#- # Copyright (c) 2014 Ian Lepore # All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions # are met: # 1. Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # 2. Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the distribution. # # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF # SUCH DAMAGE. # # $FreeBSD$ # #include <sys/types.h> #include <sys/bus.h> #include <dev/ofw/openfirm.h> # # This is the interface that fdt_pinctrl drivers provide to other drivers. # INTERFACE fdt_pinctrl; CODE { static int fdt_pinctrl_default_is_gpio(device_t pinctrl, device_t gpio, bool *is_gpio) { return (EOPNOTSUPP); } static int fdt_pinctrl_default_set_flags(device_t pinctrl, device_t gpio, uint32_t pin, uint32_t flags) { return (EOPNOTSUPP); } static int fdt_pinctrl_default_get_flags(device_t pinctrl, device_t gpio, uint32_t pin, uint32_t *flags) { return (EOPNOTSUPP); } }; # Needed for timestamping device probe/attach calls HEADER { #include <sys/tslog.h> } # # Set pins to the specified configuration. The cfgxref arg is an xref phandle # to a descendent node (child, grandchild, ...) of the pinctrl device node. # Returns 0 on success or a standard errno value. # PROLOG { TSENTER2(device_get_name(pinctrl)); } EPILOG { TSEXIT2(device_get_name(pinctrl)); } METHOD int configure { device_t pinctrl; phandle_t cfgxref; }; # # Test if the pin is in gpio mode # Called from a gpio device # METHOD int is_gpio { device_t pinctrl; device_t gpio; uint32_t pin; bool *is_gpio; } DEFAULT fdt_pinctrl_default_is_gpio; # # Set the flags of a pin # Called from a gpio device # METHOD int set_flags { device_t pinctrl; device_t gpio; uint32_t pin; uint32_t flags; } DEFAULT fdt_pinctrl_default_set_flags; # # Get the flags of a pin # Called from a gpio device # METHOD int get_flags { device_t pinctrl; device_t gpio; uint32_t pin; uint32_t *flags; } DEFAULT fdt_pinctrl_default_get_flags;