/* must be called with priv->lock held */
static void img_ir_refresh_raw(struct img_ir_priv *priv, u32 irq_status)
{
struct img_ir_priv_raw *raw = &priv->raw;
struct rc_dev *rc_dev = priv->raw.rdev;
int multiple;
u32 ir_status;
/* find whether both rise and fall was detected */
multiple = ((irq_status & IMG_IR_IRQ_EDGE) == IMG_IR_IRQ_EDGE);
/*
* If so, we need to see if the level has actually changed.
* If it's just noise that we didn't have time to process,
* there's no point reporting it.
*/
ir_status = img_ir_read(priv, IMG_IR_STATUS) & IMG_IR_IRRXD;
if (multiple && ir_status == raw->last_status)
return;
raw->last_status = ir_status;
/* report the edge to the IR raw decoders */
if (ir_status) /* low */
ir_raw_event_store_edge(rc_dev, IR_SPACE);
else /* high */
ir_raw_event_store_edge(rc_dev, IR_PULSE);
ir_raw_event_handle(rc_dev);
}
static irqreturn_t gpio_ir_recv_irq(int irq, void *dev_id)
{
struct gpio_rc_dev *gpio_dev = dev_id;
int gval;
int rc = 0;
enum raw_event_type type = IR_SPACE;
gval = gpio_get_value_cansleep(gpio_dev->gpio_nr);
if (gval < 0)
goto err_get_value;
if (gpio_dev->active_low)
gval = !gval;
if (gval == 1)
type = IR_PULSE;
rc = ir_raw_event_store_edge(gpio_dev->rcdev, type);
if (rc < 0)
goto err_get_value;
ir_raw_event_handle(gpio_dev->rcdev);
err_get_value:
return IRQ_HANDLED;
}
static irqreturn_t gpio_ir_recv_irq(int irq, void *dev_id)
{
int val;
struct gpio_rc_dev *gpio_dev = dev_id;
val = gpiod_get_value(gpio_dev->gpiod);
if (val >= 0)
ir_raw_event_store_edge(gpio_dev->rcdev, val == 1);
return IRQ_HANDLED;
}
static int saa716x_ir_raw_decode_irq(struct saa716x_dev *saa716x)
{
struct saa716x_ir *ir = saa716x->ir;
unsigned long timeout;
int space;
/* key event */
space = SAA716x_EPRD(GPIO, GPIO_RD) & ir->mask_keyevent;
ir_raw_event_store_edge(saa716x->ir->rc, space ? IR_SPACE : IR_PULSE);
/* 15ms wait time before start processing the first event */
if (!ir->active) {
timeout = jiffies + msecs_to_jiffies(15);
mod_timer(&ir->timer, timeout);
ir->active = true;
}
return 1;
}
static irqreturn_t gpio_ir_recv_irq(int irq, void *dev_id)
{
struct gpio_rc_dev *gpio_dev = dev_id;
unsigned int gval;
int rc = 0;
enum raw_event_type type = IR_SPACE;
if (!gpio_dev->pm_qos_vote && gpio_dev->can_wakeup) {
gpio_dev->pm_qos_vote = 1;
pm_qos_update_request(&gpio_dev->pm_qos_req,
gpio_dev->gpio_irq_latency);
}
if (gpio_dev->can_sleep)
gval = gpio_get_value_cansleep(gpio_dev->gpio_nr);
else
gval = gpio_get_value(gpio_dev->gpio_nr);
if (gval < 0)
goto err_get_value;
if (gpio_dev->active_low)
gval = !gval;
if (gval == 1)
type = IR_PULSE;
rc = ir_raw_event_store_edge(gpio_dev->rcdev, type);
if (rc < 0)
goto err_get_value;
ir_raw_event_handle(gpio_dev->rcdev);
if (gpio_dev->can_wakeup)
mod_timer(&gpio_dev->gpio_ir_timer,
jiffies + msecs_to_jiffies(gpio_ir_timeout));
err_get_value:
return IRQ_HANDLED;
}
