| Vignesh R | ffcc66e | 2019-02-05 17:31:24 +0530 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | /* |
| 3 | * Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com |
| 4 | * Author: Peter Ujfalusi <peter.ujfalusi@ti.com> |
| 5 | */ |
| 6 | |
| 7 | #ifndef __TI_UDMA_H |
| 8 | #define __TI_UDMA_H |
| 9 | |
| 10 | /** |
| 11 | * struct ti_udma_drv_packet_data - TI UDMA transfer specific data |
| 12 | * |
| 13 | * @pkt_type: Packet Type - specific for each DMA client HW |
| 14 | * @dest_tag: Destination tag The source pointer. |
| 15 | * |
| 16 | * TI UDMA transfer specific data passed as part of DMA transfer to |
| 17 | * the DMA client HW in UDMA descriptors. |
| 18 | */ |
| 19 | struct ti_udma_drv_packet_data { |
| 20 | u32 pkt_type; |
| 21 | u32 dest_tag; |
| 22 | }; |
| 23 | |
| Vignesh Raghavendra | 5e6d9cc | 2019-12-04 22:17:21 +0530 | [diff] [blame] | 24 | /** |
| 25 | * struct ti_udma_drv_chan_cfg_data - TI UDMA per channel specific |
| 26 | * configuration data |
| 27 | * |
| 28 | * @flow_id_base: Start index of flow ID allocated to this channel |
| 29 | * @flow_id_cnt: Number of flows allocated for this channel starting at |
| 30 | * flow_id_base |
| 31 | * |
| 32 | * TI UDMA channel specific data returned as part of dma_get_cfg() call |
| 33 | * from the DMA client driver. |
| 34 | */ |
| 35 | struct ti_udma_drv_chan_cfg_data { |
| 36 | u32 flow_id_base; |
| 37 | u32 flow_id_cnt; |
| 38 | }; |
| 39 | |
| 40 | /* TI UDMA specific flag IDs for dma_get_cfg() call */ |
| 41 | #define TI_UDMA_CHAN_PRIV_INFO 0 |
| 42 | |
| Vignesh R | ffcc66e | 2019-02-05 17:31:24 +0530 | [diff] [blame] | 43 | #endif /* __TI_UDMA_H */ |