xref: /openbmc/linux/sound/isa/sb/sb16.c (revision d5cb9783536a41df9f9cba5b0a1d78047ed787f7)
1 /*
2  *  Driver for SoundBlaster 16/AWE32/AWE64 soundcards
3  *  Copyright (c) by Jaroslav Kysela <perex@suse.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 <sound/driver.h>
23 #include <asm/dma.h>
24 #include <linux/init.h>
25 #include <linux/slab.h>
26 #include <linux/pnp.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_AUTO_PROBE
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@suse.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] = {[0 ... (SNDRV_CARDS - 1)] = 0};
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 struct snd_card_sb16 {
131 	struct resource *fm_res;	/* used to block FM i/o region for legacy cards */
132 #ifdef CONFIG_PNP
133 	int dev_no;
134 	struct pnp_dev *dev;
135 #ifdef SNDRV_SBAWE_EMU8000
136 	struct pnp_dev *devwt;
137 #endif
138 #endif
139 };
140 
141 static snd_card_t *snd_sb16_legacy[SNDRV_CARDS] = SNDRV_DEFAULT_PTR;
142 
143 #ifdef CONFIG_PNP
144 
145 static struct pnp_card_device_id snd_sb16_pnpids[] = {
146 #ifndef SNDRV_SBAWE
147 	/* Sound Blaster 16 PnP */
148 	{ .id = "CTL0024", .devs = { { "CTL0031" } } },
149 	/* Sound Blaster 16 PnP */
150 	{ .id = "CTL0025", .devs = { { "CTL0031" } } },
151 	/* Sound Blaster 16 PnP */
152 	{ .id = "CTL0026", .devs = { { "CTL0031" } } },
153 	/* Sound Blaster 16 PnP */
154 	{ .id = "CTL0027", .devs = { { "CTL0031" } } },
155 	/* Sound Blaster 16 PnP */
156 	{ .id = "CTL0028", .devs = { { "CTL0031" } } },
157 	/* Sound Blaster 16 PnP */
158 	{ .id = "CTL0029", .devs = { { "CTL0031" } } },
159 	/* Sound Blaster 16 PnP */
160 	{ .id = "CTL002a", .devs = { { "CTL0031" } } },
161 	/* Sound Blaster 16 PnP */
162 	/* Note: This card has also a CTL0051:StereoEnhance device!!! */
163 	{ .id = "CTL002b", .devs = { { "CTL0031" } } },
164 	/* Sound Blaster 16 PnP */
165 	{ .id = "CTL002c", .devs = { { "CTL0031" } } },
166 	/* Sound Blaster Vibra16S */
167 	{ .id = "CTL0051", .devs = { { "CTL0001" } } },
168 	/* Sound Blaster Vibra16C */
169 	{ .id = "CTL0070", .devs = { { "CTL0001" } } },
170 	/* Sound Blaster Vibra16CL - added by ctm@ardi.com */
171 	{ .id = "CTL0080", .devs = { { "CTL0041" } } },
172 	/* Sound Blaster 16 'value' PnP. It says model ct4130 on the pcb, */
173 	/* but ct4131 on a sticker on the board.. */
174 	{ .id = "CTL0086", .devs = { { "CTL0041" } } },
175 	/* Sound Blaster Vibra16X */
176 	{ .id = "CTL00f0", .devs = { { "CTL0043" } } },
177 #else  /* SNDRV_SBAWE defined */
178 	/* Sound Blaster AWE 32 PnP */
179 	{ .id = "CTL0035", .devs = { { "CTL0031" }, { "CTL0021" } } },
180 	/* Sound Blaster AWE 32 PnP */
181 	{ .id = "CTL0039", .devs = { { "CTL0031" }, { "CTL0021" } } },
182 	/* Sound Blaster AWE 32 PnP */
183 	{ .id = "CTL0042", .devs = { { "CTL0031" }, { "CTL0021" } } },
184 	/* Sound Blaster AWE 32 PnP */
185 	{ .id = "CTL0043", .devs = { { "CTL0031" }, { "CTL0021" } } },
186 	/* Sound Blaster AWE 32 PnP */
187 	/* Note: This card has also a CTL0051:StereoEnhance device!!! */
188 	{ .id = "CTL0044", .devs = { { "CTL0031" }, { "CTL0021" } } },
189 	/* Sound Blaster AWE 32 PnP */
190 	/* Note: This card has also a CTL0051:StereoEnhance device!!! */
191 	{ .id = "CTL0045", .devs = { { "CTL0031" }, { "CTL0021" } } },
192 	/* Sound Blaster AWE 32 PnP */
193 	{ .id = "CTL0046", .devs = { { "CTL0031" }, { "CTL0021" } } },
194 	/* Sound Blaster AWE 32 PnP */
195 	{ .id = "CTL0047", .devs = { { "CTL0031" }, { "CTL0021" } } },
196 	/* Sound Blaster AWE 32 PnP */
197 	{ .id = "CTL0048", .devs = { { "CTL0031" }, { "CTL0021" } } },
198 	/* Sound Blaster AWE 32 PnP */
199 	{ .id = "CTL0054", .devs = { { "CTL0031" }, { "CTL0021" } } },
200 	/* Sound Blaster AWE 32 PnP */
201 	{ .id = "CTL009a", .devs = { { "CTL0041" }, { "CTL0021" } } },
202 	/* Sound Blaster AWE 32 PnP */
203 	{ .id = "CTL009c", .devs = { { "CTL0041" }, { "CTL0021" } } },
204 	/* Sound Blaster 32 PnP */
205 	{ .id = "CTL009f", .devs = { { "CTL0041" }, { "CTL0021" } } },
206 	/* Sound Blaster AWE 64 PnP */
207 	{ .id = "CTL009d", .devs = { { "CTL0042" }, { "CTL0022" } } },
208 	/* Sound Blaster AWE 64 PnP Gold */
209 	{ .id = "CTL009e", .devs = { { "CTL0044" }, { "CTL0023" } } },
210 	/* Sound Blaster AWE 64 PnP Gold */
211 	{ .id = "CTL00b2", .devs = { { "CTL0044" }, { "CTL0023" } } },
212 	/* Sound Blaster AWE 64 PnP */
213 	{ .id = "CTL00c1", .devs = { { "CTL0042" }, { "CTL0022" } } },
214 	/* Sound Blaster AWE 64 PnP */
215 	{ .id = "CTL00c3", .devs = { { "CTL0045" }, { "CTL0022" } } },
216 	/* Sound Blaster AWE 64 PnP */
217 	{ .id = "CTL00c5", .devs = { { "CTL0045" }, { "CTL0022" } } },
218 	/* Sound Blaster AWE 64 PnP */
219 	{ .id = "CTL00c7", .devs = { { "CTL0045" }, { "CTL0022" } } },
220 	/* Sound Blaster AWE 64 PnP */
221 	{ .id = "CTL00e4", .devs = { { "CTL0045" }, { "CTL0022" } } },
222 	/* Sound Blaster AWE 64 PnP */
223 	{ .id = "CTL00e9", .devs = { { "CTL0045" }, { "CTL0022" } } },
224 	/* Sound Blaster 16 PnP (AWE) */
225 	{ .id = "CTL00ed", .devs = { { "CTL0041" }, { "CTL0070" } } },
226 	/* Generic entries */
227 	{ .id = "CTLXXXX" , .devs = { { "CTL0031" }, { "CTL0021" } } },
228 	{ .id = "CTLXXXX" , .devs = { { "CTL0041" }, { "CTL0021" } } },
229 	{ .id = "CTLXXXX" , .devs = { { "CTL0042" }, { "CTL0022" } } },
230 	{ .id = "CTLXXXX" , .devs = { { "CTL0044" }, { "CTL0023" } } },
231 	{ .id = "CTLXXXX" , .devs = { { "CTL0045" }, { "CTL0022" } } },
232 #endif /* SNDRV_SBAWE */
233 	/* Sound Blaster 16 PnP (Virtual PC 2004)*/
234 	{ .id = "tBA03b0", .devs = { { "PNPb003" } } },
235 	{ .id = "", }
236 };
237 
238 MODULE_DEVICE_TABLE(pnp_card, snd_sb16_pnpids);
239 
240 #endif /* CONFIG_PNP */
241 
242 #ifdef SNDRV_SBAWE_EMU8000
243 #define DRIVER_NAME	"snd-card-sbawe"
244 #else
245 #define DRIVER_NAME	"snd-card-sb16"
246 #endif
247 
248 #ifdef CONFIG_PNP
249 
250 static int __devinit snd_card_sb16_pnp(int dev, struct snd_card_sb16 *acard,
251 				       struct pnp_card_link *card,
252 				       const struct pnp_card_device_id *id)
253 {
254 	struct pnp_dev *pdev;
255 	struct pnp_resource_table * cfg = kmalloc(sizeof(struct pnp_resource_table), GFP_KERNEL);
256 	int err;
257 
258 	if (!cfg)
259 		return -ENOMEM;
260 	acard->dev = pnp_request_card_device(card, id->devs[0].id, NULL);
261 	if (acard->dev == NULL) {
262 		kfree(cfg);
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 	pnp_init_resource_table(cfg);
272 
273 	/* override resources */
274 
275 	if (port[dev] != SNDRV_AUTO_PORT)
276 		pnp_resource_change(&cfg->port_resource[0], port[dev], 16);
277 	if (mpu_port[dev] != SNDRV_AUTO_PORT)
278 		pnp_resource_change(&cfg->port_resource[1], mpu_port[dev], 2);
279 	if (fm_port[dev] != SNDRV_AUTO_PORT)
280 		pnp_resource_change(&cfg->port_resource[2], fm_port[dev], 4);
281 	if (dma8[dev] != SNDRV_AUTO_DMA)
282 		pnp_resource_change(&cfg->dma_resource[0], dma8[dev], 1);
283 	if (dma16[dev] != SNDRV_AUTO_DMA)
284 		pnp_resource_change(&cfg->dma_resource[1], dma16[dev], 1);
285 	if (irq[dev] != SNDRV_AUTO_IRQ)
286 		pnp_resource_change(&cfg->irq_resource[0], irq[dev], 1);
287 	if (pnp_manual_config_dev(pdev, cfg, 0) < 0)
288 		snd_printk(KERN_ERR PFX "AUDIO the requested resources are invalid, using auto config\n");
289 	err = pnp_activate_dev(pdev);
290 	if (err < 0) {
291 		snd_printk(KERN_ERR PFX "AUDIO pnp configure failure\n");
292 		kfree(cfg);
293 		return err;
294 	}
295 	port[dev] = pnp_port_start(pdev, 0);
296 	mpu_port[dev] = pnp_port_start(pdev, 1);
297 	fm_port[dev] = pnp_port_start(pdev, 2);
298 	dma8[dev] = pnp_dma(pdev, 0);
299 	dma16[dev] = pnp_dma(pdev, 1);
300 	irq[dev] = pnp_irq(pdev, 0);
301 	snd_printdd("pnp SB16: port=0x%lx, mpu port=0x%lx, fm port=0x%lx\n",
302 			port[dev], mpu_port[dev], fm_port[dev]);
303 	snd_printdd("pnp SB16: dma1=%i, dma2=%i, irq=%i\n",
304 			dma8[dev], dma16[dev], irq[dev]);
305 #ifdef SNDRV_SBAWE_EMU8000
306 	/* WaveTable initialization */
307 	pdev = acard->devwt;
308 	if (pdev != NULL) {
309 		pnp_init_resource_table(cfg);
310 
311 		/* override resources */
312 
313 		if (awe_port[dev] != SNDRV_AUTO_PORT) {
314 			pnp_resource_change(&cfg->port_resource[0], awe_port[dev], 4);
315 			pnp_resource_change(&cfg->port_resource[1], awe_port[dev] + 0x400, 4);
316 			pnp_resource_change(&cfg->port_resource[2], awe_port[dev] + 0x800, 4);
317 		}
318 		if ((pnp_manual_config_dev(pdev, cfg, 0)) < 0)
319 			snd_printk(KERN_ERR PFX "WaveTable the requested resources are invalid, using auto config\n");
320 		err = pnp_activate_dev(pdev);
321 		if (err < 0) {
322 			goto __wt_error;
323 		}
324 		awe_port[dev] = pnp_port_start(pdev, 0);
325 		snd_printdd("pnp SB16: wavetable port=0x%lx\n", pnp_port_start(pdev, 0));
326 	} else {
327 __wt_error:
328 		if (pdev) {
329 			pnp_release_card_device(pdev);
330 			snd_printk(KERN_ERR PFX "WaveTable pnp configure failure\n");
331 		}
332 		acard->devwt = NULL;
333 		awe_port[dev] = -1;
334 	}
335 #endif
336 	kfree(cfg);
337 	return 0;
338 }
339 
340 #endif /* CONFIG_PNP */
341 
342 static void snd_sb16_free(snd_card_t *card)
343 {
344 	struct snd_card_sb16 *acard = (struct snd_card_sb16 *)card->private_data;
345 
346 	if (acard == NULL)
347 		return;
348 	if (acard->fm_res) {
349 		release_resource(acard->fm_res);
350 		kfree_nocheck(acard->fm_res);
351 	}
352 }
353 
354 #ifdef CONFIG_PNP
355 #define is_isapnp_selected(dev)		isapnp[dev]
356 #else
357 #define is_isapnp_selected(dev)		0
358 #endif
359 
360 static int __init snd_sb16_probe(int dev,
361 				 struct pnp_card_link *pcard,
362 				 const struct pnp_card_device_id *pid)
363 {
364 	static int possible_irqs[] = {5, 9, 10, 7, -1};
365 	static int possible_dmas8[] = {1, 3, 0, -1};
366 	static int possible_dmas16[] = {5, 6, 7, -1};
367 	int xirq, xdma8, xdma16;
368 	sb_t *chip;
369 	snd_card_t *card;
370 	struct snd_card_sb16 *acard;
371 	opl3_t *opl3;
372 	snd_hwdep_t *synth = NULL;
373 #ifdef CONFIG_SND_SB16_CSP
374 	snd_hwdep_t *xcsp = NULL;
375 #endif
376 	unsigned long flags;
377 	int err;
378 
379 	card = snd_card_new(index[dev], id[dev], THIS_MODULE,
380 			    sizeof(struct snd_card_sb16));
381 	if (card == NULL)
382 		return -ENOMEM;
383 	acard = (struct snd_card_sb16 *) card->private_data;
384 	card->private_free = snd_sb16_free;
385 #ifdef CONFIG_PNP
386 	if (isapnp[dev]) {
387 		if ((err = snd_card_sb16_pnp(dev, acard, pcard, pid)))
388 			goto _err;
389 		snd_card_set_dev(card, &pcard->card->dev);
390 	}
391 #endif
392 
393 	xirq = irq[dev];
394 	xdma8 = dma8[dev];
395 	xdma16 = dma16[dev];
396 	if (! is_isapnp_selected(dev)) {
397 		if (xirq == SNDRV_AUTO_IRQ) {
398 			if ((xirq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
399 				snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
400 				err = -EBUSY;
401 				goto _err;
402 			}
403 		}
404 		if (xdma8 == SNDRV_AUTO_DMA) {
405 			if ((xdma8 = snd_legacy_find_free_dma(possible_dmas8)) < 0) {
406 				snd_printk(KERN_ERR PFX "unable to find a free 8-bit DMA\n");
407 				err = -EBUSY;
408 				goto _err;
409 			}
410 		}
411 		if (xdma16 == SNDRV_AUTO_DMA) {
412 			if ((xdma16 = snd_legacy_find_free_dma(possible_dmas16)) < 0) {
413 				snd_printk(KERN_ERR PFX "unable to find a free 16-bit DMA\n");
414 				err = -EBUSY;
415 				goto _err;
416 			}
417 		}
418 		/* non-PnP FM port address is hardwired with base port address */
419 		fm_port[dev] = port[dev];
420 		/* block the 0x388 port to avoid PnP conflicts */
421 		acard->fm_res = request_region(0x388, 4, "SoundBlaster FM");
422 #ifdef SNDRV_SBAWE_EMU8000
423 		/* non-PnP AWE port address is hardwired with base port address */
424 		awe_port[dev] = port[dev] + 0x400;
425 #endif
426 	}
427 
428 	if ((err = snd_sbdsp_create(card,
429 				    port[dev],
430 				    xirq,
431 				    snd_sb16dsp_interrupt,
432 				    xdma8,
433 				    xdma16,
434 				    SB_HW_AUTO,
435 				    &chip)) < 0)
436 		goto _err;
437 
438 	if (chip->hardware != SB_HW_16) {
439 		snd_printk(KERN_ERR PFX "SB 16 chip was not detected at 0x%lx\n", port[dev]);
440 		err = -ENODEV;
441 		goto _err;
442 	}
443 	chip->mpu_port = mpu_port[dev];
444 	if (! is_isapnp_selected(dev) && (err = snd_sb16dsp_configure(chip)) < 0)
445 		goto _err;
446 
447 	if ((err = snd_sb16dsp_pcm(chip, 0, NULL)) < 0)
448 		goto _err;
449 
450 	strcpy(card->driver,
451 #ifdef SNDRV_SBAWE_EMU8000
452 			awe_port[dev] > 0 ? "SB AWE" :
453 #endif
454 			"SB16");
455 	strcpy(card->shortname, chip->name);
456 	sprintf(card->longname, "%s at 0x%lx, irq %i, dma ",
457 		chip->name,
458 		chip->port,
459 		xirq);
460 	if (xdma8 >= 0)
461 		sprintf(card->longname + strlen(card->longname), "%d", xdma8);
462 	if (xdma16 >= 0)
463 		sprintf(card->longname + strlen(card->longname), "%s%d",
464 			xdma8 >= 0 ? "&" : "", xdma16);
465 
466 	if (chip->mpu_port > 0 && chip->mpu_port != SNDRV_AUTO_PORT) {
467 		if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_SB,
468 					       chip->mpu_port, 0,
469 					       xirq, 0, &chip->rmidi)) < 0)
470 			goto _err;
471 		chip->rmidi_callback = snd_mpu401_uart_interrupt;
472 	}
473 
474 #ifdef SNDRV_SBAWE_EMU8000
475 	if (awe_port[dev] == SNDRV_AUTO_PORT)
476 		awe_port[dev] = 0; /* disable */
477 #endif
478 
479 	if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) {
480 		if (snd_opl3_create(card, fm_port[dev], fm_port[dev] + 2,
481 				    OPL3_HW_OPL3,
482 				    acard->fm_res != NULL || fm_port[dev] == port[dev],
483 				    &opl3) < 0) {
484 			snd_printk(KERN_ERR PFX "no OPL device at 0x%lx-0x%lx\n",
485 				   fm_port[dev], fm_port[dev] + 2);
486 		} else {
487 #ifdef SNDRV_SBAWE_EMU8000
488 			int seqdev = awe_port[dev] > 0 ? 2 : 1;
489 #else
490 			int seqdev = 1;
491 #endif
492 			if ((err = snd_opl3_hwdep_new(opl3, 0, seqdev, &synth)) < 0)
493 				goto _err;
494 		}
495 	}
496 
497 	if ((err = snd_sbmixer_new(chip)) < 0)
498 		goto _err;
499 
500 #ifdef CONFIG_SND_SB16_CSP
501 	/* CSP chip on SB16ASP/AWE32 */
502 	if ((chip->hardware == SB_HW_16) && csp[dev]) {
503 		snd_sb_csp_new(chip, synth != NULL ? 1 : 0, &xcsp);
504 		if (xcsp) {
505 			chip->csp = xcsp->private_data;
506 			chip->hardware = SB_HW_16CSP;
507 		} else {
508 			snd_printk(KERN_INFO PFX "warning - CSP chip not detected on soundcard #%i\n", dev + 1);
509 		}
510 	}
511 #endif
512 #ifdef SNDRV_SBAWE_EMU8000
513 	if (awe_port[dev] > 0) {
514 		if ((err = snd_emu8000_new(card, 1, awe_port[dev],
515 					   seq_ports[dev], NULL)) < 0) {
516 			snd_printk(KERN_ERR PFX "fatal error - EMU-8000 synthesizer not detected at 0x%lx\n", awe_port[dev]);
517 
518 			goto _err;
519 		}
520 	}
521 #endif
522 
523 	/* setup Mic AGC */
524 	spin_lock_irqsave(&chip->mixer_lock, flags);
525 	snd_sbmixer_write(chip, SB_DSP4_MIC_AGC,
526 		(snd_sbmixer_read(chip, SB_DSP4_MIC_AGC) & 0x01) |
527 		(mic_agc[dev] ? 0x00 : 0x01));
528 	spin_unlock_irqrestore(&chip->mixer_lock, flags);
529 
530 	if ((err = snd_card_set_generic_dev(card)) < 0)
531 		goto _err;
532 
533 	if ((err = snd_card_register(card)) < 0)
534 		goto _err;
535 
536 	if (pcard)
537 		pnp_set_card_drvdata(pcard, card);
538 	else
539 		snd_sb16_legacy[dev] = card;
540 	return 0;
541 
542  _err:
543 	snd_card_free(card);
544 	return err;
545 }
546 
547 static int __init snd_sb16_probe_legacy_port(unsigned long xport)
548 {
549 	static int dev;
550 	int res;
551 
552 	for ( ; dev < SNDRV_CARDS; dev++) {
553 		if (!enable[dev] || port[dev] != SNDRV_AUTO_PORT)
554 			continue;
555 		if (is_isapnp_selected(dev))
556 			continue;
557 		port[dev] = xport;
558 		res = snd_sb16_probe(dev, NULL, NULL);
559 		if (res < 0)
560 			port[dev] = SNDRV_AUTO_PORT;
561 		return res;
562 	}
563 	return -ENODEV;
564 }
565 
566 #ifdef CONFIG_PNP
567 
568 static int __devinit snd_sb16_pnp_detect(struct pnp_card_link *card,
569 					 const struct pnp_card_device_id *id)
570 {
571 	static int dev;
572 	int res;
573 
574 	for ( ; dev < SNDRV_CARDS; dev++) {
575 		if (!enable[dev] || !isapnp[dev])
576 			continue;
577 		res = snd_sb16_probe(dev, card, id);
578 		if (res < 0)
579 			return res;
580 		dev++;
581 		return 0;
582 	}
583 
584 	return -ENODEV;
585 }
586 
587 static void __devexit snd_sb16_pnp_remove(struct pnp_card_link * pcard)
588 {
589 	snd_card_t *card = (snd_card_t *) pnp_get_card_drvdata(pcard);
590 
591 	snd_card_disconnect(card);
592 	snd_card_free_in_thread(card);
593 }
594 
595 static struct pnp_card_driver sb16_pnpc_driver = {
596 	.flags = PNP_DRIVER_RES_DISABLE,
597 	.name = "sb16",
598 	.id_table = snd_sb16_pnpids,
599 	.probe = snd_sb16_pnp_detect,
600 	.remove = __devexit_p(snd_sb16_pnp_remove),
601 };
602 
603 #endif /* CONFIG_PNP */
604 
605 static int __init alsa_card_sb16_init(void)
606 {
607 	int dev, cards = 0, i;
608 	static unsigned long possible_ports[] = {0x220, 0x240, 0x260, 0x280, -1};
609 
610 	/* legacy non-auto cards at first */
611 	for (dev = 0; dev < SNDRV_CARDS; dev++) {
612 		if (!enable[dev] || port[dev] == SNDRV_AUTO_PORT)
613 			continue;
614 		if (is_isapnp_selected(dev))
615 			continue;
616 		if (!snd_sb16_probe(dev, NULL, NULL)) {
617 			cards++;
618 			continue;
619 		}
620 #ifdef MODULE
621 		snd_printk(KERN_ERR "Sound Blaster 16+ soundcard #%i not found at 0x%lx or device busy\n", dev, port[dev]);
622 #endif
623 	}
624 	/* legacy auto configured cards */
625 	i = snd_legacy_auto_probe(possible_ports, snd_sb16_probe_legacy_port);
626 	if (i > 0)
627 		cards += i;
628 
629 #ifdef CONFIG_PNP
630 	/* PnP cards at last */
631 	i = pnp_register_card_driver(&sb16_pnpc_driver);
632 	if (i >0)
633 		cards += i;
634 #endif
635 
636 	if (!cards) {
637 #ifdef CONFIG_PNP
638 		pnp_unregister_card_driver(&sb16_pnpc_driver);
639 #endif
640 #ifdef MODULE
641 		snd_printk(KERN_ERR "Sound Blaster 16 soundcard not found or device busy\n");
642 #ifdef SNDRV_SBAWE_EMU8000
643 		snd_printk(KERN_ERR "In case, if you have non-AWE card, try snd-sb16 module\n");
644 #else
645 		snd_printk(KERN_ERR "In case, if you have AWE card, try snd-sbawe module\n");
646 #endif
647 #endif
648 		return -ENODEV;
649 	}
650 	return 0;
651 }
652 
653 static void __exit alsa_card_sb16_exit(void)
654 {
655 	int dev;
656 
657 #ifdef CONFIG_PNP
658 	/* PnP cards first */
659 	pnp_unregister_card_driver(&sb16_pnpc_driver);
660 #endif
661 	for (dev = 0; dev < SNDRV_CARDS; dev++)
662 		snd_card_free(snd_sb16_legacy[dev]);
663 }
664 
665 module_init(alsa_card_sb16_init)
666 module_exit(alsa_card_sb16_exit)
667