469 lines
16 KiB
C
469 lines
16 KiB
C
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// SPDX-License-Identifier: GPL-2.0+
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/*
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* vsp1_pipe.c -- R-Car VSP1 Pipeline
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*
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* Copyright (C) 2013-2015 Renesas Electronics Corporation
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*
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* Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
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*/
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#include <linux/delay.h>
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#include <linux/list.h>
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#include <linux/sched.h>
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#include <linux/wait.h>
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#include <media/media-entity.h>
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#include <media/v4l2-subdev.h>
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#include "vsp1.h"
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#include "vsp1_brx.h"
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#include "vsp1_dl.h"
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#include "vsp1_entity.h"
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#include "vsp1_hgo.h"
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#include "vsp1_hgt.h"
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#include "vsp1_pipe.h"
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#include "vsp1_rwpf.h"
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#include "vsp1_uds.h"
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/* -----------------------------------------------------------------------------
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* Helper Functions
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*/
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static const struct vsp1_format_info vsp1_video_formats[] = {
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{ V4L2_PIX_FMT_RGB332, MEDIA_BUS_FMT_ARGB8888_1X32,
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VI6_FMT_RGB_332, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS |
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VI6_RPF_DSWAP_P_WDS | VI6_RPF_DSWAP_P_BTS,
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1, { 8, 0, 0 }, false, false, 1, 1, false },
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{ V4L2_PIX_FMT_ARGB444, MEDIA_BUS_FMT_ARGB8888_1X32,
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VI6_FMT_ARGB_4444, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS |
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VI6_RPF_DSWAP_P_WDS,
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1, { 16, 0, 0 }, false, false, 1, 1, true },
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{ V4L2_PIX_FMT_XRGB444, MEDIA_BUS_FMT_ARGB8888_1X32,
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VI6_FMT_XRGB_4444, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS |
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VI6_RPF_DSWAP_P_WDS,
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1, { 16, 0, 0 }, false, false, 1, 1, false },
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{ V4L2_PIX_FMT_RGBA444, MEDIA_BUS_FMT_ARGB8888_1X32,
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VI6_FMT_RGBA_4444, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS |
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VI6_RPF_DSWAP_P_WDS,
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1, { 16, 0, 0 }, false, false, 1, 1, true },
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{ V4L2_PIX_FMT_RGBX444, MEDIA_BUS_FMT_ARGB8888_1X32,
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VI6_FMT_RGBX_4444, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS |
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VI6_RPF_DSWAP_P_WDS,
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1, { 16, 0, 0 }, false, false, 1, 1, false },
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{ V4L2_PIX_FMT_ABGR444, MEDIA_BUS_FMT_ARGB8888_1X32,
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VI6_FMT_ABGR_4444, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS |
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VI6_RPF_DSWAP_P_WDS,
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1, { 16, 0, 0 }, false, false, 1, 1, true },
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{ V4L2_PIX_FMT_XBGR444, MEDIA_BUS_FMT_ARGB8888_1X32,
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VI6_FMT_ABGR_4444, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS |
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VI6_RPF_DSWAP_P_WDS,
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1, { 16, 0, 0 }, false, false, 1, 1, false },
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{ V4L2_PIX_FMT_BGRA444, MEDIA_BUS_FMT_ARGB8888_1X32,
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VI6_FMT_BGRA_4444, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS |
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VI6_RPF_DSWAP_P_WDS,
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1, { 16, 0, 0 }, false, false, 1, 1, true },
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{ V4L2_PIX_FMT_BGRX444, MEDIA_BUS_FMT_ARGB8888_1X32,
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VI6_FMT_BGRA_4444, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS |
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VI6_RPF_DSWAP_P_WDS,
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1, { 16, 0, 0 }, false, false, 1, 1, false },
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{ V4L2_PIX_FMT_ARGB555, MEDIA_BUS_FMT_ARGB8888_1X32,
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VI6_FMT_ARGB_1555, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS |
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VI6_RPF_DSWAP_P_WDS,
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1, { 16, 0, 0 }, false, false, 1, 1, true },
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{ V4L2_PIX_FMT_XRGB555, MEDIA_BUS_FMT_ARGB8888_1X32,
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VI6_FMT_XRGB_1555, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS |
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VI6_RPF_DSWAP_P_WDS,
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1, { 16, 0, 0 }, false, false, 1, 1, false },
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{ V4L2_PIX_FMT_RGBA555, MEDIA_BUS_FMT_ARGB8888_1X32,
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VI6_FMT_RGBA_5551, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS |
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VI6_RPF_DSWAP_P_WDS,
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1, { 16, 0, 0 }, false, false, 1, 1, true },
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{ V4L2_PIX_FMT_RGBX555, MEDIA_BUS_FMT_ARGB8888_1X32,
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VI6_FMT_RGBX_5551, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS |
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VI6_RPF_DSWAP_P_WDS,
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1, { 16, 0, 0 }, false, false, 1, 1, false },
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{ V4L2_PIX_FMT_ABGR555, MEDIA_BUS_FMT_ARGB8888_1X32,
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VI6_FMT_ABGR_1555, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS |
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VI6_RPF_DSWAP_P_WDS,
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1, { 16, 0, 0 }, false, false, 1, 1, true },
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{ V4L2_PIX_FMT_XBGR555, MEDIA_BUS_FMT_ARGB8888_1X32,
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VI6_FMT_ABGR_1555, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS |
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VI6_RPF_DSWAP_P_WDS,
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1, { 16, 0, 0 }, false, false, 1, 1, false },
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{ V4L2_PIX_FMT_BGRA555, MEDIA_BUS_FMT_ARGB8888_1X32,
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VI6_FMT_BGRA_5551, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS |
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VI6_RPF_DSWAP_P_WDS,
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1, { 16, 0, 0 }, false, false, 1, 1, true },
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{ V4L2_PIX_FMT_BGRX555, MEDIA_BUS_FMT_ARGB8888_1X32,
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VI6_FMT_BGRA_5551, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS |
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VI6_RPF_DSWAP_P_WDS,
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1, { 16, 0, 0 }, false, false, 1, 1, false },
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{ V4L2_PIX_FMT_RGB565, MEDIA_BUS_FMT_ARGB8888_1X32,
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VI6_FMT_RGB_565, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS |
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VI6_RPF_DSWAP_P_WDS,
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1, { 16, 0, 0 }, false, false, 1, 1, false },
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{ V4L2_PIX_FMT_BGR24, MEDIA_BUS_FMT_ARGB8888_1X32,
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VI6_FMT_BGR_888, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS |
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VI6_RPF_DSWAP_P_WDS | VI6_RPF_DSWAP_P_BTS,
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1, { 24, 0, 0 }, false, false, 1, 1, false },
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{ V4L2_PIX_FMT_RGB24, MEDIA_BUS_FMT_ARGB8888_1X32,
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VI6_FMT_RGB_888, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS |
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VI6_RPF_DSWAP_P_WDS | VI6_RPF_DSWAP_P_BTS,
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1, { 24, 0, 0 }, false, false, 1, 1, false },
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{ V4L2_PIX_FMT_ABGR32, MEDIA_BUS_FMT_ARGB8888_1X32,
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VI6_FMT_ARGB_8888, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS,
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1, { 32, 0, 0 }, false, false, 1, 1, true },
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{ V4L2_PIX_FMT_XBGR32, MEDIA_BUS_FMT_ARGB8888_1X32,
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VI6_FMT_ARGB_8888, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS,
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1, { 32, 0, 0 }, false, false, 1, 1, false },
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{ V4L2_PIX_FMT_BGRA32, MEDIA_BUS_FMT_ARGB8888_1X32,
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VI6_FMT_RGBA_8888, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS,
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1, { 32, 0, 0 }, false, false, 1, 1, true },
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{ V4L2_PIX_FMT_BGRX32, MEDIA_BUS_FMT_ARGB8888_1X32,
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VI6_FMT_RGBA_8888, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS,
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1, { 32, 0, 0 }, false, false, 1, 1, false },
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{ V4L2_PIX_FMT_RGBA32, MEDIA_BUS_FMT_ARGB8888_1X32,
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VI6_FMT_RGBA_8888, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS |
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VI6_RPF_DSWAP_P_WDS | VI6_RPF_DSWAP_P_BTS,
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1, { 32, 0, 0 }, false, false, 1, 1, true },
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{ V4L2_PIX_FMT_RGBX32, MEDIA_BUS_FMT_ARGB8888_1X32,
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VI6_FMT_RGBA_8888, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS |
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VI6_RPF_DSWAP_P_WDS | VI6_RPF_DSWAP_P_BTS,
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1, { 32, 0, 0 }, false, false, 1, 1, false },
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{ V4L2_PIX_FMT_ARGB32, MEDIA_BUS_FMT_ARGB8888_1X32,
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VI6_FMT_ARGB_8888, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS |
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VI6_RPF_DSWAP_P_WDS | VI6_RPF_DSWAP_P_BTS,
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1, { 32, 0, 0 }, false, false, 1, 1, true },
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{ V4L2_PIX_FMT_XRGB32, MEDIA_BUS_FMT_ARGB8888_1X32,
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VI6_FMT_ARGB_8888, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS |
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VI6_RPF_DSWAP_P_WDS | VI6_RPF_DSWAP_P_BTS,
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1, { 32, 0, 0 }, false, false, 1, 1, false },
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{ V4L2_PIX_FMT_HSV24, MEDIA_BUS_FMT_AHSV8888_1X32,
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VI6_FMT_RGB_888, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS |
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VI6_RPF_DSWAP_P_WDS | VI6_RPF_DSWAP_P_BTS,
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1, { 24, 0, 0 }, false, false, 1, 1, false },
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{ V4L2_PIX_FMT_HSV32, MEDIA_BUS_FMT_AHSV8888_1X32,
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VI6_FMT_ARGB_8888, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS |
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VI6_RPF_DSWAP_P_WDS | VI6_RPF_DSWAP_P_BTS,
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1, { 32, 0, 0 }, false, false, 1, 1, false },
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{ V4L2_PIX_FMT_RGBX1010102, MEDIA_BUS_FMT_ARGB8888_1X32,
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VI6_FMT_RGB10_RGB10A2_A2RGB10,
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VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS,
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1, { 32, 0, 0 }, false, false, 1, 1, false },
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{ V4L2_PIX_FMT_RGBA1010102, MEDIA_BUS_FMT_ARGB8888_1X32,
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VI6_FMT_RGB10_RGB10A2_A2RGB10,
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VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS,
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1, { 32, 0, 0 }, false, false, 1, 1, false },
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{ V4L2_PIX_FMT_ARGB2101010, MEDIA_BUS_FMT_ARGB8888_1X32,
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VI6_FMT_RGB10_RGB10A2_A2RGB10,
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VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS,
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1, { 32, 0, 0 }, false, false, 1, 1, false },
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{ V4L2_PIX_FMT_UYVY, MEDIA_BUS_FMT_AYUV8_1X32,
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VI6_FMT_YUYV_422, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS |
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VI6_RPF_DSWAP_P_WDS | VI6_RPF_DSWAP_P_BTS,
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1, { 16, 0, 0 }, false, false, 2, 1, false },
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{ V4L2_PIX_FMT_VYUY, MEDIA_BUS_FMT_AYUV8_1X32,
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VI6_FMT_YUYV_422, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS |
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VI6_RPF_DSWAP_P_WDS | VI6_RPF_DSWAP_P_BTS,
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1, { 16, 0, 0 }, false, true, 2, 1, false },
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{ V4L2_PIX_FMT_YUYV, MEDIA_BUS_FMT_AYUV8_1X32,
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VI6_FMT_YUYV_422, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS |
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VI6_RPF_DSWAP_P_WDS | VI6_RPF_DSWAP_P_BTS,
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1, { 16, 0, 0 }, true, false, 2, 1, false },
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{ V4L2_PIX_FMT_YVYU, MEDIA_BUS_FMT_AYUV8_1X32,
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VI6_FMT_YUYV_422, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS |
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VI6_RPF_DSWAP_P_WDS | VI6_RPF_DSWAP_P_BTS,
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1, { 16, 0, 0 }, true, true, 2, 1, false },
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{ V4L2_PIX_FMT_NV12M, MEDIA_BUS_FMT_AYUV8_1X32,
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VI6_FMT_Y_UV_420, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS |
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VI6_RPF_DSWAP_P_WDS | VI6_RPF_DSWAP_P_BTS,
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2, { 8, 16, 0 }, false, false, 2, 2, false },
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{ V4L2_PIX_FMT_NV21M, MEDIA_BUS_FMT_AYUV8_1X32,
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VI6_FMT_Y_UV_420, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS |
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VI6_RPF_DSWAP_P_WDS | VI6_RPF_DSWAP_P_BTS,
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2, { 8, 16, 0 }, false, true, 2, 2, false },
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{ V4L2_PIX_FMT_NV16M, MEDIA_BUS_FMT_AYUV8_1X32,
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VI6_FMT_Y_UV_422, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS |
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VI6_RPF_DSWAP_P_WDS | VI6_RPF_DSWAP_P_BTS,
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2, { 8, 16, 0 }, false, false, 2, 1, false },
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{ V4L2_PIX_FMT_NV61M, MEDIA_BUS_FMT_AYUV8_1X32,
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VI6_FMT_Y_UV_422, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS |
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VI6_RPF_DSWAP_P_WDS | VI6_RPF_DSWAP_P_BTS,
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2, { 8, 16, 0 }, false, true, 2, 1, false },
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{ V4L2_PIX_FMT_YUV420M, MEDIA_BUS_FMT_AYUV8_1X32,
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VI6_FMT_Y_U_V_420, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS |
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VI6_RPF_DSWAP_P_WDS | VI6_RPF_DSWAP_P_BTS,
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3, { 8, 8, 8 }, false, false, 2, 2, false },
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{ V4L2_PIX_FMT_YVU420M, MEDIA_BUS_FMT_AYUV8_1X32,
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VI6_FMT_Y_U_V_420, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS |
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VI6_RPF_DSWAP_P_WDS | VI6_RPF_DSWAP_P_BTS,
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3, { 8, 8, 8 }, false, true, 2, 2, false },
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{ V4L2_PIX_FMT_YUV422M, MEDIA_BUS_FMT_AYUV8_1X32,
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VI6_FMT_Y_U_V_422, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS |
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VI6_RPF_DSWAP_P_WDS | VI6_RPF_DSWAP_P_BTS,
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3, { 8, 8, 8 }, false, false, 2, 1, false },
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{ V4L2_PIX_FMT_YVU422M, MEDIA_BUS_FMT_AYUV8_1X32,
|
||
|
|
VI6_FMT_Y_U_V_422, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS |
|
||
|
|
VI6_RPF_DSWAP_P_WDS | VI6_RPF_DSWAP_P_BTS,
|
||
|
|
3, { 8, 8, 8 }, false, true, 2, 1, false },
|
||
|
|
{ V4L2_PIX_FMT_YUV444M, MEDIA_BUS_FMT_AYUV8_1X32,
|
||
|
|
VI6_FMT_Y_U_V_444, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS |
|
||
|
|
VI6_RPF_DSWAP_P_WDS | VI6_RPF_DSWAP_P_BTS,
|
||
|
|
3, { 8, 8, 8 }, false, false, 1, 1, false },
|
||
|
|
{ V4L2_PIX_FMT_YVU444M, MEDIA_BUS_FMT_AYUV8_1X32,
|
||
|
|
VI6_FMT_Y_U_V_444, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS |
|
||
|
|
VI6_RPF_DSWAP_P_WDS | VI6_RPF_DSWAP_P_BTS,
|
||
|
|
3, { 8, 8, 8 }, false, true, 1, 1, false },
|
||
|
|
{ V4L2_PIX_FMT_Y210, MEDIA_BUS_FMT_AYUV8_1X32,
|
||
|
|
VI6_FMT_YUYV_422, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS,
|
||
|
|
1, { 32, 0, 0 }, false, false, 2, 1, false },
|
||
|
|
{ V4L2_PIX_FMT_Y212, MEDIA_BUS_FMT_AYUV8_1X32,
|
||
|
|
VI6_FMT_YUYV_422, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS,
|
||
|
|
1, { 32, 0, 0 }, false, false, 2, 1, false },
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* vsp1_get_format_info - Retrieve format information for a 4CC
|
||
|
|
* @vsp1: the VSP1 device
|
||
|
|
* @fourcc: the format 4CC
|
||
|
|
*
|
||
|
|
* Return a pointer to the format information structure corresponding to the
|
||
|
|
* given V4L2 format 4CC, or NULL if no corresponding format can be found.
|
||
|
|
*/
|
||
|
|
const struct vsp1_format_info *vsp1_get_format_info(struct vsp1_device *vsp1,
|
||
|
|
u32 fourcc)
|
||
|
|
{
|
||
|
|
unsigned int i;
|
||
|
|
|
||
|
|
/* Special case, the VYUY and HSV formats are supported on Gen2 only. */
|
||
|
|
if (vsp1->info->gen != 2) {
|
||
|
|
switch (fourcc) {
|
||
|
|
case V4L2_PIX_FMT_VYUY:
|
||
|
|
case V4L2_PIX_FMT_HSV24:
|
||
|
|
case V4L2_PIX_FMT_HSV32:
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
for (i = 0; i < ARRAY_SIZE(vsp1_video_formats); ++i) {
|
||
|
|
const struct vsp1_format_info *info = &vsp1_video_formats[i];
|
||
|
|
|
||
|
|
if (info->fourcc == fourcc)
|
||
|
|
return info;
|
||
|
|
}
|
||
|
|
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* -----------------------------------------------------------------------------
|
||
|
|
* Pipeline Management
|
||
|
|
*/
|
||
|
|
|
||
|
|
void vsp1_pipeline_reset(struct vsp1_pipeline *pipe)
|
||
|
|
{
|
||
|
|
struct vsp1_entity *entity;
|
||
|
|
unsigned int i;
|
||
|
|
|
||
|
|
if (pipe->brx) {
|
||
|
|
struct vsp1_brx *brx = to_brx(&pipe->brx->subdev);
|
||
|
|
|
||
|
|
for (i = 0; i < ARRAY_SIZE(brx->inputs); ++i)
|
||
|
|
brx->inputs[i].rpf = NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
for (i = 0; i < ARRAY_SIZE(pipe->inputs); ++i)
|
||
|
|
pipe->inputs[i] = NULL;
|
||
|
|
|
||
|
|
pipe->output = NULL;
|
||
|
|
|
||
|
|
list_for_each_entry(entity, &pipe->entities, list_pipe)
|
||
|
|
entity->pipe = NULL;
|
||
|
|
|
||
|
|
INIT_LIST_HEAD(&pipe->entities);
|
||
|
|
pipe->state = VSP1_PIPELINE_STOPPED;
|
||
|
|
pipe->buffers_ready = 0;
|
||
|
|
pipe->num_inputs = 0;
|
||
|
|
pipe->brx = NULL;
|
||
|
|
pipe->hgo = NULL;
|
||
|
|
pipe->hgt = NULL;
|
||
|
|
pipe->lif = NULL;
|
||
|
|
pipe->uds = NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
void vsp1_pipeline_init(struct vsp1_pipeline *pipe)
|
||
|
|
{
|
||
|
|
mutex_init(&pipe->lock);
|
||
|
|
spin_lock_init(&pipe->irqlock);
|
||
|
|
init_waitqueue_head(&pipe->wq);
|
||
|
|
kref_init(&pipe->kref);
|
||
|
|
|
||
|
|
INIT_LIST_HEAD(&pipe->entities);
|
||
|
|
pipe->state = VSP1_PIPELINE_STOPPED;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Must be called with the pipe irqlock held. */
|
||
|
|
void vsp1_pipeline_run(struct vsp1_pipeline *pipe)
|
||
|
|
{
|
||
|
|
struct vsp1_device *vsp1 = pipe->output->entity.vsp1;
|
||
|
|
|
||
|
|
if (pipe->state == VSP1_PIPELINE_STOPPED) {
|
||
|
|
vsp1_write(vsp1, VI6_CMD(pipe->output->entity.index),
|
||
|
|
VI6_CMD_STRCMD);
|
||
|
|
pipe->state = VSP1_PIPELINE_RUNNING;
|
||
|
|
}
|
||
|
|
|
||
|
|
pipe->buffers_ready = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
bool vsp1_pipeline_stopped(struct vsp1_pipeline *pipe)
|
||
|
|
{
|
||
|
|
unsigned long flags;
|
||
|
|
bool stopped;
|
||
|
|
|
||
|
|
spin_lock_irqsave(&pipe->irqlock, flags);
|
||
|
|
stopped = pipe->state == VSP1_PIPELINE_STOPPED;
|
||
|
|
spin_unlock_irqrestore(&pipe->irqlock, flags);
|
||
|
|
|
||
|
|
return stopped;
|
||
|
|
}
|
||
|
|
|
||
|
|
int vsp1_pipeline_stop(struct vsp1_pipeline *pipe)
|
||
|
|
{
|
||
|
|
struct vsp1_device *vsp1 = pipe->output->entity.vsp1;
|
||
|
|
struct vsp1_entity *entity;
|
||
|
|
unsigned long flags;
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
if (pipe->lif) {
|
||
|
|
/*
|
||
|
|
* When using display lists in continuous frame mode the only
|
||
|
|
* way to stop the pipeline is to reset the hardware.
|
||
|
|
*/
|
||
|
|
ret = vsp1_reset_wpf(vsp1, pipe->output->entity.index);
|
||
|
|
if (ret == 0) {
|
||
|
|
spin_lock_irqsave(&pipe->irqlock, flags);
|
||
|
|
pipe->state = VSP1_PIPELINE_STOPPED;
|
||
|
|
spin_unlock_irqrestore(&pipe->irqlock, flags);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
/* Otherwise just request a stop and wait. */
|
||
|
|
spin_lock_irqsave(&pipe->irqlock, flags);
|
||
|
|
if (pipe->state == VSP1_PIPELINE_RUNNING)
|
||
|
|
pipe->state = VSP1_PIPELINE_STOPPING;
|
||
|
|
spin_unlock_irqrestore(&pipe->irqlock, flags);
|
||
|
|
|
||
|
|
ret = wait_event_timeout(pipe->wq, vsp1_pipeline_stopped(pipe),
|
||
|
|
msecs_to_jiffies(500));
|
||
|
|
ret = ret == 0 ? -ETIMEDOUT : 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
list_for_each_entry(entity, &pipe->entities, list_pipe) {
|
||
|
|
if (entity->route && entity->route->reg)
|
||
|
|
vsp1_write(vsp1, entity->route->reg,
|
||
|
|
VI6_DPR_NODE_UNUSED);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (pipe->hgo)
|
||
|
|
vsp1_write(vsp1, VI6_DPR_HGO_SMPPT,
|
||
|
|
(7 << VI6_DPR_SMPPT_TGW_SHIFT) |
|
||
|
|
(VI6_DPR_NODE_UNUSED << VI6_DPR_SMPPT_PT_SHIFT));
|
||
|
|
|
||
|
|
if (pipe->hgt)
|
||
|
|
vsp1_write(vsp1, VI6_DPR_HGT_SMPPT,
|
||
|
|
(7 << VI6_DPR_SMPPT_TGW_SHIFT) |
|
||
|
|
(VI6_DPR_NODE_UNUSED << VI6_DPR_SMPPT_PT_SHIFT));
|
||
|
|
|
||
|
|
v4l2_subdev_call(&pipe->output->entity.subdev, video, s_stream, 0);
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
bool vsp1_pipeline_ready(struct vsp1_pipeline *pipe)
|
||
|
|
{
|
||
|
|
unsigned int mask;
|
||
|
|
|
||
|
|
mask = ((1 << pipe->num_inputs) - 1) << 1;
|
||
|
|
if (!pipe->lif)
|
||
|
|
mask |= 1 << 0;
|
||
|
|
|
||
|
|
return pipe->buffers_ready == mask;
|
||
|
|
}
|
||
|
|
|
||
|
|
void vsp1_pipeline_frame_end(struct vsp1_pipeline *pipe)
|
||
|
|
{
|
||
|
|
unsigned int flags;
|
||
|
|
|
||
|
|
if (pipe == NULL)
|
||
|
|
return;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* If the DL commit raced with the frame end interrupt, the commit ends
|
||
|
|
* up being postponed by one frame. The returned flags tell whether the
|
||
|
|
* active frame was finished or postponed.
|
||
|
|
*/
|
||
|
|
flags = vsp1_dlm_irq_frame_end(pipe->output->dlm);
|
||
|
|
|
||
|
|
if (pipe->hgo)
|
||
|
|
vsp1_hgo_frame_end(pipe->hgo);
|
||
|
|
|
||
|
|
if (pipe->hgt)
|
||
|
|
vsp1_hgt_frame_end(pipe->hgt);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Regardless of frame completion we still need to notify the pipe
|
||
|
|
* frame_end to account for vblank events.
|
||
|
|
*/
|
||
|
|
if (pipe->frame_end)
|
||
|
|
pipe->frame_end(pipe, flags);
|
||
|
|
|
||
|
|
pipe->sequence++;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Propagate the alpha value through the pipeline.
|
||
|
|
*
|
||
|
|
* As the UDS has restricted scaling capabilities when the alpha component needs
|
||
|
|
* to be scaled, we disable alpha scaling when the UDS input has a fixed alpha
|
||
|
|
* value. The UDS then outputs a fixed alpha value which needs to be programmed
|
||
|
|
* from the input RPF alpha.
|
||
|
|
*/
|
||
|
|
void vsp1_pipeline_propagate_alpha(struct vsp1_pipeline *pipe,
|
||
|
|
struct vsp1_dl_body *dlb, unsigned int alpha)
|
||
|
|
{
|
||
|
|
if (!pipe->uds)
|
||
|
|
return;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* The BRU and BRS background color has a fixed alpha value set to 255,
|
||
|
|
* the output alpha value is thus always equal to 255.
|
||
|
|
*/
|
||
|
|
if (pipe->uds_input->type == VSP1_ENTITY_BRU ||
|
||
|
|
pipe->uds_input->type == VSP1_ENTITY_BRS)
|
||
|
|
alpha = 255;
|
||
|
|
|
||
|
|
vsp1_uds_set_alpha(pipe->uds, dlb, alpha);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Propagate the partition calculations through the pipeline
|
||
|
|
*
|
||
|
|
* Work backwards through the pipe, allowing each entity to update the partition
|
||
|
|
* parameters based on its configuration, and the entity connected to its
|
||
|
|
* source. Each entity must produce the partition required for the previous
|
||
|
|
* entity in the pipeline.
|
||
|
|
*/
|
||
|
|
void vsp1_pipeline_propagate_partition(struct vsp1_pipeline *pipe,
|
||
|
|
struct vsp1_partition *partition,
|
||
|
|
unsigned int index,
|
||
|
|
struct vsp1_partition_window *window)
|
||
|
|
{
|
||
|
|
struct vsp1_entity *entity;
|
||
|
|
|
||
|
|
list_for_each_entry_reverse(entity, &pipe->entities, list_pipe) {
|
||
|
|
if (entity->ops->partition)
|
||
|
|
entity->ops->partition(entity, pipe, partition, index,
|
||
|
|
window);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|