V4L/DVB (10771): tea575x-tuner: convert it to V4L2 API
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab
parent
85f8841e8a
commit
9b76ede411
3 changed files with 219 additions and 107 deletions
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@ -22,8 +22,9 @@
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*
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*/
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#include <linux/videodev.h>
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#include <linux/videodev2.h>
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#include <media/v4l2-dev.h>
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#include <media/v4l2-ioctl.h>
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struct snd_tea575x;
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@ -35,11 +36,10 @@ struct snd_tea575x_ops {
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struct snd_tea575x {
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struct snd_card *card;
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struct video_device vd; /* video device */
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struct v4l2_file_operations fops;
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struct video_device *vd; /* video device */
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int dev_nr; /* requested device number + 1 */
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int vd_registered; /* video device is registered */
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int tea5759; /* 5759 chip is present */
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int mute; /* Device is muted? */
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unsigned int freq_fixup; /* crystal onboard */
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unsigned int val; /* hw value */
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unsigned long freq; /* frequency */
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@ -24,6 +24,7 @@
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#include <linux/delay.h>
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#include <linux/interrupt.h>
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#include <linux/init.h>
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#include <linux/version.h>
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#include <sound/core.h>
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#include <sound/tea575x-tuner.h>
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@ -31,6 +32,13 @@ MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
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MODULE_DESCRIPTION("Routines for control of TEA5757/5759 Philips AM/FM radio tuner chips");
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MODULE_LICENSE("GPL");
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static int radio_nr = -1;
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module_param(radio_nr, int, 0);
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#define RADIO_VERSION KERNEL_VERSION(0, 0, 2)
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#define FREQ_LO (87 * 16000)
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#define FREQ_HI (108 * 16000)
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/*
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* definitions
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*/
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@ -53,6 +61,17 @@ MODULE_LICENSE("GPL");
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#define TEA575X_BIT_DUMMY (1<<15) /* buffer */
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#define TEA575X_BIT_FREQ_MASK 0x7fff
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static struct v4l2_queryctrl radio_qctrl[] = {
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{
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.id = V4L2_CID_AUDIO_MUTE,
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.name = "Mute",
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.minimum = 0,
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.maximum = 1,
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.default_value = 1,
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.type = V4L2_CTRL_TYPE_BOOLEAN,
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}
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};
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/*
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* lowlevel part
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*/
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@ -84,94 +103,146 @@ static void snd_tea575x_set_freq(struct snd_tea575x *tea)
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* Linux Video interface
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*/
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static long snd_tea575x_ioctl(struct file *file,
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unsigned int cmd, unsigned long data)
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static int vidioc_querycap(struct file *file, void *priv,
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struct v4l2_capability *v)
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{
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struct snd_tea575x *tea = video_drvdata(file);
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void __user *arg = (void __user *)data;
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switch(cmd) {
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case VIDIOCGCAP:
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{
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struct video_capability v;
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v.type = VID_TYPE_TUNER;
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v.channels = 1;
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v.audios = 1;
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/* No we don't do pictures */
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v.maxwidth = 0;
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v.maxheight = 0;
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v.minwidth = 0;
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v.minheight = 0;
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strcpy(v.name, tea->tea5759 ? "TEA5759" : "TEA5757");
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if (copy_to_user(arg,&v,sizeof(v)))
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return -EFAULT;
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strcpy(v->card, tea->tea5759 ? "TEA5759" : "TEA5757");
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strlcpy(v->driver, "tea575x-tuner", sizeof(v->driver));
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strlcpy(v->card, "Maestro Radio", sizeof(v->card));
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sprintf(v->bus_info, "PCI");
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v->version = RADIO_VERSION;
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v->capabilities = V4L2_CAP_TUNER;
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return 0;
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}
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case VIDIOCGTUNER:
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static int vidioc_g_tuner(struct file *file, void *priv,
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struct v4l2_tuner *v)
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{
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struct video_tuner v;
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if (copy_from_user(&v, arg,sizeof(v))!=0)
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return -EFAULT;
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if (v.tuner) /* Only 1 tuner */
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if (v->index > 0)
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return -EINVAL;
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v.rangelow = (87*16000);
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v.rangehigh = (108*16000);
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v.flags = VIDEO_TUNER_LOW;
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v.mode = VIDEO_MODE_AUTO;
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strcpy(v.name, "FM");
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v.signal = 0xFFFF;
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if (copy_to_user(arg, &v, sizeof(v)))
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return -EFAULT;
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strcpy(v->name, "FM");
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v->type = V4L2_TUNER_RADIO;
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v->rangelow = FREQ_LO;
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v->rangehigh = FREQ_HI;
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v->rxsubchans = V4L2_TUNER_SUB_MONO|V4L2_TUNER_SUB_STEREO;
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v->capability = V4L2_TUNER_CAP_LOW;
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v->audmode = V4L2_TUNER_MODE_MONO;
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v->signal = 0xffff;
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return 0;
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}
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case VIDIOCSTUNER:
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static int vidioc_s_tuner(struct file *file, void *priv,
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struct v4l2_tuner *v)
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{
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struct video_tuner v;
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if(copy_from_user(&v, arg, sizeof(v)))
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return -EFAULT;
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if(v.tuner!=0)
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if (v->index > 0)
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return -EINVAL;
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/* Only 1 tuner so no setting needed ! */
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return 0;
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}
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case VIDIOCGFREQ:
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if(copy_to_user(arg, &tea->freq, sizeof(tea->freq)))
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return -EFAULT;
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static int vidioc_g_frequency(struct file *file, void *priv,
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struct v4l2_frequency *f)
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{
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struct snd_tea575x *tea = video_drvdata(file);
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f->type = V4L2_TUNER_RADIO;
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f->frequency = tea->freq;
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return 0;
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case VIDIOCSFREQ:
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if(copy_from_user(&tea->freq, arg, sizeof(tea->freq)))
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return -EFAULT;
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}
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static int vidioc_s_frequency(struct file *file, void *priv,
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struct v4l2_frequency *f)
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{
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struct snd_tea575x *tea = video_drvdata(file);
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if (f->frequency < FREQ_LO || f->frequency > FREQ_HI)
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return -EINVAL;
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tea->freq = f->frequency;
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snd_tea575x_set_freq(tea);
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return 0;
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case VIDIOCGAUDIO:
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{
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struct video_audio v;
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memset(&v, 0, sizeof(v));
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strcpy(v.name, "Radio");
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if(copy_to_user(arg,&v, sizeof(v)))
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return -EFAULT;
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return 0;
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}
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case VIDIOCSAUDIO:
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static int vidioc_g_audio(struct file *file, void *priv,
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struct v4l2_audio *a)
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{
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struct video_audio v;
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if(copy_from_user(&v, arg, sizeof(v)))
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return -EFAULT;
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if (tea->ops->mute)
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tea->ops->mute(tea,
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(v.flags &
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VIDEO_AUDIO_MUTE) ? 1 : 0);
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if(v.audio)
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if (a->index > 1)
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return -EINVAL;
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strcpy(a->name, "Radio");
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a->capability = V4L2_AUDCAP_STEREO;
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return 0;
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}
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static int vidioc_s_audio(struct file *file, void *priv,
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struct v4l2_audio *a)
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{
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if (a->index != 0)
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return -EINVAL;
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return 0;
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}
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default:
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return -ENOIOCTLCMD;
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static int vidioc_queryctrl(struct file *file, void *priv,
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struct v4l2_queryctrl *qc)
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{
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int i;
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for (i = 0; i < ARRAY_SIZE(radio_qctrl); i++) {
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if (qc->id && qc->id == radio_qctrl[i].id) {
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memcpy(qc, &(radio_qctrl[i]),
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sizeof(*qc));
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return 0;
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}
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}
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return -EINVAL;
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}
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static void snd_tea575x_release(struct video_device *vfd)
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static int vidioc_g_ctrl(struct file *file, void *priv,
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struct v4l2_control *ctrl)
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{
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struct snd_tea575x *tea = video_drvdata(file);
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switch (ctrl->id) {
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case V4L2_CID_AUDIO_MUTE:
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if (tea->ops->mute) {
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ctrl->value = tea->mute;
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return 0;
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}
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}
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return -EINVAL;
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}
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static int vidioc_s_ctrl(struct file *file, void *priv,
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struct v4l2_control *ctrl)
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{
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struct snd_tea575x *tea = video_drvdata(file);
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switch (ctrl->id) {
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case V4L2_CID_AUDIO_MUTE:
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if (tea->ops->mute) {
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tea->ops->mute(tea, ctrl->value);
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tea->mute = 1;
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return 0;
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}
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}
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return -EINVAL;
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}
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static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
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{
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*i = 0;
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return 0;
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}
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static int vidioc_s_input(struct file *filp, void *priv, unsigned int i)
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{
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if (i != 0)
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return -EINVAL;
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return 0;
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}
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static int snd_tea575x_exclusive_open(struct file *file)
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@ -189,50 +260,91 @@ static int snd_tea575x_exclusive_release(struct file *file)
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return 0;
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}
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static const struct v4l2_file_operations tea575x_fops = {
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.owner = THIS_MODULE,
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.open = snd_tea575x_exclusive_open,
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.release = snd_tea575x_exclusive_release,
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.ioctl = video_ioctl2,
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};
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static const struct v4l2_ioctl_ops tea575x_ioctl_ops = {
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.vidioc_querycap = vidioc_querycap,
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.vidioc_g_tuner = vidioc_g_tuner,
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.vidioc_s_tuner = vidioc_s_tuner,
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.vidioc_g_audio = vidioc_g_audio,
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.vidioc_s_audio = vidioc_s_audio,
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.vidioc_g_input = vidioc_g_input,
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.vidioc_s_input = vidioc_s_input,
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.vidioc_g_frequency = vidioc_g_frequency,
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.vidioc_s_frequency = vidioc_s_frequency,
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.vidioc_queryctrl = vidioc_queryctrl,
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.vidioc_g_ctrl = vidioc_g_ctrl,
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.vidioc_s_ctrl = vidioc_s_ctrl,
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};
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static struct video_device tea575x_radio = {
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.name = "tea575x-tuner",
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.fops = &tea575x_fops,
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.ioctl_ops = &tea575x_ioctl_ops,
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.release = video_device_release,
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};
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/*
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* initialize all the tea575x chips
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*/
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void snd_tea575x_init(struct snd_tea575x *tea)
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{
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int retval;
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unsigned int val;
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struct video_device *tea575x_radio_inst;
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val = tea->ops->read(tea);
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if (val == 0x1ffffff || val == 0) {
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snd_printk(KERN_ERR "Cannot find TEA575x chip\n");
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snd_printk(KERN_ERR
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"tea575x-tuner: Cannot find TEA575x chip\n");
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return;
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}
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memset(&tea->vd, 0, sizeof(tea->vd));
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strcpy(tea->vd.name, tea->tea5759 ? "TEA5759 radio" : "TEA5757 radio");
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tea->vd.release = snd_tea575x_release;
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video_set_drvdata(&tea->vd, tea);
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tea->vd.fops = &tea->fops;
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tea->in_use = 0;
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tea->fops.owner = tea->card->module;
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tea->fops.open = snd_tea575x_exclusive_open;
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tea->fops.release = snd_tea575x_exclusive_release;
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tea->fops.ioctl = snd_tea575x_ioctl;
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if (video_register_device(&tea->vd, VFL_TYPE_RADIO, tea->dev_nr - 1) < 0) {
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snd_printk(KERN_ERR "unable to register tea575x tuner\n");
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return;
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}
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tea->vd_registered = 1;
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tea->val = TEA575X_BIT_BAND_FM | TEA575X_BIT_SEARCH_10_40;
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tea->freq = 90500 * 16; /* 90.5Mhz default */
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tea575x_radio_inst = video_device_alloc();
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if (tea575x_radio_inst == NULL) {
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printk(KERN_ERR "tea575x-tuner: not enough memory\n");
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return;
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}
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memcpy(tea575x_radio_inst, &tea575x_radio, sizeof(tea575x_radio));
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strcpy(tea575x_radio.name, tea->tea5759 ?
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"TEA5759 radio" : "TEA5757 radio");
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video_set_drvdata(tea575x_radio_inst, tea);
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retval = video_register_device(tea575x_radio_inst,
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VFL_TYPE_RADIO, radio_nr);
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if (retval) {
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printk(KERN_ERR "tea575x-tuner: can't register video device!\n");
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kfree(tea575x_radio_inst);
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return;
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}
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snd_tea575x_set_freq(tea);
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/* mute on init */
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if (tea->ops->mute)
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if (tea->ops->mute) {
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tea->ops->mute(tea, 1);
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tea->mute = 1;
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}
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tea->vd = tea575x_radio_inst;
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}
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void snd_tea575x_exit(struct snd_tea575x *tea)
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{
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if (tea->vd_registered) {
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video_unregister_device(&tea->vd);
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tea->vd_registered = 0;
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if (tea->vd) {
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video_unregister_device(tea->vd);
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tea->vd = NULL;
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}
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}
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@ -507,7 +507,7 @@ config SND_FM801
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config SND_FM801_TEA575X_BOOL
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bool "ForteMedia FM801 + TEA5757 tuner"
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depends on SND_FM801
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depends on VIDEO_V4L1=y || VIDEO_V4L1=SND_FM801
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depends on VIDEO_V4L2=y || VIDEO_V4L2=SND_FM801
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help
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Say Y here to include support for soundcards based on the ForteMedia
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FM801 chip with a TEA5757 tuner connected to GPIO1-3 pins (Media
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