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1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Driver for Gallant SC-6000 soundcard. This card is also known as
4 * Audio Excel DSP 16 or Zoltrix AV302.
5 * These cards use CompuMedia ASC-9308 chip + AD1848 codec.
6 * SC-6600 and SC-7000 cards are also supported. They are based on
7 * CompuMedia ASC-9408 chip and CS4231 codec.
8 *
9 * Copyright (C) 2007 Krzysztof Helt <krzysztof.h1@wp.pl>
10 *
11 * I don't have documentation for this card. I used the driver
12 * for OSS/Free included in the kernel source as reference.
13 */
14
15#include <linux/module.h>
16#include <linux/delay.h>
17#include <linux/isa.h>
18#include <linux/io.h>
19#include <asm/dma.h>
20#include <sound/core.h>
21#include <sound/wss.h>
22#include <sound/opl3.h>
23#include <sound/mpu401.h>
24#include <sound/control.h>
25#define SNDRV_LEGACY_FIND_FREE_IRQ
26#define SNDRV_LEGACY_FIND_FREE_DMA
27#include <sound/initval.h>
28
29MODULE_AUTHOR("Krzysztof Helt");
30MODULE_DESCRIPTION("Gallant SC-6000");
31MODULE_LICENSE("GPL");
32MODULE_SUPPORTED_DEVICE("{{Gallant, SC-6000},"
33 "{AudioExcel, Audio Excel DSP 16},"
34 "{Zoltrix, AV302}}");
35
36static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
37static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
38static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
39static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220, 0x240 */
40static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5, 7, 9, 10, 11 */
41static long mss_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x530, 0xe80 */
42static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
43 /* 0x300, 0x310, 0x320, 0x330 */
44static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5, 7, 9, 10, 0 */
45static int dma[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0, 1, 3 */
46static bool joystick[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS-1)] = false };
47
48module_param_array(index, int, NULL, 0444);
49MODULE_PARM_DESC(index, "Index value for sc-6000 based soundcard.");
50module_param_array(id, charp, NULL, 0444);
51MODULE_PARM_DESC(id, "ID string for sc-6000 based soundcard.");
52module_param_array(enable, bool, NULL, 0444);
53MODULE_PARM_DESC(enable, "Enable sc-6000 based soundcard.");
54module_param_hw_array(port, long, ioport, NULL, 0444);
55MODULE_PARM_DESC(port, "Port # for sc-6000 driver.");
56module_param_hw_array(mss_port, long, ioport, NULL, 0444);
57MODULE_PARM_DESC(mss_port, "MSS Port # for sc-6000 driver.");
58module_param_hw_array(mpu_port, long, ioport, NULL, 0444);
59MODULE_PARM_DESC(mpu_port, "MPU-401 port # for sc-6000 driver.");
60module_param_hw_array(irq, int, irq, NULL, 0444);
61MODULE_PARM_DESC(irq, "IRQ # for sc-6000 driver.");
62module_param_hw_array(mpu_irq, int, irq, NULL, 0444);
63MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for sc-6000 driver.");
64module_param_hw_array(dma, int, dma, NULL, 0444);
65MODULE_PARM_DESC(dma, "DMA # for sc-6000 driver.");
66module_param_array(joystick, bool, NULL, 0444);
67MODULE_PARM_DESC(joystick, "Enable gameport.");
68
69/*
70 * Commands of SC6000's DSP (SBPRO+special).
71 * Some of them are COMMAND_xx, in the future they may change.
72 */
73#define WRITE_MDIRQ_CFG 0x50 /* Set M&I&DRQ mask (the real config) */
74#define COMMAND_52 0x52 /* */
75#define READ_HARD_CFG 0x58 /* Read Hardware Config (I/O base etc) */
76#define COMMAND_5C 0x5c /* */
77#define COMMAND_60 0x60 /* */
78#define COMMAND_66 0x66 /* */
79#define COMMAND_6C 0x6c /* */
80#define COMMAND_6E 0x6e /* */
81#define COMMAND_88 0x88 /* Unknown command */
82#define DSP_INIT_MSS 0x8c /* Enable Microsoft Sound System mode */
83#define COMMAND_C5 0xc5 /* */
84#define GET_DSP_VERSION 0xe1 /* Get DSP Version */
85#define GET_DSP_COPYRIGHT 0xe3 /* Get DSP Copyright */
86
87/*
88 * Offsets of SC6000 DSP I/O ports. The offset is added to base I/O port
89 * to have the actual I/O port.
90 * Register permissions are:
91 * (wo) == Write Only
92 * (ro) == Read Only
93 * (w-) == Write
94 * (r-) == Read
95 */
96#define DSP_RESET 0x06 /* offset of DSP RESET (wo) */
97#define DSP_READ 0x0a /* offset of DSP READ (ro) */
98#define DSP_WRITE 0x0c /* offset of DSP WRITE (w-) */
99#define DSP_COMMAND 0x0c /* offset of DSP COMMAND (w-) */
100#define DSP_STATUS 0x0c /* offset of DSP STATUS (r-) */
101#define DSP_DATAVAIL 0x0e /* offset of DSP DATA AVAILABLE (ro) */
102
103#define PFX "sc6000: "
104#define DRV_NAME "SC-6000"
105
106/* hardware dependent functions */
107
108/*
109 * sc6000_irq_to_softcfg - Decode irq number into cfg code.
110 */
111static unsigned char sc6000_irq_to_softcfg(int irq)
112{
113 unsigned char val = 0;
114
115 switch (irq) {
116 case 5:
117 val = 0x28;
118 break;
119 case 7:
120 val = 0x8;
121 break;
122 case 9:
123 val = 0x10;
124 break;
125 case 10:
126 val = 0x18;
127 break;
128 case 11:
129 val = 0x20;
130 break;
131 default:
132 break;
133 }
134 return val;
135}
136
137/*
138 * sc6000_dma_to_softcfg - Decode dma number into cfg code.
139 */
140static unsigned char sc6000_dma_to_softcfg(int dma)
141{
142 unsigned char val = 0;
143
144 switch (dma) {
145 case 0:
146 val = 1;
147 break;
148 case 1:
149 val = 2;
150 break;
151 case 3:
152 val = 3;
153 break;
154 default:
155 break;
156 }
157 return val;
158}
159
160/*
161 * sc6000_mpu_irq_to_softcfg - Decode MPU-401 irq number into cfg code.
162 */
163static unsigned char sc6000_mpu_irq_to_softcfg(int mpu_irq)
164{
165 unsigned char val = 0;
166
167 switch (mpu_irq) {
168 case 5:
169 val = 4;
170 break;
171 case 7:
172 val = 0x44;
173 break;
174 case 9:
175 val = 0x84;
176 break;
177 case 10:
178 val = 0xc4;
179 break;
180 default:
181 break;
182 }
183 return val;
184}
185
186static int sc6000_wait_data(char __iomem *vport)
187{
188 int loop = 1000;
189 unsigned char val = 0;
190
191 do {
192 val = ioread8(vport + DSP_DATAVAIL);
193 if (val & 0x80)
194 return 0;
195 cpu_relax();
196 } while (loop--);
197
198 return -EAGAIN;
199}
200
201static int sc6000_read(char __iomem *vport)
202{
203 if (sc6000_wait_data(vport))
204 return -EBUSY;
205
206 return ioread8(vport + DSP_READ);
207
208}
209
210static int sc6000_write(char __iomem *vport, int cmd)
211{
212 unsigned char val;
213 int loop = 500000;
214
215 do {
216 val = ioread8(vport + DSP_STATUS);
217 /*
218 * DSP ready to receive data if bit 7 of val == 0
219 */
220 if (!(val & 0x80)) {
221 iowrite8(cmd, vport + DSP_COMMAND);
222 return 0;
223 }
224 cpu_relax();
225 } while (loop--);
226
227 snd_printk(KERN_ERR "DSP Command (0x%x) timeout.\n", cmd);
228
229 return -EIO;
230}
231
232static int sc6000_dsp_get_answer(char __iomem *vport, int command,
233 char *data, int data_len)
234{
235 int len = 0;
236
237 if (sc6000_write(vport, command)) {
238 snd_printk(KERN_ERR "CMD 0x%x: failed!\n", command);
239 return -EIO;
240 }
241
242 do {
243 int val = sc6000_read(vport);
244
245 if (val < 0)
246 break;
247
248 data[len++] = val;
249
250 } while (len < data_len);
251
252 /*
253 * If no more data available, return to the caller, no error if len>0.
254 * We have no other way to know when the string is finished.
255 */
256 return len ? len : -EIO;
257}
258
259static int sc6000_dsp_reset(char __iomem *vport)
260{
261 iowrite8(1, vport + DSP_RESET);
262 udelay(10);
263 iowrite8(0, vport + DSP_RESET);
264 udelay(20);
265 if (sc6000_read(vport) == 0xaa)
266 return 0;
267 return -ENODEV;
268}
269
270/* detection and initialization */
271static int sc6000_hw_cfg_write(char __iomem *vport, const int *cfg)
272{
273 if (sc6000_write(vport, COMMAND_6C) < 0) {
274 snd_printk(KERN_WARNING "CMD 0x%x: failed!\n", COMMAND_6C);
275 return -EIO;
276 }
277 if (sc6000_write(vport, COMMAND_5C) < 0) {
278 snd_printk(KERN_ERR "CMD 0x%x: failed!\n", COMMAND_5C);
279 return -EIO;
280 }
281 if (sc6000_write(vport, cfg[0]) < 0) {
282 snd_printk(KERN_ERR "DATA 0x%x: failed!\n", cfg[0]);
283 return -EIO;
284 }
285 if (sc6000_write(vport, cfg[1]) < 0) {
286 snd_printk(KERN_ERR "DATA 0x%x: failed!\n", cfg[1]);
287 return -EIO;
288 }
289 if (sc6000_write(vport, COMMAND_C5) < 0) {
290 snd_printk(KERN_ERR "CMD 0x%x: failed!\n", COMMAND_C5);
291 return -EIO;
292 }
293
294 return 0;
295}
296
297static int sc6000_cfg_write(char __iomem *vport, unsigned char softcfg)
298{
299
300 if (sc6000_write(vport, WRITE_MDIRQ_CFG)) {
301 snd_printk(KERN_ERR "CMD 0x%x: failed!\n", WRITE_MDIRQ_CFG);
302 return -EIO;
303 }
304 if (sc6000_write(vport, softcfg)) {
305 snd_printk(KERN_ERR "sc6000_cfg_write: failed!\n");
306 return -EIO;
307 }
308 return 0;
309}
310
311static int sc6000_setup_board(char __iomem *vport, int config)
312{
313 int loop = 10;
314
315 do {
316 if (sc6000_write(vport, COMMAND_88)) {
317 snd_printk(KERN_ERR "CMD 0x%x: failed!\n",
318 COMMAND_88);
319 return -EIO;
320 }
321 } while ((sc6000_wait_data(vport) < 0) && loop--);
322
323 if (sc6000_read(vport) < 0) {
324 snd_printk(KERN_ERR "sc6000_read after CMD 0x%x: failed\n",
325 COMMAND_88);
326 return -EIO;
327 }
328
329 if (sc6000_cfg_write(vport, config))
330 return -ENODEV;
331
332 return 0;
333}
334
335static int sc6000_init_mss(char __iomem *vport, int config,
336 char __iomem *vmss_port, int mss_config)
337{
338 if (sc6000_write(vport, DSP_INIT_MSS)) {
339 snd_printk(KERN_ERR "sc6000_init_mss [0x%x]: failed!\n",
340 DSP_INIT_MSS);
341 return -EIO;
342 }
343
344 msleep(10);
345
346 if (sc6000_cfg_write(vport, config))
347 return -EIO;
348
349 iowrite8(mss_config, vmss_port);
350
351 return 0;
352}
353
354static void sc6000_hw_cfg_encode(char __iomem *vport, int *cfg,
355 long xport, long xmpu,
356 long xmss_port, int joystick)
357{
358 cfg[0] = 0;
359 cfg[1] = 0;
360 if (xport == 0x240)
361 cfg[0] |= 1;
362 if (xmpu != SNDRV_AUTO_PORT) {
363 cfg[0] |= (xmpu & 0x30) >> 2;
364 cfg[1] |= 0x20;
365 }
366 if (xmss_port == 0xe80)
367 cfg[0] |= 0x10;
368 cfg[0] |= 0x40; /* always set */
369 if (!joystick)
370 cfg[0] |= 0x02;
371 cfg[1] |= 0x80; /* enable WSS system */
372 cfg[1] &= ~0x40; /* disable IDE */
373 snd_printd("hw cfg %x, %x\n", cfg[0], cfg[1]);
374}
375
376static int sc6000_init_board(char __iomem *vport,
377 char __iomem *vmss_port, int dev)
378{
379 char answer[15];
380 char version[2];
381 int mss_config = sc6000_irq_to_softcfg(irq[dev]) |
382 sc6000_dma_to_softcfg(dma[dev]);
383 int config = mss_config |
384 sc6000_mpu_irq_to_softcfg(mpu_irq[dev]);
385 int err;
386 int old = 0;
387
388 err = sc6000_dsp_reset(vport);
389 if (err < 0) {
390 snd_printk(KERN_ERR "sc6000_dsp_reset: failed!\n");
391 return err;
392 }
393
394 memset(answer, 0, sizeof(answer));
395 err = sc6000_dsp_get_answer(vport, GET_DSP_COPYRIGHT, answer, 15);
396 if (err <= 0) {
397 snd_printk(KERN_ERR "sc6000_dsp_copyright: failed!\n");
398 return -ENODEV;
399 }
400 /*
401 * My SC-6000 card return "SC-6000" in DSPCopyright, so
402 * if we have something different, we have to be warned.
403 */
404 if (strncmp("SC-6000", answer, 7))
405 snd_printk(KERN_WARNING "Warning: non SC-6000 audio card!\n");
406
407 if (sc6000_dsp_get_answer(vport, GET_DSP_VERSION, version, 2) < 2) {
408 snd_printk(KERN_ERR "sc6000_dsp_version: failed!\n");
409 return -ENODEV;
410 }
411 printk(KERN_INFO PFX "Detected model: %s, DSP version %d.%d\n",
412 answer, version[0], version[1]);
413
414 /* set configuration */
415 sc6000_write(vport, COMMAND_5C);
416 if (sc6000_read(vport) < 0)
417 old = 1;
418
419 if (!old) {
420 int cfg[2];
421 sc6000_hw_cfg_encode(vport, &cfg[0], port[dev], mpu_port[dev],
422 mss_port[dev], joystick[dev]);
423 if (sc6000_hw_cfg_write(vport, cfg) < 0) {
424 snd_printk(KERN_ERR "sc6000_hw_cfg_write: failed!\n");
425 return -EIO;
426 }
427 }
428 err = sc6000_setup_board(vport, config);
429 if (err < 0) {
430 snd_printk(KERN_ERR "sc6000_setup_board: failed!\n");
431 return -ENODEV;
432 }
433
434 sc6000_dsp_reset(vport);
435
436 if (!old) {
437 sc6000_write(vport, COMMAND_60);
438 sc6000_write(vport, 0x02);
439 sc6000_dsp_reset(vport);
440 }
441
442 err = sc6000_setup_board(vport, config);
443 if (err < 0) {
444 snd_printk(KERN_ERR "sc6000_setup_board: failed!\n");
445 return -ENODEV;
446 }
447 err = sc6000_init_mss(vport, config, vmss_port, mss_config);
448 if (err < 0) {
449 snd_printk(KERN_ERR "Cannot initialize "
450 "Microsoft Sound System mode.\n");
451 return -ENODEV;
452 }
453
454 return 0;
455}
456
457static int snd_sc6000_mixer(struct snd_wss *chip)
458{
459 struct snd_card *card = chip->card;
460 struct snd_ctl_elem_id id1, id2;
461 int err;
462
463 memset(&id1, 0, sizeof(id1));
464 memset(&id2, 0, sizeof(id2));
465 id1.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
466 id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
467 /* reassign AUX0 to FM */
468 strcpy(id1.name, "Aux Playback Switch");
469 strcpy(id2.name, "FM Playback Switch");
470 err = snd_ctl_rename_id(card, &id1, &id2);
471 if (err < 0)
472 return err;
473 strcpy(id1.name, "Aux Playback Volume");
474 strcpy(id2.name, "FM Playback Volume");
475 err = snd_ctl_rename_id(card, &id1, &id2);
476 if (err < 0)
477 return err;
478 /* reassign AUX1 to CD */
479 strcpy(id1.name, "Aux Playback Switch"); id1.index = 1;
480 strcpy(id2.name, "CD Playback Switch");
481 err = snd_ctl_rename_id(card, &id1, &id2);
482 if (err < 0)
483 return err;
484 strcpy(id1.name, "Aux Playback Volume");
485 strcpy(id2.name, "CD Playback Volume");
486 err = snd_ctl_rename_id(card, &id1, &id2);
487 if (err < 0)
488 return err;
489 return 0;
490}
491
492static int snd_sc6000_match(struct device *devptr, unsigned int dev)
493{
494 if (!enable[dev])
495 return 0;
496 if (port[dev] == SNDRV_AUTO_PORT) {
497 printk(KERN_ERR PFX "specify IO port\n");
498 return 0;
499 }
500 if (mss_port[dev] == SNDRV_AUTO_PORT) {
501 printk(KERN_ERR PFX "specify MSS port\n");
502 return 0;
503 }
504 if (port[dev] != 0x220 && port[dev] != 0x240) {
505 printk(KERN_ERR PFX "Port must be 0x220 or 0x240\n");
506 return 0;
507 }
508 if (mss_port[dev] != 0x530 && mss_port[dev] != 0xe80) {
509 printk(KERN_ERR PFX "MSS port must be 0x530 or 0xe80\n");
510 return 0;
511 }
512 if (irq[dev] != SNDRV_AUTO_IRQ && !sc6000_irq_to_softcfg(irq[dev])) {
513 printk(KERN_ERR PFX "invalid IRQ %d\n", irq[dev]);
514 return 0;
515 }
516 if (dma[dev] != SNDRV_AUTO_DMA && !sc6000_dma_to_softcfg(dma[dev])) {
517 printk(KERN_ERR PFX "invalid DMA %d\n", dma[dev]);
518 return 0;
519 }
520 if (mpu_port[dev] != SNDRV_AUTO_PORT &&
521 (mpu_port[dev] & ~0x30L) != 0x300) {
522 printk(KERN_ERR PFX "invalid MPU-401 port %lx\n",
523 mpu_port[dev]);
524 return 0;
525 }
526 if (mpu_port[dev] != SNDRV_AUTO_PORT &&
527 mpu_irq[dev] != SNDRV_AUTO_IRQ && mpu_irq[dev] != 0 &&
528 !sc6000_mpu_irq_to_softcfg(mpu_irq[dev])) {
529 printk(KERN_ERR PFX "invalid MPU-401 IRQ %d\n", mpu_irq[dev]);
530 return 0;
531 }
532 return 1;
533}
534
535static int snd_sc6000_probe(struct device *devptr, unsigned int dev)
536{
537 static const int possible_irqs[] = { 5, 7, 9, 10, 11, -1 };
538 static const int possible_dmas[] = { 1, 3, 0, -1 };
539 int err;
540 int xirq = irq[dev];
541 int xdma = dma[dev];
542 struct snd_card *card;
543 struct snd_wss *chip;
544 struct snd_opl3 *opl3;
545 char __iomem **vport;
546 char __iomem *vmss_port;
547
548
549 err = snd_card_new(devptr, index[dev], id[dev], THIS_MODULE,
550 sizeof(vport), &card);
551 if (err < 0)
552 return err;
553
554 vport = card->private_data;
555 if (xirq == SNDRV_AUTO_IRQ) {
556 xirq = snd_legacy_find_free_irq(possible_irqs);
557 if (xirq < 0) {
558 snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
559 err = -EBUSY;
560 goto err_exit;
561 }
562 }
563
564 if (xdma == SNDRV_AUTO_DMA) {
565 xdma = snd_legacy_find_free_dma(possible_dmas);
566 if (xdma < 0) {
567 snd_printk(KERN_ERR PFX "unable to find a free DMA\n");
568 err = -EBUSY;
569 goto err_exit;
570 }
571 }
572
573 if (!request_region(port[dev], 0x10, DRV_NAME)) {
574 snd_printk(KERN_ERR PFX
575 "I/O port region is already in use.\n");
576 err = -EBUSY;
577 goto err_exit;
578 }
579 *vport = devm_ioport_map(devptr, port[dev], 0x10);
580 if (*vport == NULL) {
581 snd_printk(KERN_ERR PFX
582 "I/O port cannot be iomapped.\n");
583 err = -EBUSY;
584 goto err_unmap1;
585 }
586
587 /* to make it marked as used */
588 if (!request_region(mss_port[dev], 4, DRV_NAME)) {
589 snd_printk(KERN_ERR PFX
590 "SC-6000 port I/O port region is already in use.\n");
591 err = -EBUSY;
592 goto err_unmap1;
593 }
594 vmss_port = devm_ioport_map(devptr, mss_port[dev], 4);
595 if (!vmss_port) {
596 snd_printk(KERN_ERR PFX
597 "MSS port I/O cannot be iomapped.\n");
598 err = -EBUSY;
599 goto err_unmap2;
600 }
601
602 snd_printd("Initializing BASE[0x%lx] IRQ[%d] DMA[%d] MIRQ[%d]\n",
603 port[dev], xirq, xdma,
604 mpu_irq[dev] == SNDRV_AUTO_IRQ ? 0 : mpu_irq[dev]);
605
606 err = sc6000_init_board(*vport, vmss_port, dev);
607 if (err < 0)
608 goto err_unmap2;
609
610 err = snd_wss_create(card, mss_port[dev] + 4, -1, xirq, xdma, -1,
611 WSS_HW_DETECT, 0, &chip);
612 if (err < 0)
613 goto err_unmap2;
614
615 err = snd_wss_pcm(chip, 0);
616 if (err < 0) {
617 snd_printk(KERN_ERR PFX
618 "error creating new WSS PCM device\n");
619 goto err_unmap2;
620 }
621 err = snd_wss_mixer(chip);
622 if (err < 0) {
623 snd_printk(KERN_ERR PFX "error creating new WSS mixer\n");
624 goto err_unmap2;
625 }
626 err = snd_sc6000_mixer(chip);
627 if (err < 0) {
628 snd_printk(KERN_ERR PFX "the mixer rewrite failed\n");
629 goto err_unmap2;
630 }
631 if (snd_opl3_create(card,
632 0x388, 0x388 + 2,
633 OPL3_HW_AUTO, 0, &opl3) < 0) {
634 snd_printk(KERN_ERR PFX "no OPL device at 0x%x-0x%x ?\n",
635 0x388, 0x388 + 2);
636 } else {
637 err = snd_opl3_hwdep_new(opl3, 0, 1, NULL);
638 if (err < 0)
639 goto err_unmap2;
640 }
641
642 if (mpu_port[dev] != SNDRV_AUTO_PORT) {
643 if (mpu_irq[dev] == SNDRV_AUTO_IRQ)
644 mpu_irq[dev] = -1;
645 if (snd_mpu401_uart_new(card, 0,
646 MPU401_HW_MPU401,
647 mpu_port[dev], 0,
648 mpu_irq[dev], NULL) < 0)
649 snd_printk(KERN_ERR "no MPU-401 device at 0x%lx ?\n",
650 mpu_port[dev]);
651 }
652
653 strcpy(card->driver, DRV_NAME);
654 strcpy(card->shortname, "SC-6000");
655 sprintf(card->longname, "Gallant SC-6000 at 0x%lx, irq %d, dma %d",
656 mss_port[dev], xirq, xdma);
657
658 err = snd_card_register(card);
659 if (err < 0)
660 goto err_unmap2;
661
662 dev_set_drvdata(devptr, card);
663 return 0;
664
665err_unmap2:
666 sc6000_setup_board(*vport, 0);
667 release_region(mss_port[dev], 4);
668err_unmap1:
669 release_region(port[dev], 0x10);
670err_exit:
671 snd_card_free(card);
672 return err;
673}
674
675static int snd_sc6000_remove(struct device *devptr, unsigned int dev)
676{
677 struct snd_card *card = dev_get_drvdata(devptr);
678 char __iomem **vport = card->private_data;
679
680 if (sc6000_setup_board(*vport, 0) < 0)
681 snd_printk(KERN_WARNING "sc6000_setup_board failed on exit!\n");
682
683 release_region(port[dev], 0x10);
684 release_region(mss_port[dev], 4);
685
686 snd_card_free(card);
687 return 0;
688}
689
690static struct isa_driver snd_sc6000_driver = {
691 .match = snd_sc6000_match,
692 .probe = snd_sc6000_probe,
693 .remove = snd_sc6000_remove,
694 /* FIXME: suspend/resume */
695 .driver = {
696 .name = DRV_NAME,
697 },
698};
699
700
701module_isa_driver(snd_sc6000_driver, SNDRV_CARDS);
1/*
2 * Driver for Gallant SC-6000 soundcard. This card is also known as
3 * Audio Excel DSP 16 or Zoltrix AV302.
4 * These cards use CompuMedia ASC-9308 chip + AD1848 codec.
5 * SC-6600 and SC-7000 cards are also supported. They are based on
6 * CompuMedia ASC-9408 chip and CS4231 codec.
7 *
8 * Copyright (C) 2007 Krzysztof Helt <krzysztof.h1@wp.pl>
9 *
10 * I don't have documentation for this card. I used the driver
11 * for OSS/Free included in the kernel source as reference.
12 *
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
17 *
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
22 *
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26 */
27
28#include <linux/module.h>
29#include <linux/delay.h>
30#include <linux/isa.h>
31#include <linux/io.h>
32#include <asm/dma.h>
33#include <sound/core.h>
34#include <sound/wss.h>
35#include <sound/opl3.h>
36#include <sound/mpu401.h>
37#include <sound/control.h>
38#define SNDRV_LEGACY_FIND_FREE_IRQ
39#define SNDRV_LEGACY_FIND_FREE_DMA
40#include <sound/initval.h>
41
42MODULE_AUTHOR("Krzysztof Helt");
43MODULE_DESCRIPTION("Gallant SC-6000");
44MODULE_LICENSE("GPL");
45MODULE_SUPPORTED_DEVICE("{{Gallant, SC-6000},"
46 "{AudioExcel, Audio Excel DSP 16},"
47 "{Zoltrix, AV302}}");
48
49static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
50static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
51static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
52static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220, 0x240 */
53static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5, 7, 9, 10, 11 */
54static long mss_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x530, 0xe80 */
55static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
56 /* 0x300, 0x310, 0x320, 0x330 */
57static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5, 7, 9, 10, 0 */
58static int dma[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0, 1, 3 */
59static bool joystick[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS-1)] = false };
60
61module_param_array(index, int, NULL, 0444);
62MODULE_PARM_DESC(index, "Index value for sc-6000 based soundcard.");
63module_param_array(id, charp, NULL, 0444);
64MODULE_PARM_DESC(id, "ID string for sc-6000 based soundcard.");
65module_param_array(enable, bool, NULL, 0444);
66MODULE_PARM_DESC(enable, "Enable sc-6000 based soundcard.");
67module_param_array(port, long, NULL, 0444);
68MODULE_PARM_DESC(port, "Port # for sc-6000 driver.");
69module_param_array(mss_port, long, NULL, 0444);
70MODULE_PARM_DESC(mss_port, "MSS Port # for sc-6000 driver.");
71module_param_array(mpu_port, long, NULL, 0444);
72MODULE_PARM_DESC(mpu_port, "MPU-401 port # for sc-6000 driver.");
73module_param_array(irq, int, NULL, 0444);
74MODULE_PARM_DESC(irq, "IRQ # for sc-6000 driver.");
75module_param_array(mpu_irq, int, NULL, 0444);
76MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for sc-6000 driver.");
77module_param_array(dma, int, NULL, 0444);
78MODULE_PARM_DESC(dma, "DMA # for sc-6000 driver.");
79module_param_array(joystick, bool, NULL, 0444);
80MODULE_PARM_DESC(joystick, "Enable gameport.");
81
82/*
83 * Commands of SC6000's DSP (SBPRO+special).
84 * Some of them are COMMAND_xx, in the future they may change.
85 */
86#define WRITE_MDIRQ_CFG 0x50 /* Set M&I&DRQ mask (the real config) */
87#define COMMAND_52 0x52 /* */
88#define READ_HARD_CFG 0x58 /* Read Hardware Config (I/O base etc) */
89#define COMMAND_5C 0x5c /* */
90#define COMMAND_60 0x60 /* */
91#define COMMAND_66 0x66 /* */
92#define COMMAND_6C 0x6c /* */
93#define COMMAND_6E 0x6e /* */
94#define COMMAND_88 0x88 /* Unknown command */
95#define DSP_INIT_MSS 0x8c /* Enable Microsoft Sound System mode */
96#define COMMAND_C5 0xc5 /* */
97#define GET_DSP_VERSION 0xe1 /* Get DSP Version */
98#define GET_DSP_COPYRIGHT 0xe3 /* Get DSP Copyright */
99
100/*
101 * Offsets of SC6000 DSP I/O ports. The offset is added to base I/O port
102 * to have the actual I/O port.
103 * Register permissions are:
104 * (wo) == Write Only
105 * (ro) == Read Only
106 * (w-) == Write
107 * (r-) == Read
108 */
109#define DSP_RESET 0x06 /* offset of DSP RESET (wo) */
110#define DSP_READ 0x0a /* offset of DSP READ (ro) */
111#define DSP_WRITE 0x0c /* offset of DSP WRITE (w-) */
112#define DSP_COMMAND 0x0c /* offset of DSP COMMAND (w-) */
113#define DSP_STATUS 0x0c /* offset of DSP STATUS (r-) */
114#define DSP_DATAVAIL 0x0e /* offset of DSP DATA AVAILABLE (ro) */
115
116#define PFX "sc6000: "
117#define DRV_NAME "SC-6000"
118
119/* hardware dependent functions */
120
121/*
122 * sc6000_irq_to_softcfg - Decode irq number into cfg code.
123 */
124static unsigned char sc6000_irq_to_softcfg(int irq)
125{
126 unsigned char val = 0;
127
128 switch (irq) {
129 case 5:
130 val = 0x28;
131 break;
132 case 7:
133 val = 0x8;
134 break;
135 case 9:
136 val = 0x10;
137 break;
138 case 10:
139 val = 0x18;
140 break;
141 case 11:
142 val = 0x20;
143 break;
144 default:
145 break;
146 }
147 return val;
148}
149
150/*
151 * sc6000_dma_to_softcfg - Decode dma number into cfg code.
152 */
153static unsigned char sc6000_dma_to_softcfg(int dma)
154{
155 unsigned char val = 0;
156
157 switch (dma) {
158 case 0:
159 val = 1;
160 break;
161 case 1:
162 val = 2;
163 break;
164 case 3:
165 val = 3;
166 break;
167 default:
168 break;
169 }
170 return val;
171}
172
173/*
174 * sc6000_mpu_irq_to_softcfg - Decode MPU-401 irq number into cfg code.
175 */
176static unsigned char sc6000_mpu_irq_to_softcfg(int mpu_irq)
177{
178 unsigned char val = 0;
179
180 switch (mpu_irq) {
181 case 5:
182 val = 4;
183 break;
184 case 7:
185 val = 0x44;
186 break;
187 case 9:
188 val = 0x84;
189 break;
190 case 10:
191 val = 0xc4;
192 break;
193 default:
194 break;
195 }
196 return val;
197}
198
199static int sc6000_wait_data(char __iomem *vport)
200{
201 int loop = 1000;
202 unsigned char val = 0;
203
204 do {
205 val = ioread8(vport + DSP_DATAVAIL);
206 if (val & 0x80)
207 return 0;
208 cpu_relax();
209 } while (loop--);
210
211 return -EAGAIN;
212}
213
214static int sc6000_read(char __iomem *vport)
215{
216 if (sc6000_wait_data(vport))
217 return -EBUSY;
218
219 return ioread8(vport + DSP_READ);
220
221}
222
223static int sc6000_write(char __iomem *vport, int cmd)
224{
225 unsigned char val;
226 int loop = 500000;
227
228 do {
229 val = ioread8(vport + DSP_STATUS);
230 /*
231 * DSP ready to receive data if bit 7 of val == 0
232 */
233 if (!(val & 0x80)) {
234 iowrite8(cmd, vport + DSP_COMMAND);
235 return 0;
236 }
237 cpu_relax();
238 } while (loop--);
239
240 snd_printk(KERN_ERR "DSP Command (0x%x) timeout.\n", cmd);
241
242 return -EIO;
243}
244
245static int sc6000_dsp_get_answer(char __iomem *vport, int command,
246 char *data, int data_len)
247{
248 int len = 0;
249
250 if (sc6000_write(vport, command)) {
251 snd_printk(KERN_ERR "CMD 0x%x: failed!\n", command);
252 return -EIO;
253 }
254
255 do {
256 int val = sc6000_read(vport);
257
258 if (val < 0)
259 break;
260
261 data[len++] = val;
262
263 } while (len < data_len);
264
265 /*
266 * If no more data available, return to the caller, no error if len>0.
267 * We have no other way to know when the string is finished.
268 */
269 return len ? len : -EIO;
270}
271
272static int sc6000_dsp_reset(char __iomem *vport)
273{
274 iowrite8(1, vport + DSP_RESET);
275 udelay(10);
276 iowrite8(0, vport + DSP_RESET);
277 udelay(20);
278 if (sc6000_read(vport) == 0xaa)
279 return 0;
280 return -ENODEV;
281}
282
283/* detection and initialization */
284static int sc6000_hw_cfg_write(char __iomem *vport, const int *cfg)
285{
286 if (sc6000_write(vport, COMMAND_6C) < 0) {
287 snd_printk(KERN_WARNING "CMD 0x%x: failed!\n", COMMAND_6C);
288 return -EIO;
289 }
290 if (sc6000_write(vport, COMMAND_5C) < 0) {
291 snd_printk(KERN_ERR "CMD 0x%x: failed!\n", COMMAND_5C);
292 return -EIO;
293 }
294 if (sc6000_write(vport, cfg[0]) < 0) {
295 snd_printk(KERN_ERR "DATA 0x%x: failed!\n", cfg[0]);
296 return -EIO;
297 }
298 if (sc6000_write(vport, cfg[1]) < 0) {
299 snd_printk(KERN_ERR "DATA 0x%x: failed!\n", cfg[1]);
300 return -EIO;
301 }
302 if (sc6000_write(vport, COMMAND_C5) < 0) {
303 snd_printk(KERN_ERR "CMD 0x%x: failed!\n", COMMAND_C5);
304 return -EIO;
305 }
306
307 return 0;
308}
309
310static int sc6000_cfg_write(char __iomem *vport, unsigned char softcfg)
311{
312
313 if (sc6000_write(vport, WRITE_MDIRQ_CFG)) {
314 snd_printk(KERN_ERR "CMD 0x%x: failed!\n", WRITE_MDIRQ_CFG);
315 return -EIO;
316 }
317 if (sc6000_write(vport, softcfg)) {
318 snd_printk(KERN_ERR "sc6000_cfg_write: failed!\n");
319 return -EIO;
320 }
321 return 0;
322}
323
324static int sc6000_setup_board(char __iomem *vport, int config)
325{
326 int loop = 10;
327
328 do {
329 if (sc6000_write(vport, COMMAND_88)) {
330 snd_printk(KERN_ERR "CMD 0x%x: failed!\n",
331 COMMAND_88);
332 return -EIO;
333 }
334 } while ((sc6000_wait_data(vport) < 0) && loop--);
335
336 if (sc6000_read(vport) < 0) {
337 snd_printk(KERN_ERR "sc6000_read after CMD 0x%x: failed\n",
338 COMMAND_88);
339 return -EIO;
340 }
341
342 if (sc6000_cfg_write(vport, config))
343 return -ENODEV;
344
345 return 0;
346}
347
348static int sc6000_init_mss(char __iomem *vport, int config,
349 char __iomem *vmss_port, int mss_config)
350{
351 if (sc6000_write(vport, DSP_INIT_MSS)) {
352 snd_printk(KERN_ERR "sc6000_init_mss [0x%x]: failed!\n",
353 DSP_INIT_MSS);
354 return -EIO;
355 }
356
357 msleep(10);
358
359 if (sc6000_cfg_write(vport, config))
360 return -EIO;
361
362 iowrite8(mss_config, vmss_port);
363
364 return 0;
365}
366
367static void sc6000_hw_cfg_encode(char __iomem *vport, int *cfg,
368 long xport, long xmpu,
369 long xmss_port, int joystick)
370{
371 cfg[0] = 0;
372 cfg[1] = 0;
373 if (xport == 0x240)
374 cfg[0] |= 1;
375 if (xmpu != SNDRV_AUTO_PORT) {
376 cfg[0] |= (xmpu & 0x30) >> 2;
377 cfg[1] |= 0x20;
378 }
379 if (xmss_port == 0xe80)
380 cfg[0] |= 0x10;
381 cfg[0] |= 0x40; /* always set */
382 if (!joystick)
383 cfg[0] |= 0x02;
384 cfg[1] |= 0x80; /* enable WSS system */
385 cfg[1] &= ~0x40; /* disable IDE */
386 snd_printd("hw cfg %x, %x\n", cfg[0], cfg[1]);
387}
388
389static int sc6000_init_board(char __iomem *vport,
390 char __iomem *vmss_port, int dev)
391{
392 char answer[15];
393 char version[2];
394 int mss_config = sc6000_irq_to_softcfg(irq[dev]) |
395 sc6000_dma_to_softcfg(dma[dev]);
396 int config = mss_config |
397 sc6000_mpu_irq_to_softcfg(mpu_irq[dev]);
398 int err;
399 int old = 0;
400
401 err = sc6000_dsp_reset(vport);
402 if (err < 0) {
403 snd_printk(KERN_ERR "sc6000_dsp_reset: failed!\n");
404 return err;
405 }
406
407 memset(answer, 0, sizeof(answer));
408 err = sc6000_dsp_get_answer(vport, GET_DSP_COPYRIGHT, answer, 15);
409 if (err <= 0) {
410 snd_printk(KERN_ERR "sc6000_dsp_copyright: failed!\n");
411 return -ENODEV;
412 }
413 /*
414 * My SC-6000 card return "SC-6000" in DSPCopyright, so
415 * if we have something different, we have to be warned.
416 */
417 if (strncmp("SC-6000", answer, 7))
418 snd_printk(KERN_WARNING "Warning: non SC-6000 audio card!\n");
419
420 if (sc6000_dsp_get_answer(vport, GET_DSP_VERSION, version, 2) < 2) {
421 snd_printk(KERN_ERR "sc6000_dsp_version: failed!\n");
422 return -ENODEV;
423 }
424 printk(KERN_INFO PFX "Detected model: %s, DSP version %d.%d\n",
425 answer, version[0], version[1]);
426
427 /* set configuration */
428 sc6000_write(vport, COMMAND_5C);
429 if (sc6000_read(vport) < 0)
430 old = 1;
431
432 if (!old) {
433 int cfg[2];
434 sc6000_hw_cfg_encode(vport, &cfg[0], port[dev], mpu_port[dev],
435 mss_port[dev], joystick[dev]);
436 if (sc6000_hw_cfg_write(vport, cfg) < 0) {
437 snd_printk(KERN_ERR "sc6000_hw_cfg_write: failed!\n");
438 return -EIO;
439 }
440 }
441 err = sc6000_setup_board(vport, config);
442 if (err < 0) {
443 snd_printk(KERN_ERR "sc6000_setup_board: failed!\n");
444 return -ENODEV;
445 }
446
447 sc6000_dsp_reset(vport);
448
449 if (!old) {
450 sc6000_write(vport, COMMAND_60);
451 sc6000_write(vport, 0x02);
452 sc6000_dsp_reset(vport);
453 }
454
455 err = sc6000_setup_board(vport, config);
456 if (err < 0) {
457 snd_printk(KERN_ERR "sc6000_setup_board: failed!\n");
458 return -ENODEV;
459 }
460 err = sc6000_init_mss(vport, config, vmss_port, mss_config);
461 if (err < 0) {
462 snd_printk(KERN_ERR "Cannot initialize "
463 "Microsoft Sound System mode.\n");
464 return -ENODEV;
465 }
466
467 return 0;
468}
469
470static int snd_sc6000_mixer(struct snd_wss *chip)
471{
472 struct snd_card *card = chip->card;
473 struct snd_ctl_elem_id id1, id2;
474 int err;
475
476 memset(&id1, 0, sizeof(id1));
477 memset(&id2, 0, sizeof(id2));
478 id1.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
479 id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
480 /* reassign AUX0 to FM */
481 strcpy(id1.name, "Aux Playback Switch");
482 strcpy(id2.name, "FM Playback Switch");
483 err = snd_ctl_rename_id(card, &id1, &id2);
484 if (err < 0)
485 return err;
486 strcpy(id1.name, "Aux Playback Volume");
487 strcpy(id2.name, "FM Playback Volume");
488 err = snd_ctl_rename_id(card, &id1, &id2);
489 if (err < 0)
490 return err;
491 /* reassign AUX1 to CD */
492 strcpy(id1.name, "Aux Playback Switch"); id1.index = 1;
493 strcpy(id2.name, "CD Playback Switch");
494 err = snd_ctl_rename_id(card, &id1, &id2);
495 if (err < 0)
496 return err;
497 strcpy(id1.name, "Aux Playback Volume");
498 strcpy(id2.name, "CD Playback Volume");
499 err = snd_ctl_rename_id(card, &id1, &id2);
500 if (err < 0)
501 return err;
502 return 0;
503}
504
505static int snd_sc6000_match(struct device *devptr, unsigned int dev)
506{
507 if (!enable[dev])
508 return 0;
509 if (port[dev] == SNDRV_AUTO_PORT) {
510 printk(KERN_ERR PFX "specify IO port\n");
511 return 0;
512 }
513 if (mss_port[dev] == SNDRV_AUTO_PORT) {
514 printk(KERN_ERR PFX "specify MSS port\n");
515 return 0;
516 }
517 if (port[dev] != 0x220 && port[dev] != 0x240) {
518 printk(KERN_ERR PFX "Port must be 0x220 or 0x240\n");
519 return 0;
520 }
521 if (mss_port[dev] != 0x530 && mss_port[dev] != 0xe80) {
522 printk(KERN_ERR PFX "MSS port must be 0x530 or 0xe80\n");
523 return 0;
524 }
525 if (irq[dev] != SNDRV_AUTO_IRQ && !sc6000_irq_to_softcfg(irq[dev])) {
526 printk(KERN_ERR PFX "invalid IRQ %d\n", irq[dev]);
527 return 0;
528 }
529 if (dma[dev] != SNDRV_AUTO_DMA && !sc6000_dma_to_softcfg(dma[dev])) {
530 printk(KERN_ERR PFX "invalid DMA %d\n", dma[dev]);
531 return 0;
532 }
533 if (mpu_port[dev] != SNDRV_AUTO_PORT &&
534 (mpu_port[dev] & ~0x30L) != 0x300) {
535 printk(KERN_ERR PFX "invalid MPU-401 port %lx\n",
536 mpu_port[dev]);
537 return 0;
538 }
539 if (mpu_port[dev] != SNDRV_AUTO_PORT &&
540 mpu_irq[dev] != SNDRV_AUTO_IRQ && mpu_irq[dev] != 0 &&
541 !sc6000_mpu_irq_to_softcfg(mpu_irq[dev])) {
542 printk(KERN_ERR PFX "invalid MPU-401 IRQ %d\n", mpu_irq[dev]);
543 return 0;
544 }
545 return 1;
546}
547
548static int snd_sc6000_probe(struct device *devptr, unsigned int dev)
549{
550 static int possible_irqs[] = { 5, 7, 9, 10, 11, -1 };
551 static int possible_dmas[] = { 1, 3, 0, -1 };
552 int err;
553 int xirq = irq[dev];
554 int xdma = dma[dev];
555 struct snd_card *card;
556 struct snd_wss *chip;
557 struct snd_opl3 *opl3;
558 char __iomem **vport;
559 char __iomem *vmss_port;
560
561
562 err = snd_card_new(devptr, index[dev], id[dev], THIS_MODULE,
563 sizeof(vport), &card);
564 if (err < 0)
565 return err;
566
567 vport = card->private_data;
568 if (xirq == SNDRV_AUTO_IRQ) {
569 xirq = snd_legacy_find_free_irq(possible_irqs);
570 if (xirq < 0) {
571 snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
572 err = -EBUSY;
573 goto err_exit;
574 }
575 }
576
577 if (xdma == SNDRV_AUTO_DMA) {
578 xdma = snd_legacy_find_free_dma(possible_dmas);
579 if (xdma < 0) {
580 snd_printk(KERN_ERR PFX "unable to find a free DMA\n");
581 err = -EBUSY;
582 goto err_exit;
583 }
584 }
585
586 if (!request_region(port[dev], 0x10, DRV_NAME)) {
587 snd_printk(KERN_ERR PFX
588 "I/O port region is already in use.\n");
589 err = -EBUSY;
590 goto err_exit;
591 }
592 *vport = devm_ioport_map(devptr, port[dev], 0x10);
593 if (*vport == NULL) {
594 snd_printk(KERN_ERR PFX
595 "I/O port cannot be iomaped.\n");
596 err = -EBUSY;
597 goto err_unmap1;
598 }
599
600 /* to make it marked as used */
601 if (!request_region(mss_port[dev], 4, DRV_NAME)) {
602 snd_printk(KERN_ERR PFX
603 "SC-6000 port I/O port region is already in use.\n");
604 err = -EBUSY;
605 goto err_unmap1;
606 }
607 vmss_port = devm_ioport_map(devptr, mss_port[dev], 4);
608 if (!vmss_port) {
609 snd_printk(KERN_ERR PFX
610 "MSS port I/O cannot be iomaped.\n");
611 err = -EBUSY;
612 goto err_unmap2;
613 }
614
615 snd_printd("Initializing BASE[0x%lx] IRQ[%d] DMA[%d] MIRQ[%d]\n",
616 port[dev], xirq, xdma,
617 mpu_irq[dev] == SNDRV_AUTO_IRQ ? 0 : mpu_irq[dev]);
618
619 err = sc6000_init_board(*vport, vmss_port, dev);
620 if (err < 0)
621 goto err_unmap2;
622
623 err = snd_wss_create(card, mss_port[dev] + 4, -1, xirq, xdma, -1,
624 WSS_HW_DETECT, 0, &chip);
625 if (err < 0)
626 goto err_unmap2;
627
628 err = snd_wss_pcm(chip, 0, NULL);
629 if (err < 0) {
630 snd_printk(KERN_ERR PFX
631 "error creating new WSS PCM device\n");
632 goto err_unmap2;
633 }
634 err = snd_wss_mixer(chip);
635 if (err < 0) {
636 snd_printk(KERN_ERR PFX "error creating new WSS mixer\n");
637 goto err_unmap2;
638 }
639 err = snd_sc6000_mixer(chip);
640 if (err < 0) {
641 snd_printk(KERN_ERR PFX "the mixer rewrite failed\n");
642 goto err_unmap2;
643 }
644 if (snd_opl3_create(card,
645 0x388, 0x388 + 2,
646 OPL3_HW_AUTO, 0, &opl3) < 0) {
647 snd_printk(KERN_ERR PFX "no OPL device at 0x%x-0x%x ?\n",
648 0x388, 0x388 + 2);
649 } else {
650 err = snd_opl3_hwdep_new(opl3, 0, 1, NULL);
651 if (err < 0)
652 goto err_unmap2;
653 }
654
655 if (mpu_port[dev] != SNDRV_AUTO_PORT) {
656 if (mpu_irq[dev] == SNDRV_AUTO_IRQ)
657 mpu_irq[dev] = -1;
658 if (snd_mpu401_uart_new(card, 0,
659 MPU401_HW_MPU401,
660 mpu_port[dev], 0,
661 mpu_irq[dev], NULL) < 0)
662 snd_printk(KERN_ERR "no MPU-401 device at 0x%lx ?\n",
663 mpu_port[dev]);
664 }
665
666 strcpy(card->driver, DRV_NAME);
667 strcpy(card->shortname, "SC-6000");
668 sprintf(card->longname, "Gallant SC-6000 at 0x%lx, irq %d, dma %d",
669 mss_port[dev], xirq, xdma);
670
671 err = snd_card_register(card);
672 if (err < 0)
673 goto err_unmap2;
674
675 dev_set_drvdata(devptr, card);
676 return 0;
677
678err_unmap2:
679 sc6000_setup_board(*vport, 0);
680 release_region(mss_port[dev], 4);
681err_unmap1:
682 release_region(port[dev], 0x10);
683err_exit:
684 snd_card_free(card);
685 return err;
686}
687
688static int snd_sc6000_remove(struct device *devptr, unsigned int dev)
689{
690 struct snd_card *card = dev_get_drvdata(devptr);
691 char __iomem **vport = card->private_data;
692
693 if (sc6000_setup_board(*vport, 0) < 0)
694 snd_printk(KERN_WARNING "sc6000_setup_board failed on exit!\n");
695
696 release_region(port[dev], 0x10);
697 release_region(mss_port[dev], 4);
698
699 snd_card_free(card);
700 return 0;
701}
702
703static struct isa_driver snd_sc6000_driver = {
704 .match = snd_sc6000_match,
705 .probe = snd_sc6000_probe,
706 .remove = snd_sc6000_remove,
707 /* FIXME: suspend/resume */
708 .driver = {
709 .name = DRV_NAME,
710 },
711};
712
713
714static int __init alsa_card_sc6000_init(void)
715{
716 return isa_register_driver(&snd_sc6000_driver, SNDRV_CARDS);
717}
718
719static void __exit alsa_card_sc6000_exit(void)
720{
721 isa_unregister_driver(&snd_sc6000_driver);
722}
723
724module_init(alsa_card_sc6000_init)
725module_exit(alsa_card_sc6000_exit)