k3-psil.c 1.1 KB

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  1. // SPDX-License-Identifier: GPL-2.0
  2. /*
  3. * Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com
  4. * Author: Peter Ujfalusi <peter.ujfalusi@ti.com>
  5. */
  6. #include <linux/kernel.h>
  7. #include <linux/err.h>
  8. #include "k3-psil-priv.h"
  9. static const struct psil_ep_map *soc_ep_map;
  10. struct psil_endpoint_config *psil_get_ep_config(u32 thread_id)
  11. {
  12. int i;
  13. if (!soc_ep_map) {
  14. if (IS_ENABLED(CONFIG_SOC_K3_AM6))
  15. soc_ep_map = &am654_ep_map;
  16. else if (IS_ENABLED(CONFIG_SOC_K3_J721E))
  17. soc_ep_map = &j721e_ep_map;
  18. else if (IS_ENABLED(CONFIG_SOC_K3_AM642))
  19. soc_ep_map = &am64_ep_map;
  20. }
  21. if (thread_id & K3_PSIL_DST_THREAD_ID_OFFSET && soc_ep_map->dst) {
  22. /* check in destination thread map */
  23. for (i = 0; i < soc_ep_map->dst_count; i++) {
  24. if (soc_ep_map->dst[i].thread_id == thread_id)
  25. return &soc_ep_map->dst[i].ep_config;
  26. }
  27. }
  28. thread_id &= ~K3_PSIL_DST_THREAD_ID_OFFSET;
  29. if (soc_ep_map->src) {
  30. for (i = 0; i < soc_ep_map->src_count; i++) {
  31. if (soc_ep_map->src[i].thread_id == thread_id)
  32. return &soc_ep_map->src[i].ep_config;
  33. }
  34. }
  35. return ERR_PTR(-ENOENT);
  36. }