source: branches/release-1_0/platform/a2100/kbd.c @ 1726

#include "lolevel.h"
#include "platform.h"
#include "core.h"
#include "conf.h"
#include "keyboard.h"

typedef struct {
        short grp;
        short hackkey;
        long canonkey;
} KeyMap;


long kbd_new_state[3] = { 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF };
static long kbd_prev_state[3] = { 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF };
static long kbd_mod_state[3] = { 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF };

static KeyMap keymap[];
static long last_kbd_key = 0;
static int usb_power=0;
static int remote_key, remote_count;
static int shoot_counter=0;
#define DELAY_TIMEOUT 10000

#define SD_READONLY_FLAG    0x00020000 // Found @0xffe7172c, levent 0x90a
#define SD_READONLY_IDX     2
#define USB_MASK            0x00040000 // Found @0xffe71738, levent 0x902
#define USB_IDX             2

// changed for A2100IS
#define LED_PWR 0xC0220014      // A2100IS Green - power led 
#define LED_DP 0xC0220018               // A2100IS Blue - Direct Print led 
#define LED_AF 0xC022000C               // A2100IS Red - AutoFocus led 
#define DELAY 5000000

#define KEYS_MASK0 (0x00000000)
#define KEYS_MASK1 (0x1F000000)
#define KEYS_MASK2 (0xF3C) 

static KeyMap keymap[] = {
   { 1, KEY_SET             ,0x01000000 }, // Found @0xffe71624, levent 0x08 0x1010238, 8, 1,
   { 1, KEY_MENU            ,0x02000000 }, // Found @0xffe71630, levent 0x09
   { 1, KEY_DISPLAY         ,0x04000000 }, // Found @0xffe7163c, levent 0x0a 0x101023A, 0xA, 1
   { 1, KEY_PRINT           ,0x08000000 }, // Found manually
   { 1, KEY_FACE            ,0x10000000 }, // Found manually
   { 2, KEY_ZOOM_IN         ,0x00000010 }, // Found @0xffe716b4, levent 0x02
   { 2, KEY_ZOOM_OUT        ,0x00000020 }, // Found @0xffe716c0, levent 0x03 0x1010245, 3, 1
   { 2, KEY_UP              ,0x00000100 }, // Found @0xffe716e4, levent 0x04 0x1010248, 4, 1,
   { 2, KEY_DOWN            ,0x00000200 }, // Found @0xffe716f0, levent 0x05 0x1010249, 5, 1
   { 2, KEY_RIGHT           ,0x00000400 }, // Found @0xffe716fc, levent 0x07
   { 2, KEY_LEFT            ,0x00000800 }, // Found @0xffe71708, levent 0x06
   { 2, KEY_SHOOT_FULL      ,0x0000000c }, // Found @0xffe716a8, levent 0x01
   { 2, KEY_SHOOT_FULL_ONLY ,0x00000008 }, // Found @0xffe716a8, levent 0x01
   { 2, KEY_SHOOT_HALF      ,0x00000004 }, // Found @0xffe7169c, levent 0x00
   { 0, 0, 0 }
};

void kbd_fetch_data(long*);

long __attribute__((naked)) wrap_kbd_p1_f() ;

void wait_until_remote_button_is_released(void)
{
int count1;
int count2;
int tick,tick2,tick3;
int nSW;
int prev_usb_power,cur_usb_power;

 // ------ add by Masuji SUTO (start) --------------
    static int nMode;
 // ------ add by Masuji SUTO (end)   --------------

asm volatile ("STMFD SP!, {R0-R11,LR}\n"); // store R0-R11 and LR in stack

debug_led(1);
tick = get_tick_count();
tick2 = tick;
static long usb_physw[3];
if (conf.synch_enable && conf.ricoh_ca1_mode && conf.remote_enable && (!shooting_get_drive_mode()|| (shooting_get_drive_mode()==1) || ((shooting_get_drive_mode()==2) && state_shooting_progress != SHOOTING_PROGRESS_PROCESSING)))                                     
// if (conf.synch_enable && conf.ricoh_ca1_mode && conf.remote_enable)                                         // synch mode enable so wait for USB to disconnect
  {
// ------ add by Masuji SUTO (start) --------------
        nMode=0;
        usb_physw[2] = 0;                                             // makes sure USB bit is cleared.
        _kbd_read_keys_r2(usb_physw);
        if((usb_physw[2] & USB_MASK)==USB_MASK) nMode=1;
// ------ add by Masuji SUTO (end)   --------------

if(conf.ricoh_ca1_mode && conf.remote_enable)
{
        if(shooting_get_drive_mode() ==1 && state_shooting_progress == SHOOTING_PROGRESS_PROCESSING){                   //continuous-shooting mode
                if(conf.bracket_type>2){
                        if(shoot_counter<2) shutter_int=3;
                        shoot_counter--;
                        }
                else{   
                prev_usb_power=0;
                nSW = 0;
                do
                        {     
            usb_physw[2] = 0;                                             // makes sure USB bit is cleared.
           _kbd_read_keys_r2(usb_physw);
                        cur_usb_power = (usb_physw[2] & USB_MASK)==USB_MASK;
                        if(cur_usb_power){
                                if(!prev_usb_power){
                                        tick2 = get_tick_count();
                                        prev_usb_power=cur_usb_power;
                                        }
                                else{
                                        if((int)get_tick_count()-tick2>1000) {debug_led(0);}
                                        }
                                }
                        else{
                                if(prev_usb_power){
                                        tick3 = (int)get_tick_count()-tick2;
                                        if(nSW==10) {
                                                if(tick3>50) shutter_int=1;
                                                nSW=20;
                                                }
                                        if(nSW==0 && tick3>0) {
                                                if(tick3<50) {
                                                nSW=10;
                                                }
                                        else{
                                                if(tick3>1000) shutter_int=1;
                                                        nSW=20;
                                                }
                                        }
                                        prev_usb_power=cur_usb_power;
                                        }
                                }
                                                
                        if((int)get_tick_count()-tick >= DELAY_TIMEOUT) {nSW=20;shutter_int=2;}
                        }
                 while(nSW<20);
                 }
                }               //continuous-shooting mode 
        else{           // normal mode
                        shoot_counter=0;
                        if(conf.bracket_type>2){
                                shoot_counter=(conf.bracket_type-2)*2;
                                }
   do
         {     
            usb_physw[2] = 0;                                             // makes sure USB bit is cleared.
           _kbd_read_keys_r2(usb_physw);
           }
 //  while(((usb_physw[2] & USB_MASK)==USB_MASK) && ((int)get_tick_count()-tick < DELAY_TIMEOUT));
// ------ modif by Masuji SUTO (start) --------------
        while(((((usb_physw[2] & USB_MASK)!=USB_MASK) && (nMode==0)) || (((usb_physw[2] & USB_MASK)==USB_MASK) && (nMode==1))) && ((int)get_tick_count()-tick < DELAY_TIMEOUT));
// ------ modif by Masuji SUTO (end)   --------------
        }
 }

else
   {

      do
          {
            usb_physw[2] = 0;                                             // makes sure USB bit is cleared.
           _kbd_read_keys_r2(usb_physw);
             
           }
        while((usb_physw[2]&USB_MASK) &&  ((int)get_tick_count()-tick < DELAY_TIMEOUT));
    }

  }

if (conf.synch_delay_enable && conf.synch_delay_value>0)                                // if delay is switched on and greater than 0
  {
    for (count1=0;count1<conf.synch_delay_value+(conf.synch_delay_coarse_value*1000);count1++) // wait delay_value * 0.1ms
    {
      for (count2=0;count2<1400;count2++)            // delay approx. 0.1ms
        {
        }
     }
  }

debug_led(0);
asm volatile ("LDMFD SP!, {R0-R11,LR}\n"); // restore R0-R11 and LR from stack
}

static void __attribute__((noinline)) mykbd_task_proceed()
{
        while (physw_run){ 
                _SleepTask(10);

                if (wrap_kbd_p1_f() == 1){ // autorepeat ?
                        _kbd_p2_f();
                }
        }
}

// no stack manipulation needed here, since we create the task directly
void __attribute__((naked,noinline)) mykbd_task() {

     mykbd_task_proceed();

    _ExitTask();
}

long __attribute__((naked,noinline)) wrap_kbd_p1_f() {
        asm volatile(
                "STMFD   SP!, {R1-R5,LR}\n"
                "MOV     R4, #0\n"
        //      "BL      _kbd_read_keys \n"
                "BL             my_kbd_read_keys\n" // replaced temporary
                "B       _kbd_p1_f_cont\n"
        );
        return 0; // shut up the compiler
}

volatile int jogdial_stopped=0;

void kbd_fetch_data(long *dst){
    volatile long *mmio0 = (void*)0xc0220200;
    volatile long *mmio1 = (void*)0xc0220204;
    volatile long *mmio2 = (void*)0xc0220208;

    dst[0] = *mmio0;
    dst[1] = *mmio1;// | 0x7EF02000;
    dst[2] = *mmio2;// | 0xf32;
//  dst[2] = *mmio2;
}

void my_kbd_read_keys() {
        
        kbd_prev_state[0] = kbd_new_state[0];
        kbd_prev_state[1] = kbd_new_state[1];
        kbd_prev_state[2] = kbd_new_state[2];

        _kbd_pwr_on();  // i.e. kbd_pwr_on      ROM:FFC11A28                 BL      _sub_FFC30B94__PhySwGpio.c__0 ; LOCATION: PhySwGpio.c:0
        
        // _GetKbdState(kbd_new_state); //empty without it
        kbd_fetch_data(kbd_new_state);
        
        _kbd_read_keys_r2(kbd_new_state); // without this PS3 is almost empty: PS3: 0x400c
        
        if (kbd_process() == 0){
        // leave it alone... pass key strokes to the camera

                  physw_status[0] = kbd_new_state[0];
          physw_status[1] = kbd_new_state[1];
          physw_status[2] = kbd_new_state[2];

        } else {
                // override keys .. don't let them get to the camera or override them as on to trick the camera
                
                physw_status[0] = (kbd_new_state[0] & (~KEYS_MASK0)) | (kbd_mod_state[0] & KEYS_MASK0);
                physw_status[1] = (kbd_new_state[1] & (~KEYS_MASK1)) | (kbd_mod_state[1] & KEYS_MASK1);
                physw_status[2] = (kbd_new_state[2] & (~KEYS_MASK2)) | (kbd_mod_state[2] & KEYS_MASK2);

        }
        
    remote_key = (physw_status[2] & USB_MASK)==USB_MASK;
    if (remote_key)  remote_count += 1;
    else if (remote_count) {
        usb_power = remote_count;
        remote_count = 0;
    }

        if (conf.remote_enable) {
                physw_status[USB_IDX] = physw_status[USB_IDX] & ~(SD_READONLY_FLAG | USB_MASK);
        } else {
                physw_status[USB_IDX] = physw_status[USB_IDX] & ~SD_READONLY_FLAG;
        }

}

/*
void kbd_set_alt_mode_key_mask(long key)
{
        int i;
        for (i=0; keymap[i].hackkey; ++i) {
                if (keymap[i].hackkey == key) {
                        alt_mode_key_mask = keymap[i].canonkey;
                        return;
                }
        }
}
*/

void kbd_key_press(long key)
{
        int i;

        for (i=0;keymap[i].hackkey;i++){
                if (keymap[i].hackkey == key)
                {
                        kbd_mod_state[keymap[i].grp] &= ~keymap[i].canonkey;
                        return;
                }
        }
}

void kbd_key_release(long key)
{
        int i;
        for (i=0;keymap[i].hackkey;i++){
                if (keymap[i].hackkey == key){
                        kbd_mod_state[keymap[i].grp] |= keymap[i].canonkey;
                        return;
                }
        }
}

void kbd_key_release_all()
{
        kbd_mod_state[0] |= KEYS_MASK0;
        kbd_mod_state[1] |= KEYS_MASK1;
        kbd_mod_state[2] |= KEYS_MASK2;
}

long kbd_is_key_pressed(long key)
{
        int i;
        for (i=0;keymap[i].hackkey;i++){
                if (keymap[i].hackkey == key){
                        return ((kbd_new_state[keymap[i].grp] & keymap[i].canonkey) == 0) ? 1:0;
                }
        }
        return 0;
}

long kbd_is_key_clicked(long key)
{
        int i;
        for (i=0;keymap[i].hackkey;i++){
                if (keymap[i].hackkey == key){
                        return ((kbd_prev_state[keymap[i].grp] & keymap[i].canonkey) != 0) &&
                               ((kbd_new_state[keymap[i].grp] & keymap[i].canonkey) == 0);
                }
        }
        return 0;
}

long kbd_get_pressed_key()
{
        int i;
        for (i=0;keymap[i].hackkey;i++){
                if ((kbd_new_state[keymap[i].grp] & keymap[i].canonkey) == 0){
                        return keymap[i].hackkey;
                }
        }
        return 0;
}

long kbd_get_clicked_key()
{
        int i;
        for (i=0;keymap[i].hackkey;i++){
                if (((kbd_prev_state[keymap[i].grp] & keymap[i].canonkey) != 0) &&
                    ((kbd_new_state[keymap[i].grp] & keymap[i].canonkey) == 0)) {
                        return keymap[i].hackkey;
                }
        }
        return 0;
}

void kbd_reset_autoclicked_key() {
        last_kbd_key = 0;
}

long kbd_get_autoclicked_key() {
        static long last_kbd_time = 0, press_count = 0;
        register long key, t;

        key=kbd_get_clicked_key();
        if (key) {
                last_kbd_key = key;
                press_count = 0;
                last_kbd_time = get_tick_count();
                return key;
        } else {
                if (last_kbd_key && kbd_is_key_pressed(last_kbd_key)) {
                        t = get_tick_count();
                        if (t-last_kbd_time>((press_count)?175:500)) {
                                ++press_count;
                                last_kbd_time = t;
                                return last_kbd_key;
                        } else {
                                return 0;
                        }
                } else {
                        last_kbd_key = 0;
                        return 0;
                }
        }
}

int get_usb_power(int edge)
{
        int x;

        if (edge) return remote_key;
        x = usb_power;
        usb_power = 0;
        return x;
}