From d2370f8eee263a0a0260b9df9798f242d4cb13bf Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Mon, 17 Sep 2012 07:22:09 -0300 Subject: [PATCH] [media] cx231xx: convert to the control framework This is needed to resolve the v4l2-compliance complaints about the control ioctls. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/usb/cx231xx/cx231xx-audio.c | 4 - drivers/media/usb/cx231xx/cx231xx-cards.c | 2 - drivers/media/usb/cx231xx/cx231xx-video.c | 244 +++--------------------------- drivers/media/usb/cx231xx/cx231xx.h | 13 +- 4 files changed, 27 insertions(+), 236 deletions(-) diff --git a/drivers/media/usb/cx231xx/cx231xx-audio.c b/drivers/media/usb/cx231xx/cx231xx-audio.c index b4c99c7..b40360b 100644 --- a/drivers/media/usb/cx231xx/cx231xx-audio.c +++ b/drivers/media/usb/cx231xx/cx231xx-audio.c @@ -449,9 +449,6 @@ static int snd_cx231xx_capture_open(struct snd_pcm_substream *substream) return -ENODEV; } - /* Sets volume, mute, etc */ - dev->mute = 0; - /* set alternate setting for audio interface */ /* 1 - 48000 samples per sec */ mutex_lock(&dev->lock); @@ -503,7 +500,6 @@ static int snd_cx231xx_pcm_close(struct snd_pcm_substream *substream) return ret; } - dev->mute = 1; dev->adev.users--; mutex_unlock(&dev->lock); diff --git a/drivers/media/usb/cx231xx/cx231xx-cards.c b/drivers/media/usb/cx231xx/cx231xx-cards.c index 8d52956..d6acb1e 100644 --- a/drivers/media/usb/cx231xx/cx231xx-cards.c +++ b/drivers/media/usb/cx231xx/cx231xx-cards.c @@ -846,8 +846,6 @@ void cx231xx_card_setup(struct cx231xx *dev) int cx231xx_config(struct cx231xx *dev) { /* TBD need to add cx231xx specific code */ - dev->mute = 1; /* maybe not the right place... */ - dev->volume = 0x1f; return 0; } diff --git a/drivers/media/usb/cx231xx/cx231xx-video.c b/drivers/media/usb/cx231xx/cx231xx-video.c index 5389825..7be2e73 100644 --- a/drivers/media/usb/cx231xx/cx231xx-video.c +++ b/drivers/media/usb/cx231xx/cx231xx-video.c @@ -100,125 +100,6 @@ static struct cx231xx_fmt format[] = { }, }; -/* supported controls */ -/* Common to all boards */ - -/* ------------------------------------------------------------------- */ - -static const struct v4l2_queryctrl no_ctl = { - .name = "42", - .flags = V4L2_CTRL_FLAG_DISABLED, -}; - -static struct cx231xx_ctrl cx231xx_ctls[] = { - /* --- video --- */ - { - .v = { - .id = V4L2_CID_BRIGHTNESS, - .name = "Brightness", - .minimum = 0x00, - .maximum = 0xff, - .step = 1, - .default_value = 0x7f, - .type = V4L2_CTRL_TYPE_INTEGER, - }, - .off = 128, - .reg = LUMA_CTRL, - .mask = 0x00ff, - .shift = 0, - }, { - .v = { - .id = V4L2_CID_CONTRAST, - .name = "Contrast", - .minimum = 0, - .maximum = 0xff, - .step = 1, - .default_value = 0x3f, - .type = V4L2_CTRL_TYPE_INTEGER, - }, - .off = 0, - .reg = LUMA_CTRL, - .mask = 0xff00, - .shift = 8, - }, { - .v = { - .id = V4L2_CID_HUE, - .name = "Hue", - .minimum = 0, - .maximum = 0xff, - .step = 1, - .default_value = 0x7f, - .type = V4L2_CTRL_TYPE_INTEGER, - }, - .off = 128, - .reg = CHROMA_CTRL, - .mask = 0xff0000, - .shift = 16, - }, { - /* strictly, this only describes only U saturation. - * V saturation is handled specially through code. - */ - .v = { - .id = V4L2_CID_SATURATION, - .name = "Saturation", - .minimum = 0, - .maximum = 0xff, - .step = 1, - .default_value = 0x7f, - .type = V4L2_CTRL_TYPE_INTEGER, - }, - .off = 0, - .reg = CHROMA_CTRL, - .mask = 0x00ff, - .shift = 0, - }, { - /* --- audio --- */ - .v = { - .id = V4L2_CID_AUDIO_MUTE, - .name = "Mute", - .minimum = 0, - .maximum = 1, - .default_value = 1, - .type = V4L2_CTRL_TYPE_BOOLEAN, - }, - .reg = PATH1_CTL1, - .mask = (0x1f << 24), - .shift = 24, - }, { - .v = { - .id = V4L2_CID_AUDIO_VOLUME, - .name = "Volume", - .minimum = 0, - .maximum = 0x3f, - .step = 1, - .default_value = 0x3f, - .type = V4L2_CTRL_TYPE_INTEGER, - }, - .reg = PATH1_VOL_CTL, - .mask = 0xff, - .shift = 0, - } -}; -static const int CX231XX_CTLS = ARRAY_SIZE(cx231xx_ctls); - -static const u32 cx231xx_user_ctrls[] = { - V4L2_CID_USER_CLASS, - V4L2_CID_BRIGHTNESS, - V4L2_CID_CONTRAST, - V4L2_CID_SATURATION, - V4L2_CID_HUE, - V4L2_CID_AUDIO_VOLUME, -#if 0 - V4L2_CID_AUDIO_BALANCE, -#endif - V4L2_CID_AUDIO_MUTE, - 0 -}; - -static const u32 *ctrl_classes[] = { - cx231xx_user_ctrls, - NULL -}; /* ------------------------------------------------------------------ Video buffer and parser functions @@ -1233,78 +1114,6 @@ static int vidioc_s_input(struct file *file, void *priv, unsigned int i) return 0; } -static int vidioc_queryctrl(struct file *file, void *priv, - struct v4l2_queryctrl *qc) -{ - struct cx231xx_fh *fh = priv; - struct cx231xx *dev = fh->dev; - int id = qc->id; - int i; - int rc; - - rc = check_dev(dev); - if (rc < 0) - return rc; - - qc->id = v4l2_ctrl_next(ctrl_classes, qc->id); - if (unlikely(qc->id == 0)) - return -EINVAL; - - memset(qc, 0, sizeof(*qc)); - - qc->id = id; - - if (qc->id < V4L2_CID_BASE || qc->id >= V4L2_CID_LASTP1) - return -EINVAL; - - for (i = 0; i < CX231XX_CTLS; i++) - if (cx231xx_ctls[i].v.id == qc->id) - break; - - if (i == CX231XX_CTLS) { - *qc = no_ctl; - return 0; - } - *qc = cx231xx_ctls[i].v; - - call_all(dev, core, queryctrl, qc); - - if (qc->type) - return 0; - else - return -EINVAL; -} - -static int vidioc_g_ctrl(struct file *file, void *priv, - struct v4l2_control *ctrl) -{ - struct cx231xx_fh *fh = priv; - struct cx231xx *dev = fh->dev; - int rc; - - rc = check_dev(dev); - if (rc < 0) - return rc; - - call_all(dev, core, g_ctrl, ctrl); - return rc; -} - -static int vidioc_s_ctrl(struct file *file, void *priv, - struct v4l2_control *ctrl) -{ - struct cx231xx_fh *fh = priv; - struct cx231xx *dev = fh->dev; - int rc; - - rc = check_dev(dev); - if (rc < 0) - return rc; - - call_all(dev, core, s_ctrl, ctrl); - return rc; -} - static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) { struct cx231xx_fh *fh = priv; @@ -2012,26 +1821,6 @@ static int radio_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t) return 0; } -static int radio_queryctrl(struct file *file, void *priv, - struct v4l2_queryctrl *c) -{ - int i; - - if (c->id < V4L2_CID_BASE || c->id >= V4L2_CID_LASTP1) - return -EINVAL; - if (c->id == V4L2_CID_AUDIO_MUTE) { - for (i = 0; i < CX231XX_CTLS; i++) { - if (cx231xx_ctls[i].v.id == c->id) - break; - } - if (i == CX231XX_CTLS) - return -EINVAL; - *c = cx231xx_ctls[i].v; - } else - *c = no_ctl; - return 0; -} - /* * cx231xx_v4l2_open() * inits the device and starts isoc transfer @@ -2180,6 +1969,8 @@ void cx231xx_release_analog_resources(struct cx231xx *dev) video_device_release(dev->vdev); dev->vdev = NULL; } + v4l2_ctrl_handler_free(&dev->ctrl_handler); + v4l2_ctrl_handler_free(&dev->radio_ctrl_handler); } /* @@ -2402,9 +2193,6 @@ static const struct v4l2_ioctl_ops video_ioctl_ops = { .vidioc_enum_input = vidioc_enum_input, .vidioc_g_input = vidioc_g_input, .vidioc_s_input = vidioc_s_input, - .vidioc_queryctrl = vidioc_queryctrl, - .vidioc_g_ctrl = vidioc_g_ctrl, - .vidioc_s_ctrl = vidioc_s_ctrl, .vidioc_streamon = vidioc_streamon, .vidioc_streamoff = vidioc_streamoff, .vidioc_g_tuner = vidioc_g_tuner, @@ -2439,9 +2227,6 @@ static const struct v4l2_ioctl_ops radio_ioctl_ops = { .vidioc_querycap = vidioc_querycap, .vidioc_g_tuner = radio_g_tuner, .vidioc_s_tuner = radio_s_tuner, - .vidioc_queryctrl = radio_queryctrl, - .vidioc_g_ctrl = vidioc_g_ctrl, - .vidioc_s_ctrl = vidioc_s_ctrl, .vidioc_g_frequency = vidioc_g_frequency, .vidioc_s_frequency = vidioc_s_frequency, .vidioc_g_chip_ident = vidioc_g_chip_ident, @@ -2506,9 +2291,21 @@ int cx231xx_register_analog_devices(struct cx231xx *dev) /* Set the initial input */ video_mux(dev, dev->video_input); - /* Audio defaults */ - dev->mute = 1; - dev->volume = 0x1f; + v4l2_ctrl_handler_init(&dev->ctrl_handler, 10); + v4l2_ctrl_handler_init(&dev->radio_ctrl_handler, 5); + + if (dev->sd_cx25840) { + v4l2_ctrl_add_handler(&dev->ctrl_handler, + dev->sd_cx25840->ctrl_handler, NULL); + v4l2_ctrl_add_handler(&dev->radio_ctrl_handler, + dev->sd_cx25840->ctrl_handler, + v4l2_ctrl_radio_filter); + } + + if (dev->ctrl_handler.error) + return dev->ctrl_handler.error; + if (dev->radio_ctrl_handler.error) + return dev->radio_ctrl_handler.error; /* enable vbi capturing */ /* write code here... */ @@ -2520,6 +2317,7 @@ int cx231xx_register_analog_devices(struct cx231xx *dev) return -ENODEV; } + dev->vdev->ctrl_handler = &dev->ctrl_handler; /* register v4l2 video video_device */ ret = video_register_device(dev->vdev, VFL_TYPE_GRABBER, video_nr[dev->devno]); @@ -2539,6 +2337,11 @@ int cx231xx_register_analog_devices(struct cx231xx *dev) /* Allocate and fill vbi video_device struct */ dev->vbi_dev = cx231xx_vdev_init(dev, &cx231xx_vbi_template, "vbi"); + if (!dev->vbi_dev) { + cx231xx_errdev("cannot allocate video_device.\n"); + return -ENODEV; + } + dev->vbi_dev->ctrl_handler = &dev->ctrl_handler; /* register v4l2 vbi video_device */ ret = video_register_device(dev->vbi_dev, VFL_TYPE_VBI, vbi_nr[dev->devno]); @@ -2557,6 +2360,7 @@ int cx231xx_register_analog_devices(struct cx231xx *dev) cx231xx_errdev("cannot allocate video_device.\n"); return -ENODEV; } + dev->radio_dev->ctrl_handler = &dev->radio_ctrl_handler; ret = video_register_device(dev->radio_dev, VFL_TYPE_RADIO, radio_nr[dev->devno]); if (ret < 0) { diff --git a/drivers/media/usb/cx231xx/cx231xx.h b/drivers/media/usb/cx231xx/cx231xx.h index 3e11462..53408ce 100644 --- a/drivers/media/usb/cx231xx/cx231xx.h +++ b/drivers/media/usb/cx231xx/cx231xx.h @@ -33,6 +33,7 @@ #include #include +#include #include #include #include @@ -516,14 +517,6 @@ struct cx231xx_tvnorm { u32 cxoformat; }; -struct cx231xx_ctrl { - struct v4l2_queryctrl v; - u32 off; - u32 reg; - u32 mask; - u32 shift; -}; - enum TRANSFER_TYPE { Raw_Video = 0, Audio, @@ -631,6 +624,8 @@ struct cx231xx { struct v4l2_device v4l2_dev; struct v4l2_subdev *sd_cx25840; struct v4l2_subdev *sd_tuner; + struct v4l2_ctrl_handler ctrl_handler; + struct v4l2_ctrl_handler radio_ctrl_handler; struct work_struct wq_trigger; /* Trigger to start/stop audio for alsa module */ atomic_t stream_started; /* stream should be running if true */ @@ -653,8 +648,6 @@ struct cx231xx { v4l2_std_id norm; /* selected tv norm */ int ctl_freq; /* selected frequency */ unsigned int ctl_ainput; /* selected audio input */ - int mute; - int volume; /* frame properties */ int width; /* current frame width */ -- 2.7.4