[deliverable/linux.git] / sound / usb / caiaq / 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/init.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/interrupt.h>
#include <linux/usb.h>
#include <linux/input.h>
#include <linux/spinlock.h>
#include <sound/driver.h>
#include <sound/core.h>
#include <sound/initval.h>
#include <sound/pcm.h>
#include <sound/rawmidi.h>

#include "caiaq-device.h"
#include "caiaq-audio.h"
#include "caiaq-midi.h"

#ifdef CONFIG_SND_USB_CAIAQ_INPUT
#include "caiaq-input.h"
#endif

MODULE_AUTHOR("Daniel Mack <daniel@caiaq.de>");
MODULE_DESCRIPTION("caiaq USB audio, version 1.1.0");
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{Native Instruments, RigKontrol2},"
			 "{Native Instruments, Kore Controller},"
			 "{Native Instruments, Audio Kontrol 1}"
			 "{Native Instruments, Audio 8 DJ}}");

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_KORECONTROLLER
	},
	{
		.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
	},
	{ /* 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;

#ifdef CONFIG_SND_USB_CAIAQ_INPUT
	case EP1_CMD_READ_ERP:
	case EP1_CMD_READ_ANALOG:
	case EP1_CMD_READ_IO:
		snd_usb_caiaq_input_dispatch(dev, buf, urb->actual_length);
		break;
#endif
	}

	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");
}

static int 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 = 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");

	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 send_command(dev, EP1_CMD_AUTO_MSG, tmp, sizeof(tmp));
}

static void setup_card(struct snd_usb_caiaqdev *dev)
{
	int ret;
	char val[3];
	
	/* 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;
		send_command(dev, EP1_CMD_WRITE_IO, val, 3);
		break;
	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AK1):
		/* Audio Kontrol 1 - make USB-LED stop blinking */
		val[0] = 0x00;
		send_command(dev, EP1_CMD_WRITE_IO, val, 1);
		break;
	}
	
	ret = snd_usb_caiaq_audio_init(dev);
	if (ret < 0)
		log("Unable to set up audio system (ret=%d)\n", ret);
	
	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);
	}
}

static struct snd_card* create_card(struct usb_device* usb_dev)
{
	int devnum;
	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 NULL;

	card = snd_card_new(index[devnum], id[devnum], THIS_MODULE, 
					sizeof(struct snd_usb_caiaqdev));
	if (!card)
		return NULL;

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

	return card;
}

static int init_card(struct snd_usb_caiaqdev *dev)
{
	char *c;
	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 = 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);
	
	usb_string(usb_dev, usb_dev->descriptor.iSerialNumber,
		   dev->serial, CAIAQ_USB_STR_LEN);

	/* terminate serial string at first white space occurence */
	c = strchr(dev->serial, ' ');
	if (c)
		*c = '\0';
	
	strcpy(card->driver, MODNAME);
	strcpy(card->shortname, dev->product_name);

	len = snprintf(card->longname, sizeof(card->longname),
		       "%s %s (serial %s, ",
		       dev->vendor_name, dev->product_name, dev->serial);

	if (len < sizeof(card->longname) - 2)
		len += usb_make_path(usb_dev, card->longname + len,
				     sizeof(card->longname) - len);

	card->longname[len++] = ')';
	card->longname[len] = '\0';
	setup_card(dev);
	return 0;
}

static int 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);
	
	card = create_card(device);
	
	if (!card)
		return -ENOMEM;
			
	dev_set_drvdata(&intf->dev, 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 = dev_get_drvdata(&intf->dev);

	debug("snd_disconnect(%p)\n", 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
	22	#include <linux/init.h>
	23	#include <linux/module.h>
	24	#include <linux/moduleparam.h>
	25	#include <linux/interrupt.h>
	26	#include <linux/usb.h>
	27	#include <linux/input.h>
	28	#include <linux/spinlock.h>
	29	#include <sound/driver.h>
	30	#include <sound/core.h>
	31	#include <sound/initval.h>
	32	#include <sound/pcm.h>
	33	#include <sound/rawmidi.h>
	34
	35	#include "caiaq-device.h"
	36	#include "caiaq-audio.h"
	37	#include "caiaq-midi.h"
	38
	39	#ifdef CONFIG_SND_USB_CAIAQ_INPUT
	40	#include "caiaq-input.h"
	41	#endif
	42
	43	MODULE_AUTHOR("Daniel Mack <daniel@caiaq.de>");
	44	MODULE_DESCRIPTION("caiaq USB audio, version 1.1.0");
	45	MODULE_LICENSE("GPL");
	46	MODULE_SUPPORTED_DEVICE("{{Native Instruments, RigKontrol2},"
	47	"{Native Instruments, Kore Controller},"
	48	"{Native Instruments, Audio Kontrol 1}"
	49	"{Native Instruments, Audio 8 DJ}}");
	50
	51	static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-max */
	52	static char* id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* Id for this card */
	53	static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
	54	static int snd_card_used[SNDRV_CARDS];
	55
	56	module_param_array(index, int, NULL, 0444);
	57	MODULE_PARM_DESC(index, "Index value for the caiaq sound device");
	58	module_param_array(id, charp, NULL, 0444);
	59	MODULE_PARM_DESC(id, "ID string for the caiaq soundcard.");
	60	module_param_array(enable, bool, NULL, 0444);
	61	MODULE_PARM_DESC(enable, "Enable the caiaq soundcard.");
	62
	63	enum {
	64	SAMPLERATE_44100 = 0,
65	SAMPLERATE_48000 = 1,
66	SAMPLERATE_96000 = 2,
67	SAMPLERATE_192000 = 3,
68	SAMPLERATE_88200 = 4,
69	SAMPLERATE_INVALID = 0xff
70	};
71
72	enum {
73	DEPTH_NONE = 0,
74	DEPTH_16 = 1,
75	DEPTH_24 = 2,
76	DEPTH_32 = 3
77	};
78
79	static struct usb_device_id snd_usb_id_table[] = {
80	{
81	.match_flags = USB_DEVICE_ID_MATCH_DEVICE,
82	.idVendor = USB_VID_NATIVEINSTRUMENTS,
83	.idProduct = USB_PID_RIGKONTROL2
84	},
85	{
86	.match_flags = USB_DEVICE_ID_MATCH_DEVICE,
87	.idVendor = USB_VID_NATIVEINSTRUMENTS,
88	.idProduct = USB_PID_KORECONTROLLER
89	},
90	{
91	.match_flags = USB_DEVICE_ID_MATCH_DEVICE,
92	.idVendor = USB_VID_NATIVEINSTRUMENTS,
93	.idProduct = USB_PID_AK1
94	},
95	{
96	.match_flags = USB_DEVICE_ID_MATCH_DEVICE,
97	.idVendor = USB_VID_NATIVEINSTRUMENTS,
98	.idProduct = USB_PID_AUDIO8DJ
99	},
100	{ /* terminator */ }
101	};
102
103	static void usb_ep1_command_reply_dispatch (struct urb* urb)
104	{
105	int ret;
106	struct snd_usb_caiaqdev *dev = urb->context;
107	unsigned char *buf = urb->transfer_buffer;
108
109	if (urb->status \|\| !dev) {
110	log("received EP1 urb->status = %i\n", urb->status);
111	return;
112	}
113
114	switch(buf[0]) {
115	case EP1_CMD_GET_DEVICE_INFO:
116	memcpy(&dev->spec, buf+1, sizeof(struct caiaq_device_spec));
117	dev->spec.fw_version = le16_to_cpu(dev->spec.fw_version);
118	debug("device spec (firmware %d): audio: %d in, %d out, "
119	"MIDI: %d in, %d out, data alignment %d\n",
120	dev->spec.fw_version,
121	dev->spec.num_analog_audio_in,
122	dev->spec.num_analog_audio_out,
123	dev->spec.num_midi_in,
124	dev->spec.num_midi_out,
125	dev->spec.data_alignment);
126
127	dev->spec_received++;
128	wake_up(&dev->ep1_wait_queue);
129	break;
130	case EP1_CMD_AUDIO_PARAMS:
131	dev->audio_parm_answer = buf[1];
132	wake_up(&dev->ep1_wait_queue);
133	break;
134	case EP1_CMD_MIDI_READ:
135	snd_usb_caiaq_midi_handle_input(dev, buf[1], buf + 3, buf[2]);
136	break;
137
138	#ifdef CONFIG_SND_USB_CAIAQ_INPUT
139	case EP1_CMD_READ_ERP:
140	case EP1_CMD_READ_ANALOG:
141	case EP1_CMD_READ_IO:
142	snd_usb_caiaq_input_dispatch(dev, buf, urb->actual_length);
143	break;
144	#endif
145	}
146
147	dev->ep1_in_urb.actual_length = 0;
148	ret = usb_submit_urb(&dev->ep1_in_urb, GFP_ATOMIC);
149	if (ret < 0)
150	log("unable to submit urb. OOM!?\n");
151	}
152
153	static int send_command (struct snd_usb_caiaqdev *dev,
154	unsigned char command,
155	const unsigned char *buffer,
156	int len)
157	{
158	int actual_len;
159	struct usb_device *usb_dev = dev->chip.dev;
160
161	if (!usb_dev)
162	return -EIO;
163
164	if (len > EP1_BUFSIZE - 1)
165	len = EP1_BUFSIZE - 1;
166
167	if (buffer && len > 0)
168	memcpy(dev->ep1_out_buf+1, buffer, len);
169
170	dev->ep1_out_buf[0] = command;
171	return usb_bulk_msg(usb_dev, usb_sndbulkpipe(usb_dev, 1),
172	dev->ep1_out_buf, len+1, &actual_len, 200);
173	}
174
175	int snd_usb_caiaq_set_audio_params (struct snd_usb_caiaqdev *dev,
176	int rate, int depth, int bpp)
177	{
178	int ret;
179	char tmp[5];
180
181	switch (rate) {
182	case 44100: tmp[0] = SAMPLERATE_44100; break;
183	case 48000: tmp[0] = SAMPLERATE_48000; break;
184	case 88200: tmp[0] = SAMPLERATE_88200; break;
185	case 96000: tmp[0] = SAMPLERATE_96000; break;
186	case 192000: tmp[0] = SAMPLERATE_192000; break;
187	default: return -EINVAL;
188	}
189
190	switch (depth) {
191	case 16: tmp[1] = DEPTH_16; break;
192	case 24: tmp[1] = DEPTH_24; break;
193	default: return -EINVAL;
194	}
195
196	tmp[2] = bpp & 0xff;
197	tmp[3] = bpp >> 8;
198	tmp[4] = 1; /* packets per microframe */
199
200	debug("setting audio params: %d Hz, %d bits, %d bpp\n",
201	rate, depth, bpp);
202
203	dev->audio_parm_answer = -1;
204	ret = send_command(dev, EP1_CMD_AUDIO_PARAMS, tmp, sizeof(tmp));
205
206	if (ret)
207	return ret;
208
209	if (!wait_event_timeout(dev->ep1_wait_queue,
210	dev->audio_parm_answer >= 0, HZ))
211	return -EPIPE;
212
213	if (dev->audio_parm_answer != 1)
214	debug("unable to set the device's audio params\n");
215
216	return dev->audio_parm_answer == 1 ? 0 : -EINVAL;
217	}
218
219	int snd_usb_caiaq_set_auto_msg (struct snd_usb_caiaqdev *dev,
220	int digital, int analog, int erp)
221	{
222	char tmp[3] = { digital, analog, erp };
223	return send_command(dev, EP1_CMD_AUTO_MSG, tmp, sizeof(tmp));
224	}
225
226	static void setup_card(struct snd_usb_caiaqdev *dev)
227	{
228	int ret;
229	char val[3];
230
231	/* device-specific startup specials */
232	switch (dev->chip.usb_id) {
233	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL2):
234	/* RigKontrol2 - display centered dash ('-') */
235	val[0] = 0x00;
236	val[1] = 0x00;
237	val[2] = 0x01;
238	send_command(dev, EP1_CMD_WRITE_IO, val, 3);
239	break;
240	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AK1):
241	/* Audio Kontrol 1 - make USB-LED stop blinking */
242	val[0] = 0x00;
243	send_command(dev, EP1_CMD_WRITE_IO, val, 1);
244	break;
245	}
246
247	ret = snd_usb_caiaq_audio_init(dev);
248	if (ret < 0)
249	log("Unable to set up audio system (ret=%d)\n", ret);
250
251	ret = snd_usb_caiaq_midi_init(dev);
252	if (ret < 0)
253	log("Unable to set up MIDI system (ret=%d)\n", ret);
254
255	#ifdef CONFIG_SND_USB_CAIAQ_INPUT
256	ret = snd_usb_caiaq_input_init(dev);
257	if (ret < 0)
258	log("Unable to set up input system (ret=%d)\n", ret);
259	#endif
260
261	/* finally, register the card and all its sub-instances */
262	ret = snd_card_register(dev->chip.card);
263	if (ret < 0) {
264	log("snd_card_register() returned %d\n", ret);
265	snd_card_free(dev->chip.card);
266	}
267	}
268
269	static struct snd_card* create_card(struct usb_device* usb_dev)
270	{
271	int devnum;
272	struct snd_card *card;
273	struct snd_usb_caiaqdev *dev;
274
275	for (devnum = 0; devnum < SNDRV_CARDS; devnum++)
276	if (enable[devnum] && !snd_card_used[devnum])
277	break;
278
279	if (devnum >= SNDRV_CARDS)
280	return NULL;
281
282	card = snd_card_new(index[devnum], id[devnum], THIS_MODULE,
283	sizeof(struct snd_usb_caiaqdev));
284	if (!card)
285	return NULL;
286
287	dev = caiaqdev(card);
288	dev->chip.dev = usb_dev;
289	dev->chip.card = card;
290	dev->chip.usb_id = USB_ID(usb_dev->descriptor.idVendor,
291	usb_dev->descriptor.idProduct);
292	spin_lock_init(&dev->spinlock);
293	snd_card_set_dev(card, &usb_dev->dev);
294
295	return card;
296	}
297
298	static int init_card(struct snd_usb_caiaqdev *dev)
299	{
300	char *c;
301	struct usb_device *usb_dev = dev->chip.dev;
302	struct snd_card *card = dev->chip.card;
303	int err, len;
304
305	if (usb_set_interface(usb_dev, 0, 1) != 0) {
306	log("can't set alt interface.\n");
307	return -EIO;
308	}
309
310	usb_init_urb(&dev->ep1_in_urb);
311	usb_init_urb(&dev->midi_out_urb);
312
313	usb_fill_bulk_urb(&dev->ep1_in_urb, usb_dev,
314	usb_rcvbulkpipe(usb_dev, 0x1),
315	dev->ep1_in_buf, EP1_BUFSIZE,
316	usb_ep1_command_reply_dispatch, dev);
317
318	usb_fill_bulk_urb(&dev->midi_out_urb, usb_dev,
319	usb_sndbulkpipe(usb_dev, 0x1),
320	dev->midi_out_buf, EP1_BUFSIZE,
321	snd_usb_caiaq_midi_output_done, dev);
322
323	init_waitqueue_head(&dev->ep1_wait_queue);
324	init_waitqueue_head(&dev->prepare_wait_queue);
325
326	if (usb_submit_urb(&dev->ep1_in_urb, GFP_KERNEL) != 0)
327	return -EIO;
328
329	err = send_command(dev, EP1_CMD_GET_DEVICE_INFO, NULL, 0);
330	if (err)
331	return err;
332
333	if (!wait_event_timeout(dev->ep1_wait_queue, dev->spec_received, HZ))
334	return -ENODEV;
335
336	usb_string(usb_dev, usb_dev->descriptor.iManufacturer,
337	dev->vendor_name, CAIAQ_USB_STR_LEN);
338
339	usb_string(usb_dev, usb_dev->descriptor.iProduct,
340	dev->product_name, CAIAQ_USB_STR_LEN);
341
342	usb_string(usb_dev, usb_dev->descriptor.iSerialNumber,
343	dev->serial, CAIAQ_USB_STR_LEN);
344
345	/* terminate serial string at first white space occurence */
346	c = strchr(dev->serial, ' ');
347	if (c)
348	*c = '\0';
349
350	strcpy(card->driver, MODNAME);
351	strcpy(card->shortname, dev->product_name);
352
353	len = snprintf(card->longname, sizeof(card->longname),
354	"%s %s (serial %s, ",
355	dev->vendor_name, dev->product_name, dev->serial);
356
357	if (len < sizeof(card->longname) - 2)
358	len += usb_make_path(usb_dev, card->longname + len,
359	sizeof(card->longname) - len);
360
361	card->longname[len++] = ')';
362	card->longname[len] = '\0';
363	setup_card(dev);
364	return 0;
365	}
366
367	static int snd_probe(struct usb_interface *intf,
368	const struct usb_device_id *id)
369	{
370	int ret;
371	struct snd_card *card;
372	struct usb_device *device = interface_to_usbdev(intf);
373
374	card = create_card(device);
375
376	if (!card)
377	return -ENOMEM;
378
379	dev_set_drvdata(&intf->dev, card);
380	ret = init_card(caiaqdev(card));
381	if (ret < 0) {
382	log("unable to init card! (ret=%d)\n", ret);
383	snd_card_free(card);
384	return ret;
385	}
386
387	return 0;
388	}
389
390	static void snd_disconnect(struct usb_interface *intf)
391	{
392	struct snd_usb_caiaqdev *dev;
393	struct snd_card *card = dev_get_drvdata(&intf->dev);
394
395	debug("snd_disconnect(%p)\n", intf);
396
397	if (!card)
398	return;
399
400	dev = caiaqdev(card);
401	snd_card_disconnect(card);
402
403	#ifdef CONFIG_SND_USB_CAIAQ_INPUT
404	snd_usb_caiaq_input_free(dev);
405	#endif
406	snd_usb_caiaq_audio_free(dev);
407
408	usb_kill_urb(&dev->ep1_in_urb);
409	usb_kill_urb(&dev->midi_out_urb);
410
411	snd_card_free(card);
412	usb_reset_device(interface_to_usbdev(intf));
413	}
414
415
416	MODULE_DEVICE_TABLE(usb, snd_usb_id_table);
417	static struct usb_driver snd_usb_driver = {
418	.name = MODNAME,
419	.probe = snd_probe,
420	.disconnect = snd_disconnect,
421	.id_table = snd_usb_id_table,
422	};
423
424	static int __init snd_module_init(void)
425	{
426	return usb_register(&snd_usb_driver);
427	}
428
429	static void __exit snd_module_exit(void)
430	{
431	usb_deregister(&snd_usb_driver);
432	}
433
434	module_init(snd_module_init)
435	module_exit(snd_module_exit)
436