-
-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);
-}
-
-void ide_setup_dma(ide_hwif_t *hwif, unsigned long base)
-{
- u8 dma_stat;
-
- if (ide_dma_iobase(hwif, base))
- return;
-
- if (ide_allocate_dma_engine(hwif)) {
- ide_release_dma(hwif);
- return;
- }
-
- hwif->dma_base = base;
-
- if (!hwif->dma_command)
- hwif->dma_command = hwif->dma_base + 0;
- if (!hwif->dma_vendor1)
- hwif->dma_vendor1 = hwif->dma_base + 1;
- if (!hwif->dma_status)
- hwif->dma_status = hwif->dma_base + 2;
- if (!hwif->dma_vendor3)
- hwif->dma_vendor3 = hwif->dma_base + 3;
- if (!hwif->dma_prdtable)
- hwif->dma_prdtable = hwif->dma_base + 4;
-
- if (!hwif->dma_host_set)
- hwif->dma_host_set = &ide_dma_host_set;
- if (!hwif->dma_setup)
- hwif->dma_setup = &ide_dma_setup;
- if (!hwif->dma_exec_cmd)
- hwif->dma_exec_cmd = &ide_dma_exec_cmd;
- if (!hwif->dma_start)
- hwif->dma_start = &ide_dma_start;
- if (!hwif->ide_dma_end)
- hwif->ide_dma_end = &__ide_dma_end;
- if (!hwif->ide_dma_test_irq)
- hwif->ide_dma_test_irq = &__ide_dma_test_irq;
- if (!hwif->dma_timeout)
- hwif->dma_timeout = &ide_dma_timeout;
- if (!hwif->dma_lost_irq)
- hwif->dma_lost_irq = &ide_dma_lost_irq;
-
- dma_stat = hwif->INB(hwif->dma_status);
- printk(KERN_CONT ", BIOS settings: %s:%s, %s:%s\n",
- hwif->drives[0].name, (dma_stat & 0x20) ? "DMA" : "PIO",
- hwif->drives[1].name, (dma_stat & 0x40) ? "DMA" : "PIO");
-}
-
-EXPORT_SYMBOL_GPL(ide_setup_dma);
+EXPORT_SYMBOL_GPL(ide_allocate_dma_engine);
+
+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,
+};
+EXPORT_SYMBOL_GPL(sff_dma_ops);