[alsa-devel] [PATCH 3/3] ASoC i.MX: remove old i.MX driver

Sascha Hauer s.hauer at pengutronix.de
Wed Nov 25 16:41:06 CET 2009


Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
 sound/soc/imx/mx1_mx2-pcm.c |  488 ------------------------
 sound/soc/imx/mx1_mx2-pcm.h |   26 --
 sound/soc/imx/mxc-ssi.c     |  860 -------------------------------------------
 sound/soc/imx/mxc-ssi.h     |  238 ------------
 4 files changed, 0 insertions(+), 1612 deletions(-)
 delete mode 100644 sound/soc/imx/mx1_mx2-pcm.c
 delete mode 100644 sound/soc/imx/mx1_mx2-pcm.h
 delete mode 100644 sound/soc/imx/mxc-ssi.c
 delete mode 100644 sound/soc/imx/mxc-ssi.h

diff --git a/sound/soc/imx/mx1_mx2-pcm.c b/sound/soc/imx/mx1_mx2-pcm.c
deleted file mode 100644
index b838665..0000000
--- a/sound/soc/imx/mx1_mx2-pcm.c
+++ /dev/null
@@ -1,488 +0,0 @@
-/*
- * mx1_mx2-pcm.c -- ALSA SoC interface for Freescale i.MX1x, i.MX2x CPUs
- *
- * Copyright 2009 Vista Silicon S.L.
- * Author: Javier Martin
- *         javier.martin at vista-silicon.com
- *
- * Based on mxc-pcm.c by Liam Girdwood.
- *
- * 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.
- *
- *
- */
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/platform_device.h>
-#include <linux/slab.h>
-#include <linux/dma-mapping.h>
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/pcm_params.h>
-#include <sound/soc.h>
-#include <asm/dma.h>
-#include <mach/hardware.h>
-#include <mach/dma-mx1-mx2.h>
-
-#include "mx1_mx2-pcm.h"
-
-
-static const struct snd_pcm_hardware mx1_mx2_pcm_hardware = {
-	.info			= (SNDRV_PCM_INFO_INTERLEAVED |
-				   SNDRV_PCM_INFO_BLOCK_TRANSFER |
-				   SNDRV_PCM_INFO_MMAP |
-				   SNDRV_PCM_INFO_MMAP_VALID),
-	.formats		= SNDRV_PCM_FMTBIT_S16_LE,
-	.buffer_bytes_max	= 32 * 1024,
-	.period_bytes_min	= 64,
-	.period_bytes_max	= 8 * 1024,
-	.periods_min		= 2,
-	.periods_max		= 255,
-	.fifo_size		= 0,
-};
-
-struct mx1_mx2_runtime_data {
-	int dma_ch;
-	int active;
-	unsigned int period;
-	unsigned int periods;
-	int tx_spin;
-	spinlock_t dma_lock;
-	struct mx1_mx2_pcm_dma_params *dma_params;
-};
-
-
-/**
-  * This function stops the current dma transfer for playback
-  * and clears the dma pointers.
-  *
-  * @param	substream	pointer to the structure of the current stream.
-  *
-  */
-static int audio_stop_dma(struct snd_pcm_substream *substream)
-{
-	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct mx1_mx2_runtime_data *prtd = runtime->private_data;
-	unsigned long flags;
-
-	spin_lock_irqsave(&prtd->dma_lock, flags);
-
-	pr_debug("%s\n", __func__);
-
-	prtd->active = 0;
-	prtd->period = 0;
-	prtd->periods = 0;
-
-	/* this stops the dma channel and clears the buffer ptrs */
-
-	imx_dma_disable(prtd->dma_ch);
-
-	spin_unlock_irqrestore(&prtd->dma_lock, flags);
-
-	return 0;
-}
-
-/**
-  * This function is called whenever a new audio block needs to be
-  * transferred to the codec. The function receives the address and the size
-  * of the new block and start a new DMA transfer.
-  *
-  * @param	substream	pointer to the structure of the current stream.
-  *
-  */
-static int dma_new_period(struct snd_pcm_substream *substream)
-{
-	struct snd_pcm_runtime *runtime =  substream->runtime;
-	struct mx1_mx2_runtime_data *prtd = runtime->private_data;
-	unsigned int dma_size;
-	unsigned int offset;
-	int ret = 0;
-	dma_addr_t mem_addr;
-	unsigned int dev_addr;
-
-	if (prtd->active) {
-		dma_size = frames_to_bytes(runtime, runtime->period_size);
-		offset = dma_size * prtd->period;
-
-		pr_debug("%s: period (%d) out of (%d)\n", __func__,
-			prtd->period,
-			runtime->periods);
-		pr_debug("period_size %d frames\n offset %d bytes\n",
-			(unsigned int)runtime->period_size,
-			offset);
-		pr_debug("dma_size %d bytes\n", dma_size);
-
-		snd_BUG_ON(dma_size > mx1_mx2_pcm_hardware.period_bytes_max);
-
-		mem_addr = (dma_addr_t)(runtime->dma_addr + offset);
-		dev_addr = prtd->dma_params->per_address;
-		pr_debug("%s: mem_addr is %x\n dev_addr is %x\n",
-				 __func__, mem_addr, dev_addr);
-
-		ret = imx_dma_setup_single(prtd->dma_ch, mem_addr,
-					dma_size, dev_addr,
-					prtd->dma_params->transfer_type);
-		if (ret < 0) {
-			printk(KERN_ERR "Error %d configuring DMA\n", ret);
-			return ret;
-		}
-		imx_dma_enable(prtd->dma_ch);
-
-		pr_debug("%s: transfer enabled\nmem_addr = %x\n",
-			__func__, (unsigned int) mem_addr);
-		pr_debug("dev_addr = %x\ndma_size = %d\n",
-			(unsigned int) dev_addr, dma_size);
-
-		prtd->tx_spin = 1; /* FGA little trick to retrieve DMA pos */
-		prtd->period++;
-		prtd->period %= runtime->periods;
-    }
-	return ret;
-}
-
-
-/**
-  * This is a callback which will be called
-  * when a TX transfer finishes. The call occurs
-  * in interrupt context.
-  *
-  * @param	dat	pointer to the structure of the current stream.
-  *
-  */
-static void audio_dma_irq(int channel, void *data)
-{
-	struct snd_pcm_substream *substream;
-	struct snd_pcm_runtime *runtime;
-	struct mx1_mx2_runtime_data *prtd;
-	unsigned int dma_size;
-	unsigned int previous_period;
-	unsigned int offset;
-
-	substream = data;
-	runtime = substream->runtime;
-	prtd = runtime->private_data;
-	previous_period  = prtd->periods;
-	dma_size = frames_to_bytes(runtime, runtime->period_size);
-	offset = dma_size * previous_period;
-
-	prtd->tx_spin = 0;
-	prtd->periods++;
-	prtd->periods %= runtime->periods;
-
-	pr_debug("%s: irq per %d offset %x\n", __func__, prtd->periods, offset);
-
-	/*
-	  * If we are getting a callback for an active stream then we inform
-	  * the PCM middle layer we've finished a period
-	  */
-	if (prtd->active)
-		snd_pcm_period_elapsed(substream);
-
-	/*
-	  * Trig next DMA transfer
-	  */
-	dma_new_period(substream);
-}
-
-/**
-  * This function configures the hardware to allow audio
-  * playback operations. It is called by ALSA framework.
-  *
-  * @param	substream	pointer to the structure of the current stream.
-  *
-  * @return              0 on success, -1 otherwise.
-  */
-static int
-snd_mx1_mx2_prepare(struct snd_pcm_substream *substream)
-{
-	struct snd_pcm_runtime *runtime =  substream->runtime;
-	struct mx1_mx2_runtime_data *prtd = runtime->private_data;
-
-	prtd->period = 0;
-	prtd->periods = 0;
-
-	return 0;
-}
-
-static int mx1_mx2_pcm_hw_params(struct snd_pcm_substream *substream,
-	struct snd_pcm_hw_params *hw_params)
-{
-	struct snd_pcm_runtime *runtime = substream->runtime;
-	int ret;
-
-	ret = snd_pcm_lib_malloc_pages(substream,
-					params_buffer_bytes(hw_params));
-	if (ret < 0) {
-		printk(KERN_ERR "%s: Error %d failed to malloc pcm pages \n",
-		__func__, ret);
-		return ret;
-	}
-
-	pr_debug("%s: snd_imx1_mx2_audio_hw_params runtime->dma_addr 0x(%x)\n",
-		__func__, (unsigned int)runtime->dma_addr);
-	pr_debug("%s: snd_imx1_mx2_audio_hw_params runtime->dma_area 0x(%x)\n",
-		__func__, (unsigned int)runtime->dma_area);
-	pr_debug("%s: snd_imx1_mx2_audio_hw_params runtime->dma_bytes 0x(%x)\n",
-		__func__, (unsigned int)runtime->dma_bytes);
-
-	return ret;
-}
-
-static int mx1_mx2_pcm_hw_free(struct snd_pcm_substream *substream)
-{
-	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct mx1_mx2_runtime_data *prtd = runtime->private_data;
-
-	imx_dma_free(prtd->dma_ch);
-
-	snd_pcm_lib_free_pages(substream);
-
-	return 0;
-}
-
-static int mx1_mx2_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
-{
-	struct mx1_mx2_runtime_data *prtd = substream->runtime->private_data;
-	int ret = 0;
-
-	switch (cmd) {
-	case SNDRV_PCM_TRIGGER_START:
-		prtd->tx_spin = 0;
-		/* requested stream startup */
-		prtd->active = 1;
-		pr_debug("%s: starting dma_new_period\n", __func__);
-		ret = dma_new_period(substream);
-		break;
-	case SNDRV_PCM_TRIGGER_STOP:
-		/* requested stream shutdown */
-		pr_debug("%s: stopping dma transfer\n", __func__);
-		ret = audio_stop_dma(substream);
-		break;
-	default:
-		ret = -EINVAL;
-		break;
-	}
-
-	return ret;
-}
-
-static snd_pcm_uframes_t
-mx1_mx2_pcm_pointer(struct snd_pcm_substream *substream)
-{
-	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct mx1_mx2_runtime_data *prtd = runtime->private_data;
-	unsigned int offset = 0;
-
-	/* tx_spin value is used here to check if a transfer is active */
-	if (prtd->tx_spin) {
-		offset = (runtime->period_size * (prtd->periods)) +
-						(runtime->period_size >> 1);
-		if (offset >= runtime->buffer_size)
-			offset = runtime->period_size >> 1;
-	} else {
-		offset = (runtime->period_size * (prtd->periods));
-		if (offset >= runtime->buffer_size)
-			offset = 0;
-	}
-	pr_debug("%s: pointer offset %x\n", __func__, offset);
-
-	return offset;
-}
-
-static int mx1_mx2_pcm_open(struct snd_pcm_substream *substream)
-{
-	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct mx1_mx2_runtime_data *prtd;
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mx1_mx2_pcm_dma_params *dma_data = rtd->dai->cpu_dai->dma_data;
-	int ret;
-
-	snd_soc_set_runtime_hwparams(substream, &mx1_mx2_pcm_hardware);
-
-	ret = snd_pcm_hw_constraint_integer(runtime,
-					SNDRV_PCM_HW_PARAM_PERIODS);
-	if (ret < 0)
-		return ret;
-
-	prtd = kzalloc(sizeof(struct mx1_mx2_runtime_data), GFP_KERNEL);
-	if (prtd == NULL) {
-		ret = -ENOMEM;
-		goto out;
-	}
-
-	runtime->private_data = prtd;
-
-	if (!dma_data)
-		return -ENODEV;
-
-	prtd->dma_params = dma_data;
-
-	pr_debug("%s: Requesting dma channel (%s)\n", __func__,
-						prtd->dma_params->name);
-	prtd->dma_ch = imx_dma_request_by_prio(prtd->dma_params->name,
-						DMA_PRIO_HIGH);
-	if (prtd->dma_ch < 0) {
-		printk(KERN_ERR "Error %d requesting dma channel\n", ret);
-		return ret;
-	}
-	imx_dma_config_burstlen(prtd->dma_ch,
-				prtd->dma_params->watermark_level);
-
-	ret = imx_dma_config_channel(prtd->dma_ch,
-			prtd->dma_params->per_config,
-			prtd->dma_params->mem_config,
-			prtd->dma_params->event_id, 0);
-
-	if (ret) {
-		pr_debug(KERN_ERR "Error %d configuring dma channel %d\n",
-			ret, prtd->dma_ch);
-		return ret;
-	}
-
-	pr_debug("%s: Setting tx dma callback function\n", __func__);
-	ret = imx_dma_setup_handlers(prtd->dma_ch,
-				audio_dma_irq, NULL,
-				(void *)substream);
-	if (ret < 0) {
-		printk(KERN_ERR "Error %d setting dma callback function\n", ret);
-		return ret;
-	}
-	return 0;
-
- out:
-	return ret;
-}
-
-static int mx1_mx2_pcm_close(struct snd_pcm_substream *substream)
-{
-	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct mx1_mx2_runtime_data *prtd = runtime->private_data;
-
-	kfree(prtd);
-
-	return 0;
-}
-
-static int mx1_mx2_pcm_mmap(struct snd_pcm_substream *substream,
-				struct vm_area_struct *vma)
-{
-	struct snd_pcm_runtime *runtime = substream->runtime;
-	return dma_mmap_writecombine(substream->pcm->card->dev, vma,
-				     runtime->dma_area,
-				     runtime->dma_addr,
-				     runtime->dma_bytes);
-}
-
-static struct snd_pcm_ops mx1_mx2_pcm_ops = {
-	.open		= mx1_mx2_pcm_open,
-	.close		= mx1_mx2_pcm_close,
-	.ioctl		= snd_pcm_lib_ioctl,
-	.hw_params	= mx1_mx2_pcm_hw_params,
-	.hw_free	= mx1_mx2_pcm_hw_free,
-	.prepare	= snd_mx1_mx2_prepare,
-	.trigger	= mx1_mx2_pcm_trigger,
-	.pointer	= mx1_mx2_pcm_pointer,
-	.mmap		= mx1_mx2_pcm_mmap,
-};
-
-static u64 mx1_mx2_pcm_dmamask = 0xffffffff;
-
-static int mx1_mx2_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 = mx1_mx2_pcm_hardware.buffer_bytes_max;
-	buf->dev.type = SNDRV_DMA_TYPE_DEV;
-	buf->dev.dev = pcm->card->dev;
-	buf->private_data = NULL;
-
-	/* Reserve uncached-buffered memory area for DMA */
-	buf->area = dma_alloc_writecombine(pcm->card->dev, size,
-					   &buf->addr, GFP_KERNEL);
-
-	pr_debug("%s: preallocate_dma_buffer: area=%p, addr=%p, size=%d\n",
-		__func__, (void *) buf->area, (void *) buf->addr, size);
-
-	if (!buf->area)
-		return -ENOMEM;
-
-	buf->bytes = size;
-	return 0;
-}
-
-static void mx1_mx2_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_writecombine(pcm->card->dev, buf->bytes,
-				      buf->area, buf->addr);
-		buf->area = NULL;
-	}
-}
-
-static int mx1_mx2_pcm_new(struct snd_card *card, struct snd_soc_dai *dai,
-	struct snd_pcm *pcm)
-{
-	int ret = 0;
-
-	if (!card->dev->dma_mask)
-		card->dev->dma_mask = &mx1_mx2_pcm_dmamask;
-	if (!card->dev->coherent_dma_mask)
-		card->dev->coherent_dma_mask = 0xffffffff;
-
-	if (dai->playback.channels_min) {
-		ret = mx1_mx2_pcm_preallocate_dma_buffer(pcm,
-			SNDRV_PCM_STREAM_PLAYBACK);
-		pr_debug("%s: preallocate playback buffer\n", __func__);
-		if (ret)
-			goto out;
-	}
-
-	if (dai->capture.channels_min) {
-		ret = mx1_mx2_pcm_preallocate_dma_buffer(pcm,
-			SNDRV_PCM_STREAM_CAPTURE);
-		pr_debug("%s: preallocate capture buffer\n", __func__);
-		if (ret)
-			goto out;
-	}
- out:
-	return ret;
-}
-
-struct snd_soc_platform mx1_mx2_soc_platform = {
-	.name		= "mx1_mx2-audio",
-	.pcm_ops 	= &mx1_mx2_pcm_ops,
-	.pcm_new	= mx1_mx2_pcm_new,
-	.pcm_free	= mx1_mx2_pcm_free_dma_buffers,
-};
-EXPORT_SYMBOL_GPL(mx1_mx2_soc_platform);
-
-static int __init mx1_mx2_soc_platform_init(void)
-{
-	return snd_soc_register_platform(&mx1_mx2_soc_platform);
-}
-module_init(mx1_mx2_soc_platform_init);
-
-static void __exit mx1_mx2_soc_platform_exit(void)
-{
-	snd_soc_unregister_platform(&mx1_mx2_soc_platform);
-}
-module_exit(mx1_mx2_soc_platform_exit);
-
-MODULE_AUTHOR("Javier Martin, javier.martin at vista-silicon.com");
-MODULE_DESCRIPTION("Freescale i.MX2x, i.MX1x PCM DMA module");
-MODULE_LICENSE("GPL");
diff --git a/sound/soc/imx/mx1_mx2-pcm.h b/sound/soc/imx/mx1_mx2-pcm.h
deleted file mode 100644
index 2e52810..0000000
--- a/sound/soc/imx/mx1_mx2-pcm.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * mx1_mx2-pcm.h :- ASoC platform header for Freescale i.MX1x, i.MX2x
- *
- * 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.
- */
-
-#ifndef _MX1_MX2_PCM_H
-#define _MX1_MX2_PCM_H
-
-/* DMA information for mx1_mx2 platforms */
-struct mx1_mx2_pcm_dma_params {
-	char *name;			/* stream identifier */
-	unsigned int transfer_type;	/* READ or WRITE DMA transfer */
-	dma_addr_t per_address;		/* physical address of SSI fifo */
-	int event_id;			/* fixed DMA number for SSI fifo */
-	int watermark_level;		/* SSI fifo watermark level */
-	int per_config;			/* DMA Config flags for peripheral */
-	int mem_config;			/* DMA Config flags for RAM */
- };
-
-/* platform data */
-extern struct snd_soc_platform mx1_mx2_soc_platform;
-
-#endif
diff --git a/sound/soc/imx/mxc-ssi.c b/sound/soc/imx/mxc-ssi.c
deleted file mode 100644
index ccdefe6..0000000
--- a/sound/soc/imx/mxc-ssi.c
+++ /dev/null
@@ -1,860 +0,0 @@
-/*
- * mxc-ssi.c  --  SSI driver for Freescale IMX
- *
- * Copyright 2006 Wolfson Microelectronics PLC.
- * Author: Liam Girdwood
- *         liam.girdwood at wolfsonmicro.com or linux at wolfsonmicro.com
- *
- *  Based on mxc-alsa-mc13783 (C) 2006 Freescale.
- *
- *  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.
- *
- * TODO:
- *   Need to rework SSI register defs when new defs go into mainline.
- *   Add support for TDM and FIFO 1.
- *   Add support for i.mx3x DMA interface.
- *
- */
-
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/platform_device.h>
-#include <linux/slab.h>
-#include <linux/dma-mapping.h>
-#include <linux/clk.h>
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/pcm_params.h>
-#include <sound/soc.h>
-#include <mach/dma-mx1-mx2.h>
-#include <asm/mach-types.h>
-
-#include "mxc-ssi.h"
-#include "mx1_mx2-pcm.h"
-
-#define SSI1_PORT	0
-#define SSI2_PORT	1
-
-static int ssi_active[2] = {0, 0};
-
-/* DMA information for mx1_mx2 platforms */
-static struct mx1_mx2_pcm_dma_params imx_ssi1_pcm_stereo_out0 = {
-	.name			= "SSI1 PCM Stereo out 0",
-	.transfer_type = DMA_MODE_WRITE,
-	.per_address = SSI1_BASE_ADDR + STX0,
-	.event_id = DMA_REQ_SSI1_TX0,
-	.watermark_level = TXFIFO_WATERMARK,
-	.per_config = IMX_DMA_MEMSIZE_16 | IMX_DMA_TYPE_FIFO,
-	.mem_config = IMX_DMA_MEMSIZE_32 | IMX_DMA_TYPE_LINEAR,
-};
-
-static struct mx1_mx2_pcm_dma_params imx_ssi1_pcm_stereo_out1 = {
-	.name			= "SSI1 PCM Stereo out 1",
-	.transfer_type = DMA_MODE_WRITE,
-	.per_address = SSI1_BASE_ADDR + STX1,
-	.event_id = DMA_REQ_SSI1_TX1,
-	.watermark_level = TXFIFO_WATERMARK,
-	.per_config = IMX_DMA_MEMSIZE_16 | IMX_DMA_TYPE_FIFO,
-	.mem_config = IMX_DMA_MEMSIZE_32 | IMX_DMA_TYPE_LINEAR,
-};
-
-static struct mx1_mx2_pcm_dma_params imx_ssi1_pcm_stereo_in0 = {
-	.name			= "SSI1 PCM Stereo in 0",
-	.transfer_type = DMA_MODE_READ,
-	.per_address = SSI1_BASE_ADDR + SRX0,
-	.event_id = DMA_REQ_SSI1_RX0,
-	.watermark_level = RXFIFO_WATERMARK,
-	.per_config = IMX_DMA_MEMSIZE_16 | IMX_DMA_TYPE_FIFO,
-	.mem_config = IMX_DMA_MEMSIZE_32 | IMX_DMA_TYPE_LINEAR,
-};
-
-static struct mx1_mx2_pcm_dma_params imx_ssi1_pcm_stereo_in1 = {
-	.name			= "SSI1 PCM Stereo in 1",
-	.transfer_type = DMA_MODE_READ,
-	.per_address = SSI1_BASE_ADDR + SRX1,
-	.event_id = DMA_REQ_SSI1_RX1,
-	.watermark_level = RXFIFO_WATERMARK,
-	.per_config = IMX_DMA_MEMSIZE_16 | IMX_DMA_TYPE_FIFO,
-	.mem_config = IMX_DMA_MEMSIZE_32 | IMX_DMA_TYPE_LINEAR,
-};
-
-static struct mx1_mx2_pcm_dma_params imx_ssi2_pcm_stereo_out0 = {
-	.name			= "SSI2 PCM Stereo out 0",
-	.transfer_type = DMA_MODE_WRITE,
-	.per_address = SSI2_BASE_ADDR + STX0,
-	.event_id = DMA_REQ_SSI2_TX0,
-	.watermark_level = TXFIFO_WATERMARK,
-	.per_config = IMX_DMA_MEMSIZE_16 | IMX_DMA_TYPE_FIFO,
-	.mem_config = IMX_DMA_MEMSIZE_32 | IMX_DMA_TYPE_LINEAR,
-};
-
-static struct mx1_mx2_pcm_dma_params imx_ssi2_pcm_stereo_out1 = {
-	.name			= "SSI2 PCM Stereo out 1",
-	.transfer_type = DMA_MODE_WRITE,
-	.per_address = SSI2_BASE_ADDR + STX1,
-	.event_id = DMA_REQ_SSI2_TX1,
-	.watermark_level = TXFIFO_WATERMARK,
-	.per_config = IMX_DMA_MEMSIZE_16 | IMX_DMA_TYPE_FIFO,
-	.mem_config = IMX_DMA_MEMSIZE_32 | IMX_DMA_TYPE_LINEAR,
-};
-
-static struct mx1_mx2_pcm_dma_params imx_ssi2_pcm_stereo_in0 = {
-	.name			= "SSI2 PCM Stereo in 0",
-	.transfer_type = DMA_MODE_READ,
-	.per_address = SSI2_BASE_ADDR + SRX0,
-	.event_id = DMA_REQ_SSI2_RX0,
-	.watermark_level = RXFIFO_WATERMARK,
-	.per_config = IMX_DMA_MEMSIZE_16 | IMX_DMA_TYPE_FIFO,
-	.mem_config = IMX_DMA_MEMSIZE_32 | IMX_DMA_TYPE_LINEAR,
-};
-
-static struct mx1_mx2_pcm_dma_params imx_ssi2_pcm_stereo_in1 = {
-	.name			= "SSI2 PCM Stereo in 1",
-	.transfer_type = DMA_MODE_READ,
-	.per_address = SSI2_BASE_ADDR + SRX1,
-	.event_id = DMA_REQ_SSI2_RX1,
-	.watermark_level = RXFIFO_WATERMARK,
-	.per_config = IMX_DMA_MEMSIZE_16 | IMX_DMA_TYPE_FIFO,
-	.mem_config = IMX_DMA_MEMSIZE_32 | IMX_DMA_TYPE_LINEAR,
-};
-
-static struct clk *ssi_clk0, *ssi_clk1;
-
-int get_ssi_clk(int ssi, struct device *dev)
-{
-	switch (ssi) {
-	case 0:
-		ssi_clk0 = clk_get(dev, "ssi1");
-		if (IS_ERR(ssi_clk0))
-			return PTR_ERR(ssi_clk0);
-		return 0;
-	case 1:
-		ssi_clk1 = clk_get(dev, "ssi2");
-		if (IS_ERR(ssi_clk1))
-			return PTR_ERR(ssi_clk1);
-		return 0;
-	default:
-		return -EINVAL;
-	}
-}
-EXPORT_SYMBOL(get_ssi_clk);
-
-void put_ssi_clk(int ssi)
-{
-	switch (ssi) {
-	case 0:
-		clk_put(ssi_clk0);
-		ssi_clk0 = NULL;
-		break;
-	case 1:
-		clk_put(ssi_clk1);
-		ssi_clk1 = NULL;
-		break;
-	}
-}
-EXPORT_SYMBOL(put_ssi_clk);
-
-/*
- * SSI system clock configuration.
- * Should only be called when port is inactive (i.e. SSIEN = 0).
- */
-static int imx_ssi_set_dai_sysclk(struct snd_soc_dai *cpu_dai,
-	int clk_id, unsigned int freq, int dir)
-{
-	u32 scr;
-
-	if (cpu_dai->id == IMX_DAI_SSI0 || cpu_dai->id == IMX_DAI_SSI2) {
-		scr = SSI1_SCR;
-		pr_debug("%s: SCR for SSI1 is %x\n", __func__, scr);
-	} else {
-		scr = SSI2_SCR;
-		pr_debug("%s: SCR for SSI2 is %x\n", __func__, scr);
-	}
-
-	if (scr & SSI_SCR_SSIEN) {
-		printk(KERN_WARNING "Warning ssi already enabled\n");
-		return 0;
-	}
-
-	switch (clk_id) {
-	case IMX_SSP_SYS_CLK:
-		if (dir == SND_SOC_CLOCK_OUT) {
-			scr |= SSI_SCR_SYS_CLK_EN;
-			pr_debug("%s: clk of is output\n", __func__);
-		} else {
-			scr &= ~SSI_SCR_SYS_CLK_EN;
-			pr_debug("%s: clk of is input\n", __func__);
-		}
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	if (cpu_dai->id == IMX_DAI_SSI0 || cpu_dai->id == IMX_DAI_SSI2) {
-		pr_debug("%s: writeback of SSI1_SCR\n", __func__);
-		SSI1_SCR = scr;
-	} else {
-		pr_debug("%s: writeback of SSI2_SCR\n", __func__);
-		SSI2_SCR = scr;
-	}
-
-	return 0;
-}
-
-/*
- * SSI Clock dividers
- * Should only be called when port is inactive (i.e. SSIEN = 0).
- */
-static int imx_ssi_set_dai_clkdiv(struct snd_soc_dai *cpu_dai,
-	int div_id, int div)
-{
-	u32 stccr, srccr;
-
-	pr_debug("%s\n", __func__);
-	if (cpu_dai->id == IMX_DAI_SSI0 || cpu_dai->id == IMX_DAI_SSI2) {
-		if (SSI1_SCR & SSI_SCR_SSIEN)
-			return 0;
-		srccr = SSI1_STCCR;
-		stccr = SSI1_STCCR;
-	} else {
-		if (SSI2_SCR & SSI_SCR_SSIEN)
-			return 0;
-		srccr = SSI2_STCCR;
-		stccr = SSI2_STCCR;
-	}
-
-	switch (div_id) {
-	case IMX_SSI_TX_DIV_2:
-		stccr &= ~SSI_STCCR_DIV2;
-		stccr |= div;
-		break;
-	case IMX_SSI_TX_DIV_PSR:
-		stccr &= ~SSI_STCCR_PSR;
-		stccr |= div;
-		break;
-	case IMX_SSI_TX_DIV_PM:
-		stccr &= ~0xff;
-		stccr |= SSI_STCCR_PM(div);
-		break;
-	case IMX_SSI_RX_DIV_2:
-		stccr &= ~SSI_STCCR_DIV2;
-		stccr |= div;
-		break;
-	case IMX_SSI_RX_DIV_PSR:
-		stccr &= ~SSI_STCCR_PSR;
-		stccr |= div;
-		break;
-	case IMX_SSI_RX_DIV_PM:
-		stccr &= ~0xff;
-		stccr |= SSI_STCCR_PM(div);
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	if (cpu_dai->id == IMX_DAI_SSI0 || cpu_dai->id == IMX_DAI_SSI2) {
-		SSI1_STCCR = stccr;
-		SSI1_SRCCR = srccr;
-	} else {
-		SSI2_STCCR = stccr;
-		SSI2_SRCCR = srccr;
-	}
-	return 0;
-}
-
-/*
- * SSI Network Mode or TDM slots configuration.
- * Should only be called when port is inactive (i.e. SSIEN = 0).
- */
-static int imx_ssi_set_dai_tdm_slot(struct snd_soc_dai *cpu_dai,
-	unsigned int mask, int slots)
-{
-	u32 stmsk, srmsk, stccr;
-
-	if (cpu_dai->id == IMX_DAI_SSI0 || cpu_dai->id == IMX_DAI_SSI2) {
-		if (SSI1_SCR & SSI_SCR_SSIEN) {
-			printk(KERN_WARNING "Warning ssi already enabled\n");
-			return 0;
-		}
-		stccr = SSI1_STCCR;
-	} else {
-		if (SSI2_SCR & SSI_SCR_SSIEN) {
-			printk(KERN_WARNING "Warning ssi already enabled\n");
-			return 0;
-		}
-		stccr = SSI2_STCCR;
-	}
-
-	stmsk = srmsk = mask;
-	stccr &= ~SSI_STCCR_DC_MASK;
-	stccr |= SSI_STCCR_DC(slots - 1);
-
-	if (cpu_dai->id == IMX_DAI_SSI0 || cpu_dai->id == IMX_DAI_SSI2) {
-		SSI1_STMSK = stmsk;
-		SSI1_SRMSK = srmsk;
-		SSI1_SRCCR = SSI1_STCCR = stccr;
-	} else {
-		SSI2_STMSK = stmsk;
-		SSI2_SRMSK = srmsk;
-		SSI2_SRCCR = SSI2_STCCR = stccr;
-	}
-
-	return 0;
-}
-
-/*
- * SSI DAI format configuration.
- * Should only be called when port is inactive (i.e. SSIEN = 0).
- * Note: We don't use the I2S modes but instead manually configure the
- * SSI for I2S.
- */
-static int imx_ssi_set_dai_fmt(struct snd_soc_dai *cpu_dai,
-		unsigned int fmt)
-{
-	u32 stcr = 0, srcr = 0, scr;
-
-	/*
-	 * This is done to avoid this function to modify
-	 * previous set values in stcr
-	 */
-	stcr = SSI1_STCR;
-
-	if (cpu_dai->id == IMX_DAI_SSI0 || cpu_dai->id == IMX_DAI_SSI2)
-		scr = SSI1_SCR & ~(SSI_SCR_SYN | SSI_SCR_NET);
-	else
-		scr = SSI2_SCR & ~(SSI_SCR_SYN | SSI_SCR_NET);
-
-	if (scr & SSI_SCR_SSIEN) {
-		printk(KERN_WARNING "Warning ssi already enabled\n");
-		return 0;
-	}
-
-	/* DAI mode */
-	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
-	case SND_SOC_DAIFMT_I2S:
-		/* data on rising edge of bclk, frame low 1clk before data */
-		stcr |= SSI_STCR_TFSI | SSI_STCR_TEFS | SSI_STCR_TXBIT0;
-		srcr |= SSI_SRCR_RFSI | SSI_SRCR_REFS | SSI_SRCR_RXBIT0;
-		break;
-	case SND_SOC_DAIFMT_LEFT_J:
-		/* data on rising edge of bclk, frame high with data */
-		stcr |= SSI_STCR_TXBIT0;
-		srcr |= SSI_SRCR_RXBIT0;
-		break;
-	case SND_SOC_DAIFMT_DSP_B:
-		/* data on rising edge of bclk, frame high with data */
-		stcr |= SSI_STCR_TFSL;
-		srcr |= SSI_SRCR_RFSL;
-		break;
-	case SND_SOC_DAIFMT_DSP_A:
-		/* data on rising edge of bclk, frame high 1clk before data */
-		stcr |= SSI_STCR_TFSL | SSI_STCR_TEFS;
-		srcr |= SSI_SRCR_RFSL | SSI_SRCR_REFS;
-		break;
-	}
-
-	/* DAI clock inversion */
-	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
-	case SND_SOC_DAIFMT_IB_IF:
-		stcr |= SSI_STCR_TFSI;
-		stcr &= ~SSI_STCR_TSCKP;
-		srcr |= SSI_SRCR_RFSI;
-		srcr &= ~SSI_SRCR_RSCKP;
-		break;
-	case SND_SOC_DAIFMT_IB_NF:
-		stcr &= ~(SSI_STCR_TSCKP | SSI_STCR_TFSI);
-		srcr &= ~(SSI_SRCR_RSCKP | SSI_SRCR_RFSI);
-		break;
-	case SND_SOC_DAIFMT_NB_IF:
-		stcr |= SSI_STCR_TFSI | SSI_STCR_TSCKP;
-		srcr |= SSI_SRCR_RFSI | SSI_SRCR_RSCKP;
-		break;
-	case SND_SOC_DAIFMT_NB_NF:
-		stcr &= ~SSI_STCR_TFSI;
-		stcr |= SSI_STCR_TSCKP;
-		srcr &= ~SSI_SRCR_RFSI;
-		srcr |= SSI_SRCR_RSCKP;
-		break;
-	}
-
-	/* DAI clock master masks */
-	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
-	case SND_SOC_DAIFMT_CBS_CFS:
-		stcr |= SSI_STCR_TFDIR | SSI_STCR_TXDIR;
-		srcr |= SSI_SRCR_RFDIR | SSI_SRCR_RXDIR;
-		break;
-	case SND_SOC_DAIFMT_CBM_CFS:
-		stcr |= SSI_STCR_TFDIR;
-		srcr |= SSI_SRCR_RFDIR;
-		break;
-	case SND_SOC_DAIFMT_CBS_CFM:
-		stcr |= SSI_STCR_TXDIR;
-		srcr |= SSI_SRCR_RXDIR;
-		break;
-	}
-
-	if (cpu_dai->id == IMX_DAI_SSI0 || cpu_dai->id == IMX_DAI_SSI2) {
-		SSI1_STCR = stcr;
-		SSI1_SRCR = srcr;
-		SSI1_SCR = scr;
-	} else {
-		SSI2_STCR = stcr;
-		SSI2_SRCR = srcr;
-		SSI2_SCR = scr;
-	}
-
-	return 0;
-}
-
-static int imx_ssi_startup(struct snd_pcm_substream *substream,
-			struct snd_soc_dai *dai)
-{
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
-
-	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
-		/* set up TX DMA params */
-		switch (cpu_dai->id) {
-		case IMX_DAI_SSI0:
-			cpu_dai->dma_data = &imx_ssi1_pcm_stereo_out0;
-			break;
-		case IMX_DAI_SSI1:
-			cpu_dai->dma_data = &imx_ssi1_pcm_stereo_out1;
-			break;
-		case IMX_DAI_SSI2:
-			cpu_dai->dma_data = &imx_ssi2_pcm_stereo_out0;
-			break;
-		case IMX_DAI_SSI3:
-			cpu_dai->dma_data = &imx_ssi2_pcm_stereo_out1;
-		}
-		pr_debug("%s: (playback)\n", __func__);
-	} else {
-		/* set up RX DMA params */
-		switch (cpu_dai->id) {
-		case IMX_DAI_SSI0:
-			cpu_dai->dma_data = &imx_ssi1_pcm_stereo_in0;
-			break;
-		case IMX_DAI_SSI1:
-			cpu_dai->dma_data = &imx_ssi1_pcm_stereo_in1;
-			break;
-		case IMX_DAI_SSI2:
-			cpu_dai->dma_data = &imx_ssi2_pcm_stereo_in0;
-			break;
-		case IMX_DAI_SSI3:
-			cpu_dai->dma_data = &imx_ssi2_pcm_stereo_in1;
-		}
-		pr_debug("%s: (capture)\n", __func__);
-	}
-
-	/*
-	 * we cant really change any SSI values after SSI is enabled
-	 * need to fix in software for max flexibility - lrg
-	 */
-	if (cpu_dai->active) {
-		printk(KERN_WARNING "Warning ssi already enabled\n");
-		return 0;
-	}
-
-	/* reset the SSI port - Sect 45.4.4 */
-	if (cpu_dai->id == IMX_DAI_SSI0 || cpu_dai->id == IMX_DAI_SSI2) {
-
-		if (!ssi_clk0)
-			return -EINVAL;
-
-		if (ssi_active[SSI1_PORT]++) {
-			pr_debug("%s: exit before reset\n", __func__);
-			return 0;
-		}
-
-		/* SSI1 Reset */
-		SSI1_SCR = 0;
-
-		SSI1_SFCSR = SSI_SFCSR_RFWM1(RXFIFO_WATERMARK) |
-			SSI_SFCSR_RFWM0(RXFIFO_WATERMARK) |
-			SSI_SFCSR_TFWM1(TXFIFO_WATERMARK) |
-			SSI_SFCSR_TFWM0(TXFIFO_WATERMARK);
-	} else {
-
-		if (!ssi_clk1)
-			return -EINVAL;
-
-		if (ssi_active[SSI2_PORT]++) {
-			pr_debug("%s: exit before reset\n", __func__);
-			return 0;
-		}
-
-		/* SSI2 Reset */
-		SSI2_SCR = 0;
-
-		SSI2_SFCSR = SSI_SFCSR_RFWM1(RXFIFO_WATERMARK) |
-			SSI_SFCSR_RFWM0(RXFIFO_WATERMARK) |
-			SSI_SFCSR_TFWM1(TXFIFO_WATERMARK) |
-			SSI_SFCSR_TFWM0(TXFIFO_WATERMARK);
-	}
-
-	return 0;
-}
-
-int imx_ssi_hw_tx_params(struct snd_pcm_substream *substream,
-				struct snd_pcm_hw_params *params)
-{
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
-	u32 stccr, stcr, sier;
-
-	pr_debug("%s\n", __func__);
-
-	if (cpu_dai->id == IMX_DAI_SSI0 || cpu_dai->id == IMX_DAI_SSI2) {
-		stccr = SSI1_STCCR & ~SSI_STCCR_WL_MASK;
-		stcr = SSI1_STCR;
-		sier = SSI1_SIER;
-	} else {
-		stccr = SSI2_STCCR & ~SSI_STCCR_WL_MASK;
-		stcr = SSI2_STCR;
-		sier = SSI2_SIER;
-	}
-
-	/* DAI data (word) size */
-	switch (params_format(params)) {
-	case SNDRV_PCM_FORMAT_S16_LE:
-		stccr |= SSI_STCCR_WL(16);
-		break;
-	case SNDRV_PCM_FORMAT_S20_3LE:
-		stccr |= SSI_STCCR_WL(20);
-		break;
-	case SNDRV_PCM_FORMAT_S24_LE:
-		stccr |= SSI_STCCR_WL(24);
-		break;
-	}
-
-	/* enable interrupts */
-	if (cpu_dai->id == IMX_DAI_SSI0 || cpu_dai->id == IMX_DAI_SSI2)
-		stcr |= SSI_STCR_TFEN0;
-	else
-		stcr |= SSI_STCR_TFEN1;
-	sier |= SSI_SIER_TDMAE;
-
-	if (cpu_dai->id == IMX_DAI_SSI0 || cpu_dai->id == IMX_DAI_SSI2) {
-		SSI1_STCR = stcr;
-		SSI1_STCCR = stccr;
-		SSI1_SIER = sier;
-	} else {
-		SSI2_STCR = stcr;
-		SSI2_STCCR = stccr;
-		SSI2_SIER = sier;
-	}
-
-	return 0;
-}
-
-int imx_ssi_hw_rx_params(struct snd_pcm_substream *substream,
-				struct snd_pcm_hw_params *params)
-{
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
-	u32 srccr, srcr, sier;
-
-	pr_debug("%s\n", __func__);
-
-	if (cpu_dai->id == IMX_DAI_SSI0 || cpu_dai->id == IMX_DAI_SSI2) {
-		srccr = SSI1_SRCCR & ~SSI_SRCCR_WL_MASK;
-		srcr = SSI1_SRCR;
-		sier = SSI1_SIER;
-	} else {
-		srccr = SSI2_SRCCR & ~SSI_SRCCR_WL_MASK;
-		srcr = SSI2_SRCR;
-		sier = SSI2_SIER;
-	}
-
-	/* DAI data (word) size */
-	switch (params_format(params)) {
-	case SNDRV_PCM_FORMAT_S16_LE:
-		srccr |= SSI_SRCCR_WL(16);
-		break;
-	case SNDRV_PCM_FORMAT_S20_3LE:
-		srccr |= SSI_SRCCR_WL(20);
-		break;
-	case SNDRV_PCM_FORMAT_S24_LE:
-		srccr |= SSI_SRCCR_WL(24);
-		break;
-	}
-
-	/* enable interrupts */
-	if (cpu_dai->id == IMX_DAI_SSI0 || cpu_dai->id == IMX_DAI_SSI2)
-		srcr |= SSI_SRCR_RFEN0;
-	else
-		srcr |= SSI_SRCR_RFEN1;
-	sier |= SSI_SIER_RDMAE;
-
-	if (cpu_dai->id == IMX_DAI_SSI0 || cpu_dai->id == IMX_DAI_SSI2) {
-		SSI1_SRCR = srcr;
-		SSI1_SRCCR = srccr;
-		SSI1_SIER = sier;
-	} else {
-		SSI2_SRCR = srcr;
-		SSI2_SRCCR = srccr;
-		SSI2_SIER = sier;
-	}
-
-	return 0;
-}
-
-/*
- * Should only be called when port is inactive (i.e. SSIEN = 0),
- * although can be called multiple times by upper layers.
- */
-int imx_ssi_hw_params(struct snd_pcm_substream *substream,
-				struct snd_pcm_hw_params *params,
-				struct snd_soc_dai *dai)
-{
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
-
-	int ret;
-
-	/* cant change any parameters when SSI is running */
-	if (cpu_dai->id == IMX_DAI_SSI0 || cpu_dai->id == IMX_DAI_SSI2) {
-		if (SSI1_SCR & SSI_SCR_SSIEN) {
-			printk(KERN_WARNING "Warning ssi already enabled\n");
-			return 0;
-		}
-	} else {
-		if (SSI2_SCR & SSI_SCR_SSIEN) {
-			printk(KERN_WARNING "Warning ssi already enabled\n");
-			return 0;
-		}
-	}
-
-	/*
-	 * Configure both tx and rx params with the same settings. This is
-	 * really a harware restriction because SSI must be disabled until
-	 * we can change those values. If there is an active audio stream in
-	 * one direction, enabling the other direction with different
-	 * settings would mean disturbing the running one.
-	 */
-	ret = imx_ssi_hw_tx_params(substream, params);
-	if (ret < 0)
-		return ret;
-	return imx_ssi_hw_rx_params(substream, params);
-}
-
-int imx_ssi_prepare(struct snd_pcm_substream *substream,
-			struct snd_soc_dai *dai)
-{
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
-	int ret;
-
-	pr_debug("%s\n", __func__);
-
-	/* Enable clks here to follow SSI recommended init sequence */
-	if (cpu_dai->id == IMX_DAI_SSI0 || cpu_dai->id == IMX_DAI_SSI2) {
-		ret = clk_enable(ssi_clk0);
-		if (ret < 0)
-			printk(KERN_ERR "Unable to enable ssi_clk0\n");
-	} else {
-		ret = clk_enable(ssi_clk1);
-		if (ret < 0)
-			printk(KERN_ERR "Unable to enable ssi_clk1\n");
-	}
-
-	return 0;
-}
-
-static int imx_ssi_trigger(struct snd_pcm_substream *substream, int cmd,
-			struct snd_soc_dai *dai)
-{
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
-	u32 scr;
-
-	if (cpu_dai->id == IMX_DAI_SSI0 || cpu_dai->id == IMX_DAI_SSI2)
-		scr = SSI1_SCR;
-	else
-		scr = SSI2_SCR;
-
-	switch (cmd) {
-	case SNDRV_PCM_TRIGGER_START:
-	case SNDRV_PCM_TRIGGER_RESUME:
-	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
-		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
-			scr |= SSI_SCR_TE | SSI_SCR_SSIEN;
-		else
-			scr |= SSI_SCR_RE | SSI_SCR_SSIEN;
-		break;
-	case SNDRV_PCM_TRIGGER_SUSPEND:
-	case SNDRV_PCM_TRIGGER_STOP:
-	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
-		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
-			scr &= ~SSI_SCR_TE;
-		else
-			scr &= ~SSI_SCR_RE;
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	if (cpu_dai->id == IMX_DAI_SSI0 || cpu_dai->id == IMX_DAI_SSI2)
-		SSI1_SCR = scr;
-	else
-		SSI2_SCR = scr;
-
-	return 0;
-}
-
-static void imx_ssi_shutdown(struct snd_pcm_substream *substream,
-			struct snd_soc_dai *dai)
-{
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
-
-	/* shutdown SSI if neither Tx or Rx is active */
-	if (!cpu_dai->active) {
-
-		if (cpu_dai->id == IMX_DAI_SSI0 ||
-			cpu_dai->id == IMX_DAI_SSI2) {
-
-			if (--ssi_active[SSI1_PORT] > 1)
-				return;
-
-			SSI1_SCR = 0;
-			clk_disable(ssi_clk0);
-		} else {
-			if (--ssi_active[SSI2_PORT])
-				return;
-			SSI2_SCR = 0;
-			clk_disable(ssi_clk1);
-		}
-	}
-}
-
-#ifdef CONFIG_PM
-static int imx_ssi_suspend(struct platform_device *dev,
-	struct snd_soc_dai *dai)
-{
-	return 0;
-}
-
-static int imx_ssi_resume(struct platform_device *pdev,
-	struct snd_soc_dai *dai)
-{
-	return 0;
-}
-
-#else
-#define imx_ssi_suspend	NULL
-#define imx_ssi_resume	NULL
-#endif
-
-#define IMX_SSI_RATES \
-	(SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | \
-	SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | \
-	SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
-	SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | \
-	SNDRV_PCM_RATE_96000)
-
-#define IMX_SSI_BITS \
-	(SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
-	SNDRV_PCM_FMTBIT_S24_LE)
-
-static struct snd_soc_dai_ops imx_ssi_pcm_dai_ops = {
-	.startup = imx_ssi_startup,
-	.shutdown = imx_ssi_shutdown,
-	.trigger = imx_ssi_trigger,
-	.prepare = imx_ssi_prepare,
-	.hw_params = imx_ssi_hw_params,
-	.set_sysclk = imx_ssi_set_dai_sysclk,
-	.set_clkdiv = imx_ssi_set_dai_clkdiv,
-	.set_fmt = imx_ssi_set_dai_fmt,
-	.set_tdm_slot = imx_ssi_set_dai_tdm_slot,
-};
-
-struct snd_soc_dai imx_ssi_pcm_dai[] = {
-{
-	.name = "imx-i2s-1-0",
-	.id = IMX_DAI_SSI0,
-	.suspend = imx_ssi_suspend,
-	.resume = imx_ssi_resume,
-	.playback = {
-		.channels_min = 1,
-		.channels_max = 2,
-		.formats = IMX_SSI_BITS,
-		.rates = IMX_SSI_RATES,},
-	.capture = {
-		.channels_min = 1,
-		.channels_max = 2,
-		.formats = IMX_SSI_BITS,
-		.rates = IMX_SSI_RATES,},
-	.ops = &imx_ssi_pcm_dai_ops,
-},
-{
-	.name = "imx-i2s-2-0",
-	.id = IMX_DAI_SSI1,
-	.playback = {
-		.channels_min = 1,
-		.channels_max = 2,
-		.formats = IMX_SSI_BITS,
-		.rates = IMX_SSI_RATES,},
-	.capture = {
-		.channels_min = 1,
-		.channels_max = 2,
-		.formats = IMX_SSI_BITS,
-		.rates = IMX_SSI_RATES,},
-	.ops = &imx_ssi_pcm_dai_ops,
-},
-{
-	.name = "imx-i2s-1-1",
-	.id = IMX_DAI_SSI2,
-	.suspend = imx_ssi_suspend,
-	.resume = imx_ssi_resume,
-	.playback = {
-		.channels_min = 1,
-		.channels_max = 2,
-		.formats = IMX_SSI_BITS,
-		.rates = IMX_SSI_RATES,},
-	.capture = {
-		.channels_min = 1,
-		.channels_max = 2,
-		.formats = IMX_SSI_BITS,
-		.rates = IMX_SSI_RATES,},
-	.ops = &imx_ssi_pcm_dai_ops,
-},
-{
-	.name = "imx-i2s-2-1",
-	.id = IMX_DAI_SSI3,
-	.playback = {
-		.channels_min = 1,
-		.channels_max = 2,
-		.formats = IMX_SSI_BITS,
-		.rates = IMX_SSI_RATES,},
-	.capture = {
-		.channels_min = 1,
-		.channels_max = 2,
-		.formats = IMX_SSI_BITS,
-		.rates = IMX_SSI_RATES,},
-	.ops = &imx_ssi_pcm_dai_ops,
-},
-};
-EXPORT_SYMBOL_GPL(imx_ssi_pcm_dai);
-
-static int __init imx_ssi_init(void)
-{
-	return snd_soc_register_dais(imx_ssi_pcm_dai,
-				ARRAY_SIZE(imx_ssi_pcm_dai));
-}
-
-static void __exit imx_ssi_exit(void)
-{
-	snd_soc_unregister_dais(imx_ssi_pcm_dai,
-				ARRAY_SIZE(imx_ssi_pcm_dai));
-}
-
-module_init(imx_ssi_init);
-module_exit(imx_ssi_exit);
-MODULE_AUTHOR("Liam Girdwood, liam.girdwood at wolfsonmicro.com");
-MODULE_DESCRIPTION("i.MX ASoC I2S driver");
-MODULE_LICENSE("GPL");
diff --git a/sound/soc/imx/mxc-ssi.h b/sound/soc/imx/mxc-ssi.h
deleted file mode 100644
index 12bbdc9..0000000
--- a/sound/soc/imx/mxc-ssi.h
+++ /dev/null
@@ -1,238 +0,0 @@
-/*
- * 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.
- */
-
-#ifndef _IMX_SSI_H
-#define _IMX_SSI_H
-
-#include <mach/hardware.h>
-
-/* SSI regs definition - MOVE to /arch/arm/plat-mxc/include/mach/ when stable */
-#define SSI1_IO_BASE_ADDR	IO_ADDRESS(SSI1_BASE_ADDR)
-#define SSI2_IO_BASE_ADDR	IO_ADDRESS(SSI2_BASE_ADDR)
-
-#define STX0   0x00
-#define STX1   0x04
-#define SRX0   0x08
-#define SRX1   0x0c
-#define SCR    0x10
-#define SISR   0x14
-#define SIER   0x18
-#define STCR   0x1c
-#define SRCR   0x20
-#define STCCR  0x24
-#define SRCCR  0x28
-#define SFCSR  0x2c
-#define STR    0x30
-#define SOR    0x34
-#define SACNT  0x38
-#define SACADD 0x3c
-#define SACDAT 0x40
-#define SATAG  0x44
-#define STMSK  0x48
-#define SRMSK  0x4c
-
-#define SSI1_STX0	(*((volatile u32 *)(SSI1_IO_BASE_ADDR + STX0)))
-#define SSI1_STX1   (*((volatile u32 *)(SSI1_IO_BASE_ADDR + STX1)))
-#define SSI1_SRX0   (*((volatile u32 *)(SSI1_IO_BASE_ADDR + SRX0)))
-#define SSI1_SRX1   (*((volatile u32 *)(SSI1_IO_BASE_ADDR + SRX1)))
-#define SSI1_SCR    (*((volatile u32 *)(SSI1_IO_BASE_ADDR + SCR)))
-#define SSI1_SISR   (*((volatile u32 *)(SSI1_IO_BASE_ADDR + SISR)))
-#define SSI1_SIER   (*((volatile u32 *)(SSI1_IO_BASE_ADDR + SIER)))
-#define SSI1_STCR   (*((volatile u32 *)(SSI1_IO_BASE_ADDR + STCR)))
-#define SSI1_SRCR   (*((volatile u32 *)(SSI1_IO_BASE_ADDR + SRCR)))
-#define SSI1_STCCR  (*((volatile u32 *)(SSI1_IO_BASE_ADDR + STCCR)))
-#define SSI1_SRCCR  (*((volatile u32 *)(SSI1_IO_BASE_ADDR + SRCCR)))
-#define SSI1_SFCSR  (*((volatile u32 *)(SSI1_IO_BASE_ADDR + SFCSR)))
-#define SSI1_STR    (*((volatile u32 *)(SSI1_IO_BASE_ADDR + STR)))
-#define SSI1_SOR    (*((volatile u32 *)(SSI1_IO_BASE_ADDR + SOR)))
-#define SSI1_SACNT  (*((volatile u32 *)(SSI1_IO_BASE_ADDR + SACNT)))
-#define SSI1_SACADD (*((volatile u32 *)(SSI1_IO_BASE_ADDR + SACADD)))
-#define SSI1_SACDAT (*((volatile u32 *)(SSI1_IO_BASE_ADDR + SACDAT)))
-#define SSI1_SATAG  (*((volatile u32 *)(SSI1_IO_BASE_ADDR + SATAG)))
-#define SSI1_STMSK  (*((volatile u32 *)(SSI1_IO_BASE_ADDR + STMSK)))
-#define SSI1_SRMSK  (*((volatile u32 *)(SSI1_IO_BASE_ADDR + SRMSK)))
-
-
-#define SSI2_STX0	(*((volatile u32 *)(SSI2_IO_BASE_ADDR + STX0)))
-#define SSI2_STX1   (*((volatile u32 *)(SSI2_IO_BASE_ADDR + STX1)))
-#define SSI2_SRX0   (*((volatile u32 *)(SSI2_IO_BASE_ADDR + SRX0)))
-#define SSI2_SRX1   (*((volatile u32 *)(SSI2_IO_BASE_ADDR + SRX1)))
-#define SSI2_SCR    (*((volatile u32 *)(SSI2_IO_BASE_ADDR + SCR)))
-#define SSI2_SISR   (*((volatile u32 *)(SSI2_IO_BASE_ADDR + SISR)))
-#define SSI2_SIER   (*((volatile u32 *)(SSI2_IO_BASE_ADDR + SIER)))
-#define SSI2_STCR   (*((volatile u32 *)(SSI2_IO_BASE_ADDR + STCR)))
-#define SSI2_SRCR   (*((volatile u32 *)(SSI2_IO_BASE_ADDR + SRCR)))
-#define SSI2_STCCR  (*((volatile u32 *)(SSI2_IO_BASE_ADDR + STCCR)))
-#define SSI2_SRCCR  (*((volatile u32 *)(SSI2_IO_BASE_ADDR + SRCCR)))
-#define SSI2_SFCSR  (*((volatile u32 *)(SSI2_IO_BASE_ADDR + SFCSR)))
-#define SSI2_STR    (*((volatile u32 *)(SSI2_IO_BASE_ADDR + STR)))
-#define SSI2_SOR    (*((volatile u32 *)(SSI2_IO_BASE_ADDR + SOR)))
-#define SSI2_SACNT  (*((volatile u32 *)(SSI2_IO_BASE_ADDR + SACNT)))
-#define SSI2_SACADD (*((volatile u32 *)(SSI2_IO_BASE_ADDR + SACADD)))
-#define SSI2_SACDAT (*((volatile u32 *)(SSI2_IO_BASE_ADDR + SACDAT)))
-#define SSI2_SATAG  (*((volatile u32 *)(SSI2_IO_BASE_ADDR + SATAG)))
-#define SSI2_STMSK  (*((volatile u32 *)(SSI2_IO_BASE_ADDR + STMSK)))
-#define SSI2_SRMSK  (*((volatile u32 *)(SSI2_IO_BASE_ADDR + SRMSK)))
-
-#define SSI_SCR_CLK_IST        (1 << 9)
-#define SSI_SCR_TCH_EN         (1 << 8)
-#define SSI_SCR_SYS_CLK_EN     (1 << 7)
-#define SSI_SCR_I2S_MODE_NORM  (0 << 5)
-#define SSI_SCR_I2S_MODE_MSTR  (1 << 5)
-#define SSI_SCR_I2S_MODE_SLAVE (2 << 5)
-#define SSI_SCR_SYN            (1 << 4)
-#define SSI_SCR_NET            (1 << 3)
-#define SSI_SCR_RE             (1 << 2)
-#define SSI_SCR_TE             (1 << 1)
-#define SSI_SCR_SSIEN          (1 << 0)
-
-#define SSI_SISR_CMDAU         (1 << 18)
-#define SSI_SISR_CMDDU         (1 << 17)
-#define SSI_SISR_RXT           (1 << 16)
-#define SSI_SISR_RDR1          (1 << 15)
-#define SSI_SISR_RDR0          (1 << 14)
-#define SSI_SISR_TDE1          (1 << 13)
-#define SSI_SISR_TDE0          (1 << 12)
-#define SSI_SISR_ROE1          (1 << 11)
-#define SSI_SISR_ROE0          (1 << 10)
-#define SSI_SISR_TUE1          (1 << 9)
-#define SSI_SISR_TUE0          (1 << 8)
-#define SSI_SISR_TFS           (1 << 7)
-#define SSI_SISR_RFS           (1 << 6)
-#define SSI_SISR_TLS           (1 << 5)
-#define SSI_SISR_RLS           (1 << 4)
-#define SSI_SISR_RFF1          (1 << 3)
-#define SSI_SISR_RFF0          (1 << 2)
-#define SSI_SISR_TFE1          (1 << 1)
-#define SSI_SISR_TFE0          (1 << 0)
-
-#define SSI_SIER_RDMAE         (1 << 22)
-#define SSI_SIER_RIE           (1 << 21)
-#define SSI_SIER_TDMAE         (1 << 20)
-#define SSI_SIER_TIE           (1 << 19)
-#define SSI_SIER_CMDAU_EN      (1 << 18)
-#define SSI_SIER_CMDDU_EN      (1 << 17)
-#define SSI_SIER_RXT_EN        (1 << 16)
-#define SSI_SIER_RDR1_EN       (1 << 15)
-#define SSI_SIER_RDR0_EN       (1 << 14)
-#define SSI_SIER_TDE1_EN       (1 << 13)
-#define SSI_SIER_TDE0_EN       (1 << 12)
-#define SSI_SIER_ROE1_EN       (1 << 11)
-#define SSI_SIER_ROE0_EN       (1 << 10)
-#define SSI_SIER_TUE1_EN       (1 << 9)
-#define SSI_SIER_TUE0_EN       (1 << 8)
-#define SSI_SIER_TFS_EN        (1 << 7)
-#define SSI_SIER_RFS_EN        (1 << 6)
-#define SSI_SIER_TLS_EN        (1 << 5)
-#define SSI_SIER_RLS_EN        (1 << 4)
-#define SSI_SIER_RFF1_EN       (1 << 3)
-#define SSI_SIER_RFF0_EN       (1 << 2)
-#define SSI_SIER_TFE1_EN       (1 << 1)
-#define SSI_SIER_TFE0_EN       (1 << 0)
-
-#define SSI_STCR_TXBIT0        (1 << 9)
-#define SSI_STCR_TFEN1         (1 << 8)
-#define SSI_STCR_TFEN0         (1 << 7)
-#define SSI_STCR_TFDIR         (1 << 6)
-#define SSI_STCR_TXDIR         (1 << 5)
-#define SSI_STCR_TSHFD         (1 << 4)
-#define SSI_STCR_TSCKP         (1 << 3)
-#define SSI_STCR_TFSI          (1 << 2)
-#define SSI_STCR_TFSL          (1 << 1)
-#define SSI_STCR_TEFS          (1 << 0)
-
-#define SSI_SRCR_RXBIT0        (1 << 9)
-#define SSI_SRCR_RFEN1         (1 << 8)
-#define SSI_SRCR_RFEN0         (1 << 7)
-#define SSI_SRCR_RFDIR         (1 << 6)
-#define SSI_SRCR_RXDIR         (1 << 5)
-#define SSI_SRCR_RSHFD         (1 << 4)
-#define SSI_SRCR_RSCKP         (1 << 3)
-#define SSI_SRCR_RFSI          (1 << 2)
-#define SSI_SRCR_RFSL          (1 << 1)
-#define SSI_SRCR_REFS          (1 << 0)
-
-#define SSI_STCCR_DIV2         (1 << 18)
-#define SSI_STCCR_PSR          (1 << 15)
-#define SSI_STCCR_WL(x)        ((((x) - 2) >> 1) << 13)
-#define SSI_STCCR_DC(x)        (((x) & 0x1f) << 8)
-#define SSI_STCCR_PM(x)        (((x) & 0xff) << 0)
-#define SSI_STCCR_WL_MASK        (0xf << 13)
-#define SSI_STCCR_DC_MASK        (0x1f << 8)
-#define SSI_STCCR_PM_MASK        (0xff << 0)
-
-#define SSI_SRCCR_DIV2         (1 << 18)
-#define SSI_SRCCR_PSR          (1 << 15)
-#define SSI_SRCCR_WL(x)        ((((x) - 2) >> 1) << 13)
-#define SSI_SRCCR_DC(x)        (((x) & 0x1f) << 8)
-#define SSI_SRCCR_PM(x)        (((x) & 0xff) << 0)
-#define SSI_SRCCR_WL_MASK        (0xf << 13)
-#define SSI_SRCCR_DC_MASK        (0x1f << 8)
-#define SSI_SRCCR_PM_MASK        (0xff << 0)
-
-
-#define SSI_SFCSR_RFCNT1(x)   (((x) & 0xf) << 28)
-#define SSI_SFCSR_TFCNT1(x)   (((x) & 0xf) << 24)
-#define SSI_SFCSR_RFWM1(x)    (((x) & 0xf) << 20)
-#define SSI_SFCSR_TFWM1(x)    (((x) & 0xf) << 16)
-#define SSI_SFCSR_RFCNT0(x)   (((x) & 0xf) << 12)
-#define SSI_SFCSR_TFCNT0(x)   (((x) & 0xf) <<  8)
-#define SSI_SFCSR_RFWM0(x)    (((x) & 0xf) <<  4)
-#define SSI_SFCSR_TFWM0(x)    (((x) & 0xf) <<  0)
-
-#define SSI_STR_TEST          (1 << 15)
-#define SSI_STR_RCK2TCK       (1 << 14)
-#define SSI_STR_RFS2TFS       (1 << 13)
-#define SSI_STR_RXSTATE(x)    (((x) & 0xf) << 8)
-#define SSI_STR_TXD2RXD       (1 <<  7)
-#define SSI_STR_TCK2RCK       (1 <<  6)
-#define SSI_STR_TFS2RFS       (1 <<  5)
-#define SSI_STR_TXSTATE(x)    (((x) & 0xf) << 0)
-
-#define SSI_SOR_CLKOFF        (1 << 6)
-#define SSI_SOR_RX_CLR        (1 << 5)
-#define SSI_SOR_TX_CLR        (1 << 4)
-#define SSI_SOR_INIT          (1 << 3)
-#define SSI_SOR_WAIT(x)       (((x) & 0x3) << 1)
-#define SSI_SOR_SYNRST        (1 << 0)
-
-#define SSI_SACNT_FRDIV(x)    (((x) & 0x3f) << 5)
-#define SSI_SACNT_WR          (x << 4)
-#define SSI_SACNT_RD          (x << 3)
-#define SSI_SACNT_TIF         (x << 2)
-#define SSI_SACNT_FV          (x << 1)
-#define SSI_SACNT_AC97EN      (x << 0)
-
-/* Watermarks for FIFO's */
-#define TXFIFO_WATERMARK				0x4
-#define RXFIFO_WATERMARK				0x4
-
-/* i.MX DAI SSP ID's */
-#define IMX_DAI_SSI0			0 /* SSI1 FIFO 0 */
-#define IMX_DAI_SSI1			1 /* SSI1 FIFO 1 */
-#define IMX_DAI_SSI2			2 /* SSI2 FIFO 0 */
-#define IMX_DAI_SSI3			3 /* SSI2 FIFO 1 */
-
-/* SSI clock sources */
-#define IMX_SSP_SYS_CLK		0
-
-/* SSI audio dividers */
-#define IMX_SSI_TX_DIV_2			0
-#define IMX_SSI_TX_DIV_PSR			1
-#define IMX_SSI_TX_DIV_PM			2
-#define IMX_SSI_RX_DIV_2			3
-#define IMX_SSI_RX_DIV_PSR			4
-#define IMX_SSI_RX_DIV_PM			5
-
-
-/* SSI Div 2 */
-#define IMX_SSI_DIV_2_OFF		(~SSI_STCCR_DIV2)
-#define IMX_SSI_DIV_2_ON		SSI_STCCR_DIV2
-
-extern struct snd_soc_dai imx_ssi_pcm_dai[4];
-extern int get_ssi_clk(int ssi, struct device *dev);
-extern void put_ssi_clk(int ssi);
-#endif
-- 
1.6.5.2



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