diff options
Diffstat (limited to 'drivers/staging/line6/midi.c')
-rw-r--r-- | drivers/staging/line6/midi.c | 100 |
1 files changed, 47 insertions, 53 deletions
diff --git a/drivers/staging/line6/midi.c b/drivers/staging/line6/midi.c index 32b6ca75cadb..4304dfe6c166 100644 --- a/drivers/staging/line6/midi.c +++ b/drivers/staging/line6/midi.c @@ -1,7 +1,7 @@ /* - * Line6 Linux USB driver - 0.8.0 + * Line6 Linux USB driver - 0.9.1beta * - * Copyright (C) 2004-2009 Markus Grabner (grabner@icg.tugraz.at) + * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at) * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as @@ -9,32 +9,23 @@ * */ -#include "driver.h" - -#include <linux/usb.h> #include <linux/slab.h> - +#include <linux/usb.h> #include <sound/core.h> #include <sound/rawmidi.h> #include "audio.h" +#include "driver.h" #include "midi.h" #include "pod.h" #include "usbdefs.h" - -#define USE_MIDIBUF 1 -#define OUTPUT_DUMP_ONLY 0 - - #define line6_rawmidi_substream_midi(substream) \ ((struct snd_line6_midi *)((substream)->rmidi->private_data)) - static int send_midi_async(struct usb_line6 *line6, unsigned char *data, int length); - /* Pass data received via USB to MIDI. */ @@ -51,7 +42,8 @@ void line6_midi_receive(struct usb_line6 *line6, unsigned char *data, */ static void line6_midi_transmit(struct snd_rawmidi_substream *substream) { - struct usb_line6 *line6 = line6_rawmidi_substream_midi(substream)->line6; + struct usb_line6 *line6 = + line6_rawmidi_substream_midi(substream)->line6; struct snd_line6_midi *line6midi = line6->line6midi; struct MidiBuffer *mb = &line6midi->midibuf_out; unsigned long flags; @@ -61,26 +53,27 @@ static void line6_midi_transmit(struct snd_rawmidi_substream *substream) spin_lock_irqsave(&line6->line6midi->midi_transmit_lock, flags); for (;;) { - req = min(midibuf_bytes_free(mb), line6->max_packet_size); + req = min(line6_midibuf_bytes_free(mb), line6->max_packet_size); done = snd_rawmidi_transmit_peek(substream, chunk, req); if (done == 0) break; -#if DO_DUMP_MIDI_SEND +#ifdef CONFIG_LINE6_USB_DUMP_MIDI line6_write_hexdump(line6, 's', chunk, done); #endif - midibuf_write(mb, chunk, done); + line6_midibuf_write(mb, chunk, done); snd_rawmidi_transmit_ack(substream, done); } for (;;) { - done = midibuf_read(mb, chunk, line6->max_packet_size); + done = line6_midibuf_read(mb, chunk, line6->max_packet_size); if (done == 0) break; - if (midibuf_skip_message(mb, line6midi->midi_mask_transmit)) + if (line6_midibuf_skip_message + (mb, line6midi->midi_mask_transmit)) continue; send_midi_async(line6, chunk, done); @@ -115,7 +108,7 @@ static void midi_sent(struct urb *urb) } if (num == 0) - wake_up_interruptible(&line6->line6midi->send_wait); + wake_up(&line6->line6midi->send_wait); spin_unlock_irqrestore(&line6->line6midi->send_urb_lock, flags); } @@ -138,8 +131,7 @@ static int send_midi_async(struct usb_line6 *line6, unsigned char *data, dev_err(line6->ifcdev, "Out of memory\n"); return -ENOMEM; } - -#if DO_DUMP_URB_SEND +#ifdef CONFIG_LINE6_USB_DUMP_CTRL line6_write_hexdump(line6, 'S', data, length); #endif @@ -176,8 +168,11 @@ static int send_midi_async(struct usb_line6 *line6, unsigned char *data, case LINE6_DEVID_PODXTLIVE: case LINE6_DEVID_PODXTPRO: case LINE6_DEVID_POCKETPOD: - pod_midi_postprocess((struct usb_line6_pod *)line6, data, - length); + line6_pod_midi_postprocess((struct usb_line6_pod *)line6, data, + length); + break; + + case LINE6_DEVID_VARIAX: break; default: @@ -201,7 +196,8 @@ static void line6_midi_output_trigger(struct snd_rawmidi_substream *substream, int up) { unsigned long flags; - struct usb_line6 *line6 = line6_rawmidi_substream_midi(substream)->line6; + struct usb_line6 *line6 = + line6_rawmidi_substream_midi(substream)->line6; line6->line6midi->substream_transmit = substream; spin_lock_irqsave(&line6->line6midi->send_urb_lock, flags); @@ -214,20 +210,11 @@ static void line6_midi_output_trigger(struct snd_rawmidi_substream *substream, static void line6_midi_output_drain(struct snd_rawmidi_substream *substream) { - struct usb_line6 *line6 = line6_rawmidi_substream_midi(substream)->line6; - wait_queue_head_t *head = &line6->line6midi->send_wait; - DECLARE_WAITQUEUE(wait, current); - add_wait_queue(head, &wait); - current->state = TASK_INTERRUPTIBLE; - - while (line6->line6midi->num_active_send_urbs > 0) - if (signal_pending(current)) - break; - else - schedule(); - - current->state = TASK_RUNNING; - remove_wait_queue(head, &wait); + struct usb_line6 *line6 = + line6_rawmidi_substream_midi(substream)->line6; + struct snd_line6_midi *midi = line6->line6midi; + wait_event_interruptible(midi->send_wait, + midi->num_active_send_urbs == 0); } static int line6_midi_input_open(struct snd_rawmidi_substream *substream) @@ -243,7 +230,8 @@ static int line6_midi_input_close(struct snd_rawmidi_substream *substream) static void line6_midi_input_trigger(struct snd_rawmidi_substream *substream, int up) { - struct usb_line6 *line6 = line6_rawmidi_substream_midi(substream)->line6; + struct usb_line6 *line6 = + line6_rawmidi_substream_midi(substream)->line6; if (up) line6->line6midi->substream_receive = substream; @@ -284,12 +272,12 @@ static int snd_line6_new_midi(struct snd_line6_midi *line6midi) rmidi->private_data = line6midi; rmidi->private_free = line6_cleanup_midi; + strcpy(rmidi->id, line6midi->line6->properties->id); strcpy(rmidi->name, line6midi->line6->properties->name); rmidi->info_flags = - SNDRV_RAWMIDI_INFO_OUTPUT | - SNDRV_RAWMIDI_INFO_INPUT | - SNDRV_RAWMIDI_INFO_DUPLEX; + SNDRV_RAWMIDI_INFO_OUTPUT | + SNDRV_RAWMIDI_INFO_INPUT | SNDRV_RAWMIDI_INFO_DUPLEX; snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &line6_midi_output_ops); @@ -362,17 +350,21 @@ static ssize_t midi_set_midi_mask_receive(struct device *dev, return count; } -static DEVICE_ATTR(midi_mask_transmit, S_IWUGO | S_IRUGO, midi_get_midi_mask_transmit, midi_set_midi_mask_transmit); -static DEVICE_ATTR(midi_mask_receive, S_IWUGO | S_IRUGO, midi_get_midi_mask_receive, midi_set_midi_mask_receive); +static DEVICE_ATTR(midi_mask_transmit, S_IWUGO | S_IRUGO, + midi_get_midi_mask_transmit, midi_set_midi_mask_transmit); +static DEVICE_ATTR(midi_mask_receive, S_IWUGO | S_IRUGO, + midi_get_midi_mask_receive, midi_set_midi_mask_receive); /* MIDI device destructor */ static int snd_line6_midi_free(struct snd_device *device) { struct snd_line6_midi *line6midi = device->device_data; - device_remove_file(line6midi->line6->ifcdev, &dev_attr_midi_mask_transmit); - device_remove_file(line6midi->line6->ifcdev, &dev_attr_midi_mask_receive); - midibuf_destroy(&line6midi->midibuf_in); - midibuf_destroy(&line6midi->midibuf_out); + device_remove_file(line6midi->line6->ifcdev, + &dev_attr_midi_mask_transmit); + device_remove_file(line6midi->line6->ifcdev, + &dev_attr_midi_mask_receive); + line6_midibuf_destroy(&line6midi->midibuf_in); + line6_midibuf_destroy(&line6midi->midibuf_out); return 0; } @@ -388,19 +380,21 @@ int line6_init_midi(struct usb_line6 *line6) int err; struct snd_line6_midi *line6midi; - if (!(line6->properties->capabilities & LINE6_BIT_CONTROL)) - return 0; /* skip MIDI initialization and report success */ + if (!(line6->properties->capabilities & LINE6_BIT_CONTROL)) { + /* skip MIDI initialization and report success */ + return 0; + } line6midi = kzalloc(sizeof(struct snd_line6_midi), GFP_KERNEL); if (line6midi == NULL) return -ENOMEM; - err = midibuf_init(&line6midi->midibuf_in, MIDI_BUFFER_SIZE, 0); + err = line6_midibuf_init(&line6midi->midibuf_in, MIDI_BUFFER_SIZE, 0); if (err < 0) return err; - err = midibuf_init(&line6midi->midibuf_out, MIDI_BUFFER_SIZE, 1); + err = line6_midibuf_init(&line6midi->midibuf_out, MIDI_BUFFER_SIZE, 1); if (err < 0) return err; |