From: Mauro Carvalho Chehab Date: Thu, 25 Jan 2007 12:04:34 +0000 (-0300) Subject: V4L/DVB (5149): Convert radio-maxiradio to use video_ioctl2 X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=06470ed612cf2bf99bf05d57259d0a65a5481df5;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git V4L/DVB (5149): Convert radio-maxiradio to use video_ioctl2 Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/radio/radio-maxiradio.c b/drivers/media/radio/radio-maxiradio.c index 6beeb74004b1..2fc866086d13 100644 --- a/drivers/media/radio/radio-maxiradio.c +++ b/drivers/media/radio/radio-maxiradio.c @@ -27,7 +27,9 @@ * BUGS: * - card unmutes if you change frequency * - * Converted to V4L2 API by Mauro Carvalho Chehab + * (c) 2006, 2007 by Mauro Carvalho Chehab : + * - Conversion to V4L2 API + * - Uses video_ioctl2 for parsing and to add debug support */ @@ -87,24 +89,14 @@ module_param(radio_nr, int, 0); #define BITS2FREQ(x) ((x) * FREQ_STEP - FREQ_IF) -static int radio_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg); - static const struct file_operations maxiradio_fops = { .owner = THIS_MODULE, .open = video_exclusive_open, .release = video_exclusive_release, - .ioctl = radio_ioctl, + .ioctl = video_ioctl2, .compat_ioctl = v4l_compat_ioctl32, .llseek = no_llseek, }; -static struct video_device maxiradio_radio = -{ - .owner = THIS_MODULE, - .name = "Maxi Radio FM2000 radio", - .type = VID_TYPE_TUNER, - .fops = &maxiradio_fops, -}; static struct radio_device { @@ -181,143 +173,144 @@ static int get_tune(__u16 io) } -static inline int radio_function(struct inode *inode, struct file *file, - unsigned int cmd, void *arg) +static int vidioc_querycap (struct file *file, void *priv, + struct v4l2_capability *v) +{ + strlcpy(v->driver, "radio-maxiradio", sizeof (v->driver)); + strlcpy(v->card, "Maxi Radio FM2000 radio", sizeof (v->card)); + sprintf(v->bus_info,"ISA"); + v->version = RADIO_VERSION; + v->capabilities = V4L2_CAP_TUNER; + + return 0; +} + +static int vidioc_g_tuner (struct file *file, void *priv, + struct v4l2_tuner *v) { struct video_device *dev = video_devdata(file); struct radio_device *card=dev->priv; - switch(cmd) { - case VIDIOC_QUERYCAP: - { - struct v4l2_capability *v = arg; - memset(v,0,sizeof(*v)); - strlcpy(v->driver, "radio-maxiradio", sizeof (v->driver)); - strlcpy(v->card, "Maxi Radio FM2000 radio", sizeof (v->card)); - sprintf(v->bus_info,"ISA"); - v->version = RADIO_VERSION; - v->capabilities = V4L2_CAP_TUNER; + if (v->index > 0) + return -EINVAL; - return 0; - } - case VIDIOC_G_TUNER: - { - struct v4l2_tuner *v = arg; + memset(v,0,sizeof(*v)); + strcpy(v->name, "FM"); + v->type = V4L2_TUNER_RADIO; - if (v->index > 0) - return -EINVAL; + v->rangelow=FREQ_LO; + v->rangehigh=FREQ_HI; + v->rxsubchans =V4L2_TUNER_SUB_MONO|V4L2_TUNER_SUB_STEREO; + v->capability=V4L2_TUNER_CAP_LOW; + if(get_stereo(card->io)) + v->audmode = V4L2_TUNER_MODE_STEREO; + else + v->audmode = V4L2_TUNER_MODE_MONO; + v->signal=0xffff*get_tune(card->io); - memset(v,0,sizeof(*v)); - strcpy(v->name, "FM"); - v->type = V4L2_TUNER_RADIO; + return 0; +} - v->rangelow=FREQ_LO; - v->rangehigh=FREQ_HI; - v->rxsubchans =V4L2_TUNER_SUB_MONO|V4L2_TUNER_SUB_STEREO; - v->capability=V4L2_TUNER_CAP_LOW; - if(get_stereo(card->io)) - v->audmode = V4L2_TUNER_MODE_STEREO; - else - v->audmode = V4L2_TUNER_MODE_MONO; - v->signal=0xffff*get_tune(card->io); +static int vidioc_s_tuner (struct file *file, void *priv, + struct v4l2_tuner *v) +{ + if (v->index > 0) + return -EINVAL; - return 0; - } - case VIDIOC_S_TUNER: - { - struct v4l2_tuner *v = arg; + return 0; +} - if (v->index > 0) - return -EINVAL; +static int vidioc_s_frequency (struct file *file, void *priv, + struct v4l2_frequency *f) +{ + struct video_device *dev = video_devdata(file); + struct radio_device *card=dev->priv; - return 0; - } - case VIDIOC_S_FREQUENCY: - { - struct v4l2_frequency *f = arg; + if (f->frequency < FREQ_LO || f->frequency > FREQ_HI) + return -EINVAL; - if (f->frequency < FREQ_LO || f->frequency > FREQ_HI) - return -EINVAL; + card->freq = f->frequency; + set_freq(card->io, FREQ2BITS(card->freq)); + msleep(125); - card->freq = f->frequency; - set_freq(card->io, FREQ2BITS(card->freq)); - msleep(125); - return 0; - } - case VIDIOC_G_FREQUENCY: - { - struct v4l2_frequency *f = arg; + return 0; +} - f->type = V4L2_TUNER_RADIO; - f->frequency = card->freq; +static int vidioc_g_frequency (struct file *file, void *priv, + struct v4l2_frequency *f) +{ + struct video_device *dev = video_devdata(file); + struct radio_device *card=dev->priv; - return 0; - } - case VIDIOC_QUERYCTRL: - { - struct v4l2_queryctrl *qc = arg; - int i; - - for (i = 0; i < ARRAY_SIZE(radio_qctrl); i++) { - if (qc->id && qc->id == radio_qctrl[i].id) { - memcpy(qc, &(radio_qctrl[i]), - sizeof(*qc)); - return (0); - } - } - return -EINVAL; - } - case VIDIOC_G_CTRL: - { - struct v4l2_control *ctrl= arg; - - switch (ctrl->id) { - case V4L2_CID_AUDIO_MUTE: - ctrl->value=card->muted; - return (0); - } - return -EINVAL; - } - case VIDIOC_S_CTRL: - { - struct v4l2_control *ctrl= arg; - - switch (ctrl->id) { - case V4L2_CID_AUDIO_MUTE: - card->muted = ctrl->value; - if(card->muted) - turn_power(card->io, 0); - else - set_freq(card->io, FREQ2BITS(card->freq)); - return 0; - } - return -EINVAL; + f->type = V4L2_TUNER_RADIO; + f->frequency = card->freq; + + return 0; +} + +static int vidioc_queryctrl (struct file *file, void *priv, + struct v4l2_queryctrl *qc) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(radio_qctrl); i++) { + if (qc->id && qc->id == radio_qctrl[i].id) { + memcpy(qc, &(radio_qctrl[i]), sizeof(*qc)); + return (0); } + } + return -EINVAL; +} - default: - return v4l_compat_translate_ioctl(inode,file,cmd,arg, - radio_function); +static int vidioc_g_ctrl (struct file *file, void *priv, + struct v4l2_control *ctrl) +{ + struct video_device *dev = video_devdata(file); + struct radio_device *card=dev->priv; + switch (ctrl->id) { + case V4L2_CID_AUDIO_MUTE: + ctrl->value=card->muted; + return (0); } + return -EINVAL; } -static int radio_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg) +static int vidioc_s_ctrl (struct file *file, void *priv, + struct v4l2_control *ctrl) { struct video_device *dev = video_devdata(file); struct radio_device *card=dev->priv; - int ret; - mutex_lock(&card->lock); - ret = video_usercopy(inode, file, cmd, arg, radio_function); - mutex_unlock(&card->lock); - return ret; + switch (ctrl->id) { + case V4L2_CID_AUDIO_MUTE: + card->muted = ctrl->value; + if(card->muted) + turn_power(card->io, 0); + else + set_freq(card->io, FREQ2BITS(card->freq)); + return 0; + } + return -EINVAL; } -MODULE_AUTHOR("Dimitromanolakis Apostolos, apdim@grecian.net"); -MODULE_DESCRIPTION("Radio driver for the Guillemot Maxi Radio FM2000 radio."); -MODULE_LICENSE("GPL"); +static struct video_device maxiradio_radio = +{ + .owner = THIS_MODULE, + .name = "Maxi Radio FM2000 radio", + .type = VID_TYPE_TUNER, + .fops = &maxiradio_fops, + + .vidioc_querycap = vidioc_querycap, + .vidioc_g_tuner = vidioc_g_tuner, + .vidioc_s_tuner = vidioc_s_tuner, + .vidioc_g_frequency = vidioc_g_frequency, + .vidioc_s_frequency = vidioc_s_frequency, + .vidioc_queryctrl = vidioc_queryctrl, + .vidioc_g_ctrl = vidioc_g_ctrl, + .vidioc_s_ctrl = vidioc_s_ctrl, +}; static int __devinit maxiradio_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) { @@ -389,3 +382,10 @@ static void __exit maxiradio_radio_exit(void) module_init(maxiradio_radio_init); module_exit(maxiradio_radio_exit); + +MODULE_AUTHOR("Dimitromanolakis Apostolos, apdim@grecian.net"); +MODULE_DESCRIPTION("Radio driver for the Guillemot Maxi Radio FM2000 radio."); +MODULE_LICENSE("GPL"); + +module_param_named(debug,maxiradio_radio.debug, int, 0644); +MODULE_PARM_DESC(debug,"activates debug info");