[linux-2.6-block.git] / drivers / staging / line6 / toneport.c

/*
 * Line6 Linux USB driver - 0.9.1beta
 *
 * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
 *                         Emil Myhrman (emil.myhrman@gmail.com)
 *
 *	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 <linux/wait.h>
#include <sound/control.h>

#include "audio.h"
#include "capture.h"
#include "driver.h"
#include "playback.h"
#include "toneport.h"

static int toneport_send_cmd(struct usb_device *usbdev, int cmd1, int cmd2);

#define TONEPORT_PCM_DELAY 1

static struct snd_ratden toneport_ratden = {
	.num_min = 44100,
	.num_max = 44100,
	.num_step = 1,
	.den = 1
};

static struct line6_pcm_properties toneport_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 |
#ifdef CONFIG_PM
					   SNDRV_PCM_INFO_RESUME |
#endif
					   SNDRV_PCM_INFO_SYNC_START),
				  .formats = SNDRV_PCM_FMTBIT_S16_LE,
				  .rates = SNDRV_PCM_RATE_KNOT,
				  .rate_min = 44100,
				  .rate_max = 44100,
				  .channels_min = 2,
				  .channels_max = 2,
				  .buffer_bytes_max = 60000,
				  .period_bytes_min = 64,
				  .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 |
#ifdef CONFIG_PM
					  SNDRV_PCM_INFO_RESUME |
#endif
					  SNDRV_PCM_INFO_SYNC_START),
				 .formats = SNDRV_PCM_FMTBIT_S16_LE,
				 .rates = SNDRV_PCM_RATE_KNOT,
				 .rate_min = 44100,
				 .rate_max = 44100,
				 .channels_min = 2,
				 .channels_max = 2,
				 .buffer_bytes_max = 60000,
				 .period_bytes_min = 64,
				 .period_bytes_max = 8192,
				 .periods_min = 1,
				 .periods_max = 1024},
	.snd_line6_rates = {
			    .nrats = 1,
			    .rats = &toneport_ratden},
	.bytes_per_frame = 4
};

/*
	For the led on Guitarport.
	Brightness goes from 0x00 to 0x26. Set a value above this to have led
	blink.
	(void cmd_0x02(byte red, byte green)
*/
static int led_red = 0x00;
static int led_green = 0x26;

struct ToneportSourceInfo {
	const char *name;
	int code;
};

static const struct ToneportSourceInfo toneport_source_info[] = {
	{"Microphone", 0x0a01},
	{"Line", 0x0801},
	{"Instrument", 0x0b01},
	{"Inst & Mic", 0x0901}
};

static bool toneport_has_led(short product)
{
	return
	    (product == LINE6_DEVID_GUITARPORT) ||
	    (product == LINE6_DEVID_TONEPORT_GX);
	/* add your device here if you are missing support for the LEDs */
}

static void toneport_update_led(struct device *dev)
{
	struct usb_interface *interface = to_usb_interface(dev);
	struct usb_line6_toneport *tp = usb_get_intfdata(interface);
	struct usb_line6 *line6;

	if (!tp)
		return;

	line6 = &tp->line6;
	if (line6)
		toneport_send_cmd(line6->usbdev, (led_red << 8) | 0x0002,
				  led_green);
}

static ssize_t toneport_set_led_red(struct device *dev,
				    struct device_attribute *attr,
				    const char *buf, size_t count)
{
	int retval;
	long value;

	retval = strict_strtol(buf, 10, &value);
	if (retval)
		return retval;

	led_red = value;
	toneport_update_led(dev);
	return count;
}

static ssize_t toneport_set_led_green(struct device *dev,
				      struct device_attribute *attr,
				      const char *buf, size_t count)
{
	int retval;
	long value;

	retval = strict_strtol(buf, 10, &value);
	if (retval)
		return retval;

	led_green = value;
	toneport_update_led(dev);
	return count;
}

static DEVICE_ATTR(led_red, S_IWUGO | S_IRUGO, line6_nop_read,
		   toneport_set_led_red);
static DEVICE_ATTR(led_green, S_IWUGO | S_IRUGO, line6_nop_read,
		   toneport_set_led_green);

static int toneport_send_cmd(struct usb_device *usbdev, int cmd1, int cmd2)
{
	int ret;

	ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev, 0), 0x67,
			      USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
			      cmd1, cmd2, NULL, 0, LINE6_TIMEOUT * HZ);

	if (ret < 0) {
		err("send failed (error %d)\n", ret);
		return ret;
	}

	return 0;
}

/* monitor info callback */
static int snd_toneport_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 = 256;
	return 0;
}

/* monitor get callback */
static int snd_toneport_monitor_get(struct snd_kcontrol *kcontrol,
				    struct snd_ctl_elem_value *ucontrol)
{
	struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);
	ucontrol->value.integer.value[0] = line6pcm->volume_monitor;
	return 0;
}

/* monitor put callback */
static int snd_toneport_monitor_put(struct snd_kcontrol *kcontrol,
				    struct snd_ctl_elem_value *ucontrol)
{
	struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);

	if (ucontrol->value.integer.value[0] == line6pcm->volume_monitor)
		return 0;

	line6pcm->volume_monitor = ucontrol->value.integer.value[0];

	if (line6pcm->volume_monitor > 0)
		line6_pcm_start(line6pcm, MASK_PCM_MONITOR);
	else
		line6_pcm_stop(line6pcm, MASK_PCM_MONITOR);

	return 1;
}

/* source info callback */
static int snd_toneport_source_info(struct snd_kcontrol *kcontrol,
				    struct snd_ctl_elem_info *uinfo)
{
	const int size = ARRAY_SIZE(toneport_source_info);
	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
	uinfo->count = 1;
	uinfo->value.enumerated.items = size;

	if (uinfo->value.enumerated.item >= size)
		uinfo->value.enumerated.item = size - 1;

	strcpy(uinfo->value.enumerated.name,
	       toneport_source_info[uinfo->value.enumerated.item].name);

	return 0;
}

/* source get callback */
static int snd_toneport_source_get(struct snd_kcontrol *kcontrol,
				   struct snd_ctl_elem_value *ucontrol)
{
	struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);
	struct usb_line6_toneport *toneport =
	    (struct usb_line6_toneport *)line6pcm->line6;
	ucontrol->value.enumerated.item[0] = toneport->source;
	return 0;
}

/* source put callback */
static int snd_toneport_source_put(struct snd_kcontrol *kcontrol,
				   struct snd_ctl_elem_value *ucontrol)
{
	struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);
	struct usb_line6_toneport *toneport =
	    (struct usb_line6_toneport *)line6pcm->line6;

	if (ucontrol->value.enumerated.item[0] == toneport->source)
		return 0;

	toneport->source = ucontrol->value.enumerated.item[0];
	toneport_send_cmd(toneport->line6.usbdev,
			  toneport_source_info[toneport->source].code, 0x0000);
	return 1;
}

static void toneport_start_pcm(unsigned long arg)
{
	struct usb_line6_toneport *toneport = (struct usb_line6_toneport *)arg;
	struct usb_line6 *line6 = &toneport->line6;
	line6_pcm_start(line6->line6pcm, MASK_PCM_MONITOR);
}

/* control definition */
static struct snd_kcontrol_new toneport_control_monitor = {
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	.name = "Monitor Playback Volume",
	.index = 0,
	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
	.info = snd_toneport_monitor_info,
	.get = snd_toneport_monitor_get,
	.put = snd_toneport_monitor_put
};

/* source selector definition */
static struct snd_kcontrol_new toneport_control_source = {
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	.name = "PCM Capture Source",
	.index = 0,
	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
	.info = snd_toneport_source_info,
	.get = snd_toneport_source_get,
	.put = snd_toneport_source_put
};

/*
	Toneport destructor.
*/
static void toneport_destruct(struct usb_interface *interface)
{
	struct usb_line6_toneport *toneport = usb_get_intfdata(interface);
	struct usb_line6 *line6;

	if (toneport == NULL)
		return;
	line6 = &toneport->line6;
	if (line6 == NULL)
		return;
	line6_cleanup_audio(line6);
}

/*
	Setup Toneport device.
*/
static void toneport_setup(struct usb_line6_toneport *toneport)
{
	int ticks;
	struct usb_line6 *line6 = &toneport->line6;
	struct usb_device *usbdev = line6->usbdev;

	/* sync time on device with host: */
	ticks = (int)get_seconds();
	line6_write_data(line6, 0x80c6, &ticks, 4);

	/* enable device: */
	toneport_send_cmd(usbdev, 0x0301, 0x0000);

	/* initialize source select: */
	switch (usbdev->descriptor.idProduct) {
	case LINE6_DEVID_TONEPORT_UX1:
	case LINE6_DEVID_PODSTUDIO_UX1:
		toneport_send_cmd(usbdev,
				  toneport_source_info[toneport->source].code,
				  0x0000);
	}

	if (toneport_has_led(usbdev->descriptor.idProduct))
		toneport_update_led(&usbdev->dev);
}

/*
	 Try to init Toneport device.
*/
static int toneport_try_init(struct usb_interface *interface,
			     struct usb_line6_toneport *toneport)
{
	int err;
	struct usb_line6 *line6 = &toneport->line6;
	struct usb_device *usbdev = line6->usbdev;

	if ((interface == NULL) || (toneport == NULL))
		return -ENODEV;

	/* initialize audio system: */
	err = line6_init_audio(line6);
	if (err < 0) {
		return err;
	}

	/* initialize PCM subsystem: */
	err = line6_init_pcm(line6, &toneport_pcm_properties);
	if (err < 0) {
		return err;
	}

	/* register monitor control: */
	err =
	    snd_ctl_add(line6->card,
			snd_ctl_new1(&toneport_control_monitor,
				     line6->line6pcm));
	if (err < 0) {
		return err;
	}

	/* register source select control: */
	switch (usbdev->descriptor.idProduct) {
	case LINE6_DEVID_TONEPORT_UX1:
	case LINE6_DEVID_PODSTUDIO_UX1:
		err =
		    snd_ctl_add(line6->card,
				snd_ctl_new1(&toneport_control_source,
					     line6->line6pcm));
		if (err < 0) {
			return err;
		}
	}

	/* register audio system: */
	err = line6_register_audio(line6);
	if (err < 0) {
		return err;
	}

	line6_read_serial_number(line6, &toneport->serial_number);
	line6_read_data(line6, 0x80c2, &toneport->firmware_version, 1);

	if (toneport_has_led(usbdev->descriptor.idProduct)) {
		CHECK_RETURN(device_create_file
			     (&interface->dev, &dev_attr_led_red));
		CHECK_RETURN(device_create_file
			     (&interface->dev, &dev_attr_led_green));
	}

	toneport_setup(toneport);

	init_timer(&toneport->timer);
	toneport->timer.expires = jiffies + TONEPORT_PCM_DELAY * HZ;
	toneport->timer.function = toneport_start_pcm;
	toneport->timer.data = (unsigned long)toneport;
	add_timer(&toneport->timer);

	return 0;
}

/*
	 Init Toneport device (and clean up in case of failure).
*/
int line6_toneport_init(struct usb_interface *interface,
			struct usb_line6_toneport *toneport)
{
	int err = toneport_try_init(interface, toneport);

	if (err < 0) {
		toneport_destruct(interface);
	}

	return err;
}

/*
	Resume Toneport device after reset.
*/
void line6_toneport_reset_resume(struct usb_line6_toneport *toneport)
{
	toneport_setup(toneport);
}

/*
	Toneport device disconnected.
*/
void line6_toneport_disconnect(struct usb_interface *interface)
{
	struct usb_line6_toneport *toneport;

	if (interface == NULL)
		return;

	toneport = usb_get_intfdata(interface);
	del_timer_sync(&toneport->timer);

	if (toneport_has_led(toneport->line6.usbdev->descriptor.idProduct)) {
		device_remove_file(&interface->dev, &dev_attr_led_red);
		device_remove_file(&interface->dev, &dev_attr_led_green);
	}

	if (toneport != NULL) {
		struct snd_line6_pcm *line6pcm = toneport->line6.line6pcm;

		if (line6pcm != NULL) {
			line6_pcm_stop(line6pcm, MASK_PCM_MONITOR);
			line6_pcm_disconnect(line6pcm);
		}
	}

	toneport_destruct(interface);
}
Commit	Line	Data
705ececd	1	/*
e1a164d7	2	* Line6 Linux USB driver - 0.9.1beta
705ececd	3	*
1027f476	4	* Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
705ececd MG	5	* Emil Myhrman (emil.myhrman@gmail.com)
	6	*
	7	* This program is free software; you can redistribute it and/or
	8	* modify it under the terms of the GNU General Public License as
	9	* published by the Free Software Foundation, version 2.
	10	*
	11	*/
	12
1027f476 MG	13	#include <linux/wait.h>
1027f476 MG	14	#include <sound/control.h>
705ececd MG	15
	16	#include "audio.h"
	17	#include "capture.h"
1027f476	18	#include "driver.h"
705ececd MG	19	#include "playback.h"
	20	#include "toneport.h"
	21
705ececd MG	22	static int toneport_send_cmd(struct usb_device *usbdev, int cmd1, int cmd2);
705ececd MG	23
1027f476 MG	24	#define TONEPORT_PCM_DELAY 1
1027f476 MG	25
705ececd MG	26	static struct snd_ratden toneport_ratden = {
	27	.num_min = 44100,
	28	.num_max = 44100,
	29	.num_step = 1,
	30	.den = 1
	31	};
	32
	33	static struct line6_pcm_properties toneport_pcm_properties = {
63a4a8ba	34	.snd_line6_playback_hw = {
e1a164d7 MG	35	.info = (SNDRV_PCM_INFO_MMAP \|
	36	SNDRV_PCM_INFO_INTERLEAVED \|
	37	SNDRV_PCM_INFO_BLOCK_TRANSFER \|
	38	SNDRV_PCM_INFO_MMAP_VALID \|
	39	SNDRV_PCM_INFO_PAUSE \|
1027f476	40	#ifdef CONFIG_PM
e1a164d7	41	SNDRV_PCM_INFO_RESUME \|
1027f476	42	#endif
e1a164d7 MG	43	SNDRV_PCM_INFO_SYNC_START),
	44	.formats = SNDRV_PCM_FMTBIT_S16_LE,
	45	.rates = SNDRV_PCM_RATE_KNOT,
	46	.rate_min = 44100,
	47	.rate_max = 44100,
	48	.channels_min = 2,
	49	.channels_max = 2,
	50	.buffer_bytes_max = 60000,
	51	.period_bytes_min = 64,
	52	.period_bytes_max = 8192,
	53	.periods_min = 1,
	54	.periods_max = 1024},
63a4a8ba	55	.snd_line6_capture_hw = {
e1a164d7 MG	56	.info = (SNDRV_PCM_INFO_MMAP \|
	57	SNDRV_PCM_INFO_INTERLEAVED \|
	58	SNDRV_PCM_INFO_BLOCK_TRANSFER \|
	59	SNDRV_PCM_INFO_MMAP_VALID \|
1027f476	60	#ifdef CONFIG_PM
e1a164d7	61	SNDRV_PCM_INFO_RESUME \|
1027f476	62	#endif
e1a164d7 MG	63	SNDRV_PCM_INFO_SYNC_START),
	64	.formats = SNDRV_PCM_FMTBIT_S16_LE,
	65	.rates = SNDRV_PCM_RATE_KNOT,
	66	.rate_min = 44100,
	67	.rate_max = 44100,
	68	.channels_min = 2,
	69	.channels_max = 2,
	70	.buffer_bytes_max = 60000,
	71	.period_bytes_min = 64,
	72	.period_bytes_max = 8192,
	73	.periods_min = 1,
	74	.periods_max = 1024},
705ececd	75	.snd_line6_rates = {
e1a164d7 MG	76	.nrats = 1,
e1a164d7 MG	77	.rats = &toneport_ratden},
705ececd MG	78	.bytes_per_frame = 4
	79	};
	80
	81	/*
	82	For the led on Guitarport.
6353773b GKH	83	Brightness goes from 0x00 to 0x26. Set a value above this to have led
6353773b GKH	84	blink.
705ececd MG	85	(void cmd_0x02(byte red, byte green)
	86	*/
	87	static int led_red = 0x00;
	88	static int led_green = 0x26;
	89
e1a164d7	90	struct ToneportSourceInfo {
1027f476 MG	91	const char *name;
	92	int code;
	93	};
	94
	95	static const struct ToneportSourceInfo toneport_source_info[] = {
e1a164d7 MG	96	{"Microphone", 0x0a01},
	97	{"Line", 0x0801},
	98	{"Instrument", 0x0b01},
	99	{"Inst & Mic", 0x0901}
1027f476 MG	100	};
	101
	102	static bool toneport_has_led(short product)
	103	{
	104	return
e1a164d7 MG	105	(product == LINE6_DEVID_GUITARPORT) \|\|
e1a164d7 MG	106	(product == LINE6_DEVID_TONEPORT_GX);
1027f476 MG	107	/* add your device here if you are missing support for the LEDs */
	108	}
	109
6353773b GKH	110	static void toneport_update_led(struct device *dev)
	111	{
	112	struct usb_interface *interface = to_usb_interface(dev);
	113	struct usb_line6_toneport *tp = usb_get_intfdata(interface);
	114	struct usb_line6 *line6;
705ececd	115
6353773b GKH	116	if (!tp)
	117	return;
	118
	119	line6 = &tp->line6;
	120	if (line6)
	121	toneport_send_cmd(line6->usbdev, (led_red << 8) \| 0x0002,
	122	led_green);
705ececd	123	}
6353773b	124
77491e52 GKH	125	static ssize_t toneport_set_led_red(struct device *dev,
77491e52 GKH	126	struct device_attribute *attr,
6353773b GKH	127	const char *buf, size_t count)
6353773b GKH	128	{
bb950a16 SB	129	int retval;
	130	long value;
	131
	132	retval = strict_strtol(buf, 10, &value);
	133	if (retval)
	134	return retval;
	135
	136	led_red = value;
705ececd MG	137	toneport_update_led(dev);
	138	return count;
	139	}
6353773b	140
77491e52 GKH	141	static ssize_t toneport_set_led_green(struct device *dev,
77491e52 GKH	142	struct device_attribute *attr,
6353773b GKH	143	const char *buf, size_t count)
6353773b GKH	144	{
bb950a16 SB	145	int retval;
	146	long value;
	147
	148	retval = strict_strtol(buf, 10, &value);
	149	if (retval)
	150	return retval;
	151
	152	led_green = value;
705ececd MG	153	toneport_update_led(dev);
	154	return count;
	155	}
	156
63a4a8ba SB	157	static DEVICE_ATTR(led_red, S_IWUGO \| S_IRUGO, line6_nop_read,
	158	toneport_set_led_red);
	159	static DEVICE_ATTR(led_green, S_IWUGO \| S_IRUGO, line6_nop_read,
	160	toneport_set_led_green);
705ececd MG	161
	162	static int toneport_send_cmd(struct usb_device *usbdev, int cmd1, int cmd2)
	163	{
	164	int ret;
705ececd	165
6353773b GKH	166	ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev, 0), 0x67,
	167	USB_TYPE_VENDOR \| USB_RECIP_DEVICE \| USB_DIR_OUT,
	168	cmd1, cmd2, NULL, 0, LINE6_TIMEOUT * HZ);
	169
	170	if (ret < 0) {
705ececd MG	171	err("send failed (error %d)\n", ret);
	172	return ret;
	173	}
	174
	175	return 0;
	176	}
	177
1027f476 MG	178	/* monitor info callback */
	179	static int snd_toneport_monitor_info(struct snd_kcontrol *kcontrol,
	180	struct snd_ctl_elem_info *uinfo)
	181	{
	182	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
	183	uinfo->count = 1;
	184	uinfo->value.integer.min = 0;
	185	uinfo->value.integer.max = 256;
	186	return 0;
	187	}
	188
	189	/* monitor get callback */
	190	static int snd_toneport_monitor_get(struct snd_kcontrol *kcontrol,
	191	struct snd_ctl_elem_value *ucontrol)
	192	{
	193	struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);
	194	ucontrol->value.integer.value[0] = line6pcm->volume_monitor;
	195	return 0;
	196	}
	197
	198	/* monitor put callback */
	199	static int snd_toneport_monitor_put(struct snd_kcontrol *kcontrol,
	200	struct snd_ctl_elem_value *ucontrol)
	201	{
	202	struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);
	203
e1a164d7	204	if (ucontrol->value.integer.value[0] == line6pcm->volume_monitor)
1027f476 MG	205	return 0;
	206
	207	line6pcm->volume_monitor = ucontrol->value.integer.value[0];
e1a164d7 MG	208
	209	if (line6pcm->volume_monitor > 0)
	210	line6_pcm_start(line6pcm, MASK_PCM_MONITOR);
	211	else
	212	line6_pcm_stop(line6pcm, MASK_PCM_MONITOR);
	213
1027f476 MG	214	return 1;
	215	}
	216
	217	/* source info callback */
	218	static int snd_toneport_source_info(struct snd_kcontrol *kcontrol,
	219	struct snd_ctl_elem_info *uinfo)
	220	{
	221	const int size = ARRAY_SIZE(toneport_source_info);
	222	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
	223	uinfo->count = 1;
	224	uinfo->value.enumerated.items = size;
	225
e1a164d7	226	if (uinfo->value.enumerated.item >= size)
1027f476 MG	227	uinfo->value.enumerated.item = size - 1;
	228
	229	strcpy(uinfo->value.enumerated.name,
	230	toneport_source_info[uinfo->value.enumerated.item].name);
	231
	232	return 0;
	233	}
	234
	235	/* source get callback */
	236	static int snd_toneport_source_get(struct snd_kcontrol *kcontrol,
	237	struct snd_ctl_elem_value *ucontrol)
	238	{
	239	struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);
e1a164d7 MG	240	struct usb_line6_toneport *toneport =
e1a164d7 MG	241	(struct usb_line6_toneport *)line6pcm->line6;
1027f476 MG	242	ucontrol->value.enumerated.item[0] = toneport->source;
	243	return 0;
	244	}
	245
	246	/* source put callback */
	247	static int snd_toneport_source_put(struct snd_kcontrol *kcontrol,
	248	struct snd_ctl_elem_value *ucontrol)
	249	{
	250	struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);
e1a164d7 MG	251	struct usb_line6_toneport *toneport =
e1a164d7 MG	252	(struct usb_line6_toneport *)line6pcm->line6;
1027f476	253
e1a164d7	254	if (ucontrol->value.enumerated.item[0] == toneport->source)
1027f476 MG	255	return 0;
	256
	257	toneport->source = ucontrol->value.enumerated.item[0];
e1a164d7 MG	258	toneport_send_cmd(toneport->line6.usbdev,
e1a164d7 MG	259	toneport_source_info[toneport->source].code, 0x0000);
1027f476 MG	260	return 1;
	261	}
	262
	263	static void toneport_start_pcm(unsigned long arg)
	264	{
	265	struct usb_line6_toneport toneport = (struct usb_line6_toneport )arg;
	266	struct usb_line6 *line6 = &toneport->line6;
	267	line6_pcm_start(line6->line6pcm, MASK_PCM_MONITOR);
	268	}
	269
	270	/* control definition */
	271	static struct snd_kcontrol_new toneport_control_monitor = {
	272	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	273	.name = "Monitor Playback Volume",
	274	.index = 0,
	275	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
	276	.info = snd_toneport_monitor_info,
	277	.get = snd_toneport_monitor_get,
	278	.put = snd_toneport_monitor_put
	279	};
	280
	281	/* source selector definition */
	282	static struct snd_kcontrol_new toneport_control_source = {
	283	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	284	.name = "PCM Capture Source",
	285	.index = 0,
	286	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
	287	.info = snd_toneport_source_info,
	288	.get = snd_toneport_source_get,
	289	.put = snd_toneport_source_put
	290	};
	291
705ececd MG	292	/*
	293	Toneport destructor.
	294	*/
	295	static void toneport_destruct(struct usb_interface *interface)
	296	{
	297	struct usb_line6_toneport *toneport = usb_get_intfdata(interface);
	298	struct usb_line6 *line6;
	299
6353773b GKH	300	if (toneport == NULL)
6353773b GKH	301	return;
705ececd	302	line6 = &toneport->line6;
6353773b GKH	303	if (line6 == NULL)
6353773b GKH	304	return;
705ececd MG	305	line6_cleanup_audio(line6);
	306	}
	307
	308	/*
1027f476	309	Setup Toneport device.
705ececd	310	*/
1027f476	311	static void toneport_setup(struct usb_line6_toneport *toneport)
705ececd	312	{
1027f476	313	int ticks;
705ececd	314	struct usb_line6 *line6 = &toneport->line6;
1027f476 MG	315	struct usb_device *usbdev = line6->usbdev;
	316
	317	/* sync time on device with host: */
	318	ticks = (int)get_seconds();
	319	line6_write_data(line6, 0x80c6, &ticks, 4);
	320
	321	/* enable device: */
	322	toneport_send_cmd(usbdev, 0x0301, 0x0000);
	323
	324	/* initialize source select: */
e1a164d7	325	switch (usbdev->descriptor.idProduct) {
1027f476 MG	326	case LINE6_DEVID_TONEPORT_UX1:
1027f476 MG	327	case LINE6_DEVID_PODSTUDIO_UX1:
e1a164d7 MG	328	toneport_send_cmd(usbdev,
	329	toneport_source_info[toneport->source].code,
	330	0x0000);
1027f476 MG	331	}
	332
	333	if (toneport_has_led(usbdev->descriptor.idProduct))
	334	toneport_update_led(&usbdev->dev);
	335	}
	336
	337	/*
	338	Try to init Toneport device.
	339	*/
	340	static int toneport_try_init(struct usb_interface *interface,
	341	struct usb_line6_toneport *toneport)
	342	{
	343	int err;
	344	struct usb_line6 *line6 = &toneport->line6;
	345	struct usb_device *usbdev = line6->usbdev;
705ececd	346
6353773b	347	if ((interface == NULL) \|\| (toneport == NULL))
705ececd MG	348	return -ENODEV;
	349
	350	/* initialize audio system: */
6353773b GKH	351	err = line6_init_audio(line6);
6353773b GKH	352	if (err < 0) {
705ececd MG	353	return err;
	354	}
	355
	356	/* initialize PCM subsystem: */
6353773b GKH	357	err = line6_init_pcm(line6, &toneport_pcm_properties);
6353773b GKH	358	if (err < 0) {
705ececd MG	359	return err;
	360	}
	361
1027f476	362	/* register monitor control: */
e1a164d7 MG	363	err =
	364	snd_ctl_add(line6->card,
	365	snd_ctl_new1(&toneport_control_monitor,
	366	line6->line6pcm));
1027f476 MG	367	if (err < 0) {
	368	return err;
	369	}
	370
	371	/* register source select control: */
e1a164d7	372	switch (usbdev->descriptor.idProduct) {
1027f476 MG	373	case LINE6_DEVID_TONEPORT_UX1:
1027f476 MG	374	case LINE6_DEVID_PODSTUDIO_UX1:
e1a164d7 MG	375	err =
	376	snd_ctl_add(line6->card,
	377	snd_ctl_new1(&toneport_control_source,
	378	line6->line6pcm));
1027f476 MG	379	if (err < 0) {
	380	return err;
	381	}
	382	}
	383
705ececd	384	/* register audio system: */
6353773b GKH	385	err = line6_register_audio(line6);
6353773b GKH	386	if (err < 0) {
705ececd MG	387	return err;
	388	}
	389
705ececd MG	390	line6_read_serial_number(line6, &toneport->serial_number);
	391	line6_read_data(line6, 0x80c2, &toneport->firmware_version, 1);
	392
1027f476	393	if (toneport_has_led(usbdev->descriptor.idProduct)) {
e1a164d7 MG	394	CHECK_RETURN(device_create_file
	395	(&interface->dev, &dev_attr_led_red));
	396	CHECK_RETURN(device_create_file
	397	(&interface->dev, &dev_attr_led_green));
1027f476	398	}
705ececd	399
1027f476	400	toneport_setup(toneport);
705ececd	401
1027f476 MG	402	init_timer(&toneport->timer);
	403	toneport->timer.expires = jiffies + TONEPORT_PCM_DELAY * HZ;
	404	toneport->timer.function = toneport_start_pcm;
	405	toneport->timer.data = (unsigned long)toneport;
	406	add_timer(&toneport->timer);
705ececd MG	407
	408	return 0;
	409	}
	410
1027f476 MG	411	/*
	412	Init Toneport device (and clean up in case of failure).
	413	*/
	414	int line6_toneport_init(struct usb_interface *interface,
	415	struct usb_line6_toneport *toneport)
	416	{
	417	int err = toneport_try_init(interface, toneport);
	418
	419	if (err < 0) {
	420	toneport_destruct(interface);
	421	}
	422
	423	return err;
	424	}
	425
	426	/*
	427	Resume Toneport device after reset.
	428	*/
	429	void line6_toneport_reset_resume(struct usb_line6_toneport *toneport)
	430	{
	431	toneport_setup(toneport);
	432	}
	433
705ececd MG	434	/*
	435	Toneport device disconnected.
	436	*/
1027f476	437	void line6_toneport_disconnect(struct usb_interface *interface)
705ececd MG	438	{
	439	struct usb_line6_toneport *toneport;
	440
6353773b GKH	441	if (interface == NULL)
6353773b GKH	442	return;
1027f476	443
705ececd	444	toneport = usb_get_intfdata(interface);
1027f476	445	del_timer_sync(&toneport->timer);
705ececd	446
1027f476	447	if (toneport_has_led(toneport->line6.usbdev->descriptor.idProduct)) {
705ececd MG	448	device_remove_file(&interface->dev, &dev_attr_led_red);
	449	device_remove_file(&interface->dev, &dev_attr_led_green);
	450	}
	451
6353773b	452	if (toneport != NULL) {
705ececd MG	453	struct snd_line6_pcm *line6pcm = toneport->line6.line6pcm;
705ececd MG	454
6353773b	455	if (line6pcm != NULL) {
1027f476 MG	456	line6_pcm_stop(line6pcm, MASK_PCM_MONITOR);
1027f476 MG	457	line6_pcm_disconnect(line6pcm);
705ececd MG	458	}
	459	}
	460
	461	toneport_destruct(interface);
	462	}