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git://projects.qi-hardware.com/openwrt-xburst.git
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[kernel] add Dallas's 1-wire related packages
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@10977 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg
parent
a5fce6fba6
commit
9fdbc25842
116
package/kernel/modules/w1.mk
Normal file
116
package/kernel/modules/w1.mk
Normal file
@ -0,0 +1,116 @@
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#
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# Copyright (C) 2008 OpenWrt.org
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#
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# This is free software, licensed under the GNU General Public License v2.
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# See /LICENSE for more information.
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#
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W1_MENU:=W1 support
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W1_MASTERS_DIR:=$(LINUX_DIR)/drivers/w1/masters
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W1_SLAVES_DIR:=$(LINUX_DIR)/drivers/w1/slaves
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define KernelPackage/w1
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SUBMENU:=$(W1_MENU)
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TITLE:=Dallas's 1-wire support
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DEPENDS:=@LINUX_2_6
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KCONFIG:=CONFIG_W1
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FILES:=$(LINUX_DIR)/drivers/w1/wire.$(LINUX_KMOD_SUFFIX)
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AUTOLOAD:=$(call AutoLoad,50,wire)
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endef
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define KernelPackage/w1/description
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Kernel module for Dallas's 1-wire support
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endef
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$(eval $(call KernelPackage,w1))
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define w1dep
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SUBMENU:=$(W1_MENU)
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DEPENDS:=kmod-w1 $(1)
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endef
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#
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# 1-wire masters
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#
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define KernelPackage/w1-master-gpio
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$(call w1dep,@GPIO_SUPPORT)
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TITLE:=GPIO 1-wire bus master driver
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KCONFIG:=CONFIG_W1_MASTER_GPIO
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FILES:=$(W1_MASTERS_DIR)/w1-gpio.$(LINUX_KMOD_SUFFIX)
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AUTOLOAD:=$(call AutoLoad,51,w1-gpio)
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endef
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define KernelPackage/w1-master-gpio/description
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Kernel module for the GPIO 1-wire bus master driver
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endef
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$(eval $(call KernelPackage,w1-master-gpio))
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#
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# 1-wire slaves
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#
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ifeq (1,1)
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define KernelPackage/w1-slave-therm
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$(call w1dep,)
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TITLE:=Thermal family implementation
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KCONFIG:=CONFIG_W1_SLAVE_THERM
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FILES:=$(W1_SLAVES_DIR)/w1_therm.$(LINUX_KMOD_SUFFIX)
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AUTOLOAD:=$(call AutoLoad,52,w1_therm)
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endef
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define KernelPackage/w1-slave-therm/description
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Kernel module for 1-wire thermal sensors
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endef
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$(eval $(call KernelPackage,w1-slave-therm))
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define KernelPackage/w1-slave-smem
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$(call w1dep,)
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TITLE:=Simple 64bit memory family implementation
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KCONFIG:=CONFIG_W1_SLAVE_SMEM
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FILES:=$(W1_SLAVES_DIR)/w1_smem.$(LINUX_KMOD_SUFFIX)
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AUTOLOAD:=$(call AutoLoad,52,w1_smem)
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endef
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define KernelPackage/w1-slave-smem/description
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Kernel module for 1-wire simple 64bit memory rom(ds2401/ds2411/ds1990*)
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endef
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$(eval $(call KernelPackage,w1-slave-smem))
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define KernelPackage/w1-slave-ds2433
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$(call w1dep,)
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TITLE:=Simple 64bit memory family implementation
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KCONFIG:= \
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CONFIG_W1_SLAVE_DS2433 \
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CONFIG_W1_SLAVE_DS2433_CRC=n
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FILES:=$(W1_SLAVES_DIR)/w1_ds2433.$(LINUX_KMOD_SUFFIX)
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AUTOLOAD:=$(call AutoLoad,52,w1_ds2433)
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endef
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define KernelPackage/w1-slave-ds2433/description
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Kernel module for 1-wire simple 64bit memory rom(ds2401/ds2411/ds1990*)
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endef
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$(eval $(call KernelPackage,w1-slave-ds2433))
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define KernelPackage/w1-slave-ds2760
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$(call w1dep,)
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TITLE:=Dallas 2760 battery monitor chip (HP iPAQ & others)
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KCONFIG:= \
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CONFIG_W1_SLAVE_DS2760 \
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CONFIG_W1_SLAVE_DS2433_CRC=n
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FILES:=$(W1_SLAVES_DIR)/w1_ds2760.$(LINUX_KMOD_SUFFIX)
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AUTOLOAD:=$(call AutoLoad,52,w1_ds2760)
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endef
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define KernelPackage/w1-slave-ds2760/description
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Kernel module for 1-wire DS2760 battery monitor chip support
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endef
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$(eval $(call KernelPackage,w1-slave-ds2760))
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endif
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@ -1702,7 +1702,16 @@ CONFIG_VLAN_8021Q=y
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# CONFIG_VM_EVENT_COUNTERS is not set
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# CONFIG_VT is not set
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# CONFIG_VXFS_FS is not set
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# CONFIG_W1 is not set
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CONFIG_W1=m
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# CONFIG_W1_MASTER_DS1WM is not set
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# CONFIG_W1_MASTER_DS2482 is not set
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# CONFIG_W1_MASTER_DS2490 is not set
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# CONFIG_W1_MASTER_GPIO is not set
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# CONFIG_W1_MASTER_MATROX is not set
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# CONFIG_W1_SLAVE_DS2433 is not set
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# CONFIG_W1_SLAVE_DS2760 is not set
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# CONFIG_W1_SLAVE_SMEM is not set
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# CONFIG_W1_SLAVE_THERM is not set
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# CONFIG_W83627HF_WDT is not set
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# CONFIG_W83697HF_WDT is not set
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# CONFIG_W83877F_WDT is not set
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@ -1755,7 +1755,16 @@ CONFIG_VLAN_8021Q=y
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# CONFIG_VM_EVENT_COUNTERS is not set
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# CONFIG_VT is not set
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# CONFIG_VXFS_FS is not set
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# CONFIG_W1 is not set
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CONFIG_W1=m
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# CONFIG_W1_MASTER_DS1WM is not set
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# CONFIG_W1_MASTER_DS2482 is not set
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# CONFIG_W1_MASTER_DS2490 is not set
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# CONFIG_W1_MASTER_GPIO is not set
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# CONFIG_W1_MASTER_MATROX is not set
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# CONFIG_W1_SLAVE_DS2433 is not set
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# CONFIG_W1_SLAVE_DS2760 is not set
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# CONFIG_W1_SLAVE_SMEM is not set
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# CONFIG_W1_SLAVE_THERM is not set
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# CONFIG_W83627HF_WDT is not set
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# CONFIG_W83697HF_WDT is not set
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# CONFIG_W83877F_WDT is not set
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@ -1780,7 +1780,16 @@ CONFIG_VLAN_8021Q=y
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# CONFIG_VM_EVENT_COUNTERS is not set
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# CONFIG_VT is not set
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# CONFIG_VXFS_FS is not set
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# CONFIG_W1 is not set
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CONFIG_W1=m
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# CONFIG_W1_MASTER_DS1WM is not set
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# CONFIG_W1_MASTER_DS2482 is not set
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# CONFIG_W1_MASTER_DS2490 is not set
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# CONFIG_W1_MASTER_GPIO is not set
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# CONFIG_W1_MASTER_MATROX is not set
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# CONFIG_W1_SLAVE_DS2433 is not set
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# CONFIG_W1_SLAVE_DS2760 is not set
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# CONFIG_W1_SLAVE_SMEM is not set
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# CONFIG_W1_SLAVE_THERM is not set
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# CONFIG_W83627HF_WDT is not set
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# CONFIG_W83697HF_WDT is not set
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# CONFIG_W83877F_WDT is not set
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@ -0,0 +1,186 @@
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Index: linux-2.6.24.5/drivers/w1/masters/Kconfig
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===================================================================
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--- linux-2.6.23.16.orig/drivers/w1/masters/Kconfig
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+++ linux-2.6.23.16/drivers/w1/masters/Kconfig
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@@ -42,5 +42,15 @@ config W1_MASTER_DS1WM
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in HP iPAQ devices like h5xxx, h2200, and ASIC3-based like
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hx4700.
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+config W1_MASTER_GPIO
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+ tristate "GPIO 1-wire busmaster"
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+ depends on GENERIC_GPIO
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+ help
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+ Say Y here if you want to communicate with your 1-wire devices using
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+ GPIO pins. This driver uses the GPIO API to control the wire.
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+
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+ This support is also available as a module. If so, the module
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+ will be called w1-gpio.ko.
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+
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endmenu
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Index: linux-2.6.23.16/drivers/w1/masters/Makefile
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===================================================================
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--- linux-2.6.23.16.orig/drivers/w1/masters/Makefile
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+++ linux-2.6.23.16/drivers/w1/masters/Makefile
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@@ -6,3 +6,4 @@ obj-$(CONFIG_W1_MASTER_MATROX) += matro
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obj-$(CONFIG_W1_MASTER_DS2490) += ds2490.o
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obj-$(CONFIG_W1_MASTER_DS2482) += ds2482.o
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obj-$(CONFIG_W1_MASTER_DS1WM) += ds1wm.o
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+obj-$(CONFIG_W1_MASTER_GPIO) += w1-gpio.o
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Index: linux-2.6.23.16/drivers/w1/masters/w1-gpio.c
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===================================================================
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--- /dev/null
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+++ linux-2.6.23.16/drivers/w1/masters/w1-gpio.c
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@@ -0,0 +1,124 @@
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+/*
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+ * w1-gpio - GPIO w1 bus master driver
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+ *
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+ * Copyright (C) 2007 Ville Syrjala <syrjala@sci.fi>
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+ *
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+ * This program is free software; you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License version 2
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+ * as published by the Free Software Foundation.
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+ */
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+
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+#include <linux/init.h>
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+#include <linux/module.h>
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+#include <linux/platform_device.h>
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+#include <linux/w1-gpio.h>
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+
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+#include "../w1.h"
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+#include "../w1_int.h"
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+
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+#include <asm/gpio.h>
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+
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+static void w1_gpio_write_bit_dir(void *data, u8 bit)
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+{
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+ struct w1_gpio_platform_data *pdata = data;
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+
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+ if (bit)
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+ gpio_direction_input(pdata->pin);
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+ else
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+ gpio_direction_output(pdata->pin, 0);
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+}
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+
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+static void w1_gpio_write_bit_val(void *data, u8 bit)
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+{
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+ struct w1_gpio_platform_data *pdata = data;
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+
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+ gpio_set_value(pdata->pin, bit);
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+}
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+
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+static u8 w1_gpio_read_bit(void *data)
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+{
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+ struct w1_gpio_platform_data *pdata = data;
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+
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+ return gpio_get_value(pdata->pin);
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+}
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+
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+static int __init w1_gpio_probe(struct platform_device *pdev)
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+{
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+ struct w1_bus_master *master;
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+ struct w1_gpio_platform_data *pdata = pdev->dev.platform_data;
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+ int err;
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+
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+ if (!pdata)
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+ return -ENXIO;
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+
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+ master = kzalloc(sizeof(struct w1_bus_master), GFP_KERNEL);
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+ if (!master)
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+ return -ENOMEM;
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+
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+ err = gpio_request(pdata->pin, "w1");
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+ if (err)
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+ goto free_master;
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+
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+ master->data = pdata;
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+ master->read_bit = w1_gpio_read_bit;
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+
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+ if (pdata->is_open_drain) {
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+ gpio_direction_output(pdata->pin, 1);
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+ master->write_bit = w1_gpio_write_bit_val;
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+ } else {
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+ gpio_direction_input(pdata->pin);
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+ master->write_bit = w1_gpio_write_bit_dir;
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+ }
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+
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+ err = w1_add_master_device(master);
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+ if (err)
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+ goto free_gpio;
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+
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+ platform_set_drvdata(pdev, master);
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+
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+ return 0;
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+
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+ free_gpio:
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+ gpio_free(pdata->pin);
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+ free_master:
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+ kfree(master);
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+
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+ return err;
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+}
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+
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+static int __exit w1_gpio_remove(struct platform_device *pdev)
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+{
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+ struct w1_bus_master *master = platform_get_drvdata(pdev);
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+ struct w1_gpio_platform_data *pdata = pdev->dev.platform_data;
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+
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+ w1_remove_master_device(master);
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+ gpio_free(pdata->pin);
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+ kfree(master);
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+
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+ return 0;
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+}
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+
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+static struct platform_driver w1_gpio_driver = {
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+ .driver = {
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+ .name = "w1-gpio",
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+ .owner = THIS_MODULE,
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+ },
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+ .remove = __exit_p(w1_gpio_remove),
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+};
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+
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+static int __init w1_gpio_init(void)
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+{
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+ return platform_driver_probe(&w1_gpio_driver, w1_gpio_probe);
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+}
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+
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+static void __exit w1_gpio_exit(void)
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+{
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+ platform_driver_unregister(&w1_gpio_driver);
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+}
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+
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+module_init(w1_gpio_init);
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+module_exit(w1_gpio_exit);
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+
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+MODULE_DESCRIPTION("GPIO w1 bus master driver");
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+MODULE_AUTHOR("Ville Syrjala <syrjala@sci.fi>");
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+MODULE_LICENSE("GPL");
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Index: linux-2.6.23.16/include/linux/w1-gpio.h
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===================================================================
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--- /dev/null
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+++ linux-2.6.23.16/include/linux/w1-gpio.h
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@@ -0,0 +1,23 @@
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+/*
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+ * w1-gpio interface to platform code
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+ *
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+ * Copyright (C) 2007 Ville Syrjala <syrjala@sci.fi>
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+ *
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+ * This program is free software; you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License version 2
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+ * as published by the Free Software Foundation.
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+ */
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+#ifndef _LINUX_W1_GPIO_H
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+#define _LINUX_W1_GPIO_H
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+
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+/**
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+ * struct w1_gpio_platform_data - Platform-dependent data for w1-gpio
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+ * @pin: GPIO pin to use
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+ * @is_open_drain: GPIO pin is configured as open drain
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+ */
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+struct w1_gpio_platform_data {
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+ unsigned int pin;
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+ unsigned int is_open_drain:1;
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+};
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+
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+#endif /* _LINUX_W1_GPIO_H */
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@ -0,0 +1,186 @@
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Index: linux-2.6.24.5/drivers/w1/masters/Kconfig
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===================================================================
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--- linux-2.6.24.5.orig/drivers/w1/masters/Kconfig
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+++ linux-2.6.24.5/drivers/w1/masters/Kconfig
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@@ -42,5 +42,15 @@ config W1_MASTER_DS1WM
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in HP iPAQ devices like h5xxx, h2200, and ASIC3-based like
|
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hx4700.
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+config W1_MASTER_GPIO
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+ tristate "GPIO 1-wire busmaster"
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+ depends on GENERIC_GPIO
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+ help
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+ Say Y here if you want to communicate with your 1-wire devices using
|
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+ GPIO pins. This driver uses the GPIO API to control the wire.
|
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+
|
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+ This support is also available as a module. If so, the module
|
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+ will be called w1-gpio.ko.
|
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+
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endmenu
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Index: linux-2.6.24.5/drivers/w1/masters/Makefile
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===================================================================
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--- linux-2.6.24.5.orig/drivers/w1/masters/Makefile
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+++ linux-2.6.24.5/drivers/w1/masters/Makefile
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@@ -6,3 +6,4 @@ obj-$(CONFIG_W1_MASTER_MATROX) += matro
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obj-$(CONFIG_W1_MASTER_DS2490) += ds2490.o
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obj-$(CONFIG_W1_MASTER_DS2482) += ds2482.o
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obj-$(CONFIG_W1_MASTER_DS1WM) += ds1wm.o
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+obj-$(CONFIG_W1_MASTER_GPIO) += w1-gpio.o
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Index: linux-2.6.24.5/drivers/w1/masters/w1-gpio.c
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===================================================================
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--- /dev/null
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+++ linux-2.6.24.5/drivers/w1/masters/w1-gpio.c
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@@ -0,0 +1,124 @@
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+/*
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+ * w1-gpio - GPIO w1 bus master driver
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+ *
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+ * Copyright (C) 2007 Ville Syrjala <syrjala@sci.fi>
|
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+ *
|
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+ * This program is free software; you can redistribute it and/or modify
|
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+ * it under the terms of the GNU General Public License version 2
|
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+ * as published by the Free Software Foundation.
|
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+ */
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+
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+#include <linux/init.h>
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+#include <linux/module.h>
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+#include <linux/platform_device.h>
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+#include <linux/w1-gpio.h>
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+
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+#include "../w1.h"
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+#include "../w1_int.h"
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+
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+#include <asm/gpio.h>
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+
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+static void w1_gpio_write_bit_dir(void *data, u8 bit)
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+{
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+ struct w1_gpio_platform_data *pdata = data;
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+
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+ if (bit)
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+ gpio_direction_input(pdata->pin);
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+ else
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+ gpio_direction_output(pdata->pin, 0);
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+}
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+
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+static void w1_gpio_write_bit_val(void *data, u8 bit)
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+{
|
||||
+ struct w1_gpio_platform_data *pdata = data;
|
||||
+
|
||||
+ gpio_set_value(pdata->pin, bit);
|
||||
+}
|
||||
+
|
||||
+static u8 w1_gpio_read_bit(void *data)
|
||||
+{
|
||||
+ struct w1_gpio_platform_data *pdata = data;
|
||||
+
|
||||
+ return gpio_get_value(pdata->pin);
|
||||
+}
|
||||
+
|
||||
+static int __init w1_gpio_probe(struct platform_device *pdev)
|
||||
+{
|
||||
+ struct w1_bus_master *master;
|
||||
+ struct w1_gpio_platform_data *pdata = pdev->dev.platform_data;
|
||||
+ int err;
|
||||
+
|
||||
+ if (!pdata)
|
||||
+ return -ENXIO;
|
||||
+
|
||||
+ master = kzalloc(sizeof(struct w1_bus_master), GFP_KERNEL);
|
||||
+ if (!master)
|
||||
+ return -ENOMEM;
|
||||
+
|
||||
+ err = gpio_request(pdata->pin, "w1");
|
||||
+ if (err)
|
||||
+ goto free_master;
|
||||
+
|
||||
+ master->data = pdata;
|
||||
+ master->read_bit = w1_gpio_read_bit;
|
||||
+
|
||||
+ if (pdata->is_open_drain) {
|
||||
+ gpio_direction_output(pdata->pin, 1);
|
||||
+ master->write_bit = w1_gpio_write_bit_val;
|
||||
+ } else {
|
||||
+ gpio_direction_input(pdata->pin);
|
||||
+ master->write_bit = w1_gpio_write_bit_dir;
|
||||
+ }
|
||||
+
|
||||
+ err = w1_add_master_device(master);
|
||||
+ if (err)
|
||||
+ goto free_gpio;
|
||||
+
|
||||
+ platform_set_drvdata(pdev, master);
|
||||
+
|
||||
+ return 0;
|
||||
+
|
||||
+ free_gpio:
|
||||
+ gpio_free(pdata->pin);
|
||||
+ free_master:
|
||||
+ kfree(master);
|
||||
+
|
||||
+ return err;
|
||||
+}
|
||||
+
|
||||
+static int __exit w1_gpio_remove(struct platform_device *pdev)
|
||||
+{
|
||||
+ struct w1_bus_master *master = platform_get_drvdata(pdev);
|
||||
+ struct w1_gpio_platform_data *pdata = pdev->dev.platform_data;
|
||||
+
|
||||
+ w1_remove_master_device(master);
|
||||
+ gpio_free(pdata->pin);
|
||||
+ kfree(master);
|
||||
+
|
||||
+ return 0;
|
||||
+}
|
||||
+
|
||||
+static struct platform_driver w1_gpio_driver = {
|
||||
+ .driver = {
|
||||
+ .name = "w1-gpio",
|
||||
+ .owner = THIS_MODULE,
|
||||
+ },
|
||||
+ .remove = __exit_p(w1_gpio_remove),
|
||||
+};
|
||||
+
|
||||
+static int __init w1_gpio_init(void)
|
||||
+{
|
||||
+ return platform_driver_probe(&w1_gpio_driver, w1_gpio_probe);
|
||||
+}
|
||||
+
|
||||
+static void __exit w1_gpio_exit(void)
|
||||
+{
|
||||
+ platform_driver_unregister(&w1_gpio_driver);
|
||||
+}
|
||||
+
|
||||
+module_init(w1_gpio_init);
|
||||
+module_exit(w1_gpio_exit);
|
||||
+
|
||||
+MODULE_DESCRIPTION("GPIO w1 bus master driver");
|
||||
+MODULE_AUTHOR("Ville Syrjala <syrjala@sci.fi>");
|
||||
+MODULE_LICENSE("GPL");
|
||||
Index: linux-2.6.24.5/include/linux/w1-gpio.h
|
||||
===================================================================
|
||||
--- /dev/null
|
||||
+++ linux-2.6.24.5/include/linux/w1-gpio.h
|
||||
@@ -0,0 +1,23 @@
|
||||
+/*
|
||||
+ * w1-gpio interface to platform code
|
||||
+ *
|
||||
+ * Copyright (C) 2007 Ville Syrjala <syrjala@sci.fi>
|
||||
+ *
|
||||
+ * This program is free software; you can redistribute it and/or modify
|
||||
+ * it under the terms of the GNU General Public License version 2
|
||||
+ * as published by the Free Software Foundation.
|
||||
+ */
|
||||
+#ifndef _LINUX_W1_GPIO_H
|
||||
+#define _LINUX_W1_GPIO_H
|
||||
+
|
||||
+/**
|
||||
+ * struct w1_gpio_platform_data - Platform-dependent data for w1-gpio
|
||||
+ * @pin: GPIO pin to use
|
||||
+ * @is_open_drain: GPIO pin is configured as open drain
|
||||
+ */
|
||||
+struct w1_gpio_platform_data {
|
||||
+ unsigned int pin;
|
||||
+ unsigned int is_open_drain:1;
|
||||
+};
|
||||
+
|
||||
+#endif /* _LINUX_W1_GPIO_H */
|
||||
Loading…
Reference in New Issue
Block a user