1#- 2# SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3# 4# Copyright (c) 2022 Scott Long 5# All rights reserved. 6# 7# Redistribution and use in source and binary forms, with or without 8# modification, are permitted provided that the following conditions 9# are met: 10# 1. Redistributions of source code must retain the above copyright 11# notice, this list of conditions and the following disclaimer. 12# 2. Redistributions in binary form must reproduce the above copyright 13# notice, this list of conditions and the following disclaimer in the 14# documentation and/or other materials provided with the distribution. 15# 16# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26# SUCH DAMAGE. 27# 28# $FreeBSD$ 29# 30 31#include <sys/bus.h> 32#include <sys/types.h> 33#include <dev/thunderbolt/tb_reg.h> 34 35INTERFACE tb; 36 37CODE { 38 struct nhi_softc; 39 40 int 41 tb_generic_find_ufp(device_t dev, device_t *ufp) 42 { 43 device_t parent; 44 45 parent = device_get_parent(dev); 46 if (parent == NULL) 47 return (EOPNOTSUPP); 48 49 return (TB_FIND_UFP(parent, ufp)); 50 } 51 52 int 53 tb_generic_get_debug(device_t dev, u_int *debug) 54 { 55 device_t parent; 56 57 parent = device_get_parent(dev); 58 if (parent == NULL) 59 return (EOPNOTSUPP); 60 61 return (TB_GET_DEBUG(parent, debug)); 62 } 63 64} 65 66HEADER { 67 struct nhi_softc; 68 69 struct tb_lcmbox_cmd { 70 uint32_t cmd; 71 uint32_t cmd_resp; 72 uint32_t data_in; 73 uint32_t data_out; 74 }; 75 76 int tb_generic_find_ufp(device_t, device_t *); 77 int tb_generic_get_debug(device_t, u_int *); 78} 79 80# 81# Read the LC Mailbox 82# 83METHOD int lc_mailbox { 84 device_t dev; 85 struct tb_lcmbox_cmd *cmd; 86}; 87 88# 89# Read from the PCIE2CIO port 90# 91METHOD int pcie2cio_read { 92 device_t dev; 93 u_int space; 94 u_int port; 95 u_int index; 96 uint32_t *val; 97} 98 99# 100# Write to the PCIE2CIO port 101# 102METHOD int pcie2cio_write { 103 device_t dev; 104 u_int space; 105 u_int port; 106 u_int index; 107 uint32_t val; 108} 109 110# 111# Return the device that's the upstream facing port 112# 113METHOD int find_ufp { 114 device_t dev; 115 device_t *ufp; 116} DEFAULT tb_generic_find_ufp; 117 118METHOD int get_debug { 119 device_t dev; 120 u_int *debug; 121} DEFAULT tb_generic_get_debug; 122