52 static struct drm_framebuffer *tilcdc_fb_create(struct drm_device *dev,  in tilcdc_fb_create()  argument
55 	return drm_fb_cma_create(dev, file_priv, mode_cmd);  in tilcdc_fb_create()
58 static void tilcdc_fb_output_poll_changed(struct drm_device *dev)  in tilcdc_fb_output_poll_changed()  argument
60 	struct tilcdc_drm_private *priv = dev->dev_private;  in tilcdc_fb_output_poll_changed()
69 static int modeset_init(struct drm_device *dev)  in modeset_init()  argument
71 	struct tilcdc_drm_private *priv = dev->dev_private;  in modeset_init()
74 	drm_mode_config_init(dev);  in modeset_init()
76 	priv->crtc = tilcdc_crtc_create(dev);  in modeset_init()
80 		mod->funcs->modeset_init(mod, dev);  in modeset_init()
85 		dev_err(dev->dev, "no encoders/connectors found\n");  in modeset_init()
86 		drm_mode_config_cleanup(dev);  in modeset_init()
90 	dev->mode_config.min_width = 0;  in modeset_init()
91 	dev->mode_config.min_height = 0;  in modeset_init()
92 	dev->mode_config.max_width = tilcdc_crtc_max_width(priv->crtc);  in modeset_init()
93 	dev->mode_config.max_height = 2048;  in modeset_init()
94 	dev->mode_config.funcs = &mode_config_funcs;  in modeset_init()
120 static int tilcdc_unload(struct drm_device *dev)  in tilcdc_unload()  argument
122 	struct tilcdc_drm_private *priv = dev->dev_private;  in tilcdc_unload()
125 	drm_kms_helper_poll_fini(dev);  in tilcdc_unload()
126 	drm_mode_config_cleanup(dev);  in tilcdc_unload()
127 	drm_vblank_cleanup(dev);  in tilcdc_unload()
129 	pm_runtime_get_sync(dev->dev);  in tilcdc_unload()
130 	drm_irq_uninstall(dev);  in tilcdc_unload()
131 	pm_runtime_put_sync(dev->dev);  in tilcdc_unload()
147 	dev->dev_private = NULL;  in tilcdc_unload()
149 	pm_runtime_disable(dev->dev);  in tilcdc_unload()
156 static int tilcdc_load(struct drm_device *dev, unsigned long flags)  in tilcdc_load()  argument
158 	struct platform_device *pdev = dev->platformdev;  in tilcdc_load()
159 	struct device_node *node = pdev->dev.of_node;  in tilcdc_load()
168 		dev_err(dev->dev, "failed to allocate private data\n");  in tilcdc_load()
172 	dev->dev_private = priv;  in tilcdc_load()
182 		dev_err(dev->dev, "failed to get memory resource\n");  in tilcdc_load()
189 		dev_err(dev->dev, "failed to ioremap\n");  in tilcdc_load()
194 	priv->clk = clk_get(dev->dev, "fck");  in tilcdc_load()
196 		dev_err(dev->dev, "failed to get functional clock\n");  in tilcdc_load()
201 	priv->disp_clk = clk_get(dev->dev, "dpll_disp_ck");  in tilcdc_load()
203 		dev_err(dev->dev, "failed to get display clock\n");  in tilcdc_load()
214 		dev_err(dev->dev, "failed to register cpufreq notifier\n");  in tilcdc_load()
235 	pm_runtime_enable(dev->dev);  in tilcdc_load()
238 	pm_runtime_get_sync(dev->dev);  in tilcdc_load()
239 	switch (tilcdc_read(dev, LCDC_PID_REG)) {  in tilcdc_load()
248 		dev_warn(dev->dev, "Unknown PID Reg value 0x%08x, "  in tilcdc_load()
250 				tilcdc_read(dev, LCDC_PID_REG));  in tilcdc_load()
255 	pm_runtime_put_sync(dev->dev);  in tilcdc_load()
257 	ret = modeset_init(dev);  in tilcdc_load()
259 		dev_err(dev->dev, "failed to initialize mode setting\n");  in tilcdc_load()
263 	ret = drm_vblank_init(dev, 1);  in tilcdc_load()
265 		dev_err(dev->dev, "failed to initialize vblank\n");  in tilcdc_load()
269 	pm_runtime_get_sync(dev->dev);  in tilcdc_load()
270 	ret = drm_irq_install(dev, platform_get_irq(dev->platformdev, 0));  in tilcdc_load()
271 	pm_runtime_put_sync(dev->dev);  in tilcdc_load()
273 		dev_err(dev->dev, "failed to install IRQ handler\n");  in tilcdc_load()
277 	platform_set_drvdata(pdev, dev);  in tilcdc_load()
287 	priv->fbdev = drm_fbdev_cma_init(dev, bpp,  in tilcdc_load()
288 			dev->mode_config.num_crtc,  in tilcdc_load()
289 			dev->mode_config.num_connector);  in tilcdc_load()
295 	drm_kms_helper_poll_init(dev);  in tilcdc_load()
300 	pm_runtime_get_sync(dev->dev);  in tilcdc_load()
301 	drm_irq_uninstall(dev);  in tilcdc_load()
302 	pm_runtime_put_sync(dev->dev);  in tilcdc_load()
305 	drm_vblank_cleanup(dev);  in tilcdc_load()
308 	drm_mode_config_cleanup(dev);  in tilcdc_load()
311 	pm_runtime_disable(dev->dev);  in tilcdc_load()
330 	dev->dev_private = NULL;  in tilcdc_load()
335 static void tilcdc_preclose(struct drm_device *dev, struct drm_file *file)  in tilcdc_preclose()  argument
337 	struct tilcdc_drm_private *priv = dev->dev_private;  in tilcdc_preclose()
342 static void tilcdc_lastclose(struct drm_device *dev)  in tilcdc_lastclose()  argument
344 	struct tilcdc_drm_private *priv = dev->dev_private;  in tilcdc_lastclose()
350 	struct drm_device *dev = arg;  in tilcdc_irq()  local
351 	struct tilcdc_drm_private *priv = dev->dev_private;  in tilcdc_irq()
355 static void tilcdc_irq_preinstall(struct drm_device *dev)  in tilcdc_irq_preinstall()  argument
357 	tilcdc_clear_irqstatus(dev, 0xffffffff);  in tilcdc_irq_preinstall()
360 static int tilcdc_irq_postinstall(struct drm_device *dev)  in tilcdc_irq_postinstall()  argument
362 	struct tilcdc_drm_private *priv = dev->dev_private;  in tilcdc_irq_postinstall()
366 		tilcdc_set(dev, LCDC_RASTER_CTRL_REG, LCDC_V1_UNDERFLOW_INT_ENA);  in tilcdc_irq_postinstall()
368 		tilcdc_set(dev, LCDC_INT_ENABLE_SET_REG, LCDC_V2_UNDERFLOW_INT_ENA);  in tilcdc_irq_postinstall()
373 static void tilcdc_irq_uninstall(struct drm_device *dev)  in tilcdc_irq_uninstall()  argument
375 	struct tilcdc_drm_private *priv = dev->dev_private;  in tilcdc_irq_uninstall()
379 		tilcdc_clear(dev, LCDC_RASTER_CTRL_REG,  in tilcdc_irq_uninstall()
381 		tilcdc_clear(dev, LCDC_DMA_CTRL_REG, LCDC_V1_END_OF_FRAME_INT_ENA);  in tilcdc_irq_uninstall()
383 		tilcdc_clear(dev, LCDC_INT_ENABLE_SET_REG,  in tilcdc_irq_uninstall()
391 static void enable_vblank(struct drm_device *dev, bool enable)  in enable_vblank()  argument
393 	struct tilcdc_drm_private *priv = dev->dev_private;  in enable_vblank()
406 		tilcdc_set(dev, reg, mask);  in enable_vblank()
408 		tilcdc_clear(dev, reg, mask);  in enable_vblank()
411 static int tilcdc_enable_vblank(struct drm_device *dev, int crtc)  in tilcdc_enable_vblank()  argument
413 	enable_vblank(dev, true);  in tilcdc_enable_vblank()
417 static void tilcdc_disable_vblank(struct drm_device *dev, int crtc)  in tilcdc_disable_vblank()  argument
419 	enable_vblank(dev, false);  in tilcdc_disable_vblank()
459 	struct drm_device *dev = node->minor->dev;  in tilcdc_regs_show()  local
460 	struct tilcdc_drm_private *priv = dev->dev_private;  in tilcdc_regs_show()
463 	pm_runtime_get_sync(dev->dev);  in tilcdc_regs_show()
470 					tilcdc_read(dev, registers[i].reg));  in tilcdc_regs_show()
472 	pm_runtime_put_sync(dev->dev);  in tilcdc_regs_show()
480 	struct drm_device *dev = node->minor->dev;  in tilcdc_mm_show()  local
481 	return drm_mm_dump_table(m, &dev->vma_offset_manager->vm_addr_space_mm);  in tilcdc_mm_show()
492 	struct drm_device *dev = minor->dev;  in tilcdc_debugfs_init()  local
505 		dev_err(dev->dev, "could not install tilcdc_debugfs_list\n");  in tilcdc_debugfs_init()
574 static int tilcdc_pm_suspend(struct device *dev)  in tilcdc_pm_suspend()  argument
576 	struct drm_device *ddev = dev_get_drvdata(dev);  in tilcdc_pm_suspend()
590 static int tilcdc_pm_resume(struct device *dev)  in tilcdc_pm_resume()  argument
592 	struct drm_device *ddev = dev_get_drvdata(dev);  in tilcdc_pm_resume()
618 	if (!pdev->dev.of_node) {  in tilcdc_pdev_probe()
619 		dev_err(&pdev->dev, "device-tree data is missing\n");  in tilcdc_pdev_probe()