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ath9k: Handle 2-ANT AR9565 in MCI reset 

The value programmed in the BTCOEX control register
is different for each chip. This patch adds support
for 2-ANT, 1-ANT solutions based on AR9565.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Sujith Manoharan 2015-02-16 10:49:56 +05:30 committed by Kalle Valo
parent d1d07813bb
commit e18e164e9a
2 changed files with 70 additions and 17 deletions
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80
drivers/net/wireless/ath/ath9k/ar9003_mci.c
View File

@ -821,6 +821,61 @@ static void ar9003_mci_osla_setup(struct ath_hw *ah, bool enable)
AR_BTCOEX_CTRL_ONE_STEP_LOOK_AHEAD_EN, 1);
}
static void ar9003_mci_set_btcoex_ctrl_9565_1ANT(struct ath_hw *ah)
{
u32 regval;
regval = SM(1, AR_BTCOEX_CTRL_AR9462_MODE) |
SM(1, AR_BTCOEX_CTRL_WBTIMER_EN) |
SM(1, AR_BTCOEX_CTRL_PA_SHARED) |
SM(1, AR_BTCOEX_CTRL_LNA_SHARED) |
SM(1, AR_BTCOEX_CTRL_NUM_ANTENNAS) |
SM(1, AR_BTCOEX_CTRL_RX_CHAIN_MASK) |
SM(0, AR_BTCOEX_CTRL_1_CHAIN_ACK) |
SM(0, AR_BTCOEX_CTRL_1_CHAIN_BCN) |
SM(0, AR_BTCOEX_CTRL_ONE_STEP_LOOK_AHEAD_EN);
REG_RMW_FIELD(ah, AR_BTCOEX_CTRL2,
AR_BTCOEX_CTRL2_TX_CHAIN_MASK, 0x1);
REG_WRITE(ah, AR_BTCOEX_CTRL, regval);
}
static void ar9003_mci_set_btcoex_ctrl_9565_2ANT(struct ath_hw *ah)
{
u32 regval;
regval = SM(1, AR_BTCOEX_CTRL_AR9462_MODE) |
SM(1, AR_BTCOEX_CTRL_WBTIMER_EN) |
SM(0, AR_BTCOEX_CTRL_PA_SHARED) |
SM(0, AR_BTCOEX_CTRL_LNA_SHARED) |
SM(2, AR_BTCOEX_CTRL_NUM_ANTENNAS) |
SM(1, AR_BTCOEX_CTRL_RX_CHAIN_MASK) |
SM(0, AR_BTCOEX_CTRL_1_CHAIN_ACK) |
SM(0, AR_BTCOEX_CTRL_1_CHAIN_BCN) |
SM(0, AR_BTCOEX_CTRL_ONE_STEP_LOOK_AHEAD_EN);
REG_RMW_FIELD(ah, AR_BTCOEX_CTRL2,
AR_BTCOEX_CTRL2_TX_CHAIN_MASK, 0x0);
REG_WRITE(ah, AR_BTCOEX_CTRL, regval);
}
static void ar9003_mci_set_btcoex_ctrl_9462(struct ath_hw *ah)
{
u32 regval;
regval = SM(1, AR_BTCOEX_CTRL_AR9462_MODE) |
SM(1, AR_BTCOEX_CTRL_WBTIMER_EN) |
SM(1, AR_BTCOEX_CTRL_PA_SHARED) |
SM(1, AR_BTCOEX_CTRL_LNA_SHARED) |
SM(2, AR_BTCOEX_CTRL_NUM_ANTENNAS) |
SM(3, AR_BTCOEX_CTRL_RX_CHAIN_MASK) |
SM(0, AR_BTCOEX_CTRL_1_CHAIN_ACK) |
SM(0, AR_BTCOEX_CTRL_1_CHAIN_BCN) |
SM(0, AR_BTCOEX_CTRL_ONE_STEP_LOOK_AHEAD_EN);
REG_WRITE(ah, AR_BTCOEX_CTRL, regval);
}
int ar9003_mci_reset(struct ath_hw *ah, bool en_int, bool is_2g,
bool is_full_sleep)
{
@ -845,25 +900,16 @@ int ar9003_mci_reset(struct ath_hw *ah, bool en_int, bool is_2g,
* To avoid MCI state machine be affected by incoming remote MCI msgs,
* MCI mode will be enabled later, right before reset the MCI TX and RX.
*/
regval = SM(1, AR_BTCOEX_CTRL_AR9462_MODE) |
SM(1, AR_BTCOEX_CTRL_WBTIMER_EN) |
SM(1, AR_BTCOEX_CTRL_PA_SHARED) |
SM(1, AR_BTCOEX_CTRL_LNA_SHARED) |
SM(0, AR_BTCOEX_CTRL_1_CHAIN_ACK) |
SM(0, AR_BTCOEX_CTRL_1_CHAIN_BCN) |
SM(0, AR_BTCOEX_CTRL_ONE_STEP_LOOK_AHEAD_EN);
if (AR_SREV_9565(ah)) {
regval |= SM(1, AR_BTCOEX_CTRL_NUM_ANTENNAS) |
SM(1, AR_BTCOEX_CTRL_RX_CHAIN_MASK);
REG_RMW_FIELD(ah, AR_BTCOEX_CTRL2,
AR_BTCOEX_CTRL2_TX_CHAIN_MASK, 0x1);
} else {
regval |= SM(2, AR_BTCOEX_CTRL_NUM_ANTENNAS) |
SM(3, AR_BTCOEX_CTRL_RX_CHAIN_MASK);
}
u8 ant = MS(mci->config, ATH_MCI_CONFIG_ANT_ARCH);
REG_WRITE(ah, AR_BTCOEX_CTRL, regval);
if (ant == ATH_MCI_ANT_ARCH_1_ANT_PA_LNA_SHARED)
ar9003_mci_set_btcoex_ctrl_9565_1ANT(ah);
else
ar9003_mci_set_btcoex_ctrl_9565_2ANT(ah);
} else {
ar9003_mci_set_btcoex_ctrl_9462(ah);
}
if (is_2g && !(mci->config & ATH_MCI_CONFIG_DISABLE_OSLA))
ar9003_mci_osla_setup(ah, true);

7
drivers/net/wireless/ath/ath9k/ar9003_mci.h
View File

@ -109,8 +109,15 @@ enum mci_gpm_coex_bt_update_flags_op {
#define ATH_MCI_CONFIG_MCI_OBS_MASK (ATH_MCI_CONFIG_MCI_OBS_MCI | \
ATH_MCI_CONFIG_MCI_OBS_TXRX | \
ATH_MCI_CONFIG_MCI_OBS_BT)
#define ATH_MCI_CONFIG_MCI_OBS_GPIO 0x0000002F
#define ATH_MCI_ANT_ARCH_1_ANT_PA_LNA_NON_SHARED 0x00
#define ATH_MCI_ANT_ARCH_1_ANT_PA_LNA_SHARED 0x01
#define ATH_MCI_ANT_ARCH_2_ANT_PA_LNA_NON_SHARED 0x02
#define ATH_MCI_ANT_ARCH_2_ANT_PA_LNA_SHARED 0x03
#define ATH_MCI_ANT_ARCH_3_ANT 0x04
enum mci_message_header { /* length of payload */
MCI_LNA_CTRL = 0x10, /* len = 0 */
MCI_CONT_NACK = 0x20, /* len = 0 */