514 static inline void snd_cs4281_pokeBA0(struct cs4281 *chip, unsigned long offset,  in snd_cs4281_pokeBA0()  argument
517         writel(val, chip->ba0 + offset);  in snd_cs4281_pokeBA0()
520 static inline unsigned int snd_cs4281_peekBA0(struct cs4281 *chip, unsigned long offset)  in snd_cs4281_peekBA0()  argument
522         return readl(chip->ba0 + offset);  in snd_cs4281_peekBA0()
535 	struct cs4281 *chip = ac97->private_data;  in snd_cs4281_ac97_write()  local
550 	snd_cs4281_pokeBA0(chip, BA0_ACCAD, reg);  in snd_cs4281_ac97_write()
551 	snd_cs4281_pokeBA0(chip, BA0_ACCDA, val);  in snd_cs4281_ac97_write()
552 	snd_cs4281_pokeBA0(chip, BA0_ACCTL, BA0_ACCTL_DCV | BA0_ACCTL_VFRM |  in snd_cs4281_ac97_write()
563 		if (!(snd_cs4281_peekBA0(chip, BA0_ACCTL) & BA0_ACCTL_DCV)) {  in snd_cs4281_ac97_write()
567 	dev_err(chip->card->dev,  in snd_cs4281_ac97_write()
574 	struct cs4281 *chip = ac97->private_data;  in snd_cs4281_ac97_read()  local
590 	snd_cs4281_peekBA0(chip, ac97_num ? BA0_ACSDA2 : BA0_ACSDA);  in snd_cs4281_ac97_read()
605 	snd_cs4281_pokeBA0(chip, BA0_ACCAD, reg);  in snd_cs4281_ac97_read()
606 	snd_cs4281_pokeBA0(chip, BA0_ACCDA, 0);  in snd_cs4281_ac97_read()
607 	snd_cs4281_pokeBA0(chip, BA0_ACCTL, BA0_ACCTL_DCV | BA0_ACCTL_CRW |  in snd_cs4281_ac97_read()
624 		if (!(snd_cs4281_peekBA0(chip, BA0_ACCTL) & BA0_ACCTL_DCV))  in snd_cs4281_ac97_read()
628 	dev_err(chip->card->dev,  in snd_cs4281_ac97_read()
643 		if (snd_cs4281_peekBA0(chip, ac97_num ? BA0_ACSTS2 : BA0_ACSTS) & BA0_ACSTS_VSTS)  in snd_cs4281_ac97_read()
648 	dev_err(chip->card->dev,  in snd_cs4281_ac97_read()
658 	result = snd_cs4281_peekBA0(chip, ac97_num ? BA0_ACSDA2 : BA0_ACSDA);  in snd_cs4281_ac97_read()
671 	struct cs4281 *chip = snd_pcm_substream_chip(substream);  in snd_cs4281_trigger()  local
673 	spin_lock(&chip->reg_lock);  in snd_cs4281_trigger()
685 		snd_cs4281_pokeBA0(chip, dma->regDMR, dma->valDMR & ~BA0_DMR_DMA);  in snd_cs4281_trigger()
700 		spin_unlock(&chip->reg_lock);  in snd_cs4281_trigger()
703 	snd_cs4281_pokeBA0(chip, dma->regDMR, dma->valDMR);  in snd_cs4281_trigger()
704 	snd_cs4281_pokeBA0(chip, dma->regFCR, dma->valFCR);  in snd_cs4281_trigger()
705 	snd_cs4281_pokeBA0(chip, dma->regDCR, dma->valDCR);  in snd_cs4281_trigger()
706 	spin_unlock(&chip->reg_lock);  in snd_cs4281_trigger()
734 static void snd_cs4281_mode(struct cs4281 *chip, struct cs4281_dma *dma,  in snd_cs4281_mode()  argument
760 	snd_cs4281_pokeBA0(chip, dma->regDBA, runtime->dma_addr);  in snd_cs4281_mode()
761 	snd_cs4281_pokeBA0(chip, dma->regDBC, runtime->buffer_size - 1);  in snd_cs4281_mode()
762 	rec_mono = (chip->dma[1].valDMR & BA0_DMR_MONO) == BA0_DMR_MONO;  in snd_cs4281_mode()
763 	snd_cs4281_pokeBA0(chip, BA0_SRCSA, (chip->src_left_play_slot << 0) |  in snd_cs4281_mode()
764 					    (chip->src_right_play_slot << 8) |  in snd_cs4281_mode()
765 					    (chip->src_left_rec_slot << 16) |  in snd_cs4281_mode()
766 					    ((rec_mono ? 31 : chip->src_right_rec_slot) << 24));  in snd_cs4281_mode()
770 		if (dma->left_slot == chip->src_left_play_slot) {  in snd_cs4281_mode()
772 			snd_BUG_ON(dma->right_slot != chip->src_right_play_slot);  in snd_cs4281_mode()
773 			snd_cs4281_pokeBA0(chip, BA0_DACSR, val);  in snd_cs4281_mode()
776 		if (dma->left_slot == chip->src_left_rec_slot) {  in snd_cs4281_mode()
778 			snd_BUG_ON(dma->right_slot != chip->src_right_rec_slot);  in snd_cs4281_mode()
779 			snd_cs4281_pokeBA0(chip, BA0_ADCSR, val);  in snd_cs4281_mode()
785 		snd_cs4281_pokeBA0(chip, dma->regFCR, snd_cs4281_peekBA0(chip, dma->regFCR) & ~BA0_FCR_FEN);  in snd_cs4281_mode()
791 	snd_cs4281_pokeBA0(chip, dma->regFCR, dma->valFCR | (capture ? BA0_FCR_PSH : 0));  in snd_cs4281_mode()
794 		snd_cs4281_pokeBA0(chip, dma->regFCR, dma->valFCR | BA0_FCR_FEN);  in snd_cs4281_mode()
796 	snd_cs4281_pokeBA0(chip, dma->regFSIC, 0);  in snd_cs4281_mode()
814 	struct cs4281 *chip = snd_pcm_substream_chip(substream);  in snd_cs4281_playback_prepare()  local
816 	spin_lock_irq(&chip->reg_lock);  in snd_cs4281_playback_prepare()
817 	snd_cs4281_mode(chip, dma, runtime, 0, 1);  in snd_cs4281_playback_prepare()
818 	spin_unlock_irq(&chip->reg_lock);  in snd_cs4281_playback_prepare()
826 	struct cs4281 *chip = snd_pcm_substream_chip(substream);  in snd_cs4281_capture_prepare()  local
828 	spin_lock_irq(&chip->reg_lock);  in snd_cs4281_capture_prepare()
829 	snd_cs4281_mode(chip, dma, runtime, 1, 1);  in snd_cs4281_capture_prepare()
830 	spin_unlock_irq(&chip->reg_lock);  in snd_cs4281_capture_prepare()
838 	struct cs4281 *chip = snd_pcm_substream_chip(substream);  in snd_cs4281_pointer()  local
847 	       snd_cs4281_peekBA0(chip, dma->regDCC) - 1;  in snd_cs4281_pointer()
902 	struct cs4281 *chip = snd_pcm_substream_chip(substream);  in snd_cs4281_playback_open()  local
906 	dma = &chip->dma[0];  in snd_cs4281_playback_open()
921 	struct cs4281 *chip = snd_pcm_substream_chip(substream);  in snd_cs4281_capture_open()  local
925 	dma = &chip->dma[1];  in snd_cs4281_capture_open()
976 static int snd_cs4281_pcm(struct cs4281 *chip, int device)  in snd_cs4281_pcm()  argument
981 	err = snd_pcm_new(chip->card, "CS4281", device, 1, 1, &pcm);  in snd_cs4281_pcm()
988 	pcm->private_data = chip;  in snd_cs4281_pcm()
991 	chip->pcm = pcm;  in snd_cs4281_pcm()
994 					      snd_dma_pci_data(chip->pci), 64*1024, 512*1024);  in snd_cs4281_pcm()
1018 	struct cs4281 *chip = snd_kcontrol_chip(kcontrol);  in snd_cs4281_get_volume()  local
1023 	volL = CS_VOL_MASK - (snd_cs4281_peekBA0(chip, regL) & CS_VOL_MASK);  in snd_cs4281_get_volume()
1024 	volR = CS_VOL_MASK - (snd_cs4281_peekBA0(chip, regR) & CS_VOL_MASK);  in snd_cs4281_get_volume()
1034 	struct cs4281 *chip = snd_kcontrol_chip(kcontrol);  in snd_cs4281_put_volume()  local
1040 	volL = CS_VOL_MASK - (snd_cs4281_peekBA0(chip, regL) & CS_VOL_MASK);  in snd_cs4281_put_volume()
1041 	volR = CS_VOL_MASK - (snd_cs4281_peekBA0(chip, regR) & CS_VOL_MASK);  in snd_cs4281_put_volume()
1045 		snd_cs4281_pokeBA0(chip, regL, volL);  in snd_cs4281_put_volume()
1050 		snd_cs4281_pokeBA0(chip, regR, volR);  in snd_cs4281_put_volume()
1082 	struct cs4281 *chip = bus->private_data;  in snd_cs4281_mixer_free_ac97_bus()  local
1083 	chip->ac97_bus = NULL;  in snd_cs4281_mixer_free_ac97_bus()
1088 	struct cs4281 *chip = ac97->private_data;  in snd_cs4281_mixer_free_ac97()  local
1090 		chip->ac97_secondary = NULL;  in snd_cs4281_mixer_free_ac97()
1092 		chip->ac97 = NULL;  in snd_cs4281_mixer_free_ac97()
1095 static int snd_cs4281_mixer(struct cs4281 *chip)  in snd_cs4281_mixer()  argument
1097 	struct snd_card *card = chip->card;  in snd_cs4281_mixer()
1105 	if ((err = snd_ac97_bus(card, 0, &ops, chip, &chip->ac97_bus)) < 0)  in snd_cs4281_mixer()
1107 	chip->ac97_bus->private_free = snd_cs4281_mixer_free_ac97_bus;  in snd_cs4281_mixer()
1110 	ac97.private_data = chip;  in snd_cs4281_mixer()
1112 	if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0)  in snd_cs4281_mixer()
1114 	if (chip->dual_codec) {  in snd_cs4281_mixer()
1116 		if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97_secondary)) < 0)  in snd_cs4281_mixer()
1119 	if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_cs4281_fm_vol, chip))) < 0)  in snd_cs4281_mixer()
1121 	if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_cs4281_pcm_vol, chip))) < 0)  in snd_cs4281_mixer()
1134 	struct cs4281 *chip = entry->private_data;  in snd_cs4281_proc_read()  local
1137 	snd_iprintf(buffer, "Spurious half IRQs   : %u\n", chip->spurious_dhtc_irq);  in snd_cs4281_proc_read()
1138 	snd_iprintf(buffer, "Spurious end IRQs    : %u\n", chip->spurious_dtc_irq);  in snd_cs4281_proc_read()
1146 	struct cs4281 *chip = entry->private_data;  in snd_cs4281_BA0_read()  local
1148 	if (copy_to_user_fromio(buf, chip->ba0 + pos, count))  in snd_cs4281_BA0_read()
1158 	struct cs4281 *chip = entry->private_data;  in snd_cs4281_BA1_read()  local
1160 	if (copy_to_user_fromio(buf, chip->ba1 + pos, count))  in snd_cs4281_BA1_read()
1173 static void snd_cs4281_proc_init(struct cs4281 *chip)  in snd_cs4281_proc_init()  argument
1177 	if (! snd_card_proc_new(chip->card, "cs4281", &entry))  in snd_cs4281_proc_init()
1178 		snd_info_set_text_ops(entry, chip, snd_cs4281_proc_read);  in snd_cs4281_proc_init()
1179 	if (! snd_card_proc_new(chip->card, "cs4281_BA0", &entry)) {  in snd_cs4281_proc_init()
1181 		entry->private_data = chip;  in snd_cs4281_proc_init()
1185 	if (! snd_card_proc_new(chip->card, "cs4281_BA1", &entry)) {  in snd_cs4281_proc_init()
1187 		entry->private_data = chip;  in snd_cs4281_proc_init()
1201 	struct cs4281 *chip = gameport_get_port_data(gameport);  in snd_cs4281_gameport_trigger()  local
1203 	if (snd_BUG_ON(!chip))  in snd_cs4281_gameport_trigger()
1205 	snd_cs4281_pokeBA0(chip, BA0_JSPT, 0xff);  in snd_cs4281_gameport_trigger()
1210 	struct cs4281 *chip = gameport_get_port_data(gameport);  in snd_cs4281_gameport_read()  local
1212 	if (snd_BUG_ON(!chip))  in snd_cs4281_gameport_read()
1214 	return snd_cs4281_peekBA0(chip, BA0_JSPT);  in snd_cs4281_gameport_read()
1221 	struct cs4281 *chip = gameport_get_port_data(gameport);  in snd_cs4281_gameport_cooked_read()  local
1224 	if (snd_BUG_ON(!chip))  in snd_cs4281_gameport_cooked_read()
1227 	js1 = snd_cs4281_peekBA0(chip, BA0_JSC1);  in snd_cs4281_gameport_cooked_read()
1228 	js2 = snd_cs4281_peekBA0(chip, BA0_JSC2);  in snd_cs4281_gameport_cooked_read()
1229 	jst = snd_cs4281_peekBA0(chip, BA0_JSPT);  in snd_cs4281_gameport_cooked_read()
1261 static int snd_cs4281_create_gameport(struct cs4281 *chip)  in snd_cs4281_create_gameport()  argument
1265 	chip->gameport = gp = gameport_allocate_port();  in snd_cs4281_create_gameport()
1267 		dev_err(chip->card->dev,  in snd_cs4281_create_gameport()
1273 	gameport_set_phys(gp, "pci%s/gameport0", pci_name(chip->pci));  in snd_cs4281_create_gameport()
1274 	gameport_set_dev_parent(gp, &chip->pci->dev);  in snd_cs4281_create_gameport()
1279 	gameport_set_port_data(gp, chip);  in snd_cs4281_create_gameport()
1281 	snd_cs4281_pokeBA0(chip, BA0_JSIO, 0xFF); // ?  in snd_cs4281_create_gameport()
1282 	snd_cs4281_pokeBA0(chip, BA0_JSCTL, JSCTL_SP_MEDIUM_SLOW);  in snd_cs4281_create_gameport()
1289 static void snd_cs4281_free_gameport(struct cs4281 *chip)  in snd_cs4281_free_gameport()  argument
1291 	if (chip->gameport) {  in snd_cs4281_free_gameport()
1292 		gameport_unregister_port(chip->gameport);  in snd_cs4281_free_gameport()
1293 		chip->gameport = NULL;  in snd_cs4281_free_gameport()
1297 static inline int snd_cs4281_create_gameport(struct cs4281 *chip) { return -ENOSYS; }  in snd_cs4281_create_gameport()  argument
1298 static inline void snd_cs4281_free_gameport(struct cs4281 *chip) { }  in snd_cs4281_free_gameport()  argument
1301 static int snd_cs4281_free(struct cs4281 *chip)  in snd_cs4281_free()  argument
1303 	snd_cs4281_free_gameport(chip);  in snd_cs4281_free()
1305 	if (chip->irq >= 0)  in snd_cs4281_free()
1306 		synchronize_irq(chip->irq);  in snd_cs4281_free()
1309 	snd_cs4281_pokeBA0(chip, BA0_HIMR, 0x7fffffff);  in snd_cs4281_free()
1311 	snd_cs4281_pokeBA0(chip, BA0_CLKCR1, 0);  in snd_cs4281_free()
1313 	snd_cs4281_pokeBA0(chip, BA0_SSPM, 0);  in snd_cs4281_free()
1315 	pci_set_power_state(chip->pci, PCI_D3hot);  in snd_cs4281_free()
1317 	if (chip->irq >= 0)  in snd_cs4281_free()
1318 		free_irq(chip->irq, chip);  in snd_cs4281_free()
1319 	iounmap(chip->ba0);  in snd_cs4281_free()
1320 	iounmap(chip->ba1);  in snd_cs4281_free()
1321 	pci_release_regions(chip->pci);  in snd_cs4281_free()
1322 	pci_disable_device(chip->pci);  in snd_cs4281_free()
1324 	kfree(chip);  in snd_cs4281_free()
1330 	struct cs4281 *chip = device->device_data;  in snd_cs4281_dev_free()  local
1331 	return snd_cs4281_free(chip);  in snd_cs4281_dev_free()
1334 static int snd_cs4281_chip_init(struct cs4281 *chip); /* defined below */
1341 	struct cs4281 *chip;  in snd_cs4281_create()  local
1351 	chip = kzalloc(sizeof(*chip), GFP_KERNEL);  in snd_cs4281_create()
1352 	if (chip == NULL) {  in snd_cs4281_create()
1356 	spin_lock_init(&chip->reg_lock);  in snd_cs4281_create()
1357 	chip->card = card;  in snd_cs4281_create()
1358 	chip->pci = pci;  in snd_cs4281_create()
1359 	chip->irq = -1;  in snd_cs4281_create()
1365 	chip->dual_codec = dual_codec;  in snd_cs4281_create()
1368 		kfree(chip);  in snd_cs4281_create()
1372 	chip->ba0_addr = pci_resource_start(pci, 0);  in snd_cs4281_create()
1373 	chip->ba1_addr = pci_resource_start(pci, 1);  in snd_cs4281_create()
1375 	chip->ba0 = pci_ioremap_bar(pci, 0);  in snd_cs4281_create()
1376 	chip->ba1 = pci_ioremap_bar(pci, 1);  in snd_cs4281_create()
1377 	if (!chip->ba0 || !chip->ba1) {  in snd_cs4281_create()
1378 		snd_cs4281_free(chip);  in snd_cs4281_create()
1383 			KBUILD_MODNAME, chip)) {  in snd_cs4281_create()
1385 		snd_cs4281_free(chip);  in snd_cs4281_create()
1388 	chip->irq = pci->irq;  in snd_cs4281_create()
1390 	tmp = snd_cs4281_chip_init(chip);  in snd_cs4281_create()
1392 		snd_cs4281_free(chip);  in snd_cs4281_create()
1396 	if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {  in snd_cs4281_create()
1397 		snd_cs4281_free(chip);  in snd_cs4281_create()
1401 	snd_cs4281_proc_init(chip);  in snd_cs4281_create()
1403 	*rchip = chip;  in snd_cs4281_create()
1407 static int snd_cs4281_chip_init(struct cs4281 *chip)  in snd_cs4281_chip_init()  argument
1414 	tmp = snd_cs4281_peekBA0(chip, BA0_EPPMC);  in snd_cs4281_chip_init()
1416 		snd_cs4281_pokeBA0(chip, BA0_EPPMC, tmp & ~BA0_EPPMC_FPDN);  in snd_cs4281_chip_init()
1419 	tmp = snd_cs4281_peekBA0(chip, BA0_CFLR);  in snd_cs4281_chip_init()
1421 		snd_cs4281_pokeBA0(chip, BA0_CFLR, BA0_CFLR_DEFAULT);  in snd_cs4281_chip_init()
1422 		tmp = snd_cs4281_peekBA0(chip, BA0_CFLR);  in snd_cs4281_chip_init()
1424 			dev_err(chip->card->dev,  in snd_cs4281_chip_init()
1433 	snd_cs4281_pokeBA0(chip, BA0_CWPR, 0x4281);  in snd_cs4281_chip_init()
1435 	if ((tmp = snd_cs4281_peekBA0(chip, BA0_SERC1)) != (BA0_SERC1_SO1EN | BA0_SERC1_AC97)) {  in snd_cs4281_chip_init()
1436 		dev_err(chip->card->dev,  in snd_cs4281_chip_init()
1440 	if ((tmp = snd_cs4281_peekBA0(chip, BA0_SERC2)) != (BA0_SERC2_SI1EN | BA0_SERC2_AC97)) {  in snd_cs4281_chip_init()
1441 		dev_err(chip->card->dev,  in snd_cs4281_chip_init()
1447 	snd_cs4281_pokeBA0(chip, BA0_SSPM, BA0_SSPM_MIXEN | BA0_SSPM_CSRCEN |  in snd_cs4281_chip_init()
1456 	snd_cs4281_pokeBA0(chip, BA0_CLKCR1, 0);  in snd_cs4281_chip_init()
1457 	snd_cs4281_pokeBA0(chip, BA0_SERMC, 0);  in snd_cs4281_chip_init()
1461 	snd_cs4281_pokeBA0(chip, BA0_ACCTL, 0);  in snd_cs4281_chip_init()
1468 	snd_cs4281_pokeBA0(chip, BA0_SPMC, 0);  in snd_cs4281_chip_init()
1470 	snd_cs4281_pokeBA0(chip, BA0_SPMC, BA0_SPMC_RSTN);  in snd_cs4281_chip_init()
1473 	if (chip->dual_codec)  in snd_cs4281_chip_init()
1474 		snd_cs4281_pokeBA0(chip, BA0_SPMC, BA0_SPMC_RSTN | BA0_SPMC_ASDI2E);  in snd_cs4281_chip_init()
1479 	snd_cs4281_pokeBA0(chip, BA0_SERMC,  in snd_cs4281_chip_init()
1480 			   (chip->dual_codec ? BA0_SERMC_TCID(chip->dual_codec) : BA0_SERMC_TCID(1)) |  in snd_cs4281_chip_init()
1486 	snd_cs4281_pokeBA0(chip, BA0_CLKCR1, BA0_CLKCR1_DLLP);  in snd_cs4281_chip_init()
1488 	snd_cs4281_pokeBA0(chip, BA0_CLKCR1, BA0_CLKCR1_SWCE | BA0_CLKCR1_DLLP);  in snd_cs4281_chip_init()
1499 		if (snd_cs4281_peekBA0(chip, BA0_CLKCR1) & BA0_CLKCR1_DLLRDY)  in snd_cs4281_chip_init()
1504 	dev_err(chip->card->dev, "DLLRDY not seen\n");  in snd_cs4281_chip_init()
1514 	snd_cs4281_pokeBA0(chip, BA0_ACCTL, BA0_ACCTL_ESYN);  in snd_cs4281_chip_init()
1525 		if (snd_cs4281_peekBA0(chip, BA0_ACSTS) & BA0_ACSTS_CRDY)  in snd_cs4281_chip_init()
1530 	dev_err(chip->card->dev,  in snd_cs4281_chip_init()
1532 		snd_cs4281_peekBA0(chip, BA0_ACSTS));  in snd_cs4281_chip_init()
1536 	if (chip->dual_codec) {  in snd_cs4281_chip_init()
1539 			if (snd_cs4281_peekBA0(chip, BA0_ACSTS2) & BA0_ACSTS_CRDY)  in snd_cs4281_chip_init()
1543 		dev_info(chip->card->dev,  in snd_cs4281_chip_init()
1545 		chip->dual_codec = 0;  in snd_cs4281_chip_init()
1554 	snd_cs4281_pokeBA0(chip, BA0_ACCTL, BA0_ACCTL_VFRM | BA0_ACCTL_ESYN);  in snd_cs4281_chip_init()
1567 …if ((snd_cs4281_peekBA0(chip, BA0_ACISV) & (BA0_ACISV_SLV(3) | BA0_ACISV_SLV(4))) == (BA0_ACISV_SL…  in snd_cs4281_chip_init()
1574 	dev_err(chip->card->dev, "never read ISV3 and ISV4 from AC'97\n");  in snd_cs4281_chip_init()
1583 	snd_cs4281_pokeBA0(chip, BA0_ACOSV, BA0_ACOSV_SLV(3) | BA0_ACOSV_SLV(4));  in snd_cs4281_chip_init()
1589 		struct cs4281_dma *dma = &chip->dma[tmp];  in snd_cs4281_chip_init()
1600 		snd_cs4281_pokeBA0(chip, dma->regFCR,  in snd_cs4281_chip_init()
1607 	chip->src_left_play_slot = 0;	/* AC'97 left PCM playback (3) */  in snd_cs4281_chip_init()
1608 	chip->src_right_play_slot = 1;	/* AC'97 right PCM playback (4) */  in snd_cs4281_chip_init()
1609 	chip->src_left_rec_slot = 10;	/* AC'97 left PCM record (3) */  in snd_cs4281_chip_init()
1610 	chip->src_right_rec_slot = 11;	/* AC'97 right PCM record (4) */  in snd_cs4281_chip_init()
1613 	chip->dma[0].valFCR = BA0_FCR_FEN | BA0_FCR_LS(0) |  in snd_cs4281_chip_init()
1616 		              BA0_FCR_OF(chip->dma[0].fifo_offset);  in snd_cs4281_chip_init()
1617 	snd_cs4281_pokeBA0(chip, chip->dma[0].regFCR, chip->dma[0].valFCR);  in snd_cs4281_chip_init()
1618 	snd_cs4281_pokeBA0(chip, BA0_SRCSA, (chip->src_left_play_slot << 0) |  in snd_cs4281_chip_init()
1619 					    (chip->src_right_play_slot << 8) |  in snd_cs4281_chip_init()
1620 					    (chip->src_left_rec_slot << 16) |  in snd_cs4281_chip_init()
1621 					    (chip->src_right_rec_slot << 24));  in snd_cs4281_chip_init()
1624 	snd_cs4281_pokeBA0(chip, BA0_PPLVC, 0);  in snd_cs4281_chip_init()
1625 	snd_cs4281_pokeBA0(chip, BA0_PPRVC, 0);  in snd_cs4281_chip_init()
1628 	snd_cs4281_pokeBA0(chip, BA0_HICR, BA0_HICR_EOI);  in snd_cs4281_chip_init()
1630 	snd_cs4281_pokeBA0(chip, BA0_HIMR, 0x7fffffff & ~(  in snd_cs4281_chip_init()
1637 	synchronize_irq(chip->irq);  in snd_cs4281_chip_init()
1646 static void snd_cs4281_midi_reset(struct cs4281 *chip)  in snd_cs4281_midi_reset()  argument
1648 	snd_cs4281_pokeBA0(chip, BA0_MIDCR, chip->midcr | BA0_MIDCR_MRST);  in snd_cs4281_midi_reset()
1650 	snd_cs4281_pokeBA0(chip, BA0_MIDCR, chip->midcr);  in snd_cs4281_midi_reset()
1655 	struct cs4281 *chip = substream->rmidi->private_data;  in snd_cs4281_midi_input_open()  local
1657 	spin_lock_irq(&chip->reg_lock);  in snd_cs4281_midi_input_open()
1658  	chip->midcr |= BA0_MIDCR_RXE;  in snd_cs4281_midi_input_open()
1659 	chip->midi_input = substream;  in snd_cs4281_midi_input_open()
1660 	if (!(chip->uartm & CS4281_MODE_OUTPUT)) {  in snd_cs4281_midi_input_open()
1661 		snd_cs4281_midi_reset(chip);  in snd_cs4281_midi_input_open()
1663 		snd_cs4281_pokeBA0(chip, BA0_MIDCR, chip->midcr);  in snd_cs4281_midi_input_open()
1665 	spin_unlock_irq(&chip->reg_lock);  in snd_cs4281_midi_input_open()
1671 	struct cs4281 *chip = substream->rmidi->private_data;  in snd_cs4281_midi_input_close()  local
1673 	spin_lock_irq(&chip->reg_lock);  in snd_cs4281_midi_input_close()
1674 	chip->midcr &= ~(BA0_MIDCR_RXE | BA0_MIDCR_RIE);  in snd_cs4281_midi_input_close()
1675 	chip->midi_input = NULL;  in snd_cs4281_midi_input_close()
1676 	if (!(chip->uartm & CS4281_MODE_OUTPUT)) {  in snd_cs4281_midi_input_close()
1677 		snd_cs4281_midi_reset(chip);  in snd_cs4281_midi_input_close()
1679 		snd_cs4281_pokeBA0(chip, BA0_MIDCR, chip->midcr);  in snd_cs4281_midi_input_close()
1681 	chip->uartm &= ~CS4281_MODE_INPUT;  in snd_cs4281_midi_input_close()
1682 	spin_unlock_irq(&chip->reg_lock);  in snd_cs4281_midi_input_close()
1688 	struct cs4281 *chip = substream->rmidi->private_data;  in snd_cs4281_midi_output_open()  local
1690 	spin_lock_irq(&chip->reg_lock);  in snd_cs4281_midi_output_open()
1691 	chip->uartm |= CS4281_MODE_OUTPUT;  in snd_cs4281_midi_output_open()
1692 	chip->midcr |= BA0_MIDCR_TXE;  in snd_cs4281_midi_output_open()
1693 	chip->midi_output = substream;  in snd_cs4281_midi_output_open()
1694 	if (!(chip->uartm & CS4281_MODE_INPUT)) {  in snd_cs4281_midi_output_open()
1695 		snd_cs4281_midi_reset(chip);  in snd_cs4281_midi_output_open()
1697 		snd_cs4281_pokeBA0(chip, BA0_MIDCR, chip->midcr);  in snd_cs4281_midi_output_open()
1699 	spin_unlock_irq(&chip->reg_lock);  in snd_cs4281_midi_output_open()
1705 	struct cs4281 *chip = substream->rmidi->private_data;  in snd_cs4281_midi_output_close()  local
1707 	spin_lock_irq(&chip->reg_lock);  in snd_cs4281_midi_output_close()
1708 	chip->midcr &= ~(BA0_MIDCR_TXE | BA0_MIDCR_TIE);  in snd_cs4281_midi_output_close()
1709 	chip->midi_output = NULL;  in snd_cs4281_midi_output_close()
1710 	if (!(chip->uartm & CS4281_MODE_INPUT)) {  in snd_cs4281_midi_output_close()
1711 		snd_cs4281_midi_reset(chip);  in snd_cs4281_midi_output_close()
1713 		snd_cs4281_pokeBA0(chip, BA0_MIDCR, chip->midcr);  in snd_cs4281_midi_output_close()
1715 	chip->uartm &= ~CS4281_MODE_OUTPUT;  in snd_cs4281_midi_output_close()
1716 	spin_unlock_irq(&chip->reg_lock);  in snd_cs4281_midi_output_close()
1723 	struct cs4281 *chip = substream->rmidi->private_data;  in snd_cs4281_midi_input_trigger()  local
1725 	spin_lock_irqsave(&chip->reg_lock, flags);  in snd_cs4281_midi_input_trigger()
1727 		if ((chip->midcr & BA0_MIDCR_RIE) == 0) {  in snd_cs4281_midi_input_trigger()
1728 			chip->midcr |= BA0_MIDCR_RIE;  in snd_cs4281_midi_input_trigger()
1729 			snd_cs4281_pokeBA0(chip, BA0_MIDCR, chip->midcr);  in snd_cs4281_midi_input_trigger()
1732 		if (chip->midcr & BA0_MIDCR_RIE) {  in snd_cs4281_midi_input_trigger()
1733 			chip->midcr &= ~BA0_MIDCR_RIE;  in snd_cs4281_midi_input_trigger()
1734 			snd_cs4281_pokeBA0(chip, BA0_MIDCR, chip->midcr);  in snd_cs4281_midi_input_trigger()
1737 	spin_unlock_irqrestore(&chip->reg_lock, flags);  in snd_cs4281_midi_input_trigger()
1743 	struct cs4281 *chip = substream->rmidi->private_data;  in snd_cs4281_midi_output_trigger()  local
1746 	spin_lock_irqsave(&chip->reg_lock, flags);  in snd_cs4281_midi_output_trigger()
1748 		if ((chip->midcr & BA0_MIDCR_TIE) == 0) {  in snd_cs4281_midi_output_trigger()
1749 			chip->midcr |= BA0_MIDCR_TIE;  in snd_cs4281_midi_output_trigger()
1751 			while ((chip->midcr & BA0_MIDCR_TIE) &&  in snd_cs4281_midi_output_trigger()
1752 			       (snd_cs4281_peekBA0(chip, BA0_MIDSR) & BA0_MIDSR_TBF) == 0) {  in snd_cs4281_midi_output_trigger()
1754 					chip->midcr &= ~BA0_MIDCR_TIE;  in snd_cs4281_midi_output_trigger()
1756 					snd_cs4281_pokeBA0(chip, BA0_MIDWP, byte);  in snd_cs4281_midi_output_trigger()
1759 			snd_cs4281_pokeBA0(chip, BA0_MIDCR, chip->midcr);  in snd_cs4281_midi_output_trigger()
1762 		if (chip->midcr & BA0_MIDCR_TIE) {  in snd_cs4281_midi_output_trigger()
1763 			chip->midcr &= ~BA0_MIDCR_TIE;  in snd_cs4281_midi_output_trigger()
1764 			snd_cs4281_pokeBA0(chip, BA0_MIDCR, chip->midcr);  in snd_cs4281_midi_output_trigger()
1767 	spin_unlock_irqrestore(&chip->reg_lock, flags);  in snd_cs4281_midi_output_trigger()
1784 static int snd_cs4281_midi(struct cs4281 *chip, int device)  in snd_cs4281_midi()  argument
1789 	if ((err = snd_rawmidi_new(chip->card, "CS4281", device, 1, 1, &rmidi)) < 0)  in snd_cs4281_midi()
1795 	rmidi->private_data = chip;  in snd_cs4281_midi()
1796 	chip->rmidi = rmidi;  in snd_cs4281_midi()
1806 	struct cs4281 *chip = dev_id;  in snd_cs4281_interrupt()  local
1810 	if (chip == NULL)  in snd_cs4281_interrupt()
1812 	status = snd_cs4281_peekBA0(chip, BA0_HISR);  in snd_cs4281_interrupt()
1814 		snd_cs4281_pokeBA0(chip, BA0_HICR, BA0_HICR_EOI);  in snd_cs4281_interrupt()
1821 				cdma = &chip->dma[dma];  in snd_cs4281_interrupt()
1822 				spin_lock(&chip->reg_lock);  in snd_cs4281_interrupt()
1824 				val = snd_cs4281_peekBA0(chip, cdma->regHDSR);  in snd_cs4281_interrupt()
1830 					chip->spurious_dhtc_irq++;  in snd_cs4281_interrupt()
1831 					spin_unlock(&chip->reg_lock);  in snd_cs4281_interrupt()
1836 					chip->spurious_dtc_irq++;  in snd_cs4281_interrupt()
1837 					spin_unlock(&chip->reg_lock);  in snd_cs4281_interrupt()
1840 				spin_unlock(&chip->reg_lock);  in snd_cs4281_interrupt()
1845 	if ((status & BA0_HISR_MIDI) && chip->rmidi) {  in snd_cs4281_interrupt()
1848 		spin_lock(&chip->reg_lock);  in snd_cs4281_interrupt()
1849 		while ((snd_cs4281_peekBA0(chip, BA0_MIDSR) & BA0_MIDSR_RBE) == 0) {  in snd_cs4281_interrupt()
1850 			c = snd_cs4281_peekBA0(chip, BA0_MIDRP);  in snd_cs4281_interrupt()
1851 			if ((chip->midcr & BA0_MIDCR_RIE) == 0)  in snd_cs4281_interrupt()
1853 			snd_rawmidi_receive(chip->midi_input, &c, 1);  in snd_cs4281_interrupt()
1855 		while ((snd_cs4281_peekBA0(chip, BA0_MIDSR) & BA0_MIDSR_TBF) == 0) {  in snd_cs4281_interrupt()
1856 			if ((chip->midcr & BA0_MIDCR_TIE) == 0)  in snd_cs4281_interrupt()
1858 			if (snd_rawmidi_transmit(chip->midi_output, &c, 1) != 1) {  in snd_cs4281_interrupt()
1859 				chip->midcr &= ~BA0_MIDCR_TIE;  in snd_cs4281_interrupt()
1860 				snd_cs4281_pokeBA0(chip, BA0_MIDCR, chip->midcr);  in snd_cs4281_interrupt()
1863 			snd_cs4281_pokeBA0(chip, BA0_MIDWP, c);  in snd_cs4281_interrupt()
1865 		spin_unlock(&chip->reg_lock);  in snd_cs4281_interrupt()
1869 	snd_cs4281_pokeBA0(chip, BA0_HICR, BA0_HICR_EOI);  in snd_cs4281_interrupt()
1882 	struct cs4281 *chip = opl3->private_data;  in snd_cs4281_opl3_command()  local
1886 		port = chip->ba0 + BA0_B1AP; /* right port */  in snd_cs4281_opl3_command()
1888 		port = chip->ba0 + BA0_B0AP; /* left port */  in snd_cs4281_opl3_command()
1906 	struct cs4281 *chip;  in snd_cs4281_probe()  local
1922 	if ((err = snd_cs4281_create(card, pci, &chip, dual_codec[dev])) < 0) {  in snd_cs4281_probe()
1926 	card->private_data = chip;  in snd_cs4281_probe()
1928 	if ((err = snd_cs4281_mixer(chip)) < 0) {  in snd_cs4281_probe()
1932 	if ((err = snd_cs4281_pcm(chip, 0)) < 0) {  in snd_cs4281_probe()
1936 	if ((err = snd_cs4281_midi(chip, 0)) < 0) {  in snd_cs4281_probe()
1944 	opl3->private_data = chip;  in snd_cs4281_probe()
1951 	snd_cs4281_create_gameport(chip);  in snd_cs4281_probe()
1956 		chip->ba0_addr,  in snd_cs4281_probe()
1957 		chip->irq);  in snd_cs4281_probe()
2000 	struct cs4281 *chip = card->private_data;  in cs4281_suspend()  local
2005 	snd_pcm_suspend_all(chip->pcm);  in cs4281_suspend()
2007 	snd_ac97_suspend(chip->ac97);  in cs4281_suspend()
2008 	snd_ac97_suspend(chip->ac97_secondary);  in cs4281_suspend()
2010 	ulCLK = snd_cs4281_peekBA0(chip, BA0_CLKCR1);  in cs4281_suspend()
2012 	snd_cs4281_pokeBA0(chip, BA0_CLKCR1, ulCLK);  in cs4281_suspend()
2015 	snd_cs4281_pokeBA0(chip, BA0_HICR, BA0_HICR_CHGM);  in cs4281_suspend()
2020 			chip->suspend_regs[i] = snd_cs4281_peekBA0(chip, saved_regs[i]);  in cs4281_suspend()
2023 	snd_cs4281_pokeBA0(chip, BA0_SERMC, 0);  in cs4281_suspend()
2026 	snd_cs4281_pokeBA0(chip, BA0_SSPM, 0);  in cs4281_suspend()
2029 	snd_cs4281_pokeBA0(chip, BA0_CLKCR1, 0);  in cs4281_suspend()
2032 	snd_cs4281_pokeBA0(chip, BA0_SPMC, 0);  in cs4281_suspend()
2034 	ulCLK = snd_cs4281_peekBA0(chip, BA0_CLKCR1);  in cs4281_suspend()
2036 	snd_cs4281_pokeBA0(chip, BA0_CLKCR1, ulCLK);  in cs4281_suspend()
2043 	struct cs4281 *chip = card->private_data;  in cs4281_resume()  local
2047 	ulCLK = snd_cs4281_peekBA0(chip, BA0_CLKCR1);  in cs4281_resume()
2049 	snd_cs4281_pokeBA0(chip, BA0_CLKCR1, ulCLK);  in cs4281_resume()
2051 	snd_cs4281_chip_init(chip);  in cs4281_resume()
2056 			snd_cs4281_pokeBA0(chip, saved_regs[i], chip->suspend_regs[i]);  in cs4281_resume()
2058 	snd_ac97_resume(chip->ac97);  in cs4281_resume()
2059 	snd_ac97_resume(chip->ac97_secondary);  in cs4281_resume()
2061 	ulCLK = snd_cs4281_peekBA0(chip, BA0_CLKCR1);  in cs4281_resume()
2063 	snd_cs4281_pokeBA0(chip, BA0_CLKCR1, ulCLK);  in cs4281_resume()