[mirror_ubuntu-artful-kernel.git] / drivers / media / usb / au0828 / au0828-core.c

/*
 *  Driver for the Auvitek USB bridge
 *
 *  Copyright (c) 2008 Steven Toth <stoth@linuxtv.org>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include <linux/module.h>
#include <linux/slab.h>
#include <linux/videodev2.h>
#include <media/v4l2-common.h>
#include <linux/mutex.h>

#include "au0828.h"

/*
 * 1 = General debug messages
 * 2 = USB handling
 * 4 = I2C related
 * 8 = Bridge related
 * 16 = IR related
 */
int au0828_debug;
module_param_named(debug, au0828_debug, int, 0644);
MODULE_PARM_DESC(debug,
		 "set debug bitmask: 1=general, 2=USB, 4=I2C, 8=bridge, 16=IR");

static unsigned int disable_usb_speed_check;
module_param(disable_usb_speed_check, int, 0444);
MODULE_PARM_DESC(disable_usb_speed_check,
		 "override min bandwidth requirement of 480M bps");

#define _AU0828_BULKPIPE 0x03
#define _BULKPIPESIZE 0xffff

static int send_control_msg(struct au0828_dev *dev, u16 request, u32 value,
			    u16 index);
static int recv_control_msg(struct au0828_dev *dev, u16 request, u32 value,
	u16 index, unsigned char *cp, u16 size);

/* USB Direction */
#define CMD_REQUEST_IN		0x00
#define CMD_REQUEST_OUT		0x01

u32 au0828_readreg(struct au0828_dev *dev, u16 reg)
{
	u8 result = 0;

	recv_control_msg(dev, CMD_REQUEST_IN, 0, reg, &result, 1);
	dprintk(8, "%s(0x%04x) = 0x%02x\n", __func__, reg, result);

	return result;
}

u32 au0828_writereg(struct au0828_dev *dev, u16 reg, u32 val)
{
	dprintk(8, "%s(0x%04x, 0x%02x)\n", __func__, reg, val);
	return send_control_msg(dev, CMD_REQUEST_OUT, val, reg);
}

static int send_control_msg(struct au0828_dev *dev, u16 request, u32 value,
	u16 index)
{
	int status = -ENODEV;

	if (dev->usbdev) {

		/* cp must be memory that has been allocated by kmalloc */
		status = usb_control_msg(dev->usbdev,
				usb_sndctrlpipe(dev->usbdev, 0),
				request,
				USB_DIR_OUT | USB_TYPE_VENDOR |
					USB_RECIP_DEVICE,
				value, index, NULL, 0, 1000);

		status = min(status, 0);

		if (status < 0) {
			printk(KERN_ERR "%s() Failed sending control message, error %d.\n",
				__func__, status);
		}

	}

	return status;
}

static int recv_control_msg(struct au0828_dev *dev, u16 request, u32 value,
	u16 index, unsigned char *cp, u16 size)
{
	int status = -ENODEV;
	mutex_lock(&dev->mutex);
	if (dev->usbdev) {
		status = usb_control_msg(dev->usbdev,
				usb_rcvctrlpipe(dev->usbdev, 0),
				request,
				USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
				value, index,
				dev->ctrlmsg, size, 1000);

		status = min(status, 0);

		if (status < 0) {
			printk(KERN_ERR "%s() Failed receiving control message, error %d.\n",
				__func__, status);
		}

		/* the host controller requires heap allocated memory, which
		   is why we didn't just pass "cp" into usb_control_msg */
		memcpy(cp, dev->ctrlmsg, size);
	}
	mutex_unlock(&dev->mutex);
	return status;
}

static void au0828_usb_release(struct au0828_dev *dev)
{
	/* I2C */
	au0828_i2c_unregister(dev);

	kfree(dev);
}

#ifdef CONFIG_VIDEO_AU0828_V4L2
static void au0828_usb_v4l2_release(struct v4l2_device *v4l2_dev)
{
	struct au0828_dev *dev =
		container_of(v4l2_dev, struct au0828_dev, v4l2_dev);

	v4l2_ctrl_handler_free(&dev->v4l2_ctrl_hdl);
	v4l2_device_unregister(&dev->v4l2_dev);
	au0828_usb_release(dev);
}
#endif

static void au0828_usb_disconnect(struct usb_interface *interface)
{
	struct au0828_dev *dev = usb_get_intfdata(interface);

	dprintk(1, "%s()\n", __func__);

	au0828_rc_unregister(dev);
	/* Digital TV */
	au0828_dvb_unregister(dev);

	usb_set_intfdata(interface, NULL);
	mutex_lock(&dev->mutex);
	dev->usbdev = NULL;
	mutex_unlock(&dev->mutex);
#ifdef CONFIG_VIDEO_AU0828_V4L2
	if (AUVI_INPUT(0).type != AU0828_VMUX_UNDEFINED) {
		au0828_analog_unregister(dev);
		v4l2_device_disconnect(&dev->v4l2_dev);
		v4l2_device_put(&dev->v4l2_dev);
		return;
	}
#endif
	au0828_usb_release(dev);
}

static int au0828_usb_probe(struct usb_interface *interface,
	const struct usb_device_id *id)
{
	int ifnum;
	int retval = 0;

	struct au0828_dev *dev;
	struct usb_device *usbdev = interface_to_usbdev(interface);

	ifnum = interface->altsetting->desc.bInterfaceNumber;

	if (ifnum != 0)
		return -ENODEV;

	dprintk(1, "%s() vendor id 0x%x device id 0x%x ifnum:%d\n", __func__,
		le16_to_cpu(usbdev->descriptor.idVendor),
		le16_to_cpu(usbdev->descriptor.idProduct),
		ifnum);

	/*
	 * Make sure we have 480 Mbps of bandwidth, otherwise things like
	 * video stream wouldn't likely work, since 12 Mbps is generally
	 * not enough even for most Digital TV streams.
	 */
	if (usbdev->speed != USB_SPEED_HIGH && disable_usb_speed_check == 0) {
		printk(KERN_ERR "au0828: Device initialization failed.\n");
		printk(KERN_ERR "au0828: Device must be connected to a "
		       "high-speed USB 2.0 port.\n");
		return -ENODEV;
	}

	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
	if (dev == NULL) {
		printk(KERN_ERR "%s() Unable to allocate memory\n", __func__);
		return -ENOMEM;
	}

	mutex_init(&dev->lock);
	mutex_lock(&dev->lock);
	mutex_init(&dev->mutex);
	mutex_init(&dev->dvb.lock);
	dev->usbdev = usbdev;
	dev->boardnr = id->driver_info;

#ifdef CONFIG_VIDEO_AU0828_V4L2
	dev->v4l2_dev.release = au0828_usb_v4l2_release;

	/* Create the v4l2_device */
	retval = v4l2_device_register(&interface->dev, &dev->v4l2_dev);
	if (retval) {
		pr_err("%s() v4l2_device_register failed\n",
		       __func__);
		mutex_unlock(&dev->lock);
		kfree(dev);
		return retval;
	}
	/* This control handler will inherit the controls from au8522 */
	retval = v4l2_ctrl_handler_init(&dev->v4l2_ctrl_hdl, 4);
	if (retval) {
		pr_err("%s() v4l2_ctrl_handler_init failed\n",
		       __func__);
		mutex_unlock(&dev->lock);
		kfree(dev);
		return retval;
	}
	dev->v4l2_dev.ctrl_handler = &dev->v4l2_ctrl_hdl;
#endif

	/* Power Up the bridge */
	au0828_write(dev, REG_600, 1 << 4);

	/* Bring up the GPIO's and supporting devices */
	au0828_gpio_setup(dev);

	/* I2C */
	au0828_i2c_register(dev);

	/* Setup */
	au0828_card_setup(dev);

#ifdef CONFIG_VIDEO_AU0828_V4L2
	/* Analog TV */
	if (AUVI_INPUT(0).type != AU0828_VMUX_UNDEFINED)
		au0828_analog_register(dev, interface);
#endif

	/* Digital TV */
	retval = au0828_dvb_register(dev);
	if (retval)
		pr_err("%s() au0282_dev_register failed\n",
		       __func__);

	/* Remote controller */
	au0828_rc_register(dev);

	/*
	 * Store the pointer to the au0828_dev so it can be accessed in
	 * au0828_usb_disconnect
	 */
	usb_set_intfdata(interface, dev);

	printk(KERN_INFO "Registered device AU0828 [%s]\n",
		dev->board.name == NULL ? "Unset" : dev->board.name);

	mutex_unlock(&dev->lock);

	return retval;
}

static int au0828_suspend(struct usb_interface *interface,
				pm_message_t message)
{
	struct au0828_dev *dev = usb_get_intfdata(interface);

	if (!dev)
		return 0;

	au0828_rc_suspend(dev);
	au0828_v4l2_suspend(dev);
	au0828_dvb_suspend(dev);

	/* FIXME: should suspend also ATV/DTV */

	return 0;
}

static int au0828_resume(struct usb_interface *interface)
{
	struct au0828_dev *dev = usb_get_intfdata(interface);
	if (!dev)
		return 0;

	/* Power Up the bridge */
	au0828_write(dev, REG_600, 1 << 4);

	/* Bring up the GPIO's and supporting devices */
	au0828_gpio_setup(dev);

	au0828_rc_resume(dev);
	au0828_v4l2_resume(dev);
	au0828_dvb_resume(dev);

	/* FIXME: should resume also ATV/DTV */

	return 0;
}

static struct usb_driver au0828_usb_driver = {
	.name		= DRIVER_NAME,
	.probe		= au0828_usb_probe,
	.disconnect	= au0828_usb_disconnect,
	.id_table	= au0828_usb_id_table,
	.suspend	= au0828_suspend,
	.resume		= au0828_resume,
	.reset_resume	= au0828_resume,
};

static int __init au0828_init(void)
{
	int ret;

	if (au0828_debug & 1)
		printk(KERN_INFO "%s() Debugging is enabled\n", __func__);

	if (au0828_debug & 2)
		printk(KERN_INFO "%s() USB Debugging is enabled\n", __func__);

	if (au0828_debug & 4)
		printk(KERN_INFO "%s() I2C Debugging is enabled\n", __func__);

	if (au0828_debug & 8)
		printk(KERN_INFO "%s() Bridge Debugging is enabled\n",
		       __func__);

	if (au0828_debug & 16)
		printk(KERN_INFO "%s() IR Debugging is enabled\n",
		       __func__);

	printk(KERN_INFO "au0828 driver loaded\n");

	ret = usb_register(&au0828_usb_driver);
	if (ret)
		printk(KERN_ERR "usb_register failed, error = %d\n", ret);

	return ret;
}

static void __exit au0828_exit(void)
{
	usb_deregister(&au0828_usb_driver);
}

module_init(au0828_init);
module_exit(au0828_exit);

MODULE_DESCRIPTION("Driver for Auvitek AU0828 based products");
MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>");
MODULE_LICENSE("GPL");
MODULE_VERSION("0.0.3");
Commit	Line	Data
265a6510 ST	1	/*
	2	* Driver for the Auvitek USB bridge
	3	*
6d897616	4	* Copyright (c) 2008 Steven Toth <stoth@linuxtv.org>
265a6510 ST	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	*
	15	* GNU General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with this program; if not, write to the Free Software
	19	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
	20	*/
	21
	22	#include <linux/module.h>
5a0e3ad6	23	#include <linux/slab.h>
265a6510 ST	24	#include <linux/videodev2.h>
	25	#include <media/v4l2-common.h>
	26	#include <linux/mutex.h>
	27
	28	#include "au0828.h"
	29
bc3c613c ST	30	/*
	31	* 1 = General debug messages
	32	* 2 = USB handling
	33	* 4 = I2C related
	34	* 8 = Bridge related
2fcfd317	35	* 16 = IR related
bc3c613c	36	*/
b33d24c4 AB	37	int au0828_debug;
b33d24c4 AB	38	module_param_named(debug, au0828_debug, int, 0644);
2fcfd317 MCC	39	MODULE_PARM_DESC(debug,
2fcfd317 MCC	40	"set debug bitmask: 1=general, 2=USB, 4=I2C, 8=bridge, 16=IR");
265a6510	41
d6a9a430 DH	42	static unsigned int disable_usb_speed_check;
	43	module_param(disable_usb_speed_check, int, 0444);
	44	MODULE_PARM_DESC(disable_usb_speed_check,
	45	"override min bandwidth requirement of 480M bps");
	46
265a6510 ST	47	#define _AU0828_BULKPIPE 0x03
	48	#define _BULKPIPESIZE 0xffff
	49
	50	static int send_control_msg(struct au0828_dev *dev, u16 request, u32 value,
8ff63de6	51	u16 index);
265a6510 ST	52	static int recv_control_msg(struct au0828_dev *dev, u16 request, u32 value,
	53	u16 index, unsigned char *cp, u16 size);
	54
	55	/* USB Direction */
	56	#define CMD_REQUEST_IN 0x00
	57	#define CMD_REQUEST_OUT 0x01
	58
	59	u32 au0828_readreg(struct au0828_dev *dev, u16 reg)
	60	{
77fc2863 DH	61	u8 result = 0;
	62
	63	recv_control_msg(dev, CMD_REQUEST_IN, 0, reg, &result, 1);
	64	dprintk(8, "%s(0x%04x) = 0x%02x\n", __func__, reg, result);
	65
	66	return result;
265a6510 ST	67	}
	68
	69	u32 au0828_writereg(struct au0828_dev *dev, u16 reg, u32 val)
	70	{
b80f770a	71	dprintk(8, "%s(0x%04x, 0x%02x)\n", __func__, reg, val);
8ff63de6	72	return send_control_msg(dev, CMD_REQUEST_OUT, val, reg);
265a6510 ST	73	}
265a6510 ST	74
265a6510	75	static int send_control_msg(struct au0828_dev *dev, u16 request, u32 value,
8ff63de6	76	u16 index)
265a6510 ST	77	{
265a6510 ST	78	int status = -ENODEV;
8ff63de6	79
265a6510 ST	80	if (dev->usbdev) {
	81
	82	/* cp must be memory that has been allocated by kmalloc */
	83	status = usb_control_msg(dev->usbdev,
	84	usb_sndctrlpipe(dev->usbdev, 0),
	85	request,
a8eb912c ST	86	USB_DIR_OUT \| USB_TYPE_VENDOR \|
a8eb912c ST	87	USB_RECIP_DEVICE,
8ff63de6	88	value, index, NULL, 0, 1000);
265a6510 ST	89
	90	status = min(status, 0);
	91
	92	if (status < 0) {
bc3c613c	93	printk(KERN_ERR "%s() Failed sending control message, error %d.\n",
f07e8e4b	94	__func__, status);
265a6510 ST	95	}
	96
	97	}
8ff63de6	98
265a6510 ST	99	return status;
	100	}
	101
	102	static int recv_control_msg(struct au0828_dev *dev, u16 request, u32 value,
	103	u16 index, unsigned char *cp, u16 size)
	104	{
	105	int status = -ENODEV;
	106	mutex_lock(&dev->mutex);
	107	if (dev->usbdev) {
265a6510 ST	108	status = usb_control_msg(dev->usbdev,
	109	usb_rcvctrlpipe(dev->usbdev, 0),
	110	request,
	111	USB_DIR_IN \| USB_TYPE_VENDOR \| USB_RECIP_DEVICE,
	112	value, index,
77fc2863	113	dev->ctrlmsg, size, 1000);
265a6510 ST	114
	115	status = min(status, 0);
	116
	117	if (status < 0) {
bc3c613c	118	printk(KERN_ERR "%s() Failed receiving control message, error %d.\n",
f07e8e4b	119	__func__, status);
77fc2863 DH	120	}
	121
	122	/* the host controller requires heap allocated memory, which
	123	is why we didn't just pass "cp" into usb_control_msg */
	124	memcpy(cp, dev->ctrlmsg, size);
265a6510 ST	125	}
	126	mutex_unlock(&dev->mutex);
	127	return status;
	128	}
a9c36aad	129
823beb7e	130	static void au0828_usb_release(struct au0828_dev *dev)
265a6510	131	{
265a6510 ST	132	/* I2C */
	133	au0828_i2c_unregister(dev);
	134
823beb7e HV	135	kfree(dev);
	136	}
	137
8a4e7866	138	#ifdef CONFIG_VIDEO_AU0828_V4L2
823beb7e HV	139	static void au0828_usb_v4l2_release(struct v4l2_device *v4l2_dev)
	140	{
	141	struct au0828_dev *dev =
	142	container_of(v4l2_dev, struct au0828_dev, v4l2_dev);
	143
e8c26f45	144	v4l2_ctrl_handler_free(&dev->v4l2_ctrl_hdl);
b14667f3	145	v4l2_device_unregister(&dev->v4l2_dev);
823beb7e HV	146	au0828_usb_release(dev);
823beb7e HV	147	}
8a4e7866	148	#endif
b14667f3	149
823beb7e HV	150	static void au0828_usb_disconnect(struct usb_interface *interface)
	151	{
	152	struct au0828_dev *dev = usb_get_intfdata(interface);
	153
	154	dprintk(1, "%s()\n", __func__);
	155
2fcfd317	156	au0828_rc_unregister(dev);
823beb7e HV	157	/* Digital TV */
823beb7e HV	158	au0828_dvb_unregister(dev);
265a6510	159
823beb7e	160	usb_set_intfdata(interface, NULL);
265a6510 ST	161	mutex_lock(&dev->mutex);
	162	dev->usbdev = NULL;
	163	mutex_unlock(&dev->mutex);
823beb7e HV	164	#ifdef CONFIG_VIDEO_AU0828_V4L2
	165	if (AUVI_INPUT(0).type != AU0828_VMUX_UNDEFINED) {
	166	au0828_analog_unregister(dev);
	167	v4l2_device_disconnect(&dev->v4l2_dev);
	168	v4l2_device_put(&dev->v4l2_dev);
	169	return;
	170	}
	171	#endif
	172	au0828_usb_release(dev);
265a6510 ST	173	}
265a6510 ST	174
18d73c58	175	static int au0828_usb_probe(struct usb_interface *interface,
265a6510 ST	176	const struct usb_device_id *id)
265a6510 ST	177	{
8a4e7866	178	int ifnum;
f251b3e7 TM	179	int retval = 0;
f251b3e7 TM	180
265a6510 ST	181	struct au0828_dev *dev;
	182	struct usb_device *usbdev = interface_to_usbdev(interface);
	183
	184	ifnum = interface->altsetting->desc.bInterfaceNumber;
	185
	186	if (ifnum != 0)
	187	return -ENODEV;
	188
a9c36aad	189	dprintk(1, "%s() vendor id 0x%x device id 0x%x ifnum:%d\n", __func__,
265a6510 ST	190	le16_to_cpu(usbdev->descriptor.idVendor),
	191	le16_to_cpu(usbdev->descriptor.idProduct),
	192	ifnum);
	193
ee3436b8 DH	194	/*
	195	* Make sure we have 480 Mbps of bandwidth, otherwise things like
	196	* video stream wouldn't likely work, since 12 Mbps is generally
	197	* not enough even for most Digital TV streams.
	198	*/
d6a9a430	199	if (usbdev->speed != USB_SPEED_HIGH && disable_usb_speed_check == 0) {
ee3436b8 DH	200	printk(KERN_ERR "au0828: Device initialization failed.\n");
	201	printk(KERN_ERR "au0828: Device must be connected to a "
	202	"high-speed USB 2.0 port.\n");
	203	return -ENODEV;
	204	}
	205
265a6510 ST	206	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
265a6510 ST	207	if (dev == NULL) {
f07e8e4b	208	printk(KERN_ERR "%s() Unable to allocate memory\n", __func__);
265a6510 ST	209	return -ENOMEM;
	210	}
	211
549ee4df DH	212	mutex_init(&dev->lock);
549ee4df DH	213	mutex_lock(&dev->lock);
265a6510 ST	214	mutex_init(&dev->mutex);
	215	mutex_init(&dev->dvb.lock);
	216	dev->usbdev = usbdev;
f1add5b5	217	dev->boardnr = id->driver_info;
265a6510	218
8a4e7866	219	#ifdef CONFIG_VIDEO_AU0828_V4L2
823beb7e HV	220	dev->v4l2_dev.release = au0828_usb_v4l2_release;
823beb7e HV	221
b14667f3	222	/* Create the v4l2_device */
a4124aa9	223	retval = v4l2_device_register(&interface->dev, &dev->v4l2_dev);
b14667f3	224	if (retval) {
e8c26f45	225	pr_err("%s() v4l2_device_register failed\n",
b14667f3	226	__func__);
549ee4df	227	mutex_unlock(&dev->lock);
b14667f3	228	kfree(dev);
e8c26f45	229	return retval;
b14667f3	230	}
e8c26f45 HV	231	/* This control handler will inherit the controls from au8522 */
	232	retval = v4l2_ctrl_handler_init(&dev->v4l2_ctrl_hdl, 4);
	233	if (retval) {
	234	pr_err("%s() v4l2_ctrl_handler_init failed\n",
	235	__func__);
	236	mutex_unlock(&dev->lock);
	237	kfree(dev);
	238	return retval;
	239	}
	240	dev->v4l2_dev.ctrl_handler = &dev->v4l2_ctrl_hdl;
8a4e7866	241	#endif
b14667f3	242
265a6510 ST	243	/* Power Up the bridge */
	244	au0828_write(dev, REG_600, 1 << 4);
	245
	246	/* Bring up the GPIO's and supporting devices */
	247	au0828_gpio_setup(dev);
	248
	249	/* I2C */
	250	au0828_i2c_register(dev);
	251
28930fa9 ST	252	/* Setup */
	253	au0828_card_setup(dev);
	254
8a4e7866	255	#ifdef CONFIG_VIDEO_AU0828_V4L2
8b2f0795	256	/* Analog TV */
220be77c	257	if (AUVI_INPUT(0).type != AU0828_VMUX_UNDEFINED)
fc4ce6cd	258	au0828_analog_register(dev, interface);
8a4e7866	259	#endif
8b2f0795	260
265a6510	261	/* Digital TV */
f251b3e7 TM	262	retval = au0828_dvb_register(dev);
	263	if (retval)
	264	pr_err("%s() au0282_dev_register failed\n",
	265	__func__);
	266
2fcfd317 MCC	267	/* Remote controller */
2fcfd317 MCC	268	au0828_rc_register(dev);
265a6510	269
2fcfd317 MCC	270	/*
	271	* Store the pointer to the au0828_dev so it can be accessed in
	272	* au0828_usb_disconnect
	273	*/
fe78a49c DH	274	usb_set_intfdata(interface, dev);
fe78a49c DH	275
bc3c613c	276	printk(KERN_INFO "Registered device AU0828 [%s]\n",
f1add5b5	277	dev->board.name == NULL ? "Unset" : dev->board.name);
265a6510	278
549ee4df DH	279	mutex_unlock(&dev->lock);
549ee4df DH	280
f251b3e7	281	return retval;
265a6510 ST	282	}
265a6510 ST	283
aaeac199 MCC	284	static int au0828_suspend(struct usb_interface *interface,
	285	pm_message_t message)
	286	{
	287	struct au0828_dev *dev = usb_get_intfdata(interface);
	288
	289	if (!dev)
	290	return 0;
	291
	292	au0828_rc_suspend(dev);
1a1ba95e	293	au0828_v4l2_suspend(dev);
b799de75	294	au0828_dvb_suspend(dev);
aaeac199 MCC	295
	296	/* FIXME: should suspend also ATV/DTV */
	297
	298	return 0;
	299	}
	300
	301	static int au0828_resume(struct usb_interface *interface)
	302	{
	303	struct au0828_dev *dev = usb_get_intfdata(interface);
	304	if (!dev)
	305	return 0;
	306
fa500461 MCC	307	/* Power Up the bridge */
	308	au0828_write(dev, REG_600, 1 << 4);
	309
	310	/* Bring up the GPIO's and supporting devices */
	311	au0828_gpio_setup(dev);
	312
aaeac199	313	au0828_rc_resume(dev);
1a1ba95e	314	au0828_v4l2_resume(dev);
b799de75	315	au0828_dvb_resume(dev);
aaeac199 MCC	316
	317	/* FIXME: should resume also ATV/DTV */
	318
	319	return 0;
	320	}
	321
265a6510 ST	322	static struct usb_driver au0828_usb_driver = {
	323	.name = DRIVER_NAME,
	324	.probe = au0828_usb_probe,
	325	.disconnect = au0828_usb_disconnect,
	326	.id_table = au0828_usb_id_table,
aaeac199 MCC	327	.suspend = au0828_suspend,
	328	.resume = au0828_resume,
	329	.reset_resume = au0828_resume,
265a6510 ST	330	};
	331
	332	static int __init au0828_init(void)
	333	{
	334	int ret;
	335
b33d24c4	336	if (au0828_debug & 1)
f07e8e4b	337	printk(KERN_INFO "%s() Debugging is enabled\n", __func__);
bc3c613c	338
b33d24c4	339	if (au0828_debug & 2)
f07e8e4b	340	printk(KERN_INFO "%s() USB Debugging is enabled\n", __func__);
bc3c613c	341
b33d24c4	342	if (au0828_debug & 4)
f07e8e4b	343	printk(KERN_INFO "%s() I2C Debugging is enabled\n", __func__);
bc3c613c	344
b33d24c4	345	if (au0828_debug & 8)
f07e8e4b MK	346	printk(KERN_INFO "%s() Bridge Debugging is enabled\n",
f07e8e4b MK	347	__func__);
bc3c613c	348
2fcfd317 MCC	349	if (au0828_debug & 16)
	350	printk(KERN_INFO "%s() IR Debugging is enabled\n",
	351	__func__);
	352
bc3c613c	353	printk(KERN_INFO "au0828 driver loaded\n");
265a6510 ST	354
	355	ret = usb_register(&au0828_usb_driver);
	356	if (ret)
bc3c613c	357	printk(KERN_ERR "usb_register failed, error = %d\n", ret);
265a6510 ST	358
	359	return ret;
	360	}
	361
	362	static void __exit au0828_exit(void)
	363	{
	364	usb_deregister(&au0828_usb_driver);
	365	}
	366
	367	module_init(au0828_init);
	368	module_exit(au0828_exit);
	369
	370	MODULE_DESCRIPTION("Driver for Auvitek AU0828 based products");
6d897616	371	MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>");
265a6510	372	MODULE_LICENSE("GPL");
2fcfd317	373	MODULE_VERSION("0.0.3");