drivers/dma/ti/k3-psil-priv.h

   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
  45 #endif /* K3_PSIL_PRIV_H_ */