// SPDX-License-Identifier: GPL-2.0 /* * Xilinx Test Pattern Generator * * Copyright (C) 2013-2015 Ideas on Board * Copyright (C) 2013-2015 Xilinx, Inc. * * Contacts: Hyun Kwon <[email protected]> * Laurent Pinchart <[email protected]> */ #include <linux/device.h> #include <linux/gpio/consumer.h> #include <linux/module.h> #include <linux/of.h> #include <linux/platform_device.h> #include <linux/xilinx-v4l2-controls.h> #include <media/v4l2-async.h> #include <media/v4l2-ctrls.h> #include <media/v4l2-subdev.h> #include "xilinx-vip.h" #include "xilinx-vtc.h" #define XTPG_CTRL_STATUS_SLAVE_ERROR … #define XTPG_CTRL_IRQ_SLAVE_ERROR … #define XTPG_PATTERN_CONTROL … #define XTPG_PATTERN_MASK … #define XTPG_PATTERN_CONTROL_CROSS_HAIRS … #define XTPG_PATTERN_CONTROL_MOVING_BOX … #define XTPG_PATTERN_CONTROL_COLOR_MASK_SHIFT … #define XTPG_PATTERN_CONTROL_COLOR_MASK_MASK … #define XTPG_PATTERN_CONTROL_STUCK_PIXEL … #define XTPG_PATTERN_CONTROL_NOISE … #define XTPG_PATTERN_CONTROL_MOTION … #define XTPG_MOTION_SPEED … #define XTPG_CROSS_HAIRS … #define XTPG_CROSS_HAIRS_ROW_SHIFT … #define XTPG_CROSS_HAIRS_ROW_MASK … #define XTPG_CROSS_HAIRS_COLUMN_SHIFT … #define XTPG_CROSS_HAIRS_COLUMN_MASK … #define XTPG_ZPLATE_HOR_CONTROL … #define XTPG_ZPLATE_VER_CONTROL … #define XTPG_ZPLATE_START_SHIFT … #define XTPG_ZPLATE_START_MASK … #define XTPG_ZPLATE_SPEED_SHIFT … #define XTPG_ZPLATE_SPEED_MASK … #define XTPG_BOX_SIZE … #define XTPG_BOX_COLOR … #define XTPG_STUCK_PIXEL_THRESH … #define XTPG_NOISE_GAIN … #define XTPG_BAYER_PHASE … #define XTPG_BAYER_PHASE_RGGB … #define XTPG_BAYER_PHASE_GRBG … #define XTPG_BAYER_PHASE_GBRG … #define XTPG_BAYER_PHASE_BGGR … #define XTPG_BAYER_PHASE_OFF … /* * The minimum blanking value is one clock cycle for the front porch, one clock * cycle for the sync pulse and one clock cycle for the back porch. */ #define XTPG_MIN_HBLANK … #define XTPG_MAX_HBLANK … #define XTPG_MIN_VBLANK … #define XTPG_MAX_VBLANK … /** * struct xtpg_device - Xilinx Test Pattern Generator device structure * @xvip: Xilinx Video IP device * @pads: media pads * @npads: number of pads (1 or 2) * @has_input: whether an input is connected to the sink pad * @formats: active V4L2 media bus format for each pad * @default_format: default V4L2 media bus format * @vip_format: format information corresponding to the active format * @bayer: boolean flag if TPG is set to any bayer format * @ctrl_handler: control handler * @hblank: horizontal blanking control * @vblank: vertical blanking control * @pattern: test pattern control * @streaming: is the video stream active * @vtc: video timing controller * @vtmux_gpio: video timing mux GPIO */ struct xtpg_device { … }; static inline struct xtpg_device *to_tpg(struct v4l2_subdev *subdev) { … } static u32 xtpg_get_bayer_phase(unsigned int code) { … } static void __xtpg_update_pattern_control(struct xtpg_device *xtpg, bool passthrough, bool pattern) { … } static void xtpg_update_pattern_control(struct xtpg_device *xtpg, bool passthrough, bool pattern) { … } /* ----------------------------------------------------------------------------- * V4L2 Subdevice Video Operations */ static int xtpg_s_stream(struct v4l2_subdev *subdev, int enable) { … } /* ----------------------------------------------------------------------------- * V4L2 Subdevice Pad Operations */ static struct v4l2_mbus_framefmt * __xtpg_get_pad_format(struct xtpg_device *xtpg, struct v4l2_subdev_state *sd_state, unsigned int pad, u32 which) { … } static int xtpg_get_format(struct v4l2_subdev *subdev, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *fmt) { … } static int xtpg_set_format(struct v4l2_subdev *subdev, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *fmt) { … } /* ----------------------------------------------------------------------------- * V4L2 Subdevice Operations */ static int xtpg_enum_frame_size(struct v4l2_subdev *subdev, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_frame_size_enum *fse) { … } static int xtpg_open(struct v4l2_subdev *subdev, struct v4l2_subdev_fh *fh) { … } static int xtpg_close(struct v4l2_subdev *subdev, struct v4l2_subdev_fh *fh) { … } static int xtpg_s_ctrl(struct v4l2_ctrl *ctrl) { … } static const struct v4l2_ctrl_ops xtpg_ctrl_ops = …; static const struct v4l2_subdev_core_ops xtpg_core_ops = …; static const struct v4l2_subdev_video_ops xtpg_video_ops = …; static const struct v4l2_subdev_pad_ops xtpg_pad_ops = …; static const struct v4l2_subdev_ops xtpg_ops = …; static const struct v4l2_subdev_internal_ops xtpg_internal_ops = …; /* * Control Config */ static const char *const xtpg_pattern_strings[] = …; static struct v4l2_ctrl_config xtpg_ctrls[] = …; /* ----------------------------------------------------------------------------- * Media Operations */ static const struct media_entity_operations xtpg_media_ops = …; /* ----------------------------------------------------------------------------- * Power Management */ static int __maybe_unused xtpg_pm_suspend(struct device *dev) { … } static int __maybe_unused xtpg_pm_resume(struct device *dev) { … } /* ----------------------------------------------------------------------------- * Platform Device Driver */ static int xtpg_parse_of(struct xtpg_device *xtpg) { … } static int xtpg_probe(struct platform_device *pdev) { … } static void xtpg_remove(struct platform_device *pdev) { … } static SIMPLE_DEV_PM_OPS(xtpg_pm_ops, xtpg_pm_suspend, xtpg_pm_resume); static const struct of_device_id xtpg_of_id_table[] = …; MODULE_DEVICE_TABLE(of, xtpg_of_id_table); static struct platform_driver xtpg_driver = …; module_platform_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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