xref: /OK3568_Linux_fs/kernel/drivers/dma/ti/k3-psil-priv.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  *  Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com
4*4882a593Smuzhiyun  */
5*4882a593Smuzhiyun 
6*4882a593Smuzhiyun #ifndef K3_PSIL_PRIV_H_
7*4882a593Smuzhiyun #define K3_PSIL_PRIV_H_
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun #include <linux/dma/k3-psil.h>
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun struct psil_ep {
12*4882a593Smuzhiyun 	u32 thread_id;
13*4882a593Smuzhiyun 	struct psil_endpoint_config ep_config;
14*4882a593Smuzhiyun };
15*4882a593Smuzhiyun 
16*4882a593Smuzhiyun /**
17*4882a593Smuzhiyun  * struct psil_ep_map - PSI-L thread ID configuration maps
18*4882a593Smuzhiyun  * @name:	Name of the map, set it to the name of the SoC
19*4882a593Smuzhiyun  * @src:	Array of source PSI-L thread configurations
20*4882a593Smuzhiyun  * @src_count:	Number of entries in the src array
21*4882a593Smuzhiyun  * @dst:	Array of destination PSI-L thread configurations
22*4882a593Smuzhiyun  * @dst_count:	Number of entries in the dst array
23*4882a593Smuzhiyun  *
24*4882a593Smuzhiyun  * In case of symmetric configuration for a matching src/dst thread (for example
25*4882a593Smuzhiyun  * 0x4400 and 0xc400) only the src configuration can be present. If no dst
26*4882a593Smuzhiyun  * configuration found the code will look for (dst_thread_id & ~0x8000) to find
27*4882a593Smuzhiyun  * the symmetric match.
28*4882a593Smuzhiyun  */
29*4882a593Smuzhiyun struct psil_ep_map {
30*4882a593Smuzhiyun 	char *name;
31*4882a593Smuzhiyun 	struct psil_ep	*src;
32*4882a593Smuzhiyun 	int src_count;
33*4882a593Smuzhiyun 	struct psil_ep	*dst;
34*4882a593Smuzhiyun 	int dst_count;
35*4882a593Smuzhiyun };
36*4882a593Smuzhiyun 
37*4882a593Smuzhiyun struct psil_endpoint_config *psil_get_ep_config(u32 thread_id);
38*4882a593Smuzhiyun 
39*4882a593Smuzhiyun /* SoC PSI-L endpoint maps */
40*4882a593Smuzhiyun extern struct psil_ep_map am654_ep_map;
41*4882a593Smuzhiyun extern struct psil_ep_map j721e_ep_map;
42*4882a593Smuzhiyun extern struct psil_ep_map j7200_ep_map;
43*4882a593Smuzhiyun 
44*4882a593Smuzhiyun #endif /* K3_PSIL_PRIV_H_ */
45