forked from ~ljy/RK356X_SDK_RELEASE
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hc
2024-05-11 04dd17822334871b23ea2862f7798fb0e0007777 
 kernel/drivers/gpu/drm/sti/sti_hdmi.c
....@@ -9,14 +9,18 @@
99 #include <linux/debugfs.h>
1010 #include <linux/hdmi.h>
1111 #include <linux/module.h>
12
-#include <linux/of_gpio.h>
12
+#include <linux/io.h>
1313 #include <linux/platform_device.h>
1414 #include <linux/reset.h>
1515 
16
-#include <drm/drmP.h>
1716 #include <drm/drm_atomic_helper.h>
18
-#include <drm/drm_crtc_helper.h>
17
+#include <drm/drm_bridge.h>
18
+#include <drm/drm_debugfs.h>
19
+#include <drm/drm_drv.h>
1920 #include <drm/drm_edid.h>
21
+#include <drm/drm_file.h>
22
+#include <drm/drm_print.h>
23
+#include <drm/drm_probe_helper.h>
2024 
2125 #include <sound/hdmi-codec.h>
2226 
....@@ -330,7 +334,6 @@
330334  * Helper to concatenate infoframe in 32 bits word
331335  *
332336  * @ptr: pointer on the hdmi internal structure
333
- * @data: infoframe to write
334337  * @size: size to write
335338  */
336339 static inline unsigned int hdmi_infoframe_subpack(const u8 *ptr, size_t size)
....@@ -434,7 +437,8 @@
434437 
435438 	DRM_DEBUG_DRIVER("\n");
436439 
437
-	ret = drm_hdmi_avi_infoframe_from_display_mode(&infoframe, mode, false);
440
+	ret = drm_hdmi_avi_infoframe_from_display_mode(&infoframe,
441
+						       hdmi->drm_connector, mode);
438442 	if (ret < 0) {
439443 		DRM_ERROR("failed to setup AVI infoframe: %d\n", ret);
440444 		return ret;
....@@ -539,13 +543,14 @@
539543 	return 0;
540544 }
541545 
546
+#define HDMI_TIMEOUT_SWRESET  100   /*milliseconds */
547
+
542548 /**
543549  * Software reset of the hdmi subsystem
544550  *
545551  * @hdmi: pointer on the hdmi internal structure
546552  *
547553  */
548
-#define HDMI_TIMEOUT_SWRESET  100   /*milliseconds */
549554 static void hdmi_swreset(struct sti_hdmi *hdmi)
550555 {
551556 	u32 val;
....@@ -722,16 +727,16 @@
722727 	{ "hdmi", hdmi_dbg_show, 0, NULL },
723728 };
724729 
725
-static int hdmi_debugfs_init(struct sti_hdmi *hdmi, struct drm_minor *minor)
730
+static void hdmi_debugfs_init(struct sti_hdmi *hdmi, struct drm_minor *minor)
726731 {
727732 	unsigned int i;
728733 
729734 	for (i = 0; i < ARRAY_SIZE(hdmi_debugfs_files); i++)
730735 		hdmi_debugfs_files[i].data = hdmi;
731736 
732
-	return drm_debugfs_create_files(hdmi_debugfs_files,
733
-					ARRAY_SIZE(hdmi_debugfs_files),
734
-					minor->debugfs_root, minor);
737
+	drm_debugfs_create_files(hdmi_debugfs_files,
738
+				 ARRAY_SIZE(hdmi_debugfs_files),
739
+				 minor->debugfs_root, minor);
735740 }
736741 
737742 static void sti_hdmi_disable(struct drm_bridge *bridge)
....@@ -845,10 +850,13 @@
845850 	switch (info->channels) {
846851 	case 8:
847852 		audio_cfg |= HDMI_AUD_CFG_CH78_VALID;
853
+		fallthrough;
848854 	case 6:
849855 		audio_cfg |= HDMI_AUD_CFG_CH56_VALID;
856
+		fallthrough;
850857 	case 4:
851858 		audio_cfg |= HDMI_AUD_CFG_CH34_VALID | HDMI_AUD_CFG_8CH;
859
+		fallthrough;
852860 	case 2:
853861 		audio_cfg |= HDMI_AUD_CFG_CH12_VALID;
854862 		break;
....@@ -917,8 +925,8 @@
917925 }
918926 
919927 static void sti_hdmi_set_mode(struct drm_bridge *bridge,
920
-		struct drm_display_mode *mode,
921
-		struct drm_display_mode *adjusted_mode)
928
+			      const struct drm_display_mode *mode,
929
+			      const struct drm_display_mode *adjusted_mode)
922930 {
923931 	struct sti_hdmi *hdmi = bridge->driver_private;
924932 	int ret;
....@@ -926,7 +934,7 @@
926934 	DRM_DEBUG_DRIVER("\n");
927935 
928936 	/* Copy the drm display mode in the connector local structure */
929
-	memcpy(&hdmi->mode, mode, sizeof(struct drm_display_mode));
937
+	drm_mode_copy(&hdmi->mode, mode);
930938 
931939 	/* Update clock framerate according to the selected mode */
932940 	ret = clk_set_rate(hdmi->clk_pix, mode->clock * 1000);
....@@ -989,8 +997,9 @@
989997 
990998 #define CLK_TOLERANCE_HZ 50
991999 
992
-static int sti_hdmi_connector_mode_valid(struct drm_connector *connector,
993
-					struct drm_display_mode *mode)
1000
+static enum drm_mode_status
1001
+sti_hdmi_connector_mode_valid(struct drm_connector *connector,
1002
+			      struct drm_display_mode *mode)
9941003 {
9951004 	int target = mode->clock * 1000;
9961005 	int target_min = target - CLK_TOLERANCE_HZ;
....@@ -1105,10 +1114,7 @@
11051114 		= to_sti_hdmi_connector(connector);
11061115 	struct sti_hdmi *hdmi = hdmi_connector->hdmi;
11071116 
1108
-	if (hdmi_debugfs_init(hdmi, hdmi->drm_dev->primary)) {
1109
-		DRM_ERROR("HDMI debugfs setup failed\n");
1110
-		return -EINVAL;
1111
-	}
1117
+	hdmi_debugfs_init(hdmi, hdmi->drm_dev->primary);
11121118 
11131119 	return 0;
11141120 }
....@@ -1186,7 +1192,8 @@
11861192 	return 0;
11871193 }
11881194 
1189
-static int hdmi_audio_digital_mute(struct device *dev, void *data, bool enable)
1195
+static int hdmi_audio_mute(struct device *dev, void *data,
1196
+			   bool enable, int direction)
11901197 {
11911198 	struct sti_hdmi *hdmi = dev_get_drvdata(dev);
11921199 
....@@ -1214,8 +1221,9 @@
12141221 static const struct hdmi_codec_ops audio_codec_ops = {
12151222 	.hw_params = hdmi_audio_hw_params,
12161223 	.audio_shutdown = hdmi_audio_shutdown,
1217
-	.digital_mute = hdmi_audio_digital_mute,
1224
+	.mute_stream = hdmi_audio_mute,
12181225 	.get_eld = hdmi_audio_get_eld,
1226
+	.no_capture_mute = 1,
12191227 };
12201228 
12211229 static int sti_hdmi_register_audio_driver(struct device *dev,
....@@ -1249,6 +1257,7 @@
12491257 	struct drm_device *drm_dev = data;
12501258 	struct drm_encoder *encoder;
12511259 	struct sti_hdmi_connector *connector;
1260
+	struct cec_connector_info conn_info;
12521261 	struct drm_connector *drm_connector;
12531262 	struct drm_bridge *bridge;
12541263 	int err;
....@@ -1272,7 +1281,7 @@
12721281 
12731282 	bridge->driver_private = hdmi;
12741283 	bridge->funcs = &sti_hdmi_bridge_funcs;
1275
-	drm_bridge_attach(encoder, bridge, NULL);
1284
+	drm_bridge_attach(encoder, bridge, NULL, 0);
12761285 
12771286 	connector->encoder = encoder;
12781287 
....@@ -1280,8 +1289,10 @@
12801289 
12811290 	drm_connector->polled = DRM_CONNECTOR_POLL_HPD;
12821291 
1283
-	drm_connector_init(drm_dev, drm_connector,
1284
-			&sti_hdmi_connector_funcs, DRM_MODE_CONNECTOR_HDMIA);
1292
+	drm_connector_init_with_ddc(drm_dev, drm_connector,
1293
+				    &sti_hdmi_connector_funcs,
1294
+				    DRM_MODE_CONNECTOR_HDMIA,
1295
+				    hdmi->ddc_adapt);
12851296 	drm_connector_helper_add(drm_connector,
12861297 			&sti_hdmi_connector_helper_funcs);
12871298 
....@@ -1309,6 +1320,14 @@
13091320 		goto err_sysfs;
13101321 	}
13111322 
1323
+	cec_fill_conn_info_from_drm(&conn_info, drm_connector);
1324
+	hdmi->notifier = cec_notifier_conn_register(&hdmi->dev, NULL,
1325
+						    &conn_info);
1326
+	if (!hdmi->notifier) {
1327
+		hdmi->drm_connector = NULL;
1328
+		return -ENOMEM;
1329
+	}
1330
+
13121331 	/* Enable default interrupts */
13131332 	hdmi_write(hdmi, HDMI_DEFAULT_INT, HDMI_INT_EN);
13141333 
....@@ -1322,6 +1341,9 @@
13221341 static void sti_hdmi_unbind(struct device *dev,
13231342 		struct device *master, void *data)
13241343 {
1344
+	struct sti_hdmi *hdmi = dev_get_drvdata(dev);
1345
+
1346
+	cec_notifier_conn_unregister(hdmi->notifier);
13251347 }
13261348 
13271349 static const struct component_ops sti_hdmi_ops = {
....@@ -1371,7 +1393,7 @@
13711393 		ret = -ENOMEM;
13721394 		goto release_adapter;
13731395 	}
1374
-	hdmi->regs = devm_ioremap_nocache(dev, res->start, resource_size(res));
1396
+	hdmi->regs = devm_ioremap(dev, res->start, resource_size(res));
13751397 	if (!hdmi->regs) {
13761398 		ret = -ENOMEM;
13771399 		goto release_adapter;
....@@ -1427,10 +1449,6 @@
14271449 		goto release_adapter;
14281450 	}
14291451 
1430
-	hdmi->notifier = cec_notifier_get(&pdev->dev);
1431
-	if (!hdmi->notifier)
1432
-		goto release_adapter;
1433
-
14341452 	hdmi->reset = devm_reset_control_get(dev, "hdmi");
14351453 	/* Take hdmi out of reset */
14361454 	if (!IS_ERR(hdmi->reset))
....@@ -1450,14 +1468,11 @@
14501468 {
14511469 	struct sti_hdmi *hdmi = dev_get_drvdata(&pdev->dev);
14521470 
1453
-	cec_notifier_set_phys_addr(hdmi->notifier, CEC_PHYS_ADDR_INVALID);
1454
-
14551471 	i2c_put_adapter(hdmi->ddc_adapt);
14561472 	if (hdmi->audio_pdev)
14571473 		platform_device_unregister(hdmi->audio_pdev);
14581474 	component_del(&pdev->dev, &sti_hdmi_ops);
14591475 
1460
-	cec_notifier_put(hdmi->notifier);
14611476 	return 0;
14621477 }
14631478