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diff --git a/sound/oss/emu10k1/hwaccess.h b/sound/oss/emu10k1/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,"error\n")
+
+/* DATA STRUCTURES */
+
+struct emu10k1_waveout
+{
+ u32 send_routing[3];
+ // audigy only:
+ u32 send_routing2[3];
+
+ u32 send_dcba[3];
+ // audigy only:
+ u32 send_hgfe[3];
+};
+#define ROUTE_PCM 0
+#define ROUTE_PT 1
+#define ROUTE_PCM1 2
+
+#define SEND_MONO 0
+#define SEND_LEFT 1
+#define SEND_RIGHT 2
+
+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 2
+
+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_audigy;
+ 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);
+
+extern struct list_head emu10k1_devs;
+
+/* Hardware Abstraction Layer access functions */
+
+void emu10k1_writefn0(struct emu10k1_card *, u32, u32);
+void emu10k1_writefn0_2(struct emu10k1_card *, u32, u32, int);
+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_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 */
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.