[mirror_ubuntu-jammy-kernel.git] / include / sound / emu8000.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
#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 <tiwai@suse.de>
 */

#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
1a59d1b8	1	/* SPDX-License-Identifier: GPL-2.0-or-later */
1da177e4 LT	2	#ifndef __SOUND_EMU8000_H
	3	#define __SOUND_EMU8000_H
	4	/*
	5	* Defines for the emu8000 (AWE32/64)
	6	*
	7	* Copyright (C) 1999 Steve Ratcliffe
	8	* Copyright (C) 1999-2000 Takashi Iwai <tiwai@suse.de>
1da177e4 LT	9	*/
1da177e4 LT	10
a1ce3928 DH	11	#include <sound/emux_synth.h>
a1ce3928 DH	12	#include <sound/seq_kernel.h>
1da177e4 LT	13
	14	/*
	15	* Hardware parameters.
	16	*/
	17	#define EMU8000_MAX_DRAM (28 * 1024 * 1024) /* Max on-board mem is 28Mb ???*/
	18	#define EMU8000_DRAM_OFFSET 0x200000 /* Beginning of on board ram */
	19	#define EMU8000_CHANNELS 32 /* Number of hardware channels */
	20	#define EMU8000_DRAM_VOICES 30 /* number of normal voices */
	21
	22	/* Flags to set a dma channel to read or write */
	23	#define EMU8000_RAM_READ 0
	24	#define EMU8000_RAM_WRITE 1
	25	#define EMU8000_RAM_CLOSE 2
	26	#define EMU8000_RAM_MODE_MASK 0x03
	27	#define EMU8000_RAM_RIGHT 0x10 /* use 'right' DMA channel */
	28
	29	enum {
	30	EMU8000_CONTROL_BASS = 0,
	31	EMU8000_CONTROL_TREBLE,
	32	EMU8000_CONTROL_CHORUS_MODE,
	33	EMU8000_CONTROL_REVERB_MODE,
	34	EMU8000_CONTROL_FM_CHORUS_DEPTH,
	35	EMU8000_CONTROL_FM_REVERB_DEPTH,
	36	EMU8000_NUM_CONTROLS,
	37	};
	38
	39	/*
	40	* Structure to hold all state information for the emu8000 driver.
	41	*
	42	* Note 1: The chip supports 32 channels in hardware this is max_channels
	43	* some of the channels may be used for other things so max_channels is
	44	* the number in use for wave voices.
	45	*/
029d64b0	46	struct snd_emu8000 {
1da177e4	47
029d64b0	48	struct snd_emux *emu;
1da177e4 LT	49
	50	int index; /* sequencer client index */
	51	int seq_ports; /* number of sequencer ports */
	52	int fm_chorus_depth; /* FM OPL3 chorus depth */
	53	int fm_reverb_depth; /* FM OPL3 reverb depth */
	54
	55	int mem_size; /* memory size */
	56	unsigned long port1; /* Port usually base+0 */
	57	unsigned long port2; /* Port usually at base+0x400 */
	58	unsigned long port3; /* Port usually at base+0x800 */
	59	struct resource *res_port1;
	60	struct resource *res_port2;
	61	struct resource *res_port3;
	62	unsigned short last_reg;/* Last register command */
	63	spinlock_t reg_lock;
	64
	65	int dram_checked;
	66
029d64b0	67	struct snd_card card; / The card that this belongs to */
1da177e4 LT	68
	69	int chorus_mode;
	70	int reverb_mode;
	71	int bass_level;
	72	int treble_level;
	73
029d64b0	74	struct snd_util_memhdr *memhdr;
1da177e4 LT	75
1da177e4 LT	76	spinlock_t control_lock;
029d64b0	77	struct snd_kcontrol *controls[EMU8000_NUM_CONTROLS];
1da177e4	78
029d64b0	79	struct snd_pcm pcm; / pcm on emu8000 wavetable */
1da177e4	80
029d64b0	81	};
1da177e4 LT	82
	83	/* sequencer device id */
	84	#define SNDRV_SEQ_DEV_ID_EMU8000 "emu8000-synth"
	85
	86
	87	/* exported functions */
029d64b0 TI	88	int snd_emu8000_new(struct snd_card *card, int device, long port, int seq_ports,
	89	struct snd_seq_device **ret);
	90	void snd_emu8000_poke(struct snd_emu8000 *emu, unsigned int port, unsigned int reg,
1da177e4	91	unsigned int val);
029d64b0	92	unsigned short snd_emu8000_peek(struct snd_emu8000 *emu, unsigned int port,
1da177e4	93	unsigned int reg);
029d64b0	94	void snd_emu8000_poke_dw(struct snd_emu8000 *emu, unsigned int port, unsigned int reg,
1da177e4	95	unsigned int val);
029d64b0	96	unsigned int snd_emu8000_peek_dw(struct snd_emu8000 *emu, unsigned int port,
1da177e4	97	unsigned int reg);
029d64b0	98	void snd_emu8000_dma_chan(struct snd_emu8000 *emu, int ch, int mode);
1da177e4	99
029d64b0	100	void snd_emu8000_init_fm(struct snd_emu8000 *emu);
1da177e4	101
029d64b0 TI	102	void snd_emu8000_update_chorus_mode(struct snd_emu8000 *emu);
	103	void snd_emu8000_update_reverb_mode(struct snd_emu8000 *emu);
	104	void snd_emu8000_update_equalizer(struct snd_emu8000 *emu);
	105	int snd_emu8000_load_chorus_fx(struct snd_emu8000 emu, int mode, const void __user buf, long len);
	106	int snd_emu8000_load_reverb_fx(struct snd_emu8000 emu, int mode, const void __user buf, long len);
1da177e4 LT	107
1da177e4 LT	108	#endif /* __SOUND_EMU8000_H */