ux500_msp_dai.h

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/*
 * Copyright (C) ST-Ericsson SA 2012
 *
 * Author: Ola Lilja <[email protected]>,
 *         Roger Nilsson <[email protected]>
 *         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 "ux500_msp_i2s.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

#ifndef CONFIG_SND_SOC_UX500_AB5500
#define UX500_MSP_INTERNAL_CLOCK_FREQ  40000000
#define UX500_MSP1_INTERNAL_CLOCK_FREQ UX500_MSP_INTERNAL_CLOCK_FREQ
#else
#define UX500_MSP_INTERNAL_CLOCK_FREQ 13000000
#define UX500_MSP1_INTERNAL_CLOCK_FREQ (UX500_MSP_INTERNAL_CLOCK_FREQ * 2)
#endif

#define UX500_MSP_MIN_CHANNELS      1
#define UX500_MSP_MAX_CHANNELS      8

#define PLAYBACK_CONFIGURED     1
#define CAPTURE_CONFIGURED      2

enum ux500_msp_clock_id {
    UX500_MSP_MASTER_CLOCK,
};

struct ux500_msp_i2s_drvdata {
    struct ux500_msp *msp;
    struct regulator *reg_vape;
    struct ux500_msp_dma_params playback_dma_data;
    struct ux500_msp_dma_params capture_dma_data;
    unsigned int fmt;
    unsigned int tx_mask;
    unsigned int rx_mask;
    int slots;
    int slot_width;
    u8 configured;
    int data_delay;

    /* Clocks */
    unsigned int master_clk;
    struct clk *clk;

    /* Regulators */
    int vape_opp_constraint;
};

int ux500_msp_dai_set_data_delay(struct snd_soc_dai *dai, int delay);

#endif