Commit a2ef73af authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab
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V4L/DVB (4353): V4L2 conversion: radio-sf16fmi 



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 f8c559f8

drivers/media/radio/Kconfig

+1 −1
Original line number Diff line number Diff line
@@ -208,7 +208,7 @@ config RADIO_MIROPCM20_RDS 


config RADIO_SF16FMI

	tristate "SF16FMI Radio"

	depends on ISA && VIDEO_V4L1

	depends on ISA && VIDEO_V4L2

	---help---

	  Choose Y here if you have one of these FM radio cards.  If you

	  compile the driver into the kernel and your card is not PnP one, you

drivers/media/radio/radio-sf16fmi.c

+100 −57
Original line number Diff line number Diff line
@@ -13,6 +13,7 @@ 
 *  No volume control - only mute/unmute - you have to use line volume

 *  control on SB-part of SF16FMI

 *

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

 */



#include <linux/kernel.h>	/* __setup			*/
@@ -20,13 +21,26 @@ 
#include <linux/init.h>		/* Initdata			*/

#include <linux/ioport.h>	/* request_region		*/

#include <linux/delay.h>	/* udelay			*/

#include <linux/videodev.h>	/* kernel radio structs		*/

#include <linux/videodev2.h>	/* kernel radio structs		*/

#include <media/v4l2-common.h>

#include <linux/isapnp.h>

#include <asm/io.h>		/* outb, outb_p			*/

#include <asm/uaccess.h>	/* copy to/from user		*/

#include <linux/mutex.h>



#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,

	}

};



struct fmi_device

{

	int port;
@@ -123,93 +137,122 @@ static int fmi_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));

			strcpy(v->name, "SF16-FMx radio");

			v->type=VID_TYPE_TUNER;

			v->channels=1;

			v->audios=1;

			strlcpy(v->driver, "radio-sf16fmi", sizeof (v->driver));

			strlcpy(v->card, "SF16-FMx radio", 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;

			struct v4l2_tuner *v = arg;

			int mult;



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

			if (v->index > 0)

				return -EINVAL;



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

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

			mult = (fmi->flags & VIDEO_TUNER_LOW) ? 1 : 1000;

			v->type = V4L2_TUNER_RADIO;



			mult = (fmi->flags & V4L2_TUNER_CAP_LOW) ? 1 : 1000;

			v->rangelow = RSF16_MINFREQ/mult;

			v->rangehigh = RSF16_MAXFREQ/mult;

			v->flags=fmi->flags;

			v->mode=VIDEO_MODE_AUTO;

			v->rxsubchans =V4L2_TUNER_SUB_MONO | V4L2_TUNER_MODE_STEREO;

			v->capability=fmi->flags;

			v->audmode = V4L2_TUNER_MODE_STEREO;

			v->signal = fmi_getsigstr(fmi);



			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;

			fmi->flags = v->flags & VIDEO_TUNER_LOW;

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

			return 0;

		}

		case VIDIOCGFREQ:

		{

			unsigned long *freq = arg;

			*freq = fmi->curfreq;

			if (!(fmi->flags & VIDEO_TUNER_LOW))

			    *freq /= 1000;



			return 0;

		}

		case VIDIOCSFREQ:

		case VIDIOC_S_FREQUENCY:

		{

			unsigned long *freq = arg;

			if (!(fmi->flags & VIDEO_TUNER_LOW))

				*freq *= 1000;

			if (*freq < RSF16_MINFREQ || *freq > RSF16_MAXFREQ )

			struct v4l2_frequency *f = arg;



			if (!(fmi->flags & V4L2_TUNER_CAP_LOW))

				f->frequency *= 1000;

			if (f->frequency < RSF16_MINFREQ ||

					f->frequency > RSF16_MAXFREQ )

				return -EINVAL;

			/*rounding in steps of 800 to match th freq

			  that will be used */

			fmi->curfreq = (*freq/800)*800;

			fmi->curfreq = (f->frequency/800)*800;

			fmi_setfreq(fmi);



			return 0;

		}

		case VIDIOCGAUDIO:

		case VIDIOC_G_FREQUENCY:

		{

			struct video_audio *v = arg;

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

			v->flags=( (!fmi->curvol)*VIDEO_AUDIO_MUTE | VIDEO_AUDIO_MUTABLE);

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

			v->mode=VIDEO_SOUND_STEREO;

			struct v4l2_frequency *f = arg;



			f->type = V4L2_TUNER_RADIO;

			f->frequency = fmi->curfreq;

			if (!(fmi->flags & V4L2_TUNER_CAP_LOW))

				f->frequency /= 1000;



			return 0;

		}

		case VIDIOCSAUDIO:

		case VIDIOC_QUERYCTRL:

		{

			struct video_audio *v = arg;

			if(v->audio)

			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;

			fmi->curvol= v->flags&VIDEO_AUDIO_MUTE ? 0 : 1;

			fmi->curvol ?

				fmi_unmute(fmi->port) : fmi_mute(fmi->port);

			return 0;

		}

		case VIDIOCGUNIT:

		case VIDIOC_G_CTRL:

		{

			struct video_unit *v = arg;

			v->video=VIDEO_NO_UNIT;

			v->vbi=VIDEO_NO_UNIT;

			v->radio=dev->minor;

			v->audio=0; /* How do we find out this??? */

			v->teletext=VIDEO_NO_UNIT;

			return 0;

			struct v4l2_control *ctrl= arg;



			switch (ctrl->id) {

				case V4L2_CID_AUDIO_MUTE:

					ctrl->value=fmi->curvol;

					return (0);

			}

			return -EINVAL;

		}

		case VIDIOC_S_CTRL:

		{

			struct v4l2_control *ctrl= arg;



			switch (ctrl->id) {

				case V4L2_CID_AUDIO_MUTE:

				{

					if (ctrl->value)

						fmi_mute(fmi->port);

					else

						fmi_unmute(fmi->port);



					fmi->curvol=ctrl->value;

					return (0);

				}

			}

			return -EINVAL;

		}

		default:

			return -ENOIOCTLCMD;

			return v4l_compat_translate_ioctl(inode,file,cmd,arg,

							  fmi_do_ioctl);

	}

}
@@ -235,7 +278,7 @@ static struct video_device fmi_radio= 
	.owner		= THIS_MODULE,

	.name		= "SF16FMx radio",

	.type		= VID_TYPE_TUNER,

	.hardware	= VID_HARDWARE_SF16MI,

	.hardware	= 0,

	.fops           = &fmi_fops,

};
@@ -294,7 +337,7 @@ static int __init fmi_init(void) 
	fmi_unit.port = io;

	fmi_unit.curvol = 0;

	fmi_unit.curfreq = 0;

	fmi_unit.flags = VIDEO_TUNER_LOW;

	fmi_unit.flags = V4L2_TUNER_CAP_LOW;

	fmi_radio.priv = &fmi_unit;



	mutex_init(&lock);