From: linux-media-owner@xxxxxxxxxxxxxxx [mailto:linux-media- owner@xxxxxxxxxxxxxxx] On Behalf Of Philipp Zabel Sent: Tuesday, March 17, 2015 4:48 PM > To: linux-media@xxxxxxxxxxxxxxx > Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx; David Airlie; Mauro Carvalho > Chehab; Steve Longerbeam; Hans Verkuil; Kamil Debski; Ian Molton; Jean- > Michel Hautbois; kernel@xxxxxxxxxxxxxx; Sascha Hauer; Lucas Stach; > Philipp Zabel > Subject: [PATCH 4/5] [media] imx-ipu: Add ipu media common code > > From: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> > > Add video4linux API routines common to drivers for units that accept or > provide video data via the i.MX IPU IDMAC channels, such as scaler or > deinterlacer drivers. > > Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> > Signed-off-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx> > Signed-off-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx> Acked-by: Kamil Debski <k.debski@xxxxxxxxxxx> > --- > drivers/media/platform/Kconfig | 2 + > drivers/media/platform/Makefile | 1 + > drivers/media/platform/imx/Kconfig | 2 + > drivers/media/platform/imx/Makefile | 1 + > drivers/media/platform/imx/imx-ipu.c | 313 > +++++++++++++++++++++++++++++++++++ > drivers/media/platform/imx/imx-ipu.h | 35 ++++ > 6 files changed, 354 insertions(+) > create mode 100644 drivers/media/platform/imx/Kconfig > create mode 100644 drivers/media/platform/imx/Makefile > create mode 100644 drivers/media/platform/imx/imx-ipu.c > create mode 100644 drivers/media/platform/imx/imx-ipu.h > > diff --git a/drivers/media/platform/Kconfig > b/drivers/media/platform/Kconfig index d9b872b..650a9a6 100644 > --- a/drivers/media/platform/Kconfig > +++ b/drivers/media/platform/Kconfig > @@ -29,6 +29,8 @@ config VIDEO_VIA_CAMERA > > source "drivers/media/platform/davinci/Kconfig" > > +source "drivers/media/platform/imx/Kconfig" > + > source "drivers/media/platform/omap/Kconfig" > > source "drivers/media/platform/blackfin/Kconfig" > diff --git a/drivers/media/platform/Makefile > b/drivers/media/platform/Makefile index 3ec1547..2e35581 100644 > --- a/drivers/media/platform/Makefile > +++ b/drivers/media/platform/Makefile > @@ -44,6 +44,7 @@ obj-$(CONFIG_SOC_CAMERA) += soc_camera/ > > obj-$(CONFIG_VIDEO_RENESAS_VSP1) += vsp1/ > > +obj-y += imx/ > obj-y += omap/ > > obj-$(CONFIG_VIDEO_AM437X_VPFE) += am437x/ > diff --git a/drivers/media/platform/imx/Kconfig > b/drivers/media/platform/imx/Kconfig > new file mode 100644 > index 0000000..a90c973 > --- /dev/null > +++ b/drivers/media/platform/imx/Kconfig > @@ -0,0 +1,2 @@ > +config VIDEO_IMX_IPU_COMMON > + tristate > diff --git a/drivers/media/platform/imx/Makefile > b/drivers/media/platform/imx/Makefile > new file mode 100644 > index 0000000..5de119c > --- /dev/null > +++ b/drivers/media/platform/imx/Makefile > @@ -0,0 +1 @@ > +obj-$(CONFIG_VIDEO_IMX_IPU_COMMON) += imx-ipu.o > diff --git a/drivers/media/platform/imx/imx-ipu.c > b/drivers/media/platform/imx/imx-ipu.c > new file mode 100644 > index 0000000..c1b8637 > --- /dev/null > +++ b/drivers/media/platform/imx/imx-ipu.c > @@ -0,0 +1,313 @@ > +/* > + * i.MX IPUv3 common v4l2 support > + * > + * Copyright (C) 2011 Sascha Hauer, Pengutronix > + * > + * This program is free software; you can redistribute it and/or > + * modify it under the terms of the GNU General Public License > + * as published by the Free Software Foundation; either version 2 > + * of the License, or (at your option) any later version. > + * This program is distributed in the hope that it will be useful, > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > + * GNU General Public License for more details. > + */ > +#include <linux/module.h> > +#include <media/v4l2-common.h> > +#include <media/v4l2-dev.h> > +#include <media/v4l2-ioctl.h> > + > +#include "imx-ipu.h" > + > +static struct ipu_fmt ipu_fmt_yuv[] = { > + { > + .fourcc = V4L2_PIX_FMT_YUV420, > + .name = "YUV 4:2:0 planar, YCbCr", > + .bytes_per_pixel = 1, > + }, { > + .fourcc = V4L2_PIX_FMT_YVU420, > + .name = "YUV 4:2:0 planar, YCrCb", > + .bytes_per_pixel = 1, > + }, { > + .fourcc = V4L2_PIX_FMT_YUV422P, > + .name = "YUV 4:2:2 planar, YCbCr", > + .bytes_per_pixel = 1, > + }, { > + .fourcc = V4L2_PIX_FMT_NV12, > + .name = "YUV 4:2:0 partial interleaved, YCbCr", > + .bytes_per_pixel = 1, > + }, { > + .fourcc = V4L2_PIX_FMT_UYVY, > + .name = "4:2:2, packed, UYVY", > + .bytes_per_pixel = 2, > + }, { > + .fourcc = V4L2_PIX_FMT_YUYV, > + .name = "4:2:2, packed, YUYV", > + .bytes_per_pixel = 2, > + }, > +}; > + > +static struct ipu_fmt ipu_fmt_rgb[] = { > + { > + .fourcc = V4L2_PIX_FMT_RGB32, > + .name = "RGB888", > + .bytes_per_pixel = 4, > + }, { > + .fourcc = V4L2_PIX_FMT_RGB24, > + .name = "RGB24", > + .bytes_per_pixel = 3, > + }, { > + .fourcc = V4L2_PIX_FMT_BGR24, > + .name = "BGR24", > + .bytes_per_pixel = 3, > + }, { > + .fourcc = V4L2_PIX_FMT_RGB565, > + .name = "RGB565", > + .bytes_per_pixel = 2, > + }, > + { > + .fourcc = V4L2_PIX_FMT_BGR32, > + .name = "BGR888", > + .bytes_per_pixel = 4, > + }, > +}; > + > +struct ipu_fmt *ipu_find_fmt_yuv(unsigned int pixelformat) { > + struct ipu_fmt *fmt; > + int i; > + > + for (i = 0; i < ARRAY_SIZE(ipu_fmt_yuv); i++) { > + fmt = &ipu_fmt_yuv[i]; > + if (fmt->fourcc == pixelformat) > + return fmt; > + } > + > + return NULL; > +} > +EXPORT_SYMBOL_GPL(ipu_find_fmt_yuv); > + > +struct ipu_fmt *ipu_find_fmt_rgb(unsigned int pixelformat) { > + struct ipu_fmt *fmt; > + int i; > + > + for (i = 0; i < ARRAY_SIZE(ipu_fmt_rgb); i++) { > + fmt = &ipu_fmt_rgb[i]; > + if (fmt->fourcc == pixelformat) > + return fmt; > + } > + > + return NULL; > +} > +EXPORT_SYMBOL_GPL(ipu_find_fmt_rgb); > + > +static struct ipu_fmt *ipu_find_fmt(unsigned long pixelformat) { > + struct ipu_fmt *fmt; > + > + fmt = ipu_find_fmt_yuv(pixelformat); > + if (fmt) > + return fmt; > + fmt = ipu_find_fmt_rgb(pixelformat); > + > + return fmt; > +} > +EXPORT_SYMBOL_GPL(ipu_find_fmt); > + > +int ipu_try_fmt(struct file *file, void *fh, > + struct v4l2_format *f) > +{ > + struct ipu_fmt *fmt; > + > + v4l_bound_align_image(&f->fmt.pix.width, 8, 4096, 2, > + &f->fmt.pix.height, 2, 4096, 1, 0); > + > + f->fmt.pix.field = V4L2_FIELD_NONE; > + > + fmt = ipu_find_fmt(f->fmt.pix.pixelformat); > + if (!fmt) > + return -EINVAL; > + > + f->fmt.pix.bytesperline = f->fmt.pix.width * fmt->bytes_per_pixel; > + f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * f- > >fmt.pix.height; > + if (fmt->fourcc == V4L2_PIX_FMT_YUV420 || > + fmt->fourcc == V4L2_PIX_FMT_YVU420 || > + fmt->fourcc == V4L2_PIX_FMT_NV12) > + f->fmt.pix.sizeimage = f->fmt.pix.sizeimage * 3 / 2; > + else if (fmt->fourcc == V4L2_PIX_FMT_YUV422P) > + f->fmt.pix.sizeimage *= 2; > + > + f->fmt.pix.priv = 0; > + > + return 0; > +} > +EXPORT_SYMBOL_GPL(ipu_try_fmt); > + > +int ipu_try_fmt_rgb(struct file *file, void *fh, > + struct v4l2_format *f) > +{ > + struct ipu_fmt *fmt; > + > + fmt = ipu_find_fmt_rgb(f->fmt.pix.pixelformat); > + if (!fmt) > + return -EINVAL; > + > + return ipu_try_fmt(file, fh, f); > +} > +EXPORT_SYMBOL_GPL(ipu_try_fmt_rgb); > + > +int ipu_try_fmt_yuv(struct file *file, void *fh, > + struct v4l2_format *f) > +{ > + struct ipu_fmt *fmt; > + > + fmt = ipu_find_fmt_yuv(f->fmt.pix.pixelformat); > + if (!fmt) > + return -EINVAL; > + > + return ipu_try_fmt(file, fh, f); > +} > +EXPORT_SYMBOL_GPL(ipu_try_fmt_yuv); > + > +int ipu_enum_fmt_rgb(struct file *file, void *fh, > + struct v4l2_fmtdesc *f) > +{ > + struct ipu_fmt *fmt; > + > + if (f->index >= ARRAY_SIZE(ipu_fmt_rgb)) > + return -EINVAL; > + > + fmt = &ipu_fmt_rgb[f->index]; > + > + strlcpy(f->description, fmt->name, sizeof(f->description)); > + f->pixelformat = fmt->fourcc; > + > + return 0; > +} > +EXPORT_SYMBOL_GPL(ipu_enum_fmt_rgb); > + > +int ipu_enum_fmt_yuv(struct file *file, void *fh, > + struct v4l2_fmtdesc *f) > +{ > + struct ipu_fmt *fmt; > + > + if (f->index >= ARRAY_SIZE(ipu_fmt_yuv)) > + return -EINVAL; > + > + fmt = &ipu_fmt_yuv[f->index]; > + > + strlcpy(f->description, fmt->name, sizeof(f->description)); > + f->pixelformat = fmt->fourcc; > + > + return 0; > +} > +EXPORT_SYMBOL_GPL(ipu_enum_fmt_yuv); > + > +int ipu_enum_fmt(struct file *file, void *fh, > + struct v4l2_fmtdesc *f) > +{ > + struct ipu_fmt *fmt; > + int index = f->index; > + > + if (index >= ARRAY_SIZE(ipu_fmt_yuv)) { > + index -= ARRAY_SIZE(ipu_fmt_yuv); > + if (index >= ARRAY_SIZE(ipu_fmt_rgb)) > + return -EINVAL; > + fmt = &ipu_fmt_rgb[index]; > + } else { > + fmt = &ipu_fmt_yuv[index]; > + } > + > + strlcpy(f->description, fmt->name, sizeof(f->description)); > + f->pixelformat = fmt->fourcc; > + > + return 0; > +} > +EXPORT_SYMBOL_GPL(ipu_enum_fmt); > + > +int ipu_s_fmt(struct file *file, void *fh, > + struct v4l2_format *f, struct v4l2_pix_format *pix) { > + int ret; > + > + ret = ipu_try_fmt(file, fh, f); > + if (ret) > + return ret; > + > + pix->width = f->fmt.pix.width; > + pix->height = f->fmt.pix.height; > + pix->pixelformat = f->fmt.pix.pixelformat; > + pix->bytesperline = f->fmt.pix.bytesperline; > + pix->sizeimage = f->fmt.pix.sizeimage; > + pix->colorspace = f->fmt.pix.colorspace; > + > + return 0; > +} > +EXPORT_SYMBOL_GPL(ipu_s_fmt); > + > +int ipu_s_fmt_rgb(struct file *file, void *fh, > + struct v4l2_format *f, struct v4l2_pix_format *pix) { > + struct ipu_fmt *fmt; > + > + fmt = ipu_find_fmt_rgb(f->fmt.pix.pixelformat); > + if (!fmt) > + return -EINVAL; > + > + return ipu_s_fmt(file, fh, f, pix); > +} > +EXPORT_SYMBOL_GPL(ipu_s_fmt_rgb); > + > +int ipu_s_fmt_yuv(struct file *file, void *fh, > + struct v4l2_format *f, struct v4l2_pix_format *pix) { > + struct ipu_fmt *fmt; > + > + fmt = ipu_find_fmt_yuv(f->fmt.pix.pixelformat); > + if (!fmt) > + return -EINVAL; > + > + return ipu_s_fmt(file, fh, f, pix); > +} > +EXPORT_SYMBOL_GPL(ipu_s_fmt_yuv); > + > +int ipu_g_fmt(struct v4l2_format *f, struct v4l2_pix_format *pix) { > + f->fmt.pix.field = V4L2_FIELD_NONE; > + f->fmt.pix.pixelformat = pix->pixelformat; > + f->fmt.pix.bytesperline = pix->bytesperline; > + f->fmt.pix.width = pix->width; > + f->fmt.pix.height = pix->height; > + f->fmt.pix.sizeimage = pix->sizeimage; > + f->fmt.pix.colorspace = pix->colorspace; > + f->fmt.pix.priv = 0; > + > + return 0; > +} > +EXPORT_SYMBOL_GPL(ipu_g_fmt); > + > +int ipu_enum_framesizes(struct file *file, void *fh, > + struct v4l2_frmsizeenum *fsize) > +{ > + struct ipu_fmt *fmt; > + > + if (fsize->index != 0) > + return -EINVAL; > + > + fmt = ipu_find_fmt(fsize->pixel_format); > + if (!fmt) > + return -EINVAL; > + > + fsize->type = V4L2_FRMSIZE_TYPE_CONTINUOUS; > + fsize->stepwise.min_width = 1; > + fsize->stepwise.min_height = 1; > + fsize->stepwise.max_width = 4096; > + fsize->stepwise.max_height = 4096; > + fsize->stepwise.step_width = fsize->stepwise.step_height = 1; > + > + return 0; > +} > +EXPORT_SYMBOL_GPL(ipu_enum_framesizes); > + > +MODULE_LICENSE("GPL"); > diff --git a/drivers/media/platform/imx/imx-ipu.h > b/drivers/media/platform/imx/imx-ipu.h > new file mode 100644 > index 0000000..51c0982 > --- /dev/null > +++ b/drivers/media/platform/imx/imx-ipu.h > @@ -0,0 +1,35 @@ > +#ifndef __MEDIA_IMX_IPU_H > +#define __MEDIA_IMX_IPU_H > +#include <linux/videodev2.h> > + > +struct ipu_fmt { > + u32 fourcc; > + const char *name; > + int bytes_per_pixel; > +}; > + > +int ipu_enum_fmt(struct file *file, void *fh, > + struct v4l2_fmtdesc *f); > +int ipu_enum_fmt_rgb(struct file *file, void *fh, > + struct v4l2_fmtdesc *f); > +int ipu_enum_fmt_yuv(struct file *file, void *fh, > + struct v4l2_fmtdesc *f); > +struct ipu_fmt *ipu_find_fmt_rgb(unsigned int pixelformat); struct > +ipu_fmt *ipu_find_fmt_yuv(unsigned int pixelformat); int > +ipu_try_fmt(struct file *file, void *fh, > + struct v4l2_format *f); > +int ipu_try_fmt_rgb(struct file *file, void *fh, > + struct v4l2_format *f); > +int ipu_try_fmt_yuv(struct file *file, void *fh, > + struct v4l2_format *f); > +int ipu_s_fmt(struct file *file, void *fh, > + struct v4l2_format *f, struct v4l2_pix_format *pix); int > +ipu_s_fmt_rgb(struct file *file, void *fh, > + struct v4l2_format *f, struct v4l2_pix_format *pix); int > +ipu_s_fmt_yuv(struct file *file, void *fh, > + struct v4l2_format *f, struct v4l2_pix_format *pix); int > +ipu_g_fmt(struct v4l2_format *f, struct v4l2_pix_format *pix); int > +ipu_enum_framesizes(struct file *file, void *fh, > + struct v4l2_frmsizeenum *fsize); > + > +#endif /* __MEDIA_IMX_IPU_H */ > -- > 2.1.4 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-media" > in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo > info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
