Broadcom B43 wireless driver
Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>
- Copyright (c) 2005 Stefano Brivio <st3@riseup.net>
+ Copyright (c) 2005 Stefano Brivio <stefano.brivio@polimi.it>
Copyright (c) 2005, 2006 Michael Buesch <mb@bu3sch.de>
Copyright (c) 2005 Danny van Dyk <kugelfang@gentoo.org>
Copyright (c) 2005 Andreas Jaggi <andreas.jaggi@waterwave.ch>
#include "debugfs.h"
#include "phy.h"
#include "dma.h"
-#include "pio.h"
#include "sysfs.h"
#include "xmit.h"
#include "lo.h"
MODULE_AUTHOR("Michael Buesch");
MODULE_LICENSE("GPL");
-extern char *nvram_get(char *name);
-
-#if defined(CONFIG_B43_DMA) && defined(CONFIG_B43_PIO)
-static int modparam_pio;
-module_param_named(pio, modparam_pio, int, 0444);
-MODULE_PARM_DESC(pio, "enable(1) / disable(0) PIO mode");
-#elif defined(CONFIG_B43_DMA)
-# define modparam_pio 0
-#elif defined(CONFIG_B43_PIO)
-# define modparam_pio 1
-#endif
static int modparam_bad_frames_preempt;
module_param_named(bad_frames_preempt, modparam_bad_frames_preempt, int, 0444);
MODULE_PARM_DESC(bad_frames_preempt,
"enable(1) / disable(0) Bad Frames Preemption");
-static int modparam_short_retry = B43_DEFAULT_SHORT_RETRY_LIMIT;
-module_param_named(short_retry, modparam_short_retry, int, 0444);
-MODULE_PARM_DESC(short_retry, "Short-Retry-Limit (0 - 15)");
-
-static int modparam_long_retry = B43_DEFAULT_LONG_RETRY_LIMIT;
-module_param_named(long_retry, modparam_long_retry, int, 0444);
-MODULE_PARM_DESC(long_retry, "Long-Retry-Limit (0 - 15)");
-
static char modparam_fwpostfix[16];
module_param_string(fwpostfix, modparam_fwpostfix, 16, 0444);
MODULE_PARM_DESC(fwpostfix, "Postfix for the .fw files to load.");
SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 7),
SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 9),
SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 10),
+ SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 11),
+ SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 13),
SSB_DEVTABLE_END
};
.power_level = 0xFF, \
.antenna_max = 0xFF, \
}
-static struct ieee80211_channel b43_bg_chantable[] = {
+static struct ieee80211_channel b43_2ghz_chantable[] = {
CHANTAB_ENT(1, 2412),
CHANTAB_ENT(2, 2417),
CHANTAB_ENT(3, 2422),
CHANTAB_ENT(13, 2472),
CHANTAB_ENT(14, 2484),
};
+#define b43_2ghz_chantable_size ARRAY_SIZE(b43_2ghz_chantable)
-#define b43_bg_chantable_size ARRAY_SIZE(b43_bg_chantable)
-static struct ieee80211_channel b43_a_chantable[] = {
+#if 0
+static struct ieee80211_channel b43_5ghz_chantable[] = {
CHANTAB_ENT(36, 5180),
CHANTAB_ENT(40, 5200),
CHANTAB_ENT(44, 5220),
CHANTAB_ENT(161, 5805),
CHANTAB_ENT(165, 5825),
};
-
-#define b43_a_chantable_size ARRAY_SIZE(b43_a_chantable)
+#define b43_5ghz_chantable_size ARRAY_SIZE(b43_5ghz_chantable)
+#endif
static void b43_wireless_core_exit(struct b43_wldev *dev);
static int b43_wireless_core_init(struct b43_wldev *dev);
static void b43_generate_noise_sample(struct b43_wldev *dev)
{
b43_jssi_write(dev, 0x7F7F7F7F);
- b43_write32(dev, B43_MMIO_STATUS2_BITFIELD,
- b43_read32(dev, B43_MMIO_STATUS2_BITFIELD)
- | (1 << 4));
+ b43_write32(dev, B43_MMIO_MACCMD,
+ b43_read32(dev, B43_MMIO_MACCMD) | B43_MACCMD_BGNOISE);
B43_WARN_ON(dev->noisecalc.channel_at_start != dev->phy.channel);
}
if (1 /*FIXME: the last PSpoll frame was sent successfully */ )
b43_power_saving_ctl_bits(dev, 0);
}
- dev->reg124_set_0x4 = 0;
if (b43_is_mode(dev->wl, IEEE80211_IF_TYPE_IBSS))
- dev->reg124_set_0x4 = 1;
+ dev->dfq_valid = 1;
}
static void handle_irq_atim_end(struct b43_wldev *dev)
{
- if (!dev->reg124_set_0x4 /*FIXME rename this variable */ )
- return;
- b43_write32(dev, B43_MMIO_STATUS2_BITFIELD,
- b43_read32(dev, B43_MMIO_STATUS2_BITFIELD)
- | 0x4);
+ if (dev->dfq_valid) {
+ b43_write32(dev, B43_MMIO_MACCMD,
+ b43_read32(dev, B43_MMIO_MACCMD)
+ | B43_MACCMD_DFQ_VALID);
+ dev->dfq_valid = 0;
+ }
}
static void handle_irq_pmq(struct b43_wldev *dev)
static void b43_update_templates(struct b43_wldev *dev)
{
- u32 status;
+ u32 cmd;
B43_WARN_ON(!dev->cached_beacon);
b43_write_beacon_template(dev, 0x468, 0x1A, B43_CCK_RATE_1MB);
b43_write_probe_resp_template(dev, 0x268, 0x4A, B43_CCK_RATE_11MB);
- status = b43_read32(dev, B43_MMIO_STATUS2_BITFIELD);
- status |= 0x03;
- b43_write32(dev, B43_MMIO_STATUS2_BITFIELD, status);
+ cmd = b43_read32(dev, B43_MMIO_MACCMD);
+ cmd |= B43_MACCMD_BEACON0_VALID | B43_MACCMD_BEACON1_VALID;
+ b43_write32(dev, B43_MMIO_MACCMD, cmd);
}
static void b43_refresh_templates(struct b43_wldev *dev, struct sk_buff *beacon)
return;
dev->irq_savedstate &= ~B43_IRQ_BEACON;
- status = b43_read32(dev, B43_MMIO_STATUS2_BITFIELD);
+ status = b43_read32(dev, B43_MMIO_MACCMD);
if (!dev->cached_beacon || ((status & 0x1) && (status & 0x2))) {
/* ACK beacon IRQ. */
if (!(status & 0x1)) {
b43_write_beacon_template(dev, 0x68, 0x18, B43_CCK_RATE_1MB);
status |= 0x1;
- b43_write32(dev, B43_MMIO_STATUS2_BITFIELD, status);
+ b43_write32(dev, B43_MMIO_MACCMD, status);
}
if (!(status & 0x2)) {
b43_write_beacon_template(dev, 0x468, 0x1A, B43_CCK_RATE_1MB);
status |= 0x2;
- b43_write32(dev, B43_MMIO_STATUS2_BITFIELD, status);
+ b43_write32(dev, B43_MMIO_MACCMD, status);
}
}
if (unlikely(reason & B43_IRQ_MAC_TXERR))
b43err(dev->wl, "MAC transmission error\n");
- if (unlikely(reason & B43_IRQ_PHY_TXERR))
+ if (unlikely(reason & B43_IRQ_PHY_TXERR)) {
b43err(dev->wl, "PHY transmission error\n");
+ rmb();
+ if (unlikely(atomic_dec_and_test(&dev->phy.txerr_cnt))) {
+ atomic_set(&dev->phy.txerr_cnt,
+ B43_PHY_TX_BADNESS_LIMIT);
+ b43err(dev->wl, "Too many PHY TX errors, "
+ "restarting the controller\n");
+ b43_controller_restart(dev, "PHY TX errors");
+ }
+ }
if (unlikely(merged_dma_reason & (B43_DMAIRQ_FATALMASK |
B43_DMAIRQ_NONFATALMASK))) {
handle_irq_noise(dev);
/* Check the DMA reason registers for received data. */
- if (dma_reason[0] & B43_DMAIRQ_RX_DONE) {
- if (b43_using_pio(dev))
- b43_pio_rx(dev->pio.queue0);
- else
- b43_dma_rx(dev->dma.rx_ring0);
- }
+ if (dma_reason[0] & B43_DMAIRQ_RX_DONE)
+ b43_dma_rx(dev->dma.rx_ring0);
+ if (dma_reason[3] & B43_DMAIRQ_RX_DONE)
+ b43_dma_rx(dev->dma.rx_ring3);
B43_WARN_ON(dma_reason[1] & B43_DMAIRQ_RX_DONE);
B43_WARN_ON(dma_reason[2] & B43_DMAIRQ_RX_DONE);
- if (dma_reason[3] & B43_DMAIRQ_RX_DONE) {
- if (b43_using_pio(dev))
- b43_pio_rx(dev->pio.queue3);
- else
- b43_dma_rx(dev->dma.rx_ring3);
- }
B43_WARN_ON(dma_reason[4] & B43_DMAIRQ_RX_DONE);
B43_WARN_ON(dma_reason[5] & B43_DMAIRQ_RX_DONE);
spin_unlock_irqrestore(&dev->wl->irq_lock, flags);
}
-static void pio_irq_workaround(struct b43_wldev *dev, u16 base, int queueidx)
-{
- u16 rxctl;
-
- rxctl = b43_read16(dev, base + B43_PIO_RXCTL);
- if (rxctl & B43_PIO_RXCTL_DATAAVAILABLE)
- dev->dma_reason[queueidx] |= B43_DMAIRQ_RX_DONE;
- else
- dev->dma_reason[queueidx] &= ~B43_DMAIRQ_RX_DONE;
-}
-
static void b43_interrupt_ack(struct b43_wldev *dev, u32 reason)
{
- if (b43_using_pio(dev) &&
- (dev->dev->id.revision < 3) &&
- (!(reason & B43_IRQ_PIO_WORKAROUND))) {
- /* Apply a PIO specific workaround to the dma_reasons */
- pio_irq_workaround(dev, B43_MMIO_PIO1_BASE, 0);
- pio_irq_workaround(dev, B43_MMIO_PIO2_BASE, 1);
- pio_irq_workaround(dev, B43_MMIO_PIO3_BASE, 2);
- pio_irq_workaround(dev, B43_MMIO_PIO4_BASE, 3);
- }
-
b43_write32(dev, B43_MMIO_GEN_IRQ_REASON, reason);
b43_write32(dev, B43_MMIO_DMA0_REASON, dev->dma_reason[0]);
switch (dev->phy.type) {
case B43_PHYTYPE_A:
if ((rev >= 5) && (rev <= 10)) {
- if (tmshigh & B43_TMSHIGH_GPHY)
+ if (tmshigh & B43_TMSHIGH_HAVE_2GHZ_PHY)
filename = "a0g1initvals5";
else
filename = "a0g0initvals5";
switch (dev->phy.type) {
case B43_PHYTYPE_A:
if ((rev >= 5) && (rev <= 10)) {
- if (tmshigh & B43_TMSHIGH_GPHY)
+ if (tmshigh & B43_TMSHIGH_HAVE_2GHZ_PHY)
filename = "a0g1bsinitvals5";
else
filename = "a0g0bsinitvals5";
mask |= 0x0180;
set |= 0x0180;
}
- if (dev->dev->bus->sprom.r1.boardflags_lo & B43_BFL_PACTRL) {
+ if (dev->dev->bus->sprom.boardflags_lo & B43_BFL_PACTRL) {
b43_write16(dev, B43_MMIO_GPIO_MASK,
b43_read16(dev, B43_MMIO_GPIO_MASK)
| 0x0200);
static void b43_chip_exit(struct b43_wldev *dev)
{
b43_radio_turn_off(dev, 1);
- b43_leds_exit(dev);
b43_gpio_cleanup(dev);
/* firmware is released later */
}
err = b43_gpio_init(dev);
if (err)
goto out; /* firmware is released later */
- b43_leds_init(dev);
err = b43_upload_initvals(dev);
if (err)
- goto err_leds_exit;
+ goto err_gpio_clean;
b43_radio_turn_on(dev);
b43_write16(dev, 0x03E6, 0x0000);
b43_write32(dev, B43_MMIO_MACCTL, b43_read32(dev, B43_MMIO_MACCTL)
| B43_MACCTL_INFRA);
- if (b43_using_pio(dev)) {
- b43_write32(dev, 0x0210, 0x00000100);
- b43_write32(dev, 0x0230, 0x00000100);
- b43_write32(dev, 0x0250, 0x00000100);
- b43_write32(dev, 0x0270, 0x00000100);
- b43_shm_write16(dev, B43_SHM_SHARED, 0x0034, 0x0000);
- }
-
/* Probe Response Timeout value */
/* FIXME: Default to 0, has to be set by ioctl probably... :-/ */
b43_shm_write16(dev, B43_SHM_SHARED, 0x0074, 0x0000);
err_radio_off:
b43_radio_turn_off(dev, 1);
-err_leds_exit:
- b43_leds_exit(dev);
+err_gpio_clean:
b43_gpio_cleanup(dev);
return err;
}
if (!b43_has_hardware_pctl(phy))
b43_lo_g_ctl_mark_all_unused(dev);
- if (dev->dev->bus->sprom.r1.boardflags_lo & B43_BFL_RSSI) {
+ if (dev->dev->bus->sprom.boardflags_lo & B43_BFL_RSSI) {
b43_mac_suspend(dev);
b43_calc_nrssi_slope(dev);
if ((phy->radio_ver == 0x2050) && (phy->radio_rev == 8)) {
}
b43_phy_xmitpower(dev); //FIXME: unless scanning?
//TODO for APHY (temperature?)
+
+ atomic_set(&phy->txerr_cnt, B43_PHY_TX_BADNESS_LIMIT);
+ wmb();
}
static void do_periodic_work(struct b43_wldev *dev)
queue_delayed_work(dev->wl->hw->workqueue, work, 0);
}
-/* Validate access to the chip (SHM) */
+/* Check if communication with the device works correctly. */
static int b43_validate_chipaccess(struct b43_wldev *dev)
{
- u32 value;
- u32 shm_backup;
+ u32 v, backup;
- shm_backup = b43_shm_read32(dev, B43_SHM_SHARED, 0);
- b43_shm_write32(dev, B43_SHM_SHARED, 0, 0xAA5555AA);
- if (b43_shm_read32(dev, B43_SHM_SHARED, 0) != 0xAA5555AA)
- goto error;
+ backup = b43_shm_read32(dev, B43_SHM_SHARED, 0);
+
+ /* Check for read/write and endianness problems. */
b43_shm_write32(dev, B43_SHM_SHARED, 0, 0x55AAAA55);
if (b43_shm_read32(dev, B43_SHM_SHARED, 0) != 0x55AAAA55)
goto error;
- b43_shm_write32(dev, B43_SHM_SHARED, 0, shm_backup);
-
- value = b43_read32(dev, B43_MMIO_MACCTL);
- if ((value | B43_MACCTL_GMODE) !=
- (B43_MACCTL_GMODE | B43_MACCTL_IHR_ENABLED))
+ b43_shm_write32(dev, B43_SHM_SHARED, 0, 0xAA5555AA);
+ if (b43_shm_read32(dev, B43_SHM_SHARED, 0) != 0xAA5555AA)
goto error;
- value = b43_read32(dev, B43_MMIO_GEN_IRQ_REASON);
- if (value)
+ b43_shm_write32(dev, B43_SHM_SHARED, 0, backup);
+
+ if ((dev->dev->id.revision >= 3) && (dev->dev->id.revision <= 10)) {
+ /* The 32bit register shadows the two 16bit registers
+ * with update sideeffects. Validate this. */
+ b43_write16(dev, B43_MMIO_TSF_CFP_START, 0xAAAA);
+ b43_write32(dev, B43_MMIO_TSF_CFP_START, 0xCCCCBBBB);
+ if (b43_read16(dev, B43_MMIO_TSF_CFP_START_LOW) != 0xBBBB)
+ goto error;
+ if (b43_read16(dev, B43_MMIO_TSF_CFP_START_HIGH) != 0xCCCC)
+ goto error;
+ }
+ b43_write32(dev, B43_MMIO_TSF_CFP_START, 0);
+
+ v = b43_read32(dev, B43_MMIO_MACCTL);
+ v |= B43_MACCTL_GMODE;
+ if (v != (B43_MACCTL_GMODE | B43_MACCTL_IHR_ENABLED))
goto error;
return 0;
- error:
+error:
b43err(dev->wl, "Failed to validate the chipaccess\n");
return -ENODEV;
}
return err;
}
-static int b43_tx(struct ieee80211_hw *hw,
- struct sk_buff *skb, struct ieee80211_tx_control *ctl)
+static int b43_op_tx(struct ieee80211_hw *hw,
+ struct sk_buff *skb,
+ struct ieee80211_tx_control *ctl)
{
struct b43_wl *wl = hw_to_b43_wl(hw);
struct b43_wldev *dev = wl->current_dev;
int err = -ENODEV;
- unsigned long flags;
if (unlikely(!dev))
goto out;
if (unlikely(b43_status(dev) < B43_STAT_STARTED))
goto out;
/* DMA-TX is done without a global lock. */
- if (b43_using_pio(dev)) {
- spin_lock_irqsave(&wl->irq_lock, flags);
- err = b43_pio_tx(dev, skb, ctl);
- spin_unlock_irqrestore(&wl->irq_lock, flags);
- } else
- err = b43_dma_tx(dev, skb, ctl);
- out:
+ err = b43_dma_tx(dev, skb, ctl);
+out:
if (unlikely(err))
return NETDEV_TX_BUSY;
return NETDEV_TX_OK;
}
-static int b43_conf_tx(struct ieee80211_hw *hw,
- int queue,
- const struct ieee80211_tx_queue_params *params)
+static int b43_op_conf_tx(struct ieee80211_hw *hw,
+ int queue,
+ const struct ieee80211_tx_queue_params *params)
{
return 0;
}
-static int b43_get_tx_stats(struct ieee80211_hw *hw,
- struct ieee80211_tx_queue_stats *stats)
+static int b43_op_get_tx_stats(struct ieee80211_hw *hw,
+ struct ieee80211_tx_queue_stats *stats)
{
struct b43_wl *wl = hw_to_b43_wl(hw);
struct b43_wldev *dev = wl->current_dev;
goto out;
spin_lock_irqsave(&wl->irq_lock, flags);
if (likely(b43_status(dev) >= B43_STAT_STARTED)) {
- if (b43_using_pio(dev))
- b43_pio_get_tx_stats(dev, stats);
- else
- b43_dma_get_tx_stats(dev, stats);
+ b43_dma_get_tx_stats(dev, stats);
err = 0;
}
spin_unlock_irqrestore(&wl->irq_lock, flags);
- out:
+out:
return err;
}
-static int b43_get_stats(struct ieee80211_hw *hw,
- struct ieee80211_low_level_stats *stats)
+static int b43_op_get_stats(struct ieee80211_hw *hw,
+ struct ieee80211_low_level_stats *stats)
{
struct b43_wl *wl = hw_to_b43_wl(hw);
unsigned long flags;
return err;
}
-static int b43_antenna_from_ieee80211(u8 antenna)
+/* Check if the use of the antenna that ieee80211 told us to
+ * use is possible. This will fall back to DEFAULT.
+ * "antenna_nr" is the antenna identifier we got from ieee80211. */
+u8 b43_ieee80211_antenna_sanitize(struct b43_wldev *dev,
+ u8 antenna_nr)
+{
+ u8 antenna_mask;
+
+ if (antenna_nr == 0) {
+ /* Zero means "use default antenna". That's always OK. */
+ return 0;
+ }
+
+ /* Get the mask of available antennas. */
+ if (dev->phy.gmode)
+ antenna_mask = dev->dev->bus->sprom.ant_available_bg;
+ else
+ antenna_mask = dev->dev->bus->sprom.ant_available_a;
+
+ if (!(antenna_mask & (1 << (antenna_nr - 1)))) {
+ /* This antenna is not available. Fall back to default. */
+ return 0;
+ }
+
+ return antenna_nr;
+}
+
+static int b43_antenna_from_ieee80211(struct b43_wldev *dev, u8 antenna)
{
+ antenna = b43_ieee80211_antenna_sanitize(dev, antenna);
switch (antenna) {
case 0: /* default/diversity */
return B43_ANTENNA_DEFAULT;
}
}
-static int b43_dev_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf)
+static int b43_op_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf)
{
struct b43_wl *wl = hw_to_b43_wl(hw);
struct b43_wldev *dev;
struct b43_phy *phy;
unsigned long flags;
unsigned int new_phymode = 0xFFFF;
- int antenna_tx;
- int antenna_rx;
+ int antenna;
int err = 0;
u32 savedirqs;
- antenna_tx = b43_antenna_from_ieee80211(conf->antenna_sel_tx);
- antenna_rx = b43_antenna_from_ieee80211(conf->antenna_sel_rx);
-
mutex_lock(&wl->mutex);
/* Switch the PHY mode (if necessary). */
b43_short_slot_timing_disable(dev);
}
+ dev->wl->radiotap_enabled = !!(conf->flags & IEEE80211_CONF_RADIOTAP);
+
/* Adjust the desired TX power level. */
if (conf->power_level != 0) {
if (conf->power_level != phy->power_level) {
}
/* Antennas for RX and management frame TX. */
- b43_mgmtframe_txantenna(dev, antenna_tx);
- b43_set_rx_antenna(dev, antenna_rx);
+ antenna = b43_antenna_from_ieee80211(dev, conf->antenna_sel_tx);
+ b43_mgmtframe_txantenna(dev, antenna);
+ antenna = b43_antenna_from_ieee80211(dev, conf->antenna_sel_rx);
+ b43_set_rx_antenna(dev, antenna);
/* Update templates for AP mode. */
if (b43_is_mode(wl, IEEE80211_IF_TYPE_AP))
return err;
}
-static int b43_dev_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
+static int b43_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
const u8 *local_addr, const u8 *addr,
struct ieee80211_key_conf *key)
{
struct b43_wl *wl = hw_to_b43_wl(hw);
- struct b43_wldev *dev = wl->current_dev;
+ struct b43_wldev *dev;
unsigned long flags;
u8 algorithm;
u8 index;
- int err = -EINVAL;
+ int err;
DECLARE_MAC_BUF(mac);
if (modparam_nohwcrypt)
return -ENOSPC; /* User disabled HW-crypto */
- if (!dev)
- return -ENODEV;
+ mutex_lock(&wl->mutex);
+ spin_lock_irqsave(&wl->irq_lock, flags);
+
+ dev = wl->current_dev;
+ err = -ENODEV;
+ if (!dev || b43_status(dev) < B43_STAT_INITIALIZED)
+ goto out_unlock;
+
+ err = -EINVAL;
switch (key->alg) {
case ALG_WEP:
if (key->keylen == 5)
break;
default:
B43_WARN_ON(1);
- goto out;
+ goto out_unlock;
}
-
index = (u8) (key->keyidx);
if (index > 3)
- goto out;
-
- mutex_lock(&wl->mutex);
- spin_lock_irqsave(&wl->irq_lock, flags);
-
- if (b43_status(dev) < B43_STAT_INITIALIZED) {
- err = -ENODEV;
goto out_unlock;
- }
switch (cmd) {
case SET_KEY:
out_unlock:
spin_unlock_irqrestore(&wl->irq_lock, flags);
mutex_unlock(&wl->mutex);
-out:
if (!err) {
b43dbg(wl, "%s hardware based encryption for keyidx: %d, "
"mac: %s\n",
return err;
}
-static void b43_configure_filter(struct ieee80211_hw *hw,
- unsigned int changed, unsigned int *fflags,
- int mc_count, struct dev_addr_list *mc_list)
+static void b43_op_configure_filter(struct ieee80211_hw *hw,
+ unsigned int changed, unsigned int *fflags,
+ int mc_count, struct dev_addr_list *mc_list)
{
struct b43_wl *wl = hw_to_b43_wl(hw);
struct b43_wldev *dev = wl->current_dev;
spin_unlock_irqrestore(&wl->irq_lock, flags);
}
-static int b43_config_interface(struct ieee80211_hw *hw,
- int if_id, struct ieee80211_if_conf *conf)
+static int b43_op_config_interface(struct ieee80211_hw *hw,
+ int if_id,
+ struct ieee80211_if_conf *conf)
{
struct b43_wl *wl = hw_to_b43_wl(hw);
struct b43_wldev *dev = wl->current_dev;
unsupported = 1;
break;
case B43_PHYTYPE_G:
- if (phy_rev > 8)
+ if (phy_rev > 9)
unsupported = 1;
break;
+#ifdef CONFIG_B43_NPHY
+ case B43_PHYTYPE_N:
+ if (phy_rev > 1)
+ unsupported = 1;
+ break;
+#endif
default:
unsupported = 1;
};
radio_manuf = (tmp & 0x00000FFF);
radio_ver = (tmp & 0x0FFFF000) >> 12;
radio_rev = (tmp & 0xF0000000) >> 28;
+ if (radio_manuf != 0x17F /* Broadcom */)
+ unsupported = 1;
switch (phy_type) {
case B43_PHYTYPE_A:
if (radio_ver != 0x2060)
if (radio_ver != 0x2050)
unsupported = 1;
break;
+ case B43_PHYTYPE_N:
+ if (radio_ver != 5)
+ unsupported = 1;
+ break;
default:
B43_WARN_ON(1);
}
memset(phy->minlowsig, 0xFF, sizeof(phy->minlowsig));
memset(phy->minlowsigpos, 0, sizeof(phy->minlowsigpos));
- /* Flags */
- phy->locked = 0;
-
phy->aci_enable = 0;
phy->aci_wlan_automatic = 0;
phy->aci_hw_rssi = 0;
phy->lofcal = 0xFFFF;
phy->initval = 0xFFFF;
- spin_lock_init(&phy->lock);
phy->interfmode = B43_INTERFMODE_NONE;
phy->channel = 0xFF;
phy->hardware_power_control = !!modparam_hwpctl;
+
+ /* PHY TX errors counter. */
+ atomic_set(&phy->txerr_cnt, B43_PHY_TX_BADNESS_LIMIT);
+
+ /* OFDM-table address caching. */
+ phy->ofdmtab_addr_direction = B43_OFDMTAB_DIRECTION_UNKNOWN;
}
static void setup_struct_wldev_for_init(struct b43_wldev *dev)
{
- /* Flags */
- dev->reg124_set_0x4 = 0;
+ dev->dfq_valid = 0;
+
/* Assume the radio is enabled. If it's not enabled, the state will
* immediately get fixed on the first periodic work run. */
dev->radio_hw_enable = 1;
struct ssb_sprom *sprom = &dev->dev->bus->sprom;
u32 hf;
- if (!(sprom->r1.boardflags_lo & B43_BFL_BTCOEXIST))
+ if (!(sprom->boardflags_lo & B43_BFL_BTCOEXIST))
return;
if (dev->phy.type != B43_PHYTYPE_B && !dev->phy.gmode)
return;
hf = b43_hf_read(dev);
- if (sprom->r1.boardflags_lo & B43_BFL_BTCMOD)
+ if (sprom->boardflags_lo & B43_BFL_BTCMOD)
hf |= B43_HF_BTCOEXALT;
else
hf |= B43_HF_BTCOEX;
#endif /* CONFIG_SSB_DRIVER_PCICORE */
}
+/* Write the short and long frame retry limit values. */
+static void b43_set_retry_limits(struct b43_wldev *dev,
+ unsigned int short_retry,
+ unsigned int long_retry)
+{
+ /* The retry limit is a 4-bit counter. Enforce this to avoid overflowing
+ * the chip-internal counter. */
+ short_retry = min(short_retry, (unsigned int)0xF);
+ long_retry = min(long_retry, (unsigned int)0xF);
+
+ b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_SRLIMIT,
+ short_retry);
+ b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_LRLIMIT,
+ long_retry);
+}
+
/* Shutdown a wireless core */
/* Locking: wl->mutex */
static void b43_wireless_core_exit(struct b43_wldev *dev)
return;
b43_set_status(dev, B43_STAT_UNINIT);
- mutex_unlock(&dev->wl->mutex);
- b43_rfkill_exit(dev);
- mutex_lock(&dev->wl->mutex);
-
+ b43_leds_exit(dev);
b43_rng_exit(dev->wl);
- b43_pio_free(dev);
b43_dma_free(dev);
b43_chip_exit(dev);
b43_radio_turn_off(dev, 1);
hf |= B43_HF_SYMW;
if (phy->rev == 1)
hf |= B43_HF_GDCW;
- if (sprom->r1.boardflags_lo & B43_BFL_PACTRL)
+ if (sprom->boardflags_lo & B43_BFL_PACTRL)
hf |= B43_HF_OFDMPABOOST;
} else if (phy->type == B43_PHYTYPE_B) {
hf |= B43_HF_SYMW;
}
b43_hf_write(dev, hf);
- /* Short/Long Retry Limit.
- * The retry-limit is a 4-bit counter. Enforce this to avoid overflowing
- * the chip-internal counter.
- */
- tmp = limit_value(modparam_short_retry, 0, 0xF);
- b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_SRLIMIT, tmp);
- tmp = limit_value(modparam_long_retry, 0, 0xF);
- b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_LRLIMIT, tmp);
-
+ b43_set_retry_limits(dev, B43_DEFAULT_SHORT_RETRY_LIMIT,
+ B43_DEFAULT_LONG_RETRY_LIMIT);
b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_SFFBLIM, 3);
b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_LFFBLIM, 2);
/* Maximum Contention Window */
b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_MAXCONT, 0x3FF);
- do {
- if (b43_using_pio(dev)) {
- err = b43_pio_init(dev);
- } else {
- err = b43_dma_init(dev);
- if (!err)
- b43_qos_init(dev);
- }
- } while (err == -EAGAIN);
+ err = b43_dma_init(dev);
if (err)
goto err_chip_exit;
+ b43_qos_init(dev);
//FIXME
#if 1
memset(wl->mac_addr, 0, ETH_ALEN);
b43_upload_card_macaddress(dev);
b43_security_init(dev);
- b43_rfkill_init(dev);
b43_rng_init(wl);
b43_set_status(dev, B43_STAT_INITIALIZED);
- out:
+ b43_leds_init(dev);
+out:
return err;
err_chip_exit:
return err;
}
-static int b43_add_interface(struct ieee80211_hw *hw,
- struct ieee80211_if_init_conf *conf)
+static int b43_op_add_interface(struct ieee80211_hw *hw,
+ struct ieee80211_if_init_conf *conf)
{
struct b43_wl *wl = hw_to_b43_wl(hw);
struct b43_wldev *dev;
return err;
}
-static void b43_remove_interface(struct ieee80211_hw *hw,
- struct ieee80211_if_init_conf *conf)
+static void b43_op_remove_interface(struct ieee80211_hw *hw,
+ struct ieee80211_if_init_conf *conf)
{
struct b43_wl *wl = hw_to_b43_wl(hw);
struct b43_wldev *dev = wl->current_dev;
mutex_unlock(&wl->mutex);
}
-static int b43_start(struct ieee80211_hw *hw)
+static int b43_op_start(struct ieee80211_hw *hw)
{
struct b43_wl *wl = hw_to_b43_wl(hw);
struct b43_wldev *dev = wl->current_dev;
int did_init = 0;
int err = 0;
+ /* 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) {
return err;
}
-static void b43_stop(struct ieee80211_hw *hw)
+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);
+
mutex_lock(&wl->mutex);
if (b43_status(dev) >= B43_STAT_STARTED)
b43_wireless_core_stop(dev);
mutex_unlock(&wl->mutex);
}
+static int b43_op_set_retry_limit(struct ieee80211_hw *hw,
+ u32 short_retry_limit, u32 long_retry_limit)
+{
+ struct b43_wl *wl = hw_to_b43_wl(hw);
+ struct b43_wldev *dev;
+ int err = 0;
+
+ mutex_lock(&wl->mutex);
+ dev = wl->current_dev;
+ if (unlikely(!dev || (b43_status(dev) < B43_STAT_INITIALIZED))) {
+ err = -ENODEV;
+ goto out_unlock;
+ }
+ b43_set_retry_limits(dev, short_retry_limit, long_retry_limit);
+out_unlock:
+ mutex_unlock(&wl->mutex);
+
+ return err;
+}
+
static const struct ieee80211_ops b43_hw_ops = {
- .tx = b43_tx,
- .conf_tx = b43_conf_tx,
- .add_interface = b43_add_interface,
- .remove_interface = b43_remove_interface,
- .config = b43_dev_config,
- .config_interface = b43_config_interface,
- .configure_filter = b43_configure_filter,
- .set_key = b43_dev_set_key,
- .get_stats = b43_get_stats,
- .get_tx_stats = b43_get_tx_stats,
- .start = b43_start,
- .stop = b43_stop,
+ .tx = b43_op_tx,
+ .conf_tx = b43_op_conf_tx,
+ .add_interface = b43_op_add_interface,
+ .remove_interface = b43_op_remove_interface,
+ .config = b43_op_config,
+ .config_interface = b43_op_config_interface,
+ .configure_filter = b43_op_configure_filter,
+ .set_key = b43_op_set_key,
+ .get_stats = b43_op_get_stats,
+ .get_tx_stats = b43_op_get_tx_stats,
+ .start = b43_op_start,
+ .stop = b43_op_stop,
+ .set_retry_limit = b43_op_set_retry_limit,
};
/* Hard-reset the chip. Do not call this directly.
}
static int b43_setup_modes(struct b43_wldev *dev,
- int have_aphy, int have_bphy, int have_gphy)
+ bool have_2ghz_phy, bool have_5ghz_phy)
{
struct ieee80211_hw *hw = dev->wl->hw;
struct ieee80211_hw_mode *mode;
struct b43_phy *phy = &dev->phy;
- int cnt = 0;
int err;
-/*FIXME: Don't tell ieee80211 about an A-PHY, because we currently don't support A-PHY. */
- have_aphy = 0;
-
- phy->possible_phymodes = 0;
- for (; 1; cnt++) {
- if (have_aphy) {
- B43_WARN_ON(cnt >= B43_MAX_PHYHWMODES);
- mode = &phy->hwmodes[cnt];
-
- mode->mode = MODE_IEEE80211A;
- mode->num_channels = b43_a_chantable_size;
- mode->channels = b43_a_chantable;
- mode->num_rates = b43_a_ratetable_size;
- mode->rates = b43_a_ratetable;
- err = ieee80211_register_hwmode(hw, mode);
- if (err)
- return err;
-
- phy->possible_phymodes |= B43_PHYMODE_A;
- have_aphy = 0;
- continue;
- }
- if (have_bphy) {
- B43_WARN_ON(cnt >= B43_MAX_PHYHWMODES);
- mode = &phy->hwmodes[cnt];
-
- mode->mode = MODE_IEEE80211B;
- mode->num_channels = b43_bg_chantable_size;
- mode->channels = b43_bg_chantable;
- mode->num_rates = b43_b_ratetable_size;
- mode->rates = b43_b_ratetable;
- err = ieee80211_register_hwmode(hw, mode);
- if (err)
- return err;
-
- phy->possible_phymodes |= B43_PHYMODE_B;
- have_bphy = 0;
- continue;
- }
- if (have_gphy) {
- B43_WARN_ON(cnt >= B43_MAX_PHYHWMODES);
- mode = &phy->hwmodes[cnt];
-
- mode->mode = MODE_IEEE80211G;
- mode->num_channels = b43_bg_chantable_size;
- mode->channels = b43_bg_chantable;
- mode->num_rates = b43_g_ratetable_size;
- mode->rates = b43_g_ratetable;
- err = ieee80211_register_hwmode(hw, mode);
- if (err)
- return err;
-
- phy->possible_phymodes |= B43_PHYMODE_G;
- have_gphy = 0;
- continue;
- }
- break;
- }
+ /* XXX: This function will go away soon, when mac80211
+ * band stuff is rewritten. So this is just a hack.
+ * For now we always claim GPHY mode, as there is no
+ * support for NPHY and APHY in the device, yet.
+ * This assumption is OK, as any B, N or A PHY will already
+ * have died a horrible sanity check death earlier. */
+
+ mode = &phy->hwmodes[0];
+ mode->mode = MODE_IEEE80211G;
+ mode->num_channels = b43_2ghz_chantable_size;
+ mode->channels = b43_2ghz_chantable;
+ mode->num_rates = b43_g_ratetable_size;
+ mode->rates = b43_g_ratetable;
+ err = ieee80211_register_hwmode(hw, mode);
+ if (err)
+ return err;
+ phy->possible_phymodes |= B43_PHYMODE_G;
return 0;
}
struct ssb_bus *bus = dev->dev->bus;
struct pci_dev *pdev = bus->host_pci;
int err;
- int have_aphy = 0, have_bphy = 0, have_gphy = 0;
+ bool have_2ghz_phy = 0, have_5ghz_phy = 0;
u32 tmp;
/* Do NOT do any device initialization here.
u32 tmshigh;
tmshigh = ssb_read32(dev->dev, SSB_TMSHIGH);
- have_aphy = !!(tmshigh & B43_TMSHIGH_APHY);
- have_gphy = !!(tmshigh & B43_TMSHIGH_GPHY);
- if (!have_aphy && !have_gphy)
- have_bphy = 1;
- } else if (dev->dev->id.revision == 4) {
- have_gphy = 1;
- have_aphy = 1;
+ have_2ghz_phy = !!(tmshigh & B43_TMSHIGH_HAVE_2GHZ_PHY);
+ have_5ghz_phy = !!(tmshigh & B43_TMSHIGH_HAVE_5GHZ_PHY);
} else
- have_bphy = 1;
+ B43_WARN_ON(1);
- dev->phy.gmode = (have_gphy || have_bphy);
+ dev->phy.gmode = have_2ghz_phy;
tmp = dev->phy.gmode ? B43_TMSLOW_GMODE : 0;
b43_wireless_core_reset(dev, tmp);
(pdev->device != 0x4312 &&
pdev->device != 0x4319 && pdev->device != 0x4324)) {
/* No multiband support. */
- have_aphy = 0;
- have_bphy = 0;
- have_gphy = 0;
+ have_2ghz_phy = 0;
+ have_5ghz_phy = 0;
switch (dev->phy.type) {
case B43_PHYTYPE_A:
- have_aphy = 1;
- break;
- case B43_PHYTYPE_B:
- have_bphy = 1;
+ have_5ghz_phy = 1;
break;
case B43_PHYTYPE_G:
- have_gphy = 1;
+ case B43_PHYTYPE_N:
+ have_2ghz_phy = 1;
break;
default:
B43_WARN_ON(1);
}
}
- dev->phy.gmode = (have_gphy || have_bphy);
+ if (dev->phy.type == B43_PHYTYPE_A) {
+ /* FIXME */
+ b43err(wl, "IEEE 802.11a devices are unsupported\n");
+ err = -EOPNOTSUPP;
+ goto err_powerdown;
+ }
+ dev->phy.gmode = have_2ghz_phy;
tmp = dev->phy.gmode ? B43_TMSLOW_GMODE : 0;
b43_wireless_core_reset(dev, tmp);
err = b43_validate_chipaccess(dev);
if (err)
goto err_powerdown;
- err = b43_setup_modes(dev, have_aphy, have_bphy, have_gphy);
+ err = b43_setup_modes(dev, have_2ghz_phy, have_5ghz_phy);
if (err)
goto err_powerdown;
tasklet_init(&wldev->isr_tasklet,
(void (*)(unsigned long))b43_interrupt_tasklet,
(unsigned long)wldev);
- if (modparam_pio)
- wldev->__using_pio = 1;
INIT_LIST_HEAD(&wldev->list);
err = b43_wireless_core_attach(wldev);
/* boardflags workarounds */
if (bus->boardinfo.vendor == SSB_BOARDVENDOR_DELL &&
bus->chip_id == 0x4301 && bus->boardinfo.rev == 0x74)
- bus->sprom.r1.boardflags_lo |= B43_BFL_BTCOEXIST;
+ bus->sprom.boardflags_lo |= B43_BFL_BTCOEXIST;
if (bus->boardinfo.vendor == PCI_VENDOR_ID_APPLE &&
bus->boardinfo.type == 0x4E && bus->boardinfo.rev > 0x40)
- bus->sprom.r1.boardflags_lo |= B43_BFL_PACTRL;
-
- /* Handle case when gain is not set in sprom */
- if (bus->sprom.r1.antenna_gain_a == 0xFF)
- bus->sprom.r1.antenna_gain_a = 2;
- if (bus->sprom.r1.antenna_gain_bg == 0xFF)
- bus->sprom.r1.antenna_gain_bg = 2;
-
- /* Convert Antennagain values to Q5.2 */
- bus->sprom.r1.antenna_gain_a <<= 2;
- bus->sprom.r1.antenna_gain_bg <<= 2;
+ bus->sprom.boardflags_lo |= B43_BFL_PACTRL;
}
static void b43_wireless_exit(struct ssb_device *dev, struct b43_wl *wl)
}
/* fill hw info */
- hw->flags = IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE;
+ hw->flags = IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE |
+ IEEE80211_HW_RX_INCLUDES_FCS;
hw->max_signal = 100;
hw->max_rssi = -110;
hw->max_noise = -110;
hw->queues = 1; /* FIXME: hardware has more queues */
SET_IEEE80211_DEV(hw, dev->dev);
- if (is_valid_ether_addr(sprom->r1.et1mac))
- SET_IEEE80211_PERM_ADDR(hw, sprom->r1.et1mac);
+ if (is_valid_ether_addr(sprom->et1mac))
+ SET_IEEE80211_PERM_ADDR(hw, sprom->et1mac);
else
- SET_IEEE80211_PERM_ADDR(hw, sprom->r1.il0mac);
+ SET_IEEE80211_PERM_ADDR(hw, sprom->il0mac);
/* Get and initialize struct b43_wl */
wl = hw_to_b43_wl(hw);