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path: root/drivers/media/pci/cx18/cx18-ioctl.c
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Diffstat (limited to 'drivers/media/pci/cx18/cx18-ioctl.c')
-rw-r--r--drivers/media/pci/cx18/cx18-ioctl.c508
1 files changed, 220 insertions, 288 deletions
diff --git a/drivers/media/pci/cx18/cx18-ioctl.c b/drivers/media/pci/cx18/cx18-ioctl.c
index 80b902b12a78..0d676a57e24e 100644
--- a/drivers/media/pci/cx18/cx18-ioctl.c
+++ b/drivers/media/pci/cx18/cx18-ioctl.c
@@ -1,20 +1,11 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* cx18 ioctl system call
*
* Derived from ivtv-ioctl.c
*
- * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl>
+ * Copyright (C) 2007 Hans Verkuil <hverkuil@kernel.org>
* 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 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 "cx18-driver.h"
@@ -36,6 +27,133 @@
#include <media/tveeprom.h>
#include <media/v4l2-event.h>
+static const struct v4l2_fmtdesc cx18_formats_yuv[] = {
+ {
+ .index = 0,
+ .type = V4L2_BUF_TYPE_VIDEO_CAPTURE,
+ .pixelformat = V4L2_PIX_FMT_NV12_16L16,
+ },
+ {
+ .index = 1,
+ .type = V4L2_BUF_TYPE_VIDEO_CAPTURE,
+ .pixelformat = V4L2_PIX_FMT_UYVY,
+ },
+};
+
+static const struct v4l2_fmtdesc cx18_formats_mpeg[] = {
+ {
+ .index = 0,
+ .type = V4L2_BUF_TYPE_VIDEO_CAPTURE,
+ .flags = V4L2_FMT_FLAG_COMPRESSED,
+ .pixelformat = V4L2_PIX_FMT_MPEG,
+ },
+};
+
+static int cx18_g_fmt_vid_cap(struct file *file, void *fh,
+ struct v4l2_format *fmt)
+{
+ struct cx18_open_id *id = file2id(file);
+ struct cx18 *cx = id->cx;
+ struct cx18_stream *s = &cx->streams[id->type];
+ struct v4l2_pix_format *pixfmt = &fmt->fmt.pix;
+
+ pixfmt->width = cx->cxhdl.width;
+ pixfmt->height = cx->cxhdl.height;
+ pixfmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
+ pixfmt->field = V4L2_FIELD_INTERLACED;
+ if (id->type == CX18_ENC_STREAM_TYPE_YUV) {
+ pixfmt->pixelformat = s->pixelformat;
+ pixfmt->sizeimage = s->vb_bytes_per_frame;
+ pixfmt->bytesperline = s->vb_bytes_per_line;
+ } else {
+ pixfmt->pixelformat = V4L2_PIX_FMT_MPEG;
+ pixfmt->sizeimage = 128 * 1024;
+ pixfmt->bytesperline = 0;
+ }
+ return 0;
+}
+
+static int cx18_try_fmt_vid_cap(struct file *file, void *fh,
+ struct v4l2_format *fmt)
+{
+ struct cx18_open_id *id = file2id(file);
+ struct cx18 *cx = id->cx;
+ struct v4l2_pix_format *pixfmt = &fmt->fmt.pix;
+ int w = pixfmt->width;
+ int h = pixfmt->height;
+
+ w = min(w, 720);
+ w = max(w, 720 / 16);
+
+ h = min(h, cx->is_50hz ? 576 : 480);
+ h = max(h, (cx->is_50hz ? 576 : 480) / 8);
+
+ if (id->type == CX18_ENC_STREAM_TYPE_YUV) {
+ if (pixfmt->pixelformat != V4L2_PIX_FMT_NV12_16L16 &&
+ pixfmt->pixelformat != V4L2_PIX_FMT_UYVY)
+ pixfmt->pixelformat = V4L2_PIX_FMT_UYVY;
+ /* YUV height must be a multiple of 32 */
+ h = round_up(h, 32);
+ /*
+ * HM12 YUV size is (Y=(h*720) + UV=(h*(720/2)))
+ * UYUV YUV size is (Y=(h*720) + UV=(h*(720)))
+ */
+ if (pixfmt->pixelformat == V4L2_PIX_FMT_NV12_16L16) {
+ pixfmt->sizeimage = h * 720 * 3 / 2;
+ pixfmt->bytesperline = 720; /* First plane */
+ } else {
+ pixfmt->sizeimage = h * 720 * 2;
+ pixfmt->bytesperline = 1440; /* Packed */
+ }
+ } else {
+ pixfmt->pixelformat = V4L2_PIX_FMT_MPEG;
+ pixfmt->sizeimage = 128 * 1024;
+ pixfmt->bytesperline = 0;
+ }
+
+ pixfmt->width = w;
+ pixfmt->height = h;
+ pixfmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
+ pixfmt->field = V4L2_FIELD_INTERLACED;
+ return 0;
+}
+
+static int cx18_s_fmt_vid_cap(struct file *file, void *fh,
+ struct v4l2_format *fmt)
+{
+ struct cx18_open_id *id = file2id(file);
+ struct cx18 *cx = id->cx;
+ struct v4l2_subdev_format format = {
+ .which = V4L2_SUBDEV_FORMAT_ACTIVE,
+ };
+ struct cx18_stream *s = &cx->streams[id->type];
+ int ret;
+ int w, h;
+
+ ret = cx18_try_fmt_vid_cap(file, fh, fmt);
+ if (ret)
+ return ret;
+ w = fmt->fmt.pix.width;
+ h = fmt->fmt.pix.height;
+
+ if (cx->cxhdl.width == w && cx->cxhdl.height == h &&
+ s->pixelformat == fmt->fmt.pix.pixelformat)
+ return 0;
+
+ if (atomic_read(&cx->ana_capturing) > 0)
+ return -EBUSY;
+
+ s->pixelformat = fmt->fmt.pix.pixelformat;
+ s->vb_bytes_per_frame = fmt->fmt.pix.sizeimage;
+ s->vb_bytes_per_line = fmt->fmt.pix.bytesperline;
+
+ format.format.width = cx->cxhdl.width = w;
+ format.format.height = cx->cxhdl.height = h;
+ format.format.code = MEDIA_BUS_FMT_FIXED;
+ v4l2_subdev_call(cx->sd_av, pad, set_fmt, NULL, &format);
+ return cx18_g_fmt_vid_cap(file, fh, fmt);
+}
+
u16 cx18_service2vbi(int type)
{
switch (type) {
@@ -87,7 +205,7 @@ static u16 select_service_from_set(int field, int line, u16 set, int is_pal)
return 0;
}
for (i = 0; i < 32; i++) {
- if ((1 << i) & set)
+ if (BIT(i) & set)
return 1 << i;
}
return 0;
@@ -140,34 +258,10 @@ u16 cx18_get_service_set(struct v4l2_sliced_vbi_format *fmt)
return set;
}
-static int cx18_g_fmt_vid_cap(struct file *file, void *fh,
- struct v4l2_format *fmt)
-{
- struct cx18_open_id *id = fh2id(fh);
- struct cx18 *cx = id->cx;
- struct cx18_stream *s = &cx->streams[id->type];
- struct v4l2_pix_format *pixfmt = &fmt->fmt.pix;
-
- pixfmt->width = cx->cxhdl.width;
- pixfmt->height = cx->cxhdl.height;
- pixfmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
- pixfmt->field = V4L2_FIELD_INTERLACED;
- if (id->type == CX18_ENC_STREAM_TYPE_YUV) {
- pixfmt->pixelformat = s->pixelformat;
- pixfmt->sizeimage = s->vb_bytes_per_frame;
- pixfmt->bytesperline = s->vb_bytes_per_line;
- } else {
- pixfmt->pixelformat = V4L2_PIX_FMT_MPEG;
- pixfmt->sizeimage = 128 * 1024;
- pixfmt->bytesperline = 0;
- }
- return 0;
-}
-
static int cx18_g_fmt_vbi_cap(struct file *file, void *fh,
struct v4l2_format *fmt)
{
- struct cx18 *cx = fh2id(fh)->cx;
+ struct cx18 *cx = file2id(file)->cx;
struct v4l2_vbi_format *vbifmt = &fmt->fmt.vbi;
vbifmt->sampling_rate = 27000000;
@@ -186,7 +280,7 @@ static int cx18_g_fmt_vbi_cap(struct file *file, void *fh,
static int cx18_g_fmt_sliced_vbi_cap(struct file *file, void *fh,
struct v4l2_format *fmt)
{
- struct cx18 *cx = fh2id(fh)->cx;
+ struct cx18 *cx = file2id(file)->cx;
struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
/* sane, V4L2 spec compliant, defaults */
@@ -208,30 +302,6 @@ static int cx18_g_fmt_sliced_vbi_cap(struct file *file, void *fh,
return 0;
}
-static int cx18_try_fmt_vid_cap(struct file *file, void *fh,
- struct v4l2_format *fmt)
-{
- struct cx18_open_id *id = fh2id(fh);
- struct cx18 *cx = id->cx;
- int w = fmt->fmt.pix.width;
- int h = fmt->fmt.pix.height;
- int min_h = 2;
-
- w = min(w, 720);
- w = max(w, 2);
- if (id->type == CX18_ENC_STREAM_TYPE_YUV) {
- /* YUV height must be a multiple of 32 */
- h &= ~0x1f;
- min_h = 32;
- }
- h = min(h, cx->is_50hz ? 576 : 480);
- h = max(h, min_h);
-
- fmt->fmt.pix.width = w;
- fmt->fmt.pix.height = h;
- return 0;
-}
-
static int cx18_try_fmt_vbi_cap(struct file *file, void *fh,
struct v4l2_format *fmt)
{
@@ -241,7 +311,7 @@ static int cx18_try_fmt_vbi_cap(struct file *file, void *fh,
static int cx18_try_fmt_sliced_vbi_cap(struct file *file, void *fh,
struct v4l2_format *fmt)
{
- struct cx18 *cx = fh2id(fh)->cx;
+ struct cx18 *cx = file2id(file)->cx;
struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
@@ -257,53 +327,10 @@ static int cx18_try_fmt_sliced_vbi_cap(struct file *file, void *fh,
return 0;
}
-static int cx18_s_fmt_vid_cap(struct file *file, void *fh,
- struct v4l2_format *fmt)
-{
- struct cx18_open_id *id = fh2id(fh);
- struct cx18 *cx = id->cx;
- struct v4l2_subdev_format format = {
- .which = V4L2_SUBDEV_FORMAT_ACTIVE,
- };
- struct cx18_stream *s = &cx->streams[id->type];
- int ret;
- int w, h;
-
- ret = cx18_try_fmt_vid_cap(file, fh, fmt);
- if (ret)
- return ret;
- w = fmt->fmt.pix.width;
- h = fmt->fmt.pix.height;
-
- if (cx->cxhdl.width == w && cx->cxhdl.height == h &&
- s->pixelformat == fmt->fmt.pix.pixelformat)
- return 0;
-
- if (atomic_read(&cx->ana_capturing) > 0)
- return -EBUSY;
-
- s->pixelformat = fmt->fmt.pix.pixelformat;
- /* HM12 YUV size is (Y=(h*720) + UV=(h*(720/2)))
- UYUV YUV size is (Y=(h*720) + UV=(h*(720))) */
- if (s->pixelformat == V4L2_PIX_FMT_HM12) {
- s->vb_bytes_per_frame = h * 720 * 3 / 2;
- s->vb_bytes_per_line = 720; /* First plane */
- } else {
- s->vb_bytes_per_frame = h * 720 * 2;
- s->vb_bytes_per_line = 1440; /* Packed */
- }
-
- format.format.width = cx->cxhdl.width = w;
- format.format.height = cx->cxhdl.height = h;
- format.format.code = MEDIA_BUS_FMT_FIXED;
- v4l2_subdev_call(cx->sd_av, pad, set_fmt, NULL, &format);
- return cx18_g_fmt_vid_cap(file, fh, fmt);
-}
-
static int cx18_s_fmt_vbi_cap(struct file *file, void *fh,
struct v4l2_format *fmt)
{
- struct cx18_open_id *id = fh2id(fh);
+ struct cx18_open_id *id = file2id(file);
struct cx18 *cx = id->cx;
int ret;
@@ -333,7 +360,7 @@ static int cx18_s_fmt_vbi_cap(struct file *file, void *fh,
static int cx18_s_fmt_sliced_vbi_cap(struct file *file, void *fh,
struct v4l2_format *fmt)
{
- struct cx18_open_id *id = fh2id(fh);
+ struct cx18_open_id *id = file2id(file);
struct cx18 *cx = id->cx;
int ret;
struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
@@ -365,7 +392,7 @@ static int cx18_s_fmt_sliced_vbi_cap(struct file *file, void *fh,
static int cx18_g_register(struct file *file, void *fh,
struct v4l2_dbg_register *reg)
{
- struct cx18 *cx = fh2id(fh)->cx;
+ struct cx18 *cx = file2id(file)->cx;
if (reg->reg & 0x3)
return -EINVAL;
@@ -379,7 +406,7 @@ static int cx18_g_register(struct file *file, void *fh,
static int cx18_s_register(struct file *file, void *fh,
const struct v4l2_dbg_register *reg)
{
- struct cx18 *cx = fh2id(fh)->cx;
+ struct cx18 *cx = file2id(file)->cx;
if (reg->reg & 0x3)
return -EINVAL;
@@ -393,30 +420,25 @@ static int cx18_s_register(struct file *file, void *fh,
static int cx18_querycap(struct file *file, void *fh,
struct v4l2_capability *vcap)
{
- struct cx18_open_id *id = fh2id(fh);
- struct cx18_stream *s = video_drvdata(file);
+ struct cx18_open_id *id = file2id(file);
struct cx18 *cx = id->cx;
- strlcpy(vcap->driver, CX18_DRIVER_NAME, sizeof(vcap->driver));
- strlcpy(vcap->card, cx->card_name, sizeof(vcap->card));
- snprintf(vcap->bus_info, sizeof(vcap->bus_info),
- "PCI:%s", pci_name(cx->pci_dev));
- vcap->capabilities = cx->v4l2_cap; /* capabilities */
- vcap->device_caps = s->v4l2_dev_caps; /* device capabilities */
- vcap->capabilities |= V4L2_CAP_DEVICE_CAPS;
+ strscpy(vcap->driver, CX18_DRIVER_NAME, sizeof(vcap->driver));
+ strscpy(vcap->card, cx->card_name, sizeof(vcap->card));
+ vcap->capabilities = cx->v4l2_cap | V4L2_CAP_DEVICE_CAPS;
return 0;
}
static int cx18_enumaudio(struct file *file, void *fh, struct v4l2_audio *vin)
{
- struct cx18 *cx = fh2id(fh)->cx;
+ struct cx18 *cx = file2id(file)->cx;
return cx18_get_audio_input(cx, vin->index, vin);
}
static int cx18_g_audio(struct file *file, void *fh, struct v4l2_audio *vin)
{
- struct cx18 *cx = fh2id(fh)->cx;
+ struct cx18 *cx = file2id(file)->cx;
vin->index = cx->audio_input;
return cx18_get_audio_input(cx, vin->index, vin);
@@ -424,7 +446,7 @@ static int cx18_g_audio(struct file *file, void *fh, struct v4l2_audio *vin)
static int cx18_s_audio(struct file *file, void *fh, const struct v4l2_audio *vout)
{
- struct cx18 *cx = fh2id(fh)->cx;
+ struct cx18 *cx = file2id(file)->cx;
if (vout->index >= cx->nof_audio_inputs)
return -EINVAL;
@@ -435,28 +457,29 @@ static int cx18_s_audio(struct file *file, void *fh, const struct v4l2_audio *vo
static int cx18_enum_input(struct file *file, void *fh, struct v4l2_input *vin)
{
- struct cx18 *cx = fh2id(fh)->cx;
+ struct cx18 *cx = file2id(file)->cx;
/* set it to defaults from our table */
return cx18_get_input(cx, vin->index, vin);
}
-static int cx18_cropcap(struct file *file, void *fh,
- struct v4l2_cropcap *cropcap)
+static int cx18_g_pixelaspect(struct file *file, void *fh,
+ int type, struct v4l2_fract *f)
{
- struct cx18 *cx = fh2id(fh)->cx;
+ struct cx18 *cx = file2id(file)->cx;
- if (cropcap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+ if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
- cropcap->pixelaspect.numerator = cx->is_50hz ? 54 : 11;
- cropcap->pixelaspect.denominator = cx->is_50hz ? 59 : 10;
+
+ f->numerator = cx->is_50hz ? 54 : 11;
+ f->denominator = cx->is_50hz ? 59 : 10;
return 0;
}
static int cx18_g_selection(struct file *file, void *fh,
struct v4l2_selection *sel)
{
- struct cx18 *cx = fh2id(fh)->cx;
+ struct cx18 *cx = file2id(file)->cx;
if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
@@ -476,36 +499,30 @@ static int cx18_g_selection(struct file *file, void *fh,
static int cx18_enum_fmt_vid_cap(struct file *file, void *fh,
struct v4l2_fmtdesc *fmt)
{
- static const struct v4l2_fmtdesc formats[] = {
- { 0, V4L2_BUF_TYPE_VIDEO_CAPTURE, 0,
- "HM12 (YUV 4:1:1)", V4L2_PIX_FMT_HM12, { 0, 0, 0, 0 }
- },
- { 1, V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FMT_FLAG_COMPRESSED,
- "MPEG", V4L2_PIX_FMT_MPEG, { 0, 0, 0, 0 }
- },
- { 2, V4L2_BUF_TYPE_VIDEO_CAPTURE, 0,
- "UYVY 4:2:2", V4L2_PIX_FMT_UYVY, { 0, 0, 0, 0 }
- },
- };
+ struct cx18_open_id *id = file2id(file);
- if (fmt->index > ARRAY_SIZE(formats) - 1)
+ if (id->type == CX18_ENC_STREAM_TYPE_YUV) {
+ if (fmt->index >= ARRAY_SIZE(cx18_formats_yuv))
+ return -EINVAL;
+ *fmt = cx18_formats_yuv[fmt->index];
+ return 0;
+ }
+ if (fmt->index)
return -EINVAL;
- *fmt = formats[fmt->index];
+ *fmt = cx18_formats_mpeg[0];
return 0;
}
static int cx18_g_input(struct file *file, void *fh, unsigned int *i)
{
- struct cx18 *cx = fh2id(fh)->cx;
+ struct cx18 *cx = file2id(file)->cx;
*i = cx->active_input;
return 0;
}
-int cx18_s_input(struct file *file, void *fh, unsigned int inp)
+int cx18_do_s_input(struct cx18 *cx, unsigned int inp)
{
- struct cx18_open_id *id = fh2id(fh);
- struct cx18 *cx = id->cx;
v4l2_std_id std = V4L2_STD_ALL;
const struct cx18_card_video_input *card_input =
cx->card->video_inputs + inp;
@@ -539,10 +556,15 @@ int cx18_s_input(struct file *file, void *fh, unsigned int inp)
return 0;
}
+static int cx18_s_input(struct file *file, void *fh, unsigned int inp)
+{
+ return cx18_do_s_input(file2id(file)->cx, inp);
+}
+
static int cx18_g_frequency(struct file *file, void *fh,
struct v4l2_frequency *vf)
{
- struct cx18 *cx = fh2id(fh)->cx;
+ struct cx18 *cx = file2id(file)->cx;
if (vf->tuner != 0)
return -EINVAL;
@@ -551,11 +573,8 @@ static int cx18_g_frequency(struct file *file, void *fh,
return 0;
}
-int cx18_s_frequency(struct file *file, void *fh, const struct v4l2_frequency *vf)
+int cx18_do_s_frequency(struct cx18 *cx, const struct v4l2_frequency *vf)
{
- struct cx18_open_id *id = fh2id(fh);
- struct cx18 *cx = id->cx;
-
if (vf->tuner != 0)
return -EINVAL;
@@ -566,19 +585,22 @@ int cx18_s_frequency(struct file *file, void *fh, const struct v4l2_frequency *v
return 0;
}
+static int cx18_s_frequency(struct file *file, void *fh,
+ const struct v4l2_frequency *vf)
+{
+ return cx18_do_s_frequency(file2id(file)->cx, vf);
+}
+
static int cx18_g_std(struct file *file, void *fh, v4l2_std_id *std)
{
- struct cx18 *cx = fh2id(fh)->cx;
+ struct cx18 *cx = file2id(file)->cx;
*std = cx->std;
return 0;
}
-int cx18_s_std(struct file *file, void *fh, v4l2_std_id std)
+int cx18_do_s_std(struct cx18 *cx, v4l2_std_id std)
{
- struct cx18_open_id *id = fh2id(fh);
- struct cx18 *cx = id->cx;
-
if ((std & V4L2_STD_ALL) == 0)
return -EINVAL;
@@ -599,6 +621,19 @@ int cx18_s_std(struct file *file, void *fh, v4l2_std_id std)
cx2341x_handler_set_50hz(&cx->cxhdl, cx->is_50hz);
cx->cxhdl.width = 720;
cx->cxhdl.height = cx->is_50hz ? 576 : 480;
+ /*
+ * HM12 YUV size is (Y=(h*720) + UV=(h*(720/2)))
+ * UYUV YUV size is (Y=(h*720) + UV=(h*(720)))
+ */
+ if (cx->streams[CX18_ENC_STREAM_TYPE_YUV].pixelformat == V4L2_PIX_FMT_NV12_16L16) {
+ cx->streams[CX18_ENC_STREAM_TYPE_YUV].vb_bytes_per_frame =
+ cx->cxhdl.height * 720 * 3 / 2;
+ cx->streams[CX18_ENC_STREAM_TYPE_YUV].vb_bytes_per_line = 720;
+ } else {
+ cx->streams[CX18_ENC_STREAM_TYPE_YUV].vb_bytes_per_frame =
+ cx->cxhdl.height * 720 * 2;
+ cx->streams[CX18_ENC_STREAM_TYPE_YUV].vb_bytes_per_line = 1440;
+ }
cx->vbi.count = cx->is_50hz ? 18 : 12;
cx->vbi.start[0] = cx->is_50hz ? 6 : 10;
cx->vbi.start[1] = cx->is_50hz ? 318 : 273;
@@ -610,9 +645,14 @@ int cx18_s_std(struct file *file, void *fh, v4l2_std_id std)
return 0;
}
+static int cx18_s_std(struct file *file, void *fh, v4l2_std_id std)
+{
+ return cx18_do_s_std(file2id(file)->cx, std);
+}
+
static int cx18_s_tuner(struct file *file, void *fh, const struct v4l2_tuner *vt)
{
- struct cx18_open_id *id = fh2id(fh);
+ struct cx18_open_id *id = file2id(file);
struct cx18 *cx = id->cx;
if (vt->index != 0)
@@ -624,7 +664,7 @@ static int cx18_s_tuner(struct file *file, void *fh, const struct v4l2_tuner *vt
static int cx18_g_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
{
- struct cx18 *cx = fh2id(fh)->cx;
+ struct cx18 *cx = file2id(file)->cx;
if (vt->index != 0)
return -EINVAL;
@@ -632,16 +672,16 @@ static int cx18_g_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
cx18_call_all(cx, tuner, g_tuner, vt);
if (vt->type == V4L2_TUNER_RADIO)
- strlcpy(vt->name, "cx18 Radio Tuner", sizeof(vt->name));
+ strscpy(vt->name, "cx18 Radio Tuner", sizeof(vt->name));
else
- strlcpy(vt->name, "cx18 TV Tuner", sizeof(vt->name));
+ strscpy(vt->name, "cx18 TV Tuner", sizeof(vt->name));
return 0;
}
static int cx18_g_sliced_vbi_cap(struct file *file, void *fh,
struct v4l2_sliced_vbi_cap *cap)
{
- struct cx18 *cx = fh2id(fh)->cx;
+ struct cx18 *cx = file2id(file)->cx;
int set = cx->is_50hz ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525;
int f, l;
@@ -675,7 +715,7 @@ static int _cx18_process_idx_data(struct cx18_buffer *buf,
struct cx18_enc_idx_entry *e_buf;
/* Frame type lookup: 1=I, 2=P, 4=B */
- const int mapping[8] = {
+ static const int mapping[8] = {
-1, V4L2_ENC_IDX_FRAME_I, V4L2_ENC_IDX_FRAME_P,
-1, V4L2_ENC_IDX_FRAME_B, -1, -1, -1
};
@@ -732,7 +772,7 @@ static int cx18_process_idx_data(struct cx18_stream *s, struct cx18_mdl *mdl,
mdl->curr_buf = list_first_entry(&mdl->buf_list,
struct cx18_buffer, list);
- if (list_entry_is_past_end(mdl->curr_buf, &mdl->buf_list, list)) {
+ if (list_entry_is_head(mdl->curr_buf, &mdl->buf_list, list)) {
/*
* For some reason we've exhausted the buffers, but the MDL
* object still said some data was unread.
@@ -762,7 +802,7 @@ static int cx18_process_idx_data(struct cx18_stream *s, struct cx18_mdl *mdl,
static int cx18_g_enc_index(struct file *file, void *fh,
struct v4l2_enc_idx *idx)
{
- struct cx18 *cx = fh2id(fh)->cx;
+ struct cx18 *cx = file2id(file)->cx;
struct cx18_stream *s = &cx->streams[CX18_ENC_STREAM_TYPE_IDX];
s32 tmp;
struct cx18_mdl *mdl;
@@ -806,121 +846,10 @@ static int cx18_g_enc_index(struct file *file, void *fh,
return 0;
}
-static struct videobuf_queue *cx18_vb_queue(struct cx18_open_id *id)
-{
- struct videobuf_queue *q = NULL;
- struct cx18 *cx = id->cx;
- struct cx18_stream *s = &cx->streams[id->type];
-
- switch (s->vb_type) {
- case V4L2_BUF_TYPE_VIDEO_CAPTURE:
- q = &s->vbuf_q;
- break;
- case V4L2_BUF_TYPE_VBI_CAPTURE:
- break;
- default:
- break;
- }
- return q;
-}
-
-static int cx18_streamon(struct file *file, void *priv,
- enum v4l2_buf_type type)
-{
- struct cx18_open_id *id = file->private_data;
- struct cx18 *cx = id->cx;
- struct cx18_stream *s = &cx->streams[id->type];
-
- /* Start the hardware only if we're the video device */
- if ((s->vb_type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
- (s->vb_type != V4L2_BUF_TYPE_VBI_CAPTURE))
- return -EINVAL;
-
- if (id->type != CX18_ENC_STREAM_TYPE_YUV)
- return -EINVAL;
-
- /* Establish a buffer timeout */
- mod_timer(&s->vb_timeout, msecs_to_jiffies(2000) + jiffies);
-
- return videobuf_streamon(cx18_vb_queue(id));
-}
-
-static int cx18_streamoff(struct file *file, void *priv,
- enum v4l2_buf_type type)
-{
- struct cx18_open_id *id = file->private_data;
- struct cx18 *cx = id->cx;
- struct cx18_stream *s = &cx->streams[id->type];
-
- /* Start the hardware only if we're the video device */
- if ((s->vb_type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
- (s->vb_type != V4L2_BUF_TYPE_VBI_CAPTURE))
- return -EINVAL;
-
- if (id->type != CX18_ENC_STREAM_TYPE_YUV)
- return -EINVAL;
-
- return videobuf_streamoff(cx18_vb_queue(id));
-}
-
-static int cx18_reqbufs(struct file *file, void *priv,
- struct v4l2_requestbuffers *rb)
-{
- struct cx18_open_id *id = file->private_data;
- struct cx18 *cx = id->cx;
- struct cx18_stream *s = &cx->streams[id->type];
-
- if ((s->vb_type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
- (s->vb_type != V4L2_BUF_TYPE_VBI_CAPTURE))
- return -EINVAL;
-
- return videobuf_reqbufs(cx18_vb_queue(id), rb);
-}
-
-static int cx18_querybuf(struct file *file, void *priv,
- struct v4l2_buffer *b)
-{
- struct cx18_open_id *id = file->private_data;
- struct cx18 *cx = id->cx;
- struct cx18_stream *s = &cx->streams[id->type];
-
- if ((s->vb_type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
- (s->vb_type != V4L2_BUF_TYPE_VBI_CAPTURE))
- return -EINVAL;
-
- return videobuf_querybuf(cx18_vb_queue(id), b);
-}
-
-static int cx18_qbuf(struct file *file, void *priv, struct v4l2_buffer *b)
-{
- struct cx18_open_id *id = file->private_data;
- struct cx18 *cx = id->cx;
- struct cx18_stream *s = &cx->streams[id->type];
-
- if ((s->vb_type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
- (s->vb_type != V4L2_BUF_TYPE_VBI_CAPTURE))
- return -EINVAL;
-
- return videobuf_qbuf(cx18_vb_queue(id), b);
-}
-
-static int cx18_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
-{
- struct cx18_open_id *id = file->private_data;
- struct cx18 *cx = id->cx;
- struct cx18_stream *s = &cx->streams[id->type];
-
- if ((s->vb_type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
- (s->vb_type != V4L2_BUF_TYPE_VBI_CAPTURE))
- return -EINVAL;
-
- return videobuf_dqbuf(cx18_vb_queue(id), b, file->f_flags & O_NONBLOCK);
-}
-
static int cx18_encoder_cmd(struct file *file, void *fh,
struct v4l2_encoder_cmd *enc)
{
- struct cx18_open_id *id = fh2id(fh);
+ struct cx18_open_id *id = file2id(file);
struct cx18 *cx = id->cx;
u32 h;
@@ -933,7 +862,7 @@ static int cx18_encoder_cmd(struct file *file, void *fh,
case V4L2_ENC_CMD_STOP:
CX18_DEBUG_IOCTL("V4L2_ENC_CMD_STOP\n");
enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END;
- cx18_stop_capture(id,
+ cx18_stop_capture(&cx->streams[id->type],
enc->flags & V4L2_ENC_CMD_STOP_AT_GOP_END);
break;
@@ -979,7 +908,7 @@ static int cx18_encoder_cmd(struct file *file, void *fh,
static int cx18_try_encoder_cmd(struct file *file, void *fh,
struct v4l2_encoder_cmd *enc)
{
- struct cx18 *cx = fh2id(fh)->cx;
+ struct cx18 *cx = file2id(file)->cx;
switch (enc->cmd) {
case V4L2_ENC_CMD_START:
@@ -1011,7 +940,7 @@ static int cx18_try_encoder_cmd(struct file *file, void *fh,
static int cx18_log_status(struct file *file, void *fh)
{
- struct cx18 *cx = fh2id(fh)->cx;
+ struct cx18 *cx = file2id(file)->cx;
struct v4l2_input vidin;
struct v4l2_audio audin;
int i;
@@ -1055,7 +984,7 @@ static int cx18_log_status(struct file *file, void *fh)
static long cx18_default(struct file *file, void *fh, bool valid_prio,
unsigned int cmd, void *arg)
{
- struct cx18 *cx = fh2id(fh)->cx;
+ struct cx18 *cx = file2id(file)->cx;
switch (cmd) {
case VIDIOC_INT_RESET: {
@@ -1079,7 +1008,7 @@ static const struct v4l2_ioctl_ops cx18_ioctl_ops = {
.vidioc_g_audio = cx18_g_audio,
.vidioc_enumaudio = cx18_enumaudio,
.vidioc_enum_input = cx18_enum_input,
- .vidioc_cropcap = cx18_cropcap,
+ .vidioc_g_pixelaspect = cx18_g_pixelaspect,
.vidioc_g_selection = cx18_g_selection,
.vidioc_g_input = cx18_g_input,
.vidioc_s_input = cx18_s_input,
@@ -1109,12 +1038,15 @@ static const struct v4l2_ioctl_ops cx18_ioctl_ops = {
.vidioc_s_register = cx18_s_register,
#endif
.vidioc_default = cx18_default,
- .vidioc_streamon = cx18_streamon,
- .vidioc_streamoff = cx18_streamoff,
- .vidioc_reqbufs = cx18_reqbufs,
- .vidioc_querybuf = cx18_querybuf,
- .vidioc_qbuf = cx18_qbuf,
- .vidioc_dqbuf = cx18_dqbuf,
+
+ .vidioc_reqbufs = vb2_ioctl_reqbufs,
+ .vidioc_querybuf = vb2_ioctl_querybuf,
+ .vidioc_qbuf = vb2_ioctl_qbuf,
+ .vidioc_dqbuf = vb2_ioctl_dqbuf,
+ .vidioc_create_bufs = vb2_ioctl_create_bufs,
+ .vidioc_streamon = vb2_ioctl_streamon,
+ .vidioc_streamoff = vb2_ioctl_streamoff,
+ .vidioc_prepare_buf = vb2_ioctl_prepare_buf,
.vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
};
generated by cgit (git 2.34.1) at 2025-12-26 09:36:36 +0000