sound/soc/ux500/ux500_msp_dai.h

   1 /*
   2  * Copyright (C) ST-Ericsson SA 2012
   3  *
   4  * Author: Ola Lilja <ola.o.lilja@stericsson.com>,
   5  *         Roger Nilsson <roger.xr.nilsson@stericsson.com>
   6  *         for ST-Ericsson.
   7  *
   8  * License terms:
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License version 2 as published
  12  * by the Free Software Foundation.
  13  */
  14
  15 #ifndef UX500_msp_dai_H
  16 #define UX500_msp_dai_H
  17
  18 #include <linux/types.h>
  19 #include <linux/spinlock.h>
  20
  21 #include "ux500_msp_i2s.h"
  22
  23 #define UX500_NBR_OF_DAI        4
  24
  25 #define UX500_I2S_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |   \
  26                         SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
  27
  28 #define UX500_I2S_FORMATS (SNDRV_PCM_FMTBIT_S16_LE)
  29
  30 #define FRAME_PER_SINGLE_SLOT_8_KHZ             31
  31 #define FRAME_PER_SINGLE_SLOT_16_KHZ    124
  32 #define FRAME_PER_SINGLE_SLOT_44_1_KHZ  63
  33 #define FRAME_PER_SINGLE_SLOT_48_KHZ    49
  34 #define FRAME_PER_2_SLOTS                               31
  35 #define FRAME_PER_8_SLOTS                               138
  36 #define FRAME_PER_16_SLOTS                              277
  37
  38 #define UX500_MSP_INTERNAL_CLOCK_FREQ  40000000
  39 #define UX500_MSP1_INTERNAL_CLOCK_FREQ UX500_MSP_INTERNAL_CLOCK_FREQ
  40
  41 #define UX500_MSP_MIN_CHANNELS          1
  42 #define UX500_MSP_MAX_CHANNELS          8
  43
  44 #define PLAYBACK_CONFIGURED             1
  45 #define CAPTURE_CONFIGURED              2
  46
  47 enum ux500_msp_clock_id {
  48         UX500_MSP_MASTER_CLOCK,
  49 };
  50
  51 struct ux500_msp_i2s_drvdata {
  52         struct ux500_msp *msp;
  53         struct regulator *reg_vape;
  54         struct ux500_msp_dma_params playback_dma_data;
  55         struct ux500_msp_dma_params capture_dma_data;
  56         unsigned int fmt;
  57         unsigned int tx_mask;
  58         unsigned int rx_mask;
  59         int slots;
  60         int slot_width;
  61         u8 configured;
  62         int data_delay;
  63
  64         /* Clocks */
  65         unsigned int master_clk;
  66         struct clk *clk;
  67         struct clk *pclk;
  68
  69         /* Regulators */
  70         int vape_opp_constraint;
  71 };
  72
  73 int ux500_msp_dai_set_data_delay(struct snd_soc_dai *dai, int delay);
  74
  75 #endif