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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 <func.h> |
49 | #include <print.h> |
49 | #include <print.h> |
50 | 50 | ||
51 | kbd_type_t kbd_type = KBD_UNKNOWN; |
51 | kbd_type_t kbd_type = KBD_UNKNOWN; |
52 | 52 | ||
53 | /** Initialize keyboard. |
53 | /** Initialize keyboard. |
54 | * |
54 | * |
55 | * Traverse OpenFirmware device tree in order to find necessary |
55 | * Traverse OpenFirmware device tree in order to find necessary |
56 | * info about the keyboard device. |
56 | * info about the keyboard device. |
57 | * |
57 | * |
58 | * @param node Keyboard device node. |
58 | * @param node Keyboard device node. |
59 | */ |
59 | */ |
60 | void kbd_init(ofw_tree_node_t *node) |
60 | void kbd_init(ofw_tree_node_t *node) |
61 | { |
61 | { |
62 | size_t offset; |
62 | size_t offset; |
63 | uintptr_t aligned_addr; |
63 | uintptr_t aligned_addr; |
64 | ofw_tree_property_t *prop; |
64 | ofw_tree_property_t *prop; |
65 | const char *name; |
65 | const char *name; |
66 | cir_t cir; |
66 | cir_t cir; |
67 | void *cir_arg; |
67 | void *cir_arg; |
68 | 68 | ||
69 | name = ofw_tree_node_name(node); |
69 | name = ofw_tree_node_name(node); |
70 | 70 | ||
71 | /* |
71 | /* |
72 | * Determine keyboard serial controller type. |
72 | * Determine keyboard serial controller type. |
73 | */ |
73 | */ |
74 | if (strcmp(name, "zs") == 0) |
74 | if (strcmp(name, "zs") == 0) |
75 | kbd_type = KBD_Z8530; |
75 | kbd_type = KBD_Z8530; |
76 | else if (strcmp(name, "su") == 0) |
76 | else if (strcmp(name, "su") == 0) |
77 | kbd_type = KBD_NS16550; |
77 | kbd_type = KBD_NS16550; |
78 | 78 | ||
79 | if (kbd_type == KBD_UNKNOWN) { |
79 | if (kbd_type == KBD_UNKNOWN) { |
80 | printf("Unknown keyboard device.\n"); |
80 | printf("Unknown keyboard device.\n"); |
81 | return; |
81 | return; |
82 | } |
82 | } |
83 | 83 | ||
84 | /* |
84 | /* |
85 | * Read 'interrupts' property. |
85 | * Read 'interrupts' property. |
86 | */ |
86 | */ |
87 | uint32_t interrupts; |
87 | uint32_t interrupts; |
88 | prop = ofw_tree_getprop(node, "interrupts"); |
88 | prop = ofw_tree_getprop(node, "interrupts"); |
89 | if ((!prop) || (!prop->value)) |
89 | if ((!prop) || (!prop->value)) |
90 | panic("Cannot find 'interrupt' property."); |
90 | panic("Cannot find 'interrupt' property."); |
91 | interrupts = *((uint32_t *) prop->value); |
91 | interrupts = *((uint32_t *) prop->value); |
92 | 92 | ||
93 | /* |
93 | /* |
94 | * Read 'reg' property. |
94 | * Read 'reg' property. |
95 | */ |
95 | */ |
96 | prop = ofw_tree_getprop(node, "reg"); |
96 | prop = ofw_tree_getprop(node, "reg"); |
97 | if ((!prop) || (!prop->value)) |
97 | if ((!prop) || (!prop->value)) |
98 | panic("Cannot find 'reg' property."); |
98 | panic("Cannot find 'reg' property."); |
99 | 99 | ||
100 | uintptr_t pa; |
100 | uintptr_t pa; |
101 | size_t size; |
101 | size_t size; |
102 | inr_t inr; |
102 | inr_t inr; |
103 | 103 | ||
104 | switch (kbd_type) { |
104 | switch (kbd_type) { |
105 | case KBD_Z8530: |
105 | case KBD_Z8530: |
106 | size = ((ofw_fhc_reg_t *) prop->value)->size; |
106 | size = ((ofw_fhc_reg_t *) prop->value)->size; |
107 | if (!ofw_fhc_apply_ranges(node->parent, |
107 | if (!ofw_fhc_apply_ranges(node->parent, |
108 | ((ofw_fhc_reg_t *) prop->value), &pa)) { |
108 | ((ofw_fhc_reg_t *) prop->value), &pa)) { |
109 | printf("Failed to determine keyboard address.\n"); |
109 | printf("Failed to determine keyboard address.\n"); |
110 | return; |
110 | return; |
111 | } |
111 | } |
112 | if (!ofw_fhc_map_interrupt(node->parent, |
112 | if (!ofw_fhc_map_interrupt(node->parent, |
113 | ((ofw_fhc_reg_t *) prop->value), interrupts, &inr, &cir, |
113 | ((ofw_fhc_reg_t *) prop->value), interrupts, &inr, &cir, |
114 | &cir_arg)) { |
114 | &cir_arg)) { |
115 | printf("Failed to determine keyboard interrupt.\n"); |
115 | printf("Failed to determine keyboard interrupt.\n"); |
116 | return; |
116 | return; |
117 | } |
117 | } |
118 | break; |
118 | break; |
119 | 119 | ||
120 | case KBD_NS16550: |
120 | case KBD_NS16550: |
121 | size = ((ofw_ebus_reg_t *) prop->value)->size; |
121 | size = ((ofw_ebus_reg_t *) prop->value)->size; |
122 | if (!ofw_ebus_apply_ranges(node->parent, |
122 | if (!ofw_ebus_apply_ranges(node->parent, |
123 | ((ofw_ebus_reg_t *) prop->value), &pa)) { |
123 | ((ofw_ebus_reg_t *) prop->value), &pa)) { |
124 | printf("Failed to determine keyboard address.\n"); |
124 | printf("Failed to determine keyboard address.\n"); |
125 | return; |
125 | return; |
126 | } |
126 | } |
127 | if (!ofw_ebus_map_interrupt(node->parent, |
127 | if (!ofw_ebus_map_interrupt(node->parent, |
128 | ((ofw_ebus_reg_t *) prop->value), interrupts, &inr, &cir, |
128 | ((ofw_ebus_reg_t *) prop->value), interrupts, &inr, &cir, |
129 | &cir_arg)) { |
129 | &cir_arg)) { |
130 | printf("Failed to determine keyboard interrupt.\n"); |
130 | printf("Failed to determine keyboard interrupt.\n"); |
131 | return; |
131 | return; |
132 | }; |
132 | }; |
133 | break; |
133 | break; |
134 | 134 | ||
135 | default: |
135 | default: |
136 | panic("Unexpected keyboard type."); |
136 | panic("Unexpected keyboard type."); |
137 | } |
137 | } |
138 | 138 | ||
139 | /* |
139 | /* |
140 | * We need to pass aligned address to hw_map(). |
140 | * We need to pass aligned address to hw_map(). |
141 | * However, the physical keyboard address can |
141 | * However, the physical keyboard address can |
142 | * be pretty much unaligned, depending on the |
142 | * be pretty much unaligned, depending on the |
143 | * underlying controller. |
143 | * underlying controller. |
144 | */ |
144 | */ |
145 | aligned_addr = ALIGN_DOWN(pa, PAGE_SIZE); |
145 | aligned_addr = ALIGN_DOWN(pa, PAGE_SIZE); |
146 | offset = pa - aligned_addr; |
146 | offset = pa - aligned_addr; |
147 | 147 | ||
148 | switch (kbd_type) { |
148 | switch (kbd_type) { |
149 | #ifdef CONFIG_Z8530 |
149 | #ifdef CONFIG_Z8530 |
150 | case KBD_Z8530: |
150 | case KBD_Z8530: |
151 | z8530_init(device_assign_devno(), |
151 | (void) z8530_init((z8530_t *) hw_map(aligned_addr, |
152 | hw_map(aligned_addr, offset + size) + offset, inr, cir, cir_arg); |
152 | offset + size) + offset, device_assign_devno(), inr, cir, |
- | 153 | cir_arg); |
|
153 | break; |
154 | break; |
154 | #endif |
155 | #endif |
155 | #ifdef CONFIG_NS16550 |
156 | #ifdef CONFIG_NS16550 |
156 | case KBD_NS16550: |
157 | case KBD_NS16550: |
157 | (void) ns16550_init((ns16550_t *) (hw_map(aligned_addr, |
158 | (void) ns16550_init((ns16550_t *) (hw_map(aligned_addr, |
158 | offset + size) + offset), device_assign_devno(), inr, cir, |
159 | offset + size) + offset), device_assign_devno(), inr, cir, |
159 | cir_arg); |
160 | cir_arg); |
160 | break; |
161 | break; |
161 | #endif |
162 | #endif |
162 | default: |
163 | default: |
163 | printf("Kernel is not compiled with the necessary keyboard " |
164 | printf("Kernel is not compiled with the necessary keyboard " |
164 | "driver this machine requires.\n"); |
165 | "driver this machine requires.\n"); |
165 | } |
166 | } |
166 | } |
167 | } |
167 | 168 | ||
168 | /** @} |
169 | /** @} |
169 | */ |
170 | */ |
170 | 171 |