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 void snd_cmi8330_pcm_free(snd_pcm_t *pcm) 392 { 393 snd_pcm_lib_preallocate_free_for_all(pcm); 394 } 395 396 static int __devinit snd_cmi8330_pcm(snd_card_t *card, struct snd_cmi8330 *chip) 397 { 398 snd_pcm_t *pcm; 399 const snd_pcm_ops_t *ops; 400 int err; 401 static snd_pcm_open_callback_t cmi_open_callbacks[2] = { 402 snd_cmi8330_playback_open, 403 snd_cmi8330_capture_open 404 }; 405 406 if ((err = snd_pcm_new(card, "CMI8330", 0, 1, 1, &pcm)) < 0) 407 return err; 408 strcpy(pcm->name, "CMI8330"); 409 pcm->private_data = chip; 410 pcm->private_free = snd_cmi8330_pcm_free; 411 412 /* SB16 */ 413 ops = snd_sb16dsp_get_pcm_ops(CMI_SB_STREAM); 414 chip->streams[CMI_SB_STREAM].ops = *ops; 415 chip->streams[CMI_SB_STREAM].open = ops->open; 416 chip->streams[CMI_SB_STREAM].ops.open = cmi_open_callbacks[CMI_SB_STREAM]; 417 chip->streams[CMI_SB_STREAM].private_data = chip->sb; 418 419 /* AD1848 */ 420 ops = snd_ad1848_get_pcm_ops(CMI_AD_STREAM); 421 chip->streams[CMI_AD_STREAM].ops = *ops; 422 chip->streams[CMI_AD_STREAM].open = ops->open; 423 chip->streams[CMI_AD_STREAM].ops.open = cmi_open_callbacks[CMI_AD_STREAM]; 424 chip->streams[CMI_AD_STREAM].private_data = chip->wss; 425 426 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &chip->streams[SNDRV_PCM_STREAM_PLAYBACK].ops); 427 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &chip->streams[SNDRV_PCM_STREAM_CAPTURE].ops); 428 429 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, 430 snd_dma_isa_data(), 431 64*1024, 128*1024); 432 chip->pcm = pcm; 433 434 return 0; 435 } 436 437 438 /* 439 */ 440 441 #ifdef CONFIG_PNP 442 #define is_isapnp_selected(dev) isapnp[dev] 443 #else 444 #define is_isapnp_selected(dev) 0 445 #endif 446 447 #define PFX "cmi8330: " 448 449 static int __devinit snd_cmi8330_probe(int dev, 450 struct pnp_card_link *pcard, 451 const struct pnp_card_device_id *pid) 452 { 453 snd_card_t *card; 454 struct snd_cmi8330 *acard; 455 int i, err; 456 457 if (! is_isapnp_selected(dev)) { 458 if (wssport[dev] == SNDRV_AUTO_PORT) { 459 snd_printk(KERN_ERR PFX "specify wssport\n"); 460 return -EINVAL; 461 } 462 if (sbport[dev] == SNDRV_AUTO_PORT) { 463 snd_printk(KERN_ERR PFX "specify sbport\n"); 464 return -EINVAL; 465 } 466 } 467 468 card = snd_card_new(index[dev], id[dev], THIS_MODULE, 469 sizeof(struct snd_cmi8330)); 470 if (card == NULL) { 471 snd_printk(KERN_ERR PFX "could not get a new card\n"); 472 return -ENOMEM; 473 } 474 acard = (struct snd_cmi8330 *)card->private_data; 475 acard->card = card; 476 477 #ifdef CONFIG_PNP 478 if (isapnp[dev]) { 479 if ((err = snd_cmi8330_pnp(dev, acard, pcard, pid)) < 0) { 480 snd_printk(KERN_ERR PFX "PnP detection failed\n"); 481 goto _err; 482 } 483 snd_card_set_dev(card, &pcard->card->dev); 484 } 485 #endif 486 487 if ((err = snd_ad1848_create(card, 488 wssport[dev] + 4, 489 wssirq[dev], 490 wssdma[dev], 491 AD1848_HW_DETECT, 492 &acard->wss)) < 0) { 493 snd_printk(KERN_ERR PFX "(AD1848) device busy??\n"); 494 goto _err; 495 } 496 if (acard->wss->hardware != AD1848_HW_CMI8330) { 497 snd_printk(KERN_ERR PFX "(AD1848) not found during probe\n"); 498 err = -ENODEV; 499 goto _err; 500 } 501 502 if ((err = snd_sbdsp_create(card, sbport[dev], 503 sbirq[dev], 504 snd_sb16dsp_interrupt, 505 sbdma8[dev], 506 sbdma16[dev], 507 SB_HW_AUTO, &acard->sb)) < 0) { 508 snd_printk(KERN_ERR PFX "(SB16) device busy??\n"); 509 goto _err; 510 } 511 if (acard->sb->hardware != SB_HW_16) { 512 snd_printk(KERN_ERR PFX "(SB16) not found during probe\n"); 513 goto _err; 514 } 515 516 snd_ad1848_out(acard->wss, AD1848_MISC_INFO, 0x40); /* switch on MODE2 */ 517 for (i = CMI8330_RMUX3D; i <= CMI8330_CDINGAIN; i++) 518 snd_ad1848_out(acard->wss, i, snd_cmi8330_image[i - CMI8330_RMUX3D]); 519 520 if ((err = snd_cmi8330_mixer(card, acard)) < 0) { 521 snd_printk(KERN_ERR PFX "failed to create mixers\n"); 522 goto _err; 523 } 524 525 if ((err = snd_cmi8330_pcm(card, acard)) < 0) { 526 snd_printk(KERN_ERR PFX "failed to create pcms\n"); 527 goto _err; 528 } 529 530 strcpy(card->driver, "CMI8330/C3D"); 531 strcpy(card->shortname, "C-Media CMI8330/C3D"); 532 sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d", 533 card->shortname, 534 acard->wss->port, 535 wssirq[dev], 536 wssdma[dev]); 537 538 if ((err = snd_card_set_generic_dev(card)) < 0) 539 goto _err; 540 541 if ((err = snd_card_register(card)) < 0) 542 goto _err; 543 544 if (pcard) 545 pnp_set_card_drvdata(pcard, card); 546 else 547 snd_cmi8330_legacy[dev] = card; 548 return 0; 549 550 _err: 551 snd_card_free(card); 552 return err; 553 } 554 555 #ifdef CONFIG_PNP 556 static int __devinit snd_cmi8330_pnp_detect(struct pnp_card_link *card, 557 const struct pnp_card_device_id *id) 558 { 559 static int dev; 560 int res; 561 562 for ( ; dev < SNDRV_CARDS; dev++) { 563 if (!enable[dev] || !isapnp[dev]) 564 continue; 565 res = snd_cmi8330_probe(dev, card, id); 566 if (res < 0) 567 return res; 568 dev++; 569 return 0; 570 } 571 return -ENODEV; 572 } 573 574 static void __devexit snd_cmi8330_pnp_remove(struct pnp_card_link * pcard) 575 { 576 snd_card_t *card = (snd_card_t *) pnp_get_card_drvdata(pcard); 577 578 snd_card_disconnect(card); 579 snd_card_free_in_thread(card); 580 } 581 582 static struct pnp_card_driver cmi8330_pnpc_driver = { 583 .flags = PNP_DRIVER_RES_DISABLE, 584 .name = "cmi8330", 585 .id_table = snd_cmi8330_pnpids, 586 .probe = snd_cmi8330_pnp_detect, 587 .remove = __devexit_p(snd_cmi8330_pnp_remove), 588 }; 589 #endif /* CONFIG_PNP */ 590 591 static int __init alsa_card_cmi8330_init(void) 592 { 593 int dev, cards = 0; 594 595 for (dev = 0; dev < SNDRV_CARDS; dev++) { 596 if (!enable[dev]) 597 continue; 598 if (is_isapnp_selected(dev)) 599 continue; 600 if (snd_cmi8330_probe(dev, NULL, NULL) >= 0) 601 cards++; 602 } 603 #ifdef CONFIG_PNP 604 cards += pnp_register_card_driver(&cmi8330_pnpc_driver); 605 #endif 606 607 if (!cards) { 608 #ifdef CONFIG_PNP 609 pnp_unregister_card_driver(&cmi8330_pnpc_driver); 610 #endif 611 #ifdef MODULE 612 snd_printk(KERN_ERR "CMI8330 not found or device busy\n"); 613 #endif 614 return -ENODEV; 615 } 616 return 0; 617 } 618 619 static void __exit alsa_card_cmi8330_exit(void) 620 { 621 int i; 622 623 #ifdef CONFIG_PNP 624 /* PnP cards first */ 625 pnp_unregister_card_driver(&cmi8330_pnpc_driver); 626 #endif 627 for (i = 0; i < SNDRV_CARDS; i++) 628 snd_card_free(snd_cmi8330_legacy[i]); 629 } 630 631 module_init(alsa_card_cmi8330_init) 632 module_exit(alsa_card_cmi8330_exit) 633