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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/sound/soc/davinci/davinci-vcif.c
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/sound/soc/davinci/davinci-vcif.c')
-rw-r--r--ANDROID_3.4.5/sound/soc/davinci/davinci-vcif.c266
1 files changed, 0 insertions, 266 deletions
diff --git a/ANDROID_3.4.5/sound/soc/davinci/davinci-vcif.c b/ANDROID_3.4.5/sound/soc/davinci/davinci-vcif.c
deleted file mode 100644
index da030ff8..00000000
--- a/ANDROID_3.4.5/sound/soc/davinci/davinci-vcif.c
+++ /dev/null
@@ -1,266 +0,0 @@
-/*
- * ALSA SoC Voice Codec Interface for TI DAVINCI processor
- *
- * Copyright (C) 2010 Texas Instruments.
- *
- * Author: Miguel Aguilar <miguel.aguilar@ridgerun.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.
- *
- * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/device.h>
-#include <linux/delay.h>
-#include <linux/slab.h>
-#include <linux/io.h>
-#include <linux/mfd/davinci_voicecodec.h>
-
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/pcm_params.h>
-#include <sound/initval.h>
-#include <sound/soc.h>
-
-#include "davinci-pcm.h"
-#include "davinci-i2s.h"
-
-#define MOD_REG_BIT(val, mask, set) do { \
- if (set) { \
- val |= mask; \
- } else { \
- val &= ~mask; \
- } \
-} while (0)
-
-struct davinci_vcif_dev {
- struct davinci_vc *davinci_vc;
- struct davinci_pcm_dma_params dma_params[2];
-};
-
-static void davinci_vcif_start(struct snd_pcm_substream *substream)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct davinci_vcif_dev *davinci_vcif_dev =
- snd_soc_dai_get_drvdata(rtd->cpu_dai);
- struct davinci_vc *davinci_vc = davinci_vcif_dev->davinci_vc;
- u32 w;
-
- /* Start the sample generator and enable transmitter/receiver */
- w = readl(davinci_vc->base + DAVINCI_VC_CTRL);
-
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
- MOD_REG_BIT(w, DAVINCI_VC_CTRL_RSTDAC, 0);
- else
- MOD_REG_BIT(w, DAVINCI_VC_CTRL_RSTADC, 0);
-
- writel(w, davinci_vc->base + DAVINCI_VC_CTRL);
-}
-
-static void davinci_vcif_stop(struct snd_pcm_substream *substream)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct davinci_vcif_dev *davinci_vcif_dev =
- snd_soc_dai_get_drvdata(rtd->cpu_dai);
- struct davinci_vc *davinci_vc = davinci_vcif_dev->davinci_vc;
- u32 w;
-
- /* Reset transmitter/receiver and sample rate/frame sync generators */
- w = readl(davinci_vc->base + DAVINCI_VC_CTRL);
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
- MOD_REG_BIT(w, DAVINCI_VC_CTRL_RSTDAC, 1);
- else
- MOD_REG_BIT(w, DAVINCI_VC_CTRL_RSTADC, 1);
-
- writel(w, davinci_vc->base + DAVINCI_VC_CTRL);
-}
-
-static int davinci_vcif_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params,
- struct snd_soc_dai *dai)
-{
- struct davinci_vcif_dev *davinci_vcif_dev = snd_soc_dai_get_drvdata(dai);
- struct davinci_vc *davinci_vc = davinci_vcif_dev->davinci_vc;
- struct davinci_pcm_dma_params *dma_params =
- &davinci_vcif_dev->dma_params[substream->stream];
- u32 w;
-
- /* Restart the codec before setup */
- davinci_vcif_stop(substream);
- davinci_vcif_start(substream);
-
- /* General line settings */
- writel(DAVINCI_VC_CTRL_MASK, davinci_vc->base + DAVINCI_VC_CTRL);
-
- writel(DAVINCI_VC_INT_MASK, davinci_vc->base + DAVINCI_VC_INTCLR);
-
- writel(DAVINCI_VC_INT_MASK, davinci_vc->base + DAVINCI_VC_INTEN);
-
- w = readl(davinci_vc->base + DAVINCI_VC_CTRL);
-
- /* Determine xfer data type */
- switch (params_format(params)) {
- case SNDRV_PCM_FORMAT_U8:
- dma_params->data_type = 0;
-
- MOD_REG_BIT(w, DAVINCI_VC_CTRL_RD_BITS_8 |
- DAVINCI_VC_CTRL_RD_UNSIGNED |
- DAVINCI_VC_CTRL_WD_BITS_8 |
- DAVINCI_VC_CTRL_WD_UNSIGNED, 1);
- break;
- case SNDRV_PCM_FORMAT_S8:
- dma_params->data_type = 1;
-
- MOD_REG_BIT(w, DAVINCI_VC_CTRL_RD_BITS_8 |
- DAVINCI_VC_CTRL_WD_BITS_8, 1);
-
- MOD_REG_BIT(w, DAVINCI_VC_CTRL_RD_UNSIGNED |
- DAVINCI_VC_CTRL_WD_UNSIGNED, 0);
- break;
- case SNDRV_PCM_FORMAT_S16_LE:
- dma_params->data_type = 2;
-
- MOD_REG_BIT(w, DAVINCI_VC_CTRL_RD_BITS_8 |
- DAVINCI_VC_CTRL_RD_UNSIGNED |
- DAVINCI_VC_CTRL_WD_BITS_8 |
- DAVINCI_VC_CTRL_WD_UNSIGNED, 0);
- break;
- default:
- printk(KERN_WARNING "davinci-vcif: unsupported PCM format");
- return -EINVAL;
- }
-
- dma_params->acnt = dma_params->data_type;
-
- writel(w, davinci_vc->base + DAVINCI_VC_CTRL);
-
- return 0;
-}
-
-static int davinci_vcif_trigger(struct snd_pcm_substream *substream, int cmd,
- struct snd_soc_dai *dai)
-{
- int ret = 0;
-
- switch (cmd) {
- case SNDRV_PCM_TRIGGER_START:
- case SNDRV_PCM_TRIGGER_RESUME:
- case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
- davinci_vcif_start(substream);
- break;
- case SNDRV_PCM_TRIGGER_STOP:
- case SNDRV_PCM_TRIGGER_SUSPEND:
- case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
- davinci_vcif_stop(substream);
- break;
- default:
- ret = -EINVAL;
- }
-
- return ret;
-}
-
-static int davinci_vcif_startup(struct snd_pcm_substream *substream,
- struct snd_soc_dai *dai)
-{
- struct davinci_vcif_dev *dev = snd_soc_dai_get_drvdata(dai);
-
- snd_soc_dai_set_dma_data(dai, substream, dev->dma_params);
- return 0;
-}
-
-#define DAVINCI_VCIF_RATES SNDRV_PCM_RATE_8000_48000
-
-static const struct snd_soc_dai_ops davinci_vcif_dai_ops = {
- .startup = davinci_vcif_startup,
- .trigger = davinci_vcif_trigger,
- .hw_params = davinci_vcif_hw_params,
-};
-
-static struct snd_soc_dai_driver davinci_vcif_dai = {
- .playback = {
- .channels_min = 1,
- .channels_max = 2,
- .rates = DAVINCI_VCIF_RATES,
- .formats = SNDRV_PCM_FMTBIT_S16_LE,},
- .capture = {
- .channels_min = 1,
- .channels_max = 2,
- .rates = DAVINCI_VCIF_RATES,
- .formats = SNDRV_PCM_FMTBIT_S16_LE,},
- .ops = &davinci_vcif_dai_ops,
-
-};
-
-static int davinci_vcif_probe(struct platform_device *pdev)
-{
- struct davinci_vc *davinci_vc = pdev->dev.platform_data;
- struct davinci_vcif_dev *davinci_vcif_dev;
- int ret;
-
- davinci_vcif_dev = devm_kzalloc(&pdev->dev,
- sizeof(struct davinci_vcif_dev),
- GFP_KERNEL);
- if (!davinci_vcif_dev) {
- dev_dbg(&pdev->dev,
- "could not allocate memory for private data\n");
- return -ENOMEM;
- }
-
- /* DMA tx params */
- davinci_vcif_dev->davinci_vc = davinci_vc;
- davinci_vcif_dev->dma_params[SNDRV_PCM_STREAM_PLAYBACK].channel =
- davinci_vc->davinci_vcif.dma_tx_channel;
- davinci_vcif_dev->dma_params[SNDRV_PCM_STREAM_PLAYBACK].dma_addr =
- davinci_vc->davinci_vcif.dma_tx_addr;
-
- /* DMA rx params */
- davinci_vcif_dev->dma_params[SNDRV_PCM_STREAM_CAPTURE].channel =
- davinci_vc->davinci_vcif.dma_rx_channel;
- davinci_vcif_dev->dma_params[SNDRV_PCM_STREAM_CAPTURE].dma_addr =
- davinci_vc->davinci_vcif.dma_rx_addr;
-
- dev_set_drvdata(&pdev->dev, davinci_vcif_dev);
-
- ret = snd_soc_register_dai(&pdev->dev, &davinci_vcif_dai);
- if (ret != 0) {
- dev_err(&pdev->dev, "could not register dai\n");
- return ret;
- }
-
- return 0;
-}
-
-static int davinci_vcif_remove(struct platform_device *pdev)
-{
- snd_soc_unregister_dai(&pdev->dev);
-
- return 0;
-}
-
-static struct platform_driver davinci_vcif_driver = {
- .probe = davinci_vcif_probe,
- .remove = davinci_vcif_remove,
- .driver = {
- .name = "davinci-vcif",
- .owner = THIS_MODULE,
- },
-};
-
-module_platform_driver(davinci_vcif_driver);
-
-MODULE_AUTHOR("Miguel Aguilar");
-MODULE_DESCRIPTION("Texas Instruments DaVinci ASoC Voice Codec Interface");
-MODULE_LICENSE("GPL");