// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2020 NVIDIA CORPORATION. All rights reserved. */ #include <linux/bitmap.h> #include <linux/clk.h> #include <linux/delay.h> #include <linux/host1x.h> #include <linux/lcm.h> #include <linux/list.h> #include <linux/module.h> #include <linux/of.h> #include <linux/of_graph.h> #include <linux/of_platform.h> #include <linux/platform_device.h> #include <linux/regulator/consumer.h> #include <linux/pm_runtime.h> #include <linux/slab.h> #include <media/v4l2-dv-timings.h> #include <media/v4l2-event.h> #include <media/v4l2-fh.h> #include <media/v4l2-fwnode.h> #include <media/v4l2-ioctl.h> #include <media/videobuf2-dma-contig.h> #include <soc/tegra/pmc.h> #include "vi.h" #include "video.h" #define MAX_CID_CONTROLS … /** * struct tegra_vi_graph_entity - Entity in the video graph * * @asd: subdev asynchronous registration information * @entity: media entity from the corresponding V4L2 subdev * @subdev: V4L2 subdev */ struct tegra_vi_graph_entity { … }; static inline struct tegra_vi * host1x_client_to_vi(struct host1x_client *client) { … } static inline struct tegra_channel_buffer * to_tegra_channel_buffer(struct vb2_v4l2_buffer *vb) { … } static inline struct tegra_vi_graph_entity * to_tegra_vi_graph_entity(struct v4l2_async_connection *asd) { … } static int tegra_get_format_idx_by_code(struct tegra_vi *vi, unsigned int code, unsigned int offset) { … } static u32 tegra_get_format_fourcc_by_idx(struct tegra_vi *vi, unsigned int index) { … } static const struct tegra_video_format * tegra_get_format_by_fourcc(struct tegra_vi *vi, u32 fourcc) { … } /* * videobuf2 queue operations */ static int tegra_channel_queue_setup(struct vb2_queue *vq, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], struct device *alloc_devs[]) { … } static int tegra_channel_buffer_prepare(struct vb2_buffer *vb) { … } static void tegra_channel_buffer_queue(struct vb2_buffer *vb) { … } struct v4l2_subdev * tegra_channel_get_remote_csi_subdev(struct tegra_vi_channel *chan) { … } /* * Walk up the chain until the initial source (e.g. image sensor) */ struct v4l2_subdev * tegra_channel_get_remote_source_subdev(struct tegra_vi_channel *chan) { … } static int tegra_channel_enable_stream(struct tegra_vi_channel *chan) { … } static int tegra_channel_disable_stream(struct tegra_vi_channel *chan) { … } int tegra_channel_set_stream(struct tegra_vi_channel *chan, bool on) { … } void tegra_channel_release_buffers(struct tegra_vi_channel *chan, enum vb2_buffer_state state) { … } static int tegra_channel_start_streaming(struct vb2_queue *vq, u32 count) { … } static void tegra_channel_stop_streaming(struct vb2_queue *vq) { … } static const struct vb2_ops tegra_channel_queue_qops = …; /* * V4L2 ioctl operations */ static int tegra_channel_querycap(struct file *file, void *fh, struct v4l2_capability *cap) { … } static int tegra_channel_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a) { … } static int tegra_channel_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a) { … } static int tegra_channel_enum_framesizes(struct file *file, void *fh, struct v4l2_frmsizeenum *sizes) { … } static int tegra_channel_enum_frameintervals(struct file *file, void *fh, struct v4l2_frmivalenum *ivals) { … } static int tegra_channel_enum_format(struct file *file, void *fh, struct v4l2_fmtdesc *f) { … } static int tegra_channel_get_format(struct file *file, void *fh, struct v4l2_format *format) { … } static int __tegra_channel_try_format(struct tegra_vi_channel *chan, struct v4l2_pix_format *pix) { … } static int tegra_channel_try_format(struct file *file, void *fh, struct v4l2_format *format) { … } static void tegra_channel_update_gangports(struct tegra_vi_channel *chan) { … } static int tegra_channel_set_format(struct file *file, void *fh, struct v4l2_format *format) { … } static int tegra_channel_set_subdev_active_fmt(struct tegra_vi_channel *chan) { … } static int tegra_channel_subscribe_event(struct v4l2_fh *fh, const struct v4l2_event_subscription *sub) { … } static int tegra_channel_g_selection(struct file *file, void *priv, struct v4l2_selection *sel) { … } static int tegra_channel_s_selection(struct file *file, void *fh, struct v4l2_selection *sel) { … } static int tegra_channel_g_edid(struct file *file, void *fh, struct v4l2_edid *edid) { … } static int tegra_channel_s_edid(struct file *file, void *fh, struct v4l2_edid *edid) { … } static int tegra_channel_g_dv_timings(struct file *file, void *fh, struct v4l2_dv_timings *timings) { … } static int tegra_channel_s_dv_timings(struct file *file, void *fh, struct v4l2_dv_timings *timings) { … } static int tegra_channel_query_dv_timings(struct file *file, void *fh, struct v4l2_dv_timings *timings) { … } static int tegra_channel_enum_dv_timings(struct file *file, void *fh, struct v4l2_enum_dv_timings *timings) { … } static int tegra_channel_dv_timings_cap(struct file *file, void *fh, struct v4l2_dv_timings_cap *cap) { … } static int tegra_channel_log_status(struct file *file, void *fh) { … } static int tegra_channel_enum_input(struct file *file, void *fh, struct v4l2_input *inp) { … } static int tegra_channel_g_input(struct file *file, void *priv, unsigned int *i) { … } static int tegra_channel_s_input(struct file *file, void *priv, unsigned int input) { … } static const struct v4l2_ioctl_ops tegra_channel_ioctl_ops = …; /* * V4L2 file operations */ static const struct v4l2_file_operations tegra_channel_fops = …; /* * V4L2 control operations */ static int vi_s_ctrl(struct v4l2_ctrl *ctrl) { … } static const struct v4l2_ctrl_ops vi_ctrl_ops = …; #if IS_ENABLED(CONFIG_VIDEO_TEGRA_TPG) static const char *const vi_pattern_strings[] = { "Black/White Direct Mode", "Color Patch Mode", }; #else static const struct v4l2_ctrl_config syncpt_timeout_ctrl = …; #endif static int tegra_channel_setup_ctrl_handler(struct tegra_vi_channel *chan) { … } /* VI only support 2 formats in TPG mode */ static void vi_tpg_fmts_bitmap_init(struct tegra_vi_channel *chan) { … } static int vi_fmts_bitmap_init(struct tegra_vi_channel *chan) { … } static void tegra_channel_cleanup(struct tegra_vi_channel *chan) { … } void tegra_channels_cleanup(struct tegra_vi *vi) { … } static int tegra_channel_init(struct tegra_vi_channel *chan) { … } static int tegra_vi_channel_alloc(struct tegra_vi *vi, unsigned int port_num, struct device_node *node, unsigned int lanes) { … } static int tegra_vi_tpg_channels_alloc(struct tegra_vi *vi) { … } static int tegra_vi_channels_alloc(struct tegra_vi *vi) { … } static int tegra_vi_channels_init(struct tegra_vi *vi) { … } void tegra_v4l2_nodes_cleanup_tpg(struct tegra_video_device *vid) { … } int tegra_v4l2_nodes_setup_tpg(struct tegra_video_device *vid) { … } static int __maybe_unused vi_runtime_resume(struct device *dev) { … } static int __maybe_unused vi_runtime_suspend(struct device *dev) { … } /* * Find the entity matching a given fwnode in an v4l2_async_notifier list */ static struct tegra_vi_graph_entity * tegra_vi_graph_find_entity(struct list_head *list, const struct fwnode_handle *fwnode) { … } static int tegra_vi_graph_build(struct tegra_vi_channel *chan, struct tegra_vi_graph_entity *entity) { … } static int tegra_vi_graph_notify_complete(struct v4l2_async_notifier *notifier) { … } static int tegra_vi_graph_notify_bound(struct v4l2_async_notifier *notifier, struct v4l2_subdev *subdev, struct v4l2_async_connection *asd) { … } static const struct v4l2_async_notifier_operations tegra_vi_async_ops = …; static int tegra_vi_graph_parse_one(struct tegra_vi_channel *chan, struct fwnode_handle *fwnode) { … } static int tegra_vi_graph_init(struct tegra_vi *vi) { … } static void tegra_vi_graph_cleanup(struct tegra_vi *vi) { … } static int tegra_vi_init(struct host1x_client *client) { … } static int tegra_vi_exit(struct host1x_client *client) { … } static const struct host1x_client_ops vi_client_ops = …; static int tegra_vi_probe(struct platform_device *pdev) { … } static void tegra_vi_remove(struct platform_device *pdev) { … } static const struct of_device_id tegra_vi_of_id_table[] = …; MODULE_DEVICE_TABLE(of, tegra_vi_of_id_table); static const struct dev_pm_ops tegra_vi_pm_ops = …; struct platform_driver tegra_vi_driver = …;
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