diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/b43legacy/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/b43legacy/main.c | 49 | ||||
| -rw-r--r-- | drivers/net/wireless/b43legacy/rfkill.c | 135 | ||||
| -rw-r--r-- | drivers/net/wireless/b43legacy/rfkill.h | 26 |
4 files changed, 109 insertions, 103 deletions
diff --git a/drivers/net/wireless/b43legacy/Kconfig b/drivers/net/wireless/b43legacy/Kconfig index 68e05f06b33..9718529af66 100644 --- a/drivers/net/wireless/b43legacy/Kconfig +++ b/drivers/net/wireless/b43legacy/Kconfig @@ -43,7 +43,7 @@ config B43LEGACY_LEDS # RFKILL support config B43LEGACY_RFKILL bool - depends on B43LEGACY && RFKILL + depends on B43LEGACY && RFKILL && RFKILL_INPUT && INPUT_POLLDEV default y config B43LEGACY_DEBUG diff --git a/drivers/net/wireless/b43legacy/main.c b/drivers/net/wireless/b43legacy/main.c index 04bc3f6c5e6..069abe5fb8e 100644 --- a/drivers/net/wireless/b43legacy/main.c +++ b/drivers/net/wireless/b43legacy/main.c @@ -1975,21 +1975,6 @@ static void b43legacy_mgmtframe_txantenna(struct b43legacy_wldev *dev, B43legacy_SHM_SH_PRPHYCTL, tmp); } -/* Returns TRUE, if the radio is enabled in hardware. */ -static bool b43legacy_is_hw_radio_enabled(struct b43legacy_wldev *dev) -{ - if (dev->phy.rev >= 3) { - if (!(b43legacy_read32(dev, B43legacy_MMIO_RADIO_HWENABLED_HI) - & B43legacy_MMIO_RADIO_HWENABLED_HI_MASK)) - return 1; - } else { - if (b43legacy_read16(dev, B43legacy_MMIO_RADIO_HWENABLED_LO) - & B43legacy_MMIO_RADIO_HWENABLED_LO_MASK) - return 1; - } - return 0; -} - /* This is the opposite of b43legacy_chip_init() */ static void b43legacy_chip_exit(struct b43legacy_wldev *dev) { @@ -2146,32 +2131,18 @@ static void b43legacy_periodic_every15sec(struct b43legacy_wldev *dev) b43legacy_phy_xmitpower(dev); /* FIXME: unless scanning? */ } -static void b43legacy_periodic_every1sec(struct b43legacy_wldev *dev) -{ - bool radio_hw_enable; - - /* check if radio hardware enabled status changed */ - radio_hw_enable = b43legacy_is_hw_radio_enabled(dev); - if (unlikely(dev->radio_hw_enable != radio_hw_enable)) { - dev->radio_hw_enable = radio_hw_enable; - b43legacy_rfkill_toggled(dev, radio_hw_enable); - } -} - static void do_periodic_work(struct b43legacy_wldev *dev) { unsigned int state; state = dev->periodic_state; - if (state % 120 == 0) + if (state % 8 == 0) b43legacy_periodic_every120sec(dev); - if (state % 60 == 0) + if (state % 4 == 0) b43legacy_periodic_every60sec(dev); - if (state % 30 == 0) + if (state % 2 == 0) b43legacy_periodic_every30sec(dev); - if (state % 15 == 0) - b43legacy_periodic_every15sec(dev); - b43legacy_periodic_every1sec(dev); + b43legacy_periodic_every15sec(dev); } /* Estimate a "Badness" value based on the periodic work @@ -2182,13 +2153,11 @@ static int estimate_periodic_work_badness(unsigned int state) { int badness = 0; - if (state % 120 == 0) /* every 120 sec */ + if (state % 8 == 0) /* every 120 sec */ badness += 10; - if (state % 60 == 0) /* every 60 sec */ + if (state % 4 == 0) /* every 60 sec */ badness += 5; - if (state % 30 == 0) /* every 30 sec */ - badness += 1; - if (state % 15 == 0) /* every 15 sec */ + if (state % 2 == 0) /* every 30 sec */ badness += 1; #define BADNESS_LIMIT 4 @@ -2246,7 +2215,7 @@ out_requeue: if (b43legacy_debug(dev, B43legacy_DBG_PWORK_FAST)) delay = msecs_to_jiffies(50); else - delay = round_jiffies_relative(HZ); + delay = round_jiffies_relative(HZ * 15); queue_delayed_work(dev->wl->hw->workqueue, &dev->periodic_work, delay); out: @@ -3449,6 +3418,7 @@ static int b43legacy_setup_modes(struct b43legacy_wldev *dev, static void b43legacy_wireless_core_detach(struct b43legacy_wldev *dev) { + b43legacy_rfkill_free(dev); /* We release firmware that late to not be required to re-request * is all the time when we reinit the core. */ b43legacy_release_firmware(dev); @@ -3530,6 +3500,7 @@ static int b43legacy_wireless_core_attach(struct b43legacy_wldev *dev) if (!wl->current_dev) wl->current_dev = dev; INIT_WORK(&dev->restart_work, b43legacy_chip_reset); + b43legacy_rfkill_alloc(dev); b43legacy_radio_turn_off(dev, 1); b43legacy_switch_analog(dev, 0); diff --git a/drivers/net/wireless/b43legacy/rfkill.c b/drivers/net/wireless/b43legacy/rfkill.c index db629264205..b6bf205c645 100644 --- a/drivers/net/wireless/b43legacy/rfkill.c +++ b/drivers/net/wireless/b43legacy/rfkill.c @@ -1,6 +1,6 @@ /* - Broadcom B43legacy wireless driver + Broadcom B43 wireless driver RFKILL support Copyright (c) 2007 Michael Buesch <mb@bu3sch.de> @@ -27,48 +27,39 @@ #include "b43legacy.h" -static void b43legacy_notify_rfkill_press(struct work_struct *work) +/* Returns TRUE, if the radio is enabled in hardware. */ +static bool b43legacy_is_hw_radio_enabled(struct b43legacy_wldev *dev) { - struct b43legacy_rfkill *rfk = container_of(work, - struct b43legacy_rfkill, - notify_work); - struct b43legacy_wl *wl = container_of(rfk, struct b43legacy_wl, - rfkill); - struct b43legacy_wldev *dev; - enum rfkill_state state; - - mutex_lock(&wl->mutex); - dev = wl->current_dev; - if (b43legacy_status(dev) < B43legacy_STAT_INITIALIZED) { - mutex_unlock(&wl->mutex); - return; - } - if (dev->radio_hw_enable) - state = RFKILL_STATE_ON; - else - state = RFKILL_STATE_OFF; - b43legacyinfo(wl, "Radio hardware status changed to %s\n", - dev->radio_hw_enable ? "ENABLED" : "DISABLED"); - mutex_unlock(&wl->mutex); - - if (rfk->rfkill) { - /* Be careful. This calls back into the software toggle - * routines. So we must unlock before calling. */ - rfkill_switch_all(rfk->rfkill->type, state); + if (dev->phy.rev >= 3) { + if (!(b43legacy_read32(dev, B43legacy_MMIO_RADIO_HWENABLED_HI) + & B43legacy_MMIO_RADIO_HWENABLED_HI_MASK)) + return 1; + } else { + if (b43legacy_read16(dev, B43legacy_MMIO_RADIO_HWENABLED_LO) + & B43legacy_MMIO_RADIO_HWENABLED_LO_MASK) + return 1; } + return 0; } -/* Called when the RFKILL toggled in hardware. - * This is called with the mutex locked. */ -void b43legacy_rfkill_toggled(struct b43legacy_wldev *dev, bool on) +/* The poll callback for the hardware button. */ +static void b43legacy_rfkill_poll(struct input_polled_dev *poll_dev) { + struct b43legacy_wldev *dev = poll_dev->private; struct b43legacy_wl *wl = dev->wl; + bool enabled; + mutex_lock(&wl->mutex); B43legacy_WARN_ON(b43legacy_status(dev) < B43legacy_STAT_INITIALIZED); - /* Update the RF status asynchronously, as rfkill will - * call back into the software toggle handler. - * This would deadlock if done synchronously. */ - queue_work(wl->hw->workqueue, &wl->rfkill.notify_work); + enabled = b43legacy_is_hw_radio_enabled(dev); + if (unlikely(enabled != dev->radio_hw_enable)) { + dev->radio_hw_enable = enabled; + b43legacyinfo(wl, "Radio hardware status changed to %s\n", + enabled ? "ENABLED" : "DISABLED"); + mutex_unlock(&wl->mutex); + input_report_key(poll_dev->input, KEY_WLAN, enabled); + } else + mutex_unlock(&wl->mutex); } /* Called when the RFKILL toggled in software. @@ -106,7 +97,7 @@ out_unlock: return err; } -char *b43legacy_rfkill_led_name(struct b43legacy_wldev *dev) +char * b43legacy_rfkill_led_name(struct b43legacy_wldev *dev) { struct b43legacy_wl *wl = dev->wl; @@ -121,38 +112,74 @@ void b43legacy_rfkill_init(struct b43legacy_wldev *dev) struct b43legacy_rfkill *rfk = &(wl->rfkill); int err; + if (rfk->rfkill) { + err = rfkill_register(rfk->rfkill); + if (err) { + b43legacywarn(wl, "Failed to register RF-kill button\n"); + goto err_free_rfk; + } + } + if (rfk->poll_dev) { + err = input_register_polled_device(rfk->poll_dev); + if (err) { + b43legacywarn(wl, "Failed to register RF-kill polldev\n"); + goto err_free_polldev; + } + } + + return; +err_free_rfk: + rfkill_free(rfk->rfkill); + rfk->rfkill = NULL; +err_free_polldev: + input_free_polled_device(rfk->poll_dev); + rfk->poll_dev = NULL; +} + +void b43legacy_rfkill_exit(struct b43legacy_wldev *dev) +{ + struct b43legacy_rfkill *rfk = &(dev->wl->rfkill); + + if (rfk->poll_dev) + input_unregister_polled_device(rfk->poll_dev); + if (rfk->rfkill) + rfkill_unregister(rfk->rfkill); +} + +void b43legacy_rfkill_alloc(struct b43legacy_wldev *dev) +{ + struct b43legacy_wl *wl = dev->wl; + struct b43legacy_rfkill *rfk = &(wl->rfkill); + snprintf(rfk->name, sizeof(rfk->name), "b43legacy-%s", wiphy_name(wl->hw->wiphy)); + rfk->rfkill = rfkill_allocate(dev->dev->dev, RFKILL_TYPE_WLAN); - if (!rfk->rfkill) - goto error; + if (!rfk->rfkill) { + b43legacywarn(wl, "Failed to allocate RF-kill button\n"); + return; + } rfk->rfkill->name = rfk->name; rfk->rfkill->state = RFKILL_STATE_ON; rfk->rfkill->data = dev; rfk->rfkill->toggle_radio = b43legacy_rfkill_soft_toggle; rfk->rfkill->user_claim_unsupported = 1; - INIT_WORK(&rfk->notify_work, b43legacy_notify_rfkill_press); - - err = rfkill_register(rfk->rfkill); - if (err) - goto error; - - return; -error: - b43legacywarn(dev->wl, "Failed to initialize the RF-kill button\n"); - rfkill_free(rfk->rfkill); - rfk->rfkill = NULL; + rfk->poll_dev = input_allocate_polled_device(); + if (rfk->poll_dev) { + rfk->poll_dev->private = dev; + rfk->poll_dev->poll = b43legacy_rfkill_poll; + rfk->poll_dev->poll_interval = 1000; /* msecs */ + } else + b43legacywarn(wl, "Failed to allocate RF-kill polldev\n"); } -void b43legacy_rfkill_exit(struct b43legacy_wldev *dev) +void b43legacy_rfkill_free(struct b43legacy_wldev *dev) { struct b43legacy_rfkill *rfk = &(dev->wl->rfkill); - if (!rfk->rfkill) - return; - cancel_work_sync(&rfk->notify_work); - rfkill_unregister(rfk->rfkill); + input_free_polled_device(rfk->poll_dev); + rfk->poll_dev = NULL; rfkill_free(rfk->rfkill); rfk->rfkill = NULL; } diff --git a/drivers/net/wireless/b43legacy/rfkill.h b/drivers/net/wireless/b43legacy/rfkill.h index 388ee0b855a..4a81ba3f54f 100644 --- a/drivers/net/wireless/b43legacy/rfkill.h +++ b/drivers/net/wireless/b43legacy/rfkill.h @@ -7,21 +7,27 @@ struct b43legacy_wldev; #include <linux/rfkill.h> #include <linux/workqueue.h> +#include <linux/input-polldev.h> + struct b43legacy_rfkill { /* The RFKILL subsystem data structure */ struct rfkill *rfkill; + /* The poll device for the RFKILL input button */ + struct input_polled_dev *poll_dev; /* The unique name of this rfkill switch */ char name[32]; - /* Workqueue for asynchronous notification. */ - struct work_struct notify_work; }; +/* All the init functions return void, because we are not interested + * in failing the b43 init process when rfkill init failed. */ +void b43legacy_rfkill_alloc(struct b43legacy_wldev *dev); +void b43legacy_rfkill_free(struct b43legacy_wldev *dev); void b43legacy_rfkill_init(struct b43legacy_wldev *dev); void b43legacy_rfkill_exit(struct b43legacy_wldev *dev); -void b43legacy_rfkill_toggled(struct b43legacy_wldev *dev, bool on); -char *b43legacy_rfkill_led_name(struct b43legacy_wldev *dev); + +char * b43legacy_rfkill_led_name(struct b43legacy_wldev *dev); #else /* CONFIG_B43LEGACY_RFKILL */ @@ -31,17 +37,19 @@ struct b43legacy_rfkill { /* empty */ }; -static inline void b43legacy_rfkill_init(struct b43legacy_wldev *dev) +static inline void b43legacy_rfkill_alloc(struct b43legacy_wldev *dev) { } -static inline void b43legacy_rfkill_exit(struct b43legacy_wldev *dev) +static inline void b43legacy_rfkill_free(struct b43legacy_wldev *dev) { } -static inline void b43legacy_rfkill_toggled(struct b43legacy_wldev *dev, - bool on) +static inline void b43legacy_rfkill_init(struct b43legacy_wldev *dev) +{ +} +static inline void b43legacy_rfkill_exit(struct b43legacy_wldev *dev) { } -static inline char *b43legacy_rfkill_led_name(struct b43legacy_wldev *dev) +static inline char * b43legacy_rfkill_led_name(struct b43legacy_wldev *dev) { return NULL; } |