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Subject: media: rockchip: rga: split src and dst buffer setup
Author: Michael Tretter <m.tret...@pengutronix.de>
Date: Fri Oct 13 13:00:25 2023 +0200
Split the register setup for the source and destination video buffers
into separate functions.
This is a cleanup to make the code more readable by separating the
offset calculation for the different buffers and prepares the driver for
using pre-calculated offsets of planes.
Signed-off-by: Michael Tretter <m.tret...@pengutronix.de>
Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl>
drivers/media/platform/rockchip/rga/rga-hw.c | 94 ++++++++++++++++++++--------
1 file changed, 68 insertions(+), 26 deletions(-)
---
diff --git a/drivers/media/platform/rockchip/rga/rga-hw.c
b/drivers/media/platform/rockchip/rga/rga-hw.c
index b391d97d4632..836ec7721b21 100644
--- a/drivers/media/platform/rockchip/rga/rga-hw.c
+++ b/drivers/media/platform/rockchip/rga/rga-hw.c
@@ -163,7 +163,7 @@ static void rga_cmd_set_trans_info(struct rga_ctx *ctx)
struct rockchip_rga *rga = ctx->rga;
u32 *dest = rga->cmdbuf_virt;
unsigned int scale_dst_w, scale_dst_h;
- unsigned int src_h, src_w, src_x, src_y, dst_h, dst_w, dst_x, dst_y;
+ unsigned int src_h, src_w, dst_h, dst_w;
union rga_src_info src_info;
union rga_dst_info dst_info;
union rga_src_x_factor x_factor;
@@ -173,18 +173,10 @@ static void rga_cmd_set_trans_info(struct rga_ctx *ctx)
union rga_dst_vir_info dst_vir_info;
union rga_dst_act_info dst_act_info;
- struct rga_addr_offset *dst_offset;
- struct rga_corners_addr_offset offsets;
- struct rga_corners_addr_offset src_offsets;
-
src_h = ctx->in.crop.height;
src_w = ctx->in.crop.width;
- src_x = ctx->in.crop.left;
- src_y = ctx->in.crop.top;
dst_h = ctx->out.crop.height;
dst_w = ctx->out.crop.width;
- dst_x = ctx->out.crop.left;
- dst_y = ctx->out.crop.top;
src_info.val = dest[(RGA_SRC_INFO - RGA_MODE_BASE_REG) >> 2];
dst_info.val = dest[(RGA_DST_INFO - RGA_MODE_BASE_REG) >> 2];
@@ -312,32 +304,85 @@ static void rga_cmd_set_trans_info(struct rga_ctx *ctx)
dst_act_info.data.act_height = dst_h - 1;
dst_act_info.data.act_width = dst_w - 1;
+ dest[(RGA_SRC_X_FACTOR - RGA_MODE_BASE_REG) >> 2] = x_factor.val;
+ dest[(RGA_SRC_Y_FACTOR - RGA_MODE_BASE_REG) >> 2] = y_factor.val;
+ dest[(RGA_SRC_VIR_INFO - RGA_MODE_BASE_REG) >> 2] = src_vir_info.val;
+ dest[(RGA_SRC_ACT_INFO - RGA_MODE_BASE_REG) >> 2] = src_act_info.val;
+
+ dest[(RGA_SRC_INFO - RGA_MODE_BASE_REG) >> 2] = src_info.val;
+
+ dest[(RGA_DST_VIR_INFO - RGA_MODE_BASE_REG) >> 2] = dst_vir_info.val;
+ dest[(RGA_DST_ACT_INFO - RGA_MODE_BASE_REG) >> 2] = dst_act_info.val;
+
+ dest[(RGA_DST_INFO - RGA_MODE_BASE_REG) >> 2] = dst_info.val;
+}
+
+static void rga_cmd_set_src_info(struct rga_ctx *ctx)
+{
+ struct rga_corners_addr_offset src_offsets;
+ struct rockchip_rga *rga = ctx->rga;
+ u32 *dest = rga->cmdbuf_virt;
+ unsigned int src_h, src_w, src_x, src_y;
+
+ src_h = ctx->in.crop.height;
+ src_w = ctx->in.crop.width;
+ src_x = ctx->in.crop.left;
+ src_y = ctx->in.crop.top;
+
/*
* Calculate the source framebuffer base address with offset pixel.
*/
src_offsets = rga_get_addr_offset(&ctx->in, src_x, src_y,
src_w, src_h);
- /*
- * Configure the dest framebuffer base address with pixel offset.
- */
- offsets = rga_get_addr_offset(&ctx->out, dst_x, dst_y, dst_w, dst_h);
- dst_offset = rga_lookup_draw_pos(&offsets, src_info.data.rot_mode,
- src_info.data.mir_mode);
-
dest[(RGA_SRC_Y_RGB_BASE_ADDR - RGA_MODE_BASE_REG) >> 2] =
src_offsets.left_top.y_off;
dest[(RGA_SRC_CB_BASE_ADDR - RGA_MODE_BASE_REG) >> 2] =
src_offsets.left_top.u_off;
dest[(RGA_SRC_CR_BASE_ADDR - RGA_MODE_BASE_REG) >> 2] =
src_offsets.left_top.v_off;
+}
- dest[(RGA_SRC_X_FACTOR - RGA_MODE_BASE_REG) >> 2] = x_factor.val;
- dest[(RGA_SRC_Y_FACTOR - RGA_MODE_BASE_REG) >> 2] = y_factor.val;
- dest[(RGA_SRC_VIR_INFO - RGA_MODE_BASE_REG) >> 2] = src_vir_info.val;
- dest[(RGA_SRC_ACT_INFO - RGA_MODE_BASE_REG) >> 2] = src_act_info.val;
+static void rga_cmd_set_dst_info(struct rga_ctx *ctx)
+{
+ struct rga_addr_offset *dst_offset;
+ struct rga_corners_addr_offset offsets;
+ struct rockchip_rga *rga = ctx->rga;
+ u32 *dest = rga->cmdbuf_virt;
+ unsigned int dst_h, dst_w, dst_x, dst_y;
+ unsigned int mir_mode = 0;
+ unsigned int rot_mode = 0;
- dest[(RGA_SRC_INFO - RGA_MODE_BASE_REG) >> 2] = src_info.val;
+ dst_h = ctx->out.crop.height;
+ dst_w = ctx->out.crop.width;
+ dst_x = ctx->out.crop.left;
+ dst_y = ctx->out.crop.top;
+
+ if (ctx->vflip)
+ mir_mode |= RGA_SRC_MIRR_MODE_X;
+ if (ctx->hflip)
+ mir_mode |= RGA_SRC_MIRR_MODE_Y;
+
+ switch (ctx->rotate) {
+ case 90:
+ rot_mode = RGA_SRC_ROT_MODE_90_DEGREE;
+ break;
+ case 180:
+ rot_mode = RGA_SRC_ROT_MODE_180_DEGREE;
+ break;
+ case 270:
+ rot_mode = RGA_SRC_ROT_MODE_270_DEGREE;
+ break;
+ default:
+ rot_mode = RGA_SRC_ROT_MODE_0_DEGREE;
+ break;
+ }
+
+ /*
+ * Configure the dest framebuffer base address with pixel offset.
+ */
+ offsets = rga_get_addr_offset(&ctx->out, dst_x, dst_y, dst_w, dst_h);
+ dst_offset = rga_lookup_draw_pos(&offsets, mir_mode, rot_mode);
dest[(RGA_DST_Y_RGB_BASE_ADDR - RGA_MODE_BASE_REG) >> 2] =
dst_offset->y_off;
@@ -345,11 +390,6 @@ static void rga_cmd_set_trans_info(struct rga_ctx *ctx)
dst_offset->u_off;
dest[(RGA_DST_CR_BASE_ADDR - RGA_MODE_BASE_REG) >> 2] =
dst_offset->v_off;
-
- dest[(RGA_DST_VIR_INFO - RGA_MODE_BASE_REG) >> 2] = dst_vir_info.val;
- dest[(RGA_DST_ACT_INFO - RGA_MODE_BASE_REG) >> 2] = dst_act_info.val;
-
- dest[(RGA_DST_INFO - RGA_MODE_BASE_REG) >> 2] = dst_info.val;
}
static void rga_cmd_set_mode(struct rga_ctx *ctx)
@@ -392,6 +432,8 @@ static void rga_cmd_set(struct rga_ctx *ctx,
rga_cmd_set_dst_addr(ctx, dst->dma_desc_pa);
rga_cmd_set_mode(ctx);
+ rga_cmd_set_src_info(ctx);
+ rga_cmd_set_dst_info(ctx);
rga_cmd_set_trans_info(ctx);
rga_write(rga, RGA_CMD_BASE, rga->cmdbuf_phy);
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