// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Coda multi-standard codec IP
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*
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* Copyright (C) 2012 Vista Silicon S.L.
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* Javier Martin, <javier.martin@vista-silicon.com>
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* Xavier Duret
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*/
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#include <linux/clk.h>
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#include <linux/debugfs.h>
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#include <linux/delay.h>
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#include <linux/firmware.h>
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#include <linux/gcd.h>
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#include <linux/genalloc.h>
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#include <linux/idr.h>
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#include <linux/interrupt.h>
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#include <linux/io.h>
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#include <linux/irq.h>
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#include <linux/kfifo.h>
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#include <linux/module.h>
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#include <linux/of_device.h>
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#include <linux/platform_device.h>
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#include <linux/pm_runtime.h>
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#include <linux/slab.h>
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#include <linux/videodev2.h>
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#include <linux/of.h>
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#include <linux/platform_data/media/coda.h>
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#include <linux/reset.h>
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#include <media/v4l2-ctrls.h>
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#include <media/v4l2-device.h>
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#include <media/v4l2-event.h>
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#include <media/v4l2-ioctl.h>
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#include <media/v4l2-mem2mem.h>
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#include <media/videobuf2-v4l2.h>
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#include <media/videobuf2-dma-contig.h>
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#include <media/videobuf2-vmalloc.h>
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#include "coda.h"
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#include "imx-vdoa.h"
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#define CODA_NAME "coda"
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#define CODADX6_MAX_INSTANCES 4
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#define CODA_MAX_FORMATS 4
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#define CODA_ISRAM_SIZE (2048 * 2)
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#define MIN_W 48
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#define MIN_H 16
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#define S_ALIGN 1 /* multiple of 2 */
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#define W_ALIGN 1 /* multiple of 2 */
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#define H_ALIGN 1 /* multiple of 2 */
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#define fh_to_ctx(__fh) container_of(__fh, struct coda_ctx, fh)
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int coda_debug;
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module_param(coda_debug, int, 0644);
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MODULE_PARM_DESC(coda_debug, "Debug level (0-2)");
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static int disable_tiling;
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module_param(disable_tiling, int, 0644);
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MODULE_PARM_DESC(disable_tiling, "Disable tiled frame buffers");
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static int disable_vdoa;
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module_param(disable_vdoa, int, 0644);
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MODULE_PARM_DESC(disable_vdoa, "Disable Video Data Order Adapter tiled to raster-scan conversion");
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static int enable_bwb = 0;
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module_param(enable_bwb, int, 0644);
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MODULE_PARM_DESC(enable_bwb, "Enable BWB unit for decoding, may crash on certain streams");
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void coda_write(struct coda_dev *dev, u32 data, u32 reg)
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{
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v4l2_dbg(3, coda_debug, &dev->v4l2_dev,
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"%s: data=0x%x, reg=0x%x\n", __func__, data, reg);
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writel(data, dev->regs_base + reg);
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}
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unsigned int coda_read(struct coda_dev *dev, u32 reg)
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{
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u32 data;
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data = readl(dev->regs_base + reg);
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v4l2_dbg(3, coda_debug, &dev->v4l2_dev,
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"%s: data=0x%x, reg=0x%x\n", __func__, data, reg);
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return data;
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}
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void coda_write_base(struct coda_ctx *ctx, struct coda_q_data *q_data,
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struct vb2_v4l2_buffer *buf, unsigned int reg_y)
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{
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u32 base_y = vb2_dma_contig_plane_dma_addr(&buf->vb2_buf, 0);
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u32 base_cb, base_cr;
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switch (q_data->fourcc) {
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case V4L2_PIX_FMT_YUYV:
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/* Fallthrough: IN -H264-> CODA -NV12 MB-> VDOA -YUYV-> OUT */
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case V4L2_PIX_FMT_NV12:
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case V4L2_PIX_FMT_YUV420:
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default:
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base_cb = base_y + q_data->bytesperline * q_data->height;
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base_cr = base_cb + q_data->bytesperline * q_data->height / 4;
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break;
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case V4L2_PIX_FMT_YVU420:
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/* Switch Cb and Cr for YVU420 format */
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base_cr = base_y + q_data->bytesperline * q_data->height;
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base_cb = base_cr + q_data->bytesperline * q_data->height / 4;
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break;
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case V4L2_PIX_FMT_YUV422P:
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base_cb = base_y + q_data->bytesperline * q_data->height;
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base_cr = base_cb + q_data->bytesperline * q_data->height / 2;
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}
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coda_write(ctx->dev, base_y, reg_y);
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coda_write(ctx->dev, base_cb, reg_y + 4);
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coda_write(ctx->dev, base_cr, reg_y + 8);
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}
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#define CODA_CODEC(mode, src_fourcc, dst_fourcc, max_w, max_h) \
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{ mode, src_fourcc, dst_fourcc, max_w, max_h }
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/*
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* Arrays of codecs supported by each given version of Coda:
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* i.MX27 -> codadx6
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* i.MX51 -> codahx4
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* i.MX53 -> coda7
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* i.MX6 -> coda960
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* Use V4L2_PIX_FMT_YUV420 as placeholder for all supported YUV 4:2:0 variants
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*/
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static const struct coda_codec codadx6_codecs[] = {
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CODA_CODEC(CODADX6_MODE_ENCODE_H264, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_H264, 720, 576),
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CODA_CODEC(CODADX6_MODE_ENCODE_MP4, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_MPEG4, 720, 576),
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};
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static const struct coda_codec codahx4_codecs[] = {
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CODA_CODEC(CODA7_MODE_ENCODE_H264, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_H264, 720, 576),
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CODA_CODEC(CODA7_MODE_DECODE_H264, V4L2_PIX_FMT_H264, V4L2_PIX_FMT_YUV420, 1920, 1088),
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CODA_CODEC(CODA7_MODE_DECODE_MP2, V4L2_PIX_FMT_MPEG2, V4L2_PIX_FMT_YUV420, 1920, 1088),
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CODA_CODEC(CODA7_MODE_DECODE_MP4, V4L2_PIX_FMT_MPEG4, V4L2_PIX_FMT_YUV420, 1280, 720),
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};
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static const struct coda_codec coda7_codecs[] = {
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CODA_CODEC(CODA7_MODE_ENCODE_H264, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_H264, 1280, 720),
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CODA_CODEC(CODA7_MODE_ENCODE_MP4, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_MPEG4, 1280, 720),
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CODA_CODEC(CODA7_MODE_ENCODE_MJPG, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_JPEG, 8192, 8192),
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CODA_CODEC(CODA7_MODE_DECODE_H264, V4L2_PIX_FMT_H264, V4L2_PIX_FMT_YUV420, 1920, 1088),
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CODA_CODEC(CODA7_MODE_DECODE_MP2, V4L2_PIX_FMT_MPEG2, V4L2_PIX_FMT_YUV420, 1920, 1088),
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CODA_CODEC(CODA7_MODE_DECODE_MP4, V4L2_PIX_FMT_MPEG4, V4L2_PIX_FMT_YUV420, 1920, 1088),
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CODA_CODEC(CODA7_MODE_DECODE_MJPG, V4L2_PIX_FMT_JPEG, V4L2_PIX_FMT_YUV420, 8192, 8192),
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};
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static const struct coda_codec coda9_codecs[] = {
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CODA_CODEC(CODA9_MODE_ENCODE_H264, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_H264, 1920, 1088),
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CODA_CODEC(CODA9_MODE_ENCODE_MP4, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_MPEG4, 1920, 1088),
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CODA_CODEC(CODA9_MODE_ENCODE_MJPG, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_JPEG, 8192, 8192),
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CODA_CODEC(CODA9_MODE_DECODE_H264, V4L2_PIX_FMT_H264, V4L2_PIX_FMT_YUV420, 1920, 1088),
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CODA_CODEC(CODA9_MODE_DECODE_MP2, V4L2_PIX_FMT_MPEG2, V4L2_PIX_FMT_YUV420, 1920, 1088),
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CODA_CODEC(CODA9_MODE_DECODE_MP4, V4L2_PIX_FMT_MPEG4, V4L2_PIX_FMT_YUV420, 1920, 1088),
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CODA_CODEC(CODA9_MODE_DECODE_MJPG, V4L2_PIX_FMT_JPEG, V4L2_PIX_FMT_YUV420, 8192, 8192),
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};
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struct coda_video_device {
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const char *name;
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enum coda_inst_type type;
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const struct coda_context_ops *ops;
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bool direct;
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u32 src_formats[CODA_MAX_FORMATS];
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u32 dst_formats[CODA_MAX_FORMATS];
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};
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static const struct coda_video_device coda_bit_encoder = {
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.name = "coda-encoder",
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.type = CODA_INST_ENCODER,
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.ops = &coda_bit_encode_ops,
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.src_formats = {
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V4L2_PIX_FMT_NV12,
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V4L2_PIX_FMT_YUV420,
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V4L2_PIX_FMT_YVU420,
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},
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.dst_formats = {
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V4L2_PIX_FMT_H264,
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V4L2_PIX_FMT_MPEG4,
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},
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};
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static const struct coda_video_device coda_bit_jpeg_encoder = {
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.name = "coda-jpeg-encoder",
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.type = CODA_INST_ENCODER,
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.ops = &coda_bit_encode_ops,
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.src_formats = {
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V4L2_PIX_FMT_NV12,
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V4L2_PIX_FMT_YUV420,
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V4L2_PIX_FMT_YVU420,
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V4L2_PIX_FMT_YUV422P,
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},
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.dst_formats = {
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V4L2_PIX_FMT_JPEG,
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},
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};
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static const struct coda_video_device coda_bit_decoder = {
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.name = "coda-decoder",
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.type = CODA_INST_DECODER,
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.ops = &coda_bit_decode_ops,
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.src_formats = {
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V4L2_PIX_FMT_H264,
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V4L2_PIX_FMT_MPEG2,
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V4L2_PIX_FMT_MPEG4,
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},
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.dst_formats = {
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V4L2_PIX_FMT_NV12,
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V4L2_PIX_FMT_YUV420,
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V4L2_PIX_FMT_YVU420,
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/*
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* If V4L2_PIX_FMT_YUYV should be default,
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* set_default_params() must be adjusted.
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*/
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V4L2_PIX_FMT_YUYV,
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},
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};
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static const struct coda_video_device coda_bit_jpeg_decoder = {
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.name = "coda-jpeg-decoder",
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.type = CODA_INST_DECODER,
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.ops = &coda_bit_decode_ops,
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.src_formats = {
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V4L2_PIX_FMT_JPEG,
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},
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.dst_formats = {
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V4L2_PIX_FMT_NV12,
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V4L2_PIX_FMT_YUV420,
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V4L2_PIX_FMT_YVU420,
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V4L2_PIX_FMT_YUV422P,
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},
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};
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static const struct coda_video_device coda9_jpeg_encoder = {
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.name = "coda-jpeg-encoder",
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.type = CODA_INST_ENCODER,
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.ops = &coda9_jpeg_encode_ops,
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.direct = true,
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.src_formats = {
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V4L2_PIX_FMT_NV12,
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V4L2_PIX_FMT_YUV420,
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V4L2_PIX_FMT_YVU420,
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V4L2_PIX_FMT_YUV422P,
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},
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.dst_formats = {
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V4L2_PIX_FMT_JPEG,
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},
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};
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static const struct coda_video_device coda9_jpeg_decoder = {
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.name = "coda-jpeg-decoder",
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.type = CODA_INST_DECODER,
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.ops = &coda9_jpeg_decode_ops,
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.direct = true,
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.src_formats = {
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V4L2_PIX_FMT_JPEG,
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},
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.dst_formats = {
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V4L2_PIX_FMT_NV12,
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V4L2_PIX_FMT_YUV420,
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V4L2_PIX_FMT_YVU420,
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V4L2_PIX_FMT_YUV422P,
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},
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};
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static const struct coda_video_device *codadx6_video_devices[] = {
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&coda_bit_encoder,
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};
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static const struct coda_video_device *codahx4_video_devices[] = {
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&coda_bit_encoder,
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&coda_bit_decoder,
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};
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static const struct coda_video_device *coda7_video_devices[] = {
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&coda_bit_jpeg_encoder,
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&coda_bit_jpeg_decoder,
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&coda_bit_encoder,
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&coda_bit_decoder,
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};
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static const struct coda_video_device *coda9_video_devices[] = {
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&coda9_jpeg_encoder,
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&coda9_jpeg_decoder,
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&coda_bit_encoder,
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&coda_bit_decoder,
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};
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/*
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* Normalize all supported YUV 4:2:0 formats to the value used in the codec
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* tables.
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*/
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static u32 coda_format_normalize_yuv(u32 fourcc)
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{
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switch (fourcc) {
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case V4L2_PIX_FMT_NV12:
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case V4L2_PIX_FMT_YUV420:
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case V4L2_PIX_FMT_YVU420:
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case V4L2_PIX_FMT_YUV422P:
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case V4L2_PIX_FMT_YUYV:
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return V4L2_PIX_FMT_YUV420;
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default:
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return fourcc;
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}
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}
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static const struct coda_codec *coda_find_codec(struct coda_dev *dev,
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int src_fourcc, int dst_fourcc)
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{
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const struct coda_codec *codecs = dev->devtype->codecs;
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int num_codecs = dev->devtype->num_codecs;
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int k;
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src_fourcc = coda_format_normalize_yuv(src_fourcc);
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dst_fourcc = coda_format_normalize_yuv(dst_fourcc);
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if (src_fourcc == dst_fourcc)
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return NULL;
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for (k = 0; k < num_codecs; k++) {
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if (codecs[k].src_fourcc == src_fourcc &&
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codecs[k].dst_fourcc == dst_fourcc)
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break;
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}
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if (k == num_codecs)
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return NULL;
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return &codecs[k];
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}
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static void coda_get_max_dimensions(struct coda_dev *dev,
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const struct coda_codec *codec,
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int *max_w, int *max_h)
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{
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const struct coda_codec *codecs = dev->devtype->codecs;
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int num_codecs = dev->devtype->num_codecs;
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unsigned int w, h;
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int k;
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if (codec) {
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w = codec->max_w;
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h = codec->max_h;
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} else {
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for (k = 0, w = 0, h = 0; k < num_codecs; k++) {
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w = max(w, codecs[k].max_w);
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h = max(h, codecs[k].max_h);
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}
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}
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if (max_w)
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*max_w = w;
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if (max_h)
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*max_h = h;
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}
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static const struct coda_video_device *to_coda_video_device(struct video_device
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*vdev)
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{
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struct coda_dev *dev = video_get_drvdata(vdev);
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unsigned int i = vdev - dev->vfd;
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if (i >= dev->devtype->num_vdevs)
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return NULL;
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return dev->devtype->vdevs[i];
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}
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const char *coda_product_name(int product)
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{
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static char buf[9];
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switch (product) {
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case CODA_DX6:
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return "CodaDx6";
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case CODA_HX4:
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return "CodaHx4";
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case CODA_7541:
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return "CODA7541";
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case CODA_960:
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return "CODA960";
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default:
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snprintf(buf, sizeof(buf), "(0x%04x)", product);
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return buf;
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}
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}
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static struct vdoa_data *coda_get_vdoa_data(void)
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{
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struct device_node *vdoa_node;
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struct platform_device *vdoa_pdev;
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struct vdoa_data *vdoa_data = NULL;
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vdoa_node = of_find_compatible_node(NULL, NULL, "fsl,imx6q-vdoa");
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if (!vdoa_node)
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return NULL;
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vdoa_pdev = of_find_device_by_node(vdoa_node);
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if (!vdoa_pdev)
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goto out;
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vdoa_data = platform_get_drvdata(vdoa_pdev);
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if (!vdoa_data)
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vdoa_data = ERR_PTR(-EPROBE_DEFER);
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put_device(&vdoa_pdev->dev);
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out:
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of_node_put(vdoa_node);
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return vdoa_data;
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}
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/*
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* V4L2 ioctl() operations.
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*/
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static int coda_querycap(struct file *file, void *priv,
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struct v4l2_capability *cap)
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{
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struct coda_ctx *ctx = fh_to_ctx(priv);
|
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strscpy(cap->driver, CODA_NAME, sizeof(cap->driver));
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strscpy(cap->card, coda_product_name(ctx->dev->devtype->product),
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sizeof(cap->card));
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strscpy(cap->bus_info, "platform:" CODA_NAME, sizeof(cap->bus_info));
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return 0;
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}
|
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static const u32 coda_formats_420[CODA_MAX_FORMATS] = {
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V4L2_PIX_FMT_NV12,
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V4L2_PIX_FMT_YUV420,
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V4L2_PIX_FMT_YVU420,
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};
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static int coda_enum_fmt(struct file *file, void *priv,
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struct v4l2_fmtdesc *f)
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{
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struct video_device *vdev = video_devdata(file);
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const struct coda_video_device *cvd = to_coda_video_device(vdev);
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struct coda_ctx *ctx = fh_to_ctx(priv);
|
const u32 *formats;
|
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if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
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formats = cvd->src_formats;
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else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
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struct coda_q_data *q_data_src;
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struct vb2_queue *src_vq;
|
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formats = cvd->dst_formats;
|
|
/*
|
* If the source format is already fixed, only allow the same
|
* chroma subsampling.
|
*/
|
q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
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src_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx,
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V4L2_BUF_TYPE_VIDEO_OUTPUT);
|
if (q_data_src->fourcc == V4L2_PIX_FMT_JPEG &&
|
vb2_is_streaming(src_vq)) {
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if (ctx->params.jpeg_chroma_subsampling ==
|
V4L2_JPEG_CHROMA_SUBSAMPLING_420) {
|
formats = coda_formats_420;
|
} else if (ctx->params.jpeg_chroma_subsampling ==
|
V4L2_JPEG_CHROMA_SUBSAMPLING_422) {
|
f->pixelformat = V4L2_PIX_FMT_YUV422P;
|
return f->index ? -EINVAL : 0;
|
}
|
}
|
} else {
|
return -EINVAL;
|
}
|
|
if (f->index >= CODA_MAX_FORMATS || formats[f->index] == 0)
|
return -EINVAL;
|
|
/* Skip YUYV if the vdoa is not available */
|
if (!ctx->vdoa && f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE &&
|
formats[f->index] == V4L2_PIX_FMT_YUYV)
|
return -EINVAL;
|
|
f->pixelformat = formats[f->index];
|
|
return 0;
|
}
|
|
static int coda_g_fmt(struct file *file, void *priv,
|
struct v4l2_format *f)
|
{
|
struct coda_q_data *q_data;
|
struct coda_ctx *ctx = fh_to_ctx(priv);
|
|
q_data = get_q_data(ctx, f->type);
|
if (!q_data)
|
return -EINVAL;
|
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f->fmt.pix.field = V4L2_FIELD_NONE;
|
f->fmt.pix.pixelformat = q_data->fourcc;
|
f->fmt.pix.width = q_data->width;
|
f->fmt.pix.height = q_data->height;
|
f->fmt.pix.bytesperline = q_data->bytesperline;
|
|
f->fmt.pix.sizeimage = q_data->sizeimage;
|
f->fmt.pix.colorspace = ctx->colorspace;
|
f->fmt.pix.xfer_func = ctx->xfer_func;
|
f->fmt.pix.ycbcr_enc = ctx->ycbcr_enc;
|
f->fmt.pix.quantization = ctx->quantization;
|
|
return 0;
|
}
|
|
static int coda_try_pixelformat(struct coda_ctx *ctx, struct v4l2_format *f)
|
{
|
struct coda_q_data *q_data;
|
const u32 *formats;
|
int i;
|
|
if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
|
formats = ctx->cvd->src_formats;
|
else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
|
formats = ctx->cvd->dst_formats;
|
else
|
return -EINVAL;
|
|
for (i = 0; i < CODA_MAX_FORMATS; i++) {
|
/* Skip YUYV if the vdoa is not available */
|
if (!ctx->vdoa && f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE &&
|
formats[i] == V4L2_PIX_FMT_YUYV)
|
continue;
|
|
if (formats[i] == f->fmt.pix.pixelformat) {
|
f->fmt.pix.pixelformat = formats[i];
|
return 0;
|
}
|
}
|
|
/* Fall back to currently set pixelformat */
|
q_data = get_q_data(ctx, f->type);
|
f->fmt.pix.pixelformat = q_data->fourcc;
|
|
return 0;
|
}
|
|
static int coda_try_fmt_vdoa(struct coda_ctx *ctx, struct v4l2_format *f,
|
bool *use_vdoa)
|
{
|
int err;
|
|
if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
|
return -EINVAL;
|
|
if (!use_vdoa)
|
return -EINVAL;
|
|
if (!ctx->vdoa) {
|
*use_vdoa = false;
|
return 0;
|
}
|
|
err = vdoa_context_configure(NULL, round_up(f->fmt.pix.width, 16),
|
f->fmt.pix.height, f->fmt.pix.pixelformat);
|
if (err) {
|
*use_vdoa = false;
|
return 0;
|
}
|
|
*use_vdoa = true;
|
return 0;
|
}
|
|
static unsigned int coda_estimate_sizeimage(struct coda_ctx *ctx, u32 sizeimage,
|
u32 width, u32 height)
|
{
|
/*
|
* This is a rough estimate for sensible compressed buffer
|
* sizes (between 1 and 16 bits per pixel). This could be
|
* improved by better format specific worst case estimates.
|
*/
|
return round_up(clamp(sizeimage, width * height / 8,
|
width * height * 2), PAGE_SIZE);
|
}
|
|
static int coda_try_fmt(struct coda_ctx *ctx, const struct coda_codec *codec,
|
struct v4l2_format *f)
|
{
|
struct coda_dev *dev = ctx->dev;
|
unsigned int max_w, max_h;
|
enum v4l2_field field;
|
|
field = f->fmt.pix.field;
|
if (field == V4L2_FIELD_ANY)
|
field = V4L2_FIELD_NONE;
|
else if (V4L2_FIELD_NONE != field)
|
return -EINVAL;
|
|
/* V4L2 specification suggests the driver corrects the format struct
|
* if any of the dimensions is unsupported */
|
f->fmt.pix.field = field;
|
|
coda_get_max_dimensions(dev, codec, &max_w, &max_h);
|
v4l_bound_align_image(&f->fmt.pix.width, MIN_W, max_w, W_ALIGN,
|
&f->fmt.pix.height, MIN_H, max_h, H_ALIGN,
|
S_ALIGN);
|
|
switch (f->fmt.pix.pixelformat) {
|
case V4L2_PIX_FMT_NV12:
|
case V4L2_PIX_FMT_YUV420:
|
case V4L2_PIX_FMT_YVU420:
|
/*
|
* Frame stride must be at least multiple of 8,
|
* but multiple of 16 for h.264 or JPEG 4:2:x
|
*/
|
f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16);
|
f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
|
f->fmt.pix.height * 3 / 2;
|
break;
|
case V4L2_PIX_FMT_YUYV:
|
f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16) * 2;
|
f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
|
f->fmt.pix.height;
|
break;
|
case V4L2_PIX_FMT_YUV422P:
|
f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16);
|
f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
|
f->fmt.pix.height * 2;
|
break;
|
case V4L2_PIX_FMT_JPEG:
|
case V4L2_PIX_FMT_H264:
|
case V4L2_PIX_FMT_MPEG4:
|
case V4L2_PIX_FMT_MPEG2:
|
f->fmt.pix.bytesperline = 0;
|
f->fmt.pix.sizeimage = coda_estimate_sizeimage(ctx,
|
f->fmt.pix.sizeimage,
|
f->fmt.pix.width,
|
f->fmt.pix.height);
|
break;
|
default:
|
BUG();
|
}
|
|
return 0;
|
}
|
|
static int coda_try_fmt_vid_cap(struct file *file, void *priv,
|
struct v4l2_format *f)
|
{
|
struct coda_ctx *ctx = fh_to_ctx(priv);
|
const struct coda_q_data *q_data_src;
|
const struct coda_codec *codec;
|
struct vb2_queue *src_vq;
|
int ret;
|
bool use_vdoa;
|
|
ret = coda_try_pixelformat(ctx, f);
|
if (ret < 0)
|
return ret;
|
|
q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
|
|
/*
|
* If the source format is already fixed, only allow the same output
|
* resolution. When decoding JPEG images, we also have to make sure to
|
* use the same chroma subsampling.
|
*/
|
src_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
|
if (vb2_is_streaming(src_vq)) {
|
f->fmt.pix.width = q_data_src->width;
|
f->fmt.pix.height = q_data_src->height;
|
|
if (q_data_src->fourcc == V4L2_PIX_FMT_JPEG) {
|
if (ctx->params.jpeg_chroma_subsampling ==
|
V4L2_JPEG_CHROMA_SUBSAMPLING_420 &&
|
f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUV422P)
|
f->fmt.pix.pixelformat = V4L2_PIX_FMT_NV12;
|
else if (ctx->params.jpeg_chroma_subsampling ==
|
V4L2_JPEG_CHROMA_SUBSAMPLING_422)
|
f->fmt.pix.pixelformat = V4L2_PIX_FMT_YUV422P;
|
}
|
}
|
|
f->fmt.pix.colorspace = ctx->colorspace;
|
f->fmt.pix.xfer_func = ctx->xfer_func;
|
f->fmt.pix.ycbcr_enc = ctx->ycbcr_enc;
|
f->fmt.pix.quantization = ctx->quantization;
|
|
q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
|
codec = coda_find_codec(ctx->dev, q_data_src->fourcc,
|
f->fmt.pix.pixelformat);
|
if (!codec)
|
return -EINVAL;
|
|
ret = coda_try_fmt(ctx, codec, f);
|
if (ret < 0)
|
return ret;
|
|
/* The decoders always write complete macroblocks or MCUs */
|
if (ctx->inst_type == CODA_INST_DECODER) {
|
f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16);
|
f->fmt.pix.height = round_up(f->fmt.pix.height, 16);
|
if (codec->src_fourcc == V4L2_PIX_FMT_JPEG &&
|
f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUV422P) {
|
f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
|
f->fmt.pix.height * 2;
|
} else {
|
f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
|
f->fmt.pix.height * 3 / 2;
|
}
|
|
ret = coda_try_fmt_vdoa(ctx, f, &use_vdoa);
|
if (ret < 0)
|
return ret;
|
|
if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV) {
|
if (!use_vdoa)
|
return -EINVAL;
|
|
f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16) * 2;
|
f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
|
f->fmt.pix.height;
|
}
|
}
|
|
return 0;
|
}
|
|
static void coda_set_default_colorspace(struct v4l2_pix_format *fmt)
|
{
|
enum v4l2_colorspace colorspace;
|
|
if (fmt->pixelformat == V4L2_PIX_FMT_JPEG)
|
colorspace = V4L2_COLORSPACE_JPEG;
|
else if (fmt->width <= 720 && fmt->height <= 576)
|
colorspace = V4L2_COLORSPACE_SMPTE170M;
|
else
|
colorspace = V4L2_COLORSPACE_REC709;
|
|
fmt->colorspace = colorspace;
|
fmt->xfer_func = V4L2_XFER_FUNC_DEFAULT;
|
fmt->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
|
fmt->quantization = V4L2_QUANTIZATION_DEFAULT;
|
}
|
|
static int coda_try_fmt_vid_out(struct file *file, void *priv,
|
struct v4l2_format *f)
|
{
|
struct coda_ctx *ctx = fh_to_ctx(priv);
|
struct coda_dev *dev = ctx->dev;
|
const struct coda_q_data *q_data_dst;
|
const struct coda_codec *codec;
|
int ret;
|
|
ret = coda_try_pixelformat(ctx, f);
|
if (ret < 0)
|
return ret;
|
|
if (f->fmt.pix.colorspace == V4L2_COLORSPACE_DEFAULT)
|
coda_set_default_colorspace(&f->fmt.pix);
|
|
q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
|
codec = coda_find_codec(dev, f->fmt.pix.pixelformat, q_data_dst->fourcc);
|
|
return coda_try_fmt(ctx, codec, f);
|
}
|
|
static int coda_s_fmt(struct coda_ctx *ctx, struct v4l2_format *f,
|
struct v4l2_rect *r)
|
{
|
struct coda_q_data *q_data;
|
struct vb2_queue *vq;
|
|
vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type);
|
if (!vq)
|
return -EINVAL;
|
|
q_data = get_q_data(ctx, f->type);
|
if (!q_data)
|
return -EINVAL;
|
|
if (vb2_is_busy(vq)) {
|
v4l2_err(&ctx->dev->v4l2_dev, "%s: %s queue busy: %d\n",
|
__func__, v4l2_type_names[f->type], vq->num_buffers);
|
return -EBUSY;
|
}
|
|
q_data->fourcc = f->fmt.pix.pixelformat;
|
q_data->width = f->fmt.pix.width;
|
q_data->height = f->fmt.pix.height;
|
q_data->bytesperline = f->fmt.pix.bytesperline;
|
q_data->sizeimage = f->fmt.pix.sizeimage;
|
if (r) {
|
q_data->rect = *r;
|
} else {
|
q_data->rect.left = 0;
|
q_data->rect.top = 0;
|
q_data->rect.width = f->fmt.pix.width;
|
q_data->rect.height = f->fmt.pix.height;
|
}
|
|
switch (f->fmt.pix.pixelformat) {
|
case V4L2_PIX_FMT_YUYV:
|
ctx->tiled_map_type = GDI_TILED_FRAME_MB_RASTER_MAP;
|
break;
|
case V4L2_PIX_FMT_NV12:
|
if (!disable_tiling && ctx->use_bit &&
|
ctx->dev->devtype->product == CODA_960) {
|
ctx->tiled_map_type = GDI_TILED_FRAME_MB_RASTER_MAP;
|
break;
|
}
|
fallthrough;
|
case V4L2_PIX_FMT_YUV420:
|
case V4L2_PIX_FMT_YVU420:
|
case V4L2_PIX_FMT_YUV422P:
|
ctx->tiled_map_type = GDI_LINEAR_FRAME_MAP;
|
break;
|
default:
|
break;
|
}
|
|
if (ctx->tiled_map_type == GDI_TILED_FRAME_MB_RASTER_MAP &&
|
!coda_try_fmt_vdoa(ctx, f, &ctx->use_vdoa) &&
|
ctx->use_vdoa)
|
vdoa_context_configure(ctx->vdoa,
|
round_up(f->fmt.pix.width, 16),
|
f->fmt.pix.height,
|
f->fmt.pix.pixelformat);
|
else
|
ctx->use_vdoa = false;
|
|
coda_dbg(1, ctx, "Setting %s format, wxh: %dx%d, fmt: %4.4s %c\n",
|
v4l2_type_names[f->type], q_data->width, q_data->height,
|
(char *)&q_data->fourcc,
|
(ctx->tiled_map_type == GDI_LINEAR_FRAME_MAP) ? 'L' : 'T');
|
|
return 0;
|
}
|
|
static int coda_s_fmt_vid_cap(struct file *file, void *priv,
|
struct v4l2_format *f)
|
{
|
struct coda_ctx *ctx = fh_to_ctx(priv);
|
struct coda_q_data *q_data_src;
|
const struct coda_codec *codec;
|
struct v4l2_rect r;
|
int ret;
|
|
ret = coda_try_fmt_vid_cap(file, priv, f);
|
if (ret)
|
return ret;
|
|
q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
|
r.left = 0;
|
r.top = 0;
|
r.width = q_data_src->width;
|
r.height = q_data_src->height;
|
|
ret = coda_s_fmt(ctx, f, &r);
|
if (ret)
|
return ret;
|
|
if (ctx->inst_type != CODA_INST_ENCODER)
|
return 0;
|
|
/* Setting the coded format determines the selected codec */
|
codec = coda_find_codec(ctx->dev, q_data_src->fourcc,
|
f->fmt.pix.pixelformat);
|
if (!codec) {
|
v4l2_err(&ctx->dev->v4l2_dev, "failed to determine codec\n");
|
return -EINVAL;
|
}
|
ctx->codec = codec;
|
|
ctx->colorspace = f->fmt.pix.colorspace;
|
ctx->xfer_func = f->fmt.pix.xfer_func;
|
ctx->ycbcr_enc = f->fmt.pix.ycbcr_enc;
|
ctx->quantization = f->fmt.pix.quantization;
|
|
return 0;
|
}
|
|
static int coda_s_fmt_vid_out(struct file *file, void *priv,
|
struct v4l2_format *f)
|
{
|
struct coda_ctx *ctx = fh_to_ctx(priv);
|
const struct coda_codec *codec;
|
struct v4l2_format f_cap;
|
struct vb2_queue *dst_vq;
|
int ret;
|
|
ret = coda_try_fmt_vid_out(file, priv, f);
|
if (ret)
|
return ret;
|
|
ret = coda_s_fmt(ctx, f, NULL);
|
if (ret)
|
return ret;
|
|
ctx->colorspace = f->fmt.pix.colorspace;
|
ctx->xfer_func = f->fmt.pix.xfer_func;
|
ctx->ycbcr_enc = f->fmt.pix.ycbcr_enc;
|
ctx->quantization = f->fmt.pix.quantization;
|
|
if (ctx->inst_type != CODA_INST_DECODER)
|
return 0;
|
|
/* Setting the coded format determines the selected codec */
|
codec = coda_find_codec(ctx->dev, f->fmt.pix.pixelformat,
|
V4L2_PIX_FMT_YUV420);
|
if (!codec) {
|
v4l2_err(&ctx->dev->v4l2_dev, "failed to determine codec\n");
|
return -EINVAL;
|
}
|
ctx->codec = codec;
|
|
dst_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
|
if (!dst_vq)
|
return -EINVAL;
|
|
/*
|
* Setting the capture queue format is not possible while the capture
|
* queue is still busy. This is not an error, but the user will have to
|
* make sure themselves that the capture format is set correctly before
|
* starting the output queue again.
|
*/
|
if (vb2_is_busy(dst_vq))
|
return 0;
|
|
memset(&f_cap, 0, sizeof(f_cap));
|
f_cap.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
|
coda_g_fmt(file, priv, &f_cap);
|
f_cap.fmt.pix.width = f->fmt.pix.width;
|
f_cap.fmt.pix.height = f->fmt.pix.height;
|
|
return coda_s_fmt_vid_cap(file, priv, &f_cap);
|
}
|
|
static int coda_reqbufs(struct file *file, void *priv,
|
struct v4l2_requestbuffers *rb)
|
{
|
struct coda_ctx *ctx = fh_to_ctx(priv);
|
int ret;
|
|
ret = v4l2_m2m_reqbufs(file, ctx->fh.m2m_ctx, rb);
|
if (ret)
|
return ret;
|
|
/*
|
* Allow to allocate instance specific per-context buffers, such as
|
* bitstream ringbuffer, slice buffer, work buffer, etc. if needed.
|
*/
|
if (rb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT && ctx->ops->reqbufs)
|
return ctx->ops->reqbufs(ctx, rb);
|
|
return 0;
|
}
|
|
static int coda_qbuf(struct file *file, void *priv,
|
struct v4l2_buffer *buf)
|
{
|
struct coda_ctx *ctx = fh_to_ctx(priv);
|
|
if (ctx->inst_type == CODA_INST_DECODER &&
|
buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
|
buf->flags &= ~V4L2_BUF_FLAG_LAST;
|
|
return v4l2_m2m_qbuf(file, ctx->fh.m2m_ctx, buf);
|
}
|
|
static int coda_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
|
{
|
struct coda_ctx *ctx = fh_to_ctx(priv);
|
int ret;
|
|
ret = v4l2_m2m_dqbuf(file, ctx->fh.m2m_ctx, buf);
|
|
if (ctx->inst_type == CODA_INST_DECODER &&
|
buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
|
buf->flags &= ~V4L2_BUF_FLAG_LAST;
|
|
return ret;
|
}
|
|
void coda_m2m_buf_done(struct coda_ctx *ctx, struct vb2_v4l2_buffer *buf,
|
enum vb2_buffer_state state)
|
{
|
const struct v4l2_event eos_event = {
|
.type = V4L2_EVENT_EOS
|
};
|
|
if (buf->flags & V4L2_BUF_FLAG_LAST)
|
v4l2_event_queue_fh(&ctx->fh, &eos_event);
|
|
v4l2_m2m_buf_done(buf, state);
|
}
|
|
static int coda_g_selection(struct file *file, void *fh,
|
struct v4l2_selection *s)
|
{
|
struct coda_ctx *ctx = fh_to_ctx(fh);
|
struct coda_q_data *q_data;
|
struct v4l2_rect r, *rsel;
|
|
q_data = get_q_data(ctx, s->type);
|
if (!q_data)
|
return -EINVAL;
|
|
r.left = 0;
|
r.top = 0;
|
r.width = q_data->width;
|
r.height = q_data->height;
|
rsel = &q_data->rect;
|
|
switch (s->target) {
|
case V4L2_SEL_TGT_CROP_DEFAULT:
|
case V4L2_SEL_TGT_CROP_BOUNDS:
|
rsel = &r;
|
fallthrough;
|
case V4L2_SEL_TGT_CROP:
|
if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT ||
|
ctx->inst_type == CODA_INST_DECODER)
|
return -EINVAL;
|
break;
|
case V4L2_SEL_TGT_COMPOSE_BOUNDS:
|
case V4L2_SEL_TGT_COMPOSE_PADDED:
|
rsel = &r;
|
fallthrough;
|
case V4L2_SEL_TGT_COMPOSE:
|
case V4L2_SEL_TGT_COMPOSE_DEFAULT:
|
if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE ||
|
ctx->inst_type == CODA_INST_ENCODER)
|
return -EINVAL;
|
break;
|
default:
|
return -EINVAL;
|
}
|
|
s->r = *rsel;
|
|
return 0;
|
}
|
|
static int coda_s_selection(struct file *file, void *fh,
|
struct v4l2_selection *s)
|
{
|
struct coda_ctx *ctx = fh_to_ctx(fh);
|
struct coda_q_data *q_data;
|
|
switch (s->target) {
|
case V4L2_SEL_TGT_CROP:
|
if (ctx->inst_type == CODA_INST_ENCODER &&
|
s->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
|
q_data = get_q_data(ctx, s->type);
|
if (!q_data)
|
return -EINVAL;
|
|
s->r.left = 0;
|
s->r.top = 0;
|
s->r.width = clamp(s->r.width, 2U, q_data->width);
|
s->r.height = clamp(s->r.height, 2U, q_data->height);
|
|
if (s->flags & V4L2_SEL_FLAG_LE) {
|
s->r.width = round_up(s->r.width, 2);
|
s->r.height = round_up(s->r.height, 2);
|
} else {
|
s->r.width = round_down(s->r.width, 2);
|
s->r.height = round_down(s->r.height, 2);
|
}
|
|
q_data->rect = s->r;
|
|
coda_dbg(1, ctx, "Setting crop rectangle: %dx%d\n",
|
s->r.width, s->r.height);
|
|
return 0;
|
}
|
fallthrough;
|
case V4L2_SEL_TGT_NATIVE_SIZE:
|
case V4L2_SEL_TGT_COMPOSE:
|
return coda_g_selection(file, fh, s);
|
default:
|
/* v4l2-compliance expects this to fail for read-only targets */
|
return -EINVAL;
|
}
|
}
|
|
static int coda_try_encoder_cmd(struct file *file, void *fh,
|
struct v4l2_encoder_cmd *ec)
|
{
|
struct coda_ctx *ctx = fh_to_ctx(fh);
|
|
if (ctx->inst_type != CODA_INST_ENCODER)
|
return -ENOTTY;
|
|
return v4l2_m2m_ioctl_try_encoder_cmd(file, fh, ec);
|
}
|
|
static void coda_wake_up_capture_queue(struct coda_ctx *ctx)
|
{
|
struct vb2_queue *dst_vq;
|
|
coda_dbg(1, ctx, "waking up capture queue\n");
|
|
dst_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
|
dst_vq->last_buffer_dequeued = true;
|
wake_up(&dst_vq->done_wq);
|
}
|
|
static int coda_encoder_cmd(struct file *file, void *fh,
|
struct v4l2_encoder_cmd *ec)
|
{
|
struct coda_ctx *ctx = fh_to_ctx(fh);
|
struct vb2_v4l2_buffer *buf;
|
int ret;
|
|
ret = coda_try_encoder_cmd(file, fh, ec);
|
if (ret < 0)
|
return ret;
|
|
mutex_lock(&ctx->wakeup_mutex);
|
buf = v4l2_m2m_last_src_buf(ctx->fh.m2m_ctx);
|
if (buf) {
|
/*
|
* If the last output buffer is still on the queue, make sure
|
* that decoder finish_run will see the last flag and report it
|
* to userspace.
|
*/
|
buf->flags |= V4L2_BUF_FLAG_LAST;
|
} else {
|
/* Set the stream-end flag on this context */
|
ctx->bit_stream_param |= CODA_BIT_STREAM_END_FLAG;
|
|
/*
|
* If the last output buffer has already been taken from the
|
* queue, wake up the capture queue and signal end of stream
|
* via the -EPIPE mechanism.
|
*/
|
coda_wake_up_capture_queue(ctx);
|
}
|
mutex_unlock(&ctx->wakeup_mutex);
|
|
return 0;
|
}
|
|
static int coda_try_decoder_cmd(struct file *file, void *fh,
|
struct v4l2_decoder_cmd *dc)
|
{
|
struct coda_ctx *ctx = fh_to_ctx(fh);
|
|
if (ctx->inst_type != CODA_INST_DECODER)
|
return -ENOTTY;
|
|
return v4l2_m2m_ioctl_try_decoder_cmd(file, fh, dc);
|
}
|
|
static bool coda_mark_last_meta(struct coda_ctx *ctx)
|
{
|
struct coda_buffer_meta *meta;
|
|
coda_dbg(1, ctx, "marking last meta\n");
|
|
spin_lock(&ctx->buffer_meta_lock);
|
if (list_empty(&ctx->buffer_meta_list)) {
|
spin_unlock(&ctx->buffer_meta_lock);
|
return false;
|
}
|
|
meta = list_last_entry(&ctx->buffer_meta_list, struct coda_buffer_meta,
|
list);
|
meta->last = true;
|
|
spin_unlock(&ctx->buffer_meta_lock);
|
return true;
|
}
|
|
static bool coda_mark_last_dst_buf(struct coda_ctx *ctx)
|
{
|
struct vb2_v4l2_buffer *buf;
|
struct vb2_buffer *dst_vb;
|
struct vb2_queue *dst_vq;
|
unsigned long flags;
|
|
coda_dbg(1, ctx, "marking last capture buffer\n");
|
|
dst_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
|
spin_lock_irqsave(&dst_vq->done_lock, flags);
|
if (list_empty(&dst_vq->done_list)) {
|
spin_unlock_irqrestore(&dst_vq->done_lock, flags);
|
return false;
|
}
|
|
dst_vb = list_last_entry(&dst_vq->done_list, struct vb2_buffer,
|
done_entry);
|
buf = to_vb2_v4l2_buffer(dst_vb);
|
buf->flags |= V4L2_BUF_FLAG_LAST;
|
|
spin_unlock_irqrestore(&dst_vq->done_lock, flags);
|
return true;
|
}
|
|
static int coda_decoder_cmd(struct file *file, void *fh,
|
struct v4l2_decoder_cmd *dc)
|
{
|
struct coda_ctx *ctx = fh_to_ctx(fh);
|
struct coda_dev *dev = ctx->dev;
|
struct vb2_v4l2_buffer *buf;
|
struct vb2_queue *dst_vq;
|
bool stream_end;
|
bool wakeup;
|
int ret;
|
|
ret = coda_try_decoder_cmd(file, fh, dc);
|
if (ret < 0)
|
return ret;
|
|
switch (dc->cmd) {
|
case V4L2_DEC_CMD_START:
|
mutex_lock(&dev->coda_mutex);
|
mutex_lock(&ctx->bitstream_mutex);
|
coda_bitstream_flush(ctx);
|
dst_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx,
|
V4L2_BUF_TYPE_VIDEO_CAPTURE);
|
vb2_clear_last_buffer_dequeued(dst_vq);
|
ctx->bit_stream_param &= ~CODA_BIT_STREAM_END_FLAG;
|
coda_fill_bitstream(ctx, NULL);
|
mutex_unlock(&ctx->bitstream_mutex);
|
mutex_unlock(&dev->coda_mutex);
|
break;
|
case V4L2_DEC_CMD_STOP:
|
stream_end = false;
|
wakeup = false;
|
|
mutex_lock(&ctx->wakeup_mutex);
|
|
buf = v4l2_m2m_last_src_buf(ctx->fh.m2m_ctx);
|
if (buf) {
|
coda_dbg(1, ctx, "marking last pending buffer\n");
|
|
/* Mark last buffer */
|
buf->flags |= V4L2_BUF_FLAG_LAST;
|
|
if (v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx) == 0) {
|
coda_dbg(1, ctx, "all remaining buffers queued\n");
|
stream_end = true;
|
}
|
} else {
|
if (ctx->use_bit)
|
if (coda_mark_last_meta(ctx))
|
stream_end = true;
|
else
|
wakeup = true;
|
else
|
if (!coda_mark_last_dst_buf(ctx))
|
wakeup = true;
|
}
|
|
if (stream_end) {
|
coda_dbg(1, ctx, "all remaining buffers queued\n");
|
|
/* Set the stream-end flag on this context */
|
coda_bit_stream_end_flag(ctx);
|
ctx->hold = false;
|
v4l2_m2m_try_schedule(ctx->fh.m2m_ctx);
|
}
|
|
if (wakeup) {
|
/* If there is no buffer in flight, wake up */
|
coda_wake_up_capture_queue(ctx);
|
}
|
|
mutex_unlock(&ctx->wakeup_mutex);
|
break;
|
default:
|
return -EINVAL;
|
}
|
|
return 0;
|
}
|
|
static int coda_enum_framesizes(struct file *file, void *fh,
|
struct v4l2_frmsizeenum *fsize)
|
{
|
struct coda_ctx *ctx = fh_to_ctx(fh);
|
struct coda_q_data *q_data_dst;
|
const struct coda_codec *codec;
|
|
if (ctx->inst_type != CODA_INST_ENCODER)
|
return -ENOTTY;
|
|
if (fsize->index)
|
return -EINVAL;
|
|
if (coda_format_normalize_yuv(fsize->pixel_format) ==
|
V4L2_PIX_FMT_YUV420) {
|
q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
|
codec = coda_find_codec(ctx->dev, fsize->pixel_format,
|
q_data_dst->fourcc);
|
} else {
|
codec = coda_find_codec(ctx->dev, V4L2_PIX_FMT_YUV420,
|
fsize->pixel_format);
|
}
|
if (!codec)
|
return -EINVAL;
|
|
fsize->type = V4L2_FRMSIZE_TYPE_CONTINUOUS;
|
fsize->stepwise.min_width = MIN_W;
|
fsize->stepwise.max_width = codec->max_w;
|
fsize->stepwise.step_width = 1;
|
fsize->stepwise.min_height = MIN_H;
|
fsize->stepwise.max_height = codec->max_h;
|
fsize->stepwise.step_height = 1;
|
|
return 0;
|
}
|
|
static int coda_enum_frameintervals(struct file *file, void *fh,
|
struct v4l2_frmivalenum *f)
|
{
|
struct coda_ctx *ctx = fh_to_ctx(fh);
|
struct coda_q_data *q_data;
|
const struct coda_codec *codec;
|
|
if (f->index)
|
return -EINVAL;
|
|
/* Disallow YUYV if the vdoa is not available */
|
if (!ctx->vdoa && f->pixel_format == V4L2_PIX_FMT_YUYV)
|
return -EINVAL;
|
|
if (coda_format_normalize_yuv(f->pixel_format) == V4L2_PIX_FMT_YUV420) {
|
q_data = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
|
codec = coda_find_codec(ctx->dev, f->pixel_format,
|
q_data->fourcc);
|
} else {
|
codec = coda_find_codec(ctx->dev, V4L2_PIX_FMT_YUV420,
|
f->pixel_format);
|
}
|
if (!codec)
|
return -EINVAL;
|
|
if (f->width < MIN_W || f->width > codec->max_w ||
|
f->height < MIN_H || f->height > codec->max_h)
|
return -EINVAL;
|
|
f->type = V4L2_FRMIVAL_TYPE_CONTINUOUS;
|
f->stepwise.min.numerator = 1;
|
f->stepwise.min.denominator = 65535;
|
f->stepwise.max.numerator = 65536;
|
f->stepwise.max.denominator = 1;
|
f->stepwise.step.numerator = 1;
|
f->stepwise.step.denominator = 1;
|
|
return 0;
|
}
|
|
static int coda_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
|
{
|
struct coda_ctx *ctx = fh_to_ctx(fh);
|
struct v4l2_fract *tpf;
|
|
if (a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
|
return -EINVAL;
|
|
a->parm.output.capability = V4L2_CAP_TIMEPERFRAME;
|
tpf = &a->parm.output.timeperframe;
|
tpf->denominator = ctx->params.framerate & CODA_FRATE_RES_MASK;
|
tpf->numerator = 1 + (ctx->params.framerate >>
|
CODA_FRATE_DIV_OFFSET);
|
|
return 0;
|
}
|
|
/*
|
* 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)
|
{
|
struct v4l2_fract s = *timeperframe;
|
struct v4l2_fract f0;
|
struct v4l2_fract f1 = { 1, 0 };
|
struct v4l2_fract f2 = { 0, 1 };
|
unsigned int i, div, s_denominator;
|
|
/* Lower bound is 1/65535 */
|
if (s.numerator == 0 || s.denominator / s.numerator > 65535) {
|
timeperframe->numerator = 1;
|
timeperframe->denominator = 65535;
|
return;
|
}
|
|
/* Upper bound is 65536/1 */
|
if (s.denominator == 0 || s.numerator / s.denominator > 65536) {
|
timeperframe->numerator = 65536;
|
timeperframe->denominator = 1;
|
return;
|
}
|
|
/* Reduce fraction to lowest terms */
|
div = gcd(s.numerator, s.denominator);
|
if (div > 1) {
|
s.numerator /= div;
|
s.denominator /= div;
|
}
|
|
if (s.numerator <= 65536 && s.denominator < 65536) {
|
*timeperframe = s;
|
return;
|
}
|
|
/* Find successive convergents from continued fraction expansion */
|
while (f2.numerator <= 65536 && f2.denominator < 65536) {
|
f0 = f1;
|
f1 = f2;
|
|
/* Stop when f2 exactly equals timeperframe */
|
if (s.numerator == 0)
|
break;
|
|
i = s.denominator / s.numerator;
|
|
f2.numerator = f0.numerator + i * f1.numerator;
|
f2.denominator = f0.denominator + i * f2.denominator;
|
|
s_denominator = s.numerator;
|
s.numerator = s.denominator % s.numerator;
|
s.denominator = s_denominator;
|
}
|
|
*timeperframe = f1;
|
}
|
|
static uint32_t coda_timeperframe_to_frate(struct v4l2_fract *timeperframe)
|
{
|
return ((timeperframe->numerator - 1) << CODA_FRATE_DIV_OFFSET) |
|
timeperframe->denominator;
|
}
|
|
static int coda_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
|
{
|
struct coda_ctx *ctx = fh_to_ctx(fh);
|
struct v4l2_fract *tpf;
|
|
if (a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
|
return -EINVAL;
|
|
a->parm.output.capability = V4L2_CAP_TIMEPERFRAME;
|
tpf = &a->parm.output.timeperframe;
|
coda_approximate_timeperframe(tpf);
|
ctx->params.framerate = coda_timeperframe_to_frate(tpf);
|
ctx->params.framerate_changed = true;
|
|
return 0;
|
}
|
|
static int coda_subscribe_event(struct v4l2_fh *fh,
|
const struct v4l2_event_subscription *sub)
|
{
|
struct coda_ctx *ctx = fh_to_ctx(fh);
|
|
switch (sub->type) {
|
case V4L2_EVENT_EOS:
|
return v4l2_event_subscribe(fh, sub, 0, NULL);
|
case V4L2_EVENT_SOURCE_CHANGE:
|
if (ctx->inst_type == CODA_INST_DECODER)
|
return v4l2_event_subscribe(fh, sub, 0, NULL);
|
else
|
return -EINVAL;
|
default:
|
return v4l2_ctrl_subscribe_event(fh, sub);
|
}
|
}
|
|
static const struct v4l2_ioctl_ops coda_ioctl_ops = {
|
.vidioc_querycap = coda_querycap,
|
|
.vidioc_enum_fmt_vid_cap = coda_enum_fmt,
|
.vidioc_g_fmt_vid_cap = coda_g_fmt,
|
.vidioc_try_fmt_vid_cap = coda_try_fmt_vid_cap,
|
.vidioc_s_fmt_vid_cap = coda_s_fmt_vid_cap,
|
|
.vidioc_enum_fmt_vid_out = coda_enum_fmt,
|
.vidioc_g_fmt_vid_out = coda_g_fmt,
|
.vidioc_try_fmt_vid_out = coda_try_fmt_vid_out,
|
.vidioc_s_fmt_vid_out = coda_s_fmt_vid_out,
|
|
.vidioc_reqbufs = coda_reqbufs,
|
.vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
|
|
.vidioc_qbuf = coda_qbuf,
|
.vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
|
.vidioc_dqbuf = coda_dqbuf,
|
.vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
|
.vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
|
|
.vidioc_streamon = v4l2_m2m_ioctl_streamon,
|
.vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
|
|
.vidioc_g_selection = coda_g_selection,
|
.vidioc_s_selection = coda_s_selection,
|
|
.vidioc_try_encoder_cmd = coda_try_encoder_cmd,
|
.vidioc_encoder_cmd = coda_encoder_cmd,
|
.vidioc_try_decoder_cmd = coda_try_decoder_cmd,
|
.vidioc_decoder_cmd = coda_decoder_cmd,
|
|
.vidioc_g_parm = coda_g_parm,
|
.vidioc_s_parm = coda_s_parm,
|
|
.vidioc_enum_framesizes = coda_enum_framesizes,
|
.vidioc_enum_frameintervals = coda_enum_frameintervals,
|
|
.vidioc_subscribe_event = coda_subscribe_event,
|
.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
|
};
|
|
/*
|
* Mem-to-mem operations.
|
*/
|
|
static void coda_device_run(void *m2m_priv)
|
{
|
struct coda_ctx *ctx = m2m_priv;
|
struct coda_dev *dev = ctx->dev;
|
|
queue_work(dev->workqueue, &ctx->pic_run_work);
|
}
|
|
static void coda_pic_run_work(struct work_struct *work)
|
{
|
struct coda_ctx *ctx = container_of(work, struct coda_ctx, pic_run_work);
|
struct coda_dev *dev = ctx->dev;
|
int ret;
|
|
mutex_lock(&ctx->buffer_mutex);
|
mutex_lock(&dev->coda_mutex);
|
|
ret = ctx->ops->prepare_run(ctx);
|
if (ret < 0 && ctx->inst_type == CODA_INST_DECODER) {
|
mutex_unlock(&dev->coda_mutex);
|
mutex_unlock(&ctx->buffer_mutex);
|
/* job_finish scheduled by prepare_decode */
|
return;
|
}
|
|
if (!wait_for_completion_timeout(&ctx->completion,
|
msecs_to_jiffies(1000))) {
|
if (ctx->use_bit) {
|
dev_err(dev->dev, "CODA PIC_RUN timeout\n");
|
|
ctx->hold = true;
|
|
coda_hw_reset(ctx);
|
}
|
|
if (ctx->ops->run_timeout)
|
ctx->ops->run_timeout(ctx);
|
} else {
|
ctx->ops->finish_run(ctx);
|
}
|
|
if ((ctx->aborting || (!ctx->streamon_cap && !ctx->streamon_out)) &&
|
ctx->ops->seq_end_work)
|
queue_work(dev->workqueue, &ctx->seq_end_work);
|
|
mutex_unlock(&dev->coda_mutex);
|
mutex_unlock(&ctx->buffer_mutex);
|
|
v4l2_m2m_job_finish(ctx->dev->m2m_dev, ctx->fh.m2m_ctx);
|
}
|
|
static int coda_job_ready(void *m2m_priv)
|
{
|
struct coda_ctx *ctx = m2m_priv;
|
int src_bufs = v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx);
|
|
/*
|
* For both 'P' and 'key' frame cases 1 picture
|
* and 1 frame are needed. In the decoder case,
|
* the compressed frame can be in the bitstream.
|
*/
|
if (!src_bufs && ctx->inst_type != CODA_INST_DECODER) {
|
coda_dbg(1, ctx, "not ready: not enough vid-out buffers.\n");
|
return 0;
|
}
|
|
if (!v4l2_m2m_num_dst_bufs_ready(ctx->fh.m2m_ctx)) {
|
coda_dbg(1, ctx, "not ready: not enough vid-cap buffers.\n");
|
return 0;
|
}
|
|
if (ctx->inst_type == CODA_INST_DECODER && ctx->use_bit) {
|
bool stream_end = ctx->bit_stream_param &
|
CODA_BIT_STREAM_END_FLAG;
|
int num_metas = ctx->num_metas;
|
struct coda_buffer_meta *meta;
|
unsigned int count;
|
|
count = hweight32(ctx->frm_dis_flg);
|
if (ctx->use_vdoa && count >= (ctx->num_internal_frames - 1)) {
|
coda_dbg(1, ctx,
|
"not ready: all internal buffers in use: %d/%d (0x%x)",
|
count, ctx->num_internal_frames,
|
ctx->frm_dis_flg);
|
return 0;
|
}
|
|
if (ctx->hold && !src_bufs) {
|
coda_dbg(1, ctx,
|
"not ready: on hold for more buffers.\n");
|
return 0;
|
}
|
|
if (!stream_end && (num_metas + src_bufs) < 2) {
|
coda_dbg(1, ctx,
|
"not ready: need 2 buffers available (queue:%d + bitstream:%d)\n",
|
num_metas, src_bufs);
|
return 0;
|
}
|
|
meta = list_first_entry(&ctx->buffer_meta_list,
|
struct coda_buffer_meta, list);
|
if (!coda_bitstream_can_fetch_past(ctx, meta->end) &&
|
!stream_end) {
|
coda_dbg(1, ctx,
|
"not ready: not enough bitstream data to read past %u (%u)\n",
|
meta->end, ctx->bitstream_fifo.kfifo.in);
|
return 0;
|
}
|
}
|
|
if (ctx->aborting) {
|
coda_dbg(1, ctx, "not ready: aborting\n");
|
return 0;
|
}
|
|
coda_dbg(2, ctx, "job ready\n");
|
|
return 1;
|
}
|
|
static void coda_job_abort(void *priv)
|
{
|
struct coda_ctx *ctx = priv;
|
|
ctx->aborting = 1;
|
|
coda_dbg(1, ctx, "job abort\n");
|
}
|
|
static const struct v4l2_m2m_ops coda_m2m_ops = {
|
.device_run = coda_device_run,
|
.job_ready = coda_job_ready,
|
.job_abort = coda_job_abort,
|
};
|
|
static void set_default_params(struct coda_ctx *ctx)
|
{
|
unsigned int max_w, max_h, usize, csize;
|
|
ctx->codec = coda_find_codec(ctx->dev, ctx->cvd->src_formats[0],
|
ctx->cvd->dst_formats[0]);
|
max_w = min(ctx->codec->max_w, 1920U);
|
max_h = min(ctx->codec->max_h, 1088U);
|
usize = max_w * max_h * 3 / 2;
|
csize = coda_estimate_sizeimage(ctx, usize, max_w, max_h);
|
|
ctx->params.codec_mode = ctx->codec->mode;
|
if (ctx->cvd->src_formats[0] == V4L2_PIX_FMT_JPEG)
|
ctx->colorspace = V4L2_COLORSPACE_JPEG;
|
else
|
ctx->colorspace = V4L2_COLORSPACE_REC709;
|
ctx->xfer_func = V4L2_XFER_FUNC_DEFAULT;
|
ctx->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
|
ctx->quantization = V4L2_QUANTIZATION_DEFAULT;
|
ctx->params.framerate = 30;
|
|
/* Default formats for output and input queues */
|
ctx->q_data[V4L2_M2M_SRC].fourcc = ctx->cvd->src_formats[0];
|
ctx->q_data[V4L2_M2M_DST].fourcc = ctx->cvd->dst_formats[0];
|
ctx->q_data[V4L2_M2M_SRC].width = max_w;
|
ctx->q_data[V4L2_M2M_SRC].height = max_h;
|
ctx->q_data[V4L2_M2M_DST].width = max_w;
|
ctx->q_data[V4L2_M2M_DST].height = max_h;
|
if (ctx->codec->src_fourcc == V4L2_PIX_FMT_YUV420) {
|
ctx->q_data[V4L2_M2M_SRC].bytesperline = max_w;
|
ctx->q_data[V4L2_M2M_SRC].sizeimage = usize;
|
ctx->q_data[V4L2_M2M_DST].bytesperline = 0;
|
ctx->q_data[V4L2_M2M_DST].sizeimage = csize;
|
} else {
|
ctx->q_data[V4L2_M2M_SRC].bytesperline = 0;
|
ctx->q_data[V4L2_M2M_SRC].sizeimage = csize;
|
ctx->q_data[V4L2_M2M_DST].bytesperline = max_w;
|
ctx->q_data[V4L2_M2M_DST].sizeimage = usize;
|
}
|
ctx->q_data[V4L2_M2M_SRC].rect.width = max_w;
|
ctx->q_data[V4L2_M2M_SRC].rect.height = max_h;
|
ctx->q_data[V4L2_M2M_DST].rect.width = max_w;
|
ctx->q_data[V4L2_M2M_DST].rect.height = max_h;
|
|
/*
|
* Since the RBC2AXI logic only supports a single chroma plane,
|
* macroblock tiling only works for to NV12 pixel format.
|
*/
|
ctx->tiled_map_type = GDI_LINEAR_FRAME_MAP;
|
}
|
|
/*
|
* Queue operations
|
*/
|
static int coda_queue_setup(struct vb2_queue *vq,
|
unsigned int *nbuffers, unsigned int *nplanes,
|
unsigned int sizes[], struct device *alloc_devs[])
|
{
|
struct coda_ctx *ctx = vb2_get_drv_priv(vq);
|
struct coda_q_data *q_data;
|
unsigned int size;
|
|
q_data = get_q_data(ctx, vq->type);
|
size = q_data->sizeimage;
|
|
if (*nplanes)
|
return sizes[0] < size ? -EINVAL : 0;
|
|
*nplanes = 1;
|
sizes[0] = size;
|
|
coda_dbg(1, ctx, "get %d buffer(s) of size %d each.\n", *nbuffers,
|
size);
|
|
return 0;
|
}
|
|
static int coda_buf_prepare(struct vb2_buffer *vb)
|
{
|
struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
|
struct coda_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
|
struct coda_q_data *q_data;
|
|
q_data = get_q_data(ctx, vb->vb2_queue->type);
|
if (V4L2_TYPE_IS_OUTPUT(vb->vb2_queue->type)) {
|
if (vbuf->field == V4L2_FIELD_ANY)
|
vbuf->field = V4L2_FIELD_NONE;
|
if (vbuf->field != V4L2_FIELD_NONE) {
|
v4l2_warn(&ctx->dev->v4l2_dev,
|
"%s field isn't supported\n", __func__);
|
return -EINVAL;
|
}
|
}
|
|
if (vb2_plane_size(vb, 0) < q_data->sizeimage) {
|
v4l2_warn(&ctx->dev->v4l2_dev,
|
"%s data will not fit into plane (%lu < %lu)\n",
|
__func__, vb2_plane_size(vb, 0),
|
(long)q_data->sizeimage);
|
return -EINVAL;
|
}
|
|
return 0;
|
}
|
|
static void coda_update_menu_ctrl(struct v4l2_ctrl *ctrl, int value)
|
{
|
if (!ctrl)
|
return;
|
|
v4l2_ctrl_lock(ctrl);
|
|
/*
|
* Extend the control range if the parsed stream contains a known but
|
* unsupported value or level.
|
*/
|
if (value > ctrl->maximum) {
|
__v4l2_ctrl_modify_range(ctrl, ctrl->minimum, value,
|
ctrl->menu_skip_mask & ~(1 << value),
|
ctrl->default_value);
|
} else if (value < ctrl->minimum) {
|
__v4l2_ctrl_modify_range(ctrl, value, ctrl->maximum,
|
ctrl->menu_skip_mask & ~(1 << value),
|
ctrl->default_value);
|
}
|
|
__v4l2_ctrl_s_ctrl(ctrl, value);
|
|
v4l2_ctrl_unlock(ctrl);
|
}
|
|
void coda_update_profile_level_ctrls(struct coda_ctx *ctx, u8 profile_idc,
|
u8 level_idc)
|
{
|
const char * const *profile_names;
|
const char * const *level_names;
|
struct v4l2_ctrl *profile_ctrl;
|
struct v4l2_ctrl *level_ctrl;
|
const char *codec_name;
|
u32 profile_cid;
|
u32 level_cid;
|
int profile;
|
int level;
|
|
switch (ctx->codec->src_fourcc) {
|
case V4L2_PIX_FMT_H264:
|
codec_name = "H264";
|
profile_cid = V4L2_CID_MPEG_VIDEO_H264_PROFILE;
|
level_cid = V4L2_CID_MPEG_VIDEO_H264_LEVEL;
|
profile_ctrl = ctx->h264_profile_ctrl;
|
level_ctrl = ctx->h264_level_ctrl;
|
profile = coda_h264_profile(profile_idc);
|
level = coda_h264_level(level_idc);
|
break;
|
case V4L2_PIX_FMT_MPEG2:
|
codec_name = "MPEG-2";
|
profile_cid = V4L2_CID_MPEG_VIDEO_MPEG2_PROFILE;
|
level_cid = V4L2_CID_MPEG_VIDEO_MPEG2_LEVEL;
|
profile_ctrl = ctx->mpeg2_profile_ctrl;
|
level_ctrl = ctx->mpeg2_level_ctrl;
|
profile = coda_mpeg2_profile(profile_idc);
|
level = coda_mpeg2_level(level_idc);
|
break;
|
case V4L2_PIX_FMT_MPEG4:
|
codec_name = "MPEG-4";
|
profile_cid = V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE;
|
level_cid = V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL;
|
profile_ctrl = ctx->mpeg4_profile_ctrl;
|
level_ctrl = ctx->mpeg4_level_ctrl;
|
profile = coda_mpeg4_profile(profile_idc);
|
level = coda_mpeg4_level(level_idc);
|
break;
|
default:
|
return;
|
}
|
|
profile_names = v4l2_ctrl_get_menu(profile_cid);
|
level_names = v4l2_ctrl_get_menu(level_cid);
|
|
if (profile < 0) {
|
v4l2_warn(&ctx->dev->v4l2_dev, "Invalid %s profile: %u\n",
|
codec_name, profile_idc);
|
} else {
|
coda_dbg(1, ctx, "Parsed %s profile: %s\n", codec_name,
|
profile_names[profile]);
|
coda_update_menu_ctrl(profile_ctrl, profile);
|
}
|
|
if (level < 0) {
|
v4l2_warn(&ctx->dev->v4l2_dev, "Invalid %s level: %u\n",
|
codec_name, level_idc);
|
} else {
|
coda_dbg(1, ctx, "Parsed %s level: %s\n", codec_name,
|
level_names[level]);
|
coda_update_menu_ctrl(level_ctrl, level);
|
}
|
}
|
|
static void coda_queue_source_change_event(struct coda_ctx *ctx)
|
{
|
static const struct v4l2_event source_change_event = {
|
.type = V4L2_EVENT_SOURCE_CHANGE,
|
.u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION,
|
};
|
|
v4l2_event_queue_fh(&ctx->fh, &source_change_event);
|
}
|
|
static void coda_buf_queue(struct vb2_buffer *vb)
|
{
|
struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
|
struct coda_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
|
struct vb2_queue *vq = vb->vb2_queue;
|
struct coda_q_data *q_data;
|
|
q_data = get_q_data(ctx, vb->vb2_queue->type);
|
|
/*
|
* In the decoder case, immediately try to copy the buffer into the
|
* bitstream ringbuffer and mark it as ready to be dequeued.
|
*/
|
if (ctx->bitstream.size && vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
|
/*
|
* For backwards compatibility, queuing an empty buffer marks
|
* the stream end
|
*/
|
if (vb2_get_plane_payload(vb, 0) == 0)
|
coda_bit_stream_end_flag(ctx);
|
|
if (q_data->fourcc == V4L2_PIX_FMT_H264) {
|
/*
|
* Unless already done, try to obtain profile_idc and
|
* level_idc from the SPS header. This allows to decide
|
* whether to enable reordering during sequence
|
* initialization.
|
*/
|
if (!ctx->params.h264_profile_idc) {
|
coda_sps_parse_profile(ctx, vb);
|
coda_update_profile_level_ctrls(ctx,
|
ctx->params.h264_profile_idc,
|
ctx->params.h264_level_idc);
|
}
|
}
|
|
mutex_lock(&ctx->bitstream_mutex);
|
v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vbuf);
|
if (vb2_is_streaming(vb->vb2_queue))
|
/* This set buf->sequence = ctx->qsequence++ */
|
coda_fill_bitstream(ctx, NULL);
|
mutex_unlock(&ctx->bitstream_mutex);
|
|
if (!ctx->initialized) {
|
/*
|
* Run sequence initialization in case the queued
|
* buffer contained headers.
|
*/
|
if (vb2_is_streaming(vb->vb2_queue) &&
|
ctx->ops->seq_init_work) {
|
queue_work(ctx->dev->workqueue,
|
&ctx->seq_init_work);
|
flush_work(&ctx->seq_init_work);
|
}
|
|
if (ctx->initialized)
|
coda_queue_source_change_event(ctx);
|
}
|
} else {
|
if ((ctx->inst_type == CODA_INST_ENCODER || !ctx->use_bit) &&
|
vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
|
vbuf->sequence = ctx->qsequence++;
|
v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vbuf);
|
}
|
}
|
|
int coda_alloc_aux_buf(struct coda_dev *dev, struct coda_aux_buf *buf,
|
size_t size, const char *name, struct dentry *parent)
|
{
|
buf->vaddr = dma_alloc_coherent(dev->dev, size, &buf->paddr,
|
GFP_KERNEL);
|
if (!buf->vaddr) {
|
v4l2_err(&dev->v4l2_dev,
|
"Failed to allocate %s buffer of size %zu\n",
|
name, size);
|
return -ENOMEM;
|
}
|
|
buf->size = size;
|
|
if (name && parent) {
|
buf->blob.data = buf->vaddr;
|
buf->blob.size = size;
|
buf->dentry = debugfs_create_blob(name, 0644, parent,
|
&buf->blob);
|
}
|
|
return 0;
|
}
|
|
void coda_free_aux_buf(struct coda_dev *dev,
|
struct coda_aux_buf *buf)
|
{
|
if (buf->vaddr) {
|
dma_free_coherent(dev->dev, buf->size, buf->vaddr, buf->paddr);
|
buf->vaddr = NULL;
|
buf->size = 0;
|
debugfs_remove(buf->dentry);
|
buf->dentry = NULL;
|
}
|
}
|
|
static int coda_start_streaming(struct vb2_queue *q, unsigned int count)
|
{
|
struct coda_ctx *ctx = vb2_get_drv_priv(q);
|
struct v4l2_device *v4l2_dev = &ctx->dev->v4l2_dev;
|
struct coda_q_data *q_data_src, *q_data_dst;
|
struct v4l2_m2m_buffer *m2m_buf, *tmp;
|
struct vb2_v4l2_buffer *buf;
|
struct list_head list;
|
int ret = 0;
|
|
if (count < 1)
|
return -EINVAL;
|
|
coda_dbg(1, ctx, "start streaming %s\n", v4l2_type_names[q->type]);
|
|
INIT_LIST_HEAD(&list);
|
|
q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
|
if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
|
if (ctx->inst_type == CODA_INST_DECODER && ctx->use_bit) {
|
/* copy the buffers that were queued before streamon */
|
mutex_lock(&ctx->bitstream_mutex);
|
coda_fill_bitstream(ctx, &list);
|
mutex_unlock(&ctx->bitstream_mutex);
|
|
if (ctx->dev->devtype->product != CODA_960 &&
|
coda_get_bitstream_payload(ctx) < 512) {
|
v4l2_err(v4l2_dev, "start payload < 512\n");
|
ret = -EINVAL;
|
goto err;
|
}
|
|
if (!ctx->initialized) {
|
/* Run sequence initialization */
|
if (ctx->ops->seq_init_work) {
|
queue_work(ctx->dev->workqueue,
|
&ctx->seq_init_work);
|
flush_work(&ctx->seq_init_work);
|
}
|
}
|
}
|
|
/*
|
* Check the first input JPEG buffer to determine chroma
|
* subsampling.
|
*/
|
if (q_data_src->fourcc == V4L2_PIX_FMT_JPEG) {
|
buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
|
ret = coda_jpeg_decode_header(ctx, &buf->vb2_buf);
|
if (ret < 0) {
|
v4l2_err(v4l2_dev,
|
"failed to decode JPEG header: %d\n",
|
ret);
|
goto err;
|
}
|
|
q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
|
q_data_dst->width = round_up(q_data_src->width, 16);
|
q_data_dst->height = round_up(q_data_src->height, 16);
|
q_data_dst->bytesperline = q_data_dst->width;
|
if (ctx->params.jpeg_chroma_subsampling ==
|
V4L2_JPEG_CHROMA_SUBSAMPLING_420) {
|
q_data_dst->sizeimage =
|
q_data_dst->bytesperline *
|
q_data_dst->height * 3 / 2;
|
if (q_data_dst->fourcc != V4L2_PIX_FMT_YUV420)
|
q_data_dst->fourcc = V4L2_PIX_FMT_NV12;
|
} else {
|
q_data_dst->sizeimage =
|
q_data_dst->bytesperline *
|
q_data_dst->height * 2;
|
q_data_dst->fourcc = V4L2_PIX_FMT_YUV422P;
|
}
|
q_data_dst->rect.left = 0;
|
q_data_dst->rect.top = 0;
|
q_data_dst->rect.width = q_data_src->width;
|
q_data_dst->rect.height = q_data_src->height;
|
}
|
ctx->streamon_out = 1;
|
} else {
|
ctx->streamon_cap = 1;
|
}
|
|
/* Don't start the coda unless both queues are on */
|
if (!(ctx->streamon_out && ctx->streamon_cap))
|
goto out;
|
|
q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
|
if ((q_data_src->rect.width != q_data_dst->width &&
|
round_up(q_data_src->rect.width, 16) != q_data_dst->width) ||
|
(q_data_src->rect.height != q_data_dst->height &&
|
round_up(q_data_src->rect.height, 16) != q_data_dst->height)) {
|
v4l2_err(v4l2_dev, "can't convert %dx%d to %dx%d\n",
|
q_data_src->rect.width, q_data_src->rect.height,
|
q_data_dst->width, q_data_dst->height);
|
ret = -EINVAL;
|
goto err;
|
}
|
|
/* Allow BIT decoder device_run with no new buffers queued */
|
if (ctx->inst_type == CODA_INST_DECODER && ctx->use_bit)
|
v4l2_m2m_set_src_buffered(ctx->fh.m2m_ctx, true);
|
|
ctx->gopcounter = ctx->params.gop_size - 1;
|
|
if (q_data_dst->fourcc == V4L2_PIX_FMT_JPEG)
|
ctx->params.gop_size = 1;
|
ctx->gopcounter = ctx->params.gop_size - 1;
|
|
ret = ctx->ops->start_streaming(ctx);
|
if (ctx->inst_type == CODA_INST_DECODER) {
|
if (ret == -EAGAIN)
|
goto out;
|
}
|
if (ret < 0)
|
goto err;
|
|
out:
|
if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
|
list_for_each_entry_safe(m2m_buf, tmp, &list, list) {
|
list_del(&m2m_buf->list);
|
v4l2_m2m_buf_done(&m2m_buf->vb, VB2_BUF_STATE_DONE);
|
}
|
}
|
return 0;
|
|
err:
|
if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
|
list_for_each_entry_safe(m2m_buf, tmp, &list, list) {
|
list_del(&m2m_buf->list);
|
v4l2_m2m_buf_done(&m2m_buf->vb, VB2_BUF_STATE_QUEUED);
|
}
|
while ((buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx)))
|
v4l2_m2m_buf_done(buf, VB2_BUF_STATE_QUEUED);
|
} else {
|
while ((buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx)))
|
v4l2_m2m_buf_done(buf, VB2_BUF_STATE_QUEUED);
|
}
|
return ret;
|
}
|
|
static void coda_stop_streaming(struct vb2_queue *q)
|
{
|
struct coda_ctx *ctx = vb2_get_drv_priv(q);
|
struct coda_dev *dev = ctx->dev;
|
struct vb2_v4l2_buffer *buf;
|
bool stop;
|
|
stop = ctx->streamon_out && ctx->streamon_cap;
|
|
coda_dbg(1, ctx, "stop streaming %s\n", v4l2_type_names[q->type]);
|
|
if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
|
ctx->streamon_out = 0;
|
|
coda_bit_stream_end_flag(ctx);
|
|
ctx->qsequence = 0;
|
|
while ((buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx)))
|
v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR);
|
} else {
|
ctx->streamon_cap = 0;
|
|
ctx->osequence = 0;
|
ctx->sequence_offset = 0;
|
|
while ((buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx)))
|
v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR);
|
}
|
|
if (stop) {
|
struct coda_buffer_meta *meta;
|
|
if (ctx->ops->seq_end_work) {
|
queue_work(dev->workqueue, &ctx->seq_end_work);
|
flush_work(&ctx->seq_end_work);
|
}
|
spin_lock(&ctx->buffer_meta_lock);
|
while (!list_empty(&ctx->buffer_meta_list)) {
|
meta = list_first_entry(&ctx->buffer_meta_list,
|
struct coda_buffer_meta, list);
|
list_del(&meta->list);
|
kfree(meta);
|
}
|
ctx->num_metas = 0;
|
spin_unlock(&ctx->buffer_meta_lock);
|
kfifo_init(&ctx->bitstream_fifo,
|
ctx->bitstream.vaddr, ctx->bitstream.size);
|
ctx->runcounter = 0;
|
ctx->aborting = 0;
|
ctx->hold = false;
|
}
|
|
if (!ctx->streamon_out && !ctx->streamon_cap)
|
ctx->bit_stream_param &= ~CODA_BIT_STREAM_END_FLAG;
|
}
|
|
static const struct vb2_ops coda_qops = {
|
.queue_setup = coda_queue_setup,
|
.buf_prepare = coda_buf_prepare,
|
.buf_queue = coda_buf_queue,
|
.start_streaming = coda_start_streaming,
|
.stop_streaming = coda_stop_streaming,
|
.wait_prepare = vb2_ops_wait_prepare,
|
.wait_finish = vb2_ops_wait_finish,
|
};
|
|
static int coda_s_ctrl(struct v4l2_ctrl *ctrl)
|
{
|
const char * const *val_names = v4l2_ctrl_get_menu(ctrl->id);
|
struct coda_ctx *ctx =
|
container_of(ctrl->handler, struct coda_ctx, ctrls);
|
|
if (val_names)
|
coda_dbg(2, ctx, "s_ctrl: id = 0x%x, name = \"%s\", val = %d (\"%s\")\n",
|
ctrl->id, ctrl->name, ctrl->val, val_names[ctrl->val]);
|
else
|
coda_dbg(2, ctx, "s_ctrl: id = 0x%x, name = \"%s\", val = %d\n",
|
ctrl->id, ctrl->name, ctrl->val);
|
|
switch (ctrl->id) {
|
case V4L2_CID_HFLIP:
|
if (ctrl->val)
|
ctx->params.rot_mode |= CODA_MIR_HOR;
|
else
|
ctx->params.rot_mode &= ~CODA_MIR_HOR;
|
break;
|
case V4L2_CID_VFLIP:
|
if (ctrl->val)
|
ctx->params.rot_mode |= CODA_MIR_VER;
|
else
|
ctx->params.rot_mode &= ~CODA_MIR_VER;
|
break;
|
case V4L2_CID_MPEG_VIDEO_BITRATE:
|
ctx->params.bitrate = ctrl->val / 1000;
|
ctx->params.bitrate_changed = true;
|
break;
|
case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
|
ctx->params.gop_size = ctrl->val;
|
break;
|
case V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP:
|
ctx->params.h264_intra_qp = ctrl->val;
|
ctx->params.h264_intra_qp_changed = true;
|
break;
|
case V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP:
|
ctx->params.h264_inter_qp = ctrl->val;
|
break;
|
case V4L2_CID_MPEG_VIDEO_H264_MIN_QP:
|
ctx->params.h264_min_qp = ctrl->val;
|
break;
|
case V4L2_CID_MPEG_VIDEO_H264_MAX_QP:
|
ctx->params.h264_max_qp = ctrl->val;
|
break;
|
case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA:
|
ctx->params.h264_slice_alpha_c0_offset_div2 = ctrl->val;
|
break;
|
case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA:
|
ctx->params.h264_slice_beta_offset_div2 = ctrl->val;
|
break;
|
case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE:
|
ctx->params.h264_disable_deblocking_filter_idc = ctrl->val;
|
break;
|
case V4L2_CID_MPEG_VIDEO_H264_CONSTRAINED_INTRA_PREDICTION:
|
ctx->params.h264_constrained_intra_pred_flag = ctrl->val;
|
break;
|
case V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE:
|
ctx->params.frame_rc_enable = ctrl->val;
|
break;
|
case V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE:
|
ctx->params.mb_rc_enable = ctrl->val;
|
break;
|
case V4L2_CID_MPEG_VIDEO_H264_CHROMA_QP_INDEX_OFFSET:
|
ctx->params.h264_chroma_qp_index_offset = ctrl->val;
|
break;
|
case V4L2_CID_MPEG_VIDEO_H264_PROFILE:
|
/* TODO: switch between baseline and constrained baseline */
|
if (ctx->inst_type == CODA_INST_ENCODER)
|
ctx->params.h264_profile_idc = 66;
|
break;
|
case V4L2_CID_MPEG_VIDEO_H264_LEVEL:
|
/* nothing to do, this is set by the encoder */
|
break;
|
case V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP:
|
ctx->params.mpeg4_intra_qp = ctrl->val;
|
break;
|
case V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP:
|
ctx->params.mpeg4_inter_qp = ctrl->val;
|
break;
|
case V4L2_CID_MPEG_VIDEO_MPEG2_PROFILE:
|
case V4L2_CID_MPEG_VIDEO_MPEG2_LEVEL:
|
case V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE:
|
case V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL:
|
/* nothing to do, these are fixed */
|
break;
|
case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE:
|
ctx->params.slice_mode = ctrl->val;
|
ctx->params.slice_mode_changed = true;
|
break;
|
case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB:
|
ctx->params.slice_max_mb = ctrl->val;
|
ctx->params.slice_mode_changed = true;
|
break;
|
case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES:
|
ctx->params.slice_max_bits = ctrl->val * 8;
|
ctx->params.slice_mode_changed = true;
|
break;
|
case V4L2_CID_MPEG_VIDEO_HEADER_MODE:
|
break;
|
case V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB:
|
ctx->params.intra_refresh = ctrl->val;
|
ctx->params.intra_refresh_changed = true;
|
break;
|
case V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME:
|
ctx->params.force_ipicture = true;
|
break;
|
case V4L2_CID_JPEG_COMPRESSION_QUALITY:
|
coda_set_jpeg_compression_quality(ctx, ctrl->val);
|
break;
|
case V4L2_CID_JPEG_RESTART_INTERVAL:
|
ctx->params.jpeg_restart_interval = ctrl->val;
|
break;
|
case V4L2_CID_MPEG_VIDEO_VBV_DELAY:
|
ctx->params.vbv_delay = ctrl->val;
|
break;
|
case V4L2_CID_MPEG_VIDEO_VBV_SIZE:
|
ctx->params.vbv_size = min(ctrl->val * 8192, 0x7fffffff);
|
break;
|
default:
|
coda_dbg(1, ctx, "Invalid control, id=%d, val=%d\n",
|
ctrl->id, ctrl->val);
|
return -EINVAL;
|
}
|
|
return 0;
|
}
|
|
static const struct v4l2_ctrl_ops coda_ctrl_ops = {
|
.s_ctrl = coda_s_ctrl,
|
};
|
|
static void coda_encode_ctrls(struct coda_ctx *ctx)
|
{
|
int max_gop_size = (ctx->dev->devtype->product == CODA_DX6) ? 60 : 99;
|
|
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
|
V4L2_CID_MPEG_VIDEO_BITRATE, 0, 32767000, 1000, 0);
|
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
|
V4L2_CID_MPEG_VIDEO_GOP_SIZE, 0, max_gop_size, 1, 16);
|
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
|
V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP, 0, 51, 1, 25);
|
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
|
V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP, 0, 51, 1, 25);
|
if (ctx->dev->devtype->product != CODA_960) {
|
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
|
V4L2_CID_MPEG_VIDEO_H264_MIN_QP, 0, 51, 1, 12);
|
}
|
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
|
V4L2_CID_MPEG_VIDEO_H264_MAX_QP, 0, 51, 1, 51);
|
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
|
V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA, -6, 6, 1, 0);
|
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
|
V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA, -6, 6, 1, 0);
|
v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
|
V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE,
|
V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED_AT_SLICE_BOUNDARY,
|
0x0, V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED);
|
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
|
V4L2_CID_MPEG_VIDEO_H264_CONSTRAINED_INTRA_PREDICTION, 0, 1, 1,
|
0);
|
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
|
V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE, 0, 1, 1, 1);
|
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
|
V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE, 0, 1, 1, 1);
|
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
|
V4L2_CID_MPEG_VIDEO_H264_CHROMA_QP_INDEX_OFFSET, -12, 12, 1, 0);
|
v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
|
V4L2_CID_MPEG_VIDEO_H264_PROFILE,
|
V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE, 0x0,
|
V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE);
|
if (ctx->dev->devtype->product == CODA_HX4 ||
|
ctx->dev->devtype->product == CODA_7541) {
|
v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
|
V4L2_CID_MPEG_VIDEO_H264_LEVEL,
|
V4L2_MPEG_VIDEO_H264_LEVEL_3_1,
|
~((1 << V4L2_MPEG_VIDEO_H264_LEVEL_2_0) |
|
(1 << V4L2_MPEG_VIDEO_H264_LEVEL_3_0) |
|
(1 << V4L2_MPEG_VIDEO_H264_LEVEL_3_1)),
|
V4L2_MPEG_VIDEO_H264_LEVEL_3_1);
|
}
|
if (ctx->dev->devtype->product == CODA_960) {
|
v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
|
V4L2_CID_MPEG_VIDEO_H264_LEVEL,
|
V4L2_MPEG_VIDEO_H264_LEVEL_4_2,
|
~((1 << V4L2_MPEG_VIDEO_H264_LEVEL_1_0) |
|
(1 << V4L2_MPEG_VIDEO_H264_LEVEL_2_0) |
|
(1 << V4L2_MPEG_VIDEO_H264_LEVEL_3_0) |
|
(1 << V4L2_MPEG_VIDEO_H264_LEVEL_3_1) |
|
(1 << V4L2_MPEG_VIDEO_H264_LEVEL_3_2) |
|
(1 << V4L2_MPEG_VIDEO_H264_LEVEL_4_0) |
|
(1 << V4L2_MPEG_VIDEO_H264_LEVEL_4_1) |
|
(1 << V4L2_MPEG_VIDEO_H264_LEVEL_4_2)),
|
V4L2_MPEG_VIDEO_H264_LEVEL_4_0);
|
}
|
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
|
V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP, 1, 31, 1, 2);
|
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
|
V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP, 1, 31, 1, 2);
|
v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
|
V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE,
|
V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE, 0x0,
|
V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE);
|
if (ctx->dev->devtype->product == CODA_HX4 ||
|
ctx->dev->devtype->product == CODA_7541 ||
|
ctx->dev->devtype->product == CODA_960) {
|
v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
|
V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL,
|
V4L2_MPEG_VIDEO_MPEG4_LEVEL_5,
|
~(1 << V4L2_MPEG_VIDEO_MPEG4_LEVEL_5),
|
V4L2_MPEG_VIDEO_MPEG4_LEVEL_5);
|
}
|
v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
|
V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE,
|
V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_MAX_BYTES, 0x0,
|
V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE);
|
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
|
V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB, 1, 0x3fffffff, 1, 1);
|
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
|
V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES, 1, 0x3fffffff, 1,
|
500);
|
v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
|
V4L2_CID_MPEG_VIDEO_HEADER_MODE,
|
V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME,
|
(1 << V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE),
|
V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME);
|
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
|
V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB, 0,
|
1920 * 1088 / 256, 1, 0);
|
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
|
V4L2_CID_MPEG_VIDEO_VBV_DELAY, 0, 0x7fff, 1, 0);
|
/*
|
* The maximum VBV size value is 0x7fffffff bits,
|
* one bit less than 262144 KiB
|
*/
|
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
|
V4L2_CID_MPEG_VIDEO_VBV_SIZE, 0, 262144, 1, 0);
|
}
|
|
static void coda_jpeg_encode_ctrls(struct coda_ctx *ctx)
|
{
|
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
|
V4L2_CID_JPEG_COMPRESSION_QUALITY, 5, 100, 1, 50);
|
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
|
V4L2_CID_JPEG_RESTART_INTERVAL, 0, 100, 1, 0);
|
}
|
|
static void coda_decode_ctrls(struct coda_ctx *ctx)
|
{
|
u8 max;
|
|
ctx->h264_profile_ctrl = v4l2_ctrl_new_std_menu(&ctx->ctrls,
|
&coda_ctrl_ops, V4L2_CID_MPEG_VIDEO_H264_PROFILE,
|
V4L2_MPEG_VIDEO_H264_PROFILE_HIGH,
|
~((1 << V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE) |
|
(1 << V4L2_MPEG_VIDEO_H264_PROFILE_MAIN) |
|
(1 << V4L2_MPEG_VIDEO_H264_PROFILE_HIGH)),
|
V4L2_MPEG_VIDEO_H264_PROFILE_HIGH);
|
if (ctx->h264_profile_ctrl)
|
ctx->h264_profile_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
|
|
if (ctx->dev->devtype->product == CODA_HX4 ||
|
ctx->dev->devtype->product == CODA_7541)
|
max = V4L2_MPEG_VIDEO_H264_LEVEL_4_0;
|
else if (ctx->dev->devtype->product == CODA_960)
|
max = V4L2_MPEG_VIDEO_H264_LEVEL_4_1;
|
else
|
return;
|
ctx->h264_level_ctrl = v4l2_ctrl_new_std_menu(&ctx->ctrls,
|
&coda_ctrl_ops, V4L2_CID_MPEG_VIDEO_H264_LEVEL, max, 0, max);
|
if (ctx->h264_level_ctrl)
|
ctx->h264_level_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
|
|
ctx->mpeg2_profile_ctrl = v4l2_ctrl_new_std_menu(&ctx->ctrls,
|
&coda_ctrl_ops, V4L2_CID_MPEG_VIDEO_MPEG2_PROFILE,
|
V4L2_MPEG_VIDEO_MPEG2_PROFILE_HIGH, 0,
|
V4L2_MPEG_VIDEO_MPEG2_PROFILE_HIGH);
|
if (ctx->mpeg2_profile_ctrl)
|
ctx->mpeg2_profile_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
|
|
ctx->mpeg2_level_ctrl = v4l2_ctrl_new_std_menu(&ctx->ctrls,
|
&coda_ctrl_ops, V4L2_CID_MPEG_VIDEO_MPEG2_LEVEL,
|
V4L2_MPEG_VIDEO_MPEG2_LEVEL_HIGH, 0,
|
V4L2_MPEG_VIDEO_MPEG2_LEVEL_HIGH);
|
if (ctx->mpeg2_level_ctrl)
|
ctx->mpeg2_level_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
|
|
ctx->mpeg4_profile_ctrl = v4l2_ctrl_new_std_menu(&ctx->ctrls,
|
&coda_ctrl_ops, V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE,
|
V4L2_MPEG_VIDEO_MPEG4_PROFILE_ADVANCED_CODING_EFFICIENCY, 0,
|
V4L2_MPEG_VIDEO_MPEG4_PROFILE_ADVANCED_CODING_EFFICIENCY);
|
if (ctx->mpeg4_profile_ctrl)
|
ctx->mpeg4_profile_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
|
|
ctx->mpeg4_level_ctrl = v4l2_ctrl_new_std_menu(&ctx->ctrls,
|
&coda_ctrl_ops, V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL,
|
V4L2_MPEG_VIDEO_MPEG4_LEVEL_5, 0,
|
V4L2_MPEG_VIDEO_MPEG4_LEVEL_5);
|
if (ctx->mpeg4_level_ctrl)
|
ctx->mpeg4_level_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
|
}
|
|
static int coda_ctrls_setup(struct coda_ctx *ctx)
|
{
|
v4l2_ctrl_handler_init(&ctx->ctrls, 2);
|
|
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
|
V4L2_CID_HFLIP, 0, 1, 1, 0);
|
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
|
V4L2_CID_VFLIP, 0, 1, 1, 0);
|
if (ctx->inst_type == CODA_INST_ENCODER) {
|
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
|
V4L2_CID_MIN_BUFFERS_FOR_OUTPUT,
|
1, 1, 1, 1);
|
if (ctx->cvd->dst_formats[0] == V4L2_PIX_FMT_JPEG)
|
coda_jpeg_encode_ctrls(ctx);
|
else
|
coda_encode_ctrls(ctx);
|
} else {
|
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
|
V4L2_CID_MIN_BUFFERS_FOR_CAPTURE,
|
1, 1, 1, 1);
|
if (ctx->cvd->src_formats[0] == V4L2_PIX_FMT_H264)
|
coda_decode_ctrls(ctx);
|
}
|
|
if (ctx->ctrls.error) {
|
v4l2_err(&ctx->dev->v4l2_dev,
|
"control initialization error (%d)",
|
ctx->ctrls.error);
|
return -EINVAL;
|
}
|
|
return v4l2_ctrl_handler_setup(&ctx->ctrls);
|
}
|
|
static int coda_queue_init(struct coda_ctx *ctx, struct vb2_queue *vq)
|
{
|
vq->drv_priv = ctx;
|
vq->ops = &coda_qops;
|
vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
|
vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
|
vq->lock = &ctx->dev->dev_mutex;
|
/* One way to indicate end-of-stream for coda is to set the
|
* bytesused == 0. However by default videobuf2 handles bytesused
|
* equal to 0 as a special case and changes its value to the size
|
* of the buffer. Set the allow_zero_bytesused flag, so
|
* that videobuf2 will keep the value of bytesused intact.
|
*/
|
vq->allow_zero_bytesused = 1;
|
/*
|
* We might be fine with no buffers on some of the queues, but that
|
* would need to be reflected in job_ready(). Currently we expect all
|
* queues to have at least one buffer queued.
|
*/
|
vq->min_buffers_needed = 1;
|
vq->dev = ctx->dev->dev;
|
|
return vb2_queue_init(vq);
|
}
|
|
int coda_encoder_queue_init(void *priv, struct vb2_queue *src_vq,
|
struct vb2_queue *dst_vq)
|
{
|
int ret;
|
|
src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
|
src_vq->io_modes = VB2_DMABUF | VB2_MMAP;
|
src_vq->mem_ops = &vb2_dma_contig_memops;
|
|
ret = coda_queue_init(priv, src_vq);
|
if (ret)
|
return ret;
|
|
dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
|
dst_vq->io_modes = VB2_DMABUF | VB2_MMAP;
|
dst_vq->mem_ops = &vb2_dma_contig_memops;
|
|
return coda_queue_init(priv, dst_vq);
|
}
|
|
int coda_decoder_queue_init(void *priv, struct vb2_queue *src_vq,
|
struct vb2_queue *dst_vq)
|
{
|
int ret;
|
|
src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
|
src_vq->io_modes = VB2_DMABUF | VB2_MMAP | VB2_USERPTR;
|
src_vq->mem_ops = &vb2_vmalloc_memops;
|
|
ret = coda_queue_init(priv, src_vq);
|
if (ret)
|
return ret;
|
|
dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
|
dst_vq->io_modes = VB2_DMABUF | VB2_MMAP;
|
dst_vq->dma_attrs = DMA_ATTR_NO_KERNEL_MAPPING;
|
dst_vq->mem_ops = &vb2_dma_contig_memops;
|
|
return coda_queue_init(priv, dst_vq);
|
}
|
|
/*
|
* File operations
|
*/
|
|
static int coda_open(struct file *file)
|
{
|
struct video_device *vdev = video_devdata(file);
|
struct coda_dev *dev = video_get_drvdata(vdev);
|
struct coda_ctx *ctx;
|
unsigned int max = ~0;
|
char *name;
|
int ret;
|
int idx;
|
|
ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
|
if (!ctx)
|
return -ENOMEM;
|
|
if (dev->devtype->product == CODA_DX6)
|
max = CODADX6_MAX_INSTANCES - 1;
|
idx = ida_alloc_max(&dev->ida, max, GFP_KERNEL);
|
if (idx < 0) {
|
ret = idx;
|
goto err_coda_max;
|
}
|
|
name = kasprintf(GFP_KERNEL, "context%d", idx);
|
if (!name) {
|
ret = -ENOMEM;
|
goto err_coda_name_init;
|
}
|
|
ctx->debugfs_entry = debugfs_create_dir(name, dev->debugfs_root);
|
kfree(name);
|
|
ctx->cvd = to_coda_video_device(vdev);
|
ctx->inst_type = ctx->cvd->type;
|
ctx->ops = ctx->cvd->ops;
|
ctx->use_bit = !ctx->cvd->direct;
|
init_completion(&ctx->completion);
|
INIT_WORK(&ctx->pic_run_work, coda_pic_run_work);
|
if (ctx->ops->seq_init_work)
|
INIT_WORK(&ctx->seq_init_work, ctx->ops->seq_init_work);
|
if (ctx->ops->seq_end_work)
|
INIT_WORK(&ctx->seq_end_work, ctx->ops->seq_end_work);
|
v4l2_fh_init(&ctx->fh, video_devdata(file));
|
file->private_data = &ctx->fh;
|
v4l2_fh_add(&ctx->fh);
|
ctx->dev = dev;
|
ctx->idx = idx;
|
|
coda_dbg(1, ctx, "open instance (%p)\n", ctx);
|
|
switch (dev->devtype->product) {
|
case CODA_960:
|
/*
|
* Enabling the BWB when decoding can hang the firmware with
|
* certain streams. The issue was tracked as ENGR00293425 by
|
* Freescale. As a workaround, disable BWB for all decoders.
|
* The enable_bwb module parameter allows to override this.
|
*/
|
if (enable_bwb || ctx->inst_type == CODA_INST_ENCODER)
|
ctx->frame_mem_ctrl = CODA9_FRAME_ENABLE_BWB;
|
fallthrough;
|
case CODA_HX4:
|
case CODA_7541:
|
ctx->reg_idx = 0;
|
break;
|
default:
|
ctx->reg_idx = idx;
|
}
|
if (ctx->dev->vdoa && !disable_vdoa) {
|
ctx->vdoa = vdoa_context_create(dev->vdoa);
|
if (!ctx->vdoa)
|
v4l2_warn(&dev->v4l2_dev,
|
"Failed to create vdoa context: not using vdoa");
|
}
|
ctx->use_vdoa = false;
|
|
/* Power up and upload firmware if necessary */
|
ret = pm_runtime_get_sync(dev->dev);
|
if (ret < 0) {
|
v4l2_err(&dev->v4l2_dev, "failed to power up: %d\n", ret);
|
goto err_pm_get;
|
}
|
|
ret = clk_prepare_enable(dev->clk_per);
|
if (ret)
|
goto err_pm_get;
|
|
ret = clk_prepare_enable(dev->clk_ahb);
|
if (ret)
|
goto err_clk_ahb;
|
|
set_default_params(ctx);
|
ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(dev->m2m_dev, ctx,
|
ctx->ops->queue_init);
|
if (IS_ERR(ctx->fh.m2m_ctx)) {
|
ret = PTR_ERR(ctx->fh.m2m_ctx);
|
|
v4l2_err(&dev->v4l2_dev, "%s return error (%d)\n",
|
__func__, ret);
|
goto err_ctx_init;
|
}
|
|
ret = coda_ctrls_setup(ctx);
|
if (ret) {
|
v4l2_err(&dev->v4l2_dev, "failed to setup coda controls\n");
|
goto err_ctrls_setup;
|
}
|
|
ctx->fh.ctrl_handler = &ctx->ctrls;
|
|
mutex_init(&ctx->bitstream_mutex);
|
mutex_init(&ctx->buffer_mutex);
|
mutex_init(&ctx->wakeup_mutex);
|
INIT_LIST_HEAD(&ctx->buffer_meta_list);
|
spin_lock_init(&ctx->buffer_meta_lock);
|
|
return 0;
|
|
err_ctrls_setup:
|
v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
|
err_ctx_init:
|
clk_disable_unprepare(dev->clk_ahb);
|
err_clk_ahb:
|
clk_disable_unprepare(dev->clk_per);
|
err_pm_get:
|
pm_runtime_put_sync(dev->dev);
|
v4l2_fh_del(&ctx->fh);
|
v4l2_fh_exit(&ctx->fh);
|
err_coda_name_init:
|
ida_free(&dev->ida, ctx->idx);
|
err_coda_max:
|
kfree(ctx);
|
return ret;
|
}
|
|
static int coda_release(struct file *file)
|
{
|
struct coda_dev *dev = video_drvdata(file);
|
struct coda_ctx *ctx = fh_to_ctx(file->private_data);
|
|
coda_dbg(1, ctx, "release instance (%p)\n", ctx);
|
|
if (ctx->inst_type == CODA_INST_DECODER && ctx->use_bit)
|
coda_bit_stream_end_flag(ctx);
|
|
/* If this instance is running, call .job_abort and wait for it to end */
|
v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
|
|
if (ctx->vdoa)
|
vdoa_context_destroy(ctx->vdoa);
|
|
/* In case the instance was not running, we still need to call SEQ_END */
|
if (ctx->ops->seq_end_work) {
|
queue_work(dev->workqueue, &ctx->seq_end_work);
|
flush_work(&ctx->seq_end_work);
|
}
|
|
if (ctx->dev->devtype->product == CODA_DX6)
|
coda_free_aux_buf(dev, &ctx->workbuf);
|
|
v4l2_ctrl_handler_free(&ctx->ctrls);
|
clk_disable_unprepare(dev->clk_ahb);
|
clk_disable_unprepare(dev->clk_per);
|
pm_runtime_put_sync(dev->dev);
|
v4l2_fh_del(&ctx->fh);
|
v4l2_fh_exit(&ctx->fh);
|
ida_free(&dev->ida, ctx->idx);
|
if (ctx->ops->release)
|
ctx->ops->release(ctx);
|
debugfs_remove_recursive(ctx->debugfs_entry);
|
kfree(ctx);
|
|
return 0;
|
}
|
|
static const struct v4l2_file_operations coda_fops = {
|
.owner = THIS_MODULE,
|
.open = coda_open,
|
.release = coda_release,
|
.poll = v4l2_m2m_fop_poll,
|
.unlocked_ioctl = video_ioctl2,
|
.mmap = v4l2_m2m_fop_mmap,
|
};
|
|
static int coda_hw_init(struct coda_dev *dev)
|
{
|
u32 data;
|
u16 *p;
|
int i, ret;
|
|
ret = clk_prepare_enable(dev->clk_per);
|
if (ret)
|
goto err_clk_per;
|
|
ret = clk_prepare_enable(dev->clk_ahb);
|
if (ret)
|
goto err_clk_ahb;
|
|
reset_control_reset(dev->rstc);
|
|
/*
|
* Copy the first CODA_ISRAM_SIZE in the internal SRAM.
|
* The 16-bit chars in the code buffer are in memory access
|
* order, re-sort them to CODA order for register download.
|
* Data in this SRAM survives a reboot.
|
*/
|
p = (u16 *)dev->codebuf.vaddr;
|
if (dev->devtype->product == CODA_DX6) {
|
for (i = 0; i < (CODA_ISRAM_SIZE / 2); i++) {
|
data = CODA_DOWN_ADDRESS_SET(i) |
|
CODA_DOWN_DATA_SET(p[i ^ 1]);
|
coda_write(dev, data, CODA_REG_BIT_CODE_DOWN);
|
}
|
} else {
|
for (i = 0; i < (CODA_ISRAM_SIZE / 2); i++) {
|
data = CODA_DOWN_ADDRESS_SET(i) |
|
CODA_DOWN_DATA_SET(p[round_down(i, 4) +
|
3 - (i % 4)]);
|
coda_write(dev, data, CODA_REG_BIT_CODE_DOWN);
|
}
|
}
|
|
/* Clear registers */
|
for (i = 0; i < 64; i++)
|
coda_write(dev, 0, CODA_REG_BIT_CODE_BUF_ADDR + i * 4);
|
|
/* Tell the BIT where to find everything it needs */
|
if (dev->devtype->product == CODA_960 ||
|
dev->devtype->product == CODA_7541 ||
|
dev->devtype->product == CODA_HX4) {
|
coda_write(dev, dev->tempbuf.paddr,
|
CODA_REG_BIT_TEMP_BUF_ADDR);
|
coda_write(dev, 0, CODA_REG_BIT_BIT_STREAM_PARAM);
|
} else {
|
coda_write(dev, dev->workbuf.paddr,
|
CODA_REG_BIT_WORK_BUF_ADDR);
|
}
|
coda_write(dev, dev->codebuf.paddr,
|
CODA_REG_BIT_CODE_BUF_ADDR);
|
coda_write(dev, 0, CODA_REG_BIT_CODE_RUN);
|
|
/* Set default values */
|
switch (dev->devtype->product) {
|
case CODA_DX6:
|
coda_write(dev, CODADX6_STREAM_BUF_PIC_FLUSH,
|
CODA_REG_BIT_STREAM_CTRL);
|
break;
|
default:
|
coda_write(dev, CODA7_STREAM_BUF_PIC_FLUSH,
|
CODA_REG_BIT_STREAM_CTRL);
|
}
|
if (dev->devtype->product == CODA_960)
|
coda_write(dev, CODA9_FRAME_ENABLE_BWB,
|
CODA_REG_BIT_FRAME_MEM_CTRL);
|
else
|
coda_write(dev, 0, CODA_REG_BIT_FRAME_MEM_CTRL);
|
|
if (dev->devtype->product != CODA_DX6)
|
coda_write(dev, 0, CODA7_REG_BIT_AXI_SRAM_USE);
|
|
coda_write(dev, CODA_INT_INTERRUPT_ENABLE,
|
CODA_REG_BIT_INT_ENABLE);
|
|
/* Reset VPU and start processor */
|
data = coda_read(dev, CODA_REG_BIT_CODE_RESET);
|
data |= CODA_REG_RESET_ENABLE;
|
coda_write(dev, data, CODA_REG_BIT_CODE_RESET);
|
udelay(10);
|
data &= ~CODA_REG_RESET_ENABLE;
|
coda_write(dev, data, CODA_REG_BIT_CODE_RESET);
|
coda_write(dev, CODA_REG_RUN_ENABLE, CODA_REG_BIT_CODE_RUN);
|
|
clk_disable_unprepare(dev->clk_ahb);
|
clk_disable_unprepare(dev->clk_per);
|
|
return 0;
|
|
err_clk_ahb:
|
clk_disable_unprepare(dev->clk_per);
|
err_clk_per:
|
return ret;
|
}
|
|
static int coda_register_device(struct coda_dev *dev, int i)
|
{
|
struct video_device *vfd = &dev->vfd[i];
|
enum coda_inst_type type;
|
int ret;
|
|
if (i >= dev->devtype->num_vdevs)
|
return -EINVAL;
|
type = dev->devtype->vdevs[i]->type;
|
|
strscpy(vfd->name, dev->devtype->vdevs[i]->name, sizeof(vfd->name));
|
vfd->fops = &coda_fops;
|
vfd->ioctl_ops = &coda_ioctl_ops;
|
vfd->release = video_device_release_empty,
|
vfd->lock = &dev->dev_mutex;
|
vfd->v4l2_dev = &dev->v4l2_dev;
|
vfd->vfl_dir = VFL_DIR_M2M;
|
vfd->device_caps = V4L2_CAP_VIDEO_M2M | V4L2_CAP_STREAMING;
|
video_set_drvdata(vfd, dev);
|
|
/* Not applicable, use the selection API instead */
|
v4l2_disable_ioctl(vfd, VIDIOC_CROPCAP);
|
v4l2_disable_ioctl(vfd, VIDIOC_G_CROP);
|
v4l2_disable_ioctl(vfd, VIDIOC_S_CROP);
|
|
ret = video_register_device(vfd, VFL_TYPE_VIDEO, 0);
|
if (!ret)
|
v4l2_info(&dev->v4l2_dev, "%s registered as %s\n",
|
type == CODA_INST_ENCODER ? "encoder" : "decoder",
|
video_device_node_name(vfd));
|
return ret;
|
}
|
|
static void coda_copy_firmware(struct coda_dev *dev, const u8 * const buf,
|
size_t size)
|
{
|
u32 *src = (u32 *)buf;
|
|
/* Check if the firmware has a 16-byte Freescale header, skip it */
|
if (buf[0] == 'M' && buf[1] == 'X')
|
src += 4;
|
/*
|
* Check whether the firmware is in native order or pre-reordered for
|
* memory access. The first instruction opcode always is 0xe40e.
|
*/
|
if (__le16_to_cpup((__le16 *)src) == 0xe40e) {
|
u32 *dst = dev->codebuf.vaddr;
|
int i;
|
|
/* Firmware in native order, reorder while copying */
|
if (dev->devtype->product == CODA_DX6) {
|
for (i = 0; i < (size - 16) / 4; i++)
|
dst[i] = (src[i] << 16) | (src[i] >> 16);
|
} else {
|
for (i = 0; i < (size - 16) / 4; i += 2) {
|
dst[i] = (src[i + 1] << 16) | (src[i + 1] >> 16);
|
dst[i + 1] = (src[i] << 16) | (src[i] >> 16);
|
}
|
}
|
} else {
|
/* Copy the already reordered firmware image */
|
memcpy(dev->codebuf.vaddr, src, size);
|
}
|
}
|
|
static void coda_fw_callback(const struct firmware *fw, void *context);
|
|
static int coda_firmware_request(struct coda_dev *dev)
|
{
|
char *fw;
|
|
if (dev->firmware >= ARRAY_SIZE(dev->devtype->firmware))
|
return -EINVAL;
|
|
fw = dev->devtype->firmware[dev->firmware];
|
|
dev_dbg(dev->dev, "requesting firmware '%s' for %s\n", fw,
|
coda_product_name(dev->devtype->product));
|
|
return request_firmware_nowait(THIS_MODULE, true, fw, dev->dev,
|
GFP_KERNEL, dev, coda_fw_callback);
|
}
|
|
static void coda_fw_callback(const struct firmware *fw, void *context)
|
{
|
struct coda_dev *dev = context;
|
int i, ret;
|
|
if (!fw) {
|
dev->firmware++;
|
ret = coda_firmware_request(dev);
|
if (ret < 0) {
|
v4l2_err(&dev->v4l2_dev, "firmware request failed\n");
|
goto put_pm;
|
}
|
return;
|
}
|
if (dev->firmware > 0) {
|
/*
|
* Since we can't suppress warnings for failed asynchronous
|
* firmware requests, report that the fallback firmware was
|
* found.
|
*/
|
dev_info(dev->dev, "Using fallback firmware %s\n",
|
dev->devtype->firmware[dev->firmware]);
|
}
|
|
/* allocate auxiliary per-device code buffer for the BIT processor */
|
ret = coda_alloc_aux_buf(dev, &dev->codebuf, fw->size, "codebuf",
|
dev->debugfs_root);
|
if (ret < 0)
|
goto put_pm;
|
|
coda_copy_firmware(dev, fw->data, fw->size);
|
release_firmware(fw);
|
|
ret = coda_hw_init(dev);
|
if (ret < 0) {
|
v4l2_err(&dev->v4l2_dev, "HW initialization failed\n");
|
goto put_pm;
|
}
|
|
ret = coda_check_firmware(dev);
|
if (ret < 0)
|
goto put_pm;
|
|
dev->m2m_dev = v4l2_m2m_init(&coda_m2m_ops);
|
if (IS_ERR(dev->m2m_dev)) {
|
v4l2_err(&dev->v4l2_dev, "Failed to init mem2mem device\n");
|
goto put_pm;
|
}
|
|
for (i = 0; i < dev->devtype->num_vdevs; i++) {
|
ret = coda_register_device(dev, i);
|
if (ret) {
|
v4l2_err(&dev->v4l2_dev,
|
"Failed to register %s video device: %d\n",
|
dev->devtype->vdevs[i]->name, ret);
|
goto rel_vfd;
|
}
|
}
|
|
pm_runtime_put_sync(dev->dev);
|
return;
|
|
rel_vfd:
|
while (--i >= 0)
|
video_unregister_device(&dev->vfd[i]);
|
v4l2_m2m_release(dev->m2m_dev);
|
put_pm:
|
pm_runtime_put_sync(dev->dev);
|
}
|
|
enum coda_platform {
|
CODA_IMX27,
|
CODA_IMX51,
|
CODA_IMX53,
|
CODA_IMX6Q,
|
CODA_IMX6DL,
|
};
|
|
static const struct coda_devtype coda_devdata[] = {
|
[CODA_IMX27] = {
|
.firmware = {
|
"vpu_fw_imx27_TO2.bin",
|
"vpu/vpu_fw_imx27_TO2.bin",
|
"v4l-codadx6-imx27.bin"
|
},
|
.product = CODA_DX6,
|
.codecs = codadx6_codecs,
|
.num_codecs = ARRAY_SIZE(codadx6_codecs),
|
.vdevs = codadx6_video_devices,
|
.num_vdevs = ARRAY_SIZE(codadx6_video_devices),
|
.workbuf_size = 288 * 1024 + FMO_SLICE_SAVE_BUF_SIZE * 8 * 1024,
|
.iram_size = 0xb000,
|
},
|
[CODA_IMX51] = {
|
.firmware = {
|
"vpu_fw_imx51.bin",
|
"vpu/vpu_fw_imx51.bin",
|
"v4l-codahx4-imx51.bin"
|
},
|
.product = CODA_HX4,
|
.codecs = codahx4_codecs,
|
.num_codecs = ARRAY_SIZE(codahx4_codecs),
|
.vdevs = codahx4_video_devices,
|
.num_vdevs = ARRAY_SIZE(codahx4_video_devices),
|
.workbuf_size = 128 * 1024,
|
.tempbuf_size = 304 * 1024,
|
.iram_size = 0x14000,
|
},
|
[CODA_IMX53] = {
|
.firmware = {
|
"vpu_fw_imx53.bin",
|
"vpu/vpu_fw_imx53.bin",
|
"v4l-coda7541-imx53.bin"
|
},
|
.product = CODA_7541,
|
.codecs = coda7_codecs,
|
.num_codecs = ARRAY_SIZE(coda7_codecs),
|
.vdevs = coda7_video_devices,
|
.num_vdevs = ARRAY_SIZE(coda7_video_devices),
|
.workbuf_size = 128 * 1024,
|
.tempbuf_size = 304 * 1024,
|
.iram_size = 0x14000,
|
},
|
[CODA_IMX6Q] = {
|
.firmware = {
|
"vpu_fw_imx6q.bin",
|
"vpu/vpu_fw_imx6q.bin",
|
"v4l-coda960-imx6q.bin"
|
},
|
.product = CODA_960,
|
.codecs = coda9_codecs,
|
.num_codecs = ARRAY_SIZE(coda9_codecs),
|
.vdevs = coda9_video_devices,
|
.num_vdevs = ARRAY_SIZE(coda9_video_devices),
|
.workbuf_size = 80 * 1024,
|
.tempbuf_size = 204 * 1024,
|
.iram_size = 0x21000,
|
},
|
[CODA_IMX6DL] = {
|
.firmware = {
|
"vpu_fw_imx6d.bin",
|
"vpu/vpu_fw_imx6d.bin",
|
"v4l-coda960-imx6dl.bin"
|
},
|
.product = CODA_960,
|
.codecs = coda9_codecs,
|
.num_codecs = ARRAY_SIZE(coda9_codecs),
|
.vdevs = coda9_video_devices,
|
.num_vdevs = ARRAY_SIZE(coda9_video_devices),
|
.workbuf_size = 80 * 1024,
|
.tempbuf_size = 204 * 1024,
|
.iram_size = 0x1f000, /* leave 4k for suspend code */
|
},
|
};
|
|
static const struct platform_device_id coda_platform_ids[] = {
|
{ .name = "coda-imx27", .driver_data = CODA_IMX27 },
|
{ /* sentinel */ }
|
};
|
MODULE_DEVICE_TABLE(platform, coda_platform_ids);
|
|
#ifdef CONFIG_OF
|
static const struct of_device_id coda_dt_ids[] = {
|
{ .compatible = "fsl,imx27-vpu", .data = &coda_devdata[CODA_IMX27] },
|
{ .compatible = "fsl,imx51-vpu", .data = &coda_devdata[CODA_IMX51] },
|
{ .compatible = "fsl,imx53-vpu", .data = &coda_devdata[CODA_IMX53] },
|
{ .compatible = "fsl,imx6q-vpu", .data = &coda_devdata[CODA_IMX6Q] },
|
{ .compatible = "fsl,imx6dl-vpu", .data = &coda_devdata[CODA_IMX6DL] },
|
{ /* sentinel */ }
|
};
|
MODULE_DEVICE_TABLE(of, coda_dt_ids);
|
#endif
|
|
static int coda_probe(struct platform_device *pdev)
|
{
|
const struct of_device_id *of_id =
|
of_match_device(of_match_ptr(coda_dt_ids), &pdev->dev);
|
const struct platform_device_id *pdev_id;
|
struct coda_platform_data *pdata = pdev->dev.platform_data;
|
struct device_node *np = pdev->dev.of_node;
|
struct gen_pool *pool;
|
struct coda_dev *dev;
|
int ret, irq;
|
|
dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL);
|
if (!dev)
|
return -ENOMEM;
|
|
pdev_id = of_id ? of_id->data : platform_get_device_id(pdev);
|
|
if (of_id)
|
dev->devtype = of_id->data;
|
else if (pdev_id)
|
dev->devtype = &coda_devdata[pdev_id->driver_data];
|
else
|
return -EINVAL;
|
|
dev->dev = &pdev->dev;
|
dev->clk_per = devm_clk_get(&pdev->dev, "per");
|
if (IS_ERR(dev->clk_per)) {
|
dev_err(&pdev->dev, "Could not get per clock\n");
|
return PTR_ERR(dev->clk_per);
|
}
|
|
dev->clk_ahb = devm_clk_get(&pdev->dev, "ahb");
|
if (IS_ERR(dev->clk_ahb)) {
|
dev_err(&pdev->dev, "Could not get ahb clock\n");
|
return PTR_ERR(dev->clk_ahb);
|
}
|
|
/* Get memory for physical registers */
|
dev->regs_base = devm_platform_ioremap_resource(pdev, 0);
|
if (IS_ERR(dev->regs_base))
|
return PTR_ERR(dev->regs_base);
|
|
/* IRQ */
|
irq = platform_get_irq_byname(pdev, "bit");
|
if (irq < 0)
|
irq = platform_get_irq(pdev, 0);
|
if (irq < 0)
|
return irq;
|
|
ret = devm_request_irq(&pdev->dev, irq, coda_irq_handler, 0,
|
dev_name(&pdev->dev), dev);
|
if (ret < 0) {
|
dev_err(&pdev->dev, "failed to request irq: %d\n", ret);
|
return ret;
|
}
|
|
/* JPEG IRQ */
|
if (dev->devtype->product == CODA_960) {
|
irq = platform_get_irq_byname(pdev, "jpeg");
|
if (irq < 0)
|
return irq;
|
|
ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
|
coda9_jpeg_irq_handler,
|
IRQF_ONESHOT, CODA_NAME " jpeg",
|
dev);
|
if (ret < 0) {
|
dev_err(&pdev->dev, "failed to request jpeg irq\n");
|
return ret;
|
}
|
}
|
|
dev->rstc = devm_reset_control_get_optional_exclusive(&pdev->dev,
|
NULL);
|
if (IS_ERR(dev->rstc)) {
|
ret = PTR_ERR(dev->rstc);
|
dev_err(&pdev->dev, "failed get reset control: %d\n", ret);
|
return ret;
|
}
|
|
/* Get IRAM pool from device tree or platform data */
|
pool = of_gen_pool_get(np, "iram", 0);
|
if (!pool && pdata)
|
pool = gen_pool_get(pdata->iram_dev, NULL);
|
if (!pool) {
|
dev_err(&pdev->dev, "iram pool not available\n");
|
return -ENOMEM;
|
}
|
dev->iram_pool = pool;
|
|
/* Get vdoa_data if supported by the platform */
|
dev->vdoa = coda_get_vdoa_data();
|
if (PTR_ERR(dev->vdoa) == -EPROBE_DEFER)
|
return -EPROBE_DEFER;
|
|
ret = v4l2_device_register(&pdev->dev, &dev->v4l2_dev);
|
if (ret)
|
return ret;
|
|
mutex_init(&dev->dev_mutex);
|
mutex_init(&dev->coda_mutex);
|
ida_init(&dev->ida);
|
|
dev->debugfs_root = debugfs_create_dir("coda", NULL);
|
|
/* allocate auxiliary per-device buffers for the BIT processor */
|
if (dev->devtype->product == CODA_DX6) {
|
ret = coda_alloc_aux_buf(dev, &dev->workbuf,
|
dev->devtype->workbuf_size, "workbuf",
|
dev->debugfs_root);
|
if (ret < 0)
|
goto err_v4l2_register;
|
}
|
|
if (dev->devtype->tempbuf_size) {
|
ret = coda_alloc_aux_buf(dev, &dev->tempbuf,
|
dev->devtype->tempbuf_size, "tempbuf",
|
dev->debugfs_root);
|
if (ret < 0)
|
goto err_v4l2_register;
|
}
|
|
dev->iram.size = dev->devtype->iram_size;
|
dev->iram.vaddr = gen_pool_dma_alloc(dev->iram_pool, dev->iram.size,
|
&dev->iram.paddr);
|
if (!dev->iram.vaddr) {
|
dev_warn(&pdev->dev, "unable to alloc iram\n");
|
} else {
|
memset(dev->iram.vaddr, 0, dev->iram.size);
|
dev->iram.blob.data = dev->iram.vaddr;
|
dev->iram.blob.size = dev->iram.size;
|
dev->iram.dentry = debugfs_create_blob("iram", 0644,
|
dev->debugfs_root,
|
&dev->iram.blob);
|
}
|
|
dev->workqueue = alloc_workqueue("coda", WQ_UNBOUND | WQ_MEM_RECLAIM, 1);
|
if (!dev->workqueue) {
|
dev_err(&pdev->dev, "unable to alloc workqueue\n");
|
ret = -ENOMEM;
|
goto err_v4l2_register;
|
}
|
|
platform_set_drvdata(pdev, dev);
|
|
/*
|
* Start activated so we can directly call coda_hw_init in
|
* coda_fw_callback regardless of whether CONFIG_PM is
|
* enabled or whether the device is associated with a PM domain.
|
*/
|
pm_runtime_get_noresume(&pdev->dev);
|
pm_runtime_set_active(&pdev->dev);
|
pm_runtime_enable(&pdev->dev);
|
|
ret = coda_firmware_request(dev);
|
if (ret)
|
goto err_alloc_workqueue;
|
return 0;
|
|
err_alloc_workqueue:
|
pm_runtime_disable(&pdev->dev);
|
pm_runtime_put_noidle(&pdev->dev);
|
destroy_workqueue(dev->workqueue);
|
err_v4l2_register:
|
v4l2_device_unregister(&dev->v4l2_dev);
|
return ret;
|
}
|
|
static int coda_remove(struct platform_device *pdev)
|
{
|
struct coda_dev *dev = platform_get_drvdata(pdev);
|
int i;
|
|
for (i = 0; i < ARRAY_SIZE(dev->vfd); i++) {
|
if (video_get_drvdata(&dev->vfd[i]))
|
video_unregister_device(&dev->vfd[i]);
|
}
|
if (dev->m2m_dev)
|
v4l2_m2m_release(dev->m2m_dev);
|
pm_runtime_disable(&pdev->dev);
|
v4l2_device_unregister(&dev->v4l2_dev);
|
destroy_workqueue(dev->workqueue);
|
if (dev->iram.vaddr)
|
gen_pool_free(dev->iram_pool, (unsigned long)dev->iram.vaddr,
|
dev->iram.size);
|
coda_free_aux_buf(dev, &dev->codebuf);
|
coda_free_aux_buf(dev, &dev->tempbuf);
|
coda_free_aux_buf(dev, &dev->workbuf);
|
debugfs_remove_recursive(dev->debugfs_root);
|
ida_destroy(&dev->ida);
|
return 0;
|
}
|
|
#ifdef CONFIG_PM
|
static int coda_runtime_resume(struct device *dev)
|
{
|
struct coda_dev *cdev = dev_get_drvdata(dev);
|
int ret = 0;
|
|
if (dev->pm_domain && cdev->codebuf.vaddr) {
|
ret = coda_hw_init(cdev);
|
if (ret)
|
v4l2_err(&cdev->v4l2_dev, "HW initialization failed\n");
|
}
|
|
return ret;
|
}
|
#endif
|
|
static const struct dev_pm_ops coda_pm_ops = {
|
SET_RUNTIME_PM_OPS(NULL, coda_runtime_resume, NULL)
|
};
|
|
static struct platform_driver coda_driver = {
|
.probe = coda_probe,
|
.remove = coda_remove,
|
.driver = {
|
.name = CODA_NAME,
|
.of_match_table = of_match_ptr(coda_dt_ids),
|
.pm = &coda_pm_ops,
|
},
|
.id_table = coda_platform_ids,
|
};
|
|
module_platform_driver(coda_driver);
|
|
MODULE_LICENSE("GPL");
|
MODULE_AUTHOR("Javier Martin <javier.martin@vista-silicon.com>");
|
MODULE_DESCRIPTION("Coda multi-standard codec V4L2 driver");
|
