/*
 * Copyright (c) 2023-2024 HPMicro
 *
 * SPDX-License-Identifier: BSD-3-Clause
 *
 */

#ifndef HPM_TSW_DRV_H
#define HPM_TSW_DRV_H

/*---------------------------------------------------------------------
 * Includes
 *--------------------------------------------------------------------*/
#include "hpm_common.h"
#include "hpm_soc_feature.h"
#include "hpm_tsw_regs.h"

/**
 * @brief TSW driver APIs
 * @defgroup tsw_interface TSW driver APIs
 * @ingroup communication_interfaces
 * @{
 */

/*---------------------------------------------------------------------
 *  Macro Constant Declarations
 *-------------------------------------------------------------------*/
#define MAC_LO(mac) (uint32_t)(mac[0] | (mac[1] << 8) | (mac[2] << 16) | (mac[3] << 24))
#define MAC_HI(mac) (uint32_t)(mac[4] | (mac[5] << 8))

#define MAC_MDIO_CTRL_OP_WR (0x01)
#define MAC_MDIO_CTRL_OP_RD (0x02)

/*---------------------------------------------------------------------
 *  Typedef Struct Declarations
 *-------------------------------------------------------------------*/
typedef struct {
    union {
        uint32_t tx_hdr0;
        struct {
            uint32_t dest_port: 8; /**< dest port */
            uint32_t          : 8; /**< reserved */
            uint32_t queue    : 3; /**< the priority queue for TSW TX */
            uint32_t utag     : 3; /**< TSW-EP TX user sideband information */
            uint32_t          : 6; /**< reserved */
            uint32_t htype    : 4; /**< header type */
        } tx_hdr0_bm;
    };

    union {
        uint32_t tx_hdr1;
        struct {
            uint32_t cb: 32; /**< CB field. Optionally used for external stream identification */
        } tx_hdr1_bm;
    };

    uint32_t tx_hdr2; /**< reserved */
    uint32_t tx_hdr3; /**< reserved */
} tx_hdr_desc_t;

/*---------------------------------------------------------------------
 *  Typedef Enum Declarations
 *-------------------------------------------------------------------*/
typedef enum {
  tsw_port_speed_10mbps   = 2,
  tsw_port_speed_100mbps  = 3,
  tsw_port_speed_1000mbps = 0
} tsw_port_speed_t;

typedef enum {
  tsw_port_phy_itf_mii   = 0,
  tsw_port_phy_itf_rmii  = 4,
  tsw_port_phy_itf_rgmii = 1
} tsw_port_phy_itf_t;

typedef enum {
  tsw_dst_port_null = 0,
  tsw_dst_port_cpu  = 1 << 0,
  tsw_dst_port_1    = 1 << 1,
  tsw_dst_port_2    = 1 << 2,
  tsw_dst_port_3    = 1 << 3,
} tsw_dst_t;

typedef enum {
  tsw_mac_mode_mii = 0,
  tsw_mac_mode_gmii
} tsw_mac_mode_t;

#if defined __cplusplus
extern "C" {
#endif /* __cplusplus */
/*---------------------------------------------------------------------
 * Exported Functions
 *-------------------------------------------------------------------*/
/**
 * @brief Send a frame from CPU port
 *
 * @param[in] ptr    TSW peripheral base address
 * @param[in] length Frame length
 * @param[in] id     Frame index
 * @return           Result of the transmission
 */
hpm_stat_t tsw_send(TSW_Type *ptr, uint32_t *buffer, uint32_t length, uint8_t id);

/**
 * @brief Setup a receive description
 *
 * @param[in] ptr    TSW peripheral base address
 * @param[in] buffer Pointer to the specified receive buffer
 * @param[in] length Frame length
 * @param[in] id     Frame index
 * @return           Result of the setup of a receive description
 */
hpm_stat_t tsw_recv_setup(TSW_Type *ptr, uint32_t *buffer, uint32_t length, uint8_t id);

/**
 * @brief Receive a frame
 *
 * @param[in] ptr    TSW peripheral base address
 * @param[in] buffer Pointer to the specified receive buffer
 * @param[in] length Buffer length
 * @param[in] id     Frame index
 * @return           Result of the received frame
 */
uint32_t tsw_recv(TSW_Type *ptr, uint32_t *buffer, uint32_t length, uint8_t id);

/**
 * @brief Lookup Bypass Setting
 *
 * @param[in] ptr      TSW peripheral base address
 * @param[in] dst_port Destination port number
 */
void tsw_mac_lookup_bypass(TSW_Type *ptr, uint8_t dst_port);

/**
 * @brief CAM VLAN Setting
 *
 * @param[in] ptr      TSW peripheral base address
 * @param[in] dst_port Destination port number
 */
void tsw_set_cam_vlan_port(TSW_Type *ptr);

/**
 * @brief MDIO Interface Config
 *
 * @param[in] ptr     TSW peripheral base address
 * @param[in] port    TSW port number
 * @param[in] clk_div TSW clock division
 * @return            Result of MDIO interface config
 */
hpm_stat_t tsw_ep_set_mdio_config(TSW_Type *ptr, uint8_t port, uint8_t clk_div);

/**
 * @brief MDIO Read
 *
 * @param[in] ptr      TSW peripheral base address
 * @param[in] port     TSW port number
 * @param[in] phy_addr TSW clock division
 * @param[in] reg_addr PHY register address
 * @param[out] data    Pointer to data memory
 * @return             Result of MDIO read
 */
hpm_stat_t tsw_ep_mdio_read(TSW_Type *ptr, uint8_t port, uint32_t phy_addr, uint32_t reg_addr, uint16_t *data);

/**
 * @brief MDIO Write
 *
 * @param[in] ptr      TSW peripheral base address
 * @param[in] port     TSW port number
 * @param[in] phy_addr TSW clock division
 * @param[in] reg_addr PHY register address
 * @param[in] data     Data value
 * @return             Result of MDIO write
 */
hpm_stat_t tsw_ep_mdio_write(TSW_Type *ptr, uint8_t port, uint32_t phy_addr, uint32_t reg_addr, uint16_t data);

/**
 * @brief Enable MAC Controller
 *
 * @param[in] ptr      TSW peripheral base address
 * @param[in] port     TSW port number
 * @param[in] mac_type MAC type 0:EMAC/1:PMAC
 * @param[in] enable   Enable MAC Controller: Set true to enable; Set false to disable
 * @return             Result of controlling MAC controller
 */
hpm_stat_t tsw_ep_enable_mac_ctrl(TSW_Type *ptr, uint8_t port, uint8_t mac_type, bool enable);

/**
 * @brief Set MAC Address
 *
 * @param[in] ptr      TSW peripheral base address
 * @param[in] port     TSW port number
 * @param[in] mac_addr Pointer to MAC address
 * @param[in] promisc  Promiscuous Mode: Set true to enable; set false to disable
 * @return             Result of setting MAC address
 */
hpm_stat_t tsw_ep_set_mac_addr(TSW_Type *ptr, uint8_t port, uint8_t *mac_addr, bool promisc);

/**
 * @brief Set MAC Mode
 *
 * @param[in] ptr      TSW peripheral base address
 * @param[in] port     TSW port number
 * @param[in] mac_addr Pointer to MAC address
 * @param[in] promisc  Promiscuous Mode: Set true to enable; set false to disable
 * @return             Result of setting MAC address
 */
hpm_stat_t tsw_ep_set_mac_mode(TSW_Type *ptr, uint8_t port, uint8_t gmii);

/**
 * @brief Set Port GPR
 *
 * @param[in] ptr      TSW peripheral base address
 * @param[in] port     TSW port number
 * @param[in] speed    Pointer to MAC address
 * @param[in] itf      Promiscuous Mode: Set true to enable; set false to disable
 * @param[in] tx_dly   Tx delay
 * @param[in] rx_dlay  Rx delay
 */
void tsw_port_gpr(TSW_Type *ptr, uint8_t port, uint8_t speed, uint8_t itf, uint8_t tx_dly, uint8_t rx_dly);

/**
 * @brief Set Internal Frame Action
 *
 * @param[in] ptr       TSW peripheral base address
 * @param[in] dest_port Destination port number
 */
void tsw_set_internal_frame_action(TSW_Type *ptr, uint8_t dest_port);

/**
 * @brief Set Broadcast Frame Action
 *
 * @param[in] ptr       TSW peripheral base address
 * @param[in] dest_port Destination port number
 */
void tsw_set_broadcast_frame_action(TSW_Type *ptr, uint8_t dest_port);

/**
 * @brief Set Unknow Frame Action
 *
 * @param[in] ptr       TSW peripheral base address
 * @param[in] dest_port Destination port number
 */
void tsw_set_unknown_frame_action(TSW_Type *ptr, uint8_t dest_port);

/**
 * @brief Set Lookup Table
 *
 * @param[in] ptr       TSW peripheral base address
 * @param[in] entry_num Entry number
 * @param[in] dest_port Destination port number
 * @param[in] dest_mac  Destination MAC address
 */
void tsw_set_lookup_table(TSW_Type *ptr, uint16_t entry_num, uint8_t dest_port, uint64_t dest_mac);

/**
 * @brief Clear CAM
 *
 * @param[in] ptr       TSW peripheral base address
 */
void tsw_clear_cam(TSW_Type *ptr);

/**
 * @brief Enable RXFIFO to store and forward mode
 *
 * @param[in] ptr       TSW peripheral base address
 * @param[in] port      TSW port number
 */
void tsw_enable_store_forward_mode(TSW_Type *ptr, uint8_t port);

/**
 * @brief Disable RXFIFO to store and forward mode
 *
 * @param[in] ptr       TSW peripheral base address
 * @param[in] port      TSW port number
 */
void tsw_disable_store_forward_mode(TSW_Type *ptr, uint8_t port);

#if defined __cplusplus
}
#endif /* __cplusplus */
/** @} */
#endif /* HPM_TSW_DRV_H */