1185 lines
29 KiB
C
1185 lines
29 KiB
C
/*
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* Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.
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* Copyright (C) 2017 Linaro Ltd.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#include <linux/clk.h>
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/pm_runtime.h>
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#include <linux/slab.h>
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#include <media/v4l2-ioctl.h>
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#include <media/v4l2-event.h>
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#include <media/v4l2-ctrls.h>
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#include <media/v4l2-mem2mem.h>
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#include <media/videobuf2-dma-sg.h>
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#include "hfi_venus_io.h"
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#include "core.h"
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#include "helpers.h"
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#include "vdec.h"
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static u32 get_framesize_uncompressed(unsigned int plane, u32 width, u32 height)
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{
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u32 y_stride, uv_stride, y_plane;
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u32 y_sclines, uv_sclines, uv_plane;
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u32 size;
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y_stride = ALIGN(width, 128);
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uv_stride = ALIGN(width, 128);
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y_sclines = ALIGN(height, 32);
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uv_sclines = ALIGN(((height + 1) >> 1), 16);
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y_plane = y_stride * y_sclines;
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uv_plane = uv_stride * uv_sclines + SZ_4K;
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size = y_plane + uv_plane + SZ_8K;
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return ALIGN(size, SZ_4K);
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}
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static u32 get_framesize_compressed(unsigned int width, unsigned int height)
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{
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return ((width * height * 3 / 2) / 2) + 128;
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}
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/*
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* Three resons to keep MPLANE formats (despite that the number of planes
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* currently is one):
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* - the MPLANE formats allow only one plane to be used
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* - the downstream driver use MPLANE formats too
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* - future firmware versions could add support for >1 planes
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*/
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static const struct venus_format vdec_formats[] = {
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{
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.pixfmt = V4L2_PIX_FMT_NV12,
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.num_planes = 1,
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.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
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}, {
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.pixfmt = V4L2_PIX_FMT_MPEG4,
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.num_planes = 1,
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.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
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}, {
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.pixfmt = V4L2_PIX_FMT_MPEG2,
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.num_planes = 1,
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.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
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}, {
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.pixfmt = V4L2_PIX_FMT_H263,
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.num_planes = 1,
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.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
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}, {
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.pixfmt = V4L2_PIX_FMT_VC1_ANNEX_G,
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.num_planes = 1,
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.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
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}, {
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.pixfmt = V4L2_PIX_FMT_VC1_ANNEX_L,
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.num_planes = 1,
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.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
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}, {
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.pixfmt = V4L2_PIX_FMT_H264,
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.num_planes = 1,
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.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
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}, {
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.pixfmt = V4L2_PIX_FMT_VP8,
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.num_planes = 1,
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.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
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}, {
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.pixfmt = V4L2_PIX_FMT_VP9,
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.num_planes = 1,
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.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
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}, {
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.pixfmt = V4L2_PIX_FMT_XVID,
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.num_planes = 1,
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.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
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},
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};
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static const struct venus_format *
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find_format(struct venus_inst *inst, u32 pixfmt, u32 type)
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{
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const struct venus_format *fmt = vdec_formats;
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unsigned int size = ARRAY_SIZE(vdec_formats);
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unsigned int i;
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for (i = 0; i < size; i++) {
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if (fmt[i].pixfmt == pixfmt)
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break;
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}
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if (i == size || fmt[i].type != type)
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return NULL;
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if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
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!venus_helper_check_codec(inst, fmt[i].pixfmt))
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return NULL;
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return &fmt[i];
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}
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static const struct venus_format *
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find_format_by_index(struct venus_inst *inst, unsigned int index, u32 type)
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{
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const struct venus_format *fmt = vdec_formats;
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unsigned int size = ARRAY_SIZE(vdec_formats);
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unsigned int i, k = 0;
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if (index > size)
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return NULL;
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for (i = 0; i < size; i++) {
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bool valid;
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if (fmt[i].type != type)
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continue;
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valid = type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE ||
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venus_helper_check_codec(inst, fmt[i].pixfmt);
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if (k == index && valid)
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break;
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if (valid)
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k++;
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}
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if (i == size)
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return NULL;
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return &fmt[i];
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}
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static const struct venus_format *
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vdec_try_fmt_common(struct venus_inst *inst, struct v4l2_format *f)
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{
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struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
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struct v4l2_plane_pix_format *pfmt = pixmp->plane_fmt;
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const struct venus_format *fmt;
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unsigned int p;
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memset(pfmt[0].reserved, 0, sizeof(pfmt[0].reserved));
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memset(pixmp->reserved, 0, sizeof(pixmp->reserved));
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fmt = find_format(inst, pixmp->pixelformat, f->type);
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if (!fmt) {
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if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
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pixmp->pixelformat = V4L2_PIX_FMT_NV12;
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else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
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pixmp->pixelformat = V4L2_PIX_FMT_H264;
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else
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return NULL;
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fmt = find_format(inst, pixmp->pixelformat, f->type);
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pixmp->width = 1280;
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pixmp->height = 720;
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}
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pixmp->width = clamp(pixmp->width, inst->cap_width.min,
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inst->cap_width.max);
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pixmp->height = clamp(pixmp->height, inst->cap_height.min,
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inst->cap_height.max);
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if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
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pixmp->height = ALIGN(pixmp->height, 32);
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if (pixmp->field == V4L2_FIELD_ANY)
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pixmp->field = V4L2_FIELD_NONE;
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pixmp->num_planes = fmt->num_planes;
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pixmp->flags = 0;
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if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
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for (p = 0; p < pixmp->num_planes; p++) {
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pfmt[p].sizeimage =
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get_framesize_uncompressed(p, pixmp->width,
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pixmp->height);
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pfmt[p].bytesperline = ALIGN(pixmp->width, 128);
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}
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} else {
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pfmt[0].sizeimage = get_framesize_compressed(pixmp->width,
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pixmp->height);
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pfmt[0].bytesperline = 0;
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}
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return fmt;
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}
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static int vdec_try_fmt(struct file *file, void *fh, struct v4l2_format *f)
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{
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struct venus_inst *inst = to_inst(file);
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vdec_try_fmt_common(inst, f);
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return 0;
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}
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static int vdec_g_fmt(struct file *file, void *fh, struct v4l2_format *f)
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{
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struct venus_inst *inst = to_inst(file);
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const struct venus_format *fmt = NULL;
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struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
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if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
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fmt = inst->fmt_cap;
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else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
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fmt = inst->fmt_out;
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if (inst->reconfig) {
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struct v4l2_format format = {};
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inst->out_width = inst->reconfig_width;
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inst->out_height = inst->reconfig_height;
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inst->reconfig = false;
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format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
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format.fmt.pix_mp.pixelformat = inst->fmt_cap->pixfmt;
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format.fmt.pix_mp.width = inst->out_width;
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format.fmt.pix_mp.height = inst->out_height;
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vdec_try_fmt_common(inst, &format);
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inst->width = format.fmt.pix_mp.width;
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inst->height = format.fmt.pix_mp.height;
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}
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pixmp->pixelformat = fmt->pixfmt;
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if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
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pixmp->width = inst->width;
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pixmp->height = inst->height;
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pixmp->colorspace = inst->colorspace;
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pixmp->ycbcr_enc = inst->ycbcr_enc;
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pixmp->quantization = inst->quantization;
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pixmp->xfer_func = inst->xfer_func;
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} else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
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pixmp->width = inst->out_width;
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pixmp->height = inst->out_height;
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}
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vdec_try_fmt_common(inst, f);
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return 0;
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}
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static int vdec_s_fmt(struct file *file, void *fh, struct v4l2_format *f)
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{
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struct venus_inst *inst = to_inst(file);
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struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
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struct v4l2_pix_format_mplane orig_pixmp;
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const struct venus_format *fmt;
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struct v4l2_format format;
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u32 pixfmt_out = 0, pixfmt_cap = 0;
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orig_pixmp = *pixmp;
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fmt = vdec_try_fmt_common(inst, f);
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if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
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pixfmt_out = pixmp->pixelformat;
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pixfmt_cap = inst->fmt_cap->pixfmt;
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} else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
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pixfmt_cap = pixmp->pixelformat;
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pixfmt_out = inst->fmt_out->pixfmt;
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}
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memset(&format, 0, sizeof(format));
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format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
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format.fmt.pix_mp.pixelformat = pixfmt_out;
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format.fmt.pix_mp.width = orig_pixmp.width;
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format.fmt.pix_mp.height = orig_pixmp.height;
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vdec_try_fmt_common(inst, &format);
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if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
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inst->out_width = format.fmt.pix_mp.width;
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inst->out_height = format.fmt.pix_mp.height;
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inst->colorspace = pixmp->colorspace;
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inst->ycbcr_enc = pixmp->ycbcr_enc;
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inst->quantization = pixmp->quantization;
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inst->xfer_func = pixmp->xfer_func;
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}
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memset(&format, 0, sizeof(format));
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format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
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format.fmt.pix_mp.pixelformat = pixfmt_cap;
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format.fmt.pix_mp.width = orig_pixmp.width;
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format.fmt.pix_mp.height = orig_pixmp.height;
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vdec_try_fmt_common(inst, &format);
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inst->width = format.fmt.pix_mp.width;
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inst->height = format.fmt.pix_mp.height;
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if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
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inst->fmt_out = fmt;
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else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
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inst->fmt_cap = fmt;
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return 0;
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}
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static int
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vdec_g_selection(struct file *file, void *fh, struct v4l2_selection *s)
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{
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struct venus_inst *inst = to_inst(file);
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if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
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s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
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return -EINVAL;
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switch (s->target) {
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case V4L2_SEL_TGT_CROP_BOUNDS:
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case V4L2_SEL_TGT_CROP_DEFAULT:
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case V4L2_SEL_TGT_CROP:
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if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
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return -EINVAL;
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s->r.width = inst->out_width;
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s->r.height = inst->out_height;
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break;
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case V4L2_SEL_TGT_COMPOSE_BOUNDS:
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case V4L2_SEL_TGT_COMPOSE_PADDED:
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if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
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return -EINVAL;
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s->r.width = inst->width;
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s->r.height = inst->height;
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break;
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case V4L2_SEL_TGT_COMPOSE_DEFAULT:
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case V4L2_SEL_TGT_COMPOSE:
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if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
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return -EINVAL;
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s->r.width = inst->out_width;
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s->r.height = inst->out_height;
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break;
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default:
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return -EINVAL;
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}
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s->r.top = 0;
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s->r.left = 0;
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return 0;
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}
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static int
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vdec_querycap(struct file *file, void *fh, struct v4l2_capability *cap)
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{
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strlcpy(cap->driver, "qcom-venus", sizeof(cap->driver));
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strlcpy(cap->card, "Qualcomm Venus video decoder", sizeof(cap->card));
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strlcpy(cap->bus_info, "platform:qcom-venus", sizeof(cap->bus_info));
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return 0;
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}
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static int vdec_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f)
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{
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struct venus_inst *inst = to_inst(file);
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const struct venus_format *fmt;
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memset(f->reserved, 0, sizeof(f->reserved));
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fmt = find_format_by_index(inst, f->index, f->type);
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if (!fmt)
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return -EINVAL;
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f->pixelformat = fmt->pixfmt;
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return 0;
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}
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static int vdec_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
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{
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struct venus_inst *inst = to_inst(file);
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struct v4l2_captureparm *cap = &a->parm.capture;
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struct v4l2_fract *timeperframe = &cap->timeperframe;
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u64 us_per_frame, fps;
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if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
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a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
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return -EINVAL;
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memset(cap->reserved, 0, sizeof(cap->reserved));
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if (!timeperframe->denominator)
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timeperframe->denominator = inst->timeperframe.denominator;
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if (!timeperframe->numerator)
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timeperframe->numerator = inst->timeperframe.numerator;
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cap->readbuffers = 0;
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cap->extendedmode = 0;
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cap->capability = V4L2_CAP_TIMEPERFRAME;
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us_per_frame = timeperframe->numerator * (u64)USEC_PER_SEC;
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do_div(us_per_frame, timeperframe->denominator);
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if (!us_per_frame)
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return -EINVAL;
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fps = (u64)USEC_PER_SEC;
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do_div(fps, us_per_frame);
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inst->fps = fps;
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inst->timeperframe = *timeperframe;
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return 0;
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}
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static int vdec_enum_framesizes(struct file *file, void *fh,
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struct v4l2_frmsizeenum *fsize)
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{
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struct venus_inst *inst = to_inst(file);
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const struct venus_format *fmt;
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fmt = find_format(inst, fsize->pixel_format,
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V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
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if (!fmt) {
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fmt = find_format(inst, fsize->pixel_format,
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V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
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if (!fmt)
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return -EINVAL;
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}
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if (fsize->index)
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return -EINVAL;
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fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
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fsize->stepwise.min_width = inst->cap_width.min;
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fsize->stepwise.max_width = inst->cap_width.max;
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fsize->stepwise.step_width = inst->cap_width.step_size;
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fsize->stepwise.min_height = inst->cap_height.min;
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fsize->stepwise.max_height = inst->cap_height.max;
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fsize->stepwise.step_height = inst->cap_height.step_size;
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return 0;
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}
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static int vdec_subscribe_event(struct v4l2_fh *fh,
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const struct v4l2_event_subscription *sub)
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{
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switch (sub->type) {
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case V4L2_EVENT_EOS:
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return v4l2_event_subscribe(fh, sub, 2, NULL);
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case V4L2_EVENT_SOURCE_CHANGE:
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return v4l2_src_change_event_subscribe(fh, sub);
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case V4L2_EVENT_CTRL:
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return v4l2_ctrl_subscribe_event(fh, sub);
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default:
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return -EINVAL;
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}
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}
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static int
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|
vdec_try_decoder_cmd(struct file *file, void *fh, struct v4l2_decoder_cmd *cmd)
|
|
{
|
|
switch (cmd->cmd) {
|
|
case V4L2_DEC_CMD_STOP:
|
|
if (cmd->flags & V4L2_DEC_CMD_STOP_TO_BLACK)
|
|
return -EINVAL;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
vdec_decoder_cmd(struct file *file, void *fh, struct v4l2_decoder_cmd *cmd)
|
|
{
|
|
struct venus_inst *inst = to_inst(file);
|
|
struct hfi_frame_data fdata = {0};
|
|
int ret;
|
|
|
|
ret = vdec_try_decoder_cmd(file, fh, cmd);
|
|
if (ret)
|
|
return ret;
|
|
|
|
mutex_lock(&inst->lock);
|
|
|
|
/*
|
|
* Implement V4L2_DEC_CMD_STOP by enqueue an empty buffer on decoder
|
|
* input to signal EOS.
|
|
*/
|
|
if (!(inst->streamon_out & inst->streamon_cap))
|
|
goto unlock;
|
|
|
|
fdata.buffer_type = HFI_BUFFER_INPUT;
|
|
fdata.flags |= HFI_BUFFERFLAG_EOS;
|
|
fdata.device_addr = 0xdeadbeef;
|
|
|
|
ret = hfi_session_process_buf(inst, &fdata);
|
|
|
|
unlock:
|
|
mutex_unlock(&inst->lock);
|
|
return ret;
|
|
}
|
|
|
|
static const struct v4l2_ioctl_ops vdec_ioctl_ops = {
|
|
.vidioc_querycap = vdec_querycap,
|
|
.vidioc_enum_fmt_vid_cap_mplane = vdec_enum_fmt,
|
|
.vidioc_enum_fmt_vid_out_mplane = vdec_enum_fmt,
|
|
.vidioc_s_fmt_vid_cap_mplane = vdec_s_fmt,
|
|
.vidioc_s_fmt_vid_out_mplane = vdec_s_fmt,
|
|
.vidioc_g_fmt_vid_cap_mplane = vdec_g_fmt,
|
|
.vidioc_g_fmt_vid_out_mplane = vdec_g_fmt,
|
|
.vidioc_try_fmt_vid_cap_mplane = vdec_try_fmt,
|
|
.vidioc_try_fmt_vid_out_mplane = vdec_try_fmt,
|
|
.vidioc_g_selection = vdec_g_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 = vdec_s_parm,
|
|
.vidioc_enum_framesizes = vdec_enum_framesizes,
|
|
.vidioc_subscribe_event = vdec_subscribe_event,
|
|
.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
|
|
.vidioc_try_decoder_cmd = vdec_try_decoder_cmd,
|
|
.vidioc_decoder_cmd = vdec_decoder_cmd,
|
|
};
|
|
|
|
static int vdec_set_properties(struct venus_inst *inst)
|
|
{
|
|
struct vdec_controls *ctr = &inst->controls.dec;
|
|
struct venus_core *core = inst->core;
|
|
struct hfi_enable en = { .enable = 1 };
|
|
u32 ptype;
|
|
int ret;
|
|
|
|
if (core->res->hfi_version == HFI_VERSION_1XX) {
|
|
ptype = HFI_PROPERTY_PARAM_VDEC_CONTINUE_DATA_TRANSFER;
|
|
ret = hfi_session_set_property(inst, ptype, &en);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
|
|
if (core->res->hfi_version == HFI_VERSION_3XX ||
|
|
inst->cap_bufs_mode_dynamic) {
|
|
struct hfi_buffer_alloc_mode mode;
|
|
|
|
ptype = HFI_PROPERTY_PARAM_BUFFER_ALLOC_MODE;
|
|
mode.type = HFI_BUFFER_OUTPUT;
|
|
mode.mode = HFI_BUFFER_MODE_DYNAMIC;
|
|
|
|
ret = hfi_session_set_property(inst, ptype, &mode);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
|
|
if (ctr->post_loop_deb_mode) {
|
|
ptype = HFI_PROPERTY_CONFIG_VDEC_POST_LOOP_DEBLOCKER;
|
|
en.enable = 1;
|
|
ret = hfi_session_set_property(inst, ptype, &en);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int vdec_init_session(struct venus_inst *inst)
|
|
{
|
|
int ret;
|
|
|
|
ret = hfi_session_init(inst, inst->fmt_out->pixfmt);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = venus_helper_set_input_resolution(inst, inst->out_width,
|
|
inst->out_height);
|
|
if (ret)
|
|
goto deinit;
|
|
|
|
ret = venus_helper_set_color_format(inst, inst->fmt_cap->pixfmt);
|
|
if (ret)
|
|
goto deinit;
|
|
|
|
return 0;
|
|
deinit:
|
|
hfi_session_deinit(inst);
|
|
return ret;
|
|
}
|
|
|
|
static int vdec_cap_num_buffers(struct venus_inst *inst, unsigned int *num)
|
|
{
|
|
struct hfi_buffer_requirements bufreq;
|
|
int ret;
|
|
|
|
ret = vdec_init_session(inst);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq);
|
|
|
|
*num = bufreq.count_actual;
|
|
|
|
hfi_session_deinit(inst);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int vdec_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;
|
|
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;
|
|
sizes[0] = get_framesize_compressed(inst->out_width,
|
|
inst->out_height);
|
|
inst->input_buf_size = sizes[0];
|
|
inst->num_input_bufs = *num_buffers;
|
|
|
|
ret = vdec_cap_num_buffers(inst, &num);
|
|
if (ret)
|
|
break;
|
|
|
|
inst->num_output_bufs = num;
|
|
break;
|
|
case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
|
|
*num_planes = inst->fmt_cap->num_planes;
|
|
|
|
ret = vdec_cap_num_buffers(inst, &num);
|
|
if (ret)
|
|
break;
|
|
|
|
*num_buffers = max(*num_buffers, num);
|
|
|
|
for (p = 0; p < *num_planes; p++)
|
|
sizes[p] = get_framesize_uncompressed(p, inst->width,
|
|
inst->height);
|
|
|
|
inst->num_output_bufs = *num_buffers;
|
|
inst->output_buf_size = sizes[0];
|
|
break;
|
|
default:
|
|
ret = -EINVAL;
|
|
break;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int vdec_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 = 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 < bufreq.count_min)
|
|
return -EINVAL;
|
|
|
|
ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
|
|
if (ret)
|
|
return ret;
|
|
|
|
if (inst->num_input_bufs < bufreq.count_min)
|
|
return -EINVAL;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int vdec_start_streaming(struct vb2_queue *q, unsigned int count)
|
|
{
|
|
struct venus_inst *inst = vb2_get_drv_priv(q);
|
|
struct venus_core *core = inst->core;
|
|
u32 ptype;
|
|
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->reconfig = false;
|
|
inst->sequence_cap = 0;
|
|
inst->sequence_out = 0;
|
|
|
|
ret = vdec_init_session(inst);
|
|
if (ret)
|
|
goto bufs_done;
|
|
|
|
ret = vdec_set_properties(inst);
|
|
if (ret)
|
|
goto deinit_sess;
|
|
|
|
if (core->res->hfi_version == HFI_VERSION_3XX) {
|
|
struct hfi_buffer_size_actual buf_sz;
|
|
|
|
ptype = HFI_PROPERTY_PARAM_BUFFER_SIZE_ACTUAL;
|
|
buf_sz.type = HFI_BUFFER_OUTPUT;
|
|
buf_sz.size = inst->output_buf_size;
|
|
|
|
ret = hfi_session_set_property(inst, ptype, &buf_sz);
|
|
if (ret)
|
|
goto deinit_sess;
|
|
}
|
|
|
|
ret = vdec_verify_conf(inst);
|
|
if (ret)
|
|
goto deinit_sess;
|
|
|
|
ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs,
|
|
VB2_MAX_FRAME);
|
|
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 vdec_vb2_ops = {
|
|
.queue_setup = vdec_queue_setup,
|
|
.buf_init = venus_helper_vb2_buf_init,
|
|
.buf_prepare = venus_helper_vb2_buf_prepare,
|
|
.start_streaming = vdec_start_streaming,
|
|
.stop_streaming = venus_helper_vb2_stop_streaming,
|
|
.buf_queue = venus_helper_vb2_buf_queue,
|
|
};
|
|
|
|
static void vdec_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)
|
|
{
|
|
enum vb2_buffer_state state = VB2_BUF_STATE_DONE;
|
|
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;
|
|
vbuf->field = V4L2_FIELD_NONE;
|
|
|
|
if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
|
|
vb = &vbuf->vb2_buf;
|
|
vb->planes[0].bytesused =
|
|
max_t(unsigned int, inst->output_buf_size, bytesused);
|
|
vb->planes[0].data_offset = data_offset;
|
|
vb->timestamp = timestamp_us * NSEC_PER_USEC;
|
|
vbuf->sequence = inst->sequence_cap++;
|
|
|
|
if (vbuf->flags & V4L2_BUF_FLAG_LAST) {
|
|
const struct v4l2_event ev = { .type = V4L2_EVENT_EOS };
|
|
|
|
v4l2_event_queue_fh(&inst->fh, &ev);
|
|
}
|
|
} else {
|
|
vbuf->sequence = inst->sequence_out++;
|
|
}
|
|
|
|
if (hfi_flags & HFI_BUFFERFLAG_READONLY)
|
|
venus_helper_acquire_buf_ref(vbuf);
|
|
|
|
if (hfi_flags & HFI_BUFFERFLAG_DATACORRUPT)
|
|
state = VB2_BUF_STATE_ERROR;
|
|
|
|
v4l2_m2m_buf_done(vbuf, state);
|
|
}
|
|
|
|
static void vdec_event_notify(struct venus_inst *inst, u32 event,
|
|
struct hfi_event_data *data)
|
|
{
|
|
struct venus_core *core = inst->core;
|
|
struct device *dev = core->dev_dec;
|
|
static const struct v4l2_event ev = {
|
|
.type = V4L2_EVENT_SOURCE_CHANGE,
|
|
.u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION };
|
|
|
|
switch (event) {
|
|
case EVT_SESSION_ERROR:
|
|
inst->session_error = true;
|
|
dev_err(dev, "dec: event session error %x\n", inst->error);
|
|
break;
|
|
case EVT_SYS_EVENT_CHANGE:
|
|
switch (data->event_type) {
|
|
case HFI_EVENT_DATA_SEQUENCE_CHANGED_SUFFICIENT_BUF_RESOURCES:
|
|
hfi_session_continue(inst);
|
|
dev_dbg(dev, "event sufficient resources\n");
|
|
break;
|
|
case HFI_EVENT_DATA_SEQUENCE_CHANGED_INSUFFICIENT_BUF_RESOURCES:
|
|
inst->reconfig_height = data->height;
|
|
inst->reconfig_width = data->width;
|
|
inst->reconfig = true;
|
|
|
|
v4l2_event_queue_fh(&inst->fh, &ev);
|
|
|
|
dev_dbg(dev, "event not sufficient resources (%ux%u)\n",
|
|
data->width, data->height);
|
|
break;
|
|
case HFI_EVENT_RELEASE_BUFFER_REFERENCE:
|
|
venus_helper_release_buf_ref(inst, data->tag);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static const struct hfi_inst_ops vdec_hfi_ops = {
|
|
.buf_done = vdec_buf_done,
|
|
.event_notify = vdec_event_notify,
|
|
};
|
|
|
|
static void vdec_inst_init(struct venus_inst *inst)
|
|
{
|
|
inst->fmt_out = &vdec_formats[6];
|
|
inst->fmt_cap = &vdec_formats[0];
|
|
inst->width = 1280;
|
|
inst->height = ALIGN(720, 32);
|
|
inst->out_width = 1280;
|
|
inst->out_height = 720;
|
|
inst->fps = 30;
|
|
inst->timeperframe.numerator = 1;
|
|
inst->timeperframe.denominator = 30;
|
|
|
|
inst->cap_width.min = 64;
|
|
inst->cap_width.max = 1920;
|
|
if (inst->core->res->hfi_version == HFI_VERSION_3XX)
|
|
inst->cap_width.max = 3840;
|
|
inst->cap_width.step_size = 1;
|
|
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 = 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 const struct v4l2_m2m_ops vdec_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 = &vdec_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 = &vdec_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 int vdec_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_DEC;
|
|
inst->num_output_bufs = 1;
|
|
|
|
venus_helper_init_instance(inst);
|
|
|
|
ret = pm_runtime_get_sync(core->dev_dec);
|
|
if (ret < 0)
|
|
goto err_free_inst;
|
|
|
|
ret = vdec_ctrl_init(inst);
|
|
if (ret)
|
|
goto err_put_sync;
|
|
|
|
ret = hfi_session_create(inst, &vdec_hfi_ops);
|
|
if (ret)
|
|
goto err_ctrl_deinit;
|
|
|
|
vdec_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(&vdec_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_dec);
|
|
|
|
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:
|
|
vdec_ctrl_deinit(inst);
|
|
err_put_sync:
|
|
pm_runtime_put_sync(core->dev_dec);
|
|
err_free_inst:
|
|
kfree(inst);
|
|
return ret;
|
|
}
|
|
|
|
static int vdec_close(struct file *file)
|
|
{
|
|
struct venus_inst *inst = to_inst(file);
|
|
|
|
v4l2_m2m_ctx_release(inst->m2m_ctx);
|
|
v4l2_m2m_release(inst->m2m_dev);
|
|
vdec_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_dec);
|
|
|
|
kfree(inst);
|
|
return 0;
|
|
}
|
|
|
|
static const struct v4l2_file_operations vdec_fops = {
|
|
.owner = THIS_MODULE,
|
|
.open = vdec_open,
|
|
.release = vdec_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 vdec_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->core0_clk = devm_clk_get(dev, "core");
|
|
if (IS_ERR(core->core0_clk))
|
|
return PTR_ERR(core->core0_clk);
|
|
}
|
|
|
|
platform_set_drvdata(pdev, core);
|
|
|
|
vdev = video_device_alloc();
|
|
if (!vdev)
|
|
return -ENOMEM;
|
|
|
|
strlcpy(vdev->name, "qcom-venus-decoder", sizeof(vdev->name));
|
|
vdev->release = video_device_release;
|
|
vdev->fops = &vdec_fops;
|
|
vdev->ioctl_ops = &vdec_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_dec = vdev;
|
|
core->dev_dec = dev;
|
|
|
|
video_set_drvdata(vdev, core);
|
|
pm_runtime_enable(dev);
|
|
|
|
return 0;
|
|
|
|
err_vdev_release:
|
|
video_device_release(vdev);
|
|
return ret;
|
|
}
|
|
|
|
static int vdec_remove(struct platform_device *pdev)
|
|
{
|
|
struct venus_core *core = dev_get_drvdata(pdev->dev.parent);
|
|
|
|
video_unregister_device(core->vdev_dec);
|
|
pm_runtime_disable(core->dev_dec);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static __maybe_unused int vdec_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_VDEC_VCODEC_POWER_CONTROL);
|
|
clk_disable_unprepare(core->core0_clk);
|
|
writel(1, core->base + WRAPPER_VDEC_VCODEC_POWER_CONTROL);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static __maybe_unused int vdec_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_VDEC_VCODEC_POWER_CONTROL);
|
|
ret = clk_prepare_enable(core->core0_clk);
|
|
writel(1, core->base + WRAPPER_VDEC_VCODEC_POWER_CONTROL);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static const struct dev_pm_ops vdec_pm_ops = {
|
|
SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
|
|
pm_runtime_force_resume)
|
|
SET_RUNTIME_PM_OPS(vdec_runtime_suspend, vdec_runtime_resume, NULL)
|
|
};
|
|
|
|
static const struct of_device_id vdec_dt_match[] = {
|
|
{ .compatible = "venus-decoder" },
|
|
{ }
|
|
};
|
|
MODULE_DEVICE_TABLE(of, vdec_dt_match);
|
|
|
|
static struct platform_driver qcom_venus_dec_driver = {
|
|
.probe = vdec_probe,
|
|
.remove = vdec_remove,
|
|
.driver = {
|
|
.name = "qcom-venus-decoder",
|
|
.of_match_table = vdec_dt_match,
|
|
.pm = &vdec_pm_ops,
|
|
},
|
|
};
|
|
module_platform_driver(qcom_venus_dec_driver);
|
|
|
|
MODULE_ALIAS("platform:qcom-venus-decoder");
|
|
MODULE_DESCRIPTION("Qualcomm Venus video decoder driver");
|
|
MODULE_LICENSE("GPL v2");
|