mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-09-12 10:08:06 +03:00
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11206 3c298f89-4303-0410-b956-a3cf2f4a3e73
5881 lines
187 KiB
Diff
5881 lines
187 KiB
Diff
Index: linux-2.6.23.17/arch/i386/Kconfig
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===================================================================
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--- linux-2.6.23.17.orig/arch/i386/Kconfig
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+++ linux-2.6.23.17/arch/i386/Kconfig
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@@ -796,6 +796,15 @@ config SECCOMP
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If unsure, say Y. Only embedded should say N here.
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+config VGA_NOPROBE
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+ bool "Don't probe VGA at boot" if EMBEDDED
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+ default n
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+ help
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+ Saying Y here will cause the kernel to not probe VGA at boot time.
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+ This will break everything that depends on the probed screen
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+ data. Say N here unless you are absolutely sure this is what you
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+ want.
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+
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source kernel/Kconfig.hz
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config KEXEC
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@@ -1120,6 +1129,9 @@ config PCI_GODIRECT
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config PCI_GOANY
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bool "Any"
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+config PCI_GOOLPC
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+ bool "OLPC"
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+
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endchoice
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config PCI_BIOS
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@@ -1129,7 +1141,7 @@ config PCI_BIOS
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config PCI_DIRECT
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bool
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- depends on PCI && ((PCI_GODIRECT || PCI_GOANY) || X86_VISWS)
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+ depends on PCI && ((PCI_GODIRECT || PCI_GOANY || PCI_GOOLPC) || X86_VISWS)
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default y
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config PCI_MMCONFIG
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@@ -1137,6 +1149,11 @@ config PCI_MMCONFIG
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depends on PCI && ACPI && (PCI_GOMMCONFIG || PCI_GOANY)
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default y
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+config PCI_OLPC
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+ bool
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+ depends on PCI && PCI_GOOLPC
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+ default y
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+
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source "drivers/pci/pcie/Kconfig"
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source "drivers/pci/Kconfig"
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@@ -1206,10 +1223,43 @@ config SCx200HR_TIMER
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processor goes idle (as is done by the scheduler). The
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other workaround is idle=poll boot option.
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+config GEODE_MFGPT_TIMER
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+ bool "Geode Multi-Function General Purpose Timer (mfgpt) Support"
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+ depends on MGEODE_LX && GENERIC_TIME && GENERIC_CLOCKEVENTS
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+ default y
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+ help
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+ This driver provides a clock event source based on the MFGPT
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+ timer(s) in the CS5535 and CS5536 companion chip for the geode.
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+ MFGPTs have a better resolution and max interval than the
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+ generic PIT, and are suitable for use as high-res timers.
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+
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config K8_NB
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def_bool y
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depends on AGP_AMD64
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+config OLPC
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+ bool "OLPC Support"
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+ default n
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+ help
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+ Add support for detecting the unique features of the OLPC
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+ Childrens Machine
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+
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+config OLPC_PM
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+ tristate "OLPC power management support"
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+ default y
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+ depends on OLPC
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+ help
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+ Add support for the Geode power management facilities on the
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+ OLPC Childrens Machine
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+
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+config OPEN_FIRMWARE
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+ bool "Support for Open Firmware"
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+ default y if OLPC
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+ help
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+ This option adds support for the implementation of Open Firmware
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+ that is used on the OLPC Children's Machine.
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+ If unsure, say N here.
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+
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source "drivers/pcmcia/Kconfig"
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source "drivers/pci/hotplug/Kconfig"
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Index: linux-2.6.23.17/arch/i386/kernel/Makefile
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===================================================================
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--- linux-2.6.23.17.orig/arch/i386/kernel/Makefile
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+++ linux-2.6.23.17/arch/i386/kernel/Makefile
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@@ -39,13 +39,17 @@ obj-$(CONFIG_VM86) += vm86.o
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obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
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obj-$(CONFIG_HPET_TIMER) += hpet.o
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obj-$(CONFIG_K8_NB) += k8.o
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-obj-$(CONFIG_MGEODE_LX) += geode.o
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+obj-$(CONFIG_MGEODE_LX) += geode.o mfgpt.o
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obj-$(CONFIG_VMI) += vmi.o vmiclock.o
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obj-$(CONFIG_PARAVIRT) += paravirt.o
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obj-y += pcspeaker.o
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obj-$(CONFIG_SCx200) += scx200.o
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+obj-$(CONFIG_OLPC) += olpc.o
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+obj-$(CONFIG_OLPC_PM) += olpc-pm.o olpc-wakeup.o
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+obj-$(CONFIG_OPEN_FIRMWARE) += ofw.o
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+obj-$(CONFIG_PROMFS_FS) += prom.o
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# vsyscall.o contains the vsyscall DSO images as __initdata.
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# We must build both images before we can assemble it.
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Index: linux-2.6.23.17/arch/i386/kernel/geode.c
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===================================================================
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--- linux-2.6.23.17.orig/arch/i386/kernel/geode.c
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+++ linux-2.6.23.17/arch/i386/kernel/geode.c
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@@ -145,10 +145,14 @@ EXPORT_SYMBOL_GPL(geode_gpio_setup_event
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static int __init geode_southbridge_init(void)
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{
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+ int timers;
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+
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if (!is_geode())
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return -ENODEV;
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init_lbars();
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+ timers = geode_mfgpt_detect();
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+ printk(KERN_INFO "geode-mfgpt: %d timers available.\n", timers);
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return 0;
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}
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Index: linux-2.6.23.17/arch/i386/kernel/head.S
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===================================================================
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--- linux-2.6.23.17.orig/arch/i386/kernel/head.S
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+++ linux-2.6.23.17/arch/i386/kernel/head.S
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@@ -117,8 +117,34 @@ ENTRY(startup_32)
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movl $(COMMAND_LINE_SIZE/4),%ecx
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rep
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movsl
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+
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+#ifdef CONFIG_OPEN_FIRMWARE
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+/*
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+ * If Open Firmware booted us, save the OFW client interface callback address
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+ * and preserve the OFW page mappings by priming the kernel's new page
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+ * directory area with a copy of the OFW page directory. That lets OFW stay
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+ * resident in high memory (high in both the virtual and physical spaces)
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+ * for at least long enough to copy out the device tree.
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+ */
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1:
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+ movl $(boot_params - __PAGE_OFFSET + OFW_INFO_OFFSET), %ebp
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+ cmpl $0x2057464F, (%ebp) /* Magic number "OFW " */
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+ jne 1f
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+
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+ mov 0x8(%ebp), %eax /* Save callback address */
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+ mov %eax, call_firmware - __PAGE_OFFSET
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+
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+ /* Copy the OFW pdir into swapper_pg_dir */
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+ movl %esi, %edx /* save %esi */
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+ movl $(swapper_pg_dir - __PAGE_OFFSET), %edi
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+ movl %cr3, %esi /* Source is current pg_dir base address */
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+ movl $1024, %ecx /* Number of page directory entries */
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+ rep
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+ movsl
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+ movl %edx, %esi /* restore %esi */
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+#endif
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+1:
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/*
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* Initialize page tables. This creates a PDE and a set of page
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* tables, which are located immediately beyond _end. The variable
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@@ -129,6 +155,7 @@ ENTRY(startup_32)
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* Warning: don't use %esi or the stack in this code. However, %esp
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* can be used as a GPR if you really need it...
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*/
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+
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page_pde_offset = (__PAGE_OFFSET >> 20);
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movl $(pg0 - __PAGE_OFFSET), %edi
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Index: linux-2.6.23.17/arch/i386/kernel/setup.c
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===================================================================
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--- linux-2.6.23.17.orig/arch/i386/kernel/setup.c
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+++ linux-2.6.23.17/arch/i386/kernel/setup.c
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@@ -362,8 +362,10 @@ void __init zone_sizes_init(void)
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{
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unsigned long max_zone_pfns[MAX_NR_ZONES];
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memset(max_zone_pfns, 0, sizeof(max_zone_pfns));
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+#ifdef CONFIG_ZONE_DMA
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max_zone_pfns[ZONE_DMA] =
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virt_to_phys((char *)MAX_DMA_ADDRESS) >> PAGE_SHIFT;
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+#endif
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max_zone_pfns[ZONE_NORMAL] = max_low_pfn;
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#ifdef CONFIG_HIGHMEM
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max_zone_pfns[ZONE_HIGHMEM] = highend_pfn;
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@@ -428,6 +430,9 @@ void __init setup_bootmem_allocator(void
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*/
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acpi_reserve_bootmem();
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#endif
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+#ifdef CONFIG_OLPC_PM
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+ reserve_bootmem(0xf0000, PAGE_SIZE);
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+#endif
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#ifdef CONFIG_X86_FIND_SMP_CONFIG
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/*
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* Find and reserve possible boot-time SMP configuration:
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Index: linux-2.6.23.17/arch/i386/pci/Makefile
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===================================================================
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--- linux-2.6.23.17.orig/arch/i386/pci/Makefile
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+++ linux-2.6.23.17/arch/i386/pci/Makefile
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@@ -3,6 +3,7 @@ obj-y := i386.o init.o
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obj-$(CONFIG_PCI_BIOS) += pcbios.o
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obj-$(CONFIG_PCI_MMCONFIG) += mmconfig.o direct.o mmconfig-shared.o
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obj-$(CONFIG_PCI_DIRECT) += direct.o
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+obj-$(CONFIG_PCI_OLPC) += olpc.o
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pci-y := fixup.o
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pci-$(CONFIG_ACPI) += acpi.o
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Index: linux-2.6.23.17/arch/i386/pci/init.c
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===================================================================
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--- linux-2.6.23.17.orig/arch/i386/pci/init.c
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+++ linux-2.6.23.17/arch/i386/pci/init.c
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@@ -14,6 +14,9 @@ static __init int pci_access_init(void)
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#ifdef CONFIG_PCI_MMCONFIG
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pci_mmcfg_init(type);
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#endif
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+#ifdef CONFIG_PCI_OLPC
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+ pci_olpc_init();
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+#endif
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if (raw_pci_ops)
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return 0;
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#ifdef CONFIG_PCI_BIOS
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Index: linux-2.6.23.17/arch/i386/pci/pci.h
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===================================================================
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--- linux-2.6.23.17.orig/arch/i386/pci/pci.h
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+++ linux-2.6.23.17/arch/i386/pci/pci.h
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@@ -93,6 +93,7 @@ extern void pci_direct_init(int type);
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extern void pci_pcbios_init(void);
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extern void pci_mmcfg_init(int type);
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extern void pcibios_sort(void);
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+extern void pci_olpc_init(void);
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/* pci-mmconfig.c */
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Index: linux-2.6.23.17/drivers/Makefile
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===================================================================
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--- linux-2.6.23.17.orig/drivers/Makefile
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+++ linux-2.6.23.17/drivers/Makefile
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@@ -23,6 +23,8 @@ obj-y += char/
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obj-$(CONFIG_CONNECTOR) += connector/
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+obj-$(CONFIG_SYSPROF) += sysprof/
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+
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# i810fb and intelfb depend on char/agp/
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obj-$(CONFIG_FB_I810) += video/i810/
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obj-$(CONFIG_FB_INTEL) += video/intelfb/
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Index: linux-2.6.23.17/drivers/char/vt_ioctl.c
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===================================================================
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--- linux-2.6.23.17.orig/drivers/char/vt_ioctl.c
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+++ linux-2.6.23.17/drivers/char/vt_ioctl.c
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@@ -37,6 +37,9 @@
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char vt_dont_switch;
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extern struct tty_driver *console_driver;
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+/* Add a notifier chain to inform drivers of a VT_TEXT/VT_GRAPHICS switch */
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+RAW_NOTIFIER_HEAD(console_notifier_list);
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+
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#define VT_IS_IN_USE(i) (console_driver->ttys[i] && console_driver->ttys[i]->count)
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#define VT_BUSY(i) (VT_IS_IN_USE(i) || i == fg_console || vc_cons[i].d == sel_cons)
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@@ -491,6 +494,14 @@ int vt_ioctl(struct tty_struct *tty, str
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vc->vc_mode = (unsigned char) arg;
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if (console != fg_console)
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return 0;
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+
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+ /* Notify listeners if the current fg_console has switched */
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+
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+ raw_notifier_call_chain(&console_notifier_list,
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+ (arg == KD_TEXT) ?
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+ CONSOLE_EVENT_SWITCH_TEXT :
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+ CONSOLE_EVENT_SWITCH_GRAPHICS, 0);
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+
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/*
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* explicitly blank/unblank the screen if switching modes
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*/
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Index: linux-2.6.23.17/drivers/i2c/busses/scx200_acb.c
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===================================================================
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--- linux-2.6.23.17.orig/drivers/i2c/busses/scx200_acb.c
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+++ linux-2.6.23.17/drivers/i2c/busses/scx200_acb.c
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@@ -46,6 +46,10 @@ static int base[MAX_DEVICES] = { 0x820,
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module_param_array(base, int, NULL, 0);
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MODULE_PARM_DESC(base, "Base addresses for the ACCESS.bus controllers");
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+static unsigned int smbclk = 0x70;
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+module_param(smbclk, uint, 0);
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+MODULE_PARM_DESC(smbclk, "Specify the SMB_CLK value");
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+
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#define POLL_TIMEOUT (HZ/5)
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enum scx200_acb_state {
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@@ -108,6 +112,7 @@ struct scx200_acb_iface {
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#define ACBADDR (iface->base + 4)
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#define ACBCTL2 (iface->base + 5)
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#define ACBCTL2_ENABLE 0x01
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+#define ACBCTL3 (iface->base + 6)
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/************************************************************************/
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@@ -392,11 +397,13 @@ static __init int scx200_acb_probe(struc
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{
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u8 val;
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- /* Disable the ACCESS.bus device and Configure the SCL
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- frequency: 16 clock cycles */
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- outb(0x70, ACBCTL2);
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+ /* Disable the ACCESS.bus device and Configure the SCL */
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+
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+ outb((smbclk & 0x7F) << 1, ACBCTL2);
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+
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+ outb((smbclk >> 7) & 0xFF, ACBCTL3);
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- if (inb(ACBCTL2) != 0x70) {
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+ if (inb(ACBCTL2) != ((smbclk & 0x7F) << 1)) {
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pr_debug(NAME ": ACBCTL2 readback failed\n");
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return -ENXIO;
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}
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Index: linux-2.6.23.17/drivers/input/keyboard/atkbd.c
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===================================================================
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--- linux-2.6.23.17.orig/drivers/input/keyboard/atkbd.c
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+++ linux-2.6.23.17/drivers/input/keyboard/atkbd.c
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@@ -63,12 +63,25 @@ static int atkbd_extra;
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module_param_named(extra, atkbd_extra, bool, 0);
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MODULE_PARM_DESC(extra, "Enable extra LEDs and keys on IBM RapidAcces, EzKey and similar keyboards");
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+#define ATKBD_KEY_UNKNOWN 0
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+#define ATKBD_KEY_NULL 0xFF0000FF
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+
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+#define ATKBD_SCR_1 0xFF0000FE
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+#define ATKBD_SCR_2 0xFF0000FD
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+#define ATKBD_SCR_4 0xFF0000FC
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+#define ATKBD_SCR_8 0xFF0000FB
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+#define ATKBD_SCR_CLICK 0xFF0000FA
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+#define ATKBD_SCR_LEFT 0xFF0000F9
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+#define ATKBD_SCR_RIGHT 0xFF0000F8
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+
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+#define ATKBD_SPECIAL 0xFF0000F8
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+
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/*
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* Scancode to keycode tables. These are just the default setting, and
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* are loadable via an userland utility.
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*/
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|
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-static unsigned char atkbd_set2_keycode[512] = {
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+static unsigned int atkbd_set2_keycode[512] = {
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|
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#ifdef CONFIG_KEYBOARD_ATKBD_HP_KEYCODES
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|
|
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@@ -87,11 +100,17 @@ static unsigned char atkbd_set2_keycode[
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82, 83, 80, 76, 77, 72, 1, 69, 87, 78, 81, 74, 55, 73, 70, 99,
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|
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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- 217,100,255, 0, 97,165, 0, 0,156, 0, 0, 0, 0, 0, 0,125,
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+
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+ 217,100,ATKBD_KEY_NULL, 0, 97,165, 0, 0,
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+ 156, 0, 0, 0, 0, 0, 0,125,
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+
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|
173,114, 0,113, 0, 0, 0,126,128, 0, 0,140, 0, 0, 0,127,
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|
159, 0,115, 0,164, 0, 0,116,158, 0,172,166, 0, 0, 0,142,
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157, 0, 0, 0, 0, 0, 0, 0,155, 0, 98, 0, 0,163, 0, 0,
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- 226, 0, 0, 0, 0, 0, 0, 0, 0,255, 96, 0, 0, 0,143, 0,
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+
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+ 226, 0, 0, 0, 0, 0, 0, 0,
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+ 0,ATKBD_KEY_NULL, 96, 0, 0, 0,143, 0,
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+
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|
0, 0, 0, 0, 0, 0, 0, 0, 0,107, 0,105,102, 0, 0,112,
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110,111,108,112,106,103, 0,119, 0,118,109, 0, 99,104,119, 0,
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|
|
|
@@ -150,19 +169,6 @@ static unsigned char atkbd_unxlate_table
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#define ATKBD_RET_HANGEUL 0xf2
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#define ATKBD_RET_ERR 0xff
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|
|
|
-#define ATKBD_KEY_UNKNOWN 0
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|
-#define ATKBD_KEY_NULL 255
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|
-
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|
-#define ATKBD_SCR_1 254
|
|
-#define ATKBD_SCR_2 253
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|
-#define ATKBD_SCR_4 252
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|
-#define ATKBD_SCR_8 251
|
|
-#define ATKBD_SCR_CLICK 250
|
|
-#define ATKBD_SCR_LEFT 249
|
|
-#define ATKBD_SCR_RIGHT 248
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|
-
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|
-#define ATKBD_SPECIAL 248
|
|
-
|
|
#define ATKBD_LED_EVENT_BIT 0
|
|
#define ATKBD_REP_EVENT_BIT 1
|
|
|
|
@@ -174,7 +180,7 @@ static unsigned char atkbd_unxlate_table
|
|
#define ATKBD_XL_HANJA 0x20
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|
|
|
static struct {
|
|
- unsigned char keycode;
|
|
+ unsigned int keycode;
|
|
unsigned char set2;
|
|
} atkbd_scroll_keys[] = {
|
|
{ ATKBD_SCR_1, 0xc5 },
|
|
@@ -200,7 +206,7 @@ struct atkbd {
|
|
char phys[32];
|
|
|
|
unsigned short id;
|
|
- unsigned char keycode[512];
|
|
+ unsigned int keycode[512];
|
|
unsigned char set;
|
|
unsigned char translated;
|
|
unsigned char extra;
|
|
@@ -351,7 +357,7 @@ static irqreturn_t atkbd_interrupt(struc
|
|
unsigned int code = data;
|
|
int scroll = 0, hscroll = 0, click = -1, add_release_event = 0;
|
|
int value;
|
|
- unsigned char keycode;
|
|
+ unsigned int keycode;
|
|
|
|
#ifdef ATKBD_DEBUG
|
|
printk(KERN_DEBUG "atkbd.c: Received %02x flags %02x\n", data, flags);
|
|
@@ -856,9 +862,11 @@ static void atkbd_set_keycode_table(stru
|
|
atkbd->keycode[i | 0x80] = atkbd_scroll_keys[j].keycode;
|
|
}
|
|
} else if (atkbd->set == 3) {
|
|
- memcpy(atkbd->keycode, atkbd_set3_keycode, sizeof(atkbd->keycode));
|
|
+ for (i = 0; i < ARRAY_SIZE(atkbd_set3_keycode); i++)
|
|
+ atkbd->keycode[i] = atkbd_set3_keycode[i];
|
|
} else {
|
|
- memcpy(atkbd->keycode, atkbd_set2_keycode, sizeof(atkbd->keycode));
|
|
+ for (i = 0; i < ARRAY_SIZE(atkbd_set2_keycode); i++)
|
|
+ atkbd->keycode[i] = atkbd_set2_keycode[i];
|
|
|
|
if (atkbd->scroll)
|
|
for (i = 0; i < ARRAY_SIZE(atkbd_scroll_keys); i++)
|
|
@@ -925,8 +933,8 @@ static void atkbd_set_device_attrs(struc
|
|
}
|
|
|
|
input_dev->keycode = atkbd->keycode;
|
|
- input_dev->keycodesize = sizeof(unsigned char);
|
|
- input_dev->keycodemax = ARRAY_SIZE(atkbd_set2_keycode);
|
|
+ input_dev->keycodesize = sizeof(unsigned int);
|
|
+ input_dev->keycodemax = ARRAY_SIZE(atkbd->keycode);
|
|
|
|
for (i = 0; i < 512; i++)
|
|
if (atkbd->keycode[i] && atkbd->keycode[i] < ATKBD_SPECIAL)
|
|
@@ -1017,6 +1025,10 @@ static int atkbd_connect(struct serio *s
|
|
return err;
|
|
}
|
|
|
|
+#ifdef CONFIG_OLPC
|
|
+#include <asm/olpc.h>
|
|
+#endif
|
|
+
|
|
/*
|
|
* atkbd_reconnect() tries to restore keyboard into a sane state and is
|
|
* most likely called on resume.
|
|
@@ -1027,6 +1039,12 @@ static int atkbd_reconnect(struct serio
|
|
struct atkbd *atkbd = serio_get_drvdata(serio);
|
|
struct serio_driver *drv = serio->drv;
|
|
|
|
+#ifdef CONFIG_OLPC
|
|
+ if (olpc_rev_after(OLPC_REV_B2))
|
|
+ if (serio->dev.power.power_state.event != PM_EVENT_ON)
|
|
+ return 0;
|
|
+#endif
|
|
+
|
|
if (!atkbd || !drv) {
|
|
printk(KERN_DEBUG "atkbd: reconnect request, but serio is disconnected, ignoring...\n");
|
|
return -1;
|
|
Index: linux-2.6.23.17/drivers/input/mouse/Kconfig
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/drivers/input/mouse/Kconfig
|
|
+++ linux-2.6.23.17/drivers/input/mouse/Kconfig
|
|
@@ -96,6 +96,16 @@ config MOUSE_PS2_TOUCHKIT
|
|
|
|
If unsure, say N.
|
|
|
|
+config MOUSE_PS2_OLPC
|
|
+ bool "OLPC PS/2 mouse protocol extension" if EMBEDDED
|
|
+ default n
|
|
+ depends on MOUSE_PS2 && OLPC
|
|
+ ---help---
|
|
+ Say Y here if you have an OLPC PS/2 touchpad connected to
|
|
+ your system.
|
|
+
|
|
+ If unsure, say N.
|
|
+
|
|
config MOUSE_SERIAL
|
|
tristate "Serial mouse"
|
|
select SERIO
|
|
Index: linux-2.6.23.17/drivers/input/mouse/Makefile
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/drivers/input/mouse/Makefile
|
|
+++ linux-2.6.23.17/drivers/input/mouse/Makefile
|
|
@@ -24,3 +24,4 @@ psmouse-$(CONFIG_MOUSE_PS2_LOGIPS2PP) +=
|
|
psmouse-$(CONFIG_MOUSE_PS2_LIFEBOOK) += lifebook.o
|
|
psmouse-$(CONFIG_MOUSE_PS2_TRACKPOINT) += trackpoint.o
|
|
psmouse-$(CONFIG_MOUSE_PS2_TOUCHKIT) += touchkit_ps2.o
|
|
+psmouse-$(CONFIG_MOUSE_PS2_OLPC) += olpc.o
|
|
Index: linux-2.6.23.17/drivers/input/mouse/psmouse-base.c
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/drivers/input/mouse/psmouse-base.c
|
|
+++ linux-2.6.23.17/drivers/input/mouse/psmouse-base.c
|
|
@@ -26,6 +26,7 @@
|
|
#include "synaptics.h"
|
|
#include "logips2pp.h"
|
|
#include "alps.h"
|
|
+#include "olpc.h"
|
|
#include "lifebook.h"
|
|
#include "trackpoint.h"
|
|
#include "touchkit_ps2.h"
|
|
@@ -103,7 +104,7 @@ static struct attribute_group psmouse_at
|
|
*/
|
|
static DEFINE_MUTEX(psmouse_mutex);
|
|
|
|
-static struct workqueue_struct *kpsmoused_wq;
|
|
+struct workqueue_struct *kpsmoused_wq;
|
|
|
|
struct psmouse_protocol {
|
|
enum psmouse_type type;
|
|
@@ -320,7 +321,7 @@ static irqreturn_t psmouse_interrupt(str
|
|
goto out;
|
|
}
|
|
|
|
- if (psmouse->packet[1] == PSMOUSE_RET_ID) {
|
|
+ if (psmouse->packet[1] == PSMOUSE_RET_ID || psmouse->packet[1] == PSMOUSE_RET_BAT) {
|
|
__psmouse_set_state(psmouse, PSMOUSE_IGNORE);
|
|
serio_reconnect(serio);
|
|
goto out;
|
|
@@ -631,8 +632,21 @@ static int psmouse_extensions(struct psm
|
|
}
|
|
}
|
|
|
|
+/*
|
|
+ * Try OLPC touchpad.
|
|
+ */
|
|
if (max_proto > PSMOUSE_IMEX) {
|
|
+ if (olpc_detect(psmouse, set_properties) == 0) {
|
|
+ if (!set_properties || olpc_init(psmouse) == 0)
|
|
+ return PSMOUSE_OLPC;
|
|
+/*
|
|
+ * Init failed, try basic relative protocols
|
|
+ */
|
|
+ max_proto = PSMOUSE_IMEX;
|
|
+ }
|
|
+ }
|
|
|
|
+ if (max_proto > PSMOUSE_IMEX) {
|
|
if (genius_detect(psmouse, set_properties) == 0)
|
|
return PSMOUSE_GENPS;
|
|
|
|
@@ -762,6 +776,14 @@ static const struct psmouse_protocol psm
|
|
.detect = touchkit_ps2_detect,
|
|
},
|
|
#endif
|
|
+#ifdef CONFIG_MOUSE_PS2_OLPC
|
|
+ {
|
|
+ .type = PSMOUSE_OLPC,
|
|
+ .name = "OLPC",
|
|
+ .alias = "olpc",
|
|
+ .detect = olpc_detect,
|
|
+ },
|
|
+#endif
|
|
{
|
|
.type = PSMOUSE_CORTRON,
|
|
.name = "CortronPS/2",
|
|
Index: linux-2.6.23.17/drivers/input/mouse/psmouse.h
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/drivers/input/mouse/psmouse.h
|
|
+++ linux-2.6.23.17/drivers/input/mouse/psmouse.h
|
|
@@ -89,6 +89,7 @@ enum psmouse_type {
|
|
PSMOUSE_TRACKPOINT,
|
|
PSMOUSE_TOUCHKIT_PS2,
|
|
PSMOUSE_CORTRON,
|
|
+ PSMOUSE_OLPC,
|
|
PSMOUSE_AUTO /* This one should always be last */
|
|
};
|
|
|
|
@@ -96,6 +97,7 @@ int psmouse_sliced_command(struct psmous
|
|
int psmouse_reset(struct psmouse *psmouse);
|
|
void psmouse_set_resolution(struct psmouse *psmouse, unsigned int resolution);
|
|
|
|
+extern struct workqueue_struct *kpsmoused_wq;
|
|
|
|
struct psmouse_attribute {
|
|
struct device_attribute dattr;
|
|
Index: linux-2.6.23.17/drivers/input/serio/i8042.c
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/drivers/input/serio/i8042.c
|
|
+++ linux-2.6.23.17/drivers/input/serio/i8042.c
|
|
@@ -868,6 +868,11 @@ static long i8042_panic_blink(long count
|
|
#undef DELAY
|
|
|
|
#ifdef CONFIG_PM
|
|
+
|
|
+#ifdef CONFIG_OLPC
|
|
+#include <asm/olpc.h>
|
|
+#endif
|
|
+
|
|
/*
|
|
* Here we try to restore the original BIOS settings. We only want to
|
|
* do that once, when we really suspend, not when we taking memory
|
|
@@ -878,8 +883,15 @@ static long i8042_panic_blink(long count
|
|
static int i8042_suspend(struct platform_device *dev, pm_message_t state)
|
|
{
|
|
if (dev->dev.power.power_state.event != state.event) {
|
|
+#ifdef CONFIG_OLPC
|
|
+ /* Anything newer than B2 remains powered; no reset needed */
|
|
+ if (olpc_rev_before(OLPC_REV_PRE_B3)) {
|
|
+#endif
|
|
if (state.event == PM_EVENT_SUSPEND)
|
|
i8042_controller_reset();
|
|
+#ifdef CONFIG_OLPC
|
|
+ }
|
|
+#endif
|
|
|
|
dev->dev.power.power_state = state;
|
|
}
|
|
@@ -902,9 +914,15 @@ static int i8042_resume(struct platform_
|
|
if (dev->dev.power.power_state.event == PM_EVENT_ON)
|
|
return 0;
|
|
|
|
+#ifdef CONFIG_OLPC
|
|
+ if (olpc_rev_before(OLPC_REV_PRE_B3)) {
|
|
+#endif
|
|
error = i8042_controller_check();
|
|
if (error)
|
|
return error;
|
|
+#ifdef CONFIG_OLPC
|
|
+ }
|
|
+#endif
|
|
|
|
error = i8042_controller_selftest();
|
|
if (error)
|
|
Index: linux-2.6.23.17/drivers/input/serio/serio.c
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/drivers/input/serio/serio.c
|
|
+++ linux-2.6.23.17/drivers/input/serio/serio.c
|
|
@@ -916,11 +916,22 @@ static int serio_uevent(struct device *d
|
|
#endif /* CONFIG_HOTPLUG */
|
|
|
|
#ifdef CONFIG_PM
|
|
+
|
|
+#ifdef CONFIG_OLPC
|
|
+#include <asm/olpc.h>
|
|
+#endif
|
|
+
|
|
static int serio_suspend(struct device *dev, pm_message_t state)
|
|
{
|
|
if (dev->power.power_state.event != state.event) {
|
|
+#ifdef CONFIG_OLPC
|
|
+ if (olpc_rev_before(OLPC_REV_PRE_B3)) {
|
|
+#endif
|
|
if (state.event == PM_EVENT_SUSPEND)
|
|
serio_cleanup(to_serio_port(dev));
|
|
+#ifdef CONFIG_OLPC
|
|
+ }
|
|
+#endif
|
|
|
|
dev->power.power_state = state;
|
|
}
|
|
Index: linux-2.6.23.17/drivers/media/video/cafe_ccic.c
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/drivers/media/video/cafe_ccic.c
|
|
+++ linux-2.6.23.17/drivers/media/video/cafe_ccic.c
|
|
@@ -63,13 +63,13 @@ MODULE_SUPPORTED_DEVICE("Video");
|
|
*/
|
|
|
|
#define MAX_DMA_BUFS 3
|
|
-static int alloc_bufs_at_load = 0;
|
|
-module_param(alloc_bufs_at_load, bool, 0444);
|
|
-MODULE_PARM_DESC(alloc_bufs_at_load,
|
|
- "Non-zero value causes DMA buffers to be allocated at module "
|
|
- "load time. This increases the chances of successfully getting "
|
|
- "those buffers, but at the cost of nailing down the memory from "
|
|
- "the outset.");
|
|
+static int alloc_bufs_at_read = 0;
|
|
+module_param(alloc_bufs_at_read, bool, 0444);
|
|
+MODULE_PARM_DESC(alloc_bufs_at_read,
|
|
+ "Non-zero value causes DMA buffers to be allocated when the "
|
|
+ "video capture device is read, rather than at module load "
|
|
+ "time. This saves memory, but decreases the chances of "
|
|
+ "successfully getting those buffers.");
|
|
|
|
static int n_dma_bufs = 3;
|
|
module_param(n_dma_bufs, uint, 0644);
|
|
@@ -370,6 +370,10 @@ static int cafe_smbus_write_data(struct
|
|
rval = value | ((command << TWSIC1_ADDR_SHIFT) & TWSIC1_ADDR);
|
|
cafe_reg_write(cam, REG_TWSIC1, rval);
|
|
spin_unlock_irqrestore(&cam->dev_lock, flags);
|
|
+ mdelay(2); /* It'll probably take about 900µs anyway, and the
|
|
+ CAFÉ is apparently quite sensitive to being poked
|
|
+ at this point. If we can work out precisely what's
|
|
+ going on and reduce this delay, it would be nice. */
|
|
|
|
/*
|
|
* Time to wait for the write to complete. THIS IS A RACY
|
|
@@ -1503,7 +1507,7 @@ static int cafe_v4l_release(struct inode
|
|
}
|
|
if (cam->users == 0) {
|
|
cafe_ctlr_power_down(cam);
|
|
- if (! alloc_bufs_at_load)
|
|
+ if (alloc_bufs_at_read)
|
|
cafe_free_dma_bufs(cam);
|
|
}
|
|
mutex_unlock(&cam->s_mutex);
|
|
@@ -2162,7 +2166,7 @@ static int cafe_pci_probe(struct pci_dev
|
|
/*
|
|
* If so requested, try to get our DMA buffers now.
|
|
*/
|
|
- if (alloc_bufs_at_load) {
|
|
+ if (!alloc_bufs_at_read) {
|
|
if (cafe_alloc_dma_bufs(cam, 1))
|
|
cam_warn(cam, "Unable to alloc DMA buffers at load"
|
|
" will try again later.");
|
|
Index: linux-2.6.23.17/drivers/misc/Kconfig
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/drivers/misc/Kconfig
|
|
+++ linux-2.6.23.17/drivers/misc/Kconfig
|
|
@@ -202,5 +202,10 @@ config THINKPAD_ACPI_BAY
|
|
|
|
If you are not sure, say Y here.
|
|
|
|
+config EEPROM_93CX6
|
|
+ tristate "EEPROM 93CX6 support"
|
|
+ ---help---
|
|
+ This is a driver for the EEPROM chipsets 93c46 and 93c66.
|
|
+ The driver supports both read as well as write commands.
|
|
|
|
endif # MISC_DEVICES
|
|
Index: linux-2.6.23.17/drivers/mmc/host/sdhci.c
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/drivers/mmc/host/sdhci.c
|
|
+++ linux-2.6.23.17/drivers/mmc/host/sdhci.c
|
|
@@ -411,6 +411,12 @@ static void sdhci_prepare_data(struct sd
|
|
break;
|
|
}
|
|
|
|
+ /*
|
|
+ * There's an off-by-one error in the hw that we need to
|
|
+ * compensate for.
|
|
+ */
|
|
+ count++;
|
|
+
|
|
if (count >= 0xF) {
|
|
printk(KERN_WARNING "%s: Too large timeout requested!\n",
|
|
mmc_hostname(host->mmc));
|
|
@@ -676,19 +682,17 @@ static void sdhci_set_power(struct sdhci
|
|
if (!(host->chip->quirks & SDHCI_QUIRK_SINGLE_POWER_WRITE))
|
|
writeb(0, host->ioaddr + SDHCI_POWER_CONTROL);
|
|
|
|
- pwr = SDHCI_POWER_ON;
|
|
-
|
|
switch (1 << power) {
|
|
case MMC_VDD_165_195:
|
|
- pwr |= SDHCI_POWER_180;
|
|
+ pwr = SDHCI_POWER_180;
|
|
break;
|
|
case MMC_VDD_29_30:
|
|
case MMC_VDD_30_31:
|
|
- pwr |= SDHCI_POWER_300;
|
|
+ pwr = SDHCI_POWER_300;
|
|
break;
|
|
case MMC_VDD_32_33:
|
|
case MMC_VDD_33_34:
|
|
- pwr |= SDHCI_POWER_330;
|
|
+ pwr = SDHCI_POWER_330;
|
|
break;
|
|
default:
|
|
BUG();
|
|
@@ -696,6 +700,10 @@ static void sdhci_set_power(struct sdhci
|
|
|
|
writeb(pwr, host->ioaddr + SDHCI_POWER_CONTROL);
|
|
|
|
+ pwr |= SDHCI_POWER_ON;
|
|
+
|
|
+ writeb(pwr, host->ioaddr + SDHCI_POWER_CONTROL);
|
|
+
|
|
out:
|
|
host->power = power;
|
|
}
|
|
Index: linux-2.6.23.17/drivers/mtd/Kconfig
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/drivers/mtd/Kconfig
|
|
+++ linux-2.6.23.17/drivers/mtd/Kconfig
|
|
@@ -288,6 +288,14 @@ config SSFDC
|
|
This enables read only access to SmartMedia formatted NAND
|
|
flash. You can mount it with FAT file system.
|
|
|
|
+config MTD_OOPS
|
|
+ tristate "Log panic/oops to an MTD buffer"
|
|
+ depends on MTD
|
|
+ help
|
|
+ This enables panic and oops messages to be logged to a circular
|
|
+ buffer in a flash partition where it can be read back at some
|
|
+ later point.
|
|
+
|
|
source "drivers/mtd/chips/Kconfig"
|
|
|
|
source "drivers/mtd/maps/Kconfig"
|
|
Index: linux-2.6.23.17/drivers/mtd/Makefile
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/drivers/mtd/Makefile
|
|
+++ linux-2.6.23.17/drivers/mtd/Makefile
|
|
@@ -22,6 +22,7 @@ obj-$(CONFIG_NFTL) += nftl.o
|
|
obj-$(CONFIG_INFTL) += inftl.o
|
|
obj-$(CONFIG_RFD_FTL) += rfd_ftl.o
|
|
obj-$(CONFIG_SSFDC) += ssfdc.o
|
|
+obj-$(CONFIG_MTD_OOPS) += mtdoops.o
|
|
|
|
nftl-objs := nftlcore.o nftlmount.o
|
|
inftl-objs := inftlcore.o inftlmount.o
|
|
Index: linux-2.6.23.17/drivers/mtd/chips/cfi_cmdset_0001.c
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/drivers/mtd/chips/cfi_cmdset_0001.c
|
|
+++ linux-2.6.23.17/drivers/mtd/chips/cfi_cmdset_0001.c
|
|
@@ -526,7 +526,7 @@ static int cfi_intelext_partition_fixup(
|
|
struct cfi_pri_intelext *extp = cfi->cmdset_priv;
|
|
|
|
/*
|
|
- * Probing of multi-partition flash ships.
|
|
+ * Probing of multi-partition flash chips.
|
|
*
|
|
* To support multiple partitions when available, we simply arrange
|
|
* for each of them to have their own flchip structure even if they
|
|
@@ -1781,7 +1781,7 @@ static int __xipram do_erase_oneblock(st
|
|
return ret;
|
|
}
|
|
|
|
-int cfi_intelext_erase_varsize(struct mtd_info *mtd, struct erase_info *instr)
|
|
+static int cfi_intelext_erase_varsize(struct mtd_info *mtd, struct erase_info *instr)
|
|
{
|
|
unsigned long ofs, len;
|
|
int ret;
|
|
@@ -1931,7 +1931,7 @@ static int cfi_intelext_lock(struct mtd_
|
|
printk(KERN_DEBUG "%s: lock status before, ofs=0x%08llx, len=0x%08X\n",
|
|
__FUNCTION__, ofs, len);
|
|
cfi_varsize_frob(mtd, do_printlockstatus_oneblock,
|
|
- ofs, len, 0);
|
|
+ ofs, len, NULL);
|
|
#endif
|
|
|
|
ret = cfi_varsize_frob(mtd, do_xxlock_oneblock,
|
|
@@ -1941,7 +1941,7 @@ static int cfi_intelext_lock(struct mtd_
|
|
printk(KERN_DEBUG "%s: lock status after, ret=%d\n",
|
|
__FUNCTION__, ret);
|
|
cfi_varsize_frob(mtd, do_printlockstatus_oneblock,
|
|
- ofs, len, 0);
|
|
+ ofs, len, NULL);
|
|
#endif
|
|
|
|
return ret;
|
|
@@ -1955,7 +1955,7 @@ static int cfi_intelext_unlock(struct mt
|
|
printk(KERN_DEBUG "%s: lock status before, ofs=0x%08llx, len=0x%08X\n",
|
|
__FUNCTION__, ofs, len);
|
|
cfi_varsize_frob(mtd, do_printlockstatus_oneblock,
|
|
- ofs, len, 0);
|
|
+ ofs, len, NULL);
|
|
#endif
|
|
|
|
ret = cfi_varsize_frob(mtd, do_xxlock_oneblock,
|
|
@@ -1965,7 +1965,7 @@ static int cfi_intelext_unlock(struct mt
|
|
printk(KERN_DEBUG "%s: lock status after, ret=%d\n",
|
|
__FUNCTION__, ret);
|
|
cfi_varsize_frob(mtd, do_printlockstatus_oneblock,
|
|
- ofs, len, 0);
|
|
+ ofs, len, NULL);
|
|
#endif
|
|
|
|
return ret;
|
|
@@ -2256,7 +2256,7 @@ static void cfi_intelext_save_locks(stru
|
|
adr = region->offset + block * len;
|
|
|
|
status = cfi_varsize_frob(mtd,
|
|
- do_getlockstatus_oneblock, adr, len, 0);
|
|
+ do_getlockstatus_oneblock, adr, len, NULL);
|
|
if (status)
|
|
set_bit(block, region->lockmap);
|
|
else
|
|
Index: linux-2.6.23.17/drivers/mtd/chips/cfi_cmdset_0002.c
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/drivers/mtd/chips/cfi_cmdset_0002.c
|
|
+++ linux-2.6.23.17/drivers/mtd/chips/cfi_cmdset_0002.c
|
|
@@ -1617,7 +1617,7 @@ static int __xipram do_erase_oneblock(st
|
|
}
|
|
|
|
|
|
-int cfi_amdstd_erase_varsize(struct mtd_info *mtd, struct erase_info *instr)
|
|
+static int cfi_amdstd_erase_varsize(struct mtd_info *mtd, struct erase_info *instr)
|
|
{
|
|
unsigned long ofs, len;
|
|
int ret;
|
|
Index: linux-2.6.23.17/drivers/mtd/chips/jedec_probe.c
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/drivers/mtd/chips/jedec_probe.c
|
|
+++ linux-2.6.23.17/drivers/mtd/chips/jedec_probe.c
|
|
@@ -70,6 +70,7 @@
|
|
|
|
/* Fujitsu */
|
|
#define MBM29F040C 0x00A4
|
|
+#define MBM29F800BA 0x2258
|
|
#define MBM29LV650UE 0x22D7
|
|
#define MBM29LV320TE 0x22F6
|
|
#define MBM29LV320BE 0x22F9
|
|
@@ -129,6 +130,7 @@
|
|
#define LH28F640BF 0x00b0
|
|
|
|
/* ST - www.st.com */
|
|
+#define M29F800AB 0x0058
|
|
#define M29W800DT 0x00D7
|
|
#define M29W800DB 0x005B
|
|
#define M29W160DT 0x22C4
|
|
@@ -646,6 +648,23 @@ static const struct amd_flash_info jedec
|
|
}
|
|
}, {
|
|
.mfr_id = MANUFACTURER_FUJITSU,
|
|
+ .dev_id = MBM29F800BA,
|
|
+ .name = "Fujitsu MBM29F800BA",
|
|
+ .uaddr = {
|
|
+ [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
|
|
+ [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
|
|
+ },
|
|
+ .DevSize = SIZE_1MiB,
|
|
+ .CmdSet = P_ID_AMD_STD,
|
|
+ .NumEraseRegions= 4,
|
|
+ .regions = {
|
|
+ ERASEINFO(0x04000,1),
|
|
+ ERASEINFO(0x02000,2),
|
|
+ ERASEINFO(0x08000,1),
|
|
+ ERASEINFO(0x10000,15),
|
|
+ }
|
|
+ }, {
|
|
+ .mfr_id = MANUFACTURER_FUJITSU,
|
|
.dev_id = MBM29LV650UE,
|
|
.name = "Fujitsu MBM29LV650UE",
|
|
.uaddr = {
|
|
@@ -1510,6 +1529,23 @@ static const struct amd_flash_info jedec
|
|
ERASEINFO(0x1000,256)
|
|
}
|
|
|
|
+ }, {
|
|
+ .mfr_id = MANUFACTURER_ST,
|
|
+ .dev_id = M29F800AB,
|
|
+ .name = "ST M29F800AB",
|
|
+ .uaddr = {
|
|
+ [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
|
|
+ [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
|
|
+ },
|
|
+ .DevSize = SIZE_1MiB,
|
|
+ .CmdSet = P_ID_AMD_STD,
|
|
+ .NumEraseRegions= 4,
|
|
+ .regions = {
|
|
+ ERASEINFO(0x04000,1),
|
|
+ ERASEINFO(0x02000,2),
|
|
+ ERASEINFO(0x08000,1),
|
|
+ ERASEINFO(0x10000,15),
|
|
+ }
|
|
}, {
|
|
.mfr_id = MANUFACTURER_ST, /* FIXME - CFI device? */
|
|
.dev_id = M29W800DT,
|
|
Index: linux-2.6.23.17/drivers/mtd/devices/Kconfig
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/drivers/mtd/devices/Kconfig
|
|
+++ linux-2.6.23.17/drivers/mtd/devices/Kconfig
|
|
@@ -69,12 +69,21 @@ config MTD_DATAFLASH26
|
|
If you have such a board and such a DataFlash, say 'Y'.
|
|
|
|
config MTD_M25P80
|
|
- tristate "Support for M25 SPI Flash"
|
|
+ tristate "Support most SPI Flash chips (AT26DF, M25P, W25X, ...)"
|
|
depends on SPI_MASTER && EXPERIMENTAL
|
|
help
|
|
- This enables access to ST M25P80 and similar SPI flash chips,
|
|
- used for program and data storage. Set up your spi devices
|
|
- with the right board-specific platform data.
|
|
+ This enables access to most modern SPI flash chips, used for
|
|
+ program and data storage. Series supported include Atmel AT26DF,
|
|
+ Spansion S25SL, SST 25VF, ST M25P, and Winbond W25X. Other chips
|
|
+ are supported as well. See the driver source for the current list,
|
|
+ or to add other chips.
|
|
+
|
|
+ Note that the original DataFlash chips (AT45 series, not AT26DF),
|
|
+ need an entirely different driver.
|
|
+
|
|
+ Set up your spi devices with the right board-specific platform data,
|
|
+ if you want to specify device partitioning or to use a device which
|
|
+ doesn't support the JEDEC ID instruction.
|
|
|
|
config MTD_SLRAM
|
|
tristate "Uncached system RAM"
|
|
Index: linux-2.6.23.17/drivers/mtd/devices/m25p80.c
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/drivers/mtd/devices/m25p80.c
|
|
+++ linux-2.6.23.17/drivers/mtd/devices/m25p80.c
|
|
@@ -1,5 +1,5 @@
|
|
/*
|
|
- * MTD SPI driver for ST M25Pxx flash chips
|
|
+ * MTD SPI driver for ST M25Pxx (and similar) serial flash chips
|
|
*
|
|
* Author: Mike Lavender, mike@steroidmicros.com
|
|
*
|
|
@@ -19,33 +19,32 @@
|
|
#include <linux/module.h>
|
|
#include <linux/device.h>
|
|
#include <linux/interrupt.h>
|
|
-#include <linux/interrupt.h>
|
|
+#include <linux/mutex.h>
|
|
+
|
|
#include <linux/mtd/mtd.h>
|
|
#include <linux/mtd/partitions.h>
|
|
+
|
|
#include <linux/spi/spi.h>
|
|
#include <linux/spi/flash.h>
|
|
|
|
-#include <asm/semaphore.h>
|
|
-
|
|
-
|
|
-/* NOTE: AT 25F and SST 25LF series are very similar,
|
|
- * but commands for sector erase and chip id differ...
|
|
- */
|
|
|
|
#define FLASH_PAGESIZE 256
|
|
|
|
/* Flash opcodes. */
|
|
-#define OPCODE_WREN 6 /* Write enable */
|
|
-#define OPCODE_RDSR 5 /* Read status register */
|
|
-#define OPCODE_READ 3 /* Read data bytes */
|
|
-#define OPCODE_PP 2 /* Page program */
|
|
-#define OPCODE_SE 0xd8 /* Sector erase */
|
|
-#define OPCODE_RES 0xab /* Read Electronic Signature */
|
|
+#define OPCODE_WREN 0x06 /* Write enable */
|
|
+#define OPCODE_RDSR 0x05 /* Read status register */
|
|
+#define OPCODE_READ 0x03 /* Read data bytes (low frequency) */
|
|
+#define OPCODE_FAST_READ 0x0b /* Read data bytes (high frequency) */
|
|
+#define OPCODE_PP 0x02 /* Page program (up to 256 bytes) */
|
|
+#define OPCODE_BE_4K 0x20 /* Erase 4KiB block */
|
|
+#define OPCODE_BE_32K 0x52 /* Erase 32KiB block */
|
|
+#define OPCODE_SE 0xd8 /* Sector erase (usually 64KiB) */
|
|
#define OPCODE_RDID 0x9f /* Read JEDEC ID */
|
|
|
|
/* Status Register bits. */
|
|
#define SR_WIP 1 /* Write in progress */
|
|
#define SR_WEL 2 /* Write enable latch */
|
|
+/* meaning of other SR_* bits may differ between vendors */
|
|
#define SR_BP0 4 /* Block protect 0 */
|
|
#define SR_BP1 8 /* Block protect 1 */
|
|
#define SR_BP2 0x10 /* Block protect 2 */
|
|
@@ -65,9 +64,10 @@
|
|
|
|
struct m25p {
|
|
struct spi_device *spi;
|
|
- struct semaphore lock;
|
|
+ struct mutex lock;
|
|
struct mtd_info mtd;
|
|
- unsigned partitioned;
|
|
+ unsigned partitioned:1;
|
|
+ u8 erase_opcode;
|
|
u8 command[4];
|
|
};
|
|
|
|
@@ -150,8 +150,9 @@ static int wait_till_ready(struct m25p *
|
|
*/
|
|
static int erase_sector(struct m25p *flash, u32 offset)
|
|
{
|
|
- DEBUG(MTD_DEBUG_LEVEL3, "%s: %s at 0x%08x\n", flash->spi->dev.bus_id,
|
|
- __FUNCTION__, offset);
|
|
+ DEBUG(MTD_DEBUG_LEVEL3, "%s: %s %dKiB at 0x%08x\n",
|
|
+ flash->spi->dev.bus_id, __FUNCTION__,
|
|
+ flash->mtd.erasesize / 1024, offset);
|
|
|
|
/* Wait until finished previous write command. */
|
|
if (wait_till_ready(flash))
|
|
@@ -161,7 +162,7 @@ static int erase_sector(struct m25p *fla
|
|
write_enable(flash);
|
|
|
|
/* Set up command buffer. */
|
|
- flash->command[0] = OPCODE_SE;
|
|
+ flash->command[0] = flash->erase_opcode;
|
|
flash->command[1] = offset >> 16;
|
|
flash->command[2] = offset >> 8;
|
|
flash->command[3] = offset;
|
|
@@ -201,13 +202,17 @@ static int m25p80_erase(struct mtd_info
|
|
addr = instr->addr;
|
|
len = instr->len;
|
|
|
|
- down(&flash->lock);
|
|
+ mutex_lock(&flash->lock);
|
|
+
|
|
+ /* REVISIT in some cases we could speed up erasing large regions
|
|
+ * by using OPCODE_SE instead of OPCODE_BE_4K
|
|
+ */
|
|
|
|
/* now erase those sectors */
|
|
while (len) {
|
|
if (erase_sector(flash, addr)) {
|
|
instr->state = MTD_ERASE_FAILED;
|
|
- up(&flash->lock);
|
|
+ mutex_unlock(&flash->lock);
|
|
return -EIO;
|
|
}
|
|
|
|
@@ -215,7 +220,7 @@ static int m25p80_erase(struct mtd_info
|
|
len -= mtd->erasesize;
|
|
}
|
|
|
|
- up(&flash->lock);
|
|
+ mutex_unlock(&flash->lock);
|
|
|
|
instr->state = MTD_ERASE_DONE;
|
|
mtd_erase_callback(instr);
|
|
@@ -260,16 +265,19 @@ static int m25p80_read(struct mtd_info *
|
|
if (retlen)
|
|
*retlen = 0;
|
|
|
|
- down(&flash->lock);
|
|
+ mutex_lock(&flash->lock);
|
|
|
|
/* Wait till previous write/erase is done. */
|
|
if (wait_till_ready(flash)) {
|
|
/* REVISIT status return?? */
|
|
- up(&flash->lock);
|
|
+ mutex_unlock(&flash->lock);
|
|
return 1;
|
|
}
|
|
|
|
- /* NOTE: OPCODE_FAST_READ (if available) is faster... */
|
|
+ /* FIXME switch to OPCODE_FAST_READ. It's required for higher
|
|
+ * clocks; and at this writing, every chip this driver handles
|
|
+ * supports that opcode.
|
|
+ */
|
|
|
|
/* Set up the write data buffer. */
|
|
flash->command[0] = OPCODE_READ;
|
|
@@ -281,7 +289,7 @@ static int m25p80_read(struct mtd_info *
|
|
|
|
*retlen = m.actual_length - sizeof(flash->command);
|
|
|
|
- up(&flash->lock);
|
|
+ mutex_unlock(&flash->lock);
|
|
|
|
return 0;
|
|
}
|
|
@@ -323,7 +331,7 @@ static int m25p80_write(struct mtd_info
|
|
t[1].tx_buf = buf;
|
|
spi_message_add_tail(&t[1], &m);
|
|
|
|
- down(&flash->lock);
|
|
+ mutex_lock(&flash->lock);
|
|
|
|
/* Wait until finished previous write command. */
|
|
if (wait_till_ready(flash))
|
|
@@ -381,10 +389,10 @@ static int m25p80_write(struct mtd_info
|
|
if (retlen)
|
|
*retlen += m.actual_length
|
|
- sizeof(flash->command);
|
|
- }
|
|
- }
|
|
+ }
|
|
+ }
|
|
|
|
- up(&flash->lock);
|
|
+ mutex_unlock(&flash->lock);
|
|
|
|
return 0;
|
|
}
|
|
@@ -398,24 +406,118 @@ static int m25p80_write(struct mtd_info
|
|
|
|
struct flash_info {
|
|
char *name;
|
|
- u8 id;
|
|
- u16 jedec_id;
|
|
+
|
|
+ /* JEDEC id zero means "no ID" (most older chips); otherwise it has
|
|
+ * a high byte of zero plus three data bytes: the manufacturer id,
|
|
+ * then a two byte device id.
|
|
+ */
|
|
+ u32 jedec_id;
|
|
+
|
|
+ /* The size listed here is what works with OPCODE_SE, which isn't
|
|
+ * necessarily called a "sector" by the vendor.
|
|
+ */
|
|
unsigned sector_size;
|
|
- unsigned n_sectors;
|
|
+ u16 n_sectors;
|
|
+
|
|
+ u16 flags;
|
|
+#define SECT_4K 0x01 /* OPCODE_BE_4K works uniformly */
|
|
};
|
|
|
|
+
|
|
+/* NOTE: double check command sets and memory organization when you add
|
|
+ * more flash chips. This current list focusses on newer chips, which
|
|
+ * have been converging on command sets which including JEDEC ID.
|
|
+ */
|
|
static struct flash_info __devinitdata m25p_data [] = {
|
|
- /* REVISIT: fill in JEDEC ids, for parts that have them */
|
|
- { "m25p05", 0x05, 0x2010, 32 * 1024, 2 },
|
|
- { "m25p10", 0x10, 0x2011, 32 * 1024, 4 },
|
|
- { "m25p20", 0x11, 0x2012, 64 * 1024, 4 },
|
|
- { "m25p40", 0x12, 0x2013, 64 * 1024, 8 },
|
|
- { "m25p80", 0x13, 0x0000, 64 * 1024, 16 },
|
|
- { "m25p16", 0x14, 0x2015, 64 * 1024, 32 },
|
|
- { "m25p32", 0x15, 0x2016, 64 * 1024, 64 },
|
|
- { "m25p64", 0x16, 0x2017, 64 * 1024, 128 },
|
|
+
|
|
+ /* Atmel -- some are (confusingly) marketed as "DataFlash" */
|
|
+ { "at25fs010", 0x1f6601, 32 * 1024, 4, SECT_4K, },
|
|
+ { "at25fs040", 0x1f6604, 64 * 1024, 8, SECT_4K, },
|
|
+
|
|
+ { "at25df041a", 0x1f4401, 64 * 1024, 8, SECT_4K, },
|
|
+
|
|
+ { "at26f004", 0x1f0400, 64 * 1024, 8, SECT_4K, },
|
|
+ { "at26df081a", 0x1f4501, 64 * 1024, 16, SECT_4K, },
|
|
+ { "at26df161a", 0x1f4601, 64 * 1024, 32, SECT_4K, },
|
|
+ { "at26df321", 0x1f4701, 64 * 1024, 64, SECT_4K, },
|
|
+
|
|
+ /* Spansion -- single (large) sector size only, at least
|
|
+ * for the chips listed here (without boot sectors).
|
|
+ */
|
|
+ { "s25sl004a", 0x010212, 64 * 1024, 8, },
|
|
+ { "s25sl008a", 0x010213, 64 * 1024, 16, },
|
|
+ { "s25sl016a", 0x010214, 64 * 1024, 32, },
|
|
+ { "s25sl032a", 0x010215, 64 * 1024, 64, },
|
|
+ { "s25sl064a", 0x010216, 64 * 1024, 128, },
|
|
+
|
|
+ /* SST -- large erase sizes are "overlays", "sectors" are 4K */
|
|
+ { "sst25vf040b", 0xbf258d, 64 * 1024, 8, SECT_4K, },
|
|
+ { "sst25vf080b", 0xbf258e, 64 * 1024, 16, SECT_4K, },
|
|
+ { "sst25vf016b", 0xbf2541, 64 * 1024, 32, SECT_4K, },
|
|
+ { "sst25vf032b", 0xbf254a, 64 * 1024, 64, SECT_4K, },
|
|
+
|
|
+ /* ST Microelectronics -- newer production may have feature updates */
|
|
+ { "m25p05", 0x202010, 32 * 1024, 2, },
|
|
+ { "m25p10", 0x202011, 32 * 1024, 4, },
|
|
+ { "m25p20", 0x202012, 64 * 1024, 4, },
|
|
+ { "m25p40", 0x202013, 64 * 1024, 8, },
|
|
+ { "m25p80", 0, 64 * 1024, 16, },
|
|
+ { "m25p16", 0x202015, 64 * 1024, 32, },
|
|
+ { "m25p32", 0x202016, 64 * 1024, 64, },
|
|
+ { "m25p64", 0x202017, 64 * 1024, 128, },
|
|
+ { "m25p128", 0x202018, 256 * 1024, 64, },
|
|
+
|
|
+ { "m45pe80", 0x204014, 64 * 1024, 16, },
|
|
+ { "m45pe16", 0x204015, 64 * 1024, 32, },
|
|
+
|
|
+ { "m25pe80", 0x208014, 64 * 1024, 16, },
|
|
+ { "m25pe16", 0x208015, 64 * 1024, 32, SECT_4K, },
|
|
+
|
|
+ /* Winbond -- w25x "blocks" are 64K, "sectors" are 4KiB */
|
|
+ { "w25x10", 0xef3011, 64 * 1024, 2, SECT_4K, },
|
|
+ { "w25x20", 0xef3012, 64 * 1024, 4, SECT_4K, },
|
|
+ { "w25x40", 0xef3013, 64 * 1024, 8, SECT_4K, },
|
|
+ { "w25x80", 0xef3014, 64 * 1024, 16, SECT_4K, },
|
|
+ { "w25x16", 0xef3015, 64 * 1024, 32, SECT_4K, },
|
|
+ { "w25x32", 0xef3016, 64 * 1024, 64, SECT_4K, },
|
|
+ { "w25x64", 0xef3017, 64 * 1024, 128, SECT_4K, },
|
|
};
|
|
|
|
+static struct flash_info *__devinit jedec_probe(struct spi_device *spi)
|
|
+{
|
|
+ int tmp;
|
|
+ u8 code = OPCODE_RDID;
|
|
+ u8 id[3];
|
|
+ u32 jedec;
|
|
+ struct flash_info *info;
|
|
+
|
|
+ /* JEDEC also defines an optional "extended device information"
|
|
+ * string for after vendor-specific data, after the three bytes
|
|
+ * we use here. Supporting some chips might require using it.
|
|
+ */
|
|
+ tmp = spi_write_then_read(spi, &code, 1, id, 3);
|
|
+ if (tmp < 0) {
|
|
+ DEBUG(MTD_DEBUG_LEVEL0, "%s: error %d reading JEDEC ID\n",
|
|
+ spi->dev.bus_id, tmp);
|
|
+ return NULL;
|
|
+ }
|
|
+ jedec = id[0];
|
|
+ jedec = jedec << 8;
|
|
+ jedec |= id[1];
|
|
+ jedec = jedec << 8;
|
|
+ jedec |= id[2];
|
|
+
|
|
+ for (tmp = 0, info = m25p_data;
|
|
+ tmp < ARRAY_SIZE(m25p_data);
|
|
+ tmp++, info++) {
|
|
+ if (info->jedec_id == jedec)
|
|
+ return info;
|
|
+ }
|
|
+ dev_err(&spi->dev, "unrecognized JEDEC id %06x\n", jedec);
|
|
+ return NULL;
|
|
+}
|
|
+
|
|
+
|
|
/*
|
|
* board specific setup should have ensured the SPI clock used here
|
|
* matches what the READ command supports, at least until this driver
|
|
@@ -429,37 +531,51 @@ static int __devinit m25p_probe(struct s
|
|
unsigned i;
|
|
|
|
/* Platform data helps sort out which chip type we have, as
|
|
- * well as how this board partitions it.
|
|
+ * well as how this board partitions it. If we don't have
|
|
+ * a chip ID, try the JEDEC id commands; they'll work for most
|
|
+ * newer chips, even if we don't recognize the particular chip.
|
|
*/
|
|
data = spi->dev.platform_data;
|
|
- if (!data || !data->type) {
|
|
- /* FIXME some chips can identify themselves with RES
|
|
- * or JEDEC get-id commands. Try them ...
|
|
- */
|
|
- DEBUG(MTD_DEBUG_LEVEL1, "%s: no chip id\n",
|
|
- spi->dev.bus_id);
|
|
- return -ENODEV;
|
|
- }
|
|
+ if (data && data->type) {
|
|
+ for (i = 0, info = m25p_data;
|
|
+ i < ARRAY_SIZE(m25p_data);
|
|
+ i++, info++) {
|
|
+ if (strcmp(data->type, info->name) == 0)
|
|
+ break;
|
|
+ }
|
|
|
|
- for (i = 0, info = m25p_data; i < ARRAY_SIZE(m25p_data); i++, info++) {
|
|
- if (strcmp(data->type, info->name) == 0)
|
|
- break;
|
|
- }
|
|
- if (i == ARRAY_SIZE(m25p_data)) {
|
|
- DEBUG(MTD_DEBUG_LEVEL1, "%s: unrecognized id %s\n",
|
|
- spi->dev.bus_id, data->type);
|
|
+ /* unrecognized chip? */
|
|
+ if (i == ARRAY_SIZE(m25p_data)) {
|
|
+ DEBUG(MTD_DEBUG_LEVEL0, "%s: unrecognized id %s\n",
|
|
+ spi->dev.bus_id, data->type);
|
|
+ info = NULL;
|
|
+
|
|
+ /* recognized; is that chip really what's there? */
|
|
+ } else if (info->jedec_id) {
|
|
+ struct flash_info *chip = jedec_probe(spi);
|
|
+
|
|
+ if (!chip || chip != info) {
|
|
+ dev_warn(&spi->dev, "found %s, expected %s\n",
|
|
+ chip ? chip->name : "UNKNOWN",
|
|
+ info->name);
|
|
+ info = NULL;
|
|
+ }
|
|
+ }
|
|
+ } else
|
|
+ info = jedec_probe(spi);
|
|
+
|
|
+ if (!info)
|
|
return -ENODEV;
|
|
- }
|
|
|
|
flash = kzalloc(sizeof *flash, GFP_KERNEL);
|
|
if (!flash)
|
|
return -ENOMEM;
|
|
|
|
flash->spi = spi;
|
|
- init_MUTEX(&flash->lock);
|
|
+ mutex_init(&flash->lock);
|
|
dev_set_drvdata(&spi->dev, flash);
|
|
|
|
- if (data->name)
|
|
+ if (data && data->name)
|
|
flash->mtd.name = data->name;
|
|
else
|
|
flash->mtd.name = spi->dev.bus_id;
|
|
@@ -468,17 +584,25 @@ static int __devinit m25p_probe(struct s
|
|
flash->mtd.writesize = 1;
|
|
flash->mtd.flags = MTD_CAP_NORFLASH;
|
|
flash->mtd.size = info->sector_size * info->n_sectors;
|
|
- flash->mtd.erasesize = info->sector_size;
|
|
flash->mtd.erase = m25p80_erase;
|
|
flash->mtd.read = m25p80_read;
|
|
flash->mtd.write = m25p80_write;
|
|
|
|
+ /* prefer "small sector" erase if possible */
|
|
+ if (info->flags & SECT_4K) {
|
|
+ flash->erase_opcode = OPCODE_BE_4K;
|
|
+ flash->mtd.erasesize = 4096;
|
|
+ } else {
|
|
+ flash->erase_opcode = OPCODE_SE;
|
|
+ flash->mtd.erasesize = info->sector_size;
|
|
+ }
|
|
+
|
|
dev_info(&spi->dev, "%s (%d Kbytes)\n", info->name,
|
|
flash->mtd.size / 1024);
|
|
|
|
DEBUG(MTD_DEBUG_LEVEL2,
|
|
- "mtd .name = %s, .size = 0x%.8x (%uM) "
|
|
- ".erasesize = 0x%.8x (%uK) .numeraseregions = %d\n",
|
|
+ "mtd .name = %s, .size = 0x%.8x (%uMiB) "
|
|
+ ".erasesize = 0x%.8x (%uKiB) .numeraseregions = %d\n",
|
|
flash->mtd.name,
|
|
flash->mtd.size, flash->mtd.size / (1024*1024),
|
|
flash->mtd.erasesize, flash->mtd.erasesize / 1024,
|
|
@@ -488,7 +612,7 @@ static int __devinit m25p_probe(struct s
|
|
for (i = 0; i < flash->mtd.numeraseregions; i++)
|
|
DEBUG(MTD_DEBUG_LEVEL2,
|
|
"mtd.eraseregions[%d] = { .offset = 0x%.8x, "
|
|
- ".erasesize = 0x%.8x (%uK), "
|
|
+ ".erasesize = 0x%.8x (%uKiB), "
|
|
".numblocks = %d }\n",
|
|
i, flash->mtd.eraseregions[i].offset,
|
|
flash->mtd.eraseregions[i].erasesize,
|
|
@@ -516,14 +640,14 @@ static int __devinit m25p_probe(struct s
|
|
}
|
|
|
|
if (nr_parts > 0) {
|
|
- for (i = 0; i < data->nr_parts; i++) {
|
|
+ for (i = 0; i < nr_parts; i++) {
|
|
DEBUG(MTD_DEBUG_LEVEL2, "partitions[%d] = "
|
|
"{.name = %s, .offset = 0x%.8x, "
|
|
- ".size = 0x%.8x (%uK) }\n",
|
|
- i, data->parts[i].name,
|
|
- data->parts[i].offset,
|
|
- data->parts[i].size,
|
|
- data->parts[i].size / 1024);
|
|
+ ".size = 0x%.8x (%uKiB) }\n",
|
|
+ i, parts[i].name,
|
|
+ parts[i].offset,
|
|
+ parts[i].size,
|
|
+ parts[i].size / 1024);
|
|
}
|
|
flash->partitioned = 1;
|
|
return add_mtd_partitions(&flash->mtd, parts, nr_parts);
|
|
@@ -560,6 +684,11 @@ static struct spi_driver m25p80_driver =
|
|
},
|
|
.probe = m25p_probe,
|
|
.remove = __devexit_p(m25p_remove),
|
|
+
|
|
+ /* REVISIT: many of these chips have deep power-down modes, which
|
|
+ * should clearly be entered on suspend() to minimize power use.
|
|
+ * And also when they're otherwise idle...
|
|
+ */
|
|
};
|
|
|
|
|
|
Index: linux-2.6.23.17/drivers/mtd/devices/mtd_dataflash.c
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/drivers/mtd/devices/mtd_dataflash.c
|
|
+++ linux-2.6.23.17/drivers/mtd/devices/mtd_dataflash.c
|
|
@@ -14,6 +14,7 @@
|
|
#include <linux/slab.h>
|
|
#include <linux/delay.h>
|
|
#include <linux/device.h>
|
|
+#include <linux/mutex.h>
|
|
#include <linux/spi/spi.h>
|
|
#include <linux/spi/flash.h>
|
|
|
|
@@ -89,7 +90,7 @@ struct dataflash {
|
|
unsigned short page_offset; /* offset in flash address */
|
|
unsigned int page_size; /* of bytes per page */
|
|
|
|
- struct semaphore lock;
|
|
+ struct mutex lock;
|
|
struct spi_device *spi;
|
|
|
|
struct mtd_info mtd;
|
|
@@ -167,7 +168,7 @@ static int dataflash_erase(struct mtd_in
|
|
x.len = 4;
|
|
spi_message_add_tail(&x, &msg);
|
|
|
|
- down(&priv->lock);
|
|
+ mutex_lock(&priv->lock);
|
|
while (instr->len > 0) {
|
|
unsigned int pageaddr;
|
|
int status;
|
|
@@ -210,7 +211,7 @@ static int dataflash_erase(struct mtd_in
|
|
instr->len -= priv->page_size;
|
|
}
|
|
}
|
|
- up(&priv->lock);
|
|
+ mutex_unlock(&priv->lock);
|
|
|
|
/* Inform MTD subsystem that erase is complete */
|
|
instr->state = MTD_ERASE_DONE;
|
|
@@ -266,7 +267,7 @@ static int dataflash_read(struct mtd_inf
|
|
x[1].len = len;
|
|
spi_message_add_tail(&x[1], &msg);
|
|
|
|
- down(&priv->lock);
|
|
+ mutex_lock(&priv->lock);
|
|
|
|
/* Continuous read, max clock = f(car) which may be less than
|
|
* the peak rate available. Some chips support commands with
|
|
@@ -279,7 +280,7 @@ static int dataflash_read(struct mtd_inf
|
|
/* plus 4 "don't care" bytes */
|
|
|
|
status = spi_sync(priv->spi, &msg);
|
|
- up(&priv->lock);
|
|
+ mutex_unlock(&priv->lock);
|
|
|
|
if (status >= 0) {
|
|
*retlen = msg.actual_length - 8;
|
|
@@ -336,7 +337,7 @@ static int dataflash_write(struct mtd_in
|
|
else
|
|
writelen = len;
|
|
|
|
- down(&priv->lock);
|
|
+ mutex_lock(&priv->lock);
|
|
while (remaining > 0) {
|
|
DEBUG(MTD_DEBUG_LEVEL3, "write @ %i:%i len=%i\n",
|
|
pageaddr, offset, writelen);
|
|
@@ -441,7 +442,7 @@ static int dataflash_write(struct mtd_in
|
|
else
|
|
writelen = remaining;
|
|
}
|
|
- up(&priv->lock);
|
|
+ mutex_unlock(&priv->lock);
|
|
|
|
return status;
|
|
}
|
|
@@ -463,7 +464,7 @@ add_dataflash(struct spi_device *spi, ch
|
|
if (!priv)
|
|
return -ENOMEM;
|
|
|
|
- init_MUTEX(&priv->lock);
|
|
+ mutex_init(&priv->lock);
|
|
priv->spi = spi;
|
|
priv->page_size = pagesize;
|
|
priv->page_offset = pageoffset;
|
|
Index: linux-2.6.23.17/drivers/mtd/devices/pmc551.c
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/drivers/mtd/devices/pmc551.c
|
|
+++ linux-2.6.23.17/drivers/mtd/devices/pmc551.c
|
|
@@ -30,8 +30,8 @@
|
|
*
|
|
* Notes:
|
|
* Due to what I assume is more buggy SROM, the 64M PMC551 I
|
|
- * have available claims that all 4 of it's DRAM banks have 64M
|
|
- * of ram configured (making a grand total of 256M onboard).
|
|
+ * have available claims that all 4 of its DRAM banks have 64MiB
|
|
+ * of ram configured (making a grand total of 256MiB onboard).
|
|
* This is slightly annoying since the BAR0 size reflects the
|
|
* aperture size, not the dram size, and the V370PDC supplies no
|
|
* other method for memory size discovery. This problem is
|
|
@@ -70,7 +70,7 @@
|
|
* made the memory unusable, added a fix to code to touch up
|
|
* the DRAM some.
|
|
*
|
|
- * Bugs/FIXME's:
|
|
+ * Bugs/FIXMEs:
|
|
* * MUST fix the init function to not spin on a register
|
|
* waiting for it to set .. this does not safely handle busted
|
|
* devices that never reset the register correctly which will
|
|
@@ -562,10 +562,10 @@ static u32 fixup_pmc551(struct pci_dev *
|
|
/*
|
|
* Some screen fun
|
|
*/
|
|
- printk(KERN_DEBUG "pmc551: %d%c (0x%x) of %sprefetchable memory at "
|
|
+ printk(KERN_DEBUG "pmc551: %d%sB (0x%x) of %sprefetchable memory at "
|
|
"0x%llx\n", (size < 1024) ? size : (size < 1048576) ?
|
|
size >> 10 : size >> 20,
|
|
- (size < 1024) ? 'B' : (size < 1048576) ? 'K' : 'M', size,
|
|
+ (size < 1024) ? "" : (size < 1048576) ? "Ki" : "Mi", size,
|
|
((dcmd & (0x1 << 3)) == 0) ? "non-" : "",
|
|
(unsigned long long)pci_resource_start(dev, 0));
|
|
|
|
@@ -649,14 +649,10 @@ MODULE_DESCRIPTION(PMC551_VERSION);
|
|
* Stuff these outside the ifdef so as to not bust compiled in driver support
|
|
*/
|
|
static int msize = 0;
|
|
-#if defined(CONFIG_MTD_PMC551_APERTURE_SIZE)
|
|
-static int asize = CONFIG_MTD_PMC551_APERTURE_SIZE;
|
|
-#else
|
|
static int asize = 0;
|
|
-#endif
|
|
|
|
module_param(msize, int, 0);
|
|
-MODULE_PARM_DESC(msize, "memory size in Megabytes [1 - 1024]");
|
|
+MODULE_PARM_DESC(msize, "memory size in MiB [1 - 1024]");
|
|
module_param(asize, int, 0);
|
|
MODULE_PARM_DESC(asize, "aperture size, must be <= memsize [1-1024]");
|
|
|
|
@@ -799,8 +795,7 @@ static int __init init_pmc551(void)
|
|
mtd->owner = THIS_MODULE;
|
|
|
|
if (add_mtd_device(mtd)) {
|
|
- printk(KERN_NOTICE "pmc551: Failed to register new "
|
|
- "device\n");
|
|
+ printk(KERN_NOTICE "pmc551: Failed to register new device\n");
|
|
pci_iounmap(PCI_Device, priv->start);
|
|
kfree(mtd->priv);
|
|
kfree(mtd);
|
|
@@ -811,13 +806,13 @@ static int __init init_pmc551(void)
|
|
pci_dev_get(PCI_Device);
|
|
|
|
printk(KERN_NOTICE "Registered pmc551 memory device.\n");
|
|
- printk(KERN_NOTICE "Mapped %dM of memory from 0x%p to 0x%p\n",
|
|
+ printk(KERN_NOTICE "Mapped %dMiB of memory from 0x%p to 0x%p\n",
|
|
priv->asize >> 20,
|
|
priv->start, priv->start + priv->asize);
|
|
- printk(KERN_NOTICE "Total memory is %d%c\n",
|
|
+ printk(KERN_NOTICE "Total memory is %d%sB\n",
|
|
(length < 1024) ? length :
|
|
(length < 1048576) ? length >> 10 : length >> 20,
|
|
- (length < 1024) ? 'B' : (length < 1048576) ? 'K' : 'M');
|
|
+ (length < 1024) ? "" : (length < 1048576) ? "Ki" : "Mi");
|
|
priv->nextpmc551 = pmc551list;
|
|
pmc551list = mtd;
|
|
found++;
|
|
@@ -850,7 +845,7 @@ static void __exit cleanup_pmc551(void)
|
|
pmc551list = priv->nextpmc551;
|
|
|
|
if (priv->start) {
|
|
- printk(KERN_DEBUG "pmc551: unmapping %dM starting at "
|
|
+ printk(KERN_DEBUG "pmc551: unmapping %dMiB starting at "
|
|
"0x%p\n", priv->asize >> 20, priv->start);
|
|
pci_iounmap(priv->dev, priv->start);
|
|
}
|
|
Index: linux-2.6.23.17/drivers/mtd/maps/nettel.c
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/drivers/mtd/maps/nettel.c
|
|
+++ linux-2.6.23.17/drivers/mtd/maps/nettel.c
|
|
@@ -158,68 +158,11 @@ static struct notifier_block nettel_noti
|
|
nettel_reboot_notifier, NULL, 0
|
|
};
|
|
|
|
-/*
|
|
- * Erase the configuration file system.
|
|
- * Used to support the software reset button.
|
|
- */
|
|
-static void nettel_erasecallback(struct erase_info *done)
|
|
-{
|
|
- wait_queue_head_t *wait_q = (wait_queue_head_t *)done->priv;
|
|
- wake_up(wait_q);
|
|
-}
|
|
-
|
|
-static struct erase_info nettel_erase;
|
|
-
|
|
-int nettel_eraseconfig(void)
|
|
-{
|
|
- struct mtd_info *mtd;
|
|
- DECLARE_WAITQUEUE(wait, current);
|
|
- wait_queue_head_t wait_q;
|
|
- int ret;
|
|
-
|
|
- init_waitqueue_head(&wait_q);
|
|
- mtd = get_mtd_device(NULL, 2);
|
|
- if (!IS_ERR(mtd)) {
|
|
- nettel_erase.mtd = mtd;
|
|
- nettel_erase.callback = nettel_erasecallback;
|
|
- nettel_erase.callback = NULL;
|
|
- nettel_erase.addr = 0;
|
|
- nettel_erase.len = mtd->size;
|
|
- nettel_erase.priv = (u_long) &wait_q;
|
|
- nettel_erase.priv = 0;
|
|
-
|
|
- set_current_state(TASK_INTERRUPTIBLE);
|
|
- add_wait_queue(&wait_q, &wait);
|
|
-
|
|
- ret = mtd->erase(mtd, &nettel_erase);
|
|
- if (ret) {
|
|
- set_current_state(TASK_RUNNING);
|
|
- remove_wait_queue(&wait_q, &wait);
|
|
- put_mtd_device(mtd);
|
|
- return(ret);
|
|
- }
|
|
-
|
|
- schedule(); /* Wait for erase to finish. */
|
|
- remove_wait_queue(&wait_q, &wait);
|
|
-
|
|
- put_mtd_device(mtd);
|
|
- }
|
|
-
|
|
- return(0);
|
|
-}
|
|
-
|
|
-#else
|
|
-
|
|
-int nettel_eraseconfig(void)
|
|
-{
|
|
- return(0);
|
|
-}
|
|
-
|
|
#endif
|
|
|
|
/****************************************************************************/
|
|
|
|
-int __init nettel_init(void)
|
|
+static int __init nettel_init(void)
|
|
{
|
|
volatile unsigned long *amdpar;
|
|
unsigned long amdaddr, maxsize;
|
|
@@ -421,10 +364,6 @@ int __init nettel_init(void)
|
|
|
|
intel_mtd->owner = THIS_MODULE;
|
|
|
|
-#ifndef CONFIG_BLK_DEV_INITRD
|
|
- ROOT_DEV = MKDEV(MTD_BLOCK_MAJOR, 1);
|
|
-#endif
|
|
-
|
|
num_intel_partitions = sizeof(nettel_intel_partitions) /
|
|
sizeof(nettel_intel_partitions[0]);
|
|
|
|
@@ -477,7 +416,7 @@ out_unmap2:
|
|
|
|
/****************************************************************************/
|
|
|
|
-void __exit nettel_cleanup(void)
|
|
+static void __exit nettel_cleanup(void)
|
|
{
|
|
#ifdef CONFIG_MTD_CFI_INTELEXT
|
|
unregister_reboot_notifier(&nettel_notifier_block);
|
|
Index: linux-2.6.23.17/drivers/mtd/maps/pmcmsp-ramroot.c
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/drivers/mtd/maps/pmcmsp-ramroot.c
|
|
+++ linux-2.6.23.17/drivers/mtd/maps/pmcmsp-ramroot.c
|
|
@@ -79,7 +79,6 @@ static int __init init_rrmap(void)
|
|
rr_mtd->owner = THIS_MODULE;
|
|
|
|
add_mtd_device(rr_mtd);
|
|
- ROOT_DEV = MKDEV(MTD_BLOCK_MAJOR, rr_mtd->index);
|
|
|
|
return 0;
|
|
}
|
|
Index: linux-2.6.23.17/drivers/mtd/mtd_blkdevs.c
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/drivers/mtd/mtd_blkdevs.c
|
|
+++ linux-2.6.23.17/drivers/mtd/mtd_blkdevs.c
|
|
@@ -24,10 +24,9 @@
|
|
#include <linux/kthread.h>
|
|
#include <asm/uaccess.h>
|
|
|
|
-static LIST_HEAD(blktrans_majors);
|
|
+#include "mtdcore.h"
|
|
|
|
-extern struct mutex mtd_table_mutex;
|
|
-extern struct mtd_info *mtd_table[];
|
|
+static LIST_HEAD(blktrans_majors);
|
|
|
|
struct mtd_blkcore_priv {
|
|
struct task_struct *thread;
|
|
@@ -202,7 +201,7 @@ static int blktrans_ioctl(struct inode *
|
|
}
|
|
}
|
|
|
|
-struct block_device_operations mtd_blktrans_ops = {
|
|
+static struct block_device_operations mtd_blktrans_ops = {
|
|
.owner = THIS_MODULE,
|
|
.open = blktrans_open,
|
|
.release = blktrans_release,
|
|
Index: linux-2.6.23.17/drivers/mtd/mtdchar.c
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/drivers/mtd/mtdchar.c
|
|
+++ linux-2.6.23.17/drivers/mtd/mtdchar.c
|
|
@@ -137,7 +137,8 @@ static int mtd_close(struct inode *inode
|
|
|
|
DEBUG(MTD_DEBUG_LEVEL0, "MTD_close\n");
|
|
|
|
- if (mtd->sync)
|
|
+ /* Only sync if opened RW */
|
|
+ if ((file->f_mode & 2) && mtd->sync)
|
|
mtd->sync(mtd);
|
|
|
|
put_mtd_device(mtd);
|
|
Index: linux-2.6.23.17/drivers/mtd/mtdcore.c
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/drivers/mtd/mtdcore.c
|
|
+++ linux-2.6.23.17/drivers/mtd/mtdcore.c
|
|
@@ -22,6 +22,8 @@
|
|
|
|
#include <linux/mtd/mtd.h>
|
|
|
|
+#include "mtdcore.h"
|
|
+
|
|
/* These are exported solely for the purpose of mtd_blkdevs.c. You
|
|
should not use them for _anything_ else */
|
|
DEFINE_MUTEX(mtd_table_mutex);
|
|
Index: linux-2.6.23.17/drivers/mtd/nand/Kconfig
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/drivers/mtd/nand/Kconfig
|
|
+++ linux-2.6.23.17/drivers/mtd/nand/Kconfig
|
|
@@ -134,10 +134,10 @@ config MTD_NAND_S3C2410_HWECC
|
|
|
|
config MTD_NAND_NDFC
|
|
tristate "NDFC NanD Flash Controller"
|
|
- depends on 44x
|
|
+ depends on 4xx
|
|
select MTD_NAND_ECC_SMC
|
|
help
|
|
- NDFC Nand Flash Controllers are integrated in EP44x SoCs
|
|
+ NDFC Nand Flash Controllers are integrated in IBM/AMCC's 4xx SoCs
|
|
|
|
config MTD_NAND_S3C2410_CLKSTOP
|
|
bool "S3C2410 NAND IDLE clock stop"
|
|
@@ -237,7 +237,7 @@ config MTD_NAND_CAFE
|
|
select REED_SOLOMON
|
|
select REED_SOLOMON_DEC16
|
|
help
|
|
- Use NAND flash attached to the CAFÉ chip designed for the $100
|
|
+ Use NAND flash attached to the CAFÉ chip designed for the OLPC
|
|
laptop.
|
|
|
|
config MTD_NAND_CS553X
|
|
Index: linux-2.6.23.17/drivers/mtd/nand/cafe_nand.c
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/drivers/mtd/nand/cafe_nand.c
|
|
+++ linux-2.6.23.17/drivers/mtd/nand/cafe_nand.c
|
|
@@ -822,14 +822,53 @@ static struct pci_device_id cafe_nand_tb
|
|
|
|
MODULE_DEVICE_TABLE(pci, cafe_nand_tbl);
|
|
|
|
+static int cafe_nand_resume(struct pci_dev *pdev)
|
|
+{
|
|
+ uint32_t timing1, timing2, timing3;
|
|
+ uint32_t ctrl;
|
|
+ struct mtd_info *mtd = pci_get_drvdata(pdev);
|
|
+ struct cafe_priv *cafe = mtd->priv;
|
|
+
|
|
+ timing1 = timing2 = timing3 = 0xffffffff;
|
|
+ /* Start off by resetting the NAND controller completely */
|
|
+ cafe_writel(cafe, 1, NAND_RESET);
|
|
+ cafe_writel(cafe, 0, NAND_RESET);
|
|
+ cafe_writel(cafe, timing1, NAND_TIMING1);
|
|
+ cafe_writel(cafe, timing2, NAND_TIMING2);
|
|
+ cafe_writel(cafe, timing3, NAND_TIMING3);
|
|
+ cafe_writel(cafe, 0xffffffff, NAND_IRQ_MASK);
|
|
+
|
|
+ /* Disable master reset, enable NAND clock */
|
|
+ ctrl = cafe_readl(cafe, GLOBAL_CTRL);
|
|
+ ctrl &= 0xffffeff0;
|
|
+ ctrl |= 0x00007000;
|
|
+ cafe_writel(cafe, ctrl | 0x05, GLOBAL_CTRL);
|
|
+ cafe_writel(cafe, ctrl | 0x0a, GLOBAL_CTRL);
|
|
+ cafe_writel(cafe, 0, NAND_DMA_CTRL);
|
|
+ cafe_writel(cafe, 0x7006, GLOBAL_CTRL);
|
|
+ cafe_writel(cafe, 0x700a, GLOBAL_CTRL);
|
|
+
|
|
+ /* Set up DMA address */
|
|
+ cafe_writel(cafe, cafe->dmaaddr & 0xffffffff, NAND_DMA_ADDR0);
|
|
+ if (sizeof(cafe->dmaaddr) > 4)
|
|
+ /* Shift in two parts to shut the compiler up */
|
|
+ cafe_writel(cafe, (cafe->dmaaddr >> 16) >> 16, NAND_DMA_ADDR1);
|
|
+ else
|
|
+ cafe_writel(cafe, 0, NAND_DMA_ADDR1);
|
|
+
|
|
+ /* Enable NAND IRQ in global IRQ mask register */
|
|
+ cafe_writel(cafe, 0x80000007, GLOBAL_IRQ_MASK);
|
|
+ return 0;
|
|
+}
|
|
+
|
|
static struct pci_driver cafe_nand_pci_driver = {
|
|
.name = "CAFÉ NAND",
|
|
.id_table = cafe_nand_tbl,
|
|
.probe = cafe_nand_probe,
|
|
.remove = __devexit_p(cafe_nand_remove),
|
|
+ .resume = cafe_nand_resume,
|
|
#ifdef CONFIG_PMx
|
|
.suspend = cafe_nand_suspend,
|
|
- .resume = cafe_nand_resume,
|
|
#endif
|
|
};
|
|
|
|
Index: linux-2.6.23.17/drivers/mtd/nand/ndfc.c
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/drivers/mtd/nand/ndfc.c
|
|
+++ linux-2.6.23.17/drivers/mtd/nand/ndfc.c
|
|
@@ -24,7 +24,11 @@
|
|
#include <linux/platform_device.h>
|
|
|
|
#include <asm/io.h>
|
|
+#ifdef CONFIG_40x
|
|
+#include <asm/ibm405.h>
|
|
+#else
|
|
#include <asm/ibm44x.h>
|
|
+#endif
|
|
|
|
struct ndfc_nand_mtd {
|
|
struct mtd_info mtd;
|
|
@@ -230,7 +234,11 @@ static int ndfc_nand_probe(struct platfo
|
|
struct ndfc_controller *ndfc = &ndfc_ctrl;
|
|
unsigned long long phys = settings->ndfc_erpn | res->start;
|
|
|
|
+#ifndef CONFIG_PHYS_64BIT
|
|
+ ndfc->ndfcbase = ioremap((phys_addr_t)phys, res->end - res->start + 1);
|
|
+#else
|
|
ndfc->ndfcbase = ioremap64(phys, res->end - res->start + 1);
|
|
+#endif
|
|
if (!ndfc->ndfcbase) {
|
|
printk(KERN_ERR "NDFC: ioremap failed\n");
|
|
return -EIO;
|
|
Index: linux-2.6.23.17/drivers/mtd/onenand/Kconfig
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/drivers/mtd/onenand/Kconfig
|
|
+++ linux-2.6.23.17/drivers/mtd/onenand/Kconfig
|
|
@@ -40,4 +40,27 @@ config MTD_ONENAND_OTP
|
|
|
|
OTP block is fully-guaranteed to be a valid block.
|
|
|
|
+config MTD_ONENAND_2X_PROGRAM
|
|
+ bool "OneNAND 2X program support"
|
|
+ help
|
|
+ The 2X Program is an extension of Program Operation.
|
|
+ Since the device is equipped with two DataRAMs, and two-plane NAND
|
|
+ Flash memory array, these two component enables simultaneous program
|
|
+ of 4KiB. Plane1 has only even blocks such as block0, block2, block4
|
|
+ while Plane2 has only odd blocks such as block1, block3, block5.
|
|
+ So MTD regards it as 4KiB page size and 256KiB block size
|
|
+
|
|
+ Now the following chips support it. (KFXXX16Q2M)
|
|
+ Demux: KFG2G16Q2M, KFH4G16Q2M, KFW8G16Q2M,
|
|
+ Mux: KFM2G16Q2M, KFN4G16Q2M,
|
|
+
|
|
+ And more recent chips
|
|
+
|
|
+config MTD_ONENAND_SIM
|
|
+ tristate "OneNAND simulator support"
|
|
+ depends on MTD_PARTITIONS
|
|
+ help
|
|
+ The simulator may simulate various OneNAND flash chips for the
|
|
+ OneNAND MTD layer.
|
|
+
|
|
endif # MTD_ONENAND
|
|
Index: linux-2.6.23.17/drivers/mtd/onenand/Makefile
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/drivers/mtd/onenand/Makefile
|
|
+++ linux-2.6.23.17/drivers/mtd/onenand/Makefile
|
|
@@ -8,4 +8,7 @@ obj-$(CONFIG_MTD_ONENAND) += onenand.o
|
|
# Board specific.
|
|
obj-$(CONFIG_MTD_ONENAND_GENERIC) += generic.o
|
|
|
|
+# Simulator
|
|
+obj-$(CONFIG_MTD_ONENAND_SIM) += onenand_sim.o
|
|
+
|
|
onenand-objs = onenand_base.o onenand_bbt.o
|
|
Index: linux-2.6.23.17/drivers/mtd/onenand/onenand_base.c
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/drivers/mtd/onenand/onenand_base.c
|
|
+++ linux-2.6.23.17/drivers/mtd/onenand/onenand_base.c
|
|
@@ -206,6 +206,15 @@ static int onenand_command(struct mtd_in
|
|
default:
|
|
block = (int) (addr >> this->erase_shift);
|
|
page = (int) (addr >> this->page_shift);
|
|
+
|
|
+ if (ONENAND_IS_2PLANE(this)) {
|
|
+ /* Make the even block number */
|
|
+ block &= ~1;
|
|
+ /* Is it the odd plane? */
|
|
+ if (addr & this->writesize)
|
|
+ block++;
|
|
+ page >>= 1;
|
|
+ }
|
|
page &= this->page_mask;
|
|
break;
|
|
}
|
|
@@ -216,8 +225,12 @@ static int onenand_command(struct mtd_in
|
|
value = onenand_bufferram_address(this, block);
|
|
this->write_word(value, this->base + ONENAND_REG_START_ADDRESS2);
|
|
|
|
- /* Switch to the next data buffer */
|
|
- ONENAND_SET_NEXT_BUFFERRAM(this);
|
|
+ if (ONENAND_IS_2PLANE(this))
|
|
+ /* It is always BufferRAM0 */
|
|
+ ONENAND_SET_BUFFERRAM0(this);
|
|
+ else
|
|
+ /* Switch to the next data buffer */
|
|
+ ONENAND_SET_NEXT_BUFFERRAM(this);
|
|
|
|
return 0;
|
|
}
|
|
@@ -247,6 +260,8 @@ static int onenand_command(struct mtd_in
|
|
break;
|
|
|
|
default:
|
|
+ if (ONENAND_IS_2PLANE(this) && cmd == ONENAND_CMD_PROG)
|
|
+ cmd = ONENAND_CMD_2X_PROG;
|
|
dataram = ONENAND_CURRENT_BUFFERRAM(this);
|
|
break;
|
|
}
|
|
@@ -445,8 +460,9 @@ static inline int onenand_bufferram_offs
|
|
struct onenand_chip *this = mtd->priv;
|
|
|
|
if (ONENAND_CURRENT_BUFFERRAM(this)) {
|
|
+ /* Note: the 'this->writesize' is a real page size */
|
|
if (area == ONENAND_DATARAM)
|
|
- return mtd->writesize;
|
|
+ return this->writesize;
|
|
if (area == ONENAND_SPARERAM)
|
|
return mtd->oobsize;
|
|
}
|
|
@@ -572,6 +588,30 @@ static int onenand_write_bufferram(struc
|
|
}
|
|
|
|
/**
|
|
+ * onenand_get_2x_blockpage - [GENERIC] Get blockpage at 2x program mode
|
|
+ * @param mtd MTD data structure
|
|
+ * @param addr address to check
|
|
+ * @return blockpage address
|
|
+ *
|
|
+ * Get blockpage address at 2x program mode
|
|
+ */
|
|
+static int onenand_get_2x_blockpage(struct mtd_info *mtd, loff_t addr)
|
|
+{
|
|
+ struct onenand_chip *this = mtd->priv;
|
|
+ int blockpage, block, page;
|
|
+
|
|
+ /* Calculate the even block number */
|
|
+ block = (int) (addr >> this->erase_shift) & ~1;
|
|
+ /* Is it the odd plane? */
|
|
+ if (addr & this->writesize)
|
|
+ block++;
|
|
+ page = (int) (addr >> (this->page_shift + 1)) & this->page_mask;
|
|
+ blockpage = (block << 7) | page;
|
|
+
|
|
+ return blockpage;
|
|
+}
|
|
+
|
|
+/**
|
|
* onenand_check_bufferram - [GENERIC] Check BufferRAM information
|
|
* @param mtd MTD data structure
|
|
* @param addr address to check
|
|
@@ -585,7 +625,10 @@ static int onenand_check_bufferram(struc
|
|
int blockpage, found = 0;
|
|
unsigned int i;
|
|
|
|
- blockpage = (int) (addr >> this->page_shift);
|
|
+ if (ONENAND_IS_2PLANE(this))
|
|
+ blockpage = onenand_get_2x_blockpage(mtd, addr);
|
|
+ else
|
|
+ blockpage = (int) (addr >> this->page_shift);
|
|
|
|
/* Is there valid data? */
|
|
i = ONENAND_CURRENT_BUFFERRAM(this);
|
|
@@ -625,7 +668,10 @@ static void onenand_update_bufferram(str
|
|
int blockpage;
|
|
unsigned int i;
|
|
|
|
- blockpage = (int) (addr >> this->page_shift);
|
|
+ if (ONENAND_IS_2PLANE(this))
|
|
+ blockpage = onenand_get_2x_blockpage(mtd, addr);
|
|
+ else
|
|
+ blockpage = (int) (addr >> this->page_shift);
|
|
|
|
/* Invalidate another BufferRAM */
|
|
i = ONENAND_NEXT_BUFFERRAM(this);
|
|
@@ -734,6 +780,7 @@ static int onenand_read(struct mtd_info
|
|
int read = 0, column;
|
|
int thislen;
|
|
int ret = 0, boundary = 0;
|
|
+ int writesize = this->writesize;
|
|
|
|
DEBUG(MTD_DEBUG_LEVEL3, "onenand_read: from = 0x%08x, len = %i\n", (unsigned int) from, (int) len);
|
|
|
|
@@ -754,22 +801,22 @@ static int onenand_read(struct mtd_info
|
|
/* Do first load to bufferRAM */
|
|
if (read < len) {
|
|
if (!onenand_check_bufferram(mtd, from)) {
|
|
- this->command(mtd, ONENAND_CMD_READ, from, mtd->writesize);
|
|
+ this->command(mtd, ONENAND_CMD_READ, from, writesize);
|
|
ret = this->wait(mtd, FL_READING);
|
|
onenand_update_bufferram(mtd, from, !ret);
|
|
}
|
|
}
|
|
|
|
- thislen = min_t(int, mtd->writesize, len - read);
|
|
- column = from & (mtd->writesize - 1);
|
|
- if (column + thislen > mtd->writesize)
|
|
- thislen = mtd->writesize - column;
|
|
+ thislen = min_t(int, writesize, len - read);
|
|
+ column = from & (writesize - 1);
|
|
+ if (column + thislen > writesize)
|
|
+ thislen = writesize - column;
|
|
|
|
while (!ret) {
|
|
/* If there is more to load then start next load */
|
|
from += thislen;
|
|
if (read + thislen < len) {
|
|
- this->command(mtd, ONENAND_CMD_READ, from, mtd->writesize);
|
|
+ this->command(mtd, ONENAND_CMD_READ, from, writesize);
|
|
/*
|
|
* Chip boundary handling in DDP
|
|
* Now we issued chip 1 read and pointed chip 1
|
|
@@ -794,7 +841,7 @@ static int onenand_read(struct mtd_info
|
|
this->write_word(ONENAND_DDP_CHIP1, this->base + ONENAND_REG_START_ADDRESS2);
|
|
ONENAND_SET_NEXT_BUFFERRAM(this);
|
|
buf += thislen;
|
|
- thislen = min_t(int, mtd->writesize, len - read);
|
|
+ thislen = min_t(int, writesize, len - read);
|
|
column = 0;
|
|
cond_resched();
|
|
/* Now wait for load */
|
|
@@ -1079,7 +1126,7 @@ int onenand_bbt_read_oob(struct mtd_info
|
|
/* Read more? */
|
|
if (read < len) {
|
|
/* Update Page size */
|
|
- from += mtd->writesize;
|
|
+ from += this->writesize;
|
|
column = 0;
|
|
}
|
|
}
|
|
@@ -1135,12 +1182,12 @@ static int onenand_verify(struct mtd_inf
|
|
int thislen, column;
|
|
|
|
while (len != 0) {
|
|
- thislen = min_t(int, mtd->writesize, len);
|
|
- column = addr & (mtd->writesize - 1);
|
|
- if (column + thislen > mtd->writesize)
|
|
- thislen = mtd->writesize - column;
|
|
+ thislen = min_t(int, this->writesize, len);
|
|
+ column = addr & (this->writesize - 1);
|
|
+ if (column + thislen > this->writesize)
|
|
+ thislen = this->writesize - column;
|
|
|
|
- this->command(mtd, ONENAND_CMD_READ, addr, mtd->writesize);
|
|
+ this->command(mtd, ONENAND_CMD_READ, addr, this->writesize);
|
|
|
|
onenand_update_bufferram(mtd, addr, 0);
|
|
|
|
@@ -1236,6 +1283,10 @@ static int onenand_write(struct mtd_info
|
|
|
|
/* In partial page write we don't update bufferram */
|
|
onenand_update_bufferram(mtd, to, !ret && !subpage);
|
|
+ if (ONENAND_IS_2PLANE(this)) {
|
|
+ ONENAND_SET_BUFFERRAM1(this);
|
|
+ onenand_update_bufferram(mtd, to + this->writesize, !ret && !subpage);
|
|
+ }
|
|
|
|
if (ret) {
|
|
printk(KERN_ERR "onenand_write: write filaed %d\n", ret);
|
|
@@ -1384,6 +1435,10 @@ static int onenand_do_write_oob(struct m
|
|
this->command(mtd, ONENAND_CMD_PROGOOB, to, mtd->oobsize);
|
|
|
|
onenand_update_bufferram(mtd, to, 0);
|
|
+ if (ONENAND_IS_2PLANE(this)) {
|
|
+ ONENAND_SET_BUFFERRAM1(this);
|
|
+ onenand_update_bufferram(mtd, to + this->writesize, 0);
|
|
+ }
|
|
|
|
ret = this->wait(mtd, FL_WRITING);
|
|
if (ret) {
|
|
@@ -2107,6 +2162,7 @@ static int onenand_lock_user_prot_reg(st
|
|
*
|
|
* Check and set OneNAND features
|
|
* - lock scheme
|
|
+ * - two plane
|
|
*/
|
|
static void onenand_check_features(struct mtd_info *mtd)
|
|
{
|
|
@@ -2118,19 +2174,35 @@ static void onenand_check_features(struc
|
|
process = this->version_id >> ONENAND_VERSION_PROCESS_SHIFT;
|
|
|
|
/* Lock scheme */
|
|
- if (density >= ONENAND_DEVICE_DENSITY_1Gb) {
|
|
+ switch (density) {
|
|
+ case ONENAND_DEVICE_DENSITY_4Gb:
|
|
+ this->options |= ONENAND_HAS_2PLANE;
|
|
+
|
|
+ case ONENAND_DEVICE_DENSITY_2Gb:
|
|
+ /* 2Gb DDP don't have 2 plane */
|
|
+ if (!ONENAND_IS_DDP(this))
|
|
+ this->options |= ONENAND_HAS_2PLANE;
|
|
+ this->options |= ONENAND_HAS_UNLOCK_ALL;
|
|
+
|
|
+ case ONENAND_DEVICE_DENSITY_1Gb:
|
|
/* A-Die has all block unlock */
|
|
- if (process) {
|
|
- printk(KERN_DEBUG "Chip support all block unlock\n");
|
|
+ if (process)
|
|
this->options |= ONENAND_HAS_UNLOCK_ALL;
|
|
- }
|
|
- } else {
|
|
- /* Some OneNAND has continues lock scheme */
|
|
- if (!process) {
|
|
- printk(KERN_DEBUG "Lock scheme is Continues Lock\n");
|
|
+ break;
|
|
+
|
|
+ default:
|
|
+ /* Some OneNAND has continuous lock scheme */
|
|
+ if (!process)
|
|
this->options |= ONENAND_HAS_CONT_LOCK;
|
|
- }
|
|
+ break;
|
|
}
|
|
+
|
|
+ if (this->options & ONENAND_HAS_CONT_LOCK)
|
|
+ printk(KERN_DEBUG "Lock scheme is Continuous Lock\n");
|
|
+ if (this->options & ONENAND_HAS_UNLOCK_ALL)
|
|
+ printk(KERN_DEBUG "Chip support all block unlock\n");
|
|
+ if (this->options & ONENAND_HAS_2PLANE)
|
|
+ printk(KERN_DEBUG "Chip has 2 plane\n");
|
|
}
|
|
|
|
/**
|
|
@@ -2257,6 +2329,8 @@ static int onenand_probe(struct mtd_info
|
|
this->erase_shift = ffs(mtd->erasesize) - 1;
|
|
this->page_shift = ffs(mtd->writesize) - 1;
|
|
this->page_mask = (1 << (this->erase_shift - this->page_shift)) - 1;
|
|
+ /* It's real page size */
|
|
+ this->writesize = mtd->writesize;
|
|
|
|
/* REVIST: Multichip handling */
|
|
|
|
@@ -2265,6 +2339,17 @@ static int onenand_probe(struct mtd_info
|
|
/* Check OneNAND features */
|
|
onenand_check_features(mtd);
|
|
|
|
+ /*
|
|
+ * We emulate the 4KiB page and 256KiB erase block size
|
|
+ * But oobsize is still 64 bytes.
|
|
+ * It is only valid if you turn on 2X program support,
|
|
+ * Otherwise it will be ignored by compiler.
|
|
+ */
|
|
+ if (ONENAND_IS_2PLANE(this)) {
|
|
+ mtd->writesize <<= 1;
|
|
+ mtd->erasesize <<= 1;
|
|
+ }
|
|
+
|
|
return 0;
|
|
}
|
|
|
|
Index: linux-2.6.23.17/drivers/pci/quirks.c
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/drivers/pci/quirks.c
|
|
+++ linux-2.6.23.17/drivers/pci/quirks.c
|
|
@@ -1396,6 +1396,17 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_IN
|
|
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x260b, quirk_intel_pcie_pm);
|
|
|
|
/*
|
|
+ * According to Tom Sylla, the Geode does not support PCI power management
|
|
+ * transition, so we shouldn't need the D3hot delay.
|
|
+ */
|
|
+static void __init quirk_geode_pci_pm(struct pci_dev *dev)
|
|
+{
|
|
+ pci_pm_d3_delay = 0;
|
|
+}
|
|
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CYRIX, PCI_DEVICE_ID_CYRIX_5530_LEGACY, quirk_geode_pci_pm);
|
|
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_ISA, quirk_geode_pci_pm);
|
|
+
|
|
+/*
|
|
* Toshiba TC86C001 IDE controller reports the standard 8-byte BAR0 size
|
|
* but the PIO transfers won't work if BAR0 falls at the odd 8 bytes.
|
|
* Re-allocate the region if needed...
|
|
Index: linux-2.6.23.17/drivers/video/Kconfig
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/drivers/video/Kconfig
|
|
+++ linux-2.6.23.17/drivers/video/Kconfig
|
|
@@ -594,7 +594,7 @@ config FB_TGA
|
|
|
|
config FB_VESA
|
|
bool "VESA VGA graphics support"
|
|
- depends on (FB = y) && X86
|
|
+ depends on (FB = y) && X86 && !VGA_NOPROBE
|
|
select FB_CFB_FILLRECT
|
|
select FB_CFB_COPYAREA
|
|
select FB_CFB_IMAGEBLIT
|
|
@@ -1028,7 +1028,7 @@ config FB_CARILLO_RANCH
|
|
|
|
config FB_INTEL
|
|
tristate "Intel 830M/845G/852GM/855GM/865G/915G/945G support (EXPERIMENTAL)"
|
|
- depends on FB && EXPERIMENTAL && PCI && X86
|
|
+ depends on FB && EXPERIMENTAL && PCI && X86 && !VGA_NOPROBE
|
|
select AGP
|
|
select AGP_INTEL
|
|
select FB_MODE_HELPERS
|
|
@@ -1383,7 +1383,7 @@ config FB_SAVAGE_ACCEL
|
|
|
|
config FB_SIS
|
|
tristate "SiS/XGI display support"
|
|
- depends on FB && PCI
|
|
+ depends on FB && PCI && !VGA_NOPROBE
|
|
select FB_CFB_FILLRECT
|
|
select FB_CFB_COPYAREA
|
|
select FB_CFB_IMAGEBLIT
|
|
@@ -1822,6 +1822,15 @@ config FB_PS3_DEFAULT_SIZE_M
|
|
The default value can be overridden on the kernel command line
|
|
using the "ps3fb" option (e.g. "ps3fb=9M");
|
|
|
|
+config FB_OLPC_DCON
|
|
+ tristate "One Laptop Per Child Display CONtroller support"
|
|
+ depends on OLPC
|
|
+ select I2C
|
|
+ ---help---
|
|
+ Add support for the OLPC DCON controller. This controller is only
|
|
+ available on OLPC platforms. Unless you have one of these
|
|
+ platforms, you will want to say 'N'.
|
|
+
|
|
config FB_XILINX
|
|
tristate "Xilinx frame buffer support"
|
|
depends on FB && XILINX_VIRTEX
|
|
Index: linux-2.6.23.17/drivers/video/Makefile
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/drivers/video/Makefile
|
|
+++ linux-2.6.23.17/drivers/video/Makefile
|
|
@@ -111,6 +111,7 @@ obj-$(CONFIG_FB_PNX4008_DUM_RGB) += pnx
|
|
obj-$(CONFIG_FB_IBM_GXT4500) += gxt4500.o
|
|
obj-$(CONFIG_FB_PS3) += ps3fb.o
|
|
obj-$(CONFIG_FB_SM501) += sm501fb.o
|
|
+obj-$(CONFIG_FB_OLPC_DCON) += olpc_dcon.o
|
|
obj-$(CONFIG_FB_XILINX) += xilinxfb.o
|
|
obj-$(CONFIG_FB_OMAP) += omap/
|
|
|
|
Index: linux-2.6.23.17/drivers/video/fbmem.c
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/drivers/video/fbmem.c
|
|
+++ linux-2.6.23.17/drivers/video/fbmem.c
|
|
@@ -820,6 +820,53 @@ static void try_to_load(int fb)
|
|
#endif /* CONFIG_KMOD */
|
|
|
|
int
|
|
+fb_powerup(struct fb_info *info)
|
|
+{
|
|
+ int ret = 0;
|
|
+
|
|
+ if (!info || info->state == FBINFO_STATE_RUNNING)
|
|
+ return 0;
|
|
+
|
|
+ if (info->fbops->fb_powerup)
|
|
+ ret = info->fbops->fb_powerup(info);
|
|
+
|
|
+ if (!ret) {
|
|
+ acquire_console_sem();
|
|
+ fb_set_suspend(info, 0);
|
|
+ release_console_sem();
|
|
+ }
|
|
+
|
|
+ return ret;
|
|
+}
|
|
+
|
|
+int
|
|
+fb_powerdown(struct fb_info *info)
|
|
+{
|
|
+ int ret = 0;
|
|
+
|
|
+ if (!info || info->state == FBINFO_STATE_SUSPENDED)
|
|
+ return 0;
|
|
+
|
|
+ /* Tell everybody that the fbdev is going down */
|
|
+ acquire_console_sem();
|
|
+ fb_set_suspend(info, 1);
|
|
+ release_console_sem();
|
|
+
|
|
+ if (info->fbops->fb_powerdown)
|
|
+ ret = info->fbops->fb_powerdown(info);
|
|
+
|
|
+ /* If the power down failed, then un-notify */
|
|
+
|
|
+ if (ret) {
|
|
+ acquire_console_sem();
|
|
+ fb_set_suspend(info, 0);
|
|
+ release_console_sem();
|
|
+ }
|
|
+
|
|
+ return ret;
|
|
+}
|
|
+
|
|
+int
|
|
fb_pan_display(struct fb_info *info, struct fb_var_screeninfo *var)
|
|
{
|
|
struct fb_fix_screeninfo *fix = &info->fix;
|
|
Index: linux-2.6.23.17/drivers/video/geode/Makefile
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/drivers/video/geode/Makefile
|
|
+++ linux-2.6.23.17/drivers/video/geode/Makefile
|
|
@@ -5,5 +5,5 @@ obj-$(CONFIG_FB_GEODE_GX) += gxfb.o
|
|
obj-$(CONFIG_FB_GEODE_LX) += lxfb.o
|
|
|
|
gx1fb-objs := gx1fb_core.o display_gx1.o video_cs5530.o
|
|
-gxfb-objs := gxfb_core.o display_gx.o video_gx.o
|
|
+gxfb-objs := gxfb_core.o display_gx.o video_gx.o suspend_gx.o
|
|
lxfb-objs := lxfb_core.o lxfb_ops.o
|
|
Index: linux-2.6.23.17/drivers/video/geode/display_gx.c
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/drivers/video/geode/display_gx.c
|
|
+++ linux-2.6.23.17/drivers/video/geode/display_gx.c
|
|
@@ -11,26 +11,44 @@
|
|
* Free Software Foundation; either version 2 of the License, or * (at your
|
|
* option) any later version.
|
|
*/
|
|
+
|
|
+#include <linux/kernel.h>
|
|
#include <linux/spinlock.h>
|
|
#include <linux/fb.h>
|
|
#include <linux/delay.h>
|
|
#include <asm/io.h>
|
|
#include <asm/div64.h>
|
|
#include <asm/delay.h>
|
|
+#include <asm/olpc.h>
|
|
|
|
#include "geodefb.h"
|
|
#include "display_gx.h"
|
|
|
|
-#ifdef CONFIG_FB_GEODE_GX_SET_FBSIZE
|
|
-unsigned int gx_frame_buffer_size(void)
|
|
+static inline void rmwl(u32 val, u32 *reg)
|
|
{
|
|
- return CONFIG_FB_GEODE_GX_FBSIZE;
|
|
+ u32 in = readl(reg);
|
|
+ if (in != val)
|
|
+ writel(val, reg);
|
|
}
|
|
-#else
|
|
+
|
|
unsigned int gx_frame_buffer_size(void)
|
|
{
|
|
unsigned int val;
|
|
|
|
+#ifdef CONFIG_OLPC
|
|
+ if (machine_is_olpc() && !olpc_has_vsa()) {
|
|
+ u32 hi,lo;
|
|
+ rdmsr(GLIU0_P2D_RO0, lo, hi);
|
|
+
|
|
+ /* Top page number */
|
|
+ val = ((hi & 0xff) << 12) | ((lo & 0xfff00000) >> 20);
|
|
+
|
|
+ val -= (lo & 0x000fffff); /* Subtract bottom page number */
|
|
+ val += 1; /* Adjust page count */
|
|
+ return (val << 12);
|
|
+ }
|
|
+#endif
|
|
+
|
|
/* FB size is reported by a virtual register */
|
|
/* Virtual register class = 0x02 */
|
|
/* VG_MEM_SIZE(512Kb units) = 0x00 */
|
|
@@ -41,7 +59,6 @@ unsigned int gx_frame_buffer_size(void)
|
|
val = (unsigned int)(inw(0xAC1E)) & 0xFFl;
|
|
return (val << 19);
|
|
}
|
|
-#endif
|
|
|
|
int gx_line_delta(int xres, int bpp)
|
|
{
|
|
@@ -63,23 +80,23 @@ static void gx_set_mode(struct fb_info *
|
|
gcfg = readl(par->dc_regs + DC_GENERAL_CFG);
|
|
dcfg = readl(par->dc_regs + DC_DISPLAY_CFG);
|
|
|
|
- /* Disable the timing generator. */
|
|
- dcfg &= ~(DC_DCFG_TGEN);
|
|
- writel(dcfg, par->dc_regs + DC_DISPLAY_CFG);
|
|
-
|
|
- /* Wait for pending memory requests before disabling the FIFO load. */
|
|
- udelay(100);
|
|
-
|
|
- /* Disable FIFO load and compression. */
|
|
- gcfg &= ~(DC_GCFG_DFLE | DC_GCFG_CMPE | DC_GCFG_DECE);
|
|
- writel(gcfg, par->dc_regs + DC_GENERAL_CFG);
|
|
-
|
|
- /* Setup DCLK and its divisor. */
|
|
- par->vid_ops->set_dclk(info);
|
|
-
|
|
- /*
|
|
- * Setup new mode.
|
|
- */
|
|
+ /* Programming the clock is costly and ugly, so avoid if if we can */
|
|
+
|
|
+ if (par->curdclk != info->var.pixclock) {
|
|
+ /* Disable the timing generator. */
|
|
+ dcfg &= ~(DC_DCFG_TGEN);
|
|
+ writel(dcfg, par->dc_regs + DC_DISPLAY_CFG);
|
|
+
|
|
+ /* Wait for pending memory requests before disabling the FIFO load. */
|
|
+ udelay(100);
|
|
+
|
|
+ /* Disable FIFO load and compression. */
|
|
+ gcfg &= ~(DC_GCFG_DFLE | DC_GCFG_CMPE | DC_GCFG_DECE);
|
|
+ writel(gcfg, par->dc_regs + DC_GENERAL_CFG);
|
|
+
|
|
+ /* Setup DCLK and its divisor. */
|
|
+ par->vid_ops->set_dclk(info);
|
|
+ }
|
|
|
|
/* Clear all unused feature bits. */
|
|
gcfg &= DC_GCFG_YUVM | DC_GCFG_VDSE;
|
|
@@ -90,12 +107,13 @@ static void gx_set_mode(struct fb_info *
|
|
gcfg |= (6 << DC_GCFG_DFHPEL_POS) | (5 << DC_GCFG_DFHPSL_POS) | DC_GCFG_DFLE;
|
|
|
|
/* Framebuffer start offset. */
|
|
- writel(0, par->dc_regs + DC_FB_ST_OFFSET);
|
|
+ rmwl(0, par->dc_regs + DC_FB_ST_OFFSET);
|
|
|
|
/* Line delta and line buffer length. */
|
|
- writel(info->fix.line_length >> 3, par->dc_regs + DC_GFX_PITCH);
|
|
- writel(((info->var.xres * info->var.bits_per_pixel/8) >> 3) + 2,
|
|
- par->dc_regs + DC_LINE_SIZE);
|
|
+ rmwl(info->fix.line_length >> 3, par->dc_regs + DC_GFX_PITCH);
|
|
+
|
|
+ rmwl(((info->var.xres * info->var.bits_per_pixel/8) >> 3) + 2,
|
|
+ par->dc_regs + DC_LINE_SIZE);
|
|
|
|
|
|
/* Enable graphics and video data and unmask address lines. */
|
|
@@ -134,17 +152,16 @@ static void gx_set_mode(struct fb_info *
|
|
vblankend = vsyncend + info->var.upper_margin;
|
|
vtotal = vblankend;
|
|
|
|
- writel((hactive - 1) | ((htotal - 1) << 16), par->dc_regs + DC_H_ACTIVE_TIMING);
|
|
- writel((hblankstart - 1) | ((hblankend - 1) << 16), par->dc_regs + DC_H_BLANK_TIMING);
|
|
- writel((hsyncstart - 1) | ((hsyncend - 1) << 16), par->dc_regs + DC_H_SYNC_TIMING);
|
|
-
|
|
- writel((vactive - 1) | ((vtotal - 1) << 16), par->dc_regs + DC_V_ACTIVE_TIMING);
|
|
- writel((vblankstart - 1) | ((vblankend - 1) << 16), par->dc_regs + DC_V_BLANK_TIMING);
|
|
- writel((vsyncstart - 1) | ((vsyncend - 1) << 16), par->dc_regs + DC_V_SYNC_TIMING);
|
|
+ rmwl((hactive - 1) | ((htotal - 1) << 16), par->dc_regs + DC_H_ACTIVE_TIMING);
|
|
+ rmwl((hblankstart - 1) | ((hblankend - 1) << 16), par->dc_regs + DC_H_BLANK_TIMING);
|
|
+ rmwl((hsyncstart - 1) | ((hsyncend - 1) << 16), par->dc_regs + DC_H_SYNC_TIMING);
|
|
+ rmwl((vactive - 1) | ((vtotal - 1) << 16), par->dc_regs + DC_V_ACTIVE_TIMING);
|
|
+ rmwl((vblankstart - 1) | ((vblankend - 1) << 16), par->dc_regs + DC_V_BLANK_TIMING);
|
|
+ rmwl((vsyncstart - 1) | ((vsyncend - 1) << 16), par->dc_regs + DC_V_SYNC_TIMING);
|
|
|
|
/* Write final register values. */
|
|
- writel(dcfg, par->dc_regs + DC_DISPLAY_CFG);
|
|
- writel(gcfg, par->dc_regs + DC_GENERAL_CFG);
|
|
+ rmwl(dcfg, par->dc_regs + DC_DISPLAY_CFG);
|
|
+ rmwl(gcfg, par->dc_regs + DC_GENERAL_CFG);
|
|
|
|
par->vid_ops->configure_display(info);
|
|
|
|
Index: linux-2.6.23.17/drivers/video/geode/display_gx.h
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/drivers/video/geode/display_gx.h
|
|
+++ linux-2.6.23.17/drivers/video/geode/display_gx.h
|
|
@@ -20,6 +20,9 @@ extern struct geode_dc_ops gx_dc_ops;
|
|
#define GLD_MSR_CONFIG 0xC0002001
|
|
#define GLD_MSR_CONFIG_DM_FP 0x40
|
|
|
|
+/* Used for memory dection on the OLPC */
|
|
+#define GLIU0_P2D_RO0 0x10000029
|
|
+
|
|
/* Display controller registers */
|
|
|
|
#define DC_UNLOCK 0x00
|
|
Index: linux-2.6.23.17/drivers/video/geode/geodefb.h
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/drivers/video/geode/geodefb.h
|
|
+++ linux-2.6.23.17/drivers/video/geode/geodefb.h
|
|
@@ -12,6 +12,10 @@
|
|
#ifndef __GEODEFB_H__
|
|
#define __GEODEFB_H__
|
|
|
|
+#define FB_POWER_STATE_OFF 0
|
|
+#define FB_POWER_STATE_SUSPEND 1
|
|
+#define FB_POWER_STATE_ON 2
|
|
+
|
|
struct geodefb_info;
|
|
|
|
struct geode_dc_ops {
|
|
@@ -21,18 +25,24 @@ struct geode_dc_ops {
|
|
|
|
struct geode_vid_ops {
|
|
void (*set_dclk)(struct fb_info *);
|
|
+ unsigned int (*get_dclk)(struct fb_info *);
|
|
void (*configure_display)(struct fb_info *);
|
|
int (*blank_display)(struct fb_info *, int blank_mode);
|
|
};
|
|
|
|
struct geodefb_par {
|
|
int enable_crt;
|
|
+ int fbactive; /* True if the current console is in KD_GRAPHICS mode */
|
|
int panel_x; /* dimensions of an attached flat panel, non-zero => enable panel */
|
|
int panel_y;
|
|
+ unsigned int curdclk; /* Used by GX to avoid unnessesary clock switching */
|
|
void __iomem *dc_regs;
|
|
void __iomem *vid_regs;
|
|
+ void __iomem *gp_regs;
|
|
struct geode_dc_ops *dc_ops;
|
|
struct geode_vid_ops *vid_ops;
|
|
+
|
|
+ int state;
|
|
};
|
|
|
|
#endif /* !__GEODEFB_H__ */
|
|
Index: linux-2.6.23.17/drivers/video/geode/gxfb_core.c
|
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===================================================================
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--- linux-2.6.23.17.orig/drivers/video/geode/gxfb_core.c
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+++ linux-2.6.23.17/drivers/video/geode/gxfb_core.c
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@@ -30,12 +30,31 @@
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#include <linux/fb.h>
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#include <linux/init.h>
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#include <linux/pci.h>
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+#include <linux/notifier.h>
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+#include <linux/vt_kern.h>
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+#include <linux/console.h>
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+#include <asm/uaccess.h>
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+#include <asm/olpc.h>
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#include "geodefb.h"
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#include "display_gx.h"
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#include "video_gx.h"
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+#define FBIOSGAMMA _IOW('F', 0x20, void *)
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+#define FBIOGGAMMA _IOW('F', 0x21, void *)
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+
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+#ifdef DEBUG
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+
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+#define FBIODUMPGP _IOW('F', 0x22, void *)
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+#define FBIODUMPDC _IOW('F', 0x23, void *)
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+#define FBIODUMPVP _IOW('F', 0x24, void *)
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+#define FBIODUMPFP _IOW('F', 0x25, void *)
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+
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+#endif
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+
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static char *mode_option;
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+static int noclear;
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+struct fb_info *gxfb_info;
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/* Modes relevant to the GX (taken from modedb.c) */
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static const struct fb_videomode gx_modedb[] __initdata = {
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@@ -103,8 +122,20 @@ static const struct fb_videomode gx_mode
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{ NULL, 85, 1600, 1200, 4357, 304, 64, 46, 1, 192, 3,
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FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
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FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
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+ /* 1200x900-75 - CRT timings for the OLPC mode */
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+ { NULL, 75, 1200, 900, 8049, 104, 240, 29, 54, 136, 3,
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+ 0, FB_VMODE_NONINTERLACED, 0 }
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};
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+#ifdef CONFIG_OLPC
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+static const struct fb_videomode gx_dcon_modedb[] __initdata = {
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+ /* The only mode the DCON has is 1200x900 */
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+ { NULL, 50, 1200, 900, 17460, 24, 8, 4, 5, 8, 3,
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+ 0, FB_VMODE_NONINTERLACED, 0 }
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+};
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+#endif
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+
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+
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static int gxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
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{
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if (var->xres > 1600 || var->yres > 1200)
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@@ -137,7 +168,7 @@ static int gxfb_check_var(struct fb_var_
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return 0;
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}
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-static int gxfb_set_par(struct fb_info *info)
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+int gxfb_set_par(struct fb_info *info)
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{
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struct geodefb_par *par = info->par;
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@@ -204,16 +235,26 @@ static int gxfb_blank(int blank_mode, st
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return par->vid_ops->blank_display(info, blank_mode);
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}
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+static int fbsize;
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+
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static int __init gxfb_map_video_memory(struct fb_info *info, struct pci_dev *dev)
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{
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struct geodefb_par *par = info->par;
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- int fb_len;
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int ret;
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ret = pci_enable_device(dev);
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if (ret < 0)
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return ret;
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+ ret = pci_request_region(dev, 1, "gxfb (graphics processor)");
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+ if (ret < 0)
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+ return ret;
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+
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+ par->gp_regs = ioremap(pci_resource_start(dev, 1),
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+ pci_resource_len(dev, 1));
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+ if (!par->gp_regs)
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+ return -ENOMEM;
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+
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ret = pci_request_region(dev, 3, "gxfb (video processor)");
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if (ret < 0)
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return ret;
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@@ -232,36 +273,118 @@ static int __init gxfb_map_video_memory(
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ret = pci_request_region(dev, 0, "gxfb (framebuffer)");
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if (ret < 0)
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return ret;
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- if ((fb_len = gx_frame_buffer_size()) < 0)
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- return -ENOMEM;
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+
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+ /* If the fbsize wasn't specified then try to probe it */
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+
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+ if (!fbsize) {
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+ fbsize = gx_frame_buffer_size();
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+ if (fbsize == 0)
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+ return -ENOMEM;
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+ }
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+
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info->fix.smem_start = pci_resource_start(dev, 0);
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- info->fix.smem_len = fb_len;
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+ info->fix.smem_len = fbsize;
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info->screen_base = ioremap(info->fix.smem_start, info->fix.smem_len);
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if (!info->screen_base)
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return -ENOMEM;
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- /* Set the 16MB aligned base address of the graphics memory region
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+ /* Set the 16MiB aligned base address of the graphics memory region
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* in the display controller */
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writel(info->fix.smem_start & 0xFF000000,
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par->dc_regs + DC_GLIU0_MEM_OFFSET);
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- dev_info(&dev->dev, "%d Kibyte of video memory at 0x%lx\n",
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+ dev_info(&dev->dev, "%d KiB of video memory at 0x%lx\n",
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info->fix.smem_len / 1024, info->fix.smem_start);
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return 0;
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}
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+static int gxfb_ioctl( struct fb_info *info, unsigned int cmd,
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+ unsigned long arg)
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+{
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+ unsigned int gamma[GXFB_GAMMA_DWORDS];
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+ int ret = -EINVAL;
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+ struct geodefb_par *par = info->par;
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+ int i;
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+
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+ switch(cmd) {
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+ case FBIOSGAMMA:
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+ /* Read the gamma information from the user - 256 dwords */
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+
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+ if (copy_from_user(gamma, (void * __user) arg, GXFB_GAMMA_SIZE))
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+ return -EFAULT;
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+
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+ writel(0, par->vid_regs + GX_GAR);
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+
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+ /* Sequential writes to the data register will increment the
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+ address automatically */
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+
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+ for(i = 0; i < GXFB_GAMMA_DWORDS; i++)
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+ writel(gamma[i] & 0xFFFFFF, par->vid_regs + GX_GDR);
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+
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+ writel(readl(par->vid_regs + GX_MISC) & ~GX_MISC_GAM_EN,
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+ par->vid_regs + GX_MISC);
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+
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+ ret = 0;
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+ break;
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+
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+ case FBIOGGAMMA:
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+ if (readl(par->vid_regs + GX_MISC) & GX_MISC_GAM_EN)
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+ return -EINVAL;
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+
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+ memset(gamma, 0, GXFB_GAMMA_SIZE);
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+ writel(0, par->vid_regs + GX_GAR);
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+
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+ for(i = 0; i < GXFB_GAMMA_DWORDS;i++)
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+ gamma[i] = readl(par->vid_regs + GX_GDR);
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+
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+ if (copy_to_user((void * __user) arg, gamma, GXFB_GAMMA_SIZE))
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+ ret = -EFAULT;
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+ else
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+ ret = 0;
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+
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+ break;
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+
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+#ifdef DEBUG
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+ case FBIODUMPGP:
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+ ret = 0;
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+ dump_regs(info, 0);
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+ break;
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+
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+ case FBIODUMPDC:
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+ ret = 0;
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+ dump_regs(info, 1);
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+ break;
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+
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+ case FBIODUMPVP:
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+ ret = 0;
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+ dump_regs(info, 2);
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+ break;
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+
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+ case FBIODUMPFP:
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+ ret = 0;
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+ dump_regs(info, 3);
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+ break;
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+#endif
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+ }
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+
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+ return ret;
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+}
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+
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static struct fb_ops gxfb_ops = {
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.owner = THIS_MODULE,
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.fb_check_var = gxfb_check_var,
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.fb_set_par = gxfb_set_par,
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.fb_setcolreg = gxfb_setcolreg,
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.fb_blank = gxfb_blank,
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+ .fb_ioctl = gxfb_ioctl,
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/* No HW acceleration for now. */
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.fb_fillrect = cfb_fillrect,
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.fb_copyarea = cfb_copyarea,
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.fb_imageblit = cfb_imageblit,
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+ .fb_powerdown = gxfb_powerdown,
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+ .fb_powerup = gxfb_powerup,
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};
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static struct fb_info * __init gxfb_init_fbinfo(struct device *dev)
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@@ -303,23 +426,86 @@ static struct fb_info * __init gxfb_init
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return info;
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}
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-static int __init gxfb_probe(struct pci_dev *pdev, const struct pci_device_id *id)
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+static int gxfb_console_notify(struct notifier_block *self,
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+ unsigned long action, void *data)
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+{
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+ if (gxfb_info != NULL) {
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+ struct geodefb_par *par = gxfb_info->par;
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+ par->fbactive = (action == CONSOLE_EVENT_SWITCH_TEXT) ? 0 : 1;
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+ }
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+
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+ return NOTIFY_OK;
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+}
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+
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+static struct notifier_block gxfb_console_notifier = {
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+ .notifier_call = gxfb_console_notify
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+};
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+
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+#ifdef CONFIG_PM
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+
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+static int gxfb_suspend(struct pci_dev *pdev, pm_message_t state)
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+{
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+ struct fb_info *info = pci_get_drvdata(pdev);
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+ struct geodefb_par *par = info->par;
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+
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+ if (pdev->dev.power.power_state.event == state.event)
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+ return 0;
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+
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+ if (state.event == PM_EVENT_SUSPEND) {
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+
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+ acquire_console_sem();
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+ gxfb_powerdown(info);
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+
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+ par->state = FB_POWER_STATE_OFF;
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+ fb_set_suspend(info, 1);
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+
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+ release_console_sem();
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+ }
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+
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+ pdev->dev.power.power_state = state;
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+ return 0;
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+}
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+
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+static int gxfb_resume(struct pci_dev *pdev)
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+{
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+ struct fb_info *info = pci_get_drvdata(pdev);
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+
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+ acquire_console_sem();
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+
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+ /* Turn the engine completely on */
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+
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+ if (gxfb_powerup(info))
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+ printk(KERN_ERR "gxfb: Powerup failed\n");
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+
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+ fb_set_suspend(info, 0);
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+ release_console_sem();
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+
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+ pdev->dev.power.power_state = PMSG_ON;
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+ return 0;
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+}
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+#endif
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+
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+static int __init gxfb_probe(struct pci_dev *pdev,
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+ const struct pci_device_id *id)
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{
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struct geodefb_par *par;
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- struct fb_info *info;
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int ret;
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unsigned long val;
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- info = gxfb_init_fbinfo(&pdev->dev);
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- if (!info)
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+ struct fb_videomode *modedb_ptr;
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+ int modedb_size;
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+
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+ gxfb_info = gxfb_init_fbinfo(&pdev->dev);
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+ if (gxfb_info == NULL)
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return -ENOMEM;
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- par = info->par;
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+
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+ par = gxfb_info->par;
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/* GX display controller and GX video device. */
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par->dc_ops = &gx_dc_ops;
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par->vid_ops = &gx_vid_ops;
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- if ((ret = gxfb_map_video_memory(info, pdev)) < 0) {
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+ if ((ret = gxfb_map_video_memory(gxfb_info, pdev)) < 0) {
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dev_err(&pdev->dev, "failed to map frame buffer or controller registers\n");
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goto err;
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}
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@@ -333,32 +519,60 @@ static int __init gxfb_probe(struct pci_
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else
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par->enable_crt = 1;
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- ret = fb_find_mode(&info->var, info, mode_option,
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- gx_modedb, ARRAY_SIZE(gx_modedb), NULL, 16);
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+ /* Get the current dotclock */
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+
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+ par->curdclk = (par->vid_ops->get_dclk) ? par->vid_ops->get_dclk(gxfb_info) : 0;
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+
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+ /* We need to determine a display mode right now, so we will
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+ * check to see if the DCON was previously detected by the BIOS
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+ * and use that to make our mode database decision.
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+ */
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+
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+ modedb_ptr = (struct fb_videomode *) gx_modedb;
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+ modedb_size = ARRAY_SIZE(gx_modedb);
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+
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+#ifdef CONFIG_OLPC
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+ if (olpc_has_dcon()) {
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+ modedb_ptr = (struct fb_videomode *) gx_dcon_modedb;
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+ modedb_size = ARRAY_SIZE(gx_dcon_modedb);
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+ }
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+#endif
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+
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+ ret = fb_find_mode(&gxfb_info->var, gxfb_info, mode_option,
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+ modedb_ptr, modedb_size, NULL, 16);
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+
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if (ret == 0 || ret == 4) {
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dev_err(&pdev->dev, "could not find valid video mode\n");
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ret = -EINVAL;
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goto err;
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}
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+ /* Clear the screen of garbage, unless noclear was specified,
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+ * in which case we assume the user knows what he is doing */
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+
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+ if (!noclear)
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+ memset_io(gxfb_info->screen_base, 0, gxfb_info->fix.smem_len);
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+
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+ gxfb_check_var(&gxfb_info->var, gxfb_info);
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+ gxfb_set_par(gxfb_info);
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+
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+ /* We are powered up */
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+ par->state = FB_POWER_STATE_ON;
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- /* Clear the frame buffer of garbage. */
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- memset_io(info->screen_base, 0, info->fix.smem_len);
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- gxfb_check_var(&info->var, info);
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- gxfb_set_par(info);
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+ console_event_register(&gxfb_console_notifier);
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- if (register_framebuffer(info) < 0) {
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+ if (register_framebuffer(gxfb_info) < 0) {
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ret = -EINVAL;
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goto err;
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}
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- pci_set_drvdata(pdev, info);
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- printk(KERN_INFO "fb%d: %s frame buffer device\n", info->node, info->fix.id);
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+ pci_set_drvdata(pdev, gxfb_info);
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+ printk(KERN_INFO "fb%d: %s frame buffer device\n", gxfb_info->node, gxfb_info->fix.id);
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return 0;
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err:
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- if (info->screen_base) {
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- iounmap(info->screen_base);
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+ if (gxfb_info->screen_base) {
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+ iounmap(gxfb_info->screen_base);
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pci_release_region(pdev, 0);
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}
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if (par->vid_regs) {
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@@ -370,8 +584,9 @@ static int __init gxfb_probe(struct pci_
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pci_release_region(pdev, 2);
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}
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|
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- if (info)
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- framebuffer_release(info);
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+ if (gxfb_info)
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+ framebuffer_release(gxfb_info);
|
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+
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return ret;
|
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}
|
|
|
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@@ -397,9 +612,7 @@ static void gxfb_remove(struct pci_dev *
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}
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static struct pci_device_id gxfb_id_table[] = {
|
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- { PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_GX_VIDEO,
|
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- PCI_ANY_ID, PCI_ANY_ID, PCI_BASE_CLASS_DISPLAY << 16,
|
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- 0xff0000, 0 },
|
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+ { PCI_DEVICE(PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_GX_VIDEO) },
|
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{ 0, }
|
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};
|
|
|
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@@ -410,22 +623,30 @@ static struct pci_driver gxfb_driver = {
|
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.id_table = gxfb_id_table,
|
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.probe = gxfb_probe,
|
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.remove = gxfb_remove,
|
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+#ifdef CONFIG_PM
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+ .suspend = gxfb_suspend,
|
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+ .resume = gxfb_resume
|
|
+#endif
|
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};
|
|
|
|
#ifndef MODULE
|
|
-static int __init gxfb_setup(char *options)
|
|
-{
|
|
+static int __init gxfb_setup(char *options) {
|
|
|
|
char *opt;
|
|
|
|
if (!options || !*options)
|
|
return 0;
|
|
|
|
- while ((opt = strsep(&options, ",")) != NULL) {
|
|
+ while((opt = strsep(&options, ",")) != NULL) {
|
|
if (!*opt)
|
|
continue;
|
|
|
|
- mode_option = opt;
|
|
+ if (!strncmp(opt, "fbsize:", 7))
|
|
+ fbsize = simple_strtoul(opt+7, NULL, 0);
|
|
+ else if (!strcmp(opt, "noclear"))
|
|
+ noclear = 1;
|
|
+ else
|
|
+ mode_option = opt;
|
|
}
|
|
|
|
return 0;
|
|
@@ -444,7 +665,6 @@ static int __init gxfb_init(void)
|
|
#endif
|
|
return pci_register_driver(&gxfb_driver);
|
|
}
|
|
-
|
|
static void __exit gxfb_cleanup(void)
|
|
{
|
|
pci_unregister_driver(&gxfb_driver);
|
|
@@ -456,5 +676,8 @@ module_exit(gxfb_cleanup);
|
|
module_param(mode_option, charp, 0);
|
|
MODULE_PARM_DESC(mode_option, "video mode (<x>x<y>[-<bpp>][@<refr>])");
|
|
|
|
+module_param(fbsize, int, 0);
|
|
+MODULE_PARM_DESC(fbsize, "video memory size");
|
|
+
|
|
MODULE_DESCRIPTION("Framebuffer driver for the AMD Geode GX");
|
|
MODULE_LICENSE("GPL");
|
|
Index: linux-2.6.23.17/drivers/video/geode/lxfb.h
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/drivers/video/geode/lxfb.h
|
|
+++ linux-2.6.23.17/drivers/video/geode/lxfb.h
|
|
@@ -25,10 +25,23 @@ void lx_set_mode(struct fb_info *);
|
|
void lx_get_gamma(struct fb_info *, unsigned int *, int);
|
|
void lx_set_gamma(struct fb_info *, unsigned int *, int);
|
|
unsigned int lx_framebuffer_size(void);
|
|
+int lx_shutdown(struct fb_info *);
|
|
+int lx_powerup(struct fb_info *);
|
|
int lx_blank_display(struct fb_info *, int);
|
|
void lx_set_palette_reg(struct fb_info *, unsigned int, unsigned int,
|
|
unsigned int, unsigned int);
|
|
|
|
+
|
|
+
|
|
+/* ioctl() defines */
|
|
+
|
|
+#define FBIOSGAMMA _IOW('F', 0x20, void *)
|
|
+#define FBIOGGAMMA _IOW('F', 0x21, void *)
|
|
+
|
|
+/* General definitions */
|
|
+#define LXFB_GAMMA_DWORDS 256 /* number of dwords in the gamma ram */
|
|
+#define LXFB_GAMMA_SIZE (LXFB_GAMMA_DWORDS * sizeof(unsigned int))
|
|
+
|
|
/* MSRS */
|
|
|
|
#define MSR_LX_GLD_CONFIG 0x48002001
|
|
Index: linux-2.6.23.17/drivers/video/geode/lxfb_core.c
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/drivers/video/geode/lxfb_core.c
|
|
+++ linux-2.6.23.17/drivers/video/geode/lxfb_core.c
|
|
@@ -22,6 +22,7 @@
|
|
#include <linux/init.h>
|
|
#include <linux/pci.h>
|
|
#include <linux/uaccess.h>
|
|
+#include <asm/olpc.h>
|
|
|
|
#include "lxfb.h"
|
|
|
|
@@ -35,186 +36,84 @@ static int fbsize;
|
|
*/
|
|
|
|
const struct fb_videomode geode_modedb[] __initdata = {
|
|
- /* 640x480-60 */
|
|
- { NULL, 60, 640, 480, 39682, 48, 8, 25, 2, 88, 2,
|
|
+ /* 640x480-60 VESA */
|
|
+ { NULL, 60, 640, 480, 39682, 48, 16, 33, 10, 96, 2,
|
|
+ 0, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
|
|
+ /* 640x480-75 VESA */
|
|
+ { NULL, 75, 640, 480, 31746, 120, 16, 16, 01, 64, 3,
|
|
+ 0, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
|
|
+ /* 640x480-85 VESA */
|
|
+ { NULL, 85, 640, 480, 27777, 80, 56, 25, 01, 56, 3,
|
|
+ 0, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
|
|
+ /* 800x600-60 VESA */
|
|
+ { NULL, 60, 800, 600, 25000, 88, 40, 23, 01, 128, 4,
|
|
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
|
|
+ FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
|
|
+ /* 800x600-75 VESA */
|
|
+ { NULL, 75, 800, 600, 20202, 160, 16, 21, 01, 80, 3,
|
|
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
|
|
+ FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
|
|
+ /* 800x600-85 VESA */
|
|
+ { NULL, 85, 800, 600, 17761, 152, 32, 27, 01, 64, 3,
|
|
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
|
|
+ FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
|
|
+ /* 1024x768-60 VESA */
|
|
+ { NULL, 60, 1024, 768, 15384, 160, 24, 29, 3, 136, 6,
|
|
+ 0, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
|
|
+ /* 1024x768-75 VESA */
|
|
+ { NULL, 75, 1024, 768, 12690, 176, 16, 28, 1, 96, 3,
|
|
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
|
|
+ FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
|
|
+ /* 1024x768-85 VESA */
|
|
+ { NULL, 85, 1024, 768, 10582, 208, 48, 36, 1, 96, 3,
|
|
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
|
|
+ FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
|
|
+ /* 1280x960-60 VESA */
|
|
+ { NULL, 60, 1280, 960, 9259, 312, 96, 36, 1, 112, 3,
|
|
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
|
|
+ FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
|
|
+ /* 1280x960-85 VESA */
|
|
+ { NULL, 85, 1280, 960, 6734, 224, 64, 47, 1, 160, 3,
|
|
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
|
|
+ FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
|
|
+ /* 1280x1024-60 VESA */
|
|
+ { NULL, 60, 1280, 1024, 9259, 248, 48, 38, 1, 112, 3,
|
|
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
|
|
+ FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
|
|
+ /* 1280x1024-75 VESA */
|
|
+ { NULL, 75, 1280, 1024, 7407, 248, 16, 38, 1, 144, 3,
|
|
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
|
|
+ FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
|
|
+ /* 1280x1024-85 VESA */
|
|
+ { NULL, 85, 1280, 1024, 6349, 224, 64, 44, 1, 160, 3,
|
|
FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
|
|
- FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 640x400-70 */
|
|
- { NULL, 70, 640, 400, 39770, 40, 8, 28, 5, 96, 2,
|
|
- FB_SYNC_HOR_HIGH_ACT,
|
|
- FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 640x480-70 */
|
|
- { NULL, 70, 640, 480, 35014, 88, 24, 15, 2, 64, 3,
|
|
- 0, FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 640x480-72 */
|
|
- { NULL, 72, 640, 480, 32102, 120, 16, 20, 1, 40, 3,
|
|
- FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
|
|
- FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 640x480-75 */
|
|
- { NULL, 75, 640, 480, 31746, 120, 16, 16, 1, 64, 3,
|
|
- FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
|
|
- FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 640x480-85 */
|
|
- { NULL, 85, 640, 480, 27780, 80, 56, 25, 1, 56, 3,
|
|
- FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
|
|
- FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 640x480-90 */
|
|
- { NULL, 90, 640, 480, 26392, 96, 32, 22, 1, 64, 3,
|
|
- 0, FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 640x480-100 */
|
|
- { NULL, 100, 640, 480, 23167, 104, 40, 25, 1, 64, 3,
|
|
- 0, FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 640x480-60 */
|
|
- { NULL, 60, 640, 480, 39682, 48, 16, 25, 10, 88, 2,
|
|
- FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
|
|
- FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 800x600-56 */
|
|
- { NULL, 56, 800, 600, 27901, 128, 24, 22, 1, 72, 2,
|
|
- 0, FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 800x600-60 */
|
|
- { NULL, 60, 800, 600, 25131, 72, 32, 23, 1, 136, 4,
|
|
- 0, FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 800x600-70 */
|
|
- { NULL, 70, 800, 600, 21873, 120, 40, 21, 4, 80, 3,
|
|
- 0, FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 800x600-72 */
|
|
- { NULL, 72, 800, 600, 20052, 64, 56, 23, 37, 120, 6,
|
|
- 0, FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 800x600-75 */
|
|
- { NULL, 75, 800, 600, 20202, 160, 16, 21, 1, 80, 3,
|
|
- 0, FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 800x600-85 */
|
|
- { NULL, 85, 800, 600, 17790, 152, 32, 27, 1, 64, 3,
|
|
- 0, FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 800x600-90 */
|
|
- { NULL, 90, 800, 600, 16648, 128, 40, 28, 1, 88, 3,
|
|
- 0, FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 800x600-100 */
|
|
- { NULL, 100, 800, 600, 14667, 136, 48, 27, 1, 88, 3,
|
|
- 0, FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 800x600-60 */
|
|
- { NULL, 60, 800, 600, 25131, 88, 40, 23, 1, 128, 4,
|
|
- FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
|
|
- FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 1024x768-60 */
|
|
- { NULL, 60, 1024, 768, 15385, 160, 24, 29, 3, 136, 6,
|
|
- FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
|
|
- FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 1024x768-70 */
|
|
- { NULL, 70, 1024, 768, 13346, 144, 24, 29, 3, 136, 6,
|
|
- FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
|
|
- FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 1024x768-72 */
|
|
- { NULL, 72, 1024, 768, 12702, 168, 56, 29, 4, 112, 3,
|
|
- 0, FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 1024x768-75 */
|
|
- { NULL, 75, 1024, 768, 12703, 176, 16, 28, 1, 96, 3,
|
|
- 0, FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 1024x768-85 */
|
|
- { NULL, 85, 1024, 768, 10581, 208, 48, 36, 1, 96, 3,
|
|
- 0, FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 1024x768-90 */
|
|
- { NULL, 90, 1024, 768, 9981, 176, 64, 37, 1, 112, 3,
|
|
- 0, FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 1024x768-100 */
|
|
- { NULL, 100, 1024, 768, 8825, 184, 72, 42, 1, 112, 3,
|
|
- 0, FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 1024x768-60 */
|
|
- { NULL, 60, 1024, 768, 15385, 160, 24, 29, 3, 136, 6,
|
|
- FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
|
|
- FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 1152x864-60 */
|
|
- { NULL, 60, 1152, 864, 12251, 184, 64, 27, 1, 120, 3,
|
|
- 0, FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 1152x864-70 */
|
|
- { NULL, 70, 1152, 864, 10254, 192, 72, 32, 8, 120, 3,
|
|
- 0, FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 1152x864-72 */
|
|
- { NULL, 72, 1152, 864, 9866, 200, 72, 33, 7, 128, 3,
|
|
- 0, FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 1152x864-75 */
|
|
- { NULL, 75, 1152, 864, 9259, 256, 64, 32, 1, 128, 3,
|
|
- 0, FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 1152x864-85 */
|
|
- { NULL, 85, 1152, 864, 8357, 200, 72, 37, 3, 128, 3,
|
|
- 0, FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 1152x864-90 */
|
|
- { NULL, 90, 1152, 864, 7719, 208, 80, 42, 9, 128, 3,
|
|
- 0, FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 1152x864-100 */
|
|
- { NULL, 100, 1152, 864, 6947, 208, 80, 48, 3, 128, 3,
|
|
- 0, FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 1152x864-60 */
|
|
- { NULL, 60, 1152, 864, 12251, 184, 64, 27, 1, 120, 3,
|
|
- FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
|
|
- FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 1280x1024-60 */
|
|
- { NULL, 60, 1280, 1024, 9262, 248, 48, 38, 1, 112, 3,
|
|
- 0, FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 1280x1024-70 */
|
|
- { NULL, 70, 1280, 1024, 7719, 224, 88, 38, 6, 136, 3,
|
|
- 0, FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 1280x1024-72 */
|
|
- { NULL, 72, 1280, 1024, 7490, 224, 88, 39, 7, 136, 3,
|
|
- 0, FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 1280x1024-75 */
|
|
- { NULL, 75, 1280, 1024, 7409, 248, 16, 38, 1, 144, 3,
|
|
- 0, FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 1280x1024-85 */
|
|
- { NULL, 85, 1280, 1024, 6351, 224, 64, 44, 1, 160, 3,
|
|
- 0, FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 1280x1024-90 */
|
|
- { NULL, 90, 1280, 1024, 5791, 240, 96, 51, 12, 144, 3,
|
|
- 0, FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 1280x1024-100 */
|
|
- { NULL, 100, 1280, 1024, 5212, 240, 96, 57, 6, 144, 3,
|
|
- 0, FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 1280x1024-60 */
|
|
- { NULL, 60, 1280, 1024, 9262, 248, 48, 38, 1, 112, 3,
|
|
- FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
|
|
- FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 1600x1200-60 */
|
|
+ FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
|
|
+ /* 1600x1200-60 VESA */
|
|
{ NULL, 60, 1600, 1200, 6172, 304, 64, 46, 1, 192, 3,
|
|
- 0, FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 1600x1200-70 */
|
|
- { NULL, 70, 1600, 1200, 5291, 304, 64, 46, 1, 192, 3,
|
|
- 0, FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 1600x1200-72 */
|
|
- { NULL, 72, 1600, 1200, 5053, 288, 112, 47, 13, 176, 3,
|
|
- 0, FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 1600x1200-75 */
|
|
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
|
|
+ FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
|
|
+ /* 1600x1200-75 VESA */
|
|
{ NULL, 75, 1600, 1200, 4938, 304, 64, 46, 1, 192, 3,
|
|
- 0, FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 1600x1200-85 */
|
|
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
|
|
+ FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
|
|
+ /* 1600x1200-85 VESA */
|
|
{ NULL, 85, 1600, 1200, 4357, 304, 64, 46, 1, 192, 3,
|
|
- 0, FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 1600x1200-90 */
|
|
- { NULL, 90, 1600, 1200, 3981, 304, 128, 60, 1, 176, 3,
|
|
- 0, FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 1600x1200-100 */
|
|
- { NULL, 100, 1600, 1200, 3563, 304, 128, 67, 1, 176, 3,
|
|
- 0, FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 1600x1200-60 */
|
|
- { NULL, 60, 1600, 1200, 6172, 304, 64, 46, 1, 192, 3,
|
|
FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
|
|
- FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 1920x1440-60 */
|
|
- { NULL, 60, 1920, 1440, 4273, 344, 128, 56, 1, 208, 3,
|
|
- 0, FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 1920x1440-70 */
|
|
- { NULL, 70, 1920, 1440, 3593, 360, 152, 55, 8, 208, 3,
|
|
- 0, FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 1920x1440-72 */
|
|
- { NULL, 72, 1920, 1440, 3472, 360, 152, 68, 4, 208, 3,
|
|
- 0, FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 1920x1440-75 */
|
|
- { NULL, 75, 1920, 1440, 3367, 352, 144, 56, 1, 224, 3,
|
|
- 0, FB_VMODE_NONINTERLACED, 0 },
|
|
- /* 1920x1440-85 */
|
|
- { NULL, 85, 1920, 1440, 2929, 368, 152, 68, 1, 216, 3,
|
|
- 0, FB_VMODE_NONINTERLACED, 0 },
|
|
+ FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
|
|
+ /* 1200x900-75 - CRT timings for the OLPC mode */
|
|
+ { NULL, 75, 1200, 900, 8049, 104, 240, 29, 54, 136, 3,
|
|
+ 0, FB_VMODE_NONINTERLACED, 0 }
|
|
};
|
|
|
|
+#ifdef CONFIG_OLPC
|
|
+const struct fb_videomode olpc_dcon_modedb[] __initdata = {
|
|
+ /* The only mode the DCON has is 1200x900 */
|
|
+ { NULL, 50, 1200, 900, 17460, 24, 8, 4, 5, 8, 3,
|
|
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
|
|
+ FB_VMODE_NONINTERLACED, 0 }
|
|
+};
|
|
+#endif
|
|
+
|
|
static int lxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
|
|
{
|
|
if (var->xres > 1920 || var->yres > 1440)
|
|
@@ -379,16 +278,55 @@ static int __init lxfb_map_video_memory(
|
|
return 0;
|
|
}
|
|
|
|
+static int lxfb_set_gamma(struct fb_info *info, void * __user data)
|
|
+{
|
|
+ unsigned int gamma[LXFB_GAMMA_DWORDS];
|
|
+
|
|
+ if (copy_from_user(gamma, data, LXFB_GAMMA_SIZE))
|
|
+ return -EFAULT;
|
|
+
|
|
+ lx_set_gamma(info, gamma, LXFB_GAMMA_SIZE);
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int lxfb_get_gamma(struct fb_info *info, void * __user data)
|
|
+{
|
|
+ unsigned int gamma[LXFB_GAMMA_DWORDS];
|
|
+ memset(gamma, 0, sizeof(gamma));
|
|
+
|
|
+ lx_get_gamma(info, gamma, LXFB_GAMMA_DWORDS);
|
|
+
|
|
+ return copy_to_user(data, gamma, LXFB_GAMMA_SIZE) ?
|
|
+ -EFAULT : 0;
|
|
+}
|
|
+
|
|
+static int lxfb_ioctl( struct fb_info *info, unsigned int cmd,
|
|
+ unsigned long arg)
|
|
+{
|
|
+ switch(cmd) {
|
|
+ case FBIOSGAMMA:
|
|
+ return lxfb_set_gamma(info, (void * __user) arg);
|
|
+
|
|
+ case FBIOGGAMMA:
|
|
+ return lxfb_get_gamma(info, (void * __user) arg);
|
|
+ }
|
|
+
|
|
+ return -ENOTTY;
|
|
+}
|
|
+
|
|
static struct fb_ops lxfb_ops = {
|
|
.owner = THIS_MODULE,
|
|
.fb_check_var = lxfb_check_var,
|
|
.fb_set_par = lxfb_set_par,
|
|
.fb_setcolreg = lxfb_setcolreg,
|
|
.fb_blank = lxfb_blank,
|
|
+ .fb_ioctl = lxfb_ioctl,
|
|
/* No HW acceleration for now. */
|
|
.fb_fillrect = cfb_fillrect,
|
|
.fb_copyarea = cfb_copyarea,
|
|
.fb_imageblit = cfb_imageblit,
|
|
+ .fb_powerdown = lx_shutdown,
|
|
+ .fb_powerup = lx_powerup,
|
|
};
|
|
|
|
static struct fb_info * __init lxfb_init_fbinfo(struct device *dev)
|
|
@@ -431,6 +369,45 @@ static struct fb_info * __init lxfb_init
|
|
return info;
|
|
}
|
|
|
|
+#ifdef CONFIG_PM
|
|
+
|
|
+static int lxfb_suspend(struct pci_dev *pdev, pm_message_t state)
|
|
+{
|
|
+ struct fb_info *info = pci_get_drvdata(pdev);
|
|
+
|
|
+ if (pdev->dev.power.power_state.event == state.event)
|
|
+ return 0;
|
|
+
|
|
+ if (state.event == PM_EVENT_SUSPEND) {
|
|
+
|
|
+ acquire_console_sem();
|
|
+ lx_shutdown(info);
|
|
+ fb_set_suspend(info, 1);
|
|
+ release_console_sem();
|
|
+ }
|
|
+
|
|
+ pdev->dev.power.power_state = state;
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int lxfb_resume(struct pci_dev *pdev)
|
|
+{
|
|
+ struct fb_info *info = pci_get_drvdata(pdev);
|
|
+
|
|
+ acquire_console_sem();
|
|
+
|
|
+ /* Turn the engine completely on */
|
|
+
|
|
+ lx_powerup(info);
|
|
+ fb_set_suspend(info, 0);
|
|
+ release_console_sem();
|
|
+
|
|
+ pdev->dev.power.power_state = PMSG_ON;
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+#endif
|
|
+
|
|
static int __init lxfb_probe(struct pci_dev *pdev,
|
|
const struct pci_device_id *id)
|
|
{
|
|
@@ -467,6 +444,13 @@ static int __init lxfb_probe(struct pci_
|
|
modedb_ptr = (struct fb_videomode *) geode_modedb;
|
|
modedb_size = ARRAY_SIZE(geode_modedb);
|
|
|
|
+#ifdef CONFIG_OLPC
|
|
+ if (olpc_has_dcon()) {
|
|
+ modedb_ptr = (struct fb_videomode *) olpc_dcon_modedb;
|
|
+ modedb_size = ARRAY_SIZE(olpc_dcon_modedb);
|
|
+ }
|
|
+#endif
|
|
+
|
|
ret = fb_find_mode(&info->var, info, mode_option,
|
|
modedb_ptr, modedb_size, NULL, 16);
|
|
|
|
@@ -556,6 +540,10 @@ static struct pci_driver lxfb_driver = {
|
|
.id_table = lxfb_id_table,
|
|
.probe = lxfb_probe,
|
|
.remove = lxfb_remove,
|
|
+#ifdef CONFIG_PM
|
|
+ .suspend = lxfb_suspend,
|
|
+ .resume = lxfb_resume
|
|
+#endif
|
|
};
|
|
|
|
#ifndef MODULE
|
|
Index: linux-2.6.23.17/drivers/video/geode/lxfb_ops.c
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/drivers/video/geode/lxfb_ops.c
|
|
+++ linux-2.6.23.17/drivers/video/geode/lxfb_ops.c
|
|
@@ -13,9 +13,13 @@
|
|
#include <linux/fb.h>
|
|
#include <linux/uaccess.h>
|
|
#include <linux/delay.h>
|
|
+#include <asm/olpc.h>
|
|
|
|
#include "lxfb.h"
|
|
|
|
+#define _GEODELX_
|
|
+#include "geode_regs.h"
|
|
+
|
|
/* TODO
|
|
* Support panel scaling
|
|
* Add acceleration
|
|
@@ -290,6 +294,19 @@ unsigned int lx_framebuffer_size(void)
|
|
{
|
|
unsigned int val;
|
|
|
|
+#ifdef CONFIG_OLPC
|
|
+ if (machine_is_olpc() && !olpc_has_vsa()) {
|
|
+ u32 hi,lo;
|
|
+ rdmsr(MSR_LX_GLIU0_P2D_RO0, lo, hi);
|
|
+
|
|
+ /* Top page number */
|
|
+ val = ((hi & 0xff) << 12) | ((lo & 0xfff00000) >> 20);
|
|
+ val -= (lo & 0x000fffff); /* Subtract bottom page number */
|
|
+ val += 1; /* Adjust page count */
|
|
+ return (val << 12);
|
|
+ }
|
|
+#endif
|
|
+
|
|
/* The frame buffer size is reported by a VSM in VSA II */
|
|
/* Virtual Register Class = 0x02 */
|
|
/* VG_MEM_SIZE (1MB units) = 0x00 */
|
|
@@ -301,6 +318,34 @@ unsigned int lx_framebuffer_size(void)
|
|
return (val << 20);
|
|
}
|
|
|
|
+void lx_set_gamma(struct fb_info *info, unsigned int *gamma, int len)
|
|
+{
|
|
+ int i;
|
|
+ struct lxfb_par *par = info->par;
|
|
+
|
|
+ writel(0, par->df_regs + DF_PAR);
|
|
+
|
|
+ /* Sequential writes to the data register will increment the
|
|
+ address automatically */
|
|
+
|
|
+ for(i = 0; i < len; i++)
|
|
+ writel(gamma[i] & 0xFFFFFF, par->df_regs + DF_PDR);
|
|
+
|
|
+ writel(readl(par->df_regs + DF_MISC) & ~DF_MISC_GAM_BYPASS,
|
|
+ par->df_regs + DF_MISC);
|
|
+}
|
|
+
|
|
+void lx_get_gamma(struct fb_info *info, unsigned int *gamma, int len)
|
|
+{
|
|
+ int i;
|
|
+ struct lxfb_par *par = info->par;
|
|
+
|
|
+ writel(0, par->df_regs + DF_PAR);
|
|
+
|
|
+ for(i = 0; i < len;i++)
|
|
+ gamma[i] = readl(par->df_regs + DF_PDR);
|
|
+}
|
|
+
|
|
void lx_set_mode(struct fb_info *info)
|
|
{
|
|
struct lxfb_par *par = info->par;
|
|
@@ -313,6 +358,7 @@ void lx_set_mode(struct fb_info *info)
|
|
int vactive, vblankstart, vsyncstart, vsyncend, vblankend, vtotal;
|
|
|
|
/* Unlock the DC registers */
|
|
+ readl(par->dc_regs + DC_UNLOCK);
|
|
writel(DC_UNLOCK_CODE, par->dc_regs + DC_UNLOCK);
|
|
|
|
lx_graphics_disable(info);
|
|
@@ -534,3 +580,285 @@ int lx_blank_display(struct fb_info *inf
|
|
|
|
return 0;
|
|
}
|
|
+
|
|
+static struct geoderegs saved_regs;
|
|
+
|
|
+static void lx_save_regs(struct fb_info *info, struct geoderegs *regs)
|
|
+{
|
|
+ struct lxfb_par *par = info->par;
|
|
+ int i;
|
|
+
|
|
+ /* Wait for the command buffer to empty */
|
|
+ while(!(readl(par->gp_regs + 0x44) & (1 << 4)));
|
|
+
|
|
+ rdmsrl(MSR_LX_DF_PADSEL, regs->msr.padsel);
|
|
+ rdmsrl(MSR_LX_GLCP_DOTPLL, regs->msr.dotpll);
|
|
+ rdmsrl(MSR_LX_DF_GLCONFIG, regs->msr.dfglcfg);
|
|
+ rdmsrl(MSR_LX_DC_SPARE, regs->msr.dcspare);
|
|
+
|
|
+ writel(0x4758, par->dc_regs + 0x00);
|
|
+
|
|
+ memcpy(regs->gp.b, par->gp_regs, GP_REG_SIZE);
|
|
+ memcpy(regs->dc.b, par->dc_regs, DC_REG_SIZE);
|
|
+ memcpy(regs->vp.b, par->df_regs, VP_REG_SIZE);
|
|
+ memcpy(regs->fp.b, par->df_regs + VP_FP_START, FP_REG_SIZE);
|
|
+
|
|
+ /* Save the palettes */
|
|
+ writel(0, par->dc_regs + 0x70);
|
|
+
|
|
+ for(i = 0; i < DC_PAL_SIZE; i++)
|
|
+ regs->pal[i] = readl(par->dc_regs + 0x74);
|
|
+
|
|
+ writel(0, par->df_regs + 0x38);
|
|
+
|
|
+ for(i = 0; i <= 0xFF; i++)
|
|
+ regs->gamma[i] = readl(par->df_regs + 0x40);
|
|
+}
|
|
+
|
|
+static void lx_restore_regs(struct fb_info *info, struct geoderegs *regs)
|
|
+{
|
|
+ struct lxfb_par *par = info->par;
|
|
+ u32 val, i;
|
|
+
|
|
+ /* == DOTPLL == */
|
|
+
|
|
+ lx_set_dotpll((u32) (regs->msr.dotpll >> 32));
|
|
+
|
|
+ /* MSRs */
|
|
+
|
|
+ wrmsrl(MSR_LX_DF_GLCONFIG, regs->msr.dfglcfg);
|
|
+
|
|
+ /* == GP == */
|
|
+
|
|
+ writel(regs->gp.r.dst_offset, par->gp_regs + 0x00);
|
|
+ writel(regs->gp.r.src_offset, par->gp_regs + 0x04);
|
|
+ writel(regs->gp.r.stride, par->gp_regs + 0x08);
|
|
+ writel(regs->gp.r.wid_height, par->gp_regs + 0x0C);
|
|
+ writel(regs->gp.r.src_color_fg, par->gp_regs + 0x10);
|
|
+ writel(regs->gp.r.src_color_bg, par->gp_regs + 0x14);
|
|
+ writel(regs->gp.r.pat_color_0, par->gp_regs + 0x18);
|
|
+ writel(regs->gp.r.pat_color_1, par->gp_regs + 0x1C);
|
|
+ writel(regs->gp.r.pat_color_2, par->gp_regs + 0x20);
|
|
+ writel(regs->gp.r.pat_color_3, par->gp_regs + 0x24);
|
|
+ writel(regs->gp.r.pat_color_4, par->gp_regs + 0x28);
|
|
+ writel(regs->gp.r.pat_color_5, par->gp_regs + 0x2C);
|
|
+ writel(regs->gp.r.pat_data_0, par->gp_regs + 0x30);
|
|
+ writel(regs->gp.r.pat_data_1, par->gp_regs + 0x34);
|
|
+
|
|
+ /* Writing to these registers would cause a blt to happen */
|
|
+ /* 0x38, 0x3c, 0x40 */
|
|
+
|
|
+ /* Status register (0x44) is read only */
|
|
+
|
|
+ writel(regs->gp.r.hst_src, par->gp_regs + 0x48);
|
|
+ writel(regs->gp.r.base_offset, par->gp_regs + 0x4c);
|
|
+ writel(regs->gp.r.cmd_top, par->gp_regs + 0x50);
|
|
+ writel(regs->gp.r.cmd_bot, par->gp_regs + 0x54);
|
|
+ writel(regs->gp.r.cmd_read, par->gp_regs + 0x58);
|
|
+ writel(regs->gp.r.cmd_write, par->gp_regs + 0x5C);
|
|
+ writel(regs->gp.r.ch3_offset, par->gp_regs + 0x60);
|
|
+ writel(regs->gp.r.ch3_mode_str, par->gp_regs + 0x64);
|
|
+ writel(regs->gp.r.ch3_width, par->gp_regs + 0x6C);
|
|
+ writel(regs->gp.r.ch3_hsrc, par->gp_regs + 0x70);
|
|
+
|
|
+ /* FIXME: Restore the LUT data here */
|
|
+
|
|
+ writel(regs->gp.r.int_cntrl, par->gp_regs + 0x70);
|
|
+
|
|
+ /* == DC == */
|
|
+
|
|
+ /* Write the unlock value */
|
|
+ writel(0x4758, par->dc_regs + 0x00);
|
|
+
|
|
+ /* Write the palette data first */
|
|
+
|
|
+ writel(0, par->dc_regs + 0x70);
|
|
+
|
|
+ for(i = 0; i < DC_PAL_SIZE; i++)
|
|
+ writel(regs->pal[i], par->dc_regs + 0x74);
|
|
+
|
|
+ /* MSRs */
|
|
+ wrmsrl(MSR_LX_DC_SPARE, regs->msr.dcspare);
|
|
+
|
|
+ /* Write the gcfg register without the enables */
|
|
+ writel(regs->dc.r.gcfg & ~0x0F, par->dc_regs + 0x04);
|
|
+
|
|
+ /* Write the vcfg register without the enables */
|
|
+ writel(regs->dc.r.dcfg & ~0x19, par->dc_regs + 0x08);
|
|
+
|
|
+ /* Write the rest of the active registers */
|
|
+ writel(regs->dc.r.arb, par->dc_regs + 0x0C);
|
|
+ writel(regs->dc.r.fb_st_offset, par->dc_regs + 0x10);
|
|
+ writel(regs->dc.r.cb_st_offset, par->dc_regs + 0x14);
|
|
+ writel(regs->dc.r.curs_st_offset, par->dc_regs + 0x18);
|
|
+ writel(regs->dc.r.icon_st_offset, par->dc_regs + 0x1C);
|
|
+ writel(regs->dc.r.vid_y_st_offset, par->dc_regs + 0x20);
|
|
+ writel(regs->dc.r.vid_u_st_offset, par->dc_regs + 0x24);
|
|
+ writel(regs->dc.r.vid_v_st_offset, par->dc_regs + 0x28);
|
|
+ writel(regs->dc.r.dctop, par->dc_regs + 0x2c);
|
|
+ writel(regs->dc.r.line_size, par->dc_regs + 0x30);
|
|
+ writel(regs->dc.r.gfx_pitch, par->dc_regs + 0x34);
|
|
+ writel(regs->dc.r.vid_yuv_pitch, par->dc_regs + 0x38);
|
|
+ writel(regs->dc.r.h_active_timing, par->dc_regs + 0x40);
|
|
+ writel(regs->dc.r.h_blank_timing, par->dc_regs + 0x44);
|
|
+ writel(regs->dc.r.h_sync_timing, par->dc_regs + 0x48);
|
|
+ writel(regs->dc.r.v_active_timing, par->dc_regs + 0x50);
|
|
+ writel(regs->dc.r.v_blank_timing, par->dc_regs + 0x54);
|
|
+ writel(regs->dc.r.v_sync_timing, par->dc_regs + 0x58);
|
|
+ writel(regs->dc.r.fbactive, par->dc_regs + 0x5c);
|
|
+ writel(regs->dc.r.dc_cursor_x, par->dc_regs + 0x60);
|
|
+ writel(regs->dc.r.dc_cursor_y, par->dc_regs + 0x64);
|
|
+ writel(regs->dc.r.dc_icon_x, par->dc_regs + 0x68);
|
|
+
|
|
+ /* Skip register 0x6C (line_cnt), 0x70/0x74 (palette),
|
|
+ 0x78 (diagnostic), and 0x7c (diagnostic)
|
|
+ */
|
|
+
|
|
+ writel(regs->dc.r.dc_vid_ds_delta, par->dc_regs + 0x80);
|
|
+ writel(regs->dc.r.gliu0_mem_offset, par->dc_regs + 0x84);
|
|
+ writel(regs->dc.r.dv_ctl, par->dc_regs + 0x88);
|
|
+ writel(regs->dc.r.dv_acc, par->dc_regs + 0x8C);
|
|
+
|
|
+ writel(regs->dc.r.gfx_scale, par->dc_regs + 0x90);
|
|
+ writel(regs->dc.r.irq_filt_ctl, par->dc_regs + 0x94);
|
|
+ writel(regs->dc.r.filt_coeff1, par->dc_regs + 0x98);
|
|
+ writel(regs->dc.r.filt_coeff2, par->dc_regs + 0x9C);
|
|
+ writel(regs->dc.r.vbi_event_ctl, par->dc_regs + 0xA0);
|
|
+
|
|
+ writel(regs->dc.r.vbi_odd_ctl, par->dc_regs + 0xA4);
|
|
+ writel(regs->dc.r.vbi_hor, par->dc_regs + 0xA8);
|
|
+ writel(regs->dc.r.vbi_ln_odd, par->dc_regs + 0xAC);
|
|
+ writel(regs->dc.r.vbi_ln_event, par->dc_regs + 0xB0);
|
|
+ writel(regs->dc.r.vbi_pitch, par->dc_regs + 0xB4);
|
|
+ writel(regs->dc.r.clr_key, par->dc_regs + 0xB8);
|
|
+ writel(regs->dc.r.clr_key_mask, par->dc_regs + 0xBC);
|
|
+
|
|
+ writel(regs->dc.r.clr_key_x, par->dc_regs + 0xC0);
|
|
+ writel(regs->dc.r.clr_key_y, par->dc_regs + 0xC4);
|
|
+ writel(regs->dc.r.irq, par->dc_regs + 0xC8);
|
|
+ writel(regs->dc.r.genlk_ctrl, par->dc_regs + 0xD4);
|
|
+
|
|
+ writel(regs->dc.r.vid_even_y_st_offset, par->dc_regs + 0xD8);
|
|
+ writel(regs->dc.r.vid_even_u_st_offset, par->dc_regs + 0xDC);
|
|
+ writel(regs->dc.r.vid_even_v_st_offset, par->dc_regs + 0xE0);
|
|
+
|
|
+ writel(regs->dc.r.v_active_even_timing, par->dc_regs + 0xE4);
|
|
+ writel(regs->dc.r.v_blank_even_timing, par->dc_regs + 0xE8);
|
|
+ writel(regs->dc.r.v_sync_even_timing, par->dc_regs + 0xEC);
|
|
+
|
|
+ /* == VP == */
|
|
+
|
|
+ /* MSR */
|
|
+ wrmsrl(MSR_LX_DF_PADSEL, regs->msr.padsel);
|
|
+
|
|
+ /* Write gamma information first */
|
|
+
|
|
+ writel(0, par->df_regs + 0x38);
|
|
+
|
|
+ for(i = 0; i <= 0xFF; i++)
|
|
+ writel((u32) regs->gamma[i], par->df_regs + 0x40);
|
|
+
|
|
+ /* Don't enable video yet */
|
|
+ writel((u32) regs->vp.r.vcfg & ~0x01, par->df_regs + 0x00);
|
|
+
|
|
+ /* Don't enable the CRT yet */
|
|
+ writel((u32) regs->vp.r.dcfg & ~0x0F, par->df_regs + 0x08);
|
|
+
|
|
+ /* Write the rest of the VP registers */
|
|
+
|
|
+ writel((u32) regs->vp.r.vx, par->df_regs + 0x10);
|
|
+ writel((u32) regs->vp.r.vy, par->df_regs + 0x18);
|
|
+ writel((u32) regs->vp.r.vs, par->df_regs + 0x20);
|
|
+ writel((u32) regs->vp.r.vck, par->df_regs + 0x28);
|
|
+ writel((u32) regs->vp.r.vcm, par->df_regs + 0x30);
|
|
+ writel((u32) regs->vp.r.misc, par->df_regs + 0x50);
|
|
+ writel((u32) regs->vp.r.ccs, par->df_regs + 0x58);
|
|
+ writel((u32) regs->vp.r.vdc, par->df_regs + 0x78);
|
|
+ writel((u32) regs->vp.r.vco, par->df_regs + 0x80);
|
|
+ writel((u32) regs->vp.r.crc, par->df_regs + 0x88);
|
|
+ writel((u32) regs->vp.r.vde, par->df_regs + 0x98);
|
|
+ writel((u32) regs->vp.r.cck, par->df_regs + 0xA0);
|
|
+ writel((u32) regs->vp.r.ccm, par->df_regs + 0xA8);
|
|
+ writel((u32) regs->vp.r.cc1, par->df_regs + 0xB0);
|
|
+ writel((u32) regs->vp.r.cc2, par->df_regs + 0xB8);
|
|
+ writel((u32) regs->vp.r.a1x, par->df_regs + 0xC0);
|
|
+ writel((u32) regs->vp.r.a1y, par->df_regs + 0xC8);
|
|
+ writel((u32) regs->vp.r.a1c, par->df_regs + 0xD0);
|
|
+ writel((u32) regs->vp.r.a1t, par->df_regs + 0xD8);
|
|
+ writel((u32) regs->vp.r.a2x, par->df_regs + 0xE0);
|
|
+ writel((u32) regs->vp.r.a2y, par->df_regs + 0xE8);
|
|
+ writel((u32) regs->vp.r.a2c, par->df_regs + 0xF0);
|
|
+ writel((u32) regs->vp.r.a2t, par->df_regs + 0xF8);
|
|
+ writel((u32) regs->vp.r.a3x, par->df_regs + 0x100);
|
|
+ writel((u32) regs->vp.r.a3y, par->df_regs + 0x108);
|
|
+ writel((u32) regs->vp.r.a3c, par->df_regs + 0x110);
|
|
+ writel((u32) regs->vp.r.a3t, par->df_regs + 0x118);
|
|
+ writel((u32) regs->vp.r.vrr, par->df_regs + 0x120);
|
|
+
|
|
+ writel((u32) regs->vp.r.vye, par->df_regs + 0x138);
|
|
+ writel((u32) regs->vp.r.a1ye, par->df_regs + 0x140);
|
|
+ writel((u32) regs->vp.r.a2ye, par->df_regs + 0x148);
|
|
+ writel((u32) regs->vp.r.a3ye, par->df_regs + 0x150);
|
|
+
|
|
+ /* == FP == */
|
|
+
|
|
+ writel((u32) regs->fp.r.pt1, par->df_regs + 0x400);
|
|
+ writel((u32) regs->fp.r.pt2, par->df_regs + 0x408);
|
|
+ writel((u32) regs->fp.r.dfc, par->df_regs + 0x418);
|
|
+ writel(regs->fp.r.dca, par->df_regs + 0x448);
|
|
+ writel(regs->fp.r.dmd, par->df_regs + 0x450);
|
|
+ writel(regs->fp.r.crc, par->df_regs + 0x458);
|
|
+
|
|
+ /* Final enables */
|
|
+
|
|
+ val = readl(par->df_regs + 0x410);
|
|
+
|
|
+ /* Control the panel */
|
|
+ if (regs->fp.r.pm & (1 << 24)) {
|
|
+
|
|
+ if (!(val & 0x09))
|
|
+ writel(regs->fp.r.pm, par->df_regs + 0x410);
|
|
+ }
|
|
+ else {
|
|
+ if (!(val & 0x05))
|
|
+ writel(regs->fp.r.pm, par->df_regs + 0x410);
|
|
+ }
|
|
+
|
|
+ /* Turn everything on */
|
|
+
|
|
+ writel(regs->dc.r.gcfg, par->dc_regs + 0x04);
|
|
+ writel((u32) regs->vp.r.vcfg, par->df_regs + 0x00);
|
|
+ writel((u32) regs->vp.r.dcfg, par->df_regs + 0x08);
|
|
+ writel(regs->dc.r.dcfg, par->dc_regs + 0x08);
|
|
+}
|
|
+
|
|
+static int lx_power_on = 1;
|
|
+
|
|
+int lx_shutdown(struct fb_info *info)
|
|
+{
|
|
+ struct lxfb_par *par = info->par;
|
|
+
|
|
+ if (lx_power_on == 0)
|
|
+ return 0;
|
|
+
|
|
+ writel(DC_UNLOCK_CODE, par->dc_regs + DC_UNLOCK);
|
|
+ lx_save_regs(info, &saved_regs);
|
|
+ lx_graphics_disable(info);
|
|
+
|
|
+ lx_power_on = 0;
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+int lx_powerup(struct fb_info *info)
|
|
+{
|
|
+ struct lxfb_par *par = info->par;
|
|
+
|
|
+ if (lx_power_on == 1)
|
|
+ return 0;
|
|
+
|
|
+ lx_restore_regs(info, &saved_regs);
|
|
+ writel(0, par->dc_regs + DC_UNLOCK);
|
|
+
|
|
+ lx_power_on = 1;
|
|
+ return 0;
|
|
+}
|
|
Index: linux-2.6.23.17/drivers/video/geode/video_gx.c
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/drivers/video/geode/video_gx.c
|
|
+++ linux-2.6.23.17/drivers/video/geode/video_gx.c
|
|
@@ -16,10 +16,14 @@
|
|
#include <asm/io.h>
|
|
#include <asm/delay.h>
|
|
#include <asm/msr.h>
|
|
+#include <asm/olpc.h>
|
|
|
|
#include "geodefb.h"
|
|
#include "video_gx.h"
|
|
+#include "display_gx.h"
|
|
|
|
+/* This structure is used to store the saved registers during suspend */
|
|
+static struct geoderegs gx_saved_regs;
|
|
|
|
/*
|
|
* Tables of register settings for various DOTCLKs.
|
|
@@ -58,7 +62,7 @@ static const struct gx_pll_entry gx_pll_
|
|
{ 13888, POSTDIV3, 0x000007E1 }, /* 72.0000 */
|
|
{ 13426, PREMULT2, 0x00000F4A }, /* 74.4810 */
|
|
{ 13333, 0, 0x00000052 }, /* 75.0000 */
|
|
- { 12698, 0, 0x00000056 }, /* 78.7500 */
|
|
+ { 12698, 0, 0x00000056 }, /* 78.7500 */
|
|
{ 12500, POSTDIV3|PREMULT2, 0x00000709 }, /* 80.0000 */
|
|
{ 11135, PREMULT2, 0x00000262 }, /* 89.8000 */
|
|
{ 10582, 0, 0x000002D2 }, /* 94.5000 */
|
|
@@ -117,8 +121,9 @@ static const struct gx_pll_entry gx_pll_
|
|
{ 4357, 0, 0x0000057D }, /* 229.5000 */
|
|
};
|
|
|
|
-static void gx_set_dclk_frequency(struct fb_info *info)
|
|
+void gx_set_dclk_frequency(struct fb_info *info)
|
|
{
|
|
+ struct geodefb_par *par = info->par;
|
|
const struct gx_pll_entry *pll_table;
|
|
int pll_table_len;
|
|
int i, best_i;
|
|
@@ -173,115 +178,169 @@ static void gx_set_dclk_frequency(struct
|
|
do {
|
|
rdmsrl(MSR_GLCP_DOTPLL, dotpll);
|
|
} while (timeout-- && !(dotpll & MSR_GLCP_DOTPLL_LOCK));
|
|
+
|
|
+ par->curdclk = pll_table[best_i].dotpll_value;
|
|
}
|
|
|
|
-static void
|
|
-gx_configure_tft(struct fb_info *info)
|
|
+/* Find out the current clock - we will use this information to avoid
|
|
+ re-programming it if we don't need to */
|
|
+
|
|
+unsigned int gx_get_dclk(struct fb_info *info)
|
|
{
|
|
- struct geodefb_par *par = info->par;
|
|
- unsigned long val;
|
|
- unsigned long fp;
|
|
+ const struct gx_pll_entry *pll_table;
|
|
+ int pll_table_len;
|
|
+ u64 dotpll;
|
|
+ int i;
|
|
|
|
- /* Set up the DF pad select MSR */
|
|
+ if (cpu_data->x86_mask == 1) {
|
|
+ pll_table = gx_pll_table_14MHz;
|
|
+ pll_table_len = ARRAY_SIZE(gx_pll_table_14MHz);
|
|
+ } else {
|
|
+ pll_table = gx_pll_table_48MHz;
|
|
+ pll_table_len = ARRAY_SIZE(gx_pll_table_48MHz);
|
|
+ }
|
|
|
|
- rdmsrl(GX_VP_MSR_PAD_SELECT, val);
|
|
- val &= ~GX_VP_PAD_SELECT_MASK;
|
|
- val |= GX_VP_PAD_SELECT_TFT;
|
|
- wrmsrl(GX_VP_MSR_PAD_SELECT, val);
|
|
+ rdmsrl(MSR_GLCP_DOTPLL, dotpll);
|
|
|
|
- /* Turn off the panel */
|
|
+ for(i = 0; i < pll_table_len; i++) {
|
|
+ if (pll_table[i].dotpll_value == (u32) (dotpll >> 32))
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ return (i == pll_table_len) ? 0 : pll_table[i].pixclock;
|
|
+}
|
|
|
|
- fp = readl(par->vid_regs + GX_FP_PM);
|
|
- fp &= ~GX_FP_PM_P;
|
|
- writel(fp, par->vid_regs + GX_FP_PM);
|
|
|
|
- /* Set timing 1 */
|
|
+#define CMP(val, mask, res) (((val) & (mask)) == (res))
|
|
|
|
- fp = readl(par->vid_regs + GX_FP_PT1);
|
|
- fp &= GX_FP_PT1_VSIZE_MASK;
|
|
- fp |= info->var.yres << GX_FP_PT1_VSIZE_SHIFT;
|
|
- writel(fp, par->vid_regs + GX_FP_PT1);
|
|
+static void
|
|
+gx_configure_tft(struct fb_info *info) {
|
|
|
|
- /* Timing 2 */
|
|
- /* Set bits that are always on for TFT */
|
|
+ struct geodefb_par *par = info->par;
|
|
+ u32 val, fp = 0, fp1, fp2, sync = 0;
|
|
|
|
- fp = 0x0F100000;
|
|
+ /* Set up the DF pad select MSR */
|
|
|
|
- /* Add sync polarity */
|
|
+ rdmsrl(GX_VP_MSR_PAD_SELECT, val);
|
|
+
|
|
+ if ((val & GX_VP_PAD_SELECT_MASK) != GX_VP_PAD_SELECT_TFT) {
|
|
+ val &= ~GX_VP_PAD_SELECT_MASK;
|
|
+ val |= GX_VP_PAD_SELECT_TFT;
|
|
+ wrmsrl(GX_VP_MSR_PAD_SELECT, val);
|
|
+ }
|
|
|
|
if (!(info->var.sync & FB_SYNC_VERT_HIGH_ACT))
|
|
- fp |= GX_FP_PT2_VSP;
|
|
+ sync |= GX_FP_PT2_VSP;
|
|
|
|
if (!(info->var.sync & FB_SYNC_HOR_HIGH_ACT))
|
|
- fp |= GX_FP_PT2_HSP;
|
|
+ sync |= GX_FP_PT2_HSP;
|
|
|
|
- writel(fp, par->vid_regs + GX_FP_PT2);
|
|
+ /* We only need to turn off the panel if something changed */
|
|
|
|
- /* Set the dither control */
|
|
- writel(0x70, par->vid_regs + GX_FP_DFC);
|
|
+ fp1 = readl(par->vid_regs + GX_FP_PT1);
|
|
+ fp2 = readl(par->vid_regs + GX_FP_PT2);
|
|
+
|
|
+ if (!CMP(fp1, GX_FP_PT1_VSIZE_MASK, info->var.yres << GX_FP_PT1_VSIZE_SHIFT) ||
|
|
+ (fp2 != (0x0F100000 | sync))) {
|
|
+
|
|
+ /* Turn off the panel */
|
|
+
|
|
+#ifdef NOTUSED
|
|
+ /* Do we really need to turn off the panel? */
|
|
+ /* Possibly - we have a glitch somewhere */
|
|
|
|
- /* Enable the FP data and power (in case the BIOS didn't) */
|
|
+ fp = readl(par->vid_regs + GX_FP_PM);
|
|
+ fp &= ~GX_FP_PM_P;
|
|
+ writel(fp, par->vid_regs + GX_FP_PM);
|
|
+#endif
|
|
|
|
- fp = readl(par->vid_regs + GX_DCFG);
|
|
- fp |= GX_DCFG_FP_PWR_EN | GX_DCFG_FP_DATA_EN;
|
|
- writel(fp, par->vid_regs + GX_DCFG);
|
|
+ /* Timing 1 */
|
|
+ fp1 &= GX_FP_PT1_VSIZE_MASK;
|
|
+ fp1 |= info->var.yres << GX_FP_PT1_VSIZE_SHIFT;
|
|
+ writel(fp, par->vid_regs + GX_FP_PT1);
|
|
|
|
- /* Unblank the panel */
|
|
+ /* Timing 2 */
|
|
+ writel(0x0F100000 | sync, par->vid_regs + GX_FP_PT2);
|
|
+ }
|
|
+
|
|
+ /* Set the dither control */
|
|
+ if (readl(par->vid_regs + GX_FP_DFC) != 0x70) {
|
|
+ writel(0x70, par->vid_regs + GX_FP_DFC);
|
|
+ }
|
|
+
|
|
+ /* Turn on the panel */
|
|
|
|
fp = readl(par->vid_regs + GX_FP_PM);
|
|
- fp |= GX_FP_PM_P;
|
|
- writel(fp, par->vid_regs + GX_FP_PM);
|
|
+
|
|
+ if (!(fp & 0x09))
|
|
+ writel(fp | GX_FP_PM_P, par->vid_regs + GX_FP_PM);
|
|
}
|
|
|
|
+#define DCFG_DEFAULT_VAL GX_DCFG_CRT_SYNC_SKW_DFLT | GX_DCFG_HSYNC_EN | GX_DCFG_VSYNC_EN | \
|
|
+GX_DCFG_CRT_EN | GX_DCFG_DAC_BL_EN
|
|
+
|
|
static void gx_configure_display(struct fb_info *info)
|
|
{
|
|
struct geodefb_par *par = info->par;
|
|
- u32 dcfg, misc;
|
|
+ u32 dcfg, misc, sync = 0;
|
|
|
|
/* Set up the MISC register */
|
|
-
|
|
misc = readl(par->vid_regs + GX_MISC);
|
|
|
|
- /* Power up the DAC */
|
|
- misc &= ~(GX_MISC_A_PWRDN | GX_MISC_DAC_PWRDN);
|
|
+ /* We leave gamma enabled if it was already enabled.
|
|
+ Although the hardware enables it without setting
|
|
+ up the gamma table, the BIOS or bootloader ought
|
|
+ to have either disabled it or loaded a table by now */
|
|
|
|
- /* Disable gamma correction */
|
|
- misc |= GX_MISC_GAM_EN;
|
|
|
|
- writel(misc, par->vid_regs + GX_MISC);
|
|
|
|
- /* Write the display configuration */
|
|
- dcfg = readl(par->vid_regs + GX_DCFG);
|
|
+ if (par->enable_crt) {
|
|
+ /* Power up the CRT DACs */
|
|
+ if (misc & ( GX_MISC_A_PWRDN | GX_MISC_DAC_PWRDN)) {
|
|
+ misc &= ~(GX_MISC_A_PWRDN | GX_MISC_DAC_PWRDN);
|
|
+ writel(misc, par->vid_regs + GX_MISC);
|
|
+ }
|
|
|
|
- /* Disable hsync and vsync */
|
|
- dcfg &= ~(GX_DCFG_VSYNC_EN | GX_DCFG_HSYNC_EN);
|
|
- writel(dcfg, par->vid_regs + GX_DCFG);
|
|
+ if (!(info->var.sync & FB_SYNC_HOR_HIGH_ACT))
|
|
+ sync |= GX_DCFG_CRT_HSYNC_POL;
|
|
|
|
- /* Clear bits from existing mode. */
|
|
- dcfg &= ~(GX_DCFG_CRT_SYNC_SKW_MASK
|
|
- | GX_DCFG_CRT_HSYNC_POL | GX_DCFG_CRT_VSYNC_POL
|
|
- | GX_DCFG_VSYNC_EN | GX_DCFG_HSYNC_EN);
|
|
+ if (!(info->var.sync & FB_SYNC_VERT_HIGH_ACT))
|
|
+ sync |= GX_DCFG_CRT_VSYNC_POL;
|
|
+ }
|
|
+ else {
|
|
+ /* Turn off the CRT DACs in FP mode - we don't need them */
|
|
+ if ((misc & (GX_MISC_A_PWRDN | GX_MISC_DAC_PWRDN))) {
|
|
+ misc |= (GX_MISC_A_PWRDN | GX_MISC_DAC_PWRDN);
|
|
+ writel(misc, par->vid_regs + GX_MISC);
|
|
+ }
|
|
+ }
|
|
|
|
- /* Set default sync skew. */
|
|
- dcfg |= GX_DCFG_CRT_SYNC_SKW_DFLT;
|
|
+ /* Write the display configuration */
|
|
+ dcfg = readl(par->vid_regs + GX_DCFG);
|
|
|
|
- /* Enable hsync and vsync. */
|
|
- dcfg |= GX_DCFG_HSYNC_EN | GX_DCFG_VSYNC_EN;
|
|
+ if (!CMP(dcfg, DCFG_DEFAULT_VAL | GX_DCFG_CRT_HSYNC_POL | GX_DCFG_CRT_VSYNC_POL,
|
|
+ DCFG_DEFAULT_VAL | sync)) {
|
|
|
|
- /* Sync polarities. */
|
|
- if (info->var.sync & FB_SYNC_HOR_HIGH_ACT)
|
|
- dcfg |= GX_DCFG_CRT_HSYNC_POL;
|
|
- if (info->var.sync & FB_SYNC_VERT_HIGH_ACT)
|
|
- dcfg |= GX_DCFG_CRT_VSYNC_POL;
|
|
+ /* Disable hsync and vsync */
|
|
+ dcfg &= ~(GX_DCFG_VSYNC_EN | GX_DCFG_HSYNC_EN);
|
|
+ writel(dcfg, par->vid_regs + GX_DCFG);
|
|
|
|
- /* Enable the display logic */
|
|
- /* Set up the DACS to blank normally */
|
|
+ /* Clear bits from existing mode. */
|
|
+ dcfg &= ~(GX_DCFG_CRT_SYNC_SKW_MASK
|
|
+ | GX_DCFG_CRT_HSYNC_POL | GX_DCFG_CRT_VSYNC_POL
|
|
+ | GX_DCFG_VSYNC_EN | GX_DCFG_HSYNC_EN);
|
|
|
|
- dcfg |= GX_DCFG_CRT_EN | GX_DCFG_DAC_BL_EN;
|
|
+ /* Set default sync skew. */
|
|
+ dcfg |= GX_DCFG_CRT_SYNC_SKW_DFLT;
|
|
|
|
- /* Enable the external DAC VREF? */
|
|
+ /* Enable hsync and vsync. */
|
|
+ dcfg |= GX_DCFG_HSYNC_EN | GX_DCFG_VSYNC_EN;
|
|
|
|
- writel(dcfg, par->vid_regs + GX_DCFG);
|
|
+ /* Enable the display logic */
|
|
+ dcfg |= GX_DCFG_CRT_EN | GX_DCFG_DAC_BL_EN;
|
|
+
|
|
+ writel(dcfg, par->vid_regs + GX_DCFG);
|
|
+ }
|
|
|
|
/* Set up the flat panel (if it is enabled) */
|
|
|
|
@@ -289,6 +348,100 @@ static void gx_configure_display(struct
|
|
gx_configure_tft(info);
|
|
}
|
|
|
|
+int gxfb_powerdown(struct fb_info *info)
|
|
+{
|
|
+ struct geodefb_par *par = info->par;
|
|
+
|
|
+ /* We're already suspended */
|
|
+
|
|
+ if (par->state != FB_POWER_STATE_ON)
|
|
+ return 0;
|
|
+
|
|
+ /* Save the registers */
|
|
+ gx_save_regs(info, &gx_saved_regs);
|
|
+
|
|
+ /* Shut down the engine */
|
|
+
|
|
+ writel(gx_saved_regs.vp.r.vcfg & ~0x01, par->vid_regs + GX_VCFG);
|
|
+ writel(gx_saved_regs.vp.r.dcfg & ~0x0F, par->vid_regs + GX_DCFG);
|
|
+
|
|
+ /* Turn off the flat panel unless we are attached to a DCON */
|
|
+ if (!olpc_has_dcon())
|
|
+ writel(gx_saved_regs.fp.r.pm & ~GX_FP_PM_P, par->vid_regs + GX_FP_PM);
|
|
+
|
|
+ writel(0x4758, par->dc_regs + DC_UNLOCK);
|
|
+
|
|
+ writel(gx_saved_regs.dc.r.gcfg & ~0x0F,
|
|
+ par->dc_regs + DC_GENERAL_CFG);
|
|
+
|
|
+ writel(gx_saved_regs.dc.r.dcfg & ~0x19,
|
|
+ par->dc_regs + DC_DISPLAY_CFG);
|
|
+
|
|
+ par->state = FB_POWER_STATE_SUSPEND;
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+int gxfb_powerup(struct fb_info *info)
|
|
+{
|
|
+ struct geodefb_par *par = info->par;
|
|
+ u32 val;
|
|
+
|
|
+ if (par->state == FB_POWER_STATE_SUSPEND) {
|
|
+
|
|
+ writel(gx_saved_regs.dc.r.dcfg,
|
|
+ par->dc_regs + DC_DISPLAY_CFG);
|
|
+
|
|
+ writel(gx_saved_regs.vp.r.vcfg, par->vid_regs + GX_VCFG);
|
|
+ writel(gx_saved_regs.vp.r.dcfg, par->vid_regs + GX_DCFG);
|
|
+
|
|
+ val = readl(par->vid_regs + GX_FP_PM);
|
|
+
|
|
+ /* power up the panel if it needs it; we don't always power it down */
|
|
+ if (!(val & 0x09)) {
|
|
+ writel(gx_saved_regs.fp.r.pm, par->vid_regs + GX_FP_PM);
|
|
+ mdelay(64);
|
|
+ }
|
|
+ }
|
|
+
|
|
+ /* If the panel is currently on its way up, then wait up to 100ms
|
|
+ for it */
|
|
+
|
|
+ if (readl(par->vid_regs + GX_FP_PM) & 0x08) {
|
|
+ int i;
|
|
+
|
|
+ for(i = 0; i < 10; i++) {
|
|
+ if (readl(par->vid_regs + GX_FP_PM) & 0x01)
|
|
+ break;
|
|
+
|
|
+ mdelay(10);
|
|
+ }
|
|
+
|
|
+ if (i == 10)
|
|
+ printk(KERN_ERR "gxfb: Panel power up timed out\n");
|
|
+ }
|
|
+
|
|
+ if (par->state == FB_POWER_STATE_ON)
|
|
+ return 0;
|
|
+
|
|
+ switch(par->state) {
|
|
+ case FB_POWER_STATE_OFF:
|
|
+ gx_restore_regs(info, &gx_saved_regs);
|
|
+ break;
|
|
+
|
|
+ case FB_POWER_STATE_SUSPEND:
|
|
+ /* Do this because it will turn on the FIFO which will
|
|
+ start the line count */
|
|
+ writel(gx_saved_regs.dc.r.gcfg,
|
|
+ par->dc_regs + DC_GENERAL_CFG);
|
|
+ writel(0x0, par->dc_regs + DC_UNLOCK);
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ par->state = FB_POWER_STATE_ON;
|
|
+ return 0;
|
|
+}
|
|
+
|
|
static int gx_blank_display(struct fb_info *info, int blank_mode)
|
|
{
|
|
struct geodefb_par *par = info->par;
|
|
@@ -315,6 +468,7 @@ static int gx_blank_display(struct fb_in
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
+
|
|
dcfg = readl(par->vid_regs + GX_DCFG);
|
|
dcfg &= ~(GX_DCFG_DAC_BL_EN
|
|
| GX_DCFG_HSYNC_EN | GX_DCFG_VSYNC_EN);
|
|
@@ -326,7 +480,7 @@ static int gx_blank_display(struct fb_in
|
|
dcfg |= GX_DCFG_VSYNC_EN;
|
|
writel(dcfg, par->vid_regs + GX_DCFG);
|
|
|
|
- /* Power on/off flat panel. */
|
|
+ /* Power on/off flat panel */
|
|
|
|
if (par->enable_crt == 0) {
|
|
fp_pm = readl(par->vid_regs + GX_FP_PM);
|
|
@@ -340,8 +494,37 @@ static int gx_blank_display(struct fb_in
|
|
return 0;
|
|
}
|
|
|
|
+extern struct fb_info *gxfb_info;
|
|
+
|
|
+/* This function controls the flatpanel power sequencing - this is used
|
|
+ by the OLPC power management engine to enable the FP sequencing much
|
|
+ earlier in the resume process
|
|
+*/
|
|
+
|
|
+void gxfb_flatpanel_control(int state)
|
|
+{
|
|
+ struct geodefb_par *par = gxfb_info->par;
|
|
+ u32 val, fp = readl(par->vid_regs + GX_FP_PM);
|
|
+ val = fp;
|
|
+
|
|
+ /* Turn on the panel if it isn't aleady */
|
|
+
|
|
+ if (state) {
|
|
+ if (!(val & 0x01))
|
|
+ val |= GX_FP_PM_P;
|
|
+ }
|
|
+ else {
|
|
+ if (!(val & 0x02))
|
|
+ val &= ~GX_FP_PM_P;
|
|
+ }
|
|
+
|
|
+ if (val != fp)
|
|
+ writel(val, par->vid_regs + GX_FP_PM);
|
|
+}
|
|
+
|
|
struct geode_vid_ops gx_vid_ops = {
|
|
.set_dclk = gx_set_dclk_frequency,
|
|
+ .get_dclk = gx_get_dclk,
|
|
.configure_display = gx_configure_display,
|
|
.blank_display = gx_blank_display,
|
|
};
|
|
Index: linux-2.6.23.17/drivers/video/geode/video_gx.h
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/drivers/video/geode/video_gx.h
|
|
+++ linux-2.6.23.17/drivers/video/geode/video_gx.h
|
|
@@ -11,6 +11,8 @@
|
|
#ifndef __VIDEO_GX_H__
|
|
#define __VIDEO_GX_H__
|
|
|
|
+#include "geode_regs.h"
|
|
+
|
|
extern struct geode_vid_ops gx_vid_ops;
|
|
|
|
/* GX Flatpanel control MSR */
|
|
@@ -20,6 +22,8 @@ extern struct geode_vid_ops gx_vid_ops;
|
|
|
|
/* Geode GX video processor registers */
|
|
|
|
+#define GX_VCFG 0x0000
|
|
+
|
|
#define GX_DCFG 0x0008
|
|
# define GX_DCFG_CRT_EN 0x00000001
|
|
# define GX_DCFG_HSYNC_EN 0x00000002
|
|
@@ -42,6 +46,14 @@ extern struct geode_vid_ops gx_vid_ops;
|
|
#define GX_MISC_DAC_PWRDN 0x00000400
|
|
#define GX_MISC_A_PWRDN 0x00000800
|
|
|
|
+/* Gamma correction RAM - address and data registers */
|
|
+
|
|
+#define GX_GAR 0x038
|
|
+#define GX_GDR 0x040
|
|
+
|
|
+#define GXFB_GAMMA_DWORDS 256 /* number of dwords in the gamma ram */
|
|
+#define GXFB_GAMMA_SIZE (GXFB_GAMMA_DWORDS * sizeof(unsigned int))
|
|
+
|
|
/* Geode GX flat panel display control registers */
|
|
|
|
#define GX_FP_PT1 0x0400
|
|
@@ -69,4 +81,13 @@ extern struct geode_vid_ops gx_vid_ops;
|
|
# define MSR_GLCP_DOTPLL_BYPASS (0x0000000000008000ull)
|
|
# define MSR_GLCP_DOTPLL_LOCK (0x0000000002000000ull)
|
|
|
|
+int gxfb_powerdown(struct fb_info *info);
|
|
+int gxfb_powerup(struct fb_info *info);
|
|
+
|
|
+void gx_set_dclk_frequency(struct fb_info *info);
|
|
+unsigned int gx_get_dclk(struct fb_info *info);
|
|
+
|
|
+void gx_save_regs(struct fb_info *info, struct geoderegs *regs);
|
|
+void gx_restore_regs(struct fb_info *info, struct geoderegs *regs);
|
|
+
|
|
#endif /* !__VIDEO_GX_H__ */
|
|
Index: linux-2.6.23.17/drivers/video/modedb.c
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/drivers/video/modedb.c
|
|
+++ linux-2.6.23.17/drivers/video/modedb.c
|
|
@@ -33,6 +33,8 @@ const char *global_mode_option;
|
|
* Standard video mode definitions (taken from XFree86)
|
|
*/
|
|
|
|
+#define DEFAULT_MODEDB_INDEX 0
|
|
+
|
|
static const struct fb_videomode modedb[] = {
|
|
{
|
|
/* 640x400 @ 70 Hz, 31.5 kHz hsync */
|
|
@@ -504,7 +506,8 @@ int fb_find_mode(struct fb_var_screeninf
|
|
}
|
|
|
|
if (!default_mode)
|
|
- default_mode = &db[0];
|
|
+ default_mode = (db == modedb) ?
|
|
+ &modedb[DEFAULT_MODEDB_INDEX] : &db[0];
|
|
|
|
if (!default_bpp)
|
|
default_bpp = 8;
|
|
Index: linux-2.6.23.17/fs/Kconfig
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/fs/Kconfig
|
|
+++ linux-2.6.23.17/fs/Kconfig
|
|
@@ -1003,6 +1003,23 @@ config HUGETLBFS
|
|
config HUGETLB_PAGE
|
|
def_bool HUGETLBFS
|
|
|
|
+config PROMFS_FS
|
|
+ tristate "PromFS IEEE 1275 file system support"
|
|
+ depends on SPARC || PPC || OLPC
|
|
+ help
|
|
+ PromFS is a file system interface to various IEEE-1275 compatible
|
|
+ firmwares. If you have such a firmware (Sparc64, PowerPC, and
|
|
+ some other architectures and embedded systems have such firmwares,
|
|
+ with names like "OpenBoot (tm)" and "OpenFirmware"), say Y here
|
|
+ to be able to access the firmware's device-tree from Linux.
|
|
+
|
|
+ The firmware device-tree is available as a virtual file system,
|
|
+ can be mounted under /prom with the command "mount -t promfs
|
|
+ none /prom".
|
|
+
|
|
+ To compile PromFS support as a module, choose M here; the module
|
|
+ will be called promfs. If unsure, choose M.
|
|
+
|
|
config RAMFS
|
|
bool
|
|
default y
|
|
@@ -1229,6 +1246,14 @@ config JFFS2_FS_WRITEBUFFER
|
|
- NOR flash with transparent ECC
|
|
- DataFlash
|
|
|
|
+config JFFS2_FS_WBUF_VERIFY
|
|
+ bool "Verify JFFS2 write-buffer reads"
|
|
+ depends on JFFS2_FS_WRITEBUFFER
|
|
+ default n
|
|
+ help
|
|
+ This causes JFFS2 to read back every page written through the
|
|
+ write-buffer, and check for errors.
|
|
+
|
|
config JFFS2_SUMMARY
|
|
bool "JFFS2 summary support (EXPERIMENTAL)"
|
|
depends on JFFS2_FS && EXPERIMENTAL
|
|
@@ -1299,52 +1324,52 @@ config JFFS2_ZLIB
|
|
select ZLIB_DEFLATE
|
|
depends on JFFS2_FS
|
|
default y
|
|
- help
|
|
- Zlib is designed to be a free, general-purpose, legally unencumbered,
|
|
- lossless data-compression library for use on virtually any computer
|
|
- hardware and operating system. See <http://www.gzip.org/zlib/> for
|
|
- further information.
|
|
+ help
|
|
+ Zlib is designed to be a free, general-purpose, legally unencumbered,
|
|
+ lossless data-compression library for use on virtually any computer
|
|
+ hardware and operating system. See <http://www.gzip.org/zlib/> for
|
|
+ further information.
|
|
|
|
- Say 'Y' if unsure.
|
|
+ Say 'Y' if unsure.
|
|
|
|
config JFFS2_RTIME
|
|
bool "JFFS2 RTIME compression support" if JFFS2_COMPRESSION_OPTIONS
|
|
depends on JFFS2_FS
|
|
default y
|
|
- help
|
|
- Rtime does manage to recompress already-compressed data. Say 'Y' if unsure.
|
|
+ help
|
|
+ Rtime does manage to recompress already-compressed data. Say 'Y' if unsure.
|
|
|
|
config JFFS2_RUBIN
|
|
bool "JFFS2 RUBIN compression support" if JFFS2_COMPRESSION_OPTIONS
|
|
depends on JFFS2_FS
|
|
default n
|
|
- help
|
|
- RUBINMIPS and DYNRUBIN compressors. Say 'N' if unsure.
|
|
+ help
|
|
+ RUBINMIPS and DYNRUBIN compressors. Say 'N' if unsure.
|
|
|
|
choice
|
|
- prompt "JFFS2 default compression mode" if JFFS2_COMPRESSION_OPTIONS
|
|
- default JFFS2_CMODE_PRIORITY
|
|
- depends on JFFS2_FS
|
|
- help
|
|
- You can set here the default compression mode of JFFS2 from
|
|
- the available compression modes. Don't touch if unsure.
|
|
+ prompt "JFFS2 default compression mode" if JFFS2_COMPRESSION_OPTIONS
|
|
+ default JFFS2_CMODE_PRIORITY
|
|
+ depends on JFFS2_FS
|
|
+ help
|
|
+ You can set here the default compression mode of JFFS2 from
|
|
+ the available compression modes. Don't touch if unsure.
|
|
|
|
config JFFS2_CMODE_NONE
|
|
- bool "no compression"
|
|
- help
|
|
- Uses no compression.
|
|
+ bool "no compression"
|
|
+ help
|
|
+ Uses no compression.
|
|
|
|
config JFFS2_CMODE_PRIORITY
|
|
- bool "priority"
|
|
- help
|
|
- Tries the compressors in a predefined order and chooses the first
|
|
- successful one.
|
|
+ bool "priority"
|
|
+ help
|
|
+ Tries the compressors in a predefined order and chooses the first
|
|
+ successful one.
|
|
|
|
config JFFS2_CMODE_SIZE
|
|
- bool "size (EXPERIMENTAL)"
|
|
- help
|
|
- Tries all compressors and chooses the one which has the smallest
|
|
- result.
|
|
+ bool "size (EXPERIMENTAL)"
|
|
+ help
|
|
+ Tries all compressors and chooses the one which has the smallest
|
|
+ result.
|
|
|
|
endchoice
|
|
|
|
Index: linux-2.6.23.17/fs/Makefile
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/fs/Makefile
|
|
+++ linux-2.6.23.17/fs/Makefile
|
|
@@ -110,6 +110,7 @@ obj-$(CONFIG_ADFS_FS) += adfs/
|
|
obj-$(CONFIG_FUSE_FS) += fuse/
|
|
obj-$(CONFIG_UDF_FS) += udf/
|
|
obj-$(CONFIG_SUN_OPENPROMFS) += openpromfs/
|
|
+obj-$(CONFIG_PROMFS_FS) += promfs/
|
|
obj-$(CONFIG_JFS_FS) += jfs/
|
|
obj-$(CONFIG_XFS_FS) += xfs/
|
|
obj-$(CONFIG_9P_FS) += 9p/
|
|
Index: linux-2.6.23.17/fs/jffs2/background.c
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/fs/jffs2/background.c
|
|
+++ linux-2.6.23.17/fs/jffs2/background.c
|
|
@@ -23,8 +23,8 @@ static int jffs2_garbage_collect_thread(
|
|
void jffs2_garbage_collect_trigger(struct jffs2_sb_info *c)
|
|
{
|
|
spin_lock(&c->erase_completion_lock);
|
|
- if (c->gc_task && jffs2_thread_should_wake(c))
|
|
- send_sig(SIGHUP, c->gc_task, 1);
|
|
+ if (c->gc_task && jffs2_thread_should_wake(c))
|
|
+ send_sig(SIGHUP, c->gc_task, 1);
|
|
spin_unlock(&c->erase_completion_lock);
|
|
}
|
|
|
|
Index: linux-2.6.23.17/fs/jffs2/compr.c
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/fs/jffs2/compr.c
|
|
+++ linux-2.6.23.17/fs/jffs2/compr.c
|
|
@@ -5,7 +5,7 @@
|
|
* Created by Arjan van de Ven <arjanv@redhat.com>
|
|
*
|
|
* Copyright © 2004 Ferenc Havasi <havasi@inf.u-szeged.hu>,
|
|
- * University of Szeged, Hungary
|
|
+ * University of Szeged, Hungary
|
|
*
|
|
* For licensing information, see the file 'LICENCE' in this directory.
|
|
*
|
|
@@ -43,121 +43,122 @@ static uint32_t none_stat_compr_blocks=0
|
|
* *datalen accordingly to show the amount of data which were compressed.
|
|
*/
|
|
uint16_t jffs2_compress(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
|
|
- unsigned char *data_in, unsigned char **cpage_out,
|
|
- uint32_t *datalen, uint32_t *cdatalen)
|
|
+ unsigned char *data_in, unsigned char **cpage_out,
|
|
+ uint32_t *datalen, uint32_t *cdatalen)
|
|
{
|
|
int ret = JFFS2_COMPR_NONE;
|
|
- int compr_ret;
|
|
- struct jffs2_compressor *this, *best=NULL;
|
|
- unsigned char *output_buf = NULL, *tmp_buf;
|
|
- uint32_t orig_slen, orig_dlen;
|
|
- uint32_t best_slen=0, best_dlen=0;
|
|
-
|
|
- switch (jffs2_compression_mode) {
|
|
- case JFFS2_COMPR_MODE_NONE:
|
|
- break;
|
|
- case JFFS2_COMPR_MODE_PRIORITY:
|
|
- output_buf = kmalloc(*cdatalen,GFP_KERNEL);
|
|
- if (!output_buf) {
|
|
- printk(KERN_WARNING "JFFS2: No memory for compressor allocation. Compression failed.\n");
|
|
- goto out;
|
|
- }
|
|
- orig_slen = *datalen;
|
|
- orig_dlen = *cdatalen;
|
|
- spin_lock(&jffs2_compressor_list_lock);
|
|
- list_for_each_entry(this, &jffs2_compressor_list, list) {
|
|
- /* Skip decompress-only backwards-compatibility and disabled modules */
|
|
- if ((!this->compress)||(this->disabled))
|
|
- continue;
|
|
-
|
|
- this->usecount++;
|
|
- spin_unlock(&jffs2_compressor_list_lock);
|
|
- *datalen = orig_slen;
|
|
- *cdatalen = orig_dlen;
|
|
- compr_ret = this->compress(data_in, output_buf, datalen, cdatalen, NULL);
|
|
- spin_lock(&jffs2_compressor_list_lock);
|
|
- this->usecount--;
|
|
- if (!compr_ret) {
|
|
- ret = this->compr;
|
|
- this->stat_compr_blocks++;
|
|
- this->stat_compr_orig_size += *datalen;
|
|
- this->stat_compr_new_size += *cdatalen;
|
|
- break;
|
|
- }
|
|
- }
|
|
- spin_unlock(&jffs2_compressor_list_lock);
|
|
- if (ret == JFFS2_COMPR_NONE) kfree(output_buf);
|
|
- break;
|
|
- case JFFS2_COMPR_MODE_SIZE:
|
|
- orig_slen = *datalen;
|
|
- orig_dlen = *cdatalen;
|
|
- spin_lock(&jffs2_compressor_list_lock);
|
|
- list_for_each_entry(this, &jffs2_compressor_list, list) {
|
|
- /* Skip decompress-only backwards-compatibility and disabled modules */
|
|
- if ((!this->compress)||(this->disabled))
|
|
- continue;
|
|
- /* Allocating memory for output buffer if necessary */
|
|
- if ((this->compr_buf_size<orig_dlen)&&(this->compr_buf)) {
|
|
- spin_unlock(&jffs2_compressor_list_lock);
|
|
- kfree(this->compr_buf);
|
|
- spin_lock(&jffs2_compressor_list_lock);
|
|
- this->compr_buf_size=0;
|
|
- this->compr_buf=NULL;
|
|
- }
|
|
- if (!this->compr_buf) {
|
|
- spin_unlock(&jffs2_compressor_list_lock);
|
|
- tmp_buf = kmalloc(orig_dlen,GFP_KERNEL);
|
|
- spin_lock(&jffs2_compressor_list_lock);
|
|
- if (!tmp_buf) {
|
|
- printk(KERN_WARNING "JFFS2: No memory for compressor allocation. (%d bytes)\n",orig_dlen);
|
|
- continue;
|
|
- }
|
|
- else {
|
|
- this->compr_buf = tmp_buf;
|
|
- this->compr_buf_size = orig_dlen;
|
|
- }
|
|
- }
|
|
- this->usecount++;
|
|
- spin_unlock(&jffs2_compressor_list_lock);
|
|
- *datalen = orig_slen;
|
|
- *cdatalen = orig_dlen;
|
|
- compr_ret = this->compress(data_in, this->compr_buf, datalen, cdatalen, NULL);
|
|
- spin_lock(&jffs2_compressor_list_lock);
|
|
- this->usecount--;
|
|
- if (!compr_ret) {
|
|
- if ((!best_dlen)||(best_dlen>*cdatalen)) {
|
|
- best_dlen = *cdatalen;
|
|
- best_slen = *datalen;
|
|
- best = this;
|
|
- }
|
|
- }
|
|
- }
|
|
- if (best_dlen) {
|
|
- *cdatalen = best_dlen;
|
|
- *datalen = best_slen;
|
|
- output_buf = best->compr_buf;
|
|
- best->compr_buf = NULL;
|
|
- best->compr_buf_size = 0;
|
|
- best->stat_compr_blocks++;
|
|
- best->stat_compr_orig_size += best_slen;
|
|
- best->stat_compr_new_size += best_dlen;
|
|
- ret = best->compr;
|
|
- }
|
|
- spin_unlock(&jffs2_compressor_list_lock);
|
|
- break;
|
|
- default:
|
|
- printk(KERN_ERR "JFFS2: unknow compression mode.\n");
|
|
- }
|
|
+ int compr_ret;
|
|
+ struct jffs2_compressor *this, *best=NULL;
|
|
+ unsigned char *output_buf = NULL, *tmp_buf;
|
|
+ uint32_t orig_slen, orig_dlen;
|
|
+ uint32_t best_slen=0, best_dlen=0;
|
|
+
|
|
+ switch (jffs2_compression_mode) {
|
|
+ case JFFS2_COMPR_MODE_NONE:
|
|
+ break;
|
|
+ case JFFS2_COMPR_MODE_PRIORITY:
|
|
+ output_buf = kmalloc(*cdatalen,GFP_KERNEL);
|
|
+ if (!output_buf) {
|
|
+ printk(KERN_WARNING "JFFS2: No memory for compressor allocation. Compression failed.\n");
|
|
+ goto out;
|
|
+ }
|
|
+ orig_slen = *datalen;
|
|
+ orig_dlen = *cdatalen;
|
|
+ spin_lock(&jffs2_compressor_list_lock);
|
|
+ list_for_each_entry(this, &jffs2_compressor_list, list) {
|
|
+ /* Skip decompress-only backwards-compatibility and disabled modules */
|
|
+ if ((!this->compress)||(this->disabled))
|
|
+ continue;
|
|
+
|
|
+ this->usecount++;
|
|
+ spin_unlock(&jffs2_compressor_list_lock);
|
|
+ *datalen = orig_slen;
|
|
+ *cdatalen = orig_dlen;
|
|
+ compr_ret = this->compress(data_in, output_buf, datalen, cdatalen, NULL);
|
|
+ spin_lock(&jffs2_compressor_list_lock);
|
|
+ this->usecount--;
|
|
+ if (!compr_ret) {
|
|
+ ret = this->compr;
|
|
+ this->stat_compr_blocks++;
|
|
+ this->stat_compr_orig_size += *datalen;
|
|
+ this->stat_compr_new_size += *cdatalen;
|
|
+ break;
|
|
+ }
|
|
+ }
|
|
+ spin_unlock(&jffs2_compressor_list_lock);
|
|
+ if (ret == JFFS2_COMPR_NONE)
|
|
+ kfree(output_buf);
|
|
+ break;
|
|
+ case JFFS2_COMPR_MODE_SIZE:
|
|
+ orig_slen = *datalen;
|
|
+ orig_dlen = *cdatalen;
|
|
+ spin_lock(&jffs2_compressor_list_lock);
|
|
+ list_for_each_entry(this, &jffs2_compressor_list, list) {
|
|
+ /* Skip decompress-only backwards-compatibility and disabled modules */
|
|
+ if ((!this->compress)||(this->disabled))
|
|
+ continue;
|
|
+ /* Allocating memory for output buffer if necessary */
|
|
+ if ((this->compr_buf_size<orig_dlen)&&(this->compr_buf)) {
|
|
+ spin_unlock(&jffs2_compressor_list_lock);
|
|
+ kfree(this->compr_buf);
|
|
+ spin_lock(&jffs2_compressor_list_lock);
|
|
+ this->compr_buf_size=0;
|
|
+ this->compr_buf=NULL;
|
|
+ }
|
|
+ if (!this->compr_buf) {
|
|
+ spin_unlock(&jffs2_compressor_list_lock);
|
|
+ tmp_buf = kmalloc(orig_dlen,GFP_KERNEL);
|
|
+ spin_lock(&jffs2_compressor_list_lock);
|
|
+ if (!tmp_buf) {
|
|
+ printk(KERN_WARNING "JFFS2: No memory for compressor allocation. (%d bytes)\n",orig_dlen);
|
|
+ continue;
|
|
+ }
|
|
+ else {
|
|
+ this->compr_buf = tmp_buf;
|
|
+ this->compr_buf_size = orig_dlen;
|
|
+ }
|
|
+ }
|
|
+ this->usecount++;
|
|
+ spin_unlock(&jffs2_compressor_list_lock);
|
|
+ *datalen = orig_slen;
|
|
+ *cdatalen = orig_dlen;
|
|
+ compr_ret = this->compress(data_in, this->compr_buf, datalen, cdatalen, NULL);
|
|
+ spin_lock(&jffs2_compressor_list_lock);
|
|
+ this->usecount--;
|
|
+ if (!compr_ret) {
|
|
+ if ((!best_dlen)||(best_dlen>*cdatalen)) {
|
|
+ best_dlen = *cdatalen;
|
|
+ best_slen = *datalen;
|
|
+ best = this;
|
|
+ }
|
|
+ }
|
|
+ }
|
|
+ if (best_dlen) {
|
|
+ *cdatalen = best_dlen;
|
|
+ *datalen = best_slen;
|
|
+ output_buf = best->compr_buf;
|
|
+ best->compr_buf = NULL;
|
|
+ best->compr_buf_size = 0;
|
|
+ best->stat_compr_blocks++;
|
|
+ best->stat_compr_orig_size += best_slen;
|
|
+ best->stat_compr_new_size += best_dlen;
|
|
+ ret = best->compr;
|
|
+ }
|
|
+ spin_unlock(&jffs2_compressor_list_lock);
|
|
+ break;
|
|
+ default:
|
|
+ printk(KERN_ERR "JFFS2: unknow compression mode.\n");
|
|
+ }
|
|
out:
|
|
- if (ret == JFFS2_COMPR_NONE) {
|
|
- *cpage_out = data_in;
|
|
- *datalen = *cdatalen;
|
|
- none_stat_compr_blocks++;
|
|
- none_stat_compr_size += *datalen;
|
|
- }
|
|
- else {
|
|
- *cpage_out = output_buf;
|
|
- }
|
|
+ if (ret == JFFS2_COMPR_NONE) {
|
|
+ *cpage_out = data_in;
|
|
+ *datalen = *cdatalen;
|
|
+ none_stat_compr_blocks++;
|
|
+ none_stat_compr_size += *datalen;
|
|
+ }
|
|
+ else {
|
|
+ *cpage_out = output_buf;
|
|
+ }
|
|
return ret;
|
|
}
|
|
|
|
@@ -165,8 +166,8 @@ int jffs2_decompress(struct jffs2_sb_inf
|
|
uint16_t comprtype, unsigned char *cdata_in,
|
|
unsigned char *data_out, uint32_t cdatalen, uint32_t datalen)
|
|
{
|
|
- struct jffs2_compressor *this;
|
|
- int ret;
|
|
+ struct jffs2_compressor *this;
|
|
+ int ret;
|
|
|
|
/* Older code had a bug where it would write non-zero 'usercompr'
|
|
fields. Deal with it. */
|
|
@@ -177,32 +178,32 @@ int jffs2_decompress(struct jffs2_sb_inf
|
|
case JFFS2_COMPR_NONE:
|
|
/* This should be special-cased elsewhere, but we might as well deal with it */
|
|
memcpy(data_out, cdata_in, datalen);
|
|
- none_stat_decompr_blocks++;
|
|
+ none_stat_decompr_blocks++;
|
|
break;
|
|
case JFFS2_COMPR_ZERO:
|
|
memset(data_out, 0, datalen);
|
|
break;
|
|
default:
|
|
- spin_lock(&jffs2_compressor_list_lock);
|
|
- list_for_each_entry(this, &jffs2_compressor_list, list) {
|
|
- if (comprtype == this->compr) {
|
|
- this->usecount++;
|
|
- spin_unlock(&jffs2_compressor_list_lock);
|
|
- ret = this->decompress(cdata_in, data_out, cdatalen, datalen, NULL);
|
|
- spin_lock(&jffs2_compressor_list_lock);
|
|
- if (ret) {
|
|
- printk(KERN_WARNING "Decompressor \"%s\" returned %d\n", this->name, ret);
|
|
- }
|
|
- else {
|
|
- this->stat_decompr_blocks++;
|
|
- }
|
|
- this->usecount--;
|
|
- spin_unlock(&jffs2_compressor_list_lock);
|
|
- return ret;
|
|
- }
|
|
- }
|
|
+ spin_lock(&jffs2_compressor_list_lock);
|
|
+ list_for_each_entry(this, &jffs2_compressor_list, list) {
|
|
+ if (comprtype == this->compr) {
|
|
+ this->usecount++;
|
|
+ spin_unlock(&jffs2_compressor_list_lock);
|
|
+ ret = this->decompress(cdata_in, data_out, cdatalen, datalen, NULL);
|
|
+ spin_lock(&jffs2_compressor_list_lock);
|
|
+ if (ret) {
|
|
+ printk(KERN_WARNING "Decompressor \"%s\" returned %d\n", this->name, ret);
|
|
+ }
|
|
+ else {
|
|
+ this->stat_decompr_blocks++;
|
|
+ }
|
|
+ this->usecount--;
|
|
+ spin_unlock(&jffs2_compressor_list_lock);
|
|
+ return ret;
|
|
+ }
|
|
+ }
|
|
printk(KERN_WARNING "JFFS2 compression type 0x%02x not available.\n", comprtype);
|
|
- spin_unlock(&jffs2_compressor_list_lock);
|
|
+ spin_unlock(&jffs2_compressor_list_lock);
|
|
return -EIO;
|
|
}
|
|
return 0;
|
|
@@ -210,108 +211,108 @@ int jffs2_decompress(struct jffs2_sb_inf
|
|
|
|
int jffs2_register_compressor(struct jffs2_compressor *comp)
|
|
{
|
|
- struct jffs2_compressor *this;
|
|
+ struct jffs2_compressor *this;
|
|
|
|
- if (!comp->name) {
|
|
- printk(KERN_WARNING "NULL compressor name at registering JFFS2 compressor. Failed.\n");
|
|
- return -1;
|
|
- }
|
|
- comp->compr_buf_size=0;
|
|
- comp->compr_buf=NULL;
|
|
- comp->usecount=0;
|
|
- comp->stat_compr_orig_size=0;
|
|
- comp->stat_compr_new_size=0;
|
|
- comp->stat_compr_blocks=0;
|
|
- comp->stat_decompr_blocks=0;
|
|
- D1(printk(KERN_DEBUG "Registering JFFS2 compressor \"%s\"\n", comp->name));
|
|
-
|
|
- spin_lock(&jffs2_compressor_list_lock);
|
|
-
|
|
- list_for_each_entry(this, &jffs2_compressor_list, list) {
|
|
- if (this->priority < comp->priority) {
|
|
- list_add(&comp->list, this->list.prev);
|
|
- goto out;
|
|
- }
|
|
- }
|
|
- list_add_tail(&comp->list, &jffs2_compressor_list);
|
|
+ if (!comp->name) {
|
|
+ printk(KERN_WARNING "NULL compressor name at registering JFFS2 compressor. Failed.\n");
|
|
+ return -1;
|
|
+ }
|
|
+ comp->compr_buf_size=0;
|
|
+ comp->compr_buf=NULL;
|
|
+ comp->usecount=0;
|
|
+ comp->stat_compr_orig_size=0;
|
|
+ comp->stat_compr_new_size=0;
|
|
+ comp->stat_compr_blocks=0;
|
|
+ comp->stat_decompr_blocks=0;
|
|
+ D1(printk(KERN_DEBUG "Registering JFFS2 compressor \"%s\"\n", comp->name));
|
|
+
|
|
+ spin_lock(&jffs2_compressor_list_lock);
|
|
+
|
|
+ list_for_each_entry(this, &jffs2_compressor_list, list) {
|
|
+ if (this->priority < comp->priority) {
|
|
+ list_add(&comp->list, this->list.prev);
|
|
+ goto out;
|
|
+ }
|
|
+ }
|
|
+ list_add_tail(&comp->list, &jffs2_compressor_list);
|
|
out:
|
|
- D2(list_for_each_entry(this, &jffs2_compressor_list, list) {
|
|
- printk(KERN_DEBUG "Compressor \"%s\", prio %d\n", this->name, this->priority);
|
|
- })
|
|
+ D2(list_for_each_entry(this, &jffs2_compressor_list, list) {
|
|
+ printk(KERN_DEBUG "Compressor \"%s\", prio %d\n", this->name, this->priority);
|
|
+ })
|
|
|
|
- spin_unlock(&jffs2_compressor_list_lock);
|
|
+ spin_unlock(&jffs2_compressor_list_lock);
|
|
|
|
- return 0;
|
|
+ return 0;
|
|
}
|
|
|
|
int jffs2_unregister_compressor(struct jffs2_compressor *comp)
|
|
{
|
|
- D2(struct jffs2_compressor *this;)
|
|
+ D2(struct jffs2_compressor *this;)
|
|
+
|
|
+ D1(printk(KERN_DEBUG "Unregistering JFFS2 compressor \"%s\"\n", comp->name));
|
|
|
|
- D1(printk(KERN_DEBUG "Unregistering JFFS2 compressor \"%s\"\n", comp->name));
|
|
+ spin_lock(&jffs2_compressor_list_lock);
|
|
|
|
- spin_lock(&jffs2_compressor_list_lock);
|
|
+ if (comp->usecount) {
|
|
+ spin_unlock(&jffs2_compressor_list_lock);
|
|
+ printk(KERN_WARNING "JFFS2: Compressor modul is in use. Unregister failed.\n");
|
|
+ return -1;
|
|
+ }
|
|
+ list_del(&comp->list);
|
|
|
|
- if (comp->usecount) {
|
|
- spin_unlock(&jffs2_compressor_list_lock);
|
|
- printk(KERN_WARNING "JFFS2: Compressor modul is in use. Unregister failed.\n");
|
|
- return -1;
|
|
- }
|
|
- list_del(&comp->list);
|
|
-
|
|
- D2(list_for_each_entry(this, &jffs2_compressor_list, list) {
|
|
- printk(KERN_DEBUG "Compressor \"%s\", prio %d\n", this->name, this->priority);
|
|
- })
|
|
- spin_unlock(&jffs2_compressor_list_lock);
|
|
- return 0;
|
|
+ D2(list_for_each_entry(this, &jffs2_compressor_list, list) {
|
|
+ printk(KERN_DEBUG "Compressor \"%s\", prio %d\n", this->name, this->priority);
|
|
+ })
|
|
+ spin_unlock(&jffs2_compressor_list_lock);
|
|
+ return 0;
|
|
}
|
|
|
|
void jffs2_free_comprbuf(unsigned char *comprbuf, unsigned char *orig)
|
|
{
|
|
- if (orig != comprbuf)
|
|
- kfree(comprbuf);
|
|
+ if (orig != comprbuf)
|
|
+ kfree(comprbuf);
|
|
}
|
|
|
|
int __init jffs2_compressors_init(void)
|
|
{
|
|
/* Registering compressors */
|
|
#ifdef CONFIG_JFFS2_ZLIB
|
|
- jffs2_zlib_init();
|
|
+ jffs2_zlib_init();
|
|
#endif
|
|
#ifdef CONFIG_JFFS2_RTIME
|
|
- jffs2_rtime_init();
|
|
+ jffs2_rtime_init();
|
|
#endif
|
|
#ifdef CONFIG_JFFS2_RUBIN
|
|
- jffs2_rubinmips_init();
|
|
- jffs2_dynrubin_init();
|
|
+ jffs2_rubinmips_init();
|
|
+ jffs2_dynrubin_init();
|
|
#endif
|
|
/* Setting default compression mode */
|
|
#ifdef CONFIG_JFFS2_CMODE_NONE
|
|
- jffs2_compression_mode = JFFS2_COMPR_MODE_NONE;
|
|
- D1(printk(KERN_INFO "JFFS2: default compression mode: none\n");)
|
|
+ jffs2_compression_mode = JFFS2_COMPR_MODE_NONE;
|
|
+ D1(printk(KERN_INFO "JFFS2: default compression mode: none\n");)
|
|
#else
|
|
#ifdef CONFIG_JFFS2_CMODE_SIZE
|
|
- jffs2_compression_mode = JFFS2_COMPR_MODE_SIZE;
|
|
- D1(printk(KERN_INFO "JFFS2: default compression mode: size\n");)
|
|
+ jffs2_compression_mode = JFFS2_COMPR_MODE_SIZE;
|
|
+ D1(printk(KERN_INFO "JFFS2: default compression mode: size\n");)
|
|
#else
|
|
- D1(printk(KERN_INFO "JFFS2: default compression mode: priority\n");)
|
|
+ D1(printk(KERN_INFO "JFFS2: default compression mode: priority\n");)
|
|
#endif
|
|
#endif
|
|
- return 0;
|
|
+ return 0;
|
|
}
|
|
|
|
int jffs2_compressors_exit(void)
|
|
{
|
|
/* Unregistering compressors */
|
|
#ifdef CONFIG_JFFS2_RUBIN
|
|
- jffs2_dynrubin_exit();
|
|
- jffs2_rubinmips_exit();
|
|
+ jffs2_dynrubin_exit();
|
|
+ jffs2_rubinmips_exit();
|
|
#endif
|
|
#ifdef CONFIG_JFFS2_RTIME
|
|
- jffs2_rtime_exit();
|
|
+ jffs2_rtime_exit();
|
|
#endif
|
|
#ifdef CONFIG_JFFS2_ZLIB
|
|
- jffs2_zlib_exit();
|
|
+ jffs2_zlib_exit();
|
|
#endif
|
|
- return 0;
|
|
+ return 0;
|
|
}
|
|
Index: linux-2.6.23.17/fs/jffs2/compr.h
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/fs/jffs2/compr.h
|
|
+++ linux-2.6.23.17/fs/jffs2/compr.h
|
|
@@ -2,7 +2,7 @@
|
|
* JFFS2 -- Journalling Flash File System, Version 2.
|
|
*
|
|
* Copyright © 2004 Ferenc Havasi <havasi@inf.u-szeged.hu>,
|
|
- * University of Szeged, Hungary
|
|
+ * University of Szeged, Hungary
|
|
*
|
|
* For licensing information, see the file 'LICENCE' in this directory.
|
|
*
|
|
@@ -32,29 +32,29 @@
|
|
#define JFFS2_ZLIB_PRIORITY 60
|
|
|
|
#define JFFS2_RUBINMIPS_DISABLED /* RUBINs will be used only */
|
|
-#define JFFS2_DYNRUBIN_DISABLED /* for decompression */
|
|
+#define JFFS2_DYNRUBIN_DISABLED /* for decompression */
|
|
|
|
#define JFFS2_COMPR_MODE_NONE 0
|
|
#define JFFS2_COMPR_MODE_PRIORITY 1
|
|
#define JFFS2_COMPR_MODE_SIZE 2
|
|
|
|
struct jffs2_compressor {
|
|
- struct list_head list;
|
|
- int priority; /* used by prirority comr. mode */
|
|
- char *name;
|
|
- char compr; /* JFFS2_COMPR_XXX */
|
|
- int (*compress)(unsigned char *data_in, unsigned char *cpage_out,
|
|
- uint32_t *srclen, uint32_t *destlen, void *model);
|
|
- int (*decompress)(unsigned char *cdata_in, unsigned char *data_out,
|
|
- uint32_t cdatalen, uint32_t datalen, void *model);
|
|
- int usecount;
|
|
- int disabled; /* if seted the compressor won't compress */
|
|
- unsigned char *compr_buf; /* used by size compr. mode */
|
|
- uint32_t compr_buf_size; /* used by size compr. mode */
|
|
- uint32_t stat_compr_orig_size;
|
|
- uint32_t stat_compr_new_size;
|
|
- uint32_t stat_compr_blocks;
|
|
- uint32_t stat_decompr_blocks;
|
|
+ struct list_head list;
|
|
+ int priority; /* used by prirority comr. mode */
|
|
+ char *name;
|
|
+ char compr; /* JFFS2_COMPR_XXX */
|
|
+ int (*compress)(unsigned char *data_in, unsigned char *cpage_out,
|
|
+ uint32_t *srclen, uint32_t *destlen, void *model);
|
|
+ int (*decompress)(unsigned char *cdata_in, unsigned char *data_out,
|
|
+ uint32_t cdatalen, uint32_t datalen, void *model);
|
|
+ int usecount;
|
|
+ int disabled; /* if set the compressor won't compress */
|
|
+ unsigned char *compr_buf; /* used by size compr. mode */
|
|
+ uint32_t compr_buf_size; /* used by size compr. mode */
|
|
+ uint32_t stat_compr_orig_size;
|
|
+ uint32_t stat_compr_new_size;
|
|
+ uint32_t stat_compr_blocks;
|
|
+ uint32_t stat_decompr_blocks;
|
|
};
|
|
|
|
int jffs2_register_compressor(struct jffs2_compressor *comp);
|
|
@@ -64,12 +64,12 @@ int jffs2_compressors_init(void);
|
|
int jffs2_compressors_exit(void);
|
|
|
|
uint16_t jffs2_compress(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
|
|
- unsigned char *data_in, unsigned char **cpage_out,
|
|
- uint32_t *datalen, uint32_t *cdatalen);
|
|
+ unsigned char *data_in, unsigned char **cpage_out,
|
|
+ uint32_t *datalen, uint32_t *cdatalen);
|
|
|
|
int jffs2_decompress(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
|
|
- uint16_t comprtype, unsigned char *cdata_in,
|
|
- unsigned char *data_out, uint32_t cdatalen, uint32_t datalen);
|
|
+ uint16_t comprtype, unsigned char *cdata_in,
|
|
+ unsigned char *data_out, uint32_t cdatalen, uint32_t datalen);
|
|
|
|
void jffs2_free_comprbuf(unsigned char *comprbuf, unsigned char *orig);
|
|
|
|
Index: linux-2.6.23.17/fs/jffs2/compr_rtime.c
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/fs/jffs2/compr_rtime.c
|
|
+++ linux-2.6.23.17/fs/jffs2/compr_rtime.c
|
|
@@ -104,7 +104,7 @@ static int jffs2_rtime_decompress(unsign
|
|
}
|
|
}
|
|
}
|
|
- return 0;
|
|
+ return 0;
|
|
}
|
|
|
|
static struct jffs2_compressor jffs2_rtime_comp = {
|
|
Index: linux-2.6.23.17/fs/jffs2/compr_rubin.c
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/fs/jffs2/compr_rubin.c
|
|
+++ linux-2.6.23.17/fs/jffs2/compr_rubin.c
|
|
@@ -384,7 +384,7 @@ static int jffs2_rubinmips_decompress(un
|
|
void *model)
|
|
{
|
|
rubin_do_decompress(BIT_DIVIDER_MIPS, bits_mips, data_in, cpage_out, sourcelen, dstlen);
|
|
- return 0;
|
|
+ return 0;
|
|
}
|
|
|
|
static int jffs2_dynrubin_decompress(unsigned char *data_in,
|
|
@@ -399,7 +399,7 @@ static int jffs2_dynrubin_decompress(uns
|
|
bits[c] = data_in[c];
|
|
|
|
rubin_do_decompress(256, bits, data_in+8, cpage_out, sourcelen-8, dstlen);
|
|
- return 0;
|
|
+ return 0;
|
|
}
|
|
|
|
static struct jffs2_compressor jffs2_rubinmips_comp = {
|
|
Index: linux-2.6.23.17/fs/jffs2/compr_zlib.c
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/fs/jffs2/compr_zlib.c
|
|
+++ linux-2.6.23.17/fs/jffs2/compr_zlib.c
|
|
@@ -181,7 +181,7 @@ static int jffs2_zlib_decompress(unsigne
|
|
}
|
|
zlib_inflateEnd(&inf_strm);
|
|
mutex_unlock(&inflate_mutex);
|
|
- return 0;
|
|
+ return 0;
|
|
}
|
|
|
|
static struct jffs2_compressor jffs2_zlib_comp = {
|
|
@@ -203,11 +203,11 @@ int __init jffs2_zlib_init(void)
|
|
|
|
ret = alloc_workspaces();
|
|
if (ret)
|
|
- return ret;
|
|
+ return ret;
|
|
|
|
ret = jffs2_register_compressor(&jffs2_zlib_comp);
|
|
if (ret)
|
|
- free_workspaces();
|
|
+ free_workspaces();
|
|
|
|
return ret;
|
|
}
|
|
Index: linux-2.6.23.17/fs/jffs2/dir.c
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/fs/jffs2/dir.c
|
|
+++ linux-2.6.23.17/fs/jffs2/dir.c
|
|
@@ -32,7 +32,7 @@ static int jffs2_mkdir (struct inode *,s
|
|
static int jffs2_rmdir (struct inode *,struct dentry *);
|
|
static int jffs2_mknod (struct inode *,struct dentry *,int,dev_t);
|
|
static int jffs2_rename (struct inode *, struct dentry *,
|
|
- struct inode *, struct dentry *);
|
|
+ struct inode *, struct dentry *);
|
|
|
|
const struct file_operations jffs2_dir_operations =
|
|
{
|
|
@@ -770,7 +770,7 @@ static int jffs2_mknod (struct inode *di
|
|
}
|
|
|
|
static int jffs2_rename (struct inode *old_dir_i, struct dentry *old_dentry,
|
|
- struct inode *new_dir_i, struct dentry *new_dentry)
|
|
+ struct inode *new_dir_i, struct dentry *new_dentry)
|
|
{
|
|
int ret;
|
|
struct jffs2_sb_info *c = JFFS2_SB_INFO(old_dir_i->i_sb);
|
|
Index: linux-2.6.23.17/fs/jffs2/erase.c
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/fs/jffs2/erase.c
|
|
+++ linux-2.6.23.17/fs/jffs2/erase.c
|
|
@@ -38,8 +38,8 @@ static void jffs2_erase_block(struct jff
|
|
#ifdef __ECOS
|
|
ret = jffs2_flash_erase(c, jeb);
|
|
if (!ret) {
|
|
- jffs2_erase_succeeded(c, jeb);
|
|
- return;
|
|
+ jffs2_erase_succeeded(c, jeb);
|
|
+ return;
|
|
}
|
|
bad_offset = jeb->offset;
|
|
#else /* Linux */
|
|
@@ -50,12 +50,14 @@ static void jffs2_erase_block(struct jff
|
|
instr = kmalloc(sizeof(struct erase_info) + sizeof(struct erase_priv_struct), GFP_KERNEL);
|
|
if (!instr) {
|
|
printk(KERN_WARNING "kmalloc for struct erase_info in jffs2_erase_block failed. Refiling block for later\n");
|
|
+ down(&c->erase_free_sem);
|
|
spin_lock(&c->erase_completion_lock);
|
|
list_move(&jeb->list, &c->erase_pending_list);
|
|
c->erasing_size -= c->sector_size;
|
|
c->dirty_size += c->sector_size;
|
|
jeb->dirty_size = c->sector_size;
|
|
spin_unlock(&c->erase_completion_lock);
|
|
+ up(&c->erase_free_sem);
|
|
return;
|
|
}
|
|
|
|
@@ -82,12 +84,14 @@ static void jffs2_erase_block(struct jff
|
|
if (ret == -ENOMEM || ret == -EAGAIN) {
|
|
/* Erase failed immediately. Refile it on the list */
|
|
D1(printk(KERN_DEBUG "Erase at 0x%08x failed: %d. Refiling on erase_pending_list\n", jeb->offset, ret));
|
|
+ down(&c->erase_free_sem);
|
|
spin_lock(&c->erase_completion_lock);
|
|
list_move(&jeb->list, &c->erase_pending_list);
|
|
c->erasing_size -= c->sector_size;
|
|
c->dirty_size += c->sector_size;
|
|
jeb->dirty_size = c->sector_size;
|
|
spin_unlock(&c->erase_completion_lock);
|
|
+ up(&c->erase_free_sem);
|
|
return;
|
|
}
|
|
|
|
@@ -114,6 +118,7 @@ void jffs2_erase_pending_blocks(struct j
|
|
jeb = list_entry(c->erase_complete_list.next, struct jffs2_eraseblock, list);
|
|
list_del(&jeb->list);
|
|
spin_unlock(&c->erase_completion_lock);
|
|
+ up(&c->erase_free_sem);
|
|
jffs2_mark_erased_block(c, jeb);
|
|
|
|
if (!--count) {
|
|
@@ -134,6 +139,7 @@ void jffs2_erase_pending_blocks(struct j
|
|
jffs2_free_jeb_node_refs(c, jeb);
|
|
list_add(&jeb->list, &c->erasing_list);
|
|
spin_unlock(&c->erase_completion_lock);
|
|
+ up(&c->erase_free_sem);
|
|
|
|
jffs2_erase_block(c, jeb);
|
|
|
|
@@ -142,23 +148,25 @@ void jffs2_erase_pending_blocks(struct j
|
|
}
|
|
|
|
/* Be nice */
|
|
- cond_resched();
|
|
+ yield();
|
|
+ down(&c->erase_free_sem);
|
|
spin_lock(&c->erase_completion_lock);
|
|
}
|
|
|
|
spin_unlock(&c->erase_completion_lock);
|
|
+ up(&c->erase_free_sem);
|
|
done:
|
|
D1(printk(KERN_DEBUG "jffs2_erase_pending_blocks completed\n"));
|
|
-
|
|
- up(&c->erase_free_sem);
|
|
}
|
|
|
|
static void jffs2_erase_succeeded(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb)
|
|
{
|
|
D1(printk(KERN_DEBUG "Erase completed successfully at 0x%08x\n", jeb->offset));
|
|
+ down(&c->erase_free_sem);
|
|
spin_lock(&c->erase_completion_lock);
|
|
list_move_tail(&jeb->list, &c->erase_complete_list);
|
|
spin_unlock(&c->erase_completion_lock);
|
|
+ up(&c->erase_free_sem);
|
|
/* Ensure that kupdated calls us again to mark them clean */
|
|
jffs2_erase_pending_trigger(c);
|
|
}
|
|
@@ -172,22 +180,26 @@ static void jffs2_erase_failed(struct jf
|
|
failed too many times. */
|
|
if (!jffs2_write_nand_badblock(c, jeb, bad_offset)) {
|
|
/* We'd like to give this block another try. */
|
|
+ down(&c->erase_free_sem);
|
|
spin_lock(&c->erase_completion_lock);
|
|
list_move(&jeb->list, &c->erase_pending_list);
|
|
c->erasing_size -= c->sector_size;
|
|
c->dirty_size += c->sector_size;
|
|
jeb->dirty_size = c->sector_size;
|
|
spin_unlock(&c->erase_completion_lock);
|
|
+ up(&c->erase_free_sem);
|
|
return;
|
|
}
|
|
}
|
|
|
|
+ down(&c->erase_free_sem);
|
|
spin_lock(&c->erase_completion_lock);
|
|
c->erasing_size -= c->sector_size;
|
|
c->bad_size += c->sector_size;
|
|
list_move(&jeb->list, &c->bad_list);
|
|
c->nr_erasing_blocks--;
|
|
spin_unlock(&c->erase_completion_lock);
|
|
+ up(&c->erase_free_sem);
|
|
wake_up(&c->erase_wait);
|
|
}
|
|
|
|
@@ -317,6 +329,33 @@ static int jffs2_block_check_erase(struc
|
|
size_t retlen;
|
|
int ret = -EIO;
|
|
|
|
+ if (c->mtd->point) {
|
|
+ unsigned long *wordebuf;
|
|
+
|
|
+ ret = c->mtd->point(c->mtd, jeb->offset, c->sector_size, &retlen, (unsigned char **)&ebuf);
|
|
+ if (ret) {
|
|
+ D1(printk(KERN_DEBUG "MTD point failed %d\n", ret));
|
|
+ goto do_flash_read;
|
|
+ }
|
|
+ if (retlen < c->sector_size) {
|
|
+ /* Don't muck about if it won't let us point to the whole erase sector */
|
|
+ D1(printk(KERN_DEBUG "MTD point returned len too short: 0x%zx\n", retlen));
|
|
+ c->mtd->unpoint(c->mtd, ebuf, jeb->offset, c->sector_size);
|
|
+ goto do_flash_read;
|
|
+ }
|
|
+ wordebuf = ebuf-sizeof(*wordebuf);
|
|
+ retlen /= sizeof(*wordebuf);
|
|
+ do {
|
|
+ if (*++wordebuf != ~0)
|
|
+ break;
|
|
+ } while(--retlen);
|
|
+ c->mtd->unpoint(c->mtd, ebuf, jeb->offset, c->sector_size);
|
|
+ if (retlen)
|
|
+ printk(KERN_WARNING "Newly-erased block contained word 0x%lx at offset 0x%08x\n",
|
|
+ *wordebuf, jeb->offset + c->sector_size-retlen*sizeof(*wordebuf));
|
|
+ return 0;
|
|
+ }
|
|
+ do_flash_read:
|
|
ebuf = kmalloc(PAGE_SIZE, GFP_KERNEL);
|
|
if (!ebuf) {
|
|
printk(KERN_WARNING "Failed to allocate page buffer for verifying erase at 0x%08x. Refiling\n", jeb->offset);
|
|
@@ -417,6 +456,7 @@ static void jffs2_mark_erased_block(stru
|
|
jffs2_link_node_ref(c, jeb, jeb->offset | REF_NORMAL, c->cleanmarker_size, NULL);
|
|
}
|
|
|
|
+ down(&c->erase_free_sem);
|
|
spin_lock(&c->erase_completion_lock);
|
|
c->erasing_size -= c->sector_size;
|
|
c->free_size += jeb->free_size;
|
|
@@ -429,23 +469,28 @@ static void jffs2_mark_erased_block(stru
|
|
c->nr_erasing_blocks--;
|
|
c->nr_free_blocks++;
|
|
spin_unlock(&c->erase_completion_lock);
|
|
+ up(&c->erase_free_sem);
|
|
wake_up(&c->erase_wait);
|
|
return;
|
|
|
|
filebad:
|
|
+ down(&c->erase_free_sem);
|
|
spin_lock(&c->erase_completion_lock);
|
|
/* Stick it on a list (any list) so erase_failed can take it
|
|
right off again. Silly, but shouldn't happen often. */
|
|
list_add(&jeb->list, &c->erasing_list);
|
|
spin_unlock(&c->erase_completion_lock);
|
|
+ up(&c->erase_free_sem);
|
|
jffs2_erase_failed(c, jeb, bad_offset);
|
|
return;
|
|
|
|
refile:
|
|
/* Stick it back on the list from whence it came and come back later */
|
|
jffs2_erase_pending_trigger(c);
|
|
+ down(&c->erase_free_sem);
|
|
spin_lock(&c->erase_completion_lock);
|
|
list_add(&jeb->list, &c->erase_complete_list);
|
|
spin_unlock(&c->erase_completion_lock);
|
|
+ up(&c->erase_free_sem);
|
|
return;
|
|
}
|
|
Index: linux-2.6.23.17/fs/jffs2/gc.c
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/fs/jffs2/gc.c
|
|
+++ linux-2.6.23.17/fs/jffs2/gc.c
|
|
@@ -556,7 +556,7 @@ static int jffs2_garbage_collect_pristin
|
|
|
|
node = kmalloc(rawlen, GFP_KERNEL);
|
|
if (!node)
|
|
- return -ENOMEM;
|
|
+ return -ENOMEM;
|
|
|
|
ret = jffs2_flash_read(c, ref_offset(raw), rawlen, &retlen, (char *)node);
|
|
if (!ret && retlen != rawlen)
|
|
@@ -624,7 +624,7 @@ static int jffs2_garbage_collect_pristin
|
|
|
|
if (ret || (retlen != rawlen)) {
|
|
printk(KERN_NOTICE "Write of %d bytes at 0x%08x failed. returned %d, retlen %zd\n",
|
|
- rawlen, phys_ofs, ret, retlen);
|
|
+ rawlen, phys_ofs, ret, retlen);
|
|
if (retlen) {
|
|
jffs2_add_physical_node_ref(c, phys_ofs | REF_OBSOLETE, rawlen, NULL);
|
|
} else {
|
|
Index: linux-2.6.23.17/fs/jffs2/jffs2_fs_sb.h
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/fs/jffs2/jffs2_fs_sb.h
|
|
+++ linux-2.6.23.17/fs/jffs2/jffs2_fs_sb.h
|
|
@@ -106,6 +106,9 @@ struct jffs2_sb_info {
|
|
|
|
uint32_t wbuf_pagesize; /* 0 for NOR and other flashes with no wbuf */
|
|
|
|
+#ifdef CONFIG_JFFS2_FS_WBUF_VERIFY
|
|
+ unsigned char *wbuf_verify; /* read-back buffer for verification */
|
|
+#endif
|
|
#ifdef CONFIG_JFFS2_FS_WRITEBUFFER
|
|
unsigned char *wbuf; /* Write-behind buffer for NAND flash */
|
|
uint32_t wbuf_ofs;
|
|
Index: linux-2.6.23.17/fs/jffs2/nodelist.h
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/fs/jffs2/nodelist.h
|
|
+++ linux-2.6.23.17/fs/jffs2/nodelist.h
|
|
@@ -127,7 +127,7 @@ static inline struct jffs2_inode_cache *
|
|
return ((struct jffs2_inode_cache *)raw);
|
|
}
|
|
|
|
- /* flash_offset & 3 always has to be zero, because nodes are
|
|
+ /* flash_offset & 3 always has to be zero, because nodes are
|
|
always aligned at 4 bytes. So we have a couple of extra bits
|
|
to play with, which indicate the node's status; see below: */
|
|
#define REF_UNCHECKED 0 /* We haven't yet checked the CRC or built its inode */
|
|
@@ -197,7 +197,7 @@ struct jffs2_inode_cache {
|
|
#define RAWNODE_CLASS_XATTR_DATUM 1
|
|
#define RAWNODE_CLASS_XATTR_REF 2
|
|
|
|
-#define INOCACHE_HASHSIZE 128
|
|
+#define INOCACHE_HASHSIZE 1024
|
|
|
|
#define write_ofs(c) ((c)->nextblock->offset + (c)->sector_size - (c)->nextblock->free_size)
|
|
|
|
Index: linux-2.6.23.17/fs/jffs2/nodemgmt.c
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/fs/jffs2/nodemgmt.c
|
|
+++ linux-2.6.23.17/fs/jffs2/nodemgmt.c
|
|
@@ -154,7 +154,7 @@ int jffs2_reserve_space_gc(struct jffs2_
|
|
while(ret == -EAGAIN) {
|
|
ret = jffs2_do_reserve_space(c, minsize, len, sumsize);
|
|
if (ret) {
|
|
- D1(printk(KERN_DEBUG "jffs2_reserve_space_gc: looping, ret is %d\n", ret));
|
|
+ D1(printk(KERN_DEBUG "jffs2_reserve_space_gc: looping, ret is %d\n", ret));
|
|
}
|
|
}
|
|
spin_unlock(&c->erase_completion_lock);
|
|
@@ -423,7 +423,12 @@ struct jffs2_raw_node_ref *jffs2_add_phy
|
|
even after refiling c->nextblock */
|
|
if ((c->nextblock || ((ofs & 3) != REF_OBSOLETE))
|
|
&& (jeb != c->nextblock || (ofs & ~3) != jeb->offset + (c->sector_size - jeb->free_size))) {
|
|
- printk(KERN_WARNING "argh. node added in wrong place\n");
|
|
+ printk(KERN_WARNING "argh. node added in wrong place at 0x%08x(%d)\n", ofs & ~3, ofs & 3);
|
|
+ if (c->nextblock)
|
|
+ printk(KERN_WARNING "nextblock 0x%08x", c->nextblock->offset);
|
|
+ else
|
|
+ printk(KERN_WARNING "No nextblock");
|
|
+ printk(", expected at %08x\n", jeb->offset + (c->sector_size - jeb->free_size));
|
|
return ERR_PTR(-EINVAL);
|
|
}
|
|
#endif
|
|
Index: linux-2.6.23.17/fs/jffs2/readinode.c
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/fs/jffs2/readinode.c
|
|
+++ linux-2.6.23.17/fs/jffs2/readinode.c
|
|
@@ -211,7 +211,7 @@ static void jffs2_kill_tn(struct jffs2_s
|
|
* ordering.
|
|
*
|
|
* Returns 0 if the node was handled (including marking it obsolete)
|
|
- * < 0 an if error occurred
|
|
+ * < 0 an if error occurred
|
|
*/
|
|
static int jffs2_add_tn_to_tree(struct jffs2_sb_info *c,
|
|
struct jffs2_readinode_info *rii,
|
|
@@ -862,8 +862,8 @@ static inline int read_unknown(struct jf
|
|
JFFS2_ERROR("REF_UNCHECKED but unknown node at %#08x\n",
|
|
ref_offset(ref));
|
|
JFFS2_ERROR("Node is {%04x,%04x,%08x,%08x}. Please report this error.\n",
|
|
- je16_to_cpu(un->magic), je16_to_cpu(un->nodetype),
|
|
- je32_to_cpu(un->totlen), je32_to_cpu(un->hdr_crc));
|
|
+ je16_to_cpu(un->magic), je16_to_cpu(un->nodetype),
|
|
+ je32_to_cpu(un->totlen), je32_to_cpu(un->hdr_crc));
|
|
jffs2_mark_node_obsolete(c, ref);
|
|
return 0;
|
|
}
|
|
Index: linux-2.6.23.17/fs/jffs2/scan.c
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/fs/jffs2/scan.c
|
|
+++ linux-2.6.23.17/fs/jffs2/scan.c
|
|
@@ -877,7 +877,7 @@ scan_more:
|
|
switch (je16_to_cpu(node->nodetype) & JFFS2_COMPAT_MASK) {
|
|
case JFFS2_FEATURE_ROCOMPAT:
|
|
printk(KERN_NOTICE "Read-only compatible feature node (0x%04x) found at offset 0x%08x\n", je16_to_cpu(node->nodetype), ofs);
|
|
- c->flags |= JFFS2_SB_FLAG_RO;
|
|
+ c->flags |= JFFS2_SB_FLAG_RO;
|
|
if (!(jffs2_is_readonly(c)))
|
|
return -EROFS;
|
|
if ((err = jffs2_scan_dirty_space(c, jeb, PAD(je32_to_cpu(node->totlen)))))
|
|
Index: linux-2.6.23.17/fs/jffs2/security.c
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/fs/jffs2/security.c
|
|
+++ linux-2.6.23.17/fs/jffs2/security.c
|
|
@@ -38,9 +38,9 @@ int jffs2_init_security(struct inode *in
|
|
}
|
|
rc = do_jffs2_setxattr(inode, JFFS2_XPREFIX_SECURITY, name, value, len, 0);
|
|
|
|
- kfree(name);
|
|
- kfree(value);
|
|
- return rc;
|
|
+ kfree(name);
|
|
+ kfree(value);
|
|
+ return rc;
|
|
}
|
|
|
|
/* ---- XATTR Handler for "security.*" ----------------- */
|
|
Index: linux-2.6.23.17/fs/jffs2/summary.c
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/fs/jffs2/summary.c
|
|
+++ linux-2.6.23.17/fs/jffs2/summary.c
|
|
@@ -2,10 +2,10 @@
|
|
* JFFS2 -- Journalling Flash File System, Version 2.
|
|
*
|
|
* Copyright © 2004 Ferenc Havasi <havasi@inf.u-szeged.hu>,
|
|
- * Zoltan Sogor <weth@inf.u-szeged.hu>,
|
|
- * Patrik Kluba <pajko@halom.u-szeged.hu>,
|
|
- * University of Szeged, Hungary
|
|
- * 2006 KaiGai Kohei <kaigai@ak.jp.nec.com>
|
|
+ * Zoltan Sogor <weth@inf.u-szeged.hu>,
|
|
+ * Patrik Kluba <pajko@halom.u-szeged.hu>,
|
|
+ * University of Szeged, Hungary
|
|
+ * 2006 KaiGai Kohei <kaigai@ak.jp.nec.com>
|
|
*
|
|
* For licensing information, see the file 'LICENCE' in this directory.
|
|
*
|
|
Index: linux-2.6.23.17/fs/jffs2/summary.h
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/fs/jffs2/summary.h
|
|
+++ linux-2.6.23.17/fs/jffs2/summary.h
|
|
@@ -2,9 +2,9 @@
|
|
* JFFS2 -- Journalling Flash File System, Version 2.
|
|
*
|
|
* Copyright © 2004 Ferenc Havasi <havasi@inf.u-szeged.hu>,
|
|
- * Zoltan Sogor <weth@inf.u-szeged.hu>,
|
|
- * Patrik Kluba <pajko@halom.u-szeged.hu>,
|
|
- * University of Szeged, Hungary
|
|
+ * Zoltan Sogor <weth@inf.u-szeged.hu>,
|
|
+ * Patrik Kluba <pajko@halom.u-szeged.hu>,
|
|
+ * University of Szeged, Hungary
|
|
*
|
|
* For licensing information, see the file 'LICENCE' in this directory.
|
|
*
|
|
Index: linux-2.6.23.17/fs/jffs2/wbuf.c
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/fs/jffs2/wbuf.c
|
|
+++ linux-2.6.23.17/fs/jffs2/wbuf.c
|
|
@@ -220,6 +220,47 @@ static struct jffs2_raw_node_ref **jffs2
|
|
return NULL;
|
|
}
|
|
|
|
+#ifdef CONFIG_JFFS2_FS_WBUF_VERIFY
|
|
+static int jffs2_verify_write(struct jffs2_sb_info *c, unsigned char *buf,
|
|
+ uint32_t ofs)
|
|
+{
|
|
+ int ret;
|
|
+ size_t retlen;
|
|
+ char *eccstr;
|
|
+
|
|
+ ret = c->mtd->read(c->mtd, ofs, c->wbuf_pagesize, &retlen, c->wbuf_verify);
|
|
+ if (ret && ret != -EUCLEAN && ret != -EBADMSG) {
|
|
+ printk(KERN_WARNING "jffs2_verify_write(): Read back of page at %08x failed: %d\n", c->wbuf_ofs, ret);
|
|
+ return ret;
|
|
+ } else if (retlen != c->wbuf_pagesize) {
|
|
+ printk(KERN_WARNING "jffs2_verify_write(): Read back of page at %08x gave short read: %zd not %d.\n", ofs, retlen, c->wbuf_pagesize);
|
|
+ return -EIO;
|
|
+ }
|
|
+ if (!memcmp(buf, c->wbuf_verify, c->wbuf_pagesize))
|
|
+ return 0;
|
|
+
|
|
+ if (ret == -EUCLEAN)
|
|
+ eccstr = "corrected";
|
|
+ else if (ret == -EBADMSG)
|
|
+ eccstr = "correction failed";
|
|
+ else
|
|
+ eccstr = "OK or unused";
|
|
+
|
|
+ printk(KERN_WARNING "Write verify error (ECC %s) at %08x. Wrote:\n",
|
|
+ eccstr, c->wbuf_ofs);
|
|
+ print_hex_dump(KERN_WARNING, "", DUMP_PREFIX_OFFSET, 16, 1,
|
|
+ c->wbuf, c->wbuf_pagesize, 0);
|
|
+
|
|
+ printk(KERN_WARNING "Read back:\n");
|
|
+ print_hex_dump(KERN_WARNING, "", DUMP_PREFIX_OFFSET, 16, 1,
|
|
+ c->wbuf_verify, c->wbuf_pagesize, 0);
|
|
+
|
|
+ return -EIO;
|
|
+}
|
|
+#else
|
|
+#define jffs2_verify_write(c,b,o) (0)
|
|
+#endif
|
|
+
|
|
/* Recover from failure to write wbuf. Recover the nodes up to the
|
|
* wbuf, not the one which we were starting to try to write. */
|
|
|
|
@@ -380,7 +421,7 @@ static void jffs2_wbuf_recover(struct jf
|
|
ret = c->mtd->write(c->mtd, ofs, towrite, &retlen,
|
|
rewrite_buf);
|
|
|
|
- if (ret || retlen != towrite) {
|
|
+ if (ret || retlen != towrite || jffs2_verify_write(c, rewrite_buf, ofs)) {
|
|
/* Argh. We tried. Really we did. */
|
|
printk(KERN_CRIT "Recovery of wbuf failed due to a second write error\n");
|
|
kfree(buf);
|
|
@@ -587,15 +628,16 @@ static int __jffs2_flush_wbuf(struct jff
|
|
|
|
ret = c->mtd->write(c->mtd, c->wbuf_ofs, c->wbuf_pagesize, &retlen, c->wbuf);
|
|
|
|
- if (ret || retlen != c->wbuf_pagesize) {
|
|
- if (ret)
|
|
- printk(KERN_WARNING "jffs2_flush_wbuf(): Write failed with %d\n",ret);
|
|
- else {
|
|
- printk(KERN_WARNING "jffs2_flush_wbuf(): Write was short: %zd instead of %d\n",
|
|
- retlen, c->wbuf_pagesize);
|
|
- ret = -EIO;
|
|
- }
|
|
-
|
|
+ if (ret) {
|
|
+ printk(KERN_WARNING "jffs2_flush_wbuf(): Write failed with %d\n", ret);
|
|
+ goto wfail;
|
|
+ } else if (retlen != c->wbuf_pagesize) {
|
|
+ printk(KERN_WARNING "jffs2_flush_wbuf(): Write was short: %zd instead of %d\n",
|
|
+ retlen, c->wbuf_pagesize);
|
|
+ ret = -EIO;
|
|
+ goto wfail;
|
|
+ } else if ((ret = jffs2_verify_write(c, c->wbuf, c->wbuf_ofs))) {
|
|
+ wfail:
|
|
jffs2_wbuf_recover(c);
|
|
|
|
return ret;
|
|
@@ -966,8 +1008,8 @@ exit:
|
|
|
|
#define NR_OOB_SCAN_PAGES 4
|
|
|
|
-/* For historical reasons we use only 12 bytes for OOB clean marker */
|
|
-#define OOB_CM_SIZE 12
|
|
+/* For historical reasons we use only 8 bytes for OOB clean marker */
|
|
+#define OOB_CM_SIZE 8
|
|
|
|
static const struct jffs2_unknown_node oob_cleanmarker =
|
|
{
|
|
@@ -1021,8 +1063,8 @@ int jffs2_check_oob_empty(struct jffs2_s
|
|
/*
|
|
* Check for a valid cleanmarker.
|
|
* Returns: 0 if a valid cleanmarker was found
|
|
- * 1 if no cleanmarker was found
|
|
- * negative error code if an error occurred
|
|
+ * 1 if no cleanmarker was found
|
|
+ * negative error code if an error occurred
|
|
*/
|
|
int jffs2_check_nand_cleanmarker(struct jffs2_sb_info *c,
|
|
struct jffs2_eraseblock *jeb)
|
|
@@ -1138,11 +1180,22 @@ int jffs2_nand_flash_setup(struct jffs2_
|
|
return -ENOMEM;
|
|
}
|
|
|
|
+#ifdef CONFIG_JFFS2_FS_WBUF_VERIFY
|
|
+ c->wbuf_verify = kmalloc(c->wbuf_pagesize, GFP_KERNEL);
|
|
+ if (!c->wbuf_verify) {
|
|
+ kfree(c->oobbuf);
|
|
+ kfree(c->wbuf);
|
|
+ return -ENOMEM;
|
|
+ }
|
|
+#endif
|
|
return 0;
|
|
}
|
|
|
|
void jffs2_nand_flash_cleanup(struct jffs2_sb_info *c)
|
|
{
|
|
+#ifdef CONFIG_JFFS2_FS_WBUF_VERIFY
|
|
+ kfree(c->wbuf_verify);
|
|
+#endif
|
|
kfree(c->wbuf);
|
|
kfree(c->oobbuf);
|
|
}
|
|
Index: linux-2.6.23.17/fs/jffs2/xattr.h
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/fs/jffs2/xattr.h
|
|
+++ linux-2.6.23.17/fs/jffs2/xattr.h
|
|
@@ -75,7 +75,7 @@ extern void jffs2_build_xattr_subsystem(
|
|
extern void jffs2_clear_xattr_subsystem(struct jffs2_sb_info *c);
|
|
|
|
extern struct jffs2_xattr_datum *jffs2_setup_xattr_datum(struct jffs2_sb_info *c,
|
|
- uint32_t xid, uint32_t version);
|
|
+ uint32_t xid, uint32_t version);
|
|
|
|
extern void jffs2_xattr_delete_inode(struct jffs2_sb_info *c, struct jffs2_inode_cache *ic);
|
|
extern void jffs2_xattr_free_inode(struct jffs2_sb_info *c, struct jffs2_inode_cache *ic);
|
|
Index: linux-2.6.23.17/fs/jffs2/xattr_user.c
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/fs/jffs2/xattr_user.c
|
|
+++ linux-2.6.23.17/fs/jffs2/xattr_user.c
|
|
@@ -17,7 +17,7 @@
|
|
#include "nodelist.h"
|
|
|
|
static int jffs2_user_getxattr(struct inode *inode, const char *name,
|
|
- void *buffer, size_t size)
|
|
+ void *buffer, size_t size)
|
|
{
|
|
if (!strcmp(name, ""))
|
|
return -EINVAL;
|
|
@@ -25,7 +25,7 @@ static int jffs2_user_getxattr(struct in
|
|
}
|
|
|
|
static int jffs2_user_setxattr(struct inode *inode, const char *name, const void *buffer,
|
|
- size_t size, int flags)
|
|
+ size_t size, int flags)
|
|
{
|
|
if (!strcmp(name, ""))
|
|
return -EINVAL;
|
|
Index: linux-2.6.23.17/include/asm-i386/geode.h
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/include/asm-i386/geode.h
|
|
+++ linux-2.6.23.17/include/asm-i386/geode.h
|
|
@@ -135,6 +135,55 @@ static inline void geode_gpio_event_pme(
|
|
geode_gpio_setup_event(gpio, pair, 1);
|
|
}
|
|
|
|
+/* MFGPT */
|
|
+
|
|
+#define MFGPT_TIMER_ANY -1
|
|
+
|
|
+#define MFGPT_DOMAIN_WORKING 1
|
|
+#define MFGPT_DOMAIN_STANDBY 2
|
|
+#define MFGPT_DOMAIN_ANY (MFGPT_DOMAIN_WORKING | MFGPT_DOMAIN_STANDBY)
|
|
+
|
|
+#define MFGPT_CMP1 0
|
|
+#define MFGPT_CMP2 1
|
|
+
|
|
+#define MFGPT_EVENT_IRQ 0
|
|
+#define MFGPT_EVENT_NMI 1
|
|
+#define MFGPT_EVENT_RESET 3
|
|
+
|
|
+#define MFGPT_REG_CMP1 0
|
|
+#define MFGPT_REG_CMP2 2
|
|
+#define MFGPT_REG_COUNTER 4
|
|
+#define MFGPT_REG_SETUP 6
|
|
+
|
|
+#define MFGPT_SETUP_CNTEN (1 << 15)
|
|
+#define MFGPT_SETUP_CMP2 (1 << 14)
|
|
+#define MFGPT_SETUP_CMP1 (1 << 13)
|
|
+#define MFGPT_SETUP_SETUP (1 << 12)
|
|
+#define MFGPT_SETUP_STOPEN (1 << 11)
|
|
+#define MFGPT_SETUP_EXTEN (1 << 10)
|
|
+#define MFGPT_SETUP_REVEN (1 << 5)
|
|
+#define MFGPT_SETUP_CLKSEL (1 << 4)
|
|
+
|
|
+static inline void geode_mfgpt_write(int timer, u16 reg, u16 value)
|
|
+{
|
|
+ u32 base = geode_get_dev_base(GEODE_DEV_MFGPT);
|
|
+ outw(value, base + reg + (timer * 8));
|
|
+}
|
|
+
|
|
+static inline u16 geode_mfgpt_read(int timer, u16 reg)
|
|
+{
|
|
+ u32 base = geode_get_dev_base(GEODE_DEV_MFGPT);
|
|
+ return inw(base + reg + (timer * 8));
|
|
+}
|
|
+
|
|
+extern int __init geode_mfgpt_detect(void);
|
|
+extern int geode_mfgpt_toggle_event(int timer, int cmp, int event, int enable);
|
|
+extern int geode_mfgpt_set_irq(int timer, int cmp, int irq, int enable);
|
|
+extern int geode_mfgpt_alloc_timer(int timer, int domain, struct module *owner);
|
|
+
|
|
+#define geode_mfgpt_setup_irq(t,c,i) geode_mfgpt_set_irq((t),(c),(i),1)
|
|
+#define geode_mfgpt_release_irq(t,c,i) geode_mfgpt_set_irq((t),(c),(i),0)
|
|
+
|
|
/* Specific geode tests */
|
|
|
|
static inline int is_geode_gx(void)
|
|
Index: linux-2.6.23.17/include/asm-i386/setup.h
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/include/asm-i386/setup.h
|
|
+++ linux-2.6.23.17/include/asm-i386/setup.h
|
|
@@ -24,6 +24,7 @@
|
|
#define OLD_CL_BASE_ADDR 0x90000
|
|
#define OLD_CL_OFFSET 0x90022
|
|
#define NEW_CL_POINTER 0x228 /* Relative to real mode data */
|
|
+#define OFW_INFO_OFFSET 0xb0 /* Relative to real mode data */
|
|
|
|
#ifndef __ASSEMBLY__
|
|
|
|
Index: linux-2.6.23.17/include/linux/console.h
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/include/linux/console.h
|
|
+++ linux-2.6.23.17/include/linux/console.h
|
|
@@ -121,14 +121,11 @@ extern void console_stop(struct console
|
|
extern void console_start(struct console *);
|
|
extern int is_console_locked(void);
|
|
|
|
-#ifndef CONFIG_DISABLE_CONSOLE_SUSPEND
|
|
+extern int serial_console_suspend_enabled;
|
|
+
|
|
/* Suspend and resume console messages over PM events */
|
|
extern void suspend_console(void);
|
|
extern void resume_console(void);
|
|
-#else
|
|
-static inline void suspend_console(void) {}
|
|
-static inline void resume_console(void) {}
|
|
-#endif /* CONFIG_DISABLE_CONSOLE_SUSPEND */
|
|
|
|
int mda_console_init(void);
|
|
void prom_con_init(void);
|
|
Index: linux-2.6.23.17/include/linux/fb.h
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/include/linux/fb.h
|
|
+++ linux-2.6.23.17/include/linux/fb.h
|
|
@@ -664,6 +664,12 @@ struct fb_ops {
|
|
/* restore saved state */
|
|
void (*fb_restore_state)(struct fb_info *info);
|
|
|
|
+ /* Shut down the graphics engine to save power */
|
|
+ int (*fb_powerdown)(struct fb_info *info);
|
|
+
|
|
+ /* Power it back up */
|
|
+ int (*fb_powerup)(struct fb_info *info);
|
|
+
|
|
/* get capability given var */
|
|
void (*fb_get_caps)(struct fb_info *info, struct fb_blit_caps *caps,
|
|
struct fb_var_screeninfo *var);
|
|
@@ -943,6 +949,9 @@ extern int fb_get_color_depth(struct fb_
|
|
extern int fb_get_options(char *name, char **option);
|
|
extern int fb_new_modelist(struct fb_info *info);
|
|
|
|
+extern int fb_powerdown(struct fb_info *info);
|
|
+extern int fb_powerup(struct fb_info *info);
|
|
+
|
|
extern struct fb_info *registered_fb[FB_MAX];
|
|
extern int num_registered_fb;
|
|
extern struct class *fb_class;
|
|
Index: linux-2.6.23.17/include/linux/mtd/onenand.h
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/include/linux/mtd/onenand.h
|
|
+++ linux-2.6.23.17/include/linux/mtd/onenand.h
|
|
@@ -60,6 +60,7 @@ struct onenand_bufferram {
|
|
* @erase_shift: [INTERN] number of address bits in a block
|
|
* @page_shift: [INTERN] number of address bits in a page
|
|
* @page_mask: [INTERN] a page per block mask
|
|
+ * @writesize: [INTERN] a real page size
|
|
* @bufferram_index: [INTERN] BufferRAM index
|
|
* @bufferram: [INTERN] BufferRAM info
|
|
* @readw: [REPLACEABLE] hardware specific function for read short
|
|
@@ -100,6 +101,7 @@ struct onenand_chip {
|
|
unsigned int erase_shift;
|
|
unsigned int page_shift;
|
|
unsigned int page_mask;
|
|
+ unsigned int writesize;
|
|
|
|
unsigned int bufferram_index;
|
|
struct onenand_bufferram bufferram[MAX_BUFFERRAM];
|
|
@@ -140,6 +142,8 @@ struct onenand_chip {
|
|
#define ONENAND_NEXT_BUFFERRAM(this) (this->bufferram_index ^ 1)
|
|
#define ONENAND_SET_NEXT_BUFFERRAM(this) (this->bufferram_index ^= 1)
|
|
#define ONENAND_SET_PREV_BUFFERRAM(this) (this->bufferram_index ^= 1)
|
|
+#define ONENAND_SET_BUFFERRAM0(this) (this->bufferram_index = 0)
|
|
+#define ONENAND_SET_BUFFERRAM1(this) (this->bufferram_index = 1)
|
|
|
|
#define ONENAND_GET_SYS_CFG1(this) \
|
|
(this->read_word(this->base + ONENAND_REG_SYS_CFG1))
|
|
@@ -149,6 +153,13 @@ struct onenand_chip {
|
|
#define ONENAND_IS_DDP(this) \
|
|
(this->device_id & ONENAND_DEVICE_IS_DDP)
|
|
|
|
+#ifdef CONFIG_MTD_ONENAND_2X_PROGRAM
|
|
+#define ONENAND_IS_2PLANE(this) \
|
|
+ (this->options & ONENAND_HAS_2PLANE)
|
|
+#else
|
|
+#define ONENAND_IS_2PLANE(this) (0)
|
|
+#endif
|
|
+
|
|
/* Check byte access in OneNAND */
|
|
#define ONENAND_CHECK_BYTE_ACCESS(addr) (addr & 0x1)
|
|
|
|
@@ -157,6 +168,7 @@ struct onenand_chip {
|
|
*/
|
|
#define ONENAND_HAS_CONT_LOCK (0x0001)
|
|
#define ONENAND_HAS_UNLOCK_ALL (0x0002)
|
|
+#define ONENAND_HAS_2PLANE (0x0004)
|
|
#define ONENAND_PAGEBUF_ALLOC (0x1000)
|
|
#define ONENAND_OOBBUF_ALLOC (0x2000)
|
|
|
|
Index: linux-2.6.23.17/include/linux/mtd/onenand_regs.h
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/include/linux/mtd/onenand_regs.h
|
|
+++ linux-2.6.23.17/include/linux/mtd/onenand_regs.h
|
|
@@ -74,6 +74,8 @@
|
|
|
|
#define ONENAND_DEVICE_DENSITY_512Mb (0x002)
|
|
#define ONENAND_DEVICE_DENSITY_1Gb (0x003)
|
|
+#define ONENAND_DEVICE_DENSITY_2Gb (0x004)
|
|
+#define ONENAND_DEVICE_DENSITY_4Gb (0x005)
|
|
|
|
/*
|
|
* Version ID Register F002h (R)
|
|
@@ -111,6 +113,8 @@
|
|
#define ONENAND_CMD_READOOB (0x13)
|
|
#define ONENAND_CMD_PROG (0x80)
|
|
#define ONENAND_CMD_PROGOOB (0x1A)
|
|
+#define ONENAND_CMD_2X_PROG (0x7D)
|
|
+#define ONENAND_CMD_2X_CACHE_PROG (0x7F)
|
|
#define ONENAND_CMD_UNLOCK (0x23)
|
|
#define ONENAND_CMD_LOCK (0x2A)
|
|
#define ONENAND_CMD_LOCK_TIGHT (0x2C)
|
|
Index: linux-2.6.23.17/include/linux/vt_kern.h
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/include/linux/vt_kern.h
|
|
+++ linux-2.6.23.17/include/linux/vt_kern.h
|
|
@@ -95,4 +95,23 @@ struct vt_spawn_console {
|
|
};
|
|
extern struct vt_spawn_console vt_spawn_con;
|
|
|
|
+/* A notifier list for console events */
|
|
+extern struct raw_notifier_head console_notifier_list;
|
|
+
|
|
+/* Called when the FG console switches to KD_TEXT mode */
|
|
+#define CONSOLE_EVENT_SWITCH_TEXT 0x01
|
|
+
|
|
+/* Called when the FG console switches to KD_GRAPHICS mode */
|
|
+#define CONSOLE_EVENT_SWITCH_GRAPHICS 0x02
|
|
+
|
|
+static inline int console_event_register(struct notifier_block *n)
|
|
+{
|
|
+ return raw_notifier_chain_register(&console_notifier_list, n);
|
|
+}
|
|
+
|
|
+static inline int console_event_unregister(struct notifier_block *n)
|
|
+{
|
|
+ return raw_notifier_chain_unregister(&console_notifier_list, n);
|
|
+}
|
|
+
|
|
#endif /* _VT_KERN_H */
|
|
Index: linux-2.6.23.17/kernel/power/console.c
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/kernel/power/console.c
|
|
+++ linux-2.6.23.17/kernel/power/console.c
|
|
@@ -9,7 +9,7 @@
|
|
#include <linux/console.h>
|
|
#include "power.h"
|
|
|
|
-#if defined(CONFIG_VT) && defined(CONFIG_VT_CONSOLE)
|
|
+#if defined(CONFIG_VT) && defined(CONFIG_VT_CONSOLE) && !defined(CONFIG_DISABLE_SUSPEND_VT_SWITCH)
|
|
#define SUSPEND_CONSOLE (MAX_NR_CONSOLES-1)
|
|
|
|
static int orig_fgconsole, orig_kmsg;
|