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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [drivers/] [char/] [dn_keyb.c] - Blame information for rev 1765

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Line No. Rev Author Line
1 1275 phoenix 
#include <linux/sched.h>
2 
#include <linux/interrupt.h>
3 
#include <linux/errno.h>
4 
#include <linux/keyboard.h>
5 
#include <linux/delay.h>
6 
#include <linux/timer.h>
7 
#include <linux/kd.h>
8 
#include <linux/kbd_ll.h>
9 
#include <linux/random.h>
10 
#include <linux/kernel.h>
11 
#include <linux/module.h>
12 
#include <linux/poll.h>
13 
#include <linux/miscdevice.h>
14 
#include <linux/init.h>
15 
 
16 
#include <asm/setup.h>
17 
#include <asm/irq.h>
18 
#include <asm/apollohw.h>
19 
#include <asm/uaccess.h>
20 
 
21 
#include "busmouse.h"
22 
 
23 
#define DNKEY_CAPS 0x7e
24 
#define BREAK_FLAG 0x80
25 
#define DNKEY_REPEAT_DELAY 50
26 
#define DNKEY_CTRL 0x43
27 
#define DNKEY_LSHIFT 0x5e
28 
#define DNKEY_RSHIFT 0x6a
29 
#define DNKEY_REPT 0x5d
30 
#define DNKEY_REPEAT 0x7f
31 
#define DNKEY_LALT 0x75
32 
#define DNKEY_RALT 0x77
33 
 
34 
#define APOLLO_KEYB_CMD_ENTRIES 16
35 
#define APOLLO_KBD_MODE_KEYB   0x01
36 
#define APOLLO_KBD_MODE_MOUSE   0x02
37 
#define APOLLO_KBD_MODE_CHANGE 0xff
38 
 
39 
static u_char keyb_cmds[APOLLO_KEYB_CMD_ENTRIES];
40 
static short keyb_cmd_read=0, keyb_cmd_write=0;
41 
static int keyb_cmd_transmit=0;
42 
static int msedev;
43 
 
44 
static unsigned int kbd_mode=APOLLO_KBD_MODE_KEYB;
45 
 
46 
#if 0
47 
static void debug_keyb_timer_handler(unsigned long ignored);
48 
static u_char debug_buf1[4096],debug_buf2[4096],*debug_buf=&debug_buf1[0];
49 
static u_char *shadow_buf=&debug_buf2[0];
50 
static short debug_buf_count=0;
51 
static int debug_buf_overrun=0,debug_timer_running=0;
52 
static unsigned long debug_buffer_updated=0;
53 
static struct timer_list debug_keyb_timer = { function: debug_keyb_timer_handler };
54 
#endif
55 
 
56 
static u_short dnplain_map[NR_KEYS] __initdata = {
57 
/*         ins     del     del     F1      F2      F3      F4
58 
           mark    line    char                                 */
59 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
60 
/* F5      F6      F7      F8      F9      F0      Again   Read */
61 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
62 
/* Edit    Exit    Hold    Copy    Paste   Grow            ESC  */
63 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf01b,
64 
/* 1       2       3       4       5       6       7       8    */
65 
   0xf031, 0xf032, 0xf033, 0xf034, 0xf035, 0xf036, 0xf037, 0xf038,
66 
/* 9       0       -       =       `       Back            |<--
67 
                                           Space                */
68 
   0xf039, 0xf030, 0xf02d, 0xf03d, 0xf060, 0xf07f, 0xf200, 0xf200,
69 
/* Shell   -->|                    Tab     q       w       e
70 
   Cmd                                                          */
71 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf009, 0xfb71, 0xfb77, 0xfb65,
72 
/* r       t       y       u       i       o       p       [    */
73 
   0xfb72, 0xfb74, 0xfb79, 0xfb75, 0xfb69, 0xfb6f, 0xfb70, 0xf05b,
74 
/* ]               Del             7       8       9       +    */
75 
   0xf05d, 0xf200, 0xf200, 0xf200, 0xf307, 0xf308, 0xf300, 0xf30a,
76 
/* [<--]   Up      [-->]   Ctrl                    a       s    */
77 
   0xf200, 0xf600, 0xf200, 0xf702, 0xf200, 0xf200, 0xfb61, 0xfb73,
78 
/* d       f       g       h       j       k       l       ;    */
79 
   0xfb64, 0xfb66, 0xfb67, 0xfb68, 0xfb6a, 0xfb6b, 0xfb6c, 0xf03b,
80 
/* '               Return  \               4       5       6    */
81 
   0xf027, 0xf200, 0xf201, 0xf05c, 0xf200, 0xf304, 0xf305, 0xf306,
82 
/* -       <--     Next    -->             Rept    Shift
83 
                   Window                                       */
84 
   0xf30b, 0xf601, 0xf200, 0xf602, 0xf200, 0xf200, 0xf700, 0xf200,
85 
/* z       x       c       v       b       n       m       ,    */
86 
   0xfb7a, 0xfb78, 0xfb63, 0xfb76, 0xfb62, 0xfb6e, 0xfb6d, 0xf02c,
87 
/* .       /       Shift           Pop             1       2    */
88 
   0xf02e, 0xf02f, 0xf700, 0xf200, 0xf200, 0xf200, 0xf301, 0xf302,
89 
/* 3               PgUp    Down    PgDn    Alt     Space   Alt  */
90 
   0xf303, 0xf200, 0xf118, 0xf603, 0xf119, 0xf703, 0xf020, 0xf701,
91 
/*         0               .       Enter                        */
92 
   0xf200, 0xf300, 0xf200, 0xf310, 0xf30e, 0xf200, 0xf700, 0xf200,
93 
};
94 
 
95 
static u_short dnshift_map[NR_KEYS] __initdata = {
96 
/*         ins     del     del     F1      F2      F3      F4
97 
           mark    line    char                                 */
98 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
99 
/* F5      F6      F7      F8      F9      F0      Again   Read */
100 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
101 
/* Save    Abort   Help    Cut     Undo    Grow            ESC  */
102 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf01b,
103 
/* !       @       #       $       %       ^       &       *    */
104 
   0xf021, 0xf040, 0xf023, 0xf024, 0xf025, 0xf05e, 0xf026, 0xf02a,
105 
/* (       )       _       +       ~       Back            |<--
106 
                                           Space                */
107 
   0xf028, 0xf029, 0xf05f, 0xf02b, 0xf07e, 0xf07f, 0xf200, 0xf200,
108 
/* Shell   -->|                    Tab     Q       W       E
109 
   Cmd                                                          */
110 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf009, 0xfb51, 0xfb57, 0xfb45,
111 
/* R       T       Y       U       I       O       P       {    */
112 
   0xfb52, 0xfb54, 0xfb59, 0xfb55, 0xfb49, 0xfb4f, 0xfb50, 0xf07b,
113 
/* }               Del             7       8       9       +    */
114 
   0xf07d, 0xf200, 0xf200, 0xf200, 0xf307, 0xf308, 0xf300, 0xf30a,
115 
/* [<--]   Up      [-->]   Ctrl                    A       S    */
116 
   0xf200, 0xf600, 0xf200, 0xf702, 0xf200, 0xf200, 0xfb41, 0xfb53,
117 
/* D       F       G       H       J       K       L       :    */
118 
   0xfb44, 0xfb46, 0xfb47, 0xfb48, 0xfb4a, 0xfb4b, 0xfb4c, 0xf03a,
119 
/* "               Return  |               4       5       6    */
120 
   0xf022, 0xf200, 0xf201, 0xf07c, 0xf200, 0xf304, 0xf305, 0xf306,
121 
/* -       <--     Next    -->             Rept    Shift
122 
                   Window                                       */
123 
   0xf30b, 0xf601, 0xf200, 0xf602, 0xf200, 0xf200, 0xf700, 0xf200,
124 
/* Z       X       C       V       B       N       M       <    */
125 
   0xfb5a, 0xfb58, 0xfb43, 0xfb56, 0xfb42, 0xfb4e, 0xfb4d, 0xf03c,
126 
/* >       ?       Shift           Pop             1       2    */
127 
   0xf03e, 0xf03f, 0xf700, 0xf200, 0xf200, 0xf200, 0xf301, 0xf302,
128 
/* 3               PgUp    Down    PgDn    Alt     Space   Alt  */
129 
   0xf303, 0xf200, 0xf118, 0xf603, 0xf119, 0xf703, 0xf020, 0xf701,
130 
/*         0               .       Enter                        */
131 
   0xf200, 0xf300, 0xf200, 0xf310, 0xf30e, 0xf200, 0xf708, 0xf200,
132 
};
133 
 
134 
static u_short dnctrl_map[NR_KEYS] __initdata = {
135 
/*         ins     del     del     F1      F2      F3      F4
136 
           mark    line    char                                 */
137 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
138 
/* F5      F6      F7      F8      F9      F0      Again   Read */
139 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
140 
/* Save    Abort   Help    Cut     Undo    Grow            ESC  */
141 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf01b,
142 
/* !       @       #       $       %       ^       &       *    */
143 
   0xf200, 0xf000, 0xf01b, 0xf01c, 0xf01d, 0xf01e, 0xf01f, 0xf07f,
144 
/* (       )       _       +       ~       Back            |<--
145 
                                           Space                */
146 
   0xf200, 0xf200, 0xf01f, 0xf200, 0xf01c, 0xf200, 0xf200, 0xf200,
147 
/* Shell   -->|                    Tab     Q       W       E
148 
   Cmd                                                          */
149 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf009, 0xf011, 0xf017, 0xf005,
150 
/* R       T       Y       U       I       O       P       {    */
151 
   0xf012, 0xf014, 0xf019, 0xf015, 0xf009, 0xf00f, 0xf010, 0xf01b,
152 
/* }               Del             7       8       9       +    */
153 
   0xf01d, 0xf200, 0xf200, 0xf200, 0xf307, 0xf308, 0xf300, 0xf30a,
154 
/* [<--]   Up      [-->]   Ctrl                    A       S    */
155 
   0xf200, 0xf600, 0xf200, 0xf702, 0xf200, 0xf200, 0xfb01, 0xfb53,
156 
/* D       F       G       H       J       K       L       :    */
157 
   0xf004, 0xf006, 0xf007, 0xf008, 0xf00a, 0xf00b, 0xf00c, 0xf200,
158 
/* "               Return  |               4       5       6    */
159 
   0xf200, 0xf200, 0xf201, 0xf01c, 0xf200, 0xf304, 0xf305, 0xf306,
160 
/* -       <--     Next    -->             Rept    Shift
161 
                   Window                                       */
162 
   0xf30b, 0xf601, 0xf200, 0xf602, 0xf200, 0xf200, 0xf704, 0xf200,
163 
/* Z       X       C       V       B       N       M       <    */
164 
   0xf01a, 0xf018, 0xf003, 0xf016, 0xf002, 0xf00e, 0xf01d, 0xf03c,
165 
/* >       ?       Shift           Pop             1       2    */
166 
   0xf03e, 0xf03f, 0xf705, 0xf200, 0xf200, 0xf200, 0xf301, 0xf302,
167 
/* 3               PgUp    Down    PgDn    Alt     Space   Alt  */
168 
   0xf303, 0xf200, 0xf118, 0xf603, 0xf119, 0xf703, 0xf020, 0xf701,
169 
/*         0               .       Enter                        */
170 
   0xf200, 0xf300, 0xf200, 0xf310, 0xf30e, 0xf200, 0xf200, 0xf200,
171 
};
172 
 
173 
static u_short dnalt_map[NR_KEYS] __initdata = {
174 
/*         ins     del     del     F1      F2      F3      F4
175 
           mark    line    char                                 */
176 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf500, 0xf501, 0xf502, 0xf503,
177 
/* F5      F6      F7      F8      F9      F0      Again   Read */
178 
   0xf504, 0xf505, 0xf506, 0xf507, 0xf508, 0xf509, 0xf200, 0xf200,
179 
/* Edit    Exit    Hold    Copy    Paste   Grow            ESC  */
180 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf01b,
181 
/* 1       2       3       4       5       6       7       8    */
182 
   0xf831, 0xf832, 0xf833, 0xf834, 0xf835, 0xf836, 0xf837, 0xf838,
183 
/* 9       0       -       =       `       Back            |<--
184 
                                           Space                */
185 
   0xf839, 0xf830, 0xf82d, 0xf83d, 0xf860, 0xf87f, 0xf200, 0xf200,
186 
/* Shell   -->|                    Tab     q       w       e
187 
   Cmd                                                          */
188 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf809, 0xf871, 0xf877, 0xf865,
189 
/* r       t       y       u       i       o       p       [    */
190 
   0xf872, 0xf874, 0xf879, 0xf875, 0xf869, 0xf86f, 0xf870, 0xf85b,
191 
/* ]               Del             7       8       9       +    */
192 
   0xf05d, 0xf200, 0xf200, 0xf200, 0xf307, 0xf308, 0xf300, 0xf30a,
193 
/* [<--]   Up      [-->]   Ctrl                    a       s    */
194 
   0xf200, 0xf600, 0xf200, 0xf702, 0xf200, 0xf200, 0xf861, 0xf873,
195 
/* d       f       g       h       j       k       l       ;    */
196 
   0xf864, 0xf866, 0xf867, 0xf868, 0xf86a, 0xf86b, 0xf86c, 0xf03b,
197 
/* '               Return  \               4       5       6    */
198 
   0xf027, 0xf200, 0xf201, 0xf05c, 0xf200, 0xf304, 0xf305, 0xf306,
199 
/* -       <--     Next    -->             Rept    Shift
200 
                   Window                                       */
201 
   0xf30b, 0xf601, 0xf200, 0xf602, 0xf200, 0xf200, 0xf704, 0xf200,
202 
/* z       x       c       v       b       n       m       ,    */
203 
   0xf87a, 0xf878, 0xf863, 0xf876, 0xf862, 0xf86e, 0xf86d, 0xf82c,
204 
/* .       /       Shift           Pop             1       2    */
205 
   0xf82e, 0xf82f, 0xf705, 0xf200, 0xf200, 0xf200, 0xf301, 0xf302,
206 
/* 3               PgUp    Down    PgDn    Alt     Space   Alt  */
207 
   0xf303, 0xf200, 0xf118, 0xf603, 0xf119, 0xf703, 0xf820, 0xf701,
208 
/*         0               .       Enter                        */
209 
   0xf200, 0xf300, 0xf200, 0xf310, 0xf30e, 0xf200, 0xf200, 0xf200,
210 
};
211 
 
212 
static u_short dnaltgr_map[NR_KEYS] __initdata = {
213 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
214 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
215 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
216 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
217 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
218 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
219 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
220 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
221 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
222 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
223 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
224 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
225 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
226 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
227 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
228 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200
229 
};
230 
 
231 
static u_short dnshift_ctrl_map[NR_KEYS] __initdata = {
232 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
233 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
234 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
235 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
236 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
237 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
238 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
239 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
240 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
241 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
242 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
243 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
244 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
245 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
246 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
247 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200
248 
};
249 
 
250 
static u_short dnctrl_alt_map[NR_KEYS] __initdata = {
251 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
252 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
253 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
254 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
255 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
256 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
257 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
258 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
259 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
260 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
261 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
262 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
263 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
264 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
265 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
266 
   0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200
267 
};
268 
 
269 
#if 0
270 
static void debug_keyb_timer_handler(unsigned long ignored) {
271 
 
272 
        unsigned long flags;
273 
        u_char *swap;
274 
        short length,i;
275 
 
276 
        if (time_after(jiffies, debug_buffer_updated + 100)) {
277 
                save_flags(flags);
278 
                cli();
279 
                length=debug_buf_count;
280 
                swap=debug_buf;
281 
                debug_buf=shadow_buf;
282 
                shadow_buf=swap;
283 
                debug_buf_count=0;
284 
                debug_timer_running=0;
285 
                restore_flags(flags);
286 
                for(i=1;length;length--,i++)
287 
                        printk("%02x%c",*(swap++), (i % 25) ? ' ' : '\n');
288 
                printk("\n");
289 
        }
290 
        else {
291 
                debug_keyb_timer.expires=jiffies+10;
292 
                add_timer(&debug_keyb_timer);
293 
        }
294 
}
295 
#endif
296 
 
297 
static void dn_keyb_process_key_event(unsigned char scancode) {
298 
 
299 
        static unsigned char lastscancode;
300 
        unsigned char prev_scancode=lastscancode;
301 
        static unsigned int lastkeypress;
302 
 
303 
        lastscancode=scancode;
304 
 
305 
        /*  printk("scan: %02x, lastscan: %02X, prev_scancode: %02X\n",scancode,lastscancode,prev_scancode); */
306 
 
307 
        if(prev_scancode==APOLLO_KBD_MODE_CHANGE) {
308 
                kbd_mode=scancode;
309 
/*              printk("modechange: %d\n",scancode); */
310 
        }
311 
        else if((scancode & (~BREAK_FLAG)) == DNKEY_CAPS) {
312 
        /* printk("handle_scancode: %02x\n",DNKEY_CAPS); */
313 
                handle_scancode(DNKEY_CAPS, 1);
314 
                /*    printk("handle_scancode: %02x\n",BREAK_FLAG | DNKEY_CAPS); */
315 
                handle_scancode(DNKEY_CAPS, 0);
316 
        }
317 
        else if( (scancode == DNKEY_REPEAT) && (prev_scancode < 0x7e) &&
318 
                        !(prev_scancode==DNKEY_CTRL || prev_scancode==DNKEY_LSHIFT ||
319 
                prev_scancode==DNKEY_RSHIFT || prev_scancode==DNKEY_REPT ||
320 
                prev_scancode==DNKEY_LALT || prev_scancode==DNKEY_RALT)) {
321 
                        if (time_after(jiffies, lastkeypress + DNKEY_REPEAT_DELAY)) {
322 
                        /*      printk("handle_scancode: %02x\n",prev_scancode); */
323 
                                handle_scancode(prev_scancode, 1);
324 
                                }
325 
                                lastscancode=prev_scancode;
326 
                        }
327 
        else {
328 
        /*      printk("handle_scancode: %02x\n",scancode);  */
329 
                        handle_scancode(scancode & ~BREAK_FLAG, !(scancode & BREAK_FLAG));
330 
                        lastkeypress=jiffies;
331 
        }
332 
}
333 
 
334 
static void dn_keyb_process_mouse_event(unsigned char mouse_data) {
335 
 
336 
        static short mouse_byte_count=0;
337 
        static u_char mouse_packet[3];
338 
        short buttons;
339 
        int dx, dy;
340 
 
341 
        mouse_packet[mouse_byte_count++]=mouse_data;
342 
 
343 
        if(mouse_byte_count==3) {
344 
                if(mouse_packet[0]==APOLLO_KBD_MODE_CHANGE) {
345 
                        kbd_mode=mouse_packet[1];
346 
                        mouse_byte_count=0;
347 
/*                      printk("modechange: %d\n",mouse_packet[1]); */
348 
                        if(kbd_mode==APOLLO_KBD_MODE_KEYB)
349 
                                dn_keyb_process_key_event(mouse_packet[2]);
350 
                }
351 
                if((mouse_packet[0] & 0x8f) == 0x80) {
352 
                        buttons = (mouse_packet[0] >> 4) & 0x7;
353 
                        dx = mouse_packet[1] == 0xff ? 0 : (signed char)mouse_packet[1];
354 
                        dy = mouse_packet[2] == 0xff ? 0 : (signed char)mouse_packet[2];
355 
                        busmouse_add_movementbuttons(msedev, dx, dy, buttons);
356 
                        mouse_byte_count=0;
357 
/*                      printk("mouse: %d, %d, %x\n",mouse_x,mouse_y,buttons); */
358 
                }
359 
        }
360 
}
361 
 
362 
static void dn_keyb_int(int irq, void *dummy, struct pt_regs *fp) {
363 
 
364 
        unsigned char data;
365 
        unsigned long flags;
366 
        int scn2681_ints;
367 
 
368 
        do {
369 
                scn2681_ints=sio01.isr_imr & 3;
370 
                if(scn2681_ints & 2) {
371 
                        data=sio01.rhra_thra;
372 
#if 0
373 
                        if(debug_buf_count<4096) {
374 
                                debug_buf[debug_buf_count++]=data;
375 
                                debug_buffer_updated=jiffies;
376 
                                if(!debug_timer_running) {
377 
                                        debug_keyb_timer.expires=jiffies+10;
378 
                                        add_timer(&debug_keyb_timer);
379 
                                        debug_timer_running=1;
380 
                                }
381 
                        }
382 
                        else
383 
                                debug_buf_overrun=1;
384 
#endif
385 
                        if(sio01.sra_csra & 0x10) {
386 
                                printk("whaa overrun !\n");
387 
                                continue;
388 
                        }
389 
 
390 
                        if(kbd_mode==APOLLO_KBD_MODE_KEYB)
391 
                                dn_keyb_process_key_event(data);
392 
                        else
393 
                                dn_keyb_process_mouse_event(data);
394 
                }
395 
 
396 
                if(scn2681_ints & 1) {
397 
                        save_flags(flags);
398 
                        cli();
399 
                        if(keyb_cmd_write!=keyb_cmd_read) {
400 
                                sio01.rhra_thra=keyb_cmds[keyb_cmd_read++];
401 
                                if(keyb_cmd_read==APOLLO_KEYB_CMD_ENTRIES)
402 
                                        keyb_cmd_read=0;
403 
                                keyb_cmd_transmit=1;
404 
                        }
405 
                        else {
406 
                                keyb_cmd_transmit=0;
407 
                                sio01.BRGtest_cra=9;
408 
                        }
409 
                        restore_flags(flags);
410 
                }
411 
        } while(scn2681_ints) ;
412 
}
413 
 
414 
void write_keyb_cmd(u_short length, u_char *cmd) {
415 
 
416 
        unsigned long flags;
417 
 
418 
        if((keyb_cmd_write==keyb_cmd_read) && keyb_cmd_transmit)
419 
                return;
420 
 
421 
        save_flags(flags);
422 
        cli();
423 
        for(;length;length--) {
424 
                keyb_cmds[keyb_cmd_write++]=*(cmd++);
425 
                if(keyb_cmd_write==keyb_cmd_read)
426 
                        return;
427 
                if(keyb_cmd_write==APOLLO_KEYB_CMD_ENTRIES)
428 
                        keyb_cmd_write=0;
429 
        }
430 
        if(!keyb_cmd_transmit)  {
431 
           sio01.BRGtest_cra=5;
432 
        }
433 
        restore_flags(flags);
434 
 
435 
}
436 
 
437 
static struct busmouse apollo_mouse = {
438 
        APOLLO_MOUSE_MINOR, "apollomouse", THIS_MODULE, NULL, NULL, 7
439 
};
440 
 
441 
int __init dn_keyb_init(void){
442 
 
443 
/*  printk("dn_keyb_init\n"); */
444 
 
445 
  memcpy(key_maps[0], dnplain_map, sizeof(plain_map));
446 
  memcpy(key_maps[1], dnshift_map, sizeof(plain_map));
447 
  memcpy(key_maps[2], dnaltgr_map, sizeof(plain_map));
448 
  memcpy(key_maps[4], dnctrl_map, sizeof(plain_map));
449 
  memcpy(key_maps[5], dnshift_ctrl_map, sizeof(plain_map));
450 
  memcpy(key_maps[8], dnalt_map, sizeof(plain_map));
451 
  memcpy(key_maps[12], dnctrl_alt_map, sizeof(plain_map));
452 
 
453 
 
454 
  msedev=register_busmouse(&apollo_mouse);
455 
  if (msedev < 0)
456 
      printk(KERN_WARNING "Unable to install Apollo mouse driver.\n");
457 
   else
458 
      printk(KERN_INFO "Apollo mouse installed.\n");
459 
 
460 
  /* program UpDownMode */
461 
 
462 
  while(!(sio01.sra_csra & 0x4));
463 
  sio01.rhra_thra=0xff;
464 
 
465 
  while(!(sio01.sra_csra & 0x4));
466 
  sio01.rhra_thra=0x1;
467 
 
468 
  request_irq(1, dn_keyb_int,0,NULL,NULL);
469 
 
470 
  /* enable receive int on DUART */
471 
  sio01.isr_imr=3;
472 
 
473 
  return 0;
474 
 
475 
}
476 
 
477 
int dn_dummy_kbdrate(struct kbd_repeat *k) {
478 
 
479 
  printk("dn_dummy_kbdrate\n");
480 
 
481 
  return 0;
482 
 
483 
}

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