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dn_keyb.c
资源名称：SBC-2410X_kernel.tar.gz　[点击查看]
上传用户：lgb322
上传日期：2013-02-24
资源大小：30529k
文件大小：20k
源码类别：

嵌入式Linux

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/random.h>
  9. #include <linux/kernel.h>
  10. #include <linux/module.h>
  11. #include <linux/poll.h>
  12. #include <linux/miscdevice.h>
  13. #include <linux/init.h>
  15. #include <asm/setup.h>
  16. #include <asm/irq.h>
  17. #include <asm/apollohw.h>
  18. #include <asm/uaccess.h>
  20. #include "busmouse.h"
  22. /* extern void handle_scancode(unsigned char,int ); */
  24. #define DNKEY_CAPS 0x7e
  25. #define BREAK_FLAG 0x80
  26. #define DNKEY_REPEAT_DELAY 50
  27. #define DNKEY_CTRL 0x43
  28. #define DNKEY_LSHIFT 0x5e
  29. #define DNKEY_RSHIFT 0x6a
  30. #define DNKEY_REPT 0x5d
  31. #define DNKEY_REPEAT 0x7f
  32. #define DNKEY_LALT 0x75
  33. #define DNKEY_RALT 0x77
  35. #define APOLLO_KEYB_CMD_ENTRIES 16
  36. #define APOLLO_KBD_MODE_KEYB   0x01
  37. #define APOLLO_KBD_MODE_MOUSE   0x02
  38. #define APOLLO_KBD_MODE_CHANGE 0xff
  40. static u_char keyb_cmds[APOLLO_KEYB_CMD_ENTRIES];
  41. static short keyb_cmd_read=0, keyb_cmd_write=0;
  42. static int keyb_cmd_transmit=0;
  43. static int msedev;
  45. static unsigned int kbd_mode=APOLLO_KBD_MODE_KEYB;
  47. #if 0
  48. static void debug_keyb_timer_handler(unsigned long ignored);
  49. static u_char debug_buf1[4096],debug_buf2[4096],*debug_buf=&debug_buf1[0];
  50. static u_char *shadow_buf=&debug_buf2[0];
  51. static short debug_buf_count=0;
  52. static int debug_buf_overrun=0,debug_timer_running=0;
  53. static unsigned long debug_buffer_updated=0;
  54. static struct timer_list debug_keyb_timer = { function: debug_keyb_timer_handler };
  55. #endif
  57. static u_short dnplain_map[NR_KEYS] __initdata = {
  58. /*         ins     del     del     F1      F2      F3      F4  
  59.            mark    line    char                                 */
  60.    0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
  61. /* F5      F6      F7      F8      F9      F0      Again   Read */
  62.    0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
  63. /* Edit    Exit    Hold    Copy    Paste   Grow            ESC  */
  64.    0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf01b,
  65. /* 1       2       3       4       5       6       7       8    */
  66.    0xf031, 0xf032, 0xf033, 0xf034, 0xf035, 0xf036, 0xf037, 0xf038,
  67. /* 9       0       -       =       `       Back            |<--
  68.                                            Space                */
  69.    0xf039, 0xf030, 0xf02d, 0xf03d, 0xf060, 0xf07f, 0xf200, 0xf200,
  70. /* Shell   -->|                    Tab     q       w       e
  71.    Cmd                                                          */
  72.    0xf200, 0xf200, 0xf200, 0xf200, 0xf009, 0xfb71, 0xfb77, 0xfb65,
  73. /* r       t       y       u       i       o       p       [    */
  74.    0xfb72, 0xfb74, 0xfb79, 0xfb75, 0xfb69, 0xfb6f, 0xfb70, 0xf05b,
  75. /* ]               Del             7       8       9       +    */
  76.    0xf05d, 0xf200, 0xf200, 0xf200, 0xf307, 0xf308, 0xf300, 0xf30a,
  77. /* [<--]   Up      [-->]   Ctrl                    a       s    */
  78.    0xf200, 0xf600, 0xf200, 0xf702, 0xf200, 0xf200, 0xfb61, 0xfb73,
  79. /* d       f       g       h       j       k       l       ;    */
  80.    0xfb64, 0xfb66, 0xfb67, 0xfb68, 0xfb6a, 0xfb6b, 0xfb6c, 0xf03b,
  81. /* '               Return                 4       5       6    */
  82.    0xf027, 0xf200, 0xf201, 0xf05c, 0xf200, 0xf304, 0xf305, 0xf306,
  83. /* -       <--     Next    -->             Rept    Shift        
  84.                    Window                                       */
  85.    0xf30b, 0xf601, 0xf200, 0xf602, 0xf200, 0xf200, 0xf700, 0xf200,
  86. /* z       x       c       v       b       n       m       ,    */
  87.    0xfb7a, 0xfb78, 0xfb63, 0xfb76, 0xfb62, 0xfb6e, 0xfb6d, 0xf02c,
  88. /* .       /       Shift           Pop             1       2    */
  89.    0xf02e, 0xf02f, 0xf700, 0xf200, 0xf200, 0xf200, 0xf301, 0xf302,
  90. /* 3               PgUp    Down    PgDn    Alt     Space   Alt  */
  91.    0xf303, 0xf200, 0xf118, 0xf603, 0xf119, 0xf703, 0xf020, 0xf701,
  92. /*         0               .       Enter                        */
  93.    0xf200, 0xf300, 0xf200, 0xf310, 0xf30e, 0xf200, 0xf700, 0xf200,
  94. };
  96. static u_short dnshift_map[NR_KEYS] __initdata = {
  97. /*         ins     del     del     F1      F2      F3      F4
  98.            mark    line    char                                 */
  99.    0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
  100. /* F5      F6      F7      F8      F9      F0      Again   Read */
  101.    0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
  102. /* Save    Abort   Help    Cut     Undo    Grow            ESC  */
  103.    0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf01b,
  104. /* !       @       #       $       %       ^       &       *    */
  105.    0xf021, 0xf040, 0xf023, 0xf024, 0xf025, 0xf05e, 0xf026, 0xf02a,
  106. /* (       )       _       +       ~       Back            |<--
  107.                                            Space                */
  108.    0xf028, 0xf029, 0xf05f, 0xf02b, 0xf07e, 0xf07f, 0xf200, 0xf200,
  109. /* Shell   -->|                    Tab     Q       W       E
  110.    Cmd                                                          */
  111.    0xf200, 0xf200, 0xf200, 0xf200, 0xf009, 0xfb51, 0xfb57, 0xfb45,
  112. /* R       T       Y       U       I       O       P       {    */
  113.    0xfb52, 0xfb54, 0xfb59, 0xfb55, 0xfb49, 0xfb4f, 0xfb50, 0xf07b,
  114. /* }               Del             7       8       9       +    */
  115.    0xf07d, 0xf200, 0xf200, 0xf200, 0xf307, 0xf308, 0xf300, 0xf30a,
  116. /* [<--]   Up      [-->]   Ctrl                    A       S    */
  117.    0xf200, 0xf600, 0xf200, 0xf702, 0xf200, 0xf200, 0xfb41, 0xfb53,
  118. /* D       F       G       H       J       K       L       :    */
  119.    0xfb44, 0xfb46, 0xfb47, 0xfb48, 0xfb4a, 0xfb4b, 0xfb4c, 0xf03a,
  120. /* "               Return  |               4       5       6    */
  121.    0xf022, 0xf200, 0xf201, 0xf07c, 0xf200, 0xf304, 0xf305, 0xf306,
  122. /* -       <--     Next    -->             Rept    Shift        
  123.                    Window                                       */
  124.    0xf30b, 0xf601, 0xf200, 0xf602, 0xf200, 0xf200, 0xf700, 0xf200,
  125. /* Z       X       C       V       B       N       M       <    */
  126.    0xfb5a, 0xfb58, 0xfb43, 0xfb56, 0xfb42, 0xfb4e, 0xfb4d, 0xf03c,
  127. /* >       ?       Shift           Pop             1       2    */
  128.    0xf03e, 0xf03f, 0xf700, 0xf200, 0xf200, 0xf200, 0xf301, 0xf302,
  129. /* 3               PgUp    Down    PgDn    Alt     Space   Alt  */
  130.    0xf303, 0xf200, 0xf118, 0xf603, 0xf119, 0xf703, 0xf020, 0xf701,
  131. /*         0               .       Enter                        */
  132.    0xf200, 0xf300, 0xf200, 0xf310, 0xf30e, 0xf200, 0xf708, 0xf200,
  133. };
  135. static u_short dnctrl_map[NR_KEYS] __initdata = {
  136. /*         ins     del     del     F1      F2      F3      F4
  137.            mark    line    char                                 */
  138.    0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
  139. /* F5      F6      F7      F8      F9      F0      Again   Read */
  140.    0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
  141. /* Save    Abort   Help    Cut     Undo    Grow            ESC  */
  142.    0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf01b,
  143. /* !       @       #       $       %       ^       &       *    */
  144.    0xf200, 0xf000, 0xf01b, 0xf01c, 0xf01d, 0xf01e, 0xf01f, 0xf07f,
  145. /* (       )       _       +       ~       Back            |<--
  146.                                            Space                */
  147.    0xf200, 0xf200, 0xf01f, 0xf200, 0xf01c, 0xf200, 0xf200, 0xf200,
  148. /* Shell   -->|                    Tab     Q       W       E
  149.    Cmd                                                          */
  150.    0xf200, 0xf200, 0xf200, 0xf200, 0xf009, 0xf011, 0xf017, 0xf005,
  151. /* R       T       Y       U       I       O       P       {    */
  152.    0xf012, 0xf014, 0xf019, 0xf015, 0xf009, 0xf00f, 0xf010, 0xf01b,
  153. /* }               Del             7       8       9       +    */
  154.    0xf01d, 0xf200, 0xf200, 0xf200, 0xf307, 0xf308, 0xf300, 0xf30a,
  155. /* [<--]   Up      [-->]   Ctrl                    A       S    */
  156.    0xf200, 0xf600, 0xf200, 0xf702, 0xf200, 0xf200, 0xfb01, 0xfb53,
  157. /* D       F       G       H       J       K       L       :    */
  158.    0xf004, 0xf006, 0xf007, 0xf008, 0xf00a, 0xf00b, 0xf00c, 0xf200,
  159. /* "               Return  |               4       5       6    */
  160.    0xf200, 0xf200, 0xf201, 0xf01c, 0xf200, 0xf304, 0xf305, 0xf306,
  161. /* -       <--     Next    -->             Rept    Shift        
  162.                    Window                                       */
  163.    0xf30b, 0xf601, 0xf200, 0xf602, 0xf200, 0xf200, 0xf704, 0xf200,
  164. /* Z       X       C       V       B       N       M       <    */
  165.    0xf01a, 0xf018, 0xf003, 0xf016, 0xf002, 0xf00e, 0xf01d, 0xf03c,
  166. /* >       ?       Shift           Pop             1       2    */
  167.    0xf03e, 0xf03f, 0xf705, 0xf200, 0xf200, 0xf200, 0xf301, 0xf302,
  168. /* 3               PgUp    Down    PgDn    Alt     Space   Alt  */
  169.    0xf303, 0xf200, 0xf118, 0xf603, 0xf119, 0xf703, 0xf020, 0xf701,
  170. /*         0               .       Enter                        */
  171.    0xf200, 0xf300, 0xf200, 0xf310, 0xf30e, 0xf200, 0xf200, 0xf200,
  172. };
  174. static u_short dnalt_map[NR_KEYS] __initdata = {
  175. /*         ins     del     del     F1      F2      F3      F4  
  176.            mark    line    char                                 */
  177.    0xf200, 0xf200, 0xf200, 0xf200, 0xf500, 0xf501, 0xf502, 0xf503,
  178. /* F5      F6      F7      F8      F9      F0      Again   Read */
  179.    0xf504, 0xf505, 0xf506, 0xf507, 0xf508, 0xf509, 0xf200, 0xf200,
  180. /* Edit    Exit    Hold    Copy    Paste   Grow            ESC  */
  181.    0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf01b,
  182. /* 1       2       3       4       5       6       7       8    */
  183.    0xf831, 0xf832, 0xf833, 0xf834, 0xf835, 0xf836, 0xf837, 0xf838,
  184. /* 9       0       -       =       `       Back            |<--
  185.                                            Space                */
  186.    0xf839, 0xf830, 0xf82d, 0xf83d, 0xf860, 0xf87f, 0xf200, 0xf200,
  187. /* Shell   -->|                    Tab     q       w       e
  188.    Cmd                                                          */
  189.    0xf200, 0xf200, 0xf200, 0xf200, 0xf809, 0xf871, 0xf877, 0xf865,
  190. /* r       t       y       u       i       o       p       [    */
  191.    0xf872, 0xf874, 0xf879, 0xf875, 0xf869, 0xf86f, 0xf870, 0xf85b,
  192. /* ]               Del             7       8       9       +    */
  193.    0xf05d, 0xf200, 0xf200, 0xf200, 0xf307, 0xf308, 0xf300, 0xf30a,
  194. /* [<--]   Up      [-->]   Ctrl                    a       s    */
  195.    0xf200, 0xf600, 0xf200, 0xf702, 0xf200, 0xf200, 0xf861, 0xf873,
  196. /* d       f       g       h       j       k       l       ;    */
  197.    0xf864, 0xf866, 0xf867, 0xf868, 0xf86a, 0xf86b, 0xf86c, 0xf03b,
  198. /* '               Return                 4       5       6    */
  199.    0xf027, 0xf200, 0xf201, 0xf05c, 0xf200, 0xf304, 0xf305, 0xf306,
  200. /* -       <--     Next    -->             Rept    Shift        
  201.                    Window                                       */
  202.    0xf30b, 0xf601, 0xf200, 0xf602, 0xf200, 0xf200, 0xf704, 0xf200,
  203. /* z       x       c       v       b       n       m       ,    */
  204.    0xf87a, 0xf878, 0xf863, 0xf876, 0xf862, 0xf86e, 0xf86d, 0xf82c,
  205. /* .       /       Shift           Pop             1       2    */
  206.    0xf82e, 0xf82f, 0xf705, 0xf200, 0xf200, 0xf200, 0xf301, 0xf302,
  207. /* 3               PgUp    Down    PgDn    Alt     Space   Alt  */
  208.    0xf303, 0xf200, 0xf118, 0xf603, 0xf119, 0xf703, 0xf820, 0xf701,
  209. /*         0               .       Enter                        */
  210.    0xf200, 0xf300, 0xf200, 0xf310, 0xf30e, 0xf200, 0xf200, 0xf200,
  211. };
  213. static u_short dnaltgr_map[NR_KEYS] __initdata = {
  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.    0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200
  230. };
  232. static u_short dnshift_ctrl_map[NR_KEYS] __initdata = {
  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.    0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200
  249. };
  251. static u_short dnctrl_alt_map[NR_KEYS] __initdata = {
  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.    0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200
  268. };
  270. #if 0
  271. static void debug_keyb_timer_handler(unsigned long ignored) {
  273. unsigned long flags;
  274. u_char *swap;
  275. short length,i;
  277. if (time_after(jiffies, debug_buffer_updated + 100)) {
  278. save_flags(flags);
  279. cli();
  280. length=debug_buf_count;
  281. swap=debug_buf;
  282. debug_buf=shadow_buf;
  283. shadow_buf=swap;
  284. debug_buf_count=0;
  285. debug_timer_running=0;
  286. restore_flags(flags);
  287. for(i=1;length;length--,i++)
  288. printk("%02x%c",*(swap++), (i % 25) ? ' ' : 'n');
  289. printk("n");
  290. }
  291. else {
  292. debug_keyb_timer.expires=jiffies+10;
  293. add_timer(&debug_keyb_timer);
  294. }
  295. }
  296. #endif
  298. static void dn_keyb_process_key_event(unsigned char scancode) {
  300. static unsigned char lastscancode;
  301. unsigned char prev_scancode=lastscancode;
  302. static unsigned int lastkeypress;
  304. lastscancode=scancode;
  306. /*  printk("scan: %02x, lastscan: %02X, prev_scancode: %02Xn",scancode,lastscancode,prev_scancode); */
  308. if(prev_scancode==APOLLO_KBD_MODE_CHANGE) {
  309. kbd_mode=scancode;
  310. /* printk("modechange: %dn",scancode); */
  311. }
  312. else if((scancode & (~BREAK_FLAG)) == DNKEY_CAPS) {
  313.      /* printk("handle_scancode: %02xn",DNKEY_CAPS); */
  314. handle_scancode(DNKEY_CAPS, 1);
  315. /*    printk("handle_scancode: %02xn",BREAK_FLAG | DNKEY_CAPS); */
  316. handle_scancode(DNKEY_CAPS, 0);
  317. }
  318. else if( (scancode == DNKEY_REPEAT) && (prev_scancode < 0x7e) &&
  319.     !(prev_scancode==DNKEY_CTRL || prev_scancode==DNKEY_LSHIFT ||
  320.             prev_scancode==DNKEY_RSHIFT || prev_scancode==DNKEY_REPT ||
  321.            prev_scancode==DNKEY_LALT || prev_scancode==DNKEY_RALT)) {
  322. if (time_after(jiffies, lastkeypress + DNKEY_REPEAT_DELAY)) {
  323. /*     printk("handle_scancode: %02xn",prev_scancode); */
  324.             handle_scancode(prev_scancode, 1);
  325.    }
  326.     lastscancode=prev_scancode;
  327.    }
  328.    else {
  329. /*     printk("handle_scancode: %02xn",scancode);  */
  330.     handle_scancode(scancode & ~BREAK_FLAG, !(scancode & BREAK_FLAG));
  331.     lastkeypress=jiffies;
  332.    }
  333. }
  335. static void dn_keyb_process_mouse_event(unsigned char mouse_data) {
  337. static short mouse_byte_count=0;
  338. static u_char mouse_packet[3];
  339. short mouse_buttons;
  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. if(mouse_update_allowed) {
  353. mouse_ready=1;
  354. mouse_buttons=(mouse_packet[0] >> 4) & 0x7;
  355. mouse_dx+=mouse_packet[1] == 0xff ? 0 : (signed char)mouse_packet[1];
  356. mouse_dy+=mouse_packet[2] == 0xff ? 0 : (signed char)mouse_packet[2];
  357. wake_up_interruptible(&mouse_wait);
  358. if (mouse_dx < -2048)
  359.                mouse_dx = -2048;
  360.            else if (mouse_dx >  2048)
  361.                mouse_dx =  2048;
  362.             if (mouse_dy < -2048)
  363.                mouse_dy = -2048;
  364.            else if (mouse_dy >  2048)
  365.                 mouse_dy =  2048;
  366.                kill_fasync(&mouse_fasyncptr, SIGIO, POLL_IN);
  367. }
  368. mouse_byte_count=0;
  369. /* printk("mouse: %d, %d, %xn",mouse_x,mouse_y,buttons); */
  370. }
  371. }
  372. }
  374. static void dn_keyb_int(int irq, void *dummy, struct pt_regs *fp) {
  376. unsigned char data;
  377.    unsigned long flags;
  378.    int scn2681_ints;
  380. do {
  381. scn2681_ints=sio01.isr_imr & 3;
  382. if(scn2681_ints & 2) {
  383. data=sio01.rhra_thra;
  384. #if 0
  385. if(debug_buf_count<4096) {
  386. debug_buf[debug_buf_count++]=data;
  387. debug_buffer_updated=jiffies;
  388. if(!debug_timer_running) {
  389. debug_keyb_timer.expires=jiffies+10;
  390. add_timer(&debug_keyb_timer);
  391. debug_timer_running=1;
  392. }
  393. }
  394. else
  395. debug_buf_overrun=1;
  396. #endif
  397. if(sio01.sra_csra & 0x10) {
  398. printk("whaa overrun !n");
  399. continue;
  400. }
  402. if(kbd_mode==APOLLO_KBD_MODE_KEYB)
  403. dn_keyb_process_key_event(data);
  404. else
  405. dn_keyb_process_mouse_event(data);
  406. }
  408. if(scn2681_ints & 1) {
  409. save_flags(flags);
  410. cli();
  411. if(keyb_cmd_write!=keyb_cmd_read) {
  412. sio01.rhra_thra=keyb_cmds[keyb_cmd_read++];
  413. if(keyb_cmd_read==APOLLO_KEYB_CMD_ENTRIES)
  414. keyb_cmd_read=0;
  415. keyb_cmd_transmit=1;
  416. }
  417. else {
  418. keyb_cmd_transmit=0;
  419. sio01.BRGtest_cra=9;
  420. }
  421. restore_flags(flags);
  422. }
  423. } while(scn2681_ints) ;
  424. }
  426. void write_keyb_cmd(u_short length, u_char *cmd) {
  428.    unsigned long flags;
  430. if((keyb_cmd_write==keyb_cmd_read) && keyb_cmd_transmit)
  431. return;
  433. save_flags(flags);
  434. cli();
  435. for(;length;length--) {
  436. keyb_cmds[keyb_cmd_write++]=*(cmd++);
  437. if(keyb_cmd_write==keyb_cmd_read)
  438. return;
  439. if(keyb_cmd_write==APOLLO_KEYB_CMD_ENTRIES)
  440. keyb_cmd_write=0;
  441. }
  442. if(!keyb_cmd_transmit)  {
  443.      sio01.BRGtest_cra=5;
  444. }
  445. restore_flags(flags);
  447. }
  449. static struct busmouse apollo_mouse = {
  450.         APOLLO_MOUSE_MINOR, "apollomouse", THIS_MODULE, NULL, NULL, 7
  451. };
  453. int __init dn_keyb_init(void){
  455. /*  printk("dn_keyb_initn"); */
  457.   memcpy(key_maps[0], dnplain_map, sizeof(plain_map));
  458.   memcpy(key_maps[1], dnshift_map, sizeof(plain_map));
  459.   memcpy(key_maps[2], dnaltgr_map, sizeof(plain_map));
  460.   memcpy(key_maps[4], dnctrl_map, sizeof(plain_map));
  461.   memcpy(key_maps[5], dnshift_ctrl_map, sizeof(plain_map));
  462.   memcpy(key_maps[8], dnalt_map, sizeof(plain_map));
  463.   memcpy(key_maps[12], dnctrl_alt_map, sizeof(plain_map));
  466.   msedev=register_busmouse(&apollo_mouse);
  467.   if (msedev < 0)
  468.       printk(KERN_WARNING "Unable to install Apollo mouse driver.n");
  469.    else
  470.       printk(KERN_INFO "Apollo mouse installed.n");
  472.   /* program UpDownMode */
  474.   while(!(sio01.sra_csra & 0x4));
  475.   sio01.rhra_thra=0xff;
  477.   while(!(sio01.sra_csra & 0x4));
  478.   sio01.rhra_thra=0x1;
  480.   request_irq(1, dn_keyb_int,0,NULL,NULL);
  481.   
  482.   /* enable receive int on DUART */
  483.   sio01.isr_imr=3;
  485.   return 0;
  487. }
  489. int dn_dummy_kbdrate(struct kbd_repeat *k) {
  491.   printk("dn_dummy_kbdraten");
  493.   return 0;
  495. }