1/*
2 *  Driver for the Conexant CX23885/7/8 PCIe bridge
3 *
4 *  AV device support routines - non-input, non-vl42_subdev routines
5 *
6 *  Copyright (C) 2010  Andy Walls <awalls@md.metrocast.net>
7 *
8 *  This program is free software; you can redistribute it and/or
9 *  modify it under the terms of the GNU General Public License
10 *  as published by the Free Software Foundation; either version 2
11 *  of the License, or (at your option) any later version.
12 *
13 *  This program is distributed in the hope that it will be useful,
14 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
15 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 *  GNU General Public License for more details.
17 */
18
19#include "cx23885.h"
20#include "cx23885-av.h"
21#include "cx23885-video.h"
22
23void cx23885_av_work_handler(struct work_struct *work)
24{
25	struct cx23885_dev *dev =
26			   container_of(work, struct cx23885_dev, cx25840_work);
27	bool handled;
28
29	v4l2_subdev_call(dev->sd_cx25840, core, interrupt_service_routine,
30			 PCI_MSK_AV_CORE, &handled);
31
32	/* Getting here with the interrupt not handled
33	   then probbaly flatiron does have pending interrupts.
34	*/
35	if (!handled) {
36		/* clear left and right adc channel interrupt request flag */
37		cx23885_flatiron_write(dev, 0x1f,
38			cx23885_flatiron_read(dev, 0x1f) | 0x80);
39		cx23885_flatiron_write(dev, 0x23,
40			cx23885_flatiron_read(dev, 0x23) | 0x80);
41	}
42
43	cx23885_irq_enable(dev, PCI_MSK_AV_CORE);
44}
45