xref: /linux/sound/isa/gus/gus_io.c (revision bb9707077b4ee5f77bc9939b057ff8a0d410296f)
1 /*
2  *  Copyright (c) by Jaroslav Kysela <perex@perex.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 <linux/delay.h>
23 #include <linux/time.h>
24 #include <sound/core.h>
25 #include <sound/gus.h>
26 
27 void snd_gf1_delay(struct snd_gus_card * gus)
28 {
29 	int i;
30 
31 	for (i = 0; i < 6; i++) {
32 		mb();
33 		inb(GUSP(gus, DRAM));
34 	}
35 }
36 
37 /*
38  *  =======================================================================
39  */
40 
41 /*
42  *  ok.. stop of control registers (wave & ramp) need some special things..
43  *       big UltraClick (tm) elimination...
44  */
45 
46 static inline void __snd_gf1_ctrl_stop(struct snd_gus_card * gus, unsigned char reg)
47 {
48 	unsigned char value;
49 
50 	outb(reg | 0x80, gus->gf1.reg_regsel);
51 	mb();
52 	value = inb(gus->gf1.reg_data8);
53 	mb();
54 	outb(reg, gus->gf1.reg_regsel);
55 	mb();
56 	outb((value | 0x03) & ~(0x80 | 0x20), gus->gf1.reg_data8);
57 	mb();
58 }
59 
60 static inline void __snd_gf1_write8(struct snd_gus_card * gus,
61 				    unsigned char reg,
62 				    unsigned char data)
63 {
64 	outb(reg, gus->gf1.reg_regsel);
65 	mb();
66 	outb(data, gus->gf1.reg_data8);
67 	mb();
68 }
69 
70 static inline unsigned char __snd_gf1_look8(struct snd_gus_card * gus,
71 					    unsigned char reg)
72 {
73 	outb(reg, gus->gf1.reg_regsel);
74 	mb();
75 	return inb(gus->gf1.reg_data8);
76 }
77 
78 static inline void __snd_gf1_write16(struct snd_gus_card * gus,
79 				     unsigned char reg, unsigned int data)
80 {
81 	outb(reg, gus->gf1.reg_regsel);
82 	mb();
83 	outw((unsigned short) data, gus->gf1.reg_data16);
84 	mb();
85 }
86 
87 static inline unsigned short __snd_gf1_look16(struct snd_gus_card * gus,
88 					      unsigned char reg)
89 {
90 	outb(reg, gus->gf1.reg_regsel);
91 	mb();
92 	return inw(gus->gf1.reg_data16);
93 }
94 
95 static inline void __snd_gf1_adlib_write(struct snd_gus_card * gus,
96 					 unsigned char reg, unsigned char data)
97 {
98 	outb(reg, gus->gf1.reg_timerctrl);
99 	inb(gus->gf1.reg_timerctrl);
100 	inb(gus->gf1.reg_timerctrl);
101 	outb(data, gus->gf1.reg_timerdata);
102 	inb(gus->gf1.reg_timerctrl);
103 	inb(gus->gf1.reg_timerctrl);
104 }
105 
106 static inline void __snd_gf1_write_addr(struct snd_gus_card * gus, unsigned char reg,
107                                         unsigned int addr, int w_16bit)
108 {
109 	if (gus->gf1.enh_mode) {
110 		if (w_16bit)
111 			addr = ((addr >> 1) & ~0x0000000f) | (addr & 0x0000000f);
112 		__snd_gf1_write8(gus, SNDRV_GF1_VB_UPPER_ADDRESS, (unsigned char) ((addr >> 26) & 0x03));
113 	} else if (w_16bit)
114 		addr = (addr & 0x00c0000f) | ((addr & 0x003ffff0) >> 1);
115 	__snd_gf1_write16(gus, reg, (unsigned short) (addr >> 11));
116 	__snd_gf1_write16(gus, reg + 1, (unsigned short) (addr << 5));
117 }
118 
119 static inline unsigned int __snd_gf1_read_addr(struct snd_gus_card * gus,
120 					       unsigned char reg, short w_16bit)
121 {
122 	unsigned int res;
123 
124 	res = ((unsigned int) __snd_gf1_look16(gus, reg | 0x80) << 11) & 0xfff800;
125 	res |= ((unsigned int) __snd_gf1_look16(gus, (reg + 1) | 0x80) >> 5) & 0x0007ff;
126 	if (gus->gf1.enh_mode) {
127 		res |= (unsigned int) __snd_gf1_look8(gus, SNDRV_GF1_VB_UPPER_ADDRESS | 0x80) << 26;
128 		if (w_16bit)
129 			res = ((res << 1) & 0xffffffe0) | (res & 0x0000000f);
130 	} else if (w_16bit)
131 		res = ((res & 0x001ffff0) << 1) | (res & 0x00c0000f);
132 	return res;
133 }
134 
135 
136 /*
137  *  =======================================================================
138  */
139 
140 void snd_gf1_ctrl_stop(struct snd_gus_card * gus, unsigned char reg)
141 {
142 	__snd_gf1_ctrl_stop(gus, reg);
143 }
144 
145 void snd_gf1_write8(struct snd_gus_card * gus,
146 		    unsigned char reg,
147 		    unsigned char data)
148 {
149 	__snd_gf1_write8(gus, reg, data);
150 }
151 
152 unsigned char snd_gf1_look8(struct snd_gus_card * gus, unsigned char reg)
153 {
154 	return __snd_gf1_look8(gus, reg);
155 }
156 
157 void snd_gf1_write16(struct snd_gus_card * gus,
158 		     unsigned char reg,
159 		     unsigned int data)
160 {
161 	__snd_gf1_write16(gus, reg, data);
162 }
163 
164 unsigned short snd_gf1_look16(struct snd_gus_card * gus, unsigned char reg)
165 {
166 	return __snd_gf1_look16(gus, reg);
167 }
168 
169 void snd_gf1_adlib_write(struct snd_gus_card * gus,
170                          unsigned char reg,
171                          unsigned char data)
172 {
173 	__snd_gf1_adlib_write(gus, reg, data);
174 }
175 
176 void snd_gf1_write_addr(struct snd_gus_card * gus, unsigned char reg,
177                         unsigned int addr, short w_16bit)
178 {
179 	__snd_gf1_write_addr(gus, reg, addr, w_16bit);
180 }
181 
182 unsigned int snd_gf1_read_addr(struct snd_gus_card * gus,
183                                unsigned char reg,
184                                short w_16bit)
185 {
186 	return __snd_gf1_read_addr(gus, reg, w_16bit);
187 }
188 
189 /*
190 
191  */
192 
193 void snd_gf1_i_ctrl_stop(struct snd_gus_card * gus, unsigned char reg)
194 {
195 	unsigned long flags;
196 
197 	spin_lock_irqsave(&gus->reg_lock, flags);
198 	__snd_gf1_ctrl_stop(gus, reg);
199 	spin_unlock_irqrestore(&gus->reg_lock, flags);
200 }
201 
202 void snd_gf1_i_write8(struct snd_gus_card * gus,
203 		      unsigned char reg,
204                       unsigned char data)
205 {
206 	unsigned long flags;
207 
208 	spin_lock_irqsave(&gus->reg_lock, flags);
209 	__snd_gf1_write8(gus, reg, data);
210 	spin_unlock_irqrestore(&gus->reg_lock, flags);
211 }
212 
213 unsigned char snd_gf1_i_look8(struct snd_gus_card * gus, unsigned char reg)
214 {
215 	unsigned long flags;
216 	unsigned char res;
217 
218 	spin_lock_irqsave(&gus->reg_lock, flags);
219 	res = __snd_gf1_look8(gus, reg);
220 	spin_unlock_irqrestore(&gus->reg_lock, flags);
221 	return res;
222 }
223 
224 void snd_gf1_i_write16(struct snd_gus_card * gus,
225 		       unsigned char reg,
226 		       unsigned int data)
227 {
228 	unsigned long flags;
229 
230 	spin_lock_irqsave(&gus->reg_lock, flags);
231 	__snd_gf1_write16(gus, reg, data);
232 	spin_unlock_irqrestore(&gus->reg_lock, flags);
233 }
234 
235 unsigned short snd_gf1_i_look16(struct snd_gus_card * gus, unsigned char reg)
236 {
237 	unsigned long flags;
238 	unsigned short res;
239 
240 	spin_lock_irqsave(&gus->reg_lock, flags);
241 	res = __snd_gf1_look16(gus, reg);
242 	spin_unlock_irqrestore(&gus->reg_lock, flags);
243 	return res;
244 }
245 
246 #if 0
247 
248 void snd_gf1_i_adlib_write(struct snd_gus_card * gus,
249 		           unsigned char reg,
250 		           unsigned char data)
251 {
252 	unsigned long flags;
253 
254 	spin_lock_irqsave(&gus->reg_lock, flags);
255 	__snd_gf1_adlib_write(gus, reg, data);
256 	spin_unlock_irqrestore(&gus->reg_lock, flags);
257 }
258 
259 void snd_gf1_i_write_addr(struct snd_gus_card * gus, unsigned char reg,
260 			  unsigned int addr, short w_16bit)
261 {
262 	unsigned long flags;
263 
264 	spin_lock_irqsave(&gus->reg_lock, flags);
265 	__snd_gf1_write_addr(gus, reg, addr, w_16bit);
266 	spin_unlock_irqrestore(&gus->reg_lock, flags);
267 }
268 
269 #endif  /*  0  */
270 
271 #ifdef CONFIG_SND_DEBUG
272 static unsigned int snd_gf1_i_read_addr(struct snd_gus_card * gus,
273 					unsigned char reg, short w_16bit)
274 {
275 	unsigned int res;
276 	unsigned long flags;
277 
278 	spin_lock_irqsave(&gus->reg_lock, flags);
279 	res = __snd_gf1_read_addr(gus, reg, w_16bit);
280 	spin_unlock_irqrestore(&gus->reg_lock, flags);
281 	return res;
282 }
283 #endif
284 
285 /*
286 
287  */
288 
289 void snd_gf1_dram_addr(struct snd_gus_card * gus, unsigned int addr)
290 {
291 	outb(0x43, gus->gf1.reg_regsel);
292 	mb();
293 	outw((unsigned short) addr, gus->gf1.reg_data16);
294 	mb();
295 	outb(0x44, gus->gf1.reg_regsel);
296 	mb();
297 	outb((unsigned char) (addr >> 16), gus->gf1.reg_data8);
298 	mb();
299 }
300 
301 void snd_gf1_poke(struct snd_gus_card * gus, unsigned int addr, unsigned char data)
302 {
303 	unsigned long flags;
304 
305 	spin_lock_irqsave(&gus->reg_lock, flags);
306 	outb(SNDRV_GF1_GW_DRAM_IO_LOW, gus->gf1.reg_regsel);
307 	mb();
308 	outw((unsigned short) addr, gus->gf1.reg_data16);
309 	mb();
310 	outb(SNDRV_GF1_GB_DRAM_IO_HIGH, gus->gf1.reg_regsel);
311 	mb();
312 	outb((unsigned char) (addr >> 16), gus->gf1.reg_data8);
313 	mb();
314 	outb(data, gus->gf1.reg_dram);
315 	spin_unlock_irqrestore(&gus->reg_lock, flags);
316 }
317 
318 unsigned char snd_gf1_peek(struct snd_gus_card * gus, unsigned int addr)
319 {
320 	unsigned long flags;
321 	unsigned char res;
322 
323 	spin_lock_irqsave(&gus->reg_lock, flags);
324 	outb(SNDRV_GF1_GW_DRAM_IO_LOW, gus->gf1.reg_regsel);
325 	mb();
326 	outw((unsigned short) addr, gus->gf1.reg_data16);
327 	mb();
328 	outb(SNDRV_GF1_GB_DRAM_IO_HIGH, gus->gf1.reg_regsel);
329 	mb();
330 	outb((unsigned char) (addr >> 16), gus->gf1.reg_data8);
331 	mb();
332 	res = inb(gus->gf1.reg_dram);
333 	spin_unlock_irqrestore(&gus->reg_lock, flags);
334 	return res;
335 }
336 
337 #if 0
338 
339 void snd_gf1_pokew(struct snd_gus_card * gus, unsigned int addr, unsigned short data)
340 {
341 	unsigned long flags;
342 
343 #ifdef CONFIG_SND_DEBUG
344 	if (!gus->interwave)
345 		snd_printk(KERN_DEBUG "snd_gf1_pokew - GF1!!!\n");
346 #endif
347 	spin_lock_irqsave(&gus->reg_lock, flags);
348 	outb(SNDRV_GF1_GW_DRAM_IO_LOW, gus->gf1.reg_regsel);
349 	mb();
350 	outw((unsigned short) addr, gus->gf1.reg_data16);
351 	mb();
352 	outb(SNDRV_GF1_GB_DRAM_IO_HIGH, gus->gf1.reg_regsel);
353 	mb();
354 	outb((unsigned char) (addr >> 16), gus->gf1.reg_data8);
355 	mb();
356 	outb(SNDRV_GF1_GW_DRAM_IO16, gus->gf1.reg_regsel);
357 	mb();
358 	outw(data, gus->gf1.reg_data16);
359 	spin_unlock_irqrestore(&gus->reg_lock, flags);
360 }
361 
362 unsigned short snd_gf1_peekw(struct snd_gus_card * gus, unsigned int addr)
363 {
364 	unsigned long flags;
365 	unsigned short res;
366 
367 #ifdef CONFIG_SND_DEBUG
368 	if (!gus->interwave)
369 		snd_printk(KERN_DEBUG "snd_gf1_peekw - GF1!!!\n");
370 #endif
371 	spin_lock_irqsave(&gus->reg_lock, flags);
372 	outb(SNDRV_GF1_GW_DRAM_IO_LOW, gus->gf1.reg_regsel);
373 	mb();
374 	outw((unsigned short) addr, gus->gf1.reg_data16);
375 	mb();
376 	outb(SNDRV_GF1_GB_DRAM_IO_HIGH, gus->gf1.reg_regsel);
377 	mb();
378 	outb((unsigned char) (addr >> 16), gus->gf1.reg_data8);
379 	mb();
380 	outb(SNDRV_GF1_GW_DRAM_IO16, gus->gf1.reg_regsel);
381 	mb();
382 	res = inw(gus->gf1.reg_data16);
383 	spin_unlock_irqrestore(&gus->reg_lock, flags);
384 	return res;
385 }
386 
387 void snd_gf1_dram_setmem(struct snd_gus_card * gus, unsigned int addr,
388 			 unsigned short value, unsigned int count)
389 {
390 	unsigned long port;
391 	unsigned long flags;
392 
393 #ifdef CONFIG_SND_DEBUG
394 	if (!gus->interwave)
395 		snd_printk(KERN_DEBUG "snd_gf1_dram_setmem - GF1!!!\n");
396 #endif
397 	addr &= ~1;
398 	count >>= 1;
399 	port = GUSP(gus, GF1DATALOW);
400 	spin_lock_irqsave(&gus->reg_lock, flags);
401 	outb(SNDRV_GF1_GW_DRAM_IO_LOW, gus->gf1.reg_regsel);
402 	mb();
403 	outw((unsigned short) addr, gus->gf1.reg_data16);
404 	mb();
405 	outb(SNDRV_GF1_GB_DRAM_IO_HIGH, gus->gf1.reg_regsel);
406 	mb();
407 	outb((unsigned char) (addr >> 16), gus->gf1.reg_data8);
408 	mb();
409 	outb(SNDRV_GF1_GW_DRAM_IO16, gus->gf1.reg_regsel);
410 	while (count--)
411 		outw(value, port);
412 	spin_unlock_irqrestore(&gus->reg_lock, flags);
413 }
414 
415 #endif  /*  0  */
416 
417 void snd_gf1_select_active_voices(struct snd_gus_card * gus)
418 {
419 	unsigned short voices;
420 
421 	static unsigned short voices_tbl[32 - 14 + 1] =
422 	{
423 	    44100, 41160, 38587, 36317, 34300, 32494, 30870, 29400, 28063, 26843,
424 	    25725, 24696, 23746, 22866, 22050, 21289, 20580, 19916, 19293
425 	};
426 
427 	voices = gus->gf1.active_voices;
428 	if (voices > 32)
429 		voices = 32;
430 	if (voices < 14)
431 		voices = 14;
432 	if (gus->gf1.enh_mode)
433 		voices = 32;
434 	gus->gf1.active_voices = voices;
435 	gus->gf1.playback_freq =
436 	    gus->gf1.enh_mode ? 44100 : voices_tbl[voices - 14];
437 	if (!gus->gf1.enh_mode) {
438 		snd_gf1_i_write8(gus, SNDRV_GF1_GB_ACTIVE_VOICES, 0xc0 | (voices - 1));
439 		udelay(100);
440 	}
441 }
442 
443 #ifdef CONFIG_SND_DEBUG
444 
445 void snd_gf1_print_voice_registers(struct snd_gus_card * gus)
446 {
447 	unsigned char mode;
448 	int voice, ctrl;
449 
450 	voice = gus->gf1.active_voice;
451 	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));
452 	printk(KERN_INFO " -%i- GF1  frequency              = 0x%x\n", voice, snd_gf1_i_read16(gus, 1));
453 	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));
454 	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));
455 	printk(KERN_INFO" -%i- GF1  volume                 = 0x%x\n", voice, snd_gf1_i_read16(gus, 9));
456 	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));
457 	if (gus->interwave && snd_gf1_i_read8(gus, 0x19) & 0x01) {	/* enhanced mode */
458 		mode = snd_gf1_i_read8(gus, 0x15);
459 		printk(KERN_INFO " -%i- GFA1 mode                   = 0x%x\n", voice, mode);
460 		if (mode & 0x01) {	/* Effect processor */
461 			printk(KERN_INFO " -%i- GFA1 effect address         = 0x%x\n", voice, snd_gf1_i_read_addr(gus, 0x11, ctrl & 4));
462 			printk(KERN_INFO " -%i- GFA1 effect volume          = 0x%x\n", voice, snd_gf1_i_read16(gus, 0x16));
463 			printk(KERN_INFO " -%i- GFA1 effect volume final    = 0x%x\n", voice, snd_gf1_i_read16(gus, 0x1d));
464 			printk(KERN_INFO " -%i- GFA1 effect acumulator      = 0x%x\n", voice, snd_gf1_i_read8(gus, 0x14));
465 		}
466 		if (mode & 0x20) {
467 			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);
468 			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);
469 			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);
470 			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);
471 		} else
472 			printk(KERN_INFO " -%i- GF1  pan                    = 0x%x\n", voice, snd_gf1_i_read8(gus, 0x0c));
473 	} else
474 		printk(KERN_INFO " -%i- GF1  pan                    = 0x%x\n", voice, snd_gf1_i_read8(gus, 0x0c));
475 }
476 
477 #if 0
478 
479 void snd_gf1_print_global_registers(struct snd_gus_card * gus)
480 {
481 	unsigned char global_mode = 0x00;
482 
483 	printk(KERN_INFO " -G- GF1 active voices            = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_ACTIVE_VOICES));
484 	if (gus->interwave) {
485 		global_mode = snd_gf1_i_read8(gus, SNDRV_GF1_GB_GLOBAL_MODE);
486 		printk(KERN_INFO " -G- GF1 global mode              = 0x%x\n", global_mode);
487 	}
488 	if (global_mode & 0x02)	/* LFO enabled? */
489 		printk(KERN_INFO " -G- GF1 LFO base                 = 0x%x\n", snd_gf1_i_look16(gus, SNDRV_GF1_GW_LFO_BASE));
490 	printk(KERN_INFO " -G- GF1 voices IRQ read          = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_VOICES_IRQ_READ));
491 	printk(KERN_INFO " -G- GF1 DRAM DMA control         = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_DRAM_DMA_CONTROL));
492 	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));
493 	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));
494 	if (!gus->interwave)
495 		printk(KERN_INFO " -G- GF1 record DMA control       = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_REC_DMA_CONTROL));
496 	printk(KERN_INFO " -G- GF1 DRAM IO 16               = 0x%x\n", snd_gf1_i_look16(gus, SNDRV_GF1_GW_DRAM_IO16));
497 	if (gus->gf1.enh_mode) {
498 		printk(KERN_INFO " -G- GFA1 memory config           = 0x%x\n", snd_gf1_i_look16(gus, SNDRV_GF1_GW_MEMORY_CONFIG));
499 		printk(KERN_INFO " -G- GFA1 memory control          = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_MEMORY_CONTROL));
500 		printk(KERN_INFO " -G- GFA1 FIFO record base        = 0x%x\n", snd_gf1_i_look16(gus, SNDRV_GF1_GW_FIFO_RECORD_BASE_ADDR));
501 		printk(KERN_INFO " -G- GFA1 FIFO playback base      = 0x%x\n", snd_gf1_i_look16(gus, SNDRV_GF1_GW_FIFO_PLAY_BASE_ADDR));
502 		printk(KERN_INFO " -G- GFA1 interleave control      = 0x%x\n", snd_gf1_i_look16(gus, SNDRV_GF1_GW_INTERLEAVE));
503 	}
504 }
505 
506 void snd_gf1_print_setup_registers(struct snd_gus_card * gus)
507 {
508 	printk(KERN_INFO " -S- mix control                  = 0x%x\n", inb(GUSP(gus, MIXCNTRLREG)));
509 	printk(KERN_INFO " -S- IRQ status                   = 0x%x\n", inb(GUSP(gus, IRQSTAT)));
510 	printk(KERN_INFO " -S- timer control                = 0x%x\n", inb(GUSP(gus, TIMERCNTRL)));
511 	printk(KERN_INFO " -S- timer data                   = 0x%x\n", inb(GUSP(gus, TIMERDATA)));
512 	printk(KERN_INFO " -S- status read                  = 0x%x\n", inb(GUSP(gus, REGCNTRLS)));
513 	printk(KERN_INFO " -S- Sound Blaster control        = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_SOUND_BLASTER_CONTROL));
514 	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));
515 	printk(KERN_INFO " -S- reset                        = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET));
516 	if (gus->interwave) {
517 		printk(KERN_INFO " -S- compatibility                = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_COMPATIBILITY));
518 		printk(KERN_INFO " -S- decode control               = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_DECODE_CONTROL));
519 		printk(KERN_INFO " -S- version number               = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_VERSION_NUMBER));
520 		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));
521 		printk(KERN_INFO " -S- emulation IRQ                = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_EMULATION_IRQ));
522 	}
523 }
524 
525 void snd_gf1_peek_print_block(struct snd_gus_card * gus, unsigned int addr, int count, int w_16bit)
526 {
527 	if (!w_16bit) {
528 		while (count-- > 0)
529 			printk(count > 0 ? "%02x:" : "%02x", snd_gf1_peek(gus, addr++));
530 	} else {
531 		while (count-- > 0) {
532 			printk(count > 0 ? "%04x:" : "%04x", snd_gf1_peek(gus, addr) | (snd_gf1_peek(gus, addr + 1) << 8));
533 			addr += 2;
534 		}
535 	}
536 }
537 
538 #endif  /*  0  */
539 
540 #endif
541