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   1 /* Hewlett-Packard Harmony audio driver
   2  * Copyright (C) 2004, Kyle McMartin <kyle@parisc-linux.org>
   3  */
   4
   5 #ifndef __HARMONY_H__
   6 #define __HARMONY_H__
   7
   8 struct harmony_buffer {
   9         unsigned long addr;
  10         int buf;
  11         int count;
  12         int size;
  13         int coherent;
  14 };
  15
  16 struct snd_harmony {
  17         int irq;
  18
  19         unsigned long hpa; /* hard physical address */
  20         void __iomem *iobase; /* remapped io address */
  21
  22         struct parisc_device *dev;
  23
  24         struct {
  25                 u32 gain;
  26                 u32 rate;
  27                 u32 format;
  28                 u32 stereo;
  29                 int playing;
  30                 int capturing;
  31         } st;
  32
  33         struct snd_dma_device dma; /* playback/capture */
  34         struct harmony_buffer pbuf;
  35         struct harmony_buffer cbuf;
  36
  37         struct snd_dma_buffer gdma; /* graveyard */
  38         struct snd_dma_buffer sdma; /* silence */
  39
  40         struct {
  41                 unsigned long play_intr;
  42                 unsigned long rec_intr;
  43                 unsigned long graveyard_intr;
  44                 unsigned long silence_intr;
  45         } stats;
  46
  47         struct snd_pcm *pcm;
  48         struct snd_card *card;
  49         struct snd_pcm_substream *psubs;
  50         struct snd_pcm_substream *csubs;
  51         struct snd_info_entry *proc;
  52
  53         spinlock_t lock;
  54         spinlock_t mixer_lock;
  55 };
  56
  57 #define MAX_PCM_DEVICES     1
  58 #define MAX_PCM_SUBSTREAMS  4
  59 #define MAX_MIDI_DEVICES    0
  60
  61 #define HARMONY_SIZE       64
  62
  63 #define BUF_SIZE     PAGE_SIZE
  64 #define MAX_BUFS     16
  65 #define MAX_BUF_SIZE (MAX_BUFS * BUF_SIZE)
  66
  67 #define PLAYBACK_BUFS    MAX_BUFS
  68 #define RECORD_BUFS      MAX_BUFS
  69 #define GRAVEYARD_BUFS   1
  70 #define GRAVEYARD_BUFSZ  (GRAVEYARD_BUFS*BUF_SIZE)
  71 #define SILENCE_BUFS     1
  72 #define SILENCE_BUFSZ    (SILENCE_BUFS*BUF_SIZE)
  73
  74 #define HARMONY_ID       0x000
  75 #define HARMONY_RESET    0x004
  76 #define HARMONY_CNTL     0x008
  77 #define HARMONY_GAINCTL  0x00c
  78 #define HARMONY_PNXTADD  0x010
  79 #define HARMONY_PCURADD  0x014
  80 #define HARMONY_RNXTADD  0x018
  81 #define HARMONY_RCURADD  0x01c
  82 #define HARMONY_DSTATUS  0x020
  83 #define HARMONY_OV       0x024
  84 #define HARMONY_PIO      0x028
  85 #define HARMONY_DIAG     0x03c
  86
  87 #define HARMONY_CNTL_C          0x80000000
  88 #define HARMONY_CNTL_ST         0x00000020
  89 #define HARMONY_CNTL_44100      0x00000015      /* HARMONY_SR_44KHZ */
  90 #define HARMONY_CNTL_8000       0x00000008      /* HARMONY_SR_8KHZ */
  91
  92 #define HARMONY_DSTATUS_ID      0x00000000 /* interrupts off */
  93 #define HARMONY_DSTATUS_PN      0x00000200 /* playback fill */
  94 #define HARMONY_DSTATUS_RN      0x00000002 /* record fill */
  95 #define HARMONY_DSTATUS_IE      0x80000000 /* interrupts on */
  96
  97 #define HARMONY_DF_16BIT_LINEAR 0x00000000
  98 #define HARMONY_DF_8BIT_ULAW    0x00000001
  99 #define HARMONY_DF_8BIT_ALAW    0x00000002
 100
 101 #define HARMONY_SS_MONO         0x00000000
 102 #define HARMONY_SS_STEREO       0x00000001
 103
 104 #define HARMONY_GAIN_SILENCE    0x01F00FFF
 105 #define HARMONY_GAIN_DEFAULT    0x01F00FFF
 106
 107 #define HARMONY_GAIN_HE_SHIFT   27 /* headphones enabled */
 108 #define HARMONY_GAIN_HE_MASK    (1 << HARMONY_GAIN_HE_SHIFT)
 109 #define HARMONY_GAIN_LE_SHIFT   26 /* line-out enabled */
 110 #define HARMONY_GAIN_LE_MASK    (1 << HARMONY_GAIN_LE_SHIFT)
 111 #define HARMONY_GAIN_SE_SHIFT   25 /* internal-speaker enabled */
 112 #define HARMONY_GAIN_SE_MASK    (1 << HARMONY_GAIN_SE_SHIFT)
 113 #define HARMONY_GAIN_IS_SHIFT   24 /* input select - 0 for line, 1 for mic */
 114 #define HARMONY_GAIN_IS_MASK    (1 << HARMONY_GAIN_IS_SHIFT)
 115
 116 /* monitor attenuation */
 117 #define HARMONY_GAIN_MA         0x0f
 118 #define HARMONY_GAIN_MA_SHIFT   20
 119 #define HARMONY_GAIN_MA_MASK    (HARMONY_GAIN_MA << HARMONY_GAIN_MA_SHIFT)
 120
 121 /* input gain */
 122 #define HARMONY_GAIN_IN         0x0f
 123 #define HARMONY_GAIN_LI_SHIFT   16
 124 #define HARMONY_GAIN_LI_MASK    (HARMONY_GAIN_IN << HARMONY_GAIN_LI_SHIFT)
 125 #define HARMONY_GAIN_RI_SHIFT   12
 126 #define HARMONY_GAIN_RI_MASK    (HARMONY_GAIN_IN << HARMONY_GAIN_RI_SHIFT)
 127
 128 /* output gain (master volume) */
 129 #define HARMONY_GAIN_OUT        0x3f
 130 #define HARMONY_GAIN_LO_SHIFT   6
 131 #define HARMONY_GAIN_LO_MASK    (HARMONY_GAIN_OUT << HARMONY_GAIN_LO_SHIFT)
 132 #define HARMONY_GAIN_RO_SHIFT   0
 133 #define HARMONY_GAIN_RO_MASK    (HARMONY_GAIN_OUT << HARMONY_GAIN_RO_SHIFT)
 134
 135 #define HARMONY_MAX_OUT (HARMONY_GAIN_RO_MASK >> HARMONY_GAIN_RO_SHIFT)
 136 #define HARMONY_MAX_IN  (HARMONY_GAIN_RI_MASK >> HARMONY_GAIN_RI_SHIFT)
 137 #define HARMONY_MAX_MON (HARMONY_GAIN_MA_MASK >> HARMONY_GAIN_MA_SHIFT)
 138
 139 #define HARMONY_SR_8KHZ         0x08
 140 #define HARMONY_SR_16KHZ        0x09
 141 #define HARMONY_SR_27KHZ        0x0A
 142 #define HARMONY_SR_32KHZ        0x0B
 143 #define HARMONY_SR_48KHZ        0x0E
 144 #define HARMONY_SR_9KHZ         0x0F
 145 #define HARMONY_SR_5KHZ         0x10
 146 #define HARMONY_SR_11KHZ        0x11
 147 #define HARMONY_SR_18KHZ        0x12
 148 #define HARMONY_SR_22KHZ        0x13
 149 #define HARMONY_SR_37KHZ        0x14
 150 #define HARMONY_SR_44KHZ        0x15
 151 #define HARMONY_SR_33KHZ        0x16
 152 #define HARMONY_SR_6KHZ         0x17
 153
 154 #endif /* __HARMONY_H__ */