/* $NetBSD: w83l518d.c,v 1.3 2020/05/11 14:55:20 jdc Exp $ */

/*
* Copyright (c) 2009 Jared D. McNeill <[email protected]>
* 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. The name of the author may not be used to endorse or promote products
*    derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
*/

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: w83l518d.c,v 1.3 2020/05/11 14:55:20 jdc Exp $");

#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/systm.h>
#include <sys/errno.h>
#include <sys/ioctl.h>
#include <sys/syslog.h>
#include <sys/device.h>
#include <sys/proc.h>

#include <sys/bus.h>

#include <dev/ic/w83l518dreg.h>
#include <dev/ic/w83l518dvar.h>
#include <dev/ic/w83l518d_sdmmc.h>

uint8_t
wb_idx_read(struct wb_softc *wb, uint8_t reg)
{
       bus_space_write_1(wb->wb_iot, wb->wb_ioh, WB_SD_INDEX, reg);
       return bus_space_read_1(wb->wb_iot, wb->wb_ioh, WB_SD_DATA);
}

void
wb_idx_write(struct wb_softc *wb, uint8_t reg, uint8_t val)
{
       bus_space_write_1(wb->wb_iot, wb->wb_ioh, WB_SD_INDEX, reg);
       bus_space_write_1(wb->wb_iot, wb->wb_ioh, WB_SD_DATA, val);
}

uint8_t
wb_read(struct wb_softc *wb, uint8_t reg)
{
       return bus_space_read_1(wb->wb_iot, wb->wb_ioh, reg);
}

void
wb_write(struct wb_softc *wb, uint8_t reg, uint8_t val)
{
       bus_space_write_1(wb->wb_iot, wb->wb_ioh, reg, val);
}

void
wb_led(struct wb_softc *wb, bool enable)
{
       uint8_t val;

       val = wb_read(wb, WB_SD_CSR);
       if (enable)
               val |= WB_CSR_MS_LED;
       else
               val &= ~WB_CSR_MS_LED;
       wb_write(wb, WB_SD_CSR, val);
}

void
wb_attach(struct wb_softc *wb)
{
       switch (wb->wb_type) {
       case WB_DEVNO_SD:
               aprint_verbose_dev(wb->wb_dev,
                   "SD/MMC Reader\n");
               wb_sdmmc_attach(wb);
               break;
       case WB_DEVNO_MS:
               aprint_verbose_dev(wb->wb_dev,
                   "Memory Stick Reader (not supported)\n");
               break;
       case WB_DEVNO_SC:
               aprint_verbose_dev(wb->wb_dev,
                   "Smart Card Reader (not supported)\n");
               break;
       case WB_DEVNO_GPIO:
               aprint_verbose_dev(wb->wb_dev,
                   "GPIO (not supported)\n");
               break;
       }
}

int
wb_detach(struct wb_softc *wb, int flags)
{
       switch (wb->wb_type) {
       case WB_DEVNO_SD:
               wb_sdmmc_detach(wb, flags);
               break;
       }

       return 0;
}

/*
* intr handler
*/
int
wb_intr(void *opaque)
{
       struct wb_softc *wb = opaque;

       switch (wb->wb_type) {
       case WB_DEVNO_SD:
               return wb_sdmmc_intr(wb);
               break;
       }

       return 0;
}

/*
* pmf
*/
bool
wb_suspend(struct wb_softc *wb)
{
       if (wb->wb_type == WB_DEVNO_SD)
               return wb_sdmmc_suspend(wb);

       return false;
}

bool
wb_resume(struct wb_softc *wb)
{
       if (wb->wb_type == WB_DEVNO_SD)
               return wb_sdmmc_resume(wb);

       return false;
}