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62e8ccc3a4
We've removed kernel option EXT_RESOURCES almost two years ago. While it was ok to have some code under a common 'extres' subdirectory at first, we now have a lot of consumer of it and we made it mandatory so no need to have it under a cryptic name. Reviewed by: mhorne Sponsored by: Beckhoff Automation GmbH & Co. KG Differential Revision: https://reviews.freebsd.org/D43196
135 lines
3 KiB
Objective-C
135 lines
3 KiB
Objective-C
#-
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# Copyright (c) 2015 Michal Meloun
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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#
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#include <machine/bus.h>
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INTERFACE syscon;
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HEADER {
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struct syscon;
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int syscon_get_handle_default(device_t dev, struct syscon **syscon);
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}
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CODE {
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#include <sys/systm.h>
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#include <sys/bus.h>
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int
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syscon_get_handle_default(device_t dev, struct syscon **syscon)
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{
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device_t parent;
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parent = device_get_parent(dev);
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if (parent == NULL)
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return (ENODEV);
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return (SYSCON_GET_HANDLE(parent, syscon));
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}
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static void
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syscon_device_lock_default(device_t dev)
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{
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panic("syscon_device_lock is not implemented");
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};
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static void
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syscon_device_unlock_default(device_t dev)
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{
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panic("syscon_device_unlock is not implemented");
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};
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}
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METHOD int init {
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struct syscon *syscon;
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};
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METHOD int uninit {
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struct syscon *syscon;
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};
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/**
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* Accessor functions for syscon register space
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*/
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METHOD uint32_t read_4 {
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struct syscon *syscon;
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bus_size_t offset;
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};
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METHOD int write_4 {
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struct syscon *syscon;
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bus_size_t offset;
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uint32_t val;
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};
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METHOD int modify_4 {
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struct syscon *syscon;
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bus_size_t offset;
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uint32_t clear_bits;
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uint32_t set_bits;
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};
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/**
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* Unlocked verion of access function
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*/
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METHOD uint32_t unlocked_read_4 {
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struct syscon *syscon;
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bus_size_t offset;
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};
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METHOD int unlocked_write_4 {
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struct syscon *syscon;
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bus_size_t offset;
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uint32_t val;
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};
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METHOD int unlocked_modify_4 {
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struct syscon *syscon;
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bus_size_t offset;
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uint32_t clear_bits;
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uint32_t set_bits;
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};
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/**
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* Locking for exclusive access to underlying device
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*/
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METHOD void device_lock {
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device_t dev;
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} DEFAULT syscon_device_lock_default;
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METHOD void device_unlock {
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device_t dev;
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} DEFAULT syscon_device_unlock_default;
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/**
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* Get syscon handle from parent driver
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*/
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METHOD int get_handle {
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device_t dev;
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struct syscon **syscon;
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} DEFAULT syscon_get_handle_default;
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