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galaxy.c
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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 
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;
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 __devinit 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 __devinit 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 __devinit 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 __devinit 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 __devinit 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;
202 };
203 
204 static u32 config[SNDRV_CARDS];
205 static u8 wss_config[SNDRV_CARDS];
206 
207 static int __devinit 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:
239  break;
240  case 0x604:
242  break;
243  case 0xe80:
245  break;
246  case 0xf40:
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:
320  break;
321  case 0x330:
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 __devinit 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 __devinit 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 {
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 __devinit 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 __devinit 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);
489  }
490  if (galaxy->config_port) {
491  galaxy_set_config(galaxy, galaxy->config);
492  ioport_unmap(galaxy->config_port);
494  }
495  if (galaxy->port) {
496  ioport_unmap(galaxy->port);
498  }
499 }
500 
501 static int __devinit 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_create(index[n], id[n], THIS_MODULE, sizeof *galaxy,
510  &card);
511  if (err < 0)
512  return err;
513 
514  snd_card_set_dev(card, dev);
515 
516  card->private_free = snd_galaxy_free;
517  galaxy = card->private_data;
518 
519  galaxy->res_port = request_region(port[n], 16, DRV_NAME);
520  if (!galaxy->res_port) {
521  dev_err(dev, "could not grab ports %#lx-%#lx\n", port[n],
522  port[n] + 15);
523  err = -EBUSY;
524  goto error;
525  }
526  galaxy->port = ioport_map(port[n], 16);
527 
528  err = galaxy_init(galaxy, &type);
529  if (err < 0) {
530  dev_err(dev, "did not find a Sound Galaxy at %#lx\n", port[n]);
531  goto error;
532  }
533  dev_info(dev, "Sound Galaxy (type %d) found at %#lx\n", type, port[n]);
534 
536  16, DRV_NAME);
537  if (!galaxy->res_config_port) {
538  dev_err(dev, "could not grab ports %#lx-%#lx\n",
539  port[n] + GALAXY_PORT_CONFIG,
540  port[n] + GALAXY_PORT_CONFIG + 15);
541  err = -EBUSY;
542  goto error;
543  }
544  galaxy->config_port = ioport_map(port[n] + GALAXY_PORT_CONFIG, 16);
545 
546  galaxy_config(galaxy, config[n]);
547 
548  galaxy->res_wss_port = request_region(wss_port[n], 4, DRV_NAME);
549  if (!galaxy->res_wss_port) {
550  dev_err(dev, "could not grab ports %#lx-%#lx\n", wss_port[n],
551  wss_port[n] + 3);
552  err = -EBUSY;
553  goto error;
554  }
555  galaxy->wss_port = ioport_map(wss_port[n], 4);
556 
557  err = galaxy_wss_config(galaxy, wss_config[n]);
558  if (err < 0) {
559  dev_err(dev, "could not configure WSS\n");
560  goto error;
561  }
562 
563  strcpy(card->driver, DRV_NAME);
564  strcpy(card->shortname, DRV_NAME);
565  sprintf(card->longname, "%s at %#lx/%#lx, irq %d, dma %d/%d",
566  card->shortname, port[n], wss_port[n], irq[n], dma1[n],
567  dma2[n]);
568 
569  err = snd_wss_create(card, wss_port[n] + 4, -1, irq[n], dma1[n],
570  dma2[n], WSS_HW_DETECT, 0, &chip);
571  if (err < 0)
572  goto error;
573 
574  err = snd_wss_pcm(chip, 0, NULL);
575  if (err < 0)
576  goto error;
577 
578  err = snd_wss_mixer(chip);
579  if (err < 0)
580  goto error;
581 
582  err = snd_wss_timer(chip, 0, NULL);
583  if (err < 0)
584  goto error;
585 
586  if (mpu_port[n] >= 0) {
587  err = snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401,
588  mpu_port[n], 0, mpu_irq[n], NULL);
589  if (err < 0)
590  goto error;
591  }
592 
593  if (fm_port[n] >= 0) {
594  struct snd_opl3 *opl3;
595 
596  err = snd_opl3_create(card, fm_port[n], fm_port[n] + 2,
597  OPL3_HW_AUTO, 0, &opl3);
598  if (err < 0) {
599  dev_err(dev, "no OPL device at %#lx\n", fm_port[n]);
600  goto error;
601  }
602  err = snd_opl3_timer_new(opl3, 1, 2);
603  if (err < 0)
604  goto error;
605 
606  err = snd_opl3_hwdep_new(opl3, 0, 1, NULL);
607  if (err < 0)
608  goto error;
609  }
610 
611  err = snd_card_register(card);
612  if (err < 0)
613  goto error;
614 
615  dev_set_drvdata(dev, card);
616  return 0;
617 
618 error:
619  snd_card_free(card);
620  return err;
621 }
622 
623 static int __devexit snd_galaxy_remove(struct device *dev, unsigned int n)
624 {
626  dev_set_drvdata(dev, NULL);
627  return 0;
628 }
629 
630 static struct isa_driver snd_galaxy_driver = {
631  .match = snd_galaxy_match,
632  .probe = snd_galaxy_probe,
633  .remove = __devexit_p(snd_galaxy_remove),
634 
635  .driver = {
636  .name = DEV_NAME
637  }
638 };
639 
640 static int __init alsa_card_galaxy_init(void)
641 {
642  return isa_register_driver(&snd_galaxy_driver, SNDRV_CARDS);
643 }
644 
645 static void __exit alsa_card_galaxy_exit(void)
646 {
647  isa_unregister_driver(&snd_galaxy_driver);
648 }
649 
650 module_init(alsa_card_galaxy_init);
651 module_exit(alsa_card_galaxy_exit);