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

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SVN-Revision: 27395
This commit is contained in:
Gabor Juhos 2011-07-03 15:02:04 +00:00
parent ab90ca8945
commit 1c96bc9abc
4 changed files with 320 additions and 1 deletions
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5
package/mac80211/Makefile
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@ -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) \

32
package/mac80211/patches/602-rt2x00-introduce-rt2x00_platform_h.patch Normal file
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@ -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>

274
package/mac80211/patches/603-rt2x00-introduce-rt2x00eeprom.patch Normal file
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@ -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);

10
package/mac80211/patches/604-rt2x00-add-CONFIG_RT2X00_LIB_EEPROM-option.patch Normal file
View File

@ -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