1848 lines
		
	
	
		
			44 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			1848 lines
		
	
	
		
			44 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0-only
 | |
| /*
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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_QC08C,
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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_QC10C,
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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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| 	if (V4L2_TYPE_IS_CAPTURE(type) &&
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| 	    !venus_helper_check_format(inst, fmt[i].pixfmt))
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| 		return NULL;
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| 
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| 	if (V4L2_TYPE_IS_CAPTURE(type) && fmt[i].pixfmt == V4L2_PIX_FMT_QC10C &&
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| 	    !(inst->bit_depth == VIDC_BITDEPTH_10))
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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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| 
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| 		if (V4L2_TYPE_IS_OUTPUT(type)) {
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| 			valid = venus_helper_check_codec(inst, fmt[i].pixfmt);
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| 		} else if (V4L2_TYPE_IS_CAPTURE(type)) {
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| 			valid = venus_helper_check_format(inst, fmt[i].pixfmt);
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| 
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| 			if (fmt[i].pixfmt == V4L2_PIX_FMT_QC10C &&
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| 			    !(inst->bit_depth == VIDC_BITDEPTH_10))
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| 				valid = false;
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| 		}
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| 
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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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| 		if (!fmt)
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| 			return NULL;
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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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| 
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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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| 
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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_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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| 
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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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| 
 | |
| 	if (vb2_is_busy(q))
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| 		return -EBUSY;
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| 
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| 	orig_pixmp = *pixmp;
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| 
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| 	fmt = vdec_try_fmt_common(inst, f);
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| 
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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;
 | |
| 	} 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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| 
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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;
 | |
| 		inst->input_buf_size = pixmp->plane_fmt[0].sizeimage;
 | |
| 	}
 | |
| 
 | |
| 	memset(&format, 0, sizeof(format));
 | |
| 
 | |
| 	format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
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| 	format.fmt.pix_mp.pixelformat = pixfmt_cap;
 | |
| 	format.fmt.pix_mp.width = orig_pixmp.width;
 | |
| 	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;
 | |
| 	inst->height = format.fmt.pix_mp.height;
 | |
| 	inst->crop.top = 0;
 | |
| 	inst->crop.left = 0;
 | |
| 	inst->crop.width = inst->width;
 | |
| 	inst->crop.height = inst->height;
 | |
| 
 | |
| 	if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 | |
| 		inst->fmt_out = fmt;
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| 	else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
 | |
| 		inst->fmt_cap = fmt;
 | |
| 		inst->output2_buf_size =
 | |
| 			venus_helper_get_framesz(pixfmt_cap, orig_pixmp.width, orig_pixmp.height);
 | |
| 	}
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static int
 | |
| vdec_g_selection(struct file *file, void *fh, struct v4l2_selection *s)
 | |
| {
 | |
| 	struct venus_inst *inst = to_inst(file);
 | |
| 
 | |
| 	if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
 | |
| 	    s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
 | |
| 		return -EINVAL;
 | |
| 
 | |
| 	s->r.top = 0;
 | |
| 	s->r.left = 0;
 | |
| 
 | |
| 	switch (s->target) {
 | |
| 	case V4L2_SEL_TGT_CROP_BOUNDS:
 | |
| 	case V4L2_SEL_TGT_CROP_DEFAULT:
 | |
| 	case V4L2_SEL_TGT_CROP:
 | |
| 		if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
 | |
| 			return -EINVAL;
 | |
| 		s->r.width = inst->out_width;
 | |
| 		s->r.height = inst->out_height;
 | |
| 		break;
 | |
| 	case V4L2_SEL_TGT_COMPOSE_BOUNDS:
 | |
| 	case V4L2_SEL_TGT_COMPOSE_PADDED:
 | |
| 		if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
 | |
| 			return -EINVAL;
 | |
| 		s->r.width = inst->width;
 | |
| 		s->r.height = inst->height;
 | |
| 		break;
 | |
| 	case V4L2_SEL_TGT_COMPOSE_DEFAULT:
 | |
| 	case V4L2_SEL_TGT_COMPOSE:
 | |
| 		if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
 | |
| 			return -EINVAL;
 | |
| 		s->r = inst->crop;
 | |
| 		break;
 | |
| 	default:
 | |
| 		return -EINVAL;
 | |
| 	}
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static int
 | |
| vdec_querycap(struct file *file, void *fh, struct v4l2_capability *cap)
 | |
| {
 | |
| 	strscpy(cap->driver, "qcom-venus", sizeof(cap->driver));
 | |
| 	strscpy(cap->card, "Qualcomm Venus video decoder", sizeof(cap->card));
 | |
| 	strscpy(cap->bus_info, "platform:qcom-venus", sizeof(cap->bus_info));
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static int vdec_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f)
 | |
| {
 | |
| 	struct venus_inst *inst = to_inst(file);
 | |
| 	const struct venus_format *fmt;
 | |
| 
 | |
| 	memset(f->reserved, 0, sizeof(f->reserved));
 | |
| 
 | |
| 	fmt = find_format_by_index(inst, f->index, f->type);
 | |
| 	if (!fmt)
 | |
| 		return -EINVAL;
 | |
| 
 | |
| 	f->pixelformat = fmt->pixfmt;
 | |
| 	f->flags = fmt->flags;
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static int vdec_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
 | |
| {
 | |
| 	struct venus_inst *inst = to_inst(file);
 | |
| 	struct v4l2_captureparm *cap = &a->parm.capture;
 | |
| 	struct v4l2_fract *timeperframe = &cap->timeperframe;
 | |
| 	u64 us_per_frame, fps;
 | |
| 
 | |
| 	if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
 | |
| 	    a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 | |
| 		return -EINVAL;
 | |
| 
 | |
| 	memset(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;
 | |
| 	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);
 | |
| 	fsize->stepwise.step_height = frame_height_step(inst);
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static int vdec_subscribe_event(struct v4l2_fh *fh,
 | |
| 				const struct v4l2_event_subscription *sub)
 | |
| {
 | |
| 	struct venus_inst *inst = container_of(fh, struct venus_inst, fh);
 | |
| 	int ret;
 | |
| 
 | |
| 	switch (sub->type) {
 | |
| 	case V4L2_EVENT_EOS:
 | |
| 		return v4l2_event_subscribe(fh, sub, 2, NULL);
 | |
| 	case V4L2_EVENT_SOURCE_CHANGE:
 | |
| 		ret = v4l2_src_change_event_subscribe(fh, sub);
 | |
| 		if (ret)
 | |
| 			return ret;
 | |
| 		inst->subscriptions |= V4L2_EVENT_SOURCE_CHANGE;
 | |
| 		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 vb2_queue *dst_vq;
 | |
| 	struct hfi_frame_data fdata = {0};
 | |
| 	int ret;
 | |
| 
 | |
| 	ret = v4l2_m2m_ioctl_try_decoder_cmd(file, fh, cmd);
 | |
| 	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;
 | |
| 		}
 | |
| 	} else if (cmd->cmd == V4L2_DEC_CMD_START &&
 | |
| 		   inst->codec_state == VENUS_DEC_STATE_STOPPED) {
 | |
| 		dst_vq = v4l2_m2m_get_vq(inst->fh.m2m_ctx,
 | |
| 					 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
 | |
| 		vb2_clear_last_buffer_dequeued(dst_vq);
 | |
| 
 | |
| 		inst->codec_state = VENUS_DEC_STATE_DECODING;
 | |
| 	}
 | |
| 
 | |
| 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;
 | |
| }
 | |
| 
 | |
| static int vdec_set_work_route(struct venus_inst *inst)
 | |
| {
 | |
| 	u32 ptype = HFI_PROPERTY_PARAM_WORK_ROUTE;
 | |
| 	struct hfi_video_work_route wr;
 | |
| 
 | |
| 	if (!IS_V6(inst->core))
 | |
| 		return 0;
 | |
| 
 | |
| 	wr.video_work_route = inst->core->res->num_vpp_pipes;
 | |
| 
 | |
| 	return hfi_session_set_property(inst, ptype, &wr);
 | |
| }
 | |
| 
 | |
| #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->width;
 | |
| 	u32 height = inst->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);
 | |
| 	struct venus_core *core = inst->core;
 | |
| 	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;
 | |
| 	}
 | |
| 
 | |
| 	if (test_bit(0, &core->sys_error)) {
 | |
| 		if (inst->nonblock)
 | |
| 			return -EAGAIN;
 | |
| 
 | |
| 		ret = wait_event_interruptible(core->sys_err_done,
 | |
| 					       !test_bit(0, &core->sys_error));
 | |
| 		if (ret)
 | |
| 			return ret;
 | |
| 	}
 | |
| 
 | |
| 	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;
 | |
| 
 | |
| 	venus_pm_load_scale(inst);
 | |
| 
 | |
| 	inst->next_buf_last = false;
 | |
| 
 | |
| 	ret = venus_helper_alloc_dpb_bufs(inst);
 | |
| 	if (ret)
 | |
| 		goto err;
 | |
| 
 | |
| 	ret = hfi_session_continue(inst);
 | |
| 	if (ret)
 | |
| 		goto free_dpb_bufs;
 | |
| 
 | |
| 	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;
 | |
| 
 | |
| 	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_set_work_route(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;
 | |
| 
 | |
| 	vdec_pm_get_put(inst);
 | |
| 
 | |
| 	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);
 | |
| 
 | |
| 	inst->session_error = 0;
 | |
| 
 | |
| 	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 || test_bit(0, &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) {
 | |
| 		venus_helper_change_dpb_owner(inst, vbuf, type, buf_type, tag);
 | |
| 		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->fw_min_cnt = ev_data->buf_count;
 | |
| 	/* overwriting this to 11 for vp9 due to fw bug */
 | |
| 	if (inst->hfi_codec == HFI_VIDEO_CODEC_VP9)
 | |
| 		inst->fw_min_cnt = 11;
 | |
| 
 | |
| 	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;
 | |
| 		venus_helper_vb2_queue_error(inst);
 | |
| 		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[8];
 | |
| 	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->fw_min_cnt = 8;
 | |
| 	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);
 | |
| 	inst->nonblock = file->f_flags & O_NONBLOCK;
 | |
| 
 | |
| 	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);
 | |
| 
 | |
| 	ida_init(&inst->dpb_ids);
 | |
| 
 | |
| 	/*
 | |
| 	 * 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);
 | |
| 	ida_destroy(&inst->dpb_ids);
 | |
| 	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");
 |