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@@ -1,478 +0,0 @@
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-/*
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- ***************************************************************************
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- *
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- * radio-gemtek-pci.c - Gemtek PCI Radio driver
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- * (C) 2001 Vladimir Shebordaev <vshebordaev@mail.ru>
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- *
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- ***************************************************************************
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- *
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- * This program is free software; you can redistribute it and/or
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- * modify it under the terms of the GNU General Public License as
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- * published by the Free Software Foundation; either version 2 of
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- * the License, or (at your option) any later version.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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- * GNU General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public
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- * License along with this program; if not, write to the Free
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- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139,
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- * USA.
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- *
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- ***************************************************************************
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- *
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- * Gemtek Corp still silently refuses to release any specifications
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- * of their multimedia devices, so the protocol still has to be
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- * reverse engineered.
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- *
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- * The v4l code was inspired by Jonas Munsin's Gemtek serial line
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- * radio device driver.
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- *
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- * Please, let me know if this piece of code was useful :)
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- *
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- * TODO: multiple device support and portability were not tested
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- *
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- * Converted to V4L2 API by Mauro Carvalho Chehab <mchehab@infradead.org>
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- *
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- ***************************************************************************
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- */
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-
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-#include <linux/types.h>
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-#include <linux/list.h>
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-#include <linux/module.h>
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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 <linux/errno.h>
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-#include <linux/version.h> /* for KERNEL_VERSION MACRO */
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-#include <linux/io.h>
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-#include <linux/slab.h>
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-#include <media/v4l2-device.h>
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-#include <media/v4l2-ioctl.h>
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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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-
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-static int nr_radio = -1;
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-static int mx = 1;
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-
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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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-
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-#define RADIO_VERSION KERNEL_VERSION(0, 0, 2)
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-
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-#ifndef PCI_VENDOR_ID_GEMTEK
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-#define PCI_VENDOR_ID_GEMTEK 0x5046
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-#endif
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-
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-#ifndef PCI_DEVICE_ID_GEMTEK_PR103
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-#define PCI_DEVICE_ID_GEMTEK_PR103 0x1001
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-#endif
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-
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-#ifndef GEMTEK_PCI_RANGE_LOW
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-#define GEMTEK_PCI_RANGE_LOW (87*16000)
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-#endif
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-
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-#ifndef GEMTEK_PCI_RANGE_HIGH
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-#define GEMTEK_PCI_RANGE_HIGH (108*16000)
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-#endif
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-
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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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-
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- u32 iobase;
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- u32 length;
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-
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- u32 current_frequency;
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- u8 mute;
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-};
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-
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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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- return container_of(v4l2_dev, struct gemtek_pci, v4l2_dev);
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-}
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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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-
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- return (u8)value;
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-}
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-
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-#define _b0(v) (*((u8 *)&v))
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-
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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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-
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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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-
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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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- byte &= 0xfe;
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- _b0(value) = byte;
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- outw(value, port);
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-
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- *last_byte = byte;
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-}
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-
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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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-}
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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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-{
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- __gemtek_pci_cmd(cmd, port, last_byte, true);
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-}
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-
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-static void gemtek_pci_setfrequency(struct gemtek_pci *card, unsigned long frequency)
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-{
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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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-
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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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-
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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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- i++;
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- } while (i < 9);
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-
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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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- mask >>= 1;
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- i++;
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- } while (i < 16);
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-
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- outw(0x10, port);
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- mutex_unlock(&card->lock);
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-}
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-
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-
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-static void gemtek_pci_mute(struct gemtek_pci *card)
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-{
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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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-
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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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- card->mute = false;
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- }
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-}
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-
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-static int gemtek_pci_getsignal(struct gemtek_pci *card)
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-{
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- int sig;
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-
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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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-
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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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-
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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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- 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 | V4L2_CAP_RADIO;
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- return 0;
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-}
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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 = video_drvdata(file);
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-
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- if (v->index > 0)
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- return -EINVAL;
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-
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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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- v->rxsubchans = V4L2_TUNER_SUB_MONO;
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- v->capability = V4L2_TUNER_CAP_LOW;
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- v->audmode = V4L2_TUNER_MODE_MONO;
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- v->signal = 0xffff * gemtek_pci_getsignal(card);
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- return 0;
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-}
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-
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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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- return v->index ? -EINVAL : 0;
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-}
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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 = video_drvdata(file);
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-
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- if (f->tuner != 0 || f->type != V4L2_TUNER_RADIO)
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- return -EINVAL;
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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->mute = false;
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- return 0;
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-}
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-
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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 = video_drvdata(file);
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-
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- if (f->tuner != 0)
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- return -EINVAL;
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- f->type = V4L2_TUNER_RADIO;
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- f->frequency = card->current_frequency;
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- return 0;
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-}
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-
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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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- 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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-
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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 = video_drvdata(file);
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-
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- switch (ctrl->id) {
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- case V4L2_CID_AUDIO_MUTE:
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- ctrl->value = card->mute;
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- return 0;
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- case V4L2_CID_AUDIO_VOLUME:
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- if (card->mute)
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- ctrl->value = 0;
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- else
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- ctrl->value = 65535;
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- return 0;
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- }
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- return -EINVAL;
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-}
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-
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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 = video_drvdata(file);
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-
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- switch (ctrl->id) {
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- case V4L2_CID_AUDIO_MUTE:
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- if (ctrl->value)
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- gemtek_pci_mute(card);
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- else
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- gemtek_pci_unmute(card);
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- return 0;
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- case V4L2_CID_AUDIO_VOLUME:
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- if (ctrl->value)
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- gemtek_pci_unmute(card);
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- else
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- gemtek_pci_mute(card);
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- return 0;
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- }
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- return -EINVAL;
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-}
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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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- return 0;
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-}
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-
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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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- return i ? -EINVAL : 0;
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-}
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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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-
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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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- return a->index ? -EINVAL : 0;
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-}
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-
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-enum {
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- GEMTEK_PR103
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-};
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-
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-static char *card_names[] __devinitdata = {
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- "GEMTEK_PR103"
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-};
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-
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-static struct pci_device_id gemtek_pci_id[] =
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-{
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- { PCI_VENDOR_ID_GEMTEK, PCI_DEVICE_ID_GEMTEK_PR103,
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- PCI_ANY_ID, PCI_ANY_ID, 0, 0, GEMTEK_PR103 },
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- { 0 }
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-};
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-
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-MODULE_DEVICE_TABLE(pci, gemtek_pci_id);
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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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- .unlocked_ioctl = video_ioctl2,
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-};
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-
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-static const struct v4l2_ioctl_ops gemtek_pci_ioctl_ops = {
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- .vidioc_querycap = vidioc_querycap,
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- .vidioc_g_tuner = vidioc_g_tuner,
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- .vidioc_s_tuner = vidioc_s_tuner,
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- .vidioc_g_audio = vidioc_g_audio,
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- .vidioc_s_audio = vidioc_s_audio,
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- .vidioc_g_input = vidioc_g_input,
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- .vidioc_s_input = vidioc_s_input,
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- .vidioc_g_frequency = vidioc_g_frequency,
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- .vidioc_s_frequency = vidioc_s_frequency,
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- .vidioc_queryctrl = vidioc_queryctrl,
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- .vidioc_g_ctrl = vidioc_g_ctrl,
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- .vidioc_s_ctrl = vidioc_s_ctrl,
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-};
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-
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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;
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- struct v4l2_device *v4l2_dev;
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- int res;
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-
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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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-
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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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-
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- strlcpy(v4l2_dev->name, "gemtek_pci", sizeof(v4l2_dev->name));
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-
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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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|
- }
|
|
|
-
|
|
|
- if (pci_enable_device(pdev))
|
|
|
- goto err_pci;
|
|
|
-
|
|
|
- card->iobase = pci_resource_start(pdev, 0);
|
|
|
- card->length = pci_resource_len(pdev, 0);
|
|
|
-
|
|
|
- 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;
|
|
|
- }
|
|
|
-
|
|
|
- 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);
|
|
|
-
|
|
|
- gemtek_pci_mute(card);
|
|
|
-
|
|
|
- if (video_register_device(&card->vdev, VFL_TYPE_RADIO, nr_radio) < 0)
|
|
|
- goto err_video;
|
|
|
-
|
|
|
- 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);
|
|
|
-
|
|
|
-err_pci:
|
|
|
- v4l2_device_unregister(v4l2_dev);
|
|
|
- kfree(card);
|
|
|
- return -ENODEV;
|
|
|
-}
|
|
|
-
|
|
|
-static void __devexit gemtek_pci_remove(struct pci_dev *pdev)
|
|
|
-{
|
|
|
- struct v4l2_device *v4l2_dev = dev_get_drvdata(&pdev->dev);
|
|
|
- struct gemtek_pci *card = to_gemtek_pci(v4l2_dev);
|
|
|
-
|
|
|
- video_unregister_device(&card->vdev);
|
|
|
- v4l2_device_unregister(v4l2_dev);
|
|
|
-
|
|
|
- release_region(card->iobase, card->length);
|
|
|
-
|
|
|
- if (mx)
|
|
|
- gemtek_pci_mute(card);
|
|
|
-
|
|
|
- kfree(card);
|
|
|
-}
|
|
|
-
|
|
|
-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(void)
|
|
|
-{
|
|
|
- return pci_register_driver(&gemtek_pci_driver);
|
|
|
-}
|
|
|
-
|
|
|
-static void __exit gemtek_pci_exit(void)
|
|
|
-{
|
|
|
- pci_unregister_driver(&gemtek_pci_driver);
|
|
|
-}
|
|
|
-
|
|
|
-module_init(gemtek_pci_init);
|
|
|
-module_exit(gemtek_pci_exit);
|