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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_msp_dai_H
#define UX500_msp_dai_H
#include <linux/types.h>
#include <linux/spinlock.h>
#include <linux/i2s/i2s.h>
#include <mach/msp.h>
#define UX500_NBR_OF_DAI 4
#define UX500_I2S_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 | \
SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
#define UX500_I2S_FORMATS (SNDRV_PCM_FMTBIT_S16_LE)
#define FRAME_PER_SINGLE_SLOT_8_KHZ 31
#define FRAME_PER_SINGLE_SLOT_16_KHZ 124
#define FRAME_PER_SINGLE_SLOT_44_1_KHZ 63
#define FRAME_PER_SINGLE_SLOT_48_KHZ 49
#define FRAME_PER_2_SLOTS 31
#define FRAME_PER_8_SLOTS 138
#define FRAME_PER_16_SLOTS 277
#ifdef STE_PLATFORM_U5500
#define UX500_MSP_INTERNAL_CLOCK_FREQ 13000000
#else
#define UX500_MSP_INTERNAL_CLOCK_FREQ 38400000
#endif
#define UX500_MSP_MIN_CHANNELS 1
#define UX500_MSP_MAX_CHANNELS 8
#define PLAYBACK_CONFIGURED 1
#define CAPTURE_CONFIGURED 2
struct ux500_platform_drvdata {
struct i2s_device *i2s;
unsigned int fmt;
unsigned int tx_mask;
unsigned int rx_mask;
int slots;
int slot_width;
bool playback_active;
bool capture_active;
u8 configured;
int data_delay;
};
extern struct snd_soc_dai ux500_msp_dai[UX500_NBR_OF_DAI];
bool ux500_msp_dai_i2s_get_underrun_status(int dai_idx);
dma_addr_t ux500_msp_dai_i2s_get_pointer(int dai_idx, int stream_id);
int ux500_msp_dai_i2s_configure_sg(dma_addr_t dma_addr,
int sg_len,
int sg_size,
int dai_idx,
int stream_id);
int ux500_msp_dai_i2s_send_data(void *data, size_t bytes, int dai_idx);
int ux500_msp_dai_i2s_receive_data(void *data, size_t bytes, int dai_idx);
int ux500_msp_dai_set_data_delay(struct snd_soc_dai *dai, int delay);
#endif
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