Subversion Repositories HelenOS

Rev

Rev 4119 | Rev 4220 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
1410 jermar 1
/*
2071 jermar 2
 * Copyright (c) 2006 Jakub Jermar
1410 jermar 3
 * All rights reserved.
4
 *
5
 * Redistribution and use in source and binary forms, with or without
6
 * modification, are permitted provided that the following conditions
7
 * are met:
8
 *
9
 * - Redistributions of source code must retain the above copyright
10
 *   notice, this list of conditions and the following disclaimer.
11
 * - 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
 * - The name of the author may not be used to endorse or promote products
15
 *   derived from this software without specific prior written permission.
16
 *
17
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
 */
28
 
4103 decky 29
/** @addtogroup sparc64
1702 cejka 30
 * @{
31
 */
32
/** @file
33
 */
34
 
1842 jermar 35
#include <arch/drivers/kbd.h>
1896 jermar 36
#include <genarch/ofw/ofw_tree.h>
4042 jermar 37
 
38
#ifdef CONFIG_SUN_KBD
39
#include <genarch/kbrd/kbrd.h>
40
#endif
1841 jermar 41
#ifdef CONFIG_Z8530
4042 jermar 42
#include <genarch/drivers/z8530/z8530.h>
1841 jermar 43
#endif
1844 jermar 44
#ifdef CONFIG_NS16550
4042 jermar 45
#include <genarch/drivers/ns16550/ns16550.h>
1841 jermar 46
#endif
4042 jermar 47
 
48
#include <console/console.h>
1920 jermar 49
#include <ddi/irq.h>
1841 jermar 50
#include <arch/mm/page.h>
1410 jermar 51
#include <arch/types.h>
1842 jermar 52
#include <align.h>
4011 svoboda 53
#include <string.h>
1896 jermar 54
#include <print.h>
3969 jermar 55
#include <sysinfo/sysinfo.h>
1410 jermar 56
 
1896 jermar 57
kbd_type_t kbd_type = KBD_UNKNOWN;
58
 
4119 decky 59
#ifdef CONFIG_SUN_KBD
4070 rimsky 60
 
1896 jermar 61
/** Initialize keyboard.
62
 *
63
 * Traverse OpenFirmware device tree in order to find necessary
64
 * info about the keyboard device.
65
 *
66
 * @param node Keyboard device node.
67
 */
68
void kbd_init(ofw_tree_node_t *node)
1410 jermar 69
{
1841 jermar 70
    size_t offset;
71
    uintptr_t aligned_addr;
1896 jermar 72
    ofw_tree_property_t *prop;
73
    const char *name;
3655 jermar 74
    cir_t cir;
75
    void *cir_arg;
4148 decky 76
 
3982 jermar 77
#ifdef CONFIG_NS16550
78
    ns16550_t *ns16550;
79
#endif
80
#ifdef CONFIG_Z8530
81
    z8530_t *z8530;
82
#endif
1896 jermar 83
 
84
    name = ofw_tree_node_name(node);
85
 
1909 jermar 86
    /*
87
     * Determine keyboard serial controller type.
88
     */
1896 jermar 89
    if (strcmp(name, "zs") == 0)
90
        kbd_type = KBD_Z8530;
91
    else if (strcmp(name, "su") == 0)
92
        kbd_type = KBD_NS16550;
93
 
94
    if (kbd_type == KBD_UNKNOWN) {
95
        printf("Unknown keyboard device.\n");
96
        return;
97
    }
98
 
1909 jermar 99
    /*
100
     * Read 'interrupts' property.
101
     */
102
    uint32_t interrupts;
103
    prop = ofw_tree_getprop(node, "interrupts");
3714 decky 104
    if ((!prop) || (!prop->value))
3790 svoboda 105
        panic("Cannot find 'interrupt' property.");
1909 jermar 106
    interrupts = *((uint32_t *) prop->value);
3714 decky 107
 
1909 jermar 108
    /*
109
     * Read 'reg' property.
110
     */
1896 jermar 111
    prop = ofw_tree_getprop(node, "reg");
3714 decky 112
    if ((!prop) || (!prop->value))
3790 svoboda 113
        panic("Cannot find 'reg' property.");
1896 jermar 114
 
115
    uintptr_t pa;
116
    size_t size;
1921 jermar 117
    inr_t inr;
1896 jermar 118
 
119
    switch (kbd_type) {
120
    case KBD_Z8530:
121
        size = ((ofw_fhc_reg_t *) prop->value)->size;
3646 jermar 122
        if (!ofw_fhc_apply_ranges(node->parent,
123
            ((ofw_fhc_reg_t *) prop->value), &pa)) {
1896 jermar 124
            printf("Failed to determine keyboard address.\n");
125
            return;
126
        }
3646 jermar 127
        if (!ofw_fhc_map_interrupt(node->parent,
3655 jermar 128
            ((ofw_fhc_reg_t *) prop->value), interrupts, &inr, &cir,
129
            &cir_arg)) {
1912 jermar 130
            printf("Failed to determine keyboard interrupt.\n");
1909 jermar 131
            return;
132
        }
1896 jermar 133
        break;
1919 jermar 134
 
1896 jermar 135
    case KBD_NS16550:
136
        size = ((ofw_ebus_reg_t *) prop->value)->size;
3646 jermar 137
        if (!ofw_ebus_apply_ranges(node->parent,
138
            ((ofw_ebus_reg_t *) prop->value), &pa)) {
1896 jermar 139
            printf("Failed to determine keyboard address.\n");
140
            return;
141
        }
3646 jermar 142
        if (!ofw_ebus_map_interrupt(node->parent,
3655 jermar 143
            ((ofw_ebus_reg_t *) prop->value), interrupts, &inr, &cir,
144
            &cir_arg)) {
1912 jermar 145
            printf("Failed to determine keyboard interrupt.\n");
1909 jermar 146
            return;
1921 jermar 147
        };
1896 jermar 148
        break;
149
    default:
3790 svoboda 150
        panic("Unexpected keyboard type.");
1896 jermar 151
    }
152
 
1841 jermar 153
    /*
154
     * We need to pass aligned address to hw_map().
155
     * However, the physical keyboard address can
1896 jermar 156
     * be pretty much unaligned, depending on the
157
     * underlying controller.
1841 jermar 158
     */
1896 jermar 159
    aligned_addr = ALIGN_DOWN(pa, PAGE_SIZE);
160
    offset = pa - aligned_addr;
3714 decky 161
 
1896 jermar 162
    switch (kbd_type) {
1841 jermar 163
#ifdef CONFIG_Z8530
1896 jermar 164
    case KBD_Z8530:
3982 jermar 165
        z8530 = (z8530_t *) hw_map(aligned_addr, offset + size) +
166
            offset;
167
 
4148 decky 168
        indev_t *kbrdin_z8530 = z8530_init(z8530, inr, cir, cir_arg);
4119 decky 169
        if (kbrdin_z8530)
170
            kbrd_init(kbrdin_z8530);
4103 decky 171
 
3982 jermar 172
        /*
173
         * This is the necessary evil until the userspace drivers are
174
         * entirely self-sufficient.
175
         */
176
        sysinfo_set_item_val("kbd", NULL, true);
177
        sysinfo_set_item_val("kbd.type", NULL, KBD_Z8530);
178
        sysinfo_set_item_val("kbd.inr", NULL, inr);
4026 jermar 179
        sysinfo_set_item_val("kbd.address.kernel", NULL,
3982 jermar 180
            (uintptr_t) z8530);
181
        sysinfo_set_item_val("kbd.address.physical", NULL, pa);
1896 jermar 182
        break;
1841 jermar 183
#endif
1844 jermar 184
#ifdef CONFIG_NS16550
1896 jermar 185
    case KBD_NS16550:
3982 jermar 186
        ns16550 = (ns16550_t *) hw_map(aligned_addr, offset + size) +
187
            offset;
188
 
4148 decky 189
        indev_t *kbrdin_ns16550 = ns16550_init(ns16550, inr, cir, cir_arg);
4119 decky 190
        if (kbrdin_ns16550)
191
            kbrd_init(kbrdin_ns16550);
4103 decky 192
 
3982 jermar 193
        /*
194
         * This is the necessary evil until the userspace driver is
195
         * entirely self-sufficient.
196
         */
197
        sysinfo_set_item_val("kbd", NULL, true);
198
        sysinfo_set_item_val("kbd.type", NULL, KBD_NS16550);
199
        sysinfo_set_item_val("kbd.inr", NULL, inr);
4026 jermar 200
        sysinfo_set_item_val("kbd.address.kernel", NULL,
3982 jermar 201
            (uintptr_t) ns16550);
202
        sysinfo_set_item_val("kbd.address.physical", NULL, pa);
1896 jermar 203
        break;
1841 jermar 204
#endif
1896 jermar 205
    default:
3646 jermar 206
        printf("Kernel is not compiled with the necessary keyboard "
207
            "driver this machine requires.\n");
1896 jermar 208
    }
1410 jermar 209
}
1702 cejka 210
 
4119 decky 211
#endif
212
 
1784 jermar 213
/** @}
1702 cejka 214
 */