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 int dpcon_open(struct fsl_mc_io *mc_io,
  24                uint32_t cmd_flags,
  25                int dpcon_id,
  26                uint16_t *token);
  27
  28 int dpcon_close(struct fsl_mc_io *mc_io,
  29                 uint32_t cmd_flags,
  30                 uint16_t token);
  31
  32 /**
  33  * struct dpcon_cfg - Structure representing DPCON configuration
  34  * @num_priorities: Number of priorities for the DPCON channel (1-8)
  35  */
  36 struct dpcon_cfg {
  37         uint8_t num_priorities;
  38 };
  39
  40 int dpcon_create(struct fsl_mc_io *mc_io,
  41                  uint16_t dprc_token,
  42                  uint32_t cmd_flags,
  43                  const struct dpcon_cfg *cfg,
  44                  uint32_t *obj_id);
  45
  46 int dpcon_destroy(struct fsl_mc_io *mc_io,
  47                   uint16_t dprc_token,
  48                   uint32_t cmd_flags,
  49                   uint32_t obj_id);
  50
  51 int dpcon_enable(struct fsl_mc_io *mc_io,
  52                  uint32_t cmd_flags,
  53                  uint16_t token);
  54
  55 int dpcon_disable(struct fsl_mc_io *mc_io,
  56                   uint32_t cmd_flags,
  57                   uint16_t token);
  58
  59 int dpcon_is_enabled(struct fsl_mc_io *mc_io,
  60                      uint32_t cmd_flags,
  61                      uint16_t token,
  62                      int *en);
  63
  64 int dpcon_reset(struct fsl_mc_io *mc_io,
  65                 uint32_t cmd_flags,
  66                 uint16_t token);
  67
  68 /**
  69  * struct dpcon_attr - Structure representing DPCON attributes
  70  * @id:                 DPCON object ID
  71  * @qbman_ch_id:        Channel ID to be used by dequeue operation
  72  * @num_priorities:     Number of priorities for the DPCON channel (1-8)
  73  */
  74 struct dpcon_attr {
  75         int id;
  76         uint16_t qbman_ch_id;
  77         uint8_t num_priorities;
  78 };
  79
  80 int dpcon_get_attributes(struct fsl_mc_io *mc_io,
  81                          uint32_t cmd_flags,
  82                          uint16_t token,
  83                          struct dpcon_attr *attr);
  84
  85 int dpcon_get_api_version(struct fsl_mc_io *mc_io,
  86                           uint32_t cmd_flags,
  87                           uint16_t *major_ver,
  88                           uint16_t *minor_ver);
  89
  90 #endif /* __FSL_DPCON_H */