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 29#include <sys/bus.h> 30#include <sys/types.h> 31#include <dev/thunderbolt/tb_reg.h> 32 33INTERFACE tb; 34 35CODE { 36 struct nhi_softc; 37 38 int 39 tb_generic_find_ufp(device_t dev, device_t *ufp) 40 { 41 device_t parent; 42 43 parent = device_get_parent(dev); 44 if (parent == NULL) 45 return (EOPNOTSUPP); 46 47 return (TB_FIND_UFP(parent, ufp)); 48 } 49 50 int 51 tb_generic_get_debug(device_t dev, u_int *debug) 52 { 53 device_t parent; 54 55 parent = device_get_parent(dev); 56 if (parent == NULL) 57 return (EOPNOTSUPP); 58 59 return (TB_GET_DEBUG(parent, debug)); 60 } 61 62} 63 64HEADER { 65 struct nhi_softc; 66 67 struct tb_lcmbox_cmd { 68 uint32_t cmd; 69 uint32_t cmd_resp; 70 uint32_t data_in; 71 uint32_t data_out; 72 }; 73 74 int tb_generic_find_ufp(device_t, device_t *); 75 int tb_generic_get_debug(device_t, u_int *); 76} 77 78# 79# Read the LC Mailbox 80# 81METHOD int lc_mailbox { 82 device_t dev; 83 struct tb_lcmbox_cmd *cmd; 84}; 85 86# 87# Read from the PCIE2CIO port 88# 89METHOD int pcie2cio_read { 90 device_t dev; 91 u_int space; 92 u_int port; 93 u_int index; 94 uint32_t *val; 95} 96 97# 98# Write to the PCIE2CIO port 99# 100METHOD int pcie2cio_write { 101 device_t dev; 102 u_int space; 103 u_int port; 104 u_int index; 105 uint32_t val; 106} 107 108# 109# Return the device that's the upstream facing port 110# 111METHOD int find_ufp { 112 device_t dev; 113 device_t *ufp; 114} DEFAULT tb_generic_find_ufp; 115 116METHOD int get_debug { 117 device_t dev; 118 u_int *debug; 119} DEFAULT tb_generic_get_debug; 120