#define BCM43xx_SHM_SH_ANTSWAP 0x005C /* Antenna swap threshold */
#define BCM43xx_SHM_SH_HOSTFLO 0x005E /* Hostflags for ucode options (low) */
#define BCM43xx_SHM_SH_HOSTFHI 0x0060 /* Hostflags for ucode options (high) */
+#define BCM43xx_SHM_SH_RFATT 0x0064 /* Current radio attenuation value */
#define BCM43xx_SHM_SH_RADAR 0x0066 /* Radar register */
#define BCM43xx_SHM_SH_PHYTXNOI 0x006E /* PHY noise directly after TX (lower 8bit only) */
#define BCM43xx_SHM_SH_RFRXSP1 0x0072 /* RF RX SP Register 1 */
/* MacFilter offsets. */
#define BCM43xx_MACFILTER_SELF 0x0000
-#define BCM43xx_MACFILTER_ASSOC 0x0003
+#define BCM43xx_MACFILTER_BSSID 0x0003
/* PowerControl */
#define BCM43xx_PCTL_IN 0xB0
/* Desired TX power level (in dBm).
* This is set by the user and adjusted in bcm43xx_phy_xmitpower(). */
u8 power_level;
- /* TX Power control values. */
- /* B/G PHY */
- struct {
- /* Current Radio Attenuation for TXpower recalculation. */
- u16 rfatt;
- /* Current Baseband Attenuation for TXpower recalculation. */
- u16 bbatt;
- /* Current TXpower control value for TXpower recalculation. */
- u16 txctl1;
- };
- /* A PHY */
- struct {
- u16 txpwr_offset;
- };
+ /* A-PHY TX Power control value. */
+ u16 txpwr_offset;
+
+ /* Current TX power level attenuation control values */
+ struct bcm43xx_bbatt bbatt;
+ struct bcm43xx_rfatt rfatt;
+ u8 tx_control; /* BCM43xx_TXCTL_XXX */
+#ifdef CONFIG_BCM43XX_MAC80211_DEBUG
+ u8 manual_txpower_control; /* Manual TX-power control enabled? */
+#endif
/* Current Interference Mitigation mode */
int interfmode;
* Do not modify.
*/
int if_id;
- /* MAC address. */
- u8 *mac_addr;
- /* Current BSSID (if any). */
- u8 *bssid;
+ /* MAC address (can be NULL). */
+ const u8 *mac_addr;
+ /* Current BSSID (can be NULL). */
+ const u8 *bssid;
/* Interface type. (IEEE80211_IF_TYPE_XXX) */
int if_type;
/* Counter of active monitor interfaces. */
__value; \
})
+/* Macros for printing a value in Q5.2 format */
+#define Q52_FMT "%u.%u"
+#define Q52_ARG(q52) ((q52) / 4), ((((q52) & 3) * 100) / 4)
+
#endif /* BCM43xx_H_ */
return res;
}
+static ssize_t txpower_g_read_file(struct file *file, char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ struct bcm43xx_wldev *dev = file->private_data;
+ const size_t len = ARRAY_SIZE(big_buffer);
+ char *buf = big_buffer;
+ size_t pos = 0;
+ ssize_t res;
+ unsigned long flags;
+
+ mutex_lock(&big_buffer_mutex);
+ mutex_lock(&dev->wl->mutex);
+ spin_lock_irqsave(&dev->wl->irq_lock, flags);
+ if ((bcm43xx_status(dev) != BCM43xx_STAT_INITIALIZED) ||
+ !dev->started) {
+ fappend("Not initialized\n");
+ goto out;
+ }
+ if (dev->phy.type != BCM43xx_PHYTYPE_G) {
+ fappend("Device is not a G-PHY\n");
+ goto out;
+ }
+ fappend("Control: %s\n", dev->phy.manual_txpower_control ?
+ "MANUAL" : "AUTOMATIC");
+ fappend("Baseband attenuation: %u\n", dev->phy.bbatt.att);
+ fappend("Radio attenuation: %u\n", dev->phy.rfatt.att);
+ fappend("TX Mixer Gain: %s\n", (dev->phy.tx_control & BCM43xx_TXCTL_TXMIX) ?
+ "ON" : "OFF");
+ fappend("PA Gain 2dB: %s\n", (dev->phy.tx_control & BCM43xx_TXCTL_PA2DB) ?
+ "ON" : "OFF");
+ fappend("PA Gain 3dB: %s\n", (dev->phy.tx_control & BCM43xx_TXCTL_PA3DB) ?
+ "ON" : "OFF");
+ fappend("\n\n");
+ fappend("You can write to this file:\n");
+ fappend("Writing \"auto\" enables automatic txpower control.\n");
+ fappend("Writing the attenuation values as \"bbatt rfatt txmix pa2db pa3db\" "
+ "enables manual txpower control.\n");
+ fappend("Example: 5 4 0 0 1\n");
+ fappend("Enables manual control with Baseband attenuation 5, "
+ "Radio attenuation 4, No TX Mixer Gain, "
+ "No PA Gain 2dB, With PA Gain 3dB.\n");
+
+out:
+ spin_unlock_irqrestore(&dev->wl->irq_lock, flags);
+ mutex_unlock(&dev->wl->mutex);
+ res = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
+ mutex_unlock(&big_buffer_mutex);
+
+ return res;
+}
+
+static ssize_t txpower_g_write_file(struct file *file, const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct bcm43xx_wldev *dev = file->private_data;
+ char *buf = big_buffer;
+ ssize_t buf_size;
+ ssize_t res;
+ unsigned long flags, phy_flags;
+
+ mutex_lock(&big_buffer_mutex);
+ buf_size = min(count, ARRAY_SIZE(big_buffer) - 1);
+ if (copy_from_user(buf, user_buf, buf_size)) {
+ res = -EFAULT;
+ goto out_unlock_bb;
+ }
+ mutex_lock(&dev->wl->mutex);
+ spin_lock_irqsave(&dev->wl->irq_lock, flags);
+ if ((bcm43xx_status(dev) != BCM43xx_STAT_INITIALIZED) ||
+ !dev->started) {
+ printk(KERN_INFO PFX "debugfs: Board not initialized.\n");
+ res = -ENODEV;
+ goto out_unlock;
+ }
+ if (dev->phy.type != BCM43xx_PHYTYPE_G) {
+ printk(KERN_ERR PFX "debugfs: Device is not a G-PHY\n");
+ res = -ENODEV;
+ goto out_unlock;
+ }
+ if ((buf_size >= 4) && (memcmp(buf, "auto", 4) == 0)) {
+ /* Automatic control */
+ dev->phy.manual_txpower_control = 0;
+ bcm43xx_phy_xmitpower(dev);
+ } else {
+ int bbatt = 0, rfatt = 0, txmix = 0, pa2db = 0, pa3db = 0;
+ /* Manual control */
+ if (sscanf(buf, "%d %d %d %d %d", &bbatt, &rfatt,
+ &txmix, &pa2db, &pa3db) != 5) {
+ printk(KERN_INFO PFX "debugfs: invalid value for \"tx_power_g\"\n");
+ res = -EINVAL;
+ goto out_unlock;
+ }
+ bcm43xx_put_attenuation_into_ranges(dev, &bbatt, &rfatt);
+ dev->phy.manual_txpower_control = 1;
+ dev->phy.bbatt.att = bbatt;
+ dev->phy.rfatt.att = rfatt;
+ dev->phy.tx_control = 0;
+ if (txmix)
+ dev->phy.tx_control |= BCM43xx_TXCTL_TXMIX;
+ if (pa2db)
+ dev->phy.tx_control |= BCM43xx_TXCTL_PA2DB;
+ if (pa3db)
+ dev->phy.tx_control |= BCM43xx_TXCTL_PA3DB;
+ bcm43xx_phy_lock(dev, phy_flags);
+ bcm43xx_radio_lock(dev);
+ bcm43xx_set_txpower_g(dev, &dev->phy.bbatt,
+ &dev->phy.rfatt, dev->phy.tx_control);
+ bcm43xx_radio_unlock(dev);
+ bcm43xx_phy_unlock(dev, phy_flags);
+ }
+ res = buf_size;
+out_unlock:
+ spin_unlock_irqrestore(&dev->wl->irq_lock, flags);
+ mutex_unlock(&dev->wl->mutex);
+out_unlock_bb:
+ mutex_unlock(&big_buffer_mutex);
+
+ return res;
+}
+
+
#undef fappend
.open = open_file_generic,
};
+static struct file_operations txpower_g_fops = {
+ .read = txpower_g_read_file,
+ .write = txpower_g_write_file,
+ .open = open_file_generic,
+};
+
static struct file_operations restart_fops = {
.write = restart_write_file,
.open = open_file_generic,
};
+int bcm43xx_debug(struct bcm43xx_wldev *dev, enum bcm43xx_dyndbg feature)
+{
+ return !!(dev->dfsentry->dyn_debug[feature]);
+}
+
+static void bcm43xx_remove_dynamic_debug(struct bcm43xx_wldev *dev)
+{
+ struct bcm43xx_dfsentry *e = dev->dfsentry;
+ int i;
+
+ for (i = 0; i < __BCM43xx_NR_DYNDBG; i++)
+ debugfs_remove(e->dyn_debug_dentries[i]);
+}
+
+static void bcm43xx_add_dynamic_debug(struct bcm43xx_wldev *dev)
+{
+ struct bcm43xx_dfsentry *e = dev->dfsentry;
+ struct dentry *d;
+
+#define add_dyn_dbg(name, id, initstate) do { \
+ e->dyn_debug[id] = (initstate); \
+ d = debugfs_create_bool(name, 0600, e->subdir, \
+ &(e->dyn_debug[id])); \
+ if (!IS_ERR(d)) \
+ e->dyn_debug_dentries[id] = d; \
+ } while (0)
+
+ add_dyn_dbg("debug_xmitpower", BCM43xx_DBG_XMITPOWER, 0);
+ add_dyn_dbg("debug_dmaoverflow", BCM43xx_DBG_DMAOVERFLOW, 0);
+ add_dyn_dbg("debug_pwork_fast", BCM43xx_DBG_PWORK_FAST, 0);
+ add_dyn_dbg("debug_pwork_stop", BCM43xx_DBG_PWORK_STOP, 0);
+
+#undef add_dyn_dbg
+}
+
void bcm43xx_debugfs_add_device(struct bcm43xx_wldev *dev)
{
struct bcm43xx_dfsentry *e;
assert(dev);
e = kzalloc(sizeof(*e), GFP_KERNEL);
if (!e) {
- printk(KERN_ERR PFX "out of memory\n");
+ printk(KERN_ERR PFX "debugfs: add device OOM\n");
return;
}
e->dev = dev;
sizeof(struct bcm43xx_txstatus),
GFP_KERNEL);
if (!log->log) {
- printk(KERN_ERR PFX "debugfs txstatus log OOM\n");
+ printk(KERN_ERR PFX "debugfs: add device txstatus OOM\n");
kfree(e);
return;
}
snprintf(devdir, sizeof(devdir), "%s", wiphy_name(dev->wl->hw->wiphy));
e->subdir = debugfs_create_dir(devdir, fs.root);
- e->dentry_tsf = debugfs_create_file("tsf", 0666, e->subdir,
+ if (!e->subdir || IS_ERR(e->subdir)) {
+ e->subdir = NULL;
+ kfree(log->log);
+ kfree(e);
+ return;
+ }
+
+ e->dentry_tsf = debugfs_create_file("tsf", 0600, e->subdir,
dev, &tsf_fops);
- if (!e->dentry_tsf)
- printk(KERN_ERR PFX "debugfs: creating \"tsf\" for \"%s\" failed!\n", devdir);
- e->dentry_txstat = debugfs_create_file("tx_status", 0444, e->subdir,
+ if (IS_ERR(e->dentry_tsf))
+ e->dentry_tsf = NULL;
+ e->dentry_txstat = debugfs_create_file("tx_status", 0400, e->subdir,
dev, &txstat_fops);
- if (!e->dentry_txstat)
- printk(KERN_ERR PFX "debugfs: creating \"tx_status\" for \"%s\" failed!\n", devdir);
- e->dentry_restart = debugfs_create_file("restart", 0222, e->subdir,
+ if (IS_ERR(e->dentry_txstat))
+ e->dentry_txstat = NULL;
+ e->dentry_txpower_g = debugfs_create_file("tx_power_g", 0600, e->subdir,
+ dev, &txpower_g_fops);
+ if (IS_ERR(e->dentry_txpower_g))
+ e->dentry_txpower_g = NULL;
+ e->dentry_restart = debugfs_create_file("restart", 0200, e->subdir,
dev, &restart_fops);
- if (!e->dentry_restart)
- printk(KERN_ERR PFX "debugfs: creating \"restart\" for \"%s\" failed!\n", devdir);
+ if (IS_ERR(e->dentry_restart))
+ e->dentry_restart = NULL;
+
+ bcm43xx_add_dynamic_debug(dev);
}
void bcm43xx_debugfs_remove_device(struct bcm43xx_wldev *dev)
if (!dev)
return;
-
e = dev->dfsentry;
- assert(e);
+ if (!e)
+ return;
+ bcm43xx_remove_dynamic_debug(dev);
debugfs_remove(e->dentry_tsf);
debugfs_remove(e->dentry_txstat);
debugfs_remove(e->dentry_restart);
+ debugfs_remove(e->dentry_txpower_g);
debugfs_remove(e->subdir);
kfree(e->txstatlog.log);
kfree(e);
{
memset(&fs, 0, sizeof(fs));
fs.root = debugfs_create_dir(KBUILD_MODNAME, NULL);
- if (!fs.root)
- printk(KERN_ERR PFX "debugfs: creating \"" KBUILD_MODNAME "\" subdir failed!\n");
- fs.dentry_driverinfo = debugfs_create_file("driver", 0444, fs.root, NULL, &drvinfo_fops);
- if (!fs.dentry_driverinfo)
- printk(KERN_ERR PFX "debugfs: creating \"" KBUILD_MODNAME "/driver\" failed!\n");
+ if (!fs.root || IS_ERR(fs.root)) {
+ fs.root = NULL;
+ return;
+ }
+ fs.dentry_driverinfo = debugfs_create_file("driver", 0444, fs.root,
+ NULL, &drvinfo_fops);
+ if (IS_ERR(fs.dentry_driverinfo))
+ fs.dentry_driverinfo = NULL;
}
void bcm43xx_debugfs_exit(void)
struct bcm43xx_wldev;
struct bcm43xx_txstatus;
+enum bcm43xx_dyndbg { /* Dynamic debugging features */
+ BCM43xx_DBG_XMITPOWER,
+ BCM43xx_DBG_DMAOVERFLOW,
+ BCM43xx_DBG_PWORK_FAST,
+ BCM43xx_DBG_PWORK_STOP,
+ __BCM43xx_NR_DYNDBG,
+};
+
+
#ifdef CONFIG_BCM43XX_MAC80211_DEBUG
struct dentry;
struct dentry *subdir;
struct dentry *dentry_tsf;
struct dentry *dentry_txstat;
+ struct dentry *dentry_txpower_g;
struct dentry *dentry_restart;
struct bcm43xx_wldev *dev;
struct bcm43xx_txstatus_log txstatlog;
+
+ /* Enabled/Disabled list for the dynamic debugging features. */
+ u32 dyn_debug[__BCM43xx_NR_DYNDBG];
+ /* Dentries for the dynamic debugging entries. */
+ struct dentry *dyn_debug_dentries[__BCM43xx_NR_DYNDBG];
};
struct bcm43xx_debugfs {
struct dentry *dentry_driverinfo;
};
+int bcm43xx_debug(struct bcm43xx_wldev *dev, enum bcm43xx_dyndbg feature);
+
void bcm43xx_debugfs_init(void);
void bcm43xx_debugfs_exit(void);
void bcm43xx_debugfs_add_device(struct bcm43xx_wldev *dev);
#else /* CONFIG_BCM43XX_MAC80211_DEBUG*/
+static inline
+int bcm43xx_debug(struct bcm43xx_wldev *dev, enum bcm43xx_dyndbg feature)
+{
+ return 0;
+}
+
static inline
void bcm43xx_debugfs_init(void) { }
static inline
ring->used_slots--;
}
+/* Mac80211-queue to bcm43xx-ring mapping */
+static struct bcm43xx_dmaring * priority_to_txring(struct bcm43xx_wldev *dev,
+ int queue_priority)
+{
+ struct bcm43xx_dmaring *ring;
+
+/*FIXME: For now we always run on TX-ring-1 */
+return dev->dma.tx_ring1;
+
+ /* 0 = highest priority */
+ switch (queue_priority) {
+ default:
+ assert(0);
+ /* fallthrough */
+ case 0:
+ ring = dev->dma.tx_ring3;
+ break;
+ case 1:
+ ring = dev->dma.tx_ring2;
+ break;
+ case 2:
+ ring = dev->dma.tx_ring1;
+ break;
+ case 3:
+ ring = dev->dma.tx_ring0;
+ break;
+ case 4:
+ ring = dev->dma.tx_ring4;
+ break;
+ case 5:
+ ring = dev->dma.tx_ring5;
+ break;
+ }
+
+ return ring;
+}
+
+/* Bcm43xx-ring to mac80211-queue mapping */
+static inline int txring_to_priority(struct bcm43xx_dmaring *ring)
+{
+ static const u8 idx_to_prio[] =
+ { 3, 2, 1, 0, 4, 5, };
+
+/*FIXME: have only one queue, for now */
+return 0;
+
+ return idx_to_prio[ring->index];
+}
+
+
u16 bcm43xx_dmacontroller_base(int dma64bit, int controller_idx)
{
static const u16 map64[] = {
u32 value;
u16 offset;
+ might_sleep();
+
offset = dma64 ? BCM43xx_DMA64_RXCTL : BCM43xx_DMA32_RXCTL;
bcm43xx_write32(dev, mmio_base + offset, 0);
- for (i = 0; i < 1000; i++) {
+ for (i = 0; i < 10; i++) {
offset = dma64 ? BCM43xx_DMA64_RXSTATUS : BCM43xx_DMA32_RXSTATUS;
value = bcm43xx_read32(dev, mmio_base + offset);
if (dma64) {
break;
}
}
- udelay(10);
+ msleep(1);
}
if (i != -1) {
- printk(KERN_ERR PFX "Error: Wait on DMA RX status timed out.\n");
+ printk(KERN_ERR PFX "ERROR: DMA RX reset timed out\n");
return -ENODEV;
}
u32 value;
u16 offset;
- for (i = 0; i < 1000; i++) {
+ might_sleep();
+
+ for (i = 0; i < 10; i++) {
offset = dma64 ? BCM43xx_DMA64_TXSTATUS : BCM43xx_DMA32_TXSTATUS;
value = bcm43xx_read32(dev, mmio_base + offset);
if (dma64) {
value == BCM43xx_DMA32_TXSTAT_STOPPED)
break;
}
- udelay(10);
+ msleep(1);
}
offset = dma64 ? BCM43xx_DMA64_TXCTL : BCM43xx_DMA32_TXCTL;
bcm43xx_write32(dev, mmio_base + offset, 0);
- for (i = 0; i < 1000; i++) {
+ for (i = 0; i < 10; i++) {
offset = dma64 ? BCM43xx_DMA64_TXSTATUS : BCM43xx_DMA32_TXSTATUS;
value = bcm43xx_read32(dev, mmio_base + offset);
if (dma64) {
break;
}
}
- udelay(10);
+ msleep(1);
}
if (i != -1) {
- printk(KERN_ERR PFX "Error: Wait on DMA TX status timed out.\n");
+ printk(KERN_ERR PFX "ERROR: DMA TX reset timed out\n");
return -ENODEV;
}
/* ensure the reset is completed. */
- udelay(300);
+ msleep(1);
return 0;
}
} else
assert(0);
}
+ spin_lock_init(&ring->lock);
+#ifdef CONFIG_BCM43XX_MAC80211_DEBUG
+ ring->last_injected_overflow = jiffies;
+#endif
err = alloc_ringmemory(ring);
if (err)
return err;
}
+static inline
+int should_inject_overflow(struct bcm43xx_dmaring *ring)
+{
+#ifdef CONFIG_BCM43XX_MAC80211_DEBUG
+ if (unlikely(bcm43xx_debug(ring->dev, BCM43xx_DBG_DMAOVERFLOW))) {
+ /* Check if we should inject another ringbuffer overflow
+ * to test handling of this situation in the stack. */
+ unsigned long next_overflow;
+
+ next_overflow = ring->last_injected_overflow + HZ;
+ if (time_after(jiffies, next_overflow)) {
+ ring->last_injected_overflow = jiffies;
+ dprintk(KERN_DEBUG PFX "Injecting TX ring overflow on "
+ "DMA controller %d\n", ring->index);
+ return 1;
+ }
+ }
+#endif /* CONFIG_BCM43XX_MAC80211_DEBUG */
+ return 0;
+}
+
int bcm43xx_dma_tx(struct bcm43xx_wldev *dev,
struct sk_buff *skb,
struct ieee80211_tx_control *ctl)
{
- struct bcm43xx_dmaring *ring = dev->dma.tx_ring1;
+ struct bcm43xx_dmaring *ring;
int err = 0;
+ unsigned long flags;
+ ring = priority_to_txring(dev, ctl->queue);
+ spin_lock_irqsave(&ring->lock, flags);
assert(ring->tx);
if (unlikely(free_slots(ring) < SLOTS_PER_PACKET)) {
- /* This should never trigger, as we call
- * ieee80211_stop_queue() when it's full.
- */
printkl(KERN_ERR PFX "DMA queue overflow\n");
- return NETDEV_TX_BUSY;
+ err = -ENOSPC;
+ goto out_unlock;
}
+ /* Check if the queue was stopped in mac80211,
+ * but we got called nevertheless.
+ * That would be a mac80211 bug. */
+ assert(!ring->stopped);
err = dma_tx_fragment(ring, skb, ctl);
if (unlikely(err)) {
printkl(KERN_ERR PFX "DMA tx mapping failure\n");
- return NETDEV_TX_BUSY;
+ goto out_unlock;
}
-
ring->nr_tx_packets++;
- if (free_slots(ring) < SLOTS_PER_PACKET) {
- /* FIXME: we currently only have one queue */
- ieee80211_stop_queue(dev->wl->hw, 0);
+ if ((free_slots(ring) < SLOTS_PER_PACKET) ||
+ should_inject_overflow(ring)) {
+ /* This TX ring is full. */
+ ieee80211_stop_queue(dev->wl->hw, txring_to_priority(ring));
ring->stopped = 1;
}
+out_unlock:
+ spin_unlock_irqrestore(&ring->lock, flags);
- return 0;
+ return err;
}
void bcm43xx_dma_handle_txstatus(struct bcm43xx_wldev *dev,
ring = parse_cookie(dev, status->cookie, &slot);
if (unlikely(!ring))
return;
+ assert(irqs_disabled());
+ spin_lock(&ring->lock);
+
assert(ring->tx);
ops = ring->ops;
while (1) {
dev->stats.last_tx = jiffies;
if (ring->stopped) {
assert(free_slots(ring) >= SLOTS_PER_PACKET);
- /* FIXME: we currently only have one queue */
- ieee80211_wake_queue(dev->wl->hw, 0);
+ ieee80211_wake_queue(dev->wl->hw, txring_to_priority(ring));
ring->stopped = 0;
}
+
+ spin_unlock(&ring->lock);
}
void bcm43xx_dma_get_tx_stats(struct bcm43xx_wldev *dev,
struct ieee80211_tx_queue_stats *stats)
{
- struct bcm43xx_dma *dma = &dev->dma;
+ const int nr_queues = dev->wl->hw->queues;
struct bcm43xx_dmaring *ring;
struct ieee80211_tx_queue_stats_data *data;
+ unsigned long flags;
+ int i;
+
+ for (i = 0; i < nr_queues; i++) {
+ data = &(stats->data[i]);
+ ring = priority_to_txring(dev, i);
- ring = dma->tx_ring1;
- data = &(stats->data[0]);
- data->len = ring->used_slots / SLOTS_PER_PACKET;
- data->limit = ring->nr_slots / SLOTS_PER_PACKET;
- data->count = ring->nr_tx_packets;
+ spin_lock_irqsave(&ring->lock, flags);
+ data->len = ring->used_slots / SLOTS_PER_PACKET;
+ data->limit = ring->nr_slots / SLOTS_PER_PACKET;
+ data->count = ring->nr_tx_packets;
+ spin_unlock_irqrestore(&ring->lock, flags);
+ }
}
static void dma_rx(struct bcm43xx_dmaring *ring,
ring->current_slot = slot;
}
-void bcm43xx_dma_tx_suspend(struct bcm43xx_dmaring *ring)
+static void bcm43xx_dma_tx_suspend_ring(struct bcm43xx_dmaring *ring)
{
+ unsigned long flags;
+
+ spin_lock_irqsave(&ring->lock, flags);
assert(ring->tx);
- bcm43xx_power_saving_ctl_bits(ring->dev, -1, 1);
ring->ops->tx_suspend(ring);
+ spin_unlock_irqrestore(&ring->lock, flags);
}
-void bcm43xx_dma_tx_resume(struct bcm43xx_dmaring *ring)
+static void bcm43xx_dma_tx_resume_ring(struct bcm43xx_dmaring *ring)
{
+ unsigned long flags;
+
+ spin_lock_irqsave(&ring->lock, flags);
assert(ring->tx);
ring->ops->tx_resume(ring);
- bcm43xx_power_saving_ctl_bits(ring->dev, -1, -1);
+ spin_unlock_irqrestore(&ring->lock, flags);
+}
+
+void bcm43xx_dma_tx_suspend(struct bcm43xx_wldev *dev)
+{
+ bcm43xx_power_saving_ctl_bits(dev, -1, 1);
+ bcm43xx_dma_tx_suspend_ring(dev->dma.tx_ring0);
+ bcm43xx_dma_tx_suspend_ring(dev->dma.tx_ring1);
+ bcm43xx_dma_tx_suspend_ring(dev->dma.tx_ring2);
+ bcm43xx_dma_tx_suspend_ring(dev->dma.tx_ring3);
+ bcm43xx_dma_tx_suspend_ring(dev->dma.tx_ring4);
+ bcm43xx_dma_tx_suspend_ring(dev->dma.tx_ring5);
+}
+
+void bcm43xx_dma_tx_resume(struct bcm43xx_wldev *dev)
+{
+ bcm43xx_dma_tx_resume_ring(dev->dma.tx_ring5);
+ bcm43xx_dma_tx_resume_ring(dev->dma.tx_ring4);
+ bcm43xx_dma_tx_resume_ring(dev->dma.tx_ring3);
+ bcm43xx_dma_tx_resume_ring(dev->dma.tx_ring2);
+ bcm43xx_dma_tx_resume_ring(dev->dma.tx_ring1);
+ bcm43xx_dma_tx_resume_ring(dev->dma.tx_ring0);
+ bcm43xx_power_saving_ctl_bits(dev, -1, -1);
}
u8 dma64;
/* Boolean. Is this ring stopped at ieee80211 level? */
u8 stopped;
+ /* Lock, only used for TX. */
+ spinlock_t lock;
struct bcm43xx_wldev *dev;
#ifdef CONFIG_BCM43XX_MAC80211_DEBUG
/* Maximum number of used slots. */
int max_used_slots;
+ /* Last time we injected a ring overflow. */
+ unsigned long last_injected_overflow;
#endif /* CONFIG_BCM43XX_MAC80211_DEBUG*/
};
u16 bcm43xx_dmacontroller_base(int dma64bit, int dmacontroller_idx);
-void bcm43xx_dma_tx_suspend(struct bcm43xx_dmaring *ring);
-void bcm43xx_dma_tx_resume(struct bcm43xx_dmaring *ring);
+void bcm43xx_dma_tx_suspend(struct bcm43xx_wldev *dev);
+void bcm43xx_dma_tx_resume(struct bcm43xx_wldev *dev);
void bcm43xx_dma_get_tx_stats(struct bcm43xx_wldev *dev,
struct ieee80211_tx_queue_stats *stats);
{
}
static inline
-void bcm43xx_dma_tx_suspend(struct bcm43xx_dmaring *ring)
+void bcm43xx_dma_tx_suspend(struct bcm43xx_wldev *dev)
{
}
static inline
-void bcm43xx_dma_tx_resume(struct bcm43xx_dmaring *ring)
+void bcm43xx_dma_tx_resume(struct bcm43xx_wldev *dev)
{
}
case 0:
led->behaviour = BCM43xx_LED_ACTIVITY;
led->activelow = 1;
- if (bus->board_vendor == PCI_VENDOR_ID_COMPAQ)
+ if (bus->boardinfo.vendor == PCI_VENDOR_ID_COMPAQ)
led->behaviour = BCM43xx_LED_RADIO_ALL;
break;
case 1:
led->behaviour = BCM43xx_LED_RADIO_B;
- if (bus->board_vendor == PCI_VENDOR_ID_ASUSTEK)
+ if (bus->boardinfo.vendor == PCI_VENDOR_ID_ASUSTEK)
led->behaviour = BCM43xx_LED_ASSOC;
break;
case 2:
#include "bcm43xx_main.h"
#include <linux/delay.h>
+#include <linux/sched.h>
/* Write the LocalOscillator Control (adjust) value-pair. */
}
static inline
-void assert_rfatt_and_bbatt(const struct bcm43xx_rfatt *rfatt,
- const struct bcm43xx_bbatt *bbatt)
+int assert_rfatt_and_bbatt(const struct bcm43xx_rfatt *rfatt,
+ const struct bcm43xx_bbatt *bbatt)
{
- if (BCM43xx_DEBUG) {
- int err = 0;
+ int err = 0;
- if (unlikely(rfatt->att >= 16)) {
- dprintk(KERN_ERR PFX "ERROR: invalid rf_att: %u\n",
- rfatt->att);
- err = 1;
- }
- if (unlikely(bbatt->att >= 9)) {
- dprintk(KERN_ERR PFX "ERROR: invalid bband_att: %u\n",
- bbatt->att);
- err = 1;
- }
- if (unlikely(err))
- dump_stack();
+ /* Check the attenuation values against the LO control array sizes. */
+#if BCM43xx_DEBUG
+ if (rfatt->att >= BCM43xx_NR_RF) {
+ dprintk(KERN_ERR PFX
+ "ERROR: rfatt(%u) >= size of LO array\n",
+ rfatt->att);
+ err = -EINVAL;
}
+ if (bbatt->att >= BCM43xx_NR_BB) {
+ dprintk(KERN_ERR PFX
+ "ERROR: bbatt(%u) >= size of LO array\n",
+ bbatt->att);
+ err = -EINVAL;
+ }
+ if (err)
+ dump_stack();
+#endif /* BCM43xx_DEBUG */
+
+ return err;
}
static
struct bcm43xx_phy *phy = &dev->phy;
struct bcm43xx_txpower_lo_control *lo = phy->lo_control;
- assert_rfatt_and_bbatt(rfatt, bbatt);
+ if (assert_rfatt_and_bbatt(rfatt, bbatt))
+ return &(lo->no_padmix[0][0]); /* Just prevent a crash */
return &(lo->no_padmix[bbatt->att][rfatt->att]);
}
{
struct bcm43xx_phy *phy = &dev->phy;
struct bcm43xx_txpower_lo_control *lo = phy->lo_control;
- struct bcm43xx_loctl *ret;
- assert_rfatt_and_bbatt(rfatt, bbatt);
+ if (assert_rfatt_and_bbatt(rfatt, bbatt))
+ return &(lo->no_padmix[0][0]); /* Just prevent a crash */
if (rfatt->with_padmix)
- ret = &(lo->with_padmix[bbatt->att][rfatt->att]);
- else
- ret = &(lo->no_padmix[bbatt->att][rfatt->att]);
-
- return ret;
+ return &(lo->with_padmix[bbatt->att][rfatt->att]);
+ return &(lo->no_padmix[bbatt->att][rfatt->att]);
}
/* Call a function for every possible LO control value-pair. */
-static int bcm43xx_call_for_each_loctl(struct bcm43xx_wldev *dev,
- int (*func)(struct bcm43xx_wldev *,
- struct bcm43xx_loctl *))
+static void bcm43xx_call_for_each_loctl(struct bcm43xx_wldev *dev,
+ void (*func)(struct bcm43xx_wldev *,
+ struct bcm43xx_loctl *))
{
struct bcm43xx_phy *phy = &dev->phy;
struct bcm43xx_txpower_lo_control *ctl = phy->lo_control;
int i, j;
- int err;
for (i = 0; i < BCM43xx_NR_BB; i++) {
- for (j = 0; j < BCM43xx_NR_RF; j++) {
- err = func(dev, &(ctl->with_padmix[i][j]));
- if (unlikely(err))
- return err;
- }
+ for (j = 0; j < BCM43xx_NR_RF; j++)
+ func(dev, &(ctl->with_padmix[i][j]));
}
for (i = 0; i < BCM43xx_NR_BB; i++) {
- for (j = 0; j < BCM43xx_NR_RF; j++) {
- err = func(dev, &(ctl->no_padmix[i][j]));
- if (unlikely(err))
- return err;
- }
+ for (j = 0; j < BCM43xx_NR_RF; j++)
+ func(dev, &(ctl->no_padmix[i][j]));
}
-
- return 0;
}
static u16 lo_b_r15_loop(struct bcm43xx_wldev *dev)
{
struct bcm43xx_phy *phy = &dev->phy;
u16 rfover;
+ u16 feedthrough;
if (phy->gmode) {
lna <<= BCM43xx_PHY_RFOVERVAL_LNA_SHIFT;
bcm43xx_phy_write(dev, BCM43xx_PHY_PGACTL, pga);
}
udelay(21);
+ feedthrough = bcm43xx_phy_read(dev, BCM43xx_PHY_LO_LEAKAGE);
- return bcm43xx_phy_read(dev, BCM43xx_PHY_LO_LEAKAGE);
+ /* This is a good place to check if we need to relax a bit,
+ * as this is the main function called regularly
+ * in the LO calibration. */
+ cond_resched();
+
+ return feedthrough;
}
/* TXCTL Register and Value Table.
& 0xFF00) | lo->tx_bias | lo->tx_magn);
}
} else {
- lo->tx_magn = 0; /* FIXME */
+ lo->tx_magn = 0;
lo->tx_bias = 0;
bcm43xx_radio_write16(dev, 0x52,
bcm43xx_radio_read16(dev, 0x52)
}
#if BCM43xx_DEBUG
-static int do_validate_loctl(struct bcm43xx_wldev *dev,
- struct bcm43xx_loctl *control)
+static void do_validate_loctl(struct bcm43xx_wldev *dev,
+ struct bcm43xx_loctl *control)
{
const int is_initializing = (bcm43xx_status(dev) == BCM43xx_STAT_INITIALIZING);
"(first: %d, second: %d, used %u)\n",
control->i, control->q, control->used);
}
- return 0;
}
static void validate_all_loctls(struct bcm43xx_wldev *dev)
{
bcm43xx_lo_write(dev, bcm43xx_lo_g_ctl_current(dev));
}
-static inline void fixup_rfatt_for_txctl1(struct bcm43xx_rfatt *rf,
- u16 txctl1)
+static inline void fixup_rfatt_for_txcontrol(struct bcm43xx_rfatt *rf,
+ u8 tx_control)
{
- if ((rf->att < 5) && (txctl1 & 0x0001))
- rf->att = 4;
+ if (tx_control & BCM43xx_TXCTL_TXMIX) {
+ if (rf->att < 5)
+ rf->att = 4;
+ }
}
void bcm43xx_lo_g_adjust_to(struct bcm43xx_wldev *dev,
- u16 rfatt, u16 bbatt, u16 txctl1)
+ u16 rfatt, u16 bbatt, u16 tx_control)
{
struct bcm43xx_rfatt rf;
struct bcm43xx_bbatt bb;
memset(&bb, 0, sizeof(bb));
rf.att = rfatt;
bb.att = bbatt;
- fixup_rfatt_for_txctl1(&rf, txctl1);
+ fixup_rfatt_for_txcontrol(&rf, tx_control);
loctl = bcm43xx_get_lo_g_ctl(dev, &rf, &bb);
bcm43xx_lo_write(dev, loctl);
}
struct bcm43xx_loctl * bcm43xx_lo_g_ctl_current(struct bcm43xx_wldev *dev)
{
struct bcm43xx_phy *phy = &dev->phy;
- struct bcm43xx_txpower_lo_control *lo = phy->lo_control;
struct bcm43xx_rfatt rf;
- memcpy(&rf, &lo->rfatt, sizeof(rf));
- fixup_rfatt_for_txctl1(&rf, phy->txctl1);
+ memcpy(&rf, &phy->rfatt, sizeof(rf));
+ fixup_rfatt_for_txcontrol(&rf, phy->tx_control);
- return bcm43xx_get_lo_g_ctl(dev, &rf, &lo->bbatt);
+ return bcm43xx_get_lo_g_ctl(dev, &rf, &phy->bbatt);
}
-static int do_mark_unused(struct bcm43xx_wldev *dev,
- struct bcm43xx_loctl *control)
+static void do_mark_unused(struct bcm43xx_wldev *dev,
+ struct bcm43xx_loctl *control)
{
control->used = 0;
- return 0;
}
void bcm43xx_lo_g_ctl_mark_all_unused(struct bcm43xx_wldev *dev)
struct bcm43xx_rfatt_list rfatt_list;
struct bcm43xx_bbatt_list bbatt_list;
- /* Current RF and BB attenuation and LO control values. */
- struct bcm43xx_rfatt rfatt;
- struct bcm43xx_bbatt bbatt;
-
/* Current TX Bias value */
u8 tx_bias;
/* Current TX Magnification Value (if used by the device) */
void bcm43xx_lo_g_adjust(struct bcm43xx_wldev *dev);
/* Adjust to specific values. */
void bcm43xx_lo_g_adjust_to(struct bcm43xx_wldev *dev,
- u16 rfatt, u16 bbatt, u16 txctl1);
+ u16 rfatt, u16 bbatt, u16 tx_control);
/* Returns the bcm43xx_lo_g_ctl corresponding to the current
* attenuation values.
bcm43xx_time_unlock(dev);
}
-static void bcm43xx_measure_channel_change_time(struct bcm43xx_wldev *dev)
-{
- u64 start, stop;
- unsigned long flags;
- u8 oldchan, testchan;
-
- /* We (ab)use the bcm43xx TSF timer to measure the time needed
- * to switch channels. This information is handed over to
- * the ieee80211 subsystem.
- * Time is measured in microseconds.
- */
-
- spin_lock_irqsave(&dev->wl->irq_lock, flags);
- oldchan = dev->phy.channel;
- testchan = (oldchan == 6) ? 7 : 6;
- bcm43xx_tsf_read(dev, &start);
- bcm43xx_radio_selectchannel(dev, testchan, 0);
- bcm43xx_tsf_read(dev, &stop);
- bcm43xx_radio_selectchannel(dev, oldchan, 0);
- spin_unlock_irqrestore(&dev->wl->irq_lock, flags);
-
- assert(stop > start);
- dev->wl->hw->channel_change_time = stop - start;
-}
-
static
void bcm43xx_macfilter_set(struct bcm43xx_wldev *dev,
u16 offset,
const u8 *mac)
{
+ static const u8 zero_addr[ETH_ALEN] = { 0 };
u16 data;
+ if (!mac)
+ mac = zero_addr;
+
offset |= 0x0020;
bcm43xx_write16(dev, BCM43xx_MMIO_MACFILTER_CONTROL, offset);
bcm43xx_write16(dev, BCM43xx_MMIO_MACFILTER_DATA, data);
}
-static void bcm43xx_macfilter_clear(struct bcm43xx_wldev *dev,
- u16 offset)
-{
- static const u8 zero_addr[ETH_ALEN] = { 0 };
-
- bcm43xx_macfilter_set(dev, offset, zero_addr);
-}
-
static void bcm43xx_write_mac_bssid_templates(struct bcm43xx_wldev *dev)
{
static const u8 zero_addr[ETH_ALEN] = { 0 };
if (!mac)
mac = zero_addr;
+ bcm43xx_macfilter_set(dev, BCM43xx_MACFILTER_BSSID, bssid);
+
memcpy(mac_bssid, mac, ETH_ALEN);
memcpy(mac_bssid + ETH_ALEN, bssid, ETH_ALEN);
}
}
+static void bcm43xx_upload_card_macaddress(struct bcm43xx_wldev *dev,
+ const u8 *mac_addr)
+{
+ dev->wl->mac_addr = mac_addr;
+ bcm43xx_write_mac_bssid_templates(dev);
+ bcm43xx_macfilter_set(dev, BCM43xx_MACFILTER_SELF, mac_addr);
+}
+
static void bcm43xx_set_slot_time(struct bcm43xx_wldev *dev, u16 slot_time)
{
/* slot_time is in usec. */
}
}
if (wl->monitor) {
- ctl |= BCM43xx_MACCTL_PROMISC;
ctl |= BCM43xx_MACCTL_KEEP_CTL;
if (modparam_mon_keep_bad)
ctl |= BCM43xx_MACCTL_KEEP_BAD;
bcm43xx_rate_memory_write(dev, BCM43xx_OFDM_RATE_36MB, 1);
bcm43xx_rate_memory_write(dev, BCM43xx_OFDM_RATE_48MB, 1);
bcm43xx_rate_memory_write(dev, BCM43xx_OFDM_RATE_54MB, 1);
+ if (dev->phy.type == BCM43xx_PHYTYPE_A)
+ break;
+ /* fallthrough */
case BCM43xx_PHYTYPE_B:
bcm43xx_rate_memory_write(dev, BCM43xx_CCK_RATE_1MB, 0);
bcm43xx_rate_memory_write(dev, BCM43xx_CCK_RATE_2MB, 0);
if (state % 15 == 0)
bcm43xx_periodic_every15sec(dev);
bcm43xx_periodic_every1sec(dev);
-
- dev->periodic_state = state + 1;
-
- schedule_delayed_work(&dev->periodic_work, HZ);
}
/* Estimate a "Badness" value based on the periodic work
{
struct bcm43xx_wldev *dev =
container_of(work, struct bcm43xx_wldev, periodic_work.work);
- unsigned long flags;
+ unsigned long flags, delay;
u32 savedirqs = 0;
int badness;
mutex_lock(&dev->wl->mutex);
+
+ if (unlikely(bcm43xx_status(dev) != BCM43xx_STAT_INITIALIZED))
+ goto out;
+ if (unlikely(!dev->started))
+ goto out;
+ if (bcm43xx_debug(dev, BCM43xx_DBG_PWORK_STOP))
+ goto out_requeue;
+
badness = estimate_periodic_work_badness(dev->periodic_state);
if (badness > BADNESS_LIMIT) {
- /* Periodic work will take a long time, so we want it to
- * be preemtible.
- */
- ieee80211_stop_queues(dev->wl->hw);
spin_lock_irqsave(&dev->wl->irq_lock, flags);
- bcm43xx_mac_suspend(dev);
- if (bcm43xx_using_pio(dev))
- bcm43xx_pio_freeze_txqueues(dev);
+ /* Suspend TX as we don't want to transmit packets while
+ * we recalibrate the hardware. */
+ bcm43xx_tx_suspend(dev);
savedirqs = bcm43xx_interrupt_disable(dev, BCM43xx_IRQ_ALL);
+ /* Periodic work will take a long time, so we want it to
+ * be preemtible and release the spinlock. */
spin_unlock_irqrestore(&dev->wl->irq_lock, flags);
bcm43xx_synchronize_irq(dev);
- } else {
- /* Periodic work should take short time, so we want low
- * locking overhead.
- */
- spin_lock_irqsave(&dev->wl->irq_lock, flags);
- }
- do_periodic_work(dev);
+ do_periodic_work(dev);
- if (badness > BADNESS_LIMIT) {
spin_lock_irqsave(&dev->wl->irq_lock, flags);
bcm43xx_interrupt_enable(dev, savedirqs);
- if (bcm43xx_using_pio(dev))
- bcm43xx_pio_thaw_txqueues(dev);
- bcm43xx_mac_enable(dev);
- ieee80211_start_queues(dev->wl->hw);
+ bcm43xx_tx_resume(dev);
+ mmiowb();
+ spin_unlock_irqrestore(&dev->wl->irq_lock, flags);
+ } else {
+ /* Take the global driver lock. This will lock any operation. */
+ spin_lock_irqsave(&dev->wl->irq_lock, flags);
+
+ do_periodic_work(dev);
+
+ mmiowb();
+ spin_unlock_irqrestore(&dev->wl->irq_lock, flags);
}
- mmiowb();
- spin_unlock_irqrestore(&dev->wl->irq_lock, flags);
+ dev->periodic_state++;
+out_requeue:
+ if (bcm43xx_debug(dev, BCM43xx_DBG_PWORK_FAST))
+ delay = msecs_to_jiffies(50);
+ else
+ delay = round_jiffies(HZ);
+ queue_delayed_work(dev->wl->hw->workqueue,
+ &dev->periodic_work, delay);
+out:
mutex_unlock(&dev->wl->mutex);
}
assert(bcm43xx_status(dev) == BCM43xx_STAT_INITIALIZED);
dev->periodic_state = 0;
INIT_DELAYED_WORK(work, bcm43xx_periodic_work_handler);
- schedule_delayed_work(work, 0);
+ queue_delayed_work(dev->wl->hw->workqueue, work, 0);
}
/* Validate access to the chip (SHM) */
int err = -ENODEV;
unsigned long flags;
+ /* DMA-TX is done without a global lock. */
if (unlikely(!dev))
goto out;
- spin_lock_irqsave(&wl->irq_lock, flags);
- if (likely(bcm43xx_status(dev) == BCM43xx_STAT_INITIALIZED)) {
- if (bcm43xx_using_pio(dev))
- err = bcm43xx_pio_tx(dev, skb, ctl);
- else
- err = bcm43xx_dma_tx(dev, skb, ctl);
- }
- spin_unlock_irqrestore(&wl->irq_lock, flags);
+ assert(bcm43xx_status(dev) == BCM43xx_STAT_INITIALIZED);
+ assert(dev->started);
+ if (bcm43xx_using_pio(dev)) {
+ spin_lock_irqsave(&wl->irq_lock, flags);
+ err = bcm43xx_pio_tx(dev, skb, ctl);
+ spin_unlock_irqrestore(&wl->irq_lock, flags);
+ } else
+ err = bcm43xx_dma_tx(dev, skb, ctl);
out:
if (unlikely(err))
return NETDEV_TX_BUSY;
int antenna_tx;
int antenna_rx;
int err = 0;
+ u32 savedirqs;
antenna_tx = bcm43xx_antenna_from_ieee80211(conf->antenna_sel_tx);
antenna_rx = bcm43xx_antenna_from_ieee80211(conf->antenna_sel_rx);
dev = wl->current_dev;
phy = &dev->phy;
+ /* Disable IRQs while reconfiguring the device.
+ * This makes it possible to drop the spinlock throughout
+ * the reconfiguration process. */
spin_lock_irqsave(&wl->irq_lock, flags);
- if (bcm43xx_status(dev) != BCM43xx_STAT_INITIALIZED)
- goto out_unlock;
+ if ((bcm43xx_status(dev) != BCM43xx_STAT_INITIALIZED) ||
+ !dev->started) {
+ spin_unlock_irqrestore(&wl->irq_lock, flags);
+ goto out_unlock_mutex;
+ }
+ savedirqs = bcm43xx_interrupt_disable(dev, BCM43xx_IRQ_ALL);
+ spin_unlock_irqrestore(&wl->irq_lock, flags);
+ bcm43xx_synchronize_irq(dev);
- /* Switch to the requested channel. */
+ /* Switch to the requested channel.
+ * The firmware takes care of races with the TX handler. */
if (conf->channel_val != phy->channel)
bcm43xx_radio_selectchannel(dev, conf->channel_val, 0);
/* Enable/Disable ShortSlot timing. */
- if (!!(conf->flags & IEEE80211_CONF_SHORT_SLOT_TIME) != dev->short_slot) {
+ if ((!!(conf->flags & IEEE80211_CONF_SHORT_SLOT_TIME)) != dev->short_slot) {
assert(phy->type == BCM43xx_PHYTYPE_G);
if (conf->flags & IEEE80211_CONF_SHORT_SLOT_TIME)
bcm43xx_short_slot_timing_enable(dev);
if (bcm43xx_is_mode(wl, IEEE80211_IF_TYPE_AP))
bcm43xx_set_beacon_int(dev, conf->beacon_int);
-out_unlock:
+
+ spin_lock_irqsave(&wl->irq_lock, flags);
+ bcm43xx_interrupt_enable(dev, savedirqs);
+ mmiowb();
spin_unlock_irqrestore(&wl->irq_lock, flags);
out_unlock_mutex:
mutex_unlock(&wl->mutex);
if (conf->beacon)
bcm43xx_refresh_templates(dev, conf->beacon);
}
+ bcm43xx_write_mac_bssid_templates(dev);
}
spin_unlock_irqrestore(&wl->irq_lock, flags);
mutex_unlock(&wl->mutex);
if (!dev->started)
return;
+ dev->started = 0;
mutex_unlock(&wl->mutex);
+ /* Must unlock as it would otherwise deadlock. No races here. */
bcm43xx_periodic_tasks_delete(dev);
- flush_scheduled_work();
+ flush_workqueue(dev->wl->hw->workqueue);
mutex_lock(&wl->mutex);
- ieee80211_stop_queues(wl->hw);
+ ieee80211_stop_queues(wl->hw); //FIXME this could cause a deadlock, as mac80211 seems buggy.
/* Disable and sync interrupts. */
spin_lock_irqsave(&wl->irq_lock, flags);
bcm43xx_mac_suspend(dev);
free_irq(dev->dev->irq, dev);
- dev->started = 0;
dprintk(KERN_INFO PFX "Wireless interface stopped\n");
}
}
phy->max_lb_gain = 0;
phy->trsw_rx_gain = 0;
-
- /* Set default attenuation values. */
- phy->bbatt = bcm43xx_default_baseband_attenuation(dev);
- phy->rfatt = bcm43xx_default_radio_attenuation(dev);
- phy->txctl1 = bcm43xx_default_txctl1(dev);
phy->txpwr_offset = 0;
/* NRSSI */
bcm43xx_shm_write16(dev, BCM43xx_SHM_SCRATCH,
BCM43xx_SHM_SC_MAXCONT, 0x3FF);
- bcm43xx_write_mac_bssid_templates(dev);
-
do {
- if (bcm43xx_using_pio(dev))
+ if (bcm43xx_using_pio(dev)) {
err = bcm43xx_pio_init(dev);
- else
+ } else {
err = bcm43xx_dma_init(dev);
+ if (!err)
+ bcm43xx_qos_init(dev);
+ }
} while (err == -EAGAIN);
if (err)
goto err_chip_exit;
bcm43xx_bluetooth_coext_enable(dev);
ssb_bus_powerup(bus, 1); /* Enable dynamic PCTL */
- bcm43xx_macfilter_clear(dev, BCM43xx_MACFILTER_ASSOC);
- bcm43xx_macfilter_set(dev, BCM43xx_MACFILTER_SELF,
- (u8 *)(wl->hw->wiphy->perm_addr));
+ wl->bssid = NULL;
+ bcm43xx_upload_card_macaddress(dev, NULL);
bcm43xx_security_init(dev);
- bcm43xx_measure_channel_change_time(dev);
bcm43xx_rng_init(wl);
bcm43xx_set_status(dev, BCM43xx_STAT_INITIALIZED);
default:
wl->operating = 1;
wl->if_id = conf->if_id;
- wl->mac_addr = conf->mac_addr;
wl->if_type = conf->type;
+ bcm43xx_upload_card_macaddress(dev, conf->mac_addr);
}
bcm43xx_adjust_opmode(dev);
spin_unlock_irqrestore(&wl->irq_lock, flags);
dev = wl->current_dev;
if (!wl->operating && wl->monitor == 0) {
+ /* No interface left. */
if (dev->started)
bcm43xx_wireless_core_stop(dev);
bcm43xx_wireless_core_exit(dev);
} else {
+ /* Just monitor interfaces left. */
spin_lock_irqsave(&wl->irq_lock, flags);
bcm43xx_adjust_opmode(dev);
+ if (!wl->operating)
+ bcm43xx_upload_card_macaddress(dev, NULL);
spin_unlock_irqrestore(&wl->irq_lock, flags);
}
mutex_unlock(&wl->mutex);
static void bcm43xx_sprom_fixup(struct ssb_bus *bus)
{
/* boardflags workarounds */
- if (bus->board_vendor == SSB_BOARDVENDOR_DELL &&
+ if (bus->boardinfo.vendor == SSB_BOARDVENDOR_DELL &&
bus->chip_id == 0x4301 &&
- bus->board_rev == 0x74)
+ bus->boardinfo.rev == 0x74)
bus->sprom.r1.boardflags_lo |= BCM43xx_BFL_BTCOEXIST;
- if (bus->board_vendor == PCI_VENDOR_ID_APPLE &&
- bus->board_type == 0x4E &&
- bus->board_rev > 0x40)
+ if (bus->boardinfo.vendor == PCI_VENDOR_ID_APPLE &&
+ bus->boardinfo.type == 0x4E &&
+ bus->boardinfo.rev > 0x40)
bus->sprom.r1.boardflags_lo |= BCM43xx_BFL_PACTRL;
/* Convert Antennagain values to Q5.2 */
hw->max_signal = 100;
hw->max_rssi = -110;
hw->max_noise = -110;
- hw->queues = 1;
+ 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 (bcm43xx_status(dev) != BCM43xx_STAT_INITIALIZED)
return;
printk(KERN_ERR PFX "Controller RESET (%s) ...\n", reason);
- schedule_work(&dev->restart_work);
+ queue_work(dev->wl->hw->workqueue, &dev->restart_work);
}
#ifdef CONFIG_PM
# define bcm43xx_pcmcia_resume NULL
#endif /* CONFIG_PM */
-static void bcm43xx_pcmcia_fill_sprom(struct ssb_sprom *sprom)
-{//TODO
-}
-
static int __devinit bcm43xx_pcmcia_probe(struct pcmcia_device *dev)
{
struct ssb_bus *ssb;
if (res != CS_SUCCESS)
goto err_disable;
- err = ssb_bus_pcmciabus_register(ssb, dev, win.Base,
- bcm43xx_pcmcia_fill_sprom);
+ err = ssb_bus_pcmciabus_register(ssb, dev, win.Base);
dev->priv = ssb;
out:
bcm43xx_write16(dev, BCM43xx_MMIO_PHY_DATA, val);
}
+static void bcm43xx_radio_set_txpower_a(struct bcm43xx_wldev *dev, u16 txpower);
+
+/* Adjust the transmission power output (G-PHY) */
+void bcm43xx_set_txpower_g(struct bcm43xx_wldev *dev,
+ const struct bcm43xx_bbatt *bbatt,
+ const struct bcm43xx_rfatt *rfatt,
+ u8 tx_control)
+{
+ struct bcm43xx_phy *phy = &dev->phy;
+ struct bcm43xx_txpower_lo_control *lo = phy->lo_control;
+ u16 bb, rf;
+ u16 tx_bias, tx_magn;
+
+ bb = bbatt->att;
+ rf = rfatt->att;
+ tx_bias = lo->tx_bias;
+ tx_magn = lo->tx_magn;
+ if (unlikely(tx_bias == 0xFF))
+ tx_bias = 0;
+
+ /* Save the values for later */
+ phy->tx_control = tx_control;
+ memcpy(&phy->rfatt, rfatt, sizeof(*rfatt));
+ memcpy(&phy->bbatt, bbatt, sizeof(*bbatt));
+
+ if (bcm43xx_debug(dev, BCM43xx_DBG_XMITPOWER)) {
+ dprintk(KERN_DEBUG PFX "Tuning TX-power to bbatt(%u), "
+ "rfatt(%u), tx_control(0x%02X), "
+ "tx_bias(0x%02X), tx_magn(0x%02X)\n",
+ bb, rf, tx_control, tx_bias, tx_magn);
+ }
+
+ bcm43xx_phy_set_baseband_attenuation(dev, bb);
+ bcm43xx_shm_write16(dev, BCM43xx_SHM_SHARED, BCM43xx_SHM_SH_RFATT, rf);
+ if (phy->radio_ver == 0x2050 && phy->radio_rev == 8) {
+ bcm43xx_radio_write16(dev, 0x43,
+ (rf & 0x000F) | (tx_control & 0x0070));
+ } else {
+ bcm43xx_radio_write16(dev, 0x43,
+ (bcm43xx_radio_read16(dev, 0x43)
+ & 0xFFF0) | (rf & 0x000F));
+ bcm43xx_radio_write16(dev, 0x52,
+ (bcm43xx_radio_read16(dev, 0x52)
+ & ~0x0070) | (tx_control & 0x0070));
+ }
+ if (has_tx_magnification(phy)) {
+ bcm43xx_radio_write16(dev, 0x52, tx_magn | tx_bias);
+ } else {
+ bcm43xx_radio_write16(dev, 0x52,
+ (bcm43xx_radio_read16(dev, 0x52)
+ & 0xFFF0) | (tx_bias & 0x000F));
+ }
+ if (phy->type == BCM43xx_PHYTYPE_G)
+ bcm43xx_lo_g_adjust(dev);
+}
+
+static void default_baseband_attenuation(struct bcm43xx_wldev *dev,
+ struct bcm43xx_bbatt *bb)
+{
+ struct bcm43xx_phy *phy = &dev->phy;
+
+ if (phy->radio_ver == 0x2050 && phy->radio_rev < 6)
+ bb->att = 0;
+ else
+ bb->att = 2;
+}
+
+static void default_radio_attenuation(struct bcm43xx_wldev *dev,
+ struct bcm43xx_rfatt *rf)
+{
+ struct ssb_bus *bus = dev->dev->bus;
+ struct bcm43xx_phy *phy = &dev->phy;
+
+ rf->with_padmix = 0;
+
+ if (bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM &&
+ bus->boardinfo.type == SSB_BOARD_BCM4309G) {
+ if (bus->boardinfo.rev < 0x43) {
+ rf->att = 2;
+ return;
+ } else if (bus->boardinfo.rev < 0x51) {
+ rf->att = 3;
+ return;
+ }
+ }
+
+ if (phy->type == BCM43xx_PHYTYPE_A) {
+ rf->att = 0x60;
+ return;
+ }
+
+ switch (phy->radio_ver) {
+ case 0x2053:
+ switch (phy->radio_rev) {
+ case 1:
+ rf->att = 6;
+ return;
+ }
+ break;
+ case 0x2050:
+ switch (phy->radio_rev) {
+ case 0:
+ rf->att = 5;
+ return;
+ case 1:
+ if (phy->type == BCM43xx_PHYTYPE_G) {
+ if (bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM &&
+ bus->boardinfo.type == SSB_BOARD_BCM4309G &&
+ bus->boardinfo.rev >= 30)
+ rf->att = 3;
+ else if (bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM &&
+ bus->boardinfo.type == SSB_BOARD_BU4306)
+ rf->att = 3;
+ else
+ rf->att = 1;
+ } else {
+ if (bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM &&
+ bus->boardinfo.type == SSB_BOARD_BCM4309G &&
+ bus->boardinfo.rev >= 30)
+ rf->att = 7;
+ else
+ rf->att = 6;
+ }
+ return;
+ case 2:
+ if (phy->type == BCM43xx_PHYTYPE_G) {
+ if (bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM &&
+ bus->boardinfo.type == SSB_BOARD_BCM4309G &&
+ bus->boardinfo.rev >= 30)
+ rf->att = 3;
+ else if (bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM &&
+ bus->boardinfo.type == SSB_BOARD_BU4306)
+ rf->att = 5;
+ else if (bus->chip_id == 0x4320)
+ rf->att = 4;
+ else
+ rf->att = 3;
+ } else
+ rf->att = 6;
+ return;
+ case 3:
+ rf->att = 5;
+ return;
+ case 4:
+ case 5:
+ rf->att = 1;
+ return;
+ case 6:
+ case 7:
+ rf->att = 5;
+ return;
+ case 8:
+ rf->att = 0xA;
+ rf->with_padmix = 1;
+ return;
+ case 9:
+ default:
+ rf->att = 5;
+ return;
+ }
+ }
+ rf->att = 5;
+}
+
+static u16 default_tx_control(struct bcm43xx_wldev *dev)
+{
+ struct bcm43xx_phy *phy = &dev->phy;
+
+ if (phy->radio_ver != 0x2050)
+ return 0;
+ if (phy->radio_rev == 1)
+ return BCM43xx_TXCTL_PA2DB | BCM43xx_TXCTL_TXMIX;
+ if (phy->radio_rev < 6)
+ return BCM43xx_TXCTL_PA2DB;
+ if (phy->radio_rev == 8)
+ return BCM43xx_TXCTL_TXMIX;
+ return 0;
+}
+
/* This func is called "PHY calibrate" in the specs... */
void bcm43xx_phy_early_init(struct bcm43xx_wldev *dev)
{
struct bcm43xx_phy *phy = &dev->phy;
struct bcm43xx_txpower_lo_control *lo = phy->lo_control;
+ default_baseband_attenuation(dev, &phy->bbatt);
+ default_radio_attenuation(dev, &phy->rfatt);
+ phy->tx_control = (default_tx_control(dev) << 4);
+
bcm43xx_read32(dev, BCM43xx_MMIO_STATUS_BITFIELD); /* Dummy read. */
if (phy->type == BCM43xx_PHYTYPE_B ||
phy->type == BCM43xx_PHYTYPE_G) {
{
struct ssb_bus *bus = dev->dev->bus;
struct bcm43xx_phy *phy = &dev->phy;
+ struct bcm43xx_rfatt old_rfatt;
+ struct bcm43xx_bbatt old_bbatt;
+ u8 old_tx_control = 0;
- if ((bus->board_vendor == SSB_BOARDVENDOR_BCM) &&
- (bus->board_type == SSB_BOARD_BU4306))
+ if ((bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM) &&
+ (bus->boardinfo.type == SSB_BOARD_BU4306))
return;
bcm43xx_phy_write(dev, 0x0028, 0x8018);
(bcm43xx_radio_read16(dev, 0x0076)
& 0x00F7) | 0x0084);
} else {
- if (phy->radio_rev == 8)
- bcm43xx_radio_set_txpower_bg(dev, 0xB, 0x1F, 0);
- else
- bcm43xx_radio_set_txpower_bg(dev, 0xB, 9, 0);
+ struct bcm43xx_rfatt rfatt;
+ struct bcm43xx_bbatt bbatt;
+
+ memcpy(&old_rfatt, &phy->rfatt, sizeof(old_rfatt));
+ memcpy(&old_bbatt, &phy->bbatt, sizeof(old_bbatt));
+ old_tx_control = phy->tx_control;
+
+ bbatt.att = 11;
+ if (phy->radio_rev == 8) {
+ rfatt.att = 15;
+ rfatt.with_padmix = 1;
+ } else {
+ rfatt.att = 9;
+ rfatt.with_padmix = 0;
+ }
+ bcm43xx_set_txpower_g(dev, &bbatt, &rfatt, 0);
}
bcm43xx_dummy_transmission(dev);
phy->cur_idle_tssi = bcm43xx_phy_read(dev, BCM43xx_PHY_ITSSI);
phy->cur_idle_tssi = 0;
}
}
-
if (phy->radio_ver == 0x2050 && phy->analog == 0) {
bcm43xx_radio_write16(dev, 0x0076,
bcm43xx_radio_read16(dev, 0x0076)
& 0xFF7B);
- } else
- bcm43xx_radio_set_txpower_bg(dev, -1, -1, -1);
+ } else {
+ bcm43xx_set_txpower_g(dev, &old_bbatt,
+ &old_rfatt, old_tx_control);
+ }
}
bcm43xx_hardware_pctl_init(dev);
bcm43xx_shm_clear_tssi(dev);
if (phy->rev == 1) {
for (i = 0; i < BCM43xx_TAB_RETARD_SIZE; i++)
bcm43xx_ofdmtab_write32(dev, 0x2400, i, bcm43xx_tab_retard[i]);
- for (i = 0; i < 4; i++) {
- bcm43xx_ofdmtab_write16(dev, 0x5404, i, 0x0020);
- bcm43xx_ofdmtab_write16(dev, 0x5408, i, 0x0020);
- bcm43xx_ofdmtab_write16(dev, 0x540C, i, 0x0020);
- bcm43xx_ofdmtab_write16(dev, 0x5410, i, 0x0020);
- }
+ for (i = 4; i < 20; i++)
+ bcm43xx_ofdmtab_write16(dev, 0x5400, i, 0x0020);
bcm43xx_phy_agcsetup(dev);
- if ((bus->board_vendor == SSB_BOARDVENDOR_BCM) &&
- (bus->board_type == SSB_BOARD_BU4306) &&
- (bus->board_rev == 0x17))
+ if ((bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM) &&
+ (bus->boardinfo.type == SSB_BOARD_BU4306) &&
+ (bus->boardinfo.rev == 0x17))
return;
bcm43xx_ofdmtab_write16(dev, 0x5001, 0, 0x0002);
bcm43xx_ofdmtab_write16(dev, 0x5002, 0, 0x0001);
} else {
- for (i = 0; i <= 0x2F; i++)
+ for (i = 0; i < 0x20; i++)
bcm43xx_ofdmtab_write16(dev, 0x1000, i, 0x0820);
bcm43xx_phy_agcsetup(dev);
bcm43xx_phy_read(dev, 0x0400); /* dummy read */
bcm43xx_ofdmtab_write16(dev, 0x3C02, 0, 0x000F);
bcm43xx_ofdmtab_write16(dev, 0x3C03, 0, 0x0014);
- if ((bus->board_vendor == SSB_BOARDVENDOR_BCM) &&
- (bus->board_type == SSB_BOARD_BU4306) &&
- (bus->board_rev == 0x17))
+ if ((bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM) &&
+ (bus->boardinfo.type == SSB_BOARD_BU4306) &&
+ (bus->boardinfo.rev == 0x17))
return;
bcm43xx_ofdmtab_write16(dev, 0x0401, 0, 0x0002);
struct bcm43xx_phy *phy = &dev->phy;
u16 tval;
+ might_sleep();
+
if (phy->type == BCM43xx_PHYTYPE_A) {
bcm43xx_phy_setupa(dev);
} else {
bcm43xx_phy_read(dev, BCM43xx_PHY_A_CRS) | (1 << 14));
bcm43xx_radio_init2060(dev);
- if ((bus->board_vendor == SSB_BOARDVENDOR_BCM) &&
- ((bus->board_type == SSB_BOARD_BU4306) ||
- (bus->board_type == SSB_BOARD_BU4309))) {
+ if ((bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM) &&
+ ((bus->boardinfo.type == SSB_BOARD_BU4306) ||
+ (bus->boardinfo.type == SSB_BOARD_BU4309))) {
if (phy->lofcal == 0xFFFF) {
TODO();//TODO: LOF Cal
bcm43xx_radio_set_tx_iq(dev);
bcm43xx_phy_write(dev, 0x002A, 0x88A3);
if (phy->radio_ver != 0x2050)
bcm43xx_phy_write(dev, 0x002A, 0x88C2);
- bcm43xx_radio_set_txpower_bg(dev, -1, -1, -1);
+ bcm43xx_set_txpower_g(dev, &phy->bbatt, &phy->rfatt, phy->tx_control);
bcm43xx_phy_init_pctl(dev);
}
bcm43xx_phy_write(dev, 0x002A, 0x88A3);
if (phy->radio_ver == 0x2050)
bcm43xx_phy_write(dev, 0x002A, 0x88C2);
- bcm43xx_radio_set_txpower_bg(dev, 0xFFFF, 0xFFFF, 0xFFFF);
+ bcm43xx_set_txpower_g(dev, &phy->bbatt, &phy->rfatt, phy->tx_control);
if (dev->dev->bus->sprom.r1.boardflags_lo & BCM43xx_BFL_RSSI) {
bcm43xx_calc_nrssi_slope(dev);
bcm43xx_calc_nrssi_threshold(dev);
bcm43xx_radio_read16(dev, 0x007A)
| 0x0050);
}
- if ((bus->board_vendor != SSB_BOARDVENDOR_BCM) &&
- (bus->board_type != SSB_BOARD_BU4306)) {
+ if ((bus->boardinfo.vendor != SSB_BOARDVENDOR_BCM) &&
+ (bus->boardinfo.type != SSB_BOARD_BU4306)) {
value = 0x2120;
for (offset = 0x00A8 ; offset < 0x00C7; offset++) {
bcm43xx_phy_write(dev, offset, value);
bcm43xx_phy_write(dev, 0x0032, 0x00CA);
bcm43xx_phy_write(dev, 0x002A, 0x88A3);
- bcm43xx_radio_set_txpower_bg(dev, -1, -1, -1);
+ bcm43xx_set_txpower_g(dev, &phy->bbatt, &phy->rfatt, phy->tx_control);
if (phy->radio_ver == 0x2050)
bcm43xx_radio_write16(dev, 0x005D, 0x000D);
else
bcm43xx_phy_write(dev, 0x2A, 0x8AC0);
bcm43xx_phy_write(dev, 0x0038, 0x0668);
- bcm43xx_radio_set_txpower_bg(dev, -1, -1, -1);
+ bcm43xx_set_txpower_g(dev, &phy->bbatt, &phy->rfatt, phy->tx_control);
if (phy->radio_rev <= 5) {
bcm43xx_phy_write(dev, 0x5D,
(bcm43xx_phy_read(dev, 0x5D)
backup_phy[13] = bcm43xx_phy_read(dev, BCM43xx_PHY_BASE(0x2B));
backup_phy[14] = bcm43xx_phy_read(dev, BCM43xx_PHY_PGACTL);
backup_phy[15] = bcm43xx_phy_read(dev, BCM43xx_PHY_LO_LEAKAGE);
- backup_bband = phy->bbatt;
+ backup_bband = phy->bbatt.att;
backup_radio[0] = bcm43xx_radio_read16(dev, 0x52);
backup_radio[1] = bcm43xx_radio_read16(dev, 0x43);
backup_radio[2] = bcm43xx_radio_read16(dev, 0x7A);
u16 baseband_attenuation)
{
struct bcm43xx_phy *phy = &dev->phy;
- u16 value;
if (phy->analog == 0) {
- value = (bcm43xx_read16(dev, 0x03E6) & 0xFFF0);
- value |= (baseband_attenuation & 0x000F);
- bcm43xx_write16(dev, 0x03E6, value);
- return;
- }
-
- if (phy->analog > 1) {
- value = bcm43xx_phy_read(dev, 0x0060) & ~0x003C;
- value |= (baseband_attenuation << 2) & 0x003C;
+ bcm43xx_write16(dev, BCM43xx_MMIO_PHY0,
+ (bcm43xx_read16(dev, BCM43xx_MMIO_PHY0)
+ & 0xFFF0) | baseband_attenuation);
+ } else if (phy->analog == 1) {
+ bcm43xx_phy_write(dev, BCM43xx_PHY_DACCTL,
+ (bcm43xx_phy_read(dev, BCM43xx_PHY_DACCTL)
+ & 0xFFC3) | (baseband_attenuation << 2));
} else {
- value = bcm43xx_phy_read(dev, 0x0060) & ~0x0078;
- value |= (baseband_attenuation << 3) & 0x0078;
+ bcm43xx_phy_write(dev, BCM43xx_PHY_DACCTL,
+ (bcm43xx_phy_read(dev, BCM43xx_PHY_DACCTL)
+ & 0xFF87) | (baseband_attenuation << 3));
}
- bcm43xx_phy_write(dev, 0x0060, value);
}
/* http://bcm-specs.sipsolutions.net/EstimatePowerOut
return dbm;
}
-static void put_attenuation_into_ranges(struct bcm43xx_wldev *dev,
- int *_rfatt, int *_bbatt)
+void bcm43xx_put_attenuation_into_ranges(struct bcm43xx_wldev *dev,
+ int *_bbatt, int *_rfatt)
{
int rfatt = *_rfatt;
int bbatt = *_bbatt;
+ struct bcm43xx_txpower_lo_control *lo = dev->phy.lo_control;
/* Get baseband and radio attenuation values into their permitted ranges.
* Radio attenuation affects power level 4 times as much as baseband. */
/* Range constants */
- const int rf_min = 0;
- const int rf_max = 9;
- const int bb_min = 0;
- const int bb_max = 11;
+ const int rf_min = lo->rfatt_list.min_val;
+ const int rf_max = lo->rfatt_list.max_val;
+ const int bb_min = lo->bbatt_list.min_val;
+ const int bb_max = lo->bbatt_list.max_val;
while (1) {
if (rfatt > rf_max &&
if (phy->cur_idle_tssi == 0)
return;
- if ((bus->board_vendor == SSB_BOARDVENDOR_BCM) &&
- (bus->board_type == SSB_BOARD_BU4306))
+ if ((bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM) &&
+ (bus->boardinfo.type == SSB_BOARD_BU4306))
return;
+#ifdef CONFIG_BCM43XX_MAC80211_DEBUG
+ if (phy->manual_txpower_control)
+ return;
+#endif
switch (phy->type) {
case BCM43xx_PHYTYPE_A: {
case BCM43xx_PHYTYPE_B:
case BCM43xx_PHYTYPE_G: {
u16 tmp;
- u16 txpower;
s8 v0, v1, v2, v3;
s8 average;
- u8 max_pwr;
- s16 desired_pwr, estimated_pwr, pwr_adjust;
- int radio_att_delta, baseband_att_delta;
- int radio_attenuation, baseband_attenuation;
+ int max_pwr;
+ int desired_pwr, estimated_pwr, pwr_adjust;
+ int rfatt_delta, bbatt_delta;
+ int rfatt, bbatt;
+ u8 tx_control;
unsigned long phylock_flags;
tmp = bcm43xx_shm_read16(dev, BCM43xx_SHM_SHARED, 0x0058);
estimated_pwr = bcm43xx_phy_estimate_power_out(dev, average);
max_pwr = dev->dev->bus->sprom.r1.maxpwr_bg;
-
if ((dev->dev->bus->sprom.r1.boardflags_lo & BCM43xx_BFL_PACTRL) &&
(phy->type == BCM43xx_PHYTYPE_G))
max_pwr -= 0x3;
+ if (unlikely(max_pwr <= 0)) {
+ printk(KERN_ERR PFX "Invalid max-TX-power value in SPROM.\n");
+ max_pwr = 60; /* fake it */
+ dev->dev->bus->sprom.r1.maxpwr_bg = max_pwr;
+ }
/*TODO:
max_pwr = min(REG - dev->dev->bus->sprom.antennagain_bgphy - 0x6, max_pwr)
desired_pwr = phy->power_level;
/* Convert the desired_pwr to Q5.2 and limit it. */
desired_pwr = limit_value((desired_pwr << 2), 0, max_pwr);
+ if (bcm43xx_debug(dev, BCM43xx_DBG_XMITPOWER)) {
+ dprintk(KERN_DEBUG PFX
+ "Current TX power output: " Q52_FMT " dBm, "
+ "Desired TX power output: " Q52_FMT " dBm\n",
+ Q52_ARG(estimated_pwr), Q52_ARG(desired_pwr));
+ }
pwr_adjust = desired_pwr - estimated_pwr;
- radio_att_delta = -((pwr_adjust + 7) >> 3);
- baseband_att_delta = (-(pwr_adjust >> 1)) - (4 * radio_att_delta);
- if ((radio_att_delta == 0) && (baseband_att_delta == 0)) {
+ rfatt_delta = -((pwr_adjust + 7) >> 3);
+ bbatt_delta = (-(pwr_adjust >> 1)) - (4 * rfatt_delta);
+ if ((rfatt_delta == 0) && (bbatt_delta == 0)) {
bcm43xx_lo_g_ctl_mark_cur_used(dev);
return;
}
/* Calculate the new attenuation values. */
- baseband_attenuation = phy->bbatt;
- baseband_attenuation += baseband_att_delta;
- radio_attenuation = phy->rfatt;
- radio_attenuation += radio_att_delta;
- put_attenuation_into_ranges(dev, &radio_attenuation,
- &baseband_attenuation);
-
- txpower = phy->txctl1;
+ bbatt = phy->bbatt.att;
+ bbatt += bbatt_delta;
+ rfatt = phy->rfatt.att;
+ rfatt += rfatt_delta;
+
+ bcm43xx_put_attenuation_into_ranges(dev, &bbatt, &rfatt);
+ tx_control = phy->tx_control;
if ((phy->radio_ver == 0x2050) && (phy->radio_rev == 2)) {
- if (radio_attenuation <= 1) {
- if (txpower == 0) {
- txpower = 3;
- radio_attenuation += 2;
- baseband_attenuation += 2;
+ if (rfatt <= 1) {
+ if (tx_control == 0) {
+ tx_control = BCM43xx_TXCTL_PA2DB | BCM43xx_TXCTL_TXMIX;
+ rfatt += 2;
+ bbatt += 2;
} else if (dev->dev->bus->sprom.r1.boardflags_lo & BCM43xx_BFL_PACTRL) {
- baseband_attenuation += 4 * (radio_attenuation - 2);
- radio_attenuation = 2;
+ bbatt += 4 * (rfatt - 2);
+ rfatt = 2;
}
- } else if (radio_attenuation > 4 && txpower != 0) {
- txpower = 0;
- if (baseband_attenuation < 3) {
- radio_attenuation -= 3;
- baseband_attenuation += 2;
+ } else if (rfatt > 4 && tx_control) {
+ tx_control = 0;
+ if (bbatt < 3) {
+ rfatt -= 3;
+ bbatt += 2;
} else {
- radio_attenuation -= 2;
- baseband_attenuation -= 2;
+ rfatt -= 2;
+ bbatt -= 2;
}
}
}
- phy->txctl1 = txpower;
- baseband_attenuation = limit_value(baseband_attenuation, 0, 11);
- radio_attenuation = limit_value(radio_attenuation, 0, 9);
+ phy->tx_control = tx_control;
+ bcm43xx_put_attenuation_into_ranges(dev, &bbatt, &rfatt);
bcm43xx_phy_lock(dev, phylock_flags);
bcm43xx_radio_lock(dev);
- bcm43xx_radio_set_txpower_bg(dev, baseband_attenuation,
- radio_attenuation, txpower);
+ bcm43xx_set_txpower_g(dev, &phy->bbatt, &phy->rfatt, phy->tx_control);
bcm43xx_lo_g_ctl_mark_cur_used(dev);
bcm43xx_radio_unlock(dev);
bcm43xx_phy_unlock(dev, phylock_flags);
{
struct bcm43xx_phy *phy = &dev->phy;
+ might_sleep();
+
if (phy->radio_ver != 0x2050 || phy->radio_rev >= 6) {
/* We do not need the workaround. */
return;
bcm43xx_write16(dev, BCM43xx_MMIO_CHANNEL,
channel2freq_bg(1));
}
- udelay(100);
+ msleep(1);
bcm43xx_write16(dev, BCM43xx_MMIO_CHANNEL,
channel2freq_bg(channel));
}
bcm43xx_radio_write16(dev, 0x0081, bcm43xx_radio_read16(dev, 0x0081) & ~0x0010);
bcm43xx_radio_write16(dev, 0x0081, bcm43xx_radio_read16(dev, 0x0081) & ~0x0020);
bcm43xx_radio_write16(dev, 0x0081, bcm43xx_radio_read16(dev, 0x0081) & ~0x0020);
- udelay(400);
+ msleep(1); /* delay 400usec */
bcm43xx_radio_write16(dev, 0x0081, (bcm43xx_radio_read16(dev, 0x0081) & ~0x0020) | 0x0010);
- udelay(400);
+ msleep(1); /* delay 400usec */
bcm43xx_radio_write16(dev, 0x0005, (bcm43xx_radio_read16(dev, 0x0005) & ~0x0008) | 0x0008);
bcm43xx_radio_write16(dev, 0x0085, bcm43xx_radio_read16(dev, 0x0085) & ~0x0010);
err = bcm43xx_radio_selectchannel(dev, BCM43xx_DEFAULT_CHANNEL_A, 0);
assert(err == 0);
- udelay(1000);
+
+ msleep(1);
}
static inline
}
phy->channel = channel;
- //XXX: Using the longer of 2 timeouts (8000 vs 2000 usecs). Specs states
- // that 2000 usecs might suffice.
- udelay(8000);
+ /* Wait for the radio to tune to the channel and stabilize. */
+ msleep(8);
return 0;
}
return ret;
}
-void bcm43xx_radio_set_txpower_a(struct bcm43xx_wldev *dev, u16 txpower)
+static void bcm43xx_radio_set_txpower_a(struct bcm43xx_wldev *dev, u16 txpower)
{
struct bcm43xx_phy *phy = &dev->phy;
u16 pamp, base, dac, t;
//TODO: FuncPlaceholder (Adjust BB loft cancel)
}
-void bcm43xx_radio_set_txpower_bg(struct bcm43xx_wldev *dev,
- s16 baseband_attenuation,
- s16 radio_attenuation,
- s16 _tx_magn)
-{
- struct bcm43xx_phy *phy = &dev->phy;
- u8 tx_bias = phy->lo_control->tx_bias;
- u8 tx_magn;
-
- if (baseband_attenuation < 0)
- baseband_attenuation = phy->bbatt;
- if (radio_attenuation < 0)
- radio_attenuation = phy->rfatt;
- if (_tx_magn < 0)
- _tx_magn = phy->lo_control->tx_magn;
- tx_magn = _tx_magn;
- phy->bbatt = baseband_attenuation;
- phy->rfatt = radio_attenuation;
-
- /* Set Baseband Attenuation on device. */
- bcm43xx_phy_set_baseband_attenuation(dev, baseband_attenuation);
-
- /* Set Radio Attenuation on device. */
- bcm43xx_shm_write16(dev, BCM43xx_SHM_SHARED,
- 0x0064, radio_attenuation);
- if (phy->radio_ver == 0x2050 && phy->radio_rev == 8) {
- bcm43xx_phy_write(dev, 0x0043, radio_attenuation);
- } else {
- bcm43xx_radio_write16(dev, 0x0043,
- (bcm43xx_radio_read16(dev, 0x0043)
- & 0xFFF0) | radio_attenuation);
- }
-
- if (phy->radio_ver == 0x2050) {//FIXME: It seems like tx_magn and tx_bias are swapped in this func.
- if (phy->radio_rev < 6) {
- bcm43xx_radio_write16(dev, 0x0043,
- (bcm43xx_radio_read16(dev, 0x0043)
- & 0xFF8F) | tx_magn);
- } else if (phy->radio_rev != 8) {
- bcm43xx_radio_write16(dev, 0x0052,
- (bcm43xx_radio_read16(dev, 0x0052)
- & 0xFF8F) | tx_magn);
- } else {
- bcm43xx_radio_write16(dev, 0x52,
- (bcm43xx_radio_read16(dev, 0x52) & 0xFF00) |
- tx_magn | tx_bias);
- }
- }
- if (phy->radio_rev != 8) {
- bcm43xx_radio_write16(dev, 0x0052,
- (bcm43xx_radio_read16(dev, 0x0052)
- & 0xFFF0) | tx_bias);
- }
- if (phy->type == BCM43xx_PHYTYPE_G)
- bcm43xx_lo_g_adjust(dev);
-}
-
-u16 bcm43xx_default_baseband_attenuation(struct bcm43xx_wldev *dev)
-{
- struct bcm43xx_phy *phy = &dev->phy;
-
- if (phy->radio_ver == 0x2050 && phy->radio_rev < 6)
- return 0;
- return 2;
-}
-
-u16 bcm43xx_default_radio_attenuation(struct bcm43xx_wldev *dev)
-{
- struct ssb_bus *bus = dev->dev->bus;
- struct bcm43xx_phy *phy = &dev->phy;
- u16 att = 0xFFFF;
-
- if (phy->type == BCM43xx_PHYTYPE_A)
- return 0x60;
-
- switch (phy->radio_ver) {
- case 0x2053:
- switch (phy->radio_rev) {
- case 1:
- att = 6;
- break;
- }
- break;
- case 0x2050:
- switch (phy->radio_rev) {
- case 0:
- att = 5;
- break;
- case 1:
- if (phy->type == BCM43xx_PHYTYPE_G) {
- if (bus->board_vendor == SSB_BOARDVENDOR_BCM &&
- bus->board_type == SSB_BOARD_BCM4309G &&
- bus->board_rev >= 30)
- att = 3;
- else if (bus->board_vendor == SSB_BOARDVENDOR_BCM &&
- bus->board_type == SSB_BOARD_BU4306)
- att = 3;
- else
- att = 1;
- } else {
- if (bus->board_vendor == SSB_BOARDVENDOR_BCM &&
- bus->board_type == SSB_BOARD_BCM4309G &&
- bus->board_rev >= 30)
- att = 7;
- else
- att = 6;
- }
- break;
- case 2:
- if (phy->type == BCM43xx_PHYTYPE_G) {
- if (bus->board_vendor == SSB_BOARDVENDOR_BCM &&
- bus->board_type == SSB_BOARD_BCM4309G &&
- bus->board_rev >= 30)
- att = 3;
- else if (bus->board_vendor == SSB_BOARDVENDOR_BCM &&
- bus->board_type == SSB_BOARD_BU4306)
- att = 5;
- else if (bus->chip_id == 0x4320)
- att = 4;
- else
- att = 3;
- } else
- att = 6;
- break;
- case 3:
- att = 5;
- break;
- case 4:
- case 5:
- att = 1;
- break;
- case 6:
- case 7:
- att = 5;
- break;
- case 8:
- att = 0x1A;
- break;
- case 9:
- default:
- att = 5;
- }
- }
- if (bus->board_vendor == SSB_BOARDVENDOR_BCM &&
- bus->board_type == SSB_BOARD_BCM4309G) {
- if (bus->board_rev < 0x43)
- att = 2;
- else if (bus->board_rev < 0x51)
- att = 3;
- }
- if (att == 0xFFFF)
- att = 5;
-
- return att;
-}
-
-u16 bcm43xx_default_txctl1(struct bcm43xx_wldev *dev)
-{
- struct bcm43xx_phy *phy = &dev->phy;
-
- if (phy->radio_ver != 0x2050)
- return 0;
- if (phy->radio_rev == 1)
- return 3;
- if (phy->radio_rev < 6)
- return 2;
- if (phy->radio_rev == 8)
- return 1;
- return 0;
-}
-
void bcm43xx_radio_turn_on(struct bcm43xx_wldev *dev)
{
struct bcm43xx_phy *phy = &dev->phy;
int err;
+ might_sleep();
+
if (phy->radio_on)
return;
u8 max_val;
};
+/* tx_control bits. */
+#define BCM43xx_TXCTL_PA3DB 0x40 /* PA Gain 3dB */
+#define BCM43xx_TXCTL_PA2DB 0x20 /* PA Gain 2dB */
+#define BCM43xx_TXCTL_TXMIX 0x10 /* TX Mixer Gain */
+
/* Write BasebandAttenuation value to the device. */
void bcm43xx_phy_set_baseband_attenuation(struct bcm43xx_wldev *dev,
u16 baseband_attenuation);
int bcm43xx_radio_selectchannel(struct bcm43xx_wldev *dev, u8 channel,
int synthetic_pu_workaround);
-void bcm43xx_radio_set_txpower_a(struct bcm43xx_wldev *dev, u16 txpower);
-/* Set the txpower on device. If the values are < 0, use the saved ones. */
-void bcm43xx_radio_set_txpower_bg(struct bcm43xx_wldev *dev,
- s16 baseband_attenuation,
- s16 radio_attenuation,
- s16 txctl1);
-
-u16 bcm43xx_default_baseband_attenuation(struct bcm43xx_wldev *dev);
-u16 bcm43xx_default_radio_attenuation(struct bcm43xx_wldev *dev);
-u16 bcm43xx_default_txctl1(struct bcm43xx_wldev *dev);
-
u8 bcm43xx_radio_aci_detect(struct bcm43xx_wldev *dev, u8 channel);
u8 bcm43xx_radio_aci_scan(struct bcm43xx_wldev *dev);
void bcm43xx_radio_set_tx_iq(struct bcm43xx_wldev *dev);
u16 bcm43xx_radio_calibrationvalue(struct bcm43xx_wldev *dev);
+void bcm43xx_put_attenuation_into_ranges(struct bcm43xx_wldev *dev,
+ int *_bbatt, int *_rfatt);
+
+void bcm43xx_set_txpower_g(struct bcm43xx_wldev *dev,
+ const struct bcm43xx_bbatt *bbatt,
+ const struct bcm43xx_rfatt *rfatt,
+ u8 tx_control);
#endif /* BCM43xx_PHY_H_ */
bcm43xx_handle_txstatus(dev, &status);
}
+
+/* Stop any TX operation on the device (suspend the hardware queues) */
+void bcm43xx_tx_suspend(struct bcm43xx_wldev *dev)
+{
+ if (bcm43xx_using_pio(dev))
+ bcm43xx_pio_freeze_txqueues(dev);
+ else
+ bcm43xx_dma_tx_suspend(dev);
+}
+
+/* Resume any TX operation on the device (resume the hardware queues) */
+void bcm43xx_tx_resume(struct bcm43xx_wldev *dev)
+{
+ if (bcm43xx_using_pio(dev))
+ bcm43xx_pio_thaw_txqueues(dev);
+ else
+ bcm43xx_dma_tx_resume(dev);
+}
+
+#if 0
+static void upload_qos_parms(struct bcm43xx_wldev *dev,
+ const u16 *parms,
+ u16 offset)
+{
+ int i;
+
+ for (i = 0; i < BCM43xx_NR_QOSPARMS; i++) {
+ bcm43xx_shm_write16(dev, BCM43xx_SHM_SHARED,
+ offset + (i * 2), parms[i]);
+ }
+}
+#endif
+
+/* Initialize the QoS parameters */
+void bcm43xx_qos_init(struct bcm43xx_wldev *dev)
+{
+ /* FIXME: This function must probably be called from the mac80211
+ * config callback. */
+return;
+
+ bcm43xx_hf_write(dev, bcm43xx_hf_read(dev) | BCM43xx_HF_EDCF);
+ //FIXME kill magic
+ bcm43xx_write16(dev, 0x688,
+ bcm43xx_read16(dev, 0x688) | 0x4);
+
+
+ /*TODO: We might need some stack support here to get the values. */
+}
void bcm43xx_handle_hwtxstatus(struct bcm43xx_wldev *dev,
const struct bcm43xx_hwtxstatus *hw);
+void bcm43xx_tx_suspend(struct bcm43xx_wldev *dev);
+void bcm43xx_tx_resume(struct bcm43xx_wldev *dev);
+
+
+#define BCM43xx_NR_QOSPARMS 22
+enum {
+ BCM43xx_QOSPARM_TXOP = 0,
+ BCM43xx_QOSPARM_CWMIN,
+ BCM43xx_QOSPARM_CWMAX,
+ BCM43xx_QOSPARM_CWCUR,
+ BCM43xx_QOSPARM_AIFS,
+ BCM43xx_QOSPARM_BSLOTS,
+ BCM43xx_QOSPARM_REGGAP,
+ BCM43xx_QOSPARM_STATUS,
+};
+void bcm43xx_qos_init(struct bcm43xx_wldev *dev);
+
/* Helper functions for converting the key-table index from "firmware-format"
* to "raw-format" and back. The firmware API changed for this at some revision.
projects / openwrt / staging / thess.git / commitdiff