w83l518d.c

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    1 /* $NetBSD: w83l518d.c,v 1.1.2.3 2010/11/21 21:44:07 riz Exp $ */
    2 
    3 /*
    4  * Copyright (c) 2009 Jared D. McNeill <jmcneill@invisible.ca>
    5  * All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. The name of the author may not be used to endorse or promote products
   13  *    derived from this software without specific prior written permission.
   14  *
   15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
   20  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
   21  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
   22  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   23  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   25  * SUCH DAMAGE.
   26  */
   27 
   28 #include <sys/cdefs.h>
   29 __KERNEL_RCSID(0, "$NetBSD: w83l518d.c,v 1.1.2.3 2010/11/21 21:44:07 riz Exp $");
   30 
   31 #include <sys/param.h>
   32 #include <sys/kernel.h>
   33 #include <sys/systm.h>
   34 #include <sys/errno.h>
   35 #include <sys/ioctl.h>
   36 #include <sys/syslog.h>
   37 #include <sys/device.h>
   38 #include <sys/proc.h>
   39 
   40 #include <sys/bus.h>
   41 
   42 #include <dev/isa/isavar.h>
   43 #include <dev/isa/isadmavar.h>
   44 
   45 #include <dev/ic/w83l518dreg.h>
   46 #include <dev/ic/w83l518dvar.h>
   47 #include <dev/ic/w83l518d_sdmmc.h>
   48 
   49 uint8_t
   50 wb_idx_read(struct wb_softc *wb, uint8_t reg)
   51 {
   52         bus_space_write_1(wb->wb_iot, wb->wb_ioh, WB_SD_INDEX, reg);
   53         return bus_space_read_1(wb->wb_iot, wb->wb_ioh, WB_SD_DATA);
   54 }
   55 
   56 void
   57 wb_idx_write(struct wb_softc *wb, uint8_t reg, uint8_t val)
   58 {
   59         bus_space_write_1(wb->wb_iot, wb->wb_ioh, WB_SD_INDEX, reg);
   60         bus_space_write_1(wb->wb_iot, wb->wb_ioh, WB_SD_DATA, val);
   61 }
   62 
   63 uint8_t
   64 wb_read(struct wb_softc *wb, uint8_t reg)
   65 {
   66         return bus_space_read_1(wb->wb_iot, wb->wb_ioh, reg);
   67 }
   68 
   69 void
   70 wb_write(struct wb_softc *wb, uint8_t reg, uint8_t val)
   71 {
   72         bus_space_write_1(wb->wb_iot, wb->wb_ioh, reg, val);
   73 }
   74 
   75 void
   76 wb_led(struct wb_softc *wb, bool enable)
   77 {
   78         uint8_t val;
   79 
   80         val = wb_read(wb, WB_SD_CSR);
   81         if (enable)
   82                 val |= WB_CSR_MS_LED;
   83         else
   84                 val &= ~WB_CSR_MS_LED;
   85         wb_write(wb, WB_SD_CSR, val);
   86 }
   87 
   88 void
   89 wb_attach(struct wb_softc *wb)
   90 {
   91         switch (wb->wb_type) {
   92         case WB_DEVNO_SD:
   93                 aprint_verbose_dev(wb->wb_dev,
   94                     "SD/MMC Reader\n");
   95                 wb_sdmmc_attach(wb);
   96                 break;
   97         case WB_DEVNO_MS:
   98                 aprint_verbose_dev(wb->wb_dev,
   99                     "Memory Stick Reader (not supported)\n");
  100                 break;
  101         case WB_DEVNO_SC:
  102                 aprint_verbose_dev(wb->wb_dev,
  103                     "Smart Card Reader (not supported)\n");
  104                 break;
  105         case WB_DEVNO_GPIO:
  106                 aprint_verbose_dev(wb->wb_dev,
  107                     "GPIO (not supported)\n");
  108                 break;
  109         }
  110 }
  111 
  112 int
  113 wb_detach(struct wb_softc *wb, int flags)
  114 {
  115         switch (wb->wb_type) {
  116         case WB_DEVNO_SD:
  117                 wb_sdmmc_detach(wb, flags);
  118                 break;
  119         }
  120 
  121         return 0;
  122 }
  123 
  124 /*
  125  * intr handler 
  126  */
  127 int
  128 wb_intr(void *opaque)
  129 {
  130         struct wb_softc *wb = opaque;
  131 
  132         switch (wb->wb_type) {
  133         case WB_DEVNO_SD:
  134                 return wb_sdmmc_intr(wb);
  135                 break;
  136         }
  137 
  138         return 0;
  139 }
  140 
  141 /*
  142  * pmf
  143  */
  144 bool
  145 wb_suspend(struct wb_softc *wb)
  146 {
  147         if (wb->wb_type == WB_DEVNO_SD) 
  148                 return wb_sdmmc_suspend(wb);
  149 
  150         return false;
  151 }
  152 
  153 bool
  154 wb_resume(struct wb_softc *wb)
  155 {
  156         if (wb->wb_type == WB_DEVNO_SD)
  157                 return wb_sdmmc_resume(wb);
  158 
  159         return false;
  160 }

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FreeBSD/Linux Kernel Cross Reference sys/dev/ic/w83l518d.c

FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/w83l518d.c