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-rw-r--r--sound/usb/caiaq/Makefile5
-rw-r--r--sound/usb/caiaq/audio.c882
-rw-r--r--sound/usb/caiaq/audio.h8
-rw-r--r--sound/usb/caiaq/control.c643
-rw-r--r--sound/usb/caiaq/control.h7
-rw-r--r--sound/usb/caiaq/device.c571
-rw-r--r--sound/usb/caiaq/device.h138
-rw-r--r--sound/usb/caiaq/input.c843
-rw-r--r--sound/usb/caiaq/input.h9
-rw-r--r--sound/usb/caiaq/midi.c162
-rw-r--r--sound/usb/caiaq/midi.h10
11 files changed, 3278 insertions, 0 deletions
diff --git a/sound/usb/caiaq/Makefile b/sound/usb/caiaq/Makefile
new file mode 100644
index 000000000..9a99c17a2
--- /dev/null
+++ b/sound/usb/caiaq/Makefile
@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+snd-usb-caiaq-y := device.o audio.o midi.o control.o
+snd-usb-caiaq-$(CONFIG_SND_USB_CAIAQ_INPUT) += input.o
+
+obj-$(CONFIG_SND_USB_CAIAQ) += snd-usb-caiaq.o
diff --git a/sound/usb/caiaq/audio.c b/sound/usb/caiaq/audio.c
new file mode 100644
index 000000000..3b6bb2cbe
--- /dev/null
+++ b/sound/usb/caiaq/audio.c
@@ -0,0 +1,882 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) 2006-2008 Daniel Mack, Karsten Wiese
+*/
+
+#include <linux/device.h>
+#include <linux/spinlock.h>
+#include <linux/slab.h>
+#include <linux/init.h>
+#include <linux/usb.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+
+#include "device.h"
+#include "audio.h"
+
+#define N_URBS 32
+#define CLOCK_DRIFT_TOLERANCE 5
+#define FRAMES_PER_URB 8
+#define BYTES_PER_FRAME 512
+#define CHANNELS_PER_STREAM 2
+#define BYTES_PER_SAMPLE 3
+#define BYTES_PER_SAMPLE_USB 4
+#define MAX_BUFFER_SIZE (128*1024)
+#define MAX_ENDPOINT_SIZE 512
+
+#define ENDPOINT_CAPTURE 2
+#define ENDPOINT_PLAYBACK 6
+
+#define MAKE_CHECKBYTE(cdev,stream,i) \
+ (stream << 1) | (~(i / (cdev->n_streams * BYTES_PER_SAMPLE_USB)) & 1)
+
+static const struct snd_pcm_hardware snd_usb_caiaq_pcm_hardware = {
+ .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_BLOCK_TRANSFER),
+ .formats = SNDRV_PCM_FMTBIT_S24_3BE,
+ .rates = (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
+ SNDRV_PCM_RATE_96000),
+ .rate_min = 44100,
+ .rate_max = 0, /* will overwrite later */
+ .channels_min = CHANNELS_PER_STREAM,
+ .channels_max = CHANNELS_PER_STREAM,
+ .buffer_bytes_max = MAX_BUFFER_SIZE,
+ .period_bytes_min = 128,
+ .period_bytes_max = MAX_BUFFER_SIZE,
+ .periods_min = 1,
+ .periods_max = 1024,
+};
+
+static void
+activate_substream(struct snd_usb_caiaqdev *cdev,
+ struct snd_pcm_substream *sub)
+{
+ spin_lock(&cdev->spinlock);
+
+ if (sub->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ cdev->sub_playback[sub->number] = sub;
+ else
+ cdev->sub_capture[sub->number] = sub;
+
+ spin_unlock(&cdev->spinlock);
+}
+
+static void
+deactivate_substream(struct snd_usb_caiaqdev *cdev,
+ struct snd_pcm_substream *sub)
+{
+ unsigned long flags;
+ spin_lock_irqsave(&cdev->spinlock, flags);
+
+ if (sub->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ cdev->sub_playback[sub->number] = NULL;
+ else
+ cdev->sub_capture[sub->number] = NULL;
+
+ spin_unlock_irqrestore(&cdev->spinlock, flags);
+}
+
+static int
+all_substreams_zero(struct snd_pcm_substream **subs)
+{
+ int i;
+ for (i = 0; i < MAX_STREAMS; i++)
+ if (subs[i] != NULL)
+ return 0;
+ return 1;
+}
+
+static int stream_start(struct snd_usb_caiaqdev *cdev)
+{
+ int i, ret;
+ struct device *dev = caiaqdev_to_dev(cdev);
+
+ dev_dbg(dev, "%s(%p)\n", __func__, cdev);
+
+ if (cdev->streaming)
+ return -EINVAL;
+
+ memset(cdev->sub_playback, 0, sizeof(cdev->sub_playback));
+ memset(cdev->sub_capture, 0, sizeof(cdev->sub_capture));
+ cdev->input_panic = 0;
+ cdev->output_panic = 0;
+ cdev->first_packet = 4;
+ cdev->streaming = 1;
+ cdev->warned = 0;
+
+ for (i = 0; i < N_URBS; i++) {
+ ret = usb_submit_urb(cdev->data_urbs_in[i], GFP_ATOMIC);
+ if (ret) {
+ dev_err(dev, "unable to trigger read #%d! (ret %d)\n",
+ i, ret);
+ cdev->streaming = 0;
+ return -EPIPE;
+ }
+ }
+
+ return 0;
+}
+
+static void stream_stop(struct snd_usb_caiaqdev *cdev)
+{
+ int i;
+ struct device *dev = caiaqdev_to_dev(cdev);
+
+ dev_dbg(dev, "%s(%p)\n", __func__, cdev);
+ if (!cdev->streaming)
+ return;
+
+ cdev->streaming = 0;
+
+ for (i = 0; i < N_URBS; i++) {
+ usb_kill_urb(cdev->data_urbs_in[i]);
+
+ if (test_bit(i, &cdev->outurb_active_mask))
+ usb_kill_urb(cdev->data_urbs_out[i]);
+ }
+
+ cdev->outurb_active_mask = 0;
+}
+
+static int snd_usb_caiaq_substream_open(struct snd_pcm_substream *substream)
+{
+ struct snd_usb_caiaqdev *cdev = snd_pcm_substream_chip(substream);
+ struct device *dev = caiaqdev_to_dev(cdev);
+
+ dev_dbg(dev, "%s(%p)\n", __func__, substream);
+ substream->runtime->hw = cdev->pcm_info;
+ snd_pcm_limit_hw_rates(substream->runtime);
+
+ return 0;
+}
+
+static int snd_usb_caiaq_substream_close(struct snd_pcm_substream *substream)
+{
+ struct snd_usb_caiaqdev *cdev = snd_pcm_substream_chip(substream);
+ struct device *dev = caiaqdev_to_dev(cdev);
+
+ dev_dbg(dev, "%s(%p)\n", __func__, substream);
+ if (all_substreams_zero(cdev->sub_playback) &&
+ all_substreams_zero(cdev->sub_capture)) {
+ /* when the last client has stopped streaming,
+ * all sample rates are allowed again */
+ stream_stop(cdev);
+ cdev->pcm_info.rates = cdev->samplerates;
+ }
+
+ return 0;
+}
+
+static int snd_usb_caiaq_pcm_hw_free(struct snd_pcm_substream *sub)
+{
+ struct snd_usb_caiaqdev *cdev = snd_pcm_substream_chip(sub);
+ deactivate_substream(cdev, sub);
+ return 0;
+}
+
+/* this should probably go upstream */
+#if SNDRV_PCM_RATE_5512 != 1 << 0 || SNDRV_PCM_RATE_192000 != 1 << 12
+#error "Change this table"
+#endif
+
+static const unsigned int rates[] = { 5512, 8000, 11025, 16000, 22050, 32000, 44100,
+ 48000, 64000, 88200, 96000, 176400, 192000 };
+
+static int snd_usb_caiaq_pcm_prepare(struct snd_pcm_substream *substream)
+{
+ int bytes_per_sample, bpp, ret, i;
+ int index = substream->number;
+ struct snd_usb_caiaqdev *cdev = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct device *dev = caiaqdev_to_dev(cdev);
+
+ dev_dbg(dev, "%s(%p)\n", __func__, substream);
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ int out_pos;
+
+ switch (cdev->spec.data_alignment) {
+ case 0:
+ case 2:
+ out_pos = BYTES_PER_SAMPLE + 1;
+ break;
+ case 3:
+ default:
+ out_pos = 0;
+ break;
+ }
+
+ cdev->period_out_count[index] = out_pos;
+ cdev->audio_out_buf_pos[index] = out_pos;
+ } else {
+ int in_pos;
+
+ switch (cdev->spec.data_alignment) {
+ case 0:
+ in_pos = BYTES_PER_SAMPLE + 2;
+ break;
+ case 2:
+ in_pos = BYTES_PER_SAMPLE;
+ break;
+ case 3:
+ default:
+ in_pos = 0;
+ break;
+ }
+
+ cdev->period_in_count[index] = in_pos;
+ cdev->audio_in_buf_pos[index] = in_pos;
+ }
+
+ if (cdev->streaming)
+ return 0;
+
+ /* the first client that opens a stream defines the sample rate
+ * setting for all subsequent calls, until the last client closed. */
+ for (i=0; i < ARRAY_SIZE(rates); i++)
+ if (runtime->rate == rates[i])
+ cdev->pcm_info.rates = 1 << i;
+
+ snd_pcm_limit_hw_rates(runtime);
+
+ bytes_per_sample = BYTES_PER_SAMPLE;
+ if (cdev->spec.data_alignment >= 2)
+ bytes_per_sample++;
+
+ bpp = ((runtime->rate / 8000) + CLOCK_DRIFT_TOLERANCE)
+ * bytes_per_sample * CHANNELS_PER_STREAM * cdev->n_streams;
+
+ if (bpp > MAX_ENDPOINT_SIZE)
+ bpp = MAX_ENDPOINT_SIZE;
+
+ ret = snd_usb_caiaq_set_audio_params(cdev, runtime->rate,
+ runtime->sample_bits, bpp);
+ if (ret)
+ return ret;
+
+ ret = stream_start(cdev);
+ if (ret)
+ return ret;
+
+ cdev->output_running = 0;
+ wait_event_timeout(cdev->prepare_wait_queue, cdev->output_running, HZ);
+ if (!cdev->output_running) {
+ stream_stop(cdev);
+ return -EPIPE;
+ }
+
+ return 0;
+}
+
+static int snd_usb_caiaq_pcm_trigger(struct snd_pcm_substream *sub, int cmd)
+{
+ struct snd_usb_caiaqdev *cdev = snd_pcm_substream_chip(sub);
+ struct device *dev = caiaqdev_to_dev(cdev);
+
+ dev_dbg(dev, "%s(%p) cmd %d\n", __func__, sub, cmd);
+
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ activate_substream(cdev, sub);
+ break;
+ case SNDRV_PCM_TRIGGER_STOP:
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ deactivate_substream(cdev, sub);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static snd_pcm_uframes_t
+snd_usb_caiaq_pcm_pointer(struct snd_pcm_substream *sub)
+{
+ int index = sub->number;
+ struct snd_usb_caiaqdev *cdev = snd_pcm_substream_chip(sub);
+ snd_pcm_uframes_t ptr;
+
+ spin_lock(&cdev->spinlock);
+
+ if (cdev->input_panic || cdev->output_panic) {
+ ptr = SNDRV_PCM_POS_XRUN;
+ goto unlock;
+ }
+
+ if (sub->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ ptr = bytes_to_frames(sub->runtime,
+ cdev->audio_out_buf_pos[index]);
+ else
+ ptr = bytes_to_frames(sub->runtime,
+ cdev->audio_in_buf_pos[index]);
+
+unlock:
+ spin_unlock(&cdev->spinlock);
+ return ptr;
+}
+
+/* operators for both playback and capture */
+static const struct snd_pcm_ops snd_usb_caiaq_ops = {
+ .open = snd_usb_caiaq_substream_open,
+ .close = snd_usb_caiaq_substream_close,
+ .hw_free = snd_usb_caiaq_pcm_hw_free,
+ .prepare = snd_usb_caiaq_pcm_prepare,
+ .trigger = snd_usb_caiaq_pcm_trigger,
+ .pointer = snd_usb_caiaq_pcm_pointer,
+};
+
+static void check_for_elapsed_periods(struct snd_usb_caiaqdev *cdev,
+ struct snd_pcm_substream **subs)
+{
+ int stream, pb, *cnt;
+ struct snd_pcm_substream *sub;
+
+ for (stream = 0; stream < cdev->n_streams; stream++) {
+ sub = subs[stream];
+ if (!sub)
+ continue;
+
+ pb = snd_pcm_lib_period_bytes(sub);
+ cnt = (sub->stream == SNDRV_PCM_STREAM_PLAYBACK) ?
+ &cdev->period_out_count[stream] :
+ &cdev->period_in_count[stream];
+
+ if (*cnt >= pb) {
+ snd_pcm_period_elapsed(sub);
+ *cnt %= pb;
+ }
+ }
+}
+
+static void read_in_urb_mode0(struct snd_usb_caiaqdev *cdev,
+ const struct urb *urb,
+ const struct usb_iso_packet_descriptor *iso)
+{
+ unsigned char *usb_buf = urb->transfer_buffer + iso->offset;
+ struct snd_pcm_substream *sub;
+ int stream, i;
+
+ if (all_substreams_zero(cdev->sub_capture))
+ return;
+
+ for (i = 0; i < iso->actual_length;) {
+ for (stream = 0; stream < cdev->n_streams; stream++, i++) {
+ sub = cdev->sub_capture[stream];
+ if (sub) {
+ struct snd_pcm_runtime *rt = sub->runtime;
+ char *audio_buf = rt->dma_area;
+ int sz = frames_to_bytes(rt, rt->buffer_size);
+ audio_buf[cdev->audio_in_buf_pos[stream]++]
+ = usb_buf[i];
+ cdev->period_in_count[stream]++;
+ if (cdev->audio_in_buf_pos[stream] == sz)
+ cdev->audio_in_buf_pos[stream] = 0;
+ }
+ }
+ }
+}
+
+static void read_in_urb_mode2(struct snd_usb_caiaqdev *cdev,
+ const struct urb *urb,
+ const struct usb_iso_packet_descriptor *iso)
+{
+ unsigned char *usb_buf = urb->transfer_buffer + iso->offset;
+ unsigned char check_byte;
+ struct snd_pcm_substream *sub;
+ int stream, i;
+
+ for (i = 0; i < iso->actual_length;) {
+ if (i % (cdev->n_streams * BYTES_PER_SAMPLE_USB) == 0) {
+ for (stream = 0;
+ stream < cdev->n_streams;
+ stream++, i++) {
+ if (cdev->first_packet)
+ continue;
+
+ check_byte = MAKE_CHECKBYTE(cdev, stream, i);
+
+ if ((usb_buf[i] & 0x3f) != check_byte)
+ cdev->input_panic = 1;
+
+ if (usb_buf[i] & 0x80)
+ cdev->output_panic = 1;
+ }
+ }
+ cdev->first_packet = 0;
+
+ for (stream = 0; stream < cdev->n_streams; stream++, i++) {
+ sub = cdev->sub_capture[stream];
+ if (cdev->input_panic)
+ usb_buf[i] = 0;
+
+ if (sub) {
+ struct snd_pcm_runtime *rt = sub->runtime;
+ char *audio_buf = rt->dma_area;
+ int sz = frames_to_bytes(rt, rt->buffer_size);
+ audio_buf[cdev->audio_in_buf_pos[stream]++] =
+ usb_buf[i];
+ cdev->period_in_count[stream]++;
+ if (cdev->audio_in_buf_pos[stream] == sz)
+ cdev->audio_in_buf_pos[stream] = 0;
+ }
+ }
+ }
+}
+
+static void read_in_urb_mode3(struct snd_usb_caiaqdev *cdev,
+ const struct urb *urb,
+ const struct usb_iso_packet_descriptor *iso)
+{
+ unsigned char *usb_buf = urb->transfer_buffer + iso->offset;
+ struct device *dev = caiaqdev_to_dev(cdev);
+ int stream, i;
+
+ /* paranoia check */
+ if (iso->actual_length % (BYTES_PER_SAMPLE_USB * CHANNELS_PER_STREAM))
+ return;
+
+ for (i = 0; i < iso->actual_length;) {
+ for (stream = 0; stream < cdev->n_streams; stream++) {
+ struct snd_pcm_substream *sub = cdev->sub_capture[stream];
+ char *audio_buf = NULL;
+ int c, n, sz = 0;
+
+ if (sub && !cdev->input_panic) {
+ struct snd_pcm_runtime *rt = sub->runtime;
+ audio_buf = rt->dma_area;
+ sz = frames_to_bytes(rt, rt->buffer_size);
+ }
+
+ for (c = 0; c < CHANNELS_PER_STREAM; c++) {
+ /* 3 audio data bytes, followed by 1 check byte */
+ if (audio_buf) {
+ for (n = 0; n < BYTES_PER_SAMPLE; n++) {
+ audio_buf[cdev->audio_in_buf_pos[stream]++] = usb_buf[i+n];
+
+ if (cdev->audio_in_buf_pos[stream] == sz)
+ cdev->audio_in_buf_pos[stream] = 0;
+ }
+
+ cdev->period_in_count[stream] += BYTES_PER_SAMPLE;
+ }
+
+ i += BYTES_PER_SAMPLE;
+
+ if (usb_buf[i] != ((stream << 1) | c) &&
+ !cdev->first_packet) {
+ if (!cdev->input_panic)
+ dev_warn(dev, " EXPECTED: %02x got %02x, c %d, stream %d, i %d\n",
+ ((stream << 1) | c), usb_buf[i], c, stream, i);
+ cdev->input_panic = 1;
+ }
+
+ i++;
+ }
+ }
+ }
+
+ if (cdev->first_packet > 0)
+ cdev->first_packet--;
+}
+
+static void read_in_urb(struct snd_usb_caiaqdev *cdev,
+ const struct urb *urb,
+ const struct usb_iso_packet_descriptor *iso)
+{
+ struct device *dev = caiaqdev_to_dev(cdev);
+
+ if (!cdev->streaming)
+ return;
+
+ if (iso->actual_length < cdev->bpp)
+ return;
+
+ switch (cdev->spec.data_alignment) {
+ case 0:
+ read_in_urb_mode0(cdev, urb, iso);
+ break;
+ case 2:
+ read_in_urb_mode2(cdev, urb, iso);
+ break;
+ case 3:
+ read_in_urb_mode3(cdev, urb, iso);
+ break;
+ }
+
+ if ((cdev->input_panic || cdev->output_panic) && !cdev->warned) {
+ dev_warn(dev, "streaming error detected %s %s\n",
+ cdev->input_panic ? "(input)" : "",
+ cdev->output_panic ? "(output)" : "");
+ cdev->warned = 1;
+ }
+}
+
+static void fill_out_urb_mode_0(struct snd_usb_caiaqdev *cdev,
+ struct urb *urb,
+ const struct usb_iso_packet_descriptor *iso)
+{
+ unsigned char *usb_buf = urb->transfer_buffer + iso->offset;
+ struct snd_pcm_substream *sub;
+ int stream, i;
+
+ for (i = 0; i < iso->length;) {
+ for (stream = 0; stream < cdev->n_streams; stream++, i++) {
+ sub = cdev->sub_playback[stream];
+ if (sub) {
+ struct snd_pcm_runtime *rt = sub->runtime;
+ char *audio_buf = rt->dma_area;
+ int sz = frames_to_bytes(rt, rt->buffer_size);
+ usb_buf[i] =
+ audio_buf[cdev->audio_out_buf_pos[stream]];
+ cdev->period_out_count[stream]++;
+ cdev->audio_out_buf_pos[stream]++;
+ if (cdev->audio_out_buf_pos[stream] == sz)
+ cdev->audio_out_buf_pos[stream] = 0;
+ } else
+ usb_buf[i] = 0;
+ }
+
+ /* fill in the check bytes */
+ if (cdev->spec.data_alignment == 2 &&
+ i % (cdev->n_streams * BYTES_PER_SAMPLE_USB) ==
+ (cdev->n_streams * CHANNELS_PER_STREAM))
+ for (stream = 0; stream < cdev->n_streams; stream++, i++)
+ usb_buf[i] = MAKE_CHECKBYTE(cdev, stream, i);
+ }
+}
+
+static void fill_out_urb_mode_3(struct snd_usb_caiaqdev *cdev,
+ struct urb *urb,
+ const struct usb_iso_packet_descriptor *iso)
+{
+ unsigned char *usb_buf = urb->transfer_buffer + iso->offset;
+ int stream, i;
+
+ for (i = 0; i < iso->length;) {
+ for (stream = 0; stream < cdev->n_streams; stream++) {
+ struct snd_pcm_substream *sub = cdev->sub_playback[stream];
+ char *audio_buf = NULL;
+ int c, n, sz = 0;
+
+ if (sub) {
+ struct snd_pcm_runtime *rt = sub->runtime;
+ audio_buf = rt->dma_area;
+ sz = frames_to_bytes(rt, rt->buffer_size);
+ }
+
+ for (c = 0; c < CHANNELS_PER_STREAM; c++) {
+ for (n = 0; n < BYTES_PER_SAMPLE; n++) {
+ if (audio_buf) {
+ usb_buf[i+n] = audio_buf[cdev->audio_out_buf_pos[stream]++];
+
+ if (cdev->audio_out_buf_pos[stream] == sz)
+ cdev->audio_out_buf_pos[stream] = 0;
+ } else {
+ usb_buf[i+n] = 0;
+ }
+ }
+
+ if (audio_buf)
+ cdev->period_out_count[stream] += BYTES_PER_SAMPLE;
+
+ i += BYTES_PER_SAMPLE;
+
+ /* fill in the check byte pattern */
+ usb_buf[i++] = (stream << 1) | c;
+ }
+ }
+ }
+}
+
+static inline void fill_out_urb(struct snd_usb_caiaqdev *cdev,
+ struct urb *urb,
+ const struct usb_iso_packet_descriptor *iso)
+{
+ switch (cdev->spec.data_alignment) {
+ case 0:
+ case 2:
+ fill_out_urb_mode_0(cdev, urb, iso);
+ break;
+ case 3:
+ fill_out_urb_mode_3(cdev, urb, iso);
+ break;
+ }
+}
+
+static void read_completed(struct urb *urb)
+{
+ struct snd_usb_caiaq_cb_info *info = urb->context;
+ struct snd_usb_caiaqdev *cdev;
+ struct device *dev;
+ struct urb *out = NULL;
+ int i, frame, len, send_it = 0, outframe = 0;
+ unsigned long flags;
+ size_t offset = 0;
+
+ if (urb->status || !info)
+ return;
+
+ cdev = info->cdev;
+ dev = caiaqdev_to_dev(cdev);
+
+ if (!cdev->streaming)
+ return;
+
+ /* find an unused output urb that is unused */
+ for (i = 0; i < N_URBS; i++)
+ if (test_and_set_bit(i, &cdev->outurb_active_mask) == 0) {
+ out = cdev->data_urbs_out[i];
+ break;
+ }
+
+ if (!out) {
+ dev_err(dev, "Unable to find an output urb to use\n");
+ goto requeue;
+ }
+
+ /* read the recently received packet and send back one which has
+ * the same layout */
+ for (frame = 0; frame < FRAMES_PER_URB; frame++) {
+ if (urb->iso_frame_desc[frame].status)
+ continue;
+
+ len = urb->iso_frame_desc[outframe].actual_length;
+ out->iso_frame_desc[outframe].length = len;
+ out->iso_frame_desc[outframe].actual_length = 0;
+ out->iso_frame_desc[outframe].offset = offset;
+ offset += len;
+
+ if (len > 0) {
+ spin_lock_irqsave(&cdev->spinlock, flags);
+ fill_out_urb(cdev, out, &out->iso_frame_desc[outframe]);
+ read_in_urb(cdev, urb, &urb->iso_frame_desc[frame]);
+ spin_unlock_irqrestore(&cdev->spinlock, flags);
+ check_for_elapsed_periods(cdev, cdev->sub_playback);
+ check_for_elapsed_periods(cdev, cdev->sub_capture);
+ send_it = 1;
+ }
+
+ outframe++;
+ }
+
+ if (send_it) {
+ out->number_of_packets = outframe;
+ usb_submit_urb(out, GFP_ATOMIC);
+ } else {
+ struct snd_usb_caiaq_cb_info *oinfo = out->context;
+ clear_bit(oinfo->index, &cdev->outurb_active_mask);
+ }
+
+requeue:
+ /* re-submit inbound urb */
+ for (frame = 0; frame < FRAMES_PER_URB; frame++) {
+ urb->iso_frame_desc[frame].offset = BYTES_PER_FRAME * frame;
+ urb->iso_frame_desc[frame].length = BYTES_PER_FRAME;
+ urb->iso_frame_desc[frame].actual_length = 0;
+ }
+
+ urb->number_of_packets = FRAMES_PER_URB;
+ usb_submit_urb(urb, GFP_ATOMIC);
+}
+
+static void write_completed(struct urb *urb)
+{
+ struct snd_usb_caiaq_cb_info *info = urb->context;
+ struct snd_usb_caiaqdev *cdev = info->cdev;
+
+ if (!cdev->output_running) {
+ cdev->output_running = 1;
+ wake_up(&cdev->prepare_wait_queue);
+ }
+
+ clear_bit(info->index, &cdev->outurb_active_mask);
+}
+
+static struct urb **alloc_urbs(struct snd_usb_caiaqdev *cdev, int dir, int *ret)
+{
+ int i, frame;
+ struct urb **urbs;
+ struct usb_device *usb_dev = cdev->chip.dev;
+ unsigned int pipe;
+
+ pipe = (dir == SNDRV_PCM_STREAM_PLAYBACK) ?
+ usb_sndisocpipe(usb_dev, ENDPOINT_PLAYBACK) :
+ usb_rcvisocpipe(usb_dev, ENDPOINT_CAPTURE);
+
+ urbs = kmalloc_array(N_URBS, sizeof(*urbs), GFP_KERNEL);
+ if (!urbs) {
+ *ret = -ENOMEM;
+ return NULL;
+ }
+
+ for (i = 0; i < N_URBS; i++) {
+ urbs[i] = usb_alloc_urb(FRAMES_PER_URB, GFP_KERNEL);
+ if (!urbs[i]) {
+ *ret = -ENOMEM;
+ return urbs;
+ }
+
+ urbs[i]->transfer_buffer =
+ kmalloc_array(BYTES_PER_FRAME, FRAMES_PER_URB,
+ GFP_KERNEL);
+ if (!urbs[i]->transfer_buffer) {
+ *ret = -ENOMEM;
+ return urbs;
+ }
+
+ for (frame = 0; frame < FRAMES_PER_URB; frame++) {
+ struct usb_iso_packet_descriptor *iso =
+ &urbs[i]->iso_frame_desc[frame];
+
+ iso->offset = BYTES_PER_FRAME * frame;
+ iso->length = BYTES_PER_FRAME;
+ }
+
+ urbs[i]->dev = usb_dev;
+ urbs[i]->pipe = pipe;
+ urbs[i]->transfer_buffer_length = FRAMES_PER_URB
+ * BYTES_PER_FRAME;
+ urbs[i]->context = &cdev->data_cb_info[i];
+ urbs[i]->interval = 1;
+ urbs[i]->number_of_packets = FRAMES_PER_URB;
+ urbs[i]->complete = (dir == SNDRV_PCM_STREAM_CAPTURE) ?
+ read_completed : write_completed;
+ }
+
+ *ret = 0;
+ return urbs;
+}
+
+static void free_urbs(struct urb **urbs)
+{
+ int i;
+
+ if (!urbs)
+ return;
+
+ for (i = 0; i < N_URBS; i++) {
+ if (!urbs[i])
+ continue;
+
+ usb_kill_urb(urbs[i]);
+ kfree(urbs[i]->transfer_buffer);
+ usb_free_urb(urbs[i]);
+ }
+
+ kfree(urbs);
+}
+
+int snd_usb_caiaq_audio_init(struct snd_usb_caiaqdev *cdev)
+{
+ int i, ret;
+ struct device *dev = caiaqdev_to_dev(cdev);
+
+ cdev->n_audio_in = max(cdev->spec.num_analog_audio_in,
+ cdev->spec.num_digital_audio_in) /
+ CHANNELS_PER_STREAM;
+ cdev->n_audio_out = max(cdev->spec.num_analog_audio_out,
+ cdev->spec.num_digital_audio_out) /
+ CHANNELS_PER_STREAM;
+ cdev->n_streams = max(cdev->n_audio_in, cdev->n_audio_out);
+
+ dev_dbg(dev, "cdev->n_audio_in = %d\n", cdev->n_audio_in);
+ dev_dbg(dev, "cdev->n_audio_out = %d\n", cdev->n_audio_out);
+ dev_dbg(dev, "cdev->n_streams = %d\n", cdev->n_streams);
+
+ if (cdev->n_streams > MAX_STREAMS) {
+ dev_err(dev, "unable to initialize device, too many streams.\n");
+ return -EINVAL;
+ }
+
+ if (cdev->n_streams < 1) {
+ dev_err(dev, "bogus number of streams: %d\n", cdev->n_streams);
+ return -EINVAL;
+ }
+
+ ret = snd_pcm_new(cdev->chip.card, cdev->product_name, 0,
+ cdev->n_audio_out, cdev->n_audio_in, &cdev->pcm);
+
+ if (ret < 0) {
+ dev_err(dev, "snd_pcm_new() returned %d\n", ret);
+ return ret;
+ }
+
+ cdev->pcm->private_data = cdev;
+ strlcpy(cdev->pcm->name, cdev->product_name, sizeof(cdev->pcm->name));
+
+ memset(cdev->sub_playback, 0, sizeof(cdev->sub_playback));
+ memset(cdev->sub_capture, 0, sizeof(cdev->sub_capture));
+
+ memcpy(&cdev->pcm_info, &snd_usb_caiaq_pcm_hardware,
+ sizeof(snd_usb_caiaq_pcm_hardware));
+
+ /* setup samplerates */
+ cdev->samplerates = cdev->pcm_info.rates;
+ switch (cdev->chip.usb_id) {
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AK1):
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL3):
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_SESSIONIO):
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_GUITARRIGMOBILE):
+ cdev->samplerates |= SNDRV_PCM_RATE_192000;
+ fallthrough;
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO2DJ):
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO4DJ):
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO8DJ):
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORAUDIO2):
+ cdev->samplerates |= SNDRV_PCM_RATE_88200;
+ break;
+ }
+
+ snd_pcm_set_ops(cdev->pcm, SNDRV_PCM_STREAM_PLAYBACK,
+ &snd_usb_caiaq_ops);
+ snd_pcm_set_ops(cdev->pcm, SNDRV_PCM_STREAM_CAPTURE,
+ &snd_usb_caiaq_ops);
+ snd_pcm_set_managed_buffer_all(cdev->pcm, SNDRV_DMA_TYPE_VMALLOC,
+ NULL, 0, 0);
+
+ cdev->data_cb_info =
+ kmalloc_array(N_URBS, sizeof(struct snd_usb_caiaq_cb_info),
+ GFP_KERNEL);
+
+ if (!cdev->data_cb_info)
+ return -ENOMEM;
+
+ cdev->outurb_active_mask = 0;
+ BUILD_BUG_ON(N_URBS > (sizeof(cdev->outurb_active_mask) * 8));
+
+ for (i = 0; i < N_URBS; i++) {
+ cdev->data_cb_info[i].cdev = cdev;
+ cdev->data_cb_info[i].index = i;
+ }
+
+ cdev->data_urbs_in = alloc_urbs(cdev, SNDRV_PCM_STREAM_CAPTURE, &ret);
+ if (ret < 0) {
+ kfree(cdev->data_cb_info);
+ free_urbs(cdev->data_urbs_in);
+ return ret;
+ }
+
+ cdev->data_urbs_out = alloc_urbs(cdev, SNDRV_PCM_STREAM_PLAYBACK, &ret);
+ if (ret < 0) {
+ kfree(cdev->data_cb_info);
+ free_urbs(cdev->data_urbs_in);
+ free_urbs(cdev->data_urbs_out);
+ return ret;
+ }
+
+ return 0;
+}
+
+void snd_usb_caiaq_audio_free(struct snd_usb_caiaqdev *cdev)
+{
+ struct device *dev = caiaqdev_to_dev(cdev);
+
+ dev_dbg(dev, "%s(%p)\n", __func__, cdev);
+ stream_stop(cdev);
+ free_urbs(cdev->data_urbs_in);
+ free_urbs(cdev->data_urbs_out);
+ kfree(cdev->data_cb_info);
+}
+
diff --git a/sound/usb/caiaq/audio.h b/sound/usb/caiaq/audio.h
new file mode 100644
index 000000000..869bf6264
--- /dev/null
+++ b/sound/usb/caiaq/audio.h
@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef CAIAQ_AUDIO_H
+#define CAIAQ_AUDIO_H
+
+int snd_usb_caiaq_audio_init(struct snd_usb_caiaqdev *cdev);
+void snd_usb_caiaq_audio_free(struct snd_usb_caiaqdev *cdev);
+
+#endif /* CAIAQ_AUDIO_H */
diff --git a/sound/usb/caiaq/control.c b/sound/usb/caiaq/control.c
new file mode 100644
index 000000000..af459c49b
--- /dev/null
+++ b/sound/usb/caiaq/control.c
@@ -0,0 +1,643 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) 2007 Daniel Mack
+ * friendly supported by NI.
+ */
+
+#include <linux/device.h>
+#include <linux/init.h>
+#include <linux/usb.h>
+#include <sound/control.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+
+#include "device.h"
+#include "control.h"
+
+#define CNT_INTVAL 0x10000
+#define MASCHINE_BANK_SIZE 32
+
+static int control_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ struct snd_usb_audio *chip = snd_kcontrol_chip(kcontrol);
+ struct snd_usb_caiaqdev *cdev = caiaqdev(chip->card);
+ int pos = kcontrol->private_value;
+ int is_intval = pos & CNT_INTVAL;
+ int maxval = 63;
+
+ uinfo->count = 1;
+ pos &= ~CNT_INTVAL;
+
+ switch (cdev->chip.usb_id) {
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO8DJ):
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO4DJ):
+ if (pos == 0) {
+ /* current input mode of A8DJ and A4DJ */
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = 2;
+ return 0;
+ }
+ break;
+
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
+ maxval = 127;
+ break;
+
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLS4):
+ maxval = 31;
+ break;
+ }
+
+ if (is_intval) {
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = maxval;
+ } else {
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = 1;
+ }
+
+ return 0;
+}
+
+static int control_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_usb_audio *chip = snd_kcontrol_chip(kcontrol);
+ struct snd_usb_caiaqdev *cdev = caiaqdev(chip->card);
+ int pos = kcontrol->private_value;
+
+ if (pos & CNT_INTVAL)
+ ucontrol->value.integer.value[0]
+ = cdev->control_state[pos & ~CNT_INTVAL];
+ else
+ ucontrol->value.integer.value[0]
+ = !!(cdev->control_state[pos / 8] & (1 << pos % 8));
+
+ return 0;
+}
+
+static int control_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_usb_audio *chip = snd_kcontrol_chip(kcontrol);
+ struct snd_usb_caiaqdev *cdev = caiaqdev(chip->card);
+ int pos = kcontrol->private_value;
+ int v = ucontrol->value.integer.value[0];
+ unsigned char cmd;
+
+ switch (cdev->chip.usb_id) {
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER):
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER2):
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER):
+ cmd = EP1_CMD_DIMM_LEDS;
+ break;
+ default:
+ cmd = EP1_CMD_WRITE_IO;
+ break;
+ }
+
+ if (pos & CNT_INTVAL) {
+ int i = pos & ~CNT_INTVAL;
+
+ cdev->control_state[i] = v;
+
+ if (cdev->chip.usb_id ==
+ USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLS4)) {
+ int actual_len;
+
+ cdev->ep8_out_buf[0] = i;
+ cdev->ep8_out_buf[1] = v;
+
+ usb_bulk_msg(cdev->chip.dev,
+ usb_sndbulkpipe(cdev->chip.dev, 8),
+ cdev->ep8_out_buf, sizeof(cdev->ep8_out_buf),
+ &actual_len, 200);
+ } else if (cdev->chip.usb_id ==
+ USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER)) {
+
+ int bank = 0;
+ int offset = 0;
+
+ if (i >= MASCHINE_BANK_SIZE) {
+ bank = 0x1e;
+ offset = MASCHINE_BANK_SIZE;
+ }
+
+ snd_usb_caiaq_send_command_bank(cdev, cmd, bank,
+ cdev->control_state + offset,
+ MASCHINE_BANK_SIZE);
+ } else {
+ snd_usb_caiaq_send_command(cdev, cmd,
+ cdev->control_state, sizeof(cdev->control_state));
+ }
+ } else {
+ if (v)
+ cdev->control_state[pos / 8] |= 1 << (pos % 8);
+ else
+ cdev->control_state[pos / 8] &= ~(1 << (pos % 8));
+
+ snd_usb_caiaq_send_command(cdev, cmd,
+ cdev->control_state, sizeof(cdev->control_state));
+ }
+
+ return 1;
+}
+
+static struct snd_kcontrol_new kcontrol_template = {
+ .iface = SNDRV_CTL_ELEM_IFACE_HWDEP,
+ .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
+ .index = 0,
+ .info = control_info,
+ .get = control_get,
+ .put = control_put,
+ /* name and private_value filled later */
+};
+
+struct caiaq_controller {
+ char *name;
+ int index;
+};
+
+static const struct caiaq_controller ak1_controller[] = {
+ { "LED left", 2 },
+ { "LED middle", 1 },
+ { "LED right", 0 },
+ { "LED ring", 3 }
+};
+
+static const struct caiaq_controller rk2_controller[] = {
+ { "LED 1", 5 },
+ { "LED 2", 4 },
+ { "LED 3", 3 },
+ { "LED 4", 2 },
+ { "LED 5", 1 },
+ { "LED 6", 0 },
+ { "LED pedal", 6 },
+ { "LED 7seg_1b", 8 },
+ { "LED 7seg_1c", 9 },
+ { "LED 7seg_2a", 10 },
+ { "LED 7seg_2b", 11 },
+ { "LED 7seg_2c", 12 },
+ { "LED 7seg_2d", 13 },
+ { "LED 7seg_2e", 14 },
+ { "LED 7seg_2f", 15 },
+ { "LED 7seg_2g", 16 },
+ { "LED 7seg_3a", 17 },
+ { "LED 7seg_3b", 18 },
+ { "LED 7seg_3c", 19 },
+ { "LED 7seg_3d", 20 },
+ { "LED 7seg_3e", 21 },
+ { "LED 7seg_3f", 22 },
+ { "LED 7seg_3g", 23 }
+};
+
+static const struct caiaq_controller rk3_controller[] = {
+ { "LED 7seg_1a", 0 + 0 },
+ { "LED 7seg_1b", 0 + 1 },
+ { "LED 7seg_1c", 0 + 2 },
+ { "LED 7seg_1d", 0 + 3 },
+ { "LED 7seg_1e", 0 + 4 },
+ { "LED 7seg_1f", 0 + 5 },
+ { "LED 7seg_1g", 0 + 6 },
+ { "LED 7seg_1p", 0 + 7 },
+
+ { "LED 7seg_2a", 8 + 0 },
+ { "LED 7seg_2b", 8 + 1 },
+ { "LED 7seg_2c", 8 + 2 },
+ { "LED 7seg_2d", 8 + 3 },
+ { "LED 7seg_2e", 8 + 4 },
+ { "LED 7seg_2f", 8 + 5 },
+ { "LED 7seg_2g", 8 + 6 },
+ { "LED 7seg_2p", 8 + 7 },
+
+ { "LED 7seg_3a", 16 + 0 },
+ { "LED 7seg_3b", 16 + 1 },
+ { "LED 7seg_3c", 16 + 2 },
+ { "LED 7seg_3d", 16 + 3 },
+ { "LED 7seg_3e", 16 + 4 },
+ { "LED 7seg_3f", 16 + 5 },
+ { "LED 7seg_3g", 16 + 6 },
+ { "LED 7seg_3p", 16 + 7 },
+
+ { "LED 7seg_4a", 24 + 0 },
+ { "LED 7seg_4b", 24 + 1 },
+ { "LED 7seg_4c", 24 + 2 },
+ { "LED 7seg_4d", 24 + 3 },
+ { "LED 7seg_4e", 24 + 4 },
+ { "LED 7seg_4f", 24 + 5 },
+ { "LED 7seg_4g", 24 + 6 },
+ { "LED 7seg_4p", 24 + 7 },
+
+ { "LED 1", 32 + 0 },
+ { "LED 2", 32 + 1 },
+ { "LED 3", 32 + 2 },
+ { "LED 4", 32 + 3 },
+ { "LED 5", 32 + 4 },
+ { "LED 6", 32 + 5 },
+ { "LED 7", 32 + 6 },
+ { "LED 8", 32 + 7 },
+ { "LED pedal", 32 + 8 }
+};
+
+static const struct caiaq_controller kore_controller[] = {
+ { "LED F1", 8 | CNT_INTVAL },
+ { "LED F2", 12 | CNT_INTVAL },
+ { "LED F3", 0 | CNT_INTVAL },
+ { "LED F4", 4 | CNT_INTVAL },
+ { "LED F5", 11 | CNT_INTVAL },
+ { "LED F6", 15 | CNT_INTVAL },
+ { "LED F7", 3 | CNT_INTVAL },
+ { "LED F8", 7 | CNT_INTVAL },
+ { "LED touch1", 10 | CNT_INTVAL },
+ { "LED touch2", 14 | CNT_INTVAL },
+ { "LED touch3", 2 | CNT_INTVAL },
+ { "LED touch4", 6 | CNT_INTVAL },
+ { "LED touch5", 9 | CNT_INTVAL },
+ { "LED touch6", 13 | CNT_INTVAL },
+ { "LED touch7", 1 | CNT_INTVAL },
+ { "LED touch8", 5 | CNT_INTVAL },
+ { "LED left", 18 | CNT_INTVAL },
+ { "LED right", 22 | CNT_INTVAL },
+ { "LED up", 16 | CNT_INTVAL },
+ { "LED down", 20 | CNT_INTVAL },
+ { "LED stop", 23 | CNT_INTVAL },
+ { "LED play", 21 | CNT_INTVAL },
+ { "LED record", 19 | CNT_INTVAL },
+ { "LED listen", 17 | CNT_INTVAL },
+ { "LED lcd", 30 | CNT_INTVAL },
+ { "LED menu", 28 | CNT_INTVAL },
+ { "LED sound", 31 | CNT_INTVAL },
+ { "LED esc", 29 | CNT_INTVAL },
+ { "LED view", 27 | CNT_INTVAL },
+ { "LED enter", 24 | CNT_INTVAL },
+ { "LED control", 26 | CNT_INTVAL }
+};
+
+static const struct caiaq_controller a8dj_controller[] = {
+ { "Current input mode", 0 | CNT_INTVAL },
+ { "GND lift for TC Vinyl mode", 24 + 0 },
+ { "GND lift for TC CD/Line mode", 24 + 1 },
+ { "GND lift for phono mode", 24 + 2 },
+ { "Software lock", 40 }
+};
+
+static const struct caiaq_controller a4dj_controller[] = {
+ { "Current input mode", 0 | CNT_INTVAL }
+};
+
+static const struct caiaq_controller kontrolx1_controller[] = {
+ { "LED FX A: ON", 7 | CNT_INTVAL },
+ { "LED FX A: 1", 6 | CNT_INTVAL },
+ { "LED FX A: 2", 5 | CNT_INTVAL },
+ { "LED FX A: 3", 4 | CNT_INTVAL },
+ { "LED FX B: ON", 3 | CNT_INTVAL },
+ { "LED FX B: 1", 2 | CNT_INTVAL },
+ { "LED FX B: 2", 1 | CNT_INTVAL },
+ { "LED FX B: 3", 0 | CNT_INTVAL },
+
+ { "LED Hotcue", 28 | CNT_INTVAL },
+ { "LED Shift (white)", 29 | CNT_INTVAL },
+ { "LED Shift (green)", 30 | CNT_INTVAL },
+
+ { "LED Deck A: FX1", 24 | CNT_INTVAL },
+ { "LED Deck A: FX2", 25 | CNT_INTVAL },
+ { "LED Deck A: IN", 17 | CNT_INTVAL },
+ { "LED Deck A: OUT", 16 | CNT_INTVAL },
+ { "LED Deck A: < BEAT", 19 | CNT_INTVAL },
+ { "LED Deck A: BEAT >", 18 | CNT_INTVAL },
+ { "LED Deck A: CUE/ABS", 21 | CNT_INTVAL },
+ { "LED Deck A: CUP/REL", 20 | CNT_INTVAL },
+ { "LED Deck A: PLAY", 23 | CNT_INTVAL },
+ { "LED Deck A: SYNC", 22 | CNT_INTVAL },
+
+ { "LED Deck B: FX1", 26 | CNT_INTVAL },
+ { "LED Deck B: FX2", 27 | CNT_INTVAL },
+ { "LED Deck B: IN", 15 | CNT_INTVAL },
+ { "LED Deck B: OUT", 14 | CNT_INTVAL },
+ { "LED Deck B: < BEAT", 13 | CNT_INTVAL },
+ { "LED Deck B: BEAT >", 12 | CNT_INTVAL },
+ { "LED Deck B: CUE/ABS", 11 | CNT_INTVAL },
+ { "LED Deck B: CUP/REL", 10 | CNT_INTVAL },
+ { "LED Deck B: PLAY", 9 | CNT_INTVAL },
+ { "LED Deck B: SYNC", 8 | CNT_INTVAL },
+};
+
+static const struct caiaq_controller kontrols4_controller[] = {
+ { "LED: Master: Quant", 10 | CNT_INTVAL },
+ { "LED: Master: Headphone", 11 | CNT_INTVAL },
+ { "LED: Master: Master", 12 | CNT_INTVAL },
+ { "LED: Master: Snap", 14 | CNT_INTVAL },
+ { "LED: Master: Warning", 15 | CNT_INTVAL },
+ { "LED: Master: Master button", 112 | CNT_INTVAL },
+ { "LED: Master: Snap button", 113 | CNT_INTVAL },
+ { "LED: Master: Rec", 118 | CNT_INTVAL },
+ { "LED: Master: Size", 119 | CNT_INTVAL },
+ { "LED: Master: Quant button", 120 | CNT_INTVAL },
+ { "LED: Master: Browser button", 121 | CNT_INTVAL },
+ { "LED: Master: Play button", 126 | CNT_INTVAL },
+ { "LED: Master: Undo button", 127 | CNT_INTVAL },
+
+ { "LED: Channel A: >", 4 | CNT_INTVAL },
+ { "LED: Channel A: <", 5 | CNT_INTVAL },
+ { "LED: Channel A: Meter 1", 97 | CNT_INTVAL },
+ { "LED: Channel A: Meter 2", 98 | CNT_INTVAL },
+ { "LED: Channel A: Meter 3", 99 | CNT_INTVAL },
+ { "LED: Channel A: Meter 4", 100 | CNT_INTVAL },
+ { "LED: Channel A: Meter 5", 101 | CNT_INTVAL },
+ { "LED: Channel A: Meter 6", 102 | CNT_INTVAL },
+ { "LED: Channel A: Meter clip", 103 | CNT_INTVAL },
+ { "LED: Channel A: Active", 114 | CNT_INTVAL },
+ { "LED: Channel A: Cue", 116 | CNT_INTVAL },
+ { "LED: Channel A: FX1", 149 | CNT_INTVAL },
+ { "LED: Channel A: FX2", 148 | CNT_INTVAL },
+
+ { "LED: Channel B: >", 2 | CNT_INTVAL },
+ { "LED: Channel B: <", 3 | CNT_INTVAL },
+ { "LED: Channel B: Meter 1", 89 | CNT_INTVAL },
+ { "LED: Channel B: Meter 2", 90 | CNT_INTVAL },
+ { "LED: Channel B: Meter 3", 91 | CNT_INTVAL },
+ { "LED: Channel B: Meter 4", 92 | CNT_INTVAL },
+ { "LED: Channel B: Meter 5", 93 | CNT_INTVAL },
+ { "LED: Channel B: Meter 6", 94 | CNT_INTVAL },
+ { "LED: Channel B: Meter clip", 95 | CNT_INTVAL },
+ { "LED: Channel B: Active", 122 | CNT_INTVAL },
+ { "LED: Channel B: Cue", 125 | CNT_INTVAL },
+ { "LED: Channel B: FX1", 147 | CNT_INTVAL },
+ { "LED: Channel B: FX2", 146 | CNT_INTVAL },
+
+ { "LED: Channel C: >", 6 | CNT_INTVAL },
+ { "LED: Channel C: <", 7 | CNT_INTVAL },
+ { "LED: Channel C: Meter 1", 105 | CNT_INTVAL },
+ { "LED: Channel C: Meter 2", 106 | CNT_INTVAL },
+ { "LED: Channel C: Meter 3", 107 | CNT_INTVAL },
+ { "LED: Channel C: Meter 4", 108 | CNT_INTVAL },
+ { "LED: Channel C: Meter 5", 109 | CNT_INTVAL },
+ { "LED: Channel C: Meter 6", 110 | CNT_INTVAL },
+ { "LED: Channel C: Meter clip", 111 | CNT_INTVAL },
+ { "LED: Channel C: Active", 115 | CNT_INTVAL },
+ { "LED: Channel C: Cue", 117 | CNT_INTVAL },
+ { "LED: Channel C: FX1", 151 | CNT_INTVAL },
+ { "LED: Channel C: FX2", 150 | CNT_INTVAL },
+
+ { "LED: Channel D: >", 0 | CNT_INTVAL },
+ { "LED: Channel D: <", 1 | CNT_INTVAL },
+ { "LED: Channel D: Meter 1", 81 | CNT_INTVAL },
+ { "LED: Channel D: Meter 2", 82 | CNT_INTVAL },
+ { "LED: Channel D: Meter 3", 83 | CNT_INTVAL },
+ { "LED: Channel D: Meter 4", 84 | CNT_INTVAL },
+ { "LED: Channel D: Meter 5", 85 | CNT_INTVAL },
+ { "LED: Channel D: Meter 6", 86 | CNT_INTVAL },
+ { "LED: Channel D: Meter clip", 87 | CNT_INTVAL },
+ { "LED: Channel D: Active", 123 | CNT_INTVAL },
+ { "LED: Channel D: Cue", 124 | CNT_INTVAL },
+ { "LED: Channel D: FX1", 145 | CNT_INTVAL },
+ { "LED: Channel D: FX2", 144 | CNT_INTVAL },
+
+ { "LED: Deck A: 1 (blue)", 22 | CNT_INTVAL },
+ { "LED: Deck A: 1 (green)", 23 | CNT_INTVAL },
+ { "LED: Deck A: 2 (blue)", 20 | CNT_INTVAL },
+ { "LED: Deck A: 2 (green)", 21 | CNT_INTVAL },
+ { "LED: Deck A: 3 (blue)", 18 | CNT_INTVAL },
+ { "LED: Deck A: 3 (green)", 19 | CNT_INTVAL },
+ { "LED: Deck A: 4 (blue)", 16 | CNT_INTVAL },
+ { "LED: Deck A: 4 (green)", 17 | CNT_INTVAL },
+ { "LED: Deck A: Load", 44 | CNT_INTVAL },
+ { "LED: Deck A: Deck C button", 45 | CNT_INTVAL },
+ { "LED: Deck A: In", 47 | CNT_INTVAL },
+ { "LED: Deck A: Out", 46 | CNT_INTVAL },
+ { "LED: Deck A: Shift", 24 | CNT_INTVAL },
+ { "LED: Deck A: Sync", 27 | CNT_INTVAL },
+ { "LED: Deck A: Cue", 26 | CNT_INTVAL },
+ { "LED: Deck A: Play", 25 | CNT_INTVAL },
+ { "LED: Deck A: Tempo up", 33 | CNT_INTVAL },
+ { "LED: Deck A: Tempo down", 32 | CNT_INTVAL },
+ { "LED: Deck A: Master", 34 | CNT_INTVAL },
+ { "LED: Deck A: Keylock", 35 | CNT_INTVAL },
+ { "LED: Deck A: Deck A", 37 | CNT_INTVAL },
+ { "LED: Deck A: Deck C", 36 | CNT_INTVAL },
+ { "LED: Deck A: Samples", 38 | CNT_INTVAL },
+ { "LED: Deck A: On Air", 39 | CNT_INTVAL },
+ { "LED: Deck A: Sample 1", 31 | CNT_INTVAL },
+ { "LED: Deck A: Sample 2", 30 | CNT_INTVAL },
+ { "LED: Deck A: Sample 3", 29 | CNT_INTVAL },
+ { "LED: Deck A: Sample 4", 28 | CNT_INTVAL },
+ { "LED: Deck A: Digit 1 - A", 55 | CNT_INTVAL },
+ { "LED: Deck A: Digit 1 - B", 54 | CNT_INTVAL },
+ { "LED: Deck A: Digit 1 - C", 53 | CNT_INTVAL },
+ { "LED: Deck A: Digit 1 - D", 52 | CNT_INTVAL },
+ { "LED: Deck A: Digit 1 - E", 51 | CNT_INTVAL },
+ { "LED: Deck A: Digit 1 - F", 50 | CNT_INTVAL },
+ { "LED: Deck A: Digit 1 - G", 49 | CNT_INTVAL },
+ { "LED: Deck A: Digit 1 - dot", 48 | CNT_INTVAL },
+ { "LED: Deck A: Digit 2 - A", 63 | CNT_INTVAL },
+ { "LED: Deck A: Digit 2 - B", 62 | CNT_INTVAL },
+ { "LED: Deck A: Digit 2 - C", 61 | CNT_INTVAL },
+ { "LED: Deck A: Digit 2 - D", 60 | CNT_INTVAL },
+ { "LED: Deck A: Digit 2 - E", 59 | CNT_INTVAL },
+ { "LED: Deck A: Digit 2 - F", 58 | CNT_INTVAL },
+ { "LED: Deck A: Digit 2 - G", 57 | CNT_INTVAL },
+ { "LED: Deck A: Digit 2 - dot", 56 | CNT_INTVAL },
+
+ { "LED: Deck B: 1 (blue)", 78 | CNT_INTVAL },
+ { "LED: Deck B: 1 (green)", 79 | CNT_INTVAL },
+ { "LED: Deck B: 2 (blue)", 76 | CNT_INTVAL },
+ { "LED: Deck B: 2 (green)", 77 | CNT_INTVAL },
+ { "LED: Deck B: 3 (blue)", 74 | CNT_INTVAL },
+ { "LED: Deck B: 3 (green)", 75 | CNT_INTVAL },
+ { "LED: Deck B: 4 (blue)", 72 | CNT_INTVAL },
+ { "LED: Deck B: 4 (green)", 73 | CNT_INTVAL },
+ { "LED: Deck B: Load", 180 | CNT_INTVAL },
+ { "LED: Deck B: Deck D button", 181 | CNT_INTVAL },
+ { "LED: Deck B: In", 183 | CNT_INTVAL },
+ { "LED: Deck B: Out", 182 | CNT_INTVAL },
+ { "LED: Deck B: Shift", 64 | CNT_INTVAL },
+ { "LED: Deck B: Sync", 67 | CNT_INTVAL },
+ { "LED: Deck B: Cue", 66 | CNT_INTVAL },
+ { "LED: Deck B: Play", 65 | CNT_INTVAL },
+ { "LED: Deck B: Tempo up", 185 | CNT_INTVAL },
+ { "LED: Deck B: Tempo down", 184 | CNT_INTVAL },
+ { "LED: Deck B: Master", 186 | CNT_INTVAL },
+ { "LED: Deck B: Keylock", 187 | CNT_INTVAL },
+ { "LED: Deck B: Deck B", 189 | CNT_INTVAL },
+ { "LED: Deck B: Deck D", 188 | CNT_INTVAL },
+ { "LED: Deck B: Samples", 190 | CNT_INTVAL },
+ { "LED: Deck B: On Air", 191 | CNT_INTVAL },
+ { "LED: Deck B: Sample 1", 71 | CNT_INTVAL },
+ { "LED: Deck B: Sample 2", 70 | CNT_INTVAL },
+ { "LED: Deck B: Sample 3", 69 | CNT_INTVAL },
+ { "LED: Deck B: Sample 4", 68 | CNT_INTVAL },
+ { "LED: Deck B: Digit 1 - A", 175 | CNT_INTVAL },
+ { "LED: Deck B: Digit 1 - B", 174 | CNT_INTVAL },
+ { "LED: Deck B: Digit 1 - C", 173 | CNT_INTVAL },
+ { "LED: Deck B: Digit 1 - D", 172 | CNT_INTVAL },
+ { "LED: Deck B: Digit 1 - E", 171 | CNT_INTVAL },
+ { "LED: Deck B: Digit 1 - F", 170 | CNT_INTVAL },
+ { "LED: Deck B: Digit 1 - G", 169 | CNT_INTVAL },
+ { "LED: Deck B: Digit 1 - dot", 168 | CNT_INTVAL },
+ { "LED: Deck B: Digit 2 - A", 167 | CNT_INTVAL },
+ { "LED: Deck B: Digit 2 - B", 166 | CNT_INTVAL },
+ { "LED: Deck B: Digit 2 - C", 165 | CNT_INTVAL },
+ { "LED: Deck B: Digit 2 - D", 164 | CNT_INTVAL },
+ { "LED: Deck B: Digit 2 - E", 163 | CNT_INTVAL },
+ { "LED: Deck B: Digit 2 - F", 162 | CNT_INTVAL },
+ { "LED: Deck B: Digit 2 - G", 161 | CNT_INTVAL },
+ { "LED: Deck B: Digit 2 - dot", 160 | CNT_INTVAL },
+
+ { "LED: FX1: dry/wet", 153 | CNT_INTVAL },
+ { "LED: FX1: 1", 154 | CNT_INTVAL },
+ { "LED: FX1: 2", 155 | CNT_INTVAL },
+ { "LED: FX1: 3", 156 | CNT_INTVAL },
+ { "LED: FX1: Mode", 157 | CNT_INTVAL },
+ { "LED: FX2: dry/wet", 129 | CNT_INTVAL },
+ { "LED: FX2: 1", 130 | CNT_INTVAL },
+ { "LED: FX2: 2", 131 | CNT_INTVAL },
+ { "LED: FX2: 3", 132 | CNT_INTVAL },
+ { "LED: FX2: Mode", 133 | CNT_INTVAL },
+};
+
+static const struct caiaq_controller maschine_controller[] = {
+ { "LED: Pad 1", 3 | CNT_INTVAL },
+ { "LED: Pad 2", 2 | CNT_INTVAL },
+ { "LED: Pad 3", 1 | CNT_INTVAL },
+ { "LED: Pad 4", 0 | CNT_INTVAL },
+ { "LED: Pad 5", 7 | CNT_INTVAL },
+ { "LED: Pad 6", 6 | CNT_INTVAL },
+ { "LED: Pad 7", 5 | CNT_INTVAL },
+ { "LED: Pad 8", 4 | CNT_INTVAL },
+ { "LED: Pad 9", 11 | CNT_INTVAL },
+ { "LED: Pad 10", 10 | CNT_INTVAL },
+ { "LED: Pad 11", 9 | CNT_INTVAL },
+ { "LED: Pad 12", 8 | CNT_INTVAL },
+ { "LED: Pad 13", 15 | CNT_INTVAL },
+ { "LED: Pad 14", 14 | CNT_INTVAL },
+ { "LED: Pad 15", 13 | CNT_INTVAL },
+ { "LED: Pad 16", 12 | CNT_INTVAL },
+
+ { "LED: Mute", 16 | CNT_INTVAL },
+ { "LED: Solo", 17 | CNT_INTVAL },
+ { "LED: Select", 18 | CNT_INTVAL },
+ { "LED: Duplicate", 19 | CNT_INTVAL },
+ { "LED: Navigate", 20 | CNT_INTVAL },
+ { "LED: Pad Mode", 21 | CNT_INTVAL },
+ { "LED: Pattern", 22 | CNT_INTVAL },
+ { "LED: Scene", 23 | CNT_INTVAL },
+
+ { "LED: Shift", 24 | CNT_INTVAL },
+ { "LED: Erase", 25 | CNT_INTVAL },
+ { "LED: Grid", 26 | CNT_INTVAL },
+ { "LED: Right Bottom", 27 | CNT_INTVAL },
+ { "LED: Rec", 28 | CNT_INTVAL },
+ { "LED: Play", 29 | CNT_INTVAL },
+ { "LED: Left Bottom", 32 | CNT_INTVAL },
+ { "LED: Restart", 33 | CNT_INTVAL },
+
+ { "LED: Group A", 41 | CNT_INTVAL },
+ { "LED: Group B", 40 | CNT_INTVAL },
+ { "LED: Group C", 37 | CNT_INTVAL },
+ { "LED: Group D", 36 | CNT_INTVAL },
+ { "LED: Group E", 39 | CNT_INTVAL },
+ { "LED: Group F", 38 | CNT_INTVAL },
+ { "LED: Group G", 35 | CNT_INTVAL },
+ { "LED: Group H", 34 | CNT_INTVAL },
+
+ { "LED: Auto Write", 42 | CNT_INTVAL },
+ { "LED: Snap", 43 | CNT_INTVAL },
+ { "LED: Right Top", 44 | CNT_INTVAL },
+ { "LED: Left Top", 45 | CNT_INTVAL },
+ { "LED: Sampling", 46 | CNT_INTVAL },
+ { "LED: Browse", 47 | CNT_INTVAL },
+ { "LED: Step", 48 | CNT_INTVAL },
+ { "LED: Control", 49 | CNT_INTVAL },
+
+ { "LED: Top Button 1", 57 | CNT_INTVAL },
+ { "LED: Top Button 2", 56 | CNT_INTVAL },
+ { "LED: Top Button 3", 55 | CNT_INTVAL },
+ { "LED: Top Button 4", 54 | CNT_INTVAL },
+ { "LED: Top Button 5", 53 | CNT_INTVAL },
+ { "LED: Top Button 6", 52 | CNT_INTVAL },
+ { "LED: Top Button 7", 51 | CNT_INTVAL },
+ { "LED: Top Button 8", 50 | CNT_INTVAL },
+
+ { "LED: Note Repeat", 58 | CNT_INTVAL },
+
+ { "Backlight Display", 59 | CNT_INTVAL }
+};
+
+static int add_controls(const struct caiaq_controller *c, int num,
+ struct snd_usb_caiaqdev *cdev)
+{
+ int i, ret;
+ struct snd_kcontrol *kc;
+
+ for (i = 0; i < num; i++, c++) {
+ kcontrol_template.name = c->name;
+ kcontrol_template.private_value = c->index;
+ kc = snd_ctl_new1(&kcontrol_template, cdev);
+ ret = snd_ctl_add(cdev->chip.card, kc);
+ if (ret < 0)
+ return ret;
+ }
+
+ return 0;
+}
+
+int snd_usb_caiaq_control_init(struct snd_usb_caiaqdev *cdev)
+{
+ int ret = 0;
+
+ switch (cdev->chip.usb_id) {
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AK1):
+ ret = add_controls(ak1_controller,
+ ARRAY_SIZE(ak1_controller), cdev);
+ break;
+
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL2):
+ ret = add_controls(rk2_controller,
+ ARRAY_SIZE(rk2_controller), cdev);
+ break;
+
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL3):
+ ret = add_controls(rk3_controller,
+ ARRAY_SIZE(rk3_controller), cdev);
+ break;
+
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER):
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER2):
+ ret = add_controls(kore_controller,
+ ARRAY_SIZE(kore_controller), cdev);
+ break;
+
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO8DJ):
+ ret = add_controls(a8dj_controller,
+ ARRAY_SIZE(a8dj_controller), cdev);
+ break;
+
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO4DJ):
+ ret = add_controls(a4dj_controller,
+ ARRAY_SIZE(a4dj_controller), cdev);
+ break;
+
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
+ ret = add_controls(kontrolx1_controller,
+ ARRAY_SIZE(kontrolx1_controller), cdev);
+ break;
+
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLS4):
+ ret = add_controls(kontrols4_controller,
+ ARRAY_SIZE(kontrols4_controller), cdev);
+ break;
+
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER):
+ ret = add_controls(maschine_controller,
+ ARRAY_SIZE(maschine_controller), cdev);
+ break;
+ }
+
+ return ret;
+}
+
diff --git a/sound/usb/caiaq/control.h b/sound/usb/caiaq/control.h
new file mode 100644
index 000000000..cb204fd45
--- /dev/null
+++ b/sound/usb/caiaq/control.h
@@ -0,0 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef CAIAQ_CONTROL_H
+#define CAIAQ_CONTROL_H
+
+int snd_usb_caiaq_control_init(struct snd_usb_caiaqdev *cdev);
+
+#endif /* CAIAQ_CONTROL_H */
diff --git a/sound/usb/caiaq/device.c b/sound/usb/caiaq/device.c
new file mode 100644
index 000000000..2af3b7eb0
--- /dev/null
+++ b/sound/usb/caiaq/device.c
@@ -0,0 +1,571 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * caiaq.c: ALSA driver for caiaq/NativeInstruments devices
+ *
+ * Copyright (c) 2007 Daniel Mack <daniel@caiaq.de>
+ * Karsten Wiese <fzu@wemgehoertderstaat.de>
+*/
+
+#include <linux/moduleparam.h>
+#include <linux/device.h>
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/gfp.h>
+#include <linux/usb.h>
+#include <sound/initval.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+
+#include "device.h"
+#include "audio.h"
+#include "midi.h"
+#include "control.h"
+#include "input.h"
+
+MODULE_AUTHOR("Daniel Mack <daniel@caiaq.de>");
+MODULE_DESCRIPTION("caiaq USB audio");
+MODULE_LICENSE("GPL");
+MODULE_SUPPORTED_DEVICE("{{Native Instruments,RigKontrol2},"
+ "{Native Instruments,RigKontrol3},"
+ "{Native Instruments,Kore Controller},"
+ "{Native Instruments,Kore Controller 2},"
+ "{Native Instruments,Audio Kontrol 1},"
+ "{Native Instruments,Audio 2 DJ},"
+ "{Native Instruments,Audio 4 DJ},"
+ "{Native Instruments,Audio 8 DJ},"
+ "{Native Instruments,Traktor Audio 2},"
+ "{Native Instruments,Session I/O},"
+ "{Native Instruments,GuitarRig mobile},"
+ "{Native Instruments,Traktor Kontrol X1},"
+ "{Native Instruments,Traktor Kontrol S4},"
+ "{Native Instruments,Maschine Controller}}");
+
+static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-max */
+static char* id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* Id for this card */
+static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
+
+module_param_array(index, int, NULL, 0444);
+MODULE_PARM_DESC(index, "Index value for the caiaq sound device");
+module_param_array(id, charp, NULL, 0444);
+MODULE_PARM_DESC(id, "ID string for the caiaq soundcard.");
+module_param_array(enable, bool, NULL, 0444);
+MODULE_PARM_DESC(enable, "Enable the caiaq soundcard.");
+
+enum {
+ SAMPLERATE_44100 = 0,
+ SAMPLERATE_48000 = 1,
+ SAMPLERATE_96000 = 2,
+ SAMPLERATE_192000 = 3,
+ SAMPLERATE_88200 = 4,
+ SAMPLERATE_INVALID = 0xff
+};
+
+enum {
+ DEPTH_NONE = 0,
+ DEPTH_16 = 1,
+ DEPTH_24 = 2,
+ DEPTH_32 = 3
+};
+
+static const struct usb_device_id snd_usb_id_table[] = {
+ {
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
+ .idVendor = USB_VID_NATIVEINSTRUMENTS,
+ .idProduct = USB_PID_RIGKONTROL2
+ },
+ {
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
+ .idVendor = USB_VID_NATIVEINSTRUMENTS,
+ .idProduct = USB_PID_RIGKONTROL3
+ },
+ {
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
+ .idVendor = USB_VID_NATIVEINSTRUMENTS,
+ .idProduct = USB_PID_KORECONTROLLER
+ },
+ {
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
+ .idVendor = USB_VID_NATIVEINSTRUMENTS,
+ .idProduct = USB_PID_KORECONTROLLER2
+ },
+ {
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
+ .idVendor = USB_VID_NATIVEINSTRUMENTS,
+ .idProduct = USB_PID_AK1
+ },
+ {
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
+ .idVendor = USB_VID_NATIVEINSTRUMENTS,
+ .idProduct = USB_PID_AUDIO8DJ
+ },
+ {
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
+ .idVendor = USB_VID_NATIVEINSTRUMENTS,
+ .idProduct = USB_PID_SESSIONIO
+ },
+ {
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
+ .idVendor = USB_VID_NATIVEINSTRUMENTS,
+ .idProduct = USB_PID_GUITARRIGMOBILE
+ },
+ {
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
+ .idVendor = USB_VID_NATIVEINSTRUMENTS,
+ .idProduct = USB_PID_AUDIO4DJ
+ },
+ {
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
+ .idVendor = USB_VID_NATIVEINSTRUMENTS,
+ .idProduct = USB_PID_AUDIO2DJ
+ },
+ {
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
+ .idVendor = USB_VID_NATIVEINSTRUMENTS,
+ .idProduct = USB_PID_TRAKTORKONTROLX1
+ },
+ {
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
+ .idVendor = USB_VID_NATIVEINSTRUMENTS,
+ .idProduct = USB_PID_TRAKTORKONTROLS4
+ },
+ {
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
+ .idVendor = USB_VID_NATIVEINSTRUMENTS,
+ .idProduct = USB_PID_TRAKTORAUDIO2
+ },
+ {
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
+ .idVendor = USB_VID_NATIVEINSTRUMENTS,
+ .idProduct = USB_PID_MASCHINECONTROLLER
+ },
+ { /* terminator */ }
+};
+
+static void usb_ep1_command_reply_dispatch (struct urb* urb)
+{
+ int ret;
+ struct device *dev = &urb->dev->dev;
+ struct snd_usb_caiaqdev *cdev = urb->context;
+ unsigned char *buf = urb->transfer_buffer;
+
+ if (urb->status || !cdev) {
+ dev_warn(dev, "received EP1 urb->status = %i\n", urb->status);
+ return;
+ }
+
+ switch(buf[0]) {
+ case EP1_CMD_GET_DEVICE_INFO:
+ memcpy(&cdev->spec, buf+1, sizeof(struct caiaq_device_spec));
+ cdev->spec.fw_version = le16_to_cpu(cdev->spec.fw_version);
+ dev_dbg(dev, "device spec (firmware %d): audio: %d in, %d out, "
+ "MIDI: %d in, %d out, data alignment %d\n",
+ cdev->spec.fw_version,
+ cdev->spec.num_analog_audio_in,
+ cdev->spec.num_analog_audio_out,
+ cdev->spec.num_midi_in,
+ cdev->spec.num_midi_out,
+ cdev->spec.data_alignment);
+
+ cdev->spec_received++;
+ wake_up(&cdev->ep1_wait_queue);
+ break;
+ case EP1_CMD_AUDIO_PARAMS:
+ cdev->audio_parm_answer = buf[1];
+ wake_up(&cdev->ep1_wait_queue);
+ break;
+ case EP1_CMD_MIDI_READ:
+ snd_usb_caiaq_midi_handle_input(cdev, buf[1], buf + 3, buf[2]);
+ break;
+ case EP1_CMD_READ_IO:
+ if (cdev->chip.usb_id ==
+ USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO8DJ)) {
+ if (urb->actual_length > sizeof(cdev->control_state))
+ urb->actual_length = sizeof(cdev->control_state);
+ memcpy(cdev->control_state, buf + 1, urb->actual_length);
+ wake_up(&cdev->ep1_wait_queue);
+ break;
+ }
+#ifdef CONFIG_SND_USB_CAIAQ_INPUT
+ fallthrough;
+ case EP1_CMD_READ_ERP:
+ case EP1_CMD_READ_ANALOG:
+ snd_usb_caiaq_input_dispatch(cdev, buf, urb->actual_length);
+#endif
+ break;
+ }
+
+ cdev->ep1_in_urb.actual_length = 0;
+ ret = usb_submit_urb(&cdev->ep1_in_urb, GFP_ATOMIC);
+ if (ret < 0)
+ dev_err(dev, "unable to submit urb. OOM!?\n");
+}
+
+int snd_usb_caiaq_send_command(struct snd_usb_caiaqdev *cdev,
+ unsigned char command,
+ const unsigned char *buffer,
+ int len)
+{
+ int actual_len;
+ struct usb_device *usb_dev = cdev->chip.dev;
+
+ if (!usb_dev)
+ return -EIO;
+
+ if (len > EP1_BUFSIZE - 1)
+ len = EP1_BUFSIZE - 1;
+
+ if (buffer && len > 0)
+ memcpy(cdev->ep1_out_buf+1, buffer, len);
+
+ cdev->ep1_out_buf[0] = command;
+ return usb_bulk_msg(usb_dev, usb_sndbulkpipe(usb_dev, 1),
+ cdev->ep1_out_buf, len+1, &actual_len, 200);
+}
+
+int snd_usb_caiaq_send_command_bank(struct snd_usb_caiaqdev *cdev,
+ unsigned char command,
+ unsigned char bank,
+ const unsigned char *buffer,
+ int len)
+{
+ int actual_len;
+ struct usb_device *usb_dev = cdev->chip.dev;
+
+ if (!usb_dev)
+ return -EIO;
+
+ if (len > EP1_BUFSIZE - 2)
+ len = EP1_BUFSIZE - 2;
+
+ if (buffer && len > 0)
+ memcpy(cdev->ep1_out_buf+2, buffer, len);
+
+ cdev->ep1_out_buf[0] = command;
+ cdev->ep1_out_buf[1] = bank;
+
+ return usb_bulk_msg(usb_dev, usb_sndbulkpipe(usb_dev, 1),
+ cdev->ep1_out_buf, len+2, &actual_len, 200);
+}
+
+int snd_usb_caiaq_set_audio_params (struct snd_usb_caiaqdev *cdev,
+ int rate, int depth, int bpp)
+{
+ int ret;
+ char tmp[5];
+ struct device *dev = caiaqdev_to_dev(cdev);
+
+ switch (rate) {
+ case 44100: tmp[0] = SAMPLERATE_44100; break;
+ case 48000: tmp[0] = SAMPLERATE_48000; break;
+ case 88200: tmp[0] = SAMPLERATE_88200; break;
+ case 96000: tmp[0] = SAMPLERATE_96000; break;
+ case 192000: tmp[0] = SAMPLERATE_192000; break;
+ default: return -EINVAL;
+ }
+
+ switch (depth) {
+ case 16: tmp[1] = DEPTH_16; break;
+ case 24: tmp[1] = DEPTH_24; break;
+ default: return -EINVAL;
+ }
+
+ tmp[2] = bpp & 0xff;
+ tmp[3] = bpp >> 8;
+ tmp[4] = 1; /* packets per microframe */
+
+ dev_dbg(dev, "setting audio params: %d Hz, %d bits, %d bpp\n",
+ rate, depth, bpp);
+
+ cdev->audio_parm_answer = -1;
+ ret = snd_usb_caiaq_send_command(cdev, EP1_CMD_AUDIO_PARAMS,
+ tmp, sizeof(tmp));
+
+ if (ret)
+ return ret;
+
+ if (!wait_event_timeout(cdev->ep1_wait_queue,
+ cdev->audio_parm_answer >= 0, HZ))
+ return -EPIPE;
+
+ if (cdev->audio_parm_answer != 1)
+ dev_dbg(dev, "unable to set the device's audio params\n");
+ else
+ cdev->bpp = bpp;
+
+ return cdev->audio_parm_answer == 1 ? 0 : -EINVAL;
+}
+
+int snd_usb_caiaq_set_auto_msg(struct snd_usb_caiaqdev *cdev,
+ int digital, int analog, int erp)
+{
+ char tmp[3] = { digital, analog, erp };
+ return snd_usb_caiaq_send_command(cdev, EP1_CMD_AUTO_MSG,
+ tmp, sizeof(tmp));
+}
+
+static void setup_card(struct snd_usb_caiaqdev *cdev)
+{
+ int ret;
+ char val[4];
+ struct device *dev = caiaqdev_to_dev(cdev);
+
+ /* device-specific startup specials */
+ switch (cdev->chip.usb_id) {
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL2):
+ /* RigKontrol2 - display centered dash ('-') */
+ val[0] = 0x00;
+ val[1] = 0x00;
+ val[2] = 0x01;
+ snd_usb_caiaq_send_command(cdev, EP1_CMD_WRITE_IO, val, 3);
+ break;
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL3):
+ /* RigKontrol2 - display two centered dashes ('--') */
+ val[0] = 0x00;
+ val[1] = 0x40;
+ val[2] = 0x40;
+ val[3] = 0x00;
+ snd_usb_caiaq_send_command(cdev, EP1_CMD_WRITE_IO, val, 4);
+ break;
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AK1):
+ /* Audio Kontrol 1 - make USB-LED stop blinking */
+ val[0] = 0x00;
+ snd_usb_caiaq_send_command(cdev, EP1_CMD_WRITE_IO, val, 1);
+ break;
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO8DJ):
+ /* Audio 8 DJ - trigger read of current settings */
+ cdev->control_state[0] = 0xff;
+ snd_usb_caiaq_set_auto_msg(cdev, 1, 0, 0);
+ snd_usb_caiaq_send_command(cdev, EP1_CMD_READ_IO, NULL, 0);
+
+ if (!wait_event_timeout(cdev->ep1_wait_queue,
+ cdev->control_state[0] != 0xff, HZ))
+ return;
+
+ /* fix up some defaults */
+ if ((cdev->control_state[1] != 2) ||
+ (cdev->control_state[2] != 3) ||
+ (cdev->control_state[4] != 2)) {
+ cdev->control_state[1] = 2;
+ cdev->control_state[2] = 3;
+ cdev->control_state[4] = 2;
+ snd_usb_caiaq_send_command(cdev,
+ EP1_CMD_WRITE_IO, cdev->control_state, 6);
+ }
+
+ break;
+ }
+
+ if (cdev->spec.num_analog_audio_out +
+ cdev->spec.num_analog_audio_in +
+ cdev->spec.num_digital_audio_out +
+ cdev->spec.num_digital_audio_in > 0) {
+ ret = snd_usb_caiaq_audio_init(cdev);
+ if (ret < 0)
+ dev_err(dev, "Unable to set up audio system (ret=%d)\n", ret);
+ }
+
+ if (cdev->spec.num_midi_in +
+ cdev->spec.num_midi_out > 0) {
+ ret = snd_usb_caiaq_midi_init(cdev);
+ if (ret < 0)
+ dev_err(dev, "Unable to set up MIDI system (ret=%d)\n", ret);
+ }
+
+#ifdef CONFIG_SND_USB_CAIAQ_INPUT
+ ret = snd_usb_caiaq_input_init(cdev);
+ if (ret < 0)
+ dev_err(dev, "Unable to set up input system (ret=%d)\n", ret);
+#endif
+
+ /* finally, register the card and all its sub-instances */
+ ret = snd_card_register(cdev->chip.card);
+ if (ret < 0) {
+ dev_err(dev, "snd_card_register() returned %d\n", ret);
+ snd_card_free(cdev->chip.card);
+ }
+
+ ret = snd_usb_caiaq_control_init(cdev);
+ if (ret < 0)
+ dev_err(dev, "Unable to set up control system (ret=%d)\n", ret);
+}
+
+static int create_card(struct usb_device *usb_dev,
+ struct usb_interface *intf,
+ struct snd_card **cardp)
+{
+ int devnum;
+ int err;
+ struct snd_card *card;
+ struct snd_usb_caiaqdev *cdev;
+
+ for (devnum = 0; devnum < SNDRV_CARDS; devnum++)
+ if (enable[devnum])
+ break;
+
+ if (devnum >= SNDRV_CARDS)
+ return -ENODEV;
+
+ err = snd_card_new(&intf->dev,
+ index[devnum], id[devnum], THIS_MODULE,
+ sizeof(struct snd_usb_caiaqdev), &card);
+ if (err < 0)
+ return err;
+
+ cdev = caiaqdev(card);
+ cdev->chip.dev = usb_dev;
+ cdev->chip.card = card;
+ cdev->chip.usb_id = USB_ID(le16_to_cpu(usb_dev->descriptor.idVendor),
+ le16_to_cpu(usb_dev->descriptor.idProduct));
+ spin_lock_init(&cdev->spinlock);
+
+ *cardp = card;
+ return 0;
+}
+
+static int init_card(struct snd_usb_caiaqdev *cdev)
+{
+ char *c, usbpath[32];
+ struct usb_device *usb_dev = cdev->chip.dev;
+ struct snd_card *card = cdev->chip.card;
+ struct device *dev = caiaqdev_to_dev(cdev);
+ int err, len;
+
+ if (usb_set_interface(usb_dev, 0, 1) != 0) {
+ dev_err(dev, "can't set alt interface.\n");
+ return -EIO;
+ }
+
+ usb_init_urb(&cdev->ep1_in_urb);
+ usb_init_urb(&cdev->midi_out_urb);
+
+ usb_fill_bulk_urb(&cdev->ep1_in_urb, usb_dev,
+ usb_rcvbulkpipe(usb_dev, 0x1),
+ cdev->ep1_in_buf, EP1_BUFSIZE,
+ usb_ep1_command_reply_dispatch, cdev);
+
+ usb_fill_bulk_urb(&cdev->midi_out_urb, usb_dev,
+ usb_sndbulkpipe(usb_dev, 0x1),
+ cdev->midi_out_buf, EP1_BUFSIZE,
+ snd_usb_caiaq_midi_output_done, cdev);
+
+ /* sanity checks of EPs before actually submitting */
+ if (usb_urb_ep_type_check(&cdev->ep1_in_urb) ||
+ usb_urb_ep_type_check(&cdev->midi_out_urb)) {
+ dev_err(dev, "invalid EPs\n");
+ return -EINVAL;
+ }
+
+ init_waitqueue_head(&cdev->ep1_wait_queue);
+ init_waitqueue_head(&cdev->prepare_wait_queue);
+
+ if (usb_submit_urb(&cdev->ep1_in_urb, GFP_KERNEL) != 0)
+ return -EIO;
+
+ err = snd_usb_caiaq_send_command(cdev, EP1_CMD_GET_DEVICE_INFO, NULL, 0);
+ if (err)
+ goto err_kill_urb;
+
+ if (!wait_event_timeout(cdev->ep1_wait_queue, cdev->spec_received, HZ)) {
+ err = -ENODEV;
+ goto err_kill_urb;
+ }
+
+ usb_string(usb_dev, usb_dev->descriptor.iManufacturer,
+ cdev->vendor_name, CAIAQ_USB_STR_LEN);
+
+ usb_string(usb_dev, usb_dev->descriptor.iProduct,
+ cdev->product_name, CAIAQ_USB_STR_LEN);
+
+ strlcpy(card->driver, MODNAME, sizeof(card->driver));
+ strlcpy(card->shortname, cdev->product_name, sizeof(card->shortname));
+ strlcpy(card->mixername, cdev->product_name, sizeof(card->mixername));
+
+ /* if the id was not passed as module option, fill it with a shortened
+ * version of the product string which does not contain any
+ * whitespaces */
+
+ if (*card->id == '\0') {
+ char id[sizeof(card->id)];
+
+ memset(id, 0, sizeof(id));
+
+ for (c = card->shortname, len = 0;
+ *c && len < sizeof(card->id); c++)
+ if (*c != ' ')
+ id[len++] = *c;
+
+ snd_card_set_id(card, id);
+ }
+
+ usb_make_path(usb_dev, usbpath, sizeof(usbpath));
+ snprintf(card->longname, sizeof(card->longname), "%s %s (%s)",
+ cdev->vendor_name, cdev->product_name, usbpath);
+
+ setup_card(cdev);
+ return 0;
+
+ err_kill_urb:
+ usb_kill_urb(&cdev->ep1_in_urb);
+ return err;
+}
+
+static int snd_probe(struct usb_interface *intf,
+ const struct usb_device_id *id)
+{
+ int ret;
+ struct snd_card *card = NULL;
+ struct usb_device *usb_dev = interface_to_usbdev(intf);
+
+ ret = create_card(usb_dev, intf, &card);
+
+ if (ret < 0)
+ return ret;
+
+ usb_set_intfdata(intf, card);
+ ret = init_card(caiaqdev(card));
+ if (ret < 0) {
+ dev_err(&usb_dev->dev, "unable to init card! (ret=%d)\n", ret);
+ snd_card_free(card);
+ return ret;
+ }
+
+ return 0;
+}
+
+static void snd_disconnect(struct usb_interface *intf)
+{
+ struct snd_card *card = usb_get_intfdata(intf);
+ struct device *dev = intf->usb_dev;
+ struct snd_usb_caiaqdev *cdev;
+
+ if (!card)
+ return;
+
+ cdev = caiaqdev(card);
+ dev_dbg(dev, "%s(%p)\n", __func__, intf);
+
+ snd_card_disconnect(card);
+
+#ifdef CONFIG_SND_USB_CAIAQ_INPUT
+ snd_usb_caiaq_input_free(cdev);
+#endif
+ snd_usb_caiaq_audio_free(cdev);
+
+ usb_kill_urb(&cdev->ep1_in_urb);
+ usb_kill_urb(&cdev->midi_out_urb);
+
+ snd_card_free(card);
+ usb_reset_device(interface_to_usbdev(intf));
+}
+
+
+MODULE_DEVICE_TABLE(usb, snd_usb_id_table);
+static struct usb_driver snd_usb_driver = {
+ .name = MODNAME,
+ .probe = snd_probe,
+ .disconnect = snd_disconnect,
+ .id_table = snd_usb_id_table,
+};
+
+module_usb_driver(snd_usb_driver);
diff --git a/sound/usb/caiaq/device.h b/sound/usb/caiaq/device.h
new file mode 100644
index 000000000..50fea0857
--- /dev/null
+++ b/sound/usb/caiaq/device.h
@@ -0,0 +1,138 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef CAIAQ_DEVICE_H
+#define CAIAQ_DEVICE_H
+
+#include "../usbaudio.h"
+
+#define USB_VID_NATIVEINSTRUMENTS 0x17cc
+
+#define USB_PID_RIGKONTROL2 0x1969
+#define USB_PID_RIGKONTROL3 0x1940
+#define USB_PID_KORECONTROLLER 0x4711
+#define USB_PID_KORECONTROLLER2 0x4712
+#define USB_PID_AK1 0x0815
+#define USB_PID_AUDIO2DJ 0x041c
+#define USB_PID_AUDIO4DJ 0x0839
+#define USB_PID_AUDIO8DJ 0x1978
+#define USB_PID_SESSIONIO 0x1915
+#define USB_PID_GUITARRIGMOBILE 0x0d8d
+#define USB_PID_TRAKTORKONTROLX1 0x2305
+#define USB_PID_TRAKTORKONTROLS4 0xbaff
+#define USB_PID_TRAKTORAUDIO2 0x041d
+#define USB_PID_MASCHINECONTROLLER 0x0808
+
+#define EP1_BUFSIZE 64
+#define EP4_BUFSIZE 512
+#define CAIAQ_USB_STR_LEN 0xff
+#define MAX_STREAMS 32
+
+#define MODNAME "snd-usb-caiaq"
+
+#define EP1_CMD_GET_DEVICE_INFO 0x1
+#define EP1_CMD_READ_ERP 0x2
+#define EP1_CMD_READ_ANALOG 0x3
+#define EP1_CMD_READ_IO 0x4
+#define EP1_CMD_WRITE_IO 0x5
+#define EP1_CMD_MIDI_READ 0x6
+#define EP1_CMD_MIDI_WRITE 0x7
+#define EP1_CMD_AUDIO_PARAMS 0x9
+#define EP1_CMD_AUTO_MSG 0xb
+#define EP1_CMD_DIMM_LEDS 0xc
+
+struct caiaq_device_spec {
+ unsigned short fw_version;
+ unsigned char hw_subtype;
+ unsigned char num_erp;
+ unsigned char num_analog_in;
+ unsigned char num_digital_in;
+ unsigned char num_digital_out;
+ unsigned char num_analog_audio_out;
+ unsigned char num_analog_audio_in;
+ unsigned char num_digital_audio_out;
+ unsigned char num_digital_audio_in;
+ unsigned char num_midi_out;
+ unsigned char num_midi_in;
+ unsigned char data_alignment;
+} __attribute__ ((packed));
+
+struct snd_usb_caiaq_cb_info;
+
+struct snd_usb_caiaqdev {
+ struct snd_usb_audio chip;
+
+ struct urb ep1_in_urb;
+ struct urb midi_out_urb;
+ struct urb **data_urbs_in;
+ struct urb **data_urbs_out;
+ struct snd_usb_caiaq_cb_info *data_cb_info;
+
+ unsigned char ep1_in_buf[EP1_BUFSIZE];
+ unsigned char ep1_out_buf[EP1_BUFSIZE];
+ unsigned char midi_out_buf[EP1_BUFSIZE];
+
+ struct caiaq_device_spec spec;
+ spinlock_t spinlock;
+ wait_queue_head_t ep1_wait_queue;
+ wait_queue_head_t prepare_wait_queue;
+ int spec_received, audio_parm_answer;
+ int midi_out_active;
+
+ char vendor_name[CAIAQ_USB_STR_LEN];
+ char product_name[CAIAQ_USB_STR_LEN];
+
+ int n_streams, n_audio_in, n_audio_out;
+ int streaming, first_packet, output_running;
+ int audio_in_buf_pos[MAX_STREAMS];
+ int audio_out_buf_pos[MAX_STREAMS];
+ int period_in_count[MAX_STREAMS];
+ int period_out_count[MAX_STREAMS];
+ int input_panic, output_panic, warned;
+ char *audio_in_buf, *audio_out_buf;
+ unsigned int samplerates, bpp;
+ unsigned long outurb_active_mask;
+
+ struct snd_pcm_substream *sub_playback[MAX_STREAMS];
+ struct snd_pcm_substream *sub_capture[MAX_STREAMS];
+
+ /* Controls */
+ unsigned char control_state[256];
+ unsigned char ep8_out_buf[2];
+
+ /* Linux input */
+#ifdef CONFIG_SND_USB_CAIAQ_INPUT
+ struct input_dev *input_dev;
+ char phys[64]; /* physical device path */
+ unsigned short keycode[128];
+ struct urb *ep4_in_urb;
+ unsigned char ep4_in_buf[EP4_BUFSIZE];
+#endif
+
+ /* ALSA */
+ struct snd_pcm *pcm;
+ struct snd_pcm_hardware pcm_info;
+ struct snd_rawmidi *rmidi;
+ struct snd_rawmidi_substream *midi_receive_substream;
+ struct snd_rawmidi_substream *midi_out_substream;
+};
+
+struct snd_usb_caiaq_cb_info {
+ struct snd_usb_caiaqdev *cdev;
+ int index;
+};
+
+#define caiaqdev(c) ((struct snd_usb_caiaqdev*)(c)->private_data)
+#define caiaqdev_to_dev(d) (d->chip.card->dev)
+
+int snd_usb_caiaq_set_audio_params (struct snd_usb_caiaqdev *cdev, int rate, int depth, int bbp);
+int snd_usb_caiaq_set_auto_msg (struct snd_usb_caiaqdev *cdev, int digital, int analog, int erp);
+int snd_usb_caiaq_send_command(struct snd_usb_caiaqdev *cdev,
+ unsigned char command,
+ const unsigned char *buffer,
+ int len);
+int snd_usb_caiaq_send_command_bank(struct snd_usb_caiaqdev *cdev,
+ unsigned char command,
+ unsigned char bank,
+ const unsigned char *buffer,
+ int len);
+
+#endif /* CAIAQ_DEVICE_H */
diff --git a/sound/usb/caiaq/input.c b/sound/usb/caiaq/input.c
new file mode 100644
index 000000000..84f26dce7
--- /dev/null
+++ b/sound/usb/caiaq/input.c
@@ -0,0 +1,843 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) 2006,2007 Daniel Mack, Tim Ruetz
+*/
+
+#include <linux/device.h>
+#include <linux/gfp.h>
+#include <linux/init.h>
+#include <linux/usb.h>
+#include <linux/usb/input.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+
+#include "device.h"
+#include "input.h"
+
+static const unsigned short keycode_ak1[] = { KEY_C, KEY_B, KEY_A };
+static const unsigned short keycode_rk2[] = { KEY_1, KEY_2, KEY_3, KEY_4,
+ KEY_5, KEY_6, KEY_7 };
+static const unsigned short keycode_rk3[] = { KEY_1, KEY_2, KEY_3, KEY_4,
+ KEY_5, KEY_6, KEY_7, KEY_8, KEY_9 };
+
+static const unsigned short keycode_kore[] = {
+ KEY_FN_F1, /* "menu" */
+ KEY_FN_F7, /* "lcd backlight */
+ KEY_FN_F2, /* "control" */
+ KEY_FN_F3, /* "enter" */
+ KEY_FN_F4, /* "view" */
+ KEY_FN_F5, /* "esc" */
+ KEY_FN_F6, /* "sound" */
+ KEY_FN_F8, /* array spacer, never triggered. */
+ KEY_RIGHT,
+ KEY_DOWN,
+ KEY_UP,
+ KEY_LEFT,
+ KEY_SOUND, /* "listen" */
+ KEY_RECORD,
+ KEY_PLAYPAUSE,
+ KEY_STOP,
+ BTN_4, /* 8 softkeys */
+ BTN_3,
+ BTN_2,
+ BTN_1,
+ BTN_8,
+ BTN_7,
+ BTN_6,
+ BTN_5,
+ KEY_BRL_DOT4, /* touch sensitive knobs */
+ KEY_BRL_DOT3,
+ KEY_BRL_DOT2,
+ KEY_BRL_DOT1,
+ KEY_BRL_DOT8,
+ KEY_BRL_DOT7,
+ KEY_BRL_DOT6,
+ KEY_BRL_DOT5
+};
+
+#define MASCHINE_BUTTONS (42)
+#define MASCHINE_BUTTON(X) ((X) + BTN_MISC)
+#define MASCHINE_PADS (16)
+#define MASCHINE_PAD(X) ((X) + ABS_PRESSURE)
+
+static const unsigned short keycode_maschine[] = {
+ MASCHINE_BUTTON(40), /* mute */
+ MASCHINE_BUTTON(39), /* solo */
+ MASCHINE_BUTTON(38), /* select */
+ MASCHINE_BUTTON(37), /* duplicate */
+ MASCHINE_BUTTON(36), /* navigate */
+ MASCHINE_BUTTON(35), /* pad mode */
+ MASCHINE_BUTTON(34), /* pattern */
+ MASCHINE_BUTTON(33), /* scene */
+ KEY_RESERVED, /* spacer */
+
+ MASCHINE_BUTTON(30), /* rec */
+ MASCHINE_BUTTON(31), /* erase */
+ MASCHINE_BUTTON(32), /* shift */
+ MASCHINE_BUTTON(28), /* grid */
+ MASCHINE_BUTTON(27), /* > */
+ MASCHINE_BUTTON(26), /* < */
+ MASCHINE_BUTTON(25), /* restart */
+
+ MASCHINE_BUTTON(21), /* E */
+ MASCHINE_BUTTON(22), /* F */
+ MASCHINE_BUTTON(23), /* G */
+ MASCHINE_BUTTON(24), /* H */
+ MASCHINE_BUTTON(20), /* D */
+ MASCHINE_BUTTON(19), /* C */
+ MASCHINE_BUTTON(18), /* B */
+ MASCHINE_BUTTON(17), /* A */
+
+ MASCHINE_BUTTON(0), /* control */
+ MASCHINE_BUTTON(2), /* browse */
+ MASCHINE_BUTTON(4), /* < */
+ MASCHINE_BUTTON(6), /* snap */
+ MASCHINE_BUTTON(7), /* autowrite */
+ MASCHINE_BUTTON(5), /* > */
+ MASCHINE_BUTTON(3), /* sampling */
+ MASCHINE_BUTTON(1), /* step */
+
+ MASCHINE_BUTTON(15), /* 8 softkeys */
+ MASCHINE_BUTTON(14),
+ MASCHINE_BUTTON(13),
+ MASCHINE_BUTTON(12),
+ MASCHINE_BUTTON(11),
+ MASCHINE_BUTTON(10),
+ MASCHINE_BUTTON(9),
+ MASCHINE_BUTTON(8),
+
+ MASCHINE_BUTTON(16), /* note repeat */
+ MASCHINE_BUTTON(29) /* play */
+};
+
+#define KONTROLX1_INPUTS (40)
+#define KONTROLS4_BUTTONS (12 * 8)
+#define KONTROLS4_AXIS (46)
+
+#define KONTROLS4_BUTTON(X) ((X) + BTN_MISC)
+#define KONTROLS4_ABS(X) ((X) + ABS_HAT0X)
+
+#define DEG90 (range / 2)
+#define DEG180 (range)
+#define DEG270 (DEG90 + DEG180)
+#define DEG360 (DEG180 * 2)
+#define HIGH_PEAK (268)
+#define LOW_PEAK (-7)
+
+/* some of these devices have endless rotation potentiometers
+ * built in which use two tapers, 90 degrees phase shifted.
+ * this algorithm decodes them to one single value, ranging
+ * from 0 to 999 */
+static unsigned int decode_erp(unsigned char a, unsigned char b)
+{
+ int weight_a, weight_b;
+ int pos_a, pos_b;
+ int ret;
+ int range = HIGH_PEAK - LOW_PEAK;
+ int mid_value = (HIGH_PEAK + LOW_PEAK) / 2;
+
+ weight_b = abs(mid_value - a) - (range / 2 - 100) / 2;
+
+ if (weight_b < 0)
+ weight_b = 0;
+
+ if (weight_b > 100)
+ weight_b = 100;
+
+ weight_a = 100 - weight_b;
+
+ if (a < mid_value) {
+ /* 0..90 and 270..360 degrees */
+ pos_b = b - LOW_PEAK + DEG270;
+ if (pos_b >= DEG360)
+ pos_b -= DEG360;
+ } else
+ /* 90..270 degrees */
+ pos_b = HIGH_PEAK - b + DEG90;
+
+
+ if (b > mid_value)
+ /* 0..180 degrees */
+ pos_a = a - LOW_PEAK;
+ else
+ /* 180..360 degrees */
+ pos_a = HIGH_PEAK - a + DEG180;
+
+ /* interpolate both slider values, depending on weight factors */
+ /* 0..99 x DEG360 */
+ ret = pos_a * weight_a + pos_b * weight_b;
+
+ /* normalize to 0..999 */
+ ret *= 10;
+ ret /= DEG360;
+
+ if (ret < 0)
+ ret += 1000;
+
+ if (ret >= 1000)
+ ret -= 1000;
+
+ return ret;
+}
+
+#undef DEG90
+#undef DEG180
+#undef DEG270
+#undef DEG360
+#undef HIGH_PEAK
+#undef LOW_PEAK
+
+static inline void snd_caiaq_input_report_abs(struct snd_usb_caiaqdev *cdev,
+ int axis, const unsigned char *buf,
+ int offset)
+{
+ input_report_abs(cdev->input_dev, axis,
+ (buf[offset * 2] << 8) | buf[offset * 2 + 1]);
+}
+
+static void snd_caiaq_input_read_analog(struct snd_usb_caiaqdev *cdev,
+ const unsigned char *buf,
+ unsigned int len)
+{
+ struct input_dev *input_dev = cdev->input_dev;
+
+ switch (cdev->chip.usb_id) {
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL2):
+ snd_caiaq_input_report_abs(cdev, ABS_X, buf, 2);
+ snd_caiaq_input_report_abs(cdev, ABS_Y, buf, 0);
+ snd_caiaq_input_report_abs(cdev, ABS_Z, buf, 1);
+ break;
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL3):
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER):
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER2):
+ snd_caiaq_input_report_abs(cdev, ABS_X, buf, 0);
+ snd_caiaq_input_report_abs(cdev, ABS_Y, buf, 1);
+ snd_caiaq_input_report_abs(cdev, ABS_Z, buf, 2);
+ break;
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
+ snd_caiaq_input_report_abs(cdev, ABS_HAT0X, buf, 4);
+ snd_caiaq_input_report_abs(cdev, ABS_HAT0Y, buf, 2);
+ snd_caiaq_input_report_abs(cdev, ABS_HAT1X, buf, 6);
+ snd_caiaq_input_report_abs(cdev, ABS_HAT1Y, buf, 1);
+ snd_caiaq_input_report_abs(cdev, ABS_HAT2X, buf, 7);
+ snd_caiaq_input_report_abs(cdev, ABS_HAT2Y, buf, 0);
+ snd_caiaq_input_report_abs(cdev, ABS_HAT3X, buf, 5);
+ snd_caiaq_input_report_abs(cdev, ABS_HAT3Y, buf, 3);
+ break;
+ }
+
+ input_sync(input_dev);
+}
+
+static void snd_caiaq_input_read_erp(struct snd_usb_caiaqdev *cdev,
+ const char *buf, unsigned int len)
+{
+ struct input_dev *input_dev = cdev->input_dev;
+ int i;
+
+ switch (cdev->chip.usb_id) {
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AK1):
+ i = decode_erp(buf[0], buf[1]);
+ input_report_abs(input_dev, ABS_X, i);
+ input_sync(input_dev);
+ break;
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER):
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER2):
+ i = decode_erp(buf[7], buf[5]);
+ input_report_abs(input_dev, ABS_HAT0X, i);
+ i = decode_erp(buf[12], buf[14]);
+ input_report_abs(input_dev, ABS_HAT0Y, i);
+ i = decode_erp(buf[15], buf[13]);
+ input_report_abs(input_dev, ABS_HAT1X, i);
+ i = decode_erp(buf[0], buf[2]);
+ input_report_abs(input_dev, ABS_HAT1Y, i);
+ i = decode_erp(buf[3], buf[1]);
+ input_report_abs(input_dev, ABS_HAT2X, i);
+ i = decode_erp(buf[8], buf[10]);
+ input_report_abs(input_dev, ABS_HAT2Y, i);
+ i = decode_erp(buf[11], buf[9]);
+ input_report_abs(input_dev, ABS_HAT3X, i);
+ i = decode_erp(buf[4], buf[6]);
+ input_report_abs(input_dev, ABS_HAT3Y, i);
+ input_sync(input_dev);
+ break;
+
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER):
+ /* 4 under the left screen */
+ input_report_abs(input_dev, ABS_HAT0X, decode_erp(buf[21], buf[20]));
+ input_report_abs(input_dev, ABS_HAT0Y, decode_erp(buf[15], buf[14]));
+ input_report_abs(input_dev, ABS_HAT1X, decode_erp(buf[9], buf[8]));
+ input_report_abs(input_dev, ABS_HAT1Y, decode_erp(buf[3], buf[2]));
+
+ /* 4 under the right screen */
+ input_report_abs(input_dev, ABS_HAT2X, decode_erp(buf[19], buf[18]));
+ input_report_abs(input_dev, ABS_HAT2Y, decode_erp(buf[13], buf[12]));
+ input_report_abs(input_dev, ABS_HAT3X, decode_erp(buf[7], buf[6]));
+ input_report_abs(input_dev, ABS_HAT3Y, decode_erp(buf[1], buf[0]));
+
+ /* volume */
+ input_report_abs(input_dev, ABS_RX, decode_erp(buf[17], buf[16]));
+ /* tempo */
+ input_report_abs(input_dev, ABS_RY, decode_erp(buf[11], buf[10]));
+ /* swing */
+ input_report_abs(input_dev, ABS_RZ, decode_erp(buf[5], buf[4]));
+
+ input_sync(input_dev);
+ break;
+ }
+}
+
+static void snd_caiaq_input_read_io(struct snd_usb_caiaqdev *cdev,
+ unsigned char *buf, unsigned int len)
+{
+ struct input_dev *input_dev = cdev->input_dev;
+ unsigned short *keycode = input_dev->keycode;
+ int i;
+
+ if (!keycode)
+ return;
+
+ if (input_dev->id.product == USB_PID_RIGKONTROL2)
+ for (i = 0; i < len; i++)
+ buf[i] = ~buf[i];
+
+ for (i = 0; i < input_dev->keycodemax && i < len * 8; i++)
+ input_report_key(input_dev, keycode[i],
+ buf[i / 8] & (1 << (i % 8)));
+
+ switch (cdev->chip.usb_id) {
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER):
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER2):
+ input_report_abs(cdev->input_dev, ABS_MISC, 255 - buf[4]);
+ break;
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
+ /* rotary encoders */
+ input_report_abs(cdev->input_dev, ABS_X, buf[5] & 0xf);
+ input_report_abs(cdev->input_dev, ABS_Y, buf[5] >> 4);
+ input_report_abs(cdev->input_dev, ABS_Z, buf[6] & 0xf);
+ input_report_abs(cdev->input_dev, ABS_MISC, buf[6] >> 4);
+ break;
+ }
+
+ input_sync(input_dev);
+}
+
+#define TKS4_MSGBLOCK_SIZE 16
+
+static void snd_usb_caiaq_tks4_dispatch(struct snd_usb_caiaqdev *cdev,
+ const unsigned char *buf,
+ unsigned int len)
+{
+ struct device *dev = caiaqdev_to_dev(cdev);
+
+ while (len) {
+ unsigned int i, block_id = (buf[0] << 8) | buf[1];
+
+ switch (block_id) {
+ case 0:
+ /* buttons */
+ for (i = 0; i < KONTROLS4_BUTTONS; i++)
+ input_report_key(cdev->input_dev, KONTROLS4_BUTTON(i),
+ (buf[4 + (i / 8)] >> (i % 8)) & 1);
+ break;
+
+ case 1:
+ /* left wheel */
+ input_report_abs(cdev->input_dev, KONTROLS4_ABS(36), buf[9] | ((buf[8] & 0x3) << 8));
+ /* right wheel */
+ input_report_abs(cdev->input_dev, KONTROLS4_ABS(37), buf[13] | ((buf[12] & 0x3) << 8));
+
+ /* rotary encoders */
+ input_report_abs(cdev->input_dev, KONTROLS4_ABS(38), buf[3] & 0xf);
+ input_report_abs(cdev->input_dev, KONTROLS4_ABS(39), buf[4] >> 4);
+ input_report_abs(cdev->input_dev, KONTROLS4_ABS(40), buf[4] & 0xf);
+ input_report_abs(cdev->input_dev, KONTROLS4_ABS(41), buf[5] >> 4);
+ input_report_abs(cdev->input_dev, KONTROLS4_ABS(42), buf[5] & 0xf);
+ input_report_abs(cdev->input_dev, KONTROLS4_ABS(43), buf[6] >> 4);
+ input_report_abs(cdev->input_dev, KONTROLS4_ABS(44), buf[6] & 0xf);
+ input_report_abs(cdev->input_dev, KONTROLS4_ABS(45), buf[7] >> 4);
+ input_report_abs(cdev->input_dev, KONTROLS4_ABS(46), buf[7] & 0xf);
+
+ break;
+ case 2:
+ /* Volume Fader Channel D */
+ snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(0), buf, 1);
+ /* Volume Fader Channel B */
+ snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(1), buf, 2);
+ /* Volume Fader Channel A */
+ snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(2), buf, 3);
+ /* Volume Fader Channel C */
+ snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(3), buf, 4);
+ /* Loop Volume */
+ snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(4), buf, 6);
+ /* Crossfader */
+ snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(7), buf, 7);
+
+ break;
+
+ case 3:
+ /* Tempo Fader R */
+ snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(6), buf, 3);
+ /* Tempo Fader L */
+ snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(5), buf, 4);
+ /* Mic Volume */
+ snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(8), buf, 6);
+ /* Cue Mix */
+ snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(9), buf, 7);
+
+ break;
+
+ case 4:
+ /* Wheel distance sensor L */
+ snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(10), buf, 1);
+ /* Wheel distance sensor R */
+ snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(11), buf, 2);
+ /* Channel D EQ - Filter */
+ snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(12), buf, 3);
+ /* Channel D EQ - Low */
+ snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(13), buf, 4);
+ /* Channel D EQ - Mid */
+ snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(14), buf, 5);
+ /* Channel D EQ - Hi */
+ snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(15), buf, 6);
+ /* FX2 - dry/wet */
+ snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(16), buf, 7);
+
+ break;
+
+ case 5:
+ /* FX2 - 1 */
+ snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(17), buf, 1);
+ /* FX2 - 2 */
+ snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(18), buf, 2);
+ /* FX2 - 3 */
+ snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(19), buf, 3);
+ /* Channel B EQ - Filter */
+ snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(20), buf, 4);
+ /* Channel B EQ - Low */
+ snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(21), buf, 5);
+ /* Channel B EQ - Mid */
+ snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(22), buf, 6);
+ /* Channel B EQ - Hi */
+ snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(23), buf, 7);
+
+ break;
+
+ case 6:
+ /* Channel A EQ - Filter */
+ snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(24), buf, 1);
+ /* Channel A EQ - Low */
+ snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(25), buf, 2);
+ /* Channel A EQ - Mid */
+ snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(26), buf, 3);
+ /* Channel A EQ - Hi */
+ snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(27), buf, 4);
+ /* Channel C EQ - Filter */
+ snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(28), buf, 5);
+ /* Channel C EQ - Low */
+ snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(29), buf, 6);
+ /* Channel C EQ - Mid */
+ snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(30), buf, 7);
+
+ break;
+
+ case 7:
+ /* Channel C EQ - Hi */
+ snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(31), buf, 1);
+ /* FX1 - wet/dry */
+ snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(32), buf, 2);
+ /* FX1 - 1 */
+ snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(33), buf, 3);
+ /* FX1 - 2 */
+ snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(34), buf, 4);
+ /* FX1 - 3 */
+ snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(35), buf, 5);
+
+ break;
+
+ default:
+ dev_dbg(dev, "%s(): bogus block (id %d)\n",
+ __func__, block_id);
+ return;
+ }
+
+ len -= TKS4_MSGBLOCK_SIZE;
+ buf += TKS4_MSGBLOCK_SIZE;
+ }
+
+ input_sync(cdev->input_dev);
+}
+
+#define MASCHINE_MSGBLOCK_SIZE 2
+
+static void snd_usb_caiaq_maschine_dispatch(struct snd_usb_caiaqdev *cdev,
+ const unsigned char *buf,
+ unsigned int len)
+{
+ unsigned int i, pad_id;
+ __le16 *pressure = (__le16 *) buf;
+
+ for (i = 0; i < MASCHINE_PADS; i++) {
+ pad_id = le16_to_cpu(*pressure) >> 12;
+ input_report_abs(cdev->input_dev, MASCHINE_PAD(pad_id),
+ le16_to_cpu(*pressure) & 0xfff);
+ pressure++;
+ }
+
+ input_sync(cdev->input_dev);
+}
+
+static void snd_usb_caiaq_ep4_reply_dispatch(struct urb *urb)
+{
+ struct snd_usb_caiaqdev *cdev = urb->context;
+ unsigned char *buf = urb->transfer_buffer;
+ struct device *dev = &urb->dev->dev;
+ int ret;
+
+ if (urb->status || !cdev || urb != cdev->ep4_in_urb)
+ return;
+
+ switch (cdev->chip.usb_id) {
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
+ if (urb->actual_length < 24)
+ goto requeue;
+
+ if (buf[0] & 0x3)
+ snd_caiaq_input_read_io(cdev, buf + 1, 7);
+
+ if (buf[0] & 0x4)
+ snd_caiaq_input_read_analog(cdev, buf + 8, 16);
+
+ break;
+
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLS4):
+ snd_usb_caiaq_tks4_dispatch(cdev, buf, urb->actual_length);
+ break;
+
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER):
+ if (urb->actual_length < (MASCHINE_PADS * MASCHINE_MSGBLOCK_SIZE))
+ goto requeue;
+
+ snd_usb_caiaq_maschine_dispatch(cdev, buf, urb->actual_length);
+ break;
+ }
+
+requeue:
+ cdev->ep4_in_urb->actual_length = 0;
+ ret = usb_submit_urb(cdev->ep4_in_urb, GFP_ATOMIC);
+ if (ret < 0)
+ dev_err(dev, "unable to submit urb. OOM!?\n");
+}
+
+static int snd_usb_caiaq_input_open(struct input_dev *idev)
+{
+ struct snd_usb_caiaqdev *cdev = input_get_drvdata(idev);
+
+ if (!cdev)
+ return -EINVAL;
+
+ switch (cdev->chip.usb_id) {
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLS4):
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER):
+ if (usb_submit_urb(cdev->ep4_in_urb, GFP_KERNEL) != 0)
+ return -EIO;
+ break;
+ }
+
+ return 0;
+}
+
+static void snd_usb_caiaq_input_close(struct input_dev *idev)
+{
+ struct snd_usb_caiaqdev *cdev = input_get_drvdata(idev);
+
+ if (!cdev)
+ return;
+
+ switch (cdev->chip.usb_id) {
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLS4):
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER):
+ usb_kill_urb(cdev->ep4_in_urb);
+ break;
+ }
+}
+
+void snd_usb_caiaq_input_dispatch(struct snd_usb_caiaqdev *cdev,
+ char *buf,
+ unsigned int len)
+{
+ if (!cdev->input_dev || len < 1)
+ return;
+
+ switch (buf[0]) {
+ case EP1_CMD_READ_ANALOG:
+ snd_caiaq_input_read_analog(cdev, buf + 1, len - 1);
+ break;
+ case EP1_CMD_READ_ERP:
+ snd_caiaq_input_read_erp(cdev, buf + 1, len - 1);
+ break;
+ case EP1_CMD_READ_IO:
+ snd_caiaq_input_read_io(cdev, buf + 1, len - 1);
+ break;
+ }
+}
+
+int snd_usb_caiaq_input_init(struct snd_usb_caiaqdev *cdev)
+{
+ struct usb_device *usb_dev = cdev->chip.dev;
+ struct input_dev *input;
+ int i, ret = 0;
+
+ input = input_allocate_device();
+ if (!input)
+ return -ENOMEM;
+
+ usb_make_path(usb_dev, cdev->phys, sizeof(cdev->phys));
+ strlcat(cdev->phys, "/input0", sizeof(cdev->phys));
+
+ input->name = cdev->product_name;
+ input->phys = cdev->phys;
+ usb_to_input_id(usb_dev, &input->id);
+ input->dev.parent = &usb_dev->dev;
+
+ input_set_drvdata(input, cdev);
+
+ switch (cdev->chip.usb_id) {
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL2):
+ input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
+ input->absbit[0] = BIT_MASK(ABS_X) | BIT_MASK(ABS_Y) |
+ BIT_MASK(ABS_Z);
+ BUILD_BUG_ON(sizeof(cdev->keycode) < sizeof(keycode_rk2));
+ memcpy(cdev->keycode, keycode_rk2, sizeof(keycode_rk2));
+ input->keycodemax = ARRAY_SIZE(keycode_rk2);
+ input_set_abs_params(input, ABS_X, 0, 4096, 0, 10);
+ input_set_abs_params(input, ABS_Y, 0, 4096, 0, 10);
+ input_set_abs_params(input, ABS_Z, 0, 4096, 0, 10);
+ snd_usb_caiaq_set_auto_msg(cdev, 1, 10, 0);
+ break;
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL3):
+ input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
+ input->absbit[0] = BIT_MASK(ABS_X) | BIT_MASK(ABS_Y) |
+ BIT_MASK(ABS_Z);
+ BUILD_BUG_ON(sizeof(cdev->keycode) < sizeof(keycode_rk3));
+ memcpy(cdev->keycode, keycode_rk3, sizeof(keycode_rk3));
+ input->keycodemax = ARRAY_SIZE(keycode_rk3);
+ input_set_abs_params(input, ABS_X, 0, 1024, 0, 10);
+ input_set_abs_params(input, ABS_Y, 0, 1024, 0, 10);
+ input_set_abs_params(input, ABS_Z, 0, 1024, 0, 10);
+ snd_usb_caiaq_set_auto_msg(cdev, 1, 10, 0);
+ break;
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AK1):
+ input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
+ input->absbit[0] = BIT_MASK(ABS_X);
+ BUILD_BUG_ON(sizeof(cdev->keycode) < sizeof(keycode_ak1));
+ memcpy(cdev->keycode, keycode_ak1, sizeof(keycode_ak1));
+ input->keycodemax = ARRAY_SIZE(keycode_ak1);
+ input_set_abs_params(input, ABS_X, 0, 999, 0, 10);
+ snd_usb_caiaq_set_auto_msg(cdev, 1, 0, 5);
+ break;
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER):
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER2):
+ input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
+ input->absbit[0] = BIT_MASK(ABS_HAT0X) | BIT_MASK(ABS_HAT0Y) |
+ BIT_MASK(ABS_HAT1X) | BIT_MASK(ABS_HAT1Y) |
+ BIT_MASK(ABS_HAT2X) | BIT_MASK(ABS_HAT2Y) |
+ BIT_MASK(ABS_HAT3X) | BIT_MASK(ABS_HAT3Y) |
+ BIT_MASK(ABS_X) | BIT_MASK(ABS_Y) |
+ BIT_MASK(ABS_Z);
+ input->absbit[BIT_WORD(ABS_MISC)] |= BIT_MASK(ABS_MISC);
+ BUILD_BUG_ON(sizeof(cdev->keycode) < sizeof(keycode_kore));
+ memcpy(cdev->keycode, keycode_kore, sizeof(keycode_kore));
+ input->keycodemax = ARRAY_SIZE(keycode_kore);
+ input_set_abs_params(input, ABS_HAT0X, 0, 999, 0, 10);
+ input_set_abs_params(input, ABS_HAT0Y, 0, 999, 0, 10);
+ input_set_abs_params(input, ABS_HAT1X, 0, 999, 0, 10);
+ input_set_abs_params(input, ABS_HAT1Y, 0, 999, 0, 10);
+ input_set_abs_params(input, ABS_HAT2X, 0, 999, 0, 10);
+ input_set_abs_params(input, ABS_HAT2Y, 0, 999, 0, 10);
+ input_set_abs_params(input, ABS_HAT3X, 0, 999, 0, 10);
+ input_set_abs_params(input, ABS_HAT3Y, 0, 999, 0, 10);
+ input_set_abs_params(input, ABS_X, 0, 4096, 0, 10);
+ input_set_abs_params(input, ABS_Y, 0, 4096, 0, 10);
+ input_set_abs_params(input, ABS_Z, 0, 4096, 0, 10);
+ input_set_abs_params(input, ABS_MISC, 0, 255, 0, 1);
+ snd_usb_caiaq_set_auto_msg(cdev, 1, 10, 5);
+ break;
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
+ input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
+ input->absbit[0] = BIT_MASK(ABS_HAT0X) | BIT_MASK(ABS_HAT0Y) |
+ BIT_MASK(ABS_HAT1X) | BIT_MASK(ABS_HAT1Y) |
+ BIT_MASK(ABS_HAT2X) | BIT_MASK(ABS_HAT2Y) |
+ BIT_MASK(ABS_HAT3X) | BIT_MASK(ABS_HAT3Y) |
+ BIT_MASK(ABS_X) | BIT_MASK(ABS_Y) |
+ BIT_MASK(ABS_Z);
+ input->absbit[BIT_WORD(ABS_MISC)] |= BIT_MASK(ABS_MISC);
+ BUILD_BUG_ON(sizeof(cdev->keycode) < KONTROLX1_INPUTS);
+ for (i = 0; i < KONTROLX1_INPUTS; i++)
+ cdev->keycode[i] = BTN_MISC + i;
+ input->keycodemax = KONTROLX1_INPUTS;
+
+ /* analog potentiometers */
+ input_set_abs_params(input, ABS_HAT0X, 0, 4096, 0, 10);
+ input_set_abs_params(input, ABS_HAT0Y, 0, 4096, 0, 10);
+ input_set_abs_params(input, ABS_HAT1X, 0, 4096, 0, 10);
+ input_set_abs_params(input, ABS_HAT1Y, 0, 4096, 0, 10);
+ input_set_abs_params(input, ABS_HAT2X, 0, 4096, 0, 10);
+ input_set_abs_params(input, ABS_HAT2Y, 0, 4096, 0, 10);
+ input_set_abs_params(input, ABS_HAT3X, 0, 4096, 0, 10);
+ input_set_abs_params(input, ABS_HAT3Y, 0, 4096, 0, 10);
+
+ /* rotary encoders */
+ input_set_abs_params(input, ABS_X, 0, 0xf, 0, 1);
+ input_set_abs_params(input, ABS_Y, 0, 0xf, 0, 1);
+ input_set_abs_params(input, ABS_Z, 0, 0xf, 0, 1);
+ input_set_abs_params(input, ABS_MISC, 0, 0xf, 0, 1);
+
+ cdev->ep4_in_urb = usb_alloc_urb(0, GFP_KERNEL);
+ if (!cdev->ep4_in_urb) {
+ ret = -ENOMEM;
+ goto exit_free_idev;
+ }
+
+ usb_fill_bulk_urb(cdev->ep4_in_urb, usb_dev,
+ usb_rcvbulkpipe(usb_dev, 0x4),
+ cdev->ep4_in_buf, EP4_BUFSIZE,
+ snd_usb_caiaq_ep4_reply_dispatch, cdev);
+ ret = usb_urb_ep_type_check(cdev->ep4_in_urb);
+ if (ret < 0)
+ goto exit_free_idev;
+
+ snd_usb_caiaq_set_auto_msg(cdev, 1, 10, 5);
+
+ break;
+
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLS4):
+ input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
+ BUILD_BUG_ON(sizeof(cdev->keycode) < KONTROLS4_BUTTONS);
+ for (i = 0; i < KONTROLS4_BUTTONS; i++)
+ cdev->keycode[i] = KONTROLS4_BUTTON(i);
+ input->keycodemax = KONTROLS4_BUTTONS;
+
+ for (i = 0; i < KONTROLS4_AXIS; i++) {
+ int axis = KONTROLS4_ABS(i);
+ input->absbit[BIT_WORD(axis)] |= BIT_MASK(axis);
+ }
+
+ /* 36 analog potentiometers and faders */
+ for (i = 0; i < 36; i++)
+ input_set_abs_params(input, KONTROLS4_ABS(i), 0, 0xfff, 0, 10);
+
+ /* 2 encoder wheels */
+ input_set_abs_params(input, KONTROLS4_ABS(36), 0, 0x3ff, 0, 1);
+ input_set_abs_params(input, KONTROLS4_ABS(37), 0, 0x3ff, 0, 1);
+
+ /* 9 rotary encoders */
+ for (i = 0; i < 9; i++)
+ input_set_abs_params(input, KONTROLS4_ABS(38+i), 0, 0xf, 0, 1);
+
+ cdev->ep4_in_urb = usb_alloc_urb(0, GFP_KERNEL);
+ if (!cdev->ep4_in_urb) {
+ ret = -ENOMEM;
+ goto exit_free_idev;
+ }
+
+ usb_fill_bulk_urb(cdev->ep4_in_urb, usb_dev,
+ usb_rcvbulkpipe(usb_dev, 0x4),
+ cdev->ep4_in_buf, EP4_BUFSIZE,
+ snd_usb_caiaq_ep4_reply_dispatch, cdev);
+ ret = usb_urb_ep_type_check(cdev->ep4_in_urb);
+ if (ret < 0)
+ goto exit_free_idev;
+
+ snd_usb_caiaq_set_auto_msg(cdev, 1, 10, 5);
+
+ break;
+
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER):
+ input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
+ input->absbit[0] = BIT_MASK(ABS_HAT0X) | BIT_MASK(ABS_HAT0Y) |
+ BIT_MASK(ABS_HAT1X) | BIT_MASK(ABS_HAT1Y) |
+ BIT_MASK(ABS_HAT2X) | BIT_MASK(ABS_HAT2Y) |
+ BIT_MASK(ABS_HAT3X) | BIT_MASK(ABS_HAT3Y) |
+ BIT_MASK(ABS_RX) | BIT_MASK(ABS_RY) |
+ BIT_MASK(ABS_RZ);
+
+ BUILD_BUG_ON(sizeof(cdev->keycode) < sizeof(keycode_maschine));
+ memcpy(cdev->keycode, keycode_maschine, sizeof(keycode_maschine));
+ input->keycodemax = ARRAY_SIZE(keycode_maschine);
+
+ for (i = 0; i < MASCHINE_PADS; i++) {
+ input->absbit[0] |= MASCHINE_PAD(i);
+ input_set_abs_params(input, MASCHINE_PAD(i), 0, 0xfff, 5, 10);
+ }
+
+ input_set_abs_params(input, ABS_HAT0X, 0, 999, 0, 10);
+ input_set_abs_params(input, ABS_HAT0Y, 0, 999, 0, 10);
+ input_set_abs_params(input, ABS_HAT1X, 0, 999, 0, 10);
+ input_set_abs_params(input, ABS_HAT1Y, 0, 999, 0, 10);
+ input_set_abs_params(input, ABS_HAT2X, 0, 999, 0, 10);
+ input_set_abs_params(input, ABS_HAT2Y, 0, 999, 0, 10);
+ input_set_abs_params(input, ABS_HAT3X, 0, 999, 0, 10);
+ input_set_abs_params(input, ABS_HAT3Y, 0, 999, 0, 10);
+ input_set_abs_params(input, ABS_RX, 0, 999, 0, 10);
+ input_set_abs_params(input, ABS_RY, 0, 999, 0, 10);
+ input_set_abs_params(input, ABS_RZ, 0, 999, 0, 10);
+
+ cdev->ep4_in_urb = usb_alloc_urb(0, GFP_KERNEL);
+ if (!cdev->ep4_in_urb) {
+ ret = -ENOMEM;
+ goto exit_free_idev;
+ }
+
+ usb_fill_bulk_urb(cdev->ep4_in_urb, usb_dev,
+ usb_rcvbulkpipe(usb_dev, 0x4),
+ cdev->ep4_in_buf, EP4_BUFSIZE,
+ snd_usb_caiaq_ep4_reply_dispatch, cdev);
+ ret = usb_urb_ep_type_check(cdev->ep4_in_urb);
+ if (ret < 0)
+ goto exit_free_idev;
+
+ snd_usb_caiaq_set_auto_msg(cdev, 1, 10, 5);
+ break;
+
+ default:
+ /* no input methods supported on this device */
+ ret = -EINVAL;
+ goto exit_free_idev;
+ }
+
+ input->open = snd_usb_caiaq_input_open;
+ input->close = snd_usb_caiaq_input_close;
+ input->keycode = cdev->keycode;
+ input->keycodesize = sizeof(unsigned short);
+ for (i = 0; i < input->keycodemax; i++)
+ __set_bit(cdev->keycode[i], input->keybit);
+
+ cdev->input_dev = input;
+
+ ret = input_register_device(input);
+ if (ret < 0)
+ goto exit_free_idev;
+
+ return 0;
+
+exit_free_idev:
+ input_free_device(input);
+ cdev->input_dev = NULL;
+ return ret;
+}
+
+void snd_usb_caiaq_input_free(struct snd_usb_caiaqdev *cdev)
+{
+ if (!cdev || !cdev->input_dev)
+ return;
+
+ usb_kill_urb(cdev->ep4_in_urb);
+ usb_free_urb(cdev->ep4_in_urb);
+ cdev->ep4_in_urb = NULL;
+
+ input_unregister_device(cdev->input_dev);
+ cdev->input_dev = NULL;
+}
diff --git a/sound/usb/caiaq/input.h b/sound/usb/caiaq/input.h
new file mode 100644
index 000000000..c42891e7b
--- /dev/null
+++ b/sound/usb/caiaq/input.h
@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef CAIAQ_INPUT_H
+#define CAIAQ_INPUT_H
+
+void snd_usb_caiaq_input_dispatch(struct snd_usb_caiaqdev *cdev, char *buf, unsigned int len);
+int snd_usb_caiaq_input_init(struct snd_usb_caiaqdev *cdev);
+void snd_usb_caiaq_input_free(struct snd_usb_caiaqdev *cdev);
+
+#endif
diff --git a/sound/usb/caiaq/midi.c b/sound/usb/caiaq/midi.c
new file mode 100644
index 000000000..512fbb3ee
--- /dev/null
+++ b/sound/usb/caiaq/midi.c
@@ -0,0 +1,162 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) 2006,2007 Daniel Mack
+*/
+
+#include <linux/device.h>
+#include <linux/usb.h>
+#include <linux/gfp.h>
+#include <sound/rawmidi.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+
+#include "device.h"
+#include "midi.h"
+
+static int snd_usb_caiaq_midi_input_open(struct snd_rawmidi_substream *substream)
+{
+ return 0;
+}
+
+static int snd_usb_caiaq_midi_input_close(struct snd_rawmidi_substream *substream)
+{
+ return 0;
+}
+
+static void snd_usb_caiaq_midi_input_trigger(struct snd_rawmidi_substream *substream, int up)
+{
+ struct snd_usb_caiaqdev *cdev = substream->rmidi->private_data;
+
+ if (!cdev)
+ return;
+
+ cdev->midi_receive_substream = up ? substream : NULL;
+}
+
+
+static int snd_usb_caiaq_midi_output_open(struct snd_rawmidi_substream *substream)
+{
+ return 0;
+}
+
+static int snd_usb_caiaq_midi_output_close(struct snd_rawmidi_substream *substream)
+{
+ struct snd_usb_caiaqdev *cdev = substream->rmidi->private_data;
+ if (cdev->midi_out_active) {
+ usb_kill_urb(&cdev->midi_out_urb);
+ cdev->midi_out_active = 0;
+ }
+ return 0;
+}
+
+static void snd_usb_caiaq_midi_send(struct snd_usb_caiaqdev *cdev,
+ struct snd_rawmidi_substream *substream)
+{
+ int len, ret;
+ struct device *dev = caiaqdev_to_dev(cdev);
+
+ cdev->midi_out_buf[0] = EP1_CMD_MIDI_WRITE;
+ cdev->midi_out_buf[1] = 0; /* port */
+ len = snd_rawmidi_transmit(substream, cdev->midi_out_buf + 3,
+ EP1_BUFSIZE - 3);
+
+ if (len <= 0)
+ return;
+
+ cdev->midi_out_buf[2] = len;
+ cdev->midi_out_urb.transfer_buffer_length = len+3;
+
+ ret = usb_submit_urb(&cdev->midi_out_urb, GFP_ATOMIC);
+ if (ret < 0)
+ dev_err(dev,
+ "snd_usb_caiaq_midi_send(%p): usb_submit_urb() failed,"
+ "ret=%d, len=%d\n", substream, ret, len);
+ else
+ cdev->midi_out_active = 1;
+}
+
+static void snd_usb_caiaq_midi_output_trigger(struct snd_rawmidi_substream *substream, int up)
+{
+ struct snd_usb_caiaqdev *cdev = substream->rmidi->private_data;
+
+ if (up) {
+ cdev->midi_out_substream = substream;
+ if (!cdev->midi_out_active)
+ snd_usb_caiaq_midi_send(cdev, substream);
+ } else {
+ cdev->midi_out_substream = NULL;
+ }
+}
+
+
+static const struct snd_rawmidi_ops snd_usb_caiaq_midi_output =
+{
+ .open = snd_usb_caiaq_midi_output_open,
+ .close = snd_usb_caiaq_midi_output_close,
+ .trigger = snd_usb_caiaq_midi_output_trigger,
+};
+
+static const struct snd_rawmidi_ops snd_usb_caiaq_midi_input =
+{
+ .open = snd_usb_caiaq_midi_input_open,
+ .close = snd_usb_caiaq_midi_input_close,
+ .trigger = snd_usb_caiaq_midi_input_trigger,
+};
+
+void snd_usb_caiaq_midi_handle_input(struct snd_usb_caiaqdev *cdev,
+ int port, const char *buf, int len)
+{
+ if (!cdev->midi_receive_substream)
+ return;
+
+ snd_rawmidi_receive(cdev->midi_receive_substream, buf, len);
+}
+
+int snd_usb_caiaq_midi_init(struct snd_usb_caiaqdev *device)
+{
+ int ret;
+ struct snd_rawmidi *rmidi;
+
+ ret = snd_rawmidi_new(device->chip.card, device->product_name, 0,
+ device->spec.num_midi_out,
+ device->spec.num_midi_in,
+ &rmidi);
+
+ if (ret < 0)
+ return ret;
+
+ strlcpy(rmidi->name, device->product_name, sizeof(rmidi->name));
+
+ rmidi->info_flags = SNDRV_RAWMIDI_INFO_DUPLEX;
+ rmidi->private_data = device;
+
+ if (device->spec.num_midi_out > 0) {
+ rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT;
+ snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT,
+ &snd_usb_caiaq_midi_output);
+ }
+
+ if (device->spec.num_midi_in > 0) {
+ rmidi->info_flags |= SNDRV_RAWMIDI_INFO_INPUT;
+ snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT,
+ &snd_usb_caiaq_midi_input);
+ }
+
+ device->rmidi = rmidi;
+
+ return 0;
+}
+
+void snd_usb_caiaq_midi_output_done(struct urb* urb)
+{
+ struct snd_usb_caiaqdev *cdev = urb->context;
+
+ cdev->midi_out_active = 0;
+ if (urb->status != 0)
+ return;
+
+ if (!cdev->midi_out_substream)
+ return;
+
+ snd_usb_caiaq_midi_send(cdev, cdev->midi_out_substream);
+}
diff --git a/sound/usb/caiaq/midi.h b/sound/usb/caiaq/midi.h
new file mode 100644
index 000000000..a6ae0c224
--- /dev/null
+++ b/sound/usb/caiaq/midi.h
@@ -0,0 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef CAIAQ_MIDI_H
+#define CAIAQ_MIDI_H
+
+int snd_usb_caiaq_midi_init(struct snd_usb_caiaqdev *cdev);
+void snd_usb_caiaq_midi_handle_input(struct snd_usb_caiaqdev *cdev,
+ int port, const char *buf, int len);
+void snd_usb_caiaq_midi_output_done(struct urb *urb);
+
+#endif /* CAIAQ_MIDI_H */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-23 10:59:03 +0000