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 #ifdef SNDRV_SBAWE
25 #define PFX "sbawe: "
26 #else
27 #define PFX "sb16: "
28 #endif
29
30 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
31 MODULE_LICENSE("GPL");
32 #ifndef SNDRV_SBAWE
33 MODULE_DESCRIPTION("Sound Blaster 16");
34 MODULE_SUPPORTED_DEVICE("{{Creative Labs,SB 16},"
35 "{Creative Labs,SB Vibra16S},"
36 "{Creative Labs,SB Vibra16C},"
37 "{Creative Labs,SB Vibra16CL},"
38 "{Creative Labs,SB Vibra16X}}");
39 #else
40 MODULE_DESCRIPTION("Sound Blaster AWE");
41 MODULE_SUPPORTED_DEVICE("{{Creative Labs,SB AWE 32},"
42 "{Creative Labs,SB AWE 64},"
43 "{Creative Labs,SB AWE 64 Gold}}");
44 #endif
45
46 #if 0
47 #define SNDRV_DEBUG_IRQ
48 #endif
49
50 #if defined(SNDRV_SBAWE) && IS_ENABLED(CONFIG_SND_SEQUENCER)
51 #define SNDRV_SBAWE_EMU8000
52 #endif
53
54 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
55 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
56 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP; /* Enable this card */
57 #ifdef CONFIG_PNP
58 static bool isapnp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
59 #endif
60 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x240,0x260,0x280 */
61 static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x330,0x300 */
62 static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
63 #ifdef SNDRV_SBAWE_EMU8000
64 static long awe_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
65 #endif
66 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */
67 static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3 */
68 static int dma16[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 5,6,7 */
69 static int mic_agc[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
70 #ifdef CONFIG_SND_SB16_CSP
71 static int csp[SNDRV_CARDS];
72 #endif
73 #ifdef SNDRV_SBAWE_EMU8000
74 static int seq_ports[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 4};
75 #endif
76
77 module_param_array(index, int, NULL, 0444);
78 MODULE_PARM_DESC(index, "Index value for SoundBlaster 16 soundcard.");
79 module_param_array(id, charp, NULL, 0444);
80 MODULE_PARM_DESC(id, "ID string for SoundBlaster 16 soundcard.");
81 module_param_array(enable, bool, NULL, 0444);
82 MODULE_PARM_DESC(enable, "Enable SoundBlaster 16 soundcard.");
83 #ifdef CONFIG_PNP
84 module_param_array(isapnp, bool, NULL, 0444);
85 MODULE_PARM_DESC(isapnp, "PnP detection for specified soundcard.");
86 #endif
87 module_param_hw_array(port, long, ioport, NULL, 0444);
88 MODULE_PARM_DESC(port, "Port # for SB16 driver.");
89 module_param_hw_array(mpu_port, long, ioport, NULL, 0444);
90 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for SB16 driver.");
91 module_param_hw_array(fm_port, long, ioport, NULL, 0444);
92 MODULE_PARM_DESC(fm_port, "FM port # for SB16 PnP driver.");
93 #ifdef SNDRV_SBAWE_EMU8000
94 module_param_hw_array(awe_port, long, ioport, NULL, 0444);
95 MODULE_PARM_DESC(awe_port, "AWE port # for SB16 PnP driver.");
96 #endif
97 module_param_hw_array(irq, int, irq, NULL, 0444);
98 MODULE_PARM_DESC(irq, "IRQ # for SB16 driver.");
99 module_param_hw_array(dma8, int, dma, NULL, 0444);
100 MODULE_PARM_DESC(dma8, "8-bit DMA # for SB16 driver.");
101 module_param_hw_array(dma16, int, dma, NULL, 0444);
102 MODULE_PARM_DESC(dma16, "16-bit DMA # for SB16 driver.");
103 module_param_array(mic_agc, int, NULL, 0444);
104 MODULE_PARM_DESC(mic_agc, "Mic Auto-Gain-Control switch.");
105 #ifdef CONFIG_SND_SB16_CSP
106 module_param_array(csp, int, NULL, 0444);
107 MODULE_PARM_DESC(csp, "ASP/CSP chip support.");
108 #endif
109 #ifdef SNDRV_SBAWE_EMU8000
110 module_param_array(seq_ports, int, NULL, 0444);
111 MODULE_PARM_DESC(seq_ports, "Number of sequencer ports for WaveTable synth.");
112 #endif
113
114 #ifdef CONFIG_PNP
115 static int isa_registered;
116 static int pnp_registered;
117 #endif
118
119 struct snd_card_sb16 {
120 struct resource *fm_res; /* used to block FM i/o region for legacy cards */
121 struct snd_sb *chip;
122 #ifdef CONFIG_PNP
123 int dev_no;
124 struct pnp_dev *dev;
125 #ifdef SNDRV_SBAWE_EMU8000
126 struct pnp_dev *devwt;
127 #endif
128 #endif
129 };
130
131 #ifdef CONFIG_PNP
132
133 static const struct pnp_card_device_id snd_sb16_pnpids[] = {
134 #ifndef SNDRV_SBAWE
135 /* Sound Blaster 16 PnP */
136 { .id = "CTL0024", .devs = { { "CTL0031" } } },
137 /* Sound Blaster 16 PnP */
138 { .id = "CTL0025", .devs = { { "CTL0031" } } },
139 /* Sound Blaster 16 PnP */
140 { .id = "CTL0026", .devs = { { "CTL0031" } } },
141 /* Sound Blaster 16 PnP */
142 { .id = "CTL0027", .devs = { { "CTL0031" } } },
143 /* Sound Blaster 16 PnP */
144 { .id = "CTL0028", .devs = { { "CTL0031" } } },
145 /* Sound Blaster 16 PnP */
146 { .id = "CTL0029", .devs = { { "CTL0031" } } },
147 /* Sound Blaster 16 PnP */
148 { .id = "CTL002a", .devs = { { "CTL0031" } } },
149 /* Sound Blaster 16 PnP */
150 /* Note: This card has also a CTL0051:StereoEnhance device!!! */
151 { .id = "CTL002b", .devs = { { "CTL0031" } } },
152 /* Sound Blaster 16 PnP */
153 { .id = "CTL002c", .devs = { { "CTL0031" } } },
154 /* Sound Blaster Vibra16S */
155 { .id = "CTL0051", .devs = { { "CTL0001" } } },
156 /* Sound Blaster Vibra16C */
157 { .id = "CTL0070", .devs = { { "CTL0001" } } },
158 /* Sound Blaster Vibra16CL - added by ctm@ardi.com */
159 { .id = "CTL0080", .devs = { { "CTL0041" } } },
160 /* Sound Blaster 16 'value' PnP. It says model ct4130 on the pcb, */
161 /* but ct4131 on a sticker on the board.. */
162 { .id = "CTL0086", .devs = { { "CTL0041" } } },
163 /* Sound Blaster Vibra16X */
164 { .id = "CTL00f0", .devs = { { "CTL0043" } } },
165 /* Sound Blaster 16 (Virtual PC 2004) */
166 { .id = "tBA03b0", .devs = { {.id="PNPb003" } } },
167 #else /* SNDRV_SBAWE defined */
168 /* Sound Blaster AWE 32 PnP */
169 { .id = "CTL0035", .devs = { { "CTL0031" }, { "CTL0021" } } },
170 /* Sound Blaster AWE 32 PnP */
171 { .id = "CTL0039", .devs = { { "CTL0031" }, { "CTL0021" } } },
172 /* Sound Blaster AWE 32 PnP */
173 { .id = "CTL0042", .devs = { { "CTL0031" }, { "CTL0021" } } },
174 /* Sound Blaster AWE 32 PnP */
175 { .id = "CTL0043", .devs = { { "CTL0031" }, { "CTL0021" } } },
176 /* Sound Blaster AWE 32 PnP */
177 /* Note: This card has also a CTL0051:StereoEnhance device!!! */
178 { .id = "CTL0044", .devs = { { "CTL0031" }, { "CTL0021" } } },
179 /* Sound Blaster AWE 32 PnP */
180 /* Note: This card has also a CTL0051:StereoEnhance device!!! */
181 { .id = "CTL0045", .devs = { { "CTL0031" }, { "CTL0021" } } },
182 /* Sound Blaster AWE 32 PnP */
183 { .id = "CTL0046", .devs = { { "CTL0031" }, { "CTL0021" } } },
184 /* Sound Blaster AWE 32 PnP */
185 { .id = "CTL0047", .devs = { { "CTL0031" }, { "CTL0021" } } },
186 /* Sound Blaster AWE 32 PnP */
187 { .id = "CTL0048", .devs = { { "CTL0031" }, { "CTL0021" } } },
188 /* Sound Blaster AWE 32 PnP */
189 { .id = "CTL0054", .devs = { { "CTL0031" }, { "CTL0021" } } },
190 /* Sound Blaster AWE 32 PnP */
191 { .id = "CTL009a", .devs = { { "CTL0041" }, { "CTL0021" } } },
192 /* Sound Blaster AWE 32 PnP */
193 { .id = "CTL009c", .devs = { { "CTL0041" }, { "CTL0021" } } },
194 /* Sound Blaster 32 PnP */
195 { .id = "CTL009f", .devs = { { "CTL0041" }, { "CTL0021" } } },
196 /* Sound Blaster AWE 64 PnP */
197 { .id = "CTL009d", .devs = { { "CTL0042" }, { "CTL0022" } } },
198 /* Sound Blaster AWE 64 PnP Gold */
199 { .id = "CTL009e", .devs = { { "CTL0044" }, { "CTL0023" } } },
200 /* Sound Blaster AWE 64 PnP Gold */
201 { .id = "CTL00b2", .devs = { { "CTL0044" }, { "CTL0023" } } },
202 /* Sound Blaster AWE 64 PnP */
203 { .id = "CTL00c1", .devs = { { "CTL0042" }, { "CTL0022" } } },
204 /* Sound Blaster AWE 64 PnP */
205 { .id = "CTL00c3", .devs = { { "CTL0045" }, { "CTL0022" } } },
206 /* Sound Blaster AWE 64 PnP */
207 { .id = "CTL00c5", .devs = { { "CTL0045" }, { "CTL0022" } } },
208 /* Sound Blaster AWE 64 PnP */
209 { .id = "CTL00c7", .devs = { { "CTL0045" }, { "CTL0022" } } },
210 /* Sound Blaster AWE 64 PnP */
211 { .id = "CTL00e4", .devs = { { "CTL0045" }, { "CTL0022" } } },
212 /* Sound Blaster AWE 64 PnP */
213 { .id = "CTL00e9", .devs = { { "CTL0045" }, { "CTL0022" } } },
214 /* Sound Blaster 16 PnP (AWE) */
215 { .id = "CTL00ed", .devs = { { "CTL0041" }, { "CTL0070" } } },
216 /* Generic entries */
217 { .id = "CTLXXXX" , .devs = { { "CTL0031" }, { "CTL0021" } } },
218 { .id = "CTLXXXX" , .devs = { { "CTL0041" }, { "CTL0021" } } },
219 { .id = "CTLXXXX" , .devs = { { "CTL0042" }, { "CTL0022" } } },
220 { .id = "CTLXXXX" , .devs = { { "CTL0044" }, { "CTL0023" } } },
221 { .id = "CTLXXXX" , .devs = { { "CTL0045" }, { "CTL0022" } } },
222 #endif /* SNDRV_SBAWE */
223 { .id = "", }
224 };
225
226 MODULE_DEVICE_TABLE(pnp_card, snd_sb16_pnpids);
227
228 #endif /* CONFIG_PNP */
229
230 #ifdef SNDRV_SBAWE_EMU8000
231 #define DRIVER_NAME "snd-card-sbawe"
232 #else
233 #define DRIVER_NAME "snd-card-sb16"
234 #endif
235
236 #ifdef CONFIG_PNP
237
snd_card_sb16_pnp(int dev,struct snd_card_sb16 * acard,struct pnp_card_link * card,const struct pnp_card_device_id * id)238 static int snd_card_sb16_pnp(int dev, struct snd_card_sb16 *acard,
239 struct pnp_card_link *card,
240 const struct pnp_card_device_id *id)
241 {
242 struct pnp_dev *pdev;
243 int err;
244
245 acard->dev = pnp_request_card_device(card, id->devs[0].id, NULL);
246 if (acard->dev == NULL)
247 return -ENODEV;
248
249 #ifdef SNDRV_SBAWE_EMU8000
250 acard->devwt = pnp_request_card_device(card, id->devs[1].id, acard->dev);
251 #endif
252 /* Audio initialization */
253 pdev = acard->dev;
254
255 err = pnp_activate_dev(pdev);
256 if (err < 0) {
257 snd_printk(KERN_ERR PFX "AUDIO pnp configure failure\n");
258 return err;
259 }
260 port[dev] = pnp_port_start(pdev, 0);
261 mpu_port[dev] = pnp_port_start(pdev, 1);
262 fm_port[dev] = pnp_port_start(pdev, 2);
263 dma8[dev] = pnp_dma(pdev, 0);
264 dma16[dev] = pnp_dma(pdev, 1);
265 irq[dev] = pnp_irq(pdev, 0);
266 snd_printdd("pnp SB16: port=0x%lx, mpu port=0x%lx, fm port=0x%lx\n",
267 port[dev], mpu_port[dev], fm_port[dev]);
268 snd_printdd("pnp SB16: dma1=%i, dma2=%i, irq=%i\n",
269 dma8[dev], dma16[dev], irq[dev]);
270 #ifdef SNDRV_SBAWE_EMU8000
271 /* WaveTable initialization */
272 pdev = acard->devwt;
273 if (pdev != NULL) {
274 err = pnp_activate_dev(pdev);
275 if (err < 0) {
276 goto __wt_error;
277 }
278 awe_port[dev] = pnp_port_start(pdev, 0);
279 snd_printdd("pnp SB16: wavetable port=0x%llx\n",
280 (unsigned long long)pnp_port_start(pdev, 0));
281 } else {
282 __wt_error:
283 if (pdev) {
284 pnp_release_card_device(pdev);
285 snd_printk(KERN_ERR PFX "WaveTable pnp configure failure\n");
286 }
287 acard->devwt = NULL;
288 awe_port[dev] = -1;
289 }
290 #endif
291 return 0;
292 }
293
294 #endif /* CONFIG_PNP */
295
snd_sb16_free(struct snd_card * card)296 static void snd_sb16_free(struct snd_card *card)
297 {
298 struct snd_card_sb16 *acard = card->private_data;
299
300 if (acard == NULL)
301 return;
302 release_and_free_resource(acard->fm_res);
303 }
304
305 #ifdef CONFIG_PNP
306 #define is_isapnp_selected(dev) isapnp[dev]
307 #else
308 #define is_isapnp_selected(dev) 0
309 #endif
310
snd_sb16_card_new(struct device * devptr,int dev,struct snd_card ** cardp)311 static int snd_sb16_card_new(struct device *devptr, int dev,
312 struct snd_card **cardp)
313 {
314 struct snd_card *card;
315 int err;
316
317 err = snd_card_new(devptr, index[dev], id[dev], THIS_MODULE,
318 sizeof(struct snd_card_sb16), &card);
319 if (err < 0)
320 return err;
321 card->private_free = snd_sb16_free;
322 *cardp = card;
323 return 0;
324 }
325
snd_sb16_probe(struct snd_card * card,int dev)326 static int snd_sb16_probe(struct snd_card *card, int dev)
327 {
328 int xirq, xdma8, xdma16;
329 struct snd_sb *chip;
330 struct snd_card_sb16 *acard = card->private_data;
331 struct snd_opl3 *opl3;
332 struct snd_hwdep *synth = NULL;
333 #ifdef CONFIG_SND_SB16_CSP
334 struct snd_hwdep *xcsp = NULL;
335 #endif
336 unsigned long flags;
337 int err;
338
339 xirq = irq[dev];
340 xdma8 = dma8[dev];
341 xdma16 = dma16[dev];
342
343 if ((err = snd_sbdsp_create(card,
344 port[dev],
345 xirq,
346 snd_sb16dsp_interrupt,
347 xdma8,
348 xdma16,
349 SB_HW_AUTO,
350 &chip)) < 0)
351 return err;
352
353 acard->chip = chip;
354 if (chip->hardware != SB_HW_16) {
355 snd_printk(KERN_ERR PFX "SB 16 chip was not detected at 0x%lx\n", port[dev]);
356 return -ENODEV;
357 }
358 chip->mpu_port = mpu_port[dev];
359 if (! is_isapnp_selected(dev) && (err = snd_sb16dsp_configure(chip)) < 0)
360 return err;
361
362 if ((err = snd_sb16dsp_pcm(chip, 0)) < 0)
363 return err;
364
365 strcpy(card->driver,
366 #ifdef SNDRV_SBAWE_EMU8000
367 awe_port[dev] > 0 ? "SB AWE" :
368 #endif
369 "SB16");
370 strcpy(card->shortname, chip->name);
371 sprintf(card->longname, "%s at 0x%lx, irq %i, dma ",
372 chip->name,
373 chip->port,
374 xirq);
375 if (xdma8 >= 0)
376 sprintf(card->longname + strlen(card->longname), "%d", xdma8);
377 if (xdma16 >= 0)
378 sprintf(card->longname + strlen(card->longname), "%s%d",
379 xdma8 >= 0 ? "&" : "", xdma16);
380
381 if (chip->mpu_port > 0 && chip->mpu_port != SNDRV_AUTO_PORT) {
382 if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_SB,
383 chip->mpu_port,
384 MPU401_INFO_IRQ_HOOK, -1,
385 &chip->rmidi)) < 0)
386 return err;
387 chip->rmidi_callback = snd_mpu401_uart_interrupt;
388 }
389
390 #ifdef SNDRV_SBAWE_EMU8000
391 if (awe_port[dev] == SNDRV_AUTO_PORT)
392 awe_port[dev] = 0; /* disable */
393 #endif
394
395 if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) {
396 if (snd_opl3_create(card, fm_port[dev], fm_port[dev] + 2,
397 OPL3_HW_OPL3,
398 acard->fm_res != NULL || fm_port[dev] == port[dev],
399 &opl3) < 0) {
400 snd_printk(KERN_ERR PFX "no OPL device at 0x%lx-0x%lx\n",
401 fm_port[dev], fm_port[dev] + 2);
402 } else {
403 #ifdef SNDRV_SBAWE_EMU8000
404 int seqdev = awe_port[dev] > 0 ? 2 : 1;
405 #else
406 int seqdev = 1;
407 #endif
408 if ((err = snd_opl3_hwdep_new(opl3, 0, seqdev, &synth)) < 0)
409 return err;
410 }
411 }
412
413 if ((err = snd_sbmixer_new(chip)) < 0)
414 return err;
415
416 #ifdef CONFIG_SND_SB16_CSP
417 /* CSP chip on SB16ASP/AWE32 */
418 if ((chip->hardware == SB_HW_16) && csp[dev]) {
419 snd_sb_csp_new(chip, synth != NULL ? 1 : 0, &xcsp);
420 if (xcsp) {
421 chip->csp = xcsp->private_data;
422 chip->hardware = SB_HW_16CSP;
423 } else {
424 snd_printk(KERN_INFO PFX "warning - CSP chip not detected on soundcard #%i\n", dev + 1);
425 }
426 }
427 #endif
428 #ifdef SNDRV_SBAWE_EMU8000
429 if (awe_port[dev] > 0) {
430 if ((err = snd_emu8000_new(card, 1, awe_port[dev],
431 seq_ports[dev], NULL)) < 0) {
432 snd_printk(KERN_ERR PFX "fatal error - EMU-8000 synthesizer not detected at 0x%lx\n", awe_port[dev]);
433
434 return err;
435 }
436 }
437 #endif
438
439 /* setup Mic AGC */
440 spin_lock_irqsave(&chip->mixer_lock, flags);
441 snd_sbmixer_write(chip, SB_DSP4_MIC_AGC,
442 (snd_sbmixer_read(chip, SB_DSP4_MIC_AGC) & 0x01) |
443 (mic_agc[dev] ? 0x00 : 0x01));
444 spin_unlock_irqrestore(&chip->mixer_lock, flags);
445
446 if ((err = snd_card_register(card)) < 0)
447 return err;
448
449 return 0;
450 }
451
452 #ifdef CONFIG_PM
snd_sb16_suspend(struct snd_card * card,pm_message_t state)453 static int snd_sb16_suspend(struct snd_card *card, pm_message_t state)
454 {
455 struct snd_card_sb16 *acard = card->private_data;
456 struct snd_sb *chip = acard->chip;
457
458 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
459 snd_sbmixer_suspend(chip);
460 return 0;
461 }
462
snd_sb16_resume(struct snd_card * card)463 static int snd_sb16_resume(struct snd_card *card)
464 {
465 struct snd_card_sb16 *acard = card->private_data;
466 struct snd_sb *chip = acard->chip;
467
468 snd_sbdsp_reset(chip);
469 snd_sbmixer_resume(chip);
470 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
471 return 0;
472 }
473 #endif
474
snd_sb16_isa_probe1(int dev,struct device * pdev)475 static int snd_sb16_isa_probe1(int dev, struct device *pdev)
476 {
477 struct snd_card_sb16 *acard;
478 struct snd_card *card;
479 int err;
480
481 err = snd_sb16_card_new(pdev, dev, &card);
482 if (err < 0)
483 return err;
484
485 acard = card->private_data;
486 /* non-PnP FM port address is hardwired with base port address */
487 fm_port[dev] = port[dev];
488 /* block the 0x388 port to avoid PnP conflicts */
489 acard->fm_res = request_region(0x388, 4, "SoundBlaster FM");
490 #ifdef SNDRV_SBAWE_EMU8000
491 /* non-PnP AWE port address is hardwired with base port address */
492 awe_port[dev] = port[dev] + 0x400;
493 #endif
494
495 if ((err = snd_sb16_probe(card, dev)) < 0) {
496 snd_card_free(card);
497 return err;
498 }
499 dev_set_drvdata(pdev, card);
500 return 0;
501 }
502
503
snd_sb16_isa_match(struct device * pdev,unsigned int dev)504 static int snd_sb16_isa_match(struct device *pdev, unsigned int dev)
505 {
506 return enable[dev] && !is_isapnp_selected(dev);
507 }
508
snd_sb16_isa_probe(struct device * pdev,unsigned int dev)509 static int snd_sb16_isa_probe(struct device *pdev, unsigned int dev)
510 {
511 int err;
512 static const int possible_irqs[] = {5, 9, 10, 7, -1};
513 static const int possible_dmas8[] = {1, 3, 0, -1};
514 static const int possible_dmas16[] = {5, 6, 7, -1};
515
516 if (irq[dev] == SNDRV_AUTO_IRQ) {
517 if ((irq[dev] = snd_legacy_find_free_irq(possible_irqs)) < 0) {
518 snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
519 return -EBUSY;
520 }
521 }
522 if (dma8[dev] == SNDRV_AUTO_DMA) {
523 if ((dma8[dev] = snd_legacy_find_free_dma(possible_dmas8)) < 0) {
524 snd_printk(KERN_ERR PFX "unable to find a free 8-bit DMA\n");
525 return -EBUSY;
526 }
527 }
528 if (dma16[dev] == SNDRV_AUTO_DMA) {
529 if ((dma16[dev] = snd_legacy_find_free_dma(possible_dmas16)) < 0) {
530 snd_printk(KERN_ERR PFX "unable to find a free 16-bit DMA\n");
531 return -EBUSY;
532 }
533 }
534
535 if (port[dev] != SNDRV_AUTO_PORT)
536 return snd_sb16_isa_probe1(dev, pdev);
537 else {
538 static const int possible_ports[] = {0x220, 0x240, 0x260, 0x280};
539 int i;
540 for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
541 port[dev] = possible_ports[i];
542 err = snd_sb16_isa_probe1(dev, pdev);
543 if (! err)
544 return 0;
545 }
546 return err;
547 }
548 }
549
snd_sb16_isa_remove(struct device * pdev,unsigned int dev)550 static int snd_sb16_isa_remove(struct device *pdev, unsigned int dev)
551 {
552 snd_card_free(dev_get_drvdata(pdev));
553 return 0;
554 }
555
556 #ifdef CONFIG_PM
snd_sb16_isa_suspend(struct device * dev,unsigned int n,pm_message_t state)557 static int snd_sb16_isa_suspend(struct device *dev, unsigned int n,
558 pm_message_t state)
559 {
560 return snd_sb16_suspend(dev_get_drvdata(dev), state);
561 }
562
snd_sb16_isa_resume(struct device * dev,unsigned int n)563 static int snd_sb16_isa_resume(struct device *dev, unsigned int n)
564 {
565 return snd_sb16_resume(dev_get_drvdata(dev));
566 }
567 #endif
568
569 #ifdef SNDRV_SBAWE
570 #define DEV_NAME "sbawe"
571 #else
572 #define DEV_NAME "sb16"
573 #endif
574
575 static struct isa_driver snd_sb16_isa_driver = {
576 .match = snd_sb16_isa_match,
577 .probe = snd_sb16_isa_probe,
578 .remove = snd_sb16_isa_remove,
579 #ifdef CONFIG_PM
580 .suspend = snd_sb16_isa_suspend,
581 .resume = snd_sb16_isa_resume,
582 #endif
583 .driver = {
584 .name = DEV_NAME
585 },
586 };
587
588
589 #ifdef CONFIG_PNP
snd_sb16_pnp_detect(struct pnp_card_link * pcard,const struct pnp_card_device_id * pid)590 static int snd_sb16_pnp_detect(struct pnp_card_link *pcard,
591 const struct pnp_card_device_id *pid)
592 {
593 static int dev;
594 struct snd_card *card;
595 int res;
596
597 for ( ; dev < SNDRV_CARDS; dev++) {
598 if (!enable[dev] || !isapnp[dev])
599 continue;
600 res = snd_sb16_card_new(&pcard->card->dev, dev, &card);
601 if (res < 0)
602 return res;
603 if ((res = snd_card_sb16_pnp(dev, card->private_data, pcard, pid)) < 0 ||
604 (res = snd_sb16_probe(card, dev)) < 0) {
605 snd_card_free(card);
606 return res;
607 }
608 pnp_set_card_drvdata(pcard, card);
609 dev++;
610 return 0;
611 }
612
613 return -ENODEV;
614 }
615
snd_sb16_pnp_remove(struct pnp_card_link * pcard)616 static void snd_sb16_pnp_remove(struct pnp_card_link *pcard)
617 {
618 snd_card_free(pnp_get_card_drvdata(pcard));
619 pnp_set_card_drvdata(pcard, NULL);
620 }
621
622 #ifdef CONFIG_PM
snd_sb16_pnp_suspend(struct pnp_card_link * pcard,pm_message_t state)623 static int snd_sb16_pnp_suspend(struct pnp_card_link *pcard, pm_message_t state)
624 {
625 return snd_sb16_suspend(pnp_get_card_drvdata(pcard), state);
626 }
snd_sb16_pnp_resume(struct pnp_card_link * pcard)627 static int snd_sb16_pnp_resume(struct pnp_card_link *pcard)
628 {
629 return snd_sb16_resume(pnp_get_card_drvdata(pcard));
630 }
631 #endif
632
633 static struct pnp_card_driver sb16_pnpc_driver = {
634 .flags = PNP_DRIVER_RES_DISABLE,
635 #ifdef SNDRV_SBAWE
636 .name = "sbawe",
637 #else
638 .name = "sb16",
639 #endif
640 .id_table = snd_sb16_pnpids,
641 .probe = snd_sb16_pnp_detect,
642 .remove = snd_sb16_pnp_remove,
643 #ifdef CONFIG_PM
644 .suspend = snd_sb16_pnp_suspend,
645 .resume = snd_sb16_pnp_resume,
646 #endif
647 };
648
649 #endif /* CONFIG_PNP */
650
alsa_card_sb16_init(void)651 static int __init alsa_card_sb16_init(void)
652 {
653 int err;
654
655 err = isa_register_driver(&snd_sb16_isa_driver, SNDRV_CARDS);
656 #ifdef CONFIG_PNP
657 if (!err)
658 isa_registered = 1;
659
660 err = pnp_register_card_driver(&sb16_pnpc_driver);
661 if (!err)
662 pnp_registered = 1;
663
664 if (isa_registered)
665 err = 0;
666 #endif
667 return err;
668 }
669
alsa_card_sb16_exit(void)670 static void __exit alsa_card_sb16_exit(void)
671 {
672 #ifdef CONFIG_PNP
673 if (pnp_registered)
674 pnp_unregister_card_driver(&sb16_pnpc_driver);
675 if (isa_registered)
676 #endif
677 isa_unregister_driver(&snd_sb16_isa_driver);
678 }
679
680 module_init(alsa_card_sb16_init)
681 module_exit(alsa_card_sb16_exit)
682