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- /* SPDX-License-Identifier: GPL-2.0 */
- /*
- * USB4 port sideband registers found on routers and retimers
- *
- * Copyright (C) 2020, Intel Corporation
- * Authors: Mika Westerberg <mika.westerberg@linux.intel.com>
- * Rajmohan Mani <rajmohan.mani@intel.com>
- */
- #ifndef _SB_REGS
- #define _SB_REGS
- #define USB4_SB_VENDOR_ID 0x00
- #define USB4_SB_PRODUCT_ID 0x01
- #define USB4_SB_OPCODE 0x08
- enum usb4_sb_opcode {
- USB4_SB_OPCODE_ERR = 0x20525245, /* "ERR " */
- USB4_SB_OPCODE_ONS = 0x444d4321, /* "!CMD" */
- USB4_SB_OPCODE_ENUMERATE_RETIMERS = 0x4d554e45, /* "ENUM" */
- USB4_SB_OPCODE_QUERY_LAST_RETIMER = 0x5453414c, /* "LAST" */
- USB4_SB_OPCODE_GET_NVM_SECTOR_SIZE = 0x53534e47, /* "GNSS" */
- USB4_SB_OPCODE_NVM_SET_OFFSET = 0x53504f42, /* "BOPS" */
- USB4_SB_OPCODE_NVM_BLOCK_WRITE = 0x574b4c42, /* "BLKW" */
- USB4_SB_OPCODE_NVM_AUTH_WRITE = 0x48545541, /* "AUTH" */
- USB4_SB_OPCODE_NVM_READ = 0x52524641, /* "AFRR" */
- };
- #define USB4_SB_METADATA 0x09
- #define USB4_SB_METADATA_NVM_AUTH_WRITE_MASK GENMASK(5, 0)
- #define USB4_SB_DATA 0x12
- #endif
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