[PATCH v4 1/7] OMAP: DSS2: Add dss_features for omap4 and overlay manager related features

Archit Taneja
2010-11-08T12:23:32Z

Add support for LCD2 manager through introducing a new has_feature,
Initialize a dss_features struct for omap4.

Signed-off-by: Archit Taneja <archit@ti.com>
---
drivers/video/omap2/dss/dss_features.c | 43 ++++++++++++++++++++++++++++++-
drivers/video/omap2/dss/dss_features.h | 7 ++++-
2 files changed, 47 insertions(+), 3 deletions(-)

diff --git a/drivers/video/omap2/dss/dss_features.c b/drivers/video/omap2/dss/dss_features.c
index 854deba..8ab54ab 100644
--- a/drivers/video/omap2/dss/dss_features.c
+++ b/drivers/video/omap2/dss/dss_features.c
@@ -82,6 +82,18 @@ static const enum omap_display_type omap3_dss_supported_displays[] = {
OMAP_DISPLAY_TYPE_VENC,
};

+static const enum omap_display_type omap4_dss_supported_displays[] = {
+ /* OMAP_DSS_CHANNEL_LCD */
+ OMAP_DISPLAY_TYPE_DBI | OMAP_DISPLAY_TYPE_DSI,
+
+ /* OMAP_DSS_CHANNEL_DIGIT */
+ OMAP_DISPLAY_TYPE_VENC,
+
+ /* OMAP_DSS_CHANNEL_LCD2 */
+ OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI |
+ OMAP_DISPLAY_TYPE_DSI,
+};
+
static const enum omap_color_mode omap2_dss_supported_color_modes[] = {
/* OMAP_DSS_GFX */
OMAP_DSS_COLOR_CLUT1 | OMAP_DSS_COLOR_CLUT2 |
@@ -127,6 +139,10 @@ static struct omap_dss_features omap2_dss_features = {
.reg_fields = omap2_dss_reg_fields,
.num_reg_fields = ARRAY_SIZE(omap2_dss_reg_fields),

+ .has_feature =
+ FEAT_LCDENABLEPOL | FEAT_LCDENABLESIGNAL |
+ FEAT_PCKFREEENABLE | FEAT_FUNCGATED,
+
.num_mgrs = 2,
.num_ovls = 3,
.supported_displays = omap2_dss_supported_displays,
@@ -138,7 +154,10 @@ static struct omap_dss_features omap3430_dss_features = {
.reg_fields = omap3_dss_reg_fields,
.num_reg_fields = ARRAY_SIZE(omap3_dss_reg_fields),

- .has_feature = FEAT_GLOBAL_ALPHA,
+ .has_feature =
+ FEAT_GLOBAL_ALPHA | FEAT_LCDENABLEPOL |
+ FEAT_LCDENABLESIGNAL | FEAT_PCKFREEENABLE |
+ FEAT_FUNCGATED,

.num_mgrs = 2,
.num_ovls = 3,
@@ -150,7 +169,10 @@ static struct omap_dss_features omap3630_dss_features = {
.reg_fields = omap3_dss_reg_fields,
.num_reg_fields = ARRAY_SIZE(omap3_dss_reg_fields),

- .has_feature = FEAT_GLOBAL_ALPHA | FEAT_PRE_MULT_ALPHA,
+ .has_feature =
+ FEAT_GLOBAL_ALPHA | FEAT_LCDENABLEPOL |
+ FEAT_LCDENABLESIGNAL | FEAT_PCKFREEENABLE |
+ FEAT_PRE_MULT_ALPHA | FEAT_FUNCGATED,

.num_mgrs = 2,
.num_ovls = 3,
@@ -158,6 +180,21 @@ static struct omap_dss_features omap3630_dss_features = {
.supported_color_modes = omap3_dss_supported_color_modes,
};

+/* OMAP4 DSS Features */
+static struct omap_dss_features omap4_dss_features = {
+ .reg_fields = omap3_dss_reg_fields,
+ .num_reg_fields = ARRAY_SIZE(omap3_dss_reg_fields),
+
+ .has_feature =
+ FEAT_GLOBAL_ALPHA | FEAT_PRE_MULT_ALPHA |
+ FEAT_MGR_LCD2,
+
+ .num_mgrs = 3,
+ .num_ovls = 3,
+ .supported_displays = omap4_dss_supported_displays,
+ .supported_color_modes = omap3_dss_supported_color_modes,
+};
+
/* Functions returning values related to a DSS feature */
int dss_feat_get_num_mgrs(void)
{
@@ -202,4 +239,6 @@ void dss_features_init(void)
omap_current_dss_features = &omap3630_dss_features;
else if (cpu_is_omap34xx())
omap_current_dss_features = &omap3430_dss_features;
+ else
+ omap_current_dss_features = &omap4_dss_features;
}
diff --git a/drivers/video/omap2/dss/dss_features.h b/drivers/video/omap2/dss/dss_features.h
index aeb2eea..161d378 100644
--- a/drivers/video/omap2/dss/dss_features.h
+++ b/drivers/video/omap2/dss/dss_features.h
@@ -20,7 +20,7 @@
#ifndef __OMAP2_DSS_FEATURES_H
#define __OMAP2_DSS_FEATURES_H

-#define MAX_DSS_MANAGERS 2
+#define MAX_DSS_MANAGERS 3
#define MAX_DSS_OVERLAYS 3

/* DSS has feature id */
@@ -28,6 +28,11 @@ enum dss_feat_id {
FEAT_GLOBAL_ALPHA = 1 << 0,
FEAT_GLOBAL_ALPHA_VID1 = 1 << 1,
FEAT_PRE_MULT_ALPHA = 1 << 2,
+ FEAT_LCDENABLEPOL = 1 << 3,
+ FEAT_LCDENABLESIGNAL = 1 << 4,
+ FEAT_PCKFREEENABLE = 1 << 5,
+ FEAT_FUNCGATED = 1 << 6,
+ FEAT_MGR_LCD2 = 1 << 7,
};

/* DSS register field id */
--
1.7.0.4