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kernel/linux-rt-4.4.41/sound/soc/ux500/ux500_msp_dai.h 1.64 KB
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  /*
   * Copyright (C) ST-Ericsson SA 2012
   *
   * 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 "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
  
  #define UX500_MSP_INTERNAL_CLOCK_FREQ  40000000
  #define UX500_MSP1_INTERNAL_CLOCK_FREQ UX500_MSP_INTERNAL_CLOCK_FREQ
  
  #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;
  	unsigned int fmt;
  	unsigned int tx_mask;
  	unsigned int rx_mask;
  	int slots;
  	int slot_width;
  
  	/* Clocks */
  	unsigned int master_clk;
  	struct clk *clk;
  	struct clk *pclk;
  
  	/* Regulators */
  	int vape_opp_constraint;
  };
  
  int ux500_msp_dai_set_data_delay(struct snd_soc_dai *dai, int delay);
  
  #endif