1 files changed, 247 insertions, 0 deletions

diff --git a/sound/oss/emu10k1/hwaccess.h b/sound/oss/emu10k1/hwaccess.h
new file mode 100644
index 000000000000..104223a192aa
--- /dev/null
+++ b/sound/oss/emu10k1/hwaccess.h
@@ -0,0 +1,247 @@
+/*
+ **********************************************************************
+ *     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 */