diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/soc/codecs/adau1701.c')
-rw-r--r-- | ANDROID_3.4.5/sound/soc/codecs/adau1701.c | 546 |
1 files changed, 0 insertions, 546 deletions
diff --git a/ANDROID_3.4.5/sound/soc/codecs/adau1701.c b/ANDROID_3.4.5/sound/soc/codecs/adau1701.c deleted file mode 100644 index 78e9ce48..00000000 --- a/ANDROID_3.4.5/sound/soc/codecs/adau1701.c +++ /dev/null @@ -1,546 +0,0 @@ -/* - * Driver for ADAU1701 SigmaDSP processor - * - * Copyright 2011 Analog Devices Inc. - * Author: Lars-Peter Clausen <lars@metafoo.de> - * based on an inital version by Cliff Cai <cliff.cai@analog.com> - * - * Licensed under the GPL-2 or later. - */ - -#include <linux/module.h> -#include <linux/init.h> -#include <linux/i2c.h> -#include <linux/delay.h> -#include <linux/slab.h> -#include <sound/core.h> -#include <sound/pcm.h> -#include <sound/pcm_params.h> -#include <sound/soc.h> - -#include "sigmadsp.h" -#include "adau1701.h" - -#define ADAU1701_DSPCTRL 0x1c -#define ADAU1701_SEROCTL 0x1e -#define ADAU1701_SERICTL 0x1f - -#define ADAU1701_AUXNPOW 0x22 - -#define ADAU1701_OSCIPOW 0x26 -#define ADAU1701_DACSET 0x27 - -#define ADAU1701_NUM_REGS 0x28 - -#define ADAU1701_DSPCTRL_CR (1 << 2) -#define ADAU1701_DSPCTRL_DAM (1 << 3) -#define ADAU1701_DSPCTRL_ADM (1 << 4) -#define ADAU1701_DSPCTRL_SR_48 0x00 -#define ADAU1701_DSPCTRL_SR_96 0x01 -#define ADAU1701_DSPCTRL_SR_192 0x02 -#define ADAU1701_DSPCTRL_SR_MASK 0x03 - -#define ADAU1701_SEROCTL_INV_LRCLK 0x2000 -#define ADAU1701_SEROCTL_INV_BCLK 0x1000 -#define ADAU1701_SEROCTL_MASTER 0x0800 - -#define ADAU1701_SEROCTL_OBF16 0x0000 -#define ADAU1701_SEROCTL_OBF8 0x0200 -#define ADAU1701_SEROCTL_OBF4 0x0400 -#define ADAU1701_SEROCTL_OBF2 0x0600 -#define ADAU1701_SEROCTL_OBF_MASK 0x0600 - -#define ADAU1701_SEROCTL_OLF1024 0x0000 -#define ADAU1701_SEROCTL_OLF512 0x0080 -#define ADAU1701_SEROCTL_OLF256 0x0100 -#define ADAU1701_SEROCTL_OLF_MASK 0x0180 - -#define ADAU1701_SEROCTL_MSB_DEALY1 0x0000 -#define ADAU1701_SEROCTL_MSB_DEALY0 0x0004 -#define ADAU1701_SEROCTL_MSB_DEALY8 0x0008 -#define ADAU1701_SEROCTL_MSB_DEALY12 0x000c -#define ADAU1701_SEROCTL_MSB_DEALY16 0x0010 -#define ADAU1701_SEROCTL_MSB_DEALY_MASK 0x001c - -#define ADAU1701_SEROCTL_WORD_LEN_24 0x0000 -#define ADAU1701_SEROCTL_WORD_LEN_20 0x0001 -#define ADAU1701_SEROCTL_WORD_LEN_16 0x0010 -#define ADAU1701_SEROCTL_WORD_LEN_MASK 0x0003 - -#define ADAU1701_AUXNPOW_VBPD 0x40 -#define ADAU1701_AUXNPOW_VRPD 0x20 - -#define ADAU1701_SERICTL_I2S 0 -#define ADAU1701_SERICTL_LEFTJ 1 -#define ADAU1701_SERICTL_TDM 2 -#define ADAU1701_SERICTL_RIGHTJ_24 3 -#define ADAU1701_SERICTL_RIGHTJ_20 4 -#define ADAU1701_SERICTL_RIGHTJ_18 5 -#define ADAU1701_SERICTL_RIGHTJ_16 6 -#define ADAU1701_SERICTL_MODE_MASK 7 -#define ADAU1701_SERICTL_INV_BCLK BIT(3) -#define ADAU1701_SERICTL_INV_LRCLK BIT(4) - -#define ADAU1701_OSCIPOW_OPD 0x04 -#define ADAU1701_DACSET_DACINIT 1 - -#define ADAU1701_FIRMWARE "adau1701.bin" - -struct adau1701 { - unsigned int dai_fmt; -}; - -static const struct snd_kcontrol_new adau1701_controls[] = { - SOC_SINGLE("Master Capture Switch", ADAU1701_DSPCTRL, 4, 1, 0), -}; - -static const struct snd_soc_dapm_widget adau1701_dapm_widgets[] = { - SND_SOC_DAPM_DAC("DAC0", "Playback", ADAU1701_AUXNPOW, 3, 1), - SND_SOC_DAPM_DAC("DAC1", "Playback", ADAU1701_AUXNPOW, 2, 1), - SND_SOC_DAPM_DAC("DAC2", "Playback", ADAU1701_AUXNPOW, 1, 1), - SND_SOC_DAPM_DAC("DAC3", "Playback", ADAU1701_AUXNPOW, 0, 1), - SND_SOC_DAPM_ADC("ADC", "Capture", ADAU1701_AUXNPOW, 7, 1), - - SND_SOC_DAPM_OUTPUT("OUT0"), - SND_SOC_DAPM_OUTPUT("OUT1"), - SND_SOC_DAPM_OUTPUT("OUT2"), - SND_SOC_DAPM_OUTPUT("OUT3"), - SND_SOC_DAPM_INPUT("IN0"), - SND_SOC_DAPM_INPUT("IN1"), -}; - -static const struct snd_soc_dapm_route adau1701_dapm_routes[] = { - { "OUT0", NULL, "DAC0" }, - { "OUT1", NULL, "DAC1" }, - { "OUT2", NULL, "DAC2" }, - { "OUT3", NULL, "DAC3" }, - - { "ADC", NULL, "IN0" }, - { "ADC", NULL, "IN1" }, -}; - -static unsigned int adau1701_register_size(struct snd_soc_codec *codec, - unsigned int reg) -{ - switch (reg) { - case ADAU1701_DSPCTRL: - case ADAU1701_SEROCTL: - case ADAU1701_AUXNPOW: - case ADAU1701_OSCIPOW: - case ADAU1701_DACSET: - return 2; - case ADAU1701_SERICTL: - return 1; - } - - dev_err(codec->dev, "Unsupported register address: %d\n", reg); - return 0; -} - -static int adau1701_write(struct snd_soc_codec *codec, unsigned int reg, - unsigned int value) -{ - unsigned int i; - unsigned int size; - uint8_t buf[4]; - int ret; - - size = adau1701_register_size(codec, reg); - if (size == 0) - return -EINVAL; - - snd_soc_cache_write(codec, reg, value); - - buf[0] = 0x08; - buf[1] = reg; - - for (i = size + 1; i >= 2; --i) { - buf[i] = value; - value >>= 8; - } - - ret = i2c_master_send(to_i2c_client(codec->dev), buf, size + 2); - if (ret == size + 2) - return 0; - else if (ret < 0) - return ret; - else - return -EIO; -} - -static unsigned int adau1701_read(struct snd_soc_codec *codec, unsigned int reg) -{ - unsigned int value; - unsigned int ret; - - ret = snd_soc_cache_read(codec, reg, &value); - if (ret) - return ret; - - return value; -} - -static int adau1701_load_firmware(struct snd_soc_codec *codec) -{ - return process_sigma_firmware(codec->control_data, ADAU1701_FIRMWARE); -} - -static int adau1701_set_capture_pcm_format(struct snd_soc_codec *codec, - snd_pcm_format_t format) -{ - struct adau1701 *adau1701 = snd_soc_codec_get_drvdata(codec); - unsigned int mask = ADAU1701_SEROCTL_WORD_LEN_MASK; - unsigned int val; - - switch (format) { - case SNDRV_PCM_FORMAT_S16_LE: - val = ADAU1701_SEROCTL_WORD_LEN_16; - break; - case SNDRV_PCM_FORMAT_S20_3LE: - val = ADAU1701_SEROCTL_WORD_LEN_20; - break; - case SNDRV_PCM_FORMAT_S24_LE: - val = ADAU1701_SEROCTL_WORD_LEN_24; - break; - default: - return -EINVAL; - } - - if (adau1701->dai_fmt == SND_SOC_DAIFMT_RIGHT_J) { - switch (format) { - case SNDRV_PCM_FORMAT_S16_LE: - val |= ADAU1701_SEROCTL_MSB_DEALY16; - break; - case SNDRV_PCM_FORMAT_S20_3LE: - val |= ADAU1701_SEROCTL_MSB_DEALY12; - break; - case SNDRV_PCM_FORMAT_S24_LE: - val |= ADAU1701_SEROCTL_MSB_DEALY8; - break; - } - mask |= ADAU1701_SEROCTL_MSB_DEALY_MASK; - } - - snd_soc_update_bits(codec, ADAU1701_SEROCTL, mask, val); - - return 0; -} - -static int adau1701_set_playback_pcm_format(struct snd_soc_codec *codec, - snd_pcm_format_t format) -{ - struct adau1701 *adau1701 = snd_soc_codec_get_drvdata(codec); - unsigned int val; - - if (adau1701->dai_fmt != SND_SOC_DAIFMT_RIGHT_J) - return 0; - - switch (format) { - case SNDRV_PCM_FORMAT_S16_LE: - val = ADAU1701_SERICTL_RIGHTJ_16; - break; - case SNDRV_PCM_FORMAT_S20_3LE: - val = ADAU1701_SERICTL_RIGHTJ_20; - break; - case SNDRV_PCM_FORMAT_S24_LE: - val = ADAU1701_SERICTL_RIGHTJ_24; - break; - default: - return -EINVAL; - } - - snd_soc_update_bits(codec, ADAU1701_SERICTL, - ADAU1701_SERICTL_MODE_MASK, val); - - return 0; -} - -static int adau1701_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; - snd_pcm_format_t format; - unsigned int val; - - switch (params_rate(params)) { - case 192000: - val = ADAU1701_DSPCTRL_SR_192; - break; - case 96000: - val = ADAU1701_DSPCTRL_SR_96; - break; - case 48000: - val = ADAU1701_DSPCTRL_SR_48; - break; - default: - return -EINVAL; - } - - snd_soc_update_bits(codec, ADAU1701_DSPCTRL, - ADAU1701_DSPCTRL_SR_MASK, val); - - format = params_format(params); - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) - return adau1701_set_playback_pcm_format(codec, format); - else - return adau1701_set_capture_pcm_format(codec, format); -} - -static int adau1701_set_dai_fmt(struct snd_soc_dai *codec_dai, - unsigned int fmt) -{ - struct snd_soc_codec *codec = codec_dai->codec; - struct adau1701 *adau1701 = snd_soc_codec_get_drvdata(codec); - unsigned int serictl = 0x00, seroctl = 0x00; - bool invert_lrclk; - - switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { - case SND_SOC_DAIFMT_CBM_CFM: - /* master, 64-bits per sample, 1 frame per sample */ - seroctl |= ADAU1701_SEROCTL_MASTER | ADAU1701_SEROCTL_OBF16 - | ADAU1701_SEROCTL_OLF1024; - break; - case SND_SOC_DAIFMT_CBS_CFS: - break; - default: - return -EINVAL; - } - - /* clock inversion */ - switch (fmt & SND_SOC_DAIFMT_INV_MASK) { - case SND_SOC_DAIFMT_NB_NF: - invert_lrclk = false; - break; - case SND_SOC_DAIFMT_NB_IF: - invert_lrclk = true; - break; - case SND_SOC_DAIFMT_IB_NF: - invert_lrclk = false; - serictl |= ADAU1701_SERICTL_INV_BCLK; - seroctl |= ADAU1701_SEROCTL_INV_BCLK; - break; - case SND_SOC_DAIFMT_IB_IF: - invert_lrclk = true; - serictl |= ADAU1701_SERICTL_INV_BCLK; - seroctl |= ADAU1701_SEROCTL_INV_BCLK; - break; - default: - return -EINVAL; - } - - switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { - case SND_SOC_DAIFMT_I2S: - break; - case SND_SOC_DAIFMT_LEFT_J: - serictl |= ADAU1701_SERICTL_LEFTJ; - seroctl |= ADAU1701_SEROCTL_MSB_DEALY0; - invert_lrclk = !invert_lrclk; - break; - case SND_SOC_DAIFMT_RIGHT_J: - serictl |= ADAU1701_SERICTL_RIGHTJ_24; - seroctl |= ADAU1701_SEROCTL_MSB_DEALY8; - invert_lrclk = !invert_lrclk; - break; - default: - return -EINVAL; - } - - if (invert_lrclk) { - seroctl |= ADAU1701_SEROCTL_INV_LRCLK; - serictl |= ADAU1701_SERICTL_INV_LRCLK; - } - - adau1701->dai_fmt = fmt & SND_SOC_DAIFMT_FORMAT_MASK; - - snd_soc_write(codec, ADAU1701_SERICTL, serictl); - snd_soc_update_bits(codec, ADAU1701_SEROCTL, - ~ADAU1701_SEROCTL_WORD_LEN_MASK, seroctl); - - return 0; -} - -static int adau1701_set_bias_level(struct snd_soc_codec *codec, - enum snd_soc_bias_level level) -{ - unsigned int mask = ADAU1701_AUXNPOW_VBPD | ADAU1701_AUXNPOW_VRPD; - - switch (level) { - case SND_SOC_BIAS_ON: - break; - case SND_SOC_BIAS_PREPARE: - break; - case SND_SOC_BIAS_STANDBY: - /* Enable VREF and VREF buffer */ - snd_soc_update_bits(codec, ADAU1701_AUXNPOW, mask, 0x00); - break; - case SND_SOC_BIAS_OFF: - /* Disable VREF and VREF buffer */ - snd_soc_update_bits(codec, ADAU1701_AUXNPOW, mask, mask); - break; - } - - codec->dapm.bias_level = level; - return 0; -} - -static int adau1701_digital_mute(struct snd_soc_dai *dai, int mute) -{ - struct snd_soc_codec *codec = dai->codec; - unsigned int mask = ADAU1701_DSPCTRL_DAM; - unsigned int val; - - if (mute) - val = 0; - else - val = mask; - - snd_soc_update_bits(codec, ADAU1701_DSPCTRL, mask, val); - - return 0; -} - -static int adau1701_set_sysclk(struct snd_soc_codec *codec, int clk_id, - int source, unsigned int freq, int dir) -{ - unsigned int val; - - switch (clk_id) { - case ADAU1701_CLK_SRC_OSC: - val = 0x0; - break; - case ADAU1701_CLK_SRC_MCLK: - val = ADAU1701_OSCIPOW_OPD; - break; - default: - return -EINVAL; - } - - snd_soc_update_bits(codec, ADAU1701_OSCIPOW, ADAU1701_OSCIPOW_OPD, val); - - return 0; -} - -#define ADAU1701_RATES (SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 | \ - SNDRV_PCM_RATE_192000) - -#define ADAU1701_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ - SNDRV_PCM_FMTBIT_S24_LE) - -static const struct snd_soc_dai_ops adau1701_dai_ops = { - .set_fmt = adau1701_set_dai_fmt, - .hw_params = adau1701_hw_params, - .digital_mute = adau1701_digital_mute, -}; - -static struct snd_soc_dai_driver adau1701_dai = { - .name = "adau1701", - .playback = { - .stream_name = "Playback", - .channels_min = 2, - .channels_max = 8, - .rates = ADAU1701_RATES, - .formats = ADAU1701_FORMATS, - }, - .capture = { - .stream_name = "Capture", - .channels_min = 2, - .channels_max = 8, - .rates = ADAU1701_RATES, - .formats = ADAU1701_FORMATS, - }, - .ops = &adau1701_dai_ops, - .symmetric_rates = 1, -}; - -static int adau1701_probe(struct snd_soc_codec *codec) -{ - int ret; - - codec->control_data = to_i2c_client(codec->dev); - - ret = adau1701_load_firmware(codec); - if (ret) - dev_warn(codec->dev, "Failed to load firmware\n"); - - snd_soc_write(codec, ADAU1701_DACSET, ADAU1701_DACSET_DACINIT); - snd_soc_write(codec, ADAU1701_DSPCTRL, ADAU1701_DSPCTRL_CR); - - return 0; -} - -static struct snd_soc_codec_driver adau1701_codec_drv = { - .probe = adau1701_probe, - .set_bias_level = adau1701_set_bias_level, - .idle_bias_off = true, - - .reg_cache_size = ADAU1701_NUM_REGS, - .reg_word_size = sizeof(u16), - - .controls = adau1701_controls, - .num_controls = ARRAY_SIZE(adau1701_controls), - .dapm_widgets = adau1701_dapm_widgets, - .num_dapm_widgets = ARRAY_SIZE(adau1701_dapm_widgets), - .dapm_routes = adau1701_dapm_routes, - .num_dapm_routes = ARRAY_SIZE(adau1701_dapm_routes), - - .write = adau1701_write, - .read = adau1701_read, - - .set_sysclk = adau1701_set_sysclk, -}; - -static __devinit int adau1701_i2c_probe(struct i2c_client *client, - const struct i2c_device_id *id) -{ - struct adau1701 *adau1701; - int ret; - - adau1701 = devm_kzalloc(&client->dev, sizeof(*adau1701), GFP_KERNEL); - if (!adau1701) - return -ENOMEM; - - i2c_set_clientdata(client, adau1701); - ret = snd_soc_register_codec(&client->dev, &adau1701_codec_drv, - &adau1701_dai, 1); - return ret; -} - -static __devexit int adau1701_i2c_remove(struct i2c_client *client) -{ - snd_soc_unregister_codec(&client->dev); - return 0; -} - -static const struct i2c_device_id adau1701_i2c_id[] = { - { "adau1701", 0 }, - { } -}; -MODULE_DEVICE_TABLE(i2c, adau1701_i2c_id); - -static struct i2c_driver adau1701_i2c_driver = { - .driver = { - .name = "adau1701", - .owner = THIS_MODULE, - }, - .probe = adau1701_i2c_probe, - .remove = __devexit_p(adau1701_i2c_remove), - .id_table = adau1701_i2c_id, -}; - -static int __init adau1701_init(void) -{ - return i2c_add_driver(&adau1701_i2c_driver); -} -module_init(adau1701_init); - -static void __exit adau1701_exit(void) -{ - i2c_del_driver(&adau1701_i2c_driver); -} -module_exit(adau1701_exit); - -MODULE_DESCRIPTION("ASoC ADAU1701 SigmaDSP driver"); -MODULE_AUTHOR("Cliff Cai <cliff.cai@analog.com>"); -MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>"); -MODULE_LICENSE("GPL"); |