Beispiel #1
0
/* static MJR */ int snd_seq_call_port_info_ioctl(struct snd_seq_client *client, unsigned int cmd,
					struct snd_seq_port_info32 __user *data32)
{
	int err = -EFAULT;
	struct snd_seq_port_info *data;
	/*mm_segment_t*/ unsigned long fs; // MJR

	data = kmalloc(sizeof(*data), GFP_KERNEL);
	if (! data)
		return -ENOMEM;

	if (copy_from_user(data, data32, sizeof(*data32)) ||
	    get_user(data->flags, &data32->flags) ||
	    get_user(data->time_queue, &data32->time_queue))
		goto error;
	data->kernel = NULL;

	fs = snd_enter_user();
	err = snd_seq_do_ioctl(client, cmd, data);
	snd_leave_user(fs);
	if (err < 0)
		goto error;

	if (copy_to_user(data32, data, sizeof(*data32)) ||
	    put_user(data->flags, &data32->flags) ||
	    put_user(data->time_queue, &data32->time_queue))
		err = -EFAULT;

 error:
	kfree(data);
	return err;
}
static int snd_pcm_ioctl_delay_compat(struct snd_pcm_substream *substream,
				      s32 __user *src)
{
	snd_pcm_sframes_t delay;
	mm_segment_t fs;
	int err;

	fs = snd_enter_user();
	err = snd_pcm_delay(substream, &delay);
	snd_leave_user(fs);
	if (err < 0)
		return err;
	if (put_user(delay, src))
		return -EFAULT;
	return err;
}
Beispiel #3
0
/* static MJR */ int snd_pcm_ioctl_delay_compat(struct snd_pcm_substream *substream,
				      s32 __user *src)
{
	snd_pcm_sframes_t delay;
	/*mm_segment_t*/ unsigned long fs; // MJR
	int err;

	fs = snd_enter_user();
	err = snd_pcm_delay(substream, &delay);
	snd_leave_user(fs);
	if (err < 0)
		return err;
	if (put_user(delay, src))
		return -EFAULT;
	return err;
}
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;
}