no-OS/doxygen/adin1110_8h_source.html

/******************************************************************************

 *   @file   adin1110.h

 *   @brief  Header file of the ADIN1110 driver.

 *   @author Ciprian Regus (ciprian.regus@analog.com)

********************************************************************************

 * Copyright 2023(c) Analog Devices, Inc.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions are met:

 *

 * 1. Redistributions of source code must retain the above copyright notice,

 *    this list of conditions and the following disclaimer.

 *

 * 2. Redistributions in binary form must reproduce the above copyright notice,

 *    this list of conditions and the following disclaimer in the documentation

 *    and/or other materials provided with the distribution.

 *

 * 3. Neither the name of Analog Devices, Inc. nor the names of its

 *    contributors may be used to endorse or promote products derived from this

 *    software without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES, INC. “AS IS” AND ANY EXPRESS OR

 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF

 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO

 * EVENT SHALL ANALOG DEVICES, INC. BE LIABLE FOR ANY DIRECT, INDIRECT,

 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,

 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF

 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING

 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,

 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

*******************************************************************************/


#ifndef _ADIN1110_H

#define _ADIN1110_H


#include <stdbool.h>

#include "no_os_spi.h"

#include "no_os_gpio.h"

#include "no_os_util.h"


#define ADIN1110_BUFF_LEN           1530

#define ADIN1110_ETH_ALEN           6

#define ADIN1110_ETHERTYPE_LEN          2

#define ADIN1110_ETH_HDR_LEN            14

#define ADIN1110_ADDR_FILT_LEN          16


#define ADIN1110_FCS_LEN            4

#define ADIN1110_MAC_LEN            6


#define ADIN1110_ADDR_MASK          NO_OS_GENMASK(12, 0)

#define ADIN1110_RD_FRAME_SIZE          7

#define ADIN1110_WR_FRAME_SIZE          6

#define ADIN1110_RD_HDR_SIZE            3

#define ADIN1110_WR_HDR_SIZE            2

#define ADIN1110_PHY_ID_REG         1


#define ADIN1110_PHY_ID             0x0283BC91

#define ADIN2111_PHY_ID             0x0283BCA1


#define ADIN1110_PORTS              1

#define ADIN2111_PORTS              2


#define ADIN1110_CD_MASK            NO_OS_BIT(15)

#define ADIN1110_RW_MASK            NO_OS_BIT(13)


#define ADIN1110_SOFT_RST_REG           0x3C

#define ADIN1110_RESET_REG          0x03

#define ADIN1110_SWRESET            NO_OS_BIT(0)

#define ADIN1110_SWRESET_KEY1           0x4F1C

#define ADIN1110_SWRESET_KEY2           0xC1F4

#define ADIN1110_SWRELEASE_KEY1         0x6F1A

#define ADIN1110_SWRELEASE_KEY2         0xA1F6


#define ADIN1110_SPI_CD             NO_OS_BIT(7)

#define ADIN1110_SPI_RW                     NO_OS_BIT(5)


#define ADIN1110_CONFIG1_REG            0x04

#define ADIN1110_CONFIG1_SYNC           NO_OS_BIT(15)


#define ADIN1110_CONFIG2_REG            0x06

#define ADIN2111_P2_FWD_UNK2HOST_MASK       NO_OS_BIT(12)

#define ADIN2111_PORT_CUT_THRU_EN       NO_OS_BIT(11)

#define ADIN1110_CRC_APPEND         NO_OS_BIT(5)

#define ADIN1110_FWD_UNK2HOST_MASK      NO_OS_BIT(2)


#define ADIN1110_STATUS0_REG            0x08

#define ADIN1110_STATUS0_TXPE_MASK      NO_OS_BIT(0)

#define ADIN1110_RESETC_MASK            NO_OS_BIT(6)


#define ADIN1110_STATUS1_REG            0x09

#define ADIN1110_LINK_STATE_MASK        NO_OS_BIT(0)

#define ADIN2111_P2_RX_RDY          NO_OS_BIT(17)

#define ADIN1110_SPI_ERR            NO_OS_BIT(10)

#define ADIN1110_RX_RDY             NO_OS_BIT(4)


#define ADIN1110_IMASK1_REG         0x0D

#define ADIN2111_RX_RDY_IRQ         NO_OS_BIT(17)

#define ADIN1110_SPI_ERR_IRQ            NO_OS_BIT(10)

#define ADIN1110_RX_RDY_IRQ         NO_OS_BIT(4)

#define ADIN1110_TX_RDY_IRQ         NO_OS_BIT(3)


#define ADIN1110_MDIOACC(x)         (0x20 + (x))

#define ADIN1110_MDIO_TRDONE            NO_OS_BIT(31)

#define ADIN1110_MDIO_TAERR         NO_OS_BIT(30)

#define ADIN1110_MDIO_ST            NO_OS_GENMASK(29, 28)

#define ADIN1110_MDIO_OP            NO_OS_GENMASK(27, 26)

#define ADIN1110_MDIO_PRTAD         NO_OS_GENMASK(25, 21)

#define ADIN1110_MDIO_DEVAD         NO_OS_GENMASK(20, 16)

#define ADIN1110_MDIO_DATA          NO_OS_GENMASK(15, 0)


#define ADIN1110_MMD_ACR_DEVAD_MASK     NO_OS_GENMASK(4, 0)

#define ADIN1110_MMD_ACR_FUNCTION_MASK      NO_OS_GENMASK(15, 14)

#define ADIN1110_MMD_ACCESS_MASK        NO_OS_GENMASK(15, 0)

#define ADIN1110_MMD_ACCESS_CTRL_REG        0x0D

#define ADIN1110_MMD_ACCESS_REG         0x0E


#define ADIN1110_MI_SFT_PD_MASK         NO_OS_BIT(11)

#define ADIN1110_MDIO_PHY_ID(x)         ((x) + 1)

#define ADIN1110_MI_CONTROL_REG         0x0


#define ADIN1110_CRSM_SFT_PD_CNTRL_REG      0x8812

#define ADIN1110_CRSM_SFT_PD_MASK       NO_OS_BIT(0)


#define ADIN1110_TX_FSIZE_REG           0x30

#define ADIN1110_TX_REG             0x31

#define ADIN1110_TX_SPACE_REG           0x32


#define ADIN1110_FIFO_CLR_REG           0x36

#define ADIN1110_FIFO_CLR_RX_MASK       NO_OS_BIT(0)

#define ADIN1110_FIFO_CLR_TX_MASK       NO_OS_BIT(1)


#define ADIN1110_MAC_RST_STATUS_REG     0x3B


#define ADIN2111_MAC_ADDR_APPLY2PORT2       NO_OS_BIT(31)

#define ADIN1110_MAC_ADDR_APPLY2PORT        NO_OS_BIT(30)

#define ADIN2111_MAC_ADDR_TO_OTHER_PORT     NO_OS_BIT(17)

#define ADIN1110_MAC_ADDR_TO_HOST       NO_OS_BIT(16)


#define ADIN1110_MAC_ADDR_FILT_UPR_REG(x)   (0x50 + 2 * (x))

#define ADIN1110_MAC_ADDR_FILT_LWR_REG(x)   (0x51 + 2 * (x))


#define ADIN1110_MAC_ADDR_UPR_MASK      NO_OS_GENMASK(15, 0)

#define ADIN1110_MAC_ADDR_LWR_MASK      NO_OS_GENMASK(31, 0)


#define ADIN1110_MAC_ADDR_MASK_UPR_REG      0x70

#define ADIN1110_MAC_ADDR_MASK_LWR_REG      0x71


#define ADIN1110_RX_FRM_CNT_REG         0xA0

#define ADIN1110_RX_CRC_ERR_CNT_REG     0xA4

#define ADIN1110_RX_ALGN_ERR_CNT_REG        0xA5

#define ADIN1110_RX_LS_ERR_CNT_REG      0xA6

#define ADIN1110_RX_PHY_ERR_CNT_REG     0xA7

#define ADIN1110_TX_FRM_CNT_REG         0xA8

#define ADIN1110_TX_BCAST_CNT_REG       0xA9

#define ADIN1110_TX_MCAST_CNT_REG       0xAA

#define ADIN1110_TX_UCAST_CNT_REG       0xAB

#define ADIN1110_RX_BCAST_CNT_REG       0xA1

#define ADIN1110_RX_MCAST_CNT_REG       0xA2

#define ADIN1110_RX_UCAST_CNT_REG       0xA3


#define ADIN1110_RX_DROP_FULL_CNT_REG       0xAC

#define ADIN1110_RX_DROP_FILT_CNT_REG       0xAD


#define ADIN1110_RX_FSIZE_REG           0x90

#define ADIN1110_RX_REG             0x91


#define ADIN2111_RX_P2_FSIZE_REG        0xC0

#define ADIN2111_RX_P2_REG          0xC1


#define ADIN1110_CLEAR_STATUS0          0xFFF


/* MDIO_OP codes */

#define ADIN1110_MDIO_OP_ADDR           0x0

#define ADIN1110_MDIO_OP_WR         0x1

#define ADIN1110_MDIO_OP_RD         0x3


#define ADIN1110_WR_HEADER_LEN          2

#define ADIN1110_FRAME_HEADER_LEN       2

#define ADIN1110_RD_HEADER_LEN          3

#define ADIN1110_REG_LEN            4

#define ADIN1110_CRC_LEN            1

#define ADIN1110_FEC_LEN            4


#define ADIN_MAC_MULTICAST_ADDR_SLOT        0

#define ADIN_MAC_BROADCAST_ADDR_SLOT        1

#define ADIN_MAC_P1_ADDR_SLOT           2

#define ADIN_MAC_P2_ADDR_SLOT           3

#define ADIN_MAC_FDB_ADDR_SLOT          4


enum adin1110_chip_id {

    ADIN1110,

    ADIN2111,

};


struct adin1110_desc {

    enum adin1110_chip_id chip_type;

    struct no_os_spi_desc *comm_desc;

    uint8_t mac_address[ADIN1110_ETH_ALEN];

    uint8_t data[ADIN1110_BUFF_LEN];

    struct no_os_gpio_desc *reset_gpio;

    bool append_crc;

};


struct adin1110_init_param {

    enum adin1110_chip_id chip_type;

    struct no_os_spi_init_param comm_param;

    struct no_os_gpio_init_param reset_param;

    uint8_t mac_address[ADIN1110_ETH_ALEN];

    bool append_crc;

};


struct adin1110_eth_buff {

    uint32_t len;

    uint8_t mac_dest[ADIN1110_ETH_ALEN];

    uint8_t mac_source[ADIN1110_ETH_ALEN];

    uint8_t ethertype[2];

    uint8_t *payload;

};


/* Reset both the MAC and PHY. */

int adin1110_sw_reset(struct adin1110_desc *);


/* Update a register's value based on a mask */

int adin1110_reg_update(struct adin1110_desc *, uint16_t, uint32_t, uint32_t);


/* Write a register's value */

int adin1110_reg_write(struct adin1110_desc *, uint16_t, uint32_t);


/* Read a register's value */

int adin1110_reg_read(struct adin1110_desc *, uint16_t, uint32_t *);


/* Write a frame to the TX FIFO */

int adin1110_write_fifo(struct adin1110_desc *, uint32_t,

            struct adin1110_eth_buff *);


/* Read a frame from the RX FIFO */

int adin1110_read_fifo(struct adin1110_desc *, uint32_t,

               struct adin1110_eth_buff *);


/* Write a PHY register using clause 22 */

int adin1110_mdio_write(struct adin1110_desc *, uint32_t, uint32_t, uint16_t);


/* Read a PHY register using clause 22 */

int adin1110_mdio_read(struct adin1110_desc *, uint32_t, uint32_t, uint16_t *);


/* Write a PHY register using clause 45 */

int adin1110_mdio_write_c45(struct adin1110_desc *, uint32_t, uint32_t,

                uint32_t,

                uint16_t);


/* Read a PHY register using clause 45 */

int adin1110_mdio_read_c45(struct adin1110_desc *, uint32_t, uint32_t, uint16_t,

               uint16_t *);


/* Get the link state for a given port */

int adin1110_link_state(struct adin1110_desc *, uint32_t *);


/* Set a port in promiscuous mode. All MAC filters are dropped */

int adin1110_set_promisc(struct adin1110_desc *, uint32_t, bool);


/*

 * Set a MAC filter. The frames with destination MAC addresses matching this will be

 * forwarded to the host.

 */

int adin1110_set_mac_addr(struct adin1110_desc *desc,

              uint8_t mac_address[ADIN1110_ETH_ALEN]);


/* Enable/disable the forwarding (to host) of broadcast frames */

int adin1110_broadcast_filter(struct adin1110_desc *, bool);


/* Reset the MAC device */

int adin1110_mac_reset(struct adin1110_desc *);


/* Reset the PHY device */

int adin1110_phy_reset(struct adin1110_desc *);


/* Initialize the device */

int adin1110_init(struct adin1110_desc **, struct adin1110_init_param *);


/* Free a device descriptor */

int adin1110_remove(struct adin1110_desc *);


#endif