-
-static int ide_mapped_mmio_dma(ide_hwif_t *hwif, unsigned long base)
-{
- printk(KERN_INFO " %s: MMIO-DMA ", hwif->name);
-
- return 0;
-}
-
-static int ide_iomio_dma(ide_hwif_t *hwif, unsigned long base)
-{
- printk(KERN_INFO " %s: BM-DMA at 0x%04lx-0x%04lx",
- hwif->name, base, base + 7);
-
- if (!request_region(base, 8, hwif->name)) {
- printk(" -- Error, ports in use.\n");
- return 1;
- }
-
- if (hwif->cds->extra) {
- hwif->extra_base = base + (hwif->channel ? 8 : 16);
-
- if (!hwif->mate || !hwif->mate->extra_ports) {
- if (!request_region(hwif->extra_base,
- hwif->cds->extra, hwif->cds->name)) {
- printk(" -- Error, extra ports in use.\n");
- release_region(base, 8);
- return 1;
- }
- hwif->extra_ports = hwif->cds->extra;
- }
- }
-
- return 0;
-}
-
-static int ide_dma_iobase(ide_hwif_t *hwif, unsigned long base)
-{
- if (hwif->mmio)
- return ide_mapped_mmio_dma(hwif, base);
-
- return ide_iomio_dma(hwif, base);
-}
+EXPORT_SYMBOL_GPL(ide_allocate_dma_engine);
+
+static const struct ide_dma_ops sff_dma_ops = {
+ .dma_host_set = ide_dma_host_set,
+ .dma_setup = ide_dma_setup,
+ .dma_exec_cmd = ide_dma_exec_cmd,
+ .dma_start = ide_dma_start,
+ .dma_end = __ide_dma_end,
+ .dma_test_irq = ide_dma_test_irq,
+ .dma_timeout = ide_dma_timeout,
+ .dma_lost_irq = ide_dma_lost_irq,
+};