diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index 3903ab7..468536d 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -44,3 +44,7 @@ config SND_SOC_CS4270_VD33_ERRATA config SND_SOC_TLV320AIC3X tristate depends on SND_SOC && I2C + +config SND_SOC_TWL4030 + tristate + depends on SND_SOC && I2C diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile index 4e1314c..d2c0b12 100644 --- a/sound/soc/codecs/Makefile +++ b/sound/soc/codecs/Makefile @@ -6,6 +6,7 @@ snd-soc-wm9712-objs := wm9712.o snd-soc-wm9713-objs := wm9713.o snd-soc-cs4270-objs := cs4270.o snd-soc-tlv320aic3x-objs := tlv320aic3x.o +snd-soc-twl4030-objs := twl4030.o obj-$(CONFIG_SND_SOC_AC97_CODEC) += snd-soc-ac97.o obj-$(CONFIG_SND_SOC_WM8731) += snd-soc-wm8731.o @@ -15,3 +16,4 @@ obj-$(CONFIG_SND_SOC_WM9712) += snd-soc-wm9712.o obj-$(CONFIG_SND_SOC_WM9713) += snd-soc-wm9713.o obj-$(CONFIG_SND_SOC_CS4270) += snd-soc-cs4270.o obj-$(CONFIG_SND_SOC_TLV320AIC3X) += snd-soc-tlv320aic3x.o +obj-$(CONFIG_SND_SOC_TWL4030) += snd-soc-twl4030.o diff --git a/sound/soc/codecs/twl4030.c b/sound/soc/codecs/twl4030.c new file mode 100644 index 0000000..eb8370c --- /dev/null +++ b/sound/soc/codecs/twl4030.c @@ -0,0 +1,625 @@ +/* + * ALSA SoC TWL4030 codec driver + * + * Author: Steve Sakoman, + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "twl4030.h" + +/* + * twl4030 register cache & default register settings + */ +static const u8 twl4030_reg[TWL4030_CACHEREGNUM] = { + 0x00, // this register not used + 0x93, // REG_CODEC_MODE (0x1) + 0xc3, // REG_OPTION (0x2) + 0x00, // REG_UNKNOWN (0x3) + 0x00, // REG_MICBIAS_CTL (0x4) + 0x34, // REG_ANAMICL (0x5) + 0x14, // REG_ANAMICR (0x6) + 0x0a, // REG_AVADC_CTL (0x7) + 0x00, // REG_ADCMICSEL (0x8) + 0x00, // REG_DIGMIXING (0x9) + 0x0c, // REG_ATXL1PGA (0xA) + 0x0c, // REG_ATXR1PGA (0xB) + 0x00, // REG_AVTXL2PGA (0xC) + 0x00, // REG_AVTXR2PGA (0xD) + 0x01, // REG_AUDIO_IF (0xE) + 0x00, // REG_VOICE_IF (0xF) + 0x00, // REG_ARXR1PGA (0x10) + 0x00, // REG_ARXL1PGA (0x11) + 0x6c, // REG_ARXR2PGA (0x12) + 0x6c, // REG_ARXL2PGA (0x13) + 0x00, // REG_VRXPGA (0x14) + 0x00, // REG_VSTPGA (0x15) + 0x00, // REG_VRX2ARXPGA (0x16) + 0x0c, // REG_AVDAC_CTL (0x17) + 0x00, // REG_ARX2VTXPGA (0x18) + 0x00, // REG_ARXL1_APGA_CTL (0x19) + 0x00, // REG_ARXR1_APGA_CTL (0x1A) + 0x4b, // REG_ARXL2_APGA_CTL (0x1B) + 0x4b, // REG_ARXR2_APGA_CTL (0x1C) + 0x00, // REG_ATX2ARXPGA (0x1D) + 0x00, // REG_BT_IF (0x1E) + 0x00, // REG_BTPGA (0x1F) + 0x00, // REG_BTSTPGA (0x20) + 0x00, // REG_EAR_CTL (0x21) + 0x24, // REG_HS_SEL (0x22) + 0x0a, // REG_HS_GAIN_SET (0x23) + 0x00, // REG_HS_POPN_SET (0x24) + 0x00, // REG_PREDL_CTL (0x25) + 0x00, // REG_PREDR_CTL (0x26) + 0x00, // REG_PRECKL_CTL (0x27) + 0x00, // REG_PRECKR_CTL (0x28) + 0x00, // REG_HFL_CTL (0x29) + 0x00, // REG_HFR_CTL (0x2A) + 0x00, // REG_ALC_CTL (0x2B) + 0x00, // REG_ALC_SET1 (0x2C) + 0x00, // REG_ALC_SET2 (0x2D) + 0x00, // REG_BOOST_CTL (0x2E) + 0x01, // REG_SOFTVOL_CTL (0x2F) + 0x00, // REG_DTMF_FREQSEL (0x30) + 0x00, // REG_DTMF_TONEXT1H (0x31) + 0x00, // REG_DTMF_TONEXT1L (0x32) + 0x00, // REG_DTMF_TONEXT2H (0x33) + 0x00, // REG_DTMF_TONEXT2L (0x34) + 0x00, // REG_DTMF_TONOFF (0x35) + 0x00, // REG_DTMF_WANONOFF (0x36) + 0x00, // REG_I2S_RX_SCRAMBLE_H (0x37) + 0x00, // REG_I2S_RX_SCRAMBLE_M (0x38) + 0x00, // REG_I2S_RX_SCRAMBLE_L (0x39) + 0x16, // REG_APLL_CTL (0x3A) + 0x00, // REG_DTMF_CTL (0x3B) + 0x00, // REG_DTMF_PGA_CTL2 (0x3C) + 0x00, // REG_DTMF_PGA_CTL1 (0x3D) + 0x00, // REG_MISC_SET_1 (0x3E) + 0x00, // REG_PCMBTMUX (0x3F) + 0x00, // REG_RX_PATH_SEL (0x43) + 0x00, // REG_VDL_APGA_CTL (0x44) + 0x00, // REG_VIBRA_CTL (0x45) + 0x00, // REG_VIBRA_SET (0x46) + 0x00, // REG_VIBRA_PWM_SET (0x47) + 0x00, // REG_ANAMIC_GAIN (0x48) + 0x00, // REG_MISC_SET_2 (0x49) +}; + +static void twl4030_dump_registers(void) +{ + int i = 0; + u8 data; + + printk(KERN_INFO "TWL 4030 Register dump for Audio Module\n"); + + for (i = REG_CODEC_MODE; i <= REG_MISC_SET_2; i++) { + twl4030_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &data, i); + printk(KERN_INFO "Register[0x%02x]=0x%02x\n", i, data); + } +} + +struct twl4030_priv { + unsigned int dummy; +}; + +/* + * read twl4030 register cache + */ +static inline unsigned int twl4030_read_reg_cache(struct snd_soc_codec *codec, + unsigned int reg) +{ + u8 *cache = codec->reg_cache; + + return cache[reg]; +} + +/* + * write twl4030 register cache + */ +static inline void twl4030_write_reg_cache(struct snd_soc_codec *codec, + u8 reg, u8 value) +{ + u8 *cache = codec->reg_cache; + + if (reg >= TWL4030_CACHEREGNUM) + return; + cache[reg] = value; +} + +/* + * write to the twl4030 register space + */ +static int twl4030_write(struct snd_soc_codec *codec, + unsigned int reg, unsigned int value) +{ + twl4030_write_reg_cache(codec, reg, value); + return twl4030_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, value, reg); +} + +static void twl4030_init_chip(void) +{ + unsigned char byte; + int i; + + twl4030_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, + twl4030_reg[REG_CODEC_MODE] & 0xfd, REG_CODEC_MODE); + + udelay(10); /* delay for power settling */ + + for (i = REG_OPTION; i <= REG_MISC_SET_2; i++) { + twl4030_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, twl4030_reg[i], i); + } + + twl4030_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, + twl4030_reg[REG_CODEC_MODE], REG_CODEC_MODE); + + udelay(10); /* delay for power settling */ + + /* initiate offset cancellation */ + twl4030_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, + twl4030_reg[REG_ANAMICL] | 0x80, REG_ANAMICL); + + /* wait for offset cancellation to complete */ + twl4030_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &byte, REG_ANAMICL); + while ((byte & 0x80) == 0x80) + twl4030_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &byte, REG_ANAMICL); + + twl4030_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, + twl4030_reg[REG_MISC_SET_1] | 0x02, REG_MISC_SET_1); + +} + +static const struct snd_kcontrol_new twl4030_snd_controls[] = { + SOC_DOUBLE_R("Master Playback Volume", + REG_ARXL2PGA, REG_ARXR2PGA, + 0, 127, 0), + SOC_DOUBLE_R("Capture Volume", + REG_ATXL1PGA, REG_ATXR1PGA, + 0, 127, 0), +}; + +/* add non dapm controls */ +static int twl4030_add_controls(struct snd_soc_codec *codec) +{ + int err, i; + + for (i = 0; i < ARRAY_SIZE(twl4030_snd_controls); i++) { + err = snd_ctl_add(codec->card, + snd_soc_cnew(&twl4030_snd_controls[i], + codec, NULL)); + if (err < 0) + return err; + } + + return 0; +} + +static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = { + SND_SOC_DAPM_INPUT("INL"), + SND_SOC_DAPM_INPUT("INR"), + + SND_SOC_DAPM_OUTPUT("OUTL"), + SND_SOC_DAPM_OUTPUT("OUTR"), + + SND_SOC_DAPM_DAC("DACL", "Left Playback", SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_DAC("DACR", "Right Playback", SND_SOC_NOPM, 0, 0), + + SND_SOC_DAPM_ADC("ADCL", "Left Capture", SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_ADC("ADCR", "Right Capture", SND_SOC_NOPM, 0, 0), +}; + +static const char *intercon[][3] = { + /* outputs */ + {"OUTL", NULL, "DACL"}, + {"OUTR", NULL, "DACR"}, + + /* inputs */ + {"ADCL", NULL, "INL"}, + {"ADCR", NULL, "INR"}, + + /* terminator */ + {NULL, NULL, NULL}, +}; + +static int twl4030_add_widgets(struct snd_soc_codec *codec) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(twl4030_dapm_widgets); i++) + snd_soc_dapm_new_control(codec, &twl4030_dapm_widgets[i]); + + /* set up audio path interconnects */ + for (i = 0; intercon[i][0] != NULL; i++) + snd_soc_dapm_connect_input(codec, intercon[i][0], + intercon[i][1], intercon[i][2]); + + snd_soc_dapm_new_widgets(codec); + return 0; +} + +static int twl4030_dapm_event(struct snd_soc_codec *codec, int event) +{ + + printk(KERN_INFO "TWL4030 Audio Codec dapm event\n"); + switch (event) { + case SNDRV_CTL_POWER_D0: /* full On */ + break; + case SNDRV_CTL_POWER_D1: /* partial On */ + case SNDRV_CTL_POWER_D2: /* partial On */ + break; + case SNDRV_CTL_POWER_D3hot: /* off, with power */ + break; + case SNDRV_CTL_POWER_D3cold: /* off, without power */ + break; + } + codec->dapm_state = event; + + return 0; +} + +static void twl4030_power_up (struct snd_soc_codec *codec, u8 mode) +{ + u8 popn, hsgain; + + twl4030_write(codec, REG_CODEC_MODE, mode & ~CODECPDZ); + twl4030_write(codec, REG_CODEC_MODE, mode | CODECPDZ); + udelay(10); + + popn = twl4030_read_reg_cache(codec, REG_HS_POPN_SET); + popn &= RAMP_DELAY; + popn |= VMID_EN | RAMP_DELAY_161MS; + twl4030_write(codec, REG_HS_POPN_SET, popn); + + hsgain = HSR_GAIN_0DB| HSL_GAIN_0DB; + twl4030_write(codec, REG_HS_GAIN_SET, hsgain); + + popn |= RAMP_EN; + twl4030_write(codec, REG_HS_POPN_SET, popn); +} + +static void twl4030_power_down (struct snd_soc_codec *codec) +{ + u8 popn, hsgain, mode; + + popn = twl4030_read_reg_cache(codec, REG_HS_POPN_SET); + popn &= ~RAMP_EN; + twl4030_write(codec, REG_HS_POPN_SET, popn); + + hsgain = HSR_GAIN_PWR_DOWN | HSL_GAIN_PWR_DOWN; + twl4030_write(codec, REG_HS_GAIN_SET, hsgain); + + popn &= ~VMID_EN; + twl4030_write(codec, REG_HS_POPN_SET, popn); + + mode = twl4030_read_reg_cache(codec, REG_CODEC_MODE); + mode &= ~CODECPDZ; + twl4030_write(codec, REG_CODEC_MODE, mode); + udelay(10); +} + + +static int twl4030_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_device *socdev = rtd->socdev; + struct snd_soc_codec *codec = socdev->codec; + struct twl4030_priv *twl4030 = codec->private_data; + u8 mode, old_mode, format, old_format; + + + /* bit rate */ + old_mode = twl4030_read_reg_cache(codec, REG_CODEC_MODE) & ~CODECPDZ; + mode = old_mode; + mode &= ~APLL_RATE; + switch (params_rate(params)) { + case 44100: + mode |= APLL_RATE_44100; + break; + case 48000: + mode |= APLL_RATE_48000; + break; + default: + printk(KERN_INFO "TWL4030 hw params: unknown rate %d\n", params_rate(params)); + return -EINVAL; + } + + if (mode != old_mode) { + /* change rate and turn codec back on */ + twl4030_write(codec, REG_CODEC_MODE, mode); + mode |= CODECPDZ; + twl4030_write(codec, REG_CODEC_MODE, mode); + } + + /* sample size */ + old_format = twl4030_read_reg_cache(codec, REG_AUDIO_IF); + format = old_format; + format &= ~DATA_WIDTH; + switch (params_format(params)) { + case SNDRV_PCM_FORMAT_S16_LE: + format |= DATA_WIDTH_16S_16W; + break; + case SNDRV_PCM_FORMAT_S24_LE: + format |= DATA_WIDTH_32S_24W; + break; + default: + printk(KERN_INFO "TWL4030 hw params: unknown format %d\n", params_format(params)); + return -EINVAL; + } + + if (format != old_format) { + + /* turn off codec before changing format */ + mode = twl4030_read_reg_cache(codec, REG_CODEC_MODE); + mode &= ~CODECPDZ; + twl4030_write(codec, REG_CODEC_MODE, mode); + + /* change format */ + twl4030_write(codec, REG_AUDIO_IF, format); + + /* turn on codec */ + mode |= CODECPDZ; + twl4030_write(codec, REG_CODEC_MODE, mode); + } + return 0; +} + +static int twl4030_mute(struct snd_soc_codec_dai *dai, int mute) +{ + struct snd_soc_codec *codec = dai->codec; + + u8 ldac_reg = twl4030_read_reg_cache(codec, REG_ARXL2PGA); + u8 rdac_reg = twl4030_read_reg_cache(codec, REG_ARXR2PGA); + + if (mute) { + /* printk(KERN_INFO "TWL4030 Audio Codec mute\n"); */ + twl4030_write(codec, REG_ARXL2PGA, 0x00); + twl4030_write(codec, REG_ARXR2PGA, 0x00); + twl4030_write_reg_cache(codec, REG_ARXL2PGA, ldac_reg); + twl4030_write_reg_cache(codec, REG_ARXR2PGA, rdac_reg); + } + else { + /* printk(KERN_INFO "TWL4030 Audio Codec unmute: %02x/%02x\n", ldac_reg, rdac_reg); */ + twl4030_write(codec, REG_ARXL2PGA, ldac_reg); + twl4030_write(codec, REG_ARXR2PGA, rdac_reg); + } + + return 0; +} + +static int twl4030_set_dai_fmt(struct snd_soc_codec_dai *codec_dai, + unsigned int fmt) +{ + struct snd_soc_codec *codec = codec_dai->codec; + struct twl4030_priv *twl4030 = codec->private_data; + u8 mode, old_format, format; + + /* get format */ + old_format = twl4030_read_reg_cache(codec, REG_AUDIO_IF); + format = old_format; + + /* set master/slave audio interface */ + switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBM_CFM: + /* printk(KERN_INFO "TWL4030 set dai fmt: master\n"); */ + format &= ~(AIF_SLAVE_EN); + format |= CLK256FS_EN; + break; + case SND_SOC_DAIFMT_CBS_CFS: + /* printk(KERN_INFO "TWL4030 set dai fmt: slave\n"); */ + format &= ~(CLK256FS_EN); + format |= AIF_SLAVE_EN; + break; + default: + return -EINVAL; + } + + /* interface format */ + format &= ~AIF_FORMAT; + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_I2S: + /* printk(KERN_INFO "TWL4030 set dai fmt: i2s\n"); */ + format |= AIF_FORMAT_CODEC; + break; + default: + return -EINVAL; + } + + if (format != old_format) { + + /* turn off codec before changing format */ + mode = twl4030_read_reg_cache(codec, REG_CODEC_MODE); + mode &= ~CODECPDZ; + twl4030_write(codec, REG_CODEC_MODE, mode); + + /* change format */ + twl4030_write(codec, REG_AUDIO_IF, format); + + mode |= CODECPDZ; + twl4030_write(codec, REG_CODEC_MODE, mode); + } + + return 0; +} + +#define TWL4030_RATES SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 +#define TWL4030_FORMATS SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FORMAT_S24_LE + +struct snd_soc_codec_dai twl4030_dai = { + .name = "twl4030", + .playback = { + .stream_name = "Playback", + .channels_min = 2, + .channels_max = 2, + .rates = TWL4030_RATES, + .formats = TWL4030_FORMATS,}, + .capture = { + .stream_name = "Capture", + .channels_min = 2, + .channels_max = 2, + .rates = TWL4030_RATES, + .formats = TWL4030_FORMATS,}, + .ops = { + .hw_params = twl4030_hw_params, + }, + .dai_ops = { + .digital_mute = twl4030_mute, + .set_fmt = twl4030_set_dai_fmt, + } +}; + +EXPORT_SYMBOL_GPL(twl4030_dai); + +static int twl4030_suspend(struct platform_device *pdev, pm_message_t state) +{ + struct snd_soc_device *socdev = platform_get_drvdata(pdev); + struct snd_soc_codec *codec = socdev->codec; + + printk(KERN_INFO "TWL4030 Audio Codec suspend\n"); + twl4030_dapm_event(codec, SNDRV_CTL_POWER_D3cold); + + return 0; +} + +static int twl4030_resume(struct platform_device *pdev) +{ + struct snd_soc_device *socdev = platform_get_drvdata(pdev); + struct snd_soc_codec *codec = socdev->codec; + int i; + u16 *cache = codec->reg_cache; + + printk(KERN_INFO "TWL4030 Audio Codec resume\n"); + /* Sync reg_cache with the hardware */ + for (i = REG_CODEC_MODE; i <= REG_MISC_SET_2; i++) { + twl4030_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, cache[i], i); + } + twl4030_dapm_event(codec, SNDRV_CTL_POWER_D3hot); + twl4030_dapm_event(codec, codec->suspend_dapm_state); + return 0; +} + +/* + * initialize the driver + * register the mixer and dsp interfaces with the kernel + */ + +static int twl4030_init(struct snd_soc_device *socdev) +{ + struct snd_soc_codec *codec = socdev->codec; + int ret = 0; + + printk(KERN_INFO "TWL4030 Audio Codec init \n"); + + codec->name = "twl4030"; + codec->owner = THIS_MODULE; + codec->read = twl4030_read_reg_cache; + codec->write = twl4030_write; + codec->dapm_event = twl4030_dapm_event; + codec->dai = &twl4030_dai; + codec->num_dai = 1; + codec->reg_cache_size = sizeof(twl4030_reg); + codec->reg_cache = kmemdup(twl4030_reg, sizeof(twl4030_reg), GFP_KERNEL); + if (codec->reg_cache == NULL) + return -ENOMEM; + + /* register pcms */ + ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); + if (ret < 0) { + printk(KERN_ERR "twl4030: failed to create pcms\n"); + goto pcm_err; + } + + twl4030_add_controls(codec); + twl4030_add_widgets(codec); + + ret = snd_soc_register_card(socdev); + if (ret < 0) { + printk(KERN_ERR "twl4030: failed to register card\n"); + goto card_err; + } + + twl4030_init_chip(); + twl4030_power_up(codec, APLL_RATE_44100 | OPT_MODE); + + return ret; + +card_err: + printk(KERN_INFO "TWL4030 Audio Codec init card error\n"); + snd_soc_free_pcms(socdev); + snd_soc_dapm_free(socdev); +pcm_err: + printk(KERN_INFO "TWL4030 Audio Codec init pcm error\n"); + kfree(codec->reg_cache); + return ret; +} + +static struct snd_soc_device *twl4030_socdev; + +static int twl4030_probe(struct platform_device *pdev) +{ + struct snd_soc_device *socdev = platform_get_drvdata(pdev); + struct snd_soc_codec *codec; + struct twl4030_priv *twl4030; + + codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); + if (codec == NULL) + return -ENOMEM; + + twl4030 = kzalloc(sizeof(struct twl4030_priv), GFP_KERNEL); + if (twl4030 == NULL) { + kfree(codec); + return -ENOMEM; + } + + codec->private_data = twl4030; + socdev->codec = codec; + mutex_init(&codec->mutex); + INIT_LIST_HEAD(&codec->dapm_widgets); + INIT_LIST_HEAD(&codec->dapm_paths); + + twl4030_socdev = socdev; + twl4030_init(socdev); + + return 0; +} + +static int twl4030_remove(struct platform_device *pdev) +{ + struct snd_soc_device *socdev = platform_get_drvdata(pdev); + struct snd_soc_codec *codec = socdev->codec; + + printk(KERN_INFO "TWL4030 Audio Codec remove\n"); + kfree(codec->private_data); + kfree(codec); + + return 0; +} + +struct snd_soc_codec_device soc_codec_dev_twl4030 = { + .probe = twl4030_probe, + .remove = twl4030_remove, + .suspend = twl4030_suspend, + .resume = twl4030_resume, +}; +EXPORT_SYMBOL_GPL(soc_codec_dev_twl4030); + +MODULE_DESCRIPTION("ASoC TWL4030 codec driver"); +MODULE_AUTHOR("Steve Sakoman"); +MODULE_LICENSE("GPL"); diff --git a/sound/soc/codecs/twl4030.h b/sound/soc/codecs/twl4030.h new file mode 100644 index 0000000..e126f96 --- /dev/null +++ b/sound/soc/codecs/twl4030.h @@ -0,0 +1,152 @@ +/* + * ALSA SoC TWL4030 codec driver + * + * Author: Steve Sakoman, + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __TWL4030_AUDIO_H__ +#define __TWL4030_AUDIO_H__ + +#define REG_CODEC_MODE 0x1 +#define REG_OPTION 0x2 +#define REG_UNKNOWN 0x3 +#define REG_MICBIAS_CTL 0x4 +#define REG_ANAMICL 0x5 +#define REG_ANAMICR 0x6 +#define REG_AVADC_CTL 0x7 +#define REG_ADCMICSEL 0x8 +#define REG_DIGMIXING 0x9 +#define REG_ATXL1PGA 0xA +#define REG_ATXR1PGA 0xB +#define REG_AVTXL2PGA 0xC +#define REG_AVTXR2PGA 0xD +#define REG_AUDIO_IF 0xE +#define REG_VOICE_IF 0xF +#define REG_ARXR1PGA 0x10 +#define REG_ARXL1PGA 0x11 +#define REG_ARXR2PGA 0x12 +#define REG_ARXL2PGA 0x13 +#define REG_VRXPGA 0x14 +#define REG_VSTPGA 0x15 +#define REG_VRX2ARXPGA 0x16 +#define REG_AVDAC_CTL 0x17 +#define REG_ARX2VTXPGA 0x18 +#define REG_ARXL1_APGA_CTL 0x19 +#define REG_ARXR1_APGA_CTL 0x1A +#define REG_ARXL2_APGA_CTL 0x1B +#define REG_ARXR2_APGA_CTL 0x1C +#define REG_ATX2ARXPGA 0x1D +#define REG_BT_IF 0x1E +#define REG_BTPGA 0x1F +#define REG_BTSTPGA 0x20 +#define REG_EAR_CTL 0x21 +#define REG_HS_SEL 0x22 +#define REG_HS_GAIN_SET 0x23 +#define REG_HS_POPN_SET 0x24 +#define REG_PREDL_CTL 0x25 +#define REG_PREDR_CTL 0x26 +#define REG_PRECKL_CTL 0x27 +#define REG_PRECKR_CTL 0x28 +#define REG_HFL_CTL 0x29 +#define REG_HFR_CTL 0x2A +#define REG_ALC_CTL 0x2B +#define REG_ALC_SET1 0x2C +#define REG_ALC_SET2 0x2D +#define REG_BOOST_CTL 0x2E +#define REG_SOFTVOL_CTL 0x2F +#define REG_DTMF_FREQSEL 0x30 +#define REG_DTMF_TONEXT1H 0x31 +#define REG_DTMF_TONEXT1L 0x32 +#define REG_DTMF_TONEXT2H 0x33 +#define REG_DTMF_TONEXT2L 0x34 +#define REG_DTMF_TONOFF 0x35 +#define REG_DTMF_WANONOFF 0x36 +#define REG_I2S_RX_SCRAMBLE_H 0x37 +#define REG_I2S_RX_SCRAMBLE_M 0x38 +#define REG_I2S_RX_SCRAMBLE_L 0x39 +#define REG_APLL_CTL 0x3A +#define REG_DTMF_CTL 0x3B +#define REG_DTMF_PGA_CTL2 0x3C +#define REG_DTMF_PGA_CTL1 0x3D +#define REG_MISC_SET_1 0x3E +#define REG_PCMBTMUX 0x3F +#define REG_RX_PATH_SEL 0x43 +#define REG_VDL_APGA_CTL 0x44 +#define REG_VIBRA_CTL 0x45 +#define REG_VIBRA_SET 0x46 +#define REG_VIBRA_PWM_SET 0x47 +#define REG_ANAMIC_GAIN 0x48 +#define REG_MISC_SET_2 0x49 + +#define TWL4030_CACHEREGNUM REG_MISC_SET_2 + 1 + +/* Bitfield Definitions */ + +/* CODEC_MODE (0x01) Fields */ + +#define APLL_RATE 0xF0 +#define APLL_RATE_8000 0x00 +#define APLL_RATE_11025 0x10 +#define APLL_RATE_12000 0x20 +#define APLL_RATE_16000 0x40 +#define APLL_RATE_22050 0x50 +#define APLL_RATE_24000 0x60 +#define APLL_RATE_32000 0x80 +#define APLL_RATE_44100 0x90 +#define APLL_RATE_48000 0xa0 +#define SEL_16K 0x04 +#define CODECPDZ 0x02 +#define OPT_MODE 0x01 + +/* AUDIO_IF (0x0E) Fields */ + +#define AIF_SLAVE_EN 0x80 +#define DATA_WIDTH 0x60 +#define DATA_WIDTH_16S_16W 0x00 +#define DATA_WIDTH_32S_16W 0x40 +#define DATA_WIDTH_32S_24W 0x60 +#define AIF_FORMAT 0x18 +#define AIF_FORMAT_CODEC 0x00 +#define AIF_FORMAT_LEFT 0x08 +#define AIF_FORMAT_RIGHT 0x10 +#define AIF_FORMAT_TDM 0x18 +#define AIF_TRI_EN 0x04 +#define CLK256FS_EN 0x02 +#define AIF_EN 0x01 + +/* HS_GAIN_SET (0x23) Fields */ + +#define HSR_GAIN 0x0c +#define HSR_GAIN_PWR_DOWN 0x00 +#define HSR_GAIN_PLUS_6DB 0x04 +#define HSR_GAIN_0DB 0x08 +#define HSR_GAIN_MINUS_6DB 0x0c +#define HSL_GAIN 0x0c +#define HSL_GAIN_PWR_DOWN 0x00 +#define HSL_GAIN_PLUS_6DB 0x01 +#define HSL_GAIN_0DB 0x02 +#define HSL_GAIN_MINUS_6DB 0x03 + +/* HS_POPN_SET (0x24) Fields */ + +#define VMID_EN 0x40 +#define EXTMUTE 0x20 +#define RAMP_DELAY 0x1C +#define RAMP_DELAY_20MS 0x00 +#define RAMP_DELAY_40MS 0x04 +#define RAMP_DELAY_81MS 0x08 +#define RAMP_DELAY_161MS 0x0c +#define RAMP_DELAY_323MS 0x10 +#define RAMP_DELAY_645MS 0x14 +#define RAMP_DELAY_1291MS 0x18 +#define RAMP_DELAY_2581MS 0x1c +#define RAMP_EN 0x02 + +extern struct snd_soc_codec_dai twl4030_dai; +extern struct snd_soc_codec_device soc_codec_dev_twl4030; + +#endif /* End of __TWL4030_AUDIO_H__ */ diff --git a/sound/soc/omap/Kconfig b/sound/soc/omap/Kconfig index 0230d83..8703cea 100644 --- a/sound/soc/omap/Kconfig +++ b/sound/soc/omap/Kconfig @@ -16,4 +16,20 @@ config SND_OMAP_SOC_N810 help Say Y if you want to add support for SoC audio on Nokia N810. +config SND_OMAP_SOC_OMAP3EVM + tristate "SoC Audio support for OMAP3 EVM" + depends on SND_OMAP_SOC && MACH_OMAP3EVM + select SND_OMAP_SOC_MCBSP + select SND_SOC_TWL4030 + help + Say Y if you want to add support for SoC audio on the OMAP3 EVM. + +config SND_OMAP_SOC_OMAP3BEAGLE + tristate "SoC Audio support for OMAP3 Beagle" + depends on SND_OMAP_SOC && MACH_OMAP3_BEAGLE + select SND_OMAP_SOC_MCBSP + select SND_SOC_TWL4030 + help + Say Y if you want to add support for SoC audio on the OMAP3 Beagle. + endmenu diff --git a/sound/soc/omap/Makefile b/sound/soc/omap/Makefile index d8d8d58..638a240 100644 --- a/sound/soc/omap/Makefile +++ b/sound/soc/omap/Makefile @@ -7,5 +7,10 @@ obj-$(CONFIG_SND_OMAP_SOC_MCBSP) += snd-soc-omap-mcbsp.o # OMAP Machine Support snd-soc-n810-objs := n810.o +snd-soc-omap3evm-objs := omap3evm.o +snd-soc-omap3beagle-objs := omap3beagle.o obj-$(CONFIG_SND_OMAP_SOC_N810) += snd-soc-n810.o +obj-$(CONFIG_SND_OMAP_SOC_OMAP3EVM) += snd-soc-omap3evm.o +obj-$(CONFIG_SND_OMAP_SOC_OMAP3BEAGLE) += snd-soc-omap3beagle.o + diff --git a/sound/soc/omap/omap3beagle.c b/sound/soc/omap/omap3beagle.c new file mode 100644 index 0000000..878f894 --- /dev/null +++ b/sound/soc/omap/omap3beagle.c @@ -0,0 +1,142 @@ +/* + * omap3beagle.c -- SoC audio for OMAP3 Beagle + * + * Author: Steve Sakoman + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#include "omap-mcbsp.h" +#include "omap-pcm.h" +#include "../codecs/twl4030.h" + +static int omap3beagle_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_codec_dai *codec_dai = rtd->dai->codec_dai; + struct snd_soc_cpu_dai *cpu_dai = rtd->dai->cpu_dai; + int ret; + + /* Set codec DAI configuration */ + ret = codec_dai->dai_ops.set_fmt(codec_dai, + SND_SOC_DAIFMT_I2S | + SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBM_CFM); + if (ret < 0) { + printk(KERN_INFO "can't set codec DAI configuration\n"); + return ret; + } + + /* Set cpu DAI configuration */ + ret = cpu_dai->dai_ops.set_fmt(cpu_dai, + SND_SOC_DAIFMT_I2S | + SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBM_CFM); + if (ret < 0) { + printk(KERN_INFO "can't set cpu DAI configuration\n"); + return ret; + } + + return 0; +} + +static struct snd_soc_ops omap3beagle_ops = { + .hw_params = omap3beagle_hw_params, +}; + +/* Digital audio interface glue - connects codec <--> CPU */ +static struct snd_soc_dai_link omap3beagle_dai = { + .name = "TWL4030", + .stream_name = "TWL4030", + .cpu_dai = &omap_mcbsp_dai[0], + .codec_dai = &twl4030_dai, + .ops = &omap3beagle_ops, +}; + +/* Audio machine driver */ +static struct snd_soc_machine snd_soc_machine_omap3beagle = { + .name = "omap3beagle", + .dai_link = &omap3beagle_dai, + .num_links = 1, +}; + +/* Audio subsystem */ +static struct snd_soc_device omap3beagle_snd_devdata = { + .machine = &snd_soc_machine_omap3beagle, + .platform = &omap_soc_platform, + .codec_dev = &soc_codec_dev_twl4030, +}; + +static struct platform_device *omap3beagle_snd_device; + +static int __init omap3beagle_soc_init(void) +{ + int ret; + + printk(KERN_INFO "OMAP3 Beagle SoC init\n"); + if (!machine_is_omap3_beagle()) { + printk(KERN_INFO "Not OMAP3 Beagle!\n"); + return -ENODEV; + } + + omap3beagle_snd_device = platform_device_alloc("soc-audio", -1); + if (!omap3beagle_snd_device) { + printk(KERN_INFO "Platform device allocation failed\n"); + return -ENOMEM; + } + + platform_set_drvdata(omap3beagle_snd_device, &omap3beagle_snd_devdata); + omap3beagle_snd_devdata.dev = &omap3beagle_snd_device->dev; + *(unsigned int *)omap3beagle_dai.cpu_dai->private_data = 1; /* McBSP2 */ + + ret = platform_device_add(omap3beagle_snd_device); + if (ret) + goto err1; + + return 0; + +err1: + printk(KERN_INFO "Unable to add platform device\n"); + platform_device_put(omap3beagle_snd_device); + + return ret; +} + +static void __exit omap3beagle_soc_exit(void) +{ + printk(KERN_INFO "OMAP3 Beagle SoC exit\n"); + platform_device_unregister(omap3beagle_snd_device); +} + +module_init(omap3beagle_soc_init); +module_exit(omap3beagle_soc_exit); + +MODULE_AUTHOR("Steve Sakoman "); +MODULE_DESCRIPTION("ALSA SoC OMAP3 Beagle"); +MODULE_LICENSE("GPL"); diff --git a/sound/soc/omap/omap3evm.c b/sound/soc/omap/omap3evm.c new file mode 100644 index 0000000..a64c788 --- /dev/null +++ b/sound/soc/omap/omap3evm.c @@ -0,0 +1,142 @@ +/* + * omap3evm.c -- SoC audio for OMAP3 EVM + * + * Author: Steve Sakoman + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#include "omap-mcbsp.h" +#include "omap-pcm.h" +#include "../codecs/twl4030.h" + +static int omap3evm_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_codec_dai *codec_dai = rtd->dai->codec_dai; + struct snd_soc_cpu_dai *cpu_dai = rtd->dai->cpu_dai; + int ret; + + /* Set codec DAI configuration */ + ret = codec_dai->dai_ops.set_fmt(codec_dai, + SND_SOC_DAIFMT_I2S | + SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBM_CFM); + if (ret < 0) { + printk(KERN_INFO "can't set codec DAI configuration\n"); + return ret; + } + + /* Set cpu DAI configuration */ + ret = cpu_dai->dai_ops.set_fmt(cpu_dai, + SND_SOC_DAIFMT_I2S | + SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBM_CFM); + if (ret < 0) { + printk(KERN_INFO "can't set cpu DAI configuration\n"); + return ret; + } + + return 0; +} + +static struct snd_soc_ops omap3evm_ops = { + .hw_params = omap3evm_hw_params, +}; + +/* Digital audio interface glue - connects codec <--> CPU */ +static struct snd_soc_dai_link omap3evm_dai = { + .name = "TWL4030", + .stream_name = "TWL4030", + .cpu_dai = &omap_mcbsp_dai[0], + .codec_dai = &twl4030_dai, + .ops = &omap3evm_ops, +}; + +/* Audio machine driver */ +static struct snd_soc_machine snd_soc_machine_omap3evm = { + .name = "omap3evm", + .dai_link = &omap3evm_dai, + .num_links = 1, +}; + +/* Audio subsystem */ +static struct snd_soc_device omap3evm_snd_devdata = { + .machine = &snd_soc_machine_omap3evm, + .platform = &omap_soc_platform, + .codec_dev = &soc_codec_dev_twl4030, +}; + +static struct platform_device *omap3evm_snd_device; + +static int __init omap3evm_soc_init(void) +{ + int ret; + + printk(KERN_INFO "OMAP3 EVM SoC init\n"); + if (!machine_is_omap3evm()) { + printk(KERN_INFO "Not OMAP3 EVM!\n"); + return -ENODEV; + } + + omap3evm_snd_device = platform_device_alloc("soc-audio", -1); + if (!omap3evm_snd_device) { + printk(KERN_INFO "Platform device allocation failed\n"); + return -ENOMEM; + } + + platform_set_drvdata(omap3evm_snd_device, &omap3evm_snd_devdata); + omap3evm_snd_devdata.dev = &omap3evm_snd_device->dev; + *(unsigned int *)omap3evm_dai.cpu_dai->private_data = 1; /* McBSP2 */ + + ret = platform_device_add(omap3evm_snd_device); + if (ret) + goto err1; + + return 0; + +err1: + printk(KERN_INFO "Unable to add platform device\n"); + platform_device_put(omap3evm_snd_device); + + return ret; +} + +static void __exit omap3evm_soc_exit(void) +{ + printk(KERN_INFO "OMAP3 EVM SoC exit\n"); + platform_device_unregister(omap3evm_snd_device); +} + +module_init(omap3evm_soc_init); +module_exit(omap3evm_soc_exit); + +MODULE_AUTHOR("Steve Sakoman "); +MODULE_DESCRIPTION("ALSA SoC OMAP3 EVM"); +MODULE_LICENSE("GPL");