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|
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* HD audio interface patch for Cirrus Logic CS8409 HDA bridge chip
*
* Copyright (C) 2021 Cirrus Logic, Inc. and
* Cirrus Logic International Semiconductor Ltd.
*/
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <sound/core.h>
#include <linux/mutex.h>
#include "patch_cs8409.h"
static int cs8409_parse_auto_config(struct hda_codec *codec)
{
struct cs8409_spec *spec = codec->spec;
int err;
int i;
err = snd_hda_parse_pin_defcfg(codec, &spec->gen.autocfg, NULL, 0);
if (err < 0)
return err;
err = snd_hda_gen_parse_auto_config(codec, &spec->gen.autocfg);
if (err < 0)
return err;
/* keep the ADCs powered up when it's dynamically switchable */
if (spec->gen.dyn_adc_switch) {
unsigned int done = 0;
for (i = 0; i < spec->gen.input_mux.num_items; i++) {
int idx = spec->gen.dyn_adc_idx[i];
if (done & (1 << idx))
continue;
snd_hda_gen_fix_pin_power(codec, spec->gen.adc_nids[idx]);
done |= 1 << idx;
}
}
return 0;
}
static struct cs8409_spec *cs8409_alloc_spec(struct hda_codec *codec)
{
struct cs8409_spec *spec;
spec = kzalloc(sizeof(*spec), GFP_KERNEL);
if (!spec)
return NULL;
codec->spec = spec;
codec->power_save_node = 1;
snd_hda_gen_spec_init(&spec->gen);
return spec;
}
static inline int cs8409_vendor_coef_get(struct hda_codec *codec, unsigned int idx)
{
snd_hda_codec_write(codec, CS8409_PIN_VENDOR_WIDGET, 0, AC_VERB_SET_COEF_INDEX, idx);
return snd_hda_codec_read(codec, CS8409_PIN_VENDOR_WIDGET, 0, AC_VERB_GET_PROC_COEF, 0);
}
static inline void cs8409_vendor_coef_set(struct hda_codec *codec, unsigned int idx,
unsigned int coef)
{
snd_hda_codec_write(codec, CS8409_PIN_VENDOR_WIDGET, 0, AC_VERB_SET_COEF_INDEX, idx);
snd_hda_codec_write(codec, CS8409_PIN_VENDOR_WIDGET, 0, AC_VERB_SET_PROC_COEF, coef);
}
/**
* cs8409_enable_i2c_clock - Enable I2C clocks
* @codec: the codec instance
* @enable: Enable or disable I2C clocks
*
* Enable or Disable I2C clocks.
*/
static void cs8409_enable_i2c_clock(struct hda_codec *codec, unsigned int enable)
{
unsigned int retval;
unsigned int newval;
retval = cs8409_vendor_coef_get(codec, 0x0);
newval = (enable) ? (retval | 0x8) : (retval & 0xfffffff7);
cs8409_vendor_coef_set(codec, 0x0, newval);
}
/**
* cs8409_i2c_wait_complete - Wait for I2C transaction
* @codec: the codec instance
*
* Wait for I2C transaction to complete.
* Return -1 if transaction wait times out.
*/
static int cs8409_i2c_wait_complete(struct hda_codec *codec)
{
int repeat = 5;
unsigned int retval;
do {
retval = cs8409_vendor_coef_get(codec, CS8409_I2C_STS);
if ((retval & 0x18) != 0x18) {
usleep_range(2000, 4000);
--repeat;
} else
return 0;
} while (repeat);
return -1;
}
/**
* cs8409_i2c_read - CS8409 I2C Read.
* @codec: the codec instance
* @i2c_address: I2C Address
* @i2c_reg: Register to read
* @paged: Is a paged transaction
*
* CS8409 I2C Read.
* Returns negative on error, otherwise returns read value in bits 0-7.
*/
static int cs8409_i2c_read(struct hda_codec *codec, unsigned int i2c_address, unsigned int i2c_reg,
unsigned int paged)
{
unsigned int i2c_reg_data;
unsigned int read_data;
cs8409_enable_i2c_clock(codec, 1);
cs8409_vendor_coef_set(codec, CS8409_I2C_ADDR, i2c_address);
if (paged) {
cs8409_vendor_coef_set(codec, CS8409_I2C_QWRITE, i2c_reg >> 8);
if (cs8409_i2c_wait_complete(codec) < 0) {
codec_err(codec, "%s() Paged Transaction Failed 0x%02x : 0x%04x\n",
__func__, i2c_address, i2c_reg);
return -EIO;
}
}
i2c_reg_data = (i2c_reg << 8) & 0x0ffff;
cs8409_vendor_coef_set(codec, CS8409_I2C_QREAD, i2c_reg_data);
if (cs8409_i2c_wait_complete(codec) < 0) {
codec_err(codec, "%s() Transaction Failed 0x%02x : 0x%04x\n",
__func__, i2c_address, i2c_reg);
return -EIO;
}
/* Register in bits 15-8 and the data in 7-0 */
read_data = cs8409_vendor_coef_get(codec, CS8409_I2C_QREAD);
cs8409_enable_i2c_clock(codec, 0);
return read_data & 0x0ff;
}
/**
* cs8409_i2c_write - CS8409 I2C Write.
* @codec: the codec instance
* @i2c_address: I2C Address
* @i2c_reg: Register to write to
* @i2c_data: Data to write
* @paged: Is a paged transaction
*
* CS8409 I2C Write.
* Returns negative on error, otherwise returns 0.
*/
static int cs8409_i2c_write(struct hda_codec *codec, unsigned int i2c_address, unsigned int i2c_reg,
unsigned int i2c_data, unsigned int paged)
{
unsigned int i2c_reg_data;
cs8409_enable_i2c_clock(codec, 1);
cs8409_vendor_coef_set(codec, CS8409_I2C_ADDR, i2c_address);
if (paged) {
cs8409_vendor_coef_set(codec, CS8409_I2C_QWRITE, i2c_reg >> 8);
if (cs8409_i2c_wait_complete(codec) < 0) {
codec_err(codec, "%s() Paged Transaction Failed 0x%02x : 0x%04x\n",
__func__, i2c_address, i2c_reg);
return -EIO;
}
}
i2c_reg_data = ((i2c_reg << 8) & 0x0ff00) | (i2c_data & 0x0ff);
cs8409_vendor_coef_set(codec, CS8409_I2C_QWRITE, i2c_reg_data);
if (cs8409_i2c_wait_complete(codec) < 0) {
codec_err(codec, "%s() Transaction Failed 0x%02x : 0x%04x\n",
__func__, i2c_address, i2c_reg);
return -EIO;
}
cs8409_enable_i2c_clock(codec, 0);
return 0;
}
static int cs8409_cs42l42_volume_info(struct snd_kcontrol *kctrl, struct snd_ctl_elem_info *uinfo)
{
u16 nid = get_amp_nid(kctrl);
u8 chs = get_amp_channels(kctrl);
switch (nid) {
case CS8409_CS42L42_HP_PIN_NID:
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = chs == 3 ? 2 : 1;
uinfo->value.integer.min = CS8409_CS42L42_HP_VOL_REAL_MIN;
uinfo->value.integer.max = CS8409_CS42L42_HP_VOL_REAL_MAX;
break;
case CS8409_CS42L42_AMIC_PIN_NID:
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = chs == 3 ? 2 : 1;
uinfo->value.integer.min = CS8409_CS42L42_AMIC_VOL_REAL_MIN;
uinfo->value.integer.max = CS8409_CS42L42_AMIC_VOL_REAL_MAX;
break;
default:
break;
}
return 0;
}
static void cs8409_cs42l42_update_volume(struct hda_codec *codec)
{
struct cs8409_spec *spec = codec->spec;
int data;
mutex_lock(&spec->cs8409_i2c_mux);
data = cs8409_i2c_read(codec, CS42L42_I2C_ADDR, CS8409_CS42L42_REG_HS_VOLUME_CHA, 1);
if (data >= 0)
spec->cs42l42_hp_volume[0] = -data;
else
spec->cs42l42_hp_volume[0] = CS8409_CS42L42_HP_VOL_REAL_MIN;
data = cs8409_i2c_read(codec, CS42L42_I2C_ADDR, CS8409_CS42L42_REG_HS_VOLUME_CHB, 1);
if (data >= 0)
spec->cs42l42_hp_volume[1] = -data;
else
spec->cs42l42_hp_volume[1] = CS8409_CS42L42_HP_VOL_REAL_MIN;
data = cs8409_i2c_read(codec, CS42L42_I2C_ADDR, CS8409_CS42L42_REG_AMIC_VOLUME, 1);
if (data >= 0)
spec->cs42l42_hs_mic_volume[0] = -data;
else
spec->cs42l42_hs_mic_volume[0] = CS8409_CS42L42_AMIC_VOL_REAL_MIN;
mutex_unlock(&spec->cs8409_i2c_mux);
spec->cs42l42_volume_init = 1;
}
static int cs8409_cs42l42_volume_get(struct snd_kcontrol *kctrl, struct snd_ctl_elem_value *uctrl)
{
struct hda_codec *codec = snd_kcontrol_chip(kctrl);
struct cs8409_spec *spec = codec->spec;
hda_nid_t nid = get_amp_nid(kctrl);
int chs = get_amp_channels(kctrl);
long *valp = uctrl->value.integer.value;
if (!spec->cs42l42_volume_init) {
snd_hda_power_up(codec);
cs8409_cs42l42_update_volume(codec);
snd_hda_power_down(codec);
}
switch (nid) {
case CS8409_CS42L42_HP_PIN_NID:
if (chs & BIT(0))
*valp++ = spec->cs42l42_hp_volume[0];
if (chs & BIT(1))
*valp++ = spec->cs42l42_hp_volume[1];
break;
case CS8409_CS42L42_AMIC_PIN_NID:
if (chs & BIT(0))
*valp++ = spec->cs42l42_hs_mic_volume[0];
break;
default:
break;
}
return 0;
}
static int cs8409_cs42l42_volume_put(struct snd_kcontrol *kctrl, struct snd_ctl_elem_value *uctrl)
{
struct hda_codec *codec = snd_kcontrol_chip(kctrl);
struct cs8409_spec *spec = codec->spec;
hda_nid_t nid = get_amp_nid(kctrl);
int chs = get_amp_channels(kctrl);
long *valp = uctrl->value.integer.value;
int change = 0;
char vol;
snd_hda_power_up(codec);
switch (nid) {
case CS8409_CS42L42_HP_PIN_NID:
mutex_lock(&spec->cs8409_i2c_mux);
if (chs & BIT(0)) {
vol = -(*valp);
change = cs8409_i2c_write(codec, CS42L42_I2C_ADDR,
CS8409_CS42L42_REG_HS_VOLUME_CHA, vol, 1);
valp++;
}
if (chs & BIT(1)) {
vol = -(*valp);
change |= cs8409_i2c_write(codec, CS42L42_I2C_ADDR,
CS8409_CS42L42_REG_HS_VOLUME_CHB, vol, 1);
}
mutex_unlock(&spec->cs8409_i2c_mux);
break;
case CS8409_CS42L42_AMIC_PIN_NID:
mutex_lock(&spec->cs8409_i2c_mux);
if (chs & BIT(0)) {
change = cs8409_i2c_write(codec, CS42L42_I2C_ADDR,
CS8409_CS42L42_REG_AMIC_VOLUME, (char)*valp, 1);
valp++;
}
mutex_unlock(&spec->cs8409_i2c_mux);
break;
default:
break;
}
cs8409_cs42l42_update_volume(codec);
snd_hda_power_down(codec);
return change;
}
static const DECLARE_TLV_DB_SCALE(cs8409_cs42l42_hp_db_scale,
CS8409_CS42L42_HP_VOL_REAL_MIN * 100, 100, 1);
static const DECLARE_TLV_DB_SCALE(cs8409_cs42l42_amic_db_scale,
CS8409_CS42L42_AMIC_VOL_REAL_MIN * 100, 100, 1);
static const struct snd_kcontrol_new cs8409_cs42l42_hp_volume_mixer = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.index = 0,
.name = "Headphone Playback Volume",
.subdevice = (HDA_SUBDEV_AMP_FLAG | HDA_SUBDEV_NID_FLAG),
.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ),
.info = cs8409_cs42l42_volume_info,
.get = cs8409_cs42l42_volume_get,
.put = cs8409_cs42l42_volume_put,
.tlv = { .p = cs8409_cs42l42_hp_db_scale },
.private_value = HDA_COMPOSE_AMP_VAL(CS8409_CS42L42_HP_PIN_NID, 3, 0, HDA_OUTPUT) |
HDA_AMP_VAL_MIN_MUTE
};
static const struct snd_kcontrol_new cs8409_cs42l42_amic_volume_mixer = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.index = 0,
.name = "Mic Capture Volume",
.subdevice = (HDA_SUBDEV_AMP_FLAG | HDA_SUBDEV_NID_FLAG),
.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ),
.info = cs8409_cs42l42_volume_info,
.get = cs8409_cs42l42_volume_get,
.put = cs8409_cs42l42_volume_put,
.tlv = { .p = cs8409_cs42l42_amic_db_scale },
.private_value = HDA_COMPOSE_AMP_VAL(CS8409_CS42L42_AMIC_PIN_NID, 1, 0, HDA_INPUT) |
HDA_AMP_VAL_MIN_MUTE
};
/* Assert/release RTS# line to CS42L42 */
static void cs8409_cs42l42_reset(struct hda_codec *codec)
{
struct cs8409_spec *spec = codec->spec;
/* Assert RTS# line */
snd_hda_codec_write(codec, CS8409_PIN_AFG, 0, AC_VERB_SET_GPIO_DATA, 0);
/* wait ~10ms */
usleep_range(10000, 15000);
/* Release RTS# line */
snd_hda_codec_write(codec, CS8409_PIN_AFG, 0, AC_VERB_SET_GPIO_DATA, CS8409_CS42L42_RESET);
/* wait ~10ms */
usleep_range(10000, 15000);
mutex_lock(&spec->cs8409_i2c_mux);
/* Clear interrupts, by reading interrupt status registers */
cs8409_i2c_read(codec, CS42L42_I2C_ADDR, 0x1308, 1);
cs8409_i2c_read(codec, CS42L42_I2C_ADDR, 0x1309, 1);
cs8409_i2c_read(codec, CS42L42_I2C_ADDR, 0x130A, 1);
cs8409_i2c_read(codec, CS42L42_I2C_ADDR, 0x130F, 1);
mutex_unlock(&spec->cs8409_i2c_mux);
}
/* Configure CS42L42 slave codec for jack autodetect */
static void cs8409_cs42l42_enable_jack_detect(struct hda_codec *codec)
{
struct cs8409_spec *spec = codec->spec;
mutex_lock(&spec->cs8409_i2c_mux);
/* Set TIP_SENSE_EN for analog front-end of tip sense.
* Additionally set HSBIAS_SENSE_EN for some variants.
*/
if (codec->fixup_id == CS8409_WARLOCK || codec->fixup_id == CS8409_BULLSEYE)
cs8409_i2c_write(codec, CS42L42_I2C_ADDR, 0x1b70, 0x0020, 1);
else
cs8409_i2c_write(codec, CS42L42_I2C_ADDR, 0x1b70, 0x00a0, 1);
/* Clear WAKE# */
cs8409_i2c_write(codec, CS42L42_I2C_ADDR, 0x1b71, 0x0001, 1);
/* Wait ~2.5ms */
usleep_range(2500, 3000);
/* Set mode WAKE# output follows the combination logic directly */
cs8409_i2c_write(codec, CS42L42_I2C_ADDR, 0x1b71, 0x0020, 1);
/* Clear interrupts status */
cs8409_i2c_read(codec, CS42L42_I2C_ADDR, 0x130f, 1);
cs8409_i2c_read(codec, CS42L42_I2C_ADDR, 0x1b7b, 1);
/* Enable interrupt */
cs8409_i2c_write(codec, CS42L42_I2C_ADDR, 0x1320, 0x03, 1);
cs8409_i2c_write(codec, CS42L42_I2C_ADDR, 0x1b79, 0x00, 1);
mutex_unlock(&spec->cs8409_i2c_mux);
}
/* Enable and run CS42L42 slave codec jack auto detect */
static void cs8409_cs42l42_run_jack_detect(struct hda_codec *codec)
{
struct cs8409_spec *spec = codec->spec;
mutex_lock(&spec->cs8409_i2c_mux);
/* Clear interrupts */
cs8409_i2c_read(codec, CS42L42_I2C_ADDR, 0x1308, 1);
cs8409_i2c_read(codec, CS42L42_I2C_ADDR, 0x1b77, 1);
cs8409_i2c_write(codec, CS42L42_I2C_ADDR, 0x1102, 0x87, 1);
cs8409_i2c_write(codec, CS42L42_I2C_ADDR, 0x1f06, 0x86, 1);
cs8409_i2c_write(codec, CS42L42_I2C_ADDR, 0x1b74, 0x07, 1);
cs8409_i2c_write(codec, CS42L42_I2C_ADDR, 0x131b, 0x01, 1);
cs8409_i2c_write(codec, CS42L42_I2C_ADDR, 0x1120, 0x80, 1);
/* Wait ~110ms*/
usleep_range(110000, 200000);
cs8409_i2c_write(codec, CS42L42_I2C_ADDR, 0x111f, 0x77, 1);
cs8409_i2c_write(codec, CS42L42_I2C_ADDR, 0x1120, 0xc0, 1);
/* Wait ~10ms */
usleep_range(10000, 25000);
mutex_unlock(&spec->cs8409_i2c_mux);
}
static void cs8409_cs42l42_reg_setup(struct hda_codec *codec)
{
const struct cs8409_i2c_param *seq = cs42l42_init_reg_seq;
struct cs8409_spec *spec = codec->spec;
mutex_lock(&spec->cs8409_i2c_mux);
for (; seq->addr; seq++)
cs8409_i2c_write(codec, CS42L42_I2C_ADDR, seq->addr, seq->reg, 1);
mutex_unlock(&spec->cs8409_i2c_mux);
}
/*
* In the case of CS8409 we do not have unsolicited events from NID's 0x24
* and 0x34 where hs mic and hp are connected. Companion codec CS42L42 will
* generate interrupt via gpio 4 to notify jack events. We have to overwrite
* generic snd_hda_jack_unsol_event(), read CS42L42 jack detect status registers
* and then notify status via generic snd_hda_jack_unsol_event() call.
*/
static void cs8409_jack_unsol_event(struct hda_codec *codec, unsigned int res)
{
struct cs8409_spec *spec = codec->spec;
int status_changed = 0;
int reg_cdc_status;
int reg_hs_status;
int reg_ts_status;
int type;
struct hda_jack_tbl *jk;
/* jack_unsol_event() will be called every time gpio line changing state.
* In this case gpio4 line goes up as a result of reading interrupt status
* registers in previous cs8409_jack_unsol_event() call.
* We don't need to handle this event, ignoring...
*/
if (res & CS8409_CS42L42_INT)
return;
mutex_lock(&spec->cs8409_i2c_mux);
/* Read jack detect status registers */
reg_cdc_status = cs8409_i2c_read(codec, CS42L42_I2C_ADDR, 0x1308, 1);
reg_hs_status = cs8409_i2c_read(codec, CS42L42_I2C_ADDR, 0x1124, 1);
reg_ts_status = cs8409_i2c_read(codec, CS42L42_I2C_ADDR, 0x130f, 1);
/* Clear interrupts, by reading interrupt status registers */
cs8409_i2c_read(codec, CS42L42_I2C_ADDR, 0x1b7b, 1);
mutex_unlock(&spec->cs8409_i2c_mux);
/* If status values are < 0, read error has occurred. */
if (reg_cdc_status < 0 || reg_hs_status < 0 || reg_ts_status < 0)
return;
/* HSDET_AUTO_DONE */
if (reg_cdc_status & CS42L42_HSDET_AUTO_DONE) {
type = ((reg_hs_status & CS42L42_HSTYPE_MASK) + 1);
/* CS42L42 reports optical jack as type 4
* We don't handle optical jack
*/
if (type != 4) {
if (!spec->cs42l42_hp_jack_in) {
status_changed = 1;
spec->cs42l42_hp_jack_in = 1;
}
/* type = 3 has no mic */
if ((!spec->cs42l42_mic_jack_in) && (type != 3)) {
status_changed = 1;
spec->cs42l42_mic_jack_in = 1;
}
} else {
if (spec->cs42l42_hp_jack_in || spec->cs42l42_mic_jack_in) {
status_changed = 1;
spec->cs42l42_hp_jack_in = 0;
spec->cs42l42_mic_jack_in = 0;
}
}
} else {
/* TIP_SENSE INSERT/REMOVE */
switch (reg_ts_status) {
case CS42L42_JACK_INSERTED:
cs8409_cs42l42_run_jack_detect(codec);
break;
case CS42L42_JACK_REMOVED:
if (spec->cs42l42_hp_jack_in || spec->cs42l42_mic_jack_in) {
status_changed = 1;
spec->cs42l42_hp_jack_in = 0;
spec->cs42l42_mic_jack_in = 0;
}
break;
default:
/* jack in transition */
status_changed = 0;
break;
}
}
if (status_changed) {
snd_hda_set_pin_ctl(codec, CS8409_CS42L42_SPK_PIN_NID,
spec->cs42l42_hp_jack_in ? 0 : PIN_OUT);
/* Report jack*/
jk = snd_hda_jack_tbl_get_mst(codec, CS8409_CS42L42_HP_PIN_NID, 0);
if (jk) {
snd_hda_jack_unsol_event(codec, (jk->tag << AC_UNSOL_RES_TAG_SHIFT) &
AC_UNSOL_RES_TAG);
}
/* Report jack*/
jk = snd_hda_jack_tbl_get_mst(codec, CS8409_CS42L42_AMIC_PIN_NID, 0);
if (jk) {
snd_hda_jack_unsol_event(codec, (jk->tag << AC_UNSOL_RES_TAG_SHIFT) &
AC_UNSOL_RES_TAG);
}
}
}
/* Enable/Disable Unsolicited Response for gpio(s) 3,4 */
static void cs8409_enable_ur(struct hda_codec *codec, int flag)
{
/* GPIO4 INT# and GPIO3 WAKE# */
snd_hda_codec_write(codec, CS8409_PIN_AFG, 0, AC_VERB_SET_GPIO_UNSOLICITED_RSP_MASK,
flag ? CS8409_CS42L42_INT : 0);
snd_hda_codec_write(codec, CS8409_PIN_AFG, 0, AC_VERB_SET_UNSOLICITED_ENABLE,
flag ? AC_UNSOL_ENABLED : 0);
}
#ifdef CONFIG_PM
/* Manage PDREF, when transition to D3hot */
static int cs8409_suspend(struct hda_codec *codec)
{
struct cs8409_spec *spec = codec->spec;
cs8409_enable_ur(codec, 0);
mutex_lock(&spec->cs8409_i2c_mux);
/* Power down CS42L42 ASP/EQ/MIX/HP */
cs8409_i2c_write(codec, CS42L42_I2C_ADDR, 0x1101, 0xfe, 1);
mutex_unlock(&spec->cs8409_i2c_mux);
/* Assert CS42L42 RTS# line */
snd_hda_codec_write(codec, CS8409_PIN_AFG, 0, AC_VERB_SET_GPIO_DATA, 0);
snd_hda_shutup_pins(codec);
return 0;
}
#endif
/* Vendor specific HW configuration
* PLL, ASP, I2C, SPI, GPIOs, DMIC etc...
*/
static void cs8409_cs42l42_hw_init(struct hda_codec *codec)
{
const struct cs8409_cir_param *seq = cs8409_cs42l42_hw_cfg;
const struct cs8409_cir_param *seq_bullseye = cs8409_cs42l42_bullseye_atn;
struct cs8409_spec *spec = codec->spec;
if (spec->gpio_mask) {
snd_hda_codec_write(codec, CS8409_PIN_AFG, 0, AC_VERB_SET_GPIO_MASK,
spec->gpio_mask);
snd_hda_codec_write(codec, CS8409_PIN_AFG, 0, AC_VERB_SET_GPIO_DIRECTION,
spec->gpio_dir);
snd_hda_codec_write(codec, CS8409_PIN_AFG, 0, AC_VERB_SET_GPIO_DATA,
spec->gpio_data);
}
for (; seq->nid; seq++)
cs8409_vendor_coef_set(codec, seq->cir, seq->coeff);
if (codec->fixup_id == CS8409_BULLSEYE)
for (; seq_bullseye->nid; seq_bullseye++)
cs8409_vendor_coef_set(codec, seq_bullseye->cir, seq_bullseye->coeff);
/* Disable Unsolicited Response during boot */
cs8409_enable_ur(codec, 0);
/* Reset CS42L42 */
cs8409_cs42l42_reset(codec);
/* Initialise CS42L42 companion codec */
cs8409_cs42l42_reg_setup(codec);
if (codec->fixup_id == CS8409_WARLOCK || codec->fixup_id == CS8409_CYBORG) {
/* FULL_SCALE_VOL = 0 for Warlock / Cyborg */
mutex_lock(&spec->cs8409_i2c_mux);
cs8409_i2c_write(codec, CS42L42_I2C_ADDR, 0x2001, 0x01, 1);
mutex_unlock(&spec->cs8409_i2c_mux);
/* DMIC1_MO=00b, DMIC1/2_SR=1 */
cs8409_vendor_coef_set(codec, 0x09, 0x0003);
}
/* Restore Volumes after Resume */
if (spec->cs42l42_volume_init) {
mutex_lock(&spec->cs8409_i2c_mux);
cs8409_i2c_write(codec, CS42L42_I2C_ADDR, CS8409_CS42L42_REG_HS_VOLUME_CHA,
-spec->cs42l42_hp_volume[0], 1);
cs8409_i2c_write(codec, CS42L42_I2C_ADDR, CS8409_CS42L42_REG_HS_VOLUME_CHB,
-spec->cs42l42_hp_volume[1], 1);
cs8409_i2c_write(codec, CS42L42_I2C_ADDR, CS8409_CS42L42_REG_AMIC_VOLUME,
spec->cs42l42_hs_mic_volume[0], 1);
mutex_unlock(&spec->cs8409_i2c_mux);
}
cs8409_cs42l42_update_volume(codec);
cs8409_cs42l42_enable_jack_detect(codec);
/* Enable Unsolicited Response */
cs8409_enable_ur(codec, 1);
}
static int cs8409_cs42l42_init(struct hda_codec *codec)
{
int ret = snd_hda_gen_init(codec);
if (!ret)
snd_hda_apply_fixup(codec, HDA_FIXUP_ACT_INIT);
return ret;
}
static int cs8409_build_controls(struct hda_codec *codec)
{
int err;
err = snd_hda_gen_build_controls(codec);
if (err < 0)
return err;
snd_hda_apply_fixup(codec, HDA_FIXUP_ACT_BUILD);
return 0;
}
static const struct hda_codec_ops cs8409_cs42l42_patch_ops = {
.build_controls = cs8409_build_controls,
.build_pcms = snd_hda_gen_build_pcms,
.init = cs8409_cs42l42_init,
.free = snd_hda_gen_free,
.unsol_event = cs8409_jack_unsol_event,
#ifdef CONFIG_PM
.suspend = cs8409_suspend,
#endif
};
static int cs8409_cs42l42_exec_verb(struct hdac_device *dev, unsigned int cmd, unsigned int flags,
unsigned int *res)
{
struct hda_codec *codec = container_of(dev, struct hda_codec, core);
struct cs8409_spec *spec = codec->spec;
unsigned int nid = ((cmd >> 20) & 0x07f);
unsigned int verb = ((cmd >> 8) & 0x0fff);
/* CS8409 pins have no AC_PINSENSE_PRESENCE
* capabilities. We have to intercept 2 calls for pins 0x24 and 0x34
* and return correct pin sense values for read_pin_sense() call from
* hda_jack based on CS42L42 jack detect status.
*/
switch (nid) {
case CS8409_CS42L42_HP_PIN_NID:
if (verb == AC_VERB_GET_PIN_SENSE) {
*res = (spec->cs42l42_hp_jack_in) ? AC_PINSENSE_PRESENCE : 0;
return 0;
}
break;
case CS8409_CS42L42_AMIC_PIN_NID:
if (verb == AC_VERB_GET_PIN_SENSE) {
*res = (spec->cs42l42_mic_jack_in) ? AC_PINSENSE_PRESENCE : 0;
return 0;
}
break;
default:
break;
}
return spec->exec_verb(dev, cmd, flags, res);
}
void cs8409_cs42l42_fixups(struct hda_codec *codec, const struct hda_fixup *fix, int action)
{
struct cs8409_spec *spec = codec->spec;
int caps;
switch (action) {
case HDA_FIXUP_ACT_PRE_PROBE:
snd_hda_add_verbs(codec, cs8409_cs42l42_init_verbs);
/* verb exec op override */
spec->exec_verb = codec->core.exec_verb;
codec->core.exec_verb = cs8409_cs42l42_exec_verb;
mutex_init(&spec->cs8409_i2c_mux);
codec->patch_ops = cs8409_cs42l42_patch_ops;
spec->gen.suppress_auto_mute = 1;
spec->gen.no_primary_hp = 1;
spec->gen.suppress_vmaster = 1;
/* GPIO 5 out, 3,4 in */
spec->gpio_dir = CS8409_CS42L42_RESET;
spec->gpio_data = 0;
spec->gpio_mask = 0x03f;
spec->cs42l42_hp_jack_in = 0;
spec->cs42l42_mic_jack_in = 0;
/* Basic initial sequence for specific hw configuration */
snd_hda_sequence_write(codec, cs8409_cs42l42_init_verbs);
/* CS8409 is simple HDA bridge and intended to be used with a remote
* companion codec. Most of input/output PIN(s) have only basic
* capabilities. NID(s) 0x24 and 0x34 have only OUTC and INC
* capabilities and no presence detect capable (PDC) and call to
* snd_hda_gen_build_controls() will mark them as non detectable
* phantom jacks. However, in this configuration companion codec
* CS42L42 is connected to these pins and it has jack detect
* capabilities. We have to override pin capabilities,
* otherwise they will not be created as input devices.
*/
caps = snd_hdac_read_parm(&codec->core, CS8409_CS42L42_HP_PIN_NID,
AC_PAR_PIN_CAP);
if (caps >= 0)
snd_hdac_override_parm(&codec->core,
CS8409_CS42L42_HP_PIN_NID, AC_PAR_PIN_CAP,
(caps | (AC_PINCAP_IMP_SENSE | AC_PINCAP_PRES_DETECT)));
caps = snd_hdac_read_parm(&codec->core, CS8409_CS42L42_AMIC_PIN_NID,
AC_PAR_PIN_CAP);
if (caps >= 0)
snd_hdac_override_parm(&codec->core,
CS8409_CS42L42_AMIC_PIN_NID, AC_PAR_PIN_CAP,
(caps | (AC_PINCAP_IMP_SENSE | AC_PINCAP_PRES_DETECT)));
snd_hda_override_wcaps(codec, CS8409_CS42L42_HP_PIN_NID,
(get_wcaps(codec, CS8409_CS42L42_HP_PIN_NID) | AC_WCAP_UNSOL_CAP));
snd_hda_override_wcaps(codec, CS8409_CS42L42_AMIC_PIN_NID,
(get_wcaps(codec, CS8409_CS42L42_AMIC_PIN_NID) | AC_WCAP_UNSOL_CAP));
break;
case HDA_FIXUP_ACT_PROBE:
/* Set initial DMIC volume to -26 dB */
snd_hda_codec_amp_init_stereo(codec, CS8409_CS42L42_DMIC_ADC_PIN_NID,
HDA_INPUT, 0, 0xff, 0x19);
snd_hda_gen_add_kctl(&spec->gen, NULL, &cs8409_cs42l42_hp_volume_mixer);
snd_hda_gen_add_kctl(&spec->gen, NULL, &cs8409_cs42l42_amic_volume_mixer);
cs8409_cs42l42_hw_init(codec);
snd_hda_codec_set_name(codec, "CS8409/CS42L42");
break;
case HDA_FIXUP_ACT_INIT:
cs8409_cs42l42_hw_init(codec);
fallthrough;
case HDA_FIXUP_ACT_BUILD:
/* Run jack auto detect first time on boot
* after controls have been added, to check if jack has
* been already plugged in.
* Run immediately after init.
*/
cs8409_cs42l42_run_jack_detect(codec);
usleep_range(100000, 150000);
break;
default:
break;
}
}
static int patch_cs8409(struct hda_codec *codec)
{
int err;
if (!cs8409_alloc_spec(codec))
return -ENOMEM;
snd_hda_pick_fixup(codec, cs8409_models, cs8409_fixup_tbl, cs8409_fixups);
codec_dbg(codec, "Picked ID=%d, VID=%08x, DEV=%08x\n", codec->fixup_id,
codec->bus->pci->subsystem_vendor,
codec->bus->pci->subsystem_device);
snd_hda_apply_fixup(codec, HDA_FIXUP_ACT_PRE_PROBE);
err = cs8409_parse_auto_config(codec);
if (err < 0) {
snd_hda_gen_free(codec);
return err;
}
snd_hda_apply_fixup(codec, HDA_FIXUP_ACT_PROBE);
return 0;
}
static const struct hda_device_id snd_hda_id_cs8409[] = {
HDA_CODEC_ENTRY(0x10138409, "CS8409", patch_cs8409),
{} /* terminator */
};
MODULE_DEVICE_TABLE(hdaudio, snd_hda_id_cs8409);
static struct hda_codec_driver cs8409_driver = {
.id = snd_hda_id_cs8409,
};
module_hda_codec_driver(cs8409_driver);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Cirrus Logic HDA bridge");
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