76 static int rockchip_dp_pre_init(struct rockchip_dp_device *dp)  in rockchip_dp_pre_init()  argument
78 	reset_control_assert(dp->rst);  in rockchip_dp_pre_init()
80 	reset_control_deassert(dp->rst);  in rockchip_dp_pre_init()
87 	struct rockchip_dp_device *dp = to_dp(plat_data);  in rockchip_dp_poweron_start()  local
90 	ret = clk_prepare_enable(dp->pclk);  in rockchip_dp_poweron_start()
92 		DRM_DEV_ERROR(dp->dev, "failed to enable pclk %d\n", ret);  in rockchip_dp_poweron_start()
96 	ret = rockchip_dp_pre_init(dp);  in rockchip_dp_poweron_start()
98 		DRM_DEV_ERROR(dp->dev, "failed to dp pre init %d\n", ret);  in rockchip_dp_poweron_start()
99 		clk_disable_unprepare(dp->pclk);  in rockchip_dp_poweron_start()
108 	struct rockchip_dp_device *dp = to_dp(plat_data);  in rockchip_dp_powerdown()  local
110 	clk_disable_unprepare(dp->pclk);  in rockchip_dp_powerdown()
169 	struct rockchip_dp_device *dp = to_dp(encoder);  in rockchip_dp_drm_encoder_enable()  local
184 	ret = drm_of_encoder_active_endpoint_id(dp->dev->of_node, encoder);  in rockchip_dp_drm_encoder_enable()
189 		val = dp->data->lcdsel_lit;  in rockchip_dp_drm_encoder_enable()
191 		val = dp->data->lcdsel_big;  in rockchip_dp_drm_encoder_enable()
193 	DRM_DEV_DEBUG(dp->dev, "vop %s output to dp\n", (ret) ? "LIT" : "BIG");  in rockchip_dp_drm_encoder_enable()
195 	ret = clk_prepare_enable(dp->grfclk);  in rockchip_dp_drm_encoder_enable()
197 		DRM_DEV_ERROR(dp->dev, "failed to enable grfclk %d\n", ret);  in rockchip_dp_drm_encoder_enable()
201 	ret = regmap_write(dp->grf, dp->data->lcdsel_grf_reg, val);  in rockchip_dp_drm_encoder_enable()
203 		DRM_DEV_ERROR(dp->dev, "Could not write to GRF: %d\n", ret);  in rockchip_dp_drm_encoder_enable()
205 	clk_disable_unprepare(dp->grfclk);  in rockchip_dp_drm_encoder_enable()
211 	struct rockchip_dp_device *dp = to_dp(encoder);  in rockchip_dp_drm_encoder_disable()  local
228 		DRM_DEV_ERROR(dp->dev, "line flag irq timed out\n");  in rockchip_dp_drm_encoder_disable()
262 static int rockchip_dp_of_probe(struct rockchip_dp_device *dp)  in rockchip_dp_of_probe()  argument
264 	struct device *dev = dp->dev;  in rockchip_dp_of_probe()
267 	dp->grf = syscon_regmap_lookup_by_phandle(np, "rockchip,grf");  in rockchip_dp_of_probe()
268 	if (IS_ERR(dp->grf)) {  in rockchip_dp_of_probe()
270 		return PTR_ERR(dp->grf);  in rockchip_dp_of_probe()
273 	dp->grfclk = devm_clk_get(dev, "grf");  in rockchip_dp_of_probe()
274 	if (PTR_ERR(dp->grfclk) == -ENOENT) {  in rockchip_dp_of_probe()
275 		dp->grfclk = NULL;  in rockchip_dp_of_probe()
276 	} else if (PTR_ERR(dp->grfclk) == -EPROBE_DEFER) {  in rockchip_dp_of_probe()
278 	} else if (IS_ERR(dp->grfclk)) {  in rockchip_dp_of_probe()
280 		return PTR_ERR(dp->grfclk);  in rockchip_dp_of_probe()
283 	dp->pclk = devm_clk_get(dev, "pclk");  in rockchip_dp_of_probe()
284 	if (IS_ERR(dp->pclk)) {  in rockchip_dp_of_probe()
286 		return PTR_ERR(dp->pclk);  in rockchip_dp_of_probe()
289 	dp->rst = devm_reset_control_get(dev, "dp");  in rockchip_dp_of_probe()
290 	if (IS_ERR(dp->rst)) {  in rockchip_dp_of_probe()
292 		return PTR_ERR(dp->rst);  in rockchip_dp_of_probe()
298 static int rockchip_dp_drm_create_encoder(struct rockchip_dp_device *dp)  in rockchip_dp_drm_create_encoder()  argument
300 	struct drm_encoder *encoder = &dp->encoder;  in rockchip_dp_drm_create_encoder()
301 	struct drm_device *drm_dev = dp->drm_dev;  in rockchip_dp_drm_create_encoder()
302 	struct device *dev = dp->dev;  in rockchip_dp_drm_create_encoder()
324 	struct rockchip_dp_device *dp = dev_get_drvdata(dev);  in rockchip_dp_bind()  local
328 	dp->drm_dev = drm_dev;  in rockchip_dp_bind()
330 	ret = rockchip_dp_drm_create_encoder(dp);  in rockchip_dp_bind()
336 	dp->plat_data.encoder = &dp->encoder;  in rockchip_dp_bind()
338 	ret = analogix_dp_bind(dp->adp, drm_dev);  in rockchip_dp_bind()
344 	dp->encoder.funcs->destroy(&dp->encoder);  in rockchip_dp_bind()
351 	struct rockchip_dp_device *dp = dev_get_drvdata(dev);  in rockchip_dp_unbind()  local
353 	analogix_dp_unbind(dp->adp);  in rockchip_dp_unbind()
354 	dp->encoder.funcs->destroy(&dp->encoder);  in rockchip_dp_unbind()
367 	struct rockchip_dp_device *dp;  in rockchip_dp_probe()  local
378 	dp = devm_kzalloc(dev, sizeof(*dp), GFP_KERNEL);  in rockchip_dp_probe()
379 	if (!dp)  in rockchip_dp_probe()
382 	dp->dev = dev;  in rockchip_dp_probe()
383 	dp->adp = ERR_PTR(-ENODEV);  in rockchip_dp_probe()
384 	dp->data = dp_data;  in rockchip_dp_probe()
385 	dp->plat_data.panel = panel;  in rockchip_dp_probe()
386 	dp->plat_data.dev_type = dp->data->chip_type;  in rockchip_dp_probe()
387 	dp->plat_data.power_on_start = rockchip_dp_poweron_start;  in rockchip_dp_probe()
388 	dp->plat_data.power_off = rockchip_dp_powerdown;  in rockchip_dp_probe()
389 	dp->plat_data.get_modes = rockchip_dp_get_modes;  in rockchip_dp_probe()
391 	ret = rockchip_dp_of_probe(dp);  in rockchip_dp_probe()
395 	platform_set_drvdata(pdev, dp);  in rockchip_dp_probe()
397 	dp->adp = analogix_dp_probe(dev, &dp->plat_data);  in rockchip_dp_probe()
398 	if (IS_ERR(dp->adp))  in rockchip_dp_probe()
399 		return PTR_ERR(dp->adp);  in rockchip_dp_probe()
408 	analogix_dp_remove(dp->adp);  in rockchip_dp_probe()
414 	struct rockchip_dp_device *dp = platform_get_drvdata(pdev);  in rockchip_dp_remove()  local
417 	analogix_dp_remove(dp->adp);  in rockchip_dp_remove()
425 	struct rockchip_dp_device *dp = dev_get_drvdata(dev);  in rockchip_dp_suspend()  local
427 	if (IS_ERR(dp->adp))  in rockchip_dp_suspend()
430 	return analogix_dp_suspend(dp->adp);  in rockchip_dp_suspend()
435 	struct rockchip_dp_device *dp = dev_get_drvdata(dev);  in rockchip_dp_resume()  local
437 	if (IS_ERR(dp->adp))  in rockchip_dp_resume()
440 	return analogix_dp_resume(dp->adp);  in rockchip_dp_resume()