aboutsummaryrefslogtreecommitdiff
path: root/drivers/media/radio/radio-gemtek-pci.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/radio/radio-gemtek-pci.c')
-rw-r--r--drivers/media/radio/radio-gemtek-pci.c491
1 files changed, 0 insertions, 491 deletions
diff --git a/drivers/media/radio/radio-gemtek-pci.c b/drivers/media/radio/radio-gemtek-pci.c
deleted file mode 100644
index 99a32313133..00000000000
--- a/drivers/media/radio/radio-gemtek-pci.c
+++ /dev/null
@@ -1,491 +0,0 @@
-/*
- ***************************************************************************
- *
- * radio-gemtek-pci.c - Gemtek PCI Radio driver
- * (C) 2001 Vladimir Shebordaev <vshebordaev@mail.ru>
- *
- ***************************************************************************
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public
- * License along with this program; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139,
- * USA.
- *
- ***************************************************************************
- *
- * Gemtek Corp still silently refuses to release any specifications
- * of their multimedia devices, so the protocol still has to be
- * reverse engineered.
- *
- * The v4l code was inspired by Jonas Munsin's Gemtek serial line
- * radio device driver.
- *
- * Please, let me know if this piece of code was useful :)
- *
- * TODO: multiple device support and portability were not tested
- *
- * Converted to V4L2 API by Mauro Carvalho Chehab <mchehab@infradead.org>
- *
- ***************************************************************************
- */
-
-#include <linux/types.h>
-#include <linux/list.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/pci.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>
-
-#ifndef PCI_VENDOR_ID_GEMTEK
-#define PCI_VENDOR_ID_GEMTEK 0x5046
-#endif
-
-#ifndef PCI_DEVICE_ID_GEMTEK_PR103
-#define PCI_DEVICE_ID_GEMTEK_PR103 0x1001
-#endif
-
-#ifndef GEMTEK_PCI_RANGE_LOW
-#define GEMTEK_PCI_RANGE_LOW (87*16000)
-#endif
-
-#ifndef GEMTEK_PCI_RANGE_HIGH
-#define GEMTEK_PCI_RANGE_HIGH (108*16000)
-#endif
-
-struct gemtek_pci_card {
- struct video_device *videodev;
-
- u32 iobase;
- u32 length;
-
- u32 current_frequency;
- u8 mute;
-};
-
-static const char rcsid[] = "$Id: radio-gemtek-pci.c,v 1.1 2001/07/23 08:08:16 ted Exp ted $";
-
-static int nr_radio = -1;
-
-static inline u8 gemtek_pci_out( u16 value, u32 port )
-{
- outw( value, port );
-
- return (u8)value;
-}
-
-#define _b0( v ) *((u8 *)&v)
-static void __gemtek_pci_cmd( u16 value, u32 port, u8 *last_byte, int keep )
-{
- register u8 byte = *last_byte;
-
- if ( !value ) {
- if ( !keep )
- value = (u16)port;
- byte &= 0xfd;
- } else
- byte |= 2;
-
- _b0( value ) = byte;
- outw( value, port );
- byte |= 1;
- _b0( value ) = byte;
- outw( value, port );
- byte &= 0xfe;
- _b0( value ) = byte;
- outw( value, port );
-
- *last_byte = byte;
-}
-
-static inline void gemtek_pci_nil( u32 port, u8 *last_byte )
-{
- __gemtek_pci_cmd( 0x00, port, last_byte, false );
-}
-
-static inline void gemtek_pci_cmd( u16 cmd, u32 port, u8 *last_byte )
-{
- __gemtek_pci_cmd( cmd, port, last_byte, true );
-}
-
-static void gemtek_pci_setfrequency( struct gemtek_pci_card *card, unsigned long frequency )
-{
- register int i;
- register u32 value = frequency / 200 + 856;
- register u16 mask = 0x8000;
- u8 last_byte;
- u32 port = card->iobase;
-
- last_byte = gemtek_pci_out( 0x06, port );
-
- i = 0;
- do {
- gemtek_pci_nil( port, &last_byte );
- i++;
- } while ( i < 9 );
-
- i = 0;
- do {
- gemtek_pci_cmd( value & mask, port, &last_byte );
- mask >>= 1;
- i++;
- } while ( i < 16 );
-
- outw( 0x10, port );
-}
-
-
-static inline void gemtek_pci_mute( struct gemtek_pci_card *card )
-{
- outb( 0x1f, card->iobase );
- card->mute = true;
-}
-
-static inline void gemtek_pci_unmute( struct gemtek_pci_card *card )
-{
- if ( card->mute ) {
- gemtek_pci_setfrequency( card, card->current_frequency );
- card->mute = false;
- }
-}
-
-static inline unsigned int gemtek_pci_getsignal( struct gemtek_pci_card *card )
-{
- return ( inb( card->iobase ) & 0x08 ) ? 0 : 1;
-}
-
-static int vidioc_querycap(struct file *file, void *priv,
- struct v4l2_capability *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;
- return 0;
-}
-
-static int vidioc_g_tuner(struct file *file, void *priv,
- struct v4l2_tuner *v)
-{
- struct video_device *dev = video_devdata(file);
- struct gemtek_pci_card *card = dev->priv;
-
- if (v->index > 0)
- return -EINVAL;
-
- 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;
-}
-
-static int vidioc_s_tuner(struct file *file, void *priv,
- struct v4l2_tuner *v)
-{
- if (v->index > 0)
- return -EINVAL;
- return 0;
-}
-
-static int vidioc_s_frequency(struct file *file, void *priv,
- struct v4l2_frequency *f)
-{
- struct video_device *dev = video_devdata(file);
- struct gemtek_pci_card *card = dev->priv;
-
- if ( (f->frequency < GEMTEK_PCI_RANGE_LOW) ||
- (f->frequency > GEMTEK_PCI_RANGE_HIGH) )
- return -EINVAL;
- gemtek_pci_setfrequency(card, f->frequency);
- card->current_frequency = f->frequency;
- card->mute = false;
- return 0;
-}
-
-static int vidioc_g_frequency(struct file *file, void *priv,
- struct v4l2_frequency *f)
-{
- struct video_device *dev = video_devdata(file);
- struct gemtek_pci_card *card = dev->priv;
-
- f->type = V4L2_TUNER_RADIO;
- f->frequency = card->current_frequency;
- return 0;
-}
-
-static int vidioc_queryctrl(struct file *file, void *priv,
- struct v4l2_queryctrl *qc)
-{
- 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;
-}
-
-static int vidioc_g_ctrl(struct file *file, void *priv,
- struct v4l2_control *ctrl)
-{
- struct video_device *dev = video_devdata(file);
- struct gemtek_pci_card *card = dev->priv;
-
- 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;
-}
-
-static int vidioc_s_ctrl(struct file *file, void *priv,
- struct v4l2_control *ctrl)
-{
- struct video_device *dev = video_devdata(file);
- struct gemtek_pci_card *card = dev->priv;
-
- switch (ctrl->id) {
- case V4L2_CID_AUDIO_MUTE:
- if (ctrl->value)
- gemtek_pci_mute(card);
- else
- gemtek_pci_unmute(card);
- return 0;
- case V4L2_CID_AUDIO_VOLUME:
- if (ctrl->value)
- gemtek_pci_unmute(card);
- else
- gemtek_pci_mute(card);
- return 0;
- }
- return -EINVAL;
-}
-
-static int vidioc_g_audio(struct file *file, void *priv,
- struct v4l2_audio *a)
-{
- if (a->index > 1)
- return -EINVAL;
-
- strcpy(a->name, "Radio");
- a->capability = V4L2_AUDCAP_STEREO;
- return 0;
-}
-
-static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
-{
- *i = 0;
- return 0;
-}
-
-static int vidioc_s_input(struct file *filp, void *priv, unsigned int i)
-{
- if (i != 0)
- return -EINVAL;
- return 0;
-}
-
-static int vidioc_s_audio(struct file *file, void *priv,
- struct v4l2_audio *a)
-{
- if (a->index != 0)
- return -EINVAL;
- return 0;
-}
-
-enum {
- GEMTEK_PR103
-};
-
-static char *card_names[] __devinitdata = {
- "GEMTEK_PR103"
-};
-
-static struct pci_device_id gemtek_pci_id[] =
-{
- { PCI_VENDOR_ID_GEMTEK, PCI_DEVICE_ID_GEMTEK_PR103,
- PCI_ANY_ID, PCI_ANY_ID, 0, 0, GEMTEK_PR103 },
- { 0 }
-};
-
-MODULE_DEVICE_TABLE( pci, gemtek_pci_id );
-
-static int mx = 1;
-
-static const struct file_operations gemtek_pci_fops = {
- .owner = THIS_MODULE,
- .open = video_exclusive_open,
- .release = video_exclusive_release,
- .ioctl = video_ioctl2,
- .compat_ioctl = v4l_compat_ioctl32,
- .llseek = no_llseek,
-};
-
-static struct video_device vdev_template = {
- .owner = THIS_MODULE,
- .name = "Gemtek PCI Radio",
- .type = VID_TYPE_TUNER,
- .fops = &gemtek_pci_fops,
- .vidioc_querycap = vidioc_querycap,
- .vidioc_g_tuner = vidioc_g_tuner,
- .vidioc_s_tuner = vidioc_s_tuner,
- .vidioc_g_audio = vidioc_g_audio,
- .vidioc_s_audio = vidioc_s_audio,
- .vidioc_g_input = vidioc_g_input,
- .vidioc_s_input = vidioc_s_input,
- .vidioc_g_frequency = vidioc_g_frequency,
- .vidioc_s_frequency = vidioc_s_frequency,
- .vidioc_queryctrl = vidioc_queryctrl,
- .vidioc_g_ctrl = vidioc_g_ctrl,
- .vidioc_s_ctrl = vidioc_s_ctrl,
-};
-
-static int __devinit gemtek_pci_probe( struct pci_dev *pci_dev, const struct pci_device_id *pci_id )
-{
- struct gemtek_pci_card *card;
- struct video_device *devradio;
-
- if ( (card = kzalloc( sizeof( struct gemtek_pci_card ), GFP_KERNEL )) == NULL ) {
- printk( KERN_ERR "gemtek_pci: out of memory\n" );
- return -ENOMEM;
- }
-
- if ( pci_enable_device( pci_dev ) )
- goto err_pci;
-
- card->iobase = pci_resource_start( pci_dev, 0 );
- card->length = pci_resource_len( pci_dev, 0 );
-
- if ( request_region( card->iobase, card->length, card_names[pci_id->driver_data] ) == NULL ) {
- printk( KERN_ERR "gemtek_pci: i/o port already in use\n" );
- goto err_pci;
- }
-
- pci_set_drvdata( pci_dev, card );
-
- if ( (devradio = kmalloc( sizeof( struct video_device ), GFP_KERNEL )) == NULL ) {
- printk( KERN_ERR "gemtek_pci: out of memory\n" );
- goto err_video;
- }
- *devradio = vdev_template;
-
- if ( video_register_device( devradio, VFL_TYPE_RADIO , nr_radio) == -1 ) {
- kfree( devradio );
- goto err_video;
- }
-
- card->videodev = devradio;
- devradio->priv = card;
- gemtek_pci_mute( card );
-
- printk( KERN_INFO "Gemtek PCI Radio (rev. %d) found at 0x%04x-0x%04x.\n",
- pci_dev->revision, card->iobase, card->iobase + card->length - 1 );
-
- return 0;
-
-err_video:
- release_region( card->iobase, card->length );
-
-err_pci:
- kfree( card );
- return -ENODEV;
-}
-
-static void __devexit gemtek_pci_remove( struct pci_dev *pci_dev )
-{
- struct gemtek_pci_card *card = pci_get_drvdata( pci_dev );
-
- video_unregister_device( card->videodev );
- kfree( card->videodev );
-
- release_region( card->iobase, card->length );
-
- if ( mx )
- gemtek_pci_mute( card );
-
- kfree( card );
-
- pci_set_drvdata( pci_dev, NULL );
-}
-
-static struct pci_driver gemtek_pci_driver =
-{
- .name = "gemtek_pci",
- .id_table = gemtek_pci_id,
- .probe = gemtek_pci_probe,
- .remove = __devexit_p(gemtek_pci_remove),
-};
-
-static int __init gemtek_pci_init_module( void )
-{
- return pci_register_driver( &gemtek_pci_driver );
-}
-
-static void __exit gemtek_pci_cleanup_module( void )
-{
- pci_unregister_driver(&gemtek_pci_driver);
-}
-
-MODULE_AUTHOR( "Vladimir Shebordaev <vshebordaev@mail.ru>" );
-MODULE_DESCRIPTION( "The video4linux driver for the Gemtek PCI Radio Card" );
-MODULE_LICENSE("GPL");
-
-module_param(mx, bool, 0);
-MODULE_PARM_DESC( mx, "single digit: 1 - turn off the turner upon module exit (default), 0 - do not" );
-module_param(nr_radio, int, 0);
-MODULE_PARM_DESC( nr_radio, "video4linux device number to use");
-
-module_init( gemtek_pci_init_module );
-module_exit( gemtek_pci_cleanup_module );
-