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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 <genarch/ofw/ofw.h> |
- | |
31 | #include <console/chardev.h> |
- | |
32 | #include <console/console.h> |
- | |
33 | #include <arch/asm.h> |
- | |
34 | #include <arch/register.h> |
- | |
35 | #include <arch/types.h> |
30 | #include <arch/types.h> |
36 | #include <typedefs.h> |
31 | #include <typedefs.h> |
37 | #include <proc/thread.h> |
32 | #include <genarch/fb/fb.h> |
38 | #include <synch/mutex.h> |
33 | #include <arch/drivers/fb.h> |
39 | 34 | ||
40 | static void ofw_sparc64_putchar(chardev_t *d, const char ch); |
- | |
41 | static char ofw_sparc64_getchar(chardev_t *d); |
- | |
42 | static void ofw_sparc64_suspend(chardev_t *d); |
- | |
43 | static void ofw_sparc64_resume(chardev_t *d); |
- | |
44 | - | ||
45 | mutex_t canwork; |
- | |
46 | - | ||
47 | static chardev_t ofw_sparc64_console; |
- | |
48 | static chardev_operations_t ofw_sparc64_console_ops = { |
- | |
49 | .write = ofw_sparc64_putchar, |
- | |
50 | .read = ofw_sparc64_getchar, |
- | |
51 | .resume = ofw_sparc64_resume, |
- | |
52 | .suspend = ofw_sparc64_suspend |
- | |
53 | }; |
- | |
54 | - | ||
55 | void ofw_sparc64_console_init(void) |
35 | void fb_sparc64_console_init(void) |
56 | { |
- | |
57 | chardev_initialize("ofw_sparc64_console", &ofw_sparc64_console, &ofw_sparc64_console_ops); |
- | |
58 | stdin = &ofw_sparc64_console; |
- | |
59 | stdout = &ofw_sparc64_console; |
- | |
60 | mutex_initialize(&canwork); |
- | |
61 | } |
- | |
62 | - | ||
63 | /** Write one character. |
- | |
64 | * |
- | |
65 | * @param d Character device (ignored). |
- | |
66 | * @param ch Character to be written. |
- | |
67 | */ |
- | |
68 | void ofw_sparc64_putchar(chardev_t *d, const char ch) |
- | |
69 | { |
36 | { |
70 | pstate_reg_t pstate; |
- | |
71 | - | ||
72 | /* |
- | |
73 | * 32-bit OpenFirmware depends on PSTATE.AM bit set. |
- | |
74 | */ |
- | |
75 | pstate.value = pstate_read(); |
- | |
76 | pstate.am = true; |
- | |
77 | pstate_write(pstate.value); |
- | |
78 | - | ||
79 | if (ch == '\n') |
- | |
80 | ofw_putchar('\r'); |
- | |
81 | ofw_putchar(ch); |
- | |
82 | - | ||
83 | pstate.am = false; |
- | |
84 | pstate_write(pstate.value); |
- | |
85 | } |
- | |
86 | - | ||
87 | /** Read one character. |
- | |
88 | * |
- | |
89 | * The call is non-blocking. |
- | |
90 | * |
- | |
91 | * @param d Character device (ignored). |
- | |
92 | * @return Character read or zero if no character was read. |
- | |
93 | */ |
- | |
94 | char ofw_sparc64_getchar(chardev_t *d) |
- | |
95 | { |
- | |
96 | char ch; |
- | |
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 | ch = ofw_getchar(); |
- | |
107 | - | ||
108 | pstate.am = false; |
- | |
109 | pstate_write(pstate.value); |
- | |
110 | - | ||
111 | return ch; |
- | |
112 | } |
- | |
113 | - | ||
114 | void ofw_sparc64_suspend(chardev_t *d) |
- | |
115 | { |
- | |
116 | mutex_lock(&canwork); |
- | |
117 | } |
- | |
118 | - | ||
119 | void ofw_sparc64_resume(chardev_t *d) |
- | |
120 | { |
- | |
121 | mutex_unlock(&canwork); |
- | |
122 | } |
- | |
123 | - | ||
124 | /** Kernel thread for pushing characters read from OFW to input buffer. |
37 | fb_init(FB_VIRT_ADDRESS, FB_X_RES, FB_Y_RES, FB_COLOR_DEPTH/8); |
125 | * |
- | |
126 | * @param arg Ignored. |
- | |
127 | */ |
- | |
128 | void kofwinput(void *arg) |
- | |
129 | { |
- | |
130 | - | ||
131 | while (1) { |
- | |
132 | char ch = 0; |
- | |
133 | - | ||
134 | mutex_lock(&canwork); |
- | |
135 | mutex_unlock(&canwork); |
- | |
136 | - | ||
137 | ch = ofw_sparc64_getchar(NULL); |
- | |
138 | if (ch) { |
- | |
139 | if (ch == '\r') |
- | |
140 | ch = '\n'; |
- | |
141 | chardev_push_character(&ofw_sparc64_console, ch); |
- | |
142 | } |
- | |
143 | thread_usleep(25000); |
- | |
144 | } |
- | |
145 | } |
38 | } |
146 | 39 |