drivers/bus/fslmc/mc/fsl_dpdmai_cmd.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright 2018 NXP
   3  */
   4
   5 #ifndef _FSL_DPDMAI_CMD_H
   6 #define _FSL_DPDMAI_CMD_H
   7
   8 /* DPDMAI Version */
   9 #define DPDMAI_VER_MAJOR                3
  10 #define DPDMAI_VER_MINOR                2
  11
  12 /* Command versioning */
  13 #define DPDMAI_CMD_BASE_VERSION         1
  14 #define DPDMAI_CMD_ID_OFFSET            4
  15
  16 #define DPDMAI_CMD(id)  ((id << DPDMAI_CMD_ID_OFFSET) | DPDMAI_CMD_BASE_VERSION)
  17
  18 /* Command IDs */
  19 #define DPDMAI_CMDID_CLOSE              DPDMAI_CMD(0x800)
  20 #define DPDMAI_CMDID_OPEN               DPDMAI_CMD(0x80E)
  21 #define DPDMAI_CMDID_CREATE             DPDMAI_CMD(0x90E)
  22 #define DPDMAI_CMDID_DESTROY            DPDMAI_CMD(0x98E)
  23 #define DPDMAI_CMDID_GET_API_VERSION    DPDMAI_CMD(0xa0E)
  24
  25 #define DPDMAI_CMDID_ENABLE             DPDMAI_CMD(0x002)
  26 #define DPDMAI_CMDID_DISABLE            DPDMAI_CMD(0x003)
  27 #define DPDMAI_CMDID_GET_ATTR           DPDMAI_CMD(0x004)
  28 #define DPDMAI_CMDID_RESET              DPDMAI_CMD(0x005)
  29 #define DPDMAI_CMDID_IS_ENABLED         DPDMAI_CMD(0x006)
  30
  31 #define DPDMAI_CMDID_SET_RX_QUEUE       DPDMAI_CMD(0x1A0)
  32 #define DPDMAI_CMDID_GET_RX_QUEUE       DPDMAI_CMD(0x1A1)
  33 #define DPDMAI_CMDID_GET_TX_QUEUE       DPDMAI_CMD(0x1A2)
  34
  35 /* Macros for accessing command fields smaller than 1byte */
  36 #define DPDMAI_MASK(field)        \
  37         GENMASK(DPDMAI_##field##_SHIFT + DPDMAI_##field##_SIZE - 1, \
  38                 DPDMAI_##field##_SHIFT)
  39 #define dpdmai_set_field(var, field, val) \
  40         ((var) |= (((val) << DPDMAI_##field##_SHIFT) & DPDMAI_MASK(field)))
  41 #define dpdmai_get_field(var, field)      \
  42         (((var) & DPDMAI_MASK(field)) >> DPDMAI_##field##_SHIFT)
  43
  44 #pragma pack(push, 1)
  45 struct dpdmai_cmd_open {
  46         uint32_t dpdmai_id;
  47 };
  48
  49 struct dpdmai_cmd_create {
  50         uint8_t pad;
  51         uint8_t priorities[2];
  52 };
  53
  54 struct dpdmai_cmd_destroy {
  55         uint32_t dpdmai_id;
  56 };
  57
  58 #define DPDMAI_ENABLE_SHIFT     0
  59 #define DPDMAI_ENABLE_SIZE      1
  60
  61 struct dpdmai_rsp_is_enabled {
  62         /* only the LSB bit */
  63         uint8_t en;
  64 };
  65
  66 struct dpdmai_rsp_get_attr {
  67         uint32_t id;
  68         uint8_t num_of_priorities;
  69 };
  70
  71 #define DPDMAI_DEST_TYPE_SHIFT  0
  72 #define DPDMAI_DEST_TYPE_SIZE   4
  73
  74 struct dpdmai_cmd_set_rx_queue {
  75         uint32_t dest_id;
  76         uint8_t dest_priority;
  77         uint8_t priority;
  78         /* from LSB: dest_type:4 */
  79         uint8_t dest_type;
  80         uint8_t pad;
  81         uint64_t user_ctx;
  82         uint32_t options;
  83 };
  84
  85 struct dpdmai_cmd_get_queue {
  86         uint8_t pad[5];
  87         uint8_t priority;
  88 };
  89
  90 struct dpdmai_rsp_get_rx_queue {
  91         uint32_t dest_id;
  92         uint8_t dest_priority;
  93         uint8_t pad1;
  94         /* from LSB: dest_type:4 */
  95         uint8_t dest_type;
  96         uint8_t pad2;
  97         uint64_t user_ctx;
  98         uint32_t fqid;
  99 };
 100
 101 struct dpdmai_rsp_get_tx_queue {
 102         uint64_t pad;
 103         uint32_t fqid;
 104 };
 105
 106 #pragma pack(pop)
 107 #endif /* _FSL_DPDMAI_CMD_H */