path: root/drivers/staging/line6/pod.c

/*
 * Line6 Linux USB driver - 0.8.0
 *
 * Copyright (C) 2004-2009 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
 *	published by the Free Software Foundation, version 2.
 *
 */

#include "driver.h"

#include "audio.h"
#include "capture.h"
#include "control.h"
#include "playback.h"
#include "pod.h"


#define POD_SYSEX_CODE 3
#define POD_BYTES_PER_FRAME 6  /* 24bit audio (stereo) */


enum {
	POD_SYSEX_CLIP      = 0x0f,
	POD_SYSEX_SAVE      = 0x24,
	POD_SYSEX_SYSTEM    = 0x56,
	POD_SYSEX_SYSTEMREQ = 0x57,
	/* POD_SYSEX_UPDATE    = 0x6c, */  /* software update! */
	POD_SYSEX_STORE     = 0x71,
	POD_SYSEX_FINISH    = 0x72,
	POD_SYSEX_DUMPMEM   = 0x73,
	POD_SYSEX_DUMP      = 0x74,
	POD_SYSEX_DUMPREQ   = 0x75
	/* POD_SYSEX_DUMPMEM2  = 0x76 */   /* dumps entire internal memory of PODxt Pro */
};

enum {
	POD_monitor_level  = 0x04,
	POD_routing        = 0x05,
	POD_tuner_mute     = 0x13,
	POD_tuner_freq     = 0x15,
	POD_tuner_note     = 0x16,
	POD_tuner_pitch    = 0x17,
	POD_system_invalid = 0x7fff
};

enum {
	POD_DUMP_MEMORY = 2
};

enum {
	POD_BUSY_READ,
	POD_BUSY_WRITE,
	POD_CHANNEL_DIRTY,
	POD_SAVE_PRESSED,
	POD_BUSY_MIDISEND
};


static struct snd_ratden pod_ratden = {
	.num_min = 78125,
	.num_max = 78125,
	.num_step = 1,
	.den = 2
};

static struct line6_pcm_properties pod_pcm_properties = {
  .snd_line6_playback_hw = {
		.info = (SNDRV_PCM_INFO_MMAP |
						 SNDRV_PCM_INFO_INTERLEAVED |
						 SNDRV_PCM_INFO_BLOCK_TRANSFER |
						 SNDRV_PCM_INFO_MMAP_VALID |
						 SNDRV_PCM_INFO_PAUSE |
						 SNDRV_PCM_INFO_SYNC_START),
		.formats =          SNDRV_PCM_FMTBIT_S24_3LE,
		.rates =            SNDRV_PCM_RATE_KNOT,
		.rate_min =         39062,
		.rate_max =         39063,
		.channels_min =     2,
		.channels_max =     2,
		.buffer_bytes_max = 60000,
		.period_bytes_min = LINE6_ISO_PACKET_SIZE_MAX * POD_BYTES_PER_FRAME,  /* at least one URB must fit into one period */
		.period_bytes_max = 8192,
		.periods_min =      1,
		.periods_max =      1024
	},
  .snd_line6_capture_hw = {
		.info = (SNDRV_PCM_INFO_MMAP |
						 SNDRV_PCM_INFO_INTERLEAVED |
						 SNDRV_PCM_INFO_BLOCK_TRANSFER |
						 SNDRV_PCM_INFO_MMAP_VALID |
						 SNDRV_PCM_INFO_SYNC_START),
		.formats =          SNDRV_PCM_FMTBIT_S24_3LE,
		.rates =            SNDRV_PCM_RATE_KNOT,
		.rate_min =         39062,
		.rate_max =         39063,
		.channels_min =     2,
		.channels_max =     2,
		.buffer_bytes_max = 60000,
		.period_bytes_min = LINE6_ISO_PACKET_SIZE_MAX * POD_BYTES_PER_FRAME,  /* at least one URB must fit into one period */
		.period_bytes_max = 8192,
		.periods_min =      1,
		.periods_max =      1024
	},
	.snd_line6_rates = {
		.nrats = 1,
		.rats = &pod_ratden
	},
	.bytes_per_frame = POD_BYTES_PER_FRAME
};

static const char pod_request_version[] = { 0xf0, 0x7e, 0x7f, 0x06, 0x01, 0xf7 };
static const char pod_request_channel[] = { 0xf0, 0x00, 0x01, 0x0c, 0x03, 0x75, 0xf7 };
static const char pod_version_header[]  = { 0xf2, 0x7e, 0x7f, 0x06, 0x02 };


/*
	Mark all parameters as dirty and notify waiting processes.
*/
static void pod_mark_batch_all_dirty(struct usb_line6_pod *pod)
{