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Merge remote-tracking branch 'asoc/topic/davinci' into asoc-next

This commit is contained in:
Mark Brown 2014-03-23 14:00:50 +00:00
parent b4d032b3fb 8de131f2e6
commit e22c3980b9
4 changed files with 106 additions and 19 deletions
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22
sound/soc/davinci/davinci-evm.c
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@ -123,35 +123,29 @@ static const struct snd_soc_dapm_route audio_map[] = {
/* Logic for a aic3x as connected on a davinci-evm */
static int evm_aic3x_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_card *card = rtd->card;
struct snd_soc_codec *codec = rtd->codec;
struct snd_soc_dapm_context *dapm = &codec->dapm;
struct device_node *np = codec->card->dev->of_node;
int ret;
/* Add davinci-evm specific widgets */
snd_soc_dapm_new_controls(dapm, aic3x_dapm_widgets,
snd_soc_dapm_new_controls(&card->dapm, aic3x_dapm_widgets,
ARRAY_SIZE(aic3x_dapm_widgets));
if (np) {
ret = snd_soc_of_parse_audio_routing(codec->card,
"ti,audio-routing");
ret = snd_soc_of_parse_audio_routing(card, "ti,audio-routing");
if (ret)
return ret;
} else {
/* Set up davinci-evm specific audio path audio_map */
snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
snd_soc_dapm_add_routes(&card->dapm, audio_map,
ARRAY_SIZE(audio_map));
}
/* not connected */
snd_soc_dapm_disable_pin(dapm, "MONO_LOUT");
snd_soc_dapm_disable_pin(dapm, "HPLCOM");
snd_soc_dapm_disable_pin(dapm, "HPRCOM");
/* always connected */
snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
snd_soc_dapm_enable_pin(dapm, "Line Out");
snd_soc_dapm_enable_pin(dapm, "Mic Jack");
snd_soc_dapm_enable_pin(dapm, "Line In");
snd_soc_dapm_nc_pin(&codec->dapm, "MONO_LOUT");
snd_soc_dapm_nc_pin(&codec->dapm, "HPLCOM");
snd_soc_dapm_nc_pin(&codec->dapm, "HPRCOM");
return 0;
}

21
sound/soc/davinci/davinci-mcasp.c
View File

@ -1026,6 +1026,7 @@ nodata:
static int davinci_mcasp_probe(struct platform_device *pdev)
{
struct davinci_pcm_dma_params *dma_params;
struct snd_dmaengine_dai_dma_data *dma_data;
struct resource *mem, *ioarea, *res, *dat;
struct davinci_mcasp_pdata *pdata;
struct davinci_mcasp *mcasp;
@ -1095,6 +1096,7 @@ static int davinci_mcasp_probe(struct platform_device *pdev)
mcasp->dat_port = true;
dma_params = &mcasp->dma_params[SNDRV_PCM_STREAM_PLAYBACK];
dma_data = &mcasp->dma_data[SNDRV_PCM_STREAM_PLAYBACK];
dma_params->asp_chan_q = pdata->asp_chan_q;
dma_params->ram_chan_q = pdata->ram_chan_q;
dma_params->sram_pool = pdata->sram_pool;
@ -1105,7 +1107,7 @@ static int davinci_mcasp_probe(struct platform_device *pdev)
dma_params->dma_addr = mem->start + pdata->tx_dma_offset;
/* Unconditional dmaengine stuff */
mcasp->dma_data[SNDRV_PCM_STREAM_PLAYBACK].addr = dma_params->dma_addr;
dma_data->addr = dma_params->dma_addr;
res = platform_get_resource(pdev, IORESOURCE_DMA, 0);
if (res)
@ -1113,7 +1115,14 @@ static int davinci_mcasp_probe(struct platform_device *pdev)
else
dma_params->channel = pdata->tx_dma_channel;
/* dmaengine filter data for DT and non-DT boot */
if (pdev->dev.of_node)
dma_data->filter_data = "tx";
else
dma_data->filter_data = &dma_params->channel;
dma_params = &mcasp->dma_params[SNDRV_PCM_STREAM_CAPTURE];
dma_data = &mcasp->dma_data[SNDRV_PCM_STREAM_CAPTURE];
dma_params->asp_chan_q = pdata->asp_chan_q;
dma_params->ram_chan_q = pdata->ram_chan_q;
dma_params->sram_pool = pdata->sram_pool;
@ -1124,7 +1133,7 @@ static int davinci_mcasp_probe(struct platform_device *pdev)
dma_params->dma_addr = mem->start + pdata->rx_dma_offset;
/* Unconditional dmaengine stuff */
mcasp->dma_data[SNDRV_PCM_STREAM_CAPTURE].addr = dma_params->dma_addr;
dma_data->addr = dma_params->dma_addr;
if (mcasp->version < MCASP_VERSION_3) {
mcasp->fifo_base = DAVINCI_MCASP_V2_AFIFO_BASE;
@ -1140,9 +1149,11 @@ static int davinci_mcasp_probe(struct platform_device *pdev)
else
dma_params->channel = pdata->rx_dma_channel;
/* Unconditional dmaengine stuff */
mcasp->dma_data[SNDRV_PCM_STREAM_PLAYBACK].filter_data = "tx";
mcasp->dma_data[SNDRV_PCM_STREAM_CAPTURE].filter_data = "rx";
/* dmaengine filter data for DT and non-DT boot */
if (pdev->dev.of_node)
dma_data->filter_data = "rx";
else
dma_data->filter_data = &dma_params->channel;
dev_set_drvdata(&pdev->dev, mcasp);

57
sound/soc/davinci/edma-pcm.c Normal file
View File

@ -0,0 +1,57 @@
/*
* edma-pcm.c - eDMA PCM driver using dmaengine for AM3xxx, AM4xxx
*
* Copyright (C) 2014 Texas Instruments, Inc.
*
* Author: Peter Ujfalusi <peter.ujfalusi@ti.com>
*
* Based on: sound/soc/tegra/tegra_pcm.c
*
* 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.
*/
#include <linux/module.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/dmaengine_pcm.h>
#include <linux/edma.h>
static const struct snd_pcm_hardware edma_pcm_hardware = {
.info = SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_BATCH |
SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
SNDRV_PCM_INFO_INTERLEAVED,
.buffer_bytes_max = 128 * 1024,
.period_bytes_min = 32,
.period_bytes_max = 64 * 1024,
.periods_min = 2,
.periods_max = 19, /* Limit by edma dmaengine driver */
};
static const struct snd_dmaengine_pcm_config edma_dmaengine_pcm_config = {
.pcm_hardware = &edma_pcm_hardware,
.prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config,
.compat_filter_fn = edma_filter_fn,
.prealloc_buffer_size = 128 * 1024,
};
int edma_pcm_platform_register(struct device *dev)
{
return devm_snd_dmaengine_pcm_register(dev, &edma_dmaengine_pcm_config,
SND_DMAENGINE_PCM_FLAG_COMPAT);
}
EXPORT_SYMBOL_GPL(edma_pcm_platform_register);
MODULE_AUTHOR("Peter Ujfalusi <peter.ujfalusi@ti.com>");
MODULE_DESCRIPTION("eDMA PCM ASoC platform driver");
MODULE_LICENSE("GPL");

25
sound/soc/davinci/edma-pcm.h Normal file
View File

@ -0,0 +1,25 @@
/*
* edma-pcm.h - eDMA PCM driver using dmaengine for AM3xxx, AM4xxx
*
* Copyright (C) 2014 Texas Instruments, Inc.
*
* Author: Peter Ujfalusi <peter.ujfalusi@ti.com>
*
* Based on: sound/soc/tegra/tegra_pcm.h
*
* 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.
*/
#ifndef __EDMA_PCM_H__
#define __EDMA_PCM_H__
int edma_pcm_platform_register(struct device *dev);
#endif /* __EDMA_PCM_H__ */