fedora core 6 1.2949 + vserver 2.2.0
[linux-2.6.git] / drivers / media / radio / radio-maxiradio.c
index c975ddd..c2eeae7 100644 (file)
@@ -1,15 +1,15 @@
-/* 
- * Guillemot Maxi Radio FM 2000 PCI radio card driver for Linux 
+/*
+ * Guillemot Maxi Radio FM 2000 PCI radio card driver for Linux
  * (C) 2001 Dimitromanolakis Apostolos <apdim@grecian.net>
  *
  * Based in the radio Maestro PCI driver. Actually it uses the same chip
  * for radio but different pci controller.
  *
  * I didn't have any specs I reversed engineered the protocol from
- * the windows driver (radio.dll). 
+ * the windows driver (radio.dll).
  *
  * The card uses the TEA5757 chip that includes a search function but it
- * is useless as I haven't found any way to read back the frequency. If 
+ * is useless as I haven't found any way to read back the frequency. If
  * anybody does please mail me.
  *
  * For the pdf file see:
  *   0.75b
  *     - better pci interface thanks to Francois Romieu <romieu@cogenit.fr>
  *
- *   0.75
+ *   0.75      Sun Feb  4 22:51:27 EET 2001
  *     - tiding up
  *     - removed support for multiple devices as it didn't work anyway
  *
- * BUGS: 
+ * BUGS:
  *   - card unmutes if you change frequency
  *
+ * Converted to V4L2 API by Mauro Carvalho Chehab <mchehab@infradead.org>
  */
 
 
 #include <linux/sched.h>
 #include <asm/io.h>
 #include <asm/uaccess.h>
-#include <asm/semaphore.h>
-#include <linux/pci.h>
-#include <linux/videodev.h>
+#include <linux/mutex.h>
 
-/* version 0.75      Sun Feb  4 22:51:27 EET 2001 */
-#define DRIVER_VERSION "0.75"
+#include <linux/pci.h>
+#include <linux/videodev2.h>
+#include <media/v4l2-common.h>
+
+#define DRIVER_VERSION "0.76"
+
+#include <linux/version.h>      /* for KERNEL_VERSION MACRO     */
+#define RADIO_VERSION KERNEL_VERSION(0,7,6)
+
+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,
+       }
+};
 
 #ifndef PCI_VENDOR_ID_GUILLEMOT
 #define PCI_VENDOR_ID_GUILLEMOT 0x5046
@@ -79,7 +95,7 @@ static struct file_operations maxiradio_fops = {
        .owner          = THIS_MODULE,
        .open           = video_exclusive_open,
        .release        = video_exclusive_release,
-       .ioctl          = radio_ioctl,
+       .ioctl          = radio_ioctl,
        .compat_ioctl   = v4l_compat_ioctl32,
        .llseek         = no_llseek,
 };
@@ -88,7 +104,6 @@ static struct video_device maxiradio_radio =
        .owner          = THIS_MODULE,
        .name           = "Maxi Radio FM2000 radio",
        .type           = VID_TYPE_TUNER,
-       .hardware       = VID_HARDWARE_SF16MI,
        .fops           = &maxiradio_fops,
 };
 
@@ -96,12 +111,12 @@ static struct radio_device
 {
        __u16   io,     /* base of radio io */
                muted,  /* VIDEO_AUDIO_MUTE */
-               stereo, /* VIDEO_TUNER_STEREO_ON */     
+               stereo, /* VIDEO_TUNER_STEREO_ON */
                tuned;  /* signal strength (0 or 0xffff) */
-               
+
        unsigned long freq;
-       
-       struct  semaphore lock;
+
+       struct mutex lock;
 } radio_unit = {0, 0, 0, 0, };
 
 
@@ -113,7 +128,7 @@ static void outbit(unsigned long bit, __u16 io)
                        outb(  power|wren|data|clk ,io); udelay(4);
                        outb(  power|wren|data     ,io); udelay(4);
                }
-       else    
+       else
                {
                        outb(  power|wren          ,io); udelay(4);
                        outb(  power|wren|clk      ,io); udelay(4);
@@ -131,12 +146,12 @@ static void set_freq(__u16 io, __u32 data)
 {
        unsigned long int si;
        int bl;
-       
+
        /* TEA5757 shift register bits (see pdf) */
 
-       outbit(0,io); // 24  search 
+       outbit(0,io); // 24  search
        outbit(1,io); // 23  search up/down
-       
+
        outbit(0,io); // 22  stereo/mono
 
        outbit(0,io); // 21  band
@@ -144,24 +159,24 @@ static void set_freq(__u16 io, __u32 data)
 
        outbit(0,io); // 19  port ?
        outbit(0,io); // 18  port ?
-       
+
        outbit(0,io); // 17  search level
        outbit(0,io); // 16  search level
+
        si = 0x8000;
        for(bl = 1; bl <= 16 ; bl++) { outbit(data & si,io); si >>=1; }
-       
+
        outb(power,io);
 }
 
 static int get_stereo(__u16 io)
-{      
+{
        outb(power,io); udelay(4);
        return !(inb(io) & mo_st);
 }
 
 static int get_tune(__u16 io)
-{      
+{
        outb(power+clk,io); udelay(4);
        return !(inb(io) & mo_st);
 }
@@ -174,89 +189,116 @@ static inline int radio_function(struct inode *inode, struct file *file,
        struct radio_device *card=dev->priv;
 
        switch(cmd) {
-               case VIDIOCGCAP: {
-                       struct video_capability *v = arg;
-                       
+               case VIDIOC_QUERYCAP:
+               {
+                       struct v4l2_capability *v = arg;
                        memset(v,0,sizeof(*v));
-                       strcpy(v->name, "Maxi Radio FM2000 radio");
-                       v->type=VID_TYPE_TUNER;
-                       v->channels=v->audios=1;
+                       strlcpy(v->driver, "radio-maxiradio", sizeof (v->driver));
+                       strlcpy(v->card, "Maxi Radio FM2000 radio", sizeof (v->card));
+                       sprintf(v->bus_info,"ISA");
+                       v->version = RADIO_VERSION;
+                       v->capabilities = V4L2_CAP_TUNER;
+
                        return 0;
                }
-               case VIDIOCGTUNER: {
-                       struct video_tuner *v = arg;
-                       
-                       if(v->tuner)
+               case VIDIOC_G_TUNER:
+               {
+                       struct v4l2_tuner *v = arg;
+
+                       if (v->index > 0)
                                return -EINVAL;
-                               
-                       card->stereo = 0xffff * get_stereo(card->io);
-                       card->tuned = 0xffff * get_tune(card->io);
-                       
-                       v->flags = VIDEO_TUNER_LOW | card->stereo;
-                       v->signal = card->tuned;
-                       
+
+                       memset(v,0,sizeof(*v));
                        strcpy(v->name, "FM");
-                       
-                       v->rangelow = FREQ_LO;
-                       v->rangehigh = FREQ_HI;
-                       v->mode = VIDEO_MODE_AUTO;
-                       
+                       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;
+                       if(get_stereo(card->io))
+                               v->audmode = V4L2_TUNER_MODE_STEREO;
+                       else
+                               v->audmode = V4L2_TUNER_MODE_MONO;
+                       v->signal=0xffff*get_tune(card->io);
+
                        return 0;
                }
-               case VIDIOCSTUNER: {
-                       struct video_tuner *v = arg;
-                       if(v->tuner!=0)
+               case VIDIOC_S_TUNER:
+               {
+                       struct v4l2_tuner *v = arg;
+
+                       if (v->index > 0)
                                return -EINVAL;
+
                        return 0;
                }
-               case VIDIOCGFREQ: {
-                       unsigned long *freq = arg;
-                       
-                       *freq = card->freq;
-                       return 0;
-               }
-               case VIDIOCSFREQ: {
-                       unsigned long *freq = arg;
-                       
-                       if (*freq < FREQ_LO || *freq > FREQ_HI)
+               case VIDIOC_S_FREQUENCY:
+               {
+                       struct v4l2_frequency *f = arg;
+
+                       if (f->frequency < FREQ_LO || f->frequency > FREQ_HI)
                                return -EINVAL;
-                       card->freq = *freq;
+
+                       card->freq = f->frequency;
                        set_freq(card->io, FREQ2BITS(card->freq));
                        msleep(125);
                        return 0;
                }
-               case VIDIOCGAUDIO: {    
-                       struct video_audio *v = arg;
-                       memset(v,0,sizeof(*v));
-                       strcpy(v->name, "Radio");
-                       v->flags=VIDEO_AUDIO_MUTABLE | card->muted;
-                       v->mode=VIDEO_SOUND_STEREO;
-                       return 0;               
-               }
-               
-               case VIDIOCSAUDIO: {
-                       struct video_audio *v = arg;
-                       
-                       if(v->audio)
-                               return -EINVAL;
-                       card->muted = v->flags & VIDEO_AUDIO_MUTE;
-                       if(card->muted)
-                               turn_power(card->io, 0);
-                       else
-                               set_freq(card->io, FREQ2BITS(card->freq));
+               case VIDIOC_G_FREQUENCY:
+               {
+                       struct v4l2_frequency *f = arg;
+
+                       f->type = V4L2_TUNER_RADIO;
+                       f->frequency = card->freq;
+
                        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;
-                       v->teletext=VIDEO_NO_UNIT;
-                       return 0;               
+               case VIDIOC_QUERYCTRL:
+               {
+                       struct v4l2_queryctrl *qc = arg;
+                       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);
+                               }
+                       }
+                       return -EINVAL;
+               }
+               case VIDIOC_G_CTRL:
+               {
+                       struct v4l2_control *ctrl= arg;
+
+                       switch (ctrl->id) {
+                               case V4L2_CID_AUDIO_MUTE:
+                                       ctrl->value=card->muted;
+                                       return (0);
+                       }
+                       return -EINVAL;
                }
-               default: return -ENOIOCTLCMD;
+               case VIDIOC_S_CTRL:
+               {
+                       struct v4l2_control *ctrl= arg;
+
+                       switch (ctrl->id) {
+                               case V4L2_CID_AUDIO_MUTE:
+                                       card->muted = ctrl->value;
+                                       if(card->muted)
+                                               turn_power(card->io, 0);
+                                       else
+                                               set_freq(card->io, FREQ2BITS(card->freq));
+                                       return 0;
+                       }
+                       return -EINVAL;
+               }
+
+               default:
+                       return v4l_compat_translate_ioctl(inode,file,cmd,arg,
+                                                         radio_function);
+
        }
 }
 
@@ -266,10 +308,10 @@ static int radio_ioctl(struct inode *inode, struct file *file,
        struct video_device *dev = video_devdata(file);
        struct radio_device *card=dev->priv;
        int ret;
-       
-       down(&card->lock);
+
+       mutex_lock(&card->lock);
        ret = video_usercopy(inode, file, cmd, arg, radio_function);
-       up(&card->lock);
+       mutex_unlock(&card->lock);
        return ret;
 }
 
@@ -281,21 +323,21 @@ MODULE_LICENSE("GPL");
 static int __devinit maxiradio_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
        if(!request_region(pci_resource_start(pdev, 0),
-                          pci_resource_len(pdev, 0), "Maxi Radio FM 2000")) {
-               printk(KERN_ERR "radio-maxiradio: can't reserve I/O ports\n");
-               goto err_out;
+                          pci_resource_len(pdev, 0), "Maxi Radio FM 2000")) {
+               printk(KERN_ERR "radio-maxiradio: can't reserve I/O ports\n");
+               goto err_out;
        }
 
        if (pci_enable_device(pdev))
-               goto err_out_free_region;
+               goto err_out_free_region;
 
        radio_unit.io = pci_resource_start(pdev, 0);
-       init_MUTEX(&radio_unit.lock);
+       mutex_init(&radio_unit.lock);
        maxiradio_radio.priv = &radio_unit;
 
        if(video_register_device(&maxiradio_radio, VFL_TYPE_RADIO, radio_nr)==-1) {
-               printk("radio-maxiradio: can't register device!");
-               goto err_out_free_region;
+               printk("radio-maxiradio: can't register device!");
+               goto err_out_free_region;
        }
 
        printk(KERN_INFO "radio-maxiradio: version "