80 unsigned long ide_pci_dma_base(ide_hwif_t *hwif, const struct ide_port_info *d)  in ide_pci_dma_base()  argument
82 	struct pci_dev *dev = to_pci_dev(hwif->dev);  in ide_pci_dma_base()
85 	if (hwif->host_flags & IDE_HFLAG_MMIO)  in ide_pci_dma_base()
86 		return hwif->dma_base;  in ide_pci_dma_base()
88 	if (hwif->mate && hwif->mate->dma_base) {  in ide_pci_dma_base()
89 		dma_base = hwif->mate->dma_base - (hwif->channel ? 0 : 8);  in ide_pci_dma_base()
102 	if (hwif->channel)  in ide_pci_dma_base()
109 int ide_pci_check_simplex(ide_hwif_t *hwif, const struct ide_port_info *d)  in ide_pci_check_simplex()  argument
111 	struct pci_dev *dev = to_pci_dev(hwif->dev);  in ide_pci_check_simplex()
118 		if (ide_pci_clear_simplex(hwif->dma_base, d->name))  in ide_pci_check_simplex()
134 	dma_stat = hwif->dma_ops->dma_sff_read_status(hwif);  in ide_pci_check_simplex()
135 	if ((dma_stat & 0x80) && hwif->mate && hwif->mate->dma_base) {  in ide_pci_check_simplex()
364 int ide_hwif_setup_dma(ide_hwif_t *hwif, const struct ide_port_info *d)  in ide_hwif_setup_dma()  argument
366 	struct pci_dev *dev = to_pci_dev(hwif->dev);  in ide_hwif_setup_dma()
371 		unsigned long base = ide_pci_dma_base(hwif, d);  in ide_hwif_setup_dma()
376 		hwif->dma_base = base;  in ide_hwif_setup_dma()
378 		if (hwif->dma_ops == NULL)  in ide_hwif_setup_dma()
379 			hwif->dma_ops = &sff_dma_ops;  in ide_hwif_setup_dma()
381 		if (ide_pci_check_simplex(hwif, d) < 0)  in ide_hwif_setup_dma()
387 		if (hwif->host_flags & IDE_HFLAG_MMIO)  in ide_hwif_setup_dma()
388 			printk(KERN_INFO "    %s: MMIO-DMA\n", hwif->name);  in ide_hwif_setup_dma()
391 					 hwif->name, base, base + 7);  in ide_hwif_setup_dma()
393 		hwif->extra_base = base + (hwif->channel ? 8 : 16);  in ide_hwif_setup_dma()
395 		if (ide_allocate_dma_engine(hwif))  in ide_hwif_setup_dma()