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-rw-r--r--drivers/video/omap2/dss/dispc.c60
-rw-r--r--drivers/video/omap2/dss/dss_features.c16
-rw-r--r--drivers/video/omap2/dss/dss_features.h3
-rw-r--r--drivers/video/omap2/dss/overlay.c6
4 files changed, 84 insertions, 1 deletions
diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c
index 3d0576d1983c..9626b2c0c9e1 100644
--- a/drivers/video/omap2/dss/dispc.c
+++ b/drivers/video/omap2/dss/dispc.c
@@ -785,6 +785,18 @@ static void dispc_ovl_set_color_mode(enum omap_plane plane,
REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), m, 4, 1);
}
+static void dispc_ovl_configure_burst_type(enum omap_plane plane,
+ enum omap_dss_rotation_type rotation_type)
+{
+ if (dss_has_feature(FEAT_BURST_2D) == 0)
+ return;
+
+ if (rotation_type == OMAP_DSS_ROT_TILER)
+ REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), 1, 29, 29);
+ else
+ REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), 0, 29, 29);
+}
+
void dispc_ovl_set_channel_out(enum omap_plane plane, enum omap_channel channel)
{
int shift;
@@ -1731,6 +1743,45 @@ static void calc_dma_rotation_offset(u8 rotation, bool mirror,
}
}
+static void calc_tiler_rotation_offset(u16 screen_width, u16 width,
+ enum omap_color_mode color_mode, bool fieldmode,
+ unsigned int field_offset, unsigned *offset0, unsigned *offset1,
+ s32 *row_inc, s32 *pix_inc, int x_predecim, int y_predecim)
+{
+ u8 ps;
+
+ switch (color_mode) {
+ case OMAP_DSS_COLOR_CLUT1:
+ case OMAP_DSS_COLOR_CLUT2:
+ case OMAP_DSS_COLOR_CLUT4:
+ case OMAP_DSS_COLOR_CLUT8:
+ BUG();
+ return;
+ default:
+ ps = color_mode_to_bpp(color_mode) / 8;
+ break;
+ }
+
+ DSSDBG("scrw %d, width %d\n", screen_width, width);
+
+ /*
+ * field 0 = even field = bottom field
+ * field 1 = odd field = top field
+ */
+ *offset1 = 0;
+ if (field_offset)
+ *offset0 = *offset1 + field_offset * screen_width * ps;
+ else
+ *offset0 = *offset1;
+ *row_inc = pixinc(1 + (y_predecim * screen_width - width * x_predecim) +
+ (fieldmode ? screen_width : 0), ps);
+ if (color_mode == OMAP_DSS_COLOR_YUV2 ||
+ color_mode == OMAP_DSS_COLOR_UYVY)
+ *pix_inc = pixinc(x_predecim, 2 * ps);
+ else
+ *pix_inc = pixinc(x_predecim, ps);
+}
+
/*
* This function is used to avoid synclosts in OMAP3, because of some
* undocumented horizontal position and timing related limitations.
@@ -2122,7 +2173,12 @@ int dispc_ovl_setup(enum omap_plane plane, struct omap_overlay_info *oi,
row_inc = 0;
pix_inc = 0;
- if (oi->rotation_type == OMAP_DSS_ROT_DMA)
+ if (oi->rotation_type == OMAP_DSS_ROT_TILER)
+ calc_tiler_rotation_offset(oi->screen_width, in_width,
+ oi->color_mode, fieldmode, field_offset,
+ &offset0, &offset1, &row_inc, &pix_inc,
+ x_predecim, y_predecim);
+ else if (oi->rotation_type == OMAP_DSS_ROT_DMA)
calc_dma_rotation_offset(oi->rotation, oi->mirror,
oi->screen_width, in_width, frame_height,
oi->color_mode, fieldmode, field_offset,
@@ -2140,6 +2196,8 @@ int dispc_ovl_setup(enum omap_plane plane, struct omap_overlay_info *oi,
dispc_ovl_set_color_mode(plane, oi->color_mode);
+ dispc_ovl_configure_burst_type(plane, oi->rotation_type);
+
dispc_ovl_set_ba0(plane, oi->paddr + offset0);
dispc_ovl_set_ba1(plane, oi->paddr + offset1);
diff --git a/drivers/video/omap2/dss/dss_features.c b/drivers/video/omap2/dss/dss_features.c
index 2627441731b1..938709724f0c 100644
--- a/drivers/video/omap2/dss/dss_features.c
+++ b/drivers/video/omap2/dss/dss_features.c
@@ -52,6 +52,8 @@ struct omap_dss_features {
const char * const *clksrc_names;
const struct dss_param_range *dss_params;
+ const enum omap_dss_rotation_type supported_rotation_types;
+
const u32 buffer_size_unit;
const u32 burst_size_unit;
};
@@ -405,6 +407,7 @@ static const enum dss_feat_id omap4430_es1_0_dss_feat_list[] = {
FEAT_FIR_COEF_V,
FEAT_ALPHA_FREE_ZORDER,
FEAT_FIFO_MERGE,
+ FEAT_BURST_2D,
};
static const enum dss_feat_id omap4430_es2_0_1_2_dss_feat_list[] = {
@@ -422,6 +425,7 @@ static const enum dss_feat_id omap4430_es2_0_1_2_dss_feat_list[] = {
FEAT_FIR_COEF_V,
FEAT_ALPHA_FREE_ZORDER,
FEAT_FIFO_MERGE,
+ FEAT_BURST_2D,
};
static const enum dss_feat_id omap4_dss_feat_list[] = {
@@ -440,6 +444,7 @@ static const enum dss_feat_id omap4_dss_feat_list[] = {
FEAT_FIR_COEF_V,
FEAT_ALPHA_FREE_ZORDER,
FEAT_FIFO_MERGE,
+ FEAT_BURST_2D,
};
/* OMAP2 DSS Features */
@@ -457,6 +462,7 @@ static const struct omap_dss_features omap2_dss_features = {
.overlay_caps = omap2_dss_overlay_caps,
.clksrc_names = omap2_dss_clk_source_names,
.dss_params = omap2_dss_param_range,
+ .supported_rotation_types = OMAP_DSS_ROT_DMA | OMAP_DSS_ROT_VRFB,
.buffer_size_unit = 1,
.burst_size_unit = 8,
};
@@ -476,6 +482,7 @@ static const struct omap_dss_features omap3430_dss_features = {
.overlay_caps = omap3430_dss_overlay_caps,
.clksrc_names = omap3_dss_clk_source_names,
.dss_params = omap3_dss_param_range,
+ .supported_rotation_types = OMAP_DSS_ROT_DMA | OMAP_DSS_ROT_VRFB,
.buffer_size_unit = 1,
.burst_size_unit = 8,
};
@@ -494,6 +501,7 @@ static const struct omap_dss_features omap3630_dss_features = {
.overlay_caps = omap3630_dss_overlay_caps,
.clksrc_names = omap3_dss_clk_source_names,
.dss_params = omap3_dss_param_range,
+ .supported_rotation_types = OMAP_DSS_ROT_DMA | OMAP_DSS_ROT_VRFB,
.buffer_size_unit = 1,
.burst_size_unit = 8,
};
@@ -514,6 +522,7 @@ static const struct omap_dss_features omap4430_es1_0_dss_features = {
.overlay_caps = omap4_dss_overlay_caps,
.clksrc_names = omap4_dss_clk_source_names,
.dss_params = omap4_dss_param_range,
+ .supported_rotation_types = OMAP_DSS_ROT_DMA | OMAP_DSS_ROT_TILER,
.buffer_size_unit = 16,
.burst_size_unit = 16,
};
@@ -533,6 +542,7 @@ static const struct omap_dss_features omap4430_es2_0_1_2_dss_features = {
.overlay_caps = omap4_dss_overlay_caps,
.clksrc_names = omap4_dss_clk_source_names,
.dss_params = omap4_dss_param_range,
+ .supported_rotation_types = OMAP_DSS_ROT_DMA | OMAP_DSS_ROT_TILER,
.buffer_size_unit = 16,
.burst_size_unit = 16,
};
@@ -552,6 +562,7 @@ static const struct omap_dss_features omap4_dss_features = {
.overlay_caps = omap4_dss_overlay_caps,
.clksrc_names = omap4_dss_clk_source_names,
.dss_params = omap4_dss_param_range,
+ .supported_rotation_types = OMAP_DSS_ROT_DMA | OMAP_DSS_ROT_TILER,
.buffer_size_unit = 16,
.burst_size_unit = 16,
};
@@ -672,6 +683,11 @@ void dss_feat_get_reg_field(enum dss_feat_reg_field id, u8 *start, u8 *end)
*end = omap_current_dss_features->reg_fields[id].end;
}
+bool dss_feat_rotation_type_supported(enum omap_dss_rotation_type rot_type)
+{
+ return omap_current_dss_features->supported_rotation_types & rot_type;
+}
+
void dss_features_init(void)
{
if (cpu_is_omap24xx())
diff --git a/drivers/video/omap2/dss/dss_features.h b/drivers/video/omap2/dss/dss_features.h
index 3736367089a1..bdf469f080e7 100644
--- a/drivers/video/omap2/dss/dss_features.h
+++ b/drivers/video/omap2/dss/dss_features.h
@@ -62,6 +62,7 @@ enum dss_feat_id {
FEAT_FIFO_MERGE,
/* An unknown HW bug causing the normal FIFO thresholds not to work */
FEAT_OMAP3_DSI_FIFO_BUG,
+ FEAT_BURST_2D,
};
/* DSS register field id */
@@ -110,6 +111,8 @@ const char *dss_feat_get_clk_source_name(enum omap_dss_clk_source id);
u32 dss_feat_get_buffer_size_unit(void); /* in bytes */
u32 dss_feat_get_burst_size_unit(void); /* in bytes */
+bool dss_feat_rotation_type_supported(enum omap_dss_rotation_type rot_type);
+
bool dss_has_feature(enum dss_feat_id id);
void dss_feat_get_reg_field(enum dss_feat_reg_field id, u8 *start, u8 *end);
void dss_features_init(void);
diff --git a/drivers/video/omap2/dss/overlay.c b/drivers/video/omap2/dss/overlay.c
index 0da5eb654ae9..b0ba60f88dd2 100644
--- a/drivers/video/omap2/dss/overlay.c
+++ b/drivers/video/omap2/dss/overlay.c
@@ -628,6 +628,12 @@ int dss_ovl_simple_check(struct omap_overlay *ovl,
return -EINVAL;
}
+ if (dss_feat_rotation_type_supported(info->rotation_type) == 0) {
+ DSSERR("check_overlay: rotation type %d not supported\n",
+ info->rotation_type);
+ return -EINVAL;
+ }
+
return 0;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-05 03:22:09 +0100