104 lines
		
	
	
	
		
			2.8 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			104 lines
		
	
	
	
		
			2.8 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
|   | /*
 | ||
|  |  ********************************************************************** | ||
|  |  *     sblive_voice.h -- EMU Voice Resource Manager header file | ||
|  |  *     Copyright 1999, 2000 Creative Labs, Inc. | ||
|  |  * | ||
|  |  ********************************************************************** | ||
|  |  * | ||
|  |  *     Date                 Author          Summary of changes | ||
|  |  *     ----                 ------          ------------------ | ||
|  |  *     October 20, 1999     Bertrand Lee    base code release | ||
|  |  * | ||
|  |  ********************************************************************** | ||
|  |  * | ||
|  |  *     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., 675 Mass Ave, Cambridge, MA 02139, | ||
|  |  *     USA. | ||
|  |  * | ||
|  |  ********************************************************************** | ||
|  |  */ | ||
|  | 
 | ||
|  | #ifndef _VOICEMGR_H
 | ||
|  | #define _VOICEMGR_H
 | ||
|  | 
 | ||
|  | #include "hwaccess.h"
 | ||
|  | 
 | ||
|  | /* struct emu_voice.usage flags */ | ||
|  | #define VOICE_USAGE_FREE		0x01
 | ||
|  | #define VOICE_USAGE_MIDI		0x02
 | ||
|  | #define VOICE_USAGE_PLAYBACK		0x04
 | ||
|  | 
 | ||
|  | /* struct emu_voice.flags flags */ | ||
|  | #define VOICE_FLAGS_STEREO		0x02
 | ||
|  | #define VOICE_FLAGS_16BIT		0x04
 | ||
|  | 
 | ||
|  | struct voice_param | ||
|  | { | ||
|  | 	/* FX bus amount send */ | ||
|  | 
 | ||
|  | 	u32 send_routing; | ||
|  | 	// audigy only:
 | ||
|  | 	u32 send_routing2; | ||
|  | 
 | ||
|  | 	u32 send_dcba; | ||
|  | 	// audigy only:
 | ||
|  | 	u32 send_hgfe; | ||
|  | 
 | ||
|  | 
 | ||
|  | 	u32 initial_fc; | ||
|  | 	u32 fc_target; | ||
|  | 
 | ||
|  | 	u32 initial_attn; | ||
|  | 	u32 volume_target; | ||
|  | 
 | ||
|  | 	u32 byampl_env_sustain; | ||
|  | 	u32 byampl_env_decay; | ||
|  | }; | ||
|  | 
 | ||
|  | struct voice_mem { | ||
|  | 	int emupageindex; | ||
|  | 	void *addr[BUFMAXPAGES]; | ||
|  | 	dma_addr_t dma_handle[BUFMAXPAGES]; | ||
|  | 	u32 pages; | ||
|  | }; | ||
|  | 
 | ||
|  | struct emu_voice | ||
|  | { | ||
|  | 	struct emu10k1_card *card; | ||
|  | 	u8 usage;		/* Free, MIDI, playback */ | ||
|  | 	u8 num;			/* Voice ID */ | ||
|  | 	u8 flags;		/* Stereo/mono, 8/16 bit */ | ||
|  | 
 | ||
|  | 	u32 startloop; | ||
|  | 	u32 endloop; | ||
|  | 	u32 start; | ||
|  | 
 | ||
|  | 	u32 initial_pitch; | ||
|  | 	u32 pitch_target; | ||
|  | 
 | ||
|  | 	struct voice_param params[2]; | ||
|  | 
 | ||
|  | 	struct voice_mem mem; | ||
|  | }; | ||
|  | 
 | ||
|  | int emu10k1_voice_alloc_buffer(struct emu10k1_card *, struct voice_mem *, u32); | ||
|  | void emu10k1_voice_free_buffer(struct emu10k1_card *, struct voice_mem *); | ||
|  | int emu10k1_voice_alloc(struct emu10k1_card *, struct emu_voice *); | ||
|  | void emu10k1_voice_free(struct emu_voice *); | ||
|  | void emu10k1_voice_playback_setup(struct emu_voice *); | ||
|  | void emu10k1_voices_start(struct emu_voice *, unsigned int, int); | ||
|  | void emu10k1_voices_stop(struct emu_voice *, int); | ||
|  | 
 | ||
|  | #endif /* _VOICEMGR_H */
 |