aboutsummaryrefslogtreecommitdiff
path: root/sound/soc/codecs/ssm2602.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/soc/codecs/ssm2602.c')
-rw-r--r--sound/soc/codecs/ssm2602.c688
1 files changed, 330 insertions, 358 deletions
diff --git a/sound/soc/codecs/ssm2602.c b/sound/soc/codecs/ssm2602.c
index 6f38d619bf8..97b0454eb34 100644
--- a/sound/soc/codecs/ssm2602.c
+++ b/sound/soc/codecs/ssm2602.c
@@ -27,31 +27,25 @@
*/
#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/pm.h>
-#include <linux/i2c.h>
-#include <linux/platform_device.h>
+#include <linux/regmap.h>
#include <linux/slab.h>
-#include <sound/core.h>
+
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
-#include <sound/soc-dapm.h>
-#include <sound/initval.h>
+#include <sound/tlv.h>
#include "ssm2602.h"
-#define SSM2602_VERSION "0.1"
-
/* codec private data */
struct ssm2602_priv {
unsigned int sysclk;
- enum snd_soc_control_type control_type;
- void *control_data;
- struct snd_pcm_substream *master_substream;
- struct snd_pcm_substream *slave_substream;
+ const struct snd_pcm_hw_constraint_list *sysclk_constraints;
+
+ struct regmap *regmap;
+
+ enum ssm2602_type type;
+ unsigned int clk_out_pwr;
};
/*
@@ -61,336 +55,273 @@ struct ssm2602_priv {
* There is no point in caching the reset register
*/
static const u16 ssm2602_reg[SSM2602_CACHEREGNUM] = {
- 0x0017, 0x0017, 0x0079, 0x0079,
- 0x0000, 0x0000, 0x0000, 0x000a,
+ 0x0097, 0x0097, 0x0079, 0x0079,
+ 0x000a, 0x0008, 0x009f, 0x000a,
0x0000, 0x0000
};
-/*
- * read ssm2602 register cache
- */
-static inline unsigned int ssm2602_read_reg_cache(struct snd_soc_codec *codec,
- unsigned int reg)
-{
- u16 *cache = codec->reg_cache;
- if (reg == SSM2602_RESET)
- return 0;
- if (reg >= SSM2602_CACHEREGNUM)
- return -1;
- return cache[reg];
-}
-
-/*
- * write ssm2602 register cache
- */
-static inline void ssm2602_write_reg_cache(struct snd_soc_codec *codec,
- u16 reg, unsigned int value)
-{
- u16 *cache = codec->reg_cache;
- if (reg >= SSM2602_CACHEREGNUM)
- return;
- cache[reg] = value;
-}
-
-/*
- * write to the ssm2602 register space
- */
-static int ssm2602_write(struct snd_soc_codec *codec, unsigned int reg,
- unsigned int value)
-{
- u8 data[2];
-
- /* data is
- * D15..D9 ssm2602 register offset
- * D8...D0 register data
- */
- data[0] = (reg << 1) | ((value >> 8) & 0x0001);
- data[1] = value & 0x00ff;
-
- ssm2602_write_reg_cache(codec, reg, value);
- if (codec->hw_write(codec->control_data, data, 2) == 2)
- return 0;
- else
- return -EIO;
-}
-
-#define ssm2602_reset(c) ssm2602_write(c, SSM2602_RESET, 0)
/*Appending several "None"s just for OSS mixer use*/
static const char *ssm2602_input_select[] = {
- "Line", "Mic", "None", "None", "None",
- "None", "None", "None",
+ "Line", "Mic",
};
static const char *ssm2602_deemph[] = {"None", "32Khz", "44.1Khz", "48Khz"};
static const struct soc_enum ssm2602_enum[] = {
- SOC_ENUM_SINGLE(SSM2602_APANA, 2, 2, ssm2602_input_select),
- SOC_ENUM_SINGLE(SSM2602_APDIGI, 1, 4, ssm2602_deemph),
+ SOC_ENUM_SINGLE(SSM2602_APANA, 2, ARRAY_SIZE(ssm2602_input_select),
+ ssm2602_input_select),
+ SOC_ENUM_SINGLE(SSM2602_APDIGI, 1, ARRAY_SIZE(ssm2602_deemph),
+ ssm2602_deemph),
};
-static const struct snd_kcontrol_new ssm2602_snd_controls[] = {
+static const unsigned int ssm260x_outmix_tlv[] = {
+ TLV_DB_RANGE_HEAD(2),
+ 0, 47, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 0),
+ 48, 127, TLV_DB_SCALE_ITEM(-7400, 100, 0),
+};
-SOC_DOUBLE_R("Master Playback Volume", SSM2602_LOUT1V, SSM2602_ROUT1V,
- 0, 127, 0),
-SOC_DOUBLE_R("Master Playback ZC Switch", SSM2602_LOUT1V, SSM2602_ROUT1V,
- 7, 1, 0),
+static const DECLARE_TLV_DB_SCALE(ssm260x_inpga_tlv, -3450, 150, 0);
+static const DECLARE_TLV_DB_SCALE(ssm260x_sidetone_tlv, -1500, 300, 0);
-SOC_DOUBLE_R("Capture Volume", SSM2602_LINVOL, SSM2602_RINVOL, 0, 31, 0),
+static const struct snd_kcontrol_new ssm260x_snd_controls[] = {
+SOC_DOUBLE_R_TLV("Capture Volume", SSM2602_LINVOL, SSM2602_RINVOL, 0, 45, 0,
+ ssm260x_inpga_tlv),
SOC_DOUBLE_R("Capture Switch", SSM2602_LINVOL, SSM2602_RINVOL, 7, 1, 1),
-SOC_SINGLE("Mic Boost (+20dB)", SSM2602_APANA, 0, 1, 0),
-SOC_SINGLE("Mic Boost2 (+20dB)", SSM2602_APANA, 7, 1, 0),
-SOC_SINGLE("Mic Switch", SSM2602_APANA, 1, 1, 1),
-
-SOC_SINGLE("Sidetone Playback Volume", SSM2602_APANA, 6, 3, 1),
-
SOC_SINGLE("ADC High Pass Filter Switch", SSM2602_APDIGI, 0, 1, 1),
SOC_SINGLE("Store DC Offset Switch", SSM2602_APDIGI, 4, 1, 0),
-SOC_ENUM("Capture Source", ssm2602_enum[0]),
-
SOC_ENUM("Playback De-emphasis", ssm2602_enum[1]),
};
+static const struct snd_kcontrol_new ssm2602_snd_controls[] = {
+SOC_DOUBLE_R_TLV("Master Playback Volume", SSM2602_LOUT1V, SSM2602_ROUT1V,
+ 0, 127, 0, ssm260x_outmix_tlv),
+SOC_DOUBLE_R("Master Playback ZC Switch", SSM2602_LOUT1V, SSM2602_ROUT1V,
+ 7, 1, 0),
+SOC_SINGLE_TLV("Sidetone Playback Volume", SSM2602_APANA, 6, 3, 1,
+ ssm260x_sidetone_tlv),
+
+SOC_SINGLE("Mic Boost (+20dB)", SSM2602_APANA, 0, 1, 0),
+SOC_SINGLE("Mic Boost2 (+20dB)", SSM2602_APANA, 8, 1, 0),
+SOC_SINGLE("Mic Switch", SSM2602_APANA, 1, 1, 1),
+};
+
/* Output Mixer */
-static const struct snd_kcontrol_new ssm2602_output_mixer_controls[] = {
+static const struct snd_kcontrol_new ssm260x_output_mixer_controls[] = {
SOC_DAPM_SINGLE("Line Bypass Switch", SSM2602_APANA, 3, 1, 0),
-SOC_DAPM_SINGLE("Mic Sidetone Switch", SSM2602_APANA, 5, 1, 0),
SOC_DAPM_SINGLE("HiFi Playback Switch", SSM2602_APANA, 4, 1, 0),
+SOC_DAPM_SINGLE("Mic Sidetone Switch", SSM2602_APANA, 5, 1, 0),
};
/* Input mux */
static const struct snd_kcontrol_new ssm2602_input_mux_controls =
SOC_DAPM_ENUM("Input Select", ssm2602_enum[0]);
-static const struct snd_soc_dapm_widget ssm2602_dapm_widgets[] = {
-SND_SOC_DAPM_MIXER("Output Mixer", SSM2602_PWR, 4, 1,
- &ssm2602_output_mixer_controls[0],
- ARRAY_SIZE(ssm2602_output_mixer_controls)),
+static const struct snd_soc_dapm_widget ssm260x_dapm_widgets[] = {
SND_SOC_DAPM_DAC("DAC", "HiFi Playback", SSM2602_PWR, 3, 1),
+SND_SOC_DAPM_ADC("ADC", "HiFi Capture", SSM2602_PWR, 2, 1),
+SND_SOC_DAPM_PGA("Line Input", SSM2602_PWR, 0, 1, NULL, 0),
+
+SND_SOC_DAPM_SUPPLY("Digital Core Power", SSM2602_ACTIVE, 0, 0, NULL, 0),
+
SND_SOC_DAPM_OUTPUT("LOUT"),
-SND_SOC_DAPM_OUTPUT("LHPOUT"),
SND_SOC_DAPM_OUTPUT("ROUT"),
-SND_SOC_DAPM_OUTPUT("RHPOUT"),
-SND_SOC_DAPM_ADC("ADC", "HiFi Capture", SSM2602_PWR, 2, 1),
+SND_SOC_DAPM_INPUT("RLINEIN"),
+SND_SOC_DAPM_INPUT("LLINEIN"),
+};
+
+static const struct snd_soc_dapm_widget ssm2602_dapm_widgets[] = {
+SND_SOC_DAPM_MIXER("Output Mixer", SSM2602_PWR, 4, 1,
+ ssm260x_output_mixer_controls,
+ ARRAY_SIZE(ssm260x_output_mixer_controls)),
+
SND_SOC_DAPM_MUX("Input Mux", SND_SOC_NOPM, 0, 0, &ssm2602_input_mux_controls),
-SND_SOC_DAPM_PGA("Line Input", SSM2602_PWR, 0, 1, NULL, 0),
SND_SOC_DAPM_MICBIAS("Mic Bias", SSM2602_PWR, 1, 1),
+
+SND_SOC_DAPM_OUTPUT("LHPOUT"),
+SND_SOC_DAPM_OUTPUT("RHPOUT"),
SND_SOC_DAPM_INPUT("MICIN"),
-SND_SOC_DAPM_INPUT("RLINEIN"),
-SND_SOC_DAPM_INPUT("LLINEIN"),
};
-static const struct snd_soc_dapm_route audio_conn[] = {
- /* output mixer */
+static const struct snd_soc_dapm_widget ssm2604_dapm_widgets[] = {
+SND_SOC_DAPM_MIXER("Output Mixer", SND_SOC_NOPM, 0, 0,
+ ssm260x_output_mixer_controls,
+ ARRAY_SIZE(ssm260x_output_mixer_controls) - 1), /* Last element is the mic */
+};
+
+static const struct snd_soc_dapm_route ssm260x_routes[] = {
+ {"DAC", NULL, "Digital Core Power"},
+ {"ADC", NULL, "Digital Core Power"},
+
{"Output Mixer", "Line Bypass Switch", "Line Input"},
{"Output Mixer", "HiFi Playback Switch", "DAC"},
+
+ {"ROUT", NULL, "Output Mixer"},
+ {"LOUT", NULL, "Output Mixer"},
+
+ {"Line Input", NULL, "LLINEIN"},
+ {"Line Input", NULL, "RLINEIN"},
+};
+
+static const struct snd_soc_dapm_route ssm2602_routes[] = {
{"Output Mixer", "Mic Sidetone Switch", "Mic Bias"},
- /* outputs */
{"RHPOUT", NULL, "Output Mixer"},
- {"ROUT", NULL, "Output Mixer"},
{"LHPOUT", NULL, "Output Mixer"},
- {"LOUT", NULL, "Output Mixer"},
- /* input mux */
{"Input Mux", "Line", "Line Input"},
{"Input Mux", "Mic", "Mic Bias"},
{"ADC", NULL, "Input Mux"},
- /* inputs */
- {"Line Input", NULL, "LLINEIN"},
- {"Line Input", NULL, "RLINEIN"},
{"Mic Bias", NULL, "MICIN"},
};
-static int ssm2602_add_widgets(struct snd_soc_codec *codec)
-{
- snd_soc_dapm_new_controls(codec, ssm2602_dapm_widgets,
- ARRAY_SIZE(ssm2602_dapm_widgets));
+static const struct snd_soc_dapm_route ssm2604_routes[] = {
+ {"ADC", NULL, "Line Input"},
+};
- snd_soc_dapm_add_routes(codec, audio_conn, ARRAY_SIZE(audio_conn));
+static const unsigned int ssm2602_rates_12288000[] = {
+ 8000, 16000, 32000, 48000, 96000,
+};
- return 0;
-}
+static const struct snd_pcm_hw_constraint_list ssm2602_constraints_12288000 = {
+ .list = ssm2602_rates_12288000,
+ .count = ARRAY_SIZE(ssm2602_rates_12288000),
+};
-struct _coeff_div {
+static const unsigned int ssm2602_rates_11289600[] = {
+ 8000, 44100, 88200,
+};
+
+static const struct snd_pcm_hw_constraint_list ssm2602_constraints_11289600 = {
+ .list = ssm2602_rates_11289600,
+ .count = ARRAY_SIZE(ssm2602_rates_11289600),
+};
+
+struct ssm2602_coeff {
u32 mclk;
u32 rate;
- u16 fs;
- u8 sr:4;
- u8 bosr:1;
- u8 usb:1;
+ u8 srate;
};
-/* codec mclk clock divider coefficients */
-static const struct _coeff_div coeff_div[] = {
+#define SSM2602_COEFF_SRATE(sr, bosr, usb) (((sr) << 2) | ((bosr) << 1) | (usb))
+
+/* codec mclk clock coefficients */
+static const struct ssm2602_coeff ssm2602_coeff_table[] = {
/* 48k */
- {12288000, 48000, 256, 0x0, 0x0, 0x0},
- {18432000, 48000, 384, 0x0, 0x1, 0x0},
- {12000000, 48000, 250, 0x0, 0x0, 0x1},
+ {12288000, 48000, SSM2602_COEFF_SRATE(0x0, 0x0, 0x0)},
+ {18432000, 48000, SSM2602_COEFF_SRATE(0x0, 0x1, 0x0)},
+ {12000000, 48000, SSM2602_COEFF_SRATE(0x0, 0x0, 0x1)},
/* 32k */
- {12288000, 32000, 384, 0x6, 0x0, 0x0},
- {18432000, 32000, 576, 0x6, 0x1, 0x0},
- {12000000, 32000, 375, 0x6, 0x0, 0x1},
+ {12288000, 32000, SSM2602_COEFF_SRATE(0x6, 0x0, 0x0)},
+ {18432000, 32000, SSM2602_COEFF_SRATE(0x6, 0x1, 0x0)},
+ {12000000, 32000, SSM2602_COEFF_SRATE(0x6, 0x0, 0x1)},
+
+ /* 16k */
+ {12288000, 16000, SSM2602_COEFF_SRATE(0x5, 0x0, 0x0)},
+ {18432000, 16000, SSM2602_COEFF_SRATE(0x5, 0x1, 0x0)},
+ {12000000, 16000, SSM2602_COEFF_SRATE(0xa, 0x0, 0x1)},
/* 8k */
- {12288000, 8000, 1536, 0x3, 0x0, 0x0},
- {18432000, 8000, 2304, 0x3, 0x1, 0x0},
- {11289600, 8000, 1408, 0xb, 0x0, 0x0},
- {16934400, 8000, 2112, 0xb, 0x1, 0x0},
- {12000000, 8000, 1500, 0x3, 0x0, 0x1},
+ {12288000, 8000, SSM2602_COEFF_SRATE(0x3, 0x0, 0x0)},
+ {18432000, 8000, SSM2602_COEFF_SRATE(0x3, 0x1, 0x0)},
+ {11289600, 8000, SSM2602_COEFF_SRATE(0xb, 0x0, 0x0)},
+ {16934400, 8000, SSM2602_COEFF_SRATE(0xb, 0x1, 0x0)},
+ {12000000, 8000, SSM2602_COEFF_SRATE(0x3, 0x0, 0x1)},
/* 96k */
- {12288000, 96000, 128, 0x7, 0x0, 0x0},
- {18432000, 96000, 192, 0x7, 0x1, 0x0},
- {12000000, 96000, 125, 0x7, 0x0, 0x1},
+ {12288000, 96000, SSM2602_COEFF_SRATE(0x7, 0x0, 0x0)},
+ {18432000, 96000, SSM2602_COEFF_SRATE(0x7, 0x1, 0x0)},
+ {12000000, 96000, SSM2602_COEFF_SRATE(0x7, 0x0, 0x1)},
/* 44.1k */
- {11289600, 44100, 256, 0x8, 0x0, 0x0},
- {16934400, 44100, 384, 0x8, 0x1, 0x0},
- {12000000, 44100, 272, 0x8, 0x1, 0x1},
+ {11289600, 44100, SSM2602_COEFF_SRATE(0x8, 0x0, 0x0)},
+ {16934400, 44100, SSM2602_COEFF_SRATE(0x8, 0x1, 0x0)},
+ {12000000, 44100, SSM2602_COEFF_SRATE(0x8, 0x1, 0x1)},
/* 88.2k */
- {11289600, 88200, 128, 0xf, 0x0, 0x0},
- {16934400, 88200, 192, 0xf, 0x1, 0x0},
- {12000000, 88200, 136, 0xf, 0x1, 0x1},
+ {11289600, 88200, SSM2602_COEFF_SRATE(0xf, 0x0, 0x0)},
+ {16934400, 88200, SSM2602_COEFF_SRATE(0xf, 0x1, 0x0)},
+ {12000000, 88200, SSM2602_COEFF_SRATE(0xf, 0x1, 0x1)},
};
-static inline int get_coeff(int mclk, int rate)
+static inline int ssm2602_get_coeff(int mclk, int rate)
{
int i;
- for (i = 0; i < ARRAY_SIZE(coeff_div); i++) {
- if (coeff_div[i].rate == rate && coeff_div[i].mclk == mclk)
- return i;
+ for (i = 0; i < ARRAY_SIZE(ssm2602_coeff_table); i++) {
+ if (ssm2602_coeff_table[i].rate == rate &&
+ ssm2602_coeff_table[i].mclk == mclk)
+ return ssm2602_coeff_table[i].srate;
}
- return i;
+ return -EINVAL;
}
static int ssm2602_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
- u16 srate;
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_codec *codec = rtd->codec;
+ struct snd_soc_codec *codec = dai->codec;
struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
- struct i2c_client *i2c = codec->control_data;
- u16 iface = ssm2602_read_reg_cache(codec, SSM2602_IFACE) & 0xfff3;
- int i = get_coeff(ssm2602->sysclk, params_rate(params));
-
- if (substream == ssm2602->slave_substream) {
- dev_dbg(&i2c->dev, "Ignoring hw_params for slave substream\n");
- return 0;
- }
-
- /*no match is found*/
- if (i == ARRAY_SIZE(coeff_div))
- return -EINVAL;
+ int srate = ssm2602_get_coeff(ssm2602->sysclk, params_rate(params));
+ unsigned int iface;
- srate = (coeff_div[i].sr << 2) |
- (coeff_div[i].bosr << 1) | coeff_div[i].usb;
+ if (srate < 0)
+ return srate;
- ssm2602_write(codec, SSM2602_ACTIVE, 0);
- ssm2602_write(codec, SSM2602_SRATE, srate);
+ regmap_write(ssm2602->regmap, SSM2602_SRATE, srate);
/* bit size */
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S16_LE:
+ iface = 0x0;
break;
case SNDRV_PCM_FORMAT_S20_3LE:
- iface |= 0x0004;
+ iface = 0x4;
break;
case SNDRV_PCM_FORMAT_S24_LE:
- iface |= 0x0008;
+ iface = 0x8;
break;
case SNDRV_PCM_FORMAT_S32_LE:
- iface |= 0x000c;
+ iface = 0xc;
break;
+ default:
+ return -EINVAL;
}
- ssm2602_write(codec, SSM2602_IFACE, iface);
- ssm2602_write(codec, SSM2602_ACTIVE, ACTIVE_ACTIVATE_CODEC);
+ regmap_update_bits(ssm2602->regmap, SSM2602_IFACE,
+ IFACE_AUDIO_DATA_LEN, iface);
return 0;
}
static int ssm2602_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_codec *codec = rtd->codec;
+ struct snd_soc_codec *codec = dai->codec;
struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
- struct i2c_client *i2c = codec->control_data;
- struct snd_pcm_runtime *master_runtime;
-
- /* The DAI has shared clocks so if we already have a playback or
- * capture going then constrain this substream to match it.
- * TODO: the ssm2602 allows pairs of non-matching PB/REC rates
- */
- if (ssm2602->master_substream) {
- master_runtime = ssm2602->master_substream->runtime;
- dev_dbg(&i2c->dev, "Constraining to %d bits at %dHz\n",
- master_runtime->sample_bits,
- master_runtime->rate);
-
- if (master_runtime->rate != 0)
- snd_pcm_hw_constraint_minmax(substream->runtime,
- SNDRV_PCM_HW_PARAM_RATE,
- master_runtime->rate,
- master_runtime->rate);
-
- if (master_runtime->sample_bits != 0)
- snd_pcm_hw_constraint_minmax(substream->runtime,
- SNDRV_PCM_HW_PARAM_SAMPLE_BITS,
- master_runtime->sample_bits,
- master_runtime->sample_bits);
-
- ssm2602->slave_substream = substream;
- } else
- ssm2602->master_substream = substream;
-
- return 0;
-}
-static int ssm2602_pcm_prepare(struct snd_pcm_substream *substream,
- struct snd_soc_dai *dai)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_codec *codec = rtd->codec;
- /* set active */
- ssm2602_write(codec, SSM2602_ACTIVE, ACTIVE_ACTIVATE_CODEC);
+ if (ssm2602->sysclk_constraints) {
+ snd_pcm_hw_constraint_list(substream->runtime, 0,
+ SNDRV_PCM_HW_PARAM_RATE,
+ ssm2602->sysclk_constraints);
+ }
return 0;
}
-static void ssm2602_shutdown(struct snd_pcm_substream *substream,
- struct snd_soc_dai *dai)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_codec *codec = rtd->codec;
- struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
-
- /* deactivate */
- if (!codec->active)
- ssm2602_write(codec, SSM2602_ACTIVE, 0);
-
- if (ssm2602->master_substream == substream)
- ssm2602->master_substream = ssm2602->slave_substream;
-
- ssm2602->slave_substream = NULL;
-}
-
static int ssm2602_mute(struct snd_soc_dai *dai, int mute)
{
- struct snd_soc_codec *codec = dai->codec;
- u16 mute_reg = ssm2602_read_reg_cache(codec, SSM2602_APDIGI) & ~APDIGI_ENABLE_DAC_MUTE;
+ struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(dai->codec);
+
if (mute)
- ssm2602_write(codec, SSM2602_APDIGI,
- mute_reg | APDIGI_ENABLE_DAC_MUTE);
+ regmap_update_bits(ssm2602->regmap, SSM2602_APDIGI,
+ APDIGI_ENABLE_DAC_MUTE,
+ APDIGI_ENABLE_DAC_MUTE);
else
- ssm2602_write(codec, SSM2602_APDIGI, mute_reg);
+ regmap_update_bits(ssm2602->regmap, SSM2602_APDIGI,
+ APDIGI_ENABLE_DAC_MUTE, 0);
return 0;
}
@@ -399,23 +330,58 @@ static int ssm2602_set_dai_sysclk(struct snd_soc_dai *codec_dai,
{
struct snd_soc_codec *codec = codec_dai->codec;
struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
- switch (freq) {
- case 11289600:
- case 12000000:
- case 12288000:
- case 16934400:
- case 18432000:
+
+ if (dir == SND_SOC_CLOCK_IN) {
+ if (clk_id != SSM2602_SYSCLK)
+ return -EINVAL;
+
+ switch (freq) {
+ case 12288000:
+ case 18432000:
+ ssm2602->sysclk_constraints = &ssm2602_constraints_12288000;
+ break;
+ case 11289600:
+ case 16934400:
+ ssm2602->sysclk_constraints = &ssm2602_constraints_11289600;
+ break;
+ case 12000000:
+ ssm2602->sysclk_constraints = NULL;
+ break;
+ default:
+ return -EINVAL;
+ }
ssm2602->sysclk = freq;
- return 0;
+ } else {
+ unsigned int mask;
+
+ switch (clk_id) {
+ case SSM2602_CLK_CLKOUT:
+ mask = PWR_CLK_OUT_PDN;
+ break;
+ case SSM2602_CLK_XTO:
+ mask = PWR_OSC_PDN;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (freq == 0)
+ ssm2602->clk_out_pwr |= mask;
+ else
+ ssm2602->clk_out_pwr &= ~mask;
+
+ regmap_update_bits(ssm2602->regmap, SSM2602_PWR,
+ PWR_CLK_OUT_PDN | PWR_OSC_PDN, ssm2602->clk_out_pwr);
}
- return -EINVAL;
+
+ return 0;
}
static int ssm2602_set_dai_fmt(struct snd_soc_dai *codec_dai,
unsigned int fmt)
{
- struct snd_soc_codec *codec = codec_dai->codec;
- u16 iface = 0;
+ struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec_dai->codec);
+ unsigned int iface = 0;
/* set master/slave audio interface */
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
@@ -466,49 +432,52 @@ static int ssm2602_set_dai_fmt(struct snd_soc_dai *codec_dai,
}
/* set iface */
- ssm2602_write(codec, SSM2602_IFACE, iface);
+ regmap_write(ssm2602->regmap, SSM2602_IFACE, iface);
return 0;
}
static int ssm2602_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
- u16 reg = ssm2602_read_reg_cache(codec, SSM2602_PWR) & 0xff7f;
+ struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
switch (level) {
case SND_SOC_BIAS_ON:
- /* vref/mid, osc on, dac unmute */
- ssm2602_write(codec, SSM2602_PWR, reg);
+ /* vref/mid on, osc and clkout on if enabled */
+ regmap_update_bits(ssm2602->regmap, SSM2602_PWR,
+ PWR_POWER_OFF | PWR_CLK_OUT_PDN | PWR_OSC_PDN,
+ ssm2602->clk_out_pwr);
break;
case SND_SOC_BIAS_PREPARE:
break;
case SND_SOC_BIAS_STANDBY:
/* everything off except vref/vmid, */
- ssm2602_write(codec, SSM2602_PWR, reg | PWR_CLK_OUT_PDN);
+ regmap_update_bits(ssm2602->regmap, SSM2602_PWR,
+ PWR_POWER_OFF | PWR_CLK_OUT_PDN | PWR_OSC_PDN,
+ PWR_CLK_OUT_PDN | PWR_OSC_PDN);
break;
case SND_SOC_BIAS_OFF:
- /* everything off, dac mute, inactive */
- ssm2602_write(codec, SSM2602_ACTIVE, 0);
- ssm2602_write(codec, SSM2602_PWR, 0xffff);
+ /* everything off */
+ regmap_update_bits(ssm2602->regmap, SSM2602_PWR,
+ PWR_POWER_OFF, PWR_POWER_OFF);
break;
}
- codec->bias_level = level;
+ codec->dapm.bias_level = level;
return 0;
}
-#define SSM2602_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_32000 |\
- SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
- SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000)
+#define SSM2602_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\
+ SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
+ SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |\
+ SNDRV_PCM_RATE_96000)
#define SSM2602_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
-static struct snd_soc_dai_ops ssm2602_dai_ops = {
+static const struct snd_soc_dai_ops ssm2602_dai_ops = {
.startup = ssm2602_startup,
- .prepare = ssm2602_pcm_prepare,
.hw_params = ssm2602_hw_params,
- .shutdown = ssm2602_shutdown,
.digital_mute = ssm2602_mute,
.set_sysclk = ssm2602_set_dai_sysclk,
.set_fmt = ssm2602_set_dai_fmt,
@@ -529,9 +498,11 @@ static struct snd_soc_dai_driver ssm2602_dai = {
.rates = SSM2602_RATES,
.formats = SSM2602_FORMATS,},
.ops = &ssm2602_dai_ops,
+ .symmetric_rates = 1,
+ .symmetric_samplebits = 1,
};
-static int ssm2602_suspend(struct snd_soc_codec *codec, pm_message_t state)
+static int ssm2602_suspend(struct snd_soc_codec *codec)
{
ssm2602_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
@@ -539,52 +510,88 @@ static int ssm2602_suspend(struct snd_soc_codec *codec, pm_message_t state)
static int ssm2602_resume(struct snd_soc_codec *codec)
{
- int i;
- u8 data[2];
- u16 *cache = codec->reg_cache;
-
- /* Sync reg_cache with the hardware */
- for (i = 0; i < ARRAY_SIZE(ssm2602_reg); i++) {
- data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001);
- data[1] = cache[i] & 0x00ff;
- codec->hw_write(codec->control_data, data, 2);
- }
+ struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
+
+ regcache_sync(ssm2602->regmap);
ssm2602_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
+
return 0;
}
-static int ssm2602_probe(struct snd_soc_codec *codec)
+static int ssm2602_codec_probe(struct snd_soc_codec *codec)
{
struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
- int ret = 0, reg;
+ struct snd_soc_dapm_context *dapm = &codec->dapm;
+ int ret;
+
+ regmap_update_bits(ssm2602->regmap, SSM2602_LOUT1V,
+ LOUT1V_LRHP_BOTH, LOUT1V_LRHP_BOTH);
+ regmap_update_bits(ssm2602->regmap, SSM2602_ROUT1V,
+ ROUT1V_RLHP_BOTH, ROUT1V_RLHP_BOTH);
- pr_info("ssm2602 Audio Codec %s", SSM2602_VERSION);
+ ret = snd_soc_add_codec_controls(codec, ssm2602_snd_controls,
+ ARRAY_SIZE(ssm2602_snd_controls));
+ if (ret)
+ return ret;
- codec->control_data = ssm2602->control_data;
+ ret = snd_soc_dapm_new_controls(dapm, ssm2602_dapm_widgets,
+ ARRAY_SIZE(ssm2602_dapm_widgets));
+ if (ret)
+ return ret;
- ssm2602_reset(codec);
+ return snd_soc_dapm_add_routes(dapm, ssm2602_routes,
+ ARRAY_SIZE(ssm2602_routes));
+}
+
+static int ssm2604_codec_probe(struct snd_soc_codec *codec)
+{
+ struct snd_soc_dapm_context *dapm = &codec->dapm;
+ int ret;
+
+ ret = snd_soc_dapm_new_controls(dapm, ssm2604_dapm_widgets,
+ ARRAY_SIZE(ssm2604_dapm_widgets));
+ if (ret)
+ return ret;
+
+ return snd_soc_dapm_add_routes(dapm, ssm2604_routes,
+ ARRAY_SIZE(ssm2604_routes));
+}
+
+static int ssm260x_codec_probe(struct snd_soc_codec *codec)
+{
+ struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
+ int ret;
+
+ ret = regmap_write(ssm2602->regmap, SSM2602_RESET, 0);
+ if (ret < 0) {
+ dev_err(codec->dev, "Failed to issue reset: %d\n", ret);
+ return ret;
+ }
- /*power on device*/
- ssm2602_write(codec, SSM2602_ACTIVE, 0);
/* set the update bits */
- reg = ssm2602_read_reg_cache(codec, SSM2602_LINVOL);
- ssm2602_write(codec, SSM2602_LINVOL, reg | LINVOL_LRIN_BOTH);
- reg = ssm2602_read_reg_cache(codec, SSM2602_RINVOL);
- ssm2602_write(codec, SSM2602_RINVOL, reg | RINVOL_RLIN_BOTH);
- reg = ssm2602_read_reg_cache(codec, SSM2602_LOUT1V);
- ssm2602_write(codec, SSM2602_LOUT1V, reg | LOUT1V_LRHP_BOTH);
- reg = ssm2602_read_reg_cache(codec, SSM2602_ROUT1V);
- ssm2602_write(codec, SSM2602_ROUT1V, reg | ROUT1V_RLHP_BOTH);
+ regmap_update_bits(ssm2602->regmap, SSM2602_LINVOL,
+ LINVOL_LRIN_BOTH, LINVOL_LRIN_BOTH);
+ regmap_update_bits(ssm2602->regmap, SSM2602_RINVOL,
+ RINVOL_RLIN_BOTH, RINVOL_RLIN_BOTH);
/*select Line in as default input*/
- ssm2602_write(codec, SSM2602_APANA, APANA_SELECT_DAC |
+ regmap_write(ssm2602->regmap, SSM2602_APANA, APANA_SELECT_DAC |
APANA_ENABLE_MIC_BOOST);
- ssm2602_write(codec, SSM2602_PWR, 0);
- snd_soc_add_controls(codec, ssm2602_snd_controls,
- ARRAY_SIZE(ssm2602_snd_controls));
- ssm2602_add_widgets(codec);
+ switch (ssm2602->type) {
+ case SSM2602:
+ ret = ssm2602_codec_probe(codec);
+ break;
+ case SSM2604:
+ ret = ssm2604_codec_probe(codec);
+ break;
+ }
+
+ if (ret)
+ return ret;
+
+ ssm2602_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
- return ret;
+ return 0;
}
/* remove everything here */
@@ -595,94 +602,59 @@ static int ssm2602_remove(struct snd_soc_codec *codec)
}
static struct snd_soc_codec_driver soc_codec_dev_ssm2602 = {
- .probe = ssm2602_probe,
+ .probe = ssm260x_codec_probe,
.remove = ssm2602_remove,
.suspend = ssm2602_suspend,
.resume = ssm2602_resume,
- .read = ssm2602_read_reg_cache,
- .write = ssm2602_write,
.set_bias_level = ssm2602_set_bias_level,
- .reg_cache_size = sizeof(ssm2602_reg),
- .reg_word_size = sizeof(u16),
- .reg_cache_default = ssm2602_reg,
+
+ .controls = ssm260x_snd_controls,
+ .num_controls = ARRAY_SIZE(ssm260x_snd_controls),
+ .dapm_widgets = ssm260x_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(ssm260x_dapm_widgets),
+ .dapm_routes = ssm260x_routes,
+ .num_dapm_routes = ARRAY_SIZE(ssm260x_routes),
};
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
-/*
- * ssm2602 2 wire address is determined by GPIO5
- * state during powerup.
- * low = 0x1a
- * high = 0x1b
- */
-static int ssm2602_i2c_probe(struct i2c_client *i2c,
- const struct i2c_device_id *id)
+static bool ssm2602_register_volatile(struct device *dev, unsigned int reg)
{
- struct ssm2602_priv *ssm2602;
- int ret;
+ return reg == SSM2602_RESET;
+}
- ssm2602 = kzalloc(sizeof(struct ssm2602_priv), GFP_KERNEL);
- if (ssm2602 == NULL)
- return -ENOMEM;
+const struct regmap_config ssm2602_regmap_config = {
+ .val_bits = 9,
+ .reg_bits = 7,
- i2c_set_clientdata(i2c, ssm2602);
- ssm2602->control_data = i2c;
- ssm2602->control_type = SND_SOC_I2C;
+ .max_register = SSM2602_RESET,
+ .volatile_reg = ssm2602_register_volatile,
- ret = snd_soc_register_codec(&i2c->dev,
- &soc_codec_dev_ssm2602, &ssm2602_dai, 1);
- if (ret < 0)
- kfree(ssm2602);
- return ret;
-}
+ .cache_type = REGCACHE_RBTREE,
+ .reg_defaults_raw = ssm2602_reg,
+ .num_reg_defaults_raw = ARRAY_SIZE(ssm2602_reg),
+};
+EXPORT_SYMBOL_GPL(ssm2602_regmap_config);
-static int ssm2602_i2c_remove(struct i2c_client *client)
+int ssm2602_probe(struct device *dev, enum ssm2602_type type,
+ struct regmap *regmap)
{
- snd_soc_unregister_codec(&client->dev);
- kfree(i2c_get_clientdata(client));
- return 0;
-}
+ struct ssm2602_priv *ssm2602;
-static const struct i2c_device_id ssm2602_i2c_id[] = {
- { "ssm2602", 0 },
- { }
-};
-MODULE_DEVICE_TABLE(i2c, ssm2602_i2c_id);
-
-/* corgi i2c codec control layer */
-static struct i2c_driver ssm2602_i2c_driver = {
- .driver = {
- .name = "ssm2602-codec",
- .owner = THIS_MODULE,
- },
- .probe = ssm2602_i2c_probe,
- .remove = ssm2602_i2c_remove,
- .id_table = ssm2602_i2c_id,
-};
-#endif
+ if (IS_ERR(regmap))
+ return PTR_ERR(regmap);
+ ssm2602 = devm_kzalloc(dev, sizeof(*ssm2602), GFP_KERNEL);
+ if (ssm2602 == NULL)
+ return -ENOMEM;
-static int __init ssm2602_modinit(void)
-{
- int ret = 0;
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
- ret = i2c_add_driver(&ssm2602_i2c_driver);
- if (ret != 0) {
- printk(KERN_ERR "Failed to register SSM2602 I2C driver: %d\n",
- ret);
- }
-#endif
- return ret;
-}
-module_init(ssm2602_modinit);
+ dev_set_drvdata(dev, ssm2602);
+ ssm2602->type = SSM2602;
+ ssm2602->regmap = regmap;
-static void __exit ssm2602_exit(void)
-{
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
- i2c_del_driver(&ssm2602_i2c_driver);
-#endif
+ return snd_soc_register_codec(dev, &soc_codec_dev_ssm2602,
+ &ssm2602_dai, 1);
}
-module_exit(ssm2602_exit);
+EXPORT_SYMBOL_GPL(ssm2602_probe);
-MODULE_DESCRIPTION("ASoC ssm2602 driver");
+MODULE_DESCRIPTION("ASoC SSM2602/SSM2603/SSM2604 driver");
MODULE_AUTHOR("Cliff Cai");
MODULE_LICENSE("GPL");
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-05 08:50:33 +0000