platform/ixus980_sd990/kbd.c

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This source file includes following definitions.
get_usb_bit
mykbd_task
wrap_kbd_p1_f
my_kbd_read_keys
jogdial_control
kbd_fetch_data
get_jogdial_direction
   1 #include "lolevel.h"
   2 #include "platform.h"
   3 #include "keyboard.h"
   4 #include "kbd_common.h"
   5 
   6 long kbd_new_state[3] = { 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF };
   7 long kbd_prev_state[3] = { 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF };
   8 long kbd_mod_state[3] = { 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF };
   9 
  10 KeyMap keymap[] = {
  11     /* tiny bug: key order matters. see kbd_get_pressed_key()
  12      * for example
  13      */
  14         // OK, taken from sd950
  15         { 2, KEY_UP                 , 0x00000080 }, 
  16         { 2, KEY_DOWN           , 0x00000040 },
  17         { 2, KEY_LEFT           , 0x00000010 },
  18         { 2, KEY_RIGHT          , 0x00000020 },
  19         { 2, KEY_SET            , 0x00000100 },
  20         { 2, KEY_SHOOT_FULL     , 0x00000003 },
  21     { 2, KEY_SHOOT_FULL_ONLY, 0x00000002 },
  22         { 2, KEY_SHOOT_HALF     , 0x00000001 }, 
  23         { 2, KEY_ZOOM_IN        , 0x00000004 },
  24         { 2, KEY_ZOOM_OUT       , 0x00000008 },
  25         { 2, KEY_MENU           , 0x00000400 },
  26         { 2, KEY_DISPLAY        , 0x00000200 },
  27         { 2, KEY_PRINT          , 0x00000800 },
  28         { 1, KEY_PLAYBACK       , 0x80000000 },
  29         { 0, 0, 0 }
  30 };
  31 
  32 
  33 int get_usb_bit() 
  34 {
  35         long usb_physw[3];
  36         usb_physw[USB_IDX] = 0;
  37         _kbd_read_keys_r2(usb_physw);
  38         return(( usb_physw[USB_IDX] & USB_MASK)==USB_MASK) ; 
  39 }
  40 
  41 
  42 int jogdial_stopped=0;
  43 
  44 void kbd_fetch_data(long*);
  45 
  46 long __attribute__((naked)) wrap_kbd_p1_f();
  47 
  48 // no stack manipulation needed here, since we create the task directly
  49 void __attribute__((noinline))
  50 mykbd_task()
  51 {
  52     while (physw_run){ 
  53         _SleepTask(10);
  54 
  55         if (wrap_kbd_p1_f() == 1){ // autorepeat ?
  56             _kbd_p2_f();
  57         }
  58     }
  59 
  60     _ExitTask();
  61 }
  62 
  63 
  64 long __attribute__((naked,noinline)) wrap_kbd_p1_f()
  65 {
  66 
  67     asm volatile(
  68                 "STMFD   SP!, {R1-R5,LR}\n"
  69                 "MOV     R4, #0\n"
  70                 "BL      my_kbd_read_keys\n"
  71                 "B       _kbd_p1_f_cont\n"
  72     );
  73     return 0; // shut up the compiler
  74 }
  75 
  76 
  77 void my_kbd_read_keys()
  78 {
  79     _kbd_pwr_on();
  80 
  81     kbd_update_key_state();
  82 
  83     _kbd_read_keys_r2(physw_status);
  84 
  85     kbd_update_physw_bits();
  86 
  87     _kbd_pwr_off();
  88 }
  89 
  90 extern short rear_dial_position;
  91 // jog_position hack does not appear to be needed on older cams
  92 void jogdial_control(int n) {
  93     jogdial_stopped = n;
  94 }
  95 
  96 
  97 void kbd_fetch_data(long *dst)
  98 {
  99         // OK, FF84A390 GetKbdState
 100     volatile long *mmio0 = (void*)0xc0220200;
 101     volatile long *mmio1 = (void*)0xc0220204;
 102     volatile long *mmio2 = (void*)0xc0220208;
 103 
 104     dst[0] = *mmio0;
 105     dst[1] = *mmio1;
 106     dst[2] = *mmio2 & 0xffff;
 107 }
 108 
 109 static short new_jogdial = 0, old_jogdial = 0;
 110 
 111 long get_jogdial_direction(void)
 112 {
 113     old_jogdial = new_jogdial;
 114     new_jogdial = rear_dial_position;
 115 
 116     if      (old_jogdial > new_jogdial)     return JOGDIAL_RIGHT;
 117     else if (old_jogdial < new_jogdial)     return JOGDIAL_LEFT;
 118     else                                    return 0;
 119 }
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root/platform/ixus980_sd990/kbd.c

DEFINITIONS
