143 	struct imx_lcdc *lcdc = imx_lcdc_from_drmdev(pipe->crtc.dev);  in imx_lcdc_update_hw_registers()  local
150 	writel(addr, lcdc->base + IMX21LCDC_LSSAR);  in imx_lcdc_update_hw_registers()
157 		clk_disable_unprepare(lcdc->clk_per);  in imx_lcdc_update_hw_registers()
162 	writel(framesize, lcdc->base + IMX21LCDC_LSR);  in imx_lcdc_update_hw_registers()
168 	writel(lhcr, lcdc->base + IMX21LCDC_LHCR);  in imx_lcdc_update_hw_registers()
174 	writel(lvcr, lcdc->base + IMX21LCDC_LVCR);  in imx_lcdc_update_hw_registers()
176 	lpcr = readl(lcdc->base + IMX21LCDC_LPCR);  in imx_lcdc_update_hw_registers()
179 	writel(lpcr, lcdc->base + IMX21LCDC_LPCR);  in imx_lcdc_update_hw_registers()
182 	writel(new_state->fb->pitches[0] / 4, lcdc->base + IMX21LCDC_LVPWR);  in imx_lcdc_update_hw_registers()
186 		clk_prepare_enable(lcdc->clk_per);  in imx_lcdc_update_hw_registers()
196 	struct imx_lcdc *lcdc = imx_lcdc_from_drmdev(pipe->crtc.dev);  in imx_lcdc_pipe_enable()  local
198 	struct drm_display_info *disp_info = &lcdc->connector->display_info;  in imx_lcdc_pipe_enable()
206 	clk_div = DIV_ROUND_CLOSEST_ULL(clk_get_rate(lcdc->clk_per),  in imx_lcdc_pipe_enable()
221 	       lcdc->base + IMX21LCDC_LPCR);  in imx_lcdc_pipe_enable()
224 	writel(0x00000000, lcdc->base + IMX21LCDC_LPOR);  in imx_lcdc_pipe_enable()
227 	writel(readl(lcdc->base + IMX21LCDC_LCPR) & ~(IMX21LCDC_LCPR_CC0 | IMX21LCDC_LCPR_CC1),  in imx_lcdc_pipe_enable()
228 	       lcdc->base + IMX21LCDC_LCPR);  in imx_lcdc_pipe_enable()
230 	ret = clk_prepare_enable(lcdc->clk_ipg);  in imx_lcdc_pipe_enable()
235 	ret = clk_prepare_enable(lcdc->clk_ahb);  in imx_lcdc_pipe_enable()
239 		clk_disable_unprepare(lcdc->clk_ipg);  in imx_lcdc_pipe_enable()
247 	writel(INTR_EOF, lcdc->base + IMX21LCDC_LIER);  in imx_lcdc_pipe_enable()
252 	struct imx_lcdc *lcdc = imx_lcdc_from_drmdev(pipe->crtc.dev);  in imx_lcdc_pipe_disable()  local
253 	struct drm_crtc *crtc = &lcdc->pipe.crtc;  in imx_lcdc_pipe_disable()
256 	clk_disable_unprepare(lcdc->clk_ahb);  in imx_lcdc_pipe_disable()
257 	clk_disable_unprepare(lcdc->clk_ipg);  in imx_lcdc_pipe_disable()
260 		clk_disable_unprepare(lcdc->clk_per);  in imx_lcdc_pipe_disable()
262 	spin_lock_irq(&lcdc->drm.event_lock);  in imx_lcdc_pipe_disable()
268 	spin_unlock_irq(&lcdc->drm.event_lock);  in imx_lcdc_pipe_disable()
271 	writel(0, lcdc->base + IMX21LCDC_LIER);  in imx_lcdc_pipe_disable()
347 	struct imx_lcdc *lcdc = imx_lcdc_from_drmdev(drm);  in imx_lcdc_release()  local
350 	kfree(lcdc);  in imx_lcdc_release()
378 	struct imx_lcdc *lcdc = arg;  in imx_lcdc_irq_handler()  local
379 	struct drm_crtc *crtc = &lcdc->pipe.crtc;  in imx_lcdc_irq_handler()
382 	status = readl(lcdc->base + IMX21LCDC_LISR);  in imx_lcdc_irq_handler()
394 	struct imx_lcdc *lcdc;  in imx_lcdc_probe()  local
401 	lcdc = devm_drm_dev_alloc(dev, &imx_lcdc_drm_driver,  in imx_lcdc_probe()
403 	if (IS_ERR(lcdc))  in imx_lcdc_probe()
404 		return PTR_ERR(lcdc);  in imx_lcdc_probe()
406 	drm = &lcdc->drm;  in imx_lcdc_probe()
408 	lcdc->base = devm_platform_ioremap_resource(pdev, 0);  in imx_lcdc_probe()
409 	if (IS_ERR(lcdc->base))  in imx_lcdc_probe()
410 		return dev_err_probe(dev, PTR_ERR(lcdc->base), "Cannot get IO memory\n");  in imx_lcdc_probe()
417 	lcdc->clk_ipg = devm_clk_get(dev, "ipg");  in imx_lcdc_probe()
418 	if (IS_ERR(lcdc->clk_ipg))  in imx_lcdc_probe()
419 		return dev_err_probe(dev, PTR_ERR(lcdc->clk_ipg), "Failed to get %s clk\n", "ipg");  in imx_lcdc_probe()
421 	lcdc->clk_ahb = devm_clk_get(dev, "ahb");  in imx_lcdc_probe()
422 	if (IS_ERR(lcdc->clk_ahb))  in imx_lcdc_probe()
423 		return dev_err_probe(dev, PTR_ERR(lcdc->clk_ahb), "Failed to get %s clk\n", "ahb");  in imx_lcdc_probe()
425 	lcdc->clk_per = devm_clk_get(dev, "per");  in imx_lcdc_probe()
426 	if (IS_ERR(lcdc->clk_per))  in imx_lcdc_probe()
427 		return dev_err_probe(dev, PTR_ERR(lcdc->clk_per), "Failed to get %s clk\n", "per");  in imx_lcdc_probe()
439 	ret = drm_simple_display_pipe_init(drm, &lcdc->pipe,  in imx_lcdc_probe()
450 	ret = drm_bridge_attach(&lcdc->pipe.encoder, bridge, NULL, DRM_BRIDGE_ATTACH_NO_CONNECTOR);  in imx_lcdc_probe()
454 	lcdc->connector = drm_bridge_connector_init(drm, &lcdc->pipe.encoder);  in imx_lcdc_probe()
455 	if (IS_ERR(lcdc->connector))  in imx_lcdc_probe()
456 		return dev_err_probe(drm->dev, PTR_ERR(lcdc->connector), "Cannot init bridge connector\n");  in imx_lcdc_probe()
458 	drm_connector_attach_encoder(lcdc->connector, &lcdc->pipe.encoder);  in imx_lcdc_probe()
472 	ret = clk_prepare_enable(lcdc->clk_ipg);  in imx_lcdc_probe()
475 	clk_disable_unprepare(lcdc->clk_ipg);  in imx_lcdc_probe()
477 	ret = clk_prepare_enable(lcdc->clk_per);  in imx_lcdc_probe()
480 	clk_disable_unprepare(lcdc->clk_per);  in imx_lcdc_probe()
482 	ret = clk_prepare_enable(lcdc->clk_ahb);  in imx_lcdc_probe()
485 	clk_disable_unprepare(lcdc->clk_ahb);  in imx_lcdc_probe()
503 	ret = devm_request_irq(dev, irq, imx_lcdc_irq_handler, 0, "imx-lcdc", lcdc);  in imx_lcdc_probe()
509 	ret = drm_dev_register(&lcdc->drm, 0);  in imx_lcdc_probe()