root/sound/soc/ux500/ux500_msp_dai.h

INCLUDED FROM

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Copyright (C) ST-Ericsson SA 2012
   4  *
   5  * Author: Ola Lilja <ola.o.lilja@stericsson.com>,
   6  *         Roger Nilsson <roger.xr.nilsson@stericsson.com>
   7  *         for ST-Ericsson.
   8  *
   9  * License terms:
  10  */
  11 
  12 #ifndef UX500_msp_dai_H
  13 #define UX500_msp_dai_H
  14 
  15 #include <linux/types.h>
  16 #include <linux/spinlock.h>
  17 
  18 #include "ux500_msp_i2s.h"
  19 
  20 #define UX500_NBR_OF_DAI        4
  21 
  22 #define UX500_I2S_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |   \
  23                         SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
  24 
  25 #define UX500_I2S_FORMATS (SNDRV_PCM_FMTBIT_S16_LE)
  26 
  27 #define FRAME_PER_SINGLE_SLOT_8_KHZ             31
  28 #define FRAME_PER_SINGLE_SLOT_16_KHZ    124
  29 #define FRAME_PER_SINGLE_SLOT_44_1_KHZ  63
  30 #define FRAME_PER_SINGLE_SLOT_48_KHZ    49
  31 #define FRAME_PER_2_SLOTS                               31
  32 #define FRAME_PER_8_SLOTS                               138
  33 #define FRAME_PER_16_SLOTS                              277
  34 
  35 #define UX500_MSP_INTERNAL_CLOCK_FREQ  40000000
  36 #define UX500_MSP1_INTERNAL_CLOCK_FREQ UX500_MSP_INTERNAL_CLOCK_FREQ
  37 
  38 #define UX500_MSP_MIN_CHANNELS          1
  39 #define UX500_MSP_MAX_CHANNELS          8
  40 
  41 #define PLAYBACK_CONFIGURED             1
  42 #define CAPTURE_CONFIGURED              2
  43 
  44 enum ux500_msp_clock_id {
  45         UX500_MSP_MASTER_CLOCK,
  46 };
  47 
  48 struct ux500_msp_i2s_drvdata {
  49         struct ux500_msp *msp;
  50         struct regulator *reg_vape;
  51         unsigned int fmt;
  52         unsigned int tx_mask;
  53         unsigned int rx_mask;
  54         int slots;
  55         int slot_width;
  56 
  57         /* Clocks */
  58         unsigned int master_clk;
  59         struct clk *clk;
  60         struct clk *pclk;
  61 
  62         /* Regulators */
  63         int vape_opp_constraint;
  64 };
  65 
  66 int ux500_msp_dai_set_data_delay(struct snd_soc_dai *dai, int delay);
  67 
  68 #endif