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USB: xhci: Return success for vendor-specific info codes.
[linux-2.6/kvm.git] / sound / isa / sb / sb16.c
blob519c36346dec5e232ed162bb7a9552a777acc068
1 /*
2 * Driver for SoundBlaster 16/AWE32/AWE64 soundcards
3 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
4 *
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 *
20 */
21
22 #include <asm/dma.h>
23 #include <linux/init.h>
24 #include <linux/slab.h>
25 #include <linux/pnp.h>
26 #include <linux/err.h>
27 #include <linux/isa.h>
28 #include <linux/moduleparam.h>
29 #include <sound/core.h>
30 #include <sound/sb.h>
31 #include <sound/sb16_csp.h>
32 #include <sound/mpu401.h>
33 #include <sound/opl3.h>
34 #include <sound/emu8000.h>
35 #include <sound/seq_device.h>
36 #define SNDRV_LEGACY_FIND_FREE_IRQ
37 #define SNDRV_LEGACY_FIND_FREE_DMA
38 #include <sound/initval.h>
39
40 #ifdef SNDRV_SBAWE
41 #define PFX "sbawe: "
42 #else
43 #define PFX "sb16: "
44 #endif
45
46 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
47 MODULE_LICENSE("GPL");
48 #ifndef SNDRV_SBAWE
49 MODULE_DESCRIPTION("Sound Blaster 16");
50 MODULE_SUPPORTED_DEVICE("{{Creative Labs,SB 16},"
51 "{Creative Labs,SB Vibra16S},"
52 "{Creative Labs,SB Vibra16C},"
53 "{Creative Labs,SB Vibra16CL},"
54 "{Creative Labs,SB Vibra16X}}");
55 #else
56 MODULE_DESCRIPTION("Sound Blaster AWE");
57 MODULE_SUPPORTED_DEVICE("{{Creative Labs,SB AWE 32},"
58 "{Creative Labs,SB AWE 64},"
59 "{Creative Labs,SB AWE 64 Gold}}");
60 #endif
61
62 #if 0
63 #define SNDRV_DEBUG_IRQ
64 #endif
65
66 #if defined(SNDRV_SBAWE) && (defined(CONFIG_SND_SEQUENCER) || (defined(MODULE) && defined(CONFIG_SND_SEQUENCER_MODULE)))
67 #define SNDRV_SBAWE_EMU8000
68 #endif
69
70 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
71 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
72 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP; /* Enable this card */
73 #ifdef CONFIG_PNP
74 static int isapnp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
75 #endif
76 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x240,0x260,0x280 */
77 static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x330,0x300 */
78 static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
79 #ifdef SNDRV_SBAWE_EMU8000
80 static long awe_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
81 #endif
82 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */
83 static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3 */
84 static int dma16[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 5,6,7 */
85 static int mic_agc[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
86 #ifdef CONFIG_SND_SB16_CSP
87 static int csp[SNDRV_CARDS];
88 #endif
89 #ifdef SNDRV_SBAWE_EMU8000
90 static int seq_ports[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 4};
91 #endif
92
93 module_param_array(index, int, NULL, 0444);
94 MODULE_PARM_DESC(index, "Index value for SoundBlaster 16 soundcard.");
95 module_param_array(id, charp, NULL, 0444);
96 MODULE_PARM_DESC(id, "ID string for SoundBlaster 16 soundcard.");
97 module_param_array(enable, bool, NULL, 0444);
98 MODULE_PARM_DESC(enable, "Enable SoundBlaster 16 soundcard.");
99 #ifdef CONFIG_PNP
100 module_param_array(isapnp, bool, NULL, 0444);
101 MODULE_PARM_DESC(isapnp, "PnP detection for specified soundcard.");
102 #endif
103 module_param_array(port, long, NULL, 0444);
104 MODULE_PARM_DESC(port, "Port # for SB16 driver.");
105 module_param_array(mpu_port, long, NULL, 0444);
106 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for SB16 driver.");
107 module_param_array(fm_port, long, NULL, 0444);
108 MODULE_PARM_DESC(fm_port, "FM port # for SB16 PnP driver.");
109 #ifdef SNDRV_SBAWE_EMU8000
110 module_param_array(awe_port, long, NULL, 0444);
111 MODULE_PARM_DESC(awe_port, "AWE port # for SB16 PnP driver.");
112 #endif
113 module_param_array(irq, int, NULL, 0444);
114 MODULE_PARM_DESC(irq, "IRQ # for SB16 driver.");
115 module_param_array(dma8, int, NULL, 0444);
116 MODULE_PARM_DESC(dma8, "8-bit DMA # for SB16 driver.");
117 module_param_array(dma16, int, NULL, 0444);
118 MODULE_PARM_DESC(dma16, "16-bit DMA # for SB16 driver.");
119 module_param_array(mic_agc, int, NULL, 0444);
120 MODULE_PARM_DESC(mic_agc, "Mic Auto-Gain-Control switch.");
121 #ifdef CONFIG_SND_SB16_CSP
122 module_param_array(csp, int, NULL, 0444);
123 MODULE_PARM_DESC(csp, "ASP/CSP chip support.");
124 #endif
125 #ifdef SNDRV_SBAWE_EMU8000
126 module_param_array(seq_ports, int, NULL, 0444);
127 MODULE_PARM_DESC(seq_ports, "Number of sequencer ports for WaveTable synth.");
128 #endif
129
130 #ifdef CONFIG_PNP
131 static int isa_registered;
132 static int pnp_registered;
133 #endif
134
135 struct snd_card_sb16 {
136 struct resource *fm_res; /* used to block FM i/o region for legacy cards */
137 struct snd_sb *chip;
138 #ifdef CONFIG_PNP
139 int dev_no;
140 struct pnp_dev *dev;
141 #ifdef SNDRV_SBAWE_EMU8000
142 struct pnp_dev *devwt;
143 #endif
144 #endif
145 };
146
147 #ifdef CONFIG_PNP
148
149 static struct pnp_card_device_id snd_sb16_pnpids[] = {
150 #ifndef SNDRV_SBAWE
151 /* Sound Blaster 16 PnP */
152 { .id = "CTL0024", .devs = { { "CTL0031" } } },
153 /* Sound Blaster 16 PnP */
154 { .id = "CTL0025", .devs = { { "CTL0031" } } },
155 /* Sound Blaster 16 PnP */
156 { .id = "CTL0026", .devs = { { "CTL0031" } } },
157 /* Sound Blaster 16 PnP */
158 { .id = "CTL0027", .devs = { { "CTL0031" } } },
159 /* Sound Blaster 16 PnP */
160 { .id = "CTL0028", .devs = { { "CTL0031" } } },
161 /* Sound Blaster 16 PnP */
162 { .id = "CTL0029", .devs = { { "CTL0031" } } },
163 /* Sound Blaster 16 PnP */
164 { .id = "CTL002a", .devs = { { "CTL0031" } } },
165 /* Sound Blaster 16 PnP */
166 /* Note: This card has also a CTL0051:StereoEnhance device!!! */
167 { .id = "CTL002b", .devs = { { "CTL0031" } } },
168 /* Sound Blaster 16 PnP */
169 { .id = "CTL002c", .devs = { { "CTL0031" } } },
170 /* Sound Blaster Vibra16S */
171 { .id = "CTL0051", .devs = { { "CTL0001" } } },
172 /* Sound Blaster Vibra16C */
173 { .id = "CTL0070", .devs = { { "CTL0001" } } },
174 /* Sound Blaster Vibra16CL - added by ctm@ardi.com */
175 { .id = "CTL0080", .devs = { { "CTL0041" } } },
176 /* Sound Blaster 16 'value' PnP. It says model ct4130 on the pcb, */
177 /* but ct4131 on a sticker on the board.. */
178 { .id = "CTL0086", .devs = { { "CTL0041" } } },
179 /* Sound Blaster Vibra16X */
180 { .id = "CTL00f0", .devs = { { "CTL0043" } } },
181 /* Sound Blaster 16 (Virtual PC 2004) */
182 { .id = "tBA03b0", .devs = { {.id="PNPb003" } } },
183 #else /* SNDRV_SBAWE defined */
184 /* Sound Blaster AWE 32 PnP */
185 { .id = "CTL0035", .devs = { { "CTL0031" }, { "CTL0021" } } },
186 /* Sound Blaster AWE 32 PnP */
187 { .id = "CTL0039", .devs = { { "CTL0031" }, { "CTL0021" } } },
188 /* Sound Blaster AWE 32 PnP */
189 { .id = "CTL0042", .devs = { { "CTL0031" }, { "CTL0021" } } },
190 /* Sound Blaster AWE 32 PnP */
191 { .id = "CTL0043", .devs = { { "CTL0031" }, { "CTL0021" } } },
192 /* Sound Blaster AWE 32 PnP */
193 /* Note: This card has also a CTL0051:StereoEnhance device!!! */
194 { .id = "CTL0044", .devs = { { "CTL0031" }, { "CTL0021" } } },
195 /* Sound Blaster AWE 32 PnP */
196 /* Note: This card has also a CTL0051:StereoEnhance device!!! */
197 { .id = "CTL0045", .devs = { { "CTL0031" }, { "CTL0021" } } },
198 /* Sound Blaster AWE 32 PnP */
199 { .id = "CTL0046", .devs = { { "CTL0031" }, { "CTL0021" } } },
200 /* Sound Blaster AWE 32 PnP */
201 { .id = "CTL0047", .devs = { { "CTL0031" }, { "CTL0021" } } },
202 /* Sound Blaster AWE 32 PnP */
203 { .id = "CTL0048", .devs = { { "CTL0031" }, { "CTL0021" } } },
204 /* Sound Blaster AWE 32 PnP */
205 { .id = "CTL0054", .devs = { { "CTL0031" }, { "CTL0021" } } },
206 /* Sound Blaster AWE 32 PnP */
207 { .id = "CTL009a", .devs = { { "CTL0041" }, { "CTL0021" } } },
208 /* Sound Blaster AWE 32 PnP */
209 { .id = "CTL009c", .devs = { { "CTL0041" }, { "CTL0021" } } },
210 /* Sound Blaster 32 PnP */
211 { .id = "CTL009f", .devs = { { "CTL0041" }, { "CTL0021" } } },
212 /* Sound Blaster AWE 64 PnP */
213 { .id = "CTL009d", .devs = { { "CTL0042" }, { "CTL0022" } } },
214 /* Sound Blaster AWE 64 PnP Gold */
215 { .id = "CTL009e", .devs = { { "CTL0044" }, { "CTL0023" } } },
216 /* Sound Blaster AWE 64 PnP Gold */
217 { .id = "CTL00b2", .devs = { { "CTL0044" }, { "CTL0023" } } },
218 /* Sound Blaster AWE 64 PnP */
219 { .id = "CTL00c1", .devs = { { "CTL0042" }, { "CTL0022" } } },
220 /* Sound Blaster AWE 64 PnP */
221 { .id = "CTL00c3", .devs = { { "CTL0045" }, { "CTL0022" } } },
222 /* Sound Blaster AWE 64 PnP */
223 { .id = "CTL00c5", .devs = { { "CTL0045" }, { "CTL0022" } } },
224 /* Sound Blaster AWE 64 PnP */
225 { .id = "CTL00c7", .devs = { { "CTL0045" }, { "CTL0022" } } },
226 /* Sound Blaster AWE 64 PnP */
227 { .id = "CTL00e4", .devs = { { "CTL0045" }, { "CTL0022" } } },
228 /* Sound Blaster AWE 64 PnP */
229 { .id = "CTL00e9", .devs = { { "CTL0045" }, { "CTL0022" } } },
230 /* Sound Blaster 16 PnP (AWE) */
231 { .id = "CTL00ed", .devs = { { "CTL0041" }, { "CTL0070" } } },
232 /* Generic entries */
233 { .id = "CTLXXXX" , .devs = { { "CTL0031" }, { "CTL0021" } } },
234 { .id = "CTLXXXX" , .devs = { { "CTL0041" }, { "CTL0021" } } },
235 { .id = "CTLXXXX" , .devs = { { "CTL0042" }, { "CTL0022" } } },
236 { .id = "CTLXXXX" , .devs = { { "CTL0044" }, { "CTL0023" } } },
237 { .id = "CTLXXXX" , .devs = { { "CTL0045" }, { "CTL0022" } } },
238 #endif /* SNDRV_SBAWE */
239 { .id = "", }
240 };
241
242 MODULE_DEVICE_TABLE(pnp_card, snd_sb16_pnpids);
243
244 #endif /* CONFIG_PNP */
245
246 #ifdef SNDRV_SBAWE_EMU8000
247 #define DRIVER_NAME "snd-card-sbawe"
248 #else
249 #define DRIVER_NAME "snd-card-sb16"
250 #endif
251
252 #ifdef CONFIG_PNP
253
254 static int __devinit snd_card_sb16_pnp(int dev, struct snd_card_sb16 *acard,
255 struct pnp_card_link *card,
256 const struct pnp_card_device_id *id)
257 {
258 struct pnp_dev *pdev;
259 int err;
260
261 acard->dev = pnp_request_card_device(card, id->devs[0].id, NULL);
262 if (acard->dev == NULL)
263 return -ENODEV;
264
265 #ifdef SNDRV_SBAWE_EMU8000
266 acard->devwt = pnp_request_card_device(card, id->devs[1].id, acard->dev);
267 #endif
268 /* Audio initialization */
269 pdev = acard->dev;
270
271 err = pnp_activate_dev(pdev);
272 if (err < 0) {
273 snd_printk(KERN_ERR PFX "AUDIO pnp configure failure\n");
274 return err;
275 }
276 port[dev] = pnp_port_start(pdev, 0);
277 mpu_port[dev] = pnp_port_start(pdev, 1);
278 fm_port[dev] = pnp_port_start(pdev, 2);
279 dma8[dev] = pnp_dma(pdev, 0);
280 dma16[dev] = pnp_dma(pdev, 1);
281 irq[dev] = pnp_irq(pdev, 0);
282 snd_printdd("pnp SB16: port=0x%lx, mpu port=0x%lx, fm port=0x%lx\n",
283 port[dev], mpu_port[dev], fm_port[dev]);
284 snd_printdd("pnp SB16: dma1=%i, dma2=%i, irq=%i\n",
285 dma8[dev], dma16[dev], irq[dev]);
286 #ifdef SNDRV_SBAWE_EMU8000
287 /* WaveTable initialization */
288 pdev = acard->devwt;
289 if (pdev != NULL) {
290 err = pnp_activate_dev(pdev);
291 if (err < 0) {
292 goto __wt_error;
293 }
294 awe_port[dev] = pnp_port_start(pdev, 0);
295 snd_printdd("pnp SB16: wavetable port=0x%llx\n",
296 (unsigned long long)pnp_port_start(pdev, 0));
297 } else {
298 __wt_error:
299 if (pdev) {
300 pnp_release_card_device(pdev);
301 snd_printk(KERN_ERR PFX "WaveTable pnp configure failure\n");
302 }
303 acard->devwt = NULL;
304 awe_port[dev] = -1;
305 }
306 #endif
307 return 0;
308 }
309
310 #endif /* CONFIG_PNP */
311
312 static void snd_sb16_free(struct snd_card *card)
313 {
314 struct snd_card_sb16 *acard = card->private_data;
315
316 if (acard == NULL)
317 return;
318 release_and_free_resource(acard->fm_res);
319 }
320
321 #ifdef CONFIG_PNP
322 #define is_isapnp_selected(dev) isapnp[dev]
323 #else
324 #define is_isapnp_selected(dev) 0
325 #endif
326
327 static int snd_sb16_card_new(int dev, struct snd_card **cardp)
328 {
329 struct snd_card *card;
330 int err;
331
332 err = snd_card_create(index[dev], id[dev], THIS_MODULE,
333 sizeof(struct snd_card_sb16), &card);
334 if (err < 0)
335 return err;
336 card->private_free = snd_sb16_free;
337 *cardp = card;
338 return 0;
339 }
340
341 static int __devinit snd_sb16_probe(struct snd_card *card, int dev)
342 {
343 int xirq, xdma8, xdma16;
344 struct snd_sb *chip;
345 struct snd_card_sb16 *acard = card->private_data;
346 struct snd_opl3 *opl3;
347 struct snd_hwdep *synth = NULL;
348 #ifdef CONFIG_SND_SB16_CSP
349 struct snd_hwdep *xcsp = NULL;
350 #endif
351 unsigned long flags;
352 int err;
353
354 xirq = irq[dev];
355 xdma8 = dma8[dev];
356 xdma16 = dma16[dev];
357
358 if ((err = snd_sbdsp_create(card,
359 port[dev],
360 xirq,
361 snd_sb16dsp_interrupt,
362 xdma8,
363 xdma16,
364 SB_HW_AUTO,
365 &chip)) < 0)
366 return err;
367
368 acard->chip = chip;
369 if (chip->hardware != SB_HW_16) {
370 snd_printk(KERN_ERR PFX "SB 16 chip was not detected at 0x%lx\n", port[dev]);
371 return -ENODEV;
372 }
373 chip->mpu_port = mpu_port[dev];
374 if (! is_isapnp_selected(dev) && (err = snd_sb16dsp_configure(chip)) < 0)
375 return err;
376
377 if ((err = snd_sb16dsp_pcm(chip, 0, &chip->pcm)) < 0)
378 return err;
379
380 strcpy(card->driver,
381 #ifdef SNDRV_SBAWE_EMU8000
382 awe_port[dev] > 0 ? "SB AWE" :
383 #endif
384 "SB16");
385 strcpy(card->shortname, chip->name);
386 sprintf(card->longname, "%s at 0x%lx, irq %i, dma ",
387 chip->name,
388 chip->port,
389 xirq);
390 if (xdma8 >= 0)
391 sprintf(card->longname + strlen(card->longname), "%d", xdma8);
392 if (xdma16 >= 0)
393 sprintf(card->longname + strlen(card->longname), "%s%d",
394 xdma8 >= 0 ? "&" : "", xdma16);
395
396 if (chip->mpu_port > 0 && chip->mpu_port != SNDRV_AUTO_PORT) {
397 if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_SB,
398 chip->mpu_port, 0,
399 xirq, 0, &chip->rmidi)) < 0)
400 return err;
401 chip->rmidi_callback = snd_mpu401_uart_interrupt;
402 }
403
404 #ifdef SNDRV_SBAWE_EMU8000
405 if (awe_port[dev] == SNDRV_AUTO_PORT)
406 awe_port[dev] = 0; /* disable */
407 #endif
408
409 if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) {
410 if (snd_opl3_create(card, fm_port[dev], fm_port[dev] + 2,
411 OPL3_HW_OPL3,
412 acard->fm_res != NULL || fm_port[dev] == port[dev],
413 &opl3) < 0) {
414 snd_printk(KERN_ERR PFX "no OPL device at 0x%lx-0x%lx\n",
415 fm_port[dev], fm_port[dev] + 2);
416 } else {
417 #ifdef SNDRV_SBAWE_EMU8000
418 int seqdev = awe_port[dev] > 0 ? 2 : 1;
419 #else
420 int seqdev = 1;
421 #endif
422 if ((err = snd_opl3_hwdep_new(opl3, 0, seqdev, &synth)) < 0)
423 return err;
424 }
425 }
426
427 if ((err = snd_sbmixer_new(chip)) < 0)
428 return err;
429
430 #ifdef CONFIG_SND_SB16_CSP
431 /* CSP chip on SB16ASP/AWE32 */
432 if ((chip->hardware == SB_HW_16) && csp[dev]) {
433 snd_sb_csp_new(chip, synth != NULL ? 1 : 0, &xcsp);
434 if (xcsp) {
435 chip->csp = xcsp->private_data;
436 chip->hardware = SB_HW_16CSP;
437 } else {
438 snd_printk(KERN_INFO PFX "warning - CSP chip not detected on soundcard #%i\n", dev + 1);
439 }
440 }
441 #endif
442 #ifdef SNDRV_SBAWE_EMU8000
443 if (awe_port[dev] > 0) {
444 if ((err = snd_emu8000_new(card, 1, awe_port[dev],
445 seq_ports[dev], NULL)) < 0) {
446 snd_printk(KERN_ERR PFX "fatal error - EMU-8000 synthesizer not detected at 0x%lx\n", awe_port[dev]);
447
448 return err;
449 }
450 }
451 #endif
452
453 /* setup Mic AGC */
454 spin_lock_irqsave(&chip->mixer_lock, flags);
455 snd_sbmixer_write(chip, SB_DSP4_MIC_AGC,
456 (snd_sbmixer_read(chip, SB_DSP4_MIC_AGC) & 0x01) |
457 (mic_agc[dev] ? 0x00 : 0x01));
458 spin_unlock_irqrestore(&chip->mixer_lock, flags);
459
460 if ((err = snd_card_register(card)) < 0)
461 return err;
462
463 return 0;
464 }
465
466 #ifdef CONFIG_PM
467 static int snd_sb16_suspend(struct snd_card *card, pm_message_t state)
468 {
469 struct snd_card_sb16 *acard = card->private_data;
470 struct snd_sb *chip = acard->chip;
471
472 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
473 snd_pcm_suspend_all(chip->pcm);
474 snd_sbmixer_suspend(chip);
475 return 0;
476 }
477
478 static int snd_sb16_resume(struct snd_card *card)
479 {
480 struct snd_card_sb16 *acard = card->private_data;
481 struct snd_sb *chip = acard->chip;
482
483 snd_sbdsp_reset(chip);
484 snd_sbmixer_resume(chip);
485 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
486 return 0;
487 }
488 #endif
489
490 static int __devinit snd_sb16_isa_probe1(int dev, struct device *pdev)
491 {
492 struct snd_card_sb16 *acard;
493 struct snd_card *card;
494 int err;
495
496 err = snd_sb16_card_new(dev, &card);
497 if (err < 0)
498 return err;
499
500 acard = card->private_data;
501 /* non-PnP FM port address is hardwired with base port address */
502 fm_port[dev] = port[dev];
503 /* block the 0x388 port to avoid PnP conflicts */
504 acard->fm_res = request_region(0x388, 4, "SoundBlaster FM");
505 #ifdef SNDRV_SBAWE_EMU8000
506 /* non-PnP AWE port address is hardwired with base port address */
507 awe_port[dev] = port[dev] + 0x400;
508 #endif
509
510 snd_card_set_dev(card, pdev);
511 if ((err = snd_sb16_probe(card, dev)) < 0) {
512 snd_card_free(card);
513 return err;
514 }
515 dev_set_drvdata(pdev, card);
516 return 0;
517 }
518
519
520 static int __devinit snd_sb16_isa_match(struct device *pdev, unsigned int dev)
521 {
522 return enable[dev] && !is_isapnp_selected(dev);
523 }
524
525 static int __devinit snd_sb16_isa_probe(struct device *pdev, unsigned int dev)
526 {
527 int err;
528 static int possible_irqs[] = {5, 9, 10, 7, -1};
529 static int possible_dmas8[] = {1, 3, 0, -1};
530 static int possible_dmas16[] = {5, 6, 7, -1};
531
532 if (irq[dev] == SNDRV_AUTO_IRQ) {
533 if ((irq[dev] = snd_legacy_find_free_irq(possible_irqs)) < 0) {
534 snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
535 return -EBUSY;
536 }
537 }
538 if (dma8[dev] == SNDRV_AUTO_DMA) {
539 if ((dma8[dev] = snd_legacy_find_free_dma(possible_dmas8)) < 0) {
540 snd_printk(KERN_ERR PFX "unable to find a free 8-bit DMA\n");
541 return -EBUSY;
542 }
543 }
544 if (dma16[dev] == SNDRV_AUTO_DMA) {
545 if ((dma16[dev] = snd_legacy_find_free_dma(possible_dmas16)) < 0) {
546 snd_printk(KERN_ERR PFX "unable to find a free 16-bit DMA\n");
547 return -EBUSY;
548 }
549 }
550
551 if (port[dev] != SNDRV_AUTO_PORT)
552 return snd_sb16_isa_probe1(dev, pdev);
553 else {
554 static int possible_ports[] = {0x220, 0x240, 0x260, 0x280};
555 int i;
556 for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
557 port[dev] = possible_ports[i];
558 err = snd_sb16_isa_probe1(dev, pdev);
559 if (! err)
560 return 0;
561 }
562 return err;
563 }
564 }
565
566 static int __devexit snd_sb16_isa_remove(struct device *pdev, unsigned int dev)
567 {
568 snd_card_free(dev_get_drvdata(pdev));
569 dev_set_drvdata(pdev, NULL);
570 return 0;
571 }
572
573 #ifdef CONFIG_PM
574 static int snd_sb16_isa_suspend(struct device *dev, unsigned int n,
575 pm_message_t state)
576 {
577 return snd_sb16_suspend(dev_get_drvdata(dev), state);
578 }
579
580 static int snd_sb16_isa_resume(struct device *dev, unsigned int n)
581 {
582 return snd_sb16_resume(dev_get_drvdata(dev));
583 }
584 #endif
585
586 #ifdef SNDRV_SBAWE
587 #define DEV_NAME "sbawe"
588 #else
589 #define DEV_NAME "sb16"
590 #endif
591
592 static struct isa_driver snd_sb16_isa_driver = {
593 .match = snd_sb16_isa_match,
594 .probe = snd_sb16_isa_probe,
595 .remove = __devexit_p(snd_sb16_isa_remove),
596 #ifdef CONFIG_PM
597 .suspend = snd_sb16_isa_suspend,
598 .resume = snd_sb16_isa_resume,
599 #endif
600 .driver = {
601 .name = DEV_NAME
602 },
603 };
604
605
606 #ifdef CONFIG_PNP
607 static int __devinit snd_sb16_pnp_detect(struct pnp_card_link *pcard,
608 const struct pnp_card_device_id *pid)
609 {
610 static int dev;
611 struct snd_card *card;
612 int res;
613
614 for ( ; dev < SNDRV_CARDS; dev++) {
615 if (!enable[dev] || !isapnp[dev])
616 continue;
617 res = snd_sb16_card_new(dev, &card);
618 if (res < 0)
619 return res;
620 snd_card_set_dev(card, &pcard->card->dev);
621 if ((res = snd_card_sb16_pnp(dev, card->private_data, pcard, pid)) < 0 ||
622 (res = snd_sb16_probe(card, dev)) < 0) {
623 snd_card_free(card);
624 return res;
625 }
626 pnp_set_card_drvdata(pcard, card);
627 dev++;
628 return 0;
629 }
630
631 return -ENODEV;
632 }
633
634 static void __devexit snd_sb16_pnp_remove(struct pnp_card_link * pcard)
635 {
636 snd_card_free(pnp_get_card_drvdata(pcard));
637 pnp_set_card_drvdata(pcard, NULL);
638 }
639
640 #ifdef CONFIG_PM
641 static int snd_sb16_pnp_suspend(struct pnp_card_link *pcard, pm_message_t state)
642 {
643 return snd_sb16_suspend(pnp_get_card_drvdata(pcard), state);
644 }
645 static int snd_sb16_pnp_resume(struct pnp_card_link *pcard)
646 {
647 return snd_sb16_resume(pnp_get_card_drvdata(pcard));
648 }
649 #endif
650
651 static struct pnp_card_driver sb16_pnpc_driver = {
652 .flags = PNP_DRIVER_RES_DISABLE,
653 #ifdef SNDRV_SBAWE
654 .name = "sbawe",
655 #else
656 .name = "sb16",
657 #endif
658 .id_table = snd_sb16_pnpids,
659 .probe = snd_sb16_pnp_detect,
660 .remove = __devexit_p(snd_sb16_pnp_remove),
661 #ifdef CONFIG_PM
662 .suspend = snd_sb16_pnp_suspend,
663 .resume = snd_sb16_pnp_resume,
664 #endif
665 };
666
667 #endif /* CONFIG_PNP */
668
669 static int __init alsa_card_sb16_init(void)
670 {
671 int err;
672
673 err = isa_register_driver(&snd_sb16_isa_driver, SNDRV_CARDS);
674 #ifdef CONFIG_PNP
675 if (!err)
676 isa_registered = 1;
677
678 err = pnp_register_card_driver(&sb16_pnpc_driver);
679 if (!err)
680 pnp_registered = 1;
681
682 if (isa_registered)
683 err = 0;
684 #endif
685 return err;
686 }
687
688 static void __exit alsa_card_sb16_exit(void)
689 {
690 #ifdef CONFIG_PNP
691 if (pnp_registered)
692 pnp_unregister_card_driver(&sb16_pnpc_driver);
693 if (isa_registered)
694 #endif
695 isa_unregister_driver(&snd_sb16_isa_driver);
696 }
697
698 module_init(alsa_card_sb16_init)
699 module_exit(alsa_card_sb16_exit)
kernel-based virtual machine