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                          4
  13
  14 /* Command versioning */
  15 #define DPBP_CMD_BASE_VERSION                   1
  16 #define DPBP_CMD_VERSION_2                      2
  17 #define DPBP_CMD_ID_OFFSET                      4
  18
  19 #define DPBP_CMD(id)    ((id << DPBP_CMD_ID_OFFSET) | DPBP_CMD_BASE_VERSION)
  20 #define DPBP_CMD_V2(id) ((id << DPBP_CMD_ID_OFFSET) | DPBP_CMD_VERSION_2)
  21
  22 /* Command IDs */
  23 #define DPBP_CMDID_CLOSE                DPBP_CMD(0x800)
  24 #define DPBP_CMDID_OPEN                 DPBP_CMD(0x804)
  25 #define DPBP_CMDID_CREATE               DPBP_CMD(0x904)
  26 #define DPBP_CMDID_DESTROY              DPBP_CMD(0x984)
  27 #define DPBP_CMDID_GET_API_VERSION      DPBP_CMD(0xa04)
  28
  29 #define DPBP_CMDID_ENABLE               DPBP_CMD(0x002)
  30 #define DPBP_CMDID_DISABLE              DPBP_CMD(0x003)
  31 #define DPBP_CMDID_GET_ATTR             DPBP_CMD(0x004)
  32 #define DPBP_CMDID_RESET                DPBP_CMD(0x005)
  33 #define DPBP_CMDID_IS_ENABLED           DPBP_CMD(0x006)
  34
  35 #define DPBP_CMDID_SET_IRQ_ENABLE       DPBP_CMD(0x012)
  36 #define DPBP_CMDID_GET_IRQ_ENABLE       DPBP_CMD(0x013)
  37 #define DPBP_CMDID_SET_IRQ_MASK         DPBP_CMD(0x014)
  38 #define DPBP_CMDID_GET_IRQ_MASK         DPBP_CMD(0x015)
  39 #define DPBP_CMDID_GET_IRQ_STATUS       DPBP_CMD(0x016)
  40 #define DPBP_CMDID_CLEAR_IRQ_STATUS     DPBP_CMD(0x017)
  41
  42 #define DPBP_CMDID_SET_NOTIFICATIONS    DPBP_CMD_V2(0x1b0)
  43 #define DPBP_CMDID_GET_NOTIFICATIONS    DPBP_CMD_V2(0x1b1)
  44
  45 #define DPBP_CMDID_GET_FREE_BUFFERS_NUM DPBP_CMD(0x1b2)
  46
  47 #pragma pack(push, 1)
  48 struct dpbp_cmd_open {
  49         uint32_t dpbp_id;
  50 };
  51
  52 struct dpbp_cmd_destroy {
  53         uint32_t object_id;
  54 };
  55
  56 #define DPBP_ENABLE                     0x1
  57
  58 struct dpbp_rsp_is_enabled {
  59         uint8_t enabled;
  60 };
  61
  62 struct dpbp_rsp_get_attributes {
  63         uint16_t pad;
  64         uint16_t bpid;
  65         uint32_t id;
  66 };
  67
  68 struct dpbp_cmd_set_notifications {
  69         uint32_t depletion_entry;
  70         uint32_t depletion_exit;
  71         uint32_t surplus_entry;
  72         uint32_t surplus_exit;
  73         uint32_t options;
  74         uint16_t pad[2];
  75         uint64_t message_ctx;
  76         uint64_t message_iova;
  77 };
  78
  79 struct dpbp_rsp_get_notifications {
  80         uint32_t depletion_entry;
  81         uint32_t depletion_exit;
  82         uint32_t surplus_entry;
  83         uint32_t surplus_exit;
  84         uint32_t options;
  85         uint16_t pad[2];
  86         uint64_t message_ctx;
  87         uint64_t message_iova;
  88 };
  89
  90 struct dpbp_rsp_get_api_version {
  91         uint16_t major;
  92         uint16_t minor;
  93 };
  94
  95 struct dpbp_rsp_get_num_free_bufs {
  96         uint32_t num_free_bufs;
  97 };
  98
  99 #pragma pack(pop)
 100 #endif /* _FSL_DPBP_CMD_H */