static void sti_mixer_set_background_area(struct sti_mixer *mixer, struct drm_display_mode *mode) { u32 ydo, xdo, yds, xds; ydo = sti_vtg_get_line_number(*mode, 0); yds = sti_vtg_get_line_number(*mode, mode->vdisplay - 1); xdo = sti_vtg_get_pixel_number(*mode, 0); xds = sti_vtg_get_pixel_number(*mode, mode->hdisplay - 1); sti_mixer_reg_write(mixer, GAM_MIXER_BCO, ydo << 16 | xdo); sti_mixer_reg_write(mixer, GAM_MIXER_BCS, yds << 16 | xds); }
int sti_mixer_active_video_area(struct sti_mixer *mixer, struct drm_display_mode *mode) { u32 ydo, xdo, yds, xds; ydo = sti_vtg_get_line_number(*mode, 0); yds = sti_vtg_get_line_number(*mode, mode->vdisplay - 1); xdo = sti_vtg_get_pixel_number(*mode, 0); xds = sti_vtg_get_pixel_number(*mode, mode->hdisplay - 1); DRM_DEBUG_DRIVER("%s active video area xdo:%d ydo:%d xds:%d yds:%d\n", sti_mixer_to_str(mixer), xdo, ydo, xds, yds); sti_mixer_reg_write(mixer, GAM_MIXER_AVO, ydo << 16 | xdo); sti_mixer_reg_write(mixer, GAM_MIXER_AVS, yds << 16 | xds); sti_mixer_set_background_color(mixer, 0xFF, 0, 0); sti_mixer_set_background_area(mixer, mode); sti_mixer_set_background_status(mixer, true); return 0; }
/** * sti_gdp_prepare_layer * @lay: gdp layer * @first_prepare: true if it is the first time this function is called * * Update the free GDP node list according to the layer properties. * * RETURNS: * 0 on success. */ static int sti_gdp_prepare_layer(struct sti_layer *layer, bool first_prepare) { struct sti_gdp_node_list *list; struct sti_gdp_node *top_field, *btm_field; struct drm_display_mode *mode = layer->mode; struct device *dev = layer->dev; struct sti_gdp *gdp = to_sti_gdp(layer); struct sti_compositor *compo = dev_get_drvdata(dev); int format; unsigned int depth, bpp; int rate = mode->clock * 1000; int res; u32 ydo, xdo, yds, xds; list = sti_gdp_get_free_nodes(layer); top_field = list->top_field; btm_field = list->btm_field; dev_dbg(dev, "%s %s top_node:0x%p btm_node:0x%p\n", __func__, sti_layer_to_str(layer), top_field, btm_field); /* Build the top field from layer params */ top_field->gam_gdp_agc = GAM_GDP_AGC_FULL_RANGE; top_field->gam_gdp_ctl = WAIT_NEXT_VSYNC; format = sti_gdp_fourcc2format(layer->format); if (format == -1) { DRM_ERROR("Format not supported by GDP %.4s\n", (char *)&layer->format); return 1; } top_field->gam_gdp_ctl |= format; top_field->gam_gdp_ctl |= sti_gdp_get_alpharange(format); top_field->gam_gdp_ppt &= ~GAM_GDP_PPT_IGNORE; /* pixel memory location */ drm_fb_get_bpp_depth(layer->format, &depth, &bpp); top_field->gam_gdp_pml = (u32) layer->paddr + layer->offsets[0]; top_field->gam_gdp_pml += layer->src_x * (bpp >> 3); top_field->gam_gdp_pml += layer->src_y * layer->pitches[0]; /* input parameters */ top_field->gam_gdp_pmp = layer->pitches[0]; top_field->gam_gdp_size = clamp_val(layer->src_h, 0, GAM_GDP_SIZE_MAX) << 16 | clamp_val(layer->src_w, 0, GAM_GDP_SIZE_MAX); /* output parameters */ ydo = sti_vtg_get_line_number(*mode, layer->dst_y); yds = sti_vtg_get_line_number(*mode, layer->dst_y + layer->dst_h - 1); xdo = sti_vtg_get_pixel_number(*mode, layer->dst_x); xds = sti_vtg_get_pixel_number(*mode, layer->dst_x + layer->dst_w - 1); top_field->gam_gdp_vpo = (ydo << 16) | xdo; top_field->gam_gdp_vps = (yds << 16) | xds; /* Same content and chained together */ memcpy(btm_field, top_field, sizeof(*btm_field)); top_field->gam_gdp_nvn = virt_to_dma(dev, btm_field); btm_field->gam_gdp_nvn = virt_to_dma(dev, top_field); /* Interlaced mode */ if (layer->mode->flags & DRM_MODE_FLAG_INTERLACE) btm_field->gam_gdp_pml = top_field->gam_gdp_pml + layer->pitches[0]; if (first_prepare) { /* Register gdp callback */ if (sti_vtg_register_client(layer->mixer_id == STI_MIXER_MAIN ? compo->vtg_main : compo->vtg_aux, &gdp->vtg_field_nb, layer->mixer_id)) { DRM_ERROR("Cannot register VTG notifier\n"); return 1; } /* Set and enable gdp clock */ if (gdp->clk_pix) { res = clk_set_rate(gdp->clk_pix, rate); if (res < 0) { DRM_ERROR("Cannot set rate (%dHz) for gdp\n", rate); return 1; } if (clk_prepare_enable(gdp->clk_pix)) { DRM_ERROR("Failed to prepare/enable gdp\n"); return 1; } } } return 0; }