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|
/*
tm6000-cards.c - driver for TM5600/TM6000 USB video capture devices
Copyright (C) 2006-2007 Mauro Carvalho Chehab <mchehab@infradead.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 version 2
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/init.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/delay.h>
#include <linux/i2c.h>
#include <linux/usb.h>
#include <linux/version.h>
#include <media/v4l2-common.h>
#include <media/tuner.h>
#include "tm6000.h"
#include "tm6000-regs.h"
#include "tuner-xc2028.h"
#define TM6000_BOARD_UNKNOWN 0
#define TM5600_BOARD_GENERIC 1
#define TM6000_BOARD_GENERIC 2
#define TM5600_BOARD_10MOONS_UT821 3
#define TM5600_BOARD_10MOONS_UT330 4
#define TM6000_BOARD_ADSTECH_DUAL_TV 5
#define TM6000_BOARD_FREECOM_AND_SIMILAR 6
#define TM6000_BOARD_ADSTECH_MINI_DUAL_TV 7
#define TM6000_MAXBOARDS 16
static unsigned int card[] = {[0 ... (TM6000_MAXBOARDS - 1)] = UNSET };
module_param_array(card, int, NULL, 0444);
static unsigned long tm6000_devused;
struct tm6000_board {
char *name;
struct tm6000_capabilities caps;
int tuner_type; /* type of the tuner */
int tuner_addr; /* tuner address */
int demod_addr; /* demodulator address */
int gpio_addr_tun_reset; /* GPIO used for tuner reset */
};
struct tm6000_board tm6000_boards[] = {
[TM6000_BOARD_UNKNOWN] = {
.name = "Unknown tm6000 video grabber",
.caps = {
.has_tuner = 1,
},
.gpio_addr_tun_reset = TM6000_GPIO_1,
},
[TM5600_BOARD_GENERIC] = {
.name = "Generic tm5600 board",
.tuner_type = TUNER_XC2028,
.tuner_addr = 0xc2,
.caps = {
.has_tuner = 1,
},
.gpio_addr_tun_reset = TM6000_GPIO_1,
},
[TM6000_BOARD_GENERIC] = {
.name = "Generic tm6000 board",
.tuner_type = TUNER_XC2028,
.tuner_addr = 0xc2,
.caps = {
.has_tuner = 1,
.has_dvb = 1,
},
.gpio_addr_tun_reset = TM6000_GPIO_1,
},
[TM5600_BOARD_10MOONS_UT821] = {
.name = "10Moons UT 821",
.tuner_type = TUNER_XC2028,
.tuner_addr = 0xc2,
.caps = {
.has_tuner = 1,
.has_eeprom = 1,
},
.gpio_addr_tun_reset = TM6000_GPIO_1,
},
[TM5600_BOARD_10MOONS_UT330] = {
.name = "10Moons UT 330",
.tuner_type = TUNER_PHILIPS_FQ1216AME_MK4,
.tuner_addr = 0xc8,
.caps = {
.has_tuner = 1,
.has_dvb = 0,
.has_zl10353 = 0,
.has_eeprom = 1,
},
},
[TM6000_BOARD_ADSTECH_DUAL_TV] = {
.name = "ADSTECH Dual TV USB",
.tuner_type = TUNER_XC2028,
.tuner_addr = 0xc8,
.caps = {
.has_tuner = 1,
.has_tda9874 = 1,
.has_dvb = 1,
.has_zl10353 = 1,
.has_eeprom = 1,
},
},
[TM6000_BOARD_FREECOM_AND_SIMILAR] = {
.name = "Freecom Hybrid Stick / Moka DVB-T Receiver Dual",
.tuner_type = TUNER_XC2028, /* has a XC3028 */
.tuner_addr = 0xc2,
.demod_addr = 0x1e,
.caps = {
.has_tuner = 1,
.has_dvb = 1,
.has_zl10353 = 1,
.has_eeprom = 0,
.has_remote = 1,
},
.gpio_addr_tun_reset = TM6000_GPIO_4,
},
[TM6000_BOARD_ADSTECH_MINI_DUAL_TV] = {
.name = "ADSTECH Mini Dual TV USB",
.tuner_type = TUNER_XC2028, /* has a XC3028 */
.tuner_addr = 0xc8,
.demod_addr = 0x1e,
.caps = {
.has_tuner = 1,
.has_dvb = 1,
.has_zl10353 = 1,
.has_eeprom = 0,
},
.gpio_addr_tun_reset = TM6000_GPIO_4,
},
};
/* table of devices that work with this driver */
struct usb_device_id tm6000_id_table [] = {
{ USB_DEVICE(0x6000, 0x0001), .driver_info = TM5600_BOARD_10MOONS_UT821 },
{ USB_DEVICE(0x06e1, 0xf332), .driver_info = TM6000_BOARD_ADSTECH_DUAL_TV },
{ USB_DEVICE(0x14aa, 0x0620), .driver_info = TM6000_BOARD_FREECOM_AND_SIMILAR },
{ USB_DEVICE(0x06e1, 0xb339), .driver_info = TM6000_BOARD_ADSTECH_MINI_DUAL_TV },
{ },
};
static void tm6000_config_tuner (struct tm6000_core *dev)
{
struct v4l2_priv_tun_config xc2028_cfg;
struct xc2028_ctrl ctl;
memset (&ctl,0,sizeof(ctl));
request_module ("tuner");
if (dev->tuner_type == TUNER_XC2028) {
ctl.fname = "tm6000-xc3028.fw";
ctl.type = XC2028_FIRM_MTS;
xc2028_cfg.tuner = TUNER_XC2028;
xc2028_cfg.priv = &ctl;
printk(KERN_INFO "Setting firmware parameters for xc2028\n");
tm6000_i2c_call_clients(dev, TUNER_SET_CONFIG, &xc2028_cfg);
}
}
static int tm6000_init_dev(struct tm6000_core *dev)
{
struct v4l2_frequency f;
int rc = 0;
mutex_init(&dev->lock);
mutex_lock(&dev->lock);
/* Initializa board-specific data */
dev->tuner_type = tm6000_boards[dev->model].tuner_type;
dev->tuner_addr = tm6000_boards[dev->model].tuner_addr;
dev->tuner_reset_gpio = tm6000_boards[dev->model].gpio_addr_tun_reset;
dev->demod_addr = tm6000_boards[dev->model].demod_addr;
dev->caps = tm6000_boards[dev->model].caps;
/* initialize hardware */
rc=tm6000_init (dev);
if (rc<0)
goto err;
/* register i2c bus */
rc=tm6000_i2c_register(dev);
if (rc<0)
goto err;
/* register and initialize V4L2 */
rc=tm6000_v4l2_register(dev);
if (rc<0)
goto err;
/* Default values for STD and resolutions */
dev->width = 720;
dev->height = 480;
dev->norm = V4L2_STD_PAL_M;
/* Configure tuner */
tm6000_config_tuner (dev);
/* Set video standard */
tm6000_i2c_call_clients(dev, VIDIOC_S_STD, &dev->norm);
/* Set tuner frequency - also loads firmware on xc2028/xc3028 */
f.tuner = 0;
f.type = V4L2_TUNER_ANALOG_TV;
f.frequency = 3092; /* 193.25 MHz */
dev->freq = f.frequency;
tm6000_i2c_call_clients(dev, VIDIOC_S_FREQUENCY, &f);
if(dev->caps.has_dvb) {
dev->dvb = kzalloc(sizeof(*(dev->dvb)), GFP_KERNEL);
if(!dev->dvb) {
rc = -ENOMEM;
goto err;
}
#ifdef CONFIG_VIDEO_TM6000_DVB
rc = tm6000_dvb_register(dev);
if(rc < 0) {
kfree(dev->dvb);
dev->dvb = NULL;
goto err;
}
#endif
}
err:
mutex_unlock(&dev->lock);
return rc;
}
/* high bandwidth multiplier, as encoded in highspeed endpoint descriptors */
#define hb_mult(wMaxPacketSize) (1 + (((wMaxPacketSize) >> 11) & 0x03))
static void get_max_endpoint ( struct usb_device *usbdev,
char *msgtype,
struct usb_host_endpoint *curr_e,
unsigned int *maxsize,
struct usb_host_endpoint **ep )
{
u16 tmp = le16_to_cpu(curr_e->desc.wMaxPacketSize);
unsigned int size = tmp & 0x7ff;
if (usbdev->speed == USB_SPEED_HIGH)
size = size * hb_mult (tmp);
if (size>*maxsize) {
*ep = curr_e;
*maxsize = size;
printk("tm6000: %s endpoint: 0x%02x (max size=%u bytes)\n",
msgtype, curr_e->desc.bEndpointAddress,
size);
}
}
/*
* tm6000_usb_probe()
* checks for supported devices
*/
static int tm6000_usb_probe(struct usb_interface *interface,
const struct usb_device_id *id)
{
struct usb_device *usbdev;
struct tm6000_core *dev = NULL;
int i,rc=0;
int nr=0;
char *speed;
usbdev=usb_get_dev(interface_to_usbdev(interface));
/* Selects the proper interface */
rc=usb_set_interface(usbdev,0,1);
if (rc<0)
goto err;
/* Check to see next free device and mark as used */
nr=find_first_zero_bit(&tm6000_devused,TM6000_MAXBOARDS);
if (nr >= TM6000_MAXBOARDS) {
printk ("tm6000: Supports only %i em28xx boards.\n",TM6000_MAXBOARDS);
usb_put_dev(usbdev);
return -ENOMEM;
}
/* Create and initialize dev struct */
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
if (dev == NULL) {
printk ("tm6000" ": out of memory!\n");
usb_put_dev(usbdev);
return -ENOMEM;
}
spin_lock_init(&dev->slock);
/* Increment usage count */
tm6000_devused|=1<<nr;
snprintf(dev->name, 29, "tm6000 #%d", nr);
dev->model=id->driver_info;
if ((card[nr]>=0) && (card[nr]<ARRAY_SIZE(tm6000_boards))) {
dev->model=card[nr];
}
INIT_LIST_HEAD(&dev->tm6000_corelist);
dev->udev= usbdev;
dev->devno=nr;
switch (usbdev->speed) {
case USB_SPEED_LOW:
speed = "1.5";
break;
case USB_SPEED_UNKNOWN:
case USB_SPEED_FULL:
speed = "12";
break;
case USB_SPEED_HIGH:
speed = "480";
break;
default:
speed = "unknown";
}
/* Get endpoints */
for (i = 0; i < interface->num_altsetting; i++) {
int ep;
for (ep = 0; ep < interface->altsetting[i].desc.bNumEndpoints; ep++) {
struct usb_host_endpoint *e;
int dir_out;
e = &interface->altsetting[i].endpoint[ep];
dir_out = ((e->desc.bEndpointAddress &
USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT);
printk("tm6000: alt %d, interface %i, class %i\n",
i,
interface->altsetting[i].desc.bInterfaceNumber,
interface->altsetting[i].desc.bInterfaceClass);
switch (e->desc.bmAttributes) {
case USB_ENDPOINT_XFER_BULK:
if (!dir_out) {
get_max_endpoint (usbdev, "Bulk IN", e,
&dev->max_bulk_in,
&dev->bulk_in);
} else {
get_max_endpoint (usbdev, "Bulk OUT", e,
&dev->max_bulk_out,
&dev->bulk_out);
}
break;
case USB_ENDPOINT_XFER_ISOC:
if (!dir_out) {
get_max_endpoint (usbdev, "ISOC IN", e,
&dev->max_isoc_in,
&dev->isoc_in);
} else {
get_max_endpoint (usbdev, "ISOC OUT", e,
&dev->max_isoc_out,
&dev->isoc_out);
}
break;
}
}
}
if (interface->altsetting->desc.bAlternateSetting) {
printk("selecting alt setting %d\n",
interface->altsetting->desc.bAlternateSetting);
rc = usb_set_interface (usbdev,
interface->altsetting->desc.bInterfaceNumber,
interface->altsetting->desc.bAlternateSetting);
if (rc<0)
goto err;
}
printk("tm6000: New video device @ %s Mbps (%04x:%04x, ifnum %d)\n",
speed,
le16_to_cpu(dev->udev->descriptor.idVendor),
le16_to_cpu(dev->udev->descriptor.idProduct),
interface->altsetting->desc.bInterfaceNumber);
/* check if the the device has the iso in endpoint at the correct place */
if (!dev->isoc_in) {
printk("tm6000: probing error: no IN ISOC endpoint!\n");
rc= -ENODEV;
goto err;
}
/* save our data pointer in this interface device */
usb_set_intfdata(interface, dev);
printk("tm6000: Found %s\n", tm6000_boards[dev->model].name);
rc=tm6000_init_dev(dev);
if (rc<0)
goto err;
return 0;
err:
tm6000_devused&=~(1<<nr);
usb_put_dev(usbdev);
kfree(dev);
return rc;
}
/*
* tm6000_usb_disconnect()
* called when the device gets diconencted
* video device will be unregistered on v4l2_close in case it is still open
*/
static void tm6000_usb_disconnect(struct usb_interface *interface)
{
struct tm6000_core *dev = usb_get_intfdata(interface);
usb_set_intfdata(interface, NULL);
if (!dev)
return;
printk("tm6000: disconnecting %s\n", dev->name);
mutex_lock(&dev->lock);
#ifdef CONFIG_VIDEO_TM6000_DVB
if(dev->dvb) {
tm6000_dvb_unregister(dev);
kfree(dev->dvb);
}
#endif
tm6000_v4l2_unregister(dev);
tm6000_i2c_unregister(dev);
// wake_up_interruptible_all(&dev->open);
dev->state |= DEV_DISCONNECTED;
usb_put_dev(dev->udev);
mutex_unlock(&dev->lock);
kfree(dev);
}
static struct usb_driver tm6000_usb_driver = {
.name = "tm6000",
.probe = tm6000_usb_probe,
.disconnect = tm6000_usb_disconnect,
.id_table = tm6000_id_table,
};
static int __init tm6000_module_init(void)
{
int result;
printk(KERN_INFO "tm6000" " v4l2 driver version %d.%d.%d loaded\n",
(TM6000_VERSION >> 16) & 0xff,
(TM6000_VERSION >> 8) & 0xff, TM6000_VERSION & 0xff);
/* register this driver with the USB subsystem */
result = usb_register(&tm6000_usb_driver);
if (result)
printk("tm6000"
" usb_register failed. Error number %d.\n", result);
return result;
}
static void __exit tm6000_module_exit(void)
{
/* deregister at USB subsystem */
usb_deregister(&tm6000_usb_driver);
}
module_init(tm6000_module_init);
module_exit(tm6000_module_exit);
MODULE_DESCRIPTION("Trident TVMaster TM5600/TM6000 USB2 adapter");
MODULE_AUTHOR("Mauro Carvalho Chehab");
MODULE_LICENSE("GPL");
|