diff options
| -rw-r--r-- | drivers/video/omap2/dss/dispc.c | 24 | ||||
| -rw-r--r-- | drivers/video/omap2/dss/overlay.c | 72 | ||||
| -rw-r--r-- | include/video/omapdss.h | 1 |
3 files changed, 97 insertions, 0 deletions
diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c index fa7aadfec7b8..6892cfd2e3b7 100644 --- a/drivers/video/omap2/dss/dispc.c +++ b/drivers/video/omap2/dss/dispc.c @@ -739,6 +739,27 @@ static void dispc_ovl_set_vid_size(enum omap_plane plane, int width, int height) dispc_write_reg(DISPC_OVL_SIZE(plane), val); } +static void dispc_ovl_set_zorder(enum omap_plane plane, u8 zorder) +{ + struct omap_overlay *ovl = omap_dss_get_overlay(plane); + + if ((ovl->caps & OMAP_DSS_OVL_CAP_ZORDER) == 0) + return; + + REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), zorder, 27, 26); +} + +static void dispc_ovl_enable_zorder_planes(void) +{ + int i; + + if (!dss_has_feature(FEAT_ALPHA_FREE_ZORDER)) + return; + + for (i = 0; i < dss_feat_get_num_ovls(); i++) + REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(i), 1, 25, 25); +} + static void dispc_ovl_set_pre_mult_alpha(enum omap_plane plane, bool enable) { struct omap_overlay *ovl = omap_dss_get_overlay(plane); @@ -1866,6 +1887,7 @@ int dispc_ovl_setup(enum omap_plane plane, struct omap_overlay_info *oi, dispc_ovl_set_rotation_attrs(plane, oi->rotation, oi->mirror, oi->color_mode); + dispc_ovl_set_zorder(plane, oi->zorder); dispc_ovl_set_pre_mult_alpha(plane, oi->pre_mult_alpha); dispc_ovl_setup_global_alpha(plane, oi->global_alpha); @@ -3317,6 +3339,8 @@ static void _omap_dispc_initial_config(void) dispc_read_plane_fifo_sizes(); dispc_configure_burst_sizes(); + + dispc_ovl_enable_zorder_planes(); } /* DISPC HW IP initialisation */ diff --git a/drivers/video/omap2/dss/overlay.c b/drivers/video/omap2/dss/overlay.c index 11d21e3347ad..ab8e40e48759 100644 --- a/drivers/video/omap2/dss/overlay.c +++ b/drivers/video/omap2/dss/overlay.c @@ -311,6 +311,42 @@ static ssize_t overlay_pre_mult_alpha_store(struct omap_overlay *ovl, return size; } +static ssize_t overlay_zorder_show(struct omap_overlay *ovl, char *buf) +{ + return snprintf(buf, PAGE_SIZE, "%d\n", ovl->info.zorder); +} + +static ssize_t overlay_zorder_store(struct omap_overlay *ovl, + const char *buf, size_t size) +{ + int r; + u8 zorder; + struct omap_overlay_info info; + + if ((ovl->caps & OMAP_DSS_OVL_CAP_ZORDER) == 0) + return -ENODEV; + + r = kstrtou8(buf, 0, &zorder); + if (r) + return r; + + ovl->get_overlay_info(ovl, &info); + + info.zorder = zorder; + + r = ovl->set_overlay_info(ovl, &info); + if (r) + return r; + + if (ovl->manager) { + r = ovl->manager->apply(ovl->manager); + if (r) + return r; + } + + return size; +} + struct overlay_attribute { struct attribute attr; ssize_t (*show)(struct omap_overlay *, char *); @@ -337,6 +373,8 @@ static OVERLAY_ATTR(global_alpha, S_IRUGO|S_IWUSR, static OVERLAY_ATTR(pre_mult_alpha, S_IRUGO|S_IWUSR, overlay_pre_mult_alpha_show, overlay_pre_mult_alpha_store); +static OVERLAY_ATTR(zorder, S_IRUGO|S_IWUSR, + overlay_zorder_show, overlay_zorder_store); static struct attribute *overlay_sysfs_attrs[] = { &overlay_attr_name.attr, @@ -348,6 +386,7 @@ static struct attribute *overlay_sysfs_attrs[] = { &overlay_attr_enabled.attr, &overlay_attr_global_alpha.attr, &overlay_attr_pre_mult_alpha.attr, + &overlay_attr_zorder.attr, NULL }; @@ -397,6 +436,7 @@ int dss_check_overlay(struct omap_overlay *ovl, struct omap_dss_device *dssdev) struct omap_overlay_info *info; u16 outw, outh; u16 dw, dh; + int i; if (!dssdev) return 0; @@ -452,6 +492,31 @@ int dss_check_overlay(struct omap_overlay *ovl, struct omap_dss_device *dssdev) return -EINVAL; } + if (ovl->caps & OMAP_DSS_OVL_CAP_ZORDER) { + if (info->zorder < 0 || info->zorder > 3) { + DSSERR("zorder out of range: %d\n", + info->zorder); + return -EINVAL; + } + /* + * Check that zorder doesn't match with zorder of any other + * overlay which is enabled and is also connected to the same + * manager + */ + for (i = 0; i < omap_dss_get_num_overlays(); i++) { + struct omap_overlay *tmp_ovl = omap_dss_get_overlay(i); + + if (tmp_ovl->id != ovl->id && + tmp_ovl->manager == ovl->manager && + tmp_ovl->info.enabled == true && + tmp_ovl->info.zorder == info->zorder) { + DSSERR("%s and %s have same zorder: %d\n", + ovl->name, tmp_ovl->name, info->zorder); + return -EINVAL; + } + } + } + return 0; } @@ -604,21 +669,28 @@ void dss_init_overlays(struct platform_device *pdev) ovl->name = "gfx"; ovl->id = OMAP_DSS_GFX; ovl->info.global_alpha = 255; + ovl->info.zorder = 0; break; case 1: ovl->name = "vid1"; ovl->id = OMAP_DSS_VIDEO1; ovl->info.global_alpha = 255; + ovl->info.zorder = + dss_has_feature(FEAT_ALPHA_FREE_ZORDER) ? 3 : 0; break; case 2: ovl->name = "vid2"; ovl->id = OMAP_DSS_VIDEO2; ovl->info.global_alpha = 255; + ovl->info.zorder = + dss_has_feature(FEAT_ALPHA_FREE_ZORDER) ? 2 : 0; break; case 3: ovl->name = "vid3"; ovl->id = OMAP_DSS_VIDEO3; ovl->info.global_alpha = 255; + ovl->info.zorder = + dss_has_feature(FEAT_ALPHA_FREE_ZORDER) ? 1 : 0; break; } diff --git a/include/video/omapdss.h b/include/video/omapdss.h index 27d9cce25918..b66ebb2032c6 100644 --- a/include/video/omapdss.h +++ b/include/video/omapdss.h @@ -377,6 +377,7 @@ struct omap_overlay_info { u16 out_height; /* if 0, out_height == height */ u8 global_alpha; u8 pre_mult_alpha; + u8 zorder; }; struct omap_overlay { |
