drivers/bus/fslmc/mc/fsl_dpcon.h

   1 /* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0)
   2  *
   3  * Copyright 2013-2016 Freescale Semiconductor Inc.
   4  * Copyright 2017-2019 NXP
   5  *
   6  */
   7 #ifndef __FSL_DPCON_H
   8 #define __FSL_DPCON_H
   9
  10 /* Data Path Concentrator API
  11  * Contains initialization APIs and runtime control APIs for DPCON
  12  */
  13
  14 struct fsl_mc_io;
  15
  16 /** General DPCON macros */
  17
  18 /**
  19  * Use it to disable notifications; see dpcon_set_notification()
  20  */
  21 #define DPCON_INVALID_DPIO_ID           (int)(-1)
  22
  23 __rte_internal
  24 int dpcon_open(struct fsl_mc_io *mc_io,
  25                uint32_t cmd_flags,
  26                int dpcon_id,
  27                uint16_t *token);
  28
  29 int dpcon_close(struct fsl_mc_io *mc_io,
  30                 uint32_t cmd_flags,
  31                 uint16_t token);
  32
  33 /**
  34  * struct dpcon_cfg - Structure representing DPCON configuration
  35  * @num_priorities: Number of priorities for the DPCON channel (1-8)
  36  */
  37 struct dpcon_cfg {
  38         uint8_t num_priorities;
  39 };
  40
  41 int dpcon_create(struct fsl_mc_io *mc_io,
  42                  uint16_t dprc_token,
  43                  uint32_t cmd_flags,
  44                  const struct dpcon_cfg *cfg,
  45                  uint32_t *obj_id);
  46
  47 int dpcon_destroy(struct fsl_mc_io *mc_io,
  48                   uint16_t dprc_token,
  49                   uint32_t cmd_flags,
  50                   uint32_t obj_id);
  51
  52 int dpcon_enable(struct fsl_mc_io *mc_io,
  53                  uint32_t cmd_flags,
  54                  uint16_t token);
  55
  56 int dpcon_disable(struct fsl_mc_io *mc_io,
  57                   uint32_t cmd_flags,
  58                   uint16_t token);
  59
  60 int dpcon_is_enabled(struct fsl_mc_io *mc_io,
  61                      uint32_t cmd_flags,
  62                      uint16_t token,
  63                      int *en);
  64
  65 int dpcon_reset(struct fsl_mc_io *mc_io,
  66                 uint32_t cmd_flags,
  67                 uint16_t token);
  68
  69 /**
  70  * struct dpcon_attr - Structure representing DPCON attributes
  71  * @id:                 DPCON object ID
  72  * @qbman_ch_id:        Channel ID to be used by dequeue operation
  73  * @num_priorities:     Number of priorities for the DPCON channel (1-8)
  74  */
  75 struct dpcon_attr {
  76         int id;
  77         uint16_t qbman_ch_id;
  78         uint8_t num_priorities;
  79 };
  80
  81 __rte_internal
  82 int dpcon_get_attributes(struct fsl_mc_io *mc_io,
  83                          uint32_t cmd_flags,
  84                          uint16_t token,
  85                          struct dpcon_attr *attr);
  86
  87 int dpcon_get_api_version(struct fsl_mc_io *mc_io,
  88                           uint32_t cmd_flags,
  89                           uint16_t *major_ver,
  90                           uint16_t *minor_ver);
  91
  92 #endif /* __FSL_DPCON_H */