* Derived from cx25840-core.c
*
* Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl>
- * Copyright (C) 2008 Andy Walls <awalls@radix.net>
+ * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
return -EINVAL;
}
-static int cx18_av_g_fmt(struct v4l2_subdev *sd, struct v4l2_format *fmt)
-{
- if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE)
- return -EINVAL;
- return cx18_av_g_sliced_fmt(sd, &fmt->fmt.sliced);
-}
-
-static int cx18_av_s_fmt(struct v4l2_subdev *sd, struct v4l2_format *fmt)
+static int cx18_av_s_mbus_fmt(struct v4l2_subdev *sd, struct v4l2_mbus_framefmt *fmt)
{
struct cx18_av_state *state = to_cx18_av_state(sd);
struct cx18 *cx = v4l2_get_subdevdata(sd);
-
- struct v4l2_pix_format *pix;
int HSC, VSC, Vsrc, Hsrc, filter, Vlines;
int is_50Hz = !(state->std & V4L2_STD_525_60);
- switch (fmt->type) {
- case V4L2_BUF_TYPE_VIDEO_CAPTURE:
- pix = &(fmt->fmt.pix);
+ if (fmt->code != V4L2_MBUS_FMT_FIXED)
+ return -EINVAL;
- Vsrc = (cx18_av_read(cx, 0x476) & 0x3f) << 4;
- Vsrc |= (cx18_av_read(cx, 0x475) & 0xf0) >> 4;
+ fmt->field = V4L2_FIELD_INTERLACED;
+ fmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
- Hsrc = (cx18_av_read(cx, 0x472) & 0x3f) << 4;
- Hsrc |= (cx18_av_read(cx, 0x471) & 0xf0) >> 4;
+ Vsrc = (cx18_av_read(cx, 0x476) & 0x3f) << 4;
+ Vsrc |= (cx18_av_read(cx, 0x475) & 0xf0) >> 4;
- /*
- * This adjustment reflects the excess of vactive, set in
- * cx18_av_std_setup(), above standard values:
- *
- * 480 + 1 for 60 Hz systems
- * 576 + 3 for 50 Hz systems
- */
- Vlines = pix->height + (is_50Hz ? 3 : 1);
-
- /*
- * Invalid height and width scaling requests are:
- * 1. width less than 1/16 of the source width
- * 2. width greater than the source width
- * 3. height less than 1/8 of the source height
- * 4. height greater than the source height
- */
- if ((pix->width * 16 < Hsrc) || (Hsrc < pix->width) ||
- (Vlines * 8 < Vsrc) || (Vsrc < Vlines)) {
- CX18_ERR_DEV(sd, "%dx%d is not a valid size!\n",
- pix->width, pix->height);
- return -ERANGE;
- }
+ Hsrc = (cx18_av_read(cx, 0x472) & 0x3f) << 4;
+ Hsrc |= (cx18_av_read(cx, 0x471) & 0xf0) >> 4;
- HSC = (Hsrc * (1 << 20)) / pix->width - (1 << 20);
- VSC = (1 << 16) - (Vsrc * (1 << 9) / Vlines - (1 << 9));
- VSC &= 0x1fff;
+ /*
+ * This adjustment reflects the excess of vactive, set in
+ * cx18_av_std_setup(), above standard values:
+ *
+ * 480 + 1 for 60 Hz systems
+ * 576 + 3 for 50 Hz systems
+ */
+ Vlines = fmt->height + (is_50Hz ? 3 : 1);
- if (pix->width >= 385)
- filter = 0;
- else if (pix->width > 192)
- filter = 1;
- else if (pix->width > 96)
- filter = 2;
- else
- filter = 3;
+ /*
+ * Invalid height and width scaling requests are:
+ * 1. width less than 1/16 of the source width
+ * 2. width greater than the source width
+ * 3. height less than 1/8 of the source height
+ * 4. height greater than the source height
+ */
+ if ((fmt->width * 16 < Hsrc) || (Hsrc < fmt->width) ||
+ (Vlines * 8 < Vsrc) || (Vsrc < Vlines)) {
+ CX18_ERR_DEV(sd, "%dx%d is not a valid size!\n",
+ fmt->width, fmt->height);
+ return -ERANGE;
+ }
- CX18_DEBUG_INFO_DEV(sd,
- "decoder set size %dx%d -> scale %ux%u\n",
- pix->width, pix->height, HSC, VSC);
-
- /* HSCALE=HSC */
- cx18_av_write(cx, 0x418, HSC & 0xff);
- cx18_av_write(cx, 0x419, (HSC >> 8) & 0xff);
- cx18_av_write(cx, 0x41a, HSC >> 16);
- /* VSCALE=VSC */
- cx18_av_write(cx, 0x41c, VSC & 0xff);
- cx18_av_write(cx, 0x41d, VSC >> 8);
- /* VS_INTRLACE=1 VFILT=filter */
- cx18_av_write(cx, 0x41e, 0x8 | filter);
- break;
+ HSC = (Hsrc * (1 << 20)) / fmt->width - (1 << 20);
+ VSC = (1 << 16) - (Vsrc * (1 << 9) / Vlines - (1 << 9));
+ VSC &= 0x1fff;
- default:
- return -EINVAL;
- }
+ if (fmt->width >= 385)
+ filter = 0;
+ else if (fmt->width > 192)
+ filter = 1;
+ else if (fmt->width > 96)
+ filter = 2;
+ else
+ filter = 3;
+
+ CX18_DEBUG_INFO_DEV(sd,
+ "decoder set size %dx%d -> scale %ux%u\n",
+ fmt->width, fmt->height, HSC, VSC);
+
+ /* HSCALE=HSC */
+ cx18_av_write(cx, 0x418, HSC & 0xff);
+ cx18_av_write(cx, 0x419, (HSC >> 8) & 0xff);
+ cx18_av_write(cx, 0x41a, HSC >> 16);
+ /* VSCALE=VSC */
+ cx18_av_write(cx, 0x41c, VSC & 0xff);
+ cx18_av_write(cx, 0x41d, VSC >> 8);
+ /* VS_INTRLACE=1 VFILT=filter */
+ cx18_av_write(cx, 0x41e, 0x8 | filter);
return 0;
}
static const struct v4l2_subdev_video_ops cx18_av_video_ops = {
.s_routing = cx18_av_s_video_routing,
.s_stream = cx18_av_s_stream,
- .g_fmt = cx18_av_g_fmt,
- .s_fmt = cx18_av_s_fmt,
+ .s_mbus_fmt = cx18_av_s_mbus_fmt,
};
static const struct v4l2_subdev_vbi_ops cx18_av_vbi_ops = {
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff