Commit 52afbc2f authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab
Browse files

V4L/DVB (4350): V4L2 conversion: radio_gemtek-pci 



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 d1c4ecde

drivers/media/radio/Kconfig

+1 −1
Original line number Diff line number Diff line
@@ -131,7 +131,7 @@ config RADIO_GEMTEK_PORT 


config RADIO_GEMTEK_PCI

	tristate "GemTek PCI Radio Card support"

	depends on VIDEO_V4L1 && PCI

	depends on VIDEO_V4L2 && PCI

	---help---

	  Choose Y here if you have this PCI FM radio card.

drivers/media/radio/radio-gemtek-pci.c

+110 −60
Original line number Diff line number Diff line
@@ -34,6 +34,8 @@ 
 *

 *     TODO: multiple device support and portability were not tested

 *

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

 *

 ***************************************************************************

 */
@@ -42,10 +44,32 @@ 
#include <linux/module.h>

#include <linux/init.h>

#include <linux/pci.h>

#include <linux/videodev.h>

#include <linux/videodev2.h>

#include <media/v4l2-common.h>

#include <linux/errno.h>



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

#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,

	},{

		.id            = V4L2_CID_AUDIO_VOLUME,

		.name          = "Volume",

		.minimum       = 0,

		.maximum       = 65535,

		.step          = 65535,

		.default_value = 0xff,

		.type          = V4L2_CTRL_TYPE_INTEGER,

	}

};



#include <asm/io.h>

#include <asm/uaccess.h>
@@ -183,91 +207,117 @@ static int gemtek_pci_do_ioctl(struct inode *inode, struct file *file, 
	struct gemtek_pci_card *card = dev->priv;



	switch ( cmd ) {

		case VIDIOCGCAP:

		case VIDIOC_QUERYCAP:

		{

			struct video_capability *c = arg;

			struct v4l2_capability *v = arg;

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

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

			strlcpy(v->card, "GemTek PCI Radio", sizeof (v->card));

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

			v->version = RADIO_VERSION;

			v->capabilities = V4L2_CAP_TUNER;



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

			c->type = VID_TYPE_TUNER;

			c->channels = 1;

			c->audios = 1;

			strcpy( c->name, "Gemtek PCI Radio" );

			return 0;

		}



		case VIDIOCGTUNER:

		case VIDIOC_G_TUNER:

		{

			struct video_tuner *t = arg;

			struct v4l2_tuner *v = arg;



			if ( t->tuner )

			if (v->index > 0)

				return -EINVAL;



			t->rangelow = GEMTEK_PCI_RANGE_LOW;

			t->rangehigh = GEMTEK_PCI_RANGE_HIGH;

			t->flags = VIDEO_TUNER_LOW;

			t->mode = VIDEO_MODE_AUTO;

			t->signal = 0xFFFF * gemtek_pci_getsignal( card );

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

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

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

			v->type = V4L2_TUNER_RADIO;



			v->rangelow = GEMTEK_PCI_RANGE_LOW;

			v->rangehigh = GEMTEK_PCI_RANGE_HIGH;

			v->rxsubchans =V4L2_TUNER_SUB_MONO;

			v->capability=V4L2_TUNER_CAP_LOW;

			v->audmode = V4L2_TUNER_MODE_MONO;

			v->signal=0xFFFF*gemtek_pci_getsignal( card );



			return 0;

		}



		case VIDIOCSTUNER:

		case VIDIOC_S_TUNER:

		{

			struct video_tuner *t = arg;

			if ( t->tuner )

			struct v4l2_tuner *v = arg;



			if (v->index > 0)

				return -EINVAL;

			return 0;

		}



		case VIDIOCGFREQ:

		{

			unsigned long *freq = arg;

			*freq = card->current_frequency;

			return 0;

		}

		case VIDIOCSFREQ:

		case VIDIOC_S_FREQUENCY:

		{

			unsigned long *freq = arg;

			struct v4l2_frequency *f = arg;



			if ( (*freq < GEMTEK_PCI_RANGE_LOW) ||

			     (*freq > GEMTEK_PCI_RANGE_HIGH) )

			if ( (f->frequency < GEMTEK_PCI_RANGE_LOW) ||

			     (f->frequency > GEMTEK_PCI_RANGE_HIGH) )

				return -EINVAL;



			gemtek_pci_setfrequency( card, *freq );

			card->current_frequency = *freq;

			card->mute = FALSE;



			gemtek_pci_setfrequency( card, f->frequency );

			card->current_frequency = f->frequency;

			card->mute = FALSE;

			return 0;

		}



		case VIDIOCGAUDIO:

		case VIDIOC_QUERYCTRL:

		{

			struct video_audio *a = arg;



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

			a->flags |= VIDEO_AUDIO_MUTABLE;

			a->volume = 1;

			a->step = 65535;

			strcpy( a->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 *a = arg;



			if ( a->audio )

			struct v4l2_control *ctrl= arg;



			switch (ctrl->id) {

				case V4L2_CID_AUDIO_MUTE:

					ctrl->value=card->mute;

					return (0);

				case V4L2_CID_AUDIO_VOLUME:

					if (card->mute)

						ctrl->value=0;

					else

						ctrl->value=65535;

					return (0);

			}

			return -EINVAL;

		}

		case VIDIOC_S_CTRL:

		{

			struct v4l2_control *ctrl= arg;



			if ( a->flags & VIDEO_AUDIO_MUTE )

			switch (ctrl->id) {

				case V4L2_CID_AUDIO_MUTE:

					if (ctrl->value) {

						gemtek_pci_mute(card);

			else

					} else {

						gemtek_pci_unmute(card);

			return 0;

					}



					return (0);

				case V4L2_CID_AUDIO_VOLUME:

					if (ctrl->value) {

						gemtek_pci_unmute(card);

					} else {

						gemtek_pci_mute(card);

					}

					return (0);

			}

			return -EINVAL;

		}

		default:

			return -ENOIOCTLCMD;

			return v4l_compat_translate_ioctl(inode,file,cmd,arg,

							  gemtek_do_ioctl);

	}

}
@@ -309,7 +359,7 @@ static struct video_device vdev_template = { 
	.owner         = THIS_MODULE,

	.name          = "Gemtek PCI Radio",

	.type          = VID_TYPE_TUNER,

	.hardware      = VID_HARDWARE_GEMTEK,

	.hardware      = 0,

	.fops          = &gemtek_pci_fops,

};