drivers/opl3/opl3_synth.c

23 #include <sound/opl3.h>
71 static int snd_opl3_play_note(struct snd_opl3 * opl3, struct snd_dm_fm_note * note);
72 static int snd_opl3_set_voice(struct snd_opl3 * opl3, struct snd_dm_fm_voice * voice);
73 static int snd_opl3_set_params(struct snd_opl3 * opl3, struct snd_dm_fm_params * params);
74 static int snd_opl3_set_mode(struct snd_opl3 * opl3, int mode);
75 static int snd_opl3_set_connection(struct snd_opl3 * opl3, int connection);
93 	struct snd_opl3 *opl3 = hw->private_data;
96 	if (snd_BUG_ON(!opl3))
105 			info.fm_mode = opl3->fm_mode;
106 			info.rhythm = opl3->rhythm;
116 		snd_opl3_reset(opl3);
127 			return snd_opl3_play_note(opl3, &note);
138 			return snd_opl3_set_voice(opl3, &voice);
149 			return snd_opl3_set_params(opl3, &params);
156 		return snd_opl3_set_mode(opl3, (int) arg);
162 		return snd_opl3_set_connection(opl3, (int) arg);
166 		snd_opl3_clear_patches(opl3);
183 	struct snd_opl3 *opl3 = hw->private_data;
185 	snd_opl3_reset(opl3);
196 	struct snd_opl3 *opl3 = hw->private_data;
212 		err = snd_opl3_load_patch(opl3, inst.prog, inst.bank, type,
250 int snd_opl3_load_patch(struct snd_opl3 *opl3,
259 	patch = snd_opl3_find_patch(opl3, prog, bank, 1);
313 struct fm_patch *snd_opl3_find_patch(struct snd_opl3 *opl3, int prog, int bank,
320 	for (patch = opl3->patch_table[key]; patch; patch = patch->next) {
332 	patch->next = opl3->patch_table[key];
333 	opl3->patch_table[key] = patch;
341 void snd_opl3_clear_patches(struct snd_opl3 *opl3)
346 		for (patch = opl3->patch_table[i]; patch; patch = next) {
351 	memset(opl3->patch_table, 0, sizeof(opl3->patch_table));
357 void snd_opl3_reset(struct snd_opl3 * opl3)
366 	max_voices = (opl3->hardware < OPL3_HW_OPL3) ?
381 		opl3->command(opl3, opl3_reg, OPL3_TOTAL_LEVEL_MASK); /* Operator 1 volume */
383 		opl3->command(opl3, opl3_reg, OPL3_TOTAL_LEVEL_MASK); /* Operator 2 volume */
386 		opl3->command(opl3, opl3_reg, 0x00);	/* Note off */
389 	opl3->max_voices = MAX_OPL2_VOICES;
390 	opl3->fm_mode = SNDRV_DM_FM_MODE_OPL2;
392 	opl3->command(opl3, OPL3_LEFT | OPL3_REG_TEST, OPL3_ENABLE_WAVE_SELECT);
393 	opl3->command(opl3, OPL3_LEFT | OPL3_REG_PERCUSSION, 0x00);	/* Melodic mode */
394 	opl3->rhythm = 0;
399 static int snd_opl3_play_note(struct snd_opl3 * opl3, struct snd_dm_fm_note * note)
409 	if (note->voice >= ((opl3->fm_mode == SNDRV_DM_FM_MODE_OPL3) ?
427 	opl3->command(opl3, opl3_reg, reg_val);
440 	opl3->command(opl3, opl3_reg, reg_val);
446 static int snd_opl3_set_voice(struct snd_opl3 * opl3, struct snd_dm_fm_voice * voice)
460 	if (voice->voice >= ((opl3->fm_mode == SNDRV_DM_FM_MODE_OPL3) ?
495 	opl3->command(opl3, opl3_reg, reg_val);
504 	opl3->command(opl3, opl3_reg, reg_val);
513 	opl3->command(opl3, opl3_reg, reg_val);
522 	opl3->command(opl3, opl3_reg, reg_val);
530 	if (opl3->fm_mode == SNDRV_DM_FM_MODE_OPL3) {
538 	opl3->command(opl3, opl3_reg, reg_val);
543 	opl3->command(opl3, opl3_reg, reg_val);
548 static int snd_opl3_set_params(struct snd_opl3 * opl3, struct snd_dm_fm_params * params)
556 	opl3->command(opl3, OPL3_LEFT | OPL3_REG_KBD_SPLIT, reg_val);
568 		opl3->rhythm = 1;
570 		opl3->rhythm = 0;
584 	opl3->command(opl3, OPL3_LEFT | OPL3_REG_PERCUSSION, reg_val);
588 static int snd_opl3_set_mode(struct snd_opl3 * opl3, int mode)
590 	if ((mode == SNDRV_DM_FM_MODE_OPL3) && (opl3->hardware < OPL3_HW_OPL3))
593 	opl3->fm_mode = mode;
594 	if (opl3->hardware >= OPL3_HW_OPL3)
595 		opl3->command(opl3, OPL3_RIGHT | OPL3_REG_CONNECTION_SELECT, 0x00);	/* Clear 4-op connections */
600 static int snd_opl3_set_connection(struct snd_opl3 * opl3, int connection)
605 	if (opl3->fm_mode != SNDRV_DM_FM_MODE_OPL3)
611 	opl3->command(opl3, OPL3_RIGHT | OPL3_REG_CONNECTION_SELECT, reg_val);