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/*
**********************************************************************
* hwaccess.h
* 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 _HWACCESS_H
#define _HWACCESS_H
#include <linux/fs.h>
#include <linux/sound.h>
#include <linux/soundcard.h>
#include <linux/ac97_codec.h>
#include <linux/pci.h>
#include <linux/slab.h>
#include <linux/sched.h>
#include <asm/io.h>
#include "efxmgr.h"
#include "passthrough.h"
#include "midi.h"
#define EMUPAGESIZE 4096 /* don't change */
#define NUM_G 64 /* use all channels */
#define NUM_FXSENDS 4 /* don't change */
/* setting this to other than a power of two may break some applications */
#define MAXBUFSIZE 65536
#define MAXPAGES 8192
#define BUFMAXPAGES (MAXBUFSIZE / PAGE_SIZE)
#define FLAGS_AVAILABLE 0x0001
#define FLAGS_READY 0x0002
struct memhandle
{
dma_addr_t dma_handle;
void *addr;
u32 size;
};
#define DEBUG_LEVEL 2
#ifdef EMU10K1_DEBUG
# define DPD(level,x,y...) do {if(level <= DEBUG_LEVEL) printk( KERN_NOTICE "emu10k1: %s: %d: " x , __FILE__ , __LINE__ , y );} while(0)
# define DPF(level,x) do {if(level <= DEBUG_LEVEL) printk( KERN_NOTICE "emu10k1: %s: %d: " x , __FILE__ , __LINE__ );} while(0)
#else
# define DPD(level,x,y...) do { } while (0) /* not debugging: nothing */
# define DPF(level,x) do { } while (0)
#endif /* EMU10K1_DEBUG */
#define ERROR() DPF(1,"error\n")
/* DATA STRUCTURES */
struct emu10k1_waveout
{
u16 send_routing[3];
u8 send_a[3];
u8 send_b[3];
u8 send_c[3];
u8 send_d[3];
};
struct emu10k1_wavein
{
struct wiinst *ac97;
struct wiinst *mic;
struct wiinst *fx;
u8 recsrc;
u32 fxwc;
};
#define CMD_READ 1
#define CMD_WRITE 2
struct mixer_private_ioctl {
u32 cmd;
u32 val[90];
};
/* bogus ioctls numbers to escape from OSS mixer limitations */
#define CMD_WRITEFN0 _IOW('D', 0, struct mixer_private_ioctl)
#define CMD_READFN0 _IOR('D', 1, struct mixer_private_ioctl)
#define CMD_WRITEPTR _IOW('D', 2, struct mixer_private_ioctl)
#define CMD_READPTR _IOR('D', 3, struct mixer_private_ioctl)
#define CMD_SETRECSRC _IOW('D', 4, struct mixer_private_ioctl)
#define CMD_GETRECSRC _IOR('D', 5, struct mixer_private_ioctl)
#define CMD_GETVOICEPARAM _IOR('D', 6, struct mixer_private_ioctl)
#define CMD_SETVOICEPARAM _IOW('D', 7, struct mixer_private_ioctl)
#define CMD_GETPATCH _IOR('D', 8, struct mixer_private_ioctl)
#define CMD_GETGPR _IOR('D', 9, struct mixer_private_ioctl)
#define CMD_GETCTLGPR _IOR('D', 10, struct mixer_private_ioctl)
#define CMD_SETPATCH _IOW('D', 11, struct mixer_private_ioctl)
#define CMD_SETGPR _IOW('D', 12, struct mixer_private_ioctl)
#define CMD_SETCTLGPR _IOW('D', 13, struct mixer_private_ioctl)
#define CMD_SETGPOUT _IOW('D', 14, struct mixer_private_ioctl)
#define CMD_GETGPR2OSS _IOR('D', 15, struct mixer_private_ioctl)
#define CMD_SETGPR2OSS _IOW('D', 16, struct mixer_private_ioctl)
#define CMD_SETMCH_FX _IOW('D', 17, struct mixer_private_ioctl)
#define CMD_SETPASSTHROUGH _IOW('D', 18, struct mixer_private_ioctl)
#define CMD_PRIVATE3_VERSION _IOW('D', 19, struct mixer_private_ioctl)
#define CMD_AC97_BOOST _IOW('D', 20, struct mixer_private_ioctl)
//up this number when breaking compatibility
#define PRIVATE3_VERSION 1
struct emu10k1_card
{
struct list_head list;
struct memhandle virtualpagetable;
struct memhandle tankmem;
struct memhandle silentpage;
spinlock_t lock;
u8 voicetable[NUM_G];
u16 emupagetable[MAXPAGES];
struct list_head timers;
unsigned timer_delay;
spinlock_t timer_lock;
struct pci_dev *pci_dev;
unsigned long iobase;
unsigned long length;
unsigned short model;
unsigned int irq;
int audio_dev;
int audio_dev1;
int midi_dev;
#ifdef EMU10K1_SEQUENCER
int seq_dev;
struct emu10k1_mididevice *seq_mididev;
#endif
struct ac97_codec ac97;
int ac97_supported_mixers;
int ac97_stereo_mixers;
/* Number of first fx voice for multichannel output */
u8 mchannel_fx;
struct emu10k1_waveout waveout;
struct emu10k1_wavein wavein;
struct emu10k1_mpuout *mpuout;
struct emu10k1_mpuin *mpuin;
struct semaphore open_sem;
mode_t open_mode;
wait_queue_head_t open_wait;
u32 mpuacqcount; // Mpu acquire count
u32 has_toslink; // TOSLink detection
u8 chiprev; /* Chip revision */
int isaps;
struct patch_manager mgr;
struct pt_data pt;
};
int emu10k1_addxmgr_alloc(u32, struct emu10k1_card *);
void emu10k1_addxmgr_free(struct emu10k1_card *, int);
int emu10k1_find_control_gpr(struct patch_manager *, const char *, const char *);
void emu10k1_set_control_gpr(struct emu10k1_card *, int , s32, int );
void emu10k1_set_volume_gpr(struct emu10k1_card *, int, s32, int);
#define VOL_6BIT 0x40
#define VOL_5BIT 0x20
#define VOL_4BIT 0x10
#define TIMEOUT 16384
u32 srToPitch(u32);
u8 sumVolumeToAttenuation(u32);
extern struct list_head emu10k1_devs;
/* Hardware Abstraction Layer access functions */
void emu10k1_writefn0(struct emu10k1_card *, u32 , u32 );
u32 emu10k1_readfn0(struct emu10k1_card *, u32 );
void sblive_writeptr(struct emu10k1_card *, u32 , u32 , u32 );
void sblive_writeptr_tag(struct emu10k1_card *card, u32 channel, ...);
#define TAGLIST_END 0
u32 sblive_readptr(struct emu10k1_card *, u32 , u32 );
void emu10k1_irq_enable(struct emu10k1_card *, u32);
void emu10k1_irq_disable(struct emu10k1_card *, u32);
void emu10k1_set_stop_on_loop(struct emu10k1_card *, u32);
void emu10k1_clear_stop_on_loop(struct emu10k1_card *, u32);
/* AC97 Codec register access function */
u16 emu10k1_ac97_read(struct ac97_codec *, u8);
void emu10k1_ac97_write(struct ac97_codec *, u8, u16);
/* MPU access function*/
int emu10k1_mpu_write_data(struct emu10k1_card *, u8);
int emu10k1_mpu_read_data(struct emu10k1_card *, u8 *);
int emu10k1_mpu_reset(struct emu10k1_card *);
int emu10k1_mpu_acquire(struct emu10k1_card *);
int emu10k1_mpu_release(struct emu10k1_card *);
#endif /* _HWACCESS_H */
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