* For read stereo/mono you must wait 0.1 sec after set frequency and
* card unmuted so I set frequency on unmute
* Signal handling seem to work only on autoscanning (not implemented)
+ *
+ * Converted to V4L2 API by Mauro Carvalho Chehab <mchehab@infradead.org>
*/
#include <linux/module.h> /* Modules */
#include <linux/init.h> /* Initdata */
-#include <linux/ioport.h> /* check_region, request_region */
+#include <linux/ioport.h> /* request_region */
#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 <asm/semaphore.h>
+#include <linux/videodev2.h> /* kernel radio structs */
+#include <media/v4l2-common.h>
+#include <media/v4l2-ioctl.h>
+#include <linux/mutex.h>
+
+static struct mutex lock;
+
+#include <linux/version.h> /* for KERNEL_VERSION MACRO */
+#define RADIO_VERSION KERNEL_VERSION(0,0,2)
+
+#define AUD_VOL_INDEX 1
-static struct semaphore lock;
+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,
+ },
+ [AUD_VOL_INDEX] = {
+ .id = V4L2_CID_AUDIO_VOLUME,
+ .name = "Volume",
+ .minimum = 0,
+ .maximum = 15,
+ .step = 1,
+ .default_value = 0,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ }
+};
#undef DEBUG
//#define DEBUG 1
/* this should be static vars for module size */
struct fmr2_device
{
+ unsigned long in_use;
int port;
- int curvol; /* 0-65535, if not volume 0 or 65535 */
+ int curvol; /* 0-15 */
int mute;
int stereo; /* card is producing stereo audio */
unsigned long curfreq; /* freq in kHz */
static int radio_nr = -1;
/* hw precision is 12.5 kHz
- * It is only usefull to give freq in intervall of 200 (=0.0125Mhz),
+ * It is only useful to give freq in intervall of 200 (=0.0125Mhz),
* other bits will be truncated
*/
#define RSF16_ENCODE(x) ((x)/200+856)
/* !!! not tested, in my card this does't work !!! */
static int fmr2_setvolume(struct fmr2_device *dev)
{
- int i,a,n, port = dev->port;
+ int vol[16] = { 0x021, 0x084, 0x090, 0x104,
+ 0x110, 0x204, 0x210, 0x402,
+ 0x404, 0x408, 0x410, 0x801,
+ 0x802, 0x804, 0x808, 0x810 };
+ int i, a, port = dev->port;
+ int n = vol[dev->curvol & 0x0f];
- if (dev->card_type != 11) return 1;
+ if (dev->card_type != 11)
+ return 1;
- switch( (dev->curvol+(1<<11)) >> 12 )
- {
- case 0: case 1: n = 0x21; break;
- case 2: n = 0x84; break;
- case 3: n = 0x90; break;
- case 4: n = 0x104; break;
- case 5: n = 0x110; break;
- case 6: n = 0x204; break;
- case 7: n = 0x210; break;
- case 8: n = 0x402; break;
- case 9: n = 0x404; break;
- default:
- case 10: n = 0x408; break;
- case 11: n = 0x410; break;
- case 12: n = 0x801; break;
- case 13: n = 0x802; break;
- case 14: n = 0x804; break;
- case 15: n = 0x808; break;
- case 16: n = 0x810; break;
- }
- for(i=12;--i>=0;)
- {
+ for (i = 12; --i >= 0; ) {
a = ((n >> i) & 1) << 6; /* if (a=0) a= 0; else a= 0x40; */
- outb(a|4, port);
- wait(4,port);
- outb(a|0x24, port);
- wait(4,port);
- outb(a|4, port);
- wait(4,port);
+ outb(a | 4, port);
+ wait(4, port);
+ outb(a | 0x24, port);
+ wait(4, port);
+ outb(a | 4, port);
+ wait(4, port);
}
- for(i=6;--i>=0;)
- {
+ for (i = 6; --i >= 0; ) {
a = ((0x18 >> i) & 1) << 6;
- outb(a|4, port);
+ outb(a | 4, port);
wait(4,port);
- outb(a|0x24, port);
+ outb(a | 0x24, port);
wait(4,port);
outb(a|4, port);
wait(4,port);
}
- wait(4,port);
+ wait(4, port);
outb(0x14, port);
return 0;
}
-static int fmr2_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)
{
- struct video_device *dev = video_devdata(file);
- struct fmr2_device *fmr2 = dev->priv;
- debug_print((KERN_DEBUG "freq %ld flags %d vol %d mute %d "
- "stereo %d type %d\n",
- fmr2->curfreq, fmr2->flags, fmr2->curvol, fmr2->mute,
- fmr2->stereo, fmr2->card_type));
-
- switch(cmd)
- {
- case VIDIOCGCAP:
- {
- struct video_capability *v = arg;
- memset(v,0,sizeof(*v));
- strcpy(v->name, "SF16-FMR2 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 = (fmr2->flags & VIDEO_TUNER_LOW) ? 1 : 1000;
- v->rangelow = RSF16_MINFREQ/mult;
- v->rangehigh = RSF16_MAXFREQ/mult;
- v->flags = fmr2->flags | VIDEO_AUDIO_MUTABLE;
- if (fmr2->mute)
- v->flags |= VIDEO_AUDIO_MUTE;
- v->mode=VIDEO_MODE_AUTO;
- down(&lock);
- v->signal = fmr2_getsigstr(fmr2);
- up(&lock);
- return 0;
- }
- case VIDIOCSTUNER:
- {
- struct video_tuner *v = arg;
- if (v->tuner!=0)
- return -EINVAL;
- fmr2->flags = v->flags & VIDEO_TUNER_LOW;
- return 0;
- }
- case VIDIOCGFREQ:
- {
- unsigned long *freq = arg;
- *freq = fmr2->curfreq;
- if (!(fmr2->flags & VIDEO_TUNER_LOW))
- *freq /= 1000;
- return 0;
- }
- case VIDIOCSFREQ:
- {
- unsigned long *freq = arg;
- if (!(fmr2->flags & VIDEO_TUNER_LOW))
- *freq *= 1000;
- if ( *freq < RSF16_MINFREQ || *freq > RSF16_MAXFREQ )
- return -EINVAL;
- /* rounding in steps of 200 to match th freq
- * that will be used
- */
- fmr2->curfreq = (*freq/200)*200;
-
- /* set card freq (if not muted) */
- if (fmr2->curvol && !fmr2->mute)
- {
- down(&lock);
- fmr2_setfreq(fmr2);
- up(&lock);
- }
- return 0;
- }
- case VIDIOCGAUDIO:
- {
- struct video_audio *v = arg;
- memset(v,0,sizeof(*v));
- /* !!! do not return VIDEO_AUDIO_MUTE */
- v->flags = VIDEO_AUDIO_MUTABLE;
- strcpy(v->name, "Radio");
- /* get current stereo mode */
- v->mode = fmr2->stereo ? VIDEO_SOUND_STEREO: VIDEO_SOUND_MONO;
- /* volume supported ? */
- if (fmr2->card_type == 11)
- {
- v->flags |= VIDEO_AUDIO_VOLUME;
- v->step = 1 << 12;
- v->volume = fmr2->curvol;
- }
- debug_print((KERN_DEBUG "Get flags %d vol %d\n", v->flags, v->volume));
+ strlcpy(v->driver, "radio-sf16fmr2", sizeof(v->driver));
+ strlcpy(v->card, "SF16-FMR2 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 fmr2_device *fmr2 = video_drvdata(file);
+
+ if (v->index > 0)
+ return -EINVAL;
+
+ strcpy(v->name, "FM");
+ v->type = V4L2_TUNER_RADIO;
+
+ mult = (fmr2->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 = fmr2->flags&V4L2_TUNER_CAP_LOW;
+ v->audmode = fmr2->stereo ? V4L2_TUNER_MODE_STEREO:
+ V4L2_TUNER_MODE_MONO;
+ mutex_lock(&lock);
+ v->signal = fmr2_getsigstr(fmr2);
+ mutex_unlock(&lock);
+ 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 fmr2_device *fmr2 = video_drvdata(file);
+
+ if (!(fmr2->flags & V4L2_TUNER_CAP_LOW))
+ f->frequency *= 1000;
+ if (f->frequency < RSF16_MINFREQ ||
+ f->frequency > RSF16_MAXFREQ )
+ return -EINVAL;
+ /*rounding in steps of 200 to match th freq
+ that will be used */
+ fmr2->curfreq = (f->frequency/200)*200;
+
+ /* set card freq (if not muted) */
+ if (fmr2->curvol && !fmr2->mute) {
+ mutex_lock(&lock);
+ fmr2_setfreq(fmr2);
+ mutex_unlock(&lock);
+ }
+ return 0;
+}
+
+static int vidioc_g_frequency(struct file *file, void *priv,
+ struct v4l2_frequency *f)
+{
+ struct fmr2_device *fmr2 = video_drvdata(file);
+
+ f->type = V4L2_TUNER_RADIO;
+ f->frequency = fmr2->curfreq;
+ if (!(fmr2->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 VIDIOCSAUDIO:
- {
- struct video_audio *v = arg;
- if(v->audio)
- return -EINVAL;
- debug_print((KERN_DEBUG "Set flags %d vol %d\n", v->flags, v->volume));
- /* set volume */
- if (v->flags & VIDEO_AUDIO_VOLUME)
- fmr2->curvol = v->volume; /* !!! set with precision */
- if (fmr2->card_type != 11) fmr2->curvol = 65535;
- fmr2->mute = 0;
- if (v->flags & VIDEO_AUDIO_MUTE)
- fmr2->mute = 1;
+ }
+ return -EINVAL;
+}
+
+static int vidioc_g_ctrl(struct file *file, void *priv,
+ struct v4l2_control *ctrl)
+{
+ struct fmr2_device *fmr2 = video_drvdata(file);
+
+ switch (ctrl->id) {
+ case V4L2_CID_AUDIO_MUTE:
+ ctrl->value = fmr2->mute;
+ return 0;
+ case V4L2_CID_AUDIO_VOLUME:
+ ctrl->value = fmr2->curvol;
+ return 0;
+ }
+ return -EINVAL;
+}
+
+static int vidioc_s_ctrl(struct file *file, void *priv,
+ struct v4l2_control *ctrl)
+{
+ struct fmr2_device *fmr2 = video_drvdata(file);
+
+ switch (ctrl->id) {
+ case V4L2_CID_AUDIO_MUTE:
+ fmr2->mute = ctrl->value;
+ break;
+ case V4L2_CID_AUDIO_VOLUME:
+ if (ctrl->value > radio_qctrl[AUD_VOL_INDEX].maximum)
+ fmr2->curvol = radio_qctrl[AUD_VOL_INDEX].maximum;
+ else
+ fmr2->curvol = ctrl->value;
+
+ break;
+ default:
+ return -EINVAL;
+ }
+
#ifdef DEBUG
- if (fmr2->curvol && !fmr2->mute)
- printk(KERN_DEBUG "unmute\n");
- else
- printk(KERN_DEBUG "mute\n");
+ if (fmr2->curvol && !fmr2->mute)
+ printk(KERN_DEBUG "unmute\n");
+ else
+ printk(KERN_DEBUG "mute\n");
#endif
- down(&lock);
- if (fmr2->curvol && !fmr2->mute)
- {
- fmr2_setvolume(fmr2);
- fmr2_setfreq(fmr2);
- }
- else fmr2_mute(fmr2->port);
- up(&lock);
- 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;
- }
+
+ mutex_lock(&lock);
+ if (fmr2->curvol && !fmr2->mute) {
+ fmr2_setvolume(fmr2);
+ /* Set frequency and unmute card */
+ fmr2_setfreq(fmr2);
+ } else
+ fmr2_mute(fmr2->port);
+ mutex_unlock(&lock);
+ return 0;
+}
+
+static int vidioc_g_audio(struct file *file, void *priv,
+ struct v4l2_audio *a)
+{
+ 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 fmr2_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
- {
- return video_usercopy(inode, file, cmd, arg, fmr2_do_ioctl);
+static int vidioc_s_audio(struct file *file, void *priv,
+ struct v4l2_audio *a)
+{
+ if (a->index != 0)
+ return -EINVAL;
+ return 0;
}
static struct fmr2_device fmr2_unit;
-static struct file_operations fmr2_fops = {
+static int fmr2_exclusive_open(struct file *file)
+{
+ return test_and_set_bit(0, &fmr2_unit.in_use) ? -EBUSY : 0;
+}
+
+static int fmr2_exclusive_release(struct file *file)
+{
+ clear_bit(0, &fmr2_unit.in_use);
+ return 0;
+}
+
+static const struct v4l2_file_operations fmr2_fops = {
.owner = THIS_MODULE,
- .open = video_exclusive_open,
- .release = video_exclusive_release,
- .ioctl = fmr2_ioctl,
- .llseek = no_llseek,
+ .open = fmr2_exclusive_open,
+ .release = fmr2_exclusive_release,
+ .ioctl = video_ioctl2,
};
-static struct video_device fmr2_radio=
-{
- .owner = THIS_MODULE,
+static const struct v4l2_ioctl_ops fmr2_ioctl_ops = {
+ .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,
+};
+
+static struct video_device fmr2_radio = {
.name = "SF16FMR2 radio",
- . type = VID_TYPE_TUNER,
- .hardware = VID_HARDWARE_SF16FMR2,
.fops = &fmr2_fops,
+ .ioctl_ops = &fmr2_ioctl_ops,
+ .release = video_device_release_empty,
};
static int __init fmr2_init(void)
fmr2_unit.mute = 0;
fmr2_unit.curfreq = 0;
fmr2_unit.stereo = 1;
- fmr2_unit.flags = VIDEO_TUNER_LOW;
+ fmr2_unit.flags = V4L2_TUNER_CAP_LOW;
fmr2_unit.card_type = 0;
- fmr2_radio.priv = &fmr2_unit;
+ video_set_drvdata(&fmr2_radio, &fmr2_unit);
- init_MUTEX(&lock);
+ mutex_init(&lock);
- if (request_region(io, 2, "sf16fmr2"))
- {
- printk(KERN_ERR "fmr2: port 0x%x already in use\n", io);
+ if (!request_region(io, 2, "sf16fmr2")) {
+ printk(KERN_ERR "radio-sf16fmr2: request_region failed!\n");
return -EBUSY;
}
- if(video_register_device(&fmr2_radio, VFL_TYPE_RADIO, radio_nr)==-1)
- {
+ if (video_register_device(&fmr2_radio, VFL_TYPE_RADIO, radio_nr) < 0) {
release_region(io, 2);
return -EINVAL;
}
printk(KERN_INFO "SF16FMR2 radio card driver at 0x%x.\n", io);
- debug_print((KERN_DEBUG "Mute %d Low %d\n",VIDEO_AUDIO_MUTE,VIDEO_TUNER_LOW));
/* mute card - prevents noisy bootups */
- down(&lock);
+ mutex_lock(&lock);
fmr2_mute(io);
fmr2_product_info(&fmr2_unit);
- up(&lock);
+ mutex_unlock(&lock);
debug_print((KERN_DEBUG "card_type %d\n", fmr2_unit.card_type));
+
+ /* Only card_type == 11 implements volume */
+ if (fmr2_unit.card_type != 11)
+ radio_qctrl[AUD_VOL_INDEX].maximum = 1;
+
return 0;
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff