LXR linux/sound/soc/kirkwood/kirkwood.h

   1/* SPDX-License-Identifier: GPL-2.0-or-later */
   2/*
   3 * kirkwood.h
   4 *
   5 * (c) 2010 Arnaud Patard <apatard@mandriva.com>
   6 */
   7
   8#ifndef _KIRKWOOD_AUDIO_H
   9#define _KIRKWOOD_AUDIO_H
  10
  11#define DRV_NAME        "mvebu-audio"
  12
  13#define KIRKWOOD_RECORD_WIN                     0
  14#define KIRKWOOD_PLAYBACK_WIN                   1
  15#define KIRKWOOD_MAX_AUDIO_WIN                  2
  16
  17#define KIRKWOOD_AUDIO_WIN_BASE_REG(win)        (0xA00 + ((win)<<3))
  18#define KIRKWOOD_AUDIO_WIN_CTRL_REG(win)        (0xA04 + ((win)<<3))
  19
  20
  21#define KIRKWOOD_RECCTL                 0x1000
  22#define KIRKWOOD_RECCTL_SPDIF_EN                (1<<11)
  23#define KIRKWOOD_RECCTL_I2S_EN                  (1<<10)
  24#define KIRKWOOD_RECCTL_PAUSE                   (1<<9)
  25#define KIRKWOOD_RECCTL_MUTE                    (1<<8)
  26#define KIRKWOOD_RECCTL_BURST_MASK              (3<<5)
  27#define KIRKWOOD_RECCTL_BURST_128               (2<<5)
  28#define KIRKWOOD_RECCTL_BURST_32                (1<<5)
  29#define KIRKWOOD_RECCTL_MONO                    (1<<4)
  30#define KIRKWOOD_RECCTL_MONO_CHAN_RIGHT (1<<3)
  31#define KIRKWOOD_RECCTL_MONO_CHAN_LEFT          (0<<3)
  32#define KIRKWOOD_RECCTL_SIZE_MASK               (7<<0)
  33#define KIRKWOOD_RECCTL_SIZE_16         (7<<0)
  34#define KIRKWOOD_RECCTL_SIZE_16_C               (3<<0)
  35#define KIRKWOOD_RECCTL_SIZE_20         (2<<0)
  36#define KIRKWOOD_RECCTL_SIZE_24         (1<<0)
  37#define KIRKWOOD_RECCTL_SIZE_32         (0<<0)
  38
  39#define KIRKWOOD_RECCTL_ENABLE_MASK             (KIRKWOOD_RECCTL_SPDIF_EN | \
  40                                                 KIRKWOOD_RECCTL_I2S_EN)
  41
  42#define KIRKWOOD_REC_BUF_ADDR                   0x1004
  43#define KIRKWOOD_REC_BUF_SIZE                   0x1008
  44#define KIRKWOOD_REC_BYTE_COUNT                 0x100C
  45
  46#define KIRKWOOD_PLAYCTL                        0x1100
  47#define KIRKWOOD_PLAYCTL_PLAY_BUSY              (1<<16)
  48#define KIRKWOOD_PLAYCTL_BURST_MASK             (3<<11)
  49#define KIRKWOOD_PLAYCTL_BURST_128              (2<<11)
  50#define KIRKWOOD_PLAYCTL_BURST_32               (1<<11)
  51#define KIRKWOOD_PLAYCTL_PAUSE                  (1<<9)
  52#define KIRKWOOD_PLAYCTL_SPDIF_MUTE             (1<<8)
  53#define KIRKWOOD_PLAYCTL_MONO_MASK              (3<<5)
  54#define KIRKWOOD_PLAYCTL_MONO_BOTH              (3<<5)
  55#define KIRKWOOD_PLAYCTL_MONO_OFF               (0<<5)
  56#define KIRKWOOD_PLAYCTL_I2S_MUTE               (1<<7)
  57#define KIRKWOOD_PLAYCTL_SPDIF_EN               (1<<4)
  58#define KIRKWOOD_PLAYCTL_I2S_EN                 (1<<3)
  59#define KIRKWOOD_PLAYCTL_SIZE_MASK              (7<<0)
  60#define KIRKWOOD_PLAYCTL_SIZE_16                (7<<0)
  61#define KIRKWOOD_PLAYCTL_SIZE_16_C              (3<<0)
  62#define KIRKWOOD_PLAYCTL_SIZE_20                (2<<0)
  63#define KIRKWOOD_PLAYCTL_SIZE_24                (1<<0)
  64#define KIRKWOOD_PLAYCTL_SIZE_32                (0<<0)
  65
  66#define KIRKWOOD_PLAYCTL_ENABLE_MASK            (KIRKWOOD_PLAYCTL_SPDIF_EN | \
  67                                                 KIRKWOOD_PLAYCTL_I2S_EN)
  68
  69#define KIRKWOOD_PLAY_BUF_ADDR                  0x1104
  70#define KIRKWOOD_PLAY_BUF_SIZE                  0x1108
  71#define KIRKWOOD_PLAY_BYTE_COUNT                0x110C
  72
  73#define KIRKWOOD_DCO_CTL                        0x1204
  74#define KIRKWOOD_DCO_CTL_OFFSET_MASK            (0xFFF<<2)
  75#define KIRKWOOD_DCO_CTL_OFFSET_0               (0x800<<2)
  76#define KIRKWOOD_DCO_CTL_FREQ_MASK              (3<<0)
  77#define KIRKWOOD_DCO_CTL_FREQ_11                (0<<0)
  78#define KIRKWOOD_DCO_CTL_FREQ_12                (1<<0)
  79#define KIRKWOOD_DCO_CTL_FREQ_24                (2<<0)
  80
  81#define KIRKWOOD_DCO_SPCR_STATUS                0x120c
  82#define KIRKWOOD_DCO_SPCR_STATUS_DCO_LOCK       (1<<16)
  83
  84#define KIRKWOOD_CLOCKS_CTRL                    0x1230
  85#define KIRKWOOD_MCLK_SOURCE_MASK               (3<<0)
  86#define KIRKWOOD_MCLK_SOURCE_DCO                (0<<0)
  87#define KIRKWOOD_MCLK_SOURCE_EXTCLK             (3<<0)
  88
  89#define KIRKWOOD_ERR_CAUSE                      0x1300
  90#define KIRKWOOD_ERR_MASK                       0x1304
  91
  92#define KIRKWOOD_INT_CAUSE                      0x1308
  93#define KIRKWOOD_INT_MASK                       0x130C
  94#define KIRKWOOD_INT_CAUSE_PLAY_BYTES           (1<<14)
  95#define KIRKWOOD_INT_CAUSE_REC_BYTES            (1<<13)
  96#define KIRKWOOD_INT_CAUSE_DMA_PLAY_END (1<<7)
  97#define KIRKWOOD_INT_CAUSE_DMA_PLAY_3Q          (1<<6)
  98#define KIRKWOOD_INT_CAUSE_DMA_PLAY_HALF        (1<<5)
  99#define KIRKWOOD_INT_CAUSE_DMA_PLAY_1Q          (1<<4)
 100#define KIRKWOOD_INT_CAUSE_DMA_REC_END          (1<<3)
 101#define KIRKWOOD_INT_CAUSE_DMA_REC_3Q           (1<<2)
 102#define KIRKWOOD_INT_CAUSE_DMA_REC_HALF (1<<1)
 103#define KIRKWOOD_INT_CAUSE_DMA_REC_1Q           (1<<0)
 104
 105#define KIRKWOOD_REC_BYTE_INT_COUNT             0x1310
 106#define KIRKWOOD_PLAY_BYTE_INT_COUNT            0x1314
 107#define KIRKWOOD_BYTE_INT_COUNT_MASK            0xffffff
 108
 109#define KIRKWOOD_I2S_PLAYCTL                    0x2508
 110#define KIRKWOOD_I2S_RECCTL                     0x2408
 111#define KIRKWOOD_I2S_CTL_JUST_MASK              (0xf<<26)
 112#define KIRKWOOD_I2S_CTL_LJ                     (0<<26)
 113#define KIRKWOOD_I2S_CTL_I2S                    (5<<26)
 114#define KIRKWOOD_I2S_CTL_RJ                     (8<<26)
 115#define KIRKWOOD_I2S_CTL_SIZE_MASK              (3<<30)
 116#define KIRKWOOD_I2S_CTL_SIZE_16                (3<<30)
 117#define KIRKWOOD_I2S_CTL_SIZE_20                (2<<30)
 118#define KIRKWOOD_I2S_CTL_SIZE_24                (1<<30)
 119#define KIRKWOOD_I2S_CTL_SIZE_32                (0<<30)
 120
 121#define KIRKWOOD_AUDIO_BUF_MAX                  (16*1024*1024)
 122
 123/* Theses values come from the marvell alsa driver */
 124/* need to find where they come from               */
 125#define KIRKWOOD_SND_MIN_PERIODS                2
 126#define KIRKWOOD_SND_MAX_PERIODS                16
 127#define KIRKWOOD_SND_MIN_PERIOD_BYTES           256
 128#define KIRKWOOD_SND_MAX_PERIOD_BYTES           0x8000
 129#define KIRKWOOD_SND_MAX_BUFFER_BYTES           (KIRKWOOD_SND_MAX_PERIOD_BYTES \
 130                                                 * KIRKWOOD_SND_MAX_PERIODS)
 131
 132struct kirkwood_dma_data {
 133        void __iomem *io;
 134        struct clk *clk;
 135        struct clk *extclk;
 136        uint32_t ctl_play;
 137        uint32_t ctl_rec;
 138        struct snd_pcm_substream *substream_play;
 139        struct snd_pcm_substream *substream_rec;
 140        int irq;
 141        int burst;
 142};
 143
 144extern const struct snd_soc_component_driver kirkwood_soc_component;
 145
 146#endif
 147