1/* $NetBSD: w83l518d.c,v 1.3 2020/05/11 14:55:20 jdc 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 1.3 2020/05/11 14:55:20 jdc 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/ic/w83l518dreg.h>
43#include <dev/ic/w83l518dvar.h>
44#include <dev/ic/w83l518d_sdmmc.h>
45
46uint8_t
47wb_idx_read(struct wb_softc *wb, uint8_t reg)
48{
49	bus_space_write_1(wb->wb_iot, wb->wb_ioh, WB_SD_INDEX, reg);
50	return bus_space_read_1(wb->wb_iot, wb->wb_ioh, WB_SD_DATA);
51}
52
53void
54wb_idx_write(struct wb_softc *wb, uint8_t reg, uint8_t val)
55{
56	bus_space_write_1(wb->wb_iot, wb->wb_ioh, WB_SD_INDEX, reg);
57	bus_space_write_1(wb->wb_iot, wb->wb_ioh, WB_SD_DATA, val);
58}
59
60uint8_t
61wb_read(struct wb_softc *wb, uint8_t reg)
62{
63	return bus_space_read_1(wb->wb_iot, wb->wb_ioh, reg);
64}
65
66void
67wb_write(struct wb_softc *wb, uint8_t reg, uint8_t val)
68{
69	bus_space_write_1(wb->wb_iot, wb->wb_ioh, reg, val);
70}
71
72void
73wb_led(struct wb_softc *wb, bool enable)
74{
75	uint8_t val;
76
77	val = wb_read(wb, WB_SD_CSR);
78	if (enable)
79		val |= WB_CSR_MS_LED;
80	else
81		val &= ~WB_CSR_MS_LED;
82	wb_write(wb, WB_SD_CSR, val);
83}
84
85void
86wb_attach(struct wb_softc *wb)
87{
88	switch (wb->wb_type) {
89	case WB_DEVNO_SD:
90		aprint_verbose_dev(wb->wb_dev,
91		    "SD/MMC Reader\n");
92		wb_sdmmc_attach(wb);
93		break;
94	case WB_DEVNO_MS:
95		aprint_verbose_dev(wb->wb_dev,
96		    "Memory Stick Reader (not supported)\n");
97		break;
98	case WB_DEVNO_SC:
99		aprint_verbose_dev(wb->wb_dev,
100		    "Smart Card Reader (not supported)\n");
101		break;
102	case WB_DEVNO_GPIO:
103		aprint_verbose_dev(wb->wb_dev,
104		    "GPIO (not supported)\n");
105		break;
106	}
107}
108
109int
110wb_detach(struct wb_softc *wb, int flags)
111{
112	switch (wb->wb_type) {
113	case WB_DEVNO_SD:
114		wb_sdmmc_detach(wb, flags);
115		break;
116	}
117
118	return 0;
119}
120
121/*
122 * intr handler
123 */
124int
125wb_intr(void *opaque)
126{
127	struct wb_softc *wb = opaque;
128
129	switch (wb->wb_type) {
130	case WB_DEVNO_SD:
131		return wb_sdmmc_intr(wb);
132		break;
133	}
134
135	return 0;
136}
137
138/*
139 * pmf
140 */
141bool
142wb_suspend(struct wb_softc *wb)
143{
144	if (wb->wb_type == WB_DEVNO_SD)
145		return wb_sdmmc_suspend(wb);
146
147	return false;
148}
149
150bool
151wb_resume(struct wb_softc *wb)
152{
153	if (wb->wb_type == WB_DEVNO_SD)
154		return wb_sdmmc_resume(wb);
155
156	return false;
157}
158