[net-next-2.6.git] / sound / core / seq / instr / ainstr_gf1.c

/*
 *   GF1 (GUS) Patch - Instrument routines
 *   Copyright (c) 1999 by Jaroslav Kysela <perex@suse.cz>
 *
 *   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 <sound/driver.h>
#include <linux/init.h>
#include <linux/sched.h>
#include <linux/slab.h>
#include <sound/core.h>
#include <sound/ainstr_gf1.h>
#include <sound/initval.h>
#include <asm/uaccess.h>

MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
MODULE_DESCRIPTION("Advanced Linux Sound Architecture GF1 (GUS) Patch support.");
MODULE_LICENSE("GPL");

static unsigned int snd_seq_gf1_size(unsigned int size, unsigned int format)
{
	unsigned int result = size;
	
	if (format & GF1_WAVE_16BIT)
		result <<= 1;
	if (format & GF1_WAVE_STEREO)
		result <<= 1;
	return format;
}

static int snd_seq_gf1_copy_wave_from_stream(snd_gf1_ops_t *ops,
					     gf1_instrument_t *ip,
					     char __user **data,
					     long *len,
					     int atomic)
{
	gf1_wave_t *wp, *prev;
	gf1_xwave_t xp;
	int err;
	gfp_t gfp_mask;
	unsigned int real_size;
	
	gfp_mask = atomic ? GFP_ATOMIC : GFP_KERNEL;
	if (*len < (long)sizeof(xp))
		return -EINVAL;
	if (copy_from_user(&xp, *data, sizeof(xp)))
		return -EFAULT;
	*data += sizeof(xp);
	*len -= sizeof(xp);
	wp = kzalloc(sizeof(*wp), gfp_mask);
	if (wp == NULL)
		return -ENOMEM;
	wp->share_id[0] = le32_to_cpu(xp.share_id[0]);
	wp->share_id[1] = le32_to_cpu(xp.share_id[1]);
	wp->share_id[2] = le32_to_cpu(xp.share_id[2]);
	wp->share_id[3] = le32_to_cpu(xp.share_id[3]);
	wp->format = le32_to_cpu(xp.format);
	wp->size = le32_to_cpu(xp.size);
	wp->start = le32_to_cpu(xp.start);
	wp->loop_start = le32_to_cpu(xp.loop_start);
	wp->loop_end = le32_to_cpu(xp.loop_end);
	wp->loop_repeat = le16_to_cpu(xp.loop_repeat);
	wp->flags = xp.flags;
	wp->sample_rate = le32_to_cpu(xp.sample_rate);
	wp->low_frequency = le32_to_cpu(xp.low_frequency);
	wp->high_frequency = le32_to_cpu(xp.high_frequency);
	wp->root_frequency = le32_to_cpu(xp.root_frequency);
	wp->tune = le16_to_cpu(xp.tune);
	wp->balance = xp.balance;
	memcpy(wp->envelope_rate, xp.envelope_rate, 6);
	memcpy(wp->envelope_offset, xp.envelope_offset, 6);
	wp->tremolo_sweep = xp.tremolo_sweep;
	wp->tremolo_rate = xp.tremolo_rate;
	wp->tremolo_depth = xp.tremolo_depth;
	wp->vibrato_sweep = xp.vibrato_sweep;
	wp->vibrato_rate = xp.vibrato_rate;
	wp->vibrato_depth = xp.vibrato_depth;
	wp->scale_frequency = le16_to_cpu(xp.scale_frequency);
	wp->scale_factor = le16_to_cpu(xp.scale_factor);
	real_size = snd_seq_gf1_size(wp->size, wp->format);
	if ((long)real_size > *len) {
		kfree(wp);
		return -ENOMEM;
	}
	if (ops->put_sample) {
		err = ops->put_sample(ops->private_data, wp,
				      *data, real_size, atomic);
		if (err < 0) {
			kfree(wp);
			return err;
		}
	}
	*data += real_size;
	*len -= real_size;
	prev = ip->wave;
	if (prev) {
		while (prev->next) prev = prev->next;
		prev->next = wp;
	} else {
		ip->wave = wp;
	}
	return 0;
}

static void snd_seq_gf1_wave_free(snd_gf1_ops_t *ops,
				  gf1_wave_t *wave,
				  int atomic)
{
	if (ops->remove_sample)
		ops->remove_sample(ops->private_data, wave, atomic);
	kfree(wave);
}

static void snd_seq_gf1_instr_free(snd_gf1_ops_t *ops,
				   gf1_instrument_t *ip,
				   int atomic)
{
	gf1_wave_t *wave;
	
	while ((wave = ip->wave) != NULL) {
		ip->wave = wave->next;
		snd_seq_gf1_wave_free(ops, wave, atomic);
	}
}

static int snd_seq_gf1_put(void *private_data, snd_seq_kinstr_t *instr,
			   char __user *instr_data, long len, int atomic,
			   int cmd)
{
	snd_gf1_ops_t *ops = (snd_gf1_ops_t *)private_data;
	gf1_instrument_t *ip;
	gf1_xinstrument_t ix;
	int err;
	gfp_t gfp_mask;

	if (cmd != SNDRV_SEQ_INSTR_PUT_CMD_CREATE)
		return -EINVAL;
	gfp_mask = atomic ? GFP_ATOMIC : GFP_KERNEL;
	/* copy instrument data */
	if (len < (long)sizeof(ix))
		return -EINVAL;
	if (copy_from_user(&ix, instr_data, sizeof(ix)))
		return -EFAULT;
	if (ix.stype != GF1_STRU_INSTR)
		return -EINVAL;
	instr_data += sizeof(ix);
	len -= sizeof(ix);
	ip = (gf1_instrument_t *)KINSTR_DATA(instr);
	ip->exclusion = le16_to_cpu(ix.exclusion);
	ip->exclusion_group = le16_to_cpu(ix.exclusion_group);
	ip->effect1 = ix.effect1;
	ip->effect1_depth = ix.effect1_depth;
	ip->effect2 = ix.effect2;
	ip->effect2_depth = ix.effect2_depth;
	/* copy layers */
	while (len > (long)sizeof(__u32)) {
		__u32 stype;

		if (copy_from_user(&stype, instr_data, sizeof(stype)))
			return -EFAULT;
		if (stype != GF1_STRU_WAVE) {
			snd_seq_gf1_instr_free(ops, ip, atomic);
			return -EINVAL;
		}
		err = snd_seq_gf1_copy_wave_from_stream(ops,
							ip,
							&instr_data,
							&len,
							atomic);
		if (err < 0) {
			snd_seq_gf1_instr_free(ops, ip, atomic);
			return err;
		}
	}
	return 0;
}

static int snd_seq_gf1_copy_wave_to_stream(snd_gf1_ops_t *ops,
					   gf1_instrument_t *ip,
					   char __user **data,
					   long *len,
					   int atomic)
{
	gf1_wave_t *wp;
	gf1_xwave_t xp;
	int err;
	unsigned int real_size;
	
	for (wp = ip->wave; wp; wp = wp->next) {
		if (*len < (long)sizeof(xp))
			return -ENOMEM;
		memset(&xp, 0, sizeof(xp));
		xp.stype = GF1_STRU_WAVE;
		xp.share_id[0] = cpu_to_le32(wp->share_id[0]);
		xp.share_id[1] = cpu_to_le32(wp->share_id[1]);
		xp.share_id[2] = cpu_to_le32(wp->share_id[2]);
		xp.share_id[3] = cpu_to_le32(wp->share_id[3]);
		xp.format = cpu_to_le32(wp->format);
		xp.size = cpu_to_le32(wp->size);
		xp.start = cpu_to_le32(wp->start);
		xp.loop_start = cpu_to_le32(wp->loop_start);
		xp.loop_end = cpu_to_le32(wp->loop_end);
		xp.loop_repeat = cpu_to_le32(wp->loop_repeat);
		xp.flags = wp->flags;
		xp.sample_rate = cpu_to_le32(wp->sample_rate);
		xp.low_frequency = cpu_to_le32(wp->low_frequency);
		xp.high_frequency = cpu_to_le32(wp->high_frequency);
		xp.root_frequency = cpu_to_le32(wp->root_frequency);
		xp.tune = cpu_to_le16(wp->tune);
		xp.balance = wp->balance;
		memcpy(xp.envelope_rate, wp->envelope_rate, 6);
		memcpy(xp.envelope_offset, wp->envelope_offset, 6);
		xp.tremolo_sweep = wp->tremolo_sweep;
		xp.tremolo_rate = wp->tremolo_rate;
		xp.tremolo_depth = wp->tremolo_depth;
		xp.vibrato_sweep = wp->vibrato_sweep;
		xp.vibrato_rate = wp->vibrato_rate;
		xp.vibrato_depth = wp->vibrato_depth;
		xp.scale_frequency = cpu_to_le16(wp->scale_frequency);
		xp.scale_factor = cpu_to_le16(wp->scale_factor);
		if (copy_to_user(*data, &xp, sizeof(xp)))
			return -EFAULT;
		*data += sizeof(xp);
		*len -= sizeof(xp);
		real_size = snd_seq_gf1_size(wp->size, wp->format);
		if (*len < (long)real_size)
			return -ENOMEM;
		if (ops->get_sample) {
			err = ops->get_sample(ops->private_data, wp,
					      *data, real_size, atomic);
			if (err < 0)
				return err;
		}
		*data += wp->size;
		*len -= wp->size;
	}
	return 0;
}

static int snd_seq_gf1_get(void *private_data, snd_seq_kinstr_t *instr,
			   char __user *instr_data, long len, int atomic,
			   int cmd)
{
	snd_gf1_ops_t *ops = (snd_gf1_ops_t *)private_data;
	gf1_instrument_t *ip;
	gf1_xinstrument_t ix;
	
	if (cmd != SNDRV_SEQ_INSTR_GET_CMD_FULL)
		return -EINVAL;
	if (len < (long)sizeof(ix))
		return -ENOMEM;
	memset(&ix, 0, sizeof(ix));
	ip = (gf1_instrument_t *)KINSTR_DATA(instr);
	ix.stype = GF1_STRU_INSTR;
	ix.exclusion = cpu_to_le16(ip->exclusion);
	ix.exclusion_group = cpu_to_le16(ip->exclusion_group);
	ix.effect1 = cpu_to_le16(ip->effect1);
	ix.effect1_depth = cpu_to_le16(ip->effect1_depth);
	ix.effect2 = ip->effect2;
	ix.effect2_depth = ip->effect2_depth;
	if (copy_to_user(instr_data, &ix, sizeof(ix)))
		return -EFAULT;
	instr_data += sizeof(ix);
	len -= sizeof(ix);
	return snd_seq_gf1_copy_wave_to_stream(ops,
					       ip,
					       &instr_data,
					       &len,
					       atomic);
}

static int snd_seq_gf1_get_size(void *private_data, snd_seq_kinstr_t *instr,
				long *size)
{
	long result;
	gf1_instrument_t *ip;
	gf1_wave_t *wp;

	*size = 0;
	ip = (gf1_instrument_t *)KINSTR_DATA(instr);
	result = sizeof(gf1_xinstrument_t);
	for (wp = ip->wave; wp; wp = wp->next) {
		result += sizeof(gf1_xwave_t);
		result += wp->size;
	}
	*size = result;
	return 0;
}

static int snd_seq_gf1_remove(void *private_data,
			      snd_seq_kinstr_t *instr,
                              int atomic)
{
	snd_gf1_ops_t *ops = (snd_gf1_ops_t *)private_data;
	gf1_instrument_t *ip;

	ip = (gf1_instrument_t *)KINSTR_DATA(instr);
	snd_seq_gf1_instr_free(ops, ip, atomic);
	return 0;
}

static void snd_seq_gf1_notify(void *private_data,
			       snd_seq_kinstr_t *instr,
			       int what)
{
	snd_gf1_ops_t *ops = (snd_gf1_ops_t *)private_data;

	if (ops->notify)
		ops->notify(ops->private_data, instr, what);
}

int snd_seq_gf1_init(snd_gf1_ops_t *ops,
		     void *private_data,
		     snd_seq_kinstr_ops_t *next)
{
	memset(ops, 0, sizeof(*ops));
	ops->private_data = private_data;
	ops->kops.private_data = ops;
	ops->kops.add_len = sizeof(gf1_instrument_t);
	ops->kops.instr_type = SNDRV_SEQ_INSTR_ID_GUS_PATCH;
	ops->kops.put = snd_seq_gf1_put;
	ops->kops.get = snd_seq_gf1_get;
	ops->kops.get_size = snd_seq_gf1_get_size;
	ops->kops.remove = snd_seq_gf1_remove;
	ops->kops.notify = snd_seq_gf1_notify;
	ops->kops.next = next;
	return 0;
}

/*
 *  Init part
 */

static int __init alsa_ainstr_gf1_init(void)
{
	return 0;
}

static void __exit alsa_ainstr_gf1_exit(void)
{
}

module_init(alsa_ainstr_gf1_init)
module_exit(alsa_ainstr_gf1_exit)

EXPORT_SYMBOL(snd_seq_gf1_init);
Commit	Line	Data
1da177e4 LT	1	/*
	2	* GF1 (GUS) Patch - Instrument routines
	3	* Copyright (c) 1999 by Jaroslav Kysela <perex@suse.cz>
	4	*
	5	* This program is free software; you can redistribute it and/or modify
	6	* it under the terms of the GNU General Public License as published by
	7	* the Free Software Foundation; either version 2 of the License, or
	8	* (at your option) any later version.
	9	*
	10	* This program is distributed in the hope that it will be useful,
	11	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	13	* GNU General Public License for more details.
	14	*
	15	* You should have received a copy of the GNU General Public License
	16	* along with this program; if not, write to the Free Software
	17	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	18	*
	19	*/
	20
	21	#include <sound/driver.h>
	22	#include <linux/init.h>
	23	#include <linux/sched.h>
	24	#include <linux/slab.h>
	25	#include <sound/core.h>
	26	#include <sound/ainstr_gf1.h>
	27	#include <sound/initval.h>
	28	#include <asm/uaccess.h>
	29
	30	MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
	31	MODULE_DESCRIPTION("Advanced Linux Sound Architecture GF1 (GUS) Patch support.");
	32	MODULE_LICENSE("GPL");
	33
	34	static unsigned int snd_seq_gf1_size(unsigned int size, unsigned int format)
	35	{
	36	unsigned int result = size;
	37
	38	if (format & GF1_WAVE_16BIT)
	39	result <<= 1;
	40	if (format & GF1_WAVE_STEREO)
	41	result <<= 1;
	42	return format;
	43	}
	44
	45	static int snd_seq_gf1_copy_wave_from_stream(snd_gf1_ops_t *ops,
	46	gf1_instrument_t *ip,
	47	char __user **data,
	48	long *len,
	49	int atomic)
	50	{
	51	gf1_wave_t wp, prev;
	52	gf1_xwave_t xp;
5a0f217d	53	int err;
1ef64e67	54	gfp_t gfp_mask;
1da177e4 LT	55	unsigned int real_size;
	56
	57	gfp_mask = atomic ? GFP_ATOMIC : GFP_KERNEL;
	58	if (*len < (long)sizeof(xp))
	59	return -EINVAL;
	60	if (copy_from_user(&xp, *data, sizeof(xp)))
	61	return -EFAULT;
	62	*data += sizeof(xp);
	63	*len -= sizeof(xp);
ecca82b4	64	wp = kzalloc(sizeof(*wp), gfp_mask);
1da177e4 LT	65	if (wp == NULL)
	66	return -ENOMEM;
	67	wp->share_id[0] = le32_to_cpu(xp.share_id[0]);
	68	wp->share_id[1] = le32_to_cpu(xp.share_id[1]);
	69	wp->share_id[2] = le32_to_cpu(xp.share_id[2]);
	70	wp->share_id[3] = le32_to_cpu(xp.share_id[3]);
	71	wp->format = le32_to_cpu(xp.format);
	72	wp->size = le32_to_cpu(xp.size);
	73	wp->start = le32_to_cpu(xp.start);
	74	wp->loop_start = le32_to_cpu(xp.loop_start);
	75	wp->loop_end = le32_to_cpu(xp.loop_end);
	76	wp->loop_repeat = le16_to_cpu(xp.loop_repeat);
	77	wp->flags = xp.flags;
	78	wp->sample_rate = le32_to_cpu(xp.sample_rate);
	79	wp->low_frequency = le32_to_cpu(xp.low_frequency);
	80	wp->high_frequency = le32_to_cpu(xp.high_frequency);
	81	wp->root_frequency = le32_to_cpu(xp.root_frequency);
	82	wp->tune = le16_to_cpu(xp.tune);
	83	wp->balance = xp.balance;
	84	memcpy(wp->envelope_rate, xp.envelope_rate, 6);
	85	memcpy(wp->envelope_offset, xp.envelope_offset, 6);
	86	wp->tremolo_sweep = xp.tremolo_sweep;
	87	wp->tremolo_rate = xp.tremolo_rate;
	88	wp->tremolo_depth = xp.tremolo_depth;
	89	wp->vibrato_sweep = xp.vibrato_sweep;
	90	wp->vibrato_rate = xp.vibrato_rate;
	91	wp->vibrato_depth = xp.vibrato_depth;
	92	wp->scale_frequency = le16_to_cpu(xp.scale_frequency);
	93	wp->scale_factor = le16_to_cpu(xp.scale_factor);
	94	real_size = snd_seq_gf1_size(wp->size, wp->format);
	95	if ((long)real_size > *len) {
	96	kfree(wp);
	97	return -ENOMEM;
	98	}
	99	if (ops->put_sample) {
	100	err = ops->put_sample(ops->private_data, wp,
	101	*data, real_size, atomic);
	102	if (err < 0) {
	103	kfree(wp);
	104	return err;
	105	}
	106	}
	107	*data += real_size;
	108	*len -= real_size;
	109	prev = ip->wave;
	110	if (prev) {
	111	while (prev->next) prev = prev->next;
	112	prev->next = wp;
	113	} else {
	114	ip->wave = wp;
	115	}
	116	return 0;
	117	}
	118
	119	static void snd_seq_gf1_wave_free(snd_gf1_ops_t *ops,
	120	gf1_wave_t *wave,
	121	int atomic)
	122	{
	123	if (ops->remove_sample)
	124	ops->remove_sample(ops->private_data, wave, atomic);
	125	kfree(wave);
	126	}
	127
	128	static void snd_seq_gf1_instr_free(snd_gf1_ops_t *ops,
129	gf1_instrument_t *ip,
130	int atomic)
131	{
132	gf1_wave_t *wave;
133
134	while ((wave = ip->wave) != NULL) {
135	ip->wave = wave->next;
136	snd_seq_gf1_wave_free(ops, wave, atomic);
137	}
138	}
139
140	static int snd_seq_gf1_put(void private_data, snd_seq_kinstr_t instr,
141	char __user *instr_data, long len, int atomic,
142	int cmd)
143	{
144	snd_gf1_ops_t ops = (snd_gf1_ops_t )private_data;
145	gf1_instrument_t *ip;
146	gf1_xinstrument_t ix;
1ef64e67 AV	147	int err;
1ef64e67 AV	148	gfp_t gfp_mask;
1da177e4 LT	149
	150	if (cmd != SNDRV_SEQ_INSTR_PUT_CMD_CREATE)
	151	return -EINVAL;
	152	gfp_mask = atomic ? GFP_ATOMIC : GFP_KERNEL;
	153	/* copy instrument data */
	154	if (len < (long)sizeof(ix))
	155	return -EINVAL;
	156	if (copy_from_user(&ix, instr_data, sizeof(ix)))
	157	return -EFAULT;
	158	if (ix.stype != GF1_STRU_INSTR)
	159	return -EINVAL;
	160	instr_data += sizeof(ix);
	161	len -= sizeof(ix);
	162	ip = (gf1_instrument_t *)KINSTR_DATA(instr);
	163	ip->exclusion = le16_to_cpu(ix.exclusion);
	164	ip->exclusion_group = le16_to_cpu(ix.exclusion_group);
	165	ip->effect1 = ix.effect1;
	166	ip->effect1_depth = ix.effect1_depth;
	167	ip->effect2 = ix.effect2;
	168	ip->effect2_depth = ix.effect2_depth;
	169	/* copy layers */
	170	while (len > (long)sizeof(__u32)) {
	171	__u32 stype;
	172
	173	if (copy_from_user(&stype, instr_data, sizeof(stype)))
	174	return -EFAULT;
	175	if (stype != GF1_STRU_WAVE) {
	176	snd_seq_gf1_instr_free(ops, ip, atomic);
	177	return -EINVAL;
	178	}
	179	err = snd_seq_gf1_copy_wave_from_stream(ops,
	180	ip,
	181	&instr_data,
	182	&len,
	183	atomic);
	184	if (err < 0) {
	185	snd_seq_gf1_instr_free(ops, ip, atomic);
	186	return err;
	187	}
	188	}
	189	return 0;
	190	}
	191
	192	static int snd_seq_gf1_copy_wave_to_stream(snd_gf1_ops_t *ops,
	193	gf1_instrument_t *ip,
	194	char __user **data,
	195	long *len,
	196	int atomic)
	197	{
	198	gf1_wave_t *wp;
	199	gf1_xwave_t xp;
	200	int err;
	201	unsigned int real_size;
	202
	203	for (wp = ip->wave; wp; wp = wp->next) {
	204	if (*len < (long)sizeof(xp))
	205	return -ENOMEM;
	206	memset(&xp, 0, sizeof(xp));
	207	xp.stype = GF1_STRU_WAVE;
	208	xp.share_id[0] = cpu_to_le32(wp->share_id[0]);
	209	xp.share_id[1] = cpu_to_le32(wp->share_id[1]);
	210	xp.share_id[2] = cpu_to_le32(wp->share_id[2]);
	211	xp.share_id[3] = cpu_to_le32(wp->share_id[3]);
	212	xp.format = cpu_to_le32(wp->format);
213	xp.size = cpu_to_le32(wp->size);
214	xp.start = cpu_to_le32(wp->start);
215	xp.loop_start = cpu_to_le32(wp->loop_start);
216	xp.loop_end = cpu_to_le32(wp->loop_end);
217	xp.loop_repeat = cpu_to_le32(wp->loop_repeat);
218	xp.flags = wp->flags;
219	xp.sample_rate = cpu_to_le32(wp->sample_rate);
220	xp.low_frequency = cpu_to_le32(wp->low_frequency);
221	xp.high_frequency = cpu_to_le32(wp->high_frequency);
222	xp.root_frequency = cpu_to_le32(wp->root_frequency);
223	xp.tune = cpu_to_le16(wp->tune);
224	xp.balance = wp->balance;
225	memcpy(xp.envelope_rate, wp->envelope_rate, 6);
226	memcpy(xp.envelope_offset, wp->envelope_offset, 6);
227	xp.tremolo_sweep = wp->tremolo_sweep;
228	xp.tremolo_rate = wp->tremolo_rate;
229	xp.tremolo_depth = wp->tremolo_depth;
230	xp.vibrato_sweep = wp->vibrato_sweep;
231	xp.vibrato_rate = wp->vibrato_rate;
232	xp.vibrato_depth = wp->vibrato_depth;
233	xp.scale_frequency = cpu_to_le16(wp->scale_frequency);
234	xp.scale_factor = cpu_to_le16(wp->scale_factor);
235	if (copy_to_user(*data, &xp, sizeof(xp)))
236	return -EFAULT;
237	*data += sizeof(xp);
238	*len -= sizeof(xp);
239	real_size = snd_seq_gf1_size(wp->size, wp->format);
240	if (*len < (long)real_size)
241	return -ENOMEM;
242	if (ops->get_sample) {
243	err = ops->get_sample(ops->private_data, wp,
244	*data, real_size, atomic);
245	if (err < 0)
246	return err;
247	}
248	*data += wp->size;
249	*len -= wp->size;
250	}
251	return 0;
252	}
253
254	static int snd_seq_gf1_get(void private_data, snd_seq_kinstr_t instr,
255	char __user *instr_data, long len, int atomic,
256	int cmd)
257	{
258	snd_gf1_ops_t ops = (snd_gf1_ops_t )private_data;
259	gf1_instrument_t *ip;
260	gf1_xinstrument_t ix;
261
262	if (cmd != SNDRV_SEQ_INSTR_GET_CMD_FULL)
263	return -EINVAL;
264	if (len < (long)sizeof(ix))
265	return -ENOMEM;
266	memset(&ix, 0, sizeof(ix));
267	ip = (gf1_instrument_t *)KINSTR_DATA(instr);
268	ix.stype = GF1_STRU_INSTR;
269	ix.exclusion = cpu_to_le16(ip->exclusion);
270	ix.exclusion_group = cpu_to_le16(ip->exclusion_group);
271	ix.effect1 = cpu_to_le16(ip->effect1);
272	ix.effect1_depth = cpu_to_le16(ip->effect1_depth);
273	ix.effect2 = ip->effect2;
274	ix.effect2_depth = ip->effect2_depth;
275	if (copy_to_user(instr_data, &ix, sizeof(ix)))
276	return -EFAULT;
277	instr_data += sizeof(ix);
278	len -= sizeof(ix);
279	return snd_seq_gf1_copy_wave_to_stream(ops,
280	ip,
281	&instr_data,
282	&len,
283	atomic);
284	}
285
286	static int snd_seq_gf1_get_size(void private_data, snd_seq_kinstr_t instr,
287	long *size)
288	{
289	long result;
290	gf1_instrument_t *ip;
291	gf1_wave_t *wp;
292
293	*size = 0;
294	ip = (gf1_instrument_t *)KINSTR_DATA(instr);
295	result = sizeof(gf1_xinstrument_t);
296	for (wp = ip->wave; wp; wp = wp->next) {
297	result += sizeof(gf1_xwave_t);
298	result += wp->size;
299	}
300	*size = result;
301	return 0;
302	}
303
304	static int snd_seq_gf1_remove(void *private_data,
305	snd_seq_kinstr_t *instr,
306	int atomic)
307	{
308	snd_gf1_ops_t ops = (snd_gf1_ops_t )private_data;
309	gf1_instrument_t *ip;
310
311	ip = (gf1_instrument_t *)KINSTR_DATA(instr);
312	snd_seq_gf1_instr_free(ops, ip, atomic);
313	return 0;
314	}
315
316	static void snd_seq_gf1_notify(void *private_data,
317	snd_seq_kinstr_t *instr,
318	int what)
319	{
320	snd_gf1_ops_t ops = (snd_gf1_ops_t )private_data;
321
322	if (ops->notify)
323	ops->notify(ops->private_data, instr, what);
324	}
325
326	int snd_seq_gf1_init(snd_gf1_ops_t *ops,
327	void *private_data,
328	snd_seq_kinstr_ops_t *next)
329	{
330	memset(ops, 0, sizeof(*ops));
331	ops->private_data = private_data;
332	ops->kops.private_data = ops;
333	ops->kops.add_len = sizeof(gf1_instrument_t);
334	ops->kops.instr_type = SNDRV_SEQ_INSTR_ID_GUS_PATCH;
335	ops->kops.put = snd_seq_gf1_put;
336	ops->kops.get = snd_seq_gf1_get;
337	ops->kops.get_size = snd_seq_gf1_get_size;
338	ops->kops.remove = snd_seq_gf1_remove;
339	ops->kops.notify = snd_seq_gf1_notify;
340	ops->kops.next = next;
341	return 0;
342	}
343
344	/*
345	* Init part
346	*/
347
348	static int __init alsa_ainstr_gf1_init(void)
349	{
350	return 0;
351	}
352
353	static void __exit alsa_ainstr_gf1_exit(void)
354	{
355	}
356
357	module_init(alsa_ainstr_gf1_init)
358	module_exit(alsa_ainstr_gf1_exit)
359
360	EXPORT_SYMBOL(snd_seq_gf1_init);