#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/init.h>
+#include <linux/version.h>
#include <sound/core.h>
#include <sound/tea575x-tuner.h>
MODULE_DESCRIPTION("Routines for control of TEA5757/5759 Philips AM/FM radio tuner chips");
MODULE_LICENSE("GPL");
+static int radio_nr = -1;
+module_param(radio_nr, int, 0);
+
+#define RADIO_VERSION KERNEL_VERSION(0, 0, 2)
+#define FREQ_LO (87 * 16000)
+#define FREQ_HI (108 * 16000)
+
/*
* definitions
*/
#define TEA575X_BIT_DUMMY (1<<15) /* buffer */
#define TEA575X_BIT_FREQ_MASK 0x7fff
+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,
+ }
+};
+
/*
* lowlevel part
*/
* Linux Video interface
*/
-static long snd_tea575x_ioctl(struct file *file,
- unsigned int cmd, unsigned long data)
+static int vidioc_querycap(struct file *file, void *priv,
+ struct v4l2_capability *v)
{
struct snd_tea575x *tea = video_drvdata(file);
- void __user *arg = (void __user *)data;
-
- switch(cmd) {
- case VIDIOCGCAP:
- {
- struct video_capability v;
- v.type = VID_TYPE_TUNER;
- v.channels = 1;
- v.audios = 1;
- /* No we don't do pictures */
- v.maxwidth = 0;
- v.maxheight = 0;
- v.minwidth = 0;
- v.minheight = 0;
- strcpy(v.name, tea->tea5759 ? "TEA5759" : "TEA5757");
- if (copy_to_user(arg,&v,sizeof(v)))
- return -EFAULT;
- return 0;
- }
- case VIDIOCGTUNER:
- {
- struct video_tuner v;
- if (copy_from_user(&v, arg,sizeof(v))!=0)
- return -EFAULT;
- if (v.tuner) /* Only 1 tuner */
- return -EINVAL;
- v.rangelow = (87*16000);
- v.rangehigh = (108*16000);
- v.flags = VIDEO_TUNER_LOW;
- v.mode = VIDEO_MODE_AUTO;
- strcpy(v.name, "FM");
- v.signal = 0xFFFF;
- if (copy_to_user(arg, &v, sizeof(v)))
- return -EFAULT;
- return 0;
- }
- case VIDIOCSTUNER:
- {
- struct video_tuner v;
- if(copy_from_user(&v, arg, sizeof(v)))
- return -EFAULT;
- if(v.tuner!=0)
- return -EINVAL;
- /* Only 1 tuner so no setting needed ! */
+
+ strcpy(v->card, tea->tea5759 ? "TEA5759" : "TEA5757");
+ strlcpy(v->driver, "tea575x-tuner", sizeof(v->driver));
+ strlcpy(v->card, "Maestro Radio", sizeof(v->card));
+ sprintf(v->bus_info, "PCI");
+ 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)
+{
+ if (v->index > 0)
+ return -EINVAL;
+
+ strcpy(v->name, "FM");
+ v->type = V4L2_TUNER_RADIO;
+ v->rangelow = FREQ_LO;
+ v->rangehigh = FREQ_HI;
+ v->rxsubchans = V4L2_TUNER_SUB_MONO|V4L2_TUNER_SUB_STEREO;
+ v->capability = V4L2_TUNER_CAP_LOW;
+ v->audmode = V4L2_TUNER_MODE_MONO;
+ v->signal = 0xffff;
+ 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_g_frequency(struct file *file, void *priv,
+ struct v4l2_frequency *f)
+{
+ struct snd_tea575x *tea = video_drvdata(file);
+
+ f->type = V4L2_TUNER_RADIO;
+ f->frequency = tea->freq;
+ return 0;
+}
+
+static int vidioc_s_frequency(struct file *file, void *priv,
+ struct v4l2_frequency *f)
+{
+ struct snd_tea575x *tea = video_drvdata(file);
+
+ if (f->frequency < FREQ_LO || f->frequency > FREQ_HI)
+ return -EINVAL;
+
+ tea->freq = f->frequency;
+
+ snd_tea575x_set_freq(tea);
+
+ 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_s_audio(struct file *file, void *priv,
+ struct v4l2_audio *a)
+{
+ if (a->index != 0)
+ return -EINVAL;
+ 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 VIDIOCGFREQ:
- if(copy_to_user(arg, &tea->freq, sizeof(tea->freq)))
- return -EFAULT;
- return 0;
- case VIDIOCSFREQ:
- if(copy_from_user(&tea->freq, arg, sizeof(tea->freq)))
- return -EFAULT;
- snd_tea575x_set_freq(tea);
- return 0;
- case VIDIOCGAUDIO:
- {
- struct video_audio v;
- memset(&v, 0, sizeof(v));
- strcpy(v.name, "Radio");
- if(copy_to_user(arg,&v, sizeof(v)))
- return -EFAULT;
+ }
+ return -EINVAL;
+}
+
+static int vidioc_g_ctrl(struct file *file, void *priv,
+ struct v4l2_control *ctrl)
+{
+ struct snd_tea575x *tea = video_drvdata(file);
+
+ switch (ctrl->id) {
+ case V4L2_CID_AUDIO_MUTE:
+ if (tea->ops->mute) {
+ ctrl->value = tea->mute;
return 0;
}
- case VIDIOCSAUDIO:
- {
- struct video_audio v;
- if(copy_from_user(&v, arg, sizeof(v)))
- return -EFAULT;
- if (tea->ops->mute)
- tea->ops->mute(tea,
- (v.flags &
- VIDEO_AUDIO_MUTE) ? 1 : 0);
- if(v.audio)
- return -EINVAL;
+ }
+ return -EINVAL;
+}
+
+static int vidioc_s_ctrl(struct file *file, void *priv,
+ struct v4l2_control *ctrl)
+{
+ struct snd_tea575x *tea = video_drvdata(file);
+
+ switch (ctrl->id) {
+ case V4L2_CID_AUDIO_MUTE:
+ if (tea->ops->mute) {
+ tea->ops->mute(tea, ctrl->value);
+ tea->mute = 1;
return 0;
}
- default:
- return -ENOIOCTLCMD;
}
+ return -EINVAL;
+}
+
+static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
+{
+ *i = 0;
+ return 0;
}
-static void snd_tea575x_release(struct video_device *vfd)
+static int vidioc_s_input(struct file *filp, void *priv, unsigned int i)
{
+ if (i != 0)
+ return -EINVAL;
+ return 0;
}
static int snd_tea575x_exclusive_open(struct file *file)
return 0;
}
+static const struct v4l2_file_operations tea575x_fops = {
+ .owner = THIS_MODULE,
+ .open = snd_tea575x_exclusive_open,
+ .release = snd_tea575x_exclusive_release,
+ .ioctl = video_ioctl2,
+};
+
+static const struct v4l2_ioctl_ops tea575x_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 tea575x_radio = {
+ .name = "tea575x-tuner",
+ .fops = &tea575x_fops,
+ .ioctl_ops = &tea575x_ioctl_ops,
+ .release = video_device_release,
+};
+
/*
* initialize all the tea575x chips
*/
void snd_tea575x_init(struct snd_tea575x *tea)
{
+ int retval;
unsigned int val;
+ struct video_device *tea575x_radio_inst;
val = tea->ops->read(tea);
if (val == 0x1ffffff || val == 0) {
- snd_printk(KERN_ERR "Cannot find TEA575x chip\n");
+ snd_printk(KERN_ERR
+ "tea575x-tuner: Cannot find TEA575x chip\n");
return;
}
- memset(&tea->vd, 0, sizeof(tea->vd));
- strcpy(tea->vd.name, tea->tea5759 ? "TEA5759 radio" : "TEA5757 radio");
- tea->vd.release = snd_tea575x_release;
- video_set_drvdata(&tea->vd, tea);
- tea->vd.fops = &tea->fops;
tea->in_use = 0;
- tea->fops.owner = tea->card->module;
- tea->fops.open = snd_tea575x_exclusive_open;
- tea->fops.release = snd_tea575x_exclusive_release;
- tea->fops.ioctl = snd_tea575x_ioctl;
- if (video_register_device(&tea->vd, VFL_TYPE_RADIO, tea->dev_nr - 1) < 0) {
- snd_printk(KERN_ERR "unable to register tea575x tuner\n");
+ tea->val = TEA575X_BIT_BAND_FM | TEA575X_BIT_SEARCH_10_40;
+ tea->freq = 90500 * 16; /* 90.5Mhz default */
+
+ tea575x_radio_inst = video_device_alloc();
+ if (tea575x_radio_inst == NULL) {
+ printk(KERN_ERR "tea575x-tuner: not enough memory\n");
return;
}
- tea->vd_registered = 1;
- tea->val = TEA575X_BIT_BAND_FM | TEA575X_BIT_SEARCH_10_40;
- tea->freq = 90500 * 16; /* 90.5Mhz default */
+ memcpy(tea575x_radio_inst, &tea575x_radio, sizeof(tea575x_radio));
+
+ strcpy(tea575x_radio.name, tea->tea5759 ?
+ "TEA5759 radio" : "TEA5757 radio");
+
+ video_set_drvdata(tea575x_radio_inst, tea);
+
+ retval = video_register_device(tea575x_radio_inst,
+ VFL_TYPE_RADIO, radio_nr);
+ if (retval) {
+ printk(KERN_ERR "tea575x-tuner: can't register video device!\n");
+ kfree(tea575x_radio_inst);
+ return;
+ }
snd_tea575x_set_freq(tea);
/* mute on init */
- if (tea->ops->mute)
+ if (tea->ops->mute) {
tea->ops->mute(tea, 1);
+ tea->mute = 1;
+ }
+ tea->vd = tea575x_radio_inst;
}
void snd_tea575x_exit(struct snd_tea575x *tea)
{
- if (tea->vd_registered) {
- video_unregister_device(&tea->vd);
- tea->vd_registered = 0;
+ if (tea->vd) {
+ video_unregister_device(tea->vd);
+ tea->vd = NULL;
}
}
projects / openwrt / staging / blogic.git / commitdiff