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Commit 37cd9d78 authored by Sujith Manoharan's avatar Sujith Manoharan Committed by John W. Linville
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ath9k_hw: MCI whitespace/debug cleanup 

This patch fixes indentation and the general coding style
in ar9003_mci.c. Also, minimize the amount of debug log
output generated by MCI.
Signed-off-by: default avatarSujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 0cc4cdeb
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Showing with 68 additions and 294 deletions
drivers/net/wireless/ath/ath9k/ar9003_mci.c
View file @ 37cd9d78
......@@ -35,13 +35,10 @@ static int ar9003_mci_wait_for_interrupt(struct ath_hw *ah, u32 address,
struct ath_common *common = ath9k_hw_common(ah);
while (time_out) {
if (REG_READ(ah, address) & bit_position) {
REG_WRITE(ah, address, bit_position);
if (address == AR_MCI_INTERRUPT_RX_MSG_RAW) {
if (bit_position &
AR_MCI_INTERRUPT_RX_MSG_REQ_WAKE)
ar9003_mci_reset_req_wakeup(ah);
......@@ -127,30 +124,27 @@ static void ar9003_mci_send_sys_sleeping(struct ath_hw *ah, bool wait_done)
static void ar9003_mci_send_coex_version_query(struct ath_hw *ah,
bool wait_done)
{
struct ath_common *common = ath9k_hw_common(ah);
struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci;
u32 payload[4] = {0, 0, 0, 0};
if (!mci->bt_version_known &&
(mci->bt_state != MCI_BT_SLEEP)) {
ath_dbg(common, MCI, "MCI Send Coex version query\n");
(mci->bt_state != MCI_BT_SLEEP)) {
MCI_GPM_SET_TYPE_OPCODE(payload,
MCI_GPM_COEX_AGENT, MCI_GPM_COEX_VERSION_QUERY);
MCI_GPM_COEX_AGENT,
MCI_GPM_COEX_VERSION_QUERY);
ar9003_mci_send_message(ah, MCI_GPM, 0, payload, 16,
wait_done, true);
wait_done, true);
}
}
static void ar9003_mci_send_coex_version_response(struct ath_hw *ah,
bool wait_done)
bool wait_done)
{
struct ath_common *common = ath9k_hw_common(ah);
struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci;
u32 payload[4] = {0, 0, 0, 0};
ath_dbg(common, MCI, "MCI Send Coex version response\n");
MCI_GPM_SET_TYPE_OPCODE(payload, MCI_GPM_COEX_AGENT,
MCI_GPM_COEX_VERSION_RESPONSE);
MCI_GPM_COEX_VERSION_RESPONSE);
*(((u8 *)payload) + MCI_GPM_COEX_B_MAJOR_VERSION) =
mci->wlan_ver_major;
*(((u8 *)payload) + MCI_GPM_COEX_B_MINOR_VERSION) =
......@@ -159,15 +153,16 @@ static void ar9003_mci_send_coex_version_response(struct ath_hw *ah,
}
static void ar9003_mci_send_coex_wlan_channels(struct ath_hw *ah,
bool wait_done)
bool wait_done)
{
struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci;
u32 *payload = &mci->wlan_channels[0];
if ((mci->wlan_channels_update == true) &&
(mci->bt_state != MCI_BT_SLEEP)) {
(mci->bt_state != MCI_BT_SLEEP)) {
MCI_GPM_SET_TYPE_OPCODE(payload,
MCI_GPM_COEX_AGENT, MCI_GPM_COEX_WLAN_CHANNELS);
MCI_GPM_COEX_AGENT,
MCI_GPM_COEX_WLAN_CHANNELS);
ar9003_mci_send_message(ah, MCI_GPM, 0, payload, 16,
wait_done, true);
MCI_GPM_SET_TYPE_OPCODE(payload, 0xff, 0xff);
......@@ -177,7 +172,6 @@ static void ar9003_mci_send_coex_wlan_channels(struct ath_hw *ah,
static void ar9003_mci_send_coex_bt_status_query(struct ath_hw *ah,
bool wait_done, u8 query_type)
{
struct ath_common *common = ath9k_hw_common(ah);
struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci;
u32 payload[4] = {0, 0, 0, 0};
bool query_btinfo = !!(query_type & (MCI_GPM_COEX_QUERY_BT_ALL_INFO |
......@@ -185,25 +179,19 @@ static void ar9003_mci_send_coex_bt_status_query(struct ath_hw *ah,
if (mci->bt_state != MCI_BT_SLEEP) {
ath_dbg(common, MCI, "MCI Send Coex BT Status Query 0x%02X\n",
query_type);
MCI_GPM_SET_TYPE_OPCODE(payload,
MCI_GPM_COEX_AGENT, MCI_GPM_COEX_STATUS_QUERY);
MCI_GPM_SET_TYPE_OPCODE(payload, MCI_GPM_COEX_AGENT,
MCI_GPM_COEX_STATUS_QUERY);
*(((u8 *)payload) + MCI_GPM_COEX_B_BT_BITMAP) = query_type;
/*
* If bt_status_query message is not sent successfully,
* then need_flush_btinfo should be set again.
*/
if (!ar9003_mci_send_message(ah, MCI_GPM, 0, payload, 16,
wait_done, true)) {
if (query_btinfo) {
if (query_btinfo)
mci->need_flush_btinfo = true;
ath_dbg(common, MCI,
"MCI send bt_status_query fail, set flush flag again\n");
}
}
if (query_btinfo)
......@@ -214,15 +202,11 @@ static void ar9003_mci_send_coex_bt_status_query(struct ath_hw *ah,
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;
u32 payload[4] = {0, 0, 0, 0};
ath_dbg(common, MCI, "MCI Send Coex %s BT GPM\n",
(halt) ? "halt" : "unhalt");
MCI_GPM_SET_TYPE_OPCODE(payload,
MCI_GPM_COEX_AGENT, MCI_GPM_COEX_HALT_BT_GPM);
MCI_GPM_SET_TYPE_OPCODE(payload, MCI_GPM_COEX_AGENT,
MCI_GPM_COEX_HALT_BT_GPM);
if (halt) {
mci->query_bt = true;
......@@ -238,7 +222,6 @@ static void ar9003_mci_send_coex_halt_bt_gpm(struct ath_hw *ah, bool halt,
ar9003_mci_send_message(ah, MCI_GPM, 0, payload, 16, wait_done, true);
}
static void ar9003_mci_prep_interface(struct ath_hw *ah)
{
struct ath_common *common = ath9k_hw_common(ah);
......@@ -255,18 +238,12 @@ static void ar9003_mci_prep_interface(struct ath_hw *ah)
REG_WRITE(ah, AR_MCI_INTERRUPT_RAW,
REG_READ(ah, AR_MCI_INTERRUPT_RAW));
/* Remote Reset */
ath_dbg(common, MCI, "MCI Reset sequence start\n");
ath_dbg(common, MCI, "MCI send REMOTE_RESET\n");
ar9003_mci_remote_reset(ah, true);
ath_dbg(common, MCI, "MCI Send REQ_WAKE to remoter(BT)\n");
ar9003_mci_send_req_wake(ah, true);
if (ar9003_mci_wait_for_interrupt(ah, AR_MCI_INTERRUPT_RX_MSG_RAW,
AR_MCI_INTERRUPT_RX_MSG_SYS_WAKING, 500)) {
AR_MCI_INTERRUPT_RX_MSG_SYS_WAKING, 500)) {
ath_dbg(common, MCI, "MCI SYS_WAKING from remote(BT)\n");
mci->bt_state = MCI_BT_AWAKE;
/*
......@@ -285,11 +262,6 @@ static void ar9003_mci_prep_interface(struct ath_hw *ah)
* Similarly, if in any case, WLAN can receive BT's sys_waking,
* that means WLAN's RX is also fine.
*/
/* Send SYS_WAKING to BT */
ath_dbg(common, MCI, "MCI send SW SYS_WAKING to remote BT\n");
ar9003_mci_send_sys_waking(ah, true);
udelay(10);
......@@ -297,7 +269,6 @@ static void ar9003_mci_prep_interface(struct ath_hw *ah)
* Set BT priority interrupt value to be 0xff to
* avoid having too many BT PRIORITY interrupts.
*/
REG_WRITE(ah, AR_MCI_BT_PRI0, 0xFFFFFFFF);
REG_WRITE(ah, AR_MCI_BT_PRI1, 0xFFFFFFFF);
REG_WRITE(ah, AR_MCI_BT_PRI2, 0xFFFFFFFF);
......@@ -316,17 +287,15 @@ static void ar9003_mci_prep_interface(struct ath_hw *ah)
AR_MCI_INTERRUPT_BT_PRI);
if (mci->is_2g) {
/* Send LNA_TRANS */
ath_dbg(common, MCI, "MCI send LNA_TRANS to BT\n");
ar9003_mci_send_lna_transfer(ah, true);
udelay(5);
}
if ((mci->is_2g && !mci->update_2g5g)) {
if (ar9003_mci_wait_for_interrupt(ah,
AR_MCI_INTERRUPT_RX_MSG_RAW,
AR_MCI_INTERRUPT_RX_MSG_LNA_INFO,
mci_timeout))
AR_MCI_INTERRUPT_RX_MSG_RAW,
AR_MCI_INTERRUPT_RX_MSG_LNA_INFO,
mci_timeout))
ath_dbg(common, MCI,
"MCI WLAN has control over the LNA & BT obeys it\n");
else
......@@ -339,13 +308,12 @@ static void ar9003_mci_prep_interface(struct ath_hw *ah)
if ((mci->bt_state == MCI_BT_AWAKE) &&
(REG_READ_FIELD(ah, AR_MCI_INTERRUPT_RX_MSG_RAW,
AR_MCI_INTERRUPT_RX_MSG_SYS_WAKING)) &&
(REG_READ_FIELD(ah, AR_MCI_INTERRUPT_RX_MSG_RAW,
AR_MCI_INTERRUPT_RX_MSG_SYS_SLEEPING) == 0)) {
REG_WRITE(ah, AR_MCI_INTERRUPT_RX_MSG_RAW,
AR_MCI_INTERRUPT_RX_MSG_SYS_WAKING);
REG_WRITE(ah, AR_MCI_INTERRUPT_RAW,
AR_MCI_INTERRUPT_REMOTE_SLEEP_UPDATE);
(REG_READ_FIELD(ah, AR_MCI_INTERRUPT_RX_MSG_RAW,
AR_MCI_INTERRUPT_RX_MSG_SYS_SLEEPING) == 0)) {
REG_WRITE(ah, AR_MCI_INTERRUPT_RX_MSG_RAW,
AR_MCI_INTERRUPT_RX_MSG_SYS_WAKING);
REG_WRITE(ah, AR_MCI_INTERRUPT_RAW,
AR_MCI_INTERRUPT_REMOTE_SLEEP_UPDATE);
}
REG_WRITE(ah, AR_MCI_INTERRUPT_EN, saved_mci_int_en);
......@@ -353,14 +321,11 @@ static void ar9003_mci_prep_interface(struct ath_hw *ah)
void ar9003_mci_set_full_sleep(struct ath_hw *ah)
{
struct ath_common *common = ath9k_hw_common(ah);
struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci;
if (ar9003_mci_state(ah, MCI_STATE_ENABLE, NULL) &&
(mci->bt_state != MCI_BT_SLEEP) &&
!mci->halted_bt_gpm) {
ath_dbg(common, MCI,
"MCI halt BT GPM (full_sleep)\n");
ar9003_mci_send_coex_halt_bt_gpm(ah, true, true);
}
......@@ -441,7 +406,6 @@ static void ar9003_mci_2g5g_changed(struct ath_hw *ah, bool is_2g)
static bool ar9003_mci_is_gpm_valid(struct ath_hw *ah, u32 msg_index)
{
struct ath_common *common = ath9k_hw_common(ah);
struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci;
u32 *payload;
u32 recv_type, offset;
......@@ -454,10 +418,8 @@ static bool ar9003_mci_is_gpm_valid(struct ath_hw *ah, u32 msg_index)
payload = (u32 *)(mci->gpm_buf + offset);
recv_type = MCI_GPM_TYPE(payload);
if (recv_type == MCI_GPM_RSVD_PATTERN) {
ath_dbg(common, MCI, "MCI Skip RSVD GPM\n");
if (recv_type == MCI_GPM_RSVD_PATTERN)
return false;
}
return true;
}
......@@ -465,29 +427,23 @@ static bool ar9003_mci_is_gpm_valid(struct ath_hw *ah, u32 msg_index)
static void ar9003_mci_observation_set_up(struct ath_hw *ah)
{
struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci;
if (mci->config & ATH_MCI_CONFIG_MCI_OBS_MCI) {
ath9k_hw_cfg_output(ah, 3,
AR_GPIO_OUTPUT_MUX_AS_MCI_WLAN_DATA);
if (mci->config & ATH_MCI_CONFIG_MCI_OBS_MCI) {
ath9k_hw_cfg_output(ah, 3, AR_GPIO_OUTPUT_MUX_AS_MCI_WLAN_DATA);
ath9k_hw_cfg_output(ah, 2, AR_GPIO_OUTPUT_MUX_AS_MCI_WLAN_CLK);
ath9k_hw_cfg_output(ah, 1, AR_GPIO_OUTPUT_MUX_AS_MCI_BT_DATA);
ath9k_hw_cfg_output(ah, 0, AR_GPIO_OUTPUT_MUX_AS_MCI_BT_CLK);
} else if (mci->config & ATH_MCI_CONFIG_MCI_OBS_TXRX) {
ath9k_hw_cfg_output(ah, 3, AR_GPIO_OUTPUT_MUX_AS_WL_IN_TX);
ath9k_hw_cfg_output(ah, 2, AR_GPIO_OUTPUT_MUX_AS_WL_IN_RX);
ath9k_hw_cfg_output(ah, 1, AR_GPIO_OUTPUT_MUX_AS_BT_IN_TX);
ath9k_hw_cfg_output(ah, 0, AR_GPIO_OUTPUT_MUX_AS_BT_IN_RX);
ath9k_hw_cfg_output(ah, 5, AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
} else if (mci->config & ATH_MCI_CONFIG_MCI_OBS_BT) {
ath9k_hw_cfg_output(ah, 3, AR_GPIO_OUTPUT_MUX_AS_BT_IN_TX);
ath9k_hw_cfg_output(ah, 2, AR_GPIO_OUTPUT_MUX_AS_BT_IN_RX);
ath9k_hw_cfg_output(ah, 1, AR_GPIO_OUTPUT_MUX_AS_MCI_BT_DATA);
ath9k_hw_cfg_output(ah, 0, AR_GPIO_OUTPUT_MUX_AS_MCI_BT_CLK);
} else
return;
......@@ -509,13 +465,12 @@ static void ar9003_mci_observation_set_up(struct ath_hw *ah)
}
static bool ar9003_mci_send_coex_bt_flags(struct ath_hw *ah, bool wait_done,
u8 opcode, u32 bt_flags)
u8 opcode, u32 bt_flags)
{
struct ath_common *common = ath9k_hw_common(ah);
u32 pld[4] = {0, 0, 0, 0};
MCI_GPM_SET_TYPE_OPCODE(pld,
MCI_GPM_COEX_AGENT, MCI_GPM_COEX_BT_UPDATE_FLAGS);
MCI_GPM_SET_TYPE_OPCODE(pld, MCI_GPM_COEX_AGENT,
MCI_GPM_COEX_BT_UPDATE_FLAGS);
*(((u8 *)pld) + MCI_GPM_COEX_B_BT_FLAGS_OP) = opcode;
*(((u8 *)pld) + MCI_GPM_COEX_W_BT_FLAGS + 0) = bt_flags & 0xFF;
......@@ -523,40 +478,27 @@ static bool ar9003_mci_send_coex_bt_flags(struct ath_hw *ah, bool wait_done,
*(((u8 *)pld) + MCI_GPM_COEX_W_BT_FLAGS + 2) = (bt_flags >> 16) & 0xFF;
*(((u8 *)pld) + MCI_GPM_COEX_W_BT_FLAGS + 3) = (bt_flags >> 24) & 0xFF;
ath_dbg(common, MCI,
"MCI BT_MCI_FLAGS: Send Coex BT Update Flags %s 0x%08x\n",
opcode == MCI_GPM_COEX_BT_FLAGS_READ ? "READ" :
opcode == MCI_GPM_COEX_BT_FLAGS_SET ? "SET" : "CLEAR",
bt_flags);
return ar9003_mci_send_message(ah, MCI_GPM, 0, pld, 16,
wait_done, true);
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;
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);
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) {
ath_dbg(common, MCI, "MCI unhalt BT GPM\n");
if (mci->unhalt_bt_gpm == true)
ar9003_mci_send_coex_halt_bt_gpm(ah, false, true);
}
}
}
......@@ -654,8 +596,8 @@ static u32 ar9003_mci_wait_for_gpm(struct ath_hw *ah, u8 gpm_type,
if (!time_out)
break;
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)
continue;
......@@ -665,24 +607,17 @@ static u32 ar9003_mci_wait_for_gpm(struct ath_hw *ah, u8 gpm_type,
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))
} else if ((recv_type == gpm_type) && (recv_opcode == gpm_opcode)) {
break;
/* not expected message */
}
/*
* check if it's cal_grant
......@@ -703,45 +638,31 @@ static u32 ar9003_mci_wait_for_gpm(struct ath_hw *ah, u8 gpm_type,
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);
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);
recv_opcode, p_gpm);
}
}
if (p_gpm) {
MCI_GPM_RECYCLE(p_gpm);
p_gpm = NULL;
}
if (time_out <= 0) {
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;
......@@ -770,8 +691,6 @@ bool ar9003_mci_start_reset(struct ath_hw *ah, struct ath9k_channel *chan)
if (mci_hw->bt_state != MCI_BT_CAL_START)
return false;
ath_dbg(common, MCI, "MCI stop rx for BT CAL\n");
mci_hw->bt_state = MCI_BT_CAL;
/*
......@@ -779,26 +698,20 @@ bool ar9003_mci_start_reset(struct ath_hw *ah, struct ath9k_channel *chan)
* SW_MSG_DONE or RX_MSG bits to trigger MCI_INT and
* lead to mci_intr reentry.
*/
ar9003_mci_disable_interrupt(ah);
ath_dbg(common, MCI, "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, true, false);
ath_dbg(common, MCI, "\nMCI BT is calibrating\n");
/* Wait BT calibration to be completed for 25ms */
if (ar9003_mci_wait_for_gpm(ah, MCI_GPM_BT_CAL_DONE,
0, 25000))
ath_dbg(common, MCI,
"MCI got BT_CAL_DONE\n");
ath_dbg(common, MCI, "MCI BT_CAL_DONE received\n");
else
ath_dbg(common, MCI,
"MCI ### BT cal takes to long, force bt_state to be bt_awake\n");
"MCI BT_CAL_DONE not received\n");
mci_hw->bt_state = MCI_BT_AWAKE;
/* MCI FIX: enable mci interrupt here */
......@@ -810,7 +723,6 @@ bool ar9003_mci_start_reset(struct ath_hw *ah, struct ath9k_channel *chan)
int ar9003_mci_end_reset(struct ath_hw *ah, struct ath9k_channel *chan,
struct ath9k_hw_cal_data *caldata)
{
struct ath_common *common = ath9k_hw_common(ah);
struct ath9k_hw_mci *mci_hw = &ah->btcoex_hw.mci;
if (!mci_hw->ready)
......@@ -828,16 +740,10 @@ int ar9003_mci_end_reset(struct ath_hw *ah, struct ath9k_channel *chan,
* WLAN calibration, need to go through all
* message exchanges again and recal.
*/
ath_dbg(common, MCI,
"MCI BT wakes up during WLAN calibration\n");
REG_WRITE(ah, AR_MCI_INTERRUPT_RX_MSG_RAW,
AR_MCI_INTERRUPT_RX_MSG_REMOTE_RESET |
AR_MCI_INTERRUPT_RX_MSG_REQ_WAKE);
ath_dbg(common, MCI, "MCI send REMOTE_RESET\n");
ar9003_mci_remote_reset(ah, true);
ar9003_mci_send_sys_waking(ah, true);
udelay(1);
......@@ -847,8 +753,6 @@ int ar9003_mci_end_reset(struct ath_hw *ah, struct ath9k_channel *chan,
mci_hw->bt_state = MCI_BT_AWAKE;
ath_dbg(common, MCI, "MCI re-cal\n");
if (caldata) {
caldata->done_txiqcal_once = false;
caldata->done_txclcal_once = false;
......@@ -866,8 +770,6 @@ int ar9003_mci_end_reset(struct ath_hw *ah, struct ath9k_channel *chan,
static void ar9003_mci_mute_bt(struct ath_hw *ah)
{
struct ath_common *common = ath9k_hw_common(ah);
/* disable all MCI messages */
REG_WRITE(ah, AR_MCI_MSG_ATTRIBUTES_TABLE, 0xffff0000);
REG_WRITE(ah, AR_BTCOEX_WL_WEIGHTS0, 0xffffffff);
......@@ -884,13 +786,10 @@ static void ar9003_mci_mute_bt(struct ath_hw *ah)
* 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);
}
......@@ -1041,12 +940,10 @@ void ar9003_mci_stop_bt(struct ath_hw *ah, bool save_fullsleep)
static void ar9003_mci_send_2g5g_status(struct ath_hw *ah, bool wait_done)
{
struct ath_common *common = ath9k_hw_common(ah);
struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci;
u32 new_flags, to_set, to_clear;
if (mci->update_2g5g && (mci->bt_state != MCI_BT_SLEEP)) {
if (mci->is_2g) {
new_flags = MCI_2G_FLAGS;
to_clear = MCI_2G_FLAGS_CLEAR_MASK;
......@@ -1057,41 +954,23 @@ static void ar9003_mci_send_2g5g_status(struct ath_hw *ah, bool wait_done)
to_set = MCI_5G_FLAGS_SET_MASK;
}
ath_dbg(common, MCI,
"MCI BT_MCI_FLAGS: %s 0x%08x clr=0x%08x, set=0x%08x\n",
mci->is_2g ? "2G" : "5G", new_flags, to_clear, to_set);
if (to_clear)
ar9003_mci_send_coex_bt_flags(ah, wait_done,
MCI_GPM_COEX_BT_FLAGS_CLEAR, to_clear);
MCI_GPM_COEX_BT_FLAGS_CLEAR,
to_clear);
if (to_set)
ar9003_mci_send_coex_bt_flags(ah, wait_done,
MCI_GPM_COEX_BT_FLAGS_SET, to_set);
MCI_GPM_COEX_BT_FLAGS_SET,
to_set);
}
}
static void ar9003_mci_queue_unsent_gpm(struct ath_hw *ah, u8 header,
u32 *payload, bool queue)
{
struct ath_common *common = ath9k_hw_common(ah);
struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci;
u8 type, opcode;
if (queue) {
if (payload)
ath_dbg(common, MCI,
"MCI ERROR: Send fail: %02x: %02x %02x %02x\n",
header,
*(((u8 *)payload) + 4),
*(((u8 *)payload) + 5),
*(((u8 *)payload) + 6));
else
ath_dbg(common, MCI, "MCI ERROR: Send fail: %02x\n",
header);
}
/* check if the message is to be queued */
if (header != MCI_GPM)
return;
......@@ -1104,61 +983,29 @@ static void ar9003_mci_queue_unsent_gpm(struct ath_hw *ah, u8 header,
switch (opcode) {
case MCI_GPM_COEX_BT_UPDATE_FLAGS:
if (*(((u8 *)payload) + MCI_GPM_COEX_B_BT_FLAGS_OP) ==
MCI_GPM_COEX_BT_FLAGS_READ)
break;
mci->update_2g5g = queue;
if (queue)
ath_dbg(common, MCI,
"MCI BT_MCI_FLAGS: 2G5G status <queued> %s\n",
mci->is_2g ? "2G" : "5G");
else
ath_dbg(common, MCI,
"MCI BT_MCI_FLAGS: 2G5G status <sent> %s\n",
mci->is_2g ? "2G" : "5G");
break;
case MCI_GPM_COEX_WLAN_CHANNELS:
mci->wlan_channels_update = queue;
if (queue)
ath_dbg(common, MCI, "MCI WLAN channel map <queued>\n");
else
ath_dbg(common, MCI, "MCI WLAN channel map <sent>\n");
break;
case MCI_GPM_COEX_HALT_BT_GPM:
if (*(((u8 *)payload) + MCI_GPM_COEX_B_HALT_STATE) ==
MCI_GPM_COEX_BT_GPM_UNHALT) {
MCI_GPM_COEX_BT_GPM_UNHALT) {
mci->unhalt_bt_gpm = queue;
if (queue)
ath_dbg(common, MCI,
"MCI UNHALT BT GPM <queued>\n");
else {
if (!queue)
mci->halted_bt_gpm = false;
ath_dbg(common, MCI,
"MCI UNHALT BT GPM <sent>\n");
}
}
if (*(((u8 *)payload) + MCI_GPM_COEX_B_HALT_STATE) ==
MCI_GPM_COEX_BT_GPM_HALT) {
mci->halted_bt_gpm = !queue;
if (queue)
ath_dbg(common, MCI,
"MCI HALT BT GPM <not sent>\n");
else
ath_dbg(common, MCI,
"MCI UNHALT BT GPM <sent>\n");
}
break;
......@@ -1169,36 +1016,29 @@ static void ar9003_mci_queue_unsent_gpm(struct ath_hw *ah, u8 header,
void ar9003_mci_2g5g_switch(struct ath_hw *ah, bool wait_done)
{
struct ath_common *common = ath9k_hw_common(ah);
struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci;
if (mci->update_2g5g) {
if (mci->is_2g) {
ar9003_mci_send_2g5g_status(ah, true);
ath_dbg(common, MCI, "MCI Send LNA trans\n");
ar9003_mci_send_lna_transfer(ah, true);
udelay(5);
REG_CLR_BIT(ah, AR_MCI_TX_CTRL,
AR_MCI_TX_CTRL_DISABLE_LNA_UPDATE);
REG_CLR_BIT(ah, AR_PHY_GLB_CONTROL,
AR_BTCOEX_CTRL_BT_OWN_SPDT_CTRL);
REG_CLR_BIT(ah, AR_PHY_GLB_CONTROL,
AR_BTCOEX_CTRL_BT_OWN_SPDT_CTRL);
if (!(mci->config &
ATH_MCI_CONFIG_DISABLE_OSLA)) {
REG_SET_BIT(ah, AR_BTCOEX_CTRL,
AR_BTCOEX_CTRL_ONE_STEP_LOOK_AHEAD_EN);
if (!(mci->config & ATH_MCI_CONFIG_DISABLE_OSLA)) {
REG_SET_BIT(ah, AR_BTCOEX_CTRL,
AR_BTCOEX_CTRL_ONE_STEP_LOOK_AHEAD_EN);
}
} else {
ath_dbg(common, MCI, "MCI Send LNA take\n");
ar9003_mci_send_lna_take(ah, true);
udelay(5);
REG_SET_BIT(ah, AR_MCI_TX_CTRL,
AR_MCI_TX_CTRL_DISABLE_LNA_UPDATE);
REG_SET_BIT(ah, AR_PHY_GLB_CONTROL,
AR_BTCOEX_CTRL_BT_OWN_SPDT_CTRL);
REG_CLR_BIT(ah, AR_BTCOEX_CTRL,
......@@ -1224,21 +1064,15 @@ bool ar9003_mci_send_message(struct ath_hw *ah, u8 header, u32 flag,
regval = REG_READ(ah, AR_BTCOEX_CTRL);
if ((regval == 0xdeadbeef) || !(regval & AR_BTCOEX_CTRL_MCI_MODE_EN)) {
ath_dbg(common, MCI,
"MCI Not sending 0x%x. MCI is not enabled. full_sleep = %d\n",
header,
(ah->power_mode == ATH9K_PM_FULL_SLEEP) ? 1 : 0);
header, (ah->power_mode == ATH9K_PM_FULL_SLEEP) ? 1 : 0);
ar9003_mci_queue_unsent_gpm(ah, header, payload, true);
return false;
} else if (check_bt && (mci->bt_state == MCI_BT_SLEEP)) {
ath_dbg(common, MCI,
"MCI Don't send message 0x%x. BT is in sleep state\n",
header);
ar9003_mci_queue_unsent_gpm(ah, header, payload, true);
return false;
}
......@@ -1266,7 +1100,7 @@ bool ar9003_mci_send_message(struct ath_hw *ah, u8 header, u32 flag,
if (wait_done &&
!(ar9003_mci_wait_for_interrupt(ah, AR_MCI_INTERRUPT_RAW,
AR_MCI_INTERRUPT_SW_MSG_DONE, 500)))
AR_MCI_INTERRUPT_SW_MSG_DONE, 500)))
ar9003_mci_queue_unsent_gpm(ah, header, payload, true);
else {
ar9003_mci_queue_unsent_gpm(ah, header, payload, false);
......@@ -1290,29 +1124,21 @@ void ar9003_mci_init_cal_req(struct ath_hw *ah, bool *is_reusable)
(mci_hw->config & ATH_MCI_CONFIG_DISABLE_MCI_CAL))
return;
/* send CAL_REQ only when BT is AWAKE. */
ath_dbg(common, MCI, "MCI send WLAN_CAL_REQ 0x%x\n",
mci_hw->wlan_cal_seq);
MCI_GPM_SET_CAL_TYPE(pld, MCI_GPM_WLAN_CAL_REQ);
pld[MCI_GPM_WLAN_CAL_W_SEQUENCE] = mci_hw->wlan_cal_seq++;
ar9003_mci_send_message(ah, MCI_GPM, 0, pld, 16, true, false);
/* Wait BT_CAL_GRANT for 50ms */
ath_dbg(common, MCI, "MCI wait for BT_CAL_GRANT\n");
if (ar9003_mci_wait_for_gpm(ah, MCI_GPM_BT_CAL_GRANT, 0, 50000)) {
ath_dbg(common, MCI, "MCI got BT_CAL_GRANT\n");
ath_dbg(common, MCI, "MCI BT_CAL_GRANT received\n");
} else {
is_reusable = false;
ath_dbg(common, MCI, "MCI BT is not responding\n");
ath_dbg(common, MCI, "MCI BT_CAL_GRANT not received\n");
}
}
void ar9003_mci_init_cal_done(struct ath_hw *ah)
{
struct ath_common *common = ath9k_hw_common(ah);
struct ath9k_hw_mci *mci_hw = &ah->btcoex_hw.mci;
u32 pld[4] = {0, 0, 0, 0};
......@@ -1320,9 +1146,6 @@ void ar9003_mci_init_cal_done(struct ath_hw *ah)
(mci_hw->config & ATH_MCI_CONFIG_DISABLE_MCI_CAL))
return;
ath_dbg(common, MCI, "MCI Send WLAN_CAL_DONE 0x%x\n",
mci_hw->wlan_cal_done);
MCI_GPM_SET_CAL_TYPE(pld, MCI_GPM_WLAN_CAL_DONE);
pld[MCI_GPM_WLAN_CAL_W_SEQUENCE] = mci_hw->wlan_cal_done++;
ar9003_mci_send_message(ah, MCI_GPM, 0, pld, 16, true, false);
......@@ -1360,7 +1183,6 @@ u32 ar9003_mci_state(struct ath_hw *ah, u32 state_type, u32 *p_data)
switch (state_type) {
case MCI_STATE_ENABLE:
if (mci->ready) {
value = REG_READ(ah, AR_BTCOEX_CTRL);
if ((value == 0xdeadbeef) || (value == 0xffffffff))
......@@ -1370,7 +1192,6 @@ u32 ar9003_mci_state(struct ath_hw *ah, u32 state_type, u32 *p_data)
break;
case MCI_STATE_INIT_GPM_OFFSET:
value = MS(REG_READ(ah, AR_MCI_GPM_1), AR_MCI_GPM_WRITE_PTR);
ath_dbg(common, MCI, "MCI GPM initial WRITE_PTR=%d\n", value);
mci->gpm_idx = value;
break;
case MCI_STATE_NEXT_GPM_OFFSET:
......@@ -1393,32 +1214,21 @@ u32 ar9003_mci_state(struct ath_hw *ah, u32 state_type, u32 *p_data)
if (value == 0)
value = mci->gpm_len - 1;
else if (value >= mci->gpm_len) {
if (value != 0xFFFF) {
if (value != 0xFFFF)
value = 0;
ath_dbg(common, MCI,
"MCI GPM offset out of range\n");
}
} else
} else {
value--;
}
if (value == 0xFFFF) {
value = MCI_GPM_INVALID;
more_gpm = MCI_GPM_NOMORE;
ath_dbg(common, MCI,
"MCI GPM ptr invalid @ptr=%d, offset=%d, more=GPM_NOMORE\n",
gpm_ptr, value);
} else if (state_type == MCI_STATE_NEXT_GPM_OFFSET) {
if (gpm_ptr == mci->gpm_idx) {
value = MCI_GPM_INVALID;
more_gpm = MCI_GPM_NOMORE;
ath_dbg(common, MCI,
"MCI GPM message not available @ptr=%d, @offset=%d, more=GPM_NOMORE\n",
gpm_ptr, value);
} else {
for (;;) {
u32 temp_index;
/* skip reserved GPM if any */
......@@ -1435,13 +1245,8 @@ u32 ar9003_mci_state(struct ath_hw *ah, u32 state_type, u32 *p_data)
mci->gpm_len)
mci->gpm_idx = 0;
ath_dbg(common, MCI,
"MCI GPM message got ptr=%d, @offset=%d, more=%d\n",
gpm_ptr, temp_index,
(more_gpm == MCI_GPM_MORE));
if (ar9003_mci_is_gpm_valid(ah,
temp_index)) {
temp_index)) {
value = temp_index;
break;
}
......@@ -1466,55 +1271,42 @@ u32 ar9003_mci_state(struct ath_hw *ah, u32 state_type, u32 *p_data)
/* 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_CONT_RSSI_POWER:
value = MS(mci->cont_status, AR_MCI_CONT_RSSI_POWER);
break;
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) {
ath_dbg(common, MCI, "MCI unhalt BT GPM\n");
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;
......@@ -1522,22 +1314,16 @@ u32 ar9003_mci_state(struct ath_hw *ah, u32 state_type, u32 *p_data)
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) {
ath_dbg(common, MCI,
"MCI reconfigure observation\n");
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");
......@@ -1549,7 +1335,6 @@ u32 ar9003_mci_state(struct ath_hw *ah, u32 state_type, u32 *p_data)
mci->bt_ver_major, mci->bt_ver_minor);
}
break;
case MCI_STATE_SEND_WLAN_CHANNELS:
if (p_data) {
if (((mci->wlan_channels[1] & 0xffff0000) ==
......@@ -1566,17 +1351,13 @@ u32 ar9003_mci_state(struct ath_hw *ah, u32 state_type, u32 *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:
/*
* btcoex_hw.mci.unhalt_bt_gpm means whether it's
......@@ -1596,28 +1377,21 @@ u32 ar9003_mci_state(struct ath_hw *ah, u32 state_type, u32 *p_data)
mci->need_flush_btinfo =
(*p_data != 0) ? true : false;
break;
case MCI_STATE_RECOVER_RX:
ath_dbg(common, MCI, "MCI hw RECOVER_RX\n");
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;
......
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