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1da177e4 LT |
1 | /* |
2 | * Matt Wu <Matt_Wu@acersoftech.com.cn> | |
3 | * Apr 26, 2001 | |
4 | * Routines for control of ALi pci audio M5451 | |
5 | * | |
6 | * BUGS: | |
7 | * -- | |
8 | * | |
9 | * TODO: | |
10 | * -- | |
11 | * | |
12 | * This program is free software; you can redistribute it and/or modify | |
13 | * it under the terms of the GNU General Public Lcodecnse as published by | |
14 | * the Free Software Foundation; either version 2 of the Lcodecnse, or | |
15 | * (at your option) any later version. | |
16 | * | |
17 | * This program is distributed in the hope that it will be useful, | |
18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | * GNU General Public Lcodecnse for more details. | |
21 | * | |
22 | * You should have received a copy of the GNU General Public Lcodecnse | |
23 | * along with this program; if not, write to the Free Software | |
24 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
25 | * | |
26 | */ | |
27 | ||
28 | #include <sound/driver.h> | |
29 | #include <asm/io.h> | |
30 | #include <linux/delay.h> | |
31 | #include <linux/interrupt.h> | |
32 | #include <linux/init.h> | |
33 | #include <linux/pci.h> | |
34 | #include <linux/slab.h> | |
35 | #include <linux/moduleparam.h> | |
36 | #include <sound/core.h> | |
37 | #include <sound/pcm.h> | |
38 | #include <sound/info.h> | |
39 | #include <sound/ac97_codec.h> | |
40 | #include <sound/mpu401.h> | |
41 | #include <sound/initval.h> | |
42 | ||
43 | MODULE_AUTHOR("Matt Wu <Matt_Wu@acersoftech.com.cn>"); | |
44 | MODULE_DESCRIPTION("ALI M5451"); | |
45 | MODULE_LICENSE("GPL"); | |
46 | MODULE_SUPPORTED_DEVICE("{{ALI,M5451,pci},{ALI,M5451}}"); | |
47 | ||
48 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ | |
49 | static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ | |
50 | static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; | |
51 | static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 32}; | |
52 | static int spdif[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 0}; | |
53 | ||
54 | module_param_array(index, int, NULL, 0444); | |
55 | MODULE_PARM_DESC(index, "Index value for ALI M5451 PCI Audio."); | |
56 | module_param_array(id, charp, NULL, 0444); | |
57 | MODULE_PARM_DESC(id, "ID string for ALI M5451 PCI Audio."); | |
58 | module_param_array(enable, bool, NULL, 0444); | |
59 | MODULE_PARM_DESC(enable, "Enable ALI 5451 PCI Audio."); | |
60 | module_param_array(pcm_channels, int, NULL, 0444); | |
61 | MODULE_PARM_DESC(pcm_channels, "PCM Channels"); | |
62 | module_param_array(spdif, bool, NULL, 0444); | |
63 | MODULE_PARM_DESC(spdif, "Support SPDIF I/O"); | |
64 | ||
65 | /* | |
66 | * Debug part definitions | |
67 | */ | |
68 | ||
69 | //#define ALI_DEBUG | |
70 | ||
71 | #ifdef ALI_DEBUG | |
72 | #define snd_ali_printk(format, args...) printk(format, ##args); | |
73 | #else | |
74 | #define snd_ali_printk(format, args...) | |
75 | #endif | |
76 | ||
77 | /* | |
78 | * Constants definition | |
79 | */ | |
80 | ||
81 | #ifndef PCI_VENDOR_ID_ALI | |
82 | #define PCI_VENDOR_ID_ALI 0x10b9 | |
83 | #endif | |
84 | ||
85 | #ifndef PCI_DEVICE_ID_ALI_5451 | |
86 | #define PCI_DEVICE_ID_ALI_5451 0x5451 | |
87 | #endif | |
88 | ||
89 | #define DEVICE_ID_ALI5451 ((PCI_VENDOR_ID_ALI<<16)|PCI_DEVICE_ID_ALI_5451) | |
90 | ||
91 | ||
92 | #define ALI_CHANNELS 32 | |
93 | ||
94 | #define ALI_PCM_IN_CHANNEL 31 | |
95 | #define ALI_SPDIF_IN_CHANNEL 19 | |
96 | #define ALI_SPDIF_OUT_CHANNEL 15 | |
97 | #define ALI_CENTER_CHANNEL 24 | |
98 | #define ALI_LEF_CHANNEL 23 | |
99 | #define ALI_SURR_LEFT_CHANNEL 26 | |
100 | #define ALI_SURR_RIGHT_CHANNEL 25 | |
101 | ||
102 | #define SNDRV_ALI_VOICE_TYPE_PCM 01 | |
103 | #define SNDRV_ALI_VOICE_TYPE_OTH 02 | |
104 | ||
105 | #define ALI_5451_V02 0x02 | |
106 | ||
107 | /* | |
108 | * Direct Registers | |
109 | */ | |
110 | ||
111 | #define ALI_LEGACY_DMAR0 0x00 // ADR0 | |
112 | #define ALI_LEGACY_DMAR4 0x04 // CNT0 | |
113 | #define ALI_LEGACY_DMAR11 0x0b // MOD | |
114 | #define ALI_LEGACY_DMAR15 0x0f // MMR | |
115 | #define ALI_MPUR0 0x20 | |
116 | #define ALI_MPUR1 0x21 | |
117 | #define ALI_MPUR2 0x22 | |
118 | #define ALI_MPUR3 0x23 | |
119 | ||
120 | #define ALI_AC97_WRITE 0x40 | |
121 | #define ALI_AC97_READ 0x44 | |
122 | ||
123 | #define ALI_SCTRL 0x48 | |
124 | #define ALI_SPDIF_OUT_ENABLE 0x20 | |
125 | #define ALI_AC97_GPIO 0x4c | |
126 | #define ALI_SPDIF_CS 0x70 | |
127 | #define ALI_SPDIF_CTRL 0x74 | |
128 | #define ALI_SPDIF_IN_FUNC_ENABLE 0x02 | |
129 | #define ALI_SPDIF_IN_CH_STATUS 0x40 | |
130 | #define ALI_SPDIF_OUT_CH_STATUS 0xbf | |
131 | #define ALI_START 0x80 | |
132 | #define ALI_STOP 0x84 | |
133 | #define ALI_CSPF 0x90 | |
134 | #define ALI_AINT 0x98 | |
135 | #define ALI_GC_CIR 0xa0 | |
136 | #define ENDLP_IE 0x00001000 | |
137 | #define MIDLP_IE 0x00002000 | |
138 | #define ALI_AINTEN 0xa4 | |
139 | #define ALI_VOLUME 0xa8 | |
140 | #define ALI_SBDELTA_DELTA_R 0xac | |
141 | #define ALI_MISCINT 0xb0 | |
142 | #define ADDRESS_IRQ 0x00000020 | |
143 | #define TARGET_REACHED 0x00008000 | |
144 | #define MIXER_OVERFLOW 0x00000800 | |
145 | #define MIXER_UNDERFLOW 0x00000400 | |
146 | #define ALI_SBBL_SBCL 0xc0 | |
147 | #define ALI_SBCTRL_SBE2R_SBDD 0xc4 | |
148 | #define ALI_STIMER 0xc8 | |
149 | #define ALI_GLOBAL_CONTROL 0xd4 | |
150 | #define ALI_SPDIF_OUT_SEL_PCM 0x00000400 /* bit 10 */ | |
151 | #define ALI_SPDIF_IN_SUPPORT 0x00000800 /* bit 11 */ | |
152 | #define ALI_SPDIF_OUT_CH_ENABLE 0x00008000 /* bit 15 */ | |
153 | #define ALI_SPDIF_IN_CH_ENABLE 0x00080000 /* bit 19 */ | |
154 | #define ALI_PCM_IN_ENABLE 0x80000000 /* bit 31 */ | |
155 | ||
156 | #define ALI_CSO_ALPHA_FMS 0xe0 | |
157 | #define ALI_LBA 0xe4 | |
158 | #define ALI_ESO_DELTA 0xe8 | |
159 | #define ALI_GVSEL_PAN_VOC_CTRL_EC 0xf0 | |
160 | #define ALI_EBUF1 0xf4 | |
161 | #define ALI_EBUF2 0xf8 | |
162 | ||
163 | #define ALI_REG(codec, x) ((codec)->port + x) | |
164 | ||
165 | typedef struct snd_stru_ali ali_t; | |
166 | typedef struct snd_ali_stru_voice snd_ali_voice_t; | |
167 | ||
168 | typedef struct snd_ali_channel_control { | |
169 | // register data | |
170 | struct REGDATA { | |
171 | unsigned int start; | |
172 | unsigned int stop; | |
173 | unsigned int aint; | |
174 | unsigned int ainten; | |
175 | } data; | |
176 | ||
177 | // register addresses | |
178 | struct REGS { | |
179 | unsigned int start; | |
180 | unsigned int stop; | |
181 | unsigned int aint; | |
182 | unsigned int ainten; | |
183 | unsigned int ac97read; | |
184 | unsigned int ac97write; | |
185 | } regs; | |
186 | ||
187 | } snd_ali_channel_control_t; | |
188 | ||
189 | struct snd_ali_stru_voice { | |
190 | unsigned int number; | |
191 | unsigned int use: 1, | |
192 | pcm: 1, | |
193 | midi: 1, | |
194 | mode: 1, | |
195 | synth: 1; | |
196 | ||
197 | /* PCM data */ | |
198 | ali_t *codec; | |
199 | snd_pcm_substream_t *substream; | |
200 | snd_ali_voice_t *extra; | |
201 | ||
202 | unsigned int running: 1; | |
203 | ||
204 | int eso; /* final ESO value for channel */ | |
205 | int count; /* runtime->period_size */ | |
206 | ||
207 | /* --- */ | |
208 | ||
209 | void *private_data; | |
210 | void (*private_free)(void *private_data); | |
211 | }; | |
212 | ||
213 | ||
214 | typedef struct snd_stru_alidev { | |
215 | ||
216 | snd_ali_voice_t voices[ALI_CHANNELS]; | |
217 | ||
218 | unsigned int chcnt; /* num of opened channels */ | |
219 | unsigned int chmap; /* bitmap for opened channels */ | |
220 | unsigned int synthcount; | |
221 | ||
222 | } alidev_t; | |
223 | ||
224 | ||
225 | #ifdef CONFIG_PM | |
226 | #define ALI_GLOBAL_REGS 56 | |
227 | #define ALI_CHANNEL_REGS 8 | |
228 | typedef struct snd_ali_image { | |
229 | unsigned long regs[ALI_GLOBAL_REGS]; | |
230 | unsigned long channel_regs[ALI_CHANNELS][ALI_CHANNEL_REGS]; | |
231 | } ali_image_t; | |
232 | #endif | |
233 | ||
234 | ||
235 | struct snd_stru_ali { | |
236 | unsigned long irq; | |
237 | unsigned long port; | |
238 | unsigned char revision; | |
239 | ||
240 | unsigned int hw_initialized: 1; | |
241 | unsigned int spdif_support: 1; | |
242 | ||
243 | struct pci_dev *pci; | |
244 | struct pci_dev *pci_m1533; | |
245 | struct pci_dev *pci_m7101; | |
246 | ||
247 | snd_card_t *card; | |
248 | snd_pcm_t *pcm; | |
249 | alidev_t synth; | |
250 | snd_ali_channel_control_t chregs; | |
251 | ||
252 | /* S/PDIF Mask */ | |
253 | unsigned int spdif_mask; | |
254 | ||
255 | unsigned int spurious_irq_count; | |
256 | unsigned int spurious_irq_max_delta; | |
257 | ||
258 | ac97_bus_t *ac97_bus; | |
259 | ac97_t *ac97; | |
260 | unsigned short ac97_ext_id; | |
261 | unsigned short ac97_ext_status; | |
262 | ||
263 | spinlock_t reg_lock; | |
264 | spinlock_t voice_alloc; | |
265 | ||
266 | #ifdef CONFIG_PM | |
267 | ali_image_t *image; | |
268 | #endif | |
269 | }; | |
270 | ||
271 | static struct pci_device_id snd_ali_ids[] = { | |
272 | {0x10b9, 0x5451, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, | |
273 | {0, } | |
274 | }; | |
275 | MODULE_DEVICE_TABLE(pci, snd_ali_ids); | |
276 | ||
277 | static void snd_ali_clear_voices(ali_t *, unsigned int, unsigned int); | |
278 | static unsigned short snd_ali_codec_peek(ali_t *, int, unsigned short); | |
279 | static void snd_ali_codec_poke(ali_t *, int, unsigned short, unsigned short); | |
280 | ||
281 | /* | |
282 | * Debug Part | |
283 | */ | |
284 | ||
285 | #ifdef ALI_DEBUG | |
286 | ||
287 | static void ali_read_regs(ali_t *codec, int channel) | |
288 | { | |
289 | int i,j; | |
290 | unsigned int dwVal; | |
291 | ||
292 | printk("channel %d registers map:\n", channel); | |
293 | outb((unsigned char)(channel & 0x001f), ALI_REG(codec,ALI_GC_CIR)); | |
294 | ||
295 | printk(" "); | |
296 | for(j=0;j<8;j++) | |
297 | printk("%2.2x ", j*4); | |
298 | printk("\n"); | |
299 | ||
300 | for (i=0; i<=0xf8/4;i++) { | |
301 | if(i%8 == 0) | |
302 | printk("%2.2x ", (i*4/0x10)*0x10); | |
303 | dwVal = inl(ALI_REG(codec,i*4)); | |
304 | printk("%8.8x ", dwVal); | |
305 | if ((i+1)%8 == 0) | |
306 | printk("\n"); | |
307 | } | |
308 | printk("\n"); | |
309 | } | |
310 | static void ali_read_cfg(unsigned int vendor, unsigned deviceid) | |
311 | { | |
312 | unsigned int dwVal; | |
313 | struct pci_dev *pci_dev = NULL; | |
314 | int i,j; | |
315 | ||
316 | ||
317 | pci_dev = pci_find_device(vendor, deviceid, pci_dev); | |
318 | if (pci_dev == NULL) | |
319 | return ; | |
320 | ||
321 | printk("\nM%x PCI CFG\n", deviceid); | |
322 | printk(" "); | |
323 | for(j=0;j<8;j++) | |
324 | printk("%d ",j); | |
325 | printk("\n"); | |
326 | ||
327 | for(i=0;i<8;i++) { | |
328 | printk("%d ",i); | |
329 | for(j=0;j<8;j++) | |
330 | { | |
331 | pci_read_config_dword(pci_dev, i*0x20+j*4, &dwVal); | |
332 | printk("%8.8x ", dwVal); | |
333 | } | |
334 | printk("\n"); | |
335 | } | |
336 | } | |
337 | static void ali_read_ac97regs(ali_t *codec, int secondary) | |
338 | { | |
339 | unsigned short i,j; | |
340 | unsigned short wVal; | |
341 | ||
342 | printk("\ncodec %d registers map:\n", secondary); | |
343 | ||
344 | printk(" "); | |
345 | for(j=0;j<8;j++) | |
346 | printk("%2.2x ",j*2); | |
347 | printk("\n"); | |
348 | ||
349 | for (i=0; i<64;i++) { | |
350 | if(i%8 == 0) | |
351 | printk("%2.2x ", (i/8)*0x10); | |
352 | wVal = snd_ali_codec_peek(codec, secondary, i*2); | |
353 | printk("%4.4x ", wVal); | |
354 | if ((i+1)%8 == 0) | |
355 | printk("\n"); | |
356 | } | |
357 | printk("\n"); | |
358 | } | |
359 | ||
360 | #endif | |
361 | ||
362 | /* | |
363 | * AC97 ACCESS | |
364 | */ | |
365 | ||
366 | static inline unsigned int snd_ali_5451_peek(ali_t *codec, | |
367 | unsigned int port ) | |
368 | { | |
369 | return (unsigned int)inl(ALI_REG(codec, port)); | |
370 | } | |
371 | ||
372 | static inline void snd_ali_5451_poke( ali_t *codec, | |
373 | unsigned int port, | |
374 | unsigned int val ) | |
375 | { | |
376 | outl((unsigned int)val, ALI_REG(codec, port)); | |
377 | } | |
378 | ||
379 | static int snd_ali_codec_ready( ali_t *codec, | |
380 | unsigned int port, | |
381 | int sched ) | |
382 | { | |
383 | unsigned long end_time; | |
384 | unsigned int res; | |
385 | ||
386 | end_time = jiffies + 10 * (HZ >> 2); | |
387 | do { | |
388 | res = snd_ali_5451_peek(codec,port); | |
389 | if (! (res & 0x8000)) | |
390 | return 0; | |
391 | if (sched) { | |
392 | set_current_state(TASK_UNINTERRUPTIBLE); | |
393 | schedule_timeout(1); | |
394 | } | |
395 | } while (time_after_eq(end_time, jiffies)); | |
396 | snd_ali_5451_poke(codec, port, res & ~0x8000); | |
397 | snd_printdd("ali_codec_ready: codec is not ready.\n "); | |
398 | return -EIO; | |
399 | } | |
400 | ||
401 | static int snd_ali_stimer_ready(ali_t *codec, int sched) | |
402 | { | |
403 | unsigned long end_time; | |
404 | unsigned long dwChk1,dwChk2; | |
405 | ||
406 | dwChk1 = snd_ali_5451_peek(codec, ALI_STIMER); | |
407 | dwChk2 = snd_ali_5451_peek(codec, ALI_STIMER); | |
408 | ||
409 | end_time = jiffies + 10 * (HZ >> 2); | |
410 | do { | |
411 | dwChk2 = snd_ali_5451_peek(codec, ALI_STIMER); | |
412 | if (dwChk2 != dwChk1) | |
413 | return 0; | |
414 | if (sched) { | |
415 | set_current_state(TASK_UNINTERRUPTIBLE); | |
416 | schedule_timeout(1); | |
417 | } | |
418 | } while (time_after_eq(end_time, jiffies)); | |
419 | snd_printk("ali_stimer_read: stimer is not ready.\n"); | |
420 | return -EIO; | |
421 | } | |
422 | ||
423 | static void snd_ali_codec_poke(ali_t *codec,int secondary, | |
424 | unsigned short reg, | |
425 | unsigned short val) | |
426 | { | |
427 | unsigned int dwVal = 0; | |
428 | unsigned int port = 0; | |
429 | ||
430 | if (reg >= 0x80) { | |
431 | snd_printk("ali_codec_poke: reg(%xh) invalid.\n", reg); | |
432 | return; | |
433 | } | |
434 | ||
435 | port = codec->chregs.regs.ac97write; | |
436 | ||
437 | if (snd_ali_codec_ready(codec, port, 0) < 0) | |
438 | return; | |
439 | if (snd_ali_stimer_ready(codec, 0) < 0) | |
440 | return; | |
441 | ||
442 | dwVal = (unsigned int) (reg & 0xff); | |
443 | dwVal |= 0x8000 | (val << 16); | |
444 | if (secondary) dwVal |= 0x0080; | |
445 | if (codec->revision == ALI_5451_V02) dwVal |= 0x0100; | |
446 | ||
447 | snd_ali_5451_poke(codec,port,dwVal); | |
448 | ||
449 | return ; | |
450 | } | |
451 | ||
452 | static unsigned short snd_ali_codec_peek( ali_t *codec, | |
453 | int secondary, | |
454 | unsigned short reg) | |
455 | { | |
456 | unsigned int dwVal = 0; | |
457 | unsigned int port = 0; | |
458 | ||
459 | if (reg >= 0x80) { | |
460 | snd_printk("ali_codec_peek: reg(%xh) invalid.\n", reg); | |
461 | return ~0; | |
462 | } | |
463 | ||
464 | port = codec->chregs.regs.ac97read; | |
465 | ||
466 | if (snd_ali_codec_ready(codec, port, 0) < 0) | |
467 | return ~0; | |
468 | if (snd_ali_stimer_ready(codec, 0) < 0) | |
469 | return ~0; | |
470 | ||
471 | dwVal = (unsigned int) (reg & 0xff); | |
472 | dwVal |= 0x8000; /* bit 15*/ | |
473 | if (secondary) dwVal |= 0x0080; | |
474 | ||
475 | snd_ali_5451_poke(codec, port, dwVal); | |
476 | ||
477 | if (snd_ali_stimer_ready(codec, 0) < 0) | |
478 | return ~0; | |
479 | if (snd_ali_codec_ready(codec, port, 0) < 0) | |
480 | return ~0; | |
481 | ||
482 | return (snd_ali_5451_peek(codec, port) & 0xffff0000)>>16; | |
483 | } | |
484 | ||
485 | static void snd_ali_codec_write(ac97_t *ac97, | |
486 | unsigned short reg, | |
487 | unsigned short val ) | |
488 | { | |
489 | ali_t *codec = ac97->private_data; | |
490 | ||
491 | snd_ali_printk("codec_write: reg=%xh data=%xh.\n", reg, val); | |
492 | snd_ali_codec_poke(codec, 0, reg, val); | |
493 | return ; | |
494 | } | |
495 | ||
496 | ||
497 | static unsigned short snd_ali_codec_read(ac97_t *ac97, unsigned short reg) | |
498 | { | |
499 | ali_t *codec = ac97->private_data; | |
500 | ||
501 | snd_ali_printk("codec_read reg=%xh.\n", reg); | |
502 | return (snd_ali_codec_peek(codec, 0, reg)); | |
503 | } | |
504 | ||
505 | /* | |
506 | * AC97 Reset | |
507 | */ | |
508 | ||
509 | static int snd_ali_reset_5451(ali_t *codec) | |
510 | { | |
511 | struct pci_dev *pci_dev = NULL; | |
512 | unsigned short wCount, wReg; | |
513 | unsigned int dwVal; | |
514 | ||
515 | if ((pci_dev = codec->pci_m1533) != NULL) { | |
516 | pci_read_config_dword(pci_dev, 0x7c, &dwVal); | |
517 | pci_write_config_dword(pci_dev, 0x7c, dwVal | 0x08000000); | |
518 | udelay(5000); | |
519 | pci_read_config_dword(pci_dev, 0x7c, &dwVal); | |
520 | pci_write_config_dword(pci_dev, 0x7c, dwVal & 0xf7ffffff); | |
521 | udelay(5000); | |
522 | } | |
523 | ||
524 | pci_dev = codec->pci; | |
525 | pci_read_config_dword(pci_dev, 0x44, &dwVal); | |
526 | pci_write_config_dword(pci_dev, 0x44, dwVal | 0x000c0000); | |
527 | udelay(500); | |
528 | pci_read_config_dword(pci_dev, 0x44, &dwVal); | |
529 | pci_write_config_dword(pci_dev, 0x44, dwVal & 0xfffbffff); | |
530 | udelay(5000); | |
531 | ||
532 | wCount = 200; | |
533 | while(wCount--) { | |
534 | wReg = snd_ali_codec_peek(codec, 0, AC97_POWERDOWN); | |
535 | if((wReg & 0x000f) == 0x000f) | |
536 | return 0; | |
537 | udelay(5000); | |
538 | } | |
539 | ||
540 | /* non-fatal if you have a non PM capable codec */ | |
541 | /* snd_printk(KERN_WARNING "ali5451: reset time out\n"); */ | |
542 | return 0; | |
543 | } | |
544 | ||
545 | #ifdef CODEC_RESET | |
546 | ||
547 | static int snd_ali_reset_codec(ali_t *codec) | |
548 | { | |
549 | struct pci_dev *pci_dev = NULL; | |
550 | unsigned char bVal = 0; | |
551 | unsigned int dwVal; | |
552 | unsigned short wCount, wReg; | |
553 | ||
554 | pci_dev = codec->pci_m1533; | |
555 | ||
556 | pci_read_config_dword(pci_dev, 0x7c, &dwVal); | |
557 | pci_write_config_dword(pci_dev, 0x7c, dwVal | 0x08000000); | |
558 | udelay(5000); | |
559 | pci_read_config_dword(pci_dev, 0x7c, &dwVal); | |
560 | pci_write_config_dword(pci_dev, 0x7c, dwVal & 0xf7ffffff); | |
561 | udelay(5000); | |
562 | ||
563 | bVal = inb(ALI_REG(codec,ALI_SCTRL)); | |
564 | bVal |= 0x02; | |
565 | outb(ALI_REG(codec,ALI_SCTRL),bVal); | |
566 | udelay(5000); | |
567 | bVal = inb(ALI_REG(codec,ALI_SCTRL)); | |
568 | bVal &= 0xfd; | |
569 | outb(ALI_REG(codec,ALI_SCTRL),bVal); | |
570 | udelay(15000); | |
571 | ||
572 | wCount = 200; | |
573 | while(wCount--) { | |
574 | wReg = snd_ali_codec_read(codec->ac97, AC97_POWERDOWN); | |
575 | if((wReg & 0x000f) == 0x000f) | |
576 | return 0; | |
577 | udelay(5000); | |
578 | } | |
579 | return -1; | |
580 | } | |
581 | ||
582 | #endif | |
583 | ||
584 | /* | |
585 | * ALI 5451 Controller | |
586 | */ | |
587 | ||
588 | static void snd_ali_enable_special_channel(ali_t *codec, unsigned int channel) | |
589 | { | |
590 | unsigned long dwVal = 0; | |
591 | ||
592 | dwVal = inl(ALI_REG(codec,ALI_GLOBAL_CONTROL)); | |
593 | dwVal |= 1 << (channel & 0x0000001f); | |
594 | outl(dwVal, ALI_REG(codec,ALI_GLOBAL_CONTROL)); | |
595 | } | |
596 | ||
597 | static void snd_ali_disable_special_channel(ali_t *codec, unsigned int channel) | |
598 | { | |
599 | unsigned long dwVal = 0; | |
600 | ||
601 | dwVal = inl(ALI_REG(codec,ALI_GLOBAL_CONTROL)); | |
602 | dwVal &= ~(1 << (channel & 0x0000001f)); | |
603 | outl(dwVal, ALI_REG(codec,ALI_GLOBAL_CONTROL)); | |
604 | } | |
605 | ||
606 | static void snd_ali_enable_address_interrupt(ali_t * codec) | |
607 | { | |
608 | unsigned int gc; | |
609 | ||
610 | gc = inl(ALI_REG(codec, ALI_GC_CIR)); | |
611 | gc |= ENDLP_IE; | |
612 | gc |= MIDLP_IE; | |
613 | outl( gc, ALI_REG(codec, ALI_GC_CIR)); | |
614 | } | |
615 | ||
616 | static void snd_ali_disable_address_interrupt(ali_t * codec) | |
617 | { | |
618 | unsigned int gc; | |
619 | ||
620 | gc = inl(ALI_REG(codec, ALI_GC_CIR)); | |
621 | gc &= ~ENDLP_IE; | |
622 | gc &= ~MIDLP_IE; | |
623 | outl(gc, ALI_REG(codec, ALI_GC_CIR)); | |
624 | } | |
625 | ||
626 | #if 0 // not used | |
627 | static void snd_ali_enable_voice_irq(ali_t *codec, unsigned int channel) | |
628 | { | |
629 | unsigned int mask; | |
630 | snd_ali_channel_control_t *pchregs = &(codec->chregs); | |
631 | ||
632 | snd_ali_printk("enable_voice_irq channel=%d\n",channel); | |
633 | ||
634 | mask = 1 << (channel & 0x1f); | |
635 | pchregs->data.ainten = inl(ALI_REG(codec,pchregs->regs.ainten)); | |
636 | pchregs->data.ainten |= mask; | |
637 | outl(pchregs->data.ainten,ALI_REG(codec,pchregs->regs.ainten)); | |
638 | } | |
639 | #endif | |
640 | ||
641 | static void snd_ali_disable_voice_irq(ali_t *codec, unsigned int channel) | |
642 | { | |
643 | unsigned int mask; | |
644 | snd_ali_channel_control_t *pchregs = &(codec->chregs); | |
645 | ||
646 | snd_ali_printk("disable_voice_irq channel=%d\n",channel); | |
647 | ||
648 | mask = 1 << (channel & 0x1f); | |
649 | pchregs->data.ainten = inl(ALI_REG(codec,pchregs->regs.ainten)); | |
650 | pchregs->data.ainten &= ~mask; | |
651 | outl(pchregs->data.ainten,ALI_REG(codec,pchregs->regs.ainten)); | |
652 | } | |
653 | ||
654 | static int snd_ali_alloc_pcm_channel(ali_t *codec, int channel) | |
655 | { | |
656 | unsigned int idx = channel & 0x1f; | |
657 | ||
658 | if (codec->synth.chcnt >= ALI_CHANNELS){ | |
659 | snd_printk("ali_alloc_pcm_channel: no free channels.\n"); | |
660 | return -1; | |
661 | } | |
662 | ||
663 | if (!(codec->synth.chmap & (1 << idx))) { | |
664 | codec->synth.chmap |= 1 << idx; | |
665 | codec->synth.chcnt++; | |
666 | snd_ali_printk("alloc_pcm_channel no. %d.\n",idx); | |
667 | return idx; | |
668 | } | |
669 | return -1; | |
670 | } | |
671 | ||
672 | static int snd_ali_find_free_channel(ali_t * codec, int rec) | |
673 | { | |
674 | int idx; | |
675 | int result = -1; | |
676 | ||
677 | snd_ali_printk("find_free_channel: for %s\n",rec ? "rec" : "pcm"); | |
678 | ||
679 | // recording | |
680 | if (rec) { | |
681 | if (codec->spdif_support && | |
682 | (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) & ALI_SPDIF_IN_SUPPORT)) | |
683 | idx = ALI_SPDIF_IN_CHANNEL; | |
684 | else | |
685 | idx = ALI_PCM_IN_CHANNEL; | |
686 | ||
687 | if ((result = snd_ali_alloc_pcm_channel(codec,idx)) >= 0) { | |
688 | return result; | |
689 | } else { | |
690 | snd_printk("ali_find_free_channel: record channel is busy now.\n"); | |
691 | return -1; | |
692 | } | |
693 | } | |
694 | ||
695 | //playback... | |
696 | if (codec->spdif_support && | |
697 | (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) & ALI_SPDIF_OUT_CH_ENABLE)) { | |
698 | idx = ALI_SPDIF_OUT_CHANNEL; | |
699 | if ((result = snd_ali_alloc_pcm_channel(codec,idx)) >= 0) { | |
700 | return result; | |
701 | } else { | |
702 | snd_printk("ali_find_free_channel: S/PDIF out channel is in busy now.\n"); | |
703 | } | |
704 | } | |
705 | ||
706 | for (idx = 0; idx < ALI_CHANNELS; idx++) { | |
707 | if ((result = snd_ali_alloc_pcm_channel(codec,idx)) >= 0) | |
708 | return result; | |
709 | } | |
710 | snd_printk("ali_find_free_channel: no free channels.\n"); | |
711 | return -1; | |
712 | } | |
713 | ||
714 | static void snd_ali_free_channel_pcm(ali_t *codec, int channel) | |
715 | { | |
716 | unsigned int idx = channel & 0x0000001f; | |
717 | ||
718 | snd_ali_printk("free_channel_pcm channel=%d\n",channel); | |
719 | ||
720 | if (channel < 0 || channel >= ALI_CHANNELS) | |
721 | return; | |
722 | ||
723 | if (!(codec->synth.chmap & (1 << idx))) { | |
724 | snd_printk("ali_free_channel_pcm: channel %d is not in use.\n",channel); | |
725 | return; | |
726 | } else { | |
727 | codec->synth.chmap &= ~(1 << idx); | |
728 | codec->synth.chcnt--; | |
729 | } | |
730 | } | |
731 | ||
732 | #if 0 // not used | |
733 | static void snd_ali_start_voice(ali_t * codec, unsigned int channel) | |
734 | { | |
735 | unsigned int mask = 1 << (channel & 0x1f); | |
736 | ||
737 | snd_ali_printk("start_voice: channel=%d\n",channel); | |
738 | outl(mask, ALI_REG(codec,codec->chregs.regs.start)); | |
739 | } | |
740 | #endif | |
741 | ||
742 | static void snd_ali_stop_voice(ali_t * codec, unsigned int channel) | |
743 | { | |
744 | unsigned int mask = 1 << (channel & 0x1f); | |
745 | ||
746 | snd_ali_printk("stop_voice: channel=%d\n",channel); | |
747 | outl(mask, ALI_REG(codec, codec->chregs.regs.stop)); | |
748 | } | |
749 | ||
750 | /* | |
751 | * S/PDIF Part | |
752 | */ | |
753 | ||
754 | static void snd_ali_delay(ali_t *codec,int interval) | |
755 | { | |
756 | unsigned long begintimer,currenttimer; | |
757 | ||
758 | begintimer = inl(ALI_REG(codec, ALI_STIMER)); | |
759 | currenttimer = inl(ALI_REG(codec, ALI_STIMER)); | |
760 | ||
761 | while (currenttimer < begintimer + interval) { | |
762 | if(snd_ali_stimer_ready(codec, 1) < 0) | |
763 | break; | |
764 | currenttimer = inl(ALI_REG(codec, ALI_STIMER)); | |
765 | } | |
766 | } | |
767 | ||
768 | static void snd_ali_detect_spdif_rate(ali_t *codec) | |
769 | { | |
770 | u16 wval = 0; | |
771 | u16 count = 0; | |
772 | u8 bval = 0, R1 = 0, R2 = 0; | |
773 | ||
774 | bval = inb(ALI_REG(codec,ALI_SPDIF_CTRL + 1)); | |
775 | bval |= 0x1F; | |
776 | outb(bval,ALI_REG(codec,ALI_SPDIF_CTRL + 1)); | |
777 | ||
778 | while (((R1 < 0x0B )||(R1 > 0x0E)) && (R1 != 0x12) && count <= 50000) { | |
779 | count ++; | |
780 | snd_ali_delay(codec, 6); | |
781 | bval = inb(ALI_REG(codec,ALI_SPDIF_CTRL + 1)); | |
782 | R1 = bval & 0x1F; | |
783 | } | |
784 | ||
785 | if (count > 50000) { | |
786 | snd_printk("ali_detect_spdif_rate: timeout!\n"); | |
787 | return; | |
788 | } | |
789 | ||
790 | count = 0; | |
791 | while (count++ <= 50000) { | |
792 | snd_ali_delay(codec, 6); | |
793 | bval = inb(ALI_REG(codec,ALI_SPDIF_CTRL + 1)); | |
794 | R2 = bval & 0x1F; | |
795 | if (R2 != R1) R1 = R2; else break; | |
796 | } | |
797 | ||
798 | if (count > 50000) { | |
799 | snd_printk("ali_detect_spdif_rate: timeout!\n"); | |
800 | return; | |
801 | } | |
802 | ||
803 | if (R2 >= 0x0b && R2 <= 0x0e) { | |
804 | wval = inw(ALI_REG(codec,ALI_SPDIF_CTRL + 2)); | |
805 | wval &= 0xE0F0; | |
806 | wval |= (u16)0x09 << 8 | (u16)0x05; | |
807 | outw(wval,ALI_REG(codec,ALI_SPDIF_CTRL + 2)); | |
808 | ||
809 | bval = inb(ALI_REG(codec,ALI_SPDIF_CS +3)) & 0xF0; | |
810 | outb(bval|0x02,ALI_REG(codec,ALI_SPDIF_CS + 3)); | |
811 | } else if (R2 == 0x12) { | |
812 | wval = inw(ALI_REG(codec,ALI_SPDIF_CTRL + 2)); | |
813 | wval &= 0xE0F0; | |
814 | wval |= (u16)0x0E << 8 | (u16)0x08; | |
815 | outw(wval,ALI_REG(codec,ALI_SPDIF_CTRL + 2)); | |
816 | ||
817 | bval = inb(ALI_REG(codec,ALI_SPDIF_CS +3)) & 0xF0; | |
818 | outb(bval|0x03,ALI_REG(codec,ALI_SPDIF_CS + 3)); | |
819 | } | |
820 | } | |
821 | ||
822 | static unsigned int snd_ali_get_spdif_in_rate(ali_t *codec) | |
823 | { | |
824 | u32 dwRate = 0; | |
825 | u8 bval = 0; | |
826 | ||
827 | bval = inb(ALI_REG(codec,ALI_SPDIF_CTRL)); | |
828 | bval &= 0x7F; | |
829 | bval |= 0x40; | |
830 | outb(bval, ALI_REG(codec,ALI_SPDIF_CTRL)); | |
831 | ||
832 | snd_ali_detect_spdif_rate(codec); | |
833 | ||
834 | bval = inb(ALI_REG(codec,ALI_SPDIF_CS + 3)); | |
835 | bval &= 0x0F; | |
836 | ||
837 | if (bval == 0) dwRate = 44100; | |
838 | if (bval == 1) dwRate = 48000; | |
839 | if (bval == 2) dwRate = 32000; | |
840 | ||
841 | return dwRate; | |
842 | } | |
843 | ||
844 | static void snd_ali_enable_spdif_in(ali_t *codec) | |
845 | { | |
846 | unsigned int dwVal; | |
847 | ||
848 | dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)); | |
849 | dwVal |= ALI_SPDIF_IN_SUPPORT; | |
850 | outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); | |
851 | ||
852 | dwVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL)); | |
853 | dwVal |= 0x02; | |
854 | outb(dwVal, ALI_REG(codec, ALI_SPDIF_CTRL)); | |
855 | ||
856 | snd_ali_enable_special_channel(codec, ALI_SPDIF_IN_CHANNEL); | |
857 | } | |
858 | ||
859 | static void snd_ali_disable_spdif_in(ali_t *codec) | |
860 | { | |
861 | unsigned int dwVal; | |
862 | ||
863 | dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)); | |
864 | dwVal &= ~ALI_SPDIF_IN_SUPPORT; | |
865 | outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); | |
866 | ||
867 | snd_ali_disable_special_channel(codec, ALI_SPDIF_IN_CHANNEL); | |
868 | } | |
869 | ||
870 | ||
871 | static void snd_ali_set_spdif_out_rate(ali_t *codec, unsigned int rate) | |
872 | { | |
873 | unsigned char bVal; | |
874 | unsigned int dwRate = 0; | |
875 | ||
876 | if (rate == 32000) dwRate = 0x300; | |
877 | if (rate == 44100) dwRate = 0; | |
878 | if (rate == 48000) dwRate = 0x200; | |
879 | ||
880 | bVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL)); | |
881 | bVal &= (unsigned char)(~(1<<6)); | |
882 | ||
883 | bVal |= 0x80; //select right | |
884 | outb(bVal, ALI_REG(codec, ALI_SPDIF_CTRL)); | |
885 | outb(dwRate | 0x20, ALI_REG(codec, ALI_SPDIF_CS + 2)); | |
886 | ||
887 | bVal &= (~0x80); //select left | |
888 | outb(bVal, ALI_REG(codec, ALI_SPDIF_CTRL)); | |
889 | outw(rate | 0x10, ALI_REG(codec, ALI_SPDIF_CS + 2)); | |
890 | } | |
891 | ||
892 | static void snd_ali_enable_spdif_out(ali_t *codec) | |
893 | { | |
894 | unsigned short wVal; | |
895 | unsigned char bVal; | |
896 | ||
897 | struct pci_dev *pci_dev = NULL; | |
898 | ||
899 | pci_dev = codec->pci_m1533; | |
900 | if (pci_dev == NULL) | |
901 | return; | |
902 | pci_read_config_byte(pci_dev, 0x61, &bVal); | |
903 | bVal |= 0x40; | |
904 | pci_write_config_byte(pci_dev, 0x61, bVal); | |
905 | pci_read_config_byte(pci_dev, 0x7d, &bVal); | |
906 | bVal |= 0x01; | |
907 | pci_write_config_byte(pci_dev, 0x7d, bVal); | |
908 | ||
909 | pci_read_config_byte(pci_dev, 0x7e, &bVal); | |
910 | bVal &= (~0x20); | |
911 | bVal |= 0x10; | |
912 | pci_write_config_byte(pci_dev, 0x7e, bVal); | |
913 | ||
914 | bVal = inb(ALI_REG(codec, ALI_SCTRL)); | |
915 | outb(bVal | ALI_SPDIF_OUT_ENABLE, ALI_REG(codec, ALI_SCTRL)); | |
916 | ||
917 | bVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL)); | |
918 | outb(bVal & ALI_SPDIF_OUT_CH_STATUS, ALI_REG(codec, ALI_SPDIF_CTRL)); | |
919 | ||
920 | { | |
921 | wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL)); | |
922 | wVal |= ALI_SPDIF_OUT_SEL_PCM; | |
923 | outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); | |
924 | snd_ali_disable_special_channel(codec,ALI_SPDIF_OUT_CHANNEL); | |
925 | } | |
926 | } | |
927 | ||
928 | static void snd_ali_enable_spdif_chnout(ali_t *codec) | |
929 | { | |
930 | unsigned short wVal = 0; | |
931 | ||
932 | wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL)); | |
933 | wVal &= ~ALI_SPDIF_OUT_SEL_PCM; | |
934 | outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); | |
935 | /* | |
936 | wVal = inw(ALI_REG(codec, ALI_SPDIF_CS)); | |
937 | if (flag & ALI_SPDIF_OUT_NON_PCM) | |
938 | wVal |= 0x0002; | |
939 | else | |
940 | wVal &= (~0x0002); | |
941 | outw(wVal, ALI_REG(codec, ALI_SPDIF_CS)); | |
942 | */ | |
943 | snd_ali_enable_special_channel(codec,ALI_SPDIF_OUT_CHANNEL); | |
944 | } | |
945 | ||
946 | static void snd_ali_disable_spdif_chnout(ali_t *codec) | |
947 | { | |
948 | unsigned short wVal = 0; | |
949 | wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL)); | |
950 | wVal |= ALI_SPDIF_OUT_SEL_PCM; | |
951 | outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); | |
952 | ||
953 | snd_ali_enable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL); | |
954 | } | |
955 | ||
956 | static void snd_ali_disable_spdif_out(ali_t *codec) | |
957 | { | |
958 | unsigned char bVal; | |
959 | ||
960 | bVal = inb(ALI_REG(codec, ALI_SCTRL)); | |
961 | outb(bVal & ~ALI_SPDIF_OUT_ENABLE, ALI_REG(codec, ALI_SCTRL)); | |
962 | ||
963 | snd_ali_disable_spdif_chnout(codec); | |
964 | } | |
965 | ||
966 | static void snd_ali_update_ptr(ali_t *codec,int channel) | |
967 | { | |
968 | snd_ali_voice_t *pvoice = NULL; | |
969 | snd_pcm_runtime_t *runtime; | |
970 | snd_ali_channel_control_t *pchregs = NULL; | |
971 | unsigned int old, mask; | |
972 | #ifdef ALI_DEBUG | |
973 | unsigned int temp, cspf; | |
974 | #endif | |
975 | ||
976 | pchregs = &(codec->chregs); | |
977 | ||
978 | // check if interrupt occurred for channel | |
979 | old = pchregs->data.aint; | |
980 | mask = ((unsigned int) 1L) << (channel & 0x1f); | |
981 | ||
982 | if (!(old & mask)) | |
983 | return; | |
984 | ||
985 | pvoice = &codec->synth.voices[channel]; | |
986 | runtime = pvoice->substream->runtime; | |
987 | ||
988 | udelay(100); | |
989 | spin_lock(&codec->reg_lock); | |
990 | ||
991 | if (pvoice->pcm && pvoice->substream) { | |
992 | /* pcm interrupt */ | |
993 | #ifdef ALI_DEBUG | |
994 | outb((u8)(pvoice->number), ALI_REG(codec, ALI_GC_CIR)); | |
995 | temp = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2)); | |
996 | cspf = (inl(ALI_REG(codec, ALI_CSPF)) & mask) == mask; | |
997 | #endif | |
998 | if (pvoice->running) { | |
999 | snd_ali_printk("update_ptr: cso=%4.4x cspf=%d.\n",(u16)temp,cspf); | |
1000 | spin_unlock(&codec->reg_lock); | |
1001 | snd_pcm_period_elapsed(pvoice->substream); | |
1002 | spin_lock(&codec->reg_lock); | |
1003 | } else { | |
1004 | snd_ali_stop_voice(codec, channel); | |
1005 | snd_ali_disable_voice_irq(codec, channel); | |
1006 | } | |
1007 | } else if (codec->synth.voices[channel].synth) { | |
1008 | /* synth interrupt */ | |
1009 | } else if (codec->synth.voices[channel].midi) { | |
1010 | /* midi interrupt */ | |
1011 | } else { | |
1012 | /* unknown interrupt */ | |
1013 | snd_ali_stop_voice(codec, channel); | |
1014 | snd_ali_disable_voice_irq(codec, channel); | |
1015 | } | |
1016 | spin_unlock(&codec->reg_lock); | |
1017 | outl(mask,ALI_REG(codec,pchregs->regs.aint)); | |
1018 | pchregs->data.aint = old & (~mask); | |
1019 | } | |
1020 | ||
1021 | static void snd_ali_interrupt(ali_t * codec) | |
1022 | { | |
1023 | int channel; | |
1024 | unsigned int audio_int; | |
1025 | snd_ali_channel_control_t *pchregs = NULL; | |
1026 | pchregs = &(codec->chregs); | |
1027 | ||
1028 | audio_int = inl(ALI_REG(codec, ALI_MISCINT)); | |
1029 | if (audio_int & ADDRESS_IRQ) { | |
1030 | // get interrupt status for all channels | |
1031 | pchregs->data.aint = inl(ALI_REG(codec,pchregs->regs.aint)); | |
1032 | for (channel = 0; channel < ALI_CHANNELS; channel++) { | |
1033 | snd_ali_update_ptr(codec, channel); | |
1034 | } | |
1035 | } | |
1036 | outl((TARGET_REACHED | MIXER_OVERFLOW | MIXER_UNDERFLOW), | |
1037 | ALI_REG(codec,ALI_MISCINT)); | |
1038 | } | |
1039 | ||
1040 | ||
1041 | static irqreturn_t snd_ali_card_interrupt(int irq, | |
1042 | void *dev_id, | |
1043 | struct pt_regs *regs) | |
1044 | { | |
1045 | ali_t *codec = dev_id; | |
1046 | ||
1047 | if (codec == NULL) | |
1048 | return IRQ_NONE; | |
1049 | snd_ali_interrupt(codec); | |
1050 | return IRQ_HANDLED; | |
1051 | } | |
1052 | ||
1053 | ||
1054 | static snd_ali_voice_t *snd_ali_alloc_voice(ali_t * codec, int type, int rec) | |
1055 | { | |
1056 | snd_ali_voice_t *pvoice = NULL; | |
1057 | unsigned long flags; | |
1058 | int idx; | |
1059 | ||
1060 | snd_ali_printk("alloc_voice: type=%d rec=%d\n",type,rec); | |
1061 | ||
1062 | spin_lock_irqsave(&codec->voice_alloc, flags); | |
1063 | if (type == SNDRV_ALI_VOICE_TYPE_PCM) { | |
1064 | idx = snd_ali_find_free_channel(codec,rec); | |
1065 | if(idx < 0) { | |
1066 | snd_printk("ali_alloc_voice: err.\n"); | |
1067 | spin_unlock_irqrestore(&codec->voice_alloc, flags); | |
1068 | return NULL; | |
1069 | } | |
1070 | pvoice = &(codec->synth.voices[idx]); | |
1071 | pvoice->use = 1; | |
1072 | pvoice->pcm = 1; | |
1073 | pvoice->mode = rec; | |
1074 | spin_unlock_irqrestore(&codec->voice_alloc, flags); | |
1075 | return pvoice; | |
1076 | } | |
1077 | spin_unlock_irqrestore(&codec->voice_alloc, flags); | |
1078 | return NULL; | |
1079 | } | |
1080 | ||
1081 | ||
1082 | static void snd_ali_free_voice(ali_t * codec, snd_ali_voice_t *pvoice) | |
1083 | { | |
1084 | unsigned long flags; | |
1085 | void (*private_free)(void *); | |
1086 | void *private_data; | |
1087 | ||
1088 | snd_ali_printk("free_voice: channel=%d\n",pvoice->number); | |
1089 | if (pvoice == NULL || !pvoice->use) | |
1090 | return; | |
1091 | snd_ali_clear_voices(codec, pvoice->number, pvoice->number); | |
1092 | spin_lock_irqsave(&codec->voice_alloc, flags); | |
1093 | private_free = pvoice->private_free; | |
1094 | private_data = pvoice->private_data; | |
1095 | pvoice->private_free = NULL; | |
1096 | pvoice->private_data = NULL; | |
1097 | if (pvoice->pcm) { | |
1098 | snd_ali_free_channel_pcm(codec, pvoice->number); | |
1099 | } | |
1100 | pvoice->use = pvoice->pcm = pvoice->synth = 0; | |
1101 | pvoice->substream = NULL; | |
1102 | spin_unlock_irqrestore(&codec->voice_alloc, flags); | |
1103 | if (private_free) | |
1104 | private_free(private_data); | |
1105 | } | |
1106 | ||
1107 | ||
1108 | static void snd_ali_clear_voices(ali_t * codec, | |
1109 | unsigned int v_min, | |
1110 | unsigned int v_max) | |
1111 | { | |
1112 | unsigned int i; | |
1113 | ||
1114 | for (i = v_min; i <= v_max; i++) { | |
1115 | snd_ali_stop_voice(codec, i); | |
1116 | snd_ali_disable_voice_irq(codec, i); | |
1117 | } | |
1118 | } | |
1119 | ||
1120 | static void snd_ali_write_voice_regs(ali_t * codec, | |
1121 | unsigned int Channel, | |
1122 | unsigned int LBA, | |
1123 | unsigned int CSO, | |
1124 | unsigned int ESO, | |
1125 | unsigned int DELTA, | |
1126 | unsigned int ALPHA_FMS, | |
1127 | unsigned int GVSEL, | |
1128 | unsigned int PAN, | |
1129 | unsigned int VOL, | |
1130 | unsigned int CTRL, | |
1131 | unsigned int EC) | |
1132 | { | |
1133 | unsigned int ctlcmds[4]; | |
1134 | ||
1135 | outb((unsigned char)(Channel & 0x001f),ALI_REG(codec,ALI_GC_CIR)); | |
1136 | ||
1137 | ctlcmds[0] = (CSO << 16) | (ALPHA_FMS & 0x0000ffff); | |
1138 | ctlcmds[1] = LBA; | |
1139 | ctlcmds[2] = (ESO << 16) | (DELTA & 0x0ffff); | |
1140 | ctlcmds[3] = (GVSEL << 31) | | |
1141 | ((PAN & 0x0000007f) << 24) | | |
1142 | ((VOL & 0x000000ff) << 16) | | |
1143 | ((CTRL & 0x0000000f) << 12) | | |
1144 | (EC & 0x00000fff); | |
1145 | ||
1146 | outb(Channel, ALI_REG(codec, ALI_GC_CIR)); | |
1147 | ||
1148 | outl(ctlcmds[0], ALI_REG(codec,ALI_CSO_ALPHA_FMS)); | |
1149 | outl(ctlcmds[1], ALI_REG(codec,ALI_LBA)); | |
1150 | outl(ctlcmds[2], ALI_REG(codec,ALI_ESO_DELTA)); | |
1151 | outl(ctlcmds[3], ALI_REG(codec,ALI_GVSEL_PAN_VOC_CTRL_EC)); | |
1152 | ||
1153 | outl(0x30000000, ALI_REG(codec, ALI_EBUF1)); /* Still Mode */ | |
1154 | outl(0x30000000, ALI_REG(codec, ALI_EBUF2)); /* Still Mode */ | |
1155 | } | |
1156 | ||
1157 | static unsigned int snd_ali_convert_rate(unsigned int rate, int rec) | |
1158 | { | |
1159 | unsigned int delta; | |
1160 | ||
1161 | if (rate < 4000) rate = 4000; | |
1162 | if (rate > 48000) rate = 48000; | |
1163 | ||
1164 | if (rec) { | |
1165 | if (rate == 44100) | |
1166 | delta = 0x116a; | |
1167 | else if (rate == 8000) | |
1168 | delta = 0x6000; | |
1169 | else if (rate == 48000) | |
1170 | delta = 0x1000; | |
1171 | else | |
1172 | delta = ((48000 << 12) / rate) & 0x0000ffff; | |
1173 | } else { | |
1174 | if (rate == 44100) | |
1175 | delta = 0xeb3; | |
1176 | else if (rate == 8000) | |
1177 | delta = 0x2ab; | |
1178 | else if (rate == 48000) | |
1179 | delta = 0x1000; | |
1180 | else | |
1181 | delta = (((rate << 12) + rate) / 48000) & 0x0000ffff; | |
1182 | } | |
1183 | ||
1184 | return delta; | |
1185 | } | |
1186 | ||
1187 | static unsigned int snd_ali_control_mode(snd_pcm_substream_t *substream) | |
1188 | { | |
1189 | unsigned int CTRL; | |
1190 | snd_pcm_runtime_t *runtime = substream->runtime; | |
1191 | ||
1192 | /* set ctrl mode | |
1193 | CTRL default: 8-bit (unsigned) mono, loop mode enabled | |
1194 | */ | |
1195 | CTRL = 0x00000001; | |
1196 | if (snd_pcm_format_width(runtime->format) == 16) | |
1197 | CTRL |= 0x00000008; // 16-bit data | |
1198 | if (!snd_pcm_format_unsigned(runtime->format)) | |
1199 | CTRL |= 0x00000002; // signed data | |
1200 | if (runtime->channels > 1) | |
1201 | CTRL |= 0x00000004; // stereo data | |
1202 | return CTRL; | |
1203 | } | |
1204 | ||
1205 | /* | |
1206 | * PCM part | |
1207 | */ | |
1208 | ||
1209 | static int snd_ali_ioctl(snd_pcm_substream_t * substream, | |
1210 | unsigned int cmd, void *arg) | |
1211 | { | |
1212 | return snd_pcm_lib_ioctl(substream, cmd, arg); | |
1213 | } | |
1214 | ||
1215 | static int snd_ali_trigger(snd_pcm_substream_t *substream, | |
1216 | int cmd) | |
1217 | ||
1218 | { | |
1219 | ali_t *codec = snd_pcm_substream_chip(substream); | |
1220 | struct list_head *pos; | |
1221 | snd_pcm_substream_t *s; | |
1222 | unsigned int what, whati, capture_flag; | |
1223 | snd_ali_voice_t *pvoice = NULL, *evoice = NULL; | |
1224 | unsigned int val; | |
1225 | int do_start; | |
1226 | ||
1227 | switch (cmd) { | |
1228 | case SNDRV_PCM_TRIGGER_START: | |
1229 | case SNDRV_PCM_TRIGGER_RESUME: | |
1230 | do_start = 1; break; | |
1231 | case SNDRV_PCM_TRIGGER_STOP: | |
1232 | case SNDRV_PCM_TRIGGER_SUSPEND: | |
1233 | do_start = 0; break; | |
1234 | default: | |
1235 | return -EINVAL; | |
1236 | } | |
1237 | ||
1238 | what = whati = capture_flag = 0; | |
1239 | snd_pcm_group_for_each(pos, substream) { | |
1240 | s = snd_pcm_group_substream_entry(pos); | |
1241 | if ((ali_t *) snd_pcm_substream_chip(s) == codec) { | |
1242 | pvoice = (snd_ali_voice_t *) s->runtime->private_data; | |
1243 | evoice = pvoice->extra; | |
1244 | what |= 1 << (pvoice->number & 0x1f); | |
1245 | if (evoice == NULL) { | |
1246 | whati |= 1 << (pvoice->number & 0x1f); | |
1247 | } else { | |
1248 | whati |= 1 << (evoice->number & 0x1f); | |
1249 | what |= 1 << (evoice->number & 0x1f); | |
1250 | } | |
1251 | if (do_start) { | |
1252 | pvoice->running = 1; | |
1253 | if (evoice != NULL) | |
1254 | evoice->running = 1; | |
1255 | } else { | |
1256 | pvoice->running = 0; | |
1257 | if (evoice != NULL) | |
1258 | evoice->running = 0; | |
1259 | } | |
1260 | snd_pcm_trigger_done(s, substream); | |
1261 | if (pvoice->mode) | |
1262 | capture_flag = 1; | |
1263 | } | |
1264 | } | |
1265 | spin_lock(&codec->reg_lock); | |
1266 | if (! do_start) { | |
1267 | outl(what, ALI_REG(codec, ALI_STOP)); | |
1268 | } | |
1269 | val = inl(ALI_REG(codec, ALI_AINTEN)); | |
1270 | if (do_start) { | |
1271 | val |= whati; | |
1272 | } else { | |
1273 | val &= ~whati; | |
1274 | } | |
1275 | outl(val, ALI_REG(codec, ALI_AINTEN)); | |
1276 | if (do_start) { | |
1277 | outl(what, ALI_REG(codec, ALI_START)); | |
1278 | } | |
1279 | snd_ali_printk("trigger: what=%xh whati=%xh\n",what,whati); | |
1280 | spin_unlock(&codec->reg_lock); | |
1281 | ||
1282 | return 0; | |
1283 | } | |
1284 | ||
1285 | static int snd_ali_playback_hw_params(snd_pcm_substream_t * substream, | |
1286 | snd_pcm_hw_params_t * hw_params) | |
1287 | { | |
1288 | ali_t *codec = snd_pcm_substream_chip(substream); | |
1289 | snd_pcm_runtime_t *runtime = substream->runtime; | |
1290 | snd_ali_voice_t *pvoice = (snd_ali_voice_t *) runtime->private_data; | |
1291 | snd_ali_voice_t *evoice = pvoice->extra; | |
1292 | int err; | |
1293 | err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); | |
1294 | if (err < 0) return err; | |
1295 | ||
1296 | /* voice management */ | |
1297 | ||
1298 | if (params_buffer_size(hw_params)/2 != params_period_size(hw_params)) { | |
1299 | if (evoice == NULL) { | |
1300 | evoice = snd_ali_alloc_voice(codec, SNDRV_ALI_VOICE_TYPE_PCM, 0); | |
1301 | if (evoice == NULL) | |
1302 | return -ENOMEM; | |
1303 | pvoice->extra = evoice; | |
1304 | evoice->substream = substream; | |
1305 | } | |
1306 | } else { | |
1307 | if (evoice != NULL) { | |
1308 | snd_ali_free_voice(codec, evoice); | |
1309 | pvoice->extra = evoice = NULL; | |
1310 | } | |
1311 | } | |
1312 | ||
1313 | return 0; | |
1314 | } | |
1315 | ||
1316 | static int snd_ali_playback_hw_free(snd_pcm_substream_t * substream) | |
1317 | { | |
1318 | ali_t *codec = snd_pcm_substream_chip(substream); | |
1319 | snd_pcm_runtime_t *runtime = substream->runtime; | |
1320 | snd_ali_voice_t *pvoice = (snd_ali_voice_t *) runtime->private_data; | |
1321 | snd_ali_voice_t *evoice = pvoice ? pvoice->extra : NULL; | |
1322 | ||
1323 | snd_pcm_lib_free_pages(substream); | |
1324 | if (evoice != NULL) { | |
1325 | snd_ali_free_voice(codec, evoice); | |
1326 | pvoice->extra = NULL; | |
1327 | } | |
1328 | return 0; | |
1329 | } | |
1330 | ||
1331 | static int snd_ali_capture_hw_params(snd_pcm_substream_t * substream, | |
1332 | snd_pcm_hw_params_t * hw_params) | |
1333 | { | |
1334 | return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); | |
1335 | } | |
1336 | ||
1337 | static int snd_ali_capture_hw_free(snd_pcm_substream_t * substream) | |
1338 | { | |
1339 | return snd_pcm_lib_free_pages(substream); | |
1340 | } | |
1341 | ||
1342 | static int snd_ali_playback_prepare(snd_pcm_substream_t * substream) | |
1343 | { | |
1344 | ali_t *codec = snd_pcm_substream_chip(substream); | |
1345 | snd_pcm_runtime_t *runtime = substream->runtime; | |
1346 | snd_ali_voice_t *pvoice = (snd_ali_voice_t *) runtime->private_data; | |
1347 | snd_ali_voice_t *evoice = pvoice->extra; | |
1348 | unsigned long flags; | |
1349 | ||
1350 | unsigned int LBA; | |
1351 | unsigned int Delta; | |
1352 | unsigned int ESO; | |
1353 | unsigned int CTRL; | |
1354 | unsigned int GVSEL; | |
1355 | unsigned int PAN; | |
1356 | unsigned int VOL; | |
1357 | unsigned int EC; | |
1358 | ||
1359 | snd_ali_printk("playback_prepare ...\n"); | |
1360 | ||
1361 | spin_lock_irqsave(&codec->reg_lock, flags); | |
1362 | ||
1363 | /* set Delta (rate) value */ | |
1364 | Delta = snd_ali_convert_rate(runtime->rate, 0); | |
1365 | ||
1366 | if ((pvoice->number == ALI_SPDIF_IN_CHANNEL) || | |
1367 | (pvoice->number == ALI_PCM_IN_CHANNEL)) | |
1368 | snd_ali_disable_special_channel(codec, pvoice->number); | |
1369 | else if (codec->spdif_support && | |
1370 | (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) & ALI_SPDIF_OUT_CH_ENABLE) | |
1371 | && (pvoice->number == ALI_SPDIF_OUT_CHANNEL)) { | |
1372 | snd_ali_set_spdif_out_rate(codec, runtime->rate); | |
1373 | Delta = 0x1000; | |
1374 | } | |
1375 | ||
1376 | /* set Loop Back Address */ | |
1377 | LBA = runtime->dma_addr; | |
1378 | ||
1379 | /* set interrupt count size */ | |
1380 | pvoice->count = runtime->period_size; | |
1381 | ||
1382 | /* set target ESO for channel */ | |
1383 | pvoice->eso = runtime->buffer_size; | |
1384 | ||
1385 | snd_ali_printk("playback_prepare: eso=%xh count=%xh\n",pvoice->eso,pvoice->count); | |
1386 | ||
1387 | /* set ESO to capture first MIDLP interrupt */ | |
1388 | ESO = pvoice->eso -1; | |
1389 | /* set ctrl mode */ | |
1390 | CTRL = snd_ali_control_mode(substream); | |
1391 | ||
1392 | GVSEL = 1; | |
1393 | PAN = 0; | |
1394 | VOL = 0; | |
1395 | EC = 0; | |
1396 | snd_ali_printk("playback_prepare:\n ch=%d, Rate=%d Delta=%xh,GVSEL=%xh,PAN=%xh,CTRL=%xh\n",pvoice->number,runtime->rate,Delta,GVSEL,PAN,CTRL); | |
1397 | snd_ali_write_voice_regs( codec, | |
1398 | pvoice->number, | |
1399 | LBA, | |
1400 | 0, /* cso */ | |
1401 | ESO, | |
1402 | Delta, | |
1403 | 0, /* alpha */ | |
1404 | GVSEL, | |
1405 | PAN, | |
1406 | VOL, | |
1407 | CTRL, | |
1408 | EC); | |
1409 | if (evoice != NULL) { | |
1410 | evoice->count = pvoice->count; | |
1411 | evoice->eso = pvoice->count << 1; | |
1412 | ESO = evoice->eso - 1; | |
1413 | snd_ali_write_voice_regs(codec, | |
1414 | evoice->number, | |
1415 | LBA, | |
1416 | 0, /* cso */ | |
1417 | ESO, | |
1418 | Delta, | |
1419 | 0, /* alpha */ | |
1420 | GVSEL, | |
1421 | (unsigned int)0x7f, | |
1422 | (unsigned int)0x3ff, | |
1423 | CTRL, | |
1424 | EC); | |
1425 | } | |
1426 | spin_unlock_irqrestore(&codec->reg_lock, flags); | |
1427 | return 0; | |
1428 | } | |
1429 | ||
1430 | ||
1431 | static int snd_ali_capture_prepare(snd_pcm_substream_t * substream) | |
1432 | { | |
1433 | ali_t *codec = snd_pcm_substream_chip(substream); | |
1434 | snd_pcm_runtime_t *runtime = substream->runtime; | |
1435 | snd_ali_voice_t *pvoice = (snd_ali_voice_t *) runtime->private_data; | |
1436 | unsigned long flags; | |
1437 | unsigned int LBA; | |
1438 | unsigned int Delta; | |
1439 | unsigned int ESO; | |
1440 | unsigned int CTRL; | |
1441 | unsigned int GVSEL; | |
1442 | unsigned int PAN; | |
1443 | unsigned int VOL; | |
1444 | unsigned int EC; | |
1445 | u8 bValue; | |
1446 | ||
1447 | spin_lock_irqsave(&codec->reg_lock, flags); | |
1448 | ||
1449 | snd_ali_printk("capture_prepare...\n"); | |
1450 | ||
1451 | snd_ali_enable_special_channel(codec,pvoice->number); | |
1452 | ||
1453 | Delta = snd_ali_convert_rate(runtime->rate, 1); | |
1454 | ||
1455 | // Prepare capture intr channel | |
1456 | if (pvoice->number == ALI_SPDIF_IN_CHANNEL) { | |
1457 | ||
1458 | unsigned int rate; | |
1459 | ||
1460 | if (codec->revision != ALI_5451_V02) { | |
1461 | spin_unlock_irqrestore(&codec->reg_lock, flags); | |
1462 | return -1; | |
1463 | } | |
1464 | rate = snd_ali_get_spdif_in_rate(codec); | |
1465 | if (rate == 0) { | |
1466 | snd_printk("ali_capture_preapre: spdif rate detect err!\n"); | |
1467 | rate = 48000; | |
1468 | } | |
1469 | bValue = inb(ALI_REG(codec,ALI_SPDIF_CTRL)); | |
1470 | if (bValue & 0x10) { | |
1471 | outb(bValue,ALI_REG(codec,ALI_SPDIF_CTRL)); | |
1472 | printk("clear SPDIF parity error flag.\n"); | |
1473 | } | |
1474 | ||
1475 | if (rate != 48000) | |
1476 | Delta = ((rate << 12)/runtime->rate)&0x00ffff; | |
1477 | } | |
1478 | ||
1479 | // set target ESO for channel | |
1480 | pvoice->eso = runtime->buffer_size; | |
1481 | ||
1482 | // set interrupt count size | |
1483 | pvoice->count = runtime->period_size; | |
1484 | ||
1485 | // set Loop Back Address | |
1486 | LBA = runtime->dma_addr; | |
1487 | ||
1488 | // set ESO to capture first MIDLP interrupt | |
1489 | ESO = pvoice->eso - 1; | |
1490 | CTRL = snd_ali_control_mode(substream); | |
1491 | GVSEL = 0; | |
1492 | PAN = 0x00; | |
1493 | VOL = 0x00; | |
1494 | EC = 0; | |
1495 | ||
1496 | snd_ali_write_voice_regs( codec, | |
1497 | pvoice->number, | |
1498 | LBA, | |
1499 | 0, /* cso */ | |
1500 | ESO, | |
1501 | Delta, | |
1502 | 0, /* alpha */ | |
1503 | GVSEL, | |
1504 | PAN, | |
1505 | VOL, | |
1506 | CTRL, | |
1507 | EC); | |
1508 | ||
1509 | ||
1510 | spin_unlock_irqrestore(&codec->reg_lock, flags); | |
1511 | ||
1512 | return 0; | |
1513 | } | |
1514 | ||
1515 | ||
1516 | static snd_pcm_uframes_t snd_ali_playback_pointer(snd_pcm_substream_t *substream) | |
1517 | { | |
1518 | ali_t *codec = snd_pcm_substream_chip(substream); | |
1519 | snd_pcm_runtime_t *runtime = substream->runtime; | |
1520 | snd_ali_voice_t *pvoice = (snd_ali_voice_t *) runtime->private_data; | |
1521 | unsigned int cso; | |
1522 | ||
1523 | spin_lock(&codec->reg_lock); | |
1524 | if (!pvoice->running) { | |
1525 | spin_unlock(&codec->reg_lock); | |
1526 | return 0; | |
1527 | } | |
1528 | outb(pvoice->number, ALI_REG(codec, ALI_GC_CIR)); | |
1529 | cso = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2)); | |
1530 | spin_unlock(&codec->reg_lock); | |
1531 | snd_ali_printk("playback pointer returned cso=%xh.\n", cso); | |
1532 | ||
1533 | return cso; | |
1534 | } | |
1535 | ||
1536 | ||
1537 | static snd_pcm_uframes_t snd_ali_capture_pointer(snd_pcm_substream_t *substream) | |
1538 | { | |
1539 | ali_t *codec = snd_pcm_substream_chip(substream); | |
1540 | snd_pcm_runtime_t *runtime = substream->runtime; | |
1541 | snd_ali_voice_t *pvoice = (snd_ali_voice_t *) runtime->private_data; | |
1542 | unsigned int cso; | |
1543 | unsigned long flags; | |
1544 | ||
1545 | spin_lock_irqsave(&codec->reg_lock, flags); | |
1546 | if (!pvoice->running) { | |
1547 | spin_unlock_irqrestore(&codec->reg_lock, flags); | |
1548 | return 0; | |
1549 | } | |
1550 | outb(pvoice->number, ALI_REG(codec, ALI_GC_CIR)); | |
1551 | cso = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2)); | |
1552 | spin_unlock_irqrestore(&codec->reg_lock, flags); | |
1553 | ||
1554 | return cso; | |
1555 | } | |
1556 | ||
1557 | static snd_pcm_hardware_t snd_ali_playback = | |
1558 | { | |
1559 | .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | | |
1560 | SNDRV_PCM_INFO_BLOCK_TRANSFER | | |
1561 | SNDRV_PCM_INFO_MMAP_VALID | | |
1562 | SNDRV_PCM_INFO_RESUME | | |
1563 | SNDRV_PCM_INFO_SYNC_START), | |
1564 | .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | | |
1565 | SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE), | |
1566 | .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, | |
1567 | .rate_min = 4000, | |
1568 | .rate_max = 48000, | |
1569 | .channels_min = 1, | |
1570 | .channels_max = 2, | |
1571 | .buffer_bytes_max = (256*1024), | |
1572 | .period_bytes_min = 64, | |
1573 | .period_bytes_max = (256*1024), | |
1574 | .periods_min = 1, | |
1575 | .periods_max = 1024, | |
1576 | .fifo_size = 0, | |
1577 | }; | |
1578 | ||
1579 | /* | |
1580 | * Capture support device description | |
1581 | */ | |
1582 | ||
1583 | static snd_pcm_hardware_t snd_ali_capture = | |
1584 | { | |
1585 | .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | | |
1586 | SNDRV_PCM_INFO_BLOCK_TRANSFER | | |
1587 | SNDRV_PCM_INFO_MMAP_VALID | | |
1588 | SNDRV_PCM_INFO_RESUME | | |
1589 | SNDRV_PCM_INFO_SYNC_START), | |
1590 | .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | | |
1591 | SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE), | |
1592 | .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, | |
1593 | .rate_min = 4000, | |
1594 | .rate_max = 48000, | |
1595 | .channels_min = 1, | |
1596 | .channels_max = 2, | |
1597 | .buffer_bytes_max = (128*1024), | |
1598 | .period_bytes_min = 64, | |
1599 | .period_bytes_max = (128*1024), | |
1600 | .periods_min = 1, | |
1601 | .periods_max = 1024, | |
1602 | .fifo_size = 0, | |
1603 | }; | |
1604 | ||
1605 | static void snd_ali_pcm_free_substream(snd_pcm_runtime_t *runtime) | |
1606 | { | |
1607 | unsigned long flags; | |
1608 | snd_ali_voice_t *pvoice = (snd_ali_voice_t *) runtime->private_data; | |
1609 | ali_t *codec; | |
1610 | ||
1611 | if (pvoice) { | |
1612 | codec = pvoice->codec; | |
1613 | spin_lock_irqsave(&codec->reg_lock, flags); | |
1614 | snd_ali_free_voice(pvoice->codec, pvoice); | |
1615 | spin_unlock_irqrestore(&codec->reg_lock, flags); | |
1616 | } | |
1617 | } | |
1618 | ||
1619 | static int snd_ali_playback_open(snd_pcm_substream_t * substream) | |
1620 | { | |
1621 | ali_t *codec = snd_pcm_substream_chip(substream); | |
1622 | snd_pcm_runtime_t *runtime = substream->runtime; | |
1623 | snd_ali_voice_t *pvoice; | |
1624 | unsigned long flags = 0; | |
1625 | ||
1626 | spin_lock_irqsave(&codec->reg_lock, flags); | |
1627 | pvoice = snd_ali_alloc_voice(codec, SNDRV_ALI_VOICE_TYPE_PCM, 0); | |
1628 | if (pvoice == NULL) { | |
1629 | spin_unlock_irqrestore(&codec->reg_lock, flags); | |
1630 | return -EAGAIN; | |
1631 | } | |
1632 | pvoice->codec = codec; | |
1633 | spin_unlock_irqrestore(&codec->reg_lock, flags); | |
1634 | ||
1635 | pvoice->substream = substream; | |
1636 | runtime->private_data = pvoice; | |
1637 | runtime->private_free = snd_ali_pcm_free_substream; | |
1638 | ||
1639 | runtime->hw = snd_ali_playback; | |
1640 | snd_pcm_set_sync(substream); | |
1641 | snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 0, 64*1024); | |
1642 | return 0; | |
1643 | } | |
1644 | ||
1645 | ||
1646 | static int snd_ali_capture_open(snd_pcm_substream_t * substream) | |
1647 | { | |
1648 | ali_t *codec = snd_pcm_substream_chip(substream); | |
1649 | snd_pcm_runtime_t *runtime = substream->runtime; | |
1650 | snd_ali_voice_t *pvoice; | |
1651 | unsigned long flags; | |
1652 | ||
1653 | spin_lock_irqsave(&codec->reg_lock, flags); | |
1654 | pvoice = snd_ali_alloc_voice(codec, SNDRV_ALI_VOICE_TYPE_PCM, 1); | |
1655 | if (pvoice == NULL) { | |
1656 | spin_unlock_irqrestore(&codec->reg_lock, flags); | |
1657 | return -EAGAIN; | |
1658 | } | |
1659 | pvoice->codec = codec; | |
1660 | spin_unlock_irqrestore(&codec->reg_lock, flags); | |
1661 | ||
1662 | pvoice->substream = substream; | |
1663 | runtime->private_data = pvoice; | |
1664 | runtime->private_free = snd_ali_pcm_free_substream; | |
1665 | runtime->hw = snd_ali_capture; | |
1666 | snd_pcm_set_sync(substream); | |
1667 | snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 0, 64*1024); | |
1668 | return 0; | |
1669 | } | |
1670 | ||
1671 | ||
1672 | static int snd_ali_playback_close(snd_pcm_substream_t * substream) | |
1673 | { | |
1674 | return 0; | |
1675 | } | |
1676 | ||
1677 | static int snd_ali_capture_close(snd_pcm_substream_t * substream) | |
1678 | { | |
1679 | ali_t *codec = snd_pcm_substream_chip(substream); | |
1680 | snd_pcm_runtime_t *runtime = substream->runtime; | |
1681 | snd_ali_voice_t *pvoice = (snd_ali_voice_t *) runtime->private_data; | |
1682 | ||
1683 | snd_ali_disable_special_channel(codec,pvoice->number); | |
1684 | ||
1685 | return 0; | |
1686 | } | |
1687 | ||
1688 | static snd_pcm_ops_t snd_ali_playback_ops = { | |
1689 | .open = snd_ali_playback_open, | |
1690 | .close = snd_ali_playback_close, | |
1691 | .ioctl = snd_ali_ioctl, | |
1692 | .hw_params = snd_ali_playback_hw_params, | |
1693 | .hw_free = snd_ali_playback_hw_free, | |
1694 | .prepare = snd_ali_playback_prepare, | |
1695 | .trigger = snd_ali_trigger, | |
1696 | .pointer = snd_ali_playback_pointer, | |
1697 | }; | |
1698 | ||
1699 | static snd_pcm_ops_t snd_ali_capture_ops = { | |
1700 | .open = snd_ali_capture_open, | |
1701 | .close = snd_ali_capture_close, | |
1702 | .ioctl = snd_ali_ioctl, | |
1703 | .hw_params = snd_ali_capture_hw_params, | |
1704 | .hw_free = snd_ali_capture_hw_free, | |
1705 | .prepare = snd_ali_capture_prepare, | |
1706 | .trigger = snd_ali_trigger, | |
1707 | .pointer = snd_ali_capture_pointer, | |
1708 | }; | |
1709 | ||
1710 | ||
1711 | static void snd_ali_pcm_free(snd_pcm_t *pcm) | |
1712 | { | |
1713 | ali_t *codec = pcm->private_data; | |
1714 | codec->pcm = NULL; | |
1715 | } | |
1716 | ||
1717 | static int __devinit snd_ali_pcm(ali_t * codec, int device, snd_pcm_t ** rpcm) | |
1718 | { | |
1719 | snd_pcm_t *pcm; | |
1720 | int err; | |
1721 | ||
1722 | if (rpcm) *rpcm = NULL; | |
1723 | err = snd_pcm_new(codec->card, "ALI 5451", device, ALI_CHANNELS, 1, &pcm); | |
1724 | if (err < 0) { | |
1725 | snd_printk("snd_ali_pcm: err called snd_pcm_new.\n"); | |
1726 | return err; | |
1727 | } | |
1728 | pcm->private_data = codec; | |
1729 | pcm->private_free = snd_ali_pcm_free; | |
1730 | pcm->info_flags = 0; | |
1731 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ali_playback_ops); | |
1732 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_ali_capture_ops); | |
1733 | ||
1734 | snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, | |
1735 | snd_dma_pci_data(codec->pci), 64*1024, 128*1024); | |
1736 | ||
1737 | pcm->info_flags = 0; | |
1738 | pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; | |
1739 | strcpy(pcm->name, "ALI 5451"); | |
1740 | codec->pcm = pcm; | |
1741 | if (rpcm) *rpcm = pcm; | |
1742 | return 0; | |
1743 | } | |
1744 | ||
1745 | #define ALI5451_SPDIF(xname, xindex, value) \ | |
1746 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\ | |
1747 | .info = snd_ali5451_spdif_info, .get = snd_ali5451_spdif_get, \ | |
1748 | .put = snd_ali5451_spdif_put, .private_value = value} | |
1749 | ||
1750 | static int snd_ali5451_spdif_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) | |
1751 | { | |
1752 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; | |
1753 | uinfo->count = 1; | |
1754 | uinfo->value.integer.min = 0; | |
1755 | uinfo->value.integer.max = 1; | |
1756 | return 0; | |
1757 | } | |
1758 | ||
1759 | static int snd_ali5451_spdif_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) | |
1760 | { | |
1761 | unsigned long flags; | |
1762 | ali_t *codec = kcontrol->private_data; | |
1763 | unsigned int enable; | |
1764 | ||
1765 | enable = ucontrol->value.integer.value[0] ? 1 : 0; | |
1766 | ||
1767 | spin_lock_irqsave(&codec->reg_lock, flags); | |
1768 | switch(kcontrol->private_value) { | |
1769 | case 0: | |
1770 | enable = (codec->spdif_mask & 0x02) ? 1 : 0; | |
1771 | break; | |
1772 | case 1: | |
1773 | enable = ((codec->spdif_mask & 0x02) && (codec->spdif_mask & 0x04)) ? 1 : 0; | |
1774 | break; | |
1775 | case 2: | |
1776 | enable = (codec->spdif_mask & 0x01) ? 1 : 0; | |
1777 | break; | |
1778 | default: | |
1779 | break; | |
1780 | } | |
1781 | ucontrol->value.integer.value[0] = enable; | |
1782 | spin_unlock_irqrestore(&codec->reg_lock, flags); | |
1783 | return 0; | |
1784 | } | |
1785 | ||
1786 | static int snd_ali5451_spdif_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) | |
1787 | { | |
1788 | unsigned long flags; | |
1789 | ali_t *codec = kcontrol->private_data; | |
1790 | unsigned int change = 0, enable = 0; | |
1791 | ||
1792 | enable = ucontrol->value.integer.value[0] ? 1 : 0; | |
1793 | ||
1794 | spin_lock_irqsave(&codec->reg_lock, flags); | |
1795 | switch (kcontrol->private_value) { | |
1796 | case 0: | |
1797 | change = (codec->spdif_mask & 0x02) ? 1 : 0; | |
1798 | change = change ^ enable; | |
1799 | if (change) { | |
1800 | if (enable) { | |
1801 | codec->spdif_mask |= 0x02; | |
1802 | snd_ali_enable_spdif_out(codec); | |
1803 | } else { | |
1804 | codec->spdif_mask &= ~(0x02); | |
1805 | codec->spdif_mask &= ~(0x04); | |
1806 | snd_ali_disable_spdif_out(codec); | |
1807 | } | |
1808 | } | |
1809 | break; | |
1810 | case 1: | |
1811 | change = (codec->spdif_mask & 0x04) ? 1 : 0; | |
1812 | change = change ^ enable; | |
1813 | if (change && (codec->spdif_mask & 0x02)) { | |
1814 | if (enable) { | |
1815 | codec->spdif_mask |= 0x04; | |
1816 | snd_ali_enable_spdif_chnout(codec); | |
1817 | } else { | |
1818 | codec->spdif_mask &= ~(0x04); | |
1819 | snd_ali_disable_spdif_chnout(codec); | |
1820 | } | |
1821 | } | |
1822 | break; | |
1823 | case 2: | |
1824 | change = (codec->spdif_mask & 0x01) ? 1 : 0; | |
1825 | change = change ^ enable; | |
1826 | if (change) { | |
1827 | if (enable) { | |
1828 | codec->spdif_mask |= 0x01; | |
1829 | snd_ali_enable_spdif_in(codec); | |
1830 | } else { | |
1831 | codec->spdif_mask &= ~(0x01); | |
1832 | snd_ali_disable_spdif_in(codec); | |
1833 | } | |
1834 | } | |
1835 | break; | |
1836 | default: | |
1837 | break; | |
1838 | } | |
1839 | spin_unlock_irqrestore(&codec->reg_lock, flags); | |
1840 | ||
1841 | return change; | |
1842 | } | |
1843 | ||
1844 | static snd_kcontrol_new_t snd_ali5451_mixer_spdif[] __devinitdata = { | |
1845 | /* spdif aplayback switch */ | |
1846 | /* FIXME: "IEC958 Playback Switch" may conflict with one on ac97_codec */ | |
1847 | ALI5451_SPDIF("IEC958 Output switch", 0, 0), | |
1848 | /* spdif out to spdif channel */ | |
1849 | ALI5451_SPDIF("IEC958 Channel Output Switch", 0, 1), | |
1850 | /* spdif in from spdif channel */ | |
1851 | ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), 0, 2) | |
1852 | }; | |
1853 | ||
1854 | static void snd_ali_mixer_free_ac97_bus(ac97_bus_t *bus) | |
1855 | { | |
1856 | ali_t *codec = bus->private_data; | |
1857 | codec->ac97_bus = NULL; | |
1858 | } | |
1859 | ||
1860 | static void snd_ali_mixer_free_ac97(ac97_t *ac97) | |
1861 | { | |
1862 | ali_t *codec = ac97->private_data; | |
1863 | codec->ac97 = NULL; | |
1864 | } | |
1865 | ||
1866 | static int __devinit snd_ali_mixer(ali_t * codec) | |
1867 | { | |
1868 | ac97_template_t ac97; | |
1869 | unsigned int idx; | |
1870 | int err; | |
1871 | static ac97_bus_ops_t ops = { | |
1872 | .write = snd_ali_codec_write, | |
1873 | .read = snd_ali_codec_read, | |
1874 | }; | |
1875 | ||
1876 | if ((err = snd_ac97_bus(codec->card, 0, &ops, codec, &codec->ac97_bus)) < 0) | |
1877 | return err; | |
1878 | codec->ac97_bus->private_free = snd_ali_mixer_free_ac97_bus; | |
1879 | ||
1880 | memset(&ac97, 0, sizeof(ac97)); | |
1881 | ac97.private_data = codec; | |
1882 | ac97.private_free = snd_ali_mixer_free_ac97; | |
1883 | if ((err = snd_ac97_mixer(codec->ac97_bus, &ac97, &codec->ac97)) < 0) { | |
1884 | snd_printk("ali mixer creating error.\n"); | |
1885 | return err; | |
1886 | } | |
1887 | if (codec->spdif_support) { | |
1888 | for(idx = 0; idx < ARRAY_SIZE(snd_ali5451_mixer_spdif); idx++) { | |
1889 | err=snd_ctl_add(codec->card, snd_ctl_new1(&snd_ali5451_mixer_spdif[idx], codec)); | |
1890 | if (err < 0) return err; | |
1891 | } | |
1892 | } | |
1893 | return 0; | |
1894 | } | |
1895 | ||
1896 | #ifdef CONFIG_PM | |
1897 | static int ali_suspend(snd_card_t *card, pm_message_t state) | |
1898 | { | |
1899 | ali_t *chip = card->pm_private_data; | |
1900 | ali_image_t *im; | |
1901 | int i, j; | |
1902 | ||
1903 | im = chip->image; | |
1904 | if (! im) | |
1905 | return 0; | |
1906 | ||
1907 | snd_pcm_suspend_all(chip->pcm); | |
1908 | snd_ac97_suspend(chip->ac97); | |
1909 | ||
1910 | spin_lock_irq(&chip->reg_lock); | |
1911 | ||
1912 | im->regs[ALI_MISCINT >> 2] = inl(ALI_REG(chip, ALI_MISCINT)); | |
1913 | // im->regs[ALI_START >> 2] = inl(ALI_REG(chip, ALI_START)); | |
1914 | im->regs[ALI_STOP >> 2] = inl(ALI_REG(chip, ALI_STOP)); | |
1915 | ||
1916 | // disable all IRQ bits | |
1917 | outl(0, ALI_REG(chip, ALI_MISCINT)); | |
1918 | ||
1919 | for (i = 0; i < ALI_GLOBAL_REGS; i++) { | |
1920 | if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP)) | |
1921 | continue; | |
1922 | im->regs[i] = inl(ALI_REG(chip, i*4)); | |
1923 | } | |
1924 | ||
1925 | for (i = 0; i < ALI_CHANNELS; i++) { | |
1926 | outb(i, ALI_REG(chip, ALI_GC_CIR)); | |
1927 | for (j = 0; j < ALI_CHANNEL_REGS; j++) | |
1928 | im->channel_regs[i][j] = inl(ALI_REG(chip, j*4 + 0xe0)); | |
1929 | } | |
1930 | ||
1931 | // stop all HW channel | |
1932 | outl(0xffffffff, ALI_REG(chip, ALI_STOP)); | |
1933 | ||
1934 | spin_unlock_irq(&chip->reg_lock); | |
1935 | pci_disable_device(chip->pci); | |
1936 | return 0; | |
1937 | } | |
1938 | ||
1939 | static int ali_resume(snd_card_t *card) | |
1940 | { | |
1941 | ali_t *chip = card->pm_private_data; | |
1942 | ali_image_t *im; | |
1943 | int i, j; | |
1944 | ||
1945 | im = chip->image; | |
1946 | if (! im) | |
1947 | return 0; | |
1948 | ||
1949 | pci_enable_device(chip->pci); | |
1950 | ||
1951 | spin_lock_irq(&chip->reg_lock); | |
1952 | ||
1953 | for (i = 0; i < ALI_CHANNELS; i++) { | |
1954 | outb(i, ALI_REG(chip, ALI_GC_CIR)); | |
1955 | for (j = 0; j < ALI_CHANNEL_REGS; j++) | |
1956 | outl(im->channel_regs[i][j], ALI_REG(chip, j*4 + 0xe0)); | |
1957 | } | |
1958 | ||
1959 | for (i = 0; i < ALI_GLOBAL_REGS; i++) { | |
1960 | if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP) || (i*4 == ALI_START)) | |
1961 | continue; | |
1962 | outl(im->regs[i], ALI_REG(chip, i*4)); | |
1963 | } | |
1964 | ||
1965 | // start HW channel | |
1966 | outl(im->regs[ALI_START >> 2], ALI_REG(chip, ALI_START)); | |
1967 | // restore IRQ enable bits | |
1968 | outl(im->regs[ALI_MISCINT >> 2], ALI_REG(chip, ALI_MISCINT)); | |
1969 | ||
1970 | spin_unlock_irq(&chip->reg_lock); | |
1971 | ||
1972 | snd_ac97_resume(chip->ac97); | |
1973 | ||
1974 | return 0; | |
1975 | } | |
1976 | #endif /* CONFIG_PM */ | |
1977 | ||
1978 | static int snd_ali_free(ali_t * codec) | |
1979 | { | |
1980 | if (codec->hw_initialized) | |
1981 | snd_ali_disable_address_interrupt(codec); | |
1982 | if (codec->irq >= 0) { | |
1983 | synchronize_irq(codec->irq); | |
1984 | free_irq(codec->irq, (void *)codec); | |
1985 | } | |
1986 | if (codec->port) | |
1987 | pci_release_regions(codec->pci); | |
1988 | pci_disable_device(codec->pci); | |
1989 | #ifdef CONFIG_PM | |
1990 | kfree(codec->image); | |
1991 | #endif | |
1992 | kfree(codec); | |
1993 | return 0; | |
1994 | } | |
1995 | ||
1996 | static int snd_ali_chip_init(ali_t *codec) | |
1997 | { | |
1998 | unsigned int legacy; | |
1999 | unsigned char temp; | |
2000 | struct pci_dev *pci_dev = NULL; | |
2001 | ||
2002 | snd_ali_printk("chip initializing ... \n"); | |
2003 | ||
2004 | if (snd_ali_reset_5451(codec)) { | |
2005 | snd_printk("ali_chip_init: reset 5451 error.\n"); | |
2006 | return -1; | |
2007 | } | |
2008 | ||
2009 | if (codec->revision == ALI_5451_V02) { | |
2010 | pci_dev = codec->pci_m1533; | |
2011 | pci_read_config_byte(pci_dev, 0x59, &temp); | |
2012 | temp |= 0x80; | |
2013 | pci_write_config_byte(pci_dev, 0x59, temp); | |
2014 | ||
2015 | pci_dev = codec->pci_m7101; | |
2016 | pci_read_config_byte(pci_dev, 0xb8, &temp); | |
2017 | temp |= 0x20; | |
2018 | pci_write_config_byte(pci_dev, 0xB8, temp); | |
2019 | } | |
2020 | ||
2021 | pci_read_config_dword(codec->pci, 0x44, &legacy); | |
2022 | legacy &= 0xff00ff00; | |
2023 | legacy |= 0x000800aa; | |
2024 | pci_write_config_dword(codec->pci, 0x44, legacy); | |
2025 | ||
2026 | outl(0x80000001, ALI_REG(codec, ALI_GLOBAL_CONTROL)); | |
2027 | outl(0x00000000, ALI_REG(codec, ALI_AINTEN)); | |
2028 | outl(0xffffffff, ALI_REG(codec, ALI_AINT)); | |
2029 | outl(0x00000000, ALI_REG(codec, ALI_VOLUME)); | |
2030 | outb(0x10, ALI_REG(codec, ALI_MPUR2)); | |
2031 | ||
2032 | codec->ac97_ext_id = snd_ali_codec_peek(codec, 0, AC97_EXTENDED_ID); | |
2033 | codec->ac97_ext_status = snd_ali_codec_peek(codec, 0, AC97_EXTENDED_STATUS); | |
2034 | if (codec->spdif_support) { | |
2035 | snd_ali_enable_spdif_out(codec); | |
2036 | codec->spdif_mask = 0x00000002; | |
2037 | } | |
2038 | ||
2039 | snd_ali_printk("chip initialize succeed.\n"); | |
2040 | return 0; | |
2041 | ||
2042 | } | |
2043 | ||
2044 | static int __devinit snd_ali_resources(ali_t *codec) | |
2045 | { | |
2046 | int err; | |
2047 | ||
2048 | snd_ali_printk("resouces allocation ...\n"); | |
2049 | if ((err = pci_request_regions(codec->pci, "ALI 5451")) < 0) | |
2050 | return err; | |
2051 | codec->port = pci_resource_start(codec->pci, 0); | |
2052 | ||
2053 | if (request_irq(codec->pci->irq, snd_ali_card_interrupt, SA_INTERRUPT|SA_SHIRQ, "ALI 5451", (void *)codec)) { | |
2054 | snd_printk("Unable to request irq.\n"); | |
2055 | return -EBUSY; | |
2056 | } | |
2057 | codec->irq = codec->pci->irq; | |
2058 | snd_ali_printk("resouces allocated.\n"); | |
2059 | return 0; | |
2060 | } | |
2061 | static int snd_ali_dev_free(snd_device_t *device) | |
2062 | { | |
2063 | ali_t *codec=device->device_data; | |
2064 | snd_ali_free(codec); | |
2065 | return 0; | |
2066 | } | |
2067 | ||
2068 | static int __devinit snd_ali_create(snd_card_t * card, | |
2069 | struct pci_dev *pci, | |
2070 | int pcm_streams, | |
2071 | int spdif_support, | |
2072 | ali_t ** r_ali) | |
2073 | { | |
2074 | ali_t *codec; | |
2075 | int i, err; | |
2076 | unsigned short cmdw = 0; | |
2077 | struct pci_dev *pci_dev = NULL; | |
2078 | static snd_device_ops_t ops = { | |
2079 | (snd_dev_free_t *)snd_ali_dev_free, | |
2080 | NULL, | |
2081 | NULL | |
2082 | }; | |
2083 | ||
2084 | *r_ali = NULL; | |
2085 | ||
2086 | snd_ali_printk("creating ...\n"); | |
2087 | ||
2088 | /* enable PCI device */ | |
2089 | if ((err = pci_enable_device(pci)) < 0) | |
2090 | return err; | |
2091 | /* check, if we can restrict PCI DMA transfers to 31 bits */ | |
2092 | if (pci_set_dma_mask(pci, 0x7fffffff) < 0 || | |
2093 | pci_set_consistent_dma_mask(pci, 0x7fffffff) < 0) { | |
2094 | snd_printk("architecture does not support 31bit PCI busmaster DMA\n"); | |
2095 | pci_disable_device(pci); | |
2096 | return -ENXIO; | |
2097 | } | |
2098 | ||
2099 | if ((codec = kcalloc(1, sizeof(*codec), GFP_KERNEL)) == NULL) { | |
2100 | pci_disable_device(pci); | |
2101 | return -ENOMEM; | |
2102 | } | |
2103 | ||
2104 | spin_lock_init(&codec->reg_lock); | |
2105 | spin_lock_init(&codec->voice_alloc); | |
2106 | ||
2107 | codec->card = card; | |
2108 | codec->pci = pci; | |
2109 | codec->irq = -1; | |
2110 | pci_read_config_byte(pci, PCI_REVISION_ID, &codec->revision); | |
2111 | codec->spdif_support = spdif_support; | |
2112 | ||
2113 | if (pcm_streams < 1) | |
2114 | pcm_streams = 1; | |
2115 | if (pcm_streams > 32) | |
2116 | pcm_streams = 32; | |
2117 | ||
2118 | pci_set_master(pci); | |
2119 | pci_read_config_word(pci, PCI_COMMAND, &cmdw); | |
2120 | if ((cmdw & PCI_COMMAND_IO) != PCI_COMMAND_IO) { | |
2121 | cmdw |= PCI_COMMAND_IO; | |
2122 | pci_write_config_word(pci, PCI_COMMAND, cmdw); | |
2123 | } | |
2124 | pci_set_master(pci); | |
2125 | ||
2126 | if (snd_ali_resources(codec)) { | |
2127 | snd_ali_free(codec); | |
2128 | return -EBUSY; | |
2129 | } | |
2130 | ||
2131 | synchronize_irq(pci->irq); | |
2132 | ||
2133 | codec->synth.chmap = 0; | |
2134 | codec->synth.chcnt = 0; | |
2135 | codec->spdif_mask = 0; | |
2136 | codec->synth.synthcount = 0; | |
2137 | ||
2138 | if (codec->revision == ALI_5451_V02) | |
2139 | codec->chregs.regs.ac97read = ALI_AC97_WRITE; | |
2140 | else | |
2141 | codec->chregs.regs.ac97read = ALI_AC97_READ; | |
2142 | codec->chregs.regs.ac97write = ALI_AC97_WRITE; | |
2143 | ||
2144 | codec->chregs.regs.start = ALI_START; | |
2145 | codec->chregs.regs.stop = ALI_STOP; | |
2146 | codec->chregs.regs.aint = ALI_AINT; | |
2147 | codec->chregs.regs.ainten = ALI_AINTEN; | |
2148 | ||
2149 | codec->chregs.data.start = 0x00; | |
2150 | codec->chregs.data.stop = 0x00; | |
2151 | codec->chregs.data.aint = 0x00; | |
2152 | codec->chregs.data.ainten = 0x00; | |
2153 | ||
2154 | /* M1533: southbridge */ | |
2155 | pci_dev = pci_find_device(0x10b9, 0x1533, NULL); | |
2156 | codec->pci_m1533 = pci_dev; | |
2157 | if (! codec->pci_m1533) { | |
2158 | snd_printk(KERN_ERR "ali5451: cannot find ALi 1533 chip.\n"); | |
2159 | snd_ali_free(codec); | |
2160 | return -ENODEV; | |
2161 | } | |
2162 | /* M7101: power management */ | |
2163 | pci_dev = pci_find_device(0x10b9, 0x7101, NULL); | |
2164 | codec->pci_m7101 = pci_dev; | |
2165 | if (! codec->pci_m7101 && codec->revision == ALI_5451_V02) { | |
2166 | snd_printk(KERN_ERR "ali5451: cannot find ALi 7101 chip.\n"); | |
2167 | snd_ali_free(codec); | |
2168 | return -ENODEV; | |
2169 | } | |
2170 | ||
2171 | snd_ali_printk("snd_device_new is called.\n"); | |
2172 | if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, codec, &ops)) < 0) { | |
2173 | snd_ali_free(codec); | |
2174 | return err; | |
2175 | } | |
2176 | ||
2177 | /* initialise synth voices*/ | |
2178 | for (i = 0; i < ALI_CHANNELS; i++ ) { | |
2179 | codec->synth.voices[i].number = i; | |
2180 | } | |
2181 | ||
2182 | if ((err = snd_ali_chip_init(codec)) < 0) { | |
2183 | snd_printk("ali create: chip init error.\n"); | |
2184 | return err; | |
2185 | } | |
2186 | ||
2187 | #ifdef CONFIG_PM | |
2188 | codec->image = kmalloc(sizeof(*codec->image), GFP_KERNEL); | |
2189 | if (! codec->image) | |
2190 | snd_printk(KERN_WARNING "can't allocate apm buffer\n"); | |
2191 | else | |
2192 | snd_card_set_pm_callback(card, ali_suspend, ali_resume, codec); | |
2193 | #endif | |
2194 | ||
2195 | snd_ali_enable_address_interrupt(codec); | |
2196 | codec->hw_initialized = 1; | |
2197 | ||
2198 | *r_ali = codec; | |
2199 | snd_ali_printk("created.\n"); | |
2200 | return 0; | |
2201 | } | |
2202 | ||
2203 | static int __devinit snd_ali_probe(struct pci_dev *pci, | |
2204 | const struct pci_device_id *pci_id) | |
2205 | { | |
2206 | static int dev; | |
2207 | snd_card_t *card; | |
2208 | ali_t *codec; | |
2209 | int err; | |
2210 | ||
2211 | snd_ali_printk("probe ...\n"); | |
2212 | ||
2213 | if (dev >= SNDRV_CARDS) | |
2214 | return -ENODEV; | |
2215 | if (!enable[dev]) { | |
2216 | dev++; | |
2217 | return -ENOENT; | |
2218 | } | |
2219 | ||
2220 | card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0); | |
2221 | if (card == NULL) | |
2222 | return -ENOMEM; | |
2223 | ||
2224 | if ((err = snd_ali_create(card, pci, pcm_channels[dev], spdif[dev], &codec)) < 0) { | |
2225 | snd_card_free(card); | |
2226 | return err; | |
2227 | } | |
2228 | ||
2229 | snd_ali_printk("mixer building ...\n"); | |
2230 | if ((err = snd_ali_mixer(codec)) < 0) { | |
2231 | snd_card_free(card); | |
2232 | return err; | |
2233 | } | |
2234 | ||
2235 | snd_ali_printk("pcm building ...\n"); | |
2236 | if ((err = snd_ali_pcm(codec, 0, NULL)) < 0) { | |
2237 | snd_card_free(card); | |
2238 | return err; | |
2239 | } | |
2240 | ||
2241 | strcpy(card->driver, "ALI5451"); | |
2242 | strcpy(card->shortname, "ALI 5451"); | |
2243 | ||
2244 | sprintf(card->longname, "%s at 0x%lx, irq %li", | |
2245 | card->shortname, codec->port, codec->irq); | |
2246 | ||
2247 | snd_ali_printk("register card.\n"); | |
2248 | if ((err = snd_card_register(card)) < 0) { | |
2249 | snd_card_free(card); | |
2250 | return err; | |
2251 | } | |
2252 | pci_set_drvdata(pci, card); | |
2253 | dev++; | |
2254 | return 0; | |
2255 | } | |
2256 | ||
2257 | static void __devexit snd_ali_remove(struct pci_dev *pci) | |
2258 | { | |
2259 | snd_card_free(pci_get_drvdata(pci)); | |
2260 | pci_set_drvdata(pci, NULL); | |
2261 | } | |
2262 | ||
2263 | static struct pci_driver driver = { | |
2264 | .name = "ALI 5451", | |
2265 | .id_table = snd_ali_ids, | |
2266 | .probe = snd_ali_probe, | |
2267 | .remove = __devexit_p(snd_ali_remove), | |
2268 | SND_PCI_PM_CALLBACKS | |
2269 | }; | |
2270 | ||
2271 | static int __init alsa_card_ali_init(void) | |
2272 | { | |
2273 | return pci_module_init(&driver); | |
2274 | } | |
2275 | ||
2276 | static void __exit alsa_card_ali_exit(void) | |
2277 | { | |
2278 | pci_unregister_driver(&driver); | |
2279 | } | |
2280 | ||
2281 | module_init(alsa_card_ali_init) | |
2282 | module_exit(alsa_card_ali_exit) |