From ab49ae0f201f1e7e07250d011fffde8ed2530175 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Tue, 1 May 2012 12:57:57 -0300 Subject: [PATCH] [media] saa7146: fix querycap, vbi/video separation and g/s_register The querycap ioctl returned an incorrect version number and incorrect capabilities (mixing up vbi and video caps). The reason for that was that video nodes could do vbi activities: that should be separated between the vbi and video nodes. There were also a few minor problems with dbg_g/s_register that have been resolved. The mxb/saa7146 driver now passes the v4l2_compliance tests. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/common/saa7146_fops.c | 8 ++++-- drivers/media/common/saa7146_video.c | 35 +++++++++++++++++++++--- drivers/media/dvb/ttpci/av7110_v4l.c | 24 ++++++++-------- drivers/media/dvb/ttpci/budget-av.c | 6 ++-- drivers/media/video/hexium_gemini.c | 12 ++++---- drivers/media/video/hexium_orion.c | 6 ++-- drivers/media/video/mxb.c | 41 +++++++++++++++++++--------- include/media/saa7146.h | 2 -- include/media/saa7146_vv.h | 4 ++- 9 files changed, 92 insertions(+), 46 deletions(-) diff --git a/drivers/media/common/saa7146_fops.c b/drivers/media/common/saa7146_fops.c index dfb396568ab..428a543ec2c 100644 --- a/drivers/media/common/saa7146_fops.c +++ b/drivers/media/common/saa7146_fops.c @@ -478,7 +478,8 @@ int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv) v4l2_ctrl_handler_free(hdl); return -ENOMEM; } - ext_vv->ops = saa7146_video_ioctl_ops; + ext_vv->vid_ops = saa7146_video_ioctl_ops; + ext_vv->vbi_ops = saa7146_vbi_ioctl_ops; ext_vv->core_ops = &saa7146_video_ioctl_ops; DEB_EE("dev:%p\n", dev); @@ -579,7 +580,10 @@ int saa7146_register_device(struct video_device **vid, struct saa7146_dev* dev, return -ENOMEM; vfd->fops = &video_fops; - vfd->ioctl_ops = &dev->ext_vv_data->ops; + if (type == VFL_TYPE_GRABBER) + vfd->ioctl_ops = &dev->ext_vv_data->vid_ops; + else + vfd->ioctl_ops = &dev->ext_vv_data->vbi_ops; vfd->release = video_device_release; /* Locking in file operations other than ioctl should be done by the driver, not the V4L2 core. diff --git a/drivers/media/common/saa7146_video.c b/drivers/media/common/saa7146_video.c index 4ca9a256151..9d193208b89 100644 --- a/drivers/media/common/saa7146_video.c +++ b/drivers/media/common/saa7146_video.c @@ -446,18 +446,24 @@ static int video_end(struct saa7146_fh *fh, struct file *file) static int vidioc_querycap(struct file *file, void *fh, struct v4l2_capability *cap) { + struct video_device *vdev = video_devdata(file); struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; strcpy((char *)cap->driver, "saa7146 v4l2"); strlcpy((char *)cap->card, dev->ext->name, sizeof(cap->card)); sprintf((char *)cap->bus_info, "PCI:%s", pci_name(dev->pci)); - cap->version = SAA7146_VERSION_CODE; cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VIDEO_OVERLAY | V4L2_CAP_READWRITE | V4L2_CAP_STREAMING; cap->device_caps |= dev->ext_vv_data->capabilities; + if (vdev->vfl_type == VFL_TYPE_GRABBER) + cap->device_caps &= + ~(V4L2_CAP_VBI_CAPTURE | V4L2_CAP_SLICED_VBI_OUTPUT); + else + cap->device_caps &= + ~(V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VIDEO_OVERLAY); cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; return 0; } @@ -990,10 +996,14 @@ static int vidioc_g_chip_ident(struct file *file, void *__fh, chip->ident = V4L2_IDENT_NONE; chip->revision = 0; - if (chip->match.type == V4L2_CHIP_MATCH_HOST && !chip->match.addr) { - chip->ident = V4L2_IDENT_SAA7146; + if (chip->match.type == V4L2_CHIP_MATCH_HOST) { + if (v4l2_chip_match_host(&chip->match)) + chip->ident = V4L2_IDENT_SAA7146; return 0; } + if (chip->match.type != V4L2_CHIP_MATCH_I2C_DRIVER && + chip->match.type != V4L2_CHIP_MATCH_I2C_ADDR) + return -EINVAL; return v4l2_device_call_until_err(&dev->v4l2_dev, 0, core, g_chip_ident, chip); } @@ -1008,7 +1018,6 @@ const struct v4l2_ioctl_ops saa7146_video_ioctl_ops = { .vidioc_g_fmt_vid_overlay = vidioc_g_fmt_vid_overlay, .vidioc_try_fmt_vid_overlay = vidioc_try_fmt_vid_overlay, .vidioc_s_fmt_vid_overlay = vidioc_s_fmt_vid_overlay, - .vidioc_g_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, .vidioc_g_chip_ident = vidioc_g_chip_ident, .vidioc_overlay = vidioc_overlay, @@ -1027,6 +1036,24 @@ const struct v4l2_ioctl_ops saa7146_video_ioctl_ops = { .vidioc_unsubscribe_event = v4l2_event_unsubscribe, }; +const struct v4l2_ioctl_ops saa7146_vbi_ioctl_ops = { + .vidioc_querycap = vidioc_querycap, + .vidioc_g_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, + .vidioc_g_chip_ident = vidioc_g_chip_ident, + + .vidioc_reqbufs = vidioc_reqbufs, + .vidioc_querybuf = vidioc_querybuf, + .vidioc_qbuf = vidioc_qbuf, + .vidioc_dqbuf = vidioc_dqbuf, + .vidioc_g_std = vidioc_g_std, + .vidioc_s_std = vidioc_s_std, + .vidioc_streamon = vidioc_streamon, + .vidioc_streamoff = vidioc_streamoff, + .vidioc_g_parm = vidioc_g_parm, + .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, + .vidioc_unsubscribe_event = v4l2_event_unsubscribe, +}; + /*********************************************************************************/ /* buffer handling functions */ diff --git a/drivers/media/dvb/ttpci/av7110_v4l.c b/drivers/media/dvb/ttpci/av7110_v4l.c index ee8ee1d481f..f1dc6e76a6a 100644 --- a/drivers/media/dvb/ttpci/av7110_v4l.c +++ b/drivers/media/dvb/ttpci/av7110_v4l.c @@ -802,18 +802,18 @@ int av7110_init_v4l(struct av7110 *av7110) ERR("cannot init capture device. skipping\n"); return -ENODEV; } - vv_data->ops.vidioc_enum_input = vidioc_enum_input; - vv_data->ops.vidioc_g_input = vidioc_g_input; - vv_data->ops.vidioc_s_input = vidioc_s_input; - vv_data->ops.vidioc_g_tuner = vidioc_g_tuner; - vv_data->ops.vidioc_s_tuner = vidioc_s_tuner; - vv_data->ops.vidioc_g_frequency = vidioc_g_frequency; - vv_data->ops.vidioc_s_frequency = vidioc_s_frequency; - vv_data->ops.vidioc_g_audio = vidioc_g_audio; - vv_data->ops.vidioc_s_audio = vidioc_s_audio; - vv_data->ops.vidioc_g_sliced_vbi_cap = vidioc_g_sliced_vbi_cap; - vv_data->ops.vidioc_g_fmt_sliced_vbi_out = vidioc_g_fmt_sliced_vbi_out; - vv_data->ops.vidioc_s_fmt_sliced_vbi_out = vidioc_s_fmt_sliced_vbi_out; + vv_data->vid_ops.vidioc_enum_input = vidioc_enum_input; + vv_data->vid_ops.vidioc_g_input = vidioc_g_input; + vv_data->vid_ops.vidioc_s_input = vidioc_s_input; + vv_data->vid_ops.vidioc_g_tuner = vidioc_g_tuner; + vv_data->vid_ops.vidioc_s_tuner = vidioc_s_tuner; + vv_data->vid_ops.vidioc_g_frequency = vidioc_g_frequency; + vv_data->vid_ops.vidioc_s_frequency = vidioc_s_frequency; + vv_data->vid_ops.vidioc_g_audio = vidioc_g_audio; + vv_data->vid_ops.vidioc_s_audio = vidioc_s_audio; + vv_data->vbi_ops.vidioc_g_sliced_vbi_cap = vidioc_g_sliced_vbi_cap; + vv_data->vbi_ops.vidioc_g_fmt_sliced_vbi_out = vidioc_g_fmt_sliced_vbi_out; + vv_data->vbi_ops.vidioc_s_fmt_sliced_vbi_out = vidioc_s_fmt_sliced_vbi_out; if (saa7146_register_device(&av7110->v4l_dev, dev, "av7110", VFL_TYPE_GRABBER)) { ERR("cannot register capture device. skipping\n"); diff --git a/drivers/media/dvb/ttpci/budget-av.c b/drivers/media/dvb/ttpci/budget-av.c index 8b32e282bf5..12ddb53c58d 100644 --- a/drivers/media/dvb/ttpci/budget-av.c +++ b/drivers/media/dvb/ttpci/budget-av.c @@ -1483,9 +1483,9 @@ static int budget_av_attach(struct saa7146_dev *dev, struct saa7146_pci_extensio ERR("cannot init vv subsystem\n"); return err; } - vv_data.ops.vidioc_enum_input = vidioc_enum_input; - vv_data.ops.vidioc_g_input = vidioc_g_input; - vv_data.ops.vidioc_s_input = vidioc_s_input; + vv_data.vid_ops.vidioc_enum_input = vidioc_enum_input; + vv_data.vid_ops.vidioc_g_input = vidioc_g_input; + vv_data.vid_ops.vidioc_s_input = vidioc_s_input; if ((err = saa7146_register_device(&budget_av->vd, dev, "knc1", VFL_TYPE_GRABBER))) { /* fixme: proper cleanup here */ diff --git a/drivers/media/video/hexium_gemini.c b/drivers/media/video/hexium_gemini.c index a62322d5c0d..22650322d0a 100644 --- a/drivers/media/video/hexium_gemini.c +++ b/drivers/media/video/hexium_gemini.c @@ -399,12 +399,12 @@ static int hexium_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_d hexium->cur_input = 0; saa7146_vv_init(dev, &vv_data); - vv_data.ops.vidioc_queryctrl = vidioc_queryctrl; - vv_data.ops.vidioc_g_ctrl = vidioc_g_ctrl; - vv_data.ops.vidioc_s_ctrl = vidioc_s_ctrl; - vv_data.ops.vidioc_enum_input = vidioc_enum_input; - vv_data.ops.vidioc_g_input = vidioc_g_input; - vv_data.ops.vidioc_s_input = vidioc_s_input; + vv_data.vid_ops.vidioc_queryctrl = vidioc_queryctrl; + vv_data.vid_ops.vidioc_g_ctrl = vidioc_g_ctrl; + vv_data.vid_ops.vidioc_s_ctrl = vidioc_s_ctrl; + vv_data.vid_ops.vidioc_enum_input = vidioc_enum_input; + vv_data.vid_ops.vidioc_g_input = vidioc_g_input; + vv_data.vid_ops.vidioc_s_input = vidioc_s_input; ret = saa7146_register_device(&hexium->video_dev, dev, "hexium gemini", VFL_TYPE_GRABBER); if (ret < 0) { pr_err("cannot register capture v4l2 device. skipping.\n"); diff --git a/drivers/media/video/hexium_orion.c b/drivers/media/video/hexium_orion.c index 23debc967d9..e549339f32d 100644 --- a/drivers/media/video/hexium_orion.c +++ b/drivers/media/video/hexium_orion.c @@ -371,9 +371,9 @@ static int hexium_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_d DEB_EE("\n"); saa7146_vv_init(dev, &vv_data); - vv_data.ops.vidioc_enum_input = vidioc_enum_input; - vv_data.ops.vidioc_g_input = vidioc_g_input; - vv_data.ops.vidioc_s_input = vidioc_s_input; + vv_data.vid_ops.vidioc_enum_input = vidioc_enum_input; + vv_data.vid_ops.vidioc_g_input = vidioc_g_input; + vv_data.vid_ops.vidioc_s_input = vidioc_s_input; if (0 != saa7146_register_device(&hexium->video_dev, dev, "hexium orion", VFL_TYPE_GRABBER)) { pr_err("cannot register capture v4l2 device. skipping.\n"); return -1; diff --git a/drivers/media/video/mxb.c b/drivers/media/video/mxb.c index db0c5ddec87..d2d26129115 100644 --- a/drivers/media/video/mxb.c +++ b/drivers/media/video/mxb.c @@ -662,13 +662,28 @@ static int vidioc_g_register(struct file *file, void *fh, struct v4l2_dbg_regist { struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; - return call_all(dev, core, g_register, reg); + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + if (v4l2_chip_match_host(®->match)) { + reg->val = saa7146_read(dev, reg->reg); + reg->size = 4; + return 0; + } + call_all(dev, core, g_register, reg); + return 0; } static int vidioc_s_register(struct file *file, void *fh, struct v4l2_dbg_register *reg) { struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + if (v4l2_chip_match_host(®->match)) { + saa7146_write(dev, reg->reg, reg->val); + reg->size = 4; + return 0; + } return call_all(dev, core, s_register, reg); } #endif @@ -689,19 +704,19 @@ static int mxb_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_data } mxb = (struct mxb *)dev->ext_priv; - vv_data.ops.vidioc_enum_input = vidioc_enum_input; - vv_data.ops.vidioc_g_input = vidioc_g_input; - vv_data.ops.vidioc_s_input = vidioc_s_input; - vv_data.ops.vidioc_g_tuner = vidioc_g_tuner; - vv_data.ops.vidioc_s_tuner = vidioc_s_tuner; - vv_data.ops.vidioc_g_frequency = vidioc_g_frequency; - vv_data.ops.vidioc_s_frequency = vidioc_s_frequency; - vv_data.ops.vidioc_enumaudio = vidioc_enumaudio; - vv_data.ops.vidioc_g_audio = vidioc_g_audio; - vv_data.ops.vidioc_s_audio = vidioc_s_audio; + vv_data.vid_ops.vidioc_enum_input = vidioc_enum_input; + vv_data.vid_ops.vidioc_g_input = vidioc_g_input; + vv_data.vid_ops.vidioc_s_input = vidioc_s_input; + vv_data.vid_ops.vidioc_g_tuner = vidioc_g_tuner; + vv_data.vid_ops.vidioc_s_tuner = vidioc_s_tuner; + vv_data.vid_ops.vidioc_g_frequency = vidioc_g_frequency; + vv_data.vid_ops.vidioc_s_frequency = vidioc_s_frequency; + vv_data.vid_ops.vidioc_enumaudio = vidioc_enumaudio; + vv_data.vid_ops.vidioc_g_audio = vidioc_g_audio; + vv_data.vid_ops.vidioc_s_audio = vidioc_s_audio; #ifdef CONFIG_VIDEO_ADV_DEBUG - vv_data.ops.vidioc_g_register = vidioc_g_register; - vv_data.ops.vidioc_s_register = vidioc_s_register; + 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)) { ERR("cannot register capture v4l2 device. skipping.\n"); diff --git a/include/media/saa7146.h b/include/media/saa7146.h index c791940c579..773e527deab 100644 --- a/include/media/saa7146.h +++ b/include/media/saa7146.h @@ -18,8 +18,6 @@ #include /* for vmalloc() */ #include /* for vmalloc_to_page() */ -#define SAA7146_VERSION_CODE 0x000600 /* 0.6.0 */ - #define saa7146_write(sxy,adr,dat) writel((dat),(sxy->mem+(adr))) #define saa7146_read(sxy,adr) readl(sxy->mem+(adr)) diff --git a/include/media/saa7146_vv.h b/include/media/saa7146_vv.h index 2bbdf3046be..944ecdf3530 100644 --- a/include/media/saa7146_vv.h +++ b/include/media/saa7146_vv.h @@ -161,7 +161,8 @@ struct saa7146_ext_vv int (*std_callback)(struct saa7146_dev*, struct saa7146_standard *); /* the extension can override this */ - struct v4l2_ioctl_ops ops; + struct v4l2_ioctl_ops vid_ops; + struct v4l2_ioctl_ops vbi_ops; /* pointer to the saa7146 core ops */ const struct v4l2_ioctl_ops *core_ops; @@ -200,6 +201,7 @@ void saa7146_set_gpio(struct saa7146_dev *saa, u8 pin, u8 data); /* from saa7146_video.c */ extern const struct v4l2_ioctl_ops saa7146_video_ioctl_ops; +extern const struct v4l2_ioctl_ops saa7146_vbi_ioctl_ops; extern struct saa7146_use_ops saa7146_video_uops; int saa7146_start_preview(struct saa7146_fh *fh); int saa7146_stop_preview(struct saa7146_fh *fh); -- 2.41.0