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426 | jermar | 1 | /* |
2071 | jermar | 2 | * Copyright (c) 2005 Jakub Jermar |
426 | jermar | 3 | * All rights reserved. |
4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions |
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7 | * are met: |
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8 | * |
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9 | * - Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * - Redistributions in binary form must reproduce the above copyright |
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12 | * notice, this list of conditions and the following disclaimer in the |
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13 | * documentation and/or other materials provided with the distribution. |
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14 | * - The name of the author may not be used to endorse or promote products |
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15 | * derived from this software without specific prior written permission. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | |||
1769 | jermar | 29 | /** @addtogroup sparc64 |
1702 | cejka | 30 | * @{ |
31 | */ |
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32 | /** @file |
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33 | */ |
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34 | |||
586 | jermar | 35 | #include <arch/console.h> |
669 | jermar | 36 | #include <arch/types.h> |
37 | #include <typedefs.h> |
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1842 | jermar | 38 | |
1897 | jermar | 39 | #include <arch/drivers/scr.h> |
1842 | jermar | 40 | #include <arch/drivers/kbd.h> |
1897 | jermar | 41 | |
1842 | jermar | 42 | #ifdef CONFIG_Z8530 |
43 | #include <genarch/kbd/z8530.h> |
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44 | #endif |
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1844 | jermar | 45 | #ifdef CONFIG_NS16550 |
46 | #include <genarch/kbd/ns16550.h> |
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1842 | jermar | 47 | #endif |
48 | |||
893 | jermar | 49 | #include <console/chardev.h> |
50 | #include <console/console.h> |
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51 | #include <arch/asm.h> |
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52 | #include <arch/register.h> |
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53 | #include <proc/thread.h> |
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897 | jermar | 54 | #include <arch/mm/tlb.h> |
1896 | jermar | 55 | #include <genarch/ofw/ofw_tree.h> |
1880 | jermar | 56 | #include <arch.h> |
1896 | jermar | 57 | #include <panic.h> |
58 | #include <print.h> |
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426 | jermar | 59 | |
895 | jermar | 60 | #define KEYBOARD_POLL_PAUSE 50000 /* 50ms */ |
61 | |||
893 | jermar | 62 | /** Initialize kernel console to use framebuffer and keyboard directly. */ |
63 | void standalone_sparc64_console_init(void) |
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64 | { |
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65 | stdin = NULL; |
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1896 | jermar | 66 | |
67 | ofw_tree_node_t *aliases; |
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68 | ofw_tree_property_t *prop; |
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69 | ofw_tree_node_t *screen; |
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70 | ofw_tree_node_t *keyboard; |
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71 | |||
72 | aliases = ofw_tree_lookup("/aliases"); |
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73 | if (!aliases) |
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74 | panic("Can't find /aliases.\n"); |
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75 | |||
76 | prop = ofw_tree_getprop(aliases, "screen"); |
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77 | if (!prop) |
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78 | panic("Can't find property \"screen\".\n"); |
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79 | if (!prop->value) |
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80 | panic("Can't find screen alias.\n"); |
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81 | screen = ofw_tree_lookup(prop->value); |
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82 | if (!screen) |
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83 | panic("Can't find %s\n", prop->value); |
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84 | |||
1897 | jermar | 85 | scr_init(screen); |
86 | |||
1896 | jermar | 87 | prop = ofw_tree_getprop(aliases, "keyboard"); |
88 | if (!prop) |
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89 | panic("Can't find property \"keyboard\".\n"); |
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90 | if (!prop->value) |
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91 | panic("Can't find keyboard alias.\n"); |
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92 | keyboard = ofw_tree_lookup(prop->value); |
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93 | if (!keyboard) |
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94 | panic("Can't find %s\n", prop->value); |
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897 | jermar | 95 | |
1896 | jermar | 96 | kbd_init(keyboard); |
586 | jermar | 97 | } |
893 | jermar | 98 | |
895 | jermar | 99 | /** Kernel thread for polling keyboard. |
100 | * |
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101 | * @param arg Ignored. |
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102 | */ |
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103 | void kkbdpoll(void *arg) |
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104 | { |
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1880 | jermar | 105 | thread_detach(THREAD); |
106 | |||
1842 | jermar | 107 | #ifdef CONFIG_Z8530 |
1931 | jermar | 108 | if (kbd_type == KBD_Z8530) { |
109 | /* |
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110 | * The z8530 driver is interrupt-driven. |
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111 | */ |
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1849 | jermar | 112 | return; |
1931 | jermar | 113 | } |
1842 | jermar | 114 | #endif |
1896 | jermar | 115 | |
116 | while (1) { |
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1844 | jermar | 117 | #ifdef CONFIG_NS16550 |
1896 | jermar | 118 | if (kbd_type == KBD_NS16550) |
119 | ns16550_poll(); |
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1842 | jermar | 120 | #endif |
895 | jermar | 121 | thread_usleep(KEYBOARD_POLL_PAUSE); |
122 | } |
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123 | } |
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1702 | cejka | 124 | |
1875 | jermar | 125 | /** Acquire console back for kernel |
126 | * |
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127 | */ |
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128 | void arch_grab_console(void) |
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129 | { |
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1931 | jermar | 130 | switch (kbd_type) { |
1875 | jermar | 131 | #ifdef CONFIG_Z8530 |
1931 | jermar | 132 | case KBD_Z8530: |
1896 | jermar | 133 | z8530_grab(); |
1931 | jermar | 134 | break; |
1875 | jermar | 135 | #endif |
1931 | jermar | 136 | #ifdef CONFIG_NS16550 |
137 | case KBD_NS16550: |
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138 | ns16550_grab(); |
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139 | break; |
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140 | #endif |
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141 | default: |
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142 | break; |
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143 | } |
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1875 | jermar | 144 | } |
145 | |||
146 | /** Return console to userspace |
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147 | * |
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148 | */ |
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149 | void arch_release_console(void) |
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150 | { |
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1931 | jermar | 151 | switch (kbd_type) { |
1875 | jermar | 152 | #ifdef CONFIG_Z8530 |
1931 | jermar | 153 | case KBD_Z8530: |
1896 | jermar | 154 | z8530_release(); |
1931 | jermar | 155 | break; |
1875 | jermar | 156 | #endif |
1931 | jermar | 157 | #ifdef CONFIG_NS16550 |
158 | case KBD_NS16550: |
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159 | ns16550_release(); |
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160 | break; |
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161 | #endif |
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162 | default: |
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163 | break; |
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164 | } |
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1875 | jermar | 165 | } |
1888 | jermar | 166 | |
1769 | jermar | 167 | /** @} |
1702 | cejka | 168 | */ |