* Frequency control is done digitally -- ie out(port,encodefreq(95.8));
* No volume control - only mute/unmute - you have to use line volume
* control on SB-part of SF16FMI
- *
+ *
+ * Converted to V4L2 API by Mauro Carvalho Chehab <mchehab@infradead.org>
*/
+#include <linux/version.h>
#include <linux/kernel.h> /* __setup */
#include <linux/module.h> /* Modules */
#include <linux/init.h> /* Initdata */
#include <linux/ioport.h> /* request_region */
#include <linux/delay.h> /* udelay */
-#include <linux/videodev.h> /* kernel radio structs */
+#include <linux/videodev2.h> /* kernel radio structs */
+#include <media/v4l2-common.h>
#include <linux/isapnp.h>
#include <asm/io.h> /* outb, outb_p */
#include <asm/uaccess.h> /* copy to/from user */
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
+
+#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,
+ }
+};
struct fmi_device
{
int port;
- int curvol; /* 1 or 0 */
- unsigned long curfreq; /* freq in kHz */
- __u32 flags;
+ int curvol; /* 1 or 0 */
+ unsigned long curfreq; /* freq in kHz */
+ __u32 flags;
};
-static int io = -1;
+static int io = -1;
static int radio_nr = -1;
static struct pnp_dev *dev = NULL;
-static struct semaphore lock;
+static struct mutex lock;
/* freq is in 1/16 kHz to internal number, hw precision is 50 kHz */
/* It is only useful to give freq in intervall of 800 (=0.05Mhz),
- * other bits will be truncated, e.g 92.7400016 -> 92.7, but
+ * other bits will be truncated, e.g 92.7400016 -> 92.7, but
* 92.7400017 -> 92.75
*/
#define RSF16_ENCODE(x) ((x)/800+214)
static void outbits(int bits, unsigned int data, int port)
{
while(bits--) {
- if(data & 1) {
+ if(data & 1) {
outb(5, port);
udelay(6);
outb(7, port);
static inline void fmi_mute(int port)
{
- down(&lock);
+ mutex_lock(&lock);
outb(0x00, port);
- up(&lock);
+ mutex_unlock(&lock);
}
static inline void fmi_unmute(int port)
{
- down(&lock);
+ mutex_lock(&lock);
outb(0x08, port);
- up(&lock);
+ mutex_unlock(&lock);
}
static inline int fmi_setfreq(struct fmi_device *dev)
int myport = dev->port;
unsigned long freq = dev->curfreq;
- down(&lock);
+ mutex_lock(&lock);
outbits(16, RSF16_ENCODE(freq), myport);
outbits(8, 0xC0, myport);
msleep(143); /* was schedule_timeout(HZ/7) */
- up(&lock);
+ mutex_unlock(&lock);
if (dev->curvol) fmi_unmute(myport);
return 0;
}
int res;
int myport = dev->port;
-
- down(&lock);
+
+ mutex_lock(&lock);
val = dev->curvol ? 0x08 : 0x00; /* unmute/mute */
outb(val, myport);
outb(val | 0x10, myport);
msleep(143); /* was schedule_timeout(HZ/7) */
res = (int)inb(myport+1);
outb(val, myport);
-
- up(&lock);
+
+ mutex_unlock(&lock);
return (res & 2) ? 0 : 0xFFFF;
}
{
struct video_device *dev = video_devdata(file);
struct fmi_device *fmi=dev->priv;
-
+
switch(cmd)
{
- case VIDIOCGCAP:
+ case VIDIOC_QUERYCAP:
{
- struct video_capability *v = arg;
+ struct v4l2_capability *v = arg;
memset(v,0,sizeof(*v));
- strcpy(v->name, "SF16-FMx radio");
- v->type=VID_TYPE_TUNER;
- v->channels=1;
- v->audios=1;
+ strlcpy(v->driver, "radio-sf16fmi", sizeof (v->driver));
+ strlcpy(v->card, "SF16-FMx 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;
+ struct v4l2_tuner *v = arg;
int mult;
- if(v->tuner) /* Only 1 tuner */
+ if (v->index > 0)
return -EINVAL;
+
+ memset(v,0,sizeof(*v));
strcpy(v->name, "FM");
- mult = (fmi->flags & VIDEO_TUNER_LOW) ? 1 : 1000;
+ v->type = V4L2_TUNER_RADIO;
+
+ mult = (fmi->flags & V4L2_TUNER_CAP_LOW) ? 1 : 1000;
v->rangelow = RSF16_MINFREQ/mult;
v->rangehigh = RSF16_MAXFREQ/mult;
- v->flags=fmi->flags;
- v->mode=VIDEO_MODE_AUTO;
+ v->rxsubchans =V4L2_TUNER_SUB_MONO | V4L2_TUNER_MODE_STEREO;
+ v->capability=fmi->flags&V4L2_TUNER_CAP_LOW;
+ v->audmode = V4L2_TUNER_MODE_STEREO;
v->signal = fmi_getsigstr(fmi);
+
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;
- fmi->flags = v->flags & VIDEO_TUNER_LOW;
- /* Only 1 tuner so no setting needed ! */
- return 0;
- }
- case VIDIOCGFREQ:
- {
- unsigned long *freq = arg;
- *freq = fmi->curfreq;
- if (!(fmi->flags & VIDEO_TUNER_LOW))
- *freq /= 1000;
+
return 0;
}
- case VIDIOCSFREQ:
+ case VIDIOC_S_FREQUENCY:
{
- unsigned long *freq = arg;
- if (!(fmi->flags & VIDEO_TUNER_LOW))
- *freq *= 1000;
- if (*freq < RSF16_MINFREQ || *freq > RSF16_MAXFREQ )
+ struct v4l2_frequency *f = arg;
+
+ if (!(fmi->flags & V4L2_TUNER_CAP_LOW))
+ f->frequency *= 1000;
+ if (f->frequency < RSF16_MINFREQ ||
+ f->frequency > RSF16_MAXFREQ )
return -EINVAL;
/*rounding in steps of 800 to match th freq
that will be used */
- fmi->curfreq = (*freq/800)*800;
+ fmi->curfreq = (f->frequency/800)*800;
fmi_setfreq(fmi);
+
return 0;
}
- case VIDIOCGAUDIO:
- {
- struct video_audio *v = arg;
- memset(v,0,sizeof(*v));
- v->flags=( (!fmi->curvol)*VIDEO_AUDIO_MUTE | VIDEO_AUDIO_MUTABLE);
- strcpy(v->name, "Radio");
- v->mode=VIDEO_SOUND_STEREO;
- return 0;
- }
- case VIDIOCSAUDIO:
+ case VIDIOC_G_FREQUENCY:
{
- struct video_audio *v = arg;
- if(v->audio)
- return -EINVAL;
- fmi->curvol= v->flags&VIDEO_AUDIO_MUTE ? 0 : 1;
- fmi->curvol ?
- fmi_unmute(fmi->port) : fmi_mute(fmi->port);
+ struct v4l2_frequency *f = arg;
+
+ f->type = V4L2_TUNER_RADIO;
+ f->frequency = fmi->curfreq;
+ if (!(fmi->flags & V4L2_TUNER_CAP_LOW))
+ f->frequency /= 1000;
+
return 0;
}
- case VIDIOCGUNIT:
+ 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 video_unit *v = arg;
- v->video=VIDEO_NO_UNIT;
- v->vbi=VIDEO_NO_UNIT;
- v->radio=dev->minor;
- v->audio=0; /* How do we find out this??? */
- v->teletext=VIDEO_NO_UNIT;
- return 0;
+ struct v4l2_control *ctrl= arg;
+
+ switch (ctrl->id) {
+ case V4L2_CID_AUDIO_MUTE:
+ ctrl->value=fmi->curvol;
+ return (0);
+ }
+ return -EINVAL;
+ }
+ case VIDIOC_S_CTRL:
+ {
+ struct v4l2_control *ctrl= arg;
+
+ switch (ctrl->id) {
+ case V4L2_CID_AUDIO_MUTE:
+ {
+ if (ctrl->value)
+ fmi_mute(fmi->port);
+ else
+ fmi_unmute(fmi->port);
+
+ fmi->curvol=ctrl->value;
+ return (0);
+ }
+ }
+ return -EINVAL;
}
default:
- return -ENOIOCTLCMD;
+ return v4l_compat_translate_ioctl(inode,file,cmd,arg,
+ fmi_do_ioctl);
}
}
.owner = THIS_MODULE,
.name = "SF16FMx radio",
.type = VID_TYPE_TUNER,
- .hardware = VID_HARDWARE_SF16MI,
+ .hardware = 0,
.fops = &fmi_fops,
};
fmi_unit.port = io;
fmi_unit.curvol = 0;
fmi_unit.curfreq = 0;
- fmi_unit.flags = VIDEO_TUNER_LOW;
+ fmi_unit.flags = V4L2_TUNER_CAP_LOW;
fmi_radio.priv = &fmi_unit;
-
- init_MUTEX(&lock);
-
+
+ mutex_init(&lock);
+
if (video_register_device(&fmi_radio, VFL_TYPE_RADIO, radio_nr) == -1) {
release_region(io, 2);
return -EINVAL;
}
-
+
printk(KERN_INFO "SF16FMx radio card driver at 0x%x\n", io);
/* mute card - prevents noisy bootups */
fmi_mute(io);