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Rev | Author | Line No. | Line |
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1410 | jermar | 1 | /* |
2071 | jermar | 2 | * Copyright (c) 2006 Jakub Jermar |
1410 | 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 | |||
4103 | decky | 29 | /** @addtogroup sparc64 |
1702 | cejka | 30 | * @{ |
31 | */ |
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32 | /** @file |
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33 | */ |
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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 |
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39 | #include <genarch/kbrd/kbrd.h> |
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40 | #endif |
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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> |
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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 | |
4119 | decky | 57 | #ifdef CONFIG_SUN_KBD |
4070 | rimsky | 58 | |
4311 | decky | 59 | #ifdef CONFIG_Z8530 |
60 | |||
61 | static bool kbd_z8530_init(ofw_tree_node_t *node) |
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1410 | jermar | 62 | { |
4311 | decky | 63 | const char *name = ofw_tree_node_name(node); |
64 | |||
65 | if (str_cmp(name, "zs") != 0) |
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66 | return false; |
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67 | |||
68 | /* |
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69 | * Read 'interrupts' property. |
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70 | */ |
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71 | ofw_tree_property_t *prop = ofw_tree_getprop(node, "interrupts"); |
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72 | if ((!prop) || (!prop->value)) { |
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73 | printf("z8530: Unable to find interrupts property\n"); |
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74 | return false; |
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75 | } |
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76 | |||
77 | uint32_t interrupts = *((uint32_t *) prop->value); |
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78 | |||
79 | /* |
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80 | * Read 'reg' property. |
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81 | */ |
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82 | prop = ofw_tree_getprop(node, "reg"); |
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83 | if ((!prop) || (!prop->value)) { |
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84 | printf("z8530: Unable to find reg property\n"); |
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85 | return false; |
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86 | } |
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87 | |||
88 | size_t size = ((ofw_fhc_reg_t *) prop->value)->size; |
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89 | |||
90 | uintptr_t pa; |
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91 | if (!ofw_fhc_apply_ranges(node->parent, |
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92 | ((ofw_fhc_reg_t *) prop->value), &pa)) { |
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93 | printf("z8530: Failed to determine address\n"); |
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94 | return false; |
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95 | } |
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96 | |||
97 | inr_t inr; |
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3655 | jermar | 98 | cir_t cir; |
99 | void *cir_arg; |
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4311 | decky | 100 | if (!ofw_fhc_map_interrupt(node->parent, |
101 | ((ofw_fhc_reg_t *) prop->value), interrupts, &inr, &cir, |
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102 | &cir_arg)) { |
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103 | printf("z8530: Failed to determine interrupt\n"); |
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104 | return false; |
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105 | } |
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4148 | decky | 106 | |
4311 | decky | 107 | /* |
108 | * We need to pass aligned address to hw_map(). |
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109 | * However, the physical keyboard address can |
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110 | * be pretty much unaligned, depending on the |
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111 | * underlying controller. |
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112 | */ |
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113 | uintptr_t aligned_addr = ALIGN_DOWN(pa, PAGE_SIZE); |
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114 | size_t offset = pa - aligned_addr; |
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1896 | jermar | 115 | |
4311 | decky | 116 | z8530_t *z8530 = (z8530_t *) |
117 | (hw_map(aligned_addr, offset + size) + offset); |
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1896 | jermar | 118 | |
4311 | decky | 119 | z8530_instance_t *z8530_instance = z8530_init(z8530, inr, cir, cir_arg); |
120 | if (z8530_instance) { |
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121 | kbrd_instance_t *kbrd_instance = kbrd_init(); |
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122 | if (kbrd_instance) { |
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123 | indev_t *sink = stdin_wire(); |
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124 | indev_t *kbrd = kbrd_wire(kbrd_instance, sink); |
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125 | z8530_wire(z8530_instance, kbrd); |
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126 | } |
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127 | } |
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128 | |||
1909 | jermar | 129 | /* |
4311 | decky | 130 | * This is the necessary evil until the userspace drivers are |
131 | * entirely self-sufficient. |
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1909 | jermar | 132 | */ |
4311 | decky | 133 | sysinfo_set_item_val("kbd", NULL, true); |
134 | sysinfo_set_item_val("kbd.inr", NULL, inr); |
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135 | sysinfo_set_item_val("kbd.address.kernel", NULL, |
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136 | (uintptr_t) z8530); |
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137 | sysinfo_set_item_val("kbd.address.physical", NULL, pa); |
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138 | sysinfo_set_item_val("kbd.type.z8530", NULL, true); |
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1896 | jermar | 139 | |
4311 | decky | 140 | return true; |
141 | } |
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142 | |||
143 | #endif /* CONFIG_Z8530 */ |
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144 | |||
145 | #ifdef CONFIG_NS16550 |
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146 | |||
147 | static bool kbd_ns16550_init(ofw_tree_node_t *node) |
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148 | { |
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149 | const char *name = ofw_tree_node_name(node); |
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1896 | jermar | 150 | |
4311 | decky | 151 | if (str_cmp(name, "su") != 0) |
152 | return false; |
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153 | |||
1909 | jermar | 154 | /* |
155 | * Read 'interrupts' property. |
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156 | */ |
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4311 | decky | 157 | ofw_tree_property_t *prop = ofw_tree_getprop(node, "interrupts"); |
158 | if ((!prop) || (!prop->value)) { |
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159 | printf("ns16550: Unable to find interrupts property\n"); |
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160 | return false; |
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161 | } |
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3714 | decky | 162 | |
4311 | decky | 163 | uint32_t interrupts = *((uint32_t *) prop->value); |
164 | |||
1909 | jermar | 165 | /* |
166 | * Read 'reg' property. |
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167 | */ |
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1896 | jermar | 168 | prop = ofw_tree_getprop(node, "reg"); |
4311 | decky | 169 | if ((!prop) || (!prop->value)) { |
170 | printf("ns16550: Unable to find reg property\n"); |
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171 | return false; |
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172 | } |
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1896 | jermar | 173 | |
4311 | decky | 174 | size_t size = ((ofw_ebus_reg_t *) prop->value)->size; |
175 | |||
1896 | jermar | 176 | uintptr_t pa; |
4311 | decky | 177 | if (!ofw_ebus_apply_ranges(node->parent, |
178 | ((ofw_ebus_reg_t *) prop->value), &pa)) { |
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179 | printf("ns16550: Failed to determine address\n"); |
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180 | return false; |
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181 | } |
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182 | |||
1921 | jermar | 183 | inr_t inr; |
4311 | decky | 184 | cir_t cir; |
185 | void *cir_arg; |
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186 | if (!ofw_ebus_map_interrupt(node->parent, |
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187 | ((ofw_ebus_reg_t *) prop->value), interrupts, &inr, &cir, |
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188 | &cir_arg)) { |
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189 | printf("ns16550: Failed to determine interrupt\n"); |
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190 | return false; |
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1896 | jermar | 191 | } |
192 | |||
1841 | jermar | 193 | /* |
194 | * We need to pass aligned address to hw_map(). |
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195 | * However, the physical keyboard address can |
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1896 | jermar | 196 | * be pretty much unaligned, depending on the |
197 | * underlying controller. |
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1841 | jermar | 198 | */ |
4311 | decky | 199 | uintptr_t aligned_addr = ALIGN_DOWN(pa, PAGE_SIZE); |
200 | size_t offset = pa - aligned_addr; |
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3714 | decky | 201 | |
4311 | decky | 202 | ns16550_t *ns16550 = (ns16550_t *) |
203 | (hw_map(aligned_addr, offset + size) + offset); |
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204 | |||
205 | ns16550_instance_t *ns16550_instance = ns16550_init(ns16550, inr, cir, cir_arg); |
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206 | if (ns16550_instance) { |
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207 | kbrd_instance_t *kbrd_instance = kbrd_init(); |
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208 | if (kbrd_instance) { |
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209 | indev_t *sink = stdin_wire(); |
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210 | indev_t *kbrd = kbrd_wire(kbrd_instance, sink); |
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211 | ns16550_wire(ns16550_instance, kbrd); |
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212 | } |
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213 | } |
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214 | |||
215 | /* |
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216 | * This is the necessary evil until the userspace drivers are |
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217 | * entirely self-sufficient. |
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218 | */ |
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219 | sysinfo_set_item_val("kbd", NULL, true); |
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220 | sysinfo_set_item_val("kbd.inr", NULL, inr); |
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221 | sysinfo_set_item_val("kbd.address.kernel", NULL, |
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222 | (uintptr_t) ns16550); |
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223 | sysinfo_set_item_val("kbd.address.physical", NULL, pa); |
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224 | sysinfo_set_item_val("kbd.type.ns16550", NULL, true); |
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225 | |||
226 | return true; |
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227 | } |
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228 | |||
229 | #endif /* CONFIG_NS16550 */ |
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230 | |||
231 | /** Initialize keyboard. |
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232 | * |
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233 | * Traverse OpenFirmware device tree in order to find necessary |
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234 | * info about the keyboard device. |
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235 | * |
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236 | * @param node Keyboard device node. |
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237 | * |
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238 | */ |
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239 | void kbd_init(ofw_tree_node_t *node) |
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240 | { |
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1841 | jermar | 241 | #ifdef CONFIG_Z8530 |
4311 | decky | 242 | kbd_z8530_init(node); |
1841 | jermar | 243 | #endif |
4311 | decky | 244 | |
1844 | jermar | 245 | #ifdef CONFIG_NS16550 |
4311 | decky | 246 | kbd_ns16550_init(node); |
1841 | jermar | 247 | #endif |
1410 | jermar | 248 | } |
1702 | cejka | 249 | |
4311 | decky | 250 | #endif /* CONFIG_SUN_KBD */ |
4119 | decky | 251 | |
1784 | jermar | 252 | /** @} |
1702 | cejka | 253 | */ |