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1// SPDX-License-Identifier: GPL-2.0-or-later2/*3 * Driver for SoundBlaster 16/AWE32/AWE64 soundcards4 * 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_IRQ21#define SNDRV_LEGACY_FIND_FREE_DMA22#include <sound/initval.h>23 24MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");25MODULE_LICENSE("GPL");26#ifndef SNDRV_SBAWE27MODULE_DESCRIPTION("Sound Blaster 16");28#else29MODULE_DESCRIPTION("Sound Blaster AWE");30#endif31 32#if 033#define SNDRV_DEBUG_IRQ34#endif35 36#if defined(SNDRV_SBAWE) && IS_ENABLED(CONFIG_SND_SEQUENCER)37#define SNDRV_SBAWE_EMU800038#endif39 40static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */41static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */42static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP; /* Enable this card */43#ifdef CONFIG_PNP44static bool isapnp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};45#endif46static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x240,0x260,0x280 */47static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x330,0x300 */48static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;49#ifdef SNDRV_SBAWE_EMU800050static long awe_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;51#endif52static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */53static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3 */54static int dma16[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 5,6,7 */55static int mic_agc[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};56#ifdef CONFIG_SND_SB16_CSP57static int csp[SNDRV_CARDS];58#endif59#ifdef SNDRV_SBAWE_EMU800060static int seq_ports[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 4};61#endif62 63module_param_array(index, int, NULL, 0444);64MODULE_PARM_DESC(index, "Index value for SoundBlaster 16 soundcard.");65module_param_array(id, charp, NULL, 0444);66MODULE_PARM_DESC(id, "ID string for SoundBlaster 16 soundcard.");67module_param_array(enable, bool, NULL, 0444);68MODULE_PARM_DESC(enable, "Enable SoundBlaster 16 soundcard.");69#ifdef CONFIG_PNP70module_param_array(isapnp, bool, NULL, 0444);71MODULE_PARM_DESC(isapnp, "PnP detection for specified soundcard.");72#endif73module_param_hw_array(port, long, ioport, NULL, 0444);74MODULE_PARM_DESC(port, "Port # for SB16 driver.");75module_param_hw_array(mpu_port, long, ioport, NULL, 0444);76MODULE_PARM_DESC(mpu_port, "MPU-401 port # for SB16 driver.");77module_param_hw_array(fm_port, long, ioport, NULL, 0444);78MODULE_PARM_DESC(fm_port, "FM port # for SB16 PnP driver.");79#ifdef SNDRV_SBAWE_EMU800080module_param_hw_array(awe_port, long, ioport, NULL, 0444);81MODULE_PARM_DESC(awe_port, "AWE port # for SB16 PnP driver.");82#endif83module_param_hw_array(irq, int, irq, NULL, 0444);84MODULE_PARM_DESC(irq, "IRQ # for SB16 driver.");85module_param_hw_array(dma8, int, dma, NULL, 0444);86MODULE_PARM_DESC(dma8, "8-bit DMA # for SB16 driver.");87module_param_hw_array(dma16, int, dma, NULL, 0444);88MODULE_PARM_DESC(dma16, "16-bit DMA # for SB16 driver.");89module_param_array(mic_agc, int, NULL, 0444);90MODULE_PARM_DESC(mic_agc, "Mic Auto-Gain-Control switch.");91#ifdef CONFIG_SND_SB16_CSP92module_param_array(csp, int, NULL, 0444);93MODULE_PARM_DESC(csp, "ASP/CSP chip support.");94#endif95#ifdef SNDRV_SBAWE_EMU800096module_param_array(seq_ports, int, NULL, 0444);97MODULE_PARM_DESC(seq_ports, "Number of sequencer ports for WaveTable synth.");98#endif99 100#ifdef CONFIG_PNP101static int isa_registered;102static int pnp_registered;103#endif104 105struct snd_card_sb16 {106 struct resource *fm_res; /* used to block FM i/o region for legacy cards */107 struct snd_sb *chip;108#ifdef CONFIG_PNP109 int dev_no;110 struct pnp_dev *dev;111#ifdef SNDRV_SBAWE_EMU8000112 struct pnp_dev *devwt;113#endif114#endif115};116 117#ifdef CONFIG_PNP118 119static const struct pnp_card_device_id snd_sb16_pnpids[] = {120#ifndef SNDRV_SBAWE121 /* Sound Blaster 16 PnP */122 { .id = "CTL0024", .devs = { { "CTL0031" } } },123 /* Sound Blaster 16 PnP */124 { .id = "CTL0025", .devs = { { "CTL0031" } } },125 /* Sound Blaster 16 PnP */126 { .id = "CTL0026", .devs = { { "CTL0031" } } },127 /* Sound Blaster 16 PnP */128 { .id = "CTL0027", .devs = { { "CTL0031" } } },129 /* Sound Blaster 16 PnP */130 { .id = "CTL0028", .devs = { { "CTL0031" } } },131 /* Sound Blaster 16 PnP */132 { .id = "CTL0029", .devs = { { "CTL0031" } } },133 /* Sound Blaster 16 PnP */134 { .id = "CTL002a", .devs = { { "CTL0031" } } },135 /* Sound Blaster 16 PnP */136 /* Note: This card has also a CTL0051:StereoEnhance device!!! */137 { .id = "CTL002b", .devs = { { "CTL0031" } } },138 /* Sound Blaster 16 PnP */139 { .id = "CTL002c", .devs = { { "CTL0031" } } },140 /* Sound Blaster Vibra16S */141 { .id = "CTL0051", .devs = { { "CTL0001" } } },142 /* Sound Blaster Vibra16C */143 { .id = "CTL0070", .devs = { { "CTL0001" } } },144 /* Sound Blaster Vibra16CL - added by ctm@ardi.com */145 { .id = "CTL0080", .devs = { { "CTL0041" } } },146 /* Sound Blaster 16 'value' PnP. It says model ct4130 on the pcb, */147 /* but ct4131 on a sticker on the board.. */148 { .id = "CTL0086", .devs = { { "CTL0041" } } },149 /* Sound Blaster Vibra16X */150 { .id = "CTL00f0", .devs = { { "CTL0043" } } },151 /* Sound Blaster 16 (Virtual PC 2004) */152 { .id = "tBA03b0", .devs = { {.id="PNPb003" } } },153#else /* SNDRV_SBAWE defined */154 /* Sound Blaster AWE 32 PnP */155 { .id = "CTL0035", .devs = { { "CTL0031" }, { "CTL0021" } } },156 /* Sound Blaster AWE 32 PnP */157 { .id = "CTL0039", .devs = { { "CTL0031" }, { "CTL0021" } } },158 /* Sound Blaster AWE 32 PnP */159 { .id = "CTL0042", .devs = { { "CTL0031" }, { "CTL0021" } } },160 /* Sound Blaster AWE 32 PnP */161 { .id = "CTL0043", .devs = { { "CTL0031" }, { "CTL0021" } } },162 /* Sound Blaster AWE 32 PnP */163 /* Note: This card has also a CTL0051:StereoEnhance device!!! */164 { .id = "CTL0044", .devs = { { "CTL0031" }, { "CTL0021" } } },165 /* Sound Blaster AWE 32 PnP */166 /* Note: This card has also a CTL0051:StereoEnhance device!!! */167 { .id = "CTL0045", .devs = { { "CTL0031" }, { "CTL0021" } } },168 /* Sound Blaster AWE 32 PnP */169 { .id = "CTL0046", .devs = { { "CTL0031" }, { "CTL0021" } } },170 /* Sound Blaster AWE 32 PnP */171 { .id = "CTL0047", .devs = { { "CTL0031" }, { "CTL0021" } } },172 /* Sound Blaster AWE 32 PnP */173 { .id = "CTL0048", .devs = { { "CTL0031" }, { "CTL0021" } } },174 /* Sound Blaster AWE 32 PnP */175 { .id = "CTL0054", .devs = { { "CTL0031" }, { "CTL0021" } } },176 /* Sound Blaster AWE 32 PnP */177 { .id = "CTL009a", .devs = { { "CTL0041" }, { "CTL0021" } } },178 /* Sound Blaster AWE 32 PnP */179 { .id = "CTL009c", .devs = { { "CTL0041" }, { "CTL0021" } } },180 /* Sound Blaster 32 PnP */181 { .id = "CTL009f", .devs = { { "CTL0041" }, { "CTL0021" } } },182 /* Sound Blaster AWE 64 PnP */183 { .id = "CTL009d", .devs = { { "CTL0042" }, { "CTL0022" } } },184 /* Sound Blaster AWE 64 PnP Gold */185 { .id = "CTL009e", .devs = { { "CTL0044" }, { "CTL0023" } } },186 /* Sound Blaster AWE 64 PnP Gold */187 { .id = "CTL00b2", .devs = { { "CTL0044" }, { "CTL0023" } } },188 /* Sound Blaster AWE 64 PnP */189 { .id = "CTL00c1", .devs = { { "CTL0042" }, { "CTL0022" } } },190 /* Sound Blaster AWE 64 PnP */191 { .id = "CTL00c3", .devs = { { "CTL0045" }, { "CTL0022" } } },192 /* Sound Blaster AWE 64 PnP */193 { .id = "CTL00c5", .devs = { { "CTL0045" }, { "CTL0022" } } },194 /* Sound Blaster AWE 64 PnP */195 { .id = "CTL00c7", .devs = { { "CTL0045" }, { "CTL0022" } } },196 /* Sound Blaster AWE 64 PnP */197 { .id = "CTL00e4", .devs = { { "CTL0045" }, { "CTL0022" } } },198 /* Sound Blaster AWE 64 PnP */199 { .id = "CTL00e9", .devs = { { "CTL0045" }, { "CTL0022" } } },200 /* Sound Blaster 16 PnP (AWE) */201 { .id = "CTL00ed", .devs = { { "CTL0041" }, { "CTL0070" } } },202 /* Generic entries */203 { .id = "CTLXXXX" , .devs = { { "CTL0031" }, { "CTL0021" } } },204 { .id = "CTLXXXX" , .devs = { { "CTL0041" }, { "CTL0021" } } },205 { .id = "CTLXXXX" , .devs = { { "CTL0042" }, { "CTL0022" } } },206 { .id = "CTLXXXX" , .devs = { { "CTL0044" }, { "CTL0023" } } },207 { .id = "CTLXXXX" , .devs = { { "CTL0045" }, { "CTL0022" } } },208#endif /* SNDRV_SBAWE */209 { .id = "", }210};211 212MODULE_DEVICE_TABLE(pnp_card, snd_sb16_pnpids);213 214#endif /* CONFIG_PNP */215 216#ifdef SNDRV_SBAWE_EMU8000217#define DRIVER_NAME "snd-card-sbawe"218#else219#define DRIVER_NAME "snd-card-sb16"220#endif221 222#ifdef CONFIG_PNP223 224static int snd_card_sb16_pnp(int dev, struct snd_card_sb16 *acard,225 struct pnp_card_link *card,226 const struct pnp_card_device_id *id)227{228 struct pnp_dev *pdev;229 int err;230 231 acard->dev = pnp_request_card_device(card, id->devs[0].id, NULL);232 if (acard->dev == NULL)233 return -ENODEV; 234 235#ifdef SNDRV_SBAWE_EMU8000236 acard->devwt = pnp_request_card_device(card, id->devs[1].id, acard->dev);237#endif238 /* Audio initialization */239 pdev = acard->dev;240 241 err = pnp_activate_dev(pdev); 242 if (err < 0) { 243 dev_err(&pdev->dev, "AUDIO pnp configure failure\n");244 return err; 245 } 246 port[dev] = pnp_port_start(pdev, 0);247 mpu_port[dev] = pnp_port_start(pdev, 1);248 fm_port[dev] = pnp_port_start(pdev, 2);249 dma8[dev] = pnp_dma(pdev, 0);250 dma16[dev] = pnp_dma(pdev, 1);251 irq[dev] = pnp_irq(pdev, 0);252 dev_dbg(&pdev->dev, "pnp SB16: port=0x%lx, mpu port=0x%lx, fm port=0x%lx\n",253 port[dev], mpu_port[dev], fm_port[dev]);254 dev_dbg(&pdev->dev, "pnp SB16: dma1=%i, dma2=%i, irq=%i\n",255 dma8[dev], dma16[dev], irq[dev]);256#ifdef SNDRV_SBAWE_EMU8000257 /* WaveTable initialization */258 pdev = acard->devwt;259 if (pdev != NULL) {260 err = pnp_activate_dev(pdev); 261 if (err < 0) { 262 goto __wt_error; 263 } 264 awe_port[dev] = pnp_port_start(pdev, 0);265 dev_dbg(&pdev->dev, "pnp SB16: wavetable port=0x%llx\n",266 (unsigned long long)pnp_port_start(pdev, 0));267 } else {268__wt_error:269 if (pdev) {270 pnp_release_card_device(pdev);271 dev_err(&pdev->dev, "WaveTable pnp configure failure\n");272 }273 acard->devwt = NULL;274 awe_port[dev] = -1;275 }276#endif277 return 0;278}279 280#endif /* CONFIG_PNP */281 282#ifdef CONFIG_PNP283#define is_isapnp_selected(dev) isapnp[dev]284#else285#define is_isapnp_selected(dev) 0286#endif287 288static int snd_sb16_card_new(struct device *devptr, int dev,289 struct snd_card **cardp)290{291 struct snd_card *card;292 int err;293 294 err = snd_devm_card_new(devptr, index[dev], id[dev], THIS_MODULE,295 sizeof(struct snd_card_sb16), &card);296 if (err < 0)297 return err;298 *cardp = card;299 return 0;300}301 302static int snd_sb16_probe(struct snd_card *card, int dev)303{304 int xirq, xdma8, xdma16;305 struct snd_sb *chip;306 struct snd_card_sb16 *acard = card->private_data;307 struct snd_opl3 *opl3;308 struct snd_hwdep *synth = NULL;309#ifdef CONFIG_SND_SB16_CSP310 struct snd_hwdep *xcsp = NULL;311#endif312 unsigned long flags;313 int err;314 315 xirq = irq[dev];316 xdma8 = dma8[dev];317 xdma16 = dma16[dev];318 319 err = snd_sbdsp_create(card, port[dev], xirq, snd_sb16dsp_interrupt,320 xdma8, xdma16, SB_HW_AUTO, &chip);321 if (err < 0)322 return err;323 324 acard->chip = chip;325 if (chip->hardware != SB_HW_16) {326 dev_err(card->dev, "SB 16 chip was not detected at 0x%lx\n", port[dev]);327 return -ENODEV;328 }329 chip->mpu_port = mpu_port[dev];330 if (!is_isapnp_selected(dev)) {331 err = snd_sb16dsp_configure(chip);332 if (err < 0)333 return err;334 }335 336 err = snd_sb16dsp_pcm(chip, 0);337 if (err < 0)338 return err;339 340 strcpy(card->driver,341#ifdef SNDRV_SBAWE_EMU8000342 awe_port[dev] > 0 ? "SB AWE" :343#endif344 "SB16");345 strcpy(card->shortname, chip->name);346 sprintf(card->longname, "%s at 0x%lx, irq %i, dma ",347 chip->name,348 chip->port,349 xirq);350 if (xdma8 >= 0)351 sprintf(card->longname + strlen(card->longname), "%d", xdma8);352 if (xdma16 >= 0)353 sprintf(card->longname + strlen(card->longname), "%s%d",354 xdma8 >= 0 ? "&" : "", xdma16);355 356 if (chip->mpu_port > 0 && chip->mpu_port != SNDRV_AUTO_PORT) {357 err = snd_mpu401_uart_new(card, 0, MPU401_HW_SB,358 chip->mpu_port,359 MPU401_INFO_IRQ_HOOK, -1,360 &chip->rmidi);361 if (err < 0)362 return err;363 chip->rmidi_callback = snd_mpu401_uart_interrupt;364 }365 366#ifdef SNDRV_SBAWE_EMU8000367 if (awe_port[dev] == SNDRV_AUTO_PORT)368 awe_port[dev] = 0; /* disable */369#endif370 371 if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) {372 if (snd_opl3_create(card, fm_port[dev], fm_port[dev] + 2,373 OPL3_HW_OPL3,374 acard->fm_res != NULL || fm_port[dev] == port[dev],375 &opl3) < 0) {376 dev_err(card->dev, "no OPL device at 0x%lx-0x%lx\n",377 fm_port[dev], fm_port[dev] + 2);378 } else {379#ifdef SNDRV_SBAWE_EMU8000380 int seqdev = awe_port[dev] > 0 ? 2 : 1;381#else382 int seqdev = 1;383#endif384 err = snd_opl3_hwdep_new(opl3, 0, seqdev, &synth);385 if (err < 0)386 return err;387 }388 }389 390 err = snd_sbmixer_new(chip);391 if (err < 0)392 return err;393 394#ifdef CONFIG_SND_SB16_CSP395 /* CSP chip on SB16ASP/AWE32 */396 if ((chip->hardware == SB_HW_16) && csp[dev]) {397 snd_sb_csp_new(chip, synth != NULL ? 1 : 0, &xcsp);398 if (xcsp) {399 chip->csp = xcsp->private_data;400 chip->hardware = SB_HW_16CSP;401 } else {402 dev_info(card->dev,403 "warning - CSP chip not detected on soundcard #%i\n",404 dev + 1);405 }406 }407#endif408#ifdef SNDRV_SBAWE_EMU8000409 if (awe_port[dev] > 0) {410 err = snd_emu8000_new(card, 1, awe_port[dev],411 seq_ports[dev], NULL);412 if (err < 0) {413 dev_err(card->dev,414 "fatal error - EMU-8000 synthesizer not detected at 0x%lx\n",415 awe_port[dev]);416 417 return err;418 }419 }420#endif421 422 /* setup Mic AGC */423 spin_lock_irqsave(&chip->mixer_lock, flags);424 snd_sbmixer_write(chip, SB_DSP4_MIC_AGC,425 (snd_sbmixer_read(chip, SB_DSP4_MIC_AGC) & 0x01) |426 (mic_agc[dev] ? 0x00 : 0x01));427 spin_unlock_irqrestore(&chip->mixer_lock, flags);428 429 err = snd_card_register(card);430 if (err < 0)431 return err;432 433 return 0;434}435 436#ifdef CONFIG_PM437static int snd_sb16_suspend(struct snd_card *card, pm_message_t state)438{439 struct snd_card_sb16 *acard = card->private_data;440 struct snd_sb *chip = acard->chip;441 442 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);443 snd_sbmixer_suspend(chip);444 return 0;445}446 447static int snd_sb16_resume(struct snd_card *card)448{449 struct snd_card_sb16 *acard = card->private_data;450 struct snd_sb *chip = acard->chip;451 452 snd_sbdsp_reset(chip);453 snd_sbmixer_resume(chip);454 snd_power_change_state(card, SNDRV_CTL_POWER_D0);455 return 0;456}457#endif458 459static int snd_sb16_isa_probe1(int dev, struct device *pdev)460{461 struct snd_card_sb16 *acard;462 struct snd_card *card;463 int err;464 465 err = snd_sb16_card_new(pdev, dev, &card);466 if (err < 0)467 return err;468 469 acard = card->private_data;470 /* non-PnP FM port address is hardwired with base port address */471 fm_port[dev] = port[dev];472 /* block the 0x388 port to avoid PnP conflicts */473 acard->fm_res = devm_request_region(card->dev, 0x388, 4,474 "SoundBlaster FM");475#ifdef SNDRV_SBAWE_EMU8000476 /* non-PnP AWE port address is hardwired with base port address */477 awe_port[dev] = port[dev] + 0x400;478#endif479 480 err = snd_sb16_probe(card, dev);481 if (err < 0)482 return err;483 dev_set_drvdata(pdev, card);484 return 0;485}486 487 488static int snd_sb16_isa_match(struct device *pdev, unsigned int dev)489{490 return enable[dev] && !is_isapnp_selected(dev);491}492 493static int snd_sb16_isa_probe(struct device *pdev, unsigned int dev)494{495 int err;496 static const int possible_irqs[] = {5, 9, 10, 7, -1};497 static const int possible_dmas8[] = {1, 3, 0, -1};498 static const int possible_dmas16[] = {5, 6, 7, -1};499 500 if (irq[dev] == SNDRV_AUTO_IRQ) {501 irq[dev] = snd_legacy_find_free_irq(possible_irqs);502 if (irq[dev] < 0) {503 dev_err(pdev, "unable to find a free IRQ\n");504 return -EBUSY;505 }506 }507 if (dma8[dev] == SNDRV_AUTO_DMA) {508 dma8[dev] = snd_legacy_find_free_dma(possible_dmas8);509 if (dma8[dev] < 0) {510 dev_err(pdev, "unable to find a free 8-bit DMA\n");511 return -EBUSY;512 }513 }514 if (dma16[dev] == SNDRV_AUTO_DMA) {515 dma16[dev] = snd_legacy_find_free_dma(possible_dmas16);516 if (dma16[dev] < 0) {517 dev_err(pdev, "unable to find a free 16-bit DMA\n");518 return -EBUSY;519 }520 }521 522 if (port[dev] != SNDRV_AUTO_PORT)523 return snd_sb16_isa_probe1(dev, pdev);524 else {525 static const int possible_ports[] = {0x220, 0x240, 0x260, 0x280};526 int i;527 for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {528 port[dev] = possible_ports[i];529 err = snd_sb16_isa_probe1(dev, pdev);530 if (! err)531 return 0;532 }533 return err;534 }535}536 537#ifdef CONFIG_PM538static int snd_sb16_isa_suspend(struct device *dev, unsigned int n,539 pm_message_t state)540{541 return snd_sb16_suspend(dev_get_drvdata(dev), state);542}543 544static int snd_sb16_isa_resume(struct device *dev, unsigned int n)545{546 return snd_sb16_resume(dev_get_drvdata(dev));547}548#endif549 550#ifdef SNDRV_SBAWE551#define DEV_NAME "sbawe"552#else553#define DEV_NAME "sb16"554#endif555 556static struct isa_driver snd_sb16_isa_driver = {557 .match = snd_sb16_isa_match,558 .probe = snd_sb16_isa_probe,559#ifdef CONFIG_PM560 .suspend = snd_sb16_isa_suspend,561 .resume = snd_sb16_isa_resume,562#endif563 .driver = {564 .name = DEV_NAME565 },566};567 568 569#ifdef CONFIG_PNP570static int snd_sb16_pnp_detect(struct pnp_card_link *pcard,571 const struct pnp_card_device_id *pid)572{573 static int dev;574 struct snd_card *card;575 int res;576 577 for ( ; dev < SNDRV_CARDS; dev++) {578 if (!enable[dev] || !isapnp[dev])579 continue;580 res = snd_sb16_card_new(&pcard->card->dev, dev, &card);581 if (res < 0)582 return res;583 res = snd_card_sb16_pnp(dev, card->private_data, pcard, pid);584 if (res < 0)585 return res;586 res = snd_sb16_probe(card, dev);587 if (res < 0)588 return res;589 pnp_set_card_drvdata(pcard, card);590 dev++;591 return 0;592 }593 594 return -ENODEV;595}596 597#ifdef CONFIG_PM598static int snd_sb16_pnp_suspend(struct pnp_card_link *pcard, pm_message_t state)599{600 return snd_sb16_suspend(pnp_get_card_drvdata(pcard), state);601}602static int snd_sb16_pnp_resume(struct pnp_card_link *pcard)603{604 return snd_sb16_resume(pnp_get_card_drvdata(pcard));605}606#endif607 608static struct pnp_card_driver sb16_pnpc_driver = {609 .flags = PNP_DRIVER_RES_DISABLE,610#ifdef SNDRV_SBAWE611 .name = "sbawe",612#else613 .name = "sb16",614#endif615 .id_table = snd_sb16_pnpids,616 .probe = snd_sb16_pnp_detect,617#ifdef CONFIG_PM618 .suspend = snd_sb16_pnp_suspend,619 .resume = snd_sb16_pnp_resume,620#endif621};622 623#endif /* CONFIG_PNP */624 625static int __init alsa_card_sb16_init(void)626{627 int err;628 629 err = isa_register_driver(&snd_sb16_isa_driver, SNDRV_CARDS);630#ifdef CONFIG_PNP631 if (!err)632 isa_registered = 1;633 634 err = pnp_register_card_driver(&sb16_pnpc_driver);635 if (!err)636 pnp_registered = 1;637 638 if (isa_registered)639 err = 0;640#endif641 return err;642}643 644static void __exit alsa_card_sb16_exit(void)645{646#ifdef CONFIG_PNP647 if (pnp_registered)648 pnp_unregister_card_driver(&sb16_pnpc_driver);649 if (isa_registered)650#endif651 isa_unregister_driver(&snd_sb16_isa_driver);652}653 654module_init(alsa_card_sb16_init)655module_exit(alsa_card_sb16_exit)656