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Commit 6a2cf8ee authored by Jiri Slaby's avatar Jiri Slaby Committed by Linus Torvalds
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[PATCH] media-radio: Maestro radio Lindent 



Maestro radio Lindent + some handwork

Signed-off-by: default avatarJiri Slaby <jirislaby@gmail.com>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 89dad8f0

drivers/media/radio/radio-maestro.c

+105 −103
Original line number Diff line number Diff line
@@ -92,8 +92,7 @@ static struct file_operations maestro_fops = { 
	.llseek         = no_llseek,

};



static struct video_device maestro_radio=

{

static struct video_device maestro_radio = {

	.owner		= THIS_MODULE,

	.name		= "Maestro radio",

	.type		= VID_TYPE_TUNER,
@@ -101,8 +100,7 @@ static struct video_device maestro_radio= 
	.fops		= &maestro_fops,

};



struct radio_device

{

struct radio_device {

	__u16	io,	/* base of Maestro card radio io (GPIO_DATA)*/

		muted,	/* VIDEO_AUDIO_MUTE */

		stereo,	/* VIDEO_TUNER_STEREO_ON */
@@ -115,6 +113,7 @@ static __u32 radio_bits_get(struct radio_device *dev) 
	register __u16 io=dev->io, l, rdata;

	register __u32 data=0;

	__u16 omask;



	omask = inw(io + IO_MASK);

	outw(~(STR_CLK | STR_WREN), io + IO_MASK);

	outw(0, io);
@@ -137,10 +136,13 @@ static __u32 radio_bits_get(struct radio_device *dev) 
				data++;

		udelay(2);

	}



	if(dev->muted)

		outw(STR_WREN, io);



	udelay(4);

	outw(omask, io + IO_MASK);



	return data & 0x3ffe;

}
@@ -148,6 +150,7 @@ static void radio_bits_set(struct radio_device *dev, __u32 data) 
{

	register __u16 io=dev->io, l, bits;

	__u16 omask, odir;



	omask = inw(io + IO_MASK);

	odir  = (inw(io + IO_DIR) & ~STR_DATA) | (STR_CLK | STR_WREN);

	outw(odir | STR_DATA, io + IO_DIR);
@@ -163,8 +166,10 @@ static void radio_bits_set(struct radio_device *dev, __u32 data) 
		outw(bits, io);			/* LO level */

		udelay(4);

	}



	if(!dev->muted)

		outw(0, io);



	udelay(4);

	outw(omask, io + IO_MASK);

	outw(odir, io + IO_DIR);
@@ -185,8 +190,7 @@ static inline int radio_function(struct inode *inode, struct file *file, 
		v->type = VID_TYPE_TUNER;

		v->channels = v->audios = 1;

		return 0;

		}

		case VIDIOCGTUNER: {

	} case VIDIOCGTUNER: {

		struct video_tuner *v = arg;

		if (v->tuner)

			return -EINVAL;
@@ -198,34 +202,29 @@ static inline int radio_function(struct inode *inode, struct file *file, 
		v->rangehigh = FREQ_HI;

		v->mode = VIDEO_MODE_AUTO;

		return 0;

		}

		case VIDIOCSTUNER: {

	} case VIDIOCSTUNER: {

		struct video_tuner *v = arg;

		if (v->tuner != 0)

			return -EINVAL;

		return 0;

		}

		case VIDIOCGFREQ: {

	} case VIDIOCGFREQ: {

		unsigned long *freq = arg;

		*freq = BITS2FREQ(radio_bits_get(card));

		return 0;

		}

		case VIDIOCSFREQ: {

	} case VIDIOCSFREQ: {

		unsigned long *freq = arg;

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

			return -EINVAL;

		radio_bits_set(card, FREQ2BITS(*freq));

		return 0;

		}

		case VIDIOCGAUDIO: {	

	} 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: {

	} case VIDIOCSAUDIO: {

		struct video_audio *v = arg;

		if (v->audio)

			return -EINVAL;
@@ -233,15 +232,14 @@ static inline int radio_function(struct inode *inode, struct file *file, 
			register __u16 io = card->io;

			register __u16 omask = inw(io + IO_MASK);

			outw(~STR_WREN, io + IO_MASK);

				outw((card->muted = v->flags & VIDEO_AUDIO_MUTE)

				     ? STR_WREN : 0, io);

			outw((card->muted = v->flags & VIDEO_AUDIO_MUTE) ?

				STR_WREN : 0, io);

			udelay(4);

			outw(omask, io + IO_MASK);

			msleep(125);

			return 0;

		}

		}

		case VIDIOCGUNIT: {

	} case VIDIOCGUNIT: {

		struct video_unit *v = arg;

		v->video = VIDEO_NO_UNIT;

		v->vbi = VIDEO_NO_UNIT;
@@ -249,8 +247,8 @@ static inline int radio_function(struct inode *inode, struct file *file, 
		v->audio = 0;

		v->teletext = VIDEO_NO_UNIT;

		return 0;

		}

		default: return -ENOIOCTLCMD;

	} default:

		return -ENOIOCTLCMD;

	}

}
@@ -264,6 +262,7 @@ static int radio_ioctl(struct inode *inode, struct file *file, 
	down(&card->lock);

	ret = video_usercopy(inode, file, cmd, arg, radio_function);

	up(&card->lock);



	return ret;

}
@@ -272,6 +271,7 @@ static __u16 __devinit radio_power_on(struct radio_device *dev) 
	register __u16 io = dev->io;

	register __u32 ofreq;

	__u16 omask, odir;



	omask = inw(io + IO_MASK);

	odir = (inw(io + IO_DIR) & ~STR_DATA) | (STR_CLK | STR_WREN);

	outw(odir & ~STR_WREN, io + IO_DIR);
@@ -282,9 +282,11 @@ static __u16 __devinit radio_power_on(struct radio_device *dev) 
	udelay(16);

	outw(omask, io + IO_MASK);

	ofreq = radio_bits_get(dev);



	if ((ofreq < FREQ2BITS(FREQ_LO)) || (ofreq > FREQ2BITS(FREQ_HI)))

		ofreq = FREQ2BITS(FREQ_LO);

	radio_bits_set(dev, ofreq);



	return (ofreq == radio_bits_get(dev));

}
@@ -357,10 +359,6 @@ static void __devexit maestro_remove(struct pci_dev *pdev) 
	video_unregister_device(vdev);

}



MODULE_AUTHOR("Adam Tlalka, atlka@pg.gda.pl");

MODULE_DESCRIPTION("Radio driver for the Maestro PCI sound card radio.");

MODULE_LICENSE("GPL");



static int __init maestro_radio_init(void)

{

	int retval = pci_register_driver(&maestro_r_driver);
@@ -378,3 +376,7 @@ static void __exit maestro_radio_exit(void) 


module_init(maestro_radio_init);

module_exit(maestro_radio_exit);



MODULE_AUTHOR("Adam Tlalka, atlka@pg.gda.pl");

MODULE_DESCRIPTION("Radio driver for the Maestro PCI sound card radio.");

MODULE_LICENSE("GPL");