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1 | /* |
1 | /* |
2 | * Copyright (C) 2005 Jakub Jermar |
2 | * Copyright (C) 2005 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 | #include <arch/console.h> |
29 | #include <arch/console.h> |
30 | #include <arch/types.h> |
30 | #include <arch/types.h> |
31 | #include <typedefs.h> |
31 | #include <typedefs.h> |
32 | #include <genarch/fb/fb.h> |
32 | #include <genarch/fb/fb.h> |
33 | #include <arch/drivers/fb.h> |
33 | #include <arch/drivers/fb.h> |
34 | #include <arch/drivers/i8042.h> |
34 | #include <arch/drivers/i8042.h> |
35 | #include <genarch/i8042/i8042.h> |
35 | #include <genarch/i8042/i8042.h> |
36 | #include <genarch/ofw/ofw.h> |
36 | #include <genarch/ofw/ofw.h> |
37 | #include <console/chardev.h> |
37 | #include <console/chardev.h> |
38 | #include <console/console.h> |
38 | #include <console/console.h> |
39 | #include <arch/asm.h> |
39 | #include <arch/asm.h> |
40 | #include <arch/register.h> |
40 | #include <arch/register.h> |
41 | #include <proc/thread.h> |
41 | #include <proc/thread.h> |
42 | #include <synch/mutex.h> |
42 | #include <synch/mutex.h> |
43 | #include <arch/mm/tlb.h> |
43 | #include <arch/mm/tlb.h> |
44 | 44 | ||
45 | #define KEYBOARD_POLL_PAUSE 50000 /* 50ms */ |
45 | #define KEYBOARD_POLL_PAUSE 50000 /* 50ms */ |
46 | 46 | ||
47 | static void ofw_sparc64_putchar(chardev_t *d, const char ch); |
47 | static void ofw_sparc64_putchar(chardev_t *d, const char ch); |
48 | static char ofw_sparc64_getchar(chardev_t *d); |
48 | static char ofw_sparc64_getchar(chardev_t *d); |
49 | static void ofw_sparc64_suspend(chardev_t *d); |
49 | static void ofw_sparc64_suspend(chardev_t *d); |
50 | static void ofw_sparc64_resume(chardev_t *d); |
50 | static void ofw_sparc64_resume(chardev_t *d); |
51 | 51 | ||
52 | mutex_t canwork; |
52 | mutex_t canwork; |
53 | 53 | ||
54 | static volatile int ofw_console_active; |
54 | static volatile int ofw_console_active; |
55 | 55 | ||
56 | static chardev_t ofw_sparc64_console; |
56 | static chardev_t ofw_sparc64_console; |
57 | static chardev_operations_t ofw_sparc64_console_ops = { |
57 | static chardev_operations_t ofw_sparc64_console_ops = { |
58 | .write = ofw_sparc64_putchar, |
58 | .write = ofw_sparc64_putchar, |
59 | .read = ofw_sparc64_getchar, |
59 | .read = ofw_sparc64_getchar, |
60 | .resume = ofw_sparc64_resume, |
60 | .resume = ofw_sparc64_resume, |
61 | .suspend = ofw_sparc64_suspend |
61 | .suspend = ofw_sparc64_suspend |
62 | }; |
62 | }; |
63 | 63 | ||
64 | /** Initialize kernel console to use OpenFirmware services. */ |
64 | /** Initialize kernel console to use OpenFirmware services. */ |
65 | void ofw_sparc64_console_init(void) |
65 | void ofw_sparc64_console_init(void) |
66 | { |
66 | { |
67 | chardev_initialize("ofw_sparc64_console", &ofw_sparc64_console, &ofw_sparc64_console_ops); |
67 | chardev_initialize("ofw_sparc64_console", &ofw_sparc64_console, &ofw_sparc64_console_ops); |
68 | stdin = &ofw_sparc64_console; |
68 | stdin = &ofw_sparc64_console; |
69 | stdout = &ofw_sparc64_console; |
69 | stdout = &ofw_sparc64_console; |
70 | mutex_initialize(&canwork); |
70 | mutex_initialize(&canwork); |
71 | ofw_console_active = 1; |
71 | ofw_console_active = 1; |
72 | } |
72 | } |
73 | 73 | ||
74 | /** Initialize kernel console to use framebuffer and keyboard directly. */ |
74 | /** Initialize kernel console to use framebuffer and keyboard directly. */ |
75 | void standalone_sparc64_console_init(void) |
75 | void standalone_sparc64_console_init(void) |
76 | { |
76 | { |
77 | ofw_console_active = 0; |
77 | ofw_console_active = 0; |
78 | stdin = NULL; |
78 | stdin = NULL; |
79 | 79 | ||
80 | dtlb_insert_mapping(FB_VIRT_ADDRESS, FB_PHYS_ADDRESS, PAGESIZE_4M, true, false); |
80 | dtlb_insert_mapping(FB_VIRT_ADDRESS, FB_PHYS_ADDRESS, PAGESIZE_4M, true, false); |
81 | dtlb_insert_mapping(KBD_VIRT_ADDRESS, KBD_PHYS_ADDRESS, PAGESIZE_8K, true, false); |
81 | dtlb_insert_mapping(KBD_VIRT_ADDRESS, KBD_PHYS_ADDRESS, PAGESIZE_8K, true, false); |
82 | 82 | ||
83 | fb_init(FB_VIRT_ADDRESS, FB_X_RES, FB_Y_RES, FB_COLOR_DEPTH/8); |
83 | fb_init(FB_VIRT_ADDRESS, FB_X_RES, FB_Y_RES, FB_COLOR_DEPTH, FB_X_RES * FB_COLOR_DEPTH / 8); |
84 | i8042_init(); |
84 | i8042_init(); |
85 | } |
85 | } |
86 | 86 | ||
87 | /** Write one character using OpenFirmware. |
87 | /** Write one character using OpenFirmware. |
88 | * |
88 | * |
89 | * @param d Character device (ignored). |
89 | * @param d Character device (ignored). |
90 | * @param ch Character to be written. |
90 | * @param ch Character to be written. |
91 | */ |
91 | */ |
92 | void ofw_sparc64_putchar(chardev_t *d, const char ch) |
92 | void ofw_sparc64_putchar(chardev_t *d, const char ch) |
93 | { |
93 | { |
94 | pstate_reg_t pstate; |
94 | pstate_reg_t pstate; |
95 | 95 | ||
96 | /* |
96 | /* |
97 | * 32-bit OpenFirmware depends on PSTATE.AM bit set. |
97 | * 32-bit OpenFirmware depends on PSTATE.AM bit set. |
98 | */ |
98 | */ |
99 | pstate.value = pstate_read(); |
99 | pstate.value = pstate_read(); |
100 | pstate.am = true; |
100 | pstate.am = true; |
101 | pstate_write(pstate.value); |
101 | pstate_write(pstate.value); |
102 | 102 | ||
103 | if (ch == '\n') |
103 | if (ch == '\n') |
104 | ofw_putchar('\r'); |
104 | ofw_putchar('\r'); |
105 | ofw_putchar(ch); |
105 | ofw_putchar(ch); |
106 | 106 | ||
107 | pstate.am = false; |
107 | pstate.am = false; |
108 | pstate_write(pstate.value); |
108 | pstate_write(pstate.value); |
109 | } |
109 | } |
110 | 110 | ||
111 | /** Read one character using OpenFirmware. |
111 | /** Read one character using OpenFirmware. |
112 | * |
112 | * |
113 | * The call is non-blocking. |
113 | * The call is non-blocking. |
114 | * |
114 | * |
115 | * @param d Character device (ignored). |
115 | * @param d Character device (ignored). |
116 | * @return Character read or zero if no character was read. |
116 | * @return Character read or zero if no character was read. |
117 | */ |
117 | */ |
118 | char ofw_sparc64_getchar(chardev_t *d) |
118 | char ofw_sparc64_getchar(chardev_t *d) |
119 | { |
119 | { |
120 | char ch; |
120 | char ch; |
121 | pstate_reg_t pstate; |
121 | pstate_reg_t pstate; |
122 | 122 | ||
123 | /* |
123 | /* |
124 | * 32-bit OpenFirmware depends on PSTATE.AM bit set. |
124 | * 32-bit OpenFirmware depends on PSTATE.AM bit set. |
125 | */ |
125 | */ |
126 | pstate.value = pstate_read(); |
126 | pstate.value = pstate_read(); |
127 | pstate.am = true; |
127 | pstate.am = true; |
128 | pstate_write(pstate.value); |
128 | pstate_write(pstate.value); |
129 | 129 | ||
130 | ch = ofw_getchar(); |
130 | ch = ofw_getchar(); |
131 | 131 | ||
132 | pstate.am = false; |
132 | pstate.am = false; |
133 | pstate_write(pstate.value); |
133 | pstate_write(pstate.value); |
134 | 134 | ||
135 | return ch; |
135 | return ch; |
136 | } |
136 | } |
137 | 137 | ||
138 | void ofw_sparc64_suspend(chardev_t *d) |
138 | void ofw_sparc64_suspend(chardev_t *d) |
139 | { |
139 | { |
140 | mutex_lock(&canwork); |
140 | mutex_lock(&canwork); |
141 | } |
141 | } |
142 | 142 | ||
143 | void ofw_sparc64_resume(chardev_t *d) |
143 | void ofw_sparc64_resume(chardev_t *d) |
144 | { |
144 | { |
145 | mutex_unlock(&canwork); |
145 | mutex_unlock(&canwork); |
146 | } |
146 | } |
147 | 147 | ||
148 | /** Kernel thread for pushing characters read from OFW to input buffer. |
148 | /** Kernel thread for pushing characters read from OFW to input buffer. |
149 | * |
149 | * |
150 | * @param arg Ignored. |
150 | * @param arg Ignored. |
151 | */ |
151 | */ |
152 | void kofwinput(void *arg) |
152 | void kofwinput(void *arg) |
153 | { |
153 | { |
154 | 154 | ||
155 | while (ofw_console_active) { |
155 | while (ofw_console_active) { |
156 | char ch = 0; |
156 | char ch = 0; |
157 | 157 | ||
158 | mutex_lock(&canwork); |
158 | mutex_lock(&canwork); |
159 | mutex_unlock(&canwork); |
159 | mutex_unlock(&canwork); |
160 | 160 | ||
161 | ch = ofw_sparc64_getchar(NULL); |
161 | ch = ofw_sparc64_getchar(NULL); |
162 | if (ch) { |
162 | if (ch) { |
163 | if (ch == '\r') |
163 | if (ch == '\r') |
164 | ch = '\n'; |
164 | ch = '\n'; |
165 | chardev_push_character(&ofw_sparc64_console, ch); |
165 | chardev_push_character(&ofw_sparc64_console, ch); |
166 | } |
166 | } |
167 | thread_usleep(KEYBOARD_POLL_PAUSE); |
167 | thread_usleep(KEYBOARD_POLL_PAUSE); |
168 | } |
168 | } |
169 | } |
169 | } |
170 | 170 | ||
171 | /** Kernel thread for polling keyboard. |
171 | /** Kernel thread for polling keyboard. |
172 | * |
172 | * |
173 | * @param arg Ignored. |
173 | * @param arg Ignored. |
174 | */ |
174 | */ |
175 | void kkbdpoll(void *arg) |
175 | void kkbdpoll(void *arg) |
176 | { |
176 | { |
177 | while (1) { |
177 | while (1) { |
178 | i8042_poll(); |
178 | i8042_poll(); |
179 | thread_usleep(KEYBOARD_POLL_PAUSE); |
179 | thread_usleep(KEYBOARD_POLL_PAUSE); |
180 | } |
180 | } |
181 | } |
181 | } |
182 | 182 |