From 9370bb92b2d16684ee45cf24e879c93c509162da Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 19 Dec 2024 01:47:39 +0000
Subject: [PATCH] add wifi6 8852be driver

---
 kernel/drivers/media/i2c/ov2640.c |   79 +++++++++++++++++++++++++++++++--------
 1 files changed, 62 insertions(+), 17 deletions(-)

diff --git a/kernel/drivers/media/i2c/ov2640.c b/kernel/drivers/media/i2c/ov2640.c
index beb7220..4a4bd5b 100644
--- a/kernel/drivers/media/i2c/ov2640.c
+++ b/kernel/drivers/media/i2c/ov2640.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * ov2640 Camera Driver
  *
@@ -7,10 +8,6 @@
  *
  * Copyright 2005-2009 Freescale Semiconductor, Inc. All Rights Reserved.
  * Copyright (C) 2006, OmniVision
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 
 #include <linux/init.h>
@@ -26,6 +23,7 @@
 #include <linux/videodev2.h>
 
 #include <media/v4l2-device.h>
+#include <media/v4l2-event.h>
 #include <media/v4l2-subdev.h>
 #include <media/v4l2-ctrls.h>
 #include <media/v4l2-image-sizes.h>
@@ -705,6 +703,11 @@
 	return ret;
 }
 
+static const char * const ov2640_test_pattern_menu[] = {
+	"Disabled",
+	"Eight Vertical Colour Bars",
+};
+
 /*
  * functions
  */
@@ -740,6 +743,9 @@
 	case V4L2_CID_HFLIP:
 		val = ctrl->val ? REG04_HFLIP_IMG : 0x00;
 		return ov2640_mask_set(client, REG04, REG04_HFLIP_IMG, val);
+	case V4L2_CID_TEST_PATTERN:
+		val = ctrl->val ? COM7_COLOR_BAR_TEST : 0x00;
+		return ov2640_mask_set(client, COM7, COM7_COLOR_BAR_TEST, val);
 	}
 
 	return -EINVAL;
@@ -833,9 +839,6 @@
 	u8 val;
 	int ret;
 
-	if (!win)
-		return -EINVAL;
-
 	switch (code) {
 	case MEDIA_BUS_FMT_RGB565_2X8_BE:
 		dev_dbg(&client->dev, "%s: Selected cfmt RGB565 BE", __func__);
@@ -920,9 +923,14 @@
 	if (format->pad)
 		return -EINVAL;
 
-	if (!priv->win) {
-		priv->win = ov2640_select_win(SVGA_WIDTH, SVGA_HEIGHT);
-		priv->cfmt_code = MEDIA_BUS_FMT_UYVY8_2X8;
+	if (format->which == V4L2_SUBDEV_FORMAT_TRY) {
+#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
+		mf = v4l2_subdev_get_try_format(sd, cfg, 0);
+		format->format = *mf;
+		return 0;
+#else
+		return -EINVAL;
+#endif
 	}
 
 	mf->width	= priv->win->width;
@@ -930,6 +938,9 @@
 	mf->code	= priv->cfmt_code;
 	mf->colorspace	= V4L2_COLORSPACE_SRGB;
 	mf->field	= V4L2_FIELD_NONE;
+	mf->ycbcr_enc	= V4L2_YCBCR_ENC_DEFAULT;
+	mf->quantization = V4L2_QUANTIZATION_DEFAULT;
+	mf->xfer_func	= V4L2_XFER_FUNC_DEFAULT;
 
 	return 0;
 }
@@ -956,6 +967,9 @@
 
 	mf->field	= V4L2_FIELD_NONE;
 	mf->colorspace	= V4L2_COLORSPACE_SRGB;
+	mf->ycbcr_enc	= V4L2_YCBCR_ENC_DEFAULT;
+	mf->quantization = V4L2_QUANTIZATION_DEFAULT;
+	mf->xfer_func	= V4L2_XFER_FUNC_DEFAULT;
 
 	switch (mf->code) {
 	case MEDIA_BUS_FMT_RGB565_2X8_BE:
@@ -990,6 +1004,27 @@
 	return ret;
 }
 
+static int ov2640_init_cfg(struct v4l2_subdev *sd,
+			   struct v4l2_subdev_pad_config *cfg)
+{
+#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
+	struct v4l2_mbus_framefmt *try_fmt =
+		v4l2_subdev_get_try_format(sd, cfg, 0);
+	const struct ov2640_win_size *win =
+		ov2640_select_win(SVGA_WIDTH, SVGA_HEIGHT);
+
+	try_fmt->width = win->width;
+	try_fmt->height = win->height;
+	try_fmt->code = MEDIA_BUS_FMT_UYVY8_2X8;
+	try_fmt->colorspace = V4L2_COLORSPACE_SRGB;
+	try_fmt->field = V4L2_FIELD_NONE;
+	try_fmt->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
+	try_fmt->quantization = V4L2_QUANTIZATION_DEFAULT;
+	try_fmt->xfer_func = V4L2_XFER_FUNC_DEFAULT;
+#endif
+	return 0;
+}
+
 static int ov2640_enum_mbus_code(struct v4l2_subdev *sd,
 		struct v4l2_subdev_pad_config *cfg,
 		struct v4l2_subdev_mbus_code_enum *code)
@@ -1010,7 +1045,6 @@
 
 	switch (sel->target) {
 	case V4L2_SEL_TGT_CROP_BOUNDS:
-	case V4L2_SEL_TGT_CROP_DEFAULT:
 	case V4L2_SEL_TGT_CROP:
 		sel->r.left = 0;
 		sel->r.top = 0;
@@ -1089,6 +1123,9 @@
 };
 
 static const struct v4l2_subdev_core_ops ov2640_subdev_core_ops = {
+	.log_status = v4l2_ctrl_subdev_log_status,
+	.subscribe_event = v4l2_ctrl_subdev_subscribe_event,
+	.unsubscribe_event = v4l2_event_subdev_unsubscribe,
 #ifdef CONFIG_VIDEO_ADV_DEBUG
 	.g_register	= ov2640_g_register,
 	.s_register	= ov2640_s_register,
@@ -1097,6 +1134,7 @@
 };
 
 static const struct v4l2_subdev_pad_ops ov2640_subdev_pad_ops = {
+	.init_cfg	= ov2640_init_cfg,
 	.enum_mbus_code = ov2640_enum_mbus_code,
 	.get_selection	= ov2640_get_selection,
 	.get_fmt	= ov2640_get_fmt,
@@ -1152,11 +1190,10 @@
 /*
  * i2c_driver functions
  */
-static int ov2640_probe(struct i2c_client *client,
-			const struct i2c_device_id *did)
+static int ov2640_probe(struct i2c_client *client)
 {
 	struct ov2640_priv	*priv;
-	struct i2c_adapter	*adapter = to_i2c_adapter(client->dev.parent);
+	struct i2c_adapter	*adapter = client->adapter;
 	int			ret;
 
 	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
@@ -1182,15 +1219,23 @@
 	if (ret)
 		goto err_clk;
 
+	priv->win = ov2640_select_win(SVGA_WIDTH, SVGA_HEIGHT);
+	priv->cfmt_code = MEDIA_BUS_FMT_UYVY8_2X8;
+
 	v4l2_i2c_subdev_init(&priv->subdev, client, &ov2640_subdev_ops);
-	priv->subdev.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
+	priv->subdev.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE |
+			      V4L2_SUBDEV_FL_HAS_EVENTS;
 	mutex_init(&priv->lock);
-	v4l2_ctrl_handler_init(&priv->hdl, 2);
+	v4l2_ctrl_handler_init(&priv->hdl, 3);
 	priv->hdl.lock = &priv->lock;
 	v4l2_ctrl_new_std(&priv->hdl, &ov2640_ctrl_ops,
 			V4L2_CID_VFLIP, 0, 1, 1, 0);
 	v4l2_ctrl_new_std(&priv->hdl, &ov2640_ctrl_ops,
 			V4L2_CID_HFLIP, 0, 1, 1, 0);
+	v4l2_ctrl_new_std_menu_items(&priv->hdl, &ov2640_ctrl_ops,
+			V4L2_CID_TEST_PATTERN,
+			ARRAY_SIZE(ov2640_test_pattern_menu) - 1, 0, 0,
+			ov2640_test_pattern_menu);
 	priv->subdev.ctrl_handler = &priv->hdl;
 	if (priv->hdl.error) {
 		ret = priv->hdl.error;
@@ -1256,7 +1301,7 @@
 		.name = "ov2640",
 		.of_match_table = of_match_ptr(ov2640_of_match),
 	},
-	.probe    = ov2640_probe,
+	.probe_new = ov2640_probe,
 	.remove   = ov2640_remove,
 	.id_table = ov2640_id,
 };

--
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