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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/media/platform/verisilicon/hantro_postproc.c
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/media/platform/verisilicon/hantro_postproc.c')
-rw-r--r--drivers/media/platform/verisilicon/hantro_postproc.c291
1 files changed, 291 insertions, 0 deletions
diff --git a/drivers/media/platform/verisilicon/hantro_postproc.c b/drivers/media/platform/verisilicon/hantro_postproc.c
new file mode 100644
index 0000000000..64d6fb852a
--- /dev/null
+++ b/drivers/media/platform/verisilicon/hantro_postproc.c
@@ -0,0 +1,291 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Hantro G1 post-processor support
+ *
+ * Copyright (C) 2019 Collabora, Ltd.
+ */
+
+#include <linux/dma-mapping.h>
+#include <linux/types.h>
+
+#include "hantro.h"
+#include "hantro_hw.h"
+#include "hantro_g1_regs.h"
+#include "hantro_g2_regs.h"
+#include "hantro_v4l2.h"
+
+#define HANTRO_PP_REG_WRITE(vpu, reg_name, val) \
+{ \
+ hantro_reg_write(vpu, \
+ &hantro_g1_postproc_regs.reg_name, \
+ val); \
+}
+
+#define HANTRO_PP_REG_WRITE_RELAXED(vpu, reg_name, val) \
+{ \
+ hantro_reg_write_relaxed(vpu, \
+ &hantro_g1_postproc_regs.reg_name, \
+ val); \
+}
+
+#define VPU_PP_IN_YUYV 0x0
+#define VPU_PP_IN_NV12 0x1
+#define VPU_PP_IN_YUV420 0x2
+#define VPU_PP_IN_YUV240_TILED 0x5
+#define VPU_PP_OUT_RGB 0x0
+#define VPU_PP_OUT_YUYV 0x3
+
+static const struct hantro_postproc_regs hantro_g1_postproc_regs = {
+ .pipeline_en = {G1_REG_PP_INTERRUPT, 1, 0x1},
+ .max_burst = {G1_REG_PP_DEV_CONFIG, 0, 0x1f},
+ .clk_gate = {G1_REG_PP_DEV_CONFIG, 1, 0x1},
+ .out_swap32 = {G1_REG_PP_DEV_CONFIG, 5, 0x1},
+ .out_endian = {G1_REG_PP_DEV_CONFIG, 6, 0x1},
+ .out_luma_base = {G1_REG_PP_OUT_LUMA_BASE, 0, 0xffffffff},
+ .input_width = {G1_REG_PP_INPUT_SIZE, 0, 0x1ff},
+ .input_height = {G1_REG_PP_INPUT_SIZE, 9, 0x1ff},
+ .output_width = {G1_REG_PP_CONTROL, 4, 0x7ff},
+ .output_height = {G1_REG_PP_CONTROL, 15, 0x7ff},
+ .input_fmt = {G1_REG_PP_CONTROL, 29, 0x7},
+ .output_fmt = {G1_REG_PP_CONTROL, 26, 0x7},
+ .orig_width = {G1_REG_PP_MASK1_ORIG_WIDTH, 23, 0x1ff},
+ .display_width = {G1_REG_PP_DISPLAY_WIDTH, 0, 0xfff},
+};
+
+bool hantro_needs_postproc(const struct hantro_ctx *ctx,
+ const struct hantro_fmt *fmt)
+{
+ if (ctx->is_encoder)
+ return false;
+
+ if (ctx->need_postproc)
+ return true;
+
+ return fmt->postprocessed;
+}
+
+static void hantro_postproc_g1_enable(struct hantro_ctx *ctx)
+{
+ struct hantro_dev *vpu = ctx->dev;
+ struct vb2_v4l2_buffer *dst_buf;
+ u32 src_pp_fmt, dst_pp_fmt;
+ dma_addr_t dst_dma;
+
+ /* Turn on pipeline mode. Must be done first. */
+ HANTRO_PP_REG_WRITE(vpu, pipeline_en, 0x1);
+
+ src_pp_fmt = VPU_PP_IN_NV12;
+
+ switch (ctx->vpu_dst_fmt->fourcc) {
+ case V4L2_PIX_FMT_YUYV:
+ dst_pp_fmt = VPU_PP_OUT_YUYV;
+ break;
+ default:
+ WARN(1, "output format %d not supported by the post-processor, this wasn't expected.",
+ ctx->vpu_dst_fmt->fourcc);
+ dst_pp_fmt = 0;
+ break;
+ }
+
+ dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
+ dst_dma = vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf, 0);
+
+ HANTRO_PP_REG_WRITE(vpu, clk_gate, 0x1);
+ HANTRO_PP_REG_WRITE(vpu, out_endian, 0x1);
+ HANTRO_PP_REG_WRITE(vpu, out_swap32, 0x1);
+ HANTRO_PP_REG_WRITE(vpu, max_burst, 16);
+ HANTRO_PP_REG_WRITE(vpu, out_luma_base, dst_dma);
+ HANTRO_PP_REG_WRITE(vpu, input_width, MB_WIDTH(ctx->dst_fmt.width));
+ HANTRO_PP_REG_WRITE(vpu, input_height, MB_HEIGHT(ctx->dst_fmt.height));
+ HANTRO_PP_REG_WRITE(vpu, input_fmt, src_pp_fmt);
+ HANTRO_PP_REG_WRITE(vpu, output_fmt, dst_pp_fmt);
+ HANTRO_PP_REG_WRITE(vpu, output_width, ctx->dst_fmt.width);
+ HANTRO_PP_REG_WRITE(vpu, output_height, ctx->dst_fmt.height);
+ HANTRO_PP_REG_WRITE(vpu, orig_width, MB_WIDTH(ctx->dst_fmt.width));
+ HANTRO_PP_REG_WRITE(vpu, display_width, ctx->dst_fmt.width);
+}
+
+static int down_scale_factor(struct hantro_ctx *ctx)
+{
+ if (ctx->src_fmt.width <= ctx->dst_fmt.width)
+ return 0;
+
+ return DIV_ROUND_CLOSEST(ctx->src_fmt.width, ctx->dst_fmt.width);
+}
+
+static void hantro_postproc_g2_enable(struct hantro_ctx *ctx)
+{
+ struct hantro_dev *vpu = ctx->dev;
+ struct vb2_v4l2_buffer *dst_buf;
+ int down_scale = down_scale_factor(ctx);
+ int out_depth;
+ size_t chroma_offset;
+ dma_addr_t dst_dma;
+
+ dst_buf = hantro_get_dst_buf(ctx);
+ dst_dma = vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf, 0);
+ chroma_offset = ctx->dst_fmt.plane_fmt[0].bytesperline *
+ ctx->dst_fmt.height;
+
+ if (down_scale) {
+ hantro_reg_write(vpu, &g2_down_scale_e, 1);
+ hantro_reg_write(vpu, &g2_down_scale_y, down_scale >> 2);
+ hantro_reg_write(vpu, &g2_down_scale_x, down_scale >> 2);
+ hantro_write_addr(vpu, G2_DS_DST, dst_dma);
+ hantro_write_addr(vpu, G2_DS_DST_CHR, dst_dma + (chroma_offset >> down_scale));
+ } else {
+ hantro_write_addr(vpu, G2_RS_OUT_LUMA_ADDR, dst_dma);
+ hantro_write_addr(vpu, G2_RS_OUT_CHROMA_ADDR, dst_dma + chroma_offset);
+ }
+
+ out_depth = hantro_get_format_depth(ctx->dst_fmt.pixelformat);
+ if (ctx->dev->variant->legacy_regs) {
+ u8 pp_shift = 0;
+
+ if (out_depth > 8)
+ pp_shift = 16 - out_depth;
+
+ hantro_reg_write(ctx->dev, &g2_rs_out_bit_depth, out_depth);
+ hantro_reg_write(ctx->dev, &g2_pp_pix_shift, pp_shift);
+ } else {
+ hantro_reg_write(vpu, &g2_output_8_bits, out_depth > 8 ? 0 : 1);
+ hantro_reg_write(vpu, &g2_output_format, out_depth > 8 ? 1 : 0);
+ }
+ hantro_reg_write(vpu, &g2_out_rs_e, 1);
+}
+
+static int hantro_postproc_g2_enum_framesizes(struct hantro_ctx *ctx,
+ struct v4l2_frmsizeenum *fsize)
+{
+ /**
+ * G2 scaler can scale down by 0, 2, 4 or 8
+ * use fsize->index has power of 2 diviser
+ **/
+ if (fsize->index > 3)
+ return -EINVAL;
+
+ if (!ctx->src_fmt.width || !ctx->src_fmt.height)
+ return -EINVAL;
+
+ fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE;
+ fsize->discrete.width = ctx->src_fmt.width >> fsize->index;
+ fsize->discrete.height = ctx->src_fmt.height >> fsize->index;
+
+ return 0;
+}
+
+void hantro_postproc_free(struct hantro_ctx *ctx)
+{
+ struct hantro_dev *vpu = ctx->dev;
+ unsigned int i;
+
+ for (i = 0; i < VB2_MAX_FRAME; ++i) {
+ struct hantro_aux_buf *priv = &ctx->postproc.dec_q[i];
+
+ if (priv->cpu) {
+ dma_free_attrs(vpu->dev, priv->size, priv->cpu,
+ priv->dma, priv->attrs);
+ priv->cpu = NULL;
+ }
+ }
+}
+
+int hantro_postproc_alloc(struct hantro_ctx *ctx)
+{
+ struct hantro_dev *vpu = ctx->dev;
+ struct v4l2_m2m_ctx *m2m_ctx = ctx->fh.m2m_ctx;
+ struct vb2_queue *cap_queue = &m2m_ctx->cap_q_ctx.q;
+ unsigned int num_buffers = cap_queue->num_buffers;
+ struct v4l2_pix_format_mplane pix_mp;
+ const struct hantro_fmt *fmt;
+ unsigned int i, buf_size;
+
+ /* this should always pick native format */
+ fmt = hantro_get_default_fmt(ctx, false, ctx->bit_depth, HANTRO_AUTO_POSTPROC);
+ if (!fmt)
+ return -EINVAL;
+ v4l2_fill_pixfmt_mp(&pix_mp, fmt->fourcc, ctx->src_fmt.width,
+ ctx->src_fmt.height);
+
+ buf_size = pix_mp.plane_fmt[0].sizeimage;
+ if (ctx->vpu_src_fmt->fourcc == V4L2_PIX_FMT_H264_SLICE)
+ buf_size += hantro_h264_mv_size(pix_mp.width,
+ pix_mp.height);
+ else if (ctx->vpu_src_fmt->fourcc == V4L2_PIX_FMT_VP9_FRAME)
+ buf_size += hantro_vp9_mv_size(pix_mp.width,
+ pix_mp.height);
+ else if (ctx->vpu_src_fmt->fourcc == V4L2_PIX_FMT_HEVC_SLICE)
+ buf_size += hantro_hevc_mv_size(pix_mp.width,
+ pix_mp.height);
+ else if (ctx->vpu_src_fmt->fourcc == V4L2_PIX_FMT_AV1_FRAME)
+ buf_size += hantro_av1_mv_size(pix_mp.width,
+ pix_mp.height);
+
+ for (i = 0; i < num_buffers; ++i) {
+ struct hantro_aux_buf *priv = &ctx->postproc.dec_q[i];
+
+ /*
+ * The buffers on this queue are meant as intermediate
+ * buffers for the decoder, so no mapping is needed.
+ */
+ priv->attrs = DMA_ATTR_NO_KERNEL_MAPPING;
+ priv->cpu = dma_alloc_attrs(vpu->dev, buf_size, &priv->dma,
+ GFP_KERNEL, priv->attrs);
+ if (!priv->cpu)
+ return -ENOMEM;
+ priv->size = buf_size;
+ }
+ return 0;
+}
+
+static void hantro_postproc_g1_disable(struct hantro_ctx *ctx)
+{
+ struct hantro_dev *vpu = ctx->dev;
+
+ HANTRO_PP_REG_WRITE(vpu, pipeline_en, 0x0);
+}
+
+static void hantro_postproc_g2_disable(struct hantro_ctx *ctx)
+{
+ struct hantro_dev *vpu = ctx->dev;
+
+ hantro_reg_write(vpu, &g2_out_rs_e, 0);
+}
+
+void hantro_postproc_disable(struct hantro_ctx *ctx)
+{
+ struct hantro_dev *vpu = ctx->dev;
+
+ if (vpu->variant->postproc_ops && vpu->variant->postproc_ops->disable)
+ vpu->variant->postproc_ops->disable(ctx);
+}
+
+void hantro_postproc_enable(struct hantro_ctx *ctx)
+{
+ struct hantro_dev *vpu = ctx->dev;
+
+ if (vpu->variant->postproc_ops && vpu->variant->postproc_ops->enable)
+ vpu->variant->postproc_ops->enable(ctx);
+}
+
+int hanto_postproc_enum_framesizes(struct hantro_ctx *ctx,
+ struct v4l2_frmsizeenum *fsize)
+{
+ struct hantro_dev *vpu = ctx->dev;
+
+ if (vpu->variant->postproc_ops && vpu->variant->postproc_ops->enum_framesizes)
+ return vpu->variant->postproc_ops->enum_framesizes(ctx, fsize);
+
+ return -EINVAL;
+}
+
+const struct hantro_postproc_ops hantro_g1_postproc_ops = {
+ .enable = hantro_postproc_g1_enable,
+ .disable = hantro_postproc_g1_disable,
+};
+
+const struct hantro_postproc_ops hantro_g2_postproc_ops = {
+ .enable = hantro_postproc_g2_enable,
+ .disable = hantro_postproc_g2_disable,
+ .enum_framesizes = hantro_postproc_g2_enum_framesizes,
+};