diff options
Diffstat (limited to 'recipes/linux/linux-kexecboot-2.6.29/dss2/0055-DSS2-Added-global-alpha-support.patch')
| -rw-r--r-- | recipes/linux/linux-kexecboot-2.6.29/dss2/0055-DSS2-Added-global-alpha-support.patch | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/recipes/linux/linux-kexecboot-2.6.29/dss2/0055-DSS2-Added-global-alpha-support.patch b/recipes/linux/linux-kexecboot-2.6.29/dss2/0055-DSS2-Added-global-alpha-support.patch new file mode 100644 index 0000000000..c545b648cc --- /dev/null +++ b/recipes/linux/linux-kexecboot-2.6.29/dss2/0055-DSS2-Added-global-alpha-support.patch @@ -0,0 +1,230 @@ +From c8588370442424ac31e2392b07891615629eb999 Mon Sep 17 00:00:00 2001 +From: Hardik Shah <hardik.shah@ti.com> +Date: Fri, 24 Apr 2009 15:29:06 +0530 +Subject: [PATCH 55/69] DSS2: Added global alpha support. + +global_alpha sysfs entry for video1 plane will always show 255 as +it does not support global_alpha. +Initliazied the global alpha field for all the overlays +to 255 (fully opaque). +Documentation also updated. + +Signed-off-by: Hardik Shah <hardik.shah@ti.com> +--- + Documentation/arm/OMAP/DSS | 1 + + arch/arm/plat-omap/include/mach/display.h | 1 + + drivers/video/omap2/dss/dispc.c | 25 ++++++++++++++++--- + drivers/video/omap2/dss/dss.h | 3 +- + drivers/video/omap2/dss/manager.c | 3 +- + drivers/video/omap2/dss/overlay.c | 37 +++++++++++++++++++++++++++++ + 6 files changed, 64 insertions(+), 6 deletions(-) + +diff --git a/Documentation/arm/OMAP/DSS b/Documentation/arm/OMAP/DSS +index 9e902a2..249e1a3 100644 +--- a/Documentation/arm/OMAP/DSS ++++ b/Documentation/arm/OMAP/DSS +@@ -133,6 +133,7 @@ name + output_size width,height + position x,y + screen_width width ++global_alpha global alpha 0-255 0=transparent 255=opaque + + /sys/devices/platform/omapdss/manager? directory: + display Destination display +diff --git a/arch/arm/plat-omap/include/mach/display.h b/arch/arm/plat-omap/include/mach/display.h +index d0b4c83..45b16ca 100644 +--- a/arch/arm/plat-omap/include/mach/display.h ++++ b/arch/arm/plat-omap/include/mach/display.h +@@ -363,6 +363,7 @@ struct omap_overlay_info { + u16 pos_y; + u16 out_width; /* if 0, out_width == width */ + u16 out_height; /* if 0, out_height == height */ ++ u8 global_alpha; + }; + + enum omap_overlay_caps { +diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c +index 9bab6cf..b6a39f5 100644 +--- a/drivers/video/omap2/dss/dispc.c ++++ b/drivers/video/omap2/dss/dispc.c +@@ -778,6 +778,17 @@ static void _dispc_set_vid_size(enum omap_plane plane, int width, int height) + dispc_write_reg(vsi_reg[plane-1], val); + } + ++static void _dispc_setup_global_alpha(enum omap_plane plane, u8 global_alpha) ++{ ++ ++ BUG_ON(plane == OMAP_DSS_VIDEO1); ++ ++ if (plane == OMAP_DSS_GFX) ++ REG_FLD_MOD(DISPC_GLOBAL_ALPHA, global_alpha, 7, 0); ++ else if (plane == OMAP_DSS_VIDEO2) ++ REG_FLD_MOD(DISPC_GLOBAL_ALPHA, global_alpha, 23, 16); ++} ++ + static void _dispc_set_pix_inc(enum omap_plane plane, s32 inc) + { + const struct dispc_reg ri_reg[] = { DISPC_GFX_PIXEL_INC, +@@ -1444,7 +1455,8 @@ static int _dispc_setup_plane(enum omap_plane plane, + enum omap_color_mode color_mode, + bool ilace, + enum omap_dss_rotation_type rotation_type, +- u8 rotation, int mirror) ++ u8 rotation, int mirror, ++ u8 global_alpha) + { + const int maxdownscale = cpu_is_omap34xx() ? 4 : 2; + bool five_taps = 0; +@@ -1592,6 +1604,9 @@ static int _dispc_setup_plane(enum omap_plane plane, + + _dispc_set_rotation_attrs(plane, rotation, mirror, color_mode); + ++ if (plane != OMAP_DSS_VIDEO1) ++ _dispc_setup_global_alpha(plane, global_alpha); ++ + return 0; + } + +@@ -3011,7 +3026,7 @@ int dispc_setup_plane(enum omap_plane plane, enum omap_channel channel_out, + enum omap_color_mode color_mode, + bool ilace, + enum omap_dss_rotation_type rotation_type, +- u8 rotation, bool mirror) ++ u8 rotation, bool mirror, u8 global_alpha) + { + int r = 0; + +@@ -3032,7 +3047,8 @@ int dispc_setup_plane(enum omap_plane plane, enum omap_channel channel_out, + out_width, out_height, + color_mode, ilace, + rotation_type, +- rotation, mirror); ++ rotation, mirror, ++ global_alpha); + + enable_clocks(0); + +@@ -3247,7 +3263,8 @@ void dispc_setup_partial_planes(struct omap_display *display, + pi->color_mode, 0, + pi->rotation_type, + pi->rotation, +- pi->mirror); ++ pi->mirror, ++ pi->global_alpha); + + dispc_enable_plane(ovl->id, 1); + } +diff --git a/drivers/video/omap2/dss/dss.h b/drivers/video/omap2/dss/dss.h +index 1d01ff6..20cef0a 100644 +--- a/drivers/video/omap2/dss/dss.h ++++ b/drivers/video/omap2/dss/dss.h +@@ -273,7 +273,8 @@ int dispc_setup_plane(enum omap_plane plane, enum omap_channel channel_out, + enum omap_color_mode color_mode, + bool ilace, + enum omap_dss_rotation_type rotation_type, +- u8 rotation, bool mirror); ++ u8 rotation, bool mirror, ++ u8 global_alpha); + + void dispc_go(enum omap_channel channel); + void dispc_enable_lcd_out(bool enable); +diff --git a/drivers/video/omap2/dss/manager.c b/drivers/video/omap2/dss/manager.c +index bf059e0..1e6cd8d 100644 +--- a/drivers/video/omap2/dss/manager.c ++++ b/drivers/video/omap2/dss/manager.c +@@ -464,7 +464,8 @@ static int omap_dss_mgr_apply(struct omap_overlay_manager *mgr) + ilace, + ovl->info.rotation_type, + ovl->info.rotation, +- ovl->info.mirror); ++ ovl->info.mirror, ++ ovl->info.global_alpha); + + if (r) { + DSSERR("dispc_setup_plane failed for ovl %d\n", +diff --git a/drivers/video/omap2/dss/overlay.c b/drivers/video/omap2/dss/overlay.c +index c047206..035a57a 100644 +--- a/drivers/video/omap2/dss/overlay.c ++++ b/drivers/video/omap2/dss/overlay.c +@@ -194,6 +194,37 @@ static ssize_t overlay_enabled_store(struct omap_overlay *ovl, const char *buf, + return size; + } + ++static ssize_t overlay_global_alpha_show(struct omap_overlay *ovl, char *buf) ++{ ++ return snprintf(buf, PAGE_SIZE, "%d\n", ++ ovl->info.global_alpha); ++} ++ ++static ssize_t overlay_global_alpha_store(struct omap_overlay *ovl, ++ const char *buf, size_t size) ++{ ++ int r; ++ struct omap_overlay_info info; ++ ++ ovl->get_overlay_info(ovl, &info); ++ ++ /* Video1 plane does not support global alpha ++ * to always make it 255 completely opaque ++ */ ++ if (ovl->id == OMAP_DSS_VIDEO1) ++ info.global_alpha = 255; ++ else ++ info.global_alpha = simple_strtoul(buf, NULL, 10); ++ ++ if ((r = ovl->set_overlay_info(ovl, &info))) ++ return r; ++ ++ if (ovl->manager && (r = ovl->manager->apply(ovl->manager))) ++ return r; ++ ++ return size; ++} ++ + struct overlay_attribute { + struct attribute attr; + ssize_t (*show)(struct omap_overlay *, char *); +@@ -215,6 +246,8 @@ static OVERLAY_ATTR(output_size, S_IRUGO|S_IWUSR, + overlay_output_size_show, overlay_output_size_store); + static OVERLAY_ATTR(enabled, S_IRUGO|S_IWUSR, + overlay_enabled_show, overlay_enabled_store); ++static OVERLAY_ATTR(global_alpha, S_IRUGO|S_IWUSR, ++ overlay_global_alpha_show, overlay_global_alpha_store); + + static struct attribute *overlay_sysfs_attrs[] = { + &overlay_attr_name.attr, +@@ -224,6 +257,7 @@ static struct attribute *overlay_sysfs_attrs[] = { + &overlay_attr_position.attr, + &overlay_attr_output_size.attr, + &overlay_attr_enabled.attr, ++ &overlay_attr_global_alpha.attr, + NULL + }; + +@@ -444,6 +478,7 @@ void dss_init_overlays(struct platform_device *pdev, const char *def_disp_name) + ovl->id = OMAP_DSS_GFX; + ovl->supported_modes = OMAP_DSS_COLOR_GFX_OMAP3; + ovl->caps = OMAP_DSS_OVL_CAP_DISPC; ++ ovl->info.global_alpha = 255; + break; + case 1: + ovl->name = "vid1"; +@@ -451,6 +486,7 @@ void dss_init_overlays(struct platform_device *pdev, const char *def_disp_name) + ovl->supported_modes = OMAP_DSS_COLOR_VID_OMAP3; + ovl->caps = OMAP_DSS_OVL_CAP_SCALE | + OMAP_DSS_OVL_CAP_DISPC; ++ ovl->info.global_alpha = 255; + break; + case 2: + ovl->name = "vid2"; +@@ -458,6 +494,7 @@ void dss_init_overlays(struct platform_device *pdev, const char *def_disp_name) + ovl->supported_modes = OMAP_DSS_COLOR_VID_OMAP3; + ovl->caps = OMAP_DSS_OVL_CAP_SCALE | + OMAP_DSS_OVL_CAP_DISPC; ++ ovl->info.global_alpha = 255; + break; + } + +-- +1.6.2.4 + |