diff options
Diffstat (limited to 'sound/soc/codecs/ssm2602.c')
| -rw-r--r-- | sound/soc/codecs/ssm2602.c | 345 |
1 files changed, 116 insertions, 229 deletions
diff --git a/sound/soc/codecs/ssm2602.c b/sound/soc/codecs/ssm2602.c index 333dd98af39..97b0454eb34 100644 --- a/sound/soc/codecs/ssm2602.c +++ b/sound/soc/codecs/ssm2602.c @@ -27,35 +27,22 @@ */ #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/spi/spi.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/initval.h> #include <sound/tlv.h> #include "ssm2602.h" -#define SSM2602_VERSION "0.1" - -enum ssm2602_type { - SSM2602, - SSM2604, -}; - /* codec private data */ struct ssm2602_priv { unsigned int sysclk; - enum snd_soc_control_type control_type; - 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; @@ -73,19 +60,19 @@ static const u16 ssm2602_reg[SSM2602_CACHEREGNUM] = { 0x0000, 0x0000 }; -#define ssm2602_reset(c) snd_soc_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 unsigned int ssm260x_outmix_tlv[] = { @@ -195,6 +182,24 @@ static const struct snd_soc_dapm_route ssm2604_routes[] = { {"ADC", NULL, "Line Input"}, }; +static const unsigned int ssm2602_rates_12288000[] = { + 8000, 16000, 32000, 48000, 96000, +}; + +static const struct snd_pcm_hw_constraint_list ssm2602_constraints_12288000 = { + .list = ssm2602_rates_12288000, + .count = ARRAY_SIZE(ssm2602_rates_12288000), +}; + +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; @@ -215,6 +220,11 @@ static const struct ssm2602_coeff ssm2602_coeff_table[] = { {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, SSM2602_COEFF_SRATE(0x3, 0x0, 0x0)}, {18432000, 8000, SSM2602_COEFF_SRATE(0x3, 0x1, 0x0)}, @@ -254,101 +264,63 @@ static int ssm2602_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, 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); - u16 iface = snd_soc_read(codec, SSM2602_IFACE) & 0xfff3; int srate = ssm2602_get_coeff(ssm2602->sysclk, params_rate(params)); - - if (substream == ssm2602->slave_substream) { - dev_dbg(codec->dev, "Ignoring hw_params for slave substream\n"); - return 0; - } + unsigned int iface; if (srate < 0) return srate; - snd_soc_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; } - snd_soc_write(codec, SSM2602_IFACE, iface); + 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 ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); - 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(codec->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 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 snd_soc_codec *codec = dai->codec; struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); - if (ssm2602->master_substream == substream) - ssm2602->master_substream = ssm2602->slave_substream; + if (ssm2602->sysclk_constraints) { + snd_pcm_hw_constraint_list(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_RATE, + ssm2602->sysclk_constraints); + } - ssm2602->slave_substream = NULL; + return 0; } - static int ssm2602_mute(struct snd_soc_dai *dai, int mute) { - struct snd_soc_codec *codec = dai->codec; + struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(dai->codec); if (mute) - snd_soc_update_bits(codec, SSM2602_APDIGI, + regmap_update_bits(ssm2602->regmap, SSM2602_APDIGI, APDIGI_ENABLE_DAC_MUTE, APDIGI_ENABLE_DAC_MUTE); else - snd_soc_update_bits(codec, SSM2602_APDIGI, + regmap_update_bits(ssm2602->regmap, SSM2602_APDIGI, APDIGI_ENABLE_DAC_MUTE, 0); return 0; } @@ -364,16 +336,21 @@ static int ssm2602_set_dai_sysclk(struct snd_soc_dai *codec_dai, return -EINVAL; switch (freq) { - case 11289600: - case 12000000: case 12288000: - case 16934400: case 18432000: - ssm2602->sysclk = freq; + 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; } else { unsigned int mask; @@ -393,7 +370,7 @@ static int ssm2602_set_dai_sysclk(struct snd_soc_dai *codec_dai, else ssm2602->clk_out_pwr &= ~mask; - snd_soc_update_bits(codec, SSM2602_PWR, + regmap_update_bits(ssm2602->regmap, SSM2602_PWR, PWR_CLK_OUT_PDN | PWR_OSC_PDN, ssm2602->clk_out_pwr); } @@ -403,8 +380,8 @@ static int ssm2602_set_dai_sysclk(struct snd_soc_dai *codec_dai, 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) { @@ -455,7 +432,7 @@ static int ssm2602_set_dai_fmt(struct snd_soc_dai *codec_dai, } /* set iface */ - snd_soc_write(codec, SSM2602_IFACE, iface); + regmap_write(ssm2602->regmap, SSM2602_IFACE, iface); return 0; } @@ -467,7 +444,7 @@ static int ssm2602_set_bias_level(struct snd_soc_codec *codec, switch (level) { case SND_SOC_BIAS_ON: /* vref/mid on, osc and clkout on if enabled */ - snd_soc_update_bits(codec, SSM2602_PWR, + regmap_update_bits(ssm2602->regmap, SSM2602_PWR, PWR_POWER_OFF | PWR_CLK_OUT_PDN | PWR_OSC_PDN, ssm2602->clk_out_pwr); break; @@ -475,13 +452,13 @@ static int ssm2602_set_bias_level(struct snd_soc_codec *codec, break; case SND_SOC_BIAS_STANDBY: /* everything off except vref/vmid, */ - snd_soc_update_bits(codec, SSM2602_PWR, + 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 */ - snd_soc_update_bits(codec, SSM2602_PWR, + regmap_update_bits(ssm2602->regmap, SSM2602_PWR, PWR_POWER_OFF, PWR_POWER_OFF); break; @@ -490,9 +467,10 @@ static int ssm2602_set_bias_level(struct snd_soc_codec *codec, 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) @@ -500,7 +478,6 @@ static int ssm2602_set_bias_level(struct snd_soc_codec *codec, static const struct snd_soc_dai_ops ssm2602_dai_ops = { .startup = ssm2602_startup, .hw_params = ssm2602_hw_params, - .shutdown = ssm2602_shutdown, .digital_mute = ssm2602_mute, .set_sysclk = ssm2602_set_dai_sysclk, .set_fmt = ssm2602_set_dai_fmt, @@ -521,6 +498,8 @@ 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) @@ -531,24 +510,26 @@ static int ssm2602_suspend(struct snd_soc_codec *codec) static int ssm2602_resume(struct snd_soc_codec *codec) { - snd_soc_cache_sync(codec); + 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); struct snd_soc_dapm_context *dapm = &codec->dapm; int ret; - snd_soc_update_bits(codec, SSM2602_LOUT1V, + regmap_update_bits(ssm2602->regmap, SSM2602_LOUT1V, LOUT1V_LRHP_BOTH, LOUT1V_LRHP_BOTH); - snd_soc_update_bits(codec, SSM2602_ROUT1V, + regmap_update_bits(ssm2602->regmap, SSM2602_ROUT1V, ROUT1V_RLHP_BOTH, ROUT1V_RLHP_BOTH); - ret = snd_soc_add_controls(codec, ssm2602_snd_controls, + ret = snd_soc_add_codec_controls(codec, ssm2602_snd_controls, ARRAY_SIZE(ssm2602_snd_controls)); if (ret) return ret; @@ -562,7 +543,7 @@ static int ssm2602_probe(struct snd_soc_codec *codec) ARRAY_SIZE(ssm2602_routes)); } -static int ssm2604_probe(struct snd_soc_codec *codec) +static int ssm2604_codec_probe(struct snd_soc_codec *codec) { struct snd_soc_dapm_context *dapm = &codec->dapm; int ret; @@ -576,40 +557,32 @@ static int ssm2604_probe(struct snd_soc_codec *codec) ARRAY_SIZE(ssm2604_routes)); } -static int ssm260x_probe(struct snd_soc_codec *codec) +static int ssm260x_codec_probe(struct snd_soc_codec *codec) { struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); int ret; - pr_info("ssm2602 Audio Codec %s", SSM2602_VERSION); - - ret = snd_soc_codec_set_cache_io(codec, 7, 9, ssm2602->control_type); - if (ret < 0) { - dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); - return ret; - } - - ret = ssm2602_reset(codec); + ret = regmap_write(ssm2602->regmap, SSM2602_RESET, 0); if (ret < 0) { dev_err(codec->dev, "Failed to issue reset: %d\n", ret); return ret; } /* set the update bits */ - snd_soc_update_bits(codec, SSM2602_LINVOL, + regmap_update_bits(ssm2602->regmap, SSM2602_LINVOL, LINVOL_LRIN_BOTH, LINVOL_LRIN_BOTH); - snd_soc_update_bits(codec, SSM2602_RINVOL, + regmap_update_bits(ssm2602->regmap, SSM2602_RINVOL, RINVOL_RLIN_BOTH, RINVOL_RLIN_BOTH); /*select Line in as default input*/ - snd_soc_write(codec, SSM2602_APANA, APANA_SELECT_DAC | + regmap_write(ssm2602->regmap, SSM2602_APANA, APANA_SELECT_DAC | APANA_ENABLE_MIC_BOOST); switch (ssm2602->type) { case SSM2602: - ret = ssm2602_probe(codec); + ret = ssm2602_codec_probe(codec); break; case SSM2604: - ret = ssm2604_probe(codec); + ret = ssm2604_codec_probe(codec); break; } @@ -629,14 +602,11 @@ static int ssm2602_remove(struct snd_soc_codec *codec) } static struct snd_soc_codec_driver soc_codec_dev_ssm2602 = { - .probe = ssm260x_probe, + .probe = ssm260x_codec_probe, .remove = ssm2602_remove, .suspend = ssm2602_suspend, .resume = ssm2602_resume, .set_bias_level = ssm2602_set_bias_level, - .reg_cache_size = ARRAY_SIZE(ssm2602_reg), - .reg_word_size = sizeof(u16), - .reg_cache_default = ssm2602_reg, .controls = ssm260x_snd_controls, .num_controls = ARRAY_SIZE(ssm260x_snd_controls), @@ -646,127 +616,44 @@ static struct snd_soc_codec_driver soc_codec_dev_ssm2602 = { .num_dapm_routes = ARRAY_SIZE(ssm260x_routes), }; -#if defined(CONFIG_SPI_MASTER) -static int __devinit ssm2602_spi_probe(struct spi_device *spi) +static bool ssm2602_register_volatile(struct device *dev, unsigned int reg) { - struct ssm2602_priv *ssm2602; - int ret; - - ssm2602 = devm_kzalloc(&spi->dev, sizeof(struct ssm2602_priv), - GFP_KERNEL); - if (ssm2602 == NULL) - return -ENOMEM; - - spi_set_drvdata(spi, ssm2602); - ssm2602->control_type = SND_SOC_SPI; - ssm2602->type = SSM2602; - - ret = snd_soc_register_codec(&spi->dev, - &soc_codec_dev_ssm2602, &ssm2602_dai, 1); - return ret; + return reg == SSM2602_RESET; } -static int __devexit ssm2602_spi_remove(struct spi_device *spi) -{ - snd_soc_unregister_codec(&spi->dev); - return 0; -} +const struct regmap_config ssm2602_regmap_config = { + .val_bits = 9, + .reg_bits = 7, -static struct spi_driver ssm2602_spi_driver = { - .driver = { - .name = "ssm2602", - .owner = THIS_MODULE, - }, - .probe = ssm2602_spi_probe, - .remove = __devexit_p(ssm2602_spi_remove), + .max_register = SSM2602_RESET, + .volatile_reg = ssm2602_register_volatile, + + .cache_type = REGCACHE_RBTREE, + .reg_defaults_raw = ssm2602_reg, + .num_reg_defaults_raw = ARRAY_SIZE(ssm2602_reg), }; -#endif +EXPORT_SYMBOL_GPL(ssm2602_regmap_config); -#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 __devinit ssm2602_i2c_probe(struct i2c_client *i2c, - const struct i2c_device_id *id) +int ssm2602_probe(struct device *dev, enum ssm2602_type type, + struct regmap *regmap) { struct ssm2602_priv *ssm2602; - int ret; - ssm2602 = devm_kzalloc(&i2c->dev, sizeof(struct ssm2602_priv), - GFP_KERNEL); + if (IS_ERR(regmap)) + return PTR_ERR(regmap); + + ssm2602 = devm_kzalloc(dev, sizeof(*ssm2602), GFP_KERNEL); if (ssm2602 == NULL) return -ENOMEM; - i2c_set_clientdata(i2c, ssm2602); - ssm2602->control_type = SND_SOC_I2C; - ssm2602->type = id->driver_data; - - ret = snd_soc_register_codec(&i2c->dev, - &soc_codec_dev_ssm2602, &ssm2602_dai, 1); - return ret; -} - -static int __devexit ssm2602_i2c_remove(struct i2c_client *client) -{ - snd_soc_unregister_codec(&client->dev); - return 0; -} - -static const struct i2c_device_id ssm2602_i2c_id[] = { - { "ssm2602", SSM2602 }, - { "ssm2603", SSM2602 }, - { "ssm2604", SSM2604 }, - { } -}; -MODULE_DEVICE_TABLE(i2c, ssm2602_i2c_id); - -/* corgi i2c codec control layer */ -static struct i2c_driver ssm2602_i2c_driver = { - .driver = { - .name = "ssm2602", - .owner = THIS_MODULE, - }, - .probe = ssm2602_i2c_probe, - .remove = __devexit_p(ssm2602_i2c_remove), - .id_table = ssm2602_i2c_id, -}; -#endif - - -static int __init ssm2602_modinit(void) -{ - int ret = 0; - -#if defined(CONFIG_SPI_MASTER) - ret = spi_register_driver(&ssm2602_spi_driver); - if (ret) - return ret; -#endif - -#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) - ret = i2c_add_driver(&ssm2602_i2c_driver); - if (ret) - return ret; -#endif - - return ret; -} -module_init(ssm2602_modinit); - -static void __exit ssm2602_exit(void) -{ -#if defined(CONFIG_SPI_MASTER) - spi_unregister_driver(&ssm2602_spi_driver); -#endif + dev_set_drvdata(dev, ssm2602); + ssm2602->type = SSM2602; + ssm2602->regmap = regmap; -#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/SSM2603/SSM2604 driver"); MODULE_AUTHOR("Cliff Cai"); |
