lubbock_pcic.c revision 1.1 
1/*      $NetBSD: lubbock_pcic.c,v 1.1 2003/08/09 19:38:53 bsh Exp $	*/
2
3/*-
4 * Copyright (c) 2001 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by IWAMOTO Toshihiro.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 *    must display the following acknowledgement:
20 *        This product includes software developed by the NetBSD
21 *        Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 *    contributors may be used to endorse or promote products derived
24 *    from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39#include <sys/cdefs.h>
40__KERNEL_RCSID(0, "$NetBSD: lubbock_pcic.c,v 1.1 2003/08/09 19:38:53 bsh Exp $");
41
42#include <sys/param.h>
43#include <sys/systm.h>
44#include <sys/types.h>
45#include <sys/conf.h>
46#include <sys/file.h>
47#include <sys/device.h>
48#include <sys/kernel.h>
49#include <sys/kthread.h>
50#include <sys/malloc.h>
51
52#include <machine/bus.h>
53
54#include <dev/pcmcia/pcmciachip.h>
55#include <dev/pcmcia/pcmciavar.h>
56#include <arm/sa11x0/sa11x0_reg.h>
57#include <arm/sa11x0/sa11x0_var.h>
58#include <arm/sa11x0/sa1111_reg.h>
59#include <arm/sa11x0/sa1111_var.h>
60#include <arm/sa11x0/sa11x1_pcicreg.h>
61#include <arm/sa11x0/sa11xx_pcicvar.h>
62#include <arm/sa11x0/sa11x1_pcicvar.h>
63
64#include <evbarm/lubbock/lubbock_reg.h>
65#include <evbarm/lubbock/lubbock_var.h>
66
67static	int	sacpcic_match(struct device *, struct cfdata *, void *);
68static	void	sacpcic_attach(struct device *, struct device *, void *);
69static	void	lubbock_set_power(struct sapcic_socket *so, int arg);
70static	void	lubbock_socket_setup(struct sapcic_socket *sp);
71
72static struct sapcic_tag lubbock_sacpcic_functions = {
73	sacpcic_read,
74	sacpcic_write,
75	lubbock_set_power,
76	sacpcic_clear_intr,
77	sacpcic_intr_establish,
78	sacpcic_intr_disestablish
79};
80
81CFATTACH_DECL(sacpcic, sizeof(struct sacpcic_softc),
82    sacpcic_match, sacpcic_attach, NULL, NULL);
83
84static int
85sacpcic_match(struct device *parent, struct cfdata *cf, void *aux)
86{
87	return (1);
88}
89
90static void
91lubbock_socket_setup(struct sapcic_socket *sp)
92{
93	sp->power_capability = SAPCIC_POWER_5V | SAPCIC_POWER_3V;
94	sp->pcictag = &lubbock_sacpcic_functions;
95}
96
97static void
98sacpcic_attach(struct device *parent, struct device *self, void *aux)
99{
100	sacpcic_attach_common((struct sacc_softc *)parent,
101	    (struct sacpcic_softc *)self, aux, lubbock_socket_setup);
102}
103
104
105static void
106lubbock_set_power(struct sapcic_socket *so, int arg)
107{
108	struct sacc_softc *sc = so->pcictag_cookie;
109	struct obio_softc *bsc = (struct obio_softc *)sc->sc_dev.dv_parent;
110	int s;
111	uint16_t tmp;
112
113	static const uint8_t vval_socket0[] = {
114		/* for socket0 (pcmcia) */
115		0x00,		/* OFF */
116		0x08,		/* 3.3V */
117		0x05,		/* 5V */
118	};
119	static const uint16_t vval_socket1[] = {
120		/* for socket1 (CF) */
121		0x0000,		/* OFF */
122		0x8000,		/* 3.3V */
123		0x4000,		/* 5V */
124	};
125
126	if( arg < 0 || SAPCIC_POWER_5V < arg )
127		panic("sacpcic_set_power: bogus arg\n");
128
129	switch( so->socket ){
130	case 0:
131		bus_space_write_4(sc->sc_iot, sc->sc_ioh, SACCGPIOA_DVR,
132				  vval_socket0[arg]);
133		break;
134	case 1:
135		s = splhigh();
136		tmp = bus_space_read_2(bsc->sc_iot, bsc->sc_obioreg_ioh,
137		    LUBBOCK_MISCWR);
138		bus_space_write_2(bsc->sc_iot, bsc->sc_obioreg_ioh,
139		    LUBBOCK_MISCWR, (tmp & 0x3fff) | vval_socket1[arg] );
140		splx(s);
141		break;
142	default:
143		printf("unknown socket number: %d\n", so->socket);
144	}
145}
146