#include <sound/soc.h>
#include <sound/soc-dapm.h>
-/* chipID supported */
-#define CHIPID_STIH416 0
-#define CHIPID_STIH407 1
-
/* DAC definitions */
-/* stih416 DAC registers */
-/* sysconf 2517: Audio-DAC-Control */
-#define STIH416_AUDIO_DAC_CTRL 0x00000814
-/* sysconf 2519: Audio-Gue-Control */
-#define STIH416_AUDIO_GLUE_CTRL 0x0000081C
-
-#define STIH416_DAC_NOT_STANDBY 0x3
-#define STIH416_DAC_SOFTMUTE 0x4
-#define STIH416_DAC_ANA_NOT_PWR 0x5
-#define STIH416_DAC_NOT_PNDBG 0x6
-
-#define STIH416_DAC_NOT_STANDBY_MASK BIT(STIH416_DAC_NOT_STANDBY)
-#define STIH416_DAC_SOFTMUTE_MASK BIT(STIH416_DAC_SOFTMUTE)
-#define STIH416_DAC_ANA_NOT_PWR_MASK BIT(STIH416_DAC_ANA_NOT_PWR)
-#define STIH416_DAC_NOT_PNDBG_MASK BIT(STIH416_DAC_NOT_PNDBG)
-
/* stih407 DAC registers */
/* sysconf 5041: Audio-Gue-Control */
#define STIH407_AUDIO_GLUE_CTRL 0x000000A4
STI_SAS_DAI_ANALOG_OUT,
};
-static const struct reg_default stih416_sas_reg_defaults[] = {
- { STIH407_AUDIO_GLUE_CTRL, 0x00000040 },
- { STIH407_AUDIO_DAC_CTRL, 0x000000000 },
-};
-
static const struct reg_default stih407_sas_reg_defaults[] = {
- { STIH416_AUDIO_DAC_CTRL, 0x000000000 },
- { STIH416_AUDIO_GLUE_CTRL, 0x00000040 },
+ { STIH407_AUDIO_DAC_CTRL, 0x000000000 },
+ { STIH407_AUDIO_GLUE_CTRL, 0x00000040 },
};
struct sti_dac_audio {
/* device data structure */
struct sti_sas_dev_data {
- const int chipid; /* IC version */
const struct regmap_config *regmap;
const struct snd_soc_dai_ops *dac_ops; /* DAC function callbacks */
const struct snd_soc_dapm_widget *dapm_widgets; /* dapms declaration */
}
/* Init DAC configuration */
- switch (data->dev_data->chipid) {
- case CHIPID_STIH407:
- /* init configuration */
- ret = snd_soc_update_bits(codec, STIH407_AUDIO_DAC_CTRL,
- STIH407_DAC_STANDBY_MASK,
- STIH407_DAC_STANDBY_MASK);
-
- if (!ret)
- ret = snd_soc_update_bits(codec, STIH407_AUDIO_DAC_CTRL,
- STIH407_DAC_STANDBY_ANA_MASK,
- STIH407_DAC_STANDBY_ANA_MASK);
- if (!ret)
- ret = snd_soc_update_bits(codec, STIH407_AUDIO_DAC_CTRL,
- STIH407_DAC_SOFTMUTE_MASK,
- STIH407_DAC_SOFTMUTE_MASK);
- break;
- case CHIPID_STIH416:
- ret = snd_soc_update_bits(codec, STIH416_AUDIO_DAC_CTRL,
- STIH416_DAC_NOT_STANDBY_MASK, 0);
- if (!ret)
- ret = snd_soc_update_bits(codec,
- STIH416_AUDIO_DAC_CTRL,
- STIH416_DAC_ANA_NOT_PWR, 0);
- if (!ret)
- ret = snd_soc_update_bits(codec,
- STIH416_AUDIO_DAC_CTRL,
- STIH416_DAC_NOT_PNDBG_MASK,
- 0);
- if (!ret)
- ret = snd_soc_update_bits(codec,
- STIH416_AUDIO_DAC_CTRL,
- STIH416_DAC_SOFTMUTE_MASK,
- STIH416_DAC_SOFTMUTE_MASK);
- break;
- default:
- return -EINVAL;
- }
+ /* init configuration */
+ ret = snd_soc_update_bits(codec, STIH407_AUDIO_DAC_CTRL,
+ STIH407_DAC_STANDBY_MASK,
+ STIH407_DAC_STANDBY_MASK);
+
+ if (!ret)
+ ret = snd_soc_update_bits(codec, STIH407_AUDIO_DAC_CTRL,
+ STIH407_DAC_STANDBY_ANA_MASK,
+ STIH407_DAC_STANDBY_ANA_MASK);
+ if (!ret)
+ ret = snd_soc_update_bits(codec, STIH407_AUDIO_DAC_CTRL,
+ STIH407_DAC_SOFTMUTE_MASK,
+ STIH407_DAC_SOFTMUTE_MASK);
if (ret < 0) {
dev_err(codec->dev, "Failed to update DAC registers");
return 0;
}
-static int stih416_dac_probe(struct snd_soc_dai *dai)
-{
- struct snd_soc_codec *codec = dai->codec;
- struct sti_sas_data *drvdata = dev_get_drvdata(codec->dev);
- struct sti_dac_audio *dac = &drvdata->dac;
-
- /* Get reset control */
- dac->rst = devm_reset_control_get(codec->dev, "dac_rst");
- if (IS_ERR(dac->rst)) {
- dev_err(dai->codec->dev,
- "%s: ERROR: DAC reset control not defined !\n",
- __func__);
- dac->rst = NULL;
- return -EFAULT;
- }
- /* Put the DAC into reset */
- reset_control_assert(dac->rst);
-
- return 0;
-}
-
-static const struct snd_soc_dapm_widget stih416_sas_dapm_widgets[] = {
- SND_SOC_DAPM_PGA("DAC bandgap", STIH416_AUDIO_DAC_CTRL,
- STIH416_DAC_NOT_PNDBG_MASK, 0, NULL, 0),
- SND_SOC_DAPM_OUT_DRV("DAC standby ana", STIH416_AUDIO_DAC_CTRL,
- STIH416_DAC_ANA_NOT_PWR, 0, NULL, 0),
- SND_SOC_DAPM_DAC("DAC standby", "dac_p", STIH416_AUDIO_DAC_CTRL,
- STIH416_DAC_NOT_STANDBY, 0),
- SND_SOC_DAPM_OUTPUT("DAC Output"),
-};
-
static const struct snd_soc_dapm_widget stih407_sas_dapm_widgets[] = {
SND_SOC_DAPM_OUT_DRV("DAC standby ana", STIH407_AUDIO_DAC_CTRL,
STIH407_DAC_STANDBY_ANA, 1, NULL, 0),
SND_SOC_DAPM_OUTPUT("DAC Output"),
};
-static const struct snd_soc_dapm_route stih416_sas_route[] = {
- {"DAC Output", NULL, "DAC bandgap"},
- {"DAC Output", NULL, "DAC standby ana"},
- {"DAC standby ana", NULL, "DAC standby"},
-};
-
static const struct snd_soc_dapm_route stih407_sas_route[] = {
{"DAC Output", NULL, "DAC standby ana"},
{"DAC standby ana", NULL, "DAC standby"},
};
-static int stih416_sas_dac_mute(struct snd_soc_dai *dai, int mute, int stream)
-{
- struct snd_soc_codec *codec = dai->codec;
-
- if (mute) {
- return snd_soc_update_bits(codec, STIH416_AUDIO_DAC_CTRL,
- STIH416_DAC_SOFTMUTE_MASK,
- STIH416_DAC_SOFTMUTE_MASK);
- } else {
- return snd_soc_update_bits(codec, STIH416_AUDIO_DAC_CTRL,
- STIH416_DAC_SOFTMUTE_MASK, 0);
- }
-}
static int stih407_sas_dac_mute(struct snd_soc_dai *dai, int mute, int stream)
{
return 0;
}
-static const struct snd_soc_dai_ops stih416_dac_ops = {
- .set_fmt = sti_sas_dac_set_fmt,
- .mute_stream = stih416_sas_dac_mute,
- .prepare = sti_sas_prepare,
- .set_sysclk = sti_sas_set_sysclk,
-};
-
static const struct snd_soc_dai_ops stih407_dac_ops = {
.set_fmt = sti_sas_dac_set_fmt,
.mute_stream = stih407_sas_dac_mute,
.reg_write = sti_sas_write_reg,
};
-static const struct regmap_config stih416_sas_regmap = {
- .reg_bits = 32,
- .val_bits = 32,
-
- .max_register = STIH416_AUDIO_DAC_CTRL,
- .reg_defaults = stih416_sas_reg_defaults,
- .num_reg_defaults = ARRAY_SIZE(stih416_sas_reg_defaults),
- .volatile_reg = sti_sas_volatile_register,
- .cache_type = REGCACHE_RBTREE,
- .reg_read = sti_sas_read_reg,
- .reg_write = sti_sas_write_reg,
-};
-
-static const struct sti_sas_dev_data stih416_data = {
- .chipid = CHIPID_STIH416,
- .regmap = &stih416_sas_regmap,
- .dac_ops = &stih416_dac_ops,
- .dapm_widgets = stih416_sas_dapm_widgets,
- .num_dapm_widgets = ARRAY_SIZE(stih416_sas_dapm_widgets),
- .dapm_routes = stih416_sas_route,
- .num_dapm_routes = ARRAY_SIZE(stih416_sas_route),
-};
-
static const struct sti_sas_dev_data stih407_data = {
- .chipid = CHIPID_STIH407,
.regmap = &stih407_sas_regmap,
.dac_ops = &stih407_dac_ops,
.dapm_widgets = stih407_sas_dapm_widgets,
static const struct of_device_id sti_sas_dev_match[] = {
{
- .compatible = "st,stih416-sas-codec",
- .data = &stih416_data,
- },
- {
.compatible = "st,stih407-sas-codec",
.data = &stih407_data,
},
}
drvdata->spdif.regmap = drvdata->dac.regmap;
- /* Set DAC dai probe */
- if (drvdata->dev_data->chipid == CHIPID_STIH416)
- sti_sas_dai[STI_SAS_DAI_ANALOG_OUT].probe = stih416_dac_probe;
-
sti_sas_dai[STI_SAS_DAI_ANALOG_OUT].ops = drvdata->dev_data->dac_ops;
/* Set dapms*/