xref: /openbmc/linux/sound/isa/cs423x/cs4236.c (revision bb0eb050)
1 /*
2  *  Driver for generic CS4232/CS4235/CS4236/CS4236B/CS4237B/CS4238B/CS4239 chips
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 <linux/init.h>
23 #include <linux/err.h>
24 #include <linux/isa.h>
25 #include <linux/pnp.h>
26 #include <linux/module.h>
27 #include <sound/core.h>
28 #include <sound/wss.h>
29 #include <sound/mpu401.h>
30 #include <sound/opl3.h>
31 #include <sound/initval.h>
32 
33 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
34 MODULE_LICENSE("GPL");
35 MODULE_DESCRIPTION("Cirrus Logic CS4232-9");
36 MODULE_SUPPORTED_DEVICE("{{Turtle Beach,TBS-2000},"
37 		"{Turtle Beach,Tropez Plus},"
38 		"{SIC CrystalWave 32},"
39 		"{Hewlett Packard,Omnibook 5500},"
40 		"{TerraTec,Maestro 32/96},"
41 		"{Philips,PCA70PS}},"
42 		"{{Crystal Semiconductors,CS4235},"
43 		"{Crystal Semiconductors,CS4236},"
44 		"{Crystal Semiconductors,CS4237},"
45 		"{Crystal Semiconductors,CS4238},"
46 		"{Crystal Semiconductors,CS4239},"
47 		"{Acer,AW37},"
48 		"{Acer,AW35/Pro},"
49 		"{Crystal,3D},"
50 		"{Crystal Computer,TidalWave128},"
51 		"{Dell,Optiplex GX1},"
52 		"{Dell,Workstation 400 sound},"
53 		"{EliteGroup,P5TX-LA sound},"
54 		"{Gallant,SC-70P},"
55 		"{Gateway,E1000 Onboard CS4236B},"
56 		"{Genius,Sound Maker 3DJ},"
57 		"{Hewlett Packard,HP6330 sound},"
58 		"{IBM,PC 300PL sound},"
59 		"{IBM,Aptiva 2137 E24},"
60 		"{IBM,IntelliStation M Pro},"
61 		"{Intel,Marlin Spike Mobo CS4235},"
62 		"{Intel PR440FX Onboard},"
63 		"{Guillemot,MaxiSound 16 PnP},"
64 		"{NewClear,3D},"
65 		"{TerraTec,AudioSystem EWS64L/XL},"
66 		"{Typhoon Soundsystem,CS4236B},"
67 		"{Turtle Beach,Malibu},"
68 		"{Unknown,Digital PC 5000 Onboard}}");
69 
70 MODULE_ALIAS("snd_cs4232");
71 
72 #define IDENT "CS4232+"
73 #define DEV_NAME "cs4232+"
74 
75 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
76 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
77 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP; /* Enable this card */
78 #ifdef CONFIG_PNP
79 static bool isapnp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
80 #endif
81 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* PnP setup */
82 static long cport[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* PnP setup */
83 static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;/* PnP setup */
84 static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* PnP setup */
85 static long sb_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* PnP setup */
86 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 5,7,9,11,12,15 */
87 static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 9,11,12,15 */
88 static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 0,1,3,5,6,7 */
89 static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 0,1,3,5,6,7 */
90 
91 module_param_array(index, int, NULL, 0444);
92 MODULE_PARM_DESC(index, "Index value for " IDENT " soundcard.");
93 module_param_array(id, charp, NULL, 0444);
94 MODULE_PARM_DESC(id, "ID string for " IDENT " soundcard.");
95 module_param_array(enable, bool, NULL, 0444);
96 MODULE_PARM_DESC(enable, "Enable " IDENT " soundcard.");
97 #ifdef CONFIG_PNP
98 module_param_array(isapnp, bool, NULL, 0444);
99 MODULE_PARM_DESC(isapnp, "ISA PnP detection for specified soundcard.");
100 #endif
101 module_param_hw_array(port, long, ioport, NULL, 0444);
102 MODULE_PARM_DESC(port, "Port # for " IDENT " driver.");
103 module_param_hw_array(cport, long, ioport, NULL, 0444);
104 MODULE_PARM_DESC(cport, "Control port # for " IDENT " driver.");
105 module_param_hw_array(mpu_port, long, ioport, NULL, 0444);
106 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " IDENT " driver.");
107 module_param_hw_array(fm_port, long, ioport, NULL, 0444);
108 MODULE_PARM_DESC(fm_port, "FM port # for " IDENT " driver.");
109 module_param_hw_array(sb_port, long, ioport, NULL, 0444);
110 MODULE_PARM_DESC(sb_port, "SB port # for " IDENT " driver (optional).");
111 module_param_hw_array(irq, int, irq, NULL, 0444);
112 MODULE_PARM_DESC(irq, "IRQ # for " IDENT " driver.");
113 module_param_hw_array(mpu_irq, int, irq, NULL, 0444);
114 MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " IDENT " driver.");
115 module_param_hw_array(dma1, int, dma, NULL, 0444);
116 MODULE_PARM_DESC(dma1, "DMA1 # for " IDENT " driver.");
117 module_param_hw_array(dma2, int, dma, NULL, 0444);
118 MODULE_PARM_DESC(dma2, "DMA2 # for " IDENT " driver.");
119 
120 #ifdef CONFIG_PNP
121 static int isa_registered;
122 static int pnpc_registered;
123 static int pnp_registered;
124 #endif /* CONFIG_PNP */
125 
126 struct snd_card_cs4236 {
127 	struct snd_wss *chip;
128 	struct resource *res_sb_port;
129 #ifdef CONFIG_PNP
130 	struct pnp_dev *wss;
131 	struct pnp_dev *ctrl;
132 	struct pnp_dev *mpu;
133 #endif
134 };
135 
136 #ifdef CONFIG_PNP
137 
138 /*
139  * PNP BIOS
140  */
141 static const struct pnp_device_id snd_cs423x_pnpbiosids[] = {
142 	{ .id = "CSC0100" },
143 	{ .id = "CSC0000" },
144 	/* Guillemot Turtlebeach something appears to be cs4232 compatible
145 	 * (untested) */
146 	{ .id = "GIM0100" },
147 	{ .id = "" }
148 };
149 MODULE_DEVICE_TABLE(pnp, snd_cs423x_pnpbiosids);
150 
151 #define CS423X_ISAPNP_DRIVER	"cs4232_isapnp"
152 static struct pnp_card_device_id snd_cs423x_pnpids[] = {
153 	/* Philips PCA70PS */
154 	{ .id = "CSC0d32", .devs = { { "CSC0000" }, { "CSC0010" }, { "PNPb006" } } },
155 	/* TerraTec Maestro 32/96 (CS4232) */
156 	{ .id = "CSC1a32", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
157 	/* HP Omnibook 5500 onboard */
158 	{ .id = "CSC4232", .devs = { { "CSC0000" }, { "CSC0002" }, { "CSC0003" } } },
159 	/* Unnamed CS4236 card (Made in Taiwan) */
160 	{ .id = "CSC4236", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
161 	/* Turtle Beach TBS-2000 (CS4232) */
162 	{ .id = "CSC7532", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSCb006" } } },
163 	/* Turtle Beach Tropez Plus (CS4232) */
164 	{ .id = "CSC7632", .devs = { { "CSC0000" }, { "CSC0010" }, { "PNPb006" } } },
165 	/* SIC CrystalWave 32 (CS4232) */
166 	{ .id = "CSCf032", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
167 	/* Netfinity 3000 on-board soundcard */
168 	{ .id = "CSCe825", .devs = { { "CSC0100" }, { "CSC0110" }, { "CSC010f" } } },
169 	/* Intel Marlin Spike Motherboard - CS4235 */
170 	{ .id = "CSC0225", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
171 	/* Intel Marlin Spike Motherboard (#2) - CS4235 */
172 	{ .id = "CSC0225", .devs = { { "CSC0100" }, { "CSC0110" }, { "CSC0103" } } },
173 	/* Unknown Intel mainboard - CS4235 */
174 	{ .id = "CSC0225", .devs = { { "CSC0100" }, { "CSC0110" } } },
175 	/* Genius Sound Maker 3DJ - CS4237B */
176 	{ .id = "CSC0437", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
177 	/* Digital PC 5000 Onboard - CS4236B */
178 	{ .id = "CSC0735", .devs = { { "CSC0000" }, { "CSC0010" } } },
179 	/* some unknown CS4236B */
180 	{ .id = "CSC0b35", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
181 	/* Intel PR440FX Onboard sound */
182 	{ .id = "CSC0b36", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
183 	/* CS4235 on mainboard without MPU */
184 	{ .id = "CSC1425", .devs = { { "CSC0100" }, { "CSC0110" } } },
185 	/* Gateway E1000 Onboard CS4236B */
186 	{ .id = "CSC1335", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
187 	/* HP 6330 Onboard sound */
188 	{ .id = "CSC1525", .devs = { { "CSC0100" }, { "CSC0110" }, { "CSC0103" } } },
189 	/* Crystal Computer TidalWave128 */
190 	{ .id = "CSC1e37", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
191 	/* ACER AW37 - CS4235 */
192 	{ .id = "CSC4236", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
193 	/* build-in soundcard in EliteGroup P5TX-LA motherboard - CS4237B */
194 	{ .id = "CSC4237", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
195 	/* Crystal 3D - CS4237B */
196 	{ .id = "CSC4336", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
197 	/* Typhoon Soundsystem PnP - CS4236B */
198 	{ .id = "CSC4536", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
199 	/* Crystal CX4235-XQ3 EP - CS4235 */
200 	{ .id = "CSC4625", .devs = { { "CSC0100" }, { "CSC0110" }, { "CSC0103" } } },
201 	/* Crystal Semiconductors CS4237B */
202 	{ .id = "CSC4637", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
203 	/* NewClear 3D - CX4237B-XQ3 */
204 	{ .id = "CSC4837", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
205 	/* Dell Optiplex GX1 - CS4236B */
206 	{ .id = "CSC6835", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
207 	/* Dell P410 motherboard - CS4236B */
208 	{ .id = "CSC6835", .devs = { { "CSC0000" }, { "CSC0010" } } },
209 	/* Dell Workstation 400 Onboard - CS4236B */
210 	{ .id = "CSC6836", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
211 	/* Turtle Beach Malibu - CS4237B */
212 	{ .id = "CSC7537", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
213 	/* CS4235 - onboard */
214 	{ .id = "CSC8025", .devs = { { "CSC0100" }, { "CSC0110" }, { "CSC0103" } } },
215 	/* IBM Aptiva 2137 E24 Onboard - CS4237B */
216 	{ .id = "CSC8037", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
217 	/* IBM IntelliStation M Pro motherboard */
218 	{ .id = "CSCc835", .devs = { { "CSC0000" }, { "CSC0010" } } },
219 	/* Guillemot MaxiSound 16 PnP - CS4236B */
220 	{ .id = "CSC9836", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
221 	/* Gallant SC-70P */
222 	{ .id = "CSC9837", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
223 	/* Techmakers MF-4236PW */
224 	{ .id = "CSCa736", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
225 	/* TerraTec AudioSystem EWS64XL - CS4236B */
226 	{ .id = "CSCa836", .devs = { { "CSCa800" }, { "CSCa810" }, { "CSCa803" } } },
227 	/* TerraTec AudioSystem EWS64XL - CS4236B */
228 	{ .id = "CSCa836", .devs = { { "CSCa800" }, { "CSCa810" } } },
229 	/* ACER AW37/Pro - CS4235 */
230 	{ .id = "CSCd925", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
231 	/* ACER AW35/Pro - CS4237B */
232 	{ .id = "CSCd937", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
233 	/* CS4235 without MPU401 */
234 	{ .id = "CSCe825", .devs = { { "CSC0100" }, { "CSC0110" } } },
235 	/* Unknown SiS530 - CS4235 */
236 	{ .id = "CSC4825", .devs = { { "CSC0100" }, { "CSC0110" } } },
237 	/* IBM IntelliStation M Pro 6898 11U - CS4236B */
238 	{ .id = "CSCe835", .devs = { { "CSC0000" }, { "CSC0010" } } },
239 	/* IBM PC 300PL Onboard - CS4236B */
240 	{ .id = "CSCe836", .devs = { { "CSC0000" }, { "CSC0010" } } },
241 	/* Some noname CS4236 based card */
242 	{ .id = "CSCe936", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
243 	/* CS4236B */
244 	{ .id = "CSCf235", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
245 	/* CS4236B */
246 	{ .id = "CSCf238", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
247 	/* --- */
248 	{ .id = "" }	/* end */
249 };
250 
251 MODULE_DEVICE_TABLE(pnp_card, snd_cs423x_pnpids);
252 
253 /* WSS initialization */
254 static int snd_cs423x_pnp_init_wss(int dev, struct pnp_dev *pdev)
255 {
256 	if (pnp_activate_dev(pdev) < 0) {
257 		printk(KERN_ERR IDENT " WSS PnP configure failed for WSS (out of resources?)\n");
258 		return -EBUSY;
259 	}
260 	port[dev] = pnp_port_start(pdev, 0);
261 	if (fm_port[dev] > 0)
262 		fm_port[dev] = pnp_port_start(pdev, 1);
263 	sb_port[dev] = pnp_port_start(pdev, 2);
264 	irq[dev] = pnp_irq(pdev, 0);
265 	dma1[dev] = pnp_dma(pdev, 0);
266 	dma2[dev] = pnp_dma(pdev, 1) == 4 ? -1 : (int)pnp_dma(pdev, 1);
267 	snd_printdd("isapnp WSS: wss port=0x%lx, fm port=0x%lx, sb port=0x%lx\n",
268 			port[dev], fm_port[dev], sb_port[dev]);
269 	snd_printdd("isapnp WSS: irq=%i, dma1=%i, dma2=%i\n",
270 			irq[dev], dma1[dev], dma2[dev]);
271 	return 0;
272 }
273 
274 /* CTRL initialization */
275 static int snd_cs423x_pnp_init_ctrl(int dev, struct pnp_dev *pdev)
276 {
277 	if (pnp_activate_dev(pdev) < 0) {
278 		printk(KERN_ERR IDENT " CTRL PnP configure failed for WSS (out of resources?)\n");
279 		return -EBUSY;
280 	}
281 	cport[dev] = pnp_port_start(pdev, 0);
282 	snd_printdd("isapnp CTRL: control port=0x%lx\n", cport[dev]);
283 	return 0;
284 }
285 
286 /* MPU initialization */
287 static int snd_cs423x_pnp_init_mpu(int dev, struct pnp_dev *pdev)
288 {
289 	if (pnp_activate_dev(pdev) < 0) {
290 		printk(KERN_ERR IDENT " MPU401 PnP configure failed for WSS (out of resources?)\n");
291 		mpu_port[dev] = SNDRV_AUTO_PORT;
292 		mpu_irq[dev] = SNDRV_AUTO_IRQ;
293 	} else {
294 		mpu_port[dev] = pnp_port_start(pdev, 0);
295 		if (mpu_irq[dev] >= 0 &&
296 		    pnp_irq_valid(pdev, 0) && pnp_irq(pdev, 0) >= 0) {
297 			mpu_irq[dev] = pnp_irq(pdev, 0);
298 		} else {
299 			mpu_irq[dev] = -1;	/* disable interrupt */
300 		}
301 	}
302 	snd_printdd("isapnp MPU: port=0x%lx, irq=%i\n", mpu_port[dev], mpu_irq[dev]);
303 	return 0;
304 }
305 
306 static int snd_card_cs423x_pnp(int dev, struct snd_card_cs4236 *acard,
307 			       struct pnp_dev *pdev,
308 			       struct pnp_dev *cdev)
309 {
310 	acard->wss = pdev;
311 	if (snd_cs423x_pnp_init_wss(dev, acard->wss) < 0)
312 		return -EBUSY;
313 	if (cdev)
314 		cport[dev] = pnp_port_start(cdev, 0);
315 	else
316 		cport[dev] = -1;
317 	return 0;
318 }
319 
320 static int snd_card_cs423x_pnpc(int dev, struct snd_card_cs4236 *acard,
321 				struct pnp_card_link *card,
322 				const struct pnp_card_device_id *id)
323 {
324 	acard->wss = pnp_request_card_device(card, id->devs[0].id, NULL);
325 	if (acard->wss == NULL)
326 		return -EBUSY;
327 	acard->ctrl = pnp_request_card_device(card, id->devs[1].id, NULL);
328 	if (acard->ctrl == NULL)
329 		return -EBUSY;
330 	if (id->devs[2].id[0]) {
331 		acard->mpu = pnp_request_card_device(card, id->devs[2].id, NULL);
332 		if (acard->mpu == NULL)
333 			return -EBUSY;
334 	}
335 
336 	/* WSS initialization */
337 	if (snd_cs423x_pnp_init_wss(dev, acard->wss) < 0)
338 		return -EBUSY;
339 
340 	/* CTRL initialization */
341 	if (acard->ctrl && cport[dev] > 0) {
342 		if (snd_cs423x_pnp_init_ctrl(dev, acard->ctrl) < 0)
343 			return -EBUSY;
344 	}
345 	/* MPU initialization */
346 	if (acard->mpu && mpu_port[dev] > 0) {
347 		if (snd_cs423x_pnp_init_mpu(dev, acard->mpu) < 0)
348 			return -EBUSY;
349 	}
350 	return 0;
351 }
352 #endif /* CONFIG_PNP */
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 void snd_card_cs4236_free(struct snd_card *card)
361 {
362 	struct snd_card_cs4236 *acard = card->private_data;
363 
364 	release_and_free_resource(acard->res_sb_port);
365 }
366 
367 static int snd_cs423x_card_new(struct device *pdev, int dev,
368 			       struct snd_card **cardp)
369 {
370 	struct snd_card *card;
371 	int err;
372 
373 	err = snd_card_new(pdev, index[dev], id[dev], THIS_MODULE,
374 			   sizeof(struct snd_card_cs4236), &card);
375 	if (err < 0)
376 		return err;
377 	card->private_free = snd_card_cs4236_free;
378 	*cardp = card;
379 	return 0;
380 }
381 
382 static int snd_cs423x_probe(struct snd_card *card, int dev)
383 {
384 	struct snd_card_cs4236 *acard;
385 	struct snd_wss *chip;
386 	struct snd_opl3 *opl3;
387 	int err;
388 
389 	acard = card->private_data;
390 	if (sb_port[dev] > 0 && sb_port[dev] != SNDRV_AUTO_PORT)
391 		if ((acard->res_sb_port = request_region(sb_port[dev], 16, IDENT " SB")) == NULL) {
392 			printk(KERN_ERR IDENT ": unable to register SB port at 0x%lx\n", sb_port[dev]);
393 			return -EBUSY;
394 		}
395 
396 	err = snd_cs4236_create(card, port[dev], cport[dev],
397 			     irq[dev],
398 			     dma1[dev], dma2[dev],
399 			     WSS_HW_DETECT3, 0, &chip);
400 	if (err < 0)
401 		return err;
402 
403 	acard->chip = chip;
404 	if (chip->hardware & WSS_HW_CS4236B_MASK) {
405 
406 		err = snd_cs4236_pcm(chip, 0);
407 		if (err < 0)
408 			return err;
409 
410 		err = snd_cs4236_mixer(chip);
411 		if (err < 0)
412 			return err;
413 	} else {
414 		err = snd_wss_pcm(chip, 0);
415 		if (err < 0)
416 			return err;
417 
418 		err = snd_wss_mixer(chip);
419 		if (err < 0)
420 			return err;
421 	}
422 	strcpy(card->driver, chip->pcm->name);
423 	strcpy(card->shortname, chip->pcm->name);
424 	sprintf(card->longname, "%s at 0x%lx, irq %i, dma %i",
425 		chip->pcm->name,
426 		chip->port,
427 		irq[dev],
428 		dma1[dev]);
429 	if (dma2[dev] >= 0)
430 		sprintf(card->longname + strlen(card->longname), "&%d", dma2[dev]);
431 
432 	err = snd_wss_timer(chip, 0);
433 	if (err < 0)
434 		return err;
435 
436 	if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) {
437 		if (snd_opl3_create(card,
438 				    fm_port[dev], fm_port[dev] + 2,
439 				    OPL3_HW_OPL3_CS, 0, &opl3) < 0) {
440 			printk(KERN_WARNING IDENT ": OPL3 not detected\n");
441 		} else {
442 			if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0)
443 				return err;
444 		}
445 	}
446 
447 	if (mpu_port[dev] > 0 && mpu_port[dev] != SNDRV_AUTO_PORT) {
448 		if (mpu_irq[dev] == SNDRV_AUTO_IRQ)
449 			mpu_irq[dev] = -1;
450 		if (snd_mpu401_uart_new(card, 0, MPU401_HW_CS4232,
451 					mpu_port[dev], 0,
452 					mpu_irq[dev], NULL) < 0)
453 			printk(KERN_WARNING IDENT ": MPU401 not detected\n");
454 	}
455 
456 	return snd_card_register(card);
457 }
458 
459 static int snd_cs423x_isa_match(struct device *pdev,
460 				unsigned int dev)
461 {
462 	if (!enable[dev] || is_isapnp_selected(dev))
463 		return 0;
464 
465 	if (port[dev] == SNDRV_AUTO_PORT) {
466 		dev_err(pdev, "please specify port\n");
467 		return 0;
468 	}
469 	if (cport[dev] == SNDRV_AUTO_PORT) {
470 		dev_err(pdev, "please specify cport\n");
471 		return 0;
472 	}
473 	if (irq[dev] == SNDRV_AUTO_IRQ) {
474 		dev_err(pdev, "please specify irq\n");
475 		return 0;
476 	}
477 	if (dma1[dev] == SNDRV_AUTO_DMA) {
478 		dev_err(pdev, "please specify dma1\n");
479 		return 0;
480 	}
481 	return 1;
482 }
483 
484 static int snd_cs423x_isa_probe(struct device *pdev,
485 				unsigned int dev)
486 {
487 	struct snd_card *card;
488 	int err;
489 
490 	err = snd_cs423x_card_new(pdev, dev, &card);
491 	if (err < 0)
492 		return err;
493 	if ((err = snd_cs423x_probe(card, dev)) < 0) {
494 		snd_card_free(card);
495 		return err;
496 	}
497 
498 	dev_set_drvdata(pdev, card);
499 	return 0;
500 }
501 
502 static int snd_cs423x_isa_remove(struct device *pdev,
503 				 unsigned int dev)
504 {
505 	snd_card_free(dev_get_drvdata(pdev));
506 	return 0;
507 }
508 
509 #ifdef CONFIG_PM
510 static int snd_cs423x_suspend(struct snd_card *card)
511 {
512 	struct snd_card_cs4236 *acard = card->private_data;
513 	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
514 	acard->chip->suspend(acard->chip);
515 	return 0;
516 }
517 
518 static int snd_cs423x_resume(struct snd_card *card)
519 {
520 	struct snd_card_cs4236 *acard = card->private_data;
521 	acard->chip->resume(acard->chip);
522 	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
523 	return 0;
524 }
525 
526 static int snd_cs423x_isa_suspend(struct device *dev, unsigned int n,
527 				  pm_message_t state)
528 {
529 	return snd_cs423x_suspend(dev_get_drvdata(dev));
530 }
531 
532 static int snd_cs423x_isa_resume(struct device *dev, unsigned int n)
533 {
534 	return snd_cs423x_resume(dev_get_drvdata(dev));
535 }
536 #endif
537 
538 static struct isa_driver cs423x_isa_driver = {
539 	.match		= snd_cs423x_isa_match,
540 	.probe		= snd_cs423x_isa_probe,
541 	.remove		= snd_cs423x_isa_remove,
542 #ifdef CONFIG_PM
543 	.suspend	= snd_cs423x_isa_suspend,
544 	.resume		= snd_cs423x_isa_resume,
545 #endif
546 	.driver		= {
547 		.name	= DEV_NAME
548 	},
549 };
550 
551 
552 #ifdef CONFIG_PNP
553 static int snd_cs423x_pnpbios_detect(struct pnp_dev *pdev,
554 				     const struct pnp_device_id *id)
555 {
556 	static int dev;
557 	int err;
558 	struct snd_card *card;
559 	struct pnp_dev *cdev;
560 	char cid[PNP_ID_LEN];
561 
562 	if (pnp_device_is_isapnp(pdev))
563 		return -ENOENT;	/* we have another procedure - card */
564 	for (; dev < SNDRV_CARDS; dev++) {
565 		if (enable[dev] && isapnp[dev])
566 			break;
567 	}
568 	if (dev >= SNDRV_CARDS)
569 		return -ENODEV;
570 
571 	/* prepare second id */
572 	strcpy(cid, pdev->id[0].id);
573 	cid[5] = '1';
574 	cdev = NULL;
575 	list_for_each_entry(cdev, &(pdev->protocol->devices), protocol_list) {
576 		if (!strcmp(cdev->id[0].id, cid))
577 			break;
578 	}
579 	err = snd_cs423x_card_new(&pdev->dev, dev, &card);
580 	if (err < 0)
581 		return err;
582 	err = snd_card_cs423x_pnp(dev, card->private_data, pdev, cdev);
583 	if (err < 0) {
584 		printk(KERN_ERR "PnP BIOS detection failed for " IDENT "\n");
585 		snd_card_free(card);
586 		return err;
587 	}
588 	if ((err = snd_cs423x_probe(card, dev)) < 0) {
589 		snd_card_free(card);
590 		return err;
591 	}
592 	pnp_set_drvdata(pdev, card);
593 	dev++;
594 	return 0;
595 }
596 
597 static void snd_cs423x_pnp_remove(struct pnp_dev *pdev)
598 {
599 	snd_card_free(pnp_get_drvdata(pdev));
600 }
601 
602 #ifdef CONFIG_PM
603 static int snd_cs423x_pnp_suspend(struct pnp_dev *pdev, pm_message_t state)
604 {
605 	return snd_cs423x_suspend(pnp_get_drvdata(pdev));
606 }
607 
608 static int snd_cs423x_pnp_resume(struct pnp_dev *pdev)
609 {
610 	return snd_cs423x_resume(pnp_get_drvdata(pdev));
611 }
612 #endif
613 
614 static struct pnp_driver cs423x_pnp_driver = {
615 	.name = "cs423x-pnpbios",
616 	.id_table = snd_cs423x_pnpbiosids,
617 	.probe = snd_cs423x_pnpbios_detect,
618 	.remove = snd_cs423x_pnp_remove,
619 #ifdef CONFIG_PM
620 	.suspend	= snd_cs423x_pnp_suspend,
621 	.resume		= snd_cs423x_pnp_resume,
622 #endif
623 };
624 
625 static int snd_cs423x_pnpc_detect(struct pnp_card_link *pcard,
626 				  const struct pnp_card_device_id *pid)
627 {
628 	static int dev;
629 	struct snd_card *card;
630 	int res;
631 
632 	for ( ; dev < SNDRV_CARDS; dev++) {
633 		if (enable[dev] && isapnp[dev])
634 			break;
635 	}
636 	if (dev >= SNDRV_CARDS)
637 		return -ENODEV;
638 
639 	res = snd_cs423x_card_new(&pcard->card->dev, dev, &card);
640 	if (res < 0)
641 		return res;
642 	if ((res = snd_card_cs423x_pnpc(dev, card->private_data, pcard, pid)) < 0) {
643 		printk(KERN_ERR "isapnp detection failed and probing for " IDENT
644 		       " is not supported\n");
645 		snd_card_free(card);
646 		return res;
647 	}
648 	if ((res = snd_cs423x_probe(card, dev)) < 0) {
649 		snd_card_free(card);
650 		return res;
651 	}
652 	pnp_set_card_drvdata(pcard, card);
653 	dev++;
654 	return 0;
655 }
656 
657 static void snd_cs423x_pnpc_remove(struct pnp_card_link *pcard)
658 {
659 	snd_card_free(pnp_get_card_drvdata(pcard));
660 	pnp_set_card_drvdata(pcard, NULL);
661 }
662 
663 #ifdef CONFIG_PM
664 static int snd_cs423x_pnpc_suspend(struct pnp_card_link *pcard, pm_message_t state)
665 {
666 	return snd_cs423x_suspend(pnp_get_card_drvdata(pcard));
667 }
668 
669 static int snd_cs423x_pnpc_resume(struct pnp_card_link *pcard)
670 {
671 	return snd_cs423x_resume(pnp_get_card_drvdata(pcard));
672 }
673 #endif
674 
675 static struct pnp_card_driver cs423x_pnpc_driver = {
676 	.flags = PNP_DRIVER_RES_DISABLE,
677 	.name = CS423X_ISAPNP_DRIVER,
678 	.id_table = snd_cs423x_pnpids,
679 	.probe = snd_cs423x_pnpc_detect,
680 	.remove = snd_cs423x_pnpc_remove,
681 #ifdef CONFIG_PM
682 	.suspend	= snd_cs423x_pnpc_suspend,
683 	.resume		= snd_cs423x_pnpc_resume,
684 #endif
685 };
686 #endif /* CONFIG_PNP */
687 
688 static int __init alsa_card_cs423x_init(void)
689 {
690 	int err;
691 
692 	err = isa_register_driver(&cs423x_isa_driver, SNDRV_CARDS);
693 #ifdef CONFIG_PNP
694 	if (!err)
695 		isa_registered = 1;
696 	err = pnp_register_driver(&cs423x_pnp_driver);
697 	if (!err)
698 		pnp_registered = 1;
699 	err = pnp_register_card_driver(&cs423x_pnpc_driver);
700 	if (!err)
701 		pnpc_registered = 1;
702 	if (pnp_registered)
703 		err = 0;
704 	if (isa_registered)
705 		err = 0;
706 #endif
707 	return err;
708 }
709 
710 static void __exit alsa_card_cs423x_exit(void)
711 {
712 #ifdef CONFIG_PNP
713 	if (pnpc_registered)
714 		pnp_unregister_card_driver(&cs423x_pnpc_driver);
715 	if (pnp_registered)
716 		pnp_unregister_driver(&cs423x_pnp_driver);
717 	if (isa_registered)
718 #endif
719 		isa_unregister_driver(&cs423x_isa_driver);
720 }
721 
722 module_init(alsa_card_cs423x_init)
723 module_exit(alsa_card_cs423x_exit)
724