diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/soc/mxs/mxs-sgtl5000.c')
| -rw-r--r-- | ANDROID_3.4.5/sound/soc/mxs/mxs-sgtl5000.c | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/ANDROID_3.4.5/sound/soc/mxs/mxs-sgtl5000.c b/ANDROID_3.4.5/sound/soc/mxs/mxs-sgtl5000.c deleted file mode 100644 index 60f052b7..00000000 --- a/ANDROID_3.4.5/sound/soc/mxs/mxs-sgtl5000.c +++ /dev/null @@ -1,165 +0,0 @@ -/* - * Copyright 2011 Freescale Semiconductor, Inc. - * - * 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. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include <linux/module.h> -#include <linux/device.h> -#include <sound/core.h> -#include <sound/pcm.h> -#include <sound/soc.h> -#include <sound/jack.h> -#include <sound/soc-dapm.h> -#include <asm/mach-types.h> - -#include "../codecs/sgtl5000.h" -#include "mxs-saif.h" - -static int mxs_sgtl5000_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 int rate = params_rate(params); - u32 dai_format, mclk; - int ret; - - /* sgtl5000 does not support 512*rate when in 96000 fs */ - switch (rate) { - case 96000: - mclk = 256 * rate; - break; - default: - mclk = 512 * rate; - break; - } - - /* Sgtl5000 sysclk should be >= 8MHz and <= 27M */ - if (mclk < 8000000 || mclk > 27000000) - return -EINVAL; - - /* Set SGTL5000's SYSCLK (provided by SAIF MCLK) */ - ret = snd_soc_dai_set_sysclk(codec_dai, SGTL5000_SYSCLK, mclk, 0); - if (ret) - return ret; - - /* The SAIF MCLK should be the same as SGTL5000_SYSCLK */ - ret = snd_soc_dai_set_sysclk(cpu_dai, MXS_SAIF_MCLK, mclk, 0); - if (ret) - return ret; - - /* set codec to slave mode */ - dai_format = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | - SND_SOC_DAIFMT_CBS_CFS; - - /* set codec DAI configuration */ - ret = snd_soc_dai_set_fmt(codec_dai, dai_format); - if (ret) - return ret; - - /* set cpu DAI configuration */ - ret = snd_soc_dai_set_fmt(cpu_dai, dai_format); - if (ret) - return ret; - - return 0; -} - -static struct snd_soc_ops mxs_sgtl5000_hifi_ops = { - .hw_params = mxs_sgtl5000_hw_params, -}; - -static struct snd_soc_dai_link mxs_sgtl5000_dai[] = { - { - .name = "HiFi Tx", - .stream_name = "HiFi Playback", - .codec_dai_name = "sgtl5000", - .codec_name = "sgtl5000.0-000a", - .cpu_dai_name = "mxs-saif.0", - .platform_name = "mxs-pcm-audio.0", - .ops = &mxs_sgtl5000_hifi_ops, - }, { - .name = "HiFi Rx", - .stream_name = "HiFi Capture", - .codec_dai_name = "sgtl5000", - .codec_name = "sgtl5000.0-000a", - .cpu_dai_name = "mxs-saif.1", - .platform_name = "mxs-pcm-audio.1", - .ops = &mxs_sgtl5000_hifi_ops, - }, -}; - -static struct snd_soc_card mxs_sgtl5000 = { - .name = "mxs_sgtl5000", - .owner = THIS_MODULE, - .dai_link = mxs_sgtl5000_dai, - .num_links = ARRAY_SIZE(mxs_sgtl5000_dai), -}; - -static int __devinit mxs_sgtl5000_probe(struct platform_device *pdev) -{ - struct snd_soc_card *card = &mxs_sgtl5000; - int ret; - - /* - * Set an init clock(11.28Mhz) for sgtl5000 initialization(i2c r/w). - * The Sgtl5000 sysclk is derived from saif0 mclk and it's range - * should be >= 8MHz and <= 27M. - */ - ret = mxs_saif_get_mclk(0, 44100 * 256, 44100); - if (ret) - return ret; - - card->dev = &pdev->dev; - platform_set_drvdata(pdev, card); - - ret = snd_soc_register_card(card); - if (ret) { - dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", - ret); - return ret; - } - - return 0; -} - -static int __devexit mxs_sgtl5000_remove(struct platform_device *pdev) -{ - struct snd_soc_card *card = platform_get_drvdata(pdev); - - mxs_saif_put_mclk(0); - - snd_soc_unregister_card(card); - - return 0; -} - -static struct platform_driver mxs_sgtl5000_audio_driver = { - .driver = { - .name = "mxs-sgtl5000", - .owner = THIS_MODULE, - }, - .probe = mxs_sgtl5000_probe, - .remove = __devexit_p(mxs_sgtl5000_remove), -}; - -module_platform_driver(mxs_sgtl5000_audio_driver); - -MODULE_AUTHOR("Freescale Semiconductor, Inc."); -MODULE_DESCRIPTION("MXS ALSA SoC Machine driver"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:mxs-sgtl5000"); |