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KEYS: add missing permission check for request_key() destination
[linux/fpc-iii.git] / sound / isa / galaxy / galaxy.c
blob1eb2b1ec0fd93c8a288a521f8e35f184ee7ebd69
1 /*
2 * Aztech AZT1605/AZT2316 Driver
3 * Copyright (C) 2007,2010 Rene Herman
4 *
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 *
18 */
19
20 #include <linux/kernel.h>
21 #include <linux/module.h>
22 #include <linux/isa.h>
23 #include <linux/delay.h>
24 #include <linux/io.h>
25 #include <asm/processor.h>
26 #include <sound/core.h>
27 #include <sound/initval.h>
28 #include <sound/wss.h>
29 #include <sound/mpu401.h>
30 #include <sound/opl3.h>
31
32 MODULE_DESCRIPTION(CRD_NAME);
33 MODULE_AUTHOR("Rene Herman");
34 MODULE_LICENSE("GPL");
35
36 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
37 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
38 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;
39
40 module_param_array(index, int, NULL, 0444);
41 MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
42 module_param_array(id, charp, NULL, 0444);
43 MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
44 module_param_array(enable, bool, NULL, 0444);
45 MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
46
47 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
48 static long wss_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
49 static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
50 static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
51 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;
52 static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;
53 static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;
54 static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;
55
56 module_param_array(port, long, NULL, 0444);
57 MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
58 module_param_array(wss_port, long, NULL, 0444);
59 MODULE_PARM_DESC(wss_port, "WSS port # for " CRD_NAME " driver.");
60 module_param_array(mpu_port, long, NULL, 0444);
61 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " CRD_NAME " driver.");
62 module_param_array(fm_port, long, NULL, 0444);
63 MODULE_PARM_DESC(fm_port, "FM port # for " CRD_NAME " driver.");
64 module_param_array(irq, int, NULL, 0444);
65 MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
66 module_param_array(mpu_irq, int, NULL, 0444);
67 MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " CRD_NAME " driver.");
68 module_param_array(dma1, int, NULL, 0444);
69 MODULE_PARM_DESC(dma1, "Playback DMA # for " CRD_NAME " driver.");
70 module_param_array(dma2, int, NULL, 0444);
71 MODULE_PARM_DESC(dma2, "Capture DMA # for " CRD_NAME " driver.");
72
73 /*
74 * Generic SB DSP support routines
75 */
76
77 #define DSP_PORT_RESET 0x6
78 #define DSP_PORT_READ 0xa
79 #define DSP_PORT_COMMAND 0xc
80 #define DSP_PORT_STATUS 0xc
81 #define DSP_PORT_DATA_AVAIL 0xe
82
83 #define DSP_SIGNATURE 0xaa
84
85 #define DSP_COMMAND_GET_VERSION 0xe1
86
87 static int dsp_get_byte(void __iomem *port, u8 *val)
88 {
89 int loops = 1000;
90
91 while (!(ioread8(port + DSP_PORT_DATA_AVAIL) & 0x80)) {
92 if (!loops--)
93 return -EIO;
94 cpu_relax();
95 }
96 *val = ioread8(port + DSP_PORT_READ);
97 return 0;
98 }
99
100 static int dsp_reset(void __iomem *port)
101 {
102 u8 val;
103
104 iowrite8(1, port + DSP_PORT_RESET);
105 udelay(10);
106 iowrite8(0, port + DSP_PORT_RESET);
107
108 if (dsp_get_byte(port, &val) < 0 || val != DSP_SIGNATURE)
109 return -ENODEV;
110
111 return 0;
112 }
113
114 static int dsp_command(void __iomem *port, u8 cmd)
115 {
116 int loops = 1000;
117
118 while (ioread8(port + DSP_PORT_STATUS) & 0x80) {
119 if (!loops--)
120 return -EIO;
121 cpu_relax();
122 }
123 iowrite8(cmd, port + DSP_PORT_COMMAND);
124 return 0;
125 }
126
127 static int dsp_get_version(void __iomem *port, u8 *major, u8 *minor)
128 {
129 int err;
130
131 err = dsp_command(port, DSP_COMMAND_GET_VERSION);
132 if (err < 0)
133 return err;
134
135 err = dsp_get_byte(port, major);
136 if (err < 0)
137 return err;
138
139 err = dsp_get_byte(port, minor);
140 if (err < 0)
141 return err;
142
143 return 0;
144 }
145
146 /*
147 * Generic WSS support routines
148 */
149
150 #define WSS_CONFIG_DMA_0 (1 << 0)
151 #define WSS_CONFIG_DMA_1 (2 << 0)
152 #define WSS_CONFIG_DMA_3 (3 << 0)
153 #define WSS_CONFIG_DUPLEX (1 << 2)
154 #define WSS_CONFIG_IRQ_7 (1 << 3)
155 #define WSS_CONFIG_IRQ_9 (2 << 3)
156 #define WSS_CONFIG_IRQ_10 (3 << 3)
157 #define WSS_CONFIG_IRQ_11 (4 << 3)
158
159 #define WSS_PORT_CONFIG 0
160 #define WSS_PORT_SIGNATURE 3
161
162 #define WSS_SIGNATURE 4
163
164 static int wss_detect(void __iomem *wss_port)
165 {
166 if ((ioread8(wss_port + WSS_PORT_SIGNATURE) & 0x3f) != WSS_SIGNATURE)
167 return -ENODEV;
168
169 return 0;
170 }
171
172 static void wss_set_config(void __iomem *wss_port, u8 wss_config)
173 {
174 iowrite8(wss_config, wss_port + WSS_PORT_CONFIG);
175 }
176
177 /*
178 * Aztech Sound Galaxy specifics
179 */
180
181 #define GALAXY_PORT_CONFIG 1024
182 #define CONFIG_PORT_SET 4
183
184 #define DSP_COMMAND_GALAXY_8 8
185 #define GALAXY_COMMAND_GET_TYPE 5
186
187 #define DSP_COMMAND_GALAXY_9 9
188 #define GALAXY_COMMAND_WSSMODE 0
189 #define GALAXY_COMMAND_SB8MODE 1
190
191 #define GALAXY_MODE_WSS GALAXY_COMMAND_WSSMODE
192 #define GALAXY_MODE_SB8 GALAXY_COMMAND_SB8MODE
193
194 struct snd_galaxy {
195 void __iomem *port;
196 void __iomem *config_port;
197 void __iomem *wss_port;
198 u32 config;
199 struct resource *res_port;
200 struct resource *res_config_port;
201 struct resource *res_wss_port;
202 };
203
204 static u32 config[SNDRV_CARDS];
205 static u8 wss_config[SNDRV_CARDS];
206
207 static int snd_galaxy_match(struct device *dev, unsigned int n)
208 {
209 if (!enable[n])
210 return 0;
211
212 switch (port[n]) {
213 case SNDRV_AUTO_PORT:
214 dev_err(dev, "please specify port\n");
215 return 0;
216 case 0x220:
217 config[n] |= GALAXY_CONFIG_SBA_220;
218 break;
219 case 0x240:
220 config[n] |= GALAXY_CONFIG_SBA_240;
221 break;
222 case 0x260:
223 config[n] |= GALAXY_CONFIG_SBA_260;
224 break;
225 case 0x280:
226 config[n] |= GALAXY_CONFIG_SBA_280;
227 break;
228 default:
229 dev_err(dev, "invalid port %#lx\n", port[n]);
230 return 0;
231 }
232
233 switch (wss_port[n]) {
234 case SNDRV_AUTO_PORT:
235 dev_err(dev, "please specify wss_port\n");
236 return 0;
237 case 0x530:
238 config[n] |= GALAXY_CONFIG_WSS_ENABLE | GALAXY_CONFIG_WSSA_530;
239 break;
240 case 0x604:
241 config[n] |= GALAXY_CONFIG_WSS_ENABLE | GALAXY_CONFIG_WSSA_604;
242 break;
243 case 0xe80:
244 config[n] |= GALAXY_CONFIG_WSS_ENABLE | GALAXY_CONFIG_WSSA_E80;
245 break;
246 case 0xf40:
247 config[n] |= GALAXY_CONFIG_WSS_ENABLE | GALAXY_CONFIG_WSSA_F40;
248 break;
249 default:
250 dev_err(dev, "invalid WSS port %#lx\n", wss_port[n]);
251 return 0;
252 }
253
254 switch (irq[n]) {
255 case SNDRV_AUTO_IRQ:
256 dev_err(dev, "please specify irq\n");
257 return 0;
258 case 7:
259 wss_config[n] |= WSS_CONFIG_IRQ_7;
260 break;
261 case 2:
262 irq[n] = 9;
263 case 9:
264 wss_config[n] |= WSS_CONFIG_IRQ_9;
265 break;
266 case 10:
267 wss_config[n] |= WSS_CONFIG_IRQ_10;
268 break;
269 case 11:
270 wss_config[n] |= WSS_CONFIG_IRQ_11;
271 break;
272 default:
273 dev_err(dev, "invalid IRQ %d\n", irq[n]);
274 return 0;
275 }
276
277 switch (dma1[n]) {
278 case SNDRV_AUTO_DMA:
279 dev_err(dev, "please specify dma1\n");
280 return 0;
281 case 0:
282 wss_config[n] |= WSS_CONFIG_DMA_0;
283 break;
284 case 1:
285 wss_config[n] |= WSS_CONFIG_DMA_1;
286 break;
287 case 3:
288 wss_config[n] |= WSS_CONFIG_DMA_3;
289 break;
290 default:
291 dev_err(dev, "invalid playback DMA %d\n", dma1[n]);
292 return 0;
293 }
294
295 if (dma2[n] == SNDRV_AUTO_DMA || dma2[n] == dma1[n]) {
296 dma2[n] = -1;
297 goto mpu;
298 }
299
300 wss_config[n] |= WSS_CONFIG_DUPLEX;
301 switch (dma2[n]) {
302 case 0:
303 break;
304 case 1:
305 if (dma1[n] == 0)
306 break;
307 default:
308 dev_err(dev, "invalid capture DMA %d\n", dma2[n]);
309 return 0;
310 }
311
312 mpu:
313 switch (mpu_port[n]) {
314 case SNDRV_AUTO_PORT:
315 dev_warn(dev, "mpu_port not specified; not using MPU-401\n");
316 mpu_port[n] = -1;
317 goto fm;
318 case 0x300:
319 config[n] |= GALAXY_CONFIG_MPU_ENABLE | GALAXY_CONFIG_MPUA_300;
320 break;
321 case 0x330:
322 config[n] |= GALAXY_CONFIG_MPU_ENABLE | GALAXY_CONFIG_MPUA_330;
323 break;
324 default:
325 dev_err(dev, "invalid MPU port %#lx\n", mpu_port[n]);
326 return 0;
327 }
328
329 switch (mpu_irq[n]) {
330 case SNDRV_AUTO_IRQ:
331 dev_warn(dev, "mpu_irq not specified: using polling mode\n");
332 mpu_irq[n] = -1;
333 break;
334 case 2:
335 mpu_irq[n] = 9;
336 case 9:
337 config[n] |= GALAXY_CONFIG_MPUIRQ_2;
338 break;
339 #ifdef AZT1605
340 case 3:
341 config[n] |= GALAXY_CONFIG_MPUIRQ_3;
342 break;
343 #endif
344 case 5:
345 config[n] |= GALAXY_CONFIG_MPUIRQ_5;
346 break;
347 case 7:
348 config[n] |= GALAXY_CONFIG_MPUIRQ_7;
349 break;
350 #ifdef AZT2316
351 case 10:
352 config[n] |= GALAXY_CONFIG_MPUIRQ_10;
353 break;
354 #endif
355 default:
356 dev_err(dev, "invalid MPU IRQ %d\n", mpu_irq[n]);
357 return 0;
358 }
359
360 if (mpu_irq[n] == irq[n]) {
361 dev_err(dev, "cannot share IRQ between WSS and MPU-401\n");
362 return 0;
363 }
364
365 fm:
366 switch (fm_port[n]) {
367 case SNDRV_AUTO_PORT:
368 dev_warn(dev, "fm_port not specified: not using OPL3\n");
369 fm_port[n] = -1;
370 break;
371 case 0x388:
372 break;
373 default:
374 dev_err(dev, "illegal FM port %#lx\n", fm_port[n]);
375 return 0;
376 }
377
378 config[n] |= GALAXY_CONFIG_GAME_ENABLE;
379 return 1;
380 }
381
382 static int galaxy_init(struct snd_galaxy *galaxy, u8 *type)
383 {
384 u8 major;
385 u8 minor;
386 int err;
387
388 err = dsp_reset(galaxy->port);
389 if (err < 0)
390 return err;
391
392 err = dsp_get_version(galaxy->port, &major, &minor);
393 if (err < 0)
394 return err;
395
396 if (major != GALAXY_DSP_MAJOR || minor != GALAXY_DSP_MINOR)
397 return -ENODEV;
398
399 err = dsp_command(galaxy->port, DSP_COMMAND_GALAXY_8);
400 if (err < 0)
401 return err;
402
403 err = dsp_command(galaxy->port, GALAXY_COMMAND_GET_TYPE);
404 if (err < 0)
405 return err;
406
407 err = dsp_get_byte(galaxy->port, type);
408 if (err < 0)
409 return err;
410
411 return 0;
412 }
413
414 static int galaxy_set_mode(struct snd_galaxy *galaxy, u8 mode)
415 {
416 int err;
417
418 err = dsp_command(galaxy->port, DSP_COMMAND_GALAXY_9);
419 if (err < 0)
420 return err;
421
422 err = dsp_command(galaxy->port, mode);
423 if (err < 0)
424 return err;
425
426 #ifdef AZT1605
427 /*
428 * Needed for MPU IRQ on AZT1605, but AZT2316 loses WSS again
429 */
430 err = dsp_reset(galaxy->port);
431 if (err < 0)
432 return err;
433 #endif
434
435 return 0;
436 }
437
438 static void galaxy_set_config(struct snd_galaxy *galaxy, u32 config)
439 {
440 u8 tmp = ioread8(galaxy->config_port + CONFIG_PORT_SET);
441 int i;
442
443 iowrite8(tmp | 0x80, galaxy->config_port + CONFIG_PORT_SET);
444 for (i = 0; i < GALAXY_CONFIG_SIZE; i++) {
445 iowrite8(config, galaxy->config_port + i);
446 config >>= 8;
447 }
448 iowrite8(tmp & 0x7f, galaxy->config_port + CONFIG_PORT_SET);
449 msleep(10);
450 }
451
452 static void galaxy_config(struct snd_galaxy *galaxy, u32 config)
453 {
454 int i;
455
456 for (i = GALAXY_CONFIG_SIZE; i; i--) {
457 u8 tmp = ioread8(galaxy->config_port + i - 1);
458 galaxy->config = (galaxy->config << 8) | tmp;
459 }
460 config |= galaxy->config & GALAXY_CONFIG_MASK;
461 galaxy_set_config(galaxy, config);
462 }
463
464 static int galaxy_wss_config(struct snd_galaxy *galaxy, u8 wss_config)
465 {
466 int err;
467
468 err = wss_detect(galaxy->wss_port);
469 if (err < 0)
470 return err;
471
472 wss_set_config(galaxy->wss_port, wss_config);
473
474 err = galaxy_set_mode(galaxy, GALAXY_MODE_WSS);
475 if (err < 0)
476 return err;
477
478 return 0;
479 }
480
481 static void snd_galaxy_free(struct snd_card *card)
482 {
483 struct snd_galaxy *galaxy = card->private_data;
484
485 if (galaxy->wss_port) {
486 wss_set_config(galaxy->wss_port, 0);
487 ioport_unmap(galaxy->wss_port);
488 release_and_free_resource(galaxy->res_wss_port);
489 }
490 if (galaxy->config_port) {
491 galaxy_set_config(galaxy, galaxy->config);
492 ioport_unmap(galaxy->config_port);
493 release_and_free_resource(galaxy->res_config_port);
494 }
495 if (galaxy->port) {
496 ioport_unmap(galaxy->port);
497 release_and_free_resource(galaxy->res_port);
498 }
499 }
500
501 static int snd_galaxy_probe(struct device *dev, unsigned int n)
502 {
503 struct snd_galaxy *galaxy;
504 struct snd_wss *chip;
505 struct snd_card *card;
506 u8 type;
507 int err;
508
509 err = snd_card_new(dev, index[n], id[n], THIS_MODULE,
510 sizeof(*galaxy), &card);
511 if (err < 0)
512 return err;
513
514 card->private_free = snd_galaxy_free;
515 galaxy = card->private_data;
516
517 galaxy->res_port = request_region(port[n], 16, DRV_NAME);
518 if (!galaxy->res_port) {
519 dev_err(dev, "could not grab ports %#lx-%#lx\n", port[n],
520 port[n] + 15);
521 err = -EBUSY;
522 goto error;
523 }
524 galaxy->port = ioport_map(port[n], 16);
525
526 err = galaxy_init(galaxy, &type);
527 if (err < 0) {
528 dev_err(dev, "did not find a Sound Galaxy at %#lx\n", port[n]);
529 goto error;
530 }
531 dev_info(dev, "Sound Galaxy (type %d) found at %#lx\n", type, port[n]);
532
533 galaxy->res_config_port = request_region(port[n] + GALAXY_PORT_CONFIG,
534 16, DRV_NAME);
535 if (!galaxy->res_config_port) {
536 dev_err(dev, "could not grab ports %#lx-%#lx\n",
537 port[n] + GALAXY_PORT_CONFIG,
538 port[n] + GALAXY_PORT_CONFIG + 15);
539 err = -EBUSY;
540 goto error;
541 }
542 galaxy->config_port = ioport_map(port[n] + GALAXY_PORT_CONFIG, 16);
543
544 galaxy_config(galaxy, config[n]);
545
546 galaxy->res_wss_port = request_region(wss_port[n], 4, DRV_NAME);
547 if (!galaxy->res_wss_port) {
548 dev_err(dev, "could not grab ports %#lx-%#lx\n", wss_port[n],
549 wss_port[n] + 3);
550 err = -EBUSY;
551 goto error;
552 }
553 galaxy->wss_port = ioport_map(wss_port[n], 4);
554
555 err = galaxy_wss_config(galaxy, wss_config[n]);
556 if (err < 0) {
557 dev_err(dev, "could not configure WSS\n");
558 goto error;
559 }
560
561 strcpy(card->driver, DRV_NAME);
562 strcpy(card->shortname, DRV_NAME);
563 sprintf(card->longname, "%s at %#lx/%#lx, irq %d, dma %d/%d",
564 card->shortname, port[n], wss_port[n], irq[n], dma1[n],
565 dma2[n]);
566
567 err = snd_wss_create(card, wss_port[n] + 4, -1, irq[n], dma1[n],
568 dma2[n], WSS_HW_DETECT, 0, &chip);
569 if (err < 0)
570 goto error;
571
572 err = snd_wss_pcm(chip, 0, NULL);
573 if (err < 0)
574 goto error;
575
576 err = snd_wss_mixer(chip);
577 if (err < 0)
578 goto error;
579
580 err = snd_wss_timer(chip, 0, NULL);
581 if (err < 0)
582 goto error;
583
584 if (mpu_port[n] >= 0) {
585 err = snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401,
586 mpu_port[n], 0, mpu_irq[n], NULL);
587 if (err < 0)
588 goto error;
589 }
590
591 if (fm_port[n] >= 0) {
592 struct snd_opl3 *opl3;
593
594 err = snd_opl3_create(card, fm_port[n], fm_port[n] + 2,
595 OPL3_HW_AUTO, 0, &opl3);
596 if (err < 0) {
597 dev_err(dev, "no OPL device at %#lx\n", fm_port[n]);
598 goto error;
599 }
600 err = snd_opl3_timer_new(opl3, 1, 2);
601 if (err < 0)
602 goto error;
603
604 err = snd_opl3_hwdep_new(opl3, 0, 1, NULL);
605 if (err < 0)
606 goto error;
607 }
608
609 err = snd_card_register(card);
610 if (err < 0)
611 goto error;
612
613 dev_set_drvdata(dev, card);
614 return 0;
615
616 error:
617 snd_card_free(card);
618 return err;
619 }
620
621 static int snd_galaxy_remove(struct device *dev, unsigned int n)
622 {
623 snd_card_free(dev_get_drvdata(dev));
624 return 0;
625 }
626
627 static struct isa_driver snd_galaxy_driver = {
628 .match = snd_galaxy_match,
629 .probe = snd_galaxy_probe,
630 .remove = snd_galaxy_remove,
631
632 .driver = {
633 .name = DEV_NAME
634 }
635 };
636
637 static int __init alsa_card_galaxy_init(void)
638 {
639 return isa_register_driver(&snd_galaxy_driver, SNDRV_CARDS);
640 }
641
642 static void __exit alsa_card_galaxy_exit(void)
643 {
644 isa_unregister_driver(&snd_galaxy_driver);
645 }
646
647 module_init(alsa_card_galaxy_init);
648 module_exit(alsa_card_galaxy_exit);
Linux with added FPC-III support