diff options
Diffstat (limited to 'sound/usb/caiaq/caiaq-midi.c')
| -rw-r--r-- | sound/usb/caiaq/caiaq-midi.c | 176 |
1 files changed, 0 insertions, 176 deletions
diff --git a/sound/usb/caiaq/caiaq-midi.c b/sound/usb/caiaq/caiaq-midi.c deleted file mode 100644 index 30b57f97c6e..00000000000 --- a/sound/usb/caiaq/caiaq-midi.c +++ /dev/null @@ -1,176 +0,0 @@ -/* - * 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/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/core.h> -#include <sound/rawmidi.h> -#include <sound/pcm.h> - -#include "caiaq-device.h" -#include "caiaq-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) -{ - 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_peek(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, %d\n", - substream, ret); -} - -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 (dev->midi_out_substream != NULL) - return; - - if (!up) { - dev->midi_out_substream = NULL; - return; - } - - dev->midi_out_substream = substream; - snd_usb_caiaq_midi_send(dev, substream); -} - - -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; - - strcpy(rmidi->name, device->product_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; - char *buf = urb->transfer_buffer; - - if (urb->status != 0) - return; - - if (!dev->midi_out_substream) - return; - - snd_rawmidi_transmit_ack(dev->midi_out_substream, buf[2]); - dev->midi_out_substream = NULL; - snd_usb_caiaq_midi_send(dev, dev->midi_out_substream); -} - |