root/sound/parisc/harmony.h

INCLUDED FROM

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /* Hewlett-Packard Harmony audio driver
   3  * Copyright (C) 2004, Kyle McMartin <kyle@parisc-linux.org>
   4  */
   5 
   6 #ifndef __HARMONY_H__
   7 #define __HARMONY_H__
   8 
   9 struct harmony_buffer {
  10         unsigned long addr;
  11         int buf;
  12         int count;
  13         int size;
  14         int coherent;
  15 };
  16 
  17 struct snd_harmony {
  18         int irq;
  19 
  20         unsigned long hpa; /* hard physical address */
  21         void __iomem *iobase; /* remapped io address */
  22 
  23         struct parisc_device *dev;
  24 
  25         struct {
  26                 u32 gain;
  27                 u32 rate;
  28                 u32 format;
  29                 u32 stereo;
  30                 int playing;
  31                 int capturing;
  32         } st;
  33 
  34         struct snd_dma_device dma; /* playback/capture */
  35         struct harmony_buffer pbuf;
  36         struct harmony_buffer cbuf;
  37 
  38         struct snd_dma_buffer gdma; /* graveyard */
  39         struct snd_dma_buffer sdma; /* silence */
  40 
  41         struct {
  42                 unsigned long play_intr;
  43                 unsigned long rec_intr;
  44                 unsigned long graveyard_intr;
  45                 unsigned long silence_intr;
  46         } stats;
  47 
  48         struct snd_pcm *pcm;
  49         struct snd_card *card;
  50         struct snd_pcm_substream *psubs;
  51         struct snd_pcm_substream *csubs;
  52         struct snd_info_entry *proc;
  53 
  54         spinlock_t lock;
  55         spinlock_t mixer_lock;
  56 };
  57 
  58 #define MAX_PCM_DEVICES     1
  59 #define MAX_PCM_SUBSTREAMS  4
  60 #define MAX_MIDI_DEVICES    0
  61 
  62 #define HARMONY_SIZE       64
  63 
  64 #define BUF_SIZE     PAGE_SIZE
  65 #define MAX_BUFS     16
  66 #define MAX_BUF_SIZE (MAX_BUFS * BUF_SIZE)
  67 
  68 #define PLAYBACK_BUFS    MAX_BUFS
  69 #define RECORD_BUFS      MAX_BUFS
  70 #define GRAVEYARD_BUFS   1
  71 #define GRAVEYARD_BUFSZ  (GRAVEYARD_BUFS*BUF_SIZE)
  72 #define SILENCE_BUFS     1
  73 #define SILENCE_BUFSZ    (SILENCE_BUFS*BUF_SIZE)
  74 
  75 #define HARMONY_ID       0x000
  76 #define HARMONY_RESET    0x004
  77 #define HARMONY_CNTL     0x008
  78 #define HARMONY_GAINCTL  0x00c
  79 #define HARMONY_PNXTADD  0x010
  80 #define HARMONY_PCURADD  0x014
  81 #define HARMONY_RNXTADD  0x018
  82 #define HARMONY_RCURADD  0x01c
  83 #define HARMONY_DSTATUS  0x020
  84 #define HARMONY_OV       0x024
  85 #define HARMONY_PIO      0x028
  86 #define HARMONY_DIAG     0x03c
  87 
  88 #define HARMONY_CNTL_C          0x80000000
  89 #define HARMONY_CNTL_ST         0x00000020
  90 #define HARMONY_CNTL_44100      0x00000015      /* HARMONY_SR_44KHZ */
  91 #define HARMONY_CNTL_8000       0x00000008      /* HARMONY_SR_8KHZ */
  92 
  93 #define HARMONY_DSTATUS_ID      0x00000000 /* interrupts off */
  94 #define HARMONY_DSTATUS_PN      0x00000200 /* playback fill */
  95 #define HARMONY_DSTATUS_RN      0x00000002 /* record fill */
  96 #define HARMONY_DSTATUS_IE      0x80000000 /* interrupts on */
  97 
  98 #define HARMONY_DF_16BIT_LINEAR 0x00000000
  99 #define HARMONY_DF_8BIT_ULAW    0x00000001
 100 #define HARMONY_DF_8BIT_ALAW    0x00000002
 101 
 102 #define HARMONY_SS_MONO         0x00000000
 103 #define HARMONY_SS_STEREO       0x00000001
 104 
 105 #define HARMONY_GAIN_SILENCE    0x01F00FFF
 106 #define HARMONY_GAIN_DEFAULT    0x01F00FFF
 107 
 108 #define HARMONY_GAIN_HE_SHIFT   27 /* headphones enabled */
 109 #define HARMONY_GAIN_HE_MASK    (1 << HARMONY_GAIN_HE_SHIFT)
 110 #define HARMONY_GAIN_LE_SHIFT   26 /* line-out enabled */
 111 #define HARMONY_GAIN_LE_MASK    (1 << HARMONY_GAIN_LE_SHIFT)
 112 #define HARMONY_GAIN_SE_SHIFT   25 /* internal-speaker enabled */
 113 #define HARMONY_GAIN_SE_MASK    (1 << HARMONY_GAIN_SE_SHIFT)
 114 #define HARMONY_GAIN_IS_SHIFT   24 /* input select - 0 for line, 1 for mic */
 115 #define HARMONY_GAIN_IS_MASK    (1 << HARMONY_GAIN_IS_SHIFT)
 116 
 117 /* monitor attenuation */
 118 #define HARMONY_GAIN_MA         0x0f
 119 #define HARMONY_GAIN_MA_SHIFT   20
 120 #define HARMONY_GAIN_MA_MASK    (HARMONY_GAIN_MA << HARMONY_GAIN_MA_SHIFT)
 121 
 122 /* input gain */
 123 #define HARMONY_GAIN_IN         0x0f
 124 #define HARMONY_GAIN_LI_SHIFT   16
 125 #define HARMONY_GAIN_LI_MASK    (HARMONY_GAIN_IN << HARMONY_GAIN_LI_SHIFT)
 126 #define HARMONY_GAIN_RI_SHIFT   12
 127 #define HARMONY_GAIN_RI_MASK    (HARMONY_GAIN_IN << HARMONY_GAIN_RI_SHIFT)
 128 
 129 /* output gain (master volume) */
 130 #define HARMONY_GAIN_OUT        0x3f
 131 #define HARMONY_GAIN_LO_SHIFT   6
 132 #define HARMONY_GAIN_LO_MASK    (HARMONY_GAIN_OUT << HARMONY_GAIN_LO_SHIFT)
 133 #define HARMONY_GAIN_RO_SHIFT   0
 134 #define HARMONY_GAIN_RO_MASK    (HARMONY_GAIN_OUT << HARMONY_GAIN_RO_SHIFT)
 135 
 136 #define HARMONY_MAX_OUT (HARMONY_GAIN_RO_MASK >> HARMONY_GAIN_RO_SHIFT)
 137 #define HARMONY_MAX_IN  (HARMONY_GAIN_RI_MASK >> HARMONY_GAIN_RI_SHIFT)
 138 #define HARMONY_MAX_MON (HARMONY_GAIN_MA_MASK >> HARMONY_GAIN_MA_SHIFT)
 139 
 140 #define HARMONY_SR_8KHZ         0x08
 141 #define HARMONY_SR_16KHZ        0x09
 142 #define HARMONY_SR_27KHZ        0x0A
 143 #define HARMONY_SR_32KHZ        0x0B
 144 #define HARMONY_SR_48KHZ        0x0E
 145 #define HARMONY_SR_9KHZ         0x0F
 146 #define HARMONY_SR_5KHZ         0x10
 147 #define HARMONY_SR_11KHZ        0x11
 148 #define HARMONY_SR_18KHZ        0x12
 149 #define HARMONY_SR_22KHZ        0x13
 150 #define HARMONY_SR_37KHZ        0x14
 151 #define HARMONY_SR_44KHZ        0x15
 152 #define HARMONY_SR_33KHZ        0x16
 153 #define HARMONY_SR_6KHZ         0x17
 154 
 155 #endif /* __HARMONY_H__ */