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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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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_ */