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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/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 <perex@perex.cz>");
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 
134 struct snd_card_sb16 {
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 ctm@ardi.com */
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 
snd_card_sb16_pnp(int dev,struct snd_card_sb16 * acard,struct pnp_card_link * card,const struct pnp_card_device_id * id)253 static int 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) {
299 			pnp_release_card_device(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 
snd_sb16_free(struct snd_card * card)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;
317 	release_and_free_resource(acard->fm_res);
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 
snd_sb16_card_new(struct device * devptr,int dev,struct snd_card ** cardp)326 static int snd_sb16_card_new(struct device *devptr, int dev,
327 			     struct snd_card **cardp)
328 {
329 	struct snd_card *card;
330 	int err;
331 
332 	err = snd_card_new(devptr, index[dev], id[dev], THIS_MODULE,
333 			   sizeof(struct snd_card_sb16), &card);
334 	if (err < 0)
335 		return err;
336 	card->private_free = snd_sb16_free;
337 	*cardp = card;
338 	return 0;
339 }
340 
snd_sb16_probe(struct snd_card * card,int dev)341 static int snd_sb16_probe(struct snd_card *card, int dev)
342 {
343 	int xirq, xdma8, xdma16;
344 	struct snd_sb *chip;
345 	struct snd_card_sb16 *acard = card->private_data;
346 	struct snd_opl3 *opl3;
347 	struct snd_hwdep *synth = NULL;
348 #ifdef CONFIG_SND_SB16_CSP
349 	struct snd_hwdep *xcsp = NULL;
350 #endif
351 	unsigned long flags;
352 	int err;
353 
354 	xirq = irq[dev];
355 	xdma8 = dma8[dev];
356 	xdma16 = dma16[dev];
357 
358 	if ((err = snd_sbdsp_create(card,
359 				    port[dev],
360 				    xirq,
361 				    snd_sb16dsp_interrupt,
362 				    xdma8,
363 				    xdma16,
364 				    SB_HW_AUTO,
365 				    &chip)) < 0)
366 		return err;
367 
368 	acard->chip = chip;
369 	if (chip->hardware != SB_HW_16) {
370 		snd_printk(KERN_ERR PFX "SB 16 chip was not detected at 0x%lx\n", port[dev]);
371 		return -ENODEV;
372 	}
373 	chip->mpu_port = mpu_port[dev];
374 	if (! is_isapnp_selected(dev) && (err = snd_sb16dsp_configure(chip)) < 0)
375 		return err;
376 
377 	if ((err = snd_sb16dsp_pcm(chip, 0)) < 0)
378 		return err;
379 
380 	strcpy(card->driver,
381 #ifdef SNDRV_SBAWE_EMU8000
382 			awe_port[dev] > 0 ? "SB AWE" :
383 #endif
384 			"SB16");
385 	strcpy(card->shortname, chip->name);
386 	sprintf(card->longname, "%s at 0x%lx, irq %i, dma ",
387 		chip->name,
388 		chip->port,
389 		xirq);
390 	if (xdma8 >= 0)
391 		sprintf(card->longname + strlen(card->longname), "%d", xdma8);
392 	if (xdma16 >= 0)
393 		sprintf(card->longname + strlen(card->longname), "%s%d",
394 			xdma8 >= 0 ? "&" : "", xdma16);
395 
396 	if (chip->mpu_port > 0 && chip->mpu_port != SNDRV_AUTO_PORT) {
397 		if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_SB,
398 					       chip->mpu_port,
399 					       MPU401_INFO_IRQ_HOOK, -1,
400 					       &chip->rmidi)) < 0)
401 			return err;
402 		chip->rmidi_callback = snd_mpu401_uart_interrupt;
403 	}
404 
405 #ifdef SNDRV_SBAWE_EMU8000
406 	if (awe_port[dev] == SNDRV_AUTO_PORT)
407 		awe_port[dev] = 0; /* disable */
408 #endif
409 
410 	if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) {
411 		if (snd_opl3_create(card, fm_port[dev], fm_port[dev] + 2,
412 				    OPL3_HW_OPL3,
413 				    acard->fm_res != NULL || fm_port[dev] == port[dev],
414 				    &opl3) < 0) {
415 			snd_printk(KERN_ERR PFX "no OPL device at 0x%lx-0x%lx\n",
416 				   fm_port[dev], fm_port[dev] + 2);
417 		} else {
418 #ifdef SNDRV_SBAWE_EMU8000
419 			int seqdev = awe_port[dev] > 0 ? 2 : 1;
420 #else
421 			int seqdev = 1;
422 #endif
423 			if ((err = snd_opl3_hwdep_new(opl3, 0, seqdev, &synth)) < 0)
424 				return err;
425 		}
426 	}
427 
428 	if ((err = snd_sbmixer_new(chip)) < 0)
429 		return err;
430 
431 #ifdef CONFIG_SND_SB16_CSP
432 	/* CSP chip on SB16ASP/AWE32 */
433 	if ((chip->hardware == SB_HW_16) && csp[dev]) {
434 		snd_sb_csp_new(chip, synth != NULL ? 1 : 0, &xcsp);
435 		if (xcsp) {
436 			chip->csp = xcsp->private_data;
437 			chip->hardware = SB_HW_16CSP;
438 		} else {
439 			snd_printk(KERN_INFO PFX "warning - CSP chip not detected on soundcard #%i\n", dev + 1);
440 		}
441 	}
442 #endif
443 #ifdef SNDRV_SBAWE_EMU8000
444 	if (awe_port[dev] > 0) {
445 		if ((err = snd_emu8000_new(card, 1, awe_port[dev],
446 					   seq_ports[dev], NULL)) < 0) {
447 			snd_printk(KERN_ERR PFX "fatal error - EMU-8000 synthesizer not detected at 0x%lx\n", awe_port[dev]);
448 
449 			return err;
450 		}
451 	}
452 #endif
453 
454 	/* setup Mic AGC */
455 	spin_lock_irqsave(&chip->mixer_lock, flags);
456 	snd_sbmixer_write(chip, SB_DSP4_MIC_AGC,
457 		(snd_sbmixer_read(chip, SB_DSP4_MIC_AGC) & 0x01) |
458 		(mic_agc[dev] ? 0x00 : 0x01));
459 	spin_unlock_irqrestore(&chip->mixer_lock, flags);
460 
461 	if ((err = snd_card_register(card)) < 0)
462 		return err;
463 
464 	return 0;
465 }
466 
467 #ifdef CONFIG_PM
snd_sb16_suspend(struct snd_card * card,pm_message_t state)468 static int snd_sb16_suspend(struct snd_card *card, pm_message_t state)
469 {
470 	struct snd_card_sb16 *acard = card->private_data;
471 	struct snd_sb *chip = acard->chip;
472 
473 	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
474 	snd_pcm_suspend_all(chip->pcm);
475 	snd_sbmixer_suspend(chip);
476 	return 0;
477 }
478 
snd_sb16_resume(struct snd_card * card)479 static int snd_sb16_resume(struct snd_card *card)
480 {
481 	struct snd_card_sb16 *acard = card->private_data;
482 	struct snd_sb *chip = acard->chip;
483 
484 	snd_sbdsp_reset(chip);
485 	snd_sbmixer_resume(chip);
486 	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
487 	return 0;
488 }
489 #endif
490 
snd_sb16_isa_probe1(int dev,struct device * pdev)491 static int snd_sb16_isa_probe1(int dev, struct device *pdev)
492 {
493 	struct snd_card_sb16 *acard;
494 	struct snd_card *card;
495 	int err;
496 
497 	err = snd_sb16_card_new(pdev, dev, &card);
498 	if (err < 0)
499 		return err;
500 
501 	acard = card->private_data;
502 	/* non-PnP FM port address is hardwired with base port address */
503 	fm_port[dev] = port[dev];
504 	/* block the 0x388 port to avoid PnP conflicts */
505 	acard->fm_res = request_region(0x388, 4, "SoundBlaster FM");
506 #ifdef SNDRV_SBAWE_EMU8000
507 	/* non-PnP AWE port address is hardwired with base port address */
508 	awe_port[dev] = port[dev] + 0x400;
509 #endif
510 
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 
snd_sb16_isa_match(struct device * pdev,unsigned int dev)520 static int snd_sb16_isa_match(struct device *pdev, unsigned int dev)
521 {
522 	return enable[dev] && !is_isapnp_selected(dev);
523 }
524 
snd_sb16_isa_probe(struct device * pdev,unsigned int dev)525 static int 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 
snd_sb16_isa_remove(struct device * pdev,unsigned int dev)566 static int snd_sb16_isa_remove(struct device *pdev, unsigned int dev)
567 {
568 	snd_card_free(dev_get_drvdata(pdev));
569 	return 0;
570 }
571 
572 #ifdef CONFIG_PM
snd_sb16_isa_suspend(struct device * dev,unsigned int n,pm_message_t state)573 static int snd_sb16_isa_suspend(struct device *dev, unsigned int n,
574 				pm_message_t state)
575 {
576 	return snd_sb16_suspend(dev_get_drvdata(dev), state);
577 }
578 
snd_sb16_isa_resume(struct device * dev,unsigned int n)579 static int snd_sb16_isa_resume(struct device *dev, unsigned int n)
580 {
581 	return snd_sb16_resume(dev_get_drvdata(dev));
582 }
583 #endif
584 
585 #ifdef SNDRV_SBAWE
586 #define DEV_NAME "sbawe"
587 #else
588 #define DEV_NAME "sb16"
589 #endif
590 
591 static struct isa_driver snd_sb16_isa_driver = {
592 	.match		= snd_sb16_isa_match,
593 	.probe		= snd_sb16_isa_probe,
594 	.remove		= snd_sb16_isa_remove,
595 #ifdef CONFIG_PM
596 	.suspend	= snd_sb16_isa_suspend,
597 	.resume		= snd_sb16_isa_resume,
598 #endif
599 	.driver		= {
600 		.name	= DEV_NAME
601 	},
602 };
603 
604 
605 #ifdef CONFIG_PNP
snd_sb16_pnp_detect(struct pnp_card_link * pcard,const struct pnp_card_device_id * pid)606 static int snd_sb16_pnp_detect(struct pnp_card_link *pcard,
607 			       const struct pnp_card_device_id *pid)
608 {
609 	static int dev;
610 	struct snd_card *card;
611 	int res;
612 
613 	for ( ; dev < SNDRV_CARDS; dev++) {
614 		if (!enable[dev] || !isapnp[dev])
615 			continue;
616 		res = snd_sb16_card_new(&pcard->card->dev, dev, &card);
617 		if (res < 0)
618 			return res;
619 		if ((res = snd_card_sb16_pnp(dev, card->private_data, pcard, pid)) < 0 ||
620 		    (res = snd_sb16_probe(card, dev)) < 0) {
621 			snd_card_free(card);
622 			return res;
623 		}
624 		pnp_set_card_drvdata(pcard, card);
625 		dev++;
626 		return 0;
627 	}
628 
629 	return -ENODEV;
630 }
631 
snd_sb16_pnp_remove(struct pnp_card_link * pcard)632 static void snd_sb16_pnp_remove(struct pnp_card_link *pcard)
633 {
634 	snd_card_free(pnp_get_card_drvdata(pcard));
635 	pnp_set_card_drvdata(pcard, NULL);
636 }
637 
638 #ifdef CONFIG_PM
snd_sb16_pnp_suspend(struct pnp_card_link * pcard,pm_message_t state)639 static int snd_sb16_pnp_suspend(struct pnp_card_link *pcard, pm_message_t state)
640 {
641 	return snd_sb16_suspend(pnp_get_card_drvdata(pcard), state);
642 }
snd_sb16_pnp_resume(struct pnp_card_link * pcard)643 static int snd_sb16_pnp_resume(struct pnp_card_link *pcard)
644 {
645 	return snd_sb16_resume(pnp_get_card_drvdata(pcard));
646 }
647 #endif
648 
649 static struct pnp_card_driver sb16_pnpc_driver = {
650 	.flags = PNP_DRIVER_RES_DISABLE,
651 #ifdef SNDRV_SBAWE
652 	.name = "sbawe",
653 #else
654 	.name = "sb16",
655 #endif
656 	.id_table = snd_sb16_pnpids,
657 	.probe = snd_sb16_pnp_detect,
658 	.remove = snd_sb16_pnp_remove,
659 #ifdef CONFIG_PM
660 	.suspend = snd_sb16_pnp_suspend,
661 	.resume = snd_sb16_pnp_resume,
662 #endif
663 };
664 
665 #endif /* CONFIG_PNP */
666 
alsa_card_sb16_init(void)667 static int __init alsa_card_sb16_init(void)
668 {
669 	int err;
670 
671 	err = isa_register_driver(&snd_sb16_isa_driver, SNDRV_CARDS);
672 #ifdef CONFIG_PNP
673 	if (!err)
674 		isa_registered = 1;
675 
676 	err = pnp_register_card_driver(&sb16_pnpc_driver);
677 	if (!err)
678 		pnp_registered = 1;
679 
680 	if (isa_registered)
681 		err = 0;
682 #endif
683 	return err;
684 }
685 
alsa_card_sb16_exit(void)686 static void __exit alsa_card_sb16_exit(void)
687 {
688 #ifdef CONFIG_PNP
689 	if (pnp_registered)
690 		pnp_unregister_card_driver(&sb16_pnpc_driver);
691 	if (isa_registered)
692 #endif
693 		isa_unregister_driver(&snd_sb16_isa_driver);
694 }
695 
696 module_init(alsa_card_sb16_init)
697 module_exit(alsa_card_sb16_exit)
698