1 | // SPDX-License-Identifier: GPL-2.0-or-later |
2 | /* |
3 | * Matt Wu <Matt_Wu@acersoftech.com.cn> |
4 | * Apr 26, 2001 |
5 | * Routines for control of ALi pci audio M5451 |
6 | * |
7 | * BUGS: |
8 | * -- |
9 | * |
10 | * TODO: |
11 | * -- |
12 | */ |
13 | |
14 | #include <linux/io.h> |
15 | #include <linux/delay.h> |
16 | #include <linux/interrupt.h> |
17 | #include <linux/init.h> |
18 | #include <linux/pci.h> |
19 | #include <linux/slab.h> |
20 | #include <linux/module.h> |
21 | #include <linux/dma-mapping.h> |
22 | #include <sound/core.h> |
23 | #include <sound/pcm.h> |
24 | #include <sound/info.h> |
25 | #include <sound/ac97_codec.h> |
26 | #include <sound/mpu401.h> |
27 | #include <sound/initval.h> |
28 | |
29 | MODULE_AUTHOR("Matt Wu <Matt_Wu@acersoftech.com.cn>" ); |
30 | MODULE_DESCRIPTION("ALI M5451" ); |
31 | MODULE_LICENSE("GPL" ); |
32 | |
33 | static int index = SNDRV_DEFAULT_IDX1; /* Index */ |
34 | static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */ |
35 | static int pcm_channels = 32; |
36 | static bool spdif; |
37 | |
38 | module_param(index, int, 0444); |
39 | MODULE_PARM_DESC(index, "Index value for ALI M5451 PCI Audio." ); |
40 | module_param(id, charp, 0444); |
41 | MODULE_PARM_DESC(id, "ID string for ALI M5451 PCI Audio." ); |
42 | module_param(pcm_channels, int, 0444); |
43 | MODULE_PARM_DESC(pcm_channels, "PCM Channels" ); |
44 | module_param(spdif, bool, 0444); |
45 | MODULE_PARM_DESC(spdif, "Support SPDIF I/O" ); |
46 | |
47 | /* just for backward compatibility */ |
48 | static bool enable; |
49 | module_param(enable, bool, 0444); |
50 | |
51 | |
52 | /* |
53 | * Constants definition |
54 | */ |
55 | |
56 | #define DEVICE_ID_ALI5451 ((PCI_VENDOR_ID_AL<<16)|PCI_DEVICE_ID_AL_M5451) |
57 | |
58 | |
59 | #define ALI_CHANNELS 32 |
60 | |
61 | #define ALI_PCM_IN_CHANNEL 31 |
62 | #define ALI_SPDIF_IN_CHANNEL 19 |
63 | #define ALI_SPDIF_OUT_CHANNEL 15 |
64 | #define ALI_CENTER_CHANNEL 24 |
65 | #define ALI_LEF_CHANNEL 23 |
66 | #define ALI_SURR_LEFT_CHANNEL 26 |
67 | #define ALI_SURR_RIGHT_CHANNEL 25 |
68 | #define ALI_MODEM_IN_CHANNEL 21 |
69 | #define ALI_MODEM_OUT_CHANNEL 20 |
70 | |
71 | #define SNDRV_ALI_VOICE_TYPE_PCM 01 |
72 | #define SNDRV_ALI_VOICE_TYPE_OTH 02 |
73 | |
74 | #define ALI_5451_V02 0x02 |
75 | |
76 | /* |
77 | * Direct Registers |
78 | */ |
79 | |
80 | #define ALI_LEGACY_DMAR0 0x00 /* ADR0 */ |
81 | #define ALI_LEGACY_DMAR4 0x04 /* CNT0 */ |
82 | #define ALI_LEGACY_DMAR11 0x0b /* MOD */ |
83 | #define ALI_LEGACY_DMAR15 0x0f /* MMR */ |
84 | #define ALI_MPUR0 0x20 |
85 | #define ALI_MPUR1 0x21 |
86 | #define ALI_MPUR2 0x22 |
87 | #define ALI_MPUR3 0x23 |
88 | |
89 | #define ALI_AC97_WRITE 0x40 |
90 | #define ALI_AC97_READ 0x44 |
91 | |
92 | #define ALI_SCTRL 0x48 |
93 | #define ALI_SPDIF_OUT_ENABLE 0x20 |
94 | #define ALI_SCTRL_LINE_IN2 (1 << 9) |
95 | #define ALI_SCTRL_GPIO_IN2 (1 << 13) |
96 | #define ALI_SCTRL_LINE_OUT_EN (1 << 20) |
97 | #define ALI_SCTRL_GPIO_OUT_EN (1 << 23) |
98 | #define ALI_SCTRL_CODEC1_READY (1 << 24) |
99 | #define ALI_SCTRL_CODEC2_READY (1 << 25) |
100 | #define ALI_AC97_GPIO 0x4c |
101 | #define ALI_AC97_GPIO_ENABLE 0x8000 |
102 | #define ALI_AC97_GPIO_DATA_SHIFT 16 |
103 | #define ALI_SPDIF_CS 0x70 |
104 | #define ALI_SPDIF_CTRL 0x74 |
105 | #define ALI_SPDIF_IN_FUNC_ENABLE 0x02 |
106 | #define ALI_SPDIF_IN_CH_STATUS 0x40 |
107 | #define ALI_SPDIF_OUT_CH_STATUS 0xbf |
108 | #define ALI_START 0x80 |
109 | #define ALI_STOP 0x84 |
110 | #define ALI_CSPF 0x90 |
111 | #define ALI_AINT 0x98 |
112 | #define ALI_GC_CIR 0xa0 |
113 | #define ENDLP_IE 0x00001000 |
114 | #define MIDLP_IE 0x00002000 |
115 | #define ALI_AINTEN 0xa4 |
116 | #define ALI_VOLUME 0xa8 |
117 | #define ALI_SBDELTA_DELTA_R 0xac |
118 | #define ALI_MISCINT 0xb0 |
119 | #define ADDRESS_IRQ 0x00000020 |
120 | #define TARGET_REACHED 0x00008000 |
121 | #define MIXER_OVERFLOW 0x00000800 |
122 | #define MIXER_UNDERFLOW 0x00000400 |
123 | #define GPIO_IRQ 0x01000000 |
124 | #define ALI_SBBL_SBCL 0xc0 |
125 | #define ALI_SBCTRL_SBE2R_SBDD 0xc4 |
126 | #define ALI_STIMER 0xc8 |
127 | #define ALI_GLOBAL_CONTROL 0xd4 |
128 | #define ALI_SPDIF_OUT_SEL_PCM 0x00000400 /* bit 10 */ |
129 | #define ALI_SPDIF_IN_SUPPORT 0x00000800 /* bit 11 */ |
130 | #define ALI_SPDIF_OUT_CH_ENABLE 0x00008000 /* bit 15 */ |
131 | #define ALI_SPDIF_IN_CH_ENABLE 0x00080000 /* bit 19 */ |
132 | #define ALI_PCM_IN_ENABLE 0x80000000 /* bit 31 */ |
133 | |
134 | #define ALI_CSO_ALPHA_FMS 0xe0 |
135 | #define ALI_LBA 0xe4 |
136 | #define ALI_ESO_DELTA 0xe8 |
137 | #define ALI_GVSEL_PAN_VOC_CTRL_EC 0xf0 |
138 | #define ALI_EBUF1 0xf4 |
139 | #define ALI_EBUF2 0xf8 |
140 | |
141 | #define ALI_REG(codec, x) ((codec)->port + x) |
142 | |
143 | #define MAX_CODECS 2 |
144 | |
145 | |
146 | struct snd_ali; |
147 | struct snd_ali_voice; |
148 | |
149 | struct snd_ali_channel_control { |
150 | /* register data */ |
151 | struct REGDATA { |
152 | unsigned int start; |
153 | unsigned int stop; |
154 | unsigned int aint; |
155 | unsigned int ainten; |
156 | } data; |
157 | |
158 | /* register addresses */ |
159 | struct REGS { |
160 | unsigned int start; |
161 | unsigned int stop; |
162 | unsigned int aint; |
163 | unsigned int ainten; |
164 | unsigned int ac97read; |
165 | unsigned int ac97write; |
166 | } regs; |
167 | |
168 | }; |
169 | |
170 | struct snd_ali_voice { |
171 | unsigned int number; |
172 | unsigned int use :1, |
173 | pcm :1, |
174 | midi :1, |
175 | mode :1, |
176 | synth :1, |
177 | running :1; |
178 | |
179 | /* PCM data */ |
180 | struct snd_ali *codec; |
181 | struct snd_pcm_substream *substream; |
182 | struct snd_ali_voice *; |
183 | |
184 | int eso; /* final ESO value for channel */ |
185 | int count; /* runtime->period_size */ |
186 | |
187 | /* --- */ |
188 | |
189 | void *private_data; |
190 | void (*private_free)(void *private_data); |
191 | }; |
192 | |
193 | |
194 | struct snd_alidev { |
195 | |
196 | struct snd_ali_voice voices[ALI_CHANNELS]; |
197 | |
198 | unsigned int chcnt; /* num of opened channels */ |
199 | unsigned int chmap; /* bitmap for opened channels */ |
200 | unsigned int synthcount; |
201 | |
202 | }; |
203 | |
204 | |
205 | #define ALI_GLOBAL_REGS 56 |
206 | #define ALI_CHANNEL_REGS 8 |
207 | struct snd_ali_image { |
208 | u32 regs[ALI_GLOBAL_REGS]; |
209 | u32 channel_regs[ALI_CHANNELS][ALI_CHANNEL_REGS]; |
210 | }; |
211 | |
212 | |
213 | struct snd_ali { |
214 | int irq; |
215 | unsigned long port; |
216 | unsigned char revision; |
217 | |
218 | unsigned int hw_initialized :1; |
219 | unsigned int spdif_support :1; |
220 | |
221 | struct pci_dev *pci; |
222 | struct pci_dev *pci_m1533; |
223 | struct pci_dev *pci_m7101; |
224 | |
225 | struct snd_card *card; |
226 | struct snd_pcm *pcm[MAX_CODECS]; |
227 | struct snd_alidev synth; |
228 | struct snd_ali_channel_control chregs; |
229 | |
230 | /* S/PDIF Mask */ |
231 | unsigned int spdif_mask; |
232 | |
233 | unsigned int spurious_irq_count; |
234 | unsigned int spurious_irq_max_delta; |
235 | |
236 | unsigned int num_of_codecs; |
237 | |
238 | struct snd_ac97_bus *ac97_bus; |
239 | struct snd_ac97 *ac97[MAX_CODECS]; |
240 | unsigned short ac97_ext_id; |
241 | unsigned short ac97_ext_status; |
242 | |
243 | spinlock_t reg_lock; |
244 | spinlock_t voice_alloc; |
245 | |
246 | struct snd_ali_image image; |
247 | }; |
248 | |
249 | static const struct pci_device_id snd_ali_ids[] = { |
250 | {PCI_DEVICE(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M5451), 0, 0, 0}, |
251 | {0, } |
252 | }; |
253 | MODULE_DEVICE_TABLE(pci, snd_ali_ids); |
254 | |
255 | static void snd_ali_clear_voices(struct snd_ali *, unsigned int, unsigned int); |
256 | static unsigned short snd_ali_codec_peek(struct snd_ali *, int, unsigned short); |
257 | static void snd_ali_codec_poke(struct snd_ali *, int, unsigned short, |
258 | unsigned short); |
259 | |
260 | /* |
261 | * AC97 ACCESS |
262 | */ |
263 | |
264 | static inline unsigned int snd_ali_5451_peek(struct snd_ali *codec, |
265 | unsigned int port) |
266 | { |
267 | return (unsigned int)inl(ALI_REG(codec, port)); |
268 | } |
269 | |
270 | static inline void snd_ali_5451_poke(struct snd_ali *codec, |
271 | unsigned int port, |
272 | unsigned int val) |
273 | { |
274 | outl(value: (unsigned int)val, ALI_REG(codec, port)); |
275 | } |
276 | |
277 | static int snd_ali_codec_ready(struct snd_ali *codec, |
278 | unsigned int port) |
279 | { |
280 | unsigned long end_time; |
281 | unsigned int res; |
282 | |
283 | end_time = jiffies + msecs_to_jiffies(m: 250); |
284 | |
285 | for (;;) { |
286 | res = snd_ali_5451_peek(codec,port); |
287 | if (!(res & 0x8000)) |
288 | return 0; |
289 | if (!time_after_eq(end_time, jiffies)) |
290 | break; |
291 | schedule_timeout_uninterruptible(timeout: 1); |
292 | } |
293 | |
294 | snd_ali_5451_poke(codec, port, val: res & ~0x8000); |
295 | dev_dbg(codec->card->dev, "ali_codec_ready: codec is not ready.\n " ); |
296 | return -EIO; |
297 | } |
298 | |
299 | static int snd_ali_stimer_ready(struct snd_ali *codec) |
300 | { |
301 | unsigned long end_time; |
302 | unsigned long dwChk1,dwChk2; |
303 | |
304 | dwChk1 = snd_ali_5451_peek(codec, ALI_STIMER); |
305 | end_time = jiffies + msecs_to_jiffies(m: 250); |
306 | |
307 | for (;;) { |
308 | dwChk2 = snd_ali_5451_peek(codec, ALI_STIMER); |
309 | if (dwChk2 != dwChk1) |
310 | return 0; |
311 | if (!time_after_eq(end_time, jiffies)) |
312 | break; |
313 | schedule_timeout_uninterruptible(timeout: 1); |
314 | } |
315 | |
316 | dev_err(codec->card->dev, "ali_stimer_read: stimer is not ready.\n" ); |
317 | return -EIO; |
318 | } |
319 | |
320 | static void snd_ali_codec_poke(struct snd_ali *codec,int secondary, |
321 | unsigned short reg, |
322 | unsigned short val) |
323 | { |
324 | unsigned int dwVal; |
325 | unsigned int port; |
326 | |
327 | if (reg >= 0x80) { |
328 | dev_err(codec->card->dev, |
329 | "ali_codec_poke: reg(%xh) invalid.\n" , reg); |
330 | return; |
331 | } |
332 | |
333 | port = codec->chregs.regs.ac97write; |
334 | |
335 | if (snd_ali_codec_ready(codec, port) < 0) |
336 | return; |
337 | if (snd_ali_stimer_ready(codec) < 0) |
338 | return; |
339 | |
340 | dwVal = (unsigned int) (reg & 0xff); |
341 | dwVal |= 0x8000 | (val << 16); |
342 | if (secondary) |
343 | dwVal |= 0x0080; |
344 | if (codec->revision == ALI_5451_V02) |
345 | dwVal |= 0x0100; |
346 | |
347 | snd_ali_5451_poke(codec, port, val: dwVal); |
348 | |
349 | return ; |
350 | } |
351 | |
352 | static unsigned short snd_ali_codec_peek(struct snd_ali *codec, |
353 | int secondary, |
354 | unsigned short reg) |
355 | { |
356 | unsigned int dwVal; |
357 | unsigned int port; |
358 | |
359 | if (reg >= 0x80) { |
360 | dev_err(codec->card->dev, |
361 | "ali_codec_peek: reg(%xh) invalid.\n" , reg); |
362 | return ~0; |
363 | } |
364 | |
365 | port = codec->chregs.regs.ac97read; |
366 | |
367 | if (snd_ali_codec_ready(codec, port) < 0) |
368 | return ~0; |
369 | if (snd_ali_stimer_ready(codec) < 0) |
370 | return ~0; |
371 | |
372 | dwVal = (unsigned int) (reg & 0xff); |
373 | dwVal |= 0x8000; /* bit 15*/ |
374 | if (secondary) |
375 | dwVal |= 0x0080; |
376 | |
377 | snd_ali_5451_poke(codec, port, val: dwVal); |
378 | |
379 | if (snd_ali_stimer_ready(codec) < 0) |
380 | return ~0; |
381 | if (snd_ali_codec_ready(codec, port) < 0) |
382 | return ~0; |
383 | |
384 | return (snd_ali_5451_peek(codec, port) & 0xffff0000) >> 16; |
385 | } |
386 | |
387 | static void snd_ali_codec_write(struct snd_ac97 *ac97, |
388 | unsigned short reg, |
389 | unsigned short val ) |
390 | { |
391 | struct snd_ali *codec = ac97->private_data; |
392 | |
393 | dev_dbg(codec->card->dev, "codec_write: reg=%xh data=%xh.\n" , reg, val); |
394 | if (reg == AC97_GPIO_STATUS) { |
395 | outl(value: (val << ALI_AC97_GPIO_DATA_SHIFT) | ALI_AC97_GPIO_ENABLE, |
396 | ALI_REG(codec, ALI_AC97_GPIO)); |
397 | return; |
398 | } |
399 | snd_ali_codec_poke(codec, secondary: ac97->num, reg, val); |
400 | return ; |
401 | } |
402 | |
403 | |
404 | static unsigned short snd_ali_codec_read(struct snd_ac97 *ac97, |
405 | unsigned short reg) |
406 | { |
407 | struct snd_ali *codec = ac97->private_data; |
408 | |
409 | dev_dbg(codec->card->dev, "codec_read reg=%xh.\n" , reg); |
410 | return snd_ali_codec_peek(codec, secondary: ac97->num, reg); |
411 | } |
412 | |
413 | /* |
414 | * AC97 Reset |
415 | */ |
416 | |
417 | static int snd_ali_reset_5451(struct snd_ali *codec) |
418 | { |
419 | struct pci_dev *pci_dev; |
420 | unsigned short wCount, wReg; |
421 | unsigned int dwVal; |
422 | |
423 | pci_dev = codec->pci_m1533; |
424 | if (pci_dev) { |
425 | pci_read_config_dword(dev: pci_dev, where: 0x7c, val: &dwVal); |
426 | pci_write_config_dword(dev: pci_dev, where: 0x7c, val: dwVal | 0x08000000); |
427 | mdelay(5); |
428 | pci_read_config_dword(dev: pci_dev, where: 0x7c, val: &dwVal); |
429 | pci_write_config_dword(dev: pci_dev, where: 0x7c, val: dwVal & 0xf7ffffff); |
430 | mdelay(5); |
431 | } |
432 | |
433 | pci_dev = codec->pci; |
434 | pci_read_config_dword(dev: pci_dev, where: 0x44, val: &dwVal); |
435 | pci_write_config_dword(dev: pci_dev, where: 0x44, val: dwVal | 0x000c0000); |
436 | udelay(500); |
437 | pci_read_config_dword(dev: pci_dev, where: 0x44, val: &dwVal); |
438 | pci_write_config_dword(dev: pci_dev, where: 0x44, val: dwVal & 0xfffbffff); |
439 | mdelay(5); |
440 | |
441 | wCount = 200; |
442 | while(wCount--) { |
443 | wReg = snd_ali_codec_peek(codec, secondary: 0, AC97_POWERDOWN); |
444 | if ((wReg & 0x000f) == 0x000f) |
445 | return 0; |
446 | mdelay(5); |
447 | } |
448 | |
449 | /* non-fatal if you have a non PM capable codec */ |
450 | /* dev_warn(codec->card->dev, "ali5451: reset time out\n"); */ |
451 | return 0; |
452 | } |
453 | |
454 | /* |
455 | * ALI 5451 Controller |
456 | */ |
457 | |
458 | static void snd_ali_enable_special_channel(struct snd_ali *codec, |
459 | unsigned int channel) |
460 | { |
461 | unsigned long dwVal; |
462 | |
463 | dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)); |
464 | dwVal |= 1 << (channel & 0x0000001f); |
465 | outl(value: dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); |
466 | } |
467 | |
468 | static void snd_ali_disable_special_channel(struct snd_ali *codec, |
469 | unsigned int channel) |
470 | { |
471 | unsigned long dwVal; |
472 | |
473 | dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)); |
474 | dwVal &= ~(1 << (channel & 0x0000001f)); |
475 | outl(value: dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); |
476 | } |
477 | |
478 | static void snd_ali_enable_address_interrupt(struct snd_ali *codec) |
479 | { |
480 | unsigned int gc; |
481 | |
482 | gc = inl(ALI_REG(codec, ALI_GC_CIR)); |
483 | gc |= ENDLP_IE; |
484 | gc |= MIDLP_IE; |
485 | outl( value: gc, ALI_REG(codec, ALI_GC_CIR)); |
486 | } |
487 | |
488 | static void snd_ali_disable_address_interrupt(struct snd_ali *codec) |
489 | { |
490 | unsigned int gc; |
491 | |
492 | gc = inl(ALI_REG(codec, ALI_GC_CIR)); |
493 | gc &= ~ENDLP_IE; |
494 | gc &= ~MIDLP_IE; |
495 | outl(value: gc, ALI_REG(codec, ALI_GC_CIR)); |
496 | } |
497 | |
498 | static void snd_ali_disable_voice_irq(struct snd_ali *codec, |
499 | unsigned int channel) |
500 | { |
501 | unsigned int mask; |
502 | struct snd_ali_channel_control *pchregs = &(codec->chregs); |
503 | |
504 | dev_dbg(codec->card->dev, "disable_voice_irq channel=%d\n" , channel); |
505 | |
506 | mask = 1 << (channel & 0x1f); |
507 | pchregs->data.ainten = inl(ALI_REG(codec, pchregs->regs.ainten)); |
508 | pchregs->data.ainten &= ~mask; |
509 | outl(value: pchregs->data.ainten, ALI_REG(codec, pchregs->regs.ainten)); |
510 | } |
511 | |
512 | static int snd_ali_alloc_pcm_channel(struct snd_ali *codec, int channel) |
513 | { |
514 | unsigned int idx = channel & 0x1f; |
515 | |
516 | if (codec->synth.chcnt >= ALI_CHANNELS){ |
517 | dev_err(codec->card->dev, |
518 | "ali_alloc_pcm_channel: no free channels.\n" ); |
519 | return -1; |
520 | } |
521 | |
522 | if (!(codec->synth.chmap & (1 << idx))) { |
523 | codec->synth.chmap |= 1 << idx; |
524 | codec->synth.chcnt++; |
525 | dev_dbg(codec->card->dev, "alloc_pcm_channel no. %d.\n" , idx); |
526 | return idx; |
527 | } |
528 | return -1; |
529 | } |
530 | |
531 | static int snd_ali_find_free_channel(struct snd_ali * codec, int rec) |
532 | { |
533 | int idx; |
534 | int result = -1; |
535 | |
536 | dev_dbg(codec->card->dev, |
537 | "find_free_channel: for %s\n" , rec ? "rec" : "pcm" ); |
538 | |
539 | /* recording */ |
540 | if (rec) { |
541 | if (codec->spdif_support && |
542 | (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) & |
543 | ALI_SPDIF_IN_SUPPORT)) |
544 | idx = ALI_SPDIF_IN_CHANNEL; |
545 | else |
546 | idx = ALI_PCM_IN_CHANNEL; |
547 | |
548 | result = snd_ali_alloc_pcm_channel(codec, channel: idx); |
549 | if (result >= 0) |
550 | return result; |
551 | else { |
552 | dev_err(codec->card->dev, |
553 | "ali_find_free_channel: record channel is busy now.\n" ); |
554 | return -1; |
555 | } |
556 | } |
557 | |
558 | /* playback... */ |
559 | if (codec->spdif_support && |
560 | (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) & |
561 | ALI_SPDIF_OUT_CH_ENABLE)) { |
562 | idx = ALI_SPDIF_OUT_CHANNEL; |
563 | result = snd_ali_alloc_pcm_channel(codec, channel: idx); |
564 | if (result >= 0) |
565 | return result; |
566 | else |
567 | dev_err(codec->card->dev, |
568 | "ali_find_free_channel: S/PDIF out channel is in busy now.\n" ); |
569 | } |
570 | |
571 | for (idx = 0; idx < ALI_CHANNELS; idx++) { |
572 | result = snd_ali_alloc_pcm_channel(codec, channel: idx); |
573 | if (result >= 0) |
574 | return result; |
575 | } |
576 | dev_err(codec->card->dev, "ali_find_free_channel: no free channels.\n" ); |
577 | return -1; |
578 | } |
579 | |
580 | static void snd_ali_free_channel_pcm(struct snd_ali *codec, int channel) |
581 | { |
582 | unsigned int idx = channel & 0x0000001f; |
583 | |
584 | dev_dbg(codec->card->dev, "free_channel_pcm channel=%d\n" , channel); |
585 | |
586 | if (channel < 0 || channel >= ALI_CHANNELS) |
587 | return; |
588 | |
589 | if (!(codec->synth.chmap & (1 << idx))) { |
590 | dev_err(codec->card->dev, |
591 | "ali_free_channel_pcm: channel %d is not in use.\n" , |
592 | channel); |
593 | return; |
594 | } else { |
595 | codec->synth.chmap &= ~(1 << idx); |
596 | codec->synth.chcnt--; |
597 | } |
598 | } |
599 | |
600 | static void snd_ali_stop_voice(struct snd_ali *codec, unsigned int channel) |
601 | { |
602 | unsigned int mask = 1 << (channel & 0x1f); |
603 | |
604 | dev_dbg(codec->card->dev, "stop_voice: channel=%d\n" , channel); |
605 | outl(value: mask, ALI_REG(codec, codec->chregs.regs.stop)); |
606 | } |
607 | |
608 | /* |
609 | * S/PDIF Part |
610 | */ |
611 | |
612 | static void snd_ali_delay(struct snd_ali *codec,int interval) |
613 | { |
614 | unsigned long begintimer,currenttimer; |
615 | |
616 | begintimer = inl(ALI_REG(codec, ALI_STIMER)); |
617 | currenttimer = inl(ALI_REG(codec, ALI_STIMER)); |
618 | |
619 | while (currenttimer < begintimer + interval) { |
620 | if (snd_ali_stimer_ready(codec) < 0) |
621 | break; |
622 | currenttimer = inl(ALI_REG(codec, ALI_STIMER)); |
623 | cpu_relax(); |
624 | } |
625 | } |
626 | |
627 | static void snd_ali_detect_spdif_rate(struct snd_ali *codec) |
628 | { |
629 | u16 wval; |
630 | u16 count = 0; |
631 | u8 bval, R1 = 0, R2; |
632 | |
633 | bval = inb(ALI_REG(codec, ALI_SPDIF_CTRL + 1)); |
634 | bval |= 0x1F; |
635 | outb(value: bval, ALI_REG(codec, ALI_SPDIF_CTRL + 1)); |
636 | |
637 | while ((R1 < 0x0b || R1 > 0x0e) && R1 != 0x12 && count <= 50000) { |
638 | count ++; |
639 | snd_ali_delay(codec, interval: 6); |
640 | bval = inb(ALI_REG(codec, ALI_SPDIF_CTRL + 1)); |
641 | R1 = bval & 0x1F; |
642 | } |
643 | |
644 | if (count > 50000) { |
645 | dev_err(codec->card->dev, "ali_detect_spdif_rate: timeout!\n" ); |
646 | return; |
647 | } |
648 | |
649 | for (count = 0; count <= 50000; count++) { |
650 | snd_ali_delay(codec, interval: 6); |
651 | bval = inb(ALI_REG(codec,ALI_SPDIF_CTRL + 1)); |
652 | R2 = bval & 0x1F; |
653 | if (R2 != R1) |
654 | R1 = R2; |
655 | else |
656 | break; |
657 | } |
658 | |
659 | if (count > 50000) { |
660 | dev_err(codec->card->dev, "ali_detect_spdif_rate: timeout!\n" ); |
661 | return; |
662 | } |
663 | |
664 | if (R2 >= 0x0b && R2 <= 0x0e) { |
665 | wval = inw(ALI_REG(codec, ALI_SPDIF_CTRL + 2)); |
666 | wval &= 0xe0f0; |
667 | wval |= (0x09 << 8) | 0x05; |
668 | outw(value: wval, ALI_REG(codec, ALI_SPDIF_CTRL + 2)); |
669 | |
670 | bval = inb(ALI_REG(codec, ALI_SPDIF_CS + 3)) & 0xf0; |
671 | outb(value: bval | 0x02, ALI_REG(codec, ALI_SPDIF_CS + 3)); |
672 | } else if (R2 == 0x12) { |
673 | wval = inw(ALI_REG(codec, ALI_SPDIF_CTRL + 2)); |
674 | wval &= 0xe0f0; |
675 | wval |= (0x0e << 8) | 0x08; |
676 | outw(value: wval, ALI_REG(codec, ALI_SPDIF_CTRL + 2)); |
677 | |
678 | bval = inb(ALI_REG(codec,ALI_SPDIF_CS + 3)) & 0xf0; |
679 | outb(value: bval | 0x03, ALI_REG(codec, ALI_SPDIF_CS + 3)); |
680 | } |
681 | } |
682 | |
683 | static unsigned int snd_ali_get_spdif_in_rate(struct snd_ali *codec) |
684 | { |
685 | u32 dwRate; |
686 | u8 bval; |
687 | |
688 | bval = inb(ALI_REG(codec, ALI_SPDIF_CTRL)); |
689 | bval &= 0x7f; |
690 | bval |= 0x40; |
691 | outb(value: bval, ALI_REG(codec, ALI_SPDIF_CTRL)); |
692 | |
693 | snd_ali_detect_spdif_rate(codec); |
694 | |
695 | bval = inb(ALI_REG(codec, ALI_SPDIF_CS + 3)); |
696 | bval &= 0x0f; |
697 | |
698 | switch (bval) { |
699 | case 0: dwRate = 44100; break; |
700 | case 1: dwRate = 48000; break; |
701 | case 2: dwRate = 32000; break; |
702 | default: dwRate = 0; break; |
703 | } |
704 | |
705 | return dwRate; |
706 | } |
707 | |
708 | static void snd_ali_enable_spdif_in(struct snd_ali *codec) |
709 | { |
710 | unsigned int dwVal; |
711 | |
712 | dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)); |
713 | dwVal |= ALI_SPDIF_IN_SUPPORT; |
714 | outl(value: dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); |
715 | |
716 | dwVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL)); |
717 | dwVal |= 0x02; |
718 | outb(value: dwVal, ALI_REG(codec, ALI_SPDIF_CTRL)); |
719 | |
720 | snd_ali_enable_special_channel(codec, ALI_SPDIF_IN_CHANNEL); |
721 | } |
722 | |
723 | static void snd_ali_disable_spdif_in(struct snd_ali *codec) |
724 | { |
725 | unsigned int dwVal; |
726 | |
727 | dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)); |
728 | dwVal &= ~ALI_SPDIF_IN_SUPPORT; |
729 | outl(value: dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); |
730 | |
731 | snd_ali_disable_special_channel(codec, ALI_SPDIF_IN_CHANNEL); |
732 | } |
733 | |
734 | |
735 | static void snd_ali_set_spdif_out_rate(struct snd_ali *codec, unsigned int rate) |
736 | { |
737 | unsigned char bVal; |
738 | unsigned int dwRate; |
739 | |
740 | switch (rate) { |
741 | case 32000: dwRate = 0x300; break; |
742 | case 48000: dwRate = 0x200; break; |
743 | default: dwRate = 0; break; |
744 | } |
745 | |
746 | bVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL)); |
747 | bVal &= (unsigned char)(~(1<<6)); |
748 | |
749 | bVal |= 0x80; /* select right */ |
750 | outb(value: bVal, ALI_REG(codec, ALI_SPDIF_CTRL)); |
751 | outb(value: dwRate | 0x20, ALI_REG(codec, ALI_SPDIF_CS + 2)); |
752 | |
753 | bVal &= ~0x80; /* select left */ |
754 | outb(value: bVal, ALI_REG(codec, ALI_SPDIF_CTRL)); |
755 | outw(value: rate | 0x10, ALI_REG(codec, ALI_SPDIF_CS + 2)); |
756 | } |
757 | |
758 | static void snd_ali_enable_spdif_out(struct snd_ali *codec) |
759 | { |
760 | unsigned short wVal; |
761 | unsigned char bVal; |
762 | struct pci_dev *pci_dev; |
763 | |
764 | pci_dev = codec->pci_m1533; |
765 | if (pci_dev == NULL) |
766 | return; |
767 | pci_read_config_byte(dev: pci_dev, where: 0x61, val: &bVal); |
768 | bVal |= 0x40; |
769 | pci_write_config_byte(dev: pci_dev, where: 0x61, val: bVal); |
770 | pci_read_config_byte(dev: pci_dev, where: 0x7d, val: &bVal); |
771 | bVal |= 0x01; |
772 | pci_write_config_byte(dev: pci_dev, where: 0x7d, val: bVal); |
773 | |
774 | pci_read_config_byte(dev: pci_dev, where: 0x7e, val: &bVal); |
775 | bVal &= (~0x20); |
776 | bVal |= 0x10; |
777 | pci_write_config_byte(dev: pci_dev, where: 0x7e, val: bVal); |
778 | |
779 | bVal = inb(ALI_REG(codec, ALI_SCTRL)); |
780 | outb(value: bVal | ALI_SPDIF_OUT_ENABLE, ALI_REG(codec, ALI_SCTRL)); |
781 | |
782 | bVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL)); |
783 | outb(value: bVal & ALI_SPDIF_OUT_CH_STATUS, ALI_REG(codec, ALI_SPDIF_CTRL)); |
784 | |
785 | wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL)); |
786 | wVal |= ALI_SPDIF_OUT_SEL_PCM; |
787 | outw(value: wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); |
788 | snd_ali_disable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL); |
789 | } |
790 | |
791 | static void snd_ali_enable_spdif_chnout(struct snd_ali *codec) |
792 | { |
793 | unsigned short wVal; |
794 | |
795 | wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL)); |
796 | wVal &= ~ALI_SPDIF_OUT_SEL_PCM; |
797 | outw(value: wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); |
798 | /* |
799 | wVal = inw(ALI_REG(codec, ALI_SPDIF_CS)); |
800 | if (flag & ALI_SPDIF_OUT_NON_PCM) |
801 | wVal |= 0x0002; |
802 | else |
803 | wVal &= (~0x0002); |
804 | outw(wVal, ALI_REG(codec, ALI_SPDIF_CS)); |
805 | */ |
806 | snd_ali_enable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL); |
807 | } |
808 | |
809 | static void snd_ali_disable_spdif_chnout(struct snd_ali *codec) |
810 | { |
811 | unsigned short wVal; |
812 | |
813 | wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL)); |
814 | wVal |= ALI_SPDIF_OUT_SEL_PCM; |
815 | outw(value: wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); |
816 | |
817 | snd_ali_enable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL); |
818 | } |
819 | |
820 | static void snd_ali_disable_spdif_out(struct snd_ali *codec) |
821 | { |
822 | unsigned char bVal; |
823 | |
824 | bVal = inb(ALI_REG(codec, ALI_SCTRL)); |
825 | outb(value: bVal & ~ALI_SPDIF_OUT_ENABLE, ALI_REG(codec, ALI_SCTRL)); |
826 | |
827 | snd_ali_disable_spdif_chnout(codec); |
828 | } |
829 | |
830 | static void snd_ali_update_ptr(struct snd_ali *codec, int channel) |
831 | { |
832 | struct snd_ali_voice *pvoice; |
833 | struct snd_ali_channel_control *pchregs; |
834 | unsigned int old, mask; |
835 | |
836 | pchregs = &(codec->chregs); |
837 | |
838 | /* check if interrupt occurred for channel */ |
839 | old = pchregs->data.aint; |
840 | mask = 1U << (channel & 0x1f); |
841 | |
842 | if (!(old & mask)) |
843 | return; |
844 | |
845 | pvoice = &codec->synth.voices[channel]; |
846 | |
847 | udelay(100); |
848 | spin_lock(lock: &codec->reg_lock); |
849 | |
850 | if (pvoice->pcm && pvoice->substream) { |
851 | /* pcm interrupt */ |
852 | if (pvoice->running) { |
853 | dev_dbg(codec->card->dev, |
854 | "update_ptr: cso=%4.4x cspf=%d.\n" , |
855 | inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2)), |
856 | (inl(ALI_REG(codec, ALI_CSPF)) & mask) == mask); |
857 | spin_unlock(lock: &codec->reg_lock); |
858 | snd_pcm_period_elapsed(substream: pvoice->substream); |
859 | spin_lock(lock: &codec->reg_lock); |
860 | } else { |
861 | snd_ali_stop_voice(codec, channel); |
862 | snd_ali_disable_voice_irq(codec, channel); |
863 | } |
864 | } else if (codec->synth.voices[channel].synth) { |
865 | /* synth interrupt */ |
866 | } else if (codec->synth.voices[channel].midi) { |
867 | /* midi interrupt */ |
868 | } else { |
869 | /* unknown interrupt */ |
870 | snd_ali_stop_voice(codec, channel); |
871 | snd_ali_disable_voice_irq(codec, channel); |
872 | } |
873 | spin_unlock(lock: &codec->reg_lock); |
874 | outl(value: mask,ALI_REG(codec,pchregs->regs.aint)); |
875 | pchregs->data.aint = old & (~mask); |
876 | } |
877 | |
878 | static irqreturn_t snd_ali_card_interrupt(int irq, void *dev_id) |
879 | { |
880 | struct snd_ali *codec = dev_id; |
881 | int channel; |
882 | unsigned int audio_int; |
883 | struct snd_ali_channel_control *pchregs; |
884 | |
885 | if (codec == NULL || !codec->hw_initialized) |
886 | return IRQ_NONE; |
887 | |
888 | audio_int = inl(ALI_REG(codec, ALI_MISCINT)); |
889 | if (!audio_int) |
890 | return IRQ_NONE; |
891 | |
892 | pchregs = &(codec->chregs); |
893 | if (audio_int & ADDRESS_IRQ) { |
894 | /* get interrupt status for all channels */ |
895 | pchregs->data.aint = inl(ALI_REG(codec, pchregs->regs.aint)); |
896 | for (channel = 0; channel < ALI_CHANNELS; channel++) |
897 | snd_ali_update_ptr(codec, channel); |
898 | } |
899 | outl(value: (TARGET_REACHED | MIXER_OVERFLOW | MIXER_UNDERFLOW), |
900 | ALI_REG(codec, ALI_MISCINT)); |
901 | |
902 | return IRQ_HANDLED; |
903 | } |
904 | |
905 | |
906 | static struct snd_ali_voice *snd_ali_alloc_voice(struct snd_ali * codec, |
907 | int type, int rec, int channel) |
908 | { |
909 | struct snd_ali_voice *pvoice; |
910 | int idx; |
911 | |
912 | dev_dbg(codec->card->dev, "alloc_voice: type=%d rec=%d\n" , type, rec); |
913 | |
914 | spin_lock_irq(lock: &codec->voice_alloc); |
915 | if (type == SNDRV_ALI_VOICE_TYPE_PCM) { |
916 | idx = channel > 0 ? snd_ali_alloc_pcm_channel(codec, channel) : |
917 | snd_ali_find_free_channel(codec,rec); |
918 | if (idx < 0) { |
919 | dev_err(codec->card->dev, "ali_alloc_voice: err.\n" ); |
920 | spin_unlock_irq(lock: &codec->voice_alloc); |
921 | return NULL; |
922 | } |
923 | pvoice = &(codec->synth.voices[idx]); |
924 | pvoice->codec = codec; |
925 | pvoice->use = 1; |
926 | pvoice->pcm = 1; |
927 | pvoice->mode = rec; |
928 | spin_unlock_irq(lock: &codec->voice_alloc); |
929 | return pvoice; |
930 | } |
931 | spin_unlock_irq(lock: &codec->voice_alloc); |
932 | return NULL; |
933 | } |
934 | |
935 | |
936 | static void snd_ali_free_voice(struct snd_ali * codec, |
937 | struct snd_ali_voice *pvoice) |
938 | { |
939 | void (*private_free)(void *); |
940 | void *private_data; |
941 | |
942 | dev_dbg(codec->card->dev, "free_voice: channel=%d\n" , pvoice->number); |
943 | if (!pvoice->use) |
944 | return; |
945 | snd_ali_clear_voices(codec, pvoice->number, pvoice->number); |
946 | spin_lock_irq(lock: &codec->voice_alloc); |
947 | private_free = pvoice->private_free; |
948 | private_data = pvoice->private_data; |
949 | pvoice->private_free = NULL; |
950 | pvoice->private_data = NULL; |
951 | if (pvoice->pcm) |
952 | snd_ali_free_channel_pcm(codec, channel: pvoice->number); |
953 | pvoice->use = pvoice->pcm = pvoice->synth = 0; |
954 | pvoice->substream = NULL; |
955 | spin_unlock_irq(lock: &codec->voice_alloc); |
956 | if (private_free) |
957 | private_free(private_data); |
958 | } |
959 | |
960 | |
961 | static void snd_ali_clear_voices(struct snd_ali *codec, |
962 | unsigned int v_min, |
963 | unsigned int v_max) |
964 | { |
965 | unsigned int i; |
966 | |
967 | for (i = v_min; i <= v_max; i++) { |
968 | snd_ali_stop_voice(codec, channel: i); |
969 | snd_ali_disable_voice_irq(codec, channel: i); |
970 | } |
971 | } |
972 | |
973 | static void snd_ali_write_voice_regs(struct snd_ali *codec, |
974 | unsigned int Channel, |
975 | unsigned int LBA, |
976 | unsigned int CSO, |
977 | unsigned int ESO, |
978 | unsigned int DELTA, |
979 | unsigned int ALPHA_FMS, |
980 | unsigned int GVSEL, |
981 | unsigned int PAN, |
982 | unsigned int VOL, |
983 | unsigned int CTRL, |
984 | unsigned int EC) |
985 | { |
986 | unsigned int ctlcmds[4]; |
987 | |
988 | outb(value: (unsigned char)(Channel & 0x001f), ALI_REG(codec, ALI_GC_CIR)); |
989 | |
990 | ctlcmds[0] = (CSO << 16) | (ALPHA_FMS & 0x0000ffff); |
991 | ctlcmds[1] = LBA; |
992 | ctlcmds[2] = (ESO << 16) | (DELTA & 0x0ffff); |
993 | ctlcmds[3] = (GVSEL << 31) | |
994 | ((PAN & 0x0000007f) << 24) | |
995 | ((VOL & 0x000000ff) << 16) | |
996 | ((CTRL & 0x0000000f) << 12) | |
997 | (EC & 0x00000fff); |
998 | |
999 | outb(value: Channel, ALI_REG(codec, ALI_GC_CIR)); |
1000 | |
1001 | outl(value: ctlcmds[0], ALI_REG(codec, ALI_CSO_ALPHA_FMS)); |
1002 | outl(value: ctlcmds[1], ALI_REG(codec, ALI_LBA)); |
1003 | outl(value: ctlcmds[2], ALI_REG(codec, ALI_ESO_DELTA)); |
1004 | outl(value: ctlcmds[3], ALI_REG(codec, ALI_GVSEL_PAN_VOC_CTRL_EC)); |
1005 | |
1006 | outl(value: 0x30000000, ALI_REG(codec, ALI_EBUF1)); /* Still Mode */ |
1007 | outl(value: 0x30000000, ALI_REG(codec, ALI_EBUF2)); /* Still Mode */ |
1008 | } |
1009 | |
1010 | static unsigned int snd_ali_convert_rate(unsigned int rate, int rec) |
1011 | { |
1012 | unsigned int delta; |
1013 | |
1014 | if (rate < 4000) |
1015 | rate = 4000; |
1016 | if (rate > 48000) |
1017 | rate = 48000; |
1018 | |
1019 | if (rec) { |
1020 | if (rate == 44100) |
1021 | delta = 0x116a; |
1022 | else if (rate == 8000) |
1023 | delta = 0x6000; |
1024 | else if (rate == 48000) |
1025 | delta = 0x1000; |
1026 | else |
1027 | delta = ((48000 << 12) / rate) & 0x0000ffff; |
1028 | } else { |
1029 | if (rate == 44100) |
1030 | delta = 0xeb3; |
1031 | else if (rate == 8000) |
1032 | delta = 0x2ab; |
1033 | else if (rate == 48000) |
1034 | delta = 0x1000; |
1035 | else |
1036 | delta = (((rate << 12) + rate) / 48000) & 0x0000ffff; |
1037 | } |
1038 | |
1039 | return delta; |
1040 | } |
1041 | |
1042 | static unsigned int snd_ali_control_mode(struct snd_pcm_substream *substream) |
1043 | { |
1044 | unsigned int CTRL; |
1045 | struct snd_pcm_runtime *runtime = substream->runtime; |
1046 | |
1047 | /* set ctrl mode |
1048 | CTRL default: 8-bit (unsigned) mono, loop mode enabled |
1049 | */ |
1050 | CTRL = 0x00000001; |
1051 | if (snd_pcm_format_width(format: runtime->format) == 16) |
1052 | CTRL |= 0x00000008; /* 16-bit data */ |
1053 | if (!snd_pcm_format_unsigned(format: runtime->format)) |
1054 | CTRL |= 0x00000002; /* signed data */ |
1055 | if (runtime->channels > 1) |
1056 | CTRL |= 0x00000004; /* stereo data */ |
1057 | return CTRL; |
1058 | } |
1059 | |
1060 | /* |
1061 | * PCM part |
1062 | */ |
1063 | |
1064 | static int snd_ali_trigger(struct snd_pcm_substream *substream, |
1065 | int cmd) |
1066 | |
1067 | { |
1068 | struct snd_ali *codec = snd_pcm_substream_chip(substream); |
1069 | struct snd_pcm_substream *s; |
1070 | unsigned int what, whati; |
1071 | struct snd_ali_voice *pvoice, *evoice; |
1072 | unsigned int val; |
1073 | int do_start; |
1074 | |
1075 | switch (cmd) { |
1076 | case SNDRV_PCM_TRIGGER_START: |
1077 | case SNDRV_PCM_TRIGGER_RESUME: |
1078 | do_start = 1; |
1079 | break; |
1080 | case SNDRV_PCM_TRIGGER_STOP: |
1081 | case SNDRV_PCM_TRIGGER_SUSPEND: |
1082 | do_start = 0; |
1083 | break; |
1084 | default: |
1085 | return -EINVAL; |
1086 | } |
1087 | |
1088 | what = whati = 0; |
1089 | snd_pcm_group_for_each_entry(s, substream) { |
1090 | if ((struct snd_ali *) snd_pcm_substream_chip(s) == codec) { |
1091 | pvoice = s->runtime->private_data; |
1092 | evoice = pvoice->extra; |
1093 | what |= 1 << (pvoice->number & 0x1f); |
1094 | if (evoice == NULL) |
1095 | whati |= 1 << (pvoice->number & 0x1f); |
1096 | else { |
1097 | whati |= 1 << (evoice->number & 0x1f); |
1098 | what |= 1 << (evoice->number & 0x1f); |
1099 | } |
1100 | if (do_start) { |
1101 | pvoice->running = 1; |
1102 | if (evoice != NULL) |
1103 | evoice->running = 1; |
1104 | } else { |
1105 | pvoice->running = 0; |
1106 | if (evoice != NULL) |
1107 | evoice->running = 0; |
1108 | } |
1109 | snd_pcm_trigger_done(substream: s, master: substream); |
1110 | } |
1111 | } |
1112 | spin_lock(lock: &codec->reg_lock); |
1113 | if (!do_start) |
1114 | outl(value: what, ALI_REG(codec, ALI_STOP)); |
1115 | val = inl(ALI_REG(codec, ALI_AINTEN)); |
1116 | if (do_start) |
1117 | val |= whati; |
1118 | else |
1119 | val &= ~whati; |
1120 | outl(value: val, ALI_REG(codec, ALI_AINTEN)); |
1121 | if (do_start) |
1122 | outl(value: what, ALI_REG(codec, ALI_START)); |
1123 | dev_dbg(codec->card->dev, "trigger: what=%xh whati=%xh\n" , what, whati); |
1124 | spin_unlock(lock: &codec->reg_lock); |
1125 | |
1126 | return 0; |
1127 | } |
1128 | |
1129 | static int snd_ali_playback_hw_params(struct snd_pcm_substream *substream, |
1130 | struct snd_pcm_hw_params *hw_params) |
1131 | { |
1132 | struct snd_ali *codec = snd_pcm_substream_chip(substream); |
1133 | struct snd_pcm_runtime *runtime = substream->runtime; |
1134 | struct snd_ali_voice *pvoice = runtime->private_data; |
1135 | struct snd_ali_voice *evoice = pvoice->extra; |
1136 | |
1137 | /* voice management */ |
1138 | |
1139 | if (params_buffer_size(p: hw_params) / 2 != |
1140 | params_period_size(p: hw_params)) { |
1141 | if (!evoice) { |
1142 | evoice = snd_ali_alloc_voice(codec, |
1143 | SNDRV_ALI_VOICE_TYPE_PCM, |
1144 | rec: 0, channel: -1); |
1145 | if (!evoice) |
1146 | return -ENOMEM; |
1147 | pvoice->extra = evoice; |
1148 | evoice->substream = substream; |
1149 | } |
1150 | } else { |
1151 | if (evoice) { |
1152 | snd_ali_free_voice(codec, pvoice: evoice); |
1153 | pvoice->extra = evoice = NULL; |
1154 | } |
1155 | } |
1156 | |
1157 | return 0; |
1158 | } |
1159 | |
1160 | static int snd_ali_playback_hw_free(struct snd_pcm_substream *substream) |
1161 | { |
1162 | struct snd_ali *codec = snd_pcm_substream_chip(substream); |
1163 | struct snd_pcm_runtime *runtime = substream->runtime; |
1164 | struct snd_ali_voice *pvoice = runtime->private_data; |
1165 | struct snd_ali_voice *evoice = pvoice ? pvoice->extra : NULL; |
1166 | |
1167 | if (evoice) { |
1168 | snd_ali_free_voice(codec, pvoice: evoice); |
1169 | pvoice->extra = NULL; |
1170 | } |
1171 | return 0; |
1172 | } |
1173 | |
1174 | static int snd_ali_playback_prepare(struct snd_pcm_substream *substream) |
1175 | { |
1176 | struct snd_ali *codec = snd_pcm_substream_chip(substream); |
1177 | struct snd_pcm_runtime *runtime = substream->runtime; |
1178 | struct snd_ali_voice *pvoice = runtime->private_data; |
1179 | struct snd_ali_voice *evoice = pvoice->extra; |
1180 | |
1181 | unsigned int LBA; |
1182 | unsigned int Delta; |
1183 | unsigned int ESO; |
1184 | unsigned int CTRL; |
1185 | unsigned int GVSEL; |
1186 | unsigned int PAN; |
1187 | unsigned int VOL; |
1188 | unsigned int EC; |
1189 | |
1190 | dev_dbg(codec->card->dev, "playback_prepare ...\n" ); |
1191 | |
1192 | spin_lock_irq(lock: &codec->reg_lock); |
1193 | |
1194 | /* set Delta (rate) value */ |
1195 | Delta = snd_ali_convert_rate(rate: runtime->rate, rec: 0); |
1196 | |
1197 | if (pvoice->number == ALI_SPDIF_IN_CHANNEL || |
1198 | pvoice->number == ALI_PCM_IN_CHANNEL) |
1199 | snd_ali_disable_special_channel(codec, channel: pvoice->number); |
1200 | else if (codec->spdif_support && |
1201 | (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) & |
1202 | ALI_SPDIF_OUT_CH_ENABLE) |
1203 | && pvoice->number == ALI_SPDIF_OUT_CHANNEL) { |
1204 | snd_ali_set_spdif_out_rate(codec, rate: runtime->rate); |
1205 | Delta = 0x1000; |
1206 | } |
1207 | |
1208 | /* set Loop Back Address */ |
1209 | LBA = runtime->dma_addr; |
1210 | |
1211 | /* set interrupt count size */ |
1212 | pvoice->count = runtime->period_size; |
1213 | |
1214 | /* set target ESO for channel */ |
1215 | pvoice->eso = runtime->buffer_size; |
1216 | |
1217 | dev_dbg(codec->card->dev, "playback_prepare: eso=%xh count=%xh\n" , |
1218 | pvoice->eso, pvoice->count); |
1219 | |
1220 | /* set ESO to capture first MIDLP interrupt */ |
1221 | ESO = pvoice->eso -1; |
1222 | /* set ctrl mode */ |
1223 | CTRL = snd_ali_control_mode(substream); |
1224 | |
1225 | GVSEL = 1; |
1226 | PAN = 0; |
1227 | VOL = 0; |
1228 | EC = 0; |
1229 | dev_dbg(codec->card->dev, "playback_prepare:\n" ); |
1230 | dev_dbg(codec->card->dev, |
1231 | "ch=%d, Rate=%d Delta=%xh,GVSEL=%xh,PAN=%xh,CTRL=%xh\n" , |
1232 | pvoice->number,runtime->rate,Delta,GVSEL,PAN,CTRL); |
1233 | snd_ali_write_voice_regs(codec, |
1234 | Channel: pvoice->number, |
1235 | LBA, |
1236 | CSO: 0, /* cso */ |
1237 | ESO, |
1238 | DELTA: Delta, |
1239 | ALPHA_FMS: 0, /* alpha */ |
1240 | GVSEL, |
1241 | PAN, |
1242 | VOL, |
1243 | CTRL, |
1244 | EC); |
1245 | if (evoice) { |
1246 | evoice->count = pvoice->count; |
1247 | evoice->eso = pvoice->count << 1; |
1248 | ESO = evoice->eso - 1; |
1249 | snd_ali_write_voice_regs(codec, |
1250 | Channel: evoice->number, |
1251 | LBA, |
1252 | CSO: 0, /* cso */ |
1253 | ESO, |
1254 | DELTA: Delta, |
1255 | ALPHA_FMS: 0, /* alpha */ |
1256 | GVSEL, |
1257 | PAN: 0x7f, |
1258 | VOL: 0x3ff, |
1259 | CTRL, |
1260 | EC); |
1261 | } |
1262 | spin_unlock_irq(lock: &codec->reg_lock); |
1263 | return 0; |
1264 | } |
1265 | |
1266 | |
1267 | static int snd_ali_prepare(struct snd_pcm_substream *substream) |
1268 | { |
1269 | struct snd_ali *codec = snd_pcm_substream_chip(substream); |
1270 | struct snd_pcm_runtime *runtime = substream->runtime; |
1271 | struct snd_ali_voice *pvoice = runtime->private_data; |
1272 | unsigned int LBA; |
1273 | unsigned int Delta; |
1274 | unsigned int ESO; |
1275 | unsigned int CTRL; |
1276 | unsigned int GVSEL; |
1277 | unsigned int PAN; |
1278 | unsigned int VOL; |
1279 | unsigned int EC; |
1280 | u8 bValue; |
1281 | |
1282 | spin_lock_irq(lock: &codec->reg_lock); |
1283 | |
1284 | dev_dbg(codec->card->dev, "ali_prepare...\n" ); |
1285 | |
1286 | snd_ali_enable_special_channel(codec,channel: pvoice->number); |
1287 | |
1288 | Delta = (pvoice->number == ALI_MODEM_IN_CHANNEL || |
1289 | pvoice->number == ALI_MODEM_OUT_CHANNEL) ? |
1290 | 0x1000 : snd_ali_convert_rate(rate: runtime->rate, rec: pvoice->mode); |
1291 | |
1292 | /* Prepare capture intr channel */ |
1293 | if (pvoice->number == ALI_SPDIF_IN_CHANNEL) { |
1294 | |
1295 | unsigned int rate; |
1296 | |
1297 | spin_unlock_irq(lock: &codec->reg_lock); |
1298 | if (codec->revision != ALI_5451_V02) |
1299 | return -1; |
1300 | |
1301 | rate = snd_ali_get_spdif_in_rate(codec); |
1302 | if (rate == 0) { |
1303 | dev_warn(codec->card->dev, |
1304 | "ali_capture_prepare: spdif rate detect err!\n" ); |
1305 | rate = 48000; |
1306 | } |
1307 | spin_lock_irq(lock: &codec->reg_lock); |
1308 | bValue = inb(ALI_REG(codec,ALI_SPDIF_CTRL)); |
1309 | if (bValue & 0x10) { |
1310 | outb(value: bValue,ALI_REG(codec,ALI_SPDIF_CTRL)); |
1311 | dev_warn(codec->card->dev, |
1312 | "clear SPDIF parity error flag.\n" ); |
1313 | } |
1314 | |
1315 | if (rate != 48000) |
1316 | Delta = ((rate << 12) / runtime->rate) & 0x00ffff; |
1317 | } |
1318 | |
1319 | /* set target ESO for channel */ |
1320 | pvoice->eso = runtime->buffer_size; |
1321 | |
1322 | /* set interrupt count size */ |
1323 | pvoice->count = runtime->period_size; |
1324 | |
1325 | /* set Loop Back Address */ |
1326 | LBA = runtime->dma_addr; |
1327 | |
1328 | /* set ESO to capture first MIDLP interrupt */ |
1329 | ESO = pvoice->eso - 1; |
1330 | CTRL = snd_ali_control_mode(substream); |
1331 | GVSEL = 0; |
1332 | PAN = 0x00; |
1333 | VOL = 0x00; |
1334 | EC = 0; |
1335 | |
1336 | snd_ali_write_voice_regs( codec, |
1337 | Channel: pvoice->number, |
1338 | LBA, |
1339 | CSO: 0, /* cso */ |
1340 | ESO, |
1341 | DELTA: Delta, |
1342 | ALPHA_FMS: 0, /* alpha */ |
1343 | GVSEL, |
1344 | PAN, |
1345 | VOL, |
1346 | CTRL, |
1347 | EC); |
1348 | |
1349 | spin_unlock_irq(lock: &codec->reg_lock); |
1350 | |
1351 | return 0; |
1352 | } |
1353 | |
1354 | |
1355 | static snd_pcm_uframes_t |
1356 | snd_ali_playback_pointer(struct snd_pcm_substream *substream) |
1357 | { |
1358 | struct snd_ali *codec = snd_pcm_substream_chip(substream); |
1359 | struct snd_pcm_runtime *runtime = substream->runtime; |
1360 | struct snd_ali_voice *pvoice = runtime->private_data; |
1361 | unsigned int cso; |
1362 | |
1363 | spin_lock(lock: &codec->reg_lock); |
1364 | if (!pvoice->running) { |
1365 | spin_unlock(lock: &codec->reg_lock); |
1366 | return 0; |
1367 | } |
1368 | outb(value: pvoice->number, ALI_REG(codec, ALI_GC_CIR)); |
1369 | cso = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2)); |
1370 | spin_unlock(lock: &codec->reg_lock); |
1371 | dev_dbg(codec->card->dev, "playback pointer returned cso=%xh.\n" , cso); |
1372 | |
1373 | cso %= runtime->buffer_size; |
1374 | return cso; |
1375 | } |
1376 | |
1377 | |
1378 | static snd_pcm_uframes_t snd_ali_pointer(struct snd_pcm_substream *substream) |
1379 | { |
1380 | struct snd_ali *codec = snd_pcm_substream_chip(substream); |
1381 | struct snd_pcm_runtime *runtime = substream->runtime; |
1382 | struct snd_ali_voice *pvoice = runtime->private_data; |
1383 | unsigned int cso; |
1384 | |
1385 | spin_lock(lock: &codec->reg_lock); |
1386 | if (!pvoice->running) { |
1387 | spin_unlock(lock: &codec->reg_lock); |
1388 | return 0; |
1389 | } |
1390 | outb(value: pvoice->number, ALI_REG(codec, ALI_GC_CIR)); |
1391 | cso = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2)); |
1392 | spin_unlock(lock: &codec->reg_lock); |
1393 | |
1394 | cso %= runtime->buffer_size; |
1395 | return cso; |
1396 | } |
1397 | |
1398 | static const struct snd_pcm_hardware snd_ali_playback = |
1399 | { |
1400 | .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | |
1401 | SNDRV_PCM_INFO_BLOCK_TRANSFER | |
1402 | SNDRV_PCM_INFO_MMAP_VALID | |
1403 | SNDRV_PCM_INFO_RESUME | |
1404 | SNDRV_PCM_INFO_SYNC_START), |
1405 | .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | |
1406 | SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE), |
1407 | .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, |
1408 | .rate_min = 4000, |
1409 | .rate_max = 48000, |
1410 | .channels_min = 1, |
1411 | .channels_max = 2, |
1412 | .buffer_bytes_max = (256*1024), |
1413 | .period_bytes_min = 64, |
1414 | .period_bytes_max = (256*1024), |
1415 | .periods_min = 1, |
1416 | .periods_max = 1024, |
1417 | .fifo_size = 0, |
1418 | }; |
1419 | |
1420 | /* |
1421 | * Capture support device description |
1422 | */ |
1423 | |
1424 | static const struct snd_pcm_hardware snd_ali_capture = |
1425 | { |
1426 | .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | |
1427 | SNDRV_PCM_INFO_BLOCK_TRANSFER | |
1428 | SNDRV_PCM_INFO_MMAP_VALID | |
1429 | SNDRV_PCM_INFO_RESUME | |
1430 | SNDRV_PCM_INFO_SYNC_START), |
1431 | .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | |
1432 | SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE), |
1433 | .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, |
1434 | .rate_min = 4000, |
1435 | .rate_max = 48000, |
1436 | .channels_min = 1, |
1437 | .channels_max = 2, |
1438 | .buffer_bytes_max = (128*1024), |
1439 | .period_bytes_min = 64, |
1440 | .period_bytes_max = (128*1024), |
1441 | .periods_min = 1, |
1442 | .periods_max = 1024, |
1443 | .fifo_size = 0, |
1444 | }; |
1445 | |
1446 | static void snd_ali_pcm_free_substream(struct snd_pcm_runtime *runtime) |
1447 | { |
1448 | struct snd_ali_voice *pvoice = runtime->private_data; |
1449 | |
1450 | if (pvoice) |
1451 | snd_ali_free_voice(codec: pvoice->codec, pvoice); |
1452 | } |
1453 | |
1454 | static int snd_ali_open(struct snd_pcm_substream *substream, int rec, |
1455 | int channel, const struct snd_pcm_hardware *phw) |
1456 | { |
1457 | struct snd_ali *codec = snd_pcm_substream_chip(substream); |
1458 | struct snd_pcm_runtime *runtime = substream->runtime; |
1459 | struct snd_ali_voice *pvoice; |
1460 | |
1461 | pvoice = snd_ali_alloc_voice(codec, SNDRV_ALI_VOICE_TYPE_PCM, rec, |
1462 | channel); |
1463 | if (!pvoice) |
1464 | return -EAGAIN; |
1465 | |
1466 | pvoice->substream = substream; |
1467 | runtime->private_data = pvoice; |
1468 | runtime->private_free = snd_ali_pcm_free_substream; |
1469 | |
1470 | runtime->hw = *phw; |
1471 | snd_pcm_set_sync(substream); |
1472 | snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, |
1473 | min: 0, max: 64*1024); |
1474 | return 0; |
1475 | } |
1476 | |
1477 | static int snd_ali_playback_open(struct snd_pcm_substream *substream) |
1478 | { |
1479 | return snd_ali_open(substream, rec: 0, channel: -1, phw: &snd_ali_playback); |
1480 | } |
1481 | |
1482 | static int snd_ali_capture_open(struct snd_pcm_substream *substream) |
1483 | { |
1484 | return snd_ali_open(substream, rec: 1, channel: -1, phw: &snd_ali_capture); |
1485 | } |
1486 | |
1487 | static int snd_ali_playback_close(struct snd_pcm_substream *substream) |
1488 | { |
1489 | return 0; |
1490 | } |
1491 | |
1492 | static int snd_ali_close(struct snd_pcm_substream *substream) |
1493 | { |
1494 | struct snd_ali *codec = snd_pcm_substream_chip(substream); |
1495 | struct snd_ali_voice *pvoice = substream->runtime->private_data; |
1496 | |
1497 | snd_ali_disable_special_channel(codec,channel: pvoice->number); |
1498 | |
1499 | return 0; |
1500 | } |
1501 | |
1502 | static const struct snd_pcm_ops snd_ali_playback_ops = { |
1503 | .open = snd_ali_playback_open, |
1504 | .close = snd_ali_playback_close, |
1505 | .hw_params = snd_ali_playback_hw_params, |
1506 | .hw_free = snd_ali_playback_hw_free, |
1507 | .prepare = snd_ali_playback_prepare, |
1508 | .trigger = snd_ali_trigger, |
1509 | .pointer = snd_ali_playback_pointer, |
1510 | }; |
1511 | |
1512 | static const struct snd_pcm_ops snd_ali_capture_ops = { |
1513 | .open = snd_ali_capture_open, |
1514 | .close = snd_ali_close, |
1515 | .prepare = snd_ali_prepare, |
1516 | .trigger = snd_ali_trigger, |
1517 | .pointer = snd_ali_pointer, |
1518 | }; |
1519 | |
1520 | /* |
1521 | * Modem PCM |
1522 | */ |
1523 | |
1524 | static int snd_ali_modem_hw_params(struct snd_pcm_substream *substream, |
1525 | struct snd_pcm_hw_params *hw_params) |
1526 | { |
1527 | struct snd_ali *chip = snd_pcm_substream_chip(substream); |
1528 | unsigned int modem_num = chip->num_of_codecs - 1; |
1529 | snd_ac97_write(ac97: chip->ac97[modem_num], AC97_LINE1_RATE, |
1530 | value: params_rate(p: hw_params)); |
1531 | snd_ac97_write(ac97: chip->ac97[modem_num], AC97_LINE1_LEVEL, value: 0); |
1532 | return 0; |
1533 | } |
1534 | |
1535 | static const struct snd_pcm_hardware snd_ali_modem = |
1536 | { |
1537 | .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | |
1538 | SNDRV_PCM_INFO_BLOCK_TRANSFER | |
1539 | SNDRV_PCM_INFO_MMAP_VALID | |
1540 | SNDRV_PCM_INFO_RESUME | |
1541 | SNDRV_PCM_INFO_SYNC_START), |
1542 | .formats = SNDRV_PCM_FMTBIT_S16_LE, |
1543 | .rates = (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000 | |
1544 | SNDRV_PCM_RATE_16000), |
1545 | .rate_min = 8000, |
1546 | .rate_max = 16000, |
1547 | .channels_min = 1, |
1548 | .channels_max = 1, |
1549 | .buffer_bytes_max = (256*1024), |
1550 | .period_bytes_min = 64, |
1551 | .period_bytes_max = (256*1024), |
1552 | .periods_min = 1, |
1553 | .periods_max = 1024, |
1554 | .fifo_size = 0, |
1555 | }; |
1556 | |
1557 | static int snd_ali_modem_open(struct snd_pcm_substream *substream, int rec, |
1558 | int channel) |
1559 | { |
1560 | static const unsigned int rates[] = {8000, 9600, 12000, 16000}; |
1561 | static const struct snd_pcm_hw_constraint_list hw_constraint_rates = { |
1562 | .count = ARRAY_SIZE(rates), |
1563 | .list = rates, |
1564 | .mask = 0, |
1565 | }; |
1566 | int err = snd_ali_open(substream, rec, channel, phw: &snd_ali_modem); |
1567 | |
1568 | if (err) |
1569 | return err; |
1570 | return snd_pcm_hw_constraint_list(runtime: substream->runtime, cond: 0, |
1571 | SNDRV_PCM_HW_PARAM_RATE, l: &hw_constraint_rates); |
1572 | } |
1573 | |
1574 | static int snd_ali_modem_playback_open(struct snd_pcm_substream *substream) |
1575 | { |
1576 | return snd_ali_modem_open(substream, rec: 0, ALI_MODEM_OUT_CHANNEL); |
1577 | } |
1578 | |
1579 | static int snd_ali_modem_capture_open(struct snd_pcm_substream *substream) |
1580 | { |
1581 | return snd_ali_modem_open(substream, rec: 1, ALI_MODEM_IN_CHANNEL); |
1582 | } |
1583 | |
1584 | static const struct snd_pcm_ops snd_ali_modem_playback_ops = { |
1585 | .open = snd_ali_modem_playback_open, |
1586 | .close = snd_ali_close, |
1587 | .hw_params = snd_ali_modem_hw_params, |
1588 | .prepare = snd_ali_prepare, |
1589 | .trigger = snd_ali_trigger, |
1590 | .pointer = snd_ali_pointer, |
1591 | }; |
1592 | |
1593 | static const struct snd_pcm_ops snd_ali_modem_capture_ops = { |
1594 | .open = snd_ali_modem_capture_open, |
1595 | .close = snd_ali_close, |
1596 | .hw_params = snd_ali_modem_hw_params, |
1597 | .prepare = snd_ali_prepare, |
1598 | .trigger = snd_ali_trigger, |
1599 | .pointer = snd_ali_pointer, |
1600 | }; |
1601 | |
1602 | |
1603 | struct ali_pcm_description { |
1604 | char *name; |
1605 | unsigned int playback_num; |
1606 | unsigned int capture_num; |
1607 | const struct snd_pcm_ops *playback_ops; |
1608 | const struct snd_pcm_ops *capture_ops; |
1609 | unsigned short class; |
1610 | }; |
1611 | |
1612 | |
1613 | static void snd_ali_pcm_free(struct snd_pcm *pcm) |
1614 | { |
1615 | struct snd_ali *codec = pcm->private_data; |
1616 | codec->pcm[pcm->device] = NULL; |
1617 | } |
1618 | |
1619 | |
1620 | static int snd_ali_pcm(struct snd_ali *codec, int device, |
1621 | struct ali_pcm_description *desc) |
1622 | { |
1623 | struct snd_pcm *pcm; |
1624 | int err; |
1625 | |
1626 | err = snd_pcm_new(card: codec->card, id: desc->name, device, |
1627 | playback_count: desc->playback_num, capture_count: desc->capture_num, rpcm: &pcm); |
1628 | if (err < 0) { |
1629 | dev_err(codec->card->dev, |
1630 | "snd_ali_pcm: err called snd_pcm_new.\n" ); |
1631 | return err; |
1632 | } |
1633 | pcm->private_data = codec; |
1634 | pcm->private_free = snd_ali_pcm_free; |
1635 | if (desc->playback_ops) |
1636 | snd_pcm_set_ops(pcm, direction: SNDRV_PCM_STREAM_PLAYBACK, |
1637 | ops: desc->playback_ops); |
1638 | if (desc->capture_ops) |
1639 | snd_pcm_set_ops(pcm, direction: SNDRV_PCM_STREAM_CAPTURE, |
1640 | ops: desc->capture_ops); |
1641 | |
1642 | snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, |
1643 | data: &codec->pci->dev, size: 64*1024, max: 128*1024); |
1644 | |
1645 | pcm->info_flags = 0; |
1646 | pcm->dev_class = desc->class; |
1647 | pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; |
1648 | strcpy(p: pcm->name, q: desc->name); |
1649 | codec->pcm[0] = pcm; |
1650 | return 0; |
1651 | } |
1652 | |
1653 | static struct ali_pcm_description ali_pcms[] = { |
1654 | { .name = "ALI 5451" , |
1655 | .playback_num = ALI_CHANNELS, |
1656 | .capture_num = 1, |
1657 | .playback_ops = &snd_ali_playback_ops, |
1658 | .capture_ops = &snd_ali_capture_ops |
1659 | }, |
1660 | { .name = "ALI 5451 modem" , |
1661 | .playback_num = 1, |
1662 | .capture_num = 1, |
1663 | .playback_ops = &snd_ali_modem_playback_ops, |
1664 | .capture_ops = &snd_ali_modem_capture_ops, |
1665 | .class = SNDRV_PCM_CLASS_MODEM |
1666 | } |
1667 | }; |
1668 | |
1669 | static int snd_ali_build_pcms(struct snd_ali *codec) |
1670 | { |
1671 | int i, err; |
1672 | for (i = 0; i < codec->num_of_codecs && i < ARRAY_SIZE(ali_pcms); i++) { |
1673 | err = snd_ali_pcm(codec, device: i, desc: &ali_pcms[i]); |
1674 | if (err < 0) |
1675 | return err; |
1676 | } |
1677 | return 0; |
1678 | } |
1679 | |
1680 | |
1681 | #define ALI5451_SPDIF(xname, xindex, value) \ |
1682 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\ |
1683 | .info = snd_ali5451_spdif_info, .get = snd_ali5451_spdif_get, \ |
1684 | .put = snd_ali5451_spdif_put, .private_value = value} |
1685 | |
1686 | #define snd_ali5451_spdif_info snd_ctl_boolean_mono_info |
1687 | |
1688 | static int snd_ali5451_spdif_get(struct snd_kcontrol *kcontrol, |
1689 | struct snd_ctl_elem_value *ucontrol) |
1690 | { |
1691 | struct snd_ali *codec = kcontrol->private_data; |
1692 | unsigned int spdif_enable; |
1693 | |
1694 | spdif_enable = ucontrol->value.integer.value[0] ? 1 : 0; |
1695 | |
1696 | spin_lock_irq(lock: &codec->reg_lock); |
1697 | switch (kcontrol->private_value) { |
1698 | case 0: |
1699 | spdif_enable = (codec->spdif_mask & 0x02) ? 1 : 0; |
1700 | break; |
1701 | case 1: |
1702 | spdif_enable = ((codec->spdif_mask & 0x02) && |
1703 | (codec->spdif_mask & 0x04)) ? 1 : 0; |
1704 | break; |
1705 | case 2: |
1706 | spdif_enable = (codec->spdif_mask & 0x01) ? 1 : 0; |
1707 | break; |
1708 | default: |
1709 | break; |
1710 | } |
1711 | ucontrol->value.integer.value[0] = spdif_enable; |
1712 | spin_unlock_irq(lock: &codec->reg_lock); |
1713 | return 0; |
1714 | } |
1715 | |
1716 | static int snd_ali5451_spdif_put(struct snd_kcontrol *kcontrol, |
1717 | struct snd_ctl_elem_value *ucontrol) |
1718 | { |
1719 | struct snd_ali *codec = kcontrol->private_data; |
1720 | unsigned int change = 0, spdif_enable = 0; |
1721 | |
1722 | spdif_enable = ucontrol->value.integer.value[0] ? 1 : 0; |
1723 | |
1724 | spin_lock_irq(lock: &codec->reg_lock); |
1725 | switch (kcontrol->private_value) { |
1726 | case 0: |
1727 | change = (codec->spdif_mask & 0x02) ? 1 : 0; |
1728 | change = change ^ spdif_enable; |
1729 | if (change) { |
1730 | if (spdif_enable) { |
1731 | codec->spdif_mask |= 0x02; |
1732 | snd_ali_enable_spdif_out(codec); |
1733 | } else { |
1734 | codec->spdif_mask &= ~(0x02); |
1735 | codec->spdif_mask &= ~(0x04); |
1736 | snd_ali_disable_spdif_out(codec); |
1737 | } |
1738 | } |
1739 | break; |
1740 | case 1: |
1741 | change = (codec->spdif_mask & 0x04) ? 1 : 0; |
1742 | change = change ^ spdif_enable; |
1743 | if (change && (codec->spdif_mask & 0x02)) { |
1744 | if (spdif_enable) { |
1745 | codec->spdif_mask |= 0x04; |
1746 | snd_ali_enable_spdif_chnout(codec); |
1747 | } else { |
1748 | codec->spdif_mask &= ~(0x04); |
1749 | snd_ali_disable_spdif_chnout(codec); |
1750 | } |
1751 | } |
1752 | break; |
1753 | case 2: |
1754 | change = (codec->spdif_mask & 0x01) ? 1 : 0; |
1755 | change = change ^ spdif_enable; |
1756 | if (change) { |
1757 | if (spdif_enable) { |
1758 | codec->spdif_mask |= 0x01; |
1759 | snd_ali_enable_spdif_in(codec); |
1760 | } else { |
1761 | codec->spdif_mask &= ~(0x01); |
1762 | snd_ali_disable_spdif_in(codec); |
1763 | } |
1764 | } |
1765 | break; |
1766 | default: |
1767 | break; |
1768 | } |
1769 | spin_unlock_irq(lock: &codec->reg_lock); |
1770 | |
1771 | return change; |
1772 | } |
1773 | |
1774 | static const struct snd_kcontrol_new snd_ali5451_mixer_spdif[] = { |
1775 | /* spdif aplayback switch */ |
1776 | /* FIXME: "IEC958 Playback Switch" may conflict with one on ac97_codec */ |
1777 | ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("Output " ,NONE,SWITCH), 0, 0), |
1778 | /* spdif out to spdif channel */ |
1779 | ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("Channel Output " ,NONE,SWITCH), 0, 1), |
1780 | /* spdif in from spdif channel */ |
1781 | ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("" ,CAPTURE,SWITCH), 0, 2) |
1782 | }; |
1783 | |
1784 | static int snd_ali_mixer(struct snd_ali *codec) |
1785 | { |
1786 | struct snd_ac97_template ac97; |
1787 | unsigned int idx; |
1788 | int i, err; |
1789 | static const struct snd_ac97_bus_ops ops = { |
1790 | .write = snd_ali_codec_write, |
1791 | .read = snd_ali_codec_read, |
1792 | }; |
1793 | |
1794 | err = snd_ac97_bus(card: codec->card, num: 0, ops: &ops, private_data: codec, rbus: &codec->ac97_bus); |
1795 | if (err < 0) |
1796 | return err; |
1797 | |
1798 | memset(&ac97, 0, sizeof(ac97)); |
1799 | ac97.private_data = codec; |
1800 | |
1801 | for (i = 0; i < codec->num_of_codecs; i++) { |
1802 | ac97.num = i; |
1803 | err = snd_ac97_mixer(bus: codec->ac97_bus, template: &ac97, rac97: &codec->ac97[i]); |
1804 | if (err < 0) { |
1805 | dev_err(codec->card->dev, |
1806 | "ali mixer %d creating error.\n" , i); |
1807 | if (i == 0) |
1808 | return err; |
1809 | codec->num_of_codecs = 1; |
1810 | break; |
1811 | } |
1812 | } |
1813 | |
1814 | if (codec->spdif_support) { |
1815 | for (idx = 0; idx < ARRAY_SIZE(snd_ali5451_mixer_spdif); idx++) { |
1816 | err = snd_ctl_add(card: codec->card, |
1817 | kcontrol: snd_ctl_new1(kcontrolnew: &snd_ali5451_mixer_spdif[idx], private_data: codec)); |
1818 | if (err < 0) |
1819 | return err; |
1820 | } |
1821 | } |
1822 | return 0; |
1823 | } |
1824 | |
1825 | static int ali_suspend(struct device *dev) |
1826 | { |
1827 | struct snd_card *card = dev_get_drvdata(dev); |
1828 | struct snd_ali *chip = card->private_data; |
1829 | struct snd_ali_image *im = &chip->image; |
1830 | int i, j; |
1831 | |
1832 | snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); |
1833 | for (i = 0; i < chip->num_of_codecs; i++) |
1834 | snd_ac97_suspend(ac97: chip->ac97[i]); |
1835 | |
1836 | spin_lock_irq(lock: &chip->reg_lock); |
1837 | |
1838 | im->regs[ALI_MISCINT >> 2] = inl(ALI_REG(chip, ALI_MISCINT)); |
1839 | /* im->regs[ALI_START >> 2] = inl(ALI_REG(chip, ALI_START)); */ |
1840 | im->regs[ALI_STOP >> 2] = inl(ALI_REG(chip, ALI_STOP)); |
1841 | |
1842 | /* disable all IRQ bits */ |
1843 | outl(value: 0, ALI_REG(chip, ALI_MISCINT)); |
1844 | |
1845 | for (i = 0; i < ALI_GLOBAL_REGS; i++) { |
1846 | if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP)) |
1847 | continue; |
1848 | im->regs[i] = inl(ALI_REG(chip, i*4)); |
1849 | } |
1850 | |
1851 | for (i = 0; i < ALI_CHANNELS; i++) { |
1852 | outb(value: i, ALI_REG(chip, ALI_GC_CIR)); |
1853 | for (j = 0; j < ALI_CHANNEL_REGS; j++) |
1854 | im->channel_regs[i][j] = inl(ALI_REG(chip, j*4 + 0xe0)); |
1855 | } |
1856 | |
1857 | /* stop all HW channel */ |
1858 | outl(value: 0xffffffff, ALI_REG(chip, ALI_STOP)); |
1859 | |
1860 | spin_unlock_irq(lock: &chip->reg_lock); |
1861 | return 0; |
1862 | } |
1863 | |
1864 | static int ali_resume(struct device *dev) |
1865 | { |
1866 | struct snd_card *card = dev_get_drvdata(dev); |
1867 | struct snd_ali *chip = card->private_data; |
1868 | struct snd_ali_image *im = &chip->image; |
1869 | int i, j; |
1870 | |
1871 | spin_lock_irq(lock: &chip->reg_lock); |
1872 | |
1873 | for (i = 0; i < ALI_CHANNELS; i++) { |
1874 | outb(value: i, ALI_REG(chip, ALI_GC_CIR)); |
1875 | for (j = 0; j < ALI_CHANNEL_REGS; j++) |
1876 | outl(value: im->channel_regs[i][j], ALI_REG(chip, j*4 + 0xe0)); |
1877 | } |
1878 | |
1879 | for (i = 0; i < ALI_GLOBAL_REGS; i++) { |
1880 | if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP) || |
1881 | (i*4 == ALI_START)) |
1882 | continue; |
1883 | outl(value: im->regs[i], ALI_REG(chip, i*4)); |
1884 | } |
1885 | |
1886 | /* start HW channel */ |
1887 | outl(value: im->regs[ALI_START >> 2], ALI_REG(chip, ALI_START)); |
1888 | /* restore IRQ enable bits */ |
1889 | outl(value: im->regs[ALI_MISCINT >> 2], ALI_REG(chip, ALI_MISCINT)); |
1890 | |
1891 | spin_unlock_irq(lock: &chip->reg_lock); |
1892 | |
1893 | for (i = 0 ; i < chip->num_of_codecs; i++) |
1894 | snd_ac97_resume(ac97: chip->ac97[i]); |
1895 | |
1896 | snd_power_change_state(card, SNDRV_CTL_POWER_D0); |
1897 | return 0; |
1898 | } |
1899 | |
1900 | static DEFINE_SIMPLE_DEV_PM_OPS(ali_pm, ali_suspend, ali_resume); |
1901 | |
1902 | static void snd_ali_free(struct snd_card *card) |
1903 | { |
1904 | struct snd_ali *codec = card->private_data; |
1905 | |
1906 | if (codec->hw_initialized) |
1907 | snd_ali_disable_address_interrupt(codec); |
1908 | pci_dev_put(dev: codec->pci_m1533); |
1909 | pci_dev_put(dev: codec->pci_m7101); |
1910 | } |
1911 | |
1912 | static int snd_ali_chip_init(struct snd_ali *codec) |
1913 | { |
1914 | unsigned int legacy; |
1915 | unsigned char temp; |
1916 | struct pci_dev *pci_dev; |
1917 | |
1918 | dev_dbg(codec->card->dev, "chip initializing ...\n" ); |
1919 | |
1920 | if (snd_ali_reset_5451(codec)) { |
1921 | dev_err(codec->card->dev, "ali_chip_init: reset 5451 error.\n" ); |
1922 | return -1; |
1923 | } |
1924 | |
1925 | if (codec->revision == ALI_5451_V02) { |
1926 | pci_dev = codec->pci_m1533; |
1927 | pci_read_config_byte(dev: pci_dev, where: 0x59, val: &temp); |
1928 | temp |= 0x80; |
1929 | pci_write_config_byte(dev: pci_dev, where: 0x59, val: temp); |
1930 | |
1931 | pci_dev = codec->pci_m7101; |
1932 | pci_read_config_byte(dev: pci_dev, where: 0xb8, val: &temp); |
1933 | temp |= 0x20; |
1934 | pci_write_config_byte(dev: pci_dev, where: 0xB8, val: temp); |
1935 | } |
1936 | |
1937 | pci_read_config_dword(dev: codec->pci, where: 0x44, val: &legacy); |
1938 | legacy &= 0xff00ff00; |
1939 | legacy |= 0x000800aa; |
1940 | pci_write_config_dword(dev: codec->pci, where: 0x44, val: legacy); |
1941 | |
1942 | outl(value: 0x80000001, ALI_REG(codec, ALI_GLOBAL_CONTROL)); |
1943 | outl(value: 0x00000000, ALI_REG(codec, ALI_AINTEN)); |
1944 | outl(value: 0xffffffff, ALI_REG(codec, ALI_AINT)); |
1945 | outl(value: 0x00000000, ALI_REG(codec, ALI_VOLUME)); |
1946 | outb(value: 0x10, ALI_REG(codec, ALI_MPUR2)); |
1947 | |
1948 | codec->ac97_ext_id = snd_ali_codec_peek(codec, secondary: 0, AC97_EXTENDED_ID); |
1949 | codec->ac97_ext_status = snd_ali_codec_peek(codec, secondary: 0, |
1950 | AC97_EXTENDED_STATUS); |
1951 | if (codec->spdif_support) { |
1952 | snd_ali_enable_spdif_out(codec); |
1953 | codec->spdif_mask = 0x00000002; |
1954 | } |
1955 | |
1956 | codec->num_of_codecs = 1; |
1957 | |
1958 | /* secondary codec - modem */ |
1959 | if (inl(ALI_REG(codec, ALI_SCTRL)) & ALI_SCTRL_CODEC2_READY) { |
1960 | codec->num_of_codecs++; |
1961 | outl(inl(ALI_REG(codec, ALI_SCTRL)) | |
1962 | (ALI_SCTRL_LINE_IN2 | ALI_SCTRL_GPIO_IN2 | |
1963 | ALI_SCTRL_LINE_OUT_EN), |
1964 | ALI_REG(codec, ALI_SCTRL)); |
1965 | } |
1966 | |
1967 | dev_dbg(codec->card->dev, "chip initialize succeed.\n" ); |
1968 | return 0; |
1969 | |
1970 | } |
1971 | |
1972 | /* proc for register dump */ |
1973 | static void snd_ali_proc_read(struct snd_info_entry *entry, |
1974 | struct snd_info_buffer *buf) |
1975 | { |
1976 | struct snd_ali *codec = entry->private_data; |
1977 | int i; |
1978 | for (i = 0; i < 256 ; i+= 4) |
1979 | snd_iprintf(buf, "%02x: %08x\n" , i, inl(ALI_REG(codec, i))); |
1980 | } |
1981 | |
1982 | static void snd_ali_proc_init(struct snd_ali *codec) |
1983 | { |
1984 | snd_card_ro_proc_new(card: codec->card, name: "ali5451" , private_data: codec, read: snd_ali_proc_read); |
1985 | } |
1986 | |
1987 | static int snd_ali_resources(struct snd_ali *codec) |
1988 | { |
1989 | int err; |
1990 | |
1991 | dev_dbg(codec->card->dev, "resources allocation ...\n" ); |
1992 | err = pci_request_regions(codec->pci, "ALI 5451" ); |
1993 | if (err < 0) |
1994 | return err; |
1995 | codec->port = pci_resource_start(codec->pci, 0); |
1996 | |
1997 | if (devm_request_irq(dev: &codec->pci->dev, irq: codec->pci->irq, |
1998 | handler: snd_ali_card_interrupt, |
1999 | IRQF_SHARED, KBUILD_MODNAME, dev_id: codec)) { |
2000 | dev_err(codec->card->dev, "Unable to request irq.\n" ); |
2001 | return -EBUSY; |
2002 | } |
2003 | codec->irq = codec->pci->irq; |
2004 | codec->card->sync_irq = codec->irq; |
2005 | dev_dbg(codec->card->dev, "resources allocated.\n" ); |
2006 | return 0; |
2007 | } |
2008 | |
2009 | static int snd_ali_create(struct snd_card *card, |
2010 | struct pci_dev *pci, |
2011 | int pcm_streams, |
2012 | int spdif_support) |
2013 | { |
2014 | struct snd_ali *codec = card->private_data; |
2015 | int i, err; |
2016 | unsigned short cmdw; |
2017 | |
2018 | dev_dbg(card->dev, "creating ...\n" ); |
2019 | |
2020 | /* enable PCI device */ |
2021 | err = pcim_enable_device(pdev: pci); |
2022 | if (err < 0) |
2023 | return err; |
2024 | /* check, if we can restrict PCI DMA transfers to 31 bits */ |
2025 | if (dma_set_mask_and_coherent(dev: &pci->dev, DMA_BIT_MASK(31))) { |
2026 | dev_err(card->dev, |
2027 | "architecture does not support 31bit PCI busmaster DMA\n" ); |
2028 | return -ENXIO; |
2029 | } |
2030 | |
2031 | spin_lock_init(&codec->reg_lock); |
2032 | spin_lock_init(&codec->voice_alloc); |
2033 | |
2034 | codec->card = card; |
2035 | codec->pci = pci; |
2036 | codec->irq = -1; |
2037 | codec->revision = pci->revision; |
2038 | codec->spdif_support = spdif_support; |
2039 | |
2040 | if (pcm_streams < 1) |
2041 | pcm_streams = 1; |
2042 | if (pcm_streams > 32) |
2043 | pcm_streams = 32; |
2044 | |
2045 | pci_set_master(dev: pci); |
2046 | pci_read_config_word(dev: pci, PCI_COMMAND, val: &cmdw); |
2047 | if ((cmdw & PCI_COMMAND_IO) != PCI_COMMAND_IO) { |
2048 | cmdw |= PCI_COMMAND_IO; |
2049 | pci_write_config_word(dev: pci, PCI_COMMAND, val: cmdw); |
2050 | } |
2051 | |
2052 | if (snd_ali_resources(codec)) |
2053 | return -EBUSY; |
2054 | card->private_free = snd_ali_free; |
2055 | |
2056 | codec->synth.chmap = 0; |
2057 | codec->synth.chcnt = 0; |
2058 | codec->spdif_mask = 0; |
2059 | codec->synth.synthcount = 0; |
2060 | |
2061 | if (codec->revision == ALI_5451_V02) |
2062 | codec->chregs.regs.ac97read = ALI_AC97_WRITE; |
2063 | else |
2064 | codec->chregs.regs.ac97read = ALI_AC97_READ; |
2065 | codec->chregs.regs.ac97write = ALI_AC97_WRITE; |
2066 | |
2067 | codec->chregs.regs.start = ALI_START; |
2068 | codec->chregs.regs.stop = ALI_STOP; |
2069 | codec->chregs.regs.aint = ALI_AINT; |
2070 | codec->chregs.regs.ainten = ALI_AINTEN; |
2071 | |
2072 | codec->chregs.data.start = 0x00; |
2073 | codec->chregs.data.stop = 0x00; |
2074 | codec->chregs.data.aint = 0x00; |
2075 | codec->chregs.data.ainten = 0x00; |
2076 | |
2077 | /* M1533: southbridge */ |
2078 | codec->pci_m1533 = pci_get_device(vendor: 0x10b9, device: 0x1533, NULL); |
2079 | if (!codec->pci_m1533) { |
2080 | dev_err(card->dev, "cannot find ALi 1533 chip.\n" ); |
2081 | return -ENODEV; |
2082 | } |
2083 | /* M7101: power management */ |
2084 | codec->pci_m7101 = pci_get_device(vendor: 0x10b9, device: 0x7101, NULL); |
2085 | if (!codec->pci_m7101 && codec->revision == ALI_5451_V02) { |
2086 | dev_err(card->dev, "cannot find ALi 7101 chip.\n" ); |
2087 | return -ENODEV; |
2088 | } |
2089 | |
2090 | /* initialise synth voices*/ |
2091 | for (i = 0; i < ALI_CHANNELS; i++) |
2092 | codec->synth.voices[i].number = i; |
2093 | |
2094 | err = snd_ali_chip_init(codec); |
2095 | if (err < 0) { |
2096 | dev_err(card->dev, "ali create: chip init error.\n" ); |
2097 | return err; |
2098 | } |
2099 | |
2100 | snd_ali_enable_address_interrupt(codec); |
2101 | codec->hw_initialized = 1; |
2102 | return 0; |
2103 | } |
2104 | |
2105 | static int __snd_ali_probe(struct pci_dev *pci, |
2106 | const struct pci_device_id *pci_id) |
2107 | { |
2108 | struct snd_card *card; |
2109 | struct snd_ali *codec; |
2110 | int err; |
2111 | |
2112 | dev_dbg(&pci->dev, "probe ...\n" ); |
2113 | |
2114 | err = snd_devm_card_new(parent: &pci->dev, idx: index, xid: id, THIS_MODULE, |
2115 | extra_size: sizeof(*codec), card_ret: &card); |
2116 | if (err < 0) |
2117 | return err; |
2118 | codec = card->private_data; |
2119 | |
2120 | err = snd_ali_create(card, pci, pcm_streams: pcm_channels, spdif_support: spdif); |
2121 | if (err < 0) |
2122 | return err; |
2123 | |
2124 | dev_dbg(&pci->dev, "mixer building ...\n" ); |
2125 | err = snd_ali_mixer(codec); |
2126 | if (err < 0) |
2127 | return err; |
2128 | |
2129 | dev_dbg(&pci->dev, "pcm building ...\n" ); |
2130 | err = snd_ali_build_pcms(codec); |
2131 | if (err < 0) |
2132 | return err; |
2133 | |
2134 | snd_ali_proc_init(codec); |
2135 | |
2136 | strcpy(p: card->driver, q: "ALI5451" ); |
2137 | strcpy(p: card->shortname, q: "ALI 5451" ); |
2138 | |
2139 | sprintf(buf: card->longname, fmt: "%s at 0x%lx, irq %i" , |
2140 | card->shortname, codec->port, codec->irq); |
2141 | |
2142 | dev_dbg(&pci->dev, "register card.\n" ); |
2143 | err = snd_card_register(card); |
2144 | if (err < 0) |
2145 | return err; |
2146 | |
2147 | pci_set_drvdata(pdev: pci, data: card); |
2148 | return 0; |
2149 | } |
2150 | |
2151 | static int snd_ali_probe(struct pci_dev *pci, |
2152 | const struct pci_device_id *pci_id) |
2153 | { |
2154 | return snd_card_free_on_error(dev: &pci->dev, ret: __snd_ali_probe(pci, pci_id)); |
2155 | } |
2156 | |
2157 | static struct pci_driver ali5451_driver = { |
2158 | .name = KBUILD_MODNAME, |
2159 | .id_table = snd_ali_ids, |
2160 | .probe = snd_ali_probe, |
2161 | .driver = { |
2162 | .pm = &ali_pm, |
2163 | }, |
2164 | }; |
2165 | |
2166 | module_pci_driver(ali5451_driver); |
2167 | |