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Diffstat (limited to 'include/fsl-mc/fsl_dpmac.h')
-rw-r--r-- | include/fsl-mc/fsl_dpmac.h | 285 |
1 files changed, 285 insertions, 0 deletions
diff --git a/include/fsl-mc/fsl_dpmac.h b/include/fsl-mc/fsl_dpmac.h new file mode 100644 index 00000000000..a8e9e4684a5 --- /dev/null +++ b/include/fsl-mc/fsl_dpmac.h @@ -0,0 +1,285 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Freescale Layerscape MC I/O wrapper + * + * Copyright 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_RESET 0x0051 + +#define DPMAC_CMDID_SET_LINK_STATE 0x0c31 +#define DPMAC_CMDID_GET_COUNTER 0x0c41 + +/* Macros for accessing command fields smaller than 1byte */ +#define DPMAC_MASK(field) \ + GENMASK(DPMAC_##field##_SHIFT + DPMAC_##field##_SIZE - 1, \ + DPMAC_##field##_SHIFT) +#define dpmac_set_field(var, field, val) \ + ((var) |= (((val) << DPMAC_##field##_SHIFT) & DPMAC_MASK(field))) +#define dpmac_get_field(var, field) \ + (((var) & DPMAC_MASK(field)) >> DPMAC_##field##_SHIFT) + +#pragma pack(push, 1) +struct dpmac_cmd_open { + __le32 dpmac_id; +}; + +struct dpmac_cmd_create { + __le32 mac_id; +}; + +struct dpmac_cmd_destroy { + __le32 dpmac_id; +}; + +#define DPMAC_STATE_SIZE 1 +#define DPMAC_STATE_SHIFT 0 +#define DPMAC_STATE_VALID_SIZE 1 +#define DPMAC_STATE_VALID_SHIFT 1 + +struct dpmac_cmd_set_link_state { + __le64 options; + __le32 rate; + __le32 pad; + /* only least significant bit is valid */ + u8 up; + u8 pad0[7]; + __le64 supported; + __le64 advertising; +}; + +struct dpmac_cmd_get_counter { + u8 type; +}; + +struct dpmac_rsp_get_counter { + __le64 pad; + __le64 counter; +}; + +#pragma pack(pop) + +/* Data Path MAC API + * Contains initialization APIs and runtime control APIs for DPMAC + */ + +struct fsl_mc_io; + +int dpmac_open(struct fsl_mc_io *mc_io, u32 cmd_flags, int dpmac_id, u16 *token); + +int dpmac_close(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token); + +/** + * 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; +}; + +int dpmac_create(struct fsl_mc_io *mc_io, u16 dprc_token, u32 cmd_flags, + const struct dpmac_cfg *cfg, u32 *obj_id); + +int dpmac_destroy(struct fsl_mc_io *mc_io, u16 dprc_token, u32 cmd_flags, + u32 object_id); + +/** + * 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 +}; + +/* 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; + u32 max_rate; +}; + +/* 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_state - DPMAC link configuration request + * @rate: Rate in Mbps + * @options: Enable/Disable DPMAC link cfg features (bitmap) + * @up: Link state + * @state_valid: Ignore/Update the state of the link + * @supported: Speeds capability of the phy (bitmap) + * @advertising: Speeds that are advertised for autoneg (bitmap) + */ +struct dpmac_link_state { + u32 rate; + u64 options; + int up; + int state_valid; + u64 supported; + u64 advertising; +}; + +int dpmac_set_link_state(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 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. + * @DPMAC_CNT_EGR_GOOD_FRAME: counts frames transmitted 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_CNT_EGR_GOOD_FRAME, +}; + +int dpmac_get_counter(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, + enum dpmac_counter type, u64 *counter); + +int dpmac_get_api_version(struct fsl_mc_io *mc_io, u32 cmd_flags, + u16 *major_ver, u16 *minor_ver); + +#endif /* __FSL_DPMAC_H */ |