xref: /openbmc/linux/include/sound/gus.h (revision 7d12e780)
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 
188 /* GF1 specific structure */
189 
190 struct snd_gf1_bank_info {
191 	unsigned int address;
192 	unsigned int size;
193 };
194 
195 struct snd_gf1_mem_block {
196 	unsigned short flags;	/* flags - SNDRV_GF1_MEM_BLOCK_XXXX */
197 	unsigned short owner;	/* owner - SNDRV_GF1_MEM_OWNER_XXXX */
198 	unsigned int share;	/* share count */
199 	unsigned int share_id[4]; /* share ID */
200 	unsigned int ptr;
201 	unsigned int size;
202 	char *name;
203 	struct snd_gf1_mem_block *next;
204 	struct snd_gf1_mem_block *prev;
205 };
206 
207 struct snd_gf1_mem {
208 	struct snd_gf1_bank_info banks_8[4];
209 	struct snd_gf1_bank_info banks_16[4];
210 	struct snd_gf1_mem_block *first;
211 	struct snd_gf1_mem_block *last;
212 	struct mutex memory_mutex;
213 };
214 
215 struct snd_gf1_dma_block {
216 	void *buffer;		/* buffer in computer's RAM */
217 	unsigned long buf_addr;	/* buffer address */
218 	unsigned int addr;	/* address in onboard memory */
219 	unsigned int count;	/* count in bytes */
220 	unsigned int cmd;	/* DMA command (format) */
221 	void (*ack)(struct snd_gus_card * gus, void *private_data);
222 	void *private_data;
223 	struct snd_gf1_dma_block *next;
224 };
225 
226 struct snd_gus_port {
227 	struct snd_midi_channel_set * chset;
228 	struct snd_gus_card * gus;
229 	int mode;		/* operation mode */
230 	int client;		/* sequencer client number */
231 	int port;		/* sequencer port number */
232 	unsigned int midi_has_voices: 1;
233 };
234 
235 struct snd_gus_voice;
236 
237 struct snd_gus_sample_ops {
238 	void (*sample_start)(struct snd_gus_card *gus, struct snd_gus_voice *voice, snd_seq_position_t position);
239 	void (*sample_stop)(struct snd_gus_card *gus, struct snd_gus_voice *voice, int mode);
240 	void (*sample_freq)(struct snd_gus_card *gus, struct snd_gus_voice *voice, snd_seq_frequency_t freq);
241 	void (*sample_volume)(struct snd_gus_card *gus, struct snd_gus_voice *voice, struct snd_seq_ev_volume *volume);
242 	void (*sample_loop)(struct snd_gus_card *card, struct snd_gus_voice *voice, struct snd_seq_ev_loop *loop);
243 	void (*sample_pos)(struct snd_gus_card *card, struct snd_gus_voice *voice, snd_seq_position_t position);
244 	void (*sample_private1)(struct snd_gus_card *card, struct snd_gus_voice *voice, unsigned char *data);
245 };
246 
247 #define SNDRV_GF1_VOICE_TYPE_PCM	0
248 #define SNDRV_GF1_VOICE_TYPE_SYNTH 	1
249 #define SNDRV_GF1_VOICE_TYPE_MIDI	2
250 
251 #define SNDRV_GF1_VFLG_RUNNING		(1<<0)
252 #define SNDRV_GF1_VFLG_EFFECT_TIMER1	(1<<1)
253 #define SNDRV_GF1_VFLG_PAN		(1<<2)
254 
255 enum snd_gus_volume_state {
256 	VENV_BEFORE,
257 	VENV_ATTACK,
258 	VENV_SUSTAIN,
259 	VENV_RELEASE,
260 	VENV_DONE,
261 	VENV_VOLUME
262 };
263 
264 struct snd_gus_voice {
265 	int number;
266 	unsigned int use: 1,
267 	    pcm: 1,
268 	    synth:1,
269 	    midi: 1;
270 	unsigned int flags;
271 	unsigned char client;
272 	unsigned char port;
273 	unsigned char index;
274 	unsigned char pad;
275 
276 #ifdef CONFIG_SND_DEBUG
277 	unsigned int interrupt_stat_wave;
278 	unsigned int interrupt_stat_volume;
279 #endif
280 	void (*handler_wave) (struct snd_gus_card * gus, struct snd_gus_voice * voice);
281 	void (*handler_volume) (struct snd_gus_card * gus, struct snd_gus_voice * voice);
282 	void (*handler_effect) (struct snd_gus_card * gus, struct snd_gus_voice * voice);
283 	void (*volume_change) (struct snd_gus_card * gus);
284 
285 	struct snd_gus_sample_ops *sample_ops;
286 
287 	struct snd_seq_instr instr;
288 
289 	/* running status / registers */
290 
291 	struct snd_seq_ev_volume sample_volume;
292 
293 	unsigned short fc_register;
294 	unsigned short fc_lfo;
295 	unsigned short gf1_volume;
296 	unsigned char control;
297 	unsigned char mode;
298 	unsigned char gf1_pan;
299 	unsigned char effect_accumulator;
300 	unsigned char volume_control;
301 	unsigned char venv_value_next;
302 	enum snd_gus_volume_state venv_state;
303 	enum snd_gus_volume_state venv_state_prev;
304 	unsigned short vlo;
305 	unsigned short vro;
306 	unsigned short gf1_effect_volume;
307 
308 	/* --- */
309 
310 	void *private_data;
311 	void (*private_free)(struct snd_gus_voice *voice);
312 };
313 
314 struct snd_gf1 {
315 
316 	unsigned int enh_mode:1,	/* enhanced mode (GFA1) */
317 		     hw_lfo:1,		/* use hardware LFO */
318 		     sw_lfo:1,		/* use software LFO */
319 		     effect:1;		/* use effect voices */
320 
321 	unsigned long port;		/* port of GF1 chip */
322 	struct resource *res_port1;
323 	struct resource *res_port2;
324 	int irq;			/* IRQ number */
325 	int dma1;			/* DMA1 number */
326 	int dma2;			/* DMA2 number */
327 	unsigned int memory;		/* GUS's DRAM size in bytes */
328 	unsigned int rom_memory;	/* GUS's ROM size in bytes */
329 	unsigned int rom_present;	/* bitmask */
330 	unsigned int rom_banks;		/* GUS's ROM banks */
331 
332 	struct snd_gf1_mem mem_alloc;
333 
334 	/* registers */
335 	unsigned short reg_page;
336 	unsigned short reg_regsel;
337 	unsigned short reg_data8;
338 	unsigned short reg_data16;
339 	unsigned short reg_irqstat;
340 	unsigned short reg_dram;
341 	unsigned short reg_timerctrl;
342 	unsigned short reg_timerdata;
343 	unsigned char ics_regs[6][2];
344 	/* --------- */
345 
346 	unsigned char active_voices;	/* active voices */
347 	unsigned char active_voice;	/* selected voice (GF1PAGE register) */
348 
349 	struct snd_gus_voice voices[32];	/* GF1 voices */
350 
351 	unsigned int default_voice_address;
352 
353 	unsigned short playback_freq;	/* GF1 playback (mixing) frequency */
354 	unsigned short mode;		/* see to SNDRV_GF1_MODE_XXXX */
355 	unsigned char volume_ramp;
356 	unsigned char smooth_pan;
357 	unsigned char full_range_pan;
358 	unsigned char pad0;
359 
360 	unsigned char *lfos;
361 
362 	/* interrupt handlers */
363 
364 	void (*interrupt_handler_midi_out) (struct snd_gus_card * gus);
365 	void (*interrupt_handler_midi_in) (struct snd_gus_card * gus);
366 	void (*interrupt_handler_timer1) (struct snd_gus_card * gus);
367 	void (*interrupt_handler_timer2) (struct snd_gus_card * gus);
368 	void (*interrupt_handler_dma_write) (struct snd_gus_card * gus);
369 	void (*interrupt_handler_dma_read) (struct snd_gus_card * gus);
370 
371 #ifdef CONFIG_SND_DEBUG
372 	unsigned int interrupt_stat_midi_out;
373 	unsigned int interrupt_stat_midi_in;
374 	unsigned int interrupt_stat_timer1;
375 	unsigned int interrupt_stat_timer2;
376 	unsigned int interrupt_stat_dma_write;
377 	unsigned int interrupt_stat_dma_read;
378 	unsigned int interrupt_stat_voice_lost;
379 #endif
380 
381 	/* synthesizer */
382 
383 	int seq_client;
384 	struct snd_gus_port seq_ports[4];
385 	struct snd_seq_kinstr_list *ilist;
386 	struct snd_iwffff_ops iwffff_ops;
387 	struct snd_gf1_ops gf1_ops;
388 	struct snd_simple_ops simple_ops;
389 
390 	/* timer */
391 
392 	unsigned short timer_enabled;
393 	struct snd_timer *timer1;
394 	struct snd_timer *timer2;
395 
396 	/* midi */
397 
398 	unsigned short uart_cmd;
399 	unsigned int uart_framing;
400 	unsigned int uart_overrun;
401 
402 	/* dma operations */
403 
404 	unsigned int dma_flags;
405 	unsigned int dma_shared;
406 	struct snd_gf1_dma_block *dma_data_pcm;
407 	struct snd_gf1_dma_block *dma_data_pcm_last;
408 	struct snd_gf1_dma_block *dma_data_synth;
409 	struct snd_gf1_dma_block *dma_data_synth_last;
410 	void (*dma_ack)(struct snd_gus_card * gus, void *private_data);
411 	void *dma_private_data;
412 
413 	/* pcm */
414 	int pcm_channels;
415 	int pcm_alloc_voices;
416         unsigned short pcm_volume_level_left;
417 	unsigned short pcm_volume_level_right;
418 	unsigned short pcm_volume_level_left1;
419 	unsigned short pcm_volume_level_right1;
420 
421 	unsigned char pcm_rcntrl_reg;
422 	unsigned char pad_end;
423 };
424 
425 /* main structure for GUS card */
426 
427 struct snd_gus_card {
428 	struct snd_card *card;
429 
430 	unsigned int
431 	 initialized: 1,		/* resources were initialized */
432 	 equal_irq:1,			/* GF1 and CODEC shares IRQ (GUS MAX only) */
433 	 equal_dma:1,			/* if dma channels are equal (not valid for daughter board) */
434 	 ics_flag:1,			/* have we ICS mixer chip */
435 	 ics_flipped:1,			/* ICS mixer have flipped some channels? */
436 	 codec_flag:1,			/* have we CODEC chip? */
437 	 max_flag:1,			/* have we GUS MAX card? */
438 	 max_ctrl_flag:1,		/* have we original GUS MAX card? */
439 	 daughter_flag:1,		/* have we daughter board? */
440 	 interwave:1,			/* hey - we have InterWave card */
441 	 ess_flag:1,			/* ESS chip found... GUS Extreme */
442 	 ace_flag:1,			/* GUS ACE detected */
443 	 uart_enable:1;			/* enable MIDI UART */
444 	unsigned short revision;	/* revision of chip */
445 	unsigned short max_cntrl_val;	/* GUS MAX control value */
446 	unsigned short mix_cntrl_reg;	/* mixer control register */
447 	unsigned short joystick_dac;	/* joystick DAC level */
448 	int timer_dev;			/* timer device */
449 
450 	struct snd_gf1 gf1;	/* gf1 specific variables */
451 	struct snd_pcm *pcm;
452 	struct snd_pcm_substream *pcm_cap_substream;
453 	unsigned int c_dma_size;
454 	unsigned int c_period_size;
455 	unsigned int c_pos;
456 
457 	struct snd_rawmidi *midi_uart;
458 	struct snd_rawmidi_substream *midi_substream_output;
459 	struct snd_rawmidi_substream *midi_substream_input;
460 
461 	struct snd_seq_device *seq_dev;
462 
463 	spinlock_t reg_lock;
464 	spinlock_t voice_alloc;
465 	spinlock_t active_voice_lock;
466 	spinlock_t event_lock;
467 	spinlock_t dma_lock;
468 	spinlock_t pcm_volume_level_lock;
469 	spinlock_t uart_cmd_lock;
470 	struct mutex dma_mutex;
471 	struct mutex register_mutex;
472 };
473 
474 /* I/O functions for GF1/InterWave chip - gus_io.c */
475 
476 static inline void snd_gf1_select_voice(struct snd_gus_card * gus, int voice)
477 {
478 	unsigned long flags;
479 
480 	spin_lock_irqsave(&gus->active_voice_lock, flags);
481 	if (voice != gus->gf1.active_voice) {
482 		gus->gf1.active_voice = voice;
483 		outb(voice, GUSP(gus, GF1PAGE));
484 	}
485 	spin_unlock_irqrestore(&gus->active_voice_lock, flags);
486 }
487 
488 static inline void snd_gf1_uart_cmd(struct snd_gus_card * gus, unsigned char b)
489 {
490 	outb(gus->gf1.uart_cmd = b, GUSP(gus, MIDICTRL));
491 }
492 
493 static inline unsigned char snd_gf1_uart_stat(struct snd_gus_card * gus)
494 {
495 	return inb(GUSP(gus, MIDISTAT));
496 }
497 
498 static inline void snd_gf1_uart_put(struct snd_gus_card * gus, unsigned char b)
499 {
500 	outb(b, GUSP(gus, MIDIDATA));
501 }
502 
503 static inline unsigned char snd_gf1_uart_get(struct snd_gus_card * gus)
504 {
505 	return inb(GUSP(gus, MIDIDATA));
506 }
507 
508 extern void snd_gf1_delay(struct snd_gus_card * gus);
509 
510 extern void snd_gf1_ctrl_stop(struct snd_gus_card * gus, unsigned char reg);
511 
512 extern void snd_gf1_write8(struct snd_gus_card * gus, unsigned char reg, unsigned char data);
513 extern unsigned char snd_gf1_look8(struct snd_gus_card * gus, unsigned char reg);
514 static inline unsigned char snd_gf1_read8(struct snd_gus_card * gus, unsigned char reg)
515 {
516 	return snd_gf1_look8(gus, reg | 0x80);
517 }
518 extern void snd_gf1_write16(struct snd_gus_card * gus, unsigned char reg, unsigned int data);
519 extern unsigned short snd_gf1_look16(struct snd_gus_card * gus, unsigned char reg);
520 static inline unsigned short snd_gf1_read16(struct snd_gus_card * gus, unsigned char reg)
521 {
522 	return snd_gf1_look16(gus, reg | 0x80);
523 }
524 extern void snd_gf1_adlib_write(struct snd_gus_card * gus, unsigned char reg, unsigned char data);
525 extern void snd_gf1_dram_addr(struct snd_gus_card * gus, unsigned int addr);
526 extern void snd_gf1_poke(struct snd_gus_card * gus, unsigned int addr, unsigned char data);
527 extern unsigned char snd_gf1_peek(struct snd_gus_card * gus, unsigned int addr);
528 extern void snd_gf1_write_addr(struct snd_gus_card * gus, unsigned char reg, unsigned int addr, short w_16bit);
529 extern unsigned int snd_gf1_read_addr(struct snd_gus_card * gus, unsigned char reg, short w_16bit);
530 extern void snd_gf1_i_ctrl_stop(struct snd_gus_card * gus, unsigned char reg);
531 extern void snd_gf1_i_write8(struct snd_gus_card * gus, unsigned char reg, unsigned char data);
532 extern unsigned char snd_gf1_i_look8(struct snd_gus_card * gus, unsigned char reg);
533 extern void snd_gf1_i_write16(struct snd_gus_card * gus, unsigned char reg, unsigned int data);
534 static inline unsigned char snd_gf1_i_read8(struct snd_gus_card * gus, unsigned char reg)
535 {
536 	return snd_gf1_i_look8(gus, reg | 0x80);
537 }
538 extern unsigned short snd_gf1_i_look16(struct snd_gus_card * gus, unsigned char reg);
539 static inline unsigned short snd_gf1_i_read16(struct snd_gus_card * gus, unsigned char reg)
540 {
541 	return snd_gf1_i_look16(gus, reg | 0x80);
542 }
543 
544 extern void snd_gf1_select_active_voices(struct snd_gus_card * gus);
545 
546 /* gus_lfo.c */
547 
548 struct _SND_IW_LFO_PROGRAM {
549 	unsigned short freq_and_control;
550 	unsigned char depth_final;
551 	unsigned char depth_inc;
552 	unsigned short twave;
553 	unsigned short depth;
554 };
555 
556 #if 0
557 extern irqreturn_t snd_gf1_lfo_effect_interrupt(struct snd_gus_card * gus, snd_gf1_voice_t * voice);
558 #endif
559 extern void snd_gf1_lfo_init(struct snd_gus_card * gus);
560 extern void snd_gf1_lfo_done(struct snd_gus_card * gus);
561 extern void snd_gf1_lfo_program(struct snd_gus_card * gus, int voice, int lfo_type, struct _SND_IW_LFO_PROGRAM *program);
562 extern void snd_gf1_lfo_enable(struct snd_gus_card * gus, int voice, int lfo_type);
563 extern void snd_gf1_lfo_disable(struct snd_gus_card * gus, int voice, int lfo_type);
564 extern void snd_gf1_lfo_change_freq(struct snd_gus_card * gus, int voice, int lfo_type, int freq);
565 extern void snd_gf1_lfo_change_depth(struct snd_gus_card * gus, int voice, int lfo_type, int depth);
566 extern void snd_gf1_lfo_setup(struct snd_gus_card * gus, int voice, int lfo_type, int freq, int current_depth, int depth, int sweep, int shape);
567 extern void snd_gf1_lfo_shutdown(struct snd_gus_card * gus, int voice, int lfo_type);
568 #if 0
569 extern void snd_gf1_lfo_command(struct snd_gus_card * gus, int voice, unsigned char *command);
570 #endif
571 
572 /* gus_mem.c */
573 
574 void snd_gf1_mem_lock(struct snd_gf1_mem * alloc, int xup);
575 int snd_gf1_mem_xfree(struct snd_gf1_mem * alloc, struct snd_gf1_mem_block * block);
576 struct snd_gf1_mem_block *snd_gf1_mem_alloc(struct snd_gf1_mem * alloc, int owner,
577 				       char *name, int size, int w_16,
578 				       int align, unsigned int *share_id);
579 int snd_gf1_mem_free(struct snd_gf1_mem * alloc, unsigned int address);
580 int snd_gf1_mem_free_owner(struct snd_gf1_mem * alloc, int owner);
581 int snd_gf1_mem_init(struct snd_gus_card * gus);
582 int snd_gf1_mem_done(struct snd_gus_card * gus);
583 
584 /* gus_mem_proc.c */
585 
586 int snd_gf1_mem_proc_init(struct snd_gus_card * gus);
587 
588 /* gus_dma.c */
589 
590 int snd_gf1_dma_init(struct snd_gus_card * gus);
591 int snd_gf1_dma_done(struct snd_gus_card * gus);
592 int snd_gf1_dma_transfer_block(struct snd_gus_card * gus,
593 			       struct snd_gf1_dma_block * block,
594 			       int atomic,
595 			       int synth);
596 
597 /* gus_volume.c */
598 
599 unsigned short snd_gf1_lvol_to_gvol_raw(unsigned int vol);
600 unsigned short snd_gf1_translate_freq(struct snd_gus_card * gus, unsigned int freq2);
601 
602 /* gus_reset.c */
603 
604 void snd_gf1_set_default_handlers(struct snd_gus_card * gus, unsigned int what);
605 void snd_gf1_smart_stop_voice(struct snd_gus_card * gus, unsigned short voice);
606 void snd_gf1_stop_voice(struct snd_gus_card * gus, unsigned short voice);
607 void snd_gf1_stop_voices(struct snd_gus_card * gus, unsigned short v_min, unsigned short v_max);
608 struct snd_gus_voice *snd_gf1_alloc_voice(struct snd_gus_card * gus, int type, int client, int port);
609 void snd_gf1_free_voice(struct snd_gus_card * gus, struct snd_gus_voice *voice);
610 int snd_gf1_start(struct snd_gus_card * gus);
611 int snd_gf1_stop(struct snd_gus_card * gus);
612 
613 /* gus_mixer.c */
614 
615 int snd_gf1_new_mixer(struct snd_gus_card * gus);
616 
617 /* gus_pcm.c */
618 
619 int snd_gf1_pcm_new(struct snd_gus_card * gus, int pcm_dev, int control_index, struct snd_pcm ** rpcm);
620 
621 #ifdef CONFIG_SND_DEBUG
622 extern void snd_gf1_print_voice_registers(struct snd_gus_card * gus);
623 #endif
624 
625 /* gus.c */
626 
627 int snd_gus_use_inc(struct snd_gus_card * gus);
628 void snd_gus_use_dec(struct snd_gus_card * gus);
629 int snd_gus_create(struct snd_card *card,
630 		   unsigned long port,
631 		   int irq, int dma1, int dma2,
632 		   int timer_dev,
633 		   int voices,
634 		   int pcm_channels,
635 		   int effect,
636 		   struct snd_gus_card ** rgus);
637 int snd_gus_initialize(struct snd_gus_card * gus);
638 
639 /* gus_irq.c */
640 
641 irqreturn_t snd_gus_interrupt(int irq, void *dev_id);
642 #ifdef CONFIG_SND_DEBUG
643 void snd_gus_irq_profile_init(struct snd_gus_card *gus);
644 #endif
645 
646 /* gus_uart.c */
647 
648 int snd_gf1_rawmidi_new(struct snd_gus_card * gus, int device, struct snd_rawmidi **rrawmidi);
649 
650 #if 0
651 extern void snd_engine_instrument_register(unsigned short mode,
652 		struct _SND_INSTRUMENT_VOICE_COMMANDS *voice_cmds,
653 		struct _SND_INSTRUMENT_NOTE_COMMANDS *note_cmds,
654 	      	struct _SND_INSTRUMENT_CHANNEL_COMMANDS *channel_cmds);
655 extern int snd_engine_instrument_register_ask(unsigned short mode);
656 #endif
657 
658 /* gus_dram.c */
659 int snd_gus_dram_write(struct snd_gus_card *gus, char __user *ptr,
660 		       unsigned int addr, unsigned int size);
661 int snd_gus_dram_read(struct snd_gus_card *gus, char __user *ptr,
662 		      unsigned int addr, unsigned int size, int rom);
663 
664 #if defined(CONFIG_SND_SEQUENCER) || defined(CONFIG_SND_SEQUENCER_MODULE)
665 
666 /* gus_sample.c */
667 void snd_gus_sample_event(struct snd_seq_event *ev, struct snd_gus_port *p);
668 
669 /* gus_simple.c */
670 void snd_gf1_simple_init(struct snd_gus_voice *voice);
671 
672 /* gus_instr.c */
673 int snd_gus_iwffff_put_sample(void *private_data, struct iwffff_wave *wave,
674 			      char __user *data, long len, int atomic);
675 int snd_gus_iwffff_get_sample(void *private_data, struct iwffff_wave *wave,
676 			      char __user *data, long len, int atomic);
677 int snd_gus_iwffff_remove_sample(void *private_data, struct iwffff_wave *wave,
678 				 int atomic);
679 int snd_gus_gf1_put_sample(void *private_data, struct gf1_wave *wave,
680 			   char __user *data, long len, int atomic);
681 int snd_gus_gf1_get_sample(void *private_data, struct gf1_wave *wave,
682 			   char __user *data, long len, int atomic);
683 int snd_gus_gf1_remove_sample(void *private_data, struct gf1_wave *wave,
684 			      int atomic);
685 int snd_gus_simple_put_sample(void *private_data, struct simple_instrument *instr,
686 			      char __user *data, long len, int atomic);
687 int snd_gus_simple_get_sample(void *private_data, struct simple_instrument *instr,
688 			      char __user *data, long len, int atomic);
689 int snd_gus_simple_remove_sample(void *private_data, struct simple_instrument *instr,
690 				 int atomic);
691 
692 #endif /* CONFIG_SND_SEQUENCER */
693 
694 #endif /* __SOUND_GUS_H */
695