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