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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/kbd.h> |
35 | #include <arch/drivers/kbd.h> |
36 | #include <genarch/ofw/ofw_tree.h> |
36 | #include <genarch/ofw/ofw_tree.h> |
- | 37 | ||
- | 38 | #ifdef CONFIG_SUN_KBD |
|
- | 39 | #include <genarch/kbrd/kbrd.h> |
|
- | 40 | #endif |
|
37 | #ifdef CONFIG_Z8530 |
41 | #ifdef CONFIG_Z8530 |
38 | #include <genarch/kbd/z8530.h> |
42 | #include <genarch/drivers/z8530/z8530.h> |
39 | #endif |
43 | #endif |
40 | #ifdef CONFIG_NS16550 |
44 | #ifdef CONFIG_NS16550 |
41 | #include <genarch/kbd/ns16550.h> |
45 | #include <genarch/drivers/ns16550/ns16550.h> |
42 | #endif |
46 | #endif |
- | 47 | ||
43 | #include <ddi/device.h> |
48 | #include <console/console.h> |
44 | #include <ddi/irq.h> |
49 | #include <ddi/irq.h> |
45 | #include <arch/mm/page.h> |
50 | #include <arch/mm/page.h> |
46 | #include <arch/types.h> |
51 | #include <arch/types.h> |
47 | #include <align.h> |
52 | #include <align.h> |
48 | #include <func.h> |
53 | #include <string.h> |
49 | #include <print.h> |
54 | #include <print.h> |
- | 55 | #include <sysinfo/sysinfo.h> |
|
50 | 56 | ||
51 | kbd_type_t kbd_type = KBD_UNKNOWN; |
57 | #ifdef CONFIG_SUN_KBD |
52 | 58 | ||
53 | /** Initialize keyboard. |
59 | #ifdef CONFIG_Z8530 |
54 | * |
60 | |
55 | * Traverse OpenFirmware device tree in order to find necessary |
- | |
56 | * info about the keyboard device. |
- | |
57 | * |
- | |
58 | * @param node Keyboard device node. |
- | |
59 | */ |
- | |
60 | void kbd_init(ofw_tree_node_t *node) |
61 | static bool kbd_z8530_init(ofw_tree_node_t *node) |
61 | { |
62 | { |
62 | size_t offset; |
- | |
63 | uintptr_t aligned_addr; |
- | |
64 | ofw_tree_property_t *prop; |
- | |
65 | const char *name; |
63 | const char *name = ofw_tree_node_name(node); |
66 | cir_t cir; |
- | |
67 | void *cir_arg; |
- | |
68 | 64 | ||
69 | name = ofw_tree_node_name(node); |
65 | if (str_cmp(name, "zs") != 0) |
- | 66 | return false; |
|
70 | 67 | ||
71 | /* |
68 | /* |
72 | * Determine keyboard serial controller type. |
69 | * Read 'interrupts' property. |
73 | */ |
70 | */ |
74 | if (strcmp(name, "zs") == 0) |
- | |
75 | kbd_type = KBD_Z8530; |
- | |
76 | else if (strcmp(name, "su") == 0) |
71 | ofw_tree_property_t *prop = ofw_tree_getprop(node, "interrupts"); |
77 | kbd_type = KBD_NS16550; |
- | |
78 | - | ||
79 | if (kbd_type == KBD_UNKNOWN) { |
72 | if ((!prop) || (!prop->value)) { |
80 | printf("Unknown keyboard device.\n"); |
73 | printf("z8530: Unable to find interrupts property\n"); |
81 | return; |
74 | return false; |
82 | } |
75 | } |
83 | 76 | ||
84 | /* |
- | |
85 | * Read 'interrupts' property. |
- | |
86 | */ |
- | |
87 | uint32_t interrupts; |
- | |
88 | prop = ofw_tree_getprop(node, "interrupts"); |
- | |
89 | if (!prop || !prop->value) |
- | |
90 | panic("Can't find \"interrupts\" property.\n"); |
- | |
91 | interrupts = *((uint32_t *) prop->value); |
77 | uint32_t interrupts = *((uint32_t *) prop->value); |
92 | 78 | ||
93 | /* |
79 | /* |
94 | * Read 'reg' property. |
80 | * Read 'reg' property. |
95 | */ |
81 | */ |
96 | prop = ofw_tree_getprop(node, "reg"); |
82 | prop = ofw_tree_getprop(node, "reg"); |
97 | if (!prop || !prop->value) |
83 | if ((!prop) || (!prop->value)) { |
98 | panic("Can't find \"reg\" property.\n"); |
84 | printf("z8530: Unable to find reg property\n"); |
- | 85 | return false; |
|
- | 86 | } |
|
99 | 87 | ||
100 | uintptr_t pa; |
- | |
101 | size_t size; |
- | |
102 | inr_t inr; |
- | |
103 | devno_t devno = device_assign_devno(); |
88 | size_t size = ((ofw_fhc_reg_t *) prop->value)->size; |
104 | 89 | ||
105 | switch (kbd_type) { |
90 | uintptr_t pa; |
106 | case KBD_Z8530: |
- | |
107 | size = ((ofw_fhc_reg_t *) prop->value)->size; |
- | |
108 | if (!ofw_fhc_apply_ranges(node->parent, |
91 | if (!ofw_fhc_apply_ranges(node->parent, |
109 | ((ofw_fhc_reg_t *) prop->value), &pa)) { |
92 | ((ofw_fhc_reg_t *) prop->value), &pa)) { |
110 | printf("Failed to determine keyboard address.\n"); |
93 | printf("z8530: Failed to determine address\n"); |
111 | return; |
94 | return false; |
112 | } |
95 | } |
- | 96 | ||
- | 97 | inr_t inr; |
|
- | 98 | cir_t cir; |
|
- | 99 | void *cir_arg; |
|
113 | if (!ofw_fhc_map_interrupt(node->parent, |
100 | if (!ofw_fhc_map_interrupt(node->parent, |
114 | ((ofw_fhc_reg_t *) prop->value), interrupts, &inr, &cir, |
101 | ((ofw_fhc_reg_t *) prop->value), interrupts, &inr, &cir, |
115 | &cir_arg)) { |
102 | &cir_arg)) { |
116 | printf("Failed to determine keyboard interrupt.\n"); |
103 | printf("z8530: Failed to determine interrupt\n"); |
- | 104 | return false; |
|
- | 105 | } |
|
- | 106 | ||
- | 107 | /* |
|
- | 108 | * We need to pass aligned address to hw_map(). |
|
- | 109 | * However, the physical keyboard address can |
|
- | 110 | * be pretty much unaligned, depending on the |
|
- | 111 | * underlying controller. |
|
- | 112 | */ |
|
- | 113 | uintptr_t aligned_addr = ALIGN_DOWN(pa, PAGE_SIZE); |
|
- | 114 | size_t offset = pa - aligned_addr; |
|
- | 115 | ||
- | 116 | z8530_t *z8530 = (z8530_t *) |
|
- | 117 | (hw_map(aligned_addr, offset + size) + offset); |
|
- | 118 | ||
- | 119 | z8530_instance_t *z8530_instance = z8530_init(z8530, inr, cir, cir_arg); |
|
- | 120 | if (z8530_instance) { |
|
- | 121 | kbrd_instance_t *kbrd_instance = kbrd_init(); |
|
- | 122 | if (kbrd_instance) { |
|
- | 123 | indev_t *sink = stdin_wire(); |
|
- | 124 | indev_t *kbrd = kbrd_wire(kbrd_instance, sink); |
|
- | 125 | z8530_wire(z8530_instance, kbrd); |
|
- | 126 | } |
|
- | 127 | } |
|
- | 128 | ||
- | 129 | /* |
|
- | 130 | * This is the necessary evil until the userspace drivers are |
|
- | 131 | * entirely self-sufficient. |
|
- | 132 | */ |
|
- | 133 | sysinfo_set_item_val("kbd", NULL, true); |
|
- | 134 | sysinfo_set_item_val("kbd.inr", NULL, inr); |
|
- | 135 | sysinfo_set_item_val("kbd.address.kernel", NULL, |
|
- | 136 | (uintptr_t) z8530); |
|
- | 137 | sysinfo_set_item_val("kbd.address.physical", NULL, pa); |
|
- | 138 | sysinfo_set_item_val("kbd.type.z8530", NULL, true); |
|
- | 139 | ||
- | 140 | return true; |
|
- | 141 | } |
|
- | 142 | ||
- | 143 | #endif /* CONFIG_Z8530 */ |
|
- | 144 | ||
- | 145 | #ifdef CONFIG_NS16550 |
|
- | 146 | ||
- | 147 | static bool kbd_ns16550_init(ofw_tree_node_t *node) |
|
- | 148 | { |
|
- | 149 | const char *name = ofw_tree_node_name(node); |
|
- | 150 | ||
- | 151 | if (str_cmp(name, "su") != 0) |
|
- | 152 | return false; |
|
- | 153 | ||
- | 154 | /* |
|
- | 155 | * Read 'interrupts' property. |
|
- | 156 | */ |
|
- | 157 | ofw_tree_property_t *prop = ofw_tree_getprop(node, "interrupts"); |
|
- | 158 | if ((!prop) || (!prop->value)) { |
|
- | 159 | printf("ns16550: Unable to find interrupts property\n"); |
|
117 | return; |
160 | return false; |
118 | } |
161 | } |
119 | break; |
- | |
120 | 162 | ||
- | 163 | uint32_t interrupts = *((uint32_t *) prop->value); |
|
- | 164 | ||
- | 165 | /* |
|
- | 166 | * Read 'reg' property. |
|
- | 167 | */ |
|
- | 168 | prop = ofw_tree_getprop(node, "reg"); |
|
- | 169 | if ((!prop) || (!prop->value)) { |
|
- | 170 | printf("ns16550: Unable to find reg property\n"); |
|
121 | case KBD_NS16550: |
171 | return false; |
- | 172 | } |
|
- | 173 | ||
122 | size = ((ofw_ebus_reg_t *) prop->value)->size; |
174 | size_t size = ((ofw_ebus_reg_t *) prop->value)->size; |
- | 175 | ||
- | 176 | uintptr_t pa; |
|
123 | if (!ofw_ebus_apply_ranges(node->parent, |
177 | if (!ofw_ebus_apply_ranges(node->parent, |
124 | ((ofw_ebus_reg_t *) prop->value), &pa)) { |
178 | ((ofw_ebus_reg_t *) prop->value), &pa)) { |
125 | printf("Failed to determine keyboard address.\n"); |
179 | printf("ns16550: Failed to determine address\n"); |
126 | return; |
180 | return false; |
127 | } |
181 | } |
- | 182 | ||
- | 183 | inr_t inr; |
|
- | 184 | cir_t cir; |
|
- | 185 | void *cir_arg; |
|
128 | if (!ofw_ebus_map_interrupt(node->parent, |
186 | if (!ofw_ebus_map_interrupt(node->parent, |
129 | ((ofw_ebus_reg_t *) prop->value), interrupts, &inr, &cir, |
187 | ((ofw_ebus_reg_t *) prop->value), interrupts, &inr, &cir, |
130 | &cir_arg)) { |
188 | &cir_arg)) { |
131 | printf("Failed to determine keyboard interrupt.\n"); |
189 | printf("ns16550: Failed to determine interrupt\n"); |
132 | return; |
190 | return false; |
133 | }; |
- | |
134 | break; |
- | |
135 | - | ||
136 | default: |
- | |
137 | panic("Unexpected type.\n"); |
- | |
138 | } |
191 | } |
139 | 192 | ||
140 | /* |
193 | /* |
141 | * We need to pass aligned address to hw_map(). |
194 | * We need to pass aligned address to hw_map(). |
142 | * However, the physical keyboard address can |
195 | * However, the physical keyboard address can |
143 | * be pretty much unaligned, depending on the |
196 | * be pretty much unaligned, depending on the |
144 | * underlying controller. |
197 | * underlying controller. |
145 | */ |
198 | */ |
146 | aligned_addr = ALIGN_DOWN(pa, PAGE_SIZE); |
199 | uintptr_t aligned_addr = ALIGN_DOWN(pa, PAGE_SIZE); |
147 | offset = pa - aligned_addr; |
200 | size_t offset = pa - aligned_addr; |
148 | uintptr_t vaddr = hw_map(aligned_addr, offset + size) + offset; |
- | |
149 | 201 | ||
- | 202 | ns16550_t *ns16550 = (ns16550_t *) |
|
- | 203 | (hw_map(aligned_addr, offset + size) + offset); |
|
- | 204 | ||
- | 205 | ns16550_instance_t *ns16550_instance = ns16550_init(ns16550, inr, cir, cir_arg); |
|
- | 206 | if (ns16550_instance) { |
|
- | 207 | kbrd_instance_t *kbrd_instance = kbrd_init(); |
|
150 | switch (kbd_type) { |
208 | if (kbrd_instance) { |
- | 209 | indev_t *sink = stdin_wire(); |
|
- | 210 | indev_t *kbrd = kbrd_wire(kbrd_instance, sink); |
|
- | 211 | ns16550_wire(ns16550_instance, kbrd); |
|
- | 212 | } |
|
- | 213 | } |
|
- | 214 | ||
- | 215 | /* |
|
- | 216 | * This is the necessary evil until the userspace drivers are |
|
- | 217 | * entirely self-sufficient. |
|
- | 218 | */ |
|
- | 219 | sysinfo_set_item_val("kbd", NULL, true); |
|
- | 220 | sysinfo_set_item_val("kbd.inr", NULL, inr); |
|
- | 221 | sysinfo_set_item_val("kbd.address.kernel", NULL, |
|
- | 222 | (uintptr_t) ns16550); |
|
- | 223 | sysinfo_set_item_val("kbd.address.physical", NULL, pa); |
|
- | 224 | sysinfo_set_item_val("kbd.type.ns16550", NULL, true); |
|
- | 225 | ||
- | 226 | return true; |
|
- | 227 | } |
|
- | 228 | ||
- | 229 | #endif /* CONFIG_NS16550 */ |
|
- | 230 | ||
- | 231 | /** Initialize keyboard. |
|
- | 232 | * |
|
- | 233 | * Traverse OpenFirmware device tree in order to find necessary |
|
- | 234 | * info about the keyboard device. |
|
- | 235 | * |
|
- | 236 | * @param node Keyboard device node. |
|
- | 237 | * |
|
- | 238 | */ |
|
- | 239 | void kbd_init(ofw_tree_node_t *node) |
|
- | 240 | { |
|
151 | #ifdef CONFIG_Z8530 |
241 | #ifdef CONFIG_Z8530 |
152 | case KBD_Z8530: |
- | |
153 | z8530_init(devno, vaddr, inr, cir, cir_arg); |
242 | kbd_z8530_init(node); |
154 | break; |
- | |
155 | #endif |
243 | #endif |
- | 244 | ||
156 | #ifdef CONFIG_NS16550 |
245 | #ifdef CONFIG_NS16550 |
157 | case KBD_NS16550: |
246 | kbd_ns16550_init(node); |
158 | ns16550_init(devno, (ioport_t)vaddr, inr, cir, cir_arg); |
- | |
159 | break; |
- | |
160 | #endif |
247 | #endif |
161 | default: |
- | |
162 | printf("Kernel is not compiled with the necessary keyboard " |
- | |
163 | "driver this machine requires.\n"); |
- | |
164 | } |
- | |
165 | } |
248 | } |
166 | 249 | ||
- | 250 | #endif /* CONFIG_SUN_KBD */ |
|
- | 251 | ||
167 | /** @} |
252 | /** @} |
168 | */ |
253 | */ |
169 | 254 |