diff options
Diffstat (limited to 'package/kernel/mac80211/patches/602-rt2x00-introduce-rt2x00eeprom.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/602-rt2x00-introduce-rt2x00eeprom.patch | 295 |
1 files changed, 295 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/602-rt2x00-introduce-rt2x00eeprom.patch b/package/kernel/mac80211/patches/602-rt2x00-introduce-rt2x00eeprom.patch new file mode 100644 index 0000000000..65711ae330 --- /dev/null +++ b/package/kernel/mac80211/patches/602-rt2x00-introduce-rt2x00eeprom.patch @@ -0,0 +1,295 @@ +--- a/.local-symbols ++++ b/.local-symbols +@@ -336,6 +336,7 @@ RT2X00_LIB_FIRMWARE= + RT2X00_LIB_CRYPTO= + RT2X00_LIB_LEDS= + RT2X00_LIB_DEBUGFS= ++RT2X00_LIB_EEPROM= + RT2X00_DEBUG= + WLAN_VENDOR_REALTEK= + RTL8180= +--- a/drivers/net/wireless/ralink/rt2x00/Kconfig ++++ b/drivers/net/wireless/ralink/rt2x00/Kconfig +@@ -69,6 +69,7 @@ config RT2800PCI + select RT2X00_LIB_MMIO + select RT2X00_LIB_PCI + select RT2X00_LIB_FIRMWARE ++ select RT2X00_LIB_EEPROM + select RT2X00_LIB_CRYPTO + depends on CRC_CCITT + depends on EEPROM_93CX6 +@@ -215,6 +216,7 @@ config RT2800SOC + select RT2X00_LIB_MMIO + select RT2X00_LIB_CRYPTO + select RT2X00_LIB_FIRMWARE ++ select RT2X00_LIB_EEPROM + select RT2800_LIB + select RT2800_LIB_MMIO + ---help--- +@@ -265,6 +267,9 @@ config RT2X00_LIB_FIRMWARE + config RT2X00_LIB_CRYPTO + bool + ++config RT2X00_LIB_EEPROM ++ boolean ++ + config RT2X00_LIB_LEDS + bool + default y if (RT2X00_LIB=y && LEDS_CLASS=y) || (RT2X00_LIB=m && LEDS_CLASS!=n) +--- a/drivers/net/wireless/ralink/rt2x00/Makefile ++++ b/drivers/net/wireless/ralink/rt2x00/Makefile +@@ -7,6 +7,7 @@ rt2x00lib-$(CPTCFG_RT2X00_LIB_DEBUGFS) + + rt2x00lib-$(CPTCFG_RT2X00_LIB_CRYPTO) += rt2x00crypto.o + rt2x00lib-$(CPTCFG_RT2X00_LIB_FIRMWARE) += rt2x00firmware.o + rt2x00lib-$(CPTCFG_RT2X00_LIB_LEDS) += rt2x00leds.o ++rt2x00lib-$(CPTCFG_RT2X00_LIB_EEPROM) += rt2x00eeprom.o + + obj-$(CPTCFG_RT2X00_LIB) += rt2x00lib.o + obj-$(CPTCFG_RT2X00_LIB_MMIO) += rt2x00mmio.o +--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.h ++++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.h +@@ -20,6 +20,8 @@ + #ifndef RT2800LIB_H + #define RT2800LIB_H + ++#include "rt2800.h" ++ + struct rt2800_ops { + void (*register_read)(struct rt2x00_dev *rt2x00dev, + const unsigned int offset, u32 *value); +@@ -119,6 +121,15 @@ static inline int rt2800_read_eeprom(str + { + const struct rt2800_ops *rt2800ops = rt2x00dev->ops->drv; + ++ if (rt2x00dev->eeprom_file) { ++ memcpy(rt2x00dev->eeprom, rt2x00dev->eeprom_file->data, ++ EEPROM_SIZE); ++ return 0; ++ } ++ ++ if (!rt2800ops->read_eeprom) ++ return -EINVAL; ++ + return rt2800ops->read_eeprom(rt2x00dev); + } + +--- a/drivers/net/wireless/ralink/rt2x00/rt2800soc.c ++++ b/drivers/net/wireless/ralink/rt2x00/rt2800soc.c +@@ -102,19 +102,6 @@ static int rt2800soc_set_device_state(st + return retval; + } + +-static int rt2800soc_read_eeprom(struct rt2x00_dev *rt2x00dev) +-{ +- void __iomem *base_addr = ioremap(0x1F040000, EEPROM_SIZE); +- +- if (!base_addr) +- return -ENOMEM; +- +- memcpy_fromio(rt2x00dev->eeprom, base_addr, EEPROM_SIZE); +- +- iounmap(base_addr); +- return 0; +-} +- + /* Firmware functions */ + static char *rt2800soc_get_firmware_name(struct rt2x00_dev *rt2x00dev) + { +@@ -178,7 +165,6 @@ static const struct rt2800_ops rt2800soc + .register_multiread = rt2x00mmio_register_multiread, + .register_multiwrite = rt2x00mmio_register_multiwrite, + .regbusy_read = rt2x00mmio_regbusy_read, +- .read_eeprom = rt2800soc_read_eeprom, + .hwcrypt_disabled = rt2800soc_hwcrypt_disabled, + .drv_write_firmware = rt2800soc_write_firmware, + .drv_init_registers = rt2800mmio_init_registers, +--- a/drivers/net/wireless/ralink/rt2x00/rt2x00.h ++++ b/drivers/net/wireless/ralink/rt2x00/rt2x00.h +@@ -701,6 +701,7 @@ enum rt2x00_capability_flags { + REQUIRE_HT_TX_DESC, + REQUIRE_PS_AUTOWAKE, + REQUIRE_DELAYED_RFKILL, ++ REQUIRE_EEPROM_FILE, + + /* + * Capabilities +@@ -976,6 +977,11 @@ 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/ralink/rt2x00/rt2x00dev.c ++++ b/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c +@@ -1346,6 +1346,10 @@ int rt2x00lib_probe_dev(struct rt2x00_de + INIT_DELAYED_WORK(&rt2x00dev->autowakeup_work, rt2x00lib_autowakeup); + INIT_WORK(&rt2x00dev->sleep_work, rt2x00lib_sleep); + ++ retval = rt2x00lib_load_eeprom_file(rt2x00dev); ++ if (retval) ++ goto exit; ++ + /* + * Let the driver probe the device to detect the capabilities. + */ +@@ -1484,6 +1488,11 @@ void rt2x00lib_remove_dev(struct rt2x00_ + * Free the driver data. + */ + kfree(rt2x00dev->drv_data); ++ ++ /* ++ * Free EEPROM image. ++ */ ++ rt2x00lib_free_eeprom_file(rt2x00dev); + } + EXPORT_SYMBOL_GPL(rt2x00lib_remove_dev); + +--- /dev/null ++++ b/drivers/net/wireless/ralink/rt2x00/rt2x00eeprom.c +@@ -0,0 +1,105 @@ ++/* ++ 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 const char * ++rt2x00lib_get_eeprom_file_name(struct rt2x00_dev *rt2x00dev) ++{ ++ struct rt2x00_platform_data *pdata = rt2x00dev->dev->platform_data; ++ ++ if (pdata && pdata->eeprom_file_name) ++ return pdata->eeprom_file_name; ++ ++ return NULL ++} ++ ++static int rt2x00lib_request_eeprom_file(struct rt2x00_dev *rt2x00dev) ++{ ++ const struct firmware *ee; ++ const char *ee_name; ++ int retval; ++ ++ ee_name = rt2x00lib_get_eeprom_file_name(rt2x00dev); ++ if (!ee_name && test_bit(REQUIRE_EEPROM_FILE, &rt2x00dev->cap_flags)) { ++ rt2x00_err(rt2x00dev, "Required EEPROM name is missing."); ++ return -EINVAL; ++ } ++ ++ if (!ee_name) ++ return 0; ++ ++ rt2x00_info(rt2x00dev, "Loading EEPROM data from '%s'.\n", ee_name); ++ ++ retval = request_firmware(&ee, ee_name, rt2x00dev->dev); ++ if (retval) { ++ rt2x00_err(rt2x00dev, "Failed to request EEPROM.\n"); ++ return retval; ++ } ++ ++ if (!ee || !ee->size || !ee->data) { ++ rt2x00_err(rt2x00dev, "Failed to read EEPROM file.\n"); ++ retval = -ENOENT; ++ goto err_exit; ++ } ++ ++ if (ee->size != rt2x00dev->ops->eeprom_size) { ++ rt2x00_err(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; ++ ++ 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/ralink/rt2x00/rt2x00lib.h ++++ b/drivers/net/wireless/ralink/rt2x00/rt2x00lib.h +@@ -297,6 +297,22 @@ static inline void rt2x00lib_free_firmwa + #endif /* CPTCFG_RT2X00_LIB_FIRMWARE */ + + /* ++ * EEPROM file handlers. ++ */ ++#ifdef CPTCFG_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 /* CPTCFG_RT2X00_LIB_EEPROM */ ++ ++/* + * Debugfs handlers. + */ + #ifdef CPTCFG_RT2X00_LIB_DEBUGFS +--- a/drivers/net/wireless/ralink/rt2x00/rt2x00soc.c ++++ b/drivers/net/wireless/ralink/rt2x00/rt2x00soc.c +@@ -97,6 +97,7 @@ int rt2x00soc_probe(struct platform_devi + if (IS_ERR(rt2x00dev->clk)) + rt2x00dev->clk = NULL; + ++ set_bit(REQUIRE_EEPROM_FILE, &rt2x00dev->cap_flags); + rt2x00_set_chip_intf(rt2x00dev, RT2X00_CHIP_INTF_SOC); + + retval = rt2x00soc_alloc_reg(rt2x00dev); |