0470461cc03eb8887e9f79459e206cad99b9b5e2
[linux-3.10.git] / sound / pci / ca0106 / ca0106_proc.c
1 /*
2  *  Copyright (c) 2004 James Courtier-Dutton <James@superbug.demon.co.uk>
3  *  Driver CA0106 chips. e.g. Sound Blaster Audigy LS and Live 24bit
4  *  Version: 0.0.18
5  *
6  *  FEATURES currently supported:
7  *    See ca0106_main.c for features.
8  * 
9  *  Changelog:
10  *    Support interrupts per period.
11  *    Removed noise from Center/LFE channel when in Analog mode.
12  *    Rename and remove mixer controls.
13  *  0.0.6
14  *    Use separate card based DMA buffer for periods table list.
15  *  0.0.7
16  *    Change remove and rename ctrls into lists.
17  *  0.0.8
18  *    Try to fix capture sources.
19  *  0.0.9
20  *    Fix AC3 output.
21  *    Enable S32_LE format support.
22  *  0.0.10
23  *    Enable playback 48000 and 96000 rates. (Rates other that these do not work, even with "plug:front".)
24  *  0.0.11
25  *    Add Model name recognition.
26  *  0.0.12
27  *    Correct interrupt timing. interrupt at end of period, instead of in the middle of a playback period.
28  *    Remove redundent "voice" handling.
29  *  0.0.13
30  *    Single trigger call for multi channels.
31  *  0.0.14
32  *    Set limits based on what the sound card hardware can do.
33  *    playback periods_min=2, periods_max=8
34  *    capture hw constraints require period_size = n * 64 bytes.
35  *    playback hw constraints require period_size = n * 64 bytes.
36  *  0.0.15
37  *    Separate ca0106.c into separate functional .c files.
38  *  0.0.16
39  *    Modified Copyright message.
40  *  0.0.17
41  *    Add iec958 file in proc file system to show status of SPDIF in.
42  *  0.0.18
43  *    Implement support for Line-in capture on SB Live 24bit.
44  *
45  *  This code was initally based on code from ALSA's emu10k1x.c which is:
46  *  Copyright (c) by Francisco Moraes <fmoraes@nc.rr.com>
47  *
48  *   This program is free software; you can redistribute it and/or modify
49  *   it under the terms of the GNU General Public License as published by
50  *   the Free Software Foundation; either version 2 of the License, or
51  *   (at your option) any later version.
52  *
53  *   This program is distributed in the hope that it will be useful,
54  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
55  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
56  *   GNU General Public License for more details.
57  *
58  *   You should have received a copy of the GNU General Public License
59  *   along with this program; if not, write to the Free Software
60  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
61  *
62  */
63 #include <linux/delay.h>
64 #include <linux/init.h>
65 #include <linux/interrupt.h>
66 #include <linux/slab.h>
67 #include <linux/moduleparam.h>
68 #include <sound/core.h>
69 #include <sound/initval.h>
70 #include <sound/pcm.h>
71 #include <sound/ac97_codec.h>
72 #include <sound/info.h>
73 #include <sound/asoundef.h>
74 #include <asm/io.h>
75
76 #include "ca0106.h"
77
78
79 #ifdef CONFIG_PROC_FS
80
81 struct snd_ca0106_category_str {
82         int val;
83         const char *name;
84 };
85
86 static struct snd_ca0106_category_str snd_ca0106_con_category[] = {
87         { IEC958_AES1_CON_DAT, "DAT" },
88         { IEC958_AES1_CON_VCR, "VCR" },
89         { IEC958_AES1_CON_MICROPHONE, "microphone" },
90         { IEC958_AES1_CON_SYNTHESIZER, "synthesizer" },
91         { IEC958_AES1_CON_RATE_CONVERTER, "rate converter" },
92         { IEC958_AES1_CON_MIXER, "mixer" },
93         { IEC958_AES1_CON_SAMPLER, "sampler" },
94         { IEC958_AES1_CON_PCM_CODER, "PCM coder" },
95         { IEC958_AES1_CON_IEC908_CD, "CD" },
96         { IEC958_AES1_CON_NON_IEC908_CD, "non-IEC908 CD" },
97         { IEC958_AES1_CON_GENERAL, "general" },
98 };
99
100
101 static void snd_ca0106_proc_dump_iec958( struct snd_info_buffer *buffer, u32 value)
102 {
103         int i;
104         u32 status[4];
105         status[0] = value & 0xff;
106         status[1] = (value >> 8) & 0xff;
107         status[2] = (value >> 16)  & 0xff;
108         status[3] = (value >> 24)  & 0xff;
109         
110         if (! (status[0] & IEC958_AES0_PROFESSIONAL)) {
111                 /* consumer */
112                 snd_iprintf(buffer, "Mode: consumer\n");
113                 snd_iprintf(buffer, "Data: ");
114                 if (!(status[0] & IEC958_AES0_NONAUDIO)) {
115                         snd_iprintf(buffer, "audio\n");
116                 } else {
117                         snd_iprintf(buffer, "non-audio\n");
118                 }
119                 snd_iprintf(buffer, "Rate: ");
120                 switch (status[3] & IEC958_AES3_CON_FS) {
121                 case IEC958_AES3_CON_FS_44100:
122                         snd_iprintf(buffer, "44100 Hz\n");
123                         break;
124                 case IEC958_AES3_CON_FS_48000:
125                         snd_iprintf(buffer, "48000 Hz\n");
126                         break;
127                 case IEC958_AES3_CON_FS_32000:
128                         snd_iprintf(buffer, "32000 Hz\n");
129                         break;
130                 default:
131                         snd_iprintf(buffer, "unknown\n");
132                         break;
133                 }
134                 snd_iprintf(buffer, "Copyright: ");
135                 if (status[0] & IEC958_AES0_CON_NOT_COPYRIGHT) {
136                         snd_iprintf(buffer, "permitted\n");
137                 } else {
138                         snd_iprintf(buffer, "protected\n");
139                 }
140                 snd_iprintf(buffer, "Emphasis: ");
141                 if ((status[0] & IEC958_AES0_CON_EMPHASIS) != IEC958_AES0_CON_EMPHASIS_5015) {
142                         snd_iprintf(buffer, "none\n");
143                 } else {
144                         snd_iprintf(buffer, "50/15us\n");
145                 }
146                 snd_iprintf(buffer, "Category: ");
147                 for (i = 0; i < ARRAY_SIZE(snd_ca0106_con_category); i++) {
148                         if ((status[1] & IEC958_AES1_CON_CATEGORY) == snd_ca0106_con_category[i].val) {
149                                 snd_iprintf(buffer, "%s\n", snd_ca0106_con_category[i].name);
150                                 break;
151                         }
152                 }
153                 if (i >= ARRAY_SIZE(snd_ca0106_con_category)) {
154                         snd_iprintf(buffer, "unknown 0x%x\n", status[1] & IEC958_AES1_CON_CATEGORY);
155                 }
156                 snd_iprintf(buffer, "Original: ");
157                 if (status[1] & IEC958_AES1_CON_ORIGINAL) {
158                         snd_iprintf(buffer, "original\n");
159                 } else {
160                         snd_iprintf(buffer, "1st generation\n");
161                 }
162                 snd_iprintf(buffer, "Clock: ");
163                 switch (status[3] & IEC958_AES3_CON_CLOCK) {
164                 case IEC958_AES3_CON_CLOCK_1000PPM:
165                         snd_iprintf(buffer, "1000 ppm\n");
166                         break;
167                 case IEC958_AES3_CON_CLOCK_50PPM:
168                         snd_iprintf(buffer, "50 ppm\n");
169                         break;
170                 case IEC958_AES3_CON_CLOCK_VARIABLE:
171                         snd_iprintf(buffer, "variable pitch\n");
172                         break;
173                 default:
174                         snd_iprintf(buffer, "unknown\n");
175                         break;
176                 }
177         } else {
178                 snd_iprintf(buffer, "Mode: professional\n");
179                 snd_iprintf(buffer, "Data: ");
180                 if (!(status[0] & IEC958_AES0_NONAUDIO)) {
181                         snd_iprintf(buffer, "audio\n");
182                 } else {
183                         snd_iprintf(buffer, "non-audio\n");
184                 }
185                 snd_iprintf(buffer, "Rate: ");
186                 switch (status[0] & IEC958_AES0_PRO_FS) {
187                 case IEC958_AES0_PRO_FS_44100:
188                         snd_iprintf(buffer, "44100 Hz\n");
189                         break;
190                 case IEC958_AES0_PRO_FS_48000:
191                         snd_iprintf(buffer, "48000 Hz\n");
192                         break;
193                 case IEC958_AES0_PRO_FS_32000:
194                         snd_iprintf(buffer, "32000 Hz\n");
195                         break;
196                 default:
197                         snd_iprintf(buffer, "unknown\n");
198                         break;
199                 }
200                 snd_iprintf(buffer, "Rate Locked: ");
201                 if (status[0] & IEC958_AES0_PRO_FREQ_UNLOCKED)
202                         snd_iprintf(buffer, "no\n");
203                 else
204                         snd_iprintf(buffer, "yes\n");
205                 snd_iprintf(buffer, "Emphasis: ");
206                 switch (status[0] & IEC958_AES0_PRO_EMPHASIS) {
207                 case IEC958_AES0_PRO_EMPHASIS_CCITT:
208                         snd_iprintf(buffer, "CCITT J.17\n");
209                         break;
210                 case IEC958_AES0_PRO_EMPHASIS_NONE:
211                         snd_iprintf(buffer, "none\n");
212                         break;
213                 case IEC958_AES0_PRO_EMPHASIS_5015:
214                         snd_iprintf(buffer, "50/15us\n");
215                         break;
216                 case IEC958_AES0_PRO_EMPHASIS_NOTID:
217                 default:
218                         snd_iprintf(buffer, "unknown\n");
219                         break;
220                 }
221                 snd_iprintf(buffer, "Stereophonic: ");
222                 if ((status[1] & IEC958_AES1_PRO_MODE) == IEC958_AES1_PRO_MODE_STEREOPHONIC) {
223                         snd_iprintf(buffer, "stereo\n");
224                 } else {
225                         snd_iprintf(buffer, "not indicated\n");
226                 }
227                 snd_iprintf(buffer, "Userbits: ");
228                 switch (status[1] & IEC958_AES1_PRO_USERBITS) {
229                 case IEC958_AES1_PRO_USERBITS_192:
230                         snd_iprintf(buffer, "192bit\n");
231                         break;
232                 case IEC958_AES1_PRO_USERBITS_UDEF:
233                         snd_iprintf(buffer, "user-defined\n");
234                         break;
235                 default:
236                         snd_iprintf(buffer, "unknown\n");
237                         break;
238                 }
239                 snd_iprintf(buffer, "Sample Bits: ");
240                 switch (status[2] & IEC958_AES2_PRO_SBITS) {
241                 case IEC958_AES2_PRO_SBITS_20:
242                         snd_iprintf(buffer, "20 bit\n");
243                         break;
244                 case IEC958_AES2_PRO_SBITS_24:
245                         snd_iprintf(buffer, "24 bit\n");
246                         break;
247                 case IEC958_AES2_PRO_SBITS_UDEF:
248                         snd_iprintf(buffer, "user defined\n");
249                         break;
250                 default:
251                         snd_iprintf(buffer, "unknown\n");
252                         break;
253                 }
254                 snd_iprintf(buffer, "Word Length: ");
255                 switch (status[2] & IEC958_AES2_PRO_WORDLEN) {
256                 case IEC958_AES2_PRO_WORDLEN_22_18:
257                         snd_iprintf(buffer, "22 bit or 18 bit\n");
258                         break;
259                 case IEC958_AES2_PRO_WORDLEN_23_19:
260                         snd_iprintf(buffer, "23 bit or 19 bit\n");
261                         break;
262                 case IEC958_AES2_PRO_WORDLEN_24_20:
263                         snd_iprintf(buffer, "24 bit or 20 bit\n");
264                         break;
265                 case IEC958_AES2_PRO_WORDLEN_20_16:
266                         snd_iprintf(buffer, "20 bit or 16 bit\n");
267                         break;
268                 default:
269                         snd_iprintf(buffer, "unknown\n");
270                         break;
271                 }
272         }
273 }
274
275 static void snd_ca0106_proc_iec958(struct snd_info_entry *entry, 
276                                        struct snd_info_buffer *buffer)
277 {
278         struct snd_ca0106 *emu = entry->private_data;
279         u32 value;
280
281         value = snd_ca0106_ptr_read(emu, SAMPLE_RATE_TRACKER_STATUS, 0);
282         snd_iprintf(buffer, "Status: %s, %s, %s\n",
283                   (value & 0x100000) ? "Rate Locked" : "Not Rate Locked",
284                   (value & 0x200000) ? "SPDIF Locked" : "No SPDIF Lock",
285                   (value & 0x400000) ? "Audio Valid" : "No valid audio" );
286         snd_iprintf(buffer, "Estimated sample rate: %u\n", 
287                   ((value & 0xfffff) * 48000) / 0x8000 );
288         if (value & 0x200000) {
289                 snd_iprintf(buffer, "IEC958/SPDIF input status:\n");
290                 value = snd_ca0106_ptr_read(emu, SPDIF_INPUT_STATUS, 0);
291                 snd_ca0106_proc_dump_iec958(buffer, value);
292         }
293
294         snd_iprintf(buffer, "\n");
295 }
296
297 static void snd_ca0106_proc_reg_write32(struct snd_info_entry *entry, 
298                                        struct snd_info_buffer *buffer)
299 {
300         struct snd_ca0106 *emu = entry->private_data;
301         unsigned long flags;
302         char line[64];
303         u32 reg, val;
304         while (!snd_info_get_line(buffer, line, sizeof(line))) {
305                 if (sscanf(line, "%x %x", &reg, &val) != 2)
306                         continue;
307                 if (reg < 0x40 && val <= 0xffffffff) {
308                         spin_lock_irqsave(&emu->emu_lock, flags);
309                         outl(val, emu->port + (reg & 0xfffffffc));
310                         spin_unlock_irqrestore(&emu->emu_lock, flags);
311                 }
312         }
313 }
314
315 static void snd_ca0106_proc_reg_read32(struct snd_info_entry *entry, 
316                                        struct snd_info_buffer *buffer)
317 {
318         struct snd_ca0106 *emu = entry->private_data;
319         unsigned long value;
320         unsigned long flags;
321         int i;
322         snd_iprintf(buffer, "Registers:\n\n");
323         for(i = 0; i < 0x20; i+=4) {
324                 spin_lock_irqsave(&emu->emu_lock, flags);
325                 value = inl(emu->port + i);
326                 spin_unlock_irqrestore(&emu->emu_lock, flags);
327                 snd_iprintf(buffer, "Register %02X: %08lX\n", i, value);
328         }
329 }
330
331 static void snd_ca0106_proc_reg_read16(struct snd_info_entry *entry, 
332                                        struct snd_info_buffer *buffer)
333 {
334         struct snd_ca0106 *emu = entry->private_data;
335         unsigned int value;
336         unsigned long flags;
337         int i;
338         snd_iprintf(buffer, "Registers:\n\n");
339         for(i = 0; i < 0x20; i+=2) {
340                 spin_lock_irqsave(&emu->emu_lock, flags);
341                 value = inw(emu->port + i);
342                 spin_unlock_irqrestore(&emu->emu_lock, flags);
343                 snd_iprintf(buffer, "Register %02X: %04X\n", i, value);
344         }
345 }
346
347 static void snd_ca0106_proc_reg_read8(struct snd_info_entry *entry, 
348                                        struct snd_info_buffer *buffer)
349 {
350         struct snd_ca0106 *emu = entry->private_data;
351         unsigned int value;
352         unsigned long flags;
353         int i;
354         snd_iprintf(buffer, "Registers:\n\n");
355         for(i = 0; i < 0x20; i+=1) {
356                 spin_lock_irqsave(&emu->emu_lock, flags);
357                 value = inb(emu->port + i);
358                 spin_unlock_irqrestore(&emu->emu_lock, flags);
359                 snd_iprintf(buffer, "Register %02X: %02X\n", i, value);
360         }
361 }
362
363 static void snd_ca0106_proc_reg_read1(struct snd_info_entry *entry, 
364                                        struct snd_info_buffer *buffer)
365 {
366         struct snd_ca0106 *emu = entry->private_data;
367         unsigned long value;
368         int i,j;
369
370         snd_iprintf(buffer, "Registers\n");
371         for(i = 0; i < 0x40; i++) {
372                 snd_iprintf(buffer, "%02X: ",i);
373                 for (j = 0; j < 4; j++) {
374                   value = snd_ca0106_ptr_read(emu, i, j);
375                   snd_iprintf(buffer, "%08lX ", value);
376                 }
377                 snd_iprintf(buffer, "\n");
378         }
379 }
380
381 static void snd_ca0106_proc_reg_read2(struct snd_info_entry *entry, 
382                                        struct snd_info_buffer *buffer)
383 {
384         struct snd_ca0106 *emu = entry->private_data;
385         unsigned long value;
386         int i,j;
387
388         snd_iprintf(buffer, "Registers\n");
389         for(i = 0x40; i < 0x80; i++) {
390                 snd_iprintf(buffer, "%02X: ",i);
391                 for (j = 0; j < 4; j++) {
392                   value = snd_ca0106_ptr_read(emu, i, j);
393                   snd_iprintf(buffer, "%08lX ", value);
394                 }
395                 snd_iprintf(buffer, "\n");
396         }
397 }
398
399 static void snd_ca0106_proc_reg_write(struct snd_info_entry *entry, 
400                                        struct snd_info_buffer *buffer)
401 {
402         struct snd_ca0106 *emu = entry->private_data;
403         char line[64];
404         unsigned int reg, channel_id , val;
405         while (!snd_info_get_line(buffer, line, sizeof(line))) {
406                 if (sscanf(line, "%x %x %x", &reg, &channel_id, &val) != 3)
407                         continue;
408                 if (reg < 0x80 && val <= 0xffffffff && channel_id <= 3)
409                         snd_ca0106_ptr_write(emu, reg, channel_id, val);
410         }
411 }
412
413 static void snd_ca0106_proc_i2c_write(struct snd_info_entry *entry, 
414                                        struct snd_info_buffer *buffer)
415 {
416         struct snd_ca0106 *emu = entry->private_data;
417         char line[64];
418         unsigned int reg, val;
419         while (!snd_info_get_line(buffer, line, sizeof(line))) {
420                 if (sscanf(line, "%x %x", &reg, &val) != 2)
421                         continue;
422                 if ((reg <= 0x7f) || (val <= 0x1ff)) {
423                         snd_ca0106_i2c_write(emu, reg, val);
424                 }
425         }
426 }
427
428 int __devinit snd_ca0106_proc_init(struct snd_ca0106 * emu)
429 {
430         struct snd_info_entry *entry;
431         
432         if(! snd_card_proc_new(emu->card, "iec958", &entry))
433                 snd_info_set_text_ops(entry, emu, snd_ca0106_proc_iec958);
434         if(! snd_card_proc_new(emu->card, "ca0106_reg32", &entry)) {
435                 snd_info_set_text_ops(entry, emu, snd_ca0106_proc_reg_read32);
436                 entry->c.text.write = snd_ca0106_proc_reg_write32;
437                 entry->mode |= S_IWUSR;
438         }
439         if(! snd_card_proc_new(emu->card, "ca0106_reg16", &entry))
440                 snd_info_set_text_ops(entry, emu, snd_ca0106_proc_reg_read16);
441         if(! snd_card_proc_new(emu->card, "ca0106_reg8", &entry))
442                 snd_info_set_text_ops(entry, emu, snd_ca0106_proc_reg_read8);
443         if(! snd_card_proc_new(emu->card, "ca0106_regs1", &entry)) {
444                 snd_info_set_text_ops(entry, emu, snd_ca0106_proc_reg_read1);
445                 entry->c.text.write = snd_ca0106_proc_reg_write;
446                 entry->mode |= S_IWUSR;
447         }
448         if(! snd_card_proc_new(emu->card, "ca0106_i2c", &entry)) {
449                 entry->c.text.write = snd_ca0106_proc_i2c_write;
450                 entry->private_data = emu;
451                 entry->mode |= S_IWUSR;
452         }
453         if(! snd_card_proc_new(emu->card, "ca0106_regs2", &entry)) 
454                 snd_info_set_text_ops(entry, emu, snd_ca0106_proc_reg_read2);
455         return 0;
456 }
457
458 #endif /* CONFIG_PROC_FS */