mirror of https://gitee.com/openkylin/linux.git
media: platform: Add jpeg enc feature
Add mtk jpeg encode v4l2 driver based on jpeg decode, because that jpeg decode and encode have great similarities with function operation. Reviewed-by: Tomasz Figa <tfiga@chromium.org> Signed-off-by: Xia Jiang <xia.jiang@mediatek.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Xia Jiang
Mauro Carvalho Chehab
parent
b4a82f5d15
commit
45f13a57d8
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@ -1,3 +1,6 @@
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# SPDX-License-Identifier: GPL-2.0-only
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mtk_jpeg-objs := mtk_jpeg_core.o mtk_jpeg_dec_hw.o mtk_jpeg_dec_parse.o
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mtk_jpeg-objs := mtk_jpeg_core.o \
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mtk_jpeg_dec_hw.o \
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mtk_jpeg_dec_parse.o \
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mtk_jpeg_enc_hw.o
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obj-$(CONFIG_VIDEO_MEDIATEK_JPEG) += mtk_jpeg.o
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@ -3,6 +3,7 @@
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* Copyright (c) 2016 MediaTek Inc.
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* Author: Ming Hsiu Tsai <minghsiu.tsai@mediatek.com>
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* Rick Chang <rick.chang@mediatek.com>
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* Xia Jiang <xia.jiang@mediatek.com>
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*/
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#include <linux/clk.h>
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@ -23,10 +24,59 @@
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#include <media/videobuf2-dma-contig.h>
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#include <soc/mediatek/smi.h>
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#include "mtk_jpeg_enc_hw.h"
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#include "mtk_jpeg_dec_hw.h"
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#include "mtk_jpeg_core.h"
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#include "mtk_jpeg_dec_parse.h"
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static struct mtk_jpeg_fmt mtk_jpeg_enc_formats[] = {
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{
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.fourcc = V4L2_PIX_FMT_JPEG,
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.colplanes = 1,
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.flags = MTK_JPEG_FMT_FLAG_CAPTURE,
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},
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{
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.fourcc = V4L2_PIX_FMT_NV12M,
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.hw_format = JPEG_ENC_YUV_FORMAT_NV12,
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.h_sample = {4, 4},
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.v_sample = {4, 2},
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.colplanes = 2,
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.h_align = 4,
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.v_align = 4,
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.flags = MTK_JPEG_FMT_FLAG_OUTPUT,
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},
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{
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.fourcc = V4L2_PIX_FMT_NV21M,
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.hw_format = JEPG_ENC_YUV_FORMAT_NV21,
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.h_sample = {4, 4},
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.v_sample = {4, 2},
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.colplanes = 2,
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.h_align = 4,
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.v_align = 4,
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.flags = MTK_JPEG_FMT_FLAG_OUTPUT,
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},
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{
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.fourcc = V4L2_PIX_FMT_YUYV,
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.hw_format = JPEG_ENC_YUV_FORMAT_YUYV,
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.h_sample = {8},
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.v_sample = {4},
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.colplanes = 1,
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.h_align = 5,
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.v_align = 3,
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.flags = MTK_JPEG_FMT_FLAG_OUTPUT,
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},
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{
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.fourcc = V4L2_PIX_FMT_YVYU,
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.hw_format = JPEG_ENC_YUV_FORMAT_YVYU,
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.h_sample = {8},
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.v_sample = {4},
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.colplanes = 1,
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.h_align = 5,
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.v_align = 3,
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.flags = MTK_JPEG_FMT_FLAG_OUTPUT,
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},
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};
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static struct mtk_jpeg_fmt mtk_jpeg_dec_formats[] = {
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{
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.fourcc = V4L2_PIX_FMT_JPEG,
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@ -53,6 +103,7 @@ static struct mtk_jpeg_fmt mtk_jpeg_dec_formats[] = {
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},
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};
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#define MTK_JPEG_ENC_NUM_FORMATS ARRAY_SIZE(mtk_jpeg_enc_formats)
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#define MTK_JPEG_DEC_NUM_FORMATS ARRAY_SIZE(mtk_jpeg_dec_formats)
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struct mtk_jpeg_src_buf {
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@ -64,6 +115,11 @@ struct mtk_jpeg_src_buf {
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static int debug;
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module_param(debug, int, 0644);
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static inline struct mtk_jpeg_ctx *ctrl_to_ctx(struct v4l2_ctrl *ctrl)
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{
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return container_of(ctrl->handler, struct mtk_jpeg_ctx, ctrl_hdl);
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}
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static inline struct mtk_jpeg_ctx *mtk_jpeg_fh_to_ctx(struct v4l2_fh *fh)
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{
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return container_of(fh, struct mtk_jpeg_ctx, fh);
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@ -88,6 +144,53 @@ static int mtk_jpeg_querycap(struct file *file, void *priv,
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return 0;
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}
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static int vidioc_jpeg_enc_s_ctrl(struct v4l2_ctrl *ctrl)
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{
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struct mtk_jpeg_ctx *ctx = ctrl_to_ctx(ctrl);
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switch (ctrl->id) {
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case V4L2_CID_JPEG_RESTART_INTERVAL:
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ctx->restart_interval = ctrl->val;
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break;
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case V4L2_CID_JPEG_COMPRESSION_QUALITY:
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ctx->enc_quality = ctrl->val;
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break;
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case V4L2_CID_JPEG_ACTIVE_MARKER:
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ctx->enable_exif = ctrl->val & V4L2_JPEG_ACTIVE_MARKER_APP1;
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break;
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}
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return 0;
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}
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static const struct v4l2_ctrl_ops mtk_jpeg_enc_ctrl_ops = {
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.s_ctrl = vidioc_jpeg_enc_s_ctrl,
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};
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static int mtk_jpeg_enc_ctrls_setup(struct mtk_jpeg_ctx *ctx)
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{
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const struct v4l2_ctrl_ops *ops = &mtk_jpeg_enc_ctrl_ops;
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struct v4l2_ctrl_handler *handler = &ctx->ctrl_hdl;
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v4l2_ctrl_handler_init(handler, 3);
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v4l2_ctrl_new_std(handler, ops, V4L2_CID_JPEG_RESTART_INTERVAL, 0, 100,
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1, 0);
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v4l2_ctrl_new_std(handler, ops, V4L2_CID_JPEG_COMPRESSION_QUALITY, 48,
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100, 1, 90);
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v4l2_ctrl_new_std(handler, ops, V4L2_CID_JPEG_ACTIVE_MARKER, 0,
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V4L2_JPEG_ACTIVE_MARKER_APP1, 0, 0);
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if (handler->error) {
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v4l2_ctrl_handler_free(&ctx->ctrl_hdl);
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return handler->error;
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}
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v4l2_ctrl_handler_setup(&ctx->ctrl_hdl);
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return 0;
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}
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static int mtk_jpeg_enum_fmt(struct mtk_jpeg_fmt *mtk_jpeg_formats, int n,
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struct v4l2_fmtdesc *f, u32 type)
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{
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@ -331,6 +434,8 @@ static int mtk_jpeg_s_fmt_mplane(struct mtk_jpeg_ctx *ctx,
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pix_mp->pixelformat, fmt_type);
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q_data->pix_mp.width = pix_mp->width;
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q_data->pix_mp.height = pix_mp->height;
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q_data->enc_crop_rect.width = pix_mp->width;
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q_data->enc_crop_rect.height = pix_mp->height;
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q_data->pix_mp.colorspace = V4L2_COLORSPACE_SRGB;
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q_data->pix_mp.ycbcr_enc = V4L2_YCBCR_ENC_601;
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q_data->pix_mp.xfer_func = V4L2_XFER_FUNC_SRGB;
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@ -407,6 +512,31 @@ static int mtk_jpeg_subscribe_event(struct v4l2_fh *fh,
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return v4l2_ctrl_subscribe_event(fh, sub);
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}
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static int mtk_jpeg_enc_g_selection(struct file *file, void *priv,
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struct v4l2_selection *s)
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{
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struct mtk_jpeg_ctx *ctx = mtk_jpeg_fh_to_ctx(priv);
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if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
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return -EINVAL;
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switch (s->target) {
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case V4L2_SEL_TGT_CROP:
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s->r = ctx->out_q.enc_crop_rect;
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break;
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case V4L2_SEL_TGT_CROP_BOUNDS:
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case V4L2_SEL_TGT_CROP_DEFAULT:
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s->r.width = ctx->out_q.pix_mp.width;
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s->r.height = ctx->out_q.pix_mp.height;
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s->r.left = 0;
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s->r.top = 0;
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break;
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default:
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return -EINVAL;
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}
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return 0;
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}
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static int mtk_jpeg_dec_g_selection(struct file *file, void *priv,
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struct v4l2_selection *s)
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{
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@ -436,6 +566,56 @@ static int mtk_jpeg_dec_g_selection(struct file *file, void *priv,
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return 0;
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}
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static int mtk_jpeg_enc_s_selection(struct file *file, void *priv,
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struct v4l2_selection *s)
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{
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struct mtk_jpeg_ctx *ctx = mtk_jpeg_fh_to_ctx(priv);
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if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
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return -EINVAL;
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switch (s->target) {
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case V4L2_SEL_TGT_CROP:
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s->r.left = 0;
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s->r.top = 0;
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s->r.width = min(s->r.width, ctx->out_q.pix_mp.width);
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s->r.height = min(s->r.height, ctx->out_q.pix_mp.height);
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ctx->out_q.enc_crop_rect = s->r;
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break;
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default:
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return -EINVAL;
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}
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return 0;
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}
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static const struct v4l2_ioctl_ops mtk_jpeg_enc_ioctl_ops = {
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.vidioc_querycap = mtk_jpeg_querycap,
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.vidioc_enum_fmt_vid_cap = mtk_jpeg_enum_fmt_vid_cap,
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.vidioc_enum_fmt_vid_out = mtk_jpeg_enum_fmt_vid_out,
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.vidioc_try_fmt_vid_cap_mplane = mtk_jpeg_try_fmt_vid_cap_mplane,
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.vidioc_try_fmt_vid_out_mplane = mtk_jpeg_try_fmt_vid_out_mplane,
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.vidioc_g_fmt_vid_cap_mplane = mtk_jpeg_g_fmt_vid_mplane,
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.vidioc_g_fmt_vid_out_mplane = mtk_jpeg_g_fmt_vid_mplane,
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.vidioc_s_fmt_vid_cap_mplane = mtk_jpeg_s_fmt_vid_cap_mplane,
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.vidioc_s_fmt_vid_out_mplane = mtk_jpeg_s_fmt_vid_out_mplane,
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.vidioc_qbuf = v4l2_m2m_ioctl_qbuf,
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.vidioc_subscribe_event = mtk_jpeg_subscribe_event,
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.vidioc_g_selection = mtk_jpeg_enc_g_selection,
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.vidioc_s_selection = mtk_jpeg_enc_s_selection,
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.vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
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.vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
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.vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
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.vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
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.vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
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.vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
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.vidioc_streamon = v4l2_m2m_ioctl_streamon,
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.vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
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.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
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};
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static const struct v4l2_ioctl_ops mtk_jpeg_dec_ioctl_ops = {
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.vidioc_querycap = mtk_jpeg_querycap,
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.vidioc_enum_fmt_vid_cap = mtk_jpeg_enum_fmt_vid_cap,
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@ -501,15 +681,22 @@ static int mtk_jpeg_buf_prepare(struct vb2_buffer *vb)
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{
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struct mtk_jpeg_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
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struct mtk_jpeg_q_data *q_data = NULL;
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struct v4l2_plane_pix_format plane_fmt = {};
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int i;
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q_data = mtk_jpeg_get_q_data(ctx, vb->vb2_queue->type);
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if (!q_data)
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return -EINVAL;
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for (i = 0; i < q_data->fmt->colplanes; i++)
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vb2_set_plane_payload(vb, i,
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q_data->pix_mp.plane_fmt[i].sizeimage);
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for (i = 0; i < q_data->fmt->colplanes; i++) {
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plane_fmt = q_data->pix_mp.plane_fmt[i];
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if (ctx->enable_exif &&
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q_data->fmt->fourcc == V4L2_PIX_FMT_JPEG)
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vb2_set_plane_payload(vb, i, plane_fmt.sizeimage +
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MTK_JPEG_MAX_EXIF_SIZE);
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else
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vb2_set_plane_payload(vb, i, plane_fmt.sizeimage);
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}
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return 0;
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}
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@ -572,6 +759,17 @@ static void mtk_jpeg_set_queue_data(struct mtk_jpeg_ctx *ctx,
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param->dec_w, param->dec_h);
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}
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static void mtk_jpeg_enc_buf_queue(struct vb2_buffer *vb)
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{
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struct mtk_jpeg_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
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struct mtk_jpeg_dev *jpeg = ctx->jpeg;
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v4l2_dbg(2, debug, &jpeg->v4l2_dev, "(%d) buf_q id=%d, vb=%p\n",
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vb->vb2_queue->type, vb->index, vb);
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v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, to_vb2_v4l2_buffer(vb));
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}
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static void mtk_jpeg_dec_buf_queue(struct vb2_buffer *vb)
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{
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struct mtk_jpeg_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
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@ -620,6 +818,15 @@ static struct vb2_v4l2_buffer *mtk_jpeg_buf_remove(struct mtk_jpeg_ctx *ctx,
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return v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
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}
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static void mtk_jpeg_enc_stop_streaming(struct vb2_queue *q)
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{
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struct mtk_jpeg_ctx *ctx = vb2_get_drv_priv(q);
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struct vb2_v4l2_buffer *vb;
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while ((vb = mtk_jpeg_buf_remove(ctx, q->type)))
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v4l2_m2m_buf_done(vb, VB2_BUF_STATE_ERROR);
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}
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static void mtk_jpeg_dec_stop_streaming(struct vb2_queue *q)
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{
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struct mtk_jpeg_ctx *ctx = vb2_get_drv_priv(q);
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@ -655,6 +862,15 @@ static const struct vb2_ops mtk_jpeg_dec_qops = {
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.stop_streaming = mtk_jpeg_dec_stop_streaming,
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};
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static const struct vb2_ops mtk_jpeg_enc_qops = {
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.queue_setup = mtk_jpeg_queue_setup,
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.buf_prepare = mtk_jpeg_buf_prepare,
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.buf_queue = mtk_jpeg_enc_buf_queue,
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.wait_prepare = vb2_ops_wait_prepare,
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.wait_finish = vb2_ops_wait_finish,
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.stop_streaming = mtk_jpeg_enc_stop_streaming,
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};
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static void mtk_jpeg_set_dec_src(struct mtk_jpeg_ctx *ctx,
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struct vb2_buffer *src_buf,
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struct mtk_jpeg_bs *bs)
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@ -692,6 +908,48 @@ static int mtk_jpeg_set_dec_dst(struct mtk_jpeg_ctx *ctx,
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return 0;
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}
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static void mtk_jpeg_enc_device_run(void *priv)
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{
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struct mtk_jpeg_ctx *ctx = priv;
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struct mtk_jpeg_dev *jpeg = ctx->jpeg;
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struct vb2_v4l2_buffer *src_buf, *dst_buf;
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enum vb2_buffer_state buf_state = VB2_BUF_STATE_ERROR;
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unsigned long flags;
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int ret;
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src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
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dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
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ret = pm_runtime_get_sync(jpeg->dev);
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if (ret < 0)
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goto enc_end;
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schedule_delayed_work(&jpeg->job_timeout_work,
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msecs_to_jiffies(MTK_JPEG_HW_TIMEOUT_MSEC));
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spin_lock_irqsave(&jpeg->hw_lock, flags);
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/*
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* Resetting the hardware every frame is to ensure that all the
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* registers are cleared. This is a hardware requirement.
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*/
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mtk_jpeg_enc_reset(jpeg->reg_base);
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mtk_jpeg_set_enc_src(ctx, jpeg->reg_base, &src_buf->vb2_buf);
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mtk_jpeg_set_enc_dst(ctx, jpeg->reg_base, &dst_buf->vb2_buf);
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mtk_jpeg_set_enc_params(ctx, jpeg->reg_base);
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mtk_jpeg_enc_start(jpeg->reg_base);
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spin_unlock_irqrestore(&jpeg->hw_lock, flags);
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return;
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enc_end:
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v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
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v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
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v4l2_m2m_buf_done(src_buf, buf_state);
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v4l2_m2m_buf_done(dst_buf, buf_state);
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v4l2_m2m_job_finish(jpeg->m2m_dev, ctx->fh.m2m_ctx);
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}
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static void mtk_jpeg_dec_device_run(void *priv)
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{
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struct mtk_jpeg_ctx *ctx = priv;
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@ -750,6 +1008,10 @@ static int mtk_jpeg_dec_job_ready(void *priv)
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return (ctx->state == MTK_JPEG_RUNNING) ? 1 : 0;
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}
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||||
static const struct v4l2_m2m_ops mtk_jpeg_enc_m2m_ops = {
|
||||
.device_run = mtk_jpeg_enc_device_run,
|
||||
};
|
||||
|
||||
static const struct v4l2_m2m_ops mtk_jpeg_dec_m2m_ops = {
|
||||
.device_run = mtk_jpeg_dec_device_run,
|
||||
.job_ready = mtk_jpeg_dec_job_ready,
|
||||
|
|
@ -810,6 +1072,54 @@ static void mtk_jpeg_clk_off(struct mtk_jpeg_dev *jpeg)
|
|||
mtk_smi_larb_put(jpeg->larb);
|
||||
}
|
||||
|
||||
static irqreturn_t mtk_jpeg_enc_done(struct mtk_jpeg_dev *jpeg)
|
||||
{
|
||||
struct mtk_jpeg_ctx *ctx;
|
||||
struct vb2_v4l2_buffer *src_buf, *dst_buf;
|
||||
enum vb2_buffer_state buf_state = VB2_BUF_STATE_ERROR;
|
||||
u32 result_size;
|
||||
|
||||
ctx = v4l2_m2m_get_curr_priv(jpeg->m2m_dev);
|
||||
if (!ctx) {
|
||||
v4l2_err(&jpeg->v4l2_dev, "Context is NULL\n");
|
||||
return IRQ_HANDLED;
|
||||
}
|
||||
|
||||
src_buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
|
||||
dst_buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
|
||||
|
||||
result_size = mtk_jpeg_enc_get_file_size(jpeg->reg_base);
|
||||
vb2_set_plane_payload(&dst_buf->vb2_buf, 0, result_size);
|
||||
|
||||
buf_state = VB2_BUF_STATE_DONE;
|
||||
|
||||
v4l2_m2m_buf_done(src_buf, buf_state);
|
||||
v4l2_m2m_buf_done(dst_buf, buf_state);
|
||||
v4l2_m2m_job_finish(jpeg->m2m_dev, ctx->fh.m2m_ctx);
|
||||
pm_runtime_put(ctx->jpeg->dev);
|
||||
return IRQ_HANDLED;
|
||||
}
|
||||
|
||||
static irqreturn_t mtk_jpeg_enc_irq(int irq, void *priv)
|
||||
{
|
||||
struct mtk_jpeg_dev *jpeg = priv;
|
||||
u32 irq_status;
|
||||
irqreturn_t ret = IRQ_NONE;
|
||||
|
||||
cancel_delayed_work(&jpeg->job_timeout_work);
|
||||
|
||||
irq_status = readl(jpeg->reg_base + JPEG_ENC_INT_STS) &
|
||||
JPEG_ENC_INT_STATUS_MASK_ALLIRQ;
|
||||
if (irq_status)
|
||||
writel(0, jpeg->reg_base + JPEG_ENC_INT_STS);
|
||||
|
||||
if (!(irq_status & JPEG_ENC_INT_STATUS_DONE))
|
||||
return ret;
|
||||
|
||||
ret = mtk_jpeg_enc_done(jpeg);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static irqreturn_t mtk_jpeg_dec_irq(int irq, void *priv)
|
||||
{
|
||||
struct mtk_jpeg_dev *jpeg = priv;
|
||||
|
|
@ -862,6 +1172,7 @@ static void mtk_jpeg_set_default_params(struct mtk_jpeg_ctx *ctx)
|
|||
struct mtk_jpeg_q_data *q = &ctx->out_q;
|
||||
struct mtk_jpeg_dev *jpeg = ctx->jpeg;
|
||||
|
||||
ctx->fh.ctrl_handler = &ctx->ctrl_hdl;
|
||||
q->pix_mp.colorspace = V4L2_COLORSPACE_SRGB;
|
||||
q->pix_mp.ycbcr_enc = V4L2_YCBCR_ENC_601;
|
||||
q->pix_mp.quantization = V4L2_QUANTIZATION_FULL_RANGE;
|
||||
|
|
@ -918,6 +1229,15 @@ static int mtk_jpeg_open(struct file *file)
|
|||
goto error;
|
||||
}
|
||||
|
||||
if (jpeg->variant->cap_q_default_fourcc == V4L2_PIX_FMT_JPEG) {
|
||||
ret = mtk_jpeg_enc_ctrls_setup(ctx);
|
||||
if (ret) {
|
||||
v4l2_err(&jpeg->v4l2_dev, "Failed to setup jpeg enc controls\n");
|
||||
goto error;
|
||||
}
|
||||
} else {
|
||||
v4l2_ctrl_handler_init(&ctx->ctrl_hdl, 0);
|
||||
}
|
||||
mtk_jpeg_set_default_params(ctx);
|
||||
mutex_unlock(&jpeg->lock);
|
||||
return 0;
|
||||
|
|
@ -938,6 +1258,7 @@ static int mtk_jpeg_release(struct file *file)
|
|||
|
||||
mutex_lock(&jpeg->lock);
|
||||
v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
|
||||
v4l2_ctrl_handler_free(&ctx->ctrl_hdl);
|
||||
v4l2_fh_del(&ctx->fh);
|
||||
v4l2_fh_exit(&ctx->fh);
|
||||
kfree(ctx);
|
||||
|
|
@ -959,6 +1280,10 @@ static struct clk_bulk_data mt8173_jpeg_dec_clocks[] = {
|
|||
{ .id = "jpgdec" },
|
||||
};
|
||||
|
||||
static struct clk_bulk_data mtk_jpeg_clocks[] = {
|
||||
{ .id = "jpgenc" },
|
||||
};
|
||||
|
||||
static int mtk_jpeg_clk_init(struct mtk_jpeg_dev *jpeg)
|
||||
{
|
||||
struct device_node *node;
|
||||
|
|
@ -1190,6 +1515,21 @@ static const struct mtk_jpeg_variant mt8173_jpeg_drvdata = {
|
|||
.cap_q_default_fourcc = V4L2_PIX_FMT_YUV420M,
|
||||
};
|
||||
|
||||
static const struct mtk_jpeg_variant mtk_jpeg_drvdata = {
|
||||
.clks = mtk_jpeg_clocks,
|
||||
.num_clks = ARRAY_SIZE(mtk_jpeg_clocks),
|
||||
.formats = mtk_jpeg_enc_formats,
|
||||
.num_formats = MTK_JPEG_ENC_NUM_FORMATS,
|
||||
.qops = &mtk_jpeg_enc_qops,
|
||||
.irq_handler = mtk_jpeg_enc_irq,
|
||||
.hw_reset = mtk_jpeg_enc_reset,
|
||||
.m2m_ops = &mtk_jpeg_enc_m2m_ops,
|
||||
.dev_name = "mtk-jpeg-enc",
|
||||
.ioctl_ops = &mtk_jpeg_enc_ioctl_ops,
|
||||
.out_q_default_fourcc = V4L2_PIX_FMT_YUYV,
|
||||
.cap_q_default_fourcc = V4L2_PIX_FMT_JPEG,
|
||||
};
|
||||
|
||||
static const struct of_device_id mtk_jpeg_match[] = {
|
||||
{
|
||||
.compatible = "mediatek,mt8173-jpgdec",
|
||||
|
|
@ -1199,6 +1539,10 @@ static const struct of_device_id mtk_jpeg_match[] = {
|
|||
.compatible = "mediatek,mt2701-jpgdec",
|
||||
.data = &mt8173_jpeg_drvdata,
|
||||
},
|
||||
{
|
||||
.compatible = "mediatek,mtk-jpgenc",
|
||||
.data = &mtk_jpeg_drvdata,
|
||||
},
|
||||
{},
|
||||
};
|
||||
|
||||
|
|
|
|||
|
|
@ -3,6 +3,7 @@
|
|||
* Copyright (c) 2016 MediaTek Inc.
|
||||
* Author: Ming Hsiu Tsai <minghsiu.tsai@mediatek.com>
|
||||
* Rick Chang <rick.chang@mediatek.com>
|
||||
* Xia Jiang <xia.jiang@mediatek.com>
|
||||
*/
|
||||
|
||||
#ifndef _MTK_JPEG_CORE_H
|
||||
|
|
@ -29,6 +30,8 @@
|
|||
|
||||
#define MTK_JPEG_HW_TIMEOUT_MSEC 1000
|
||||
|
||||
#define MTK_JPEG_MAX_EXIF_SIZE (64 * 1024)
|
||||
|
||||
/**
|
||||
* enum mtk_jpeg_ctx_state - states of the context state machine
|
||||
* @MTK_JPEG_INIT: current state is initialized
|
||||
|
|
@ -104,6 +107,7 @@ struct mtk_jpeg_dev {
|
|||
/**
|
||||
* struct jpeg_fmt - driver's internal color format data
|
||||
* @fourcc: the fourcc code, 0 if not applicable
|
||||
* @hw_format: hardware format value
|
||||
* @h_sample: horizontal sample count of plane in 4 * 4 pixel image
|
||||
* @v_sample: vertical sample count of plane in 4 * 4 pixel image
|
||||
* @colplanes: number of color planes (1 for packed formats)
|
||||
|
|
@ -113,6 +117,7 @@ struct mtk_jpeg_dev {
|
|||
*/
|
||||
struct mtk_jpeg_fmt {
|
||||
u32 fourcc;
|
||||
u32 hw_format;
|
||||
int h_sample[VIDEO_MAX_PLANES];
|
||||
int v_sample[VIDEO_MAX_PLANES];
|
||||
int colplanes;
|
||||
|
|
@ -125,10 +130,12 @@ struct mtk_jpeg_fmt {
|
|||
* mtk_jpeg_q_data - parameters of one queue
|
||||
* @fmt: driver-specific format of this queue
|
||||
* @pix_mp: multiplanar format
|
||||
* @enc_crop_rect: jpeg encoder crop information
|
||||
*/
|
||||
struct mtk_jpeg_q_data {
|
||||
struct mtk_jpeg_fmt *fmt;
|
||||
struct v4l2_pix_format_mplane pix_mp;
|
||||
struct v4l2_rect enc_crop_rect;
|
||||
};
|
||||
|
||||
/**
|
||||
|
|
@ -138,6 +145,10 @@ struct mtk_jpeg_q_data {
|
|||
* @cap_q: destination (capture) queue queue information
|
||||
* @fh: V4L2 file handle
|
||||
* @state: state of the context
|
||||
* @enable_exif: enable exif mode of jpeg encoder
|
||||
* @enc_quality: jpeg encoder quality
|
||||
* @restart_interval: jpeg encoder restart interval
|
||||
* @ctrl_hdl: controls handler
|
||||
*/
|
||||
struct mtk_jpeg_ctx {
|
||||
struct mtk_jpeg_dev *jpeg;
|
||||
|
|
@ -145,6 +156,10 @@ struct mtk_jpeg_ctx {
|
|||
struct mtk_jpeg_q_data cap_q;
|
||||
struct v4l2_fh fh;
|
||||
enum mtk_jpeg_ctx_state state;
|
||||
bool enable_exif;
|
||||
u8 enc_quality;
|
||||
u8 restart_interval;
|
||||
struct v4l2_ctrl_handler ctrl_hdl;
|
||||
};
|
||||
|
||||
#endif /* _MTK_JPEG_CORE_H */
|
||||
|
|
|
|||
|
|
@ -0,0 +1,154 @@
|
|||
// SPDX-License-Identifier: GPL-2.0-only
|
||||
/*
|
||||
* Copyright (c) 2019 MediaTek Inc.
|
||||
* Author: Xia Jiang <xia.jiang@mediatek.com>
|
||||
*
|
||||
*/
|
||||
|
||||
#include <linux/io.h>
|
||||
#include <linux/kernel.h>
|
||||
#include <media/videobuf2-core.h>
|
||||
#include <media/videobuf2-dma-contig.h>
|
||||
|
||||
#include "mtk_jpeg_enc_hw.h"
|
||||
|
||||
static const struct mtk_jpeg_enc_qlt mtk_jpeg_enc_quality[] = {
|
||||
{.quality_param = 34, .hardware_value = JPEG_ENC_QUALITY_Q34},
|
||||
{.quality_param = 39, .hardware_value = JPEG_ENC_QUALITY_Q39},
|
||||
{.quality_param = 48, .hardware_value = JPEG_ENC_QUALITY_Q48},
|
||||
{.quality_param = 60, .hardware_value = JPEG_ENC_QUALITY_Q60},
|
||||
{.quality_param = 64, .hardware_value = JPEG_ENC_QUALITY_Q64},
|
||||
{.quality_param = 68, .hardware_value = JPEG_ENC_QUALITY_Q68},
|
||||
{.quality_param = 74, .hardware_value = JPEG_ENC_QUALITY_Q74},
|
||||
{.quality_param = 80, .hardware_value = JPEG_ENC_QUALITY_Q80},
|
||||
{.quality_param = 82, .hardware_value = JPEG_ENC_QUALITY_Q82},
|
||||
{.quality_param = 84, .hardware_value = JPEG_ENC_QUALITY_Q84},
|
||||
{.quality_param = 87, .hardware_value = JPEG_ENC_QUALITY_Q87},
|
||||
{.quality_param = 90, .hardware_value = JPEG_ENC_QUALITY_Q90},
|
||||
{.quality_param = 92, .hardware_value = JPEG_ENC_QUALITY_Q92},
|
||||
{.quality_param = 95, .hardware_value = JPEG_ENC_QUALITY_Q95},
|
||||
{.quality_param = 97, .hardware_value = JPEG_ENC_QUALITY_Q97},
|
||||
};
|
||||
|
||||
void mtk_jpeg_enc_reset(void __iomem *base)
|
||||
{
|
||||
writel(0, base + JPEG_ENC_RSTB);
|
||||
writel(JPEG_ENC_RESET_BIT, base + JPEG_ENC_RSTB);
|
||||
writel(0, base + JPEG_ENC_CODEC_SEL);
|
||||
}
|
||||
|
||||
u32 mtk_jpeg_enc_get_file_size(void __iomem *base)
|
||||
{
|
||||
return readl(base + JPEG_ENC_DMA_ADDR0) -
|
||||
readl(base + JPEG_ENC_DST_ADDR0);
|
||||
}
|
||||
|
||||
void mtk_jpeg_enc_start(void __iomem *base)
|
||||
{
|
||||
u32 value;
|
||||
|
||||
value = readl(base + JPEG_ENC_CTRL);
|
||||
value |= JPEG_ENC_CTRL_INT_EN_BIT | JPEG_ENC_CTRL_ENABLE_BIT;
|
||||
writel(value, base + JPEG_ENC_CTRL);
|
||||
}
|
||||
|
||||
void mtk_jpeg_set_enc_src(struct mtk_jpeg_ctx *ctx, void __iomem *base,
|
||||
struct vb2_buffer *src_buf)
|
||||
{
|
||||
int i;
|
||||
dma_addr_t dma_addr;
|
||||
|
||||
for (i = 0; i < src_buf->num_planes; i++) {
|
||||
dma_addr = vb2_dma_contig_plane_dma_addr(src_buf, i) +
|
||||
src_buf->planes[i].data_offset;
|
||||
if (!i)
|
||||
writel(dma_addr, base + JPEG_ENC_SRC_LUMA_ADDR);
|
||||
else
|
||||
writel(dma_addr, base + JPEG_ENC_SRC_CHROMA_ADDR);
|
||||
}
|
||||
}
|
||||
|
||||
void mtk_jpeg_set_enc_dst(struct mtk_jpeg_ctx *ctx, void __iomem *base,
|
||||
struct vb2_buffer *dst_buf)
|
||||
{
|
||||
dma_addr_t dma_addr;
|
||||
size_t size;
|
||||
u32 dma_addr_offset;
|
||||
u32 dma_addr_offsetmask;
|
||||
|
||||
dma_addr = vb2_dma_contig_plane_dma_addr(dst_buf, 0);
|
||||
dma_addr_offset = ctx->enable_exif ? MTK_JPEG_MAX_EXIF_SIZE : 0;
|
||||
dma_addr_offsetmask = dma_addr & JPEG_ENC_DST_ADDR_OFFSET_MASK;
|
||||
size = vb2_plane_size(dst_buf, 0);
|
||||
|
||||
writel(dma_addr_offset & ~0xf, base + JPEG_ENC_OFFSET_ADDR);
|
||||
writel(dma_addr_offsetmask & 0xf, base + JPEG_ENC_BYTE_OFFSET_MASK);
|
||||
writel(dma_addr & ~0xf, base + JPEG_ENC_DST_ADDR0);
|
||||
writel((dma_addr + size) & ~0xf, base + JPEG_ENC_STALL_ADDR0);
|
||||
}
|
||||
|
||||
void mtk_jpeg_set_enc_params(struct mtk_jpeg_ctx *ctx, void __iomem *base)
|
||||
{
|
||||
u32 value;
|
||||
u32 width = ctx->out_q.enc_crop_rect.width;
|
||||
u32 height = ctx->out_q.enc_crop_rect.height;
|
||||
u32 enc_format = ctx->out_q.fmt->fourcc;
|
||||
u32 bytesperline = ctx->out_q.pix_mp.plane_fmt[0].bytesperline;
|
||||
u32 blk_num;
|
||||
u32 img_stride;
|
||||
u32 mem_stride;
|
||||
u32 i, enc_quality;
|
||||
|
||||
value = width << 16 | height;
|
||||
writel(value, base + JPEG_ENC_IMG_SIZE);
|
||||
|
||||
if (enc_format == V4L2_PIX_FMT_NV12M ||
|
||||
enc_format == V4L2_PIX_FMT_NV21M)
|
||||
/*
|
||||
* Total 8 x 8 block number of luma and chroma.
|
||||
* The number of blocks is counted from 0.
|
||||
*/
|
||||
blk_num = DIV_ROUND_UP(width, 16) *
|
||||
DIV_ROUND_UP(height, 16) * 6 - 1;
|
||||
else
|
||||
blk_num = DIV_ROUND_UP(width, 16) *
|
||||
DIV_ROUND_UP(height, 8) * 4 - 1;
|
||||
writel(blk_num, base + JPEG_ENC_BLK_NUM);
|
||||
|
||||
if (enc_format == V4L2_PIX_FMT_NV12M ||
|
||||
enc_format == V4L2_PIX_FMT_NV21M) {
|
||||
/* 4:2:0 */
|
||||
img_stride = round_up(width, 16);
|
||||
mem_stride = bytesperline;
|
||||
} else {
|
||||
/* 4:2:2 */
|
||||
img_stride = round_up(width * 2, 32);
|
||||
mem_stride = img_stride;
|
||||
}
|
||||
writel(img_stride, base + JPEG_ENC_IMG_STRIDE);
|
||||
writel(mem_stride, base + JPEG_ENC_STRIDE);
|
||||
|
||||
enc_quality = mtk_jpeg_enc_quality[0].hardware_value;
|
||||
for (i = 0; i < ARRAY_SIZE(mtk_jpeg_enc_quality); i++) {
|
||||
if (ctx->enc_quality <= mtk_jpeg_enc_quality[i].quality_param) {
|
||||
enc_quality = mtk_jpeg_enc_quality[i].hardware_value;
|
||||
break;
|
||||
}
|
||||
}
|
||||
writel(enc_quality, base + JPEG_ENC_QUALITY);
|
||||
|
||||
value = readl(base + JPEG_ENC_CTRL);
|
||||
value &= ~JPEG_ENC_CTRL_YUV_FORMAT_MASK;
|
||||
value |= (ctx->out_q.fmt->hw_format & 3) << 3;
|
||||
if (ctx->enable_exif)
|
||||
value |= JPEG_ENC_CTRL_FILE_FORMAT_BIT;
|
||||
else
|
||||
value &= ~JPEG_ENC_CTRL_FILE_FORMAT_BIT;
|
||||
if (ctx->restart_interval)
|
||||
value |= JPEG_ENC_CTRL_RESTART_EN_BIT;
|
||||
else
|
||||
value &= ~JPEG_ENC_CTRL_RESTART_EN_BIT;
|
||||
writel(value, base + JPEG_ENC_CTRL);
|
||||
|
||||
writel(ctx->restart_interval, base + JPEG_ENC_RST_MCU_NUM);
|
||||
}
|
||||
|
|
@ -0,0 +1,91 @@
|
|||
/* SPDX-License-Identifier: GPL-2.0-only */
|
||||
/*
|
||||
* Copyright (c) 2019 MediaTek Inc.
|
||||
* Author: Xia Jiang <xia.jiang@mediatek.com>
|
||||
*
|
||||
*/
|
||||
|
||||
#ifndef _MTK_JPEG_ENC_HW_H
|
||||
#define _MTK_JPEG_ENC_HW_H
|
||||
|
||||
#include <media/videobuf2-core.h>
|
||||
|
||||
#include "mtk_jpeg_core.h"
|
||||
|
||||
#define JPEG_ENC_INT_STATUS_DONE BIT(0)
|
||||
#define JPEG_ENC_INT_STATUS_MASK_ALLIRQ 0x13
|
||||
|
||||
#define JPEG_ENC_DST_ADDR_OFFSET_MASK GENMASK(3, 0)
|
||||
|
||||
#define JPEG_ENC_CTRL_YUV_FORMAT_MASK 0x18
|
||||
#define JPEG_ENC_CTRL_RESTART_EN_BIT BIT(10)
|
||||
#define JPEG_ENC_CTRL_FILE_FORMAT_BIT BIT(5)
|
||||
#define JPEG_ENC_CTRL_INT_EN_BIT BIT(2)
|
||||
#define JPEG_ENC_CTRL_ENABLE_BIT BIT(0)
|
||||
#define JPEG_ENC_RESET_BIT BIT(0)
|
||||
|
||||
#define JPEG_ENC_YUV_FORMAT_YUYV 0
|
||||
#define JPEG_ENC_YUV_FORMAT_YVYU 1
|
||||
#define JPEG_ENC_YUV_FORMAT_NV12 2
|
||||
#define JEPG_ENC_YUV_FORMAT_NV21 3
|
||||
|
||||
#define JPEG_ENC_QUALITY_Q60 0x0
|
||||
#define JPEG_ENC_QUALITY_Q80 0x1
|
||||
#define JPEG_ENC_QUALITY_Q90 0x2
|
||||
#define JPEG_ENC_QUALITY_Q95 0x3
|
||||
#define JPEG_ENC_QUALITY_Q39 0x4
|
||||
#define JPEG_ENC_QUALITY_Q68 0x5
|
||||
#define JPEG_ENC_QUALITY_Q84 0x6
|
||||
#define JPEG_ENC_QUALITY_Q92 0x7
|
||||
#define JPEG_ENC_QUALITY_Q48 0x8
|
||||
#define JPEG_ENC_QUALITY_Q74 0xa
|
||||
#define JPEG_ENC_QUALITY_Q87 0xb
|
||||
#define JPEG_ENC_QUALITY_Q34 0xc
|
||||
#define JPEG_ENC_QUALITY_Q64 0xe
|
||||
#define JPEG_ENC_QUALITY_Q82 0xf
|
||||
#define JPEG_ENC_QUALITY_Q97 0x10
|
||||
|
||||
#define JPEG_ENC_RSTB 0x100
|
||||
#define JPEG_ENC_CTRL 0x104
|
||||
#define JPEG_ENC_QUALITY 0x108
|
||||
#define JPEG_ENC_BLK_NUM 0x10C
|
||||
#define JPEG_ENC_BLK_CNT 0x110
|
||||
#define JPEG_ENC_INT_STS 0x11c
|
||||
#define JPEG_ENC_DST_ADDR0 0x120
|
||||
#define JPEG_ENC_DMA_ADDR0 0x124
|
||||
#define JPEG_ENC_STALL_ADDR0 0x128
|
||||
#define JPEG_ENC_OFFSET_ADDR 0x138
|
||||
#define JPEG_ENC_RST_MCU_NUM 0x150
|
||||
#define JPEG_ENC_IMG_SIZE 0x154
|
||||
#define JPEG_ENC_DEBUG_INFO0 0x160
|
||||
#define JPEG_ENC_DEBUG_INFO1 0x164
|
||||
#define JPEG_ENC_TOTAL_CYCLE 0x168
|
||||
#define JPEG_ENC_BYTE_OFFSET_MASK 0x16c
|
||||
#define JPEG_ENC_SRC_LUMA_ADDR 0x170
|
||||
#define JPEG_ENC_SRC_CHROMA_ADDR 0x174
|
||||
#define JPEG_ENC_STRIDE 0x178
|
||||
#define JPEG_ENC_IMG_STRIDE 0x17c
|
||||
#define JPEG_ENC_DCM_CTRL 0x300
|
||||
#define JPEG_ENC_CODEC_SEL 0x314
|
||||
#define JPEG_ENC_ULTRA_THRES 0x318
|
||||
|
||||
/**
|
||||
* struct mtk_jpeg_enc_qlt - JPEG encoder quality data
|
||||
* @quality_param: quality value
|
||||
* @hardware_value: hardware value of quality
|
||||
*/
|
||||
struct mtk_jpeg_enc_qlt {
|
||||
u8 quality_param;
|
||||
u8 hardware_value;
|
||||
};
|
||||
|
||||
void mtk_jpeg_enc_reset(void __iomem *base);
|
||||
u32 mtk_jpeg_enc_get_file_size(void __iomem *base);
|
||||
void mtk_jpeg_enc_start(void __iomem *enc_reg_base);
|
||||
void mtk_jpeg_set_enc_src(struct mtk_jpeg_ctx *ctx, void __iomem *base,
|
||||
struct vb2_buffer *src_buf);
|
||||
void mtk_jpeg_set_enc_dst(struct mtk_jpeg_ctx *ctx, void __iomem *base,
|
||||
struct vb2_buffer *dst_buf);
|
||||
void mtk_jpeg_set_enc_params(struct mtk_jpeg_ctx *ctx, void __iomem *base);
|
||||
|
||||
#endif /* _MTK_JPEG_ENC_HW_H */
|
||||
Loading…
Reference in New Issue