Lines Matching refs:hwif
61 * @hwif: IDE interface
67 unsigned long ide_pci_dma_base(ide_hwif_t *hwif, const struct ide_port_info *d)
69 struct pci_dev *dev = to_pci_dev(hwif->dev);
72 if (hwif->host_flags & IDE_HFLAG_MMIO)
73 return hwif->dma_base;
75 if (hwif->mate && hwif->mate->dma_base) {
76 dma_base = hwif->mate->dma_base - (hwif->channel ? 0 : 8);
89 if (hwif->channel)
96 int ide_pci_check_simplex(ide_hwif_t *hwif, const struct ide_port_info *d)
98 struct pci_dev *dev = to_pci_dev(hwif->dev);
105 if (ide_pci_clear_simplex(hwif->dma_base, d->name))
111 dma_stat = hwif->dma_ops->dma_sff_read_status(hwif);
112 if ((dma_stat & 0x80) && hwif->mate && hwif->mate->dma_base) {
333 * @hwif: IDE interface
341 int ide_hwif_setup_dma(ide_hwif_t *hwif, const struct ide_port_info *d)
343 struct pci_dev *dev = to_pci_dev(hwif->dev);
348 unsigned long base = ide_pci_dma_base(hwif, d);
353 hwif->dma_base = base;
355 if (hwif->dma_ops == NULL)
356 hwif->dma_ops = &sff_dma_ops;
358 if (ide_pci_check_simplex(hwif, d) < 0)
364 if (hwif->host_flags & IDE_HFLAG_MMIO)
365 printk(KERN_INFO " %s: MMIO-DMA\n", hwif->name);
368 hwif->name, base, base + 7);
370 hwif->extra_base = base + (hwif->channel ? 8 : 16);
372 if (ide_allocate_dma_engine(hwif))