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Diffstat (limited to 'sound/soc/codecs/twl4030.c')
-rw-r--r--sound/soc/codecs/twl4030.c211
1 files changed, 93 insertions, 118 deletions
diff --git a/sound/soc/codecs/twl4030.c b/sound/soc/codecs/twl4030.c
index 25b752caf95e..9476cdfd4dde 100644
--- a/sound/soc/codecs/twl4030.c
+++ b/sound/soc/codecs/twl4030.c
@@ -1,46 +1,29 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* ALSA SoC TWL4030 codec driver
*
* Author: Steve Sakoman, <steve@sakoman.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
- * 02110-1301 USA
- *
*/
+#include <linux/delay.h>
+#include <linux/gpio/consumer.h>
+#include <linux/i2c.h>
+#include <linux/init.h>
+#include <linux/mfd/twl.h>
+#include <linux/mfd/twl4030-audio.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
-#include <linux/init.h>
-#include <linux/delay.h>
+#include <linux/of.h>
#include <linux/pm.h>
-#include <linux/i2c.h>
#include <linux/platform_device.h>
-#include <linux/of.h>
-#include <linux/of_gpio.h>
-#include <linux/mfd/twl.h>
#include <linux/slab.h>
-#include <linux/gpio.h>
#include <sound/core.h>
+#include <sound/initval.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
-#include <sound/initval.h>
#include <sound/tlv.h>
-/* Register descriptions are here */
-#include <linux/mfd/twl4030-audio.h>
-
/* TWL4030 PMBR1 Register */
#define TWL4030_PMBR1_REG 0x0D
/* TWL4030 PMBR1 Register GPIO6 mux bits */
@@ -48,6 +31,14 @@
#define TWL4030_CACHEREGNUM (TWL4030_REG_MISC_SET_2 + 1)
+struct twl4030_board_params {
+ unsigned int digimic_delay; /* in ms */
+ unsigned int ramp_delay_value;
+ unsigned int offset_cncl_path;
+ unsigned int hs_extmute:1;
+ struct gpio_desc *hs_extmute_gpio;
+};
+
/* codec private data */
struct twl4030_priv {
unsigned int codec_powered;
@@ -72,7 +63,7 @@ struct twl4030_priv {
u8 carkitl_enabled, carkitr_enabled;
u8 ctl_cache[TWL4030_REG_PRECKR_CTL - TWL4030_REG_EAR_CTL + 1];
- struct twl4030_codec_data *pdata;
+ struct twl4030_board_params *board_params;
};
static void tw4030_init_ctl_cache(struct twl4030_priv *twl4030)
@@ -207,77 +198,70 @@ static void twl4030_codec_enable(struct snd_soc_component *component, int enable
udelay(10);
}
-static void twl4030_setup_pdata_of(struct twl4030_codec_data *pdata,
- struct device_node *node)
+static void
+twl4030_get_board_param_values(struct twl4030_board_params *board_params,
+ struct device_node *node)
{
int value;
- of_property_read_u32(node, "ti,digimic_delay",
- &pdata->digimic_delay);
- of_property_read_u32(node, "ti,ramp_delay_value",
- &pdata->ramp_delay_value);
- of_property_read_u32(node, "ti,offset_cncl_path",
- &pdata->offset_cncl_path);
+ of_property_read_u32(node, "ti,digimic_delay", &board_params->digimic_delay);
+ of_property_read_u32(node, "ti,ramp_delay_value", &board_params->ramp_delay_value);
+ of_property_read_u32(node, "ti,offset_cncl_path", &board_params->offset_cncl_path);
if (!of_property_read_u32(node, "ti,hs_extmute", &value))
- pdata->hs_extmute = value;
+ board_params->hs_extmute = value;
- pdata->hs_extmute_gpio = of_get_named_gpio(node,
- "ti,hs_extmute_gpio", 0);
- if (gpio_is_valid(pdata->hs_extmute_gpio))
- pdata->hs_extmute = 1;
+ if (of_property_present(node, "ti,hs_extmute_gpio"))
+ board_params->hs_extmute = 1;
}
-static struct twl4030_codec_data *twl4030_get_pdata(struct snd_soc_component *component)
+static struct twl4030_board_params*
+twl4030_get_board_params(struct snd_soc_component *component)
{
- struct twl4030_codec_data *pdata = dev_get_platdata(component->dev);
+ struct twl4030_board_params *board_params = NULL;
struct device_node *twl4030_codec_node = NULL;
twl4030_codec_node = of_get_child_by_name(component->dev->parent->of_node,
"codec");
- if (!pdata && twl4030_codec_node) {
- pdata = devm_kzalloc(component->dev,
- sizeof(struct twl4030_codec_data),
- GFP_KERNEL);
- if (!pdata) {
+ if (twl4030_codec_node) {
+ board_params = devm_kzalloc(component->dev,
+ sizeof(struct twl4030_board_params),
+ GFP_KERNEL);
+ if (!board_params) {
of_node_put(twl4030_codec_node);
return NULL;
}
- twl4030_setup_pdata_of(pdata, twl4030_codec_node);
+ twl4030_get_board_param_values(board_params, twl4030_codec_node);
of_node_put(twl4030_codec_node);
}
- return pdata;
+ return board_params;
}
-static void twl4030_init_chip(struct snd_soc_component *component)
+static int twl4030_init_chip(struct snd_soc_component *component)
{
- struct twl4030_codec_data *pdata;
+ struct twl4030_board_params *board_params;
struct twl4030_priv *twl4030 = snd_soc_component_get_drvdata(component);
u8 reg, byte;
int i = 0;
- pdata = twl4030_get_pdata(component);
+ board_params = twl4030_get_board_params(component);
- if (pdata && pdata->hs_extmute) {
- if (gpio_is_valid(pdata->hs_extmute_gpio)) {
- int ret;
+ if (board_params && board_params->hs_extmute) {
+ board_params->hs_extmute_gpio = devm_gpiod_get_optional(component->dev,
+ "ti,hs_extmute",
+ GPIOD_OUT_LOW);
+ if (IS_ERR(board_params->hs_extmute_gpio))
+ return dev_err_probe(component->dev, PTR_ERR(board_params->hs_extmute_gpio),
+ "Failed to get hs_extmute GPIO\n");
- if (!pdata->hs_extmute_gpio)
- dev_warn(component->dev,
- "Extmute GPIO is 0 is this correct?\n");
-
- ret = gpio_request_one(pdata->hs_extmute_gpio,
- GPIOF_OUT_INIT_LOW,
- "hs_extmute");
- if (ret) {
- dev_err(component->dev,
- "Failed to get hs_extmute GPIO\n");
- pdata->hs_extmute_gpio = -1;
- }
+ if (board_params->hs_extmute_gpio) {
+ gpiod_set_consumer_name(board_params->hs_extmute_gpio, "hs_extmute");
} else {
u8 pin_mux;
+ dev_info(component->dev, "use TWL4030 GPIO6\n");
+
/* Set TWL4030 GPIO6 as EXTMUTE signal */
twl_i2c_read_u8(TWL4030_MODULE_INTBR, &pin_mux,
TWL4030_PMBR1_REG);
@@ -304,14 +288,14 @@ static void twl4030_init_chip(struct snd_soc_component *component)
twl4030_write(component, TWL4030_REG_ARXR2_APGA_CTL, 0x32);
/* Machine dependent setup */
- if (!pdata)
- return;
+ if (!board_params)
+ return 0;
- twl4030->pdata = pdata;
+ twl4030->board_params = board_params;
reg = twl4030_read(component, TWL4030_REG_HS_POPN_SET);
reg &= ~TWL4030_RAMP_DELAY;
- reg |= (pdata->ramp_delay_value << 2);
+ reg |= (board_params->ramp_delay_value << 2);
twl4030_write(component, TWL4030_REG_HS_POPN_SET, reg);
/* initiate offset cancellation */
@@ -319,7 +303,7 @@ static void twl4030_init_chip(struct snd_soc_component *component)
reg = twl4030_read(component, TWL4030_REG_ANAMICL);
reg &= ~TWL4030_OFFSET_CNCL_SEL;
- reg |= pdata->offset_cncl_path;
+ reg |= board_params->offset_cncl_path;
twl4030_write(component, TWL4030_REG_ANAMICL,
reg | TWL4030_CNCL_OFFSET_START);
@@ -340,6 +324,8 @@ static void twl4030_init_chip(struct snd_soc_component *component)
TWL4030_CNCL_OFFSET_START));
twl4030_codec_enable(component, 0);
+
+ return 0;
}
static void twl4030_apll_enable(struct snd_soc_component *component, int enable)
@@ -563,7 +549,7 @@ static const struct snd_kcontrol_new twl4030_dapm_dbypassv_control =
* On unmute: restore the register content from the reg_cache
* Outputs handled in this way: Earpiece, PreDrivL/R, CarkitL/R
*/
-#define TWL4030_OUTPUT_PGA(pin_name, reg, mask) \
+#define TWL4030_OUTPUT_PGA(pin_name, reg) \
static int pin_name##pga_event(struct snd_soc_dapm_widget *w, \
struct snd_kcontrol *kcontrol, int event) \
{ \
@@ -583,11 +569,11 @@ static int pin_name##pga_event(struct snd_soc_dapm_widget *w, \
return 0; \
}
-TWL4030_OUTPUT_PGA(earpiece, TWL4030_REG_EAR_CTL, TWL4030_EAR_GAIN);
-TWL4030_OUTPUT_PGA(predrivel, TWL4030_REG_PREDL_CTL, TWL4030_PREDL_GAIN);
-TWL4030_OUTPUT_PGA(predriver, TWL4030_REG_PREDR_CTL, TWL4030_PREDR_GAIN);
-TWL4030_OUTPUT_PGA(carkitl, TWL4030_REG_PRECKL_CTL, TWL4030_PRECKL_GAIN);
-TWL4030_OUTPUT_PGA(carkitr, TWL4030_REG_PRECKR_CTL, TWL4030_PRECKR_GAIN);
+TWL4030_OUTPUT_PGA(earpiece, TWL4030_REG_EAR_CTL);
+TWL4030_OUTPUT_PGA(predrivel, TWL4030_REG_PREDL_CTL);
+TWL4030_OUTPUT_PGA(predriver, TWL4030_REG_PREDR_CTL);
+TWL4030_OUTPUT_PGA(carkitl, TWL4030_REG_PRECKL_CTL);
+TWL4030_OUTPUT_PGA(carkitr, TWL4030_REG_PRECKR_CTL);
static void handsfree_ramp(struct snd_soc_component *component, int reg, int ramp)
{
@@ -706,10 +692,12 @@ static void headset_ramp(struct snd_soc_component *component, int ramp)
{
unsigned char hs_gain, hs_pop;
struct twl4030_priv *twl4030 = snd_soc_component_get_drvdata(component);
- struct twl4030_codec_data *pdata = twl4030->pdata;
+ struct twl4030_board_params *board_params = twl4030->board_params;
/* Base values for ramp delay calculation: 2^19 - 2^26 */
- unsigned int ramp_base[] = {524288, 1048576, 2097152, 4194304,
- 8388608, 16777216, 33554432, 67108864};
+ static const unsigned int ramp_base[] = {
+ 524288, 1048576, 2097152, 4194304,
+ 8388608, 16777216, 33554432, 67108864
+ };
unsigned int delay;
hs_gain = twl4030_read(component, TWL4030_REG_HS_GAIN_SET);
@@ -719,9 +707,9 @@ static void headset_ramp(struct snd_soc_component *component, int ramp)
/* Enable external mute control, this dramatically reduces
* the pop-noise */
- if (pdata && pdata->hs_extmute) {
- if (gpio_is_valid(pdata->hs_extmute_gpio)) {
- gpio_set_value(pdata->hs_extmute_gpio, 1);
+ if (board_params && board_params->hs_extmute) {
+ if (board_params->hs_extmute_gpio) {
+ gpiod_set_value(board_params->hs_extmute_gpio, 1);
} else {
hs_pop |= TWL4030_EXTMUTE;
twl4030_write(component, TWL4030_REG_HS_POPN_SET, hs_pop);
@@ -755,9 +743,9 @@ static void headset_ramp(struct snd_soc_component *component, int ramp)
}
/* Disable external mute */
- if (pdata && pdata->hs_extmute) {
- if (gpio_is_valid(pdata->hs_extmute_gpio)) {
- gpio_set_value(pdata->hs_extmute_gpio, 0);
+ if (board_params && board_params->hs_extmute) {
+ if (board_params->hs_extmute_gpio) {
+ gpiod_set_value(board_params->hs_extmute_gpio, 0);
} else {
hs_pop &= ~TWL4030_EXTMUTE;
twl4030_write(component, TWL4030_REG_HS_POPN_SET, hs_pop);
@@ -820,10 +808,10 @@ static int digimic_event(struct snd_soc_dapm_widget *w,
{
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
struct twl4030_priv *twl4030 = snd_soc_component_get_drvdata(component);
- struct twl4030_codec_data *pdata = twl4030->pdata;
+ struct twl4030_board_params *board_params = twl4030->board_params;
- if (pdata && pdata->digimic_delay)
- twl4030_wait_ms(pdata->digimic_delay);
+ if (board_params && board_params->digimic_delay)
+ twl4030_wait_ms(board_params->digimic_delay);
return 0;
}
@@ -842,7 +830,7 @@ static int snd_soc_get_volsw_twl4030(struct snd_kcontrol *kcontrol,
{
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
- struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+ struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
unsigned int reg = mc->reg;
unsigned int shift = mc->shift;
unsigned int rshift = mc->rshift;
@@ -871,7 +859,7 @@ static int snd_soc_put_volsw_twl4030(struct snd_kcontrol *kcontrol,
{
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
- struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+ struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
unsigned int reg = mc->reg;
unsigned int shift = mc->shift;
unsigned int rshift = mc->rshift;
@@ -900,7 +888,7 @@ static int snd_soc_get_volsw_r2_twl4030(struct snd_kcontrol *kcontrol,
{
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
- struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+ struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
unsigned int reg = mc->reg;
unsigned int reg2 = mc->rreg;
unsigned int shift = mc->shift;
@@ -927,7 +915,7 @@ static int snd_soc_put_volsw_r2_twl4030(struct snd_kcontrol *kcontrol,
{
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
- struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+ struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
unsigned int reg = mc->reg;
unsigned int reg2 = mc->rreg;
unsigned int shift = mc->shift;
@@ -968,7 +956,7 @@ static SOC_ENUM_SINGLE_DECL(twl4030_op_modes_enum,
static int snd_soc_put_twl4030_opmode_enum_double(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
- struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+ struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
struct twl4030_priv *twl4030 = snd_soc_component_get_drvdata(component);
if (twl4030->configured) {
@@ -1582,13 +1570,15 @@ static const struct snd_soc_dapm_route intercon[] = {
static int twl4030_set_bias_level(struct snd_soc_component *component,
enum snd_soc_bias_level level)
{
+ struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component);
+
switch (level) {
case SND_SOC_BIAS_ON:
break;
case SND_SOC_BIAS_PREPARE:
break;
case SND_SOC_BIAS_STANDBY:
- if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF)
+ if (snd_soc_dapm_get_bias_level(dapm) == SND_SOC_BIAS_OFF)
twl4030_codec_enable(component, 1);
break;
case SND_SOC_BIAS_OFF:
@@ -1854,13 +1844,12 @@ static int twl4030_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
old_format = twl4030_read(component, TWL4030_REG_AUDIO_IF);
format = old_format;
- /* set master/slave audio interface */
- switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
- case SND_SOC_DAIFMT_CBM_CFM:
+ switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
+ case SND_SOC_DAIFMT_CBP_CFP:
format &= ~(TWL4030_AIF_SLAVE_EN);
format &= ~(TWL4030_CLK256FS_EN);
break;
- case SND_SOC_DAIFMT_CBS_CFS:
+ case SND_SOC_DAIFMT_CBC_CFC:
format |= TWL4030_AIF_SLAVE_EN;
format |= TWL4030_CLK256FS_EN;
break;
@@ -2052,12 +2041,11 @@ static int twl4030_voice_set_dai_fmt(struct snd_soc_dai *codec_dai,
old_format = twl4030_read(component, TWL4030_REG_VOICE_IF);
format = old_format;
- /* set master/slave audio interface */
- switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
- case SND_SOC_DAIFMT_CBM_CFM:
+ switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
+ case SND_SOC_DAIFMT_CBP_CFP:
format &= ~(TWL4030_VIF_SLAVE_EN);
break;
- case SND_SOC_DAIFMT_CBS_CFS:
+ case SND_SOC_DAIFMT_CBC_CFC:
format |= TWL4030_VIF_SLAVE_EN;
break;
default:
@@ -2176,23 +2164,11 @@ static int twl4030_soc_probe(struct snd_soc_component *component)
/* Set the defaults, and power up the codec */
twl4030->sysclk = twl4030_audio_get_mclk() / 1000;
- twl4030_init_chip(component);
-
- return 0;
-}
-
-static void twl4030_soc_remove(struct snd_soc_component *component)
-{
- struct twl4030_priv *twl4030 = snd_soc_component_get_drvdata(component);
- struct twl4030_codec_data *pdata = twl4030->pdata;
-
- if (pdata && pdata->hs_extmute && gpio_is_valid(pdata->hs_extmute_gpio))
- gpio_free(pdata->hs_extmute_gpio);
+ return twl4030_init_chip(component);
}
static const struct snd_soc_component_driver soc_component_dev_twl4030 = {
.probe = twl4030_soc_probe,
- .remove = twl4030_soc_remove,
.read = twl4030_read,
.write = twl4030_write,
.set_bias_level = twl4030_set_bias_level,
@@ -2204,7 +2180,6 @@ static const struct snd_soc_component_driver soc_component_dev_twl4030 = {
.num_dapm_routes = ARRAY_SIZE(intercon),
.use_pmdown_time = 1,
.endianness = 1,
- .non_legacy_dai_naming = 1,
};
static int twl4030_codec_probe(struct platform_device *pdev)
generated by cgit (git 2.34.1) at 2025-12-25 14:29:42 +0000