max80211: rt2x00: load the eeprom data from a file on Ralink SoCs

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27395 3c298f89-4303-0410-b956-a3cf2f4a3e73
2024-07-04 21:34:32 +03:00 · 2011-07-03 15:02:04 +00:00 · 2011-07-03 15:02:04 +00:00 · c8de904b8c
commit c8de904b8c
parent b822ad3172
4 changed files with 320 additions and 1 deletions
--- a/package/mac80211/Makefile
+++ b/package/mac80211/Makefile
@ -11,7 +11,7 @@ include $(INCLUDE_DIR)/kernel.mk
 PKG_NAME:=mac80211

 PKG_VERSION:=2011-06-22
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 PKG_SOURCE_URL:=http://mirror2.openwrt.org/sources
 PKG_MD5SUM:=3ffdd5cecedcf4236f599bdbc55ba10d

@ -198,6 +198,7 @@ endef

 NEED_RT2X00_LIB_CRYPTO:=y
 NEED_RT2X00_LIB_FIRMWARE:=y
+NEED_RT2X00_LIB_EEPROM:=y
 NEED_RT2X00_LIB_HT:=y
 NEED_RT2X00_LIB_LEDS:=y

@ -1025,6 +1026,7 @@ BUILDFLAGS:= \
 	$(if $(NEED_RT2X00_LIB_HT),-DCONFIG_RT2X00_LIB_HT) \
 	$(if $(NEED_RT2X00_LIB_CRYPTO),-DCONFIG_RT2X00_LIB_CRYPTO) \
 	$(if $(NEED_RT2X00_LIB_FIRMWARE),-DCONFIG_RT2X00_LIB_FIRMWARE) \
+	$(if $(NEED_RT2X00_LIB_EEPROM),-DCONFIG_RT2X00_LIB_EEPROM) \
 	$(if $(NEED_RT2X00_LIB_LEDS),-DCONFIG_RT2X00_LIB_LEDS) \
 	$(if $(CONFIG_PACKAGE_kmod-rt2x00-pci),-DCONFIG_RT2X00_LIB_PCI) \
 	$(if $(CONFIG_PACKAGE_kmod-rt2x00-usb),-DCONFIG_RT2X00_LIB_USB) \
@ -1086,6 +1088,7 @@ MAKE_OPTS:= \
 	CONFIG_RT2X00_LIB_DEBUGFS=$(CONFIG_PACKAGE_RT2X00_LIB_DEBUGFS) \
 	CONFIG_RT2X00_LIB_CRYPTO=$(NEED_RT2X00_LIB_CRYPTO) \
 	CONFIG_RT2X00_LIB_FIRMWARE=$(NEED_RT2X00_LIB_FIRMWARE) \
+	CONFIG_RT2X00_LIB_EEPROM=$(NEED_RT2X00_LIB_EEPROM) \
 	CONFIG_RT2X00_LIB_HT=$(NEED_RT2X00_LIB_HT) \
 	CONFIG_RT2X00_LIB_LEDS=$(NEED_RT2X00_LIB_LEDS) \
 	CONFIG_RT2400PCI=$(if $(CONFIG_PACKAGE_kmod-rt2400-pci),m) \
--- a/package/mac80211/patches/602-rt2x00-introduce-rt2x00_platform_h.patch
+++ b/package/mac80211/patches/602-rt2x00-introduce-rt2x00_platform_h.patch
@ -0,0 +1,32 @@
+--- /dev/null
+++ b/include/linux/rt2x00_platform.h
+@@ -0,0 +1,19 @@
+/*
+ * Platform data definition for the rt2x00 driver
+ *
+ * Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
+ *
+ * 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 _RT2X00_PLATFORM_H
+#define _RT2X00_PLATFORM_H
+
+struct rt2x00_platform_data {
+	char *eeprom_file_name;
+};
+
+#endif /* _RT2X00_PLATFORM_H */
+--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
+@@ -38,6 +38,7 @@
+ #include <linux/input-polldev.h>
+ #include <linux/kfifo.h>
+ #include <linux/timer.h>
+#include <linux/rt2x00_platform.h>
+ 
+ #include <net/mac80211.h>
+ 
--- a/package/mac80211/patches/603-rt2x00-introduce-rt2x00eeprom.patch
+++ b/package/mac80211/patches/603-rt2x00-introduce-rt2x00eeprom.patch
@ -0,0 +1,274 @@
+--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt2x00eeprom.c
+@@ -0,0 +1,98 @@
+/*
+	Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
+	Copyright (C) 2004 - 2009 Gertjan van Wingerde <gwingerde@gmail.com>
+	<http://rt2x00.serialmonkey.com>
+
+	This program is free software; you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation; either version 2 of the License, or
+	(at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with this program; if not, write to the
+	Free Software Foundation, Inc.,
+	59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+	Module: rt2x00lib
+	Abstract: rt2x00 eeprom file loading routines.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+
+#include "rt2x00.h"
+#include "rt2x00lib.h"
+
+static int rt2x00lib_request_eeprom_file(struct rt2x00_dev *rt2x00dev)
+{
+	const struct firmware *ee;
+	char *ee_name;
+	int retval;
+
+	ee_name = rt2x00dev->ops->lib->get_eeprom_file_name(rt2x00dev);
+	if (!ee_name) {
+		ERROR(rt2x00dev,
+		      "Invalid EEPROM filename.\n"
+		      "Please file bug report to %s.\n", DRV_PROJECT);
+		return -EINVAL;
+	}
+
+	INFO(rt2x00dev, "Loading EEPROM data from '%s'.\n", ee_name);
+
+	retval = request_firmware(&ee, ee_name, rt2x00dev->dev);
+	if (retval) {
+		ERROR(rt2x00dev, "Failed to request EEPROM.\n");
+		return retval;
+	}
+
+	if (!ee || !ee->size || !ee->data) {
+		ERROR(rt2x00dev, "Failed to read EEPROM file.\n");
+		retval = -ENOENT;
+		goto err_exit;
+	}
+
+	if (ee->size != rt2x00dev->ops->eeprom_size) {
+		ERROR(rt2x00dev,
+		      "EEPROM file size is invalid, it should be %d bytes\n",
+		      rt2x00dev->ops->eeprom_size);
+		retval = -EINVAL;
+		goto err_release_ee;
+	}
+
+	rt2x00dev->eeprom_file = ee;
+	return 0;
+
+err_release_ee:
+	release_firmware(ee);
+err_exit:
+	return retval;
+}
+
+int rt2x00lib_load_eeprom_file(struct rt2x00_dev *rt2x00dev)
+{
+	int retval;
+
+	if (!test_bit(REQUIRE_EEPROM_FILE, &rt2x00dev->cap_flags))
+		return 0;
+
+	if (!rt2x00dev->eeprom_file) {
+		retval = rt2x00lib_request_eeprom_file(rt2x00dev);
+		if (retval)
+			return retval;
+	}
+
+	return 0;
+}
+
+void rt2x00lib_free_eeprom_file(struct rt2x00_dev *rt2x00dev)
+{
+	release_firmware(rt2x00dev->eeprom_file);
+	rt2x00dev->eeprom_file = NULL;
+}
+--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
+@@ -538,6 +538,7 @@ struct rt2x00lib_ops {
+ 			       const u8 *data, const size_t len);
+ 	int (*load_firmware) (struct rt2x00_dev *rt2x00dev,
+ 			      const u8 *data, const size_t len);
+	char *(*get_eeprom_file_name) (struct rt2x00_dev *rt2x00dev);
+ 
+ 	/*
+ 	 * Device initialization/deinitialization handlers.
+@@ -684,6 +685,7 @@ enum rt2x00_capability_flags {
+ 	REQUIRE_SW_SEQNO,
+ 	REQUIRE_HT_TX_DESC,
+ 	REQUIRE_PS_AUTOWAKE,
+	REQUIRE_EEPROM_FILE,
+ 
+ 	/*
+ 	 * Capabilities
+@@ -939,6 +941,11 @@ struct rt2x00_dev {
+ 	const struct firmware *fw;
+ 
+ 	/*
+	 * EEPROM image.
+	 */
+	const struct firmware *eeprom_file;
+
+	/*
+ 	 * FIFO for storing tx status reports between isr and tasklet.
+ 	 */
+ 	DECLARE_KFIFO_PTR(txstatus_fifo, u32);
+--- a/drivers/net/wireless/rt2x00/rt2x00lib.h
+++ b/drivers/net/wireless/rt2x00/rt2x00lib.h
+@@ -309,6 +309,22 @@ static inline void rt2x00lib_free_firmwa
+ #endif /* CONFIG_RT2X00_LIB_FIRMWARE */
+ 
+ /*
+ * EEPROM file handlers.
+ */
+#ifdef CONFIG_RT2X00_LIB_EEPROM
+int rt2x00lib_load_eeprom_file(struct rt2x00_dev *rt2x00dev);
+void rt2x00lib_free_eeprom_file(struct rt2x00_dev *rt2x00dev);
+#else
+static inline int rt2x00lib_load_eeprom_file(struct rt2x00_dev *rt2x00dev)
+{
+	return 0;
+}
+static inline void rt2x00lib_free_eeprom_file(struct rt2x00_dev *rt2x00dev)
+{
+}
+#endif /* CONFIG_RT2X00_LIB_EEPROM_FILE */
+
+/*
+  * Debugfs handlers.
+  */
+ #ifdef CONFIG_RT2X00_LIB_DEBUGFS
+--- a/drivers/net/wireless/rt2x00/Kconfig
+++ b/drivers/net/wireless/rt2x00/Kconfig
+@@ -60,6 +60,7 @@ config RT2800PCI
+ 	select RT2X00_LIB_PCI if PCI
+ 	select RT2X00_LIB_SOC if RALINK_RT288X || RALINK_RT305X
+ 	select RT2X00_LIB_FIRMWARE
+	select RT2X00_LIB_EEPROM
+ 	select RT2X00_LIB_CRYPTO
+ 	select CRC_CCITT
+ 	select EEPROM_93CX6
+@@ -204,6 +205,9 @@ config RT2X00_LIB_FIRMWARE
+ config RT2X00_LIB_CRYPTO
+ 	boolean
+ 
+config RT2X00_LIB_EEPROM
+	boolean
+
+ config RT2X00_LIB_LEDS
+ 	boolean
+ 	default y if (RT2X00_LIB=y && LEDS_CLASS=y) || (RT2X00_LIB=m && LEDS_CLASS!=n)
+--- a/drivers/net/wireless/rt2x00/Makefile
+++ b/drivers/net/wireless/rt2x00/Makefile
+@@ -7,6 +7,7 @@ rt2x00lib-$(CONFIG_RT2X00_LIB_DEBUGFS)	+
+ rt2x00lib-$(CONFIG_RT2X00_LIB_CRYPTO)	+= rt2x00crypto.o
+ rt2x00lib-$(CONFIG_RT2X00_LIB_FIRMWARE)	+= rt2x00firmware.o
+ rt2x00lib-$(CONFIG_RT2X00_LIB_LEDS)	+= rt2x00leds.o
+rt2x00lib-$(CONFIG_RT2X00_LIB_EEPROM)	+= rt2x00eeprom.o
+ 
+ obj-$(CONFIG_RT2X00_LIB)		+= rt2x00lib.o
+ obj-$(CONFIG_RT2X00_LIB_PCI)		+= rt2x00pci.o
+--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
+@@ -84,20 +84,10 @@ static void rt2800pci_mcu_status(struct 
+ 	rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0);
+ }
+ 
+-#if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X)
+ static void rt2800pci_read_eeprom_soc(struct rt2x00_dev *rt2x00dev)
+ {
+-	void __iomem *base_addr = ioremap(0x1F040000, EEPROM_SIZE);
+-
+-	memcpy_fromio(rt2x00dev->eeprom, base_addr, EEPROM_SIZE);
+-
+-	iounmap(base_addr);
+	memcpy(rt2x00dev->eeprom, rt2x00dev->eeprom_file->data, EEPROM_SIZE);
+ }
+-#else
+-static inline void rt2800pci_read_eeprom_soc(struct rt2x00_dev *rt2x00dev)
+-{
+-}
+-#endif /* CONFIG_RALINK_RT288X || CONFIG_RALINK_RT305X */
+ 
+ #ifdef CONFIG_PCI
+ static void rt2800pci_eepromregister_read(struct eeprom_93cx6 *eeprom)
+@@ -315,6 +305,20 @@ static int rt2800pci_write_firmware(stru
+ }
+ 
+ /*
+ * EEPROM file functions.
+ */
+static char *rt2800pci_get_eeprom_file_name(struct rt2x00_dev *rt2x00dev)
+{
+	struct rt2x00_platform_data *pdata;
+
+	pdata = rt2x00dev->dev->platform_data;
+	if (pdata)
+		return pdata->eeprom_file_name;
+
+	return NULL;
+}
+
+/*
+  * Initialization functions.
+  */
+ static bool rt2800pci_get_entry_state(struct queue_entry *entry)
+@@ -1057,6 +1061,7 @@ static const struct rt2x00lib_ops rt2800
+ 	.get_firmware_name	= rt2800pci_get_firmware_name,
+ 	.check_firmware		= rt2800_check_firmware,
+ 	.load_firmware		= rt2800_load_firmware,
+	.get_eeprom_file_name   = rt2800pci_get_eeprom_file_name,
+ 	.initialize		= rt2x00pci_initialize,
+ 	.uninitialize		= rt2x00pci_uninitialize,
+ 	.get_entry_state	= rt2800pci_get_entry_state,
+--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
+@@ -1122,6 +1122,10 @@ int rt2x00lib_probe_dev(struct rt2x00_de
+ 	INIT_WORK(&rt2x00dev->intf_work, rt2x00lib_intf_scheduled);
+ 	INIT_DELAYED_WORK(&rt2x00dev->autowakeup_work, rt2x00lib_autowakeup);
+ 
+	retval = rt2x00lib_load_eeprom_file(rt2x00dev);
+	if (retval)
+		goto exit;
+
+ 	/*
+ 	 * Let the driver probe the device to detect the capabilities.
+ 	 */
+@@ -1223,6 +1227,11 @@ void rt2x00lib_remove_dev(struct rt2x00_
+ 	 * Free queue structures.
+ 	 */
+ 	rt2x00queue_free(rt2x00dev);
+
+	/*
+	 * Free EEPROM image.
+	 */
+	rt2x00lib_free_eeprom_file(rt2x00dev);
+ }
+ EXPORT_SYMBOL_GPL(rt2x00lib_remove_dev);
+ 
+--- a/drivers/net/wireless/rt2x00/rt2x00soc.c
+++ b/drivers/net/wireless/rt2x00/rt2x00soc.c
+@@ -94,6 +94,7 @@ int rt2x00soc_probe(struct platform_devi
+ 	rt2x00dev->hw = hw;
+ 	rt2x00dev->irq = platform_get_irq(pdev, 0);
+ 	rt2x00dev->name = pdev->dev.driver->name;
+	set_bit(REQUIRE_EEPROM_FILE, &rt2x00dev->cap_flags);
+ 
+ 	rt2x00_set_chip_intf(rt2x00dev, RT2X00_CHIP_INTF_SOC);
+ 
--- a/package/mac80211/patches/604-rt2x00-add-CONFIG_RT2X00_LIB_EEPROM-option.patch
+++ b/package/mac80211/patches/604-rt2x00-add-CONFIG_RT2X00_LIB_EEPROM-option.patch
@ -0,0 +1,10 @@
+--- a/config.mk
+++ b/config.mk
+@@ -578,6 +578,7 @@ CONFIG_RT2X00=y
+ CONFIG_RT2X00_LIB=m
+ CONFIG_RT2800_LIB=m
+ CONFIG_RT2X00_LIB_FIRMWARE=y
+CONFIG_RT2X00_LIB_EEPROM=y
+ CONFIG_RT2X00_LIB_CRYPTO=y
+ # CONFIG_RT2X00_LIB_SOC=y
+ ifdef CONFIG_COMPAT_KERNEL_2_6_25