diff options
| -rw-r--r-- | Documentation/sound/alsa/ALSA-Configuration.txt | 11 | ||||
| -rw-r--r-- | sound/usb/Kconfig | 28 | ||||
| -rw-r--r-- | sound/usb/Makefile | 2 | ||||
| -rw-r--r-- | sound/usb/caiaq/Makefile | 3 | ||||
| -rw-r--r-- | sound/usb/caiaq/caiaq-audio.c | 706 | ||||
| -rw-r--r-- | sound/usb/caiaq/caiaq-audio.h | 7 | ||||
| -rw-r--r-- | sound/usb/caiaq/caiaq-device.c | 436 | ||||
| -rw-r--r-- | sound/usb/caiaq/caiaq-device.h | 116 | ||||
| -rw-r--r-- | sound/usb/caiaq/caiaq-input.c | 246 | ||||
| -rw-r--r-- | sound/usb/caiaq/caiaq-input.h | 8 | ||||
| -rw-r--r-- | sound/usb/caiaq/caiaq-midi.c | 177 | ||||
| -rw-r--r-- | sound/usb/caiaq/caiaq-midi.h | 8 |
12 files changed, 1747 insertions, 1 deletions
diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt index 0dbc95dd66a..62f9e4cebe0 100644 --- a/Documentation/sound/alsa/ALSA-Configuration.txt +++ b/Documentation/sound/alsa/ALSA-Configuration.txt @@ -1697,6 +1697,17 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. This module supports multiple devices, autoprobe and hotplugging. + Module snd-usb-caiaq + -------------------- + + Module for caiaq UB audio interfaces, + * Native Instruments RigKontrol2 + * Native Instruments Kore Controller + * Native Instruments Audio Kontrol 1 + * Native Instruments Audio 8 DJ + + This module supports multiple devices, autoprobe and hotplugging. + Module snd-usb-usx2y -------------------- diff --git a/sound/usb/Kconfig b/sound/usb/Kconfig index f05d02f5b69..315360f3127 100644 --- a/sound/usb/Kconfig +++ b/sound/usb/Kconfig @@ -29,5 +29,33 @@ config SND_USB_USX2Y To compile this driver as a module, choose M here: the module will be called snd-usb-usx2y. +config SND_USB_CAIAQ + tristate "Native Instruments USB audio devices" + depends on SND && USB + select SND_HWDEP + select SND_RAWMIDI + select SND_PCM + help + Say Y here to include support for caiaq USB audio interfaces, + namely: + + * Native Instruments RigKontrol2 + * Native Instruments Kore Controller + * Native Instruments Audio Kontrol 1 + * Native Instruments Audio 8 DJ + + To compile this driver as a module, choose M here: the module + will be called snd-usb-caiaq. + +config SND_USB_CAIAQ_INPUT + bool "enable input device for controllers" + depends on SND_USB_CAIAQ + help + Say Y here to support input controllers like buttons, knobs, + alpha dials and analog pedals on the following products: + + * Native Instruments RigKontrol2 + * Native Instruments Audio Kontrol 1 + endmenu diff --git a/sound/usb/Makefile b/sound/usb/Makefile index 2c1dc11a72e..aa252ef2ebf 100644 --- a/sound/usb/Makefile +++ b/sound/usb/Makefile @@ -9,4 +9,4 @@ snd-usb-lib-objs := usbmidi.o obj-$(CONFIG_SND_USB_AUDIO) += snd-usb-audio.o snd-usb-lib.o obj-$(CONFIG_SND_USB_USX2Y) += snd-usb-lib.o -obj-$(CONFIG_SND) += usx2y/ +obj-$(CONFIG_SND) += usx2y/ caiaq/ diff --git a/sound/usb/caiaq/Makefile b/sound/usb/caiaq/Makefile new file mode 100644 index 00000000000..455c8c58a1b --- /dev/null +++ b/sound/usb/caiaq/Makefile @@ -0,0 +1,3 @@ +snd-usb-caiaq-objs := caiaq-device.o caiaq-audio.o caiaq-midi.o caiaq-input.o + +obj-$(CONFIG_SND_USB_CAIAQ) += snd-usb-caiaq.o diff --git a/sound/usb/caiaq/caiaq-audio.c b/sound/usb/caiaq/caiaq-audio.c new file mode 100644 index 00000000000..e80c8db237d --- /dev/null +++ b/sound/usb/caiaq/caiaq-audio.c @@ -0,0 +1,706 @@ +/* + * Copyright (c) 2006,2007 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 <sound/driver.h> +#include <linux/init.h> +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/interrupt.h> +#include <linux/usb.h> +#include <linux/spinlock.h> +#include <sound/core.h> +#include <sound/initval.h> +#include <sound/pcm.h> +#include <sound/rawmidi.h> +#ifdef CONFIG_SND_USB_CAIAQ_INPUT +#include <linux/input.h> +#endif + +#include "caiaq-device.h" +#include "caiaq-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 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 = 4096, + .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) +{ + if (sub->stream == SNDRV_PCM_STREAM_PLAYBACK) + dev->sub_playback[sub->number] = sub; + else + dev->sub_capture[sub->number] = sub; +} + +static void +deactivate_substream(struct snd_usb_caiaqdev *dev, + struct snd_pcm_substream *sub) +{ + if (sub->stream == SNDRV_PCM_STREAM_PLAYBACK) + dev->sub_playback[sub->number] = NULL; + else + dev->sub_capture[sub->number] = NULL; +} + +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("stream_start(%p)\n", dev); + spin_lock_irq(&dev->spinlock); + if (dev->streaming) { + spin_unlock_irq(&dev->spinlock); + return -EINVAL; + } + + dev->input_panic = 0; + dev->output_panic = 0; + dev->first_packet = 1; + dev->streaming = 1; + + for (i = 0; i < N_URBS; i++) { + ret = usb_submit_urb(dev->data_urbs_in[i], GFP_ATOMIC); + if (ret) { + log("unable to trigger initial read #%d! (ret = %d)\n", + i, ret); + dev->streaming = 0; + spin_unlock_irq(&dev->spinlock); + return -EPIPE; + } + } + + spin_unlock_irq(&dev->spinlock); + return 0; +} + +static void stream_stop(struct snd_usb_caiaqdev *dev) +{ + int i; + + debug("stream_stop(%p)\n", dev); + if (!dev->streaming) + return; + + dev->streaming = 0; + for (i = 0; i < N_URBS; i++) { + usb_unlink_urb(dev->data_urbs_in[i]); + usb_unlink_urb(dev->data_urbs_out[i]); + } +} + +static int snd_usb_caiaq_substream_open(struct snd_pcm_substream *substream) +{ + struct snd_usb_caiaqdev *dev = snd_pcm_substream_chip(substream); + debug("snd_usb_caiaq_substream_open(%p)\n", 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("snd_usb_caiaq_substream_close(%p)\n", 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("snd_usb_caiaq_pcm_hw_params(%p)\n", 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("snd_usb_caiaq_pcm_hw_free(%p)\n", sub); + spin_lock_irq(&dev->spinlock); + deactivate_substream(dev, sub); + spin_unlock_irq(&dev->spinlock); + 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("snd_usb_caiaq_pcm_prepare(%p)\n", substream); + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + dev->audio_out_buf_pos[index] = BYTES_PER_SAMPLE + 1; + else + dev->audio_in_buf_pos[index] = 0; + + 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; + + 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); + + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + spin_lock(&dev->spinlock); + activate_substream(dev, sub); + spin_unlock(&dev->spinlock); + break; + case SNDRV_PCM_TRIGGER_STOP: + case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + spin_lock(&dev->spinlock); + deactivate_substream(dev, sub); + spin_unlock(&dev->spinlock); + 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); + + if (dev->input_panic || dev->output_panic) + return SNDRV_PCM_POS_XRUN; + + if (sub->stream == SNDRV_PCM_STREAM_PLAYBACK) + return bytes_to_frames(sub->runtime, + dev->audio_out_buf_pos[index]); + else + return bytes_to_frames(sub->runtime, + dev->audio_in_buf_pos[index]); +} + +/* 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 = frames_to_bytes(sub->runtime, + sub->runtime->period_size); + 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; + + spin_lock(&dev->spinlock); + + 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; + } + } + } + + spin_unlock(&dev->spinlock); +} + +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; + + spin_lock(&dev->spinlock); + + 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 (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; + } + } + } + + spin_unlock(&dev->spinlock); +} + +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; + + 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; + } + + if (dev->input_panic || dev->output_panic) { + debug("streaming error detected %s %s\n", + dev->input_panic ? "(input)" : "", + dev->output_panic ? "(output)" : ""); + } + + check_for_elapsed_periods(dev, dev->sub_capture); +} + +static void fill_out_urb(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; + + spin_lock(&dev->spinlock); + + for (i = 0; i < iso->length;) { + for (stream = 0; stream < dev->n_streams; stream++) { + 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->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); + } + } + + spin_unlock(&dev->spinlock); + check_for_elapsed_periods(dev, dev->sub_playback); +} + +static void read_completed(struct urb *urb) +{ + struct snd_usb_caiaq_cb_info *info = urb->context; + struct snd_usb_caiaqdev *dev; + struct urb *out; + int frame, len, send_it = 0, outframe = 0; + + if (urb->status || !info) + return; + + dev = info->dev; + if (!dev->streaming) + return; + + out = dev->data_urbs_out[info->index]; + + /* 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 = BYTES_PER_FRAME * frame; + + if (len > 0) { + fill_out_urb(dev, out, &out->iso_frame_desc[outframe]); + read_in_urb(dev, urb, &urb->iso_frame_desc[frame]); + send_it = 1; + } + + outframe++; + } + + if (send_it) { + out->number_of_packets = FRAMES_PER_URB; + out->transfer_flags = URB_ISO_ASAP; + usb_submit_urb(out, GFP_ATOMIC); + } + + /* 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); + } +} + +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 __devinit 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; + strcpy(dev->pcm->name, dev->product_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): + dev->samplerates |= SNDRV_PCM_RATE_88200; + dev->samplerates |= SNDRV_PCM_RATE_192000; + break; + case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO8DJ): + 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; + + 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("snd_usb_caiaq_audio_free (%p)\n", dev); + stream_stop(dev); + free_urbs(dev->data_urbs_in); + free_urbs(dev->data_urbs_out); + kfree(dev->data_cb_info); +} + diff --git a/sound/usb/caiaq/caiaq-audio.h b/sound/usb/caiaq/caiaq-audio.h new file mode 100644 index 00000000000..8ab1f8d9529 --- /dev/null +++ b/sound/usb/caiaq/caiaq-audio.h @@ -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 */ diff --git a/sound/usb/caiaq/caiaq-device.c b/sound/usb/caiaq/caiaq-device.c new file mode 100644 index 00000000000..4709347326f --- /dev/null +++ b/sound/usb/caiaq/caiaq-device.c @@ -0,0 +1,436 @@ +/* + * 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/init.h> +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/interrupt.h> +#include <linux/usb.h> +#include <linux/input.h> +#include <linux/spinlock.h> +#include <sound/driver.h> +#include <sound/core.h> +#include <sound/initval.h> +#include <sound/pcm.h> +#include <sound/rawmidi.h> + +#include "caiaq-device.h" +#include "caiaq-audio.h" +#include "caiaq-midi.h" + +#ifdef CONFIG_SND_USB_CAIAQ_INPUT +#include "caiaq-input.h" +#endif + +MODULE_AUTHOR("Daniel Mack <daniel@caiaq.de>"); +MODULE_DESCRIPTION("caiaq USB audio, version 1.1.0"); +MODULE_LICENSE("GPL"); +MODULE_SUPPORTED_DEVICE("{{Native Instruments, RigKontrol2}," + "{Native Instruments, Kore Controller}," + "{Native Instruments, Audio Kontrol 1}" + "{Native Instruments, Audio 8 DJ}}"); + +static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-max */ +static char* id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* Id for this card */ +static int 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_KORECONTROLLER + }, + { + .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 + }, + { /* 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; + +#ifdef CONFIG_SND_USB_CAIAQ_INPUT + case EP1_CMD_READ_ERP: + case EP1_CMD_READ_ANALOG: + case EP1_CMD_READ_IO: + snd_usb_caiaq_input_dispatch(dev, buf, urb->actual_length); + break; +#endif + } + + 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"); +} + +static int 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 = 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"); + + 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 send_command(dev, EP1_CMD_AUTO_MSG, tmp, sizeof(tmp)); +} + +static void setup_card(struct snd_usb_caiaqdev *dev) +{ + int ret; + char val[3]; + + /* 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; + send_command(dev, EP1_CMD_WRITE_IO, val, 3); + break; + case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AK1): + /* Audio Kontrol 1 - make USB-LED stop blinking */ + val[0] = 0x00; + send_command(dev, EP1_CMD_WRITE_IO, val, 1); + break; + } + + ret = snd_usb_caiaq_audio_init(dev); + if (ret < 0) + log("Unable to set up audio system (ret=%d)\n", ret); + + 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); + } +} + +static struct snd_card* create_card(struct usb_device* usb_dev) +{ + int devnum; + struct snd_card *card; + struct snd_usb_caiaqdev *dev; + + for (devnum = 0; devnum |