drivers/media/pci/solo6x10/solo6x10-disp.c

Source file repositories/reference/linux-study-clean/drivers/media/pci/solo6x10/solo6x10-disp.c

File Facts

System
Linux kernel
Corpus path
drivers/media/pci/solo6x10/solo6x10-disp.c
Extension
.c
Size
9391 bytes
Lines
314
Domain
Driver Families
Bucket
drivers/media
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Copyright (C) 2010-2013 Bluecherry, LLC <https://www.bluecherrydvr.com>
 *
 * Original author:
 * Ben Collins <bcollins@ubuntu.com>
 *
 * Additional work by:
 * John Brooks <john.brooks@bluecherry.net>
 */

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/videodev2.h>
#include <media/v4l2-ioctl.h>

#include "solo6x10.h"

#define SOLO_VCLK_DELAY			3
#define SOLO_PROGRESSIVE_VSIZE		1024

#define SOLO_MOT_THRESH_W		64
#define SOLO_MOT_THRESH_H		64
#define SOLO_MOT_THRESH_SIZE		8192
#define SOLO_MOT_THRESH_REAL		(SOLO_MOT_THRESH_W * SOLO_MOT_THRESH_H)
#define SOLO_MOT_FLAG_SIZE		1024
#define SOLO_MOT_FLAG_AREA		(SOLO_MOT_FLAG_SIZE * 16)

static void solo_vin_config(struct solo_dev *solo_dev)
{
	solo_dev->vin_hstart = 8;
	solo_dev->vin_vstart = 2;

	solo_reg_write(solo_dev, SOLO_SYS_VCLK,
		       SOLO_VCLK_SELECT(2) |
		       SOLO_VCLK_VIN1415_DELAY(SOLO_VCLK_DELAY) |
		       SOLO_VCLK_VIN1213_DELAY(SOLO_VCLK_DELAY) |
		       SOLO_VCLK_VIN1011_DELAY(SOLO_VCLK_DELAY) |
		       SOLO_VCLK_VIN0809_DELAY(SOLO_VCLK_DELAY) |
		       SOLO_VCLK_VIN0607_DELAY(SOLO_VCLK_DELAY) |
		       SOLO_VCLK_VIN0405_DELAY(SOLO_VCLK_DELAY) |
		       SOLO_VCLK_VIN0203_DELAY(SOLO_VCLK_DELAY) |
		       SOLO_VCLK_VIN0001_DELAY(SOLO_VCLK_DELAY));

	solo_reg_write(solo_dev, SOLO_VI_ACT_I_P,
		       SOLO_VI_H_START(solo_dev->vin_hstart) |
		       SOLO_VI_V_START(solo_dev->vin_vstart) |
		       SOLO_VI_V_STOP(solo_dev->vin_vstart +
				      solo_dev->video_vsize));

	solo_reg_write(solo_dev, SOLO_VI_ACT_I_S,
		       SOLO_VI_H_START(solo_dev->vout_hstart) |
		       SOLO_VI_V_START(solo_dev->vout_vstart) |
		       SOLO_VI_V_STOP(solo_dev->vout_vstart +
				      solo_dev->video_vsize));

	solo_reg_write(solo_dev, SOLO_VI_ACT_P,
		       SOLO_VI_H_START(0) |
		       SOLO_VI_V_START(1) |
		       SOLO_VI_V_STOP(SOLO_PROGRESSIVE_VSIZE));

	solo_reg_write(solo_dev, SOLO_VI_CH_FORMAT,
		       SOLO_VI_FD_SEL_MASK(0) | SOLO_VI_PROG_MASK(0));

	/* On 6110, initialize mozaic darkness strength */
	if (solo_dev->type == SOLO_DEV_6010)
		solo_reg_write(solo_dev, SOLO_VI_FMT_CFG, 0);
	else
		solo_reg_write(solo_dev, SOLO_VI_FMT_CFG, 16 << 22);

	solo_reg_write(solo_dev, SOLO_VI_PAGE_SW, 2);

	if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) {
		solo_reg_write(solo_dev, SOLO_VI_PB_CONFIG,
			       SOLO_VI_PB_USER_MODE);
		solo_reg_write(solo_dev, SOLO_VI_PB_RANGE_HV,
			       SOLO_VI_PB_HSIZE(858) | SOLO_VI_PB_VSIZE(246));
		solo_reg_write(solo_dev, SOLO_VI_PB_ACT_V,
			       SOLO_VI_PB_VSTART(4) |
			       SOLO_VI_PB_VSTOP(4 + 240));
	} else {
		solo_reg_write(solo_dev, SOLO_VI_PB_CONFIG,
			       SOLO_VI_PB_USER_MODE | SOLO_VI_PB_PAL);
		solo_reg_write(solo_dev, SOLO_VI_PB_RANGE_HV,
			       SOLO_VI_PB_HSIZE(864) | SOLO_VI_PB_VSIZE(294));
		solo_reg_write(solo_dev, SOLO_VI_PB_ACT_V,
			       SOLO_VI_PB_VSTART(4) |
			       SOLO_VI_PB_VSTOP(4 + 288));
	}
	solo_reg_write(solo_dev, SOLO_VI_PB_ACT_H, SOLO_VI_PB_HSTART(16) |

Annotation

Implementation Notes