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/*
* 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_ */
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