| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Kuninori Morimoto | 2288 | 71.23% | 25 | 54.35% |
| Mark Brown | 435 | 13.54% | 4 | 8.70% |
| Sascha Hauer | 228 | 7.10% | 4 | 8.70% |
| Takeshi Kihara | 93 | 2.90% | 1 | 2.17% |
| Axel Lin | 62 | 1.93% | 1 | 2.17% |
| Peter Ujfalusi | 45 | 1.40% | 1 | 2.17% |
| Liam Girdwood | 42 | 1.31% | 2 | 4.35% |
| Colin Ian King | 4 | 0.12% | 1 | 2.17% |
| Phil Edworthy | 4 | 0.12% | 1 | 2.17% |
| Paul Gortmaker | 3 | 0.09% | 1 | 2.17% |
| Tejun Heo | 3 | 0.09% | 1 | 2.17% |
| Kiran Padwal | 2 | 0.06% | 1 | 2.17% |
| Lars-Peter Clausen | 1 | 0.03% | 1 | 2.17% |
| Bhumika Goyal | 1 | 0.03% | 1 | 2.17% |
| Harunobu Kurokawa | 1 | 0.03% | 1 | 2.17% |
| Total | 3212 | 46 |
// SPDX-License-Identifier: GPL-2.0 // // ak4642.c -- AK4642/AK4643 ALSA Soc Audio driver // // Copyright (C) 2009 Renesas Solutions Corp. // Kuninori Morimoto <morimoto.kuninori@renesas.com> // // Based on wm8731.c by Richard Purdie // Based on ak4535.c by Richard Purdie // Based on wm8753.c by Liam Girdwood /* ** CAUTION ** * * This is very simple driver. * It can use headphone output / stereo input only * * AK4642 is tested. * AK4643 is tested. * AK4648 is tested. */ #include <linux/clk.h> #include <linux/clk-provider.h> #include <linux/delay.h> #include <linux/i2c.h> #include <linux/slab.h> #include <linux/of_device.h> #include <linux/module.h> #include <linux/regmap.h> #include <sound/soc.h> #include <sound/initval.h> #include <sound/tlv.h> #define PW_MGMT1 0x00 #define PW_MGMT2 0x01 #define SG_SL1 0x02 #define SG_SL2 0x03 #define MD_CTL1 0x04 #define MD_CTL2 0x05 #define TIMER 0x06 #define ALC_CTL1 0x07 #define ALC_CTL2 0x08 #define L_IVC 0x09 #define L_DVC 0x0a #define ALC_CTL3 0x0b #define R_IVC 0x0c #define R_DVC 0x0d #define MD_CTL3 0x0e #define MD_CTL4 0x0f #define PW_MGMT3 0x10 #define DF_S 0x11 #define FIL3_0 0x12 #define FIL3_1 0x13 #define FIL3_2 0x14 #define FIL3_3 0x15 #define EQ_0 0x16 #define EQ_1 0x17 #define EQ_2 0x18 #define EQ_3 0x19 #define EQ_4 0x1a #define EQ_5 0x1b #define FIL1_0 0x1c #define FIL1_1 0x1d #define FIL1_2 0x1e #define FIL1_3 0x1f /* The maximum valid register for ak4642 */ #define PW_MGMT4 0x20 #define MD_CTL5 0x21 #define LO_MS 0x22 #define HP_MS 0x23 #define SPK_MS 0x24 /* The maximum valid register for ak4643 */ #define EQ_FBEQAB 0x25 #define EQ_FBEQCD 0x26 #define EQ_FBEQE 0x27 /* The maximum valid register for ak4648 */ /* PW_MGMT1*/ #define PMVCM (1 << 6) /* VCOM Power Management */ #define PMMIN (1 << 5) /* MIN Input Power Management */ #define PMDAC (1 << 2) /* DAC Power Management */ #define PMADL (1 << 0) /* MIC Amp Lch and ADC Lch Power Management */ /* PW_MGMT2 */ #define HPMTN (1 << 6) #define PMHPL (1 << 5) #define PMHPR (1 << 4) #define MS (1 << 3) /* master/slave select */ #define MCKO (1 << 1) #define PMPLL (1 << 0) #define PMHP_MASK (PMHPL | PMHPR) #define PMHP PMHP_MASK /* PW_MGMT3 */ #define PMADR (1 << 0) /* MIC L / ADC R Power Management */ /* SG_SL1 */ #define MINS (1 << 6) /* Switch from MIN to Speaker */ #define DACL (1 << 4) /* Switch from DAC to Stereo or Receiver */ #define PMMP (1 << 2) /* MPWR pin Power Management */ #define MGAIN0 (1 << 0) /* MIC amp gain*/ /* SG_SL2 */ #define LOPS (1 << 6) /* Stero Line-out Power Save Mode */ /* TIMER */ #define ZTM(param) ((param & 0x3) << 4) /* ALC Zero Crossing TimeOut */ #define WTM(param) (((param & 0x4) << 4) | ((param & 0x3) << 2)) /* ALC_CTL1 */ #define ALC (1 << 5) /* ALC Enable */ #define LMTH0 (1 << 0) /* ALC Limiter / Recovery Level */ /* MD_CTL1 */ #define PLL3 (1 << 7) #define PLL2 (1 << 6) #define PLL1 (1 << 5) #define PLL0 (1 << 4) #define PLL_MASK (PLL3 | PLL2 | PLL1 | PLL0) #define BCKO_MASK (1 << 3) #define BCKO_64 BCKO_MASK #define DIF_MASK (3 << 0) #define DSP (0 << 0) #define RIGHT_J (1 << 0) #define LEFT_J (2 << 0) #define I2S (3 << 0) /* MD_CTL2 */ #define FSs(val) (((val & 0x7) << 0) | ((val & 0x8) << 2)) #define PSs(val) ((val & 0x3) << 6) /* MD_CTL3 */ #define BST1 (1 << 3) /* MD_CTL4 */ #define DACH (1 << 0) struct ak4642_drvdata { const struct regmap_config *regmap_config; int extended_frequencies; }; struct ak4642_priv { const struct ak4642_drvdata *drvdata; struct clk *mcko; }; /* * Playback Volume (table 39) * * max : 0x00 : +12.0 dB * ( 0.5 dB step ) * min : 0xFE : -115.0 dB * mute: 0xFF */ static const DECLARE_TLV_DB_SCALE(out_tlv, -11550, 50, 1); static const struct snd_kcontrol_new ak4642_snd_controls[] = { SOC_DOUBLE_R_TLV("Digital Playback Volume", L_DVC, R_DVC, 0, 0xFF, 1, out_tlv), SOC_SINGLE("ALC Capture Switch", ALC_CTL1, 5, 1, 0), SOC_SINGLE("ALC Capture ZC Switch", ALC_CTL1, 4, 1, 1), }; static const struct snd_kcontrol_new ak4642_headphone_control = SOC_DAPM_SINGLE("Switch", PW_MGMT2, 6, 1, 0); static const struct snd_kcontrol_new ak4642_lout_mixer_controls[] = { SOC_DAPM_SINGLE("DACL", SG_SL1, 4, 1, 0), }; /* event handlers */ static int ak4642_lout_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); switch (event) { case SND_SOC_DAPM_PRE_PMD: case SND_SOC_DAPM_PRE_PMU: /* Power save mode ON */ snd_soc_component_update_bits(component, SG_SL2, LOPS, LOPS); break; case SND_SOC_DAPM_POST_PMU: case SND_SOC_DAPM_POST_PMD: /* Power save mode OFF */ msleep(300); snd_soc_component_update_bits(component, SG_SL2, LOPS, 0); break; } return 0; } static const struct snd_soc_dapm_widget ak4642_dapm_widgets[] = { /* Outputs */ SND_SOC_DAPM_OUTPUT("HPOUTL"), SND_SOC_DAPM_OUTPUT("HPOUTR"), SND_SOC_DAPM_OUTPUT("LINEOUT"), SND_SOC_DAPM_PGA("HPL Out", PW_MGMT2, 5, 0, NULL, 0), SND_SOC_DAPM_PGA("HPR Out", PW_MGMT2, 4, 0, NULL, 0), SND_SOC_DAPM_SWITCH("Headphone Enable", SND_SOC_NOPM, 0, 0, &ak4642_headphone_control), SND_SOC_DAPM_PGA("DACH", MD_CTL4, 0, 0, NULL, 0), SND_SOC_DAPM_MIXER_E("LINEOUT Mixer", PW_MGMT1, 3, 0, &ak4642_lout_mixer_controls[0], ARRAY_SIZE(ak4642_lout_mixer_controls), ak4642_lout_event, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD), /* DAC */ SND_SOC_DAPM_DAC("DAC", NULL, PW_MGMT1, 2, 0), }; static const struct snd_soc_dapm_route ak4642_intercon[] = { /* Outputs */ {"HPOUTL", NULL, "HPL Out"}, {"HPOUTR", NULL, "HPR Out"}, {"LINEOUT", NULL, "LINEOUT Mixer"}, {"HPL Out", NULL, "Headphone Enable"}, {"HPR Out", NULL, "Headphone Enable"}, {"Headphone Enable", "Switch", "DACH"}, {"DACH", NULL, "DAC"}, {"LINEOUT Mixer", "DACL", "DAC"}, { "DAC", NULL, "Playback" }, }; /* * ak4642 register cache */ static const struct reg_default ak4643_reg[] = { { 0, 0x00 }, { 1, 0x00 }, { 2, 0x01 }, { 3, 0x00 }, { 4, 0x02 }, { 5, 0x00 }, { 6, 0x00 }, { 7, 0x00 }, { 8, 0xe1 }, { 9, 0xe1 }, { 10, 0x18 }, { 11, 0x00 }, { 12, 0xe1 }, { 13, 0x18 }, { 14, 0x11 }, { 15, 0x08 }, { 16, 0x00 }, { 17, 0x00 }, { 18, 0x00 }, { 19, 0x00 }, { 20, 0x00 }, { 21, 0x00 }, { 22, 0x00 }, { 23, 0x00 }, { 24, 0x00 }, { 25, 0x00 }, { 26, 0x00 }, { 27, 0x00 }, { 28, 0x00 }, { 29, 0x00 }, { 30, 0x00 }, { 31, 0x00 }, { 32, 0x00 }, { 33, 0x00 }, { 34, 0x00 }, { 35, 0x00 }, { 36, 0x00 }, }; /* The default settings for 0x0 ~ 0x1f registers are the same for ak4642 and ak4643. So we reuse the ak4643 reg_default for ak4642. The valid registers for ak4642 are 0x0 ~ 0x1f which is a subset of ak4643, so define NUM_AK4642_REG_DEFAULTS for ak4642. */ #define ak4642_reg ak4643_reg #define NUM_AK4642_REG_DEFAULTS (FIL1_3 + 1) static const struct reg_default ak4648_reg[] = { { 0, 0x00 }, { 1, 0x00 }, { 2, 0x01 }, { 3, 0x00 }, { 4, 0x02 }, { 5, 0x00 }, { 6, 0x00 }, { 7, 0x00 }, { 8, 0xe1 }, { 9, 0xe1 }, { 10, 0x18 }, { 11, 0x00 }, { 12, 0xe1 }, { 13, 0x18 }, { 14, 0x11 }, { 15, 0xb8 }, { 16, 0x00 }, { 17, 0x00 }, { 18, 0x00 }, { 19, 0x00 }, { 20, 0x00 }, { 21, 0x00 }, { 22, 0x00 }, { 23, 0x00 }, { 24, 0x00 }, { 25, 0x00 }, { 26, 0x00 }, { 27, 0x00 }, { 28, 0x00 }, { 29, 0x00 }, { 30, 0x00 }, { 31, 0x00 }, { 32, 0x00 }, { 33, 0x00 }, { 34, 0x00 }, { 35, 0x00 }, { 36, 0x00 }, { 37, 0x88 }, { 38, 0x88 }, { 39, 0x08 }, }; static int ak4642_dai_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { int is_play = substream->stream == SNDRV_PCM_STREAM_PLAYBACK; struct snd_soc_component *component = dai->component; if (is_play) { /* * start headphone output * * PLL, Master Mode * Audio I/F Format :MSB justified (ADC & DAC) * Bass Boost Level : Middle * * This operation came from example code of * "ASAHI KASEI AK4642" (japanese) manual p97. */ snd_soc_component_write(component, L_IVC, 0x91); /* volume */ snd_soc_component_write(component, R_IVC, 0x91); /* volume */ } else { /* * start stereo input * * PLL Master Mode * Audio I/F Format:MSB justified (ADC & DAC) * Pre MIC AMP:+20dB * MIC Power On * ALC setting:Refer to Table 35 * ALC bit=“1” * * This operation came from example code of * "ASAHI KASEI AK4642" (japanese) manual p94. */ snd_soc_component_update_bits(component, SG_SL1, PMMP | MGAIN0, PMMP | MGAIN0); snd_soc_component_write(component, TIMER, ZTM(0x3) | WTM(0x3)); snd_soc_component_write(component, ALC_CTL1, ALC | LMTH0); snd_soc_component_update_bits(component, PW_MGMT1, PMADL, PMADL); snd_soc_component_update_bits(component, PW_MGMT3, PMADR, PMADR); } return 0; } static void ak4642_dai_shutdown(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { int is_play = substream->stream == SNDRV_PCM_STREAM_PLAYBACK; struct snd_soc_component *component = dai->component; if (is_play) { } else { /* stop stereo input */ snd_soc_component_update_bits(component, PW_MGMT1, PMADL, 0); snd_soc_component_update_bits(component, PW_MGMT3, PMADR, 0); snd_soc_component_update_bits(component, ALC_CTL1, ALC, 0); } } static int ak4642_dai_set_sysclk(struct snd_soc_dai *codec_dai, int clk_id, unsigned int freq, int dir) { struct snd_soc_component *component = codec_dai->component; struct ak4642_priv *priv = snd_soc_component_get_drvdata(component); u8 pll; int extended_freq = 0; switch (freq) { case 11289600: pll = PLL2; break; case 12288000: pll = PLL2 | PLL0; break; case 12000000: pll = PLL2 | PLL1; break; case 24000000: pll = PLL2 | PLL1 | PLL0; break; case 13500000: pll = PLL3 | PLL2; break; case 27000000: pll = PLL3 | PLL2 | PLL0; break; case 19200000: pll = PLL3; extended_freq = 1; break; case 13000000: pll = PLL3 | PLL2 | PLL1; extended_freq = 1; break; case 26000000: pll = PLL3 | PLL2 | PLL1 | PLL0; extended_freq = 1; break; default: return -EINVAL; } if (extended_freq && !priv->drvdata->extended_frequencies) return -EINVAL; snd_soc_component_update_bits(component, MD_CTL1, PLL_MASK, pll); return 0; } static int ak4642_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) { struct snd_soc_component *component = dai->component; u8 data; u8 bcko; data = MCKO | PMPLL; /* use MCKO */ bcko = 0; /* set master/slave audio interface */ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { case SND_SOC_DAIFMT_CBM_CFM: data |= MS; bcko = BCKO_64; break; case SND_SOC_DAIFMT_CBS_CFS: break; default: return -EINVAL; } snd_soc_component_update_bits(component, PW_MGMT2, MS | MCKO | PMPLL, data); snd_soc_component_update_bits(component, MD_CTL1, BCKO_MASK, bcko); /* format type */ data = 0; switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { case SND_SOC_DAIFMT_LEFT_J: data = LEFT_J; break; case SND_SOC_DAIFMT_I2S: data = I2S; break; /* FIXME * Please add RIGHT_J / DSP support here */ default: return -EINVAL; } snd_soc_component_update_bits(component, MD_CTL1, DIF_MASK, data); return 0; } static int ak4642_set_mcko(struct snd_soc_component *component, u32 frequency) { static const u32 fs_list[] = { [0] = 8000, [1] = 12000, [2] = 16000, [3] = 24000, [4] = 7350, [5] = 11025, [6] = 14700, [7] = 22050, [10] = 32000, [11] = 48000, [14] = 29400, [15] = 44100, }; static const u32 ps_list[] = { [0] = 256, [1] = 128, [2] = 64, [3] = 32 }; int ps, fs; for (ps = 0; ps < ARRAY_SIZE(ps_list); ps++) { for (fs = 0; fs < ARRAY_SIZE(fs_list); fs++) { if (frequency == ps_list[ps] * fs_list[fs]) { snd_soc_component_write(component, MD_CTL2, PSs(ps) | FSs(fs)); return 0; } } } return 0; } static int ak4642_dai_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; struct ak4642_priv *priv = snd_soc_component_get_drvdata(component); u32 rate = clk_get_rate(priv->mcko); if (!rate) rate = params_rate(params) * 256; return ak4642_set_mcko(component, rate); } static int ak4642_set_bias_level(struct snd_soc_component *component, enum snd_soc_bias_level level) { switch (level) { case SND_SOC_BIAS_OFF: snd_soc_component_write(component, PW_MGMT1, 0x00); break; default: snd_soc_component_update_bits(component, PW_MGMT1, PMVCM, PMVCM); break; } return 0; } static const struct snd_soc_dai_ops ak4642_dai_ops = { .startup = ak4642_dai_startup, .shutdown = ak4642_dai_shutdown, .set_sysclk = ak4642_dai_set_sysclk, .set_fmt = ak4642_dai_set_fmt, .hw_params = ak4642_dai_hw_params, }; static struct snd_soc_dai_driver ak4642_dai = { .name = "ak4642-hifi", .playback = { .stream_name = "Playback", .channels_min = 2, .channels_max = 2, .rates = SNDRV_PCM_RATE_8000_48000, .formats = SNDRV_PCM_FMTBIT_S16_LE }, .capture = { .stream_name = "Capture", .channels_min = 2, .channels_max = 2, .rates = SNDRV_PCM_RATE_8000_48000, .formats = SNDRV_PCM_FMTBIT_S16_LE }, .ops = &ak4642_dai_ops, .symmetric_rates = 1, }; static int ak4642_suspend(struct snd_soc_component *component) { struct regmap *regmap = dev_get_regmap(component->dev, NULL); regcache_cache_only(regmap, true); regcache_mark_dirty(regmap); return 0; } static int ak4642_resume(struct snd_soc_component *component) { struct regmap *regmap = dev_get_regmap(component->dev, NULL); regcache_cache_only(regmap, false); regcache_sync(regmap); return 0; } static int ak4642_probe(struct snd_soc_component *component) { struct ak4642_priv *priv = snd_soc_component_get_drvdata(component); if (priv->mcko) ak4642_set_mcko(component, clk_get_rate(priv->mcko)); return 0; } static const struct snd_soc_component_driver soc_component_dev_ak4642 = { .probe = ak4642_probe, .suspend = ak4642_suspend, .resume = ak4642_resume, .set_bias_level = ak4642_set_bias_level, .controls = ak4642_snd_controls, .num_controls = ARRAY_SIZE(ak4642_snd_controls), .dapm_widgets = ak4642_dapm_widgets, .num_dapm_widgets = ARRAY_SIZE(ak4642_dapm_widgets), .dapm_routes = ak4642_intercon, .num_dapm_routes = ARRAY_SIZE(ak4642_intercon), .idle_bias_on = 1, .endianness = 1, .non_legacy_dai_naming = 1, }; static const struct regmap_config ak4642_regmap = { .reg_bits = 8, .val_bits = 8, .max_register = FIL1_3, .reg_defaults = ak4642_reg, .num_reg_defaults = NUM_AK4642_REG_DEFAULTS, .cache_type = REGCACHE_RBTREE, }; static const struct regmap_config ak4643_regmap = { .reg_bits = 8, .val_bits = 8, .max_register = SPK_MS, .reg_defaults = ak4643_reg, .num_reg_defaults = ARRAY_SIZE(ak4643_reg), .cache_type = REGCACHE_RBTREE, }; static const struct regmap_config ak4648_regmap = { .reg_bits = 8, .val_bits = 8, .max_register = EQ_FBEQE, .reg_defaults = ak4648_reg, .num_reg_defaults = ARRAY_SIZE(ak4648_reg), .cache_type = REGCACHE_RBTREE, }; static const struct ak4642_drvdata ak4642_drvdata = { .regmap_config = &ak4642_regmap, }; static const struct ak4642_drvdata ak4643_drvdata = { .regmap_config = &ak4643_regmap, }; static const struct ak4642_drvdata ak4648_drvdata = { .regmap_config = &ak4648_regmap, .extended_frequencies = 1, }; #ifdef CONFIG_COMMON_CLK static struct clk *ak4642_of_parse_mcko(struct device *dev) { struct device_node *np = dev->of_node; struct clk *clk; const char *clk_name = np->name; const char *parent_clk_name = NULL; u32 rate; if (of_property_read_u32(np, "clock-frequency", &rate)) return NULL; if (of_property_read_bool(np, "clocks")) parent_clk_name = of_clk_get_parent_name(np, 0); of_property_read_string(np, "clock-output-names", &clk_name); clk = clk_register_fixed_rate(dev, clk_name, parent_clk_name, 0, rate); if (!IS_ERR(clk)) of_clk_add_provider(np, of_clk_src_simple_get, clk); return clk; } #else #define ak4642_of_parse_mcko(d) 0 #endif static const struct of_device_id ak4642_of_match[]; static int ak4642_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id) { struct device *dev = &i2c->dev; struct device_node *np = dev->of_node; const struct ak4642_drvdata *drvdata = NULL; struct regmap *regmap; struct ak4642_priv *priv; struct clk *mcko = NULL; if (np) { const struct of_device_id *of_id; mcko = ak4642_of_parse_mcko(dev); if (IS_ERR(mcko)) mcko = NULL; of_id = of_match_device(ak4642_of_match, dev); if (of_id) drvdata = of_id->data; } else { drvdata = (const struct ak4642_drvdata *)id->driver_data; } if (!drvdata) { dev_err(dev, "Unknown device type\n"); return -EINVAL; } priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; priv->drvdata = drvdata; priv->mcko = mcko; i2c_set_clientdata(i2c, priv); regmap = devm_regmap_init_i2c(i2c, drvdata->regmap_config); if (IS_ERR(regmap)) return PTR_ERR(regmap); return devm_snd_soc_register_component(dev, &soc_component_dev_ak4642, &ak4642_dai, 1); } static const struct of_device_id ak4642_of_match[] = { { .compatible = "asahi-kasei,ak4642", .data = &ak4642_drvdata}, { .compatible = "asahi-kasei,ak4643", .data = &ak4643_drvdata}, { .compatible = "asahi-kasei,ak4648", .data = &ak4648_drvdata}, {}, }; MODULE_DEVICE_TABLE(of, ak4642_of_match); static const struct i2c_device_id ak4642_i2c_id[] = { { "ak4642", (kernel_ulong_t)&ak4642_drvdata }, { "ak4643", (kernel_ulong_t)&ak4643_drvdata }, { "ak4648", (kernel_ulong_t)&ak4648_drvdata }, { } }; MODULE_DEVICE_TABLE(i2c, ak4642_i2c_id); static struct i2c_driver ak4642_i2c_driver = { .driver = { .name = "ak4642-codec", .of_match_table = ak4642_of_match, }, .probe = ak4642_i2c_probe, .id_table = ak4642_i2c_id, }; module_i2c_driver(ak4642_i2c_driver); MODULE_DESCRIPTION("Soc AK4642 driver"); MODULE_AUTHOR("Kuninori Morimoto <morimoto.kuninori@renesas.com>"); MODULE_LICENSE("GPL v2");
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