1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Driver for SoundBlaster 16/AWE32/AWE64 soundcards 4 * Copyright (c) by Jaroslav Kysela <perex@perex.cz> 5 */ 6 7 #include <asm/dma.h> 8 #include <linux/init.h> 9 #include <linux/pnp.h> 10 #include <linux/err.h> 11 #include <linux/isa.h> 12 #include <linux/module.h> 13 #include <sound/core.h> 14 #include <sound/sb.h> 15 #include <sound/sb16_csp.h> 16 #include <sound/mpu401.h> 17 #include <sound/opl3.h> 18 #include <sound/emu8000.h> 19 #include <sound/seq_device.h> 20 #define SNDRV_LEGACY_FIND_FREE_IRQ 21 #define SNDRV_LEGACY_FIND_FREE_DMA 22 #include <sound/initval.h> 23 24 #ifdef SNDRV_SBAWE 25 #define PFX "sbawe: " 26 #else 27 #define PFX "sb16: " 28 #endif 29 30 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); 31 MODULE_LICENSE("GPL"); 32 #ifndef SNDRV_SBAWE 33 MODULE_DESCRIPTION("Sound Blaster 16"); 34 MODULE_SUPPORTED_DEVICE("{{Creative Labs,SB 16}," 35 "{Creative Labs,SB Vibra16S}," 36 "{Creative Labs,SB Vibra16C}," 37 "{Creative Labs,SB Vibra16CL}," 38 "{Creative Labs,SB Vibra16X}}"); 39 #else 40 MODULE_DESCRIPTION("Sound Blaster AWE"); 41 MODULE_SUPPORTED_DEVICE("{{Creative Labs,SB AWE 32}," 42 "{Creative Labs,SB AWE 64}," 43 "{Creative Labs,SB AWE 64 Gold}}"); 44 #endif 45 46 #if 0 47 #define SNDRV_DEBUG_IRQ 48 #endif 49 50 #if defined(SNDRV_SBAWE) && IS_ENABLED(CONFIG_SND_SEQUENCER) 51 #define SNDRV_SBAWE_EMU8000 52 #endif 53 54 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ 55 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ 56 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP; /* Enable this card */ 57 #ifdef CONFIG_PNP 58 static bool isapnp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1}; 59 #endif 60 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x240,0x260,0x280 */ 61 static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x330,0x300 */ 62 static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; 63 #ifdef SNDRV_SBAWE_EMU8000 64 static long awe_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; 65 #endif 66 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */ 67 static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3 */ 68 static int dma16[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 5,6,7 */ 69 static int mic_agc[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1}; 70 #ifdef CONFIG_SND_SB16_CSP 71 static int csp[SNDRV_CARDS]; 72 #endif 73 #ifdef SNDRV_SBAWE_EMU8000 74 static int seq_ports[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 4}; 75 #endif 76 77 module_param_array(index, int, NULL, 0444); 78 MODULE_PARM_DESC(index, "Index value for SoundBlaster 16 soundcard."); 79 module_param_array(id, charp, NULL, 0444); 80 MODULE_PARM_DESC(id, "ID string for SoundBlaster 16 soundcard."); 81 module_param_array(enable, bool, NULL, 0444); 82 MODULE_PARM_DESC(enable, "Enable SoundBlaster 16 soundcard."); 83 #ifdef CONFIG_PNP 84 module_param_array(isapnp, bool, NULL, 0444); 85 MODULE_PARM_DESC(isapnp, "PnP detection for specified soundcard."); 86 #endif 87 module_param_hw_array(port, long, ioport, NULL, 0444); 88 MODULE_PARM_DESC(port, "Port # for SB16 driver."); 89 module_param_hw_array(mpu_port, long, ioport, NULL, 0444); 90 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for SB16 driver."); 91 module_param_hw_array(fm_port, long, ioport, NULL, 0444); 92 MODULE_PARM_DESC(fm_port, "FM port # for SB16 PnP driver."); 93 #ifdef SNDRV_SBAWE_EMU8000 94 module_param_hw_array(awe_port, long, ioport, NULL, 0444); 95 MODULE_PARM_DESC(awe_port, "AWE port # for SB16 PnP driver."); 96 #endif 97 module_param_hw_array(irq, int, irq, NULL, 0444); 98 MODULE_PARM_DESC(irq, "IRQ # for SB16 driver."); 99 module_param_hw_array(dma8, int, dma, NULL, 0444); 100 MODULE_PARM_DESC(dma8, "8-bit DMA # for SB16 driver."); 101 module_param_hw_array(dma16, int, dma, NULL, 0444); 102 MODULE_PARM_DESC(dma16, "16-bit DMA # for SB16 driver."); 103 module_param_array(mic_agc, int, NULL, 0444); 104 MODULE_PARM_DESC(mic_agc, "Mic Auto-Gain-Control switch."); 105 #ifdef CONFIG_SND_SB16_CSP 106 module_param_array(csp, int, NULL, 0444); 107 MODULE_PARM_DESC(csp, "ASP/CSP chip support."); 108 #endif 109 #ifdef SNDRV_SBAWE_EMU8000 110 module_param_array(seq_ports, int, NULL, 0444); 111 MODULE_PARM_DESC(seq_ports, "Number of sequencer ports for WaveTable synth."); 112 #endif 113 114 #ifdef CONFIG_PNP 115 static int isa_registered; 116 static int pnp_registered; 117 #endif 118 119 struct snd_card_sb16 { 120 struct resource *fm_res; /* used to block FM i/o region for legacy cards */ 121 struct snd_sb *chip; 122 #ifdef CONFIG_PNP 123 int dev_no; 124 struct pnp_dev *dev; 125 #ifdef SNDRV_SBAWE_EMU8000 126 struct pnp_dev *devwt; 127 #endif 128 #endif 129 }; 130 131 #ifdef CONFIG_PNP 132 133 static const struct pnp_card_device_id snd_sb16_pnpids[] = { 134 #ifndef SNDRV_SBAWE 135 /* Sound Blaster 16 PnP */ 136 { .id = "CTL0024", .devs = { { "CTL0031" } } }, 137 /* Sound Blaster 16 PnP */ 138 { .id = "CTL0025", .devs = { { "CTL0031" } } }, 139 /* Sound Blaster 16 PnP */ 140 { .id = "CTL0026", .devs = { { "CTL0031" } } }, 141 /* Sound Blaster 16 PnP */ 142 { .id = "CTL0027", .devs = { { "CTL0031" } } }, 143 /* Sound Blaster 16 PnP */ 144 { .id = "CTL0028", .devs = { { "CTL0031" } } }, 145 /* Sound Blaster 16 PnP */ 146 { .id = "CTL0029", .devs = { { "CTL0031" } } }, 147 /* Sound Blaster 16 PnP */ 148 { .id = "CTL002a", .devs = { { "CTL0031" } } }, 149 /* Sound Blaster 16 PnP */ 150 /* Note: This card has also a CTL0051:StereoEnhance device!!! */ 151 { .id = "CTL002b", .devs = { { "CTL0031" } } }, 152 /* Sound Blaster 16 PnP */ 153 { .id = "CTL002c", .devs = { { "CTL0031" } } }, 154 /* Sound Blaster Vibra16S */ 155 { .id = "CTL0051", .devs = { { "CTL0001" } } }, 156 /* Sound Blaster Vibra16C */ 157 { .id = "CTL0070", .devs = { { "CTL0001" } } }, 158 /* Sound Blaster Vibra16CL - added by ctm@ardi.com */ 159 { .id = "CTL0080", .devs = { { "CTL0041" } } }, 160 /* Sound Blaster 16 'value' PnP. It says model ct4130 on the pcb, */ 161 /* but ct4131 on a sticker on the board.. */ 162 { .id = "CTL0086", .devs = { { "CTL0041" } } }, 163 /* Sound Blaster Vibra16X */ 164 { .id = "CTL00f0", .devs = { { "CTL0043" } } }, 165 /* Sound Blaster 16 (Virtual PC 2004) */ 166 { .id = "tBA03b0", .devs = { {.id="PNPb003" } } }, 167 #else /* SNDRV_SBAWE defined */ 168 /* Sound Blaster AWE 32 PnP */ 169 { .id = "CTL0035", .devs = { { "CTL0031" }, { "CTL0021" } } }, 170 /* Sound Blaster AWE 32 PnP */ 171 { .id = "CTL0039", .devs = { { "CTL0031" }, { "CTL0021" } } }, 172 /* Sound Blaster AWE 32 PnP */ 173 { .id = "CTL0042", .devs = { { "CTL0031" }, { "CTL0021" } } }, 174 /* Sound Blaster AWE 32 PnP */ 175 { .id = "CTL0043", .devs = { { "CTL0031" }, { "CTL0021" } } }, 176 /* Sound Blaster AWE 32 PnP */ 177 /* Note: This card has also a CTL0051:StereoEnhance device!!! */ 178 { .id = "CTL0044", .devs = { { "CTL0031" }, { "CTL0021" } } }, 179 /* Sound Blaster AWE 32 PnP */ 180 /* Note: This card has also a CTL0051:StereoEnhance device!!! */ 181 { .id = "CTL0045", .devs = { { "CTL0031" }, { "CTL0021" } } }, 182 /* Sound Blaster AWE 32 PnP */ 183 { .id = "CTL0046", .devs = { { "CTL0031" }, { "CTL0021" } } }, 184 /* Sound Blaster AWE 32 PnP */ 185 { .id = "CTL0047", .devs = { { "CTL0031" }, { "CTL0021" } } }, 186 /* Sound Blaster AWE 32 PnP */ 187 { .id = "CTL0048", .devs = { { "CTL0031" }, { "CTL0021" } } }, 188 /* Sound Blaster AWE 32 PnP */ 189 { .id = "CTL0054", .devs = { { "CTL0031" }, { "CTL0021" } } }, 190 /* Sound Blaster AWE 32 PnP */ 191 { .id = "CTL009a", .devs = { { "CTL0041" }, { "CTL0021" } } }, 192 /* Sound Blaster AWE 32 PnP */ 193 { .id = "CTL009c", .devs = { { "CTL0041" }, { "CTL0021" } } }, 194 /* Sound Blaster 32 PnP */ 195 { .id = "CTL009f", .devs = { { "CTL0041" }, { "CTL0021" } } }, 196 /* Sound Blaster AWE 64 PnP */ 197 { .id = "CTL009d", .devs = { { "CTL0042" }, { "CTL0022" } } }, 198 /* Sound Blaster AWE 64 PnP Gold */ 199 { .id = "CTL009e", .devs = { { "CTL0044" }, { "CTL0023" } } }, 200 /* Sound Blaster AWE 64 PnP Gold */ 201 { .id = "CTL00b2", .devs = { { "CTL0044" }, { "CTL0023" } } }, 202 /* Sound Blaster AWE 64 PnP */ 203 { .id = "CTL00c1", .devs = { { "CTL0042" }, { "CTL0022" } } }, 204 /* Sound Blaster AWE 64 PnP */ 205 { .id = "CTL00c3", .devs = { { "CTL0045" }, { "CTL0022" } } }, 206 /* Sound Blaster AWE 64 PnP */ 207 { .id = "CTL00c5", .devs = { { "CTL0045" }, { "CTL0022" } } }, 208 /* Sound Blaster AWE 64 PnP */ 209 { .id = "CTL00c7", .devs = { { "CTL0045" }, { "CTL0022" } } }, 210 /* Sound Blaster AWE 64 PnP */ 211 { .id = "CTL00e4", .devs = { { "CTL0045" }, { "CTL0022" } } }, 212 /* Sound Blaster AWE 64 PnP */ 213 { .id = "CTL00e9", .devs = { { "CTL0045" }, { "CTL0022" } } }, 214 /* Sound Blaster 16 PnP (AWE) */ 215 { .id = "CTL00ed", .devs = { { "CTL0041" }, { "CTL0070" } } }, 216 /* Generic entries */ 217 { .id = "CTLXXXX" , .devs = { { "CTL0031" }, { "CTL0021" } } }, 218 { .id = "CTLXXXX" , .devs = { { "CTL0041" }, { "CTL0021" } } }, 219 { .id = "CTLXXXX" , .devs = { { "CTL0042" }, { "CTL0022" } } }, 220 { .id = "CTLXXXX" , .devs = { { "CTL0044" }, { "CTL0023" } } }, 221 { .id = "CTLXXXX" , .devs = { { "CTL0045" }, { "CTL0022" } } }, 222 #endif /* SNDRV_SBAWE */ 223 { .id = "", } 224 }; 225 226 MODULE_DEVICE_TABLE(pnp_card, snd_sb16_pnpids); 227 228 #endif /* CONFIG_PNP */ 229 230 #ifdef SNDRV_SBAWE_EMU8000 231 #define DRIVER_NAME "snd-card-sbawe" 232 #else 233 #define DRIVER_NAME "snd-card-sb16" 234 #endif 235 236 #ifdef CONFIG_PNP 237 238 static int snd_card_sb16_pnp(int dev, struct snd_card_sb16 *acard, 239 struct pnp_card_link *card, 240 const struct pnp_card_device_id *id) 241 { 242 struct pnp_dev *pdev; 243 int err; 244 245 acard->dev = pnp_request_card_device(card, id->devs[0].id, NULL); 246 if (acard->dev == NULL) 247 return -ENODEV; 248 249 #ifdef SNDRV_SBAWE_EMU8000 250 acard->devwt = pnp_request_card_device(card, id->devs[1].id, acard->dev); 251 #endif 252 /* Audio initialization */ 253 pdev = acard->dev; 254 255 err = pnp_activate_dev(pdev); 256 if (err < 0) { 257 snd_printk(KERN_ERR PFX "AUDIO pnp configure failure\n"); 258 return err; 259 } 260 port[dev] = pnp_port_start(pdev, 0); 261 mpu_port[dev] = pnp_port_start(pdev, 1); 262 fm_port[dev] = pnp_port_start(pdev, 2); 263 dma8[dev] = pnp_dma(pdev, 0); 264 dma16[dev] = pnp_dma(pdev, 1); 265 irq[dev] = pnp_irq(pdev, 0); 266 snd_printdd("pnp SB16: port=0x%lx, mpu port=0x%lx, fm port=0x%lx\n", 267 port[dev], mpu_port[dev], fm_port[dev]); 268 snd_printdd("pnp SB16: dma1=%i, dma2=%i, irq=%i\n", 269 dma8[dev], dma16[dev], irq[dev]); 270 #ifdef SNDRV_SBAWE_EMU8000 271 /* WaveTable initialization */ 272 pdev = acard->devwt; 273 if (pdev != NULL) { 274 err = pnp_activate_dev(pdev); 275 if (err < 0) { 276 goto __wt_error; 277 } 278 awe_port[dev] = pnp_port_start(pdev, 0); 279 snd_printdd("pnp SB16: wavetable port=0x%llx\n", 280 (unsigned long long)pnp_port_start(pdev, 0)); 281 } else { 282 __wt_error: 283 if (pdev) { 284 pnp_release_card_device(pdev); 285 snd_printk(KERN_ERR PFX "WaveTable pnp configure failure\n"); 286 } 287 acard->devwt = NULL; 288 awe_port[dev] = -1; 289 } 290 #endif 291 return 0; 292 } 293 294 #endif /* CONFIG_PNP */ 295 296 static void snd_sb16_free(struct snd_card *card) 297 { 298 struct snd_card_sb16 *acard = card->private_data; 299 300 if (acard == NULL) 301 return; 302 release_and_free_resource(acard->fm_res); 303 } 304 305 #ifdef CONFIG_PNP 306 #define is_isapnp_selected(dev) isapnp[dev] 307 #else 308 #define is_isapnp_selected(dev) 0 309 #endif 310 311 static int snd_sb16_card_new(struct device *devptr, int dev, 312 struct snd_card **cardp) 313 { 314 struct snd_card *card; 315 int err; 316 317 err = snd_card_new(devptr, index[dev], id[dev], THIS_MODULE, 318 sizeof(struct snd_card_sb16), &card); 319 if (err < 0) 320 return err; 321 card->private_free = snd_sb16_free; 322 *cardp = card; 323 return 0; 324 } 325 326 static int snd_sb16_probe(struct snd_card *card, int dev) 327 { 328 int xirq, xdma8, xdma16; 329 struct snd_sb *chip; 330 struct snd_card_sb16 *acard = card->private_data; 331 struct snd_opl3 *opl3; 332 struct snd_hwdep *synth = NULL; 333 #ifdef CONFIG_SND_SB16_CSP 334 struct snd_hwdep *xcsp = NULL; 335 #endif 336 unsigned long flags; 337 int err; 338 339 xirq = irq[dev]; 340 xdma8 = dma8[dev]; 341 xdma16 = dma16[dev]; 342 343 if ((err = snd_sbdsp_create(card, 344 port[dev], 345 xirq, 346 snd_sb16dsp_interrupt, 347 xdma8, 348 xdma16, 349 SB_HW_AUTO, 350 &chip)) < 0) 351 return err; 352 353 acard->chip = chip; 354 if (chip->hardware != SB_HW_16) { 355 snd_printk(KERN_ERR PFX "SB 16 chip was not detected at 0x%lx\n", port[dev]); 356 return -ENODEV; 357 } 358 chip->mpu_port = mpu_port[dev]; 359 if (! is_isapnp_selected(dev) && (err = snd_sb16dsp_configure(chip)) < 0) 360 return err; 361 362 if ((err = snd_sb16dsp_pcm(chip, 0)) < 0) 363 return err; 364 365 strcpy(card->driver, 366 #ifdef SNDRV_SBAWE_EMU8000 367 awe_port[dev] > 0 ? "SB AWE" : 368 #endif 369 "SB16"); 370 strcpy(card->shortname, chip->name); 371 sprintf(card->longname, "%s at 0x%lx, irq %i, dma ", 372 chip->name, 373 chip->port, 374 xirq); 375 if (xdma8 >= 0) 376 sprintf(card->longname + strlen(card->longname), "%d", xdma8); 377 if (xdma16 >= 0) 378 sprintf(card->longname + strlen(card->longname), "%s%d", 379 xdma8 >= 0 ? "&" : "", xdma16); 380 381 if (chip->mpu_port > 0 && chip->mpu_port != SNDRV_AUTO_PORT) { 382 if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_SB, 383 chip->mpu_port, 384 MPU401_INFO_IRQ_HOOK, -1, 385 &chip->rmidi)) < 0) 386 return err; 387 chip->rmidi_callback = snd_mpu401_uart_interrupt; 388 } 389 390 #ifdef SNDRV_SBAWE_EMU8000 391 if (awe_port[dev] == SNDRV_AUTO_PORT) 392 awe_port[dev] = 0; /* disable */ 393 #endif 394 395 if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) { 396 if (snd_opl3_create(card, fm_port[dev], fm_port[dev] + 2, 397 OPL3_HW_OPL3, 398 acard->fm_res != NULL || fm_port[dev] == port[dev], 399 &opl3) < 0) { 400 snd_printk(KERN_ERR PFX "no OPL device at 0x%lx-0x%lx\n", 401 fm_port[dev], fm_port[dev] + 2); 402 } else { 403 #ifdef SNDRV_SBAWE_EMU8000 404 int seqdev = awe_port[dev] > 0 ? 2 : 1; 405 #else 406 int seqdev = 1; 407 #endif 408 if ((err = snd_opl3_hwdep_new(opl3, 0, seqdev, &synth)) < 0) 409 return err; 410 } 411 } 412 413 if ((err = snd_sbmixer_new(chip)) < 0) 414 return err; 415 416 #ifdef CONFIG_SND_SB16_CSP 417 /* CSP chip on SB16ASP/AWE32 */ 418 if ((chip->hardware == SB_HW_16) && csp[dev]) { 419 snd_sb_csp_new(chip, synth != NULL ? 1 : 0, &xcsp); 420 if (xcsp) { 421 chip->csp = xcsp->private_data; 422 chip->hardware = SB_HW_16CSP; 423 } else { 424 snd_printk(KERN_INFO PFX "warning - CSP chip not detected on soundcard #%i\n", dev + 1); 425 } 426 } 427 #endif 428 #ifdef SNDRV_SBAWE_EMU8000 429 if (awe_port[dev] > 0) { 430 if ((err = snd_emu8000_new(card, 1, awe_port[dev], 431 seq_ports[dev], NULL)) < 0) { 432 snd_printk(KERN_ERR PFX "fatal error - EMU-8000 synthesizer not detected at 0x%lx\n", awe_port[dev]); 433 434 return err; 435 } 436 } 437 #endif 438 439 /* setup Mic AGC */ 440 spin_lock_irqsave(&chip->mixer_lock, flags); 441 snd_sbmixer_write(chip, SB_DSP4_MIC_AGC, 442 (snd_sbmixer_read(chip, SB_DSP4_MIC_AGC) & 0x01) | 443 (mic_agc[dev] ? 0x00 : 0x01)); 444 spin_unlock_irqrestore(&chip->mixer_lock, flags); 445 446 if ((err = snd_card_register(card)) < 0) 447 return err; 448 449 return 0; 450 } 451 452 #ifdef CONFIG_PM 453 static int snd_sb16_suspend(struct snd_card *card, pm_message_t state) 454 { 455 struct snd_card_sb16 *acard = card->private_data; 456 struct snd_sb *chip = acard->chip; 457 458 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 459 snd_sbmixer_suspend(chip); 460 return 0; 461 } 462 463 static int snd_sb16_resume(struct snd_card *card) 464 { 465 struct snd_card_sb16 *acard = card->private_data; 466 struct snd_sb *chip = acard->chip; 467 468 snd_sbdsp_reset(chip); 469 snd_sbmixer_resume(chip); 470 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 471 return 0; 472 } 473 #endif 474 475 static int snd_sb16_isa_probe1(int dev, struct device *pdev) 476 { 477 struct snd_card_sb16 *acard; 478 struct snd_card *card; 479 int err; 480 481 err = snd_sb16_card_new(pdev, dev, &card); 482 if (err < 0) 483 return err; 484 485 acard = card->private_data; 486 /* non-PnP FM port address is hardwired with base port address */ 487 fm_port[dev] = port[dev]; 488 /* block the 0x388 port to avoid PnP conflicts */ 489 acard->fm_res = request_region(0x388, 4, "SoundBlaster FM"); 490 #ifdef SNDRV_SBAWE_EMU8000 491 /* non-PnP AWE port address is hardwired with base port address */ 492 awe_port[dev] = port[dev] + 0x400; 493 #endif 494 495 if ((err = snd_sb16_probe(card, dev)) < 0) { 496 snd_card_free(card); 497 return err; 498 } 499 dev_set_drvdata(pdev, card); 500 return 0; 501 } 502 503 504 static int snd_sb16_isa_match(struct device *pdev, unsigned int dev) 505 { 506 return enable[dev] && !is_isapnp_selected(dev); 507 } 508 509 static int snd_sb16_isa_probe(struct device *pdev, unsigned int dev) 510 { 511 int err; 512 static const int possible_irqs[] = {5, 9, 10, 7, -1}; 513 static const int possible_dmas8[] = {1, 3, 0, -1}; 514 static const int possible_dmas16[] = {5, 6, 7, -1}; 515 516 if (irq[dev] == SNDRV_AUTO_IRQ) { 517 if ((irq[dev] = snd_legacy_find_free_irq(possible_irqs)) < 0) { 518 snd_printk(KERN_ERR PFX "unable to find a free IRQ\n"); 519 return -EBUSY; 520 } 521 } 522 if (dma8[dev] == SNDRV_AUTO_DMA) { 523 if ((dma8[dev] = snd_legacy_find_free_dma(possible_dmas8)) < 0) { 524 snd_printk(KERN_ERR PFX "unable to find a free 8-bit DMA\n"); 525 return -EBUSY; 526 } 527 } 528 if (dma16[dev] == SNDRV_AUTO_DMA) { 529 if ((dma16[dev] = snd_legacy_find_free_dma(possible_dmas16)) < 0) { 530 snd_printk(KERN_ERR PFX "unable to find a free 16-bit DMA\n"); 531 return -EBUSY; 532 } 533 } 534 535 if (port[dev] != SNDRV_AUTO_PORT) 536 return snd_sb16_isa_probe1(dev, pdev); 537 else { 538 static const int possible_ports[] = {0x220, 0x240, 0x260, 0x280}; 539 int i; 540 for (i = 0; i < ARRAY_SIZE(possible_ports); i++) { 541 port[dev] = possible_ports[i]; 542 err = snd_sb16_isa_probe1(dev, pdev); 543 if (! err) 544 return 0; 545 } 546 return err; 547 } 548 } 549 550 static int snd_sb16_isa_remove(struct device *pdev, unsigned int dev) 551 { 552 snd_card_free(dev_get_drvdata(pdev)); 553 return 0; 554 } 555 556 #ifdef CONFIG_PM 557 static int snd_sb16_isa_suspend(struct device *dev, unsigned int n, 558 pm_message_t state) 559 { 560 return snd_sb16_suspend(dev_get_drvdata(dev), state); 561 } 562 563 static int snd_sb16_isa_resume(struct device *dev, unsigned int n) 564 { 565 return snd_sb16_resume(dev_get_drvdata(dev)); 566 } 567 #endif 568 569 #ifdef SNDRV_SBAWE 570 #define DEV_NAME "sbawe" 571 #else 572 #define DEV_NAME "sb16" 573 #endif 574 575 static struct isa_driver snd_sb16_isa_driver = { 576 .match = snd_sb16_isa_match, 577 .probe = snd_sb16_isa_probe, 578 .remove = snd_sb16_isa_remove, 579 #ifdef CONFIG_PM 580 .suspend = snd_sb16_isa_suspend, 581 .resume = snd_sb16_isa_resume, 582 #endif 583 .driver = { 584 .name = DEV_NAME 585 }, 586 }; 587 588 589 #ifdef CONFIG_PNP 590 static int snd_sb16_pnp_detect(struct pnp_card_link *pcard, 591 const struct pnp_card_device_id *pid) 592 { 593 static int dev; 594 struct snd_card *card; 595 int res; 596 597 for ( ; dev < SNDRV_CARDS; dev++) { 598 if (!enable[dev] || !isapnp[dev]) 599 continue; 600 res = snd_sb16_card_new(&pcard->card->dev, dev, &card); 601 if (res < 0) 602 return res; 603 if ((res = snd_card_sb16_pnp(dev, card->private_data, pcard, pid)) < 0 || 604 (res = snd_sb16_probe(card, dev)) < 0) { 605 snd_card_free(card); 606 return res; 607 } 608 pnp_set_card_drvdata(pcard, card); 609 dev++; 610 return 0; 611 } 612 613 return -ENODEV; 614 } 615 616 static void snd_sb16_pnp_remove(struct pnp_card_link *pcard) 617 { 618 snd_card_free(pnp_get_card_drvdata(pcard)); 619 pnp_set_card_drvdata(pcard, NULL); 620 } 621 622 #ifdef CONFIG_PM 623 static int snd_sb16_pnp_suspend(struct pnp_card_link *pcard, pm_message_t state) 624 { 625 return snd_sb16_suspend(pnp_get_card_drvdata(pcard), state); 626 } 627 static int snd_sb16_pnp_resume(struct pnp_card_link *pcard) 628 { 629 return snd_sb16_resume(pnp_get_card_drvdata(pcard)); 630 } 631 #endif 632 633 static struct pnp_card_driver sb16_pnpc_driver = { 634 .flags = PNP_DRIVER_RES_DISABLE, 635 #ifdef SNDRV_SBAWE 636 .name = "sbawe", 637 #else 638 .name = "sb16", 639 #endif 640 .id_table = snd_sb16_pnpids, 641 .probe = snd_sb16_pnp_detect, 642 .remove = snd_sb16_pnp_remove, 643 #ifdef CONFIG_PM 644 .suspend = snd_sb16_pnp_suspend, 645 .resume = snd_sb16_pnp_resume, 646 #endif 647 }; 648 649 #endif /* CONFIG_PNP */ 650 651 static int __init alsa_card_sb16_init(void) 652 { 653 int err; 654 655 err = isa_register_driver(&snd_sb16_isa_driver, SNDRV_CARDS); 656 #ifdef CONFIG_PNP 657 if (!err) 658 isa_registered = 1; 659 660 err = pnp_register_card_driver(&sb16_pnpc_driver); 661 if (!err) 662 pnp_registered = 1; 663 664 if (isa_registered) 665 err = 0; 666 #endif 667 return err; 668 } 669 670 static void __exit alsa_card_sb16_exit(void) 671 { 672 #ifdef CONFIG_PNP 673 if (pnp_registered) 674 pnp_unregister_card_driver(&sb16_pnpc_driver); 675 if (isa_registered) 676 #endif 677 isa_unregister_driver(&snd_sb16_isa_driver); 678 } 679 680 module_init(alsa_card_sb16_init) 681 module_exit(alsa_card_sb16_exit) 682