sound/soc/kirkwood/kirkwood.h

   1 /*
   2  * kirkwood.h
   3  *
   4  * (c) 2010 Arnaud Patard <apatard@mandriva.com>
   5  *
   6  *  This program is free software; you can redistribute  it and/or modify it
   7  *  under  the terms of  the GNU General  Public License as published by the
   8  *  Free Software Foundation;  either version 2 of the  License, or (at your
   9  *  option) any later version.
  10  */
  11
  12 #ifndef _KIRKWOOD_AUDIO_H
  13 #define _KIRKWOOD_AUDIO_H
  14
  15 #define KIRKWOOD_RECORD_WIN                     0
  16 #define KIRKWOOD_PLAYBACK_WIN                   1
  17 #define KIRKWOOD_MAX_AUDIO_WIN                  2
  18
  19 #define KIRKWOOD_AUDIO_WIN_BASE_REG(win)        (0xA00 + ((win)<<3))
  20 #define KIRKWOOD_AUDIO_WIN_CTRL_REG(win)        (0xA04 + ((win)<<3))
  21
  22
  23 #define KIRKWOOD_RECCTL                 0x1000
  24 #define KIRKWOOD_RECCTL_SPDIF_EN                (1<<11)
  25 #define KIRKWOOD_RECCTL_I2S_EN                  (1<<10)
  26 #define KIRKWOOD_RECCTL_PAUSE                   (1<<9)
  27 #define KIRKWOOD_RECCTL_MUTE                    (1<<8)
  28 #define KIRKWOOD_RECCTL_BURST_MASK              (3<<5)
  29 #define KIRKWOOD_RECCTL_BURST_128               (2<<5)
  30 #define KIRKWOOD_RECCTL_BURST_32                (1<<5)
  31 #define KIRKWOOD_RECCTL_MONO                    (1<<4)
  32 #define KIRKWOOD_RECCTL_MONO_CHAN_RIGHT (1<<3)
  33 #define KIRKWOOD_RECCTL_MONO_CHAN_LEFT          (0<<3)
  34 #define KIRKWOOD_RECCTL_SIZE_MASK               (7<<0)
  35 #define KIRKWOOD_RECCTL_SIZE_16         (7<<0)
  36 #define KIRKWOOD_RECCTL_SIZE_16_C               (3<<0)
  37 #define KIRKWOOD_RECCTL_SIZE_20         (2<<0)
  38 #define KIRKWOOD_RECCTL_SIZE_24         (1<<0)
  39 #define KIRKWOOD_RECCTL_SIZE_32         (0<<0)
  40
  41 #define KIRKWOOD_RECCTL_ENABLE_MASK             (KIRKWOOD_RECCTL_SPDIF_EN | \
  42                                                  KIRKWOOD_RECCTL_I2S_EN)
  43
  44 #define KIRKWOOD_REC_BUF_ADDR                   0x1004
  45 #define KIRKWOOD_REC_BUF_SIZE                   0x1008
  46 #define KIRKWOOD_REC_BYTE_COUNT                 0x100C
  47
  48 #define KIRKWOOD_PLAYCTL                        0x1100
  49 #define KIRKWOOD_PLAYCTL_PLAY_BUSY              (1<<16)
  50 #define KIRKWOOD_PLAYCTL_BURST_MASK             (3<<11)
  51 #define KIRKWOOD_PLAYCTL_BURST_128              (2<<11)
  52 #define KIRKWOOD_PLAYCTL_BURST_32               (1<<11)
  53 #define KIRKWOOD_PLAYCTL_PAUSE                  (1<<9)
  54 #define KIRKWOOD_PLAYCTL_SPDIF_MUTE             (1<<8)
  55 #define KIRKWOOD_PLAYCTL_MONO_MASK              (3<<5)
  56 #define KIRKWOOD_PLAYCTL_MONO_BOTH              (3<<5)
  57 #define KIRKWOOD_PLAYCTL_MONO_OFF               (0<<5)
  58 #define KIRKWOOD_PLAYCTL_I2S_MUTE               (1<<7)
  59 #define KIRKWOOD_PLAYCTL_SPDIF_EN               (1<<4)
  60 #define KIRKWOOD_PLAYCTL_I2S_EN                 (1<<3)
  61 #define KIRKWOOD_PLAYCTL_SIZE_MASK              (7<<0)
  62 #define KIRKWOOD_PLAYCTL_SIZE_16                (7<<0)
  63 #define KIRKWOOD_PLAYCTL_SIZE_16_C              (3<<0)
  64 #define KIRKWOOD_PLAYCTL_SIZE_20                (2<<0)
  65 #define KIRKWOOD_PLAYCTL_SIZE_24                (1<<0)
  66 #define KIRKWOOD_PLAYCTL_SIZE_32                (0<<0)
  67
  68 #define KIRKWOOD_PLAYCTL_ENABLE_MASK            (KIRKWOOD_PLAYCTL_SPDIF_EN | \
  69                                                  KIRKWOOD_PLAYCTL_I2S_EN)
  70
  71 #define KIRKWOOD_PLAY_BUF_ADDR                  0x1104
  72 #define KIRKWOOD_PLAY_BUF_SIZE                  0x1108
  73 #define KIRKWOOD_PLAY_BYTE_COUNT                0x110C
  74
  75 #define KIRKWOOD_DCO_CTL                        0x1204
  76 #define KIRKWOOD_DCO_CTL_OFFSET_MASK            (0xFFF<<2)
  77 #define KIRKWOOD_DCO_CTL_OFFSET_0               (0x800<<2)
  78 #define KIRKWOOD_DCO_CTL_FREQ_MASK              (3<<0)
  79 #define KIRKWOOD_DCO_CTL_FREQ_11                (0<<0)
  80 #define KIRKWOOD_DCO_CTL_FREQ_12                (1<<0)
  81 #define KIRKWOOD_DCO_CTL_FREQ_24                (2<<0)
  82
  83 #define KIRKWOOD_DCO_SPCR_STATUS                0x120c
  84 #define KIRKWOOD_DCO_SPCR_STATUS_DCO_LOCK       (1<<16)
  85
  86 #define KIRKWOOD_CLOCKS_CTRL                    0x1230
  87 #define KIRKWOOD_MCLK_SOURCE_MASK               (3<<0)
  88 #define KIRKWOOD_MCLK_SOURCE_DCO                (0<<0)
  89 #define KIRKWOOD_MCLK_SOURCE_EXTCLK             (3<<0)
  90
  91 #define KIRKWOOD_ERR_CAUSE                      0x1300
  92 #define KIRKWOOD_ERR_MASK                       0x1304
  93
  94 #define KIRKWOOD_INT_CAUSE                      0x1308
  95 #define KIRKWOOD_INT_MASK                       0x130C
  96 #define KIRKWOOD_INT_CAUSE_PLAY_BYTES           (1<<14)
  97 #define KIRKWOOD_INT_CAUSE_REC_BYTES            (1<<13)
  98 #define KIRKWOOD_INT_CAUSE_DMA_PLAY_END (1<<7)
  99 #define KIRKWOOD_INT_CAUSE_DMA_PLAY_3Q          (1<<6)
 100 #define KIRKWOOD_INT_CAUSE_DMA_PLAY_HALF        (1<<5)
 101 #define KIRKWOOD_INT_CAUSE_DMA_PLAY_1Q          (1<<4)
 102 #define KIRKWOOD_INT_CAUSE_DMA_REC_END          (1<<3)
 103 #define KIRKWOOD_INT_CAUSE_DMA_REC_3Q           (1<<2)
 104 #define KIRKWOOD_INT_CAUSE_DMA_REC_HALF (1<<1)
 105 #define KIRKWOOD_INT_CAUSE_DMA_REC_1Q           (1<<0)
 106
 107 #define KIRKWOOD_REC_BYTE_INT_COUNT             0x1310
 108 #define KIRKWOOD_PLAY_BYTE_INT_COUNT            0x1314
 109 #define KIRKWOOD_BYTE_INT_COUNT_MASK            0xffffff
 110
 111 #define KIRKWOOD_I2S_PLAYCTL                    0x2508
 112 #define KIRKWOOD_I2S_RECCTL                     0x2408
 113 #define KIRKWOOD_I2S_CTL_JUST_MASK              (0xf<<26)
 114 #define KIRKWOOD_I2S_CTL_LJ                     (0<<26)
 115 #define KIRKWOOD_I2S_CTL_I2S                    (5<<26)
 116 #define KIRKWOOD_I2S_CTL_RJ                     (8<<26)
 117 #define KIRKWOOD_I2S_CTL_SIZE_MASK              (3<<30)
 118 #define KIRKWOOD_I2S_CTL_SIZE_16                (3<<30)
 119 #define KIRKWOOD_I2S_CTL_SIZE_20                (2<<30)
 120 #define KIRKWOOD_I2S_CTL_SIZE_24                (1<<30)
 121 #define KIRKWOOD_I2S_CTL_SIZE_32                (0<<30)
 122
 123 #define KIRKWOOD_AUDIO_BUF_MAX                  (16*1024*1024)
 124
 125 /* Theses values come from the marvell alsa driver */
 126 /* need to find where they come from               */
 127 #define KIRKWOOD_SND_MIN_PERIODS                2
 128 #define KIRKWOOD_SND_MAX_PERIODS                16
 129 #define KIRKWOOD_SND_MIN_PERIOD_BYTES           256
 130 #define KIRKWOOD_SND_MAX_PERIOD_BYTES           0x8000
 131 #define KIRKWOOD_SND_MAX_BUFFER_BYTES           (KIRKWOOD_SND_MAX_PERIOD_BYTES \
 132                                                  * KIRKWOOD_SND_MAX_PERIODS)
 133
 134 struct kirkwood_dma_data {
 135         void __iomem *io;
 136         struct clk *clk;
 137         struct clk *extclk;
 138         uint32_t ctl_play;
 139         uint32_t ctl_rec;
 140         struct snd_pcm_substream *substream_play;
 141         struct snd_pcm_substream *substream_rec;
 142         int irq;
 143         int burst;
 144 };
 145
 146 extern const struct snd_soc_platform_driver kirkwood_soc_platform;
 147
 148 #endif