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Message-Id: <20220826183240.604834-27-paul.kocialkowski@bootlin.com>
Date: Fri, 26 Aug 2022 20:32:23 +0200
From: Paul Kocialkowski <paul.kocialkowski@...tlin.com>
To: linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev
Cc: Yong Deng <yong.deng@...ewell.com>,
Paul Kocialkowski <paul.kocialkowski@...tlin.com>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Chen-Yu Tsai <wens@...e.org>,
Jernej Skrabec <jernej.skrabec@...il.com>,
Samuel Holland <samuel@...lland.org>,
Laurent Pinchart <laurent.pinchart@...asonboard.com>,
Maxime Ripard <mripard@...nel.org>,
Thomas Petazzoni <thomas.petazzoni@...tlin.com>
Subject: [PATCH v6 26/43] media: sun6i-csi: Remove custom format helper and rework configure
Remove the custom sun6i_csi_get_bpp helper in favor of common v4l2
infrastructure and rework the related window configuration code.
Signed-off-by: Paul Kocialkowski <paul.kocialkowski@...tlin.com>
Acked-by: Jernej Skrabec <jernej.skrabec@...il.com>
---
.../platform/sunxi/sun6i-csi/sun6i_csi.h | 49 -------------
.../sunxi/sun6i-csi/sun6i_csi_capture.c | 70 +++++++++----------
2 files changed, 35 insertions(+), 84 deletions(-)
diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h
index c52a8d94f7de..fdb36c1311ba 100644
--- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h
+++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h
@@ -58,53 +58,4 @@ struct sun6i_csi_variant {
bool sun6i_csi_is_format_supported(struct sun6i_csi_device *csi_dev,
u32 pixformat, u32 mbus_code);
-/* get bpp form v4l2 pixformat */
-static inline int sun6i_csi_get_bpp(unsigned int pixformat)
-{
- switch (pixformat) {
- case V4L2_PIX_FMT_SBGGR8:
- case V4L2_PIX_FMT_SGBRG8:
- case V4L2_PIX_FMT_SGRBG8:
- case V4L2_PIX_FMT_SRGGB8:
- case V4L2_PIX_FMT_JPEG:
- return 8;
- case V4L2_PIX_FMT_SBGGR10:
- case V4L2_PIX_FMT_SGBRG10:
- case V4L2_PIX_FMT_SGRBG10:
- case V4L2_PIX_FMT_SRGGB10:
- return 10;
- case V4L2_PIX_FMT_SBGGR12:
- case V4L2_PIX_FMT_SGBRG12:
- case V4L2_PIX_FMT_SGRBG12:
- case V4L2_PIX_FMT_SRGGB12:
- case V4L2_PIX_FMT_NV12_16L16:
- case V4L2_PIX_FMT_NV12:
- case V4L2_PIX_FMT_NV21:
- case V4L2_PIX_FMT_YUV420:
- case V4L2_PIX_FMT_YVU420:
- return 12;
- case V4L2_PIX_FMT_YUYV:
- case V4L2_PIX_FMT_YVYU:
- case V4L2_PIX_FMT_UYVY:
- case V4L2_PIX_FMT_VYUY:
- case V4L2_PIX_FMT_NV16:
- case V4L2_PIX_FMT_NV61:
- case V4L2_PIX_FMT_YUV422P:
- case V4L2_PIX_FMT_RGB565:
- case V4L2_PIX_FMT_RGB565X:
- return 16;
- case V4L2_PIX_FMT_RGB24:
- case V4L2_PIX_FMT_BGR24:
- return 24;
- case V4L2_PIX_FMT_RGB32:
- case V4L2_PIX_FMT_BGR32:
- return 32;
- default:
- WARN(1, "Unsupported pixformat: 0x%x\n", pixformat);
- break;
- }
-
- return 0;
-}
-
#endif /* __SUN6I_CSI_H__ */
diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c
index d8bcdbd3c9dc..61e8c0cc6fdb 100644
--- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c
+++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c
@@ -483,68 +483,68 @@ static void sun6i_csi_capture_configure_format(struct sun6i_csi_device *csi_dev)
static void sun6i_csi_capture_configure_window(struct sun6i_csi_device *csi_dev)
{
+ struct regmap *regmap = csi_dev->regmap;
+ const struct v4l2_format_info *info;
+ u32 hsize_len, vsize_len;
+ u32 luma_line, chroma_line = 0;
u32 pixelformat, field;
u32 width, height;
- u32 bytesperline_y;
- u32 bytesperline_c;
- u32 hor_len;
sun6i_csi_capture_dimensions(csi_dev, &width, &height);
sun6i_csi_capture_format(csi_dev, &pixelformat, &field);
- hor_len = width;
+ hsize_len = width;
+ vsize_len = height;
switch (pixelformat) {
case V4L2_PIX_FMT_YUYV:
case V4L2_PIX_FMT_YVYU:
case V4L2_PIX_FMT_UYVY:
case V4L2_PIX_FMT_VYUY:
- dev_dbg(csi_dev->dev,
- "Horizontal length should be 2 times of width for packed YUV formats!\n");
- hor_len = width * 2;
+ /*
+ * Horizontal length should be 2 times of width for packed
+ * YUV formats.
+ */
+ hsize_len *= 2;
break;
default:
break;
}
- regmap_write(csi_dev->regmap, SUN6I_CSI_CH_HSIZE_REG,
- SUN6I_CSI_CH_HSIZE_LEN(hor_len) |
+ regmap_write(regmap, SUN6I_CSI_CH_HSIZE_REG,
+ SUN6I_CSI_CH_HSIZE_LEN(hsize_len) |
SUN6I_CSI_CH_HSIZE_START(0));
- regmap_write(csi_dev->regmap, SUN6I_CSI_CH_VSIZE_REG,
- SUN6I_CSI_CH_VSIZE_LEN(height) |
+
+ regmap_write(regmap, SUN6I_CSI_CH_VSIZE_REG,
+ SUN6I_CSI_CH_VSIZE_LEN(vsize_len) |
SUN6I_CSI_CH_VSIZE_START(0));
switch (pixelformat) {
- case V4L2_PIX_FMT_NV12_16L16:
- case V4L2_PIX_FMT_NV12:
- case V4L2_PIX_FMT_NV21:
- case V4L2_PIX_FMT_NV16:
- case V4L2_PIX_FMT_NV61:
- bytesperline_y = width;
- bytesperline_c = width;
+ case V4L2_PIX_FMT_RGB565X:
+ luma_line = width * 2;
break;
- case V4L2_PIX_FMT_YUV420:
- case V4L2_PIX_FMT_YVU420:
- bytesperline_y = width;
- bytesperline_c = width / 2;
+ case V4L2_PIX_FMT_NV12_16L16:
+ luma_line = width;
+ chroma_line = width;
break;
- case V4L2_PIX_FMT_YUV422P:
- bytesperline_y = width;
- bytesperline_c = width / 2;
+ case V4L2_PIX_FMT_JPEG:
+ luma_line = width;
break;
- default: /* raw */
- dev_dbg(csi_dev->dev,
- "Calculating pixelformat(0x%x)'s bytesperline as a packed format\n",
- pixelformat);
- bytesperline_y = (sun6i_csi_get_bpp(pixelformat) *
- width) / 8;
- bytesperline_c = 0;
+ default:
+ info = v4l2_format_info(pixelformat);
+ if (WARN_ON(!info))
+ return;
+
+ luma_line = width * info->bpp[0];
+
+ if (info->comp_planes > 1)
+ chroma_line = width * info->bpp[1] / info->hdiv;
break;
}
- regmap_write(csi_dev->regmap, SUN6I_CSI_CH_BUF_LEN_REG,
- SUN6I_CSI_CH_BUF_LEN_CHROMA_LINE(bytesperline_c) |
- SUN6I_CSI_CH_BUF_LEN_LUMA_LINE(bytesperline_y));
+ regmap_write(regmap, SUN6I_CSI_CH_BUF_LEN_REG,
+ SUN6I_CSI_CH_BUF_LEN_CHROMA_LINE(chroma_line) |
+ SUN6I_CSI_CH_BUF_LEN_LUMA_LINE(luma_line));
}
static void sun6i_csi_capture_configure(struct sun6i_csi_device *csi_dev)
--
2.37.1
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