-/* radio-aztech.c - Aztech radio card driver for Linux 2.2
+/* radio-aztech.c - Aztech radio card driver for Linux 2.2
*
- * Adapted to support the Video for Linux API by
+ * Converted to V4L2 API by Mauro Carvalho Chehab <mchehab@infradead.org>
+ * Adapted to support the Video for Linux API by
* Russell Kroll <rkroll@exploits.org>. Based on original tuner code by:
*
* Quay Ly
* Donald Song
- * Jason Lewis (jlewis@twilight.vtc.vsc.edu)
+ * Jason Lewis (jlewis@twilight.vtc.vsc.edu)
* Scott McGrath (smcgrath@twilight.vtc.vsc.edu)
* William McGrath (wmcgrath@twilight.vtc.vsc.edu)
*
#include <linux/delay.h> /* udelay */
#include <asm/io.h> /* outb, outb_p */
#include <asm/uaccess.h> /* copy to/from user */
-#include <linux/videodev.h> /* kernel radio structs */
-#include <linux/config.h> /* CONFIG_RADIO_AZTECH_PORT */
+#include <linux/videodev2.h> /* kernel radio structs */
+#include <media/v4l2-common.h>
+
+#include <linux/version.h> /* for KERNEL_VERSION MACRO */
+#define RADIO_VERSION KERNEL_VERSION(0,0,2)
+
+static struct v4l2_queryctrl radio_qctrl[] = {
+ {
+ .id = V4L2_CID_AUDIO_MUTE,
+ .name = "Mute",
+ .minimum = 0,
+ .maximum = 1,
+ .default_value = 1,
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ },{
+ .id = V4L2_CID_AUDIO_VOLUME,
+ .name = "Volume",
+ .minimum = 0,
+ .maximum = 0xff,
+ .step = 1,
+ .default_value = 0xff,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ }
+};
/* acceptable ports: 0x350 (JP3 shorted), 0x358 (JP3 open) */
#define CONFIG_RADIO_AZTECH_PORT -1
#endif
-static int io = CONFIG_RADIO_AZTECH_PORT;
+static int io = CONFIG_RADIO_AZTECH_PORT;
static int radio_nr = -1;
static int radio_wait_time = 1000;
-static struct semaphore lock;
+static struct mutex lock;
struct az_device
{
static int volconvert(int level)
{
- level>>=14; /* Map 16bits down to 2 bit */
- level&=3;
-
+ level>>=14; /* Map 16bits down to 2 bit */
+ level&=3;
+
/* convert to card-friendly values */
- switch (level)
+ switch (level)
{
- case 0:
+ case 0:
return 0;
- case 1:
+ case 1:
return 1;
case 2:
return 4;
static int az_setvol(struct az_device *dev, int vol)
{
- down(&lock);
+ mutex_lock(&lock);
outb (volconvert(vol), io);
- up(&lock);
+ mutex_unlock(&lock);
return 0;
}
frequency += 171200; /* Add 10.7 MHz IF */
frequency /= 800; /* Convert to 50 kHz units */
-
- down(&lock);
-
+
+ mutex_lock(&lock);
+
send_0_byte (dev); /* 0: LSB of frequency */
for (i = 0; i < 13; i++) /* : frequency bits (1-13) */
udelay (radio_wait_time);
outb_p(128+64+volconvert(dev->curvol), io);
-
- up(&lock);
+
+ mutex_unlock(&lock);
return 0;
}
{
struct video_device *dev = video_devdata(file);
struct az_device *az = dev->priv;
-
+
switch(cmd)
{
- case VIDIOCGCAP:
+ case VIDIOC_QUERYCAP:
{
- struct video_capability *v = arg;
+ struct v4l2_capability *v = arg;
memset(v,0,sizeof(*v));
- v->type=VID_TYPE_TUNER;
- v->channels=1;
- v->audios=1;
- strcpy(v->name, "Aztech Radio");
+ strlcpy(v->driver, "radio-aztech", sizeof (v->driver));
+ strlcpy(v->card, "Aztech Radio", sizeof (v->card));
+ sprintf(v->bus_info,"ISA");
+ v->version = RADIO_VERSION;
+ v->capabilities = V4L2_CAP_TUNER;
+
return 0;
}
- case VIDIOCGTUNER:
+ case VIDIOC_G_TUNER:
{
- struct video_tuner *v = arg;
- if(v->tuner) /* Only 1 tuner */
+ struct v4l2_tuner *v = arg;
+
+ if (v->index > 0)
return -EINVAL;
+
+ memset(v,0,sizeof(*v));
+ strcpy(v->name, "FM");
+ v->type = V4L2_TUNER_RADIO;
+
v->rangelow=(87*16000);
v->rangehigh=(108*16000);
- v->flags=VIDEO_TUNER_LOW;
- v->mode=VIDEO_MODE_AUTO;
- v->signal=0xFFFF*az_getsigstr(az);
+ v->rxsubchans =V4L2_TUNER_SUB_MONO|V4L2_TUNER_SUB_STEREO;
+ v->capability=V4L2_TUNER_CAP_LOW;
if(az_getstereo(az))
- v->flags|=VIDEO_TUNER_STEREO_ON;
- strcpy(v->name, "FM");
+ v->audmode = V4L2_TUNER_MODE_STEREO;
+ else
+ v->audmode = V4L2_TUNER_MODE_MONO;
+ v->signal=0xFFFF*az_getsigstr(az);
+
return 0;
}
- case VIDIOCSTUNER:
+ case VIDIOC_S_TUNER:
{
- struct video_tuner *v = arg;
- if(v->tuner!=0)
+ struct v4l2_tuner *v = arg;
+
+ if (v->index > 0)
return -EINVAL;
+
return 0;
}
- case VIDIOCGFREQ:
+ case VIDIOC_S_FREQUENCY:
{
- unsigned long *freq = arg;
- *freq = az->curfreq;
+ struct v4l2_frequency *f = arg;
+
+ az->curfreq = f->frequency;
+ az_setfreq(az, az->curfreq);
return 0;
}
- case VIDIOCSFREQ:
+ case VIDIOC_G_FREQUENCY:
{
- unsigned long *freq = arg;
- az->curfreq = *freq;
- az_setfreq(az, az->curfreq);
+ struct v4l2_frequency *f = arg;
+
+ f->type = V4L2_TUNER_RADIO;
+ f->frequency = az->curfreq;
+
return 0;
}
- case VIDIOCGAUDIO:
- {
- struct video_audio *v = arg;
- memset(v,0, sizeof(*v));
- v->flags|=VIDEO_AUDIO_MUTABLE|VIDEO_AUDIO_VOLUME;
- if(az->stereo)
- v->mode=VIDEO_SOUND_STEREO;
- else
- v->mode=VIDEO_SOUND_MONO;
- v->volume=az->curvol;
- v->step=16384;
- strcpy(v->name, "Radio");
- 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 VIDIOCSAUDIO:
+ case VIDIOC_G_CTRL:
{
- struct video_audio *v = arg;
- if(v->audio)
- return -EINVAL;
- az->curvol=v->volume;
-
- az->stereo=(v->mode&VIDEO_SOUND_STEREO)?1:0;
- if(v->flags&VIDEO_AUDIO_MUTE)
- az_setvol(az,0);
- else
- az_setvol(az,az->curvol);
- return 0;
+ struct v4l2_control *ctrl= arg;
+
+ switch (ctrl->id) {
+ case V4L2_CID_AUDIO_MUTE:
+ if (az->curvol==0)
+ ctrl->value=1;
+ else
+ ctrl->value=0;
+ return (0);
+ case V4L2_CID_AUDIO_VOLUME:
+ ctrl->value=az->curvol * 6554;
+ return (0);
+ }
+ return -EINVAL;
}
+ case VIDIOC_S_CTRL:
+ {
+ struct v4l2_control *ctrl= arg;
+
+ switch (ctrl->id) {
+ case V4L2_CID_AUDIO_MUTE:
+ if (ctrl->value) {
+ az_setvol(az,0);
+ } else {
+ az_setvol(az,az->curvol);
+ }
+ return (0);
+ case V4L2_CID_AUDIO_VOLUME:
+ az_setvol(az,ctrl->value);
+ return (0);
+ }
+ return -EINVAL;
+ }
+
default:
- return -ENOIOCTLCMD;
+ return v4l_compat_translate_ioctl(inode,file,cmd,arg,
+ az_do_ioctl);
}
}
.owner = THIS_MODULE,
.name = "Aztech radio",
.type = VID_TYPE_TUNER,
- .hardware = VID_HARDWARE_AZTECH,
+ .hardware = 0,
.fops = &aztech_fops,
};
return -EINVAL;
}
- if (!request_region(io, 2, "aztech"))
+ if (!request_region(io, 2, "aztech"))
{
printk(KERN_ERR "aztech: port 0x%x already in use\n", io);
return -EBUSY;
}
- init_MUTEX(&lock);
+ mutex_init(&lock);
aztech_radio.priv=&aztech_unit;
-
+
if(video_register_device(&aztech_radio, VFL_TYPE_RADIO, radio_nr)==-1)
{
release_region(io,2);
return -EINVAL;
}
-
+
printk(KERN_INFO "Aztech radio card driver v1.00/19990224 rkroll@exploits.org\n");
/* mute card - prevents noisy bootups */
outb (0, io);