drm/rockchip/cdn-dp-core.c

71 	int ret;
73 	ret = clk_prepare_enable(dp->grf_clk);
74 	if (ret) {
76 		return ret;
79 	ret = regmap_write(dp->grf, reg, val);
80 	if (ret) {
81 		DRM_DEV_ERROR(dp->dev, "Could not write to GRF: %d\n", ret);
83 		return ret;
93 	int ret;
96 	ret = clk_prepare_enable(dp->pclk);
97 	if (ret < 0) {
98 		DRM_DEV_ERROR(dp->dev, "cannot enable dp pclk %d\n", ret);
102 	ret = clk_prepare_enable(dp->core_clk);
103 	if (ret < 0) {
104 		DRM_DEV_ERROR(dp->dev, "cannot enable core_clk %d\n", ret);
108 	ret = pm_runtime_get_sync(dp->dev);
109 	if (ret < 0) {
110 		DRM_DEV_ERROR(dp->dev, "cannot get pm runtime %d\n", ret);
124 		ret = -EINVAL;
140 	return ret;
174 	int ret;
178 	ret = cdn_dp_dpcd_read(dp, DP_SINK_COUNT, &value, 1);
179 	if (ret)
180 		return ret;
265 	int ret = 0;
278 	ret = drm_edid_connector_add_modes(connector);
282 	return ret;
342 	int ret;
356 	ret = cdn_dp_load_firmware(dp, iram_data, hdr->iram_size,
358 	if (ret)
359 		return ret;
361 	ret = cdn_dp_set_firmware_active(dp, true);
362 	if (ret) {
363 		DRM_DEV_ERROR(dp->dev, "active ucpu failed: %d\n", ret);
364 		return ret;
372 	int ret;
377 	ret = cdn_dp_dpcd_read(dp, DP_DPCD_REV, dp->dpcd,
379 	if (ret) {
380 		DRM_DEV_ERROR(dp->dev, "Failed to get caps %d\n", ret);
381 		return ret;
397 	int ret;
400 		ret = phy_power_on(port->phy);
401 		if (ret) {
403 				      ret);
409 	ret = cdn_dp_grf_write(dp, GRF_SOC_CON26,
411 	if (ret) {
412 		DRM_DEV_ERROR(dp->dev, "Failed to write HPD_SEL %d\n", ret);
416 	ret = cdn_dp_get_hpd_status(dp);
417 	if (ret <= 0) {
418 		if (!ret)
423 	ret = extcon_get_property(port->extcon, EXTCON_DISP_DP,
425 	if (ret) {
431 	ret = cdn_dp_set_host_cap(dp, port->lanes, property.intval);
432 	if (ret) {
434 			      ret);
443 		DRM_DEV_ERROR(dp->dev, "phy power off failed: %d", ret);
450 	return ret;
456 	int ret;
459 		ret = phy_power_off(port->phy);
460 		if (ret) {
461 			DRM_DEV_ERROR(dp->dev, "phy power off failed: %d", ret);
462 			return ret;
474 	int ret, i;
482 	ret = cdn_dp_grf_write(dp, GRF_SOC_CON26,
484 	if (ret) {
486 			      ret);
487 		return ret;
505 	int ret, i, lanes;
518 	ret = cdn_dp_clk_enable(dp);
519 	if (ret)
520 		return ret;
522 	ret = cdn_dp_firmware_init(dp);
523 	if (ret) {
524 		DRM_DEV_ERROR(dp->dev, "firmware init failed: %d", ret);
533 			ret = cdn_dp_enable_phy(dp, port);
534 			if (ret)
537 			ret = cdn_dp_get_sink_capability(dp);
538 			if (ret) {
550 	return ret;
609 	int ret, val;
611 	ret = drm_of_encoder_active_endpoint_id(dp->dev->of_node, encoder);
612 	if (ret < 0) {
613 		DRM_DEV_ERROR(dp->dev, "Could not get vop id, %d", ret);
618 			  (ret) ? "LIT" : "BIG");
619 	if (ret)
624 	ret = cdn_dp_grf_write(dp, GRF_SOC_CON9, val);
625 	if (ret)
630 	ret = cdn_dp_enable(dp);
631 	if (ret) {
633 			      ret);
637 		ret = cdn_dp_train_link(dp);
638 		if (ret) {
639 			DRM_DEV_ERROR(dp->dev, "Failed link train %d\n", ret);
644 	ret = cdn_dp_set_video_status(dp, CONTROL_VIDEO_IDLE);
645 	if (ret) {
646 		DRM_DEV_ERROR(dp->dev, "Failed to idle video %d\n", ret);
650 	ret = cdn_dp_config_video(dp);
651 	if (ret) {
652 		DRM_DEV_ERROR(dp->dev, "Failed to config video %d\n", ret);
656 	ret = cdn_dp_set_video_status(dp, CONTROL_VIDEO_VALID);
657 	if (ret) {
658 		DRM_DEV_ERROR(dp->dev, "Failed to valid video %d\n", ret);
671 	int ret;
677 		ret = cdn_dp_disable(dp);
678 		if (ret) {
680 				      ret);
796 	int ret;
800 		ret = -ENODEV;
813 		ret = -EINVAL;
817 	ret = cdn_dp_audio_config(dp, &audio);
818 	if (!ret)
823 	return ret;
829 	int ret;
835 	ret = cdn_dp_audio_stop(dp, &dp->audio_info);
836 	if (!ret)
846 	int ret;
850 		ret = -ENODEV;
854 	ret = cdn_dp_audio_mute(dp, enable);
858 	return ret;
914 	int ret;
927 		ret = request_firmware(&dp->fw, CDN_DP_FIRMWARE, dp->dev);
928 		if (ret == -ENOENT) {
932 		} else if (ret) {
934 				      "failed to request firmware: %d\n", ret);
939 		ret = 0;
944 	ret = -ETIMEDOUT;
947 	return ret;
957 	int ret;
964 	ret = cdn_dp_request_firmware(dp);
965 	if (ret)
978 		ret = cdn_dp_enable(dp);
979 		if (ret) {
980 			DRM_DEV_ERROR(dp->dev, "Enable dp failed %d\n", ret);
996 		ret = cdn_dp_train_link(dp);
997 		if (ret) {
999 			DRM_DEV_ERROR(dp->dev, "Train link failed %d\n", ret);
1006 			ret = cdn_dp_config_video(dp);
1007 			if (ret) {
1011 					      ret);
1049 	int ret, i;
1051 	ret = cdn_dp_parse_dt(dp);
1052 	if (ret < 0)
1053 		return ret;
1069 	ret = drm_simple_encoder_init(drm_dev, encoder,
1071 	if (ret) {
1073 		return ret;
1082 	ret = drm_connector_init(drm_dev, connector,
1085 	if (ret) {
1092 	ret = drm_connector_attach_encoder(connector, encoder);
1093 	if (ret) {
1102 		ret = devm_extcon_register_notifier(dp->dev, port->extcon,
1105 		if (ret) {
1122 	return ret;
1151 	int ret = 0;
1155 		ret = cdn_dp_disable(dp);
1159 	return ret;
1184 	int ret;
1225 	ret = cdn_dp_audio_codec_init(dp, dev);
1226 	if (ret)
1227 		return ret;
1229 	ret = component_add(dev, &cdn_dp_component_ops);
1230 	if (ret)
1237 	return ret;