162306a36Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0-or-later 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * Driver for the Conexant CX23885/7/8 PCIe bridge 462306a36Sopenharmony_ci * 562306a36Sopenharmony_ci * AV device support routines - non-input, non-vl42_subdev routines 662306a36Sopenharmony_ci * 762306a36Sopenharmony_ci * Copyright (C) 2010 Andy Walls <awalls@md.metrocast.net> 862306a36Sopenharmony_ci */ 962306a36Sopenharmony_ci 1062306a36Sopenharmony_ci#include "cx23885.h" 1162306a36Sopenharmony_ci#include "cx23885-av.h" 1262306a36Sopenharmony_ci#include "cx23885-video.h" 1362306a36Sopenharmony_ci 1462306a36Sopenharmony_civoid cx23885_av_work_handler(struct work_struct *work) 1562306a36Sopenharmony_ci{ 1662306a36Sopenharmony_ci struct cx23885_dev *dev = 1762306a36Sopenharmony_ci container_of(work, struct cx23885_dev, cx25840_work); 1862306a36Sopenharmony_ci bool handled = false; 1962306a36Sopenharmony_ci 2062306a36Sopenharmony_ci v4l2_subdev_call(dev->sd_cx25840, core, interrupt_service_routine, 2162306a36Sopenharmony_ci PCI_MSK_AV_CORE, &handled); 2262306a36Sopenharmony_ci 2362306a36Sopenharmony_ci /* Getting here with the interrupt not handled 2462306a36Sopenharmony_ci then probbaly flatiron does have pending interrupts. 2562306a36Sopenharmony_ci */ 2662306a36Sopenharmony_ci if (!handled) { 2762306a36Sopenharmony_ci /* clear left and right adc channel interrupt request flag */ 2862306a36Sopenharmony_ci cx23885_flatiron_write(dev, 0x1f, 2962306a36Sopenharmony_ci cx23885_flatiron_read(dev, 0x1f) | 0x80); 3062306a36Sopenharmony_ci cx23885_flatiron_write(dev, 0x23, 3162306a36Sopenharmony_ci cx23885_flatiron_read(dev, 0x23) | 0x80); 3262306a36Sopenharmony_ci } 3362306a36Sopenharmony_ci 3462306a36Sopenharmony_ci cx23885_irq_enable(dev, PCI_MSK_AV_CORE); 3562306a36Sopenharmony_ci} 36