Lines Matching full:dp
25 #include "cdn-dp-core.h"
26 #include "cdn-dp-reg.h"
61 { .compatible = "rockchip,rk3399-cdn-dp",
68 static int cdn_dp_grf_write(struct cdn_dp_device *dp, in cdn_dp_grf_write() argument
73 ret = clk_prepare_enable(dp->grf_clk); in cdn_dp_grf_write()
75 DRM_DEV_ERROR(dp->dev, "Failed to prepare_enable grf clock\n"); in cdn_dp_grf_write()
79 ret = regmap_write(dp->grf, reg, val); in cdn_dp_grf_write()
81 DRM_DEV_ERROR(dp->dev, "Could not write to GRF: %d\n", ret); in cdn_dp_grf_write()
82 clk_disable_unprepare(dp->grf_clk); in cdn_dp_grf_write()
86 clk_disable_unprepare(dp->grf_clk); in cdn_dp_grf_write()
91 static int cdn_dp_clk_enable(struct cdn_dp_device *dp) in cdn_dp_clk_enable() argument
96 ret = clk_prepare_enable(dp->pclk); in cdn_dp_clk_enable()
98 DRM_DEV_ERROR(dp->dev, "cannot enable dp pclk %d\n", ret); in cdn_dp_clk_enable()
102 ret = clk_prepare_enable(dp->core_clk); in cdn_dp_clk_enable()
104 DRM_DEV_ERROR(dp->dev, "cannot enable core_clk %d\n", ret); in cdn_dp_clk_enable()
108 ret = pm_runtime_get_sync(dp->dev); in cdn_dp_clk_enable()
110 DRM_DEV_ERROR(dp->dev, "cannot get pm runtime %d\n", ret); in cdn_dp_clk_enable()
114 reset_control_assert(dp->core_rst); in cdn_dp_clk_enable()
115 reset_control_assert(dp->dptx_rst); in cdn_dp_clk_enable()
116 reset_control_assert(dp->apb_rst); in cdn_dp_clk_enable()
117 reset_control_deassert(dp->core_rst); in cdn_dp_clk_enable()
118 reset_control_deassert(dp->dptx_rst); in cdn_dp_clk_enable()
119 reset_control_deassert(dp->apb_rst); in cdn_dp_clk_enable()
121 rate = clk_get_rate(dp->core_clk); in cdn_dp_clk_enable()
123 DRM_DEV_ERROR(dp->dev, "get clk rate failed\n"); in cdn_dp_clk_enable()
128 cdn_dp_set_fw_clk(dp, rate); in cdn_dp_clk_enable()
129 cdn_dp_clock_reset(dp); in cdn_dp_clk_enable()
134 pm_runtime_put(dp->dev); in cdn_dp_clk_enable()
136 clk_disable_unprepare(dp->core_clk); in cdn_dp_clk_enable()
138 clk_disable_unprepare(dp->pclk); in cdn_dp_clk_enable()
143 static void cdn_dp_clk_disable(struct cdn_dp_device *dp) in cdn_dp_clk_disable() argument
145 pm_runtime_put_sync(dp->dev); in cdn_dp_clk_disable()
146 clk_disable_unprepare(dp->pclk); in cdn_dp_clk_disable()
147 clk_disable_unprepare(dp->core_clk); in cdn_dp_clk_disable()
172 static int cdn_dp_get_sink_count(struct cdn_dp_device *dp, u8 *sink_count) in cdn_dp_get_sink_count() argument
178 ret = cdn_dp_dpcd_read(dp, DP_SINK_COUNT, &value, 1); in cdn_dp_get_sink_count()
186 static struct cdn_dp_port *cdn_dp_connected_port(struct cdn_dp_device *dp) in cdn_dp_connected_port() argument
191 for (i = 0; i < dp->ports; i++) { in cdn_dp_connected_port()
192 port = dp->port[i]; in cdn_dp_connected_port()
200 static bool cdn_dp_check_sink_connection(struct cdn_dp_device *dp) in cdn_dp_check_sink_connection() argument
206 if (dp->active_port < 0 || dp->active_port >= dp->ports) { in cdn_dp_check_sink_connection()
207 DRM_DEV_ERROR(dp->dev, "active_port is wrong!\n"); in cdn_dp_check_sink_connection()
211 port = dp->port[dp->active_port]; in cdn_dp_check_sink_connection()
223 if (!cdn_dp_get_sink_count(dp, &sink_count)) in cdn_dp_check_sink_connection()
229 DRM_DEV_ERROR(dp->dev, "Get sink capability timed out\n"); in cdn_dp_check_sink_connection()
236 struct cdn_dp_device *dp = connector_to_dp(connector); in cdn_dp_connector_detect() local
239 mutex_lock(&dp->lock); in cdn_dp_connector_detect()
240 if (dp->connected) in cdn_dp_connector_detect()
242 mutex_unlock(&dp->lock); in cdn_dp_connector_detect()
264 struct cdn_dp_device *dp = connector_to_dp(connector); in cdn_dp_connector_get_modes() local
267 mutex_lock(&dp->lock); in cdn_dp_connector_get_modes()
271 mutex_unlock(&dp->lock); in cdn_dp_connector_get_modes()
280 struct cdn_dp_device *dp = connector_to_dp(connector); in cdn_dp_connector_mode_valid() local
281 struct drm_display_info *display_info = &dp->connector.display_info; in cdn_dp_connector_mode_valid()
285 /* If DP is disconnected, every mode is invalid */ in cdn_dp_connector_mode_valid()
286 if (!dp->connected) in cdn_dp_connector_mode_valid()
303 source_max = dp->lanes; in cdn_dp_connector_mode_valid()
304 sink_max = drm_dp_max_lane_count(dp->dpcd); in cdn_dp_connector_mode_valid()
308 sink_max = drm_dp_max_link_rate(dp->dpcd); in cdn_dp_connector_mode_valid()
317 DRM_DEV_DEBUG_KMS(dp->dev, in cdn_dp_connector_mode_valid()
331 static int cdn_dp_firmware_init(struct cdn_dp_device *dp) in cdn_dp_firmware_init() argument
335 const struct firmware *fw = dp->fw; in cdn_dp_firmware_init()
340 DRM_DEV_ERROR(dp->dev, "firmware is invalid\n"); in cdn_dp_firmware_init()
347 ret = cdn_dp_load_firmware(dp, iram_data, hdr->iram_size, in cdn_dp_firmware_init()
352 ret = cdn_dp_set_firmware_active(dp, true); in cdn_dp_firmware_init()
354 DRM_DEV_ERROR(dp->dev, "active ucpu failed: %d\n", ret); in cdn_dp_firmware_init()
358 return cdn_dp_event_config(dp); in cdn_dp_firmware_init()
361 static int cdn_dp_get_sink_capability(struct cdn_dp_device *dp) in cdn_dp_get_sink_capability() argument
363 const struct drm_display_info *info = &dp->connector.display_info; in cdn_dp_get_sink_capability()
366 if (!cdn_dp_check_sink_connection(dp)) in cdn_dp_get_sink_capability()
369 ret = cdn_dp_dpcd_read(dp, DP_DPCD_REV, dp->dpcd, in cdn_dp_get_sink_capability()
372 DRM_DEV_ERROR(dp->dev, "Failed to get caps %d\n", ret); in cdn_dp_get_sink_capability()
376 drm_edid_free(dp->drm_edid); in cdn_dp_get_sink_capability()
377 dp->drm_edid = drm_edid_read_custom(&dp->connector, in cdn_dp_get_sink_capability()
378 cdn_dp_get_edid_block, dp); in cdn_dp_get_sink_capability()
379 drm_edid_connector_update(&dp->connector, dp->drm_edid); in cdn_dp_get_sink_capability()
381 dp->sink_has_audio = info->has_audio; in cdn_dp_get_sink_capability()
383 if (dp->drm_edid) in cdn_dp_get_sink_capability()
384 DRM_DEV_DEBUG_KMS(dp->dev, "got edid: width[%d] x height[%d]\n", 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 drm_edid_free(dp->drm_edid); in cdn_dp_disable()
493 dp->drm_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()
890 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
952 mutex_lock(&dp->lock); in cdn_dp_pd_event_work()
954 if (dp->suspended) in cdn_dp_pd_event_work()
957 ret = cdn_dp_request_firmware(dp); in cdn_dp_pd_event_work()
961 dp->connected = true; in cdn_dp_pd_event_work()
964 if (!cdn_dp_connected_port(dp)) { in cdn_dp_pd_event_work()
965 DRM_DEV_INFO(dp->dev, "Not connected; disabling cdn\n"); in cdn_dp_pd_event_work()
966 dp->connected = false; in cdn_dp_pd_event_work()
969 } else if (!dp->active) { in cdn_dp_pd_event_work()
970 DRM_DEV_INFO(dp->dev, "Connected, not enabled; enabling cdn\n"); in cdn_dp_pd_event_work()
971 ret = cdn_dp_enable(dp); in cdn_dp_pd_event_work()
973 DRM_DEV_ERROR(dp->dev, "Enabling dp failed: %d\n", ret); in cdn_dp_pd_event_work()
974 dp->connected = false; in cdn_dp_pd_event_work()
978 } else if (!cdn_dp_check_sink_connection(dp)) { in cdn_dp_pd_event_work()
979 DRM_DEV_INFO(dp->dev, "Connected without sink; assert hpd\n"); in cdn_dp_pd_event_work()
980 dp->connected = false; in cdn_dp_pd_event_work()
983 } else if (!cdn_dp_check_link_status(dp)) { in cdn_dp_pd_event_work()
984 unsigned int rate = dp->max_rate; in cdn_dp_pd_event_work()
985 unsigned int lanes = dp->max_lanes; in cdn_dp_pd_event_work()
986 struct drm_display_mode *mode = &dp->mode; in cdn_dp_pd_event_work()
988 DRM_DEV_INFO(dp->dev, "Connected with sink; re-train link\n"); in cdn_dp_pd_event_work()
989 ret = cdn_dp_train_link(dp); in cdn_dp_pd_event_work()
991 dp->connected = false; in cdn_dp_pd_event_work()
992 DRM_DEV_ERROR(dp->dev, "Training link failed: %d\n", ret); in cdn_dp_pd_event_work()
998 (rate != dp->max_rate || lanes != dp->max_lanes)) { in cdn_dp_pd_event_work()
999 ret = cdn_dp_config_video(dp); in cdn_dp_pd_event_work()
1001 dp->connected = false; in cdn_dp_pd_event_work()
1002 DRM_DEV_ERROR(dp->dev, "Failed to configure video: %d\n", ret); in cdn_dp_pd_event_work()
1008 mutex_unlock(&dp->lock); in cdn_dp_pd_event_work()
1009 drm_connector_helper_hpd_irq_event(&dp->connector); in cdn_dp_pd_event_work()
1017 struct cdn_dp_device *dp = port->dp; in cdn_dp_pd_event() local
1024 schedule_work(&dp->event_work); in cdn_dp_pd_event()
1031 struct cdn_dp_device *dp = dev_get_drvdata(dev); in cdn_dp_bind() local
1038 ret = cdn_dp_parse_dt(dp); in cdn_dp_bind()
1042 dp->drm_dev = drm_dev; in cdn_dp_bind()
1043 dp->connected = false; in cdn_dp_bind()
1044 dp->active = false; in cdn_dp_bind()
1045 dp->active_port = -1; in cdn_dp_bind()
1046 dp->fw_loaded = false; in cdn_dp_bind()
1048 INIT_WORK(&dp->event_work, cdn_dp_pd_event_work); in cdn_dp_bind()
1050 encoder = &dp->encoder.encoder; in cdn_dp_bind()
1065 connector = &dp->connector; in cdn_dp_bind()
1085 for (i = 0; i < dp->ports; i++) { in cdn_dp_bind()
1086 port = dp->port[i]; in cdn_dp_bind()
1089 ret = devm_extcon_register_notifier(dp->dev, port->extcon, in cdn_dp_bind()
1101 schedule_work(&dp->event_work); in cdn_dp_bind()
1114 struct cdn_dp_device *dp = dev_get_drvdata(dev); in cdn_dp_unbind() local
1115 struct drm_encoder *encoder = &dp->encoder.encoder; in cdn_dp_unbind()
1116 struct drm_connector *connector = &dp->connector; in cdn_dp_unbind()
1118 cancel_work_sync(&dp->event_work); in cdn_dp_unbind()
1124 if (dp->fw_loaded) in cdn_dp_unbind()
1125 release_firmware(dp->fw); in cdn_dp_unbind()
1126 drm_edid_free(dp->drm_edid); in cdn_dp_unbind()
1127 dp->drm_edid = NULL; in cdn_dp_unbind()
1137 struct cdn_dp_device *dp = dev_get_drvdata(dev); in cdn_dp_suspend() local
1140 mutex_lock(&dp->lock); in cdn_dp_suspend()
1141 if (dp->active) in cdn_dp_suspend()
1142 ret = cdn_dp_disable(dp); in cdn_dp_suspend()
1143 dp->suspended = true; in cdn_dp_suspend()
1144 mutex_unlock(&dp->lock); in cdn_dp_suspend()
1151 struct cdn_dp_device *dp = dev_get_drvdata(dev); in cdn_dp_resume() local
1153 mutex_lock(&dp->lock); in cdn_dp_resume()
1154 dp->suspended = false; in cdn_dp_resume()
1155 if (dp->fw_loaded) in cdn_dp_resume()
1156 schedule_work(&dp->event_work); in cdn_dp_resume()
1157 mutex_unlock(&dp->lock); in cdn_dp_resume()
1168 struct cdn_dp_device *dp; in cdn_dp_probe() local
1174 dp = devm_kzalloc(dev, sizeof(*dp), GFP_KERNEL); in cdn_dp_probe()
1175 if (!dp) in cdn_dp_probe()
1177 dp->dev = dev; in cdn_dp_probe()
1199 port->dp = dp; in cdn_dp_probe()
1201 dp->port[dp->ports++] = port; in cdn_dp_probe()
1204 if (!dp->ports) { in cdn_dp_probe()
1209 mutex_init(&dp->lock); in cdn_dp_probe()
1210 dev_set_drvdata(dev, dp); in cdn_dp_probe()
1212 ret = cdn_dp_audio_codec_init(dp, dev); in cdn_dp_probe()
1223 platform_device_unregister(dp->audio_pdev); in cdn_dp_probe()
1229 struct cdn_dp_device *dp = platform_get_drvdata(pdev); in cdn_dp_remove() local
1231 platform_device_unregister(dp->audio_pdev); in cdn_dp_remove()
1232 cdn_dp_suspend(dp->dev); in cdn_dp_remove()
1238 struct cdn_dp_device *dp = platform_get_drvdata(pdev); in cdn_dp_shutdown() local
1240 cdn_dp_suspend(dp->dev); in cdn_dp_shutdown()
1253 .name = "cdn-dp",