1 files changed, 0 insertions, 501 deletions

diff --git a/ANDROID_3.4.5/sound/soc/atmel/atmel-pcm.c b/ANDROID_3.4.5/sound/soc/atmel/atmel-pcm.c
deleted file mode 100644
index 9b84f985..00000000
--- a/ANDROID_3.4.5/sound/soc/atmel/atmel-pcm.c
+++ /dev/null
@@ -1,501 +0,0 @@
-/*
- * atmel-pcm.c  --  ALSA PCM interface for the Atmel atmel SoC.
- *
- *  Copyright (C) 2005 SAN People
- *  Copyright (C) 2008 Atmel
- *
- * Authors: Sedji Gaouaou <sedji.gaouaou@atmel.com>
- *
- * Based on at91-pcm. by:
- * Frank Mandarino <fmandarino@endrelia.com>
- * Copyright 2006 Endrelia Technologies Inc.
- *
- * Based on pxa2xx-pcm.c by:
- *
- * Author:	Nicolas Pitre
- * Created:	Nov 30, 2004
- * Copyright:	(C) 2004 MontaVista Software, Inc.
- *
- * 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/module.h>
-#include <linux/init.h>
-#include <linux/platform_device.h>
-#include <linux/slab.h>
-#include <linux/dma-mapping.h>
-#include <linux/atmel_pdc.h>
-#include <linux/atmel-ssc.h>
-
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/pcm_params.h>
-#include <sound/soc.h>
-
-#include "atmel-pcm.h"
-
-
-/*--------------------------------------------------------------------------*\
- * Hardware definition
-\*--------------------------------------------------------------------------*/
-/* TODO: These values were taken from the AT91 platform driver, check
- *	 them against real values for AT32
- */
-static const struct snd_pcm_hardware atmel_pcm_hardware = {
-	.info			= SNDRV_PCM_INFO_MMAP |
-				  SNDRV_PCM_INFO_MMAP_VALID |
-				  SNDRV_PCM_INFO_INTERLEAVED |
-				  SNDRV_PCM_INFO_PAUSE,
-	.formats		= SNDRV_PCM_FMTBIT_S16_LE,
-	.period_bytes_min	= 32,
-	.period_bytes_max	= 8192,
-	.periods_min		= 2,
-	.periods_max		= 1024,
-	.buffer_bytes_max	= 32 * 1024,
-};
-
-
-/*--------------------------------------------------------------------------*\
- * Data types
-\*--------------------------------------------------------------------------*/
-struct atmel_runtime_data {
-	struct atmel_pcm_dma_params *params;
-	dma_addr_t dma_buffer;		/* physical address of dma buffer */
-	dma_addr_t dma_buffer_end;	/* first address beyond DMA buffer */
-	size_t period_size;
-
-	dma_addr_t period_ptr;		/* physical address of next period */
-
-	/* PDC register save */
-	u32 pdc_xpr_save;
-	u32 pdc_xcr_save;
-	u32 pdc_xnpr_save;
-	u32 pdc_xncr_save;
-};
-
-
-/*--------------------------------------------------------------------------*\
- * Helper functions
-\*--------------------------------------------------------------------------*/
-static int atmel_pcm_preallocate_dma_buffer(struct snd_pcm *pcm,
-	int stream)
-{
-	struct snd_pcm_substream *substream = pcm->streams[stream].substream;
-	struct snd_dma_buffer *buf = &substream->dma_buffer;
-	size_t size = atmel_pcm_hardware.buffer_bytes_max;
-
-	buf->dev.type = SNDRV_DMA_TYPE_DEV;
-	buf->dev.dev = pcm->card->dev;
-	buf->private_data = NULL;
-	buf->area = dma_alloc_coherent(pcm->card->dev, size,
-					  &buf->addr, GFP_KERNEL);
-	pr_debug("atmel-pcm:"
-		"preallocate_dma_buffer: area=%p, addr=%p, size=%d\n",
-		(void *) buf->area,
-		(void *) buf->addr,
-		size);
-
-	if (!buf->area)
-		return -ENOMEM;
-
-	buf->bytes = size;
-	return 0;
-}
-/*--------------------------------------------------------------------------*\
- * ISR
-\*--------------------------------------------------------------------------*/
-static void atmel_pcm_dma_irq(u32 ssc_sr,
-	struct snd_pcm_substream *substream)
-{
-	struct atmel_runtime_data *prtd = substream->runtime->private_data;
-	struct atmel_pcm_dma_params *params = prtd->params;
-	static int count;
-
-	count++;
-
-	if (ssc_sr & params->mask->ssc_endbuf) {
-		pr_warning("atmel-pcm: buffer %s on %s"
-				" (SSC_SR=%#x, count=%d)\n",
-				substream->stream == SNDRV_PCM_STREAM_PLAYBACK
-				? "underrun" : "overrun",
-				params->name, ssc_sr, count);
-
-		/* re-start the PDC */
-		ssc_writex(params->ssc->regs, ATMEL_PDC_PTCR,
-			   params->mask->pdc_disable);
-		prtd->period_ptr += prtd->period_size;
-		if (prtd->period_ptr >= prtd->dma_buffer_end)
-			prtd->period_ptr = prtd->dma_buffer;
-
-		ssc_writex(params->ssc->regs, params->pdc->xpr,
-			   prtd->period_ptr);
-		ssc_writex(params->ssc->regs, params->pdc->xcr,
-			   prtd->period_size / params->pdc_xfer_size);
-		ssc_writex(params->ssc->regs, ATMEL_PDC_PTCR,
-			   params->mask->pdc_enable);
-	}
-
-	if (ssc_sr & params->mask->ssc_endx) {
-		/* Load the PDC next pointer and counter registers */
-		prtd->period_ptr += prtd->period_size;
-		if (prtd->period_ptr >= prtd->dma_buffer_end)
-			prtd->period_ptr = prtd->dma_buffer;
-
-		ssc_writex(params->ssc->regs, params->pdc->xnpr,
-			   prtd->period_ptr);
-		ssc_writex(params->ssc->regs, params->pdc->xncr,
-			   prtd->period_size / params->pdc_xfer_size);
-	}
-
-	snd_pcm_period_elapsed(substream);
-}
-
-
-/*--------------------------------------------------------------------------*\
- * PCM operations
-\*--------------------------------------------------------------------------*/
-static int atmel_pcm_hw_params(struct snd_pcm_substream *substream,
-	struct snd_pcm_hw_params *params)
-{
-	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct atmel_runtime_data *prtd = runtime->private_data;
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-
-	/* this may get called several times by oss emulation
-	 * with different params */
-
-	snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);
-	runtime->dma_bytes = params_buffer_bytes(params);
-
-	prtd->params = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
-	prtd->params->dma_intr_handler = atmel_pcm_dma_irq;
-
-	prtd->dma_buffer = runtime->dma_addr;
-	prtd->dma_buffer_end = runtime->dma_addr + runtime->dma_bytes;
-	prtd->period_size = params_period_bytes(params);
-
-	pr_debug("atmel-pcm: "
-		"hw_params: DMA for %s initialized "
-		"(dma_bytes=%u, period_size=%u)\n",
-		prtd->params->name,
-		runtime->dma_bytes,
-		prtd->period_size);
-	return 0;
-}
-
-static int atmel_pcm_hw_free(struct snd_pcm_substream *substream)
-{
-	struct atmel_runtime_data *prtd = substream->runtime->private_data;
-	struct atmel_pcm_dma_params *params = prtd->params;
-
-	if (params != NULL) {
-		ssc_writex(params->ssc->regs, SSC_PDC_PTCR,
-			   params->mask->pdc_disable);
-		prtd->params->dma_intr_handler = NULL;
-	}
-
-	return 0;
-}
-
-static int atmel_pcm_prepare(struct snd_pcm_substream *substream)
-{
-	struct atmel_runtime_data *prtd = substream->runtime->private_data;
-	struct atmel_pcm_dma_params *params = prtd->params;
-
-	ssc_writex(params->ssc->regs, SSC_IDR,
-		   params->mask->ssc_endx | params->mask->ssc_endbuf);
-	ssc_writex(params->ssc->regs, ATMEL_PDC_PTCR,
-		   params->mask->pdc_disable);
-	return 0;
-}
-
-static int atmel_pcm_trigger(struct snd_pcm_substream *substream,
-	int cmd)
-{
-	struct snd_pcm_runtime *rtd = substream->runtime;
-	struct atmel_runtime_data *prtd = rtd->private_data;
-	struct atmel_pcm_dma_params *params = prtd->params;
-	int ret = 0;
-
-	pr_debug("atmel-pcm:buffer_size = %ld,"
-		"dma_area = %p, dma_bytes = %u\n",
-		rtd->buffer_size, rtd->dma_area, rtd->dma_bytes);
-
-	switch (cmd) {
-	case SNDRV_PCM_TRIGGER_START:
-		prtd->period_ptr = prtd->dma_buffer;
-
-		ssc_writex(params->ssc->regs, params->pdc->xpr,
-			   prtd->period_ptr);
-		ssc_writex(params->ssc->regs, params->pdc->xcr,
-			   prtd->period_size / params->pdc_xfer_size);
-
-		prtd->period_ptr += prtd->period_size;
-		ssc_writex(params->ssc->regs, params->pdc->xnpr,
-			   prtd->period_ptr);
-		ssc_writex(params->ssc->regs, params->pdc->xncr,
-			   prtd->period_size / params->pdc_xfer_size);
-
-		pr_debug("atmel-pcm: trigger: "
-			"period_ptr=%lx, xpr=%u, "
-			"xcr=%u, xnpr=%u, xncr=%u\n",
-			(unsigned long)prtd->period_ptr,
-			ssc_readx(params->ssc->regs, params->pdc->xpr),
-			ssc_readx(params->ssc->regs, params->pdc->xcr),
-			ssc_readx(params->ssc->regs, params->pdc->xnpr),
-			ssc_readx(params->ssc->regs, params->pdc->xncr));
-
-		ssc_writex(params->ssc->regs, SSC_IER,
-			   params->mask->ssc_endx | params->mask->ssc_endbuf);
-		ssc_writex(params->ssc->regs, SSC_PDC_PTCR,
-			   params->mask->pdc_enable);
-
-		pr_debug("sr=%u imr=%u\n",
-			ssc_readx(params->ssc->regs, SSC_SR),
-			ssc_readx(params->ssc->regs, SSC_IER));
-		break;		/* SNDRV_PCM_TRIGGER_START */
-
-	case SNDRV_PCM_TRIGGER_STOP:
-	case SNDRV_PCM_TRIGGER_SUSPEND:
-	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
-		ssc_writex(params->ssc->regs, ATMEL_PDC_PTCR,
-			   params->mask->pdc_disable);
-		break;
-
-	case SNDRV_PCM_TRIGGER_RESUME:
-	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
-		ssc_writex(params->ssc->regs, ATMEL_PDC_PTCR,
-			   params->mask->pdc_enable);
-		break;
-
-	default:
-		ret = -EINVAL;
-	}
-
-	return ret;
-}
-
-static snd_pcm_uframes_t atmel_pcm_pointer(
-	struct snd_pcm_substream *substream)
-{
-	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct atmel_runtime_data *prtd = runtime->private_data;
-	struct atmel_pcm_dma_params *params = prtd->params;
-	dma_addr_t ptr;
-	snd_pcm_uframes_t x;
-
-	ptr = (dma_addr_t) ssc_readx(params->ssc->regs, params->pdc->xpr);
-	x = bytes_to_frames(runtime, ptr - prtd->dma_buffer);
-
-	if (x == runtime->buffer_size)
-		x = 0;
-
-	return x;
-}
-
-static int atmel_pcm_open(struct snd_pcm_substream *substream)
-{
-	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct atmel_runtime_data *prtd;
-	int ret = 0;
-
-	snd_soc_set_runtime_hwparams(substream, &atmel_pcm_hardware);
-
-	/* ensure that buffer size is a multiple of period size */
-	ret = snd_pcm_hw_constraint_integer(runtime,
-						SNDRV_PCM_HW_PARAM_PERIODS);
-	if (ret < 0)
-		goto out;
-
-	prtd = kzalloc(sizeof(struct atmel_runtime_data), GFP_KERNEL);
-	if (prtd == NULL) {
-		ret = -ENOMEM;
-		goto out;
-	}
-	runtime->private_data = prtd;
-
- out:
-	return ret;
-}
-
-static int atmel_pcm_close(struct snd_pcm_substream *substream)
-{
-	struct atmel_runtime_data *prtd = substream->runtime->private_data;
-
-	kfree(prtd);
-	return 0;
-}
-
-static int atmel_pcm_mmap(struct snd_pcm_substream *substream,
-	struct vm_area_struct *vma)
-{
-	return remap_pfn_range(vma, vma->vm_start,
-		       substream->dma_buffer.addr >> PAGE_SHIFT,
-		       vma->vm_end - vma->vm_start, vma->vm_page_prot);
-}
-
-static struct snd_pcm_ops atmel_pcm_ops = {
-	.open		= atmel_pcm_open,
-	.close		= atmel_pcm_close,
-	.ioctl		= snd_pcm_lib_ioctl,
-	.hw_params	= atmel_pcm_hw_params,
-	.hw_free	= atmel_pcm_hw_free,
-	.prepare	= atmel_pcm_prepare,
-	.trigger	= atmel_pcm_trigger,
-	.pointer	= atmel_pcm_pointer,
-	.mmap		= atmel_pcm_mmap,
-};
-
-
-/*--------------------------------------------------------------------------*\
- * ASoC platform driver
-\*--------------------------------------------------------------------------*/
-static u64 atmel_pcm_dmamask = DMA_BIT_MASK(32);
-
-static int atmel_pcm_new(struct snd_soc_pcm_runtime *rtd)
-{
-	struct snd_card *card = rtd->card->snd_card;
-	struct snd_pcm *pcm = rtd->pcm;
-	int ret = 0;
-
-	if (!card->dev->dma_mask)
-		card->dev->dma_mask = &atmel_pcm_dmamask;
-	if (!card->dev->coherent_dma_mask)
-		card->dev->coherent_dma_mask = DMA_BIT_MASK(32);
-
-	if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) {
-		ret = atmel_pcm_preallocate_dma_buffer(pcm,
-			SNDRV_PCM_STREAM_PLAYBACK);
-		if (ret)
-			goto out;
-	}
-
-	if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) {
-		pr_debug("atmel-pcm:"
-				"Allocating PCM capture DMA buffer\n");
-		ret = atmel_pcm_preallocate_dma_buffer(pcm,
-			SNDRV_PCM_STREAM_CAPTURE);
-		if (ret)
-			goto out;
-	}
- out:
-	return ret;
-}
-
-static void atmel_pcm_free_dma_buffers(struct snd_pcm *pcm)
-{
-	struct snd_pcm_substream *substream;
-	struct snd_dma_buffer *buf;
-	int stream;
-
-	for (stream = 0; stream < 2; stream++) {
-		substream = pcm->streams[stream].substream;
-		if (!substream)
-			continue;
-
-		buf = &substream->dma_buffer;
-		if (!buf->area)
-			continue;
-		dma_free_coherent(pcm->card->dev, buf->bytes,
-				  buf->area, buf->addr);
-		buf->area = NULL;
-	}
-}
-
-#ifdef CONFIG_PM
-static int atmel_pcm_suspend(struct snd_soc_dai *dai)
-{
-	struct snd_pcm_runtime *runtime = dai->runtime;
-	struct atmel_runtime_data *prtd;
-	struct atmel_pcm_dma_params *params;
-
-	if (!runtime)
-		return 0;
-
-	prtd = runtime->private_data;
-	params = prtd->params;
-
-	/* disable the PDC and save the PDC registers */
-
-	ssc_writel(params->ssc->regs, PDC_PTCR, params->mask->pdc_disable);
-
-	prtd->pdc_xpr_save = ssc_readx(params->ssc->regs, params->pdc->xpr);
-	prtd->pdc_xcr_save = ssc_readx(params->ssc->regs, params->pdc->xcr);
-	prtd->pdc_xnpr_save = ssc_readx(params->ssc->regs, params->pdc->xnpr);
-	prtd->pdc_xncr_save = ssc_readx(params->ssc->regs, params->pdc->xncr);
-
-	return 0;
-}
-
-static int atmel_pcm_resume(struct snd_soc_dai *dai)
-{
-	struct snd_pcm_runtime *runtime = dai->runtime;
-	struct atmel_runtime_data *prtd;
-	struct atmel_pcm_dma_params *params;
-
-	if (!runtime)
-		return 0;
-
-	prtd = runtime->private_data;
-	params = prtd->params;
-
-	/* restore the PDC registers and enable the PDC */
-	ssc_writex(params->ssc->regs, params->pdc->xpr, prtd->pdc_xpr_save);
-	ssc_writex(params->ssc->regs, params->pdc->xcr, prtd->pdc_xcr_save);
-	ssc_writex(params->ssc->regs, params->pdc->xnpr, prtd->pdc_xnpr_save);
-	ssc_writex(params->ssc->regs, params->pdc->xncr, prtd->pdc_xncr_save);
-
-	ssc_writel(params->ssc->regs, PDC_PTCR, params->mask->pdc_enable);
-	return 0;
-}
-#else
-#define atmel_pcm_suspend	NULL
-#define atmel_pcm_resume	NULL
-#endif
-
-static struct snd_soc_platform_driver atmel_soc_platform = {
-	.ops		= &atmel_pcm_ops,
-	.pcm_new	= atmel_pcm_new,
-	.pcm_free	= atmel_pcm_free_dma_buffers,
-	.suspend	= atmel_pcm_suspend,
-	.resume		= atmel_pcm_resume,
-};
-
-static int __devinit atmel_soc_platform_probe(struct platform_device *pdev)
-{
-	return snd_soc_register_platform(&pdev->dev, &atmel_soc_platform);
-}
-
-static int __devexit atmel_soc_platform_remove(struct platform_device *pdev)
-{
-	snd_soc_unregister_platform(&pdev->dev);
-	return 0;
-}
-
-static struct platform_driver atmel_pcm_driver = {
-	.driver = {
-			.name = "atmel-pcm-audio",
-			.owner = THIS_MODULE,
-	},
-
-	.probe = atmel_soc_platform_probe,
-	.remove = __devexit_p(atmel_soc_platform_remove),
-};
-
-module_platform_driver(atmel_pcm_driver);
-
-MODULE_AUTHOR("Sedji Gaouaou <sedji.gaouaou@atmel.com>");
-MODULE_DESCRIPTION("Atmel PCM module");
-MODULE_LICENSE("GPL");