Exemplo n.º 1
0
/* init + register i2c algo-bit adapter */
int au0828_i2c_register(struct au0828_dev *dev)
{
	dprintk(1, "%s()\n", __func__);

	memcpy(&dev->i2c_adap, &au0828_i2c_adap_template,
	       sizeof(dev->i2c_adap));
	memcpy(&dev->i2c_algo, &au0828_i2c_algo_template,
	       sizeof(dev->i2c_algo));
	memcpy(&dev->i2c_client, &au0828_i2c_client_template,
	       sizeof(dev->i2c_client));

	dev->i2c_adap.dev.parent = &dev->usbdev->dev;

	strlcpy(dev->i2c_adap.name, DRIVER_NAME,
		sizeof(dev->i2c_adap.name));

	dev->i2c_adap.algo = &dev->i2c_algo;
	dev->i2c_adap.algo_data = dev;
	i2c_set_adapdata(&dev->i2c_adap, &dev->v4l2_dev);
	i2c_add_adapter(&dev->i2c_adap);

	dev->i2c_client.adapter = &dev->i2c_adap;

	if (0 == dev->i2c_rc) {
		printk(KERN_INFO "%s: i2c bus registered\n", DRIVER_NAME);
		if (i2c_scan)
			do_i2c_scan(DRIVER_NAME, &dev->i2c_client);
	} else
		printk(KERN_INFO "%s: i2c bus register FAILED\n", DRIVER_NAME);

	return dev->i2c_rc;
}
Exemplo n.º 2
0
/* init + register i2c algo-bit adapter */
int cx23885_i2c_register(struct cx23885_i2c *bus)
{
	struct cx23885_dev *dev = bus->dev;

	dprintk(1, "%s(bus = %d)\n", __func__, bus->nr);

	memcpy(&bus->i2c_adap, &cx23885_i2c_adap_template,
	       sizeof(bus->i2c_adap));
	memcpy(&bus->i2c_algo, &cx23885_i2c_algo_template,
	       sizeof(bus->i2c_algo));
	memcpy(&bus->i2c_client, &cx23885_i2c_client_template,
	       sizeof(bus->i2c_client));

	bus->i2c_adap.dev.parent = &dev->pci->dev;

	strlcpy(bus->i2c_adap.name, bus->dev->name,
		sizeof(bus->i2c_adap.name));

	bus->i2c_algo.data = bus;
	bus->i2c_adap.algo_data = bus;
	i2c_set_adapdata(&bus->i2c_adap, &dev->v4l2_dev);
	i2c_add_adapter(&bus->i2c_adap);

	bus->i2c_client.adapter = &bus->i2c_adap;

	if (0 == bus->i2c_rc) {
		dprintk(1, "%s: i2c bus %d registered\n", dev->name, bus->nr);
		if (i2c_scan) {
			printk(KERN_INFO "%s: scan bus %d:\n",
					dev->name, bus->nr);
			do_i2c_scan(dev->name, &bus->i2c_client);
		}
	} else
		printk(KERN_WARNING "%s: i2c bus %d register FAILED\n",
			dev->name, bus->nr);

	/* Instantiate the IR receiver device, if present */
	if (0 == bus->i2c_rc) {
		struct i2c_board_info info;
		const unsigned short addr_list[] = {
			0x6b, I2C_CLIENT_END
		};

		memset(&info, 0, sizeof(struct i2c_board_info));
		strlcpy(info.type, "ir_video", I2C_NAME_SIZE);
		/* Use quick read command for probe, some IR chips don't
		 * support writes */
		i2c_new_probed_device(&bus->i2c_adap, &info, addr_list,
				      i2c_probe_func_quick_read);
	}

	return bus->i2c_rc;
}
Exemplo n.º 3
0
/* init + register i2c algo-bit adapter */
int cx88_i2c_init(struct cx88_core *core, struct pci_dev *pci)
{
	/* Prevents usage of invalid delay values */
	if (i2c_udelay<5)
		i2c_udelay=5;

	memcpy(&core->i2c_algo, &cx8800_i2c_algo_template,
	       sizeof(core->i2c_algo));


	core->i2c_adap.dev.parent = &pci->dev;
	strlcpy(core->i2c_adap.name,core->name,sizeof(core->i2c_adap.name));
	core->i2c_adap.owner = THIS_MODULE;
	core->i2c_adap.id = I2C_HW_B_CX2388x;
	core->i2c_algo.udelay = i2c_udelay;
	core->i2c_algo.data = core;
	i2c_set_adapdata(&core->i2c_adap, &core->v4l2_dev);
	core->i2c_adap.algo_data = &core->i2c_algo;
	core->i2c_client.adapter = &core->i2c_adap;
	strlcpy(core->i2c_client.name, "cx88xx internal", I2C_NAME_SIZE);

	cx8800_bit_setscl(core,1);
	cx8800_bit_setsda(core,1);

	core->i2c_rc = i2c_bit_add_bus(&core->i2c_adap);
	if (0 == core->i2c_rc) {
		static u8 tuner_data[] =
			{ 0x0b, 0xdc, 0x86, 0x52 };
		static struct i2c_msg tuner_msg =
			{ .flags = 0, .addr = 0xc2 >> 1, .buf = tuner_data, .len = 4 };

		dprintk(1, "i2c register ok\n");
		switch( core->boardnr ) {
			case CX88_BOARD_HAUPPAUGE_HVR1300:
			case CX88_BOARD_HAUPPAUGE_HVR3000:
			case CX88_BOARD_HAUPPAUGE_HVR4000:
				printk("%s: i2c init: enabling analog demod on HVR1300/3000/4000 tuner\n",
					core->name);
				i2c_transfer(core->i2c_client.adapter, &tuner_msg, 1);
				break;
			default:
				break;
		}
		if (i2c_scan)
			do_i2c_scan(core->name,&core->i2c_client);
	} else
		printk("%s: i2c register FAILED\n", core->name);

	return core->i2c_rc;
}
Exemplo n.º 4
0
/* init + register i2c algo-bit adapter */
int __devinit init_bttv_i2c(struct bttv *btv)
{
	strlcpy(btv->i2c_client.name, "bttv internal", I2C_NAME_SIZE);

	if (i2c_hw)
		btv->use_i2c_hw = 1;
	if (btv->use_i2c_hw) {
		/* bt878 */
		strlcpy(btv->c.i2c_adap.name, "bt878",
			sizeof(btv->c.i2c_adap.name));
		btv->c.i2c_adap.algo = &bttv_algo;
	} else {
		/* bt848 */
	/* Prevents usage of invalid delay values */
		if (i2c_udelay<5)
			i2c_udelay=5;

		strlcpy(btv->c.i2c_adap.name, "bttv",
			sizeof(btv->c.i2c_adap.name));
		memcpy(&btv->i2c_algo, &bttv_i2c_algo_bit_template,
		       sizeof(bttv_i2c_algo_bit_template));
		btv->i2c_algo.udelay = i2c_udelay;
		btv->i2c_algo.data = btv;
		btv->c.i2c_adap.algo_data = &btv->i2c_algo;
	}
	btv->c.i2c_adap.owner = THIS_MODULE;

	btv->c.i2c_adap.dev.parent = &btv->c.pci->dev;
	snprintf(btv->c.i2c_adap.name, sizeof(btv->c.i2c_adap.name),
		 "bt%d #%d [%s]", btv->id, btv->c.nr,
		 btv->use_i2c_hw ? "hw" : "sw");

	i2c_set_adapdata(&btv->c.i2c_adap, &btv->c.v4l2_dev);
	btv->i2c_client.adapter = &btv->c.i2c_adap;


	if (btv->use_i2c_hw) {
		btv->i2c_rc = i2c_add_adapter(&btv->c.i2c_adap);
	} else {
		bttv_bit_setscl(btv,1);
		bttv_bit_setsda(btv,1);
		btv->i2c_rc = i2c_bit_add_bus(&btv->c.i2c_adap);
	}
	if (0 == btv->i2c_rc && i2c_scan)
		do_i2c_scan(btv->c.v4l2_dev.name, &btv->i2c_client);

	return btv->i2c_rc;
}
Exemplo n.º 5
0
int saa7134_i2c_register(struct saa7134_dev *dev)
{
	dev->i2c_adap = saa7134_adap_template;
	dev->i2c_adap.dev.parent = &dev->pci->dev;
	strcpy(dev->i2c_adap.name,dev->name);
	dev->i2c_adap.algo_data = dev;
	i2c_add_adapter(&dev->i2c_adap);

	dev->i2c_client = saa7134_client_template;
	dev->i2c_client.adapter = &dev->i2c_adap;

	saa7134_i2c_eeprom(dev,dev->eedata,sizeof(dev->eedata));
	if (i2c_scan)
		do_i2c_scan(dev->name,&dev->i2c_client);
	return 0;
}
int saa7134_i2c_register(struct saa7134_dev *dev)
{
	dev->i2c_adap = saa7134_adap_template;
	dev->i2c_adap.dev.parent = &dev->pci->dev;
	strcpy(dev->i2c_adap.name,dev->name);
	dev->i2c_adap.algo_data = dev;
	i2c_set_adapdata(&dev->i2c_adap, &dev->v4l2_dev);
	i2c_add_adapter(&dev->i2c_adap);

	dev->i2c_client = saa7134_client_template;
	dev->i2c_client.adapter = &dev->i2c_adap;

	saa7134_i2c_eeprom(dev,dev->eedata,sizeof(dev->eedata));
	if (i2c_scan)
		do_i2c_scan(dev->name,&dev->i2c_client);

	/* Instantiate the IR receiver device, if present */
	saa7134_probe_i2c_ir(dev);
	return 0;
}
Exemplo n.º 7
0
int
main(int argc, char *argv[])
{
	int fd;
	int ch, rflag;
	int mode;

	setprogname(*argv);

	rflag = 0;

	while ((ch = getopt(argc, argv, "r")) != -1)
		switch (ch) {
		case 'r':
			rflag = 1;
			break;
		default:
			break;
		}
	argv += optind;
	argc -= optind;

	if (rflag)
		mode = MODE_READ;
	else
		mode = MODE_DEFAULT;

	if (*argv == NULL)
		usage();

	fd = open(*argv, O_RDWR);
	if (fd == -1)
		err(EXIT_FAILURE, "couldn't open %s", *argv);

	do_i2c_scan(*argv, fd, mode);

	close(fd);

	return EXIT_SUCCESS;
}
Exemplo n.º 8
0
/* init + register i2c algo-bit adapter */
int cx23885_i2c_register(struct cx23885_i2c *bus)
{
	struct cx23885_dev *dev = bus->dev;

	dprintk(1, "%s(bus = %d)\n", __func__, bus->nr);

	memcpy(&bus->i2c_adap, &cx23885_i2c_adap_template,
	       sizeof(bus->i2c_adap));
	memcpy(&bus->i2c_algo, &cx23885_i2c_algo_template,
	       sizeof(bus->i2c_algo));
	memcpy(&bus->i2c_client, &cx23885_i2c_client_template,
	       sizeof(bus->i2c_client));

	bus->i2c_adap.dev.parent = &dev->pci->dev;

	strlcpy(bus->i2c_adap.name, bus->dev->name,
		sizeof(bus->i2c_adap.name));

	bus->i2c_algo.data = bus;
	bus->i2c_adap.algo_data = bus;
	i2c_set_adapdata(&bus->i2c_adap, &dev->v4l2_dev);
	i2c_add_adapter(&bus->i2c_adap);

	bus->i2c_client.adapter = &bus->i2c_adap;

	if (0 == bus->i2c_rc) {
		dprintk(1, "%s: i2c bus %d registered\n", dev->name, bus->nr);
		if (i2c_scan) {
			printk(KERN_INFO "%s: scan bus %d:\n",
					dev->name, bus->nr);
			do_i2c_scan(dev->name, &bus->i2c_client);
		}
	} else
		printk(KERN_WARNING "%s: i2c bus %d register FAILED\n",
			dev->name, bus->nr);

	/* Instantiate the IR receiver device, if present */
	if (0 == bus->i2c_rc) {
		struct i2c_board_info info;
		const unsigned short addr_list[] = {
			0x6b, I2C_CLIENT_END
		};

		memset(&info, 0, sizeof(struct i2c_board_info));
		strlcpy(info.type, "ir_video", I2C_NAME_SIZE);
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,35)
		/* Use quick read command for probe, some IR chips don't
		 * support writes */
		i2c_new_probed_device(&bus->i2c_adap, &info, addr_list,
				      i2c_probe_func_quick_read);
#else
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 30)			 
		/*
		 * We can't call i2c_new_probed_device() because it uses
		 * quick writes for probing and the IR receiver device only
		 * replies to reads.
		 */
		if (i2c_smbus_xfer(&bus->i2c_adap, addr_list[0], 0,
				   I2C_SMBUS_READ, 0, I2C_SMBUS_QUICK,
				   NULL) >= 0) {
			info.addr = addr_list[0];
			i2c_new_device(&bus->i2c_adap, &info);
		}
#endif
#endif
	}

	return bus->i2c_rc;
}