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![Greg Kroah-Hartman](/assets/img/avatar_default.png)
They should be writable by root, not readable. Doh, stupid me with the wrong flags. Reported-by: Jonathan Cameron <jic23@cam.ac.uk> Cc: Markus Grabner <grabner@icg.tugraz.at> Cc: Mariusz Kozlowski <m.kozlowski@tuxland.pl> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
1355 lines
36 KiB
C
1355 lines
36 KiB
C
/*
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* Line6 Linux USB driver - 0.9.1beta
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*
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* Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation, version 2.
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*
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*/
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#include <linux/slab.h>
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#include <linux/wait.h>
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#include <sound/control.h>
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#include "audio.h"
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#include "capture.h"
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#include "control.h"
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#include "driver.h"
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#include "playback.h"
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#include "pod.h"
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#define POD_SYSEX_CODE 3
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#define POD_BYTES_PER_FRAME 6 /* 24bit audio (stereo) */
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/* *INDENT-OFF* */
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enum {
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POD_SYSEX_CLIP = 0x0f,
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POD_SYSEX_SAVE = 0x24,
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POD_SYSEX_SYSTEM = 0x56,
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POD_SYSEX_SYSTEMREQ = 0x57,
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/* POD_SYSEX_UPDATE = 0x6c, */ /* software update! */
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POD_SYSEX_STORE = 0x71,
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POD_SYSEX_FINISH = 0x72,
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POD_SYSEX_DUMPMEM = 0x73,
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POD_SYSEX_DUMP = 0x74,
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POD_SYSEX_DUMPREQ = 0x75
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/* POD_SYSEX_DUMPMEM2 = 0x76 */ /* dumps entire internal memory of PODxt Pro */
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};
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enum {
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POD_monitor_level = 0x04,
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POD_routing = 0x05,
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POD_tuner_mute = 0x13,
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POD_tuner_freq = 0x15,
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POD_tuner_note = 0x16,
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POD_tuner_pitch = 0x17,
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POD_system_invalid = 0x10000
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};
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/* *INDENT-ON* */
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enum {
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POD_DUMP_MEMORY = 2
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};
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enum {
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POD_BUSY_READ,
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POD_BUSY_WRITE,
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POD_CHANNEL_DIRTY,
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POD_SAVE_PRESSED,
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POD_BUSY_MIDISEND
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};
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static struct snd_ratden pod_ratden = {
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.num_min = 78125,
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.num_max = 78125,
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.num_step = 1,
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.den = 2
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};
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static struct line6_pcm_properties pod_pcm_properties = {
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.snd_line6_playback_hw = {
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.info = (SNDRV_PCM_INFO_MMAP |
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SNDRV_PCM_INFO_INTERLEAVED |
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SNDRV_PCM_INFO_BLOCK_TRANSFER |
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SNDRV_PCM_INFO_MMAP_VALID |
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SNDRV_PCM_INFO_PAUSE |
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#ifdef CONFIG_PM
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SNDRV_PCM_INFO_RESUME |
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#endif
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SNDRV_PCM_INFO_SYNC_START),
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.formats = SNDRV_PCM_FMTBIT_S24_3LE,
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.rates = SNDRV_PCM_RATE_KNOT,
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.rate_min = 39062,
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.rate_max = 39063,
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.channels_min = 2,
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.channels_max = 2,
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.buffer_bytes_max = 60000,
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.period_bytes_min = 64,
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.period_bytes_max = 8192,
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.periods_min = 1,
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.periods_max = 1024},
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.snd_line6_capture_hw = {
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.info = (SNDRV_PCM_INFO_MMAP |
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SNDRV_PCM_INFO_INTERLEAVED |
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SNDRV_PCM_INFO_BLOCK_TRANSFER |
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SNDRV_PCM_INFO_MMAP_VALID |
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#ifdef CONFIG_PM
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SNDRV_PCM_INFO_RESUME |
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#endif
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SNDRV_PCM_INFO_SYNC_START),
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.formats = SNDRV_PCM_FMTBIT_S24_3LE,
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.rates = SNDRV_PCM_RATE_KNOT,
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.rate_min = 39062,
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.rate_max = 39063,
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.channels_min = 2,
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.channels_max = 2,
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.buffer_bytes_max = 60000,
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.period_bytes_min = 64,
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.period_bytes_max = 8192,
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.periods_min = 1,
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.periods_max = 1024},
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.snd_line6_rates = {
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.nrats = 1,
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.rats = &pod_ratden},
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.bytes_per_frame = POD_BYTES_PER_FRAME
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};
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static const char pod_request_channel[] = {
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0xf0, 0x00, 0x01, 0x0c, 0x03, 0x75, 0xf7
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};
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static const char pod_version_header[] = {
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0xf2, 0x7e, 0x7f, 0x06, 0x02
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};
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/* forward declarations: */
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static void pod_startup2(unsigned long data);
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static void pod_startup3(struct usb_line6_pod *pod);
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static void pod_startup4(struct usb_line6_pod *pod);
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/*
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Mark all parameters as dirty and notify waiting processes.
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*/
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static void pod_mark_batch_all_dirty(struct usb_line6_pod *pod)
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{
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int i;
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for (i = 0; i < POD_CONTROL_SIZE; i++)
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set_bit(i, pod->param_dirty);
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}
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static char *pod_alloc_sysex_buffer(struct usb_line6_pod *pod, int code,
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int size)
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{
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return line6_alloc_sysex_buffer(&pod->line6, POD_SYSEX_CODE, code,
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size);
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}
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/*
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Send channel dump data to the PODxt Pro.
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*/
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static void pod_dump(struct usb_line6_pod *pod, const unsigned char *data)
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{
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int size = 1 + sizeof(pod->prog_data);
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char *sysex = pod_alloc_sysex_buffer(pod, POD_SYSEX_DUMP, size);
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if (!sysex)
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return;
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/* Don't know what this is good for, but PODxt Pro transmits it, so we
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* also do... */
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sysex[SYSEX_DATA_OFS] = 5;
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memcpy(sysex + SYSEX_DATA_OFS + 1, data, sizeof(pod->prog_data));
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line6_send_sysex_message(&pod->line6, sysex, size);
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memcpy(&pod->prog_data, data, sizeof(pod->prog_data));
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pod_mark_batch_all_dirty(pod);
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kfree(sysex);
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}
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/*
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Store parameter value in driver memory and mark it as dirty.
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*/
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static void pod_store_parameter(struct usb_line6_pod *pod, int param, int value)
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{
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pod->prog_data.control[param] = value;
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set_bit(param, pod->param_dirty);
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pod->dirty = 1;
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}
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/*
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Handle SAVE button.
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*/
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static void pod_save_button_pressed(struct usb_line6_pod *pod, int type,
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int index)
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{
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pod->dirty = 0;
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set_bit(POD_SAVE_PRESSED, &pod->atomic_flags);
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}
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/*
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Process a completely received message.
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*/
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void line6_pod_process_message(struct usb_line6_pod *pod)
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{
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const unsigned char *buf = pod->line6.buffer_message;
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/* filter messages by type */
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switch (buf[0] & 0xf0) {
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case LINE6_PARAM_CHANGE:
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case LINE6_PROGRAM_CHANGE:
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case LINE6_SYSEX_BEGIN:
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break; /* handle these further down */
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default:
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return; /* ignore all others */
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}
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/* process all remaining messages */
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switch (buf[0]) {
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case LINE6_PARAM_CHANGE | LINE6_CHANNEL_DEVICE:
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pod_store_parameter(pod, buf[1], buf[2]);
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/* intentionally no break here! */
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case LINE6_PARAM_CHANGE | LINE6_CHANNEL_HOST:
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if ((buf[1] == POD_amp_model_setup) ||
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(buf[1] == POD_effect_setup))
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/* these also affect other settings */
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line6_dump_request_async(&pod->dumpreq, &pod->line6, 0,
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LINE6_DUMP_CURRENT);
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break;
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case LINE6_PROGRAM_CHANGE | LINE6_CHANNEL_DEVICE:
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case LINE6_PROGRAM_CHANGE | LINE6_CHANNEL_HOST:
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pod->channel_num = buf[1];
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pod->dirty = 0;
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set_bit(POD_CHANNEL_DIRTY, &pod->atomic_flags);
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line6_dump_request_async(&pod->dumpreq, &pod->line6, 0,
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LINE6_DUMP_CURRENT);
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break;
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case LINE6_SYSEX_BEGIN | LINE6_CHANNEL_DEVICE:
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case LINE6_SYSEX_BEGIN | LINE6_CHANNEL_UNKNOWN:
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if (memcmp(buf + 1, line6_midi_id, sizeof(line6_midi_id)) == 0) {
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switch (buf[5]) {
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case POD_SYSEX_DUMP:
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if (pod->line6.message_length ==
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sizeof(pod->prog_data) + 7) {
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switch (pod->dumpreq.in_progress) {
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case LINE6_DUMP_CURRENT:
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memcpy(&pod->prog_data, buf + 7,
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sizeof(pod->prog_data));
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pod_mark_batch_all_dirty(pod);
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break;
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case POD_DUMP_MEMORY:
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memcpy(&pod->prog_data_buf,
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buf + 7,
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sizeof
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(pod->prog_data_buf));
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break;
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default:
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DEBUG_MESSAGES(dev_err
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(pod->
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line6.ifcdev,
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"unknown dump code %02X\n",
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pod->
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dumpreq.in_progress));
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}
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line6_dump_finished(&pod->dumpreq);
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pod_startup3(pod);
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} else
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DEBUG_MESSAGES(dev_err
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(pod->line6.ifcdev,
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"wrong size of channel dump message (%d instead of %d)\n",
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pod->
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line6.message_length,
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(int)
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sizeof(pod->prog_data) +
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7));
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break;
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case POD_SYSEX_SYSTEM:{
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short value =
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((int)buf[7] << 12) | ((int)buf[8]
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<< 8) |
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((int)buf[9] << 4) | (int)buf[10];
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#define PROCESS_SYSTEM_PARAM(x) \
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case POD_ ## x: \
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pod->x.value = value; \
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wake_up(&pod->x.wait); \
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break;
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switch (buf[6]) {
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PROCESS_SYSTEM_PARAM
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(monitor_level);
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PROCESS_SYSTEM_PARAM(routing);
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PROCESS_SYSTEM_PARAM
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(tuner_mute);
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PROCESS_SYSTEM_PARAM
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(tuner_freq);
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PROCESS_SYSTEM_PARAM
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(tuner_note);
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PROCESS_SYSTEM_PARAM
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(tuner_pitch);
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#undef PROCESS_SYSTEM_PARAM
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default:
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DEBUG_MESSAGES(dev_err
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(pod->
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line6.ifcdev,
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"unknown tuner/system response %02X\n",
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buf[6]));
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}
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break;
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}
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case POD_SYSEX_FINISH:
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/* do we need to respond to this? */
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break;
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case POD_SYSEX_SAVE:
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pod_save_button_pressed(pod, buf[6], buf[7]);
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break;
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case POD_SYSEX_CLIP:
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DEBUG_MESSAGES(dev_err
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(pod->line6.ifcdev,
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"audio clipped\n"));
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pod->clipping.value = 1;
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wake_up(&pod->clipping.wait);
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break;
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case POD_SYSEX_STORE:
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DEBUG_MESSAGES(dev_err
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(pod->line6.ifcdev,
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"message %02X not yet implemented\n",
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buf[5]));
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break;
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default:
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DEBUG_MESSAGES(dev_err
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(pod->line6.ifcdev,
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"unknown sysex message %02X\n",
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buf[5]));
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}
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} else
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if (memcmp
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(buf, pod_version_header,
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sizeof(pod_version_header)) == 0) {
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pod->firmware_version =
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buf[13] * 100 + buf[14] * 10 + buf[15];
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pod->device_id =
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((int)buf[8] << 16) | ((int)buf[9] << 8) | (int)
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buf[10];
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pod_startup4(pod);
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} else
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DEBUG_MESSAGES(dev_err
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(pod->line6.ifcdev,
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"unknown sysex header\n"));
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break;
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case LINE6_SYSEX_END:
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break;
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default:
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DEBUG_MESSAGES(dev_err
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(pod->line6.ifcdev,
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"POD: unknown message %02X\n", buf[0]));
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}
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}
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/*
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Detect some cases that require a channel dump after sending a command to the
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device. Important notes:
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*) The actual dump request can not be sent here since we are not allowed to
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wait for the completion of the first message in this context, and sending
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the dump request before completion of the previous message leaves the POD
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in an undefined state. The dump request will be sent when the echoed
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commands are received.
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*) This method fails if a param change message is "chopped" after the first
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byte.
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*/
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void line6_pod_midi_postprocess(struct usb_line6_pod *pod, unsigned char *data,
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int length)
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{
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int i;
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if (!pod->midi_postprocess)
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return;
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for (i = 0; i < length; ++i) {
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if (data[i] == (LINE6_PROGRAM_CHANGE | LINE6_CHANNEL_HOST)) {
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line6_invalidate_current(&pod->dumpreq);
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break;
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} else
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if ((data[i] == (LINE6_PARAM_CHANGE | LINE6_CHANNEL_HOST))
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&& (i < length - 1))
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if ((data[i + 1] == POD_amp_model_setup)
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|| (data[i + 1] == POD_effect_setup)) {
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line6_invalidate_current(&pod->dumpreq);
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break;
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}
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}
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}
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/*
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Send channel number (i.e., switch to a different sound).
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*/
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static void pod_send_channel(struct usb_line6_pod *pod, int value)
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{
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line6_invalidate_current(&pod->dumpreq);
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if (line6_send_program(&pod->line6, value) == 0)
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pod->channel_num = value;
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else
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line6_dump_finished(&pod->dumpreq);
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}
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/*
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Transmit PODxt Pro control parameter.
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*/
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void line6_pod_transmit_parameter(struct usb_line6_pod *pod, int param,
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int value)
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{
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if (line6_transmit_parameter(&pod->line6, param, value) == 0)
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pod_store_parameter(pod, param, value);
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if ((param == POD_amp_model_setup) || (param == POD_effect_setup)) /* these also affect other settings */
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line6_invalidate_current(&pod->dumpreq);
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}
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/*
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Resolve value to memory location.
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*/
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static int pod_resolve(const char *buf, short block0, short block1,
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unsigned char *location)
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{
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unsigned long value;
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short block;
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int ret;
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ret = strict_strtoul(buf, 10, &value);
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if (ret)
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return ret;
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block = (value < 0x40) ? block0 : block1;
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value &= 0x3f;
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location[0] = block >> 7;
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location[1] = value | (block & 0x7f);
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return 0;
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}
|
|
|
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/*
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Send command to store channel/effects setup/amp setup to PODxt Pro.
|
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*/
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static ssize_t pod_send_store_command(struct device *dev, const char *buf,
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size_t count, short block0, short block1)
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{
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struct usb_interface *interface = to_usb_interface(dev);
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struct usb_line6_pod *pod = usb_get_intfdata(interface);
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int ret;
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int size = 3 + sizeof(pod->prog_data_buf);
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char *sysex = pod_alloc_sysex_buffer(pod, POD_SYSEX_STORE, size);
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if (!sysex)
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return 0;
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|
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sysex[SYSEX_DATA_OFS] = 5; /* see pod_dump() */
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ret = pod_resolve(buf, block0, block1, sysex + SYSEX_DATA_OFS + 1);
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if (ret) {
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kfree(sysex);
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return ret;
|
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}
|
|
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memcpy(sysex + SYSEX_DATA_OFS + 3, &pod->prog_data_buf,
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sizeof(pod->prog_data_buf));
|
|
|
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line6_send_sysex_message(&pod->line6, sysex, size);
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kfree(sysex);
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|
/* needs some delay here on AMD64 platform */
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return count;
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}
|
|
|
|
/*
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Send command to retrieve channel/effects setup/amp setup to PODxt Pro.
|
|
*/
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static ssize_t pod_send_retrieve_command(struct device *dev, const char *buf,
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size_t count, short block0,
|
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short block1)
|
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{
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struct usb_interface *interface = to_usb_interface(dev);
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struct usb_line6_pod *pod = usb_get_intfdata(interface);
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int ret;
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int size = 4;
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char *sysex = pod_alloc_sysex_buffer(pod, POD_SYSEX_DUMPMEM, size);
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|
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if (!sysex)
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return 0;
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|
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ret = pod_resolve(buf, block0, block1, sysex + SYSEX_DATA_OFS);
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if (ret) {
|
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kfree(sysex);
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return ret;
|
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}
|
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sysex[SYSEX_DATA_OFS + 2] = 0;
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sysex[SYSEX_DATA_OFS + 3] = 0;
|
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line6_dump_started(&pod->dumpreq, POD_DUMP_MEMORY);
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|
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if (line6_send_sysex_message(&pod->line6, sysex, size) < size)
|
|
line6_dump_finished(&pod->dumpreq);
|
|
|
|
kfree(sysex);
|
|
/* needs some delay here on AMD64 platform */
|
|
return count;
|
|
}
|
|
|
|
/*
|
|
Generic get name function.
|
|
*/
|
|
static ssize_t get_name_generic(struct usb_line6_pod *pod, const char *str,
|
|
char *buf)
|
|
{
|
|
int length = 0;
|
|
const char *p1;
|
|
char *p2;
|
|
char *last_non_space = buf;
|
|
|
|
int retval = line6_dump_wait_interruptible(&pod->dumpreq);
|
|
if (retval < 0)
|
|
return retval;
|
|
|
|
for (p1 = str, p2 = buf; *p1; ++p1, ++p2) {
|
|
*p2 = *p1;
|
|
if (*p2 != ' ')
|
|
last_non_space = p2;
|
|
if (++length == POD_NAME_LENGTH)
|
|
break;
|
|
}
|
|
|
|
*(last_non_space + 1) = '\n';
|
|
return last_non_space - buf + 2;
|
|
}
|
|
|
|
/*
|
|
"read" request on "channel" special file.
|
|
*/
|
|
static ssize_t pod_get_channel(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
struct usb_interface *interface = to_usb_interface(dev);
|
|
struct usb_line6_pod *pod = usb_get_intfdata(interface);
|
|
return sprintf(buf, "%d\n", pod->channel_num);
|
|
}
|
|
|
|
/*
|
|
"write" request on "channel" special file.
|
|
*/
|
|
static ssize_t pod_set_channel(struct device *dev,
|
|
struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct usb_interface *interface = to_usb_interface(dev);
|
|
struct usb_line6_pod *pod = usb_get_intfdata(interface);
|
|
unsigned long value;
|
|
int ret;
|
|
|
|
ret = strict_strtoul(buf, 10, &value);
|
|
if (ret)
|
|
return ret;
|
|
|
|
pod_send_channel(pod, value);
|
|
return count;
|
|
}
|
|
|
|
/*
|
|
"read" request on "name" special file.
|
|
*/
|
|
static ssize_t pod_get_name(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct usb_interface *interface = to_usb_interface(dev);
|
|
struct usb_line6_pod *pod = usb_get_intfdata(interface);
|
|
return get_name_generic(pod, pod->prog_data.header + POD_NAME_OFFSET,
|
|
buf);
|
|
}
|
|
|
|
/*
|
|
"read" request on "name" special file.
|
|
*/
|
|
static ssize_t pod_get_name_buf(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
struct usb_interface *interface = to_usb_interface(dev);
|
|
struct usb_line6_pod *pod = usb_get_intfdata(interface);
|
|
return get_name_generic(pod,
|
|
pod->prog_data_buf.header + POD_NAME_OFFSET,
|
|
buf);
|
|
}
|
|
|
|
/*
|
|
"read" request on "dump" special file.
|
|
*/
|
|
static ssize_t pod_get_dump(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct usb_interface *interface = to_usb_interface(dev);
|
|
struct usb_line6_pod *pod = usb_get_intfdata(interface);
|
|
int retval = line6_dump_wait_interruptible(&pod->dumpreq);
|
|
if (retval < 0)
|
|
return retval;
|
|
memcpy(buf, &pod->prog_data, sizeof(pod->prog_data));
|
|
return sizeof(pod->prog_data);
|
|
}
|
|
|
|
/*
|
|
"write" request on "dump" special file.
|
|
*/
|
|
static ssize_t pod_set_dump(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct usb_interface *interface = to_usb_interface(dev);
|
|
struct usb_line6_pod *pod = usb_get_intfdata(interface);
|
|
|
|
if (count != sizeof(pod->prog_data)) {
|
|
dev_err(pod->line6.ifcdev,
|
|
"data block must be exactly %d bytes\n",
|
|
(int)sizeof(pod->prog_data));
|
|
return -EINVAL;
|
|
}
|
|
|
|
pod_dump(pod, buf);
|
|
return sizeof(pod->prog_data);
|
|
}
|
|
|
|
/*
|
|
Identify system parameters related to the tuner.
|
|
*/
|
|
static bool pod_is_tuner(int code)
|
|
{
|
|
return
|
|
(code == POD_tuner_mute) ||
|
|
(code == POD_tuner_freq) ||
|
|
(code == POD_tuner_note) || (code == POD_tuner_pitch);
|
|
}
|
|
|
|
/*
|
|
Get system parameter (as integer).
|
|
@param tuner non-zero, if code refers to a tuner parameter
|
|
*/
|
|
static int pod_get_system_param_int(struct usb_line6_pod *pod, int *value,
|
|
int code, struct ValueWait *param, int sign)
|
|
{
|
|
char *sysex;
|
|
static const int size = 1;
|
|
int retval = 0;
|
|
|
|
if (((pod->prog_data.control[POD_tuner] & 0x40) == 0)
|
|
&& pod_is_tuner(code))
|
|
return -ENODEV;
|
|
|
|
/* send value request to device: */
|
|
param->value = POD_system_invalid;
|
|
sysex = pod_alloc_sysex_buffer(pod, POD_SYSEX_SYSTEMREQ, size);
|
|
|
|
if (!sysex)
|
|
return -ENOMEM;
|
|
|
|
sysex[SYSEX_DATA_OFS] = code;
|
|
line6_send_sysex_message(&pod->line6, sysex, size);
|
|
kfree(sysex);
|
|
|
|
/* wait for device to respond: */
|
|
retval =
|
|
wait_event_interruptible(param->wait,
|
|
param->value != POD_system_invalid);
|
|
|
|
if (retval < 0)
|
|
return retval;
|
|
|
|
*value = sign ? (int)(signed short)param->value : (int)(unsigned short)
|
|
param->value;
|
|
|
|
if (*value == POD_system_invalid)
|
|
*value = 0; /* don't report uninitialized values */
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
Get system parameter (as string).
|
|
@param tuner non-zero, if code refers to a tuner parameter
|
|
*/
|
|
static ssize_t pod_get_system_param_string(struct usb_line6_pod *pod, char *buf,
|
|
int code, struct ValueWait *param,
|
|
int sign)
|
|
{
|
|
int retval, value = 0;
|
|
retval = pod_get_system_param_int(pod, &value, code, param, sign);
|
|
|
|
if (retval < 0)
|
|
return retval;
|
|
|
|
return sprintf(buf, "%d\n", value);
|
|
}
|
|
|
|
/*
|
|
Send system parameter (from integer).
|
|
@param tuner non-zero, if code refers to a tuner parameter
|
|
*/
|
|
static int pod_set_system_param_int(struct usb_line6_pod *pod, int value,
|
|
int code)
|
|
{
|
|
char *sysex;
|
|
static const int size = 5;
|
|
|
|
if (((pod->prog_data.control[POD_tuner] & 0x40) == 0)
|
|
&& pod_is_tuner(code))
|
|
return -EINVAL;
|
|
|
|
/* send value to tuner: */
|
|
sysex = pod_alloc_sysex_buffer(pod, POD_SYSEX_SYSTEM, size);
|
|
if (!sysex)
|
|
return -ENOMEM;
|
|
sysex[SYSEX_DATA_OFS] = code;
|
|
sysex[SYSEX_DATA_OFS + 1] = (value >> 12) & 0x0f;
|
|
sysex[SYSEX_DATA_OFS + 2] = (value >> 8) & 0x0f;
|
|
sysex[SYSEX_DATA_OFS + 3] = (value >> 4) & 0x0f;
|
|
sysex[SYSEX_DATA_OFS + 4] = (value) & 0x0f;
|
|
line6_send_sysex_message(&pod->line6, sysex, size);
|
|
kfree(sysex);
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
Send system parameter (from string).
|
|
@param tuner non-zero, if code refers to a tuner parameter
|
|
*/
|
|
static ssize_t pod_set_system_param_string(struct usb_line6_pod *pod,
|
|
const char *buf, int count, int code,
|
|
unsigned short mask)
|
|
{
|
|
int retval;
|
|
unsigned short value = simple_strtoul(buf, NULL, 10) & mask;
|
|
retval = pod_set_system_param_int(pod, value, code);
|
|
return (retval < 0) ? retval : count;
|
|
}
|
|
|
|
/*
|
|
"read" request on "dump_buf" special file.
|
|
*/
|
|
static ssize_t pod_get_dump_buf(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
struct usb_interface *interface = to_usb_interface(dev);
|
|
struct usb_line6_pod *pod = usb_get_intfdata(interface);
|
|
int retval = line6_dump_wait_interruptible(&pod->dumpreq);
|
|
if (retval < 0)
|
|
return retval;
|
|
memcpy(buf, &pod->prog_data_buf, sizeof(pod->prog_data_buf));
|
|
return sizeof(pod->prog_data_buf);
|
|
}
|
|
|
|
/*
|
|
"write" request on "dump_buf" special file.
|
|
*/
|
|
static ssize_t pod_set_dump_buf(struct device *dev,
|
|
struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct usb_interface *interface = to_usb_interface(dev);
|
|
struct usb_line6_pod *pod = usb_get_intfdata(interface);
|
|
|
|
if (count != sizeof(pod->prog_data)) {
|
|
dev_err(pod->line6.ifcdev,
|
|
"data block must be exactly %d bytes\n",
|
|
(int)sizeof(pod->prog_data));
|
|
return -EINVAL;
|
|
}
|
|
|
|
memcpy(&pod->prog_data_buf, buf, sizeof(pod->prog_data));
|
|
return sizeof(pod->prog_data);
|
|
}
|
|
|
|
/*
|
|
"write" request on "finish" special file.
|
|
*/
|
|
static ssize_t pod_set_finish(struct device *dev,
|
|
struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct usb_interface *interface = to_usb_interface(dev);
|
|
struct usb_line6_pod *pod = usb_get_intfdata(interface);
|
|
int size = 0;
|
|
char *sysex = pod_alloc_sysex_buffer(pod, POD_SYSEX_FINISH, size);
|
|
if (!sysex)
|
|
return 0;
|
|
line6_send_sysex_message(&pod->line6, sysex, size);
|
|
kfree(sysex);
|
|
return count;
|
|
}
|
|
|
|
/*
|
|
"write" request on "store_channel" special file.
|
|
*/
|
|
static ssize_t pod_set_store_channel(struct device *dev,
|
|
struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
return pod_send_store_command(dev, buf, count, 0x0000, 0x00c0);
|
|
}
|
|
|
|
/*
|
|
"write" request on "store_effects_setup" special file.
|
|
*/
|
|
static ssize_t pod_set_store_effects_setup(struct device *dev,
|
|
struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
return pod_send_store_command(dev, buf, count, 0x0080, 0x0080);
|
|
}
|
|
|
|
/*
|
|
"write" request on "store_amp_setup" special file.
|
|
*/
|
|
static ssize_t pod_set_store_amp_setup(struct device *dev,
|
|
struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
return pod_send_store_command(dev, buf, count, 0x0040, 0x0100);
|
|
}
|
|
|
|
/*
|
|
"write" request on "retrieve_channel" special file.
|
|
*/
|
|
static ssize_t pod_set_retrieve_channel(struct device *dev,
|
|
struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
return pod_send_retrieve_command(dev, buf, count, 0x0000, 0x00c0);
|
|
}
|
|
|
|
/*
|
|
"write" request on "retrieve_effects_setup" special file.
|
|
*/
|
|
static ssize_t pod_set_retrieve_effects_setup(struct device *dev,
|
|
struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
return pod_send_retrieve_command(dev, buf, count, 0x0080, 0x0080);
|
|
}
|
|
|
|
/*
|
|
"write" request on "retrieve_amp_setup" special file.
|
|
*/
|
|
static ssize_t pod_set_retrieve_amp_setup(struct device *dev,
|
|
struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
return pod_send_retrieve_command(dev, buf, count, 0x0040, 0x0100);
|
|
}
|
|
|
|
/*
|
|
"read" request on "dirty" special file.
|
|
*/
|
|
static ssize_t pod_get_dirty(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct usb_interface *interface = to_usb_interface(dev);
|
|
struct usb_line6_pod *pod = usb_get_intfdata(interface);
|
|
buf[0] = pod->dirty ? '1' : '0';
|
|
buf[1] = '\n';
|
|
return 2;
|
|
}
|
|
|
|
/*
|
|
"read" request on "midi_postprocess" special file.
|
|
*/
|
|
static ssize_t pod_get_midi_postprocess(struct device *dev,
|
|
struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct usb_interface *interface = to_usb_interface(dev);
|
|
struct usb_line6_pod *pod = usb_get_intfdata(interface);
|
|
return sprintf(buf, "%d\n", pod->midi_postprocess);
|
|
}
|
|
|
|
/*
|
|
"write" request on "midi_postprocess" special file.
|
|
*/
|
|
static ssize_t pod_set_midi_postprocess(struct device *dev,
|
|
struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct usb_interface *interface = to_usb_interface(dev);
|
|
struct usb_line6_pod *pod = usb_get_intfdata(interface);
|
|
unsigned long value;
|
|
int ret;
|
|
|
|
ret = strict_strtoul(buf, 10, &value);
|
|
if (ret)
|
|
return ret;
|
|
|
|
pod->midi_postprocess = value ? 1 : 0;
|
|
return count;
|
|
}
|
|
|
|
/*
|
|
"read" request on "serial_number" special file.
|
|
*/
|
|
static ssize_t pod_get_serial_number(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
struct usb_interface *interface = to_usb_interface(dev);
|
|
struct usb_line6_pod *pod = usb_get_intfdata(interface);
|
|
return sprintf(buf, "%d\n", pod->serial_number);
|
|
}
|
|
|
|
/*
|
|
"read" request on "firmware_version" special file.
|
|
*/
|
|
static ssize_t pod_get_firmware_version(struct device *dev,
|
|
struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct usb_interface *interface = to_usb_interface(dev);
|
|
struct usb_line6_pod *pod = usb_get_intfdata(interface);
|
|
return sprintf(buf, "%d.%02d\n", pod->firmware_version / 100,
|
|
pod->firmware_version % 100);
|
|
}
|
|
|
|
/*
|
|
"read" request on "device_id" special file.
|
|
*/
|
|
static ssize_t pod_get_device_id(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
struct usb_interface *interface = to_usb_interface(dev);
|
|
struct usb_line6_pod *pod = usb_get_intfdata(interface);
|
|
return sprintf(buf, "%d\n", pod->device_id);
|
|
}
|
|
|
|
/*
|
|
"read" request on "clip" special file.
|
|
*/
|
|
static ssize_t pod_wait_for_clip(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
struct usb_interface *interface = to_usb_interface(dev);
|
|
struct usb_line6_pod *pod = usb_get_intfdata(interface);
|
|
return wait_event_interruptible(pod->clipping.wait,
|
|
pod->clipping.value != 0);
|
|
}
|
|
|
|
/*
|
|
POD startup procedure.
|
|
This is a sequence of functions with special requirements (e.g., must
|
|
not run immediately after initialization, must not run in interrupt
|
|
context). After the last one has finished, the device is ready to use.
|
|
*/
|
|
|
|
static void pod_startup1(struct usb_line6_pod *pod)
|
|
{
|
|
CHECK_STARTUP_PROGRESS(pod->startup_progress, POD_STARTUP_INIT);
|
|
|
|
/* delay startup procedure: */
|
|
line6_start_timer(&pod->startup_timer, POD_STARTUP_DELAY, pod_startup2,
|
|
(unsigned long)pod);
|
|
}
|
|
|
|
static void pod_startup2(unsigned long data)
|
|
{
|
|
struct usb_line6_pod *pod = (struct usb_line6_pod *)data;
|
|
|
|
/* schedule another startup procedure until startup is complete: */
|
|
if (pod->startup_progress >= POD_STARTUP_LAST)
|
|
return;
|
|
|
|
pod->startup_progress = POD_STARTUP_DUMPREQ;
|
|
line6_start_timer(&pod->startup_timer, POD_STARTUP_DELAY, pod_startup2,
|
|
(unsigned long)pod);
|
|
|
|
/* current channel dump: */
|
|
line6_dump_request_async(&pod->dumpreq, &pod->line6, 0,
|
|
LINE6_DUMP_CURRENT);
|
|
}
|
|
|
|
static void pod_startup3(struct usb_line6_pod *pod)
|
|
{
|
|
struct usb_line6 *line6 = &pod->line6;
|
|
CHECK_STARTUP_PROGRESS(pod->startup_progress, POD_STARTUP_VERSIONREQ);
|
|
|
|
/* request firmware version: */
|
|
line6_version_request_async(line6);
|
|
}
|
|
|
|
static void pod_startup4(struct usb_line6_pod *pod)
|
|
{
|
|
CHECK_STARTUP_PROGRESS(pod->startup_progress, POD_STARTUP_WORKQUEUE);
|
|
|
|
/* schedule work for global work queue: */
|
|
schedule_work(&pod->startup_work);
|
|
}
|
|
|
|
static void pod_startup5(struct work_struct *work)
|
|
{
|
|
struct usb_line6_pod *pod =
|
|
container_of(work, struct usb_line6_pod, startup_work);
|
|
struct usb_line6 *line6 = &pod->line6;
|
|
|
|
CHECK_STARTUP_PROGRESS(pod->startup_progress, POD_STARTUP_SETUP);
|
|
|
|
/* serial number: */
|
|
line6_read_serial_number(&pod->line6, &pod->serial_number);
|
|
|
|
/* ALSA audio interface: */
|
|
line6_register_audio(line6);
|
|
|
|
/* device files: */
|
|
line6_pod_create_files(pod->firmware_version,
|
|
line6->properties->device_bit, line6->ifcdev);
|
|
}
|
|
|
|
#define POD_GET_SYSTEM_PARAM(code, sign) \
|
|
static ssize_t pod_get_ ## code(struct device *dev, \
|
|
struct device_attribute *attr, char *buf) \
|
|
{ \
|
|
struct usb_interface *interface = to_usb_interface(dev); \
|
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struct usb_line6_pod *pod = usb_get_intfdata(interface); \
|
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return pod_get_system_param_string(pod, buf, POD_ ## code, \
|
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&pod->code, sign); \
|
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}
|
|
|
|
#define POD_GET_SET_SYSTEM_PARAM(code, mask, sign) \
|
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POD_GET_SYSTEM_PARAM(code, sign) \
|
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static ssize_t pod_set_ ## code(struct device *dev, \
|
|
struct device_attribute *attr, \
|
|
const char *buf, size_t count) \
|
|
{ \
|
|
struct usb_interface *interface = to_usb_interface(dev); \
|
|
struct usb_line6_pod *pod = usb_get_intfdata(interface); \
|
|
return pod_set_system_param_string(pod, buf, count, POD_ ## code, mask); \
|
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}
|
|
|
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POD_GET_SET_SYSTEM_PARAM(monitor_level, 0xffff, 0);
|
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POD_GET_SET_SYSTEM_PARAM(routing, 0x0003, 0);
|
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POD_GET_SET_SYSTEM_PARAM(tuner_mute, 0x0001, 0);
|
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POD_GET_SET_SYSTEM_PARAM(tuner_freq, 0xffff, 0);
|
|
POD_GET_SYSTEM_PARAM(tuner_note, 1);
|
|
POD_GET_SYSTEM_PARAM(tuner_pitch, 1);
|
|
|
|
#undef GET_SET_SYSTEM_PARAM
|
|
#undef GET_SYSTEM_PARAM
|
|
|
|
/* POD special files: */
|
|
static DEVICE_ATTR(channel, S_IWUSR | S_IRUGO, pod_get_channel,
|
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pod_set_channel);
|
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static DEVICE_ATTR(clip, S_IRUGO, pod_wait_for_clip, line6_nop_write);
|
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static DEVICE_ATTR(device_id, S_IRUGO, pod_get_device_id, line6_nop_write);
|
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static DEVICE_ATTR(dirty, S_IRUGO, pod_get_dirty, line6_nop_write);
|
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static DEVICE_ATTR(dump, S_IWUSR | S_IRUGO, pod_get_dump, pod_set_dump);
|
|
static DEVICE_ATTR(dump_buf, S_IWUSR | S_IRUGO, pod_get_dump_buf,
|
|
pod_set_dump_buf);
|
|
static DEVICE_ATTR(finish, S_IWUSR, line6_nop_read, pod_set_finish);
|
|
static DEVICE_ATTR(firmware_version, S_IRUGO, pod_get_firmware_version,
|
|
line6_nop_write);
|
|
static DEVICE_ATTR(midi_postprocess, S_IWUSR | S_IRUGO,
|
|
pod_get_midi_postprocess, pod_set_midi_postprocess);
|
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static DEVICE_ATTR(monitor_level, S_IWUSR | S_IRUGO, pod_get_monitor_level,
|
|
pod_set_monitor_level);
|
|
static DEVICE_ATTR(name, S_IRUGO, pod_get_name, line6_nop_write);
|
|
static DEVICE_ATTR(name_buf, S_IRUGO, pod_get_name_buf, line6_nop_write);
|
|
static DEVICE_ATTR(retrieve_amp_setup, S_IWUSR, line6_nop_read,
|
|
pod_set_retrieve_amp_setup);
|
|
static DEVICE_ATTR(retrieve_channel, S_IWUSR, line6_nop_read,
|
|
pod_set_retrieve_channel);
|
|
static DEVICE_ATTR(retrieve_effects_setup, S_IWUSR, line6_nop_read,
|
|
pod_set_retrieve_effects_setup);
|
|
static DEVICE_ATTR(routing, S_IWUSR | S_IRUGO, pod_get_routing,
|
|
pod_set_routing);
|
|
static DEVICE_ATTR(serial_number, S_IRUGO, pod_get_serial_number,
|
|
line6_nop_write);
|
|
static DEVICE_ATTR(store_amp_setup, S_IWUSR, line6_nop_read,
|
|
pod_set_store_amp_setup);
|
|
static DEVICE_ATTR(store_channel, S_IWUSR, line6_nop_read,
|
|
pod_set_store_channel);
|
|
static DEVICE_ATTR(store_effects_setup, S_IWUSR, line6_nop_read,
|
|
pod_set_store_effects_setup);
|
|
static DEVICE_ATTR(tuner_freq, S_IWUSR | S_IRUGO, pod_get_tuner_freq,
|
|
pod_set_tuner_freq);
|
|
static DEVICE_ATTR(tuner_mute, S_IWUSR | S_IRUGO, pod_get_tuner_mute,
|
|
pod_set_tuner_mute);
|
|
static DEVICE_ATTR(tuner_note, S_IRUGO, pod_get_tuner_note, line6_nop_write);
|
|
static DEVICE_ATTR(tuner_pitch, S_IRUGO, pod_get_tuner_pitch, line6_nop_write);
|
|
|
|
#ifdef CONFIG_LINE6_USB_RAW
|
|
static DEVICE_ATTR(raw, S_IWUSR, line6_nop_read, line6_set_raw);
|
|
#endif
|
|
|
|
/* control info callback */
|
|
static int snd_pod_control_monitor_info(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_info *uinfo)
|
|
{
|
|
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
|
|
uinfo->count = 1;
|
|
uinfo->value.integer.min = 0;
|
|
uinfo->value.integer.max = 65535;
|
|
return 0;
|
|
}
|
|
|
|
/* control get callback */
|
|
static int snd_pod_control_monitor_get(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);
|
|
struct usb_line6_pod *pod = (struct usb_line6_pod *)line6pcm->line6;
|
|
ucontrol->value.integer.value[0] = pod->monitor_level.value;
|
|
return 0;
|
|
}
|
|
|
|
/* control put callback */
|
|
static int snd_pod_control_monitor_put(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);
|
|
struct usb_line6_pod *pod = (struct usb_line6_pod *)line6pcm->line6;
|
|
|
|
if (ucontrol->value.integer.value[0] == pod->monitor_level.value)
|
|
return 0;
|
|
|
|
pod->monitor_level.value = ucontrol->value.integer.value[0];
|
|
pod_set_system_param_int(pod, ucontrol->value.integer.value[0],
|
|
POD_monitor_level);
|
|
return 1;
|
|
}
|
|
|
|
/* control definition */
|
|
static struct snd_kcontrol_new pod_control_monitor = {
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.name = "Monitor Playback Volume",
|
|
.index = 0,
|
|
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
|
|
.info = snd_pod_control_monitor_info,
|
|
.get = snd_pod_control_monitor_get,
|
|
.put = snd_pod_control_monitor_put
|
|
};
|
|
|
|
/*
|
|
POD destructor.
|
|
*/
|
|
static void pod_destruct(struct usb_interface *interface)
|
|
{
|
|
struct usb_line6_pod *pod = usb_get_intfdata(interface);
|
|
struct usb_line6 *line6;
|
|
|
|
if (pod == NULL)
|
|
return;
|
|
line6 = &pod->line6;
|
|
if (line6 == NULL)
|
|
return;
|
|
line6_cleanup_audio(line6);
|
|
|
|
del_timer(&pod->startup_timer);
|
|
cancel_work_sync(&pod->startup_work);
|
|
|
|
/* free dump request data: */
|
|
line6_dumpreq_destruct(&pod->dumpreq);
|
|
}
|
|
|
|
/*
|
|
Create sysfs entries.
|
|
*/
|
|
static int pod_create_files2(struct device *dev)
|
|
{
|
|
int err;
|
|
|
|
CHECK_RETURN(device_create_file(dev, &dev_attr_channel));
|
|
CHECK_RETURN(device_create_file(dev, &dev_attr_clip));
|
|
CHECK_RETURN(device_create_file(dev, &dev_attr_device_id));
|
|
CHECK_RETURN(device_create_file(dev, &dev_attr_dirty));
|
|
CHECK_RETURN(device_create_file(dev, &dev_attr_dump));
|
|
CHECK_RETURN(device_create_file(dev, &dev_attr_dump_buf));
|
|
CHECK_RETURN(device_create_file(dev, &dev_attr_finish));
|
|
CHECK_RETURN(device_create_file(dev, &dev_attr_firmware_version));
|
|
CHECK_RETURN(device_create_file(dev, &dev_attr_midi_postprocess));
|
|
CHECK_RETURN(device_create_file(dev, &dev_attr_monitor_level));
|
|
CHECK_RETURN(device_create_file(dev, &dev_attr_name));
|
|
CHECK_RETURN(device_create_file(dev, &dev_attr_name_buf));
|
|
CHECK_RETURN(device_create_file(dev, &dev_attr_retrieve_amp_setup));
|
|
CHECK_RETURN(device_create_file(dev, &dev_attr_retrieve_channel));
|
|
CHECK_RETURN(device_create_file(dev, &dev_attr_retrieve_effects_setup));
|
|
CHECK_RETURN(device_create_file(dev, &dev_attr_routing));
|
|
CHECK_RETURN(device_create_file(dev, &dev_attr_serial_number));
|
|
CHECK_RETURN(device_create_file(dev, &dev_attr_store_amp_setup));
|
|
CHECK_RETURN(device_create_file(dev, &dev_attr_store_channel));
|
|
CHECK_RETURN(device_create_file(dev, &dev_attr_store_effects_setup));
|
|
CHECK_RETURN(device_create_file(dev, &dev_attr_tuner_freq));
|
|
CHECK_RETURN(device_create_file(dev, &dev_attr_tuner_mute));
|
|
CHECK_RETURN(device_create_file(dev, &dev_attr_tuner_note));
|
|
CHECK_RETURN(device_create_file(dev, &dev_attr_tuner_pitch));
|
|
|
|
#ifdef CONFIG_LINE6_USB_RAW
|
|
CHECK_RETURN(device_create_file(dev, &dev_attr_raw));
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
Try to init POD device.
|
|
*/
|
|
static int pod_try_init(struct usb_interface *interface,
|
|
struct usb_line6_pod *pod)
|
|
{
|
|
int err;
|
|
struct usb_line6 *line6 = &pod->line6;
|
|
|
|
init_timer(&pod->startup_timer);
|
|
INIT_WORK(&pod->startup_work, pod_startup5);
|
|
|
|
if ((interface == NULL) || (pod == NULL))
|
|
return -ENODEV;
|
|
|
|
pod->channel_num = 255;
|
|
|
|
/* initialize wait queues: */
|
|
init_waitqueue_head(&pod->monitor_level.wait);
|
|
init_waitqueue_head(&pod->routing.wait);
|
|
init_waitqueue_head(&pod->tuner_mute.wait);
|
|
init_waitqueue_head(&pod->tuner_freq.wait);
|
|
init_waitqueue_head(&pod->tuner_note.wait);
|
|
init_waitqueue_head(&pod->tuner_pitch.wait);
|
|
init_waitqueue_head(&pod->clipping.wait);
|
|
|
|
memset(pod->param_dirty, 0xff, sizeof(pod->param_dirty));
|
|
|
|
/* initialize USB buffers: */
|
|
err = line6_dumpreq_init(&pod->dumpreq, pod_request_channel,
|
|
sizeof(pod_request_channel));
|
|
if (err < 0) {
|
|
dev_err(&interface->dev, "Out of memory\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
/* create sysfs entries: */
|
|
err = pod_create_files2(&interface->dev);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
/* initialize audio system: */
|
|
err = line6_init_audio(line6);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
/* initialize MIDI subsystem: */
|
|
err = line6_init_midi(line6);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
/* initialize PCM subsystem: */
|
|
err = line6_init_pcm(line6, &pod_pcm_properties);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
/* register monitor control: */
|
|
err = snd_ctl_add(line6->card,
|
|
snd_ctl_new1(&pod_control_monitor, line6->line6pcm));
|
|
if (err < 0)
|
|
return err;
|
|
|
|
/*
|
|
When the sound card is registered at this point, the PODxt Live
|
|
displays "Invalid Code Error 07", so we do it later in the event
|
|
handler.
|
|
*/
|
|
|
|
if (pod->line6.properties->capabilities & LINE6_BIT_CONTROL) {
|
|
pod->monitor_level.value = POD_system_invalid;
|
|
|
|
/* initiate startup procedure: */
|
|
pod_startup1(pod);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
Init POD device (and clean up in case of failure).
|
|
*/
|
|
int line6_pod_init(struct usb_interface *interface, struct usb_line6_pod *pod)
|
|
{
|
|
int err = pod_try_init(interface, pod);
|
|
|
|
if (err < 0)
|
|
pod_destruct(interface);
|
|
|
|
return err;
|
|
}
|
|
|
|
/*
|
|
POD device disconnected.
|
|
*/
|
|
void line6_pod_disconnect(struct usb_interface *interface)
|
|
{
|
|
struct usb_line6_pod *pod;
|
|
|
|
if (interface == NULL)
|
|
return;
|
|
pod = usb_get_intfdata(interface);
|
|
|
|
if (pod != NULL) {
|
|
struct snd_line6_pcm *line6pcm = pod->line6.line6pcm;
|
|
struct device *dev = &interface->dev;
|
|
|
|
if (line6pcm != NULL)
|
|
line6_pcm_disconnect(line6pcm);
|
|
|
|
if (dev != NULL) {
|
|
/* remove sysfs entries: */
|
|
line6_pod_remove_files(pod->firmware_version,
|
|
pod->line6.
|
|
properties->device_bit, dev);
|
|
|
|
device_remove_file(dev, &dev_attr_channel);
|
|
device_remove_file(dev, &dev_attr_clip);
|
|
device_remove_file(dev, &dev_attr_device_id);
|
|
device_remove_file(dev, &dev_attr_dirty);
|
|
device_remove_file(dev, &dev_attr_dump);
|
|
device_remove_file(dev, &dev_attr_dump_buf);
|
|
device_remove_file(dev, &dev_attr_finish);
|
|
device_remove_file(dev, &dev_attr_firmware_version);
|
|
device_remove_file(dev, &dev_attr_midi_postprocess);
|
|
device_remove_file(dev, &dev_attr_monitor_level);
|
|
device_remove_file(dev, &dev_attr_name);
|
|
device_remove_file(dev, &dev_attr_name_buf);
|
|
device_remove_file(dev, &dev_attr_retrieve_amp_setup);
|
|
device_remove_file(dev, &dev_attr_retrieve_channel);
|
|
device_remove_file(dev,
|
|
&dev_attr_retrieve_effects_setup);
|
|
device_remove_file(dev, &dev_attr_routing);
|
|
device_remove_file(dev, &dev_attr_serial_number);
|
|
device_remove_file(dev, &dev_attr_store_amp_setup);
|
|
device_remove_file(dev, &dev_attr_store_channel);
|
|
device_remove_file(dev, &dev_attr_store_effects_setup);
|
|
device_remove_file(dev, &dev_attr_tuner_freq);
|
|
device_remove_file(dev, &dev_attr_tuner_mute);
|
|
device_remove_file(dev, &dev_attr_tuner_note);
|
|
device_remove_file(dev, &dev_attr_tuner_pitch);
|
|
|
|
#ifdef CONFIG_LINE6_USB_RAW
|
|
device_remove_file(dev, &dev_attr_raw);
|
|
#endif
|
|
}
|
|
}
|
|
|
|
pod_destruct(interface);
|
|
}
|