[linux-2.6-block.git] / sound / drivers / opl3 / opl3_oss.c

/*
 *  Interface for OSS sequencer emulation
 *
 *  Copyright (C) 2000 Uros Bizjak <uros@kss-loka.si>
 *
 *   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 "opl3_voice.h"
#include <linux/slab.h>

static int snd_opl3_open_seq_oss(struct snd_seq_oss_arg *arg, void *closure);
static int snd_opl3_close_seq_oss(struct snd_seq_oss_arg *arg);
static int snd_opl3_ioctl_seq_oss(struct snd_seq_oss_arg *arg, unsigned int cmd, unsigned long ioarg);
static int snd_opl3_load_patch_seq_oss(struct snd_seq_oss_arg *arg, int format, const char __user *buf, int offs, int count);
static int snd_opl3_reset_seq_oss(struct snd_seq_oss_arg *arg);

/* */

static inline mm_segment_t snd_enter_user(void)
{
	mm_segment_t fs = get_fs();
	set_fs(get_ds());
	return fs;
}

static inline void snd_leave_user(mm_segment_t fs)
{
	set_fs(fs);
}

/* operators */

extern struct snd_midi_op opl3_ops;

static struct snd_seq_oss_callback oss_callback = {
	.owner = 	THIS_MODULE,
	.open =		snd_opl3_open_seq_oss,
	.close =	snd_opl3_close_seq_oss,
	.ioctl =	snd_opl3_ioctl_seq_oss,
	.load_patch =	snd_opl3_load_patch_seq_oss,
	.reset =	snd_opl3_reset_seq_oss,
};

static int snd_opl3_oss_event_input(struct snd_seq_event *ev, int direct,
				    void *private_data, int atomic, int hop)
{
	struct snd_opl3 *opl3 = private_data;

	if (ev->type != SNDRV_SEQ_EVENT_OSS)
		snd_midi_process_event(&opl3_ops, ev, opl3->oss_chset);
	return 0;
}

/* ------------------------------ */

static void snd_opl3_oss_free_port(void *private_data)
{
	struct snd_opl3 *opl3 = private_data;

	snd_midi_channel_free_set(opl3->oss_chset);
}

static int snd_opl3_oss_create_port(struct snd_opl3 * opl3)
{
	struct snd_seq_port_callback callbacks;
	char name[32];
	int voices, opl_ver;

	voices = (opl3->hardware < OPL3_HW_OPL3) ?
		MAX_OPL2_VOICES : MAX_OPL3_VOICES;
	opl3->oss_chset = snd_midi_channel_alloc_set(voices);
	if (opl3->oss_chset == NULL)
		return -ENOMEM;
	opl3->oss_chset->private_data = opl3;

	memset(&callbacks, 0, sizeof(callbacks));
	callbacks.owner = THIS_MODULE;
	callbacks.event_input = snd_opl3_oss_event_input;
	callbacks.private_free = snd_opl3_oss_free_port;
	callbacks.private_data = opl3;

	opl_ver = (opl3->hardware & OPL3_HW_MASK) >> 8;
	sprintf(name, "OPL%i OSS Port", opl_ver);

	opl3->oss_chset->client = opl3->seq_client;
	opl3->oss_chset->port = snd_seq_event_port_attach(opl3->seq_client, &callbacks,
							  SNDRV_SEQ_PORT_CAP_WRITE,
							  SNDRV_SEQ_PORT_TYPE_MIDI_GENERIC |
							  SNDRV_SEQ_PORT_TYPE_MIDI_GM |
							  SNDRV_SEQ_PORT_TYPE_HARDWARE |
							  SNDRV_SEQ_PORT_TYPE_SYNTHESIZER,
							  voices, voices,
							  name);
	if (opl3->oss_chset->port < 0) {
		int port;
		port = opl3->oss_chset->port;
		snd_midi_channel_free_set(opl3->oss_chset);
		return port;
	}
	return 0;
}

/* ------------------------------ */

/* register OSS synth */
void snd_opl3_init_seq_oss(struct snd_opl3 *opl3, char *name)
{
	struct snd_seq_oss_reg *arg;
	struct snd_seq_device *dev;

	if (snd_seq_device_new(opl3->card, 0, SNDRV_SEQ_DEV_ID_OSS,
			       sizeof(struct snd_seq_oss_reg), &dev) < 0)
		return;

	opl3->oss_seq_dev = dev;
	strlcpy(dev->name, name, sizeof(dev->name));
	arg = SNDRV_SEQ_DEVICE_ARGPTR(dev);
	arg->type = SYNTH_TYPE_FM;
	if (opl3->hardware < OPL3_HW_OPL3) {
		arg->subtype = FM_TYPE_ADLIB;
		arg->nvoices = MAX_OPL2_VOICES;
	} else {
		arg->subtype = FM_TYPE_OPL3;
		arg->nvoices = MAX_OPL3_VOICES;
	}
	arg->oper = oss_callback;
	arg->private_data = opl3;

	if (snd_opl3_oss_create_port(opl3)) {
		/* register to OSS synth table */
		snd_device_register(opl3->card, dev);
	}
}

/* unregister */
void snd_opl3_free_seq_oss(struct snd_opl3 *opl3)
{
	if (opl3->oss_seq_dev) {
		/* The instance should have been released in prior */
		opl3->oss_seq_dev = NULL;
	}
}

/* ------------------------------ */

/* open OSS sequencer */
static int snd_opl3_open_seq_oss(struct snd_seq_oss_arg *arg, void *closure)
{
	struct snd_opl3 *opl3 = closure;
	int err;

	snd_assert(arg != NULL, return -ENXIO);

	if ((err = snd_opl3_synth_setup(opl3)) < 0)
		return err;

	/* fill the argument data */
	arg->private_data = opl3;
	arg->addr.client = opl3->oss_chset->client;
	arg->addr.port = opl3->oss_chset->port;

	if ((err = snd_opl3_synth_use_inc(opl3)) < 0)
		return err;

	opl3->synth_mode = SNDRV_OPL3_MODE_SYNTH;
	return 0;
}

/* close OSS sequencer */
static int snd_opl3_close_seq_oss(struct snd_seq_oss_arg *arg)
{
	struct snd_opl3 *opl3;

	snd_assert(arg != NULL, return -ENXIO);
	opl3 = arg->private_data;

	snd_opl3_synth_cleanup(opl3);

	snd_opl3_synth_use_dec(opl3);
	return 0;
}

/* load patch */

/* offsets for SBI params */
#define AM_VIB		0
#define KSL_LEVEL	2
#define ATTACK_DECAY	4
#define SUSTAIN_RELEASE	6
#define WAVE_SELECT	8

/* offset for SBI instrument */
#define CONNECTION	10
#define OFFSET_4OP	11

/* from sound_config.h */
#define SBFM_MAXINSTR	256

static int snd_opl3_load_patch_seq_oss(struct snd_seq_oss_arg *arg, int format,
				       const char __user *buf, int offs, int count)
{
	struct snd_opl3 *opl3;
	int err = -EINVAL;

	snd_assert(arg != NULL, return -ENXIO);
	opl3 = arg->private_data;

	if ((format == FM_PATCH) || (format == OPL3_PATCH)) {
		struct sbi_instrument sbi;

		size_t size;
		struct snd_seq_instr_header *put;
		struct snd_seq_instr_data *data;
		struct fm_xinstrument *xinstr;

		struct snd_seq_event ev;
		int i;

		mm_segment_t fs;

		if (count < (int)sizeof(sbi)) {
			snd_printk("FM Error: Patch record too short\n");
			return -EINVAL;
		}
		if (copy_from_user(&sbi, buf, sizeof(sbi)))
			return -EFAULT;

		if (sbi.channel < 0 || sbi.channel >= SBFM_MAXINSTR) {
			snd_printk("FM Error: Invalid instrument number %d\n", sbi.channel);
			return -EINVAL;
		}

		size = sizeof(*put) + sizeof(struct fm_xinstrument);
		put = kzalloc(size, GFP_KERNEL);
		if (put == NULL)
			return -ENOMEM;
		/* build header */
		data = &put->data;
		data->type = SNDRV_SEQ_INSTR_ATYPE_DATA;
		strcpy(data->data.format, SNDRV_SEQ_INSTR_ID_OPL2_3);
		/* build data section */
		xinstr = (struct fm_xinstrument *)(data + 1);
		xinstr->stype = FM_STRU_INSTR;
        
		for (i = 0; i < 2; i++) {
			xinstr->op[i].am_vib = sbi.operators[AM_VIB + i];
			xinstr->op[i].ksl_level = sbi.operators[KSL_LEVEL + i];
			xinstr->op[i].attack_decay = sbi.operators[ATTACK_DECAY + i];
			xinstr->op[i].sustain_release = sbi.operators[SUSTAIN_RELEASE + i];
			xinstr->op[i].wave_select = sbi.operators[WAVE_SELECT + i];
		}
		xinstr->feedback_connection[0] = sbi.operators[CONNECTION];

		if (format == OPL3_PATCH) {
			xinstr->type = FM_PATCH_OPL3;
			for (i = 0; i < 2; i++) {
				xinstr->op[i+2].am_vib = sbi.operators[OFFSET_4OP + AM_VIB + i];
				xinstr->op[i+2].ksl_level = sbi.operators[OFFSET_4OP + KSL_LEVEL + i];
				xinstr->op[i+2].attack_decay = sbi.operators[OFFSET_4OP + ATTACK_DECAY + i];
				xinstr->op[i+2].sustain_release = sbi.operators[OFFSET_4OP + SUSTAIN_RELEASE + i];
				xinstr->op[i+2].wave_select = sbi.operators[OFFSET_4OP + WAVE_SELECT + i];
			}
			xinstr->feedback_connection[1] = sbi.operators[OFFSET_4OP + CONNECTION];
		} else {
			xinstr->type = FM_PATCH_OPL2;
		}

		put->id.instr.std = SNDRV_SEQ_INSTR_TYPE2_OPL2_3;
		put->id.instr.bank = 127;
		put->id.instr.prg = sbi.channel;
		put->cmd = SNDRV_SEQ_INSTR_PUT_CMD_CREATE;

		memset (&ev, 0, sizeof(ev));
		ev.source.client = SNDRV_SEQ_CLIENT_OSS;
		ev.dest = arg->addr; 

		ev.flags = SNDRV_SEQ_EVENT_LENGTH_VARUSR;
		ev.queue = SNDRV_SEQ_QUEUE_DIRECT;

		fs = snd_enter_user();
	__again:
		ev.type = SNDRV_SEQ_EVENT_INSTR_PUT;
		ev.data.ext.len = size;
		ev.data.ext.ptr = put;

		err = snd_seq_instr_event(&opl3->fm_ops, opl3->ilist, &ev,
				    opl3->seq_client, 0, 0);
		if (err == -EBUSY) {
			struct snd_seq_instr_header remove;

			memset (&remove, 0, sizeof(remove));
			remove.cmd = SNDRV_SEQ_INSTR_FREE_CMD_SINGLE;
			remove.id.instr = put->id.instr;

			/* remove instrument */
			ev.type = SNDRV_SEQ_EVENT_INSTR_FREE;
			ev.data.ext.len = sizeof(remove);
			ev.data.ext.ptr = &remove;

			snd_seq_instr_event(&opl3->fm_ops, opl3->ilist, &ev,
					    opl3->seq_client, 0, 0);
			goto __again;
		}
		snd_leave_user(fs);

		kfree(put);
	}
	return err;
}

/* ioctl */
static int snd_opl3_ioctl_seq_oss(struct snd_seq_oss_arg *arg, unsigned int cmd,
				  unsigned long ioarg)
{
	struct snd_opl3 *opl3;

	snd_assert(arg != NULL, return -ENXIO);
	opl3 = arg->private_data;
	switch (cmd) {
		case SNDCTL_FM_LOAD_INSTR:
			snd_printk("OPL3: Obsolete ioctl(SNDCTL_FM_LOAD_INSTR) used. Fix the program.\n");
			return -EINVAL;

		case SNDCTL_SYNTH_MEMAVL:
			return 0x7fffffff;

		case SNDCTL_FM_4OP_ENABLE:
			// handled automatically by OPL instrument type
			return 0;

		default:
			return -EINVAL;
	}
	return 0;
}

/* reset device */
static int snd_opl3_reset_seq_oss(struct snd_seq_oss_arg *arg)
{
	struct snd_opl3 *opl3;

	snd_assert(arg != NULL, return -ENXIO);
	opl3 = arg->private_data;

	return 0;
}
Commit	Line	Data
1da177e4 LT	1	/*
	2	* Interface for OSS sequencer emulation
	3	*
	4	* Copyright (C) 2000 Uros Bizjak <uros@kss-loka.si>
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	19	*/
	20
	21	#include "opl3_voice.h"
	22	#include <linux/slab.h>
	23
5b1646a8 TI	24	static int snd_opl3_open_seq_oss(struct snd_seq_oss_arg arg, void closure);
	25	static int snd_opl3_close_seq_oss(struct snd_seq_oss_arg *arg);
	26	static int snd_opl3_ioctl_seq_oss(struct snd_seq_oss_arg *arg, unsigned int cmd, unsigned long ioarg);
	27	static int snd_opl3_load_patch_seq_oss(struct snd_seq_oss_arg arg, int format, const char __user buf, int offs, int count);
	28	static int snd_opl3_reset_seq_oss(struct snd_seq_oss_arg *arg);
1da177e4 LT	29
	30	/* */
	31
	32	static inline mm_segment_t snd_enter_user(void)
	33	{
	34	mm_segment_t fs = get_fs();
	35	set_fs(get_ds());
	36	return fs;
	37	}
	38
	39	static inline void snd_leave_user(mm_segment_t fs)
	40	{
	41	set_fs(fs);
	42	}
	43
	44	/* operators */
	45
5b1646a8	46	extern struct snd_midi_op opl3_ops;
1da177e4	47
5b1646a8	48	static struct snd_seq_oss_callback oss_callback = {
1da177e4 LT	49	.owner = THIS_MODULE,
	50	.open = snd_opl3_open_seq_oss,
	51	.close = snd_opl3_close_seq_oss,
	52	.ioctl = snd_opl3_ioctl_seq_oss,
	53	.load_patch = snd_opl3_load_patch_seq_oss,
	54	.reset = snd_opl3_reset_seq_oss,
	55	};
	56
5b1646a8	57	static int snd_opl3_oss_event_input(struct snd_seq_event *ev, int direct,
1da177e4 LT	58	void *private_data, int atomic, int hop)
1da177e4 LT	59	{
5b1646a8	60	struct snd_opl3 *opl3 = private_data;
1da177e4 LT	61
	62	if (ev->type != SNDRV_SEQ_EVENT_OSS)
	63	snd_midi_process_event(&opl3_ops, ev, opl3->oss_chset);
	64	return 0;
	65	}
	66
	67	/* ------------------------------ */
	68
	69	static void snd_opl3_oss_free_port(void *private_data)
	70	{
5b1646a8	71	struct snd_opl3 *opl3 = private_data;
1da177e4 LT	72
	73	snd_midi_channel_free_set(opl3->oss_chset);
	74	}
	75
5b1646a8	76	static int snd_opl3_oss_create_port(struct snd_opl3 * opl3)
1da177e4	77	{
5b1646a8	78	struct snd_seq_port_callback callbacks;
1da177e4 LT	79	char name[32];
	80	int voices, opl_ver;
	81
	82	voices = (opl3->hardware < OPL3_HW_OPL3) ?
	83	MAX_OPL2_VOICES : MAX_OPL3_VOICES;
	84	opl3->oss_chset = snd_midi_channel_alloc_set(voices);
	85	if (opl3->oss_chset == NULL)
	86	return -ENOMEM;
	87	opl3->oss_chset->private_data = opl3;
	88
	89	memset(&callbacks, 0, sizeof(callbacks));
	90	callbacks.owner = THIS_MODULE;
	91	callbacks.event_input = snd_opl3_oss_event_input;
	92	callbacks.private_free = snd_opl3_oss_free_port;
	93	callbacks.private_data = opl3;
	94
	95	opl_ver = (opl3->hardware & OPL3_HW_MASK) >> 8;
	96	sprintf(name, "OPL%i OSS Port", opl_ver);
	97
	98	opl3->oss_chset->client = opl3->seq_client;
	99	opl3->oss_chset->port = snd_seq_event_port_attach(opl3->seq_client, &callbacks,
	100	SNDRV_SEQ_PORT_CAP_WRITE,
	101	SNDRV_SEQ_PORT_TYPE_MIDI_GENERIC \|
450047a7 CL	102	SNDRV_SEQ_PORT_TYPE_MIDI_GM \|
	103	SNDRV_SEQ_PORT_TYPE_HARDWARE \|
	104	SNDRV_SEQ_PORT_TYPE_SYNTHESIZER,
1da177e4 LT	105	voices, voices,
	106	name);
	107	if (opl3->oss_chset->port < 0) {
5e315e92 DJ	108	int port;
5e315e92 DJ	109	port = opl3->oss_chset->port;
1da177e4	110	snd_midi_channel_free_set(opl3->oss_chset);
5e315e92	111	return port;
1da177e4 LT	112	}
	113	return 0;
	114	}
	115
	116	/* ------------------------------ */
	117
	118	/* register OSS synth */
5b1646a8	119	void snd_opl3_init_seq_oss(struct snd_opl3 opl3, char name)
1da177e4	120	{
5b1646a8 TI	121	struct snd_seq_oss_reg *arg;
5b1646a8 TI	122	struct snd_seq_device *dev;
1da177e4 LT	123
1da177e4 LT	124	if (snd_seq_device_new(opl3->card, 0, SNDRV_SEQ_DEV_ID_OSS,
5b1646a8	125	sizeof(struct snd_seq_oss_reg), &dev) < 0)
1da177e4 LT	126	return;
	127
	128	opl3->oss_seq_dev = dev;
	129	strlcpy(dev->name, name, sizeof(dev->name));
	130	arg = SNDRV_SEQ_DEVICE_ARGPTR(dev);
	131	arg->type = SYNTH_TYPE_FM;
	132	if (opl3->hardware < OPL3_HW_OPL3) {
	133	arg->subtype = FM_TYPE_ADLIB;
	134	arg->nvoices = MAX_OPL2_VOICES;
	135	} else {
	136	arg->subtype = FM_TYPE_OPL3;
	137	arg->nvoices = MAX_OPL3_VOICES;
	138	}
	139	arg->oper = oss_callback;
	140	arg->private_data = opl3;
	141
5e315e92 DJ	142	if (snd_opl3_oss_create_port(opl3)) {
	143	/* register to OSS synth table */
	144	snd_device_register(opl3->card, dev);
	145	}
1da177e4 LT	146	}
	147
	148	/* unregister */
5b1646a8	149	void snd_opl3_free_seq_oss(struct snd_opl3 *opl3)
1da177e4 LT	150	{
1da177e4 LT	151	if (opl3->oss_seq_dev) {
b1a3aa20	152	/* The instance should have been released in prior */
1da177e4 LT	153	opl3->oss_seq_dev = NULL;
	154	}
	155	}
	156
	157	/* ------------------------------ */
	158
	159	/* open OSS sequencer */
5b1646a8	160	static int snd_opl3_open_seq_oss(struct snd_seq_oss_arg arg, void closure)
1da177e4	161	{
5b1646a8	162	struct snd_opl3 *opl3 = closure;
1da177e4 LT	163	int err;
	164
	165	snd_assert(arg != NULL, return -ENXIO);
	166
	167	if ((err = snd_opl3_synth_setup(opl3)) < 0)
	168	return err;
	169
	170	/* fill the argument data */
	171	arg->private_data = opl3;
	172	arg->addr.client = opl3->oss_chset->client;
	173	arg->addr.port = opl3->oss_chset->port;
	174
	175	if ((err = snd_opl3_synth_use_inc(opl3)) < 0)
	176	return err;
	177
	178	opl3->synth_mode = SNDRV_OPL3_MODE_SYNTH;
	179	return 0;
	180	}
	181
	182	/* close OSS sequencer */
5b1646a8	183	static int snd_opl3_close_seq_oss(struct snd_seq_oss_arg *arg)
1da177e4	184	{
5b1646a8	185	struct snd_opl3 *opl3;
1da177e4 LT	186
	187	snd_assert(arg != NULL, return -ENXIO);
	188	opl3 = arg->private_data;
	189
	190	snd_opl3_synth_cleanup(opl3);
	191
	192	snd_opl3_synth_use_dec(opl3);
	193	return 0;
	194	}
	195
	196	/* load patch */
	197
	198	/* offsets for SBI params */
	199	#define AM_VIB 0
	200	#define KSL_LEVEL 2
	201	#define ATTACK_DECAY 4
	202	#define SUSTAIN_RELEASE 6
	203	#define WAVE_SELECT 8
	204
	205	/* offset for SBI instrument */
	206	#define CONNECTION 10
	207	#define OFFSET_4OP 11
	208
	209	/* from sound_config.h */
	210	#define SBFM_MAXINSTR 256
	211
5b1646a8	212	static int snd_opl3_load_patch_seq_oss(struct snd_seq_oss_arg *arg, int format,
1da177e4 LT	213	const char __user *buf, int offs, int count)
1da177e4 LT	214	{
5b1646a8	215	struct snd_opl3 *opl3;
1da177e4 LT	216	int err = -EINVAL;
	217
	218	snd_assert(arg != NULL, return -ENXIO);
	219	opl3 = arg->private_data;
	220
	221	if ((format == FM_PATCH) \|\| (format == OPL3_PATCH)) {
	222	struct sbi_instrument sbi;
	223
	224	size_t size;
5b1646a8 TI	225	struct snd_seq_instr_header *put;
	226	struct snd_seq_instr_data *data;
	227	struct fm_xinstrument *xinstr;
1da177e4	228
5b1646a8	229	struct snd_seq_event ev;
1da177e4 LT	230	int i;
	231
	232	mm_segment_t fs;
	233
	234	if (count < (int)sizeof(sbi)) {
	235	snd_printk("FM Error: Patch record too short\n");
	236	return -EINVAL;
	237	}
	238	if (copy_from_user(&sbi, buf, sizeof(sbi)))
	239	return -EFAULT;
	240
	241	if (sbi.channel < 0 \|\| sbi.channel >= SBFM_MAXINSTR) {
	242	snd_printk("FM Error: Invalid instrument number %d\n", sbi.channel);
	243	return -EINVAL;
	244	}
	245
5b1646a8	246	size = sizeof(*put) + sizeof(struct fm_xinstrument);
561b220a	247	put = kzalloc(size, GFP_KERNEL);
1da177e4 LT	248	if (put == NULL)
	249	return -ENOMEM;
	250	/* build header */
	251	data = &put->data;
	252	data->type = SNDRV_SEQ_INSTR_ATYPE_DATA;
	253	strcpy(data->data.format, SNDRV_SEQ_INSTR_ID_OPL2_3);
	254	/* build data section */
5b1646a8	255	xinstr = (struct fm_xinstrument *)(data + 1);
1da177e4 LT	256	xinstr->stype = FM_STRU_INSTR;
	257
	258	for (i = 0; i < 2; i++) {
	259	xinstr->op[i].am_vib = sbi.operators[AM_VIB + i];
	260	xinstr->op[i].ksl_level = sbi.operators[KSL_LEVEL + i];
	261	xinstr->op[i].attack_decay = sbi.operators[ATTACK_DECAY + i];
	262	xinstr->op[i].sustain_release = sbi.operators[SUSTAIN_RELEASE + i];
	263	xinstr->op[i].wave_select = sbi.operators[WAVE_SELECT + i];
	264	}
	265	xinstr->feedback_connection[0] = sbi.operators[CONNECTION];
	266
	267	if (format == OPL3_PATCH) {
	268	xinstr->type = FM_PATCH_OPL3;
	269	for (i = 0; i < 2; i++) {
	270	xinstr->op[i+2].am_vib = sbi.operators[OFFSET_4OP + AM_VIB + i];
	271	xinstr->op[i+2].ksl_level = sbi.operators[OFFSET_4OP + KSL_LEVEL + i];
	272	xinstr->op[i+2].attack_decay = sbi.operators[OFFSET_4OP + ATTACK_DECAY + i];
	273	xinstr->op[i+2].sustain_release = sbi.operators[OFFSET_4OP + SUSTAIN_RELEASE + i];
	274	xinstr->op[i+2].wave_select = sbi.operators[OFFSET_4OP + WAVE_SELECT + i];
	275	}
	276	xinstr->feedback_connection[1] = sbi.operators[OFFSET_4OP + CONNECTION];
	277	} else {
	278	xinstr->type = FM_PATCH_OPL2;
	279	}
	280
	281	put->id.instr.std = SNDRV_SEQ_INSTR_TYPE2_OPL2_3;
	282	put->id.instr.bank = 127;
	283	put->id.instr.prg = sbi.channel;
	284	put->cmd = SNDRV_SEQ_INSTR_PUT_CMD_CREATE;
	285
	286	memset (&ev, 0, sizeof(ev));
	287	ev.source.client = SNDRV_SEQ_CLIENT_OSS;
	288	ev.dest = arg->addr;
	289
	290	ev.flags = SNDRV_SEQ_EVENT_LENGTH_VARUSR;
	291	ev.queue = SNDRV_SEQ_QUEUE_DIRECT;
	292
	293	fs = snd_enter_user();
	294	__again:
	295	ev.type = SNDRV_SEQ_EVENT_INSTR_PUT;
	296	ev.data.ext.len = size;
	297	ev.data.ext.ptr = put;
	298
	299	err = snd_seq_instr_event(&opl3->fm_ops, opl3->ilist, &ev,
	300	opl3->seq_client, 0, 0);
	301	if (err == -EBUSY) {
5b1646a8	302	struct snd_seq_instr_header remove;
1da177e4 LT	303
	304	memset (&remove, 0, sizeof(remove));
	305	remove.cmd = SNDRV_SEQ_INSTR_FREE_CMD_SINGLE;
	306	remove.id.instr = put->id.instr;
	307
	308	/* remove instrument */
	309	ev.type = SNDRV_SEQ_EVENT_INSTR_FREE;
	310	ev.data.ext.len = sizeof(remove);
	311	ev.data.ext.ptr = &remove;
	312
	313	snd_seq_instr_event(&opl3->fm_ops, opl3->ilist, &ev,
	314	opl3->seq_client, 0, 0);
	315	goto __again;
	316	}
	317	snd_leave_user(fs);
	318
	319	kfree(put);
	320	}
	321	return err;
	322	}
	323
	324	/* ioctl */
5b1646a8	325	static int snd_opl3_ioctl_seq_oss(struct snd_seq_oss_arg *arg, unsigned int cmd,
1da177e4 LT	326	unsigned long ioarg)
1da177e4 LT	327	{
5b1646a8	328	struct snd_opl3 *opl3;
1da177e4 LT	329
	330	snd_assert(arg != NULL, return -ENXIO);
	331	opl3 = arg->private_data;
	332	switch (cmd) {
	333	case SNDCTL_FM_LOAD_INSTR:
	334	snd_printk("OPL3: Obsolete ioctl(SNDCTL_FM_LOAD_INSTR) used. Fix the program.\n");
	335	return -EINVAL;
	336
	337	case SNDCTL_SYNTH_MEMAVL:
	338	return 0x7fffffff;
	339
	340	case SNDCTL_FM_4OP_ENABLE:
	341	// handled automatically by OPL instrument type
	342	return 0;
	343
	344	default:
	345	return -EINVAL;
	346	}
	347	return 0;
	348	}
	349
	350	/* reset device */
5b1646a8	351	static int snd_opl3_reset_seq_oss(struct snd_seq_oss_arg *arg)
1da177e4	352	{
5b1646a8	353	struct snd_opl3 *opl3;
1da177e4 LT	354
	355	snd_assert(arg != NULL, return -ENXIO);
	356	opl3 = arg->private_data;
	357
	358	return 0;
	359	}