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Diffstat (limited to 'sound/soc/samsung/smdk_wm8580pcm.c')
-rw-r--r--sound/soc/samsung/smdk_wm8580pcm.c175
1 files changed, 0 insertions, 175 deletions
diff --git a/sound/soc/samsung/smdk_wm8580pcm.c b/sound/soc/samsung/smdk_wm8580pcm.c
deleted file mode 100644
index a6d223310c67..000000000000
--- a/sound/soc/samsung/smdk_wm8580pcm.c
+++ /dev/null
@@ -1,175 +0,0 @@
-/*
- * sound/soc/samsung/smdk_wm8580pcm.c
- *
- * Copyright (c) 2011 Samsung Electronics Co. Ltd
- *
- * 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 <sound/pcm.h>
-
-#include <asm/mach-types.h>
-
-#include "../codecs/wm8580.h"
-#include "pcm.h"
-
-/*
- * Board Settings:
- * o '1' means 'ON'
- * o '0' means 'OFF'
- * o 'X' means 'Don't care'
- *
- * SMDK6410 Base B/D: CFG1-0000, CFG2-1111
- * SMDKC110, SMDKV210: CFGB11-100100, CFGB12-0000
- */
-
-#define SMDK_WM8580_EXT_OSC 12000000
-#define SMDK_WM8580_EXT_MCLK 4096000
-#define SMDK_WM8580_EXT_VOICE 2048000
-
-static unsigned long mclk_freq;
-static unsigned long xtal_freq;
-
-/*
- * If MCLK clock directly gets from XTAL, we don't have to use PLL
- * to make MCLK, but if XTAL clock source connects with other codec
- * pin (like XTI), we should have to set codec's PLL to make MCLK.
- * Because Samsung SoC does not support pcmcdclk output like I2S.
- */
-
-static int smdk_wm8580_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;
- int rfs, ret;
-
- switch (params_rate(params)) {
- case 8000:
- break;
- default:
- printk(KERN_ERR "%s:%d Sampling Rate %u not supported!\n",
- __func__, __LINE__, params_rate(params));
- return -EINVAL;
- }
-
- rfs = mclk_freq / params_rate(params) / 2;
-
- if (mclk_freq == xtal_freq) {
- ret = snd_soc_dai_set_sysclk(codec_dai, WM8580_CLKSRC_MCLK,
- mclk_freq, SND_SOC_CLOCK_IN);
- if (ret < 0)
- return ret;
-
- ret = snd_soc_dai_set_clkdiv(codec_dai, WM8580_MCLK,
- WM8580_CLKSRC_MCLK);
- if (ret < 0)
- return ret;
- } else {
- ret = snd_soc_dai_set_sysclk(codec_dai, WM8580_CLKSRC_PLLA,
- mclk_freq, SND_SOC_CLOCK_IN);
- if (ret < 0)
- return ret;
-
- 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,
- xtal_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_wm8580_pcm_ops = {
- .hw_params = smdk_wm8580_pcm_hw_params,
-};
-
-#define SMDK_DAI_FMT (SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_IB_NF | \
- SND_SOC_DAIFMT_CBS_CFS)
-
-static struct snd_soc_dai_link smdk_dai[] = {
- {
- .name = "WM8580 PAIF PCM RX",
- .stream_name = "Playback",
- .cpu_dai_name = "samsung-pcm.0",
- .codec_dai_name = "wm8580-hifi-playback",
- .platform_name = "samsung-audio",
- .codec_name = "wm8580.0-001b",
- .dai_fmt = SMDK_DAI_FMT,
- .ops = &smdk_wm8580_pcm_ops,
- }, {
- .name = "WM8580 PAIF PCM TX",
- .stream_name = "Capture",
- .cpu_dai_name = "samsung-pcm.0",
- .codec_dai_name = "wm8580-hifi-capture",
- .platform_name = "samsung-pcm.0",
- .codec_name = "wm8580.0-001b",
- .dai_fmt = SMDK_DAI_FMT,
- .ops = &smdk_wm8580_pcm_ops,
- },
-};
-
-static struct snd_soc_card smdk_pcm = {
- .name = "SMDK-PCM",
- .owner = THIS_MODULE,
- .dai_link = smdk_dai,
- .num_links = 2,
-};
-
-/*
- * After SMDKC110 Base Board's Rev is '0.1', 12MHz External OSC(X1)
- * is absent (or not connected), so we connect EXT_VOICE_CLK(OSC4),
- * 2.0484Mhz, directly with MCLK both Codec and SoC.
- */
-static int snd_smdk_probe(struct platform_device *pdev)
-{
- int ret = 0;
-
- xtal_freq = SMDK_WM8580_EXT_OSC;
- mclk_freq = SMDK_WM8580_EXT_MCLK;
-
- if (machine_is_smdkc110() || machine_is_smdkv210())
- xtal_freq = mclk_freq = SMDK_WM8580_EXT_VOICE;
-
- smdk_pcm.dev = &pdev->dev;
- ret = devm_snd_soc_register_card(&pdev->dev, &smdk_pcm);
- if (ret)
- dev_err(&pdev->dev, "snd_soc_register_card failed %d\n", ret);
-
- return ret;
-}
-
-static struct platform_driver snd_smdk_driver = {
- .driver = {
- .name = "samsung-smdk-pcm",
- },
- .probe = snd_smdk_probe,
-};
-
-module_platform_driver(snd_smdk_driver);
-
-MODULE_AUTHOR("Sangbeom Kim, <sbkim73@samsung.com>");
-MODULE_DESCRIPTION("ALSA SoC SMDK WM8580 for PCM");
-MODULE_LICENSE("GPL");