24 #include <drm/drm_aperture.h>
25 #include <drm/drm_atomic_helper.h>
26 #include <drm/drm_crtc.h>
27 #include <drm/drm_debugfs.h>
28 #include <drm/drm_drv.h>
29 #include <drm/drm_fbdev_dma.h>
30 #include <drm/drm_gem_dma_helper.h>
31 #include <drm/drm_gem_framebuffer_helper.h>
32 #include <drm/drm_modeset_helper.h>
33 #include <drm/drm_module.h>
34 #include <drm/drm_of.h>
35 #include <drm/drm_probe_helper.h>
36 #include <drm/drm_vblank.h>
99 static int hdlcd_load(struct drm_device *drm, unsigned long flags)  in hdlcd_load()  argument
101 	struct hdlcd_drm_private *hdlcd = drm_to_hdlcd_priv(drm);  in hdlcd_load()
102 	struct platform_device *pdev = to_platform_device(drm->dev);  in hdlcd_load()
106 	hdlcd->clk = devm_clk_get(drm->dev, "pxlclk");  in hdlcd_load()
135 	ret = of_reserved_mem_device_init(drm->dev);  in hdlcd_load()
139 	ret = dma_set_mask_and_coherent(drm->dev, DMA_BIT_MASK(32));  in hdlcd_load()
143 	ret = hdlcd_setup_crtc(drm);  in hdlcd_load()
165 	of_reserved_mem_device_release(drm->dev);  in hdlcd_load()
176 static int hdlcd_setup_mode_config(struct drm_device *drm)  in hdlcd_setup_mode_config()  argument
180 	ret = drmm_mode_config_init(drm);  in hdlcd_setup_mode_config()
184 	drm->mode_config.min_width = 0;  in hdlcd_setup_mode_config()
185 	drm->mode_config.min_height = 0;  in hdlcd_setup_mode_config()
186 	drm->mode_config.max_width = HDLCD_MAX_XRES;  in hdlcd_setup_mode_config()
187 	drm->mode_config.max_height = HDLCD_MAX_YRES;  in hdlcd_setup_mode_config()
188 	drm->mode_config.funcs = &hdlcd_mode_config_funcs;  in hdlcd_setup_mode_config()
197 	struct drm_device *drm = entry->dev;  in hdlcd_show_underrun_count()  local
198 	struct hdlcd_drm_private *hdlcd = drm_to_hdlcd_priv(drm);  in hdlcd_show_underrun_count()
210 	struct drm_device *drm = entry->dev;  in hdlcd_show_pxlclock()  local
211 	struct hdlcd_drm_private *hdlcd = drm_to_hdlcd_priv(drm);  in hdlcd_show_pxlclock()
233 	.desc = "ARM HDLCD Controller DRM",
241 	struct drm_device *drm;  in hdlcd_drm_bind()  local
249 	drm = &hdlcd->base;  in hdlcd_drm_bind()
251 	dev_set_drvdata(dev, drm);  in hdlcd_drm_bind()
253 	ret = hdlcd_setup_mode_config(drm);  in hdlcd_drm_bind()
257 	ret = hdlcd_load(drm, 0);  in hdlcd_drm_bind()
264 	ret = component_bind_all(dev, drm);  in hdlcd_drm_bind()
276 	ret = drm_vblank_init(drm, drm->mode_config.num_crtc);  in hdlcd_drm_bind()
291 	drm_mode_config_reset(drm);  in hdlcd_drm_bind()
292 	drm_kms_helper_poll_init(drm);  in hdlcd_drm_bind()
295 	drm_debugfs_add_files(drm, hdlcd_debugfs_list, ARRAY_SIZE(hdlcd_debugfs_list));  in hdlcd_drm_bind()
298 	ret = drm_dev_register(drm, 0);  in hdlcd_drm_bind()
302 	drm_fbdev_dma_setup(drm, 32);  in hdlcd_drm_bind()
307 	drm_kms_helper_poll_fini(drm);  in hdlcd_drm_bind()
309 	pm_runtime_disable(drm->dev);  in hdlcd_drm_bind()
311 	drm_atomic_helper_shutdown(drm);  in hdlcd_drm_bind()
312 	component_unbind_all(dev, drm);  in hdlcd_drm_bind()
317 	of_reserved_mem_device_release(drm->dev);  in hdlcd_drm_bind()
325 	struct drm_device *drm = dev_get_drvdata(dev);  in hdlcd_drm_unbind()  local
326 	struct hdlcd_drm_private *hdlcd = drm_to_hdlcd_priv(drm);  in hdlcd_drm_unbind()
328 	drm_dev_unregister(drm);  in hdlcd_drm_unbind()
329 	drm_kms_helper_poll_fini(drm);  in hdlcd_drm_unbind()
330 	component_unbind_all(dev, drm);  in hdlcd_drm_unbind()
334 	drm_atomic_helper_shutdown(drm);  in hdlcd_drm_unbind()
388 	struct drm_device *drm = dev_get_drvdata(dev);  in hdlcd_pm_suspend()  local
390 	return drm_mode_config_helper_suspend(drm);  in hdlcd_pm_suspend()
395 	struct drm_device *drm = dev_get_drvdata(dev);  in hdlcd_pm_resume()  local
397 	drm_mode_config_helper_resume(drm);  in hdlcd_pm_resume()
418 MODULE_DESCRIPTION("ARM HDLCD DRM driver");