[mirror_ubuntu-bionic-kernel.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 1.2.0");
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{Native Instruments, RigKontrol2},"
			 "{Native Instruments, RigKontrol3},"
			 "{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_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_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[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;
		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;
		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;
		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>");
ad1e34b5	44	MODULE_DESCRIPTION("caiaq USB audio, version 1.2.0");
523f1dce DM	45	MODULE_LICENSE("GPL");
523f1dce DM	46	MODULE_SUPPORTED_DEVICE("{{Native Instruments, RigKontrol2},"
ad1e34b5	47	"{Native Instruments, RigKontrol3},"
523f1dce DM	48	"{Native Instruments, Kore Controller},"
	49	"{Native Instruments, Audio Kontrol 1}"
	50	"{Native Instruments, Audio 8 DJ}}");
	51
	52	static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-max */
	53	static char* id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* Id for this card */
	54	static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
	55	static int snd_card_used[SNDRV_CARDS];
	56
	57	module_param_array(index, int, NULL, 0444);
	58	MODULE_PARM_DESC(index, "Index value for the caiaq sound device");
	59	module_param_array(id, charp, NULL, 0444);
	60	MODULE_PARM_DESC(id, "ID string for the caiaq soundcard.");
	61	module_param_array(enable, bool, NULL, 0444);
	62	MODULE_PARM_DESC(enable, "Enable the caiaq soundcard.");
	63
	64	enum {
	65	SAMPLERATE_44100 = 0,
	66	SAMPLERATE_48000 = 1,
	67	SAMPLERATE_96000 = 2,
	68	SAMPLERATE_192000 = 3,
	69	SAMPLERATE_88200 = 4,
	70	SAMPLERATE_INVALID = 0xff
	71	};
	72
	73	enum {
	74	DEPTH_NONE = 0,
	75	DEPTH_16 = 1,
	76	DEPTH_24 = 2,
	77	DEPTH_32 = 3
	78	};
	79
	80	static struct usb_device_id snd_usb_id_table[] = {
	81	{
	82	.match_flags = USB_DEVICE_ID_MATCH_DEVICE,
	83	.idVendor = USB_VID_NATIVEINSTRUMENTS,
	84	.idProduct = USB_PID_RIGKONTROL2
	85	},
ad1e34b5 DM	86	{
	87	.match_flags = USB_DEVICE_ID_MATCH_DEVICE,
	88	.idVendor = USB_VID_NATIVEINSTRUMENTS,
	89	.idProduct = USB_PID_RIGKONTROL3
	90	},
523f1dce DM	91	{
	92	.match_flags = USB_DEVICE_ID_MATCH_DEVICE,
	93	.idVendor = USB_VID_NATIVEINSTRUMENTS,
	94	.idProduct = USB_PID_KORECONTROLLER
	95	},
	96	{
	97	.match_flags = USB_DEVICE_ID_MATCH_DEVICE,
	98	.idVendor = USB_VID_NATIVEINSTRUMENTS,
	99	.idProduct = USB_PID_AK1
	100	},
	101	{
	102	.match_flags = USB_DEVICE_ID_MATCH_DEVICE,
	103	.idVendor = USB_VID_NATIVEINSTRUMENTS,
	104	.idProduct = USB_PID_AUDIO8DJ
	105	},
	106	{ /* terminator */ }
	107	};
	108
	109	static void usb_ep1_command_reply_dispatch (struct urb* urb)
	110	{
	111	int ret;
	112	struct snd_usb_caiaqdev *dev = urb->context;
	113	unsigned char *buf = urb->transfer_buffer;
	114
	115	if (urb->status \|\| !dev) {
	116	log("received EP1 urb->status = %i\n", urb->status);
	117	return;
	118	}
	119
	120	switch(buf[0]) {
	121	case EP1_CMD_GET_DEVICE_INFO:
	122	memcpy(&dev->spec, buf+1, sizeof(struct caiaq_device_spec));
	123	dev->spec.fw_version = le16_to_cpu(dev->spec.fw_version);
	124	debug("device spec (firmware %d): audio: %d in, %d out, "
	125	"MIDI: %d in, %d out, data alignment %d\n",
	126	dev->spec.fw_version,
	127	dev->spec.num_analog_audio_in,
	128	dev->spec.num_analog_audio_out,
	129	dev->spec.num_midi_in,
	130	dev->spec.num_midi_out,
	131	dev->spec.data_alignment);
	132
	133	dev->spec_received++;
	134	wake_up(&dev->ep1_wait_queue);
	135	break;
	136	case EP1_CMD_AUDIO_PARAMS:
	137	dev->audio_parm_answer = buf[1];
	138	wake_up(&dev->ep1_wait_queue);
	139	break;
	140	case EP1_CMD_MIDI_READ:
	141	snd_usb_caiaq_midi_handle_input(dev, buf[1], buf + 3, buf[2]);
	142	break;
	143
	144	#ifdef CONFIG_SND_USB_CAIAQ_INPUT
	145	case EP1_CMD_READ_ERP:
	146	case EP1_CMD_READ_ANALOG:
	147	case EP1_CMD_READ_IO:
	148	snd_usb_caiaq_input_dispatch(dev, buf, urb->actual_length);
	149	break;
	150	#endif
	151	}
	152
	153	dev->ep1_in_urb.actual_length = 0;
	154	ret = usb_submit_urb(&dev->ep1_in_urb, GFP_ATOMIC);
155	if (ret < 0)
156	log("unable to submit urb. OOM!?\n");
157	}
158
159	static int send_command (struct snd_usb_caiaqdev *dev,
160	unsigned char command,
161	const unsigned char *buffer,
162	int len)
163	{
164	int actual_len;
165	struct usb_device *usb_dev = dev->chip.dev;
166
167	if (!usb_dev)
168	return -EIO;
169
170	if (len > EP1_BUFSIZE - 1)
171	len = EP1_BUFSIZE - 1;
172
173	if (buffer && len > 0)
174	memcpy(dev->ep1_out_buf+1, buffer, len);
175
176	dev->ep1_out_buf[0] = command;
177	return usb_bulk_msg(usb_dev, usb_sndbulkpipe(usb_dev, 1),
178	dev->ep1_out_buf, len+1, &actual_len, 200);
179	}
180
181	int snd_usb_caiaq_set_audio_params (struct snd_usb_caiaqdev *dev,
182	int rate, int depth, int bpp)
183	{
184	int ret;
185	char tmp[5];
186
187	switch (rate) {
188	case 44100: tmp[0] = SAMPLERATE_44100; break;
189	case 48000: tmp[0] = SAMPLERATE_48000; break;
190	case 88200: tmp[0] = SAMPLERATE_88200; break;
191	case 96000: tmp[0] = SAMPLERATE_96000; break;
192	case 192000: tmp[0] = SAMPLERATE_192000; break;
193	default: return -EINVAL;
194	}
195
196	switch (depth) {
197	case 16: tmp[1] = DEPTH_16; break;
198	case 24: tmp[1] = DEPTH_24; break;
199	default: return -EINVAL;
200	}
201
202	tmp[2] = bpp & 0xff;
203	tmp[3] = bpp >> 8;
204	tmp[4] = 1; /* packets per microframe */
205
206	debug("setting audio params: %d Hz, %d bits, %d bpp\n",
207	rate, depth, bpp);
208
209	dev->audio_parm_answer = -1;
210	ret = send_command(dev, EP1_CMD_AUDIO_PARAMS, tmp, sizeof(tmp));
211
212	if (ret)
213	return ret;
214
215	if (!wait_event_timeout(dev->ep1_wait_queue,
216	dev->audio_parm_answer >= 0, HZ))
217	return -EPIPE;
218
219	if (dev->audio_parm_answer != 1)
220	debug("unable to set the device's audio params\n");
221
222	return dev->audio_parm_answer == 1 ? 0 : -EINVAL;
223	}
224
225	int snd_usb_caiaq_set_auto_msg (struct snd_usb_caiaqdev *dev,
226	int digital, int analog, int erp)
227	{
228	char tmp[3] = { digital, analog, erp };
229	return send_command(dev, EP1_CMD_AUTO_MSG, tmp, sizeof(tmp));
230	}
231
232	static void setup_card(struct snd_usb_caiaqdev *dev)
233	{
234	int ret;
ad1e34b5	235	char val[4];
523f1dce DM	236
	237	/* device-specific startup specials */
	238	switch (dev->chip.usb_id) {
	239	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL2):
	240	/* RigKontrol2 - display centered dash ('-') */
	241	val[0] = 0x00;
	242	val[1] = 0x00;
	243	val[2] = 0x01;
	244	send_command(dev, EP1_CMD_WRITE_IO, val, 3);
	245	break;
ad1e34b5 DM	246	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL3):
	247	/* RigKontrol2 - display two centered dashes ('--') */
	248	val[0] = 0x00;
	249	val[1] = 0x40;
	250	val[2] = 0x40;
	251	val[3] = 0x00;
	252	send_command(dev, EP1_CMD_WRITE_IO, val, 4);
	253	break;
523f1dce DM	254	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AK1):
	255	/* Audio Kontrol 1 - make USB-LED stop blinking */
	256	val[0] = 0x00;
	257	send_command(dev, EP1_CMD_WRITE_IO, val, 1);
	258	break;
	259	}
	260
	261	ret = snd_usb_caiaq_audio_init(dev);
	262	if (ret < 0)
	263	log("Unable to set up audio system (ret=%d)\n", ret);
	264
	265	ret = snd_usb_caiaq_midi_init(dev);
	266	if (ret < 0)
	267	log("Unable to set up MIDI system (ret=%d)\n", ret);
	268
	269	#ifdef CONFIG_SND_USB_CAIAQ_INPUT
	270	ret = snd_usb_caiaq_input_init(dev);
	271	if (ret < 0)
	272	log("Unable to set up input system (ret=%d)\n", ret);
	273	#endif
	274
	275	/* finally, register the card and all its sub-instances */
	276	ret = snd_card_register(dev->chip.card);
	277	if (ret < 0) {
	278	log("snd_card_register() returned %d\n", ret);
	279	snd_card_free(dev->chip.card);
	280	}
	281	}
	282
	283	static struct snd_card* create_card(struct usb_device* usb_dev)
	284	{
	285	int devnum;
	286	struct snd_card *card;
	287	struct snd_usb_caiaqdev *dev;
	288
	289	for (devnum = 0; devnum < SNDRV_CARDS; devnum++)
	290	if (enable[devnum] && !snd_card_used[devnum])
	291	break;
	292
	293	if (devnum >= SNDRV_CARDS)
	294	return NULL;
	295
	296	card = snd_card_new(index[devnum], id[devnum], THIS_MODULE,
	297	sizeof(struct snd_usb_caiaqdev));
	298	if (!card)
	299	return NULL;
	300
	301	dev = caiaqdev(card);
	302	dev->chip.dev = usb_dev;
	303	dev->chip.card = card;
	304	dev->chip.usb_id = USB_ID(usb_dev->descriptor.idVendor,
	305	usb_dev->descriptor.idProduct);
	306	spin_lock_init(&dev->spinlock);
	307	snd_card_set_dev(card, &usb_dev->dev);
	308
	309	return card;
	310	}
	311
	312	static int init_card(struct snd_usb_caiaqdev *dev)
	313	{
	314	char *c;
	315	struct usb_device *usb_dev = dev->chip.dev;
	316	struct snd_card *card = dev->chip.card;
	317	int err, len;
318
319	if (usb_set_interface(usb_dev, 0, 1) != 0) {
320	log("can't set alt interface.\n");
321	return -EIO;
322	}
323
324	usb_init_urb(&dev->ep1_in_urb);
325	usb_init_urb(&dev->midi_out_urb);
326
327	usb_fill_bulk_urb(&dev->ep1_in_urb, usb_dev,
328	usb_rcvbulkpipe(usb_dev, 0x1),
329	dev->ep1_in_buf, EP1_BUFSIZE,
330	usb_ep1_command_reply_dispatch, dev);
331
332	usb_fill_bulk_urb(&dev->midi_out_urb, usb_dev,
333	usb_sndbulkpipe(usb_dev, 0x1),
334	dev->midi_out_buf, EP1_BUFSIZE,
335	snd_usb_caiaq_midi_output_done, dev);
336
337	init_waitqueue_head(&dev->ep1_wait_queue);
338	init_waitqueue_head(&dev->prepare_wait_queue);
339
340	if (usb_submit_urb(&dev->ep1_in_urb, GFP_KERNEL) != 0)
341	return -EIO;
342
343	err = send_command(dev, EP1_CMD_GET_DEVICE_INFO, NULL, 0);
344	if (err)
345	return err;
346
347	if (!wait_event_timeout(dev->ep1_wait_queue, dev->spec_received, HZ))
348	return -ENODEV;
349
350	usb_string(usb_dev, usb_dev->descriptor.iManufacturer,
351	dev->vendor_name, CAIAQ_USB_STR_LEN);
352
353	usb_string(usb_dev, usb_dev->descriptor.iProduct,
354	dev->product_name, CAIAQ_USB_STR_LEN);
355
356	usb_string(usb_dev, usb_dev->descriptor.iSerialNumber,
357	dev->serial, CAIAQ_USB_STR_LEN);
358
359	/* terminate serial string at first white space occurence */
360	c = strchr(dev->serial, ' ');
361	if (c)
362	*c = '\0';
363
364	strcpy(card->driver, MODNAME);
365	strcpy(card->shortname, dev->product_name);
366
367	len = snprintf(card->longname, sizeof(card->longname),
368	"%s %s (serial %s, ",
369	dev->vendor_name, dev->product_name, dev->serial);
370
371	if (len < sizeof(card->longname) - 2)
372	len += usb_make_path(usb_dev, card->longname + len,
373	sizeof(card->longname) - len);
374
375	card->longname[len++] = ')';
376	card->longname[len] = '\0';
377	setup_card(dev);
378	return 0;
379	}
380
381	static int snd_probe(struct usb_interface *intf,
382	const struct usb_device_id *id)
383	{
384	int ret;
385	struct snd_card *card;
386	struct usb_device *device = interface_to_usbdev(intf);
387
388	card = create_card(device);
389
390	if (!card)
391	return -ENOMEM;
392
393	dev_set_drvdata(&intf->dev, card);
394	ret = init_card(caiaqdev(card));
395	if (ret < 0) {
396	log("unable to init card! (ret=%d)\n", ret);
397	snd_card_free(card);
398	return ret;
399	}
400
401	return 0;
402	}
403
404	static void snd_disconnect(struct usb_interface *intf)
405	{
406	struct snd_usb_caiaqdev *dev;
407	struct snd_card *card = dev_get_drvdata(&intf->dev);
408
409	debug("snd_disconnect(%p)\n", intf);
410
411	if (!card)
412	return;
413
414	dev = caiaqdev(card);
415	snd_card_disconnect(card);
416
417	#ifdef CONFIG_SND_USB_CAIAQ_INPUT
418	snd_usb_caiaq_input_free(dev);
419	#endif
420	snd_usb_caiaq_audio_free(dev);
421
422	usb_kill_urb(&dev->ep1_in_urb);
423	usb_kill_urb(&dev->midi_out_urb);
424
425	snd_card_free(card);
426	usb_reset_device(interface_to_usbdev(intf));
427	}
428
429
430	MODULE_DEVICE_TABLE(usb, snd_usb_id_table);
431	static struct usb_driver snd_usb_driver = {
432	.name = MODNAME,
433	.probe = snd_probe,
434	.disconnect = snd_disconnect,
435	.id_table = snd_usb_id_table,
436	};
437
438	static int __init snd_module_init(void)
439	{
440	return usb_register(&snd_usb_driver);
441	}
442
443	static void __exit snd_module_exit(void)
444	{
445	usb_deregister(&snd_usb_driver);
446	}
447
448	module_init(snd_module_init)
449	module_exit(snd_module_exit)
450