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/*
* Copyright (C) ST-Ericsson SA 2010
*
* Author: Ola Lilja <ola.o.lilja@stericsson.com>,
* Roger Nilsson <roger.xr.nilsson@stericsson.com>
* for ST-Ericsson.
*
* License terms:
*
* 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 UX500_PCM_H
#define UX500_PCM_H
#include <asm/page.h>
#include <linux/workqueue.h>
#define UX500_PLATFORM_MIN_RATE_PLAYBACK 8000
#define UX500_PLATFORM_MAX_RATE_PLAYBACK 48000
#define UX500_PLATFORM_MIN_RATE_CAPTURE 8000
#define UX500_PLATFORM_MAX_RATE_CAPTURE 48000
#define UX500_PLATFORM_MIN_CHANNELS 1
#define UX500_PLATFORM_MAX_CHANNELS 8
#define UX500_PLATFORM_PERIODS_BYTES_MIN 128
/* Our DMA supports maximum of 131070 bytes segment size
* So, we can support period_size of max 32767 frames
*/
#define UX500_PLATFORM_PERIODS_BYTES_MAX 131070
#define UX500_PLATFORM_PERIODS_MIN 2
#define UX500_PLATFORM_PERIODS_MAX 48
#define UX500_PLATFORM_BUFFER_BYTES_MAX (2048 * PAGE_SIZE)
extern struct snd_soc_platform ux500_soc_platform;
struct ux500_pcm_private {
struct dma_chan *pipeid;
struct workqueue_struct *wq;
struct work_struct ws_stop;
int msp_id;
int stream_id;
unsigned int offset;
};
struct ux500_pcm_dma_params {
unsigned int data_size;
struct stedma40_chan_cfg *dma_cfg;
};
#endif
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