10c0d06caSMauro Carvalho Chehab /* 20c0d06caSMauro Carvalho Chehab * Driver for the Auvitek USB bridge 30c0d06caSMauro Carvalho Chehab * 40c0d06caSMauro Carvalho Chehab * Copyright (c) 2008 Steven Toth <stoth@linuxtv.org> 50c0d06caSMauro Carvalho Chehab * 60c0d06caSMauro Carvalho Chehab * This program is free software; you can redistribute it and/or modify 70c0d06caSMauro Carvalho Chehab * it under the terms of the GNU General Public License as published by 80c0d06caSMauro Carvalho Chehab * the Free Software Foundation; either version 2 of the License, or 90c0d06caSMauro Carvalho Chehab * (at your option) any later version. 100c0d06caSMauro Carvalho Chehab * 110c0d06caSMauro Carvalho Chehab * This program is distributed in the hope that it will be useful, 120c0d06caSMauro Carvalho Chehab * but WITHOUT ANY WARRANTY; without even the implied warranty of 130c0d06caSMauro Carvalho Chehab * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 140c0d06caSMauro Carvalho Chehab * 150c0d06caSMauro Carvalho Chehab * GNU General Public License for more details. 160c0d06caSMauro Carvalho Chehab * 170c0d06caSMauro Carvalho Chehab * You should have received a copy of the GNU General Public License 180c0d06caSMauro Carvalho Chehab * along with this program; if not, write to the Free Software 190c0d06caSMauro Carvalho Chehab * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 200c0d06caSMauro Carvalho Chehab */ 210c0d06caSMauro Carvalho Chehab 220c0d06caSMauro Carvalho Chehab #include <linux/module.h> 230c0d06caSMauro Carvalho Chehab #include <linux/slab.h> 240c0d06caSMauro Carvalho Chehab #include <linux/videodev2.h> 250c0d06caSMauro Carvalho Chehab #include <media/v4l2-common.h> 260c0d06caSMauro Carvalho Chehab #include <linux/mutex.h> 270c0d06caSMauro Carvalho Chehab 280c0d06caSMauro Carvalho Chehab #include "au0828.h" 290c0d06caSMauro Carvalho Chehab 300c0d06caSMauro Carvalho Chehab /* 310c0d06caSMauro Carvalho Chehab * 1 = General debug messages 320c0d06caSMauro Carvalho Chehab * 2 = USB handling 330c0d06caSMauro Carvalho Chehab * 4 = I2C related 340c0d06caSMauro Carvalho Chehab * 8 = Bridge related 352fcfd317SMauro Carvalho Chehab * 16 = IR related 360c0d06caSMauro Carvalho Chehab */ 370c0d06caSMauro Carvalho Chehab int au0828_debug; 380c0d06caSMauro Carvalho Chehab module_param_named(debug, au0828_debug, int, 0644); 392fcfd317SMauro Carvalho Chehab MODULE_PARM_DESC(debug, 402fcfd317SMauro Carvalho Chehab "set debug bitmask: 1=general, 2=USB, 4=I2C, 8=bridge, 16=IR"); 410c0d06caSMauro Carvalho Chehab 420c0d06caSMauro Carvalho Chehab static unsigned int disable_usb_speed_check; 430c0d06caSMauro Carvalho Chehab module_param(disable_usb_speed_check, int, 0444); 440c0d06caSMauro Carvalho Chehab MODULE_PARM_DESC(disable_usb_speed_check, 450c0d06caSMauro Carvalho Chehab "override min bandwidth requirement of 480M bps"); 460c0d06caSMauro Carvalho Chehab 470c0d06caSMauro Carvalho Chehab #define _AU0828_BULKPIPE 0x03 480c0d06caSMauro Carvalho Chehab #define _BULKPIPESIZE 0xffff 490c0d06caSMauro Carvalho Chehab 500c0d06caSMauro Carvalho Chehab static int send_control_msg(struct au0828_dev *dev, u16 request, u32 value, 510c0d06caSMauro Carvalho Chehab u16 index); 520c0d06caSMauro Carvalho Chehab static int recv_control_msg(struct au0828_dev *dev, u16 request, u32 value, 530c0d06caSMauro Carvalho Chehab u16 index, unsigned char *cp, u16 size); 540c0d06caSMauro Carvalho Chehab 550c0d06caSMauro Carvalho Chehab /* USB Direction */ 560c0d06caSMauro Carvalho Chehab #define CMD_REQUEST_IN 0x00 570c0d06caSMauro Carvalho Chehab #define CMD_REQUEST_OUT 0x01 580c0d06caSMauro Carvalho Chehab 590c0d06caSMauro Carvalho Chehab u32 au0828_readreg(struct au0828_dev *dev, u16 reg) 600c0d06caSMauro Carvalho Chehab { 610c0d06caSMauro Carvalho Chehab u8 result = 0; 620c0d06caSMauro Carvalho Chehab 630c0d06caSMauro Carvalho Chehab recv_control_msg(dev, CMD_REQUEST_IN, 0, reg, &result, 1); 640c0d06caSMauro Carvalho Chehab dprintk(8, "%s(0x%04x) = 0x%02x\n", __func__, reg, result); 650c0d06caSMauro Carvalho Chehab 660c0d06caSMauro Carvalho Chehab return result; 670c0d06caSMauro Carvalho Chehab } 680c0d06caSMauro Carvalho Chehab 690c0d06caSMauro Carvalho Chehab u32 au0828_writereg(struct au0828_dev *dev, u16 reg, u32 val) 700c0d06caSMauro Carvalho Chehab { 710c0d06caSMauro Carvalho Chehab dprintk(8, "%s(0x%04x, 0x%02x)\n", __func__, reg, val); 720c0d06caSMauro Carvalho Chehab return send_control_msg(dev, CMD_REQUEST_OUT, val, reg); 730c0d06caSMauro Carvalho Chehab } 740c0d06caSMauro Carvalho Chehab 750c0d06caSMauro Carvalho Chehab static int send_control_msg(struct au0828_dev *dev, u16 request, u32 value, 760c0d06caSMauro Carvalho Chehab u16 index) 770c0d06caSMauro Carvalho Chehab { 780c0d06caSMauro Carvalho Chehab int status = -ENODEV; 790c0d06caSMauro Carvalho Chehab 800c0d06caSMauro Carvalho Chehab if (dev->usbdev) { 810c0d06caSMauro Carvalho Chehab 820c0d06caSMauro Carvalho Chehab /* cp must be memory that has been allocated by kmalloc */ 830c0d06caSMauro Carvalho Chehab status = usb_control_msg(dev->usbdev, 840c0d06caSMauro Carvalho Chehab usb_sndctrlpipe(dev->usbdev, 0), 850c0d06caSMauro Carvalho Chehab request, 860c0d06caSMauro Carvalho Chehab USB_DIR_OUT | USB_TYPE_VENDOR | 870c0d06caSMauro Carvalho Chehab USB_RECIP_DEVICE, 880c0d06caSMauro Carvalho Chehab value, index, NULL, 0, 1000); 890c0d06caSMauro Carvalho Chehab 900c0d06caSMauro Carvalho Chehab status = min(status, 0); 910c0d06caSMauro Carvalho Chehab 920c0d06caSMauro Carvalho Chehab if (status < 0) { 930c0d06caSMauro Carvalho Chehab printk(KERN_ERR "%s() Failed sending control message, error %d.\n", 940c0d06caSMauro Carvalho Chehab __func__, status); 950c0d06caSMauro Carvalho Chehab } 960c0d06caSMauro Carvalho Chehab 970c0d06caSMauro Carvalho Chehab } 980c0d06caSMauro Carvalho Chehab 990c0d06caSMauro Carvalho Chehab return status; 1000c0d06caSMauro Carvalho Chehab } 1010c0d06caSMauro Carvalho Chehab 1020c0d06caSMauro Carvalho Chehab static int recv_control_msg(struct au0828_dev *dev, u16 request, u32 value, 1030c0d06caSMauro Carvalho Chehab u16 index, unsigned char *cp, u16 size) 1040c0d06caSMauro Carvalho Chehab { 1050c0d06caSMauro Carvalho Chehab int status = -ENODEV; 1060c0d06caSMauro Carvalho Chehab mutex_lock(&dev->mutex); 1070c0d06caSMauro Carvalho Chehab if (dev->usbdev) { 1080c0d06caSMauro Carvalho Chehab status = usb_control_msg(dev->usbdev, 1090c0d06caSMauro Carvalho Chehab usb_rcvctrlpipe(dev->usbdev, 0), 1100c0d06caSMauro Carvalho Chehab request, 1110c0d06caSMauro Carvalho Chehab USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 1120c0d06caSMauro Carvalho Chehab value, index, 1130c0d06caSMauro Carvalho Chehab dev->ctrlmsg, size, 1000); 1140c0d06caSMauro Carvalho Chehab 1150c0d06caSMauro Carvalho Chehab status = min(status, 0); 1160c0d06caSMauro Carvalho Chehab 1170c0d06caSMauro Carvalho Chehab if (status < 0) { 1180c0d06caSMauro Carvalho Chehab printk(KERN_ERR "%s() Failed receiving control message, error %d.\n", 1190c0d06caSMauro Carvalho Chehab __func__, status); 1200c0d06caSMauro Carvalho Chehab } 1210c0d06caSMauro Carvalho Chehab 1220c0d06caSMauro Carvalho Chehab /* the host controller requires heap allocated memory, which 1230c0d06caSMauro Carvalho Chehab is why we didn't just pass "cp" into usb_control_msg */ 1240c0d06caSMauro Carvalho Chehab memcpy(cp, dev->ctrlmsg, size); 1250c0d06caSMauro Carvalho Chehab } 1260c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->mutex); 1270c0d06caSMauro Carvalho Chehab return status; 1280c0d06caSMauro Carvalho Chehab } 1290c0d06caSMauro Carvalho Chehab 130823beb7eSHans Verkuil static void au0828_usb_release(struct au0828_dev *dev) 131823beb7eSHans Verkuil { 132823beb7eSHans Verkuil /* I2C */ 133823beb7eSHans Verkuil au0828_i2c_unregister(dev); 134823beb7eSHans Verkuil 135823beb7eSHans Verkuil kfree(dev); 136823beb7eSHans Verkuil } 137823beb7eSHans Verkuil 138823beb7eSHans Verkuil #ifdef CONFIG_VIDEO_AU0828_V4L2 139823beb7eSHans Verkuil static void au0828_usb_v4l2_release(struct v4l2_device *v4l2_dev) 140823beb7eSHans Verkuil { 141823beb7eSHans Verkuil struct au0828_dev *dev = 142823beb7eSHans Verkuil container_of(v4l2_dev, struct au0828_dev, v4l2_dev); 143823beb7eSHans Verkuil 144823beb7eSHans Verkuil v4l2_ctrl_handler_free(&dev->v4l2_ctrl_hdl); 145823beb7eSHans Verkuil v4l2_device_unregister(&dev->v4l2_dev); 146823beb7eSHans Verkuil au0828_usb_release(dev); 147823beb7eSHans Verkuil } 148823beb7eSHans Verkuil #endif 149823beb7eSHans Verkuil 1500c0d06caSMauro Carvalho Chehab static void au0828_usb_disconnect(struct usb_interface *interface) 1510c0d06caSMauro Carvalho Chehab { 1520c0d06caSMauro Carvalho Chehab struct au0828_dev *dev = usb_get_intfdata(interface); 1530c0d06caSMauro Carvalho Chehab 1540c0d06caSMauro Carvalho Chehab dprintk(1, "%s()\n", __func__); 1550c0d06caSMauro Carvalho Chehab 1562fcfd317SMauro Carvalho Chehab #ifdef CONFIG_VIDEO_AU0828_RC 1572fcfd317SMauro Carvalho Chehab au0828_rc_unregister(dev); 1582fcfd317SMauro Carvalho Chehab #endif 1590c0d06caSMauro Carvalho Chehab /* Digital TV */ 1600c0d06caSMauro Carvalho Chehab au0828_dvb_unregister(dev); 1610c0d06caSMauro Carvalho Chehab 1620c0d06caSMauro Carvalho Chehab usb_set_intfdata(interface, NULL); 1630c0d06caSMauro Carvalho Chehab mutex_lock(&dev->mutex); 1640c0d06caSMauro Carvalho Chehab dev->usbdev = NULL; 1650c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->mutex); 166823beb7eSHans Verkuil #ifdef CONFIG_VIDEO_AU0828_V4L2 167823beb7eSHans Verkuil if (AUVI_INPUT(0).type != AU0828_VMUX_UNDEFINED) { 168823beb7eSHans Verkuil au0828_analog_unregister(dev); 169823beb7eSHans Verkuil v4l2_device_disconnect(&dev->v4l2_dev); 170823beb7eSHans Verkuil v4l2_device_put(&dev->v4l2_dev); 171823beb7eSHans Verkuil return; 172823beb7eSHans Verkuil } 173823beb7eSHans Verkuil #endif 174823beb7eSHans Verkuil au0828_usb_release(dev); 1750c0d06caSMauro Carvalho Chehab } 1760c0d06caSMauro Carvalho Chehab 1770c0d06caSMauro Carvalho Chehab static int au0828_usb_probe(struct usb_interface *interface, 1780c0d06caSMauro Carvalho Chehab const struct usb_device_id *id) 1790c0d06caSMauro Carvalho Chehab { 1808a4e7866SMichael Krufky int ifnum; 181f251b3e7STim Mester int retval = 0; 182f251b3e7STim Mester 1830c0d06caSMauro Carvalho Chehab struct au0828_dev *dev; 1840c0d06caSMauro Carvalho Chehab struct usb_device *usbdev = interface_to_usbdev(interface); 1850c0d06caSMauro Carvalho Chehab 1860c0d06caSMauro Carvalho Chehab ifnum = interface->altsetting->desc.bInterfaceNumber; 1870c0d06caSMauro Carvalho Chehab 1880c0d06caSMauro Carvalho Chehab if (ifnum != 0) 1890c0d06caSMauro Carvalho Chehab return -ENODEV; 1900c0d06caSMauro Carvalho Chehab 1910c0d06caSMauro Carvalho Chehab dprintk(1, "%s() vendor id 0x%x device id 0x%x ifnum:%d\n", __func__, 1920c0d06caSMauro Carvalho Chehab le16_to_cpu(usbdev->descriptor.idVendor), 1930c0d06caSMauro Carvalho Chehab le16_to_cpu(usbdev->descriptor.idProduct), 1940c0d06caSMauro Carvalho Chehab ifnum); 1950c0d06caSMauro Carvalho Chehab 1960c0d06caSMauro Carvalho Chehab /* 1970c0d06caSMauro Carvalho Chehab * Make sure we have 480 Mbps of bandwidth, otherwise things like 1980c0d06caSMauro Carvalho Chehab * video stream wouldn't likely work, since 12 Mbps is generally 1990c0d06caSMauro Carvalho Chehab * not enough even for most Digital TV streams. 2000c0d06caSMauro Carvalho Chehab */ 2010c0d06caSMauro Carvalho Chehab if (usbdev->speed != USB_SPEED_HIGH && disable_usb_speed_check == 0) { 2020c0d06caSMauro Carvalho Chehab printk(KERN_ERR "au0828: Device initialization failed.\n"); 2030c0d06caSMauro Carvalho Chehab printk(KERN_ERR "au0828: Device must be connected to a " 2040c0d06caSMauro Carvalho Chehab "high-speed USB 2.0 port.\n"); 2050c0d06caSMauro Carvalho Chehab return -ENODEV; 2060c0d06caSMauro Carvalho Chehab } 2070c0d06caSMauro Carvalho Chehab 2080c0d06caSMauro Carvalho Chehab dev = kzalloc(sizeof(*dev), GFP_KERNEL); 2090c0d06caSMauro Carvalho Chehab if (dev == NULL) { 2100c0d06caSMauro Carvalho Chehab printk(KERN_ERR "%s() Unable to allocate memory\n", __func__); 2110c0d06caSMauro Carvalho Chehab return -ENOMEM; 2120c0d06caSMauro Carvalho Chehab } 2130c0d06caSMauro Carvalho Chehab 2140c0d06caSMauro Carvalho Chehab mutex_init(&dev->lock); 2150c0d06caSMauro Carvalho Chehab mutex_lock(&dev->lock); 2160c0d06caSMauro Carvalho Chehab mutex_init(&dev->mutex); 2170c0d06caSMauro Carvalho Chehab mutex_init(&dev->dvb.lock); 2180c0d06caSMauro Carvalho Chehab dev->usbdev = usbdev; 2190c0d06caSMauro Carvalho Chehab dev->boardnr = id->driver_info; 2200c0d06caSMauro Carvalho Chehab 2218a4e7866SMichael Krufky #ifdef CONFIG_VIDEO_AU0828_V4L2 222823beb7eSHans Verkuil dev->v4l2_dev.release = au0828_usb_v4l2_release; 223823beb7eSHans Verkuil 2240c0d06caSMauro Carvalho Chehab /* Create the v4l2_device */ 2250c0d06caSMauro Carvalho Chehab retval = v4l2_device_register(&interface->dev, &dev->v4l2_dev); 2260c0d06caSMauro Carvalho Chehab if (retval) { 227e8c26f45SHans Verkuil pr_err("%s() v4l2_device_register failed\n", 2280c0d06caSMauro Carvalho Chehab __func__); 2290c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 2300c0d06caSMauro Carvalho Chehab kfree(dev); 231e8c26f45SHans Verkuil return retval; 2320c0d06caSMauro Carvalho Chehab } 233e8c26f45SHans Verkuil /* This control handler will inherit the controls from au8522 */ 234e8c26f45SHans Verkuil retval = v4l2_ctrl_handler_init(&dev->v4l2_ctrl_hdl, 4); 235e8c26f45SHans Verkuil if (retval) { 236e8c26f45SHans Verkuil pr_err("%s() v4l2_ctrl_handler_init failed\n", 237e8c26f45SHans Verkuil __func__); 238e8c26f45SHans Verkuil mutex_unlock(&dev->lock); 239e8c26f45SHans Verkuil kfree(dev); 240e8c26f45SHans Verkuil return retval; 241e8c26f45SHans Verkuil } 242e8c26f45SHans Verkuil dev->v4l2_dev.ctrl_handler = &dev->v4l2_ctrl_hdl; 2438a4e7866SMichael Krufky #endif 2440c0d06caSMauro Carvalho Chehab 2450c0d06caSMauro Carvalho Chehab /* Power Up the bridge */ 2460c0d06caSMauro Carvalho Chehab au0828_write(dev, REG_600, 1 << 4); 2470c0d06caSMauro Carvalho Chehab 2480c0d06caSMauro Carvalho Chehab /* Bring up the GPIO's and supporting devices */ 2490c0d06caSMauro Carvalho Chehab au0828_gpio_setup(dev); 2500c0d06caSMauro Carvalho Chehab 2510c0d06caSMauro Carvalho Chehab /* I2C */ 2520c0d06caSMauro Carvalho Chehab au0828_i2c_register(dev); 2530c0d06caSMauro Carvalho Chehab 2540c0d06caSMauro Carvalho Chehab /* Setup */ 2550c0d06caSMauro Carvalho Chehab au0828_card_setup(dev); 2560c0d06caSMauro Carvalho Chehab 2578a4e7866SMichael Krufky #ifdef CONFIG_VIDEO_AU0828_V4L2 2580c0d06caSMauro Carvalho Chehab /* Analog TV */ 2590c0d06caSMauro Carvalho Chehab if (AUVI_INPUT(0).type != AU0828_VMUX_UNDEFINED) 2600c0d06caSMauro Carvalho Chehab au0828_analog_register(dev, interface); 2618a4e7866SMichael Krufky #endif 2620c0d06caSMauro Carvalho Chehab 2630c0d06caSMauro Carvalho Chehab /* Digital TV */ 264f251b3e7STim Mester retval = au0828_dvb_register(dev); 265f251b3e7STim Mester if (retval) 266f251b3e7STim Mester pr_err("%s() au0282_dev_register failed\n", 267f251b3e7STim Mester __func__); 268f251b3e7STim Mester 2692fcfd317SMauro Carvalho Chehab #ifdef CONFIG_VIDEO_AU0828_RC 2702fcfd317SMauro Carvalho Chehab /* Remote controller */ 2712fcfd317SMauro Carvalho Chehab au0828_rc_register(dev); 2722fcfd317SMauro Carvalho Chehab #endif 2730c0d06caSMauro Carvalho Chehab 2742fcfd317SMauro Carvalho Chehab /* 2752fcfd317SMauro Carvalho Chehab * Store the pointer to the au0828_dev so it can be accessed in 2762fcfd317SMauro Carvalho Chehab * au0828_usb_disconnect 2772fcfd317SMauro Carvalho Chehab */ 2780c0d06caSMauro Carvalho Chehab usb_set_intfdata(interface, dev); 2790c0d06caSMauro Carvalho Chehab 2800c0d06caSMauro Carvalho Chehab printk(KERN_INFO "Registered device AU0828 [%s]\n", 2810c0d06caSMauro Carvalho Chehab dev->board.name == NULL ? "Unset" : dev->board.name); 2820c0d06caSMauro Carvalho Chehab 2830c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 2840c0d06caSMauro Carvalho Chehab 285f251b3e7STim Mester return retval; 2860c0d06caSMauro Carvalho Chehab } 2870c0d06caSMauro Carvalho Chehab 2880c0d06caSMauro Carvalho Chehab static struct usb_driver au0828_usb_driver = { 2890c0d06caSMauro Carvalho Chehab .name = DRIVER_NAME, 2900c0d06caSMauro Carvalho Chehab .probe = au0828_usb_probe, 2910c0d06caSMauro Carvalho Chehab .disconnect = au0828_usb_disconnect, 2920c0d06caSMauro Carvalho Chehab .id_table = au0828_usb_id_table, 2932fcfd317SMauro Carvalho Chehab 2942fcfd317SMauro Carvalho Chehab /* FIXME: Add suspend and resume functions */ 2950c0d06caSMauro Carvalho Chehab }; 2960c0d06caSMauro Carvalho Chehab 2970c0d06caSMauro Carvalho Chehab static int __init au0828_init(void) 2980c0d06caSMauro Carvalho Chehab { 2990c0d06caSMauro Carvalho Chehab int ret; 3000c0d06caSMauro Carvalho Chehab 3010c0d06caSMauro Carvalho Chehab if (au0828_debug & 1) 3020c0d06caSMauro Carvalho Chehab printk(KERN_INFO "%s() Debugging is enabled\n", __func__); 3030c0d06caSMauro Carvalho Chehab 3040c0d06caSMauro Carvalho Chehab if (au0828_debug & 2) 3050c0d06caSMauro Carvalho Chehab printk(KERN_INFO "%s() USB Debugging is enabled\n", __func__); 3060c0d06caSMauro Carvalho Chehab 3070c0d06caSMauro Carvalho Chehab if (au0828_debug & 4) 3080c0d06caSMauro Carvalho Chehab printk(KERN_INFO "%s() I2C Debugging is enabled\n", __func__); 3090c0d06caSMauro Carvalho Chehab 3100c0d06caSMauro Carvalho Chehab if (au0828_debug & 8) 3110c0d06caSMauro Carvalho Chehab printk(KERN_INFO "%s() Bridge Debugging is enabled\n", 3120c0d06caSMauro Carvalho Chehab __func__); 3130c0d06caSMauro Carvalho Chehab 3142fcfd317SMauro Carvalho Chehab if (au0828_debug & 16) 3152fcfd317SMauro Carvalho Chehab printk(KERN_INFO "%s() IR Debugging is enabled\n", 3162fcfd317SMauro Carvalho Chehab __func__); 3172fcfd317SMauro Carvalho Chehab 3180c0d06caSMauro Carvalho Chehab printk(KERN_INFO "au0828 driver loaded\n"); 3190c0d06caSMauro Carvalho Chehab 3200c0d06caSMauro Carvalho Chehab ret = usb_register(&au0828_usb_driver); 3210c0d06caSMauro Carvalho Chehab if (ret) 3220c0d06caSMauro Carvalho Chehab printk(KERN_ERR "usb_register failed, error = %d\n", ret); 3230c0d06caSMauro Carvalho Chehab 3240c0d06caSMauro Carvalho Chehab return ret; 3250c0d06caSMauro Carvalho Chehab } 3260c0d06caSMauro Carvalho Chehab 3270c0d06caSMauro Carvalho Chehab static void __exit au0828_exit(void) 3280c0d06caSMauro Carvalho Chehab { 3290c0d06caSMauro Carvalho Chehab usb_deregister(&au0828_usb_driver); 3300c0d06caSMauro Carvalho Chehab } 3310c0d06caSMauro Carvalho Chehab 3320c0d06caSMauro Carvalho Chehab module_init(au0828_init); 3330c0d06caSMauro Carvalho Chehab module_exit(au0828_exit); 3340c0d06caSMauro Carvalho Chehab 3350c0d06caSMauro Carvalho Chehab MODULE_DESCRIPTION("Driver for Auvitek AU0828 based products"); 3360c0d06caSMauro Carvalho Chehab MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>"); 3370c0d06caSMauro Carvalho Chehab MODULE_LICENSE("GPL"); 3382fcfd317SMauro Carvalho Chehab MODULE_VERSION("0.0.3"); 339