1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (c) 1999 by Uros Bizjak <[email protected]>
4 * Takashi Iwai <[email protected]>
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 <linux/string_choices.h>
17 #include <sound/core.h>
18 #include <sound/control.h>
19 #include <sound/info.h>
20 #include <sound/sb16_csp.h>
21 #include <sound/initval.h>
22
23 MODULE_AUTHOR("Uros Bizjak <[email protected]>");
24 MODULE_DESCRIPTION("ALSA driver for SB16 Creative Signal Processor");
25 MODULE_LICENSE("GPL");
26 MODULE_FIRMWARE("sb16/mulaw_main.csp");
27 MODULE_FIRMWARE("sb16/alaw_main.csp");
28 MODULE_FIRMWARE("sb16/ima_adpcm_init.csp");
29 MODULE_FIRMWARE("sb16/ima_adpcm_playback.csp");
30 MODULE_FIRMWARE("sb16/ima_adpcm_capture.csp");
31
32 #ifdef SNDRV_LITTLE_ENDIAN
33 #define CSP_HDR_VALUE(a,b,c,d) ((a) | ((b)<<8) | ((c)<<16) | ((d)<<24))
34 #else
35 #define CSP_HDR_VALUE(a,b,c,d) ((d) | ((c)<<8) | ((b)<<16) | ((a)<<24))
36 #endif
37
38 #define RIFF_HEADER CSP_HDR_VALUE('R', 'I', 'F', 'F')
39 #define CSP__HEADER CSP_HDR_VALUE('C', 'S', 'P', ' ')
40 #define LIST_HEADER CSP_HDR_VALUE('L', 'I', 'S', 'T')
41 #define FUNC_HEADER CSP_HDR_VALUE('f', 'u', 'n', 'c')
42 #define CODE_HEADER CSP_HDR_VALUE('c', 'o', 'd', 'e')
43 #define INIT_HEADER CSP_HDR_VALUE('i', 'n', 'i', 't')
44 #define MAIN_HEADER CSP_HDR_VALUE('m', 'a', 'i', 'n')
45
46 /*
47 * RIFF data format
48 */
49 struct riff_header {
50 __le32 name;
51 __le32 len;
52 };
53
54 struct desc_header {
55 struct riff_header info;
56 __le16 func_nr;
57 __le16 VOC_type;
58 __le16 flags_play_rec;
59 __le16 flags_16bit_8bit;
60 __le16 flags_stereo_mono;
61 __le16 flags_rates;
62 };
63
64 /*
65 * prototypes
66 */
67 static void snd_sb_csp_free(struct snd_hwdep *hw);
68 static int snd_sb_csp_open(struct snd_hwdep * hw, struct file *file);
69 static int snd_sb_csp_ioctl(struct snd_hwdep * hw, struct file *file, unsigned int cmd, unsigned long arg);
70 static int snd_sb_csp_release(struct snd_hwdep * hw, struct file *file);
71
72 static int csp_detect(struct snd_sb *chip, int *version);
73 static int set_codec_parameter(struct snd_sb *chip, unsigned char par, unsigned char val);
74 static int set_register(struct snd_sb *chip, unsigned char reg, unsigned char val);
75 static int read_register(struct snd_sb *chip, unsigned char reg);
76 static int set_mode_register(struct snd_sb *chip, unsigned char mode);
77 static int get_version(struct snd_sb *chip);
78
79 static int snd_sb_csp_riff_load(struct snd_sb_csp * p,
80 struct snd_sb_csp_microcode __user * code);
81 static int snd_sb_csp_unload(struct snd_sb_csp * p);
82 static int snd_sb_csp_load_user(struct snd_sb_csp * p, const unsigned char __user *buf, int size, int load_flags);
83 static int snd_sb_csp_autoload(struct snd_sb_csp * p, snd_pcm_format_t pcm_sfmt, int play_rec_mode);
84 static int snd_sb_csp_check_version(struct snd_sb_csp * p);
85
86 static int snd_sb_csp_use(struct snd_sb_csp * p);
87 static int snd_sb_csp_unuse(struct snd_sb_csp * p);
88 static int snd_sb_csp_start(struct snd_sb_csp * p, int sample_width, int channels);
89 static int snd_sb_csp_stop(struct snd_sb_csp * p);
90 static int snd_sb_csp_pause(struct snd_sb_csp * p);
91 static int snd_sb_csp_restart(struct snd_sb_csp * p);
92
93 static int snd_sb_qsound_build(struct snd_sb_csp * p);
94 static void snd_sb_qsound_destroy(struct snd_sb_csp * p);
95 static int snd_sb_csp_qsound_transfer(struct snd_sb_csp * p);
96
97 static int init_proc_entry(struct snd_sb_csp * p, int device);
98 static void info_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer);
99
100 /*
101 * Detect CSP chip and create a new instance
102 */
snd_sb_csp_new(struct snd_sb * chip,int device,struct snd_hwdep ** rhwdep)103 int snd_sb_csp_new(struct snd_sb *chip, int device, struct snd_hwdep ** rhwdep)
104 {
105 struct snd_sb_csp *p;
106 int version;
107 int err;
108 struct snd_hwdep *hw;
109
110 if (rhwdep)
111 *rhwdep = NULL;
112
113 if (csp_detect(chip, &version))
114 return -ENODEV;
115
116 err = snd_hwdep_new(chip->card, "SB16-CSP", device, &hw);
117 if (err < 0)
118 return err;
119
120 p = kzalloc(sizeof(*p), GFP_KERNEL);
121 if (!p) {
122 snd_device_free(chip->card, hw);
123 return -ENOMEM;
124 }
125 p->chip = chip;
126 p->version = version;
127
128 /* CSP operators */
129 p->ops.csp_use = snd_sb_csp_use;
130 p->ops.csp_unuse = snd_sb_csp_unuse;
131 p->ops.csp_autoload = snd_sb_csp_autoload;
132 p->ops.csp_start = snd_sb_csp_start;
133 p->ops.csp_stop = snd_sb_csp_stop;
134 p->ops.csp_qsound_transfer = snd_sb_csp_qsound_transfer;
135
136 mutex_init(&p->access_mutex);
137 sprintf(hw->name, "CSP v%d.%d", (version >> 4), (version & 0x0f));
138 hw->iface = SNDRV_HWDEP_IFACE_SB16CSP;
139 hw->private_data = p;
140 hw->private_free = snd_sb_csp_free;
141
142 /* operators - only write/ioctl */
143 hw->ops.open = snd_sb_csp_open;
144 hw->ops.ioctl = snd_sb_csp_ioctl;
145 hw->ops.release = snd_sb_csp_release;
146
147 /* create a proc entry */
148 init_proc_entry(p, device);
149 if (rhwdep)
150 *rhwdep = hw;
151 return 0;
152 }
153
154 /*
155 * free_private for hwdep instance
156 */
snd_sb_csp_free(struct snd_hwdep * hwdep)157 static void snd_sb_csp_free(struct snd_hwdep *hwdep)
158 {
159 int i;
160 struct snd_sb_csp *p = hwdep->private_data;
161 if (p) {
162 if (p->running & SNDRV_SB_CSP_ST_RUNNING)
163 snd_sb_csp_stop(p);
164 for (i = 0; i < ARRAY_SIZE(p->csp_programs); ++i)
165 release_firmware(p->csp_programs[i]);
166 kfree(p);
167 }
168 }
169
170 /* ------------------------------ */
171
172 /*
173 * open the device exclusively
174 */
snd_sb_csp_open(struct snd_hwdep * hw,struct file * file)175 static int snd_sb_csp_open(struct snd_hwdep * hw, struct file *file)
176 {
177 struct snd_sb_csp *p = hw->private_data;
178 return (snd_sb_csp_use(p));
179 }
180
181 /*
182 * ioctl for hwdep device:
183 */
snd_sb_csp_ioctl(struct snd_hwdep * hw,struct file * file,unsigned int cmd,unsigned long arg)184 static int snd_sb_csp_ioctl(struct snd_hwdep * hw, struct file *file, unsigned int cmd, unsigned long arg)
185 {
186 struct snd_sb_csp *p = hw->private_data;
187 struct snd_sb_csp_info info;
188 struct snd_sb_csp_start start_info;
189 int err;
190
191 if (snd_BUG_ON(!p))
192 return -EINVAL;
193
194 if (snd_sb_csp_check_version(p))
195 return -ENODEV;
196
197 switch (cmd) {
198 /* get information */
199 case SNDRV_SB_CSP_IOCTL_INFO:
200 memset(&info, 0, sizeof(info));
201 *info.codec_name = *p->codec_name;
202 info.func_nr = p->func_nr;
203 info.acc_format = p->acc_format;
204 info.acc_channels = p->acc_channels;
205 info.acc_width = p->acc_width;
206 info.acc_rates = p->acc_rates;
207 info.csp_mode = p->mode;
208 info.run_channels = p->run_channels;
209 info.run_width = p->run_width;
210 info.version = p->version;
211 info.state = p->running;
212 if (copy_to_user((void __user *)arg, &info, sizeof(info)))
213 err = -EFAULT;
214 else
215 err = 0;
216 break;
217
218 /* load CSP microcode */
219 case SNDRV_SB_CSP_IOCTL_LOAD_CODE:
220 err = (p->running & SNDRV_SB_CSP_ST_RUNNING ?
221 -EBUSY : snd_sb_csp_riff_load(p, (struct snd_sb_csp_microcode __user *) arg));
222 break;
223 case SNDRV_SB_CSP_IOCTL_UNLOAD_CODE:
224 err = (p->running & SNDRV_SB_CSP_ST_RUNNING ?
225 -EBUSY : snd_sb_csp_unload(p));
226 break;
227
228 /* change CSP running state */
229 case SNDRV_SB_CSP_IOCTL_START:
230 if (copy_from_user(&start_info, (void __user *) arg, sizeof(start_info)))
231 err = -EFAULT;
232 else
233 err = snd_sb_csp_start(p, start_info.sample_width, start_info.channels);
234 break;
235 case SNDRV_SB_CSP_IOCTL_STOP:
236 err = snd_sb_csp_stop(p);
237 break;
238 case SNDRV_SB_CSP_IOCTL_PAUSE:
239 err = snd_sb_csp_pause(p);
240 break;
241 case SNDRV_SB_CSP_IOCTL_RESTART:
242 err = snd_sb_csp_restart(p);
243 break;
244 default:
245 err = -ENOTTY;
246 break;
247 }
248
249 return err;
250 }
251
252 /*
253 * close the device
254 */
snd_sb_csp_release(struct snd_hwdep * hw,struct file * file)255 static int snd_sb_csp_release(struct snd_hwdep * hw, struct file *file)
256 {
257 struct snd_sb_csp *p = hw->private_data;
258 return (snd_sb_csp_unuse(p));
259 }
260
261 /* ------------------------------ */
262
263 /*
264 * acquire device
265 */
snd_sb_csp_use(struct snd_sb_csp * p)266 static int snd_sb_csp_use(struct snd_sb_csp * p)
267 {
268 mutex_lock(&p->access_mutex);
269 if (p->used) {
270 mutex_unlock(&p->access_mutex);
271 return -EAGAIN;
272 }
273 p->used++;
274 mutex_unlock(&p->access_mutex);
275
276 return 0;
277
278 }
279
280 /*
281 * release device
282 */
snd_sb_csp_unuse(struct snd_sb_csp * p)283 static int snd_sb_csp_unuse(struct snd_sb_csp * p)
284 {
285 mutex_lock(&p->access_mutex);
286 p->used--;
287 mutex_unlock(&p->access_mutex);
288
289 return 0;
290 }
291
292 /*
293 * load microcode via ioctl:
294 * code is user-space pointer
295 */
snd_sb_csp_riff_load(struct snd_sb_csp * p,struct snd_sb_csp_microcode __user * mcode)296 static int snd_sb_csp_riff_load(struct snd_sb_csp * p,
297 struct snd_sb_csp_microcode __user * mcode)
298 {
299 struct snd_sb_csp_mc_header info;
300 struct device *dev = p->chip->card->dev;
301
302 unsigned char __user *data_ptr;
303 unsigned char __user *data_end;
304 unsigned short func_nr = 0;
305
306 struct riff_header file_h, item_h, code_h;
307 __le32 item_type;
308 struct desc_header funcdesc_h;
309
310 unsigned long flags;
311 int err;
312
313 if (copy_from_user(&info, mcode, sizeof(info)))
314 return -EFAULT;
315 data_ptr = mcode->data;
316
317 if (copy_from_user(&file_h, data_ptr, sizeof(file_h)))
318 return -EFAULT;
319 if ((le32_to_cpu(file_h.name) != RIFF_HEADER) ||
320 (le32_to_cpu(file_h.len) >= SNDRV_SB_CSP_MAX_MICROCODE_FILE_SIZE - sizeof(file_h))) {
321 dev_dbg(dev, "%s: Invalid RIFF header\n", __func__);
322 return -EINVAL;
323 }
324 data_ptr += sizeof(file_h);
325 data_end = data_ptr + le32_to_cpu(file_h.len);
326
327 if (copy_from_user(&item_type, data_ptr, sizeof(item_type)))
328 return -EFAULT;
329 if (le32_to_cpu(item_type) != CSP__HEADER) {
330 dev_dbg(dev, "%s: Invalid RIFF file type\n", __func__);
331 return -EINVAL;
332 }
333 data_ptr += sizeof (item_type);
334
335 for (; data_ptr < data_end; data_ptr += le32_to_cpu(item_h.len)) {
336 if (copy_from_user(&item_h, data_ptr, sizeof(item_h)))
337 return -EFAULT;
338 data_ptr += sizeof(item_h);
339 if (le32_to_cpu(item_h.name) != LIST_HEADER)
340 continue;
341
342 if (copy_from_user(&item_type, data_ptr, sizeof(item_type)))
343 return -EFAULT;
344 switch (le32_to_cpu(item_type)) {
345 case FUNC_HEADER:
346 if (copy_from_user(&funcdesc_h, data_ptr + sizeof(item_type), sizeof(funcdesc_h)))
347 return -EFAULT;
348 func_nr = le16_to_cpu(funcdesc_h.func_nr);
349 break;
350 case CODE_HEADER:
351 if (func_nr != info.func_req)
352 break; /* not required function, try next */
353 data_ptr += sizeof(item_type);
354
355 /* destroy QSound mixer element */
356 if (p->mode == SNDRV_SB_CSP_MODE_QSOUND) {
357 snd_sb_qsound_destroy(p);
358 }
359 /* Clear all flags */
360 p->running = 0;
361 p->mode = 0;
362
363 /* load microcode blocks */
364 for (;;) {
365 if (data_ptr >= data_end)
366 return -EINVAL;
367 if (copy_from_user(&code_h, data_ptr, sizeof(code_h)))
368 return -EFAULT;
369
370 /* init microcode blocks */
371 if (le32_to_cpu(code_h.name) != INIT_HEADER)
372 break;
373 data_ptr += sizeof(code_h);
374 err = snd_sb_csp_load_user(p, data_ptr, le32_to_cpu(code_h.len),
375 SNDRV_SB_CSP_LOAD_INITBLOCK);
376 if (err)
377 return err;
378 data_ptr += le32_to_cpu(code_h.len);
379 }
380 /* main microcode block */
381 if (copy_from_user(&code_h, data_ptr, sizeof(code_h)))
382 return -EFAULT;
383
384 if (le32_to_cpu(code_h.name) != MAIN_HEADER) {
385 dev_dbg(dev, "%s: Missing 'main' microcode\n", __func__);
386 return -EINVAL;
387 }
388 data_ptr += sizeof(code_h);
389 err = snd_sb_csp_load_user(p, data_ptr,
390 le32_to_cpu(code_h.len), 0);
391 if (err)
392 return err;
393
394 /* fill in codec header */
395 strscpy(p->codec_name, info.codec_name, sizeof(p->codec_name));
396 p->func_nr = func_nr;
397 p->mode = le16_to_cpu(funcdesc_h.flags_play_rec);
398 switch (le16_to_cpu(funcdesc_h.VOC_type)) {
399 case 0x0001: /* QSound decoder */
400 if (le16_to_cpu(funcdesc_h.flags_play_rec) == SNDRV_SB_CSP_MODE_DSP_WRITE) {
401 if (snd_sb_qsound_build(p) == 0)
402 /* set QSound flag and clear all other mode flags */
403 p->mode = SNDRV_SB_CSP_MODE_QSOUND;
404 }
405 p->acc_format = 0;
406 break;
407 case 0x0006: /* A Law codec */
408 p->acc_format = SNDRV_PCM_FMTBIT_A_LAW;
409 break;
410 case 0x0007: /* Mu Law codec */
411 p->acc_format = SNDRV_PCM_FMTBIT_MU_LAW;
412 break;
413 case 0x0011: /* what Creative thinks is IMA ADPCM codec */
414 case 0x0200: /* Creative ADPCM codec */
415 p->acc_format = SNDRV_PCM_FMTBIT_IMA_ADPCM;
416 break;
417 case 201: /* Text 2 Speech decoder */
418 /* TODO: Text2Speech handling routines */
419 p->acc_format = 0;
420 break;
421 case 0x0202: /* Fast Speech 8 codec */
422 case 0x0203: /* Fast Speech 10 codec */
423 p->acc_format = SNDRV_PCM_FMTBIT_SPECIAL;
424 break;
425 default: /* other codecs are unsupported */
426 p->acc_format = p->acc_width = p->acc_rates = 0;
427 p->mode = 0;
428 dev_dbg(dev, "%s: Unsupported CSP codec type: 0x%04x\n",
429 __func__,
430 le16_to_cpu(funcdesc_h.VOC_type));
431 return -EINVAL;
432 }
433 p->acc_channels = le16_to_cpu(funcdesc_h.flags_stereo_mono);
434 p->acc_width = le16_to_cpu(funcdesc_h.flags_16bit_8bit);
435 p->acc_rates = le16_to_cpu(funcdesc_h.flags_rates);
436
437 /* Decouple CSP from IRQ and DMAREQ lines */
438 spin_lock_irqsave(&p->chip->reg_lock, flags);
439 set_mode_register(p->chip, 0xfc);
440 set_mode_register(p->chip, 0x00);
441 spin_unlock_irqrestore(&p->chip->reg_lock, flags);
442
443 /* finished loading successfully */
444 p->running = SNDRV_SB_CSP_ST_LOADED; /* set LOADED flag */
445 return 0;
446 }
447 }
448 dev_dbg(dev, "%s: Function #%d not found\n", __func__, info.func_req);
449 return -EINVAL;
450 }
451
452 /*
453 * unload CSP microcode
454 */
snd_sb_csp_unload(struct snd_sb_csp * p)455 static int snd_sb_csp_unload(struct snd_sb_csp * p)
456 {
457 if (p->running & SNDRV_SB_CSP_ST_RUNNING)
458 return -EBUSY;
459 if (!(p->running & SNDRV_SB_CSP_ST_LOADED))
460 return -ENXIO;
461
462 /* clear supported formats */
463 p->acc_format = 0;
464 p->acc_channels = p->acc_width = p->acc_rates = 0;
465 /* destroy QSound mixer element */
466 if (p->mode == SNDRV_SB_CSP_MODE_QSOUND) {
467 snd_sb_qsound_destroy(p);
468 }
469 /* clear all flags */
470 p->running = 0;
471 p->mode = 0;
472 return 0;
473 }
474
475 /*
476 * send command sequence to DSP
477 */
command_seq(struct snd_sb * chip,const unsigned char * seq,int size)478 static inline int command_seq(struct snd_sb *chip, const unsigned char *seq, int size)
479 {
480 int i;
481 for (i = 0; i < size; i++) {
482 if (!snd_sbdsp_command(chip, seq[i]))
483 return -EIO;
484 }
485 return 0;
486 }
487
488 /*
489 * set CSP codec parameter
490 */
set_codec_parameter(struct snd_sb * chip,unsigned char par,unsigned char val)491 static int set_codec_parameter(struct snd_sb *chip, unsigned char par, unsigned char val)
492 {
493 unsigned char dsp_cmd[3];
494
495 dsp_cmd[0] = 0x05; /* CSP set codec parameter */
496 dsp_cmd[1] = val; /* Parameter value */
497 dsp_cmd[2] = par; /* Parameter */
498 command_seq(chip, dsp_cmd, 3);
499 snd_sbdsp_command(chip, 0x03); /* DSP read? */
500 if (snd_sbdsp_get_byte(chip) != par)
501 return -EIO;
502 return 0;
503 }
504
505 /*
506 * set CSP register
507 */
set_register(struct snd_sb * chip,unsigned char reg,unsigned char val)508 static int set_register(struct snd_sb *chip, unsigned char reg, unsigned char val)
509 {
510 unsigned char dsp_cmd[3];
511
512 dsp_cmd[0] = 0x0e; /* CSP set register */
513 dsp_cmd[1] = reg; /* CSP Register */
514 dsp_cmd[2] = val; /* value */
515 return command_seq(chip, dsp_cmd, 3);
516 }
517
518 /*
519 * read CSP register
520 * return < 0 -> error
521 */
read_register(struct snd_sb * chip,unsigned char reg)522 static int read_register(struct snd_sb *chip, unsigned char reg)
523 {
524 unsigned char dsp_cmd[2];
525
526 dsp_cmd[0] = 0x0f; /* CSP read register */
527 dsp_cmd[1] = reg; /* CSP Register */
528 command_seq(chip, dsp_cmd, 2);
529 return snd_sbdsp_get_byte(chip); /* Read DSP value */
530 }
531
532 /*
533 * set CSP mode register
534 */
set_mode_register(struct snd_sb * chip,unsigned char mode)535 static int set_mode_register(struct snd_sb *chip, unsigned char mode)
536 {
537 unsigned char dsp_cmd[2];
538
539 dsp_cmd[0] = 0x04; /* CSP set mode register */
540 dsp_cmd[1] = mode; /* mode */
541 return command_seq(chip, dsp_cmd, 2);
542 }
543
544 /*
545 * Detect CSP
546 * return 0 if CSP exists.
547 */
csp_detect(struct snd_sb * chip,int * version)548 static int csp_detect(struct snd_sb *chip, int *version)
549 {
550 unsigned char csp_test1, csp_test2;
551 unsigned long flags;
552 int result = -ENODEV;
553
554 spin_lock_irqsave(&chip->reg_lock, flags);
555
556 set_codec_parameter(chip, 0x00, 0x00);
557 set_mode_register(chip, 0xfc); /* 0xfc = ?? */
558
559 csp_test1 = read_register(chip, 0x83);
560 set_register(chip, 0x83, ~csp_test1);
561 csp_test2 = read_register(chip, 0x83);
562 if (csp_test2 != (csp_test1 ^ 0xff))
563 goto __fail;
564
565 set_register(chip, 0x83, csp_test1);
566 csp_test2 = read_register(chip, 0x83);
567 if (csp_test2 != csp_test1)
568 goto __fail;
569
570 set_mode_register(chip, 0x00); /* 0x00 = ? */
571
572 *version = get_version(chip);
573 snd_sbdsp_reset(chip); /* reset DSP after getversion! */
574 if (*version >= 0x10 && *version <= 0x1f)
575 result = 0; /* valid version id */
576
577 __fail:
578 spin_unlock_irqrestore(&chip->reg_lock, flags);
579 return result;
580 }
581
582 /*
583 * get CSP version number
584 */
get_version(struct snd_sb * chip)585 static int get_version(struct snd_sb *chip)
586 {
587 unsigned char dsp_cmd[2];
588
589 dsp_cmd[0] = 0x08; /* SB_DSP_!something! */
590 dsp_cmd[1] = 0x03; /* get chip version id? */
591 command_seq(chip, dsp_cmd, 2);
592
593 return (snd_sbdsp_get_byte(chip));
594 }
595
596 /*
597 * check if the CSP version is valid
598 */
snd_sb_csp_check_version(struct snd_sb_csp * p)599 static int snd_sb_csp_check_version(struct snd_sb_csp * p)
600 {
601 if (p->version < 0x10 || p->version > 0x1f) {
602 dev_dbg(p->chip->card->dev,
603 "%s: Invalid CSP version: 0x%x\n",
604 __func__, p->version);
605 return 1;
606 }
607 return 0;
608 }
609
610 /*
611 * download microcode to CSP (microcode should have one "main" block).
612 */
snd_sb_csp_load(struct snd_sb_csp * p,const unsigned char * buf,int size,int load_flags)613 static int snd_sb_csp_load(struct snd_sb_csp * p, const unsigned char *buf, int size, int load_flags)
614 {
615 int status, i;
616 int err;
617 int result = -EIO;
618 unsigned long flags;
619
620 spin_lock_irqsave(&p->chip->reg_lock, flags);
621 snd_sbdsp_command(p->chip, 0x01); /* CSP download command */
622 if (snd_sbdsp_get_byte(p->chip)) {
623 dev_dbg(p->chip->card->dev, "%s: Download command failed\n", __func__);
624 goto __fail;
625 }
626 /* Send CSP low byte (size - 1) */
627 snd_sbdsp_command(p->chip, (unsigned char)(size - 1));
628 /* Send high byte */
629 snd_sbdsp_command(p->chip, (unsigned char)((size - 1) >> 8));
630 /* send microcode sequence */
631 /* load from kernel space */
632 while (size--) {
633 if (!snd_sbdsp_command(p->chip, *buf++))
634 goto __fail;
635 }
636 if (snd_sbdsp_get_byte(p->chip))
637 goto __fail;
638
639 if (load_flags & SNDRV_SB_CSP_LOAD_INITBLOCK) {
640 i = 0;
641 /* some codecs (FastSpeech) take some time to initialize */
642 while (1) {
643 snd_sbdsp_command(p->chip, 0x03);
644 status = snd_sbdsp_get_byte(p->chip);
645 if (status == 0x55 || ++i >= 10)
646 break;
647 udelay (10);
648 }
649 if (status != 0x55) {
650 dev_dbg(p->chip->card->dev,
651 "%s: Microcode initialization failed\n",
652 __func__);
653 goto __fail;
654 }
655 } else {
656 /*
657 * Read mixer register SB_DSP4_DMASETUP after loading 'main' code.
658 * Start CSP chip if no 16bit DMA channel is set - some kind
659 * of autorun or perhaps a bugfix?
660 */
661 spin_lock(&p->chip->mixer_lock);
662 status = snd_sbmixer_read(p->chip, SB_DSP4_DMASETUP);
663 spin_unlock(&p->chip->mixer_lock);
664 if (!(status & (SB_DMASETUP_DMA7 | SB_DMASETUP_DMA6 | SB_DMASETUP_DMA5))) {
665 err = (set_codec_parameter(p->chip, 0xaa, 0x00) ||
666 set_codec_parameter(p->chip, 0xff, 0x00));
667 snd_sbdsp_reset(p->chip); /* really! */
668 if (err)
669 goto __fail;
670 set_mode_register(p->chip, 0xc0); /* c0 = STOP */
671 set_mode_register(p->chip, 0x70); /* 70 = RUN */
672 }
673 }
674 result = 0;
675
676 __fail:
677 spin_unlock_irqrestore(&p->chip->reg_lock, flags);
678 return result;
679 }
680
snd_sb_csp_load_user(struct snd_sb_csp * p,const unsigned char __user * buf,int size,int load_flags)681 static int snd_sb_csp_load_user(struct snd_sb_csp * p, const unsigned char __user *buf, int size, int load_flags)
682 {
683 int err;
684 unsigned char *kbuf;
685
686 kbuf = memdup_user(buf, size);
687 if (IS_ERR(kbuf))
688 return PTR_ERR(kbuf);
689
690 err = snd_sb_csp_load(p, kbuf, size, load_flags);
691
692 kfree(kbuf);
693 return err;
694 }
695
snd_sb_csp_firmware_load(struct snd_sb_csp * p,int index,int flags)696 static int snd_sb_csp_firmware_load(struct snd_sb_csp *p, int index, int flags)
697 {
698 static const char *const names[] = {
699 "sb16/mulaw_main.csp",
700 "sb16/alaw_main.csp",
701 "sb16/ima_adpcm_init.csp",
702 "sb16/ima_adpcm_playback.csp",
703 "sb16/ima_adpcm_capture.csp",
704 };
705 const struct firmware *program;
706
707 BUILD_BUG_ON(ARRAY_SIZE(names) != CSP_PROGRAM_COUNT);
708 program = p->csp_programs[index];
709 if (!program) {
710 int err = request_firmware(&program, names[index],
711 p->chip->card->dev);
712 if (err < 0)
713 return err;
714 p->csp_programs[index] = program;
715 }
716 return snd_sb_csp_load(p, program->data, program->size, flags);
717 }
718
719 /*
720 * autoload hardware codec if necessary
721 * return 0 if CSP is loaded and ready to run (p->running != 0)
722 */
snd_sb_csp_autoload(struct snd_sb_csp * p,snd_pcm_format_t pcm_sfmt,int play_rec_mode)723 static int snd_sb_csp_autoload(struct snd_sb_csp * p, snd_pcm_format_t pcm_sfmt, int play_rec_mode)
724 {
725 unsigned long flags;
726 int err = 0;
727
728 /* if CSP is running or manually loaded then exit */
729 if (p->running & (SNDRV_SB_CSP_ST_RUNNING | SNDRV_SB_CSP_ST_LOADED))
730 return -EBUSY;
731
732 /* autoload microcode only if requested hardware codec is not already loaded */
733 if (((1U << (__force int)pcm_sfmt) & p->acc_format) && (play_rec_mode & p->mode)) {
734 p->running = SNDRV_SB_CSP_ST_AUTO;
735 } else {
736 switch (pcm_sfmt) {
737 case SNDRV_PCM_FORMAT_MU_LAW:
738 err = snd_sb_csp_firmware_load(p, CSP_PROGRAM_MULAW, 0);
739 p->acc_format = SNDRV_PCM_FMTBIT_MU_LAW;
740 p->mode = SNDRV_SB_CSP_MODE_DSP_READ | SNDRV_SB_CSP_MODE_DSP_WRITE;
741 break;
742 case SNDRV_PCM_FORMAT_A_LAW:
743 err = snd_sb_csp_firmware_load(p, CSP_PROGRAM_ALAW, 0);
744 p->acc_format = SNDRV_PCM_FMTBIT_A_LAW;
745 p->mode = SNDRV_SB_CSP_MODE_DSP_READ | SNDRV_SB_CSP_MODE_DSP_WRITE;
746 break;
747 case SNDRV_PCM_FORMAT_IMA_ADPCM:
748 err = snd_sb_csp_firmware_load(p, CSP_PROGRAM_ADPCM_INIT,
749 SNDRV_SB_CSP_LOAD_INITBLOCK);
750 if (err)
751 break;
752 if (play_rec_mode == SNDRV_SB_CSP_MODE_DSP_WRITE) {
753 err = snd_sb_csp_firmware_load
754 (p, CSP_PROGRAM_ADPCM_PLAYBACK, 0);
755 p->mode = SNDRV_SB_CSP_MODE_DSP_WRITE;
756 } else {
757 err = snd_sb_csp_firmware_load
758 (p, CSP_PROGRAM_ADPCM_CAPTURE, 0);
759 p->mode = SNDRV_SB_CSP_MODE_DSP_READ;
760 }
761 p->acc_format = SNDRV_PCM_FMTBIT_IMA_ADPCM;
762 break;
763 default:
764 /* Decouple CSP from IRQ and DMAREQ lines */
765 if (p->running & SNDRV_SB_CSP_ST_AUTO) {
766 spin_lock_irqsave(&p->chip->reg_lock, flags);
767 set_mode_register(p->chip, 0xfc);
768 set_mode_register(p->chip, 0x00);
769 spin_unlock_irqrestore(&p->chip->reg_lock, flags);
770 p->running = 0; /* clear autoloaded flag */
771 }
772 return -EINVAL;
773 }
774 if (err) {
775 p->acc_format = 0;
776 p->acc_channels = p->acc_width = p->acc_rates = 0;
777
778 p->running = 0; /* clear autoloaded flag */
779 p->mode = 0;
780 return (err);
781 } else {
782 p->running = SNDRV_SB_CSP_ST_AUTO; /* set autoloaded flag */
783 p->acc_width = SNDRV_SB_CSP_SAMPLE_16BIT; /* only 16 bit data */
784 p->acc_channels = SNDRV_SB_CSP_MONO | SNDRV_SB_CSP_STEREO;
785 p->acc_rates = SNDRV_SB_CSP_RATE_ALL; /* HW codecs accept all rates */
786 }
787
788 }
789 return (p->running & SNDRV_SB_CSP_ST_AUTO) ? 0 : -ENXIO;
790 }
791
792 /*
793 * start CSP
794 */
snd_sb_csp_start(struct snd_sb_csp * p,int sample_width,int channels)795 static int snd_sb_csp_start(struct snd_sb_csp * p, int sample_width, int channels)
796 {
797 struct device *dev = p->chip->card->dev;
798 unsigned char s_type; /* sample type */
799 unsigned char mixL, mixR;
800 int result = -EIO;
801 unsigned long flags;
802
803 if (!(p->running & (SNDRV_SB_CSP_ST_LOADED | SNDRV_SB_CSP_ST_AUTO))) {
804 dev_dbg(dev, "%s: Microcode not loaded\n", __func__);
805 return -ENXIO;
806 }
807 if (p->running & SNDRV_SB_CSP_ST_RUNNING) {
808 dev_dbg(dev, "%s: CSP already running\n", __func__);
809 return -EBUSY;
810 }
811 if (!(sample_width & p->acc_width)) {
812 dev_dbg(dev, "%s: Unsupported PCM sample width\n", __func__);
813 return -EINVAL;
814 }
815 if (!(channels & p->acc_channels)) {
816 dev_dbg(dev, "%s: Invalid number of channels\n", __func__);
817 return -EINVAL;
818 }
819
820 /* Mute PCM volume */
821 spin_lock_irqsave(&p->chip->mixer_lock, flags);
822 mixL = snd_sbmixer_read(p->chip, SB_DSP4_PCM_DEV);
823 mixR = snd_sbmixer_read(p->chip, SB_DSP4_PCM_DEV + 1);
824 snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV, mixL & 0x7);
825 snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV + 1, mixR & 0x7);
826 spin_unlock_irqrestore(&p->chip->mixer_lock, flags);
827
828 spin_lock(&p->chip->reg_lock);
829 set_mode_register(p->chip, 0xc0); /* c0 = STOP */
830 set_mode_register(p->chip, 0x70); /* 70 = RUN */
831
832 s_type = 0x00;
833 if (channels == SNDRV_SB_CSP_MONO)
834 s_type = 0x11; /* 000n 000n (n = 1 if mono) */
835 if (sample_width == SNDRV_SB_CSP_SAMPLE_8BIT)
836 s_type |= 0x22; /* 00dX 00dX (d = 1 if 8 bit samples) */
837
838 if (set_codec_parameter(p->chip, 0x81, s_type)) {
839 dev_dbg(dev, "%s: Set sample type command failed\n", __func__);
840 goto __fail;
841 }
842 if (set_codec_parameter(p->chip, 0x80, 0x00)) {
843 dev_dbg(dev, "%s: Codec start command failed\n", __func__);
844 goto __fail;
845 }
846 p->run_width = sample_width;
847 p->run_channels = channels;
848
849 p->running |= SNDRV_SB_CSP_ST_RUNNING;
850
851 if (p->mode & SNDRV_SB_CSP_MODE_QSOUND) {
852 set_codec_parameter(p->chip, 0xe0, 0x01);
853 /* enable QSound decoder */
854 set_codec_parameter(p->chip, 0x00, 0xff);
855 set_codec_parameter(p->chip, 0x01, 0xff);
856 p->running |= SNDRV_SB_CSP_ST_QSOUND;
857 /* set QSound startup value */
858 snd_sb_csp_qsound_transfer(p);
859 }
860 result = 0;
861
862 __fail:
863 spin_unlock(&p->chip->reg_lock);
864
865 /* restore PCM volume */
866 spin_lock_irqsave(&p->chip->mixer_lock, flags);
867 snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV, mixL);
868 snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV + 1, mixR);
869 spin_unlock_irqrestore(&p->chip->mixer_lock, flags);
870
871 return result;
872 }
873
874 /*
875 * stop CSP
876 */
snd_sb_csp_stop(struct snd_sb_csp * p)877 static int snd_sb_csp_stop(struct snd_sb_csp * p)
878 {
879 int result;
880 unsigned char mixL, mixR;
881 unsigned long flags;
882
883 if (!(p->running & SNDRV_SB_CSP_ST_RUNNING))
884 return 0;
885
886 /* Mute PCM volume */
887 spin_lock_irqsave(&p->chip->mixer_lock, flags);
888 mixL = snd_sbmixer_read(p->chip, SB_DSP4_PCM_DEV);
889 mixR = snd_sbmixer_read(p->chip, SB_DSP4_PCM_DEV + 1);
890 snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV, mixL & 0x7);
891 snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV + 1, mixR & 0x7);
892 spin_unlock_irqrestore(&p->chip->mixer_lock, flags);
893
894 spin_lock(&p->chip->reg_lock);
895 if (p->running & SNDRV_SB_CSP_ST_QSOUND) {
896 set_codec_parameter(p->chip, 0xe0, 0x01);
897 /* disable QSound decoder */
898 set_codec_parameter(p->chip, 0x00, 0x00);
899 set_codec_parameter(p->chip, 0x01, 0x00);
900
901 p->running &= ~SNDRV_SB_CSP_ST_QSOUND;
902 }
903 result = set_mode_register(p->chip, 0xc0); /* c0 = STOP */
904 spin_unlock(&p->chip->reg_lock);
905
906 /* restore PCM volume */
907 spin_lock_irqsave(&p->chip->mixer_lock, flags);
908 snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV, mixL);
909 snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV + 1, mixR);
910 spin_unlock_irqrestore(&p->chip->mixer_lock, flags);
911
912 if (!(result))
913 p->running &= ~(SNDRV_SB_CSP_ST_PAUSED | SNDRV_SB_CSP_ST_RUNNING);
914 return result;
915 }
916
917 /*
918 * pause CSP codec and hold DMA transfer
919 */
snd_sb_csp_pause(struct snd_sb_csp * p)920 static int snd_sb_csp_pause(struct snd_sb_csp * p)
921 {
922 int result;
923 unsigned long flags;
924
925 if (!(p->running & SNDRV_SB_CSP_ST_RUNNING))
926 return -EBUSY;
927
928 spin_lock_irqsave(&p->chip->reg_lock, flags);
929 result = set_codec_parameter(p->chip, 0x80, 0xff);
930 spin_unlock_irqrestore(&p->chip->reg_lock, flags);
931 if (!(result))
932 p->running |= SNDRV_SB_CSP_ST_PAUSED;
933
934 return result;
935 }
936
937 /*
938 * restart CSP codec and resume DMA transfer
939 */
snd_sb_csp_restart(struct snd_sb_csp * p)940 static int snd_sb_csp_restart(struct snd_sb_csp * p)
941 {
942 int result;
943 unsigned long flags;
944
945 if (!(p->running & SNDRV_SB_CSP_ST_PAUSED))
946 return -EBUSY;
947
948 spin_lock_irqsave(&p->chip->reg_lock, flags);
949 result = set_codec_parameter(p->chip, 0x80, 0x00);
950 spin_unlock_irqrestore(&p->chip->reg_lock, flags);
951 if (!(result))
952 p->running &= ~SNDRV_SB_CSP_ST_PAUSED;
953
954 return result;
955 }
956
957 /* ------------------------------ */
958
959 /*
960 * QSound mixer control for PCM
961 */
962
963 #define snd_sb_qsound_switch_info snd_ctl_boolean_mono_info
964
snd_sb_qsound_switch_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)965 static int snd_sb_qsound_switch_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
966 {
967 struct snd_sb_csp *p = snd_kcontrol_chip(kcontrol);
968
969 ucontrol->value.integer.value[0] = p->q_enabled ? 1 : 0;
970 return 0;
971 }
972
snd_sb_qsound_switch_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)973 static int snd_sb_qsound_switch_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
974 {
975 struct snd_sb_csp *p = snd_kcontrol_chip(kcontrol);
976 unsigned long flags;
977 int change;
978 unsigned char nval;
979
980 nval = ucontrol->value.integer.value[0] & 0x01;
981 spin_lock_irqsave(&p->q_lock, flags);
982 change = p->q_enabled != nval;
983 p->q_enabled = nval;
984 spin_unlock_irqrestore(&p->q_lock, flags);
985 return change;
986 }
987
snd_sb_qsound_space_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)988 static int snd_sb_qsound_space_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
989 {
990 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
991 uinfo->count = 2;
992 uinfo->value.integer.min = 0;
993 uinfo->value.integer.max = SNDRV_SB_CSP_QSOUND_MAX_RIGHT;
994 return 0;
995 }
996
snd_sb_qsound_space_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)997 static int snd_sb_qsound_space_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
998 {
999 struct snd_sb_csp *p = snd_kcontrol_chip(kcontrol);
1000 unsigned long flags;
1001
1002 spin_lock_irqsave(&p->q_lock, flags);
1003 ucontrol->value.integer.value[0] = p->qpos_left;
1004 ucontrol->value.integer.value[1] = p->qpos_right;
1005 spin_unlock_irqrestore(&p->q_lock, flags);
1006 return 0;
1007 }
1008
snd_sb_qsound_space_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)1009 static int snd_sb_qsound_space_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1010 {
1011 struct snd_sb_csp *p = snd_kcontrol_chip(kcontrol);
1012 unsigned long flags;
1013 int change;
1014 unsigned char nval1, nval2;
1015
1016 nval1 = ucontrol->value.integer.value[0];
1017 if (nval1 > SNDRV_SB_CSP_QSOUND_MAX_RIGHT)
1018 nval1 = SNDRV_SB_CSP_QSOUND_MAX_RIGHT;
1019 nval2 = ucontrol->value.integer.value[1];
1020 if (nval2 > SNDRV_SB_CSP_QSOUND_MAX_RIGHT)
1021 nval2 = SNDRV_SB_CSP_QSOUND_MAX_RIGHT;
1022 spin_lock_irqsave(&p->q_lock, flags);
1023 change = p->qpos_left != nval1 || p->qpos_right != nval2;
1024 p->qpos_left = nval1;
1025 p->qpos_right = nval2;
1026 p->qpos_changed = change;
1027 spin_unlock_irqrestore(&p->q_lock, flags);
1028 return change;
1029 }
1030
1031 static const struct snd_kcontrol_new snd_sb_qsound_switch = {
1032 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1033 .name = "3D Control - Switch",
1034 .info = snd_sb_qsound_switch_info,
1035 .get = snd_sb_qsound_switch_get,
1036 .put = snd_sb_qsound_switch_put
1037 };
1038
1039 static const struct snd_kcontrol_new snd_sb_qsound_space = {
1040 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1041 .name = "3D Control - Space",
1042 .info = snd_sb_qsound_space_info,
1043 .get = snd_sb_qsound_space_get,
1044 .put = snd_sb_qsound_space_put
1045 };
1046
snd_sb_qsound_build(struct snd_sb_csp * p)1047 static int snd_sb_qsound_build(struct snd_sb_csp * p)
1048 {
1049 struct snd_card *card;
1050 struct snd_kcontrol *kctl;
1051 int err;
1052
1053 if (snd_BUG_ON(!p))
1054 return -EINVAL;
1055
1056 card = p->chip->card;
1057 p->qpos_left = p->qpos_right = SNDRV_SB_CSP_QSOUND_MAX_RIGHT / 2;
1058 p->qpos_changed = 0;
1059
1060 spin_lock_init(&p->q_lock);
1061
1062 kctl = snd_ctl_new1(&snd_sb_qsound_switch, p);
1063 err = snd_ctl_add(card, kctl);
1064 if (err < 0)
1065 goto __error;
1066 p->qsound_switch = kctl;
1067 kctl = snd_ctl_new1(&snd_sb_qsound_space, p);
1068 err = snd_ctl_add(card, kctl);
1069 if (err < 0)
1070 goto __error;
1071 p->qsound_space = kctl;
1072
1073 return 0;
1074
1075 __error:
1076 snd_sb_qsound_destroy(p);
1077 return err;
1078 }
1079
snd_sb_qsound_destroy(struct snd_sb_csp * p)1080 static void snd_sb_qsound_destroy(struct snd_sb_csp * p)
1081 {
1082 struct snd_card *card;
1083 unsigned long flags;
1084
1085 if (snd_BUG_ON(!p))
1086 return;
1087
1088 card = p->chip->card;
1089
1090 snd_ctl_remove(card, p->qsound_switch);
1091 p->qsound_switch = NULL;
1092 snd_ctl_remove(card, p->qsound_space);
1093 p->qsound_space = NULL;
1094
1095 /* cancel pending transfer of QSound parameters */
1096 spin_lock_irqsave (&p->q_lock, flags);
1097 p->qpos_changed = 0;
1098 spin_unlock_irqrestore (&p->q_lock, flags);
1099 }
1100
1101 /*
1102 * Transfer qsound parameters to CSP,
1103 * function should be called from interrupt routine
1104 */
snd_sb_csp_qsound_transfer(struct snd_sb_csp * p)1105 static int snd_sb_csp_qsound_transfer(struct snd_sb_csp * p)
1106 {
1107 int err = -ENXIO;
1108
1109 spin_lock(&p->q_lock);
1110 if (p->running & SNDRV_SB_CSP_ST_QSOUND) {
1111 set_codec_parameter(p->chip, 0xe0, 0x01);
1112 /* left channel */
1113 set_codec_parameter(p->chip, 0x00, p->qpos_left);
1114 set_codec_parameter(p->chip, 0x02, 0x00);
1115 /* right channel */
1116 set_codec_parameter(p->chip, 0x00, p->qpos_right);
1117 set_codec_parameter(p->chip, 0x03, 0x00);
1118 err = 0;
1119 }
1120 p->qpos_changed = 0;
1121 spin_unlock(&p->q_lock);
1122 return err;
1123 }
1124
1125 /* ------------------------------ */
1126
1127 /*
1128 * proc interface
1129 */
init_proc_entry(struct snd_sb_csp * p,int device)1130 static int init_proc_entry(struct snd_sb_csp * p, int device)
1131 {
1132 char name[16];
1133
1134 sprintf(name, "cspD%d", device);
1135 snd_card_ro_proc_new(p->chip->card, name, p, info_read);
1136 return 0;
1137 }
1138
info_read(struct snd_info_entry * entry,struct snd_info_buffer * buffer)1139 static void info_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
1140 {
1141 struct snd_sb_csp *p = entry->private_data;
1142
1143 snd_iprintf(buffer, "Creative Signal Processor [v%d.%d]\n", (p->version >> 4), (p->version & 0x0f));
1144 snd_iprintf(buffer, "State: %cx%c%c%c\n", ((p->running & SNDRV_SB_CSP_ST_QSOUND) ? 'Q' : '-'),
1145 ((p->running & SNDRV_SB_CSP_ST_PAUSED) ? 'P' : '-'),
1146 ((p->running & SNDRV_SB_CSP_ST_RUNNING) ? 'R' : '-'),
1147 ((p->running & SNDRV_SB_CSP_ST_LOADED) ? 'L' : '-'));
1148 if (p->running & SNDRV_SB_CSP_ST_LOADED) {
1149 snd_iprintf(buffer, "Codec: %s [func #%d]\n", p->codec_name, p->func_nr);
1150 snd_iprintf(buffer, "Sample rates: ");
1151 if (p->acc_rates == SNDRV_SB_CSP_RATE_ALL) {
1152 snd_iprintf(buffer, "All\n");
1153 } else {
1154 snd_iprintf(buffer, "%s%s%s%s\n",
1155 ((p->acc_rates & SNDRV_SB_CSP_RATE_8000) ? "8000Hz " : ""),
1156 ((p->acc_rates & SNDRV_SB_CSP_RATE_11025) ? "11025Hz " : ""),
1157 ((p->acc_rates & SNDRV_SB_CSP_RATE_22050) ? "22050Hz " : ""),
1158 ((p->acc_rates & SNDRV_SB_CSP_RATE_44100) ? "44100Hz" : ""));
1159 }
1160 if (p->mode == SNDRV_SB_CSP_MODE_QSOUND) {
1161 snd_iprintf(buffer, "QSound decoder %s\n",
1162 str_enabled_disabled(p->q_enabled));
1163 } else {
1164 snd_iprintf(buffer, "PCM format ID: 0x%x (%s/%s) [%s/%s] [%s/%s]\n",
1165 p->acc_format,
1166 ((p->acc_width & SNDRV_SB_CSP_SAMPLE_16BIT) ? "16bit" : "-"),
1167 ((p->acc_width & SNDRV_SB_CSP_SAMPLE_8BIT) ? "8bit" : "-"),
1168 ((p->acc_channels & SNDRV_SB_CSP_MONO) ? "mono" : "-"),
1169 ((p->acc_channels & SNDRV_SB_CSP_STEREO) ? "stereo" : "-"),
1170 ((p->mode & SNDRV_SB_CSP_MODE_DSP_WRITE) ? "playback" : "-"),
1171 ((p->mode & SNDRV_SB_CSP_MODE_DSP_READ) ? "capture" : "-"));
1172 }
1173 }
1174 if (p->running & SNDRV_SB_CSP_ST_AUTO) {
1175 snd_iprintf(buffer, "Autoloaded Mu-Law, A-Law or Ima-ADPCM hardware codec\n");
1176 }
1177 if (p->running & SNDRV_SB_CSP_ST_RUNNING) {
1178 snd_iprintf(buffer, "Processing %dbit %s PCM samples\n",
1179 ((p->run_width & SNDRV_SB_CSP_SAMPLE_16BIT) ? 16 : 8),
1180 ((p->run_channels & SNDRV_SB_CSP_MONO) ? "mono" : "stereo"));
1181 }
1182 if (p->running & SNDRV_SB_CSP_ST_QSOUND) {
1183 snd_iprintf(buffer, "Qsound position: left = 0x%x, right = 0x%x\n",
1184 p->qpos_left, p->qpos_right);
1185 }
1186 }
1187
1188 /* */
1189
1190 EXPORT_SYMBOL(snd_sb_csp_new);
1191