| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * Freescale Layerscape MC I/O wrapper |
| * |
| * Copyright (C) 2015-2016 Freescale Semiconductor, Inc. |
| * Copyright 2017 NXP |
| * Author: Prabhakar Kushwaha <prabhakar@freescale.com> |
| */ |
| |
| #ifndef __FSL_DPMAC_H |
| #define __FSL_DPMAC_H |
| |
| /* DPMAC Version */ |
| #define DPMAC_VER_MAJOR 4 |
| #define DPMAC_VER_MINOR 2 |
| |
| /* Command IDs */ |
| #define DPMAC_CMDID_CLOSE 0x8001 |
| #define DPMAC_CMDID_OPEN 0x80c1 |
| #define DPMAC_CMDID_CREATE 0x90c1 |
| #define DPMAC_CMDID_DESTROY 0x98c1 |
| #define DPMAC_CMDID_GET_API_VERSION 0xa0c1 |
| |
| #define DPMAC_CMDID_GET_ATTR 0x0041 |
| #define DPMAC_CMDID_RESET 0x0051 |
| |
| #define DPMAC_CMDID_MDIO_READ 0x0c01 |
| #define DPMAC_CMDID_MDIO_WRITE 0x0c11 |
| #define DPMAC_CMDID_GET_LINK_CFG 0x0c21 |
| #define DPMAC_CMDID_SET_LINK_STATE 0x0c31 |
| #define DPMAC_CMDID_GET_COUNTER 0x0c41 |
| |
| /* cmd, param, offset, width, type, arg_name */ |
| #define DPMAC_CMD_CREATE(cmd, cfg) \ |
| MC_CMD_OP(cmd, 0, 0, 16, uint16_t, cfg->mac_id) |
| |
| /* cmd, param, offset, width, type, arg_name */ |
| #define DPMAC_CMD_OPEN(cmd, dpmac_id) \ |
| MC_CMD_OP(cmd, 0, 0, 32, int, dpmac_id) |
| |
| /* cmd, param, offset, width, type, arg_name */ |
| #define DPMAC_RSP_GET_ATTRIBUTES(cmd, attr) \ |
| do { \ |
| MC_RSP_OP(cmd, 0, 0, 32, int, attr->phy_id);\ |
| MC_RSP_OP(cmd, 0, 32, 32, int, attr->id);\ |
| MC_RSP_OP(cmd, 1, 32, 8, enum dpmac_link_type, attr->link_type);\ |
| MC_RSP_OP(cmd, 1, 40, 8, enum dpmac_eth_if, attr->eth_if);\ |
| MC_RSP_OP(cmd, 2, 0, 32, uint32_t, attr->max_rate);\ |
| } while (0) |
| |
| /* cmd, param, offset, width, type, arg_name */ |
| #define DPMAC_CMD_MDIO_READ(cmd, cfg) \ |
| do { \ |
| MC_CMD_OP(cmd, 0, 0, 8, uint8_t, cfg->phy_addr); \ |
| MC_CMD_OP(cmd, 0, 8, 8, uint8_t, cfg->reg); \ |
| } while (0) |
| |
| /* cmd, param, offset, width, type, arg_name */ |
| #define DPMAC_RSP_MDIO_READ(cmd, data) \ |
| MC_RSP_OP(cmd, 0, 16, 16, uint16_t, data) |
| |
| /* cmd, param, offset, width, type, arg_name */ |
| #define DPMAC_CMD_MDIO_WRITE(cmd, cfg) \ |
| do { \ |
| MC_CMD_OP(cmd, 0, 0, 8, uint8_t, cfg->phy_addr); \ |
| MC_CMD_OP(cmd, 0, 8, 8, uint8_t, cfg->reg); \ |
| MC_CMD_OP(cmd, 0, 16, 16, uint16_t, cfg->data); \ |
| } while (0) |
| |
| /* cmd, param, offset, width, type, arg_name */ |
| #define DPMAC_RSP_GET_LINK_CFG(cmd, cfg) \ |
| do { \ |
| MC_RSP_OP(cmd, 0, 0, 64, uint64_t, cfg->options); \ |
| MC_RSP_OP(cmd, 1, 0, 32, uint32_t, cfg->rate); \ |
| } while (0) |
| |
| /* cmd, param, offset, width, type, arg_name */ |
| #define DPMAC_CMD_SET_LINK_STATE(cmd, cfg) \ |
| do { \ |
| MC_CMD_OP(cmd, 0, 0, 64, uint64_t, cfg->options); \ |
| MC_CMD_OP(cmd, 1, 0, 32, uint32_t, cfg->rate); \ |
| MC_CMD_OP(cmd, 2, 0, 1, int, cfg->up); \ |
| } while (0) |
| |
| /* cmd, param, offset, width, type, arg_name */ |
| #define DPMAC_CMD_GET_COUNTER(cmd, type) \ |
| MC_CMD_OP(cmd, 1, 0, 64, enum dpmac_counter, type) |
| |
| /* cmd, param, offset, width, type, arg_name */ |
| #define DPMAC_RSP_GET_COUNTER(cmd, counter) \ |
| MC_RSP_OP(cmd, 1, 0, 64, uint64_t, counter) |
| |
| /* Data Path MAC API |
| * Contains initialization APIs and runtime control APIs for DPMAC |
| */ |
| |
| struct fsl_mc_io; |
| |
| /** |
| * dpmac_open() - Open a control session for the specified object. |
| * @mc_io: Pointer to MC portal's I/O object |
| * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' |
| * @dpmac_id: DPMAC unique ID |
| * @token: Returned token; use in subsequent API calls |
| * |
| * This function can be used to open a control session for an |
| * already created object; an object may have been declared in |
| * the DPL or by calling the dpmac_create function. |
| * This function returns a unique authentication token, |
| * associated with the specific object ID and the specific MC |
| * portal; this token must be used in all subsequent commands for |
| * this specific object |
| * |
| * Return: '0' on Success; Error code otherwise. |
| */ |
| int dpmac_open(struct fsl_mc_io *mc_io, |
| uint32_t cmd_flags, |
| int dpmac_id, |
| uint16_t *token); |
| |
| /** |
| * dpmac_close() - Close the control session of the object |
| * @mc_io: Pointer to MC portal's I/O object |
| * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' |
| * @token: Token of DPMAC object |
| * |
| * After this function is called, no further operations are |
| * allowed on the object without opening a new control session. |
| * |
| * Return: '0' on Success; Error code otherwise. |
| */ |
| int dpmac_close(struct fsl_mc_io *mc_io, |
| uint32_t cmd_flags, |
| uint16_t token); |
| |
| /** |
| * enum dpmac_link_type - DPMAC link type |
| * @DPMAC_LINK_TYPE_NONE: No link |
| * @DPMAC_LINK_TYPE_FIXED: Link is fixed type |
| * @DPMAC_LINK_TYPE_PHY: Link by PHY ID |
| * @DPMAC_LINK_TYPE_BACKPLANE: Backplane link type |
| */ |
| enum dpmac_link_type { |
| DPMAC_LINK_TYPE_NONE, |
| DPMAC_LINK_TYPE_FIXED, |
| DPMAC_LINK_TYPE_PHY, |
| DPMAC_LINK_TYPE_BACKPLANE |
| }; |
| |
| /** |
| * enum dpmac_eth_if - DPMAC Ethrnet interface |
| * @DPMAC_ETH_IF_MII: MII interface |
| * @DPMAC_ETH_IF_RMII: RMII interface |
| * @DPMAC_ETH_IF_SMII: SMII interface |
| * @DPMAC_ETH_IF_GMII: GMII interface |
| * @DPMAC_ETH_IF_RGMII: RGMII interface |
| * @DPMAC_ETH_IF_SGMII: SGMII interface |
| * @DPMAC_ETH_IF_QSGMII: QSGMII interface |
| * @DPMAC_ETH_IF_XAUI: XAUI interface |
| * @DPMAC_ETH_IF_XFI: XFI interface |
| */ |
| enum dpmac_eth_if { |
| DPMAC_ETH_IF_MII, |
| DPMAC_ETH_IF_RMII, |
| DPMAC_ETH_IF_SMII, |
| DPMAC_ETH_IF_GMII, |
| DPMAC_ETH_IF_RGMII, |
| DPMAC_ETH_IF_SGMII, |
| DPMAC_ETH_IF_QSGMII, |
| DPMAC_ETH_IF_XAUI, |
| DPMAC_ETH_IF_XFI |
| }; |
| |
| /** |
| * struct dpmac_cfg - Structure representing DPMAC configuration |
| * @mac_id: Represents the Hardware MAC ID; in case of multiple WRIOP, |
| * the MAC IDs are continuous. |
| * For example: 2 WRIOPs, 16 MACs in each: |
| * MAC IDs for the 1st WRIOP: 1-16, |
| * MAC IDs for the 2nd WRIOP: 17-32. |
| */ |
| struct dpmac_cfg { |
| int mac_id; |
| }; |
| |
| /** |
| * dpmac_create() - Create the DPMAC object. |
| * @mc_io: Pointer to MC portal's I/O object |
| * @token: Authentication token. |
| * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' |
| * @cfg: Configuration structure |
| * @obj_id: Returned obj_id; use in subsequent API calls |
| * |
| * Create the DPMAC object, allocate required resources and |
| * perform required initialization. |
| * |
| * The object can be created either by declaring it in the |
| * DPL file, or by calling this function. |
| * This function returns a unique authentication token, |
| * associated with the specific object ID and the specific MC |
| * portal; this token must be used in all subsequent calls to |
| * this specific object. For objects that are created using the |
| * DPL file, call dpmac_open function to get an authentication |
| * token first. |
| * |
| * Return: '0' on Success; Error code otherwise. |
| */ |
| int dpmac_create(struct fsl_mc_io *mc_io, |
| uint16_t token, |
| uint32_t cmd_flags, |
| const struct dpmac_cfg *cfg, |
| uint32_t *obj_id); |
| |
| /** |
| * dpmac_destroy() - Destroy the DPMAC object and release all its resources. |
| * @mc_io: Pointer to MC portal's I/O object |
| * @token: Authentication token. |
| * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' |
| * @obj_id: DPMAC object id |
| * |
| * Return: '0' on Success; error code otherwise. |
| */ |
| int dpmac_destroy(struct fsl_mc_io *mc_io, |
| uint16_t token, |
| uint32_t cmd_flags, |
| uint32_t obj_id); |
| |
| /* DPMAC IRQ Index and Events */ |
| |
| /* IRQ index */ |
| #define DPMAC_IRQ_INDEX 0 |
| /* IRQ event - indicates a change in link state */ |
| #define DPMAC_IRQ_EVENT_LINK_CFG_REQ 0x00000001 |
| /* irq event - Indicates that the link state changed */ |
| #define DPMAC_IRQ_EVENT_LINK_CHANGED 0x00000002 |
| |
| /** |
| * struct dpmac_attr - Structure representing DPMAC attributes |
| * @id: DPMAC object ID |
| * @phy_id: PHY ID |
| * @link_type: link type |
| * @eth_if: Ethernet interface |
| * @max_rate: Maximum supported rate - in Mbps |
| * @version: DPMAC version |
| */ |
| struct dpmac_attr { |
| int id; |
| int phy_id; |
| enum dpmac_link_type link_type; |
| enum dpmac_eth_if eth_if; |
| uint32_t max_rate; |
| }; |
| |
| /** |
| * dpmac_get_attributes - Retrieve DPMAC attributes. |
| * |
| * @mc_io: Pointer to MC portal's I/O object |
| * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' |
| * @token: Token of DPMAC object |
| * @attr: Returned object's attributes |
| * |
| * Return: '0' on Success; Error code otherwise. |
| */ |
| int dpmac_get_attributes(struct fsl_mc_io *mc_io, |
| uint32_t cmd_flags, |
| uint16_t token, |
| struct dpmac_attr *attr); |
| |
| /** |
| * struct dpmac_mdio_cfg - DPMAC MDIO read/write parameters |
| * @phy_addr: MDIO device address |
| * @reg: Address of the register within the Clause 45 PHY device from which data |
| * is to be read |
| * @data: Data read/write from/to MDIO |
| */ |
| struct dpmac_mdio_cfg { |
| uint8_t phy_addr; |
| uint8_t reg; |
| uint16_t data; |
| }; |
| |
| /** |
| * dpmac_mdio_read() - Perform MDIO read transaction |
| * @mc_io: Pointer to opaque I/O object |
| * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' |
| * @token: Token of DPMAC object |
| * @cfg: Structure with MDIO transaction parameters |
| * |
| * Return: '0' on Success; Error code otherwise. |
| */ |
| int dpmac_mdio_read(struct fsl_mc_io *mc_io, |
| uint32_t cmd_flags, |
| uint16_t token, |
| struct dpmac_mdio_cfg *cfg); |
| |
| /** |
| * dpmac_mdio_write() - Perform MDIO write transaction |
| * @mc_io: Pointer to opaque I/O object |
| * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' |
| * @token: Token of DPMAC object |
| * @cfg: Structure with MDIO transaction parameters |
| * |
| * Return: '0' on Success; Error code otherwise. |
| */ |
| int dpmac_mdio_write(struct fsl_mc_io *mc_io, |
| uint32_t cmd_flags, |
| uint16_t token, |
| struct dpmac_mdio_cfg *cfg); |
| |
| /* DPMAC link configuration/state options */ |
| |
| /* Enable auto-negotiation */ |
| #define DPMAC_LINK_OPT_AUTONEG 0x0000000000000001ULL |
| /* Enable half-duplex mode */ |
| #define DPMAC_LINK_OPT_HALF_DUPLEX 0x0000000000000002ULL |
| /* Enable pause frames */ |
| #define DPMAC_LINK_OPT_PAUSE 0x0000000000000004ULL |
| /* Enable a-symmetric pause frames */ |
| #define DPMAC_LINK_OPT_ASYM_PAUSE 0x0000000000000008ULL |
| |
| /** |
| * struct dpmac_link_cfg - Structure representing DPMAC link configuration |
| * @rate: Link's rate - in Mbps |
| * @options: Enable/Disable DPMAC link cfg features (bitmap) |
| */ |
| struct dpmac_link_cfg { |
| uint32_t rate; |
| uint64_t options; |
| }; |
| |
| /** |
| * dpmac_get_link_cfg() - Get Ethernet link configuration |
| * @mc_io: Pointer to opaque I/O object |
| * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' |
| * @token: Token of DPMAC object |
| * @cfg: Returned structure with the link configuration |
| * |
| * Return: '0' on Success; Error code otherwise. |
| */ |
| int dpmac_get_link_cfg(struct fsl_mc_io *mc_io, |
| uint32_t cmd_flags, |
| uint16_t token, |
| struct dpmac_link_cfg *cfg); |
| |
| /** |
| * struct dpmac_link_state - DPMAC link configuration request |
| * @rate: Rate in Mbps |
| * @options: Enable/Disable DPMAC link cfg features (bitmap) |
| * @up: Link state |
| */ |
| struct dpmac_link_state { |
| uint32_t rate; |
| uint64_t options; |
| int up; |
| }; |
| |
| /** |
| * dpmac_set_link_state() - Set the Ethernet link status |
| * @mc_io: Pointer to opaque I/O object |
| * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' |
| * @token: Token of DPMAC object |
| * @link_state: Link state configuration |
| * |
| * Return: '0' on Success; Error code otherwise. |
| */ |
| int dpmac_set_link_state(struct fsl_mc_io *mc_io, |
| uint32_t cmd_flags, |
| uint16_t token, |
| struct dpmac_link_state *link_state); |
| |
| /** |
| * enum dpni_counter - DPNI counter types |
| * @DPMAC_CNT_ING_FRAME_64: counts 64-octet frame, good or bad. |
| * @DPMAC_CNT_ING_FRAME_127: counts 65- to 127-octet frame, good or bad. |
| * @DPMAC_CNT_ING_FRAME_255: counts 128- to 255-octet frame, good or bad. |
| * @DPMAC_CNT_ING_FRAME_511: counts 256- to 511-octet frame, good or bad. |
| * @DPMAC_CNT_ING_FRAME_1023: counts 512- to 1023-octet frame, good or bad. |
| * @DPMAC_CNT_ING_FRAME_1518: counts 1024- to 1518-octet frame, good or bad. |
| * @DPMAC_CNT_ING_FRAME_1519_MAX: counts 1519-octet frame and larger |
| * (up to max frame length specified), |
| * good or bad. |
| * @DPMAC_CNT_ING_FRAG: counts packet which is shorter than 64 octets received |
| * with a wrong CRC |
| * @DPMAC_CNT_ING_JABBER: counts packet longer than the maximum frame length |
| * specified, with a bad frame check sequence. |
| * @DPMAC_CNT_ING_FRAME_DISCARD: counts dropped packet due to internal errors. |
| * Occurs when a receive FIFO overflows. |
| * Includes also packets truncated as a result of |
| * the receive FIFO overflow. |
| * @DPMAC_CNT_ING_ALIGN_ERR: counts frame with an alignment error |
| * (optional used for wrong SFD) |
| * @DPMAC_CNT_EGR_UNDERSIZED: counts packet transmitted that was less than 64 |
| * octets long with a good CRC. |
| * @DPMAC_CNT_ING_OVERSIZED: counts packet longer than the maximum frame length |
| * specified, with a good frame check sequence. |
| * @DPMAC_CNT_ING_VALID_PAUSE_FRAME: counts valid pause frame (regular and PFC). |
| * @DPMAC_CNT_EGR_VALID_PAUSE_FRAME: counts valid pause frame transmitted |
| * (regular and PFC). |
| * @DPMAC_CNT_ING_BYTE: counts octet received except preamble for all valid |
| * frames and valid pause frames. |
| * @DPMAC_CNT_ING_MCAST_FRAME: counts received multicast frame |
| * @DPMAC_CNT_ING_BCAST_FRAME: counts received broadcast frame |
| * @DPMAC_CNT_ING_ALL_FRAME: counts each good or bad packet received. |
| * @DPMAC_CNT_ING_UCAST_FRAME: counts received unicast frame |
| * @DPMAC_CNT_ING_ERR_FRAME: counts frame received with an error |
| * (except for undersized/fragment frame) |
| * @DPMAC_CNT_EGR_BYTE: counts octet transmitted except preamble for all valid |
| * frames and valid pause frames transmitted. |
| * @DPMAC_CNT_EGR_MCAST_FRAME: counts transmitted multicast frame |
| * @DPMAC_CNT_EGR_BCAST_FRAME: counts transmitted broadcast frame |
| * @DPMAC_CNT_EGR_UCAST_FRAME: counts transmitted unicast frame |
| * @DPMAC_CNT_EGR_ERR_FRAME: counts frame transmitted with an error |
| * @DPMAC_CNT_ING_GOOD_FRAME: counts frame received without error, including |
| * pause frames. |
| */ |
| enum dpmac_counter { |
| DPMAC_CNT_ING_FRAME_64, |
| DPMAC_CNT_ING_FRAME_127, |
| DPMAC_CNT_ING_FRAME_255, |
| DPMAC_CNT_ING_FRAME_511, |
| DPMAC_CNT_ING_FRAME_1023, |
| DPMAC_CNT_ING_FRAME_1518, |
| DPMAC_CNT_ING_FRAME_1519_MAX, |
| DPMAC_CNT_ING_FRAG, |
| DPMAC_CNT_ING_JABBER, |
| DPMAC_CNT_ING_FRAME_DISCARD, |
| DPMAC_CNT_ING_ALIGN_ERR, |
| DPMAC_CNT_EGR_UNDERSIZED, |
| DPMAC_CNT_ING_OVERSIZED, |
| DPMAC_CNT_ING_VALID_PAUSE_FRAME, |
| DPMAC_CNT_EGR_VALID_PAUSE_FRAME, |
| DPMAC_CNT_ING_BYTE, |
| DPMAC_CNT_ING_MCAST_FRAME, |
| DPMAC_CNT_ING_BCAST_FRAME, |
| DPMAC_CNT_ING_ALL_FRAME, |
| DPMAC_CNT_ING_UCAST_FRAME, |
| DPMAC_CNT_ING_ERR_FRAME, |
| DPMAC_CNT_EGR_BYTE, |
| DPMAC_CNT_EGR_MCAST_FRAME, |
| DPMAC_CNT_EGR_BCAST_FRAME, |
| DPMAC_CNT_EGR_UCAST_FRAME, |
| DPMAC_CNT_EGR_ERR_FRAME, |
| DPMAC_CNT_ING_GOOD_FRAME |
| }; |
| |
| /** |
| * dpmac_get_counter() - Read a specific DPMAC counter |
| * @mc_io: Pointer to opaque I/O object |
| * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' |
| * @token: Token of DPMAC object |
| * @type: The requested counter |
| * @counter: Returned counter value |
| * |
| * Return: The requested counter; '0' otherwise. |
| */ |
| int dpmac_get_counter(struct fsl_mc_io *mc_io, |
| uint32_t cmd_flags, |
| uint16_t token, |
| enum dpmac_counter type, |
| uint64_t *counter); |
| /** |
| * dpmac_get_api_version - Retrieve DPMAC Major and Minor version info. |
| * |
| * @mc_io: Pointer to MC portal's I/O object |
| * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' |
| * @major_ver: DPMAC major version |
| * @minor_ver: DPMAC minor version |
| * |
| * Return: '0' on Success; Error code otherwise. |
| */ |
| int dpmac_get_api_version(struct fsl_mc_io *mc_io, |
| uint32_t cmd_flags, |
| uint16_t *major_ver, |
| uint16_t *minor_ver); |
| |
| #endif /* __FSL_DPMAC_H */ |