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1763 lines
42 KiB
1763 lines
42 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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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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#include <linux/clk.h> |
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#include <linux/module.h> |
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#include <linux/mod_devicetable.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-contig.h> |
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|
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#include "hfi_venus_io.h" |
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#include "hfi_parser.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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#include "pm_helpers.h" |
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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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.flags = V4L2_FMT_FLAG_DYN_RESOLUTION, |
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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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.flags = V4L2_FMT_FLAG_DYN_RESOLUTION, |
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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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.flags = V4L2_FMT_FLAG_DYN_RESOLUTION, |
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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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.flags = V4L2_FMT_FLAG_DYN_RESOLUTION, |
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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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.flags = V4L2_FMT_FLAG_DYN_RESOLUTION, |
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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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.flags = V4L2_FMT_FLAG_DYN_RESOLUTION, |
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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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.flags = V4L2_FMT_FLAG_DYN_RESOLUTION, |
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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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.flags = V4L2_FMT_FLAG_DYN_RESOLUTION, |
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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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.flags = V4L2_FMT_FLAG_DYN_RESOLUTION, |
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}, { |
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.pixfmt = V4L2_PIX_FMT_HEVC, |
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.num_planes = 1, |
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.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, |
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.flags = V4L2_FMT_FLAG_DYN_RESOLUTION, |
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}, |
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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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|
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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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|
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if (i == size || fmt[i].type != type) |
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return NULL; |
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|
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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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|
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return &fmt[i]; |
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} |
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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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|
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if (index > size) |
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return NULL; |
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|
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for (i = 0; i < size; i++) { |
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bool valid; |
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|
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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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|
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if (i == size) |
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return NULL; |
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|
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return &fmt[i]; |
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} |
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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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u32 szimage; |
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|
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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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|
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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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} |
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|
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pixmp->width = clamp(pixmp->width, frame_width_min(inst), |
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frame_width_max(inst)); |
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pixmp->height = clamp(pixmp->height, frame_height_min(inst), |
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frame_height_max(inst)); |
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|
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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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|
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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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|
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szimage = venus_helper_get_framesz(pixmp->pixelformat, pixmp->width, |
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pixmp->height); |
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|
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if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { |
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pfmt[0].sizeimage = szimage; |
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pfmt[0].bytesperline = ALIGN(pixmp->width, 128); |
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} else { |
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pfmt[0].sizeimage = clamp_t(u32, pfmt[0].sizeimage, 0, SZ_8M); |
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pfmt[0].sizeimage = max(pfmt[0].sizeimage, szimage); |
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pfmt[0].bytesperline = 0; |
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} |
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|
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return fmt; |
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} |
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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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|
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vdec_try_fmt_common(inst, f); |
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|
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return 0; |
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} |
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|
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static int vdec_check_src_change(struct venus_inst *inst) |
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{ |
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int ret; |
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|
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if (inst->subscriptions & V4L2_EVENT_SOURCE_CHANGE && |
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inst->codec_state == VENUS_DEC_STATE_INIT && |
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!inst->reconfig) |
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return -EINVAL; |
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|
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if (inst->subscriptions & V4L2_EVENT_SOURCE_CHANGE) |
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return 0; |
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|
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/* |
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* The code snippet below is a workaround for backward compatibility |
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* with applications which doesn't support V4L2 events. It will be |
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* dropped in future once those applications are fixed. |
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*/ |
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|
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if (inst->codec_state != VENUS_DEC_STATE_INIT) |
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goto done; |
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|
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ret = wait_event_timeout(inst->reconf_wait, inst->reconfig, |
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msecs_to_jiffies(100)); |
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if (!ret) |
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return -EINVAL; |
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|
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if (!(inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) || |
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!inst->reconfig) |
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dev_dbg(inst->core->dev, VDBGH "wrong state\n"); |
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|
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done: |
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return 0; |
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} |
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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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int ret; |
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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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|
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if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { |
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ret = vdec_check_src_change(inst); |
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if (ret) |
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return ret; |
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} |
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pixmp->pixelformat = fmt->pixfmt; |
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|
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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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struct vb2_queue *q; |
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q = v4l2_m2m_get_vq(inst->m2m_ctx, f->type); |
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if (!q) |
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return -EINVAL; |
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|
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if (vb2_is_busy(q)) |
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return -EBUSY; |
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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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|
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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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|
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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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inst->input_buf_size = pixmp->plane_fmt[0].sizeimage; |
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} |
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|
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memset(&format, 0, sizeof(format)); |
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|
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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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|
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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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inst->crop.top = 0; |
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inst->crop.left = 0; |
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inst->crop.width = inst->width; |
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inst->crop.height = inst->height; |
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|
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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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|
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return 0; |
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} |
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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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s->r.top = 0; |
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s->r.left = 0; |
|
|
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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 = inst->crop; |
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break; |
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default: |
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return -EINVAL; |
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} |
|
|
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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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strscpy(cap->driver, "qcom-venus", sizeof(cap->driver)); |
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strscpy(cap->card, "Qualcomm Venus video decoder", sizeof(cap->card)); |
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strscpy(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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f->flags = fmt->flags; |
|
|
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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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struct venus_inst *inst = to_inst(file); |
|
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) |
|
return -EINVAL; |
|
|
|
memset(cap->reserved, 0, sizeof(cap->reserved)); |
|
if (!timeperframe->denominator) |
|
timeperframe->denominator = inst->timeperframe.denominator; |
|
if (!timeperframe->numerator) |
|
timeperframe->numerator = inst->timeperframe.numerator; |
|
cap->readbuffers = 0; |
|
cap->extendedmode = 0; |
|
cap->capability = V4L2_CAP_TIMEPERFRAME; |
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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->fps = fps; |
|
inst->timeperframe = *timeperframe; |
|
|
|
return 0; |
|
} |
|
|
|
static int vdec_enum_framesizes(struct file *file, void *fh, |
|
struct v4l2_frmsizeenum *fsize) |
|
{ |
|
struct venus_inst *inst = to_inst(file); |
|
const struct venus_format *fmt; |
|
|
|
fmt = find_format(inst, fsize->pixel_format, |
|
V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); |
|
if (!fmt) { |
|
fmt = find_format(inst, fsize->pixel_format, |
|
V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE); |
|
if (!fmt) |
|
return -EINVAL; |
|
} |
|
|
|
if (fsize->index) |
|
return -EINVAL; |
|
|
|
fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE; |
|
|
|
fsize->stepwise.min_width = frame_width_min(inst); |
|
fsize->stepwise.max_width = frame_width_max(inst); |
|
fsize->stepwise.step_width = frame_width_step(inst); |
|
fsize->stepwise.min_height = frame_height_min(inst); |
|
fsize->stepwise.max_height = frame_height_max(inst); |
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fsize->stepwise.step_height = frame_height_step(inst); |
|
|
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return 0; |
|
} |
|
|
|
static int vdec_subscribe_event(struct v4l2_fh *fh, |
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const struct v4l2_event_subscription *sub) |
|
{ |
|
struct venus_inst *inst = container_of(fh, struct venus_inst, fh); |
|
int ret; |
|
|
|
switch (sub->type) { |
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case V4L2_EVENT_EOS: |
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return v4l2_event_subscribe(fh, sub, 2, NULL); |
|
case V4L2_EVENT_SOURCE_CHANGE: |
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ret = v4l2_src_change_event_subscribe(fh, sub); |
|
if (ret) |
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return ret; |
|
inst->subscriptions |= V4L2_EVENT_SOURCE_CHANGE; |
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return 0; |
|
case V4L2_EVENT_CTRL: |
|
return v4l2_ctrl_subscribe_event(fh, sub); |
|
default: |
|
return -EINVAL; |
|
} |
|
} |
|
|
|
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 = v4l2_m2m_ioctl_try_decoder_cmd(file, fh, cmd); |
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if (ret) |
|
return ret; |
|
|
|
mutex_lock(&inst->lock); |
|
|
|
if (cmd->cmd == V4L2_DEC_CMD_STOP) { |
|
/* |
|
* 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; |
|
if (IS_V6(inst->core)) |
|
fdata.device_addr = 0; |
|
else |
|
fdata.device_addr = 0xdeadb000; |
|
|
|
ret = hfi_session_process_buf(inst, &fdata); |
|
|
|
if (!ret && inst->codec_state == VENUS_DEC_STATE_DECODING) { |
|
inst->codec_state = VENUS_DEC_STATE_DRAIN; |
|
inst->drain_active = true; |
|
} |
|
} |
|
|
|
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 = vdec_enum_fmt, |
|
.vidioc_enum_fmt_vid_out = 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 = v4l2_m2m_ioctl_try_decoder_cmd, |
|
.vidioc_decoder_cmd = vdec_decoder_cmd, |
|
}; |
|
|
|
static int vdec_pm_get(struct venus_inst *inst) |
|
{ |
|
struct venus_core *core = inst->core; |
|
struct device *dev = core->dev_dec; |
|
int ret; |
|
|
|
mutex_lock(&core->pm_lock); |
|
ret = pm_runtime_resume_and_get(dev); |
|
mutex_unlock(&core->pm_lock); |
|
|
|
return ret; |
|
} |
|
|
|
static int vdec_pm_put(struct venus_inst *inst, bool autosuspend) |
|
{ |
|
struct venus_core *core = inst->core; |
|
struct device *dev = core->dev_dec; |
|
int ret; |
|
|
|
mutex_lock(&core->pm_lock); |
|
|
|
if (autosuspend) |
|
ret = pm_runtime_put_autosuspend(dev); |
|
else |
|
ret = pm_runtime_put_sync(dev); |
|
|
|
mutex_unlock(&core->pm_lock); |
|
|
|
return ret < 0 ? ret : 0; |
|
} |
|
|
|
static int vdec_pm_get_put(struct venus_inst *inst) |
|
{ |
|
struct venus_core *core = inst->core; |
|
struct device *dev = core->dev_dec; |
|
int ret = 0; |
|
|
|
mutex_lock(&core->pm_lock); |
|
|
|
if (pm_runtime_suspended(dev)) { |
|
ret = pm_runtime_resume_and_get(dev); |
|
if (ret < 0) |
|
goto error; |
|
|
|
ret = pm_runtime_put_autosuspend(dev); |
|
} |
|
|
|
error: |
|
mutex_unlock(&core->pm_lock); |
|
|
|
return ret < 0 ? ret : 0; |
|
} |
|
|
|
static void vdec_pm_touch(struct venus_inst *inst) |
|
{ |
|
pm_runtime_mark_last_busy(inst->core->dev_dec); |
|
} |
|
|
|
static int vdec_set_properties(struct venus_inst *inst) |
|
{ |
|
struct vdec_controls *ctr = &inst->controls.dec; |
|
struct hfi_enable en = { .enable = 1 }; |
|
u32 ptype, decode_order, conceal; |
|
int ret; |
|
|
|
if (ctr->post_loop_deb_mode) { |
|
ptype = HFI_PROPERTY_CONFIG_VDEC_POST_LOOP_DEBLOCKER; |
|
ret = hfi_session_set_property(inst, ptype, &en); |
|
if (ret) |
|
return ret; |
|
} |
|
|
|
if (ctr->display_delay_enable && ctr->display_delay == 0) { |
|
ptype = HFI_PROPERTY_PARAM_VDEC_OUTPUT_ORDER; |
|
decode_order = HFI_OUTPUT_ORDER_DECODE; |
|
ret = hfi_session_set_property(inst, ptype, &decode_order); |
|
if (ret) |
|
return ret; |
|
} |
|
|
|
ptype = HFI_PROPERTY_PARAM_VDEC_CONCEAL_COLOR; |
|
conceal = ctr->conceal_color & 0xffff; |
|
conceal |= ((ctr->conceal_color >> 16) & 0xffff) << 10; |
|
conceal |= ((ctr->conceal_color >> 32) & 0xffff) << 20; |
|
|
|
ret = hfi_session_set_property(inst, ptype, &conceal); |
|
if (ret) |
|
return ret; |
|
|
|
return 0; |
|
} |
|
|
|
#define is_ubwc_fmt(fmt) (!!((fmt) & HFI_COLOR_FORMAT_UBWC_BASE)) |
|
|
|
static int vdec_output_conf(struct venus_inst *inst) |
|
{ |
|
struct venus_core *core = inst->core; |
|
struct hfi_enable en = { .enable = 1 }; |
|
struct hfi_buffer_requirements bufreq; |
|
u32 width = inst->out_width; |
|
u32 height = inst->out_height; |
|
u32 out_fmt, out2_fmt; |
|
bool ubwc = false; |
|
u32 ptype; |
|
int ret; |
|
|
|
ret = venus_helper_set_work_mode(inst); |
|
if (ret) |
|
return 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; |
|
} |
|
|
|
/* Force searching UBWC formats for bigger then HD resolutions */ |
|
if (width > 1920 && height > ALIGN(1080, 32)) |
|
ubwc = true; |
|
|
|
/* For Venus v4/v6 UBWC format is mandatory */ |
|
if (IS_V4(core) || IS_V6(core)) |
|
ubwc = true; |
|
|
|
ret = venus_helper_get_out_fmts(inst, inst->fmt_cap->pixfmt, &out_fmt, |
|
&out2_fmt, ubwc); |
|
if (ret) |
|
return ret; |
|
|
|
inst->output_buf_size = |
|
venus_helper_get_framesz_raw(out_fmt, width, height); |
|
inst->output2_buf_size = |
|
venus_helper_get_framesz_raw(out2_fmt, width, height); |
|
|
|
if (is_ubwc_fmt(out_fmt)) { |
|
inst->opb_buftype = HFI_BUFFER_OUTPUT2; |
|
inst->opb_fmt = out2_fmt; |
|
inst->dpb_buftype = HFI_BUFFER_OUTPUT; |
|
inst->dpb_fmt = out_fmt; |
|
} else if (is_ubwc_fmt(out2_fmt)) { |
|
inst->opb_buftype = HFI_BUFFER_OUTPUT; |
|
inst->opb_fmt = out_fmt; |
|
inst->dpb_buftype = HFI_BUFFER_OUTPUT2; |
|
inst->dpb_fmt = out2_fmt; |
|
} else { |
|
inst->opb_buftype = HFI_BUFFER_OUTPUT; |
|
inst->opb_fmt = out_fmt; |
|
inst->dpb_buftype = 0; |
|
inst->dpb_fmt = 0; |
|
} |
|
|
|
ret = venus_helper_set_raw_format(inst, inst->opb_fmt, |
|
inst->opb_buftype); |
|
if (ret) |
|
return ret; |
|
|
|
ret = venus_helper_set_format_constraints(inst); |
|
if (ret) |
|
return ret; |
|
|
|
if (inst->dpb_fmt) { |
|
ret = venus_helper_set_multistream(inst, false, true); |
|
if (ret) |
|
return ret; |
|
|
|
ret = venus_helper_set_raw_format(inst, inst->dpb_fmt, |
|
inst->dpb_buftype); |
|
if (ret) |
|
return ret; |
|
|
|
ret = venus_helper_set_output_resolution(inst, width, height, |
|
HFI_BUFFER_OUTPUT2); |
|
if (ret) |
|
return ret; |
|
} |
|
|
|
if (IS_V3(core) || IS_V4(core) || IS_V6(core)) { |
|
ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); |
|
if (ret) |
|
return ret; |
|
|
|
if (bufreq.size > inst->output_buf_size) |
|
return -EINVAL; |
|
|
|
if (inst->dpb_fmt) { |
|
ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT2, |
|
&bufreq); |
|
if (ret) |
|
return ret; |
|
|
|
if (bufreq.size > inst->output2_buf_size) |
|
return -EINVAL; |
|
} |
|
|
|
if (inst->output2_buf_size) { |
|
ret = venus_helper_set_bufsize(inst, |
|
inst->output2_buf_size, |
|
HFI_BUFFER_OUTPUT2); |
|
if (ret) |
|
return ret; |
|
} |
|
|
|
if (inst->output_buf_size) { |
|
ret = venus_helper_set_bufsize(inst, |
|
inst->output_buf_size, |
|
HFI_BUFFER_OUTPUT); |
|
if (ret) |
|
return ret; |
|
} |
|
} |
|
|
|
ret = venus_helper_set_dyn_bufmode(inst); |
|
if (ret) |
|
return ret; |
|
|
|
return 0; |
|
} |
|
|
|
static int vdec_session_init(struct venus_inst *inst) |
|
{ |
|
int ret; |
|
|
|
ret = venus_helper_session_init(inst); |
|
if (ret == -EALREADY) |
|
return 0; |
|
else if (ret) |
|
return ret; |
|
|
|
ret = venus_helper_set_input_resolution(inst, frame_width_min(inst), |
|
frame_height_min(inst)); |
|
if (ret) |
|
goto deinit; |
|
|
|
return 0; |
|
deinit: |
|
hfi_session_deinit(inst); |
|
return ret; |
|
} |
|
|
|
static int vdec_num_buffers(struct venus_inst *inst, unsigned int *in_num, |
|
unsigned int *out_num) |
|
{ |
|
enum hfi_version ver = inst->core->res->hfi_version; |
|
struct hfi_buffer_requirements bufreq; |
|
int ret; |
|
|
|
*in_num = *out_num = 0; |
|
|
|
ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq); |
|
if (ret) |
|
return ret; |
|
|
|
*in_num = HFI_BUFREQ_COUNT_MIN(&bufreq, ver); |
|
|
|
ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); |
|
if (ret) |
|
return ret; |
|
|
|
*out_num = HFI_BUFREQ_COUNT_MIN(&bufreq, ver); |
|
|
|
return 0; |
|
} |
|
|
|
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 in_num, out_num; |
|
int ret = 0; |
|
|
|
if (*num_planes) { |
|
unsigned int output_buf_size = venus_helper_get_opb_size(inst); |
|
|
|
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] < output_buf_size) |
|
return -EINVAL; |
|
|
|
return 0; |
|
} |
|
|
|
ret = vdec_pm_get(inst); |
|
if (ret) |
|
return ret; |
|
|
|
ret = vdec_session_init(inst); |
|
if (ret) |
|
goto put_power; |
|
|
|
ret = vdec_num_buffers(inst, &in_num, &out_num); |
|
if (ret) |
|
goto put_power; |
|
|
|
ret = vdec_pm_put(inst, false); |
|
if (ret) |
|
return ret; |
|
|
|
switch (q->type) { |
|
case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: |
|
*num_planes = inst->fmt_out->num_planes; |
|
sizes[0] = venus_helper_get_framesz(inst->fmt_out->pixfmt, |
|
inst->out_width, |
|
inst->out_height); |
|
sizes[0] = max(sizes[0], inst->input_buf_size); |
|
inst->input_buf_size = sizes[0]; |
|
*num_buffers = max(*num_buffers, in_num); |
|
inst->num_input_bufs = *num_buffers; |
|
inst->num_output_bufs = out_num; |
|
break; |
|
case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: |
|
*num_planes = inst->fmt_cap->num_planes; |
|
sizes[0] = venus_helper_get_framesz(inst->fmt_cap->pixfmt, |
|
inst->width, |
|
inst->height); |
|
inst->output_buf_size = sizes[0]; |
|
*num_buffers = max(*num_buffers, out_num); |
|
inst->num_output_bufs = *num_buffers; |
|
|
|
mutex_lock(&inst->lock); |
|
if (inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) |
|
inst->codec_state = VENUS_DEC_STATE_STOPPED; |
|
mutex_unlock(&inst->lock); |
|
break; |
|
default: |
|
ret = -EINVAL; |
|
break; |
|
} |
|
|
|
return ret; |
|
|
|
put_power: |
|
vdec_pm_put(inst, false); |
|
return ret; |
|
} |
|
|
|
static int vdec_verify_conf(struct venus_inst *inst) |
|
{ |
|
enum hfi_version ver = inst->core->res->hfi_version; |
|
struct hfi_buffer_requirements bufreq; |
|
int ret; |
|
|
|
if (!inst->num_input_bufs || !inst->num_output_bufs) |
|
return -EINVAL; |
|
|
|
ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); |
|
if (ret) |
|
return ret; |
|
|
|
if (inst->num_output_bufs < bufreq.count_actual || |
|
inst->num_output_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver)) |
|
return -EINVAL; |
|
|
|
ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq); |
|
if (ret) |
|
return ret; |
|
|
|
if (inst->num_input_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver)) |
|
return -EINVAL; |
|
|
|
return 0; |
|
} |
|
|
|
static int vdec_start_capture(struct venus_inst *inst) |
|
{ |
|
int ret; |
|
|
|
if (!inst->streamon_out) |
|
return 0; |
|
|
|
if (inst->codec_state == VENUS_DEC_STATE_DECODING) { |
|
if (inst->reconfig) |
|
goto reconfigure; |
|
|
|
venus_helper_queue_dpb_bufs(inst); |
|
venus_helper_process_initial_cap_bufs(inst); |
|
inst->streamon_cap = 1; |
|
return 0; |
|
} |
|
|
|
if (inst->codec_state != VENUS_DEC_STATE_STOPPED) |
|
return 0; |
|
|
|
reconfigure: |
|
ret = vdec_output_conf(inst); |
|
if (ret) |
|
return ret; |
|
|
|
ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs, |
|
VB2_MAX_FRAME, VB2_MAX_FRAME); |
|
if (ret) |
|
return ret; |
|
|
|
ret = venus_helper_intbufs_realloc(inst); |
|
if (ret) |
|
goto err; |
|
|
|
ret = venus_helper_alloc_dpb_bufs(inst); |
|
if (ret) |
|
goto err; |
|
|
|
ret = venus_helper_queue_dpb_bufs(inst); |
|
if (ret) |
|
goto free_dpb_bufs; |
|
|
|
ret = venus_helper_process_initial_cap_bufs(inst); |
|
if (ret) |
|
goto free_dpb_bufs; |
|
|
|
venus_pm_load_scale(inst); |
|
|
|
inst->next_buf_last = false; |
|
|
|
ret = hfi_session_continue(inst); |
|
if (ret) |
|
goto free_dpb_bufs; |
|
|
|
inst->codec_state = VENUS_DEC_STATE_DECODING; |
|
|
|
if (inst->drain_active) |
|
inst->codec_state = VENUS_DEC_STATE_DRAIN; |
|
|
|
inst->streamon_cap = 1; |
|
inst->sequence_cap = 0; |
|
inst->reconfig = false; |
|
inst->drain_active = false; |
|
|
|
return 0; |
|
|
|
free_dpb_bufs: |
|
venus_helper_free_dpb_bufs(inst); |
|
err: |
|
return ret; |
|
} |
|
|
|
static int vdec_start_output(struct venus_inst *inst) |
|
{ |
|
int ret; |
|
|
|
if (inst->codec_state == VENUS_DEC_STATE_SEEK) { |
|
ret = venus_helper_process_initial_out_bufs(inst); |
|
if (inst->next_buf_last) |
|
inst->codec_state = VENUS_DEC_STATE_DRC; |
|
else |
|
inst->codec_state = VENUS_DEC_STATE_DECODING; |
|
goto done; |
|
} |
|
|
|
if (inst->codec_state == VENUS_DEC_STATE_INIT || |
|
inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) { |
|
ret = venus_helper_process_initial_out_bufs(inst); |
|
goto done; |
|
} |
|
|
|
if (inst->codec_state != VENUS_DEC_STATE_DEINIT) |
|
return -EINVAL; |
|
|
|
venus_helper_init_instance(inst); |
|
inst->sequence_out = 0; |
|
inst->reconfig = false; |
|
inst->next_buf_last = false; |
|
|
|
ret = vdec_set_properties(inst); |
|
if (ret) |
|
return ret; |
|
|
|
ret = vdec_output_conf(inst); |
|
if (ret) |
|
return ret; |
|
|
|
ret = vdec_verify_conf(inst); |
|
if (ret) |
|
return ret; |
|
|
|
ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs, |
|
VB2_MAX_FRAME, VB2_MAX_FRAME); |
|
if (ret) |
|
return ret; |
|
|
|
ret = venus_helper_vb2_start_streaming(inst); |
|
if (ret) |
|
return ret; |
|
|
|
ret = venus_helper_process_initial_out_bufs(inst); |
|
if (ret) |
|
return ret; |
|
|
|
inst->codec_state = VENUS_DEC_STATE_INIT; |
|
|
|
done: |
|
inst->streamon_out = 1; |
|
return ret; |
|
} |
|
|
|
static int vdec_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_CAPTURE_MPLANE) { |
|
ret = vdec_start_capture(inst); |
|
} else { |
|
ret = vdec_pm_get(inst); |
|
if (ret) |
|
goto error; |
|
|
|
ret = venus_pm_acquire_core(inst); |
|
if (ret) |
|
goto put_power; |
|
|
|
ret = vdec_pm_put(inst, true); |
|
if (ret) |
|
goto error; |
|
|
|
ret = vdec_start_output(inst); |
|
} |
|
|
|
if (ret) |
|
goto error; |
|
|
|
mutex_unlock(&inst->lock); |
|
return 0; |
|
|
|
put_power: |
|
vdec_pm_put(inst, false); |
|
error: |
|
venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_QUEUED); |
|
mutex_unlock(&inst->lock); |
|
return ret; |
|
} |
|
|
|
static void vdec_cancel_dst_buffers(struct venus_inst *inst) |
|
{ |
|
struct vb2_v4l2_buffer *buf; |
|
|
|
while ((buf = v4l2_m2m_dst_buf_remove(inst->m2m_ctx))) |
|
v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR); |
|
} |
|
|
|
static int vdec_stop_capture(struct venus_inst *inst) |
|
{ |
|
int ret = 0; |
|
|
|
switch (inst->codec_state) { |
|
case VENUS_DEC_STATE_DECODING: |
|
ret = hfi_session_flush(inst, HFI_FLUSH_ALL, true); |
|
fallthrough; |
|
case VENUS_DEC_STATE_DRAIN: |
|
inst->codec_state = VENUS_DEC_STATE_STOPPED; |
|
inst->drain_active = false; |
|
fallthrough; |
|
case VENUS_DEC_STATE_SEEK: |
|
vdec_cancel_dst_buffers(inst); |
|
break; |
|
case VENUS_DEC_STATE_DRC: |
|
ret = hfi_session_flush(inst, HFI_FLUSH_OUTPUT, true); |
|
inst->codec_state = VENUS_DEC_STATE_CAPTURE_SETUP; |
|
venus_helper_free_dpb_bufs(inst); |
|
break; |
|
default: |
|
break; |
|
} |
|
|
|
return ret; |
|
} |
|
|
|
static int vdec_stop_output(struct venus_inst *inst) |
|
{ |
|
int ret = 0; |
|
|
|
switch (inst->codec_state) { |
|
case VENUS_DEC_STATE_DECODING: |
|
case VENUS_DEC_STATE_DRAIN: |
|
case VENUS_DEC_STATE_STOPPED: |
|
case VENUS_DEC_STATE_DRC: |
|
ret = hfi_session_flush(inst, HFI_FLUSH_ALL, true); |
|
inst->codec_state = VENUS_DEC_STATE_SEEK; |
|
break; |
|
case VENUS_DEC_STATE_INIT: |
|
case VENUS_DEC_STATE_CAPTURE_SETUP: |
|
ret = hfi_session_flush(inst, HFI_FLUSH_INPUT, true); |
|
break; |
|
default: |
|
break; |
|
} |
|
|
|
return ret; |
|
} |
|
|
|
static void vdec_stop_streaming(struct vb2_queue *q) |
|
{ |
|
struct venus_inst *inst = vb2_get_drv_priv(q); |
|
int ret = -EINVAL; |
|
|
|
mutex_lock(&inst->lock); |
|
|
|
if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) |
|
ret = vdec_stop_capture(inst); |
|
else |
|
ret = vdec_stop_output(inst); |
|
|
|
venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_ERROR); |
|
|
|
if (ret) |
|
goto unlock; |
|
|
|
if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) |
|
inst->streamon_out = 0; |
|
else |
|
inst->streamon_cap = 0; |
|
|
|
unlock: |
|
mutex_unlock(&inst->lock); |
|
} |
|
|
|
static void vdec_session_release(struct venus_inst *inst) |
|
{ |
|
struct venus_core *core = inst->core; |
|
int ret, abort = 0; |
|
|
|
vdec_pm_get(inst); |
|
|
|
mutex_lock(&inst->lock); |
|
inst->codec_state = VENUS_DEC_STATE_DEINIT; |
|
|
|
ret = hfi_session_stop(inst); |
|
abort = (ret && ret != -EINVAL) ? 1 : 0; |
|
ret = hfi_session_unload_res(inst); |
|
abort = (ret && ret != -EINVAL) ? 1 : 0; |
|
ret = venus_helper_unregister_bufs(inst); |
|
abort = (ret && ret != -EINVAL) ? 1 : 0; |
|
ret = venus_helper_intbufs_free(inst); |
|
abort = (ret && ret != -EINVAL) ? 1 : 0; |
|
ret = hfi_session_deinit(inst); |
|
abort = (ret && ret != -EINVAL) ? 1 : 0; |
|
|
|
if (inst->session_error || core->sys_error) |
|
abort = 1; |
|
|
|
if (abort) |
|
hfi_session_abort(inst); |
|
|
|
venus_helper_free_dpb_bufs(inst); |
|
venus_pm_load_scale(inst); |
|
INIT_LIST_HEAD(&inst->registeredbufs); |
|
mutex_unlock(&inst->lock); |
|
|
|
venus_pm_release_core(inst); |
|
vdec_pm_put(inst, false); |
|
} |
|
|
|
static int vdec_buf_init(struct vb2_buffer *vb) |
|
{ |
|
struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); |
|
|
|
inst->buf_count++; |
|
|
|
return venus_helper_vb2_buf_init(vb); |
|
} |
|
|
|
static void vdec_buf_cleanup(struct vb2_buffer *vb) |
|
{ |
|
struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); |
|
struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); |
|
struct venus_buffer *buf = to_venus_buffer(vbuf); |
|
|
|
mutex_lock(&inst->lock); |
|
if (vb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) |
|
if (!list_empty(&inst->registeredbufs)) |
|
list_del_init(&buf->reg_list); |
|
mutex_unlock(&inst->lock); |
|
|
|
inst->buf_count--; |
|
if (!inst->buf_count) |
|
vdec_session_release(inst); |
|
} |
|
|
|
static void vdec_vb2_buf_queue(struct vb2_buffer *vb) |
|
{ |
|
struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); |
|
struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); |
|
static const struct v4l2_event eos = { .type = V4L2_EVENT_EOS }; |
|
|
|
vdec_pm_get_put(inst); |
|
|
|
mutex_lock(&inst->lock); |
|
|
|
if (inst->next_buf_last && V4L2_TYPE_IS_CAPTURE(vb->vb2_queue->type) && |
|
inst->codec_state == VENUS_DEC_STATE_DRC) { |
|
vbuf->flags |= V4L2_BUF_FLAG_LAST; |
|
vbuf->sequence = inst->sequence_cap++; |
|
vbuf->field = V4L2_FIELD_NONE; |
|
vb2_set_plane_payload(vb, 0, 0); |
|
v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE); |
|
v4l2_event_queue_fh(&inst->fh, &eos); |
|
inst->next_buf_last = false; |
|
mutex_unlock(&inst->lock); |
|
return; |
|
} |
|
|
|
venus_helper_vb2_buf_queue(vb); |
|
mutex_unlock(&inst->lock); |
|
} |
|
|
|
static const struct vb2_ops vdec_vb2_ops = { |
|
.queue_setup = vdec_queue_setup, |
|
.buf_init = vdec_buf_init, |
|
.buf_cleanup = vdec_buf_cleanup, |
|
.buf_prepare = venus_helper_vb2_buf_prepare, |
|
.start_streaming = vdec_start_streaming, |
|
.stop_streaming = vdec_stop_streaming, |
|
.buf_queue = vdec_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; |
|
|
|
vdec_pm_touch(inst); |
|
|
|
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; |
|
vb = &vbuf->vb2_buf; |
|
|
|
if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { |
|
vb2_set_plane_payload(vb, 0, 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); |
|
|
|
if (inst->codec_state == VENUS_DEC_STATE_DRAIN) { |
|
inst->drain_active = false; |
|
inst->codec_state = VENUS_DEC_STATE_STOPPED; |
|
} |
|
} |
|
|
|
if (!bytesused) |
|
state = VB2_BUF_STATE_ERROR; |
|
} else { |
|
vbuf->sequence = inst->sequence_out++; |
|
} |
|
|
|
venus_helper_get_ts_metadata(inst, timestamp_us, vbuf); |
|
|
|
if (hfi_flags & HFI_BUFFERFLAG_READONLY) |
|
venus_helper_acquire_buf_ref(vbuf); |
|
|
|
if (hfi_flags & HFI_BUFFERFLAG_DATACORRUPT) |
|
state = VB2_BUF_STATE_ERROR; |
|
|
|
if (hfi_flags & HFI_BUFFERFLAG_DROP_FRAME) { |
|
state = VB2_BUF_STATE_ERROR; |
|
vb2_set_plane_payload(vb, 0, 0); |
|
vb->timestamp = 0; |
|
} |
|
|
|
v4l2_m2m_buf_done(vbuf, state); |
|
} |
|
|
|
static void vdec_event_change(struct venus_inst *inst, |
|
struct hfi_event_data *ev_data, bool sufficient) |
|
{ |
|
static const struct v4l2_event ev = { |
|
.type = V4L2_EVENT_SOURCE_CHANGE, |
|
.u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION }; |
|
struct device *dev = inst->core->dev_dec; |
|
struct v4l2_format format = {}; |
|
|
|
mutex_lock(&inst->lock); |
|
|
|
format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; |
|
format.fmt.pix_mp.pixelformat = inst->fmt_cap->pixfmt; |
|
format.fmt.pix_mp.width = ev_data->width; |
|
format.fmt.pix_mp.height = ev_data->height; |
|
|
|
vdec_try_fmt_common(inst, &format); |
|
|
|
inst->width = format.fmt.pix_mp.width; |
|
inst->height = format.fmt.pix_mp.height; |
|
/* |
|
* Some versions of the firmware do not report crop information for |
|
* all codecs. For these cases, set the crop to the coded resolution. |
|
*/ |
|
if (ev_data->input_crop.width > 0 && ev_data->input_crop.height > 0) { |
|
inst->crop.left = ev_data->input_crop.left; |
|
inst->crop.top = ev_data->input_crop.top; |
|
inst->crop.width = ev_data->input_crop.width; |
|
inst->crop.height = ev_data->input_crop.height; |
|
} else { |
|
inst->crop.left = 0; |
|
inst->crop.top = 0; |
|
inst->crop.width = ev_data->width; |
|
inst->crop.height = ev_data->height; |
|
} |
|
|
|
inst->out_width = ev_data->width; |
|
inst->out_height = ev_data->height; |
|
|
|
if (inst->bit_depth != ev_data->bit_depth) |
|
inst->bit_depth = ev_data->bit_depth; |
|
|
|
if (inst->pic_struct != ev_data->pic_struct) |
|
inst->pic_struct = ev_data->pic_struct; |
|
|
|
dev_dbg(dev, VDBGM "event %s sufficient resources (%ux%u)\n", |
|
sufficient ? "" : "not", ev_data->width, ev_data->height); |
|
|
|
switch (inst->codec_state) { |
|
case VENUS_DEC_STATE_INIT: |
|
inst->codec_state = VENUS_DEC_STATE_CAPTURE_SETUP; |
|
break; |
|
case VENUS_DEC_STATE_DECODING: |
|
case VENUS_DEC_STATE_DRAIN: |
|
inst->codec_state = VENUS_DEC_STATE_DRC; |
|
break; |
|
default: |
|
break; |
|
} |
|
|
|
/* |
|
* The assumption is that the firmware have to return the last buffer |
|
* before this event is received in the v4l2 driver. Also the firmware |
|
* itself doesn't mark the last decoder output buffer with HFI EOS flag. |
|
*/ |
|
|
|
if (inst->codec_state == VENUS_DEC_STATE_DRC) { |
|
int ret; |
|
|
|
inst->next_buf_last = true; |
|
|
|
ret = hfi_session_flush(inst, HFI_FLUSH_OUTPUT, false); |
|
if (ret) |
|
dev_dbg(dev, VDBGH "flush output error %d\n", ret); |
|
} |
|
|
|
inst->next_buf_last = true; |
|
inst->reconfig = true; |
|
v4l2_event_queue_fh(&inst->fh, &ev); |
|
wake_up(&inst->reconf_wait); |
|
|
|
mutex_unlock(&inst->lock); |
|
} |
|
|
|
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; |
|
|
|
vdec_pm_touch(inst); |
|
|
|
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: |
|
vdec_event_change(inst, data, true); |
|
break; |
|
case HFI_EVENT_DATA_SEQUENCE_CHANGED_INSUFFICIENT_BUF_RESOURCES: |
|
vdec_event_change(inst, data, false); |
|
break; |
|
case HFI_EVENT_RELEASE_BUFFER_REFERENCE: |
|
venus_helper_release_buf_ref(inst, data->tag); |
|
break; |
|
default: |
|
break; |
|
} |
|
break; |
|
default: |
|
break; |
|
} |
|
} |
|
|
|
static void vdec_flush_done(struct venus_inst *inst) |
|
{ |
|
dev_dbg(inst->core->dev_dec, VDBGH "flush done\n"); |
|
} |
|
|
|
static const struct hfi_inst_ops vdec_hfi_ops = { |
|
.buf_done = vdec_buf_done, |
|
.event_notify = vdec_event_notify, |
|
.flush_done = vdec_flush_done, |
|
}; |
|
|
|
static void vdec_inst_init(struct venus_inst *inst) |
|
{ |
|
inst->hfi_codec = HFI_VIDEO_CODEC_H264; |
|
inst->fmt_out = &vdec_formats[6]; |
|
inst->fmt_cap = &vdec_formats[0]; |
|
inst->width = frame_width_min(inst); |
|
inst->height = ALIGN(frame_height_min(inst), 32); |
|
inst->crop.left = 0; |
|
inst->crop.top = 0; |
|
inst->crop.width = inst->width; |
|
inst->crop.height = inst->height; |
|
inst->out_width = frame_width_min(inst); |
|
inst->out_height = frame_height_min(inst); |
|
inst->fps = 30; |
|
inst->timeperframe.numerator = 1; |
|
inst->timeperframe.denominator = 30; |
|
inst->opb_buftype = HFI_BUFFER_OUTPUT; |
|
} |
|
|
|
static void vdec_m2m_device_run(void *priv) |
|
{ |
|
} |
|
|
|
static const struct v4l2_m2m_ops vdec_m2m_ops = { |
|
.device_run = vdec_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_contig_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 = 0; |
|
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_contig_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 = 0; |
|
dst_vq->dev = inst->core->dev; |
|
return vb2_queue_init(dst_vq); |
|
} |
|
|
|
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->dpbbufs); |
|
INIT_LIST_HEAD(&inst->registeredbufs); |
|
INIT_LIST_HEAD(&inst->internalbufs); |
|
INIT_LIST_HEAD(&inst->list); |
|
mutex_init(&inst->lock); |
|
|
|
inst->core = core; |
|
inst->session_type = VIDC_SESSION_TYPE_DEC; |
|
inst->num_output_bufs = 1; |
|
inst->codec_state = VENUS_DEC_STATE_DEINIT; |
|
inst->buf_count = 0; |
|
inst->clk_data.core_id = VIDC_CORE_ID_DEFAULT; |
|
inst->core_acquired = false; |
|
inst->bit_depth = VIDC_BITDEPTH_8; |
|
inst->pic_struct = HFI_INTERLACE_FRAME_PROGRESSIVE; |
|
init_waitqueue_head(&inst->reconf_wait); |
|
venus_helper_init_instance(inst); |
|
|
|
ret = vdec_ctrl_init(inst); |
|
if (ret) |
|
goto err_free; |
|
|
|
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_free: |
|
kfree(inst); |
|
return ret; |
|
} |
|
|
|
static int vdec_close(struct file *file) |
|
{ |
|
struct venus_inst *inst = to_inst(file); |
|
|
|
vdec_pm_get(inst); |
|
|
|
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); |
|
|
|
vdec_pm_put(inst, false); |
|
|
|
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, |
|
}; |
|
|
|
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; |
|
|
|
platform_set_drvdata(pdev, core); |
|
|
|
if (core->pm_ops->vdec_get) { |
|
ret = core->pm_ops->vdec_get(dev); |
|
if (ret) |
|
return ret; |
|
} |
|
|
|
vdev = video_device_alloc(); |
|
if (!vdev) |
|
return -ENOMEM; |
|
|
|
strscpy(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_VIDEO, -1); |
|
if (ret) |
|
goto err_vdev_release; |
|
|
|
core->vdev_dec = vdev; |
|
core->dev_dec = dev; |
|
|
|
video_set_drvdata(vdev, core); |
|
pm_runtime_set_autosuspend_delay(dev, 2000); |
|
pm_runtime_use_autosuspend(dev); |
|
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); |
|
|
|
if (core->pm_ops->vdec_put) |
|
core->pm_ops->vdec_put(core->dev_dec); |
|
|
|
return 0; |
|
} |
|
|
|
static __maybe_unused int vdec_runtime_suspend(struct device *dev) |
|
{ |
|
struct venus_core *core = dev_get_drvdata(dev); |
|
const struct venus_pm_ops *pm_ops = core->pm_ops; |
|
int ret = 0; |
|
|
|
if (pm_ops->vdec_power) |
|
ret = pm_ops->vdec_power(dev, POWER_OFF); |
|
|
|
return ret; |
|
} |
|
|
|
static __maybe_unused int vdec_runtime_resume(struct device *dev) |
|
{ |
|
struct venus_core *core = dev_get_drvdata(dev); |
|
const struct venus_pm_ops *pm_ops = core->pm_ops; |
|
int ret = 0; |
|
|
|
if (pm_ops->vdec_power) |
|
ret = pm_ops->vdec_power(dev, POWER_ON); |
|
|
|
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");
|
|
|