Merge commit 'v3.4' into android-tegra-nv-3.4
[linux-2.6.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 initially 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/moduleparam.h>
67 #include <sound/core.h>
68 #include <sound/initval.h>
69 #include <sound/pcm.h>
70 #include <sound/ac97_codec.h>
71 #include <sound/info.h>
72 #include <sound/asoundef.h>
73 #include <asm/io.h>
74
75 #include "ca0106.h"
76
77
78 #ifdef CONFIG_PROC_FS
79
80 struct snd_ca0106_category_str {
81         int val;
82         const char *name;
83 };
84
85 static struct snd_ca0106_category_str snd_ca0106_con_category[] = {
86         { IEC958_AES1_CON_DAT, "DAT" },
87         { IEC958_AES1_CON_VCR, "VCR" },
88         { IEC958_AES1_CON_MICROPHONE, "microphone" },
89         { IEC958_AES1_CON_SYNTHESIZER, "synthesizer" },
90         { IEC958_AES1_CON_RATE_CONVERTER, "rate converter" },
91         { IEC958_AES1_CON_MIXER, "mixer" },
92         { IEC958_AES1_CON_SAMPLER, "sampler" },
93         { IEC958_AES1_CON_PCM_CODER, "PCM coder" },
94         { IEC958_AES1_CON_IEC908_CD, "CD" },
95         { IEC958_AES1_CON_NON_IEC908_CD, "non-IEC908 CD" },
96         { IEC958_AES1_CON_GENERAL, "general" },
97 };
98
99
100 static void snd_ca0106_proc_dump_iec958( struct snd_info_buffer *buffer, u32 value)
101 {
102         int i;
103         u32 status[4];
104         status[0] = value & 0xff;
105         status[1] = (value >> 8) & 0xff;
106         status[2] = (value >> 16)  & 0xff;
107         status[3] = (value >> 24)  & 0xff;
108         
109         if (! (status[0] & IEC958_AES0_PROFESSIONAL)) {
110                 /* consumer */
111                 snd_iprintf(buffer, "Mode: consumer\n");
112                 snd_iprintf(buffer, "Data: ");
113                 if (!(status[0] & IEC958_AES0_NONAUDIO)) {
114                         snd_iprintf(buffer, "audio\n");
115                 } else {
116                         snd_iprintf(buffer, "non-audio\n");
117                 }
118                 snd_iprintf(buffer, "Rate: ");
119                 switch (status[3] & IEC958_AES3_CON_FS) {
120                 case IEC958_AES3_CON_FS_44100:
121                         snd_iprintf(buffer, "44100 Hz\n");
122                         break;
123                 case IEC958_AES3_CON_FS_48000:
124                         snd_iprintf(buffer, "48000 Hz\n");
125                         break;
126                 case IEC958_AES3_CON_FS_32000:
127                         snd_iprintf(buffer, "32000 Hz\n");
128                         break;
129                 default:
130                         snd_iprintf(buffer, "unknown\n");
131                         break;
132                 }
133                 snd_iprintf(buffer, "Copyright: ");
134                 if (status[0] & IEC958_AES0_CON_NOT_COPYRIGHT) {
135                         snd_iprintf(buffer, "permitted\n");
136                 } else {
137                         snd_iprintf(buffer, "protected\n");
138                 }
139                 snd_iprintf(buffer, "Emphasis: ");
140                 if ((status[0] & IEC958_AES0_CON_EMPHASIS) != IEC958_AES0_CON_EMPHASIS_5015) {
141                         snd_iprintf(buffer, "none\n");
142                 } else {
143                         snd_iprintf(buffer, "50/15us\n");
144                 }
145                 snd_iprintf(buffer, "Category: ");
146                 for (i = 0; i < ARRAY_SIZE(snd_ca0106_con_category); i++) {
147                         if ((status[1] & IEC958_AES1_CON_CATEGORY) == snd_ca0106_con_category[i].val) {
148                                 snd_iprintf(buffer, "%s\n", snd_ca0106_con_category[i].name);
149                                 break;
150                         }
151                 }
152                 if (i >= ARRAY_SIZE(snd_ca0106_con_category)) {
153                         snd_iprintf(buffer, "unknown 0x%x\n", status[1] & IEC958_AES1_CON_CATEGORY);
154                 }
155                 snd_iprintf(buffer, "Original: ");
156                 if (status[1] & IEC958_AES1_CON_ORIGINAL) {
157                         snd_iprintf(buffer, "original\n");
158                 } else {
159                         snd_iprintf(buffer, "1st generation\n");
160                 }
161                 snd_iprintf(buffer, "Clock: ");
162                 switch (status[3] & IEC958_AES3_CON_CLOCK) {
163                 case IEC958_AES3_CON_CLOCK_1000PPM:
164                         snd_iprintf(buffer, "1000 ppm\n");
165                         break;
166                 case IEC958_AES3_CON_CLOCK_50PPM:
167                         snd_iprintf(buffer, "50 ppm\n");
168                         break;
169                 case IEC958_AES3_CON_CLOCK_VARIABLE:
170                         snd_iprintf(buffer, "variable pitch\n");
171                         break;
172                 default:
173                         snd_iprintf(buffer, "unknown\n");
174                         break;
175                 }
176         } else {
177                 snd_iprintf(buffer, "Mode: professional\n");
178                 snd_iprintf(buffer, "Data: ");
179                 if (!(status[0] & IEC958_AES0_NONAUDIO)) {
180                         snd_iprintf(buffer, "audio\n");
181                 } else {
182                         snd_iprintf(buffer, "non-audio\n");
183                 }
184                 snd_iprintf(buffer, "Rate: ");
185                 switch (status[0] & IEC958_AES0_PRO_FS) {
186                 case IEC958_AES0_PRO_FS_44100:
187                         snd_iprintf(buffer, "44100 Hz\n");
188                         break;
189                 case IEC958_AES0_PRO_FS_48000:
190                         snd_iprintf(buffer, "48000 Hz\n");
191                         break;
192                 case IEC958_AES0_PRO_FS_32000:
193                         snd_iprintf(buffer, "32000 Hz\n");
194                         break;
195                 default:
196                         snd_iprintf(buffer, "unknown\n");
197                         break;
198                 }
199                 snd_iprintf(buffer, "Rate Locked: ");
200                 if (status[0] & IEC958_AES0_PRO_FREQ_UNLOCKED)
201                         snd_iprintf(buffer, "no\n");
202                 else
203                         snd_iprintf(buffer, "yes\n");
204                 snd_iprintf(buffer, "Emphasis: ");
205                 switch (status[0] & IEC958_AES0_PRO_EMPHASIS) {
206                 case IEC958_AES0_PRO_EMPHASIS_CCITT:
207                         snd_iprintf(buffer, "CCITT J.17\n");
208                         break;
209                 case IEC958_AES0_PRO_EMPHASIS_NONE:
210                         snd_iprintf(buffer, "none\n");
211                         break;
212                 case IEC958_AES0_PRO_EMPHASIS_5015:
213                         snd_iprintf(buffer, "50/15us\n");
214                         break;
215                 case IEC958_AES0_PRO_EMPHASIS_NOTID:
216                 default:
217                         snd_iprintf(buffer, "unknown\n");
218                         break;
219                 }
220                 snd_iprintf(buffer, "Stereophonic: ");
221                 if ((status[1] & IEC958_AES1_PRO_MODE) == IEC958_AES1_PRO_MODE_STEREOPHONIC) {
222                         snd_iprintf(buffer, "stereo\n");
223                 } else {
224                         snd_iprintf(buffer, "not indicated\n");
225                 }
226                 snd_iprintf(buffer, "Userbits: ");
227                 switch (status[1] & IEC958_AES1_PRO_USERBITS) {
228                 case IEC958_AES1_PRO_USERBITS_192:
229                         snd_iprintf(buffer, "192bit\n");
230                         break;
231                 case IEC958_AES1_PRO_USERBITS_UDEF:
232                         snd_iprintf(buffer, "user-defined\n");
233                         break;
234                 default:
235                         snd_iprintf(buffer, "unknown\n");
236                         break;
237                 }
238                 snd_iprintf(buffer, "Sample Bits: ");
239                 switch (status[2] & IEC958_AES2_PRO_SBITS) {
240                 case IEC958_AES2_PRO_SBITS_20:
241                         snd_iprintf(buffer, "20 bit\n");
242                         break;
243                 case IEC958_AES2_PRO_SBITS_24:
244                         snd_iprintf(buffer, "24 bit\n");
245                         break;
246                 case IEC958_AES2_PRO_SBITS_UDEF:
247                         snd_iprintf(buffer, "user defined\n");
248                         break;
249                 default:
250                         snd_iprintf(buffer, "unknown\n");
251                         break;
252                 }
253                 snd_iprintf(buffer, "Word Length: ");
254                 switch (status[2] & IEC958_AES2_PRO_WORDLEN) {
255                 case IEC958_AES2_PRO_WORDLEN_22_18:
256                         snd_iprintf(buffer, "22 bit or 18 bit\n");
257                         break;
258                 case IEC958_AES2_PRO_WORDLEN_23_19:
259                         snd_iprintf(buffer, "23 bit or 19 bit\n");
260                         break;
261                 case IEC958_AES2_PRO_WORDLEN_24_20:
262                         snd_iprintf(buffer, "24 bit or 20 bit\n");
263                         break;
264                 case IEC958_AES2_PRO_WORDLEN_20_16:
265                         snd_iprintf(buffer, "20 bit or 16 bit\n");
266                         break;
267                 default:
268                         snd_iprintf(buffer, "unknown\n");
269                         break;
270                 }
271         }
272 }
273
274 static void snd_ca0106_proc_iec958(struct snd_info_entry *entry, 
275                                        struct snd_info_buffer *buffer)
276 {
277         struct snd_ca0106 *emu = entry->private_data;
278         u32 value;
279
280         value = snd_ca0106_ptr_read(emu, SAMPLE_RATE_TRACKER_STATUS, 0);
281         snd_iprintf(buffer, "Status: %s, %s, %s\n",
282                   (value & 0x100000) ? "Rate Locked" : "Not Rate Locked",
283                   (value & 0x200000) ? "SPDIF Locked" : "No SPDIF Lock",
284                   (value & 0x400000) ? "Audio Valid" : "No valid audio" );
285         snd_iprintf(buffer, "Estimated sample rate: %u\n", 
286                   ((value & 0xfffff) * 48000) / 0x8000 );
287         if (value & 0x200000) {
288                 snd_iprintf(buffer, "IEC958/SPDIF input status:\n");
289                 value = snd_ca0106_ptr_read(emu, SPDIF_INPUT_STATUS, 0);
290                 snd_ca0106_proc_dump_iec958(buffer, value);
291         }
292
293         snd_iprintf(buffer, "\n");
294 }
295
296 static void snd_ca0106_proc_reg_write32(struct snd_info_entry *entry, 
297                                        struct snd_info_buffer *buffer)
298 {
299         struct snd_ca0106 *emu = entry->private_data;
300         unsigned long flags;
301         char line[64];
302         u32 reg, val;
303         while (!snd_info_get_line(buffer, line, sizeof(line))) {
304                 if (sscanf(line, "%x %x", &reg, &val) != 2)
305                         continue;
306                 if (reg < 0x40 && val <= 0xffffffff) {
307                         spin_lock_irqsave(&emu->emu_lock, flags);
308                         outl(val, emu->port + (reg & 0xfffffffc));
309                         spin_unlock_irqrestore(&emu->emu_lock, flags);
310                 }
311         }
312 }
313
314 static void snd_ca0106_proc_reg_read32(struct snd_info_entry *entry, 
315                                        struct snd_info_buffer *buffer)
316 {
317         struct snd_ca0106 *emu = entry->private_data;
318         unsigned long value;
319         unsigned long flags;
320         int i;
321         snd_iprintf(buffer, "Registers:\n\n");
322         for(i = 0; i < 0x20; i+=4) {
323                 spin_lock_irqsave(&emu->emu_lock, flags);
324                 value = inl(emu->port + i);
325                 spin_unlock_irqrestore(&emu->emu_lock, flags);
326                 snd_iprintf(buffer, "Register %02X: %08lX\n", i, value);
327         }
328 }
329
330 static void snd_ca0106_proc_reg_read16(struct snd_info_entry *entry, 
331                                        struct snd_info_buffer *buffer)
332 {
333         struct snd_ca0106 *emu = entry->private_data;
334         unsigned int value;
335         unsigned long flags;
336         int i;
337         snd_iprintf(buffer, "Registers:\n\n");
338         for(i = 0; i < 0x20; i+=2) {
339                 spin_lock_irqsave(&emu->emu_lock, flags);
340                 value = inw(emu->port + i);
341                 spin_unlock_irqrestore(&emu->emu_lock, flags);
342                 snd_iprintf(buffer, "Register %02X: %04X\n", i, value);
343         }
344 }
345
346 static void snd_ca0106_proc_reg_read8(struct snd_info_entry *entry, 
347                                        struct snd_info_buffer *buffer)
348 {
349         struct snd_ca0106 *emu = entry->private_data;
350         unsigned int value;
351         unsigned long flags;
352         int i;
353         snd_iprintf(buffer, "Registers:\n\n");
354         for(i = 0; i < 0x20; i+=1) {
355                 spin_lock_irqsave(&emu->emu_lock, flags);
356                 value = inb(emu->port + i);
357                 spin_unlock_irqrestore(&emu->emu_lock, flags);
358                 snd_iprintf(buffer, "Register %02X: %02X\n", i, value);
359         }
360 }
361
362 static void snd_ca0106_proc_reg_read1(struct snd_info_entry *entry, 
363                                        struct snd_info_buffer *buffer)
364 {
365         struct snd_ca0106 *emu = entry->private_data;
366         unsigned long value;
367         int i,j;
368
369         snd_iprintf(buffer, "Registers\n");
370         for(i = 0; i < 0x40; i++) {
371                 snd_iprintf(buffer, "%02X: ",i);
372                 for (j = 0; j < 4; j++) {
373                   value = snd_ca0106_ptr_read(emu, i, j);
374                   snd_iprintf(buffer, "%08lX ", value);
375                 }
376                 snd_iprintf(buffer, "\n");
377         }
378 }
379
380 static void snd_ca0106_proc_reg_read2(struct snd_info_entry *entry, 
381                                        struct snd_info_buffer *buffer)
382 {
383         struct snd_ca0106 *emu = entry->private_data;
384         unsigned long value;
385         int i,j;
386
387         snd_iprintf(buffer, "Registers\n");
388         for(i = 0x40; i < 0x80; i++) {
389                 snd_iprintf(buffer, "%02X: ",i);
390                 for (j = 0; j < 4; j++) {
391                   value = snd_ca0106_ptr_read(emu, i, j);
392                   snd_iprintf(buffer, "%08lX ", value);
393                 }
394                 snd_iprintf(buffer, "\n");
395         }
396 }
397
398 static void snd_ca0106_proc_reg_write(struct snd_info_entry *entry, 
399                                        struct snd_info_buffer *buffer)
400 {
401         struct snd_ca0106 *emu = entry->private_data;
402         char line[64];
403         unsigned int reg, channel_id , val;
404         while (!snd_info_get_line(buffer, line, sizeof(line))) {
405                 if (sscanf(line, "%x %x %x", &reg, &channel_id, &val) != 3)
406                         continue;
407                 if (reg < 0x80 && val <= 0xffffffff && channel_id <= 3)
408                         snd_ca0106_ptr_write(emu, reg, channel_id, val);
409         }
410 }
411
412 static void snd_ca0106_proc_i2c_write(struct snd_info_entry *entry, 
413                                        struct snd_info_buffer *buffer)
414 {
415         struct snd_ca0106 *emu = entry->private_data;
416         char line[64];
417         unsigned int reg, val;
418         while (!snd_info_get_line(buffer, line, sizeof(line))) {
419                 if (sscanf(line, "%x %x", &reg, &val) != 2)
420                         continue;
421                 if ((reg <= 0x7f) || (val <= 0x1ff)) {
422                         snd_ca0106_i2c_write(emu, reg, val);
423                 }
424         }
425 }
426
427 int __devinit snd_ca0106_proc_init(struct snd_ca0106 * emu)
428 {
429         struct snd_info_entry *entry;
430         
431         if(! snd_card_proc_new(emu->card, "iec958", &entry))
432                 snd_info_set_text_ops(entry, emu, snd_ca0106_proc_iec958);
433         if(! snd_card_proc_new(emu->card, "ca0106_reg32", &entry)) {
434                 snd_info_set_text_ops(entry, emu, snd_ca0106_proc_reg_read32);
435                 entry->c.text.write = snd_ca0106_proc_reg_write32;
436                 entry->mode |= S_IWUSR;
437         }
438         if(! snd_card_proc_new(emu->card, "ca0106_reg16", &entry))
439                 snd_info_set_text_ops(entry, emu, snd_ca0106_proc_reg_read16);
440         if(! snd_card_proc_new(emu->card, "ca0106_reg8", &entry))
441                 snd_info_set_text_ops(entry, emu, snd_ca0106_proc_reg_read8);
442         if(! snd_card_proc_new(emu->card, "ca0106_regs1", &entry)) {
443                 snd_info_set_text_ops(entry, emu, snd_ca0106_proc_reg_read1);
444                 entry->c.text.write = snd_ca0106_proc_reg_write;
445                 entry->mode |= S_IWUSR;
446         }
447         if(! snd_card_proc_new(emu->card, "ca0106_i2c", &entry)) {
448                 entry->c.text.write = snd_ca0106_proc_i2c_write;
449                 entry->private_data = emu;
450                 entry->mode |= S_IWUSR;
451         }
452         if(! snd_card_proc_new(emu->card, "ca0106_regs2", &entry)) 
453                 snd_info_set_text_ops(entry, emu, snd_ca0106_proc_reg_read2);
454         return 0;
455 }
456
457 #endif /* CONFIG_PROC_FS */