asoc: wcd939x: Update MBHC zdet and xtalk
Update MBHC zdet for Harmonium 2.0. Update impedance parameters and xtalk implementation. Change-Id: I85e0a5c8816cd54d4892a10ac18bdf1420e92e89 Signed-off-by: Sam Rainey <quic_rainey@quicinc.com>
This commit is contained in:
@@ -14,9 +14,12 @@
|
||||
#include "wcd939x-mbhc.h"
|
||||
#include "wcd939x.h"
|
||||
|
||||
#define SWR_SCP_CONTROL 0x44
|
||||
#define SWR_SCP_CONTROL 0x44
|
||||
#define SWR_SCP_HOST_CLK_DIV2_CTL_BANK 0xE0
|
||||
#define WCD939X_MAX_MICBIAS 4
|
||||
#define MAX_XTALK_SCALE 31
|
||||
#define MIN_XTALK_ALPHA 0
|
||||
#define MAX_USBCSS_HS_IMPEDANCE_MOHMS 20000
|
||||
|
||||
/* Convert from vout ctl to micbias voltage in mV */
|
||||
#define WCD_VOUT_CTL_TO_MICB(v) (1000 + v * 50)
|
||||
@@ -157,27 +160,81 @@ struct wcd939x_micbias_setting {
|
||||
u8 bias1_cfilt_sel;
|
||||
};
|
||||
|
||||
struct wcd939x_xtalk_params {
|
||||
u32 r_gnd_int_fet_mohms;
|
||||
u32 r_gnd_par_route1_mohms;
|
||||
u32 r_gnd_par_route2_mohms;
|
||||
struct wcd939x_usbcss_hs_params {
|
||||
/* Resistance of ground-side internal FET for SBU1 */
|
||||
u32 r_gnd_sbu1_int_fet_mohms;
|
||||
/* Resistance of ground-side internal FET for SBU2 */
|
||||
u32 r_gnd_sbu2_int_fet_mohms;
|
||||
/* Customer-characterized resistance for the ground-side external FET */
|
||||
u32 r_gnd_ext_fet_customer_mohms;
|
||||
/* SW-computed resistance for the ground-side external FET */
|
||||
u32 r_gnd_ext_fet_mohms;
|
||||
u32 r_conn_par_load_neg_mohms;
|
||||
/* Total ground-side parasitics between the WCD and external FET */
|
||||
u32 r_gnd_par_route1_mohms;
|
||||
/* Total ground-side parasitics between the external FET and connector */
|
||||
u32 r_gnd_par_route2_mohms;
|
||||
/* Total ground-side parasitics between the WCD and connector; sum of route1 and route2 */
|
||||
u32 r_gnd_par_tot_mohms;
|
||||
/* Total ground-side resistance for SBU1 */
|
||||
u32 r_gnd_sbu1_res_tot_mohms;
|
||||
/* Total ground-side resistance for SBU2 */
|
||||
u32 r_gnd_sbu2_res_tot_mohms;
|
||||
/* Customer-characterized positive parasitics introduced from the connector */
|
||||
u32 r_conn_par_load_pos_mohms;
|
||||
/* Resistance of left audio-side internal FET */
|
||||
u32 r_aud_int_fet_l_mohms;
|
||||
/* Resistance of right audio-side internal FET */
|
||||
u32 r_aud_int_fet_r_mohms;
|
||||
/* Resistance of left audio-side external FET */
|
||||
u32 r_aud_ext_fet_l_mohms;
|
||||
/* Resistance of right audio-side external FET */
|
||||
u32 r_aud_ext_fet_r_mohms;
|
||||
u32 r_conn_par_load_pos_l_mohms;
|
||||
u32 r_conn_par_load_pos_r_mohms;
|
||||
u32 r_gnd_res_tot_mohms;
|
||||
/* Total left audio-side resistance */
|
||||
u32 r_aud_res_tot_l_mohms;
|
||||
/* Total right audio-side resistance */
|
||||
u32 r_aud_res_tot_r_mohms;
|
||||
u32 zl;
|
||||
u32 zr;
|
||||
/* Surge switch resistance */
|
||||
u32 r_surge_mohms;
|
||||
/* Sum of left audio-side parasitics and the left side of the load */
|
||||
u32 r_load_eff_l_mohms;
|
||||
/* Sum of right audio-side parasitics and the right side of the load */
|
||||
u32 r_load_eff_r_mohms;
|
||||
/* Customer-characterized audio-side parasitics between the WCD and external FET,
|
||||
* in milliohms
|
||||
*/
|
||||
u32 r3;
|
||||
/* Customer-characterized ground-side parasitics between the external FET and connector,
|
||||
* in milliohms
|
||||
*/
|
||||
u32 r4;
|
||||
/* For digital crosstalk with remote sensed analog crosstalk mode, customer-characterized
|
||||
* ground path parasitic resistance between the WCD SBU pin and the external MOSFET,
|
||||
* in milliohms
|
||||
*/
|
||||
u32 r5;
|
||||
/* For digital crosstalk with local sensed analog crosstalk mode, customer-characterized
|
||||
* ground path parasitic resistance between the WCD GSBU tap point and the external MOSFET,
|
||||
* in milliohms
|
||||
*/
|
||||
u32 r6;
|
||||
/* For digital crosstalk with local sensed analog crosstalk mode, customer-characterized
|
||||
* ground path parasitic resistance between the WCD GSBU tap point and the WCD SBU pin,
|
||||
* in milliohms
|
||||
*/
|
||||
u32 r7;
|
||||
/* Computed optimal d-xtalk left-side scale value */
|
||||
u8 scale_l;
|
||||
/* Computed optimal d-xtalk left-side alpha value */
|
||||
u8 alpha_l;
|
||||
/* Computed optimal d-xtalk right-side scale value */
|
||||
u8 scale_r;
|
||||
/* Computed optimal d-xtalk right-side alpha value */
|
||||
u8 alpha_r;
|
||||
/* Customer-tuned configuration for d-xtalk:
|
||||
* 0 for digital crosstalk disabled,
|
||||
* 1 for digital crosstalk with local sensed a-xtalk enabled, and
|
||||
* 2 for digital crosstalk with remote sensed a-xtalk enabled.
|
||||
*/
|
||||
enum xtalk_mode xtalk_config;
|
||||
};
|
||||
|
||||
@@ -186,7 +243,7 @@ struct wcd939x_pdata {
|
||||
struct device_node *rx_slave;
|
||||
struct device_node *tx_slave;
|
||||
struct wcd939x_micbias_setting micbias;
|
||||
struct wcd939x_xtalk_params xtalk;
|
||||
struct wcd939x_usbcss_hs_params usbcss_hs;
|
||||
|
||||
struct cdc_regulator *regulator;
|
||||
int num_supplies;
|
||||
|
@@ -1,7 +1,7 @@
|
||||
// SPDX-License-Identifier: GPL-2.0-only
|
||||
/*
|
||||
* Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
|
||||
* Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
|
||||
* Copyright (c) 2022-2023, Qualcomm Innovation Center, Inc. All rights reserved.
|
||||
*/
|
||||
#include <linux/module.h>
|
||||
#include <linux/init.h>
|
||||
@@ -21,6 +21,9 @@
|
||||
#include <asoc/wcd-mbhc-v2-api.h>
|
||||
#include "wcd939x-registers.h"
|
||||
#include "internal.h"
|
||||
#if IS_ENABLED(CONFIG_QCOM_WCD_USBSS_I2C)
|
||||
#include <linux/soc/qcom/wcd939x-i2c.h>
|
||||
#endif
|
||||
|
||||
#define WCD939X_ZDET_SUPPORTED true
|
||||
/* Z value defined in milliohm */
|
||||
@@ -36,9 +39,17 @@
|
||||
#define WCD939X_MBHC_GET_X1(x) (x & 0x3FFF)
|
||||
/* Z value compared in milliOhm */
|
||||
#define WCD939X_MBHC_IS_SECOND_RAMP_REQUIRED(z) false
|
||||
#define WCD939X_MBHC_ZDET_CONST (1018 * 1024)
|
||||
#define WCD939X_MBHC_ZDET_CONST (1071 * 1024)
|
||||
#define WCD939X_MBHC_MOISTURE_RREF R_24_KOHM
|
||||
|
||||
#define OHMS_TO_MILLIOHMS 1000
|
||||
#define FLOAT_TO_FIXED_XTALK (1UL << 16)
|
||||
#define MAX_XTALK_ALPHA 255
|
||||
#define MIN_RL_EFF_MOHMS 1
|
||||
#define MAX_RL_EFF_MOHMS 900000
|
||||
#define HD2_CODE_BASE_VALUE 0x1D
|
||||
#define HD2_CODE_INV_RESOLUTION 4201025
|
||||
|
||||
static struct wcd_mbhc_register
|
||||
wcd_mbhc_registers[WCD_MBHC_REG_FUNC_MAX] = {
|
||||
WCD_MBHC_REGISTER("WCD_MBHC_L_DET_EN",
|
||||
@@ -439,8 +450,8 @@ static void wcd939x_mbhc_zdet_ramp(struct snd_soc_component *component,
|
||||
struct wcd939x_priv *wcd939x = dev_get_drvdata(component->dev);
|
||||
int32_t zdet = 0;
|
||||
|
||||
snd_soc_component_update_bits(component, WCD939X_ZDET_ANA_CTL,
|
||||
0x70, zdet_param->ldo_ctl << 4);
|
||||
snd_soc_component_update_bits(component, WCD939X_ZDET_ANA_CTL, 0xF0,
|
||||
0x80 | (zdet_param->ldo_ctl << 4));
|
||||
snd_soc_component_update_bits(component, WCD939X_MBHC_BTN5, 0xFC,
|
||||
zdet_param->btn5);
|
||||
snd_soc_component_update_bits(component, WCD939X_MBHC_BTN6, 0xFC,
|
||||
@@ -499,38 +510,266 @@ static inline void wcd939x_wcd_mbhc_qfuse_cal(
|
||||
*z_val = ((*z_val) * 10000) / q1_cal;
|
||||
}
|
||||
|
||||
static void wcd939x_wcd_mbhc_calc_impedance(struct wcd_mbhc *mbhc, uint32_t *zl,
|
||||
uint32_t *zr)
|
||||
static void update_hd2_codes(struct regmap *regmap, u32 r_gnd_res_tot_mohms, u32 r_load_eff)
|
||||
{
|
||||
u64 hd2_delta = 0;
|
||||
|
||||
if (!regmap)
|
||||
return;
|
||||
hd2_delta = (HD2_CODE_INV_RESOLUTION * (u64) r_gnd_res_tot_mohms +
|
||||
FLOAT_TO_FIXED_XTALK * (u64) ((r_gnd_res_tot_mohms + r_load_eff) / 2)) /
|
||||
(FLOAT_TO_FIXED_XTALK * (u64) (r_gnd_res_tot_mohms + r_load_eff));
|
||||
if (hd2_delta >= HD2_CODE_BASE_VALUE) {
|
||||
regmap_update_bits(regmap, WCD939X_RDAC_HD2_CTL_L, 0x1F, 0x00);
|
||||
regmap_update_bits(regmap, WCD939X_RDAC_HD2_CTL_R, 0x1F, 0x00);
|
||||
} else {
|
||||
regmap_update_bits(regmap, WCD939X_RDAC_HD2_CTL_L, 0x1F,
|
||||
HD2_CODE_BASE_VALUE - hd2_delta);
|
||||
regmap_update_bits(regmap, WCD939X_RDAC_HD2_CTL_R, 0x1F,
|
||||
HD2_CODE_BASE_VALUE - hd2_delta);
|
||||
}
|
||||
}
|
||||
|
||||
static u8 get_xtalk_scale(u32 gain)
|
||||
{
|
||||
u8 i;
|
||||
int target, residue;
|
||||
|
||||
if (gain == 0)
|
||||
return MAX_XTALK_SCALE;
|
||||
|
||||
target = FLOAT_TO_FIXED_XTALK / ((int) gain);
|
||||
residue = target;
|
||||
|
||||
for (i = 0; i <= MAX_XTALK_SCALE; i++) {
|
||||
residue = target - (1 << ((int)((u32) i)));
|
||||
if (residue < 0)
|
||||
return i;
|
||||
}
|
||||
return MAX_XTALK_SCALE;
|
||||
}
|
||||
|
||||
static u8 get_xtalk_alpha(u32 gain, u8 scale)
|
||||
{
|
||||
u32 two_exp_scale, round_offset, alpha;
|
||||
|
||||
if (gain == 0)
|
||||
return MIN_XTALK_ALPHA;
|
||||
|
||||
two_exp_scale = 1 << ((u32) scale);
|
||||
round_offset = FLOAT_TO_FIXED_XTALK / 2;
|
||||
alpha = (((gain * two_exp_scale - FLOAT_TO_FIXED_XTALK) * 255) + round_offset)
|
||||
/ FLOAT_TO_FIXED_XTALK;
|
||||
return (alpha <= MAX_XTALK_ALPHA) ? ((u8) alpha) : MAX_XTALK_ALPHA;
|
||||
}
|
||||
|
||||
static u32 get_v_common_gnd_factor(u32 r_gnd_res_tot_mohms, u32 r_load_eff_mohms,
|
||||
u32 r_aud_res_tot_mohms)
|
||||
{
|
||||
/* Proof 1: The numerator does not overflow.
|
||||
* r_gnd_res_tot_mohms = r_gnd_int_fet_mohms + r_gnd_ext_fet_mohms + r_gnd_par_tot_mohms =
|
||||
* r_gnd_int_fet_mohms + r_gnd_ext_fet_mohms + r_gnd_par_route1_mohms +
|
||||
* r_gnd_par_route2_mohms
|
||||
*
|
||||
* r_gnd_int_fet_mohms, r_gnd_ext_fet_mohms, r_gnd_par_route{1,2}_mohms are all less
|
||||
* than MAX_USBCSS_HS_IMPEDANCE_MOHMS
|
||||
* -->
|
||||
* FLOAT_TO_FIXED_XTALK * r_gnd_res_tot_mohms <=
|
||||
* FLOAT_TO_FIXED_XTALK * 4 * MAX_USBCSS_HS_IMPEDANCE_MOHMS =
|
||||
* (1 << 16) * 4 * 20,000 = 65,536 * 80,000 = 3,932,160,000 <= 2^32 - 1 =
|
||||
* 4,294,967,295 = U32_MAX
|
||||
*
|
||||
* Proof 2: The denominator is greater than 0.
|
||||
* r_load_eff_mohms >= MIN_RL_EFF_MOHMS = 1 > 0
|
||||
* -->
|
||||
* r_load_eff_mohms + r_aud_res_tot_mohms + r_gnd_res_tot_mohms > 0
|
||||
*
|
||||
* Proof 3: The deonominator does not overflow.
|
||||
* r_load_eff_mohms <= MAX_RL_EFF_MOHMS
|
||||
* r_aud_res_tot_mohms and r_gnd_res_tot_mohms <= MAX_USBCSS_HS_IMPEDANCE_MOHMS
|
||||
* -->
|
||||
* r_load_eff_mohms + r_aud_res_tot_mohms + r_gnd_res_tot_mohms <=
|
||||
* MAX_RL_EFF_MOHMS + 2 * MAX_USBCSS_HS_IMPEDANCE_MOHMS = 900,000 + 2 * 20,000 = 940,000
|
||||
* <= U32_MAX = 2^32 - 1 = 4,294,967,295
|
||||
*/
|
||||
return FLOAT_TO_FIXED_XTALK * r_gnd_res_tot_mohms /
|
||||
(r_load_eff_mohms + r_aud_res_tot_mohms + r_gnd_res_tot_mohms);
|
||||
}
|
||||
|
||||
static u32 get_v_feedback_tap_factor_digital(u32 r_gnd_int_fet_mohms, u32 r_gnd_par_route1_mohms,
|
||||
u32 r_load_eff_mohms, u32 r_gnd_res_tot_mohms,
|
||||
u32 r_aud_res_tot_mohms)
|
||||
{
|
||||
/* Proof 4: The numerator does not overflow.
|
||||
* r_gnd_int_fet_mohms and r_gnd_par_route1_mohms <= MAX_USBCSS_HS_IMPEDANCE_MOHMS
|
||||
* -->
|
||||
* FLOAT_TO_FIXED_XTALK * (r_gnd_int_fet_mohms + r_gnd_par_route1_mohms) <=
|
||||
* FLOAT_TO_FIXED_XTALK * 2 * MAX_USBCSS_HS_IMPEDANCE_MOHMS =
|
||||
* (1 << 16) * 2 * 20,000 = 65,536 * 40,000 = 2,621,440,000 <= 2^32 - 1 =
|
||||
* 4,294,967,295 = U32_MAX
|
||||
*
|
||||
* The denominator is greater than 0: See Proof 2
|
||||
* The deonominator does not overflow: See Proof 3
|
||||
*/
|
||||
return FLOAT_TO_FIXED_XTALK * (r_gnd_int_fet_mohms + r_gnd_par_route1_mohms) /
|
||||
(r_load_eff_mohms + r_gnd_res_tot_mohms + r_aud_res_tot_mohms);
|
||||
}
|
||||
|
||||
static u32 get_v_feedback_tap_factor_analog(u32 r_gnd_par_route2_mohms, u32 r_load_eff_mohms,
|
||||
u32 r_gnd_res_tot_mohms, u32 r_aud_res_tot_mohms)
|
||||
{
|
||||
/* Proof 5: The numerator does not overflow.
|
||||
* r_gnd_res_tot_mohms = r_gnd_int_fet_mohms + r_gnd_ext_fet_mohms + r_gnd_par_tot_mohms =
|
||||
* r_gnd_int_fet_mohms + r_gnd_ext_fet_mohms + r_gnd_par_route1_mohms +
|
||||
* r_gnd_par_route2_mohms
|
||||
*
|
||||
* r_gnd_res_tot_mohms - r_gnd_par_route2_mohms =
|
||||
* r_gnd_int_fet_mohms + r_gnd_ext_fet_mohms + r_gnd_par_route1_mohms
|
||||
*
|
||||
* r_gnd_int_fet_mohms, r_gnd_ext_fet_mohms, r_gnd_par_route1_mohms
|
||||
* <= MAX_USBCSS_HS_IMPEDANCE_MOHMS = 20,000
|
||||
* -->
|
||||
* FLOAT_TO_FIXED_XTALK * (r_gnd_int_fet_mohms + r_gnd_ext_fet_mohms +
|
||||
* r_gnd_par_route1_mohms)
|
||||
* <= FLOAT_TO_FIXED_XTALK * 3 * MAX_USBCSS_HS_IMPEDANCE_MOHMS =
|
||||
* (1 << 16) * 3 * 20,000 = 65,536 * 60,000 = 3,932,160,000 <= 2^32 - 1 =
|
||||
* 4,294,967,295 = U32_MAX
|
||||
*
|
||||
* The denominator is greater than 0: See Proof 2
|
||||
* The deonominator does not overflow: See Proof 3
|
||||
*/
|
||||
return FLOAT_TO_FIXED_XTALK * (r_gnd_res_tot_mohms - r_gnd_par_route2_mohms) /
|
||||
(r_load_eff_mohms + r_gnd_res_tot_mohms + r_aud_res_tot_mohms);
|
||||
}
|
||||
|
||||
static u32 get_xtalk_gain(u32 v_common_gnd_factor, u32 v_feedback_tap_factor)
|
||||
{
|
||||
return v_common_gnd_factor - v_feedback_tap_factor;
|
||||
}
|
||||
|
||||
static void update_xtalk_scale_and_alpha(struct wcd939x_pdata *pdata, struct regmap *regmap)
|
||||
{
|
||||
u32 r_gnd_res_tot_mohms = 0, r_gnd_int_fet_mohms = 0, v_common_gnd_factor = 0;
|
||||
u32 v_feedback_tap_factor = 0, xtalk_gain = 0;
|
||||
|
||||
if (!pdata || pdata->usbcss_hs.xtalk_config == XTALK_NONE)
|
||||
return;
|
||||
|
||||
/* Orientation-dependent ground impedance parameters */
|
||||
#if IS_ENABLED(CONFIG_QCOM_WCD_USBSS_I2C)
|
||||
if (wcd_usbss_get_sbu_switch_orientation() == GND_SBU2_ORIENTATION_A) {
|
||||
r_gnd_res_tot_mohms = pdata->usbcss_hs.r_gnd_sbu2_res_tot_mohms;
|
||||
r_gnd_int_fet_mohms = pdata->usbcss_hs.r_gnd_sbu2_int_fet_mohms;
|
||||
} else if (wcd_usbss_get_sbu_switch_orientation() == GND_SBU1_ORIENTATION_B) {
|
||||
r_gnd_res_tot_mohms = pdata->usbcss_hs.r_gnd_sbu1_res_tot_mohms;
|
||||
r_gnd_int_fet_mohms = pdata->usbcss_hs.r_gnd_sbu1_int_fet_mohms;
|
||||
} else {
|
||||
pdata->usbcss_hs.scale_l = MAX_XTALK_SCALE;
|
||||
pdata->usbcss_hs.alpha_l = MIN_XTALK_ALPHA;
|
||||
pdata->usbcss_hs.scale_r = MAX_XTALK_SCALE;
|
||||
pdata->usbcss_hs.alpha_r = MIN_XTALK_ALPHA;
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Recall assumptions about L and R channel impedance parameters being equivalent */
|
||||
/* Xtalk gain calculation */
|
||||
v_common_gnd_factor = get_v_common_gnd_factor(r_gnd_res_tot_mohms,
|
||||
pdata->usbcss_hs.r_load_eff_l_mohms,
|
||||
pdata->usbcss_hs.r_aud_res_tot_l_mohms);
|
||||
if (pdata->usbcss_hs.xtalk_config == XTALK_ANALOG) {
|
||||
v_feedback_tap_factor = get_v_feedback_tap_factor_analog(
|
||||
pdata->usbcss_hs.r_gnd_par_route2_mohms,
|
||||
pdata->usbcss_hs.r_load_eff_l_mohms,
|
||||
r_gnd_res_tot_mohms,
|
||||
pdata->usbcss_hs.r_aud_res_tot_l_mohms);
|
||||
/* Update HD2 codes for analog xtalk */
|
||||
update_hd2_codes(regmap, r_gnd_res_tot_mohms, pdata->usbcss_hs.r_load_eff_l_mohms);
|
||||
} else {
|
||||
v_feedback_tap_factor = get_v_feedback_tap_factor_digital(
|
||||
r_gnd_int_fet_mohms,
|
||||
pdata->usbcss_hs.r_gnd_par_route1_mohms,
|
||||
pdata->usbcss_hs.r_load_eff_l_mohms,
|
||||
r_gnd_res_tot_mohms,
|
||||
pdata->usbcss_hs.r_aud_res_tot_l_mohms);
|
||||
}
|
||||
xtalk_gain = get_xtalk_gain(v_common_gnd_factor, v_feedback_tap_factor);
|
||||
/* Store scale and alpha values */
|
||||
pdata->usbcss_hs.scale_l = get_xtalk_scale(xtalk_gain);
|
||||
pdata->usbcss_hs.alpha_l = get_xtalk_alpha(xtalk_gain, pdata->usbcss_hs.scale_l);
|
||||
pdata->usbcss_hs.scale_r = pdata->usbcss_hs.scale_l;
|
||||
pdata->usbcss_hs.alpha_r = pdata->usbcss_hs.alpha_l;
|
||||
}
|
||||
|
||||
static void update_ext_fet_res(struct wcd939x_pdata *pdata, u32 r_gnd_ext_fet_mohms)
|
||||
{
|
||||
if (!pdata)
|
||||
return;
|
||||
|
||||
pdata->usbcss_hs.r_gnd_ext_fet_mohms = (r_gnd_ext_fet_mohms > MAX_USBCSS_HS_IMPEDANCE_MOHMS)
|
||||
? MAX_USBCSS_HS_IMPEDANCE_MOHMS
|
||||
: r_gnd_ext_fet_mohms;
|
||||
pdata->usbcss_hs.r_aud_ext_fet_l_mohms = pdata->usbcss_hs.r_gnd_ext_fet_mohms;
|
||||
pdata->usbcss_hs.r_aud_ext_fet_r_mohms = pdata->usbcss_hs.r_gnd_ext_fet_mohms;
|
||||
pdata->usbcss_hs.r_gnd_sbu1_res_tot_mohms = get_r_gnd_res_tot_mohms(
|
||||
pdata->usbcss_hs.r_gnd_sbu1_int_fet_mohms,
|
||||
pdata->usbcss_hs.r_gnd_ext_fet_mohms,
|
||||
pdata->usbcss_hs.r_gnd_par_tot_mohms);
|
||||
pdata->usbcss_hs.r_gnd_sbu2_res_tot_mohms = get_r_gnd_res_tot_mohms(
|
||||
pdata->usbcss_hs.r_gnd_sbu2_int_fet_mohms,
|
||||
pdata->usbcss_hs.r_gnd_ext_fet_mohms,
|
||||
pdata->usbcss_hs.r_gnd_par_tot_mohms);
|
||||
pdata->usbcss_hs.r_aud_res_tot_l_mohms = get_r_aud_res_tot_mohms(
|
||||
pdata->usbcss_hs.r_aud_int_fet_l_mohms,
|
||||
pdata->usbcss_hs.r_aud_ext_fet_l_mohms);
|
||||
pdata->usbcss_hs.r_aud_res_tot_r_mohms = get_r_aud_res_tot_mohms(
|
||||
pdata->usbcss_hs.r_aud_int_fet_r_mohms,
|
||||
pdata->usbcss_hs.r_aud_ext_fet_r_mohms);
|
||||
}
|
||||
|
||||
static void wcd939x_wcd_mbhc_calc_impedance(struct wcd_mbhc *mbhc, uint32_t *zl, uint32_t *zr)
|
||||
{
|
||||
struct snd_soc_component *component = mbhc->component;
|
||||
struct wcd939x_priv *wcd939x = dev_get_drvdata(component->dev);
|
||||
struct wcd939x_pdata *pdata = dev_get_platdata(wcd939x->dev);
|
||||
s16 reg0, reg1, reg2, reg3, reg4;
|
||||
int32_t z1L, z1R, z1Ls;
|
||||
uint32_t zdiff_val = 0, r_gnd_int_fet_mohms = 0, rl_eff_mohms = 0, r_gnd_ext_fet_mohms = 0;
|
||||
uint32_t *zdiff = &zdiff_val;
|
||||
int32_t z1L, z1R, z1Ls, z1Diff;
|
||||
int zMono, z_diff1, z_diff2;
|
||||
bool is_fsm_disable = false;
|
||||
struct wcd939x_mbhc_zdet_param zdet_param[] = {
|
||||
{4, 0, 4, 0x08, 0x14, 0x18}, /* < 32ohm */
|
||||
{4, 0, 6, 0x18, 0x60, 0x78}, /* 32ohm < Z < 400ohm */
|
||||
{1, 4, 5, 0x18, 0x7C, 0x90}, /* 400ohm < Z < 1200ohm */
|
||||
{1, 6, 7, 0x18, 0x7C, 0x90}, /* >1200ohm */
|
||||
};
|
||||
struct wcd939x_mbhc_zdet_param *zdet_param_ptr = NULL;
|
||||
s16 d1_a[][4] = {
|
||||
{0, 30, 90, 30},
|
||||
{0, 30, 30, 6},
|
||||
{0, 30, 30, 5},
|
||||
{0, 30, 30, 5},
|
||||
};
|
||||
s16 *d1 = NULL;
|
||||
struct wcd939x_mbhc_zdet_param zdet_param = {4, 0, 6, 0x18, 0x60, 0x78};
|
||||
struct wcd939x_mbhc_zdet_param *zdet_param_ptr = &zdet_param;
|
||||
s16 d1[] = {0, 30, 30, 6};
|
||||
|
||||
WCD_MBHC_RSC_ASSERT_LOCKED(mbhc);
|
||||
|
||||
/* Turn on RX supplies */
|
||||
if (wcd939x->version == WCD939X_VERSION_2_0) {
|
||||
/* Start up Buck/Flyback, Enable RX bias, Use MBHC RCO for MBHC Zdet, Enable Vneg */
|
||||
regmap_update_bits(wcd939x->regmap, WCD939X_ZDET_VNEG_CTL, 0x4C, 0x4C);
|
||||
/* Wait 100us for settling */
|
||||
usleep_range(100, 110);
|
||||
/* Enable VNEGDAC_LDO */
|
||||
regmap_update_bits(wcd939x->regmap, WCD939X_ZDET_VNEG_CTL, 0x10, 0x10);
|
||||
/* Wait 100us for settling */
|
||||
usleep_range(100, 110);
|
||||
/* Keep PA left/right channels disabled */
|
||||
regmap_update_bits(wcd939x->regmap, WCD939X_ZDET_VNEG_CTL, 0x01, 0x01);
|
||||
/* Enable VPOS */
|
||||
regmap_update_bits(wcd939x->regmap, WCD939X_ZDET_VNEG_CTL, 0x20, 0x20);
|
||||
/* Wait 500us for settling */
|
||||
usleep_range(500, 510);
|
||||
}
|
||||
|
||||
/* Store register values */
|
||||
reg0 = snd_soc_component_read(component, WCD939X_MBHC_BTN5);
|
||||
reg1 = snd_soc_component_read(component, WCD939X_MBHC_BTN6);
|
||||
reg2 = snd_soc_component_read(component, WCD939X_MBHC_BTN7);
|
||||
reg3 = snd_soc_component_read(component, WCD939X_CTL_CLK);
|
||||
reg4 = snd_soc_component_read(component, WCD939X_ZDET_ANA_CTL);
|
||||
|
||||
/* Disable the detection FSM */
|
||||
if (snd_soc_component_read(component, WCD939X_MBHC_ELECT) & 0x80) {
|
||||
is_fsm_disable = true;
|
||||
regmap_update_bits(wcd939x->regmap,
|
||||
@@ -554,76 +793,107 @@ static void wcd939x_wcd_mbhc_calc_impedance(struct wcd_mbhc *mbhc, uint32_t *zl,
|
||||
/* 1ms delay needed after disable surge protection */
|
||||
usleep_range(1000, 1010);
|
||||
|
||||
/* First get impedance on Left */
|
||||
d1 = d1_a[1];
|
||||
zdet_param_ptr = &zdet_param[1];
|
||||
wcd939x_mbhc_zdet_ramp(component, zdet_param_ptr, &z1L, NULL, d1);
|
||||
|
||||
if (!WCD939X_MBHC_IS_SECOND_RAMP_REQUIRED(z1L))
|
||||
goto left_ch_impedance;
|
||||
|
||||
/* Second ramp for left ch */
|
||||
if (z1L < WCD939X_ZDET_VAL_32) {
|
||||
zdet_param_ptr = &zdet_param[0];
|
||||
d1 = d1_a[0];
|
||||
} else if ((z1L > WCD939X_ZDET_VAL_400) &&
|
||||
(z1L <= WCD939X_ZDET_VAL_1200)) {
|
||||
zdet_param_ptr = &zdet_param[2];
|
||||
d1 = d1_a[2];
|
||||
} else if (z1L > WCD939X_ZDET_VAL_1200) {
|
||||
zdet_param_ptr = &zdet_param[3];
|
||||
d1 = d1_a[3];
|
||||
#if IS_ENABLED(CONFIG_QCOM_WCD_USBSS_I2C)
|
||||
/* Disable sense switch and MIC for USB-C analog platforms */
|
||||
if (mbhc->mbhc_cfg->enable_usbc_analog) {
|
||||
wcd_usbss_set_switch_settings_enable(SENSE_SWITCHES, USBSS_SWITCH_DISABLE);
|
||||
wcd_usbss_set_switch_settings_enable(MIC_SWITCHES, USBSS_SWITCH_DISABLE);
|
||||
}
|
||||
wcd939x_mbhc_zdet_ramp(component, zdet_param_ptr, &z1L, NULL, d1);
|
||||
#endif
|
||||
|
||||
left_ch_impedance:
|
||||
if ((z1L == WCD939X_ZDET_FLOATING_IMPEDANCE) ||
|
||||
(z1L > WCD939X_ZDET_VAL_100K)) {
|
||||
/* L-channel impedance */
|
||||
wcd939x_mbhc_zdet_ramp(component, zdet_param_ptr, &z1L, NULL, d1);
|
||||
if ((z1L == WCD939X_ZDET_FLOATING_IMPEDANCE) || (z1L > WCD939X_ZDET_VAL_100K)) {
|
||||
*zl = WCD939X_ZDET_FLOATING_IMPEDANCE;
|
||||
zdet_param_ptr = &zdet_param[1];
|
||||
d1 = d1_a[1];
|
||||
} else {
|
||||
*zl = z1L/1000;
|
||||
*zl = z1L;
|
||||
wcd939x_wcd_mbhc_qfuse_cal(component, zl, 0);
|
||||
}
|
||||
dev_dbg(component->dev, "%s: impedance on HPH_L = %d(ohms)\n",
|
||||
/* Differential measurement for USB-C analog platforms */
|
||||
if (mbhc->mbhc_cfg->enable_usbc_analog) {
|
||||
dev_dbg(component->dev, "%s: effective impedance on HPH_L = %d(mohms)\n",
|
||||
__func__, *zl);
|
||||
goto diff_impedance;
|
||||
}
|
||||
dev_dbg(component->dev, "%s: impedance on HPH_L = %d(mohms)\n",
|
||||
__func__, *zl);
|
||||
|
||||
/* Start of right impedance ramp and calculation */
|
||||
/* R-channel impedance */
|
||||
wcd939x_mbhc_zdet_ramp(component, zdet_param_ptr, NULL, &z1R, d1);
|
||||
if (WCD939X_MBHC_IS_SECOND_RAMP_REQUIRED(z1R)) {
|
||||
if (((z1R > WCD939X_ZDET_VAL_1200) &&
|
||||
(zdet_param_ptr->noff == 0x6)) ||
|
||||
((*zl) != WCD939X_ZDET_FLOATING_IMPEDANCE))
|
||||
goto right_ch_impedance;
|
||||
/* Second ramp for right ch */
|
||||
if (z1R < WCD939X_ZDET_VAL_32) {
|
||||
zdet_param_ptr = &zdet_param[0];
|
||||
d1 = d1_a[0];
|
||||
} else if ((z1R > WCD939X_ZDET_VAL_400) &&
|
||||
(z1R <= WCD939X_ZDET_VAL_1200)) {
|
||||
zdet_param_ptr = &zdet_param[2];
|
||||
d1 = d1_a[2];
|
||||
} else if (z1R > WCD939X_ZDET_VAL_1200) {
|
||||
zdet_param_ptr = &zdet_param[3];
|
||||
d1 = d1_a[3];
|
||||
}
|
||||
wcd939x_mbhc_zdet_ramp(component, zdet_param_ptr, NULL, &z1R, d1);
|
||||
}
|
||||
right_ch_impedance:
|
||||
if ((z1R == WCD939X_ZDET_FLOATING_IMPEDANCE) ||
|
||||
(z1R > WCD939X_ZDET_VAL_100K)) {
|
||||
if ((z1R == WCD939X_ZDET_FLOATING_IMPEDANCE) || (z1R > WCD939X_ZDET_VAL_100K)) {
|
||||
*zr = WCD939X_ZDET_FLOATING_IMPEDANCE;
|
||||
} else {
|
||||
*zr = z1R/1000;
|
||||
*zr = z1R;
|
||||
wcd939x_wcd_mbhc_qfuse_cal(component, zr, 1);
|
||||
}
|
||||
dev_dbg(component->dev, "%s: impedance on HPH_R = %d(ohms)\n",
|
||||
dev_dbg(component->dev, "%s: impedance on HPH_R = %d(mohms)\n",
|
||||
__func__, *zr);
|
||||
/* Convert from mohms to ohms (rounded) */
|
||||
*zl = (*zl + OHMS_TO_MILLIOHMS / 2) / OHMS_TO_MILLIOHMS;
|
||||
*zr = (*zr + OHMS_TO_MILLIOHMS / 2) / OHMS_TO_MILLIOHMS;
|
||||
goto mono_stereo_detection;
|
||||
|
||||
diff_impedance:
|
||||
#if IS_ENABLED(CONFIG_QCOM_WCD_USBSS_I2C)
|
||||
/* Disable AGND switch */
|
||||
wcd_usbss_set_switch_settings_enable(AGND_SWITCHES, USBSS_SWITCH_DISABLE);
|
||||
#endif
|
||||
/* Enable HPHR NCLAMP */
|
||||
regmap_update_bits(wcd939x->regmap, WCD939X_HPHLR_SURGE_MISC1, 0x08, 0x08);
|
||||
|
||||
/* Diffrential impedance */
|
||||
wcd939x_mbhc_zdet_ramp(component, zdet_param_ptr, &z1Diff, NULL, d1);
|
||||
if ((z1Diff == WCD939X_ZDET_FLOATING_IMPEDANCE) || (z1Diff > WCD939X_ZDET_VAL_100K)) {
|
||||
*zdiff = WCD939X_ZDET_FLOATING_IMPEDANCE;
|
||||
} else {
|
||||
*zdiff = z1Diff;
|
||||
wcd939x_wcd_mbhc_qfuse_cal(component, zdiff, 0);
|
||||
}
|
||||
dev_dbg(component->dev, "%s: effective impedance on HPH_diff after calib = %d(mohms)\n",
|
||||
__func__, *zdiff);
|
||||
/* Disable HPHR NCLAMP */
|
||||
regmap_update_bits(wcd939x->regmap, WCD939X_HPHLR_SURGE_MISC1, 0x08, 0x00);
|
||||
#if IS_ENABLED(CONFIG_QCOM_WCD_USBSS_I2C)
|
||||
/* Enable AGND switch */
|
||||
wcd_usbss_set_switch_settings_enable(AGND_SWITCHES, USBSS_SWITCH_ENABLE);
|
||||
/* Get ground internal resistance based on orientation */
|
||||
if (wcd_usbss_get_sbu_switch_orientation() == GND_SBU2_ORIENTATION_A) {
|
||||
r_gnd_int_fet_mohms = pdata->usbcss_hs.r_gnd_sbu2_int_fet_mohms;
|
||||
} else if (wcd_usbss_get_sbu_switch_orientation() == GND_SBU1_ORIENTATION_B) {
|
||||
r_gnd_int_fet_mohms = pdata->usbcss_hs.r_gnd_sbu1_int_fet_mohms;
|
||||
} else {
|
||||
*zl = 0;
|
||||
*zr = 0;
|
||||
dev_dbg(component->dev, "%s: Invalid SBU switch orientation\n", __func__);
|
||||
goto zdet_complete;
|
||||
}
|
||||
#endif
|
||||
/* Compute external fet and effective load impedance */
|
||||
r_gnd_ext_fet_mohms = *zl - *zdiff / 2 + pdata->usbcss_hs.r_surge_mohms / 2 -
|
||||
pdata->usbcss_hs.r_gnd_par_tot_mohms - r_gnd_int_fet_mohms;
|
||||
rl_eff_mohms = *zdiff / 2 - pdata->usbcss_hs.r_aud_int_fet_r_mohms -
|
||||
pdata->usbcss_hs.r_gnd_ext_fet_mohms - pdata->usbcss_hs.r_surge_mohms / 2 -
|
||||
pdata->usbcss_hs.r_gnd_par_tot_mohms;
|
||||
/* Store values */
|
||||
*zl = (rl_eff_mohms - pdata->usbcss_hs.r_conn_par_load_pos_mohms - pdata->usbcss_hs.r3 +
|
||||
OHMS_TO_MILLIOHMS / 2) / OHMS_TO_MILLIOHMS;
|
||||
*zr = *zl;
|
||||
|
||||
/* Update USBC-SS HS params */
|
||||
if (rl_eff_mohms > MAX_RL_EFF_MOHMS)
|
||||
rl_eff_mohms = MAX_RL_EFF_MOHMS;
|
||||
else if (rl_eff_mohms == 0)
|
||||
rl_eff_mohms = MIN_RL_EFF_MOHMS;
|
||||
pdata->usbcss_hs.r_load_eff_l_mohms = rl_eff_mohms;
|
||||
pdata->usbcss_hs.r_load_eff_r_mohms = rl_eff_mohms;
|
||||
update_ext_fet_res(pdata, r_gnd_ext_fet_mohms);
|
||||
update_xtalk_scale_and_alpha(pdata, wcd939x->regmap);
|
||||
dev_dbg(component->dev, "%s: Xtalk scale is 0x%x and alpha is 0x%x\n",
|
||||
__func__, pdata->usbcss_hs.scale_l, pdata->usbcss_hs.alpha_l);
|
||||
|
||||
mono_stereo_detection:
|
||||
/* Mono/stereo detection */
|
||||
if ((*zl == WCD939X_ZDET_FLOATING_IMPEDANCE) &&
|
||||
(*zr == WCD939X_ZDET_FLOATING_IMPEDANCE)) {
|
||||
if ((*zl == WCD939X_ZDET_FLOATING_IMPEDANCE) && (*zr == WCD939X_ZDET_FLOATING_IMPEDANCE)) {
|
||||
dev_dbg(component->dev,
|
||||
"%s: plug type is invalid or extension cable\n",
|
||||
__func__);
|
||||
@@ -641,7 +911,7 @@ right_ch_impedance:
|
||||
}
|
||||
snd_soc_component_update_bits(component, WCD939X_R_ATEST, 0x02, 0x02);
|
||||
snd_soc_component_update_bits(component, WCD939X_PA_CTL2, 0x40, 0x01);
|
||||
wcd939x_mbhc_zdet_ramp(component, &zdet_param[1], &z1Ls, NULL, d1);
|
||||
wcd939x_mbhc_zdet_ramp(component, zdet_param_ptr, &z1Ls, NULL, d1);
|
||||
snd_soc_component_update_bits(component, WCD939X_PA_CTL2, 0x40, 0x00);
|
||||
snd_soc_component_update_bits(component, WCD939X_R_ATEST, 0x02, 0x00);
|
||||
z1Ls /= 1000;
|
||||
@@ -660,10 +930,18 @@ right_ch_impedance:
|
||||
mbhc->hph_type = WCD_MBHC_HPH_MONO;
|
||||
}
|
||||
|
||||
zdet_complete:
|
||||
#if IS_ENABLED(CONFIG_QCOM_WCD_USBSS_I2C)
|
||||
/* Enable sense switch and MIC for USB-C analog platforms */
|
||||
if (mbhc->mbhc_cfg->enable_usbc_analog) {
|
||||
wcd_usbss_set_switch_settings_enable(SENSE_SWITCHES, USBSS_SWITCH_ENABLE);
|
||||
wcd_usbss_set_switch_settings_enable(MIC_SWITCHES, USBSS_SWITCH_ENABLE);
|
||||
}
|
||||
#endif
|
||||
/* Enable surge protection again after impedance detection */
|
||||
regmap_update_bits(wcd939x->regmap,
|
||||
WCD939X_HPHLR_SURGE_EN, 0xC0, 0xC0);
|
||||
zdet_complete:
|
||||
|
||||
snd_soc_component_write(component, WCD939X_MBHC_BTN5, reg0);
|
||||
snd_soc_component_write(component, WCD939X_MBHC_BTN6, reg1);
|
||||
snd_soc_component_write(component, WCD939X_MBHC_BTN7, reg2);
|
||||
@@ -681,6 +959,24 @@ zdet_complete:
|
||||
if (is_fsm_disable)
|
||||
regmap_update_bits(wcd939x->regmap,
|
||||
WCD939X_MBHC_ELECT, 0x80, 0x80);
|
||||
|
||||
/* Turn off RX supplies */
|
||||
if (wcd939x->version == WCD939X_VERSION_2_0) {
|
||||
/* Set VPOS to be controlled by RX */
|
||||
regmap_update_bits(wcd939x->regmap, WCD939X_ZDET_VNEG_CTL, 0x20, 0x00);
|
||||
/* Wait 500us for settling */
|
||||
usleep_range(500, 510);
|
||||
/* Set PA Left/Right channels and VNEGDAC_LDO to be controlled by RX */
|
||||
regmap_update_bits(wcd939x->regmap, WCD939X_ZDET_VNEG_CTL, 0x11, 0x00);
|
||||
/* Wait 100us for settling */
|
||||
usleep_range(100, 110);
|
||||
/* Set Vneg mode and enable to be controlled by RX */
|
||||
regmap_update_bits(wcd939x->regmap, WCD939X_ZDET_VNEG_CTL, 0x06, 0x00);
|
||||
/* Wait 100us for settling */
|
||||
usleep_range(100, 110);
|
||||
/* Set RX bias to be controlled by RX and set Buck/Flyback back to SWR Rx clock */
|
||||
regmap_update_bits(wcd939x->regmap, WCD939X_ZDET_VNEG_CTL, 0x48, 0x00);
|
||||
}
|
||||
}
|
||||
|
||||
static void wcd939x_mbhc_gnd_det_ctrl(struct snd_soc_component *component,
|
||||
|
@@ -1,7 +1,7 @@
|
||||
/* SPDX-License-Identifier: GPL-2.0-only */
|
||||
/*
|
||||
* Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
|
||||
* Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
|
||||
* Copyright (c) 2022-2023, Qualcomm Innovation Center, Inc. All rights reserved.
|
||||
*/
|
||||
#ifndef __WCD939X_MBHC_H__
|
||||
#define __WCD939X_MBHC_H__
|
||||
@@ -13,6 +13,17 @@ struct wcd939x_mbhc {
|
||||
struct fw_info *fw_data;
|
||||
};
|
||||
|
||||
static inline u32 get_r_gnd_res_tot_mohms(u32 r_gnd_int_fet_mohms, u32 r_gnd_ext_fet_mohms,
|
||||
u32 r_gnd_par_tot_mohms)
|
||||
{
|
||||
return r_gnd_int_fet_mohms + r_gnd_ext_fet_mohms + r_gnd_par_tot_mohms;
|
||||
}
|
||||
|
||||
static inline u32 get_r_aud_res_tot_mohms(u32 r_aud_int_fet_mohms, u32 r_aud_ext_fet_mohms)
|
||||
{
|
||||
return r_aud_int_fet_mohms + r_aud_ext_fet_mohms;
|
||||
}
|
||||
|
||||
#if IS_ENABLED(CONFIG_SND_SOC_WCD939X)
|
||||
extern int wcd939x_mbhc_init(struct wcd939x_mbhc **mbhc,
|
||||
struct snd_soc_component *component,
|
||||
|
@@ -48,20 +48,13 @@
|
||||
#define ADC_MODE_VAL_ULP2 0x0B
|
||||
|
||||
#define HPH_IMPEDANCE_2VPK_MODE_OHMS 260
|
||||
#define XTALK_L_CH_NUM 0
|
||||
#define XTALK_R_CH_NUM 1
|
||||
|
||||
#define NUM_ATTEMPTS 5
|
||||
#define COMP_MAX_COEFF 25
|
||||
#define HPH_MODE_MAX 4
|
||||
|
||||
#define FLOAT_TO_FIXED (1 << 12)
|
||||
#define MAX_XTALK_SCALE 31
|
||||
#define MAX_XTALK_ALPHA 255
|
||||
#define MAX_RLOAD_OHMS 1000
|
||||
#define MAX_IMPEDANCE_MOHMS 20000
|
||||
#define OHMS_TO_MILLIOHMS 1000
|
||||
#define XTALK_L_CH_NUM 0
|
||||
#define XTALK_R_CH_NUM 1
|
||||
|
||||
#define DAPM_MICBIAS1_STANDALONE "MIC BIAS1 Standalone"
|
||||
#define DAPM_MICBIAS2_STANDALONE "MIC BIAS2 Standalone"
|
||||
#define DAPM_MICBIAS3_STANDALONE "MIC BIAS3 Standalone"
|
||||
@@ -1037,180 +1030,12 @@ static int wcd939x_config_compander(struct snd_soc_component *component,
|
||||
return 0;
|
||||
}
|
||||
|
||||
static u8 get_xtalk_scale(u32 gain)
|
||||
{
|
||||
u8 i;
|
||||
int target = FLOAT_TO_FIXED / ((int) gain);
|
||||
int residue = target;
|
||||
|
||||
for (i = 0; i <= MAX_XTALK_SCALE; i++) {
|
||||
residue = target - (1 << ((int)((u32) i)));
|
||||
if (residue <= 0)
|
||||
return i;
|
||||
}
|
||||
return MAX_XTALK_SCALE;
|
||||
}
|
||||
|
||||
static u8 get_xtalk_alpha(u32 gain, u8 scale)
|
||||
{
|
||||
u32 two_exp_scale = 1 << ((u32) scale);
|
||||
u32 round_offset = FLOAT_TO_FIXED / 2;
|
||||
u32 alpha = (((gain * two_exp_scale - FLOAT_TO_FIXED) * 255) + round_offset)
|
||||
/ FLOAT_TO_FIXED;
|
||||
return (alpha <= MAX_XTALK_ALPHA) ? ((u8) alpha) : MAX_XTALK_ALPHA;
|
||||
}
|
||||
|
||||
static u32 get_r_gnd_res_tot_mohms(u32 r_gnd_int_fet_mohms, u32 r_gnd_par_route1_mohms,
|
||||
u32 r_gnd_par_route2_mohms, u32 r_gnd_ext_fet_mohms,
|
||||
u32 r_conn_par_load_neg_mohms)
|
||||
{
|
||||
return r_gnd_int_fet_mohms + r_gnd_par_route1_mohms + r_gnd_par_route2_mohms +
|
||||
r_gnd_ext_fet_mohms + r_conn_par_load_neg_mohms;
|
||||
}
|
||||
|
||||
static u32 get_r_aud_res_tot_mohms(u32 r_aud_int_fet_mohms, u32 r_aud_ext_fet_mohms,
|
||||
u32 r_conn_par_load_pos_mohms)
|
||||
{
|
||||
return r_aud_int_fet_mohms + r_aud_ext_fet_mohms + r_conn_par_load_pos_mohms;
|
||||
}
|
||||
|
||||
static u32 get_v_common_gnd_factor(u32 r_gnd_res_tot_mohms, u32 r_load_mohms,
|
||||
u32 r_aud_res_tot_mohms)
|
||||
{
|
||||
return FLOAT_TO_FIXED * r_gnd_res_tot_mohms /
|
||||
(r_load_mohms + r_aud_res_tot_mohms + r_gnd_res_tot_mohms);
|
||||
}
|
||||
|
||||
static u32 get_v_feedback_tap_factor(u32 r_gnd_int_fet_mohms, u32 r_gnd_par_route1_mohms,
|
||||
u32 r_load_mohms, u32 r_gnd_res_tot_mohms,
|
||||
u32 r_aud_res_tot_mohms)
|
||||
{
|
||||
return FLOAT_TO_FIXED * (r_gnd_int_fet_mohms + r_gnd_par_route1_mohms) /
|
||||
(r_load_mohms + r_gnd_res_tot_mohms + r_aud_res_tot_mohms);
|
||||
}
|
||||
|
||||
static u32 get_v_feedback_tap_factor_analog(u32 r_conn_par_load_neg_mohms, u32 r_load_mohms,
|
||||
u32 r_gnd_res_tot_mohms, u32 r_aud_res_tot_mohms)
|
||||
{
|
||||
return FLOAT_TO_FIXED * (r_gnd_res_tot_mohms - r_conn_par_load_neg_mohms) /
|
||||
(r_load_mohms + r_gnd_res_tot_mohms + r_aud_res_tot_mohms);
|
||||
}
|
||||
|
||||
static u32 get_xtalk_gain(u32 v_common_gnd_factor, u32 v_feedback_tap_factor)
|
||||
{
|
||||
return v_common_gnd_factor - v_feedback_tap_factor;
|
||||
}
|
||||
|
||||
static void get_xtalk_scale_and_alpha(struct snd_soc_component *component, int xtalk_indx,
|
||||
u8 *scale, u8 *alpha)
|
||||
{
|
||||
u32 r_aud_int_fet_mohms = 0, r_aud_ext_fet_mohms = 0, r_conn_par_load_pos_mohms = 0,
|
||||
r_load_mohms = 32360, r_aud_res_tot_mohms = 0, v_common_gnd_factor = 0,
|
||||
v_feedback_tap_factor = 0, xtalk_gain = 0, zl = 0, zr = 0;
|
||||
struct wcd939x_priv *wcd939x = NULL;
|
||||
struct wcd939x_pdata *pdata = NULL;
|
||||
|
||||
if ((xtalk_indx != XTALK_L_CH_NUM) && (xtalk_indx != XTALK_R_CH_NUM))
|
||||
goto err_data;
|
||||
wcd939x = snd_soc_component_get_drvdata(component);
|
||||
if (!wcd939x->dev)
|
||||
goto err_data;
|
||||
pdata = dev_get_platdata(wcd939x->dev);
|
||||
if (pdata->xtalk.xtalk_config == XTALK_NONE)
|
||||
goto err_data;
|
||||
|
||||
/* Get headphone impedance for r_load */
|
||||
wcd939x_mbhc_get_impedance(wcd939x->mbhc, &zl, &zr);
|
||||
if (xtalk_indx == XTALK_L_CH_NUM) {
|
||||
if (zl > MAX_RLOAD_OHMS || zl == 0) {
|
||||
pdata->xtalk.scale_l = MAX_XTALK_SCALE;
|
||||
pdata->xtalk.alpha_l = MAX_XTALK_ALPHA;
|
||||
pdata->xtalk.zl = 0;
|
||||
goto err_data;
|
||||
}
|
||||
/* Use cached alpha and scale for the same headphone load */
|
||||
if (zl == pdata->xtalk.zl) {
|
||||
*alpha = pdata->xtalk.alpha_l;
|
||||
*scale = pdata->xtalk.scale_l;
|
||||
return;
|
||||
}
|
||||
pdata->xtalk.zl = zl;
|
||||
} else {
|
||||
if (zr > MAX_RLOAD_OHMS || zr == 0) {
|
||||
pdata->xtalk.scale_r = MAX_XTALK_SCALE;
|
||||
pdata->xtalk.alpha_r = MAX_XTALK_ALPHA;
|
||||
pdata->xtalk.zr = 0;
|
||||
goto err_data;
|
||||
}
|
||||
/* Use cached alpha and scale for the same headphone load */
|
||||
if (zr == pdata->xtalk.zr) {
|
||||
*alpha = pdata->xtalk.alpha_r;
|
||||
*scale = pdata->xtalk.scale_r;
|
||||
return;
|
||||
}
|
||||
pdata->xtalk.zr = zr;
|
||||
}
|
||||
|
||||
/* Channel-dependent impedance parameters */
|
||||
if (xtalk_indx == XTALK_L_CH_NUM) {
|
||||
r_aud_int_fet_mohms = pdata->xtalk.r_aud_int_fet_l_mohms;
|
||||
r_aud_ext_fet_mohms = pdata->xtalk.r_aud_ext_fet_l_mohms;
|
||||
r_conn_par_load_pos_mohms = pdata->xtalk.r_conn_par_load_pos_l_mohms;
|
||||
r_aud_res_tot_mohms = pdata->xtalk.r_aud_res_tot_l_mohms;
|
||||
r_load_mohms = pdata->xtalk.zl * OHMS_TO_MILLIOHMS;
|
||||
} else {
|
||||
r_aud_int_fet_mohms = pdata->xtalk.r_aud_int_fet_r_mohms;
|
||||
r_aud_ext_fet_mohms = pdata->xtalk.r_aud_ext_fet_r_mohms;
|
||||
r_conn_par_load_pos_mohms = pdata->xtalk.r_conn_par_load_pos_r_mohms;
|
||||
r_aud_res_tot_mohms = pdata->xtalk.r_aud_res_tot_r_mohms;
|
||||
r_load_mohms = pdata->xtalk.zr * OHMS_TO_MILLIOHMS;
|
||||
}
|
||||
|
||||
/* Xtalk gain calculation */
|
||||
v_common_gnd_factor = get_v_common_gnd_factor(pdata->xtalk.r_gnd_res_tot_mohms,
|
||||
r_load_mohms,
|
||||
r_aud_res_tot_mohms);
|
||||
if (pdata->xtalk.xtalk_config == XTALK_ANALOG) {
|
||||
v_feedback_tap_factor = get_v_feedback_tap_factor_analog(
|
||||
pdata->xtalk.r_conn_par_load_neg_mohms,
|
||||
r_load_mohms,
|
||||
pdata->xtalk.r_gnd_res_tot_mohms,
|
||||
r_aud_res_tot_mohms);
|
||||
} else {
|
||||
v_feedback_tap_factor = get_v_feedback_tap_factor(
|
||||
pdata->xtalk.r_gnd_int_fet_mohms,
|
||||
pdata->xtalk.r_gnd_par_route1_mohms,
|
||||
r_load_mohms,
|
||||
pdata->xtalk.r_gnd_res_tot_mohms,
|
||||
r_aud_res_tot_mohms);
|
||||
}
|
||||
xtalk_gain = get_xtalk_gain(v_common_gnd_factor, v_feedback_tap_factor);
|
||||
|
||||
/* Store scale and alpha values */
|
||||
*scale = get_xtalk_scale(xtalk_gain);
|
||||
*alpha = get_xtalk_alpha(xtalk_gain, *scale);
|
||||
if (xtalk_indx == XTALK_L_CH_NUM) {
|
||||
pdata->xtalk.scale_l = *scale;
|
||||
pdata->xtalk.alpha_l = *alpha;
|
||||
} else {
|
||||
pdata->xtalk.scale_r = *scale;
|
||||
pdata->xtalk.alpha_r = *alpha;
|
||||
}
|
||||
|
||||
return;
|
||||
|
||||
err_data:
|
||||
*scale = MAX_XTALK_SCALE;
|
||||
*alpha = MAX_XTALK_ALPHA;
|
||||
}
|
||||
|
||||
static int wcd939x_config_xtalk(struct snd_soc_component *component,
|
||||
int event, int xtalk_indx)
|
||||
{
|
||||
u8 scale = MAX_XTALK_SCALE, alpha = MAX_XTALK_ALPHA;
|
||||
u16 xtalk_sec0 = 0, xtalk_sec1 = 0, xtalk_sec2 = 0, xtalk_sec3 = 0;
|
||||
struct wcd939x_priv *wcd939x = NULL;
|
||||
|
||||
struct wcd939x_pdata *pdata = NULL;
|
||||
if (!component) {
|
||||
pr_err_ratelimited("%s: Invalid params, NULL component\n", __func__);
|
||||
return -EINVAL;
|
||||
@@ -1221,6 +1046,8 @@ static int wcd939x_config_xtalk(struct snd_soc_component *component,
|
||||
if (!wcd939x->xtalk_enabled[xtalk_indx])
|
||||
return 0;
|
||||
|
||||
pdata = dev_get_platdata(wcd939x->dev);
|
||||
|
||||
dev_dbg(component->dev, "%s xtalk_indx = %d event = %d\n",
|
||||
__func__, xtalk_indx, event);
|
||||
|
||||
@@ -1232,10 +1059,25 @@ static int wcd939x_config_xtalk(struct snd_soc_component *component,
|
||||
xtalk_sec2 = WCD939X_HPHL_RX_PATH_SEC2 + (xtalk_indx * WCD939X_XTALK_OFFSET);
|
||||
xtalk_sec3 = WCD939X_HPHL_RX_PATH_SEC3 + (xtalk_indx * WCD939X_XTALK_OFFSET);
|
||||
|
||||
/* Determine scale and alpha */
|
||||
get_xtalk_scale_and_alpha(component, xtalk_indx, &scale, &alpha);
|
||||
snd_soc_component_update_bits(component, xtalk_sec1, 0xFF, alpha);
|
||||
snd_soc_component_update_bits(component, xtalk_sec0, 0x1F, scale);
|
||||
/* Write scale and alpha based on channel */
|
||||
if (xtalk_indx == XTALK_L_CH_NUM) {
|
||||
snd_soc_component_update_bits(component, xtalk_sec1, 0xFF,
|
||||
pdata->usbcss_hs.alpha_l);
|
||||
snd_soc_component_update_bits(component, xtalk_sec0, 0x1F,
|
||||
pdata->usbcss_hs.scale_l);
|
||||
} else if (xtalk_indx == XTALK_R_CH_NUM) {
|
||||
snd_soc_component_update_bits(component, xtalk_sec1, 0xFF,
|
||||
pdata->usbcss_hs.alpha_r);
|
||||
snd_soc_component_update_bits(component, xtalk_sec0, 0x1F,
|
||||
pdata->usbcss_hs.scale_r);
|
||||
} else {
|
||||
snd_soc_component_update_bits(component, xtalk_sec1, 0xFF, MIN_XTALK_ALPHA);
|
||||
snd_soc_component_update_bits(component, xtalk_sec0, 0x1F, MAX_XTALK_SCALE);
|
||||
}
|
||||
|
||||
dev_dbg(component->dev, "%s Scale = 0x%x, Alpha = 0x%x\n", __func__,
|
||||
snd_soc_component_read(component, xtalk_sec0),
|
||||
snd_soc_component_read(component, xtalk_sec1));
|
||||
|
||||
snd_soc_component_update_bits(component, xtalk_sec3, 0xFF, 0x4F);
|
||||
snd_soc_component_update_bits(component, xtalk_sec2, 0x1F, 0x11);
|
||||
@@ -1252,7 +1094,6 @@ static int wcd939x_config_xtalk(struct snd_soc_component *component,
|
||||
0x00, 0x00);
|
||||
break;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
@@ -4908,26 +4749,37 @@ static void wcd939x_dt_parse_micbias_info(struct device *dev,
|
||||
}
|
||||
}
|
||||
|
||||
static void init_xtalk_params(struct wcd939x_xtalk_params *xtalk)
|
||||
static void init_usbcss_hs_params(struct wcd939x_usbcss_hs_params *usbcss_hs)
|
||||
{
|
||||
xtalk->r_gnd_int_fet_mohms = 200;
|
||||
xtalk->r_gnd_par_route1_mohms = 50;
|
||||
xtalk->r_gnd_par_route2_mohms = 50;
|
||||
xtalk->r_gnd_ext_fet_mohms = 650;
|
||||
xtalk->r_conn_par_load_neg_mohms = 125;
|
||||
xtalk->r_aud_int_fet_l_mohms = 200;
|
||||
xtalk->r_aud_int_fet_r_mohms = 200;
|
||||
xtalk->r_aud_ext_fet_l_mohms = 650;
|
||||
xtalk->r_aud_ext_fet_r_mohms = 650;
|
||||
xtalk->r_conn_par_load_pos_l_mohms = 7550;
|
||||
xtalk->r_conn_par_load_pos_r_mohms = 7550;
|
||||
xtalk->zl = 0;
|
||||
xtalk->zr = 0;
|
||||
xtalk->scale_l = MAX_XTALK_SCALE;
|
||||
xtalk->alpha_l = MAX_XTALK_ALPHA;
|
||||
xtalk->scale_r = MAX_XTALK_SCALE;
|
||||
xtalk->alpha_r = MAX_XTALK_ALPHA;
|
||||
xtalk->xtalk_config = XTALK_ANALOG;
|
||||
usbcss_hs->r_gnd_sbu1_int_fet_mohms = 145;
|
||||
usbcss_hs->r_gnd_sbu2_int_fet_mohms = 185;
|
||||
usbcss_hs->r_gnd_ext_fet_customer_mohms = 0;
|
||||
usbcss_hs->r_gnd_ext_fet_mohms = 0; /* to be computed during MBHC zdet */
|
||||
usbcss_hs->r_gnd_par_route1_mohms = 5;
|
||||
usbcss_hs->r_gnd_par_route2_mohms = 330;
|
||||
usbcss_hs->r_gnd_par_tot_mohms = 0;
|
||||
usbcss_hs->r_gnd_sbu1_res_tot_mohms = 0;
|
||||
usbcss_hs->r_gnd_sbu2_res_tot_mohms = 0;
|
||||
usbcss_hs->r_conn_par_load_pos_mohms = 7550;
|
||||
usbcss_hs->r_aud_int_fet_l_mohms = 303;
|
||||
usbcss_hs->r_aud_int_fet_r_mohms = 275;
|
||||
usbcss_hs->r_aud_ext_fet_l_mohms = 0; /* to be computed during MBHC zdet */
|
||||
usbcss_hs->r_aud_ext_fet_r_mohms = 0; /* to be computed during MBHC zdet */
|
||||
usbcss_hs->r_aud_res_tot_l_mohms = 0;
|
||||
usbcss_hs->r_aud_res_tot_r_mohms = 0;
|
||||
usbcss_hs->r_surge_mohms = 272;
|
||||
usbcss_hs->r_load_eff_l_mohms = 0; /* to be computed during MBHC zdet */
|
||||
usbcss_hs->r_load_eff_r_mohms = 0; /* to be computed during MBHC zdet */
|
||||
usbcss_hs->r3 = 1;
|
||||
usbcss_hs->r4 = 330;
|
||||
usbcss_hs->r5 = 5;
|
||||
usbcss_hs->r6 = 1;
|
||||
usbcss_hs->r7 = 5;
|
||||
usbcss_hs->scale_l = MAX_XTALK_SCALE;
|
||||
usbcss_hs->alpha_l = MIN_XTALK_ALPHA;
|
||||
usbcss_hs->scale_r = MAX_XTALK_SCALE;
|
||||
usbcss_hs->alpha_r = MIN_XTALK_ALPHA;
|
||||
usbcss_hs->xtalk_config = XTALK_NONE;
|
||||
}
|
||||
|
||||
static void parse_xtalk_param(struct device *dev, u32 default_val, u32 *prop_val_p,
|
||||
@@ -4937,7 +4789,7 @@ static void parse_xtalk_param(struct device *dev, u32 default_val, u32 *prop_val
|
||||
|
||||
if (of_find_property(dev->of_node, prop, NULL)) {
|
||||
rc = wcd939x_read_of_property_u32(dev, prop, prop_val_p);
|
||||
if ((!rc) && (*prop_val_p <= MAX_IMPEDANCE_MOHMS) && (*prop_val_p > 0))
|
||||
if ((!rc) && (*prop_val_p <= MAX_USBCSS_HS_IMPEDANCE_MOHMS) && (*prop_val_p > 0))
|
||||
return;
|
||||
*prop_val_p = default_val;
|
||||
dev_dbg(dev, "%s: %s OOB. Default value of %d will be used.\n", __func__, prop,
|
||||
@@ -4949,86 +4801,79 @@ static void parse_xtalk_param(struct device *dev, u32 default_val, u32 *prop_val
|
||||
}
|
||||
}
|
||||
|
||||
static void wcd939x_dt_parse_xtalk_info(struct device *dev, struct wcd939x_xtalk_params *xtalk)
|
||||
static void wcd939x_dt_parse_usbcss_hs_info(struct device *dev,
|
||||
struct wcd939x_usbcss_hs_params *usbcss_hs)
|
||||
{
|
||||
u32 prop_val = 0;
|
||||
int rc = 0;
|
||||
|
||||
init_xtalk_params(xtalk);
|
||||
/* Default values for parameters */
|
||||
init_usbcss_hs_params(usbcss_hs);
|
||||
|
||||
/* xtalk_config: Determine type of crosstalk: none (0), digital (1), or analog (2) */
|
||||
if (of_find_property(dev->of_node, "qcom,xtalk-config", NULL)) {
|
||||
rc = wcd939x_read_of_property_u32(dev, "qcom,xtalk-config", &prop_val);
|
||||
if (of_find_property(dev->of_node, "qcom,usbcss-hs-xtalk-config", NULL)) {
|
||||
rc = wcd939x_read_of_property_u32(dev, "qcom,usbcss-hs-xtalk-config", &prop_val);
|
||||
if ((!rc) && (prop_val == XTALK_NONE || prop_val == XTALK_DIGITAL
|
||||
|| prop_val == XTALK_ANALOG)) {
|
||||
xtalk->xtalk_config = (enum xtalk_mode) prop_val;
|
||||
usbcss_hs->xtalk_config = (enum xtalk_mode) prop_val;
|
||||
} else
|
||||
dev_dbg(dev, "%s: qcom,xtalk-config OOB. Default value of %s used.\n",
|
||||
__func__, "XTALK_NONE");
|
||||
dev_dbg(dev, "%s: %s OOB. Default value of %s used.\n",
|
||||
__func__, "qcom,usbcss-hs-xtalk-config", "XTALK_NONE");
|
||||
} else
|
||||
dev_dbg(dev,
|
||||
"%s: qcom,xtalk-config property not found. Default value of %s used.\n",
|
||||
__func__, "XTALK_NONE");
|
||||
if (xtalk->xtalk_config == XTALK_NONE)
|
||||
goto post_get_params;
|
||||
dev_dbg(dev, "%s: %s property not found. Default value of %s used.\n",
|
||||
__func__, "qcom,usbcss-hs-xtalk-config", "XTALK_NONE");
|
||||
|
||||
/* r_gnd_int_fet_mohms */
|
||||
parse_xtalk_param(dev, xtalk->r_gnd_int_fet_mohms, &prop_val,
|
||||
"qcom,xtalk-r-gnd-int-fet-mohms");
|
||||
xtalk->r_gnd_int_fet_mohms = prop_val;
|
||||
/* r_gnd_par_route1_mohms */
|
||||
parse_xtalk_param(dev, xtalk->r_gnd_par_route1_mohms, &prop_val,
|
||||
"qcom,xtalk-r-gnd-par-route1-mohms");
|
||||
xtalk->r_gnd_par_route1_mohms = prop_val;
|
||||
/* r_gnd_par_route2_mohms */
|
||||
parse_xtalk_param(dev, xtalk->r_gnd_par_route2_mohms, &prop_val,
|
||||
"qcom,xtalk-r-gnd-par-route2-mohms");
|
||||
xtalk->r_gnd_par_route2_mohms = prop_val;
|
||||
/* r_gnd_ext_fet_mohms */
|
||||
parse_xtalk_param(dev, xtalk->r_gnd_ext_fet_mohms, &prop_val,
|
||||
"qcom,xtalk-r-gnd-ext-fet-mohms");
|
||||
xtalk->r_gnd_ext_fet_mohms = prop_val;
|
||||
/* r_conn_par_load_neg_mohms */
|
||||
parse_xtalk_param(dev, xtalk->r_conn_par_load_neg_mohms, &prop_val,
|
||||
"qcom,xtalk-r-conn-par-load-neg-mohms");
|
||||
xtalk->r_conn_par_load_neg_mohms = prop_val;
|
||||
/* r_aud_int_fet_l_mohms */
|
||||
parse_xtalk_param(dev, xtalk->r_aud_int_fet_l_mohms, &prop_val,
|
||||
"qcom,xtalk-r-aud-int-fet-l-mohms");
|
||||
xtalk->r_aud_int_fet_l_mohms = prop_val;
|
||||
/* r_aud_int_fet_r_mohms */
|
||||
parse_xtalk_param(dev, xtalk->r_aud_int_fet_r_mohms, &prop_val,
|
||||
"qcom,xtalk-r-aud-int-fet-r-mohms");
|
||||
xtalk->r_aud_int_fet_r_mohms = prop_val;
|
||||
/* r_aud_ext_fet_l_mohms */
|
||||
parse_xtalk_param(dev, xtalk->r_aud_ext_fet_l_mohms, &prop_val,
|
||||
"qcom,xtalk-r-aud-ext-fet-l-mohms");
|
||||
xtalk->r_aud_ext_fet_l_mohms = prop_val;
|
||||
/* r_aud_ext_fet_r_mohms */
|
||||
parse_xtalk_param(dev, xtalk->r_aud_ext_fet_r_mohms, &prop_val,
|
||||
"qcom,xtalk-r-aud-ext-fet-r-mohms");
|
||||
xtalk->r_aud_ext_fet_r_mohms = prop_val;
|
||||
/* r_conn_par_load_pos_l_mohms */
|
||||
parse_xtalk_param(dev, xtalk->r_conn_par_load_pos_l_mohms, &prop_val,
|
||||
"qcom,xtalk-r-conn-par-load-pos-l-mohms");
|
||||
xtalk->r_conn_par_load_pos_l_mohms = prop_val;
|
||||
/* r_conn_par_load_pos_r_mohms */
|
||||
parse_xtalk_param(dev, xtalk->r_conn_par_load_pos_r_mohms, &prop_val,
|
||||
"qcom,xtalk-r-conn-par-load-pos-r-mohms");
|
||||
xtalk->r_conn_par_load_pos_r_mohms = prop_val;
|
||||
/* r_gnd_ext_fet_customer_mohms */
|
||||
parse_xtalk_param(dev, usbcss_hs->r_gnd_ext_fet_customer_mohms, &prop_val,
|
||||
"qcom,usbcss-hs-rdson");
|
||||
usbcss_hs->r_gnd_ext_fet_customer_mohms = prop_val;
|
||||
/* r_conn_par_load_pos_mohm */
|
||||
parse_xtalk_param(dev, usbcss_hs->r_conn_par_load_pos_mohms, &prop_val,
|
||||
"qcom,usbcss-hs-r2");
|
||||
usbcss_hs->r_conn_par_load_pos_mohms = prop_val;
|
||||
/* r3 */
|
||||
parse_xtalk_param(dev, usbcss_hs->r3, &prop_val,
|
||||
"qcom,usbcss-hs-r3");
|
||||
usbcss_hs->r3 = prop_val;
|
||||
/* r4 */
|
||||
parse_xtalk_param(dev, usbcss_hs->r4, &prop_val,
|
||||
"qcom,usbcss-hs-r4");
|
||||
usbcss_hs->r4 = prop_val;
|
||||
/* r_gnd_par_route1_mohms and r_gnd_par_route2_mohms */
|
||||
if (usbcss_hs->xtalk_config == XTALK_ANALOG) {
|
||||
parse_xtalk_param(dev, usbcss_hs->r5, &prop_val,
|
||||
"qcom,usbcss-hs-r5");
|
||||
usbcss_hs->r5 = prop_val;
|
||||
usbcss_hs->r_gnd_par_route1_mohms = usbcss_hs->r5 + usbcss_hs->r4;
|
||||
usbcss_hs->r_gnd_par_route2_mohms = 125;
|
||||
} else if (usbcss_hs->xtalk_config == XTALK_DIGITAL) {
|
||||
parse_xtalk_param(dev, usbcss_hs->r6, &prop_val,
|
||||
"qcom,usbcss-hs-r6");
|
||||
usbcss_hs->r6 = prop_val;
|
||||
usbcss_hs->r_gnd_par_route2_mohms = usbcss_hs->r6 + usbcss_hs->r4;
|
||||
parse_xtalk_param(dev, usbcss_hs->r_gnd_par_route1_mohms, &prop_val,
|
||||
"qcom,usbcss-hs-r7");
|
||||
usbcss_hs->r7 = prop_val;
|
||||
usbcss_hs->r_gnd_par_route1_mohms = prop_val;
|
||||
}
|
||||
|
||||
post_get_params:
|
||||
xtalk->r_gnd_res_tot_mohms = get_r_gnd_res_tot_mohms(xtalk->r_gnd_int_fet_mohms,
|
||||
xtalk->r_gnd_par_route1_mohms,
|
||||
xtalk->r_gnd_par_route2_mohms,
|
||||
xtalk->r_gnd_ext_fet_mohms,
|
||||
xtalk->r_conn_par_load_neg_mohms);
|
||||
xtalk->r_aud_res_tot_l_mohms = get_r_aud_res_tot_mohms(xtalk->r_aud_int_fet_l_mohms,
|
||||
xtalk->r_aud_ext_fet_l_mohms,
|
||||
xtalk->r_conn_par_load_pos_l_mohms);
|
||||
xtalk->r_aud_res_tot_r_mohms = get_r_aud_res_tot_mohms(xtalk->r_aud_int_fet_r_mohms,
|
||||
xtalk->r_aud_ext_fet_r_mohms,
|
||||
xtalk->r_conn_par_load_pos_r_mohms);
|
||||
/* Compute total resistances */
|
||||
usbcss_hs->r_gnd_par_tot_mohms = usbcss_hs->r_gnd_par_route1_mohms +
|
||||
usbcss_hs->r_gnd_par_route2_mohms;
|
||||
usbcss_hs->r_gnd_sbu1_res_tot_mohms = get_r_gnd_res_tot_mohms(
|
||||
usbcss_hs->r_gnd_sbu1_int_fet_mohms,
|
||||
usbcss_hs->r_gnd_ext_fet_mohms,
|
||||
usbcss_hs->r_gnd_par_tot_mohms);
|
||||
usbcss_hs->r_gnd_sbu2_res_tot_mohms = get_r_gnd_res_tot_mohms(
|
||||
usbcss_hs->r_gnd_sbu2_int_fet_mohms,
|
||||
usbcss_hs->r_gnd_ext_fet_mohms,
|
||||
usbcss_hs->r_gnd_par_tot_mohms);
|
||||
usbcss_hs->r_aud_res_tot_l_mohms = get_r_aud_res_tot_mohms(
|
||||
usbcss_hs->r_aud_int_fet_l_mohms,
|
||||
usbcss_hs->r_aud_ext_fet_l_mohms);
|
||||
usbcss_hs->r_aud_res_tot_r_mohms = get_r_aud_res_tot_mohms(
|
||||
usbcss_hs->r_aud_int_fet_r_mohms,
|
||||
usbcss_hs->r_aud_ext_fet_r_mohms);
|
||||
}
|
||||
|
||||
static int wcd939x_reset_low(struct device *dev)
|
||||
@@ -5093,7 +4938,7 @@ struct wcd939x_pdata *wcd939x_populate_dt_data(struct device *dev)
|
||||
pdata->tx_slave = of_parse_phandle(dev->of_node, "qcom,tx-slave", 0);
|
||||
|
||||
wcd939x_dt_parse_micbias_info(dev, &pdata->micbias);
|
||||
wcd939x_dt_parse_xtalk_info(dev, &pdata->xtalk);
|
||||
wcd939x_dt_parse_usbcss_hs_info(dev, &pdata->usbcss_hs);
|
||||
|
||||
return pdata;
|
||||
}
|
||||
|
Reference in New Issue
Block a user