mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-29 23:53:32 +00:00
402f437b43
The ASoC core has now been changed to default to the non-legacy DAI naming, as such drivers using the new scheme no longer need to specify the non_legacy_dai_naming flag. Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com> Link: https://lore.kernel.org/r/20220623125250.2355471-60-ckeepax@opensource.cirrus.com Signed-off-by: Mark Brown <broonie@kernel.org>
390 lines
9.6 KiB
C
390 lines
9.6 KiB
C
/*
|
|
* ASoC codec driver for spear platform
|
|
*
|
|
* sound/soc/codecs/sta529.c -- spear ALSA Soc codec driver
|
|
*
|
|
* Copyright (C) 2012 ST Microelectronics
|
|
* Rajeev Kumar <rajeevkumar.linux@gmail.com>
|
|
*
|
|
* This file is licensed under the terms of the GNU General Public
|
|
* License version 2. This program is licensed "as is" without any
|
|
* warranty of any kind, whether express or implied.
|
|
*/
|
|
|
|
#include <linux/clk.h>
|
|
#include <linux/init.h>
|
|
#include <linux/i2c.h>
|
|
#include <linux/io.h>
|
|
#include <linux/module.h>
|
|
#include <linux/moduleparam.h>
|
|
#include <linux/pm.h>
|
|
#include <linux/regmap.h>
|
|
#include <linux/slab.h>
|
|
|
|
#include <sound/core.h>
|
|
#include <sound/initval.h>
|
|
#include <sound/pcm.h>
|
|
#include <sound/pcm_params.h>
|
|
#include <sound/soc.h>
|
|
#include <sound/soc-dapm.h>
|
|
#include <sound/tlv.h>
|
|
|
|
/* STA529 Register offsets */
|
|
#define STA529_FFXCFG0 0x00
|
|
#define STA529_FFXCFG1 0x01
|
|
#define STA529_MVOL 0x02
|
|
#define STA529_LVOL 0x03
|
|
#define STA529_RVOL 0x04
|
|
#define STA529_TTF0 0x05
|
|
#define STA529_TTF1 0x06
|
|
#define STA529_TTP0 0x07
|
|
#define STA529_TTP1 0x08
|
|
#define STA529_S2PCFG0 0x0A
|
|
#define STA529_S2PCFG1 0x0B
|
|
#define STA529_P2SCFG0 0x0C
|
|
#define STA529_P2SCFG1 0x0D
|
|
#define STA529_PLLCFG0 0x14
|
|
#define STA529_PLLCFG1 0x15
|
|
#define STA529_PLLCFG2 0x16
|
|
#define STA529_PLLCFG3 0x17
|
|
#define STA529_PLLPFE 0x18
|
|
#define STA529_PLLST 0x19
|
|
#define STA529_ADCCFG 0x1E /*mic_select*/
|
|
#define STA529_CKOCFG 0x1F
|
|
#define STA529_MISC 0x20
|
|
#define STA529_PADST0 0x21
|
|
#define STA529_PADST1 0x22
|
|
#define STA529_FFXST 0x23
|
|
#define STA529_PWMIN1 0x2D
|
|
#define STA529_PWMIN2 0x2E
|
|
#define STA529_POWST 0x32
|
|
|
|
#define STA529_MAX_REGISTER 0x32
|
|
|
|
#define STA529_RATES (SNDRV_PCM_RATE_8000 | \
|
|
SNDRV_PCM_RATE_11025 | \
|
|
SNDRV_PCM_RATE_16000 | \
|
|
SNDRV_PCM_RATE_22050 | \
|
|
SNDRV_PCM_RATE_32000 | \
|
|
SNDRV_PCM_RATE_44100 | \
|
|
SNDRV_PCM_RATE_48000)
|
|
|
|
#define STA529_FORMAT (SNDRV_PCM_FMTBIT_S16_LE | \
|
|
SNDRV_PCM_FMTBIT_S24_LE | \
|
|
SNDRV_PCM_FMTBIT_S32_LE)
|
|
#define S2PC_VALUE 0x98
|
|
#define CLOCK_OUT 0x60
|
|
#define DATA_FORMAT_MSK 0x0E
|
|
#define LEFT_J_DATA_FORMAT 0x00
|
|
#define I2S_DATA_FORMAT 0x02
|
|
#define RIGHT_J_DATA_FORMAT 0x04
|
|
#define CODEC_MUTE_VAL 0x80
|
|
|
|
#define POWER_CNTLMSAK 0x40
|
|
#define POWER_STDBY 0x40
|
|
#define FFX_MASK 0x80
|
|
#define FFX_OFF 0x80
|
|
#define POWER_UP 0x00
|
|
#define FFX_CLK_ENB 0x01
|
|
#define FFX_CLK_DIS 0x00
|
|
#define FFX_CLK_MSK 0x01
|
|
#define PLAY_FREQ_RANGE_MSK 0x70
|
|
#define CAP_FREQ_RANGE_MSK 0x0C
|
|
#define PDATA_LEN_MSK 0xC0
|
|
#define BCLK_TO_FS_MSK 0x30
|
|
#define AUDIO_MUTE_MSK 0x80
|
|
|
|
static const struct reg_default sta529_reg_defaults[] = {
|
|
{ 0, 0x35 }, /* R0 - FFX Configuration reg 0 */
|
|
{ 1, 0xc8 }, /* R1 - FFX Configuration reg 1 */
|
|
{ 2, 0x50 }, /* R2 - Master Volume */
|
|
{ 3, 0x00 }, /* R3 - Left Volume */
|
|
{ 4, 0x00 }, /* R4 - Right Volume */
|
|
{ 10, 0xb2 }, /* R10 - S2P Config Reg 0 */
|
|
{ 11, 0x41 }, /* R11 - S2P Config Reg 1 */
|
|
{ 12, 0x92 }, /* R12 - P2S Config Reg 0 */
|
|
{ 13, 0x41 }, /* R13 - P2S Config Reg 1 */
|
|
{ 30, 0xd2 }, /* R30 - ADC Config Reg */
|
|
{ 31, 0x40 }, /* R31 - clock Out Reg */
|
|
{ 32, 0x21 }, /* R32 - Misc Register */
|
|
};
|
|
|
|
struct sta529 {
|
|
struct regmap *regmap;
|
|
};
|
|
|
|
static bool sta529_readable(struct device *dev, unsigned int reg)
|
|
{
|
|
switch (reg) {
|
|
|
|
case STA529_FFXCFG0:
|
|
case STA529_FFXCFG1:
|
|
case STA529_MVOL:
|
|
case STA529_LVOL:
|
|
case STA529_RVOL:
|
|
case STA529_S2PCFG0:
|
|
case STA529_S2PCFG1:
|
|
case STA529_P2SCFG0:
|
|
case STA529_P2SCFG1:
|
|
case STA529_ADCCFG:
|
|
case STA529_CKOCFG:
|
|
case STA529_MISC:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
|
|
static const char *pwm_mode_text[] = { "Binary", "Headphone", "Ternary",
|
|
"Phase-shift"};
|
|
|
|
static const DECLARE_TLV_DB_SCALE(out_gain_tlv, -9150, 50, 0);
|
|
static const DECLARE_TLV_DB_SCALE(master_vol_tlv, -12750, 50, 0);
|
|
static SOC_ENUM_SINGLE_DECL(pwm_src, STA529_FFXCFG1, 4, pwm_mode_text);
|
|
|
|
static const struct snd_kcontrol_new sta529_snd_controls[] = {
|
|
SOC_DOUBLE_R_TLV("Digital Playback Volume", STA529_LVOL, STA529_RVOL, 0,
|
|
127, 0, out_gain_tlv),
|
|
SOC_SINGLE_TLV("Master Playback Volume", STA529_MVOL, 0, 127, 1,
|
|
master_vol_tlv),
|
|
SOC_ENUM("PWM Select", pwm_src),
|
|
};
|
|
|
|
static int sta529_set_bias_level(struct snd_soc_component *component, enum
|
|
snd_soc_bias_level level)
|
|
{
|
|
struct sta529 *sta529 = snd_soc_component_get_drvdata(component);
|
|
|
|
switch (level) {
|
|
case SND_SOC_BIAS_ON:
|
|
case SND_SOC_BIAS_PREPARE:
|
|
snd_soc_component_update_bits(component, STA529_FFXCFG0, POWER_CNTLMSAK,
|
|
POWER_UP);
|
|
snd_soc_component_update_bits(component, STA529_MISC, FFX_CLK_MSK,
|
|
FFX_CLK_ENB);
|
|
break;
|
|
case SND_SOC_BIAS_STANDBY:
|
|
if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF)
|
|
regcache_sync(sta529->regmap);
|
|
snd_soc_component_update_bits(component, STA529_FFXCFG0,
|
|
POWER_CNTLMSAK, POWER_STDBY);
|
|
/* Making FFX output to zero */
|
|
snd_soc_component_update_bits(component, STA529_FFXCFG0, FFX_MASK,
|
|
FFX_OFF);
|
|
snd_soc_component_update_bits(component, STA529_MISC, FFX_CLK_MSK,
|
|
FFX_CLK_DIS);
|
|
break;
|
|
case SND_SOC_BIAS_OFF:
|
|
break;
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
static int sta529_hw_params(struct snd_pcm_substream *substream,
|
|
struct snd_pcm_hw_params *params,
|
|
struct snd_soc_dai *dai)
|
|
{
|
|
struct snd_soc_component *component = dai->component;
|
|
int pdata, play_freq_val, record_freq_val;
|
|
int bclk_to_fs_ratio;
|
|
|
|
switch (params_width(params)) {
|
|
case 16:
|
|
pdata = 1;
|
|
bclk_to_fs_ratio = 0;
|
|
break;
|
|
case 24:
|
|
pdata = 2;
|
|
bclk_to_fs_ratio = 1;
|
|
break;
|
|
case 32:
|
|
pdata = 3;
|
|
bclk_to_fs_ratio = 2;
|
|
break;
|
|
default:
|
|
dev_err(component->dev, "Unsupported format\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
switch (params_rate(params)) {
|
|
case 8000:
|
|
case 11025:
|
|
play_freq_val = 0;
|
|
record_freq_val = 2;
|
|
break;
|
|
case 16000:
|
|
case 22050:
|
|
play_freq_val = 1;
|
|
record_freq_val = 0;
|
|
break;
|
|
|
|
case 32000:
|
|
case 44100:
|
|
case 48000:
|
|
play_freq_val = 2;
|
|
record_freq_val = 0;
|
|
break;
|
|
default:
|
|
dev_err(component->dev, "Unsupported rate\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
|
|
snd_soc_component_update_bits(component, STA529_S2PCFG1, PDATA_LEN_MSK,
|
|
pdata << 6);
|
|
snd_soc_component_update_bits(component, STA529_S2PCFG1, BCLK_TO_FS_MSK,
|
|
bclk_to_fs_ratio << 4);
|
|
snd_soc_component_update_bits(component, STA529_MISC, PLAY_FREQ_RANGE_MSK,
|
|
play_freq_val << 4);
|
|
} else {
|
|
snd_soc_component_update_bits(component, STA529_P2SCFG1, PDATA_LEN_MSK,
|
|
pdata << 6);
|
|
snd_soc_component_update_bits(component, STA529_P2SCFG1, BCLK_TO_FS_MSK,
|
|
bclk_to_fs_ratio << 4);
|
|
snd_soc_component_update_bits(component, STA529_MISC, CAP_FREQ_RANGE_MSK,
|
|
record_freq_val << 2);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int sta529_mute(struct snd_soc_dai *dai, int mute, int direction)
|
|
{
|
|
u8 val = 0;
|
|
|
|
if (mute)
|
|
val |= CODEC_MUTE_VAL;
|
|
|
|
snd_soc_component_update_bits(dai->component, STA529_FFXCFG0, AUDIO_MUTE_MSK, val);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int sta529_set_dai_fmt(struct snd_soc_dai *codec_dai, u32 fmt)
|
|
{
|
|
struct snd_soc_component *component = codec_dai->component;
|
|
u8 mode = 0;
|
|
|
|
/* interface format */
|
|
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
|
|
case SND_SOC_DAIFMT_LEFT_J:
|
|
mode = LEFT_J_DATA_FORMAT;
|
|
break;
|
|
case SND_SOC_DAIFMT_I2S:
|
|
mode = I2S_DATA_FORMAT;
|
|
break;
|
|
case SND_SOC_DAIFMT_RIGHT_J:
|
|
mode = RIGHT_J_DATA_FORMAT;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
snd_soc_component_update_bits(component, STA529_S2PCFG0, DATA_FORMAT_MSK, mode);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct snd_soc_dai_ops sta529_dai_ops = {
|
|
.hw_params = sta529_hw_params,
|
|
.set_fmt = sta529_set_dai_fmt,
|
|
.mute_stream = sta529_mute,
|
|
.no_capture_mute = 1,
|
|
};
|
|
|
|
static struct snd_soc_dai_driver sta529_dai = {
|
|
.name = "sta529-audio",
|
|
.playback = {
|
|
.stream_name = "Playback",
|
|
.channels_min = 2,
|
|
.channels_max = 2,
|
|
.rates = STA529_RATES,
|
|
.formats = STA529_FORMAT,
|
|
},
|
|
.capture = {
|
|
.stream_name = "Capture",
|
|
.channels_min = 2,
|
|
.channels_max = 2,
|
|
.rates = STA529_RATES,
|
|
.formats = STA529_FORMAT,
|
|
},
|
|
.ops = &sta529_dai_ops,
|
|
};
|
|
|
|
static const struct snd_soc_component_driver sta529_component_driver = {
|
|
.set_bias_level = sta529_set_bias_level,
|
|
.controls = sta529_snd_controls,
|
|
.num_controls = ARRAY_SIZE(sta529_snd_controls),
|
|
.suspend_bias_off = 1,
|
|
.idle_bias_on = 1,
|
|
.use_pmdown_time = 1,
|
|
.endianness = 1,
|
|
};
|
|
|
|
static const struct regmap_config sta529_regmap = {
|
|
.reg_bits = 8,
|
|
.val_bits = 8,
|
|
|
|
.max_register = STA529_MAX_REGISTER,
|
|
.readable_reg = sta529_readable,
|
|
|
|
.cache_type = REGCACHE_RBTREE,
|
|
.reg_defaults = sta529_reg_defaults,
|
|
.num_reg_defaults = ARRAY_SIZE(sta529_reg_defaults),
|
|
};
|
|
|
|
static int sta529_i2c_probe(struct i2c_client *i2c)
|
|
{
|
|
struct sta529 *sta529;
|
|
int ret;
|
|
|
|
sta529 = devm_kzalloc(&i2c->dev, sizeof(struct sta529), GFP_KERNEL);
|
|
if (!sta529)
|
|
return -ENOMEM;
|
|
|
|
sta529->regmap = devm_regmap_init_i2c(i2c, &sta529_regmap);
|
|
if (IS_ERR(sta529->regmap)) {
|
|
ret = PTR_ERR(sta529->regmap);
|
|
dev_err(&i2c->dev, "Failed to allocate regmap: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
i2c_set_clientdata(i2c, sta529);
|
|
|
|
ret = devm_snd_soc_register_component(&i2c->dev,
|
|
&sta529_component_driver, &sta529_dai, 1);
|
|
if (ret != 0)
|
|
dev_err(&i2c->dev, "Failed to register CODEC: %d\n", ret);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static const struct i2c_device_id sta529_i2c_id[] = {
|
|
{ "sta529", 0 },
|
|
{ }
|
|
};
|
|
MODULE_DEVICE_TABLE(i2c, sta529_i2c_id);
|
|
|
|
static const struct of_device_id sta529_of_match[] = {
|
|
{ .compatible = "st,sta529", },
|
|
{ }
|
|
};
|
|
MODULE_DEVICE_TABLE(of, sta529_of_match);
|
|
|
|
static struct i2c_driver sta529_i2c_driver = {
|
|
.driver = {
|
|
.name = "sta529",
|
|
.of_match_table = sta529_of_match,
|
|
},
|
|
.probe_new = sta529_i2c_probe,
|
|
.id_table = sta529_i2c_id,
|
|
};
|
|
|
|
module_i2c_driver(sta529_i2c_driver);
|
|
|
|
MODULE_DESCRIPTION("ASoC STA529 codec driver");
|
|
MODULE_AUTHOR("Rajeev Kumar <rajeevkumar.linux@gmail.com>");
|
|
MODULE_LICENSE("GPL");
|