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b43/legacy: port to cfg80211 rfkill

Browse source 
This ports the b43/legacy rfkill code to the new API offered
by cfg80211 and thus removes a lot of useless stuff.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2009-06-07 12:30:34 -05:00 committed by John W. Linville
parent e6a3b61681
commit f41f3f373d
15 changed files with 68 additions and 343 deletions
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7
drivers/net/wireless/b43/Kconfig
View file

@ -98,13 +98,6 @@ config B43_LEDS
depends on B43 && MAC80211_LEDS && (LEDS_CLASS = y || LEDS_CLASS = B43)
default y
# This config option automatically enables b43 RFKILL support,
# if it's possible.
config B43_RFKILL
bool
depends on B43 && (RFKILL = y || RFKILL = B43)
default y
# This config option automatically enables b43 HW-RNG support,
# if the HW-RNG core is enabled.
config B43_HWRNG

2
drivers/net/wireless/b43/Makefile
View file

@ -13,7 +13,7 @@ b43-y += lo.o
b43-y += wa.o
b43-y += dma.o
b43-$(CONFIG_B43_PIO) += pio.o
b43-$(CONFIG_B43_RFKILL) += rfkill.o
b43-y += rfkill.o
b43-$(CONFIG_B43_LEDS) += leds.o
b43-$(CONFIG_B43_PCMCIA) += pcmcia.o
b43-$(CONFIG_B43_DEBUG) += debugfs.o

3
drivers/net/wireless/b43/b43.h
View file

@ -631,9 +631,6 @@ struct b43_wl {
char rng_name[30 + 1];
#endif /* CONFIG_B43_HWRNG */
/* The RF-kill button */
struct b43_rfkill rfkill;
/* List of all wireless devices on this chip */
struct list_head devlist;
u8 nr_devs;

7
drivers/net/wireless/b43/leds.c
View file

@ -28,6 +28,7 @@
#include "b43.h"
#include "leds.h"
#include "rfkill.h"
static void b43_led_turn_on(struct b43_wldev *dev, u8 led_index,
@ -164,10 +165,10 @@ static void b43_map_led(struct b43_wldev *dev,
snprintf(name, sizeof(name),
"b43-%s::radio", wiphy_name(hw->wiphy));
b43_register_led(dev, &dev->led_radio, name,
b43_rfkill_led_name(dev),
ieee80211_get_radio_led_name(hw),
led_index, activelow);
/* Sync the RF-kill LED state with the switch state. */
if (dev->radio_hw_enable)
/* Sync the RF-kill LED state with radio and switch states. */
if (dev->phy.radio_on && b43_is_hw_radio_enabled(dev))
b43_led_turn_on(dev, led_index, activelow);
break;
case B43_LED_WEIRD:

27
drivers/net/wireless/b43/main.c
View file

@ -4298,7 +4298,6 @@ static int b43_op_start(struct ieee80211_hw *hw)
struct b43_wldev *dev = wl->current_dev;
int did_init = 0;
int err = 0;
bool do_rfkill_exit = 0;
/* Kill all old instance specific information to make sure
* the card won't use it in the short timeframe between start
@ -4312,18 +4311,12 @@ static int b43_op_start(struct ieee80211_hw *hw)
wl->beacon1_uploaded = 0;
wl->beacon_templates_virgin = 1;
/* First register RFkill.
* LEDs that are registered later depend on it. */
b43_rfkill_init(dev);
mutex_lock(&wl->mutex);
if (b43_status(dev) < B43_STAT_INITIALIZED) {
err = b43_wireless_core_init(dev);
if (err) {
do_rfkill_exit = 1;
if (err)
goto out_mutex_unlock;
}
did_init = 1;
}
@ -4332,17 +4325,16 @@ static int b43_op_start(struct ieee80211_hw *hw)
if (err) {
if (did_init)
b43_wireless_core_exit(dev);
do_rfkill_exit = 1;
goto out_mutex_unlock;
}
}
/* XXX: only do if device doesn't support rfkill irq */
wiphy_rfkill_start_polling(hw->wiphy);
out_mutex_unlock:
mutex_unlock(&wl->mutex);
if (do_rfkill_exit)
b43_rfkill_exit(dev);
return err;
}
@ -4351,7 +4343,6 @@ static void b43_op_stop(struct ieee80211_hw *hw)
struct b43_wl *wl = hw_to_b43_wl(hw);
struct b43_wldev *dev = wl->current_dev;
b43_rfkill_exit(dev);
cancel_work_sync(&(wl->beacon_update_trigger));
mutex_lock(&wl->mutex);
@ -4433,6 +4424,7 @@ static const struct ieee80211_ops b43_hw_ops = {
.sta_notify = b43_op_sta_notify,
.sw_scan_start = b43_op_sw_scan_start_notifier,
.sw_scan_complete = b43_op_sw_scan_complete_notifier,
.rfkill_poll = b43_rfkill_poll,
};
/* Hard-reset the chip. Do not call this directly.
@ -4920,7 +4912,7 @@ static struct ssb_driver b43_ssb_driver = {
static void b43_print_driverinfo(void)
{
const char *feat_pci = "", *feat_pcmcia = "", *feat_nphy = "",
*feat_leds = "", *feat_rfkill = "";
*feat_leds = "";
#ifdef CONFIG_B43_PCI_AUTOSELECT
feat_pci = "P";
@ -4933,15 +4925,12 @@ static void b43_print_driverinfo(void)
#endif
#ifdef CONFIG_B43_LEDS
feat_leds = "L";
#endif
#ifdef CONFIG_B43_RFKILL
feat_rfkill = "R";
#endif
printk(KERN_INFO "Broadcom 43xx driver loaded "
"[ Features: %s%s%s%s%s, Firmware-ID: "
"[ Features: %s%s%s%s, Firmware-ID: "
B43_SUPPORTED_FIRMWARE_ID " ]\n",
feat_pci, feat_pcmcia, feat_nphy,
feat_leds, feat_rfkill);
feat_leds);
}
static int __init b43_init(void)

2
drivers/net/wireless/b43/phy_common.h
View file

@ -1,7 +1,7 @@
#ifndef LINUX_B43_PHY_COMMON_H_
#define LINUX_B43_PHY_COMMON_H_
#include <linux/rfkill.h>
#include <linux/types.h>
struct b43_wldev;

117
drivers/net/wireless/b43/rfkill.c
View file

@ -22,15 +22,11 @@
*/
#include "rfkill.h"
#include "b43.h"
#include "phy_common.h"
#include <linux/kmod.h>
/* Returns TRUE, if the radio is enabled in hardware. */
static bool b43_is_hw_radio_enabled(struct b43_wldev *dev)
bool b43_is_hw_radio_enabled(struct b43_wldev *dev)
{
if (dev->phy.rev >= 3) {
if (!(b43_read32(dev, B43_MMIO_RADIO_HWENABLED_HI)
@ -45,110 +41,39 @@ static bool b43_is_hw_radio_enabled(struct b43_wldev *dev)
}
/* The poll callback for the hardware button. */
static void b43_rfkill_poll(struct rfkill *rfkill, void *data)
void b43_rfkill_poll(struct ieee80211_hw *hw)
{
struct b43_wldev *dev = data;
struct b43_wl *wl = dev->wl;
struct b43_wl *wl = hw_to_b43_wl(hw);
struct b43_wldev *dev = wl->current_dev;
struct ssb_bus *bus = dev->dev->bus;
bool enabled;
bool brought_up = false;
mutex_lock(&wl->mutex);
if (unlikely(b43_status(dev) < B43_STAT_INITIALIZED)) {
mutex_unlock(&wl->mutex);
return;
if (ssb_bus_powerup(bus, 0)) {
mutex_unlock(&wl->mutex);
return;
}
ssb_device_enable(dev->dev, 0);
brought_up = true;
}
enabled = b43_is_hw_radio_enabled(dev);
if (unlikely(enabled != dev->radio_hw_enable)) {
dev->radio_hw_enable = enabled;
b43info(wl, "Radio hardware status changed to %s\n",
enabled ? "ENABLED" : "DISABLED");
enabled = !rfkill_set_hw_state(rfkill, !enabled);
wiphy_rfkill_set_hw_state(hw->wiphy, !enabled);
if (enabled != dev->phy.radio_on)
b43_software_rfkill(dev, !enabled);
}
if (brought_up) {
ssb_device_disable(dev->dev, 0);
ssb_bus_may_powerdown(bus);
}
mutex_unlock(&wl->mutex);
}
/* Called when the RFKILL toggled in software. */
static int b43_rfkill_soft_set(void *data, bool blocked)
{
struct b43_wldev *dev = data;
struct b43_wl *wl = dev->wl;
int err = -EINVAL;
if (WARN_ON(!wl->rfkill.registered))
return -EINVAL;
mutex_lock(&wl->mutex);
if (b43_status(dev) < B43_STAT_INITIALIZED)
goto out_unlock;
if (!dev->radio_hw_enable)
goto out_unlock;
if (!blocked != dev->phy.radio_on)
b43_software_rfkill(dev, blocked);
err = 0;
out_unlock:
mutex_unlock(&wl->mutex);
return err;
}
const char *b43_rfkill_led_name(struct b43_wldev *dev)
{
struct b43_rfkill *rfk = &(dev->wl->rfkill);
if (!rfk->registered)
return NULL;
return rfkill_get_led_trigger_name(rfk->rfkill);
}
static const struct rfkill_ops b43_rfkill_ops = {
.set_block = b43_rfkill_soft_set,
.poll = b43_rfkill_poll,
};
void b43_rfkill_init(struct b43_wldev *dev)
{
struct b43_wl *wl = dev->wl;
struct b43_rfkill *rfk = &(wl->rfkill);
int err;
rfk->registered = 0;
snprintf(rfk->name, sizeof(rfk->name),
"b43-%s", wiphy_name(wl->hw->wiphy));
rfk->rfkill = rfkill_alloc(rfk->name,
dev->dev->dev,
RFKILL_TYPE_WLAN,
&b43_rfkill_ops, dev);
if (!rfk->rfkill)
goto out_error;
err = rfkill_register(rfk->rfkill);
if (err)
goto err_free;
rfk->registered = 1;
return;
err_free:
rfkill_destroy(rfk->rfkill);
out_error:
rfk->registered = 0;
b43warn(wl, "RF-kill button init failed\n");
}
void b43_rfkill_exit(struct b43_wldev *dev)
{
struct b43_rfkill *rfk = &(dev->wl->rfkill);
if (!rfk->registered)
return;
rfk->registered = 0;
rfkill_unregister(rfk->rfkill);
rfkill_destroy(rfk->rfkill);
rfk->rfkill = NULL;
}

44
drivers/net/wireless/b43/rfkill.h
View file

@ -1,49 +1,11 @@
#ifndef B43_RFKILL_H_
#define B43_RFKILL_H_
struct ieee80211_hw;
struct b43_wldev;
void b43_rfkill_poll(struct ieee80211_hw *hw);
#ifdef CONFIG_B43_RFKILL
#include <linux/rfkill.h>
struct b43_rfkill {
/* The RFKILL subsystem data structure */
struct rfkill *rfkill;
/* Did initialization succeed? Used for freeing. */
bool registered;
/* The unique name of this rfkill switch */
char name[sizeof("b43-phy4294967295")];
};
/* The init function returns void, because we are not interested
* in failing the b43 init process when rfkill init failed. */
void b43_rfkill_init(struct b43_wldev *dev);
void b43_rfkill_exit(struct b43_wldev *dev);
const char *b43_rfkill_led_name(struct b43_wldev *dev);
#else /* CONFIG_B43_RFKILL */
/* No RFKILL support. */
struct b43_rfkill {
/* empty */
};
static inline void b43_rfkill_init(struct b43_wldev *dev)
{
}
static inline void b43_rfkill_exit(struct b43_wldev *dev)
{
}
static inline char * b43_rfkill_led_name(struct b43_wldev *dev)
{
return NULL;
}
#endif /* CONFIG_B43_RFKILL */
bool b43_is_hw_radio_enabled(struct b43_wldev *dev);
#endif /* B43_RFKILL_H_ */

8
drivers/net/wireless/b43legacy/Kconfig
View file

@ -42,14 +42,6 @@ config B43LEGACY_LEDS
depends on B43LEGACY && MAC80211_LEDS && (LEDS_CLASS = y || LEDS_CLASS = B43LEGACY)
default y
# RFKILL support
# This config option automatically enables b43legacy RFKILL support,
# if it's possible.
config B43LEGACY_RFKILL
bool
depends on B43LEGACY && (RFKILL = y || RFKILL = B43LEGACY)
default y
# This config option automatically enables b43 HW-RNG support,
# if the HW-RNG core is enabled.
config B43LEGACY_HWRNG

2
drivers/net/wireless/b43legacy/Makefile
View file

@ -6,7 +6,7 @@ b43legacy-y += radio.o
b43legacy-y += sysfs.o
b43legacy-y += xmit.o
# b43 RFKILL button support
b43legacy-$(CONFIG_B43LEGACY_RFKILL) += rfkill.o
b43legacy-y += rfkill.o
# b43legacy LED support
b43legacy-$(CONFIG_B43LEGACY_LEDS) += leds.o
# b43legacy debugging

3
drivers/net/wireless/b43legacy/b43legacy.h
View file

@ -602,9 +602,6 @@ struct b43legacy_wl {
char rng_name[30 + 1];
#endif
/* The RF-kill button */
struct b43legacy_rfkill rfkill;
/* List of all wireless devices on this chip */
struct list_head devlist;
u8 nr_devs;

7
drivers/net/wireless/b43legacy/leds.c
View file

@ -28,6 +28,7 @@
#include "b43legacy.h"
#include "leds.h"
#include "rfkill.h"
static void b43legacy_led_turn_on(struct b43legacy_wldev *dev, u8 led_index,
@ -164,10 +165,10 @@ static void b43legacy_map_led(struct b43legacy_wldev *dev,
snprintf(name, sizeof(name),
"b43legacy-%s::radio", wiphy_name(hw->wiphy));
b43legacy_register_led(dev, &dev->led_radio, name,
b43legacy_rfkill_led_name(dev),
ieee80211_get_radio_led_name(hw),
led_index, activelow);
/* Sync the RF-kill LED state with the switch state. */
if (dev->radio_hw_enable)
/* Sync the RF-kill LED state with radio and switch states. */
if (dev->phy.radio_on && b43legacy_is_hw_radio_enabled(dev))
b43legacy_led_turn_on(dev, led_index, activelow);
break;
case B43legacy_LED_WEIRD:

17
drivers/net/wireless/b43legacy/main.c
View file

@ -3431,11 +3431,6 @@ static int b43legacy_op_start(struct ieee80211_hw *hw)
struct b43legacy_wldev *dev = wl->current_dev;
int did_init = 0;
int err = 0;
bool do_rfkill_exit = 0;
/* First register RFkill.
* LEDs that are registered later depend on it. */
b43legacy_rfkill_init(dev);
/* Kill all old instance specific information to make sure
* the card won't use it in the short timeframe between start
@ -3451,10 +3446,8 @@ static int b43legacy_op_start(struct ieee80211_hw *hw)
if (b43legacy_status(dev) < B43legacy_STAT_INITIALIZED) {
err = b43legacy_wireless_core_init(dev);
if (err) {
do_rfkill_exit = 1;
if (err)
goto out_mutex_unlock;
}
did_init = 1;
}
@ -3463,17 +3456,15 @@ static int b43legacy_op_start(struct ieee80211_hw *hw)
if (err) {
if (did_init)
b43legacy_wireless_core_exit(dev);
do_rfkill_exit = 1;
goto out_mutex_unlock;
}
}
wiphy_rfkill_start_polling(hw->wiphy);
out_mutex_unlock:
mutex_unlock(&wl->mutex);
if (do_rfkill_exit)
b43legacy_rfkill_exit(dev);
return err;
}
@ -3482,7 +3473,6 @@ static void b43legacy_op_stop(struct ieee80211_hw *hw)
struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw);
struct b43legacy_wldev *dev = wl->current_dev;
b43legacy_rfkill_exit(dev);
cancel_work_sync(&(wl->beacon_update_trigger));
mutex_lock(&wl->mutex);
@ -3518,6 +3508,7 @@ static const struct ieee80211_ops b43legacy_hw_ops = {
.start = b43legacy_op_start,
.stop = b43legacy_op_stop,
.set_tim = b43legacy_op_beacon_set_tim,
.rfkill_poll = b43legacy_rfkill_poll,
};
/* Hard-reset the chip. Do not call this directly.

115
drivers/net/wireless/b43legacy/rfkill.c
View file

@ -22,15 +22,12 @@
*/
#include "rfkill.h"
#include "radio.h"
#include "b43legacy.h"
#include <linux/kmod.h>
/* Returns TRUE, if the radio is enabled in hardware. */
static bool b43legacy_is_hw_radio_enabled(struct b43legacy_wldev *dev)
bool b43legacy_is_hw_radio_enabled(struct b43legacy_wldev *dev)
{
if (dev->phy.rev >= 3) {
if (!(b43legacy_read32(dev, B43legacy_MMIO_RADIO_HWENABLED_HI)
@ -45,23 +42,31 @@ static bool b43legacy_is_hw_radio_enabled(struct b43legacy_wldev *dev)
}
/* The poll callback for the hardware button. */
static void b43legacy_rfkill_poll(struct rfkill *rfkill, void *data)
void b43legacy_rfkill_poll(struct ieee80211_hw *hw)
{
struct b43legacy_wldev *dev = data;
struct b43legacy_wl *wl = dev->wl;
struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw);
struct b43legacy_wldev *dev = wl->current_dev;
struct ssb_bus *bus = dev->dev->bus;
bool enabled;
bool brought_up = false;
mutex_lock(&wl->mutex);
if (unlikely(b43legacy_status(dev) < B43legacy_STAT_INITIALIZED)) {
mutex_unlock(&wl->mutex);
return;
if (ssb_bus_powerup(bus, 0)) {
mutex_unlock(&wl->mutex);
return;
}
ssb_device_enable(dev->dev, 0);
brought_up = true;
}
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");
enabled = !rfkill_set_hw_state(rfkill, !enabled);
wiphy_rfkill_set_hw_state(hw->wiphy, !enabled);
if (enabled != dev->phy.radio_on) {
if (enabled)
b43legacy_radio_turn_on(dev);
@ -69,95 +74,11 @@ static void b43legacy_rfkill_poll(struct rfkill *rfkill, void *data)
b43legacy_radio_turn_off(dev, 0);
}
}
mutex_unlock(&wl->mutex);
}
/* Called when the RFKILL toggled in software.
* This is called without locking. */
static int b43legacy_rfkill_soft_set(void *data, bool blocked)
{
struct b43legacy_wldev *dev = data;
struct b43legacy_wl *wl = dev->wl;
int ret = -EINVAL;
if (!wl->rfkill.registered)
return -EINVAL;
mutex_lock(&wl->mutex);
if (b43legacy_status(dev) < B43legacy_STAT_INITIALIZED)
goto out_unlock;
if (!dev->radio_hw_enable)
goto out_unlock;
if (!blocked != dev->phy.radio_on) {
if (!blocked)
b43legacy_radio_turn_on(dev);
else
b43legacy_radio_turn_off(dev, 0);
if (brought_up) {
ssb_device_disable(dev->dev, 0);
ssb_bus_may_powerdown(bus);
}
ret = 0;
out_unlock:
mutex_unlock(&wl->mutex);
return ret;
}
const char *b43legacy_rfkill_led_name(struct b43legacy_wldev *dev)
{
struct b43legacy_rfkill *rfk = &(dev->wl->rfkill);
if (!rfk->registered)
return NULL;
return rfkill_get_led_trigger_name(rfk->rfkill);
}
static const struct rfkill_ops b43legacy_rfkill_ops = {
.set_block = b43legacy_rfkill_soft_set,
.poll = b43legacy_rfkill_poll,
};
void b43legacy_rfkill_init(struct b43legacy_wldev *dev)
{
struct b43legacy_wl *wl = dev->wl;
struct b43legacy_rfkill *rfk = &(wl->rfkill);
int err;
rfk->registered = 0;
snprintf(rfk->name, sizeof(rfk->name),
"b43legacy-%s", wiphy_name(wl->hw->wiphy));
rfk->rfkill = rfkill_alloc(rfk->name,
dev->dev->dev,
RFKILL_TYPE_WLAN,
&b43legacy_rfkill_ops, dev);
if (!rfk->rfkill)
goto out_error;
err = rfkill_register(rfk->rfkill);
if (err)
goto err_free;
rfk->registered = 1;
return;
err_free:
rfkill_destroy(rfk->rfkill);
out_error:
rfk->registered = 0;
b43legacywarn(wl, "RF-kill button init failed\n");
}
void b43legacy_rfkill_exit(struct b43legacy_wldev *dev)
{
struct b43legacy_rfkill *rfk = &(dev->wl->rfkill);
if (!rfk->registered)
return;
rfk->registered = 0;
rfkill_unregister(rfk->rfkill);
rfkill_destroy(rfk->rfkill);
rfk->rfkill = NULL;
}

50
drivers/net/wireless/b43legacy/rfkill.h
View file

@ -1,55 +1,11 @@
#ifndef B43legacy_RFKILL_H_
#define B43legacy_RFKILL_H_
struct ieee80211_hw;
struct b43legacy_wldev;
#ifdef CONFIG_B43LEGACY_RFKILL
void b43legacy_rfkill_poll(struct ieee80211_hw *hw);
#include <linux/rfkill.h>
struct b43legacy_rfkill {
/* The RFKILL subsystem data structure */
struct rfkill *rfkill;
/* Did initialization succeed? Used for freeing. */
bool registered;
/* The unique name of this rfkill switch */
char name[sizeof("b43legacy-phy4294967295")];
};
/* The init function returns void, because we are not interested
* in failing the b43 init process when rfkill init failed. */
void b43legacy_rfkill_init(struct b43legacy_wldev *dev);
void b43legacy_rfkill_exit(struct b43legacy_wldev *dev);
const char *b43legacy_rfkill_led_name(struct b43legacy_wldev *dev);
#else /* CONFIG_B43LEGACY_RFKILL */
/* No RFKILL support. */
struct b43legacy_rfkill {
/* empty */
};
static inline void b43legacy_rfkill_alloc(struct b43legacy_wldev *dev)
{
}
static inline void b43legacy_rfkill_free(struct b43legacy_wldev *dev)
{
}
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)
{
return NULL;
}
#endif /* CONFIG_B43LEGACY_RFKILL */
bool b43legacy_is_hw_radio_enabled(struct b43legacy_wldev *dev);
#endif /* B43legacy_RFKILL_H_ */