drivers/bus/fslmc/mc/fsl_dpbp_cmd.h

   1 /* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0)
   2  *
   3  * Copyright 2013-2016 Freescale Semiconductor Inc.
   4  * Copyright 2016-2017 NXP
   5  *
   6  */
   7 #ifndef _FSL_DPBP_CMD_H
   8 #define _FSL_DPBP_CMD_H
   9
  10 /* DPBP Version */
  11 #define DPBP_VER_MAJOR                          3
  12 #define DPBP_VER_MINOR                          3
  13
  14 /* Command versioning */
  15 #define DPBP_CMD_BASE_VERSION                   1
  16 #define DPBP_CMD_ID_OFFSET                      4
  17
  18 #define DPBP_CMD(id)    ((id << DPBP_CMD_ID_OFFSET) | DPBP_CMD_BASE_VERSION)
  19
  20 /* Command IDs */
  21 #define DPBP_CMDID_CLOSE                DPBP_CMD(0x800)
  22 #define DPBP_CMDID_OPEN                 DPBP_CMD(0x804)
  23 #define DPBP_CMDID_CREATE               DPBP_CMD(0x904)
  24 #define DPBP_CMDID_DESTROY              DPBP_CMD(0x984)
  25 #define DPBP_CMDID_GET_API_VERSION      DPBP_CMD(0xa04)
  26
  27 #define DPBP_CMDID_ENABLE               DPBP_CMD(0x002)
  28 #define DPBP_CMDID_DISABLE              DPBP_CMD(0x003)
  29 #define DPBP_CMDID_GET_ATTR             DPBP_CMD(0x004)
  30 #define DPBP_CMDID_RESET                DPBP_CMD(0x005)
  31 #define DPBP_CMDID_IS_ENABLED           DPBP_CMD(0x006)
  32
  33 #define DPBP_CMDID_SET_IRQ_ENABLE       DPBP_CMD(0x012)
  34 #define DPBP_CMDID_GET_IRQ_ENABLE       DPBP_CMD(0x013)
  35 #define DPBP_CMDID_SET_IRQ_MASK         DPBP_CMD(0x014)
  36 #define DPBP_CMDID_GET_IRQ_MASK         DPBP_CMD(0x015)
  37 #define DPBP_CMDID_GET_IRQ_STATUS       DPBP_CMD(0x016)
  38 #define DPBP_CMDID_CLEAR_IRQ_STATUS     DPBP_CMD(0x017)
  39
  40 #define DPBP_CMDID_SET_NOTIFICATIONS    DPBP_CMD(0x1b0)
  41 #define DPBP_CMDID_GET_NOTIFICATIONS    DPBP_CMD(0x1b1)
  42
  43 #define DPBP_CMDID_GET_FREE_BUFFERS_NUM DPBP_CMD(0x1b2)
  44
  45 #pragma pack(push, 1)
  46 struct dpbp_cmd_open {
  47         uint32_t dpbp_id;
  48 };
  49
  50 struct dpbp_cmd_destroy {
  51         uint32_t object_id;
  52 };
  53
  54 #define DPBP_ENABLE                     0x1
  55
  56 struct dpbp_rsp_is_enabled {
  57         uint8_t enabled;
  58 };
  59
  60 struct dpbp_rsp_get_attributes {
  61         uint16_t pad;
  62         uint16_t bpid;
  63         uint32_t id;
  64 };
  65
  66 struct dpbp_cmd_set_notifications {
  67         uint32_t depletion_entry;
  68         uint32_t depletion_exit;
  69         uint32_t surplus_entry;
  70         uint32_t surplus_exit;
  71         uint16_t options;
  72         uint16_t pad[3];
  73         uint64_t message_ctx;
  74         uint64_t message_iova;
  75 };
  76
  77 struct dpbp_rsp_get_notifications {
  78         uint32_t depletion_entry;
  79         uint32_t depletion_exit;
  80         uint32_t surplus_entry;
  81         uint32_t surplus_exit;
  82         uint16_t options;
  83         uint16_t pad[3];
  84         uint64_t message_ctx;
  85         uint64_t message_iova;
  86 };
  87
  88 struct dpbp_rsp_get_api_version {
  89         uint16_t major;
  90         uint16_t minor;
  91 };
  92
  93 struct dpbp_rsp_get_num_free_bufs {
  94         uint32_t num_free_bufs;
  95 };
  96
  97 #pragma pack(pop)
  98 #endif /* _FSL_DPBP_CMD_H */