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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); |
54 | static char ofw_sparc64_getchar(chardev_t *d); |
55 | static void ofw_sparc64_suspend(chardev_t *d); |
55 | static void ofw_sparc64_suspend(chardev_t *d); |
56 | static void ofw_sparc64_resume(chardev_t *d); |
56 | static void ofw_sparc64_resume(chardev_t *d); |
57 | 57 | ||
58 | mutex_t canwork; |
58 | mutex_t canwork; |
59 | 59 | ||
60 | static volatile int ofw_console_active; |
60 | static volatile int ofw_console_active; |
61 | 61 | ||
62 | static chardev_t ofw_sparc64_console; |
62 | static chardev_t ofw_sparc64_console; |
63 | static chardev_operations_t ofw_sparc64_console_ops = { |
63 | static chardev_operations_t ofw_sparc64_console_ops = { |
64 | .write = ofw_sparc64_putchar, |
64 | .write = ofw_sparc64_putchar, |
65 | .read = ofw_sparc64_getchar, |
65 | .read = ofw_sparc64_getchar, |
66 | .resume = ofw_sparc64_resume, |
66 | .resume = ofw_sparc64_resume, |
67 | .suspend = ofw_sparc64_suspend |
67 | .suspend = ofw_sparc64_suspend |
68 | }; |
68 | }; |
69 | 69 | ||
70 | /** Initialize kernel console to use OpenFirmware services. */ |
70 | /** Initialize kernel console to use OpenFirmware services. */ |
71 | void ofw_sparc64_console_init(void) |
71 | void ofw_sparc64_console_init(void) |
72 | { |
72 | { |
73 | chardev_initialize("ofw_sparc64_console", &ofw_sparc64_console, &ofw_sparc64_console_ops); |
73 | chardev_initialize("ofw_sparc64_console", &ofw_sparc64_console, &ofw_sparc64_console_ops); |
74 | stdin = &ofw_sparc64_console; |
74 | stdin = &ofw_sparc64_console; |
75 | stdout = &ofw_sparc64_console; |
75 | stdout = &ofw_sparc64_console; |
76 | mutex_initialize(&canwork); |
76 | mutex_initialize(&canwork); |
77 | ofw_console_active = 1; |
77 | ofw_console_active = 1; |
78 | } |
78 | } |
79 | 79 | ||
80 | /** Initialize kernel console to use framebuffer and keyboard directly. */ |
80 | /** Initialize kernel console to use framebuffer and keyboard directly. */ |
81 | void standalone_sparc64_console_init(void) |
81 | void standalone_sparc64_console_init(void) |
82 | { |
82 | { |
83 | ofw_console_active = 0; |
83 | ofw_console_active = 0; |
84 | stdin = NULL; |
84 | stdin = NULL; |
85 | 85 | ||
86 | kbd_init(); |
86 | kbd_init(); |
87 | fb_init(FB_PHYS_ADDRESS, FB_X_RES, FB_Y_RES, FB_COLOR_DEPTH, FB_X_RES * FB_COLOR_DEPTH / 8); |
87 | fb_init(FB_PHYS_ADDRESS, FB_X_RES, FB_Y_RES, FB_COLOR_DEPTH, FB_X_RES * FB_COLOR_DEPTH / 8); |
88 | } |
88 | } |
89 | 89 | ||
90 | /** Write one character using OpenFirmware. |
90 | /** Write one character using OpenFirmware. |
91 | * |
91 | * |
92 | * @param d Character device (ignored). |
92 | * @param d Character device (ignored). |
93 | * @param ch Character to be written. |
93 | * @param ch Character to be written. |
94 | */ |
94 | */ |
95 | void ofw_sparc64_putchar(chardev_t *d, const char ch) |
95 | void ofw_sparc64_putchar(chardev_t *d, const char ch) |
96 | { |
96 | { |
97 | pstate_reg_t pstate; |
97 | pstate_reg_t pstate; |
98 | 98 | ||
99 | /* |
99 | /* |
100 | * 32-bit OpenFirmware depends on PSTATE.AM bit set. |
100 | * 32-bit OpenFirmware depends on PSTATE.AM bit set. |
101 | */ |
101 | */ |
102 | pstate.value = pstate_read(); |
102 | pstate.value = pstate_read(); |
103 | pstate.am = true; |
103 | pstate.am = true; |
104 | pstate_write(pstate.value); |
104 | pstate_write(pstate.value); |
105 | 105 | ||
106 | if (ch == '\n') |
106 | if (ch == '\n') |
107 | ofw_putchar('\r'); |
107 | ofw_putchar('\r'); |
108 | ofw_putchar(ch); |
108 | ofw_putchar(ch); |
109 | 109 | ||
110 | pstate.am = false; |
110 | pstate.am = false; |
111 | pstate_write(pstate.value); |
111 | pstate_write(pstate.value); |
112 | } |
112 | } |
113 | 113 | ||
114 | /** Read one character using OpenFirmware. |
114 | /** Read one character using OpenFirmware. |
115 | * |
115 | * |
116 | * The call is non-blocking. |
116 | * The call is non-blocking. |
117 | * |
117 | * |
118 | * @param d Character device (ignored). |
118 | * @param d Character device (ignored). |
119 | * @return Character read or zero if no character was read. |
119 | * @return Character read or zero if no character was read. |
120 | */ |
120 | */ |
121 | char ofw_sparc64_getchar(chardev_t *d) |
121 | char ofw_sparc64_getchar(chardev_t *d) |
122 | { |
122 | { |
123 | char ch; |
123 | char ch; |
124 | pstate_reg_t pstate; |
124 | pstate_reg_t pstate; |
125 | 125 | ||
126 | /* |
126 | /* |
127 | * 32-bit OpenFirmware depends on PSTATE.AM bit set. |
127 | * 32-bit OpenFirmware depends on PSTATE.AM bit set. |
128 | */ |
128 | */ |
129 | pstate.value = pstate_read(); |
129 | pstate.value = pstate_read(); |
130 | pstate.am = true; |
130 | pstate.am = true; |
131 | pstate_write(pstate.value); |
131 | pstate_write(pstate.value); |
132 | 132 | ||
133 | ch = ofw_getchar(); |
133 | ch = ofw_getchar(); |
134 | 134 | ||
135 | pstate.am = false; |
135 | pstate.am = false; |
136 | pstate_write(pstate.value); |
136 | pstate_write(pstate.value); |
137 | 137 | ||
138 | return ch; |
138 | return ch; |
139 | } |
139 | } |
140 | 140 | ||
141 | void ofw_sparc64_suspend(chardev_t *d) |
141 | void ofw_sparc64_suspend(chardev_t *d) |
142 | { |
142 | { |
143 | mutex_lock(&canwork); |
143 | mutex_lock(&canwork); |
144 | } |
144 | } |
145 | 145 | ||
146 | void ofw_sparc64_resume(chardev_t *d) |
146 | void ofw_sparc64_resume(chardev_t *d) |
147 | { |
147 | { |
148 | mutex_unlock(&canwork); |
148 | mutex_unlock(&canwork); |
149 | } |
149 | } |
150 | 150 | ||
151 | /** Kernel thread for pushing characters read from OFW to input buffer. |
151 | /** Kernel thread for pushing characters read from OFW to input buffer. |
152 | * |
152 | * |
153 | * @param arg Ignored. |
153 | * @param arg Ignored. |
154 | */ |
154 | */ |
155 | void kofwinput(void *arg) |
155 | void kofwinput(void *arg) |
156 | { |
156 | { |
157 | 157 | ||
158 | while (ofw_console_active) { |
158 | while (ofw_console_active) { |
159 | char ch = 0; |
159 | char ch = 0; |
160 | 160 | ||
161 | mutex_lock(&canwork); |
161 | mutex_lock(&canwork); |
162 | mutex_unlock(&canwork); |
162 | mutex_unlock(&canwork); |
163 | 163 | ||
164 | ch = ofw_sparc64_getchar(NULL); |
164 | ch = ofw_sparc64_getchar(NULL); |
165 | if (ch) { |
165 | if (ch) { |
166 | if (ch == '\r') |
166 | if (ch == '\r') |
167 | ch = '\n'; |
167 | ch = '\n'; |
168 | chardev_push_character(&ofw_sparc64_console, ch); |
168 | chardev_push_character(&ofw_sparc64_console, ch); |
169 | } |
169 | } |
170 | thread_usleep(KEYBOARD_POLL_PAUSE); |
170 | thread_usleep(KEYBOARD_POLL_PAUSE); |
171 | } |
171 | } |
172 | } |
172 | } |
173 | 173 | ||
174 | /** Kernel thread for polling keyboard. |
174 | /** Kernel thread for polling keyboard. |
175 | * |
175 | * |
176 | * @param arg Ignored. |
176 | * @param arg Ignored. |
177 | */ |
177 | */ |
178 | void kkbdpoll(void *arg) |
178 | void kkbdpoll(void *arg) |
179 | { |
179 | { |
180 | while (1) { |
180 | while (1) { |
181 | i8042_poll(); |
181 | i8042_poll(); |
182 | thread_usleep(KEYBOARD_POLL_PAUSE); |
182 | thread_usleep(KEYBOARD_POLL_PAUSE); |
183 | } |
183 | } |
184 | } |
184 | } |
185 | 185 | ||
186 | /** @} |
186 | /** @} |
187 | */ |
187 | */ |
188 | - | ||
189 | 188 |