sound/firewire/dice/dice-tcelectronic.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * dice-tc_electronic.c - a part of driver for DICE based devices
   4  *
   5  * Copyright (c) 2018 Takashi Sakamoto
   6  */
   7
   8 #include "dice.h"
   9
  10 struct dice_tc_spec {
  11         unsigned int tx_pcm_chs[MAX_STREAMS][SND_DICE_RATE_MODE_COUNT];
  12         unsigned int rx_pcm_chs[MAX_STREAMS][SND_DICE_RATE_MODE_COUNT];
  13         bool has_midi;
  14 };
  15
  16 static const struct dice_tc_spec desktop_konnekt6 = {
  17         .tx_pcm_chs = {{6, 6, 2}, {0, 0, 0} },
  18         .rx_pcm_chs = {{6, 6, 4}, {0, 0, 0} },
  19         .has_midi = false,
  20 };
  21
  22 static const struct dice_tc_spec impact_twin = {
  23         .tx_pcm_chs = {{14, 10, 6}, {0, 0, 0} },
  24         .rx_pcm_chs = {{14, 10, 6}, {0, 0, 0} },
  25         .has_midi = true,
  26 };
  27
  28 static const struct dice_tc_spec konnekt_8 = {
  29         .tx_pcm_chs = {{4, 4, 3}, {0, 0, 0} },
  30         .rx_pcm_chs = {{4, 4, 3}, {0, 0, 0} },
  31         .has_midi = true,
  32 };
  33
  34 static const struct dice_tc_spec konnekt_24d = {
  35         .tx_pcm_chs = {{16, 16, 6}, {0, 0, 0} },
  36         .rx_pcm_chs = {{16, 16, 6}, {0, 0, 0} },
  37         .has_midi = true,
  38 };
  39
  40 static const struct dice_tc_spec konnekt_live = {
  41         .tx_pcm_chs = {{16, 16, 16}, {0, 0, 0} },
  42         .rx_pcm_chs = {{16, 16, 16}, {0, 0, 0} },
  43         .has_midi = true,
  44 };
  45
  46 static const struct dice_tc_spec studio_konnekt_48 = {
  47         .tx_pcm_chs = {{16, 16, 8}, {16, 16, 7} },
  48         .rx_pcm_chs = {{16, 16, 8}, {14, 14, 7} },
  49         .has_midi = true,
  50 };
  51
  52 static const struct dice_tc_spec digital_konnekt_x32 = {
  53         .tx_pcm_chs = {{16, 16, 4}, {0, 0, 0} },
  54         .rx_pcm_chs = {{16, 16, 4}, {0, 0, 0} },
  55         .has_midi = false,
  56 };
  57
  58 int snd_dice_detect_tcelectronic_formats(struct snd_dice *dice)
  59 {
  60         static const struct {
  61                 u32 model_id;
  62                 const struct dice_tc_spec *spec;
  63         } *entry, entries[] = {
  64                 {0x00000020, &konnekt_24d},
  65                 {0x00000021, &konnekt_8},
  66                 {0x00000022, &studio_konnekt_48},
  67                 {0x00000023, &konnekt_live},
  68                 {0x00000024, &desktop_konnekt6},
  69                 {0x00000027, &impact_twin},
  70                 {0x00000030, &digital_konnekt_x32},
  71         };
  72         struct fw_csr_iterator it;
  73         int key, val, model_id;
  74         int i;
  75
  76         model_id = 0;
  77         fw_csr_iterator_init(&it, dice->unit->directory);
  78         while (fw_csr_iterator_next(&it, &key, &val)) {
  79                 if (key == CSR_MODEL) {
  80                         model_id = val;
  81                         break;
  82                 }
  83         }
  84
  85         for (i = 0; i < ARRAY_SIZE(entries); ++i) {
  86                 entry = entries + i;
  87                 if (entry->model_id == model_id)
  88                         break;
  89         }
  90         if (i == ARRAY_SIZE(entries))
  91                 return -ENODEV;
  92
  93         memcpy(dice->tx_pcm_chs, entry->spec->tx_pcm_chs,
  94                MAX_STREAMS * SND_DICE_RATE_MODE_COUNT * sizeof(unsigned int));
  95         memcpy(dice->rx_pcm_chs, entry->spec->rx_pcm_chs,
  96                MAX_STREAMS * SND_DICE_RATE_MODE_COUNT * sizeof(unsigned int));
  97
  98         if (entry->spec->has_midi) {
  99                 dice->tx_midi_ports[0] = 1;
 100                 dice->rx_midi_ports[0] = 1;
 101         }
 102
 103         return 0;
 104 }