1 // SPDX-License-Identifier: GPL-2.0-or-later
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
7 * FEATURES currently supported:
8 * See ca0106_main.c for features.
11 * Support interrupts per period.
12 * Removed noise from Center/LFE channel when in Analog mode.
13 * Rename and remove mixer controls.
15 * Use separate card based DMA buffer for periods table list.
17 * Change remove and rename ctrls into lists.
19 * Try to fix capture sources.
22 * Enable S32_LE format support.
24 * Enable playback 48000 and 96000 rates. (Rates other that these do not work, even with "plug:front".)
26 * Add Model name recognition.
28 * Correct interrupt timing. interrupt at end of period, instead of in the middle of a playback period.
29 * Remove redundent "voice" handling.
31 * Single trigger call for multi channels.
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.
38 * Separate ca0106.c into separate functional .c files.
40 * Modified Copyright message.
42 * Add iec958 file in proc file system to show status of SPDIF in.
44 * Implement support for Line-in capture on SB Live 24bit.
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>
49 #include <linux/delay.h>
50 #include <linux/init.h>
51 #include <linux/interrupt.h>
52 #include <linux/moduleparam.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>
64 struct snd_ca0106_category_str {
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" },
84 static void snd_ca0106_proc_dump_iec958( struct snd_info_buffer *buffer, u32 value)
88 status[0] = value & 0xff;
89 status[1] = (value >> 8) & 0xff;
90 status[2] = (value >> 16) & 0xff;
91 status[3] = (value >> 24) & 0xff;
93 if (! (status[0] & IEC958_AES0_PROFESSIONAL)) {
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");
100 snd_iprintf(buffer, "non-audio\n");
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");
107 case IEC958_AES3_CON_FS_48000:
108 snd_iprintf(buffer, "48000 Hz\n");
110 case IEC958_AES3_CON_FS_32000:
111 snd_iprintf(buffer, "32000 Hz\n");
114 snd_iprintf(buffer, "unknown\n");
117 snd_iprintf(buffer, "Copyright: ");
118 if (status[0] & IEC958_AES0_CON_NOT_COPYRIGHT) {
119 snd_iprintf(buffer, "permitted\n");
121 snd_iprintf(buffer, "protected\n");
123 snd_iprintf(buffer, "Emphasis: ");
124 if ((status[0] & IEC958_AES0_CON_EMPHASIS) != IEC958_AES0_CON_EMPHASIS_5015) {
125 snd_iprintf(buffer, "none\n");
127 snd_iprintf(buffer, "50/15us\n");
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);
136 if (i >= ARRAY_SIZE(snd_ca0106_con_category)) {
137 snd_iprintf(buffer, "unknown 0x%x\n", status[1] & IEC958_AES1_CON_CATEGORY);
139 snd_iprintf(buffer, "Original: ");
140 if (status[1] & IEC958_AES1_CON_ORIGINAL) {
141 snd_iprintf(buffer, "original\n");
143 snd_iprintf(buffer, "1st generation\n");
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");
150 case IEC958_AES3_CON_CLOCK_50PPM:
151 snd_iprintf(buffer, "50 ppm\n");
153 case IEC958_AES3_CON_CLOCK_VARIABLE:
154 snd_iprintf(buffer, "variable pitch\n");
157 snd_iprintf(buffer, "unknown\n");
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");
166 snd_iprintf(buffer, "non-audio\n");
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");
173 case IEC958_AES0_PRO_FS_48000:
174 snd_iprintf(buffer, "48000 Hz\n");
176 case IEC958_AES0_PRO_FS_32000:
177 snd_iprintf(buffer, "32000 Hz\n");
180 snd_iprintf(buffer, "unknown\n");
183 snd_iprintf(buffer, "Rate Locked: ");
184 if (status[0] & IEC958_AES0_PRO_FREQ_UNLOCKED)
185 snd_iprintf(buffer, "no\n");
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");
193 case IEC958_AES0_PRO_EMPHASIS_NONE:
194 snd_iprintf(buffer, "none\n");
196 case IEC958_AES0_PRO_EMPHASIS_5015:
197 snd_iprintf(buffer, "50/15us\n");
199 case IEC958_AES0_PRO_EMPHASIS_NOTID:
201 snd_iprintf(buffer, "unknown\n");
204 snd_iprintf(buffer, "Stereophonic: ");
205 if ((status[1] & IEC958_AES1_PRO_MODE) == IEC958_AES1_PRO_MODE_STEREOPHONIC) {
206 snd_iprintf(buffer, "stereo\n");
208 snd_iprintf(buffer, "not indicated\n");
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");
215 case IEC958_AES1_PRO_USERBITS_UDEF:
216 snd_iprintf(buffer, "user-defined\n");
219 snd_iprintf(buffer, "unknown\n");
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");
227 case IEC958_AES2_PRO_SBITS_24:
228 snd_iprintf(buffer, "24 bit\n");
230 case IEC958_AES2_PRO_SBITS_UDEF:
231 snd_iprintf(buffer, "user defined\n");
234 snd_iprintf(buffer, "unknown\n");
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");
242 case IEC958_AES2_PRO_WORDLEN_23_19:
243 snd_iprintf(buffer, "23 bit or 19 bit\n");
245 case IEC958_AES2_PRO_WORDLEN_24_20:
246 snd_iprintf(buffer, "24 bit or 20 bit\n");
248 case IEC958_AES2_PRO_WORDLEN_20_16:
249 snd_iprintf(buffer, "20 bit or 16 bit\n");
252 snd_iprintf(buffer, "unknown\n");
258 static void snd_ca0106_proc_iec958(struct snd_info_entry *entry,
259 struct snd_info_buffer *buffer)
261 struct snd_ca0106 *emu = entry->private_data;
264 value = snd_ca0106_ptr_read(emu, SAMPLE_RATE_TRACKER_STATUS, 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, 0);
274 snd_ca0106_proc_dump_iec958(buffer, value);
277 snd_iprintf(buffer, "\n");
280 static void snd_ca0106_proc_reg_write32(struct snd_info_entry *entry,
281 struct snd_info_buffer *buffer)
283 struct snd_ca0106 *emu = entry->private_data;
287 while (!snd_info_get_line(buffer, line, sizeof(line))) {
288 if (sscanf(line, "%x %x", ®, &val) != 2)
290 if (reg < 0x40 && val <= 0xffffffff) {
291 spin_lock_irqsave(&emu->emu_lock, flags);
292 outl(val, emu->port + (reg & 0xfffffffc));
293 spin_unlock_irqrestore(&emu->emu_lock, flags);
298 static void snd_ca0106_proc_reg_read32(struct snd_info_entry *entry,
299 struct snd_info_buffer *buffer)
301 struct snd_ca0106 *emu = entry->private_data;
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(emu->port + i);
309 spin_unlock_irqrestore(&emu->emu_lock, flags);
310 snd_iprintf(buffer, "Register %02X: %08lX\n", i, value);
314 static void snd_ca0106_proc_reg_read16(struct snd_info_entry *entry,
315 struct snd_info_buffer *buffer)
317 struct snd_ca0106 *emu = entry->private_data;
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(emu->port + i);
325 spin_unlock_irqrestore(&emu->emu_lock, flags);
326 snd_iprintf(buffer, "Register %02X: %04X\n", i, value);
330 static void snd_ca0106_proc_reg_read8(struct snd_info_entry *entry,
331 struct snd_info_buffer *buffer)
333 struct snd_ca0106 *emu = entry->private_data;
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(emu->port + i);
341 spin_unlock_irqrestore(&emu->emu_lock, flags);
342 snd_iprintf(buffer, "Register %02X: %02X\n", i, value);
346 static void snd_ca0106_proc_reg_read1(struct snd_info_entry *entry,
347 struct snd_info_buffer *buffer)
349 struct snd_ca0106 *emu = entry->private_data;
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, i, j);
358 snd_iprintf(buffer, "%08lX ", value);
360 snd_iprintf(buffer, "\n");
364 static void snd_ca0106_proc_reg_read2(struct snd_info_entry *entry,
365 struct snd_info_buffer *buffer)
367 struct snd_ca0106 *emu = entry->private_data;
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, i, j);
376 snd_iprintf(buffer, "%08lX ", value);
378 snd_iprintf(buffer, "\n");
382 static void snd_ca0106_proc_reg_write(struct snd_info_entry *entry,
383 struct snd_info_buffer *buffer)
385 struct snd_ca0106 *emu = entry->private_data;
387 unsigned int reg, channel_id , val;
388 while (!snd_info_get_line(buffer, line, sizeof(line))) {
389 if (sscanf(line, "%x %x %x", ®, &channel_id, &val) != 3)
391 if (reg < 0x80 && val <= 0xffffffff && channel_id <= 3)
392 snd_ca0106_ptr_write(emu, reg, channel_id, val);
396 static void snd_ca0106_proc_i2c_write(struct snd_info_entry *entry,
397 struct snd_info_buffer *buffer)
399 struct snd_ca0106 *emu = entry->private_data;
401 unsigned int reg, val;
402 while (!snd_info_get_line(buffer, line, sizeof(line))) {
403 if (sscanf(line, "%x %x", ®, &val) != 2)
405 if ((reg <= 0x7f) || (val <= 0x1ff)) {
406 snd_ca0106_i2c_write(emu, reg, val);
411 int snd_ca0106_proc_init(struct snd_ca0106 *emu)
413 snd_card_ro_proc_new(emu->card, "iec958", emu, snd_ca0106_proc_iec958);
414 snd_card_rw_proc_new(emu->card, "ca0106_reg32", emu,
415 snd_ca0106_proc_reg_read32,
416 snd_ca0106_proc_reg_write32);
417 snd_card_ro_proc_new(emu->card, "ca0106_reg16", emu,
418 snd_ca0106_proc_reg_read16);
419 snd_card_ro_proc_new(emu->card, "ca0106_reg8", emu,
420 snd_ca0106_proc_reg_read8);
421 snd_card_rw_proc_new(emu->card, "ca0106_regs1", emu,
422 snd_ca0106_proc_reg_read1,
423 snd_ca0106_proc_reg_write);
424 snd_card_rw_proc_new(emu->card, "ca0106_i2c", emu, NULL,
425 snd_ca0106_proc_i2c_write);
426 snd_card_ro_proc_new(emu->card, "ca0106_regs2", emu,
427 snd_ca0106_proc_reg_read2);