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input: qcom-hv-haptics: Ignore checking HBoost status when SWR is playing

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HBoost would be kept on when triggering a non-FIFO play with SWR playing
in the background, there is no need to wait HBoost to be ready hence bypass
the HBoost ready check in this case.

Change-Id: I68c4a97d1c5953fb5dc0dd53fa8792a02df4b3de
Signed-off-by: Fenglin Wu <fenglinw@codeaurora.org>
This commit is contained in:
Fenglin Wu 2021-02-22 14:49:10 +08:00 committed by David Collins
parent 23895eba21
commit d4607df438
1 changed files with 69 additions and 2 deletions
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71
drivers/input/misc/qcom-hv-haptics.c
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@ -39,7 +39,7 @@
#define TLRA_CL_ERR_MSB_MASK GENMASK(4, 0)
/* STATUS_DATA_MSB definition in V1 while MOD_STATUS_SEL is 5 */
#define FIFO_REAL_TIME_FILL_STATUS_MASK_V1 GENMASK(6, 0)
/* STATUS_DATA_MSB definition in V2 while MOD_STATUS_SEL is 5 */
/* STATUS_DATA_MSB in V2 when MOD_STATUS_SEL is 5 and MOD_STATUS_XT.SEL is 1 */
#define FIFO_REAL_TIME_FILL_STATUS_MSB_MASK_V2 GENMASK(1, 0)
#define FIFO_EMPTY_FLAG_BIT_V2 BIT(6)
#define FIFO_FULL_FLAG_BIT_V2 BIT(5)
@ -47,8 +47,10 @@
#define HAP_CFG_STATUS_DATA_LSB_REG 0x0A
/* STATUS_DATA_MSB definition while MOD_STATUS_SEL is 0 */
#define CAL_TLRA_CL_STS_LSB_MASK GENMASK(7, 0)
/* STATUS_DATA_LSB definition in V2 while MOD_STATUS_SEL is 5 */
/* STATUS_DATA_LSB in V2 when MOD_STATUS_SEL is 5 and MOD_STATUS_XT.SEL is 1 */
#define FIFO_REAL_TIME_FILL_STATUS_LSB_MASK_V2 GENMASK(7, 0)
/* STATUS_DATA_LSB in V2 when MOD_STATUS_SEL is 5 and MOD_STATUS_XT.SEL is 0 */
#define HAP_DRV_PATTERN_SRC_STATUS_MASK_V2 GENMASK(2, 0)
#define HAP_CFG_FAULT_STATUS_REG 0x0C
#define SC_FLAG_BIT BIT(2)
@ -272,6 +274,19 @@
((chip)->hbst_revision == HAP_BOOST_V0P0 ? \
HAP_BOOST_V0P0_CLAMP_REG : HAP_BOOST_V0P1_CLAMP_REG)
enum hap_status_sel_v2 {
CAL_TLRA_CL_STS = 0x00,
T_WIND_STS,
T_WIND_STS_PREV,
LAST_GOOD_TLRA_CL_STS,
TLRA_CL_ERR_STS,
HAP_DRV_STS,
RNAT_RCAL_INT,
BRAKE_CAL_SCALAR = 0x07,
CLAMPED_DUTY_CYCLE_STS = 0x8003,
FIFO_REAL_TIME_STS = 0x8005,
};
enum drv_sig_shape {
WF_SQUARE,
WF_SINE,
@ -742,6 +757,29 @@ static int get_brake_play_length_us(struct brake_cfg *brake, u32 t_lra_us)
return t_lra_us * (i + 1);
}
static int haptics_get_status_data(struct haptics_chip *chip,
enum hap_status_sel_v2 sel, u8 data[])
{
int rc;
u8 mod_sel_val[2];
mod_sel_val[0] = sel & 0xff;
mod_sel_val[1] = (sel >> 8) & 0xff;
rc = haptics_write(chip, chip->cfg_addr_base,
HAP_CFG_MOD_STATUS_SEL_REG, mod_sel_val, 2);
if (rc < 0)
return rc;
rc = haptics_read(chip, chip->cfg_addr_base,
HAP_CFG_STATUS_DATA_MSB_REG, data, 2);
if (rc < 0)
return rc;
dev_dbg(chip->dev, "Get status data[%x] = (%#x, %#x)\n",
sel, data[0], data[1]);
return 0;
}
#define V1_CL_TLRA_STEP_AUTO_RES_CAL_NOT_DONE_NS 5000
#define V1_CL_TLRA_STEP_AUTO_RES_CAL_DONE_NS 3333
#define AUTO_CAL_CLK_SCALE_DEN 1000
@ -1147,6 +1185,21 @@ static int haptics_boost_vreg_enable(struct haptics_chip *chip, bool en)
return rc;
}
static bool is_swr_play_enabled(struct haptics_chip *chip)
{
int rc;
u8 val[2];
rc = haptics_get_status_data(chip, HAP_DRV_STS, val);
if (rc < 0)
return false;
if ((val[1] & HAP_DRV_PATTERN_SRC_STATUS_MASK_V2) == SWR)
return true;
return false;
}
static bool is_boost_vreg_enabled_in_open_loop(struct haptics_chip *chip)
{
int rc;
@ -1182,6 +1235,20 @@ static int haptics_wait_hboost_ready(struct haptics_chip *chip)
if (is_boost_vreg_enabled_in_open_loop(chip))
return 0;
/*
* If the coming request is not FIFO play and there is
* already a SWR play in the background, then HBoost will
* be kept as on always hence no need to wait its ready.
*/
mutex_lock(&chip->play.lock);
if (chip->play.pattern_src != FIFO &&
is_swr_play_enabled(chip)) {
dev_dbg(chip->dev, "Ignore waiting hBoost when SWR play is in progress\n");
mutex_unlock(&chip->play.lock);
return 0;
}
mutex_unlock(&chip->play.lock);
/* Check if HBoost is in standby (disabled) state */
rc = haptics_read(chip, chip->hbst_addr_base,
HAP_BOOST_VREG_EN_REG, &val, 1);