[linux.git] / include / sound / emu8000.h

#ifndef __SOUND_EMU8000_H
#define __SOUND_EMU8000_H
/*
 *  Defines for the emu8000 (AWE32/64)
 *
 *  Copyright (C) 1999 Steve Ratcliffe
 *  Copyright (C) 1999-2000 Takashi Iwai <[email protected]>
 *
 *   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/emux_synth.h>
#include <sound/seq_kernel.h>

/*
 * Hardware parameters.
 */
#define EMU8000_MAX_DRAM (28 * 1024 * 1024) /* Max on-board mem is 28Mb ???*/
#define EMU8000_DRAM_OFFSET 0x200000	/* Beginning of on board ram */
#define EMU8000_CHANNELS   32	/* Number of hardware channels */
#define EMU8000_DRAM_VOICES	30	/* number of normal voices */

/* Flags to set a dma channel to read or write */
#define EMU8000_RAM_READ   0
#define EMU8000_RAM_WRITE  1
#define EMU8000_RAM_CLOSE  2
#define EMU8000_RAM_MODE_MASK	0x03
#define EMU8000_RAM_RIGHT	0x10	/* use 'right' DMA channel */

enum {
	EMU8000_CONTROL_BASS = 0,
	EMU8000_CONTROL_TREBLE,
	EMU8000_CONTROL_CHORUS_MODE,
	EMU8000_CONTROL_REVERB_MODE,
	EMU8000_CONTROL_FM_CHORUS_DEPTH,
	EMU8000_CONTROL_FM_REVERB_DEPTH,
	EMU8000_NUM_CONTROLS,
};

/*
 * Structure to hold all state information for the emu8000 driver.
 *
 * Note 1: The chip supports 32 channels in hardware this is max_channels
 * some of the channels may be used for other things so max_channels is
 * the number in use for wave voices.
 */
struct snd_emu8000 {

	struct snd_emux *emu;

	int index;		/* sequencer client index */
	int seq_ports;		/* number of sequencer ports */
	int fm_chorus_depth;	/* FM OPL3 chorus depth */
	int fm_reverb_depth;	/* FM OPL3 reverb depth */

	int mem_size;		/* memory size */
	unsigned long port1;	/* Port usually base+0 */
	unsigned long port2;	/* Port usually at base+0x400 */
	unsigned long port3;	/* Port usually at base+0x800 */
	struct resource *res_port1;
	struct resource *res_port2;
	struct resource *res_port3;
	unsigned short last_reg;/* Last register command */
	spinlock_t reg_lock;

	int dram_checked;

	struct snd_card *card;		/* The card that this belongs to */

	int chorus_mode;
	int reverb_mode;
	int bass_level;
	int treble_level;

	struct snd_util_memhdr *memhdr;

	spinlock_t control_lock;
	struct snd_kcontrol *controls[EMU8000_NUM_CONTROLS];

	struct snd_pcm *pcm; /* pcm on emu8000 wavetable */

};

/* sequencer device id */
#define SNDRV_SEQ_DEV_ID_EMU8000	"emu8000-synth"


/* exported functions */
int snd_emu8000_new(struct snd_card *card, int device, long port, int seq_ports,
		    struct snd_seq_device **ret);
void snd_emu8000_poke(struct snd_emu8000 *emu, unsigned int port, unsigned int reg,
		      unsigned int val);
unsigned short snd_emu8000_peek(struct snd_emu8000 *emu, unsigned int port,
				unsigned int reg);
void snd_emu8000_poke_dw(struct snd_emu8000 *emu, unsigned int port, unsigned int reg,
			 unsigned int val);
unsigned int snd_emu8000_peek_dw(struct snd_emu8000 *emu, unsigned int port,
				 unsigned int reg);
void snd_emu8000_dma_chan(struct snd_emu8000 *emu, int ch, int mode);

void snd_emu8000_init_fm(struct snd_emu8000 *emu);

void snd_emu8000_update_chorus_mode(struct snd_emu8000 *emu);
void snd_emu8000_update_reverb_mode(struct snd_emu8000 *emu);
void snd_emu8000_update_equalizer(struct snd_emu8000 *emu);
int snd_emu8000_load_chorus_fx(struct snd_emu8000 *emu, int mode, const void __user *buf, long len);
int snd_emu8000_load_reverb_fx(struct snd_emu8000 *emu, int mode, const void __user *buf, long len);

#endif /* __SOUND_EMU8000_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef __SOUND_EMU8000_H
	2	#define __SOUND_EMU8000_H
	3	/*
	4	* Defines for the emu8000 (AWE32/64)
	5	*
	6	* Copyright (C) 1999 Steve Ratcliffe
	7	* Copyright (C) 1999-2000 Takashi Iwai <[email protected]>
	8	*
	9	* This program is free software; you can redistribute it and/or modify
	10	* it under the terms of the GNU General Public License as published by
	11	* the Free Software Foundation; either version 2 of the License, or
	12	* (at your option) any later version.
	13	*
	14	* This program is distributed in the hope that it will be useful,
	15	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	17	* GNU General Public License for more details.
	18	*
	19	* You should have received a copy of the GNU General Public License
	20	* along with this program; if not, write to the Free Software
	21	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	22	*/
	23
a1ce3928 DH	24	#include <sound/emux_synth.h>
a1ce3928 DH	25	#include <sound/seq_kernel.h>
1da177e4 LT	26
	27	/*
	28	* Hardware parameters.
	29	*/
	30	#define EMU8000_MAX_DRAM (28 * 1024 * 1024) /* Max on-board mem is 28Mb ???*/
	31	#define EMU8000_DRAM_OFFSET 0x200000 /* Beginning of on board ram */
	32	#define EMU8000_CHANNELS 32 /* Number of hardware channels */
	33	#define EMU8000_DRAM_VOICES 30 /* number of normal voices */
	34
	35	/* Flags to set a dma channel to read or write */
	36	#define EMU8000_RAM_READ 0
	37	#define EMU8000_RAM_WRITE 1
	38	#define EMU8000_RAM_CLOSE 2
	39	#define EMU8000_RAM_MODE_MASK 0x03
	40	#define EMU8000_RAM_RIGHT 0x10 /* use 'right' DMA channel */
	41
	42	enum {
	43	EMU8000_CONTROL_BASS = 0,
	44	EMU8000_CONTROL_TREBLE,
	45	EMU8000_CONTROL_CHORUS_MODE,
	46	EMU8000_CONTROL_REVERB_MODE,
	47	EMU8000_CONTROL_FM_CHORUS_DEPTH,
	48	EMU8000_CONTROL_FM_REVERB_DEPTH,
	49	EMU8000_NUM_CONTROLS,
	50	};
	51
	52	/*
	53	* Structure to hold all state information for the emu8000 driver.
	54	*
	55	* Note 1: The chip supports 32 channels in hardware this is max_channels
	56	* some of the channels may be used for other things so max_channels is
	57	* the number in use for wave voices.
	58	*/
029d64b0	59	struct snd_emu8000 {
1da177e4	60
029d64b0	61	struct snd_emux *emu;
1da177e4 LT	62
	63	int index; /* sequencer client index */
	64	int seq_ports; /* number of sequencer ports */
	65	int fm_chorus_depth; /* FM OPL3 chorus depth */
	66	int fm_reverb_depth; /* FM OPL3 reverb depth */
	67
	68	int mem_size; /* memory size */
	69	unsigned long port1; /* Port usually base+0 */
	70	unsigned long port2; /* Port usually at base+0x400 */
	71	unsigned long port3; /* Port usually at base+0x800 */
	72	struct resource *res_port1;
	73	struct resource *res_port2;
	74	struct resource *res_port3;
	75	unsigned short last_reg;/* Last register command */
	76	spinlock_t reg_lock;
	77
	78	int dram_checked;
	79
029d64b0	80	struct snd_card card; / The card that this belongs to */
1da177e4 LT	81
	82	int chorus_mode;
	83	int reverb_mode;
	84	int bass_level;
	85	int treble_level;
	86
029d64b0	87	struct snd_util_memhdr *memhdr;
1da177e4 LT	88
1da177e4 LT	89	spinlock_t control_lock;
029d64b0	90	struct snd_kcontrol *controls[EMU8000_NUM_CONTROLS];
1da177e4	91
029d64b0	92	struct snd_pcm pcm; / pcm on emu8000 wavetable */
1da177e4	93
029d64b0	94	};
1da177e4 LT	95
	96	/* sequencer device id */
	97	#define SNDRV_SEQ_DEV_ID_EMU8000 "emu8000-synth"
	98
	99
	100	/* exported functions */
029d64b0 TI	101	int snd_emu8000_new(struct snd_card *card, int device, long port, int seq_ports,
	102	struct snd_seq_device **ret);
	103	void snd_emu8000_poke(struct snd_emu8000 *emu, unsigned int port, unsigned int reg,
1da177e4	104	unsigned int val);
029d64b0	105	unsigned short snd_emu8000_peek(struct snd_emu8000 *emu, unsigned int port,
1da177e4	106	unsigned int reg);
029d64b0	107	void snd_emu8000_poke_dw(struct snd_emu8000 *emu, unsigned int port, unsigned int reg,
1da177e4	108	unsigned int val);
029d64b0	109	unsigned int snd_emu8000_peek_dw(struct snd_emu8000 *emu, unsigned int port,
1da177e4	110	unsigned int reg);
029d64b0	111	void snd_emu8000_dma_chan(struct snd_emu8000 *emu, int ch, int mode);
1da177e4	112
029d64b0	113	void snd_emu8000_init_fm(struct snd_emu8000 *emu);
1da177e4	114
029d64b0 TI	115	void snd_emu8000_update_chorus_mode(struct snd_emu8000 *emu);
	116	void snd_emu8000_update_reverb_mode(struct snd_emu8000 *emu);
	117	void snd_emu8000_update_equalizer(struct snd_emu8000 *emu);
	118	int snd_emu8000_load_chorus_fx(struct snd_emu8000 emu, int mode, const void __user buf, long len);
	119	int snd_emu8000_load_reverb_fx(struct snd_emu8000 emu, int mode, const void __user buf, long len);
1da177e4 LT	120
1da177e4 LT	121	#endif /* __SOUND_EMU8000_H */