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