48 static struct drm_framebuffer *tilcdc_fb_create(struct drm_device *dev,  in tilcdc_fb_create()  argument
51 	return drm_fb_cma_create(dev, file_priv, mode_cmd);  in tilcdc_fb_create()
54 static void tilcdc_fb_output_poll_changed(struct drm_device *dev)  in tilcdc_fb_output_poll_changed()  argument
56 	struct tilcdc_drm_private *priv = dev->dev_private;  in tilcdc_fb_output_poll_changed()
65 static int modeset_init(struct drm_device *dev)  in modeset_init()  argument
67 	struct tilcdc_drm_private *priv = dev->dev_private;  in modeset_init()
70 	drm_mode_config_init(dev);  in modeset_init()
72 	priv->crtc = tilcdc_crtc_create(dev);  in modeset_init()
76 		mod->funcs->modeset_init(mod, dev);  in modeset_init()
79 	dev->mode_config.min_width = 0;  in modeset_init()
80 	dev->mode_config.min_height = 0;  in modeset_init()
81 	dev->mode_config.max_width = tilcdc_crtc_max_width(priv->crtc);  in modeset_init()
82 	dev->mode_config.max_height = 2048;  in modeset_init()
83 	dev->mode_config.funcs = &mode_config_funcs;  in modeset_init()
109 static int tilcdc_unload(struct drm_device *dev)  in tilcdc_unload()  argument
111 	struct tilcdc_drm_private *priv = dev->dev_private;  in tilcdc_unload()
113 	tilcdc_remove_external_encoders(dev);  in tilcdc_unload()
116 	drm_kms_helper_poll_fini(dev);  in tilcdc_unload()
117 	drm_mode_config_cleanup(dev);  in tilcdc_unload()
118 	drm_vblank_cleanup(dev);  in tilcdc_unload()
120 	pm_runtime_get_sync(dev->dev);  in tilcdc_unload()
121 	drm_irq_uninstall(dev);  in tilcdc_unload()
122 	pm_runtime_put_sync(dev->dev);  in tilcdc_unload()
138 	dev->dev_private = NULL;  in tilcdc_unload()
140 	pm_runtime_disable(dev->dev);  in tilcdc_unload()
147 static int tilcdc_load(struct drm_device *dev, unsigned long flags)  in tilcdc_load()  argument
149 	struct platform_device *pdev = dev->platformdev;  in tilcdc_load()
150 	struct device_node *node = pdev->dev.of_node;  in tilcdc_load()
159 		dev_err(dev->dev, "failed to allocate private data\n");  in tilcdc_load()
163 	dev->dev_private = priv;  in tilcdc_load()
166 		tilcdc_get_external_components(dev->dev, NULL) > 0;  in tilcdc_load()
176 		dev_err(dev->dev, "failed to get memory resource\n");  in tilcdc_load()
183 		dev_err(dev->dev, "failed to ioremap\n");  in tilcdc_load()
188 	priv->clk = clk_get(dev->dev, "fck");  in tilcdc_load()
190 		dev_err(dev->dev, "failed to get functional clock\n");  in tilcdc_load()
195 	priv->disp_clk = clk_get(dev->dev, "dpll_disp_ck");  in tilcdc_load()
197 		dev_err(dev->dev, "failed to get display clock\n");  in tilcdc_load()
208 		dev_err(dev->dev, "failed to register cpufreq notifier\n");  in tilcdc_load()
229 	pm_runtime_enable(dev->dev);  in tilcdc_load()
230 	pm_runtime_irq_safe(dev->dev);  in tilcdc_load()
233 	pm_runtime_get_sync(dev->dev);  in tilcdc_load()
234 	switch (tilcdc_read(dev, LCDC_PID_REG)) {  in tilcdc_load()
243 		dev_warn(dev->dev, "Unknown PID Reg value 0x%08x, "  in tilcdc_load()
245 				tilcdc_read(dev, LCDC_PID_REG));  in tilcdc_load()
250 	pm_runtime_put_sync(dev->dev);  in tilcdc_load()
252 	ret = modeset_init(dev);  in tilcdc_load()
254 		dev_err(dev->dev, "failed to initialize mode setting\n");  in tilcdc_load()
258 	platform_set_drvdata(pdev, dev);  in tilcdc_load()
261 		ret = component_bind_all(dev->dev, dev);  in tilcdc_load()
265 		ret = tilcdc_add_external_encoders(dev, &bpp);  in tilcdc_load()
271 		dev_err(dev->dev, "no encoders/connectors found\n");  in tilcdc_load()
276 	ret = drm_vblank_init(dev, 1);  in tilcdc_load()
278 		dev_err(dev->dev, "failed to initialize vblank\n");  in tilcdc_load()
282 	pm_runtime_get_sync(dev->dev);  in tilcdc_load()
283 	ret = drm_irq_install(dev, platform_get_irq(dev->platformdev, 0));  in tilcdc_load()
284 	pm_runtime_put_sync(dev->dev);  in tilcdc_load()
286 		dev_err(dev->dev, "failed to install IRQ handler\n");  in tilcdc_load()
297 	priv->fbdev = drm_fbdev_cma_init(dev, bpp,  in tilcdc_load()
298 			dev->mode_config.num_crtc,  in tilcdc_load()
299 			dev->mode_config.num_connector);  in tilcdc_load()
305 	drm_kms_helper_poll_init(dev);  in tilcdc_load()
310 	pm_runtime_get_sync(dev->dev);  in tilcdc_load()
311 	drm_irq_uninstall(dev);  in tilcdc_load()
312 	pm_runtime_put_sync(dev->dev);  in tilcdc_load()
315 	drm_vblank_cleanup(dev);  in tilcdc_load()
318 	drm_mode_config_cleanup(dev);  in tilcdc_load()
322 		component_unbind_all(dev->dev, dev);  in tilcdc_load()
325 	tilcdc_remove_external_encoders(dev);  in tilcdc_load()
328 	pm_runtime_disable(dev->dev);  in tilcdc_load()
347 	dev->dev_private = NULL;  in tilcdc_load()
352 static void tilcdc_preclose(struct drm_device *dev, struct drm_file *file)  in tilcdc_preclose()  argument
354 	struct tilcdc_drm_private *priv = dev->dev_private;  in tilcdc_preclose()
359 static void tilcdc_lastclose(struct drm_device *dev)  in tilcdc_lastclose()  argument
361 	struct tilcdc_drm_private *priv = dev->dev_private;  in tilcdc_lastclose()
367 	struct drm_device *dev = arg;  in tilcdc_irq()  local
368 	struct tilcdc_drm_private *priv = dev->dev_private;  in tilcdc_irq()
372 static void tilcdc_irq_preinstall(struct drm_device *dev)  in tilcdc_irq_preinstall()  argument
374 	tilcdc_clear_irqstatus(dev, 0xffffffff);  in tilcdc_irq_preinstall()
377 static int tilcdc_irq_postinstall(struct drm_device *dev)  in tilcdc_irq_postinstall()  argument
379 	struct tilcdc_drm_private *priv = dev->dev_private;  in tilcdc_irq_postinstall()
383 		tilcdc_set(dev, LCDC_RASTER_CTRL_REG, LCDC_V1_UNDERFLOW_INT_ENA);  in tilcdc_irq_postinstall()
385 		tilcdc_set(dev, LCDC_INT_ENABLE_SET_REG, LCDC_V2_UNDERFLOW_INT_ENA);  in tilcdc_irq_postinstall()
390 static void tilcdc_irq_uninstall(struct drm_device *dev)  in tilcdc_irq_uninstall()  argument
392 	struct tilcdc_drm_private *priv = dev->dev_private;  in tilcdc_irq_uninstall()
396 		tilcdc_clear(dev, LCDC_RASTER_CTRL_REG,  in tilcdc_irq_uninstall()
398 		tilcdc_clear(dev, LCDC_DMA_CTRL_REG, LCDC_V1_END_OF_FRAME_INT_ENA);  in tilcdc_irq_uninstall()
400 		tilcdc_clear(dev, LCDC_INT_ENABLE_SET_REG,  in tilcdc_irq_uninstall()
408 static void enable_vblank(struct drm_device *dev, bool enable)  in enable_vblank()  argument
410 	struct tilcdc_drm_private *priv = dev->dev_private;  in enable_vblank()
423 		tilcdc_set(dev, reg, mask);  in enable_vblank()
425 		tilcdc_clear(dev, reg, mask);  in enable_vblank()
428 static int tilcdc_enable_vblank(struct drm_device *dev, unsigned int pipe)  in tilcdc_enable_vblank()  argument
430 	enable_vblank(dev, true);  in tilcdc_enable_vblank()
434 static void tilcdc_disable_vblank(struct drm_device *dev, unsigned int pipe)  in tilcdc_disable_vblank()  argument
436 	enable_vblank(dev, false);  in tilcdc_disable_vblank()
476 	struct drm_device *dev = node->minor->dev;  in tilcdc_regs_show()  local
477 	struct tilcdc_drm_private *priv = dev->dev_private;  in tilcdc_regs_show()
480 	pm_runtime_get_sync(dev->dev);  in tilcdc_regs_show()
487 					tilcdc_read(dev, registers[i].reg));  in tilcdc_regs_show()
489 	pm_runtime_put_sync(dev->dev);  in tilcdc_regs_show()
497 	struct drm_device *dev = node->minor->dev;  in tilcdc_mm_show()  local
498 	return drm_mm_dump_table(m, &dev->vma_offset_manager->vm_addr_space_mm);  in tilcdc_mm_show()
509 	struct drm_device *dev = minor->dev;  in tilcdc_debugfs_init()  local
522 		dev_err(dev->dev, "could not install tilcdc_debugfs_list\n");  in tilcdc_debugfs_init()
591 static int tilcdc_pm_suspend(struct device *dev)  in tilcdc_pm_suspend()  argument
593 	struct drm_device *ddev = dev_get_drvdata(dev);  in tilcdc_pm_suspend()
607 static int tilcdc_pm_resume(struct device *dev)  in tilcdc_pm_resume()  argument
609 	struct drm_device *ddev = dev_get_drvdata(dev);  in tilcdc_pm_resume()
632 static int tilcdc_bind(struct device *dev)  in tilcdc_bind()  argument
634 	return drm_platform_init(&tilcdc_driver, to_platform_device(dev));  in tilcdc_bind()
637 static void tilcdc_unbind(struct device *dev)  in tilcdc_unbind()  argument
639 	drm_put_dev(dev_get_drvdata(dev));  in tilcdc_unbind()
653 	if (!pdev->dev.of_node) {  in tilcdc_pdev_probe()
654 		dev_err(&pdev->dev, "device-tree data is missing\n");  in tilcdc_pdev_probe()
658 	ret = tilcdc_get_external_components(&pdev->dev, &match);  in tilcdc_pdev_probe()
664 		return component_master_add_with_match(&pdev->dev,  in tilcdc_pdev_probe()
671 	struct drm_device *ddev = dev_get_drvdata(&pdev->dev);  in tilcdc_pdev_remove()
679 		component_master_del(&pdev->dev, &tilcdc_comp_ops);  in tilcdc_pdev_remove()