aboutsummaryrefslogtreecommitdiffstats
path: root/sound/oss/dev_table.h
blob: adf1d625b576cc19af1bc7b574690ae7c5cf5e9b (plain) (blame)
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
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
/*
 *	dev_table.h
 *
 *	Global definitions for device call tables
 *
 *
 * Copyright (C) by Hannu Savolainen 1993-1997
 *
 * OSS/Free for Linux is distributed under the GNU GENERAL PUBLIC LICENSE (GPL)
 * Version 2 (June 1991). See the "COPYING" file distributed with this software
 * for more info.
 */


#ifndef _DEV_TABLE_H_
#define _DEV_TABLE_H_

#include <linux/spinlock.h>
/*
 * Sound card numbers 27 to 999. (1 to 26 are defined in soundcard.h)
 * Numbers 1000 to N are reserved for driver's internal use.
 */

#define SNDCARD_DESKPROXL		27	/* Compaq Deskpro XL */
#define SNDCARD_VIDC			28	/* ARMs VIDC */
#define SNDCARD_SBPNP			29
#define SNDCARD_SOFTOSS			36
#define SNDCARD_VMIDI			37
#define SNDCARD_OPL3SA1			38	/* Note: clash in msnd.h */
#define SNDCARD_OPL3SA1_SB		39
#define SNDCARD_OPL3SA1_MPU		40
#define SNDCARD_WAVEFRONT               41
#define SNDCARD_OPL3SA2                 42
#define SNDCARD_OPL3SA2_MPU             43
#define SNDCARD_WAVEARTIST              44	/* Waveartist */
#define SNDCARD_OPL3SA2_MSS             45	/* Originally missed */
#define SNDCARD_AD1816                  88

/*
 *	NOTE! 	NOTE!	NOTE!	NOTE!
 *
 *	If you modify this file, please check the dev_table.c also.
 *
 *	NOTE! 	NOTE!	NOTE!	NOTE!
 */

struct driver_info 
{
	char *driver_id;
	int card_subtype;	/* Driver specific. Usually 0 */
	int card_type;		/*	From soundcard.h	*/
	char *name;
	void (*attach) (struct address_info *hw_config);
	int (*probe) (struct address_info *hw_config);
	void (*unload) (struct address_info *hw_config);
};

struct card_info 
{
	int card_type;	/* Link (search key) to the driver list */
	struct address_info config;
	int enabled;
	void *for_driver_use;
};


/*
 * Device specific parameters (used only by dmabuf.c)
 */
#define MAX_SUB_BUFFERS		(32*MAX_REALTIME_FACTOR)

#define DMODE_NONE		0
#define DMODE_OUTPUT		PCM_ENABLE_OUTPUT
#define DMODE_INPUT		PCM_ENABLE_INPUT

struct dma_buffparms 
{
	int      dma_mode;	/* DMODE_INPUT, DMODE_OUTPUT or DMODE_NONE */
	int	 closing;

	/*
 	 * Pointers to raw buffers
 	 */

  	char     *raw_buf;
    	unsigned long   raw_buf_phys;
	int buffsize;

     	/*
         * Device state tables
         */

	unsigned long flags;
#define DMA_BUSY	0x00000001
#define DMA_RESTART	0x00000002
#define DMA_ACTIVE	0x00000004
#define DMA_STARTED	0x00000008
#define DMA_EMPTY	0x00000010	
#define DMA_ALLOC_DONE	0x00000020
#define DMA_SYNCING	0x00000040
#define DMA_DIRTY	0x00000080
#define DMA_POST	0x00000100
#define DMA_NODMA	0x00000200
#define DMA_NOTIMEOUT	0x00000400

	int      open_mode;

	/*
	 * Queue parameters.
	 */
	int      qlen;
	int      qhead;
	int      qtail;
	spinlock_t lock;
		
	int	 cfrag;	/* Current incomplete fragment (write) */

	int      nbufs;
	int      counts[MAX_SUB_BUFFERS];
	int      subdivision;

	int      fragment_size;
        int	 needs_reorg;
	int	 max_fragments;

	int	 bytes_in_use;

	int	 underrun_count;
	unsigned long	 byte_counter;
	unsigned long	 user_counter;
	unsigned long	 max_byte_counter;
	int	 data_rate; /* Bytes/second */

	int	 mapping_flags;
#define			DMA_MAP_MAPPED		0x00000001
	char	neutral_byte;
	int	dma;		/* DMA channel */

	int     applic_profile;	/* Application profile (APF_*) */
	/* Interrupt callback stuff */
	void (*audio_callback) (int dev, int parm);
	int callback_parm;

	int	 buf_flags[MAX_SUB_BUFFERS];
#define		 BUFF_EOF		0x00000001 /* Increment eof count */
#define		 BUFF_DIRTY		0x00000002 /* Buffer written */
};

/*
 * Structure for use with various microcontrollers and DSP processors 
 * in the recent sound cards.
 */
typedef struct coproc_operations 
{
	char name[64];
	struct module *owner;
	int (*open) (void *devc, int sub_device);
	void (*close) (void *devc, int sub_device);
	int (*ioctl) (void *devc, unsigned int cmd, void __user * arg, int local);
	void (*reset) (void *devc);

	void *devc;		/* Driver specific info */
} coproc_operations;

struct audio_driver 
{
	struct module *owner;
	int (*open) (int dev, int mode);
	void (*close) (int dev);
	void (*output_block) (int dev, unsigned long buf, 
			      int count, int intrflag);
	void (*start_input) (int dev, unsigned long buf, 
			     int count, int intrflag);
	int (*ioctl) (int dev, unsigned int cmd, void __user * arg);
	int (*prepare_for_input) (int dev, int bufsize, int nbufs);
	int (*prepare_for_output) (int dev, int bufsize, int nbufs);
	void (*halt_io) (int dev);
	int (*local_qlen)(int dev);
	void (*copy_user) (int dev,
			char *localbuf, int localoffs,
                        const char __user *userbuf, int useroffs,
                        int max_in, int max_out,
                        int *used, int *returned,
                        int len);
	void (*halt_input) (int dev);
	void (*halt_output) (int dev);
	void (*trigger) (int dev, int bits);
	int (*set_speed)(int dev, int speed);
	unsigned int (*set_bits)(int dev, unsigned int bits);
	short (*set_channels)(int dev, short channels);
	void (*postprocess_write)(int dev); 	/* Device spesific postprocessing for written data */
	void (*preprocess_read)(int dev); 	/* Device spesific preprocessing for read data */
	void (*mmap)(int dev);
};

struct audio_operations 
{
        char name[128];
	int flags;
#define NOTHING_SPECIAL 	0x00
#define NEEDS_RESTART		0x01
#define DMA_AUTOMODE		0x02
#define DMA_DUPLEX		0x04
#define DMA_PSEUDO_AUTOMODE	0x08
#define DMA_HARDSTOP		0x10
#define DMA_EXACT		0x40
#define DMA_NORESET		0x80
	int  format_mask;	/* Bitmask for supported audio formats */
	void *devc;		/* Driver specific info */
	struct audio_driver *d;
	void *portc;		/* Driver specific info */
	struct dma_buffparms *dmap_in, *dmap_out;
	struct coproc_operations *coproc;
	int mixer_dev;
	int enable_bits;
 	int open_mode;
	int go;
	int min_fragment;	/* 0 == unlimited */
	int max_fragment;	/* 0 == unlimited */
	int parent_dev;		/* 0 -> no parent, 1 to n -> parent=parent_dev+1 */

	/* fields formerly in dmabuf.c */
	wait_queue_head_t in_sleeper;
	wait_queue_head_t out_sleeper;
	wait_queue_head_t poll_sleeper;

	/* fields formerly in audio.c */
	int audio_mode;

#define		AM_NONE		0
#define		AM_WRITE	OPEN_WRITE
#define 	AM_READ		OPEN_READ

	int local_format;
	int audio_format;
	int local_conversion;
#define CNV_MU_LAW	0x00000001

	/* large structures at the end to keep offsets small */
	struct dma_buffparms dmaps[2];
};

int *load_mixer_volumes(char *name, int *levels, int present);

struct mixer_operations 
{
	struct module *owner;
	char id[16];
	char name[64];
	int (*ioctl) (int dev, unsigned int cmd, void __user * arg);
	
	void *devc;
	int modify_counter;
};

struct synth_operations 
{
	struct module *owner;
	char *id;	/* Unique identifier (ASCII) max 29 char */
	struct synth_info *info;
	int midi_dev;
	int synth_type;
	int synth_subtype;

	int (*open) (int dev, int mode);
	void (*close) (int dev);
	int (*ioctl) (int dev, unsigned int cmd, void __user * arg);
	int (*kill_note) (int dev, int voice, int note, int velocity);
	int (*start_note) (int dev, int voice, int note, int velocity);
	int (*set_instr) (int dev, int voice, int instr);
	void (*reset) (int dev);
	void (*hw_control) (int dev, unsigned char *event);
	int (*load_patch) (int dev, int format, const char __user *addr,
	     int offs, int count, int pmgr_flag);
	void (*aftertouch) (int dev, int voice, int pressure);
	void (*controller) (int dev, int voice, int ctrl_num, int value);
	void (*panning) (int dev, int voice, int value);
	void (*volume_method) (int dev, int mode);
	void (*bender) (int dev, int chn, int value);
	int (*alloc_voice) (int dev, int chn, int note, struct voice_alloc_info *alloc);
	void (*setup_voice) (int dev, int voice, int chn);
	int (*send_sysex)(int dev, unsigned char *bytes, int len);

 	struct voice_alloc_info alloc;
 	struct channel_info chn_info[16];
	int emulation;
#define	EMU_GM			1	/* General MIDI */
#define	EMU_XG			2	/* Yamaha XG */
#define MAX_SYSEX_BUF	64
	unsigned char sysex_buf[MAX_SYSEX_BUF];
	int sysex_ptr;
};

struct midi_input_info 
{
	/* MIDI input scanner variables */
#define MI_MAX	10
	volatile int             m_busy;
    	unsigned char   m_buf[MI_MAX];
	unsigned char	m_prev_status;	/* For running status */
    	int             m_ptr;
#define MST_INIT			0
#define MST_DATA			1
#define MST_SYSEX			2
    	int             m_state;
    	int             m_left;
};

struct midi_operations 
{
	struct module *owner;
	struct midi_info info;
	struct synth_operations *converter;
	struct midi_input_info in_info;
	int (*open) (int dev, int mode,
		void (*inputintr)(int dev, unsigned char data),
		void (*outputintr)(int dev)
		);
	void (*close) (int dev);
	int (*ioctl) (int dev, unsigned int cmd, void __user * arg);
	int (*outputc) (int dev, unsigned char data);
	int (*start_read) (int dev);
	int (*end_read) (int dev);
	void (*kick)(int dev);
	int (*command) (int dev, unsigned char *data);
	int (*buffer_status) (int dev);
	int (*prefix_cmd) (int dev, unsigned char status);
	struct coproc_operations *coproc;
	void *devc;
};

struct sound_lowlev_timer 
{
	int dev;
	int priority;
	unsigned int (*tmr_start)(int dev, unsigned int usecs);
	void (*tmr_disable)(int dev);
	void (*tmr_restart)(int dev);
};

struct sound_timer_operations 
{
	struct module *owner;
	struct sound_timer_info info;
	int priority;
	int devlink;
	int (*open)(int dev, int mode);
	void (*close)(int dev);
	int (*event)(int dev, unsigned char *ev);
	unsigned long (*get_time)(int dev);
	int (*ioctl) (int dev, unsigned int cmd, void __user * arg);
	void (*arm_timer)(int dev, long time);
};

#ifdef _DEV_TABLE_C_   
struct audio_operations *audio_devs[MAX_AUDIO_DEV];
int num_audiodevs;
struct mixer_operations *mixer_devs[MAX_MIXER_DEV];
int num_mixers;
struct synth_operations *synth_devs[MAX_SYNTH_DEV+MAX_MIDI_DEV];
int num_synths;
struct midi_operations *midi_devs[MAX_MIDI_DEV];
int num_midis;

extern struct sound_timer_operations default_sound_timer;
struct sound_timer_operations *sound_timer_devs[MAX_TIMER_DEV] = {
	&default_sound_timer, NULL
}; 
int num_sound_timers = 1;
#else
extern struct audio_operations *audio_devs[MAX_AUDIO_DEV];
extern int num_audiodevs;
extern struct mixer_operations *mixer_devs[MAX_MIXER_DEV];
extern int num_mixers;
extern struct synth_operations *synth_devs[MAX_SYNTH_DEV+MAX_MIDI_DEV];
extern int num_synths;
extern struct midi_operations *midi_devs[MAX_MIDI_DEV];
extern int num_midis;
extern struct sound_timer_operations * sound_timer_devs[MAX_TIMER_DEV];
extern int num_sound_timers;
#endif	/* _DEV_TABLE_C_ */

extern int sound_map_buffer (int dev, struct dma_buffparms *dmap, buffmem_desc *info);
void sound_timer_init (struct sound_lowlev_timer *t, char *name);
void sound_dma_intr (int dev, struct dma_buffparms *dmap, int chan);

#define AUDIO_DRIVER_VERSION	2
#define MIXER_DRIVER_VERSION	2
int sound_install_audiodrv(int vers, char *name, struct audio_driver *driver,
			int driver_size, int flags, unsigned int format_mask,
			void *devc, int dma1, int dma2);
int sound_install_mixer(int vers, char *name, struct mixer_operations *driver,
			int driver_size, void *devc);

void sound_unload_audiodev(int dev);
void sound_unload_mixerdev(int dev);
void sound_unload_mididev(int dev);
void sound_unload_synthdev(int dev);
void sound_unload_timerdev(int dev);
int sound_alloc_mixerdev(void);
int sound_alloc_timerdev(void);
int sound_alloc_synthdev(void);
int sound_alloc_mididev(void);
#endif	/* _DEV_TABLE_H_ */