static int s3cfb_blank(int blank_mode, struct fb_info *fb) { struct s3cfb_window *win = fb->par; struct s3cfb_global *fbdev = platform_get_drvdata(to_platform_device(fb->device)); dev_dbg(fbdev->dev, "change blank mode\n"); switch (blank_mode) { case FB_BLANK_UNBLANK: if (fb->fix.smem_start) { s3cfb_win_map_off(fbdev, win->id); s3cfb_set_window(fbdev, win->id, 1); } else dev_info(fbdev->dev, "[fb%d] no allocated memory for unblank\n", win->id); break; case FB_BLANK_NORMAL: s3cfb_win_map_on(fbdev, win->id, 0); s3cfb_set_window(fbdev, win->id, 1); break; case FB_BLANK_POWERDOWN: s3cfb_set_window(fbdev, win->id, 0); s3cfb_win_map_off(fbdev, win->id); break; case FB_BLANK_VSYNC_SUSPEND: case FB_BLANK_HSYNC_SUSPEND: default: dev_dbg(fbdev->dev, "unsupported blank mode\n"); return -EINVAL; } return 0; }
int s3cfb_blank(int blank_mode, struct fb_info *fb) { struct s3cfb_window *win = fb->par; struct s3cfb_window *tmp_win; struct s3cfb_global *fbdev = get_fimd_global(fb->node); struct platform_device *pdev = to_platform_device(fbdev->dev); struct s3c_platform_fb *pdata = to_fb_plat(fbdev->dev); int enabled_win = 0; int i; dev_dbg(fbdev->dev, "change blank mode\n"); switch (blank_mode) { case FB_BLANK_UNBLANK: if (!fb->fix.smem_start) { dev_info(fbdev->dev, \ "[fb%d] no allocated memory for unblank\n", win->id); break; } if (win->power_state == FB_BLANK_UNBLANK) { dev_info(fbdev->dev, \ "[fb%d] already in FB_BLANK_UNBLANK\n", win->id); break; } else { s3cfb_update_power_state(fbdev, win->id, FB_BLANK_UNBLANK); } enabled_win = atomic_read(&fbdev->enabled_win); if (enabled_win == 0) { pdata->clk_on(pdev, &fbdev->clock); s3cfb_init_global(fbdev); s3cfb_set_clock(fbdev); for (i = 0; i < pdata->nr_wins; i++) { tmp_win = fbdev->fb[i]->par; if (tmp_win->owner == DMA_MEM_FIMD) s3cfb_set_win_params(fbdev, tmp_win->id); } } if (win->enabled) /* from FB_BLANK_NORMAL */ s3cfb_win_map_off(fbdev, win->id); else /* from FB_BLANK_POWERDOWN */ s3cfb_enable_window(fbdev, win->id); if (enabled_win == 0) { s3cfb_display_on(fbdev); if (pdata->backlight_on) pdata->backlight_on(pdev); if (pdata->lcd_on) pdata->lcd_on(pdev); if (fbdev->lcd->init_ldi) fbdev->lcd->init_ldi(); } break; case FB_BLANK_NORMAL: if (win->power_state == FB_BLANK_NORMAL) { dev_info(fbdev->dev, \ "[fb%d] already in FB_BLANK_NORMAL\n", win->id); break; } else { s3cfb_update_power_state(fbdev, win->id, FB_BLANK_NORMAL); } enabled_win = atomic_read(&fbdev->enabled_win); if (enabled_win == 0) { pdata->clk_on(pdev, &fbdev->clock); s3cfb_init_global(fbdev); s3cfb_set_clock(fbdev); for (i = 0; i < pdata->nr_wins; i++) { tmp_win = fbdev->fb[i]->par; if (tmp_win->owner == DMA_MEM_FIMD) s3cfb_set_win_params(fbdev, tmp_win->id); } } s3cfb_win_map_on(fbdev, win->id, 0x0); if (!win->enabled) /* from FB_BLANK_POWERDOWN */ s3cfb_enable_window(fbdev, win->id); if (enabled_win == 0) { s3cfb_display_on(fbdev); if (pdata->backlight_on) pdata->backlight_on(pdev); if (pdata->lcd_on) pdata->lcd_on(pdev); if (fbdev->lcd->init_ldi) fbdev->lcd->init_ldi(); } break; case FB_BLANK_POWERDOWN: if (win->power_state == FB_BLANK_POWERDOWN) { dev_info(fbdev->dev, \ "[fb%d] already in FB_BLANK_POWERDOWN\n", win->id); break; } else { s3cfb_update_power_state(fbdev, win->id, FB_BLANK_POWERDOWN); } s3cfb_disable_window(fbdev, win->id); s3cfb_win_map_off(fbdev, win->id); if (atomic_read(&fbdev->enabled_win) == 0) { if (pdata->backlight_off) pdata->backlight_off(pdev); if (fbdev->lcd->deinit_ldi) fbdev->lcd->deinit_ldi(); if (pdata->lcd_off) pdata->lcd_off(pdev); s3cfb_display_off(fbdev); pdata->clk_off(pdev, &fbdev->clock); } break; case FB_BLANK_VSYNC_SUSPEND: /* fall through */ case FB_BLANK_HSYNC_SUSPEND: /* fall through */ default: dev_dbg(fbdev->dev, "unsupported blank mode\n"); return -EINVAL; } return 0; }