/* * Copyright (c) 2010 * Ben Gray <ben.r.gray@gmail.com>. * 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. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Ben Gray. * 4. The name of the company nor the name of the author may be used to * endorse or promote products derived from this software without specific * prior written permission. * * THIS SOFTWARE IS PROVIDED BY BEN GRAY ``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 BEN GRAY 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. * * $FreeBSD$ */ /** * Functions to configure the PIN multiplexing on the chip. * * This is different from the GPIO module in that it is used to configure the * pins between modules not just GPIO input output. * */ #ifndef _TI_PINMUX_H_ #define _TI_PINMUX_H_ struct ti_pinmux_padconf { uint16_t reg_off; uint16_t gpio_pin; uint16_t gpio_mode; const char *ballname; const char *muxmodes[8]; }; struct ti_pinmux_padstate { const char *state; uint16_t reg; }; struct ti_pinmux_device { uint16_t padconf_muxmode_mask; uint16_t padconf_sate_mask; const struct ti_pinmux_padstate *padstate; const struct ti_pinmux_padconf *padconf; }; struct ti_pinmux_softc { device_t sc_dev; struct resource * sc_res[4]; bus_space_tag_t sc_bst; bus_space_handle_t sc_bsh; }; int ti_pinmux_padconf_set(const char *padname, const char *muxmode, unsigned int state); int ti_pinmux_padconf_get(const char *padname, const char **muxmode, unsigned int *state); int ti_pinmux_padconf_set_gpiomode(uint32_t gpio, unsigned int state); int ti_pinmux_padconf_get_gpiomode(uint32_t gpio, unsigned int *state); #endif /* _TI_SCM_H_ */ |