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sb16.c
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1 /*
2  * Driver for SoundBlaster 16/AWE32/AWE64 soundcards
3  * Copyright (c) by Jaroslav Kysela <[email protected]>
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/module.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 <[email protected]>");
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 bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP; /* Enable this card */
72 #ifdef CONFIG_PNP
73 static bool 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 
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 [email protected] */
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) {
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;
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,
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,
399  &chip->rmidi)) < 0)
400  return err;
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);
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 
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);
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 {
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,
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 = {
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)