[ALSA] Remove superfluous pcm_free callbacks
[linux-2.6.git] / sound / isa / cmi8330.c
1 /*
2  *  Driver for C-Media's CMI8330 soundcards.
3  *  Copyright (c) by George Talusan <gstalusan@uwaterloo.ca>
4  *    http://www.undergrad.math.uwaterloo.ca/~gstalusa
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 /*
23  * NOTES
24  *
25  *  The extended registers contain mixer settings which are largely
26  *  untapped for the time being.
27  *
28  *  MPU401 and SPDIF are not supported yet.  I don't have the hardware
29  *  to aid in coding and testing, so I won't bother.
30  *
31  *  To quickly load the module,
32  *
33  *  modprobe -a snd-cmi8330 sbport=0x220 sbirq=5 sbdma8=1
34  *    sbdma16=5 wssport=0x530 wssirq=11 wssdma=0
35  *
36  *  This card has two mixers and two PCM devices.  I've cheesed it such
37  *  that recording and playback can be done through the same device.
38  *  The driver "magically" routes the capturing to the AD1848 codec,
39  *  and playback to the SB16 codec.  This allows for full-duplex mode
40  *  to some extent.
41  *  The utilities in alsa-utils are aware of both devices, so passing
42  *  the appropriate parameters to amixer and alsactl will give you
43  *  full control over both mixers.
44  */
45
46 #include <sound/driver.h>
47 #include <linux/init.h>
48 #include <linux/slab.h>
49 #include <linux/pnp.h>
50 #include <linux/moduleparam.h>
51 #include <sound/core.h>
52 #include <sound/ad1848.h>
53 #include <sound/sb.h>
54 #include <sound/initval.h>
55
56 /*
57  */
58 /* #define ENABLE_SB_MIXER */
59 #define PLAYBACK_ON_SB
60
61 /*
62  */
63 MODULE_AUTHOR("George Talusan <gstalusan@uwaterloo.ca>");
64 MODULE_DESCRIPTION("C-Media CMI8330");
65 MODULE_LICENSE("GPL");
66 MODULE_SUPPORTED_DEVICE("{{C-Media,CMI8330,isapnp:{CMI0001,@@@0001,@X@0001}}}");
67
68 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
69 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
70 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP;
71 #ifdef CONFIG_PNP
72 static int isapnp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
73 #endif
74 static long sbport[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
75 static int sbirq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;
76 static int sbdma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;
77 static int sbdma16[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;
78 static long wssport[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
79 static int wssirq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;
80 static int wssdma[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;
81
82 module_param_array(index, int, NULL, 0444);
83 MODULE_PARM_DESC(index, "Index value for CMI8330 soundcard.");
84 module_param_array(id, charp, NULL, 0444);
85 MODULE_PARM_DESC(id, "ID string  for CMI8330 soundcard.");
86 module_param_array(enable, bool, NULL, 0444);
87 MODULE_PARM_DESC(enable, "Enable CMI8330 soundcard.");
88 #ifdef CONFIG_PNP
89 module_param_array(isapnp, bool, NULL, 0444);
90 MODULE_PARM_DESC(isapnp, "PnP detection for specified soundcard.");
91 #endif
92
93 module_param_array(sbport, long, NULL, 0444);
94 MODULE_PARM_DESC(sbport, "Port # for CMI8330 SB driver.");
95 module_param_array(sbirq, int, NULL, 0444);
96 MODULE_PARM_DESC(sbirq, "IRQ # for CMI8330 SB driver.");
97 module_param_array(sbdma8, int, NULL, 0444);
98 MODULE_PARM_DESC(sbdma8, "DMA8 for CMI8330 SB driver.");
99 module_param_array(sbdma16, int, NULL, 0444);
100 MODULE_PARM_DESC(sbdma16, "DMA16 for CMI8330 SB driver.");
101
102 module_param_array(wssport, long, NULL, 0444);
103 MODULE_PARM_DESC(wssport, "Port # for CMI8330 WSS driver.");
104 module_param_array(wssirq, int, NULL, 0444);
105 MODULE_PARM_DESC(wssirq, "IRQ # for CMI8330 WSS driver.");
106 module_param_array(wssdma, int, NULL, 0444);
107 MODULE_PARM_DESC(wssdma, "DMA for CMI8330 WSS driver.");
108
109 #define CMI8330_RMUX3D    16
110 #define CMI8330_MUTEMUX   17
111 #define CMI8330_OUTPUTVOL 18
112 #define CMI8330_MASTVOL   19
113 #define CMI8330_LINVOL    20
114 #define CMI8330_CDINVOL   21
115 #define CMI8330_WAVVOL    22
116 #define CMI8330_RECMUX    23
117 #define CMI8330_WAVGAIN   24
118 #define CMI8330_LINGAIN   25
119 #define CMI8330_CDINGAIN  26
120
121 static unsigned char snd_cmi8330_image[((CMI8330_CDINGAIN)-16) + 1] =
122 {
123         0x40,                   /* 16 - recording mux (SB-mixer-enabled) */
124 #ifdef ENABLE_SB_MIXER
125         0x40,                   /* 17 - mute mux (Mode2) */
126 #else
127         0x0,                    /* 17 - mute mux */
128 #endif
129         0x0,                    /* 18 - vol */
130         0x0,                    /* 19 - master volume */
131         0x0,                    /* 20 - line-in volume */
132         0x0,                    /* 21 - cd-in volume */
133         0x0,                    /* 22 - wave volume */
134         0x0,                    /* 23 - mute/rec mux */
135         0x0,                    /* 24 - wave rec gain */
136         0x0,                    /* 25 - line-in rec gain */
137         0x0                     /* 26 - cd-in rec gain */
138 };
139
140 typedef int (*snd_pcm_open_callback_t)(snd_pcm_substream_t *);
141
142 struct snd_cmi8330 {
143 #ifdef CONFIG_PNP
144         struct pnp_dev *cap;
145         struct pnp_dev *play;
146 #endif
147         snd_card_t *card;
148         ad1848_t *wss;
149         sb_t *sb;
150
151         snd_pcm_t *pcm;
152         struct snd_cmi8330_stream {
153                 snd_pcm_ops_t ops;
154                 snd_pcm_open_callback_t open;
155                 void *private_data; /* sb or wss */
156         } streams[2];
157 };
158
159 static snd_card_t *snd_cmi8330_legacy[SNDRV_CARDS] = SNDRV_DEFAULT_PTR;
160
161 #ifdef CONFIG_PNP
162
163 static struct pnp_card_device_id snd_cmi8330_pnpids[] = {
164         { .id = "CMI0001", .devs = { { "@@@0001" }, { "@X@0001" } } },
165         { .id = "" }
166 };
167
168 MODULE_DEVICE_TABLE(pnp_card, snd_cmi8330_pnpids);
169
170 #endif
171
172
173 static struct ad1848_mix_elem snd_cmi8330_controls[] __initdata = {
174 AD1848_DOUBLE("Master Playback Volume", 0, CMI8330_MASTVOL, CMI8330_MASTVOL, 4, 0, 15, 0),
175 AD1848_SINGLE("Loud Playback Switch", 0, CMI8330_MUTEMUX, 6, 1, 1),
176 AD1848_DOUBLE("PCM Playback Switch", 0, AD1848_LEFT_OUTPUT, AD1848_RIGHT_OUTPUT, 7, 7, 1, 1),
177 AD1848_DOUBLE("PCM Playback Volume", 0, AD1848_LEFT_OUTPUT, AD1848_RIGHT_OUTPUT, 0, 0, 63, 1),
178 AD1848_DOUBLE("Line Playback Switch", 0, CMI8330_MUTEMUX, CMI8330_MUTEMUX, 4, 3, 1, 0),
179 AD1848_DOUBLE("Line Playback Volume", 0, CMI8330_LINVOL, CMI8330_LINVOL, 4, 0, 15, 0),
180 AD1848_DOUBLE("Line Capture Switch", 0, CMI8330_RMUX3D, CMI8330_RMUX3D, 2, 1, 1, 0),
181 AD1848_DOUBLE("Line Capture Volume", 0, CMI8330_LINGAIN, CMI8330_LINGAIN, 4, 0, 15, 0),
182 AD1848_DOUBLE("CD Playback Switch", 0, CMI8330_MUTEMUX, CMI8330_MUTEMUX, 2, 1, 1, 0),
183 AD1848_DOUBLE("CD Capture Switch", 0, CMI8330_RMUX3D, CMI8330_RMUX3D, 4, 3, 1, 0),
184 AD1848_DOUBLE("CD Playback Volume", 0, CMI8330_CDINVOL, CMI8330_CDINVOL, 4, 0, 15, 0),
185 AD1848_DOUBLE("CD Capture Volume", 0, CMI8330_CDINGAIN, CMI8330_CDINGAIN, 4, 0, 15, 0),
186 AD1848_SINGLE("Mic Playback Switch", 0, CMI8330_MUTEMUX, 0, 1, 0),
187 AD1848_SINGLE("Mic Playback Volume", 0, CMI8330_OUTPUTVOL, 0, 7, 0),
188 AD1848_SINGLE("Mic Capture Switch", 0, CMI8330_RMUX3D, 0, 1, 0),
189 AD1848_SINGLE("Mic Capture Volume", 0, CMI8330_OUTPUTVOL, 5, 7, 0),
190 AD1848_DOUBLE("Wavetable Playback Switch", 0, CMI8330_RECMUX, CMI8330_RECMUX, 1, 0, 1, 0),
191 AD1848_DOUBLE("Wavetable Playback Volume", 0, CMI8330_WAVVOL, CMI8330_WAVVOL, 4, 0, 15, 0),
192 AD1848_DOUBLE("Wavetable Capture Switch", 0, CMI8330_RECMUX, CMI8330_RECMUX, 5, 4, 1, 0),
193 AD1848_DOUBLE("Wavetable Capture Volume", 0, CMI8330_WAVGAIN, CMI8330_WAVGAIN, 4, 0, 15, 0),
194 AD1848_SINGLE("3D Control - Switch", 0, CMI8330_RMUX3D, 5, 1, 1),
195 AD1848_SINGLE("PC Speaker Playback Volume", 0, CMI8330_OUTPUTVOL, 3, 3, 0),
196 AD1848_SINGLE("FM Playback Switch", 0, CMI8330_RECMUX, 3, 1, 1),
197 AD1848_SINGLE(SNDRV_CTL_NAME_IEC958("Input ",CAPTURE,SWITCH), 0, CMI8330_RMUX3D, 7, 1, 1),
198 AD1848_SINGLE(SNDRV_CTL_NAME_IEC958("Input ",PLAYBACK,SWITCH), 0, CMI8330_MUTEMUX, 7, 1, 1),
199 };
200
201 #ifdef ENABLE_SB_MIXER
202 static struct sbmix_elem cmi8330_sb_mixers[] __initdata = {
203 SB_DOUBLE("SB Master Playback Volume", SB_DSP4_MASTER_DEV, (SB_DSP4_MASTER_DEV + 1), 3, 3, 31),
204 SB_DOUBLE("Tone Control - Bass", SB_DSP4_BASS_DEV, (SB_DSP4_BASS_DEV + 1), 4, 4, 15),
205 SB_DOUBLE("Tone Control - Treble", SB_DSP4_TREBLE_DEV, (SB_DSP4_TREBLE_DEV + 1), 4, 4, 15),
206 SB_DOUBLE("SB PCM Playback Volume", SB_DSP4_PCM_DEV, (SB_DSP4_PCM_DEV + 1), 3, 3, 31),
207 SB_DOUBLE("SB Synth Playback Volume", SB_DSP4_SYNTH_DEV, (SB_DSP4_SYNTH_DEV + 1), 3, 3, 31),
208 SB_DOUBLE("SB CD Playback Switch", SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 2, 1, 1),
209 SB_DOUBLE("SB CD Playback Volume", SB_DSP4_CD_DEV, (SB_DSP4_CD_DEV + 1), 3, 3, 31),
210 SB_DOUBLE("SB Line Playback Switch", SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 4, 3, 1),
211 SB_DOUBLE("SB Line Playback Volume", SB_DSP4_LINE_DEV, (SB_DSP4_LINE_DEV + 1), 3, 3, 31),
212 SB_SINGLE("SB Mic Playback Switch", SB_DSP4_OUTPUT_SW, 0, 1),
213 SB_SINGLE("SB Mic Playback Volume", SB_DSP4_MIC_DEV, 3, 31),
214 SB_SINGLE("SB PC Speaker Volume", SB_DSP4_SPEAKER_DEV, 6, 3),
215 SB_DOUBLE("SB Capture Volume", SB_DSP4_IGAIN_DEV, (SB_DSP4_IGAIN_DEV + 1), 6, 6, 3),
216 SB_DOUBLE("SB Playback Volume", SB_DSP4_OGAIN_DEV, (SB_DSP4_OGAIN_DEV + 1), 6, 6, 3),
217 SB_SINGLE("SB Mic Auto Gain", SB_DSP4_MIC_AGC, 0, 1),
218 };
219
220 static unsigned char cmi8330_sb_init_values[][2] __initdata = {
221         { SB_DSP4_MASTER_DEV + 0, 0 },
222         { SB_DSP4_MASTER_DEV + 1, 0 },
223         { SB_DSP4_PCM_DEV + 0, 0 },
224         { SB_DSP4_PCM_DEV + 1, 0 },
225         { SB_DSP4_SYNTH_DEV + 0, 0 },
226         { SB_DSP4_SYNTH_DEV + 1, 0 },
227         { SB_DSP4_INPUT_LEFT, 0 },
228         { SB_DSP4_INPUT_RIGHT, 0 },
229         { SB_DSP4_OUTPUT_SW, 0 },
230         { SB_DSP4_SPEAKER_DEV, 0 },
231 };
232
233
234 static int __devinit cmi8330_add_sb_mixers(sb_t *chip)
235 {
236         int idx, err;
237         unsigned long flags;
238
239         spin_lock_irqsave(&chip->mixer_lock, flags);
240         snd_sbmixer_write(chip, 0x00, 0x00);            /* mixer reset */
241         spin_unlock_irqrestore(&chip->mixer_lock, flags);
242
243         /* mute and zero volume channels */
244         for (idx = 0; idx < ARRAY_SIZE(cmi8330_sb_init_values); idx++) {
245                 spin_lock_irqsave(&chip->mixer_lock, flags);
246                 snd_sbmixer_write(chip, cmi8330_sb_init_values[idx][0],
247                                   cmi8330_sb_init_values[idx][1]);
248                 spin_unlock_irqrestore(&chip->mixer_lock, flags);
249         }
250
251         for (idx = 0; idx < ARRAY_SIZE(cmi8330_sb_mixers); idx++) {
252                 if ((err = snd_sbmixer_add_ctl_elem(chip, &cmi8330_sb_mixers[idx])) < 0)
253                         return err;
254         }
255         return 0;
256 }
257 #endif
258
259 static int __devinit snd_cmi8330_mixer(snd_card_t *card, struct snd_cmi8330 *acard)
260 {
261         unsigned int idx;
262         int err;
263
264         strcpy(card->mixername, "CMI8330/C3D");
265
266         for (idx = 0; idx < ARRAY_SIZE(snd_cmi8330_controls); idx++) {
267                 if ((err = snd_ad1848_add_ctl_elem(acard->wss, &snd_cmi8330_controls[idx])) < 0)
268                         return err;
269         }
270
271 #ifdef ENABLE_SB_MIXER
272         if ((err = cmi8330_add_sb_mixers(acard->sb)) < 0)
273                 return err;
274 #endif
275         return 0;
276 }
277
278 #ifdef CONFIG_PNP
279 static int __devinit snd_cmi8330_pnp(int dev, struct snd_cmi8330 *acard,
280                                      struct pnp_card_link *card,
281                                      const struct pnp_card_device_id *id)
282 {
283         struct pnp_dev *pdev;
284         struct pnp_resource_table * cfg = kmalloc(sizeof(struct pnp_resource_table), GFP_KERNEL);
285         int err;
286
287         acard->cap = pnp_request_card_device(card, id->devs[0].id, NULL);
288         if (acard->cap == NULL) {
289                 kfree(cfg);
290                 return -EBUSY;
291         }
292         acard->play = pnp_request_card_device(card, id->devs[1].id, NULL);
293         if (acard->play == NULL) {
294                 kfree(cfg);
295                 return -EBUSY;
296         }
297
298         pdev = acard->cap;
299         pnp_init_resource_table(cfg);
300         /* allocate AD1848 resources */
301         if (wssport[dev] != SNDRV_AUTO_PORT)
302                 pnp_resource_change(&cfg->port_resource[0], wssport[dev], 8);
303         if (wssdma[dev] != SNDRV_AUTO_DMA)
304                 pnp_resource_change(&cfg->dma_resource[0], wssdma[dev], 1);
305         if (wssirq[dev] != SNDRV_AUTO_IRQ)
306                 pnp_resource_change(&cfg->irq_resource[0], wssirq[dev], 1);
307
308         err = pnp_manual_config_dev(pdev, cfg, 0);
309         if (err < 0)
310                 snd_printk(KERN_ERR "CMI8330/C3D (AD1848) PnP manual resources are invalid, using auto config\n");
311         err = pnp_activate_dev(pdev);
312         if (err < 0) {
313                 snd_printk(KERN_ERR "CMI8330/C3D (AD1848) PnP configure failure\n");
314                 kfree(cfg);
315                 return -EBUSY;
316         }
317         wssport[dev] = pnp_port_start(pdev, 0);
318         wssdma[dev] = pnp_dma(pdev, 0);
319         wssirq[dev] = pnp_irq(pdev, 0);
320
321         /* allocate SB16 resources */
322         pdev = acard->play;
323         pnp_init_resource_table(cfg);
324         if (sbport[dev] != SNDRV_AUTO_PORT)
325                 pnp_resource_change(&cfg->port_resource[0], sbport[dev], 16);
326         if (sbdma8[dev] != SNDRV_AUTO_DMA)
327                 pnp_resource_change(&cfg->dma_resource[0], sbdma8[dev], 1);
328         if (sbdma16[dev] != SNDRV_AUTO_DMA)
329                 pnp_resource_change(&cfg->dma_resource[1], sbdma16[dev], 1);
330         if (sbirq[dev] != SNDRV_AUTO_IRQ)
331                 pnp_resource_change(&cfg->irq_resource[0], sbirq[dev], 1);
332
333         err = pnp_manual_config_dev(pdev, cfg, 0);
334         if (err < 0)
335                 snd_printk(KERN_ERR "CMI8330/C3D (SB16) PnP manual resources are invalid, using auto config\n");
336         err = pnp_activate_dev(pdev);
337         if (err < 0) {
338                 snd_printk(KERN_ERR "CMI8330/C3D (SB16) PnP configure failure\n");
339                 kfree(cfg);
340                 return -EBUSY;
341         }
342         sbport[dev] = pnp_port_start(pdev, 0);
343         sbdma8[dev] = pnp_dma(pdev, 0);
344         sbdma16[dev] = pnp_dma(pdev, 1);
345         sbirq[dev] = pnp_irq(pdev, 0);
346
347         kfree(cfg);
348         return 0;
349 }
350 #endif
351
352 /*
353  * PCM interface
354  *
355  * since we call the different chip interfaces for playback and capture
356  * directions, we need a trick.
357  *
358  * - copy the ops for each direction into a local record.
359  * - replace the open callback with the new one, which replaces the
360  *   substream->private_data with the corresponding chip instance
361  *   and calls again the original open callback of the chip.
362  *
363  */
364
365 #ifdef PLAYBACK_ON_SB
366 #define CMI_SB_STREAM   SNDRV_PCM_STREAM_PLAYBACK
367 #define CMI_AD_STREAM   SNDRV_PCM_STREAM_CAPTURE
368 #else
369 #define CMI_SB_STREAM   SNDRV_PCM_STREAM_CAPTURE
370 #define CMI_AD_STREAM   SNDRV_PCM_STREAM_PLAYBACK
371 #endif
372
373 static int snd_cmi8330_playback_open(snd_pcm_substream_t * substream)
374 {
375         struct snd_cmi8330 *chip = snd_pcm_substream_chip(substream);
376
377         /* replace the private_data and call the original open callback */
378         substream->private_data = chip->streams[SNDRV_PCM_STREAM_PLAYBACK].private_data;
379         return chip->streams[SNDRV_PCM_STREAM_PLAYBACK].open(substream);
380 }
381
382 static int snd_cmi8330_capture_open(snd_pcm_substream_t * substream)
383 {
384         struct snd_cmi8330 *chip = snd_pcm_substream_chip(substream);
385
386         /* replace the private_data and call the original open callback */
387         substream->private_data = chip->streams[SNDRV_PCM_STREAM_CAPTURE].private_data;
388         return chip->streams[SNDRV_PCM_STREAM_CAPTURE].open(substream);
389 }
390
391 static int __devinit snd_cmi8330_pcm(snd_card_t *card, struct snd_cmi8330 *chip)
392 {
393         snd_pcm_t *pcm;
394         const snd_pcm_ops_t *ops;
395         int err;
396         static snd_pcm_open_callback_t cmi_open_callbacks[2] = {
397                 snd_cmi8330_playback_open,
398                 snd_cmi8330_capture_open
399         };
400
401         if ((err = snd_pcm_new(card, "CMI8330", 0, 1, 1, &pcm)) < 0)
402                 return err;
403         strcpy(pcm->name, "CMI8330");
404         pcm->private_data = chip;
405         
406         /* SB16 */
407         ops = snd_sb16dsp_get_pcm_ops(CMI_SB_STREAM);
408         chip->streams[CMI_SB_STREAM].ops = *ops;
409         chip->streams[CMI_SB_STREAM].open = ops->open;
410         chip->streams[CMI_SB_STREAM].ops.open = cmi_open_callbacks[CMI_SB_STREAM];
411         chip->streams[CMI_SB_STREAM].private_data = chip->sb;
412
413         /* AD1848 */
414         ops = snd_ad1848_get_pcm_ops(CMI_AD_STREAM);
415         chip->streams[CMI_AD_STREAM].ops = *ops;
416         chip->streams[CMI_AD_STREAM].open = ops->open;
417         chip->streams[CMI_AD_STREAM].ops.open = cmi_open_callbacks[CMI_AD_STREAM];
418         chip->streams[CMI_AD_STREAM].private_data = chip->wss;
419
420         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &chip->streams[SNDRV_PCM_STREAM_PLAYBACK].ops);
421         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &chip->streams[SNDRV_PCM_STREAM_CAPTURE].ops);
422
423         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
424                                               snd_dma_isa_data(),
425                                               64*1024, 128*1024);
426         chip->pcm = pcm;
427
428         return 0;
429 }
430
431
432 /*
433  */
434
435 #ifdef CONFIG_PNP
436 #define is_isapnp_selected(dev)         isapnp[dev]
437 #else
438 #define is_isapnp_selected(dev)         0
439 #endif
440
441 #define PFX     "cmi8330: "
442
443 static int __devinit snd_cmi8330_probe(int dev,
444                                        struct pnp_card_link *pcard,
445                                        const struct pnp_card_device_id *pid)
446 {
447         snd_card_t *card;
448         struct snd_cmi8330 *acard;
449         int i, err;
450
451         if (! is_isapnp_selected(dev)) {
452                 if (wssport[dev] == SNDRV_AUTO_PORT) {
453                         snd_printk(KERN_ERR PFX "specify wssport\n");
454                         return -EINVAL;
455                 }
456                 if (sbport[dev] == SNDRV_AUTO_PORT) {
457                         snd_printk(KERN_ERR PFX "specify sbport\n");
458                         return -EINVAL;
459                 }
460         }
461
462         card = snd_card_new(index[dev], id[dev], THIS_MODULE,
463                             sizeof(struct snd_cmi8330));
464         if (card == NULL) {
465                 snd_printk(KERN_ERR PFX "could not get a new card\n");
466                 return -ENOMEM;
467         }
468         acard = (struct snd_cmi8330 *)card->private_data;
469         acard->card = card;
470
471 #ifdef CONFIG_PNP
472         if (isapnp[dev]) {
473                 if ((err = snd_cmi8330_pnp(dev, acard, pcard, pid)) < 0) {
474                         snd_printk(KERN_ERR PFX "PnP detection failed\n");
475                         goto _err;
476                 }
477                 snd_card_set_dev(card, &pcard->card->dev);
478         }
479 #endif
480
481         if ((err = snd_ad1848_create(card,
482                                      wssport[dev] + 4,
483                                      wssirq[dev],
484                                      wssdma[dev],
485                                      AD1848_HW_DETECT,
486                                      &acard->wss)) < 0) {
487                 snd_printk(KERN_ERR PFX "(AD1848) device busy??\n");
488                 goto _err;
489         }
490         if (acard->wss->hardware != AD1848_HW_CMI8330) {
491                 snd_printk(KERN_ERR PFX "(AD1848) not found during probe\n");
492                 err = -ENODEV;
493                 goto _err;
494         }
495
496         if ((err = snd_sbdsp_create(card, sbport[dev],
497                                     sbirq[dev],
498                                     snd_sb16dsp_interrupt,
499                                     sbdma8[dev],
500                                     sbdma16[dev],
501                                     SB_HW_AUTO, &acard->sb)) < 0) {
502                 snd_printk(KERN_ERR PFX "(SB16) device busy??\n");
503                 goto _err;
504         }
505         if (acard->sb->hardware != SB_HW_16) {
506                 snd_printk(KERN_ERR PFX "(SB16) not found during probe\n");
507                 goto _err;
508         }
509
510         snd_ad1848_out(acard->wss, AD1848_MISC_INFO, 0x40); /* switch on MODE2 */
511         for (i = CMI8330_RMUX3D; i <= CMI8330_CDINGAIN; i++)
512                 snd_ad1848_out(acard->wss, i, snd_cmi8330_image[i - CMI8330_RMUX3D]);
513
514         if ((err = snd_cmi8330_mixer(card, acard)) < 0) {
515                 snd_printk(KERN_ERR PFX "failed to create mixers\n");
516                 goto _err;
517         }
518
519         if ((err = snd_cmi8330_pcm(card, acard)) < 0) {
520                 snd_printk(KERN_ERR PFX "failed to create pcms\n");
521                 goto _err;
522         }
523
524         strcpy(card->driver, "CMI8330/C3D");
525         strcpy(card->shortname, "C-Media CMI8330/C3D");
526         sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d",
527                 card->shortname,
528                 acard->wss->port,
529                 wssirq[dev],
530                 wssdma[dev]);
531
532         if ((err = snd_card_set_generic_dev(card)) < 0)
533                 goto _err;
534
535         if ((err = snd_card_register(card)) < 0)
536                 goto _err;
537
538         if (pcard)
539                 pnp_set_card_drvdata(pcard, card);
540         else
541                 snd_cmi8330_legacy[dev] = card;
542         return 0;
543
544  _err:
545         snd_card_free(card);
546         return err;
547 }
548
549 #ifdef CONFIG_PNP
550 static int __devinit snd_cmi8330_pnp_detect(struct pnp_card_link *card,
551                                             const struct pnp_card_device_id *id)
552 {
553         static int dev;
554         int res;
555
556         for ( ; dev < SNDRV_CARDS; dev++) {
557                 if (!enable[dev] || !isapnp[dev])
558                         continue;
559                 res = snd_cmi8330_probe(dev, card, id);
560                 if (res < 0)
561                         return res;
562                 dev++;
563                 return 0;
564         }
565         return -ENODEV;
566 }
567
568 static void __devexit snd_cmi8330_pnp_remove(struct pnp_card_link * pcard)
569 {
570         snd_card_t *card = (snd_card_t *) pnp_get_card_drvdata(pcard);
571
572         snd_card_disconnect(card);
573         snd_card_free_in_thread(card);
574 }
575
576 static struct pnp_card_driver cmi8330_pnpc_driver = {
577         .flags = PNP_DRIVER_RES_DISABLE,
578         .name = "cmi8330",
579         .id_table = snd_cmi8330_pnpids,
580         .probe = snd_cmi8330_pnp_detect,
581         .remove = __devexit_p(snd_cmi8330_pnp_remove),
582 };
583 #endif /* CONFIG_PNP */
584
585 static int __init alsa_card_cmi8330_init(void)
586 {
587         int dev, cards = 0;
588
589         for (dev = 0; dev < SNDRV_CARDS; dev++) {
590                 if (!enable[dev])
591                         continue;
592                 if (is_isapnp_selected(dev))
593                         continue;
594                 if (snd_cmi8330_probe(dev, NULL, NULL) >= 0)
595                         cards++;
596         }
597 #ifdef CONFIG_PNP
598         cards += pnp_register_card_driver(&cmi8330_pnpc_driver);
599 #endif
600
601         if (!cards) {
602 #ifdef CONFIG_PNP
603                 pnp_unregister_card_driver(&cmi8330_pnpc_driver);
604 #endif
605 #ifdef MODULE
606                 snd_printk(KERN_ERR "CMI8330 not found or device busy\n");
607 #endif
608                 return -ENODEV;
609         }
610         return 0;
611 }
612
613 static void __exit alsa_card_cmi8330_exit(void)
614 {
615         int i;
616
617 #ifdef CONFIG_PNP
618         /* PnP cards first */
619         pnp_unregister_card_driver(&cmi8330_pnpc_driver);
620 #endif
621         for (i = 0; i < SNDRV_CARDS; i++)
622                 snd_card_free(snd_cmi8330_legacy[i]);
623 }
624
625 module_init(alsa_card_cmi8330_init)
626 module_exit(alsa_card_cmi8330_exit)