diff options
Diffstat (limited to 'recipes/linux/linux-omap-2.6.26/beagleboard/ASoC-TWL4030-codec-driver.patch')
| -rw-r--r-- | recipes/linux/linux-omap-2.6.26/beagleboard/ASoC-TWL4030-codec-driver.patch | 831 |
1 files changed, 831 insertions, 0 deletions
diff --git a/recipes/linux/linux-omap-2.6.26/beagleboard/ASoC-TWL4030-codec-driver.patch b/recipes/linux/linux-omap-2.6.26/beagleboard/ASoC-TWL4030-codec-driver.patch new file mode 100644 index 0000000000..ef9a0ed0fe --- /dev/null +++ b/recipes/linux/linux-omap-2.6.26/beagleboard/ASoC-TWL4030-codec-driver.patch @@ -0,0 +1,831 @@ +From: Steve Sakoman <steve@sakoman.com> +Date: Fri, 18 Jul 2008 16:41:27 +0000 (-0700) +Subject: ASoC TWL4030 codec driver +X-Git-Url: http://www.sakoman.net/cgi-bin/gitweb.cgi?p=linux-omap-2.6.git;a=commitdiff_plain;h=67b73de03016cc31b1f91af93c57b8e749c13520;hp=d3b3ae0fe6c71641da19c8de466ec366d39847e3 + +ASoC TWL4030 codec driver + +Basic audio support for the TWL4030 + +Signed-off-by: Steve Sakoman <steve@sakoman.com> +--- + +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..25a154c +--- /dev/null ++++ b/sound/soc/codecs/twl4030.c +@@ -0,0 +1,626 @@ ++/* ++ * ALSA SoC TWL4030 codec driver ++ * ++ * Author: Steve Sakoman, <steve@sakoman.com> ++ * ++ * 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 <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/i2c/twl4030.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 "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, /* not used (0x40) */ ++ 0x00, /* not used (0x41) */ ++ 0x00, /* not used (0x42) */ ++ 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) { ++ 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 { ++ 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: ++ format &= ~(AIF_SLAVE_EN); ++ format |= CLK256FS_EN; ++ break; ++ case SND_SOC_DAIFMT_CBS_CFS: ++ 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..6eecde1 +--- /dev/null ++++ b/sound/soc/codecs/twl4030.h +@@ -0,0 +1,152 @@ ++/* ++ * ALSA SoC TWL4030 codec driver ++ * ++ * Author: Steve Sakoman, <steve@sakoman.com> ++ * ++ * 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__ */ |