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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 | 66 | ||
67 | name = ofw_tree_node_name(node); |
67 | name = ofw_tree_node_name(node); |
68 | 68 | ||
69 | /* |
69 | /* |
70 | * Determine keyboard serial controller type. |
70 | * Determine keyboard serial controller type. |
71 | */ |
71 | */ |
72 | if (strcmp(name, "zs") == 0) |
72 | if (strcmp(name, "zs") == 0) |
73 | kbd_type = KBD_Z8530; |
73 | kbd_type = KBD_Z8530; |
74 | else if (strcmp(name, "su") == 0) |
74 | else if (strcmp(name, "su") == 0) |
75 | kbd_type = KBD_NS16550; |
75 | kbd_type = KBD_NS16550; |
76 | 76 | ||
77 | if (kbd_type == KBD_UNKNOWN) { |
77 | if (kbd_type == KBD_UNKNOWN) { |
78 | printf("Unknown keyboard device.\n"); |
78 | printf("Unknown keyboard device.\n"); |
79 | return; |
79 | return; |
80 | } |
80 | } |
81 | 81 | ||
82 | /* |
82 | /* |
83 | * Read 'interrupts' property. |
83 | * Read 'interrupts' property. |
84 | */ |
84 | */ |
85 | uint32_t interrupts; |
85 | uint32_t interrupts; |
86 | prop = ofw_tree_getprop(node, "interrupts"); |
86 | prop = ofw_tree_getprop(node, "interrupts"); |
87 | if (!prop || !prop->value) |
87 | if (!prop || !prop->value) |
88 | panic("Can't find \"interrupts\" property.\n"); |
88 | panic("Can't find \"interrupts\" property.\n"); |
89 | interrupts = *((uint32_t *) prop->value); |
89 | interrupts = *((uint32_t *) prop->value); |
90 | 90 | ||
91 | /* |
91 | /* |
92 | * Read 'reg' property. |
92 | * Read 'reg' property. |
93 | */ |
93 | */ |
94 | prop = ofw_tree_getprop(node, "reg"); |
94 | prop = ofw_tree_getprop(node, "reg"); |
95 | if (!prop || !prop->value) |
95 | if (!prop || !prop->value) |
96 | panic("Can't find \"reg\" property.\n"); |
96 | panic("Can't find \"reg\" property.\n"); |
97 | 97 | ||
98 | uintptr_t pa; |
98 | uintptr_t pa; |
99 | size_t size; |
99 | size_t size; |
100 | inr_t inr; |
100 | inr_t inr; |
101 | devno_t devno = device_assign_devno(); |
101 | devno_t devno = device_assign_devno(); |
102 | 102 | ||
103 | switch (kbd_type) { |
103 | switch (kbd_type) { |
104 | case KBD_Z8530: |
104 | case KBD_Z8530: |
105 | size = ((ofw_fhc_reg_t *) prop->value)->size; |
105 | size = ((ofw_fhc_reg_t *) prop->value)->size; |
106 | if (!ofw_fhc_apply_ranges(node->parent, ((ofw_fhc_reg_t *) prop->value) , &pa)) { |
106 | if (!ofw_fhc_apply_ranges(node->parent, ((ofw_fhc_reg_t *) prop->value) , &pa)) { |
107 | printf("Failed to determine keyboard address.\n"); |
107 | printf("Failed to determine keyboard address.\n"); |
108 | return; |
108 | return; |
109 | } |
109 | } |
110 | if (!ofw_fhc_map_interrupt(node->parent, ((ofw_fhc_reg_t *) prop->value), interrupts, &inr)) { |
110 | if (!ofw_fhc_map_interrupt(node->parent, ((ofw_fhc_reg_t *) prop->value), interrupts, &inr)) { |
111 | printf("Failed to determine keyboard interrupt.\n"); |
111 | printf("Failed to determine keyboard interrupt.\n"); |
112 | return; |
112 | return; |
113 | } |
113 | } |
114 | break; |
114 | break; |
115 | 115 | ||
116 | case KBD_NS16550: |
116 | case KBD_NS16550: |
117 | size = ((ofw_ebus_reg_t *) prop->value)->size; |
117 | size = ((ofw_ebus_reg_t *) prop->value)->size; |
118 | if (!ofw_ebus_apply_ranges(node->parent, ((ofw_ebus_reg_t *) prop->value) , &pa)) { |
118 | if (!ofw_ebus_apply_ranges(node->parent, ((ofw_ebus_reg_t *) prop->value) , &pa)) { |
119 | printf("Failed to determine keyboard address.\n"); |
119 | printf("Failed to determine keyboard address.\n"); |
120 | return; |
120 | return; |
121 | } |
121 | } |
122 | if (!ofw_ebus_map_interrupt(node->parent, ((ofw_ebus_reg_t *) prop->value), interrupts, &inr)) { |
122 | if (!ofw_ebus_map_interrupt(node->parent, ((ofw_ebus_reg_t *) prop->value), interrupts, &inr)) { |
123 | printf("Failed to determine keyboard interrupt.\n"); |
123 | printf("Failed to determine keyboard interrupt.\n"); |
124 | return; |
124 | return; |
125 | }; |
125 | }; |
126 | break; |
126 | break; |
127 | 127 | ||
128 | default: |
128 | default: |
129 | panic("Unexpected type.\n"); |
129 | panic("Unexpected type.\n"); |
130 | } |
130 | } |
131 | 131 | ||
132 | /* |
132 | /* |
133 | * We need to pass aligned address to hw_map(). |
133 | * We need to pass aligned address to hw_map(). |
134 | * However, the physical keyboard address can |
134 | * However, the physical keyboard address can |
135 | * be pretty much unaligned, depending on the |
135 | * be pretty much unaligned, depending on the |
136 | * underlying controller. |
136 | * underlying controller. |
137 | */ |
137 | */ |
138 | aligned_addr = ALIGN_DOWN(pa, PAGE_SIZE); |
138 | aligned_addr = ALIGN_DOWN(pa, PAGE_SIZE); |
139 | offset = pa - aligned_addr; |
139 | offset = pa - aligned_addr; |
140 | uintptr_t vaddr = hw_map(aligned_addr, offset + size) + offset; |
140 | uintptr_t vaddr = hw_map(aligned_addr, offset + size) + offset; |
141 | 141 | ||
142 | switch (kbd_type) { |
142 | switch (kbd_type) { |
143 | #ifdef CONFIG_Z8530 |
143 | #ifdef CONFIG_Z8530 |
144 | case KBD_Z8530: |
144 | case KBD_Z8530: |
145 | z8530_init(devno, inr, vaddr); |
145 | z8530_init(devno, inr, vaddr); |
146 | break; |
146 | break; |
147 | #endif |
147 | #endif |
148 | #ifdef CONFIG_NS16550 |
148 | #ifdef CONFIG_NS16550 |
149 | case KBD_NS16550: |
149 | case KBD_NS16550: |
150 | ns16550_init(devno, inr, vaddr); |
150 | ns16550_init(devno, inr, vaddr); |
151 | break; |
151 | break; |
152 | #endif |
152 | #endif |
153 | default: |
153 | default: |
154 | printf("Kernel is not compiled with the necessary keyboard driver this machine requires.\n"); |
154 | printf("Kernel is not compiled with the necessary keyboard driver this machine requires.\n"); |
155 | } |
155 | } |
156 | } |
156 | } |
157 | 157 | ||
158 | /** @} |
158 | /** @} |
159 | */ |
159 | */ |
160 | 160 |