struct ath_mci_profile_info *entry;
if ((mci->num_sco == ATH_MCI_MAX_SCO_PROFILE) &&
- (info->type == MCI_GPM_COEX_PROFILE_VOICE)) {
- ath_dbg(common, MCI,
- "Too many SCO profile, failed to add new profile\n");
+ (info->type == MCI_GPM_COEX_PROFILE_VOICE))
return false;
- }
if (((NUM_PROF(mci) - mci->num_sco) == ATH_MCI_MAX_ACL_PROFILE) &&
- (info->type != MCI_GPM_COEX_PROFILE_VOICE)) {
- ath_dbg(common, MCI,
- "Too many ACL profile, failed to add new profile\n");
+ (info->type != MCI_GPM_COEX_PROFILE_VOICE))
return false;
- }
entry = ath_mci_find_profile(mci, info);
- if (entry)
+ if (entry) {
memcpy(entry, info, 10);
- else {
+ } else {
entry = kzalloc(sizeof(*entry), GFP_KERNEL);
if (!entry)
return false;
INC_PROF(mci, info);
list_add_tail(&info->list, &mci->info);
}
+
return true;
}
entry = ath_mci_find_profile(mci, info);
- if (!entry) {
- ath_dbg(common, MCI, "Profile to be deleted not found\n");
+ if (!entry)
return;
- }
+
DEC_PROF(mci, entry);
list_del(&entry->list);
kfree(entry);
btcoex->btcoex_period *= 1000;
btcoex->btcoex_no_stomp = btcoex->btcoex_period *
- (100 - btcoex->duty_cycle) / 100;
+ (100 - btcoex->duty_cycle) / 100;
ath9k_hw_btcoex_enable(sc->sc_ah);
ath9k_btcoex_timer_resume(sc);
}
-
static void ath_mci_cal_msg(struct ath_softc *sc, u8 opcode, u8 *rx_payload)
{
struct ath_hw *ah = sc->sc_ah;
switch (opcode) {
case MCI_GPM_BT_CAL_REQ:
-
- ath_dbg(common, MCI, "MCI received BT_CAL_REQ\n");
-
if (ar9003_mci_state(ah, MCI_STATE_BT, NULL) == MCI_BT_AWAKE) {
ar9003_mci_state(ah, MCI_STATE_SET_BT_CAL_START, NULL);
ieee80211_queue_work(sc->hw, &sc->hw_reset_work);
- } else
- ath_dbg(common, MCI, "MCI State mismatches: %d\n",
+ } else {
+ ath_dbg(common, MCI, "MCI State mismatch: %d\n",
ar9003_mci_state(ah, MCI_STATE_BT, NULL));
-
+ }
break;
-
case MCI_GPM_BT_CAL_DONE:
-
- ath_dbg(common, MCI, "MCI received BT_CAL_DONE\n");
-
- if (ar9003_mci_state(ah, MCI_STATE_BT, NULL) == MCI_BT_CAL)
- ath_dbg(common, MCI, "MCI error illegal!\n");
- else
- ath_dbg(common, MCI, "MCI BT not in CAL state\n");
-
+ ar9003_mci_state(ah, MCI_STATE_BT, NULL);
break;
-
case MCI_GPM_BT_CAL_GRANT:
-
- ath_dbg(common, MCI, "MCI received BT_CAL_GRANT\n");
-
- /* Send WLAN_CAL_DONE for now */
- ath_dbg(common, MCI, "MCI send WLAN_CAL_DONE\n");
MCI_GPM_SET_CAL_TYPE(payload, MCI_GPM_WLAN_CAL_DONE);
ar9003_mci_send_message(sc->sc_ah, MCI_GPM, 0, payload,
16, false, true);
break;
-
default:
- ath_dbg(common, MCI, "MCI Unknown GPM CAL message\n");
+ ath_dbg(common, MCI, "Unknown GPM CAL message\n");
break;
}
}
btcoex->btcoex_period = ATH_MCI_DEF_BT_PERIOD;
mci->aggr_limit = mci->num_sco ? 6 : 0;
+
if (NUM_PROF(mci)) {
btcoex->bt_stomp_type = ATH_BTCOEX_STOMP_LOW;
btcoex->duty_cycle = ath_mci_duty_cycle[NUM_PROF(mci)];
static void ath_mci_process_status(struct ath_softc *sc,
struct ath_mci_profile_status *status)
{
- struct ath_common *common = ath9k_hw_common(sc->sc_ah);
struct ath_btcoex *btcoex = &sc->btcoex;
struct ath_mci_profile *mci = &btcoex->mci;
struct ath_mci_profile_info info;
int i = 0, old_num_mgmt = mci->num_mgmt;
/* Link status type are not handled */
- if (status->is_link) {
- ath_dbg(common, MCI, "Skip link type status update\n");
+ if (status->is_link)
return;
- }
memset(&info, 0, sizeof(struct ath_mci_profile_info));
info.conn_handle = status->conn_handle;
- if (ath_mci_find_profile(mci, &info)) {
- ath_dbg(common, MCI,
- "Skip non link state update for existing profile %d\n",
- status->conn_handle);
+ if (ath_mci_find_profile(mci, &info))
return;
- }
- if (status->conn_handle >= ATH_MCI_MAX_PROFILE) {
- ath_dbg(common, MCI, "Ignore too many non-link update\n");
+
+ if (status->conn_handle >= ATH_MCI_MAX_PROFILE)
return;
- }
+
if (status->is_critical)
__set_bit(status->conn_handle, mci->status);
else
u32 seq_num;
switch (opcode) {
-
case MCI_GPM_COEX_VERSION_QUERY:
- ath_dbg(common, MCI, "MCI Recv GPM COEX Version Query\n");
- version = ar9003_mci_state(ah,
- MCI_STATE_SEND_WLAN_COEX_VERSION, NULL);
+ version = ar9003_mci_state(ah, MCI_STATE_SEND_WLAN_COEX_VERSION,
+ NULL);
break;
-
case MCI_GPM_COEX_VERSION_RESPONSE:
- ath_dbg(common, MCI, "MCI Recv GPM COEX Version Response\n");
major = *(rx_payload + MCI_GPM_COEX_B_MAJOR_VERSION);
minor = *(rx_payload + MCI_GPM_COEX_B_MINOR_VERSION);
- ath_dbg(common, MCI, "MCI BT Coex version: %d.%d\n",
- major, minor);
version = (major << 8) + minor;
- version = ar9003_mci_state(ah,
- MCI_STATE_SET_BT_COEX_VERSION, &version);
+ version = ar9003_mci_state(ah, MCI_STATE_SET_BT_COEX_VERSION,
+ &version);
break;
-
case MCI_GPM_COEX_STATUS_QUERY:
- ath_dbg(common, MCI,
- "MCI Recv GPM COEX Status Query = 0x%02x\n",
- *(rx_payload + MCI_GPM_COEX_B_WLAN_BITMAP));
- ar9003_mci_state(ah,
- MCI_STATE_SEND_WLAN_CHANNELS, NULL);
+ ar9003_mci_state(ah, MCI_STATE_SEND_WLAN_CHANNELS, NULL);
break;
-
case MCI_GPM_COEX_BT_PROFILE_INFO:
- ath_dbg(common, MCI, "MCI Recv GPM Coex BT profile info\n");
memcpy(&profile_info,
(rx_payload + MCI_GPM_COEX_B_PROFILE_TYPE), 10);
- if ((profile_info.type == MCI_GPM_COEX_PROFILE_UNKNOWN)
- || (profile_info.type >=
- MCI_GPM_COEX_PROFILE_MAX)) {
-
+ if ((profile_info.type == MCI_GPM_COEX_PROFILE_UNKNOWN) ||
+ (profile_info.type >= MCI_GPM_COEX_PROFILE_MAX)) {
ath_dbg(common, MCI,
- "illegal profile type = %d, state = %d\n",
+ "Illegal profile type = %d, state = %d\n",
profile_info.type,
profile_info.start);
break;
ath_mci_process_profile(sc, &profile_info);
break;
-
case MCI_GPM_COEX_BT_STATUS_UPDATE:
profile_status.is_link = *(rx_payload +
MCI_GPM_COEX_B_STATUS_TYPE);
seq_num = *((u32 *)(rx_payload + 12));
ath_dbg(common, MCI,
- "MCI Recv GPM COEX BT_Status_Update: is_link=%d, linkId=%d, state=%d, SEQ=%d\n",
+ "BT_Status_Update: is_link=%d, linkId=%d, state=%d, SEQ=%d\n",
profile_status.is_link, profile_status.conn_handle,
profile_status.is_critical, seq_num);
ath_mci_process_status(sc, &profile_status);
break;
-
default:
- ath_dbg(common, MCI, "MCI Unknown GPM COEX message = 0x%02x\n",
- opcode);
+ ath_dbg(common, MCI, "Unknown GPM COEX message = 0x%02x\n", opcode);
break;
}
}
-static int ath_mci_buf_alloc(struct ath_softc *sc, struct ath_mci_buf *buf)
-{
- int error = 0;
-
- buf->bf_addr = dma_alloc_coherent(sc->dev, buf->bf_len,
- &buf->bf_paddr, GFP_KERNEL);
-
- if (buf->bf_addr == NULL) {
- error = -ENOMEM;
- goto fail;
- }
-
- return 0;
-
-fail:
- memset(buf, 0, sizeof(*buf));
- return error;
-}
-
-static void ath_mci_buf_free(struct ath_softc *sc, struct ath_mci_buf *buf)
-{
- if (buf->bf_addr) {
- dma_free_coherent(sc->dev, buf->bf_len, buf->bf_addr,
- buf->bf_paddr);
- memset(buf, 0, sizeof(*buf));
- }
-}
-
int ath_mci_setup(struct ath_softc *sc)
{
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
struct ath_mci_coex *mci = &sc->mci_coex;
- int error = 0;
-
- if (!ATH9K_HW_CAP_MCI)
- return 0;
+ struct ath_mci_buf *buf = &mci->sched_buf;
- mci->sched_buf.bf_len = ATH_MCI_SCHED_BUF_SIZE + ATH_MCI_GPM_BUF_SIZE;
+ buf->bf_addr = dma_alloc_coherent(sc->dev,
+ ATH_MCI_SCHED_BUF_SIZE + ATH_MCI_GPM_BUF_SIZE,
+ &buf->bf_paddr, GFP_KERNEL);
- if (ath_mci_buf_alloc(sc, &mci->sched_buf)) {
+ if (buf->bf_addr == NULL) {
ath_dbg(common, FATAL, "MCI buffer alloc failed\n");
- error = -ENOMEM;
- goto fail;
+ return -ENOMEM;
}
- mci->sched_buf.bf_len = ATH_MCI_SCHED_BUF_SIZE;
+ memset(buf->bf_addr, MCI_GPM_RSVD_PATTERN,
+ ATH_MCI_SCHED_BUF_SIZE + ATH_MCI_GPM_BUF_SIZE);
- memset(mci->sched_buf.bf_addr, MCI_GPM_RSVD_PATTERN,
- mci->sched_buf.bf_len);
+ mci->sched_buf.bf_len = ATH_MCI_SCHED_BUF_SIZE;
mci->gpm_buf.bf_len = ATH_MCI_GPM_BUF_SIZE;
- mci->gpm_buf.bf_addr = (u8 *)mci->sched_buf.bf_addr +
- mci->sched_buf.bf_len;
+ mci->gpm_buf.bf_addr = (u8 *)mci->sched_buf.bf_addr + mci->sched_buf.bf_len;
mci->gpm_buf.bf_paddr = mci->sched_buf.bf_paddr + mci->sched_buf.bf_len;
- /* initialize the buffer */
- memset(mci->gpm_buf.bf_addr, MCI_GPM_RSVD_PATTERN, mci->gpm_buf.bf_len);
-
ar9003_mci_setup(sc->sc_ah, mci->gpm_buf.bf_paddr,
mci->gpm_buf.bf_addr, (mci->gpm_buf.bf_len >> 4),
mci->sched_buf.bf_paddr);
-fail:
- return error;
+
+ ath_dbg(common, MCI, "MCI Initialized\n");
+
+ return 0;
}
void ath_mci_cleanup(struct ath_softc *sc)
{
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
struct ath_hw *ah = sc->sc_ah;
struct ath_mci_coex *mci = &sc->mci_coex;
+ struct ath_mci_buf *buf = &mci->sched_buf;
- if (!ATH9K_HW_CAP_MCI)
- return;
+ if (buf->bf_addr)
+ dma_free_coherent(sc->dev,
+ ATH_MCI_SCHED_BUF_SIZE + ATH_MCI_GPM_BUF_SIZE,
+ buf->bf_addr, buf->bf_paddr);
- /*
- * both schedule and gpm buffers will be released
- */
- ath_mci_buf_free(sc, &mci->sched_buf);
ar9003_mci_cleanup(ah);
+
+ ath_dbg(common, MCI, "MCI De-Initialized\n");
}
void ath_mci_intr(struct ath_softc *sc)
u32 more_data = MCI_GPM_MORE;
bool skip_gpm = false;
- if (!ATH9K_HW_CAP_MCI)
- return;
-
ar9003_mci_get_interrupt(sc->sc_ah, &mci_int, &mci_int_rxmsg);
if (ar9003_mci_state(ah, MCI_STATE_ENABLE, NULL) == 0) {
-
- ar9003_mci_state(sc->sc_ah, MCI_STATE_INIT_GPM_OFFSET, NULL);
- ath_dbg(common, MCI, "MCI interrupt but MCI disabled\n");
-
- ath_dbg(common, MCI,
- "MCI interrupt: intr = 0x%x, intr_rxmsg = 0x%x\n",
- mci_int, mci_int_rxmsg);
+ ar9003_mci_state(ah, MCI_STATE_INIT_GPM_OFFSET, NULL);
return;
}
* only when BT wake up. Now they are always sent, as a
* recovery method to reset BT MCI's RX alignment.
*/
- ath_dbg(common, MCI, "MCI interrupt send REMOTE_RESET\n");
-
ar9003_mci_send_message(ah, MCI_REMOTE_RESET, 0,
payload, 16, true, false);
- ath_dbg(common, MCI, "MCI interrupt send SYS_WAKING\n");
ar9003_mci_send_message(ah, MCI_SYS_WAKING, 0,
NULL, 0, true, false);
/*
* always do this for recovery and 2G/5G toggling and LNA_TRANS
*/
- ath_dbg(common, MCI, "MCI Set BT state to AWAKE\n");
ar9003_mci_state(ah, MCI_STATE_SET_BT_AWAKE, NULL);
}
- /* Processing SYS_WAKING/SYS_SLEEPING */
if (mci_int_rxmsg & AR_MCI_INTERRUPT_RX_MSG_SYS_WAKING) {
mci_int_rxmsg &= ~AR_MCI_INTERRUPT_RX_MSG_SYS_WAKING;
if (ar9003_mci_state(ah, MCI_STATE_BT, NULL) == MCI_BT_SLEEP) {
-
- if (ar9003_mci_state(ah, MCI_STATE_REMOTE_SLEEP, NULL)
- == MCI_BT_SLEEP)
- ath_dbg(common, MCI,
- "MCI BT stays in sleep mode\n");
- else {
- ath_dbg(common, MCI,
- "MCI Set BT state to AWAKE\n");
- ar9003_mci_state(ah,
- MCI_STATE_SET_BT_AWAKE, NULL);
- }
- } else
- ath_dbg(common, MCI, "MCI BT stays in AWAKE mode\n");
+ if (ar9003_mci_state(ah, MCI_STATE_REMOTE_SLEEP, NULL) !=
+ MCI_BT_SLEEP)
+ ar9003_mci_state(ah, MCI_STATE_SET_BT_AWAKE,
+ NULL);
+ }
}
if (mci_int_rxmsg & AR_MCI_INTERRUPT_RX_MSG_SYS_SLEEPING) {
-
mci_int_rxmsg &= ~AR_MCI_INTERRUPT_RX_MSG_SYS_SLEEPING;
if (ar9003_mci_state(ah, MCI_STATE_BT, NULL) == MCI_BT_AWAKE) {
-
- if (ar9003_mci_state(ah, MCI_STATE_REMOTE_SLEEP, NULL)
- == MCI_BT_AWAKE)
- ath_dbg(common, MCI,
- "MCI BT stays in AWAKE mode\n");
- else {
- ath_dbg(common, MCI,
- "MCI SetBT state to SLEEP\n");
+ if (ar9003_mci_state(ah, MCI_STATE_REMOTE_SLEEP, NULL) !=
+ MCI_BT_AWAKE)
ar9003_mci_state(ah, MCI_STATE_SET_BT_SLEEP,
NULL);
- }
- } else
- ath_dbg(common, MCI, "MCI BT stays in SLEEP mode\n");
+ }
}
if ((mci_int & AR_MCI_INTERRUPT_RX_INVALID_HDR) ||
(mci_int & AR_MCI_INTERRUPT_CONT_INFO_TIMEOUT)) {
-
- ath_dbg(common, MCI, "MCI RX broken, skip GPM msgs\n");
ar9003_mci_state(ah, MCI_STATE_RECOVER_RX, NULL);
skip_gpm = true;
}
if (mci_int_rxmsg & AR_MCI_INTERRUPT_RX_MSG_SCHD_INFO) {
-
mci_int_rxmsg &= ~AR_MCI_INTERRUPT_RX_MSG_SCHD_INFO;
offset = ar9003_mci_state(ah, MCI_STATE_LAST_SCHD_MSG_OFFSET,
NULL);
}
if (mci_int_rxmsg & AR_MCI_INTERRUPT_RX_MSG_GPM) {
-
mci_int_rxmsg &= ~AR_MCI_INTERRUPT_RX_MSG_GPM;
while (more_data == MCI_GPM_MORE) {
pgpm = mci->gpm_buf.bf_addr;
- offset = ar9003_mci_state(ah,
- MCI_STATE_NEXT_GPM_OFFSET, &more_data);
+ offset = ar9003_mci_state(ah, MCI_STATE_NEXT_GPM_OFFSET,
+ &more_data);
if (offset == MCI_GPM_INVALID)
break;
* The first dword is timer.
* The real data starts from 2nd dword.
*/
-
subtype = MCI_GPM_TYPE(pgpm);
opcode = MCI_GPM_OPCODE(pgpm);
- if (!skip_gpm) {
-
- if (MCI_GPM_IS_CAL_TYPE(subtype))
- ath_mci_cal_msg(sc, subtype,
- (u8 *) pgpm);
- else {
- switch (subtype) {
- case MCI_GPM_COEX_AGENT:
- ath_mci_msg(sc, opcode,
- (u8 *) pgpm);
- break;
- default:
- break;
- }
+ if (skip_gpm)
+ goto recycle;
+
+ if (MCI_GPM_IS_CAL_TYPE(subtype)) {
+ ath_mci_cal_msg(sc, subtype, (u8 *)pgpm);
+ } else {
+ switch (subtype) {
+ case MCI_GPM_COEX_AGENT:
+ ath_mci_msg(sc, opcode, (u8 *)pgpm);
+ break;
+ default:
+ break;
}
}
+ recycle:
MCI_GPM_RECYCLE(pgpm);
}
}
if (mci_int_rxmsg & AR_MCI_INTERRUPT_RX_HW_MSG_MASK) {
-
if (mci_int_rxmsg & AR_MCI_INTERRUPT_RX_MSG_LNA_CONTROL)
mci_int_rxmsg &= ~AR_MCI_INTERRUPT_RX_MSG_LNA_CONTROL;
- if (mci_int_rxmsg & AR_MCI_INTERRUPT_RX_MSG_LNA_INFO) {
+ if (mci_int_rxmsg & AR_MCI_INTERRUPT_RX_MSG_LNA_INFO)
mci_int_rxmsg &= ~AR_MCI_INTERRUPT_RX_MSG_LNA_INFO;
- ath_dbg(common, MCI, "MCI LNA_INFO\n");
- }
if (mci_int_rxmsg & AR_MCI_INTERRUPT_RX_MSG_CONT_INFO) {
-
int value_dbm = ar9003_mci_state(ah,
- MCI_STATE_CONT_RSSI_POWER, NULL);
+ MCI_STATE_CONT_RSSI_POWER, NULL);
mci_int_rxmsg &= ~AR_MCI_INTERRUPT_RX_MSG_CONT_INFO;
ath_dbg(common, MCI,
"MCI CONT_INFO: (tx) pri = %d, pwr = %d dBm\n",
ar9003_mci_state(ah,
- MCI_STATE_CONT_PRIORITY, NULL),
+ MCI_STATE_CONT_PRIORITY, NULL),
value_dbm);
else
ath_dbg(common, MCI,
"MCI CONT_INFO: (rx) pri = %d,pwr = %d dBm\n",
ar9003_mci_state(ah,
- MCI_STATE_CONT_PRIORITY, NULL),
+ MCI_STATE_CONT_PRIORITY, NULL),
value_dbm);
}
- if (mci_int_rxmsg & AR_MCI_INTERRUPT_RX_MSG_CONT_NACK) {
+ if (mci_int_rxmsg & AR_MCI_INTERRUPT_RX_MSG_CONT_NACK)
mci_int_rxmsg &= ~AR_MCI_INTERRUPT_RX_MSG_CONT_NACK;
- ath_dbg(common, MCI, "MCI CONT_NACK\n");
- }
- if (mci_int_rxmsg & AR_MCI_INTERRUPT_RX_MSG_CONT_RST) {
+ if (mci_int_rxmsg & AR_MCI_INTERRUPT_RX_MSG_CONT_RST)
mci_int_rxmsg &= ~AR_MCI_INTERRUPT_RX_MSG_CONT_RST;
- ath_dbg(common, MCI, "MCI CONT_RST\n");
- }
}
if ((mci_int & AR_MCI_INTERRUPT_RX_INVALID_HDR) ||
(mci_int & AR_MCI_INTERRUPT_CONT_INFO_TIMEOUT))
mci_int &= ~(AR_MCI_INTERRUPT_RX_INVALID_HDR |
AR_MCI_INTERRUPT_CONT_INFO_TIMEOUT);
-
- if (mci_int_rxmsg & 0xfffffffe)
- ath_dbg(common, MCI, "MCI not processed mci_int_rxmsg = 0x%x\n",
- mci_int_rxmsg);
}
projects / ~andy / linux / blobdiff