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1 | /* |
1 | /* |
2 | * Copyright (C) 2006 Jakub Jermar |
2 | * Copyright (C) 2006 Jakub Jermar |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
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 |
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. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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 |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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 |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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 |
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. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | /** @addtogroup sparc64 |
29 | /** @addtogroup sparc64 |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** @file |
32 | /** @file |
33 | */ |
33 | */ |
34 | 34 | ||
35 | #include <arch/drivers/scr.h> |
35 | #include <arch/drivers/scr.h> |
36 | #include <genarch/ofw/ofw_tree.h> |
36 | #include <genarch/ofw/ofw_tree.h> |
37 | #include <genarch/fb/fb.h> |
37 | #include <genarch/fb/fb.h> |
38 | #include <arch/types.h> |
38 | #include <arch/types.h> |
39 | #include <typedefs.h> |
39 | #include <typedefs.h> |
40 | #include <func.h> |
40 | #include <func.h> |
41 | #include <align.h> |
41 | #include <align.h> |
42 | #include <print.h> |
42 | #include <print.h> |
43 | 43 | ||
44 | #define FFB_REG_24BPP 7 |
44 | #define FFB_REG_24BPP 7 |
45 | 45 | ||
46 | scr_type_t scr_type = SCR_UNKNOWN; |
46 | scr_type_t scr_type = SCR_UNKNOWN; |
47 | 47 | ||
48 | /** Initialize screen. |
48 | /** Initialize screen. |
49 | * |
49 | * |
50 | * Traverse OpenFirmware device tree in order to find necessary |
50 | * Traverse OpenFirmware device tree in order to find necessary |
51 | * info about the screen device. |
51 | * info about the screen device. |
52 | * |
52 | * |
53 | * @param node Screen device node. |
53 | * @param node Screen device node. |
54 | */ |
54 | */ |
55 | void scr_init(ofw_tree_node_t *node) |
55 | void scr_init(ofw_tree_node_t *node) |
56 | { |
56 | { |
57 | ofw_tree_property_t *prop; |
57 | ofw_tree_property_t *prop; |
58 | const char *name; |
58 | const char *name; |
59 | 59 | ||
60 | name = ofw_tree_node_name(node); |
60 | name = ofw_tree_node_name(node); |
61 | 61 | ||
62 | if (strcmp(name, "SUNW,m64B") == 0) |
62 | if (strcmp(name, "SUNW,m64B") == 0) |
63 | scr_type = SCR_ATYFB; |
63 | scr_type = SCR_ATYFB; |
64 | else if (strcmp(name, "SUNW,ffb") == 0) |
64 | else if (strcmp(name, "SUNW,ffb") == 0) |
65 | scr_type = SCR_FFB; |
65 | scr_type = SCR_FFB; |
66 | 66 | ||
67 | if (scr_type == SCR_UNKNOWN) { |
67 | if (scr_type == SCR_UNKNOWN) { |
68 | printf("Unknown keyboard device.\n"); |
68 | printf("Unknown keyboard device.\n"); |
69 | return; |
69 | return; |
70 | } |
70 | } |
71 | 71 | ||
72 | uintptr_t fb_addr; |
72 | uintptr_t fb_addr; |
73 | uint32_t fb_width = 0; |
73 | uint32_t fb_width = 0; |
74 | uint32_t fb_height = 0; |
74 | uint32_t fb_height = 0; |
75 | uint32_t fb_depth = 0; |
75 | uint32_t fb_depth = 0; |
76 | uint32_t fb_linebytes = 0; |
76 | uint32_t fb_linebytes = 0; |
77 | uint32_t fb_scanline = 0; |
77 | uint32_t fb_scanline = 0; |
78 | 78 | ||
79 | prop = ofw_tree_getprop(node, "width"); |
79 | prop = ofw_tree_getprop(node, "width"); |
80 | if (prop && prop->value) |
80 | if (prop && prop->value) |
81 | fb_width = *((uint32_t *) prop->value); |
81 | fb_width = *((uint32_t *) prop->value); |
82 | 82 | ||
83 | prop = ofw_tree_getprop(node, "height"); |
83 | prop = ofw_tree_getprop(node, "height"); |
84 | if (prop && prop->value) |
84 | if (prop && prop->value) |
85 | fb_height = *((uint32_t *) prop->value); |
85 | fb_height = *((uint32_t *) prop->value); |
86 | 86 | ||
87 | prop = ofw_tree_getprop(node, "depth"); |
87 | prop = ofw_tree_getprop(node, "depth"); |
88 | if (prop && prop->value) |
88 | if (prop && prop->value) |
89 | fb_depth = *((uint32_t *) prop->value); |
89 | fb_depth = *((uint32_t *) prop->value); |
90 | 90 | ||
91 | prop = ofw_tree_getprop(node, "linebytes"); |
91 | prop = ofw_tree_getprop(node, "linebytes"); |
92 | if (prop && prop->value) |
92 | if (prop && prop->value) |
93 | fb_linebytes = *((uint32_t *) prop->value); |
93 | fb_linebytes = *((uint32_t *) prop->value); |
94 | 94 | ||
95 | prop = ofw_tree_getprop(node, "reg"); |
95 | prop = ofw_tree_getprop(node, "reg"); |
96 | if (!prop) |
96 | if (!prop) |
97 | panic("Can't find \"reg\" property.\n"); |
97 | panic("Can't find \"reg\" property.\n"); |
98 | 98 | ||
99 | switch (scr_type) { |
99 | switch (scr_type) { |
100 | case SCR_ATYFB: |
100 | case SCR_ATYFB: |
101 | if (prop->size / sizeof(ofw_pci_reg_t) < 2) { |
101 | if (prop->size / sizeof(ofw_pci_reg_t) < 2) { |
102 | printf("Too few screen registers.\n"); |
102 | printf("Too few screen registers.\n"); |
103 | return; |
103 | return; |
104 | } |
104 | } |
105 | 105 | ||
106 | ofw_pci_reg_t *fb_reg = &((ofw_pci_reg_t *) prop->value)[1]; |
106 | ofw_pci_reg_t *fb_reg = &((ofw_pci_reg_t *) prop->value)[1]; |
107 | ofw_pci_reg_t abs_reg; |
107 | ofw_pci_reg_t abs_reg; |
108 | 108 | ||
109 | if (!ofw_pci_reg_absolutize(node, fb_reg, &abs_reg)) { |
109 | if (!ofw_pci_reg_absolutize(node, fb_reg, &abs_reg)) { |
110 | printf("Failed to absolutize fb register.\n"); |
110 | printf("Failed to absolutize fb register.\n"); |
111 | return; |
111 | return; |
112 | } |
112 | } |
113 | 113 | ||
114 | if (!ofw_pci_apply_ranges(node->parent, &abs_reg , &fb_addr)) { |
114 | if (!ofw_pci_apply_ranges(node->parent, &abs_reg , &fb_addr)) { |
115 | printf("Failed to determine screen address.\n"); |
115 | printf("Failed to determine screen address.\n"); |
116 | return; |
116 | return; |
117 | } |
117 | } |
118 | 118 | ||
119 | if (fb_depth == 24) |
119 | if (fb_depth == 24) |
120 | fb_scanline = fb_linebytes * 4; |
120 | fb_scanline = fb_linebytes * 4; |
121 | else |
121 | else |
122 | fb_scanline = fb_linebytes * (fb_depth >> 3); |
122 | fb_scanline = fb_linebytes * (fb_depth >> 3); |
123 | 123 | ||
124 | break; |
124 | break; |
125 | case SCR_FFB: |
125 | case SCR_FFB: |
126 | fb_depth = 24; |
126 | fb_depth = 32; |
127 | fb_scanline = 8192; |
127 | fb_scanline = 8192; |
128 | 128 | ||
129 | ofw_upa_reg_t *reg = &((ofw_upa_reg_t *) prop->value)[FFB_REG_24BPP]; |
129 | ofw_upa_reg_t *reg = &((ofw_upa_reg_t *) prop->value)[FFB_REG_24BPP]; |
130 | if (!ofw_upa_apply_ranges(node->parent, reg, &fb_addr)) { |
130 | if (!ofw_upa_apply_ranges(node->parent, reg, &fb_addr)) { |
131 | printf("Failed to determine screen address.\n"); |
131 | printf("Failed to determine screen address.\n"); |
132 | return; |
132 | return; |
133 | } |
133 | } |
134 | 134 | ||
135 | break; |
135 | break; |
136 | default: |
136 | default: |
137 | panic("Unexpected type.\n"); |
137 | panic("Unexpected type.\n"); |
138 | } |
138 | } |
139 | 139 | ||
140 | fb_init(fb_addr, fb_width, fb_height, fb_depth, fb_scanline, true); |
140 | fb_init(fb_addr, fb_width, fb_height, fb_depth, fb_scanline, true); |
141 | } |
141 | } |
142 | 142 | ||
143 | /** @} |
143 | /** @} |
144 | */ |
144 | */ |
145 | 145 |