290 lines
8.0 KiB
Diff
290 lines
8.0 KiB
Diff
--- /dev/null
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+++ b/drivers/net/wireless/rt2x00/rt2x00eeprom.c
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@@ -0,0 +1,98 @@
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+/*
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+ Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
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+ Copyright (C) 2004 - 2009 Gertjan van Wingerde <gwingerde@gmail.com>
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+ <http://rt2x00.serialmonkey.com>
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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 as published by
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+ the Free Software Foundation; either version 2 of the License, or
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+ (at your option) any later version.
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+
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+ This program is distributed in the hope that it will be useful,
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+ GNU General Public License for more details.
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+
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+ You should have received a copy of the GNU General Public License
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+ along with this program; if not, write to the
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+ Free Software Foundation, Inc.,
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+ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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+ */
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+
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+/*
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+ Module: rt2x00lib
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+ Abstract: rt2x00 eeprom file loading routines.
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+ */
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+
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+#include <linux/kernel.h>
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+#include <linux/module.h>
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+
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+#include "rt2x00.h"
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+#include "rt2x00lib.h"
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+
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+static int rt2x00lib_request_eeprom_file(struct rt2x00_dev *rt2x00dev)
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+{
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+ const struct firmware *ee;
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+ char *ee_name;
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+ int retval;
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+
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+ ee_name = rt2x00dev->ops->lib->get_eeprom_file_name(rt2x00dev);
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+ if (!ee_name) {
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+ rt2x00_err(rt2x00dev,
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+ "Invalid EEPROM filename.\n"
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+ "Please file bug report to %s.\n", DRV_PROJECT);
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+ return -EINVAL;
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+ }
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+
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+ rt2x00_info(rt2x00dev, "Loading EEPROM data from '%s'.\n", ee_name);
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+
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+ retval = request_firmware(&ee, ee_name, rt2x00dev->dev);
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+ if (retval) {
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+ rt2x00_err(rt2x00dev, "Failed to request EEPROM.\n");
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+ return retval;
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+ }
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+
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+ if (!ee || !ee->size || !ee->data) {
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+ rt2x00_err(rt2x00dev, "Failed to read EEPROM file.\n");
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+ retval = -ENOENT;
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+ goto err_exit;
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+ }
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+
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+ if (ee->size != rt2x00dev->ops->eeprom_size) {
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+ rt2x00_err(rt2x00dev,
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+ "EEPROM file size is invalid, it should be %d bytes\n",
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+ rt2x00dev->ops->eeprom_size);
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+ retval = -EINVAL;
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+ goto err_release_ee;
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+ }
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+
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+ rt2x00dev->eeprom_file = ee;
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+ return 0;
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+
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+err_release_ee:
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+ release_firmware(ee);
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+err_exit:
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+ return retval;
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+}
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+
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+int rt2x00lib_load_eeprom_file(struct rt2x00_dev *rt2x00dev)
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+{
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+ int retval;
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+
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+ if (!test_bit(REQUIRE_EEPROM_FILE, &rt2x00dev->cap_flags))
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+ return 0;
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+
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+ if (!rt2x00dev->eeprom_file) {
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+ retval = rt2x00lib_request_eeprom_file(rt2x00dev);
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+ if (retval)
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+ return retval;
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+ }
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+
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+ return 0;
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+}
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+
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+void rt2x00lib_free_eeprom_file(struct rt2x00_dev *rt2x00dev)
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+{
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+ release_firmware(rt2x00dev->eeprom_file);
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+ rt2x00dev->eeprom_file = NULL;
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+}
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--- a/drivers/net/wireless/rt2x00/rt2x00.h
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+++ b/drivers/net/wireless/rt2x00/rt2x00.h
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@@ -549,6 +549,7 @@ struct rt2x00lib_ops {
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const u8 *data, const size_t len);
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int (*load_firmware) (struct rt2x00_dev *rt2x00dev,
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const u8 *data, const size_t len);
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+ char *(*get_eeprom_file_name) (struct rt2x00_dev *rt2x00dev);
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/*
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* Device initialization/deinitialization handlers.
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@@ -705,6 +706,7 @@ enum rt2x00_capability_flags {
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REQUIRE_SW_SEQNO,
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REQUIRE_HT_TX_DESC,
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REQUIRE_PS_AUTOWAKE,
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+ REQUIRE_EEPROM_FILE,
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/*
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* Capabilities
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@@ -974,6 +976,11 @@ struct rt2x00_dev {
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const struct firmware *fw;
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/*
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+ * EEPROM image.
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+ */
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+ const struct firmware *eeprom_file;
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+
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+ /*
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* FIFO for storing tx status reports between isr and tasklet.
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*/
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DECLARE_KFIFO_PTR(txstatus_fifo, u32);
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--- a/drivers/net/wireless/rt2x00/rt2x00lib.h
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+++ b/drivers/net/wireless/rt2x00/rt2x00lib.h
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@@ -322,6 +322,22 @@ static inline void rt2x00lib_free_firmwa
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#endif /* CPTCFG_RT2X00_LIB_FIRMWARE */
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/*
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+ * EEPROM file handlers.
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+ */
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+#ifdef CPTCFG_RT2X00_LIB_EEPROM
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+int rt2x00lib_load_eeprom_file(struct rt2x00_dev *rt2x00dev);
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+void rt2x00lib_free_eeprom_file(struct rt2x00_dev *rt2x00dev);
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+#else
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+static inline int rt2x00lib_load_eeprom_file(struct rt2x00_dev *rt2x00dev)
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+{
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+ return 0;
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+}
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+static inline void rt2x00lib_free_eeprom_file(struct rt2x00_dev *rt2x00dev)
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+{
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+}
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+#endif /* CPTCFG_RT2X00_LIB_EEPROM */
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+
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+/*
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* Debugfs handlers.
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*/
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#ifdef CPTCFG_RT2X00_LIB_DEBUGFS
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--- a/drivers/net/wireless/rt2x00/Kconfig
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+++ b/drivers/net/wireless/rt2x00/Kconfig
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@@ -69,6 +69,7 @@ config RT2800PCI
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select RT2X00_LIB_PCI if PCI
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select RT2X00_LIB_SOC if SOC_RT288X || SOC_RT305X
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select RT2X00_LIB_FIRMWARE
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+ select RT2X00_LIB_EEPROM
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select RT2X00_LIB_CRYPTO
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depends on CRC_CCITT
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depends on EEPROM_93CX6
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@@ -238,6 +239,9 @@ config RT2X00_LIB_FIRMWARE
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config RT2X00_LIB_CRYPTO
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boolean
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+config RT2X00_LIB_EEPROM
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+ boolean
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+
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config RT2X00_LIB_LEDS
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depends on !BACKPORT_KERNEL_2_6_25
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boolean
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--- a/drivers/net/wireless/rt2x00/Makefile
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+++ b/drivers/net/wireless/rt2x00/Makefile
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@@ -7,6 +7,7 @@ rt2x00lib-$(CPTCFG_RT2X00_LIB_DEBUGFS) +
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rt2x00lib-$(CPTCFG_RT2X00_LIB_CRYPTO) += rt2x00crypto.o
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rt2x00lib-$(CPTCFG_RT2X00_LIB_FIRMWARE) += rt2x00firmware.o
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rt2x00lib-$(CPTCFG_RT2X00_LIB_LEDS) += rt2x00leds.o
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+rt2x00lib-$(CPTCFG_RT2X00_LIB_EEPROM) += rt2x00eeprom.o
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obj-$(CPTCFG_RT2X00_LIB) += rt2x00lib.o
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obj-$(CPTCFG_RT2X00_LIB_MMIO) += rt2x00mmio.o
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--- a/drivers/net/wireless/rt2x00/rt2800pci.c
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+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
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@@ -90,25 +90,11 @@ static void rt2800pci_mcu_status(struct
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rt2x00mmio_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0);
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}
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-#if defined(CONFIG_SOC_RT288X) || defined(CONFIG_SOC_RT305X)
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static int rt2800pci_read_eeprom_soc(struct rt2x00_dev *rt2x00dev)
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{
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- void __iomem *base_addr = ioremap(0x1F040000, EEPROM_SIZE);
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-
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- if (!base_addr)
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- return -ENOMEM;
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-
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- memcpy_fromio(rt2x00dev->eeprom, base_addr, EEPROM_SIZE);
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-
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- iounmap(base_addr);
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+ memcpy(rt2x00dev->eeprom, rt2x00dev->eeprom_file->data, EEPROM_SIZE);
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return 0;
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}
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-#else
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-static inline int rt2800pci_read_eeprom_soc(struct rt2x00_dev *rt2x00dev)
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-{
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- return -ENOMEM;
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-}
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-#endif /* CONFIG_SOC_RT288X || CONFIG_SOC_RT305X */
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#ifdef CONFIG_PCI
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static void rt2800pci_eepromregister_read(struct eeprom_93cx6 *eeprom)
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@@ -332,6 +318,20 @@ static int rt2800pci_write_firmware(stru
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}
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/*
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+ * EEPROM file functions.
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+ */
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+static char *rt2800pci_get_eeprom_file_name(struct rt2x00_dev *rt2x00dev)
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+{
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+ struct rt2x00_platform_data *pdata;
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+
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+ pdata = rt2x00dev->dev->platform_data;
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+ if (pdata)
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+ return pdata->eeprom_file_name;
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+
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+ return NULL;
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+}
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+
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+/*
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* Initialization functions.
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*/
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static bool rt2800pci_get_entry_state(struct queue_entry *entry)
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@@ -1156,6 +1156,7 @@ static const struct rt2x00lib_ops rt2800
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.get_firmware_name = rt2800pci_get_firmware_name,
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.check_firmware = rt2800_check_firmware,
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.load_firmware = rt2800_load_firmware,
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+ .get_eeprom_file_name = rt2800pci_get_eeprom_file_name,
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.initialize = rt2x00mmio_initialize,
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.uninitialize = rt2x00mmio_uninitialize,
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.get_entry_state = rt2800pci_get_entry_state,
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--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
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+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
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@@ -1325,6 +1325,10 @@ int rt2x00lib_probe_dev(struct rt2x00_de
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INIT_DELAYED_WORK(&rt2x00dev->autowakeup_work, rt2x00lib_autowakeup);
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INIT_WORK(&rt2x00dev->sleep_work, rt2x00lib_sleep);
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+ retval = rt2x00lib_load_eeprom_file(rt2x00dev);
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+ if (retval)
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+ goto exit;
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+
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/*
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* Let the driver probe the device to detect the capabilities.
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*/
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@@ -1455,6 +1459,11 @@ void rt2x00lib_remove_dev(struct rt2x00_
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*/
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if (rt2x00dev->drv_data)
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kfree(rt2x00dev->drv_data);
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+
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+ /*
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+ * Free EEPROM image.
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+ */
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+ rt2x00lib_free_eeprom_file(rt2x00dev);
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}
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EXPORT_SYMBOL_GPL(rt2x00lib_remove_dev);
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--- a/drivers/net/wireless/rt2x00/rt2x00soc.c
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+++ b/drivers/net/wireless/rt2x00/rt2x00soc.c
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@@ -94,6 +94,7 @@ int rt2x00soc_probe(struct platform_devi
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rt2x00dev->hw = hw;
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rt2x00dev->irq = platform_get_irq(pdev, 0);
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rt2x00dev->name = pdev->dev.driver->name;
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+ set_bit(REQUIRE_EEPROM_FILE, &rt2x00dev->cap_flags);
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rt2x00_set_chip_intf(rt2x00dev, RT2X00_CHIP_INTF_SOC);
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--- a/.local-symbols
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+++ b/.local-symbols
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@@ -272,6 +272,7 @@ RT2X00_LIB_FIRMWARE=
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RT2X00_LIB_CRYPTO=
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RT2X00_LIB_LEDS=
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RT2X00_LIB_DEBUGFS=
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+RT2X00_LIB_EEPROM=
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RT2X00_DEBUG=
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RTLWIFI=
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RTLWIFI_DEBUG=
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