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