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iov_iter_advance() fix
[wrt350n-kernel.git] / sound / isa / sb / sb16.c
blob2c201f78ce50a0abd79238c51d81e8f8b8482952
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 struct snd_card *snd_sb16_card_new(int dev)
328 {
329 struct snd_card *card = snd_card_new(index[dev], id[dev], THIS_MODULE,
330 sizeof(struct snd_card_sb16));
331 if (card == NULL)
332 return NULL;
333 card->private_free = snd_sb16_free;
334 return card;
335 }
336
337 static int __devinit snd_sb16_probe(struct snd_card *card, int dev)
338 {
339 int xirq, xdma8, xdma16;
340 struct snd_sb *chip;
341 struct snd_card_sb16 *acard = card->private_data;
342 struct snd_opl3 *opl3;
343 struct snd_hwdep *synth = NULL;
344 #ifdef CONFIG_SND_SB16_CSP
345 struct snd_hwdep *xcsp = NULL;
346 #endif
347 unsigned long flags;
348 int err;
349
350 xirq = irq[dev];
351 xdma8 = dma8[dev];
352 xdma16 = dma16[dev];
353
354 if ((err = snd_sbdsp_create(card,
355 port[dev],
356 xirq,
357 snd_sb16dsp_interrupt,
358 xdma8,
359 xdma16,
360 SB_HW_AUTO,
361 &chip)) < 0)
362 return err;
363
364 acard->chip = chip;
365 if (chip->hardware != SB_HW_16) {
366 snd_printk(KERN_ERR PFX "SB 16 chip was not detected at 0x%lx\n", port[dev]);
367 return -ENODEV;
368 }
369 chip->mpu_port = mpu_port[dev];
370 if (! is_isapnp_selected(dev) && (err = snd_sb16dsp_configure(chip)) < 0)
371 return err;
372
373 if ((err = snd_sb16dsp_pcm(chip, 0, &chip->pcm)) < 0)
374 return err;
375
376 strcpy(card->driver,
377 #ifdef SNDRV_SBAWE_EMU8000
378 awe_port[dev] > 0 ? "SB AWE" :
379 #endif
380 "SB16");
381 strcpy(card->shortname, chip->name);
382 sprintf(card->longname, "%s at 0x%lx, irq %i, dma ",
383 chip->name,
384 chip->port,
385 xirq);
386 if (xdma8 >= 0)
387 sprintf(card->longname + strlen(card->longname), "%d", xdma8);
388 if (xdma16 >= 0)
389 sprintf(card->longname + strlen(card->longname), "%s%d",
390 xdma8 >= 0 ? "&" : "", xdma16);
391
392 if (chip->mpu_port > 0 && chip->mpu_port != SNDRV_AUTO_PORT) {
393 if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_SB,
394 chip->mpu_port, 0,
395 xirq, 0, &chip->rmidi)) < 0)
396 return err;
397 chip->rmidi_callback = snd_mpu401_uart_interrupt;
398 }
399
400 #ifdef SNDRV_SBAWE_EMU8000
401 if (awe_port[dev] == SNDRV_AUTO_PORT)
402 awe_port[dev] = 0; /* disable */
403 #endif
404
405 if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) {
406 if (snd_opl3_create(card, fm_port[dev], fm_port[dev] + 2,
407 OPL3_HW_OPL3,
408 acard->fm_res != NULL || fm_port[dev] == port[dev],
409 &opl3) < 0) {
410 snd_printk(KERN_ERR PFX "no OPL device at 0x%lx-0x%lx\n",
411 fm_port[dev], fm_port[dev] + 2);
412 } else {
413 #ifdef SNDRV_SBAWE_EMU8000
414 int seqdev = awe_port[dev] > 0 ? 2 : 1;
415 #else
416 int seqdev = 1;
417 #endif
418 if ((err = snd_opl3_hwdep_new(opl3, 0, seqdev, &synth)) < 0)
419 return err;
420 }
421 }
422
423 if ((err = snd_sbmixer_new(chip)) < 0)
424 return err;
425
426 #ifdef CONFIG_SND_SB16_CSP
427 /* CSP chip on SB16ASP/AWE32 */
428 if ((chip->hardware == SB_HW_16) && csp[dev]) {
429 snd_sb_csp_new(chip, synth != NULL ? 1 : 0, &xcsp);
430 if (xcsp) {
431 chip->csp = xcsp->private_data;
432 chip->hardware = SB_HW_16CSP;
433 } else {
434 snd_printk(KERN_INFO PFX "warning - CSP chip not detected on soundcard #%i\n", dev + 1);
435 }
436 }
437 #endif
438 #ifdef SNDRV_SBAWE_EMU8000
439 if (awe_port[dev] > 0) {
440 if ((err = snd_emu8000_new(card, 1, awe_port[dev],
441 seq_ports[dev], NULL)) < 0) {
442 snd_printk(KERN_ERR PFX "fatal error - EMU-8000 synthesizer not detected at 0x%lx\n", awe_port[dev]);
443
444 return err;
445 }
446 }
447 #endif
448
449 /* setup Mic AGC */
450 spin_lock_irqsave(&chip->mixer_lock, flags);
451 snd_sbmixer_write(chip, SB_DSP4_MIC_AGC,
452 (snd_sbmixer_read(chip, SB_DSP4_MIC_AGC) & 0x01) |
453 (mic_agc[dev] ? 0x00 : 0x01));
454 spin_unlock_irqrestore(&chip->mixer_lock, flags);
455
456 if ((err = snd_card_register(card)) < 0)
457 return err;
458
459 return 0;
460 }
461
462 #ifdef CONFIG_PM
463 static int snd_sb16_suspend(struct snd_card *card, pm_message_t state)
464 {
465 struct snd_card_sb16 *acard = card->private_data;
466 struct snd_sb *chip = acard->chip;
467
468 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
469 snd_pcm_suspend_all(chip->pcm);
470 snd_sbmixer_suspend(chip);
471 return 0;
472 }
473
474 static int snd_sb16_resume(struct snd_card *card)
475 {
476 struct snd_card_sb16 *acard = card->private_data;
477 struct snd_sb *chip = acard->chip;
478
479 snd_sbdsp_reset(chip);
480 snd_sbmixer_resume(chip);
481 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
482 return 0;
483 }
484 #endif
485
486 static int __devinit snd_sb16_isa_probe1(int dev, struct device *pdev)
487 {
488 struct snd_card_sb16 *acard;
489 struct snd_card *card;
490 int err;
491
492 card = snd_sb16_card_new(dev);
493 if (! card)
494 return -ENOMEM;
495
496 acard = card->private_data;
497 /* non-PnP FM port address is hardwired with base port address */
498 fm_port[dev] = port[dev];
499 /* block the 0x388 port to avoid PnP conflicts */
500 acard->fm_res = request_region(0x388, 4, "SoundBlaster FM");
501 #ifdef SNDRV_SBAWE_EMU8000
502 /* non-PnP AWE port address is hardwired with base port address */
503 awe_port[dev] = port[dev] + 0x400;
504 #endif
505
506 snd_card_set_dev(card, pdev);
507 if ((err = snd_sb16_probe(card, dev)) < 0) {
508 snd_card_free(card);
509 return err;
510 }
511 dev_set_drvdata(pdev, card);
512 return 0;
513 }
514
515
516 static int __devinit snd_sb16_isa_match(struct device *pdev, unsigned int dev)
517 {
518 return enable[dev] && !is_isapnp_selected(dev);
519 }
520
521 static int __devinit snd_sb16_isa_probe(struct device *pdev, unsigned int dev)
522 {
523 int err;
524 static int possible_irqs[] = {5, 9, 10, 7, -1};
525 static int possible_dmas8[] = {1, 3, 0, -1};
526 static int possible_dmas16[] = {5, 6, 7, -1};
527
528 if (irq[dev] == SNDRV_AUTO_IRQ) {
529 if ((irq[dev] = snd_legacy_find_free_irq(possible_irqs)) < 0) {
530 snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
531 return -EBUSY;
532 }
533 }
534 if (dma8[dev] == SNDRV_AUTO_DMA) {
535 if ((dma8[dev] = snd_legacy_find_free_dma(possible_dmas8)) < 0) {
536 snd_printk(KERN_ERR PFX "unable to find a free 8-bit DMA\n");
537 return -EBUSY;
538 }
539 }
540 if (dma16[dev] == SNDRV_AUTO_DMA) {
541 if ((dma16[dev] = snd_legacy_find_free_dma(possible_dmas16)) < 0) {
542 snd_printk(KERN_ERR PFX "unable to find a free 16-bit DMA\n");
543 return -EBUSY;
544 }
545 }
546
547 if (port[dev] != SNDRV_AUTO_PORT)
548 return snd_sb16_isa_probe1(dev, pdev);
549 else {
550 static int possible_ports[] = {0x220, 0x240, 0x260, 0x280};
551 int i;
552 for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
553 port[dev] = possible_ports[i];
554 err = snd_sb16_isa_probe1(dev, pdev);
555 if (! err)
556 return 0;
557 }
558 return err;
559 }
560 }
561
562 static int __devexit snd_sb16_isa_remove(struct device *pdev, unsigned int dev)
563 {
564 snd_card_free(dev_get_drvdata(pdev));
565 dev_set_drvdata(pdev, NULL);
566 return 0;
567 }
568
569 #ifdef CONFIG_PM
570 static int snd_sb16_isa_suspend(struct device *dev, unsigned int n,
571 pm_message_t state)
572 {
573 return snd_sb16_suspend(dev_get_drvdata(dev), state);
574 }
575
576 static int snd_sb16_isa_resume(struct device *dev, unsigned int n)
577 {
578 return snd_sb16_resume(dev_get_drvdata(dev));
579 }
580 #endif
581
582 #ifdef SNDRV_SBAWE
583 #define DEV_NAME "sbawe"
584 #else
585 #define DEV_NAME "sb16"
586 #endif
587
588 static struct isa_driver snd_sb16_isa_driver = {
589 .match = snd_sb16_isa_match,
590 .probe = snd_sb16_isa_probe,
591 .remove = __devexit_p(snd_sb16_isa_remove),
592 #ifdef CONFIG_PM
593 .suspend = snd_sb16_isa_suspend,
594 .resume = snd_sb16_isa_resume,
595 #endif
596 .driver = {
597 .name = DEV_NAME
598 },
599 };
600
601
602 #ifdef CONFIG_PNP
603 static int __devinit snd_sb16_pnp_detect(struct pnp_card_link *pcard,
604 const struct pnp_card_device_id *pid)
605 {
606 static int dev;
607 struct snd_card *card;
608 int res;
609
610 for ( ; dev < SNDRV_CARDS; dev++) {
611 if (!enable[dev] || !isapnp[dev])
612 continue;
613 card = snd_sb16_card_new(dev);
614 if (! card)
615 return -ENOMEM;
616 snd_card_set_dev(card, &pcard->card->dev);
617 if ((res = snd_card_sb16_pnp(dev, card->private_data, pcard, pid)) < 0 ||
618 (res = snd_sb16_probe(card, dev)) < 0) {
619 snd_card_free(card);
620 return res;
621 }
622 pnp_set_card_drvdata(pcard, card);
623 dev++;
624 return 0;
625 }
626
627 return -ENODEV;
628 }
629
630 static void __devexit snd_sb16_pnp_remove(struct pnp_card_link * pcard)
631 {
632 snd_card_free(pnp_get_card_drvdata(pcard));
633 pnp_set_card_drvdata(pcard, NULL);
634 }
635
636 #ifdef CONFIG_PM
637 static int snd_sb16_pnp_suspend(struct pnp_card_link *pcard, pm_message_t state)
638 {
639 return snd_sb16_suspend(pnp_get_card_drvdata(pcard), state);
640 }
641 static int snd_sb16_pnp_resume(struct pnp_card_link *pcard)
642 {
643 return snd_sb16_resume(pnp_get_card_drvdata(pcard));
644 }
645 #endif
646
647 static struct pnp_card_driver sb16_pnpc_driver = {
648 .flags = PNP_DRIVER_RES_DISABLE,
649 #ifdef SNDRV_SBAWE
650 .name = "sbawe",
651 #else
652 .name = "sb16",
653 #endif
654 .id_table = snd_sb16_pnpids,
655 .probe = snd_sb16_pnp_detect,
656 .remove = __devexit_p(snd_sb16_pnp_remove),
657 #ifdef CONFIG_PM
658 .suspend = snd_sb16_pnp_suspend,
659 .resume = snd_sb16_pnp_resume,
660 #endif
661 };
662
663 #endif /* CONFIG_PNP */
664
665 static int __init alsa_card_sb16_init(void)
666 {
667 int err;
668
669 err = isa_register_driver(&snd_sb16_isa_driver, SNDRV_CARDS);
670 #ifdef CONFIG_PNP
671 if (!err)
672 isa_registered = 1;
673
674 err = pnp_register_card_driver(&sb16_pnpc_driver);
675 if (!err)
676 pnp_registered = 1;
677
678 if (isa_registered)
679 err = 0;
680 #endif
681 return err;
682 }
683
684 static void __exit alsa_card_sb16_exit(void)
685 {
686 #ifdef CONFIG_PNP
687 if (pnp_registered)
688 pnp_unregister_card_driver(&sb16_pnpc_driver);
689 if (isa_registered)
690 #endif
691 isa_unregister_driver(&snd_sb16_isa_driver);
692 }
693
694 module_init(alsa_card_sb16_init)
695 module_exit(alsa_card_sb16_exit)
WRT350N Kernel Patches