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dn_keyb.c
资源名称：linux-2.4.20.tar.gz　[点击查看]
上传用户：jlfgdled
上传日期：2013-04-10
资源大小：33168k
文件大小：20k
源码类别：

Linux/Unix编程

开发平台：

Unix_Linux

dn_keyb.c：源码内容
  1. #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>
  16. #include <asm/setup.h>
  17. #include <asm/irq.h>
  18. #include <asm/apollohw.h>
  19. #include <asm/uaccess.h>
  21. #include "busmouse.h"
  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
  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
  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;
  44. static unsigned int kbd_mode=APOLLO_KBD_MODE_KEYB;
  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
  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. };
  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. };
  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. };
  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. };
  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. };
  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. };
  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. };
  269. #if 0
  270. static void debug_keyb_timer_handler(unsigned long ignored) {
  272. unsigned long flags;
  273. u_char *swap;
  274. short length,i;
  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
  297. static void dn_keyb_process_key_event(unsigned char scancode) {
  299. static unsigned char lastscancode;
  300. unsigned char prev_scancode=lastscancode;
  301. static unsigned int lastkeypress;
  303. lastscancode=scancode;
  305. /*  printk("scan: %02x, lastscan: %02X, prev_scancode: %02Xn",scancode,lastscancode,prev_scancode); */
  307. if(prev_scancode==APOLLO_KBD_MODE_CHANGE) {
  308. kbd_mode=scancode;
  309. /* printk("modechange: %dn",scancode); */
  310. }
  311. else if((scancode & (~BREAK_FLAG)) == DNKEY_CAPS) {
  312.      /* printk("handle_scancode: %02xn",DNKEY_CAPS); */
  313. handle_scancode(DNKEY_CAPS, 1);
  314. /*    printk("handle_scancode: %02xn",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: %02xn",prev_scancode); */
  323.             handle_scancode(prev_scancode, 1);
  324.    }
  325.     lastscancode=prev_scancode;
  326.    }
  327.    else {
  328. /*     printk("handle_scancode: %02xn",scancode);  */
  329.     handle_scancode(scancode & ~BREAK_FLAG, !(scancode & BREAK_FLAG));
  330.     lastkeypress=jiffies;
  331.    }
  332. }
  334. static void dn_keyb_process_mouse_event(unsigned char mouse_data) {
  336. static short mouse_byte_count=0;
  337. static u_char mouse_packet[3];
  338. short buttons;
  339. int dx, dy;
  341. mouse_packet[mouse_byte_count++]=mouse_data;
  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: %dn",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, %xn",mouse_x,mouse_y,buttons); */
  358. }
  359. }
  360. }
  362. static void dn_keyb_int(int irq, void *dummy, struct pt_regs *fp) {
  364. unsigned char data;
  365.    unsigned long flags;
  366.    int scn2681_ints;
  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. }
  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. }
  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. }
  414. void write_keyb_cmd(u_short length, u_char *cmd) {
  416.    unsigned long flags;
  418. if((keyb_cmd_write==keyb_cmd_read) && keyb_cmd_transmit)
  419. return;
  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);
  435. }
  437. static struct busmouse apollo_mouse = {
  438.         APOLLO_MOUSE_MINOR, "apollomouse", THIS_MODULE, NULL, NULL, 7
  439. };
  441. int __init dn_keyb_init(void){
  443. /*  printk("dn_keyb_initn"); */
  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));
  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");
  460.   /* program UpDownMode */
  462.   while(!(sio01.sra_csra & 0x4));
  463.   sio01.rhra_thra=0xff;
  465.   while(!(sio01.sra_csra & 0x4));
  466.   sio01.rhra_thra=0x1;
  468.   request_irq(1, dn_keyb_int,0,NULL,NULL);
  469.   
  470.   /* enable receive int on DUART */
  471.   sio01.isr_imr=3;
  473.   return 0;
  475. }
  477. int dn_dummy_kbdrate(struct kbd_repeat *k) {
  479.   printk("dn_dummy_kbdraten");
  481.   return 0;
  483. }