| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Rajeev Kumar | 1353 | 91.42% | 2 | 18.18% |
| Kuninori Morimoto | 69 | 4.66% | 1 | 9.09% |
| Javier Martinez Canillas | 30 | 2.03% | 1 | 9.09% |
| Dan Carpenter | 10 | 0.68% | 1 | 9.09% |
| Axel Lin | 8 | 0.54% | 1 | 9.09% |
| Mark Brown | 6 | 0.41% | 2 | 18.18% |
| Lars-Peter Clausen | 3 | 0.20% | 2 | 18.18% |
| Sachin Kamat | 1 | 0.07% | 1 | 9.09% |
| Total | 1480 | 11 |
/* * 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) { 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, .digital_mute = sta529_mute, }; 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, .non_legacy_dai_naming = 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, const struct i2c_device_id *id) { 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 = 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");
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