Commit 46ff2c72 authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab
Browse files

V4L/DVB (4346): V4L2 conversion: radio_aimslab 



Driver conversion to V4L2 API. 
Require some testing, since this obsolete hardware is not
common those days.

Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@infradead.org>
parent b59b36db

drivers/media/radio/Kconfig

+1 −1
Original line number Diff line number Diff line
@@ -25,7 +25,7 @@ config RADIO_CADET 


config RADIO_RTRACK

	tristate "AIMSlab RadioTrack (aka RadioReveal) support"

	depends on ISA && VIDEO_V4L1

	depends on ISA && VIDEO_V4L2

	---help---

	  Choose Y here if you have one of these FM radio cards, and then fill

	  in the port address below.

drivers/media/radio/radio-aimslab.c

+106 −42
Original line number Diff line number Diff line 
/* radiotrack (radioreveal) driver for Linux radio support

 * (c) 1997 M. Kirkwood

 * Converted to V4L2 API by Mauro Carvalho Chehab <mchehab@infradead.org>

 * Converted to new API by Alan Cox <Alan.Cox@linux.org>

 * Various bugfixes and enhancements by Russell Kroll <rkroll@exploits.org>

 *
@@ -33,10 +34,13 @@ 
#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 <linux/videodev2.h>	/* kernel radio structs		*/

#include <media/v4l2-common.h>

#include <asm/semaphore.h>	/* Lock for the I/O 		*/



#include <linux/version.h>	/* for KERNEL_VERSION MACRO	*/

#define RADIO_VERSION KERNEL_VERSION(0,0,2)



#ifndef CONFIG_RADIO_RTRACK_PORT

#define CONFIG_RADIO_RTRACK_PORT -1

#endif
@@ -208,6 +212,25 @@ static int rt_getsigstr(struct rt_device *dev) 
	return 1;		/* signal present		*/

}



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       = 0xff,

		.step          = 1,

		.default_value = 0xff,

		.type          = V4L2_CTRL_TYPE_INTEGER,

	}

};



static int rt_do_ioctl(struct inode *inode, struct file *file,

		       unsigned int cmd, void *arg)

{
@@ -216,73 +239,114 @@ static int rt_do_ioctl(struct inode *inode, struct file *file, 


	switch(cmd)

	{

		case VIDIOCGCAP:

		case VIDIOC_QUERYCAP:

		{

			struct video_capability *v = arg;

			struct v4l2_capability *v = arg;

			memset(v,0,sizeof(*v));

			v->type=VID_TYPE_TUNER;

			v->channels=1;

			v->audios=1;

			strcpy(v->name, "RadioTrack");

			strlcpy(v->driver, "radio-aimslab", sizeof (v->driver));

			strlcpy(v->card, "RadioTrack", sizeof (v->card));

			sprintf(v->bus_info,"ISA");

			v->version = RADIO_VERSION;

			v->capabilities = V4L2_CAP_TUNER;



			return 0;

		}

		case VIDIOCGTUNER:

		case VIDIOC_G_TUNER:

		{

			struct video_tuner *v = arg;

			if(v->tuner)	/* Only 1 tuner */

			struct v4l2_tuner *v = arg;



			if (v->index > 0)

				return -EINVAL;



			memset(v,0,sizeof(*v));

			strcpy(v->name, "FM");

			v->type = V4L2_TUNER_RADIO;



			v->rangelow=(87*16000);

			v->rangehigh=(108*16000);

			v->flags=VIDEO_TUNER_LOW;

			v->mode=VIDEO_MODE_AUTO;

			strcpy(v->name, "FM");

			v->rxsubchans =V4L2_TUNER_SUB_MONO;

			v->capability=V4L2_TUNER_CAP_LOW;

			v->audmode = V4L2_TUNER_MODE_MONO;

			v->signal=0xFFFF*rt_getsigstr(rt);



			return 0;

		}

		case VIDIOCSTUNER:

		case VIDIOC_S_TUNER:

		{

			struct video_tuner *v = arg;

			if(v->tuner!=0)

			struct v4l2_tuner *v = arg;



			if (v->index > 0)

				return -EINVAL;

			/* Only 1 tuner so no setting needed ! */



			return 0;

		}

		case VIDIOCGFREQ:

		case VIDIOC_S_FREQUENCY:

		{

			unsigned long *freq = arg;

			*freq = rt->curfreq;

			struct v4l2_frequency *f = arg;



			rt->curfreq = f->frequency;

			rt_setfreq(rt, rt->curfreq);

			return 0;

		}

		case VIDIOCSFREQ:

		case VIDIOC_G_FREQUENCY:

		{

			unsigned long *freq = arg;

			rt->curfreq = *freq;

			rt_setfreq(rt, rt->curfreq);

			struct v4l2_frequency *f = arg;



			f->type = V4L2_TUNER_RADIO;

			f->frequency = rt->curfreq;



			return 0;

		}

		case VIDIOCGAUDIO:

		case VIDIOC_QUERYCTRL:

		{

			struct video_audio *v = arg;

			memset(v,0, sizeof(*v));

			v->flags|=VIDEO_AUDIO_MUTABLE|VIDEO_AUDIO_VOLUME;

			v->volume=rt->curvol * 6554;

			v->step=6554;

			strcpy(v->name, "Radio");

			return 0;

			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);

				}

		case VIDIOCSAUDIO:

			}

			return -EINVAL;

		}

		case VIDIOC_G_CTRL:

		{

			struct video_audio *v = arg;

			if(v->audio)

			struct v4l2_control *ctrl= arg;



			switch (ctrl->id) {

				case V4L2_CID_AUDIO_MUTE:

					ctrl->value=rt->muted;

					return (0);

				case V4L2_CID_AUDIO_VOLUME:

					ctrl->value=rt->curvol * 6554;

					return (0);

			}

			return -EINVAL;

			if(v->flags&VIDEO_AUDIO_MUTE)

		}

		case VIDIOC_S_CTRL:

		{

			struct v4l2_control *ctrl= arg;



			switch (ctrl->id) {

				case V4L2_CID_AUDIO_MUTE:

					if (ctrl->value) {

						rt_mute(rt);

			else

				rt_setvol(rt,v->volume/6554);

			return 0;

					} else {

						rt_setvol(rt,rt->curvol);

					}

					return (0);

				case V4L2_CID_AUDIO_VOLUME:

					rt_setvol(rt,ctrl->value);

					return (0);

			}

			return -EINVAL;

		}



		default:

			return -ENOIOCTLCMD;

			return v4l_compat_translate_ioctl(inode,file,cmd,arg,

							  rt_do_ioctl);

	}

}