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path: root/drivers/net/wireless/ath/ath9k/ar9003_mci.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/ar9003_mci.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/ar9003_mci.c1126
1 files changed, 516 insertions, 610 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mci.c b/drivers/net/wireless/ath/ath9k/ar9003_mci.c
index 709520c6835b..3cac293a2849 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_mci.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_mci.c
@@ -16,14 +16,12 @@
#include <linux/export.h>
#include "hw.h"
+#include "hw-ops.h"
#include "ar9003_phy.h"
#include "ar9003_mci.h"
static void ar9003_mci_reset_req_wakeup(struct ath_hw *ah)
{
- if (!AR_SREV_9462_20(ah))
- return;
-
REG_RMW_FIELD(ah, AR_MCI_COMMAND2,
AR_MCI_COMMAND2_RESET_REQ_WAKEUP, 1);
udelay(1);
@@ -37,13 +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);
@@ -81,25 +76,19 @@ static int ar9003_mci_wait_for_interrupt(struct ath_hw *ah, u32 address,
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};
- if (!ATH9K_HW_CAP_MCI)
- return;
-
ar9003_mci_send_message(ah, MCI_REMOTE_RESET, 0, payload, 16,
wait_done, false);
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;
- if (!ATH9K_HW_CAP_MCI)
- return;
-
ar9003_mci_send_message(ah, MCI_LNA_TRANS, 0, &payload, 1,
wait_done, false);
}
@@ -111,11 +100,8 @@ static void ar9003_mci_send_req_wake(struct ath_hw *ah, bool wait_done)
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;
-
ar9003_mci_send_message(ah, MCI_SYS_WAKING, MCI_FLAG_DISABLE_TIMESTAMP,
NULL, 0, wait_done, false);
}
@@ -138,30 +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) =
@@ -170,15 +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);
@@ -188,7 +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 |
@@ -196,25 +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)
@@ -222,21 +199,14 @@ static void ar9003_mci_send_coex_bt_status_query(struct ath_hw *ah,
}
}
-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;
u32 payload[4] = {0, 0, 0, 0};
- if (!ATH9K_HW_CAP_MCI)
- return;
-
- 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;
@@ -252,7 +222,6 @@ 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);
@@ -269,30 +238,14 @@ 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);
-
- /*
- * This delay is required for the reset delay worst case value 255 in
- * MCI_COMMAND2 register
- */
-
- if (AR_SREV_9462_10(ah))
- udelay(252);
-
- 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;
- if (AR_SREV_9462_10(ah))
- udelay(10);
/*
* we don't need to send more remote_reset at this moment.
* If BT receive first remote_reset, then BT HW will
@@ -309,11 +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);
@@ -321,7 +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);
@@ -339,77 +286,70 @@ static void ar9003_mci_prep_interface(struct ath_hw *ah)
REG_WRITE(ah, AR_MCI_INTERRUPT_RAW,
AR_MCI_INTERRUPT_BT_PRI);
- if (AR_SREV_9462_10(ah) || mci->is_2g) {
- /* Send LNA_TRANS */
- ath_dbg(common, MCI, "MCI send LNA_TRANS to BT\n");
+ if (mci->is_2g) {
ar9003_mci_send_lna_transfer(ah, true);
udelay(5);
}
- if (AR_SREV_9462_10(ah) || (mci->is_2g &&
- !mci->update_2g5g)) {
+ 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
ath_dbg(common, MCI,
"MCI BT didn't respond to LNA_TRANS\n");
}
-
- if (AR_SREV_9462_10(ah)) {
- /* Send another remote_reset to deassert BT clk_req. */
- ath_dbg(common, MCI,
- "MCI another remote_reset to deassert clk_req\n");
- ar9003_mci_remote_reset(ah, true);
- udelay(252);
- }
}
/* Clear the extra redundant SYS_WAKING from BT */
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);
}
-void ar9003_mci_disable_interrupt(struct ath_hw *ah)
+void ar9003_mci_set_full_sleep(struct ath_hw *ah)
{
- if (!ATH9K_HW_CAP_MCI)
- return;
+ 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) {
+ ar9003_mci_send_coex_halt_bt_gpm(ah, true, true);
+ }
+
+ mci->ready = false;
+ REG_WRITE(ah, AR_RTC_KEEP_AWAKE, 0x2);
+}
+
+static void ar9003_mci_disable_interrupt(struct ath_hw *ah)
+{
REG_WRITE(ah, AR_MCI_INTERRUPT_EN, 0);
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;
-
REG_WRITE(ah, AR_MCI_INTERRUPT_EN, AR_MCI_INTERRUPT_DEFAULT);
REG_WRITE(ah, AR_MCI_INTERRUPT_RX_MSG_EN,
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;
- if (!ATH9K_HW_CAP_MCI)
- return false;
-
intr = REG_READ(ah, AR_MCI_INTERRUPT_RX_MSG_RAW);
return ((intr & ints) == ints);
}
@@ -419,9 +359,6 @@ void ar9003_mci_get_interrupt(struct ath_hw *ah, u32 *raw_intr,
{
struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci;
- if (!ATH9K_HW_CAP_MCI)
- return;
-
*raw_intr = mci->raw_intr;
*rx_msg_intr = mci->rx_msg_intr;
@@ -431,12 +368,34 @@ void ar9003_mci_get_interrupt(struct ath_hw *ah, u32 *raw_intr,
}
EXPORT_SYMBOL(ar9003_mci_get_interrupt);
-void ar9003_mci_2g5g_changed(struct ath_hw *ah, bool is_2g)
+void ar9003_mci_get_isr(struct ath_hw *ah, enum ath9k_int *masked)
{
+ struct ath_common *common = ath9k_hw_common(ah);
struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci;
+ u32 raw_intr, rx_msg_intr;
- if (!ATH9K_HW_CAP_MCI)
- return;
+ rx_msg_intr = REG_READ(ah, AR_MCI_INTERRUPT_RX_MSG_RAW);
+ raw_intr = REG_READ(ah, AR_MCI_INTERRUPT_RAW);
+
+ if ((raw_intr == 0xdeadbeef) || (rx_msg_intr == 0xdeadbeef)) {
+ ath_dbg(common, MCI,
+ "MCI gets 0xdeadbeef during int processing\n");
+ } else {
+ mci->rx_msg_intr |= rx_msg_intr;
+ mci->raw_intr |= raw_intr;
+ *masked |= ATH9K_INT_MCI;
+
+ if (rx_msg_intr & AR_MCI_INTERRUPT_RX_MSG_CONT_INFO)
+ mci->cont_status = REG_READ(ah, AR_MCI_CONT_STATUS);
+
+ REG_WRITE(ah, AR_MCI_INTERRUPT_RX_MSG_RAW, rx_msg_intr);
+ REG_WRITE(ah, AR_MCI_INTERRUPT_RAW, raw_intr);
+ }
+}
+
+static void ar9003_mci_2g5g_changed(struct ath_hw *ah, bool is_2g)
+{
+ struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci;
if (!mci->update_2g5g &&
(mci->is_2g != is_2g))
@@ -447,7 +406,6 @@ 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;
@@ -460,10 +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;
}
@@ -471,42 +427,31 @@ 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;
REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL, AR_GPIO_JTAG_DISABLE);
- if (AR_SREV_9462_20_OR_LATER(ah)) {
- REG_RMW_FIELD(ah, AR_PHY_GLB_CONTROL,
- AR_GLB_DS_JTAG_DISABLE, 1);
- REG_RMW_FIELD(ah, AR_PHY_GLB_CONTROL,
- AR_GLB_WLAN_UART_INTF_EN, 0);
- REG_SET_BIT(ah, AR_GLB_GPIO_CONTROL,
- ATH_MCI_CONFIG_MCI_OBS_GPIO);
- }
+ REG_RMW_FIELD(ah, AR_PHY_GLB_CONTROL, AR_GLB_DS_JTAG_DISABLE, 1);
+ REG_RMW_FIELD(ah, AR_PHY_GLB_CONTROL, AR_GLB_WLAN_UART_INTF_EN, 0);
+ REG_SET_BIT(ah, AR_GLB_GPIO_CONTROL, ATH_MCI_CONFIG_MCI_OBS_GPIO);
REG_RMW_FIELD(ah, AR_BTCOEX_CTRL2, AR_BTCOEX_CTRL2_GPIO_OBS_SEL, 0);
REG_RMW_FIELD(ah, AR_BTCOEX_CTRL2, AR_BTCOEX_CTRL2_MAC_BB_OBS_SEL, 1);
@@ -520,13 +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;
@@ -534,32 +478,360 @@ 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);
}
-void ar9003_mci_reset(struct ath_hw *ah, bool en_int, bool is_2g,
- bool is_full_sleep)
+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, NULL);
+
+ 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);
+ }
+}
+
+void ar9003_mci_check_bt(struct ath_hw *ah)
+{
+ struct ath9k_hw_mci *mci_hw = &ah->btcoex_hw.mci;
+
+ if (!mci_hw->ready)
+ return;
+
+ /*
+ * check BT state again to make
+ * sure it's not changed.
+ */
+ ar9003_mci_sync_bt_state(ah);
+ ar9003_mci_2g5g_switch(ah, true);
+
+ if ((mci_hw->bt_state == MCI_BT_AWAKE) &&
+ (mci_hw->query_bt == true)) {
+ mci_hw->need_flush_btinfo = 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;
- u32 regval, thresh;
+ u8 *p_data = (u8 *) p_gpm;
- if (!ATH9K_HW_CAP_MCI)
+ if (gpm_type != MCI_GPM_COEX_AGENT)
return;
- ath_dbg(common, MCI, "MCI full_sleep = %d, is_2g = %d\n",
- is_full_sleep, is_2g);
+ 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);
+
+ 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;
+ continue;
+ }
+ break;
+ }
+ } else if ((recv_type == gpm_type) && (recv_opcode == gpm_opcode)) {
+ break;
+ }
+
+ /*
+ * 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;
+ MCI_GPM_SET_CAL_TYPE(payload,
+ MCI_GPM_WLAN_CAL_GRANT);
+ ar9003_mci_send_message(ah, MCI_GPM, 0, payload, 16,
+ false, false);
+ 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;
+
+ while (more_data == MCI_GPM_MORE) {
+ 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);
+ struct ath9k_hw_mci *mci_hw = &ah->btcoex_hw.mci;
+ u32 payload[4] = {0, 0, 0, 0};
+
+ ar9003_mci_2g5g_changed(ah, IS_CHAN_2GHZ(chan));
+
+ if (mci_hw->bt_state != MCI_BT_CAL_START)
+ return false;
+
+ mci_hw->bt_state = MCI_BT_CAL;
+
+ /*
+ * MCI FIX: disable mci interrupt here. This is to avoid
+ * SW_MSG_DONE or RX_MSG bits to trigger MCI_INT and
+ * lead to mci_intr reentry.
+ */
+ ar9003_mci_disable_interrupt(ah);
+
+ MCI_GPM_SET_CAL_TYPE(payload, MCI_GPM_WLAN_CAL_GRANT);
+ ar9003_mci_send_message(ah, MCI_GPM, 0, payload,
+ 16, true, false);
+
+ /* 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 BT_CAL_DONE received\n");
+ else
+ ath_dbg(common, MCI,
+ "MCI BT_CAL_DONE not received\n");
+
+ mci_hw->bt_state = MCI_BT_AWAKE;
+ /* MCI FIX: enable mci interrupt here */
+ ar9003_mci_enable_interrupt(ah);
+
+ return true;
+}
+
+int ar9003_mci_end_reset(struct ath_hw *ah, struct ath9k_channel *chan,
+ struct ath9k_hw_cal_data *caldata)
+{
+ struct ath9k_hw_mci *mci_hw = &ah->btcoex_hw.mci;
+
+ if (!mci_hw->ready)
+ return 0;
+
+ if (!IS_CHAN_2GHZ(chan) || (mci_hw->bt_state != MCI_BT_SLEEP))
+ goto exit;
+
+ if (ar9003_mci_check_int(ah, AR_MCI_INTERRUPT_RX_MSG_REMOTE_RESET) ||
+ ar9003_mci_check_int(ah, AR_MCI_INTERRUPT_RX_MSG_REQ_WAKE)) {
+
+ /*
+ * BT is sleeping. Check if BT wakes up during
+ * WLAN calibration. If BT wakes up during
+ * WLAN calibration, need to go through all
+ * message exchanges again and recal.
+ */
+ REG_WRITE(ah, AR_MCI_INTERRUPT_RX_MSG_RAW,
+ AR_MCI_INTERRUPT_RX_MSG_REMOTE_RESET |
+ AR_MCI_INTERRUPT_RX_MSG_REQ_WAKE);
+
+ ar9003_mci_remote_reset(ah, true);
+ ar9003_mci_send_sys_waking(ah, true);
+ udelay(1);
+
+ if (IS_CHAN_2GHZ(chan))
+ ar9003_mci_send_lna_transfer(ah, true);
+
+ mci_hw->bt_state = MCI_BT_AWAKE;
+
+ if (caldata) {
+ caldata->done_txiqcal_once = false;
+ caldata->done_txclcal_once = false;
+ caldata->rtt_hist.num_readings = 0;
+ }
+
+ if (!ath9k_hw_init_cal(ah, chan))
+ return -EIO;
+
+ }
+exit:
+ ar9003_mci_enable_interrupt(ah);
+ return 0;
+}
+
+static void ar9003_mci_mute_bt(struct ath_hw *ah)
+{
+ /* 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);
/*
- * GPM buffer and scheduling message buffer are not allocated
+ * 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
*/
+ ar9003_mci_send_lna_take(ah, true);
+
+ udelay(5);
+
+ ar9003_mci_send_sys_sleeping(ah, true);
+}
+
+static void ar9003_mci_osla_setup(struct ath_hw *ah, bool enable)
+{
+ struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci;
+ u32 thresh;
+
+ if (enable) {
+ REG_RMW_FIELD(ah, AR_MCI_SCHD_TABLE_2,
+ AR_MCI_SCHD_TABLE_2_HW_BASED, 1);
+ REG_RMW_FIELD(ah, AR_MCI_SCHD_TABLE_2,
+ AR_MCI_SCHD_TABLE_2_MEM_BASED, 1);
+
+ if (!(mci->config & ATH_MCI_CONFIG_DISABLE_AGGR_THRESH)) {
+ thresh = MS(mci->config, ATH_MCI_CONFIG_AGGR_THRESH);
+ REG_RMW_FIELD(ah, AR_BTCOEX_CTRL,
+ AR_BTCOEX_CTRL_AGGR_THRESH, thresh);
+ REG_RMW_FIELD(ah, AR_BTCOEX_CTRL,
+ AR_BTCOEX_CTRL_TIME_TO_NEXT_BT_THRESH_EN, 1);
+ } else {
+ REG_RMW_FIELD(ah, AR_BTCOEX_CTRL,
+ AR_BTCOEX_CTRL_TIME_TO_NEXT_BT_THRESH_EN, 0);
+ }
+
+ REG_RMW_FIELD(ah, AR_BTCOEX_CTRL,
+ AR_BTCOEX_CTRL_ONE_STEP_LOOK_AHEAD_EN, 1);
+ } else {
+ REG_CLR_BIT(ah, AR_BTCOEX_CTRL,
+ AR_BTCOEX_CTRL_ONE_STEP_LOOK_AHEAD_EN);
+ }
+}
+
+void ar9003_mci_reset(struct ath_hw *ah, bool en_int, bool is_2g,
+ bool is_full_sleep)
+{
+ struct ath_common *common = ath9k_hw_common(ah);
+ struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci;
+ u32 regval;
+
+ ath_dbg(common, MCI, "MCI Reset (full_sleep = %d, is_2g = %d)\n",
+ is_full_sleep, is_2g);
if (!mci->gpm_addr && !mci->sched_addr) {
ath_dbg(common, MCI,
@@ -568,7 +840,7 @@ void ar9003_mci_reset(struct ath_hw *ah, bool en_int, bool is_2g,
}
if (REG_READ(ah, AR_BTCOEX_CTRL) == 0xdeadbeef) {
- ath_dbg(common, MCI, "MCI it's deadbeef, quit mci_reset\n");
+ ath_dbg(common, MCI, "BTCOEX control register is dead\n");
return;
}
@@ -592,49 +864,23 @@ void ar9003_mci_reset(struct ath_hw *ah, bool en_int, bool is_2g,
SM(0, AR_BTCOEX_CTRL_1_CHAIN_BCN) |
SM(0, AR_BTCOEX_CTRL_ONE_STEP_LOOK_AHEAD_EN);
- if (is_2g && (AR_SREV_9462_20(ah)) &&
- !(mci->config & ATH_MCI_CONFIG_DISABLE_OSLA)) {
-
- regval |= SM(1, AR_BTCOEX_CTRL_ONE_STEP_LOOK_AHEAD_EN);
- ath_dbg(common, MCI, "MCI sched one step look ahead\n");
-
- if (!(mci->config &
- ATH_MCI_CONFIG_DISABLE_AGGR_THRESH)) {
-
- thresh = MS(mci->config,
- ATH_MCI_CONFIG_AGGR_THRESH);
- thresh &= 7;
- regval |= SM(1,
- AR_BTCOEX_CTRL_TIME_TO_NEXT_BT_THRESH_EN);
- regval |= SM(thresh, AR_BTCOEX_CTRL_AGGR_THRESH);
-
- REG_RMW_FIELD(ah, AR_MCI_SCHD_TABLE_2,
- AR_MCI_SCHD_TABLE_2_HW_BASED, 1);
- REG_RMW_FIELD(ah, AR_MCI_SCHD_TABLE_2,
- AR_MCI_SCHD_TABLE_2_MEM_BASED, 1);
-
- } else
- ath_dbg(common, MCI, "MCI sched aggr thresh: off\n");
- } else
- ath_dbg(common, MCI, "MCI SCHED one step look ahead off\n");
-
- if (AR_SREV_9462_10(ah))
- regval |= SM(1, AR_BTCOEX_CTRL_SPDT_ENABLE_10);
-
REG_WRITE(ah, AR_BTCOEX_CTRL, regval);
- if (AR_SREV_9462_20(ah)) {
- REG_SET_BIT(ah, AR_PHY_GLB_CONTROL,
- AR_BTCOEX_CTRL_SPDT_ENABLE);
- REG_RMW_FIELD(ah, AR_BTCOEX_CTRL3,
- AR_BTCOEX_CTRL3_CONT_INFO_TIMEOUT, 20);
- }
+ if (is_2g && !(mci->config & ATH_MCI_CONFIG_DISABLE_OSLA))
+ ar9003_mci_osla_setup(ah, true);
+ else
+ ar9003_mci_osla_setup(ah, false);
+
+ REG_SET_BIT(ah, AR_PHY_GLB_CONTROL,
+ AR_BTCOEX_CTRL_SPDT_ENABLE);
+ REG_RMW_FIELD(ah, AR_BTCOEX_CTRL3,
+ AR_BTCOEX_CTRL3_CONT_INFO_TIMEOUT, 20);
REG_RMW_FIELD(ah, AR_BTCOEX_CTRL2, AR_BTCOEX_CTRL2_RX_DEWEIGHT, 1);
REG_RMW_FIELD(ah, AR_PCU_MISC, AR_PCU_BT_ANT_PREVENT_RX, 0);
- thresh = MS(mci->config, ATH_MCI_CONFIG_CLK_DIV);
- REG_RMW_FIELD(ah, AR_MCI_TX_CTRL, AR_MCI_TX_CTRL_CLK_DIV, thresh);
+ regval = MS(mci->config, ATH_MCI_CONFIG_CLK_DIV);
+ REG_RMW_FIELD(ah, AR_MCI_TX_CTRL, AR_MCI_TX_CTRL_CLK_DIV, regval);
REG_SET_BIT(ah, AR_BTCOEX_CTRL, AR_BTCOEX_CTRL_MCI_MODE_EN);
/* Resetting the Rx and Tx paths of MCI */
@@ -659,15 +905,15 @@ void ar9003_mci_reset(struct ath_hw *ah, bool en_int, bool is_2g,
REG_WRITE(ah, AR_MCI_COMMAND2, regval);
ar9003_mci_state(ah, MCI_STATE_INIT_GPM_OFFSET, NULL);
+
REG_WRITE(ah, AR_MCI_MSG_ATTRIBUTES_TABLE,
(SM(0xe801, AR_MCI_MSG_ATTRIBUTES_TABLE_INVALID_HDR) |
SM(0x0000, AR_MCI_MSG_ATTRIBUTES_TABLE_CHECKSUM)));
REG_CLR_BIT(ah, AR_MCI_TX_CTRL,
- AR_MCI_TX_CTRL_DISABLE_LNA_UPDATE);
+ AR_MCI_TX_CTRL_DISABLE_LNA_UPDATE);
- if (AR_SREV_9462_20_OR_LATER(ah))
- ar9003_mci_observation_set_up(ah);
+ ar9003_mci_observation_set_up(ah);
mci->ready = true;
ar9003_mci_prep_interface(ah);
@@ -676,79 +922,28 @@ void ar9003_mci_reset(struct ath_hw *ah, bool en_int, bool is_2g,
ar9003_mci_enable_interrupt(ah);
}
-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)
+void ar9003_mci_stop_bt(struct ath_hw *ah, bool save_fullsleep)
{
- 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;
+ struct ath9k_hw_mci *mci_hw = &ah->btcoex_hw.mci;
- cur_bt_state = ar9003_mci_state(ah, MCI_STATE_REMOTE_SLEEP, NULL);
+ ar9003_mci_disable_interrupt(ah);
- 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_hw->ready && !save_fullsleep) {
+ ar9003_mci_mute_bt(ah);
+ udelay(20);
+ REG_WRITE(ah, AR_BTCOEX_CTRL, 0);
}
- 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);
- }
- }
+ mci_hw->bt_state = MCI_BT_SLEEP;
+ mci_hw->ready = false;
}
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 (AR_SREV_9462_20(ah) &&
- mci->update_2g5g &&
- (mci->bt_state != MCI_BT_SLEEP)) {
-
+ 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;
@@ -759,44 +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);
}
-
- if (AR_SREV_9462_10(ah) && (mci->bt_state != MCI_BT_SLEEP))
- mci->update_2g5g = false;
}
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;
@@ -809,64 +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 (AR_SREV_9462_10(ah))
- break;
-
if (*(((u8 *)payload) + MCI_GPM_COEX_B_BT_FLAGS_OP) ==
- MCI_GPM_COEX_BT_FLAGS_READ)
+ 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;
@@ -877,46 +1016,33 @@ 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 (!ATH9K_HW_CAP_MCI)
- return;
-
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);
- if (AR_SREV_9462_20(ah)) {
- 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);
-
- if (AR_SREV_9462_20(ah)) {
- REG_SET_BIT(ah, AR_PHY_GLB_CONTROL,
- AR_BTCOEX_CTRL_BT_OWN_SPDT_CTRL);
- REG_CLR_BIT(ah, AR_BTCOEX_CTRL,
- AR_BTCOEX_CTRL_ONE_STEP_LOOK_AHEAD_EN);
- }
+ REG_SET_BIT(ah, AR_PHY_GLB_CONTROL,
+ AR_BTCOEX_CTRL_BT_OWN_SPDT_CTRL);
+ REG_CLR_BIT(ah, AR_BTCOEX_CTRL,
+ AR_BTCOEX_CTRL_ONE_STEP_LOOK_AHEAD_EN);
ar9003_mci_send_2g5g_status(ah, true);
}
@@ -934,28 +1060,19 @@ bool ar9003_mci_send_message(struct ath_hw *ah, u8 header, u32 flag,
u32 saved_mci_int_en;
int i;
- if (!ATH9K_HW_CAP_MCI)
- return false;
-
saved_mci_int_en = REG_READ(ah, AR_MCI_INTERRUPT_EN);
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;
}
@@ -983,7 +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);
@@ -997,220 +1114,64 @@ bool ar9003_mci_send_message(struct ath_hw *ah, u8 header, u32 flag,
}
EXPORT_SYMBOL(ar9003_mci_send_message);
-void ar9003_mci_setup(struct ath_hw *ah, u32 gpm_addr, void *gpm_buf,
- u16 len, u32 sched_addr)
+void ar9003_mci_init_cal_req(struct ath_hw *ah, bool *is_reusable)
{
- struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci;
- void *sched_buf = (void *)((char *) gpm_buf + (sched_addr - gpm_addr));
+ 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};
- if (!ATH9K_HW_CAP_MCI)
+ if ((mci_hw->bt_state != MCI_BT_AWAKE) ||
+ (mci_hw->config & ATH_MCI_CONFIG_DISABLE_MCI_CAL))
return;
- mci->gpm_addr = gpm_addr;
- mci->gpm_buf = gpm_buf;
- mci->gpm_len = len;
- mci->sched_addr = sched_addr;
- mci->sched_buf = sched_buf;
+ 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_reset(ah, true, true, true);
+ ar9003_mci_send_message(ah, MCI_GPM, 0, pld, 16, true, false);
+
+ if (ar9003_mci_wait_for_gpm(ah, MCI_GPM_BT_CAL_GRANT, 0, 50000)) {
+ ath_dbg(common, MCI, "MCI BT_CAL_GRANT received\n");
+ } else {
+ is_reusable = false;
+ ath_dbg(common, MCI, "MCI BT_CAL_GRANT not received\n");
+ }
}
-EXPORT_SYMBOL(ar9003_mci_setup);
-void ar9003_mci_cleanup(struct ath_hw *ah)
+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};
- if (!ATH9K_HW_CAP_MCI)
+ if ((mci_hw->bt_state != MCI_BT_AWAKE) ||
+ (mci_hw->config & ATH_MCI_CONFIG_DISABLE_MCI_CAL))
return;
- /* Turn off MCI and Jupiter mode. */
- REG_WRITE(ah, AR_BTCOEX_CTRL, 0x00);
- ath_dbg(common, MCI, "MCI ar9003_mci_cleanup\n");
- ar9003_mci_disable_interrupt(ah);
+ 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);
}
-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)
+void ar9003_mci_setup(struct ath_hw *ah, u32 gpm_addr, void *gpm_buf,
+ u16 len, u32 sched_addr)
{
- 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;
+ mci->gpm_addr = gpm_addr;
+ mci->gpm_buf = gpm_buf;
+ mci->gpm_len = len;
+ mci->sched_addr = sched_addr;
- 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;
- }
+ ar9003_mci_reset(ah, true, true, true);
}
+EXPORT_SYMBOL(ar9003_mci_setup);
-u32 ar9003_mci_wait_for_gpm(struct ath_hw *ah, u8 gpm_type,
- u8 gpm_opcode, int time_out)
+void ar9003_mci_cleanup(struct ath_hw *ah)
{
- 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;
+ /* Turn off MCI and Jupiter mode. */
+ REG_WRITE(ah, AR_BTCOEX_CTRL, 0x00);
+ ar9003_mci_disable_interrupt(ah);
}
+EXPORT_SYMBOL(ar9003_mci_cleanup);
u32 ar9003_mci_state(struct ath_hw *ah, u32 state_type, u32 *p_data)
{
@@ -1219,13 +1180,9 @@ u32 ar9003_mci_state(struct ath_hw *ah, u32 state_type, u32 *p_data)
u32 value = 0, more_gpm = 0, gpm_ptr;
u8 query_type;
- if (!ATH9K_HW_CAP_MCI)
- return 0;
-
switch (state_type) {
case MCI_STATE_ENABLE:
if (mci->ready) {
-
value = REG_READ(ah, AR_BTCOEX_CTRL);
if ((value == 0xdeadbeef) || (value == 0xffffffff))
@@ -1235,7 +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:
@@ -1258,32 +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 */
@@ -1300,13 +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;
}
@@ -1331,79 +1271,59 @@ 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;
- if ((AR_SREV_9462_20_OR_LATER(ah)) &&
- (mci->config & ATH_MCI_CONFIG_MCI_OBS_MASK)) {
+ 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");
@@ -1415,7 +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) ==
@@ -1432,19 +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 = (AR_SREV_9462_10(ah)) ?
- MCI_GPM_COEX_QUERY_BT_ALL_INFO :
- MCI_GPM_COEX_QUERY_BT_TOPOLOGY;
-
+ 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
@@ -1464,28 +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;