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-rw-r--r--sound/soc/blackfin/bf6xx-i2s.c239
1 files changed, 0 insertions, 239 deletions
diff --git a/sound/soc/blackfin/bf6xx-i2s.c b/sound/soc/blackfin/bf6xx-i2s.c
deleted file mode 100644
index 819cff149a25..000000000000
--- a/sound/soc/blackfin/bf6xx-i2s.c
+++ /dev/null
@@ -1,239 +0,0 @@
-/*
- * bf6xx-i2s.c - Analog Devices BF6XX i2s interface driver
- *
- * Copyright (c) 2012 Analog Devices Inc.
- *
- * 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.
- *
- * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/device.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <sound/pcm.h>
-#include <sound/pcm_params.h>
-#include <sound/soc.h>
-#include <sound/soc-dai.h>
-
-#include "bf6xx-sport.h"
-
-struct sport_params param;
-
-static int bfin_i2s_set_dai_fmt(struct snd_soc_dai *cpu_dai,
- unsigned int fmt)
-{
- struct sport_device *sport = snd_soc_dai_get_drvdata(cpu_dai);
- struct device *dev = &sport->pdev->dev;
- int ret = 0;
-
- param.spctl &= ~(SPORT_CTL_OPMODE | SPORT_CTL_CKRE | SPORT_CTL_FSR
- | SPORT_CTL_LFS | SPORT_CTL_LAFS);
- switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
- case SND_SOC_DAIFMT_I2S:
- param.spctl |= SPORT_CTL_OPMODE | SPORT_CTL_CKRE
- | SPORT_CTL_LFS;
- break;
- case SND_SOC_DAIFMT_DSP_A:
- param.spctl |= SPORT_CTL_FSR;
- break;
- case SND_SOC_DAIFMT_LEFT_J:
- param.spctl |= SPORT_CTL_OPMODE | SPORT_CTL_LFS
- | SPORT_CTL_LAFS;
- break;
- default:
- dev_err(dev, "%s: Unknown DAI format type\n", __func__);
- ret = -EINVAL;
- break;
- }
-
- param.spctl &= ~(SPORT_CTL_ICLK | SPORT_CTL_IFS);
- switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
- case SND_SOC_DAIFMT_CBM_CFM:
- break;
- case SND_SOC_DAIFMT_CBS_CFS:
- case SND_SOC_DAIFMT_CBM_CFS:
- case SND_SOC_DAIFMT_CBS_CFM:
- ret = -EINVAL;
- break;
- default:
- dev_err(dev, "%s: Unknown DAI master type\n", __func__);
- ret = -EINVAL;
- break;
- }
-
- return ret;
-}
-
-static int bfin_i2s_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params,
- struct snd_soc_dai *dai)
-{
- struct sport_device *sport = snd_soc_dai_get_drvdata(dai);
- struct device *dev = &sport->pdev->dev;
- int ret = 0;
-
- param.spctl &= ~SPORT_CTL_SLEN;
- switch (params_format(params)) {
- case SNDRV_PCM_FORMAT_S8:
- param.spctl |= 0x70;
- sport->wdsize = 1;
- break;
- case SNDRV_PCM_FORMAT_S16_LE:
- param.spctl |= 0xf0;
- sport->wdsize = 2;
- break;
- case SNDRV_PCM_FORMAT_S24_LE:
- param.spctl |= 0x170;
- sport->wdsize = 3;
- break;
- case SNDRV_PCM_FORMAT_S32_LE:
- param.spctl |= 0x1f0;
- sport->wdsize = 4;
- break;
- }
-
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
- ret = sport_set_tx_params(sport, &param);
- if (ret) {
- dev_err(dev, "SPORT tx is busy!\n");
- return ret;
- }
- } else {
- ret = sport_set_rx_params(sport, &param);
- if (ret) {
- dev_err(dev, "SPORT rx is busy!\n");
- return ret;
- }
- }
- return 0;
-}
-
-#ifdef CONFIG_PM
-static int bfin_i2s_suspend(struct snd_soc_dai *dai)
-{
- struct sport_device *sport = snd_soc_dai_get_drvdata(dai);
-
- if (dai->capture_active)
- sport_rx_stop(sport);
- if (dai->playback_active)
- sport_tx_stop(sport);
- return 0;
-}
-
-static int bfin_i2s_resume(struct snd_soc_dai *dai)
-{
- struct sport_device *sport = snd_soc_dai_get_drvdata(dai);
- struct device *dev = &sport->pdev->dev;
- int ret;
-
- ret = sport_set_tx_params(sport, &param);
- if (ret) {
- dev_err(dev, "SPORT tx is busy!\n");
- return ret;
- }
- ret = sport_set_rx_params(sport, &param);
- if (ret) {
- dev_err(dev, "SPORT rx is busy!\n");
- return ret;
- }
-
- return 0;
-}
-
-#else
-#define bfin_i2s_suspend NULL
-#define bfin_i2s_resume NULL
-#endif
-
-#define BFIN_I2S_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
- SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | \
- SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | \
- SNDRV_PCM_RATE_96000)
-
-#define BFIN_I2S_FORMATS (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE | \
- SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
-
-static const struct snd_soc_dai_ops bfin_i2s_dai_ops = {
- .hw_params = bfin_i2s_hw_params,
- .set_fmt = bfin_i2s_set_dai_fmt,
-};
-
-static struct snd_soc_dai_driver bfin_i2s_dai = {
- .suspend = bfin_i2s_suspend,
- .resume = bfin_i2s_resume,
- .playback = {
- .channels_min = 1,
- .channels_max = 2,
- .rates = BFIN_I2S_RATES,
- .formats = BFIN_I2S_FORMATS,
- },
- .capture = {
- .channels_min = 1,
- .channels_max = 2,
- .rates = BFIN_I2S_RATES,
- .formats = BFIN_I2S_FORMATS,
- },
- .ops = &bfin_i2s_dai_ops,
-};
-
-static const struct snd_soc_component_driver bfin_i2s_component = {
- .name = "bfin-i2s",
-};
-
-static int bfin_i2s_probe(struct platform_device *pdev)
-{
- struct sport_device *sport;
- struct device *dev = &pdev->dev;
- int ret;
-
- sport = sport_create(pdev);
- if (!sport)
- return -ENODEV;
-
- /* register with the ASoC layers */
- ret = snd_soc_register_component(dev, &bfin_i2s_component,
- &bfin_i2s_dai, 1);
- if (ret) {
- dev_err(dev, "Failed to register DAI: %d\n", ret);
- sport_delete(sport);
- return ret;
- }
- platform_set_drvdata(pdev, sport);
-
- return 0;
-}
-
-static int bfin_i2s_remove(struct platform_device *pdev)
-{
- struct sport_device *sport = platform_get_drvdata(pdev);
-
- snd_soc_unregister_component(&pdev->dev);
- sport_delete(sport);
-
- return 0;
-}
-
-static struct platform_driver bfin_i2s_driver = {
- .probe = bfin_i2s_probe,
- .remove = bfin_i2s_remove,
- .driver = {
- .name = "bfin-i2s",
- },
-};
-
-module_platform_driver(bfin_i2s_driver);
-
-MODULE_DESCRIPTION("Analog Devices BF6XX i2s interface driver");
-MODULE_AUTHOR("Scott Jiang <Scott.Jiang.Linux@gmail.com>");
-MODULE_LICENSE("GPL v2");