diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/soc/samsung/smdk_wm8580.c')
| -rw-r--r-- | ANDROID_3.4.5/sound/soc/samsung/smdk_wm8580.c | 258 |
1 files changed, 0 insertions, 258 deletions
diff --git a/ANDROID_3.4.5/sound/soc/samsung/smdk_wm8580.c b/ANDROID_3.4.5/sound/soc/samsung/smdk_wm8580.c deleted file mode 100644 index ade2809c..00000000 --- a/ANDROID_3.4.5/sound/soc/samsung/smdk_wm8580.c +++ /dev/null @@ -1,258 +0,0 @@ -/* - * smdk_wm8580.c - * - * Copyright (c) 2009 Samsung Electronics Co. Ltd - * Author: Jaswinder Singh <jassisinghbrar@gmail.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - */ - -#include <linux/module.h> -#include <sound/soc.h> -#include <sound/pcm_params.h> - -#include <asm/mach-types.h> - -#include "../codecs/wm8580.h" -#include "i2s.h" - -/* - * Default CFG switch settings to use this driver: - * - * SMDK6410: Set CFG1 1-3 Off, CFG2 1-4 On - */ - -/* SMDK has a 12MHZ crystal attached to WM8580 */ -#define SMDK_WM8580_FREQ 12000000 - -static int smdk_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_dai *cpu_dai = rtd->cpu_dai; - struct snd_soc_dai *codec_dai = rtd->codec_dai; - unsigned int pll_out; - int bfs, rfs, ret; - - switch (params_format(params)) { - case SNDRV_PCM_FORMAT_U8: - case SNDRV_PCM_FORMAT_S8: - bfs = 16; - break; - case SNDRV_PCM_FORMAT_U16_LE: - case SNDRV_PCM_FORMAT_S16_LE: - bfs = 32; - break; - default: - return -EINVAL; - } - - /* The Fvco for WM8580 PLLs must fall within [90,100]MHz. - * This criterion can't be met if we request PLL output - * as {8000x256, 64000x256, 11025x256}Hz. - * As a wayout, we rather change rfs to a minimum value that - * results in (params_rate(params) * rfs), and itself, acceptable - * to both - the CODEC and the CPU. - */ - switch (params_rate(params)) { - case 16000: - case 22050: - case 32000: - case 44100: - case 48000: - case 88200: - case 96000: - rfs = 256; - break; - case 64000: - rfs = 384; - break; - case 8000: - case 11025: - rfs = 512; - break; - default: - return -EINVAL; - } - pll_out = params_rate(params) * rfs; - - /* Set the Codec DAI configuration */ - ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S - | SND_SOC_DAIFMT_NB_NF - | SND_SOC_DAIFMT_CBM_CFM); - if (ret < 0) - return ret; - - /* Set the AP DAI configuration */ - ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S - | SND_SOC_DAIFMT_NB_NF - | SND_SOC_DAIFMT_CBM_CFM); - if (ret < 0) - return ret; - - /* Set WM8580 to drive MCLK from its PLLA */ - ret = snd_soc_dai_set_clkdiv(codec_dai, WM8580_MCLK, - WM8580_CLKSRC_PLLA); - if (ret < 0) - return ret; - - ret = snd_soc_dai_set_pll(codec_dai, WM8580_PLLA, 0, - SMDK_WM8580_FREQ, pll_out); - if (ret < 0) - return ret; - - ret = snd_soc_dai_set_sysclk(codec_dai, WM8580_CLKSRC_PLLA, - pll_out, SND_SOC_CLOCK_IN); - if (ret < 0) - return ret; - - return 0; -} - -/* - * SMDK WM8580 DAI operations. - */ -static struct snd_soc_ops smdk_ops = { - .hw_params = smdk_hw_params, -}; - -/* SMDK Playback widgets */ -static const struct snd_soc_dapm_widget smdk_wm8580_dapm_widgets[] = { - SND_SOC_DAPM_HP("Front", NULL), - SND_SOC_DAPM_HP("Center+Sub", NULL), - SND_SOC_DAPM_HP("Rear", NULL), - - SND_SOC_DAPM_MIC("MicIn", NULL), - SND_SOC_DAPM_LINE("LineIn", NULL), -}; - -/* SMDK-PAIFTX connections */ -static const struct snd_soc_dapm_route smdk_wm8580_audio_map[] = { - /* MicIn feeds AINL */ - {"AINL", NULL, "MicIn"}, - - /* LineIn feeds AINL/R */ - {"AINL", NULL, "LineIn"}, - {"AINR", NULL, "LineIn"}, - - /* Front Left/Right are fed VOUT1L/R */ - {"Front", NULL, "VOUT1L"}, - {"Front", NULL, "VOUT1R"}, - - /* Center/Sub are fed VOUT2L/R */ - {"Center+Sub", NULL, "VOUT2L"}, - {"Center+Sub", NULL, "VOUT2R"}, - - /* Rear Left/Right are fed VOUT3L/R */ - {"Rear", NULL, "VOUT3L"}, - {"Rear", NULL, "VOUT3R"}, -}; - -static int smdk_wm8580_init_paiftx(struct snd_soc_pcm_runtime *rtd) -{ - struct snd_soc_codec *codec = rtd->codec; - struct snd_soc_dapm_context *dapm = &codec->dapm; - - /* Enabling the microphone requires the fitting of a 0R - * resistor to connect the line from the microphone jack. - */ - snd_soc_dapm_disable_pin(dapm, "MicIn"); - - return 0; -} - -enum { - PRI_PLAYBACK = 0, - PRI_CAPTURE, - SEC_PLAYBACK, -}; - -static struct snd_soc_dai_link smdk_dai[] = { - [PRI_PLAYBACK] = { /* Primary Playback i/f */ - .name = "WM8580 PAIF RX", - .stream_name = "Playback", - .cpu_dai_name = "samsung-i2s.0", - .codec_dai_name = "wm8580-hifi-playback", - .platform_name = "samsung-audio", - .codec_name = "wm8580.0-001b", - .ops = &smdk_ops, - }, - [PRI_CAPTURE] = { /* Primary Capture i/f */ - .name = "WM8580 PAIF TX", - .stream_name = "Capture", - .cpu_dai_name = "samsung-i2s.0", - .codec_dai_name = "wm8580-hifi-capture", - .platform_name = "samsung-audio", - .codec_name = "wm8580.0-001b", - .init = smdk_wm8580_init_paiftx, - .ops = &smdk_ops, - }, - [SEC_PLAYBACK] = { /* Sec_Fifo Playback i/f */ - .name = "Sec_FIFO TX", - .stream_name = "Playback", - .cpu_dai_name = "samsung-i2s.x", - .codec_dai_name = "wm8580-hifi-playback", - .platform_name = "samsung-audio", - .codec_name = "wm8580.0-001b", - .ops = &smdk_ops, - }, -}; - -static struct snd_soc_card smdk = { - .name = "SMDK-I2S", - .owner = THIS_MODULE, - .dai_link = smdk_dai, - .num_links = 2, - - .dapm_widgets = smdk_wm8580_dapm_widgets, - .num_dapm_widgets = ARRAY_SIZE(smdk_wm8580_dapm_widgets), - .dapm_routes = smdk_wm8580_audio_map, - .num_dapm_routes = ARRAY_SIZE(smdk_wm8580_audio_map), -}; - -static struct platform_device *smdk_snd_device; - -static int __init smdk_audio_init(void) -{ - int ret; - char *str; - - if (machine_is_smdkc100() - || machine_is_smdkv210() || machine_is_smdkc110()) { - smdk.num_links = 3; - /* Secondary is at offset SAMSUNG_I2S_SECOFF from Primary */ - str = (char *)smdk_dai[SEC_PLAYBACK].cpu_dai_name; - str[strlen(str) - 1] = '0' + SAMSUNG_I2S_SECOFF; - } else if (machine_is_smdk6410()) { - str = (char *)smdk_dai[PRI_PLAYBACK].cpu_dai_name; - str[strlen(str) - 1] = '2'; - str = (char *)smdk_dai[PRI_CAPTURE].cpu_dai_name; - str[strlen(str) - 1] = '2'; - } - - smdk_snd_device = platform_device_alloc("soc-audio", -1); - if (!smdk_snd_device) - return -ENOMEM; - - platform_set_drvdata(smdk_snd_device, &smdk); - ret = platform_device_add(smdk_snd_device); - - if (ret) - platform_device_put(smdk_snd_device); - - return ret; -} -module_init(smdk_audio_init); - -static void __exit smdk_audio_exit(void) -{ - platform_device_unregister(smdk_snd_device); -} -module_exit(smdk_audio_exit); - -MODULE_AUTHOR("Jaswinder Singh, jassisinghbrar@gmail.com"); -MODULE_DESCRIPTION("ALSA SoC SMDK WM8580"); -MODULE_LICENSE("GPL"); |