204 lines
6.6 KiB
C
204 lines
6.6 KiB
C
/*
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* Copyright (c) 2023 PHOENIX CONTACT Electronics GmbH
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ETH_ADIN2111_PRIV_H__
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#define ETH_ADIN2111_PRIV_H__
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#include <stdint.h>
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#include <stdbool.h>
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#include <zephyr/kernel.h>
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#include <zephyr/drivers/gpio.h>
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#include <zephyr/drivers/spi.h>
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#include <zephyr/net/net_if.h>
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#include <ethernet/eth_stats.h>
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/* SPI frequency maximum, based on clock cycle time */
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#define ADIN2111_SPI_MAX_FREQUENCY 25000000U
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#define ADIN2111_PHYID 0x01U
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/* PHY Identification Register Reset Value */
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#define ADIN2111_PHYID_RST_VAL 0x0283BCA1U
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#define ADIN1110_PHYID_RST_VAL 0x0283BC91U
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/* Reset Control and Status Register */
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#define ADIN2111_RESET 0x03U
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/* MACPHY software reset */
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#define ADIN2111_RESET_SWRESET BIT(0)
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/* Configuration Register 0 */
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#define ADIN2111_CONFIG0 0x04U
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/* Configuration Synchronization */
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#define ADIN2111_CONFIG0_SYNC BIT(15)
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/* Transmit Frame Check Sequence Validation Enable */
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#define ADIN2111_CONFIG0_TXFCSVE BIT(14)
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/* Transmit Cut Through Enable */
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#define ADIN2111_CONFIG0_TXCTE BIT(9)
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/* Receive Cut Through Enable. Must be 0 for Generic SPI */
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#define ADIN2111_CONFIG0_RXCTE BIT(8)
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/* Configuration Register 2 */
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#define ADIN2111_CONFIG2 0x06U
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/* Forward Frames from Port 2 Not Matching a MAC Address to Port 1 */
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#define ADIN2111_CONFIG2_P2_FWD_UNK2P1 BIT(14)
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/* Forward Frames from Port 1 Not Matching a MAC Address to Port 2 */
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#define ADIN2111_CONFIG2_P1_FWD_UNK2P2 BIT(13)
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/* Enable Cut Through from Port to Port */
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#define ADIN2111_CONFIG2_PORT_CUT_THRU_EN BIT(11)
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/* Enable CRC Append */
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#define ADIN2111_CONFIG2_CRC_APPEND BIT(5)
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/* Status Register 0 */
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#define ADIN2111_STATUS0 0x08U
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/* PHY Interrupt for Port 1 */
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#define ADIN2111_STATUS0_PHYINT BIT(7)
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/**
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* Reset Complete.
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* The bit is set when the MACPHY reset is complete
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* and ready for configuration.
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*/
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#define ADIN2111_STATUS0_RESETC BIT(6)
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/* Value to completely clear status register 0 */
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#define ADIN2111_STATUS0_CLEAR 0x1F7FU
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/* Status Register 1 */
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#define ADIN2111_STATUS1 0x09U
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/* PHY Interrupt for Port 2 */
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#define ADIN2111_STATUS1_PHYINT BIT(19)
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/* Port 2 RX FIFO Contains Data */
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#define ADIN2111_STATUS1_P2_RX_RDY BIT(17)
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/* Indicates that a CRC error was detected */
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#define ADIN2111_STATUS1_SPI_ERR BIT(10)
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/* Port 1 RX FIFO Contains Data */
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#define ADIN2111_STATUS1_P1_RX_RDY BIT(4)
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/* Value to completely clear status register 1 */
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#define ADIN2111_STATUS1_CLEAR 0xFFF01F08U
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/* Interrupt Mask Register 0 */
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#define ADIN2111_IMASK0 0x0CU
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/* Physical Layer Interrupt Mask */
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#define ADIN2111_IMASK0_PHYINTM BIT(7)
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/* Interrupt Mask Register 1 */
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#define ADIN2111_IMASK1 0x0DU
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/* Mask Bit for P2_PHYINT */
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#define ADIN2111_IMASK1_P2_PHYINT_MASK BIT(19)
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/*!< Mask Bit for P2_RX_RDY. Generic SPI only.*/
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#define ADIN2111_IMASK1_P2_RX_RDY_MASK BIT(17)
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/*!< Mask Bit for SPI_ERR. Generic SPI only. */
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#define ADIN2111_IMASK1_SPI_ERR_MASK BIT(10)
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/*!< Mask Bit for P1_RX_RDY. Generic SPI only.*/
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#define ADIN2111_IMASK1_P1_RX_RDY_MASK BIT(4)
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/*!< Mask Bit for TX_FRM_DONE. Generic SPI only.*/
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#define ADIN2111_IMASK1_TX_RDY_MASK BIT(4)
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/* MAC Tx Frame Size Register */
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#define ADIN2111_TX_FSIZE 0x30U
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/* Tx FIFO Space Register */
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#define ADIN2111_TX_SPACE 0x32U
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/* MAC Address Rule and DA Filter Upper 16 Bits Registers */
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#define ADIN2111_ADDR_FILT_UPR 0x50U
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#define ADIN2111_ADDR_APPLY2PORT2 BIT(31)
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#define ADIN2111_ADDR_APPLY2PORT1 BIT(30)
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#define ADIN2111_ADDR_TO_OTHER_PORT BIT(17)
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#define ADIN2111_ADDR_TO_HOST BIT(16)
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/* MAC Address DA Filter Lower 32 Bits Registers */
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#define ADIN2111_ADDR_FILT_LWR 0x51U
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/* Upper 16 Bits of the MAC Address Mask */
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#define ADIN2111_ADDR_MSK_UPR 0x70U
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/* Lower 32 Bits of the MAC Address Mask */
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#define ADIN2111_ADDR_MSK_LWR 0x71U
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/* P1 MAC Rx Frame Size Register */
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#define ADIN2111_P1_RX_FSIZE 0x90U
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/* P1 MAC Receive Register */
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#define ADIN2111_P1_RX 0x91U
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/* P2 MAC Rx Frame Size Register */
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#define ADIN2111_P2_RX_FSIZE 0xC0U
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/* P2 MAC Receive Register */
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#define ADIN2111_P2_RX 0xC1U
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/* SPI header size in bytes */
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#define ADIN2111_SPI_HEADER_SIZE 2U
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/* SPI header size for write transaction */
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#define ADIN2111_WRITE_HEADER_SIZE ADIN2111_SPI_HEADER_SIZE
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/* SPI header size for read transaction (1 for TA) */
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#define ADIN2111_READ_HEADER_SIZE (ADIN2111_SPI_HEADER_SIZE + 1U)
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/* SPI register write buffer size without CRC */
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#define ADIN2111_REG_WRITE_BUF_SIZE (ADIN2111_WRITE_HEADER_SIZE + sizeof(uint32_t))
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/* SPI register write buffer with appended CRC size (1 for header, 1 for register) */
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#define ADIN2111_REG_WRITE_BUF_SIZE_CRC (ADIN2111_REG_WRITE_BUF_SIZE + 2U)
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/* SPI register read buffer size with TA without CRC */
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#define ADIN2111_REG_READ_BUF_SIZE (ADIN2111_READ_HEADER_SIZE + sizeof(uint32_t))
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/* SPI register read buffer with TA and appended CRC size (1 header, 1 for register) */
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#define ADIN2111_REG_READ_BUF_SIZE_CRC (ADIN2111_REG_READ_BUF_SIZE + 2U)
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/* SPI read fifo cmd buffer size with TA without CRC */
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#define ADIN2111_FIFO_READ_CMD_BUF_SIZE (ADIN2111_READ_HEADER_SIZE)
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/* SPI read fifo cmd buffer with TA and appended CRC size */
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#define ADIN2111_FIFO_READ_CMD_BUF_SIZE_CRC (ADIN2111_FIFO_READ_CMD_BUF_SIZE + 1U)
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/* SPI Header for writing control transaction in half duplex mode */
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#define ADIN2111_WRITE_TXN_CTRL 0xA000U
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/* SPI Header for writing control transaction with MAC TX register (!) in half duplex mode */
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#define ADIN2111_TXN_CTRL_TX_REG 0xA031U
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/* SPI Header for reading control transaction in half duplex mode */
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#define ADIN2111_READ_TXN_CTRL 0x8000U
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/* Frame header size in bytes */
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#define ADIN2111_FRAME_HEADER_SIZE 2U
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#define ADIN2111_INTERNAL_HEADER_SIZE 2U
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/* Number of buffer bytes in TxFIFO to provide frame margin upon writes */
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#define ADIN2111_TX_FIFO_BUFFER_MARGIN 4U
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enum adin2111_chips_id {
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ADIN2111_MAC = 0,
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ADIN1110_MAC,
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};
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struct adin2111_config {
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enum adin2111_chips_id id;
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struct spi_dt_spec spi;
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struct gpio_dt_spec interrupt;
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struct gpio_dt_spec reset;
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};
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struct adin2111_data {
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/* Port 0: PHY 1, Port 1: PHY 2 */
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const struct device *port[2];
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struct gpio_callback gpio_int_callback;
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struct k_sem offload_sem;
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struct k_mutex lock;
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uint32_t imask0;
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uint32_t imask1;
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uint16_t ifaces_left_to_init;
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uint8_t *buf;
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K_KERNEL_STACK_MEMBER(rx_thread_stack, CONFIG_ETH_ADIN2111_IRQ_THREAD_STACK_SIZE);
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struct k_thread rx_thread;
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};
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struct adin2111_port_data {
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struct net_if *iface;
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uint8_t mac_addr[6];
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#if defined(CONFIG_NET_STATISTICS_ETHERNET)
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struct net_stats_eth stats;
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#endif /* CONFIG_NET_STATISTICS_ETHERNET */
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};
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struct adin2111_port_config {
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const struct device *adin;
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const struct device *phy;
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const uint16_t port_idx;
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const uint16_t phy_addr;
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};
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#endif /* ETH_ADIN2111_PRIV_H__ */
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