1 files changed, 0 insertions, 373 deletions
diff --git a/sound/soc/blackfin/bf5xx-i2s-pcm.c b/sound/soc/blackfin/bf5xx-i2s-pcm.c
deleted file mode 100644
index 51cae76f14e6..000000000000
--- a/sound/soc/blackfin/bf5xx-i2s-pcm.c
+++ /dev/null
@@ -1,373 +0,0 @@
-/*
- * File:         sound/soc/blackfin/bf5xx-i2s-pcm.c
- * Author:       Cliff Cai <Cliff.Cai@analog.com>
- *
- * Created:      Tue June 06 2008
- * Description:  DMA driver for i2s codec
- *
- * Modified:
- *               Copyright 2008 Analog Devices Inc.
- *
- * Bugs:         Enter bugs at http://blackfin.uclinux.org/
- *
- * 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, see the file COPYING, or write
- * to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/platform_device.h>
-#include <linux/dma-mapping.h>
-#include <linux/gfp.h>
-
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/pcm_params.h>
-#include <sound/soc.h>
-
-#include <asm/dma.h>
-
-#include "bf5xx-sport.h"
-#include "bf5xx-i2s-pcm.h"
-
-static void bf5xx_dma_irq(void *data)
-{
-	struct snd_pcm_substream *pcm = data;
-	snd_pcm_period_elapsed(pcm);
-}
-
-static const struct snd_pcm_hardware bf5xx_pcm_hardware = {
-	.info			= SNDRV_PCM_INFO_INTERLEAVED |
-				   SNDRV_PCM_INFO_MMAP_VALID |
-				   SNDRV_PCM_INFO_BLOCK_TRANSFER,
-	.period_bytes_min	= 32,
-	.period_bytes_max	= 0x10000,
-	.periods_min		= 1,
-	.periods_max		= PAGE_SIZE/32,
-	.buffer_bytes_max	= 0x20000, /* 128 kbytes */
-	.fifo_size		= 16,
-};
-
-static int bf5xx_pcm_hw_params(struct snd_pcm_substream *substream,
-	struct snd_pcm_hw_params *params)
-{
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	unsigned int buffer_size = params_buffer_bytes(params);
-	struct bf5xx_i2s_pcm_data *dma_data;
-
-	dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
-
-	if (dma_data->tdm_mode)
-		buffer_size = buffer_size / params_channels(params) * 8;
-
-	return snd_pcm_lib_malloc_pages(substream, buffer_size);
-}
-
-static int bf5xx_pcm_hw_free(struct snd_pcm_substream *substream)
-{
-	snd_pcm_lib_free_pages(substream);
-
-	return 0;
-}
-
-static int bf5xx_pcm_prepare(struct snd_pcm_substream *substream)
-{
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct sport_device *sport = runtime->private_data;
-	int period_bytes = frames_to_bytes(runtime, runtime->period_size);
-	struct bf5xx_i2s_pcm_data *dma_data;
-
-	dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
-
-	if (dma_data->tdm_mode)
-		period_bytes = period_bytes / runtime->channels * 8;
-
-	pr_debug("%s enter\n", __func__);
-	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
-		sport_set_tx_callback(sport, bf5xx_dma_irq, substream);
-		sport_config_tx_dma(sport, runtime->dma_area,
-			runtime->periods, period_bytes);
-	} else {
-		sport_set_rx_callback(sport, bf5xx_dma_irq, substream);
-		sport_config_rx_dma(sport, runtime->dma_area,
-			runtime->periods, period_bytes);
-	}
-
-	return 0;
-}
-
-static int bf5xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
-{
-	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct sport_device *sport = runtime->private_data;
-	int ret = 0;
-
-	pr_debug("%s enter\n", __func__);
-	switch (cmd) {
-	case SNDRV_PCM_TRIGGER_START:
-		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
-			sport_tx_start(sport);
-		else
-			sport_rx_start(sport);
-		break;
-	case SNDRV_PCM_TRIGGER_STOP:
-	case SNDRV_PCM_TRIGGER_SUSPEND:
-	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
-		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
-			sport_tx_stop(sport);
-		else
-			sport_rx_stop(sport);
-		break;
-	default:
-		ret = -EINVAL;
-	}
-
-	return ret;
-}
-
-static snd_pcm_uframes_t bf5xx_pcm_pointer(struct snd_pcm_substream *substream)
-{
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct sport_device *sport = runtime->private_data;
-	unsigned int diff;
-	snd_pcm_uframes_t frames;
-	struct bf5xx_i2s_pcm_data *dma_data;
-
-	dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
-
-	pr_debug("%s enter\n", __func__);
-	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
-		diff = sport_curr_offset_tx(sport);
-	} else {
-		diff = sport_curr_offset_rx(sport);
-	}
-
-	/*
-	 * TX at least can report one frame beyond the end of the
-	 * buffer if we hit the wraparound case - clamp to within the
-	 * buffer as the ALSA APIs require.
-	 */
-	if (diff == snd_pcm_lib_buffer_bytes(substream))
-		diff = 0;
-
-	frames = bytes_to_frames(substream->runtime, diff);
-	if (dma_data->tdm_mode)
-		frames = frames * runtime->channels / 8;
-
-	return frames;
-}
-
-static int bf5xx_pcm_open(struct snd_pcm_substream *substream)
-{
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
-	struct sport_device *sport_handle = snd_soc_dai_get_drvdata(cpu_dai);
-	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct snd_dma_buffer *buf = &substream->dma_buffer;
-	struct bf5xx_i2s_pcm_data *dma_data;
-	int ret;
-
-	dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
-
-	pr_debug("%s enter\n", __func__);
-
-	snd_soc_set_runtime_hwparams(substream, &bf5xx_pcm_hardware);
-	if (dma_data->tdm_mode)
-		runtime->hw.buffer_bytes_max /= 4;
-	else
-		runtime->hw.info |= SNDRV_PCM_INFO_MMAP;
-
-	ret = snd_pcm_hw_constraint_integer(runtime,
-			SNDRV_PCM_HW_PARAM_PERIODS);
-	if (ret < 0)
-		goto out;
-
-	if (sport_handle != NULL) {
-		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
-			sport_handle->tx_buf = buf->area;
-		else
-			sport_handle->rx_buf = buf->area;
-
-		runtime->private_data = sport_handle;
-	} else {
-		pr_err("sport_handle is NULL\n");
-		return -1;
-	}
-	return 0;
-
- out:
-	return ret;
-}
-
-static int bf5xx_pcm_mmap(struct snd_pcm_substream *substream,
-	struct vm_area_struct *vma)
-{
-	struct snd_pcm_runtime *runtime = substream->runtime;
-	size_t size = vma->vm_end - vma->vm_start;
-	vma->vm_start = (unsigned long)runtime->dma_area;
-	vma->vm_end = vma->vm_start + size;
-	vma->vm_flags |=  VM_SHARED;
-
-	return 0 ;
-}
-
-static int bf5xx_pcm_copy(struct snd_pcm_substream *substream,
-			  int channel, unsigned long pos,
-			  void *buf, unsigned long count)
-{
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct snd_pcm_runtime *runtime = substream->runtime;
-	unsigned int sample_size = runtime->sample_bits / 8;
-	struct bf5xx_i2s_pcm_data *dma_data;
-	unsigned int i;
-	void *src, *dst;
-
-	dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
-
-	if (dma_data->tdm_mode) {
-		pos = bytes_to_frames(runtime, pos);
-		count = bytes_to_frames(runtime, count);
-		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
-			src = buf;
-			dst = runtime->dma_area;
-			dst += pos * sample_size * 8;
-
-			while (count--) {
-				for (i = 0; i < runtime->channels; i++) {
-					memcpy(dst + dma_data->map[i] *
-						sample_size, src, sample_size);
-					src += sample_size;
-				}
-				dst += 8 * sample_size;
-			}
-		} else {
-			src = runtime->dma_area;
-			src += pos * sample_size * 8;
-			dst = buf;
-
-			while (count--) {
-				for (i = 0; i < runtime->channels; i++) {
-					memcpy(dst, src + dma_data->map[i] *
-						sample_size, sample_size);
-					dst += sample_size;
-				}
-				src += 8 * sample_size;
-			}
-		}
-	} else {
-		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
-			src = buf;
-			dst = runtime->dma_area;
-			dst += pos;
-		} else {
-			src = runtime->dma_area;
-			src += pos;
-			dst = buf;
-		}
-
-		memcpy(dst, src, count);
-	}
-
-	return 0;
-}
-
-static int bf5xx_pcm_copy_user(struct snd_pcm_substream *substream,
-			       int channel, unsigned long pos,
-			       void __user *buf, unsigned long count)
-{
-	return bf5xx_pcm_copy(substream, channel, pos, (void *)buf, count);
-}
-
-static int bf5xx_pcm_silence(struct snd_pcm_substream *substream,
-			     int channel, unsigned long pos,
-			     unsigned long count)
-{
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct snd_pcm_runtime *runtime = substream->runtime;
-	unsigned int sample_size = runtime->sample_bits / 8;
-	void *buf = runtime->dma_area;
-	struct bf5xx_i2s_pcm_data *dma_data;
-	unsigned int offset, samples;
-
-	dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
-
-	if (dma_data->tdm_mode) {
-		offset = bytes_to_frames(runtime, pos) * 8 * sample_size;
-		samples = bytes_to_frames(runtime, count) * 8;
-	} else {
-		offset = pos;
-		samples = bytes_to_samples(runtime, count);
-	}
-
-	snd_pcm_format_set_silence(runtime->format, buf + offset, samples);
-
-	return 0;
-}
-
-static const struct snd_pcm_ops bf5xx_pcm_i2s_ops = {
-	.open		= bf5xx_pcm_open,
-	.ioctl		= snd_pcm_lib_ioctl,
-	.hw_params	= bf5xx_pcm_hw_params,
-	.hw_free	= bf5xx_pcm_hw_free,
-	.prepare	= bf5xx_pcm_prepare,
-	.trigger	= bf5xx_pcm_trigger,
-	.pointer	= bf5xx_pcm_pointer,
-	.mmap		= bf5xx_pcm_mmap,
-	.copy_user	= bf5xx_pcm_copy_user,
-	.copy_kernel	= bf5xx_pcm_copy,
-	.fill_silence	= bf5xx_pcm_silence,
-};
-
-static int bf5xx_pcm_i2s_new(struct snd_soc_pcm_runtime *rtd)
-{
-	struct snd_card *card = rtd->card->snd_card;
-	size_t size = bf5xx_pcm_hardware.buffer_bytes_max;
-	int ret;
-
-	pr_debug("%s enter\n", __func__);
-	ret = dma_coerce_mask_and_coherent(card->dev, DMA_BIT_MASK(32));
-	if (ret)
-		return ret;
-
-	return snd_pcm_lib_preallocate_pages_for_all(rtd->pcm,
-				SNDRV_DMA_TYPE_DEV, card->dev, size, size);
-}
-
-static struct snd_soc_platform_driver bf5xx_i2s_soc_platform = {
-	.ops		= &bf5xx_pcm_i2s_ops,
-	.pcm_new	= bf5xx_pcm_i2s_new,
-};
-
-static int bfin_i2s_soc_platform_probe(struct platform_device *pdev)
-{
-	return devm_snd_soc_register_platform(&pdev->dev,
-					      &bf5xx_i2s_soc_platform);
-}
-
-static struct platform_driver bfin_i2s_pcm_driver = {
-	.driver = {
-		.name = "bfin-i2s-pcm-audio",
-	},
-
-	.probe = bfin_i2s_soc_platform_probe,
-};
-
-module_platform_driver(bfin_i2s_pcm_driver);
-
-MODULE_AUTHOR("Cliff Cai");
-MODULE_DESCRIPTION("ADI Blackfin I2S PCM DMA module");
-MODULE_LICENSE("GPL");