linux/drivers/dma/ti/k3-psil-priv.h
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   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
  11struct 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 */
  29struct 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
  37struct psil_endpoint_config *psil_get_ep_config(u32 thread_id);
  38
  39/* SoC PSI-L endpoint maps */
  40extern struct psil_ep_map am654_ep_map;
  41extern struct psil_ep_map j721e_ep_map;
  42extern struct psil_ep_map j7200_ep_map;
  43extern struct psil_ep_map am64_ep_map;
  44
  45#endif /* K3_PSIL_PRIV_H_ */
  46