Linux-2.6.12-rc2
[linux-2.6.git] / sound / isa / gus / gus_io.c
1 /*
2  *  Copyright (c) by Jaroslav Kysela <perex@suse.cz>
3  *  I/O routines for GF1/InterWave synthesizer chips
4  *
5  *
6  *   This program is free software; you can redistribute it and/or modify
7  *   it under the terms of the GNU General Public License as published by
8  *   the Free Software Foundation; either version 2 of the License, or
9  *   (at your option) any later version.
10  *
11  *   This program is distributed in the hope that it will be useful,
12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *   GNU General Public License for more details.
15  *
16  *   You should have received a copy of the GNU General Public License
17  *   along with this program; if not, write to the Free Software
18  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
19  *
20  */
21
22 #include <sound/driver.h>
23 #include <linux/delay.h>
24 #include <linux/time.h>
25 #include <sound/core.h>
26 #include <sound/gus.h>
27
28 void snd_gf1_delay(snd_gus_card_t * gus)
29 {
30         int i;
31
32         for (i = 0; i < 6; i++) {
33                 mb();
34                 inb(GUSP(gus, DRAM));
35         }
36 }
37
38 /*
39  *  =======================================================================
40  */
41
42 /*
43  *  ok.. stop of control registers (wave & ramp) need some special things..
44  *       big UltraClick (tm) elimination...
45  */
46
47 static inline void __snd_gf1_ctrl_stop(snd_gus_card_t * gus, unsigned char reg)
48 {
49         unsigned char value;
50
51         outb(reg | 0x80, gus->gf1.reg_regsel);
52         mb();
53         value = inb(gus->gf1.reg_data8);
54         mb();
55         outb(reg, gus->gf1.reg_regsel);
56         mb();
57         outb((value | 0x03) & ~(0x80 | 0x20), gus->gf1.reg_data8);
58         mb();
59 }
60
61 static inline void __snd_gf1_write8(snd_gus_card_t * gus,
62                                     unsigned char reg,
63                                     unsigned char data)
64 {
65         outb(reg, gus->gf1.reg_regsel);
66         mb();
67         outb(data, gus->gf1.reg_data8);
68         mb();
69 }
70
71 static inline unsigned char __snd_gf1_look8(snd_gus_card_t * gus,
72                                             unsigned char reg)
73 {
74         outb(reg, gus->gf1.reg_regsel);
75         mb();
76         return inb(gus->gf1.reg_data8);
77 }
78
79 static inline void __snd_gf1_write16(snd_gus_card_t * gus,
80                                      unsigned char reg, unsigned int data)
81 {
82         outb(reg, gus->gf1.reg_regsel);
83         mb();
84         outw((unsigned short) data, gus->gf1.reg_data16);
85         mb();
86 }
87
88 static inline unsigned short __snd_gf1_look16(snd_gus_card_t * gus,
89                                               unsigned char reg)
90 {
91         outb(reg, gus->gf1.reg_regsel);
92         mb();
93         return inw(gus->gf1.reg_data16);
94 }
95
96 static inline void __snd_gf1_adlib_write(snd_gus_card_t * gus,
97                                          unsigned char reg, unsigned char data)
98 {
99         outb(reg, gus->gf1.reg_timerctrl);
100         inb(gus->gf1.reg_timerctrl);
101         inb(gus->gf1.reg_timerctrl);
102         outb(data, gus->gf1.reg_timerdata);
103         inb(gus->gf1.reg_timerctrl);
104         inb(gus->gf1.reg_timerctrl);
105 }
106
107 static inline void __snd_gf1_write_addr(snd_gus_card_t * gus, unsigned char reg,
108                                         unsigned int addr, int w_16bit)
109 {
110         if (gus->gf1.enh_mode) {
111                 if (w_16bit)
112                         addr = ((addr >> 1) & ~0x0000000f) | (addr & 0x0000000f);
113                 __snd_gf1_write8(gus, SNDRV_GF1_VB_UPPER_ADDRESS, (unsigned char) ((addr >> 26) & 0x03));
114         } else if (w_16bit)
115                 addr = (addr & 0x00c0000f) | ((addr & 0x003ffff0) >> 1);
116         __snd_gf1_write16(gus, reg, (unsigned short) (addr >> 11));
117         __snd_gf1_write16(gus, reg + 1, (unsigned short) (addr << 5));
118 }
119
120 static inline unsigned int __snd_gf1_read_addr(snd_gus_card_t * gus,
121                                                unsigned char reg, short w_16bit)
122 {
123         unsigned int res;
124
125         res = ((unsigned int) __snd_gf1_look16(gus, reg | 0x80) << 11) & 0xfff800;
126         res |= ((unsigned int) __snd_gf1_look16(gus, (reg + 1) | 0x80) >> 5) & 0x0007ff;
127         if (gus->gf1.enh_mode) {
128                 res |= (unsigned int) __snd_gf1_look8(gus, SNDRV_GF1_VB_UPPER_ADDRESS | 0x80) << 26;
129                 if (w_16bit)
130                         res = ((res << 1) & 0xffffffe0) | (res & 0x0000000f);
131         } else if (w_16bit)
132                 res = ((res & 0x001ffff0) << 1) | (res & 0x00c0000f);
133         return res;
134 }
135
136
137 /*
138  *  =======================================================================
139  */
140
141 void snd_gf1_ctrl_stop(snd_gus_card_t * gus, unsigned char reg)
142 {
143         __snd_gf1_ctrl_stop(gus, reg);
144 }
145
146 void snd_gf1_write8(snd_gus_card_t * gus,
147                     unsigned char reg,
148                     unsigned char data)
149 {
150         __snd_gf1_write8(gus, reg, data);
151 }
152
153 unsigned char snd_gf1_look8(snd_gus_card_t * gus, unsigned char reg)
154 {
155         return __snd_gf1_look8(gus, reg);
156 }
157
158 void snd_gf1_write16(snd_gus_card_t * gus,
159                      unsigned char reg,
160                      unsigned int data)
161 {
162         __snd_gf1_write16(gus, reg, data);
163 }
164
165 unsigned short snd_gf1_look16(snd_gus_card_t * gus, unsigned char reg)
166 {
167         return __snd_gf1_look16(gus, reg);
168 }
169
170 void snd_gf1_adlib_write(snd_gus_card_t * gus,
171                          unsigned char reg,
172                          unsigned char data)
173 {
174         __snd_gf1_adlib_write(gus, reg, data);
175 }
176
177 void snd_gf1_write_addr(snd_gus_card_t * gus, unsigned char reg,
178                         unsigned int addr, short w_16bit)
179 {
180         __snd_gf1_write_addr(gus, reg, addr, w_16bit);
181 }
182
183 unsigned int snd_gf1_read_addr(snd_gus_card_t * gus,
184                                unsigned char reg,
185                                short w_16bit)
186 {
187         return __snd_gf1_read_addr(gus, reg, w_16bit);
188 }
189
190 /*
191
192  */
193
194 void snd_gf1_i_ctrl_stop(snd_gus_card_t * gus, unsigned char reg)
195 {
196         unsigned long flags;
197
198         spin_lock_irqsave(&gus->reg_lock, flags);
199         __snd_gf1_ctrl_stop(gus, reg);
200         spin_unlock_irqrestore(&gus->reg_lock, flags);
201 }
202
203 void snd_gf1_i_write8(snd_gus_card_t * gus,
204                       unsigned char reg,
205                       unsigned char data)
206 {
207         unsigned long flags;
208
209         spin_lock_irqsave(&gus->reg_lock, flags);
210         __snd_gf1_write8(gus, reg, data);
211         spin_unlock_irqrestore(&gus->reg_lock, flags);
212 }
213
214 unsigned char snd_gf1_i_look8(snd_gus_card_t * gus, unsigned char reg)
215 {
216         unsigned long flags;
217         unsigned char res;
218
219         spin_lock_irqsave(&gus->reg_lock, flags);
220         res = __snd_gf1_look8(gus, reg);
221         spin_unlock_irqrestore(&gus->reg_lock, flags);
222         return res;
223 }
224
225 void snd_gf1_i_write16(snd_gus_card_t * gus,
226                        unsigned char reg,
227                        unsigned int data)
228 {
229         unsigned long flags;
230
231         spin_lock_irqsave(&gus->reg_lock, flags);
232         __snd_gf1_write16(gus, reg, data);
233         spin_unlock_irqrestore(&gus->reg_lock, flags);
234 }
235
236 unsigned short snd_gf1_i_look16(snd_gus_card_t * gus, unsigned char reg)
237 {
238         unsigned long flags;
239         unsigned short res;
240
241         spin_lock_irqsave(&gus->reg_lock, flags);
242         res = __snd_gf1_look16(gus, reg);
243         spin_unlock_irqrestore(&gus->reg_lock, flags);
244         return res;
245 }
246
247 void snd_gf1_i_adlib_write(snd_gus_card_t * gus,
248                            unsigned char reg,
249                            unsigned char data)
250 {
251         unsigned long flags;
252
253         spin_lock_irqsave(&gus->reg_lock, flags);
254         __snd_gf1_adlib_write(gus, reg, data);
255         spin_unlock_irqrestore(&gus->reg_lock, flags);
256 }
257
258 void snd_gf1_i_write_addr(snd_gus_card_t * gus, unsigned char reg,
259                           unsigned int addr, short w_16bit)
260 {
261         unsigned long flags;
262
263         spin_lock_irqsave(&gus->reg_lock, flags);
264         __snd_gf1_write_addr(gus, reg, addr, w_16bit);
265         spin_unlock_irqrestore(&gus->reg_lock, flags);
266 }
267
268 unsigned int snd_gf1_i_read_addr(snd_gus_card_t * gus,
269                                  unsigned char reg, short w_16bit)
270 {
271         unsigned int res;
272         unsigned long flags;
273
274         spin_lock_irqsave(&gus->reg_lock, flags);
275         res = __snd_gf1_read_addr(gus, reg, w_16bit);
276         spin_unlock_irqrestore(&gus->reg_lock, flags);
277         return res;
278 }
279
280 /*
281
282  */
283
284 void snd_gf1_dram_addr(snd_gus_card_t * gus, unsigned int addr)
285 {
286         outb(0x43, gus->gf1.reg_regsel);
287         mb();
288         outw((unsigned short) addr, gus->gf1.reg_data16);
289         mb();
290         outb(0x44, gus->gf1.reg_regsel);
291         mb();
292         outb((unsigned char) (addr >> 16), gus->gf1.reg_data8);
293         mb();
294 }
295
296 void snd_gf1_poke(snd_gus_card_t * gus, unsigned int addr, unsigned char data)
297 {
298         unsigned long flags;
299
300         spin_lock_irqsave(&gus->reg_lock, flags);
301         outb(SNDRV_GF1_GW_DRAM_IO_LOW, gus->gf1.reg_regsel);
302         mb();
303         outw((unsigned short) addr, gus->gf1.reg_data16);
304         mb();
305         outb(SNDRV_GF1_GB_DRAM_IO_HIGH, gus->gf1.reg_regsel);
306         mb();
307         outb((unsigned char) (addr >> 16), gus->gf1.reg_data8);
308         mb();
309         outb(data, gus->gf1.reg_dram);
310         spin_unlock_irqrestore(&gus->reg_lock, flags);
311 }
312
313 unsigned char snd_gf1_peek(snd_gus_card_t * gus, unsigned int addr)
314 {
315         unsigned long flags;
316         unsigned char res;
317
318         spin_lock_irqsave(&gus->reg_lock, flags);
319         outb(SNDRV_GF1_GW_DRAM_IO_LOW, gus->gf1.reg_regsel);
320         mb();
321         outw((unsigned short) addr, gus->gf1.reg_data16);
322         mb();
323         outb(SNDRV_GF1_GB_DRAM_IO_HIGH, gus->gf1.reg_regsel);
324         mb();
325         outb((unsigned char) (addr >> 16), gus->gf1.reg_data8);
326         mb();
327         res = inb(gus->gf1.reg_dram);
328         spin_unlock_irqrestore(&gus->reg_lock, flags);
329         return res;
330 }
331
332 void snd_gf1_pokew(snd_gus_card_t * gus, unsigned int addr, unsigned short data)
333 {
334         unsigned long flags;
335
336 #ifdef CONFIG_SND_DEBUG
337         if (!gus->interwave)
338                 snd_printk("snd_gf1_pokew - GF1!!!\n");
339 #endif
340         spin_lock_irqsave(&gus->reg_lock, flags);
341         outb(SNDRV_GF1_GW_DRAM_IO_LOW, gus->gf1.reg_regsel);
342         mb();
343         outw((unsigned short) addr, gus->gf1.reg_data16);
344         mb();
345         outb(SNDRV_GF1_GB_DRAM_IO_HIGH, gus->gf1.reg_regsel);
346         mb();
347         outb((unsigned char) (addr >> 16), gus->gf1.reg_data8);
348         mb();
349         outb(SNDRV_GF1_GW_DRAM_IO16, gus->gf1.reg_regsel);
350         mb();
351         outw(data, gus->gf1.reg_data16);
352         spin_unlock_irqrestore(&gus->reg_lock, flags);
353 }
354
355 unsigned short snd_gf1_peekw(snd_gus_card_t * gus, unsigned int addr)
356 {
357         unsigned long flags;
358         unsigned short res;
359
360 #ifdef CONFIG_SND_DEBUG
361         if (!gus->interwave)
362                 snd_printk("snd_gf1_peekw - GF1!!!\n");
363 #endif
364         spin_lock_irqsave(&gus->reg_lock, flags);
365         outb(SNDRV_GF1_GW_DRAM_IO_LOW, gus->gf1.reg_regsel);
366         mb();
367         outw((unsigned short) addr, gus->gf1.reg_data16);
368         mb();
369         outb(SNDRV_GF1_GB_DRAM_IO_HIGH, gus->gf1.reg_regsel);
370         mb();
371         outb((unsigned char) (addr >> 16), gus->gf1.reg_data8);
372         mb();
373         outb(SNDRV_GF1_GW_DRAM_IO16, gus->gf1.reg_regsel);
374         mb();
375         res = inw(gus->gf1.reg_data16);
376         spin_unlock_irqrestore(&gus->reg_lock, flags);
377         return res;
378 }
379
380 void snd_gf1_dram_setmem(snd_gus_card_t * gus, unsigned int addr,
381                          unsigned short value, unsigned int count)
382 {
383         unsigned long port;
384         unsigned long flags;
385
386 #ifdef CONFIG_SND_DEBUG
387         if (!gus->interwave)
388                 snd_printk("snd_gf1_dram_setmem - GF1!!!\n");
389 #endif
390         addr &= ~1;
391         count >>= 1;
392         port = GUSP(gus, GF1DATALOW);
393         spin_lock_irqsave(&gus->reg_lock, flags);
394         outb(SNDRV_GF1_GW_DRAM_IO_LOW, gus->gf1.reg_regsel);
395         mb();
396         outw((unsigned short) addr, gus->gf1.reg_data16);
397         mb();
398         outb(SNDRV_GF1_GB_DRAM_IO_HIGH, gus->gf1.reg_regsel);
399         mb();
400         outb((unsigned char) (addr >> 16), gus->gf1.reg_data8);
401         mb();
402         outb(SNDRV_GF1_GW_DRAM_IO16, gus->gf1.reg_regsel);
403         while (count--)
404                 outw(value, port);
405         spin_unlock_irqrestore(&gus->reg_lock, flags);
406 }
407
408 /*
409
410  */
411
412 void snd_gf1_select_active_voices(snd_gus_card_t * gus)
413 {
414         unsigned short voices;
415
416         static unsigned short voices_tbl[32 - 14 + 1] =
417         {
418             44100, 41160, 38587, 36317, 34300, 32494, 30870, 29400, 28063, 26843,
419             25725, 24696, 23746, 22866, 22050, 21289, 20580, 19916, 19293
420         };
421
422         voices = gus->gf1.active_voices;
423         if (voices > 32)
424                 voices = 32;
425         if (voices < 14)
426                 voices = 14;
427         if (gus->gf1.enh_mode)
428                 voices = 32;
429         gus->gf1.active_voices = voices;
430         gus->gf1.playback_freq =
431             gus->gf1.enh_mode ? 44100 : voices_tbl[voices - 14];
432         if (!gus->gf1.enh_mode) {
433                 snd_gf1_i_write8(gus, SNDRV_GF1_GB_ACTIVE_VOICES, 0xc0 | (voices - 1));
434                 udelay(100);
435         }
436 }
437
438 #ifdef CONFIG_SND_DEBUG
439
440 void snd_gf1_print_voice_registers(snd_gus_card_t * gus)
441 {
442         unsigned char mode;
443         int voice, ctrl;
444
445         voice = gus->gf1.active_voice;
446         printk(" -%i- GF1  voice ctrl, ramp ctrl  = 0x%x, 0x%x\n", voice, ctrl = snd_gf1_i_read8(gus, 0), snd_gf1_i_read8(gus, 0x0d));
447         printk(" -%i- GF1  frequency              = 0x%x\n", voice, snd_gf1_i_read16(gus, 1));
448         printk(" -%i- GF1  loop start, end        = 0x%x (0x%x), 0x%x (0x%x)\n", voice, snd_gf1_i_read_addr(gus, 2, ctrl & 4), snd_gf1_i_read_addr(gus, 2, (ctrl & 4) ^ 4), snd_gf1_i_read_addr(gus, 4, ctrl & 4), snd_gf1_i_read_addr(gus, 4, (ctrl & 4) ^ 4));
449         printk(" -%i- GF1  ramp start, end, rate  = 0x%x, 0x%x, 0x%x\n", voice, snd_gf1_i_read8(gus, 7), snd_gf1_i_read8(gus, 8), snd_gf1_i_read8(gus, 6));
450         printk(" -%i- GF1  volume                 = 0x%x\n", voice, snd_gf1_i_read16(gus, 9));
451         printk(" -%i- GF1  position               = 0x%x (0x%x)\n", voice, snd_gf1_i_read_addr(gus, 0x0a, ctrl & 4), snd_gf1_i_read_addr(gus, 0x0a, (ctrl & 4) ^ 4));
452         if (gus->interwave && snd_gf1_i_read8(gus, 0x19) & 0x01) {      /* enhanced mode */
453                 mode = snd_gf1_i_read8(gus, 0x15);
454                 printk(" -%i- GFA1 mode                   = 0x%x\n", voice, mode);
455                 if (mode & 0x01) {      /* Effect processor */
456                         printk(" -%i- GFA1 effect address         = 0x%x\n", voice, snd_gf1_i_read_addr(gus, 0x11, ctrl & 4));
457                         printk(" -%i- GFA1 effect volume          = 0x%x\n", voice, snd_gf1_i_read16(gus, 0x16));
458                         printk(" -%i- GFA1 effect volume final    = 0x%x\n", voice, snd_gf1_i_read16(gus, 0x1d));
459                         printk(" -%i- GFA1 effect acumulator      = 0x%x\n", voice, snd_gf1_i_read8(gus, 0x14));
460                 }
461                 if (mode & 0x20) {
462                         printk(" -%i- GFA1 left offset            = 0x%x (%i)\n", voice, snd_gf1_i_read16(gus, 0x13), snd_gf1_i_read16(gus, 0x13) >> 4);
463                         printk(" -%i- GFA1 left offset final      = 0x%x (%i)\n", voice, snd_gf1_i_read16(gus, 0x1c), snd_gf1_i_read16(gus, 0x1c) >> 4);
464                         printk(" -%i- GFA1 right offset           = 0x%x (%i)\n", voice, snd_gf1_i_read16(gus, 0x0c), snd_gf1_i_read16(gus, 0x0c) >> 4);
465                         printk(" -%i- GFA1 right offset final     = 0x%x (%i)\n", voice, snd_gf1_i_read16(gus, 0x1b), snd_gf1_i_read16(gus, 0x1b) >> 4);
466                 } else
467                         printk(" -%i- GF1  pan                    = 0x%x\n", voice, snd_gf1_i_read8(gus, 0x0c));
468         } else
469                 printk(" -%i- GF1  pan                    = 0x%x\n", voice, snd_gf1_i_read8(gus, 0x0c));
470 }
471
472 void snd_gf1_print_global_registers(snd_gus_card_t * gus)
473 {
474         unsigned char global_mode = 0x00;
475
476         printk(" -G- GF1 active voices            = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_ACTIVE_VOICES));
477         if (gus->interwave) {
478                 global_mode = snd_gf1_i_read8(gus, SNDRV_GF1_GB_GLOBAL_MODE);
479                 printk(" -G- GF1 global mode              = 0x%x\n", global_mode);
480         }
481         if (global_mode & 0x02) /* LFO enabled? */
482                 printk(" -G- GF1 LFO base                 = 0x%x\n", snd_gf1_i_look16(gus, SNDRV_GF1_GW_LFO_BASE));
483         printk(" -G- GF1 voices IRQ read          = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_VOICES_IRQ_READ));
484         printk(" -G- GF1 DRAM DMA control         = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_DRAM_DMA_CONTROL));
485         printk(" -G- GF1 DRAM DMA high/low        = 0x%x/0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_DRAM_DMA_HIGH), snd_gf1_i_read16(gus, SNDRV_GF1_GW_DRAM_DMA_LOW));
486         printk(" -G- GF1 DRAM IO high/low         = 0x%x/0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_DRAM_IO_HIGH), snd_gf1_i_read16(gus, SNDRV_GF1_GW_DRAM_IO_LOW));
487         if (!gus->interwave)
488                 printk(" -G- GF1 record DMA control       = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_REC_DMA_CONTROL));
489         printk(" -G- GF1 DRAM IO 16               = 0x%x\n", snd_gf1_i_look16(gus, SNDRV_GF1_GW_DRAM_IO16));
490         if (gus->gf1.enh_mode) {
491                 printk(" -G- GFA1 memory config           = 0x%x\n", snd_gf1_i_look16(gus, SNDRV_GF1_GW_MEMORY_CONFIG));
492                 printk(" -G- GFA1 memory control          = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_MEMORY_CONTROL));
493                 printk(" -G- GFA1 FIFO record base        = 0x%x\n", snd_gf1_i_look16(gus, SNDRV_GF1_GW_FIFO_RECORD_BASE_ADDR));
494                 printk(" -G- GFA1 FIFO playback base      = 0x%x\n", snd_gf1_i_look16(gus, SNDRV_GF1_GW_FIFO_PLAY_BASE_ADDR));
495                 printk(" -G- GFA1 interleave control      = 0x%x\n", snd_gf1_i_look16(gus, SNDRV_GF1_GW_INTERLEAVE));
496         }
497 }
498
499 void snd_gf1_print_setup_registers(snd_gus_card_t * gus)
500 {
501         printk(" -S- mix control                  = 0x%x\n", inb(GUSP(gus, MIXCNTRLREG)));
502         printk(" -S- IRQ status                   = 0x%x\n", inb(GUSP(gus, IRQSTAT)));
503         printk(" -S- timer control                = 0x%x\n", inb(GUSP(gus, TIMERCNTRL)));
504         printk(" -S- timer data                   = 0x%x\n", inb(GUSP(gus, TIMERDATA)));
505         printk(" -S- status read                  = 0x%x\n", inb(GUSP(gus, REGCNTRLS)));
506         printk(" -S- Sound Blaster control        = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_SOUND_BLASTER_CONTROL));
507         printk(" -S- AdLib timer 1/2              = 0x%x/0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_ADLIB_TIMER_1), snd_gf1_i_look8(gus, SNDRV_GF1_GB_ADLIB_TIMER_2));
508         printk(" -S- reset                        = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET));
509         if (gus->interwave) {
510                 printk(" -S- compatibility                = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_COMPATIBILITY));
511                 printk(" -S- decode control               = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_DECODE_CONTROL));
512                 printk(" -S- version number               = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_VERSION_NUMBER));
513                 printk(" -S- MPU-401 emul. control A/B    = 0x%x/0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_MPU401_CONTROL_A), snd_gf1_i_look8(gus, SNDRV_GF1_GB_MPU401_CONTROL_B));
514                 printk(" -S- emulation IRQ                = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_EMULATION_IRQ));
515         }
516 }
517
518 void snd_gf1_peek_print_block(snd_gus_card_t * gus, unsigned int addr, int count, int w_16bit)
519 {
520         if (!w_16bit) {
521                 while (count-- > 0)
522                         printk(count > 0 ? "%02x:" : "%02x", snd_gf1_peek(gus, addr++));
523         } else {
524                 while (count-- > 0) {
525                         printk(count > 0 ? "%04x:" : "%04x", snd_gf1_peek(gus, addr) | (snd_gf1_peek(gus, addr + 1) << 8));
526                         addr += 2;
527                 }
528         }
529 }
530
531 #endif