V4L/DVB (4353): V4L2 conversion: radio-sf16fmi
Driver conversion to V4L2 API. Require some testing, since this obsolete hardware is not common those days. Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Mauro Carvalho Chehab
Родитель
f8c559f8c0
Коммит
a2ef73af4c
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@ -208,7 +208,7 @@ config RADIO_MIROPCM20_RDS
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config RADIO_SF16FMI
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tristate "SF16FMI Radio"
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depends on ISA && VIDEO_V4L1
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depends on ISA && VIDEO_V4L2
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---help---
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Choose Y here if you have one of these FM radio cards. If you
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compile the driver into the kernel and your card is not PnP one, you
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@ -13,6 +13,7 @@
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* No volume control - only mute/unmute - you have to use line volume
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* control on SB-part of SF16FMI
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*
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* Converted to V4L2 API by Mauro Carvalho Chehab <mchehab@infradead.org>
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*/
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#include <linux/kernel.h> /* __setup */
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@ -20,13 +21,26 @@
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#include <linux/init.h> /* Initdata */
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#include <linux/ioport.h> /* request_region */
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#include <linux/delay.h> /* udelay */
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#include <linux/videodev.h> /* kernel radio structs */
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#include <linux/videodev2.h> /* kernel radio structs */
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#include <media/v4l2-common.h>
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#include <linux/isapnp.h>
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#include <asm/io.h> /* outb, outb_p */
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#include <asm/uaccess.h> /* copy to/from user */
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#include <linux/mutex.h>
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#define RADIO_VERSION KERNEL_VERSION(0,0,2)
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static struct v4l2_queryctrl radio_qctrl[] = {
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{
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.id = V4L2_CID_AUDIO_MUTE,
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.name = "Mute",
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.minimum = 0,
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.maximum = 1,
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.default_value = 1,
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.type = V4L2_CTRL_TYPE_BOOLEAN,
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}
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};
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struct fmi_device
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{
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int port;
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@ -123,93 +137,122 @@ static int fmi_do_ioctl(struct inode *inode, struct file *file,
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switch(cmd)
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{
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case VIDIOCGCAP:
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case VIDIOC_QUERYCAP:
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{
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struct video_capability *v = arg;
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struct v4l2_capability *v = arg;
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memset(v,0,sizeof(*v));
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strcpy(v->name, "SF16-FMx radio");
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v->type=VID_TYPE_TUNER;
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v->channels=1;
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v->audios=1;
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strlcpy(v->driver, "radio-sf16fmi", sizeof (v->driver));
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strlcpy(v->card, "SF16-FMx radio", sizeof (v->card));
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sprintf(v->bus_info,"ISA");
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v->version = RADIO_VERSION;
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v->capabilities = V4L2_CAP_TUNER;
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return 0;
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}
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case VIDIOCGTUNER:
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case VIDIOC_G_TUNER:
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{
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struct video_tuner *v = arg;
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struct v4l2_tuner *v = arg;
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int mult;
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if(v->tuner) /* Only 1 tuner */
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if (v->index > 0)
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return -EINVAL;
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memset(v,0,sizeof(*v));
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strcpy(v->name, "FM");
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mult = (fmi->flags & VIDEO_TUNER_LOW) ? 1 : 1000;
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v->type = V4L2_TUNER_RADIO;
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mult = (fmi->flags & V4L2_TUNER_CAP_LOW) ? 1 : 1000;
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v->rangelow = RSF16_MINFREQ/mult;
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v->rangehigh = RSF16_MAXFREQ/mult;
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v->flags=fmi->flags;
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v->mode=VIDEO_MODE_AUTO;
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v->rxsubchans =V4L2_TUNER_SUB_MONO | V4L2_TUNER_MODE_STEREO;
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v->capability=fmi->flags;
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v->audmode = V4L2_TUNER_MODE_STEREO;
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v->signal = fmi_getsigstr(fmi);
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return 0;
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}
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case VIDIOCSTUNER:
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case VIDIOC_S_TUNER:
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{
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struct video_tuner *v = arg;
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if(v->tuner!=0)
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struct v4l2_tuner *v = arg;
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if (v->index > 0)
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return -EINVAL;
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fmi->flags = v->flags & VIDEO_TUNER_LOW;
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/* Only 1 tuner so no setting needed ! */
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return 0;
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}
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case VIDIOCGFREQ:
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case VIDIOC_S_FREQUENCY:
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{
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unsigned long *freq = arg;
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*freq = fmi->curfreq;
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if (!(fmi->flags & VIDEO_TUNER_LOW))
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*freq /= 1000;
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return 0;
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}
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case VIDIOCSFREQ:
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{
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unsigned long *freq = arg;
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if (!(fmi->flags & VIDEO_TUNER_LOW))
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*freq *= 1000;
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if (*freq < RSF16_MINFREQ || *freq > RSF16_MAXFREQ )
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struct v4l2_frequency *f = arg;
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if (!(fmi->flags & V4L2_TUNER_CAP_LOW))
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f->frequency *= 1000;
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if (f->frequency < RSF16_MINFREQ ||
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f->frequency > RSF16_MAXFREQ )
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return -EINVAL;
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/*rounding in steps of 800 to match th freq
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that will be used */
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fmi->curfreq = (*freq/800)*800;
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fmi->curfreq = (f->frequency/800)*800;
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fmi_setfreq(fmi);
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return 0;
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}
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case VIDIOCGAUDIO:
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case VIDIOC_G_FREQUENCY:
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{
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struct video_audio *v = arg;
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memset(v,0,sizeof(*v));
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v->flags=( (!fmi->curvol)*VIDEO_AUDIO_MUTE | VIDEO_AUDIO_MUTABLE);
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strcpy(v->name, "Radio");
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v->mode=VIDEO_SOUND_STEREO;
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struct v4l2_frequency *f = arg;
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f->type = V4L2_TUNER_RADIO;
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f->frequency = fmi->curfreq;
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if (!(fmi->flags & V4L2_TUNER_CAP_LOW))
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f->frequency /= 1000;
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return 0;
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}
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case VIDIOCSAUDIO:
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case VIDIOC_QUERYCTRL:
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{
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struct video_audio *v = arg;
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if(v->audio)
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return -EINVAL;
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fmi->curvol= v->flags&VIDEO_AUDIO_MUTE ? 0 : 1;
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fmi->curvol ?
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fmi_unmute(fmi->port) : fmi_mute(fmi->port);
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return 0;
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struct v4l2_queryctrl *qc = arg;
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int i;
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for (i = 0; i < ARRAY_SIZE(radio_qctrl); i++) {
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if (qc->id && qc->id == radio_qctrl[i].id) {
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memcpy(qc, &(radio_qctrl[i]),
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sizeof(*qc));
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return (0);
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}
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}
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return -EINVAL;
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}
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case VIDIOCGUNIT:
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case VIDIOC_G_CTRL:
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{
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struct video_unit *v = arg;
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v->video=VIDEO_NO_UNIT;
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v->vbi=VIDEO_NO_UNIT;
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v->radio=dev->minor;
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v->audio=0; /* How do we find out this??? */
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v->teletext=VIDEO_NO_UNIT;
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return 0;
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struct v4l2_control *ctrl= arg;
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switch (ctrl->id) {
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case V4L2_CID_AUDIO_MUTE:
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ctrl->value=fmi->curvol;
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return (0);
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}
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return -EINVAL;
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}
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case VIDIOC_S_CTRL:
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{
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struct v4l2_control *ctrl= arg;
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switch (ctrl->id) {
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case V4L2_CID_AUDIO_MUTE:
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{
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if (ctrl->value)
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fmi_mute(fmi->port);
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else
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fmi_unmute(fmi->port);
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fmi->curvol=ctrl->value;
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return (0);
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}
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}
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return -EINVAL;
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}
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default:
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return -ENOIOCTLCMD;
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return v4l_compat_translate_ioctl(inode,file,cmd,arg,
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fmi_do_ioctl);
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}
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}
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@ -235,7 +278,7 @@ static struct video_device fmi_radio=
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.owner = THIS_MODULE,
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.name = "SF16FMx radio",
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.type = VID_TYPE_TUNER,
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.hardware = VID_HARDWARE_SF16MI,
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.hardware = 0,
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.fops = &fmi_fops,
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};
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@ -294,7 +337,7 @@ static int __init fmi_init(void)
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fmi_unit.port = io;
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fmi_unit.curvol = 0;
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fmi_unit.curfreq = 0;
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fmi_unit.flags = VIDEO_TUNER_LOW;
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fmi_unit.flags = V4L2_TUNER_CAP_LOW;
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fmi_radio.priv = &fmi_unit;
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mutex_init(&lock);
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