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+/*
+ * 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);
+}
+
+/*
+ * 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_VP9,
+ .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);
+
+ if (inst->core->res->hfi_version == HFI_VERSION_1XX)
+ 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;
+
+ 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.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_VPX_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;
+ }
+
+ 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;
+
+ 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;
+
+ for (p = 0; p < *num_planes; ++p)
+ sizes[p] = get_framesize_uncompressed(p, 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] = get_framesize_compressed(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)
+{
+ 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;
+ }
+
+ 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 = 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,
+ 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 = 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_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 = 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->out_width = 1280;
+ inst->out_height = 720;
+ inst->fps = 15;
+ inst->timeperframe.numerator = 1;
+ inst->timeperframe.denominator = 15;
+
+ inst->cap_width.min = 96;
+ inst->cap_width.max = 1920;
+ if (inst->core->res->hfi_version == HFI_VERSION_3XX)
+ inst->cap_width.max = 3840;
+ inst->cap_width.step_size = 2;
+ inst->cap_height.min = 64;
+ inst->cap_height.max = ALIGN(1080, 32);
+ if (inst->core->res->hfi_version == HFI_VERSION_3XX)
+ inst->cap_height.max = ALIGN(2160, 32);
+ inst->cap_height.step_size = 2;
+ inst->cap_framerate.min = 1;
+ inst->cap_framerate.max = 30;
+ inst->cap_framerate.step_size = 1;
+ inst->cap_mbs_per_frame.min = 24;
+ 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;
+
+ 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);
+ 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_1XX)
+ 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_1XX)
+ 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");
new file mode 100644
@@ -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
new file mode 100644
@@ -0,0 +1,269 @@
+/*
+ * 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:
+ ctr->profile.mpeg4 = ctrl->val;
+ break;
+ case V4L2_CID_MPEG_VIDEO_H264_PROFILE:
+ ctr->profile.h264 = ctrl->val;
+ break;
+ case V4L2_CID_MPEG_VIDEO_VPX_PROFILE:
+ ctr->profile.vpx = ctrl->val;
+ break;
+ case V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL:
+ ctr->level.mpeg4 = ctrl->val;
+ break;
+ case V4L2_CID_MPEG_VIDEO_H264_LEVEL:
+ ctr->level.h264 = 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)
+ goto err;
+
+ ret = v4l2_ctrl_handler_setup(&inst->ctrl_handler);
+ if (ret)
+ goto err;
+
+ return 0;
+err:
+ v4l2_ctrl_handler_free(&inst->ctrl_handler);
+ return ret;
+}
+
+void venc_ctrl_deinit(struct venus_inst *inst)
+{
+ v4l2_ctrl_handler_free(&inst->ctrl_handler);
+}
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 | 1281 ++++++++++++++++++++++++ drivers/media/platform/qcom/venus/venc.h | 23 + drivers/media/platform/qcom/venus/venc_ctrls.c | 269 +++++ 3 files changed, 1573 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 -- 2.7.4