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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 | - | ||
- | 43 | #include <irq.h> |
|
44 | #include <arch/mm/page.h> |
44 | #include <arch/mm/page.h> |
45 | #include <arch/types.h> |
45 | #include <arch/types.h> |
46 | #include <typedefs.h> |
46 | #include <typedefs.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 | volatile uint8_t *kbd_virt_address = NULL; |
51 | volatile uint8_t *kbd_virt_address = NULL; |
52 | 52 | ||
53 | kbd_type_t kbd_type = KBD_UNKNOWN; |
53 | kbd_type_t kbd_type = KBD_UNKNOWN; |
54 | 54 | ||
- | 55 | static irq_t kbd_irq; |
|
- | 56 | ||
55 | /** Initialize keyboard. |
57 | /** Initialize keyboard. |
56 | * |
58 | * |
57 | * Traverse OpenFirmware device tree in order to find necessary |
59 | * Traverse OpenFirmware device tree in order to find necessary |
58 | * info about the keyboard device. |
60 | * info about the keyboard device. |
59 | * |
61 | * |
60 | * @param node Keyboard device node. |
62 | * @param node Keyboard device node. |
61 | */ |
63 | */ |
62 | void kbd_init(ofw_tree_node_t *node) |
64 | void kbd_init(ofw_tree_node_t *node) |
63 | { |
65 | { |
64 | size_t offset; |
66 | size_t offset; |
65 | uintptr_t aligned_addr; |
67 | uintptr_t aligned_addr; |
66 | ofw_tree_property_t *prop; |
68 | ofw_tree_property_t *prop; |
67 | const char *name; |
69 | const char *name; |
68 | 70 | ||
69 | name = ofw_tree_node_name(node); |
71 | name = ofw_tree_node_name(node); |
70 | 72 | ||
71 | /* |
73 | /* |
72 | * Determine keyboard serial controller type. |
74 | * Determine keyboard serial controller type. |
73 | */ |
75 | */ |
74 | if (strcmp(name, "zs") == 0) |
76 | if (strcmp(name, "zs") == 0) |
75 | kbd_type = KBD_Z8530; |
77 | kbd_type = KBD_Z8530; |
76 | else if (strcmp(name, "su") == 0) |
78 | else if (strcmp(name, "su") == 0) |
77 | kbd_type = KBD_NS16550; |
79 | kbd_type = KBD_NS16550; |
78 | 80 | ||
79 | if (kbd_type == KBD_UNKNOWN) { |
81 | if (kbd_type == KBD_UNKNOWN) { |
80 | printf("Unknown keyboard device.\n"); |
82 | printf("Unknown keyboard device.\n"); |
81 | return; |
83 | return; |
82 | } |
84 | } |
83 | 85 | ||
84 | /* |
86 | /* |
85 | * Read 'interrupts' property. |
87 | * Read 'interrupts' property. |
86 | */ |
88 | */ |
87 | uint32_t interrupts; |
89 | uint32_t interrupts; |
88 | prop = ofw_tree_getprop(node, "interrupts"); |
90 | prop = ofw_tree_getprop(node, "interrupts"); |
89 | if (!prop || !prop->value) |
91 | if (!prop || !prop->value) |
90 | panic("Can't find \"interrupts\" property.\n"); |
92 | panic("Can't find \"interrupts\" property.\n"); |
91 | interrupts = *((uint32_t *) prop->value); |
93 | interrupts = *((uint32_t *) prop->value); |
92 | 94 | ||
93 | /* |
95 | /* |
94 | * Read 'reg' property. |
96 | * Read 'reg' property. |
95 | */ |
97 | */ |
96 | prop = ofw_tree_getprop(node, "reg"); |
98 | prop = ofw_tree_getprop(node, "reg"); |
97 | if (!prop || !prop->value) |
99 | if (!prop || !prop->value) |
98 | panic("Can't find \"reg\" property.\n"); |
100 | panic("Can't find \"reg\" property.\n"); |
99 | 101 | ||
100 | uintptr_t pa; |
102 | uintptr_t pa; |
101 | size_t size; |
103 | size_t size; |
102 | int inr; |
104 | int inr; |
103 | 105 | ||
- | 106 | irq_initialize(&kbd_irq); |
|
- | 107 | ||
104 | switch (kbd_type) { |
108 | switch (kbd_type) { |
105 | case KBD_Z8530: |
109 | case KBD_Z8530: |
106 | size = ((ofw_fhc_reg_t *) prop->value)->size; |
110 | size = ((ofw_fhc_reg_t *) prop->value)->size; |
107 | if (!ofw_fhc_apply_ranges(node->parent, ((ofw_fhc_reg_t *) prop->value) , &pa)) { |
111 | if (!ofw_fhc_apply_ranges(node->parent, ((ofw_fhc_reg_t *) prop->value) , &pa)) { |
108 | printf("Failed to determine keyboard address.\n"); |
112 | printf("Failed to determine keyboard address.\n"); |
109 | return; |
113 | return; |
110 | } |
114 | } |
111 | if (!ofw_fhc_map_interrupt(node->parent, ((ofw_fhc_reg_t *) prop->value), interrupts, &inr)) { |
115 | if (!ofw_fhc_map_interrupt(node->parent, ((ofw_fhc_reg_t *) prop->value), interrupts, &inr)) { |
112 | printf("Failed to determine keyboard interrupt.\n"); |
116 | printf("Failed to determine keyboard interrupt.\n"); |
113 | return; |
117 | return; |
- | 118 | } else { |
|
- | 119 | kbd_irq.inr = inr; |
|
- | 120 | kbd_irq.devno = 0; /* FIXME: assign unique devno */ |
|
- | 121 | kbd_irq.trigger = IRQ_TRIGGER_LEVEL; |
|
- | 122 | kbd_irq.claim = z8530_claim; |
|
- | 123 | kbd_irq.handler = z8530_irq_handler; |
|
- | 124 | irq_register(&kbd_irq); |
|
114 | } |
125 | } |
115 | break; |
126 | break; |
- | 127 | ||
116 | case KBD_NS16550: |
128 | case KBD_NS16550: |
117 | size = ((ofw_ebus_reg_t *) prop->value)->size; |
129 | size = ((ofw_ebus_reg_t *) prop->value)->size; |
118 | if (!ofw_ebus_apply_ranges(node->parent, ((ofw_ebus_reg_t *) prop->value) , &pa)) { |
130 | if (!ofw_ebus_apply_ranges(node->parent, ((ofw_ebus_reg_t *) prop->value) , &pa)) { |
119 | printf("Failed to determine keyboard address.\n"); |
131 | printf("Failed to determine keyboard address.\n"); |
120 | return; |
132 | return; |
121 | } |
133 | } |
122 | if (!ofw_ebus_map_interrupt(node->parent, ((ofw_ebus_reg_t *) prop->value), interrupts, &inr)) { |
134 | if (!ofw_ebus_map_interrupt(node->parent, ((ofw_ebus_reg_t *) prop->value), interrupts, &inr)) { |
123 | printf("Failed to determine keyboard interrupt.\n"); |
135 | printf("Failed to determine keyboard interrupt.\n"); |
124 | return; |
136 | return; |
- | 137 | } else { |
|
- | 138 | kbd_irq.inr = inr; |
|
- | 139 | kbd_irq.devno = 0; /* FIXME: assign unique devno */ |
|
- | 140 | kbd_irq.trigger = IRQ_TRIGGER_LEVEL; |
|
- | 141 | kbd_irq.claim = ns16550_claim; |
|
- | 142 | kbd_irq.handler = ns16550_irq_handler; |
|
- | 143 | irq_register(&kbd_irq); |
|
125 | } |
144 | } |
126 | break; |
145 | break; |
- | 146 | ||
127 | default: |
147 | default: |
128 | panic("Unexpected type.\n"); |
148 | panic("Unexpected type.\n"); |
129 | } |
149 | } |
130 | 150 | ||
131 | /* |
151 | /* |
132 | * We need to pass aligned address to hw_map(). |
152 | * We need to pass aligned address to hw_map(). |
133 | * However, the physical keyboard address can |
153 | * However, the physical keyboard address can |
134 | * be pretty much unaligned, depending on the |
154 | * be pretty much unaligned, depending on the |
135 | * underlying controller. |
155 | * underlying controller. |
136 | */ |
156 | */ |
137 | aligned_addr = ALIGN_DOWN(pa, PAGE_SIZE); |
157 | aligned_addr = ALIGN_DOWN(pa, PAGE_SIZE); |
138 | offset = pa - aligned_addr; |
158 | offset = pa - aligned_addr; |
139 | kbd_virt_address = (uint8_t *) hw_map(aligned_addr, offset + size) + offset; |
159 | kbd_virt_address = (uint8_t *) hw_map(aligned_addr, offset + size) + offset; |
140 | 160 | ||
141 | switch (kbd_type) { |
161 | switch (kbd_type) { |
142 | #ifdef CONFIG_Z8530 |
162 | #ifdef CONFIG_Z8530 |
143 | case KBD_Z8530: |
163 | case KBD_Z8530: |
144 | z8530_init(); |
164 | z8530_init(); |
145 | break; |
165 | break; |
146 | #endif |
166 | #endif |
147 | #ifdef CONFIG_NS16550 |
167 | #ifdef CONFIG_NS16550 |
148 | case KBD_NS16550: |
168 | case KBD_NS16550: |
149 | ns16550_init(); |
169 | ns16550_init(); |
150 | break; |
170 | break; |
151 | #endif |
171 | #endif |
152 | default: |
172 | default: |
153 | printf("Kernel is not compiled with the necessary keyboard driver this machine requires.\n"); |
173 | printf("Kernel is not compiled with the necessary keyboard driver this machine requires.\n"); |
154 | } |
174 | } |
155 | } |
175 | } |
156 | 176 | ||
157 | /** @} |
177 | /** @} |
158 | */ |
178 | */ |
159 | 179 |