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path: root/drivers/media/video/au0828/au0828-core.c
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Diffstat (limited to 'drivers/media/video/au0828/au0828-core.c')
-rw-r--r--drivers/media/video/au0828/au0828-core.c295
1 files changed, 0 insertions, 295 deletions
diff --git a/drivers/media/video/au0828/au0828-core.c b/drivers/media/video/au0828/au0828-core.c
deleted file mode 100644
index 1e4ce5068ec2..000000000000
--- a/drivers/media/video/au0828/au0828-core.c
+++ /dev/null
@@ -1,295 +0,0 @@
-/*
- * 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
- */
-int au0828_debug;
-module_param_named(debug, au0828_debug, int, 0644);
-MODULE_PARM_DESC(debug, "enable debug messages");
-
-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, unsigned char *cp, u16 size);
-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)
-{
- recv_control_msg(dev, CMD_REQUEST_IN, 0, reg, dev->ctrlmsg, 1);
- dprintk(8, "%s(0x%04x) = 0x%02x\n", __func__, reg, dev->ctrlmsg[0]);
- return dev->ctrlmsg[0];
-}
-
-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,
- dev->ctrlmsg, 0);
-}
-
-static void cmd_msg_dump(struct au0828_dev *dev)
-{
- int i;
-
- for (i = 0; i < sizeof(dev->ctrlmsg); i += 16)
- dprintk(2, "%s() %02x %02x %02x %02x %02x %02x %02x %02x "
- "%02x %02x %02x %02x %02x %02x %02x %02x\n",
- __func__,
- dev->ctrlmsg[i+0], dev->ctrlmsg[i+1],
- dev->ctrlmsg[i+2], dev->ctrlmsg[i+3],
- dev->ctrlmsg[i+4], dev->ctrlmsg[i+5],
- dev->ctrlmsg[i+6], dev->ctrlmsg[i+7],
- dev->ctrlmsg[i+8], dev->ctrlmsg[i+9],
- dev->ctrlmsg[i+10], dev->ctrlmsg[i+11],
- dev->ctrlmsg[i+12], dev->ctrlmsg[i+13],
- dev->ctrlmsg[i+14], dev->ctrlmsg[i+15]);
-}
-
-static int send_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) {
-
- /* 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,
- cp, size, 1000);
-
- status = min(status, 0);
-
- if (status < 0) {
- printk(KERN_ERR "%s() Failed sending control message, error %d.\n",
- __func__, status);
- }
-
- }
- mutex_unlock(&dev->mutex);
- 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) {
-
- memset(dev->ctrlmsg, 0, sizeof(dev->ctrlmsg));
-
- /* cp must be memory that has been allocated by kmalloc */
- status = usb_control_msg(dev->usbdev,
- usb_rcvctrlpipe(dev->usbdev, 0),
- request,
- USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
- value, index,
- cp, size, 1000);
-
- status = min(status, 0);
-
- if (status < 0) {
- printk(KERN_ERR "%s() Failed receiving control message, error %d.\n",
- __func__, status);
- } else
- cmd_msg_dump(dev);
- }
- mutex_unlock(&dev->mutex);
- return status;
-}
-
-static void au0828_usb_disconnect(struct usb_interface *interface)
-{
- struct au0828_dev *dev = usb_get_intfdata(interface);
-
- dprintk(1, "%s()\n", __func__);
-
- /* Digital TV */
- au0828_dvb_unregister(dev);
-
- if (AUVI_INPUT(0).type != AU0828_VMUX_UNDEFINED)
- au0828_analog_unregister(dev);
-
- /* I2C */
- au0828_i2c_unregister(dev);
-
- v4l2_device_unregister(&dev->v4l2_dev);
-
- usb_set_intfdata(interface, NULL);
-
- mutex_lock(&dev->mutex);
- dev->usbdev = NULL;
- mutex_unlock(&dev->mutex);
-
- kfree(dev);
-
-}
-
-static int au0828_usb_probe(struct usb_interface *interface,
- const struct usb_device_id *id)
-{
- int ifnum, retval;
- 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->mutex);
- mutex_init(&dev->dvb.lock);
- dev->usbdev = usbdev;
- dev->boardnr = id->driver_info;
-
- /* Create the v4l2_device */
- retval = v4l2_device_register(&interface->dev, &dev->v4l2_dev);
- if (retval) {
- printk(KERN_ERR "%s() v4l2_device_register failed\n",
- __func__);
- kfree(dev);
- return -EIO;
- }
-
- /* 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);
-
- /* Analog TV */
- if (AUVI_INPUT(0).type != AU0828_VMUX_UNDEFINED)
- au0828_analog_register(dev, interface);
-
- /* Digital TV */
- au0828_dvb_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);
-
- 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,
-};
-
-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__);
-
- 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("0.0.2");
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-26 04:32:57 +0000