Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
[linux-2.6] / 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 <sound/driver.h>
64 #include <linux/delay.h>
65 #include <linux/init.h>
66 #include <linux/interrupt.h>
67 #include <linux/pci.h>
68 #include <linux/slab.h>
69 #include <linux/moduleparam.h>
70 #include <sound/core.h>
71 #include <sound/initval.h>
72 #include <sound/pcm.h>
73 #include <sound/ac97_codec.h>
74 #include <sound/info.h>
75 #include <sound/asoundef.h>
76
77 #include "ca0106.h"
78
79
80 #ifdef CONFIG_PROC_FS
81
82 struct snd_ca0106_category_str {
83         int val;
84         const char *name;
85 };
86
87 static struct snd_ca0106_category_str snd_ca0106_con_category[] = {
88         { IEC958_AES1_CON_DAT, "DAT" },
89         { IEC958_AES1_CON_VCR, "VCR" },
90         { IEC958_AES1_CON_MICROPHONE, "microphone" },
91         { IEC958_AES1_CON_SYNTHESIZER, "synthesizer" },
92         { IEC958_AES1_CON_RATE_CONVERTER, "rate converter" },
93         { IEC958_AES1_CON_MIXER, "mixer" },
94         { IEC958_AES1_CON_SAMPLER, "sampler" },
95         { IEC958_AES1_CON_PCM_CODER, "PCM coder" },
96         { IEC958_AES1_CON_IEC908_CD, "CD" },
97         { IEC958_AES1_CON_NON_IEC908_CD, "non-IEC908 CD" },
98         { IEC958_AES1_CON_GENERAL, "general" },
99 };
100
101
102 static void snd_ca0106_proc_dump_iec958( struct snd_info_buffer *buffer, u32 value)
103 {
104         int i;
105         u32 status[4];
106         status[0] = value & 0xff;
107         status[1] = (value >> 8) & 0xff;
108         status[2] = (value >> 16)  & 0xff;
109         status[3] = (value >> 24)  & 0xff;
110         
111         if (! (status[0] & IEC958_AES0_PROFESSIONAL)) {
112                 /* consumer */
113                 snd_iprintf(buffer, "Mode: consumer\n");
114                 snd_iprintf(buffer, "Data: ");
115                 if (!(status[0] & IEC958_AES0_NONAUDIO)) {
116                         snd_iprintf(buffer, "audio\n");
117                 } else {
118                         snd_iprintf(buffer, "non-audio\n");
119                 }
120                 snd_iprintf(buffer, "Rate: ");
121                 switch (status[3] & IEC958_AES3_CON_FS) {
122                 case IEC958_AES3_CON_FS_44100:
123                         snd_iprintf(buffer, "44100 Hz\n");
124                         break;
125                 case IEC958_AES3_CON_FS_48000:
126                         snd_iprintf(buffer, "48000 Hz\n");
127                         break;
128                 case IEC958_AES3_CON_FS_32000:
129                         snd_iprintf(buffer, "32000 Hz\n");
130                         break;
131                 default:
132                         snd_iprintf(buffer, "unknown\n");
133                         break;
134                 }
135                 snd_iprintf(buffer, "Copyright: ");
136                 if (status[0] & IEC958_AES0_CON_NOT_COPYRIGHT) {
137                         snd_iprintf(buffer, "permitted\n");
138                 } else {
139                         snd_iprintf(buffer, "protected\n");
140                 }
141                 snd_iprintf(buffer, "Emphasis: ");
142                 if ((status[0] & IEC958_AES0_CON_EMPHASIS) != IEC958_AES0_CON_EMPHASIS_5015) {
143                         snd_iprintf(buffer, "none\n");
144                 } else {
145                         snd_iprintf(buffer, "50/15us\n");
146                 }
147                 snd_iprintf(buffer, "Category: ");
148                 for (i = 0; i < ARRAY_SIZE(snd_ca0106_con_category); i++) {
149                         if ((status[1] & IEC958_AES1_CON_CATEGORY) == snd_ca0106_con_category[i].val) {
150                                 snd_iprintf(buffer, "%s\n", snd_ca0106_con_category[i].name);
151                                 break;
152                         }
153                 }
154                 if (i >= ARRAY_SIZE(snd_ca0106_con_category)) {
155                         snd_iprintf(buffer, "unknown 0x%x\n", status[1] & IEC958_AES1_CON_CATEGORY);
156                 }
157                 snd_iprintf(buffer, "Original: ");
158                 if (status[1] & IEC958_AES1_CON_ORIGINAL) {
159                         snd_iprintf(buffer, "original\n");
160                 } else {
161                         snd_iprintf(buffer, "1st generation\n");
162                 }
163                 snd_iprintf(buffer, "Clock: ");
164                 switch (status[3] & IEC958_AES3_CON_CLOCK) {
165                 case IEC958_AES3_CON_CLOCK_1000PPM:
166                         snd_iprintf(buffer, "1000 ppm\n");
167                         break;
168                 case IEC958_AES3_CON_CLOCK_50PPM:
169                         snd_iprintf(buffer, "50 ppm\n");
170                         break;
171                 case IEC958_AES3_CON_CLOCK_VARIABLE:
172                         snd_iprintf(buffer, "variable pitch\n");
173                         break;
174                 default:
175                         snd_iprintf(buffer, "unknown\n");
176                         break;
177                 }
178         } else {
179                 snd_iprintf(buffer, "Mode: professional\n");
180                 snd_iprintf(buffer, "Data: ");
181                 if (!(status[0] & IEC958_AES0_NONAUDIO)) {
182                         snd_iprintf(buffer, "audio\n");
183                 } else {
184                         snd_iprintf(buffer, "non-audio\n");
185                 }
186                 snd_iprintf(buffer, "Rate: ");
187                 switch (status[0] & IEC958_AES0_PRO_FS) {
188                 case IEC958_AES0_PRO_FS_44100:
189                         snd_iprintf(buffer, "44100 Hz\n");
190                         break;
191                 case IEC958_AES0_PRO_FS_48000:
192                         snd_iprintf(buffer, "48000 Hz\n");
193                         break;
194                 case IEC958_AES0_PRO_FS_32000:
195                         snd_iprintf(buffer, "32000 Hz\n");
196                         break;
197                 default:
198                         snd_iprintf(buffer, "unknown\n");
199                         break;
200                 }
201                 snd_iprintf(buffer, "Rate Locked: ");
202                 if (status[0] & IEC958_AES0_PRO_FREQ_UNLOCKED)
203                         snd_iprintf(buffer, "no\n");
204                 else
205                         snd_iprintf(buffer, "yes\n");
206                 snd_iprintf(buffer, "Emphasis: ");
207                 switch (status[0] & IEC958_AES0_PRO_EMPHASIS) {
208                 case IEC958_AES0_PRO_EMPHASIS_CCITT:
209                         snd_iprintf(buffer, "CCITT J.17\n");
210                         break;
211                 case IEC958_AES0_PRO_EMPHASIS_NONE:
212                         snd_iprintf(buffer, "none\n");
213                         break;
214                 case IEC958_AES0_PRO_EMPHASIS_5015:
215                         snd_iprintf(buffer, "50/15us\n");
216                         break;
217                 case IEC958_AES0_PRO_EMPHASIS_NOTID:
218                 default:
219                         snd_iprintf(buffer, "unknown\n");
220                         break;
221                 }
222                 snd_iprintf(buffer, "Stereophonic: ");
223                 if ((status[1] & IEC958_AES1_PRO_MODE) == IEC958_AES1_PRO_MODE_STEREOPHONIC) {
224                         snd_iprintf(buffer, "stereo\n");
225                 } else {
226                         snd_iprintf(buffer, "not indicated\n");
227                 }
228                 snd_iprintf(buffer, "Userbits: ");
229                 switch (status[1] & IEC958_AES1_PRO_USERBITS) {
230                 case IEC958_AES1_PRO_USERBITS_192:
231                         snd_iprintf(buffer, "192bit\n");
232                         break;
233                 case IEC958_AES1_PRO_USERBITS_UDEF:
234                         snd_iprintf(buffer, "user-defined\n");
235                         break;
236                 default:
237                         snd_iprintf(buffer, "unkown\n");
238                         break;
239                 }
240                 snd_iprintf(buffer, "Sample Bits: ");
241                 switch (status[2] & IEC958_AES2_PRO_SBITS) {
242                 case IEC958_AES2_PRO_SBITS_20:
243                         snd_iprintf(buffer, "20 bit\n");
244                         break;
245                 case IEC958_AES2_PRO_SBITS_24:
246                         snd_iprintf(buffer, "24 bit\n");
247                         break;
248                 case IEC958_AES2_PRO_SBITS_UDEF:
249                         snd_iprintf(buffer, "user defined\n");
250                         break;
251                 default:
252                         snd_iprintf(buffer, "unknown\n");
253                         break;
254                 }
255                 snd_iprintf(buffer, "Word Length: ");
256                 switch (status[2] & IEC958_AES2_PRO_WORDLEN) {
257                 case IEC958_AES2_PRO_WORDLEN_22_18:
258                         snd_iprintf(buffer, "22 bit or 18 bit\n");
259                         break;
260                 case IEC958_AES2_PRO_WORDLEN_23_19:
261                         snd_iprintf(buffer, "23 bit or 19 bit\n");
262                         break;
263                 case IEC958_AES2_PRO_WORDLEN_24_20:
264                         snd_iprintf(buffer, "24 bit or 20 bit\n");
265                         break;
266                 case IEC958_AES2_PRO_WORDLEN_20_16:
267                         snd_iprintf(buffer, "20 bit or 16 bit\n");
268                         break;
269                 default:
270                         snd_iprintf(buffer, "unknown\n");
271                         break;
272                 }
273         }
274 }
275
276 static void snd_ca0106_proc_iec958(struct snd_info_entry *entry, 
277                                        struct snd_info_buffer *buffer)
278 {
279         struct snd_ca0106 *emu = entry->private_data;
280         u32 value;
281
282         value = snd_ca0106_ptr_read(emu, SAMPLE_RATE_TRACKER_STATUS, 0);
283         snd_iprintf(buffer, "Status: %s, %s, %s\n",
284                   (value & 0x100000) ? "Rate Locked" : "Not Rate Locked",
285                   (value & 0x200000) ? "SPDIF Locked" : "No SPDIF Lock",
286                   (value & 0x400000) ? "Audio Valid" : "No valid audio" );
287         snd_iprintf(buffer, "Estimated sample rate: %u\n", 
288                   ((value & 0xfffff) * 48000) / 0x8000 );
289         if (value & 0x200000) {
290                 snd_iprintf(buffer, "IEC958/SPDIF input status:\n");
291                 value = snd_ca0106_ptr_read(emu, SPDIF_INPUT_STATUS, 0);
292                 snd_ca0106_proc_dump_iec958(buffer, value);
293         }
294
295         snd_iprintf(buffer, "\n");
296 }
297
298 static void snd_ca0106_proc_reg_write32(struct snd_info_entry *entry, 
299                                        struct snd_info_buffer *buffer)
300 {
301         struct snd_ca0106 *emu = entry->private_data;
302         unsigned long flags;
303         char line[64];
304         u32 reg, val;
305         while (!snd_info_get_line(buffer, line, sizeof(line))) {
306                 if (sscanf(line, "%x %x", &reg, &val) != 2)
307                         continue;
308                 if ((reg < 0x40) && (reg >=0) && (val <= 0xffffffff) ) {
309                         spin_lock_irqsave(&emu->emu_lock, flags);
310                         outl(val, emu->port + (reg & 0xfffffffc));
311                         spin_unlock_irqrestore(&emu->emu_lock, flags);
312                 }
313         }
314 }
315
316 static void snd_ca0106_proc_reg_read32(struct snd_info_entry *entry, 
317                                        struct snd_info_buffer *buffer)
318 {
319         struct snd_ca0106 *emu = entry->private_data;
320         unsigned long value;
321         unsigned long flags;
322         int i;
323         snd_iprintf(buffer, "Registers:\n\n");
324         for(i = 0; i < 0x20; i+=4) {
325                 spin_lock_irqsave(&emu->emu_lock, flags);
326                 value = inl(emu->port + i);
327                 spin_unlock_irqrestore(&emu->emu_lock, flags);
328                 snd_iprintf(buffer, "Register %02X: %08lX\n", i, value);
329         }
330 }
331
332 static void snd_ca0106_proc_reg_read16(struct snd_info_entry *entry, 
333                                        struct snd_info_buffer *buffer)
334 {
335         struct snd_ca0106 *emu = entry->private_data;
336         unsigned int value;
337         unsigned long flags;
338         int i;
339         snd_iprintf(buffer, "Registers:\n\n");
340         for(i = 0; i < 0x20; i+=2) {
341                 spin_lock_irqsave(&emu->emu_lock, flags);
342                 value = inw(emu->port + i);
343                 spin_unlock_irqrestore(&emu->emu_lock, flags);
344                 snd_iprintf(buffer, "Register %02X: %04X\n", i, value);
345         }
346 }
347
348 static void snd_ca0106_proc_reg_read8(struct snd_info_entry *entry, 
349                                        struct snd_info_buffer *buffer)
350 {
351         struct snd_ca0106 *emu = entry->private_data;
352         unsigned int value;
353         unsigned long flags;
354         int i;
355         snd_iprintf(buffer, "Registers:\n\n");
356         for(i = 0; i < 0x20; i+=1) {
357                 spin_lock_irqsave(&emu->emu_lock, flags);
358                 value = inb(emu->port + i);
359                 spin_unlock_irqrestore(&emu->emu_lock, flags);
360                 snd_iprintf(buffer, "Register %02X: %02X\n", i, value);
361         }
362 }
363
364 static void snd_ca0106_proc_reg_read1(struct snd_info_entry *entry, 
365                                        struct snd_info_buffer *buffer)
366 {
367         struct snd_ca0106 *emu = entry->private_data;
368         unsigned long value;
369         int i,j;
370
371         snd_iprintf(buffer, "Registers\n");
372         for(i = 0; i < 0x40; i++) {
373                 snd_iprintf(buffer, "%02X: ",i);
374                 for (j = 0; j < 4; j++) {
375                   value = snd_ca0106_ptr_read(emu, i, j);
376                   snd_iprintf(buffer, "%08lX ", value);
377                 }
378                 snd_iprintf(buffer, "\n");
379         }
380 }
381
382 static void snd_ca0106_proc_reg_read2(struct snd_info_entry *entry, 
383                                        struct snd_info_buffer *buffer)
384 {
385         struct snd_ca0106 *emu = entry->private_data;
386         unsigned long value;
387         int i,j;
388
389         snd_iprintf(buffer, "Registers\n");
390         for(i = 0x40; i < 0x80; i++) {
391                 snd_iprintf(buffer, "%02X: ",i);
392                 for (j = 0; j < 4; j++) {
393                   value = snd_ca0106_ptr_read(emu, i, j);
394                   snd_iprintf(buffer, "%08lX ", value);
395                 }
396                 snd_iprintf(buffer, "\n");
397         }
398 }
399
400 static void snd_ca0106_proc_reg_write(struct snd_info_entry *entry, 
401                                        struct snd_info_buffer *buffer)
402 {
403         struct snd_ca0106 *emu = entry->private_data;
404         char line[64];
405         unsigned int reg, channel_id , val;
406         while (!snd_info_get_line(buffer, line, sizeof(line))) {
407                 if (sscanf(line, "%x %x %x", &reg, &channel_id, &val) != 3)
408                         continue;
409                 if ((reg < 0x80) && (reg >=0) && (val <= 0xffffffff) && (channel_id >=0) && (channel_id <= 3) )
410                         snd_ca0106_ptr_write(emu, reg, channel_id, val);
411         }
412 }
413
414 static void snd_ca0106_proc_i2c_write(struct snd_info_entry *entry, 
415                                        struct snd_info_buffer *buffer)
416 {
417         struct snd_ca0106 *emu = entry->private_data;
418         char line[64];
419         unsigned int reg, val;
420         while (!snd_info_get_line(buffer, line, sizeof(line))) {
421                 if (sscanf(line, "%x %x", &reg, &val) != 2)
422                         continue;
423                 if ((reg <= 0x7f) || (val <= 0x1ff)) {
424                         snd_ca0106_i2c_write(emu, reg, val);
425                 }
426         }
427 }
428
429 int __devinit snd_ca0106_proc_init(struct snd_ca0106 * emu)
430 {
431         struct snd_info_entry *entry;
432         
433         if(! snd_card_proc_new(emu->card, "iec958", &entry))
434                 snd_info_set_text_ops(entry, emu, snd_ca0106_proc_iec958);
435         if(! snd_card_proc_new(emu->card, "ca0106_reg32", &entry)) {
436                 snd_info_set_text_ops(entry, emu, snd_ca0106_proc_reg_read32);
437                 entry->c.text.write = snd_ca0106_proc_reg_write32;
438                 entry->mode |= S_IWUSR;
439         }
440         if(! snd_card_proc_new(emu->card, "ca0106_reg16", &entry))
441                 snd_info_set_text_ops(entry, emu, snd_ca0106_proc_reg_read16);
442         if(! snd_card_proc_new(emu->card, "ca0106_reg8", &entry))
443                 snd_info_set_text_ops(entry, emu, snd_ca0106_proc_reg_read8);
444         if(! snd_card_proc_new(emu->card, "ca0106_regs1", &entry)) {
445                 snd_info_set_text_ops(entry, emu, snd_ca0106_proc_reg_read1);
446                 entry->c.text.write = snd_ca0106_proc_reg_write;
447                 entry->mode |= S_IWUSR;
448 //              entry->private_data = emu;
449         }
450         if(! snd_card_proc_new(emu->card, "ca0106_i2c", &entry)) {
451                 snd_info_set_text_ops(entry, emu, snd_ca0106_proc_i2c_write);
452                 entry->c.text.write = snd_ca0106_proc_i2c_write;
453                 entry->mode |= S_IWUSR;
454 //              entry->private_data = emu;
455         }
456         if(! snd_card_proc_new(emu->card, "ca0106_regs2", &entry)) 
457                 snd_info_set_text_ops(entry, emu, snd_ca0106_proc_reg_read2);
458         return 0;
459 }
460
461 #endif /* CONFIG_PROC_FS */