#include <linux/wireless.h>
#include <linux/workqueue.h>
#include <linux/skbuff.h>
+#include <linux/io.h>
#include <linux/dma-mapping.h>
#include <asm/unaligned.h>
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 */
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,
* 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, u8 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;
u16 ram_offset,
u16 shm_size_offset, u8 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;
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 cmd;
-
- 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);
-
- cmd = b43_read32(dev, B43_MMIO_MACCMD);
- cmd |= B43_MACCMD_BEACON0_VALID | B43_MACCMD_BEACON1_VALID;
- b43_write32(dev, B43_MMIO_MACCMD, cmd);
-}
-
-static void b43_refresh_templates(struct b43_wldev *dev, struct sk_buff *beacon)
+/* 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_MACCMD);
+ /* 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_MACCMD, 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_CCK_RATE_11MB);
+ 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_MACCMD, 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)
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 "
+ const char *text;
+
+ text = "You must go to "
"http://linuxwireless.org/en/users/Drivers/b43#devicefirmware "
- "and download the correct firmware (version 4).\n");
+ "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_HAVE_2GHZ_PHY)
- 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_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 = "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;
}
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);
}
{
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)
{
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.boardflags_lo & B43_BFL_RSSI) {
return (sizeof(u16));
}
-static void b43_rng_exit(struct b43_wl *wl)
+static void b43_rng_exit(struct b43_wl *wl, bool suspended)
{
if (wl->rng_initialized)
- hwrng_unregister(&wl->rng);
+ __hwrng_unregister(&wl->rng, suspended);
}
static int b43_rng_init(struct b43_wl *wl)
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;
}
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);
}
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;
unsupported = 1;
break;
case B43_PHYTYPE_N:
- if (radio_ver != 5)
+ if (radio_ver != 0x2055)
unsupported = 1;
break;
default:
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);
- b43_leds_exit(dev);
- b43_rng_exit(dev->wl);
+ /* 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);
+
+ if (!dev->suspend_in_progress) {
+ b43_leds_exit(dev);
+ b43_rng_exit(dev->wl, false);
+ }
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);
}
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_rng_init(wl);
+ if (!dev->suspend_in_progress)
+ b43_rng_init(wl);
b43_set_status(dev, B43_STAT_INITIALIZED);
- b43_leds_init(dev);
+ if (!dev->suspend_in_progress)
+ b43_leds_init(dev);
out:
return err;
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. */
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;
}
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_op_tx,
.conf_tx = b43_op_conf_tx,
.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.
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);
b43dbg(wl, "Suspending...\n");
mutex_lock(&wl->mutex);
+ wldev->suspend_in_progress = true;
wldev->suspend_init_status = b43_status(wldev);
if (wldev->suspend_init_status >= B43_STAT_STARTED)
b43_wireless_core_stop(wldev);
if (wldev->suspend_init_status >= B43_STAT_STARTED) {
err = b43_wireless_core_start(wldev);
if (err) {
+ b43_leds_exit(wldev);
+ b43_rng_exit(wldev->wl, true);
b43_wireless_core_exit(wldev);
b43err(wl, "Resume failed at core start\n");
goto out;
}
}
- mutex_unlock(&wl->mutex);
-
b43dbg(wl, "Device resumed.\n");
- out:
+ out:
+ wldev->suspend_in_progress = false;
+ mutex_unlock(&wl->mutex);
return err;
}