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ar71xx: improve the wndr3700 quirks - move most of the code out of ath9k and instead allow the platform device to specify gpio overrides - fixes 5ghz signal strength issues

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23822 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2010-11-03 14:55:53 +00:00
parent 65bb54b1e5
commit 4f69a1b329
13 changed files with 177 additions and 122 deletions
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58
package/mac80211/patches/310-ath9k_gpio_settings.patch Normal file
View File

@ -0,0 +1,58 @@
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -920,6 +920,12 @@ int ath9k_init_debug(struct ath_hw *ah)
sc->debug.debugfs_phy, &ah->config.cwm_ignore_extcca))
goto err;
+ debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR,
+ sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask);
+
+ debugfs_create_u32("gpio_val", S_IRUSR | S_IWUSR,
+ sc->debug.debugfs_phy, &sc->sc_ah->gpio_val);
+
sc->debug.regidx = 0;
return 0;
err:
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -743,6 +743,8 @@ struct ath_hw {
int initPDADC;
int PDADCdelta;
u8 led_pin;
+ u32 gpio_mask;
+ u32 gpio_val;
struct ar5416IniArray iniModes;
struct ar5416IniArray iniCommon;
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1178,6 +1178,20 @@ static bool ath9k_hw_channel_change(stru
return true;
}
+static void ath9k_hw_apply_gpio_override(struct ath_hw *ah)
+{
+ u32 gpio_mask = ah->gpio_mask;
+ int i;
+
+ for (i = 0; gpio_mask; i++, gpio_mask >>= 1) {
+ if (!(ah->gpio_mask & 1))
+ continue;
+
+ ath9k_hw_cfg_output(ah, i, AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
+ ath9k_hw_set_gpio(ah, i, !!(ah->gpio_val & BIT(i)));
+ }
+}
+
bool ath9k_hw_check_alive(struct ath_hw *ah)
{
int count = 50;
@@ -1464,6 +1478,8 @@ int ath9k_hw_reset(struct ath_hw *ah, st
if (AR_SREV_9300_20_OR_LATER(ah))
ar9003_hw_bb_watchdog_config(ah);
+ ath9k_hw_apply_gpio_override(ah);
+
return 0;
}
EXPORT_SYMBOL(ath9k_hw_reset);

2
package/mac80211/patches/408-ath9k_tweak_rx_intr_mitigation.patch
View File

@ -1,6 +1,6 @@
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1420,7 +1420,7 @@ int ath9k_hw_reset(struct ath_hw *ah, st
@@ -1434,7 +1434,7 @@ int ath9k_hw_reset(struct ath_hw *ah, st
if (ah->config.rx_intr_mitigation) {
REG_RMW_FIELD(ah, AR_RIMT, AR_RIMT_LAST, 500);

76
package/mac80211/patches/409-ath9k-add-wndr3700-antenna-initialization.patch
View File

@ -1,76 +0,0 @@
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -16,6 +16,7 @@
#include <linux/slab.h>
+#include "linux/ath9k_platform.h"
#include "ath9k.h"
static char *dev_info = "ath9k";
@@ -574,6 +575,8 @@ static int ath9k_init_softc(u16 devid, s
pdata = (struct ath9k_platform_data *) sc->dev->platform_data;
if (!pdata)
ah->ah_flags |= AH_USE_EEPROM;
+ else
+ sc->quirk_wndr3700 = pdata->quirk_wndr3700;
common = ath9k_hw_common(ah);
common->ops = &ath9k_common_ops;
@@ -704,6 +707,24 @@ void ath9k_set_hw_capab(struct ath_softc
SET_IEEE80211_PERM_ADDR(hw, common->macaddr);
}
+#ifdef CONFIG_ATHEROS_AR71XX
+static void wndr3700_init_antenna(struct ath_hw *ah)
+{
+ ath9k_hw_cfg_output(ah, 6, AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
+ ath9k_hw_cfg_output(ah, 7, AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
+ ath9k_hw_cfg_output(ah, 8, AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
+ ath9k_hw_cfg_output(ah, 9, AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
+
+ /* select the first antenna group */
+ ath9k_hw_set_gpio(ah, 6, 0);
+ ath9k_hw_set_gpio(ah, 7, 1);
+ ath9k_hw_set_gpio(ah, 8, 0);
+ ath9k_hw_set_gpio(ah, 9, 1);
+}
+#else
+static inline void wndr3700_init_antenna(struct ath_hw *ah) {}
+#endif /* CONFIG_ATHEROS_AR71XX */
+
int ath9k_init_device(u16 devid, struct ath_softc *sc, u16 subsysid,
const struct ath_bus_ops *bus_ops)
{
@@ -723,6 +744,9 @@ int ath9k_init_device(u16 devid, struct
common = ath9k_hw_common(ah);
ath9k_set_hw_capab(sc, hw);
+ if (sc->quirk_wndr3700)
+ wndr3700_init_antenna(ah);
+
/* Initialize regulatory */
error = ath_regd_init(&common->regulatory, sc->hw->wiphy,
ath9k_reg_notifier);
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -635,6 +635,8 @@ struct ath_softc {
int beacon_interval;
+ bool quirk_wndr3700;
+
#ifdef CONFIG_ATH9K_DEBUGFS
struct ath9k_debug debug;
#endif
--- a/include/linux/ath9k_platform.h
+++ b/include/linux/ath9k_platform.h
@@ -24,6 +24,8 @@
struct ath9k_platform_data {
u16 eeprom_data[ATH9K_PLAT_EEP_MAX_WORDS];
u8 *macaddr;
+
+ bool quirk_wndr3700;
};
#endif /* _LINUX_ATH9K_PLATFORM_H */

69
package/mac80211/patches/409-ath9k_platform_settings.patch Normal file
View File

@ -0,0 +1,69 @@
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -16,6 +16,7 @@
#include <linux/slab.h>
+#include "linux/ath9k_platform.h"
#include "ath9k.h"
static char *dev_info = "ath9k";
@@ -572,8 +573,14 @@ static int ath9k_init_softc(u16 devid, s
sc->sc_ah = ah;
pdata = (struct ath9k_platform_data *) sc->dev->platform_data;
- if (!pdata)
+ if (!pdata) {
ah->ah_flags |= AH_USE_EEPROM;
+ sc->sc_ah->led_pin = -1;
+ } else {
+ sc->sc_ah->gpio_mask = pdata->gpio_mask;
+ sc->sc_ah->gpio_val = pdata->gpio_val;
+ sc->sc_ah->led_pin = pdata->led_pin;
+ }
common = ath9k_hw_common(ah);
common->ops = &ath9k_common_ops;
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -742,7 +742,7 @@ struct ath_hw {
u32 originalGain[22];
int initPDADC;
int PDADCdelta;
- u8 led_pin;
+ int led_pin;
u32 gpio_mask;
u32 gpio_val;
--- a/drivers/net/wireless/ath/ath9k/gpio.c
+++ b/drivers/net/wireless/ath/ath9k/gpio.c
@@ -147,10 +147,12 @@ void ath_init_leds(struct ath_softc *sc)
if (AR_SREV_9100(sc->sc_ah))
return;
- if (AR_SREV_9287(sc->sc_ah))
- sc->sc_ah->led_pin = ATH_LED_PIN_9287;
- else
- sc->sc_ah->led_pin = ATH_LED_PIN_DEF;
+ if (sc->sc_ah->led_pin < 0) {
+ if (AR_SREV_9287(sc->sc_ah))
+ sc->sc_ah->led_pin = ATH_LED_PIN_9287;
+ else
+ sc->sc_ah->led_pin = ATH_LED_PIN_DEF;
+ }
/* Configure gpio 1 for output */
ath9k_hw_cfg_output(sc->sc_ah, sc->sc_ah->led_pin,
--- a/include/linux/ath9k_platform.h
+++ b/include/linux/ath9k_platform.h
@@ -24,6 +24,10 @@
struct ath9k_platform_data {
u16 eeprom_data[ATH9K_PLAT_EEP_MAX_WORDS];
u8 *macaddr;
+
+ int led_pin;
+ u32 gpio_mask;
+ u32 gpio_val;
};
#endif /* _LINUX_ATH9K_PLATFORM_H */

23
package/mac80211/patches/410-ath9k-wndr3700-led-pin-fix.patch
View File

@ -1,23 +0,0 @@
--- a/drivers/net/wireless/ath/ath9k/gpio.c
+++ b/drivers/net/wireless/ath/ath9k/gpio.c
@@ -147,7 +147,9 @@ void ath_init_leds(struct ath_softc *sc)
if (AR_SREV_9100(sc->sc_ah))
return;
- if (AR_SREV_9287(sc->sc_ah))
+ if (sc->quirk_wndr3700)
+ sc->sc_ah->led_pin = ATH_LED_PIN_WNDR3700;
+ else if (AR_SREV_9287(sc->sc_ah))
sc->sc_ah->led_pin = ATH_LED_PIN_9287;
else
sc->sc_ah->led_pin = ATH_LED_PIN_DEF;
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -455,6 +455,7 @@ void ath9k_btcoex_timer_pause(struct ath
#define ATH_LED_PIN_DEF 1
#define ATH_LED_PIN_9287 8
+#define ATH_LED_PIN_WNDR3700 5
#define ATH_LED_ON_DURATION_IDLE 350 /* in msecs */
#define ATH_LED_OFF_DURATION_IDLE 250 /* in msecs */

6
package/mac80211/patches/500-ath9k_eeprom_debugfs.patch
View File

@ -54,9 +54,9 @@
int ath9k_init_debug(struct ath_hw *ah)
{
struct ath_common *common = ath9k_hw_common(ah);
@@ -920,6 +967,10 @@ int ath9k_init_debug(struct ath_hw *ah)
sc->debug.debugfs_phy, &ah->config.cwm_ignore_extcca))
goto err;
@@ -926,6 +973,10 @@ int ath9k_init_debug(struct ath_hw *ah)
debugfs_create_u32("gpio_val", S_IRUSR | S_IWUSR,
sc->debug.debugfs_phy, &sc->sc_ah->gpio_val);
+ if (!debugfs_create_file("eeprom", S_IRUSR,
+ sc->debug.debugfs_phy, sc, &fops_eeprom))

6
package/mac80211/patches/521-ath9k_hw_tx_power.patch
View File

@ -252,7 +252,7 @@
ath9k_hw_rfbus_done(ah);
@@ -2177,7 +2177,7 @@ bool ath9k_hw_disable(struct ath_hw *ah)
@@ -2193,7 +2193,7 @@ bool ath9k_hw_disable(struct ath_hw *ah)
}
EXPORT_SYMBOL(ath9k_hw_disable);
@ -261,7 +261,7 @@
{
struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
struct ath9k_channel *chan = ah->curchan;
@@ -2190,7 +2190,7 @@ void ath9k_hw_set_txpowerlimit(struct at
@@ -2206,7 +2206,7 @@ void ath9k_hw_set_txpowerlimit(struct at
channel->max_antenna_gain * 2,
channel->max_power * 2,
min((u32) MAX_RATE_POWER,
@ -272,7 +272,7 @@
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -860,7 +860,7 @@ u32 ath9k_hw_getrxfilter(struct ath_hw *
@@ -862,7 +862,7 @@ u32 ath9k_hw_getrxfilter(struct ath_hw *
void ath9k_hw_setrxfilter(struct ath_hw *ah, u32 bits);
bool ath9k_hw_phy_disable(struct ath_hw *ah);
bool ath9k_hw_disable(struct ath_hw *ah);

4
package/mac80211/patches/522-ath9k_tx_power_init.patch
View File

@ -1,6 +1,6 @@
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -650,6 +650,37 @@ err_hw:
@@ -654,6 +654,37 @@ err_hw:
return ret;
}
@ -38,7 +38,7 @@
void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
{
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
@@ -765,6 +796,8 @@ int ath9k_init_device(u16 devid, struct
@@ -748,6 +779,8 @@ int ath9k_init_device(u16 devid, struct
if (error != 0)
goto error_rx;

4
package/mac80211/patches/530-ath9k_locking_fix.patch
View File

@ -8,7 +8,7 @@
spinlock_t rxbuflock;
struct list_head rxbuf;
struct ath_descdma rxdma;
@@ -600,9 +599,9 @@ struct ath_softc {
@@ -599,9 +598,9 @@ struct ath_softc {
struct ath_hw *sc_ah;
void __iomem *mem;
int irq;
@ -337,7 +337,7 @@
static bool ath_beacon_dtim_pending_cab(struct sk_buff *skb)
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -588,7 +588,6 @@ static int ath9k_init_softc(u16 devid, s
@@ -592,7 +592,6 @@ static int ath9k_init_softc(u16 devid, s
spin_lock_init(&common->cc_lock);
spin_lock_init(&sc->wiphy_lock);

4
target/linux/ar71xx/files/arch/mips/ar71xx/dev-ap91-pci.c
View File

@ -18,7 +18,9 @@
#include "dev-ap91-pci.h"
#include "pci-ath9k-fixup.h"
static struct ath9k_platform_data ap91_wmac_data;
static struct ath9k_platform_data ap91_wmac_data = {
.led_pin = -1,
};
static char ap91_wmac_mac[6];
static struct ar71xx_pci_irq ap91_pci_irqs[] __initdata = {

21
target/linux/ar71xx/files/arch/mips/ar71xx/dev-ap94-pci.c
View File

@ -18,8 +18,12 @@
#include "dev-ap94-pci.h"
#include "pci-ath9k-fixup.h"
static struct ath9k_platform_data ap94_wmac0_data;
static struct ath9k_platform_data ap94_wmac1_data;
static struct ath9k_platform_data ap94_wmac0_data = {
.led_pin = -1,
};
static struct ath9k_platform_data ap94_wmac1_data = {
.led_pin = -1,
};
static char ap94_wmac0_mac[6];
static char ap94_wmac1_mac[6];
@ -52,8 +56,17 @@ static int ap94_pci_plat_dev_init(struct pci_dev *dev)
void __init ap94_pci_enable_quirk_wndr3700(void)
{
ap94_wmac0_data.quirk_wndr3700 = 1;
ap94_wmac1_data.quirk_wndr3700 = 1;
/* WNDR3700 uses GPIO 6-9 for antenna configuration */
ap94_wmac0_data.led_pin = 5;
ap94_wmac0_data.gpio_mask = (0xf << 6);
/* 2.4 GHz uses the first fixed antenna group (0, 1, 0, 1) */
ap94_wmac0_data.gpio_val = (5 << 6);
ap94_wmac1_data.led_pin = 5;
ap94_wmac1_data.gpio_mask = (0xf << 6);
/* 5 GHz uses the second fixed antenna group (0, 1, 1, 0) */
ap94_wmac1_data.gpio_val = (6 << 6);
}
void __init ap94_pci_init(u8 *cal_data0, u8 *mac_addr0,

4
target/linux/ar71xx/files/arch/mips/ar71xx/dev-ar913x-wmac.c
View File

@ -22,7 +22,9 @@
#include "dev-ar913x-wmac.h"
static struct ath9k_platform_data ar913x_wmac_data;
static struct ath9k_platform_data ar913x_wmac_data = {
.led_pin = -1,
};
static char ar913x_wmac_mac[6];
static struct resource ar913x_wmac_resources[] = {

22
target/linux/ar71xx/files/include/linux/ath9k_platform.h
View File

@ -1,11 +1,19 @@
/*
* ath9k platform data defines
* Copyright (c) 2008 Atheros Communications Inc.
* Copyright (c) 2009 Gabor Juhos <juhosg@openwrt.org>
* Copyright (c) 2009 Imre Kaloz <kaloz@openwrt.org>
*
* Copyright (C) 2008 Gabor Juhos <juhosg@openwrt.org>
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* 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.
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _LINUX_ATH9K_PLATFORM_H
@ -17,7 +25,9 @@ struct ath9k_platform_data {
u16 eeprom_data[ATH9K_PLAT_EEP_MAX_WORDS];
u8 *macaddr;
unsigned long quirk_wndr3700:1;
int led_pin;
u32 gpio_mask;
u32 gpio_val;
};
#endif /* _LINUX_ATH9K_PLATFORM_H */