add wifi6 8852be driver

hc

2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da

 kernel/drivers/media/i2c/it6616.c
..
..
@@ -20,6 +20,7 @@
20
20
 #include <linux/module.h>
21
21
 #include <linux/of_graph.h>
22
22
 #include <linux/rk-camera-module.h>
23
+#include <linux/rk_hdmirx_class.h>
23
24
 #include <linux/slab.h>
24
25
 #include <linux/timer.h>
25
26
 #include <linux/v4l2-dv-timings.h>
..
..
@@ -471,7 +472,6 @@
471
472
 	struct regmap *mipi_regmap;
472
473
 	struct regmap *edid_regmap;
473
474
 	u8 attr_hdmi_reg_bank;
474
-	struct class *hdmirx_class;
475
475
 	struct device *dev;
476
476
 	struct device *classdev;
477
477
 	struct v4l2_fwnode_bus_mipi_csi2 bus;
..
..
@@ -3519,6 +3519,16 @@
3519
3519
 	return 0;
3520
3520
 }
3521
3521
 
3522
+static void it6616_detect_hot_plug(struct v4l2_subdev *sd)
3523
+{
3524
+	struct it6616 *it6616 = to_it6616(sd);
3525
+
3526
+	if (it6616->mipi_tx_video_stable && it6616_hdmi_is_5v_on(it6616))
3527
+		v4l2_ctrl_s_ctrl(it6616->detect_tx_5v_ctrl, 1);
3528
+	else
3529
+		v4l2_ctrl_s_ctrl(it6616->detect_tx_5v_ctrl, 0);
3530
+}
3531
+
3522
3532
 static void it6616_work_i2c_poll(struct work_struct *work)
3523
3533
 {
3524
3534
 	struct delayed_work *dwork = to_delayed_work(work);
..
..
@@ -3526,8 +3536,8 @@
3526
3536
 			struct it6616, work_i2c_poll);
3527
3537
 	bool handled;
3528
3538
 
3529
-	it6616_s_ctrl_detect_tx_5v(&it6616->sd);
3530
3539
 	it6616_isr(&it6616->sd, 0, &handled);
3540
+	it6616_detect_hot_plug(&it6616->sd);
3531
3541
 	schedule_delayed_work(&it6616->work_i2c_poll,
3532
3542
 			msecs_to_jiffies(POLL_INTERVAL_MS));
3533
3543
 }
..
..
@@ -4212,54 +4222,29 @@
4212
4222
 static DEVICE_ATTR_RO(audio_present);
4213
4223
 static DEVICE_ATTR_RO(audio_rate);
4214
4224
 
4225
+static struct attribute *it6616_audio_attrs[] = {
4226
+	&dev_attr_audio_rate.attr,
4227
+	&dev_attr_audio_present.attr,
4228
+	NULL
4229
+};
4230
+ATTRIBUTE_GROUPS(it6616_audio);
4231
+
4215
4232
 static int it6616_create_class_attr(struct it6616 *it6616)
4216
4233
 {
4217
-	int ret = 0;
4218
-
4219
-	it6616->hdmirx_class = class_create(THIS_MODULE, "hdmirx_it6616");
4220
-	if (IS_ERR(it6616->hdmirx_class)) {
4221
-		ret = -ENOMEM;
4222
-		dev_err(it6616->dev, "failed to create hdmirx_it6616 class!\n");
4223
-		return ret;
4224
-	}
4225
-
4226
-	it6616->classdev = device_create(it6616->hdmirx_class, NULL,
4227
-					MKDEV(0, 0), NULL, "hdmirx_it6616");
4228
-	if (IS_ERR(it6616->classdev)) {
4229
-		ret = PTR_ERR(it6616->classdev);
4230
-		dev_err(it6616->dev, "Failed to create device\n");
4231
-		goto err1;
4232
-	}
4233
-
4234
-	ret = device_create_file(it6616->classdev,
4235
-				&dev_attr_audio_present);
4236
-	if (ret) {
4237
-		dev_err(it6616->dev, "failed to create attr audio_present!\n");
4238
-		goto err1;
4239
-	}
4240
-
4241
-	ret = device_create_file(it6616->classdev,
4242
-				&dev_attr_audio_rate);
4243
-	if (ret) {
4244
-		dev_err(it6616->dev,
4245
-			"failed to create attr audio_rate!\n");
4246
-		goto err;
4247
-	}
4248
-
4249
-	return ret;
4250
-
4251
-err:
4252
-	device_remove_file(it6616->classdev, &dev_attr_audio_present);
4253
-err1:
4254
-	class_destroy(it6616->hdmirx_class);
4255
-	return ret;
4234
+	it6616->classdev = device_create_with_groups(rk_hdmirx_class(),
4235
+						     it6616->dev, MKDEV(0, 0),
4236
+						     it6616,
4237
+						     it6616_audio_groups,
4238
+						     "it6616");
4239
+	if (IS_ERR(it6616->classdev))
4240
+		return IS_ERR(it6616->classdev);
4241
+	return 0;
4256
4242
 }
4257
4243
 
4258
4244
 static void it6616_remove_class_attr(struct it6616 *it6616)
4259
4245
 {
4260
4246
 	device_remove_file(it6616->classdev, &dev_attr_audio_rate);
4261
4247
 	device_remove_file(it6616->classdev, &dev_attr_audio_present);
4262
-	class_destroy(it6616->hdmirx_class);
4263
4248
 }
4264
4249
 
4265
4250
 static int it6616_probe(struct i2c_client *client,