diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/soc/codecs/ak4642.c')
-rw-r--r-- | ANDROID_3.4.5/sound/soc/codecs/ak4642.c | 590 |
1 files changed, 0 insertions, 590 deletions
diff --git a/ANDROID_3.4.5/sound/soc/codecs/ak4642.c b/ANDROID_3.4.5/sound/soc/codecs/ak4642.c deleted file mode 100644 index b3e24f28..00000000 --- a/ANDROID_3.4.5/sound/soc/codecs/ak4642.c +++ /dev/null @@ -1,590 +0,0 @@ -/* - * 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 - * - * 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. - */ - -/* ** 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/delay.h> -#include <linux/i2c.h> -#include <linux/slab.h> -#include <linux/module.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 -#define PW_MGMT4 0x20 -#define MD_CTL5 0x21 -#define LO_MS 0x22 -#define HP_MS 0x23 -#define SPK_MS 0x24 - -/* 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*/ - -/* TIMER */ -#define ZTM(param) ((param & 0x3) << 4) /* ALC Zoro 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 FS0 (1 << 0) -#define FS1 (1 << 1) -#define FS2 (1 << 2) -#define FS3 (1 << 5) -#define FS_MASK (FS0 | FS1 | FS2 | FS3) - -/* MD_CTL3 */ -#define BST1 (1 << 3) - -/* MD_CTL4 */ -#define DACH (1 << 0) - -/* - * 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), -}; - -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), -}; - -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("LINEOUT Mixer", PW_MGMT1, 3, 0, - &ak4642_lout_mixer_controls[0], - ARRAY_SIZE(ak4642_lout_mixer_controls)), - - /* DAC */ - SND_SOC_DAPM_DAC("DAC", "HiFi Playback", 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"}, -}; - -/* codec private data */ -struct ak4642_priv { - unsigned int sysclk; - enum snd_soc_control_type control_type; -}; - -/* - * ak4642 register cache - */ -static const u8 ak4642_reg[] = { - 0x00, 0x00, 0x01, 0x00, - 0x02, 0x00, 0x00, 0x00, - 0xe1, 0xe1, 0x18, 0x00, - 0xe1, 0x18, 0x11, 0x08, - 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, - 0x00, -}; - -static const u8 ak4648_reg[] = { - 0x00, 0x00, 0x01, 0x00, - 0x02, 0x00, 0x00, 0x00, - 0xe1, 0xe1, 0x18, 0x00, - 0xe1, 0x18, 0x11, 0xb8, - 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, - 0x00, 0x88, 0x88, 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_codec *codec = dai->codec; - - 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_write(codec, L_IVC, 0x91); /* volume */ - snd_soc_write(codec, 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_write(codec, SG_SL1, PMMP | MGAIN0); - snd_soc_write(codec, TIMER, ZTM(0x3) | WTM(0x3)); - snd_soc_write(codec, ALC_CTL1, ALC | LMTH0); - snd_soc_update_bits(codec, PW_MGMT1, PMADL, PMADL); - snd_soc_update_bits(codec, 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_codec *codec = dai->codec; - - if (is_play) { - } else { - /* stop stereo input */ - snd_soc_update_bits(codec, PW_MGMT1, PMADL, 0); - snd_soc_update_bits(codec, PW_MGMT3, PMADR, 0); - snd_soc_update_bits(codec, 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_codec *codec = codec_dai->codec; - u8 pll; - - 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; - default: - return -EINVAL; - } - snd_soc_update_bits(codec, MD_CTL1, PLL_MASK, pll); - - return 0; -} - -static int ak4642_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) -{ - struct snd_soc_codec *codec = dai->codec; - 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_update_bits(codec, PW_MGMT2, MS | MCKO | PMPLL, data); - snd_soc_update_bits(codec, 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; - break; - } - snd_soc_update_bits(codec, MD_CTL1, DIF_MASK, data); - - 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_codec *codec = dai->codec; - u8 rate; - - switch (params_rate(params)) { - case 7350: - rate = FS2; - break; - case 8000: - rate = 0; - break; - case 11025: - rate = FS2 | FS0; - break; - case 12000: - rate = FS0; - break; - case 14700: - rate = FS2 | FS1; - break; - case 16000: - rate = FS1; - break; - case 22050: - rate = FS2 | FS1 | FS0; - break; - case 24000: - rate = FS1 | FS0; - break; - case 29400: - rate = FS3 | FS2 | FS1; - break; - case 32000: - rate = FS3 | FS1; - break; - case 44100: - rate = FS3 | FS2 | FS1 | FS0; - break; - case 48000: - rate = FS3 | FS1 | FS0; - break; - default: - return -EINVAL; - break; - } - snd_soc_update_bits(codec, MD_CTL2, FS_MASK, rate); - - return 0; -} - -static int ak4642_set_bias_level(struct snd_soc_codec *codec, - enum snd_soc_bias_level level) -{ - switch (level) { - case SND_SOC_BIAS_OFF: - snd_soc_write(codec, PW_MGMT1, 0x00); - break; - default: - snd_soc_update_bits(codec, PW_MGMT1, PMVCM, PMVCM); - break; - } - codec->dapm.bias_level = level; - - 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 = 1, - .channels_max = 2, - .rates = SNDRV_PCM_RATE_8000_48000, - .formats = SNDRV_PCM_FMTBIT_S16_LE }, - .capture = { - .stream_name = "Capture", - .channels_min = 1, - .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_resume(struct snd_soc_codec *codec) -{ - snd_soc_cache_sync(codec); - return 0; -} - - -static int ak4642_probe(struct snd_soc_codec *codec) -{ - struct ak4642_priv *ak4642 = snd_soc_codec_get_drvdata(codec); - int ret; - - ret = snd_soc_codec_set_cache_io(codec, 8, 8, ak4642->control_type); - if (ret < 0) { - dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); - return ret; - } - - snd_soc_add_codec_controls(codec, ak4642_snd_controls, - ARRAY_SIZE(ak4642_snd_controls)); - - ak4642_set_bias_level(codec, SND_SOC_BIAS_STANDBY); - - return 0; -} - -static int ak4642_remove(struct snd_soc_codec *codec) -{ - ak4642_set_bias_level(codec, SND_SOC_BIAS_OFF); - return 0; -} - -static struct snd_soc_codec_driver soc_codec_dev_ak4642 = { - .probe = ak4642_probe, - .remove = ak4642_remove, - .resume = ak4642_resume, - .set_bias_level = ak4642_set_bias_level, - .reg_cache_default = ak4642_reg, /* ak4642 reg */ - .reg_cache_size = ARRAY_SIZE(ak4642_reg), /* ak4642 reg */ - .reg_word_size = sizeof(u8), - .dapm_widgets = ak4642_dapm_widgets, - .num_dapm_widgets = ARRAY_SIZE(ak4642_dapm_widgets), - .dapm_routes = ak4642_intercon, - .num_dapm_routes = ARRAY_SIZE(ak4642_intercon), -}; - -static struct snd_soc_codec_driver soc_codec_dev_ak4648 = { - .probe = ak4642_probe, - .remove = ak4642_remove, - .resume = ak4642_resume, - .set_bias_level = ak4642_set_bias_level, - .reg_cache_default = ak4648_reg, /* ak4648 reg */ - .reg_cache_size = ARRAY_SIZE(ak4648_reg), /* ak4648 reg */ - .reg_word_size = sizeof(u8), - .dapm_widgets = ak4642_dapm_widgets, - .num_dapm_widgets = ARRAY_SIZE(ak4642_dapm_widgets), - .dapm_routes = ak4642_intercon, - .num_dapm_routes = ARRAY_SIZE(ak4642_intercon), -}; - -#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) -static __devinit int ak4642_i2c_probe(struct i2c_client *i2c, - const struct i2c_device_id *id) -{ - struct ak4642_priv *ak4642; - int ret; - - ak4642 = devm_kzalloc(&i2c->dev, sizeof(struct ak4642_priv), - GFP_KERNEL); - if (!ak4642) - return -ENOMEM; - - i2c_set_clientdata(i2c, ak4642); - ak4642->control_type = SND_SOC_I2C; - - ret = snd_soc_register_codec(&i2c->dev, - (struct snd_soc_codec_driver *)id->driver_data, - &ak4642_dai, 1); - return ret; -} - -static __devexit int ak4642_i2c_remove(struct i2c_client *client) -{ - snd_soc_unregister_codec(&client->dev); - return 0; -} - -static const struct i2c_device_id ak4642_i2c_id[] = { - { "ak4642", (kernel_ulong_t)&soc_codec_dev_ak4642 }, - { "ak4643", (kernel_ulong_t)&soc_codec_dev_ak4642 }, - { "ak4648", (kernel_ulong_t)&soc_codec_dev_ak4648 }, - { } -}; -MODULE_DEVICE_TABLE(i2c, ak4642_i2c_id); - -static struct i2c_driver ak4642_i2c_driver = { - .driver = { - .name = "ak4642-codec", - .owner = THIS_MODULE, - }, - .probe = ak4642_i2c_probe, - .remove = __devexit_p(ak4642_i2c_remove), - .id_table = ak4642_i2c_id, -}; -#endif - -static int __init ak4642_modinit(void) -{ - int ret = 0; -#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) - ret = i2c_add_driver(&ak4642_i2c_driver); -#endif - return ret; - -} -module_init(ak4642_modinit); - -static void __exit ak4642_exit(void) -{ -#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) - i2c_del_driver(&ak4642_i2c_driver); -#endif - -} -module_exit(ak4642_exit); - -MODULE_DESCRIPTION("Soc AK4642 driver"); -MODULE_AUTHOR("Kuninori Morimoto <morimoto.kuninori@renesas.com>"); -MODULE_LICENSE("GPL"); |