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path: root/drivers/video/omap2/dss/dss_features.c
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Diffstat (limited to 'drivers/video/omap2/dss/dss_features.c')
-rw-r--r--drivers/video/omap2/dss/dss_features.c36
1 files changed, 28 insertions, 8 deletions
diff --git a/drivers/video/omap2/dss/dss_features.c b/drivers/video/omap2/dss/dss_features.c
index 8de3344842d7..4c8b32af496c 100644
--- a/drivers/video/omap2/dss/dss_features.c
+++ b/drivers/video/omap2/dss/dss_features.c
@@ -33,6 +33,10 @@ struct dss_reg_field {
u8 start, end;
};
+struct dss_param_range {
+ int min, max;
+};
+
struct omap_dss_features {
const struct dss_reg_field *reg_fields;
const int num_reg_fields;
@@ -41,10 +45,10 @@ struct omap_dss_features {
const int num_mgrs;
const int num_ovls;
- const unsigned long max_dss_fck;
const enum omap_display_type *supported_displays;
const enum omap_color_mode *supported_color_modes;
const char * const *clksrc_names;
+ const struct dss_param_range *dss_params;
};
/* This struct is assigned to one of the below during initialization */
@@ -179,6 +183,18 @@ static const char * const omap4_dss_clk_source_names[] = {
[DSS_CLK_SRC_FCK] = "DSS_FCLK",
};
+static const struct dss_param_range omap2_dss_param_range[] = {
+ [FEAT_PARAM_DSS_FCK] = { 0, 173000000 },
+};
+
+static const struct dss_param_range omap3_dss_param_range[] = {
+ [FEAT_PARAM_DSS_FCK] = { 0, 173000000 },
+};
+
+static const struct dss_param_range omap4_dss_param_range[] = {
+ [FEAT_PARAM_DSS_FCK] = { 0, 186000000 },
+};
+
/* OMAP2 DSS Features */
static struct omap_dss_features omap2_dss_features = {
.reg_fields = omap2_dss_reg_fields,
@@ -191,10 +207,10 @@ static struct omap_dss_features omap2_dss_features = {
.num_mgrs = 2,
.num_ovls = 3,
- .max_dss_fck = 173000000,
.supported_displays = omap2_dss_supported_displays,
.supported_color_modes = omap2_dss_supported_color_modes,
.clksrc_names = omap2_dss_clk_source_names,
+ .dss_params = omap2_dss_param_range,
};
/* OMAP3 DSS Features */
@@ -210,10 +226,10 @@ static struct omap_dss_features omap3430_dss_features = {
.num_mgrs = 2,
.num_ovls = 3,
- .max_dss_fck = 173000000,
.supported_displays = omap3430_dss_supported_displays,
.supported_color_modes = omap3_dss_supported_color_modes,
.clksrc_names = omap3_dss_clk_source_names,
+ .dss_params = omap3_dss_param_range,
};
static struct omap_dss_features omap3630_dss_features = {
@@ -229,10 +245,10 @@ static struct omap_dss_features omap3630_dss_features = {
.num_mgrs = 2,
.num_ovls = 3,
- .max_dss_fck = 173000000,
.supported_displays = omap3630_dss_supported_displays,
.supported_color_modes = omap3_dss_supported_color_modes,
.clksrc_names = omap3_dss_clk_source_names,
+ .dss_params = omap3_dss_param_range,
};
/* OMAP4 DSS Features */
@@ -247,10 +263,10 @@ static struct omap_dss_features omap4_dss_features = {
.num_mgrs = 3,
.num_ovls = 3,
- .max_dss_fck = 186000000,
.supported_displays = omap4_dss_supported_displays,
.supported_color_modes = omap3_dss_supported_color_modes,
.clksrc_names = omap4_dss_clk_source_names,
+ .dss_params = omap4_dss_param_range,
};
/* Functions returning values related to a DSS feature */
@@ -264,10 +280,14 @@ int dss_feat_get_num_ovls(void)
return omap_current_dss_features->num_ovls;
}
-/* Max supported DSS FCK in Hz */
-unsigned long dss_feat_get_max_dss_fck(void)
+unsigned long dss_feat_get_param_min(enum dss_range_param param)
+{
+ return omap_current_dss_features->dss_params[param].min;
+}
+
+unsigned long dss_feat_get_param_max(enum dss_range_param param)
{
- return omap_current_dss_features->max_dss_fck;
+ return omap_current_dss_features->dss_params[param].max;
}
enum omap_display_type dss_feat_get_supported_displays(enum omap_channel channel)