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/err.h> 49 #include <linux/platform_device.h> 50 #include <linux/slab.h> 51 #include <linux/pnp.h> 52 #include <linux/moduleparam.h> 53 #include <sound/core.h> 54 #include <sound/ad1848.h> 55 #include <sound/sb.h> 56 #include <sound/initval.h> 57 58 /* 59 */ 60 /* #define ENABLE_SB_MIXER */ 61 #define PLAYBACK_ON_SB 62 63 /* 64 */ 65 MODULE_AUTHOR("George Talusan <gstalusan@uwaterloo.ca>"); 66 MODULE_DESCRIPTION("C-Media CMI8330"); 67 MODULE_LICENSE("GPL"); 68 MODULE_SUPPORTED_DEVICE("{{C-Media,CMI8330,isapnp:{CMI0001,@@@0001,@X@0001}}}"); 69 70 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; 71 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; 72 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP; 73 #ifdef CONFIG_PNP 74 static int isapnp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1}; 75 #endif 76 static long sbport[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; 77 static int sbirq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; 78 static int sbdma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; 79 static int sbdma16[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; 80 static long wssport[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; 81 static int wssirq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; 82 static int wssdma[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; 83 84 module_param_array(index, int, NULL, 0444); 85 MODULE_PARM_DESC(index, "Index value for CMI8330 soundcard."); 86 module_param_array(id, charp, NULL, 0444); 87 MODULE_PARM_DESC(id, "ID string for CMI8330 soundcard."); 88 module_param_array(enable, bool, NULL, 0444); 89 MODULE_PARM_DESC(enable, "Enable CMI8330 soundcard."); 90 #ifdef CONFIG_PNP 91 module_param_array(isapnp, bool, NULL, 0444); 92 MODULE_PARM_DESC(isapnp, "PnP detection for specified soundcard."); 93 #endif 94 95 module_param_array(sbport, long, NULL, 0444); 96 MODULE_PARM_DESC(sbport, "Port # for CMI8330 SB driver."); 97 module_param_array(sbirq, int, NULL, 0444); 98 MODULE_PARM_DESC(sbirq, "IRQ # for CMI8330 SB driver."); 99 module_param_array(sbdma8, int, NULL, 0444); 100 MODULE_PARM_DESC(sbdma8, "DMA8 for CMI8330 SB driver."); 101 module_param_array(sbdma16, int, NULL, 0444); 102 MODULE_PARM_DESC(sbdma16, "DMA16 for CMI8330 SB driver."); 103 104 module_param_array(wssport, long, NULL, 0444); 105 MODULE_PARM_DESC(wssport, "Port # for CMI8330 WSS driver."); 106 module_param_array(wssirq, int, NULL, 0444); 107 MODULE_PARM_DESC(wssirq, "IRQ # for CMI8330 WSS driver."); 108 module_param_array(wssdma, int, NULL, 0444); 109 MODULE_PARM_DESC(wssdma, "DMA for CMI8330 WSS driver."); 110 111 static struct platform_device *platform_devices[SNDRV_CARDS]; 112 static int pnp_registered; 113 114 #define CMI8330_RMUX3D 16 115 #define CMI8330_MUTEMUX 17 116 #define CMI8330_OUTPUTVOL 18 117 #define CMI8330_MASTVOL 19 118 #define CMI8330_LINVOL 20 119 #define CMI8330_CDINVOL 21 120 #define CMI8330_WAVVOL 22 121 #define CMI8330_RECMUX 23 122 #define CMI8330_WAVGAIN 24 123 #define CMI8330_LINGAIN 25 124 #define CMI8330_CDINGAIN 26 125 126 static unsigned char snd_cmi8330_image[((CMI8330_CDINGAIN)-16) + 1] = 127 { 128 0x40, /* 16 - recording mux (SB-mixer-enabled) */ 129 #ifdef ENABLE_SB_MIXER 130 0x40, /* 17 - mute mux (Mode2) */ 131 #else 132 0x0, /* 17 - mute mux */ 133 #endif 134 0x0, /* 18 - vol */ 135 0x0, /* 19 - master volume */ 136 0x0, /* 20 - line-in volume */ 137 0x0, /* 21 - cd-in volume */ 138 0x0, /* 22 - wave volume */ 139 0x0, /* 23 - mute/rec mux */ 140 0x0, /* 24 - wave rec gain */ 141 0x0, /* 25 - line-in rec gain */ 142 0x0 /* 26 - cd-in rec gain */ 143 }; 144 145 typedef int (*snd_pcm_open_callback_t)(struct snd_pcm_substream *); 146 147 struct snd_cmi8330 { 148 #ifdef CONFIG_PNP 149 struct pnp_dev *cap; 150 struct pnp_dev *play; 151 #endif 152 struct snd_card *card; 153 struct snd_ad1848 *wss; 154 struct snd_sb *sb; 155 156 struct snd_pcm *pcm; 157 struct snd_cmi8330_stream { 158 struct snd_pcm_ops ops; 159 snd_pcm_open_callback_t open; 160 void *private_data; /* sb or wss */ 161 } streams[2]; 162 }; 163 164 #ifdef CONFIG_PNP 165 166 static struct pnp_card_device_id snd_cmi8330_pnpids[] = { 167 { .id = "CMI0001", .devs = { { "@@@0001" }, { "@X@0001" } } }, 168 { .id = "" } 169 }; 170 171 MODULE_DEVICE_TABLE(pnp_card, snd_cmi8330_pnpids); 172 173 #endif 174 175 176 static struct ad1848_mix_elem snd_cmi8330_controls[] __initdata = { 177 AD1848_DOUBLE("Master Playback Volume", 0, CMI8330_MASTVOL, CMI8330_MASTVOL, 4, 0, 15, 0), 178 AD1848_SINGLE("Loud Playback Switch", 0, CMI8330_MUTEMUX, 6, 1, 1), 179 AD1848_DOUBLE("PCM Playback Switch", 0, AD1848_LEFT_OUTPUT, AD1848_RIGHT_OUTPUT, 7, 7, 1, 1), 180 AD1848_DOUBLE("PCM Playback Volume", 0, AD1848_LEFT_OUTPUT, AD1848_RIGHT_OUTPUT, 0, 0, 63, 1), 181 AD1848_DOUBLE("Line Playback Switch", 0, CMI8330_MUTEMUX, CMI8330_MUTEMUX, 4, 3, 1, 0), 182 AD1848_DOUBLE("Line Playback Volume", 0, CMI8330_LINVOL, CMI8330_LINVOL, 4, 0, 15, 0), 183 AD1848_DOUBLE("Line Capture Switch", 0, CMI8330_RMUX3D, CMI8330_RMUX3D, 2, 1, 1, 0), 184 AD1848_DOUBLE("Line Capture Volume", 0, CMI8330_LINGAIN, CMI8330_LINGAIN, 4, 0, 15, 0), 185 AD1848_DOUBLE("CD Playback Switch", 0, CMI8330_MUTEMUX, CMI8330_MUTEMUX, 2, 1, 1, 0), 186 AD1848_DOUBLE("CD Capture Switch", 0, CMI8330_RMUX3D, CMI8330_RMUX3D, 4, 3, 1, 0), 187 AD1848_DOUBLE("CD Playback Volume", 0, CMI8330_CDINVOL, CMI8330_CDINVOL, 4, 0, 15, 0), 188 AD1848_DOUBLE("CD Capture Volume", 0, CMI8330_CDINGAIN, CMI8330_CDINGAIN, 4, 0, 15, 0), 189 AD1848_SINGLE("Mic Playback Switch", 0, CMI8330_MUTEMUX, 0, 1, 0), 190 AD1848_SINGLE("Mic Playback Volume", 0, CMI8330_OUTPUTVOL, 0, 7, 0), 191 AD1848_SINGLE("Mic Capture Switch", 0, CMI8330_RMUX3D, 0, 1, 0), 192 AD1848_SINGLE("Mic Capture Volume", 0, CMI8330_OUTPUTVOL, 5, 7, 0), 193 AD1848_DOUBLE("Wavetable Playback Switch", 0, CMI8330_RECMUX, CMI8330_RECMUX, 1, 0, 1, 0), 194 AD1848_DOUBLE("Wavetable Playback Volume", 0, CMI8330_WAVVOL, CMI8330_WAVVOL, 4, 0, 15, 0), 195 AD1848_DOUBLE("Wavetable Capture Switch", 0, CMI8330_RECMUX, CMI8330_RECMUX, 5, 4, 1, 0), 196 AD1848_DOUBLE("Wavetable Capture Volume", 0, CMI8330_WAVGAIN, CMI8330_WAVGAIN, 4, 0, 15, 0), 197 AD1848_SINGLE("3D Control - Switch", 0, CMI8330_RMUX3D, 5, 1, 1), 198 AD1848_SINGLE("PC Speaker Playback Volume", 0, CMI8330_OUTPUTVOL, 3, 3, 0), 199 AD1848_SINGLE("FM Playback Switch", 0, CMI8330_RECMUX, 3, 1, 1), 200 AD1848_SINGLE(SNDRV_CTL_NAME_IEC958("Input ",CAPTURE,SWITCH), 0, CMI8330_RMUX3D, 7, 1, 1), 201 AD1848_SINGLE(SNDRV_CTL_NAME_IEC958("Input ",PLAYBACK,SWITCH), 0, CMI8330_MUTEMUX, 7, 1, 1), 202 }; 203 204 #ifdef ENABLE_SB_MIXER 205 static struct sbmix_elem cmi8330_sb_mixers[] __initdata = { 206 SB_DOUBLE("SB Master Playback Volume", SB_DSP4_MASTER_DEV, (SB_DSP4_MASTER_DEV + 1), 3, 3, 31), 207 SB_DOUBLE("Tone Control - Bass", SB_DSP4_BASS_DEV, (SB_DSP4_BASS_DEV + 1), 4, 4, 15), 208 SB_DOUBLE("Tone Control - Treble", SB_DSP4_TREBLE_DEV, (SB_DSP4_TREBLE_DEV + 1), 4, 4, 15), 209 SB_DOUBLE("SB PCM Playback Volume", SB_DSP4_PCM_DEV, (SB_DSP4_PCM_DEV + 1), 3, 3, 31), 210 SB_DOUBLE("SB Synth Playback Volume", SB_DSP4_SYNTH_DEV, (SB_DSP4_SYNTH_DEV + 1), 3, 3, 31), 211 SB_DOUBLE("SB CD Playback Switch", SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 2, 1, 1), 212 SB_DOUBLE("SB CD Playback Volume", SB_DSP4_CD_DEV, (SB_DSP4_CD_DEV + 1), 3, 3, 31), 213 SB_DOUBLE("SB Line Playback Switch", SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 4, 3, 1), 214 SB_DOUBLE("SB Line Playback Volume", SB_DSP4_LINE_DEV, (SB_DSP4_LINE_DEV + 1), 3, 3, 31), 215 SB_SINGLE("SB Mic Playback Switch", SB_DSP4_OUTPUT_SW, 0, 1), 216 SB_SINGLE("SB Mic Playback Volume", SB_DSP4_MIC_DEV, 3, 31), 217 SB_SINGLE("SB PC Speaker Volume", SB_DSP4_SPEAKER_DEV, 6, 3), 218 SB_DOUBLE("SB Capture Volume", SB_DSP4_IGAIN_DEV, (SB_DSP4_IGAIN_DEV + 1), 6, 6, 3), 219 SB_DOUBLE("SB Playback Volume", SB_DSP4_OGAIN_DEV, (SB_DSP4_OGAIN_DEV + 1), 6, 6, 3), 220 SB_SINGLE("SB Mic Auto Gain", SB_DSP4_MIC_AGC, 0, 1), 221 }; 222 223 static unsigned char cmi8330_sb_init_values[][2] __initdata = { 224 { SB_DSP4_MASTER_DEV + 0, 0 }, 225 { SB_DSP4_MASTER_DEV + 1, 0 }, 226 { SB_DSP4_PCM_DEV + 0, 0 }, 227 { SB_DSP4_PCM_DEV + 1, 0 }, 228 { SB_DSP4_SYNTH_DEV + 0, 0 }, 229 { SB_DSP4_SYNTH_DEV + 1, 0 }, 230 { SB_DSP4_INPUT_LEFT, 0 }, 231 { SB_DSP4_INPUT_RIGHT, 0 }, 232 { SB_DSP4_OUTPUT_SW, 0 }, 233 { SB_DSP4_SPEAKER_DEV, 0 }, 234 }; 235 236 237 static int __devinit cmi8330_add_sb_mixers(struct snd_sb *chip) 238 { 239 int idx, err; 240 unsigned long flags; 241 242 spin_lock_irqsave(&chip->mixer_lock, flags); 243 snd_sbmixer_write(chip, 0x00, 0x00); /* mixer reset */ 244 spin_unlock_irqrestore(&chip->mixer_lock, flags); 245 246 /* mute and zero volume channels */ 247 for (idx = 0; idx < ARRAY_SIZE(cmi8330_sb_init_values); idx++) { 248 spin_lock_irqsave(&chip->mixer_lock, flags); 249 snd_sbmixer_write(chip, cmi8330_sb_init_values[idx][0], 250 cmi8330_sb_init_values[idx][1]); 251 spin_unlock_irqrestore(&chip->mixer_lock, flags); 252 } 253 254 for (idx = 0; idx < ARRAY_SIZE(cmi8330_sb_mixers); idx++) { 255 if ((err = snd_sbmixer_add_ctl_elem(chip, &cmi8330_sb_mixers[idx])) < 0) 256 return err; 257 } 258 return 0; 259 } 260 #endif 261 262 static int __devinit snd_cmi8330_mixer(struct snd_card *card, struct snd_cmi8330 *acard) 263 { 264 unsigned int idx; 265 int err; 266 267 strcpy(card->mixername, "CMI8330/C3D"); 268 269 for (idx = 0; idx < ARRAY_SIZE(snd_cmi8330_controls); idx++) { 270 if ((err = snd_ad1848_add_ctl_elem(acard->wss, &snd_cmi8330_controls[idx])) < 0) 271 return err; 272 } 273 274 #ifdef ENABLE_SB_MIXER 275 if ((err = cmi8330_add_sb_mixers(acard->sb)) < 0) 276 return err; 277 #endif 278 return 0; 279 } 280 281 #ifdef CONFIG_PNP 282 static int __devinit snd_cmi8330_pnp(int dev, struct snd_cmi8330 *acard, 283 struct pnp_card_link *card, 284 const struct pnp_card_device_id *id) 285 { 286 struct pnp_dev *pdev; 287 struct pnp_resource_table * cfg = kmalloc(sizeof(struct pnp_resource_table), GFP_KERNEL); 288 int err; 289 290 acard->cap = pnp_request_card_device(card, id->devs[0].id, NULL); 291 if (acard->cap == NULL) { 292 kfree(cfg); 293 return -EBUSY; 294 } 295 acard->play = pnp_request_card_device(card, id->devs[1].id, NULL); 296 if (acard->play == NULL) { 297 kfree(cfg); 298 return -EBUSY; 299 } 300 301 pdev = acard->cap; 302 pnp_init_resource_table(cfg); 303 /* allocate AD1848 resources */ 304 if (wssport[dev] != SNDRV_AUTO_PORT) 305 pnp_resource_change(&cfg->port_resource[0], wssport[dev], 8); 306 if (wssdma[dev] != SNDRV_AUTO_DMA) 307 pnp_resource_change(&cfg->dma_resource[0], wssdma[dev], 1); 308 if (wssirq[dev] != SNDRV_AUTO_IRQ) 309 pnp_resource_change(&cfg->irq_resource[0], wssirq[dev], 1); 310 311 err = pnp_manual_config_dev(pdev, cfg, 0); 312 if (err < 0) 313 snd_printk(KERN_ERR "CMI8330/C3D (AD1848) PnP manual resources are invalid, using auto config\n"); 314 err = pnp_activate_dev(pdev); 315 if (err < 0) { 316 snd_printk(KERN_ERR "CMI8330/C3D (AD1848) PnP configure failure\n"); 317 kfree(cfg); 318 return -EBUSY; 319 } 320 wssport[dev] = pnp_port_start(pdev, 0); 321 wssdma[dev] = pnp_dma(pdev, 0); 322 wssirq[dev] = pnp_irq(pdev, 0); 323 324 /* allocate SB16 resources */ 325 pdev = acard->play; 326 pnp_init_resource_table(cfg); 327 if (sbport[dev] != SNDRV_AUTO_PORT) 328 pnp_resource_change(&cfg->port_resource[0], sbport[dev], 16); 329 if (sbdma8[dev] != SNDRV_AUTO_DMA) 330 pnp_resource_change(&cfg->dma_resource[0], sbdma8[dev], 1); 331 if (sbdma16[dev] != SNDRV_AUTO_DMA) 332 pnp_resource_change(&cfg->dma_resource[1], sbdma16[dev], 1); 333 if (sbirq[dev] != SNDRV_AUTO_IRQ) 334 pnp_resource_change(&cfg->irq_resource[0], sbirq[dev], 1); 335 336 err = pnp_manual_config_dev(pdev, cfg, 0); 337 if (err < 0) 338 snd_printk(KERN_ERR "CMI8330/C3D (SB16) PnP manual resources are invalid, using auto config\n"); 339 err = pnp_activate_dev(pdev); 340 if (err < 0) { 341 snd_printk(KERN_ERR "CMI8330/C3D (SB16) PnP configure failure\n"); 342 kfree(cfg); 343 return -EBUSY; 344 } 345 sbport[dev] = pnp_port_start(pdev, 0); 346 sbdma8[dev] = pnp_dma(pdev, 0); 347 sbdma16[dev] = pnp_dma(pdev, 1); 348 sbirq[dev] = pnp_irq(pdev, 0); 349 350 kfree(cfg); 351 return 0; 352 } 353 #endif 354 355 /* 356 * PCM interface 357 * 358 * since we call the different chip interfaces for playback and capture 359 * directions, we need a trick. 360 * 361 * - copy the ops for each direction into a local record. 362 * - replace the open callback with the new one, which replaces the 363 * substream->private_data with the corresponding chip instance 364 * and calls again the original open callback of the chip. 365 * 366 */ 367 368 #ifdef PLAYBACK_ON_SB 369 #define CMI_SB_STREAM SNDRV_PCM_STREAM_PLAYBACK 370 #define CMI_AD_STREAM SNDRV_PCM_STREAM_CAPTURE 371 #else 372 #define CMI_SB_STREAM SNDRV_PCM_STREAM_CAPTURE 373 #define CMI_AD_STREAM SNDRV_PCM_STREAM_PLAYBACK 374 #endif 375 376 static int snd_cmi8330_playback_open(struct snd_pcm_substream *substream) 377 { 378 struct snd_cmi8330 *chip = snd_pcm_substream_chip(substream); 379 380 /* replace the private_data and call the original open callback */ 381 substream->private_data = chip->streams[SNDRV_PCM_STREAM_PLAYBACK].private_data; 382 return chip->streams[SNDRV_PCM_STREAM_PLAYBACK].open(substream); 383 } 384 385 static int snd_cmi8330_capture_open(struct snd_pcm_substream *substream) 386 { 387 struct snd_cmi8330 *chip = snd_pcm_substream_chip(substream); 388 389 /* replace the private_data and call the original open callback */ 390 substream->private_data = chip->streams[SNDRV_PCM_STREAM_CAPTURE].private_data; 391 return chip->streams[SNDRV_PCM_STREAM_CAPTURE].open(substream); 392 } 393 394 static int __devinit snd_cmi8330_pcm(struct snd_card *card, struct snd_cmi8330 *chip) 395 { 396 struct snd_pcm *pcm; 397 const struct snd_pcm_ops *ops; 398 int err; 399 static snd_pcm_open_callback_t cmi_open_callbacks[2] = { 400 snd_cmi8330_playback_open, 401 snd_cmi8330_capture_open 402 }; 403 404 if ((err = snd_pcm_new(card, "CMI8330", 0, 1, 1, &pcm)) < 0) 405 return err; 406 strcpy(pcm->name, "CMI8330"); 407 pcm->private_data = chip; 408 409 /* SB16 */ 410 ops = snd_sb16dsp_get_pcm_ops(CMI_SB_STREAM); 411 chip->streams[CMI_SB_STREAM].ops = *ops; 412 chip->streams[CMI_SB_STREAM].open = ops->open; 413 chip->streams[CMI_SB_STREAM].ops.open = cmi_open_callbacks[CMI_SB_STREAM]; 414 chip->streams[CMI_SB_STREAM].private_data = chip->sb; 415 416 /* AD1848 */ 417 ops = snd_ad1848_get_pcm_ops(CMI_AD_STREAM); 418 chip->streams[CMI_AD_STREAM].ops = *ops; 419 chip->streams[CMI_AD_STREAM].open = ops->open; 420 chip->streams[CMI_AD_STREAM].ops.open = cmi_open_callbacks[CMI_AD_STREAM]; 421 chip->streams[CMI_AD_STREAM].private_data = chip->wss; 422 423 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &chip->streams[SNDRV_PCM_STREAM_PLAYBACK].ops); 424 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &chip->streams[SNDRV_PCM_STREAM_CAPTURE].ops); 425 426 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, 427 snd_dma_isa_data(), 428 64*1024, 128*1024); 429 chip->pcm = pcm; 430 431 return 0; 432 } 433 434 435 #ifdef CONFIG_PM 436 static int snd_cmi8330_suspend(struct snd_card *card) 437 { 438 struct snd_cmi8330 *acard = card->private_data; 439 440 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 441 snd_pcm_suspend_all(acard->pcm); 442 acard->wss->suspend(acard->wss); 443 snd_sbmixer_suspend(acard->sb); 444 return 0; 445 } 446 447 static int snd_cmi8330_resume(struct snd_card *card) 448 { 449 struct snd_cmi8330 *acard = card->private_data; 450 451 snd_sbdsp_reset(acard->sb); 452 snd_sbmixer_suspend(acard->sb); 453 acard->wss->resume(acard->wss); 454 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 455 return 0; 456 } 457 #endif 458 459 460 /* 461 */ 462 463 #ifdef CONFIG_PNP 464 #define is_isapnp_selected(dev) isapnp[dev] 465 #else 466 #define is_isapnp_selected(dev) 0 467 #endif 468 469 #define PFX "cmi8330: " 470 471 static struct snd_card *snd_cmi8330_card_new(int dev) 472 { 473 struct snd_card *card; 474 struct snd_cmi8330 *acard; 475 476 card = snd_card_new(index[dev], id[dev], THIS_MODULE, 477 sizeof(struct snd_cmi8330)); 478 if (card == NULL) { 479 snd_printk(KERN_ERR PFX "could not get a new card\n"); 480 return NULL; 481 } 482 acard = card->private_data; 483 acard->card = card; 484 return card; 485 } 486 487 static int __devinit snd_cmi8330_probe(struct snd_card *card, int dev) 488 { 489 struct snd_cmi8330 *acard; 490 int i, err; 491 492 acard = card->private_data; 493 if ((err = snd_ad1848_create(card, 494 wssport[dev] + 4, 495 wssirq[dev], 496 wssdma[dev], 497 AD1848_HW_DETECT, 498 &acard->wss)) < 0) { 499 snd_printk(KERN_ERR PFX "(AD1848) device busy??\n"); 500 return err; 501 } 502 if (acard->wss->hardware != AD1848_HW_CMI8330) { 503 snd_printk(KERN_ERR PFX "(AD1848) not found during probe\n"); 504 return -ENODEV; 505 } 506 507 if ((err = snd_sbdsp_create(card, sbport[dev], 508 sbirq[dev], 509 snd_sb16dsp_interrupt, 510 sbdma8[dev], 511 sbdma16[dev], 512 SB_HW_AUTO, &acard->sb)) < 0) { 513 snd_printk(KERN_ERR PFX "(SB16) device busy??\n"); 514 return err; 515 } 516 if (acard->sb->hardware != SB_HW_16) { 517 snd_printk(KERN_ERR PFX "(SB16) not found during probe\n"); 518 return err; 519 } 520 521 snd_ad1848_out(acard->wss, AD1848_MISC_INFO, 0x40); /* switch on MODE2 */ 522 for (i = CMI8330_RMUX3D; i <= CMI8330_CDINGAIN; i++) 523 snd_ad1848_out(acard->wss, i, snd_cmi8330_image[i - CMI8330_RMUX3D]); 524 525 if ((err = snd_cmi8330_mixer(card, acard)) < 0) { 526 snd_printk(KERN_ERR PFX "failed to create mixers\n"); 527 return err; 528 } 529 530 if ((err = snd_cmi8330_pcm(card, acard)) < 0) { 531 snd_printk(KERN_ERR PFX "failed to create pcms\n"); 532 return err; 533 } 534 535 strcpy(card->driver, "CMI8330/C3D"); 536 strcpy(card->shortname, "C-Media CMI8330/C3D"); 537 sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d", 538 card->shortname, 539 acard->wss->port, 540 wssirq[dev], 541 wssdma[dev]); 542 543 return snd_card_register(card); 544 } 545 546 static int __init snd_cmi8330_nonpnp_probe(struct platform_device *pdev) 547 { 548 struct snd_card *card; 549 int err; 550 int dev = pdev->id; 551 552 if (wssport[dev] == SNDRV_AUTO_PORT) { 553 snd_printk(KERN_ERR PFX "specify wssport\n"); 554 return -EINVAL; 555 } 556 if (sbport[dev] == SNDRV_AUTO_PORT) { 557 snd_printk(KERN_ERR PFX "specify sbport\n"); 558 return -EINVAL; 559 } 560 561 card = snd_cmi8330_card_new(dev); 562 if (! card) 563 return -ENOMEM; 564 snd_card_set_dev(card, &pdev->dev); 565 if ((err = snd_cmi8330_probe(card, dev)) < 0) { 566 snd_card_free(card); 567 return err; 568 } 569 platform_set_drvdata(pdev, card); 570 return 0; 571 } 572 573 static int snd_cmi8330_nonpnp_remove(struct platform_device *devptr) 574 { 575 snd_card_free(platform_get_drvdata(devptr)); 576 platform_set_drvdata(devptr, NULL); 577 return 0; 578 } 579 580 #ifdef CONFIG_PM 581 static int snd_cmi8330_nonpnp_suspend(struct platform_device *dev, pm_message_t state) 582 { 583 return snd_cmi8330_suspend(platform_get_drvdata(dev)); 584 } 585 586 static int snd_cmi8330_nonpnp_resume(struct platform_device *dev) 587 { 588 return snd_cmi8330_resume(platform_get_drvdata(dev)); 589 } 590 #endif 591 592 #define CMI8330_DRIVER "snd_cmi8330" 593 594 static struct platform_driver snd_cmi8330_driver = { 595 .probe = snd_cmi8330_nonpnp_probe, 596 .remove = snd_cmi8330_nonpnp_remove, 597 #ifdef CONFIG_PM 598 .suspend = snd_cmi8330_nonpnp_suspend, 599 .resume = snd_cmi8330_nonpnp_resume, 600 #endif 601 .driver = { 602 .name = CMI8330_DRIVER 603 }, 604 }; 605 606 607 #ifdef CONFIG_PNP 608 static int __devinit snd_cmi8330_pnp_detect(struct pnp_card_link *pcard, 609 const struct pnp_card_device_id *pid) 610 { 611 static int dev; 612 struct snd_card *card; 613 int res; 614 615 for ( ; dev < SNDRV_CARDS; dev++) { 616 if (enable[dev] && isapnp[dev]) 617 break; 618 } 619 if (dev >= SNDRV_CARDS) 620 return -ENODEV; 621 622 card = snd_cmi8330_card_new(dev); 623 if (! card) 624 return -ENOMEM; 625 if ((res = snd_cmi8330_pnp(dev, card->private_data, pcard, pid)) < 0) { 626 snd_printk(KERN_ERR PFX "PnP detection failed\n"); 627 snd_card_free(card); 628 return res; 629 } 630 snd_card_set_dev(card, &pcard->card->dev); 631 if ((res = snd_cmi8330_probe(card, dev)) < 0) { 632 snd_card_free(card); 633 return res; 634 } 635 pnp_set_card_drvdata(pcard, card); 636 dev++; 637 return 0; 638 } 639 640 static void __devexit snd_cmi8330_pnp_remove(struct pnp_card_link * pcard) 641 { 642 snd_card_free(pnp_get_card_drvdata(pcard)); 643 pnp_set_card_drvdata(pcard, NULL); 644 } 645 646 #ifdef CONFIG_PM 647 static int snd_cmi8330_pnp_suspend(struct pnp_card_link *pcard, pm_message_t state) 648 { 649 return snd_cmi8330_suspend(pnp_get_card_drvdata(pcard)); 650 } 651 652 static int snd_cmi8330_pnp_resume(struct pnp_card_link *pcard) 653 { 654 return snd_cmi8330_resume(pnp_get_card_drvdata(pcard)); 655 } 656 #endif 657 658 static struct pnp_card_driver cmi8330_pnpc_driver = { 659 .flags = PNP_DRIVER_RES_DISABLE, 660 .name = "cmi8330", 661 .id_table = snd_cmi8330_pnpids, 662 .probe = snd_cmi8330_pnp_detect, 663 .remove = __devexit_p(snd_cmi8330_pnp_remove), 664 #ifdef CONFIG_PM 665 .suspend = snd_cmi8330_pnp_suspend, 666 .resume = snd_cmi8330_pnp_resume, 667 #endif 668 }; 669 #endif /* CONFIG_PNP */ 670 671 static void __init_or_module snd_cmi8330_unregister_all(void) 672 { 673 int i; 674 675 if (pnp_registered) 676 pnp_unregister_card_driver(&cmi8330_pnpc_driver); 677 for (i = 0; i < ARRAY_SIZE(platform_devices); ++i) 678 platform_device_unregister(platform_devices[i]); 679 platform_driver_unregister(&snd_cmi8330_driver); 680 } 681 682 static int __init alsa_card_cmi8330_init(void) 683 { 684 int i, err, cards = 0; 685 686 if ((err = platform_driver_register(&snd_cmi8330_driver)) < 0) 687 return err; 688 689 for (i = 0; i < SNDRV_CARDS && enable[i]; i++) { 690 struct platform_device *device; 691 if (is_isapnp_selected(i)) 692 continue; 693 device = platform_device_register_simple(CMI8330_DRIVER, 694 i, NULL, 0); 695 if (IS_ERR(device)) { 696 err = PTR_ERR(device); 697 goto errout; 698 } 699 platform_devices[i] = device; 700 cards++; 701 } 702 703 err = pnp_register_card_driver(&cmi8330_pnpc_driver); 704 if (err >= 0) { 705 pnp_registered = 1; 706 cards += err; 707 } 708 709 if (!cards) { 710 #ifdef MODULE 711 snd_printk(KERN_ERR "CMI8330 not found or device busy\n"); 712 #endif 713 err = -ENODEV; 714 goto errout; 715 } 716 return 0; 717 718 errout: 719 snd_cmi8330_unregister_all(); 720 return err; 721 } 722 723 static void __exit alsa_card_cmi8330_exit(void) 724 { 725 snd_cmi8330_unregister_all(); 726 } 727 728 module_init(alsa_card_cmi8330_init) 729 module_exit(alsa_card_cmi8330_exit) 730