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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-16 13:13:38 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-16 13:13:38 -0400
commitfc8a327db6c46de783b1a4276d846841b9abc24c (patch)
treebee512c142cccea93511debd98ef954581693727 /sound/isa/sc6000.c
parent92d15c2ccbb3e31a3fc71ad28fdb55e1319383c0 (diff)
parent24837e6f249a2c83667552e6871c1543b4a6b934 (diff)
Merge branch 'linus' of master.kernel.org:/pub/scm/linux/kernel/git/perex/alsa
* 'linus' of master.kernel.org:/pub/scm/linux/kernel/git/perex/alsa: (264 commits) [ALSA] version 1.0.15 [ALSA] Fix thinko in cs4231 mce down check [ALSA] sun-cs4231: improved waiting after MCE down [ALSA] sun-cs4231: use cs4231-regs.h [ALSA] This simplifies and fixes waiting loops of the mce_down() [ALSA] This patch adds support for a wavetable chip on [ALSA] This patch removes open_mutex from the ad1848-lib as [ALSA] fix bootup crash in snd_gus_interrupt() [ALSA] hda-codec - Fix SKU ID function for realtek codecs [ALSA] Support ASUS P701 eeepc [0x1043 0x82a1] support [ALSA] hda-codec - Add array terminator for dmic in STAC codec [ALSA] hdsp - Fix zero division [ALSA] usb-audio - Fix double comment [ALSA] hda-codec - Fix STAC922x volume knob control [ALSA] Changed Jaroslav Kysela's e-mail from perex@suse.cz to perex@perex.cz [ALSA] hda-codec - Fix for Fujitsu Lifebook C1410 [ALSA] mpu-401: remove MPU401_INFO_UART_ONLY flag [ALSA] mpu-401: do not require an ACK byte for the ENTER_UART command [ALSA] via82xx - Add DXS quirk for Shuttle AK31v2 [ALSA] hda-codec - Fix input_mux numbers for vaio stac92xx ...
Diffstat (limited to 'sound/isa/sc6000.c')
-rw-r--r--sound/isa/sc6000.c656
1 files changed, 656 insertions, 0 deletions
diff --git a/sound/isa/sc6000.c b/sound/isa/sc6000.c
new file mode 100644
index 000000000000..94daf8399994
--- /dev/null
+++ b/sound/isa/sc6000.c
@@ -0,0 +1,656 @@
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 *
6 * Copyright (C) 2007 Krzysztof Helt <krzysztof.h1@wp.pl>
7 *
8 * I don't have documentation for this card. I used the driver
9 * for OSS/Free included in the kernel source as reference.
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 */
25
26#include <sound/driver.h>
27#include <linux/module.h>
28#include <linux/delay.h>
29#include <linux/isa.h>
30#include <linux/io.h>
31#include <asm/dma.h>
32#include <sound/core.h>
33#include <sound/ad1848.h>
34#include <sound/opl3.h>
35#include <sound/mpu401.h>
36#include <sound/control.h>
37#define SNDRV_LEGACY_FIND_FREE_IRQ
38#define SNDRV_LEGACY_FIND_FREE_DMA
39#include <sound/initval.h>
40
41MODULE_AUTHOR("Krzysztof Helt");
42MODULE_DESCRIPTION("Gallant SC-6000");
43MODULE_LICENSE("GPL");
44MODULE_SUPPORTED_DEVICE("{{Gallant, SC-6000},"
45 "{AudioExcel, Audio Excel DSP 16},"
46 "{Zoltrix, AV302}}");
47
48static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
49static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
50static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
51static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220, 0x240 */
52static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5, 7, 9, 10, 11 */
53static long mss_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x530, 0xe80 */
54static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
55 /* 0x300, 0x310, 0x320, 0x330 */
56static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5, 7, 9, 10, 0 */
57static int dma[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0, 1, 3 */
58
59module_param_array(index, int, NULL, 0444);
60MODULE_PARM_DESC(index, "Index value for sc-6000 based soundcard.");
61module_param_array(id, charp, NULL, 0444);
62MODULE_PARM_DESC(id, "ID string for sc-6000 based soundcard.");
63module_param_array(enable, bool, NULL, 0444);
64MODULE_PARM_DESC(enable, "Enable sc-6000 based soundcard.");
65module_param_array(port, long, NULL, 0444);
66MODULE_PARM_DESC(port, "Port # for sc-6000 driver.");
67module_param_array(mss_port, long, NULL, 0444);
68MODULE_PARM_DESC(mss_port, "MSS Port # for sc-6000 driver.");
69module_param_array(mpu_port, long, NULL, 0444);
70MODULE_PARM_DESC(mpu_port, "MPU-401 port # for sc-6000 driver.");
71module_param_array(irq, int, NULL, 0444);
72MODULE_PARM_DESC(irq, "IRQ # for sc-6000 driver.");
73module_param_array(mpu_irq, int, NULL, 0444);
74MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for sc-6000 driver.");
75module_param_array(dma, int, NULL, 0444);
76MODULE_PARM_DESC(dma, "DMA # for sc-6000 driver.");
77
78/*
79 * Commands of SC6000's DSP (SBPRO+special).
80 * Some of them are COMMAND_xx, in the future they may change.
81 */
82#define WRITE_MDIRQ_CFG 0x50 /* Set M&I&DRQ mask (the real config) */
83#define COMMAND_52 0x52 /* */
84#define READ_HARD_CFG 0x58 /* Read Hardware Config (I/O base etc) */
85#define COMMAND_5C 0x5c /* */
86#define COMMAND_60 0x60 /* */
87#define COMMAND_66 0x66 /* */
88#define COMMAND_6C 0x6c /* */
89#define COMMAND_6E 0x6e /* */
90#define COMMAND_88 0x88 /* Unknown command */
91#define DSP_INIT_MSS 0x8c /* Enable Microsoft Sound System mode */
92#define COMMAND_C5 0xc5 /* */
93#define GET_DSP_VERSION 0xe1 /* Get DSP Version */
94#define GET_DSP_COPYRIGHT 0xe3 /* Get DSP Copyright */
95
96/*
97 * Offsets of SC6000 DSP I/O ports. The offset is added to base I/O port
98 * to have the actual I/O port.
99 * Register permissions are:
100 * (wo) == Write Only
101 * (ro) == Read Only
102 * (w-) == Write
103 * (r-) == Read
104 */
105#define DSP_RESET 0x06 /* offset of DSP RESET (wo) */
106#define DSP_READ 0x0a /* offset of DSP READ (ro) */
107#define DSP_WRITE 0x0c /* offset of DSP WRITE (w-) */
108#define DSP_COMMAND 0x0c /* offset of DSP COMMAND (w-) */
109#define DSP_STATUS 0x0c /* offset of DSP STATUS (r-) */
110#define DSP_DATAVAIL 0x0e /* offset of DSP DATA AVAILABLE (ro) */
111
112#define PFX "sc6000: "
113#define DRV_NAME "SC-6000"
114
115/* hardware dependent functions */
116
117/*
118 * sc6000_irq_to_softcfg - Decode irq number into cfg code.
119 */
120static __devinit unsigned char sc6000_irq_to_softcfg(int irq)
121{
122 unsigned char val = 0;
123
124 switch (irq) {
125 case 5:
126 val = 0x28;
127 break;
128 case 7:
129 val = 0x8;
130 break;
131 case 9:
132 val = 0x10;
133 break;
134 case 10:
135 val = 0x18;
136 break;
137 case 11:
138 val = 0x20;
139 break;
140 default:
141 break;
142 }
143 return val;
144}
145
146/*
147 * sc6000_dma_to_softcfg - Decode dma number into cfg code.
148 */
149static __devinit unsigned char sc6000_dma_to_softcfg(int dma)
150{
151 unsigned char val = 0;
152
153 switch (dma) {
154 case 0:
155 val = 1;
156 break;
157 case 1:
158 val = 2;
159 break;
160 case 3:
161 val = 3;
162 break;
163 default:
164 break;
165 }
166 return val;
167}
168
169/*
170 * sc6000_mpu_irq_to_softcfg - Decode MPU-401 irq number into cfg code.
171 */
172static __devinit unsigned char sc6000_mpu_irq_to_softcfg(int mpu_irq)
173{
174 unsigned char val = 0;
175
176 switch (mpu_irq) {
177 case 5:
178 val = 4;
179 break;
180 case 7:
181 val = 0x44;
182 break;
183 case 9:
184 val = 0x84;
185 break;
186 case 10:
187 val = 0xc4;
188 break;
189 default:
190 break;
191 }
192 return val;
193}
194
195static __devinit int sc6000_wait_data(char __iomem *vport)
196{
197 int loop = 1000;
198 unsigned char val = 0;
199
200 do {
201 val = ioread8(vport + DSP_DATAVAIL);
202 if (val & 0x80)
203 return 0;
204 cpu_relax();
205 } while (loop--);
206
207 return -EAGAIN;
208}
209
210static __devinit int sc6000_read(char __iomem *vport)
211{
212 if (sc6000_wait_data(vport))
213 return -EBUSY;
214
215 return ioread8(vport + DSP_READ);
216
217}
218
219static __devinit int sc6000_write(char __iomem *vport, int cmd)
220{
221 unsigned char val;
222 int loop = 500000;
223
224 do {
225 val = ioread8(vport + DSP_STATUS);
226 /*
227 * DSP ready to receive data if bit 7 of val == 0
228 */
229 if (!(val & 0x80)) {
230 iowrite8(cmd, vport + DSP_COMMAND);
231 return 0;
232 }
233 cpu_relax();
234 } while (loop--);
235
236 snd_printk(KERN_ERR "DSP Command (0x%x) timeout.\n", cmd);
237
238 return -EIO;
239}
240
241static int __devinit sc6000_dsp_get_answer(char __iomem *vport, int command,
242 char *data, int data_len)
243{
244 int len = 0;
245
246 if (sc6000_write(vport, command)) {
247 snd_printk(KERN_ERR "CMD 0x%x: failed!\n", command);
248 return -EIO;
249 }
250
251 do {
252 int val = sc6000_read(vport);
253
254 if (val < 0)
255 break;
256
257 data[len++] = val;
258
259 } while (len < data_len);
260
261 /*
262 * If no more data available, return to the caller, no error if len>0.
263 * We have no other way to know when the string is finished.
264 */
265 return len ? len : -EIO;
266}
267
268static int __devinit sc6000_dsp_reset(char __iomem *vport)
269{
270 iowrite8(1, vport + DSP_RESET);
271 udelay(10);
272 iowrite8(0, vport + DSP_RESET);
273 udelay(20);
274 if (sc6000_read(vport) == 0xaa)
275 return 0;
276 return -ENODEV;
277}
278
279/* detection and initialization */
280static int __devinit sc6000_cfg_write(char __iomem *vport,
281 unsigned char softcfg)
282{
283
284 if (sc6000_write(vport, WRITE_MDIRQ_CFG)) {
285 snd_printk(KERN_ERR "CMD 0x%x: failed!\n", WRITE_MDIRQ_CFG);
286 return -EIO;
287 }
288 if (sc6000_write(vport, softcfg)) {
289 snd_printk(KERN_ERR "sc6000_cfg_write: failed!\n");
290 return -EIO;
291 }
292 return 0;
293}
294
295static int __devinit sc6000_setup_board(char __iomem *vport, int config)
296{
297 int loop = 10;
298
299 do {
300 if (sc6000_write(vport, COMMAND_88)) {
301 snd_printk(KERN_ERR "CMD 0x%x: failed!\n",
302 COMMAND_88);
303 return -EIO;
304 }
305 } while ((sc6000_wait_data(vport) < 0) && loop--);
306
307 if (sc6000_read(vport) < 0) {
308 snd_printk(KERN_ERR "sc6000_read after CMD 0x%x: failed\n",
309 COMMAND_88);
310 return -EIO;
311 }
312
313 if (sc6000_cfg_write(vport, config))
314 return -ENODEV;
315
316 return 0;
317}
318
319static int __devinit sc6000_init_mss(char __iomem *vport, int config,
320 char __iomem *vmss_port, int mss_config)
321{
322 if (sc6000_write(vport, DSP_INIT_MSS)) {
323 snd_printk(KERN_ERR "sc6000_init_mss [0x%x]: failed!\n",
324 DSP_INIT_MSS);
325 return -EIO;
326 }
327
328 msleep(10);
329
330 if (sc6000_cfg_write(vport, config))
331 return -EIO;
332
333 iowrite8(mss_config, vmss_port);
334
335 return 0;
336}
337
338static int __devinit sc6000_init_board(char __iomem *vport, int irq, int dma,
339 char __iomem *vmss_port, int mpu_irq)
340{
341 char answer[15];
342 char version[2];
343 int mss_config = sc6000_irq_to_softcfg(irq) |
344 sc6000_dma_to_softcfg(dma);
345 int config = mss_config |
346 sc6000_mpu_irq_to_softcfg(mpu_irq);
347 int err;
348
349 err = sc6000_dsp_reset(vport);
350 if (err < 0) {
351 snd_printk(KERN_ERR "sc6000_dsp_reset: failed!\n");
352 return err;
353 }
354
355 memset(answer, 0, sizeof(answer));
356 err = sc6000_dsp_get_answer(vport, GET_DSP_COPYRIGHT, answer, 15);
357 if (err <= 0) {
358 snd_printk(KERN_ERR "sc6000_dsp_copyright: failed!\n");
359 return -ENODEV;
360 }
361 /*
362 * My SC-6000 card return "SC-6000" in DSPCopyright, so
363 * if we have something different, we have to be warned.
364 * Mine returns "SC-6000A " - KH
365 */
366 if (strncmp("SC-6000", answer, 7))
367 snd_printk(KERN_WARNING "Warning: non SC-6000 audio card!\n");
368
369 if (sc6000_dsp_get_answer(vport, GET_DSP_VERSION, version, 2) < 2) {
370 snd_printk(KERN_ERR "sc6000_dsp_version: failed!\n");
371 return -ENODEV;
372 }
373 printk(KERN_INFO PFX "Detected model: %s, DSP version %d.%d\n",
374 answer, version[0], version[1]);
375
376 /*
377 * 0x0A == (IRQ 7, DMA 1, MIRQ 0)
378 */
379 err = sc6000_cfg_write(vport, 0x0a);
380 if (err < 0) {
381 snd_printk(KERN_ERR "sc6000_cfg_write: failed!\n");
382 return -EFAULT;
383 }
384
385 err = sc6000_setup_board(vport, config);
386 if (err < 0) {
387 snd_printk(KERN_ERR "sc6000_setup_board: failed!\n");
388 return -ENODEV;
389 }
390
391 err = sc6000_init_mss(vport, config, vmss_port, mss_config);
392 if (err < 0) {
393 snd_printk(KERN_ERR "Can not initialize"
394 "Microsoft Sound System mode.\n");
395 return -ENODEV;
396 }
397
398 return 0;
399}
400
401static int __devinit snd_sc6000_mixer(struct snd_ad1848 *chip)
402{
403 struct snd_card *card = chip->card;
404 struct snd_ctl_elem_id id1, id2;
405 int err;
406
407 memset(&id1, 0, sizeof(id1));
408 memset(&id2, 0, sizeof(id2));
409 id1.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
410 id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
411 /* reassign AUX0 to FM */
412 strcpy(id1.name, "Aux Playback Switch");
413 strcpy(id2.name, "FM Playback Switch");
414 err = snd_ctl_rename_id(card, &id1, &id2);
415 if (err < 0)
416 return err;
417 strcpy(id1.name, "Aux Playback Volume");
418 strcpy(id2.name, "FM Playback Volume");
419 err = snd_ctl_rename_id(card, &id1, &id2);
420 if (err < 0)
421 return err;
422 /* reassign AUX1 to CD */
423 strcpy(id1.name, "Aux Playback Switch"); id1.index = 1;
424 strcpy(id2.name, "CD Playback Switch");
425 err = snd_ctl_rename_id(card, &id1, &id2);
426 if (err < 0)
427 return err;
428 strcpy(id1.name, "Aux Playback Volume");
429 strcpy(id2.name, "CD Playback Volume");
430 err = snd_ctl_rename_id(card, &id1, &id2);
431 if (err < 0)
432 return err;
433 return 0;
434}
435
436static int __devinit snd_sc6000_match(struct device *devptr, unsigned int dev)
437{
438 if (!enable[dev])
439 return 0;
440 if (port[dev] == SNDRV_AUTO_PORT) {
441 printk(KERN_ERR PFX "specify IO port\n");
442 return 0;
443 }
444 if (mss_port[dev] == SNDRV_AUTO_PORT) {
445 printk(KERN_ERR PFX "specify MSS port\n");
446 return 0;
447 }
448 if (port[dev] != 0x220 && port[dev] != 0x240) {
449 printk(KERN_ERR PFX "Port must be 0x220 or 0x240\n");
450 return 0;
451 }
452 if (mss_port[dev] != 0x530 && mss_port[dev] != 0xe80) {
453 printk(KERN_ERR PFX "MSS port must be 0x530 or 0xe80\n");
454 return 0;
455 }
456 if (irq[dev] != SNDRV_AUTO_IRQ && !sc6000_irq_to_softcfg(irq[dev])) {
457 printk(KERN_ERR PFX "invalid IRQ %d\n", irq[dev]);
458 return 0;
459 }
460 if (dma[dev] != SNDRV_AUTO_DMA && !sc6000_dma_to_softcfg(dma[dev])) {
461 printk(KERN_ERR PFX "invalid DMA %d\n", dma[dev]);
462 return 0;
463 }
464 if (mpu_port[dev] != SNDRV_AUTO_PORT &&
465 (mpu_port[dev] & ~0x30L) != 0x300) {
466 printk(KERN_ERR PFX "invalid MPU-401 port %lx\n",
467 mpu_port[dev]);
468 return 0;
469 }
470 if (mpu_port[dev] != SNDRV_AUTO_PORT &&
471 mpu_irq[dev] != SNDRV_AUTO_IRQ && mpu_irq[dev] != 0 &&
472 !sc6000_mpu_irq_to_softcfg(mpu_irq[dev])) {
473 printk(KERN_ERR PFX "invalid MPU-401 IRQ %d\n", mpu_irq[dev]);
474 return 0;
475 }
476 return 1;
477}
478
479static int __devinit snd_sc6000_probe(struct device *devptr, unsigned int dev)
480{
481 static int possible_irqs[] = { 5, 7, 9, 10, 11, -1 };
482 static int possible_dmas[] = { 1, 3, 0, -1 };
483 int err;
484 int xirq = irq[dev];
485 int xdma = dma[dev];
486 struct snd_card *card;
487 struct snd_ad1848 *chip;
488 struct snd_opl3 *opl3;
489 char __iomem *vport;
490 char __iomem *vmss_port;
491
492
493 card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
494 if (!card)
495 return -ENOMEM;
496
497 if (xirq == SNDRV_AUTO_IRQ) {
498 xirq = snd_legacy_find_free_irq(possible_irqs);
499 if (xirq < 0) {
500 snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
501 err = -EBUSY;
502 goto err_exit;
503 }
504 }
505
506 if (xdma == SNDRV_AUTO_DMA) {
507 xdma = snd_legacy_find_free_dma(possible_dmas);
508 if (xdma < 0) {
509 snd_printk(KERN_ERR PFX "unable to find a free DMA\n");
510 err = -EBUSY;
511 goto err_exit;
512 }
513 }
514
515 if (!request_region(port[dev], 0x10, DRV_NAME)) {
516 snd_printk(KERN_ERR PFX
517 "I/O port region is already in use.\n");
518 err = -EBUSY;
519 goto err_exit;
520 }
521 vport = devm_ioport_map(devptr, port[dev], 0x10);
522 if (!vport) {
523 snd_printk(KERN_ERR PFX
524 "I/O port cannot be iomaped.\n");
525 err = -EBUSY;
526 goto err_unmap1;
527 }
528
529 /* to make it marked as used */
530 if (!request_region(mss_port[dev], 4, DRV_NAME)) {
531 snd_printk(KERN_ERR PFX
532 "SC-6000 port I/O port region is already in use.\n");
533 err = -EBUSY;
534 goto err_unmap1;
535 }
536 vmss_port = devm_ioport_map(devptr, mss_port[dev], 4);
537 if (!vport) {
538 snd_printk(KERN_ERR PFX
539 "MSS port I/O cannot be iomaped.\n");
540 err = -EBUSY;
541 goto err_unmap2;
542 }
543
544 snd_printd("Initializing BASE[0x%lx] IRQ[%d] DMA[%d] MIRQ[%d]\n",
545 port[dev], xirq, xdma,
546 mpu_irq[dev] == SNDRV_AUTO_IRQ ? 0 : mpu_irq[dev]);
547
548 err = sc6000_init_board(vport, xirq, xdma, vmss_port, mpu_irq[dev]);
549 if (err < 0)
550 goto err_unmap2;
551
552 err = snd_ad1848_create(card, mss_port[dev] + 4, xirq, xdma,
553 AD1848_HW_DETECT, &chip);
554 if (err < 0)
555 goto err_unmap2;
556 card->private_data = chip;
557
558 err = snd_ad1848_pcm(chip, 0, NULL);
559 if (err < 0) {
560 snd_printk(KERN_ERR PFX
561 "error creating new ad1848 PCM device\n");
562 goto err_unmap2;
563 }
564 err = snd_ad1848_mixer(chip);
565 if (err < 0) {
566 snd_printk(KERN_ERR PFX "error creating new ad1848 mixer\n");
567 goto err_unmap2;
568 }
569 err = snd_sc6000_mixer(chip);
570 if (err < 0) {
571 snd_printk(KERN_ERR PFX "the mixer rewrite failed\n");
572 goto err_unmap2;
573 }
574 if (snd_opl3_create(card,
575 0x388, 0x388 + 2,
576 OPL3_HW_AUTO, 0, &opl3) < 0) {
577 snd_printk(KERN_ERR PFX "no OPL device at 0x%x-0x%x ?\n",
578 0x388, 0x388 + 2);
579 } else {
580 err = snd_opl3_timer_new(opl3, 0, 1);
581 if (err < 0)
582 goto err_unmap2;
583
584 err = snd_opl3_hwdep_new(opl3, 0, 1, NULL);
585 if (err < 0)
586 goto err_unmap2;
587 }
588
589 if (mpu_port[dev] != SNDRV_AUTO_PORT) {
590 if (mpu_irq[dev] == SNDRV_AUTO_IRQ)
591 mpu_irq[dev] = -1;
592 if (snd_mpu401_uart_new(card, 0,
593 MPU401_HW_MPU401,
594 mpu_port[dev], 0,
595 mpu_irq[dev], IRQF_DISABLED,
596 NULL) < 0)
597 snd_printk(KERN_ERR "no MPU-401 device at 0x%lx ?\n",
598 mpu_port[dev]);
599 }
600
601 strcpy(card->driver, DRV_NAME);
602 strcpy(card->shortname, "SC-6000");
603 sprintf(card->longname, "Gallant SC-6000 at 0x%lx, irq %d, dma %d",
604 mss_port[dev], xirq, xdma);
605
606 snd_card_set_dev(card, devptr);
607
608 err = snd_card_register(card);
609 if (err < 0)
610 goto err_unmap2;
611
612 dev_set_drvdata(devptr, card);
613 return 0;
614
615err_unmap2:
616 release_region(mss_port[dev], 4);
617err_unmap1:
618 release_region(port[dev], 0x10);
619err_exit:
620 snd_card_free(card);
621 return err;
622}
623
624static int __devexit snd_sc6000_remove(struct device *devptr, unsigned int dev)
625{
626 release_region(port[dev], 0x10);
627 release_region(mss_port[dev], 4);
628
629 snd_card_free(dev_get_drvdata(devptr));
630 dev_set_drvdata(devptr, NULL);
631 return 0;
632}
633
634static struct isa_driver snd_sc6000_driver = {
635 .match = snd_sc6000_match,
636 .probe = snd_sc6000_probe,
637 .remove = __devexit_p(snd_sc6000_remove),
638 /* FIXME: suspend/resume */
639 .driver = {
640 .name = DRV_NAME,
641 },
642};
643
644
645static int __init alsa_card_sc6000_init(void)
646{
647 return isa_register_driver(&snd_sc6000_driver, SNDRV_CARDS);
648}
649
650static void __exit alsa_card_sc6000_exit(void)
651{
652 isa_unregister_driver(&snd_sc6000_driver);
653}
654
655module_init(alsa_card_sc6000_init)
656module_exit(alsa_card_sc6000_exit)