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2024-09-09 08:52:07 +00:00
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4
kernel/sound/usb/caiaq/Makefile Normal file
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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

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kernel/sound/usb/caiaq/audio.c Normal file
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/*
* Copyright (c) 2006-2008 Daniel Mack, Karsten Wiese
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#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(dev,stream,i) \
(stream << 1) | (~(i / (dev->n_streams * BYTES_PER_SAMPLE_USB)) & 1)
static 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 *dev,
struct snd_pcm_substream *sub)
{
spin_lock(&dev->spinlock);
if (sub->stream == SNDRV_PCM_STREAM_PLAYBACK)
dev->sub_playback[sub->number] = sub;
else
dev->sub_capture[sub->number] = sub;
spin_unlock(&dev->spinlock);
}
static void
deactivate_substream(struct snd_usb_caiaqdev *dev,
struct snd_pcm_substream *sub)
{
unsigned long flags;
spin_lock_irqsave(&dev->spinlock, flags);
if (sub->stream == SNDRV_PCM_STREAM_PLAYBACK)
dev->sub_playback[sub->number] = NULL;
else
dev->sub_capture[sub->number] = NULL;
spin_unlock_irqrestore(&dev->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 *dev)
{
int i, ret;
debug("%s(%p)\n", __func__, dev);
if (dev->streaming)
return -EINVAL;
memset(dev->sub_playback, 0, sizeof(dev->sub_playback));
memset(dev->sub_capture, 0, sizeof(dev->sub_capture));
dev->input_panic = 0;
dev->output_panic = 0;
dev->first_packet = 4;
dev->streaming = 1;
dev->warned = 0;
for (i = 0; i < N_URBS; i++) {
ret = usb_submit_urb(dev->data_urbs_in[i], GFP_ATOMIC);
if (ret) {
log("unable to trigger read #%d! (ret %d)\n", i, ret);
dev->streaming = 0;
return -EPIPE;
}
}
return 0;
}
static void stream_stop(struct snd_usb_caiaqdev *dev)
{
int i;
debug("%s(%p)\n", __func__, dev);
if (!dev->streaming)
return;
dev->streaming = 0;
for (i = 0; i < N_URBS; i++) {
usb_kill_urb(dev->data_urbs_in[i]);
if (test_bit(i, &dev->outurb_active_mask))
usb_kill_urb(dev->data_urbs_out[i]);
}
dev->outurb_active_mask = 0;
}
static int snd_usb_caiaq_substream_open(struct snd_pcm_substream *substream)
{
struct snd_usb_caiaqdev *dev = snd_pcm_substream_chip(substream);
debug("%s(%p)\n", __func__, substream);
substream->runtime->hw = dev->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 *dev = snd_pcm_substream_chip(substream);
debug("%s(%p)\n", __func__, substream);
if (all_substreams_zero(dev->sub_playback) &&
all_substreams_zero(dev->sub_capture)) {
/* when the last client has stopped streaming,
* all sample rates are allowed again */
stream_stop(dev);
dev->pcm_info.rates = dev->samplerates;
}
return 0;
}
static int snd_usb_caiaq_pcm_hw_params(struct snd_pcm_substream *sub,
struct snd_pcm_hw_params *hw_params)
{
debug("%s(%p)\n", __func__, sub);
return snd_pcm_lib_malloc_pages(sub, params_buffer_bytes(hw_params));
}
static int snd_usb_caiaq_pcm_hw_free(struct snd_pcm_substream *sub)
{
struct snd_usb_caiaqdev *dev = snd_pcm_substream_chip(sub);
debug("%s(%p)\n", __func__, sub);
deactivate_substream(dev, sub);
return snd_pcm_lib_free_pages(sub);
}
/* this should probably go upstream */
#if SNDRV_PCM_RATE_5512 != 1 << 0 || SNDRV_PCM_RATE_192000 != 1 << 12
#error "Change this table"
#endif
static 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 *dev = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
debug("%s(%p)\n", __func__, substream);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
int out_pos;
switch (dev->spec.data_alignment) {
case 0:
case 2:
out_pos = BYTES_PER_SAMPLE + 1;
break;
case 3:
default:
out_pos = 0;
break;
}
dev->period_out_count[index] = out_pos;
dev->audio_out_buf_pos[index] = out_pos;
} else {
int in_pos;
switch (dev->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;
}
dev->period_in_count[index] = in_pos;
dev->audio_in_buf_pos[index] = in_pos;
}
if (dev->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])
dev->pcm_info.rates = 1 << i;
snd_pcm_limit_hw_rates(runtime);
bytes_per_sample = BYTES_PER_SAMPLE;
if (dev->spec.data_alignment >= 2)
bytes_per_sample++;
bpp = ((runtime->rate / 8000) + CLOCK_DRIFT_TOLERANCE)
* bytes_per_sample * CHANNELS_PER_STREAM * dev->n_streams;
if (bpp > MAX_ENDPOINT_SIZE)
bpp = MAX_ENDPOINT_SIZE;
ret = snd_usb_caiaq_set_audio_params(dev, runtime->rate,
runtime->sample_bits, bpp);
if (ret)
return ret;
ret = stream_start(dev);
if (ret)
return ret;
dev->output_running = 0;
wait_event_timeout(dev->prepare_wait_queue, dev->output_running, HZ);
if (!dev->output_running) {
stream_stop(dev);
return -EPIPE;
}
return 0;
}
static int snd_usb_caiaq_pcm_trigger(struct snd_pcm_substream *sub, int cmd)
{
struct snd_usb_caiaqdev *dev = snd_pcm_substream_chip(sub);
debug("%s(%p) cmd %d\n", __func__, sub, cmd);
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
activate_substream(dev, sub);
break;
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
deactivate_substream(dev, 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 *dev = snd_pcm_substream_chip(sub);
snd_pcm_uframes_t ptr;
spin_lock(&dev->spinlock);
if (dev->input_panic || dev->output_panic) {
ptr = SNDRV_PCM_POS_XRUN;
goto unlock;
}
if (sub->stream == SNDRV_PCM_STREAM_PLAYBACK)
ptr = bytes_to_frames(sub->runtime,
dev->audio_out_buf_pos[index]);
else
ptr = bytes_to_frames(sub->runtime,
dev->audio_in_buf_pos[index]);
unlock:
spin_unlock(&dev->spinlock);
return ptr;
}
/* operators for both playback and capture */
static struct snd_pcm_ops snd_usb_caiaq_ops = {
.open = snd_usb_caiaq_substream_open,
.close = snd_usb_caiaq_substream_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = snd_usb_caiaq_pcm_hw_params,
.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 *dev,
struct snd_pcm_substream **subs)
{
int stream, pb, *cnt;
struct snd_pcm_substream *sub;
for (stream = 0; stream < dev->n_streams; stream++) {
sub = subs[stream];
if (!sub)
continue;
pb = snd_pcm_lib_period_bytes(sub);
cnt = (sub->stream == SNDRV_PCM_STREAM_PLAYBACK) ?
&dev->period_out_count[stream] :
&dev->period_in_count[stream];
if (*cnt >= pb) {
snd_pcm_period_elapsed(sub);
*cnt %= pb;
}
}
}
static void read_in_urb_mode0(struct snd_usb_caiaqdev *dev,
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(dev->sub_capture))
return;
for (i = 0; i < iso->actual_length;) {
for (stream = 0; stream < dev->n_streams; stream++, i++) {
sub = dev->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[dev->audio_in_buf_pos[stream]++]
= usb_buf[i];
dev->period_in_count[stream]++;
if (dev->audio_in_buf_pos[stream] == sz)
dev->audio_in_buf_pos[stream] = 0;
}
}
}
}
static void read_in_urb_mode2(struct snd_usb_caiaqdev *dev,
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 % (dev->n_streams * BYTES_PER_SAMPLE_USB) == 0) {
for (stream = 0;
stream < dev->n_streams;
stream++, i++) {
if (dev->first_packet)
continue;
check_byte = MAKE_CHECKBYTE(dev, stream, i);
if ((usb_buf[i] & 0x3f) != check_byte)
dev->input_panic = 1;
if (usb_buf[i] & 0x80)
dev->output_panic = 1;
}
}
dev->first_packet = 0;
for (stream = 0; stream < dev->n_streams; stream++, i++) {
sub = dev->sub_capture[stream];
if (dev->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[dev->audio_in_buf_pos[stream]++] =
usb_buf[i];
dev->period_in_count[stream]++;
if (dev->audio_in_buf_pos[stream] == sz)
dev->audio_in_buf_pos[stream] = 0;
}
}
}
}
static void read_in_urb_mode3(struct snd_usb_caiaqdev *dev,
const struct urb *urb,
const struct usb_iso_packet_descriptor *iso)
{
unsigned char *usb_buf = urb->transfer_buffer + iso->offset;
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 < dev->n_streams; stream++) {
struct snd_pcm_substream *sub = dev->sub_capture[stream];
char *audio_buf = NULL;
int c, n, sz = 0;
if (sub && !dev->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[dev->audio_in_buf_pos[stream]++] = usb_buf[i+n];
if (dev->audio_in_buf_pos[stream] == sz)
dev->audio_in_buf_pos[stream] = 0;
}
dev->period_in_count[stream] += BYTES_PER_SAMPLE;
}
i += BYTES_PER_SAMPLE;
if (usb_buf[i] != ((stream << 1) | c) &&
!dev->first_packet) {
if (!dev->input_panic)
printk(" EXPECTED: %02x got %02x, c %d, stream %d, i %d\n",
((stream << 1) | c), usb_buf[i], c, stream, i);
dev->input_panic = 1;
}
i++;
}
}
}
if (dev->first_packet > 0)
dev->first_packet--;
}
static void read_in_urb(struct snd_usb_caiaqdev *dev,
const struct urb *urb,
const struct usb_iso_packet_descriptor *iso)
{
if (!dev->streaming)
return;
if (iso->actual_length < dev->bpp)
return;
switch (dev->spec.data_alignment) {
case 0:
read_in_urb_mode0(dev, urb, iso);
break;
case 2:
read_in_urb_mode2(dev, urb, iso);
break;
case 3:
read_in_urb_mode3(dev, urb, iso);
break;
}
if ((dev->input_panic || dev->output_panic) && !dev->warned) {
debug("streaming error detected %s %s\n",
dev->input_panic ? "(input)" : "",
dev->output_panic ? "(output)" : "");
dev->warned = 1;
}
}
static void fill_out_urb_mode_0(struct snd_usb_caiaqdev *dev,
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 < dev->n_streams; stream++, i++) {
sub = dev->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[dev->audio_out_buf_pos[stream]];
dev->period_out_count[stream]++;
dev->audio_out_buf_pos[stream]++;
if (dev->audio_out_buf_pos[stream] == sz)
dev->audio_out_buf_pos[stream] = 0;
} else
usb_buf[i] = 0;
}
/* fill in the check bytes */
if (dev->spec.data_alignment == 2 &&
i % (dev->n_streams * BYTES_PER_SAMPLE_USB) ==
(dev->n_streams * CHANNELS_PER_STREAM))
for (stream = 0; stream < dev->n_streams; stream++, i++)
usb_buf[i] = MAKE_CHECKBYTE(dev, stream, i);
}
}
static void fill_out_urb_mode_3(struct snd_usb_caiaqdev *dev,
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 < dev->n_streams; stream++) {
struct snd_pcm_substream *sub = dev->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[dev->audio_out_buf_pos[stream]++];
if (dev->audio_out_buf_pos[stream] == sz)
dev->audio_out_buf_pos[stream] = 0;
} else {
usb_buf[i+n] = 0;
}
}
if (audio_buf)
dev->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 *dev,
struct urb *urb,
const struct usb_iso_packet_descriptor *iso)
{
switch (dev->spec.data_alignment) {
case 0:
case 2:
fill_out_urb_mode_0(dev, urb, iso);
break;
case 3:
fill_out_urb_mode_3(dev, urb, iso);
break;
}
}
static void read_completed(struct urb *urb)
{
struct snd_usb_caiaq_cb_info *info = urb->context;
struct snd_usb_caiaqdev *dev;
struct urb *out = NULL;
int i, frame, len, send_it = 0, outframe = 0;
size_t offset = 0;
if (urb->status || !info)
return;
dev = info->dev;
if (!dev->streaming)
return;
/* find an unused output urb that is unused */
for (i = 0; i < N_URBS; i++)
if (test_and_set_bit(i, &dev->outurb_active_mask) == 0) {
out = dev->data_urbs_out[i];
break;
}
if (!out) {
log("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(&dev->spinlock);
fill_out_urb(dev, out, &out->iso_frame_desc[outframe]);
read_in_urb(dev, urb, &urb->iso_frame_desc[frame]);
spin_unlock(&dev->spinlock);
check_for_elapsed_periods(dev, dev->sub_playback);
check_for_elapsed_periods(dev, dev->sub_capture);
send_it = 1;
}
outframe++;
}
if (send_it) {
out->number_of_packets = outframe;
out->transfer_flags = URB_ISO_ASAP;
usb_submit_urb(out, GFP_ATOMIC);
} else {
struct snd_usb_caiaq_cb_info *oinfo = out->context;
clear_bit(oinfo->index, &dev->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;
urb->transfer_flags = URB_ISO_ASAP;
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 *dev = info->dev;
if (!dev->output_running) {
dev->output_running = 1;
wake_up(&dev->prepare_wait_queue);
}
clear_bit(info->index, &dev->outurb_active_mask);
}
static struct urb **alloc_urbs(struct snd_usb_caiaqdev *dev, int dir, int *ret)
{
int i, frame;
struct urb **urbs;
struct usb_device *usb_dev = dev->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(N_URBS * sizeof(*urbs), GFP_KERNEL);
if (!urbs) {
log("unable to kmalloc() urbs, OOM!?\n");
*ret = -ENOMEM;
return NULL;
}
for (i = 0; i < N_URBS; i++) {
urbs[i] = usb_alloc_urb(FRAMES_PER_URB, GFP_KERNEL);
if (!urbs[i]) {
log("unable to usb_alloc_urb(), OOM!?\n");
*ret = -ENOMEM;
return urbs;
}
urbs[i]->transfer_buffer =
kmalloc(FRAMES_PER_URB * BYTES_PER_FRAME, GFP_KERNEL);
if (!urbs[i]->transfer_buffer) {
log("unable to kmalloc() transfer buffer, OOM!?\n");
*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 = &dev->data_cb_info[i];
urbs[i]->interval = 1;
urbs[i]->transfer_flags = URB_ISO_ASAP;
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 *dev)
{
int i, ret;
dev->n_audio_in = max(dev->spec.num_analog_audio_in,
dev->spec.num_digital_audio_in) /
CHANNELS_PER_STREAM;
dev->n_audio_out = max(dev->spec.num_analog_audio_out,
dev->spec.num_digital_audio_out) /
CHANNELS_PER_STREAM;
dev->n_streams = max(dev->n_audio_in, dev->n_audio_out);
debug("dev->n_audio_in = %d\n", dev->n_audio_in);
debug("dev->n_audio_out = %d\n", dev->n_audio_out);
debug("dev->n_streams = %d\n", dev->n_streams);
if (dev->n_streams > MAX_STREAMS) {
log("unable to initialize device, too many streams.\n");
return -EINVAL;
}
ret = snd_pcm_new(dev->chip.card, dev->product_name, 0,
dev->n_audio_out, dev->n_audio_in, &dev->pcm);
if (ret < 0) {
log("snd_pcm_new() returned %d\n", ret);
return ret;
}
dev->pcm->private_data = dev;
strlcpy(dev->pcm->name, dev->product_name, sizeof(dev->pcm->name));
memset(dev->sub_playback, 0, sizeof(dev->sub_playback));
memset(dev->sub_capture, 0, sizeof(dev->sub_capture));
memcpy(&dev->pcm_info, &snd_usb_caiaq_pcm_hardware,
sizeof(snd_usb_caiaq_pcm_hardware));
/* setup samplerates */
dev->samplerates = dev->pcm_info.rates;
switch (dev->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):
dev->samplerates |= SNDRV_PCM_RATE_192000;
/* fall thru */
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):
dev->samplerates |= SNDRV_PCM_RATE_88200;
break;
}
snd_pcm_set_ops(dev->pcm, SNDRV_PCM_STREAM_PLAYBACK,
&snd_usb_caiaq_ops);
snd_pcm_set_ops(dev->pcm, SNDRV_PCM_STREAM_CAPTURE,
&snd_usb_caiaq_ops);
snd_pcm_lib_preallocate_pages_for_all(dev->pcm,
SNDRV_DMA_TYPE_CONTINUOUS,
snd_dma_continuous_data(GFP_KERNEL),
MAX_BUFFER_SIZE, MAX_BUFFER_SIZE);
dev->data_cb_info =
kmalloc(sizeof(struct snd_usb_caiaq_cb_info) * N_URBS,
GFP_KERNEL);
if (!dev->data_cb_info)
return -ENOMEM;
dev->outurb_active_mask = 0;
BUILD_BUG_ON(N_URBS > (sizeof(dev->outurb_active_mask) * 8));
for (i = 0; i < N_URBS; i++) {
dev->data_cb_info[i].dev = dev;
dev->data_cb_info[i].index = i;
}
dev->data_urbs_in = alloc_urbs(dev, SNDRV_PCM_STREAM_CAPTURE, &ret);
if (ret < 0) {
kfree(dev->data_cb_info);
free_urbs(dev->data_urbs_in);
return ret;
}
dev->data_urbs_out = alloc_urbs(dev, SNDRV_PCM_STREAM_PLAYBACK, &ret);
if (ret < 0) {
kfree(dev->data_cb_info);
free_urbs(dev->data_urbs_in);
free_urbs(dev->data_urbs_out);
return ret;
}
return 0;
}
void snd_usb_caiaq_audio_free(struct snd_usb_caiaqdev *dev)
{
debug("%s(%p)\n", __func__, dev);
stream_stop(dev);
free_urbs(dev->data_urbs_in);
free_urbs(dev->data_urbs_out);
kfree(dev->data_cb_info);
}

7
kernel/sound/usb/caiaq/audio.h Normal file
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@ -0,0 +1,7 @@
#ifndef CAIAQ_AUDIO_H
#define CAIAQ_AUDIO_H
int snd_usb_caiaq_audio_init(struct snd_usb_caiaqdev *dev);
void snd_usb_caiaq_audio_free(struct snd_usb_caiaqdev *dev);
#endif /* CAIAQ_AUDIO_H */

559
kernel/sound/usb/caiaq/control.c Normal file
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@ -0,0 +1,559 @@
/*
* Copyright (c) 2007 Daniel Mack
* friendly supported by NI.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#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
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 *dev = caiaqdev(chip->card);
int pos = kcontrol->private_value;
int is_intval = pos & CNT_INTVAL;
int maxval = 63;
uinfo->count = 1;
pos &= ~CNT_INTVAL;
switch (dev->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 *dev = caiaqdev(chip->card);
int pos = kcontrol->private_value;
if (pos & CNT_INTVAL)
ucontrol->value.integer.value[0]
= dev->control_state[pos & ~CNT_INTVAL];
else
ucontrol->value.integer.value[0]
= !!(dev->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 *dev = caiaqdev(chip->card);
int pos = kcontrol->private_value;
int v = ucontrol->value.integer.value[0];
unsigned char cmd = EP1_CMD_WRITE_IO;
if (dev->chip.usb_id ==
USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1))
cmd = EP1_CMD_DIMM_LEDS;
if (pos & CNT_INTVAL) {
int i = pos & ~CNT_INTVAL;
dev->control_state[i] = v;
if (dev->chip.usb_id ==
USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLS4)) {
int actual_len;
dev->ep8_out_buf[0] = i;
dev->ep8_out_buf[1] = v;
usb_bulk_msg(dev->chip.dev,
usb_sndbulkpipe(dev->chip.dev, 8),
dev->ep8_out_buf, sizeof(dev->ep8_out_buf),
&actual_len, 200);
} else {
snd_usb_caiaq_send_command(dev, cmd,
dev->control_state, sizeof(dev->control_state));
}
} else {
if (v)
dev->control_state[pos / 8] |= 1 << (pos % 8);
else
dev->control_state[pos / 8] &= ~(1 << (pos % 8));
snd_usb_caiaq_send_command(dev, cmd,
dev->control_state, sizeof(dev->control_state));
}
return 1;
}
static struct snd_kcontrol_new kcontrol_template __devinitdata = {
.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 struct caiaq_controller ak1_controller[] = {
{ "LED left", 2 },
{ "LED middle", 1 },
{ "LED right", 0 },
{ "LED ring", 3 }
};
static 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 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 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 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 struct caiaq_controller a4dj_controller[] = {
{ "Current input mode", 0 | CNT_INTVAL }
};
static 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 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 int __devinit add_controls(struct caiaq_controller *c, int num,
struct snd_usb_caiaqdev *dev)
{
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, dev);
ret = snd_ctl_add(dev->chip.card, kc);
if (ret < 0)
return ret;
}
return 0;
}
int __devinit snd_usb_caiaq_control_init(struct snd_usb_caiaqdev *dev)
{
int ret = 0;
switch (dev->chip.usb_id) {
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AK1):
ret = add_controls(ak1_controller,
ARRAY_SIZE(ak1_controller), dev);
break;
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL2):
ret = add_controls(rk2_controller,
ARRAY_SIZE(rk2_controller), dev);
break;
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL3):
ret = add_controls(rk3_controller,
ARRAY_SIZE(rk3_controller), dev);
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), dev);
break;
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO8DJ):
ret = add_controls(a8dj_controller,
ARRAY_SIZE(a8dj_controller), dev);
break;
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO4DJ):
ret = add_controls(a4dj_controller,
ARRAY_SIZE(a4dj_controller), dev);
break;
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
ret = add_controls(kontrolx1_controller,
ARRAY_SIZE(kontrolx1_controller), dev);
break;
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLS4):
ret = add_controls(kontrols4_controller,
ARRAY_SIZE(kontrols4_controller), dev);
break;
}
return ret;
}

6
kernel/sound/usb/caiaq/control.h Normal file
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#ifndef CAIAQ_CONTROL_H
#define CAIAQ_CONTROL_H
int snd_usb_caiaq_control_init(struct snd_usb_caiaqdev *dev);
#endif /* CAIAQ_CONTROL_H */

542
kernel/sound/usb/caiaq/device.c Normal file
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/*
* caiaq.c: ALSA driver for caiaq/NativeInstruments devices
*
* Copyright (c) 2007 Daniel Mack <daniel@caiaq.de>
* Karsten Wiese <fzu@wemgehoertderstaat.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/moduleparam.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 */
static int snd_card_used[SNDRV_CARDS];
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 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 snd_usb_caiaqdev *dev = urb->context;
unsigned char *buf = urb->transfer_buffer;
if (urb->status || !dev) {
log("received EP1 urb->status = %i\n", urb->status);
return;
}
switch(buf[0]) {
case EP1_CMD_GET_DEVICE_INFO:
memcpy(&dev->spec, buf+1, sizeof(struct caiaq_device_spec));
dev->spec.fw_version = le16_to_cpu(dev->spec.fw_version);
debug("device spec (firmware %d): audio: %d in, %d out, "
"MIDI: %d in, %d out, data alignment %d\n",
dev->spec.fw_version,
dev->spec.num_analog_audio_in,
dev->spec.num_analog_audio_out,
dev->spec.num_midi_in,
dev->spec.num_midi_out,
dev->spec.data_alignment);
dev->spec_received++;
wake_up(&dev->ep1_wait_queue);
break;
case EP1_CMD_AUDIO_PARAMS:
dev->audio_parm_answer = buf[1];
wake_up(&dev->ep1_wait_queue);
break;
case EP1_CMD_MIDI_READ:
snd_usb_caiaq_midi_handle_input(dev, buf[1], buf + 3, buf[2]);
break;
case EP1_CMD_READ_IO:
if (dev->chip.usb_id ==
USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO8DJ)) {
if (urb->actual_length > sizeof(dev->control_state))
urb->actual_length = sizeof(dev->control_state);
memcpy(dev->control_state, buf + 1, urb->actual_length);
wake_up(&dev->ep1_wait_queue);
break;
}
#ifdef CONFIG_SND_USB_CAIAQ_INPUT
case EP1_CMD_READ_ERP:
case EP1_CMD_READ_ANALOG:
snd_usb_caiaq_input_dispatch(dev, buf, urb->actual_length);
#endif
break;
}
dev->ep1_in_urb.actual_length = 0;
ret = usb_submit_urb(&dev->ep1_in_urb, GFP_ATOMIC);
if (ret < 0)
log("unable to submit urb. OOM!?\n");
}
int snd_usb_caiaq_send_command(struct snd_usb_caiaqdev *dev,
unsigned char command,
const unsigned char *buffer,
int len)
{
int actual_len;
struct usb_device *usb_dev = dev->chip.dev;
if (!usb_dev)
return -EIO;
if (len > EP1_BUFSIZE - 1)
len = EP1_BUFSIZE - 1;
if (buffer && len > 0)
memcpy(dev->ep1_out_buf+1, buffer, len);
dev->ep1_out_buf[0] = command;
return usb_bulk_msg(usb_dev, usb_sndbulkpipe(usb_dev, 1),
dev->ep1_out_buf, len+1, &actual_len, 200);
}
int snd_usb_caiaq_set_audio_params (struct snd_usb_caiaqdev *dev,
int rate, int depth, int bpp)
{
int ret;
char tmp[5];
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 */
debug("setting audio params: %d Hz, %d bits, %d bpp\n",
rate, depth, bpp);
dev->audio_parm_answer = -1;
ret = snd_usb_caiaq_send_command(dev, EP1_CMD_AUDIO_PARAMS,
tmp, sizeof(tmp));
if (ret)
return ret;
if (!wait_event_timeout(dev->ep1_wait_queue,
dev->audio_parm_answer >= 0, HZ))
return -EPIPE;
if (dev->audio_parm_answer != 1)
debug("unable to set the device's audio params\n");
else
dev->bpp = bpp;
return dev->audio_parm_answer == 1 ? 0 : -EINVAL;
}
int snd_usb_caiaq_set_auto_msg(struct snd_usb_caiaqdev *dev,
int digital, int analog, int erp)
{
char tmp[3] = { digital, analog, erp };
return snd_usb_caiaq_send_command(dev, EP1_CMD_AUTO_MSG,
tmp, sizeof(tmp));
}
static void __devinit setup_card(struct snd_usb_caiaqdev *dev)
{
int ret;
char val[4];
/* device-specific startup specials */
switch (dev->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(dev, 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(dev, 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(dev, EP1_CMD_WRITE_IO, val, 1);
break;
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO8DJ):
/* Audio 8 DJ - trigger read of current settings */
dev->control_state[0] = 0xff;
snd_usb_caiaq_set_auto_msg(dev, 1, 0, 0);
snd_usb_caiaq_send_command(dev, EP1_CMD_READ_IO, NULL, 0);
if (!wait_event_timeout(dev->ep1_wait_queue,
dev->control_state[0] != 0xff, HZ))
return;
/* fix up some defaults */
if ((dev->control_state[1] != 2) ||
(dev->control_state[2] != 3) ||
(dev->control_state[4] != 2)) {
dev->control_state[1] = 2;
dev->control_state[2] = 3;
dev->control_state[4] = 2;
snd_usb_caiaq_send_command(dev,
EP1_CMD_WRITE_IO, dev->control_state, 6);
}
break;
}
if (dev->spec.num_analog_audio_out +
dev->spec.num_analog_audio_in +
dev->spec.num_digital_audio_out +
dev->spec.num_digital_audio_in > 0) {
ret = snd_usb_caiaq_audio_init(dev);
if (ret < 0)
log("Unable to set up audio system (ret=%d)\n", ret);
}
if (dev->spec.num_midi_in +
dev->spec.num_midi_out > 0) {
ret = snd_usb_caiaq_midi_init(dev);
if (ret < 0)
log("Unable to set up MIDI system (ret=%d)\n", ret);
}
#ifdef CONFIG_SND_USB_CAIAQ_INPUT
ret = snd_usb_caiaq_input_init(dev);
if (ret < 0)
log("Unable to set up input system (ret=%d)\n", ret);
#endif
/* finally, register the card and all its sub-instances */
ret = snd_card_register(dev->chip.card);
if (ret < 0) {
log("snd_card_register() returned %d\n", ret);
snd_card_free(dev->chip.card);
}
ret = snd_usb_caiaq_control_init(dev);
if (ret < 0)
log("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 *dev;
for (devnum = 0; devnum < SNDRV_CARDS; devnum++)
if (enable[devnum] && !snd_card_used[devnum])
break;
if (devnum >= SNDRV_CARDS)
return -ENODEV;
err = snd_card_create(index[devnum], id[devnum], THIS_MODULE,
sizeof(struct snd_usb_caiaqdev), &card);
if (err < 0)
return err;
dev = caiaqdev(card);
dev->chip.dev = usb_dev;
dev->chip.card = card;
dev->chip.usb_id = USB_ID(le16_to_cpu(usb_dev->descriptor.idVendor),
le16_to_cpu(usb_dev->descriptor.idProduct));
spin_lock_init(&dev->spinlock);
snd_card_set_dev(card, &intf->dev);
*cardp = card;
return 0;
}
static int __devinit init_card(struct snd_usb_caiaqdev *dev)
{
char *c, usbpath[32];
struct usb_device *usb_dev = dev->chip.dev;
struct snd_card *card = dev->chip.card;
int err, len;
if (usb_set_interface(usb_dev, 0, 1) != 0) {
log("can't set alt interface.\n");
return -EIO;
}
usb_init_urb(&dev->ep1_in_urb);
usb_init_urb(&dev->midi_out_urb);
usb_fill_bulk_urb(&dev->ep1_in_urb, usb_dev,
usb_rcvbulkpipe(usb_dev, 0x1),
dev->ep1_in_buf, EP1_BUFSIZE,
usb_ep1_command_reply_dispatch, dev);
usb_fill_bulk_urb(&dev->midi_out_urb, usb_dev,
usb_sndbulkpipe(usb_dev, 0x1),
dev->midi_out_buf, EP1_BUFSIZE,
snd_usb_caiaq_midi_output_done, dev);
init_waitqueue_head(&dev->ep1_wait_queue);
init_waitqueue_head(&dev->prepare_wait_queue);
if (usb_submit_urb(&dev->ep1_in_urb, GFP_KERNEL) != 0)
return -EIO;
err = snd_usb_caiaq_send_command(dev, EP1_CMD_GET_DEVICE_INFO, NULL, 0);
if (err)
return err;
if (!wait_event_timeout(dev->ep1_wait_queue, dev->spec_received, HZ))
return -ENODEV;
usb_string(usb_dev, usb_dev->descriptor.iManufacturer,
dev->vendor_name, CAIAQ_USB_STR_LEN);
usb_string(usb_dev, usb_dev->descriptor.iProduct,
dev->product_name, CAIAQ_USB_STR_LEN);
strlcpy(card->driver, MODNAME, sizeof(card->driver));
strlcpy(card->shortname, dev->product_name, sizeof(card->shortname));
strlcpy(card->mixername, dev->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)",
dev->vendor_name, dev->product_name, usbpath);
setup_card(dev);
return 0;
}
static int __devinit snd_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
int ret;
struct snd_card *card;
struct usb_device *device = interface_to_usbdev(intf);
ret = create_card(device, intf, &card);
if (ret < 0)
return ret;
usb_set_intfdata(intf, card);
ret = init_card(caiaqdev(card));
if (ret < 0) {
log("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_usb_caiaqdev *dev;
struct snd_card *card = usb_get_intfdata(intf);
debug("%s(%p)\n", __func__, intf);
if (!card)
return;
dev = caiaqdev(card);
snd_card_disconnect(card);
#ifdef CONFIG_SND_USB_CAIAQ_INPUT
snd_usb_caiaq_input_free(dev);
#endif
snd_usb_caiaq_audio_free(dev);
usb_kill_urb(&dev->ep1_in_urb);
usb_kill_urb(&dev->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);

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#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 SND_USB_CAIAQ_DEBUG
#define MODNAME "snd-usb-caiaq"
#define log(x...) snd_printk(KERN_WARNING MODNAME" log: " x)
#ifdef SND_USB_CAIAQ_DEBUG
#define debug(x...) snd_printk(KERN_WARNING MODNAME " debug: " x)
#else
#define debug(x...) do { } while(0)
#endif
#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 *dev;
int index;
};
#define caiaqdev(c) ((struct snd_usb_caiaqdev*)(c)->private_data)
int snd_usb_caiaq_set_audio_params (struct snd_usb_caiaqdev *dev, int rate, int depth, int bbp);
int snd_usb_caiaq_set_auto_msg (struct snd_usb_caiaqdev *dev, int digital, int analog, int erp);
int snd_usb_caiaq_send_command(struct snd_usb_caiaqdev *dev,
unsigned char command,
const unsigned char *buffer,
int len);
#endif /* CAIAQ_DEVICE_H */

842
kernel/sound/usb/caiaq/input.c Normal file
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@ -0,0 +1,842 @@
/*
* Copyright (c) 2006,2007 Daniel Mack, Tim Ruetz
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#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 unsigned short keycode_ak1[] = { KEY_C, KEY_B, KEY_A };
static unsigned short keycode_rk2[] = { KEY_1, KEY_2, KEY_3, KEY_4,
KEY_5, KEY_6, KEY_7 };
static unsigned short keycode_rk3[] = { KEY_1, KEY_2, KEY_3, KEY_4,
KEY_5, KEY_6, KEY_7, KEY_8, KEY_9 };
static 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 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 *dev,
int axis, const unsigned char *buf,
int offset)
{
input_report_abs(dev->input_dev, axis,
(buf[offset * 2] << 8) | buf[offset * 2 + 1]);
}
static void snd_caiaq_input_read_analog(struct snd_usb_caiaqdev *dev,
const unsigned char *buf,
unsigned int len)
{
struct input_dev *input_dev = dev->input_dev;
switch (dev->chip.usb_id) {
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL2):
snd_caiaq_input_report_abs(dev, ABS_X, buf, 2);
snd_caiaq_input_report_abs(dev, ABS_Y, buf, 0);
snd_caiaq_input_report_abs(dev, 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(dev, ABS_X, buf, 0);
snd_caiaq_input_report_abs(dev, ABS_Y, buf, 1);
snd_caiaq_input_report_abs(dev, ABS_Z, buf, 2);
break;
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
snd_caiaq_input_report_abs(dev, ABS_HAT0X, buf, 4);
snd_caiaq_input_report_abs(dev, ABS_HAT0Y, buf, 2);
snd_caiaq_input_report_abs(dev, ABS_HAT1X, buf, 6);
snd_caiaq_input_report_abs(dev, ABS_HAT1Y, buf, 1);
snd_caiaq_input_report_abs(dev, ABS_HAT2X, buf, 7);
snd_caiaq_input_report_abs(dev, ABS_HAT2Y, buf, 0);
snd_caiaq_input_report_abs(dev, ABS_HAT3X, buf, 5);
snd_caiaq_input_report_abs(dev, ABS_HAT3Y, buf, 3);
break;
}
input_sync(input_dev);
}
static void snd_caiaq_input_read_erp(struct snd_usb_caiaqdev *dev,
const char *buf, unsigned int len)
{
struct input_dev *input_dev = dev->input_dev;
int i;
switch (dev->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 *dev,
unsigned char *buf, unsigned int len)
{
struct input_dev *input_dev = dev->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 (dev->chip.usb_id) {
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER):
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER2):
input_report_abs(dev->input_dev, ABS_MISC, 255 - buf[4]);
break;
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
/* rotary encoders */
input_report_abs(dev->input_dev, ABS_X, buf[5] & 0xf);
input_report_abs(dev->input_dev, ABS_Y, buf[5] >> 4);
input_report_abs(dev->input_dev, ABS_Z, buf[6] & 0xf);
input_report_abs(dev->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 *dev,
const unsigned char *buf,
unsigned int len)
{
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(dev->input_dev, KONTROLS4_BUTTON(i),
(buf[4 + (i / 8)] >> (i % 8)) & 1);
break;
case 1:
/* left wheel */
input_report_abs(dev->input_dev, KONTROLS4_ABS(36), buf[9] | ((buf[8] & 0x3) << 8));
/* right wheel */
input_report_abs(dev->input_dev, KONTROLS4_ABS(37), buf[13] | ((buf[12] & 0x3) << 8));
/* rotary encoders */
input_report_abs(dev->input_dev, KONTROLS4_ABS(38), buf[3] & 0xf);
input_report_abs(dev->input_dev, KONTROLS4_ABS(39), buf[4] >> 4);
input_report_abs(dev->input_dev, KONTROLS4_ABS(40), buf[4] & 0xf);
input_report_abs(dev->input_dev, KONTROLS4_ABS(41), buf[5] >> 4);
input_report_abs(dev->input_dev, KONTROLS4_ABS(42), buf[5] & 0xf);
input_report_abs(dev->input_dev, KONTROLS4_ABS(43), buf[6] >> 4);
input_report_abs(dev->input_dev, KONTROLS4_ABS(44), buf[6] & 0xf);
input_report_abs(dev->input_dev, KONTROLS4_ABS(45), buf[7] >> 4);
input_report_abs(dev->input_dev, KONTROLS4_ABS(46), buf[7] & 0xf);
break;
case 2:
/* Volume Fader Channel D */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(0), buf, 1);
/* Volume Fader Channel B */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(1), buf, 2);
/* Volume Fader Channel A */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(2), buf, 3);
/* Volume Fader Channel C */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(3), buf, 4);
/* Loop Volume */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(4), buf, 6);
/* Crossfader */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(7), buf, 7);
break;
case 3:
/* Tempo Fader R */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(6), buf, 3);
/* Tempo Fader L */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(5), buf, 4);
/* Mic Volume */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(8), buf, 6);
/* Cue Mix */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(9), buf, 7);
break;
case 4:
/* Wheel distance sensor L */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(10), buf, 1);
/* Wheel distance sensor R */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(11), buf, 2);
/* Channel D EQ - Filter */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(12), buf, 3);
/* Channel D EQ - Low */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(13), buf, 4);
/* Channel D EQ - Mid */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(14), buf, 5);
/* Channel D EQ - Hi */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(15), buf, 6);
/* FX2 - dry/wet */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(16), buf, 7);
break;
case 5:
/* FX2 - 1 */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(17), buf, 1);
/* FX2 - 2 */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(18), buf, 2);
/* FX2 - 3 */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(19), buf, 3);
/* Channel B EQ - Filter */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(20), buf, 4);
/* Channel B EQ - Low */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(21), buf, 5);
/* Channel B EQ - Mid */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(22), buf, 6);
/* Channel B EQ - Hi */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(23), buf, 7);
break;
case 6:
/* Channel A EQ - Filter */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(24), buf, 1);
/* Channel A EQ - Low */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(25), buf, 2);
/* Channel A EQ - Mid */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(26), buf, 3);
/* Channel A EQ - Hi */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(27), buf, 4);
/* Channel C EQ - Filter */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(28), buf, 5);
/* Channel C EQ - Low */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(29), buf, 6);
/* Channel C EQ - Mid */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(30), buf, 7);
break;
case 7:
/* Channel C EQ - Hi */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(31), buf, 1);
/* FX1 - wet/dry */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(32), buf, 2);
/* FX1 - 1 */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(33), buf, 3);
/* FX1 - 2 */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(34), buf, 4);
/* FX1 - 3 */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(35), buf, 5);
break;
default:
debug("%s(): bogus block (id %d)\n",
__func__, block_id);
return;
}
len -= TKS4_MSGBLOCK_SIZE;
buf += TKS4_MSGBLOCK_SIZE;
}
input_sync(dev->input_dev);
}
#define MASCHINE_MSGBLOCK_SIZE 2
static void snd_usb_caiaq_maschine_dispatch(struct snd_usb_caiaqdev *dev,
const unsigned char *buf,
unsigned int len)
{
unsigned int i, pad_id;
uint16_t pressure;
for (i = 0; i < MASCHINE_PADS; i++) {
pressure = be16_to_cpu(buf[i * 2] << 8 | buf[(i * 2) + 1]);
pad_id = pressure >> 12;
input_report_abs(dev->input_dev, MASCHINE_PAD(pad_id), pressure & 0xfff);
}
input_sync(dev->input_dev);
}
static void snd_usb_caiaq_ep4_reply_dispatch(struct urb *urb)
{
struct snd_usb_caiaqdev *dev = urb->context;
unsigned char *buf = urb->transfer_buffer;
int ret;
if (urb->status || !dev || urb != dev->ep4_in_urb)
return;
switch (dev->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(dev, buf + 1, 7);
if (buf[0] & 0x4)
snd_caiaq_input_read_analog(dev, buf + 8, 16);
break;
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLS4):
snd_usb_caiaq_tks4_dispatch(dev, 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(dev, buf, urb->actual_length);
break;
}
requeue:
dev->ep4_in_urb->actual_length = 0;
ret = usb_submit_urb(dev->ep4_in_urb, GFP_ATOMIC);
if (ret < 0)
log("unable to submit urb. OOM!?\n");
}
static int snd_usb_caiaq_input_open(struct input_dev *idev)
{
struct snd_usb_caiaqdev *dev = input_get_drvdata(idev);
if (!dev)
return -EINVAL;
switch (dev->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(dev->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 *dev = input_get_drvdata(idev);
if (!dev)
return;
switch (dev->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(dev->ep4_in_urb);
break;
}
}
void snd_usb_caiaq_input_dispatch(struct snd_usb_caiaqdev *dev,
char *buf,
unsigned int len)
{
if (!dev->input_dev || len < 1)
return;
switch (buf[0]) {
case EP1_CMD_READ_ANALOG:
snd_caiaq_input_read_analog(dev, buf + 1, len - 1);
break;
case EP1_CMD_READ_ERP:
snd_caiaq_input_read_erp(dev, buf + 1, len - 1);
break;
case EP1_CMD_READ_IO:
snd_caiaq_input_read_io(dev, buf + 1, len - 1);
break;
}
}
int snd_usb_caiaq_input_init(struct snd_usb_caiaqdev *dev)
{
struct usb_device *usb_dev = dev->chip.dev;
struct input_dev *input;
int i, ret = 0;
input = input_allocate_device();
if (!input)
return -ENOMEM;
usb_make_path(usb_dev, dev->phys, sizeof(dev->phys));
strlcat(dev->phys, "/input0", sizeof(dev->phys));
input->name = dev->product_name;
input->phys = dev->phys;
usb_to_input_id(usb_dev, &input->id);
input->dev.parent = &usb_dev->dev;
input_set_drvdata(input, dev);
switch (dev->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(dev->keycode) < sizeof(keycode_rk2));
memcpy(dev->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(dev, 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(dev->keycode) < sizeof(keycode_rk3));
memcpy(dev->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(dev, 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(dev->keycode) < sizeof(keycode_ak1));
memcpy(dev->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(dev, 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(dev->keycode) < sizeof(keycode_kore));
memcpy(dev->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(dev, 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(dev->keycode) < KONTROLX1_INPUTS);
for (i = 0; i < KONTROLX1_INPUTS; i++)
dev->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);
dev->ep4_in_urb = usb_alloc_urb(0, GFP_KERNEL);
if (!dev->ep4_in_urb) {
ret = -ENOMEM;
goto exit_free_idev;
}
usb_fill_bulk_urb(dev->ep4_in_urb, usb_dev,
usb_rcvbulkpipe(usb_dev, 0x4),
dev->ep4_in_buf, EP4_BUFSIZE,
snd_usb_caiaq_ep4_reply_dispatch, dev);
snd_usb_caiaq_set_auto_msg(dev, 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(dev->keycode) < KONTROLS4_BUTTONS);
for (i = 0; i < KONTROLS4_BUTTONS; i++)
dev->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);
dev->ep4_in_urb = usb_alloc_urb(0, GFP_KERNEL);
if (!dev->ep4_in_urb) {
ret = -ENOMEM;
goto exit_free_idev;
}
usb_fill_bulk_urb(dev->ep4_in_urb, usb_dev,
usb_rcvbulkpipe(usb_dev, 0x4),
dev->ep4_in_buf, EP4_BUFSIZE,
snd_usb_caiaq_ep4_reply_dispatch, dev);
snd_usb_caiaq_set_auto_msg(dev, 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(dev->keycode) < sizeof(keycode_maschine));
memcpy(dev->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);
dev->ep4_in_urb = usb_alloc_urb(0, GFP_KERNEL);
if (!dev->ep4_in_urb) {
ret = -ENOMEM;
goto exit_free_idev;
}
usb_fill_bulk_urb(dev->ep4_in_urb, usb_dev,
usb_rcvbulkpipe(usb_dev, 0x4),
dev->ep4_in_buf, EP4_BUFSIZE,
snd_usb_caiaq_ep4_reply_dispatch, dev);
snd_usb_caiaq_set_auto_msg(dev, 1, 10, 5);
break;
default:
/* no input methods supported on this device */
goto exit_free_idev;
}
input->open = snd_usb_caiaq_input_open;
input->close = snd_usb_caiaq_input_close;
input->keycode = dev->keycode;
input->keycodesize = sizeof(unsigned short);
for (i = 0; i < input->keycodemax; i++)
__set_bit(dev->keycode[i], input->keybit);
dev->input_dev = input;
ret = input_register_device(input);
if (ret < 0)
goto exit_free_idev;
return 0;
exit_free_idev:
input_free_device(input);
dev->input_dev = NULL;
return ret;
}
void snd_usb_caiaq_input_free(struct snd_usb_caiaqdev *dev)
{
if (!dev || !dev->input_dev)
return;
usb_kill_urb(dev->ep4_in_urb);
usb_free_urb(dev->ep4_in_urb);
dev->ep4_in_urb = NULL;
input_unregister_device(dev->input_dev);
dev->input_dev = NULL;
}

8
kernel/sound/usb/caiaq/input.h Normal file
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#ifndef CAIAQ_INPUT_H
#define CAIAQ_INPUT_H
void snd_usb_caiaq_input_dispatch(struct snd_usb_caiaqdev *dev, char *buf, unsigned int len);
int snd_usb_caiaq_input_init(struct snd_usb_caiaqdev *dev);
void snd_usb_caiaq_input_free(struct snd_usb_caiaqdev *dev);
#endif

174
kernel/sound/usb/caiaq/midi.c Normal file
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/*
* Copyright (c) 2006,2007 Daniel Mack
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#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 *dev = substream->rmidi->private_data;
if (!dev)
return;
dev->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 *dev = substream->rmidi->private_data;
if (dev->midi_out_active) {
usb_kill_urb(&dev->midi_out_urb);
dev->midi_out_active = 0;
}
return 0;
}
static void snd_usb_caiaq_midi_send(struct snd_usb_caiaqdev *dev,
struct snd_rawmidi_substream *substream)
{
int len, ret;
dev->midi_out_buf[0] = EP1_CMD_MIDI_WRITE;
dev->midi_out_buf[1] = 0; /* port */
len = snd_rawmidi_transmit(substream, dev->midi_out_buf + 3,
EP1_BUFSIZE - 3);
if (len <= 0)
return;
dev->midi_out_buf[2] = len;
dev->midi_out_urb.transfer_buffer_length = len+3;
ret = usb_submit_urb(&dev->midi_out_urb, GFP_ATOMIC);
if (ret < 0)
log("snd_usb_caiaq_midi_send(%p): usb_submit_urb() failed,"
"ret=%d, len=%d\n",
substream, ret, len);
else
dev->midi_out_active = 1;
}
static void snd_usb_caiaq_midi_output_trigger(struct snd_rawmidi_substream *substream, int up)
{
struct snd_usb_caiaqdev *dev = substream->rmidi->private_data;
if (up) {
dev->midi_out_substream = substream;
if (!dev->midi_out_active)
snd_usb_caiaq_midi_send(dev, substream);
} else {
dev->midi_out_substream = NULL;
}
}
static 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 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 *dev,
int port, const char *buf, int len)
{
if (!dev->midi_receive_substream)
return;
snd_rawmidi_receive(dev->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 *dev = urb->context;
dev->midi_out_active = 0;
if (urb->status != 0)
return;
if (!dev->midi_out_substream)
return;
snd_usb_caiaq_midi_send(dev, dev->midi_out_substream);
}

8
kernel/sound/usb/caiaq/midi.h Normal file
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#ifndef CAIAQ_MIDI_H
#define CAIAQ_MIDI_H
int snd_usb_caiaq_midi_init(struct snd_usb_caiaqdev *dev);
void snd_usb_caiaq_midi_handle_input(struct snd_usb_caiaqdev *dev, int port, const char *buf, int len);
void snd_usb_caiaq_midi_output_done(struct urb *urb);
#endif /* CAIAQ_MIDI_H */