/* process event data from frontcontroller. An event is
* defined as something which is _not_ initiated
* by a command _to_ the frontcontroller.
*/
static int processEvent(unsigned char* data, int count)
{
if(debug)
dump("processEvent: ", data, count);
if(count < 5)
return 0; // no enough data size
if (data[0] == 0x01 && data[1] == 0x05 && data[4] == 0xFB)
{
int key;
/* 0. claim semaphore */
down_interruptible(&receive_sem);
dprintk("command RCU complete. Added %i. item\n", receiveCount+1);
/* 1. copy data */
if (receiveCount == cMaxReceiveQueue) {
printk("FP: ERR: receive queue full!\n");
/* 2. free semaphore */
up(&receive_sem);
return 1;
}
memcpy(receive[receiveCount].buffer, data, 5);
receiveCount++;
// event subsystem passing
key = translate_fp_key(data, 5);
if(key) {
input_report_key(fp_button_dev, key, 1);
input_sync(fp_button_dev);
msleep(100);
input_report_key(fp_button_dev, key, 0);
input_sync(fp_button_dev);
//FIXME: Add delay to not report one key press ducplicated
}
/* 2. free semaphore */
up(&receive_sem);
/* 3. wake up threads */
wake_up_interruptible(&wq);
return 1;
}
return 0;
}
void scan_key(void)
{
int i, j;
u32 key_data = 0;
unsigned char key_buf[5];
memset(key_buf, 0, sizeof(key_buf));
command(0x42); /*command2 read key data to Display increment mode*/
stpio_set_pin(kfront->data, 1);
for (i = 0; i < 5; i++)
{
for (j = 0; j < 8; j++)
{
stpio_set_pin(kfront->clk, 1);
delay(1);
stpio_set_pin(kfront->clk, 0);
delay(1);
if (stpio_get_pin(kfront->data))
{
key_buf[i] |= (1 << j);
}
}
}
#if 0
for (i = 0; i < 5; i++)
{
for (j = 0; j < 8; j++)
{
dprintk("%d ", (key_buf[i] >> j) & 0x01);
}
dprintk("\n");
}
dprintk("\n");
#endif
stpio_set_pin(kfront->clk, 1);
/* parse key */
if (key_buf[0] & 0x01) /* exit */
key_data = FRONT_EXIT;
else if (key_buf[0] & 0x08) /* ok */
key_data = FRONT_OK;
else if (key_buf[1] & 0x01) /* vol+ */
key_data = FRONT_VolUp;
else if (key_buf[1] & 0x08) /* vol- */
key_data = FRONT_VolDn;
else if (key_buf[2] & 0x01) /* power */
key_data = FRONT_STBY;
else if (key_buf[2] & 0x08) /* ch- */
key_data = FRONT_PgDn;
else if (key_buf[3] & 0x01) /* menu */
key_data = FRONT_Menu;
else if (key_buf[3] & 0x08) /* ch+ */
key_data = FRONT_PgUp;
if (key_data)
{
int key;
#ifdef REPEAT_KEY_SUPPORT
#ifdef REPEAT_DEACCEL_SUPPORT
if (prev_key_data != key_data)
repeat_key_count = 0;
repeat_key_count++;
#endif
if (is_repeat_key(key_data))
{
#ifdef REPEAT_DEACCEL_SUPPORT
if (repeat_key_count > 1 && repeat_key_count <= MSEC_TO_LOOP_CNT(500))
return;
#endif
}
else
{
if (prev_key_data == key_data)
return;
}
prev_key_data = key_data;
prev_loop_count = cur_loop_count;
#endif
// event subsystem passing
key = translate_fp_key(key_data, 5);
if (key)
{
input_report_key(fp_button_dev, key, 1);
input_sync(fp_button_dev);
msleep(100);
input_report_key(fp_button_dev, key, 0);
input_sync(fp_button_dev);
//FIXME: Add delay to not report one key press ducplicated
}
DVB_RINGBUFFER_WRITE_BYTE(&ci_rbuffer, key_data);
wake_up_interruptible(&ci_rbuffer.queue);
}
else
{
#ifdef REPEAT_KEY_SUPPORT
/* delete chattering */
if ((prev_loop_count + MSEC_TO_LOOP_CNT(200)) <= cur_loop_count)
{
prev_key_data = 0;
#ifdef REPEAT_DEACCEL_SUPPORT
repeat_key_count = 0;
#endif
}
#endif
}
}
