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
};
MODULE_DEVICE_TABLE(ssb, b43_ssb_tbl);
-static const struct pci_device_id b43_pci_bridge_tbl[] = {
- { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4311) },
- { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4312) },
- { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4318) },
- { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4319) },
- { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4320) },
- { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4321) },
- { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4324) },
- { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4325) },
- { 0, },
-};
-MODULE_DEVICE_TABLE(pci, b43_pci_bridge_tbl);
-
-static struct pci_driver b43_pci_bridge_driver = {
- .name = "b43-pci-bridge",
- .id_table = b43_pci_bridge_tbl,
-};
/* Channel and ratetables are shared for all devices.
* They can't be const, because ieee80211 puts some precalculated
* data in there. This data is the same for all devices, so we don't
* get concurrency issues */
#define RATETAB_ENT(_rateid, _flags) \
- { \
- .rate = B43_RATE_TO_BASE100KBPS(_rateid), \
- .val = (_rateid), \
- .val2 = (_rateid), \
- .flags = (_flags), \
+ { \
+ .bitrate = B43_RATE_TO_BASE100KBPS(_rateid), \
+ .hw_value = (_rateid), \
+ .flags = (_flags), \
}
+
+/*
+ * NOTE: When changing this, sync with xmit.c's
+ * b43_plcp_get_bitrate_idx_* functions!
+ */
static struct ieee80211_rate __b43_ratetable[] = {
- RATETAB_ENT(B43_CCK_RATE_1MB, IEEE80211_RATE_CCK),
- RATETAB_ENT(B43_CCK_RATE_2MB, IEEE80211_RATE_CCK_2),
- RATETAB_ENT(B43_CCK_RATE_5MB, IEEE80211_RATE_CCK_2),
- RATETAB_ENT(B43_CCK_RATE_11MB, IEEE80211_RATE_CCK_2),
- RATETAB_ENT(B43_OFDM_RATE_6MB, IEEE80211_RATE_OFDM),
- RATETAB_ENT(B43_OFDM_RATE_9MB, IEEE80211_RATE_OFDM),
- RATETAB_ENT(B43_OFDM_RATE_12MB, IEEE80211_RATE_OFDM),
- RATETAB_ENT(B43_OFDM_RATE_18MB, IEEE80211_RATE_OFDM),
- RATETAB_ENT(B43_OFDM_RATE_24MB, IEEE80211_RATE_OFDM),
- RATETAB_ENT(B43_OFDM_RATE_36MB, IEEE80211_RATE_OFDM),
- RATETAB_ENT(B43_OFDM_RATE_48MB, IEEE80211_RATE_OFDM),
- RATETAB_ENT(B43_OFDM_RATE_54MB, IEEE80211_RATE_OFDM),
+ RATETAB_ENT(B43_CCK_RATE_1MB, 0),
+ RATETAB_ENT(B43_CCK_RATE_2MB, IEEE80211_RATE_SHORT_PREAMBLE),
+ RATETAB_ENT(B43_CCK_RATE_5MB, IEEE80211_RATE_SHORT_PREAMBLE),
+ RATETAB_ENT(B43_CCK_RATE_11MB, IEEE80211_RATE_SHORT_PREAMBLE),
+ RATETAB_ENT(B43_OFDM_RATE_6MB, 0),
+ RATETAB_ENT(B43_OFDM_RATE_9MB, 0),
+ RATETAB_ENT(B43_OFDM_RATE_12MB, 0),
+ RATETAB_ENT(B43_OFDM_RATE_18MB, 0),
+ RATETAB_ENT(B43_OFDM_RATE_24MB, 0),
+ RATETAB_ENT(B43_OFDM_RATE_36MB, 0),
+ RATETAB_ENT(B43_OFDM_RATE_48MB, 0),
+ RATETAB_ENT(B43_OFDM_RATE_54MB, 0),
};
#define b43_a_ratetable (__b43_ratetable + 4)
#define CHANTAB_ENT(_chanid, _freq) \
{ \
- .chan = (_chanid), \
- .freq = (_freq), \
- .val = (_chanid), \
- .flag = IEEE80211_CHAN_W_SCAN | \
- IEEE80211_CHAN_W_ACTIVE_SCAN | \
- IEEE80211_CHAN_W_IBSS, \
- .power_level = 0xFF, \
- .antenna_max = 0xFF, \
+ .center_freq = (_freq), \
+ .hw_value = (_chanid), \
}
-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(14, 2484),
};
-#define b43_bg_chantable_size ARRAY_SIZE(b43_bg_chantable)
-static struct ieee80211_channel b43_a_chantable[] = {
+#ifdef NOTYET
+static struct ieee80211_channel b43_5ghz_chantable[] = {
CHANTAB_ENT(36, 5180),
CHANTAB_ENT(40, 5200),
CHANTAB_ENT(44, 5220),
CHANTAB_ENT(165, 5825),
};
-#define b43_a_chantable_size ARRAY_SIZE(b43_a_chantable)
+static struct ieee80211_supported_band b43_band_5GHz = {
+ .channels = b43_5ghz_chantable,
+ .n_channels = ARRAY_SIZE(b43_5ghz_chantable),
+ .bitrates = b43_a_ratetable,
+ .n_bitrates = b43_a_ratetable_size,
+};
+#endif
+
+static struct ieee80211_supported_band b43_band_2GHz = {
+ .channels = b43_2ghz_chantable,
+ .n_channels = ARRAY_SIZE(b43_2ghz_chantable),
+ .bitrates = b43_g_ratetable,
+ .n_bitrates = b43_g_ratetable_size,
+};
static void b43_wireless_core_exit(struct b43_wldev *dev);
static int b43_wireless_core_init(struct b43_wldev *dev);
b43_write32(dev, B43_MMIO_RAM_DATA, val);
}
-static inline
- void b43_shm_control_word(struct b43_wldev *dev, u16 routing, u16 offset)
+static inline void b43_shm_control_word(struct b43_wldev *dev,
+ u16 routing, u16 offset)
{
u32 control;
/* "offset" is the WORD offset. */
-
control = routing;
control <<= 16;
control |= offset;
u32 b43_shm_read32(struct b43_wldev *dev, u16 routing, u16 offset)
{
+ struct b43_wl *wl = dev->wl;
+ unsigned long flags;
u32 ret;
+ spin_lock_irqsave(&wl->shm_lock, flags);
if (routing == B43_SHM_SHARED) {
B43_WARN_ON(offset & 0x0001);
if (offset & 0x0003) {
b43_shm_control_word(dev, routing, (offset >> 2) + 1);
ret |= b43_read16(dev, B43_MMIO_SHM_DATA);
- return ret;
+ goto out;
}
offset >>= 2;
}
b43_shm_control_word(dev, routing, offset);
ret = b43_read32(dev, B43_MMIO_SHM_DATA);
+out:
+ spin_unlock_irqrestore(&wl->shm_lock, flags);
return ret;
}
u16 b43_shm_read16(struct b43_wldev * dev, u16 routing, u16 offset)
{
+ struct b43_wl *wl = dev->wl;
+ unsigned long flags;
u16 ret;
+ spin_lock_irqsave(&wl->shm_lock, flags);
if (routing == B43_SHM_SHARED) {
B43_WARN_ON(offset & 0x0001);
if (offset & 0x0003) {
b43_shm_control_word(dev, routing, offset >> 2);
ret = b43_read16(dev, B43_MMIO_SHM_DATA_UNALIGNED);
- return ret;
+ goto out;
}
offset >>= 2;
}
b43_shm_control_word(dev, routing, offset);
ret = b43_read16(dev, B43_MMIO_SHM_DATA);
+out:
+ spin_unlock_irqrestore(&wl->shm_lock, flags);
return ret;
}
void b43_shm_write32(struct b43_wldev *dev, u16 routing, u16 offset, u32 value)
{
+ struct b43_wl *wl = dev->wl;
+ unsigned long flags;
+
+ spin_lock_irqsave(&wl->shm_lock, flags);
if (routing == B43_SHM_SHARED) {
B43_WARN_ON(offset & 0x0001);
if (offset & 0x0003) {
/* Unaligned access */
b43_shm_control_word(dev, routing, offset >> 2);
- mmiowb();
b43_write16(dev, B43_MMIO_SHM_DATA_UNALIGNED,
(value >> 16) & 0xffff);
- mmiowb();
b43_shm_control_word(dev, routing, (offset >> 2) + 1);
- mmiowb();
b43_write16(dev, B43_MMIO_SHM_DATA, value & 0xffff);
- return;
+ goto out;
}
offset >>= 2;
}
b43_shm_control_word(dev, routing, offset);
- mmiowb();
b43_write32(dev, B43_MMIO_SHM_DATA, value);
+out:
+ spin_unlock_irqrestore(&wl->shm_lock, flags);
}
void b43_shm_write16(struct b43_wldev *dev, u16 routing, u16 offset, u16 value)
{
+ struct b43_wl *wl = dev->wl;
+ unsigned long flags;
+
+ spin_lock_irqsave(&wl->shm_lock, flags);
if (routing == B43_SHM_SHARED) {
B43_WARN_ON(offset & 0x0001);
if (offset & 0x0003) {
/* Unaligned access */
b43_shm_control_word(dev, routing, offset >> 2);
- mmiowb();
b43_write16(dev, B43_MMIO_SHM_DATA_UNALIGNED, value);
- return;
+ goto out;
}
offset >>= 2;
}
b43_shm_control_word(dev, routing, offset);
- mmiowb();
b43_write16(dev, B43_MMIO_SHM_DATA, value);
+out:
+ spin_unlock_irqrestore(&wl->shm_lock, flags);
}
/* Read HostFlags */
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)
u16 ram_offset,
u16 shm_size_offset, u8 rate)
{
- int len;
- const u8 *data;
+ unsigned int i, len, variable_len;
+ const struct ieee80211_mgmt *bcn;
+ const u8 *ie;
+ bool tim_found = 0;
- B43_WARN_ON(!dev->cached_beacon);
- len = min((size_t) dev->cached_beacon->len,
+ bcn = (const struct ieee80211_mgmt *)(dev->wl->current_beacon->data);
+ len = min((size_t) dev->wl->current_beacon->len,
0x200 - sizeof(struct b43_plcp_hdr6));
- data = (const u8 *)(dev->cached_beacon->data);
- b43_write_template_common(dev, data,
+
+ b43_write_template_common(dev, (const u8 *)bcn,
len, ram_offset, shm_size_offset, rate);
+
+ /* Find the position of the TIM and the DTIM_period value
+ * and write them to SHM. */
+ ie = bcn->u.beacon.variable;
+ variable_len = len - offsetof(struct ieee80211_mgmt, u.beacon.variable);
+ for (i = 0; i < variable_len - 2; ) {
+ uint8_t ie_id, ie_len;
+
+ ie_id = ie[i];
+ ie_len = ie[i + 1];
+ if (ie_id == 5) {
+ u16 tim_position;
+ u16 dtim_period;
+ /* This is the TIM Information Element */
+
+ /* Check whether the ie_len is in the beacon data range. */
+ if (variable_len < ie_len + 2 + i)
+ break;
+ /* A valid TIM is at least 4 bytes long. */
+ if (ie_len < 4)
+ break;
+ tim_found = 1;
+
+ tim_position = sizeof(struct b43_plcp_hdr6);
+ tim_position += offsetof(struct ieee80211_mgmt, u.beacon.variable);
+ tim_position += i;
+
+ dtim_period = ie[i + 3];
+
+ b43_shm_write16(dev, B43_SHM_SHARED,
+ B43_SHM_SH_TIMBPOS, tim_position);
+ b43_shm_write16(dev, B43_SHM_SHARED,
+ B43_SHM_SH_DTIMPER, dtim_period);
+ break;
+ }
+ i += ie_len + 2;
+ }
+ if (!tim_found) {
+ b43warn(dev->wl, "Did not find a valid TIM IE in "
+ "the beacon template packet. AP or IBSS operation "
+ "may be broken.\n");
+ }
}
static void b43_write_probe_resp_plcp(struct b43_wldev *dev,
- u16 shm_offset, u16 size, u8 rate)
+ u16 shm_offset, u16 size,
+ struct ieee80211_rate *rate)
{
struct b43_plcp_hdr4 plcp;
u32 tmp;
__le16 dur;
plcp.data = 0;
- b43_generate_plcp_hdr(&plcp, size + FCS_LEN, rate);
+ b43_generate_plcp_hdr(&plcp, size + FCS_LEN, rate->hw_value);
dur = ieee80211_generic_frame_duration(dev->wl->hw,
- dev->wl->if_id, size,
- B43_RATE_TO_BASE100KBPS(rate));
+ dev->wl->vif, size,
+ rate);
/* Write PLCP in two parts and timing for packet transfer */
tmp = le32_to_cpu(plcp.data);
b43_shm_write16(dev, B43_SHM_SHARED, shm_offset, tmp & 0xFFFF);
* 2) Patching duration field
* 3) Stripping TIM
*/
-static u8 *b43_generate_probe_resp(struct b43_wldev *dev,
- u16 * dest_size, u8 rate)
+static const u8 * b43_generate_probe_resp(struct b43_wldev *dev,
+ u16 *dest_size,
+ struct ieee80211_rate *rate)
{
const u8 *src_data;
u8 *dest_data;
u16 src_size, elem_size, src_pos, dest_pos;
__le16 dur;
struct ieee80211_hdr *hdr;
+ size_t ie_start;
+
+ src_size = dev->wl->current_beacon->len;
+ src_data = (const u8 *)dev->wl->current_beacon->data;
- B43_WARN_ON(!dev->cached_beacon);
- src_size = dev->cached_beacon->len;
- src_data = (const u8 *)dev->cached_beacon->data;
+ /* Get the start offset of the variable IEs in the packet. */
+ ie_start = offsetof(struct ieee80211_mgmt, u.probe_resp.variable);
+ B43_WARN_ON(ie_start != offsetof(struct ieee80211_mgmt, u.beacon.variable));
- if (unlikely(src_size < 0x24)) {
- b43dbg(dev->wl, "b43_generate_probe_resp: " "invalid beacon\n");
+ if (B43_WARN_ON(src_size < ie_start))
return NULL;
- }
dest_data = kmalloc(src_size, GFP_ATOMIC);
if (unlikely(!dest_data))
return NULL;
- /* 0x24 is offset of first variable-len Information-Element
- * in beacon frame.
- */
- memcpy(dest_data, src_data, 0x24);
- src_pos = dest_pos = 0x24;
- for (; src_pos < src_size - 2; src_pos += elem_size) {
+ /* Copy the static data and all Information Elements, except the TIM. */
+ memcpy(dest_data, src_data, ie_start);
+ src_pos = ie_start;
+ dest_pos = ie_start;
+ for ( ; src_pos < src_size - 2; src_pos += elem_size) {
elem_size = src_data[src_pos + 1] + 2;
- if (src_data[src_pos] != 0x05) { /* TIM */
- memcpy(dest_data + dest_pos, src_data + src_pos,
- elem_size);
- dest_pos += elem_size;
+ if (src_data[src_pos] == 5) {
+ /* This is the TIM. */
+ continue;
}
+ memcpy(dest_data + dest_pos, src_data + src_pos,
+ elem_size);
+ dest_pos += elem_size;
}
*dest_size = dest_pos;
hdr = (struct ieee80211_hdr *)dest_data;
hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
IEEE80211_STYPE_PROBE_RESP);
dur = ieee80211_generic_frame_duration(dev->wl->hw,
- dev->wl->if_id, *dest_size,
- B43_RATE_TO_BASE100KBPS(rate));
+ dev->wl->vif, *dest_size,
+ rate);
hdr->duration_id = dur;
return dest_data;
static void b43_write_probe_resp_template(struct b43_wldev *dev,
u16 ram_offset,
- u16 shm_size_offset, u8 rate)
+ u16 shm_size_offset,
+ struct ieee80211_rate *rate)
{
- u8 *probe_resp_data;
+ const u8 *probe_resp_data;
u16 size;
- B43_WARN_ON(!dev->cached_beacon);
- size = dev->cached_beacon->len;
+ size = dev->wl->current_beacon->len;
probe_resp_data = b43_generate_probe_resp(dev, &size, rate);
if (unlikely(!probe_resp_data))
return;
/* Looks like PLCP headers plus packet timings are stored for
* all possible basic rates
*/
- b43_write_probe_resp_plcp(dev, 0x31A, size, B43_CCK_RATE_1MB);
- b43_write_probe_resp_plcp(dev, 0x32C, size, B43_CCK_RATE_2MB);
- b43_write_probe_resp_plcp(dev, 0x33E, size, B43_CCK_RATE_5MB);
- b43_write_probe_resp_plcp(dev, 0x350, size, B43_CCK_RATE_11MB);
+ b43_write_probe_resp_plcp(dev, 0x31A, size, &b43_b_ratetable[0]);
+ b43_write_probe_resp_plcp(dev, 0x32C, size, &b43_b_ratetable[1]);
+ b43_write_probe_resp_plcp(dev, 0x33E, size, &b43_b_ratetable[2]);
+ b43_write_probe_resp_plcp(dev, 0x350, size, &b43_b_ratetable[3]);
size = min((size_t) size, 0x200 - sizeof(struct b43_plcp_hdr6));
b43_write_template_common(dev, probe_resp_data,
- size, ram_offset, shm_size_offset, rate);
+ size, ram_offset, shm_size_offset,
+ rate->hw_value);
kfree(probe_resp_data);
}
-static int b43_refresh_cached_beacon(struct b43_wldev *dev,
- struct sk_buff *beacon)
-{
- if (dev->cached_beacon)
- kfree_skb(dev->cached_beacon);
- dev->cached_beacon = beacon;
-
- return 0;
-}
-
-static void b43_update_templates(struct b43_wldev *dev)
-{
- u32 status;
-
- B43_WARN_ON(!dev->cached_beacon);
-
- b43_write_beacon_template(dev, 0x68, 0x18, B43_CCK_RATE_1MB);
- 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);
-}
-
-static void b43_refresh_templates(struct b43_wldev *dev, struct sk_buff *beacon)
+/* Asynchronously update the packet templates in template RAM.
+ * Locking: Requires wl->irq_lock to be locked. */
+static void b43_update_templates(struct b43_wl *wl, struct sk_buff *beacon)
{
- int err;
+ /* This is the top half of the ansynchronous beacon update.
+ * The bottom half is the beacon IRQ.
+ * Beacon update must be asynchronous to avoid sending an
+ * invalid beacon. This can happen for example, if the firmware
+ * transmits a beacon while we are updating it. */
- err = b43_refresh_cached_beacon(dev, beacon);
- if (unlikely(err))
- return;
- b43_update_templates(dev);
+ if (wl->current_beacon)
+ dev_kfree_skb_any(wl->current_beacon);
+ wl->current_beacon = beacon;
+ wl->beacon0_uploaded = 0;
+ wl->beacon1_uploaded = 0;
}
static void b43_set_ssid(struct b43_wldev *dev, const u8 * ssid, u8 ssid_len)
static void handle_irq_beacon(struct b43_wldev *dev)
{
- u32 status;
+ struct b43_wl *wl = dev->wl;
+ u32 cmd;
- if (!b43_is_mode(dev->wl, IEEE80211_IF_TYPE_AP))
+ if (!b43_is_mode(wl, IEEE80211_IF_TYPE_AP))
return;
- dev->irq_savedstate &= ~B43_IRQ_BEACON;
- status = b43_read32(dev, B43_MMIO_STATUS2_BITFIELD);
+ /* This is the bottom half of the asynchronous beacon update. */
- if (!dev->cached_beacon || ((status & 0x1) && (status & 0x2))) {
- /* ACK beacon IRQ. */
- b43_write32(dev, B43_MMIO_GEN_IRQ_REASON, B43_IRQ_BEACON);
- dev->irq_savedstate |= B43_IRQ_BEACON;
- if (dev->cached_beacon)
- kfree_skb(dev->cached_beacon);
- dev->cached_beacon = NULL;
- return;
- }
- if (!(status & 0x1)) {
- b43_write_beacon_template(dev, 0x68, 0x18, B43_CCK_RATE_1MB);
- status |= 0x1;
- b43_write32(dev, B43_MMIO_STATUS2_BITFIELD, status);
+ cmd = b43_read32(dev, B43_MMIO_MACCMD);
+ if (!(cmd & B43_MACCMD_BEACON0_VALID)) {
+ if (!wl->beacon0_uploaded) {
+ b43_write_beacon_template(dev, 0x68, 0x18,
+ B43_CCK_RATE_1MB);
+ b43_write_probe_resp_template(dev, 0x268, 0x4A,
+ &__b43_ratetable[3]);
+ wl->beacon0_uploaded = 1;
+ }
+ cmd |= B43_MACCMD_BEACON0_VALID;
}
- if (!(status & 0x2)) {
- b43_write_beacon_template(dev, 0x468, 0x1A, B43_CCK_RATE_1MB);
- status |= 0x2;
- b43_write32(dev, B43_MMIO_STATUS2_BITFIELD, status);
+ if (!(cmd & B43_MACCMD_BEACON1_VALID)) {
+ if (!wl->beacon1_uploaded) {
+ b43_write_beacon_template(dev, 0x468, 0x1A,
+ B43_CCK_RATE_1MB);
+ wl->beacon1_uploaded = 1;
+ }
+ cmd |= B43_MACCMD_BEACON1_VALID;
}
+ b43_write32(dev, B43_MMIO_MACCMD, cmd);
}
static void handle_irq_ucode_debug(struct b43_wldev *dev)
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]);
return ret;
}
+static void do_release_fw(struct b43_firmware_file *fw)
+{
+ release_firmware(fw->data);
+ fw->data = NULL;
+ fw->filename = NULL;
+}
+
static void b43_release_firmware(struct b43_wldev *dev)
{
- release_firmware(dev->fw.ucode);
- dev->fw.ucode = NULL;
- release_firmware(dev->fw.pcm);
- dev->fw.pcm = NULL;
- release_firmware(dev->fw.initvals);
- dev->fw.initvals = NULL;
- release_firmware(dev->fw.initvals_band);
- dev->fw.initvals_band = NULL;
+ do_release_fw(&dev->fw.ucode);
+ do_release_fw(&dev->fw.pcm);
+ do_release_fw(&dev->fw.initvals);
+ do_release_fw(&dev->fw.initvals_band);
}
-static void b43_print_fw_helptext(struct b43_wl *wl)
+static void b43_print_fw_helptext(struct b43_wl *wl, bool error)
{
- b43err(wl, "You must go to "
- "http://linuxwireless.org/en/users/Drivers/bcm43xx#devicefirmware "
- "and download the correct firmware (version 4).\n");
+ const char *text;
+
+ text = "You must go to "
+ "http://linuxwireless.org/en/users/Drivers/b43#devicefirmware "
+ "and download the latest firmware (version 4).\n";
+ if (error)
+ b43err(wl, text);
+ else
+ b43warn(wl, text);
}
static int do_request_fw(struct b43_wldev *dev,
const char *name,
- const struct firmware **fw)
+ struct b43_firmware_file *fw)
{
char path[sizeof(modparam_fwpostfix) + 32];
+ const struct firmware *blob;
struct b43_fw_header *hdr;
u32 size;
int err;
- if (!name)
+ if (!name) {
+ /* Don't fetch anything. Free possibly cached firmware. */
+ do_release_fw(fw);
return 0;
+ }
+ if (fw->filename) {
+ if (strcmp(fw->filename, name) == 0)
+ return 0; /* Already have this fw. */
+ /* Free the cached firmware first. */
+ do_release_fw(fw);
+ }
snprintf(path, ARRAY_SIZE(path),
"b43%s/%s.fw",
modparam_fwpostfix, name);
- err = request_firmware(fw, path, dev->dev->dev);
+ err = request_firmware(&blob, path, dev->dev->dev);
if (err) {
b43err(dev->wl, "Firmware file \"%s\" not found "
"or load failed.\n", path);
return err;
}
- if ((*fw)->size < sizeof(struct b43_fw_header))
+ if (blob->size < sizeof(struct b43_fw_header))
goto err_format;
- hdr = (struct b43_fw_header *)((*fw)->data);
+ hdr = (struct b43_fw_header *)(blob->data);
switch (hdr->type) {
case B43_FW_TYPE_UCODE:
case B43_FW_TYPE_PCM:
size = be32_to_cpu(hdr->size);
- if (size != (*fw)->size - sizeof(struct b43_fw_header))
+ if (size != blob->size - sizeof(struct b43_fw_header))
goto err_format;
/* fallthrough */
case B43_FW_TYPE_IV:
goto err_format;
}
- return err;
+ fw->data = blob;
+ fw->filename = name;
+
+ return 0;
err_format:
b43err(dev->wl, "Firmware file \"%s\" format error.\n", path);
+ release_firmware(blob);
+
return -EPROTO;
}
u32 tmshigh;
int err;
+ /* Get microcode */
tmshigh = ssb_read32(dev->dev, SSB_TMSHIGH);
- if (!fw->ucode) {
+ if ((rev >= 5) && (rev <= 10))
+ filename = "ucode5";
+ else if ((rev >= 11) && (rev <= 12))
+ filename = "ucode11";
+ else if (rev >= 13)
+ filename = "ucode13";
+ else
+ goto err_no_ucode;
+ err = do_request_fw(dev, filename, &fw->ucode);
+ if (err)
+ goto err_load;
+
+ /* Get PCM code */
+ if ((rev >= 5) && (rev <= 10))
+ filename = "pcm5";
+ else if (rev >= 11)
+ filename = NULL;
+ else
+ goto err_no_pcm;
+ err = do_request_fw(dev, filename, &fw->pcm);
+ if (err)
+ goto err_load;
+
+ /* Get initvals */
+ switch (dev->phy.type) {
+ case B43_PHYTYPE_A:
+ if ((rev >= 5) && (rev <= 10)) {
+ if (tmshigh & B43_TMSHIGH_HAVE_2GHZ_PHY)
+ filename = "a0g1initvals5";
+ else
+ filename = "a0g0initvals5";
+ } else
+ goto err_no_initvals;
+ break;
+ case B43_PHYTYPE_G:
if ((rev >= 5) && (rev <= 10))
- filename = "ucode5";
- else if ((rev >= 11) && (rev <= 12))
- filename = "ucode11";
+ filename = "b0g0initvals5";
else if (rev >= 13)
- filename = "ucode13";
+ filename = "lp0initvals13";
else
- goto err_no_ucode;
- err = do_request_fw(dev, filename, &fw->ucode);
- if (err)
- goto err_load;
+ goto err_no_initvals;
+ break;
+ case B43_PHYTYPE_N:
+ if ((rev >= 11) && (rev <= 12))
+ filename = "n0initvals11";
+ else
+ goto err_no_initvals;
+ break;
+ default:
+ goto err_no_initvals;
}
- if (!fw->pcm) {
+ err = do_request_fw(dev, filename, &fw->initvals);
+ if (err)
+ goto err_load;
+
+ /* Get bandswitch initvals */
+ switch (dev->phy.type) {
+ case B43_PHYTYPE_A:
+ if ((rev >= 5) && (rev <= 10)) {
+ if (tmshigh & B43_TMSHIGH_HAVE_2GHZ_PHY)
+ filename = "a0g1bsinitvals5";
+ else
+ filename = "a0g0bsinitvals5";
+ } else if (rev >= 11)
+ filename = NULL;
+ else
+ goto err_no_initvals;
+ break;
+ case B43_PHYTYPE_G:
if ((rev >= 5) && (rev <= 10))
- filename = "pcm5";
+ filename = "b0g0bsinitvals5";
else if (rev >= 11)
filename = NULL;
else
- goto err_no_pcm;
- err = do_request_fw(dev, filename, &fw->pcm);
- if (err)
- goto err_load;
- }
- if (!fw->initvals) {
- switch (dev->phy.type) {
- case B43_PHYTYPE_A:
- if ((rev >= 5) && (rev <= 10)) {
- if (tmshigh & B43_TMSHIGH_GPHY)
- filename = "a0g1initvals5";
- else
- filename = "a0g0initvals5";
- } else
- goto err_no_initvals;
- break;
- case B43_PHYTYPE_G:
- if ((rev >= 5) && (rev <= 10))
- filename = "b0g0initvals5";
- else if (rev >= 13)
- filename = "lp0initvals13";
- else
- goto err_no_initvals;
- break;
- default:
goto err_no_initvals;
- }
- err = do_request_fw(dev, filename, &fw->initvals);
- if (err)
- goto err_load;
- }
- if (!fw->initvals_band) {
- switch (dev->phy.type) {
- case B43_PHYTYPE_A:
- if ((rev >= 5) && (rev <= 10)) {
- if (tmshigh & B43_TMSHIGH_GPHY)
- filename = "a0g1bsinitvals5";
- else
- filename = "a0g0bsinitvals5";
- } else if (rev >= 11)
- filename = NULL;
- else
- goto err_no_initvals;
- break;
- case B43_PHYTYPE_G:
- if ((rev >= 5) && (rev <= 10))
- filename = "b0g0bsinitvals5";
- else if (rev >= 11)
- filename = NULL;
- else
- goto err_no_initvals;
- break;
- default:
+ break;
+ case B43_PHYTYPE_N:
+ if ((rev >= 11) && (rev <= 12))
+ filename = "n0bsinitvals11";
+ else
goto err_no_initvals;
- }
- err = do_request_fw(dev, filename, &fw->initvals_band);
- if (err)
- goto err_load;
+ break;
+ default:
+ goto err_no_initvals;
}
+ err = do_request_fw(dev, filename, &fw->initvals_band);
+ if (err)
+ goto err_load;
return 0;
err_load:
- b43_print_fw_helptext(dev->wl);
+ b43_print_fw_helptext(dev->wl, 1);
goto error;
err_no_ucode:
const __be32 *data;
unsigned int i, len;
u16 fwrev, fwpatch, fwdate, fwtime;
- u32 tmp;
+ u32 tmp, macctl;
int err = 0;
+ /* Jump the microcode PSM to offset 0 */
+ macctl = b43_read32(dev, B43_MMIO_MACCTL);
+ B43_WARN_ON(macctl & B43_MACCTL_PSM_RUN);
+ macctl |= B43_MACCTL_PSM_JMP0;
+ b43_write32(dev, B43_MMIO_MACCTL, macctl);
+ /* Zero out all microcode PSM registers and shared memory. */
+ for (i = 0; i < 64; i++)
+ b43_shm_write16(dev, B43_SHM_SCRATCH, i, 0);
+ for (i = 0; i < 4096; i += 2)
+ b43_shm_write16(dev, B43_SHM_SHARED, i, 0);
+
/* Upload Microcode. */
- data = (__be32 *) (dev->fw.ucode->data + hdr_len);
- len = (dev->fw.ucode->size - hdr_len) / sizeof(__be32);
+ data = (__be32 *) (dev->fw.ucode.data->data + hdr_len);
+ len = (dev->fw.ucode.data->size - hdr_len) / sizeof(__be32);
b43_shm_control_word(dev, B43_SHM_UCODE | B43_SHM_AUTOINC_W, 0x0000);
for (i = 0; i < len; i++) {
b43_write32(dev, B43_MMIO_SHM_DATA, be32_to_cpu(data[i]));
udelay(10);
}
- if (dev->fw.pcm) {
+ if (dev->fw.pcm.data) {
/* Upload PCM data. */
- data = (__be32 *) (dev->fw.pcm->data + hdr_len);
- len = (dev->fw.pcm->size - hdr_len) / sizeof(__be32);
+ data = (__be32 *) (dev->fw.pcm.data->data + hdr_len);
+ len = (dev->fw.pcm.data->size - hdr_len) / sizeof(__be32);
b43_shm_control_word(dev, B43_SHM_HW, 0x01EA);
b43_write32(dev, B43_MMIO_SHM_DATA, 0x00004000);
/* No need for autoinc bit in SHM_HW */
}
b43_write32(dev, B43_MMIO_GEN_IRQ_REASON, B43_IRQ_ALL);
- b43_write32(dev, B43_MMIO_MACCTL,
- B43_MACCTL_PSM_RUN |
- B43_MACCTL_IHR_ENABLED | B43_MACCTL_INFRA);
+
+ /* Start the microcode PSM */
+ macctl = b43_read32(dev, B43_MMIO_MACCTL);
+ macctl &= ~B43_MACCTL_PSM_JMP0;
+ macctl |= B43_MACCTL_PSM_RUN;
+ b43_write32(dev, B43_MMIO_MACCTL, macctl);
/* Wait for the microcode to load and respond */
i = 0;
if (tmp == B43_IRQ_MAC_SUSPENDED)
break;
i++;
- if (i >= 50) {
+ if (i >= 20) {
b43err(dev->wl, "Microcode not responding\n");
- b43_print_fw_helptext(dev->wl);
+ b43_print_fw_helptext(dev->wl, 1);
err = -ENODEV;
- goto out;
+ goto error;
+ }
+ msleep_interruptible(50);
+ if (signal_pending(current)) {
+ err = -EINTR;
+ goto error;
}
- udelay(10);
}
b43_read32(dev, B43_MMIO_GEN_IRQ_REASON); /* dummy read */
b43err(dev->wl, "YOUR FIRMWARE IS TOO OLD. Firmware from "
"binary drivers older than version 4.x is unsupported. "
"You must upgrade your firmware files.\n");
- b43_print_fw_helptext(dev->wl);
- b43_write32(dev, B43_MMIO_MACCTL, 0);
+ b43_print_fw_helptext(dev->wl, 1);
err = -EOPNOTSUPP;
- goto out;
+ goto error;
}
b43dbg(dev->wl, "Loading firmware version %u.%u "
"(20%.2i-%.2i-%.2i %.2i:%.2i:%.2i)\n",
dev->fw.rev = fwrev;
dev->fw.patch = fwpatch;
- out:
+ if (b43_is_old_txhdr_format(dev)) {
+ b43warn(dev->wl, "You are using an old firmware image. "
+ "Support for old firmware will be removed in July 2008.\n");
+ b43_print_fw_helptext(dev->wl, 0);
+ }
+
+ return 0;
+
+error:
+ macctl = b43_read32(dev, B43_MMIO_MACCTL);
+ macctl &= ~B43_MACCTL_PSM_RUN;
+ macctl |= B43_MACCTL_PSM_JMP0;
+ b43_write32(dev, B43_MMIO_MACCTL, macctl);
+
return err;
}
err_format:
b43err(dev->wl, "Initial Values Firmware file-format error.\n");
- b43_print_fw_helptext(dev->wl);
+ b43_print_fw_helptext(dev->wl, 1);
return -EPROTO;
}
size_t count;
int err;
- hdr = (const struct b43_fw_header *)(fw->initvals->data);
- ivals = (const struct b43_iv *)(fw->initvals->data + hdr_len);
+ hdr = (const struct b43_fw_header *)(fw->initvals.data->data);
+ ivals = (const struct b43_iv *)(fw->initvals.data->data + hdr_len);
count = be32_to_cpu(hdr->size);
err = b43_write_initvals(dev, ivals, count,
- fw->initvals->size - hdr_len);
+ fw->initvals.data->size - hdr_len);
if (err)
goto out;
- if (fw->initvals_band) {
- hdr = (const struct b43_fw_header *)(fw->initvals_band->data);
- ivals = (const struct b43_iv *)(fw->initvals_band->data + hdr_len);
+ if (fw->initvals_band.data) {
+ hdr = (const struct b43_fw_header *)(fw->initvals_band.data->data);
+ ivals = (const struct b43_iv *)(fw->initvals_band.data->data + hdr_len);
count = be32_to_cpu(hdr->size);
err = b43_write_initvals(dev, ivals, count,
- fw->initvals_band->size - hdr_len);
+ fw->initvals_band.data->size - hdr_len);
if (err)
goto out;
}
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);
switch (dev->phy.type) {
case B43_PHYTYPE_A:
case B43_PHYTYPE_G:
+ case B43_PHYTYPE_N:
b43_rate_memory_write(dev, B43_OFDM_RATE_6MB, 1);
b43_rate_memory_write(dev, B43_OFDM_RATE_12MB, 1);
b43_rate_memory_write(dev, B43_OFDM_RATE_18MB, 1);
switch (antenna) {
case B43_ANTENNA0:
- ant |= B43_TX4_PHY_ANT0;
+ ant |= B43_TXH_PHY_ANT0;
break;
case B43_ANTENNA1:
- ant |= B43_TX4_PHY_ANT1;
+ ant |= B43_TXH_PHY_ANT1;
+ break;
+ case B43_ANTENNA2:
+ ant |= B43_TXH_PHY_ANT2;
+ break;
+ case B43_ANTENNA3:
+ ant |= B43_TXH_PHY_ANT3;
break;
case B43_ANTENNA_AUTO:
- ant |= B43_TX4_PHY_ANTLAST;
+ ant |= B43_TXH_PHY_ANT01AUTO;
break;
default:
B43_WARN_ON(1);
/* For Beacons */
tmp = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_BEACPHYCTL);
- tmp = (tmp & ~B43_TX4_PHY_ANT) | ant;
+ tmp = (tmp & ~B43_TXH_PHY_ANT) | ant;
b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_BEACPHYCTL, tmp);
/* For ACK/CTS */
tmp = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_ACKCTSPHYCTL);
- tmp = (tmp & ~B43_TX4_PHY_ANT) | ant;
+ tmp = (tmp & ~B43_TXH_PHY_ANT) | ant;
b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_ACKCTSPHYCTL, tmp);
/* For Probe Resposes */
tmp = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_PRPHYCTL);
- tmp = (tmp & ~B43_TX4_PHY_ANT) | ant;
+ tmp = (tmp & ~B43_TXH_PHY_ANT) | ant;
b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_PRPHYCTL, tmp);
}
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 */
}
{
struct b43_phy *phy = &dev->phy;
int err, tmp;
- u32 value32;
+ u32 value32, macctl;
u16 value16;
- b43_write32(dev, B43_MMIO_MACCTL,
- B43_MACCTL_PSM_JMP0 | B43_MACCTL_IHR_ENABLED);
+ /* Initialize the MAC control */
+ macctl = B43_MACCTL_IHR_ENABLED | B43_MACCTL_SHM_ENABLED;
+ if (dev->phy.gmode)
+ macctl |= B43_MACCTL_GMODE;
+ macctl |= B43_MACCTL_INFRA;
+ b43_write32(dev, B43_MMIO_MACCTL, macctl);
err = b43_request_firmware(dev);
if (err)
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;
}
{
struct b43_phy *phy = &dev->phy;
+ if (phy->type != B43_PHYTYPE_G)
+ return;
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;
return B43_ANTENNA0;
case 2: /* Antenna 1 */
return B43_ANTENNA1;
+ case 3: /* Antenna 2 */
+ return B43_ANTENNA2;
+ case 4: /* Antenna 3 */
+ return B43_ANTENNA3;
default:
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). */
- switch (conf->phymode) {
- case MODE_IEEE80211A:
+ switch (conf->channel->band) {
+ case IEEE80211_BAND_5GHZ:
new_phymode = B43_PHYMODE_A;
break;
- case MODE_IEEE80211B:
- new_phymode = B43_PHYMODE_B;
- break;
- case MODE_IEEE80211G:
+ case IEEE80211_BAND_2GHZ:
new_phymode = B43_PHYMODE_G;
break;
default:
/* Switch to the requested channel.
* The firmware takes care of races with the TX handler. */
- if (conf->channel_val != phy->channel)
- b43_radio_selectchannel(dev, conf->channel_val, 0);
+ if (conf->channel->hw_value != phy->channel)
+ b43_radio_selectchannel(dev, conf->channel->hw_value, 0);
/* Enable/Disable ShortSlot timing. */
if ((!!(conf->flags & IEEE80211_CONF_SHORT_SLOT_TIME)) !=
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: " MAC_FMT "\n",
+ "mac: %s\n",
cmd == SET_KEY ? "Using" : "Disabling", key->keyidx,
- MAC_ARG(addr));
+ print_mac(mac, addr));
}
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,
+ struct ieee80211_vif *vif,
+ struct ieee80211_if_conf *conf)
{
struct b43_wl *wl = hw_to_b43_wl(hw);
struct b43_wldev *dev = wl->current_dev;
return -ENODEV;
mutex_lock(&wl->mutex);
spin_lock_irqsave(&wl->irq_lock, flags);
- B43_WARN_ON(wl->if_id != if_id);
+ B43_WARN_ON(wl->vif != vif);
if (conf->bssid)
memcpy(wl->bssid, conf->bssid, ETH_ALEN);
else
B43_WARN_ON(conf->type != IEEE80211_IF_TYPE_AP);
b43_set_ssid(dev, conf->ssid, conf->ssid_len);
if (conf->beacon)
- b43_refresh_templates(dev, conf->beacon);
+ b43_update_templates(wl, conf->beacon);
}
b43_write_mac_bssid_templates(dev);
}
if (b43_status(dev) < B43_STAT_STARTED)
return;
+
+ /* Disable and sync interrupts. We must do this before than
+ * setting the status to INITIALIZED, as the interrupt handler
+ * won't care about IRQs then. */
+ spin_lock_irqsave(&wl->irq_lock, flags);
+ dev->irq_savedstate = b43_interrupt_disable(dev, B43_IRQ_ALL);
+ b43_read32(dev, B43_MMIO_GEN_IRQ_MASK); /* flush */
+ spin_unlock_irqrestore(&wl->irq_lock, flags);
+ b43_synchronize_irq(dev);
+
b43_set_status(dev, B43_STAT_INITIALIZED);
mutex_unlock(&wl->mutex);
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);
- dev->irq_savedstate = b43_interrupt_disable(dev, B43_IRQ_ALL);
- b43_read32(dev, B43_MMIO_GEN_IRQ_MASK); /* flush */
- spin_unlock_irqrestore(&wl->irq_lock, flags);
- b43_synchronize_irq(dev);
-
b43_mac_suspend(dev);
free_irq(dev->dev->irq, dev);
b43dbg(wl, "Wireless interface stopped\n");
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;
};
tmp = 0x5205017F;
} else {
b43_write16(dev, B43_MMIO_RADIO_CONTROL, B43_RADIOCTL_ID);
- tmp = b43_read16(dev, B43_MMIO_RADIO_DATA_HIGH);
- tmp <<= 16;
+ tmp = b43_read16(dev, B43_MMIO_RADIO_DATA_LOW);
b43_write16(dev, B43_MMIO_RADIO_CONTROL, B43_RADIOCTL_ID);
- tmp |= b43_read16(dev, B43_MMIO_RADIO_DATA_LOW);
+ tmp |= (u32)b43_read16(dev, B43_MMIO_RADIO_DATA_HIGH) << 16;
}
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 != 0x2055)
+ 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)
{
struct b43_phy *phy = &dev->phy;
+ u32 macctl;
B43_WARN_ON(b43_status(dev) > B43_STAT_INITIALIZED);
if (b43_status(dev) != B43_STAT_INITIALIZED)
return;
b43_set_status(dev, B43_STAT_UNINIT);
- mutex_unlock(&dev->wl->mutex);
- b43_rfkill_exit(dev);
- mutex_lock(&dev->wl->mutex);
+ /* Stop the microcode PSM. */
+ macctl = b43_read32(dev, B43_MMIO_MACCTL);
+ macctl &= ~B43_MACCTL_PSM_RUN;
+ macctl |= B43_MACCTL_PSM_JMP0;
+ b43_write32(dev, B43_MMIO_MACCTL, macctl);
+ 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);
kfree(phy->tssi2dbm);
kfree(phy->lo_control);
phy->lo_control = NULL;
+ if (dev->wl->current_beacon) {
+ dev_kfree_skb_any(dev->wl->current_beacon);
+ dev->wl->current_beacon = NULL;
+ }
+
ssb_device_disable(dev->dev, 0);
ssb_bus_may_powerdown(dev->dev->bus);
}
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
b43_bluetooth_coext_enable(dev);
ssb_bus_powerup(bus, 1); /* Enable dynamic PCTL */
- memset(wl->bssid, 0, ETH_ALEN);
- 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;
dev = wl->current_dev;
wl->operating = 1;
- wl->if_id = conf->if_id;
+ wl->vif = conf->vif;
wl->if_type = conf->type;
memcpy(wl->mac_addr, conf->mac_addr, ETH_ALEN);
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_lock(&wl->mutex);
B43_WARN_ON(!wl->operating);
- B43_WARN_ON(wl->if_id != conf->if_id);
+ B43_WARN_ON(wl->vif != conf->vif);
+ wl->vif = NULL;
wl->operating = 0;
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;
+ bool do_rfkill_exit = 0;
+
+ /* Kill all old instance specific information to make sure
+ * the card won't use it in the short timeframe between start
+ * and mac80211 reconfiguring it. */
+ memset(wl->bssid, 0, ETH_ALEN);
+ memset(wl->mac_addr, 0, ETH_ALEN);
+ wl->filter_flags = 0;
+ wl->radiotap_enabled = 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) {
err = b43_wireless_core_init(dev);
- if (err)
+ if (err) {
+ do_rfkill_exit = 1;
goto out_mutex_unlock;
+ }
did_init = 1;
}
if (err) {
if (did_init)
b43_wireless_core_exit(dev);
+ do_rfkill_exit = 1;
goto out_mutex_unlock;
}
}
out_mutex_unlock:
mutex_unlock(&wl->mutex);
+ if (do_rfkill_exit)
+ b43_rfkill_exit(dev);
+
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 int b43_op_beacon_set_tim(struct ieee80211_hw *hw, int aid, int set)
+{
+ struct b43_wl *wl = hw_to_b43_wl(hw);
+ struct sk_buff *beacon;
+ unsigned long flags;
+
+ /* We could modify the existing beacon and set the aid bit in
+ * the TIM field, but that would probably require resizing and
+ * moving of data within the beacon template.
+ * Simply request a new beacon and let mac80211 do the hard work. */
+ beacon = ieee80211_beacon_get(hw, wl->vif, NULL);
+ if (unlikely(!beacon))
+ return -ENOMEM;
+ spin_lock_irqsave(&wl->irq_lock, flags);
+ b43_update_templates(wl, beacon);
+ spin_unlock_irqrestore(&wl->irq_lock, flags);
+
+ return 0;
+}
+
+static int b43_op_ibss_beacon_update(struct ieee80211_hw *hw,
+ struct sk_buff *beacon,
+ struct ieee80211_tx_control *ctl)
+{
+ struct b43_wl *wl = hw_to_b43_wl(hw);
+ unsigned long flags;
+
+ spin_lock_irqsave(&wl->irq_lock, flags);
+ b43_update_templates(wl, beacon);
+ spin_unlock_irqrestore(&wl->irq_lock, flags);
+
+ return 0;
+}
+
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,
+ .set_tim = b43_op_beacon_set_tim,
+ .beacon_update = b43_op_ibss_beacon_update,
};
/* 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. */
+
+ hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &b43_band_2GHz;
+ phy->possible_phymodes |= B43_PHYMODE_G;
return 0;
}
static void b43_wireless_core_detach(struct b43_wldev *dev)
{
- b43_rfkill_free(dev);
/* We release firmware that late to not be required to re-request
* is all the time when we reinit the core. */
b43_release_firmware(dev);
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;
if (!wl->current_dev)
wl->current_dev = dev;
INIT_WORK(&dev->restart_work, b43_chip_reset);
- b43_rfkill_alloc(dev);
b43_radio_turn_off(dev, 1);
b43_switch_analog(dev, 0);
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);
wl->hw = hw;
spin_lock_init(&wl->irq_lock);
spin_lock_init(&wl->leds_lock);
+ spin_lock_init(&wl->shm_lock);
mutex_init(&wl->mutex);
INIT_LIST_HEAD(&wl->devlist);
.resume = b43_resume,
};
-inline int b43_pci_ssb_bridge_init(void)
-{
- return ssb_pcihost_register(&b43_pci_bridge_driver);
-}
-
-inline void b43_pci_ssb_bridge_exit(void)
-{
- ssb_pcihost_unregister(&b43_pci_bridge_driver);
-}
-
static int __init b43_init(void)
{
int err;
err = b43_pcmcia_init();
if (err)
goto err_dfs_exit;
-
- err = b43_pci_ssb_bridge_init();
- if (err)
- goto err_pcmcia_exit;
-
err = ssb_driver_register(&b43_ssb_driver);
if (err)
- goto err_pci_exit;
+ goto err_pcmcia_exit;
return err;
-err_pci_exit:
- b43_pci_ssb_bridge_exit();
err_pcmcia_exit:
b43_pcmcia_exit();
err_dfs_exit:
static void __exit b43_exit(void)
{
ssb_driver_unregister(&b43_ssb_driver);
- b43_pci_ssb_bridge_exit();
b43_pcmcia_exit();
b43_debugfs_exit();
}
projects / openwrt / staging / lynxis / omap.git / blobdiff