1c942fddfSThomas Gleixner // SPDX-License-Identifier: GPL-2.0-or-later
2b285192aSMauro Carvalho Chehab /*
3b285192aSMauro Carvalho Chehab * Driver for the Conexant CX23885/7/8 PCIe bridge
4b285192aSMauro Carvalho Chehab *
5b285192aSMauro Carvalho Chehab * AV device support routines - non-input, non-vl42_subdev routines
6b285192aSMauro Carvalho Chehab *
7b285192aSMauro Carvalho Chehab * Copyright (C) 2010 Andy Walls <awalls@md.metrocast.net>
8b285192aSMauro Carvalho Chehab */
9b285192aSMauro Carvalho Chehab
10b285192aSMauro Carvalho Chehab #include "cx23885.h"
11ada73eeeSMauro Carvalho Chehab #include "cx23885-av.h"
125bc08e19SLuis Alves #include "cx23885-video.h"
13b285192aSMauro Carvalho Chehab
cx23885_av_work_handler(struct work_struct * work)14b285192aSMauro Carvalho Chehab void cx23885_av_work_handler(struct work_struct *work)
15b285192aSMauro Carvalho Chehab {
16b285192aSMauro Carvalho Chehab struct cx23885_dev *dev =
17b285192aSMauro Carvalho Chehab container_of(work, struct cx23885_dev, cx25840_work);
1860587bd0SDan Carpenter bool handled = false;
19b285192aSMauro Carvalho Chehab
20b285192aSMauro Carvalho Chehab v4l2_subdev_call(dev->sd_cx25840, core, interrupt_service_routine,
21b285192aSMauro Carvalho Chehab PCI_MSK_AV_CORE, &handled);
225bc08e19SLuis Alves
235bc08e19SLuis Alves /* Getting here with the interrupt not handled
245bc08e19SLuis Alves then probbaly flatiron does have pending interrupts.
255bc08e19SLuis Alves */
265bc08e19SLuis Alves if (!handled) {
275bc08e19SLuis Alves /* clear left and right adc channel interrupt request flag */
285bc08e19SLuis Alves cx23885_flatiron_write(dev, 0x1f,
295bc08e19SLuis Alves cx23885_flatiron_read(dev, 0x1f) | 0x80);
305bc08e19SLuis Alves cx23885_flatiron_write(dev, 0x23,
315bc08e19SLuis Alves cx23885_flatiron_read(dev, 0x23) | 0x80);
325bc08e19SLuis Alves }
335bc08e19SLuis Alves
34b285192aSMauro Carvalho Chehab cx23885_irq_enable(dev, PCI_MSK_AV_CORE);
35b285192aSMauro Carvalho Chehab }
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