// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) STMicroelectronics SA 2015 * Authors: Hugues Fruchet <[email protected]> * Jean-Christophe Trotin <[email protected]> * for STMicroelectronics. */ #include <linux/clk.h> #include <linux/module.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> #include <linux/slab.h> #include <media/v4l2-ioctl.h> #include <media/v4l2-event.h> #include <media/videobuf2-dma-contig.h> #include "delta.h" #include "delta-debug.h" #include "delta-ipc.h" #define DELTA_NAME … #define DELTA_PREFIX … #define to_ctx(__fh) … #define to_au(__vbuf) … #define to_frame(__vbuf) … #define call_dec_op(dec, op, args...) … /* registry of available decoders */ static const struct delta_dec *delta_decoders[] = …; static inline int frame_size(u32 w, u32 h, u32 fmt) { … } static inline int frame_stride(u32 w, u32 fmt) { … } static void dump_au(struct delta_ctx *ctx, struct delta_au *au) { … } static void dump_frame(struct delta_ctx *ctx, struct delta_frame *frame) { … } static void delta_au_done(struct delta_ctx *ctx, struct delta_au *au, int err) { … } static void delta_frame_done(struct delta_ctx *ctx, struct delta_frame *frame, int err) { … } static void requeue_free_frames(struct delta_ctx *ctx) { … } static int delta_recycle(struct delta_ctx *ctx, struct delta_frame *frame) { … } static void delta_push_dts(struct delta_ctx *ctx, u64 val) { … } static void delta_pop_dts(struct delta_ctx *ctx, u64 *val) { … } static void delta_flush_dts(struct delta_ctx *ctx) { … } static inline int frame_alignment(u32 fmt) { … } static inline int estimated_au_size(u32 w, u32 h) { … } static void set_default_params(struct delta_ctx *ctx) { … } static const struct delta_dec *delta_find_decoder(struct delta_ctx *ctx, u32 streamformat, u32 pixelformat) { … } static void register_format(u32 format, u32 formats[], u32 *nb_of_formats) { … } static void register_formats(struct delta_dev *delta) { … } static void register_decoders(struct delta_dev *delta) { … } static int delta_open_decoder(struct delta_ctx *ctx, u32 streamformat, u32 pixelformat, const struct delta_dec **pdec) { … } /* * V4L2 ioctl operations */ static int delta_querycap(struct file *file, void *priv, struct v4l2_capability *cap) { … } static int delta_enum_fmt_stream(struct file *file, void *priv, struct v4l2_fmtdesc *f) { … } static int delta_enum_fmt_frame(struct file *file, void *priv, struct v4l2_fmtdesc *f) { … } static int delta_g_fmt_stream(struct file *file, void *fh, struct v4l2_format *f) { … } static int delta_g_fmt_frame(struct file *file, void *fh, struct v4l2_format *f) { … } static int delta_try_fmt_stream(struct file *file, void *priv, struct v4l2_format *f) { … } static int delta_try_fmt_frame(struct file *file, void *priv, struct v4l2_format *f) { … } static int delta_s_fmt_stream(struct file *file, void *fh, struct v4l2_format *f) { … } static int delta_s_fmt_frame(struct file *file, void *fh, struct v4l2_format *f) { … } static int delta_g_selection(struct file *file, void *fh, struct v4l2_selection *s) { … } static void delta_complete_eos(struct delta_ctx *ctx, struct delta_frame *frame) { … } static int delta_try_decoder_cmd(struct file *file, void *fh, struct v4l2_decoder_cmd *cmd) { … } static int delta_decoder_stop_cmd(struct delta_ctx *ctx, void *fh) { … } static int delta_decoder_cmd(struct file *file, void *fh, struct v4l2_decoder_cmd *cmd) { … } static int delta_subscribe_event(struct v4l2_fh *fh, const struct v4l2_event_subscription *sub) { … } /* v4l2 ioctl ops */ static const struct v4l2_ioctl_ops delta_ioctl_ops = …; /* * mem-to-mem operations */ static void delta_run_work(struct work_struct *work) { … } static void delta_device_run(void *priv) { … } static void delta_job_abort(void *priv) { … } static int delta_job_ready(void *priv) { … } /* mem-to-mem ops */ static const struct v4l2_m2m_ops delta_m2m_ops = …; /* * VB2 queue operations */ static int delta_vb2_au_queue_setup(struct vb2_queue *vq, unsigned int *num_buffers, unsigned int *num_planes, unsigned int sizes[], struct device *alloc_devs[]) { … } static int delta_vb2_au_prepare(struct vb2_buffer *vb) { … } static int delta_setup_frame(struct delta_ctx *ctx, struct delta_frame *frame) { … } /* * default implementation of get_frameinfo decoder ops * matching frame information from stream information * & with default pixel format & default alignment. */ int delta_get_frameinfo_default(struct delta_ctx *ctx, struct delta_frameinfo *frameinfo) { … } /* * default implementation of recycle decoder ops * consisting to relax the "decoded" frame state */ int delta_recycle_default(struct delta_ctx *pctx, struct delta_frame *frame) { … } static void dump_frames_status(struct delta_ctx *ctx) { … } int delta_get_free_frame(struct delta_ctx *ctx, struct delta_frame **pframe) { … } int delta_get_sync(struct delta_ctx *ctx) { … } void delta_put_autosuspend(struct delta_ctx *ctx) { … } static void delta_vb2_au_queue(struct vb2_buffer *vb) { … } static int delta_vb2_au_start_streaming(struct vb2_queue *q, unsigned int count) { … } static void delta_vb2_au_stop_streaming(struct vb2_queue *q) { … } static int delta_vb2_frame_queue_setup(struct vb2_queue *vq, unsigned int *num_buffers, unsigned int *num_planes, unsigned int sizes[], struct device *alloc_devs[]) { … } static int delta_vb2_frame_prepare(struct vb2_buffer *vb) { … } static void delta_vb2_frame_finish(struct vb2_buffer *vb) { … } static void delta_vb2_frame_queue(struct vb2_buffer *vb) { … } static void delta_vb2_frame_stop_streaming(struct vb2_queue *q) { … } /* VB2 queue ops */ static const struct vb2_ops delta_vb2_au_ops = …; static const struct vb2_ops delta_vb2_frame_ops = …; /* * V4L2 file operations */ static int queue_init(void *priv, struct vb2_queue *src_vq, struct vb2_queue *dst_vq) { … } static int delta_open(struct file *file) { … } static int delta_release(struct file *file) { … } /* V4L2 file ops */ static const struct v4l2_file_operations delta_fops = …; /* * Platform device operations */ static int delta_register_device(struct delta_dev *delta) { … } static void delta_unregister_device(struct delta_dev *delta) { … } static int delta_probe(struct platform_device *pdev) { … } static void delta_remove(struct platform_device *pdev) { … } static int delta_runtime_suspend(struct device *dev) { … } static int delta_runtime_resume(struct device *dev) { … } /* PM ops */ static const struct dev_pm_ops delta_pm_ops = …; static const struct of_device_id delta_match_types[] = …; MODULE_DEVICE_TABLE(of, delta_match_types); static struct platform_driver delta_driver = …; module_platform_driver(…) …; MODULE_LICENSE(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …;
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