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kernel_samsung_a34x-permissive/drivers/media/platform/qcom/venus/venc.c

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Import A346BXXU1AWB9 kernel source Android 13
2024-04-28 06:49:01 -07:00
/*
* Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.
* Copyright (C) 2017 Linaro Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#include <linux/clk.h>
#include <linux/module.h>
#include <linux/mod_devicetable.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/slab.h>
#include <media/v4l2-mem2mem.h>
#include <media/videobuf2-dma-sg.h>
#include <media/v4l2-ioctl.h>
#include <media/v4l2-event.h>
#include <media/v4l2-ctrls.h>
#include "hfi_venus_io.h"
#include "hfi_parser.h"
#include "core.h"
#include "helpers.h"
#include "venc.h"
#define NUM_B_FRAMES_MAX 4
/*
* Three resons to keep MPLANE formats (despite that the number of planes
* currently is one):
* - the MPLANE formats allow only one plane to be used
* - the downstream driver use MPLANE formats too
* - future firmware versions could add support for >1 planes
*/
static const struct venus_format venc_formats[] = {
{
.pixfmt = V4L2_PIX_FMT_NV12,
.num_planes = 1,
.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
}, {
.pixfmt = V4L2_PIX_FMT_MPEG4,
.num_planes = 1,
.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
}, {
.pixfmt = V4L2_PIX_FMT_H263,
.num_planes = 1,
.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
}, {
.pixfmt = V4L2_PIX_FMT_H264,
.num_planes = 1,
.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
}, {
.pixfmt = V4L2_PIX_FMT_VP8,
.num_planes = 1,
.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
}, {
.pixfmt = V4L2_PIX_FMT_HEVC,
.num_planes = 1,
.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
},
};
static const struct venus_format *
find_format(struct venus_inst *inst, u32 pixfmt, u32 type)
{
const struct venus_format *fmt = venc_formats;
unsigned int size = ARRAY_SIZE(venc_formats);
unsigned int i;
for (i = 0; i < size; i++) {
if (fmt[i].pixfmt == pixfmt)
break;
}
if (i == size || fmt[i].type != type)
return NULL;
if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
!venus_helper_check_codec(inst, fmt[i].pixfmt))
return NULL;
return &fmt[i];
}
static const struct venus_format *
find_format_by_index(struct venus_inst *inst, unsigned int index, u32 type)
{
const struct venus_format *fmt = venc_formats;
unsigned int size = ARRAY_SIZE(venc_formats);
unsigned int i, k = 0;
if (index > size)
return NULL;
for (i = 0; i < size; i++) {
bool valid;
if (fmt[i].type != type)
continue;
valid = type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE ||
venus_helper_check_codec(inst, fmt[i].pixfmt);
if (k == index && valid)
break;
if (valid)
k++;
}
if (i == size)
return NULL;
return &fmt[i];
}
static int venc_v4l2_to_hfi(int id, int value)
{
switch (id) {
case V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL:
switch (value) {
case V4L2_MPEG_VIDEO_MPEG4_LEVEL_0:
default:
return HFI_MPEG4_LEVEL_0;
case V4L2_MPEG_VIDEO_MPEG4_LEVEL_0B:
return HFI_MPEG4_LEVEL_0b;
case V4L2_MPEG_VIDEO_MPEG4_LEVEL_1:
return HFI_MPEG4_LEVEL_1;
case V4L2_MPEG_VIDEO_MPEG4_LEVEL_2:
return HFI_MPEG4_LEVEL_2;
case V4L2_MPEG_VIDEO_MPEG4_LEVEL_3:
return HFI_MPEG4_LEVEL_3;
case V4L2_MPEG_VIDEO_MPEG4_LEVEL_4:
return HFI_MPEG4_LEVEL_4;
case V4L2_MPEG_VIDEO_MPEG4_LEVEL_5:
return HFI_MPEG4_LEVEL_5;
}
case V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE:
switch (value) {
case V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE:
default:
return HFI_MPEG4_PROFILE_SIMPLE;
case V4L2_MPEG_VIDEO_MPEG4_PROFILE_ADVANCED_SIMPLE:
return HFI_MPEG4_PROFILE_ADVANCEDSIMPLE;
}
case V4L2_CID_MPEG_VIDEO_H264_PROFILE:
switch (value) {
case V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE:
return HFI_H264_PROFILE_BASELINE;
case V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE:
return HFI_H264_PROFILE_CONSTRAINED_BASE;
case V4L2_MPEG_VIDEO_H264_PROFILE_MAIN:
return HFI_H264_PROFILE_MAIN;
case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH:
default:
return HFI_H264_PROFILE_HIGH;
}
case V4L2_CID_MPEG_VIDEO_H264_LEVEL:
switch (value) {
case V4L2_MPEG_VIDEO_H264_LEVEL_1_0:
return HFI_H264_LEVEL_1;
case V4L2_MPEG_VIDEO_H264_LEVEL_1B:
return HFI_H264_LEVEL_1b;
case V4L2_MPEG_VIDEO_H264_LEVEL_1_1:
return HFI_H264_LEVEL_11;
case V4L2_MPEG_VIDEO_H264_LEVEL_1_2:
return HFI_H264_LEVEL_12;
case V4L2_MPEG_VIDEO_H264_LEVEL_1_3:
return HFI_H264_LEVEL_13;
case V4L2_MPEG_VIDEO_H264_LEVEL_2_0:
return HFI_H264_LEVEL_2;
case V4L2_MPEG_VIDEO_H264_LEVEL_2_1:
return HFI_H264_LEVEL_21;
case V4L2_MPEG_VIDEO_H264_LEVEL_2_2:
return HFI_H264_LEVEL_22;
case V4L2_MPEG_VIDEO_H264_LEVEL_3_0:
return HFI_H264_LEVEL_3;
case V4L2_MPEG_VIDEO_H264_LEVEL_3_1:
return HFI_H264_LEVEL_31;
case V4L2_MPEG_VIDEO_H264_LEVEL_3_2:
return HFI_H264_LEVEL_32;
case V4L2_MPEG_VIDEO_H264_LEVEL_4_0:
return HFI_H264_LEVEL_4;
case V4L2_MPEG_VIDEO_H264_LEVEL_4_1:
return HFI_H264_LEVEL_41;
case V4L2_MPEG_VIDEO_H264_LEVEL_4_2:
return HFI_H264_LEVEL_42;
case V4L2_MPEG_VIDEO_H264_LEVEL_5_0:
default:
return HFI_H264_LEVEL_5;
case V4L2_MPEG_VIDEO_H264_LEVEL_5_1:
return HFI_H264_LEVEL_51;
}
case V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE:
switch (value) {
case V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CAVLC:
default:
return HFI_H264_ENTROPY_CAVLC;
case V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CABAC:
return HFI_H264_ENTROPY_CABAC;
}
case V4L2_CID_MPEG_VIDEO_VP8_PROFILE:
switch (value) {
case 0:
default:
return HFI_VPX_PROFILE_VERSION_0;
case 1:
return HFI_VPX_PROFILE_VERSION_1;
case 2:
return HFI_VPX_PROFILE_VERSION_2;
case 3:
return HFI_VPX_PROFILE_VERSION_3;
}
case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE:
switch (value) {
case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED:
default:
return HFI_H264_DB_MODE_ALL_BOUNDARY;
case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED:
return HFI_H264_DB_MODE_DISABLE;
case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED_AT_SLICE_BOUNDARY:
return HFI_H264_DB_MODE_SKIP_SLICE_BOUNDARY;
}
case V4L2_CID_MPEG_VIDEO_HEVC_PROFILE:
switch (value) {
case V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN:
default:
return HFI_HEVC_PROFILE_MAIN;
case V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_STILL_PICTURE:
return HFI_HEVC_PROFILE_MAIN_STILL_PIC;
case V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_10:
return HFI_HEVC_PROFILE_MAIN10;
}
case V4L2_CID_MPEG_VIDEO_HEVC_LEVEL:
switch (value) {
case V4L2_MPEG_VIDEO_HEVC_LEVEL_1:
default:
return HFI_HEVC_LEVEL_1;
case V4L2_MPEG_VIDEO_HEVC_LEVEL_2:
return HFI_HEVC_LEVEL_2;
case V4L2_MPEG_VIDEO_HEVC_LEVEL_2_1:
return HFI_HEVC_LEVEL_21;
case V4L2_MPEG_VIDEO_HEVC_LEVEL_3:
return HFI_HEVC_LEVEL_3;
case V4L2_MPEG_VIDEO_HEVC_LEVEL_3_1:
return HFI_HEVC_LEVEL_31;
case V4L2_MPEG_VIDEO_HEVC_LEVEL_4:
return HFI_HEVC_LEVEL_4;
case V4L2_MPEG_VIDEO_HEVC_LEVEL_4_1:
return HFI_HEVC_LEVEL_41;
case V4L2_MPEG_VIDEO_HEVC_LEVEL_5:
return HFI_HEVC_LEVEL_5;
case V4L2_MPEG_VIDEO_HEVC_LEVEL_5_1:
return HFI_HEVC_LEVEL_51;
case V4L2_MPEG_VIDEO_HEVC_LEVEL_5_2:
return HFI_HEVC_LEVEL_52;
case V4L2_MPEG_VIDEO_HEVC_LEVEL_6:
return HFI_HEVC_LEVEL_6;
case V4L2_MPEG_VIDEO_HEVC_LEVEL_6_1:
return HFI_HEVC_LEVEL_61;
case V4L2_MPEG_VIDEO_HEVC_LEVEL_6_2:
return HFI_HEVC_LEVEL_62;
}
}
return 0;
}
static int
venc_querycap(struct file *file, void *fh, struct v4l2_capability *cap)
{
strlcpy(cap->driver, "qcom-venus", sizeof(cap->driver));
strlcpy(cap->card, "Qualcomm Venus video encoder", sizeof(cap->card));
strlcpy(cap->bus_info, "platform:qcom-venus", sizeof(cap->bus_info));
return 0;
}
static int venc_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f)
{
struct venus_inst *inst = to_inst(file);
const struct venus_format *fmt;
fmt = find_format_by_index(inst, f->index, f->type);
memset(f->reserved, 0, sizeof(f->reserved));
if (!fmt)
return -EINVAL;
f->pixelformat = fmt->pixfmt;
return 0;
}
static const struct venus_format *
venc_try_fmt_common(struct venus_inst *inst, struct v4l2_format *f)
{
struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
struct v4l2_plane_pix_format *pfmt = pixmp->plane_fmt;
const struct venus_format *fmt;
memset(pfmt[0].reserved, 0, sizeof(pfmt[0].reserved));
memset(pixmp->reserved, 0, sizeof(pixmp->reserved));
fmt = find_format(inst, pixmp->pixelformat, f->type);
if (!fmt) {
if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
pixmp->pixelformat = V4L2_PIX_FMT_H264;
else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
pixmp->pixelformat = V4L2_PIX_FMT_NV12;
else
return NULL;
fmt = find_format(inst, pixmp->pixelformat, f->type);
}
pixmp->width = clamp(pixmp->width, frame_width_min(inst),
frame_width_max(inst));
pixmp->height = clamp(pixmp->height, frame_height_min(inst),
frame_height_max(inst));
if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
pixmp->height = ALIGN(pixmp->height, 32);
pixmp->width = ALIGN(pixmp->width, 2);
pixmp->height = ALIGN(pixmp->height, 2);
if (pixmp->field == V4L2_FIELD_ANY)
pixmp->field = V4L2_FIELD_NONE;
pixmp->num_planes = fmt->num_planes;
pixmp->flags = 0;
pfmt[0].sizeimage = venus_helper_get_framesz(pixmp->pixelformat,
pixmp->width,
pixmp->height);
if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
pfmt[0].bytesperline = ALIGN(pixmp->width, 128);
else
pfmt[0].bytesperline = 0;
return fmt;
}
static int venc_try_fmt(struct file *file, void *fh, struct v4l2_format *f)
{
struct venus_inst *inst = to_inst(file);
venc_try_fmt_common(inst, f);
return 0;
}
static int venc_s_fmt(struct file *file, void *fh, struct v4l2_format *f)
{
struct venus_inst *inst = to_inst(file);
struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
struct v4l2_pix_format_mplane orig_pixmp;
const struct venus_format *fmt;
struct v4l2_format format;
u32 pixfmt_out = 0, pixfmt_cap = 0;
orig_pixmp = *pixmp;
fmt = venc_try_fmt_common(inst, f);
if (!fmt)
return -EINVAL;
if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
pixfmt_out = pixmp->pixelformat;
pixfmt_cap = inst->fmt_cap->pixfmt;
} else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
pixfmt_cap = pixmp->pixelformat;
pixfmt_out = inst->fmt_out->pixfmt;
}
memset(&format, 0, sizeof(format));
format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
format.fmt.pix_mp.pixelformat = pixfmt_out;
format.fmt.pix_mp.width = orig_pixmp.width;
format.fmt.pix_mp.height = orig_pixmp.height;
venc_try_fmt_common(inst, &format);
if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
inst->out_width = format.fmt.pix_mp.width;
inst->out_height = format.fmt.pix_mp.height;
inst->colorspace = pixmp->colorspace;
inst->ycbcr_enc = pixmp->ycbcr_enc;
inst->quantization = pixmp->quantization;
inst->xfer_func = pixmp->xfer_func;
}
memset(&format, 0, sizeof(format));
format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
format.fmt.pix_mp.pixelformat = pixfmt_cap;
format.fmt.pix_mp.width = orig_pixmp.width;
format.fmt.pix_mp.height = orig_pixmp.height;
venc_try_fmt_common(inst, &format);
inst->width = format.fmt.pix_mp.width;
inst->height = format.fmt.pix_mp.height;
if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
inst->fmt_out = fmt;
else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
inst->fmt_cap = fmt;
return 0;
}
static int venc_g_fmt(struct file *file, void *fh, struct v4l2_format *f)
{
struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
struct venus_inst *inst = to_inst(file);
const struct venus_format *fmt;
if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
fmt = inst->fmt_cap;
else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
fmt = inst->fmt_out;
else
return -EINVAL;
pixmp->pixelformat = fmt->pixfmt;
if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
pixmp->width = inst->width;
pixmp->height = inst->height;
pixmp->colorspace = inst->colorspace;
pixmp->ycbcr_enc = inst->ycbcr_enc;
pixmp->quantization = inst->quantization;
pixmp->xfer_func = inst->xfer_func;
} else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
pixmp->width = inst->out_width;
pixmp->height = inst->out_height;
}
venc_try_fmt_common(inst, f);
return 0;
}
static int
venc_g_selection(struct file *file, void *fh, struct v4l2_selection *s)
{
struct venus_inst *inst = to_inst(file);
if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
return -EINVAL;
switch (s->target) {
case V4L2_SEL_TGT_CROP_DEFAULT:
case V4L2_SEL_TGT_CROP_BOUNDS:
s->r.width = inst->width;
s->r.height = inst->height;
break;
case V4L2_SEL_TGT_CROP:
s->r.width = inst->out_width;
s->r.height = inst->out_height;
break;
default:
return -EINVAL;
}
s->r.top = 0;
s->r.left = 0;
return 0;
}
static int
venc_s_selection(struct file *file, void *fh, struct v4l2_selection *s)
{
struct venus_inst *inst = to_inst(file);
if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
return -EINVAL;
switch (s->target) {
case V4L2_SEL_TGT_CROP:
if (s->r.width != inst->out_width ||
s->r.height != inst->out_height ||
s->r.top != 0 || s->r.left != 0)
return -EINVAL;
break;
default:
return -EINVAL;
}
return 0;
}
static int venc_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
{
struct venus_inst *inst = to_inst(file);
struct v4l2_outputparm *out = &a->parm.output;
struct v4l2_fract *timeperframe = &out->timeperframe;
u64 us_per_frame, fps;
if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
return -EINVAL;
memset(out->reserved, 0, sizeof(out->reserved));
if (!timeperframe->denominator)
timeperframe->denominator = inst->timeperframe.denominator;
if (!timeperframe->numerator)
timeperframe->numerator = inst->timeperframe.numerator;
out->capability = V4L2_CAP_TIMEPERFRAME;
us_per_frame = timeperframe->numerator * (u64)USEC_PER_SEC;
do_div(us_per_frame, timeperframe->denominator);
if (!us_per_frame)
return -EINVAL;
fps = (u64)USEC_PER_SEC;
do_div(fps, us_per_frame);
inst->timeperframe = *timeperframe;
inst->fps = fps;
return 0;
}
static int venc_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
{
struct venus_inst *inst = to_inst(file);
if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
return -EINVAL;
a->parm.output.capability |= V4L2_CAP_TIMEPERFRAME;
a->parm.output.timeperframe = inst->timeperframe;
return 0;
}
static int venc_enum_framesizes(struct file *file, void *fh,
struct v4l2_frmsizeenum *fsize)
{
struct venus_inst *inst = to_inst(file);
const struct venus_format *fmt;
fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
fmt = find_format(inst, fsize->pixel_format,
V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
if (!fmt) {
fmt = find_format(inst, fsize->pixel_format,
V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
if (!fmt)
return -EINVAL;
}
if (fsize->index)
return -EINVAL;
fsize->stepwise.min_width = frame_width_min(inst);
fsize->stepwise.max_width = frame_width_max(inst);
fsize->stepwise.step_width = frame_width_step(inst);
fsize->stepwise.min_height = frame_height_min(inst);
fsize->stepwise.max_height = frame_height_max(inst);
fsize->stepwise.step_height = frame_height_step(inst);
return 0;
}
static int venc_enum_frameintervals(struct file *file, void *fh,
struct v4l2_frmivalenum *fival)
{
struct venus_inst *inst = to_inst(file);
const struct venus_format *fmt;
fival->type = V4L2_FRMIVAL_TYPE_STEPWISE;
fmt = find_format(inst, fival->pixel_format,
V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
if (!fmt) {
fmt = find_format(inst, fival->pixel_format,
V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
if (!fmt)
return -EINVAL;
}
if (fival->index)
return -EINVAL;
if (!fival->width || !fival->height)
return -EINVAL;
if (fival->width > frame_width_max(inst) ||
fival->width < frame_width_min(inst) ||
fival->height > frame_height_max(inst) ||
fival->height < frame_height_min(inst))
return -EINVAL;
fival->stepwise.min.numerator = 1;
fival->stepwise.min.denominator = frate_max(inst);
fival->stepwise.max.numerator = 1;
fival->stepwise.max.denominator = frate_min(inst);
fival->stepwise.step.numerator = 1;
fival->stepwise.step.denominator = frate_max(inst);
return 0;
}
static const struct v4l2_ioctl_ops venc_ioctl_ops = {
.vidioc_querycap = venc_querycap,
.vidioc_enum_fmt_vid_cap_mplane = venc_enum_fmt,
.vidioc_enum_fmt_vid_out_mplane = venc_enum_fmt,
.vidioc_s_fmt_vid_cap_mplane = venc_s_fmt,
.vidioc_s_fmt_vid_out_mplane = venc_s_fmt,
.vidioc_g_fmt_vid_cap_mplane = venc_g_fmt,
.vidioc_g_fmt_vid_out_mplane = venc_g_fmt,
.vidioc_try_fmt_vid_cap_mplane = venc_try_fmt,
.vidioc_try_fmt_vid_out_mplane = venc_try_fmt,
.vidioc_g_selection = venc_g_selection,
.vidioc_s_selection = venc_s_selection,
.vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
.vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
.vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
.vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
.vidioc_qbuf = v4l2_m2m_ioctl_qbuf,
.vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
.vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
.vidioc_streamon = v4l2_m2m_ioctl_streamon,
.vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
.vidioc_s_parm = venc_s_parm,
.vidioc_g_parm = venc_g_parm,
.vidioc_enum_framesizes = venc_enum_framesizes,
.vidioc_enum_frameintervals = venc_enum_frameintervals,
.vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
};
static int venc_set_properties(struct venus_inst *inst)
{
struct venc_controls *ctr = &inst->controls.enc;
struct hfi_intra_period intra_period;
struct hfi_profile_level pl;
struct hfi_framerate frate;
struct hfi_bitrate brate;
struct hfi_idr_period idrp;
u32 ptype, rate_control, bitrate, profile = 0, level = 0;
int ret;
ret = venus_helper_set_work_mode(inst, VIDC_WORK_MODE_2);
if (ret)
return ret;
ret = venus_helper_set_core_usage(inst, VIDC_CORE_ID_2);
if (ret)
return ret;
ptype = HFI_PROPERTY_CONFIG_FRAME_RATE;
frate.buffer_type = HFI_BUFFER_OUTPUT;
frate.framerate = inst->fps * (1 << 16);
ret = hfi_session_set_property(inst, ptype, &frate);
if (ret)
return ret;
if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264) {
struct hfi_h264_vui_timing_info info;
struct hfi_h264_entropy_control entropy;
struct hfi_h264_db_control deblock;
ptype = HFI_PROPERTY_PARAM_VENC_H264_VUI_TIMING_INFO;
info.enable = 1;
info.fixed_framerate = 1;
info.time_scale = NSEC_PER_SEC;
ret = hfi_session_set_property(inst, ptype, &info);
if (ret)
return ret;
ptype = HFI_PROPERTY_PARAM_VENC_H264_ENTROPY_CONTROL;
entropy.entropy_mode = venc_v4l2_to_hfi(
V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE,
ctr->h264_entropy_mode);
entropy.cabac_model = HFI_H264_CABAC_MODEL_0;
ret = hfi_session_set_property(inst, ptype, &entropy);
if (ret)
return ret;
ptype = HFI_PROPERTY_PARAM_VENC_H264_DEBLOCK_CONTROL;
deblock.mode = venc_v4l2_to_hfi(
V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE,
ctr->h264_loop_filter_mode);
deblock.slice_alpha_offset = ctr->h264_loop_filter_alpha;
deblock.slice_beta_offset = ctr->h264_loop_filter_beta;
ret = hfi_session_set_property(inst, ptype, &deblock);
if (ret)
return ret;
}
/* IDR periodicity, n:
* n = 0 - only the first I-frame is IDR frame
* n = 1 - all I-frames will be IDR frames
* n > 1 - every n-th I-frame will be IDR frame
*/
ptype = HFI_PROPERTY_CONFIG_VENC_IDR_PERIOD;
idrp.idr_period = 0;
ret = hfi_session_set_property(inst, ptype, &idrp);
if (ret)
return ret;
if (ctr->num_b_frames) {
u32 max_num_b_frames = NUM_B_FRAMES_MAX;
ptype = HFI_PROPERTY_PARAM_VENC_MAX_NUM_B_FRAMES;
ret = hfi_session_set_property(inst, ptype, &max_num_b_frames);
if (ret)
return ret;
}
ptype = HFI_PROPERTY_CONFIG_VENC_INTRA_PERIOD;
intra_period.pframes = ctr->num_p_frames;
intra_period.bframes = ctr->num_b_frames;
ret = hfi_session_set_property(inst, ptype, &intra_period);
if (ret)
return ret;
if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR)
rate_control = HFI_RATE_CONTROL_VBR_CFR;
else
rate_control = HFI_RATE_CONTROL_CBR_CFR;
ptype = HFI_PROPERTY_PARAM_VENC_RATE_CONTROL;
ret = hfi_session_set_property(inst, ptype, &rate_control);
if (ret)
return ret;
if (!ctr->bitrate)
bitrate = 64000;
else
bitrate = ctr->bitrate;
ptype = HFI_PROPERTY_CONFIG_VENC_TARGET_BITRATE;
brate.bitrate = bitrate;
brate.layer_id = 0;
ret = hfi_session_set_property(inst, ptype, &brate);
if (ret)
return ret;
if (!ctr->bitrate_peak)
bitrate *= 2;
else
bitrate = ctr->bitrate_peak;
ptype = HFI_PROPERTY_CONFIG_VENC_MAX_BITRATE;
brate.bitrate = bitrate;
brate.layer_id = 0;
ret = hfi_session_set_property(inst, ptype, &brate);
if (ret)
return ret;
if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264) {
profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_H264_PROFILE,
ctr->profile.h264);
level = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_H264_LEVEL,
ctr->level.h264);
} else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_VP8) {
profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_VP8_PROFILE,
ctr->profile.vpx);
level = 0;
} else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_MPEG4) {
profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE,
ctr->profile.mpeg4);
level = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL,
ctr->level.mpeg4);
} else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H263) {
profile = 0;
level = 0;
} else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_HEVC_PROFILE,
ctr->profile.hevc);
level = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_HEVC_LEVEL,
ctr->level.hevc);
}
ptype = HFI_PROPERTY_PARAM_PROFILE_LEVEL_CURRENT;
pl.profile = profile;
pl.level = level;
ret = hfi_session_set_property(inst, ptype, &pl);
if (ret)
return ret;
return 0;
}
static int venc_init_session(struct venus_inst *inst)
{
int ret;
ret = hfi_session_init(inst, inst->fmt_cap->pixfmt);
if (ret)
return ret;
ret = venus_helper_set_input_resolution(inst, inst->width,
inst->height);
if (ret)
goto deinit;
ret = venus_helper_set_output_resolution(inst, inst->width,
inst->height,
HFI_BUFFER_OUTPUT);
if (ret)
goto deinit;
ret = venus_helper_set_color_format(inst, inst->fmt_out->pixfmt);
if (ret)
goto deinit;
ret = venc_set_properties(inst);
if (ret)
goto deinit;
return 0;
deinit:
hfi_session_deinit(inst);
return ret;
}
static int venc_out_num_buffers(struct venus_inst *inst, unsigned int *num)
{
struct hfi_buffer_requirements bufreq;
int ret;
ret = venc_init_session(inst);
if (ret)
return ret;
ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
*num = bufreq.count_actual;
hfi_session_deinit(inst);
return ret;
}
static int venc_queue_setup(struct vb2_queue *q,
unsigned int *num_buffers, unsigned int *num_planes,
unsigned int sizes[], struct device *alloc_devs[])
{
struct venus_inst *inst = vb2_get_drv_priv(q);
unsigned int num, min = 4;
int ret = 0;
if (*num_planes) {
if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
*num_planes != inst->fmt_out->num_planes)
return -EINVAL;
if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
*num_planes != inst->fmt_cap->num_planes)
return -EINVAL;
if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
sizes[0] < inst->input_buf_size)
return -EINVAL;
if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
sizes[0] < inst->output_buf_size)
return -EINVAL;
return 0;
}
switch (q->type) {
case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
*num_planes = inst->fmt_out->num_planes;
ret = venc_out_num_buffers(inst, &num);
if (ret)
break;
num = max(num, min);
*num_buffers = max(*num_buffers, num);
inst->num_input_bufs = *num_buffers;
sizes[0] = venus_helper_get_framesz(inst->fmt_out->pixfmt,
inst->width,
inst->height);
inst->input_buf_size = sizes[0];
break;
case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
*num_planes = inst->fmt_cap->num_planes;
*num_buffers = max(*num_buffers, min);
inst->num_output_bufs = *num_buffers;
sizes[0] = venus_helper_get_framesz(inst->fmt_cap->pixfmt,
inst->width,
inst->height);
inst->output_buf_size = sizes[0];
break;
default:
ret = -EINVAL;
break;
}
return ret;
}
static int venc_verify_conf(struct venus_inst *inst)
{
enum hfi_version ver = inst->core->res->hfi_version;
struct hfi_buffer_requirements bufreq;
int ret;
if (!inst->num_input_bufs || !inst->num_output_bufs)
return -EINVAL;
ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq);
if (ret)
return ret;
if (inst->num_output_bufs < bufreq.count_actual ||
inst->num_output_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver))
return -EINVAL;
ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
if (ret)
return ret;
if (inst->num_input_bufs < bufreq.count_actual ||
inst->num_input_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver))
return -EINVAL;
return 0;
}
static int venc_start_streaming(struct vb2_queue *q, unsigned int count)
{
struct venus_inst *inst = vb2_get_drv_priv(q);
int ret;
mutex_lock(&inst->lock);
if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
inst->streamon_out = 1;
else
inst->streamon_cap = 1;
if (!(inst->streamon_out & inst->streamon_cap)) {
mutex_unlock(&inst->lock);
return 0;
}
venus_helper_init_instance(inst);
inst->sequence_cap = 0;
inst->sequence_out = 0;
ret = venc_init_session(inst);
if (ret)
goto bufs_done;
ret = venc_set_properties(inst);
if (ret)
goto deinit_sess;
ret = venc_verify_conf(inst);
if (ret)
goto deinit_sess;
ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs,
inst->num_output_bufs, 0);
if (ret)
goto deinit_sess;
ret = venus_helper_vb2_start_streaming(inst);
if (ret)
goto deinit_sess;
mutex_unlock(&inst->lock);
return 0;
deinit_sess:
hfi_session_deinit(inst);
bufs_done:
venus_helper_buffers_done(inst, VB2_BUF_STATE_QUEUED);
if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
inst->streamon_out = 0;
else
inst->streamon_cap = 0;
mutex_unlock(&inst->lock);
return ret;
}
static const struct vb2_ops venc_vb2_ops = {
.queue_setup = venc_queue_setup,
.buf_init = venus_helper_vb2_buf_init,
.buf_prepare = venus_helper_vb2_buf_prepare,
.start_streaming = venc_start_streaming,
.stop_streaming = venus_helper_vb2_stop_streaming,
.buf_queue = venus_helper_vb2_buf_queue,
};
static void venc_buf_done(struct venus_inst *inst, unsigned int buf_type,
u32 tag, u32 bytesused, u32 data_offset, u32 flags,
u32 hfi_flags, u64 timestamp_us)
{
struct vb2_v4l2_buffer *vbuf;
struct vb2_buffer *vb;
unsigned int type;
if (buf_type == HFI_BUFFER_INPUT)
type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
else
type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
vbuf = venus_helper_find_buf(inst, type, tag);
if (!vbuf)
return;
vbuf->flags = flags;
if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
vb = &vbuf->vb2_buf;
vb2_set_plane_payload(vb, 0, bytesused + data_offset);
vb->planes[0].data_offset = data_offset;
vb->timestamp = timestamp_us * NSEC_PER_USEC;
vbuf->sequence = inst->sequence_cap++;
} else {
vbuf->sequence = inst->sequence_out++;
}
v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE);
}
static void venc_event_notify(struct venus_inst *inst, u32 event,
struct hfi_event_data *data)
{
struct device *dev = inst->core->dev_enc;
if (event == EVT_SESSION_ERROR) {
inst->session_error = true;
dev_err(dev, "enc: event session error %x\n", inst->error);
}
}
static const struct hfi_inst_ops venc_hfi_ops = {
.buf_done = venc_buf_done,
.event_notify = venc_event_notify,
};
static const struct v4l2_m2m_ops venc_m2m_ops = {
.device_run = venus_helper_m2m_device_run,
.job_abort = venus_helper_m2m_job_abort,
};
static int m2m_queue_init(void *priv, struct vb2_queue *src_vq,
struct vb2_queue *dst_vq)
{
struct venus_inst *inst = priv;
int ret;
src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
src_vq->io_modes = VB2_MMAP | VB2_DMABUF;
src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
src_vq->ops = &venc_vb2_ops;
src_vq->mem_ops = &vb2_dma_sg_memops;
src_vq->drv_priv = inst;
src_vq->buf_struct_size = sizeof(struct venus_buffer);
src_vq->allow_zero_bytesused = 1;
src_vq->min_buffers_needed = 1;
src_vq->dev = inst->core->dev;
if (inst->core->res->hfi_version == HFI_VERSION_1XX)
src_vq->bidirectional = 1;
ret = vb2_queue_init(src_vq);
if (ret)
return ret;
dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
dst_vq->io_modes = VB2_MMAP | VB2_DMABUF;
dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
dst_vq->ops = &venc_vb2_ops;
dst_vq->mem_ops = &vb2_dma_sg_memops;
dst_vq->drv_priv = inst;
dst_vq->buf_struct_size = sizeof(struct venus_buffer);
dst_vq->allow_zero_bytesused = 1;
dst_vq->min_buffers_needed = 1;
dst_vq->dev = inst->core->dev;
ret = vb2_queue_init(dst_vq);
if (ret) {
vb2_queue_release(src_vq);
return ret;
}
return 0;
}
static void venc_inst_init(struct venus_inst *inst)
{
inst->fmt_cap = &venc_formats[2];
inst->fmt_out = &venc_formats[0];
inst->width = 1280;
inst->height = ALIGN(720, 32);
inst->out_width = 1280;
inst->out_height = 720;
inst->fps = 15;
inst->timeperframe.numerator = 1;
inst->timeperframe.denominator = 15;
inst->hfi_codec = HFI_VIDEO_CODEC_H264;
}
static int venc_open(struct file *file)
{
struct venus_core *core = video_drvdata(file);
struct venus_inst *inst;
int ret;
inst = kzalloc(sizeof(*inst), GFP_KERNEL);
if (!inst)
return -ENOMEM;
INIT_LIST_HEAD(&inst->dpbbufs);
INIT_LIST_HEAD(&inst->registeredbufs);
INIT_LIST_HEAD(&inst->internalbufs);
INIT_LIST_HEAD(&inst->list);
mutex_init(&inst->lock);
inst->core = core;
inst->session_type = VIDC_SESSION_TYPE_ENC;
venus_helper_init_instance(inst);
ret = pm_runtime_get_sync(core->dev_enc);
if (ret < 0)
goto err_free_inst;
ret = venc_ctrl_init(inst);
if (ret)
goto err_put_sync;
ret = hfi_session_create(inst, &venc_hfi_ops);
if (ret)
goto err_ctrl_deinit;
venc_inst_init(inst);
/*
* create m2m device for every instance, the m2m context scheduling
* is made by firmware side so we do not need to care about.
*/
inst->m2m_dev = v4l2_m2m_init(&venc_m2m_ops);
if (IS_ERR(inst->m2m_dev)) {
ret = PTR_ERR(inst->m2m_dev);
goto err_session_destroy;
}
inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, m2m_queue_init);
if (IS_ERR(inst->m2m_ctx)) {
ret = PTR_ERR(inst->m2m_ctx);
goto err_m2m_release;
}
v4l2_fh_init(&inst->fh, core->vdev_enc);
inst->fh.ctrl_handler = &inst->ctrl_handler;
v4l2_fh_add(&inst->fh);
inst->fh.m2m_ctx = inst->m2m_ctx;
file->private_data = &inst->fh;
return 0;
err_m2m_release:
v4l2_m2m_release(inst->m2m_dev);
err_session_destroy:
hfi_session_destroy(inst);
err_ctrl_deinit:
venc_ctrl_deinit(inst);
err_put_sync:
pm_runtime_put_sync(core->dev_enc);
err_free_inst:
kfree(inst);
return ret;
}
static int venc_close(struct file *file)
{
struct venus_inst *inst = to_inst(file);
v4l2_m2m_ctx_release(inst->m2m_ctx);
v4l2_m2m_release(inst->m2m_dev);
venc_ctrl_deinit(inst);
hfi_session_destroy(inst);
mutex_destroy(&inst->lock);
v4l2_fh_del(&inst->fh);
v4l2_fh_exit(&inst->fh);
pm_runtime_put_sync(inst->core->dev_enc);
kfree(inst);
return 0;
}
static const struct v4l2_file_operations venc_fops = {
.owner = THIS_MODULE,
.open = venc_open,
.release = venc_close,
.unlocked_ioctl = video_ioctl2,
.poll = v4l2_m2m_fop_poll,
.mmap = v4l2_m2m_fop_mmap,
};
static int venc_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct video_device *vdev;
struct venus_core *core;
int ret;
if (!dev->parent)
return -EPROBE_DEFER;
core = dev_get_drvdata(dev->parent);
if (!core)
return -EPROBE_DEFER;
if (IS_V3(core) || IS_V4(core)) {
core->core1_clk = devm_clk_get(dev, "core");
if (IS_ERR(core->core1_clk))
return PTR_ERR(core->core1_clk);
}
if (IS_V4(core)) {
core->core1_bus_clk = devm_clk_get(dev, "bus");
if (IS_ERR(core->core1_bus_clk))
return PTR_ERR(core->core1_bus_clk);
}
platform_set_drvdata(pdev, core);
vdev = video_device_alloc();
if (!vdev)
return -ENOMEM;
strlcpy(vdev->name, "qcom-venus-encoder", sizeof(vdev->name));
vdev->release = video_device_release;
vdev->fops = &venc_fops;
vdev->ioctl_ops = &venc_ioctl_ops;
vdev->vfl_dir = VFL_DIR_M2M;
vdev->v4l2_dev = &core->v4l2_dev;
vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING;
ret = video_register_device(vdev, VFL_TYPE_GRABBER, -1);
if (ret)
goto err_vdev_release;
core->vdev_enc = vdev;
core->dev_enc = dev;
video_set_drvdata(vdev, core);
pm_runtime_enable(dev);
return 0;
err_vdev_release:
video_device_release(vdev);
return ret;
}
static int venc_remove(struct platform_device *pdev)
{
struct venus_core *core = dev_get_drvdata(pdev->dev.parent);
video_unregister_device(core->vdev_enc);
pm_runtime_disable(core->dev_enc);
return 0;
}
static __maybe_unused int venc_runtime_suspend(struct device *dev)
{
struct venus_core *core = dev_get_drvdata(dev);
int ret;
if (IS_V1(core))
return 0;
ret = venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, true);
if (ret)
return ret;
if (IS_V4(core))
clk_disable_unprepare(core->core1_bus_clk);
clk_disable_unprepare(core->core1_clk);
return venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, false);
}
static __maybe_unused int venc_runtime_resume(struct device *dev)
{
struct venus_core *core = dev_get_drvdata(dev);
int ret;
if (IS_V1(core))
return 0;
ret = venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, true);
if (ret)
return ret;
ret = clk_prepare_enable(core->core1_clk);
if (ret)
goto err_power_disable;
if (IS_V4(core))
ret = clk_prepare_enable(core->core1_bus_clk);
if (ret)
goto err_unprepare_core1;
return venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, false);
err_unprepare_core1:
clk_disable_unprepare(core->core1_clk);
err_power_disable:
venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, false);
return ret;
}
static const struct dev_pm_ops venc_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
pm_runtime_force_resume)
SET_RUNTIME_PM_OPS(venc_runtime_suspend, venc_runtime_resume, NULL)
};
static const struct of_device_id venc_dt_match[] = {
{ .compatible = "venus-encoder" },
{ }
};
MODULE_DEVICE_TABLE(of, venc_dt_match);
static struct platform_driver qcom_venus_enc_driver = {
.probe = venc_probe,
.remove = venc_remove,
.driver = {
.name = "qcom-venus-encoder",
.of_match_table = venc_dt_match,
.pm = &venc_pm_ops,
},
};
module_platform_driver(qcom_venus_enc_driver);
MODULE_ALIAS("platform:qcom-venus-encoder");
MODULE_DESCRIPTION("Qualcomm Venus video encoder driver");
MODULE_LICENSE("GPL v2");
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