7a8917b25d
Reviewed by: mmel, adrian (mentor) Approved by: adrian (mentor) Differential Revision: https://reviews.freebsd.org/D5750
139 lines
3.2 KiB
Objective-C
139 lines
3.2 KiB
Objective-C
#-
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# Copyright 2016 Michal Meloun <mmel@FreeBSD.org>
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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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# $FreeBSD$
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#
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#include <machine/bus.h>
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INTERFACE clkdev;
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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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static int
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clkdev_default_write_4(device_t dev, bus_addr_t addr, uint32_t val)
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{
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device_t pdev;
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pdev = device_get_parent(dev);
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if (pdev == NULL)
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return (ENXIO);
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return (CLKDEV_WRITE_4(pdev, addr, val));
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}
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static int
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clkdev_default_read_4(device_t dev, bus_addr_t addr, uint32_t *val)
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{
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device_t pdev;
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pdev = device_get_parent(dev);
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if (pdev == NULL)
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return (ENXIO);
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return (CLKDEV_READ_4(pdev, addr, val));
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}
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static int
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clkdev_default_modify_4(device_t dev, bus_addr_t addr,
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uint32_t clear_mask, uint32_t set_mask)
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{
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device_t pdev;
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pdev = device_get_parent(dev);
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if (pdev == NULL)
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return (ENXIO);
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return (CLKDEV_MODIFY_4(pdev, addr, clear_mask, set_mask));
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}
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static void
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clkdev_default_device_lock(device_t dev)
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{
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device_t pdev;
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pdev = device_get_parent(dev);
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if (pdev == NULL)
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panic("clkdev_device_lock not implemented");
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CLKDEV_DEVICE_LOCK(pdev);
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}
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static void
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clkdev_default_device_unlock(device_t dev)
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{
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device_t pdev;
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pdev = device_get_parent(dev);
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if (pdev == NULL)
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panic("clkdev_device_unlock not implemented");
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CLKDEV_DEVICE_UNLOCK(pdev);
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}
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}
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#
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# Write single register
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#
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METHOD int write_4 {
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device_t dev;
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bus_addr_t addr;
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uint32_t val;
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} DEFAULT clkdev_default_write_4;
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#
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# Read single register
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#
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METHOD int read_4 {
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device_t dev;
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bus_addr_t addr;
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uint32_t *val;
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} DEFAULT clkdev_default_read_4;
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#
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# Modify single register
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#
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METHOD int modify_4 {
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device_t dev;
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bus_addr_t addr;
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uint32_t clear_mask;
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uint32_t set_mask;
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} DEFAULT clkdev_default_modify_4;
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#
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# Get 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 clkdev_default_device_lock;
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#
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# Release exclusive access to underlying device
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#
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METHOD void device_unlock {
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device_t dev;
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} DEFAULT clkdev_default_device_unlock;
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