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linuxdebug/drivers/media/platform/mediatek/mdp3/mtk-mdp3-regs.c

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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2022 MediaTek Inc.
* Author: Ping-Hsun Wu <ping-hsun.wu@mediatek.com>
*/
#include <linux/math64.h>
#include <media/v4l2-common.h>
#include <media/videobuf2-v4l2.h>
#include <media/videobuf2-dma-contig.h>
#include "mtk-mdp3-core.h"
#include "mtk-mdp3-regs.h"
#include "mtk-mdp3-m2m.h"
/*
* All 10-bit related formats are not added in the basic format list,
* please add the corresponding format settings before use.
*/
static const struct mdp_format mdp_formats[] = {
{
.pixelformat = V4L2_PIX_FMT_GREY,
.mdp_color = MDP_COLOR_GREY,
.depth = { 8 },
.row_depth = { 8 },
.num_planes = 1,
.flags = MDP_FMT_FLAG_OUTPUT | MDP_FMT_FLAG_CAPTURE,
}, {
.pixelformat = V4L2_PIX_FMT_RGB565X,
.mdp_color = MDP_COLOR_BGR565,
.depth = { 16 },
.row_depth = { 16 },
.num_planes = 1,
.flags = MDP_FMT_FLAG_OUTPUT | MDP_FMT_FLAG_CAPTURE,
}, {
.pixelformat = V4L2_PIX_FMT_RGB565,
.mdp_color = MDP_COLOR_RGB565,
.depth = { 16 },
.row_depth = { 16 },
.num_planes = 1,
.flags = MDP_FMT_FLAG_OUTPUT | MDP_FMT_FLAG_CAPTURE,
}, {
.pixelformat = V4L2_PIX_FMT_RGB24,
.mdp_color = MDP_COLOR_RGB888,
.depth = { 24 },
.row_depth = { 24 },
.num_planes = 1,
.flags = MDP_FMT_FLAG_OUTPUT | MDP_FMT_FLAG_CAPTURE,
}, {
.pixelformat = V4L2_PIX_FMT_BGR24,
.mdp_color = MDP_COLOR_BGR888,
.depth = { 24 },
.row_depth = { 24 },
.num_planes = 1,
.flags = MDP_FMT_FLAG_OUTPUT | MDP_FMT_FLAG_CAPTURE,
}, {
.pixelformat = V4L2_PIX_FMT_ABGR32,
.mdp_color = MDP_COLOR_BGRA8888,
.depth = { 32 },
.row_depth = { 32 },
.num_planes = 1,
.flags = MDP_FMT_FLAG_OUTPUT | MDP_FMT_FLAG_CAPTURE,
}, {
.pixelformat = V4L2_PIX_FMT_ARGB32,
.mdp_color = MDP_COLOR_ARGB8888,
.depth = { 32 },
.row_depth = { 32 },
.num_planes = 1,
.flags = MDP_FMT_FLAG_OUTPUT | MDP_FMT_FLAG_CAPTURE,
}, {
.pixelformat = V4L2_PIX_FMT_UYVY,
.mdp_color = MDP_COLOR_UYVY,
.depth = { 16 },
.row_depth = { 16 },
.num_planes = 1,
.walign = 1,
.flags = MDP_FMT_FLAG_OUTPUT | MDP_FMT_FLAG_CAPTURE,
}, {
.pixelformat = V4L2_PIX_FMT_VYUY,
.mdp_color = MDP_COLOR_VYUY,
.depth = { 16 },
.row_depth = { 16 },
.num_planes = 1,
.walign = 1,
.flags = MDP_FMT_FLAG_OUTPUT | MDP_FMT_FLAG_CAPTURE,
}, {
.pixelformat = V4L2_PIX_FMT_YUYV,
.mdp_color = MDP_COLOR_YUYV,
.depth = { 16 },
.row_depth = { 16 },
.num_planes = 1,
.walign = 1,
.flags = MDP_FMT_FLAG_OUTPUT | MDP_FMT_FLAG_CAPTURE,
}, {
.pixelformat = V4L2_PIX_FMT_YVYU,
.mdp_color = MDP_COLOR_YVYU,
.depth = { 16 },
.row_depth = { 16 },
.num_planes = 1,
.walign = 1,
.flags = MDP_FMT_FLAG_OUTPUT | MDP_FMT_FLAG_CAPTURE,
}, {
.pixelformat = V4L2_PIX_FMT_YUV420,
.mdp_color = MDP_COLOR_I420,
.depth = { 12 },
.row_depth = { 8 },
.num_planes = 1,
.walign = 1,
.halign = 1,
.flags = MDP_FMT_FLAG_OUTPUT | MDP_FMT_FLAG_CAPTURE,
}, {
.pixelformat = V4L2_PIX_FMT_YVU420,
.mdp_color = MDP_COLOR_YV12,
.depth = { 12 },
.row_depth = { 8 },
.num_planes = 1,
.walign = 1,
.halign = 1,
.flags = MDP_FMT_FLAG_OUTPUT | MDP_FMT_FLAG_CAPTURE,
}, {
.pixelformat = V4L2_PIX_FMT_NV12,
.mdp_color = MDP_COLOR_NV12,
.depth = { 12 },
.row_depth = { 8 },
.num_planes = 1,
.walign = 1,
.halign = 1,
.flags = MDP_FMT_FLAG_OUTPUT | MDP_FMT_FLAG_CAPTURE,
}, {
.pixelformat = V4L2_PIX_FMT_NV21,
.mdp_color = MDP_COLOR_NV21,
.depth = { 12 },
.row_depth = { 8 },
.num_planes = 1,
.walign = 1,
.halign = 1,
.flags = MDP_FMT_FLAG_OUTPUT | MDP_FMT_FLAG_CAPTURE,
}, {
.pixelformat = V4L2_PIX_FMT_NV16,
.mdp_color = MDP_COLOR_NV16,
.depth = { 16 },
.row_depth = { 8 },
.num_planes = 1,
.walign = 1,
.flags = MDP_FMT_FLAG_OUTPUT,
}, {
.pixelformat = V4L2_PIX_FMT_NV61,
.mdp_color = MDP_COLOR_NV61,
.depth = { 16 },
.row_depth = { 8 },
.num_planes = 1,
.walign = 1,
.flags = MDP_FMT_FLAG_OUTPUT,
}, {
.pixelformat = V4L2_PIX_FMT_NV24,
.mdp_color = MDP_COLOR_NV24,
.depth = { 24 },
.row_depth = { 8 },
.num_planes = 1,
.flags = MDP_FMT_FLAG_OUTPUT,
}, {
.pixelformat = V4L2_PIX_FMT_NV42,
.mdp_color = MDP_COLOR_NV42,
.depth = { 24 },
.row_depth = { 8 },
.num_planes = 1,
.flags = MDP_FMT_FLAG_OUTPUT,
}, {
.pixelformat = V4L2_PIX_FMT_MT21C,
.mdp_color = MDP_COLOR_420_BLK_UFO,
.depth = { 8, 4 },
.row_depth = { 8, 8 },
.num_planes = 2,
.walign = 4,
.halign = 5,
.flags = MDP_FMT_FLAG_OUTPUT,
}, {
.pixelformat = V4L2_PIX_FMT_MM21,
.mdp_color = MDP_COLOR_420_BLK,
.depth = { 8, 4 },
.row_depth = { 8, 8 },
.num_planes = 2,
.walign = 4,
.halign = 5,
.flags = MDP_FMT_FLAG_OUTPUT,
}, {
.pixelformat = V4L2_PIX_FMT_NV12M,
.mdp_color = MDP_COLOR_NV12,
.depth = { 8, 4 },
.row_depth = { 8, 8 },
.num_planes = 2,
.walign = 1,
.halign = 1,
.flags = MDP_FMT_FLAG_OUTPUT | MDP_FMT_FLAG_CAPTURE,
}, {
.pixelformat = V4L2_PIX_FMT_NV21M,
.mdp_color = MDP_COLOR_NV21,
.depth = { 8, 4 },
.row_depth = { 8, 8 },
.num_planes = 2,
.walign = 1,
.halign = 1,
.flags = MDP_FMT_FLAG_OUTPUT | MDP_FMT_FLAG_CAPTURE,
}, {
.pixelformat = V4L2_PIX_FMT_NV16M,
.mdp_color = MDP_COLOR_NV16,
.depth = { 8, 8 },
.row_depth = { 8, 8 },
.num_planes = 2,
.walign = 1,
.flags = MDP_FMT_FLAG_OUTPUT,
}, {
.pixelformat = V4L2_PIX_FMT_NV61M,
.mdp_color = MDP_COLOR_NV61,
.depth = { 8, 8 },
.row_depth = { 8, 8 },
.num_planes = 2,
.walign = 1,
.flags = MDP_FMT_FLAG_OUTPUT,
}, {
.pixelformat = V4L2_PIX_FMT_YUV420M,
.mdp_color = MDP_COLOR_I420,
.depth = { 8, 2, 2 },
.row_depth = { 8, 4, 4 },
.num_planes = 3,
.walign = 1,
.halign = 1,
.flags = MDP_FMT_FLAG_OUTPUT | MDP_FMT_FLAG_CAPTURE,
}, {
.pixelformat = V4L2_PIX_FMT_YVU420M,
.mdp_color = MDP_COLOR_YV12,
.depth = { 8, 2, 2 },
.row_depth = { 8, 4, 4 },
.num_planes = 3,
.walign = 1,
.halign = 1,
.flags = MDP_FMT_FLAG_OUTPUT | MDP_FMT_FLAG_CAPTURE,
}
};
static const struct mdp_limit mdp_def_limit = {
.out_limit = {
.wmin = 16,
.hmin = 16,
.wmax = 8176,
.hmax = 8176,
},
.cap_limit = {
.wmin = 2,
.hmin = 2,
.wmax = 8176,
.hmax = 8176,
},
.h_scale_up_max = 32,
.v_scale_up_max = 32,
.h_scale_down_max = 20,
.v_scale_down_max = 128,
};
static const struct mdp_format *mdp_find_fmt(u32 pixelformat, u32 type)
{
u32 i, flag;
flag = V4L2_TYPE_IS_OUTPUT(type) ? MDP_FMT_FLAG_OUTPUT :
MDP_FMT_FLAG_CAPTURE;
for (i = 0; i < ARRAY_SIZE(mdp_formats); ++i) {
if (!(mdp_formats[i].flags & flag))
continue;
if (mdp_formats[i].pixelformat == pixelformat)
return &mdp_formats[i];
}
return NULL;
}
static const struct mdp_format *mdp_find_fmt_by_index(u32 index, u32 type)
{
u32 i, flag, num = 0;
flag = V4L2_TYPE_IS_OUTPUT(type) ? MDP_FMT_FLAG_OUTPUT :
MDP_FMT_FLAG_CAPTURE;
for (i = 0; i < ARRAY_SIZE(mdp_formats); ++i) {
if (!(mdp_formats[i].flags & flag))
continue;
if (index == num)
return &mdp_formats[i];
num++;
}
return NULL;
}
enum mdp_ycbcr_profile mdp_map_ycbcr_prof_mplane(struct v4l2_format *f,
u32 mdp_color)
{
struct v4l2_pix_format_mplane *pix_mp = &f->fmt.pix_mp;
if (MDP_COLOR_IS_RGB(mdp_color))
return MDP_YCBCR_PROFILE_FULL_BT601;
switch (pix_mp->colorspace) {
case V4L2_COLORSPACE_JPEG:
return MDP_YCBCR_PROFILE_JPEG;
case V4L2_COLORSPACE_REC709:
case V4L2_COLORSPACE_DCI_P3:
if (pix_mp->quantization == V4L2_QUANTIZATION_FULL_RANGE)
return MDP_YCBCR_PROFILE_FULL_BT709;
return MDP_YCBCR_PROFILE_BT709;
case V4L2_COLORSPACE_BT2020:
if (pix_mp->quantization == V4L2_QUANTIZATION_FULL_RANGE)
return MDP_YCBCR_PROFILE_FULL_BT2020;
return MDP_YCBCR_PROFILE_BT2020;
default:
if (pix_mp->quantization == V4L2_QUANTIZATION_FULL_RANGE)
return MDP_YCBCR_PROFILE_FULL_BT601;
return MDP_YCBCR_PROFILE_BT601;
}
}
static void mdp_bound_align_image(u32 *w, u32 *h,
struct v4l2_frmsize_stepwise *s,
unsigned int salign)
{
unsigned int org_w, org_h;
org_w = *w;
org_h = *h;
v4l_bound_align_image(w, s->min_width, s->max_width, s->step_width,
h, s->min_height, s->max_height, s->step_height,
salign);
s->min_width = org_w;
s->min_height = org_h;
v4l2_apply_frmsize_constraints(w, h, s);
}
static int mdp_clamp_align(s32 *x, int min, int max, unsigned int align)
{
unsigned int mask;
if (min < 0 || max < 0)
return -ERANGE;
/* Bits that must be zero to be aligned */
mask = ~((1 << align) - 1);
min = 0 ? 0 : ((min + ~mask) & mask);
max = max & mask;
if ((unsigned int)min > (unsigned int)max)
return -ERANGE;
/* Clamp to aligned min and max */
*x = clamp(*x, min, max);
/* Round to nearest aligned value */
if (align)
*x = (*x + (1 << (align - 1))) & mask;
return 0;
}
int mdp_enum_fmt_mplane(struct v4l2_fmtdesc *f)
{
const struct mdp_format *fmt;
fmt = mdp_find_fmt_by_index(f->index, f->type);
if (!fmt)
return -EINVAL;
f->pixelformat = fmt->pixelformat;
return 0;
}
const struct mdp_format *mdp_try_fmt_mplane(struct v4l2_format *f,
struct mdp_frameparam *param,
u32 ctx_id)
{
struct device *dev = &param->ctx->mdp_dev->pdev->dev;
struct v4l2_pix_format_mplane *pix_mp = &f->fmt.pix_mp;
const struct mdp_format *fmt;
const struct mdp_pix_limit *pix_limit;
struct v4l2_frmsize_stepwise s;
u32 org_w, org_h;
unsigned int i;
fmt = mdp_find_fmt(pix_mp->pixelformat, f->type);
if (!fmt) {
fmt = mdp_find_fmt_by_index(0, f->type);
if (!fmt) {
dev_dbg(dev, "%d: pixelformat %c%c%c%c invalid", ctx_id,
(pix_mp->pixelformat & 0xff),
(pix_mp->pixelformat >> 8) & 0xff,
(pix_mp->pixelformat >> 16) & 0xff,
(pix_mp->pixelformat >> 24) & 0xff);
return NULL;
}
}
pix_mp->field = V4L2_FIELD_NONE;
pix_mp->flags = 0;
pix_mp->pixelformat = fmt->pixelformat;
if (V4L2_TYPE_IS_CAPTURE(f->type)) {
pix_mp->colorspace = param->colorspace;
pix_mp->xfer_func = param->xfer_func;
pix_mp->ycbcr_enc = param->ycbcr_enc;
pix_mp->quantization = param->quant;
}
pix_limit = V4L2_TYPE_IS_OUTPUT(f->type) ? &param->limit->out_limit :
&param->limit->cap_limit;
s.min_width = pix_limit->wmin;
s.max_width = pix_limit->wmax;
s.step_width = fmt->walign;
s.min_height = pix_limit->hmin;
s.max_height = pix_limit->hmax;
s.step_height = fmt->halign;
org_w = pix_mp->width;
org_h = pix_mp->height;
mdp_bound_align_image(&pix_mp->width, &pix_mp->height, &s, fmt->salign);
if (org_w != pix_mp->width || org_h != pix_mp->height)
dev_dbg(dev, "%d: size change: %ux%u to %ux%u", ctx_id,
org_w, org_h, pix_mp->width, pix_mp->height);
if (pix_mp->num_planes && pix_mp->num_planes != fmt->num_planes)
dev_dbg(dev, "%d num of planes change: %u to %u", ctx_id,
pix_mp->num_planes, fmt->num_planes);
pix_mp->num_planes = fmt->num_planes;
for (i = 0; i < pix_mp->num_planes; ++i) {
u32 min_bpl = (pix_mp->width * fmt->row_depth[i]) >> 3;
u32 max_bpl = (pix_limit->wmax * fmt->row_depth[i]) >> 3;
u32 bpl = pix_mp->plane_fmt[i].bytesperline;
u32 min_si, max_si;
u32 si = pix_mp->plane_fmt[i].sizeimage;
u64 di;
bpl = clamp(bpl, min_bpl, max_bpl);
pix_mp->plane_fmt[i].bytesperline = bpl;
di = (u64)bpl * pix_mp->height * fmt->depth[i];
min_si = (u32)div_u64(di, fmt->row_depth[i]);
di = (u64)bpl * s.max_height * fmt->depth[i];
max_si = (u32)div_u64(di, fmt->row_depth[i]);
si = clamp(si, min_si, max_si);
pix_mp->plane_fmt[i].sizeimage = si;
dev_dbg(dev, "%d: p%u, bpl:%u [%u, %u], sizeimage:%u [%u, %u]",
ctx_id, i, bpl, min_bpl, max_bpl, si, min_si, max_si);
}
return fmt;
}
static int mdp_clamp_start(s32 *x, int min, int max, unsigned int align,
u32 flags)
{
if (flags & V4L2_SEL_FLAG_GE)
max = *x;
if (flags & V4L2_SEL_FLAG_LE)
min = *x;
return mdp_clamp_align(x, min, max, align);
}
static int mdp_clamp_end(s32 *x, int min, int max, unsigned int align,
u32 flags)
{
if (flags & V4L2_SEL_FLAG_GE)
min = *x;
if (flags & V4L2_SEL_FLAG_LE)
max = *x;
return mdp_clamp_align(x, min, max, align);
}
int mdp_try_crop(struct mdp_m2m_ctx *ctx, struct v4l2_rect *r,
const struct v4l2_selection *s, struct mdp_frame *frame)
{
struct device *dev = &ctx->mdp_dev->pdev->dev;
s32 left, top, right, bottom;
u32 framew, frameh, walign, halign;
int ret;
dev_dbg(dev, "%d target:%d, set:(%d,%d) %ux%u", ctx->id,
s->target, s->r.left, s->r.top, s->r.width, s->r.height);
left = s->r.left;
top = s->r.top;
right = s->r.left + s->r.width;
bottom = s->r.top + s->r.height;
framew = frame->format.fmt.pix_mp.width;
frameh = frame->format.fmt.pix_mp.height;
if (mdp_target_is_crop(s->target)) {
walign = 1;
halign = 1;
} else {
walign = frame->mdp_fmt->walign;
halign = frame->mdp_fmt->halign;
}
dev_dbg(dev, "%d align:%u,%u, bound:%ux%u", ctx->id,
walign, halign, framew, frameh);
ret = mdp_clamp_start(&left, 0, right, walign, s->flags);
if (ret)
return ret;
ret = mdp_clamp_start(&top, 0, bottom, halign, s->flags);
if (ret)
return ret;
ret = mdp_clamp_end(&right, left, framew, walign, s->flags);
if (ret)
return ret;
ret = mdp_clamp_end(&bottom, top, frameh, halign, s->flags);
if (ret)
return ret;
r->left = left;
r->top = top;
r->width = right - left;
r->height = bottom - top;
dev_dbg(dev, "%d crop:(%d,%d) %ux%u", ctx->id,
r->left, r->top, r->width, r->height);
return 0;
}
int mdp_check_scaling_ratio(const struct v4l2_rect *crop,
const struct v4l2_rect *compose, s32 rotation,
const struct mdp_limit *limit)
{
u32 crop_w, crop_h, comp_w, comp_h;
crop_w = crop->width;
crop_h = crop->height;
if (90 == rotation || 270 == rotation) {
comp_w = compose->height;
comp_h = compose->width;
} else {
comp_w = compose->width;
comp_h = compose->height;
}
if ((crop_w / comp_w) > limit->h_scale_down_max ||
(crop_h / comp_h) > limit->v_scale_down_max ||
(comp_w / crop_w) > limit->h_scale_up_max ||
(comp_h / crop_h) > limit->v_scale_up_max)
return -ERANGE;
return 0;
}
/* Stride that is accepted by MDP HW */
static u32 mdp_fmt_get_stride(const struct mdp_format *fmt,
u32 bytesperline, unsigned int plane)
{
enum mdp_color c = fmt->mdp_color;
u32 stride;
stride = (bytesperline * MDP_COLOR_BITS_PER_PIXEL(c))
/ fmt->row_depth[0];
if (plane == 0)
return stride;
if (plane < MDP_COLOR_GET_PLANE_COUNT(c)) {
if (MDP_COLOR_IS_BLOCK_MODE(c))
stride = stride / 2;
return stride;
}
return 0;
}
/* Stride that is accepted by MDP HW of format with contiguous planes */
static u32 mdp_fmt_get_stride_contig(const struct mdp_format *fmt,
u32 pix_stride, unsigned int plane)
{
enum mdp_color c = fmt->mdp_color;
u32 stride = pix_stride;
if (plane == 0)
return stride;
if (plane < MDP_COLOR_GET_PLANE_COUNT(c)) {
stride = stride >> MDP_COLOR_GET_H_SUBSAMPLE(c);
if (MDP_COLOR_IS_UV_COPLANE(c) && !MDP_COLOR_IS_BLOCK_MODE(c))
stride = stride * 2;
return stride;
}
return 0;
}
/* Plane size that is accepted by MDP HW */
static u32 mdp_fmt_get_plane_size(const struct mdp_format *fmt,
u32 stride, u32 height, unsigned int plane)
{
enum mdp_color c = fmt->mdp_color;
u32 bytesperline;
bytesperline = (stride * fmt->row_depth[0])
/ MDP_COLOR_BITS_PER_PIXEL(c);
if (plane == 0)
return bytesperline * height;
if (plane < MDP_COLOR_GET_PLANE_COUNT(c)) {
height = height >> MDP_COLOR_GET_V_SUBSAMPLE(c);
if (MDP_COLOR_IS_BLOCK_MODE(c))
bytesperline = bytesperline * 2;
return bytesperline * height;
}
return 0;
}
static void mdp_prepare_buffer(struct img_image_buffer *b,
struct mdp_frame *frame, struct vb2_buffer *vb)
{
struct v4l2_pix_format_mplane *pix_mp = &frame->format.fmt.pix_mp;
unsigned int i;
b->format.colorformat = frame->mdp_fmt->mdp_color;
b->format.ycbcr_prof = frame->ycbcr_prof;
for (i = 0; i < pix_mp->num_planes; ++i) {
u32 stride = mdp_fmt_get_stride(frame->mdp_fmt,
pix_mp->plane_fmt[i].bytesperline, i);
b->format.plane_fmt[i].stride = stride;
b->format.plane_fmt[i].size =
mdp_fmt_get_plane_size(frame->mdp_fmt, stride,
pix_mp->height, i);
b->iova[i] = vb2_dma_contig_plane_dma_addr(vb, i);
}
for (; i < MDP_COLOR_GET_PLANE_COUNT(b->format.colorformat); ++i) {
u32 stride = mdp_fmt_get_stride_contig(frame->mdp_fmt,
b->format.plane_fmt[0].stride, i);
b->format.plane_fmt[i].stride = stride;
b->format.plane_fmt[i].size =
mdp_fmt_get_plane_size(frame->mdp_fmt, stride,
pix_mp->height, i);
b->iova[i] = b->iova[i - 1] + b->format.plane_fmt[i - 1].size;
}
b->usage = frame->usage;
}
void mdp_set_src_config(struct img_input *in,
struct mdp_frame *frame, struct vb2_buffer *vb)
{
in->buffer.format.width = frame->format.fmt.pix_mp.width;
in->buffer.format.height = frame->format.fmt.pix_mp.height;
mdp_prepare_buffer(&in->buffer, frame, vb);
}
static u32 mdp_to_fixed(u32 *r, struct v4l2_fract *f)
{
u32 q;
if (f->denominator == 0) {
*r = 0;
return 0;
}
q = f->numerator / f->denominator;
*r = div_u64(((u64)f->numerator - q * f->denominator) <<
IMG_SUBPIXEL_SHIFT, f->denominator);
return q;
}
static void mdp_set_src_crop(struct img_crop *c, struct mdp_crop *crop)
{
c->left = crop->c.left
+ mdp_to_fixed(&c->left_subpix, &crop->left_subpix);
c->top = crop->c.top
+ mdp_to_fixed(&c->top_subpix, &crop->top_subpix);
c->width = crop->c.width
+ mdp_to_fixed(&c->width_subpix, &crop->width_subpix);
c->height = crop->c.height
+ mdp_to_fixed(&c->height_subpix, &crop->height_subpix);
}
static void mdp_set_orientation(struct img_output *out,
s32 rotation, bool hflip, bool vflip)
{
u8 flip = 0;
if (hflip)
flip ^= 1;
if (vflip) {
/*
* A vertical flip is equivalent to
* a 180-degree rotation with a horizontal flip
*/
rotation += 180;
flip ^= 1;
}
out->rotation = rotation % 360;
if (flip != 0)
out->flags |= IMG_CTRL_FLAG_HFLIP;
else
out->flags &= ~IMG_CTRL_FLAG_HFLIP;
}
void mdp_set_dst_config(struct img_output *out,
struct mdp_frame *frame, struct vb2_buffer *vb)
{
out->buffer.format.width = frame->compose.width;
out->buffer.format.height = frame->compose.height;
mdp_prepare_buffer(&out->buffer, frame, vb);
mdp_set_src_crop(&out->crop, &frame->crop);
mdp_set_orientation(out, frame->rotation, frame->hflip, frame->vflip);
}
int mdp_frameparam_init(struct mdp_frameparam *param)
{
struct mdp_frame *frame;
if (!param)
return -EINVAL;
INIT_LIST_HEAD(&param->list);
param->limit = &mdp_def_limit;
param->type = MDP_STREAM_TYPE_BITBLT;
frame = &param->output;
frame->format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
frame->mdp_fmt = mdp_try_fmt_mplane(&frame->format, param, 0);
frame->ycbcr_prof =
mdp_map_ycbcr_prof_mplane(&frame->format,
frame->mdp_fmt->mdp_color);
frame->usage = MDP_BUFFER_USAGE_HW_READ;
param->num_captures = 1;
frame = &param->captures[0];
frame->format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
frame->mdp_fmt = mdp_try_fmt_mplane(&frame->format, param, 0);
frame->ycbcr_prof =
mdp_map_ycbcr_prof_mplane(&frame->format,
frame->mdp_fmt->mdp_color);
frame->usage = MDP_BUFFER_USAGE_MDP;
frame->crop.c.width = param->output.format.fmt.pix_mp.width;
frame->crop.c.height = param->output.format.fmt.pix_mp.height;
frame->compose.width = frame->format.fmt.pix_mp.width;
frame->compose.height = frame->format.fmt.pix_mp.height;
return 0;
}
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