mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-27 16:43:09 +02:00
ath9k: add support for registering extra leds connected to the wmac gpio lines
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@29530 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd
parent
8b3380fefc
commit
dcf5cd5fc2
258
package/mac80211/patches/580-ath9k_extra_leds.patch
Normal file
258
package/mac80211/patches/580-ath9k_extra_leds.patch
Normal file
@ -0,0 +1,258 @@
|
||||
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
|
||||
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
|
||||
@@ -474,6 +474,9 @@ void ath9k_btcoex_timer_pause(struct ath
|
||||
#ifdef CONFIG_MAC80211_LEDS
|
||||
void ath_init_leds(struct ath_softc *sc);
|
||||
void ath_deinit_leds(struct ath_softc *sc);
|
||||
+int ath_create_gpio_led(struct ath_softc *sc, int gpio, const char *name,
|
||||
+ const char *trigger, bool active_low);
|
||||
+
|
||||
#else
|
||||
static inline void ath_init_leds(struct ath_softc *sc)
|
||||
{
|
||||
@@ -594,6 +597,13 @@ struct ath9k_vif_iter_data {
|
||||
int nothers; /* number of vifs not specified above. */
|
||||
};
|
||||
|
||||
+struct ath_led {
|
||||
+ struct list_head list;
|
||||
+ struct ath_softc *sc;
|
||||
+ const struct gpio_led *gpio;
|
||||
+ struct led_classdev cdev;
|
||||
+};
|
||||
+
|
||||
struct ath_softc {
|
||||
struct ieee80211_hw *hw;
|
||||
struct device *dev;
|
||||
@@ -637,9 +647,8 @@ struct ath_softc {
|
||||
struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS];
|
||||
|
||||
#ifdef CONFIG_MAC80211_LEDS
|
||||
- bool led_registered;
|
||||
- char led_name[32];
|
||||
- struct led_classdev led_cdev;
|
||||
+ const char *led_default_trigger;
|
||||
+ struct list_head leds;
|
||||
#endif
|
||||
|
||||
struct ath9k_hw_cal_data caldata;
|
||||
--- a/drivers/net/wireless/ath/ath9k/gpio.c
|
||||
+++ b/drivers/net/wireless/ath/ath9k/gpio.c
|
||||
@@ -24,22 +24,89 @@
|
||||
static void ath_led_brightness(struct led_classdev *led_cdev,
|
||||
enum led_brightness brightness)
|
||||
{
|
||||
- struct ath_softc *sc = container_of(led_cdev, struct ath_softc, led_cdev);
|
||||
- ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, (brightness == LED_OFF));
|
||||
+ struct ath_led *led = container_of(led_cdev, struct ath_led, cdev);
|
||||
+ struct ath_softc *sc = led->sc;
|
||||
+
|
||||
+ ath9k_ps_wakeup(sc);
|
||||
+ ath9k_hw_set_gpio(sc->sc_ah, led->gpio->gpio,
|
||||
+ (brightness != LED_OFF) ^ led->gpio->active_low);
|
||||
+ ath9k_ps_restore(sc);
|
||||
+}
|
||||
+
|
||||
+static int ath_add_led(struct ath_softc *sc, struct ath_led *led)
|
||||
+{
|
||||
+ const struct gpio_led *gpio = led->gpio;
|
||||
+ int ret;
|
||||
+
|
||||
+ led->cdev.name = gpio->name;
|
||||
+ led->cdev.default_trigger = gpio->default_trigger;
|
||||
+ led->cdev.brightness_set = ath_led_brightness;
|
||||
+
|
||||
+ ret = led_classdev_register(wiphy_dev(sc->hw->wiphy), &led->cdev);
|
||||
+ if (ret < 0)
|
||||
+ return ret;
|
||||
+
|
||||
+ led->sc = sc;
|
||||
+ list_add(&led->list, &sc->leds);
|
||||
+
|
||||
+ /* Configure gpio for output */
|
||||
+ ath9k_hw_cfg_output(sc->sc_ah, gpio->gpio,
|
||||
+ AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
|
||||
+
|
||||
+ /* LED off */
|
||||
+ ath9k_hw_set_gpio(sc->sc_ah, gpio->gpio, gpio->active_low);
|
||||
+
|
||||
+ return 0;
|
||||
+}
|
||||
+
|
||||
+int ath_create_gpio_led(struct ath_softc *sc, int gpio_num, const char *name,
|
||||
+ const char *trigger, bool active_low)
|
||||
+{
|
||||
+ struct ath_led *led;
|
||||
+ struct gpio_led *gpio;
|
||||
+ char *_name;
|
||||
+ int ret;
|
||||
+
|
||||
+ led = kzalloc(sizeof(*led) + sizeof(*gpio) + strlen(name) + 1,
|
||||
+ GFP_KERNEL);
|
||||
+ if (!led)
|
||||
+ return -ENOMEM;
|
||||
+
|
||||
+ led->gpio = gpio = (struct gpio_led *) (led + 1);
|
||||
+ _name = (char *) (led->gpio + 1);
|
||||
+
|
||||
+ strcpy(_name, name);
|
||||
+ gpio->name = _name;
|
||||
+ gpio->gpio = gpio_num;
|
||||
+ gpio->active_low = active_low;
|
||||
+ gpio->default_trigger = trigger;
|
||||
+
|
||||
+ ret = ath_add_led(sc, led);
|
||||
+ if (unlikely(ret < 0))
|
||||
+ kfree(led);
|
||||
+
|
||||
+ return ret;
|
||||
}
|
||||
|
||||
void ath_deinit_leds(struct ath_softc *sc)
|
||||
{
|
||||
- if (!sc->led_registered)
|
||||
- return;
|
||||
+ struct ath_led *led;
|
||||
|
||||
- ath_led_brightness(&sc->led_cdev, LED_OFF);
|
||||
- led_classdev_unregister(&sc->led_cdev);
|
||||
+ while (!list_empty(&sc->leds)) {
|
||||
+ led = list_first_entry(&sc->leds, struct ath_led, list);
|
||||
+ list_del(&led->list);
|
||||
+ ath_led_brightness(&led->cdev, LED_OFF);
|
||||
+ led_classdev_unregister(&led->cdev);
|
||||
+ kfree(led);
|
||||
+ }
|
||||
}
|
||||
|
||||
void ath_init_leds(struct ath_softc *sc)
|
||||
{
|
||||
- int ret;
|
||||
+ char led_name[32];
|
||||
+ const char *trigger;
|
||||
+
|
||||
+ INIT_LIST_HEAD(&sc->leds);
|
||||
|
||||
if (AR_SREV_9100(sc->sc_ah))
|
||||
return;
|
||||
@@ -57,26 +124,15 @@ void ath_init_leds(struct ath_softc *sc)
|
||||
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,
|
||||
- AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
|
||||
- /* LED off, active low */
|
||||
- ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 1);
|
||||
-
|
||||
- if (!led_blink)
|
||||
- sc->led_cdev.default_trigger =
|
||||
- ieee80211_get_radio_led_name(sc->hw);
|
||||
-
|
||||
- snprintf(sc->led_name, sizeof(sc->led_name),
|
||||
- "ath9k-%s", wiphy_name(sc->hw->wiphy));
|
||||
- sc->led_cdev.name = sc->led_name;
|
||||
- sc->led_cdev.brightness_set = ath_led_brightness;
|
||||
+ snprintf(led_name, sizeof(led_name), "ath9k-%s",
|
||||
+ wiphy_name(sc->hw->wiphy));
|
||||
|
||||
- ret = led_classdev_register(wiphy_dev(sc->hw->wiphy), &sc->led_cdev);
|
||||
- if (ret < 0)
|
||||
- return;
|
||||
+ if (led_blink)
|
||||
+ trigger = sc->led_default_trigger;
|
||||
+ else
|
||||
+ trigger = ieee80211_get_radio_led_name(sc->hw);
|
||||
|
||||
- sc->led_registered = true;
|
||||
+ ath_create_gpio_led(sc, sc->sc_ah->led_pin, led_name, trigger, 1);
|
||||
}
|
||||
#endif
|
||||
|
||||
--- a/drivers/net/wireless/ath/ath9k/init.c
|
||||
+++ b/drivers/net/wireless/ath/ath9k/init.c
|
||||
@@ -803,7 +803,7 @@ int ath9k_init_device(u16 devid, struct
|
||||
|
||||
#ifdef CONFIG_MAC80211_LEDS
|
||||
/* must be initialized before ieee80211_register_hw */
|
||||
- sc->led_cdev.default_trigger = ieee80211_create_tpt_led_trigger(sc->hw,
|
||||
+ sc->led_default_trigger = ieee80211_create_tpt_led_trigger(sc->hw,
|
||||
IEEE80211_TPT_LEDTRIG_FL_RADIO, ath9k_tpt_blink,
|
||||
ARRAY_SIZE(ath9k_tpt_blink));
|
||||
#endif
|
||||
--- a/drivers/net/wireless/ath/ath9k/debug.c
|
||||
+++ b/drivers/net/wireless/ath/ath9k/debug.c
|
||||
@@ -1304,6 +1304,61 @@ static const struct file_operations fops
|
||||
.llseek = default_llseek,
|
||||
};
|
||||
|
||||
+#ifdef CONFIG_MAC80211_LEDS
|
||||
+
|
||||
+static ssize_t write_file_gpio_led(struct file *file, const char __user *ubuf,
|
||||
+ size_t count, loff_t *ppos)
|
||||
+{
|
||||
+ struct ath_softc *sc = file->private_data;
|
||||
+ char buf[32], *str, *name, *c;
|
||||
+ ssize_t len;
|
||||
+ unsigned int gpio;
|
||||
+ bool active_low = false;
|
||||
+
|
||||
+ len = min(count, sizeof(buf) - 1);
|
||||
+ if (copy_from_user(buf, ubuf, len))
|
||||
+ return -EFAULT;
|
||||
+
|
||||
+ buf[len] = '\0';
|
||||
+ name = strchr(buf, ',');
|
||||
+ if (!name)
|
||||
+ return -EINVAL;
|
||||
+
|
||||
+ *(name++) = 0;
|
||||
+ if (!*name)
|
||||
+ return -EINVAL;
|
||||
+
|
||||
+ c = strchr(name, '\n');
|
||||
+ if (c)
|
||||
+ *c = 0;
|
||||
+
|
||||
+ str = buf;
|
||||
+ if (*str == '!') {
|
||||
+ str++;
|
||||
+ active_low = true;
|
||||
+ }
|
||||
+
|
||||
+ if (kstrtouint(str, 0, &gpio) < 0)
|
||||
+ return -EINVAL;
|
||||
+
|
||||
+ if (gpio >= sc->sc_ah->caps.num_gpio_pins)
|
||||
+ return -EINVAL;
|
||||
+
|
||||
+ if (ath_create_gpio_led(sc, gpio, name, NULL, active_low) < 0)
|
||||
+ return -EINVAL;
|
||||
+
|
||||
+ return count;
|
||||
+}
|
||||
+
|
||||
+static const struct file_operations fops_gpio_led = {
|
||||
+ .write = write_file_gpio_led,
|
||||
+ .open = ath9k_debugfs_open,
|
||||
+ .owner = THIS_MODULE,
|
||||
+ .llseek = default_llseek,
|
||||
+};
|
||||
+
|
||||
+#endif
|
||||
+
|
||||
void ath9k_debug_samp_bb_mac(struct ath_softc *sc)
|
||||
{
|
||||
#define ATH_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].c)
|
||||
@@ -1725,6 +1780,11 @@ int ath9k_init_debug(struct ath_hw *ah)
|
||||
debugfs_create_file("samples", S_IRUSR, sc->debug.debugfs_phy, sc,
|
||||
&fops_samps);
|
||||
|
||||
+#ifdef CONFIG_MAC80211_LEDS
|
||||
+ debugfs_create_file("gpio_led", S_IWUSR,
|
||||
+ sc->debug.debugfs_phy, sc, &fops_gpio_led);
|
||||
+#endif
|
||||
+
|
||||
debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR,
|
||||
sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask);
|
||||
|
||||
68
package/mac80211/patches/581-ath9k_extra_platform_leds.patch
Normal file
68
package/mac80211/patches/581-ath9k_extra_platform_leds.patch
Normal file
@ -0,0 +1,68 @@
|
||||
--- a/include/linux/ath9k_platform.h
|
||||
+++ b/include/linux/ath9k_platform.h
|
||||
@@ -32,6 +32,9 @@ struct ath9k_platform_data {
|
||||
bool is_clk_25mhz;
|
||||
int (*get_mac_revision)(void);
|
||||
int (*external_reset)(void);
|
||||
+
|
||||
+ int num_leds;
|
||||
+ const struct gpio_led *leds;
|
||||
};
|
||||
|
||||
#endif /* _LINUX_ATH9K_PLATFORM_H */
|
||||
--- a/drivers/net/wireless/ath/ath9k/gpio.c
|
||||
+++ b/drivers/net/wireless/ath/ath9k/gpio.c
|
||||
@@ -14,6 +14,7 @@
|
||||
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||||
*/
|
||||
|
||||
+#include <linux/ath9k_platform.h>
|
||||
#include "ath9k.h"
|
||||
|
||||
/********************************/
|
||||
@@ -88,6 +89,24 @@ int ath_create_gpio_led(struct ath_softc
|
||||
return ret;
|
||||
}
|
||||
|
||||
+static int ath_create_platform_led(struct ath_softc *sc,
|
||||
+ const struct gpio_led *gpio)
|
||||
+{
|
||||
+ struct ath_led *led;
|
||||
+ int ret;
|
||||
+
|
||||
+ led = kzalloc(sizeof(*led), GFP_KERNEL);
|
||||
+ if (!led)
|
||||
+ return -ENOMEM;
|
||||
+
|
||||
+ led->gpio = gpio;
|
||||
+ ret = ath_add_led(sc, led);
|
||||
+ if (ret < 0)
|
||||
+ kfree(led);
|
||||
+
|
||||
+ return ret;
|
||||
+}
|
||||
+
|
||||
void ath_deinit_leds(struct ath_softc *sc)
|
||||
{
|
||||
struct ath_led *led;
|
||||
@@ -103,8 +122,10 @@ void ath_deinit_leds(struct ath_softc *s
|
||||
|
||||
void ath_init_leds(struct ath_softc *sc)
|
||||
{
|
||||
+ struct ath9k_platform_data *pdata = sc->dev->platform_data;
|
||||
char led_name[32];
|
||||
const char *trigger;
|
||||
+ int i;
|
||||
|
||||
INIT_LIST_HEAD(&sc->leds);
|
||||
|
||||
@@ -133,6 +154,9 @@ void ath_init_leds(struct ath_softc *sc)
|
||||
trigger = ieee80211_get_radio_led_name(sc->hw);
|
||||
|
||||
ath_create_gpio_led(sc, sc->sc_ah->led_pin, led_name, trigger, 1);
|
||||
+
|
||||
+ for (i = 0; i < pdata->num_leds; i++)
|
||||
+ ath_create_platform_led(sc, &pdata->leds[i]);
|
||||
}
|
||||
#endif
|
||||
|
||||
@ -32,6 +32,9 @@ struct ath9k_platform_data {
|
||||
bool is_clk_25mhz;
|
||||
int (*get_mac_revision)(void);
|
||||
int (*external_reset)(void);
|
||||
|
||||
int num_leds;
|
||||
const struct gpio_led *leds;
|
||||
};
|
||||
|
||||
#endif /* _LINUX_ATH9K_PLATFORM_H */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user