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 au0828_rc_unregister(dev); 1570c0d06caSMauro Carvalho Chehab /* Digital TV */ 1580c0d06caSMauro Carvalho Chehab au0828_dvb_unregister(dev); 1590c0d06caSMauro Carvalho Chehab 1600c0d06caSMauro Carvalho Chehab usb_set_intfdata(interface, NULL); 1610c0d06caSMauro Carvalho Chehab mutex_lock(&dev->mutex); 1620c0d06caSMauro Carvalho Chehab dev->usbdev = NULL; 1630c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->mutex); 164823beb7eSHans Verkuil #ifdef CONFIG_VIDEO_AU0828_V4L2 165823beb7eSHans Verkuil if (AUVI_INPUT(0).type != AU0828_VMUX_UNDEFINED) { 166823beb7eSHans Verkuil au0828_analog_unregister(dev); 167823beb7eSHans Verkuil v4l2_device_disconnect(&dev->v4l2_dev); 168823beb7eSHans Verkuil v4l2_device_put(&dev->v4l2_dev); 169823beb7eSHans Verkuil return; 170823beb7eSHans Verkuil } 171823beb7eSHans Verkuil #endif 172823beb7eSHans Verkuil au0828_usb_release(dev); 1730c0d06caSMauro Carvalho Chehab } 1740c0d06caSMauro Carvalho Chehab 1750c0d06caSMauro Carvalho Chehab static int au0828_usb_probe(struct usb_interface *interface, 1760c0d06caSMauro Carvalho Chehab const struct usb_device_id *id) 1770c0d06caSMauro Carvalho Chehab { 1788a4e7866SMichael Krufky int ifnum; 179f251b3e7STim Mester int retval = 0; 180f251b3e7STim Mester 1810c0d06caSMauro Carvalho Chehab struct au0828_dev *dev; 1820c0d06caSMauro Carvalho Chehab struct usb_device *usbdev = interface_to_usbdev(interface); 1830c0d06caSMauro Carvalho Chehab 1840c0d06caSMauro Carvalho Chehab ifnum = interface->altsetting->desc.bInterfaceNumber; 1850c0d06caSMauro Carvalho Chehab 1860c0d06caSMauro Carvalho Chehab if (ifnum != 0) 1870c0d06caSMauro Carvalho Chehab return -ENODEV; 1880c0d06caSMauro Carvalho Chehab 1890c0d06caSMauro Carvalho Chehab dprintk(1, "%s() vendor id 0x%x device id 0x%x ifnum:%d\n", __func__, 1900c0d06caSMauro Carvalho Chehab le16_to_cpu(usbdev->descriptor.idVendor), 1910c0d06caSMauro Carvalho Chehab le16_to_cpu(usbdev->descriptor.idProduct), 1920c0d06caSMauro Carvalho Chehab ifnum); 1930c0d06caSMauro Carvalho Chehab 1940c0d06caSMauro Carvalho Chehab /* 1950c0d06caSMauro Carvalho Chehab * Make sure we have 480 Mbps of bandwidth, otherwise things like 1960c0d06caSMauro Carvalho Chehab * video stream wouldn't likely work, since 12 Mbps is generally 1970c0d06caSMauro Carvalho Chehab * not enough even for most Digital TV streams. 1980c0d06caSMauro Carvalho Chehab */ 1990c0d06caSMauro Carvalho Chehab if (usbdev->speed != USB_SPEED_HIGH && disable_usb_speed_check == 0) { 2000c0d06caSMauro Carvalho Chehab printk(KERN_ERR "au0828: Device initialization failed.\n"); 2010c0d06caSMauro Carvalho Chehab printk(KERN_ERR "au0828: Device must be connected to a " 2020c0d06caSMauro Carvalho Chehab "high-speed USB 2.0 port.\n"); 2030c0d06caSMauro Carvalho Chehab return -ENODEV; 2040c0d06caSMauro Carvalho Chehab } 2050c0d06caSMauro Carvalho Chehab 2060c0d06caSMauro Carvalho Chehab dev = kzalloc(sizeof(*dev), GFP_KERNEL); 2070c0d06caSMauro Carvalho Chehab if (dev == NULL) { 2080c0d06caSMauro Carvalho Chehab printk(KERN_ERR "%s() Unable to allocate memory\n", __func__); 2090c0d06caSMauro Carvalho Chehab return -ENOMEM; 2100c0d06caSMauro Carvalho Chehab } 2110c0d06caSMauro Carvalho Chehab 2120c0d06caSMauro Carvalho Chehab mutex_init(&dev->lock); 2130c0d06caSMauro Carvalho Chehab mutex_lock(&dev->lock); 2140c0d06caSMauro Carvalho Chehab mutex_init(&dev->mutex); 2150c0d06caSMauro Carvalho Chehab mutex_init(&dev->dvb.lock); 2160c0d06caSMauro Carvalho Chehab dev->usbdev = usbdev; 2170c0d06caSMauro Carvalho Chehab dev->boardnr = id->driver_info; 2180c0d06caSMauro Carvalho Chehab 2198a4e7866SMichael Krufky #ifdef CONFIG_VIDEO_AU0828_V4L2 220823beb7eSHans Verkuil dev->v4l2_dev.release = au0828_usb_v4l2_release; 221823beb7eSHans Verkuil 2220c0d06caSMauro Carvalho Chehab /* Create the v4l2_device */ 2230c0d06caSMauro Carvalho Chehab retval = v4l2_device_register(&interface->dev, &dev->v4l2_dev); 2240c0d06caSMauro Carvalho Chehab if (retval) { 225e8c26f45SHans Verkuil pr_err("%s() v4l2_device_register failed\n", 2260c0d06caSMauro Carvalho Chehab __func__); 2270c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 2280c0d06caSMauro Carvalho Chehab kfree(dev); 229e8c26f45SHans Verkuil return retval; 2300c0d06caSMauro Carvalho Chehab } 231e8c26f45SHans Verkuil /* This control handler will inherit the controls from au8522 */ 232e8c26f45SHans Verkuil retval = v4l2_ctrl_handler_init(&dev->v4l2_ctrl_hdl, 4); 233e8c26f45SHans Verkuil if (retval) { 234e8c26f45SHans Verkuil pr_err("%s() v4l2_ctrl_handler_init failed\n", 235e8c26f45SHans Verkuil __func__); 236e8c26f45SHans Verkuil mutex_unlock(&dev->lock); 237e8c26f45SHans Verkuil kfree(dev); 238e8c26f45SHans Verkuil return retval; 239e8c26f45SHans Verkuil } 240e8c26f45SHans Verkuil dev->v4l2_dev.ctrl_handler = &dev->v4l2_ctrl_hdl; 2418a4e7866SMichael Krufky #endif 2420c0d06caSMauro Carvalho Chehab 2430c0d06caSMauro Carvalho Chehab /* Power Up the bridge */ 2440c0d06caSMauro Carvalho Chehab au0828_write(dev, REG_600, 1 << 4); 2450c0d06caSMauro Carvalho Chehab 2460c0d06caSMauro Carvalho Chehab /* Bring up the GPIO's and supporting devices */ 2470c0d06caSMauro Carvalho Chehab au0828_gpio_setup(dev); 2480c0d06caSMauro Carvalho Chehab 2490c0d06caSMauro Carvalho Chehab /* I2C */ 2500c0d06caSMauro Carvalho Chehab au0828_i2c_register(dev); 2510c0d06caSMauro Carvalho Chehab 2520c0d06caSMauro Carvalho Chehab /* Setup */ 2530c0d06caSMauro Carvalho Chehab au0828_card_setup(dev); 2540c0d06caSMauro Carvalho Chehab 2558a4e7866SMichael Krufky #ifdef CONFIG_VIDEO_AU0828_V4L2 2560c0d06caSMauro Carvalho Chehab /* Analog TV */ 2570c0d06caSMauro Carvalho Chehab if (AUVI_INPUT(0).type != AU0828_VMUX_UNDEFINED) 2580c0d06caSMauro Carvalho Chehab au0828_analog_register(dev, interface); 2598a4e7866SMichael Krufky #endif 2600c0d06caSMauro Carvalho Chehab 2610c0d06caSMauro Carvalho Chehab /* Digital TV */ 262f251b3e7STim Mester retval = au0828_dvb_register(dev); 263f251b3e7STim Mester if (retval) 264f251b3e7STim Mester pr_err("%s() au0282_dev_register failed\n", 265f251b3e7STim Mester __func__); 266f251b3e7STim Mester 2672fcfd317SMauro Carvalho Chehab /* Remote controller */ 2682fcfd317SMauro Carvalho Chehab au0828_rc_register(dev); 2690c0d06caSMauro Carvalho Chehab 2702fcfd317SMauro Carvalho Chehab /* 2712fcfd317SMauro Carvalho Chehab * Store the pointer to the au0828_dev so it can be accessed in 2722fcfd317SMauro Carvalho Chehab * au0828_usb_disconnect 2732fcfd317SMauro Carvalho Chehab */ 2740c0d06caSMauro Carvalho Chehab usb_set_intfdata(interface, dev); 2750c0d06caSMauro Carvalho Chehab 2760c0d06caSMauro Carvalho Chehab printk(KERN_INFO "Registered device AU0828 [%s]\n", 2770c0d06caSMauro Carvalho Chehab dev->board.name == NULL ? "Unset" : dev->board.name); 2780c0d06caSMauro Carvalho Chehab 2790c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 2800c0d06caSMauro Carvalho Chehab 281f251b3e7STim Mester return retval; 2820c0d06caSMauro Carvalho Chehab } 2830c0d06caSMauro Carvalho Chehab 284aaeac199SMauro Carvalho Chehab static int au0828_suspend(struct usb_interface *interface, 285aaeac199SMauro Carvalho Chehab pm_message_t message) 286aaeac199SMauro Carvalho Chehab { 287aaeac199SMauro Carvalho Chehab struct au0828_dev *dev = usb_get_intfdata(interface); 288aaeac199SMauro Carvalho Chehab 289aaeac199SMauro Carvalho Chehab if (!dev) 290aaeac199SMauro Carvalho Chehab return 0; 291aaeac199SMauro Carvalho Chehab 292aaeac199SMauro Carvalho Chehab au0828_rc_suspend(dev); 293aaeac199SMauro Carvalho Chehab 294aaeac199SMauro Carvalho Chehab /* FIXME: should suspend also ATV/DTV */ 295aaeac199SMauro Carvalho Chehab 296aaeac199SMauro Carvalho Chehab return 0; 297aaeac199SMauro Carvalho Chehab } 298aaeac199SMauro Carvalho Chehab 299aaeac199SMauro Carvalho Chehab static int au0828_resume(struct usb_interface *interface) 300aaeac199SMauro Carvalho Chehab { 301aaeac199SMauro Carvalho Chehab struct au0828_dev *dev = usb_get_intfdata(interface); 302aaeac199SMauro Carvalho Chehab if (!dev) 303aaeac199SMauro Carvalho Chehab return 0; 304aaeac199SMauro Carvalho Chehab 305fa500461SMauro Carvalho Chehab /* Power Up the bridge */ 306fa500461SMauro Carvalho Chehab au0828_write(dev, REG_600, 1 << 4); 307fa500461SMauro Carvalho Chehab 308fa500461SMauro Carvalho Chehab /* Bring up the GPIO's and supporting devices */ 309fa500461SMauro Carvalho Chehab au0828_gpio_setup(dev); 310fa500461SMauro Carvalho Chehab 311aaeac199SMauro Carvalho Chehab au0828_rc_resume(dev); 312aaeac199SMauro Carvalho Chehab 313aaeac199SMauro Carvalho Chehab /* FIXME: should resume also ATV/DTV */ 314aaeac199SMauro Carvalho Chehab 315aaeac199SMauro Carvalho Chehab return 0; 316aaeac199SMauro Carvalho Chehab } 317aaeac199SMauro Carvalho Chehab 3180c0d06caSMauro Carvalho Chehab static struct usb_driver au0828_usb_driver = { 3190c0d06caSMauro Carvalho Chehab .name = DRIVER_NAME, 3200c0d06caSMauro Carvalho Chehab .probe = au0828_usb_probe, 3210c0d06caSMauro Carvalho Chehab .disconnect = au0828_usb_disconnect, 3220c0d06caSMauro Carvalho Chehab .id_table = au0828_usb_id_table, 323aaeac199SMauro Carvalho Chehab .suspend = au0828_suspend, 324aaeac199SMauro Carvalho Chehab .resume = au0828_resume, 325aaeac199SMauro Carvalho Chehab .reset_resume = au0828_resume, 3260c0d06caSMauro Carvalho Chehab }; 3270c0d06caSMauro Carvalho Chehab 3280c0d06caSMauro Carvalho Chehab static int __init au0828_init(void) 3290c0d06caSMauro Carvalho Chehab { 3300c0d06caSMauro Carvalho Chehab int ret; 3310c0d06caSMauro Carvalho Chehab 3320c0d06caSMauro Carvalho Chehab if (au0828_debug & 1) 3330c0d06caSMauro Carvalho Chehab printk(KERN_INFO "%s() Debugging is enabled\n", __func__); 3340c0d06caSMauro Carvalho Chehab 3350c0d06caSMauro Carvalho Chehab if (au0828_debug & 2) 3360c0d06caSMauro Carvalho Chehab printk(KERN_INFO "%s() USB Debugging is enabled\n", __func__); 3370c0d06caSMauro Carvalho Chehab 3380c0d06caSMauro Carvalho Chehab if (au0828_debug & 4) 3390c0d06caSMauro Carvalho Chehab printk(KERN_INFO "%s() I2C Debugging is enabled\n", __func__); 3400c0d06caSMauro Carvalho Chehab 3410c0d06caSMauro Carvalho Chehab if (au0828_debug & 8) 3420c0d06caSMauro Carvalho Chehab printk(KERN_INFO "%s() Bridge Debugging is enabled\n", 3430c0d06caSMauro Carvalho Chehab __func__); 3440c0d06caSMauro Carvalho Chehab 3452fcfd317SMauro Carvalho Chehab if (au0828_debug & 16) 3462fcfd317SMauro Carvalho Chehab printk(KERN_INFO "%s() IR Debugging is enabled\n", 3472fcfd317SMauro Carvalho Chehab __func__); 3482fcfd317SMauro Carvalho Chehab 3490c0d06caSMauro Carvalho Chehab printk(KERN_INFO "au0828 driver loaded\n"); 3500c0d06caSMauro Carvalho Chehab 3510c0d06caSMauro Carvalho Chehab ret = usb_register(&au0828_usb_driver); 3520c0d06caSMauro Carvalho Chehab if (ret) 3530c0d06caSMauro Carvalho Chehab printk(KERN_ERR "usb_register failed, error = %d\n", ret); 3540c0d06caSMauro Carvalho Chehab 3550c0d06caSMauro Carvalho Chehab return ret; 3560c0d06caSMauro Carvalho Chehab } 3570c0d06caSMauro Carvalho Chehab 3580c0d06caSMauro Carvalho Chehab static void __exit au0828_exit(void) 3590c0d06caSMauro Carvalho Chehab { 3600c0d06caSMauro Carvalho Chehab usb_deregister(&au0828_usb_driver); 3610c0d06caSMauro Carvalho Chehab } 3620c0d06caSMauro Carvalho Chehab 3630c0d06caSMauro Carvalho Chehab module_init(au0828_init); 3640c0d06caSMauro Carvalho Chehab module_exit(au0828_exit); 3650c0d06caSMauro Carvalho Chehab 3660c0d06caSMauro Carvalho Chehab MODULE_DESCRIPTION("Driver for Auvitek AU0828 based products"); 3670c0d06caSMauro Carvalho Chehab MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>"); 3680c0d06caSMauro Carvalho Chehab MODULE_LICENSE("GPL"); 3692fcfd317SMauro Carvalho Chehab MODULE_VERSION("0.0.3"); 370