1 /* $OpenBSD: w83l518d.c,v 1.1 2009/10/03 19:51:53 kettenis Exp $ */
2 /* $NetBSD: w83l518d.c,v 1.1 2009/09/30 20:44:50 jmcneill Exp $ */
3
4 /*
5 * Copyright (c) 2009 Jared D. McNeill <jmcneill@invisible.ca>
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include <sys/param.h>
30 #include <sys/kernel.h>
31 #include <sys/systm.h>
32 #include <sys/errno.h>
33 #include <sys/ioctl.h>
34 #include <sys/syslog.h>
35 #include <sys/device.h>
36 #include <sys/proc.h>
37
38 #include <machine/bus.h>
39
40 #include <dev/ic/w83l518dreg.h>
41 #include <dev/ic/w83l518dvar.h>
42 #include <dev/ic/w83l518d_sdmmc.h>
43
44 uint8_t
wb_idx_read(struct wb_softc * wb,uint8_t reg)45 wb_idx_read(struct wb_softc *wb, uint8_t reg)
46 {
47 bus_space_write_1(wb->wb_iot, wb->wb_ioh, WB_SD_INDEX, reg);
48 return bus_space_read_1(wb->wb_iot, wb->wb_ioh, WB_SD_DATA);
49 }
50
51 void
wb_idx_write(struct wb_softc * wb,uint8_t reg,uint8_t val)52 wb_idx_write(struct wb_softc *wb, uint8_t reg, uint8_t val)
53 {
54 bus_space_write_1(wb->wb_iot, wb->wb_ioh, WB_SD_INDEX, reg);
55 bus_space_write_1(wb->wb_iot, wb->wb_ioh, WB_SD_DATA, val);
56 }
57
58 uint8_t
wb_read(struct wb_softc * wb,uint8_t reg)59 wb_read(struct wb_softc *wb, uint8_t reg)
60 {
61 return bus_space_read_1(wb->wb_iot, wb->wb_ioh, reg);
62 }
63
64 void
wb_write(struct wb_softc * wb,uint8_t reg,uint8_t val)65 wb_write(struct wb_softc *wb, uint8_t reg, uint8_t val)
66 {
67 bus_space_write_1(wb->wb_iot, wb->wb_ioh, reg, val);
68 }
69
70 void
wb_led(struct wb_softc * wb,int enable)71 wb_led(struct wb_softc *wb, int enable)
72 {
73 uint8_t val;
74
75 val = wb_read(wb, WB_SD_CSR);
76 if (enable)
77 val |= WB_CSR_MS_LED;
78 else
79 val &= ~WB_CSR_MS_LED;
80 wb_write(wb, WB_SD_CSR, val);
81 }
82
83 void
wb_attach(struct wb_softc * wb)84 wb_attach(struct wb_softc *wb)
85 {
86 switch (wb->wb_type) {
87 case WB_DEVNO_SD:
88 wb_sdmmc_attach(wb);
89 break;
90 case WB_DEVNO_MS:
91 break;
92 case WB_DEVNO_SC:
93 break;
94 case WB_DEVNO_GPIO:
95 break;
96 }
97 }
98
99 int
wb_detach(struct wb_softc * wb,int flags)100 wb_detach(struct wb_softc *wb, int flags)
101 {
102 switch (wb->wb_type) {
103 case WB_DEVNO_SD:
104 wb_sdmmc_detach(wb, flags);
105 break;
106 }
107
108 return 0;
109 }
110
111 /*
112 * intr handler
113 */
114 int
wb_intr(void * opaque)115 wb_intr(void *opaque)
116 {
117 struct wb_softc *wb = opaque;
118
119 switch (wb->wb_type) {
120 case WB_DEVNO_SD:
121 return wb_sdmmc_intr(wb);
122 break;
123 }
124
125 return 0;
126 }
127