LXR linux/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
  10struct 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
  16static 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
  22static 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
  28static 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
  34static 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
  40static const struct dice_tc_spec konnekt_live = {
  41        .tx_pcm_chs = {{16, 16, 6}, {0, 0, 0} },
  42        .rx_pcm_chs = {{16, 16, 6}, {0, 0, 0} },
  43        .has_midi = true,
  44};
  45
  46static 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
  52static 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
  58int 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}
 105