[net-next-2.6.git] / sound / usb / caiaq / device.c

/*
 * caiaq.c: ALSA driver for caiaq/NativeInstruments devices
 *
 *   Copyright (c) 2007 Daniel Mack <daniel@caiaq.de>
 *                      Karsten Wiese <fzu@wemgehoertderstaat.de>
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
*/

#include <linux/moduleparam.h>
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/gfp.h>
#include <linux/usb.h>
#include <sound/initval.h>
#include <sound/core.h>
#include <sound/pcm.h>

#include "device.h"
#include "audio.h"
#include "midi.h"
#include "control.h"
#include "input.h"

MODULE_AUTHOR("Daniel Mack <daniel@caiaq.de>");
MODULE_DESCRIPTION("caiaq USB audio, version 1.3.21");
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{Native Instruments, RigKontrol2},"
			 "{Native Instruments, RigKontrol3},"
			 "{Native Instruments, Kore Controller},"
			 "{Native Instruments, Kore Controller 2},"
			 "{Native Instruments, Audio Kontrol 1},"
			 "{Native Instruments, Audio 2 DJ},"
			 "{Native Instruments, Audio 4 DJ},"
			 "{Native Instruments, Audio 8 DJ},"
			 "{Native Instruments, Session I/O},"
			 "{Native Instruments, GuitarRig mobile}"
			 "{Native Instruments, Traktor Kontrol X1}");

static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-max */
static char* id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* Id for this card */
static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
static int snd_card_used[SNDRV_CARDS];

module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for the caiaq sound device");
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for the caiaq soundcard.");
module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable the caiaq soundcard.");

enum {
	SAMPLERATE_44100	= 0,
	SAMPLERATE_48000	= 1,
	SAMPLERATE_96000	= 2,
	SAMPLERATE_192000	= 3,
	SAMPLERATE_88200	= 4,
	SAMPLERATE_INVALID	= 0xff
};

enum {
	DEPTH_NONE	= 0,
	DEPTH_16	= 1,
	DEPTH_24	= 2,
	DEPTH_32	= 3
};

static struct usb_device_id snd_usb_id_table[] = {
	{
		.match_flags =	USB_DEVICE_ID_MATCH_DEVICE,
		.idVendor =	USB_VID_NATIVEINSTRUMENTS,
		.idProduct =	USB_PID_RIGKONTROL2
	},
	{
		.match_flags =	USB_DEVICE_ID_MATCH_DEVICE,
		.idVendor =	USB_VID_NATIVEINSTRUMENTS,
		.idProduct =	USB_PID_RIGKONTROL3
	},
	{
		.match_flags =	USB_DEVICE_ID_MATCH_DEVICE,
		.idVendor =	USB_VID_NATIVEINSTRUMENTS,
		.idProduct =	USB_PID_KORECONTROLLER
	},
	{
		.match_flags =	USB_DEVICE_ID_MATCH_DEVICE,
		.idVendor =	USB_VID_NATIVEINSTRUMENTS,
		.idProduct =	USB_PID_KORECONTROLLER2
	},
	{
		.match_flags =  USB_DEVICE_ID_MATCH_DEVICE,
		.idVendor =     USB_VID_NATIVEINSTRUMENTS,
		.idProduct =    USB_PID_AK1
	},
	{
		.match_flags =  USB_DEVICE_ID_MATCH_DEVICE,
		.idVendor =     USB_VID_NATIVEINSTRUMENTS,
		.idProduct =    USB_PID_AUDIO8DJ
	},
	{
		.match_flags =  USB_DEVICE_ID_MATCH_DEVICE,
		.idVendor =     USB_VID_NATIVEINSTRUMENTS,
		.idProduct =    USB_PID_SESSIONIO
	},
	{
		.match_flags =  USB_DEVICE_ID_MATCH_DEVICE,
		.idVendor =     USB_VID_NATIVEINSTRUMENTS,
		.idProduct =    USB_PID_GUITARRIGMOBILE
	},
	{
		.match_flags =  USB_DEVICE_ID_MATCH_DEVICE,
		.idVendor =     USB_VID_NATIVEINSTRUMENTS,
		.idProduct =    USB_PID_AUDIO4DJ
	},
	{
		.match_flags =  USB_DEVICE_ID_MATCH_DEVICE,
		.idVendor =     USB_VID_NATIVEINSTRUMENTS,
		.idProduct =    USB_PID_AUDIO2DJ
	},
	{
		.match_flags =  USB_DEVICE_ID_MATCH_DEVICE,
		.idVendor =     USB_VID_NATIVEINSTRUMENTS,
		.idProduct =    USB_PID_TRAKTORKONTROLX1
	},
	{ /* terminator */ }
};

static void usb_ep1_command_reply_dispatch (struct urb* urb)
{
	int ret;
	struct snd_usb_caiaqdev *dev = urb->context;
	unsigned char *buf = urb->transfer_buffer;

	if (urb->status || !dev) {
		log("received EP1 urb->status = %i\n", urb->status);
		return;
	}

	switch(buf[0]) {
	case EP1_CMD_GET_DEVICE_INFO:
	 	memcpy(&dev->spec, buf+1, sizeof(struct caiaq_device_spec));
		dev->spec.fw_version = le16_to_cpu(dev->spec.fw_version);
		debug("device spec (firmware %d): audio: %d in, %d out, "
			"MIDI: %d in, %d out, data alignment %d\n",
			dev->spec.fw_version,
			dev->spec.num_analog_audio_in,
			dev->spec.num_analog_audio_out,
			dev->spec.num_midi_in,
			dev->spec.num_midi_out,
			dev->spec.data_alignment);

		dev->spec_received++;
		wake_up(&dev->ep1_wait_queue);
		break;
	case EP1_CMD_AUDIO_PARAMS:
		dev->audio_parm_answer = buf[1];
		wake_up(&dev->ep1_wait_queue);
		break;
	case EP1_CMD_MIDI_READ:
		snd_usb_caiaq_midi_handle_input(dev, buf[1], buf + 3, buf[2]);
		break;
	case EP1_CMD_READ_IO:
		if (dev->chip.usb_id ==
			USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO8DJ)) {
			if (urb->actual_length > sizeof(dev->control_state))
				urb->actual_length = sizeof(dev->control_state);
			memcpy(dev->control_state, buf + 1, urb->actual_length);
			wake_up(&dev->ep1_wait_queue);
			break;
		}
#ifdef CONFIG_SND_USB_CAIAQ_INPUT
	case EP1_CMD_READ_ERP:
	case EP1_CMD_READ_ANALOG:
		snd_usb_caiaq_input_dispatch(dev, buf, urb->actual_length);
#endif
		break;
	}

	dev->ep1_in_urb.actual_length = 0;
	ret = usb_submit_urb(&dev->ep1_in_urb, GFP_ATOMIC);
	if (ret < 0)
		log("unable to submit urb. OOM!?\n");
}

int snd_usb_caiaq_send_command(struct snd_usb_caiaqdev *dev,
			       unsigned char command,
			       const unsigned char *buffer,
			       int len)
{
	int actual_len;
	struct usb_device *usb_dev = dev->chip.dev;

	if (!usb_dev)
		return -EIO;

	if (len > EP1_BUFSIZE - 1)
		len = EP1_BUFSIZE - 1;

	if (buffer && len > 0)
		memcpy(dev->ep1_out_buf+1, buffer, len);

	dev->ep1_out_buf[0] = command;
	return usb_bulk_msg(usb_dev, usb_sndbulkpipe(usb_dev, 1),
			   dev->ep1_out_buf, len+1, &actual_len, 200);
}

int snd_usb_caiaq_set_audio_params (struct snd_usb_caiaqdev *dev,
		   		    int rate, int depth, int bpp)
{
	int ret;
	char tmp[5];

	switch (rate) {
	case 44100:	tmp[0] = SAMPLERATE_44100;   break;
	case 48000:	tmp[0] = SAMPLERATE_48000;   break;
	case 88200:	tmp[0] = SAMPLERATE_88200;   break;
	case 96000:	tmp[0] = SAMPLERATE_96000;   break;
	case 192000:	tmp[0] = SAMPLERATE_192000;  break;
	default:	return -EINVAL;
	}

	switch (depth) {
	case 16:	tmp[1] = DEPTH_16;   break;
	case 24:	tmp[1] = DEPTH_24;   break;
	default:	return -EINVAL;
	}

	tmp[2] = bpp & 0xff;
	tmp[3] = bpp >> 8;
	tmp[4] = 1; /* packets per microframe */

	debug("setting audio params: %d Hz, %d bits, %d bpp\n",
		rate, depth, bpp);

	dev->audio_parm_answer = -1;
	ret = snd_usb_caiaq_send_command(dev, EP1_CMD_AUDIO_PARAMS,
					 tmp, sizeof(tmp));

	if (ret)
		return ret;

	if (!wait_event_timeout(dev->ep1_wait_queue,
	    dev->audio_parm_answer >= 0, HZ))
		return -EPIPE;

	if (dev->audio_parm_answer != 1)
		debug("unable to set the device's audio params\n");
	else
		dev->bpp = bpp;

	return dev->audio_parm_answer == 1 ? 0 : -EINVAL;
}

int snd_usb_caiaq_set_auto_msg(struct snd_usb_caiaqdev *dev,
			       int digital, int analog, int erp)
{
	char tmp[3] = { digital, analog, erp };
	return snd_usb_caiaq_send_command(dev, EP1_CMD_AUTO_MSG,
					  tmp, sizeof(tmp));
}

static void __devinit setup_card(struct snd_usb_caiaqdev *dev)
{
	int ret;
	char val[4];

	/* device-specific startup specials */
	switch (dev->chip.usb_id) {
	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL2):
		/* RigKontrol2 - display centered dash ('-') */
		val[0] = 0x00;
		val[1] = 0x00;
		val[2] = 0x01;
		snd_usb_caiaq_send_command(dev, EP1_CMD_WRITE_IO, val, 3);
		break;
	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL3):
		/* RigKontrol2 - display two centered dashes ('--') */
		val[0] = 0x00;
		val[1] = 0x40;
		val[2] = 0x40;
		val[3] = 0x00;
		snd_usb_caiaq_send_command(dev, EP1_CMD_WRITE_IO, val, 4);
		break;
	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AK1):
		/* Audio Kontrol 1 - make USB-LED stop blinking */
		val[0] = 0x00;
		snd_usb_caiaq_send_command(dev, EP1_CMD_WRITE_IO, val, 1);
		break;
	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO8DJ):
		/* Audio 8 DJ - trigger read of current settings */
		dev->control_state[0] = 0xff;
		snd_usb_caiaq_set_auto_msg(dev, 1, 0, 0);
		snd_usb_caiaq_send_command(dev, EP1_CMD_READ_IO, NULL, 0);

		if (!wait_event_timeout(dev->ep1_wait_queue,
					dev->control_state[0] != 0xff, HZ))
			return;

		/* fix up some defaults */
		if ((dev->control_state[1] != 2) ||
		    (dev->control_state[2] != 3) ||
		    (dev->control_state[4] != 2)) {
			dev->control_state[1] = 2;
			dev->control_state[2] = 3;
			dev->control_state[4] = 2;
			snd_usb_caiaq_send_command(dev,
				EP1_CMD_WRITE_IO, dev->control_state, 6);
		}

		break;
	}

	if (dev->spec.num_analog_audio_out +
	    dev->spec.num_analog_audio_in +
	    dev->spec.num_digital_audio_out +
	    dev->spec.num_digital_audio_in > 0) {
		ret = snd_usb_caiaq_audio_init(dev);
		if (ret < 0)
			log("Unable to set up audio system (ret=%d)\n", ret);
	}

	if (dev->spec.num_midi_in +
	    dev->spec.num_midi_out > 0) {
		ret = snd_usb_caiaq_midi_init(dev);
		if (ret < 0)
			log("Unable to set up MIDI system (ret=%d)\n", ret);
	}

#ifdef CONFIG_SND_USB_CAIAQ_INPUT
	ret = snd_usb_caiaq_input_init(dev);
	if (ret < 0)
		log("Unable to set up input system (ret=%d)\n", ret);
#endif

	/* finally, register the card and all its sub-instances */
	ret = snd_card_register(dev->chip.card);
	if (ret < 0) {
		log("snd_card_register() returned %d\n", ret);
		snd_card_free(dev->chip.card);
	}

	ret = snd_usb_caiaq_control_init(dev);
	if (ret < 0)
		log("Unable to set up control system (ret=%d)\n", ret);
}

static int create_card(struct usb_device *usb_dev,
		       struct usb_interface *intf,
		       struct snd_card **cardp)
{
	int devnum;
	int err;
	struct snd_card *card;
	struct snd_usb_caiaqdev *dev;

	for (devnum = 0; devnum < SNDRV_CARDS; devnum++)
		if (enable[devnum] && !snd_card_used[devnum])
			break;

	if (devnum >= SNDRV_CARDS)
		return -ENODEV;

	err = snd_card_create(index[devnum], id[devnum], THIS_MODULE,
			      sizeof(struct snd_usb_caiaqdev), &card);
	if (err < 0)
		return err;

	dev = caiaqdev(card);
	dev->chip.dev = usb_dev;
	dev->chip.card = card;
	dev->chip.usb_id = USB_ID(le16_to_cpu(usb_dev->descriptor.idVendor),
				  le16_to_cpu(usb_dev->descriptor.idProduct));
	spin_lock_init(&dev->spinlock);
	snd_card_set_dev(card, &intf->dev);

	*cardp = card;
	return 0;
}

static int __devinit init_card(struct snd_usb_caiaqdev *dev)
{
	char *c, usbpath[32];
	struct usb_device *usb_dev = dev->chip.dev;
	struct snd_card *card = dev->chip.card;
	int err, len;

	if (usb_set_interface(usb_dev, 0, 1) != 0) {
		log("can't set alt interface.\n");
		return -EIO;
	}

	usb_init_urb(&dev->ep1_in_urb);
	usb_init_urb(&dev->midi_out_urb);

	usb_fill_bulk_urb(&dev->ep1_in_urb, usb_dev,
			  usb_rcvbulkpipe(usb_dev, 0x1),
			  dev->ep1_in_buf, EP1_BUFSIZE,
			  usb_ep1_command_reply_dispatch, dev);

	usb_fill_bulk_urb(&dev->midi_out_urb, usb_dev,
			  usb_sndbulkpipe(usb_dev, 0x1),
			  dev->midi_out_buf, EP1_BUFSIZE,
			  snd_usb_caiaq_midi_output_done, dev);

	init_waitqueue_head(&dev->ep1_wait_queue);
	init_waitqueue_head(&dev->prepare_wait_queue);

	if (usb_submit_urb(&dev->ep1_in_urb, GFP_KERNEL) != 0)
		return -EIO;

	err = snd_usb_caiaq_send_command(dev, EP1_CMD_GET_DEVICE_INFO, NULL, 0);
	if (err)
		return err;

	if (!wait_event_timeout(dev->ep1_wait_queue, dev->spec_received, HZ))
		return -ENODEV;

	usb_string(usb_dev, usb_dev->descriptor.iManufacturer,
		   dev->vendor_name, CAIAQ_USB_STR_LEN);

	usb_string(usb_dev, usb_dev->descriptor.iProduct,
		   dev->product_name, CAIAQ_USB_STR_LEN);

	strlcpy(card->driver, MODNAME, sizeof(card->driver));
	strlcpy(card->shortname, dev->product_name, sizeof(card->shortname));
	strlcpy(card->mixername, dev->product_name, sizeof(card->mixername));

	/* if the id was not passed as module option, fill it with a shortened
	 * version of the product string which does not contain any
	 * whitespaces */

	if (*card->id == '\0') {
		char id[sizeof(card->id)];

		memset(id, 0, sizeof(id));

		for (c = card->shortname, len = 0;
			*c && len < sizeof(card->id); c++)
			if (*c != ' ')
				id[len++] = *c;

		snd_card_set_id(card, id);
	}

	usb_make_path(usb_dev, usbpath, sizeof(usbpath));
	snprintf(card->longname, sizeof(card->longname),
		       "%s %s (%s)",
		       dev->vendor_name, dev->product_name, usbpath);

	setup_card(dev);
	return 0;
}

static int __devinit snd_probe(struct usb_interface *intf,
		     const struct usb_device_id *id)
{
	int ret;
	struct snd_card *card;
	struct usb_device *device = interface_to_usbdev(intf);

	ret = create_card(device, intf, &card);

	if (ret < 0)
		return ret;

	usb_set_intfdata(intf, card);
	ret = init_card(caiaqdev(card));
	if (ret < 0) {
		log("unable to init card! (ret=%d)\n", ret);
		snd_card_free(card);
		return ret;
	}

	return 0;
}

static void snd_disconnect(struct usb_interface *intf)
{
	struct snd_usb_caiaqdev *dev;
	struct snd_card *card = usb_get_intfdata(intf);

	debug("%s(%p)\n", __func__, intf);

	if (!card)
		return;

	dev = caiaqdev(card);
	snd_card_disconnect(card);

#ifdef CONFIG_SND_USB_CAIAQ_INPUT
	snd_usb_caiaq_input_free(dev);
#endif
	snd_usb_caiaq_audio_free(dev);

	usb_kill_urb(&dev->ep1_in_urb);
	usb_kill_urb(&dev->midi_out_urb);

	snd_card_free(card);
	usb_reset_device(interface_to_usbdev(intf));
}


MODULE_DEVICE_TABLE(usb, snd_usb_id_table);
static struct usb_driver snd_usb_driver = {
	.name 		= MODNAME,
	.probe 		= snd_probe,
	.disconnect	= snd_disconnect,
	.id_table 	= snd_usb_id_table,
};

static int __init snd_module_init(void)
{
	return usb_register(&snd_usb_driver);
}

static void __exit snd_module_exit(void)
{
	usb_deregister(&snd_usb_driver);
}

module_init(snd_module_init)
module_exit(snd_module_exit)
Commit	Line	Data
523f1dce DM	1	/*
	2	* caiaq.c: ALSA driver for caiaq/NativeInstruments devices
	3	*
	4	* Copyright (c) 2007 Daniel Mack <daniel@caiaq.de>
	5	* Karsten Wiese <fzu@wemgehoertderstaat.de>
	6	*
	7	* This program is free software; you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License as published by
	9	* the Free Software Foundation; either version 2 of the License, or
	10	* (at your option) any later version.
	11	*
	12	* This program is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	* GNU General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with this program; if not, write to the Free Software
	19	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	20	*/
	21
523f1dce DM	22	#include <linux/moduleparam.h>
523f1dce DM	23	#include <linux/interrupt.h>
e431cf45 DM	24	#include <linux/module.h>
e431cf45 DM	25	#include <linux/init.h>
5a0e3ad6	26	#include <linux/gfp.h>
523f1dce	27	#include <linux/usb.h>
523f1dce	28	#include <sound/initval.h>
e431cf45	29	#include <sound/core.h>
523f1dce	30	#include <sound/pcm.h>
523f1dce	31
936e7d03 DM	32	#include "device.h"
	33	#include "audio.h"
	34	#include "midi.h"
	35	#include "control.h"
	36	#include "input.h"
523f1dce DM	37
523f1dce DM	38	MODULE_AUTHOR("Daniel Mack <daniel@caiaq.de>");
55567ab7	39	MODULE_DESCRIPTION("caiaq USB audio, version 1.3.21");
523f1dce DM	40	MODULE_LICENSE("GPL");
523f1dce DM	41	MODULE_SUPPORTED_DEVICE("{{Native Instruments, RigKontrol2},"
ad1e34b5	42	"{Native Instruments, RigKontrol3},"
523f1dce	43	"{Native Instruments, Kore Controller},"
7829d0ec	44	"{Native Instruments, Kore Controller 2},"
f3e9d5d1	45	"{Native Instruments, Audio Kontrol 1},"
b30c4947	46	"{Native Instruments, Audio 2 DJ},"
2165592b	47	"{Native Instruments, Audio 4 DJ},"
f3e9d5d1	48	"{Native Instruments, Audio 8 DJ},"
2165592b	49	"{Native Instruments, Session I/O},"
6da7a2aa DM	50	"{Native Instruments, GuitarRig mobile}"
6da7a2aa DM	51	"{Native Instruments, Traktor Kontrol X1}");
523f1dce DM	52
	53	static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-max */
	54	static char* id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* Id for this card */
	55	static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
	56	static int snd_card_used[SNDRV_CARDS];
	57
	58	module_param_array(index, int, NULL, 0444);
	59	MODULE_PARM_DESC(index, "Index value for the caiaq sound device");
	60	module_param_array(id, charp, NULL, 0444);
	61	MODULE_PARM_DESC(id, "ID string for the caiaq soundcard.");
	62	module_param_array(enable, bool, NULL, 0444);
	63	MODULE_PARM_DESC(enable, "Enable the caiaq soundcard.");
	64
	65	enum {
	66	SAMPLERATE_44100 = 0,
	67	SAMPLERATE_48000 = 1,
	68	SAMPLERATE_96000 = 2,
	69	SAMPLERATE_192000 = 3,
	70	SAMPLERATE_88200 = 4,
	71	SAMPLERATE_INVALID = 0xff
	72	};
	73
	74	enum {
	75	DEPTH_NONE = 0,
	76	DEPTH_16 = 1,
	77	DEPTH_24 = 2,
	78	DEPTH_32 = 3
	79	};
	80
	81	static struct usb_device_id snd_usb_id_table[] = {
	82	{
	83	.match_flags = USB_DEVICE_ID_MATCH_DEVICE,
	84	.idVendor = USB_VID_NATIVEINSTRUMENTS,
9318dce5	85	.idProduct = USB_PID_RIGKONTROL2
523f1dce	86	},
ad1e34b5 DM	87	{
	88	.match_flags = USB_DEVICE_ID_MATCH_DEVICE,
	89	.idVendor = USB_VID_NATIVEINSTRUMENTS,
	90	.idProduct = USB_PID_RIGKONTROL3
	91	},
523f1dce DM	92	{
	93	.match_flags = USB_DEVICE_ID_MATCH_DEVICE,
	94	.idVendor = USB_VID_NATIVEINSTRUMENTS,
	95	.idProduct = USB_PID_KORECONTROLLER
	96	},
7829d0ec DM	97	{
	98	.match_flags = USB_DEVICE_ID_MATCH_DEVICE,
	99	.idVendor = USB_VID_NATIVEINSTRUMENTS,
	100	.idProduct = USB_PID_KORECONTROLLER2
	101	},
523f1dce DM	102	{
	103	.match_flags = USB_DEVICE_ID_MATCH_DEVICE,
	104	.idVendor = USB_VID_NATIVEINSTRUMENTS,
	105	.idProduct = USB_PID_AK1
	106	},
	107	{
	108	.match_flags = USB_DEVICE_ID_MATCH_DEVICE,
	109	.idVendor = USB_VID_NATIVEINSTRUMENTS,
	110	.idProduct = USB_PID_AUDIO8DJ
	111	},
f3e9d5d1 DM	112	{
	113	.match_flags = USB_DEVICE_ID_MATCH_DEVICE,
	114	.idVendor = USB_VID_NATIVEINSTRUMENTS,
	115	.idProduct = USB_PID_SESSIONIO
	116	},
2165592b DM	117	{
	118	.match_flags = USB_DEVICE_ID_MATCH_DEVICE,
	119	.idVendor = USB_VID_NATIVEINSTRUMENTS,
	120	.idProduct = USB_PID_GUITARRIGMOBILE
	121	},
	122	{
	123	.match_flags = USB_DEVICE_ID_MATCH_DEVICE,
	124	.idVendor = USB_VID_NATIVEINSTRUMENTS,
	125	.idProduct = USB_PID_AUDIO4DJ
	126	},
b30c4947 DM	127	{
	128	.match_flags = USB_DEVICE_ID_MATCH_DEVICE,
	129	.idVendor = USB_VID_NATIVEINSTRUMENTS,
	130	.idProduct = USB_PID_AUDIO2DJ
	131	},
6da7a2aa DM	132	{
	133	.match_flags = USB_DEVICE_ID_MATCH_DEVICE,
	134	.idVendor = USB_VID_NATIVEINSTRUMENTS,
	135	.idProduct = USB_PID_TRAKTORKONTROLX1
	136	},
523f1dce DM	137	{ /* terminator */ }
	138	};
	139
	140	static void usb_ep1_command_reply_dispatch (struct urb* urb)
	141	{
	142	int ret;
	143	struct snd_usb_caiaqdev *dev = urb->context;
	144	unsigned char *buf = urb->transfer_buffer;
	145
	146	if (urb->status \|\| !dev) {
	147	log("received EP1 urb->status = %i\n", urb->status);
	148	return;
	149	}
	150
	151	switch(buf[0]) {
	152	case EP1_CMD_GET_DEVICE_INFO:
	153	memcpy(&dev->spec, buf+1, sizeof(struct caiaq_device_spec));
	154	dev->spec.fw_version = le16_to_cpu(dev->spec.fw_version);
	155	debug("device spec (firmware %d): audio: %d in, %d out, "
	156	"MIDI: %d in, %d out, data alignment %d\n",
	157	dev->spec.fw_version,
	158	dev->spec.num_analog_audio_in,
	159	dev->spec.num_analog_audio_out,
	160	dev->spec.num_midi_in,
	161	dev->spec.num_midi_out,
	162	dev->spec.data_alignment);
	163
	164	dev->spec_received++;
	165	wake_up(&dev->ep1_wait_queue);
	166	break;
	167	case EP1_CMD_AUDIO_PARAMS:
	168	dev->audio_parm_answer = buf[1];
	169	wake_up(&dev->ep1_wait_queue);
	170	break;
	171	case EP1_CMD_MIDI_READ:
	172	snd_usb_caiaq_midi_handle_input(dev, buf[1], buf + 3, buf[2]);
	173	break;
8e3cd08e DM	174	case EP1_CMD_READ_IO:
	175	if (dev->chip.usb_id ==
	176	USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO8DJ)) {
	177	if (urb->actual_length > sizeof(dev->control_state))
	178	urb->actual_length = sizeof(dev->control_state);
	179	memcpy(dev->control_state, buf + 1, urb->actual_length);
	180	wake_up(&dev->ep1_wait_queue);
	181	break;
	182	}
523f1dce DM	183	#ifdef CONFIG_SND_USB_CAIAQ_INPUT
	184	case EP1_CMD_READ_ERP:
	185	case EP1_CMD_READ_ANALOG:
523f1dce	186	snd_usb_caiaq_input_dispatch(dev, buf, urb->actual_length);
523f1dce	187	#endif
8e3cd08e	188	break;
523f1dce DM	189	}
	190
	191	dev->ep1_in_urb.actual_length = 0;
	192	ret = usb_submit_urb(&dev->ep1_in_urb, GFP_ATOMIC);
	193	if (ret < 0)
	194	log("unable to submit urb. OOM!?\n");
	195	}
	196
8e3cd08e DM	197	int snd_usb_caiaq_send_command(struct snd_usb_caiaqdev *dev,
	198	unsigned char command,
	199	const unsigned char *buffer,
	200	int len)
523f1dce DM	201	{
	202	int actual_len;
	203	struct usb_device *usb_dev = dev->chip.dev;
	204
	205	if (!usb_dev)
	206	return -EIO;
	207
	208	if (len > EP1_BUFSIZE - 1)
	209	len = EP1_BUFSIZE - 1;
	210
	211	if (buffer && len > 0)
	212	memcpy(dev->ep1_out_buf+1, buffer, len);
9318dce5	213
523f1dce DM	214	dev->ep1_out_buf[0] = command;
	215	return usb_bulk_msg(usb_dev, usb_sndbulkpipe(usb_dev, 1),
	216	dev->ep1_out_buf, len+1, &actual_len, 200);
	217	}
	218
	219	int snd_usb_caiaq_set_audio_params (struct snd_usb_caiaqdev *dev,
	220	int rate, int depth, int bpp)
	221	{
	222	int ret;
	223	char tmp[5];
9318dce5	224
523f1dce DM	225	switch (rate) {
	226	case 44100: tmp[0] = SAMPLERATE_44100; break;
	227	case 48000: tmp[0] = SAMPLERATE_48000; break;
	228	case 88200: tmp[0] = SAMPLERATE_88200; break;
	229	case 96000: tmp[0] = SAMPLERATE_96000; break;
	230	case 192000: tmp[0] = SAMPLERATE_192000; break;
	231	default: return -EINVAL;
	232	}
	233
	234	switch (depth) {
	235	case 16: tmp[1] = DEPTH_16; break;
	236	case 24: tmp[1] = DEPTH_24; break;
	237	default: return -EINVAL;
	238	}
	239
	240	tmp[2] = bpp & 0xff;
	241	tmp[3] = bpp >> 8;
	242	tmp[4] = 1; /* packets per microframe */
	243
	244	debug("setting audio params: %d Hz, %d bits, %d bpp\n",
	245	rate, depth, bpp);
	246
	247	dev->audio_parm_answer = -1;
8e3cd08e DM	248	ret = snd_usb_caiaq_send_command(dev, EP1_CMD_AUDIO_PARAMS,
8e3cd08e DM	249	tmp, sizeof(tmp));
523f1dce DM	250
	251	if (ret)
	252	return ret;
9318dce5 DM	253
9318dce5 DM	254	if (!wait_event_timeout(dev->ep1_wait_queue,
523f1dce DM	255	dev->audio_parm_answer >= 0, HZ))
523f1dce DM	256	return -EPIPE;
9318dce5 DM	257
9318dce5 DM	258	if (dev->audio_parm_answer != 1)
523f1dce	259	debug("unable to set the device's audio params\n");
9311c9b4 DM	260	else
9311c9b4 DM	261	dev->bpp = bpp;
523f1dce DM	262
	263	return dev->audio_parm_answer == 1 ? 0 : -EINVAL;
	264	}
	265
9318dce5 DM	266	int snd_usb_caiaq_set_auto_msg(struct snd_usb_caiaqdev *dev,
9318dce5 DM	267	int digital, int analog, int erp)
523f1dce DM	268	{
523f1dce DM	269	char tmp[3] = { digital, analog, erp };
8e3cd08e DM	270	return snd_usb_caiaq_send_command(dev, EP1_CMD_AUTO_MSG,
8e3cd08e DM	271	tmp, sizeof(tmp));
523f1dce DM	272	}
523f1dce DM	273
c598195a	274	static void __devinit setup_card(struct snd_usb_caiaqdev *dev)
523f1dce DM	275	{
523f1dce DM	276	int ret;
ad1e34b5	277	char val[4];
9318dce5	278
523f1dce DM	279	/* device-specific startup specials */
	280	switch (dev->chip.usb_id) {
	281	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL2):
	282	/* RigKontrol2 - display centered dash ('-') */
	283	val[0] = 0x00;
	284	val[1] = 0x00;
	285	val[2] = 0x01;
8e3cd08e	286	snd_usb_caiaq_send_command(dev, EP1_CMD_WRITE_IO, val, 3);
523f1dce	287	break;
ad1e34b5 DM	288	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL3):
	289	/* RigKontrol2 - display two centered dashes ('--') */
	290	val[0] = 0x00;
	291	val[1] = 0x40;
	292	val[2] = 0x40;
	293	val[3] = 0x00;
8e3cd08e	294	snd_usb_caiaq_send_command(dev, EP1_CMD_WRITE_IO, val, 4);
ad1e34b5	295	break;
523f1dce DM	296	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AK1):
	297	/* Audio Kontrol 1 - make USB-LED stop blinking */
	298	val[0] = 0x00;
8e3cd08e DM	299	snd_usb_caiaq_send_command(dev, EP1_CMD_WRITE_IO, val, 1);
	300	break;
	301	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO8DJ):
	302	/* Audio 8 DJ - trigger read of current settings */
	303	dev->control_state[0] = 0xff;
	304	snd_usb_caiaq_set_auto_msg(dev, 1, 0, 0);
	305	snd_usb_caiaq_send_command(dev, EP1_CMD_READ_IO, NULL, 0);
	306
	307	if (!wait_event_timeout(dev->ep1_wait_queue,
	308	dev->control_state[0] != 0xff, HZ))
	309	return;
	310
	311	/* fix up some defaults */
	312	if ((dev->control_state[1] != 2) \|\|
	313	(dev->control_state[2] != 3) \|\|
	314	(dev->control_state[4] != 2)) {
	315	dev->control_state[1] = 2;
	316	dev->control_state[2] = 3;
	317	dev->control_state[4] = 2;
	318	snd_usb_caiaq_send_command(dev,
	319	EP1_CMD_WRITE_IO, dev->control_state, 6);
	320	}
	321
523f1dce DM	322	break;
523f1dce DM	323	}
9318dce5	324
7829d0ec DM	325	if (dev->spec.num_analog_audio_out +
	326	dev->spec.num_analog_audio_in +
	327	dev->spec.num_digital_audio_out +
	328	dev->spec.num_digital_audio_in > 0) {
	329	ret = snd_usb_caiaq_audio_init(dev);
	330	if (ret < 0)
	331	log("Unable to set up audio system (ret=%d)\n", ret);
	332	}
9318dce5	333
7829d0ec DM	334	if (dev->spec.num_midi_in +
	335	dev->spec.num_midi_out > 0) {
	336	ret = snd_usb_caiaq_midi_init(dev);
	337	if (ret < 0)
	338	log("Unable to set up MIDI system (ret=%d)\n", ret);
	339	}
523f1dce DM	340
	341	#ifdef CONFIG_SND_USB_CAIAQ_INPUT
	342	ret = snd_usb_caiaq_input_init(dev);
	343	if (ret < 0)
	344	log("Unable to set up input system (ret=%d)\n", ret);
	345	#endif
	346
	347	/* finally, register the card and all its sub-instances */
	348	ret = snd_card_register(dev->chip.card);
	349	if (ret < 0) {
	350	log("snd_card_register() returned %d\n", ret);
	351	snd_card_free(dev->chip.card);
	352	}
8e3cd08e DM	353
	354	ret = snd_usb_caiaq_control_init(dev);
	355	if (ret < 0)
	356	log("Unable to set up control system (ret=%d)\n", ret);
523f1dce DM	357	}
523f1dce DM	358
563c2bf5 DM	359	static int create_card(struct usb_device *usb_dev,
	360	struct usb_interface *intf,
	361	struct snd_card **cardp)
523f1dce DM	362	{
523f1dce DM	363	int devnum;
bd7dd77c	364	int err;
523f1dce DM	365	struct snd_card *card;
	366	struct snd_usb_caiaqdev *dev;
	367
	368	for (devnum = 0; devnum < SNDRV_CARDS; devnum++)
	369	if (enable[devnum] && !snd_card_used[devnum])
	370	break;
	371
	372	if (devnum >= SNDRV_CARDS)
51721f70	373	return -ENODEV;
523f1dce	374
9318dce5	375	err = snd_card_create(index[devnum], id[devnum], THIS_MODULE,
bd7dd77c TI	376	sizeof(struct snd_usb_caiaqdev), &card);
bd7dd77c TI	377	if (err < 0)
51721f70	378	return err;
523f1dce DM	379
	380	dev = caiaqdev(card);
	381	dev->chip.dev = usb_dev;
	382	dev->chip.card = card;
8c5330a5 AV	383	dev->chip.usb_id = USB_ID(le16_to_cpu(usb_dev->descriptor.idVendor),
8c5330a5 AV	384	le16_to_cpu(usb_dev->descriptor.idProduct));
523f1dce	385	spin_lock_init(&dev->spinlock);
563c2bf5	386	snd_card_set_dev(card, &intf->dev);
523f1dce	387
51721f70 TI	388	*cardp = card;
51721f70 TI	389	return 0;
523f1dce DM	390	}
523f1dce DM	391
c598195a	392	static int __devinit init_card(struct snd_usb_caiaqdev *dev)
523f1dce	393	{
bafeee5b	394	char *c, usbpath[32];
523f1dce DM	395	struct usb_device *usb_dev = dev->chip.dev;
523f1dce DM	396	struct snd_card *card = dev->chip.card;
bafeee5b	397	int err, len;
9318dce5	398
523f1dce DM	399	if (usb_set_interface(usb_dev, 0, 1) != 0) {
	400	log("can't set alt interface.\n");
	401	return -EIO;
	402	}
	403
	404	usb_init_urb(&dev->ep1_in_urb);
	405	usb_init_urb(&dev->midi_out_urb);
	406
9318dce5	407	usb_fill_bulk_urb(&dev->ep1_in_urb, usb_dev,
523f1dce	408	usb_rcvbulkpipe(usb_dev, 0x1),
9318dce5	409	dev->ep1_in_buf, EP1_BUFSIZE,
523f1dce DM	410	usb_ep1_command_reply_dispatch, dev);
523f1dce DM	411
9318dce5	412	usb_fill_bulk_urb(&dev->midi_out_urb, usb_dev,
523f1dce	413	usb_sndbulkpipe(usb_dev, 0x1),
9318dce5	414	dev->midi_out_buf, EP1_BUFSIZE,
523f1dce	415	snd_usb_caiaq_midi_output_done, dev);
9318dce5	416
523f1dce DM	417	init_waitqueue_head(&dev->ep1_wait_queue);
523f1dce DM	418	init_waitqueue_head(&dev->prepare_wait_queue);
9318dce5	419
523f1dce DM	420	if (usb_submit_urb(&dev->ep1_in_urb, GFP_KERNEL) != 0)
	421	return -EIO;
	422
8e3cd08e	423	err = snd_usb_caiaq_send_command(dev, EP1_CMD_GET_DEVICE_INFO, NULL, 0);
523f1dce DM	424	if (err)
	425	return err;
	426
	427	if (!wait_event_timeout(dev->ep1_wait_queue, dev->spec_received, HZ))
	428	return -ENODEV;
	429
	430	usb_string(usb_dev, usb_dev->descriptor.iManufacturer,
	431	dev->vendor_name, CAIAQ_USB_STR_LEN);
9318dce5	432
523f1dce DM	433	usb_string(usb_dev, usb_dev->descriptor.iProduct,
523f1dce DM	434	dev->product_name, CAIAQ_USB_STR_LEN);
9318dce5	435
d3873a1b DM	436	strlcpy(card->driver, MODNAME, sizeof(card->driver));
d3873a1b DM	437	strlcpy(card->shortname, dev->product_name, sizeof(card->shortname));
955f2d96	438	strlcpy(card->mixername, dev->product_name, sizeof(card->mixername));
523f1dce	439
bafeee5b DM	440	/* if the id was not passed as module option, fill it with a shortened
	441	* version of the product string which does not contain any
	442	* whitespaces */
	443
	444	if (*card->id == '\0') {
	445	char id[sizeof(card->id)];
	446
	447	memset(id, 0, sizeof(id));
	448
	449	for (c = card->shortname, len = 0;
	450	*c && len < sizeof(card->id); c++)
	451	if (*c != ' ')
	452	id[len++] = *c;
	453
	454	snd_card_set_id(card, id);
	455	}
	456
1a1df6f0 DM	457	usb_make_path(usb_dev, usbpath, sizeof(usbpath));
	458	snprintf(card->longname, sizeof(card->longname),
	459	"%s %s (%s)",
	460	dev->vendor_name, dev->product_name, usbpath);
523f1dce	461
523f1dce DM	462	setup_card(dev);
	463	return 0;
	464	}
	465
9318dce5	466	static int __devinit snd_probe(struct usb_interface *intf,
523f1dce DM	467	const struct usb_device_id *id)
	468	{
	469	int ret;
	470	struct snd_card *card;
	471	struct usb_device *device = interface_to_usbdev(intf);
9318dce5	472
563c2bf5	473	ret = create_card(device, intf, &card);
9318dce5	474
51721f70 TI	475	if (ret < 0)
51721f70 TI	476	return ret;
9318dce5	477
f4e9749f	478	usb_set_intfdata(intf, card);
523f1dce DM	479	ret = init_card(caiaqdev(card));
	480	if (ret < 0) {
	481	log("unable to init card! (ret=%d)\n", ret);
	482	snd_card_free(card);
	483	return ret;
	484	}
9318dce5	485
523f1dce DM	486	return 0;
	487	}
	488
	489	static void snd_disconnect(struct usb_interface *intf)
	490	{
	491	struct snd_usb_caiaqdev *dev;
f4e9749f	492	struct snd_card *card = usb_get_intfdata(intf);
523f1dce	493
8d048841	494	debug("%s(%p)\n", __func__, intf);
523f1dce DM	495
	496	if (!card)
	497	return;
	498
	499	dev = caiaqdev(card);
	500	snd_card_disconnect(card);
	501
	502	#ifdef CONFIG_SND_USB_CAIAQ_INPUT
	503	snd_usb_caiaq_input_free(dev);
	504	#endif
	505	snd_usb_caiaq_audio_free(dev);
9318dce5	506
523f1dce DM	507	usb_kill_urb(&dev->ep1_in_urb);
523f1dce DM	508	usb_kill_urb(&dev->midi_out_urb);
9318dce5	509
523f1dce DM	510	snd_card_free(card);
	511	usb_reset_device(interface_to_usbdev(intf));
	512	}
	513
	514
	515	MODULE_DEVICE_TABLE(usb, snd_usb_id_table);
	516	static struct usb_driver snd_usb_driver = {
	517	.name = MODNAME,
	518	.probe = snd_probe,
	519	.disconnect = snd_disconnect,
	520	.id_table = snd_usb_id_table,
	521	};
	522
	523	static int __init snd_module_init(void)
	524	{
	525	return usb_register(&snd_usb_driver);
	526	}
	527
	528	static void __exit snd_module_exit(void)
	529	{
	530	usb_deregister(&snd_usb_driver);
	531	}
	532
	533	module_init(snd_module_init)
	534	module_exit(snd_module_exit)
	535