linux-imx

// SPDX-License-Identifier: GPL-2.0-only

/*

 * adv7604 - Analog Devices ADV7604 video decoder driver

 *

 * Copyright 2012 Cisco Systems, Inc. and/or its affiliates. All rights reserved.

 *

 */

​

/*

 * References (c = chapter, p = page):

 * REF_01 - Analog devices, ADV7604, Register Settings Recommendations,

 *      Revision 2.5, June 2010

 * REF_02 - Analog devices, Register map documentation, Documentation of

 *      the register maps, Software manual, Rev. F, June 2010

 * REF_03 - Analog devices, ADV7604, Hardware Manual, Rev. F, August 2010

 */

​

#include <linux/delay.h>

#include <linux/gpio/consumer.h>

#include <linux/hdmi.h>

#include <linux/i2c.h>

#include <linux/kernel.h>

#include <linux/module.h>

#include <linux/of_graph.h>

#include <linux/slab.h>

#include <linux/v4l2-dv-timings.h>

#include <linux/videodev2.h>

#include <linux/workqueue.h>

#include <linux/regmap.h>

#include <linux/interrupt.h>

​

#include <media/i2c/adv7604.h>

#include <media/cec.h>

#include <media/v4l2-ctrls.h>

#include <media/v4l2-device.h>

#include <media/v4l2-event.h>

#include <media/v4l2-dv-timings.h>

#include <media/v4l2-fwnode.h>

​

static int debug;

module_param(debug, int, 0644);

MODULE_PARM_DESC(debug, "debug level (0-2)");

​

MODULE_DESCRIPTION("Analog Devices ADV7604 video decoder driver");

MODULE_AUTHOR("Hans Verkuil <hans.verkuil@cisco.com>");

MODULE_AUTHOR("Mats Randgaard <mats.randgaard@cisco.com>");

MODULE_LICENSE("GPL");

​

/* ADV7604 system clock frequency */

#define ADV76XX_FSC (28636360)

​

#define ADV76XX_RGB_OUT                 (1 << 1)

​

#define ADV76XX_OP_FORMAT_SEL_8BIT          (0 << 0)

#define ADV7604_OP_FORMAT_SEL_10BIT         (1 << 0)

#define ADV76XX_OP_FORMAT_SEL_12BIT         (2 << 0)

​

#define ADV76XX_OP_MODE_SEL_SDR_422         (0 << 5)

#define ADV7604_OP_MODE_SEL_DDR_422         (1 << 5)

#define ADV76XX_OP_MODE_SEL_SDR_444         (2 << 5)

#define ADV7604_OP_MODE_SEL_DDR_444         (3 << 5)

#define ADV76XX_OP_MODE_SEL_SDR_422_2X          (4 << 5)

#define ADV7604_OP_MODE_SEL_ADI_CM          (5 << 5)