minors.h 3.7 KB

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  1. /* SPDX-License-Identifier: GPL-2.0-or-later */
  2. #ifndef __SOUND_MINORS_H
  3. #define __SOUND_MINORS_H
  4. /*
  5. * MINOR numbers
  6. */
  7. #define SNDRV_OS_MINORS 256
  8. #define SNDRV_MINOR_DEVICES 32
  9. #define SNDRV_MINOR_CARD(minor) ((minor) >> 5)
  10. #define SNDRV_MINOR_DEVICE(minor) ((minor) & 0x001f)
  11. #define SNDRV_MINOR(card, dev) (((card) << 5) | (dev))
  12. /* these minors can still be used for autoloading devices (/dev/aload*) */
  13. #define SNDRV_MINOR_CONTROL 0 /* 0 */
  14. #define SNDRV_MINOR_GLOBAL 1 /* 1 */
  15. #define SNDRV_MINOR_SEQUENCER 1 /* SNDRV_MINOR_GLOBAL + 0 * 32 */
  16. #define SNDRV_MINOR_TIMER 33 /* SNDRV_MINOR_GLOBAL + 1 * 32 */
  17. #ifndef CONFIG_SND_DYNAMIC_MINORS
  18. #define SNDRV_MINOR_COMPRESS 2 /* 2 - 3 */
  19. #define SNDRV_MINOR_HWDEP 4 /* 4 - 7 */
  20. #define SNDRV_MINOR_RAWMIDI 8 /* 8 - 15 */
  21. #define SNDRV_MINOR_PCM_PLAYBACK 16 /* 16 - 23 */
  22. #define SNDRV_MINOR_PCM_CAPTURE 24 /* 24 - 31 */
  23. /* same as first respective minor number to make minor allocation easier */
  24. #define SNDRV_DEVICE_TYPE_CONTROL SNDRV_MINOR_CONTROL
  25. #define SNDRV_DEVICE_TYPE_HWDEP SNDRV_MINOR_HWDEP
  26. #define SNDRV_DEVICE_TYPE_RAWMIDI SNDRV_MINOR_RAWMIDI
  27. #define SNDRV_DEVICE_TYPE_PCM_PLAYBACK SNDRV_MINOR_PCM_PLAYBACK
  28. #define SNDRV_DEVICE_TYPE_PCM_CAPTURE SNDRV_MINOR_PCM_CAPTURE
  29. #define SNDRV_DEVICE_TYPE_SEQUENCER SNDRV_MINOR_SEQUENCER
  30. #define SNDRV_DEVICE_TYPE_TIMER SNDRV_MINOR_TIMER
  31. #define SNDRV_DEVICE_TYPE_COMPRESS SNDRV_MINOR_COMPRESS
  32. #else /* CONFIG_SND_DYNAMIC_MINORS */
  33. enum {
  34. SNDRV_DEVICE_TYPE_CONTROL,
  35. SNDRV_DEVICE_TYPE_SEQUENCER,
  36. SNDRV_DEVICE_TYPE_TIMER,
  37. SNDRV_DEVICE_TYPE_HWDEP,
  38. SNDRV_DEVICE_TYPE_RAWMIDI,
  39. SNDRV_DEVICE_TYPE_PCM_PLAYBACK,
  40. SNDRV_DEVICE_TYPE_PCM_CAPTURE,
  41. SNDRV_DEVICE_TYPE_COMPRESS,
  42. };
  43. #endif /* CONFIG_SND_DYNAMIC_MINORS */
  44. #define SNDRV_MINOR_HWDEPS 4
  45. #define SNDRV_MINOR_RAWMIDIS 8
  46. #define SNDRV_MINOR_PCMS 8
  47. #ifdef CONFIG_SND_OSSEMUL
  48. #define SNDRV_MINOR_OSS_DEVICES 16
  49. #define SNDRV_MINOR_OSS_CARD(minor) ((minor) >> 4)
  50. #define SNDRV_MINOR_OSS_DEVICE(minor) ((minor) & 0x000f)
  51. #define SNDRV_MINOR_OSS(card, dev) (((card) << 4) | (dev))
  52. #define SNDRV_MINOR_OSS_MIXER 0 /* /dev/mixer - OSS 3.XX compatible */
  53. #define SNDRV_MINOR_OSS_SEQUENCER 1 /* /dev/sequencer - OSS 3.XX compatible */
  54. #define SNDRV_MINOR_OSS_MIDI 2 /* /dev/midi - native midi interface - OSS 3.XX compatible - UART */
  55. #define SNDRV_MINOR_OSS_PCM 3 /* alias */
  56. #define SNDRV_MINOR_OSS_PCM_8 3 /* /dev/dsp - 8bit PCM - OSS 3.XX compatible */
  57. #define SNDRV_MINOR_OSS_AUDIO 4 /* /dev/audio - SunSparc compatible */
  58. #define SNDRV_MINOR_OSS_PCM_16 5 /* /dev/dsp16 - 16bit PCM - OSS 3.XX compatible */
  59. #define SNDRV_MINOR_OSS_SNDSTAT 6 /* /dev/sndstat - for compatibility with OSS */
  60. #define SNDRV_MINOR_OSS_RESERVED7 7 /* reserved for future use */
  61. #define SNDRV_MINOR_OSS_MUSIC 8 /* /dev/music - OSS 3.XX compatible */
  62. #define SNDRV_MINOR_OSS_DMMIDI 9 /* /dev/dmmidi0 - this device can have another minor # with OSS */
  63. #define SNDRV_MINOR_OSS_DMFM 10 /* /dev/dmfm0 - this device can have another minor # with OSS */
  64. #define SNDRV_MINOR_OSS_MIXER1 11 /* alternate mixer */
  65. #define SNDRV_MINOR_OSS_PCM1 12 /* alternate PCM (GF-A-1) */
  66. #define SNDRV_MINOR_OSS_MIDI1 13 /* alternate midi - SYNTH */
  67. #define SNDRV_MINOR_OSS_DMMIDI1 14 /* alternate dmmidi - SYNTH */
  68. #define SNDRV_MINOR_OSS_RESERVED15 15 /* reserved for future use */
  69. #define SNDRV_OSS_DEVICE_TYPE_MIXER 0
  70. #define SNDRV_OSS_DEVICE_TYPE_SEQUENCER 1
  71. #define SNDRV_OSS_DEVICE_TYPE_PCM 2
  72. #define SNDRV_OSS_DEVICE_TYPE_MIDI 3
  73. #define SNDRV_OSS_DEVICE_TYPE_DMFM 4
  74. #define SNDRV_OSS_DEVICE_TYPE_SNDSTAT 5
  75. #define SNDRV_OSS_DEVICE_TYPE_MUSIC 6
  76. #define MODULE_ALIAS_SNDRV_MINOR(type) \
  77. MODULE_ALIAS("sound-service-?-" __stringify(type))
  78. #endif
  79. #endif /* __SOUND_MINORS_H */