xref: /openbmc/linux/drivers/dma/ti/k3-psil-priv.h (revision 10756dc5)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  *  Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com
4  */
5 
6 #ifndef K3_PSIL_PRIV_H_
7 #define K3_PSIL_PRIV_H_
8 
9 #include <linux/dma/k3-psil.h>
10 
11 struct psil_ep {
12 	u32 thread_id;
13 	struct psil_endpoint_config ep_config;
14 };
15 
16 /**
17  * struct psil_ep_map - PSI-L thread ID configuration maps
18  * @name:	Name of the map, set it to the name of the SoC
19  * @src:	Array of source PSI-L thread configurations
20  * @src_count:	Number of entries in the src array
21  * @dst:	Array of destination PSI-L thread configurations
22  * @dst_count:	Number of entries in the dst array
23  *
24  * In case of symmetric configuration for a matching src/dst thread (for example
25  * 0x4400 and 0xc400) only the src configuration can be present. If no dst
26  * configuration found the code will look for (dst_thread_id & ~0x8000) to find
27  * the symmetric match.
28  */
29 struct psil_ep_map {
30 	char *name;
31 	struct psil_ep	*src;
32 	int src_count;
33 	struct psil_ep	*dst;
34 	int dst_count;
35 };
36 
37 struct psil_endpoint_config *psil_get_ep_config(u32 thread_id);
38 
39 /* SoC PSI-L endpoint maps */
40 extern struct psil_ep_map am654_ep_map;
41 extern struct psil_ep_map j721e_ep_map;
42 extern struct psil_ep_map j7200_ep_map;
43 extern struct psil_ep_map am64_ep_map;
44 extern struct psil_ep_map j721s2_ep_map;
45 
46 #endif /* K3_PSIL_PRIV_H_ */
47