diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/soc/samsung/smdk_wm8994pcm.c')
| -rw-r--r-- | ANDROID_3.4.5/sound/soc/samsung/smdk_wm8994pcm.c | 166 |
1 files changed, 0 insertions, 166 deletions
diff --git a/ANDROID_3.4.5/sound/soc/samsung/smdk_wm8994pcm.c b/ANDROID_3.4.5/sound/soc/samsung/smdk_wm8994pcm.c deleted file mode 100644 index 77ecba93..00000000 --- a/ANDROID_3.4.5/sound/soc/samsung/smdk_wm8994pcm.c +++ /dev/null @@ -1,166 +0,0 @@ -/* - * sound/soc/samsung/smdk_wm8994pcm.c - * - * Copyright (c) 2011 Samsung Electronics Co., Ltd - * http://www.samsung.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.h> -#include <sound/pcm_params.h> - -#include "../codecs/wm8994.h" -#include "dma.h" -#include "pcm.h" - -/* - * Board Settings: - * o '1' means 'ON' - * o '0' means 'OFF' - * o 'X' means 'Don't care' - * - * SMDKC210, SMDKV310: CFG3- 1001, CFG5-1000, CFG7-111111 - */ - -/* - * Configure audio route as :- - * $ amixer sset 'DAC1' on,on - * $ amixer sset 'Right Headphone Mux' 'DAC' - * $ amixer sset 'Left Headphone Mux' 'DAC' - * $ amixer sset 'DAC1R Mixer AIF1.1' on - * $ amixer sset 'DAC1L Mixer AIF1.1' on - * $ amixer sset 'IN2L' on - * $ amixer sset 'IN2L PGA IN2LN' on - * $ amixer sset 'MIXINL IN2L' on - * $ amixer sset 'AIF1ADC1L Mixer ADC/DMIC' on - * $ amixer sset 'IN2R' on - * $ amixer sset 'IN2R PGA IN2RN' on - * $ amixer sset 'MIXINR IN2R' on - * $ amixer sset 'AIF1ADC1R Mixer ADC/DMIC' on - */ - -/* SMDK has a 16.9344MHZ crystal attached to WM8994 */ -#define SMDK_WM8994_FREQ 16934400 - -static int smdk_wm8994_pcm_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 *codec_dai = rtd->codec_dai; - struct snd_soc_dai *cpu_dai = rtd->cpu_dai; - unsigned long mclk_freq; - int rfs, ret; - - switch(params_rate(params)) { - case 8000: - rfs = 512; - break; - default: - dev_err(cpu_dai->dev, "%s:%d Sampling Rate %u not supported!\n", - __func__, __LINE__, params_rate(params)); - return -EINVAL; - } - - mclk_freq = params_rate(params) * rfs; - - /* Set the codec DAI configuration */ - ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_DSP_B - | SND_SOC_DAIFMT_IB_NF - | SND_SOC_DAIFMT_CBS_CFS); - if (ret < 0) - return ret; - - /* Set the cpu DAI configuration */ - ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_DSP_B - | SND_SOC_DAIFMT_IB_NF - | SND_SOC_DAIFMT_CBS_CFS); - if (ret < 0) - return ret; - - ret = snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_FLL1, - mclk_freq, SND_SOC_CLOCK_IN); - if (ret < 0) - return ret; - - ret = snd_soc_dai_set_pll(codec_dai, WM8994_FLL1, WM8994_FLL_SRC_MCLK1, - SMDK_WM8994_FREQ, mclk_freq); - if (ret < 0) - return ret; - - /* Set PCM source clock on CPU */ - ret = snd_soc_dai_set_sysclk(cpu_dai, S3C_PCM_CLKSRC_MUX, - mclk_freq, SND_SOC_CLOCK_IN); - if (ret < 0) - return ret; - - /* Set SCLK_DIV for making bclk */ - ret = snd_soc_dai_set_clkdiv(cpu_dai, S3C_PCM_SCLK_PER_FS, rfs); - if (ret < 0) - return ret; - - return 0; -} - -static struct snd_soc_ops smdk_wm8994_pcm_ops = { - .hw_params = smdk_wm8994_pcm_hw_params, -}; - -static struct snd_soc_dai_link smdk_dai[] = { - { - .name = "WM8994 PAIF PCM", - .stream_name = "Primary PCM", - .cpu_dai_name = "samsung-pcm.0", - .codec_dai_name = "wm8994-aif1", - .platform_name = "samsung-audio", - .codec_name = "wm8994-codec", - .ops = &smdk_wm8994_pcm_ops, - }, -}; - -static struct snd_soc_card smdk_pcm = { - .name = "SMDK-PCM", - .owner = THIS_MODULE, - .dai_link = smdk_dai, - .num_links = 1, -}; - -static int __devinit snd_smdk_probe(struct platform_device *pdev) -{ - int ret = 0; - - smdk_pcm.dev = &pdev->dev; - ret = snd_soc_register_card(&smdk_pcm); - if (ret) { - dev_err(&pdev->dev, "snd_soc_register_card failed %d\n", ret); - return ret; - } - - return 0; -} - -static int __devexit snd_smdk_remove(struct platform_device *pdev) -{ - snd_soc_unregister_card(&smdk_pcm); - platform_set_drvdata(pdev, NULL); - return 0; -} - -static struct platform_driver snd_smdk_driver = { - .driver = { - .owner = THIS_MODULE, - .name = "samsung-smdk-pcm", - }, - .probe = snd_smdk_probe, - .remove = __devexit_p(snd_smdk_remove), -}; - -module_platform_driver(snd_smdk_driver); - -MODULE_AUTHOR("Sangbeom Kim, <sbkim73@samsung.com>"); -MODULE_DESCRIPTION("ALSA SoC SMDK WM8994 for PCM"); -MODULE_LICENSE("GPL"); |