mirror of https://gitee.com/openkylin/linux.git
Merge remote-tracking branch 'asoc/topic/davinci' into asoc-next
This commit is contained in:
Mark Brown
commit
e22c3980b9
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@ -123,35 +123,29 @@ static const struct snd_soc_dapm_route audio_map[] = {
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/* Logic for a aic3x as connected on a davinci-evm */
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static int evm_aic3x_init(struct snd_soc_pcm_runtime *rtd)
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{
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struct snd_soc_card *card = rtd->card;
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struct snd_soc_codec *codec = rtd->codec;
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struct snd_soc_dapm_context *dapm = &codec->dapm;
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struct device_node *np = codec->card->dev->of_node;
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int ret;
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/* Add davinci-evm specific widgets */
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snd_soc_dapm_new_controls(dapm, aic3x_dapm_widgets,
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snd_soc_dapm_new_controls(&card->dapm, aic3x_dapm_widgets,
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ARRAY_SIZE(aic3x_dapm_widgets));
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if (np) {
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ret = snd_soc_of_parse_audio_routing(codec->card,
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"ti,audio-routing");
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ret = snd_soc_of_parse_audio_routing(card, "ti,audio-routing");
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if (ret)
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return ret;
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} else {
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/* Set up davinci-evm specific audio path audio_map */
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snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
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snd_soc_dapm_add_routes(&card->dapm, audio_map,
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ARRAY_SIZE(audio_map));
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}
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/* not connected */
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snd_soc_dapm_disable_pin(dapm, "MONO_LOUT");
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snd_soc_dapm_disable_pin(dapm, "HPLCOM");
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snd_soc_dapm_disable_pin(dapm, "HPRCOM");
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/* always connected */
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snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
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snd_soc_dapm_enable_pin(dapm, "Line Out");
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snd_soc_dapm_enable_pin(dapm, "Mic Jack");
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snd_soc_dapm_enable_pin(dapm, "Line In");
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snd_soc_dapm_nc_pin(&codec->dapm, "MONO_LOUT");
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snd_soc_dapm_nc_pin(&codec->dapm, "HPLCOM");
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snd_soc_dapm_nc_pin(&codec->dapm, "HPRCOM");
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return 0;
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}
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@ -1026,6 +1026,7 @@ static struct davinci_mcasp_pdata *davinci_mcasp_set_pdata_from_of(
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static int davinci_mcasp_probe(struct platform_device *pdev)
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{
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struct davinci_pcm_dma_params *dma_params;
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struct snd_dmaengine_dai_dma_data *dma_data;
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struct resource *mem, *ioarea, *res, *dat;
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struct davinci_mcasp_pdata *pdata;
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struct davinci_mcasp *mcasp;
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@ -1095,6 +1096,7 @@ static int davinci_mcasp_probe(struct platform_device *pdev)
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mcasp->dat_port = true;
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dma_params = &mcasp->dma_params[SNDRV_PCM_STREAM_PLAYBACK];
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dma_data = &mcasp->dma_data[SNDRV_PCM_STREAM_PLAYBACK];
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dma_params->asp_chan_q = pdata->asp_chan_q;
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dma_params->ram_chan_q = pdata->ram_chan_q;
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dma_params->sram_pool = pdata->sram_pool;
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@ -1105,7 +1107,7 @@ static int davinci_mcasp_probe(struct platform_device *pdev)
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dma_params->dma_addr = mem->start + pdata->tx_dma_offset;
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/* Unconditional dmaengine stuff */
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mcasp->dma_data[SNDRV_PCM_STREAM_PLAYBACK].addr = dma_params->dma_addr;
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dma_data->addr = dma_params->dma_addr;
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res = platform_get_resource(pdev, IORESOURCE_DMA, 0);
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if (res)
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@ -1113,7 +1115,14 @@ static int davinci_mcasp_probe(struct platform_device *pdev)
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else
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dma_params->channel = pdata->tx_dma_channel;
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/* dmaengine filter data for DT and non-DT boot */
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if (pdev->dev.of_node)
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dma_data->filter_data = "tx";
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else
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dma_data->filter_data = &dma_params->channel;
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dma_params = &mcasp->dma_params[SNDRV_PCM_STREAM_CAPTURE];
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dma_data = &mcasp->dma_data[SNDRV_PCM_STREAM_CAPTURE];
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dma_params->asp_chan_q = pdata->asp_chan_q;
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dma_params->ram_chan_q = pdata->ram_chan_q;
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dma_params->sram_pool = pdata->sram_pool;
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@ -1124,7 +1133,7 @@ static int davinci_mcasp_probe(struct platform_device *pdev)
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dma_params->dma_addr = mem->start + pdata->rx_dma_offset;
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/* Unconditional dmaengine stuff */
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mcasp->dma_data[SNDRV_PCM_STREAM_CAPTURE].addr = dma_params->dma_addr;
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dma_data->addr = dma_params->dma_addr;
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if (mcasp->version < MCASP_VERSION_3) {
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mcasp->fifo_base = DAVINCI_MCASP_V2_AFIFO_BASE;
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@ -1140,9 +1149,11 @@ static int davinci_mcasp_probe(struct platform_device *pdev)
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else
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dma_params->channel = pdata->rx_dma_channel;
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/* Unconditional dmaengine stuff */
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mcasp->dma_data[SNDRV_PCM_STREAM_PLAYBACK].filter_data = "tx";
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mcasp->dma_data[SNDRV_PCM_STREAM_CAPTURE].filter_data = "rx";
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/* dmaengine filter data for DT and non-DT boot */
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if (pdev->dev.of_node)
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dma_data->filter_data = "rx";
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else
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dma_data->filter_data = &dma_params->channel;
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dev_set_drvdata(&pdev->dev, mcasp);
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@ -0,0 +1,57 @@
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/*
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* edma-pcm.c - eDMA PCM driver using dmaengine for AM3xxx, AM4xxx
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*
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* Copyright (C) 2014 Texas Instruments, Inc.
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*
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* Author: Peter Ujfalusi <peter.ujfalusi@ti.com>
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*
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* Based on: sound/soc/tegra/tegra_pcm.c
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*/
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#include <linux/module.h>
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#include <sound/core.h>
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#include <sound/pcm.h>
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#include <sound/pcm_params.h>
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#include <sound/soc.h>
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#include <sound/dmaengine_pcm.h>
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#include <linux/edma.h>
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static const struct snd_pcm_hardware edma_pcm_hardware = {
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.info = SNDRV_PCM_INFO_MMAP |
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SNDRV_PCM_INFO_MMAP_VALID |
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SNDRV_PCM_INFO_BATCH |
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SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
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SNDRV_PCM_INFO_INTERLEAVED,
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.buffer_bytes_max = 128 * 1024,
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.period_bytes_min = 32,
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.period_bytes_max = 64 * 1024,
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.periods_min = 2,
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.periods_max = 19, /* Limit by edma dmaengine driver */
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};
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static const struct snd_dmaengine_pcm_config edma_dmaengine_pcm_config = {
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.pcm_hardware = &edma_pcm_hardware,
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.prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config,
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.compat_filter_fn = edma_filter_fn,
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.prealloc_buffer_size = 128 * 1024,
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};
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int edma_pcm_platform_register(struct device *dev)
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{
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return devm_snd_dmaengine_pcm_register(dev, &edma_dmaengine_pcm_config,
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SND_DMAENGINE_PCM_FLAG_COMPAT);
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}
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EXPORT_SYMBOL_GPL(edma_pcm_platform_register);
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MODULE_AUTHOR("Peter Ujfalusi <peter.ujfalusi@ti.com>");
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MODULE_DESCRIPTION("eDMA PCM ASoC platform driver");
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MODULE_LICENSE("GPL");
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@ -0,0 +1,25 @@
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/*
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* edma-pcm.h - eDMA PCM driver using dmaengine for AM3xxx, AM4xxx
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*
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* Copyright (C) 2014 Texas Instruments, Inc.
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*
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* Author: Peter Ujfalusi <peter.ujfalusi@ti.com>
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*
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* Based on: sound/soc/tegra/tegra_pcm.h
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*/
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#ifndef __EDMA_PCM_H__
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#define __EDMA_PCM_H__
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int edma_pcm_platform_register(struct device *dev);
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#endif /* __EDMA_PCM_H__ */
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