hwaccess.h
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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,"errorn")
- /* 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;
- u16 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 */
- u8 is_aps;
- 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 emu10k1_timer_set(struct emu10k1_card *, u16);
- void sblive_writeptr(struct emu10k1_card *, u32, u32, u32);
- void sblive_writeptr_tag(struct emu10k1_card *, u32, ...);
- #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 */