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Linux v2.6.15-rc6
[pohmelfs.git] / include / sound / gus.h
blob7000d9d9199d4575dab94b9726c711272122652c
1 #ifndef __SOUND_GUS_H
2 #define __SOUND_GUS_H
3
4 /*
5 * Global structures used for GUS part of ALSA driver
6 * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
7 *
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 *
23 */
24
25 #include "pcm.h"
26 #include "rawmidi.h"
27 #include "timer.h"
28 #include "seq_midi_emul.h"
29 #include "seq_device.h"
30 #include "ainstr_iw.h"
31 #include "ainstr_gf1.h"
32 #include "ainstr_simple.h"
33 #include <asm/io.h>
34
35 #define SNDRV_SEQ_DEV_ID_GUS "gus-synth"
36
37 /* IO ports */
38
39 #define GUSP(gus, x) ((gus)->gf1.port + SNDRV_g_u_s_##x)
40
41 #define SNDRV_g_u_s_MIDICTRL (0x320-0x220)
42 #define SNDRV_g_u_s_MIDISTAT (0x320-0x220)
43 #define SNDRV_g_u_s_MIDIDATA (0x321-0x220)
44
45 #define SNDRV_g_u_s_GF1PAGE (0x322-0x220)
46 #define SNDRV_g_u_s_GF1REGSEL (0x323-0x220)
47 #define SNDRV_g_u_s_GF1DATALOW (0x324-0x220)
48 #define SNDRV_g_u_s_GF1DATAHIGH (0x325-0x220)
49 #define SNDRV_g_u_s_IRQSTAT (0x226-0x220)
50 #define SNDRV_g_u_s_TIMERCNTRL (0x228-0x220)
51 #define SNDRV_g_u_s_TIMERDATA (0x229-0x220)
52 #define SNDRV_g_u_s_DRAM (0x327-0x220)
53 #define SNDRV_g_u_s_MIXCNTRLREG (0x220-0x220)
54 #define SNDRV_g_u_s_IRQDMACNTRLREG (0x22b-0x220)
55 #define SNDRV_g_u_s_REGCNTRLS (0x22f-0x220)
56 #define SNDRV_g_u_s_BOARDVERSION (0x726-0x220)
57 #define SNDRV_g_u_s_MIXCNTRLPORT (0x726-0x220)
58 #define SNDRV_g_u_s_IVER (0x325-0x220)
59 #define SNDRV_g_u_s_MIXDATAPORT (0x326-0x220)
60 #define SNDRV_g_u_s_MAXCNTRLPORT (0x326-0x220)
61
62 /* GF1 registers */
63
64 /* global registers */
65 #define SNDRV_GF1_GB_ACTIVE_VOICES 0x0e
66 #define SNDRV_GF1_GB_VOICES_IRQ 0x0f
67 #define SNDRV_GF1_GB_GLOBAL_MODE 0x19
68 #define SNDRV_GF1_GW_LFO_BASE 0x1a
69 #define SNDRV_GF1_GB_VOICES_IRQ_READ 0x1f
70 #define SNDRV_GF1_GB_DRAM_DMA_CONTROL 0x41
71 #define SNDRV_GF1_GW_DRAM_DMA_LOW 0x42
72 #define SNDRV_GF1_GW_DRAM_IO_LOW 0x43
73 #define SNDRV_GF1_GB_DRAM_IO_HIGH 0x44
74 #define SNDRV_GF1_GB_SOUND_BLASTER_CONTROL 0x45
75 #define SNDRV_GF1_GB_ADLIB_TIMER_1 0x46
76 #define SNDRV_GF1_GB_ADLIB_TIMER_2 0x47
77 #define SNDRV_GF1_GB_RECORD_RATE 0x48
78 #define SNDRV_GF1_GB_REC_DMA_CONTROL 0x49
79 #define SNDRV_GF1_GB_JOYSTICK_DAC_LEVEL 0x4b
80 #define SNDRV_GF1_GB_RESET 0x4c
81 #define SNDRV_GF1_GB_DRAM_DMA_HIGH 0x50
82 #define SNDRV_GF1_GW_DRAM_IO16 0x51
83 #define SNDRV_GF1_GW_MEMORY_CONFIG 0x52
84 #define SNDRV_GF1_GB_MEMORY_CONTROL 0x53
85 #define SNDRV_GF1_GW_FIFO_RECORD_BASE_ADDR 0x54
86 #define SNDRV_GF1_GW_FIFO_PLAY_BASE_ADDR 0x55
87 #define SNDRV_GF1_GW_FIFO_SIZE 0x56
88 #define SNDRV_GF1_GW_INTERLEAVE 0x57
89 #define SNDRV_GF1_GB_COMPATIBILITY 0x59
90 #define SNDRV_GF1_GB_DECODE_CONTROL 0x5a
91 #define SNDRV_GF1_GB_VERSION_NUMBER 0x5b
92 #define SNDRV_GF1_GB_MPU401_CONTROL_A 0x5c
93 #define SNDRV_GF1_GB_MPU401_CONTROL_B 0x5d
94 #define SNDRV_GF1_GB_EMULATION_IRQ 0x60
95 /* voice specific registers */
96 #define SNDRV_GF1_VB_ADDRESS_CONTROL 0x00
97 #define SNDRV_GF1_VW_FREQUENCY 0x01
98 #define SNDRV_GF1_VW_START_HIGH 0x02
99 #define SNDRV_GF1_VW_START_LOW 0x03
100 #define SNDRV_GF1_VA_START SNDRV_GF1_VW_START_HIGH
101 #define SNDRV_GF1_VW_END_HIGH 0x04
102 #define SNDRV_GF1_VW_END_LOW 0x05
103 #define SNDRV_GF1_VA_END SNDRV_GF1_VW_END_HIGH
104 #define SNDRV_GF1_VB_VOLUME_RATE 0x06
105 #define SNDRV_GF1_VB_VOLUME_START 0x07
106 #define SNDRV_GF1_VB_VOLUME_END 0x08
107 #define SNDRV_GF1_VW_VOLUME 0x09
108 #define SNDRV_GF1_VW_CURRENT_HIGH 0x0a
109 #define SNDRV_GF1_VW_CURRENT_LOW 0x0b
110 #define SNDRV_GF1_VA_CURRENT SNDRV_GF1_VW_CURRENT_HIGH
111 #define SNDRV_GF1_VB_PAN 0x0c
112 #define SNDRV_GF1_VW_OFFSET_RIGHT 0x0c
113 #define SNDRV_GF1_VB_VOLUME_CONTROL 0x0d
114 #define SNDRV_GF1_VB_UPPER_ADDRESS 0x10
115 #define SNDRV_GF1_VW_EFFECT_HIGH 0x11
116 #define SNDRV_GF1_VW_EFFECT_LOW 0x12
117 #define SNDRV_GF1_VA_EFFECT SNDRV_GF1_VW_EFFECT_HIGH
118 #define SNDRV_GF1_VW_OFFSET_LEFT 0x13
119 #define SNDRV_GF1_VB_ACCUMULATOR 0x14
120 #define SNDRV_GF1_VB_MODE 0x15
121 #define SNDRV_GF1_VW_EFFECT_VOLUME 0x16
122 #define SNDRV_GF1_VB_FREQUENCY_LFO 0x17
123 #define SNDRV_GF1_VB_VOLUME_LFO 0x18
124 #define SNDRV_GF1_VW_OFFSET_RIGHT_FINAL 0x1b
125 #define SNDRV_GF1_VW_OFFSET_LEFT_FINAL 0x1c
126 #define SNDRV_GF1_VW_EFFECT_VOLUME_FINAL 0x1d
127
128 /* ICS registers */
129
130 #define SNDRV_ICS_MIC_DEV 0
131 #define SNDRV_ICS_LINE_DEV 1
132 #define SNDRV_ICS_CD_DEV 2
133 #define SNDRV_ICS_GF1_DEV 3
134 #define SNDRV_ICS_NONE_DEV 4
135 #define SNDRV_ICS_MASTER_DEV 5
136
137 /* LFO */
138
139 #define SNDRV_LFO_TREMOLO 0
140 #define SNDRV_LFO_VIBRATO 1
141
142 /* misc */
143
144 #define SNDRV_GF1_DMA_UNSIGNED 0x80
145 #define SNDRV_GF1_DMA_16BIT 0x40
146 #define SNDRV_GF1_DMA_IRQ 0x20
147 #define SNDRV_GF1_DMA_WIDTH16 0x04
148 #define SNDRV_GF1_DMA_READ 0x02 /* read from GUS's DRAM */
149 #define SNDRV_GF1_DMA_ENABLE 0x01
150
151 /* ramp ranges */
152
153 #define SNDRV_GF1_ATTEN(x) (snd_gf1_atten_table[x])
154 #define SNDRV_GF1_MIN_VOLUME 1800
155 #define SNDRV_GF1_MAX_VOLUME 4095
156 #define SNDRV_GF1_MIN_OFFSET (SNDRV_GF1_MIN_VOLUME>>4)
157 #define SNDRV_GF1_MAX_OFFSET 255
158 #define SNDRV_GF1_MAX_TDEPTH 90
159
160 /* defines for memory manager */
161
162 #define SNDRV_GF1_MEM_BLOCK_16BIT 0x0001
163
164 #define SNDRV_GF1_MEM_OWNER_DRIVER 0x0001
165 #define SNDRV_GF1_MEM_OWNER_WAVE_SIMPLE 0x0002
166 #define SNDRV_GF1_MEM_OWNER_WAVE_GF1 0x0003
167 #define SNDRV_GF1_MEM_OWNER_WAVE_IWFFFF 0x0004
168
169 /* constants for interrupt handlers */
170
171 #define SNDRV_GF1_HANDLER_MIDI_OUT 0x00010000
172 #define SNDRV_GF1_HANDLER_MIDI_IN 0x00020000
173 #define SNDRV_GF1_HANDLER_TIMER1 0x00040000
174 #define SNDRV_GF1_HANDLER_TIMER2 0x00080000
175 #define SNDRV_GF1_HANDLER_VOICE 0x00100000
176 #define SNDRV_GF1_HANDLER_DMA_WRITE 0x00200000
177 #define SNDRV_GF1_HANDLER_DMA_READ 0x00400000
178 #define SNDRV_GF1_HANDLER_ALL (0xffff0000&~SNDRV_GF1_HANDLER_VOICE)
179
180 /* constants for DMA flags */
181
182 #define SNDRV_GF1_DMA_TRIGGER 1
183
184 /* --- */
185
186 struct _snd_gus_card;
187 typedef struct _snd_gus_card snd_gus_card_t;
188
189 /* GF1 specific structure */
190
191 typedef struct _snd_gf1_bank_info {
192 unsigned int address;
193 unsigned int size;
194 } snd_gf1_bank_info_t;
195
196 typedef struct _snd_gf1_mem_block {
197 unsigned short flags; /* flags - SNDRV_GF1_MEM_BLOCK_XXXX */
198 unsigned short owner; /* owner - SNDRV_GF1_MEM_OWNER_XXXX */
199 unsigned int share; /* share count */
200 unsigned int share_id[4]; /* share ID */
201 unsigned int ptr;
202 unsigned int size;
203 char *name;
204 struct _snd_gf1_mem_block *next;
205 struct _snd_gf1_mem_block *prev;
206 } snd_gf1_mem_block_t;
207
208 typedef struct _snd_gf1_mem {
209 snd_gf1_bank_info_t banks_8[4];
210 snd_gf1_bank_info_t banks_16[4];
211 snd_gf1_mem_block_t *first;
212 snd_gf1_mem_block_t *last;
213 struct semaphore memory_mutex;
214 } snd_gf1_mem_t;
215
216 typedef struct snd_gf1_dma_block {
217 void *buffer; /* buffer in computer's RAM */
218 unsigned long buf_addr; /* buffer address */
219 unsigned int addr; /* address in onboard memory */
220 unsigned int count; /* count in bytes */
221 unsigned int cmd; /* DMA command (format) */
222 void (*ack)(snd_gus_card_t * gus, void *private_data);
223 void *private_data;
224 struct snd_gf1_dma_block *next;
225 } snd_gf1_dma_block_t;
226
227 typedef struct {
228 snd_midi_channel_set_t * chset;
229 snd_gus_card_t * gus;
230 int mode; /* operation mode */
231 int client; /* sequencer client number */
232 int port; /* sequencer port number */
233 unsigned int midi_has_voices: 1;
234 } snd_gus_port_t;
235
236 typedef struct _snd_gus_voice snd_gus_voice_t;
237
238 typedef struct {
239 void (*sample_start)(snd_gus_card_t *gus, snd_gus_voice_t *voice, snd_seq_position_t position);
240 void (*sample_stop)(snd_gus_card_t *gus, snd_gus_voice_t *voice, snd_seq_stop_mode_t mode);
241 void (*sample_freq)(snd_gus_card_t *gus, snd_gus_voice_t *voice, snd_seq_frequency_t freq);
242 void (*sample_volume)(snd_gus_card_t *gus, snd_gus_voice_t *voice, snd_seq_ev_volume_t *volume);
243 void (*sample_loop)(snd_gus_card_t *card, snd_gus_voice_t *voice, snd_seq_ev_loop_t *loop);
244 void (*sample_pos)(snd_gus_card_t *card, snd_gus_voice_t *voice, snd_seq_position_t position);
245 void (*sample_private1)(snd_gus_card_t *card, snd_gus_voice_t *voice, unsigned char *data);
246 } snd_gus_sample_ops_t;
247
248 #define SNDRV_GF1_VOICE_TYPE_PCM 0
249 #define SNDRV_GF1_VOICE_TYPE_SYNTH 1
250 #define SNDRV_GF1_VOICE_TYPE_MIDI 2
251
252 #define SNDRV_GF1_VFLG_RUNNING (1<<0)
253 #define SNDRV_GF1_VFLG_EFFECT_TIMER1 (1<<1)
254 #define SNDRV_GF1_VFLG_PAN (1<<2)
255
256 typedef enum {
257 VENV_BEFORE,
258 VENV_ATTACK,
259 VENV_SUSTAIN,
260 VENV_RELEASE,
261 VENV_DONE,
262 VENV_VOLUME
263 } snd_gus_volume_state_t;
264
265 struct _snd_gus_voice {
266 int number;
267 unsigned int use: 1,
268 pcm: 1,
269 synth:1,
270 midi: 1;
271 unsigned int flags;
272 unsigned char client;
273 unsigned char port;
274 unsigned char index;
275 unsigned char pad;
276
277 #ifdef CONFIG_SND_DEBUG
278 unsigned int interrupt_stat_wave;
279 unsigned int interrupt_stat_volume;
280 #endif
281 void (*handler_wave) (snd_gus_card_t * gus, snd_gus_voice_t * voice);
282 void (*handler_volume) (snd_gus_card_t * gus, snd_gus_voice_t * voice);
283 void (*handler_effect) (snd_gus_card_t * gus, snd_gus_voice_t * voice);
284 void (*volume_change) (snd_gus_card_t * gus);
285
286 snd_gus_sample_ops_t *sample_ops;
287
288 snd_seq_instr_t instr;
289
290 /* running status / registers */
291
292 snd_seq_ev_volume_t sample_volume;
293
294 unsigned short fc_register;
295 unsigned short fc_lfo;
296 unsigned short gf1_volume;
297 unsigned char control;
298 unsigned char mode;
299 unsigned char gf1_pan;
300 unsigned char effect_accumulator;
301 unsigned char volume_control;
302 unsigned char venv_value_next;
303 snd_gus_volume_state_t venv_state;
304 snd_gus_volume_state_t venv_state_prev;
305 unsigned short vlo;
306 unsigned short vro;
307 unsigned short gf1_effect_volume;
308
309 /* --- */
310
311 void *private_data;
312 void (*private_free)(snd_gus_voice_t *voice);
313 };
314
315 struct _snd_gf1 {
316
317 unsigned int enh_mode:1, /* enhanced mode (GFA1) */
318 hw_lfo:1, /* use hardware LFO */
319 sw_lfo:1, /* use software LFO */
320 effect:1; /* use effect voices */
321
322 unsigned long port; /* port of GF1 chip */
323 struct resource *res_port1;
324 struct resource *res_port2;
325 int irq; /* IRQ number */
326 int dma1; /* DMA1 number */
327 int dma2; /* DMA2 number */
328 unsigned int memory; /* GUS's DRAM size in bytes */
329 unsigned int rom_memory; /* GUS's ROM size in bytes */
330 unsigned int rom_present; /* bitmask */
331 unsigned int rom_banks; /* GUS's ROM banks */
332
333 snd_gf1_mem_t mem_alloc;
334
335 /* registers */
336 unsigned short reg_page;
337 unsigned short reg_regsel;
338 unsigned short reg_data8;
339 unsigned short reg_data16;
340 unsigned short reg_irqstat;
341 unsigned short reg_dram;
342 unsigned short reg_timerctrl;
343 unsigned short reg_timerdata;
344 unsigned char ics_regs[6][2];
345 /* --------- */
346
347 unsigned char active_voices; /* active voices */
348 unsigned char active_voice; /* selected voice (GF1PAGE register) */
349
350 snd_gus_voice_t voices[32]; /* GF1 voices */
351
352 unsigned int default_voice_address;
353
354 unsigned short playback_freq; /* GF1 playback (mixing) frequency */
355 unsigned short mode; /* see to SNDRV_GF1_MODE_XXXX */
356 unsigned char volume_ramp;
357 unsigned char smooth_pan;
358 unsigned char full_range_pan;
359 unsigned char pad0;
360
361 unsigned char *lfos;
362
363 /* interrupt handlers */
364
365 void (*interrupt_handler_midi_out) (snd_gus_card_t * gus);
366 void (*interrupt_handler_midi_in) (snd_gus_card_t * gus);
367 void (*interrupt_handler_timer1) (snd_gus_card_t * gus);
368 void (*interrupt_handler_timer2) (snd_gus_card_t * gus);
369 void (*interrupt_handler_dma_write) (snd_gus_card_t * gus);
370 void (*interrupt_handler_dma_read) (snd_gus_card_t * gus);
371
372 #ifdef CONFIG_SND_DEBUG
373 unsigned int interrupt_stat_midi_out;
374 unsigned int interrupt_stat_midi_in;
375 unsigned int interrupt_stat_timer1;
376 unsigned int interrupt_stat_timer2;
377 unsigned int interrupt_stat_dma_write;
378 unsigned int interrupt_stat_dma_read;
379 unsigned int interrupt_stat_voice_lost;
380 #endif
381
382 /* synthesizer */
383
384 int seq_client;
385 snd_gus_port_t seq_ports[4];
386 snd_seq_kinstr_list_t *ilist;
387 snd_iwffff_ops_t iwffff_ops;
388 snd_gf1_ops_t gf1_ops;
389 snd_simple_ops_t simple_ops;
390
391 /* timer */
392
393 unsigned short timer_enabled;
394 snd_timer_t *timer1;
395 snd_timer_t *timer2;
396
397 /* midi */
398
399 unsigned short uart_cmd;
400 unsigned int uart_framing;
401 unsigned int uart_overrun;
402
403 /* dma operations */
404
405 unsigned int dma_flags;
406 unsigned int dma_shared;
407 snd_gf1_dma_block_t *dma_data_pcm;
408 snd_gf1_dma_block_t *dma_data_pcm_last;
409 snd_gf1_dma_block_t *dma_data_synth;
410 snd_gf1_dma_block_t *dma_data_synth_last;
411 void (*dma_ack)(snd_gus_card_t * gus, void *private_data);
412 void *dma_private_data;
413
414 /* pcm */
415 int pcm_channels;
416 int pcm_alloc_voices;
417 unsigned short pcm_volume_level_left;
418 unsigned short pcm_volume_level_right;
419 unsigned short pcm_volume_level_left1;
420 unsigned short pcm_volume_level_right1;
421
422 unsigned char pcm_rcntrl_reg;
423 unsigned char pad_end;
424 };
425
426 /* main structure for GUS card */
427
428 struct _snd_gus_card {
429 snd_card_t *card;
430
431 unsigned int
432 initialized: 1, /* resources were initialized */
433 equal_irq:1, /* GF1 and CODEC shares IRQ (GUS MAX only) */
434 equal_dma:1, /* if dma channels are equal (not valid for daughter board) */
435 ics_flag:1, /* have we ICS mixer chip */
436 ics_flipped:1, /* ICS mixer have flipped some channels? */
437 codec_flag:1, /* have we CODEC chip? */
438 max_flag:1, /* have we GUS MAX card? */
439 max_ctrl_flag:1, /* have we original GUS MAX card? */
440 daughter_flag:1, /* have we daughter board? */
441 interwave:1, /* hey - we have InterWave card */
442 ess_flag:1, /* ESS chip found... GUS Extreme */
443 ace_flag:1, /* GUS ACE detected */
444 uart_enable:1; /* enable MIDI UART */
445 unsigned short revision; /* revision of chip */
446 unsigned short max_cntrl_val; /* GUS MAX control value */
447 unsigned short mix_cntrl_reg; /* mixer control register */
448 unsigned short joystick_dac; /* joystick DAC level */
449 int timer_dev; /* timer device */
450
451 struct _snd_gf1 gf1; /* gf1 specific variables */
452 snd_pcm_t *pcm;
453 snd_pcm_substream_t *pcm_cap_substream;
454 unsigned int c_dma_size;
455 unsigned int c_period_size;
456 unsigned int c_pos;
457
458 snd_rawmidi_t *midi_uart;
459 snd_rawmidi_substream_t *midi_substream_output;
460 snd_rawmidi_substream_t *midi_substream_input;
461
462 snd_seq_device_t *seq_dev;
463
464 spinlock_t reg_lock;
465 spinlock_t voice_alloc;
466 spinlock_t active_voice_lock;
467 spinlock_t event_lock;
468 spinlock_t dma_lock;
469 spinlock_t pcm_volume_level_lock;
470 spinlock_t uart_cmd_lock;
471 struct semaphore dma_mutex;
472 struct semaphore register_mutex;
473 };
474
475 /* I/O functions for GF1/InterWave chip - gus_io.c */
476
477 static inline void snd_gf1_select_voice(snd_gus_card_t * gus, int voice)
478 {
479 unsigned long flags;
480
481 spin_lock_irqsave(&gus->active_voice_lock, flags);
482 if (voice != gus->gf1.active_voice) {
483 gus->gf1.active_voice = voice;
484 outb(voice, GUSP(gus, GF1PAGE));
485 }
486 spin_unlock_irqrestore(&gus->active_voice_lock, flags);
487 }
488
489 static inline void snd_gf1_uart_cmd(snd_gus_card_t * gus, unsigned char b)
490 {
491 outb(gus->gf1.uart_cmd = b, GUSP(gus, MIDICTRL));
492 }
493
494 static inline unsigned char snd_gf1_uart_stat(snd_gus_card_t * gus)
495 {
496 return inb(GUSP(gus, MIDISTAT));
497 }
498
499 static inline void snd_gf1_uart_put(snd_gus_card_t * gus, unsigned char b)
500 {
501 outb(b, GUSP(gus, MIDIDATA));
502 }
503
504 static inline unsigned char snd_gf1_uart_get(snd_gus_card_t * gus)
505 {
506 return inb(GUSP(gus, MIDIDATA));
507 }
508
509 extern void snd_gf1_delay(snd_gus_card_t * gus);
510
511 extern void snd_gf1_ctrl_stop(snd_gus_card_t * gus, unsigned char reg);
512
513 extern void snd_gf1_write8(snd_gus_card_t * gus, unsigned char reg, unsigned char data);
514 extern unsigned char snd_gf1_look8(snd_gus_card_t * gus, unsigned char reg);
515 static inline unsigned char snd_gf1_read8(snd_gus_card_t * gus, unsigned char reg)
516 {
517 return snd_gf1_look8(gus, reg | 0x80);
518 }
519 extern void snd_gf1_write16(snd_gus_card_t * gus, unsigned char reg, unsigned int data);
520 extern unsigned short snd_gf1_look16(snd_gus_card_t * gus, unsigned char reg);
521 static inline unsigned short snd_gf1_read16(snd_gus_card_t * gus, unsigned char reg)
522 {
523 return snd_gf1_look16(gus, reg | 0x80);
524 }
525 extern void snd_gf1_adlib_write(snd_gus_card_t * gus, unsigned char reg, unsigned char data);
526 extern void snd_gf1_dram_addr(snd_gus_card_t * gus, unsigned int addr);
527 extern void snd_gf1_poke(snd_gus_card_t * gus, unsigned int addr, unsigned char data);
528 extern unsigned char snd_gf1_peek(snd_gus_card_t * gus, unsigned int addr);
529 extern void snd_gf1_write_addr(snd_gus_card_t * gus, unsigned char reg, unsigned int addr, short w_16bit);
530 extern unsigned int snd_gf1_read_addr(snd_gus_card_t * gus, unsigned char reg, short w_16bit);
531 extern void snd_gf1_i_ctrl_stop(snd_gus_card_t * gus, unsigned char reg);
532 extern void snd_gf1_i_write8(snd_gus_card_t * gus, unsigned char reg, unsigned char data);
533 extern unsigned char snd_gf1_i_look8(snd_gus_card_t * gus, unsigned char reg);
534 extern void snd_gf1_i_write16(snd_gus_card_t * gus, unsigned char reg, unsigned int data);
535 static inline unsigned char snd_gf1_i_read8(snd_gus_card_t * gus, unsigned char reg)
536 {
537 return snd_gf1_i_look8(gus, reg | 0x80);
538 }
539 extern unsigned short snd_gf1_i_look16(snd_gus_card_t * gus, unsigned char reg);
540 static inline unsigned short snd_gf1_i_read16(snd_gus_card_t * gus, unsigned char reg)
541 {
542 return snd_gf1_i_look16(gus, reg | 0x80);
543 }
544
545 extern void snd_gf1_select_active_voices(snd_gus_card_t * gus);
546
547 /* gus_lfo.c */
548
549 struct _SND_IW_LFO_PROGRAM {
550 unsigned short freq_and_control;
551 unsigned char depth_final;
552 unsigned char depth_inc;
553 unsigned short twave;
554 unsigned short depth;
555 };
556
557 #if 0
558 extern irqreturn_t snd_gf1_lfo_effect_interrupt(snd_gus_card_t * gus, snd_gf1_voice_t * voice);
559 #endif
560 extern void snd_gf1_lfo_init(snd_gus_card_t * gus);
561 extern void snd_gf1_lfo_done(snd_gus_card_t * gus);
562 extern void snd_gf1_lfo_program(snd_gus_card_t * gus, int voice, int lfo_type, struct _SND_IW_LFO_PROGRAM *program);
563 extern void snd_gf1_lfo_enable(snd_gus_card_t * gus, int voice, int lfo_type);
564 extern void snd_gf1_lfo_disable(snd_gus_card_t * gus, int voice, int lfo_type);
565 extern void snd_gf1_lfo_change_freq(snd_gus_card_t * gus, int voice, int lfo_type, int freq);
566 extern void snd_gf1_lfo_change_depth(snd_gus_card_t * gus, int voice, int lfo_type, int depth);
567 extern void snd_gf1_lfo_setup(snd_gus_card_t * gus, int voice, int lfo_type, int freq, int current_depth, int depth, int sweep, int shape);
568 extern void snd_gf1_lfo_shutdown(snd_gus_card_t * gus, int voice, int lfo_type);
569 #if 0
570 extern void snd_gf1_lfo_command(snd_gus_card_t * gus, int voice, unsigned char *command);
571 #endif
572
573 /* gus_mem.c */
574
575 void snd_gf1_mem_lock(snd_gf1_mem_t * alloc, int xup);
576 int snd_gf1_mem_xfree(snd_gf1_mem_t * alloc, snd_gf1_mem_block_t * block);
577 snd_gf1_mem_block_t *snd_gf1_mem_alloc(snd_gf1_mem_t * alloc, int owner,
578 char *name, int size, int w_16,
579 int align, unsigned int *share_id);
580 int snd_gf1_mem_free(snd_gf1_mem_t * alloc, unsigned int address);
581 int snd_gf1_mem_free_owner(snd_gf1_mem_t * alloc, int owner);
582 int snd_gf1_mem_init(snd_gus_card_t * gus);
583 int snd_gf1_mem_done(snd_gus_card_t * gus);
584
585 /* gus_mem_proc.c */
586
587 int snd_gf1_mem_proc_init(snd_gus_card_t * gus);
588
589 /* gus_dma.c */
590
591 int snd_gf1_dma_init(snd_gus_card_t * gus);
592 int snd_gf1_dma_done(snd_gus_card_t * gus);
593 int snd_gf1_dma_transfer_block(snd_gus_card_t * gus,
594 snd_gf1_dma_block_t * block,
595 int atomic,
596 int synth);
597
598 /* gus_volume.c */
599
600 unsigned short snd_gf1_lvol_to_gvol_raw(unsigned int vol);
601 unsigned short snd_gf1_translate_freq(snd_gus_card_t * gus, unsigned int freq2);
602
603 /* gus_reset.c */
604
605 void snd_gf1_set_default_handlers(snd_gus_card_t * gus, unsigned int what);
606 void snd_gf1_smart_stop_voice(snd_gus_card_t * gus, unsigned short voice);
607 void snd_gf1_stop_voice(snd_gus_card_t * gus, unsigned short voice);
608 void snd_gf1_stop_voices(snd_gus_card_t * gus, unsigned short v_min, unsigned short v_max);
609 snd_gus_voice_t *snd_gf1_alloc_voice(snd_gus_card_t * gus, int type, int client, int port);
610 void snd_gf1_free_voice(snd_gus_card_t * gus, snd_gus_voice_t *voice);
611 int snd_gf1_start(snd_gus_card_t * gus);
612 int snd_gf1_stop(snd_gus_card_t * gus);
613
614 /* gus_mixer.c */
615
616 int snd_gf1_new_mixer(snd_gus_card_t * gus);
617
618 /* gus_pcm.c */
619
620 int snd_gf1_pcm_new(snd_gus_card_t * gus, int pcm_dev, int control_index, snd_pcm_t ** rpcm);
621
622 #ifdef CONFIG_SND_DEBUG
623 extern void snd_gf1_print_voice_registers(snd_gus_card_t * gus);
624 #endif
625
626 /* gus.c */
627
628 int snd_gus_use_inc(snd_gus_card_t * gus);
629 void snd_gus_use_dec(snd_gus_card_t * gus);
630 int snd_gus_create(snd_card_t * card,
631 unsigned long port,
632 int irq, int dma1, int dma2,
633 int timer_dev,
634 int voices,
635 int pcm_channels,
636 int effect,
637 snd_gus_card_t ** rgus);
638 int snd_gus_initialize(snd_gus_card_t * gus);
639
640 /* gus_irq.c */
641
642 irqreturn_t snd_gus_interrupt(int irq, void *dev_id, struct pt_regs *regs);
643 #ifdef CONFIG_SND_DEBUG
644 void snd_gus_irq_profile_init(snd_gus_card_t *gus);
645 #endif
646
647 /* gus_uart.c */
648
649 int snd_gf1_rawmidi_new(snd_gus_card_t * gus, int device, snd_rawmidi_t **rrawmidi);
650
651 #if 0
652 extern void snd_engine_instrument_register(unsigned short mode,
653 struct _SND_INSTRUMENT_VOICE_COMMANDS *voice_cmds,
654 struct _SND_INSTRUMENT_NOTE_COMMANDS *note_cmds,
655 struct _SND_INSTRUMENT_CHANNEL_COMMANDS *channel_cmds);
656 extern int snd_engine_instrument_register_ask(unsigned short mode);
657 #endif
658
659 /* gus_dram.c */
660 int snd_gus_dram_write(snd_gus_card_t *gus, char __user *ptr,
661 unsigned int addr, unsigned int size);
662 int snd_gus_dram_read(snd_gus_card_t *gus, char __user *ptr,
663 unsigned int addr, unsigned int size, int rom);
664
665 #if defined(CONFIG_SND_SEQUENCER) || defined(CONFIG_SND_SEQUENCER_MODULE)
666
667 /* gus_sample.c */
668 void snd_gus_sample_event(snd_seq_event_t *ev, snd_gus_port_t *p);
669
670 /* gus_simple.c */
671 void snd_gf1_simple_init(snd_gus_voice_t *voice);
672
673 /* gus_instr.c */
674 int snd_gus_iwffff_put_sample(void *private_data, iwffff_wave_t *wave,
675 char __user *data, long len, int atomic);
676 int snd_gus_iwffff_get_sample(void *private_data, iwffff_wave_t *wave,
677 char __user *data, long len, int atomic);
678 int snd_gus_iwffff_remove_sample(void *private_data, iwffff_wave_t *wave,
679 int atomic);
680 int snd_gus_gf1_put_sample(void *private_data, gf1_wave_t *wave,
681 char __user *data, long len, int atomic);
682 int snd_gus_gf1_get_sample(void *private_data, gf1_wave_t *wave,
683 char __user *data, long len, int atomic);
684 int snd_gus_gf1_remove_sample(void *private_data, gf1_wave_t *wave,
685 int atomic);
686 int snd_gus_simple_put_sample(void *private_data, simple_instrument_t *instr,
687 char __user *data, long len, int atomic);
688 int snd_gus_simple_get_sample(void *private_data, simple_instrument_t *instr,
689 char __user *data, long len, int atomic);
690 int snd_gus_simple_remove_sample(void *private_data, simple_instrument_t *instr,
691 int atomic);
692
693 #endif /* CONFIG_SND_SEQUENCER */
694
695 #endif /* __SOUND_GUS_H */