return time_out;
}
-void ar9003_mci_remote_reset(struct ath_hw *ah, bool wait_done)
+static void ar9003_mci_remote_reset(struct ath_hw *ah, bool wait_done)
{
u32 payload[4] = { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffff00};
udelay(5);
}
-void ar9003_mci_send_lna_transfer(struct ath_hw *ah, bool wait_done)
+static void ar9003_mci_send_lna_transfer(struct ath_hw *ah, bool wait_done)
{
u32 payload = 0x00000000;
udelay(5);
}
-void ar9003_mci_send_sys_waking(struct ath_hw *ah, bool wait_done)
+static void ar9003_mci_send_sys_waking(struct ath_hw *ah, bool wait_done)
{
if (!ATH9K_HW_CAP_MCI)
return;
}
}
-void ar9003_mci_send_coex_halt_bt_gpm(struct ath_hw *ah, bool halt,
- bool wait_done)
+static void ar9003_mci_send_coex_halt_bt_gpm(struct ath_hw *ah, bool halt,
+ bool wait_done)
{
struct ath_common *common = ath9k_hw_common(ah);
struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci;
REG_WRITE(ah, AR_RTC_KEEP_AWAKE, 0x2);
}
-void ar9003_mci_disable_interrupt(struct ath_hw *ah)
+static void ar9003_mci_disable_interrupt(struct ath_hw *ah)
{
if (!ATH9K_HW_CAP_MCI)
return;
REG_WRITE(ah, AR_MCI_INTERRUPT_RX_MSG_EN, 0);
}
-void ar9003_mci_enable_interrupt(struct ath_hw *ah)
+static void ar9003_mci_enable_interrupt(struct ath_hw *ah)
{
if (!ATH9K_HW_CAP_MCI)
return;
AR_MCI_INTERRUPT_RX_MSG_DEFAULT);
}
-bool ar9003_mci_check_int(struct ath_hw *ah, u32 ints)
+static bool ar9003_mci_check_int(struct ath_hw *ah, u32 ints)
{
u32 intr;
}
}
-void ar9003_mci_2g5g_changed(struct ath_hw *ah, bool is_2g)
+static void ar9003_mci_2g5g_changed(struct ath_hw *ah, bool is_2g)
{
struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci;
wait_done, true);
}
+static void ar9003_mci_sync_bt_state(struct ath_hw *ah)
+{
+ struct ath_common *common = ath9k_hw_common(ah);
+ struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci;
+ u32 cur_bt_state;
+
+ if (!ATH9K_HW_CAP_MCI)
+ return;
+
+ cur_bt_state = ar9003_mci_state(ah, MCI_STATE_REMOTE_SLEEP, NULL);
+
+ if (mci->bt_state != cur_bt_state) {
+ ath_dbg(common, MCI,
+ "MCI BT state mismatches. old: %d, new: %d\n",
+ mci->bt_state, cur_bt_state);
+ mci->bt_state = cur_bt_state;
+ }
+
+ if (mci->bt_state != MCI_BT_SLEEP) {
+
+ ar9003_mci_send_coex_version_query(ah, true);
+ ar9003_mci_send_coex_wlan_channels(ah, true);
+
+ if (mci->unhalt_bt_gpm == true) {
+ ath_dbg(common, MCI, "MCI unhalt BT GPM\n");
+ ar9003_mci_send_coex_halt_bt_gpm(ah, false, true);
+ }
+ }
+}
+
void ar9003_mci_check_bt(struct ath_hw *ah)
{
struct ath9k_hw_mci *mci_hw = &ah->btcoex_hw.mci;
}
}
+static void ar9003_mci_process_gpm_extra(struct ath_hw *ah, u8 gpm_type,
+ u8 gpm_opcode, u32 *p_gpm)
+{
+ struct ath_common *common = ath9k_hw_common(ah);
+ struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci;
+ u8 *p_data = (u8 *) p_gpm;
+
+ if (gpm_type != MCI_GPM_COEX_AGENT)
+ return;
+
+ switch (gpm_opcode) {
+ case MCI_GPM_COEX_VERSION_QUERY:
+ ath_dbg(common, MCI, "MCI Recv GPM COEX Version Query\n");
+ ar9003_mci_send_coex_version_response(ah, true);
+ break;
+ case MCI_GPM_COEX_VERSION_RESPONSE:
+ ath_dbg(common, MCI, "MCI Recv GPM COEX Version Response\n");
+ mci->bt_ver_major =
+ *(p_data + MCI_GPM_COEX_B_MAJOR_VERSION);
+ mci->bt_ver_minor =
+ *(p_data + MCI_GPM_COEX_B_MINOR_VERSION);
+ mci->bt_version_known = true;
+ ath_dbg(common, MCI, "MCI BT Coex version: %d.%d\n",
+ mci->bt_ver_major, mci->bt_ver_minor);
+ break;
+ case MCI_GPM_COEX_STATUS_QUERY:
+ ath_dbg(common, MCI,
+ "MCI Recv GPM COEX Status Query = 0x%02X\n",
+ *(p_data + MCI_GPM_COEX_B_WLAN_BITMAP));
+ mci->wlan_channels_update = true;
+ ar9003_mci_send_coex_wlan_channels(ah, true);
+ break;
+ case MCI_GPM_COEX_BT_PROFILE_INFO:
+ mci->query_bt = true;
+ ath_dbg(common, MCI, "MCI Recv GPM COEX BT_Profile_Info\n");
+ break;
+ case MCI_GPM_COEX_BT_STATUS_UPDATE:
+ mci->query_bt = true;
+ ath_dbg(common, MCI,
+ "MCI Recv GPM COEX BT_Status_Update SEQ=%d (drop&query)\n",
+ *(p_gpm + 3));
+ break;
+ default:
+ break;
+ }
+}
+
+static u32 ar9003_mci_wait_for_gpm(struct ath_hw *ah, u8 gpm_type,
+ u8 gpm_opcode, int time_out)
+{
+ struct ath_common *common = ath9k_hw_common(ah);
+ struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci;
+ u32 *p_gpm = NULL, mismatch = 0, more_data;
+ u32 offset;
+ u8 recv_type = 0, recv_opcode = 0;
+ bool b_is_bt_cal_done = (gpm_type == MCI_GPM_BT_CAL_DONE);
+
+ if (!ATH9K_HW_CAP_MCI)
+ return 0;
+
+ more_data = time_out ? MCI_GPM_NOMORE : MCI_GPM_MORE;
+
+ while (time_out > 0) {
+ if (p_gpm) {
+ MCI_GPM_RECYCLE(p_gpm);
+ p_gpm = NULL;
+ }
+
+ if (more_data != MCI_GPM_MORE)
+ time_out = ar9003_mci_wait_for_interrupt(ah,
+ AR_MCI_INTERRUPT_RX_MSG_RAW,
+ AR_MCI_INTERRUPT_RX_MSG_GPM,
+ time_out);
+
+ if (!time_out)
+ break;
+
+ offset = ar9003_mci_state(ah,
+ MCI_STATE_NEXT_GPM_OFFSET, &more_data);
+
+ if (offset == MCI_GPM_INVALID)
+ continue;
+
+ p_gpm = (u32 *) (mci->gpm_buf + offset);
+ recv_type = MCI_GPM_TYPE(p_gpm);
+ recv_opcode = MCI_GPM_OPCODE(p_gpm);
+
+ if (MCI_GPM_IS_CAL_TYPE(recv_type)) {
+
+ if (recv_type == gpm_type) {
+
+ if ((gpm_type == MCI_GPM_BT_CAL_DONE) &&
+ !b_is_bt_cal_done) {
+ gpm_type = MCI_GPM_BT_CAL_GRANT;
+ ath_dbg(common, MCI,
+ "MCI Recv BT_CAL_DONE wait BT_CAL_GRANT\n");
+ continue;
+ }
+
+ break;
+ }
+ } else if ((recv_type == gpm_type) &&
+ (recv_opcode == gpm_opcode))
+ break;
+
+ /* not expected message */
+
+ /*
+ * check if it's cal_grant
+ *
+ * When we're waiting for cal_grant in reset routine,
+ * it's possible that BT sends out cal_request at the
+ * same time. Since BT's calibration doesn't happen
+ * that often, we'll let BT completes calibration then
+ * we continue to wait for cal_grant from BT.
+ * Orginal: Wait BT_CAL_GRANT.
+ * New: Receive BT_CAL_REQ -> send WLAN_CAL_GRANT->wait
+ * BT_CAL_DONE -> Wait BT_CAL_GRANT.
+ */
+
+ if ((gpm_type == MCI_GPM_BT_CAL_GRANT) &&
+ (recv_type == MCI_GPM_BT_CAL_REQ)) {
+
+ u32 payload[4] = {0, 0, 0, 0};
+
+ gpm_type = MCI_GPM_BT_CAL_DONE;
+ ath_dbg(common, MCI,
+ "MCI Rcv BT_CAL_REQ, send WLAN_CAL_GRANT\n");
+
+ MCI_GPM_SET_CAL_TYPE(payload,
+ MCI_GPM_WLAN_CAL_GRANT);
+
+ ar9003_mci_send_message(ah, MCI_GPM, 0, payload, 16,
+ false, false);
+
+ ath_dbg(common, MCI, "MCI now wait for BT_CAL_DONE\n");
+
+ continue;
+ } else {
+ ath_dbg(common, MCI, "MCI GPM subtype not match 0x%x\n",
+ *(p_gpm + 1));
+ mismatch++;
+ ar9003_mci_process_gpm_extra(ah, recv_type,
+ recv_opcode, p_gpm);
+ }
+ }
+ if (p_gpm) {
+ MCI_GPM_RECYCLE(p_gpm);
+ p_gpm = NULL;
+ }
+
+ if (time_out <= 0) {
+ time_out = 0;
+ ath_dbg(common, MCI,
+ "MCI GPM received timeout, mismatch = %d\n", mismatch);
+ } else
+ ath_dbg(common, MCI, "MCI Receive GPM type=0x%x, code=0x%x\n",
+ gpm_type, gpm_opcode);
+
+ while (more_data == MCI_GPM_MORE) {
+
+ ath_dbg(common, MCI, "MCI discard remaining GPM\n");
+ offset = ar9003_mci_state(ah, MCI_STATE_NEXT_GPM_OFFSET,
+ &more_data);
+
+ if (offset == MCI_GPM_INVALID)
+ break;
+
+ p_gpm = (u32 *) (mci->gpm_buf + offset);
+ recv_type = MCI_GPM_TYPE(p_gpm);
+ recv_opcode = MCI_GPM_OPCODE(p_gpm);
+
+ if (!MCI_GPM_IS_CAL_TYPE(recv_type))
+ ar9003_mci_process_gpm_extra(ah, recv_type,
+ recv_opcode, p_gpm);
+
+ MCI_GPM_RECYCLE(p_gpm);
+ }
+
+ return time_out;
+}
+
bool ar9003_mci_start_reset(struct ath_hw *ah, struct ath9k_channel *chan)
{
struct ath_common *common = ath9k_hw_common(ah);
return 0;
}
+static void ar9003_mci_mute_bt(struct ath_hw *ah)
+{
+ struct ath_common *common = ath9k_hw_common(ah);
+
+ if (!ATH9K_HW_CAP_MCI)
+ return;
+
+ /* disable all MCI messages */
+ REG_WRITE(ah, AR_MCI_MSG_ATTRIBUTES_TABLE, 0xffff0000);
+ REG_WRITE(ah, AR_BTCOEX_WL_WEIGHTS0, 0xffffffff);
+ REG_WRITE(ah, AR_BTCOEX_WL_WEIGHTS1, 0xffffffff);
+ REG_WRITE(ah, AR_BTCOEX_WL_WEIGHTS2, 0xffffffff);
+ REG_WRITE(ah, AR_BTCOEX_WL_WEIGHTS3, 0xffffffff);
+ REG_SET_BIT(ah, AR_MCI_TX_CTRL, AR_MCI_TX_CTRL_DISABLE_LNA_UPDATE);
+
+ /* wait pending HW messages to flush out */
+ udelay(10);
+
+ /*
+ * Send LNA_TAKE and SYS_SLEEPING when
+ * 1. reset not after resuming from full sleep
+ * 2. before reset MCI RX, to quiet BT and avoid MCI RX misalignment
+ */
+
+ ath_dbg(common, MCI, "MCI Send LNA take\n");
+ ar9003_mci_send_lna_take(ah, true);
+
+ udelay(5);
+
+ ath_dbg(common, MCI, "MCI Send sys sleeping\n");
+ ar9003_mci_send_sys_sleeping(ah, true);
+}
+
void ar9003_mci_reset(struct ath_hw *ah, bool en_int, bool is_2g,
bool is_full_sleep)
{
mci_hw->ready = false;
}
-void ar9003_mci_mute_bt(struct ath_hw *ah)
-{
- struct ath_common *common = ath9k_hw_common(ah);
-
- if (!ATH9K_HW_CAP_MCI)
- return;
-
- /* disable all MCI messages */
- REG_WRITE(ah, AR_MCI_MSG_ATTRIBUTES_TABLE, 0xffff0000);
- REG_WRITE(ah, AR_BTCOEX_WL_WEIGHTS0, 0xffffffff);
- REG_WRITE(ah, AR_BTCOEX_WL_WEIGHTS1, 0xffffffff);
- REG_WRITE(ah, AR_BTCOEX_WL_WEIGHTS2, 0xffffffff);
- REG_WRITE(ah, AR_BTCOEX_WL_WEIGHTS3, 0xffffffff);
- REG_SET_BIT(ah, AR_MCI_TX_CTRL, AR_MCI_TX_CTRL_DISABLE_LNA_UPDATE);
-
- /* wait pending HW messages to flush out */
- udelay(10);
-
- /*
- * Send LNA_TAKE and SYS_SLEEPING when
- * 1. reset not after resuming from full sleep
- * 2. before reset MCI RX, to quiet BT and avoid MCI RX misalignment
- */
-
- ath_dbg(common, MCI, "MCI Send LNA take\n");
- ar9003_mci_send_lna_take(ah, true);
-
- udelay(5);
-
- ath_dbg(common, MCI, "MCI Send sys sleeping\n");
- ar9003_mci_send_sys_sleeping(ah, true);
-}
-
-void ar9003_mci_sync_bt_state(struct ath_hw *ah)
-{
- struct ath_common *common = ath9k_hw_common(ah);
- struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci;
- u32 cur_bt_state;
-
- if (!ATH9K_HW_CAP_MCI)
- return;
-
- cur_bt_state = ar9003_mci_state(ah, MCI_STATE_REMOTE_SLEEP, NULL);
-
- if (mci->bt_state != cur_bt_state) {
- ath_dbg(common, MCI,
- "MCI BT state mismatches. old: %d, new: %d\n",
- mci->bt_state, cur_bt_state);
- mci->bt_state = cur_bt_state;
- }
-
- if (mci->bt_state != MCI_BT_SLEEP) {
-
- ar9003_mci_send_coex_version_query(ah, true);
- ar9003_mci_send_coex_wlan_channels(ah, true);
-
- if (mci->unhalt_bt_gpm == true) {
- ath_dbg(common, MCI, "MCI unhalt BT GPM\n");
- ar9003_mci_send_coex_halt_bt_gpm(ah, false, true);
- }
- }
-}
-
static void ar9003_mci_send_2g5g_status(struct ath_hw *ah, bool wait_done)
{
struct ath_common *common = ath9k_hw_common(ah);
}
EXPORT_SYMBOL(ar9003_mci_cleanup);
-static void ar9003_mci_process_gpm_extra(struct ath_hw *ah, u8 gpm_type,
- u8 gpm_opcode, u32 *p_gpm)
-{
- struct ath_common *common = ath9k_hw_common(ah);
- struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci;
- u8 *p_data = (u8 *) p_gpm;
-
- if (gpm_type != MCI_GPM_COEX_AGENT)
- return;
-
- switch (gpm_opcode) {
- case MCI_GPM_COEX_VERSION_QUERY:
- ath_dbg(common, MCI, "MCI Recv GPM COEX Version Query\n");
- ar9003_mci_send_coex_version_response(ah, true);
- break;
- case MCI_GPM_COEX_VERSION_RESPONSE:
- ath_dbg(common, MCI, "MCI Recv GPM COEX Version Response\n");
- mci->bt_ver_major =
- *(p_data + MCI_GPM_COEX_B_MAJOR_VERSION);
- mci->bt_ver_minor =
- *(p_data + MCI_GPM_COEX_B_MINOR_VERSION);
- mci->bt_version_known = true;
- ath_dbg(common, MCI, "MCI BT Coex version: %d.%d\n",
- mci->bt_ver_major, mci->bt_ver_minor);
- break;
- case MCI_GPM_COEX_STATUS_QUERY:
- ath_dbg(common, MCI,
- "MCI Recv GPM COEX Status Query = 0x%02X\n",
- *(p_data + MCI_GPM_COEX_B_WLAN_BITMAP));
- mci->wlan_channels_update = true;
- ar9003_mci_send_coex_wlan_channels(ah, true);
- break;
- case MCI_GPM_COEX_BT_PROFILE_INFO:
- mci->query_bt = true;
- ath_dbg(common, MCI, "MCI Recv GPM COEX BT_Profile_Info\n");
- break;
- case MCI_GPM_COEX_BT_STATUS_UPDATE:
- mci->query_bt = true;
- ath_dbg(common, MCI,
- "MCI Recv GPM COEX BT_Status_Update SEQ=%d (drop&query)\n",
- *(p_gpm + 3));
- break;
- default:
- break;
- }
-}
-
-u32 ar9003_mci_wait_for_gpm(struct ath_hw *ah, u8 gpm_type,
- u8 gpm_opcode, int time_out)
-{
- struct ath_common *common = ath9k_hw_common(ah);
- struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci;
- u32 *p_gpm = NULL, mismatch = 0, more_data;
- u32 offset;
- u8 recv_type = 0, recv_opcode = 0;
- bool b_is_bt_cal_done = (gpm_type == MCI_GPM_BT_CAL_DONE);
-
- if (!ATH9K_HW_CAP_MCI)
- return 0;
-
- more_data = time_out ? MCI_GPM_NOMORE : MCI_GPM_MORE;
-
- while (time_out > 0) {
- if (p_gpm) {
- MCI_GPM_RECYCLE(p_gpm);
- p_gpm = NULL;
- }
-
- if (more_data != MCI_GPM_MORE)
- time_out = ar9003_mci_wait_for_interrupt(ah,
- AR_MCI_INTERRUPT_RX_MSG_RAW,
- AR_MCI_INTERRUPT_RX_MSG_GPM,
- time_out);
-
- if (!time_out)
- break;
-
- offset = ar9003_mci_state(ah,
- MCI_STATE_NEXT_GPM_OFFSET, &more_data);
-
- if (offset == MCI_GPM_INVALID)
- continue;
-
- p_gpm = (u32 *) (mci->gpm_buf + offset);
- recv_type = MCI_GPM_TYPE(p_gpm);
- recv_opcode = MCI_GPM_OPCODE(p_gpm);
-
- if (MCI_GPM_IS_CAL_TYPE(recv_type)) {
-
- if (recv_type == gpm_type) {
-
- if ((gpm_type == MCI_GPM_BT_CAL_DONE) &&
- !b_is_bt_cal_done) {
- gpm_type = MCI_GPM_BT_CAL_GRANT;
- ath_dbg(common, MCI,
- "MCI Recv BT_CAL_DONE wait BT_CAL_GRANT\n");
- continue;
- }
-
- break;
- }
- } else if ((recv_type == gpm_type) &&
- (recv_opcode == gpm_opcode))
- break;
-
- /* not expected message */
-
- /*
- * check if it's cal_grant
- *
- * When we're waiting for cal_grant in reset routine,
- * it's possible that BT sends out cal_request at the
- * same time. Since BT's calibration doesn't happen
- * that often, we'll let BT completes calibration then
- * we continue to wait for cal_grant from BT.
- * Orginal: Wait BT_CAL_GRANT.
- * New: Receive BT_CAL_REQ -> send WLAN_CAL_GRANT->wait
- * BT_CAL_DONE -> Wait BT_CAL_GRANT.
- */
-
- if ((gpm_type == MCI_GPM_BT_CAL_GRANT) &&
- (recv_type == MCI_GPM_BT_CAL_REQ)) {
-
- u32 payload[4] = {0, 0, 0, 0};
-
- gpm_type = MCI_GPM_BT_CAL_DONE;
- ath_dbg(common, MCI,
- "MCI Rcv BT_CAL_REQ, send WLAN_CAL_GRANT\n");
-
- MCI_GPM_SET_CAL_TYPE(payload,
- MCI_GPM_WLAN_CAL_GRANT);
-
- ar9003_mci_send_message(ah, MCI_GPM, 0, payload, 16,
- false, false);
-
- ath_dbg(common, MCI, "MCI now wait for BT_CAL_DONE\n");
-
- continue;
- } else {
- ath_dbg(common, MCI, "MCI GPM subtype not match 0x%x\n",
- *(p_gpm + 1));
- mismatch++;
- ar9003_mci_process_gpm_extra(ah, recv_type,
- recv_opcode, p_gpm);
- }
- }
- if (p_gpm) {
- MCI_GPM_RECYCLE(p_gpm);
- p_gpm = NULL;
- }
-
- if (time_out <= 0) {
- time_out = 0;
- ath_dbg(common, MCI,
- "MCI GPM received timeout, mismatch = %d\n", mismatch);
- } else
- ath_dbg(common, MCI, "MCI Receive GPM type=0x%x, code=0x%x\n",
- gpm_type, gpm_opcode);
-
- while (more_data == MCI_GPM_MORE) {
-
- ath_dbg(common, MCI, "MCI discard remaining GPM\n");
- offset = ar9003_mci_state(ah, MCI_STATE_NEXT_GPM_OFFSET,
- &more_data);
-
- if (offset == MCI_GPM_INVALID)
- break;
-
- p_gpm = (u32 *) (mci->gpm_buf + offset);
- recv_type = MCI_GPM_TYPE(p_gpm);
- recv_opcode = MCI_GPM_OPCODE(p_gpm);
-
- if (!MCI_GPM_IS_CAL_TYPE(recv_type))
- ar9003_mci_process_gpm_extra(ah, recv_type,
- recv_opcode, p_gpm);
-
- MCI_GPM_RECYCLE(p_gpm);
- }
-
- return time_out;
-}
-
u32 ar9003_mci_state(struct ath_hw *ah, u32 state_type, u32 *p_data)
{
struct ath_common *common = ath9k_hw_common(ah);
projects / cascardo / linux.git / commitdiff