Merge remote-tracking branch 'asoc/topic/davinci' into asoc-next (e22c3980) · Commits · EulixOS / Software / Kernel

sound/soc/davinci/davinci-evm.c

+8 −14

Original line number	Diff line number	Diff line
		@@ -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;
		}

sound/soc/davinci/davinci-mcasp.c

+16 −5

Original line number	Diff line number	Diff line
		@@ -1026,6 +1026,7 @@ static struct davinci_mcasp_pdata *davinci_mcasp_set_pdata_from_of(
		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);

sound/soc/davinci/edma-pcm.c

0 → 100644

+57 −0

Original line number	Diff line number	Diff line
		/*
		* 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");

sound/soc/davinci/edma-pcm.h

0 → 100644

+25 −0

Original line number	Diff line number	Diff line
		/*
		* 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__ */