bb12e9fab8a7cb0fad6d2b25c5b1a9e47b4f5c7a
[linux-2.6.git] / include / sound / gus.h
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 */