1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (c) 1999 by Uros Bizjak <uros@kss-loka.si>
4 * Takashi Iwai <tiwai@suse.de>
5 *
6 * SB16ASP/AWE32 CSP control
7 *
8 * CSP microcode loader:
9 * alsa-tools/sb16_csp/
10 */
11
12 #include <linux/delay.h>
13 #include <linux/init.h>
14 #include <linux/slab.h>
15 #include <linux/module.h>
16 #include <sound/core.h>
17 #include <sound/control.h>
18 #include <sound/info.h>
19 #include <sound/sb16_csp.h>
20 #include <sound/initval.h>
21
22 MODULE_AUTHOR("Uros Bizjak <uros@kss-loka.si>");
23 MODULE_DESCRIPTION("ALSA driver for SB16 Creative Signal Processor");
24 MODULE_LICENSE("GPL");
25 MODULE_FIRMWARE("sb16/mulaw_main.csp");
26 MODULE_FIRMWARE("sb16/alaw_main.csp");
27 MODULE_FIRMWARE("sb16/ima_adpcm_init.csp");
28 MODULE_FIRMWARE("sb16/ima_adpcm_playback.csp");
29 MODULE_FIRMWARE("sb16/ima_adpcm_capture.csp");
30
31 #ifdef SNDRV_LITTLE_ENDIAN
32 #define CSP_HDR_VALUE(a,b,c,d) ((a) | ((b)<<8) | ((c)<<16) | ((d)<<24))
33 #else
34 #define CSP_HDR_VALUE(a,b,c,d) ((d) | ((c)<<8) | ((b)<<16) | ((a)<<24))
35 #endif
36
37 #define RIFF_HEADER CSP_HDR_VALUE('R', 'I', 'F', 'F')
38 #define CSP__HEADER CSP_HDR_VALUE('C', 'S', 'P', ' ')
39 #define LIST_HEADER CSP_HDR_VALUE('L', 'I', 'S', 'T')
40 #define FUNC_HEADER CSP_HDR_VALUE('f', 'u', 'n', 'c')
41 #define CODE_HEADER CSP_HDR_VALUE('c', 'o', 'd', 'e')
42 #define INIT_HEADER CSP_HDR_VALUE('i', 'n', 'i', 't')
43 #define MAIN_HEADER CSP_HDR_VALUE('m', 'a', 'i', 'n')
44
45 /*
46 * RIFF data format
47 */
48 struct riff_header {
49 __le32 name;
50 __le32 len;
51 };
52
53 struct desc_header {
54 struct riff_header info;
55 __le16 func_nr;
56 __le16 VOC_type;
57 __le16 flags_play_rec;
58 __le16 flags_16bit_8bit;
59 __le16 flags_stereo_mono;
60 __le16 flags_rates;
61 };
62
63 /*
64 * prototypes
65 */
66 static void snd_sb_csp_free(struct snd_hwdep *hw);
67 static int snd_sb_csp_open(struct snd_hwdep * hw, struct file *file);
68 static int snd_sb_csp_ioctl(struct snd_hwdep * hw, struct file *file, unsigned int cmd, unsigned long arg);
69 static int snd_sb_csp_release(struct snd_hwdep * hw, struct file *file);
70
71 static int csp_detect(struct snd_sb *chip, int *version);
72 static int set_codec_parameter(struct snd_sb *chip, unsigned char par, unsigned char val);
73 static int set_register(struct snd_sb *chip, unsigned char reg, unsigned char val);
74 static int read_register(struct snd_sb *chip, unsigned char reg);
75 static int set_mode_register(struct snd_sb *chip, unsigned char mode);
76 static int get_version(struct snd_sb *chip);
77
78 static int snd_sb_csp_riff_load(struct snd_sb_csp * p,
79 struct snd_sb_csp_microcode __user * code);
80 static int snd_sb_csp_unload(struct snd_sb_csp * p);
81 static int snd_sb_csp_load_user(struct snd_sb_csp * p, const unsigned char __user *buf, int size, int load_flags);
82 static int snd_sb_csp_autoload(struct snd_sb_csp * p, snd_pcm_format_t pcm_sfmt, int play_rec_mode);
83 static int snd_sb_csp_check_version(struct snd_sb_csp * p);
84
85 static int snd_sb_csp_use(struct snd_sb_csp * p);
86 static int snd_sb_csp_unuse(struct snd_sb_csp * p);
87 static int snd_sb_csp_start(struct snd_sb_csp * p, int sample_width, int channels);
88 static int snd_sb_csp_stop(struct snd_sb_csp * p);
89 static int snd_sb_csp_pause(struct snd_sb_csp * p);
90 static int snd_sb_csp_restart(struct snd_sb_csp * p);
91
92 static int snd_sb_qsound_build(struct snd_sb_csp * p);
93 static void snd_sb_qsound_destroy(struct snd_sb_csp * p);
94 static int snd_sb_csp_qsound_transfer(struct snd_sb_csp * p);
95
96 static int init_proc_entry(struct snd_sb_csp * p, int device);
97 static void info_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer);
98
99 /*
100 * Detect CSP chip and create a new instance
101 */
snd_sb_csp_new(struct snd_sb * chip,int device,struct snd_hwdep ** rhwdep)102 int snd_sb_csp_new(struct snd_sb *chip, int device, struct snd_hwdep ** rhwdep)
103 {
104 struct snd_sb_csp *p;
105 int version;
106 int err;
107 struct snd_hwdep *hw;
108
109 if (rhwdep)
110 *rhwdep = NULL;
111
112 if (csp_detect(chip, &version))
113 return -ENODEV;
114
115 err = snd_hwdep_new(chip->card, "SB16-CSP", device, &hw);
116 if (err < 0)
117 return err;
118
119 p = kzalloc(sizeof(*p), GFP_KERNEL);
120 if (!p) {
121 snd_device_free(chip->card, hw);
122 return -ENOMEM;
123 }
124 p->chip = chip;
125 p->version = version;
126
127 /* CSP operators */
128 p->ops.csp_use = snd_sb_csp_use;
129 p->ops.csp_unuse = snd_sb_csp_unuse;
130 p->ops.csp_autoload = snd_sb_csp_autoload;
131 p->ops.csp_start = snd_sb_csp_start;
132 p->ops.csp_stop = snd_sb_csp_stop;
133 p->ops.csp_qsound_transfer = snd_sb_csp_qsound_transfer;
134
135 mutex_init(&p->access_mutex);
136 sprintf(hw->name, "CSP v%d.%d", (version >> 4), (version & 0x0f));
137 hw->iface = SNDRV_HWDEP_IFACE_SB16CSP;
138 hw->private_data = p;
139 hw->private_free = snd_sb_csp_free;
140
141 /* operators - only write/ioctl */
142 hw->ops.open = snd_sb_csp_open;
143 hw->ops.ioctl = snd_sb_csp_ioctl;
144 hw->ops.release = snd_sb_csp_release;
145
146 /* create a proc entry */
147 init_proc_entry(p, device);
148 if (rhwdep)
149 *rhwdep = hw;
150 return 0;
151 }
152
153 /*
154 * free_private for hwdep instance
155 */
snd_sb_csp_free(struct snd_hwdep * hwdep)156 static void snd_sb_csp_free(struct snd_hwdep *hwdep)
157 {
158 int i;
159 struct snd_sb_csp *p = hwdep->private_data;
160 if (p) {
161 if (p->running & SNDRV_SB_CSP_ST_RUNNING)
162 snd_sb_csp_stop(p);
163 for (i = 0; i < ARRAY_SIZE(p->csp_programs); ++i)
164 release_firmware(p->csp_programs[i]);
165 kfree(p);
166 }
167 }
168
169 /* ------------------------------ */
170
171 /*
172 * open the device exclusively
173 */
snd_sb_csp_open(struct snd_hwdep * hw,struct file * file)174 static int snd_sb_csp_open(struct snd_hwdep * hw, struct file *file)
175 {
176 struct snd_sb_csp *p = hw->private_data;
177 return (snd_sb_csp_use(p));
178 }
179
180 /*
181 * ioctl for hwdep device:
182 */
snd_sb_csp_ioctl(struct snd_hwdep * hw,struct file * file,unsigned int cmd,unsigned long arg)183 static int snd_sb_csp_ioctl(struct snd_hwdep * hw, struct file *file, unsigned int cmd, unsigned long arg)
184 {
185 struct snd_sb_csp *p = hw->private_data;
186 struct snd_sb_csp_info info;
187 struct snd_sb_csp_start start_info;
188 int err;
189
190 if (snd_BUG_ON(!p))
191 return -EINVAL;
192
193 if (snd_sb_csp_check_version(p))
194 return -ENODEV;
195
196 switch (cmd) {
197 /* get information */
198 case SNDRV_SB_CSP_IOCTL_INFO:
199 memset(&info, 0, sizeof(info));
200 *info.codec_name = *p->codec_name;
201 info.func_nr = p->func_nr;
202 info.acc_format = p->acc_format;
203 info.acc_channels = p->acc_channels;
204 info.acc_width = p->acc_width;
205 info.acc_rates = p->acc_rates;
206 info.csp_mode = p->mode;
207 info.run_channels = p->run_channels;
208 info.run_width = p->run_width;
209 info.version = p->version;
210 info.state = p->running;
211 if (copy_to_user((void __user *)arg, &info, sizeof(info)))
212 err = -EFAULT;
213 else
214 err = 0;
215 break;
216
217 /* load CSP microcode */
218 case SNDRV_SB_CSP_IOCTL_LOAD_CODE:
219 err = (p->running & SNDRV_SB_CSP_ST_RUNNING ?
220 -EBUSY : snd_sb_csp_riff_load(p, (struct snd_sb_csp_microcode __user *) arg));
221 break;
222 case SNDRV_SB_CSP_IOCTL_UNLOAD_CODE:
223 err = (p->running & SNDRV_SB_CSP_ST_RUNNING ?
224 -EBUSY : snd_sb_csp_unload(p));
225 break;
226
227 /* change CSP running state */
228 case SNDRV_SB_CSP_IOCTL_START:
229 if (copy_from_user(&start_info, (void __user *) arg, sizeof(start_info)))
230 err = -EFAULT;
231 else
232 err = snd_sb_csp_start(p, start_info.sample_width, start_info.channels);
233 break;
234 case SNDRV_SB_CSP_IOCTL_STOP:
235 err = snd_sb_csp_stop(p);
236 break;
237 case SNDRV_SB_CSP_IOCTL_PAUSE:
238 err = snd_sb_csp_pause(p);
239 break;
240 case SNDRV_SB_CSP_IOCTL_RESTART:
241 err = snd_sb_csp_restart(p);
242 break;
243 default:
244 err = -ENOTTY;
245 break;
246 }
247
248 return err;
249 }
250
251 /*
252 * close the device
253 */
snd_sb_csp_release(struct snd_hwdep * hw,struct file * file)254 static int snd_sb_csp_release(struct snd_hwdep * hw, struct file *file)
255 {
256 struct snd_sb_csp *p = hw->private_data;
257 return (snd_sb_csp_unuse(p));
258 }
259
260 /* ------------------------------ */
261
262 /*
263 * acquire device
264 */
snd_sb_csp_use(struct snd_sb_csp * p)265 static int snd_sb_csp_use(struct snd_sb_csp * p)
266 {
267 mutex_lock(&p->access_mutex);
268 if (p->used) {
269 mutex_unlock(&p->access_mutex);
270 return -EAGAIN;
271 }
272 p->used++;
273 mutex_unlock(&p->access_mutex);
274
275 return 0;
276
277 }
278
279 /*
280 * release device
281 */
snd_sb_csp_unuse(struct snd_sb_csp * p)282 static int snd_sb_csp_unuse(struct snd_sb_csp * p)
283 {
284 mutex_lock(&p->access_mutex);
285 p->used--;
286 mutex_unlock(&p->access_mutex);
287
288 return 0;
289 }
290
291 /*
292 * load microcode via ioctl:
293 * code is user-space pointer
294 */
snd_sb_csp_riff_load(struct snd_sb_csp * p,struct snd_sb_csp_microcode __user * mcode)295 static int snd_sb_csp_riff_load(struct snd_sb_csp * p,
296 struct snd_sb_csp_microcode __user * mcode)
297 {
298 struct snd_sb_csp_mc_header info;
299 struct device *dev = p->chip->card->dev;
300
301 unsigned char __user *data_ptr;
302 unsigned char __user *data_end;
303 unsigned short func_nr = 0;
304
305 struct riff_header file_h, item_h, code_h;
306 __le32 item_type;
307 struct desc_header funcdesc_h;
308
309 unsigned long flags;
310 int err;
311
312 if (copy_from_user(&info, mcode, sizeof(info)))
313 return -EFAULT;
314 data_ptr = mcode->data;
315
316 if (copy_from_user(&file_h, data_ptr, sizeof(file_h)))
317 return -EFAULT;
318 if ((le32_to_cpu(file_h.name) != RIFF_HEADER) ||
319 (le32_to_cpu(file_h.len) >= SNDRV_SB_CSP_MAX_MICROCODE_FILE_SIZE - sizeof(file_h))) {
320 dev_dbg(dev, "%s: Invalid RIFF header\n", __func__);
321 return -EINVAL;
322 }
323 data_ptr += sizeof(file_h);
324 data_end = data_ptr + le32_to_cpu(file_h.len);
325
326 if (copy_from_user(&item_type, data_ptr, sizeof(item_type)))
327 return -EFAULT;
328 if (le32_to_cpu(item_type) != CSP__HEADER) {
329 dev_dbg(dev, "%s: Invalid RIFF file type\n", __func__);
330 return -EINVAL;
331 }
332 data_ptr += sizeof (item_type);
333
334 for (; data_ptr < data_end; data_ptr += le32_to_cpu(item_h.len)) {
335 if (copy_from_user(&item_h, data_ptr, sizeof(item_h)))
336 return -EFAULT;
337 data_ptr += sizeof(item_h);
338 if (le32_to_cpu(item_h.name) != LIST_HEADER)
339 continue;
340
341 if (copy_from_user(&item_type, data_ptr, sizeof(item_type)))
342 return -EFAULT;
343 switch (le32_to_cpu(item_type)) {
344 case FUNC_HEADER:
345 if (copy_from_user(&funcdesc_h, data_ptr + sizeof(item_type), sizeof(funcdesc_h)))
346 return -EFAULT;
347 func_nr = le16_to_cpu(funcdesc_h.func_nr);
348 break;
349 case CODE_HEADER:
350 if (func_nr != info.func_req)
351 break; /* not required function, try next */
352 data_ptr += sizeof(item_type);
353
354 /* destroy QSound mixer element */
355 if (p->mode == SNDRV_SB_CSP_MODE_QSOUND) {
356 snd_sb_qsound_destroy(p);
357 }
358 /* Clear all flags */
359 p->running = 0;
360 p->mode = 0;
361
362 /* load microcode blocks */
363 for (;;) {
364 if (data_ptr >= data_end)
365 return -EINVAL;
366 if (copy_from_user(&code_h, data_ptr, sizeof(code_h)))
367 return -EFAULT;
368
369 /* init microcode blocks */
370 if (le32_to_cpu(code_h.name) != INIT_HEADER)
371 break;
372 data_ptr += sizeof(code_h);
373 err = snd_sb_csp_load_user(p, data_ptr, le32_to_cpu(code_h.len),
374 SNDRV_SB_CSP_LOAD_INITBLOCK);
375 if (err)
376 return err;
377 data_ptr += le32_to_cpu(code_h.len);
378 }
379 /* main microcode block */
380 if (copy_from_user(&code_h, data_ptr, sizeof(code_h)))
381 return -EFAULT;
382
383 if (le32_to_cpu(code_h.name) != MAIN_HEADER) {
384 dev_dbg(dev, "%s: Missing 'main' microcode\n", __func__);
385 return -EINVAL;
386 }
387 data_ptr += sizeof(code_h);
388 err = snd_sb_csp_load_user(p, data_ptr,
389 le32_to_cpu(code_h.len), 0);
390 if (err)
391 return err;
392
393 /* fill in codec header */
394 strscpy(p->codec_name, info.codec_name, sizeof(p->codec_name));
395 p->func_nr = func_nr;
396 p->mode = le16_to_cpu(funcdesc_h.flags_play_rec);
397 switch (le16_to_cpu(funcdesc_h.VOC_type)) {
398 case 0x0001: /* QSound decoder */
399 if (le16_to_cpu(funcdesc_h.flags_play_rec) == SNDRV_SB_CSP_MODE_DSP_WRITE) {
400 if (snd_sb_qsound_build(p) == 0)
401 /* set QSound flag and clear all other mode flags */
402 p->mode = SNDRV_SB_CSP_MODE_QSOUND;
403 }
404 p->acc_format = 0;
405 break;
406 case 0x0006: /* A Law codec */
407 p->acc_format = SNDRV_PCM_FMTBIT_A_LAW;
408 break;
409 case 0x0007: /* Mu Law codec */
410 p->acc_format = SNDRV_PCM_FMTBIT_MU_LAW;
411 break;
412 case 0x0011: /* what Creative thinks is IMA ADPCM codec */
413 case 0x0200: /* Creative ADPCM codec */
414 p->acc_format = SNDRV_PCM_FMTBIT_IMA_ADPCM;
415 break;
416 case 201: /* Text 2 Speech decoder */
417 /* TODO: Text2Speech handling routines */
418 p->acc_format = 0;
419 break;
420 case 0x0202: /* Fast Speech 8 codec */
421 case 0x0203: /* Fast Speech 10 codec */
422 p->acc_format = SNDRV_PCM_FMTBIT_SPECIAL;
423 break;
424 default: /* other codecs are unsupported */
425 p->acc_format = p->acc_width = p->acc_rates = 0;
426 p->mode = 0;
427 dev_dbg(dev, "%s: Unsupported CSP codec type: 0x%04x\n",
428 __func__,
429 le16_to_cpu(funcdesc_h.VOC_type));
430 return -EINVAL;
431 }
432 p->acc_channels = le16_to_cpu(funcdesc_h.flags_stereo_mono);
433 p->acc_width = le16_to_cpu(funcdesc_h.flags_16bit_8bit);
434 p->acc_rates = le16_to_cpu(funcdesc_h.flags_rates);
435
436 /* Decouple CSP from IRQ and DMAREQ lines */
437 spin_lock_irqsave(&p->chip->reg_lock, flags);
438 set_mode_register(p->chip, 0xfc);
439 set_mode_register(p->chip, 0x00);
440 spin_unlock_irqrestore(&p->chip->reg_lock, flags);
441
442 /* finished loading successfully */
443 p->running = SNDRV_SB_CSP_ST_LOADED; /* set LOADED flag */
444 return 0;
445 }
446 }
447 dev_dbg(dev, "%s: Function #%d not found\n", __func__, info.func_req);
448 return -EINVAL;
449 }
450
451 /*
452 * unload CSP microcode
453 */
snd_sb_csp_unload(struct snd_sb_csp * p)454 static int snd_sb_csp_unload(struct snd_sb_csp * p)
455 {
456 if (p->running & SNDRV_SB_CSP_ST_RUNNING)
457 return -EBUSY;
458 if (!(p->running & SNDRV_SB_CSP_ST_LOADED))
459 return -ENXIO;
460
461 /* clear supported formats */
462 p->acc_format = 0;
463 p->acc_channels = p->acc_width = p->acc_rates = 0;
464 /* destroy QSound mixer element */
465 if (p->mode == SNDRV_SB_CSP_MODE_QSOUND) {
466 snd_sb_qsound_destroy(p);
467 }
468 /* clear all flags */
469 p->running = 0;
470 p->mode = 0;
471 return 0;
472 }
473
474 /*
475 * send command sequence to DSP
476 */
command_seq(struct snd_sb * chip,const unsigned char * seq,int size)477 static inline int command_seq(struct snd_sb *chip, const unsigned char *seq, int size)
478 {
479 int i;
480 for (i = 0; i < size; i++) {
481 if (!snd_sbdsp_command(chip, seq[i]))
482 return -EIO;
483 }
484 return 0;
485 }
486
487 /*
488 * set CSP codec parameter
489 */
set_codec_parameter(struct snd_sb * chip,unsigned char par,unsigned char val)490 static int set_codec_parameter(struct snd_sb *chip, unsigned char par, unsigned char val)
491 {
492 unsigned char dsp_cmd[3];
493
494 dsp_cmd[0] = 0x05; /* CSP set codec parameter */
495 dsp_cmd[1] = val; /* Parameter value */
496 dsp_cmd[2] = par; /* Parameter */
497 command_seq(chip, dsp_cmd, 3);
498 snd_sbdsp_command(chip, 0x03); /* DSP read? */
499 if (snd_sbdsp_get_byte(chip) != par)
500 return -EIO;
501 return 0;
502 }
503
504 /*
505 * set CSP register
506 */
set_register(struct snd_sb * chip,unsigned char reg,unsigned char val)507 static int set_register(struct snd_sb *chip, unsigned char reg, unsigned char val)
508 {
509 unsigned char dsp_cmd[3];
510
511 dsp_cmd[0] = 0x0e; /* CSP set register */
512 dsp_cmd[1] = reg; /* CSP Register */
513 dsp_cmd[2] = val; /* value */
514 return command_seq(chip, dsp_cmd, 3);
515 }
516
517 /*
518 * read CSP register
519 * return < 0 -> error
520 */
read_register(struct snd_sb * chip,unsigned char reg)521 static int read_register(struct snd_sb *chip, unsigned char reg)
522 {
523 unsigned char dsp_cmd[2];
524
525 dsp_cmd[0] = 0x0f; /* CSP read register */
526 dsp_cmd[1] = reg; /* CSP Register */
527 command_seq(chip, dsp_cmd, 2);
528 return snd_sbdsp_get_byte(chip); /* Read DSP value */
529 }
530
531 /*
532 * set CSP mode register
533 */
set_mode_register(struct snd_sb * chip,unsigned char mode)534 static int set_mode_register(struct snd_sb *chip, unsigned char mode)
535 {
536 unsigned char dsp_cmd[2];
537
538 dsp_cmd[0] = 0x04; /* CSP set mode register */
539 dsp_cmd[1] = mode; /* mode */
540 return command_seq(chip, dsp_cmd, 2);
541 }
542
543 /*
544 * Detect CSP
545 * return 0 if CSP exists.
546 */
csp_detect(struct snd_sb * chip,int * version)547 static int csp_detect(struct snd_sb *chip, int *version)
548 {
549 unsigned char csp_test1, csp_test2;
550 unsigned long flags;
551 int result = -ENODEV;
552
553 spin_lock_irqsave(&chip->reg_lock, flags);
554
555 set_codec_parameter(chip, 0x00, 0x00);
556 set_mode_register(chip, 0xfc); /* 0xfc = ?? */
557
558 csp_test1 = read_register(chip, 0x83);
559 set_register(chip, 0x83, ~csp_test1);
560 csp_test2 = read_register(chip, 0x83);
561 if (csp_test2 != (csp_test1 ^ 0xff))
562 goto __fail;
563
564 set_register(chip, 0x83, csp_test1);
565 csp_test2 = read_register(chip, 0x83);
566 if (csp_test2 != csp_test1)
567 goto __fail;
568
569 set_mode_register(chip, 0x00); /* 0x00 = ? */
570
571 *version = get_version(chip);
572 snd_sbdsp_reset(chip); /* reset DSP after getversion! */
573 if (*version >= 0x10 && *version <= 0x1f)
574 result = 0; /* valid version id */
575
576 __fail:
577 spin_unlock_irqrestore(&chip->reg_lock, flags);
578 return result;
579 }
580
581 /*
582 * get CSP version number
583 */
get_version(struct snd_sb * chip)584 static int get_version(struct snd_sb *chip)
585 {
586 unsigned char dsp_cmd[2];
587
588 dsp_cmd[0] = 0x08; /* SB_DSP_!something! */
589 dsp_cmd[1] = 0x03; /* get chip version id? */
590 command_seq(chip, dsp_cmd, 2);
591
592 return (snd_sbdsp_get_byte(chip));
593 }
594
595 /*
596 * check if the CSP version is valid
597 */
snd_sb_csp_check_version(struct snd_sb_csp * p)598 static int snd_sb_csp_check_version(struct snd_sb_csp * p)
599 {
600 if (p->version < 0x10 || p->version > 0x1f) {
601 dev_dbg(p->chip->card->dev,
602 "%s: Invalid CSP version: 0x%x\n",
603 __func__, p->version);
604 return 1;
605 }
606 return 0;
607 }
608
609 /*
610 * download microcode to CSP (microcode should have one "main" block).
611 */
snd_sb_csp_load(struct snd_sb_csp * p,const unsigned char * buf,int size,int load_flags)612 static int snd_sb_csp_load(struct snd_sb_csp * p, const unsigned char *buf, int size, int load_flags)
613 {
614 int status, i;
615 int err;
616 int result = -EIO;
617 unsigned long flags;
618
619 spin_lock_irqsave(&p->chip->reg_lock, flags);
620 snd_sbdsp_command(p->chip, 0x01); /* CSP download command */
621 if (snd_sbdsp_get_byte(p->chip)) {
622 dev_dbg(p->chip->card->dev, "%s: Download command failed\n", __func__);
623 goto __fail;
624 }
625 /* Send CSP low byte (size - 1) */
626 snd_sbdsp_command(p->chip, (unsigned char)(size - 1));
627 /* Send high byte */
628 snd_sbdsp_command(p->chip, (unsigned char)((size - 1) >> 8));
629 /* send microcode sequence */
630 /* load from kernel space */
631 while (size--) {
632 if (!snd_sbdsp_command(p->chip, *buf++))
633 goto __fail;
634 }
635 if (snd_sbdsp_get_byte(p->chip))
636 goto __fail;
637
638 if (load_flags & SNDRV_SB_CSP_LOAD_INITBLOCK) {
639 i = 0;
640 /* some codecs (FastSpeech) take some time to initialize */
641 while (1) {
642 snd_sbdsp_command(p->chip, 0x03);
643 status = snd_sbdsp_get_byte(p->chip);
644 if (status == 0x55 || ++i >= 10)
645 break;
646 udelay (10);
647 }
648 if (status != 0x55) {
649 dev_dbg(p->chip->card->dev,
650 "%s: Microcode initialization failed\n",
651 __func__);
652 goto __fail;
653 }
654 } else {
655 /*
656 * Read mixer register SB_DSP4_DMASETUP after loading 'main' code.
657 * Start CSP chip if no 16bit DMA channel is set - some kind
658 * of autorun or perhaps a bugfix?
659 */
660 spin_lock(&p->chip->mixer_lock);
661 status = snd_sbmixer_read(p->chip, SB_DSP4_DMASETUP);
662 spin_unlock(&p->chip->mixer_lock);
663 if (!(status & (SB_DMASETUP_DMA7 | SB_DMASETUP_DMA6 | SB_DMASETUP_DMA5))) {
664 err = (set_codec_parameter(p->chip, 0xaa, 0x00) ||
665 set_codec_parameter(p->chip, 0xff, 0x00));
666 snd_sbdsp_reset(p->chip); /* really! */
667 if (err)
668 goto __fail;
669 set_mode_register(p->chip, 0xc0); /* c0 = STOP */
670 set_mode_register(p->chip, 0x70); /* 70 = RUN */
671 }
672 }
673 result = 0;
674
675 __fail:
676 spin_unlock_irqrestore(&p->chip->reg_lock, flags);
677 return result;
678 }
679
snd_sb_csp_load_user(struct snd_sb_csp * p,const unsigned char __user * buf,int size,int load_flags)680 static int snd_sb_csp_load_user(struct snd_sb_csp * p, const unsigned char __user *buf, int size, int load_flags)
681 {
682 int err;
683 unsigned char *kbuf;
684
685 kbuf = memdup_user(buf, size);
686 if (IS_ERR(kbuf))
687 return PTR_ERR(kbuf);
688
689 err = snd_sb_csp_load(p, kbuf, size, load_flags);
690
691 kfree(kbuf);
692 return err;
693 }
694
snd_sb_csp_firmware_load(struct snd_sb_csp * p,int index,int flags)695 static int snd_sb_csp_firmware_load(struct snd_sb_csp *p, int index, int flags)
696 {
697 static const char *const names[] = {
698 "sb16/mulaw_main.csp",
699 "sb16/alaw_main.csp",
700 "sb16/ima_adpcm_init.csp",
701 "sb16/ima_adpcm_playback.csp",
702 "sb16/ima_adpcm_capture.csp",
703 };
704 const struct firmware *program;
705
706 BUILD_BUG_ON(ARRAY_SIZE(names) != CSP_PROGRAM_COUNT);
707 program = p->csp_programs[index];
708 if (!program) {
709 int err = request_firmware(&program, names[index],
710 p->chip->card->dev);
711 if (err < 0)
712 return err;
713 p->csp_programs[index] = program;
714 }
715 return snd_sb_csp_load(p, program->data, program->size, flags);
716 }
717
718 /*
719 * autoload hardware codec if necessary
720 * return 0 if CSP is loaded and ready to run (p->running != 0)
721 */
snd_sb_csp_autoload(struct snd_sb_csp * p,snd_pcm_format_t pcm_sfmt,int play_rec_mode)722 static int snd_sb_csp_autoload(struct snd_sb_csp * p, snd_pcm_format_t pcm_sfmt, int play_rec_mode)
723 {
724 unsigned long flags;
725 int err = 0;
726
727 /* if CSP is running or manually loaded then exit */
728 if (p->running & (SNDRV_SB_CSP_ST_RUNNING | SNDRV_SB_CSP_ST_LOADED))
729 return -EBUSY;
730
731 /* autoload microcode only if requested hardware codec is not already loaded */
732 if (((1U << (__force int)pcm_sfmt) & p->acc_format) && (play_rec_mode & p->mode)) {
733 p->running = SNDRV_SB_CSP_ST_AUTO;
734 } else {
735 switch (pcm_sfmt) {
736 case SNDRV_PCM_FORMAT_MU_LAW:
737 err = snd_sb_csp_firmware_load(p, CSP_PROGRAM_MULAW, 0);
738 p->acc_format = SNDRV_PCM_FMTBIT_MU_LAW;
739 p->mode = SNDRV_SB_CSP_MODE_DSP_READ | SNDRV_SB_CSP_MODE_DSP_WRITE;
740 break;
741 case SNDRV_PCM_FORMAT_A_LAW:
742 err = snd_sb_csp_firmware_load(p, CSP_PROGRAM_ALAW, 0);
743 p->acc_format = SNDRV_PCM_FMTBIT_A_LAW;
744 p->mode = SNDRV_SB_CSP_MODE_DSP_READ | SNDRV_SB_CSP_MODE_DSP_WRITE;
745 break;
746 case SNDRV_PCM_FORMAT_IMA_ADPCM:
747 err = snd_sb_csp_firmware_load(p, CSP_PROGRAM_ADPCM_INIT,
748 SNDRV_SB_CSP_LOAD_INITBLOCK);
749 if (err)
750 break;
751 if (play_rec_mode == SNDRV_SB_CSP_MODE_DSP_WRITE) {
752 err = snd_sb_csp_firmware_load
753 (p, CSP_PROGRAM_ADPCM_PLAYBACK, 0);
754 p->mode = SNDRV_SB_CSP_MODE_DSP_WRITE;
755 } else {
756 err = snd_sb_csp_firmware_load
757 (p, CSP_PROGRAM_ADPCM_CAPTURE, 0);
758 p->mode = SNDRV_SB_CSP_MODE_DSP_READ;
759 }
760 p->acc_format = SNDRV_PCM_FMTBIT_IMA_ADPCM;
761 break;
762 default:
763 /* Decouple CSP from IRQ and DMAREQ lines */
764 if (p->running & SNDRV_SB_CSP_ST_AUTO) {
765 spin_lock_irqsave(&p->chip->reg_lock, flags);
766 set_mode_register(p->chip, 0xfc);
767 set_mode_register(p->chip, 0x00);
768 spin_unlock_irqrestore(&p->chip->reg_lock, flags);
769 p->running = 0; /* clear autoloaded flag */
770 }
771 return -EINVAL;
772 }
773 if (err) {
774 p->acc_format = 0;
775 p->acc_channels = p->acc_width = p->acc_rates = 0;
776
777 p->running = 0; /* clear autoloaded flag */
778 p->mode = 0;
779 return (err);
780 } else {
781 p->running = SNDRV_SB_CSP_ST_AUTO; /* set autoloaded flag */
782 p->acc_width = SNDRV_SB_CSP_SAMPLE_16BIT; /* only 16 bit data */
783 p->acc_channels = SNDRV_SB_CSP_MONO | SNDRV_SB_CSP_STEREO;
784 p->acc_rates = SNDRV_SB_CSP_RATE_ALL; /* HW codecs accept all rates */
785 }
786
787 }
788 return (p->running & SNDRV_SB_CSP_ST_AUTO) ? 0 : -ENXIO;
789 }
790
791 /*
792 * start CSP
793 */
snd_sb_csp_start(struct snd_sb_csp * p,int sample_width,int channels)794 static int snd_sb_csp_start(struct snd_sb_csp * p, int sample_width, int channels)
795 {
796 struct device *dev = p->chip->card->dev;
797 unsigned char s_type; /* sample type */
798 unsigned char mixL, mixR;
799 int result = -EIO;
800 unsigned long flags;
801
802 if (!(p->running & (SNDRV_SB_CSP_ST_LOADED | SNDRV_SB_CSP_ST_AUTO))) {
803 dev_dbg(dev, "%s: Microcode not loaded\n", __func__);
804 return -ENXIO;
805 }
806 if (p->running & SNDRV_SB_CSP_ST_RUNNING) {
807 dev_dbg(dev, "%s: CSP already running\n", __func__);
808 return -EBUSY;
809 }
810 if (!(sample_width & p->acc_width)) {
811 dev_dbg(dev, "%s: Unsupported PCM sample width\n", __func__);
812 return -EINVAL;
813 }
814 if (!(channels & p->acc_channels)) {
815 dev_dbg(dev, "%s: Invalid number of channels\n", __func__);
816 return -EINVAL;
817 }
818
819 /* Mute PCM volume */
820 spin_lock_irqsave(&p->chip->mixer_lock, flags);
821 mixL = snd_sbmixer_read(p->chip, SB_DSP4_PCM_DEV);
822 mixR = snd_sbmixer_read(p->chip, SB_DSP4_PCM_DEV + 1);
823 snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV, mixL & 0x7);
824 snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV + 1, mixR & 0x7);
825 spin_unlock_irqrestore(&p->chip->mixer_lock, flags);
826
827 spin_lock(&p->chip->reg_lock);
828 set_mode_register(p->chip, 0xc0); /* c0 = STOP */
829 set_mode_register(p->chip, 0x70); /* 70 = RUN */
830
831 s_type = 0x00;
832 if (channels == SNDRV_SB_CSP_MONO)
833 s_type = 0x11; /* 000n 000n (n = 1 if mono) */
834 if (sample_width == SNDRV_SB_CSP_SAMPLE_8BIT)
835 s_type |= 0x22; /* 00dX 00dX (d = 1 if 8 bit samples) */
836
837 if (set_codec_parameter(p->chip, 0x81, s_type)) {
838 dev_dbg(dev, "%s: Set sample type command failed\n", __func__);
839 goto __fail;
840 }
841 if (set_codec_parameter(p->chip, 0x80, 0x00)) {
842 dev_dbg(dev, "%s: Codec start command failed\n", __func__);
843 goto __fail;
844 }
845 p->run_width = sample_width;
846 p->run_channels = channels;
847
848 p->running |= SNDRV_SB_CSP_ST_RUNNING;
849
850 if (p->mode & SNDRV_SB_CSP_MODE_QSOUND) {
851 set_codec_parameter(p->chip, 0xe0, 0x01);
852 /* enable QSound decoder */
853 set_codec_parameter(p->chip, 0x00, 0xff);
854 set_codec_parameter(p->chip, 0x01, 0xff);
855 p->running |= SNDRV_SB_CSP_ST_QSOUND;
856 /* set QSound startup value */
857 snd_sb_csp_qsound_transfer(p);
858 }
859 result = 0;
860
861 __fail:
862 spin_unlock(&p->chip->reg_lock);
863
864 /* restore PCM volume */
865 spin_lock_irqsave(&p->chip->mixer_lock, flags);
866 snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV, mixL);
867 snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV + 1, mixR);
868 spin_unlock_irqrestore(&p->chip->mixer_lock, flags);
869
870 return result;
871 }
872
873 /*
874 * stop CSP
875 */
snd_sb_csp_stop(struct snd_sb_csp * p)876 static int snd_sb_csp_stop(struct snd_sb_csp * p)
877 {
878 int result;
879 unsigned char mixL, mixR;
880 unsigned long flags;
881
882 if (!(p->running & SNDRV_SB_CSP_ST_RUNNING))
883 return 0;
884
885 /* Mute PCM volume */
886 spin_lock_irqsave(&p->chip->mixer_lock, flags);
887 mixL = snd_sbmixer_read(p->chip, SB_DSP4_PCM_DEV);
888 mixR = snd_sbmixer_read(p->chip, SB_DSP4_PCM_DEV + 1);
889 snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV, mixL & 0x7);
890 snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV + 1, mixR & 0x7);
891 spin_unlock_irqrestore(&p->chip->mixer_lock, flags);
892
893 spin_lock(&p->chip->reg_lock);
894 if (p->running & SNDRV_SB_CSP_ST_QSOUND) {
895 set_codec_parameter(p->chip, 0xe0, 0x01);
896 /* disable QSound decoder */
897 set_codec_parameter(p->chip, 0x00, 0x00);
898 set_codec_parameter(p->chip, 0x01, 0x00);
899
900 p->running &= ~SNDRV_SB_CSP_ST_QSOUND;
901 }
902 result = set_mode_register(p->chip, 0xc0); /* c0 = STOP */
903 spin_unlock(&p->chip->reg_lock);
904
905 /* restore PCM volume */
906 spin_lock_irqsave(&p->chip->mixer_lock, flags);
907 snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV, mixL);
908 snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV + 1, mixR);
909 spin_unlock_irqrestore(&p->chip->mixer_lock, flags);
910
911 if (!(result))
912 p->running &= ~(SNDRV_SB_CSP_ST_PAUSED | SNDRV_SB_CSP_ST_RUNNING);
913 return result;
914 }
915
916 /*
917 * pause CSP codec and hold DMA transfer
918 */
snd_sb_csp_pause(struct snd_sb_csp * p)919 static int snd_sb_csp_pause(struct snd_sb_csp * p)
920 {
921 int result;
922 unsigned long flags;
923
924 if (!(p->running & SNDRV_SB_CSP_ST_RUNNING))
925 return -EBUSY;
926
927 spin_lock_irqsave(&p->chip->reg_lock, flags);
928 result = set_codec_parameter(p->chip, 0x80, 0xff);
929 spin_unlock_irqrestore(&p->chip->reg_lock, flags);
930 if (!(result))
931 p->running |= SNDRV_SB_CSP_ST_PAUSED;
932
933 return result;
934 }
935
936 /*
937 * restart CSP codec and resume DMA transfer
938 */
snd_sb_csp_restart(struct snd_sb_csp * p)939 static int snd_sb_csp_restart(struct snd_sb_csp * p)
940 {
941 int result;
942 unsigned long flags;
943
944 if (!(p->running & SNDRV_SB_CSP_ST_PAUSED))
945 return -EBUSY;
946
947 spin_lock_irqsave(&p->chip->reg_lock, flags);
948 result = set_codec_parameter(p->chip, 0x80, 0x00);
949 spin_unlock_irqrestore(&p->chip->reg_lock, flags);
950 if (!(result))
951 p->running &= ~SNDRV_SB_CSP_ST_PAUSED;
952
953 return result;
954 }
955
956 /* ------------------------------ */
957
958 /*
959 * QSound mixer control for PCM
960 */
961
962 #define snd_sb_qsound_switch_info snd_ctl_boolean_mono_info
963
snd_sb_qsound_switch_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)964 static int snd_sb_qsound_switch_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
965 {
966 struct snd_sb_csp *p = snd_kcontrol_chip(kcontrol);
967
968 ucontrol->value.integer.value[0] = p->q_enabled ? 1 : 0;
969 return 0;
970 }
971
snd_sb_qsound_switch_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)972 static int snd_sb_qsound_switch_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
973 {
974 struct snd_sb_csp *p = snd_kcontrol_chip(kcontrol);
975 unsigned long flags;
976 int change;
977 unsigned char nval;
978
979 nval = ucontrol->value.integer.value[0] & 0x01;
980 spin_lock_irqsave(&p->q_lock, flags);
981 change = p->q_enabled != nval;
982 p->q_enabled = nval;
983 spin_unlock_irqrestore(&p->q_lock, flags);
984 return change;
985 }
986
snd_sb_qsound_space_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)987 static int snd_sb_qsound_space_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
988 {
989 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
990 uinfo->count = 2;
991 uinfo->value.integer.min = 0;
992 uinfo->value.integer.max = SNDRV_SB_CSP_QSOUND_MAX_RIGHT;
993 return 0;
994 }
995
snd_sb_qsound_space_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)996 static int snd_sb_qsound_space_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
997 {
998 struct snd_sb_csp *p = snd_kcontrol_chip(kcontrol);
999 unsigned long flags;
1000
1001 spin_lock_irqsave(&p->q_lock, flags);
1002 ucontrol->value.integer.value[0] = p->qpos_left;
1003 ucontrol->value.integer.value[1] = p->qpos_right;
1004 spin_unlock_irqrestore(&p->q_lock, flags);
1005 return 0;
1006 }
1007
snd_sb_qsound_space_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)1008 static int snd_sb_qsound_space_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1009 {
1010 struct snd_sb_csp *p = snd_kcontrol_chip(kcontrol);
1011 unsigned long flags;
1012 int change;
1013 unsigned char nval1, nval2;
1014
1015 nval1 = ucontrol->value.integer.value[0];
1016 if (nval1 > SNDRV_SB_CSP_QSOUND_MAX_RIGHT)
1017 nval1 = SNDRV_SB_CSP_QSOUND_MAX_RIGHT;
1018 nval2 = ucontrol->value.integer.value[1];
1019 if (nval2 > SNDRV_SB_CSP_QSOUND_MAX_RIGHT)
1020 nval2 = SNDRV_SB_CSP_QSOUND_MAX_RIGHT;
1021 spin_lock_irqsave(&p->q_lock, flags);
1022 change = p->qpos_left != nval1 || p->qpos_right != nval2;
1023 p->qpos_left = nval1;
1024 p->qpos_right = nval2;
1025 p->qpos_changed = change;
1026 spin_unlock_irqrestore(&p->q_lock, flags);
1027 return change;
1028 }
1029
1030 static const struct snd_kcontrol_new snd_sb_qsound_switch = {
1031 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1032 .name = "3D Control - Switch",
1033 .info = snd_sb_qsound_switch_info,
1034 .get = snd_sb_qsound_switch_get,
1035 .put = snd_sb_qsound_switch_put
1036 };
1037
1038 static const struct snd_kcontrol_new snd_sb_qsound_space = {
1039 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1040 .name = "3D Control - Space",
1041 .info = snd_sb_qsound_space_info,
1042 .get = snd_sb_qsound_space_get,
1043 .put = snd_sb_qsound_space_put
1044 };
1045
snd_sb_qsound_build(struct snd_sb_csp * p)1046 static int snd_sb_qsound_build(struct snd_sb_csp * p)
1047 {
1048 struct snd_card *card;
1049 struct snd_kcontrol *kctl;
1050 int err;
1051
1052 if (snd_BUG_ON(!p))
1053 return -EINVAL;
1054
1055 card = p->chip->card;
1056 p->qpos_left = p->qpos_right = SNDRV_SB_CSP_QSOUND_MAX_RIGHT / 2;
1057 p->qpos_changed = 0;
1058
1059 spin_lock_init(&p->q_lock);
1060
1061 kctl = snd_ctl_new1(&snd_sb_qsound_switch, p);
1062 err = snd_ctl_add(card, kctl);
1063 if (err < 0)
1064 goto __error;
1065 p->qsound_switch = kctl;
1066 kctl = snd_ctl_new1(&snd_sb_qsound_space, p);
1067 err = snd_ctl_add(card, kctl);
1068 if (err < 0)
1069 goto __error;
1070 p->qsound_space = kctl;
1071
1072 return 0;
1073
1074 __error:
1075 snd_sb_qsound_destroy(p);
1076 return err;
1077 }
1078
snd_sb_qsound_destroy(struct snd_sb_csp * p)1079 static void snd_sb_qsound_destroy(struct snd_sb_csp * p)
1080 {
1081 struct snd_card *card;
1082 unsigned long flags;
1083
1084 if (snd_BUG_ON(!p))
1085 return;
1086
1087 card = p->chip->card;
1088
1089 snd_ctl_remove(card, p->qsound_switch);
1090 p->qsound_switch = NULL;
1091 snd_ctl_remove(card, p->qsound_space);
1092 p->qsound_space = NULL;
1093
1094 /* cancel pending transfer of QSound parameters */
1095 spin_lock_irqsave (&p->q_lock, flags);
1096 p->qpos_changed = 0;
1097 spin_unlock_irqrestore (&p->q_lock, flags);
1098 }
1099
1100 /*
1101 * Transfer qsound parameters to CSP,
1102 * function should be called from interrupt routine
1103 */
snd_sb_csp_qsound_transfer(struct snd_sb_csp * p)1104 static int snd_sb_csp_qsound_transfer(struct snd_sb_csp * p)
1105 {
1106 int err = -ENXIO;
1107
1108 spin_lock(&p->q_lock);
1109 if (p->running & SNDRV_SB_CSP_ST_QSOUND) {
1110 set_codec_parameter(p->chip, 0xe0, 0x01);
1111 /* left channel */
1112 set_codec_parameter(p->chip, 0x00, p->qpos_left);
1113 set_codec_parameter(p->chip, 0x02, 0x00);
1114 /* right channel */
1115 set_codec_parameter(p->chip, 0x00, p->qpos_right);
1116 set_codec_parameter(p->chip, 0x03, 0x00);
1117 err = 0;
1118 }
1119 p->qpos_changed = 0;
1120 spin_unlock(&p->q_lock);
1121 return err;
1122 }
1123
1124 /* ------------------------------ */
1125
1126 /*
1127 * proc interface
1128 */
init_proc_entry(struct snd_sb_csp * p,int device)1129 static int init_proc_entry(struct snd_sb_csp * p, int device)
1130 {
1131 char name[16];
1132
1133 sprintf(name, "cspD%d", device);
1134 snd_card_ro_proc_new(p->chip->card, name, p, info_read);
1135 return 0;
1136 }
1137
info_read(struct snd_info_entry * entry,struct snd_info_buffer * buffer)1138 static void info_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
1139 {
1140 struct snd_sb_csp *p = entry->private_data;
1141
1142 snd_iprintf(buffer, "Creative Signal Processor [v%d.%d]\n", (p->version >> 4), (p->version & 0x0f));
1143 snd_iprintf(buffer, "State: %cx%c%c%c\n", ((p->running & SNDRV_SB_CSP_ST_QSOUND) ? 'Q' : '-'),
1144 ((p->running & SNDRV_SB_CSP_ST_PAUSED) ? 'P' : '-'),
1145 ((p->running & SNDRV_SB_CSP_ST_RUNNING) ? 'R' : '-'),
1146 ((p->running & SNDRV_SB_CSP_ST_LOADED) ? 'L' : '-'));
1147 if (p->running & SNDRV_SB_CSP_ST_LOADED) {
1148 snd_iprintf(buffer, "Codec: %s [func #%d]\n", p->codec_name, p->func_nr);
1149 snd_iprintf(buffer, "Sample rates: ");
1150 if (p->acc_rates == SNDRV_SB_CSP_RATE_ALL) {
1151 snd_iprintf(buffer, "All\n");
1152 } else {
1153 snd_iprintf(buffer, "%s%s%s%s\n",
1154 ((p->acc_rates & SNDRV_SB_CSP_RATE_8000) ? "8000Hz " : ""),
1155 ((p->acc_rates & SNDRV_SB_CSP_RATE_11025) ? "11025Hz " : ""),
1156 ((p->acc_rates & SNDRV_SB_CSP_RATE_22050) ? "22050Hz " : ""),
1157 ((p->acc_rates & SNDRV_SB_CSP_RATE_44100) ? "44100Hz" : ""));
1158 }
1159 if (p->mode == SNDRV_SB_CSP_MODE_QSOUND) {
1160 snd_iprintf(buffer, "QSound decoder %sabled\n",
1161 p->q_enabled ? "en" : "dis");
1162 } else {
1163 snd_iprintf(buffer, "PCM format ID: 0x%x (%s/%s) [%s/%s] [%s/%s]\n",
1164 p->acc_format,
1165 ((p->acc_width & SNDRV_SB_CSP_SAMPLE_16BIT) ? "16bit" : "-"),
1166 ((p->acc_width & SNDRV_SB_CSP_SAMPLE_8BIT) ? "8bit" : "-"),
1167 ((p->acc_channels & SNDRV_SB_CSP_MONO) ? "mono" : "-"),
1168 ((p->acc_channels & SNDRV_SB_CSP_STEREO) ? "stereo" : "-"),
1169 ((p->mode & SNDRV_SB_CSP_MODE_DSP_WRITE) ? "playback" : "-"),
1170 ((p->mode & SNDRV_SB_CSP_MODE_DSP_READ) ? "capture" : "-"));
1171 }
1172 }
1173 if (p->running & SNDRV_SB_CSP_ST_AUTO) {
1174 snd_iprintf(buffer, "Autoloaded Mu-Law, A-Law or Ima-ADPCM hardware codec\n");
1175 }
1176 if (p->running & SNDRV_SB_CSP_ST_RUNNING) {
1177 snd_iprintf(buffer, "Processing %dbit %s PCM samples\n",
1178 ((p->run_width & SNDRV_SB_CSP_SAMPLE_16BIT) ? 16 : 8),
1179 ((p->run_channels & SNDRV_SB_CSP_MONO) ? "mono" : "stereo"));
1180 }
1181 if (p->running & SNDRV_SB_CSP_ST_QSOUND) {
1182 snd_iprintf(buffer, "Qsound position: left = 0x%x, right = 0x%x\n",
1183 p->qpos_left, p->qpos_right);
1184 }
1185 }
1186
1187 /* */
1188
1189 EXPORT_SYMBOL(snd_sb_csp_new);
1190