Add drm properties for global alpha, output color, background color,
and test pattern generation.
Signed-off-by: Hyun Kwon <hyun.kwon@xxxxxxxxxx>
---
v2
- Split from the original patch
- Some props are important feature to be included
---
---
drivers/gpu/drm/xlnx/zynqmp_disp.c | 193 ++++++++++++++++++++++++++++++++++++-
1 file changed, 192 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/xlnx/zynqmp_disp.c b/drivers/gpu/drm/xlnx/zynqmp_disp.c
index 4ca9db3..3308764 100644
--- a/drivers/gpu/drm/xlnx/zynqmp_disp.c
+++ b/drivers/gpu/drm/xlnx/zynqmp_disp.c
@@ -413,12 +413,19 @@ struct zynqmp_disp_aud {
* @av_buf: AV buffer manager block
* @aud:Audio block
* @layers: layers
+ * @g_alpha_prop: global alpha property
* @alpha: current global alpha value
+ * @g_alpha_en_prop: the global alpha enable property
* @alpha_en: flag if the global alpha is enabled
+ * @color_prop: output color format property
* @color: current output color value
+ * @bg_c0_prop: 1st component of background color property
* @bg_c0: current value of 1st background color component
+ * @bg_c1_prop: 2nd component of background color property
* @bg_c1: current value of 2nd background color component
+ * @bg_c2_prop: 3rd component of background color property
* @bg_c2: current value of 3rd background color component
+ * @tpg_prop: Test Pattern Generation mode property
* @tpg_on: current TPG mode state
* @event: pending vblank event request
* @_ps_pclk: Pixel clock from PS
@@ -442,12 +449,19 @@ struct zynqmp_disp {
struct zynqmp_disp_av_buf av_buf;
struct zynqmp_disp_aud aud;
struct zynqmp_disp_layer layers[ZYNQMP_DISP_NUM_LAYERS];
+ struct drm_property *g_alpha_prop;
u32 alpha;
+ struct drm_property *g_alpha_en_prop;
bool alpha_en;
+ struct drm_property *color_prop;
unsigned int color;
+ struct drm_property *bg_c0_prop;
u32 bg_c0;
+ struct drm_property *bg_c1_prop;
u32 bg_c1;
+ struct drm_property *bg_c2_prop;
u32 bg_c2;
+ struct drm_property *tpg_prop;
bool tpg_on;
struct drm_pending_vblank_event *event;
/* Don't operate directly on _ps_ */
@@ -1621,6 +1635,21 @@ static int zynqmp_disp_layer_set_tpg(struct zynqmp_disp *disp,
}
/**
+ * zynqmp_disp_get_tpg - Get the TPG mode status
+ * @disp: Display subsystem
+ * @layer: Video layer
+ *
+ * Return if the TPG is enabled or not.
+ *
+ * Return: true if TPG is on, otherwise false
+ */
+static bool zynqmp_disp_layer_get_tpg(struct zynqmp_disp *disp,
+ struct zynqmp_disp_layer *layer)
+{
+ return disp->tpg_on;
+}
+
+/**
* zynqmp_disp_get_fmt - Get the supported DRM formats of the layer
* @disp: Display subsystem
* @layer: layer to get the formats
@@ -1879,7 +1908,7 @@ static int zynqmp_disp_layer_create(struct zynqmp_disp *disp)
*/
/*
- * Output format enumeration
+ * Output format enumeration.
* The ID should be aligned with blend_output_fmts.
* The string should be aligned with how zynqmp_dp_set_color() decodes.
*/
@@ -1937,6 +1966,19 @@ static void zynqmp_disp_set_alpha(struct zynqmp_disp *disp, u32 alpha)
}
/**
+ * zynqmp_disp_get_alpha - Get the alpha value
+ * @disp: Display subsystem
+ *
+ * Get the alpha value for blending.
+ *
+ * Return: current alpha value.
+ */
+static u32 zynqmp_disp_get_alpha(struct zynqmp_disp *disp)
+{
+ return disp->alpha;
+}
+
+/**
* zynqmp_disp_set_g_alpha - Enable/disable the global alpha blending
* @disp: Display subsystem
* @enable: flag to enable or disable alpha blending
@@ -1950,6 +1992,19 @@ static void zynqmp_disp_set_g_alpha(struct zynqmp_disp *disp, bool enable)
}
/**
+ * zynqmp_disp_get_g_alpha - Get the global alpha status
+ * @disp: Display subsystem
+ *
+ * Get the global alpha statue.
+ *
+ * Return: true if global alpha is enabled, or false.
+ */
+static bool zynqmp_disp_get_g_alpha(struct zynqmp_disp *disp)
+{
+ return disp->alpha_en;
+}
+
+/**
* zynqmp_disp_enable - Enable the Display subsystem
* @disp: Display subsystem
*
@@ -2172,9 +2227,54 @@ static void zynqmp_disp_plane_destroy(struct drm_plane *plane)
drm_plane_cleanup(plane);
}
+static int
+zynqmp_disp_plane_atomic_set_property(struct drm_plane *plane,
+ struct drm_plane_state *state,
+ struct drm_property *property, u64 val)
+{
+ struct zynqmp_disp_layer *layer = plane_to_layer(plane);
+ struct zynqmp_disp *disp = layer->disp;
+ int ret = 0;
+
+ if (property == disp->g_alpha_prop)
+ zynqmp_disp_set_alpha(disp, val);
+ else if (property == disp->g_alpha_en_prop)
+ zynqmp_disp_set_g_alpha(disp, val);
+ else if (property == disp->tpg_prop)
+ ret = zynqmp_disp_layer_set_tpg(disp, layer, val);
+ else
+ return -EINVAL;
+
+ return ret;
+}
+
+static int
+zynqmp_disp_plane_atomic_get_property(struct drm_plane *plane,
+ const struct drm_plane_state *state,
+ struct drm_property *property,
+ uint64_t *val)
+{
+ struct zynqmp_disp_layer *layer = plane_to_layer(plane);
+ struct zynqmp_disp *disp = layer->disp;
+ int ret = 0;
+
+ if (property == disp->g_alpha_prop)
+ *val = zynqmp_disp_get_alpha(disp);
+ else if (property == disp->g_alpha_en_prop)
+ *val = zynqmp_disp_get_g_alpha(disp);
+ else if (property == disp->tpg_prop)
+ *val = zynqmp_disp_layer_get_tpg(disp, layer);
+ else
+ return -EINVAL;
+
+ return ret;
+}
+
static struct drm_plane_funcs zynqmp_disp_plane_funcs = {
.update_plane = drm_atomic_helper_update_plane,
.disable_plane = drm_atomic_helper_disable_plane,
+ .atomic_set_property = zynqmp_disp_plane_atomic_set_property,
+ .atomic_get_property = zynqmp_disp_plane_atomic_get_property,
.destroy = zynqmp_disp_plane_destroy,
.reset = drm_atomic_helper_plane_reset,
.atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
@@ -2241,6 +2341,18 @@ static int zynqmp_disp_create_plane(struct zynqmp_disp *disp)
type = DRM_PLANE_TYPE_PRIMARY;
}
+ /* Attach properties to each layers */
+ drm_object_attach_property(&layer->plane.base, disp->g_alpha_prop,
+ ZYNQMP_DISP_V_BLEND_SET_GLOBAL_ALPHA_MAX);
+ disp->alpha = ZYNQMP_DISP_V_BLEND_SET_GLOBAL_ALPHA_MAX;
+ /* Enable the global alpha as default */
+ drm_object_attach_property(&layer->plane.base, disp->g_alpha_en_prop,
+ true);
+ disp->alpha_en = true;
+
+ layer = &disp->layers[ZYNQMP_DISP_LAYER_VID];
+ drm_object_attach_property(&layer->plane.base, disp->tpg_prop, false);
+
return ret;
err_plane:
@@ -2429,10 +2541,60 @@ static void zynqmp_disp_crtc_destroy(struct drm_crtc *crtc)
drm_crtc_cleanup(crtc);
}
+static int
+zynqmp_disp_crtc_atomic_set_property(struct drm_crtc *crtc,
+ struct drm_crtc_state *state,
+ struct drm_property *property,
+ uint64_t val)
+{
+ struct zynqmp_disp *disp = crtc_to_disp(crtc);
+
+ /*
+ * CRTC prop values are just stored here and applied when CRTC gets
+ * enabled
+ */
+ if (property == disp->color_prop)
+ disp->color = val;
+ else if (property == disp->bg_c0_prop)
+ disp->bg_c0 = val;
+ else if (property == disp->bg_c1_prop)
+ disp->bg_c1 = val;
+ else if (property == disp->bg_c2_prop)
+ disp->bg_c2 = val;
+ else
+ return -EINVAL;
+
+ return 0;
+}
+
+static int
+zynqmp_disp_crtc_atomic_get_property(struct drm_crtc *crtc,
+ const struct drm_crtc_state *state,
+ struct drm_property *property,
+ uint64_t *val)
+{
+ struct zynqmp_disp *disp = crtc_to_disp(crtc);
+
+ if (property == disp->color_prop)
+ *val = disp->color;
+ else if (property == disp->bg_c0_prop)
+ *val = disp->bg_c0;
+ else if (property == disp->bg_c1_prop)
+ *val = disp->bg_c1;
+ else if (property == disp->bg_c2_prop)
+ *val = disp->bg_c2;
+ else
+ return -EINVAL;
+
+ return 0;
+}
+
static struct drm_crtc_funcs zynqmp_disp_crtc_funcs = {
.destroy = zynqmp_disp_crtc_destroy,
.set_config = drm_atomic_helper_set_config,
.page_flip = drm_atomic_helper_page_flip,
+ .atomic_set_property = zynqmp_disp_crtc_atomic_set_property,
+ .atomic_get_property = zynqmp_disp_crtc_atomic_get_property,
.reset = drm_atomic_helper_crtc_reset,
.atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
.atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
@@ -2441,12 +2603,18 @@ static struct drm_crtc_funcs zynqmp_disp_crtc_funcs = {
static void zynqmp_disp_create_crtc(struct zynqmp_disp *disp)
{
struct drm_plane *plane = &disp->layers[ZYNQMP_DISP_LAYER_GFX].plane;
+ struct drm_mode_object *obj = &disp->xlnx_crtc.crtc.base;
int ret;
ret = drm_crtc_init_with_planes(disp->drm, &disp->xlnx_crtc.crtc, plane,
NULL, &zynqmp_disp_crtc_funcs, NULL);
drm_crtc_helper_add(&disp->xlnx_crtc.crtc,
&zynqmp_disp_crtc_helper_funcs);
+ drm_object_attach_property(obj, disp->color_prop, 0);
+ zynqmp_dp_set_color(disp->dpsub->dp, zynqmp_disp_color_enum[0].name);
+ drm_object_attach_property(obj, disp->bg_c0_prop, 0);
+ drm_object_attach_property(obj, disp->bg_c1_prop, 0);
+ drm_object_attach_property(obj, disp->bg_c2_prop, 0);
disp->xlnx_crtc.enable_vblank = &zynqmp_disp_enable_vblank;
disp->xlnx_crtc.disable_vblank = &zynqmp_disp_disable_vblank;
@@ -2482,10 +2650,27 @@ int zynqmp_disp_bind(struct device *dev, struct device *master, void *data)
struct zynqmp_dpsub *dpsub = dev_get_drvdata(dev);
struct zynqmp_disp *disp = dpsub->disp;
struct drm_device *drm = data;
+ int num;
+ u64 max;
int ret;
disp->drm = drm;
+ max = ZYNQMP_DISP_V_BLEND_SET_GLOBAL_ALPHA_MAX;
+ disp->g_alpha_prop = drm_property_create_range(drm, 0, "alpha", 0, max);
+ disp->g_alpha_en_prop = drm_property_create_bool(drm, 0,
+ "g_alpha_en");
+ num = ARRAY_SIZE(zynqmp_disp_color_enum);
+ disp->color_prop = drm_property_create_enum(drm, 0,
+ "output_color",
+ zynqmp_disp_color_enum,
+ num);
+ max = ZYNQMP_DISP_V_BLEND_BG_MAX;
+ disp->bg_c0_prop = drm_property_create_range(drm, 0, "bg_c0", 0, max);
+ disp->bg_c1_prop = drm_property_create_range(drm, 0, "bg_c1", 0, max);
+ disp->bg_c2_prop = drm_property_create_range(drm, 0, "bg_c2", 0, max);
+ disp->tpg_prop = drm_property_create_bool(drm, 0, "tpg");
+
ret = zynqmp_disp_create_plane(disp);
if (ret)
return ret;
@@ -2502,6 +2687,12 @@ void zynqmp_disp_unbind(struct device *dev, struct device *master, void *data)
zynqmp_disp_destroy_crtc(disp);
zynqmp_disp_destroy_plane(disp);
+ drm_property_destroy(disp->drm, disp->bg_c2_prop);
+ drm_property_destroy(disp->drm, disp->bg_c1_prop);
+ drm_property_destroy(disp->drm, disp->bg_c0_prop);
+ drm_property_destroy(disp->drm, disp->color_prop);
+ drm_property_destroy(disp->drm, disp->g_alpha_en_prop);
+ drm_property_destroy(disp->drm, disp->g_alpha_prop);
}
/*
--
2.7.4
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