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 snd_card_sb16_pnp(int dev,struct snd_card_sb16 * acard,struct pnp_card_link * card,const struct pnp_card_device_id * id)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 #ifdef CONFIG_PNP 289 #define is_isapnp_selected(dev) isapnp[dev] 290 #else 291 #define is_isapnp_selected(dev) 0 292 #endif 293 snd_sb16_card_new(struct device * devptr,int dev,struct snd_card ** cardp)294 static int snd_sb16_card_new(struct device *devptr, int dev, 295 struct snd_card **cardp) 296 { 297 struct snd_card *card; 298 int err; 299 300 err = snd_devm_card_new(devptr, index[dev], id[dev], THIS_MODULE, 301 sizeof(struct snd_card_sb16), &card); 302 if (err < 0) 303 return err; 304 *cardp = card; 305 return 0; 306 } 307 snd_sb16_probe(struct snd_card * card,int dev)308 static int snd_sb16_probe(struct snd_card *card, int dev) 309 { 310 int xirq, xdma8, xdma16; 311 struct snd_sb *chip; 312 struct snd_card_sb16 *acard = card->private_data; 313 struct snd_opl3 *opl3; 314 struct snd_hwdep *synth = NULL; 315 #ifdef CONFIG_SND_SB16_CSP 316 struct snd_hwdep *xcsp = NULL; 317 #endif 318 unsigned long flags; 319 int err; 320 321 xirq = irq[dev]; 322 xdma8 = dma8[dev]; 323 xdma16 = dma16[dev]; 324 325 err = snd_sbdsp_create(card, port[dev], xirq, snd_sb16dsp_interrupt, 326 xdma8, xdma16, SB_HW_AUTO, &chip); 327 if (err < 0) 328 return err; 329 330 acard->chip = chip; 331 if (chip->hardware != SB_HW_16) { 332 snd_printk(KERN_ERR PFX "SB 16 chip was not detected at 0x%lx\n", port[dev]); 333 return -ENODEV; 334 } 335 chip->mpu_port = mpu_port[dev]; 336 if (!is_isapnp_selected(dev)) { 337 err = snd_sb16dsp_configure(chip); 338 if (err < 0) 339 return err; 340 } 341 342 err = snd_sb16dsp_pcm(chip, 0); 343 if (err < 0) 344 return err; 345 346 strcpy(card->driver, 347 #ifdef SNDRV_SBAWE_EMU8000 348 awe_port[dev] > 0 ? "SB AWE" : 349 #endif 350 "SB16"); 351 strcpy(card->shortname, chip->name); 352 sprintf(card->longname, "%s at 0x%lx, irq %i, dma ", 353 chip->name, 354 chip->port, 355 xirq); 356 if (xdma8 >= 0) 357 sprintf(card->longname + strlen(card->longname), "%d", xdma8); 358 if (xdma16 >= 0) 359 sprintf(card->longname + strlen(card->longname), "%s%d", 360 xdma8 >= 0 ? "&" : "", xdma16); 361 362 if (chip->mpu_port > 0 && chip->mpu_port != SNDRV_AUTO_PORT) { 363 err = snd_mpu401_uart_new(card, 0, MPU401_HW_SB, 364 chip->mpu_port, 365 MPU401_INFO_IRQ_HOOK, -1, 366 &chip->rmidi); 367 if (err < 0) 368 return err; 369 chip->rmidi_callback = snd_mpu401_uart_interrupt; 370 } 371 372 #ifdef SNDRV_SBAWE_EMU8000 373 if (awe_port[dev] == SNDRV_AUTO_PORT) 374 awe_port[dev] = 0; /* disable */ 375 #endif 376 377 if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) { 378 if (snd_opl3_create(card, fm_port[dev], fm_port[dev] + 2, 379 OPL3_HW_OPL3, 380 acard->fm_res != NULL || fm_port[dev] == port[dev], 381 &opl3) < 0) { 382 snd_printk(KERN_ERR PFX "no OPL device at 0x%lx-0x%lx\n", 383 fm_port[dev], fm_port[dev] + 2); 384 } else { 385 #ifdef SNDRV_SBAWE_EMU8000 386 int seqdev = awe_port[dev] > 0 ? 2 : 1; 387 #else 388 int seqdev = 1; 389 #endif 390 err = snd_opl3_hwdep_new(opl3, 0, seqdev, &synth); 391 if (err < 0) 392 return err; 393 } 394 } 395 396 err = snd_sbmixer_new(chip); 397 if (err < 0) 398 return err; 399 400 #ifdef CONFIG_SND_SB16_CSP 401 /* CSP chip on SB16ASP/AWE32 */ 402 if ((chip->hardware == SB_HW_16) && csp[dev]) { 403 snd_sb_csp_new(chip, synth != NULL ? 1 : 0, &xcsp); 404 if (xcsp) { 405 chip->csp = xcsp->private_data; 406 chip->hardware = SB_HW_16CSP; 407 } else { 408 snd_printk(KERN_INFO PFX "warning - CSP chip not detected on soundcard #%i\n", dev + 1); 409 } 410 } 411 #endif 412 #ifdef SNDRV_SBAWE_EMU8000 413 if (awe_port[dev] > 0) { 414 err = snd_emu8000_new(card, 1, awe_port[dev], 415 seq_ports[dev], NULL); 416 if (err < 0) { 417 snd_printk(KERN_ERR PFX "fatal error - EMU-8000 synthesizer not detected at 0x%lx\n", awe_port[dev]); 418 419 return err; 420 } 421 } 422 #endif 423 424 /* setup Mic AGC */ 425 spin_lock_irqsave(&chip->mixer_lock, flags); 426 snd_sbmixer_write(chip, SB_DSP4_MIC_AGC, 427 (snd_sbmixer_read(chip, SB_DSP4_MIC_AGC) & 0x01) | 428 (mic_agc[dev] ? 0x00 : 0x01)); 429 spin_unlock_irqrestore(&chip->mixer_lock, flags); 430 431 err = snd_card_register(card); 432 if (err < 0) 433 return err; 434 435 return 0; 436 } 437 438 #ifdef CONFIG_PM snd_sb16_suspend(struct snd_card * card,pm_message_t state)439 static int snd_sb16_suspend(struct snd_card *card, pm_message_t state) 440 { 441 struct snd_card_sb16 *acard = card->private_data; 442 struct snd_sb *chip = acard->chip; 443 444 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 445 snd_sbmixer_suspend(chip); 446 return 0; 447 } 448 snd_sb16_resume(struct snd_card * card)449 static int snd_sb16_resume(struct snd_card *card) 450 { 451 struct snd_card_sb16 *acard = card->private_data; 452 struct snd_sb *chip = acard->chip; 453 454 snd_sbdsp_reset(chip); 455 snd_sbmixer_resume(chip); 456 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 457 return 0; 458 } 459 #endif 460 snd_sb16_isa_probe1(int dev,struct device * pdev)461 static int snd_sb16_isa_probe1(int dev, struct device *pdev) 462 { 463 struct snd_card_sb16 *acard; 464 struct snd_card *card; 465 int err; 466 467 err = snd_sb16_card_new(pdev, dev, &card); 468 if (err < 0) 469 return err; 470 471 acard = card->private_data; 472 /* non-PnP FM port address is hardwired with base port address */ 473 fm_port[dev] = port[dev]; 474 /* block the 0x388 port to avoid PnP conflicts */ 475 acard->fm_res = devm_request_region(card->dev, 0x388, 4, 476 "SoundBlaster FM"); 477 #ifdef SNDRV_SBAWE_EMU8000 478 /* non-PnP AWE port address is hardwired with base port address */ 479 awe_port[dev] = port[dev] + 0x400; 480 #endif 481 482 err = snd_sb16_probe(card, dev); 483 if (err < 0) 484 return err; 485 dev_set_drvdata(pdev, card); 486 return 0; 487 } 488 489 snd_sb16_isa_match(struct device * pdev,unsigned int dev)490 static int snd_sb16_isa_match(struct device *pdev, unsigned int dev) 491 { 492 return enable[dev] && !is_isapnp_selected(dev); 493 } 494 snd_sb16_isa_probe(struct device * pdev,unsigned int dev)495 static int snd_sb16_isa_probe(struct device *pdev, unsigned int dev) 496 { 497 int err; 498 static const int possible_irqs[] = {5, 9, 10, 7, -1}; 499 static const int possible_dmas8[] = {1, 3, 0, -1}; 500 static const int possible_dmas16[] = {5, 6, 7, -1}; 501 502 if (irq[dev] == SNDRV_AUTO_IRQ) { 503 irq[dev] = snd_legacy_find_free_irq(possible_irqs); 504 if (irq[dev] < 0) { 505 snd_printk(KERN_ERR PFX "unable to find a free IRQ\n"); 506 return -EBUSY; 507 } 508 } 509 if (dma8[dev] == SNDRV_AUTO_DMA) { 510 dma8[dev] = snd_legacy_find_free_dma(possible_dmas8); 511 if (dma8[dev] < 0) { 512 snd_printk(KERN_ERR PFX "unable to find a free 8-bit DMA\n"); 513 return -EBUSY; 514 } 515 } 516 if (dma16[dev] == SNDRV_AUTO_DMA) { 517 dma16[dev] = snd_legacy_find_free_dma(possible_dmas16); 518 if (dma16[dev] < 0) { 519 snd_printk(KERN_ERR PFX "unable to find a free 16-bit DMA\n"); 520 return -EBUSY; 521 } 522 } 523 524 if (port[dev] != SNDRV_AUTO_PORT) 525 return snd_sb16_isa_probe1(dev, pdev); 526 else { 527 static const int possible_ports[] = {0x220, 0x240, 0x260, 0x280}; 528 int i; 529 for (i = 0; i < ARRAY_SIZE(possible_ports); i++) { 530 port[dev] = possible_ports[i]; 531 err = snd_sb16_isa_probe1(dev, pdev); 532 if (! err) 533 return 0; 534 } 535 return err; 536 } 537 } 538 539 #ifdef CONFIG_PM snd_sb16_isa_suspend(struct device * dev,unsigned int n,pm_message_t state)540 static int snd_sb16_isa_suspend(struct device *dev, unsigned int n, 541 pm_message_t state) 542 { 543 return snd_sb16_suspend(dev_get_drvdata(dev), state); 544 } 545 snd_sb16_isa_resume(struct device * dev,unsigned int n)546 static int snd_sb16_isa_resume(struct device *dev, unsigned int n) 547 { 548 return snd_sb16_resume(dev_get_drvdata(dev)); 549 } 550 #endif 551 552 #ifdef SNDRV_SBAWE 553 #define DEV_NAME "sbawe" 554 #else 555 #define DEV_NAME "sb16" 556 #endif 557 558 static struct isa_driver snd_sb16_isa_driver = { 559 .match = snd_sb16_isa_match, 560 .probe = snd_sb16_isa_probe, 561 #ifdef CONFIG_PM 562 .suspend = snd_sb16_isa_suspend, 563 .resume = snd_sb16_isa_resume, 564 #endif 565 .driver = { 566 .name = DEV_NAME 567 }, 568 }; 569 570 571 #ifdef CONFIG_PNP snd_sb16_pnp_detect(struct pnp_card_link * pcard,const struct pnp_card_device_id * pid)572 static int snd_sb16_pnp_detect(struct pnp_card_link *pcard, 573 const struct pnp_card_device_id *pid) 574 { 575 static int dev; 576 struct snd_card *card; 577 int res; 578 579 for ( ; dev < SNDRV_CARDS; dev++) { 580 if (!enable[dev] || !isapnp[dev]) 581 continue; 582 res = snd_sb16_card_new(&pcard->card->dev, dev, &card); 583 if (res < 0) 584 return res; 585 res = snd_card_sb16_pnp(dev, card->private_data, pcard, pid); 586 if (res < 0) 587 return res; 588 res = snd_sb16_probe(card, dev); 589 if (res < 0) 590 return res; 591 pnp_set_card_drvdata(pcard, card); 592 dev++; 593 return 0; 594 } 595 596 return -ENODEV; 597 } 598 599 #ifdef CONFIG_PM snd_sb16_pnp_suspend(struct pnp_card_link * pcard,pm_message_t state)600 static int snd_sb16_pnp_suspend(struct pnp_card_link *pcard, pm_message_t state) 601 { 602 return snd_sb16_suspend(pnp_get_card_drvdata(pcard), state); 603 } snd_sb16_pnp_resume(struct pnp_card_link * pcard)604 static int snd_sb16_pnp_resume(struct pnp_card_link *pcard) 605 { 606 return snd_sb16_resume(pnp_get_card_drvdata(pcard)); 607 } 608 #endif 609 610 static struct pnp_card_driver sb16_pnpc_driver = { 611 .flags = PNP_DRIVER_RES_DISABLE, 612 #ifdef SNDRV_SBAWE 613 .name = "sbawe", 614 #else 615 .name = "sb16", 616 #endif 617 .id_table = snd_sb16_pnpids, 618 .probe = snd_sb16_pnp_detect, 619 #ifdef CONFIG_PM 620 .suspend = snd_sb16_pnp_suspend, 621 .resume = snd_sb16_pnp_resume, 622 #endif 623 }; 624 625 #endif /* CONFIG_PNP */ 626 alsa_card_sb16_init(void)627 static int __init alsa_card_sb16_init(void) 628 { 629 int err; 630 631 err = isa_register_driver(&snd_sb16_isa_driver, SNDRV_CARDS); 632 #ifdef CONFIG_PNP 633 if (!err) 634 isa_registered = 1; 635 636 err = pnp_register_card_driver(&sb16_pnpc_driver); 637 if (!err) 638 pnp_registered = 1; 639 640 if (isa_registered) 641 err = 0; 642 #endif 643 return err; 644 } 645 alsa_card_sb16_exit(void)646 static void __exit alsa_card_sb16_exit(void) 647 { 648 #ifdef CONFIG_PNP 649 if (pnp_registered) 650 pnp_unregister_card_driver(&sb16_pnpc_driver); 651 if (isa_registered) 652 #endif 653 isa_unregister_driver(&snd_sb16_isa_driver); 654 } 655 656 module_init(alsa_card_sb16_init) 657 module_exit(alsa_card_sb16_exit) 658