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
526
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.