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1 | /* |
2 | * dev_table.h |
3 | * |
4 | * Global definitions for device call tables |
5 | * |
6 | * |
7 | * Copyright (C) by Hannu Savolainen 1993-1997 |
8 | * |
9 | * OSS/Free for Linux is distributed under the GNU GENERAL PUBLIC LICENSE (GPL) |
10 | * Version 2 (June 1991). See the "COPYING" file distributed with this software |
11 | * for more info. |
12 | */ |
13 | |
14 | |
15 | #ifndef _DEV_TABLE_H_ |
16 | #define _DEV_TABLE_H_ |
17 | |
18 | #include <linux/spinlock.h> |
19 | /* |
20 | * Sound card numbers 27 to 999. (1 to 26 are defined in soundcard.h) |
21 | * Numbers 1000 to N are reserved for driver's internal use. |
22 | */ |
23 | |
24 | #define SNDCARD_DESKPROXL 27 /* Compaq Deskpro XL */ |
25 | #define SNDCARD_VIDC 28 /* ARMs VIDC */ |
26 | #define SNDCARD_SBPNP 29 |
27 | #define SNDCARD_SOFTOSS 36 |
28 | #define SNDCARD_VMIDI 37 |
29 | #define SNDCARD_OPL3SA1 38 /* Note: clash in msnd.h */ |
30 | #define SNDCARD_OPL3SA1_SB 39 |
31 | #define SNDCARD_OPL3SA1_MPU 40 |
32 | #define SNDCARD_WAVEFRONT 41 |
33 | #define SNDCARD_OPL3SA2 42 |
34 | #define SNDCARD_OPL3SA2_MPU 43 |
35 | #define SNDCARD_WAVEARTIST 44 /* Waveartist */ |
36 | #define SNDCARD_OPL3SA2_MSS 45 /* Originally missed */ |
37 | #define SNDCARD_AD1816 88 |
38 | |
39 | /* |
40 | * NOTE! NOTE! NOTE! NOTE! |
41 | * |
42 | * If you modify this file, please check the dev_table.c also. |
43 | * |
44 | * NOTE! NOTE! NOTE! NOTE! |
45 | */ |
46 | |
47 | struct driver_info |
48 | { |
49 | char *driver_id; |
50 | int card_subtype; /* Driver specific. Usually 0 */ |
51 | int card_type; /* From soundcard.h */ |
52 | char *name; |
53 | void (*attach) (struct address_info *hw_config); |
54 | int (*probe) (struct address_info *hw_config); |
55 | void (*unload) (struct address_info *hw_config); |
56 | }; |
57 | |
58 | struct card_info |
59 | { |
60 | int card_type; /* Link (search key) to the driver list */ |
61 | struct address_info config; |
62 | int enabled; |
63 | void *for_driver_use; |
64 | }; |
65 | |
66 | |
67 | /* |
68 | * Device specific parameters (used only by dmabuf.c) |
69 | */ |
70 | #define MAX_SUB_BUFFERS (32*MAX_REALTIME_FACTOR) |
71 | |
72 | #define DMODE_NONE 0 |
73 | #define DMODE_OUTPUT PCM_ENABLE_OUTPUT |
74 | #define DMODE_INPUT PCM_ENABLE_INPUT |
75 | |
76 | struct dma_buffparms |
77 | { |
78 | int dma_mode; /* DMODE_INPUT, DMODE_OUTPUT or DMODE_NONE */ |
79 | int closing; |
80 | |
81 | /* |
82 | * Pointers to raw buffers |
83 | */ |
84 | |
85 | char *raw_buf; |
86 | unsigned long raw_buf_phys; |
87 | int buffsize; |
88 | |
89 | /* |
90 | * Device state tables |
91 | */ |
92 | |
93 | unsigned long flags; |
94 | #define DMA_BUSY 0x00000001 |
95 | #define DMA_RESTART 0x00000002 |
96 | #define DMA_ACTIVE 0x00000004 |
97 | #define DMA_STARTED 0x00000008 |
98 | #define DMA_EMPTY 0x00000010 |
99 | #define DMA_ALLOC_DONE 0x00000020 |
100 | #define DMA_SYNCING 0x00000040 |
101 | #define DMA_DIRTY 0x00000080 |
102 | #define DMA_POST 0x00000100 |
103 | #define DMA_NODMA 0x00000200 |
104 | #define DMA_NOTIMEOUT 0x00000400 |
105 | |
106 | int open_mode; |
107 | |
108 | /* |
109 | * Queue parameters. |
110 | */ |
111 | int qlen; |
112 | int qhead; |
113 | int qtail; |
114 | spinlock_t lock; |
115 | |
116 | int cfrag; /* Current incomplete fragment (write) */ |
117 | |
118 | int nbufs; |
119 | int counts[MAX_SUB_BUFFERS]; |
120 | int subdivision; |
121 | |
122 | int fragment_size; |
123 | int needs_reorg; |
124 | int max_fragments; |
125 | |
126 | int bytes_in_use; |
127 | |
128 | int underrun_count; |
129 | unsigned long byte_counter; |
130 | unsigned long user_counter; |
131 | unsigned long max_byte_counter; |
132 | int data_rate; /* Bytes/second */ |
133 | |
134 | int mapping_flags; |
135 | #define DMA_MAP_MAPPED 0x00000001 |
136 | char neutral_byte; |
137 | int dma; /* DMA channel */ |
138 | |
139 | int applic_profile; /* Application profile (APF_*) */ |
140 | /* Interrupt callback stuff */ |
141 | void (*audio_callback) (int dev, int parm); |
142 | int callback_parm; |
143 | |
144 | int buf_flags[MAX_SUB_BUFFERS]; |
145 | #define BUFF_EOF 0x00000001 /* Increment eof count */ |
146 | #define BUFF_DIRTY 0x00000002 /* Buffer written */ |
147 | }; |
148 | |
149 | /* |
150 | * Structure for use with various microcontrollers and DSP processors |
151 | * in the recent sound cards. |
152 | */ |
153 | typedef struct coproc_operations |
154 | { |
155 | char name[64]; |
156 | struct module *owner; |
157 | int (*open) (void *devc, int sub_device); |
158 | void (*close) (void *devc, int sub_device); |
159 | int (*ioctl) (void *devc, unsigned int cmd, void __user * arg, int local); |
160 | void (*reset) (void *devc); |
161 | |
162 | void *devc; /* Driver specific info */ |
163 | } coproc_operations; |
164 | |
165 | struct audio_driver |
166 | { |
167 | struct module *owner; |
168 | int (*open) (int dev, int mode); |
169 | void (*close) (int dev); |
170 | void (*output_block) (int dev, unsigned long buf, |
171 | int count, int intrflag); |
172 | void (*start_input) (int dev, unsigned long buf, |
173 | int count, int intrflag); |
174 | int (*ioctl) (int dev, unsigned int cmd, void __user * arg); |
175 | int (*prepare_for_input) (int dev, int bufsize, int nbufs); |
176 | int (*prepare_for_output) (int dev, int bufsize, int nbufs); |
177 | void (*halt_io) (int dev); |
178 | int (*local_qlen)(int dev); |
179 | void (*copy_user) (int dev, |
180 | char *localbuf, int localoffs, |
181 | const char __user *userbuf, int useroffs, |
182 | int max_in, int max_out, |
183 | int *used, int *returned, |
184 | int len); |
185 | void (*halt_input) (int dev); |
186 | void (*halt_output) (int dev); |
187 | void (*trigger) (int dev, int bits); |
188 | int (*set_speed)(int dev, int speed); |
189 | unsigned int (*set_bits)(int dev, unsigned int bits); |
190 | short (*set_channels)(int dev, short channels); |
191 | void (*postprocess_write)(int dev); /* Device spesific postprocessing for written data */ |
192 | void (*preprocess_read)(int dev); /* Device spesific preprocessing for read data */ |
193 | void (*mmap)(int dev); |
194 | }; |
195 | |
196 | struct audio_operations |
197 | { |
198 | char name[128]; |
199 | int flags; |
200 | #define NOTHING_SPECIAL 0x00 |
201 | #define NEEDS_RESTART 0x01 |
202 | #define DMA_AUTOMODE 0x02 |
203 | #define DMA_DUPLEX 0x04 |
204 | #define DMA_PSEUDO_AUTOMODE 0x08 |
205 | #define DMA_HARDSTOP 0x10 |
206 | #define DMA_EXACT 0x40 |
207 | #define DMA_NORESET 0x80 |
208 | int format_mask; /* Bitmask for supported audio formats */ |
209 | void *devc; /* Driver specific info */ |
210 | struct audio_driver *d; |
211 | void *portc; /* Driver specific info */ |
212 | struct dma_buffparms *dmap_in, *dmap_out; |
213 | struct coproc_operations *coproc; |
214 | int mixer_dev; |
215 | int enable_bits; |
216 | int open_mode; |
217 | int go; |
218 | int min_fragment; /* 0 == unlimited */ |
219 | int max_fragment; /* 0 == unlimited */ |
220 | int parent_dev; /* 0 -> no parent, 1 to n -> parent=parent_dev+1 */ |
221 | |
222 | /* fields formerly in dmabuf.c */ |
223 | wait_queue_head_t in_sleeper; |
224 | wait_queue_head_t out_sleeper; |
225 | wait_queue_head_t poll_sleeper; |
226 | |
227 | /* fields formerly in audio.c */ |
228 | int audio_mode; |
229 | |
230 | #define AM_NONE 0 |
231 | #define AM_WRITE OPEN_WRITE |
232 | #define AM_READ OPEN_READ |
233 | |
234 | int local_format; |
235 | int audio_format; |
236 | int local_conversion; |
237 | #define CNV_MU_LAW 0x00000001 |
238 | |
239 | /* large structures at the end to keep offsets small */ |
240 | struct dma_buffparms dmaps[2]; |
241 | }; |
242 | |
243 | int *load_mixer_volumes(char *name, int *levels, int present); |
244 | |
245 | struct mixer_operations |
246 | { |
247 | struct module *owner; |
248 | char id[16]; |
249 | char name[64]; |
250 | int (*ioctl) (int dev, unsigned int cmd, void __user * arg); |
251 | |
252 | void *devc; |
253 | int modify_counter; |
254 | }; |
255 | |
256 | struct synth_operations |
257 | { |
258 | struct module *owner; |
259 | char *id; /* Unique identifier (ASCII) max 29 char */ |
260 | struct synth_info *info; |
261 | int midi_dev; |
262 | int synth_type; |
263 | int synth_subtype; |
264 | |
265 | int (*open) (int dev, int mode); |
266 | void (*close) (int dev); |
267 | int (*ioctl) (int dev, unsigned int cmd, void __user * arg); |
268 | int (*kill_note) (int dev, int voice, int note, int velocity); |
269 | int (*start_note) (int dev, int voice, int note, int velocity); |
270 | int (*set_instr) (int dev, int voice, int instr); |
271 | void (*reset) (int dev); |
272 | void (*hw_control) (int dev, unsigned char *event); |
273 | int (*load_patch) (int dev, int format, const char __user *addr, |
274 | int count, int pmgr_flag); |
275 | void (*aftertouch) (int dev, int voice, int pressure); |
276 | void (*controller) (int dev, int voice, int ctrl_num, int value); |
277 | void (*panning) (int dev, int voice, int value); |
278 | void (*volume_method) (int dev, int mode); |
279 | void (*bender) (int dev, int chn, int value); |
280 | int (*alloc_voice) (int dev, int chn, int note, struct voice_alloc_info *alloc); |
281 | void (*setup_voice) (int dev, int voice, int chn); |
282 | int (*send_sysex)(int dev, unsigned char *bytes, int len); |
283 | |
284 | struct voice_alloc_info alloc; |
285 | struct channel_info chn_info[16]; |
286 | int emulation; |
287 | #define EMU_GM 1 /* General MIDI */ |
288 | #define EMU_XG 2 /* Yamaha XG */ |
289 | #define MAX_SYSEX_BUF 64 |
290 | unsigned char sysex_buf[MAX_SYSEX_BUF]; |
291 | int sysex_ptr; |
292 | }; |
293 | |
294 | struct midi_input_info |
295 | { |
296 | /* MIDI input scanner variables */ |
297 | #define MI_MAX 10 |
298 | volatile int m_busy; |
299 | unsigned char m_buf[MI_MAX]; |
300 | unsigned char m_prev_status; /* For running status */ |
301 | int m_ptr; |
302 | #define MST_INIT 0 |
303 | #define MST_DATA 1 |
304 | #define MST_SYSEX 2 |
305 | int m_state; |
306 | int m_left; |
307 | }; |
308 | |
309 | struct midi_operations |
310 | { |
311 | struct module *owner; |
312 | struct midi_info info; |
313 | struct synth_operations *converter; |
314 | struct midi_input_info in_info; |
315 | int (*open) (int dev, int mode, |
316 | void (*inputintr)(int dev, unsigned char data), |
317 | void (*outputintr)(int dev) |
318 | ); |
319 | void (*close) (int dev); |
320 | int (*ioctl) (int dev, unsigned int cmd, void __user * arg); |
321 | int (*outputc) (int dev, unsigned char data); |
322 | int (*start_read) (int dev); |
323 | int (*end_read) (int dev); |
324 | void (*kick)(int dev); |
325 | int (*command) (int dev, unsigned char *data); |
326 | int (*buffer_status) (int dev); |
327 | int (*prefix_cmd) (int dev, unsigned char status); |
328 | struct coproc_operations *coproc; |
329 | void *devc; |
330 | }; |
331 | |
332 | struct sound_lowlev_timer |
333 | { |
334 | int dev; |
335 | int priority; |
336 | unsigned int (*tmr_start)(int dev, unsigned int usecs); |
337 | void (*tmr_disable)(int dev); |
338 | void (*tmr_restart)(int dev); |
339 | }; |
340 | |
341 | struct sound_timer_operations |
342 | { |
343 | struct module *owner; |
344 | struct sound_timer_info info; |
345 | int priority; |
346 | int devlink; |
347 | int (*open)(int dev, int mode); |
348 | void (*close)(int dev); |
349 | int (*event)(int dev, unsigned char *ev); |
350 | unsigned long (*get_time)(int dev); |
351 | int (*ioctl) (int dev, unsigned int cmd, void __user * arg); |
352 | void (*arm_timer)(int dev, long time); |
353 | }; |
354 | |
355 | extern struct sound_timer_operations default_sound_timer; |
356 | |
357 | extern struct audio_operations *audio_devs[MAX_AUDIO_DEV]; |
358 | extern int num_audiodevs; |
359 | extern struct mixer_operations *mixer_devs[MAX_MIXER_DEV]; |
360 | extern int num_mixers; |
361 | extern struct synth_operations *synth_devs[MAX_SYNTH_DEV+MAX_MIDI_DEV]; |
362 | extern int num_synths; |
363 | extern struct midi_operations *midi_devs[MAX_MIDI_DEV]; |
364 | extern int num_midis; |
365 | extern struct sound_timer_operations * sound_timer_devs[MAX_TIMER_DEV]; |
366 | extern int num_sound_timers; |
367 | |
368 | extern int sound_map_buffer (int dev, struct dma_buffparms *dmap, buffmem_desc *info); |
369 | void sound_timer_init (struct sound_lowlev_timer *t, char *name); |
370 | void sound_dma_intr (int dev, struct dma_buffparms *dmap, int chan); |
371 | |
372 | #define AUDIO_DRIVER_VERSION 2 |
373 | #define MIXER_DRIVER_VERSION 2 |
374 | int sound_install_audiodrv(int vers, char *name, struct audio_driver *driver, |
375 | int driver_size, int flags, unsigned int format_mask, |
376 | void *devc, int dma1, int dma2); |
377 | int sound_install_mixer(int vers, char *name, struct mixer_operations *driver, |
378 | int driver_size, void *devc); |
379 | |
380 | void sound_unload_audiodev(int dev); |
381 | void sound_unload_mixerdev(int dev); |
382 | void sound_unload_mididev(int dev); |
383 | void sound_unload_synthdev(int dev); |
384 | void sound_unload_timerdev(int dev); |
385 | int sound_alloc_mixerdev(void); |
386 | int sound_alloc_timerdev(void); |
387 | int sound_alloc_synthdev(void); |
388 | int sound_alloc_mididev(void); |
389 | #endif /* _DEV_TABLE_H_ */ |
390 | |
391 |
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