Subversion Repositories HelenOS

Rev

Rev 4070 | Rev 4119 | 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/device.h>
50
#include <ddi/irq.h>
1841 jermar 51
#include <arch/mm/page.h>
1410 jermar 52
#include <arch/types.h>
1842 jermar 53
#include <align.h>
4011 svoboda 54
#include <string.h>
1896 jermar 55
#include <print.h>
3969 jermar 56
#include <sysinfo/sysinfo.h>
1410 jermar 57
 
1896 jermar 58
kbd_type_t kbd_type = KBD_UNKNOWN;
59
 
4070 rimsky 60
#if defined (CONFIG_Z8530) || defined (CONFIG_NS16550)
61
 
1896 jermar 62
/** Initialize keyboard.
63
 *
64
 * Traverse OpenFirmware device tree in order to find necessary
65
 * info about the keyboard device.
66
 *
67
 * @param node Keyboard device node.
68
 */
69
void kbd_init(ofw_tree_node_t *node)
1410 jermar 70
{
1841 jermar 71
    size_t offset;
72
    uintptr_t aligned_addr;
1896 jermar 73
    ofw_tree_property_t *prop;
74
    const char *name;
3655 jermar 75
    cir_t cir;
76
    void *cir_arg;
3982 jermar 77
 
78
#ifdef CONFIG_NS16550
79
    ns16550_t *ns16550;
80
#endif
81
#ifdef CONFIG_Z8530
82
    z8530_t *z8530;
83
#endif
1896 jermar 84
 
85
    name = ofw_tree_node_name(node);
86
 
1909 jermar 87
    /*
88
     * Determine keyboard serial controller type.
89
     */
1896 jermar 90
    if (strcmp(name, "zs") == 0)
91
        kbd_type = KBD_Z8530;
92
    else if (strcmp(name, "su") == 0)
93
        kbd_type = KBD_NS16550;
94
 
95
    if (kbd_type == KBD_UNKNOWN) {
96
        printf("Unknown keyboard device.\n");
97
        return;
98
    }
99
 
1909 jermar 100
    /*
101
     * Read 'interrupts' property.
102
     */
103
    uint32_t interrupts;
104
    prop = ofw_tree_getprop(node, "interrupts");
3714 decky 105
    if ((!prop) || (!prop->value))
3790 svoboda 106
        panic("Cannot find 'interrupt' property.");
1909 jermar 107
    interrupts = *((uint32_t *) prop->value);
3714 decky 108
 
1909 jermar 109
    /*
110
     * Read 'reg' property.
111
     */
1896 jermar 112
    prop = ofw_tree_getprop(node, "reg");
3714 decky 113
    if ((!prop) || (!prop->value))
3790 svoboda 114
        panic("Cannot find 'reg' property.");
1896 jermar 115
 
116
    uintptr_t pa;
117
    size_t size;
3982 jermar 118
    devno_t devno;
1921 jermar 119
    inr_t inr;
1896 jermar 120
 
121
    switch (kbd_type) {
122
    case KBD_Z8530:
123
        size = ((ofw_fhc_reg_t *) prop->value)->size;
3646 jermar 124
        if (!ofw_fhc_apply_ranges(node->parent,
125
            ((ofw_fhc_reg_t *) prop->value), &pa)) {
1896 jermar 126
            printf("Failed to determine keyboard address.\n");
127
            return;
128
        }
3646 jermar 129
        if (!ofw_fhc_map_interrupt(node->parent,
3655 jermar 130
            ((ofw_fhc_reg_t *) prop->value), interrupts, &inr, &cir,
131
            &cir_arg)) {
1912 jermar 132
            printf("Failed to determine keyboard interrupt.\n");
1909 jermar 133
            return;
134
        }
1896 jermar 135
        break;
1919 jermar 136
 
1896 jermar 137
    case KBD_NS16550:
138
        size = ((ofw_ebus_reg_t *) prop->value)->size;
3646 jermar 139
        if (!ofw_ebus_apply_ranges(node->parent,
140
            ((ofw_ebus_reg_t *) prop->value), &pa)) {
1896 jermar 141
            printf("Failed to determine keyboard address.\n");
142
            return;
143
        }
3646 jermar 144
        if (!ofw_ebus_map_interrupt(node->parent,
3655 jermar 145
            ((ofw_ebus_reg_t *) prop->value), interrupts, &inr, &cir,
146
            &cir_arg)) {
1912 jermar 147
            printf("Failed to determine keyboard interrupt.\n");
1909 jermar 148
            return;
1921 jermar 149
        };
1896 jermar 150
        break;
151
    default:
3790 svoboda 152
        panic("Unexpected keyboard type.");
1896 jermar 153
    }
154
 
1841 jermar 155
    /*
156
     * We need to pass aligned address to hw_map().
157
     * However, the physical keyboard address can
1896 jermar 158
     * be pretty much unaligned, depending on the
159
     * underlying controller.
1841 jermar 160
     */
1896 jermar 161
    aligned_addr = ALIGN_DOWN(pa, PAGE_SIZE);
162
    offset = pa - aligned_addr;
3714 decky 163
 
1896 jermar 164
    switch (kbd_type) {
1841 jermar 165
#ifdef CONFIG_Z8530
1896 jermar 166
    case KBD_Z8530:
3982 jermar 167
        devno = device_assign_devno();
168
        z8530 = (z8530_t *) hw_map(aligned_addr, offset + size) +
169
            offset;
170
 
4103 decky 171
        indev_t *kbrdin = z8530_init(z8530, devno, inr, cir, cir_arg);
172
        if (kbrdin)
173
            kbrd_init(kbrdin);
174
 
3982 jermar 175
        /*
176
         * This is the necessary evil until the userspace drivers are
177
         * entirely self-sufficient.
178
         */
179
        sysinfo_set_item_val("kbd", NULL, true);
180
        sysinfo_set_item_val("kbd.type", NULL, KBD_Z8530);
181
        sysinfo_set_item_val("kbd.devno", NULL, devno);
182
        sysinfo_set_item_val("kbd.inr", NULL, inr);
4026 jermar 183
        sysinfo_set_item_val("kbd.address.kernel", NULL,
3982 jermar 184
            (uintptr_t) z8530);
185
        sysinfo_set_item_val("kbd.address.physical", NULL, pa);
1896 jermar 186
        break;
1841 jermar 187
#endif
1844 jermar 188
#ifdef CONFIG_NS16550
1896 jermar 189
    case KBD_NS16550:
3982 jermar 190
        devno = device_assign_devno();
191
        ns16550 = (ns16550_t *) hw_map(aligned_addr, offset + size) +
192
            offset;
193
 
4103 decky 194
        indev_t *kbrdin = ns16550_init(ns16550, devno, inr, cir, cir_arg);
195
        if (kbrdin)
196
            kbrd_init(kbrdin);
197
 
3982 jermar 198
        /*
199
         * This is the necessary evil until the userspace driver is
200
         * entirely self-sufficient.
201
         */
202
        sysinfo_set_item_val("kbd", NULL, true);
203
        sysinfo_set_item_val("kbd.type", NULL, KBD_NS16550);
204
        sysinfo_set_item_val("kbd.devno", NULL, devno);
205
        sysinfo_set_item_val("kbd.inr", NULL, inr);
4026 jermar 206
        sysinfo_set_item_val("kbd.address.kernel", NULL,
3982 jermar 207
            (uintptr_t) ns16550);
208
        sysinfo_set_item_val("kbd.address.physical", NULL, pa);
1896 jermar 209
        break;
1841 jermar 210
#endif
1896 jermar 211
    default:
3646 jermar 212
        printf("Kernel is not compiled with the necessary keyboard "
213
            "driver this machine requires.\n");
1896 jermar 214
    }
1410 jermar 215
}
1702 cejka 216
 
4070 rimsky 217
    #endif
1784 jermar 218
/** @}
1702 cejka 219
 */