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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 | /** @addtogroup sparc64 |
29 | /** @addtogroup sparc64 |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** @file |
32 | /** @file |
33 | */ |
33 | */ |
34 | 34 | ||
35 | #include <arch/console.h> |
35 | #include <arch/console.h> |
36 | #include <arch/types.h> |
36 | #include <arch/types.h> |
37 | #include <typedefs.h> |
37 | #include <typedefs.h> |
38 | #include <genarch/fb/fb.h> |
38 | #include <genarch/fb/fb.h> |
39 | #include <arch/drivers/fb.h> |
39 | #include <arch/drivers/fb.h> |
40 | #include <arch/drivers/i8042.h> |
40 | #include <arch/drivers/i8042.h> |
41 | #include <genarch/i8042/i8042.h> |
41 | #include <genarch/i8042/i8042.h> |
42 | #include <genarch/ofw/ofw.h> |
42 | #include <genarch/ofw/ofw.h> |
43 | #include <console/chardev.h> |
43 | #include <console/chardev.h> |
44 | #include <console/console.h> |
44 | #include <console/console.h> |
45 | #include <arch/asm.h> |
45 | #include <arch/asm.h> |
46 | #include <arch/register.h> |
46 | #include <arch/register.h> |
47 | #include <proc/thread.h> |
47 | #include <proc/thread.h> |
48 | #include <synch/mutex.h> |
48 | #include <synch/mutex.h> |
49 | #include <arch/mm/tlb.h> |
49 | #include <arch/mm/tlb.h> |
50 | 50 | ||
51 | #define KEYBOARD_POLL_PAUSE 50000 /* 50ms */ |
51 | #define KEYBOARD_POLL_PAUSE 50000 /* 50ms */ |
52 | 52 | ||
53 | static void ofw_sparc64_putchar(chardev_t *d, const char ch); |
53 | static void ofw_sparc64_putchar(chardev_t *d, const char ch); |
54 | static char ofw_sparc64_getchar(chardev_t *d); |
- | |
55 | static void ofw_sparc64_suspend(chardev_t *d); |
- | |
56 | static void ofw_sparc64_resume(chardev_t *d); |
- | |
57 | - | ||
58 | mutex_t canwork; |
- | |
59 | 54 | ||
60 | static volatile int ofw_console_active; |
55 | static volatile int ofw_console_active; |
61 | 56 | ||
62 | static chardev_t ofw_sparc64_console; |
57 | static chardev_t ofw_sparc64_console; |
63 | static chardev_operations_t ofw_sparc64_console_ops = { |
58 | static chardev_operations_t ofw_sparc64_console_ops = { |
64 | .write = ofw_sparc64_putchar, |
59 | .write = ofw_sparc64_putchar, |
65 | .read = ofw_sparc64_getchar, |
- | |
66 | .resume = ofw_sparc64_resume, |
- | |
67 | .suspend = ofw_sparc64_suspend |
- | |
68 | }; |
60 | }; |
69 | 61 | ||
70 | /** Initialize kernel console to use OpenFirmware services. */ |
62 | /** Initialize kernel console to use OpenFirmware services. */ |
71 | void ofw_sparc64_console_init(void) |
63 | void ofw_sparc64_console_init(void) |
72 | { |
64 | { |
73 | chardev_initialize("ofw_sparc64_console", &ofw_sparc64_console, &ofw_sparc64_console_ops); |
65 | chardev_initialize("ofw_sparc64_console", &ofw_sparc64_console, &ofw_sparc64_console_ops); |
74 | stdin = &ofw_sparc64_console; |
66 | stdin = NULL; |
75 | stdout = &ofw_sparc64_console; |
67 | stdout = &ofw_sparc64_console; |
76 | mutex_initialize(&canwork); |
- | |
77 | ofw_console_active = 1; |
68 | ofw_console_active = 1; |
78 | } |
69 | } |
79 | 70 | ||
80 | /** Initialize kernel console to use framebuffer and keyboard directly. */ |
71 | /** Initialize kernel console to use framebuffer and keyboard directly. */ |
81 | void standalone_sparc64_console_init(void) |
72 | void standalone_sparc64_console_init(void) |
82 | { |
73 | { |
83 | ofw_console_active = 0; |
74 | ofw_console_active = 0; |
84 | stdin = NULL; |
75 | stdin = NULL; |
85 | 76 | ||
86 | kbd_init(); |
77 | kbd_init(); |
87 | fb_init(FB_PHYS_ADDRESS, FB_X_RES, FB_Y_RES, FB_COLOR_DEPTH, FB_X_RES * FB_COLOR_DEPTH / 8); |
78 | fb_init(FB_PHYS_ADDRESS, FB_X_RES, FB_Y_RES, FB_COLOR_DEPTH, FB_X_RES * FB_COLOR_DEPTH / 8); |
88 | } |
79 | } |
89 | 80 | ||
90 | /** Write one character using OpenFirmware. |
81 | /** Write one character using OpenFirmware. |
91 | * |
82 | * |
92 | * @param d Character device (ignored). |
83 | * @param d Character device (ignored). |
93 | * @param ch Character to be written. |
84 | * @param ch Character to be written. |
94 | */ |
85 | */ |
95 | void ofw_sparc64_putchar(chardev_t *d, const char ch) |
86 | void ofw_sparc64_putchar(chardev_t *d, const char ch) |
96 | { |
87 | { |
97 | pstate_reg_t pstate; |
- | |
98 | - | ||
99 | /* |
- | |
100 | * 32-bit OpenFirmware depends on PSTATE.AM bit set. |
- | |
101 | */ |
- | |
102 | pstate.value = pstate_read(); |
- | |
103 | pstate.am = true; |
- | |
104 | pstate_write(pstate.value); |
- | |
105 | - | ||
106 | if (ch == '\n') |
88 | if (ch == '\n') |
107 | ofw_putchar('\r'); |
89 | ofw_putchar('\r'); |
108 | ofw_putchar(ch); |
90 | ofw_putchar(ch); |
109 | - | ||
110 | pstate.am = false; |
- | |
111 | pstate_write(pstate.value); |
- | |
112 | } |
- | |
113 | - | ||
114 | /** Read one character using OpenFirmware. |
- | |
115 | * |
- | |
116 | * The call is non-blocking. |
- | |
117 | * |
- | |
118 | * @param d Character device (ignored). |
- | |
119 | * @return Character read or zero if no character was read. |
- | |
120 | */ |
- | |
121 | char ofw_sparc64_getchar(chardev_t *d) |
- | |
122 | { |
- | |
123 | char ch; |
- | |
124 | pstate_reg_t pstate; |
- | |
125 | - | ||
126 | /* |
- | |
127 | * 32-bit OpenFirmware depends on PSTATE.AM bit set. |
- | |
128 | */ |
- | |
129 | pstate.value = pstate_read(); |
- | |
130 | pstate.am = true; |
- | |
131 | pstate_write(pstate.value); |
- | |
132 | - | ||
133 | ch = ofw_getchar(); |
- | |
134 | - | ||
135 | pstate.am = false; |
- | |
136 | pstate_write(pstate.value); |
- | |
137 | - | ||
138 | return ch; |
- | |
139 | } |
- | |
140 | - | ||
141 | void ofw_sparc64_suspend(chardev_t *d) |
- | |
142 | { |
- | |
143 | mutex_lock(&canwork); |
- | |
144 | } |
- | |
145 | - | ||
146 | void ofw_sparc64_resume(chardev_t *d) |
- | |
147 | { |
- | |
148 | mutex_unlock(&canwork); |
- | |
149 | } |
- | |
150 | - | ||
151 | /** Kernel thread for pushing characters read from OFW to input buffer. |
- | |
152 | * |
- | |
153 | * @param arg Ignored. |
- | |
154 | */ |
- | |
155 | void kofwinput(void *arg) |
- | |
156 | { |
- | |
157 | - | ||
158 | while (ofw_console_active) { |
- | |
159 | char ch = 0; |
- | |
160 | - | ||
161 | mutex_lock(&canwork); |
- | |
162 | mutex_unlock(&canwork); |
- | |
163 | - | ||
164 | ch = ofw_sparc64_getchar(NULL); |
- | |
165 | if (ch) { |
- | |
166 | if (ch == '\r') |
- | |
167 | ch = '\n'; |
- | |
168 | chardev_push_character(&ofw_sparc64_console, ch); |
- | |
169 | } |
- | |
170 | thread_usleep(KEYBOARD_POLL_PAUSE); |
- | |
171 | } |
- | |
172 | } |
91 | } |
173 | 92 | ||
174 | /** Kernel thread for polling keyboard. |
93 | /** Kernel thread for polling keyboard. |
175 | * |
94 | * |
176 | * @param arg Ignored. |
95 | * @param arg Ignored. |
177 | */ |
96 | */ |
178 | void kkbdpoll(void *arg) |
97 | void kkbdpoll(void *arg) |
179 | { |
98 | { |
180 | while (1) { |
99 | while (1) { |
181 | i8042_poll(); |
100 | i8042_poll(); |
182 | thread_usleep(KEYBOARD_POLL_PAUSE); |
101 | thread_usleep(KEYBOARD_POLL_PAUSE); |
183 | } |
102 | } |
184 | } |
103 | } |
185 | 104 | ||
186 | /** @} |
105 | /** @} |
187 | */ |
106 | */ |
188 | 107 |