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
45MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
46MODULE_LICENSE("GPL");
47#ifndef SNDRV_SBAWE
48MODULE_DESCRIPTION("Sound Blaster 16");
49MODULE_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
55MODULE_DESCRIPTION("Sound Blaster AWE");
56MODULE_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
69static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
70static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
71static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP; /* Enable this card */
72#ifdef CONFIG_PNP
73static bool isapnp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
74#endif
75static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* 0x220,0x240,0x260,0x280 */
76static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* 0x330,0x300 */
77static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
78#ifdef SNDRV_SBAWE_EMU8000
79static long awe_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
80#endif
81static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 5,7,9,10 */
82static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 0,1,3 */
83static int dma16[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 5,6,7 */
84static int mic_agc[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
85#ifdef CONFIG_SND_SB16_CSP
86static int csp[SNDRV_CARDS];
87#endif
88#ifdef SNDRV_SBAWE_EMU8000
89static int seq_ports[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 4};
90#endif
91
92module_param_array(index, int, NULL, 0444);
93MODULE_PARM_DESC(index, "Index value for SoundBlaster 16 soundcard.");
94module_param_array(id, charp, NULL, 0444);
95MODULE_PARM_DESC(id, "ID string for SoundBlaster 16 soundcard.");
96module_param_array(enable, bool, NULL, 0444);
97MODULE_PARM_DESC(enable, "Enable SoundBlaster 16 soundcard.");
98#ifdef CONFIG_PNP
99module_param_array(isapnp, bool, NULL, 0444);
100MODULE_PARM_DESC(isapnp, "PnP detection for specified soundcard.");
101#endif
102module_param_array(port, long, NULL, 0444);
103MODULE_PARM_DESC(port, "Port # for SB16 driver.");
104module_param_array(mpu_port, long, NULL, 0444);
105MODULE_PARM_DESC(mpu_port, "MPU-401 port # for SB16 driver.");
106module_param_array(fm_port, long, NULL, 0444);
107MODULE_PARM_DESC(fm_port, "FM port # for SB16 PnP driver.");
108#ifdef SNDRV_SBAWE_EMU8000
109module_param_array(awe_port, long, NULL, 0444);
110MODULE_PARM_DESC(awe_port, "AWE port # for SB16 PnP driver.");
111#endif
112module_param_array(irq, int, NULL, 0444);
113MODULE_PARM_DESC(irq, "IRQ # for SB16 driver.");
114module_param_array(dma8, int, NULL, 0444);
115MODULE_PARM_DESC(dma8, "8-bit DMA # for SB16 driver.");
116module_param_array(dma16, int, NULL, 0444);
117MODULE_PARM_DESC(dma16, "16-bit DMA # for SB16 driver.");
118module_param_array(mic_agc, int, NULL, 0444);
119MODULE_PARM_DESC(mic_agc, "Mic Auto-Gain-Control switch.");
120#ifdef CONFIG_SND_SB16_CSP
121module_param_array(csp, int, NULL, 0444);
122MODULE_PARM_DESC(csp, "ASP/CSP chip support.");
123#endif
124#ifdef SNDRV_SBAWE_EMU8000
125module_param_array(seq_ports, int, NULL, 0444);
126MODULE_PARM_DESC(seq_ports, "Number of sequencer ports for WaveTable synth.");
127#endif
128
129#ifdef CONFIG_PNP
130static int isa_registered;
131static int pnp_registered;
132#endif
133
134struct 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
148static 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
241MODULE_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
253static 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
311static 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
326static 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
341static 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
468static 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
479static 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
491static 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
520static int snd_sb16_isa_match(struct device *pdev, unsigned int dev)
521{
522	return enable[dev] && !is_isapnp_selected(dev);
523}
524
525static 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
566static 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
573static 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
579static 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
591static 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
606static 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
632static 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
639static 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}
643static 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
649static 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
667static 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
686static 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
696module_init(alsa_card_sb16_init)
697module_exit(alsa_card_sb16_exit)
698