* Scott McGrath (smcgrath@twilight.vtc.vsc.edu)
* William McGrath (wmcgrath@twilight.vtc.vsc.edu)
*
- * The basis for this code may be found at http://bigbang.vtc.vsc.edu/fmradio/
+ * Converted to V4L2 API by Mauro Carvalho Chehab <mchehab@infradead.org>
*/
#include <stdarg.h>
#include <linux/ioport.h>
#include <asm/io.h>
#include <asm/uaccess.h>
-#include <linux/videodev.h>
-#include <linux/config.h> /* CONFIG_RADIO_TRUST_PORT */
+#include <linux/videodev2.h>
+#include <media/v4l2-common.h>
+#include <media/v4l2-ioctl.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 = 65535,
+ .step = 2048,
+ .default_value = 65535,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ },{
+ .id = V4L2_CID_AUDIO_BASS,
+ .name = "Bass",
+ .minimum = 0,
+ .maximum = 65535,
+ .step = 4370,
+ .default_value = 32768,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ },{
+ .id = V4L2_CID_AUDIO_TREBLE,
+ .name = "Treble",
+ .minimum = 0,
+ .maximum = 65535,
+ .step = 4370,
+ .default_value = 32768,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ },
+};
/* acceptable ports: 0x350 (JP3 shorted), 0x358 (JP3 open) */
static unsigned long curfreq;
static int curstereo;
static int curmute;
+static unsigned long in_use;
/* i2c addresses */
#define TDA7318_ADDR 0x88
write_i2c(5, TSA6060T_ADDR, (f << 1) | 1, f >> 7, 0x60 | ((f >> 15) & 1), 0);
}
-static int tr_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)
{
- switch(cmd)
- {
- case VIDIOCGCAP:
- {
- struct video_capability *v = arg;
+ strlcpy(v->driver, "radio-trust", sizeof(v->driver));
+ strlcpy(v->card, "Trust FM Radio", sizeof(v->card));
+ sprintf(v->bus_info, "ISA");
+ v->version = RADIO_VERSION;
+ v->capabilities = V4L2_CAP_TUNER;
+ return 0;
+}
- memset(v,0,sizeof(*v));
- v->type=VID_TYPE_TUNER;
- v->channels=1;
- v->audios=1;
- strcpy(v->name, "Trust FM Radio");
+static int vidioc_g_tuner(struct file *file, void *priv,
+ struct v4l2_tuner *v)
+{
+ if (v->index > 0)
+ return -EINVAL;
- return 0;
- }
- case VIDIOCGTUNER:
- {
- struct video_tuner *v = arg;
+ strcpy(v->name, "FM");
+ v->type = V4L2_TUNER_RADIO;
+ v->rangelow = (87.5*16000);
+ v->rangehigh = (108*16000);
+ v->rxsubchans = V4L2_TUNER_SUB_MONO|V4L2_TUNER_SUB_STEREO;
+ v->capability = V4L2_TUNER_CAP_LOW;
+ if (tr_getstereo())
+ v->audmode = V4L2_TUNER_MODE_STEREO;
+ else
+ v->audmode = V4L2_TUNER_MODE_MONO;
+ v->signal = tr_getsigstr();
+ return 0;
+}
- if(v->tuner) /* Only 1 tuner */
- return -EINVAL;
+static int vidioc_s_tuner(struct file *file, void *priv,
+ struct v4l2_tuner *v)
+{
+ if (v->index > 0)
+ return -EINVAL;
- v->rangelow = 87500 * 16;
- v->rangehigh = 108000 * 16;
- v->flags = VIDEO_TUNER_LOW;
- v->mode = VIDEO_MODE_AUTO;
+ return 0;
+}
- v->signal = tr_getsigstr();
- if(tr_getstereo())
- v->flags |= VIDEO_TUNER_STEREO_ON;
+static int vidioc_s_frequency(struct file *file, void *priv,
+ struct v4l2_frequency *f)
+{
+ curfreq = f->frequency;
+ tr_setfreq(curfreq);
+ return 0;
+}
- strcpy(v->name, "FM");
+static int vidioc_g_frequency(struct file *file, void *priv,
+ struct v4l2_frequency *f)
+{
+ f->type = V4L2_TUNER_RADIO;
+ f->frequency = curfreq;
+ 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 VIDIOCSTUNER:
- {
- struct video_tuner *v = arg;
- if(v->tuner != 0)
- return -EINVAL;
- return 0;
- }
- case VIDIOCGFREQ:
- {
- unsigned long *freq = arg;
- *freq = curfreq;
- return 0;
- }
- case VIDIOCSFREQ:
- {
- unsigned long *freq = arg;
- tr_setfreq(*freq);
- return 0;
- }
- case VIDIOCGAUDIO:
- {
- struct video_audio *v = arg;
-
- memset(v,0, sizeof(*v));
- v->flags = VIDEO_AUDIO_MUTABLE | VIDEO_AUDIO_VOLUME |
- VIDEO_AUDIO_BASS | VIDEO_AUDIO_TREBLE;
- v->mode = curstereo? VIDEO_SOUND_STEREO : VIDEO_SOUND_MONO;
- v->volume = curvol * 2048;
- v->step = 2048;
- v->bass = curbass * 4370;
- v->treble = curtreble * 4370;
-
- strcpy(v->name, "Trust FM Radio");
- return 0;
- }
- case VIDIOCSAUDIO:
- {
- struct video_audio *v = arg;
-
- if(v->audio)
- return -EINVAL;
- tr_setvol(v->volume);
- tr_setbass(v->bass);
- tr_settreble(v->treble);
- tr_setstereo(v->mode & VIDEO_SOUND_STEREO);
- tr_setmute(v->flags & VIDEO_AUDIO_MUTE);
- return 0;
- }
- default:
- return -ENOIOCTLCMD;
}
+ return -EINVAL;
}
-static int tr_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static int vidioc_g_ctrl(struct file *file, void *priv,
+ struct v4l2_control *ctrl)
{
- return video_usercopy(inode, file, cmd, arg, tr_do_ioctl);
+ switch (ctrl->id) {
+ case V4L2_CID_AUDIO_MUTE:
+ ctrl->value = curmute;
+ return 0;
+ case V4L2_CID_AUDIO_VOLUME:
+ ctrl->value = curvol * 2048;
+ return 0;
+ case V4L2_CID_AUDIO_BASS:
+ ctrl->value = curbass * 4370;
+ return 0;
+ case V4L2_CID_AUDIO_TREBLE:
+ ctrl->value = curtreble * 4370;
+ return 0;
+ }
+ return -EINVAL;
}
-static struct file_operations trust_fops = {
+static int vidioc_s_ctrl(struct file *file, void *priv,
+ struct v4l2_control *ctrl)
+{
+ switch (ctrl->id) {
+ case V4L2_CID_AUDIO_MUTE:
+ tr_setmute(ctrl->value);
+ return 0;
+ case V4L2_CID_AUDIO_VOLUME:
+ tr_setvol(ctrl->value);
+ return 0;
+ case V4L2_CID_AUDIO_BASS:
+ tr_setbass(ctrl->value);
+ return 0;
+ case V4L2_CID_AUDIO_TREBLE:
+ tr_settreble(ctrl->value);
+ return 0;
+ }
+ return -EINVAL;
+}
+
+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 vidioc_s_audio(struct file *file, void *priv,
+ struct v4l2_audio *a)
+{
+ if (a->index != 0)
+ return -EINVAL;
+ return 0;
+}
+
+static int trust_exclusive_open(struct inode *inode, struct file *file)
+{
+ return test_and_set_bit(0, &in_use) ? -EBUSY : 0;
+}
+
+static int trust_exclusive_release(struct inode *inode, struct file *file)
+{
+ clear_bit(0, &in_use);
+ return 0;
+}
+
+static const struct file_operations trust_fops = {
.owner = THIS_MODULE,
- .open = video_exclusive_open,
- .release = video_exclusive_release,
- .ioctl = tr_ioctl,
+ .open = trust_exclusive_open,
+ .release = trust_exclusive_release,
+ .ioctl = video_ioctl2,
+#ifdef CONFIG_COMPAT
.compat_ioctl = v4l_compat_ioctl32,
+#endif
.llseek = no_llseek,
};
-static struct video_device trust_radio=
-{
- .owner = THIS_MODULE,
+static const struct v4l2_ioctl_ops trust_ioctl_ops = {
+ .vidioc_querycap = vidioc_querycap,
+ .vidioc_g_tuner = vidioc_g_tuner,
+ .vidioc_s_tuner = vidioc_s_tuner,
+ .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,
+ .vidioc_g_audio = vidioc_g_audio,
+ .vidioc_s_audio = vidioc_s_audio,
+ .vidioc_g_input = vidioc_g_input,
+ .vidioc_s_input = vidioc_s_input,
+};
+
+static struct video_device trust_radio = {
.name = "Trust FM Radio",
- .type = VID_TYPE_TUNER,
- .hardware = VID_HARDWARE_TRUST,
.fops = &trust_fops,
+ .ioctl_ops = &trust_ioctl_ops,
+ .release = video_device_release_empty,
};
static int __init trust_init(void)
printk(KERN_ERR "trust: port 0x%x already in use\n", io);
return -EBUSY;
}
- if(video_register_device(&trust_radio, VFL_TYPE_RADIO, radio_nr)==-1)
- {
+ if (video_register_device(&trust_radio, VFL_TYPE_RADIO, radio_nr) < 0) {
release_region(io, 2);
return -EINVAL;
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff