[PATCH] v4l: (939) Support for nebula rc5 based gpio remote

Support for Nebula rc5-based gpio remote.

Signed-off-by: Mark Weaver <mark-clist@npsl.co.uk>
Signed-off-by: Nickolay V. Shmyrev <nshmyrev@yandex.ru>
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/media/video/bttv-cards.c

@@ -2133,7 +2133,10 @@ struct tvcard bttv_tvcards[] = {
 		.tuner_addr	= ADDR_UNSET,
 		.radio_addr     = ADDR_UNSET,
 		.has_dvb        = 1,
+		.has_remote	= 1,
+		.gpiomask	= 0x1b,
 		.no_gpioirq     = 1,
+		.any_irq		= 1,
 	},
 	[BTTV_BOARD_PV143] = {
 		/* Jorge Boncompte - DTI2 <jorge@dti2.net> */
@@ -3384,6 +3387,8 @@ void __devinit bttv_init_card2(struct bttv *btv)
 		btv->has_remote=1;
 	if (!bttv_tvcards[btv->c.type].no_gpioirq)
 		btv->gpioirq=1;
+	if (bttv_tvcards[btv->c.type].any_irq)
+		btv->any_irq = 1;
 	if (bttv_tvcards[btv->c.type].audio_hook)
 		btv->audio_hook=bttv_tvcards[btv->c.type].audio_hook;
 

drivers/media/video/bttv-driver.c

@@ -3667,6 +3667,10 @@ static irqreturn_t bttv_irq(int irq, void *dev_id, struct pt_regs * regs)
 	int handled = 0;
 
 	btv=(struct bttv *)dev_id;
+
+	if (btv->any_irq)
+		handled = bttv_any_irq(&btv->c);
+
 	count=0;
 	while (1) {
 		/* get/clear interrupt status bits */

drivers/media/video/bttv-gpio.c

@@ -113,6 +113,24 @@ void bttv_gpio_irq(struct bttv_core *core)
 	}
 }
 
+int bttv_any_irq(struct bttv_core *core)
+{
+	struct bttv_sub_driver *drv;
+	struct bttv_sub_device *dev;
+	struct list_head *item;
+	int handled = 0;
+
+	list_for_each(item,&core->subs) {
+		dev = list_entry(item,struct bttv_sub_device,list);
+		drv = to_bttv_sub_drv(dev->dev.driver);
+		if (drv && drv->any_irq) {
+			if (drv->any_irq(dev))
+				handled = 1;
+		}
+	}
+	return handled;
+}
+
 /* ----------------------------------------------------------------------- */
 /* external: sub-driver register/unregister                                */
 

drivers/media/video/bttv.h

@@ -235,6 +235,7 @@ struct tvcard
 	unsigned int has_dvb:1;
 	unsigned int has_remote:1;
 	unsigned int no_gpioirq:1;
+	unsigned int any_irq:1;
 
 	/* other settings */
 	unsigned int pll;
@@ -334,6 +335,7 @@ struct bttv_sub_driver {
 	struct device_driver   drv;
 	char                   wanted[BUS_ID_SIZE];
 	void                   (*gpio_irq)(struct bttv_sub_device *sub);
+	int                    (*any_irq)(struct bttv_sub_device *sub);
 };
 #define to_bttv_sub_drv(x) container_of((x), struct bttv_sub_driver, drv)
 

drivers/media/video/bttvp.h

@@ -208,6 +208,7 @@ extern struct bus_type bttv_sub_bus_type;
 int bttv_sub_add_device(struct bttv_core *core, char *name);
 int bttv_sub_del_devices(struct bttv_core *core);
 void bttv_gpio_irq(struct bttv_core *core);
+int bttv_any_irq(struct bttv_core *core);
 
 
 /* ---------------------------------------------------------- */
@@ -273,6 +274,7 @@ struct bttv {
 	struct bttv_pll_info pll;
 	int triton1;
 	int gpioirq;
+	int any_irq;
 	int use_i2c_hw;
 
 	/* old gpio interface */