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Diffstat (limited to 'drivers/media/pci/saa7146/mxb.c')
-rw-r--r--drivers/media/pci/saa7146/mxb.c103
1 files changed, 51 insertions, 52 deletions
diff --git a/drivers/media/pci/saa7146/mxb.c b/drivers/media/pci/saa7146/mxb.c
index 44440c6208df..a14b839098b8 100644
--- a/drivers/media/pci/saa7146/mxb.c
+++ b/drivers/media/pci/saa7146/mxb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
mxb - v4l2 driver for the Multimedia eXtension Board
@@ -6,19 +7,6 @@
Visit http://www.themm.net/~mihu/linux/saa7146/mxb.html
for further details about this card.
- 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.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -60,6 +48,7 @@ static int debug;
module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "Turn on/off device debugging (default:off).");
+#define MXB_STD (V4L2_STD_PAL_BG | V4L2_STD_PAL_I | V4L2_STD_SECAM | V4L2_STD_NTSC)
#define MXB_INPUTS 4
enum { TUNER, AUX1, AUX3, AUX3_YC };
@@ -67,11 +56,11 @@ static struct v4l2_input mxb_inputs[MXB_INPUTS] = {
{ TUNER, "Tuner", V4L2_INPUT_TYPE_TUNER, 0x3f, 0,
V4L2_STD_PAL_BG | V4L2_STD_PAL_I, 0, V4L2_IN_CAP_STD },
{ AUX1, "AUX1", V4L2_INPUT_TYPE_CAMERA, 0x3f, 0,
- V4L2_STD_ALL, 0, V4L2_IN_CAP_STD },
+ MXB_STD, 0, V4L2_IN_CAP_STD },
{ AUX3, "AUX3 Composite", V4L2_INPUT_TYPE_CAMERA, 0x3f, 0,
- V4L2_STD_ALL, 0, V4L2_IN_CAP_STD },
+ MXB_STD, 0, V4L2_IN_CAP_STD },
{ AUX3_YC, "AUX3 S-Video", V4L2_INPUT_TYPE_CAMERA, 0x3f, 0,
- V4L2_STD_ALL, 0, V4L2_IN_CAP_STD },
+ MXB_STD, 0, V4L2_IN_CAP_STD },
};
/* this array holds the information, which port of the saa7146 each
@@ -352,7 +341,7 @@ static int mxb_init_done(struct saa7146_dev* dev)
struct tuner_setup tun_setup;
v4l2_std_id std = V4L2_STD_PAL_BG;
- int i = 0, err = 0;
+ int i, err = 0;
/* mute audio on tea6420s */
tea6420_route(mxb, 6);
@@ -361,7 +350,6 @@ static int mxb_init_done(struct saa7146_dev* dev)
saa7111a_call(mxb, video, s_std, std);
/* select tuner-output on saa7111a */
- i = 0;
saa7111a_call(mxb, video, s_routing, SAA7115_COMPOSITE0,
SAA7111_FMT_CCIR, 0);
@@ -399,7 +387,7 @@ static int mxb_init_done(struct saa7146_dev* dev)
/* check if the saa7740 (aka 'sound arena module') is present
on the mxb. if so, we must initialize it. due to lack of
- informations about the saa7740, the values were reverse
+ information about the saa7740, the values were reverse
engineered. */
msg.addr = 0x1b;
msg.flags = 0;
@@ -469,7 +457,7 @@ static int vidioc_enum_input(struct file *file, void *fh, struct v4l2_input *i)
static int vidioc_g_input(struct file *file, void *fh, unsigned int *i)
{
- struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
+ struct saa7146_dev *dev = video_drvdata(file);
struct mxb *mxb = (struct mxb *)dev->ext_priv;
*i = mxb->cur_input;
@@ -479,7 +467,7 @@ static int vidioc_g_input(struct file *file, void *fh, unsigned int *i)
static int vidioc_s_input(struct file *file, void *fh, unsigned int input)
{
- struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
+ struct saa7146_dev *dev = video_drvdata(file);
struct mxb *mxb = (struct mxb *)dev->ext_priv;
int err = 0;
int i = 0;
@@ -495,7 +483,7 @@ static int vidioc_s_input(struct file *file, void *fh, unsigned int input)
input_port_selection[input].hps_sync);
/* prepare switching of tea6415c and saa7111a;
- have a look at the 'background'-file for further informations */
+ have a look at the 'background'-file for further information */
switch (input) {
case TUNER:
i = SAA7115_COMPOSITE0;
@@ -525,6 +513,9 @@ static int vidioc_s_input(struct file *file, void *fh, unsigned int input)
if (err)
return err;
+ mxb->video_dev.tvnorms = mxb_inputs[input].std;
+ mxb->vbi_dev.tvnorms = mxb_inputs[input].std;
+
/* switch video in saa7111a */
if (saa7111a_call(mxb, video, s_routing, i, SAA7111_FMT_CCIR, 0))
pr_err("VIDIOC_S_INPUT: could not address saa7111a\n");
@@ -541,7 +532,7 @@ static int vidioc_s_input(struct file *file, void *fh, unsigned int input)
static int vidioc_g_tuner(struct file *file, void *fh, struct v4l2_tuner *t)
{
- struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
+ struct saa7146_dev *dev = video_drvdata(file);
struct mxb *mxb = (struct mxb *)dev->ext_priv;
if (t->index) {
@@ -563,7 +554,7 @@ static int vidioc_g_tuner(struct file *file, void *fh, struct v4l2_tuner *t)
static int vidioc_s_tuner(struct file *file, void *fh, const struct v4l2_tuner *t)
{
- struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
+ struct saa7146_dev *dev = video_drvdata(file);
struct mxb *mxb = (struct mxb *)dev->ext_priv;
if (t->index) {
@@ -578,14 +569,14 @@ static int vidioc_s_tuner(struct file *file, void *fh, const struct v4l2_tuner *
static int vidioc_querystd(struct file *file, void *fh, v4l2_std_id *norm)
{
- struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
+ struct saa7146_dev *dev = video_drvdata(file);
return call_all(dev, video, querystd, norm);
}
static int vidioc_g_frequency(struct file *file, void *fh, struct v4l2_frequency *f)
{
- struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
+ struct saa7146_dev *dev = video_drvdata(file);
struct mxb *mxb = (struct mxb *)dev->ext_priv;
if (f->tuner)
@@ -598,9 +589,8 @@ static int vidioc_g_frequency(struct file *file, void *fh, struct v4l2_frequency
static int vidioc_s_frequency(struct file *file, void *fh, const struct v4l2_frequency *f)
{
- struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
+ struct saa7146_dev *dev = video_drvdata(file);
struct mxb *mxb = (struct mxb *)dev->ext_priv;
- struct saa7146_vv *vv = dev->vv_data;
if (f->tuner)
return -EINVAL;
@@ -617,15 +607,6 @@ static int vidioc_s_frequency(struct file *file, void *fh, const struct v4l2_fre
tuner_call(mxb, tuner, g_frequency, &mxb->cur_freq);
if (mxb->cur_audinput == 0)
mxb_update_audmode(mxb);
-
- if (mxb->cur_input)
- return 0;
-
- /* hack: changing the frequency should invalidate the vbi-counter (=> alevt) */
- spin_lock(&dev->slock);
- vv->vbi_fieldcount = 0;
- spin_unlock(&dev->slock);
-
return 0;
}
@@ -639,7 +620,7 @@ static int vidioc_enumaudio(struct file *file, void *fh, struct v4l2_audio *a)
static int vidioc_g_audio(struct file *file, void *fh, struct v4l2_audio *a)
{
- struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
+ struct saa7146_dev *dev = video_drvdata(file);
struct mxb *mxb = (struct mxb *)dev->ext_priv;
DEB_EE("VIDIOC_G_AUDIO\n");
@@ -649,26 +630,27 @@ static int vidioc_g_audio(struct file *file, void *fh, struct v4l2_audio *a)
static int vidioc_s_audio(struct file *file, void *fh, const struct v4l2_audio *a)
{
- struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
+ struct saa7146_dev *dev = video_drvdata(file);
struct mxb *mxb = (struct mxb *)dev->ext_priv;
DEB_D("VIDIOC_S_AUDIO %d\n", a->index);
- if (mxb_inputs[mxb->cur_input].audioset & (1 << a->index)) {
- if (mxb->cur_audinput != a->index) {
- mxb->cur_audinput = a->index;
- tea6420_route(mxb, a->index);
- if (mxb->cur_audinput == 0)
- mxb_update_audmode(mxb);
- }
- return 0;
+ if (a->index >= 32 ||
+ !(mxb_inputs[mxb->cur_input].audioset & (1 << a->index)))
+ return -EINVAL;
+
+ if (mxb->cur_audinput != a->index) {
+ mxb->cur_audinput = a->index;
+ tea6420_route(mxb, a->index);
+ if (mxb->cur_audinput == 0)
+ mxb_update_audmode(mxb);
}
- return -EINVAL;
+ return 0;
}
#ifdef CONFIG_VIDEO_ADV_DEBUG
static int vidioc_g_register(struct file *file, void *fh, struct v4l2_dbg_register *reg)
{
- struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
+ struct saa7146_dev *dev = video_drvdata(file);
if (reg->reg > pci_resource_len(dev->pci, 0) - 4)
return -EINVAL;
@@ -679,7 +661,7 @@ static int vidioc_g_register(struct file *file, void *fh, struct v4l2_dbg_regist
static int vidioc_s_register(struct file *file, void *fh, const struct v4l2_dbg_register *reg)
{
- struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
+ struct saa7146_dev *dev = video_drvdata(file);
if (reg->reg > pci_resource_len(dev->pci, 0) - 4)
return -EINVAL;
@@ -694,10 +676,16 @@ static struct saa7146_ext_vv vv_data;
static int mxb_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_data *info)
{
struct mxb *mxb;
+ int ret;
DEB_EE("dev:%p\n", dev);
- saa7146_vv_init(dev, &vv_data);
+ ret = saa7146_vv_init(dev, &vv_data);
+ if (ret) {
+ ERR("Error in saa7146_vv_init()");
+ return ret;
+ }
+
if (mxb_probe(dev)) {
saa7146_vv_release(dev);
return -1;
@@ -719,7 +707,18 @@ static int mxb_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_data
vv_data.vid_ops.vidioc_g_register = vidioc_g_register;
vv_data.vid_ops.vidioc_s_register = vidioc_s_register;
#endif
- if (saa7146_register_device(&mxb->video_dev, dev, "mxb", VFL_TYPE_GRABBER)) {
+ vv_data.vbi_ops.vidioc_enum_input = vidioc_enum_input;
+ vv_data.vbi_ops.vidioc_g_input = vidioc_g_input;
+ vv_data.vbi_ops.vidioc_s_input = vidioc_s_input;
+ vv_data.vbi_ops.vidioc_querystd = vidioc_querystd;
+ vv_data.vbi_ops.vidioc_g_tuner = vidioc_g_tuner;
+ vv_data.vbi_ops.vidioc_s_tuner = vidioc_s_tuner;
+ vv_data.vbi_ops.vidioc_g_frequency = vidioc_g_frequency;
+ vv_data.vbi_ops.vidioc_s_frequency = vidioc_s_frequency;
+ vv_data.vbi_ops.vidioc_enumaudio = vidioc_enumaudio;
+ vv_data.vbi_ops.vidioc_g_audio = vidioc_g_audio;
+ vv_data.vbi_ops.vidioc_s_audio = vidioc_s_audio;
+ if (saa7146_register_device(&mxb->video_dev, dev, "mxb", VFL_TYPE_VIDEO)) {
ERR("cannot register capture v4l2 device. skipping.\n");
saa7146_vv_release(dev);
return -1;
generated by cgit (git 2.34.1) at 2025-12-25 22:14:20 +0000