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2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/media/platform/exynos4-is/fimc-lite.c
..
..
@@ -1,12 +1,9 @@
1
+// SPDX-License-Identifier: GPL-2.0-only
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2
 /*
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  * Samsung EXYNOS FIMC-LITE (camera host interface) driver
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 *
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  * Copyright (C) 2012 - 2013 Samsung Electronics Co., Ltd.
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  * Author: Sylwester Nawrocki <s.nawrocki@samsung.com>
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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  */
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8
 #define pr_fmt(fmt) "%s:%d " fmt, __func__, __LINE__
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9
 
..
..
@@ -28,6 +25,7 @@
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 #include <media/v4l2-device.h>
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 #include <media/v4l2-ioctl.h>
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 #include <media/v4l2-mem2mem.h>
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+#include <media/v4l2-rect.h>
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 #include <media/videobuf2-v4l2.h>
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 #include <media/videobuf2-dma-contig.h>
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 #include <media/drv-intf/exynos-fimc.h>
..
..
@@ -42,7 +40,6 @@
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40
 
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 static const struct fimc_fmt fimc_lite_formats[] = {
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 	{
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-		.name		= "YUV 4:2:2 packed, YCbYCr",
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 		.fourcc		= V4L2_PIX_FMT_YUYV,
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 		.colorspace	= V4L2_COLORSPACE_JPEG,
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 		.depth		= { 16 },
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..
@@ -51,7 +48,6 @@
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 		.mbus_code	= MEDIA_BUS_FMT_YUYV8_2X8,
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 		.flags		= FMT_FLAGS_YUV,
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 	}, {
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-		.name		= "YUV 4:2:2 packed, CbYCrY",
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 		.fourcc		= V4L2_PIX_FMT_UYVY,
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 		.colorspace	= V4L2_COLORSPACE_JPEG,
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 		.depth		= { 16 },
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@@ -60,7 +56,6 @@
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 		.mbus_code	= MEDIA_BUS_FMT_UYVY8_2X8,
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 		.flags		= FMT_FLAGS_YUV,
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 	}, {
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-		.name		= "YUV 4:2:2 packed, CrYCbY",
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 		.fourcc		= V4L2_PIX_FMT_VYUY,
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 		.colorspace	= V4L2_COLORSPACE_JPEG,
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 		.depth		= { 16 },
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@@ -69,7 +64,6 @@
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 		.mbus_code	= MEDIA_BUS_FMT_VYUY8_2X8,
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 		.flags		= FMT_FLAGS_YUV,
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 	}, {
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-		.name		= "YUV 4:2:2 packed, YCrYCb",
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 		.fourcc		= V4L2_PIX_FMT_YVYU,
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 		.colorspace	= V4L2_COLORSPACE_JPEG,
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 		.depth		= { 16 },
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@@ -78,7 +72,6 @@
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 		.mbus_code	= MEDIA_BUS_FMT_YVYU8_2X8,
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 		.flags		= FMT_FLAGS_YUV,
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 	}, {
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-		.name		= "RAW8 (GRBG)",
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 		.fourcc		= V4L2_PIX_FMT_SGRBG8,
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 		.colorspace	= V4L2_COLORSPACE_SRGB,
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 		.depth		= { 8 },
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@@ -87,7 +80,6 @@
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 		.mbus_code	= MEDIA_BUS_FMT_SGRBG8_1X8,
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 		.flags		= FMT_FLAGS_RAW_BAYER,
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 	}, {
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-		.name		= "RAW10 (GRBG)",
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 		.fourcc		= V4L2_PIX_FMT_SGRBG10,
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 		.colorspace	= V4L2_COLORSPACE_SRGB,
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 		.depth		= { 16 },
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@@ -96,7 +88,6 @@
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 		.mbus_code	= MEDIA_BUS_FMT_SGRBG10_1X10,
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 		.flags		= FMT_FLAGS_RAW_BAYER,
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 	}, {
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-		.name		= "RAW12 (GRBG)",
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 		.fourcc		= V4L2_PIX_FMT_SGRBG12,
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 		.colorspace	= V4L2_COLORSPACE_SRGB,
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 		.depth		= { 16 },
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@@ -478,9 +469,9 @@
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 	}
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 	set_bit(ST_FLITE_IN_USE, &fimc->state);
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-	ret = pm_runtime_get_sync(&fimc->pdev->dev);
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+	ret = pm_runtime_resume_and_get(&fimc->pdev->dev);
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 	if (ret < 0)
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-		goto err_pm;
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+		goto err_in_use;
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 	ret = v4l2_fh_open(file);
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 	if (ret < 0)
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@@ -508,6 +499,7 @@
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 	v4l2_fh_release(file);
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 err_pm:
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 	pm_runtime_put_sync(&fimc->pdev->dev);
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+err_in_use:
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 	clear_bit(ST_FLITE_IN_USE, &fimc->state);
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 unlock:
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 	mutex_unlock(&fimc->lock);
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@@ -654,18 +646,15 @@
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 {
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 	struct fimc_lite *fimc = video_drvdata(file);
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648
 
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-	strlcpy(cap->driver, FIMC_LITE_DRV_NAME, sizeof(cap->driver));
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-	strlcpy(cap->card, FIMC_LITE_DRV_NAME, sizeof(cap->card));
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+	strscpy(cap->driver, FIMC_LITE_DRV_NAME, sizeof(cap->driver));
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+	strscpy(cap->card, FIMC_LITE_DRV_NAME, sizeof(cap->card));
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 	snprintf(cap->bus_info, sizeof(cap->bus_info), "platform:%s",
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 					dev_name(&fimc->pdev->dev));
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-
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-	cap->device_caps = V4L2_CAP_STREAMING;
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-	cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
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 	return 0;
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 }
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655
 
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-static int fimc_lite_enum_fmt_mplane(struct file *file, void *priv,
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-				     struct v4l2_fmtdesc *f)
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+static int fimc_lite_enum_fmt(struct file *file, void *priv,
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+			      struct v4l2_fmtdesc *f)
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 {
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 	const struct fimc_fmt *fmt;
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@@ -673,7 +662,6 @@
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 		return -EINVAL;
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 	fmt = &fimc_lite_formats[f->index];
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-	strlcpy(f->description, fmt->name, sizeof(f->description));
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 	f->pixelformat = fmt->fourcc;
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666
 
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 	return 0;
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@@ -882,19 +870,6 @@
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 	return ret;
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 }
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885
-/* Return 1 if rectangle a is enclosed in rectangle b, or 0 otherwise. */
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-static int enclosed_rectangle(struct v4l2_rect *a, struct v4l2_rect *b)
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-{
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-	if (a->left < b->left || a->top < b->top)
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-		return 0;
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-	if (a->left + a->width > b->left + b->width)
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-		return 0;
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-	if (a->top + a->height > b->top + b->height)
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-		return 0;
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-
895
-	return 1;
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-}
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-
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 static int fimc_lite_g_selection(struct file *file, void *fh,
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 				 struct v4l2_selection *sel)
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 {
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@@ -936,11 +911,11 @@
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 	fimc_lite_try_compose(fimc, &rect);
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 	if ((sel->flags & V4L2_SEL_FLAG_LE) &&
939
-	    !enclosed_rectangle(&rect, &sel->r))
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+	    !v4l2_rect_enclosed(&rect, &sel->r))
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 		return -ERANGE;
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916
 
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 	if ((sel->flags & V4L2_SEL_FLAG_GE) &&
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-	    !enclosed_rectangle(&sel->r, &rect))
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+	    !v4l2_rect_enclosed(&sel->r, &rect))
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 		return -ERANGE;
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 	sel->r = rect;
..
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@@ -954,7 +929,7 @@
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929
 
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 static const struct v4l2_ioctl_ops fimc_lite_ioctl_ops = {
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 	.vidioc_querycap		= fimc_lite_querycap,
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-	.vidioc_enum_fmt_vid_cap_mplane	= fimc_lite_enum_fmt_mplane,
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+	.vidioc_enum_fmt_vid_cap	= fimc_lite_enum_fmt,
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 	.vidioc_try_fmt_vid_cap_mplane	= fimc_lite_try_fmt_mplane,
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 	.vidioc_s_fmt_vid_cap_mplane	= fimc_lite_s_fmt_mplane,
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 	.vidioc_g_fmt_vid_cap_mplane	= fimc_lite_g_fmt_mplane,
..
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@@ -1282,6 +1257,7 @@
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 	vfd->minor = -1;
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 	vfd->release = video_device_release_empty;
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 	vfd->queue = q;
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+	vfd->device_caps = V4L2_CAP_VIDEO_CAPTURE_MPLANE | V4L2_CAP_STREAMING;
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 	fimc->reqbufs_count = 0;
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 	INIT_LIST_HEAD(&fimc->pending_buf_q);
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@@ -1310,7 +1286,7 @@
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 	video_set_drvdata(vfd, fimc);
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 	fimc->ve.pipe = v4l2_get_subdev_hostdata(sd);
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1288
 
1313
-	ret = video_register_device(vfd, VFL_TYPE_GRABBER, -1);
1289
+	ret = video_register_device(vfd, VFL_TYPE_VIDEO, -1);
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 	if (ret < 0) {
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 		media_entity_cleanup(&vfd->entity);
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 		fimc->ve.pipe = NULL;
..
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@@ -1627,6 +1603,9 @@
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 	struct fimc_lite *fimc = platform_get_drvdata(pdev);
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 	struct device *dev = &pdev->dev;
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1605
 
1606
+	if (!pm_runtime_enabled(dev))
1607
+		clk_disable_unprepare(fimc->clock);
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+
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 	pm_runtime_disable(dev);
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1610
 	pm_runtime_set_suspended(dev);
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 	fimc_lite_unregister_capture_subdev(fimc);