diff options
| author | Mika Westerberg <mika.westerberg@linux.intel.com> | 2023-03-21 11:40:49 +0200 |
|---|---|---|
| committer | Mika Westerberg <mika.westerberg@linux.intel.com> | 2024-06-17 12:47:12 +0300 |
| commit | ff6ab055e070d819f51196622e08f8941b6d2a4b (patch) | |
| tree | a25e205a3055875b0a003f1a8b7747aa00866abc /drivers/thunderbolt/sb_regs.h | |
| parent | 0890fc36c70c8d5e80dc128c3a9d7a9122646869 (diff) | |
thunderbolt: Add receiver lane margining support for retimers
Retimers support lane margining as well so make this available through
debugfs in the same way as we do for the USB4 ports. When this is
enabled we also expose retimers on the other side of the cable because
typically margining is implemented only on direction towards the cable.
However, for the retimers on the other side of the cable we do not allow
NVM upgrade to avoid confusing the existing userspace (the same retimer
may now appear twice with different name) and is probably not a good
idea anyway.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Diffstat (limited to 'drivers/thunderbolt/sb_regs.h')
| -rw-r--r-- | drivers/thunderbolt/sb_regs.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/thunderbolt/sb_regs.h b/drivers/thunderbolt/sb_regs.h index b2a6add82161..a29ef3c19422 100644 --- a/drivers/thunderbolt/sb_regs.h +++ b/drivers/thunderbolt/sb_regs.h @@ -26,6 +26,7 @@ enum usb4_sb_opcode { USB4_SB_OPCODE_SET_INBOUND_SBTX = 0x5055534c, /* "LSUP" */ USB4_SB_OPCODE_UNSET_INBOUND_SBTX = 0x50555355, /* "USUP" */ USB4_SB_OPCODE_QUERY_LAST_RETIMER = 0x5453414c, /* "LAST" */ + USB4_SB_OPCODE_QUERY_CABLE_RETIMER = 0x524c4243, /* "CBLR" */ 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" */ |