93 	ide_hwif_t *hwif = drive->hwif;  in ide_dma_intr()  local
94 	struct ide_cmd *cmd = &hwif->cmd;  in ide_dma_intr()
98 	dma_stat = hwif->dma_ops->dma_end(drive);  in ide_dma_intr()
100 	stat = hwif->tp_ops->read_status(hwif);  in ide_dma_intr()
135 	ide_hwif_t *hwif = drive->hwif;  in ide_dma_map_sg()  local
136 	struct scatterlist *sg = hwif->sg_table;  in ide_dma_map_sg()
144 	i = dma_map_sg(hwif->dev, sg, cmd->sg_nents, cmd->sg_dma_direction);  in ide_dma_map_sg()
166 	ide_hwif_t *hwif = drive->hwif;  in ide_dma_unmap_sg()  local
168 	dma_unmap_sg(hwif->dev, hwif->sg_table, cmd->orig_sg_nents,  in ide_dma_unmap_sg()
185 	drive->hwif->dma_ops->dma_host_set(drive, 0);  in ide_dma_off_quietly()
216 	drive->hwif->dma_ops->dma_host_set(drive, 1);  in ide_dma_on()
242 	ide_hwif_t *hwif = drive->hwif;  in ide_get_mode_mask()  local
243 	const struct ide_port_ops *port_ops = hwif->port_ops;  in ide_get_mode_mask()
254 			mask &= hwif->ultra_mask;  in ide_get_mode_mask()
277 			mask &= hwif->mwdma_mask;  in ide_get_mode_mask()
291 		mask &= hwif->swdma_mask;  in ide_get_mode_mask()
315 	ide_hwif_t *hwif = drive->hwif;  in ide_find_dma_mode()  local
321 		if (hwif->host_flags & IDE_HFLAG_NO_ATAPI_DMA)  in ide_find_dma_mode()
336 	if (hwif->chipset == ide_acorn && mode == 0) {  in ide_find_dma_mode()
355 	ide_hwif_t *hwif = drive->hwif;  in ide_tune_dma()  local
366 	if (hwif->host_flags & IDE_HFLAG_TRUST_BIOS_FOR_DMA)  in ide_tune_dma()
382 	ide_hwif_t *hwif = drive->hwif;  in ide_dma_check()  local
388 	if (hwif->host_flags & IDE_HFLAG_TRUST_BIOS_FOR_DMA)  in ide_dma_check()
450 	ide_hwif_t *hwif = drive->hwif;  in ide_dma_timeout_retry()  local
451 	const struct ide_dma_ops *dma_ops = hwif->dma_ops;  in ide_dma_timeout_retry()
452 	struct ide_cmd *cmd = &hwif->cmd;  in ide_dma_timeout_retry()
465 				hwif->tp_ops->read_status(hwif));  in ide_dma_timeout_retry()
473 					hwif->tp_ops->read_status(hwif));  in ide_dma_timeout_retry()
492 	if (hwif->rq)  in ide_dma_timeout_retry()
493 		hwif->rq->errors = 0;  in ide_dma_timeout_retry()
497 void ide_release_dma_engine(ide_hwif_t *hwif)  in ide_release_dma_engine()  argument
499 	if (hwif->dmatable_cpu) {  in ide_release_dma_engine()
500 		int prd_size = hwif->prd_max_nents * hwif->prd_ent_size;  in ide_release_dma_engine()
502 		dma_free_coherent(hwif->dev, prd_size,  in ide_release_dma_engine()
503 				  hwif->dmatable_cpu, hwif->dmatable_dma);  in ide_release_dma_engine()
504 		hwif->dmatable_cpu = NULL;  in ide_release_dma_engine()
509 int ide_allocate_dma_engine(ide_hwif_t *hwif)  in ide_allocate_dma_engine()  argument
513 	if (hwif->prd_max_nents == 0)  in ide_allocate_dma_engine()
514 		hwif->prd_max_nents = PRD_ENTRIES;  in ide_allocate_dma_engine()
515 	if (hwif->prd_ent_size == 0)  in ide_allocate_dma_engine()
516 		hwif->prd_ent_size = PRD_BYTES;  in ide_allocate_dma_engine()
518 	prd_size = hwif->prd_max_nents * hwif->prd_ent_size;  in ide_allocate_dma_engine()
520 	hwif->dmatable_cpu = dma_alloc_coherent(hwif->dev, prd_size,  in ide_allocate_dma_engine()
521 						&hwif->dmatable_dma,  in ide_allocate_dma_engine()
523 	if (hwif->dmatable_cpu == NULL) {  in ide_allocate_dma_engine()
525 			hwif->name);  in ide_allocate_dma_engine()
535 	const struct ide_dma_ops *dma_ops = drive->hwif->dma_ops;  in ide_dma_prepare()