void ar9003_mci_send_wlan_channels(struct ath_hw *ah)
{
struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci;
mci->wlan_channels_update = true;
ar9003_mci_send_coex_wlan_channels(ah, true);
}
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 void ar9003_mci_sync_bt_state(struct ath_hw *ah)
{
struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci;
u32 cur_bt_state;
cur_bt_state = ar9003_mci_state(ah, MCI_STATE_REMOTE_SLEEP);
if (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)
ar9003_mci_send_coex_halt_bt_gpm(ah, false, true);
}
}
u32 ar9003_mci_state(struct ath_hw *ah, u32 state_type)
{
struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci;
u32 value = 0;
u8 query_type;
switch (state_type) {
case MCI_STATE_ENABLE:
if (mci->ready) {
value = REG_READ(ah, AR_BTCOEX_CTRL);
if ((value == 0xdeadbeef) || (value == 0xffffffff))
value = 0;
}
value &= AR_BTCOEX_CTRL_MCI_MODE_EN;
break;
case MCI_STATE_LAST_SCHD_MSG_OFFSET:
value = MS(REG_READ(ah, AR_MCI_RX_STATUS),
AR_MCI_RX_LAST_SCHD_MSG_INDEX);
/* Make it in bytes */
value <<= 4;
break;
case MCI_STATE_REMOTE_SLEEP:
value = MS(REG_READ(ah, AR_MCI_RX_STATUS),
AR_MCI_RX_REMOTE_SLEEP) ?
MCI_BT_SLEEP : MCI_BT_AWAKE;
break;
case MCI_STATE_SET_BT_AWAKE:
mci->bt_state = MCI_BT_AWAKE;
ar9003_mci_send_coex_version_query(ah, true);
ar9003_mci_send_coex_wlan_channels(ah, true);
if (mci->unhalt_bt_gpm)
ar9003_mci_send_coex_halt_bt_gpm(ah, false, true);
ar9003_mci_2g5g_switch(ah, false);
break;
case MCI_STATE_RESET_REQ_WAKE:
ar9003_mci_reset_req_wakeup(ah);
mci->update_2g5g = true;
if (mci->config & ATH_MCI_CONFIG_MCI_OBS_MASK) {
/* Check if we still have control of the GPIOs */
if ((REG_READ(ah, AR_GLB_GPIO_CONTROL) &
ATH_MCI_CONFIG_MCI_OBS_GPIO) !=
ATH_MCI_CONFIG_MCI_OBS_GPIO) {
ar9003_mci_observation_set_up(ah);
}
}
break;
case MCI_STATE_SEND_WLAN_COEX_VERSION:
ar9003_mci_send_coex_version_response(ah, true);
break;
case MCI_STATE_SEND_VERSION_QUERY:
ar9003_mci_send_coex_version_query(ah, true);
break;
case MCI_STATE_SEND_STATUS_QUERY:
query_type = MCI_GPM_COEX_QUERY_BT_TOPOLOGY;
ar9003_mci_send_coex_bt_status_query(ah, true, query_type);
break;
case MCI_STATE_RECOVER_RX:
ar9003_mci_prep_interface(ah);
mci->query_bt = true;
mci->need_flush_btinfo = true;
ar9003_mci_send_coex_wlan_channels(ah, true);
ar9003_mci_2g5g_switch(ah, false);
break;
case MCI_STATE_NEED_FTP_STOMP:
value = !(mci->config & ATH_MCI_CONFIG_DISABLE_FTP_STOMP);
break;
default:
break;
}
return value;
}
u32 ar9003_mci_state(struct ath_hw *ah, u32 state_type)
{
struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci;
u32 value = 0, tsf;
u8 query_type;
switch (state_type) {
case MCI_STATE_ENABLE:
if (mci->ready) {
value = REG_READ(ah, AR_BTCOEX_CTRL);
if ((value == 0xdeadbeef) || (value == 0xffffffff))
value = 0;
}
value &= AR_BTCOEX_CTRL_MCI_MODE_EN;
break;
case MCI_STATE_INIT_GPM_OFFSET:
value = MS(REG_READ(ah, AR_MCI_GPM_1), AR_MCI_GPM_WRITE_PTR);
if (value < mci->gpm_len)
mci->gpm_idx = value;
else
mci->gpm_idx = 0;
break;
case MCI_STATE_LAST_SCHD_MSG_OFFSET:
value = MS(REG_READ(ah, AR_MCI_RX_STATUS),
AR_MCI_RX_LAST_SCHD_MSG_INDEX);
/* Make it in bytes */
value <<= 4;
break;
case MCI_STATE_REMOTE_SLEEP:
value = MS(REG_READ(ah, AR_MCI_RX_STATUS),
AR_MCI_RX_REMOTE_SLEEP) ?
MCI_BT_SLEEP : MCI_BT_AWAKE;
break;
case MCI_STATE_SET_BT_AWAKE:
mci->bt_state = MCI_BT_AWAKE;
ar9003_mci_send_coex_version_query(ah, true);
ar9003_mci_send_coex_wlan_channels(ah, true);
if (mci->unhalt_bt_gpm)
ar9003_mci_send_coex_halt_bt_gpm(ah, false, true);
ar9003_mci_2g5g_switch(ah, false);
break;
case MCI_STATE_RESET_REQ_WAKE:
ar9003_mci_reset_req_wakeup(ah);
mci->update_2g5g = true;
if (mci->config & ATH_MCI_CONFIG_MCI_OBS_MASK) {
/* Check if we still have control of the GPIOs */
if ((REG_READ(ah, AR_GLB_GPIO_CONTROL) &
ATH_MCI_CONFIG_MCI_OBS_GPIO) !=
ATH_MCI_CONFIG_MCI_OBS_GPIO) {
ar9003_mci_observation_set_up(ah);
}
}
break;
case MCI_STATE_SEND_WLAN_COEX_VERSION:
ar9003_mci_send_coex_version_response(ah, true);
break;
case MCI_STATE_SEND_VERSION_QUERY:
ar9003_mci_send_coex_version_query(ah, true);
break;
case MCI_STATE_SEND_STATUS_QUERY:
query_type = MCI_GPM_COEX_QUERY_BT_TOPOLOGY;
ar9003_mci_send_coex_bt_status_query(ah, true, query_type);
break;
case MCI_STATE_RECOVER_RX:
tsf = ath9k_hw_gettsf32(ah);
if ((tsf - mci->last_recovery) <= MCI_RECOVERY_DUR_TSF) {
ath_dbg(ath9k_hw_common(ah), MCI,
"(MCI) ignore Rx recovery\n");
break;
}
ath_dbg(ath9k_hw_common(ah), MCI, "(MCI) RECOVER RX\n");
mci->last_recovery = tsf;
ar9003_mci_prep_interface(ah);
mci->query_bt = true;
mci->need_flush_btinfo = true;
ar9003_mci_send_coex_wlan_channels(ah, true);
ar9003_mci_2g5g_switch(ah, false);
break;
case MCI_STATE_NEED_FTP_STOMP:
value = !(mci->config & ATH_MCI_CONFIG_DISABLE_FTP_STOMP);
break;
case MCI_STATE_NEED_FLUSH_BT_INFO:
value = (!mci->unhalt_bt_gpm && mci->need_flush_btinfo) ? 1 : 0;
mci->need_flush_btinfo = false;
break;
case MCI_STATE_AIC_CAL:
if (ath9k_hw_is_aic_enabled(ah))
value = ar9003_aic_calibration(ah);
break;
case MCI_STATE_AIC_START:
if (ath9k_hw_is_aic_enabled(ah))
ar9003_aic_start_normal(ah);
break;
case MCI_STATE_AIC_CAL_RESET:
if (ath9k_hw_is_aic_enabled(ah))
value = ar9003_aic_cal_reset(ah);
break;
case MCI_STATE_AIC_CAL_SINGLE:
if (ath9k_hw_is_aic_enabled(ah))
value = ar9003_aic_calibration_single(ah);
break;
default:
break;
}
return value;
}
u32 ar9003_mci_state(struct ath_hw *ah, u32 state_type, u32 *p_data)
{
struct ath_common *common = ath9k_hw_common(ah);
struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci;
u32 value = 0, more_gpm = 0, gpm_ptr;
u8 query_type;
switch (state_type) {
case MCI_STATE_ENABLE:
if (mci->ready) {
value = REG_READ(ah, AR_BTCOEX_CTRL);
if ((value == 0xdeadbeef) || (value == 0xffffffff))
value = 0;
}
value &= AR_BTCOEX_CTRL_MCI_MODE_EN;
break;
case MCI_STATE_INIT_GPM_OFFSET:
value = MS(REG_READ(ah, AR_MCI_GPM_1), AR_MCI_GPM_WRITE_PTR);
mci->gpm_idx = value;
break;
case MCI_STATE_NEXT_GPM_OFFSET:
case MCI_STATE_LAST_GPM_OFFSET:
REG_WRITE(ah, AR_MCI_INTERRUPT_RX_MSG_RAW,
AR_MCI_INTERRUPT_RX_MSG_GPM);
gpm_ptr = MS(REG_READ(ah, AR_MCI_GPM_1), AR_MCI_GPM_WRITE_PTR);
value = gpm_ptr;
if (value == 0)
value = mci->gpm_len - 1;
else if (value >= mci->gpm_len) {
if (value != 0xFFFF)
value = 0;
} else {
value--;
}
if (value == 0xFFFF) {
value = MCI_GPM_INVALID;
more_gpm = MCI_GPM_NOMORE;
} else if (state_type == MCI_STATE_NEXT_GPM_OFFSET) {
if (gpm_ptr == mci->gpm_idx) {
value = MCI_GPM_INVALID;
more_gpm = MCI_GPM_NOMORE;
} else {
for (;;) {
u32 temp_index;
if (value != mci->gpm_idx)
more_gpm = MCI_GPM_MORE;
else
more_gpm = MCI_GPM_NOMORE;
temp_index = mci->gpm_idx;
mci->gpm_idx++;
if (mci->gpm_idx >=
mci->gpm_len)
mci->gpm_idx = 0;
if (ar9003_mci_is_gpm_valid(ah,
temp_index)) {
value = temp_index;
break;
}
if (more_gpm == MCI_GPM_NOMORE) {
value = MCI_GPM_INVALID;
break;
}
}
}
if (p_data)
*p_data = more_gpm;
}
if (value != MCI_GPM_INVALID)
value <<= 4;
break;
case MCI_STATE_LAST_SCHD_MSG_OFFSET:
value = MS(REG_READ(ah, AR_MCI_RX_STATUS),
AR_MCI_RX_LAST_SCHD_MSG_INDEX);
value <<= 4;
break;
case MCI_STATE_REMOTE_SLEEP:
value = MS(REG_READ(ah, AR_MCI_RX_STATUS),
AR_MCI_RX_REMOTE_SLEEP) ?
MCI_BT_SLEEP : MCI_BT_AWAKE;
break;
case MCI_STATE_CONT_RSSI_POWER:
value = MS(mci->cont_status, AR_MCI_CONT_RSSI_POWER);
break;
case MCI_STATE_CONT_PRIORITY:
value = MS(mci->cont_status, AR_MCI_CONT_RRIORITY);
break;
case MCI_STATE_CONT_TXRX:
value = MS(mci->cont_status, AR_MCI_CONT_TXRX);
break;
case MCI_STATE_BT:
value = mci->bt_state;
break;
case MCI_STATE_SET_BT_SLEEP:
mci->bt_state = MCI_BT_SLEEP;
break;
case MCI_STATE_SET_BT_AWAKE:
mci->bt_state = MCI_BT_AWAKE;
ar9003_mci_send_coex_version_query(ah, true);
ar9003_mci_send_coex_wlan_channels(ah, true);
if (mci->unhalt_bt_gpm)
ar9003_mci_send_coex_halt_bt_gpm(ah, false, true);
ar9003_mci_2g5g_switch(ah, true);
break;
case MCI_STATE_SET_BT_CAL_START:
mci->bt_state = MCI_BT_CAL_START;
break;
case MCI_STATE_SET_BT_CAL:
mci->bt_state = MCI_BT_CAL;
break;
case MCI_STATE_RESET_REQ_WAKE:
ar9003_mci_reset_req_wakeup(ah);
mci->update_2g5g = true;
if (mci->config & ATH_MCI_CONFIG_MCI_OBS_MASK) {
if ((REG_READ(ah, AR_GLB_GPIO_CONTROL) &
ATH_MCI_CONFIG_MCI_OBS_GPIO) !=
ATH_MCI_CONFIG_MCI_OBS_GPIO) {
ar9003_mci_observation_set_up(ah);
}
}
break;
case MCI_STATE_SEND_WLAN_COEX_VERSION:
ar9003_mci_send_coex_version_response(ah, true);
break;
case MCI_STATE_SET_BT_COEX_VERSION:
if (!p_data)
ath_dbg(common, MCI,
"MCI Set BT Coex version with NULL data!!\n");
else {
mci->bt_ver_major = (*p_data >> 8) & 0xff;
mci->bt_ver_minor = (*p_data) & 0xff;
mci->bt_version_known = true;
ath_dbg(common, MCI, "MCI BT version set: %d.%d\n",
mci->bt_ver_major, mci->bt_ver_minor);
}
break;
case MCI_STATE_SEND_WLAN_CHANNELS:
if (p_data) {
if (((mci->wlan_channels[1] & 0xffff0000) ==
(*(p_data + 1) & 0xffff0000)) &&
(mci->wlan_channels[2] == *(p_data + 2)) &&
(mci->wlan_channels[3] == *(p_data + 3)))
break;
mci->wlan_channels[0] = *p_data++;
mci->wlan_channels[1] = *p_data++;
mci->wlan_channels[2] = *p_data++;
mci->wlan_channels[3] = *p_data++;
}
mci->wlan_channels_update = true;
ar9003_mci_send_coex_wlan_channels(ah, true);
break;
case MCI_STATE_SEND_VERSION_QUERY:
ar9003_mci_send_coex_version_query(ah, true);
break;
case MCI_STATE_SEND_STATUS_QUERY:
query_type = MCI_GPM_COEX_QUERY_BT_TOPOLOGY;
ar9003_mci_send_coex_bt_status_query(ah, true, query_type);
break;
case MCI_STATE_NEED_FLUSH_BT_INFO:
value = (!mci->unhalt_bt_gpm &&
mci->need_flush_btinfo) ? 1 : 0;
if (p_data)
mci->need_flush_btinfo =
(*p_data != 0) ? true : false;
break;
case MCI_STATE_RECOVER_RX:
ar9003_mci_prep_interface(ah);
mci->query_bt = true;
mci->need_flush_btinfo = true;
ar9003_mci_send_coex_wlan_channels(ah, true);
ar9003_mci_2g5g_switch(ah, true);
break;
case MCI_STATE_NEED_FTP_STOMP:
value = !(mci->config & ATH_MCI_CONFIG_DISABLE_FTP_STOMP);
break;
case MCI_STATE_NEED_TUNING:
value = !(mci->config & ATH_MCI_CONFIG_DISABLE_TUNING);
break;
default:
break;
}
return value;
}
