ALSA: gus: More constifications
[muen/linux.git] / sound / isa / gus / gus_io.c
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
4  *  I/O routines for GF1/InterWave synthesizer chips
5  */
6
7 #include <linux/delay.h>
8 #include <linux/time.h>
9 #include <sound/core.h>
10 #include <sound/gus.h>
11
12 void snd_gf1_delay(struct snd_gus_card * gus)
13 {
14         int i;
15
16         for (i = 0; i < 6; i++) {
17                 mb();
18                 inb(GUSP(gus, DRAM));
19         }
20 }
21
22 /*
23  *  =======================================================================
24  */
25
26 /*
27  *  ok.. stop of control registers (wave & ramp) need some special things..
28  *       big UltraClick (tm) elimination...
29  */
30
31 static inline void __snd_gf1_ctrl_stop(struct snd_gus_card * gus, unsigned char reg)
32 {
33         unsigned char value;
34
35         outb(reg | 0x80, gus->gf1.reg_regsel);
36         mb();
37         value = inb(gus->gf1.reg_data8);
38         mb();
39         outb(reg, gus->gf1.reg_regsel);
40         mb();
41         outb((value | 0x03) & ~(0x80 | 0x20), gus->gf1.reg_data8);
42         mb();
43 }
44
45 static inline void __snd_gf1_write8(struct snd_gus_card * gus,
46                                     unsigned char reg,
47                                     unsigned char data)
48 {
49         outb(reg, gus->gf1.reg_regsel);
50         mb();
51         outb(data, gus->gf1.reg_data8);
52         mb();
53 }
54
55 static inline unsigned char __snd_gf1_look8(struct snd_gus_card * gus,
56                                             unsigned char reg)
57 {
58         outb(reg, gus->gf1.reg_regsel);
59         mb();
60         return inb(gus->gf1.reg_data8);
61 }
62
63 static inline void __snd_gf1_write16(struct snd_gus_card * gus,
64                                      unsigned char reg, unsigned int data)
65 {
66         outb(reg, gus->gf1.reg_regsel);
67         mb();
68         outw((unsigned short) data, gus->gf1.reg_data16);
69         mb();
70 }
71
72 static inline unsigned short __snd_gf1_look16(struct snd_gus_card * gus,
73                                               unsigned char reg)
74 {
75         outb(reg, gus->gf1.reg_regsel);
76         mb();
77         return inw(gus->gf1.reg_data16);
78 }
79
80 static inline void __snd_gf1_adlib_write(struct snd_gus_card * gus,
81                                          unsigned char reg, unsigned char data)
82 {
83         outb(reg, gus->gf1.reg_timerctrl);
84         inb(gus->gf1.reg_timerctrl);
85         inb(gus->gf1.reg_timerctrl);
86         outb(data, gus->gf1.reg_timerdata);
87         inb(gus->gf1.reg_timerctrl);
88         inb(gus->gf1.reg_timerctrl);
89 }
90
91 static inline void __snd_gf1_write_addr(struct snd_gus_card * gus, unsigned char reg,
92                                         unsigned int addr, int w_16bit)
93 {
94         if (gus->gf1.enh_mode) {
95                 if (w_16bit)
96                         addr = ((addr >> 1) & ~0x0000000f) | (addr & 0x0000000f);
97                 __snd_gf1_write8(gus, SNDRV_GF1_VB_UPPER_ADDRESS, (unsigned char) ((addr >> 26) & 0x03));
98         } else if (w_16bit)
99                 addr = (addr & 0x00c0000f) | ((addr & 0x003ffff0) >> 1);
100         __snd_gf1_write16(gus, reg, (unsigned short) (addr >> 11));
101         __snd_gf1_write16(gus, reg + 1, (unsigned short) (addr << 5));
102 }
103
104 static inline unsigned int __snd_gf1_read_addr(struct snd_gus_card * gus,
105                                                unsigned char reg, short w_16bit)
106 {
107         unsigned int res;
108
109         res = ((unsigned int) __snd_gf1_look16(gus, reg | 0x80) << 11) & 0xfff800;
110         res |= ((unsigned int) __snd_gf1_look16(gus, (reg + 1) | 0x80) >> 5) & 0x0007ff;
111         if (gus->gf1.enh_mode) {
112                 res |= (unsigned int) __snd_gf1_look8(gus, SNDRV_GF1_VB_UPPER_ADDRESS | 0x80) << 26;
113                 if (w_16bit)
114                         res = ((res << 1) & 0xffffffe0) | (res & 0x0000000f);
115         } else if (w_16bit)
116                 res = ((res & 0x001ffff0) << 1) | (res & 0x00c0000f);
117         return res;
118 }
119
120
121 /*
122  *  =======================================================================
123  */
124
125 void snd_gf1_ctrl_stop(struct snd_gus_card * gus, unsigned char reg)
126 {
127         __snd_gf1_ctrl_stop(gus, reg);
128 }
129
130 void snd_gf1_write8(struct snd_gus_card * gus,
131                     unsigned char reg,
132                     unsigned char data)
133 {
134         __snd_gf1_write8(gus, reg, data);
135 }
136
137 unsigned char snd_gf1_look8(struct snd_gus_card * gus, unsigned char reg)
138 {
139         return __snd_gf1_look8(gus, reg);
140 }
141
142 void snd_gf1_write16(struct snd_gus_card * gus,
143                      unsigned char reg,
144                      unsigned int data)
145 {
146         __snd_gf1_write16(gus, reg, data);
147 }
148
149 unsigned short snd_gf1_look16(struct snd_gus_card * gus, unsigned char reg)
150 {
151         return __snd_gf1_look16(gus, reg);
152 }
153
154 void snd_gf1_adlib_write(struct snd_gus_card * gus,
155                          unsigned char reg,
156                          unsigned char data)
157 {
158         __snd_gf1_adlib_write(gus, reg, data);
159 }
160
161 void snd_gf1_write_addr(struct snd_gus_card * gus, unsigned char reg,
162                         unsigned int addr, short w_16bit)
163 {
164         __snd_gf1_write_addr(gus, reg, addr, w_16bit);
165 }
166
167 unsigned int snd_gf1_read_addr(struct snd_gus_card * gus,
168                                unsigned char reg,
169                                short w_16bit)
170 {
171         return __snd_gf1_read_addr(gus, reg, w_16bit);
172 }
173
174 /*
175
176  */
177
178 void snd_gf1_i_ctrl_stop(struct snd_gus_card * gus, unsigned char reg)
179 {
180         unsigned long flags;
181
182         spin_lock_irqsave(&gus->reg_lock, flags);
183         __snd_gf1_ctrl_stop(gus, reg);
184         spin_unlock_irqrestore(&gus->reg_lock, flags);
185 }
186
187 void snd_gf1_i_write8(struct snd_gus_card * gus,
188                       unsigned char reg,
189                       unsigned char data)
190 {
191         unsigned long flags;
192
193         spin_lock_irqsave(&gus->reg_lock, flags);
194         __snd_gf1_write8(gus, reg, data);
195         spin_unlock_irqrestore(&gus->reg_lock, flags);
196 }
197
198 unsigned char snd_gf1_i_look8(struct snd_gus_card * gus, unsigned char reg)
199 {
200         unsigned long flags;
201         unsigned char res;
202
203         spin_lock_irqsave(&gus->reg_lock, flags);
204         res = __snd_gf1_look8(gus, reg);
205         spin_unlock_irqrestore(&gus->reg_lock, flags);
206         return res;
207 }
208
209 void snd_gf1_i_write16(struct snd_gus_card * gus,
210                        unsigned char reg,
211                        unsigned int data)
212 {
213         unsigned long flags;
214
215         spin_lock_irqsave(&gus->reg_lock, flags);
216         __snd_gf1_write16(gus, reg, data);
217         spin_unlock_irqrestore(&gus->reg_lock, flags);
218 }
219
220 unsigned short snd_gf1_i_look16(struct snd_gus_card * gus, unsigned char reg)
221 {
222         unsigned long flags;
223         unsigned short res;
224
225         spin_lock_irqsave(&gus->reg_lock, flags);
226         res = __snd_gf1_look16(gus, reg);
227         spin_unlock_irqrestore(&gus->reg_lock, flags);
228         return res;
229 }
230
231 #if 0
232
233 void snd_gf1_i_adlib_write(struct snd_gus_card * gus,
234                            unsigned char reg,
235                            unsigned char data)
236 {
237         unsigned long flags;
238
239         spin_lock_irqsave(&gus->reg_lock, flags);
240         __snd_gf1_adlib_write(gus, reg, data);
241         spin_unlock_irqrestore(&gus->reg_lock, flags);
242 }
243
244 void snd_gf1_i_write_addr(struct snd_gus_card * gus, unsigned char reg,
245                           unsigned int addr, short w_16bit)
246 {
247         unsigned long flags;
248
249         spin_lock_irqsave(&gus->reg_lock, flags);
250         __snd_gf1_write_addr(gus, reg, addr, w_16bit);
251         spin_unlock_irqrestore(&gus->reg_lock, flags);
252 }
253
254 #endif  /*  0  */
255
256 #ifdef CONFIG_SND_DEBUG
257 static unsigned int snd_gf1_i_read_addr(struct snd_gus_card * gus,
258                                         unsigned char reg, short w_16bit)
259 {
260         unsigned int res;
261         unsigned long flags;
262
263         spin_lock_irqsave(&gus->reg_lock, flags);
264         res = __snd_gf1_read_addr(gus, reg, w_16bit);
265         spin_unlock_irqrestore(&gus->reg_lock, flags);
266         return res;
267 }
268 #endif
269
270 /*
271
272  */
273
274 void snd_gf1_dram_addr(struct snd_gus_card * gus, unsigned int addr)
275 {
276         outb(0x43, gus->gf1.reg_regsel);
277         mb();
278         outw((unsigned short) addr, gus->gf1.reg_data16);
279         mb();
280         outb(0x44, gus->gf1.reg_regsel);
281         mb();
282         outb((unsigned char) (addr >> 16), gus->gf1.reg_data8);
283         mb();
284 }
285
286 void snd_gf1_poke(struct snd_gus_card * gus, unsigned int addr, unsigned char data)
287 {
288         unsigned long flags;
289
290         spin_lock_irqsave(&gus->reg_lock, flags);
291         outb(SNDRV_GF1_GW_DRAM_IO_LOW, gus->gf1.reg_regsel);
292         mb();
293         outw((unsigned short) addr, gus->gf1.reg_data16);
294         mb();
295         outb(SNDRV_GF1_GB_DRAM_IO_HIGH, gus->gf1.reg_regsel);
296         mb();
297         outb((unsigned char) (addr >> 16), gus->gf1.reg_data8);
298         mb();
299         outb(data, gus->gf1.reg_dram);
300         spin_unlock_irqrestore(&gus->reg_lock, flags);
301 }
302
303 unsigned char snd_gf1_peek(struct snd_gus_card * gus, unsigned int addr)
304 {
305         unsigned long flags;
306         unsigned char res;
307
308         spin_lock_irqsave(&gus->reg_lock, flags);
309         outb(SNDRV_GF1_GW_DRAM_IO_LOW, gus->gf1.reg_regsel);
310         mb();
311         outw((unsigned short) addr, gus->gf1.reg_data16);
312         mb();
313         outb(SNDRV_GF1_GB_DRAM_IO_HIGH, gus->gf1.reg_regsel);
314         mb();
315         outb((unsigned char) (addr >> 16), gus->gf1.reg_data8);
316         mb();
317         res = inb(gus->gf1.reg_dram);
318         spin_unlock_irqrestore(&gus->reg_lock, flags);
319         return res;
320 }
321
322 #if 0
323
324 void snd_gf1_pokew(struct snd_gus_card * gus, unsigned int addr, unsigned short data)
325 {
326         unsigned long flags;
327
328 #ifdef CONFIG_SND_DEBUG
329         if (!gus->interwave)
330                 snd_printk(KERN_DEBUG "snd_gf1_pokew - GF1!!!\n");
331 #endif
332         spin_lock_irqsave(&gus->reg_lock, flags);
333         outb(SNDRV_GF1_GW_DRAM_IO_LOW, gus->gf1.reg_regsel);
334         mb();
335         outw((unsigned short) addr, gus->gf1.reg_data16);
336         mb();
337         outb(SNDRV_GF1_GB_DRAM_IO_HIGH, gus->gf1.reg_regsel);
338         mb();
339         outb((unsigned char) (addr >> 16), gus->gf1.reg_data8);
340         mb();
341         outb(SNDRV_GF1_GW_DRAM_IO16, gus->gf1.reg_regsel);
342         mb();
343         outw(data, gus->gf1.reg_data16);
344         spin_unlock_irqrestore(&gus->reg_lock, flags);
345 }
346
347 unsigned short snd_gf1_peekw(struct snd_gus_card * gus, unsigned int addr)
348 {
349         unsigned long flags;
350         unsigned short res;
351
352 #ifdef CONFIG_SND_DEBUG
353         if (!gus->interwave)
354                 snd_printk(KERN_DEBUG "snd_gf1_peekw - GF1!!!\n");
355 #endif
356         spin_lock_irqsave(&gus->reg_lock, flags);
357         outb(SNDRV_GF1_GW_DRAM_IO_LOW, gus->gf1.reg_regsel);
358         mb();
359         outw((unsigned short) addr, gus->gf1.reg_data16);
360         mb();
361         outb(SNDRV_GF1_GB_DRAM_IO_HIGH, gus->gf1.reg_regsel);
362         mb();
363         outb((unsigned char) (addr >> 16), gus->gf1.reg_data8);
364         mb();
365         outb(SNDRV_GF1_GW_DRAM_IO16, gus->gf1.reg_regsel);
366         mb();
367         res = inw(gus->gf1.reg_data16);
368         spin_unlock_irqrestore(&gus->reg_lock, flags);
369         return res;
370 }
371
372 void snd_gf1_dram_setmem(struct snd_gus_card * gus, unsigned int addr,
373                          unsigned short value, unsigned int count)
374 {
375         unsigned long port;
376         unsigned long flags;
377
378 #ifdef CONFIG_SND_DEBUG
379         if (!gus->interwave)
380                 snd_printk(KERN_DEBUG "snd_gf1_dram_setmem - GF1!!!\n");
381 #endif
382         addr &= ~1;
383         count >>= 1;
384         port = GUSP(gus, GF1DATALOW);
385         spin_lock_irqsave(&gus->reg_lock, flags);
386         outb(SNDRV_GF1_GW_DRAM_IO_LOW, gus->gf1.reg_regsel);
387         mb();
388         outw((unsigned short) addr, gus->gf1.reg_data16);
389         mb();
390         outb(SNDRV_GF1_GB_DRAM_IO_HIGH, gus->gf1.reg_regsel);
391         mb();
392         outb((unsigned char) (addr >> 16), gus->gf1.reg_data8);
393         mb();
394         outb(SNDRV_GF1_GW_DRAM_IO16, gus->gf1.reg_regsel);
395         while (count--)
396                 outw(value, port);
397         spin_unlock_irqrestore(&gus->reg_lock, flags);
398 }
399
400 #endif  /*  0  */
401
402 void snd_gf1_select_active_voices(struct snd_gus_card * gus)
403 {
404         unsigned short voices;
405
406         static const unsigned short voices_tbl[32 - 14 + 1] =
407         {
408             44100, 41160, 38587, 36317, 34300, 32494, 30870, 29400, 28063, 26843,
409             25725, 24696, 23746, 22866, 22050, 21289, 20580, 19916, 19293
410         };
411
412         voices = gus->gf1.active_voices;
413         if (voices > 32)
414                 voices = 32;
415         if (voices < 14)
416                 voices = 14;
417         if (gus->gf1.enh_mode)
418                 voices = 32;
419         gus->gf1.active_voices = voices;
420         gus->gf1.playback_freq =
421             gus->gf1.enh_mode ? 44100 : voices_tbl[voices - 14];
422         if (!gus->gf1.enh_mode) {
423                 snd_gf1_i_write8(gus, SNDRV_GF1_GB_ACTIVE_VOICES, 0xc0 | (voices - 1));
424                 udelay(100);
425         }
426 }
427
428 #ifdef CONFIG_SND_DEBUG
429
430 void snd_gf1_print_voice_registers(struct snd_gus_card * gus)
431 {
432         unsigned char mode;
433         int voice, ctrl;
434
435         voice = gus->gf1.active_voice;
436         printk(KERN_INFO " -%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));
437         printk(KERN_INFO " -%i- GF1  frequency              = 0x%x\n", voice, snd_gf1_i_read16(gus, 1));
438         printk(KERN_INFO " -%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));
439         printk(KERN_INFO " -%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));
440         printk(KERN_INFO" -%i- GF1  volume                 = 0x%x\n", voice, snd_gf1_i_read16(gus, 9));
441         printk(KERN_INFO " -%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));
442         if (gus->interwave && snd_gf1_i_read8(gus, 0x19) & 0x01) {      /* enhanced mode */
443                 mode = snd_gf1_i_read8(gus, 0x15);
444                 printk(KERN_INFO " -%i- GFA1 mode                   = 0x%x\n", voice, mode);
445                 if (mode & 0x01) {      /* Effect processor */
446                         printk(KERN_INFO " -%i- GFA1 effect address         = 0x%x\n", voice, snd_gf1_i_read_addr(gus, 0x11, ctrl & 4));
447                         printk(KERN_INFO " -%i- GFA1 effect volume          = 0x%x\n", voice, snd_gf1_i_read16(gus, 0x16));
448                         printk(KERN_INFO " -%i- GFA1 effect volume final    = 0x%x\n", voice, snd_gf1_i_read16(gus, 0x1d));
449                         printk(KERN_INFO " -%i- GFA1 effect accumulator     = 0x%x\n", voice, snd_gf1_i_read8(gus, 0x14));
450                 }
451                 if (mode & 0x20) {
452                         printk(KERN_INFO " -%i- GFA1 left offset            = 0x%x (%i)\n", voice, snd_gf1_i_read16(gus, 0x13), snd_gf1_i_read16(gus, 0x13) >> 4);
453                         printk(KERN_INFO " -%i- GFA1 left offset final      = 0x%x (%i)\n", voice, snd_gf1_i_read16(gus, 0x1c), snd_gf1_i_read16(gus, 0x1c) >> 4);
454                         printk(KERN_INFO " -%i- GFA1 right offset           = 0x%x (%i)\n", voice, snd_gf1_i_read16(gus, 0x0c), snd_gf1_i_read16(gus, 0x0c) >> 4);
455                         printk(KERN_INFO " -%i- GFA1 right offset final     = 0x%x (%i)\n", voice, snd_gf1_i_read16(gus, 0x1b), snd_gf1_i_read16(gus, 0x1b) >> 4);
456                 } else
457                         printk(KERN_INFO " -%i- GF1  pan                    = 0x%x\n", voice, snd_gf1_i_read8(gus, 0x0c));
458         } else
459                 printk(KERN_INFO " -%i- GF1  pan                    = 0x%x\n", voice, snd_gf1_i_read8(gus, 0x0c));
460 }
461
462 #if 0
463
464 void snd_gf1_print_global_registers(struct snd_gus_card * gus)
465 {
466         unsigned char global_mode = 0x00;
467
468         printk(KERN_INFO " -G- GF1 active voices            = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_ACTIVE_VOICES));
469         if (gus->interwave) {
470                 global_mode = snd_gf1_i_read8(gus, SNDRV_GF1_GB_GLOBAL_MODE);
471                 printk(KERN_INFO " -G- GF1 global mode              = 0x%x\n", global_mode);
472         }
473         if (global_mode & 0x02) /* LFO enabled? */
474                 printk(KERN_INFO " -G- GF1 LFO base                 = 0x%x\n", snd_gf1_i_look16(gus, SNDRV_GF1_GW_LFO_BASE));
475         printk(KERN_INFO " -G- GF1 voices IRQ read          = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_VOICES_IRQ_READ));
476         printk(KERN_INFO " -G- GF1 DRAM DMA control         = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_DRAM_DMA_CONTROL));
477         printk(KERN_INFO " -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));
478         printk(KERN_INFO " -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));
479         if (!gus->interwave)
480                 printk(KERN_INFO " -G- GF1 record DMA control       = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_REC_DMA_CONTROL));
481         printk(KERN_INFO " -G- GF1 DRAM IO 16               = 0x%x\n", snd_gf1_i_look16(gus, SNDRV_GF1_GW_DRAM_IO16));
482         if (gus->gf1.enh_mode) {
483                 printk(KERN_INFO " -G- GFA1 memory config           = 0x%x\n", snd_gf1_i_look16(gus, SNDRV_GF1_GW_MEMORY_CONFIG));
484                 printk(KERN_INFO " -G- GFA1 memory control          = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_MEMORY_CONTROL));
485                 printk(KERN_INFO " -G- GFA1 FIFO record base        = 0x%x\n", snd_gf1_i_look16(gus, SNDRV_GF1_GW_FIFO_RECORD_BASE_ADDR));
486                 printk(KERN_INFO " -G- GFA1 FIFO playback base      = 0x%x\n", snd_gf1_i_look16(gus, SNDRV_GF1_GW_FIFO_PLAY_BASE_ADDR));
487                 printk(KERN_INFO " -G- GFA1 interleave control      = 0x%x\n", snd_gf1_i_look16(gus, SNDRV_GF1_GW_INTERLEAVE));
488         }
489 }
490
491 void snd_gf1_print_setup_registers(struct snd_gus_card * gus)
492 {
493         printk(KERN_INFO " -S- mix control                  = 0x%x\n", inb(GUSP(gus, MIXCNTRLREG)));
494         printk(KERN_INFO " -S- IRQ status                   = 0x%x\n", inb(GUSP(gus, IRQSTAT)));
495         printk(KERN_INFO " -S- timer control                = 0x%x\n", inb(GUSP(gus, TIMERCNTRL)));
496         printk(KERN_INFO " -S- timer data                   = 0x%x\n", inb(GUSP(gus, TIMERDATA)));
497         printk(KERN_INFO " -S- status read                  = 0x%x\n", inb(GUSP(gus, REGCNTRLS)));
498         printk(KERN_INFO " -S- Sound Blaster control        = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_SOUND_BLASTER_CONTROL));
499         printk(KERN_INFO " -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));
500         printk(KERN_INFO " -S- reset                        = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET));
501         if (gus->interwave) {
502                 printk(KERN_INFO " -S- compatibility                = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_COMPATIBILITY));
503                 printk(KERN_INFO " -S- decode control               = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_DECODE_CONTROL));
504                 printk(KERN_INFO " -S- version number               = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_VERSION_NUMBER));
505                 printk(KERN_INFO " -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));
506                 printk(KERN_INFO " -S- emulation IRQ                = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_EMULATION_IRQ));
507         }
508 }
509
510 void snd_gf1_peek_print_block(struct snd_gus_card * gus, unsigned int addr, int count, int w_16bit)
511 {
512         if (!w_16bit) {
513                 while (count-- > 0)
514                         printk(count > 0 ? "%02x:" : "%02x", snd_gf1_peek(gus, addr++));
515         } else {
516                 while (count-- > 0) {
517                         printk(count > 0 ? "%04x:" : "%04x", snd_gf1_peek(gus, addr) | (snd_gf1_peek(gus, addr + 1) << 8));
518                         addr += 2;
519                 }
520         }
521 }
522
523 #endif  /*  0  */
524
525 #endif