// SPDX-License-Identifier: GPL-2.0-only
|
/*
|
* 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>
|
*/
|
|
#include <linux/clk.h>
|
#include <linux/err.h>
|
#include <linux/interrupt.h>
|
#include <linux/io.h>
|
#include <linux/kernel.h>
|
#include <linux/module.h>
|
#include <linux/of_platform.h>
|
#include <linux/platform_device.h>
|
#include <linux/pm_runtime.h>
|
#include <linux/slab.h>
|
#include <linux/spinlock.h>
|
#include <media/v4l2-event.h>
|
#include <media/v4l2-mem2mem.h>
|
#include <media/v4l2-ioctl.h>
|
#include <media/videobuf2-core.h>
|
#include <media/videobuf2-dma-contig.h>
|
#include <soc/mediatek/smi.h>
|
|
#include "mtk_jpeg_enc_hw.h"
|
#include "mtk_jpeg_dec_hw.h"
|
#include "mtk_jpeg_core.h"
|
#include "mtk_jpeg_dec_parse.h"
|
|
static struct mtk_jpeg_fmt mtk_jpeg_enc_formats[] = {
|
{
|
.fourcc = V4L2_PIX_FMT_JPEG,
|
.colplanes = 1,
|
.flags = MTK_JPEG_FMT_FLAG_CAPTURE,
|
},
|
{
|
.fourcc = V4L2_PIX_FMT_NV12M,
|
.hw_format = JPEG_ENC_YUV_FORMAT_NV12,
|
.h_sample = {4, 4},
|
.v_sample = {4, 2},
|
.colplanes = 2,
|
.h_align = 4,
|
.v_align = 4,
|
.flags = MTK_JPEG_FMT_FLAG_OUTPUT,
|
},
|
{
|
.fourcc = V4L2_PIX_FMT_NV21M,
|
.hw_format = JEPG_ENC_YUV_FORMAT_NV21,
|
.h_sample = {4, 4},
|
.v_sample = {4, 2},
|
.colplanes = 2,
|
.h_align = 4,
|
.v_align = 4,
|
.flags = MTK_JPEG_FMT_FLAG_OUTPUT,
|
},
|
{
|
.fourcc = V4L2_PIX_FMT_YUYV,
|
.hw_format = JPEG_ENC_YUV_FORMAT_YUYV,
|
.h_sample = {8},
|
.v_sample = {4},
|
.colplanes = 1,
|
.h_align = 5,
|
.v_align = 3,
|
.flags = MTK_JPEG_FMT_FLAG_OUTPUT,
|
},
|
{
|
.fourcc = V4L2_PIX_FMT_YVYU,
|
.hw_format = JPEG_ENC_YUV_FORMAT_YVYU,
|
.h_sample = {8},
|
.v_sample = {4},
|
.colplanes = 1,
|
.h_align = 5,
|
.v_align = 3,
|
.flags = MTK_JPEG_FMT_FLAG_OUTPUT,
|
},
|
};
|
|
static struct mtk_jpeg_fmt mtk_jpeg_dec_formats[] = {
|
{
|
.fourcc = V4L2_PIX_FMT_JPEG,
|
.colplanes = 1,
|
.flags = MTK_JPEG_FMT_FLAG_OUTPUT,
|
},
|
{
|
.fourcc = V4L2_PIX_FMT_YUV420M,
|
.h_sample = {4, 2, 2},
|
.v_sample = {4, 2, 2},
|
.colplanes = 3,
|
.h_align = 5,
|
.v_align = 4,
|
.flags = MTK_JPEG_FMT_FLAG_CAPTURE,
|
},
|
{
|
.fourcc = V4L2_PIX_FMT_YUV422M,
|
.h_sample = {4, 2, 2},
|
.v_sample = {4, 4, 4},
|
.colplanes = 3,
|
.h_align = 5,
|
.v_align = 3,
|
.flags = MTK_JPEG_FMT_FLAG_CAPTURE,
|
},
|
};
|
|
#define MTK_JPEG_ENC_NUM_FORMATS ARRAY_SIZE(mtk_jpeg_enc_formats)
|
#define MTK_JPEG_DEC_NUM_FORMATS ARRAY_SIZE(mtk_jpeg_dec_formats)
|
|
struct mtk_jpeg_src_buf {
|
struct vb2_v4l2_buffer b;
|
struct list_head list;
|
struct mtk_jpeg_dec_param dec_param;
|
};
|
|
static int debug;
|
module_param(debug, int, 0644);
|
|
static inline struct mtk_jpeg_ctx *ctrl_to_ctx(struct v4l2_ctrl *ctrl)
|
{
|
return container_of(ctrl->handler, struct mtk_jpeg_ctx, ctrl_hdl);
|
}
|
|
static inline struct mtk_jpeg_ctx *mtk_jpeg_fh_to_ctx(struct v4l2_fh *fh)
|
{
|
return container_of(fh, struct mtk_jpeg_ctx, fh);
|
}
|
|
static inline struct mtk_jpeg_src_buf *mtk_jpeg_vb2_to_srcbuf(
|
struct vb2_buffer *vb)
|
{
|
return container_of(to_vb2_v4l2_buffer(vb), struct mtk_jpeg_src_buf, b);
|
}
|
|
static int mtk_jpeg_querycap(struct file *file, void *priv,
|
struct v4l2_capability *cap)
|
{
|
struct mtk_jpeg_dev *jpeg = video_drvdata(file);
|
|
strscpy(cap->driver, jpeg->variant->dev_name, sizeof(cap->driver));
|
strscpy(cap->card, jpeg->variant->dev_name, sizeof(cap->card));
|
snprintf(cap->bus_info, sizeof(cap->bus_info), "platform:%s",
|
dev_name(jpeg->dev));
|
|
return 0;
|
}
|
|
static int vidioc_jpeg_enc_s_ctrl(struct v4l2_ctrl *ctrl)
|
{
|
struct mtk_jpeg_ctx *ctx = ctrl_to_ctx(ctrl);
|
|
switch (ctrl->id) {
|
case V4L2_CID_JPEG_RESTART_INTERVAL:
|
ctx->restart_interval = ctrl->val;
|
break;
|
case V4L2_CID_JPEG_COMPRESSION_QUALITY:
|
ctx->enc_quality = ctrl->val;
|
break;
|
case V4L2_CID_JPEG_ACTIVE_MARKER:
|
ctx->enable_exif = ctrl->val & V4L2_JPEG_ACTIVE_MARKER_APP1;
|
break;
|
}
|
|
return 0;
|
}
|
|
static const struct v4l2_ctrl_ops mtk_jpeg_enc_ctrl_ops = {
|
.s_ctrl = vidioc_jpeg_enc_s_ctrl,
|
};
|
|
static int mtk_jpeg_enc_ctrls_setup(struct mtk_jpeg_ctx *ctx)
|
{
|
const struct v4l2_ctrl_ops *ops = &mtk_jpeg_enc_ctrl_ops;
|
struct v4l2_ctrl_handler *handler = &ctx->ctrl_hdl;
|
|
v4l2_ctrl_handler_init(handler, 3);
|
|
v4l2_ctrl_new_std(handler, ops, V4L2_CID_JPEG_RESTART_INTERVAL, 0, 100,
|
1, 0);
|
v4l2_ctrl_new_std(handler, ops, V4L2_CID_JPEG_COMPRESSION_QUALITY, 48,
|
100, 1, 90);
|
v4l2_ctrl_new_std(handler, ops, V4L2_CID_JPEG_ACTIVE_MARKER, 0,
|
V4L2_JPEG_ACTIVE_MARKER_APP1, 0, 0);
|
|
if (handler->error) {
|
v4l2_ctrl_handler_free(&ctx->ctrl_hdl);
|
return handler->error;
|
}
|
|
v4l2_ctrl_handler_setup(&ctx->ctrl_hdl);
|
|
return 0;
|
}
|
|
static int mtk_jpeg_enum_fmt(struct mtk_jpeg_fmt *mtk_jpeg_formats, int n,
|
struct v4l2_fmtdesc *f, u32 type)
|
{
|
int i, num = 0;
|
|
for (i = 0; i < n; ++i) {
|
if (mtk_jpeg_formats[i].flags & type) {
|
if (num == f->index)
|
break;
|
++num;
|
}
|
}
|
|
if (i >= n)
|
return -EINVAL;
|
|
f->pixelformat = mtk_jpeg_formats[i].fourcc;
|
|
return 0;
|
}
|
|
static int mtk_jpeg_enum_fmt_vid_cap(struct file *file, void *priv,
|
struct v4l2_fmtdesc *f)
|
{
|
struct mtk_jpeg_ctx *ctx = mtk_jpeg_fh_to_ctx(priv);
|
struct mtk_jpeg_dev *jpeg = ctx->jpeg;
|
|
return mtk_jpeg_enum_fmt(jpeg->variant->formats,
|
jpeg->variant->num_formats, f,
|
MTK_JPEG_FMT_FLAG_CAPTURE);
|
}
|
|
static int mtk_jpeg_enum_fmt_vid_out(struct file *file, void *priv,
|
struct v4l2_fmtdesc *f)
|
{
|
struct mtk_jpeg_ctx *ctx = mtk_jpeg_fh_to_ctx(priv);
|
struct mtk_jpeg_dev *jpeg = ctx->jpeg;
|
|
return mtk_jpeg_enum_fmt(jpeg->variant->formats,
|
jpeg->variant->num_formats, f,
|
MTK_JPEG_FMT_FLAG_OUTPUT);
|
}
|
|
static struct mtk_jpeg_q_data *mtk_jpeg_get_q_data(struct mtk_jpeg_ctx *ctx,
|
enum v4l2_buf_type type)
|
{
|
if (V4L2_TYPE_IS_OUTPUT(type))
|
return &ctx->out_q;
|
return &ctx->cap_q;
|
}
|
|
static struct mtk_jpeg_fmt *
|
mtk_jpeg_find_format(struct mtk_jpeg_fmt *mtk_jpeg_formats, int num_formats,
|
u32 pixelformat, unsigned int fmt_type)
|
{
|
unsigned int k;
|
struct mtk_jpeg_fmt *fmt;
|
|
for (k = 0; k < num_formats; k++) {
|
fmt = &mtk_jpeg_formats[k];
|
|
if (fmt->fourcc == pixelformat && fmt->flags & fmt_type)
|
return fmt;
|
}
|
|
return NULL;
|
}
|
|
static int mtk_jpeg_try_fmt_mplane(struct v4l2_pix_format_mplane *pix_mp,
|
struct mtk_jpeg_fmt *fmt)
|
{
|
int i;
|
|
pix_mp->field = V4L2_FIELD_NONE;
|
|
pix_mp->num_planes = fmt->colplanes;
|
pix_mp->pixelformat = fmt->fourcc;
|
|
if (fmt->fourcc == V4L2_PIX_FMT_JPEG) {
|
struct v4l2_plane_pix_format *pfmt = &pix_mp->plane_fmt[0];
|
|
pix_mp->height = clamp(pix_mp->height, MTK_JPEG_MIN_HEIGHT,
|
MTK_JPEG_MAX_HEIGHT);
|
pix_mp->width = clamp(pix_mp->width, MTK_JPEG_MIN_WIDTH,
|
MTK_JPEG_MAX_WIDTH);
|
|
pfmt->bytesperline = 0;
|
/* Source size must be aligned to 128 */
|
pfmt->sizeimage = round_up(pfmt->sizeimage, 128);
|
if (pfmt->sizeimage == 0)
|
pfmt->sizeimage = MTK_JPEG_DEFAULT_SIZEIMAGE;
|
return 0;
|
}
|
|
/* other fourcc */
|
pix_mp->height = clamp(round_up(pix_mp->height, fmt->v_align),
|
MTK_JPEG_MIN_HEIGHT, MTK_JPEG_MAX_HEIGHT);
|
pix_mp->width = clamp(round_up(pix_mp->width, fmt->h_align),
|
MTK_JPEG_MIN_WIDTH, MTK_JPEG_MAX_WIDTH);
|
|
for (i = 0; i < fmt->colplanes; i++) {
|
struct v4l2_plane_pix_format *pfmt = &pix_mp->plane_fmt[i];
|
u32 stride = pix_mp->width * fmt->h_sample[i] / 4;
|
u32 h = pix_mp->height * fmt->v_sample[i] / 4;
|
|
pfmt->bytesperline = stride;
|
pfmt->sizeimage = stride * h;
|
}
|
return 0;
|
}
|
|
static int mtk_jpeg_g_fmt_vid_mplane(struct file *file, void *priv,
|
struct v4l2_format *f)
|
{
|
struct vb2_queue *vq;
|
struct mtk_jpeg_q_data *q_data = NULL;
|
struct v4l2_pix_format_mplane *pix_mp = &f->fmt.pix_mp;
|
struct mtk_jpeg_ctx *ctx = mtk_jpeg_fh_to_ctx(priv);
|
struct mtk_jpeg_dev *jpeg = ctx->jpeg;
|
int i;
|
|
vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type);
|
if (!vq)
|
return -EINVAL;
|
|
q_data = mtk_jpeg_get_q_data(ctx, f->type);
|
|
pix_mp->width = q_data->pix_mp.width;
|
pix_mp->height = q_data->pix_mp.height;
|
pix_mp->field = V4L2_FIELD_NONE;
|
pix_mp->pixelformat = q_data->fmt->fourcc;
|
pix_mp->num_planes = q_data->fmt->colplanes;
|
pix_mp->colorspace = q_data->pix_mp.colorspace;
|
pix_mp->ycbcr_enc = q_data->pix_mp.ycbcr_enc;
|
pix_mp->xfer_func = q_data->pix_mp.xfer_func;
|
pix_mp->quantization = q_data->pix_mp.quantization;
|
|
v4l2_dbg(1, debug, &jpeg->v4l2_dev, "(%d) g_fmt:%c%c%c%c wxh:%ux%u\n",
|
f->type,
|
(pix_mp->pixelformat & 0xff),
|
(pix_mp->pixelformat >> 8 & 0xff),
|
(pix_mp->pixelformat >> 16 & 0xff),
|
(pix_mp->pixelformat >> 24 & 0xff),
|
pix_mp->width, pix_mp->height);
|
|
for (i = 0; i < pix_mp->num_planes; i++) {
|
struct v4l2_plane_pix_format *pfmt = &pix_mp->plane_fmt[i];
|
|
pfmt->bytesperline = q_data->pix_mp.plane_fmt[i].bytesperline;
|
pfmt->sizeimage = q_data->pix_mp.plane_fmt[i].sizeimage;
|
|
v4l2_dbg(1, debug, &jpeg->v4l2_dev,
|
"plane[%d] bpl=%u, size=%u\n",
|
i,
|
pfmt->bytesperline,
|
pfmt->sizeimage);
|
}
|
return 0;
|
}
|
|
static int mtk_jpeg_try_fmt_vid_cap_mplane(struct file *file, void *priv,
|
struct v4l2_format *f)
|
{
|
struct mtk_jpeg_ctx *ctx = mtk_jpeg_fh_to_ctx(priv);
|
struct mtk_jpeg_dev *jpeg = ctx->jpeg;
|
struct mtk_jpeg_fmt *fmt;
|
|
fmt = mtk_jpeg_find_format(jpeg->variant->formats,
|
jpeg->variant->num_formats,
|
f->fmt.pix_mp.pixelformat,
|
MTK_JPEG_FMT_FLAG_CAPTURE);
|
if (!fmt)
|
fmt = ctx->cap_q.fmt;
|
|
v4l2_dbg(2, debug, &ctx->jpeg->v4l2_dev, "(%d) try_fmt:%c%c%c%c\n",
|
f->type,
|
(fmt->fourcc & 0xff),
|
(fmt->fourcc >> 8 & 0xff),
|
(fmt->fourcc >> 16 & 0xff),
|
(fmt->fourcc >> 24 & 0xff));
|
|
if (ctx->state != MTK_JPEG_INIT) {
|
mtk_jpeg_g_fmt_vid_mplane(file, priv, f);
|
return 0;
|
}
|
|
return mtk_jpeg_try_fmt_mplane(&f->fmt.pix_mp, fmt);
|
}
|
|
static int mtk_jpeg_try_fmt_vid_out_mplane(struct file *file, void *priv,
|
struct v4l2_format *f)
|
{
|
struct mtk_jpeg_ctx *ctx = mtk_jpeg_fh_to_ctx(priv);
|
struct mtk_jpeg_dev *jpeg = ctx->jpeg;
|
struct mtk_jpeg_fmt *fmt;
|
|
fmt = mtk_jpeg_find_format(jpeg->variant->formats,
|
jpeg->variant->num_formats,
|
f->fmt.pix_mp.pixelformat,
|
MTK_JPEG_FMT_FLAG_OUTPUT);
|
if (!fmt)
|
fmt = ctx->out_q.fmt;
|
|
v4l2_dbg(2, debug, &ctx->jpeg->v4l2_dev, "(%d) try_fmt:%c%c%c%c\n",
|
f->type,
|
(fmt->fourcc & 0xff),
|
(fmt->fourcc >> 8 & 0xff),
|
(fmt->fourcc >> 16 & 0xff),
|
(fmt->fourcc >> 24 & 0xff));
|
|
if (ctx->state != MTK_JPEG_INIT) {
|
mtk_jpeg_g_fmt_vid_mplane(file, priv, f);
|
return 0;
|
}
|
|
return mtk_jpeg_try_fmt_mplane(&f->fmt.pix_mp, fmt);
|
}
|
|
static int mtk_jpeg_s_fmt_mplane(struct mtk_jpeg_ctx *ctx,
|
struct v4l2_format *f, unsigned int fmt_type)
|
{
|
struct vb2_queue *vq;
|
struct mtk_jpeg_q_data *q_data = NULL;
|
struct v4l2_pix_format_mplane *pix_mp = &f->fmt.pix_mp;
|
struct mtk_jpeg_dev *jpeg = ctx->jpeg;
|
int i;
|
|
vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type);
|
if (!vq)
|
return -EINVAL;
|
|
q_data = mtk_jpeg_get_q_data(ctx, f->type);
|
|
if (vb2_is_busy(vq)) {
|
v4l2_err(&jpeg->v4l2_dev, "queue busy\n");
|
return -EBUSY;
|
}
|
|
q_data->fmt = mtk_jpeg_find_format(jpeg->variant->formats,
|
jpeg->variant->num_formats,
|
pix_mp->pixelformat, fmt_type);
|
q_data->pix_mp.width = pix_mp->width;
|
q_data->pix_mp.height = pix_mp->height;
|
q_data->enc_crop_rect.width = pix_mp->width;
|
q_data->enc_crop_rect.height = pix_mp->height;
|
q_data->pix_mp.colorspace = V4L2_COLORSPACE_SRGB;
|
q_data->pix_mp.ycbcr_enc = V4L2_YCBCR_ENC_601;
|
q_data->pix_mp.xfer_func = V4L2_XFER_FUNC_SRGB;
|
q_data->pix_mp.quantization = V4L2_QUANTIZATION_FULL_RANGE;
|
|
v4l2_dbg(1, debug, &jpeg->v4l2_dev, "(%d) s_fmt:%c%c%c%c wxh:%ux%u\n",
|
f->type,
|
(q_data->fmt->fourcc & 0xff),
|
(q_data->fmt->fourcc >> 8 & 0xff),
|
(q_data->fmt->fourcc >> 16 & 0xff),
|
(q_data->fmt->fourcc >> 24 & 0xff),
|
q_data->pix_mp.width, q_data->pix_mp.height);
|
|
for (i = 0; i < q_data->fmt->colplanes; i++) {
|
q_data->pix_mp.plane_fmt[i].bytesperline =
|
pix_mp->plane_fmt[i].bytesperline;
|
q_data->pix_mp.plane_fmt[i].sizeimage =
|
pix_mp->plane_fmt[i].sizeimage;
|
|
v4l2_dbg(1, debug, &jpeg->v4l2_dev,
|
"plane[%d] bpl=%u, size=%u\n",
|
i, q_data->pix_mp.plane_fmt[i].bytesperline,
|
q_data->pix_mp.plane_fmt[i].sizeimage);
|
}
|
|
return 0;
|
}
|
|
static int mtk_jpeg_s_fmt_vid_out_mplane(struct file *file, void *priv,
|
struct v4l2_format *f)
|
{
|
int ret;
|
|
ret = mtk_jpeg_try_fmt_vid_out_mplane(file, priv, f);
|
if (ret)
|
return ret;
|
|
return mtk_jpeg_s_fmt_mplane(mtk_jpeg_fh_to_ctx(priv), f,
|
MTK_JPEG_FMT_FLAG_OUTPUT);
|
}
|
|
static int mtk_jpeg_s_fmt_vid_cap_mplane(struct file *file, void *priv,
|
struct v4l2_format *f)
|
{
|
int ret;
|
|
ret = mtk_jpeg_try_fmt_vid_cap_mplane(file, priv, f);
|
if (ret)
|
return ret;
|
|
return mtk_jpeg_s_fmt_mplane(mtk_jpeg_fh_to_ctx(priv), f,
|
MTK_JPEG_FMT_FLAG_CAPTURE);
|
}
|
|
static void mtk_jpeg_queue_src_chg_event(struct mtk_jpeg_ctx *ctx)
|
{
|
static const struct v4l2_event ev_src_ch = {
|
.type = V4L2_EVENT_SOURCE_CHANGE,
|
.u.src_change.changes =
|
V4L2_EVENT_SRC_CH_RESOLUTION,
|
};
|
|
v4l2_event_queue_fh(&ctx->fh, &ev_src_ch);
|
}
|
|
static int mtk_jpeg_subscribe_event(struct v4l2_fh *fh,
|
const struct v4l2_event_subscription *sub)
|
{
|
switch (sub->type) {
|
case V4L2_EVENT_SOURCE_CHANGE:
|
return v4l2_src_change_event_subscribe(fh, sub);
|
}
|
|
return v4l2_ctrl_subscribe_event(fh, sub);
|
}
|
|
static int mtk_jpeg_enc_g_selection(struct file *file, void *priv,
|
struct v4l2_selection *s)
|
{
|
struct mtk_jpeg_ctx *ctx = mtk_jpeg_fh_to_ctx(priv);
|
|
if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
|
return -EINVAL;
|
|
switch (s->target) {
|
case V4L2_SEL_TGT_CROP:
|
s->r = ctx->out_q.enc_crop_rect;
|
break;
|
case V4L2_SEL_TGT_CROP_BOUNDS:
|
case V4L2_SEL_TGT_CROP_DEFAULT:
|
s->r.width = ctx->out_q.pix_mp.width;
|
s->r.height = ctx->out_q.pix_mp.height;
|
s->r.left = 0;
|
s->r.top = 0;
|
break;
|
default:
|
return -EINVAL;
|
}
|
return 0;
|
}
|
|
static int mtk_jpeg_dec_g_selection(struct file *file, void *priv,
|
struct v4l2_selection *s)
|
{
|
struct mtk_jpeg_ctx *ctx = mtk_jpeg_fh_to_ctx(priv);
|
|
if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
|
return -EINVAL;
|
|
switch (s->target) {
|
case V4L2_SEL_TGT_COMPOSE:
|
case V4L2_SEL_TGT_COMPOSE_DEFAULT:
|
s->r.width = ctx->out_q.pix_mp.width;
|
s->r.height = ctx->out_q.pix_mp.height;
|
s->r.left = 0;
|
s->r.top = 0;
|
break;
|
case V4L2_SEL_TGT_COMPOSE_BOUNDS:
|
case V4L2_SEL_TGT_COMPOSE_PADDED:
|
s->r.width = ctx->cap_q.pix_mp.width;
|
s->r.height = ctx->cap_q.pix_mp.height;
|
s->r.left = 0;
|
s->r.top = 0;
|
break;
|
default:
|
return -EINVAL;
|
}
|
return 0;
|
}
|
|
static int mtk_jpeg_enc_s_selection(struct file *file, void *priv,
|
struct v4l2_selection *s)
|
{
|
struct mtk_jpeg_ctx *ctx = mtk_jpeg_fh_to_ctx(priv);
|
|
if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
|
return -EINVAL;
|
|
switch (s->target) {
|
case V4L2_SEL_TGT_CROP:
|
s->r.left = 0;
|
s->r.top = 0;
|
s->r.width = min(s->r.width, ctx->out_q.pix_mp.width);
|
s->r.height = min(s->r.height, ctx->out_q.pix_mp.height);
|
ctx->out_q.enc_crop_rect = s->r;
|
break;
|
default:
|
return -EINVAL;
|
}
|
|
return 0;
|
}
|
|
static const struct v4l2_ioctl_ops mtk_jpeg_enc_ioctl_ops = {
|
.vidioc_querycap = mtk_jpeg_querycap,
|
.vidioc_enum_fmt_vid_cap = mtk_jpeg_enum_fmt_vid_cap,
|
.vidioc_enum_fmt_vid_out = mtk_jpeg_enum_fmt_vid_out,
|
.vidioc_try_fmt_vid_cap_mplane = mtk_jpeg_try_fmt_vid_cap_mplane,
|
.vidioc_try_fmt_vid_out_mplane = mtk_jpeg_try_fmt_vid_out_mplane,
|
.vidioc_g_fmt_vid_cap_mplane = mtk_jpeg_g_fmt_vid_mplane,
|
.vidioc_g_fmt_vid_out_mplane = mtk_jpeg_g_fmt_vid_mplane,
|
.vidioc_s_fmt_vid_cap_mplane = mtk_jpeg_s_fmt_vid_cap_mplane,
|
.vidioc_s_fmt_vid_out_mplane = mtk_jpeg_s_fmt_vid_out_mplane,
|
.vidioc_qbuf = v4l2_m2m_ioctl_qbuf,
|
.vidioc_subscribe_event = mtk_jpeg_subscribe_event,
|
.vidioc_g_selection = mtk_jpeg_enc_g_selection,
|
.vidioc_s_selection = mtk_jpeg_enc_s_selection,
|
|
.vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
|
.vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
|
.vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
|
.vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
|
.vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
|
.vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
|
.vidioc_streamon = v4l2_m2m_ioctl_streamon,
|
.vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
|
|
.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
|
};
|
|
static const struct v4l2_ioctl_ops mtk_jpeg_dec_ioctl_ops = {
|
.vidioc_querycap = mtk_jpeg_querycap,
|
.vidioc_enum_fmt_vid_cap = mtk_jpeg_enum_fmt_vid_cap,
|
.vidioc_enum_fmt_vid_out = mtk_jpeg_enum_fmt_vid_out,
|
.vidioc_try_fmt_vid_cap_mplane = mtk_jpeg_try_fmt_vid_cap_mplane,
|
.vidioc_try_fmt_vid_out_mplane = mtk_jpeg_try_fmt_vid_out_mplane,
|
.vidioc_g_fmt_vid_cap_mplane = mtk_jpeg_g_fmt_vid_mplane,
|
.vidioc_g_fmt_vid_out_mplane = mtk_jpeg_g_fmt_vid_mplane,
|
.vidioc_s_fmt_vid_cap_mplane = mtk_jpeg_s_fmt_vid_cap_mplane,
|
.vidioc_s_fmt_vid_out_mplane = mtk_jpeg_s_fmt_vid_out_mplane,
|
.vidioc_qbuf = v4l2_m2m_ioctl_qbuf,
|
.vidioc_subscribe_event = mtk_jpeg_subscribe_event,
|
.vidioc_g_selection = mtk_jpeg_dec_g_selection,
|
|
.vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
|
.vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
|
.vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
|
.vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
|
.vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
|
.vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
|
.vidioc_streamon = v4l2_m2m_ioctl_streamon,
|
.vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
|
|
.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
|
};
|
|
static int mtk_jpeg_queue_setup(struct vb2_queue *q,
|
unsigned int *num_buffers,
|
unsigned int *num_planes,
|
unsigned int sizes[],
|
struct device *alloc_ctxs[])
|
{
|
struct mtk_jpeg_ctx *ctx = vb2_get_drv_priv(q);
|
struct mtk_jpeg_q_data *q_data = NULL;
|
struct mtk_jpeg_dev *jpeg = ctx->jpeg;
|
int i;
|
|
v4l2_dbg(1, debug, &jpeg->v4l2_dev, "(%d) buf_req count=%u\n",
|
q->type, *num_buffers);
|
|
q_data = mtk_jpeg_get_q_data(ctx, q->type);
|
if (!q_data)
|
return -EINVAL;
|
|
if (*num_planes) {
|
for (i = 0; i < *num_planes; i++)
|
if (sizes[i] < q_data->pix_mp.plane_fmt[i].sizeimage)
|
return -EINVAL;
|
return 0;
|
}
|
|
*num_planes = q_data->fmt->colplanes;
|
for (i = 0; i < q_data->fmt->colplanes; i++) {
|
sizes[i] = q_data->pix_mp.plane_fmt[i].sizeimage;
|
v4l2_dbg(1, debug, &jpeg->v4l2_dev, "sizeimage[%d]=%u\n",
|
i, sizes[i]);
|
}
|
|
return 0;
|
}
|
|
static int mtk_jpeg_buf_prepare(struct vb2_buffer *vb)
|
{
|
struct mtk_jpeg_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
|
struct mtk_jpeg_q_data *q_data = NULL;
|
struct v4l2_plane_pix_format plane_fmt = {};
|
int i;
|
|
q_data = mtk_jpeg_get_q_data(ctx, vb->vb2_queue->type);
|
if (!q_data)
|
return -EINVAL;
|
|
for (i = 0; i < q_data->fmt->colplanes; i++) {
|
plane_fmt = q_data->pix_mp.plane_fmt[i];
|
if (ctx->enable_exif &&
|
q_data->fmt->fourcc == V4L2_PIX_FMT_JPEG)
|
vb2_set_plane_payload(vb, i, plane_fmt.sizeimage +
|
MTK_JPEG_MAX_EXIF_SIZE);
|
else
|
vb2_set_plane_payload(vb, i, plane_fmt.sizeimage);
|
}
|
|
return 0;
|
}
|
|
static bool mtk_jpeg_check_resolution_change(struct mtk_jpeg_ctx *ctx,
|
struct mtk_jpeg_dec_param *param)
|
{
|
struct mtk_jpeg_dev *jpeg = ctx->jpeg;
|
struct mtk_jpeg_q_data *q_data;
|
|
q_data = &ctx->out_q;
|
if (q_data->pix_mp.width != param->pic_w ||
|
q_data->pix_mp.height != param->pic_h) {
|
v4l2_dbg(1, debug, &jpeg->v4l2_dev, "Picture size change\n");
|
return true;
|
}
|
|
q_data = &ctx->cap_q;
|
if (q_data->fmt !=
|
mtk_jpeg_find_format(jpeg->variant->formats,
|
jpeg->variant->num_formats, param->dst_fourcc,
|
MTK_JPEG_FMT_FLAG_CAPTURE)) {
|
v4l2_dbg(1, debug, &jpeg->v4l2_dev, "format change\n");
|
return true;
|
}
|
return false;
|
}
|
|
static void mtk_jpeg_set_queue_data(struct mtk_jpeg_ctx *ctx,
|
struct mtk_jpeg_dec_param *param)
|
{
|
struct mtk_jpeg_dev *jpeg = ctx->jpeg;
|
struct mtk_jpeg_q_data *q_data;
|
int i;
|
|
q_data = &ctx->out_q;
|
q_data->pix_mp.width = param->pic_w;
|
q_data->pix_mp.height = param->pic_h;
|
|
q_data = &ctx->cap_q;
|
q_data->pix_mp.width = param->dec_w;
|
q_data->pix_mp.height = param->dec_h;
|
q_data->fmt = mtk_jpeg_find_format(jpeg->variant->formats,
|
jpeg->variant->num_formats,
|
param->dst_fourcc,
|
MTK_JPEG_FMT_FLAG_CAPTURE);
|
|
for (i = 0; i < q_data->fmt->colplanes; i++) {
|
q_data->pix_mp.plane_fmt[i].bytesperline = param->mem_stride[i];
|
q_data->pix_mp.plane_fmt[i].sizeimage = param->comp_size[i];
|
}
|
|
v4l2_dbg(1, debug, &jpeg->v4l2_dev,
|
"set_parse cap:%c%c%c%c pic(%u, %u), buf(%u, %u)\n",
|
(param->dst_fourcc & 0xff),
|
(param->dst_fourcc >> 8 & 0xff),
|
(param->dst_fourcc >> 16 & 0xff),
|
(param->dst_fourcc >> 24 & 0xff),
|
param->pic_w, param->pic_h,
|
param->dec_w, param->dec_h);
|
}
|
|
static void mtk_jpeg_enc_buf_queue(struct vb2_buffer *vb)
|
{
|
struct mtk_jpeg_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
|
struct mtk_jpeg_dev *jpeg = ctx->jpeg;
|
|
v4l2_dbg(2, debug, &jpeg->v4l2_dev, "(%d) buf_q id=%d, vb=%p\n",
|
vb->vb2_queue->type, vb->index, vb);
|
|
v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, to_vb2_v4l2_buffer(vb));
|
}
|
|
static void mtk_jpeg_dec_buf_queue(struct vb2_buffer *vb)
|
{
|
struct mtk_jpeg_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
|
struct mtk_jpeg_dec_param *param;
|
struct mtk_jpeg_dev *jpeg = ctx->jpeg;
|
struct mtk_jpeg_src_buf *jpeg_src_buf;
|
bool header_valid;
|
|
v4l2_dbg(2, debug, &jpeg->v4l2_dev, "(%d) buf_q id=%d, vb=%p\n",
|
vb->vb2_queue->type, vb->index, vb);
|
|
if (vb->vb2_queue->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
|
goto end;
|
|
jpeg_src_buf = mtk_jpeg_vb2_to_srcbuf(vb);
|
param = &jpeg_src_buf->dec_param;
|
memset(param, 0, sizeof(*param));
|
|
header_valid = mtk_jpeg_parse(param, (u8 *)vb2_plane_vaddr(vb, 0),
|
vb2_get_plane_payload(vb, 0));
|
if (!header_valid) {
|
v4l2_err(&jpeg->v4l2_dev, "Header invalid.\n");
|
vb2_buffer_done(vb, VB2_BUF_STATE_ERROR);
|
return;
|
}
|
|
if (ctx->state == MTK_JPEG_INIT) {
|
struct vb2_queue *dst_vq = v4l2_m2m_get_vq(
|
ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
|
|
mtk_jpeg_queue_src_chg_event(ctx);
|
mtk_jpeg_set_queue_data(ctx, param);
|
ctx->state = vb2_is_streaming(dst_vq) ?
|
MTK_JPEG_SOURCE_CHANGE : MTK_JPEG_RUNNING;
|
}
|
end:
|
v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, to_vb2_v4l2_buffer(vb));
|
}
|
|
static struct vb2_v4l2_buffer *mtk_jpeg_buf_remove(struct mtk_jpeg_ctx *ctx,
|
enum v4l2_buf_type type)
|
{
|
if (V4L2_TYPE_IS_OUTPUT(type))
|
return v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
|
else
|
return v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
|
}
|
|
static void mtk_jpeg_enc_stop_streaming(struct vb2_queue *q)
|
{
|
struct mtk_jpeg_ctx *ctx = vb2_get_drv_priv(q);
|
struct vb2_v4l2_buffer *vb;
|
|
while ((vb = mtk_jpeg_buf_remove(ctx, q->type)))
|
v4l2_m2m_buf_done(vb, VB2_BUF_STATE_ERROR);
|
}
|
|
static void mtk_jpeg_dec_stop_streaming(struct vb2_queue *q)
|
{
|
struct mtk_jpeg_ctx *ctx = vb2_get_drv_priv(q);
|
struct vb2_v4l2_buffer *vb;
|
|
/*
|
* STREAMOFF is an acknowledgment for source change event.
|
* Before STREAMOFF, we still have to return the old resolution and
|
* subsampling. Update capture queue when the stream is off.
|
*/
|
if (ctx->state == MTK_JPEG_SOURCE_CHANGE &&
|
V4L2_TYPE_IS_CAPTURE(q->type)) {
|
struct mtk_jpeg_src_buf *src_buf;
|
|
vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
|
src_buf = mtk_jpeg_vb2_to_srcbuf(&vb->vb2_buf);
|
mtk_jpeg_set_queue_data(ctx, &src_buf->dec_param);
|
ctx->state = MTK_JPEG_RUNNING;
|
} else if (V4L2_TYPE_IS_OUTPUT(q->type)) {
|
ctx->state = MTK_JPEG_INIT;
|
}
|
|
while ((vb = mtk_jpeg_buf_remove(ctx, q->type)))
|
v4l2_m2m_buf_done(vb, VB2_BUF_STATE_ERROR);
|
}
|
|
static const struct vb2_ops mtk_jpeg_dec_qops = {
|
.queue_setup = mtk_jpeg_queue_setup,
|
.buf_prepare = mtk_jpeg_buf_prepare,
|
.buf_queue = mtk_jpeg_dec_buf_queue,
|
.wait_prepare = vb2_ops_wait_prepare,
|
.wait_finish = vb2_ops_wait_finish,
|
.stop_streaming = mtk_jpeg_dec_stop_streaming,
|
};
|
|
static const struct vb2_ops mtk_jpeg_enc_qops = {
|
.queue_setup = mtk_jpeg_queue_setup,
|
.buf_prepare = mtk_jpeg_buf_prepare,
|
.buf_queue = mtk_jpeg_enc_buf_queue,
|
.wait_prepare = vb2_ops_wait_prepare,
|
.wait_finish = vb2_ops_wait_finish,
|
.stop_streaming = mtk_jpeg_enc_stop_streaming,
|
};
|
|
static void mtk_jpeg_set_dec_src(struct mtk_jpeg_ctx *ctx,
|
struct vb2_buffer *src_buf,
|
struct mtk_jpeg_bs *bs)
|
{
|
bs->str_addr = vb2_dma_contig_plane_dma_addr(src_buf, 0);
|
bs->end_addr = bs->str_addr +
|
round_up(vb2_get_plane_payload(src_buf, 0), 16);
|
bs->size = round_up(vb2_plane_size(src_buf, 0), 128);
|
}
|
|
static int mtk_jpeg_set_dec_dst(struct mtk_jpeg_ctx *ctx,
|
struct mtk_jpeg_dec_param *param,
|
struct vb2_buffer *dst_buf,
|
struct mtk_jpeg_fb *fb)
|
{
|
int i;
|
|
if (param->comp_num != dst_buf->num_planes) {
|
dev_err(ctx->jpeg->dev, "plane number mismatch (%u != %u)\n",
|
param->comp_num, dst_buf->num_planes);
|
return -EINVAL;
|
}
|
|
for (i = 0; i < dst_buf->num_planes; i++) {
|
if (vb2_plane_size(dst_buf, i) < param->comp_size[i]) {
|
dev_err(ctx->jpeg->dev,
|
"buffer size is underflow (%lu < %u)\n",
|
vb2_plane_size(dst_buf, 0),
|
param->comp_size[i]);
|
return -EINVAL;
|
}
|
fb->plane_addr[i] = vb2_dma_contig_plane_dma_addr(dst_buf, i);
|
}
|
|
return 0;
|
}
|
|
static void mtk_jpeg_enc_device_run(void *priv)
|
{
|
struct mtk_jpeg_ctx *ctx = priv;
|
struct mtk_jpeg_dev *jpeg = ctx->jpeg;
|
struct vb2_v4l2_buffer *src_buf, *dst_buf;
|
enum vb2_buffer_state buf_state = VB2_BUF_STATE_ERROR;
|
unsigned long flags;
|
int ret;
|
|
src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
|
dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
|
|
ret = pm_runtime_get_sync(jpeg->dev);
|
if (ret < 0)
|
goto enc_end;
|
|
schedule_delayed_work(&jpeg->job_timeout_work,
|
msecs_to_jiffies(MTK_JPEG_HW_TIMEOUT_MSEC));
|
|
spin_lock_irqsave(&jpeg->hw_lock, flags);
|
|
/*
|
* Resetting the hardware every frame is to ensure that all the
|
* registers are cleared. This is a hardware requirement.
|
*/
|
mtk_jpeg_enc_reset(jpeg->reg_base);
|
|
mtk_jpeg_set_enc_src(ctx, jpeg->reg_base, &src_buf->vb2_buf);
|
mtk_jpeg_set_enc_dst(ctx, jpeg->reg_base, &dst_buf->vb2_buf);
|
mtk_jpeg_set_enc_params(ctx, jpeg->reg_base);
|
mtk_jpeg_enc_start(jpeg->reg_base);
|
spin_unlock_irqrestore(&jpeg->hw_lock, flags);
|
return;
|
|
enc_end:
|
v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
|
v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
|
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);
|
}
|
|
static void mtk_jpeg_dec_device_run(void *priv)
|
{
|
struct mtk_jpeg_ctx *ctx = priv;
|
struct mtk_jpeg_dev *jpeg = ctx->jpeg;
|
struct vb2_v4l2_buffer *src_buf, *dst_buf;
|
enum vb2_buffer_state buf_state = VB2_BUF_STATE_ERROR;
|
unsigned long flags;
|
struct mtk_jpeg_src_buf *jpeg_src_buf;
|
struct mtk_jpeg_bs bs;
|
struct mtk_jpeg_fb fb;
|
int ret;
|
|
src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
|
dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
|
jpeg_src_buf = mtk_jpeg_vb2_to_srcbuf(&src_buf->vb2_buf);
|
|
if (mtk_jpeg_check_resolution_change(ctx, &jpeg_src_buf->dec_param)) {
|
mtk_jpeg_queue_src_chg_event(ctx);
|
ctx->state = MTK_JPEG_SOURCE_CHANGE;
|
v4l2_m2m_job_finish(jpeg->m2m_dev, ctx->fh.m2m_ctx);
|
return;
|
}
|
|
ret = pm_runtime_get_sync(jpeg->dev);
|
if (ret < 0)
|
goto dec_end;
|
|
schedule_delayed_work(&jpeg->job_timeout_work,
|
msecs_to_jiffies(MTK_JPEG_HW_TIMEOUT_MSEC));
|
|
mtk_jpeg_set_dec_src(ctx, &src_buf->vb2_buf, &bs);
|
if (mtk_jpeg_set_dec_dst(ctx, &jpeg_src_buf->dec_param, &dst_buf->vb2_buf, &fb))
|
goto dec_end;
|
|
spin_lock_irqsave(&jpeg->hw_lock, flags);
|
mtk_jpeg_dec_reset(jpeg->reg_base);
|
mtk_jpeg_dec_set_config(jpeg->reg_base,
|
&jpeg_src_buf->dec_param, &bs, &fb);
|
|
mtk_jpeg_dec_start(jpeg->reg_base);
|
spin_unlock_irqrestore(&jpeg->hw_lock, flags);
|
return;
|
|
dec_end:
|
v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
|
v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
|
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);
|
}
|
|
static int mtk_jpeg_dec_job_ready(void *priv)
|
{
|
struct mtk_jpeg_ctx *ctx = priv;
|
|
return (ctx->state == MTK_JPEG_RUNNING) ? 1 : 0;
|
}
|
|
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,
|
};
|
|
static int mtk_jpeg_queue_init(void *priv, struct vb2_queue *src_vq,
|
struct vb2_queue *dst_vq)
|
{
|
struct mtk_jpeg_ctx *ctx = priv;
|
struct mtk_jpeg_dev *jpeg = ctx->jpeg;
|
int ret;
|
|
src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
|
src_vq->io_modes = VB2_DMABUF | VB2_MMAP;
|
src_vq->drv_priv = ctx;
|
src_vq->buf_struct_size = sizeof(struct mtk_jpeg_src_buf);
|
src_vq->ops = jpeg->variant->qops;
|
src_vq->mem_ops = &vb2_dma_contig_memops;
|
src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
|
src_vq->lock = &ctx->jpeg->lock;
|
src_vq->dev = ctx->jpeg->dev;
|
ret = vb2_queue_init(src_vq);
|
if (ret)
|
return ret;
|
|
dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
|
dst_vq->io_modes = VB2_DMABUF | VB2_MMAP;
|
dst_vq->drv_priv = ctx;
|
dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
|
dst_vq->ops = jpeg->variant->qops;
|
dst_vq->mem_ops = &vb2_dma_contig_memops;
|
dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
|
dst_vq->lock = &ctx->jpeg->lock;
|
dst_vq->dev = ctx->jpeg->dev;
|
ret = vb2_queue_init(dst_vq);
|
|
return ret;
|
}
|
|
static void mtk_jpeg_clk_on(struct mtk_jpeg_dev *jpeg)
|
{
|
int ret;
|
|
ret = mtk_smi_larb_get(jpeg->larb);
|
if (ret)
|
dev_err(jpeg->dev, "mtk_smi_larb_get larbvdec fail %d\n", ret);
|
|
ret = clk_bulk_prepare_enable(jpeg->variant->num_clks,
|
jpeg->variant->clks);
|
if (ret)
|
dev_err(jpeg->dev, "Failed to open jpeg clk: %d\n", ret);
|
}
|
|
static void mtk_jpeg_clk_off(struct mtk_jpeg_dev *jpeg)
|
{
|
clk_bulk_disable_unprepare(jpeg->variant->num_clks,
|
jpeg->variant->clks);
|
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;
|
struct mtk_jpeg_ctx *ctx;
|
struct vb2_v4l2_buffer *src_buf, *dst_buf;
|
struct mtk_jpeg_src_buf *jpeg_src_buf;
|
enum vb2_buffer_state buf_state = VB2_BUF_STATE_ERROR;
|
u32 dec_irq_ret;
|
u32 dec_ret;
|
int i;
|
|
cancel_delayed_work(&jpeg->job_timeout_work);
|
|
dec_ret = mtk_jpeg_dec_get_int_status(jpeg->reg_base);
|
dec_irq_ret = mtk_jpeg_dec_enum_result(dec_ret);
|
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);
|
jpeg_src_buf = mtk_jpeg_vb2_to_srcbuf(&src_buf->vb2_buf);
|
|
if (dec_irq_ret >= MTK_JPEG_DEC_RESULT_UNDERFLOW)
|
mtk_jpeg_dec_reset(jpeg->reg_base);
|
|
if (dec_irq_ret != MTK_JPEG_DEC_RESULT_EOF_DONE) {
|
dev_err(jpeg->dev, "decode failed\n");
|
goto dec_end;
|
}
|
|
for (i = 0; i < dst_buf->vb2_buf.num_planes; i++)
|
vb2_set_plane_payload(&dst_buf->vb2_buf, i,
|
jpeg_src_buf->dec_param.comp_size[i]);
|
|
buf_state = VB2_BUF_STATE_DONE;
|
|
dec_end:
|
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 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;
|
q->pix_mp.xfer_func = V4L2_XFER_FUNC_SRGB;
|
|
q->fmt = mtk_jpeg_find_format(jpeg->variant->formats,
|
jpeg->variant->num_formats,
|
jpeg->variant->out_q_default_fourcc,
|
MTK_JPEG_FMT_FLAG_OUTPUT);
|
q->pix_mp.width = MTK_JPEG_MIN_WIDTH;
|
q->pix_mp.height = MTK_JPEG_MIN_HEIGHT;
|
mtk_jpeg_try_fmt_mplane(&q->pix_mp, q->fmt);
|
|
q = &ctx->cap_q;
|
q->fmt = mtk_jpeg_find_format(jpeg->variant->formats,
|
jpeg->variant->num_formats,
|
jpeg->variant->cap_q_default_fourcc,
|
MTK_JPEG_FMT_FLAG_CAPTURE);
|
q->pix_mp.colorspace = V4L2_COLORSPACE_SRGB;
|
q->pix_mp.ycbcr_enc = V4L2_YCBCR_ENC_601;
|
q->pix_mp.quantization = V4L2_QUANTIZATION_FULL_RANGE;
|
q->pix_mp.xfer_func = V4L2_XFER_FUNC_SRGB;
|
q->pix_mp.width = MTK_JPEG_MIN_WIDTH;
|
q->pix_mp.height = MTK_JPEG_MIN_HEIGHT;
|
|
mtk_jpeg_try_fmt_mplane(&q->pix_mp, q->fmt);
|
}
|
|
static int mtk_jpeg_open(struct file *file)
|
{
|
struct mtk_jpeg_dev *jpeg = video_drvdata(file);
|
struct video_device *vfd = video_devdata(file);
|
struct mtk_jpeg_ctx *ctx;
|
int ret = 0;
|
|
ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
|
if (!ctx)
|
return -ENOMEM;
|
|
if (mutex_lock_interruptible(&jpeg->lock)) {
|
ret = -ERESTARTSYS;
|
goto free;
|
}
|
|
v4l2_fh_init(&ctx->fh, vfd);
|
file->private_data = &ctx->fh;
|
v4l2_fh_add(&ctx->fh);
|
|
ctx->jpeg = jpeg;
|
ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(jpeg->m2m_dev, ctx,
|
mtk_jpeg_queue_init);
|
if (IS_ERR(ctx->fh.m2m_ctx)) {
|
ret = PTR_ERR(ctx->fh.m2m_ctx);
|
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;
|
|
error:
|
v4l2_fh_del(&ctx->fh);
|
v4l2_fh_exit(&ctx->fh);
|
mutex_unlock(&jpeg->lock);
|
free:
|
kfree(ctx);
|
return ret;
|
}
|
|
static int mtk_jpeg_release(struct file *file)
|
{
|
struct mtk_jpeg_dev *jpeg = video_drvdata(file);
|
struct mtk_jpeg_ctx *ctx = mtk_jpeg_fh_to_ctx(file->private_data);
|
|
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);
|
mutex_unlock(&jpeg->lock);
|
return 0;
|
}
|
|
static const struct v4l2_file_operations mtk_jpeg_fops = {
|
.owner = THIS_MODULE,
|
.open = mtk_jpeg_open,
|
.release = mtk_jpeg_release,
|
.poll = v4l2_m2m_fop_poll,
|
.unlocked_ioctl = video_ioctl2,
|
.mmap = v4l2_m2m_fop_mmap,
|
};
|
|
static struct clk_bulk_data mt8173_jpeg_dec_clocks[] = {
|
{ .id = "jpgdec-smi" },
|
{ .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;
|
struct platform_device *pdev;
|
int ret;
|
|
node = of_parse_phandle(jpeg->dev->of_node, "mediatek,larb", 0);
|
if (!node)
|
return -EINVAL;
|
pdev = of_find_device_by_node(node);
|
if (WARN_ON(!pdev)) {
|
of_node_put(node);
|
return -EINVAL;
|
}
|
of_node_put(node);
|
|
jpeg->larb = &pdev->dev;
|
|
ret = devm_clk_bulk_get(jpeg->dev, jpeg->variant->num_clks,
|
jpeg->variant->clks);
|
if (ret) {
|
dev_err(&pdev->dev, "failed to get jpeg clock:%d\n", ret);
|
put_device(&pdev->dev);
|
return ret;
|
}
|
|
return 0;
|
}
|
|
static void mtk_jpeg_job_timeout_work(struct work_struct *work)
|
{
|
struct mtk_jpeg_dev *jpeg = container_of(work, struct mtk_jpeg_dev,
|
job_timeout_work.work);
|
struct mtk_jpeg_ctx *ctx;
|
struct vb2_v4l2_buffer *src_buf, *dst_buf;
|
|
ctx = v4l2_m2m_get_curr_priv(jpeg->m2m_dev);
|
src_buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
|
dst_buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
|
|
jpeg->variant->hw_reset(jpeg->reg_base);
|
|
pm_runtime_put(jpeg->dev);
|
|
v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_ERROR);
|
v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_ERROR);
|
v4l2_m2m_job_finish(jpeg->m2m_dev, ctx->fh.m2m_ctx);
|
}
|
|
static inline void mtk_jpeg_clk_release(struct mtk_jpeg_dev *jpeg)
|
{
|
put_device(jpeg->larb);
|
}
|
|
static int mtk_jpeg_probe(struct platform_device *pdev)
|
{
|
struct mtk_jpeg_dev *jpeg;
|
struct resource *res;
|
int jpeg_irq;
|
int ret;
|
|
jpeg = devm_kzalloc(&pdev->dev, sizeof(*jpeg), GFP_KERNEL);
|
if (!jpeg)
|
return -ENOMEM;
|
|
mutex_init(&jpeg->lock);
|
spin_lock_init(&jpeg->hw_lock);
|
jpeg->dev = &pdev->dev;
|
jpeg->variant = of_device_get_match_data(jpeg->dev);
|
INIT_DELAYED_WORK(&jpeg->job_timeout_work, mtk_jpeg_job_timeout_work);
|
|
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
jpeg->reg_base = devm_ioremap_resource(&pdev->dev, res);
|
if (IS_ERR(jpeg->reg_base)) {
|
ret = PTR_ERR(jpeg->reg_base);
|
return ret;
|
}
|
|
jpeg_irq = platform_get_irq(pdev, 0);
|
if (jpeg_irq < 0) {
|
dev_err(&pdev->dev, "Failed to get jpeg_irq %d.\n", jpeg_irq);
|
return jpeg_irq;
|
}
|
|
ret = devm_request_irq(&pdev->dev, jpeg_irq,
|
jpeg->variant->irq_handler, 0, pdev->name, jpeg);
|
if (ret) {
|
dev_err(&pdev->dev, "Failed to request jpeg_irq %d (%d)\n",
|
jpeg_irq, ret);
|
goto err_req_irq;
|
}
|
|
ret = mtk_jpeg_clk_init(jpeg);
|
if (ret) {
|
dev_err(&pdev->dev, "Failed to init clk, err %d\n", ret);
|
goto err_clk_init;
|
}
|
|
ret = v4l2_device_register(&pdev->dev, &jpeg->v4l2_dev);
|
if (ret) {
|
dev_err(&pdev->dev, "Failed to register v4l2 device\n");
|
ret = -EINVAL;
|
goto err_dev_register;
|
}
|
|
jpeg->m2m_dev = v4l2_m2m_init(jpeg->variant->m2m_ops);
|
|
if (IS_ERR(jpeg->m2m_dev)) {
|
v4l2_err(&jpeg->v4l2_dev, "Failed to init mem2mem device\n");
|
ret = PTR_ERR(jpeg->m2m_dev);
|
goto err_m2m_init;
|
}
|
|
jpeg->vdev = video_device_alloc();
|
if (!jpeg->vdev) {
|
ret = -ENOMEM;
|
goto err_vfd_jpeg_alloc;
|
}
|
snprintf(jpeg->vdev->name, sizeof(jpeg->vdev->name),
|
"%s", jpeg->variant->dev_name);
|
jpeg->vdev->fops = &mtk_jpeg_fops;
|
jpeg->vdev->ioctl_ops = jpeg->variant->ioctl_ops;
|
jpeg->vdev->minor = -1;
|
jpeg->vdev->release = video_device_release;
|
jpeg->vdev->lock = &jpeg->lock;
|
jpeg->vdev->v4l2_dev = &jpeg->v4l2_dev;
|
jpeg->vdev->vfl_dir = VFL_DIR_M2M;
|
jpeg->vdev->device_caps = V4L2_CAP_STREAMING |
|
V4L2_CAP_VIDEO_M2M_MPLANE;
|
|
ret = video_register_device(jpeg->vdev, VFL_TYPE_VIDEO, -1);
|
if (ret) {
|
v4l2_err(&jpeg->v4l2_dev, "Failed to register video device\n");
|
goto err_vfd_jpeg_register;
|
}
|
|
video_set_drvdata(jpeg->vdev, jpeg);
|
v4l2_info(&jpeg->v4l2_dev,
|
"%s device registered as /dev/video%d (%d,%d)\n",
|
jpeg->variant->dev_name, jpeg->vdev->num,
|
VIDEO_MAJOR, jpeg->vdev->minor);
|
|
platform_set_drvdata(pdev, jpeg);
|
|
pm_runtime_enable(&pdev->dev);
|
|
return 0;
|
|
err_vfd_jpeg_register:
|
video_device_release(jpeg->vdev);
|
|
err_vfd_jpeg_alloc:
|
v4l2_m2m_release(jpeg->m2m_dev);
|
|
err_m2m_init:
|
v4l2_device_unregister(&jpeg->v4l2_dev);
|
|
err_dev_register:
|
mtk_jpeg_clk_release(jpeg);
|
|
err_clk_init:
|
|
err_req_irq:
|
|
return ret;
|
}
|
|
static int mtk_jpeg_remove(struct platform_device *pdev)
|
{
|
struct mtk_jpeg_dev *jpeg = platform_get_drvdata(pdev);
|
|
pm_runtime_disable(&pdev->dev);
|
video_unregister_device(jpeg->vdev);
|
video_device_release(jpeg->vdev);
|
v4l2_m2m_release(jpeg->m2m_dev);
|
v4l2_device_unregister(&jpeg->v4l2_dev);
|
mtk_jpeg_clk_release(jpeg);
|
|
return 0;
|
}
|
|
static __maybe_unused int mtk_jpeg_pm_suspend(struct device *dev)
|
{
|
struct mtk_jpeg_dev *jpeg = dev_get_drvdata(dev);
|
|
mtk_jpeg_clk_off(jpeg);
|
|
return 0;
|
}
|
|
static __maybe_unused int mtk_jpeg_pm_resume(struct device *dev)
|
{
|
struct mtk_jpeg_dev *jpeg = dev_get_drvdata(dev);
|
|
mtk_jpeg_clk_on(jpeg);
|
|
return 0;
|
}
|
|
static __maybe_unused int mtk_jpeg_suspend(struct device *dev)
|
{
|
struct mtk_jpeg_dev *jpeg = dev_get_drvdata(dev);
|
|
v4l2_m2m_suspend(jpeg->m2m_dev);
|
return pm_runtime_force_suspend(dev);
|
}
|
|
static __maybe_unused int mtk_jpeg_resume(struct device *dev)
|
{
|
struct mtk_jpeg_dev *jpeg = dev_get_drvdata(dev);
|
int ret;
|
|
ret = pm_runtime_force_resume(dev);
|
if (ret < 0)
|
return ret;
|
|
v4l2_m2m_resume(jpeg->m2m_dev);
|
return ret;
|
}
|
|
static const struct dev_pm_ops mtk_jpeg_pm_ops = {
|
SET_SYSTEM_SLEEP_PM_OPS(mtk_jpeg_suspend, mtk_jpeg_resume)
|
SET_RUNTIME_PM_OPS(mtk_jpeg_pm_suspend, mtk_jpeg_pm_resume, NULL)
|
};
|
|
static const struct mtk_jpeg_variant mt8173_jpeg_drvdata = {
|
.clks = mt8173_jpeg_dec_clocks,
|
.num_clks = ARRAY_SIZE(mt8173_jpeg_dec_clocks),
|
.formats = mtk_jpeg_dec_formats,
|
.num_formats = MTK_JPEG_DEC_NUM_FORMATS,
|
.qops = &mtk_jpeg_dec_qops,
|
.irq_handler = mtk_jpeg_dec_irq,
|
.hw_reset = mtk_jpeg_dec_reset,
|
.m2m_ops = &mtk_jpeg_dec_m2m_ops,
|
.dev_name = "mtk-jpeg-dec",
|
.ioctl_ops = &mtk_jpeg_dec_ioctl_ops,
|
.out_q_default_fourcc = V4L2_PIX_FMT_JPEG,
|
.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",
|
.data = &mt8173_jpeg_drvdata,
|
},
|
{
|
.compatible = "mediatek,mt2701-jpgdec",
|
.data = &mt8173_jpeg_drvdata,
|
},
|
{
|
.compatible = "mediatek,mtk-jpgenc",
|
.data = &mtk_jpeg_drvdata,
|
},
|
{},
|
};
|
|
MODULE_DEVICE_TABLE(of, mtk_jpeg_match);
|
|
static struct platform_driver mtk_jpeg_driver = {
|
.probe = mtk_jpeg_probe,
|
.remove = mtk_jpeg_remove,
|
.driver = {
|
.name = MTK_JPEG_NAME,
|
.of_match_table = mtk_jpeg_match,
|
.pm = &mtk_jpeg_pm_ops,
|
},
|
};
|
|
module_platform_driver(mtk_jpeg_driver);
|
|
MODULE_DESCRIPTION("MediaTek JPEG codec driver");
|
MODULE_LICENSE("GPL v2");
|
