1 | // SPDX-License-Identifier: GPL-2.0-or-later |
2 | /* |
3 | * Copyright (c) 2004 James Courtier-Dutton <James@superbug.demon.co.uk> |
4 | * Driver CA0106 chips. e.g. Sound Blaster Audigy LS and Live 24bit |
5 | * Version: 0.0.18 |
6 | * |
7 | * FEATURES currently supported: |
8 | * See ca0106_main.c for features. |
9 | * |
10 | * Changelog: |
11 | * Support interrupts per period. |
12 | * Removed noise from Center/LFE channel when in Analog mode. |
13 | * Rename and remove mixer controls. |
14 | * 0.0.6 |
15 | * Use separate card based DMA buffer for periods table list. |
16 | * 0.0.7 |
17 | * Change remove and rename ctrls into lists. |
18 | * 0.0.8 |
19 | * Try to fix capture sources. |
20 | * 0.0.9 |
21 | * Fix AC3 output. |
22 | * Enable S32_LE format support. |
23 | * 0.0.10 |
24 | * Enable playback 48000 and 96000 rates. (Rates other that these do not work, even with "plug:front".) |
25 | * 0.0.11 |
26 | * Add Model name recognition. |
27 | * 0.0.12 |
28 | * Correct interrupt timing. interrupt at end of period, instead of in the middle of a playback period. |
29 | * Remove redundent "voice" handling. |
30 | * 0.0.13 |
31 | * Single trigger call for multi channels. |
32 | * 0.0.14 |
33 | * Set limits based on what the sound card hardware can do. |
34 | * playback periods_min=2, periods_max=8 |
35 | * capture hw constraints require period_size = n * 64 bytes. |
36 | * playback hw constraints require period_size = n * 64 bytes. |
37 | * 0.0.15 |
38 | * Separate ca0106.c into separate functional .c files. |
39 | * 0.0.16 |
40 | * Modified Copyright message. |
41 | * 0.0.17 |
42 | * Add iec958 file in proc file system to show status of SPDIF in. |
43 | * 0.0.18 |
44 | * Implement support for Line-in capture on SB Live 24bit. |
45 | * |
46 | * This code was initially based on code from ALSA's emu10k1x.c which is: |
47 | * Copyright (c) by Francisco Moraes <fmoraes@nc.rr.com> |
48 | */ |
49 | #include <linux/delay.h> |
50 | #include <linux/init.h> |
51 | #include <linux/interrupt.h> |
52 | #include <linux/moduleparam.h> |
53 | #include <linux/io.h> |
54 | #include <sound/core.h> |
55 | #include <sound/initval.h> |
56 | #include <sound/pcm.h> |
57 | #include <sound/ac97_codec.h> |
58 | #include <sound/info.h> |
59 | #include <sound/asoundef.h> |
60 | |
61 | #include "ca0106.h" |
62 | |
63 | |
64 | struct snd_ca0106_category_str { |
65 | int val; |
66 | const char *name; |
67 | }; |
68 | |
69 | static const struct snd_ca0106_category_str snd_ca0106_con_category[] = { |
70 | { IEC958_AES1_CON_DAT, "DAT" }, |
71 | { IEC958_AES1_CON_VCR, "VCR" }, |
72 | { IEC958_AES1_CON_MICROPHONE, "microphone" }, |
73 | { IEC958_AES1_CON_SYNTHESIZER, "synthesizer" }, |
74 | { IEC958_AES1_CON_RATE_CONVERTER, "rate converter" }, |
75 | { IEC958_AES1_CON_MIXER, "mixer" }, |
76 | { IEC958_AES1_CON_SAMPLER, "sampler" }, |
77 | { IEC958_AES1_CON_PCM_CODER, "PCM coder" }, |
78 | { IEC958_AES1_CON_IEC908_CD, "CD" }, |
79 | { IEC958_AES1_CON_NON_IEC908_CD, "non-IEC908 CD" }, |
80 | { IEC958_AES1_CON_GENERAL, "general" }, |
81 | }; |
82 | |
83 | |
84 | static void snd_ca0106_proc_dump_iec958( struct snd_info_buffer *buffer, u32 value) |
85 | { |
86 | int i; |
87 | u32 status[4]; |
88 | status[0] = value & 0xff; |
89 | status[1] = (value >> 8) & 0xff; |
90 | status[2] = (value >> 16) & 0xff; |
91 | status[3] = (value >> 24) & 0xff; |
92 | |
93 | if (! (status[0] & IEC958_AES0_PROFESSIONAL)) { |
94 | /* consumer */ |
95 | snd_iprintf(buffer, "Mode: consumer\n" ); |
96 | snd_iprintf(buffer, "Data: " ); |
97 | if (!(status[0] & IEC958_AES0_NONAUDIO)) { |
98 | snd_iprintf(buffer, "audio\n" ); |
99 | } else { |
100 | snd_iprintf(buffer, "non-audio\n" ); |
101 | } |
102 | snd_iprintf(buffer, "Rate: " ); |
103 | switch (status[3] & IEC958_AES3_CON_FS) { |
104 | case IEC958_AES3_CON_FS_44100: |
105 | snd_iprintf(buffer, "44100 Hz\n" ); |
106 | break; |
107 | case IEC958_AES3_CON_FS_48000: |
108 | snd_iprintf(buffer, "48000 Hz\n" ); |
109 | break; |
110 | case IEC958_AES3_CON_FS_32000: |
111 | snd_iprintf(buffer, "32000 Hz\n" ); |
112 | break; |
113 | default: |
114 | snd_iprintf(buffer, "unknown\n" ); |
115 | break; |
116 | } |
117 | snd_iprintf(buffer, "Copyright: " ); |
118 | if (status[0] & IEC958_AES0_CON_NOT_COPYRIGHT) { |
119 | snd_iprintf(buffer, "permitted\n" ); |
120 | } else { |
121 | snd_iprintf(buffer, "protected\n" ); |
122 | } |
123 | snd_iprintf(buffer, "Emphasis: " ); |
124 | if ((status[0] & IEC958_AES0_CON_EMPHASIS) != IEC958_AES0_CON_EMPHASIS_5015) { |
125 | snd_iprintf(buffer, "none\n" ); |
126 | } else { |
127 | snd_iprintf(buffer, "50/15us\n" ); |
128 | } |
129 | snd_iprintf(buffer, "Category: " ); |
130 | for (i = 0; i < ARRAY_SIZE(snd_ca0106_con_category); i++) { |
131 | if ((status[1] & IEC958_AES1_CON_CATEGORY) == snd_ca0106_con_category[i].val) { |
132 | snd_iprintf(buffer, "%s\n" , snd_ca0106_con_category[i].name); |
133 | break; |
134 | } |
135 | } |
136 | if (i >= ARRAY_SIZE(snd_ca0106_con_category)) { |
137 | snd_iprintf(buffer, "unknown 0x%x\n" , status[1] & IEC958_AES1_CON_CATEGORY); |
138 | } |
139 | snd_iprintf(buffer, "Original: " ); |
140 | if (status[1] & IEC958_AES1_CON_ORIGINAL) { |
141 | snd_iprintf(buffer, "original\n" ); |
142 | } else { |
143 | snd_iprintf(buffer, "1st generation\n" ); |
144 | } |
145 | snd_iprintf(buffer, "Clock: " ); |
146 | switch (status[3] & IEC958_AES3_CON_CLOCK) { |
147 | case IEC958_AES3_CON_CLOCK_1000PPM: |
148 | snd_iprintf(buffer, "1000 ppm\n" ); |
149 | break; |
150 | case IEC958_AES3_CON_CLOCK_50PPM: |
151 | snd_iprintf(buffer, "50 ppm\n" ); |
152 | break; |
153 | case IEC958_AES3_CON_CLOCK_VARIABLE: |
154 | snd_iprintf(buffer, "variable pitch\n" ); |
155 | break; |
156 | default: |
157 | snd_iprintf(buffer, "unknown\n" ); |
158 | break; |
159 | } |
160 | } else { |
161 | snd_iprintf(buffer, "Mode: professional\n" ); |
162 | snd_iprintf(buffer, "Data: " ); |
163 | if (!(status[0] & IEC958_AES0_NONAUDIO)) { |
164 | snd_iprintf(buffer, "audio\n" ); |
165 | } else { |
166 | snd_iprintf(buffer, "non-audio\n" ); |
167 | } |
168 | snd_iprintf(buffer, "Rate: " ); |
169 | switch (status[0] & IEC958_AES0_PRO_FS) { |
170 | case IEC958_AES0_PRO_FS_44100: |
171 | snd_iprintf(buffer, "44100 Hz\n" ); |
172 | break; |
173 | case IEC958_AES0_PRO_FS_48000: |
174 | snd_iprintf(buffer, "48000 Hz\n" ); |
175 | break; |
176 | case IEC958_AES0_PRO_FS_32000: |
177 | snd_iprintf(buffer, "32000 Hz\n" ); |
178 | break; |
179 | default: |
180 | snd_iprintf(buffer, "unknown\n" ); |
181 | break; |
182 | } |
183 | snd_iprintf(buffer, "Rate Locked: " ); |
184 | if (status[0] & IEC958_AES0_PRO_FREQ_UNLOCKED) |
185 | snd_iprintf(buffer, "no\n" ); |
186 | else |
187 | snd_iprintf(buffer, "yes\n" ); |
188 | snd_iprintf(buffer, "Emphasis: " ); |
189 | switch (status[0] & IEC958_AES0_PRO_EMPHASIS) { |
190 | case IEC958_AES0_PRO_EMPHASIS_CCITT: |
191 | snd_iprintf(buffer, "CCITT J.17\n" ); |
192 | break; |
193 | case IEC958_AES0_PRO_EMPHASIS_NONE: |
194 | snd_iprintf(buffer, "none\n" ); |
195 | break; |
196 | case IEC958_AES0_PRO_EMPHASIS_5015: |
197 | snd_iprintf(buffer, "50/15us\n" ); |
198 | break; |
199 | case IEC958_AES0_PRO_EMPHASIS_NOTID: |
200 | default: |
201 | snd_iprintf(buffer, "unknown\n" ); |
202 | break; |
203 | } |
204 | snd_iprintf(buffer, "Stereophonic: " ); |
205 | if ((status[1] & IEC958_AES1_PRO_MODE) == IEC958_AES1_PRO_MODE_STEREOPHONIC) { |
206 | snd_iprintf(buffer, "stereo\n" ); |
207 | } else { |
208 | snd_iprintf(buffer, "not indicated\n" ); |
209 | } |
210 | snd_iprintf(buffer, "Userbits: " ); |
211 | switch (status[1] & IEC958_AES1_PRO_USERBITS) { |
212 | case IEC958_AES1_PRO_USERBITS_192: |
213 | snd_iprintf(buffer, "192bit\n" ); |
214 | break; |
215 | case IEC958_AES1_PRO_USERBITS_UDEF: |
216 | snd_iprintf(buffer, "user-defined\n" ); |
217 | break; |
218 | default: |
219 | snd_iprintf(buffer, "unknown\n" ); |
220 | break; |
221 | } |
222 | snd_iprintf(buffer, "Sample Bits: " ); |
223 | switch (status[2] & IEC958_AES2_PRO_SBITS) { |
224 | case IEC958_AES2_PRO_SBITS_20: |
225 | snd_iprintf(buffer, "20 bit\n" ); |
226 | break; |
227 | case IEC958_AES2_PRO_SBITS_24: |
228 | snd_iprintf(buffer, "24 bit\n" ); |
229 | break; |
230 | case IEC958_AES2_PRO_SBITS_UDEF: |
231 | snd_iprintf(buffer, "user defined\n" ); |
232 | break; |
233 | default: |
234 | snd_iprintf(buffer, "unknown\n" ); |
235 | break; |
236 | } |
237 | snd_iprintf(buffer, "Word Length: " ); |
238 | switch (status[2] & IEC958_AES2_PRO_WORDLEN) { |
239 | case IEC958_AES2_PRO_WORDLEN_22_18: |
240 | snd_iprintf(buffer, "22 bit or 18 bit\n" ); |
241 | break; |
242 | case IEC958_AES2_PRO_WORDLEN_23_19: |
243 | snd_iprintf(buffer, "23 bit or 19 bit\n" ); |
244 | break; |
245 | case IEC958_AES2_PRO_WORDLEN_24_20: |
246 | snd_iprintf(buffer, "24 bit or 20 bit\n" ); |
247 | break; |
248 | case IEC958_AES2_PRO_WORDLEN_20_16: |
249 | snd_iprintf(buffer, "20 bit or 16 bit\n" ); |
250 | break; |
251 | default: |
252 | snd_iprintf(buffer, "unknown\n" ); |
253 | break; |
254 | } |
255 | } |
256 | } |
257 | |
258 | static void snd_ca0106_proc_iec958(struct snd_info_entry *entry, |
259 | struct snd_info_buffer *buffer) |
260 | { |
261 | struct snd_ca0106 *emu = entry->private_data; |
262 | u32 value; |
263 | |
264 | value = snd_ca0106_ptr_read(emu, SAMPLE_RATE_TRACKER_STATUS, chn: 0); |
265 | snd_iprintf(buffer, "Status: %s, %s, %s\n" , |
266 | (value & 0x100000) ? "Rate Locked" : "Not Rate Locked" , |
267 | (value & 0x200000) ? "SPDIF Locked" : "No SPDIF Lock" , |
268 | (value & 0x400000) ? "Audio Valid" : "No valid audio" ); |
269 | snd_iprintf(buffer, "Estimated sample rate: %u\n" , |
270 | ((value & 0xfffff) * 48000) / 0x8000 ); |
271 | if (value & 0x200000) { |
272 | snd_iprintf(buffer, "IEC958/SPDIF input status:\n" ); |
273 | value = snd_ca0106_ptr_read(emu, SPDIF_INPUT_STATUS, chn: 0); |
274 | snd_ca0106_proc_dump_iec958(buffer, value); |
275 | } |
276 | |
277 | snd_iprintf(buffer, "\n" ); |
278 | } |
279 | |
280 | static void snd_ca0106_proc_reg_write32(struct snd_info_entry *entry, |
281 | struct snd_info_buffer *buffer) |
282 | { |
283 | struct snd_ca0106 *emu = entry->private_data; |
284 | unsigned long flags; |
285 | char line[64]; |
286 | u32 reg, val; |
287 | while (!snd_info_get_line(buffer, line, len: sizeof(line))) { |
288 | if (sscanf(line, "%x %x" , ®, &val) != 2) |
289 | continue; |
290 | if (reg < 0x40 && val <= 0xffffffff) { |
291 | spin_lock_irqsave(&emu->emu_lock, flags); |
292 | outl(value: val, port: emu->port + (reg & 0xfffffffc)); |
293 | spin_unlock_irqrestore(lock: &emu->emu_lock, flags); |
294 | } |
295 | } |
296 | } |
297 | |
298 | static void snd_ca0106_proc_reg_read32(struct snd_info_entry *entry, |
299 | struct snd_info_buffer *buffer) |
300 | { |
301 | struct snd_ca0106 *emu = entry->private_data; |
302 | unsigned long value; |
303 | unsigned long flags; |
304 | int i; |
305 | snd_iprintf(buffer, "Registers:\n\n" ); |
306 | for(i = 0; i < 0x20; i+=4) { |
307 | spin_lock_irqsave(&emu->emu_lock, flags); |
308 | value = inl(port: emu->port + i); |
309 | spin_unlock_irqrestore(lock: &emu->emu_lock, flags); |
310 | snd_iprintf(buffer, "Register %02X: %08lX\n" , i, value); |
311 | } |
312 | } |
313 | |
314 | static void snd_ca0106_proc_reg_read16(struct snd_info_entry *entry, |
315 | struct snd_info_buffer *buffer) |
316 | { |
317 | struct snd_ca0106 *emu = entry->private_data; |
318 | unsigned int value; |
319 | unsigned long flags; |
320 | int i; |
321 | snd_iprintf(buffer, "Registers:\n\n" ); |
322 | for(i = 0; i < 0x20; i+=2) { |
323 | spin_lock_irqsave(&emu->emu_lock, flags); |
324 | value = inw(port: emu->port + i); |
325 | spin_unlock_irqrestore(lock: &emu->emu_lock, flags); |
326 | snd_iprintf(buffer, "Register %02X: %04X\n" , i, value); |
327 | } |
328 | } |
329 | |
330 | static void snd_ca0106_proc_reg_read8(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+=1) { |
339 | spin_lock_irqsave(&emu->emu_lock, flags); |
340 | value = inb(port: emu->port + i); |
341 | spin_unlock_irqrestore(lock: &emu->emu_lock, flags); |
342 | snd_iprintf(buffer, "Register %02X: %02X\n" , i, value); |
343 | } |
344 | } |
345 | |
346 | static void snd_ca0106_proc_reg_read1(struct snd_info_entry *entry, |
347 | struct snd_info_buffer *buffer) |
348 | { |
349 | struct snd_ca0106 *emu = entry->private_data; |
350 | unsigned long value; |
351 | int i,j; |
352 | |
353 | snd_iprintf(buffer, "Registers\n" ); |
354 | for(i = 0; i < 0x40; i++) { |
355 | snd_iprintf(buffer, "%02X: " ,i); |
356 | for (j = 0; j < 4; j++) { |
357 | value = snd_ca0106_ptr_read(emu, reg: i, chn: j); |
358 | snd_iprintf(buffer, "%08lX " , value); |
359 | } |
360 | snd_iprintf(buffer, "\n" ); |
361 | } |
362 | } |
363 | |
364 | static void snd_ca0106_proc_reg_read2(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 = 0x40; i < 0x80; i++) { |
373 | snd_iprintf(buffer, "%02X: " ,i); |
374 | for (j = 0; j < 4; j++) { |
375 | value = snd_ca0106_ptr_read(emu, reg: i, chn: j); |
376 | snd_iprintf(buffer, "%08lX " , value); |
377 | } |
378 | snd_iprintf(buffer, "\n" ); |
379 | } |
380 | } |
381 | |
382 | static void snd_ca0106_proc_reg_write(struct snd_info_entry *entry, |
383 | struct snd_info_buffer *buffer) |
384 | { |
385 | struct snd_ca0106 *emu = entry->private_data; |
386 | char line[64]; |
387 | unsigned int reg, channel_id , val; |
388 | while (!snd_info_get_line(buffer, line, len: sizeof(line))) { |
389 | if (sscanf(line, "%x %x %x" , ®, &channel_id, &val) != 3) |
390 | continue; |
391 | if (reg < 0x80 && val <= 0xffffffff && channel_id <= 3) |
392 | snd_ca0106_ptr_write(emu, reg, chn: channel_id, data: val); |
393 | } |
394 | } |
395 | |
396 | static void snd_ca0106_proc_i2c_write(struct snd_info_entry *entry, |
397 | struct snd_info_buffer *buffer) |
398 | { |
399 | struct snd_ca0106 *emu = entry->private_data; |
400 | char line[64]; |
401 | unsigned int reg, val; |
402 | while (!snd_info_get_line(buffer, line, len: sizeof(line))) { |
403 | if (sscanf(line, "%x %x" , ®, &val) != 2) |
404 | continue; |
405 | if ((reg <= 0x7f) || (val <= 0x1ff)) { |
406 | snd_ca0106_i2c_write(emu, reg, value: val); |
407 | } |
408 | } |
409 | } |
410 | |
411 | int snd_ca0106_proc_init(struct snd_ca0106 *emu) |
412 | { |
413 | snd_card_ro_proc_new(card: emu->card, name: "iec958" , private_data: emu, read: snd_ca0106_proc_iec958); |
414 | snd_card_rw_proc_new(card: emu->card, name: "ca0106_reg32" , private_data: emu, |
415 | read: snd_ca0106_proc_reg_read32, |
416 | write: snd_ca0106_proc_reg_write32); |
417 | snd_card_ro_proc_new(card: emu->card, name: "ca0106_reg16" , private_data: emu, |
418 | read: snd_ca0106_proc_reg_read16); |
419 | snd_card_ro_proc_new(card: emu->card, name: "ca0106_reg8" , private_data: emu, |
420 | read: snd_ca0106_proc_reg_read8); |
421 | snd_card_rw_proc_new(card: emu->card, name: "ca0106_regs1" , private_data: emu, |
422 | read: snd_ca0106_proc_reg_read1, |
423 | write: snd_ca0106_proc_reg_write); |
424 | snd_card_rw_proc_new(card: emu->card, name: "ca0106_i2c" , private_data: emu, NULL, |
425 | write: snd_ca0106_proc_i2c_write); |
426 | snd_card_ro_proc_new(card: emu->card, name: "ca0106_regs2" , private_data: emu, |
427 | read: snd_ca0106_proc_reg_read2); |
428 | return 0; |
429 | } |
430 | |