dice-mytek.c 1.3 KB

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  1. // SPDX-License-Identifier: GPL-2.0
  2. /*
  3. * dice-mytek.c - a part of driver for DICE based devices
  4. *
  5. * Copyright (c) 2018 Melvin Vermeeren
  6. */
  7. #include "dice.h"
  8. struct dice_mytek_spec {
  9. unsigned int tx_pcm_chs[MAX_STREAMS][SND_DICE_RATE_MODE_COUNT];
  10. unsigned int rx_pcm_chs[MAX_STREAMS][SND_DICE_RATE_MODE_COUNT];
  11. };
  12. static const struct dice_mytek_spec stereo_192_dsd_dac = {
  13. /* AES, TOSLINK, SPDIF, ADAT inputs on device */
  14. .tx_pcm_chs = {{8, 8, 8}, {0, 0, 0} },
  15. /* PCM 44.1-192, native DSD64/DSD128 to device */
  16. .rx_pcm_chs = {{4, 4, 4}, {0, 0, 0} }
  17. };
  18. /*
  19. * Mytek has a few other firewire-capable devices, though newer models appear
  20. * to lack the port more often than not. As I don't have access to any of them
  21. * they are missing here. An example is the Mytek 8x192 ADDA, which is DICE.
  22. */
  23. int snd_dice_detect_mytek_formats(struct snd_dice *dice)
  24. {
  25. int i;
  26. const struct dice_mytek_spec *dev;
  27. dev = &stereo_192_dsd_dac;
  28. memcpy(dice->tx_pcm_chs, dev->tx_pcm_chs,
  29. MAX_STREAMS * SND_DICE_RATE_MODE_COUNT * sizeof(unsigned int));
  30. memcpy(dice->rx_pcm_chs, dev->rx_pcm_chs,
  31. MAX_STREAMS * SND_DICE_RATE_MODE_COUNT * sizeof(unsigned int));
  32. for (i = 0; i < MAX_STREAMS; ++i) {
  33. dice->tx_midi_ports[i] = 0;
  34. dice->rx_midi_ports[i] = 0;
  35. }
  36. return 0;
  37. }