Subversion Repositories HelenOS

Rev

Rev 3790 | Rev 4220 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
1897 jermar 1
/*
2071 jermar 2
 * Copyright (c) 2006 Jakub Jermar
1897 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
 
29
/** @addtogroup sparc64
30
 * @{
31
 */
32
/** @file
33
 */
34
 
35
#include <arch/drivers/scr.h>
36
#include <genarch/ofw/ofw_tree.h>
37
#include <genarch/fb/fb.h>
1993 decky 38
#include <genarch/fb/visuals.h>
1897 jermar 39
#include <arch/types.h>
4011 svoboda 40
#include <string.h>
1897 jermar 41
#include <align.h>
42
#include <print.h>
43
 
1898 jermar 44
#define FFB_REG_24BPP   7
45
 
1897 jermar 46
scr_type_t scr_type = SCR_UNKNOWN;
47
 
48
/** Initialize screen.
49
 *
50
 * Traverse OpenFirmware device tree in order to find necessary
51
 * info about the screen device.
52
 *
53
 * @param node Screen device node.
54
 */
55
void scr_init(ofw_tree_node_t *node)
56
{
57
    ofw_tree_property_t *prop;
3672 jermar 58
    ofw_pci_reg_t *pci_reg;
59
    ofw_pci_reg_t pci_abs_reg;
60
    ofw_upa_reg_t *upa_reg;
61
    ofw_sbus_reg_t *sbus_reg;
1897 jermar 62
    const char *name;
63
 
64
    name = ofw_tree_node_name(node);
65
 
66
    if (strcmp(name, "SUNW,m64B") == 0)
67
        scr_type = SCR_ATYFB;
3672 jermar 68
    else if (strcmp(name, "SUNW,XVR-100") == 0)
69
        scr_type = SCR_XVR;
1897 jermar 70
    else if (strcmp(name, "SUNW,ffb") == 0)
71
        scr_type = SCR_FFB;
2510 jermar 72
    else if (strcmp(name, "cgsix") == 0)
73
        scr_type = SCR_CGSIX;
1897 jermar 74
 
75
    if (scr_type == SCR_UNKNOWN) {
3672 jermar 76
        printf("Unknown screen device.\n");
1897 jermar 77
        return;
78
    }
79
 
80
    uintptr_t fb_addr;
3679 rimsky 81
    unsigned int fb_offset = 0;
1897 jermar 82
    uint32_t fb_width = 0;
83
    uint32_t fb_height = 0;
84
    uint32_t fb_depth = 0;
85
    uint32_t fb_linebytes = 0;
86
    uint32_t fb_scanline = 0;
1993 decky 87
    unsigned int visual;
1897 jermar 88
 
89
    prop = ofw_tree_getprop(node, "width");
90
    if (prop && prop->value)
91
        fb_width = *((uint32_t *) prop->value);
92
 
93
    prop = ofw_tree_getprop(node, "height");
94
    if (prop && prop->value)
95
        fb_height = *((uint32_t *) prop->value);
96
 
97
    prop = ofw_tree_getprop(node, "depth");
98
    if (prop && prop->value)
99
        fb_depth = *((uint32_t *) prop->value);
100
 
101
    prop = ofw_tree_getprop(node, "linebytes");
102
    if (prop && prop->value)
103
        fb_linebytes = *((uint32_t *) prop->value);
104
 
105
    prop = ofw_tree_getprop(node, "reg");
106
    if (!prop)
3790 svoboda 107
        panic("Cannot find 'reg' property.");
1897 jermar 108
 
109
    switch (scr_type) {
110
    case SCR_ATYFB:
111
        if (prop->size / sizeof(ofw_pci_reg_t) < 2) {
112
            printf("Too few screen registers.\n");
113
            return;
114
        }
115
 
3672 jermar 116
        pci_reg = &((ofw_pci_reg_t *) prop->value)[1];
1897 jermar 117
 
3672 jermar 118
        if (!ofw_pci_reg_absolutize(node, pci_reg, &pci_abs_reg)) {
1897 jermar 119
            printf("Failed to absolutize fb register.\n");
120
            return;
121
        }
122
 
3672 jermar 123
        if (!ofw_pci_apply_ranges(node->parent, &pci_abs_reg,
124
            &fb_addr)) {
1897 jermar 125
            printf("Failed to determine screen address.\n");
126
            return;
127
        }
1993 decky 128
 
129
        switch (fb_depth) {
130
        case 8:
131
            fb_scanline = fb_linebytes * (fb_depth >> 3);
132
            visual = VISUAL_INDIRECT_8;
133
            break;
134
        case 16:
135
            fb_scanline = fb_linebytes * (fb_depth >> 3);
136
            visual = VISUAL_RGB_5_6_5;
137
            break;
138
        case 24:
1897 jermar 139
            fb_scanline = fb_linebytes * 4;
1993 decky 140
            visual = VISUAL_RGB_8_8_8_0;
141
            break;
142
        case 32:
1897 jermar 143
            fb_scanline = fb_linebytes * (fb_depth >> 3);
1993 decky 144
            visual = VISUAL_RGB_0_8_8_8;
145
            break;
146
        default:
147
            printf("Unsupported bits per pixel.\n");
148
            return;
149
        }
1897 jermar 150
 
151
        break;
3672 jermar 152
    case SCR_XVR:
153
        if (prop->size / sizeof(ofw_pci_reg_t) < 2) {
154
            printf("Too few screen registers.\n");
155
            return;
156
        }
157
 
158
        pci_reg = &((ofw_pci_reg_t *) prop->value)[1];
159
 
160
        if (!ofw_pci_reg_absolutize(node, pci_reg, &pci_abs_reg)) {
161
            printf("Failed to absolutize fb register.\n");
162
            return;
163
        }
164
 
165
        if (!ofw_pci_apply_ranges(node->parent, &pci_abs_reg,
166
            &fb_addr)) {
167
            printf("Failed to determine screen address.\n");
168
            return;
169
        }
170
 
3679 rimsky 171
        fb_offset = 4 * 0x2000;
172
 
3672 jermar 173
        switch (fb_depth) {
174
        case 8:
175
            fb_scanline = fb_linebytes * (fb_depth >> 3);
3679 rimsky 176
            visual = VISUAL_INDIRECT_8;
3672 jermar 177
            break;
178
        case 16:
179
            fb_scanline = fb_linebytes * (fb_depth >> 3);
180
            visual = VISUAL_RGB_5_6_5;
181
            break;
182
        case 24:
183
            fb_scanline = fb_linebytes * 4;
184
            visual = VISUAL_RGB_8_8_8_0;
185
            break;
186
        case 32:
187
            fb_scanline = fb_linebytes * (fb_depth >> 3);
188
            visual = VISUAL_RGB_0_8_8_8;
189
            break;
190
        default:
191
            printf("Unsupported bits per pixel.\n");
192
            return;
193
        }
194
 
195
        break;
1898 jermar 196
    case SCR_FFB:  
197
        fb_scanline = 8192;
1994 decky 198
        visual = VISUAL_BGR_0_8_8_8;
1898 jermar 199
 
3672 jermar 200
        upa_reg = &((ofw_upa_reg_t *) prop->value)[FFB_REG_24BPP];
201
        if (!ofw_upa_apply_ranges(node->parent, upa_reg, &fb_addr)) {
1898 jermar 202
            printf("Failed to determine screen address.\n");
203
            return;
204
        }
205
 
206
        break;
2510 jermar 207
    case SCR_CGSIX:
208
        switch (fb_depth) {
209
        case 8:
210
            fb_scanline = fb_linebytes;
211
            visual = VISUAL_INDIRECT_8;
212
            break;
213
        default:
214
            printf("Not implemented.\n");
215
            return;
216
        }
217
 
3672 jermar 218
        sbus_reg = &((ofw_sbus_reg_t *) prop->value)[0];
219
        if (!ofw_sbus_apply_ranges(node->parent, sbus_reg, &fb_addr)) {
2510 jermar 220
            printf("Failed to determine screen address.\n");
221
            return;
222
        }
223
 
224
        break;
1897 jermar 225
    default:
3790 svoboda 226
        panic("Unexpected type.");
1897 jermar 227
    }
228
 
3672 jermar 229
    fb_properties_t props = {
230
        .addr = fb_addr,
3679 rimsky 231
        .offset = fb_offset,
3672 jermar 232
        .x = fb_width,
233
        .y = fb_height,
234
        .scan = fb_scanline,
235
        .visual = visual,
236
    };
237
    fb_init(&props);
1897 jermar 238
}
239
 
3740 jermar 240
void scr_redraw(void)
3736 decky 241
{
242
    fb_redraw();
243
}
244
 
1897 jermar 245
/** @}
246
 */