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ath9k: Fix bug in validating received data length for edma
[linux-2.6/next.git] / sound / isa / sb / sb16.c
blob4d1c5a300ff84de4e75854dcfd17d2540ed4b453
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/pnp.h>
25 #include <linux/err.h>
26 #include <linux/isa.h>
27 #include <linux/moduleparam.h>
28 #include <sound/core.h>
29 #include <sound/sb.h>
30 #include <sound/sb16_csp.h>
31 #include <sound/mpu401.h>
32 #include <sound/opl3.h>
33 #include <sound/emu8000.h>
34 #include <sound/seq_device.h>
35 #define SNDRV_LEGACY_FIND_FREE_IRQ
36 #define SNDRV_LEGACY_FIND_FREE_DMA
37 #include <sound/initval.h>
38
39 #ifdef SNDRV_SBAWE
40 #define PFX "sbawe: "
41 #else
42 #define PFX "sb16: "
43 #endif
44
45 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
46 MODULE_LICENSE("GPL");
47 #ifndef SNDRV_SBAWE
48 MODULE_DESCRIPTION("Sound Blaster 16");
49 MODULE_SUPPORTED_DEVICE("{{Creative Labs,SB 16},"
50 "{Creative Labs,SB Vibra16S},"
51 "{Creative Labs,SB Vibra16C},"
52 "{Creative Labs,SB Vibra16CL},"
53 "{Creative Labs,SB Vibra16X}}");
54 #else
55 MODULE_DESCRIPTION("Sound Blaster AWE");
56 MODULE_SUPPORTED_DEVICE("{{Creative Labs,SB AWE 32},"
57 "{Creative Labs,SB AWE 64},"
58 "{Creative Labs,SB AWE 64 Gold}}");
59 #endif
60
61 #if 0
62 #define SNDRV_DEBUG_IRQ
63 #endif
64
65 #if defined(SNDRV_SBAWE) && (defined(CONFIG_SND_SEQUENCER) || (defined(MODULE) && defined(CONFIG_SND_SEQUENCER_MODULE)))
66 #define SNDRV_SBAWE_EMU8000
67 #endif
68
69 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
70 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
71 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP; /* Enable this card */
72 #ifdef CONFIG_PNP
73 static int isapnp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
74 #endif
75 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x240,0x260,0x280 */
76 static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x330,0x300 */
77 static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
78 #ifdef SNDRV_SBAWE_EMU8000
79 static long awe_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
80 #endif
81 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */
82 static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3 */
83 static int dma16[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 5,6,7 */
84 static int mic_agc[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
85 #ifdef CONFIG_SND_SB16_CSP
86 static int csp[SNDRV_CARDS];
87 #endif
88 #ifdef SNDRV_SBAWE_EMU8000
89 static int seq_ports[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 4};
90 #endif
91
92 module_param_array(index, int, NULL, 0444);
93 MODULE_PARM_DESC(index, "Index value for SoundBlaster 16 soundcard.");
94 module_param_array(id, charp, NULL, 0444);
95 MODULE_PARM_DESC(id, "ID string for SoundBlaster 16 soundcard.");
96 module_param_array(enable, bool, NULL, 0444);
97 MODULE_PARM_DESC(enable, "Enable SoundBlaster 16 soundcard.");
98 #ifdef CONFIG_PNP
99 module_param_array(isapnp, bool, NULL, 0444);
100 MODULE_PARM_DESC(isapnp, "PnP detection for specified soundcard.");
101 #endif
102 module_param_array(port, long, NULL, 0444);
103 MODULE_PARM_DESC(port, "Port # for SB16 driver.");
104 module_param_array(mpu_port, long, NULL, 0444);
105 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for SB16 driver.");
106 module_param_array(fm_port, long, NULL, 0444);
107 MODULE_PARM_DESC(fm_port, "FM port # for SB16 PnP driver.");
108 #ifdef SNDRV_SBAWE_EMU8000
109 module_param_array(awe_port, long, NULL, 0444);
110 MODULE_PARM_DESC(awe_port, "AWE port # for SB16 PnP driver.");
111 #endif
112 module_param_array(irq, int, NULL, 0444);
113 MODULE_PARM_DESC(irq, "IRQ # for SB16 driver.");
114 module_param_array(dma8, int, NULL, 0444);
115 MODULE_PARM_DESC(dma8, "8-bit DMA # for SB16 driver.");
116 module_param_array(dma16, int, NULL, 0444);
117 MODULE_PARM_DESC(dma16, "16-bit DMA # for SB16 driver.");
118 module_param_array(mic_agc, int, NULL, 0444);
119 MODULE_PARM_DESC(mic_agc, "Mic Auto-Gain-Control switch.");
120 #ifdef CONFIG_SND_SB16_CSP
121 module_param_array(csp, int, NULL, 0444);
122 MODULE_PARM_DESC(csp, "ASP/CSP chip support.");
123 #endif
124 #ifdef SNDRV_SBAWE_EMU8000
125 module_param_array(seq_ports, int, NULL, 0444);
126 MODULE_PARM_DESC(seq_ports, "Number of sequencer ports for WaveTable synth.");
127 #endif
128
129 #ifdef CONFIG_PNP
130 static int isa_registered;
131 static int pnp_registered;
132 #endif
133
134 struct snd_card_sb16 {
135 struct resource *fm_res; /* used to block FM i/o region for legacy cards */
136 struct snd_sb *chip;
137 #ifdef CONFIG_PNP
138 int dev_no;
139 struct pnp_dev *dev;
140 #ifdef SNDRV_SBAWE_EMU8000
141 struct pnp_dev *devwt;
142 #endif
143 #endif
144 };
145
146 #ifdef CONFIG_PNP
147
148 static struct pnp_card_device_id snd_sb16_pnpids[] = {
149 #ifndef SNDRV_SBAWE
150 /* Sound Blaster 16 PnP */
151 { .id = "CTL0024", .devs = { { "CTL0031" } } },
152 /* Sound Blaster 16 PnP */
153 { .id = "CTL0025", .devs = { { "CTL0031" } } },
154 /* Sound Blaster 16 PnP */
155 { .id = "CTL0026", .devs = { { "CTL0031" } } },
156 /* Sound Blaster 16 PnP */
157 { .id = "CTL0027", .devs = { { "CTL0031" } } },
158 /* Sound Blaster 16 PnP */
159 { .id = "CTL0028", .devs = { { "CTL0031" } } },
160 /* Sound Blaster 16 PnP */
161 { .id = "CTL0029", .devs = { { "CTL0031" } } },
162 /* Sound Blaster 16 PnP */
163 { .id = "CTL002a", .devs = { { "CTL0031" } } },
164 /* Sound Blaster 16 PnP */
165 /* Note: This card has also a CTL0051:StereoEnhance device!!! */
166 { .id = "CTL002b", .devs = { { "CTL0031" } } },
167 /* Sound Blaster 16 PnP */
168 { .id = "CTL002c", .devs = { { "CTL0031" } } },
169 /* Sound Blaster Vibra16S */
170 { .id = "CTL0051", .devs = { { "CTL0001" } } },
171 /* Sound Blaster Vibra16C */
172 { .id = "CTL0070", .devs = { { "CTL0001" } } },
173 /* Sound Blaster Vibra16CL - added by ctm@ardi.com */
174 { .id = "CTL0080", .devs = { { "CTL0041" } } },
175 /* Sound Blaster 16 'value' PnP. It says model ct4130 on the pcb, */
176 /* but ct4131 on a sticker on the board.. */
177 { .id = "CTL0086", .devs = { { "CTL0041" } } },
178 /* Sound Blaster Vibra16X */
179 { .id = "CTL00f0", .devs = { { "CTL0043" } } },
180 /* Sound Blaster 16 (Virtual PC 2004) */
181 { .id = "tBA03b0", .devs = { {.id="PNPb003" } } },
182 #else /* SNDRV_SBAWE defined */
183 /* Sound Blaster AWE 32 PnP */
184 { .id = "CTL0035", .devs = { { "CTL0031" }, { "CTL0021" } } },
185 /* Sound Blaster AWE 32 PnP */
186 { .id = "CTL0039", .devs = { { "CTL0031" }, { "CTL0021" } } },
187 /* Sound Blaster AWE 32 PnP */
188 { .id = "CTL0042", .devs = { { "CTL0031" }, { "CTL0021" } } },
189 /* Sound Blaster AWE 32 PnP */
190 { .id = "CTL0043", .devs = { { "CTL0031" }, { "CTL0021" } } },
191 /* Sound Blaster AWE 32 PnP */
192 /* Note: This card has also a CTL0051:StereoEnhance device!!! */
193 { .id = "CTL0044", .devs = { { "CTL0031" }, { "CTL0021" } } },
194 /* Sound Blaster AWE 32 PnP */
195 /* Note: This card has also a CTL0051:StereoEnhance device!!! */
196 { .id = "CTL0045", .devs = { { "CTL0031" }, { "CTL0021" } } },
197 /* Sound Blaster AWE 32 PnP */
198 { .id = "CTL0046", .devs = { { "CTL0031" }, { "CTL0021" } } },
199 /* Sound Blaster AWE 32 PnP */
200 { .id = "CTL0047", .devs = { { "CTL0031" }, { "CTL0021" } } },
201 /* Sound Blaster AWE 32 PnP */
202 { .id = "CTL0048", .devs = { { "CTL0031" }, { "CTL0021" } } },
203 /* Sound Blaster AWE 32 PnP */
204 { .id = "CTL0054", .devs = { { "CTL0031" }, { "CTL0021" } } },
205 /* Sound Blaster AWE 32 PnP */
206 { .id = "CTL009a", .devs = { { "CTL0041" }, { "CTL0021" } } },
207 /* Sound Blaster AWE 32 PnP */
208 { .id = "CTL009c", .devs = { { "CTL0041" }, { "CTL0021" } } },
209 /* Sound Blaster 32 PnP */
210 { .id = "CTL009f", .devs = { { "CTL0041" }, { "CTL0021" } } },
211 /* Sound Blaster AWE 64 PnP */
212 { .id = "CTL009d", .devs = { { "CTL0042" }, { "CTL0022" } } },
213 /* Sound Blaster AWE 64 PnP Gold */
214 { .id = "CTL009e", .devs = { { "CTL0044" }, { "CTL0023" } } },
215 /* Sound Blaster AWE 64 PnP Gold */
216 { .id = "CTL00b2", .devs = { { "CTL0044" }, { "CTL0023" } } },
217 /* Sound Blaster AWE 64 PnP */
218 { .id = "CTL00c1", .devs = { { "CTL0042" }, { "CTL0022" } } },
219 /* Sound Blaster AWE 64 PnP */
220 { .id = "CTL00c3", .devs = { { "CTL0045" }, { "CTL0022" } } },
221 /* Sound Blaster AWE 64 PnP */
222 { .id = "CTL00c5", .devs = { { "CTL0045" }, { "CTL0022" } } },
223 /* Sound Blaster AWE 64 PnP */
224 { .id = "CTL00c7", .devs = { { "CTL0045" }, { "CTL0022" } } },
225 /* Sound Blaster AWE 64 PnP */
226 { .id = "CTL00e4", .devs = { { "CTL0045" }, { "CTL0022" } } },
227 /* Sound Blaster AWE 64 PnP */
228 { .id = "CTL00e9", .devs = { { "CTL0045" }, { "CTL0022" } } },
229 /* Sound Blaster 16 PnP (AWE) */
230 { .id = "CTL00ed", .devs = { { "CTL0041" }, { "CTL0070" } } },
231 /* Generic entries */
232 { .id = "CTLXXXX" , .devs = { { "CTL0031" }, { "CTL0021" } } },
233 { .id = "CTLXXXX" , .devs = { { "CTL0041" }, { "CTL0021" } } },
234 { .id = "CTLXXXX" , .devs = { { "CTL0042" }, { "CTL0022" } } },
235 { .id = "CTLXXXX" , .devs = { { "CTL0044" }, { "CTL0023" } } },
236 { .id = "CTLXXXX" , .devs = { { "CTL0045" }, { "CTL0022" } } },
237 #endif /* SNDRV_SBAWE */
238 { .id = "", }
239 };
240
241 MODULE_DEVICE_TABLE(pnp_card, snd_sb16_pnpids);
242
243 #endif /* CONFIG_PNP */
244
245 #ifdef SNDRV_SBAWE_EMU8000
246 #define DRIVER_NAME "snd-card-sbawe"
247 #else
248 #define DRIVER_NAME "snd-card-sb16"
249 #endif
250
251 #ifdef CONFIG_PNP
252
253 static int __devinit snd_card_sb16_pnp(int dev, struct snd_card_sb16 *acard,
254 struct pnp_card_link *card,
255 const struct pnp_card_device_id *id)
256 {
257 struct pnp_dev *pdev;
258 int err;
259
260 acard->dev = pnp_request_card_device(card, id->devs[0].id, NULL);
261 if (acard->dev == NULL)
262 return -ENODEV;
263
264 #ifdef SNDRV_SBAWE_EMU8000
265 acard->devwt = pnp_request_card_device(card, id->devs[1].id, acard->dev);
266 #endif
267 /* Audio initialization */
268 pdev = acard->dev;
269
270 err = pnp_activate_dev(pdev);
271 if (err < 0) {
272 snd_printk(KERN_ERR PFX "AUDIO pnp configure failure\n");
273 return err;
274 }
275 port[dev] = pnp_port_start(pdev, 0);
276 mpu_port[dev] = pnp_port_start(pdev, 1);
277 fm_port[dev] = pnp_port_start(pdev, 2);
278 dma8[dev] = pnp_dma(pdev, 0);
279 dma16[dev] = pnp_dma(pdev, 1);
280 irq[dev] = pnp_irq(pdev, 0);
281 snd_printdd("pnp SB16: port=0x%lx, mpu port=0x%lx, fm port=0x%lx\n",
282 port[dev], mpu_port[dev], fm_port[dev]);
283 snd_printdd("pnp SB16: dma1=%i, dma2=%i, irq=%i\n",
284 dma8[dev], dma16[dev], irq[dev]);
285 #ifdef SNDRV_SBAWE_EMU8000
286 /* WaveTable initialization */
287 pdev = acard->devwt;
288 if (pdev != NULL) {
289 err = pnp_activate_dev(pdev);
290 if (err < 0) {
291 goto __wt_error;
292 }
293 awe_port[dev] = pnp_port_start(pdev, 0);
294 snd_printdd("pnp SB16: wavetable port=0x%llx\n",
295 (unsigned long long)pnp_port_start(pdev, 0));
296 } else {
297 __wt_error:
298 if (pdev) {
299 pnp_release_card_device(pdev);
300 snd_printk(KERN_ERR PFX "WaveTable pnp configure failure\n");
301 }
302 acard->devwt = NULL;
303 awe_port[dev] = -1;
304 }
305 #endif
306 return 0;
307 }
308
309 #endif /* CONFIG_PNP */
310
311 static void snd_sb16_free(struct snd_card *card)
312 {
313 struct snd_card_sb16 *acard = card->private_data;
314
315 if (acard == NULL)
316 return;
317 release_and_free_resource(acard->fm_res);
318 }
319
320 #ifdef CONFIG_PNP
321 #define is_isapnp_selected(dev) isapnp[dev]
322 #else
323 #define is_isapnp_selected(dev) 0
324 #endif
325
326 static int snd_sb16_card_new(int dev, struct snd_card **cardp)
327 {
328 struct snd_card *card;
329 int err;
330
331 err = snd_card_create(index[dev], id[dev], THIS_MODULE,
332 sizeof(struct snd_card_sb16), &card);
333 if (err < 0)
334 return err;
335 card->private_free = snd_sb16_free;
336 *cardp = card;
337 return 0;
338 }
339
340 static int __devinit snd_sb16_probe(struct snd_card *card, int dev)
341 {
342 int xirq, xdma8, xdma16;
343 struct snd_sb *chip;
344 struct snd_card_sb16 *acard = card->private_data;
345 struct snd_opl3 *opl3;
346 struct snd_hwdep *synth = NULL;
347 #ifdef CONFIG_SND_SB16_CSP
348 struct snd_hwdep *xcsp = NULL;
349 #endif
350 unsigned long flags;
351 int err;
352
353 xirq = irq[dev];
354 xdma8 = dma8[dev];
355 xdma16 = dma16[dev];
356
357 if ((err = snd_sbdsp_create(card,
358 port[dev],
359 xirq,
360 snd_sb16dsp_interrupt,
361 xdma8,
362 xdma16,
363 SB_HW_AUTO,
364 &chip)) < 0)
365 return err;
366
367 acard->chip = chip;
368 if (chip->hardware != SB_HW_16) {
369 snd_printk(KERN_ERR PFX "SB 16 chip was not detected at 0x%lx\n", port[dev]);
370 return -ENODEV;
371 }
372 chip->mpu_port = mpu_port[dev];
373 if (! is_isapnp_selected(dev) && (err = snd_sb16dsp_configure(chip)) < 0)
374 return err;
375
376 if ((err = snd_sb16dsp_pcm(chip, 0, &chip->pcm)) < 0)
377 return err;
378
379 strcpy(card->driver,
380 #ifdef SNDRV_SBAWE_EMU8000
381 awe_port[dev] > 0 ? "SB AWE" :
382 #endif
383 "SB16");
384 strcpy(card->shortname, chip->name);
385 sprintf(card->longname, "%s at 0x%lx, irq %i, dma ",
386 chip->name,
387 chip->port,
388 xirq);
389 if (xdma8 >= 0)
390 sprintf(card->longname + strlen(card->longname), "%d", xdma8);
391 if (xdma16 >= 0)
392 sprintf(card->longname + strlen(card->longname), "%s%d",
393 xdma8 >= 0 ? "&" : "", xdma16);
394
395 if (chip->mpu_port > 0 && chip->mpu_port != SNDRV_AUTO_PORT) {
396 if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_SB,
397 chip->mpu_port, 0,
398 xirq, 0, &chip->rmidi)) < 0)
399 return err;
400 chip->rmidi_callback = snd_mpu401_uart_interrupt;
401 }
402
403 #ifdef SNDRV_SBAWE_EMU8000
404 if (awe_port[dev] == SNDRV_AUTO_PORT)
405 awe_port[dev] = 0; /* disable */
406 #endif
407
408 if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) {
409 if (snd_opl3_create(card, fm_port[dev], fm_port[dev] + 2,
410 OPL3_HW_OPL3,
411 acard->fm_res != NULL || fm_port[dev] == port[dev],
412 &opl3) < 0) {
413 snd_printk(KERN_ERR PFX "no OPL device at 0x%lx-0x%lx\n",
414 fm_port[dev], fm_port[dev] + 2);
415 } else {
416 #ifdef SNDRV_SBAWE_EMU8000
417 int seqdev = awe_port[dev] > 0 ? 2 : 1;
418 #else
419 int seqdev = 1;
420 #endif
421 if ((err = snd_opl3_hwdep_new(opl3, 0, seqdev, &synth)) < 0)
422 return err;
423 }
424 }
425
426 if ((err = snd_sbmixer_new(chip)) < 0)
427 return err;
428
429 #ifdef CONFIG_SND_SB16_CSP
430 /* CSP chip on SB16ASP/AWE32 */
431 if ((chip->hardware == SB_HW_16) && csp[dev]) {
432 snd_sb_csp_new(chip, synth != NULL ? 1 : 0, &xcsp);
433 if (xcsp) {
434 chip->csp = xcsp->private_data;
435 chip->hardware = SB_HW_16CSP;
436 } else {
437 snd_printk(KERN_INFO PFX "warning - CSP chip not detected on soundcard #%i\n", dev + 1);
438 }
439 }
440 #endif
441 #ifdef SNDRV_SBAWE_EMU8000
442 if (awe_port[dev] > 0) {
443 if ((err = snd_emu8000_new(card, 1, awe_port[dev],
444 seq_ports[dev], NULL)) < 0) {
445 snd_printk(KERN_ERR PFX "fatal error - EMU-8000 synthesizer not detected at 0x%lx\n", awe_port[dev]);
446
447 return err;
448 }
449 }
450 #endif
451
452 /* setup Mic AGC */
453 spin_lock_irqsave(&chip->mixer_lock, flags);
454 snd_sbmixer_write(chip, SB_DSP4_MIC_AGC,
455 (snd_sbmixer_read(chip, SB_DSP4_MIC_AGC) & 0x01) |
456 (mic_agc[dev] ? 0x00 : 0x01));
457 spin_unlock_irqrestore(&chip->mixer_lock, flags);
458
459 if ((err = snd_card_register(card)) < 0)
460 return err;
461
462 return 0;
463 }
464
465 #ifdef CONFIG_PM
466 static int snd_sb16_suspend(struct snd_card *card, pm_message_t state)
467 {
468 struct snd_card_sb16 *acard = card->private_data;
469 struct snd_sb *chip = acard->chip;
470
471 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
472 snd_pcm_suspend_all(chip->pcm);
473 snd_sbmixer_suspend(chip);
474 return 0;
475 }
476
477 static int snd_sb16_resume(struct snd_card *card)
478 {
479 struct snd_card_sb16 *acard = card->private_data;
480 struct snd_sb *chip = acard->chip;
481
482 snd_sbdsp_reset(chip);
483 snd_sbmixer_resume(chip);
484 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
485 return 0;
486 }
487 #endif
488
489 static int __devinit snd_sb16_isa_probe1(int dev, struct device *pdev)
490 {
491 struct snd_card_sb16 *acard;
492 struct snd_card *card;
493 int err;
494
495 err = snd_sb16_card_new(dev, &card);
496 if (err < 0)
497 return err;
498
499 acard = card->private_data;
500 /* non-PnP FM port address is hardwired with base port address */
501 fm_port[dev] = port[dev];
502 /* block the 0x388 port to avoid PnP conflicts */
503 acard->fm_res = request_region(0x388, 4, "SoundBlaster FM");
504 #ifdef SNDRV_SBAWE_EMU8000
505 /* non-PnP AWE port address is hardwired with base port address */
506 awe_port[dev] = port[dev] + 0x400;
507 #endif
508
509 snd_card_set_dev(card, pdev);
510 if ((err = snd_sb16_probe(card, dev)) < 0) {
511 snd_card_free(card);
512 return err;
513 }
514 dev_set_drvdata(pdev, card);
515 return 0;
516 }
517
518
519 static int __devinit snd_sb16_isa_match(struct device *pdev, unsigned int dev)
520 {
521 return enable[dev] && !is_isapnp_selected(dev);
522 }
523
524 static int __devinit snd_sb16_isa_probe(struct device *pdev, unsigned int dev)
525 {
526 int err;
527 static int possible_irqs[] = {5, 9, 10, 7, -1};
528 static int possible_dmas8[] = {1, 3, 0, -1};
529 static int possible_dmas16[] = {5, 6, 7, -1};
530
531 if (irq[dev] == SNDRV_AUTO_IRQ) {
532 if ((irq[dev] = snd_legacy_find_free_irq(possible_irqs)) < 0) {
533 snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
534 return -EBUSY;
535 }
536 }
537 if (dma8[dev] == SNDRV_AUTO_DMA) {
538 if ((dma8[dev] = snd_legacy_find_free_dma(possible_dmas8)) < 0) {
539 snd_printk(KERN_ERR PFX "unable to find a free 8-bit DMA\n");
540 return -EBUSY;
541 }
542 }
543 if (dma16[dev] == SNDRV_AUTO_DMA) {
544 if ((dma16[dev] = snd_legacy_find_free_dma(possible_dmas16)) < 0) {
545 snd_printk(KERN_ERR PFX "unable to find a free 16-bit DMA\n");
546 return -EBUSY;
547 }
548 }
549
550 if (port[dev] != SNDRV_AUTO_PORT)
551 return snd_sb16_isa_probe1(dev, pdev);
552 else {
553 static int possible_ports[] = {0x220, 0x240, 0x260, 0x280};
554 int i;
555 for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
556 port[dev] = possible_ports[i];
557 err = snd_sb16_isa_probe1(dev, pdev);
558 if (! err)
559 return 0;
560 }
561 return err;
562 }
563 }
564
565 static int __devexit snd_sb16_isa_remove(struct device *pdev, unsigned int dev)
566 {
567 snd_card_free(dev_get_drvdata(pdev));
568 dev_set_drvdata(pdev, NULL);
569 return 0;
570 }
571
572 #ifdef CONFIG_PM
573 static int snd_sb16_isa_suspend(struct device *dev, unsigned int n,
574 pm_message_t state)
575 {
576 return snd_sb16_suspend(dev_get_drvdata(dev), state);
577 }
578
579 static int snd_sb16_isa_resume(struct device *dev, unsigned int n)
580 {
581 return snd_sb16_resume(dev_get_drvdata(dev));
582 }
583 #endif
584
585 #ifdef SNDRV_SBAWE
586 #define DEV_NAME "sbawe"
587 #else
588 #define DEV_NAME "sb16"
589 #endif
590
591 static struct isa_driver snd_sb16_isa_driver = {
592 .match = snd_sb16_isa_match,
593 .probe = snd_sb16_isa_probe,
594 .remove = __devexit_p(snd_sb16_isa_remove),
595 #ifdef CONFIG_PM
596 .suspend = snd_sb16_isa_suspend,
597 .resume = snd_sb16_isa_resume,
598 #endif
599 .driver = {
600 .name = DEV_NAME
601 },
602 };
603
604
605 #ifdef CONFIG_PNP
606 static int __devinit snd_sb16_pnp_detect(struct pnp_card_link *pcard,
607 const struct pnp_card_device_id *pid)
608 {
609 static int dev;
610 struct snd_card *card;
611 int res;
612
613 for ( ; dev < SNDRV_CARDS; dev++) {
614 if (!enable[dev] || !isapnp[dev])
615 continue;
616 res = snd_sb16_card_new(dev, &card);
617 if (res < 0)
618 return res;
619 snd_card_set_dev(card, &pcard->card->dev);
620 if ((res = snd_card_sb16_pnp(dev, card->private_data, pcard, pid)) < 0 ||
621 (res = snd_sb16_probe(card, dev)) < 0) {
622 snd_card_free(card);
623 return res;
624 }
625 pnp_set_card_drvdata(pcard, card);
626 dev++;
627 return 0;
628 }
629
630 return -ENODEV;
631 }
632
633 static void __devexit snd_sb16_pnp_remove(struct pnp_card_link * pcard)
634 {
635 snd_card_free(pnp_get_card_drvdata(pcard));
636 pnp_set_card_drvdata(pcard, NULL);
637 }
638
639 #ifdef CONFIG_PM
640 static int snd_sb16_pnp_suspend(struct pnp_card_link *pcard, pm_message_t state)
641 {
642 return snd_sb16_suspend(pnp_get_card_drvdata(pcard), state);
643 }
644 static int snd_sb16_pnp_resume(struct pnp_card_link *pcard)
645 {
646 return snd_sb16_resume(pnp_get_card_drvdata(pcard));
647 }
648 #endif
649
650 static struct pnp_card_driver sb16_pnpc_driver = {
651 .flags = PNP_DRIVER_RES_DISABLE,
652 #ifdef SNDRV_SBAWE
653 .name = "sbawe",
654 #else
655 .name = "sb16",
656 #endif
657 .id_table = snd_sb16_pnpids,
658 .probe = snd_sb16_pnp_detect,
659 .remove = __devexit_p(snd_sb16_pnp_remove),
660 #ifdef CONFIG_PM
661 .suspend = snd_sb16_pnp_suspend,
662 .resume = snd_sb16_pnp_resume,
663 #endif
664 };
665
666 #endif /* CONFIG_PNP */
667
668 static int __init alsa_card_sb16_init(void)
669 {
670 int err;
671
672 err = isa_register_driver(&snd_sb16_isa_driver, SNDRV_CARDS);
673 #ifdef CONFIG_PNP
674 if (!err)
675 isa_registered = 1;
676
677 err = pnp_register_card_driver(&sb16_pnpc_driver);
678 if (!err)
679 pnp_registered = 1;
680
681 if (isa_registered)
682 err = 0;
683 #endif
684 return err;
685 }
686
687 static void __exit alsa_card_sb16_exit(void)
688 {
689 #ifdef CONFIG_PNP
690 if (pnp_registered)
691 pnp_unregister_card_driver(&sb16_pnpc_driver);
692 if (isa_registered)
693 #endif
694 isa_unregister_driver(&snd_sb16_isa_driver);
695 }
696
697 module_init(alsa_card_sb16_init)
698 module_exit(alsa_card_sb16_exit)
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