| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com |
| * Author: Peter Ujfalusi <peter.ujfalusi@ti.com> |
| */ |
| |
| #ifndef __TI_UDMA_H |
| #define __TI_UDMA_H |
| |
| /** |
| * struct ti_udma_drv_packet_data - TI UDMA transfer specific data |
| * |
| * @pkt_type: Packet Type - specific for each DMA client HW |
| * @dest_tag: Destination tag The source pointer. |
| * |
| * TI UDMA transfer specific data passed as part of DMA transfer to |
| * the DMA client HW in UDMA descriptors. |
| */ |
| struct ti_udma_drv_packet_data { |
| u32 pkt_type; |
| u32 dest_tag; |
| }; |
| |
| /** |
| * struct ti_udma_drv_chan_cfg_data - TI UDMA per channel specific |
| * configuration data |
| * |
| * @flow_id_base: Start index of flow ID allocated to this channel |
| * @flow_id_cnt: Number of flows allocated for this channel starting at |
| * flow_id_base |
| * |
| * TI UDMA channel specific data returned as part of dma_get_cfg() call |
| * from the DMA client driver. |
| */ |
| struct ti_udma_drv_chan_cfg_data { |
| u32 flow_id_base; |
| u32 flow_id_cnt; |
| }; |
| |
| /* TI UDMA specific flag IDs for dma_get_cfg() call */ |
| #define TI_UDMA_CHAN_PRIV_INFO 0 |
| |
| #endif /* __TI_UDMA_H */ |