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 
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 
43 #endif /* __TI_UDMA_H */
44