Lines Matching full:dp
25 #include "cdn-dp-core.h"
26 #include "cdn-dp-reg.h"
62 { .compatible = "rockchip,rk3399-cdn-dp",
69 static int cdn_dp_grf_write(struct cdn_dp_device *dp, in cdn_dp_grf_write() argument
74 ret = clk_prepare_enable(dp->grf_clk); in cdn_dp_grf_write()
76 DRM_DEV_ERROR(dp->dev, "Failed to prepare_enable grf clock\n"); in cdn_dp_grf_write()
80 ret = regmap_write(dp->grf, reg, val); in cdn_dp_grf_write()
82 DRM_DEV_ERROR(dp->dev, "Could not write to GRF: %d\n", ret); in cdn_dp_grf_write()
83 clk_disable_unprepare(dp->grf_clk); in cdn_dp_grf_write()
87 clk_disable_unprepare(dp->grf_clk); in cdn_dp_grf_write()
92 static int cdn_dp_clk_enable(struct cdn_dp_device *dp) in cdn_dp_clk_enable() argument
97 ret = clk_prepare_enable(dp->pclk); in cdn_dp_clk_enable()
99 DRM_DEV_ERROR(dp->dev, "cannot enable dp pclk %d\n", ret); in cdn_dp_clk_enable()
103 ret = clk_prepare_enable(dp->core_clk); in cdn_dp_clk_enable()
105 DRM_DEV_ERROR(dp->dev, "cannot enable core_clk %d\n", ret); in cdn_dp_clk_enable()
109 ret = pm_runtime_get_sync(dp->dev); in cdn_dp_clk_enable()
111 DRM_DEV_ERROR(dp->dev, "cannot get pm runtime %d\n", ret); in cdn_dp_clk_enable()
115 reset_control_assert(dp->core_rst); in cdn_dp_clk_enable()
116 reset_control_assert(dp->dptx_rst); in cdn_dp_clk_enable()
117 reset_control_assert(dp->apb_rst); in cdn_dp_clk_enable()
118 reset_control_deassert(dp->core_rst); in cdn_dp_clk_enable()
119 reset_control_deassert(dp->dptx_rst); in cdn_dp_clk_enable()
120 reset_control_deassert(dp->apb_rst); in cdn_dp_clk_enable()
122 rate = clk_get_rate(dp->core_clk); in cdn_dp_clk_enable()
124 DRM_DEV_ERROR(dp->dev, "get clk rate failed\n"); in cdn_dp_clk_enable()
129 cdn_dp_set_fw_clk(dp, rate); in cdn_dp_clk_enable()
130 cdn_dp_clock_reset(dp); in cdn_dp_clk_enable()
135 pm_runtime_put(dp->dev); in cdn_dp_clk_enable()
137 clk_disable_unprepare(dp->core_clk); in cdn_dp_clk_enable()
139 clk_disable_unprepare(dp->pclk); in cdn_dp_clk_enable()
144 static void cdn_dp_clk_disable(struct cdn_dp_device *dp) in cdn_dp_clk_disable() argument
146 pm_runtime_put_sync(dp->dev); in cdn_dp_clk_disable()
147 clk_disable_unprepare(dp->pclk); in cdn_dp_clk_disable()
148 clk_disable_unprepare(dp->core_clk); in cdn_dp_clk_disable()
173 static int cdn_dp_get_sink_count(struct cdn_dp_device *dp, u8 *sink_count) in cdn_dp_get_sink_count() argument
179 ret = cdn_dp_dpcd_read(dp, DP_SINK_COUNT, &value, 1); in cdn_dp_get_sink_count()
187 static struct cdn_dp_port *cdn_dp_connected_port(struct cdn_dp_device *dp) in cdn_dp_connected_port() argument
192 for (i = 0; i < dp->ports; i++) { in cdn_dp_connected_port()
193 port = dp->port[i]; in cdn_dp_connected_port()
201 static bool cdn_dp_check_sink_connection(struct cdn_dp_device *dp) in cdn_dp_check_sink_connection() argument
207 if (dp->active_port < 0 || dp->active_port >= dp->ports) { in cdn_dp_check_sink_connection()
208 DRM_DEV_ERROR(dp->dev, "active_port is wrong!\n"); in cdn_dp_check_sink_connection()
212 port = dp->port[dp->active_port]; in cdn_dp_check_sink_connection()
224 if (!cdn_dp_get_sink_count(dp, &sink_count)) in cdn_dp_check_sink_connection()
230 DRM_DEV_ERROR(dp->dev, "Get sink capability timed out\n"); in cdn_dp_check_sink_connection()
237 struct cdn_dp_device *dp = connector_to_dp(connector); in cdn_dp_connector_detect() local
240 mutex_lock(&dp->lock); in cdn_dp_connector_detect()
241 if (dp->connected) in cdn_dp_connector_detect()
243 mutex_unlock(&dp->lock); in cdn_dp_connector_detect()
265 struct cdn_dp_device *dp = connector_to_dp(connector); in cdn_dp_connector_get_modes() local
269 mutex_lock(&dp->lock); in cdn_dp_connector_get_modes()
270 edid = dp->edid; in cdn_dp_connector_get_modes()
272 DRM_DEV_DEBUG_KMS(dp->dev, "got edid: width[%d] x height[%d]\n", in cdn_dp_connector_get_modes()
275 dp->sink_has_audio = drm_detect_monitor_audio(edid); in cdn_dp_connector_get_modes()
280 mutex_unlock(&dp->lock); in cdn_dp_connector_get_modes()
289 struct cdn_dp_device *dp = connector_to_dp(connector); in cdn_dp_connector_mode_valid() local
290 struct drm_display_info *display_info = &dp->connector.display_info; in cdn_dp_connector_mode_valid()
294 /* If DP is disconnected, every mode is invalid */ in cdn_dp_connector_mode_valid()
295 if (!dp->connected) in cdn_dp_connector_mode_valid()
312 source_max = dp->lanes; in cdn_dp_connector_mode_valid()
313 sink_max = drm_dp_max_lane_count(dp->dpcd); in cdn_dp_connector_mode_valid()
317 sink_max = drm_dp_max_link_rate(dp->dpcd); in cdn_dp_connector_mode_valid()
326 DRM_DEV_DEBUG_KMS(dp->dev, in cdn_dp_connector_mode_valid()
340 static int cdn_dp_firmware_init(struct cdn_dp_device *dp) in cdn_dp_firmware_init() argument
344 const struct firmware *fw = dp->fw; in cdn_dp_firmware_init()
349 DRM_DEV_ERROR(dp->dev, "firmware is invalid\n"); in cdn_dp_firmware_init()
356 ret = cdn_dp_load_firmware(dp, iram_data, hdr->iram_size, in cdn_dp_firmware_init()
361 ret = cdn_dp_set_firmware_active(dp, true); in cdn_dp_firmware_init()
363 DRM_DEV_ERROR(dp->dev, "active ucpu failed: %d\n", ret); in cdn_dp_firmware_init()
367 return cdn_dp_event_config(dp); in cdn_dp_firmware_init()
370 static int cdn_dp_get_sink_capability(struct cdn_dp_device *dp) in cdn_dp_get_sink_capability() argument
374 if (!cdn_dp_check_sink_connection(dp)) in cdn_dp_get_sink_capability()
377 ret = cdn_dp_dpcd_read(dp, DP_DPCD_REV, dp->dpcd, in cdn_dp_get_sink_capability()
380 DRM_DEV_ERROR(dp->dev, "Failed to get caps %d\n", ret); in cdn_dp_get_sink_capability()
384 kfree(dp->edid); in cdn_dp_get_sink_capability()
385 dp->edid = drm_do_get_edid(&dp->connector, in cdn_dp_get_sink_capability()
386 cdn_dp_get_edid_block, dp); in cdn_dp_get_sink_capability()
390 static int cdn_dp_enable_phy(struct cdn_dp_device *dp, struct cdn_dp_port *port) in cdn_dp_enable_phy() argument
398 DRM_DEV_ERROR(dp->dev, "phy power on failed: %d\n", in cdn_dp_enable_phy()
405 ret = cdn_dp_grf_write(dp, GRF_SOC_CON26, in cdn_dp_enable_phy()
408 DRM_DEV_ERROR(dp->dev, "Failed to write HPD_SEL %d\n", ret); in cdn_dp_enable_phy()
412 ret = cdn_dp_get_hpd_status(dp); in cdn_dp_enable_phy()
415 DRM_DEV_ERROR(dp->dev, "hpd does not exist\n"); in cdn_dp_enable_phy()
422 DRM_DEV_ERROR(dp->dev, "get property failed\n"); in cdn_dp_enable_phy()
427 ret = cdn_dp_set_host_cap(dp, port->lanes, property.intval); in cdn_dp_enable_phy()
429 DRM_DEV_ERROR(dp->dev, "set host capabilities failed: %d\n", in cdn_dp_enable_phy()
434 dp->active_port = port->id; in cdn_dp_enable_phy()
439 DRM_DEV_ERROR(dp->dev, "phy power off failed: %d", ret); in cdn_dp_enable_phy()
444 cdn_dp_grf_write(dp, GRF_SOC_CON26, in cdn_dp_enable_phy()
449 static int cdn_dp_disable_phy(struct cdn_dp_device *dp, in cdn_dp_disable_phy() argument
457 DRM_DEV_ERROR(dp->dev, "phy power off failed: %d", ret); in cdn_dp_disable_phy()
464 dp->active_port = -1; in cdn_dp_disable_phy()
468 static int cdn_dp_disable(struct cdn_dp_device *dp) in cdn_dp_disable() argument
472 if (!dp->active) in cdn_dp_disable()
475 for (i = 0; i < dp->ports; i++) in cdn_dp_disable()
476 cdn_dp_disable_phy(dp, dp->port[i]); in cdn_dp_disable()
478 ret = cdn_dp_grf_write(dp, GRF_SOC_CON26, in cdn_dp_disable()
481 DRM_DEV_ERROR(dp->dev, "Failed to clear hpd sel %d\n", in cdn_dp_disable()
486 cdn_dp_set_firmware_active(dp, false); in cdn_dp_disable()
487 cdn_dp_clk_disable(dp); in cdn_dp_disable()
488 dp->active = false; in cdn_dp_disable()
489 dp->max_lanes = 0; in cdn_dp_disable()
490 dp->max_rate = 0; in cdn_dp_disable()
491 if (!dp->connected) { in cdn_dp_disable()
492 kfree(dp->edid); in cdn_dp_disable()
493 dp->edid = NULL; in cdn_dp_disable()
499 static int cdn_dp_enable(struct cdn_dp_device *dp) in cdn_dp_enable() argument
504 port = cdn_dp_connected_port(dp); in cdn_dp_enable()
506 DRM_DEV_ERROR(dp->dev, in cdn_dp_enable()
511 if (dp->active) in cdn_dp_enable()
514 ret = cdn_dp_clk_enable(dp); in cdn_dp_enable()
518 ret = cdn_dp_firmware_init(dp); in cdn_dp_enable()
520 DRM_DEV_ERROR(dp->dev, "firmware init failed: %d", ret); in cdn_dp_enable()
525 for (i = port->id; i < dp->ports; i++) { in cdn_dp_enable()
526 port = dp->port[i]; in cdn_dp_enable()
529 ret = cdn_dp_enable_phy(dp, port); in cdn_dp_enable()
533 ret = cdn_dp_get_sink_capability(dp); in cdn_dp_enable()
535 cdn_dp_disable_phy(dp, port); in cdn_dp_enable()
537 dp->active = true; in cdn_dp_enable()
538 dp->lanes = port->lanes; in cdn_dp_enable()
545 cdn_dp_clk_disable(dp); in cdn_dp_enable()
553 struct cdn_dp_device *dp = encoder_to_dp(encoder); in cdn_dp_encoder_mode_set() local
554 struct drm_display_info *display_info = &dp->connector.display_info; in cdn_dp_encoder_mode_set()
555 struct video_info *video = &dp->video_info; in cdn_dp_encoder_mode_set()
573 drm_mode_copy(&dp->mode, adjusted); in cdn_dp_encoder_mode_set()
576 static bool cdn_dp_check_link_status(struct cdn_dp_device *dp) in cdn_dp_check_link_status() argument
579 struct cdn_dp_port *port = cdn_dp_connected_port(dp); in cdn_dp_check_link_status()
580 u8 sink_lanes = drm_dp_max_lane_count(dp->dpcd); in cdn_dp_check_link_status()
582 if (!port || !dp->max_rate || !dp->max_lanes) in cdn_dp_check_link_status()
585 if (cdn_dp_dpcd_read(dp, DP_LANE0_1_STATUS, link_status, in cdn_dp_check_link_status()
595 static void cdn_dp_audio_handle_plugged_change(struct cdn_dp_device *dp, in cdn_dp_audio_handle_plugged_change() argument
598 if (dp->codec_dev) in cdn_dp_audio_handle_plugged_change()
599 dp->plugged_cb(dp->codec_dev, plugged); in cdn_dp_audio_handle_plugged_change()
604 struct cdn_dp_device *dp = encoder_to_dp(encoder); in cdn_dp_encoder_enable() local
607 ret = drm_of_encoder_active_endpoint_id(dp->dev->of_node, encoder); in cdn_dp_encoder_enable()
609 DRM_DEV_ERROR(dp->dev, "Could not get vop id, %d", ret); in cdn_dp_encoder_enable()
613 DRM_DEV_DEBUG_KMS(dp->dev, "vop %s output to cdn-dp\n", in cdn_dp_encoder_enable()
620 ret = cdn_dp_grf_write(dp, GRF_SOC_CON9, val); in cdn_dp_encoder_enable()
624 mutex_lock(&dp->lock); in cdn_dp_encoder_enable()
626 ret = cdn_dp_enable(dp); in cdn_dp_encoder_enable()
628 DRM_DEV_ERROR(dp->dev, "Failed to enable encoder %d\n", in cdn_dp_encoder_enable()
632 if (!cdn_dp_check_link_status(dp)) { in cdn_dp_encoder_enable()
633 ret = cdn_dp_train_link(dp); in cdn_dp_encoder_enable()
635 DRM_DEV_ERROR(dp->dev, "Failed link train %d\n", ret); in cdn_dp_encoder_enable()
640 ret = cdn_dp_set_video_status(dp, CONTROL_VIDEO_IDLE); in cdn_dp_encoder_enable()
642 DRM_DEV_ERROR(dp->dev, "Failed to idle video %d\n", ret); in cdn_dp_encoder_enable()
646 ret = cdn_dp_config_video(dp); in cdn_dp_encoder_enable()
648 DRM_DEV_ERROR(dp->dev, "Failed to config video %d\n", ret); in cdn_dp_encoder_enable()
652 ret = cdn_dp_set_video_status(dp, CONTROL_VIDEO_VALID); in cdn_dp_encoder_enable()
654 DRM_DEV_ERROR(dp->dev, "Failed to valid video %d\n", ret); in cdn_dp_encoder_enable()
658 cdn_dp_audio_handle_plugged_change(dp, true); in cdn_dp_encoder_enable()
661 mutex_unlock(&dp->lock); in cdn_dp_encoder_enable()
666 struct cdn_dp_device *dp = encoder_to_dp(encoder); in cdn_dp_encoder_disable() local
669 mutex_lock(&dp->lock); in cdn_dp_encoder_disable()
670 cdn_dp_audio_handle_plugged_change(dp, false); in cdn_dp_encoder_disable()
672 if (dp->active) { in cdn_dp_encoder_disable()
673 ret = cdn_dp_disable(dp); in cdn_dp_encoder_disable()
675 DRM_DEV_ERROR(dp->dev, "Failed to disable encoder %d\n", in cdn_dp_encoder_disable()
679 mutex_unlock(&dp->lock); in cdn_dp_encoder_disable()
683 * the DP: in cdn_dp_encoder_disable()
685 * device from a port, the DP will be disabled here, at this case, in cdn_dp_encoder_disable()
686 * run the event_work to re-open DP for the other port. in cdn_dp_encoder_disable()
687 * 2. If re-training or re-config failed, the DP will be disabled here. in cdn_dp_encoder_disable()
690 if (!dp->connected && cdn_dp_connected_port(dp)) in cdn_dp_encoder_disable()
691 schedule_work(&dp->event_work); in cdn_dp_encoder_disable()
713 static int cdn_dp_parse_dt(struct cdn_dp_device *dp) in cdn_dp_parse_dt() argument
715 struct device *dev = dp->dev; in cdn_dp_parse_dt()
719 dp->grf = syscon_regmap_lookup_by_phandle(np, "rockchip,grf"); in cdn_dp_parse_dt()
720 if (IS_ERR(dp->grf)) { in cdn_dp_parse_dt()
721 DRM_DEV_ERROR(dev, "cdn-dp needs rockchip,grf property\n"); in cdn_dp_parse_dt()
722 return PTR_ERR(dp->grf); in cdn_dp_parse_dt()
725 dp->regs = devm_platform_ioremap_resource(pdev, 0); in cdn_dp_parse_dt()
726 if (IS_ERR(dp->regs)) { in cdn_dp_parse_dt()
728 return PTR_ERR(dp->regs); in cdn_dp_parse_dt()
731 dp->core_clk = devm_clk_get(dev, "core-clk"); in cdn_dp_parse_dt()
732 if (IS_ERR(dp->core_clk)) { in cdn_dp_parse_dt()
734 return PTR_ERR(dp->core_clk); in cdn_dp_parse_dt()
737 dp->pclk = devm_clk_get(dev, "pclk"); in cdn_dp_parse_dt()
738 if (IS_ERR(dp->pclk)) { in cdn_dp_parse_dt()
740 return PTR_ERR(dp->pclk); in cdn_dp_parse_dt()
743 dp->spdif_clk = devm_clk_get(dev, "spdif"); in cdn_dp_parse_dt()
744 if (IS_ERR(dp->spdif_clk)) { in cdn_dp_parse_dt()
746 return PTR_ERR(dp->spdif_clk); in cdn_dp_parse_dt()
749 dp->grf_clk = devm_clk_get(dev, "grf"); in cdn_dp_parse_dt()
750 if (IS_ERR(dp->grf_clk)) { in cdn_dp_parse_dt()
752 return PTR_ERR(dp->grf_clk); in cdn_dp_parse_dt()
755 dp->spdif_rst = devm_reset_control_get(dev, "spdif"); in cdn_dp_parse_dt()
756 if (IS_ERR(dp->spdif_rst)) { in cdn_dp_parse_dt()
758 return PTR_ERR(dp->spdif_rst); in cdn_dp_parse_dt()
761 dp->dptx_rst = devm_reset_control_get(dev, "dptx"); in cdn_dp_parse_dt()
762 if (IS_ERR(dp->dptx_rst)) { in cdn_dp_parse_dt()
764 return PTR_ERR(dp->dptx_rst); in cdn_dp_parse_dt()
767 dp->core_rst = devm_reset_control_get(dev, "core"); in cdn_dp_parse_dt()
768 if (IS_ERR(dp->core_rst)) { in cdn_dp_parse_dt()
770 return PTR_ERR(dp->core_rst); in cdn_dp_parse_dt()
773 dp->apb_rst = devm_reset_control_get(dev, "apb"); in cdn_dp_parse_dt()
774 if (IS_ERR(dp->apb_rst)) { in cdn_dp_parse_dt()
776 return PTR_ERR(dp->apb_rst); in cdn_dp_parse_dt()
786 struct cdn_dp_device *dp = dev_get_drvdata(dev); in cdn_dp_audio_hw_params() local
794 mutex_lock(&dp->lock); in cdn_dp_audio_hw_params()
795 if (!dp->active) { in cdn_dp_audio_hw_params()
813 ret = cdn_dp_audio_config(dp, &audio); in cdn_dp_audio_hw_params()
815 dp->audio_info = audio; in cdn_dp_audio_hw_params()
818 mutex_unlock(&dp->lock); in cdn_dp_audio_hw_params()
824 struct cdn_dp_device *dp = dev_get_drvdata(dev); in cdn_dp_audio_shutdown() local
827 mutex_lock(&dp->lock); in cdn_dp_audio_shutdown()
828 if (!dp->active) in cdn_dp_audio_shutdown()
831 ret = cdn_dp_audio_stop(dp, &dp->audio_info); in cdn_dp_audio_shutdown()
833 dp->audio_info.format = AFMT_UNUSED; in cdn_dp_audio_shutdown()
835 mutex_unlock(&dp->lock); in cdn_dp_audio_shutdown()
841 struct cdn_dp_device *dp = dev_get_drvdata(dev); in cdn_dp_audio_mute_stream() local
844 mutex_lock(&dp->lock); in cdn_dp_audio_mute_stream()
845 if (!dp->active) { in cdn_dp_audio_mute_stream()
850 ret = cdn_dp_audio_mute(dp, enable); in cdn_dp_audio_mute_stream()
853 mutex_unlock(&dp->lock); in cdn_dp_audio_mute_stream()
860 struct cdn_dp_device *dp = dev_get_drvdata(dev); in cdn_dp_audio_get_eld() local
862 memcpy(buf, dp->connector.eld, min(sizeof(dp->connector.eld), len)); in cdn_dp_audio_get_eld()
871 struct cdn_dp_device *dp = dev_get_drvdata(dev); in cdn_dp_audio_hook_plugged_cb() local
873 mutex_lock(&dp->lock); in cdn_dp_audio_hook_plugged_cb()
874 dp->plugged_cb = fn; in cdn_dp_audio_hook_plugged_cb()
875 dp->codec_dev = codec_dev; in cdn_dp_audio_hook_plugged_cb()
876 cdn_dp_audio_handle_plugged_change(dp, dp->connected); in cdn_dp_audio_hook_plugged_cb()
877 mutex_unlock(&dp->lock); in cdn_dp_audio_hook_plugged_cb()
891 static int cdn_dp_audio_codec_init(struct cdn_dp_device *dp, in cdn_dp_audio_codec_init() argument
901 dp->audio_pdev = platform_device_register_data( in cdn_dp_audio_codec_init()
905 return PTR_ERR_OR_ZERO(dp->audio_pdev); in cdn_dp_audio_codec_init()
908 static int cdn_dp_request_firmware(struct cdn_dp_device *dp) in cdn_dp_request_firmware() argument
914 WARN_ON(!mutex_is_locked(&dp->lock)); in cdn_dp_request_firmware()
916 if (dp->fw_loaded) in cdn_dp_request_firmware()
920 mutex_unlock(&dp->lock); in cdn_dp_request_firmware()
923 ret = request_firmware(&dp->fw, CDN_DP_FIRMWARE, dp->dev); in cdn_dp_request_firmware()
929 DRM_DEV_ERROR(dp->dev, in cdn_dp_request_firmware()
934 dp->fw_loaded = true; in cdn_dp_request_firmware()
939 DRM_DEV_ERROR(dp->dev, "Timed out trying to load firmware\n"); in cdn_dp_request_firmware()
942 mutex_lock(&dp->lock); in cdn_dp_request_firmware()
948 struct cdn_dp_device *dp = container_of(work, struct cdn_dp_device, in cdn_dp_pd_event_work() local
950 struct drm_connector *connector = &dp->connector; in cdn_dp_pd_event_work()
955 mutex_lock(&dp->lock); in cdn_dp_pd_event_work()
957 if (dp->suspended) in cdn_dp_pd_event_work()
960 ret = cdn_dp_request_firmware(dp); in cdn_dp_pd_event_work()
964 dp->connected = true; in cdn_dp_pd_event_work()
967 if (!cdn_dp_connected_port(dp)) { in cdn_dp_pd_event_work()
968 DRM_DEV_INFO(dp->dev, "Not connected. Disabling cdn\n"); in cdn_dp_pd_event_work()
969 dp->connected = false; in cdn_dp_pd_event_work()
972 } else if (!dp->active) { in cdn_dp_pd_event_work()
973 DRM_DEV_INFO(dp->dev, "Connected, not enabled. Enabling cdn\n"); in cdn_dp_pd_event_work()
974 ret = cdn_dp_enable(dp); in cdn_dp_pd_event_work()
976 DRM_DEV_ERROR(dp->dev, "Enable dp failed %d\n", ret); in cdn_dp_pd_event_work()
977 dp->connected = false; in cdn_dp_pd_event_work()
981 } else if (!cdn_dp_check_sink_connection(dp)) { in cdn_dp_pd_event_work()
982 DRM_DEV_INFO(dp->dev, "Connected without sink. Assert hpd\n"); in cdn_dp_pd_event_work()
983 dp->connected = false; in cdn_dp_pd_event_work()
986 } else if (!cdn_dp_check_link_status(dp)) { in cdn_dp_pd_event_work()
987 unsigned int rate = dp->max_rate; in cdn_dp_pd_event_work()
988 unsigned int lanes = dp->max_lanes; in cdn_dp_pd_event_work()
989 struct drm_display_mode *mode = &dp->mode; in cdn_dp_pd_event_work()
991 DRM_DEV_INFO(dp->dev, "Connected with sink. Re-train link\n"); in cdn_dp_pd_event_work()
992 ret = cdn_dp_train_link(dp); in cdn_dp_pd_event_work()
994 dp->connected = false; in cdn_dp_pd_event_work()
995 DRM_DEV_ERROR(dp->dev, "Train link failed %d\n", ret); in cdn_dp_pd_event_work()
1001 (rate != dp->max_rate || lanes != dp->max_lanes)) { in cdn_dp_pd_event_work()
1002 ret = cdn_dp_config_video(dp); in cdn_dp_pd_event_work()
1004 dp->connected = false; in cdn_dp_pd_event_work()
1005 DRM_DEV_ERROR(dp->dev, in cdn_dp_pd_event_work()
1013 mutex_unlock(&dp->lock); in cdn_dp_pd_event_work()
1018 drm_kms_helper_hotplug_event(dp->drm_dev); in cdn_dp_pd_event_work()
1026 struct cdn_dp_device *dp = port->dp; in cdn_dp_pd_event() local
1033 schedule_work(&dp->event_work); in cdn_dp_pd_event()
1040 struct cdn_dp_device *dp = dev_get_drvdata(dev); in cdn_dp_bind() local
1047 ret = cdn_dp_parse_dt(dp); in cdn_dp_bind()
1051 dp->drm_dev = drm_dev; in cdn_dp_bind()
1052 dp->connected = false; in cdn_dp_bind()
1053 dp->active = false; in cdn_dp_bind()
1054 dp->active_port = -1; in cdn_dp_bind()
1055 dp->fw_loaded = false; in cdn_dp_bind()
1057 INIT_WORK(&dp->event_work, cdn_dp_pd_event_work); in cdn_dp_bind()
1059 encoder = &dp->encoder.encoder; in cdn_dp_bind()
1074 connector = &dp->connector; in cdn_dp_bind()
1094 for (i = 0; i < dp->ports; i++) { in cdn_dp_bind()
1095 port = dp->port[i]; in cdn_dp_bind()
1098 ret = devm_extcon_register_notifier(dp->dev, port->extcon, in cdn_dp_bind()
1110 schedule_work(&dp->event_work); in cdn_dp_bind()
1123 struct cdn_dp_device *dp = dev_get_drvdata(dev); in cdn_dp_unbind() local
1124 struct drm_encoder *encoder = &dp->encoder.encoder; in cdn_dp_unbind()
1125 struct drm_connector *connector = &dp->connector; in cdn_dp_unbind()
1127 cancel_work_sync(&dp->event_work); in cdn_dp_unbind()
1133 if (dp->fw_loaded) in cdn_dp_unbind()
1134 release_firmware(dp->fw); in cdn_dp_unbind()
1135 kfree(dp->edid); in cdn_dp_unbind()
1136 dp->edid = NULL; in cdn_dp_unbind()
1146 struct cdn_dp_device *dp = dev_get_drvdata(dev); in cdn_dp_suspend() local
1149 mutex_lock(&dp->lock); in cdn_dp_suspend()
1150 if (dp->active) in cdn_dp_suspend()
1151 ret = cdn_dp_disable(dp); in cdn_dp_suspend()
1152 dp->suspended = true; in cdn_dp_suspend()
1153 mutex_unlock(&dp->lock); in cdn_dp_suspend()
1160 struct cdn_dp_device *dp = dev_get_drvdata(dev); in cdn_dp_resume() local
1162 mutex_lock(&dp->lock); in cdn_dp_resume()
1163 dp->suspended = false; in cdn_dp_resume()
1164 if (dp->fw_loaded) in cdn_dp_resume()
1165 schedule_work(&dp->event_work); in cdn_dp_resume()
1166 mutex_unlock(&dp->lock); in cdn_dp_resume()
1177 struct cdn_dp_device *dp; in cdn_dp_probe() local
1182 dp = devm_kzalloc(dev, sizeof(*dp), GFP_KERNEL); in cdn_dp_probe()
1183 if (!dp) in cdn_dp_probe()
1185 dp->dev = dev; in cdn_dp_probe()
1207 port->dp = dp; in cdn_dp_probe()
1209 dp->port[dp->ports++] = port; in cdn_dp_probe()
1212 if (!dp->ports) { in cdn_dp_probe()
1217 mutex_init(&dp->lock); in cdn_dp_probe()
1218 dev_set_drvdata(dev, dp); in cdn_dp_probe()
1220 cdn_dp_audio_codec_init(dp, dev); in cdn_dp_probe()
1227 struct cdn_dp_device *dp = platform_get_drvdata(pdev); in cdn_dp_remove() local
1229 platform_device_unregister(dp->audio_pdev); in cdn_dp_remove()
1230 cdn_dp_suspend(dp->dev); in cdn_dp_remove()
1236 struct cdn_dp_device *dp = platform_get_drvdata(pdev); in cdn_dp_shutdown() local
1238 cdn_dp_suspend(dp->dev); in cdn_dp_shutdown()
1251 .name = "cdn-dp",