V4L/DVB (10883): radio-gemtek-pci: convert to v4l2_device.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil
Mauro Carvalho Chehab
parent
bec2aec565
commit
79f94878bb
@ -45,34 +45,26 @@
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#include <linux/init.h>
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#include <linux/pci.h>
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#include <linux/videodev2.h>
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#include <media/v4l2-common.h>
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#include <media/v4l2-ioctl.h>
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#include <linux/errno.h>
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#include <linux/version.h> /* for KERNEL_VERSION MACRO */
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#define RADIO_VERSION KERNEL_VERSION(0,0,2)
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#include <linux/io.h>
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#include <linux/uaccess.h>
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#include <media/v4l2-device.h>
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#include <media/v4l2-ioctl.h>
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static struct v4l2_queryctrl radio_qctrl[] = {
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{
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.id = V4L2_CID_AUDIO_MUTE,
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.name = "Mute",
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.minimum = 0,
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.maximum = 1,
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.default_value = 1,
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.type = V4L2_CTRL_TYPE_BOOLEAN,
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},{
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.id = V4L2_CID_AUDIO_VOLUME,
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.name = "Volume",
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.minimum = 0,
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.maximum = 65535,
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.step = 65535,
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.default_value = 0xff,
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.type = V4L2_CTRL_TYPE_INTEGER,
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}
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};
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MODULE_AUTHOR("Vladimir Shebordaev <vshebordaev@mail.ru>");
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MODULE_DESCRIPTION("The video4linux driver for the Gemtek PCI Radio Card");
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MODULE_LICENSE("GPL");
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#include <asm/io.h>
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#include <asm/uaccess.h>
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static int nr_radio = -1;
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static int mx = 1;
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module_param(mx, bool, 0);
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MODULE_PARM_DESC(mx, "single digit: 1 - turn off the turner upon module exit (default), 0 - do not");
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module_param(nr_radio, int, 0);
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MODULE_PARM_DESC(nr_radio, "video4linux device number to use");
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#define RADIO_VERSION KERNEL_VERSION(0, 0, 2)
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#ifndef PCI_VENDOR_ID_GEMTEK
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#define PCI_VENDOR_ID_GEMTEK 0x5046
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@ -90,8 +82,11 @@ static struct v4l2_queryctrl radio_qctrl[] = {
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#define GEMTEK_PCI_RANGE_HIGH (108*16000)
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#endif
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struct gemtek_pci_card {
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struct video_device *videodev;
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struct gemtek_pci {
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struct v4l2_device v4l2_dev;
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struct video_device vdev;
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struct mutex lock;
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struct pci_dev *pdev;
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u32 iobase;
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u32 length;
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@ -100,116 +95,133 @@ struct gemtek_pci_card {
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u8 mute;
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};
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static int nr_radio = -1;
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static unsigned long in_use;
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static inline u8 gemtek_pci_out( u16 value, u32 port )
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static inline struct gemtek_pci *to_gemtek_pci(struct v4l2_device *v4l2_dev)
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{
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outw( value, port );
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return container_of(v4l2_dev, struct gemtek_pci, v4l2_dev);
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}
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static inline u8 gemtek_pci_out(u16 value, u32 port)
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{
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outw(value, port);
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return (u8)value;
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}
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#define _b0( v ) *((u8 *)&v)
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static void __gemtek_pci_cmd( u16 value, u32 port, u8 *last_byte, int keep )
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{
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register u8 byte = *last_byte;
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#define _b0(v) (*((u8 *)&v))
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if ( !value ) {
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if ( !keep )
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static void __gemtek_pci_cmd(u16 value, u32 port, u8 *last_byte, int keep)
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{
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u8 byte = *last_byte;
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if (!value) {
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if (!keep)
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value = (u16)port;
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byte &= 0xfd;
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} else
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byte |= 2;
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_b0( value ) = byte;
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outw( value, port );
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_b0(value) = byte;
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outw(value, port);
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byte |= 1;
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_b0( value ) = byte;
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outw( value, port );
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_b0(value) = byte;
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outw(value, port);
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byte &= 0xfe;
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_b0( value ) = byte;
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outw( value, port );
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_b0(value) = byte;
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outw(value, port);
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*last_byte = byte;
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}
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static inline void gemtek_pci_nil( u32 port, u8 *last_byte )
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static inline void gemtek_pci_nil(u32 port, u8 *last_byte)
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{
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__gemtek_pci_cmd( 0x00, port, last_byte, false );
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__gemtek_pci_cmd(0x00, port, last_byte, false);
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}
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static inline void gemtek_pci_cmd( u16 cmd, u32 port, u8 *last_byte )
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static inline void gemtek_pci_cmd(u16 cmd, u32 port, u8 *last_byte)
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{
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__gemtek_pci_cmd( cmd, port, last_byte, true );
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__gemtek_pci_cmd(cmd, port, last_byte, true);
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}
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static void gemtek_pci_setfrequency( struct gemtek_pci_card *card, unsigned long frequency )
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static void gemtek_pci_setfrequency(struct gemtek_pci *card, unsigned long frequency)
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{
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register int i;
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register u32 value = frequency / 200 + 856;
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register u16 mask = 0x8000;
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int i;
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u32 value = frequency / 200 + 856;
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u16 mask = 0x8000;
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u8 last_byte;
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u32 port = card->iobase;
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last_byte = gemtek_pci_out( 0x06, port );
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mutex_lock(&card->lock);
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card->current_frequency = frequency;
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last_byte = gemtek_pci_out(0x06, port);
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i = 0;
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do {
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gemtek_pci_nil( port, &last_byte );
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gemtek_pci_nil(port, &last_byte);
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i++;
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} while ( i < 9 );
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} while (i < 9);
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i = 0;
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do {
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gemtek_pci_cmd( value & mask, port, &last_byte );
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gemtek_pci_cmd(value & mask, port, &last_byte);
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mask >>= 1;
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i++;
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} while ( i < 16 );
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} while (i < 16);
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outw( 0x10, port );
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outw(0x10, port);
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mutex_unlock(&card->lock);
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}
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static inline void gemtek_pci_mute( struct gemtek_pci_card *card )
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static void gemtek_pci_mute(struct gemtek_pci *card)
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{
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outb( 0x1f, card->iobase );
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mutex_lock(&card->lock);
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outb(0x1f, card->iobase);
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card->mute = true;
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mutex_unlock(&card->lock);
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}
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static inline void gemtek_pci_unmute( struct gemtek_pci_card *card )
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static void gemtek_pci_unmute(struct gemtek_pci *card)
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{
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if ( card->mute ) {
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gemtek_pci_setfrequency( card, card->current_frequency );
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mutex_lock(&card->lock);
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if (card->mute) {
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gemtek_pci_setfrequency(card, card->current_frequency);
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card->mute = false;
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}
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mutex_unlock(&card->lock);
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}
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static inline unsigned int gemtek_pci_getsignal( struct gemtek_pci_card *card )
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static int gemtek_pci_getsignal(struct gemtek_pci *card)
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{
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return ( inb( card->iobase ) & 0x08 ) ? 0 : 1;
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int sig;
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mutex_lock(&card->lock);
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sig = (inb(card->iobase) & 0x08) ? 0 : 1;
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mutex_unlock(&card->lock);
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return sig;
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}
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static int vidioc_querycap(struct file *file, void *priv,
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struct v4l2_capability *v)
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{
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struct gemtek_pci *card = video_drvdata(file);
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strlcpy(v->driver, "radio-gemtek-pci", sizeof(v->driver));
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strlcpy(v->card, "GemTek PCI Radio", sizeof(v->card));
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sprintf(v->bus_info, "ISA");
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snprintf(v->bus_info, sizeof(v->bus_info), "PCI:%s", pci_name(card->pdev));
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v->version = RADIO_VERSION;
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v->capabilities = V4L2_CAP_TUNER;
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v->capabilities = V4L2_CAP_TUNER | V4L2_CAP_RADIO;
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return 0;
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}
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static int vidioc_g_tuner(struct file *file, void *priv,
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struct v4l2_tuner *v)
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{
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struct gemtek_pci_card *card = video_drvdata(file);
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struct gemtek_pci *card = video_drvdata(file);
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if (v->index > 0)
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return -EINVAL;
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strcpy(v->name, "FM");
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strlcpy(v->name, "FM", sizeof(v->name));
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v->type = V4L2_TUNER_RADIO;
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v->rangelow = GEMTEK_PCI_RANGE_LOW;
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v->rangehigh = GEMTEK_PCI_RANGE_HIGH;
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@ -223,21 +235,18 @@ static int vidioc_g_tuner(struct file *file, void *priv,
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static int vidioc_s_tuner(struct file *file, void *priv,
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struct v4l2_tuner *v)
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{
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if (v->index > 0)
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return -EINVAL;
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return 0;
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return v->index ? -EINVAL : 0;
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}
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static int vidioc_s_frequency(struct file *file, void *priv,
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struct v4l2_frequency *f)
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{
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struct gemtek_pci_card *card = video_drvdata(file);
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struct gemtek_pci *card = video_drvdata(file);
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if ( (f->frequency < GEMTEK_PCI_RANGE_LOW) ||
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(f->frequency > GEMTEK_PCI_RANGE_HIGH) )
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if (f->frequency < GEMTEK_PCI_RANGE_LOW ||
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f->frequency > GEMTEK_PCI_RANGE_HIGH)
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return -EINVAL;
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gemtek_pci_setfrequency(card, f->frequency);
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card->current_frequency = f->frequency;
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card->mute = false;
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return 0;
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}
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@ -245,7 +254,7 @@ static int vidioc_s_frequency(struct file *file, void *priv,
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static int vidioc_g_frequency(struct file *file, void *priv,
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struct v4l2_frequency *f)
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{
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struct gemtek_pci_card *card = video_drvdata(file);
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struct gemtek_pci *card = video_drvdata(file);
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f->type = V4L2_TUNER_RADIO;
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f->frequency = card->current_frequency;
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@ -255,13 +264,11 @@ static int vidioc_g_frequency(struct file *file, void *priv,
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static int vidioc_queryctrl(struct file *file, void *priv,
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struct v4l2_queryctrl *qc)
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{
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int i;
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for (i = 0; i < ARRAY_SIZE(radio_qctrl); i++) {
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if (qc->id && qc->id == radio_qctrl[i].id) {
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memcpy(qc, &(radio_qctrl[i]),
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sizeof(*qc));
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return 0;
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}
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switch (qc->id) {
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case V4L2_CID_AUDIO_MUTE:
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return v4l2_ctrl_query_fill(qc, 0, 1, 1, 1);
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case V4L2_CID_AUDIO_VOLUME:
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return v4l2_ctrl_query_fill(qc, 0, 65535, 65535, 65535);
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}
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return -EINVAL;
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}
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@ -269,7 +276,7 @@ static int vidioc_queryctrl(struct file *file, void *priv,
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static int vidioc_g_ctrl(struct file *file, void *priv,
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struct v4l2_control *ctrl)
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{
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struct gemtek_pci_card *card = video_drvdata(file);
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struct gemtek_pci *card = video_drvdata(file);
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switch (ctrl->id) {
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case V4L2_CID_AUDIO_MUTE:
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@ -288,7 +295,7 @@ static int vidioc_g_ctrl(struct file *file, void *priv,
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static int vidioc_s_ctrl(struct file *file, void *priv,
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struct v4l2_control *ctrl)
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{
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struct gemtek_pci_card *card = video_drvdata(file);
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struct gemtek_pci *card = video_drvdata(file);
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switch (ctrl->id) {
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case V4L2_CID_AUDIO_MUTE:
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@ -307,17 +314,6 @@ static int vidioc_s_ctrl(struct file *file, void *priv,
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return -EINVAL;
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}
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static int vidioc_g_audio(struct file *file, void *priv,
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struct v4l2_audio *a)
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{
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if (a->index > 1)
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return -EINVAL;
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strcpy(a->name, "Radio");
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a->capability = V4L2_AUDCAP_STEREO;
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return 0;
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}
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static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
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{
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*i = 0;
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@ -326,17 +322,22 @@ static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
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static int vidioc_s_input(struct file *filp, void *priv, unsigned int i)
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{
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if (i != 0)
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return -EINVAL;
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return i ? -EINVAL : 0;
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}
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static int vidioc_g_audio(struct file *file, void *priv,
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struct v4l2_audio *a)
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{
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a->index = 0;
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strlcpy(a->name, "Radio", sizeof(a->name));
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a->capability = V4L2_AUDCAP_STEREO;
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return 0;
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}
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static int vidioc_s_audio(struct file *file, void *priv,
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struct v4l2_audio *a)
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{
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if (a->index != 0)
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return -EINVAL;
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return 0;
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return a->index ? -EINVAL : 0;
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}
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enum {
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@ -354,25 +355,22 @@ static struct pci_device_id gemtek_pci_id[] =
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{ 0 }
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};
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MODULE_DEVICE_TABLE( pci, gemtek_pci_id );
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MODULE_DEVICE_TABLE(pci, gemtek_pci_id);
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static int mx = 1;
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static int gemtek_pci_exclusive_open(struct file *file)
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static int gemtek_pci_open(struct file *file)
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{
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return test_and_set_bit(0, &in_use) ? -EBUSY : 0;
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return 0;
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}
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static int gemtek_pci_exclusive_release(struct file *file)
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static int gemtek_pci_release(struct file *file)
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{
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clear_bit(0, &in_use);
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return 0;
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}
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static const struct v4l2_file_operations gemtek_pci_fops = {
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.owner = THIS_MODULE,
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.open = gemtek_pci_exclusive_open,
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.release = gemtek_pci_exclusive_release,
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.open = gemtek_pci_open,
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.release = gemtek_pci_release,
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.ioctl = video_ioctl2,
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};
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@ -391,108 +389,100 @@ static const struct v4l2_ioctl_ops gemtek_pci_ioctl_ops = {
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.vidioc_s_ctrl = vidioc_s_ctrl,
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};
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static struct video_device vdev_template = {
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.name = "Gemtek PCI Radio",
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.fops = &gemtek_pci_fops,
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.ioctl_ops = &gemtek_pci_ioctl_ops,
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.release = video_device_release_empty,
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};
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static int __devinit gemtek_pci_probe( struct pci_dev *pci_dev, const struct pci_device_id *pci_id )
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static int __devinit gemtek_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pci_id)
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{
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struct gemtek_pci_card *card;
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struct video_device *devradio;
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struct gemtek_pci *card;
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struct v4l2_device *v4l2_dev;
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int res;
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if ( (card = kzalloc( sizeof( struct gemtek_pci_card ), GFP_KERNEL )) == NULL ) {
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printk( KERN_ERR "gemtek_pci: out of memory\n" );
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card = kzalloc(sizeof(struct gemtek_pci), GFP_KERNEL);
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if (card == NULL) {
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dev_err(&pdev->dev, "out of memory\n");
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return -ENOMEM;
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}
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if ( pci_enable_device( pci_dev ) )
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v4l2_dev = &card->v4l2_dev;
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mutex_init(&card->lock);
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card->pdev = pdev;
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strlcpy(v4l2_dev->name, "gemtek_pci", sizeof(v4l2_dev->name));
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res = v4l2_device_register(&pdev->dev, v4l2_dev);
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if (res < 0) {
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v4l2_err(v4l2_dev, "Could not register v4l2_device\n");
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kfree(card);
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return res;
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}
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if (pci_enable_device(pdev))
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goto err_pci;
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card->iobase = pci_resource_start( pci_dev, 0 );
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card->length = pci_resource_len( pci_dev, 0 );
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card->iobase = pci_resource_start(pdev, 0);
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card->length = pci_resource_len(pdev, 0);
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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" );
|
||||
if (request_region(card->iobase, card->length, card_names[pci_id->driver_data]) == NULL) {
|
||||
v4l2_err(v4l2_dev, "i/o port already in use\n");
|
||||
goto err_pci;
|
||||
}
|
||||
|
||||
pci_set_drvdata( pci_dev, card );
|
||||
strlcpy(card->vdev.name, v4l2_dev->name, sizeof(card->vdev.name));
|
||||
card->vdev.v4l2_dev = v4l2_dev;
|
||||
card->vdev.fops = &gemtek_pci_fops;
|
||||
card->vdev.ioctl_ops = &gemtek_pci_ioctl_ops;
|
||||
card->vdev.release = video_device_release_empty;
|
||||
video_set_drvdata(&card->vdev, card);
|
||||
|
||||
if ( (devradio = kmalloc( sizeof( struct video_device ), GFP_KERNEL )) == NULL ) {
|
||||
printk( KERN_ERR "gemtek_pci: out of memory\n" );
|
||||
if (video_register_device(&card->vdev, VFL_TYPE_RADIO, nr_radio) < 0)
|
||||
goto err_video;
|
||||
}
|
||||
*devradio = vdev_template;
|
||||
|
||||
if (video_register_device(devradio, VFL_TYPE_RADIO, nr_radio) < 0) {
|
||||
kfree( devradio );
|
||||
goto err_video;
|
||||
}
|
||||
gemtek_pci_mute(card);
|
||||
|
||||
card->videodev = devradio;
|
||||
video_set_drvdata(devradio, 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 );
|
||||
v4l2_info(v4l2_dev, "Gemtek PCI Radio (rev. %d) found at 0x%04x-0x%04x.\n",
|
||||
pdev->revision, card->iobase, card->iobase + card->length - 1);
|
||||
|
||||
return 0;
|
||||
|
||||
err_video:
|
||||
release_region( card->iobase, card->length );
|
||||
release_region(card->iobase, card->length);
|
||||
|
||||
err_pci:
|
||||
kfree( card );
|
||||
v4l2_device_unregister(v4l2_dev);
|
||||
kfree(card);
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
static void __devexit gemtek_pci_remove( struct pci_dev *pci_dev )
|
||||
static void __devexit gemtek_pci_remove(struct pci_dev *pdev)
|
||||
{
|
||||
struct gemtek_pci_card *card = pci_get_drvdata( pci_dev );
|
||||
struct v4l2_device *v4l2_dev = dev_get_drvdata(&pdev->dev);
|
||||
struct gemtek_pci *card = to_gemtek_pci(v4l2_dev);
|
||||
|
||||
video_unregister_device( card->videodev );
|
||||
kfree( card->videodev );
|
||||
video_unregister_device(&card->vdev);
|
||||
v4l2_device_unregister(v4l2_dev);
|
||||
|
||||
release_region( card->iobase, card->length );
|
||||
release_region(card->iobase, card->length);
|
||||
|
||||
if ( mx )
|
||||
gemtek_pci_mute( card );
|
||||
if (mx)
|
||||
gemtek_pci_mute(card);
|
||||
|
||||
kfree( card );
|
||||
|
||||
pci_set_drvdata( pci_dev, NULL );
|
||||
kfree(card);
|
||||
}
|
||||
|
||||
static struct pci_driver gemtek_pci_driver =
|
||||
{
|
||||
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 )
|
||||
static int __init gemtek_pci_init(void)
|
||||
{
|
||||
return pci_register_driver( &gemtek_pci_driver );
|
||||
return pci_register_driver(&gemtek_pci_driver);
|
||||
}
|
||||
|
||||
static void __exit gemtek_pci_cleanup_module( void )
|
||||
static void __exit gemtek_pci_exit(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 );
|
||||
|
||||
module_init(gemtek_pci_init);
|
||||
module_exit(gemtek_pci_exit);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user