1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Driver for SoundBlaster 16/AWE32/AWE64 soundcards
4 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
5 */
6
7 #include <asm/dma.h>
8 #include <linux/init.h>
9 #include <linux/pnp.h>
10 #include <linux/err.h>
11 #include <linux/isa.h>
12 #include <linux/module.h>
13 #include <sound/core.h>
14 #include <sound/sb.h>
15 #include <sound/sb16_csp.h>
16 #include <sound/mpu401.h>
17 #include <sound/opl3.h>
18 #include <sound/emu8000.h>
19 #include <sound/seq_device.h>
20 #define SNDRV_LEGACY_FIND_FREE_IRQ
21 #define SNDRV_LEGACY_FIND_FREE_DMA
22 #include <sound/initval.h>
23
24 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
25 MODULE_LICENSE("GPL");
26 #ifndef SNDRV_SBAWE
27 MODULE_DESCRIPTION("Sound Blaster 16");
28 #else
29 MODULE_DESCRIPTION("Sound Blaster AWE");
30 #endif
31
32 #if 0
33 #define SNDRV_DEBUG_IRQ
34 #endif
35
36 #if defined(SNDRV_SBAWE) && IS_ENABLED(CONFIG_SND_SEQUENCER)
37 #define SNDRV_SBAWE_EMU8000
38 #endif
39
40 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
41 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
42 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP; /* Enable this card */
43 #ifdef CONFIG_PNP
44 static bool isapnp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
45 #endif
46 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x240,0x260,0x280 */
47 static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x330,0x300 */
48 static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
49 #ifdef SNDRV_SBAWE_EMU8000
50 static long awe_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
51 #endif
52 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */
53 static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3 */
54 static int dma16[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 5,6,7 */
55 static int mic_agc[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
56 #ifdef CONFIG_SND_SB16_CSP
57 static int csp[SNDRV_CARDS];
58 #endif
59 #ifdef SNDRV_SBAWE_EMU8000
60 static int seq_ports[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 4};
61 #endif
62
63 module_param_array(index, int, NULL, 0444);
64 MODULE_PARM_DESC(index, "Index value for SoundBlaster 16 soundcard.");
65 module_param_array(id, charp, NULL, 0444);
66 MODULE_PARM_DESC(id, "ID string for SoundBlaster 16 soundcard.");
67 module_param_array(enable, bool, NULL, 0444);
68 MODULE_PARM_DESC(enable, "Enable SoundBlaster 16 soundcard.");
69 #ifdef CONFIG_PNP
70 module_param_array(isapnp, bool, NULL, 0444);
71 MODULE_PARM_DESC(isapnp, "PnP detection for specified soundcard.");
72 #endif
73 module_param_hw_array(port, long, ioport, NULL, 0444);
74 MODULE_PARM_DESC(port, "Port # for SB16 driver.");
75 module_param_hw_array(mpu_port, long, ioport, NULL, 0444);
76 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for SB16 driver.");
77 module_param_hw_array(fm_port, long, ioport, NULL, 0444);
78 MODULE_PARM_DESC(fm_port, "FM port # for SB16 PnP driver.");
79 #ifdef SNDRV_SBAWE_EMU8000
80 module_param_hw_array(awe_port, long, ioport, NULL, 0444);
81 MODULE_PARM_DESC(awe_port, "AWE port # for SB16 PnP driver.");
82 #endif
83 module_param_hw_array(irq, int, irq, NULL, 0444);
84 MODULE_PARM_DESC(irq, "IRQ # for SB16 driver.");
85 module_param_hw_array(dma8, int, dma, NULL, 0444);
86 MODULE_PARM_DESC(dma8, "8-bit DMA # for SB16 driver.");
87 module_param_hw_array(dma16, int, dma, NULL, 0444);
88 MODULE_PARM_DESC(dma16, "16-bit DMA # for SB16 driver.");
89 module_param_array(mic_agc, int, NULL, 0444);
90 MODULE_PARM_DESC(mic_agc, "Mic Auto-Gain-Control switch.");
91 #ifdef CONFIG_SND_SB16_CSP
92 module_param_array(csp, int, NULL, 0444);
93 MODULE_PARM_DESC(csp, "ASP/CSP chip support.");
94 #endif
95 #ifdef SNDRV_SBAWE_EMU8000
96 module_param_array(seq_ports, int, NULL, 0444);
97 MODULE_PARM_DESC(seq_ports, "Number of sequencer ports for WaveTable synth.");
98 #endif
99
100 #ifdef CONFIG_PNP
101 static int isa_registered;
102 static int pnp_registered;
103 #endif
104
105 struct snd_card_sb16 {
106 struct resource *fm_res; /* used to block FM i/o region for legacy cards */
107 struct snd_sb *chip;
108 #ifdef CONFIG_PNP
109 int dev_no;
110 struct pnp_dev *dev;
111 #ifdef SNDRV_SBAWE_EMU8000
112 struct pnp_dev *devwt;
113 #endif
114 #endif
115 };
116
117 #ifdef CONFIG_PNP
118
119 static const struct pnp_card_device_id snd_sb16_pnpids[] = {
120 #ifndef SNDRV_SBAWE
121 /* Sound Blaster 16 PnP */
122 { .id = "CTL0024", .devs = { { "CTL0031" } } },
123 /* Sound Blaster 16 PnP */
124 { .id = "CTL0025", .devs = { { "CTL0031" } } },
125 /* Sound Blaster 16 PnP */
126 { .id = "CTL0026", .devs = { { "CTL0031" } } },
127 /* Sound Blaster 16 PnP */
128 { .id = "CTL0027", .devs = { { "CTL0031" } } },
129 /* Sound Blaster 16 PnP */
130 { .id = "CTL0028", .devs = { { "CTL0031" } } },
131 /* Sound Blaster 16 PnP */
132 { .id = "CTL0029", .devs = { { "CTL0031" } } },
133 /* Sound Blaster 16 PnP */
134 { .id = "CTL002a", .devs = { { "CTL0031" } } },
135 /* Sound Blaster 16 PnP */
136 /* Note: This card has also a CTL0051:StereoEnhance device!!! */
137 { .id = "CTL002b", .devs = { { "CTL0031" } } },
138 /* Sound Blaster 16 PnP */
139 { .id = "CTL002c", .devs = { { "CTL0031" } } },
140 /* Sound Blaster Vibra16S */
141 { .id = "CTL0051", .devs = { { "CTL0001" } } },
142 /* Sound Blaster Vibra16C */
143 { .id = "CTL0070", .devs = { { "CTL0001" } } },
144 /* Sound Blaster Vibra16CL - added by ctm@ardi.com */
145 { .id = "CTL0080", .devs = { { "CTL0041" } } },
146 /* Sound Blaster 16 'value' PnP. It says model ct4130 on the pcb, */
147 /* but ct4131 on a sticker on the board.. */
148 { .id = "CTL0086", .devs = { { "CTL0041" } } },
149 /* Sound Blaster Vibra16X */
150 { .id = "CTL00f0", .devs = { { "CTL0043" } } },
151 /* Sound Blaster 16 (Virtual PC 2004) */
152 { .id = "tBA03b0", .devs = { {.id="PNPb003" } } },
153 #else /* SNDRV_SBAWE defined */
154 /* Sound Blaster AWE 32 PnP */
155 { .id = "CTL0035", .devs = { { "CTL0031" }, { "CTL0021" } } },
156 /* Sound Blaster AWE 32 PnP */
157 { .id = "CTL0039", .devs = { { "CTL0031" }, { "CTL0021" } } },
158 /* Sound Blaster AWE 32 PnP */
159 { .id = "CTL0042", .devs = { { "CTL0031" }, { "CTL0021" } } },
160 /* Sound Blaster AWE 32 PnP */
161 { .id = "CTL0043", .devs = { { "CTL0031" }, { "CTL0021" } } },
162 /* Sound Blaster AWE 32 PnP */
163 /* Note: This card has also a CTL0051:StereoEnhance device!!! */
164 { .id = "CTL0044", .devs = { { "CTL0031" }, { "CTL0021" } } },
165 /* Sound Blaster AWE 32 PnP */
166 /* Note: This card has also a CTL0051:StereoEnhance device!!! */
167 { .id = "CTL0045", .devs = { { "CTL0031" }, { "CTL0021" } } },
168 /* Sound Blaster AWE 32 PnP */
169 { .id = "CTL0046", .devs = { { "CTL0031" }, { "CTL0021" } } },
170 /* Sound Blaster AWE 32 PnP */
171 { .id = "CTL0047", .devs = { { "CTL0031" }, { "CTL0021" } } },
172 /* Sound Blaster AWE 32 PnP */
173 { .id = "CTL0048", .devs = { { "CTL0031" }, { "CTL0021" } } },
174 /* Sound Blaster AWE 32 PnP */
175 { .id = "CTL0054", .devs = { { "CTL0031" }, { "CTL0021" } } },
176 /* Sound Blaster AWE 32 PnP */
177 { .id = "CTL009a", .devs = { { "CTL0041" }, { "CTL0021" } } },
178 /* Sound Blaster AWE 32 PnP */
179 { .id = "CTL009c", .devs = { { "CTL0041" }, { "CTL0021" } } },
180 /* Sound Blaster 32 PnP */
181 { .id = "CTL009f", .devs = { { "CTL0041" }, { "CTL0021" } } },
182 /* Sound Blaster AWE 64 PnP */
183 { .id = "CTL009d", .devs = { { "CTL0042" }, { "CTL0022" } } },
184 /* Sound Blaster AWE 64 PnP Gold */
185 { .id = "CTL009e", .devs = { { "CTL0044" }, { "CTL0023" } } },
186 /* Sound Blaster AWE 64 PnP Gold */
187 { .id = "CTL00b2", .devs = { { "CTL0044" }, { "CTL0023" } } },
188 /* Sound Blaster AWE 64 PnP */
189 { .id = "CTL00c1", .devs = { { "CTL0042" }, { "CTL0022" } } },
190 /* Sound Blaster AWE 64 PnP */
191 { .id = "CTL00c3", .devs = { { "CTL0045" }, { "CTL0022" } } },
192 /* Sound Blaster AWE 64 PnP */
193 { .id = "CTL00c5", .devs = { { "CTL0045" }, { "CTL0022" } } },
194 /* Sound Blaster AWE 64 PnP */
195 { .id = "CTL00c7", .devs = { { "CTL0045" }, { "CTL0022" } } },
196 /* Sound Blaster AWE 64 PnP */
197 { .id = "CTL00e4", .devs = { { "CTL0045" }, { "CTL0022" } } },
198 /* Sound Blaster AWE 64 PnP */
199 { .id = "CTL00e9", .devs = { { "CTL0045" }, { "CTL0022" } } },
200 /* Sound Blaster 16 PnP (AWE) */
201 { .id = "CTL00ed", .devs = { { "CTL0041" }, { "CTL0070" } } },
202 /* Generic entries */
203 { .id = "CTLXXXX" , .devs = { { "CTL0031" }, { "CTL0021" } } },
204 { .id = "CTLXXXX" , .devs = { { "CTL0041" }, { "CTL0021" } } },
205 { .id = "CTLXXXX" , .devs = { { "CTL0042" }, { "CTL0022" } } },
206 { .id = "CTLXXXX" , .devs = { { "CTL0044" }, { "CTL0023" } } },
207 { .id = "CTLXXXX" , .devs = { { "CTL0045" }, { "CTL0022" } } },
208 #endif /* SNDRV_SBAWE */
209 { .id = "", }
210 };
211
212 MODULE_DEVICE_TABLE(pnp_card, snd_sb16_pnpids);
213
214 #endif /* CONFIG_PNP */
215
216 #ifdef SNDRV_SBAWE_EMU8000
217 #define DRIVER_NAME "snd-card-sbawe"
218 #else
219 #define DRIVER_NAME "snd-card-sb16"
220 #endif
221
222 #ifdef CONFIG_PNP
223
snd_card_sb16_pnp(int dev,struct snd_card_sb16 * acard,struct pnp_card_link * card,const struct pnp_card_device_id * id)224 static int snd_card_sb16_pnp(int dev, struct snd_card_sb16 *acard,
225 struct pnp_card_link *card,
226 const struct pnp_card_device_id *id)
227 {
228 struct pnp_dev *pdev;
229 int err;
230
231 acard->dev = pnp_request_card_device(card, id->devs[0].id, NULL);
232 if (acard->dev == NULL)
233 return -ENODEV;
234
235 #ifdef SNDRV_SBAWE_EMU8000
236 acard->devwt = pnp_request_card_device(card, id->devs[1].id, acard->dev);
237 #endif
238 /* Audio initialization */
239 pdev = acard->dev;
240
241 err = pnp_activate_dev(pdev);
242 if (err < 0) {
243 dev_err(&pdev->dev, "AUDIO pnp configure failure\n");
244 return err;
245 }
246 port[dev] = pnp_port_start(pdev, 0);
247 mpu_port[dev] = pnp_port_start(pdev, 1);
248 fm_port[dev] = pnp_port_start(pdev, 2);
249 dma8[dev] = pnp_dma(pdev, 0);
250 dma16[dev] = pnp_dma(pdev, 1);
251 irq[dev] = pnp_irq(pdev, 0);
252 dev_dbg(&pdev->dev, "pnp SB16: port=0x%lx, mpu port=0x%lx, fm port=0x%lx\n",
253 port[dev], mpu_port[dev], fm_port[dev]);
254 dev_dbg(&pdev->dev, "pnp SB16: dma1=%i, dma2=%i, irq=%i\n",
255 dma8[dev], dma16[dev], irq[dev]);
256 #ifdef SNDRV_SBAWE_EMU8000
257 /* WaveTable initialization */
258 pdev = acard->devwt;
259 if (pdev != NULL) {
260 err = pnp_activate_dev(pdev);
261 if (err < 0) {
262 goto __wt_error;
263 }
264 awe_port[dev] = pnp_port_start(pdev, 0);
265 dev_dbg(&pdev->dev, "pnp SB16: wavetable port=0x%llx\n",
266 (unsigned long long)pnp_port_start(pdev, 0));
267 } else {
268 __wt_error:
269 if (pdev) {
270 pnp_release_card_device(pdev);
271 dev_err(&pdev->dev, "WaveTable pnp configure failure\n");
272 }
273 acard->devwt = NULL;
274 awe_port[dev] = -1;
275 }
276 #endif
277 return 0;
278 }
279
280 #endif /* CONFIG_PNP */
281
282 #ifdef CONFIG_PNP
283 #define is_isapnp_selected(dev) isapnp[dev]
284 #else
285 #define is_isapnp_selected(dev) 0
286 #endif
287
snd_sb16_card_new(struct device * devptr,int dev,struct snd_card ** cardp)288 static int snd_sb16_card_new(struct device *devptr, int dev,
289 struct snd_card **cardp)
290 {
291 struct snd_card *card;
292 int err;
293
294 err = snd_devm_card_new(devptr, index[dev], id[dev], THIS_MODULE,
295 sizeof(struct snd_card_sb16), &card);
296 if (err < 0)
297 return err;
298 *cardp = card;
299 return 0;
300 }
301
snd_sb16_probe(struct snd_card * card,int dev)302 static int snd_sb16_probe(struct snd_card *card, int dev)
303 {
304 int xirq, xdma8, xdma16;
305 struct snd_sb *chip;
306 struct snd_card_sb16 *acard = card->private_data;
307 struct snd_opl3 *opl3;
308 struct snd_hwdep *synth = NULL;
309 #ifdef CONFIG_SND_SB16_CSP
310 struct snd_hwdep *xcsp = NULL;
311 #endif
312 unsigned long flags;
313 int err;
314
315 xirq = irq[dev];
316 xdma8 = dma8[dev];
317 xdma16 = dma16[dev];
318
319 err = snd_sbdsp_create(card, port[dev], xirq, snd_sb16dsp_interrupt,
320 xdma8, xdma16, SB_HW_AUTO, &chip);
321 if (err < 0)
322 return err;
323
324 acard->chip = chip;
325 if (chip->hardware != SB_HW_16) {
326 dev_err(card->dev, "SB 16 chip was not detected at 0x%lx\n", port[dev]);
327 return -ENODEV;
328 }
329 chip->mpu_port = mpu_port[dev];
330 if (!is_isapnp_selected(dev)) {
331 err = snd_sb16dsp_configure(chip);
332 if (err < 0)
333 return err;
334 }
335
336 err = snd_sb16dsp_pcm(chip, 0);
337 if (err < 0)
338 return err;
339
340 strcpy(card->driver,
341 #ifdef SNDRV_SBAWE_EMU8000
342 awe_port[dev] > 0 ? "SB AWE" :
343 #endif
344 "SB16");
345 strcpy(card->shortname, chip->name);
346 sprintf(card->longname, "%s at 0x%lx, irq %i, dma ",
347 chip->name,
348 chip->port,
349 xirq);
350 if (xdma8 >= 0)
351 sprintf(card->longname + strlen(card->longname), "%d", xdma8);
352 if (xdma16 >= 0)
353 sprintf(card->longname + strlen(card->longname), "%s%d",
354 xdma8 >= 0 ? "&" : "", xdma16);
355
356 if (chip->mpu_port > 0 && chip->mpu_port != SNDRV_AUTO_PORT) {
357 err = snd_mpu401_uart_new(card, 0, MPU401_HW_SB,
358 chip->mpu_port,
359 MPU401_INFO_IRQ_HOOK, -1,
360 &chip->rmidi);
361 if (err < 0)
362 return err;
363 chip->rmidi_callback = snd_mpu401_uart_interrupt;
364 }
365
366 #ifdef SNDRV_SBAWE_EMU8000
367 if (awe_port[dev] == SNDRV_AUTO_PORT)
368 awe_port[dev] = 0; /* disable */
369 #endif
370
371 if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) {
372 if (snd_opl3_create(card, fm_port[dev], fm_port[dev] + 2,
373 OPL3_HW_OPL3,
374 acard->fm_res != NULL || fm_port[dev] == port[dev],
375 &opl3) < 0) {
376 dev_err(card->dev, "no OPL device at 0x%lx-0x%lx\n",
377 fm_port[dev], fm_port[dev] + 2);
378 } else {
379 #ifdef SNDRV_SBAWE_EMU8000
380 int seqdev = awe_port[dev] > 0 ? 2 : 1;
381 #else
382 int seqdev = 1;
383 #endif
384 err = snd_opl3_hwdep_new(opl3, 0, seqdev, &synth);
385 if (err < 0)
386 return err;
387 }
388 }
389
390 err = snd_sbmixer_new(chip);
391 if (err < 0)
392 return err;
393
394 #ifdef CONFIG_SND_SB16_CSP
395 /* CSP chip on SB16ASP/AWE32 */
396 if ((chip->hardware == SB_HW_16) && csp[dev]) {
397 snd_sb_csp_new(chip, synth != NULL ? 1 : 0, &xcsp);
398 if (xcsp) {
399 chip->csp = xcsp->private_data;
400 chip->hardware = SB_HW_16CSP;
401 } else {
402 dev_info(card->dev,
403 "warning - CSP chip not detected on soundcard #%i\n",
404 dev + 1);
405 }
406 }
407 #endif
408 #ifdef SNDRV_SBAWE_EMU8000
409 if (awe_port[dev] > 0) {
410 err = snd_emu8000_new(card, 1, awe_port[dev],
411 seq_ports[dev], NULL);
412 if (err < 0) {
413 dev_err(card->dev,
414 "fatal error - EMU-8000 synthesizer not detected at 0x%lx\n",
415 awe_port[dev]);
416
417 return err;
418 }
419 }
420 #endif
421
422 /* setup Mic AGC */
423 spin_lock_irqsave(&chip->mixer_lock, flags);
424 snd_sbmixer_write(chip, SB_DSP4_MIC_AGC,
425 (snd_sbmixer_read(chip, SB_DSP4_MIC_AGC) & 0x01) |
426 (mic_agc[dev] ? 0x00 : 0x01));
427 spin_unlock_irqrestore(&chip->mixer_lock, flags);
428
429 err = snd_card_register(card);
430 if (err < 0)
431 return err;
432
433 return 0;
434 }
435
436 #ifdef CONFIG_PM
snd_sb16_suspend(struct snd_card * card,pm_message_t state)437 static int snd_sb16_suspend(struct snd_card *card, pm_message_t state)
438 {
439 struct snd_card_sb16 *acard = card->private_data;
440 struct snd_sb *chip = acard->chip;
441
442 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
443 snd_sbmixer_suspend(chip);
444 return 0;
445 }
446
snd_sb16_resume(struct snd_card * card)447 static int snd_sb16_resume(struct snd_card *card)
448 {
449 struct snd_card_sb16 *acard = card->private_data;
450 struct snd_sb *chip = acard->chip;
451
452 snd_sbdsp_reset(chip);
453 snd_sbmixer_resume(chip);
454 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
455 return 0;
456 }
457 #endif
458
snd_sb16_isa_probe1(int dev,struct device * pdev)459 static int snd_sb16_isa_probe1(int dev, struct device *pdev)
460 {
461 struct snd_card_sb16 *acard;
462 struct snd_card *card;
463 int err;
464
465 err = snd_sb16_card_new(pdev, dev, &card);
466 if (err < 0)
467 return err;
468
469 acard = card->private_data;
470 /* non-PnP FM port address is hardwired with base port address */
471 fm_port[dev] = port[dev];
472 /* block the 0x388 port to avoid PnP conflicts */
473 acard->fm_res = devm_request_region(card->dev, 0x388, 4,
474 "SoundBlaster FM");
475 #ifdef SNDRV_SBAWE_EMU8000
476 /* non-PnP AWE port address is hardwired with base port address */
477 awe_port[dev] = port[dev] + 0x400;
478 #endif
479
480 err = snd_sb16_probe(card, dev);
481 if (err < 0)
482 return err;
483 dev_set_drvdata(pdev, card);
484 return 0;
485 }
486
487
snd_sb16_isa_match(struct device * pdev,unsigned int dev)488 static int snd_sb16_isa_match(struct device *pdev, unsigned int dev)
489 {
490 return enable[dev] && !is_isapnp_selected(dev);
491 }
492
snd_sb16_isa_probe(struct device * pdev,unsigned int dev)493 static int snd_sb16_isa_probe(struct device *pdev, unsigned int dev)
494 {
495 int err;
496 static const int possible_irqs[] = {5, 9, 10, 7, -1};
497 static const int possible_dmas8[] = {1, 3, 0, -1};
498 static const int possible_dmas16[] = {5, 6, 7, -1};
499
500 if (irq[dev] == SNDRV_AUTO_IRQ) {
501 irq[dev] = snd_legacy_find_free_irq(possible_irqs);
502 if (irq[dev] < 0) {
503 dev_err(pdev, "unable to find a free IRQ\n");
504 return -EBUSY;
505 }
506 }
507 if (dma8[dev] == SNDRV_AUTO_DMA) {
508 dma8[dev] = snd_legacy_find_free_dma(possible_dmas8);
509 if (dma8[dev] < 0) {
510 dev_err(pdev, "unable to find a free 8-bit DMA\n");
511 return -EBUSY;
512 }
513 }
514 if (dma16[dev] == SNDRV_AUTO_DMA) {
515 dma16[dev] = snd_legacy_find_free_dma(possible_dmas16);
516 if (dma16[dev] < 0) {
517 dev_err(pdev, "unable to find a free 16-bit DMA\n");
518 return -EBUSY;
519 }
520 }
521
522 if (port[dev] != SNDRV_AUTO_PORT)
523 return snd_sb16_isa_probe1(dev, pdev);
524 else {
525 static const int possible_ports[] = {0x220, 0x240, 0x260, 0x280};
526 int i;
527 for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
528 port[dev] = possible_ports[i];
529 err = snd_sb16_isa_probe1(dev, pdev);
530 if (! err)
531 return 0;
532 }
533 return err;
534 }
535 }
536
537 #ifdef CONFIG_PM
snd_sb16_isa_suspend(struct device * dev,unsigned int n,pm_message_t state)538 static int snd_sb16_isa_suspend(struct device *dev, unsigned int n,
539 pm_message_t state)
540 {
541 return snd_sb16_suspend(dev_get_drvdata(dev), state);
542 }
543
snd_sb16_isa_resume(struct device * dev,unsigned int n)544 static int snd_sb16_isa_resume(struct device *dev, unsigned int n)
545 {
546 return snd_sb16_resume(dev_get_drvdata(dev));
547 }
548 #endif
549
550 #ifdef SNDRV_SBAWE
551 #define DEV_NAME "sbawe"
552 #else
553 #define DEV_NAME "sb16"
554 #endif
555
556 static struct isa_driver snd_sb16_isa_driver = {
557 .match = snd_sb16_isa_match,
558 .probe = snd_sb16_isa_probe,
559 #ifdef CONFIG_PM
560 .suspend = snd_sb16_isa_suspend,
561 .resume = snd_sb16_isa_resume,
562 #endif
563 .driver = {
564 .name = DEV_NAME
565 },
566 };
567
568
569 #ifdef CONFIG_PNP
snd_sb16_pnp_detect(struct pnp_card_link * pcard,const struct pnp_card_device_id * pid)570 static int snd_sb16_pnp_detect(struct pnp_card_link *pcard,
571 const struct pnp_card_device_id *pid)
572 {
573 static int dev;
574 struct snd_card *card;
575 int res;
576
577 for ( ; dev < SNDRV_CARDS; dev++) {
578 if (!enable[dev] || !isapnp[dev])
579 continue;
580 res = snd_sb16_card_new(&pcard->card->dev, dev, &card);
581 if (res < 0)
582 return res;
583 res = snd_card_sb16_pnp(dev, card->private_data, pcard, pid);
584 if (res < 0)
585 return res;
586 res = snd_sb16_probe(card, dev);
587 if (res < 0)
588 return res;
589 pnp_set_card_drvdata(pcard, card);
590 dev++;
591 return 0;
592 }
593
594 return -ENODEV;
595 }
596
597 #ifdef CONFIG_PM
snd_sb16_pnp_suspend(struct pnp_card_link * pcard,pm_message_t state)598 static int snd_sb16_pnp_suspend(struct pnp_card_link *pcard, pm_message_t state)
599 {
600 return snd_sb16_suspend(pnp_get_card_drvdata(pcard), state);
601 }
snd_sb16_pnp_resume(struct pnp_card_link * pcard)602 static int snd_sb16_pnp_resume(struct pnp_card_link *pcard)
603 {
604 return snd_sb16_resume(pnp_get_card_drvdata(pcard));
605 }
606 #endif
607
608 static struct pnp_card_driver sb16_pnpc_driver = {
609 .flags = PNP_DRIVER_RES_DISABLE,
610 #ifdef SNDRV_SBAWE
611 .name = "sbawe",
612 #else
613 .name = "sb16",
614 #endif
615 .id_table = snd_sb16_pnpids,
616 .probe = snd_sb16_pnp_detect,
617 #ifdef CONFIG_PM
618 .suspend = snd_sb16_pnp_suspend,
619 .resume = snd_sb16_pnp_resume,
620 #endif
621 };
622
623 #endif /* CONFIG_PNP */
624
alsa_card_sb16_init(void)625 static int __init alsa_card_sb16_init(void)
626 {
627 int err;
628
629 err = isa_register_driver(&snd_sb16_isa_driver, SNDRV_CARDS);
630 #ifdef CONFIG_PNP
631 if (!err)
632 isa_registered = 1;
633
634 err = pnp_register_card_driver(&sb16_pnpc_driver);
635 if (!err)
636 pnp_registered = 1;
637
638 if (isa_registered)
639 err = 0;
640 #endif
641 return err;
642 }
643
alsa_card_sb16_exit(void)644 static void __exit alsa_card_sb16_exit(void)
645 {
646 #ifdef CONFIG_PNP
647 if (pnp_registered)
648 pnp_unregister_card_driver(&sb16_pnpc_driver);
649 if (isa_registered)
650 #endif
651 isa_unregister_driver(&snd_sb16_isa_driver);
652 }
653
654 module_init(alsa_card_sb16_init)
655 module_exit(alsa_card_sb16_exit)
656