// SPDX-License-Identifier: GPL-2.0-or-later /* * Coda multi-standard codec IP * * Copyright (C) 2012 Vista Silicon S.L. * Javier Martin, <[email protected]> * Xavier Duret */ #include <linux/clk.h> #include <linux/debugfs.h> #include <linux/delay.h> #include <linux/firmware.h> #include <linux/gcd.h> #include <linux/genalloc.h> #include <linux/idr.h> #include <linux/interrupt.h> #include <linux/io.h> #include <linux/irq.h> #include <linux/kfifo.h> #include <linux/module.h> #include <linux/of.h> #include <linux/of_platform.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> #include <linux/slab.h> #include <linux/videodev2.h> #include <linux/ratelimit.h> #include <linux/reset.h> #include <media/v4l2-ctrls.h> #include <media/v4l2-device.h> #include <media/v4l2-event.h> #include <media/v4l2-ioctl.h> #include <media/v4l2-mem2mem.h> #include <media/videobuf2-v4l2.h> #include <media/videobuf2-dma-contig.h> #include <media/videobuf2-vmalloc.h> #include "coda.h" #include "imx-vdoa.h" #define CODA_NAME … #define CODADX6_MAX_INSTANCES … #define CODA_MAX_FORMATS … #define CODA_ISRAM_SIZE … #define MIN_W … #define MIN_H … #define S_ALIGN … #define W_ALIGN … #define H_ALIGN … #define fh_to_ctx(__fh) … int coda_debug; module_param(coda_debug, int, 0644); MODULE_PARM_DESC(…) …; static int disable_tiling; module_param(disable_tiling, int, 0644); MODULE_PARM_DESC(…) …; static int disable_vdoa; module_param(disable_vdoa, int, 0644); MODULE_PARM_DESC(…) …; static int enable_bwb = …; module_param(enable_bwb, int, 0644); MODULE_PARM_DESC(…) …; void coda_write(struct coda_dev *dev, u32 data, u32 reg) { … } unsigned int coda_read(struct coda_dev *dev, u32 reg) { … } void coda_write_base(struct coda_ctx *ctx, struct coda_q_data *q_data, struct vb2_v4l2_buffer *buf, unsigned int reg_y) { … } #define CODA_CODEC(mode, src_fourcc, dst_fourcc, max_w, max_h) … /* * Arrays of codecs supported by each given version of Coda: * i.MX27 -> codadx6 * i.MX51 -> codahx4 * i.MX53 -> coda7 * i.MX6 -> coda960 * Use V4L2_PIX_FMT_YUV420 as placeholder for all supported YUV 4:2:0 variants */ static const struct coda_codec codadx6_codecs[] = …; static const struct coda_codec codahx4_codecs[] = …; static const struct coda_codec coda7_codecs[] = …; static const struct coda_codec coda9_codecs[] = …; struct coda_video_device { … }; static const struct coda_video_device coda_bit_encoder = …; static const struct coda_video_device coda_bit_jpeg_encoder = …; static const struct coda_video_device coda_bit_decoder = …; static const struct coda_video_device coda_bit_jpeg_decoder = …; static const struct coda_video_device coda9_jpeg_encoder = …; static const struct coda_video_device coda9_jpeg_decoder = …; static const struct coda_video_device *codadx6_video_devices[] = …; static const struct coda_video_device *codahx4_video_devices[] = …; static const struct coda_video_device *coda7_video_devices[] = …; static const struct coda_video_device *coda9_video_devices[] = …; /* * Normalize all supported YUV 4:2:0 formats to the value used in the codec * tables. */ static u32 coda_format_normalize_yuv(u32 fourcc) { … } static const struct coda_codec *coda_find_codec(struct coda_dev *dev, int src_fourcc, int dst_fourcc) { … } static void coda_get_max_dimensions(struct coda_dev *dev, const struct coda_codec *codec, int *max_w, int *max_h) { … } static const struct coda_video_device *to_coda_video_device(struct video_device *vdev) { … } const char *coda_product_name(int product) { … } static struct vdoa_data *coda_get_vdoa_data(void) { … } /* * V4L2 ioctl() operations. */ static int coda_querycap(struct file *file, void *priv, struct v4l2_capability *cap) { … } static const u32 coda_formats_420[CODA_MAX_FORMATS] = …; static int coda_enum_fmt(struct file *file, void *priv, struct v4l2_fmtdesc *f) { … } static int coda_g_fmt(struct file *file, void *priv, struct v4l2_format *f) { … } static int coda_try_pixelformat(struct coda_ctx *ctx, struct v4l2_format *f) { … } static int coda_try_fmt_vdoa(struct coda_ctx *ctx, struct v4l2_format *f, bool *use_vdoa) { … } static unsigned int coda_estimate_sizeimage(struct coda_ctx *ctx, u32 sizeimage, u32 width, u32 height) { … } static int coda_try_fmt(struct coda_ctx *ctx, const struct coda_codec *codec, struct v4l2_format *f) { … } static int coda_try_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) { … } static void coda_set_default_colorspace(struct v4l2_pix_format *fmt) { … } static int coda_try_fmt_vid_out(struct file *file, void *priv, struct v4l2_format *f) { … } static int coda_s_fmt(struct coda_ctx *ctx, struct v4l2_format *f, struct v4l2_rect *r) { … } static int coda_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) { … } static int coda_s_fmt_vid_out(struct file *file, void *priv, struct v4l2_format *f) { … } static int coda_reqbufs(struct file *file, void *priv, struct v4l2_requestbuffers *rb) { … } static int coda_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf) { … } static int coda_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf) { … } void coda_m2m_buf_done(struct coda_ctx *ctx, struct vb2_v4l2_buffer *buf, enum vb2_buffer_state state) { … } static int coda_g_selection(struct file *file, void *fh, struct v4l2_selection *s) { … } static int coda_s_selection(struct file *file, void *fh, struct v4l2_selection *s) { … } static void coda_wake_up_capture_queue(struct coda_ctx *ctx) { … } static int coda_encoder_cmd(struct file *file, void *fh, struct v4l2_encoder_cmd *ec) { … } static bool coda_mark_last_meta(struct coda_ctx *ctx) { … } static bool coda_mark_last_dst_buf(struct coda_ctx *ctx) { … } static int coda_decoder_cmd(struct file *file, void *fh, struct v4l2_decoder_cmd *dc) { … } static int coda_enum_framesizes(struct file *file, void *fh, struct v4l2_frmsizeenum *fsize) { … } static int coda_enum_frameintervals(struct file *file, void *fh, struct v4l2_frmivalenum *f) { … } static int coda_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a) { … } /* * Approximate timeperframe v4l2_fract with values that can be written * into the 16-bit CODA_FRATE_DIV and CODA_FRATE_RES fields. */ static void coda_approximate_timeperframe(struct v4l2_fract *timeperframe) { … } static uint32_t coda_timeperframe_to_frate(struct v4l2_fract *timeperframe) { … } static int coda_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a) { … } static int coda_subscribe_event(struct v4l2_fh *fh, const struct v4l2_event_subscription *sub) { … } static const struct v4l2_ioctl_ops coda_ioctl_ops = …; /* * Mem-to-mem operations. */ static void coda_device_run(void *m2m_priv) { … } static void coda_pic_run_work(struct work_struct *work) { … } static int coda_job_ready(void *m2m_priv) { … } static void coda_job_abort(void *priv) { … } static const struct v4l2_m2m_ops coda_m2m_ops = …; static void set_default_params(struct coda_ctx *ctx) { … } /* * Queue operations */ static int coda_queue_setup(struct vb2_queue *vq, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], struct device *alloc_devs[]) { … } static int coda_buf_prepare(struct vb2_buffer *vb) { … } static void coda_update_menu_ctrl(struct v4l2_ctrl *ctrl, int value) { … } void coda_update_profile_level_ctrls(struct coda_ctx *ctx, u8 profile_idc, u8 level_idc) { … } static void coda_queue_source_change_event(struct coda_ctx *ctx) { … } static void coda_buf_queue(struct vb2_buffer *vb) { … } int coda_alloc_aux_buf(struct coda_dev *dev, struct coda_aux_buf *buf, size_t size, const char *name, struct dentry *parent) { … } void coda_free_aux_buf(struct coda_dev *dev, struct coda_aux_buf *buf) { … } static int coda_start_streaming(struct vb2_queue *q, unsigned int count) { … } static void coda_stop_streaming(struct vb2_queue *q) { … } static const struct vb2_ops coda_qops = …; static int coda_s_ctrl(struct v4l2_ctrl *ctrl) { … } static const struct v4l2_ctrl_ops coda_ctrl_ops = …; static void coda_encode_ctrls(struct coda_ctx *ctx) { … } static void coda_jpeg_encode_ctrls(struct coda_ctx *ctx) { … } static void coda_decode_ctrls(struct coda_ctx *ctx) { … } static const struct v4l2_ctrl_config coda_mb_err_cnt_ctrl_config = …; static int coda_ctrls_setup(struct coda_ctx *ctx) { … } static int coda_queue_init(struct coda_ctx *ctx, struct vb2_queue *vq) { … } int coda_encoder_queue_init(void *priv, struct vb2_queue *src_vq, struct vb2_queue *dst_vq) { … } int coda_decoder_queue_init(void *priv, struct vb2_queue *src_vq, struct vb2_queue *dst_vq) { … } /* * File operations */ static int coda_open(struct file *file) { … } static int coda_release(struct file *file) { … } static const struct v4l2_file_operations coda_fops = …; static int coda_hw_init(struct coda_dev *dev) { … } static int coda_register_device(struct coda_dev *dev, int i) { … } static void coda_copy_firmware(struct coda_dev *dev, const u8 * const buf, size_t size) { … } static void coda_fw_callback(const struct firmware *fw, void *context); static int coda_firmware_request(struct coda_dev *dev) { … } static void coda_fw_callback(const struct firmware *fw, void *context) { … } enum coda_platform { … }; static const struct coda_devtype coda_devdata[] = …; static const struct of_device_id coda_dt_ids[] = …; MODULE_DEVICE_TABLE(of, coda_dt_ids); static int coda_probe(struct platform_device *pdev) { … } static void coda_remove(struct platform_device *pdev) { … } #ifdef CONFIG_PM static int coda_runtime_resume(struct device *dev) { … } #endif static const struct dev_pm_ops coda_pm_ops = …; static struct platform_driver coda_driver = …; module_platform_driver(…) …; MODULE_LICENSE(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …;
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