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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/keyboard.h> |
34 | #include <arch/drivers/i8042.h> |
- | 35 | #include <genarch/i8042/i8042.h> |
|
35 | #include <genarch/ofw/ofw.h> |
36 | #include <genarch/ofw/ofw.h> |
36 | #include <console/chardev.h> |
37 | #include <console/chardev.h> |
37 | #include <console/console.h> |
38 | #include <console/console.h> |
38 | #include <arch/asm.h> |
39 | #include <arch/asm.h> |
39 | #include <arch/register.h> |
40 | #include <arch/register.h> |
40 | #include <proc/thread.h> |
41 | #include <proc/thread.h> |
41 | #include <synch/mutex.h> |
42 | #include <synch/mutex.h> |
42 | 43 | ||
- | 44 | #define KEYBOARD_POLL_PAUSE 50000 /* 50ms */ |
|
- | 45 | ||
43 | static void ofw_sparc64_putchar(chardev_t *d, const char ch); |
46 | static void ofw_sparc64_putchar(chardev_t *d, const char ch); |
44 | static char ofw_sparc64_getchar(chardev_t *d); |
47 | static char ofw_sparc64_getchar(chardev_t *d); |
45 | static void ofw_sparc64_suspend(chardev_t *d); |
48 | static void ofw_sparc64_suspend(chardev_t *d); |
46 | static void ofw_sparc64_resume(chardev_t *d); |
49 | static void ofw_sparc64_resume(chardev_t *d); |
47 | 50 | ||
48 | mutex_t canwork; |
51 | mutex_t canwork; |
49 | 52 | ||
50 | static volatile int ofw_console_active; |
53 | static volatile int ofw_console_active; |
51 | 54 | ||
52 | static chardev_t ofw_sparc64_console; |
55 | static chardev_t ofw_sparc64_console; |
53 | static chardev_operations_t ofw_sparc64_console_ops = { |
56 | static chardev_operations_t ofw_sparc64_console_ops = { |
54 | .write = ofw_sparc64_putchar, |
57 | .write = ofw_sparc64_putchar, |
55 | .read = ofw_sparc64_getchar, |
58 | .read = ofw_sparc64_getchar, |
56 | .resume = ofw_sparc64_resume, |
59 | .resume = ofw_sparc64_resume, |
57 | .suspend = ofw_sparc64_suspend |
60 | .suspend = ofw_sparc64_suspend |
58 | }; |
61 | }; |
59 | 62 | ||
60 | /** Initialize kernel console to use OpenFirmware services. */ |
63 | /** Initialize kernel console to use OpenFirmware services. */ |
61 | void ofw_sparc64_console_init(void) |
64 | void ofw_sparc64_console_init(void) |
62 | { |
65 | { |
63 | chardev_initialize("ofw_sparc64_console", &ofw_sparc64_console, &ofw_sparc64_console_ops); |
66 | chardev_initialize("ofw_sparc64_console", &ofw_sparc64_console, &ofw_sparc64_console_ops); |
64 | stdin = &ofw_sparc64_console; |
67 | stdin = &ofw_sparc64_console; |
65 | stdout = &ofw_sparc64_console; |
68 | stdout = &ofw_sparc64_console; |
66 | mutex_initialize(&canwork); |
69 | mutex_initialize(&canwork); |
67 | ofw_console_active = 1; |
70 | ofw_console_active = 1; |
68 | } |
71 | } |
69 | 72 | ||
70 | /** Initialize kernel console to use framebuffer and keyboard directly. */ |
73 | /** Initialize kernel console to use framebuffer and keyboard directly. */ |
71 | void standalone_sparc64_console_init(void) |
74 | void standalone_sparc64_console_init(void) |
72 | { |
75 | { |
73 | ofw_console_active = 0; |
76 | ofw_console_active = 0; |
74 | stdin = NULL; |
77 | stdin = NULL; |
75 | fb_init(FB_VIRT_ADDRESS, FB_X_RES, FB_Y_RES, FB_COLOR_DEPTH/8); |
78 | fb_init(FB_VIRT_ADDRESS, FB_X_RES, FB_Y_RES, FB_COLOR_DEPTH/8); |
- | 79 | i8042_init(); |
|
76 | } |
80 | } |
77 | 81 | ||
78 | /** Write one character using OpenFirmware. |
82 | /** Write one character using OpenFirmware. |
79 | * |
83 | * |
80 | * @param d Character device (ignored). |
84 | * @param d Character device (ignored). |
81 | * @param ch Character to be written. |
85 | * @param ch Character to be written. |
82 | */ |
86 | */ |
83 | void ofw_sparc64_putchar(chardev_t *d, const char ch) |
87 | void ofw_sparc64_putchar(chardev_t *d, const char ch) |
84 | { |
88 | { |
85 | pstate_reg_t pstate; |
89 | pstate_reg_t pstate; |
86 | 90 | ||
87 | /* |
91 | /* |
88 | * 32-bit OpenFirmware depends on PSTATE.AM bit set. |
92 | * 32-bit OpenFirmware depends on PSTATE.AM bit set. |
89 | */ |
93 | */ |
90 | pstate.value = pstate_read(); |
94 | pstate.value = pstate_read(); |
91 | pstate.am = true; |
95 | pstate.am = true; |
92 | pstate_write(pstate.value); |
96 | pstate_write(pstate.value); |
93 | 97 | ||
94 | if (ch == '\n') |
98 | if (ch == '\n') |
95 | ofw_putchar('\r'); |
99 | ofw_putchar('\r'); |
96 | ofw_putchar(ch); |
100 | ofw_putchar(ch); |
97 | 101 | ||
98 | pstate.am = false; |
102 | pstate.am = false; |
99 | pstate_write(pstate.value); |
103 | pstate_write(pstate.value); |
100 | } |
104 | } |
101 | 105 | ||
102 | /** Read one character using OpenFirmware. |
106 | /** Read one character using OpenFirmware. |
103 | * |
107 | * |
104 | * The call is non-blocking. |
108 | * The call is non-blocking. |
105 | * |
109 | * |
106 | * @param d Character device (ignored). |
110 | * @param d Character device (ignored). |
107 | * @return Character read or zero if no character was read. |
111 | * @return Character read or zero if no character was read. |
108 | */ |
112 | */ |
109 | char ofw_sparc64_getchar(chardev_t *d) |
113 | char ofw_sparc64_getchar(chardev_t *d) |
110 | { |
114 | { |
111 | char ch; |
115 | char ch; |
112 | pstate_reg_t pstate; |
116 | pstate_reg_t pstate; |
113 | 117 | ||
114 | /* |
118 | /* |
115 | * 32-bit OpenFirmware depends on PSTATE.AM bit set. |
119 | * 32-bit OpenFirmware depends on PSTATE.AM bit set. |
116 | */ |
120 | */ |
117 | pstate.value = pstate_read(); |
121 | pstate.value = pstate_read(); |
118 | pstate.am = true; |
122 | pstate.am = true; |
119 | pstate_write(pstate.value); |
123 | pstate_write(pstate.value); |
120 | 124 | ||
121 | ch = ofw_getchar(); |
125 | ch = ofw_getchar(); |
122 | 126 | ||
123 | pstate.am = false; |
127 | pstate.am = false; |
124 | pstate_write(pstate.value); |
128 | pstate_write(pstate.value); |
125 | 129 | ||
126 | return ch; |
130 | return ch; |
127 | } |
131 | } |
128 | 132 | ||
129 | void ofw_sparc64_suspend(chardev_t *d) |
133 | void ofw_sparc64_suspend(chardev_t *d) |
130 | { |
134 | { |
131 | mutex_lock(&canwork); |
135 | mutex_lock(&canwork); |
132 | } |
136 | } |
133 | 137 | ||
134 | void ofw_sparc64_resume(chardev_t *d) |
138 | void ofw_sparc64_resume(chardev_t *d) |
135 | { |
139 | { |
136 | mutex_unlock(&canwork); |
140 | mutex_unlock(&canwork); |
137 | } |
141 | } |
138 | 142 | ||
139 | /** Kernel thread for pushing characters read from OFW to input buffer. |
143 | /** Kernel thread for pushing characters read from OFW to input buffer. |
140 | * |
144 | * |
141 | * @param arg Ignored. |
145 | * @param arg Ignored. |
142 | */ |
146 | */ |
143 | void kofwinput(void *arg) |
147 | void kofwinput(void *arg) |
144 | { |
148 | { |
145 | 149 | ||
146 | while (ofw_console_active) { |
150 | while (ofw_console_active) { |
147 | char ch = 0; |
151 | char ch = 0; |
148 | 152 | ||
149 | mutex_lock(&canwork); |
153 | mutex_lock(&canwork); |
150 | mutex_unlock(&canwork); |
154 | mutex_unlock(&canwork); |
151 | 155 | ||
152 | ch = ofw_sparc64_getchar(NULL); |
156 | ch = ofw_sparc64_getchar(NULL); |
153 | if (ch) { |
157 | if (ch) { |
154 | if (ch == '\r') |
158 | if (ch == '\r') |
155 | ch = '\n'; |
159 | ch = '\n'; |
156 | chardev_push_character(&ofw_sparc64_console, ch); |
160 | chardev_push_character(&ofw_sparc64_console, ch); |
157 | } |
161 | } |
158 | thread_usleep(25000); |
162 | thread_usleep(KEYBOARD_POLL_PAUSE); |
- | 163 | } |
|
- | 164 | } |
|
- | 165 | ||
- | 166 | /** Kernel thread for polling keyboard. |
|
- | 167 | * |
|
- | 168 | * @param arg Ignored. |
|
- | 169 | */ |
|
- | 170 | void kkbdpoll(void *arg) |
|
- | 171 | { |
|
- | 172 | while (1) { |
|
- | 173 | i8042_poll(); |
|
- | 174 | thread_usleep(KEYBOARD_POLL_PAUSE); |
|
159 | } |
175 | } |
160 | } |
176 | } |
161 | 177 |