mirror of https://gitee.com/openkylin/linux.git
media: rockchip/vpu: Add support for MPEG-2 decoding on RK3288
Add necessary bits to support MPEG2 decoding on RK3288. Signed-off-by: Jonas Karlman <jonas@kwiboo.se> Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Jonas Karlman
Mauro Carvalho Chehab
parent
879dee56a4
commit
ceaac6dc5b
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@ -6,6 +6,7 @@ rockchip-vpu-y += \
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rockchip_vpu_v4l2.o \
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rk3288_vpu_hw.o \
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rk3288_vpu_hw_jpeg_enc.o \
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rk3288_vpu_hw_mpeg2_dec.o \
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rk3399_vpu_hw.o \
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rk3399_vpu_hw_jpeg_enc.o \
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rk3399_vpu_hw_mpeg2_dec.o \
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@ -55,6 +55,26 @@ static const struct rockchip_vpu_fmt rk3288_vpu_enc_fmts[] = {
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},
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};
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static const struct rockchip_vpu_fmt rk3288_vpu_dec_fmts[] = {
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{
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.fourcc = V4L2_PIX_FMT_NV12,
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.codec_mode = RK_VPU_MODE_NONE,
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},
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{
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.fourcc = V4L2_PIX_FMT_MPEG2_SLICE,
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.codec_mode = RK_VPU_MODE_MPEG2_DEC,
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.max_depth = 2,
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.frmsize = {
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.min_width = 48,
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.max_width = 1920,
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.step_width = MPEG2_MB_DIM,
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.min_height = 48,
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.max_height = 1088,
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.step_height = MPEG2_MB_DIM,
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},
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},
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};
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static irqreturn_t rk3288_vepu_irq(int irq, void *dev_id)
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{
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struct rockchip_vpu_dev *vpu = dev_id;
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@ -74,6 +94,24 @@ static irqreturn_t rk3288_vepu_irq(int irq, void *dev_id)
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return IRQ_HANDLED;
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}
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static irqreturn_t rk3288_vdpu_irq(int irq, void *dev_id)
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{
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struct rockchip_vpu_dev *vpu = dev_id;
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enum vb2_buffer_state state;
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u32 status;
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status = vdpu_read(vpu, VDPU_REG_INTERRUPT);
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state = (status & VDPU_REG_INTERRUPT_DEC_RDY_INT) ?
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VB2_BUF_STATE_DONE : VB2_BUF_STATE_ERROR;
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vdpu_write(vpu, 0, VDPU_REG_INTERRUPT);
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vdpu_write(vpu, VDPU_REG_CONFIG_DEC_CLK_GATE_E, VDPU_REG_CONFIG);
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rockchip_vpu_irq_done(vpu, 0, state);
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return IRQ_HANDLED;
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}
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static int rk3288_vpu_hw_init(struct rockchip_vpu_dev *vpu)
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{
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/* Bump ACLK to max. possible freq. to improve performance. */
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@ -90,6 +128,15 @@ static void rk3288_vpu_enc_reset(struct rockchip_vpu_ctx *ctx)
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vepu_write(vpu, 0, VEPU_REG_AXI_CTRL);
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}
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static void rk3288_vpu_dec_reset(struct rockchip_vpu_ctx *ctx)
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{
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struct rockchip_vpu_dev *vpu = ctx->dev;
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vdpu_write(vpu, VDPU_REG_INTERRUPT_DEC_IRQ_DIS, VDPU_REG_INTERRUPT);
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vdpu_write(vpu, VDPU_REG_CONFIG_DEC_CLK_GATE_E, VDPU_REG_CONFIG);
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vdpu_write(vpu, 1, VDPU_REG_SOFT_RESET);
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}
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/*
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* Supported codec ops.
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*/
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@ -101,6 +148,12 @@ static const struct rockchip_vpu_codec_ops rk3288_vpu_codec_ops[] = {
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.init = rockchip_vpu_jpeg_enc_init,
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.exit = rockchip_vpu_jpeg_enc_exit,
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},
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[RK_VPU_MODE_MPEG2_DEC] = {
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.run = rk3288_vpu_mpeg2_dec_run,
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.reset = rk3288_vpu_dec_reset,
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.init = rockchip_vpu_mpeg2_dec_init,
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.exit = rockchip_vpu_mpeg2_dec_exit,
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},
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};
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/*
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@ -111,9 +164,13 @@ const struct rockchip_vpu_variant rk3288_vpu_variant = {
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.enc_offset = 0x0,
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.enc_fmts = rk3288_vpu_enc_fmts,
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.num_enc_fmts = ARRAY_SIZE(rk3288_vpu_enc_fmts),
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.dec_offset = 0x400,
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.dec_fmts = rk3288_vpu_dec_fmts,
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.num_dec_fmts = ARRAY_SIZE(rk3288_vpu_dec_fmts),
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.codec = RK_VPU_JPEG_ENCODER | RK_VPU_MPEG2_DECODER,
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.codec_ops = rk3288_vpu_codec_ops,
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.codec = RK_VPU_JPEG_ENCODER,
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.vepu_irq = rk3288_vepu_irq,
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.vdpu_irq = rk3288_vdpu_irq,
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.init = rk3288_vpu_hw_init,
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.clk_names = {"aclk", "hclk"},
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.num_clocks = 2
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@ -0,0 +1,261 @@
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// SPDX-License-Identifier: GPL-2.0
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/*
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* Rockchip VPU codec driver
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*
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* Copyright (C) 2018 Rockchip Electronics Co., Ltd.
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*/
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#include <asm/unaligned.h>
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#include <linux/bitfield.h>
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#include <media/v4l2-mem2mem.h>
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#include "rockchip_vpu.h"
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#include "rockchip_vpu_hw.h"
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#define VDPU_SWREG(nr) ((nr) * 4)
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#define VDPU_REG_RLC_VLC_BASE VDPU_SWREG(12)
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#define VDPU_REG_DEC_OUT_BASE VDPU_SWREG(13)
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#define VDPU_REG_REFER0_BASE VDPU_SWREG(14)
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#define VDPU_REG_REFER1_BASE VDPU_SWREG(15)
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#define VDPU_REG_REFER2_BASE VDPU_SWREG(16)
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#define VDPU_REG_REFER3_BASE VDPU_SWREG(17)
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#define VDPU_REG_QTABLE_BASE VDPU_SWREG(40)
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#define VDPU_REG_DEC_E(v) ((v) ? BIT(0) : 0)
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#define VDPU_REG_DEC_AXI_RD_ID(v) (((v) << 24) & GENMASK(31, 24))
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#define VDPU_REG_DEC_TIMEOUT_E(v) ((v) ? BIT(23) : 0)
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#define VDPU_REG_DEC_STRSWAP32_E(v) ((v) ? BIT(22) : 0)
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#define VDPU_REG_DEC_STRENDIAN_E(v) ((v) ? BIT(21) : 0)
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#define VDPU_REG_DEC_INSWAP32_E(v) ((v) ? BIT(20) : 0)
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#define VDPU_REG_DEC_OUTSWAP32_E(v) ((v) ? BIT(19) : 0)
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#define VDPU_REG_DEC_DATA_DISC_E(v) ((v) ? BIT(18) : 0)
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#define VDPU_REG_DEC_LATENCY(v) (((v) << 11) & GENMASK(16, 11))
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#define VDPU_REG_DEC_CLK_GATE_E(v) ((v) ? BIT(10) : 0)
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#define VDPU_REG_DEC_IN_ENDIAN(v) ((v) ? BIT(9) : 0)
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#define VDPU_REG_DEC_OUT_ENDIAN(v) ((v) ? BIT(8) : 0)
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#define VDPU_REG_DEC_ADV_PRE_DIS(v) ((v) ? BIT(6) : 0)
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#define VDPU_REG_DEC_SCMD_DIS(v) ((v) ? BIT(5) : 0)
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#define VDPU_REG_DEC_MAX_BURST(v) (((v) << 0) & GENMASK(4, 0))
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#define VDPU_REG_DEC_MODE(v) (((v) << 28) & GENMASK(31, 28))
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#define VDPU_REG_RLC_MODE_E(v) ((v) ? BIT(27) : 0)
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#define VDPU_REG_PIC_INTERLACE_E(v) ((v) ? BIT(23) : 0)
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#define VDPU_REG_PIC_FIELDMODE_E(v) ((v) ? BIT(22) : 0)
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#define VDPU_REG_PIC_B_E(v) ((v) ? BIT(21) : 0)
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#define VDPU_REG_PIC_INTER_E(v) ((v) ? BIT(20) : 0)
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#define VDPU_REG_PIC_TOPFIELD_E(v) ((v) ? BIT(19) : 0)
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#define VDPU_REG_FWD_INTERLACE_E(v) ((v) ? BIT(18) : 0)
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#define VDPU_REG_FILTERING_DIS(v) ((v) ? BIT(14) : 0)
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#define VDPU_REG_WRITE_MVS_E(v) ((v) ? BIT(12) : 0)
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#define VDPU_REG_DEC_AXI_WR_ID(v) (((v) << 0) & GENMASK(7, 0))
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#define VDPU_REG_PIC_MB_WIDTH(v) (((v) << 23) & GENMASK(31, 23))
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#define VDPU_REG_PIC_MB_HEIGHT_P(v) (((v) << 11) & GENMASK(18, 11))
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#define VDPU_REG_ALT_SCAN_E(v) ((v) ? BIT(6) : 0)
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#define VDPU_REG_TOPFIELDFIRST_E(v) ((v) ? BIT(5) : 0)
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#define VDPU_REG_STRM_START_BIT(v) (((v) << 26) & GENMASK(31, 26))
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#define VDPU_REG_QSCALE_TYPE(v) ((v) ? BIT(24) : 0)
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#define VDPU_REG_CON_MV_E(v) ((v) ? BIT(4) : 0)
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#define VDPU_REG_INTRA_DC_PREC(v) (((v) << 2) & GENMASK(3, 2))
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#define VDPU_REG_INTRA_VLC_TAB(v) ((v) ? BIT(1) : 0)
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#define VDPU_REG_FRAME_PRED_DCT(v) ((v) ? BIT(0) : 0)
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#define VDPU_REG_INIT_QP(v) (((v) << 25) & GENMASK(30, 25))
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#define VDPU_REG_STREAM_LEN(v) (((v) << 0) & GENMASK(23, 0))
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#define VDPU_REG_ALT_SCAN_FLAG_E(v) ((v) ? BIT(19) : 0)
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#define VDPU_REG_FCODE_FWD_HOR(v) (((v) << 15) & GENMASK(18, 15))
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#define VDPU_REG_FCODE_FWD_VER(v) (((v) << 11) & GENMASK(14, 11))
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#define VDPU_REG_FCODE_BWD_HOR(v) (((v) << 7) & GENMASK(10, 7))
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#define VDPU_REG_FCODE_BWD_VER(v) (((v) << 3) & GENMASK(6, 3))
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#define VDPU_REG_MV_ACCURACY_FWD(v) ((v) ? BIT(2) : 0)
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#define VDPU_REG_MV_ACCURACY_BWD(v) ((v) ? BIT(1) : 0)
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#define VDPU_REG_STARTMB_X(v) (((v) << 23) & GENMASK(31, 23))
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#define VDPU_REG_STARTMB_Y(v) (((v) << 15) & GENMASK(22, 15))
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#define VDPU_REG_APF_THRESHOLD(v) (((v) << 0) & GENMASK(13, 0))
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#define PICT_TOP_FIELD 1
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#define PICT_BOTTOM_FIELD 2
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#define PICT_FRAME 3
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static void
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rk3288_vpu_mpeg2_dec_set_quantization(struct rockchip_vpu_dev *vpu,
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struct rockchip_vpu_ctx *ctx)
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{
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struct v4l2_ctrl_mpeg2_quantization *quantization;
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quantization = rockchip_vpu_get_ctrl(ctx,
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V4L2_CID_MPEG_VIDEO_MPEG2_QUANTIZATION);
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rockchip_vpu_mpeg2_dec_copy_qtable(ctx->mpeg2_dec.qtable.cpu,
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quantization);
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vdpu_write_relaxed(vpu, ctx->mpeg2_dec.qtable.dma,
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VDPU_REG_QTABLE_BASE);
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}
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static void
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rk3288_vpu_mpeg2_dec_set_buffers(struct rockchip_vpu_dev *vpu,
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struct rockchip_vpu_ctx *ctx,
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struct vb2_buffer *src_buf,
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struct vb2_buffer *dst_buf,
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const struct v4l2_mpeg2_sequence *sequence,
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const struct v4l2_mpeg2_picture *picture,
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const struct v4l2_ctrl_mpeg2_slice_params *slice_params)
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{
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dma_addr_t forward_addr = 0, backward_addr = 0;
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dma_addr_t current_addr, addr;
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struct vb2_queue *vq;
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vq = v4l2_m2m_get_dst_vq(ctx->fh.m2m_ctx);
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switch (picture->picture_coding_type) {
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case V4L2_MPEG2_PICTURE_CODING_TYPE_B:
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backward_addr = rockchip_vpu_get_ref(vq,
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slice_params->backward_ref_ts);
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/* fall-through */
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case V4L2_MPEG2_PICTURE_CODING_TYPE_P:
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forward_addr = rockchip_vpu_get_ref(vq,
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slice_params->forward_ref_ts);
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}
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/* Source bitstream buffer */
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addr = vb2_dma_contig_plane_dma_addr(src_buf, 0);
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vdpu_write_relaxed(vpu, addr, VDPU_REG_RLC_VLC_BASE);
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/* Destination frame buffer */
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addr = vb2_dma_contig_plane_dma_addr(dst_buf, 0);
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current_addr = addr;
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if (picture->picture_structure == PICT_BOTTOM_FIELD)
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addr += ALIGN(ctx->dst_fmt.width, 16);
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vdpu_write_relaxed(vpu, addr, VDPU_REG_DEC_OUT_BASE);
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if (!forward_addr)
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forward_addr = current_addr;
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if (!backward_addr)
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backward_addr = current_addr;
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/* Set forward ref frame (top/bottom field) */
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if (picture->picture_structure == PICT_FRAME ||
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picture->picture_coding_type == V4L2_MPEG2_PICTURE_CODING_TYPE_B ||
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(picture->picture_structure == PICT_TOP_FIELD &&
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picture->top_field_first) ||
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(picture->picture_structure == PICT_BOTTOM_FIELD &&
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!picture->top_field_first)) {
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vdpu_write_relaxed(vpu, forward_addr, VDPU_REG_REFER0_BASE);
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vdpu_write_relaxed(vpu, forward_addr, VDPU_REG_REFER1_BASE);
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} else if (picture->picture_structure == PICT_TOP_FIELD) {
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vdpu_write_relaxed(vpu, forward_addr, VDPU_REG_REFER0_BASE);
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vdpu_write_relaxed(vpu, current_addr, VDPU_REG_REFER1_BASE);
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} else if (picture->picture_structure == PICT_BOTTOM_FIELD) {
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vdpu_write_relaxed(vpu, current_addr, VDPU_REG_REFER0_BASE);
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vdpu_write_relaxed(vpu, forward_addr, VDPU_REG_REFER1_BASE);
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}
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/* Set backward ref frame (top/bottom field) */
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vdpu_write_relaxed(vpu, backward_addr, VDPU_REG_REFER2_BASE);
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vdpu_write_relaxed(vpu, backward_addr, VDPU_REG_REFER3_BASE);
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}
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void rk3288_vpu_mpeg2_dec_run(struct rockchip_vpu_ctx *ctx)
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{
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struct rockchip_vpu_dev *vpu = ctx->dev;
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struct vb2_v4l2_buffer *src_buf, *dst_buf;
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const struct v4l2_ctrl_mpeg2_slice_params *slice_params;
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const struct v4l2_mpeg2_sequence *sequence;
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const struct v4l2_mpeg2_picture *picture;
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u32 reg;
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src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
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dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
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/* Apply request controls if any */
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v4l2_ctrl_request_setup(src_buf->vb2_buf.req_obj.req,
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&ctx->ctrl_handler);
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slice_params = rockchip_vpu_get_ctrl(ctx,
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V4L2_CID_MPEG_VIDEO_MPEG2_SLICE_PARAMS);
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sequence = &slice_params->sequence;
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picture = &slice_params->picture;
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reg = VDPU_REG_DEC_AXI_RD_ID(0) |
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VDPU_REG_DEC_TIMEOUT_E(1) |
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VDPU_REG_DEC_STRSWAP32_E(1) |
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VDPU_REG_DEC_STRENDIAN_E(1) |
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VDPU_REG_DEC_INSWAP32_E(1) |
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VDPU_REG_DEC_OUTSWAP32_E(1) |
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VDPU_REG_DEC_DATA_DISC_E(0) |
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VDPU_REG_DEC_LATENCY(0) |
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VDPU_REG_DEC_CLK_GATE_E(1) |
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VDPU_REG_DEC_IN_ENDIAN(1) |
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VDPU_REG_DEC_OUT_ENDIAN(1) |
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VDPU_REG_DEC_ADV_PRE_DIS(0) |
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VDPU_REG_DEC_SCMD_DIS(0) |
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VDPU_REG_DEC_MAX_BURST(16);
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vdpu_write_relaxed(vpu, reg, VDPU_SWREG(2));
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reg = VDPU_REG_DEC_MODE(5) |
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VDPU_REG_RLC_MODE_E(0) |
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VDPU_REG_PIC_INTERLACE_E(!sequence->progressive_sequence) |
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VDPU_REG_PIC_FIELDMODE_E(picture->picture_structure != PICT_FRAME) |
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VDPU_REG_PIC_B_E(picture->picture_coding_type == V4L2_MPEG2_PICTURE_CODING_TYPE_B) |
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VDPU_REG_PIC_INTER_E(picture->picture_coding_type != V4L2_MPEG2_PICTURE_CODING_TYPE_I) |
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VDPU_REG_PIC_TOPFIELD_E(picture->picture_structure == PICT_TOP_FIELD) |
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VDPU_REG_FWD_INTERLACE_E(0) |
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VDPU_REG_FILTERING_DIS(1) |
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VDPU_REG_WRITE_MVS_E(0) |
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VDPU_REG_DEC_AXI_WR_ID(0);
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vdpu_write_relaxed(vpu, reg, VDPU_SWREG(3));
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reg = VDPU_REG_PIC_MB_WIDTH(MPEG2_MB_WIDTH(ctx->dst_fmt.width)) |
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VDPU_REG_PIC_MB_HEIGHT_P(MPEG2_MB_HEIGHT(ctx->dst_fmt.height)) |
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VDPU_REG_ALT_SCAN_E(picture->alternate_scan) |
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VDPU_REG_TOPFIELDFIRST_E(picture->top_field_first);
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vdpu_write_relaxed(vpu, reg, VDPU_SWREG(4));
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reg = VDPU_REG_STRM_START_BIT(slice_params->data_bit_offset) |
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VDPU_REG_QSCALE_TYPE(picture->q_scale_type) |
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VDPU_REG_CON_MV_E(picture->concealment_motion_vectors) |
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VDPU_REG_INTRA_DC_PREC(picture->intra_dc_precision) |
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VDPU_REG_INTRA_VLC_TAB(picture->intra_vlc_format) |
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VDPU_REG_FRAME_PRED_DCT(picture->frame_pred_frame_dct);
|
||||
vdpu_write_relaxed(vpu, reg, VDPU_SWREG(5));
|
||||
|
||||
reg = VDPU_REG_INIT_QP(1) |
|
||||
VDPU_REG_STREAM_LEN(slice_params->bit_size >> 3);
|
||||
vdpu_write_relaxed(vpu, reg, VDPU_SWREG(6));
|
||||
|
||||
reg = VDPU_REG_ALT_SCAN_FLAG_E(picture->alternate_scan) |
|
||||
VDPU_REG_FCODE_FWD_HOR(picture->f_code[0][0]) |
|
||||
VDPU_REG_FCODE_FWD_VER(picture->f_code[0][1]) |
|
||||
VDPU_REG_FCODE_BWD_HOR(picture->f_code[1][0]) |
|
||||
VDPU_REG_FCODE_BWD_VER(picture->f_code[1][1]) |
|
||||
VDPU_REG_MV_ACCURACY_FWD(1) |
|
||||
VDPU_REG_MV_ACCURACY_BWD(1);
|
||||
vdpu_write_relaxed(vpu, reg, VDPU_SWREG(18));
|
||||
|
||||
reg = VDPU_REG_STARTMB_X(0) |
|
||||
VDPU_REG_STARTMB_Y(0);
|
||||
vdpu_write_relaxed(vpu, reg, VDPU_SWREG(48));
|
||||
|
||||
reg = VDPU_REG_APF_THRESHOLD(8);
|
||||
vdpu_write_relaxed(vpu, reg, VDPU_SWREG(55));
|
||||
|
||||
rk3288_vpu_mpeg2_dec_set_quantization(vpu, ctx);
|
||||
|
||||
rk3288_vpu_mpeg2_dec_set_buffers(vpu, ctx, &src_buf->vb2_buf,
|
||||
&dst_buf->vb2_buf,
|
||||
sequence, picture, slice_params);
|
||||
|
||||
/* Controls no longer in-use, we can complete them */
|
||||
v4l2_ctrl_request_complete(src_buf->vb2_buf.req_obj.req,
|
||||
&ctx->ctrl_handler);
|
||||
|
||||
/* Kick the watchdog and start decoding */
|
||||
schedule_delayed_work(&vpu->watchdog_work, msecs_to_jiffies(2000));
|
||||
|
||||
reg = VDPU_REG_DEC_E(1);
|
||||
vdpu_write(vpu, reg, VDPU_SWREG(1));
|
||||
}
|
||||
|
|
@ -438,5 +438,6 @@
|
|||
#define VDPU_REG_REF_BUF_CTRL2_REFBU2_THR(x) (((x) & 0xfff) << 19)
|
||||
#define VDPU_REG_REF_BUF_CTRL2_REFBU2_PICID(x) (((x) & 0x1f) << 14)
|
||||
#define VDPU_REG_REF_BUF_CTRL2_APF_THRESHOLD(x) (((x) & 0x3fff) << 0)
|
||||
#define VDPU_REG_SOFT_RESET 0x194
|
||||
|
||||
#endif /* RK3288_VPU_REGS_H_ */
|
||||
|
|
|
|||
|
|
@ -92,6 +92,7 @@ void rk3399_vpu_jpeg_enc_run(struct rockchip_vpu_ctx *ctx);
|
|||
int rockchip_vpu_jpeg_enc_init(struct rockchip_vpu_ctx *ctx);
|
||||
void rockchip_vpu_jpeg_enc_exit(struct rockchip_vpu_ctx *ctx);
|
||||
|
||||
void rk3288_vpu_mpeg2_dec_run(struct rockchip_vpu_ctx *ctx);
|
||||
void rk3399_vpu_mpeg2_dec_run(struct rockchip_vpu_ctx *ctx);
|
||||
void rockchip_vpu_mpeg2_dec_copy_qtable(u8 *qtable,
|
||||
const struct v4l2_ctrl_mpeg2_quantization *ctrl);
|
||||
|
|
|
|||
Loading…
Reference in New Issue