/*
 * 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.
 */

/**
 *      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_ */