42 MODULE_PARM_DESC(atapi_dma, "Enable ATAPI DMA (0=disable, 1=enable)");
71 	if (pdev->subsystem_vendor == 0x10CF && pdev->subsystem_device == 0x10AF)  in ali_cable_override()
74 	if (pdev->subsystem_vendor == 0x1071 && pdev->subsystem_device == 0x8317)  in ali_cable_override()
79 	return 0;  in ali_cable_override()
100 	/* Host view cable detect 0x4A bit 0 primary bit 1 secondary  in ali_c2_cable_detect()
102 	pci_read_config_byte(pdev, 0x4A, &ata66);  in ali_c2_cable_detect()
134  *	@on: 0 for off 1 for on
144 	int pio_fifo = 0x54 + ap->port_no;  in ali_fifo_control()
148 	/* ATA - FIFO on set nibble to 0x05, ATAPI - FIFO off, set nibble to  in ali_fifo_control()
149 	   0x00. Not all the docs agree but the behaviour we now use is the  in ali_fifo_control()
153 	fifo &= ~(0x0F << shift);  in ali_fifo_control()
173 	int cas = 0x58 + 4 * ap->port_no;	/* Command timing */  in ali_program_modes()
174 	int cbt = 0x59 + 4 * ap->port_no;	/* Command timing */  in ali_program_modes()
175 	int drwt = 0x5A + 4 * ap->port_no + adev->devno; /* R/W timing */  in ali_program_modes()
176 	int udmat = 0x56 + ap->port_no;	/* UDMA timing */  in ali_program_modes()
194 	udma &= ~(0x0F << shift);  in ali_program_modes()
226 		ali_fifo_control(ap, adev, 0x00);  in ali_set_piomode()
227 	ali_program_modes(ap, adev, &t, 0);  in ali_set_piomode()
229 		ali_fifo_control(ap, adev, 0x05);  in ali_set_piomode()
243 	static u8 udma_timing[7] = { 0xC, 0xB, 0xA, 0x9, 0x8, 0xF, 0xD };  in ali_set_dmamode()
251 		ali_fifo_control(ap, adev, 0x08);  in ali_set_dmamode()
257 			pci_read_config_byte(pdev, 0x4B, &reg4b);  in ali_set_dmamode()
259 			pci_write_config_byte(pdev, 0x4B, reg4b);  in ali_set_dmamode()
272 		ali_program_modes(ap, adev, &t, 0);  in ali_set_dmamode()
336 	if (atapi_cmd_type(qc->cdb[0]) == ATAPI_MISC)  in ali_check_atapi_dma()
338 	return 0;  in ali_check_atapi_dma()
349 		pci_read_config_byte(ali_isa_bridge, 0x58, &r);  in ali_c2_c3_postreset()
351 		pci_write_config_byte(ali_isa_bridge, 0x58, r);  in ali_c2_c3_postreset()
353 		pci_write_config_byte(ali_isa_bridge, 0x58, r);  in ali_c2_c3_postreset()
441 	if (pdev->revision <= 0x20) {  in ali_init_chipset()
442 		pci_read_config_byte(pdev, 0x53, &tmp);  in ali_init_chipset()
443 		tmp |= 0x03;  in ali_init_chipset()
444 		pci_write_config_byte(pdev, 0x53, tmp);  in ali_init_chipset()
446 		pci_read_config_byte(pdev, 0x4a, &tmp);  in ali_init_chipset()
447 		pci_write_config_byte(pdev, 0x4a, tmp | 0x20);  in ali_init_chipset()
448 		pci_read_config_byte(pdev, 0x4B, &tmp);  in ali_init_chipset()
449 		if (pdev->revision < 0xC2)  in ali_init_chipset()
452 			tmp &= 0x7F;  in ali_init_chipset()
454 		if (pdev->revision >= 0xc2)  in ali_init_chipset()
455 			tmp |= 0x01;  in ali_init_chipset()
456 		pci_write_config_byte(pdev, 0x4B, tmp | 0x08);  in ali_init_chipset()
458 		 * CD_ROM DMA on (0x53 bit 0). Enable this even if we want  in ali_init_chipset()
459 		 * to use PIO. 0x53 bit 1 (rev 20 only) - enable FIFO control  in ali_init_chipset()
460 		 * via 0x54/55.  in ali_init_chipset()
462 		pci_read_config_byte(pdev, 0x53, &tmp);  in ali_init_chipset()
463 		if (pdev->revision >= 0xc7)  in ali_init_chipset()
464 			tmp |= 0x03;  in ali_init_chipset()
466 			tmp |= 0x01;	/* CD_ROM enable for DMA */  in ali_init_chipset()
467 		pci_write_config_byte(pdev, 0x53, tmp);  in ali_init_chipset()
469 	north = pci_get_domain_bus_and_slot(pci_domain_nr(pdev->bus), 0,  in ali_init_chipset()
470 					    PCI_DEVFN(0, 0));  in ali_init_chipset()
474 		pci_read_config_byte(ali_isa_bridge, 0x79, &tmp);  in ali_init_chipset()
475 		if (pdev->revision == 0xC2)  in ali_init_chipset()
476 			pci_write_config_byte(ali_isa_bridge, 0x79, tmp | 0x04);  in ali_init_chipset()
477 		else if (pdev->revision > 0xC2 && pdev->revision < 0xC5)  in ali_init_chipset()
478 			pci_write_config_byte(ali_isa_bridge, 0x79, tmp | 0x02);  in ali_init_chipset()
499 	/* Revision 0x20 added DMA */  in ali_init_one()
507 	/* Revision 0x20 with support logic added UDMA */  in ali_init_one()
516 	/* Revision 0xC2 adds UDMA66 */  in ali_init_one()
525 	/* Revision 0xC3 is UDMA66 for now */  in ali_init_one()
534 	/* Revision 0xC4 is UDMA100 */  in ali_init_one()
543 	/* Revision 0xC5 is UDMA133 with LBA48 DMA */  in ali_init_one()
565 	if (pdev->revision < 0x20) {  in ali_init_one()
566 		ppi[0] = &info_early;  in ali_init_one()
567 	} else if (pdev->revision < 0xC2) {  in ali_init_one()
568         	ppi[0] = &info_20;  in ali_init_one()
569 	} else if (pdev->revision == 0xC2) {  in ali_init_one()
570         	ppi[0] = &info_c2;  in ali_init_one()
571 	} else if (pdev->revision == 0xC3) {  in ali_init_one()
572         	ppi[0] = &info_c3;  in ali_init_one()
573 	} else if (pdev->revision == 0xC4) {  in ali_init_one()
574         	ppi[0] = &info_c4;  in ali_init_one()
576         	ppi[0] = &info_c5;  in ali_init_one()
580 	if (ali_isa_bridge && pdev->revision >= 0x20 && pdev->revision < 0xC2) {  in ali_init_one()
582 		pci_read_config_byte(ali_isa_bridge, 0x5E, &tmp);  in ali_init_one()
583 		if ((tmp & 0x1E) == 0x12)  in ali_init_one()
584 	        	ppi[0] = &info_20_udma;  in ali_init_one()
587 	if (!ppi[0]->mwdma_mask && !ppi[0]->udma_mask)  in ali_init_one()
588 		return ata_pci_sff_init_one(pdev, ppi, &ali_sht, NULL, 0);  in ali_init_one()
590 		return ata_pci_bmdma_init_one(pdev, ppi, &ali_sht, NULL, 0);  in ali_init_one()
604 	return 0;  in ali_reinit_one()
632 	if (ret < 0)  in ali_init()