/**
 * @file sc589_eth1_driver.h
 * @brief ADSP-SC589 Ethernet MAC driver (EMAC0 instance)
 *
 * @section License
 *
 * Copyright (C) 2021-2026 Oryx Embedded SARL. All rights reserved.
 *
 * This file is part of CycloneTCP Eval
 * 
 * This software is provided in source form for a short-term evaluation only. The
 * evaluation license expires 90 days after the date you first download the software.
 *
 * If you plan to use this software in a commercial product, you are required to
 * purchase a commercial license from Oryx Embedded SARL.
 *
 * After the 90-day evaluation period, you agree to either purchase a commercial
 * license or delete all copies of this software. If you wish to extend the
 * evaluation period, you must contact sales@oryx-embedded.com.
 *
 * This evaluation software is provided "as is" without warranty of any kind.
 * Technical support is available as an option during the evaluation period.

 *
 * @author Oryx Embedded SARL (www.oryx-embedded.com)
 * @version 2.6.2
 **/

#ifndef _SC589_ETH1_DRIVER_H
#define _SC589_ETH1_DRIVER_H

//Dependencies
#include "core/nic.h"

//Number of TX buffers
#ifndef SC589_ETH1_TX_BUFFER_COUNT
   #define SC589_ETH1_TX_BUFFER_COUNT 3
#elif (SC589_ETH1_TX_BUFFER_COUNT < 1)
   #error SC589_ETH1_TX_BUFFER_COUNT parameter is not valid
#endif

//TX buffer size
#ifndef SC589_ETH1_TX_BUFFER_SIZE
   #define SC589_ETH1_TX_BUFFER_SIZE 1536
#elif (SC589_ETH1_TX_BUFFER_SIZE != 1536)
   #error SC589_ETH1_TX_BUFFER_SIZE parameter is not valid
#endif

//Number of RX buffers
#ifndef SC589_ETH1_RX_BUFFER_COUNT
   #define SC589_ETH1_RX_BUFFER_COUNT 6
#elif (SC589_ETH1_RX_BUFFER_COUNT < 1)
   #error SC589_ETH1_RX_BUFFER_COUNT parameter is not valid
#endif

//RX buffer size
#ifndef SC589_ETH1_RX_BUFFER_SIZE
   #define SC589_ETH1_RX_BUFFER_SIZE 1536
#elif (SC589_ETH1_RX_BUFFER_SIZE != 1536)
   #error SC589_ETH1_RX_BUFFER_SIZE parameter is not valid
#endif

//Ethernet interrupt priority
#ifndef SC589_ETH1_IRQ_PRIORITY
   #define SC589_ETH1_IRQ_PRIORITY 0
#elif (SC589_ETH1_IRQ_PRIORITY < 0)
   #error SC589_ETH1_IRQ_PRIORITY parameter is not valid
#endif

//Name of the section where to place DMA buffers
#ifndef SC589_ETH1_RAM_SECTION
   #define SC589_ETH1_RAM_SECTION ".l2_uncached_data"
#endif

//EMAC0 peripheral ID
#define EMAC0_SPU_PID 55

//EMAC_SMI_ADDR register
#define ENUM_EMAC_SMI_ADDR_CR_DIV42   (0 << BITP_EMAC_SMI_ADDR_CR)
#define ENUM_EMAC_SMI_ADDR_CR_DIV62   (1 << BITP_EMAC_SMI_ADDR_CR)
#define ENUM_EMAC_SMI_ADDR_CR_DIV16   (2 << BITP_EMAC_SMI_ADDR_CR)
#define ENUM_EMAC_SMI_ADDR_CR_DIV26   (3 << BITP_EMAC_SMI_ADDR_CR)

//EMAC_DMA_BUSMODE register
#define ENUM_EMAC_DMA_BUSMODE_RPBL_1  (1 << BITP_EMAC_DMA0_BUSMODE_RPBL)
#define ENUM_EMAC_DMA_BUSMODE_RPBL_2  (2 << BITP_EMAC_DMA0_BUSMODE_RPBL)
#define ENUM_EMAC_DMA_BUSMODE_RPBL_4  (4 << BITP_EMAC_DMA0_BUSMODE_RPBL)
#define ENUM_EMAC_DMA_BUSMODE_RPBL_8  (8 << BITP_EMAC_DMA0_BUSMODE_RPBL)
#define ENUM_EMAC_DMA_BUSMODE_RPBL_16 (16 << BITP_EMAC_DMA0_BUSMODE_RPBL)
#define ENUM_EMAC_DMA_BUSMODE_RPBL_32 (32 << BITP_EMAC_DMA0_BUSMODE_RPBL)

#define ENUM_EMAC_DMA_BUSMODE_PBL_1   (1 << BITP_EMAC_DMA0_BUSMODE_PBL)
#define ENUM_EMAC_DMA_BUSMODE_PBL_2   (2 << BITP_EMAC_DMA0_BUSMODE_PBL)
#define ENUM_EMAC_DMA_BUSMODE_PBL_4   (4 << BITP_EMAC_DMA0_BUSMODE_PBL)
#define ENUM_EMAC_DMA_BUSMODE_PBL_8   (8 << BITP_EMAC_DMA0_BUSMODE_PBL)
#define ENUM_EMAC_DMA_BUSMODE_PBL_16  (16 << BITP_EMAC_DMA0_BUSMODE_PBL)
#define ENUM_EMAC_DMA_BUSMODE_PBL_32  (32 << BITP_EMAC_DMA0_BUSMODE_PBL)

//Transmit DMA descriptor flags
#define EMAC_TDES0_OWN       0x80000000
#define EMAC_TDES0_IC        0x40000000
#define EMAC_TDES0_LS        0x20000000
#define EMAC_TDES0_FS        0x10000000
#define EMAC_TDES0_DC        0x08000000
#define EMAC_TDES0_DP        0x04000000
#define EMAC_TDES0_TTSE      0x02000000
#define EMAC_TDES0_CRCR      0x01000000
#define EMAC_TDES0_CIC       0x00C00000
#define EMAC_TDES0_TER       0x00200000
#define EMAC_TDES0_TCH       0x00100000
#define EMAC_TDES0_VLIC      0x000C0000
#define EMAC_TDES0_TTSS      0x00020000
#define EMAC_TDES0_IHE       0x00010000
#define EMAC_TDES0_ES        0x00008000
#define EMAC_TDES0_JT        0x00004000
#define EMAC_TDES0_FF        0x00002000
#define EMAC_TDES0_IPE       0x00001000
#define EMAC_TDES0_LCA       0x00000800
#define EMAC_TDES0_NC        0x00000400
#define EMAC_TDES0_LCO       0x00000200
#define EMAC_TDES0_EC        0x00000100
#define EMAC_TDES0_VF        0x00000080
#define EMAC_TDES0_CC        0x00000078
#define EMAC_TDES0_ED        0x00000004
#define EMAC_TDES0_UF        0x00000002
#define EMAC_TDES0_DB        0x00000001
#define EMAC_TDES1_SAIC      0xE0000000
#define EMAC_TDES1_TBS2      0x1FFF0000
#define EMAC_TDES1_TBS1      0x00001FFF
#define EMAC_TDES2_TBAP1     0xFFFFFFFF
#define EMAC_TDES3_TBAP2     0xFFFFFFFF
#define EMAC_TDES6_TTSL      0xFFFFFFFF
#define EMAC_TDES7_TTSH      0xFFFFFFFF

//Receive DMA descriptor flags
#define EMAC_RDES0_OWN       0x80000000
#define EMAC_RDES0_AFM       0x40000000
#define EMAC_RDES0_FL        0x3FFF0000
#define EMAC_RDES0_ES        0x00008000
#define EMAC_RDES0_DE        0x00004000
#define EMAC_RDES0_SAF       0x00002000
#define EMAC_RDES0_LE        0x00001000
#define EMAC_RDES0_OE        0x00000800
#define EMAC_RDES0_VLAN      0x00000400
#define EMAC_RDES0_FS        0x00000200
#define EMAC_RDES0_LS        0x00000100
#define EMAC_RDES0_TSV       0x00000080
#define EMAC_RDES0_LCO       0x00000040
#define EMAC_RDES0_FT        0x00000020
#define EMAC_RDES0_RWT       0x00000010
#define EMAC_RDES0_RE        0x00000008
#define EMAC_RDES0_DBE       0x00000004
#define EMAC_RDES0_CE        0x00000002
#define EMAC_RDES0_ESA       0x00000001
#define EMAC_RDES1_DIC       0x80000000
#define EMAC_RDES1_RBS2      0x1FFF0000
#define EMAC_RDES1_RER       0x00008000
#define EMAC_RDES1_RCH       0x00004000
#define EMAC_RDES1_RBS1      0x00001FFF
#define EMAC_RDES2_RBAP1     0xFFFFFFFF
#define EMAC_RDES3_RBAP2     0xFFFFFFFF
#define EMAC_RDES4_L4FM      0x02000000
#define EMAC_RDES4_L3FM      0x01000000
#define EMAC_RDES4_VLANTP    0x001C0000
#define EMAC_RDES4_AVTPR     0x00020000
#define EMAC_RDES4_AVPR      0x00010000
#define EMAC_RDES4_TD        0x00004000
#define EMAC_RDES4_PV        0x00002000
#define EMAC_RDES4_PFT       0x00001000
#define EMAC_RDES4_PMT       0x00000F00
#define EMAC_RDES4_IPV6PR    0x00000080
#define EMAC_RDES4_IPV4PR    0x00000040
#define EMAC_RDES4_IPCB      0x00000020
#define EMAC_RDES4_IPPE      0x00000010
#define EMAC_RDES4_IPHE      0x00000008
#define EMAC_RDES4_IPPT      0x00000007
#define EMAC_RDES6_RTSL      0xFFFFFFFF
#define EMAC_RDES7_RTSH      0xFFFFFFFF

//C++ guard
#ifdef __cplusplus
extern "C" {
#endif


/**
 * @brief Enhanced TX DMA descriptor
 **/

typedef struct
{
   uint32_t tdes0;
   uint32_t tdes1;
   uint32_t tdes2;
   uint32_t tdes3;
   uint32_t tdes4;
   uint32_t tdes5;
   uint32_t tdes6;
   uint32_t tdes7;
} Sc589Eth1TxDmaDesc;


/**
 * @brief Enhanced RX DMA descriptor
 **/

typedef struct
{
   uint32_t rdes0;
   uint32_t rdes1;
   uint32_t rdes2;
   uint32_t rdes3;
   uint32_t rdes4;
   uint32_t rdes5;
   uint32_t rdes6;
   uint32_t rdes7;
} Sc589Eth1RxDmaDesc;


//ADSP-SC589 Ethernet MAC driver (EMAC0 instance)
extern const NicDriver sc589Eth1Driver;

//ADSP-SC589 Ethernet MAC related functions
error_t sc589Eth1Init(NetInterface *interface);
void sc589Eth1InitGpio(NetInterface *interface);
void sc589Eth1InitDmaDesc(NetInterface *interface);

void sc589Eth1Tick(NetInterface *interface);

void sc589Eth1EnableIrq(NetInterface *interface);
void sc589Eth1DisableIrq(NetInterface *interface);
void sc589Eth1IrqHandler(uint32_t id, void *param);
void sc589Eth1EventHandler(NetInterface *interface);

error_t sc589Eth1SendPacket(NetInterface *interface,
   const NetBuffer *buffer, size_t offset, NetTxAncillary *ancillary);

error_t sc589Eth1ReceivePacket(NetInterface *interface);

error_t sc589Eth1UpdateMacAddrFilter(NetInterface *interface);
error_t sc589Eth1UpdateMacConfig(NetInterface *interface);

void sc589Eth1WritePhyReg(uint8_t opcode, uint8_t phyAddr,
   uint8_t regAddr, uint16_t data);

uint16_t sc589Eth1ReadPhyReg(uint8_t opcode, uint8_t phyAddr,
   uint8_t regAddr);

uint32_t sc589Eth1CalcCrc(const void *data, size_t length);

//C++ guard
#ifdef __cplusplus
}
#endif

#endif
