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 #else 35 MODULE_DESCRIPTION("Sound Blaster AWE"); 36 #endif 37 38 #if 0 39 #define SNDRV_DEBUG_IRQ 40 #endif 41 42 #if defined(SNDRV_SBAWE) && IS_ENABLED(CONFIG_SND_SEQUENCER) 43 #define SNDRV_SBAWE_EMU8000 44 #endif 45 46 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ 47 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ 48 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP; /* Enable this card */ 49 #ifdef CONFIG_PNP 50 static bool isapnp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1}; 51 #endif 52 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x240,0x260,0x280 */ 53 static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x330,0x300 */ 54 static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; 55 #ifdef SNDRV_SBAWE_EMU8000 56 static long awe_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; 57 #endif 58 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */ 59 static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3 */ 60 static int dma16[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 5,6,7 */ 61 static int mic_agc[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1}; 62 #ifdef CONFIG_SND_SB16_CSP 63 static int csp[SNDRV_CARDS]; 64 #endif 65 #ifdef SNDRV_SBAWE_EMU8000 66 static int seq_ports[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 4}; 67 #endif 68 69 module_param_array(index, int, NULL, 0444); 70 MODULE_PARM_DESC(index, "Index value for SoundBlaster 16 soundcard."); 71 module_param_array(id, charp, NULL, 0444); 72 MODULE_PARM_DESC(id, "ID string for SoundBlaster 16 soundcard."); 73 module_param_array(enable, bool, NULL, 0444); 74 MODULE_PARM_DESC(enable, "Enable SoundBlaster 16 soundcard."); 75 #ifdef CONFIG_PNP 76 module_param_array(isapnp, bool, NULL, 0444); 77 MODULE_PARM_DESC(isapnp, "PnP detection for specified soundcard."); 78 #endif 79 module_param_hw_array(port, long, ioport, NULL, 0444); 80 MODULE_PARM_DESC(port, "Port # for SB16 driver."); 81 module_param_hw_array(mpu_port, long, ioport, NULL, 0444); 82 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for SB16 driver."); 83 module_param_hw_array(fm_port, long, ioport, NULL, 0444); 84 MODULE_PARM_DESC(fm_port, "FM port # for SB16 PnP driver."); 85 #ifdef SNDRV_SBAWE_EMU8000 86 module_param_hw_array(awe_port, long, ioport, NULL, 0444); 87 MODULE_PARM_DESC(awe_port, "AWE port # for SB16 PnP driver."); 88 #endif 89 module_param_hw_array(irq, int, irq, NULL, 0444); 90 MODULE_PARM_DESC(irq, "IRQ # for SB16 driver."); 91 module_param_hw_array(dma8, int, dma, NULL, 0444); 92 MODULE_PARM_DESC(dma8, "8-bit DMA # for SB16 driver."); 93 module_param_hw_array(dma16, int, dma, NULL, 0444); 94 MODULE_PARM_DESC(dma16, "16-bit DMA # for SB16 driver."); 95 module_param_array(mic_agc, int, NULL, 0444); 96 MODULE_PARM_DESC(mic_agc, "Mic Auto-Gain-Control switch."); 97 #ifdef CONFIG_SND_SB16_CSP 98 module_param_array(csp, int, NULL, 0444); 99 MODULE_PARM_DESC(csp, "ASP/CSP chip support."); 100 #endif 101 #ifdef SNDRV_SBAWE_EMU8000 102 module_param_array(seq_ports, int, NULL, 0444); 103 MODULE_PARM_DESC(seq_ports, "Number of sequencer ports for WaveTable synth."); 104 #endif 105 106 #ifdef CONFIG_PNP 107 static int isa_registered; 108 static int pnp_registered; 109 #endif 110 111 struct snd_card_sb16 { 112 struct resource *fm_res; /* used to block FM i/o region for legacy cards */ 113 struct snd_sb *chip; 114 #ifdef CONFIG_PNP 115 int dev_no; 116 struct pnp_dev *dev; 117 #ifdef SNDRV_SBAWE_EMU8000 118 struct pnp_dev *devwt; 119 #endif 120 #endif 121 }; 122 123 #ifdef CONFIG_PNP 124 125 static const struct pnp_card_device_id snd_sb16_pnpids[] = { 126 #ifndef SNDRV_SBAWE 127 /* Sound Blaster 16 PnP */ 128 { .id = "CTL0024", .devs = { { "CTL0031" } } }, 129 /* Sound Blaster 16 PnP */ 130 { .id = "CTL0025", .devs = { { "CTL0031" } } }, 131 /* Sound Blaster 16 PnP */ 132 { .id = "CTL0026", .devs = { { "CTL0031" } } }, 133 /* Sound Blaster 16 PnP */ 134 { .id = "CTL0027", .devs = { { "CTL0031" } } }, 135 /* Sound Blaster 16 PnP */ 136 { .id = "CTL0028", .devs = { { "CTL0031" } } }, 137 /* Sound Blaster 16 PnP */ 138 { .id = "CTL0029", .devs = { { "CTL0031" } } }, 139 /* Sound Blaster 16 PnP */ 140 { .id = "CTL002a", .devs = { { "CTL0031" } } }, 141 /* Sound Blaster 16 PnP */ 142 /* Note: This card has also a CTL0051:StereoEnhance device!!! */ 143 { .id = "CTL002b", .devs = { { "CTL0031" } } }, 144 /* Sound Blaster 16 PnP */ 145 { .id = "CTL002c", .devs = { { "CTL0031" } } }, 146 /* Sound Blaster Vibra16S */ 147 { .id = "CTL0051", .devs = { { "CTL0001" } } }, 148 /* Sound Blaster Vibra16C */ 149 { .id = "CTL0070", .devs = { { "CTL0001" } } }, 150 /* Sound Blaster Vibra16CL - added by ctm@ardi.com */ 151 { .id = "CTL0080", .devs = { { "CTL0041" } } }, 152 /* Sound Blaster 16 'value' PnP. It says model ct4130 on the pcb, */ 153 /* but ct4131 on a sticker on the board.. */ 154 { .id = "CTL0086", .devs = { { "CTL0041" } } }, 155 /* Sound Blaster Vibra16X */ 156 { .id = "CTL00f0", .devs = { { "CTL0043" } } }, 157 /* Sound Blaster 16 (Virtual PC 2004) */ 158 { .id = "tBA03b0", .devs = { {.id="PNPb003" } } }, 159 #else /* SNDRV_SBAWE defined */ 160 /* Sound Blaster AWE 32 PnP */ 161 { .id = "CTL0035", .devs = { { "CTL0031" }, { "CTL0021" } } }, 162 /* Sound Blaster AWE 32 PnP */ 163 { .id = "CTL0039", .devs = { { "CTL0031" }, { "CTL0021" } } }, 164 /* Sound Blaster AWE 32 PnP */ 165 { .id = "CTL0042", .devs = { { "CTL0031" }, { "CTL0021" } } }, 166 /* Sound Blaster AWE 32 PnP */ 167 { .id = "CTL0043", .devs = { { "CTL0031" }, { "CTL0021" } } }, 168 /* Sound Blaster AWE 32 PnP */ 169 /* Note: This card has also a CTL0051:StereoEnhance device!!! */ 170 { .id = "CTL0044", .devs = { { "CTL0031" }, { "CTL0021" } } }, 171 /* Sound Blaster AWE 32 PnP */ 172 /* Note: This card has also a CTL0051:StereoEnhance device!!! */ 173 { .id = "CTL0045", .devs = { { "CTL0031" }, { "CTL0021" } } }, 174 /* Sound Blaster AWE 32 PnP */ 175 { .id = "CTL0046", .devs = { { "CTL0031" }, { "CTL0021" } } }, 176 /* Sound Blaster AWE 32 PnP */ 177 { .id = "CTL0047", .devs = { { "CTL0031" }, { "CTL0021" } } }, 178 /* Sound Blaster AWE 32 PnP */ 179 { .id = "CTL0048", .devs = { { "CTL0031" }, { "CTL0021" } } }, 180 /* Sound Blaster AWE 32 PnP */ 181 { .id = "CTL0054", .devs = { { "CTL0031" }, { "CTL0021" } } }, 182 /* Sound Blaster AWE 32 PnP */ 183 { .id = "CTL009a", .devs = { { "CTL0041" }, { "CTL0021" } } }, 184 /* Sound Blaster AWE 32 PnP */ 185 { .id = "CTL009c", .devs = { { "CTL0041" }, { "CTL0021" } } }, 186 /* Sound Blaster 32 PnP */ 187 { .id = "CTL009f", .devs = { { "CTL0041" }, { "CTL0021" } } }, 188 /* Sound Blaster AWE 64 PnP */ 189 { .id = "CTL009d", .devs = { { "CTL0042" }, { "CTL0022" } } }, 190 /* Sound Blaster AWE 64 PnP Gold */ 191 { .id = "CTL009e", .devs = { { "CTL0044" }, { "CTL0023" } } }, 192 /* Sound Blaster AWE 64 PnP Gold */ 193 { .id = "CTL00b2", .devs = { { "CTL0044" }, { "CTL0023" } } }, 194 /* Sound Blaster AWE 64 PnP */ 195 { .id = "CTL00c1", .devs = { { "CTL0042" }, { "CTL0022" } } }, 196 /* Sound Blaster AWE 64 PnP */ 197 { .id = "CTL00c3", .devs = { { "CTL0045" }, { "CTL0022" } } }, 198 /* Sound Blaster AWE 64 PnP */ 199 { .id = "CTL00c5", .devs = { { "CTL0045" }, { "CTL0022" } } }, 200 /* Sound Blaster AWE 64 PnP */ 201 { .id = "CTL00c7", .devs = { { "CTL0045" }, { "CTL0022" } } }, 202 /* Sound Blaster AWE 64 PnP */ 203 { .id = "CTL00e4", .devs = { { "CTL0045" }, { "CTL0022" } } }, 204 /* Sound Blaster AWE 64 PnP */ 205 { .id = "CTL00e9", .devs = { { "CTL0045" }, { "CTL0022" } } }, 206 /* Sound Blaster 16 PnP (AWE) */ 207 { .id = "CTL00ed", .devs = { { "CTL0041" }, { "CTL0070" } } }, 208 /* Generic entries */ 209 { .id = "CTLXXXX" , .devs = { { "CTL0031" }, { "CTL0021" } } }, 210 { .id = "CTLXXXX" , .devs = { { "CTL0041" }, { "CTL0021" } } }, 211 { .id = "CTLXXXX" , .devs = { { "CTL0042" }, { "CTL0022" } } }, 212 { .id = "CTLXXXX" , .devs = { { "CTL0044" }, { "CTL0023" } } }, 213 { .id = "CTLXXXX" , .devs = { { "CTL0045" }, { "CTL0022" } } }, 214 #endif /* SNDRV_SBAWE */ 215 { .id = "", } 216 }; 217 218 MODULE_DEVICE_TABLE(pnp_card, snd_sb16_pnpids); 219 220 #endif /* CONFIG_PNP */ 221 222 #ifdef SNDRV_SBAWE_EMU8000 223 #define DRIVER_NAME "snd-card-sbawe" 224 #else 225 #define DRIVER_NAME "snd-card-sb16" 226 #endif 227 228 #ifdef CONFIG_PNP 229 230 static int snd_card_sb16_pnp(int dev, struct snd_card_sb16 *acard, 231 struct pnp_card_link *card, 232 const struct pnp_card_device_id *id) 233 { 234 struct pnp_dev *pdev; 235 int err; 236 237 acard->dev = pnp_request_card_device(card, id->devs[0].id, NULL); 238 if (acard->dev == NULL) 239 return -ENODEV; 240 241 #ifdef SNDRV_SBAWE_EMU8000 242 acard->devwt = pnp_request_card_device(card, id->devs[1].id, acard->dev); 243 #endif 244 /* Audio initialization */ 245 pdev = acard->dev; 246 247 err = pnp_activate_dev(pdev); 248 if (err < 0) { 249 snd_printk(KERN_ERR PFX "AUDIO pnp configure failure\n"); 250 return err; 251 } 252 port[dev] = pnp_port_start(pdev, 0); 253 mpu_port[dev] = pnp_port_start(pdev, 1); 254 fm_port[dev] = pnp_port_start(pdev, 2); 255 dma8[dev] = pnp_dma(pdev, 0); 256 dma16[dev] = pnp_dma(pdev, 1); 257 irq[dev] = pnp_irq(pdev, 0); 258 snd_printdd("pnp SB16: port=0x%lx, mpu port=0x%lx, fm port=0x%lx\n", 259 port[dev], mpu_port[dev], fm_port[dev]); 260 snd_printdd("pnp SB16: dma1=%i, dma2=%i, irq=%i\n", 261 dma8[dev], dma16[dev], irq[dev]); 262 #ifdef SNDRV_SBAWE_EMU8000 263 /* WaveTable initialization */ 264 pdev = acard->devwt; 265 if (pdev != NULL) { 266 err = pnp_activate_dev(pdev); 267 if (err < 0) { 268 goto __wt_error; 269 } 270 awe_port[dev] = pnp_port_start(pdev, 0); 271 snd_printdd("pnp SB16: wavetable port=0x%llx\n", 272 (unsigned long long)pnp_port_start(pdev, 0)); 273 } else { 274 __wt_error: 275 if (pdev) { 276 pnp_release_card_device(pdev); 277 snd_printk(KERN_ERR PFX "WaveTable pnp configure failure\n"); 278 } 279 acard->devwt = NULL; 280 awe_port[dev] = -1; 281 } 282 #endif 283 return 0; 284 } 285 286 #endif /* CONFIG_PNP */ 287 288 static void snd_sb16_free(struct snd_card *card) 289 { 290 struct snd_card_sb16 *acard = card->private_data; 291 292 if (acard == NULL) 293 return; 294 release_and_free_resource(acard->fm_res); 295 } 296 297 #ifdef CONFIG_PNP 298 #define is_isapnp_selected(dev) isapnp[dev] 299 #else 300 #define is_isapnp_selected(dev) 0 301 #endif 302 303 static int snd_sb16_card_new(struct device *devptr, int dev, 304 struct snd_card **cardp) 305 { 306 struct snd_card *card; 307 int err; 308 309 err = snd_card_new(devptr, index[dev], id[dev], THIS_MODULE, 310 sizeof(struct snd_card_sb16), &card); 311 if (err < 0) 312 return err; 313 card->private_free = snd_sb16_free; 314 *cardp = card; 315 return 0; 316 } 317 318 static int snd_sb16_probe(struct snd_card *card, int dev) 319 { 320 int xirq, xdma8, xdma16; 321 struct snd_sb *chip; 322 struct snd_card_sb16 *acard = card->private_data; 323 struct snd_opl3 *opl3; 324 struct snd_hwdep *synth = NULL; 325 #ifdef CONFIG_SND_SB16_CSP 326 struct snd_hwdep *xcsp = NULL; 327 #endif 328 unsigned long flags; 329 int err; 330 331 xirq = irq[dev]; 332 xdma8 = dma8[dev]; 333 xdma16 = dma16[dev]; 334 335 err = snd_sbdsp_create(card, port[dev], xirq, snd_sb16dsp_interrupt, 336 xdma8, xdma16, SB_HW_AUTO, &chip); 337 if (err < 0) 338 return err; 339 340 acard->chip = chip; 341 if (chip->hardware != SB_HW_16) { 342 snd_printk(KERN_ERR PFX "SB 16 chip was not detected at 0x%lx\n", port[dev]); 343 return -ENODEV; 344 } 345 chip->mpu_port = mpu_port[dev]; 346 if (!is_isapnp_selected(dev)) { 347 err = snd_sb16dsp_configure(chip); 348 if (err < 0) 349 return err; 350 } 351 352 err = snd_sb16dsp_pcm(chip, 0); 353 if (err < 0) 354 return err; 355 356 strcpy(card->driver, 357 #ifdef SNDRV_SBAWE_EMU8000 358 awe_port[dev] > 0 ? "SB AWE" : 359 #endif 360 "SB16"); 361 strcpy(card->shortname, chip->name); 362 sprintf(card->longname, "%s at 0x%lx, irq %i, dma ", 363 chip->name, 364 chip->port, 365 xirq); 366 if (xdma8 >= 0) 367 sprintf(card->longname + strlen(card->longname), "%d", xdma8); 368 if (xdma16 >= 0) 369 sprintf(card->longname + strlen(card->longname), "%s%d", 370 xdma8 >= 0 ? "&" : "", xdma16); 371 372 if (chip->mpu_port > 0 && chip->mpu_port != SNDRV_AUTO_PORT) { 373 err = snd_mpu401_uart_new(card, 0, MPU401_HW_SB, 374 chip->mpu_port, 375 MPU401_INFO_IRQ_HOOK, -1, 376 &chip->rmidi); 377 if (err < 0) 378 return err; 379 chip->rmidi_callback = snd_mpu401_uart_interrupt; 380 } 381 382 #ifdef SNDRV_SBAWE_EMU8000 383 if (awe_port[dev] == SNDRV_AUTO_PORT) 384 awe_port[dev] = 0; /* disable */ 385 #endif 386 387 if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) { 388 if (snd_opl3_create(card, fm_port[dev], fm_port[dev] + 2, 389 OPL3_HW_OPL3, 390 acard->fm_res != NULL || fm_port[dev] == port[dev], 391 &opl3) < 0) { 392 snd_printk(KERN_ERR PFX "no OPL device at 0x%lx-0x%lx\n", 393 fm_port[dev], fm_port[dev] + 2); 394 } else { 395 #ifdef SNDRV_SBAWE_EMU8000 396 int seqdev = awe_port[dev] > 0 ? 2 : 1; 397 #else 398 int seqdev = 1; 399 #endif 400 err = snd_opl3_hwdep_new(opl3, 0, seqdev, &synth); 401 if (err < 0) 402 return err; 403 } 404 } 405 406 err = snd_sbmixer_new(chip); 407 if (err < 0) 408 return err; 409 410 #ifdef CONFIG_SND_SB16_CSP 411 /* CSP chip on SB16ASP/AWE32 */ 412 if ((chip->hardware == SB_HW_16) && csp[dev]) { 413 snd_sb_csp_new(chip, synth != NULL ? 1 : 0, &xcsp); 414 if (xcsp) { 415 chip->csp = xcsp->private_data; 416 chip->hardware = SB_HW_16CSP; 417 } else { 418 snd_printk(KERN_INFO PFX "warning - CSP chip not detected on soundcard #%i\n", dev + 1); 419 } 420 } 421 #endif 422 #ifdef SNDRV_SBAWE_EMU8000 423 if (awe_port[dev] > 0) { 424 err = snd_emu8000_new(card, 1, awe_port[dev], 425 seq_ports[dev], NULL); 426 if (err < 0) { 427 snd_printk(KERN_ERR PFX "fatal error - EMU-8000 synthesizer not detected at 0x%lx\n", awe_port[dev]); 428 429 return err; 430 } 431 } 432 #endif 433 434 /* setup Mic AGC */ 435 spin_lock_irqsave(&chip->mixer_lock, flags); 436 snd_sbmixer_write(chip, SB_DSP4_MIC_AGC, 437 (snd_sbmixer_read(chip, SB_DSP4_MIC_AGC) & 0x01) | 438 (mic_agc[dev] ? 0x00 : 0x01)); 439 spin_unlock_irqrestore(&chip->mixer_lock, flags); 440 441 err = snd_card_register(card); 442 if (err < 0) 443 return err; 444 445 return 0; 446 } 447 448 #ifdef CONFIG_PM 449 static int snd_sb16_suspend(struct snd_card *card, pm_message_t state) 450 { 451 struct snd_card_sb16 *acard = card->private_data; 452 struct snd_sb *chip = acard->chip; 453 454 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 455 snd_sbmixer_suspend(chip); 456 return 0; 457 } 458 459 static int snd_sb16_resume(struct snd_card *card) 460 { 461 struct snd_card_sb16 *acard = card->private_data; 462 struct snd_sb *chip = acard->chip; 463 464 snd_sbdsp_reset(chip); 465 snd_sbmixer_resume(chip); 466 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 467 return 0; 468 } 469 #endif 470 471 static int snd_sb16_isa_probe1(int dev, struct device *pdev) 472 { 473 struct snd_card_sb16 *acard; 474 struct snd_card *card; 475 int err; 476 477 err = snd_sb16_card_new(pdev, dev, &card); 478 if (err < 0) 479 return err; 480 481 acard = card->private_data; 482 /* non-PnP FM port address is hardwired with base port address */ 483 fm_port[dev] = port[dev]; 484 /* block the 0x388 port to avoid PnP conflicts */ 485 acard->fm_res = request_region(0x388, 4, "SoundBlaster FM"); 486 #ifdef SNDRV_SBAWE_EMU8000 487 /* non-PnP AWE port address is hardwired with base port address */ 488 awe_port[dev] = port[dev] + 0x400; 489 #endif 490 491 err = snd_sb16_probe(card, dev); 492 if (err < 0) { 493 snd_card_free(card); 494 return err; 495 } 496 dev_set_drvdata(pdev, card); 497 return 0; 498 } 499 500 501 static int snd_sb16_isa_match(struct device *pdev, unsigned int dev) 502 { 503 return enable[dev] && !is_isapnp_selected(dev); 504 } 505 506 static int snd_sb16_isa_probe(struct device *pdev, unsigned int dev) 507 { 508 int err; 509 static const int possible_irqs[] = {5, 9, 10, 7, -1}; 510 static const int possible_dmas8[] = {1, 3, 0, -1}; 511 static const int possible_dmas16[] = {5, 6, 7, -1}; 512 513 if (irq[dev] == SNDRV_AUTO_IRQ) { 514 irq[dev] = snd_legacy_find_free_irq(possible_irqs); 515 if (irq[dev] < 0) { 516 snd_printk(KERN_ERR PFX "unable to find a free IRQ\n"); 517 return -EBUSY; 518 } 519 } 520 if (dma8[dev] == SNDRV_AUTO_DMA) { 521 dma8[dev] = snd_legacy_find_free_dma(possible_dmas8); 522 if (dma8[dev] < 0) { 523 snd_printk(KERN_ERR PFX "unable to find a free 8-bit DMA\n"); 524 return -EBUSY; 525 } 526 } 527 if (dma16[dev] == SNDRV_AUTO_DMA) { 528 dma16[dev] = snd_legacy_find_free_dma(possible_dmas16); 529 if (dma16[dev] < 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 void snd_sb16_isa_remove(struct device *pdev, unsigned int dev) 551 { 552 snd_card_free(dev_get_drvdata(pdev)); 553 } 554 555 #ifdef CONFIG_PM 556 static int snd_sb16_isa_suspend(struct device *dev, unsigned int n, 557 pm_message_t state) 558 { 559 return snd_sb16_suspend(dev_get_drvdata(dev), state); 560 } 561 562 static int snd_sb16_isa_resume(struct device *dev, unsigned int n) 563 { 564 return snd_sb16_resume(dev_get_drvdata(dev)); 565 } 566 #endif 567 568 #ifdef SNDRV_SBAWE 569 #define DEV_NAME "sbawe" 570 #else 571 #define DEV_NAME "sb16" 572 #endif 573 574 static struct isa_driver snd_sb16_isa_driver = { 575 .match = snd_sb16_isa_match, 576 .probe = snd_sb16_isa_probe, 577 .remove = snd_sb16_isa_remove, 578 #ifdef CONFIG_PM 579 .suspend = snd_sb16_isa_suspend, 580 .resume = snd_sb16_isa_resume, 581 #endif 582 .driver = { 583 .name = DEV_NAME 584 }, 585 }; 586 587 588 #ifdef CONFIG_PNP 589 static int snd_sb16_pnp_detect(struct pnp_card_link *pcard, 590 const struct pnp_card_device_id *pid) 591 { 592 static int dev; 593 struct snd_card *card; 594 int res; 595 596 for ( ; dev < SNDRV_CARDS; dev++) { 597 if (!enable[dev] || !isapnp[dev]) 598 continue; 599 res = snd_sb16_card_new(&pcard->card->dev, dev, &card); 600 if (res < 0) 601 return res; 602 res = snd_card_sb16_pnp(dev, card->private_data, pcard, pid); 603 if (res < 0) { 604 snd_card_free(card); 605 return res; 606 } 607 res = snd_sb16_probe(card, dev); 608 if (res < 0) { 609 snd_card_free(card); 610 return res; 611 } 612 pnp_set_card_drvdata(pcard, card); 613 dev++; 614 return 0; 615 } 616 617 return -ENODEV; 618 } 619 620 static void snd_sb16_pnp_remove(struct pnp_card_link *pcard) 621 { 622 snd_card_free(pnp_get_card_drvdata(pcard)); 623 pnp_set_card_drvdata(pcard, NULL); 624 } 625 626 #ifdef CONFIG_PM 627 static int snd_sb16_pnp_suspend(struct pnp_card_link *pcard, pm_message_t state) 628 { 629 return snd_sb16_suspend(pnp_get_card_drvdata(pcard), state); 630 } 631 static int snd_sb16_pnp_resume(struct pnp_card_link *pcard) 632 { 633 return snd_sb16_resume(pnp_get_card_drvdata(pcard)); 634 } 635 #endif 636 637 static struct pnp_card_driver sb16_pnpc_driver = { 638 .flags = PNP_DRIVER_RES_DISABLE, 639 #ifdef SNDRV_SBAWE 640 .name = "sbawe", 641 #else 642 .name = "sb16", 643 #endif 644 .id_table = snd_sb16_pnpids, 645 .probe = snd_sb16_pnp_detect, 646 .remove = snd_sb16_pnp_remove, 647 #ifdef CONFIG_PM 648 .suspend = snd_sb16_pnp_suspend, 649 .resume = snd_sb16_pnp_resume, 650 #endif 651 }; 652 653 #endif /* CONFIG_PNP */ 654 655 static int __init alsa_card_sb16_init(void) 656 { 657 int err; 658 659 err = isa_register_driver(&snd_sb16_isa_driver, SNDRV_CARDS); 660 #ifdef CONFIG_PNP 661 if (!err) 662 isa_registered = 1; 663 664 err = pnp_register_card_driver(&sb16_pnpc_driver); 665 if (!err) 666 pnp_registered = 1; 667 668 if (isa_registered) 669 err = 0; 670 #endif 671 return err; 672 } 673 674 static void __exit alsa_card_sb16_exit(void) 675 { 676 #ifdef CONFIG_PNP 677 if (pnp_registered) 678 pnp_unregister_card_driver(&sb16_pnpc_driver); 679 if (isa_registered) 680 #endif 681 isa_unregister_driver(&snd_sb16_isa_driver); 682 } 683 684 module_init(alsa_card_sb16_init) 685 module_exit(alsa_card_sb16_exit) 686