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    Subject[PATCH v6 6/9] media: venus: venc: add video encoder files
    Date
    This adds encoder part of the driver plus encoder controls.

    Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
    ---
    drivers/media/platform/qcom/venus/venc.c | 1231 ++++++++++++++++++++++++
    drivers/media/platform/qcom/venus/venc.h | 23 +
    drivers/media/platform/qcom/venus/venc_ctrls.c | 258 +++++
    3 files changed, 1512 insertions(+)
    create mode 100644 drivers/media/platform/qcom/venus/venc.c
    create mode 100644 drivers/media/platform/qcom/venus/venc.h
    create mode 100644 drivers/media/platform/qcom/venus/venc_ctrls.c

    diff --git a/drivers/media/platform/qcom/venus/venc.c b/drivers/media/platform/qcom/venus/venc.c
    new file mode 100644
    index 000000000000..dddfc3554953
    --- /dev/null
    +++ b/drivers/media/platform/qcom/venus/venc.c
    @@ -0,0 +1,1231 @@
    +/*
    + * 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/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 "core.h"
    +#include "helpers.h"
    +#include "venc.h"
    +
    +#define NUM_B_FRAMES_MAX 4
    +
    +static u32 get_framesize_uncompressed(unsigned int plane, u32 width, u32 height)
    +{
    + u32 y_stride, uv_stride, y_plane;
    + u32 y_sclines, uv_sclines, uv_plane;
    + u32 size;
    +
    + y_stride = ALIGN(width, 128);
    + uv_stride = ALIGN(width, 128);
    + y_sclines = ALIGN(height, 32);
    + uv_sclines = ALIGN(((height + 1) >> 1), 16);
    +
    + y_plane = y_stride * y_sclines;
    + uv_plane = uv_stride * uv_sclines + SZ_4K;
    + size = y_plane + uv_plane + SZ_8K;
    + size = ALIGN(size, SZ_4K);
    +
    + return size;
    +}
    +
    +static u32 get_framesize_compressed(u32 width, u32 height)
    +{
    + u32 sz = ALIGN(height, 32) * ALIGN(width, 32) * 3 / 2 / 2;
    +
    + return ALIGN(sz, SZ_4K);
    +}
    +
    +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,
    + },
    +};
    +
    +static const struct venus_format *find_format(u32 pixfmt, int 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;
    +
    + return &fmt[i];
    +}
    +
    +static const struct venus_format *find_format_by_index(int index, int type)
    +{
    + const struct venus_format *fmt = venc_formats;
    + unsigned int size = ARRAY_SIZE(venc_formats);
    + int i, k = 0;
    +
    + if (index < 0 || index > size)
    + return NULL;
    +
    + for (i = 0; i < size; i++) {
    + if (fmt[i].type != type)
    + continue;
    + if (k == index)
    + break;
    + 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_VPX_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;
    + }
    + }
    +
    + 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)
    +{
    + const struct venus_format *fmt;
    +
    + fmt = find_format_by_index(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;
    + unsigned int p;
    +
    + memset(pfmt[0].reserved, 0, sizeof(pfmt[0].reserved));
    + memset(pixmp->reserved, 0, sizeof(pixmp->reserved));
    +
    + fmt = find_format(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(pixmp->pixelformat, f->type);
    + pixmp->width = 1280;
    + pixmp->height = 720;
    + }
    +
    + pixmp->width = clamp(pixmp->width, inst->cap_width.min,
    + inst->cap_width.max);
    + pixmp->height = clamp(pixmp->height, inst->cap_height.min,
    + inst->cap_height.max);
    +
    + pixmp->height = ALIGN(pixmp->height, 32);
    +
    + if (pixmp->field == V4L2_FIELD_ANY)
    + pixmp->field = V4L2_FIELD_NONE;
    + pixmp->num_planes = fmt->num_planes;
    + pixmp->flags = 0;
    +
    + if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
    + for (p = 0; p < pixmp->num_planes; p++) {
    + pfmt[p].sizeimage =
    + get_framesize_uncompressed(p, pixmp->width,
    + pixmp->height);
    +
    + pfmt[p].bytesperline = ALIGN(pixmp->width, 128);
    + }
    + } else {
    + pfmt[0].sizeimage = get_framesize_compressed(pixmp->width,
    + pixmp->height);
    + 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(fsize->pixel_format,
    + V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
    + if (!fmt) {
    + fmt = find_format(fsize->pixel_format,
    + V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
    + if (!fmt)
    + return -EINVAL;
    + }
    +
    + if (fsize->index)
    + return -EINVAL;
    +
    + fsize->stepwise.min_width = inst->cap_width.min;
    + fsize->stepwise.max_width = inst->cap_width.max;
    + fsize->stepwise.step_width = inst->cap_width.step_size;
    + fsize->stepwise.min_height = inst->cap_height.min;
    + fsize->stepwise.max_height = inst->cap_height.max;
    + fsize->stepwise.step_height = inst->cap_height.step_size;
    +
    + 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(fival->pixel_format,
    + V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
    + if (!fmt) {
    + fmt = find_format(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 > inst->cap_width.max ||
    + fival->width < inst->cap_width.min ||
    + fival->height > inst->cap_height.max ||
    + fival->height < inst->cap_height.min)
    + return -EINVAL;
    +
    + fival->stepwise.min.numerator = 1;
    + fival->stepwise.min.denominator = inst->cap_framerate.max;
    + fival->stepwise.max.numerator = 1;
    + fival->stepwise.max.denominator = inst->cap_framerate.min;
    + fival->stepwise.step.numerator = 1;
    + fival->stepwise.step.denominator = inst->cap_framerate.max;
    +
    + 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;
    +
    + 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;
    +
    + 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_CONFIG_VENC_IDR_PERIOD;
    + idrp.idr_period = ctr->gop_size;
    + 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;
    + }
    +
    + /* intra_period = pframes + bframes + 1 */
    + if (!ctr->num_p_frames)
    + ctr->num_p_frames = 2 * 15 - 1,
    +
    + 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);
    + level = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_H264_LEVEL,
    + ctr->level);
    + } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_VP8) {
    + profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_VPX_PROFILE,
    + ctr->profile);
    + 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);
    + level = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL,
    + ctr->level);
    + } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H263) {
    + profile = 0;
    + level = 0;
    + }
    +
    + 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 = helper_set_input_resolution(inst, inst->out_width,
    + inst->out_height);
    + if (ret)
    + goto deinit;
    +
    + ret = helper_set_output_resolution(inst, inst->width, inst->height);
    + if (ret)
    + goto deinit;
    +
    + ret = helper_set_color_format(inst, inst->fmt_out->pixfmt);
    + 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 = 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 p, num, min = 4;
    + int ret = 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;
    +
    + for (p = 0; p < *num_planes; ++p)
    + sizes[p] = get_framesize_uncompressed(p, inst->width,
    + inst->height);
    + 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] = get_framesize_compressed(inst->width, inst->height);
    + break;
    + default:
    + ret = -EINVAL;
    + break;
    + }
    +
    + return ret;
    +}
    +
    +static int venc_verify_conf(struct venus_inst *inst)
    +{
    + struct hfi_buffer_requirements bufreq;
    + int ret;
    +
    + if (!inst->num_input_bufs || !inst->num_output_bufs)
    + return -EINVAL;
    +
    + ret = helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq);
    + if (ret)
    + return ret;
    +
    + if (inst->num_output_bufs < bufreq.count_actual ||
    + inst->num_output_bufs < bufreq.count_min)
    + return -EINVAL;
    +
    + ret = helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
    + if (ret)
    + return ret;
    +
    + if (inst->num_input_bufs < bufreq.count_actual ||
    + inst->num_input_bufs < bufreq.count_min)
    + 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;
    + }
    +
    + inst->sequence = 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 = helper_set_num_bufs(inst, inst->num_input_bufs,
    + inst->num_output_bufs);
    + if (ret)
    + goto deinit_sess;
    +
    + ret = helper_vb2_start_streaming(inst);
    + if (ret)
    + goto deinit_sess;
    +
    + mutex_unlock(&inst->lock);
    +
    + return 0;
    +
    +deinit_sess:
    + hfi_session_deinit(inst);
    +bufs_done:
    + 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 = helper_vb2_buf_init,
    + .buf_prepare = helper_vb2_buf_prepare,
    + .start_streaming = venc_start_streaming,
    + .stop_streaming = helper_vb2_stop_streaming,
    + .buf_queue = 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,
    + 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 = helper_find_buf(inst, type, tag);
    + if (!vbuf)
    + return;
    +
    + vb = &vbuf->vb2_buf;
    + vb->planes[0].bytesused = bytesused;
    + vb->planes[0].data_offset = data_offset;
    +
    + vbuf->flags = flags;
    +
    + if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
    + vb->timestamp = timestamp_us * NSEC_PER_USEC;
    + vbuf->sequence = inst->sequence++;
    + }
    +
    + 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 = helper_m2m_device_run,
    + .job_abort = 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;
    + 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->fps = 15;
    + inst->timeperframe.numerator = 1;
    + inst->timeperframe.denominator = 15;
    +
    + inst->cap_width.min = 64;
    + inst->cap_width.max = 1920;
    + inst->cap_width.step_size = 1;
    + inst->cap_height.min = 64;
    + inst->cap_height.max = ALIGN(1080, 32);
    + inst->cap_height.step_size = 1;
    + inst->cap_framerate.min = 1;
    + inst->cap_framerate.max = 30;
    + inst->cap_framerate.step_size = 1;
    + inst->cap_mbs_per_frame.min = 16;
    + inst->cap_mbs_per_frame.max = 8160;
    +}
    +
    +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->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;
    +
    + 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);
    + kfree(inst);
    +
    + pm_runtime_put_sync(inst->core->dev_enc);
    +
    + 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,
    +#ifdef CONFIG_COMPAT
    + .compat_ioctl32 = v4l2_compat_ioctl32,
    +#endif
    +};
    +
    +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 (core->res->hfi_version == HFI_VERSION_3XX) {
    + core->core1_clk = devm_clk_get(dev, "core");
    + if (IS_ERR(core->core1_clk))
    + return PTR_ERR(core->core1_clk);
    + }
    +
    + platform_set_drvdata(pdev, core);
    +
    + vdev = video_device_alloc();
    + if (!vdev)
    + return -ENOMEM;
    +
    + 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;
    +}
    +
    +#ifdef CONFIG_PM
    +static int venc_runtime_suspend(struct device *dev)
    +{
    + struct venus_core *core = dev_get_drvdata(dev);
    +
    + if (core->res->hfi_version == HFI_VERSION_LEGACY)
    + return 0;
    +
    + writel(0, core->base + WRAPPER_VENC_VCODEC_POWER_CONTROL);
    + clk_disable_unprepare(core->core1_clk);
    + writel(1, core->base + WRAPPER_VENC_VCODEC_POWER_CONTROL);
    +
    + return 0;
    +}
    +
    +static int venc_runtime_resume(struct device *dev)
    +{
    + struct venus_core *core = dev_get_drvdata(dev);
    + int ret;
    +
    + if (core->res->hfi_version == HFI_VERSION_LEGACY)
    + return 0;
    +
    + writel(0, core->base + WRAPPER_VENC_VCODEC_POWER_CONTROL);
    + ret = clk_prepare_enable(core->core1_clk);
    + writel(1, core->base + WRAPPER_VENC_VCODEC_POWER_CONTROL);
    +
    + return ret;
    +}
    +#endif
    +
    +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");
    diff --git a/drivers/media/platform/qcom/venus/venc.h b/drivers/media/platform/qcom/venus/venc.h
    new file mode 100644
    index 000000000000..9daca669f307
    --- /dev/null
    +++ b/drivers/media/platform/qcom/venus/venc.h
    @@ -0,0 +1,23 @@
    +/*
    + * 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.
    + *
    + */
    +#ifndef __VENUS_VENC_H__
    +#define __VENUS_VENC_H__
    +
    +struct venus_inst;
    +
    +int venc_ctrl_init(struct venus_inst *inst);
    +void venc_ctrl_deinit(struct venus_inst *inst);
    +
    +#endif
    diff --git a/drivers/media/platform/qcom/venus/venc_ctrls.c b/drivers/media/platform/qcom/venus/venc_ctrls.c
    new file mode 100644
    index 000000000000..0d2eecea7edb
    --- /dev/null
    +++ b/drivers/media/platform/qcom/venus/venc_ctrls.c
    @@ -0,0 +1,258 @@
    +/*
    + * 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/types.h>
    +#include <media/v4l2-ctrls.h>
    +
    +#include "core.h"
    +
    +#define BITRATE_MIN 32000
    +#define BITRATE_MAX 160000000
    +#define BITRATE_DEFAULT 1000000
    +#define BITRATE_DEFAULT_PEAK (BITRATE_DEFAULT * 2)
    +#define BITRATE_STEP 100
    +#define SLICE_BYTE_SIZE_MAX 1024
    +#define SLICE_BYTE_SIZE_MIN 1024
    +#define SLICE_MB_SIZE_MAX 300
    +#define INTRA_REFRESH_MBS_MAX 300
    +#define AT_SLICE_BOUNDARY \
    + V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED_AT_SLICE_BOUNDARY
    +
    +static int venc_op_s_ctrl(struct v4l2_ctrl *ctrl)
    +{
    + struct venus_inst *inst = ctrl_to_inst(ctrl);
    + struct venc_controls *ctr = &inst->controls.enc;
    +
    + switch (ctrl->id) {
    + case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
    + ctr->bitrate_mode = ctrl->val;
    + break;
    + case V4L2_CID_MPEG_VIDEO_BITRATE:
    + ctr->bitrate = ctrl->val;
    + break;
    + case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK:
    + ctr->bitrate_peak = ctrl->val;
    + break;
    + case V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE:
    + ctr->h264_entropy_mode = ctrl->val;
    + break;
    + case V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE:
    + case V4L2_CID_MPEG_VIDEO_H264_PROFILE:
    + case V4L2_CID_MPEG_VIDEO_VPX_PROFILE:
    + ctr->profile = ctrl->val;
    + break;
    + case V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL:
    + case V4L2_CID_MPEG_VIDEO_H264_LEVEL:
    + ctr->level = ctrl->val;
    + break;
    + case V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP:
    + ctr->h264_i_qp = ctrl->val;
    + break;
    + case V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP:
    + ctr->h264_p_qp = ctrl->val;
    + break;
    + case V4L2_CID_MPEG_VIDEO_H264_B_FRAME_QP:
    + ctr->h264_b_qp = ctrl->val;
    + break;
    + case V4L2_CID_MPEG_VIDEO_H264_MIN_QP:
    + ctr->h264_min_qp = ctrl->val;
    + break;
    + case V4L2_CID_MPEG_VIDEO_H264_MAX_QP:
    + ctr->h264_max_qp = ctrl->val;
    + break;
    + case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE:
    + ctr->multi_slice_mode = ctrl->val;
    + break;
    + case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES:
    + ctr->multi_slice_max_bytes = ctrl->val;
    + break;
    + case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB:
    + ctr->multi_slice_max_mb = ctrl->val;
    + break;
    + case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA:
    + ctr->h264_loop_filter_alpha = ctrl->val;
    + break;
    + case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA:
    + ctr->h264_loop_filter_beta = ctrl->val;
    + break;
    + case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE:
    + ctr->h264_loop_filter_mode = ctrl->val;
    + break;
    + case V4L2_CID_MPEG_VIDEO_HEADER_MODE:
    + ctr->header_mode = ctrl->val;
    + break;
    + case V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB:
    + break;
    + case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
    + ctr->gop_size = ctrl->val;
    + break;
    + case V4L2_CID_MPEG_VIDEO_H264_I_PERIOD:
    + ctr->h264_i_period = ctrl->val;
    + break;
    + case V4L2_CID_MPEG_VIDEO_VPX_MIN_QP:
    + ctr->vp8_min_qp = ctrl->val;
    + break;
    + case V4L2_CID_MPEG_VIDEO_VPX_MAX_QP:
    + ctr->vp8_max_qp = ctrl->val;
    + break;
    + case V4L2_CID_MPEG_VIDEO_B_FRAMES:
    + ctr->num_b_frames = ctrl->val;
    + break;
    + default:
    + return -EINVAL;
    + }
    +
    + return 0;
    +}
    +
    +static const struct v4l2_ctrl_ops venc_ctrl_ops = {
    + .s_ctrl = venc_op_s_ctrl,
    +};
    +
    +int venc_ctrl_init(struct venus_inst *inst)
    +{
    + int ret;
    +
    + ret = v4l2_ctrl_handler_init(&inst->ctrl_handler, 27);
    + if (ret)
    + return ret;
    +
    + v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &venc_ctrl_ops,
    + V4L2_CID_MPEG_VIDEO_BITRATE_MODE,
    + V4L2_MPEG_VIDEO_BITRATE_MODE_CBR,
    + ~((1 << V4L2_MPEG_VIDEO_BITRATE_MODE_VBR) |
    + (1 << V4L2_MPEG_VIDEO_BITRATE_MODE_CBR)),
    + V4L2_MPEG_VIDEO_BITRATE_MODE_VBR);
    +
    + v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &venc_ctrl_ops,
    + V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE,
    + V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CABAC,
    + 0, V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CAVLC);
    +
    + v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &venc_ctrl_ops,
    + V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE,
    + V4L2_MPEG_VIDEO_MPEG4_PROFILE_ADVANCED_CODING_EFFICIENCY,
    + ~((1 << V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE) |
    + (1 << V4L2_MPEG_VIDEO_MPEG4_PROFILE_ADVANCED_SIMPLE)),
    + V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE);
    +
    + v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &venc_ctrl_ops,
    + V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL,
    + V4L2_MPEG_VIDEO_MPEG4_LEVEL_5,
    + 0, V4L2_MPEG_VIDEO_MPEG4_LEVEL_0);
    +
    + v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &venc_ctrl_ops,
    + V4L2_CID_MPEG_VIDEO_H264_PROFILE,
    + V4L2_MPEG_VIDEO_H264_PROFILE_MULTIVIEW_HIGH,
    + ~((1 << V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE) |
    + (1 << V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE) |
    + (1 << V4L2_MPEG_VIDEO_H264_PROFILE_MAIN) |
    + (1 << V4L2_MPEG_VIDEO_H264_PROFILE_HIGH) |
    + (1 << V4L2_MPEG_VIDEO_H264_PROFILE_STEREO_HIGH) |
    + (1 << V4L2_MPEG_VIDEO_H264_PROFILE_MULTIVIEW_HIGH)),
    + V4L2_MPEG_VIDEO_H264_PROFILE_HIGH);
    +
    + v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &venc_ctrl_ops,
    + V4L2_CID_MPEG_VIDEO_H264_LEVEL,
    + V4L2_MPEG_VIDEO_H264_LEVEL_5_1,
    + 0, V4L2_MPEG_VIDEO_H264_LEVEL_1_0);
    +
    + v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &venc_ctrl_ops,
    + V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE,
    + AT_SLICE_BOUNDARY,
    + 0, V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED);
    +
    + v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &venc_ctrl_ops,
    + V4L2_CID_MPEG_VIDEO_HEADER_MODE,
    + V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME,
    + 1 << V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME,
    + V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE);
    +
    + v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &venc_ctrl_ops,
    + V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE,
    + V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_BYTES,
    + 0, V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE);
    +
    + v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
    + V4L2_CID_MPEG_VIDEO_BITRATE, BITRATE_MIN, BITRATE_MAX,
    + BITRATE_STEP, BITRATE_DEFAULT);
    +
    + v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
    + V4L2_CID_MPEG_VIDEO_BITRATE_PEAK, BITRATE_MIN, BITRATE_MAX,
    + BITRATE_STEP, BITRATE_DEFAULT_PEAK);
    +
    + v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
    + V4L2_CID_MPEG_VIDEO_VPX_PROFILE, 0, 3, 1, 0);
    +
    + v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
    + V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP, 1, 51, 1, 26);
    +
    + v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
    + V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP, 1, 51, 1, 28);
    +
    + v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
    + V4L2_CID_MPEG_VIDEO_H264_B_FRAME_QP, 1, 51, 1, 30);
    +
    + v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
    + V4L2_CID_MPEG_VIDEO_H264_MIN_QP, 1, 51, 1, 1);
    +
    + v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
    + V4L2_CID_MPEG_VIDEO_H264_MAX_QP, 1, 51, 1, 51);
    +
    + v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
    + V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES, SLICE_BYTE_SIZE_MIN,
    + SLICE_BYTE_SIZE_MAX, 1, SLICE_BYTE_SIZE_MIN);
    +
    + v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
    + V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB, 1,
    + SLICE_MB_SIZE_MAX, 1, 1);
    +
    + v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
    + V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA, -6, 6, 1, 0);
    +
    + v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
    + V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA, -6, 6, 1, 0);
    +
    + v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
    + V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB,
    + 0, INTRA_REFRESH_MBS_MAX, 1, 0);
    +
    + v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
    + V4L2_CID_MPEG_VIDEO_GOP_SIZE, 0, (1 << 16) - 1, 1, 12);
    +
    + v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
    + V4L2_CID_MPEG_VIDEO_VPX_MIN_QP, 1, 128, 1, 1);
    +
    + v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
    + V4L2_CID_MPEG_VIDEO_VPX_MAX_QP, 1, 128, 1, 128);
    +
    + v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
    + V4L2_CID_MPEG_VIDEO_B_FRAMES, 0, 4, 1, 0);
    +
    + v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
    + V4L2_CID_MPEG_VIDEO_H264_I_PERIOD, 0, (1 << 16) - 1, 1, 0);
    +
    + ret = inst->ctrl_handler.error;
    + if (ret) {
    + v4l2_ctrl_handler_free(&inst->ctrl_handler);
    + return ret;
    + }
    +
    + return 0;
    +}
    +
    +void venc_ctrl_deinit(struct venus_inst *inst)
    +{
    + v4l2_ctrl_handler_free(&inst->ctrl_handler);
    +}
    --
    2.7.4
    \
     
     \ /
      Last update: 2017-02-07 14:11    [W:9.414 / U:0.056 seconds]
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