static void ir_handle_key(struct bttv *btv)
{
struct bttv_ir *ir = btv->remote;
u32 gpio,data;
/* read gpio value */
gpio = bttv_gpio_read(&btv->c);
if (ir->polling) {
if (ir->last_gpio == gpio)
return;
ir->last_gpio = gpio;
}
/* extract data */
data = ir_extract_bits(gpio, ir->mask_keycode);
dprintk(KERN_INFO DEVNAME ": irq gpio=0x%x code=%d | %s%s%s\n",
gpio, data,
ir->polling ? "poll" : "irq",
(gpio & ir->mask_keydown) ? " down" : "",
(gpio & ir->mask_keyup) ? " up" : "");
if ((ir->mask_keydown && (gpio & ir->mask_keydown)) ||
(ir->mask_keyup && !(gpio & ir->mask_keyup))) {
rc_keydown_notimeout(ir->dev, data, 0);
} else {
/* HACK: Probably, ir->mask_keydown is missing
for this board */
if (btv->c.type == BTTV_BOARD_WINFAST2000)
rc_keydown_notimeout(ir->dev, data, 0);
rc_keyup(ir->dev);
}
}
static void ir_enltv_handle_key(struct bttv *btv)
{
struct bttv_ir *ir = btv->remote;
u32 gpio, data, keyup;
/* read gpio value */
gpio = bttv_gpio_read(&btv->c);
/* extract data */
data = ir_extract_bits(gpio, ir->mask_keycode);
/* Check if it is keyup */
keyup = (gpio & ir->mask_keyup) ? 1 << 31 : 0;
if ((ir->last_gpio & 0x7f) != data) {
dprintk("gpio=0x%x code=%d | %s\n",
gpio, data,
(gpio & ir->mask_keyup) ? " up" : "up/down");
rc_keydown_notimeout(ir->dev, RC_PROTO_UNKNOWN, data, 0);
if (keyup)
rc_keyup(ir->dev);
} else {
if ((ir->last_gpio & 1 << 31) == keyup)
return;
dprintk("(cnt) gpio=0x%x code=%d | %s\n",
gpio, data,
(gpio & ir->mask_keyup) ? " up" : "down");
if (keyup)
rc_keyup(ir->dev);
else
rc_keydown_notimeout(ir->dev, RC_PROTO_UNKNOWN, data,
0);
}
ir->last_gpio = data | keyup;
}