summaryrefslogtreecommitdiffstats
path: root/sound/oss/emu10k1/hwaccess.h
blob: 104223a192aa1a447bcbd0df2128ff5a1409498f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
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 */