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      1 /*	$NetBSD: epockbd_windermere.c,v 1.1 2013/04/28 12:11:25 kiyohara Exp $	*/
      2 /*
      3  * Copyright (c) 2013 KIYOHARA Takashi
      4  * All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     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
     17  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     18  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
     19  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     20  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     21  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     23  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
     24  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     25  * POSSIBILITY OF SUCH DAMAGE.
     26  */
     27 #include <sys/cdefs.h>
     28 __KERNEL_RCSID(0, "$NetBSD: epockbd_windermere.c,v 1.1 2013/04/28 12:11:25 kiyohara Exp $");
     29 
     30 #include <sys/param.h>
     31 #include <sys/bus.h>
     32 #include <sys/device.h>
     33 #include <sys/errno.h>
     34 
     35 #include <epoc32/windermere/windermerereg.h>
     36 #include <epoc32/windermere/windermerevar.h>
     37 #include <epoc32/dev/epockbdvar.h>
     38 
     39 #include "locators.h"
     40 
     41 static int epockbd_windermere_match(device_t, cfdata_t, void *);
     42 static void epockbd_windermere_attach(device_t, device_t, void *);
     43 
     44 CFATTACH_DECL_NEW(epockbd_windermere, sizeof(struct epockbd_softc),
     45     epockbd_windermere_match, epockbd_windermere_attach, NULL, NULL);
     46 
     47 static int
     48 epockbd_windermere_match(device_t parent, cfdata_t match, void *aux)
     49 {
     50 	struct windermere_attach_args *aa = aux;
     51 
     52         /* Wildcard not accept */
     53 	if (aa->aa_offset == WINDERMERECF_OFFSET_DEFAULT)
     54 		return 0;
     55 
     56 	return 1;
     57 }
     58 
     59 static void
     60 epockbd_windermere_attach(device_t parent, device_t self, void *aux)
     61 {
     62 	struct epockbd_softc *sc = device_private(self);
     63 	struct windermere_attach_args *aa = aux;
     64 	bus_space_tag_t iot = aa->aa_iot;
     65 	bus_space_handle_t ioh = *aa->aa_ioh;
     66 	bus_addr_t gpio_addr;
     67 
     68 	sc->sc_dev = self;
     69 	sc->sc_kbd_ncolumn = 8;
     70 	sc->sc_kbd_nrow = 7;
     71 	if (windermere_bus_space_subregion(iot, ioh, aa->aa_offset,
     72 					sizeof(uint32_t), &sc->sc_scanh) != 0) {
     73 		aprint_error_dev(self, "can't map scan registers\n");
     74 		return;
     75 	}
     76 	gpio_addr = aa->aa_offset & ~0xff;	/* XXXX */
     77 	if (windermere_bus_space_subregion(iot, ioh, gpio_addr,
     78 					sizeof(uint32_t), &sc->sc_datah) != 0) {
     79 		aprint_error_dev(self, "can't map data registers\n");
     80 		return;
     81 	}
     82 	sc->sc_scant = iot;
     83 	sc->sc_datat = iot;
     84 
     85 	epockbd_attach(sc);
     86 }
     87