* 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;
}
-static int fmi_do_ioctl(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-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;
+}
+
+static int vidioc_g_tuner(struct file *file, void *priv,
+ struct v4l2_tuner *v)
+{
+ int mult;
struct video_device *dev = video_devdata(file);
- struct fmi_device *fmi=dev->priv;
-
- switch(cmd)
- {
- case VIDIOCGCAP:
- {
- struct video_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;
- return 0;
- }
- case VIDIOCGTUNER:
- {
- struct video_tuner *v = arg;
- int mult;
-
- if(v->tuner) /* Only 1 tuner */
- return -EINVAL;
- strcpy(v->name, "FM");
- mult = (fmi->flags & VIDEO_TUNER_LOW) ? 1 : 1000;
- v->rangelow = RSF16_MINFREQ/mult;
- v->rangehigh = RSF16_MAXFREQ/mult;
- v->flags=fmi->flags;
- v->mode=VIDEO_MODE_AUTO;
- v->signal = fmi_getsigstr(fmi);
- return 0;
- }
- case VIDIOCSTUNER:
- {
- struct video_tuner *v = arg;
- if(v->tuner!=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:
- {
- unsigned long *freq = arg;
- if (!(fmi->flags & VIDEO_TUNER_LOW))
- *freq *= 1000;
- if (*freq < RSF16_MINFREQ || *freq > RSF16_MAXFREQ )
- return -EINVAL;
- /*rounding in steps of 800 to match th freq
- that will be used */
- fmi->curfreq = (*freq/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:
- {
- 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 fmi_device *fmi = dev->priv;
+
+ if (v->index > 0)
+ return -EINVAL;
+
+ strcpy(v->name, "FM");
+ 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->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;
+}
+
+static int vidioc_s_tuner(struct file *file, void *priv,
+ struct v4l2_tuner *v)
+{
+ if (v->index > 0)
+ return -EINVAL;
+ return 0;
+}
+
+static int vidioc_s_frequency(struct file *file, void *priv,
+ struct v4l2_frequency *f)
+{
+ struct video_device *dev = video_devdata(file);
+ struct fmi_device *fmi = dev->priv;
+
+ 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 = (f->frequency/800)*800;
+ fmi_setfreq(fmi);
+ return 0;
+}
+
+static int vidioc_g_frequency(struct file *file, void *priv,
+ struct v4l2_frequency *f)
+{
+ struct video_device *dev = video_devdata(file);
+ struct fmi_device *fmi = dev->priv;
+
+ f->type = V4L2_TUNER_RADIO;
+ f->frequency = fmi->curfreq;
+ if (!(fmi->flags & V4L2_TUNER_CAP_LOW))
+ f->frequency /= 1000;
+ 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;
}
- case VIDIOCGUNIT:
- {
- 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;
- }
- default:
- return -ENOIOCTLCMD;
}
+ return -EINVAL;
+}
+
+static int vidioc_g_ctrl(struct file *file, void *priv,
+ struct v4l2_control *ctrl)
+{
+ struct video_device *dev = video_devdata(file);
+ struct fmi_device *fmi = dev->priv;
+
+ switch (ctrl->id) {
+ case V4L2_CID_AUDIO_MUTE:
+ ctrl->value = fmi->curvol;
+ return 0;
+ }
+ return -EINVAL;
+}
+
+static int vidioc_s_ctrl(struct file *file, void *priv,
+ struct v4l2_control *ctrl)
+{
+ struct video_device *dev = video_devdata(file);
+ struct fmi_device *fmi = dev->priv;
+
+ 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;
}
-static int fmi_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static int vidioc_g_audio(struct file *file, void *priv,
+ struct v4l2_audio *a)
{
- return video_usercopy(inode, file, cmd, arg, fmi_do_ioctl);
+ if (a->index > 1)
+ return -EINVAL;
+
+ strcpy(a->name, "Radio");
+ a->capability = V4L2_AUDCAP_STEREO;
+ return 0;
+}
+
+static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
+{
+ *i = 0;
+ return 0;
+}
+
+static int vidioc_s_input(struct file *filp, void *priv, unsigned int i)
+{
+ if (i != 0)
+ return -EINVAL;
+ return 0;
+}
+
+static int vidioc_s_audio(struct file *file, void *priv,
+ struct v4l2_audio *a)
+{
+ if (a->index != 0)
+ return -EINVAL;
+ return 0;
}
static struct fmi_device fmi_unit;
-static struct file_operations fmi_fops = {
+static const struct file_operations fmi_fops = {
.owner = THIS_MODULE,
.open = video_exclusive_open,
.release = video_exclusive_release,
- .ioctl = fmi_ioctl,
+ .ioctl = video_ioctl2,
.compat_ioctl = v4l_compat_ioctl32,
.llseek = no_llseek,
};
.owner = THIS_MODULE,
.name = "SF16FMx radio",
.type = VID_TYPE_TUNER,
- .hardware = VID_HARDWARE_SF16MI,
.fops = &fmi_fops,
+ .vidioc_querycap = vidioc_querycap,
+ .vidioc_g_tuner = vidioc_g_tuner,
+ .vidioc_s_tuner = vidioc_s_tuner,
+ .vidioc_g_audio = vidioc_g_audio,
+ .vidioc_s_audio = vidioc_s_audio,
+ .vidioc_g_input = vidioc_g_input,
+ .vidioc_s_input = vidioc_s_input,
+ .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,
};
/* ladis: this is my card. does any other types exist? */
MODULE_DEVICE_TABLE(isapnp, id_table);
-static int isapnp_fmi_probe(void)
+static int __init isapnp_fmi_probe(void)
{
int i = 0;
}
if (!request_region(io, 2, "radio-sf16fmi")) {
printk(KERN_ERR "radio-sf16fmi: port 0x%x already in use\n", io);
+ pnp_device_detach(dev);
return -EBUSY;
}
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);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff