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117 lines
2.9 KiB
Objective-C
117 lines
2.9 KiB
Objective-C
#-
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# Copyright (c) 2014 Ian Lepore
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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 <sys/types.h>
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#include <sys/bus.h>
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#include <dev/ofw/openfirm.h>
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#
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# This is the interface that fdt_pinctrl drivers provide to other drivers.
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#
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INTERFACE fdt_pinctrl;
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CODE {
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static int
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fdt_pinctrl_default_is_gpio(device_t pinctrl, device_t gpio, bool *is_gpio)
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{
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return (EOPNOTSUPP);
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}
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static int
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fdt_pinctrl_default_set_flags(device_t pinctrl, device_t gpio, uint32_t pin,
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uint32_t flags)
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{
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return (EOPNOTSUPP);
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}
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static int
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fdt_pinctrl_default_get_flags(device_t pinctrl, device_t gpio, uint32_t pin,
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uint32_t *flags)
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{
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return (EOPNOTSUPP);
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}
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};
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# Needed for timestamping device probe/attach calls
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HEADER {
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#include <sys/tslog.h>
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}
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#
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# Set pins to the specified configuration. The cfgxref arg is an xref phandle
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# to a descendent node (child, grandchild, ...) of the pinctrl device node.
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# Returns 0 on success or a standard errno value.
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#
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PROLOG {
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TSENTER2(device_get_name(pinctrl));
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}
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EPILOG {
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TSEXIT2(device_get_name(pinctrl));
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}
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METHOD int configure {
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device_t pinctrl;
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phandle_t cfgxref;
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};
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#
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# Test if the pin is in gpio mode
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# Called from a gpio device
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#
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METHOD int is_gpio {
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device_t pinctrl;
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device_t gpio;
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uint32_t pin;
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bool *is_gpio;
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} DEFAULT fdt_pinctrl_default_is_gpio;
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#
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# Set the flags of a pin
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# Called from a gpio device
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#
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METHOD int set_flags {
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device_t pinctrl;
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device_t gpio;
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uint32_t pin;
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uint32_t flags;
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} DEFAULT fdt_pinctrl_default_set_flags;
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#
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# Get the flags of a pin
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# Called from a gpio device
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#
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METHOD int get_flags {
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device_t pinctrl;
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device_t gpio;
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uint32_t pin;
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uint32_t *flags;
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} DEFAULT fdt_pinctrl_default_get_flags;
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