diff options
author | Jonas Karlman <jonas@kwiboo.se> | 2019-05-28 13:02:31 -0400 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2019-05-29 11:14:43 -0400 |
commit | ceaac6dc5b7ae80830b8694c81d7f3a2406617ed (patch) | |
tree | 82396e16d0d7145fc6b5d6ae819ba9250edbd9a3 /drivers/staging | |
parent | 879dee56a40c72b917d8eae170cb1f30f7030aa8 (diff) |
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>
Diffstat (limited to 'drivers/staging')
5 files changed, 322 insertions, 1 deletions
diff --git a/drivers/staging/media/rockchip/vpu/Makefile b/drivers/staging/media/rockchip/vpu/Makefile index c742754a89a5..be278157d196 100644 --- a/drivers/staging/media/rockchip/vpu/Makefile +++ b/drivers/staging/media/rockchip/vpu/Makefile @@ -6,6 +6,7 @@ rockchip-vpu-y += \ rockchip_vpu_v4l2.o \ rk3288_vpu_hw.o \ rk3288_vpu_hw_jpeg_enc.o \ + rk3288_vpu_hw_mpeg2_dec.o \ rk3399_vpu_hw.o \ rk3399_vpu_hw_jpeg_enc.o \ rk3399_vpu_hw_mpeg2_dec.o \ diff --git a/drivers/staging/media/rockchip/vpu/rk3288_vpu_hw.c b/drivers/staging/media/rockchip/vpu/rk3288_vpu_hw.c index da19f1cad957..003143c77d37 100644 --- a/drivers/staging/media/rockchip/vpu/rk3288_vpu_hw.c +++ b/drivers/staging/media/rockchip/vpu/rk3288_vpu_hw.c @@ -55,6 +55,26 @@ static const struct rockchip_vpu_fmt rk3288_vpu_enc_fmts[] = { }, }; +static const struct rockchip_vpu_fmt rk3288_vpu_dec_fmts[] = { + { + .fourcc = V4L2_PIX_FMT_NV12, + .codec_mode = RK_VPU_MODE_NONE, + }, + { + .fourcc = V4L2_PIX_FMT_MPEG2_SLICE, + .codec_mode = RK_VPU_MODE_MPEG2_DEC, + .max_depth = 2, + .frmsize = { + .min_width = 48, + .max_width = 1920, + .step_width = MPEG2_MB_DIM, + .min_height = 48, + .max_height = 1088, + .step_height = MPEG2_MB_DIM, + }, + }, +}; + static irqreturn_t rk3288_vepu_irq(int irq, void *dev_id) { struct rockchip_vpu_dev *vpu = dev_id; @@ -74,6 +94,24 @@ static irqreturn_t rk3288_vepu_irq(int irq, void *dev_id) return IRQ_HANDLED; } +static irqreturn_t rk3288_vdpu_irq(int irq, void *dev_id) +{ + struct rockchip_vpu_dev *vpu = dev_id; + enum vb2_buffer_state state; + u32 status; + + status = vdpu_read(vpu, VDPU_REG_INTERRUPT); + state = (status & VDPU_REG_INTERRUPT_DEC_RDY_INT) ? + VB2_BUF_STATE_DONE : VB2_BUF_STATE_ERROR; + + vdpu_write(vpu, 0, VDPU_REG_INTERRUPT); + vdpu_write(vpu, VDPU_REG_CONFIG_DEC_CLK_GATE_E, VDPU_REG_CONFIG); + + rockchip_vpu_irq_done(vpu, 0, state); + + return IRQ_HANDLED; +} + static int rk3288_vpu_hw_init(struct rockchip_vpu_dev *vpu) { /* Bump ACLK to max. possible freq. to improve performance. */ @@ -90,6 +128,15 @@ static void rk3288_vpu_enc_reset(struct rockchip_vpu_ctx *ctx) vepu_write(vpu, 0, VEPU_REG_AXI_CTRL); } +static void rk3288_vpu_dec_reset(struct rockchip_vpu_ctx *ctx) +{ + struct rockchip_vpu_dev *vpu = ctx->dev; + + vdpu_write(vpu, VDPU_REG_INTERRUPT_DEC_IRQ_DIS, VDPU_REG_INTERRUPT); + vdpu_write(vpu, VDPU_REG_CONFIG_DEC_CLK_GATE_E, VDPU_REG_CONFIG); + vdpu_write(vpu, 1, VDPU_REG_SOFT_RESET); +} + /* * Supported codec ops. */ @@ -101,6 +148,12 @@ static const struct rockchip_vpu_codec_ops rk3288_vpu_codec_ops[] = { .init = rockchip_vpu_jpeg_enc_init, .exit = rockchip_vpu_jpeg_enc_exit, }, + [RK_VPU_MODE_MPEG2_DEC] = { + .run = rk3288_vpu_mpeg2_dec_run, + .reset = rk3288_vpu_dec_reset, + .init = rockchip_vpu_mpeg2_dec_init, + .exit = rockchip_vpu_mpeg2_dec_exit, + }, }; /* @@ -111,9 +164,13 @@ const struct rockchip_vpu_variant rk3288_vpu_variant = { .enc_offset = 0x0, .enc_fmts = rk3288_vpu_enc_fmts, .num_enc_fmts = ARRAY_SIZE(rk3288_vpu_enc_fmts), + .dec_offset = 0x400, + .dec_fmts = rk3288_vpu_dec_fmts, + .num_dec_fmts = ARRAY_SIZE(rk3288_vpu_dec_fmts), + .codec = RK_VPU_JPEG_ENCODER | RK_VPU_MPEG2_DECODER, .codec_ops = rk3288_vpu_codec_ops, - .codec = RK_VPU_JPEG_ENCODER, .vepu_irq = rk3288_vepu_irq, + .vdpu_irq = rk3288_vdpu_irq, .init = rk3288_vpu_hw_init, .clk_names = {"aclk", "hclk"}, .num_clocks = 2 diff --git a/drivers/staging/media/rockchip/vpu/rk3288_vpu_hw_mpeg2_dec.c b/drivers/staging/media/rockchip/vpu/rk3288_vpu_hw_mpeg2_dec.c new file mode 100644 index 000000000000..e9eee47fcea1 --- /dev/null +++ b/drivers/staging/media/rockchip/vpu/rk3288_vpu_hw_mpeg2_dec.c @@ -0,0 +1,261 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Rockchip VPU codec driver + * + * Copyright (C) 2018 Rockchip Electronics Co., Ltd. + */ + +#include <asm/unaligned.h> +#include <linux/bitfield.h> +#include <media/v4l2-mem2mem.h> +#include "rockchip_vpu.h" +#include "rockchip_vpu_hw.h" + +#define VDPU_SWREG(nr) ((nr) * 4) + +#define VDPU_REG_RLC_VLC_BASE VDPU_SWREG(12) +#define VDPU_REG_DEC_OUT_BASE VDPU_SWREG(13) +#define VDPU_REG_REFER0_BASE VDPU_SWREG(14) +#define VDPU_REG_REFER1_BASE VDPU_SWREG(15) +#define VDPU_REG_REFER2_BASE VDPU_SWREG(16) +#define VDPU_REG_REFER3_BASE VDPU_SWREG(17) +#define VDPU_REG_QTABLE_BASE VDPU_SWREG(40) +#define VDPU_REG_DEC_E(v) ((v) ? BIT(0) : 0) + +#define VDPU_REG_DEC_AXI_RD_ID(v) (((v) << 24) & GENMASK(31, 24)) +#define VDPU_REG_DEC_TIMEOUT_E(v) ((v) ? BIT(23) : 0) +#define VDPU_REG_DEC_STRSWAP32_E(v) ((v) ? BIT(22) : 0) +#define VDPU_REG_DEC_STRENDIAN_E(v) ((v) ? BIT(21) : 0) +#define VDPU_REG_DEC_INSWAP32_E(v) ((v) ? BIT(20) : 0) +#define VDPU_REG_DEC_OUTSWAP32_E(v) ((v) ? BIT(19) : 0) +#define VDPU_REG_DEC_DATA_DISC_E(v) ((v) ? BIT(18) : 0) +#define VDPU_REG_DEC_LATENCY(v) (((v) << 11) & GENMASK(16, 11)) +#define VDPU_REG_DEC_CLK_GATE_E(v) ((v) ? BIT(10) : 0) +#define VDPU_REG_DEC_IN_ENDIAN(v) ((v) ? BIT(9) : 0) +#define VDPU_REG_DEC_OUT_ENDIAN(v) ((v) ? BIT(8) : 0) +#define VDPU_REG_DEC_ADV_PRE_DIS(v) ((v) ? BIT(6) : 0) +#define VDPU_REG_DEC_SCMD_DIS(v) ((v) ? BIT(5) : 0) +#define VDPU_REG_DEC_MAX_BURST(v) (((v) << 0) & GENMASK(4, 0)) + +#define VDPU_REG_DEC_MODE(v) (((v) << 28) & GENMASK(31, 28)) +#define VDPU_REG_RLC_MODE_E(v) ((v) ? BIT(27) : 0) +#define VDPU_REG_PIC_INTERLACE_E(v) ((v) ? BIT(23) : 0) +#define VDPU_REG_PIC_FIELDMODE_E(v) ((v) ? BIT(22) : 0) +#define VDPU_REG_PIC_B_E(v) ((v) ? BIT(21) : 0) +#define VDPU_REG_PIC_INTER_E(v) ((v) ? BIT(20) : 0) +#define VDPU_REG_PIC_TOPFIELD_E(v) ((v) ? BIT(19) : 0) +#define VDPU_REG_FWD_INTERLACE_E(v) ((v) ? BIT(18) : 0) +#define VDPU_REG_FILTERING_DIS(v) ((v) ? BIT(14) : 0) +#define VDPU_REG_WRITE_MVS_E(v) ((v) ? BIT(12) : 0) +#define VDPU_REG_DEC_AXI_WR_ID(v) (((v) << 0) & GENMASK(7, 0)) + +#define VDPU_REG_PIC_MB_WIDTH(v) (((v) << 23) & GENMASK(31, 23)) +#define VDPU_REG_PIC_MB_HEIGHT_P(v) (((v) << 11) & GENMASK(18, 11)) +#define VDPU_REG_ALT_SCAN_E(v) ((v) ? BIT(6) : 0) +#define VDPU_REG_TOPFIELDFIRST_E(v) ((v) ? BIT(5) : 0) + +#define VDPU_REG_STRM_START_BIT(v) (((v) << 26) & GENMASK(31, 26)) +#define VDPU_REG_QSCALE_TYPE(v) ((v) ? BIT(24) : 0) +#define VDPU_REG_CON_MV_E(v) ((v) ? BIT(4) : 0) +#define VDPU_REG_INTRA_DC_PREC(v) (((v) << 2) & GENMASK(3, 2)) +#define VDPU_REG_INTRA_VLC_TAB(v) ((v) ? BIT(1) : 0) +#define VDPU_REG_FRAME_PRED_DCT(v) ((v) ? BIT(0) : 0) + +#define VDPU_REG_INIT_QP(v) (((v) << 25) & GENMASK(30, 25)) +#define VDPU_REG_STREAM_LEN(v) (((v) << 0) & GENMASK(23, 0)) + +#define VDPU_REG_ALT_SCAN_FLAG_E(v) ((v) ? BIT(19) : 0) +#define VDPU_REG_FCODE_FWD_HOR(v) (((v) << 15) & GENMASK(18, 15)) +#define VDPU_REG_FCODE_FWD_VER(v) (((v) << 11) & GENMASK(14, 11)) +#define VDPU_REG_FCODE_BWD_HOR(v) (((v) << 7) & GENMASK(10, 7)) +#define VDPU_REG_FCODE_BWD_VER(v) (((v) << 3) & GENMASK(6, 3)) +#define VDPU_REG_MV_ACCURACY_FWD(v) ((v) ? BIT(2) : 0) +#define VDPU_REG_MV_ACCURACY_BWD(v) ((v) ? BIT(1) : 0) + +#define VDPU_REG_STARTMB_X(v) (((v) << 23) & GENMASK(31, 23)) +#define VDPU_REG_STARTMB_Y(v) (((v) << 15) & GENMASK(22, 15)) + +#define VDPU_REG_APF_THRESHOLD(v) (((v) << 0) & GENMASK(13, 0)) + +#define PICT_TOP_FIELD 1 +#define PICT_BOTTOM_FIELD 2 +#define PICT_FRAME 3 + +static void +rk3288_vpu_mpeg2_dec_set_quantization(struct rockchip_vpu_dev *vpu, + struct rockchip_vpu_ctx *ctx) +{ + struct v4l2_ctrl_mpeg2_quantization *quantization; + + quantization = rockchip_vpu_get_ctrl(ctx, + V4L2_CID_MPEG_VIDEO_MPEG2_QUANTIZATION); + rockchip_vpu_mpeg2_dec_copy_qtable(ctx->mpeg2_dec.qtable.cpu, + quantization); + vdpu_write_relaxed(vpu, ctx->mpeg2_dec.qtable.dma, + VDPU_REG_QTABLE_BASE); +} + +static void +rk3288_vpu_mpeg2_dec_set_buffers(struct rockchip_vpu_dev *vpu, + struct rockchip_vpu_ctx *ctx, + struct vb2_buffer *src_buf, + struct vb2_buffer *dst_buf, + const struct v4l2_mpeg2_sequence *sequence, + const struct v4l2_mpeg2_picture *picture, + const struct v4l2_ctrl_mpeg2_slice_params *slice_params) +{ + dma_addr_t forward_addr = 0, backward_addr = 0; + dma_addr_t current_addr, addr; + struct vb2_queue *vq; + + vq = v4l2_m2m_get_dst_vq(ctx->fh.m2m_ctx); + + switch (picture->picture_coding_type) { + case V4L2_MPEG2_PICTURE_CODING_TYPE_B: + backward_addr = rockchip_vpu_get_ref(vq, + slice_params->backward_ref_ts); + /* fall-through */ + case V4L2_MPEG2_PICTURE_CODING_TYPE_P: + forward_addr = rockchip_vpu_get_ref(vq, + slice_params->forward_ref_ts); + } + + /* Source bitstream buffer */ + addr = vb2_dma_contig_plane_dma_addr(src_buf, 0); + vdpu_write_relaxed(vpu, addr, VDPU_REG_RLC_VLC_BASE); + + /* Destination frame buffer */ + addr = vb2_dma_contig_plane_dma_addr(dst_buf, 0); + current_addr = addr; + + if (picture->picture_structure == PICT_BOTTOM_FIELD) + addr += ALIGN(ctx->dst_fmt.width, 16); + vdpu_write_relaxed(vpu, addr, VDPU_REG_DEC_OUT_BASE); + + if (!forward_addr) + forward_addr = current_addr; + if (!backward_addr) + backward_addr = current_addr; + + /* Set forward ref frame (top/bottom field) */ + if (picture->picture_structure == PICT_FRAME || + picture->picture_coding_type == V4L2_MPEG2_PICTURE_CODING_TYPE_B || + (picture->picture_structure == PICT_TOP_FIELD && + picture->top_field_first) || + (picture->picture_structure == PICT_BOTTOM_FIELD && + !picture->top_field_first)) { + vdpu_write_relaxed(vpu, forward_addr, VDPU_REG_REFER0_BASE); + vdpu_write_relaxed(vpu, forward_addr, VDPU_REG_REFER1_BASE); + } else if (picture->picture_structure == PICT_TOP_FIELD) { + vdpu_write_relaxed(vpu, forward_addr, VDPU_REG_REFER0_BASE); + vdpu_write_relaxed(vpu, current_addr, VDPU_REG_REFER1_BASE); + } else if (picture->picture_structure == PICT_BOTTOM_FIELD) { + vdpu_write_relaxed(vpu, current_addr, VDPU_REG_REFER0_BASE); + vdpu_write_relaxed(vpu, forward_addr, VDPU_REG_REFER1_BASE); + } + + /* Set backward ref frame (top/bottom field) */ + vdpu_write_relaxed(vpu, backward_addr, VDPU_REG_REFER2_BASE); + vdpu_write_relaxed(vpu, backward_addr, VDPU_REG_REFER3_BASE); +} + +void rk3288_vpu_mpeg2_dec_run(struct rockchip_vpu_ctx *ctx) +{ + struct rockchip_vpu_dev *vpu = ctx->dev; + struct vb2_v4l2_buffer *src_buf, *dst_buf; + const struct v4l2_ctrl_mpeg2_slice_params *slice_params; + const struct v4l2_mpeg2_sequence *sequence; + const struct v4l2_mpeg2_picture *picture; + u32 reg; + + src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); + dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); + + /* Apply request controls if any */ + v4l2_ctrl_request_setup(src_buf->vb2_buf.req_obj.req, + &ctx->ctrl_handler); + + slice_params = rockchip_vpu_get_ctrl(ctx, + V4L2_CID_MPEG_VIDEO_MPEG2_SLICE_PARAMS); + sequence = &slice_params->sequence; + picture = &slice_params->picture; + + reg = VDPU_REG_DEC_AXI_RD_ID(0) | + VDPU_REG_DEC_TIMEOUT_E(1) | + VDPU_REG_DEC_STRSWAP32_E(1) | + VDPU_REG_DEC_STRENDIAN_E(1) | + VDPU_REG_DEC_INSWAP32_E(1) | + VDPU_REG_DEC_OUTSWAP32_E(1) | + VDPU_REG_DEC_DATA_DISC_E(0) | + VDPU_REG_DEC_LATENCY(0) | + VDPU_REG_DEC_CLK_GATE_E(1) | + VDPU_REG_DEC_IN_ENDIAN(1) | + VDPU_REG_DEC_OUT_ENDIAN(1) | + VDPU_REG_DEC_ADV_PRE_DIS(0) | + VDPU_REG_DEC_SCMD_DIS(0) | + VDPU_REG_DEC_MAX_BURST(16); + vdpu_write_relaxed(vpu, reg, VDPU_SWREG(2)); + + reg = VDPU_REG_DEC_MODE(5) | + VDPU_REG_RLC_MODE_E(0) | + VDPU_REG_PIC_INTERLACE_E(!sequence->progressive_sequence) | + VDPU_REG_PIC_FIELDMODE_E(picture->picture_structure != PICT_FRAME) | + VDPU_REG_PIC_B_E(picture->picture_coding_type == V4L2_MPEG2_PICTURE_CODING_TYPE_B) | + VDPU_REG_PIC_INTER_E(picture->picture_coding_type != V4L2_MPEG2_PICTURE_CODING_TYPE_I) | + VDPU_REG_PIC_TOPFIELD_E(picture->picture_structure == PICT_TOP_FIELD) | + VDPU_REG_FWD_INTERLACE_E(0) | + VDPU_REG_FILTERING_DIS(1) | + VDPU_REG_WRITE_MVS_E(0) | + VDPU_REG_DEC_AXI_WR_ID(0); + vdpu_write_relaxed(vpu, reg, VDPU_SWREG(3)); + + reg = VDPU_REG_PIC_MB_WIDTH(MPEG2_MB_WIDTH(ctx->dst_fmt.width)) | + VDPU_REG_PIC_MB_HEIGHT_P(MPEG2_MB_HEIGHT(ctx->dst_fmt.height)) | + VDPU_REG_ALT_SCAN_E(picture->alternate_scan) | + VDPU_REG_TOPFIELDFIRST_E(picture->top_field_first); + vdpu_write_relaxed(vpu, reg, VDPU_SWREG(4)); + + reg = VDPU_REG_STRM_START_BIT(slice_params->data_bit_offset) | + VDPU_REG_QSCALE_TYPE(picture->q_scale_type) | + VDPU_REG_CON_MV_E(picture->concealment_motion_vectors) | + VDPU_REG_INTRA_DC_PREC(picture->intra_dc_precision) | + VDPU_REG_INTRA_VLC_TAB(picture->intra_vlc_format) | + 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)); +} diff --git a/drivers/staging/media/rockchip/vpu/rk3288_vpu_regs.h b/drivers/staging/media/rockchip/vpu/rk3288_vpu_regs.h index 9d0b9bdf3297..c9631b713804 100644 --- a/drivers/staging/media/rockchip/vpu/rk3288_vpu_regs.h +++ b/drivers/staging/media/rockchip/vpu/rk3288_vpu_regs.h @@ -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_ */ diff --git a/drivers/staging/media/rockchip/vpu/rockchip_vpu_hw.h b/drivers/staging/media/rockchip/vpu/rockchip_vpu_hw.h index 4268c3a8b924..6cecb528f994 100644 --- a/drivers/staging/media/rockchip/vpu/rockchip_vpu_hw.h +++ b/drivers/staging/media/rockchip/vpu/rockchip_vpu_hw.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); |