Commit e84fef6b authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab
Browse files

V4L/DVB (4364): V4L2 conversion: radio-maxiradio 



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 982eddb9

drivers/media/radio/Kconfig

+1 −1
Original line number Diff line number Diff line
@@ -145,7 +145,7 @@ config RADIO_GEMTEK_PCI 


config RADIO_MAXIRADIO

	tristate "Guillemot MAXI Radio FM 2000 radio"

	depends on VIDEO_V4L1 && PCI

	depends on VIDEO_V4L2 && PCI

	---help---

	  Choose Y here if you have this radio card.  This card may also be

	  found as Gemtek PCI FM.

drivers/media/radio/radio-maxiradio.c

+103 −63
Original line number Diff line number Diff line
@@ -20,13 +20,14 @@ 
 *   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:

 *   - card unmutes if you change frequency

 *

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

 */
@@ -40,11 +41,24 @@ 
#include <linux/mutex.h>



#include <linux/pci.h>

#include <linux/videodev.h>

#include <linux/videodev2.h>

#include <media/v4l2-common.h>



/* version 0.75      Sun Feb  4 22:51:27 EET 2001 */

#define DRIVER_VERSION	"0.75"

#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
@@ -90,7 +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,

};
@@ -176,89 +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;

		case VIDIOC_G_TUNER:

		{

			struct v4l2_tuner *v = arg;



			if(v->tuner)

			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->type = V4L2_TUNER_RADIO;



			v->rangelow=FREQ_LO;

			v->rangehigh=FREQ_HI;

			v->mode = VIDEO_MODE_AUTO;

			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;

		case VIDIOC_S_FREQUENCY:

		{

			struct v4l2_frequency *f = arg;



			if (*freq < FREQ_LO || *freq > FREQ_HI)

			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;

		case VIDIOC_G_FREQUENCY:

		{

			struct v4l2_frequency *f = arg;



			f->type = V4L2_TUNER_RADIO;

			f->frequency = card->freq;



			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;



		case VIDIOCSAUDIO: {

			struct video_audio *v = arg;



			if(v->audio)

			switch (ctrl->id) {

				case V4L2_CID_AUDIO_MUTE:

					ctrl->value=card->muted;

					return (0);

			}

			return -EINVAL;

			card->muted = v->flags & VIDEO_AUDIO_MUTE;

		}

		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;

			}

		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;

			return -EINVAL;

		}

		default: return -ENOIOCTLCMD;



		default:

			return v4l_compat_translate_ioctl(inode,file,cmd,arg,

							  radio_function);



	}

}