static int mxb_probe(struct saa7146_dev *dev)
{
struct mxb *mxb = NULL;
mxb = kzalloc(sizeof(struct mxb), GFP_KERNEL);
if (mxb == NULL) {
DEB_D(("not enough kernel memory.\n"));
return -ENOMEM;
}
snprintf(mxb->i2c_adapter.name, sizeof(mxb->i2c_adapter.name), "mxb%d", mxb_num);
saa7146_i2c_adapter_prepare(dev, &mxb->i2c_adapter, SAA7146_I2C_BUS_BIT_RATE_480);
if (i2c_add_adapter(&mxb->i2c_adapter) < 0) {
DEB_S(("cannot register i2c-device. skipping.\n"));
kfree(mxb);
return -EFAULT;
}
mxb->saa7111a = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
"saa7115", "saa7111", I2C_SAA7111A);
mxb->tea6420_1 = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
"tea6420", "tea6420", I2C_TEA6420_1);
mxb->tea6420_2 = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
"tea6420", "tea6420", I2C_TEA6420_2);
mxb->tea6415c = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
"tea6415c", "tea6415c", I2C_TEA6415C);
mxb->tda9840 = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
"tda9840", "tda9840", I2C_TDA9840);
mxb->tuner = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
"tuner", "tuner", I2C_TUNER);
if (v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
"saa5246a", "saa5246a", I2C_SAA5246A)) {
printk(KERN_INFO "mxb: found teletext decoder\n");
}
/* check if all devices are present */
if (!mxb->tea6420_1 || !mxb->tea6420_2 || !mxb->tea6415c ||
!mxb->tda9840 || !mxb->saa7111a || !mxb->tuner) {
printk("mxb: did not find all i2c devices. aborting\n");
i2c_del_adapter(&mxb->i2c_adapter);
kfree(mxb);
return -ENODEV;
}
/* all devices are present, probe was successful */
/* we store the pointer in our private data field */
dev->ext_priv = mxb;
return 0;
}
static int mxb_probe(struct saa7146_dev *dev)
{
struct mxb *mxb = NULL;
mxb = kzalloc(sizeof(struct mxb), GFP_KERNEL);
if (mxb == NULL) {
DEB_D("not enough kernel memory\n");
return -ENOMEM;
}
snprintf(mxb->i2c_adapter.name, sizeof(mxb->i2c_adapter.name), "mxb%d", mxb_num);
saa7146_i2c_adapter_prepare(dev, &mxb->i2c_adapter, SAA7146_I2C_BUS_BIT_RATE_480);
if (i2c_add_adapter(&mxb->i2c_adapter) < 0) {
DEB_S("cannot register i2c-device. skipping.\n");
kfree(mxb);
return -EFAULT;
}
mxb->saa7111a = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
"saa7111", I2C_SAA7111A, NULL);
mxb->tea6420_1 = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
"tea6420", I2C_TEA6420_1, NULL);
mxb->tea6420_2 = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
"tea6420", I2C_TEA6420_2, NULL);
mxb->tea6415c = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
"tea6415c", I2C_TEA6415C, NULL);
mxb->tda9840 = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
"tda9840", I2C_TDA9840, NULL);
mxb->tuner = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
"tuner", I2C_TUNER, NULL);
if (!mxb->tea6420_1 || !mxb->tea6420_2 || !mxb->tea6415c ||
!mxb->tda9840 || !mxb->saa7111a || !mxb->tuner) {
pr_err("did not find all i2c devices. aborting\n");
i2c_del_adapter(&mxb->i2c_adapter);
kfree(mxb);
return -ENODEV;
}
dev->ext_priv = mxb;
return 0;
}
int usbvision_i2c_register(struct usb_usbvision *usbvision)
{
static unsigned short saa711x_addrs[] = {
0x4a >> 1, 0x48 >> 1, /* */
0x42 >> 1, 0x40 >> 1, /* */
I2C_CLIENT_END };
if (usbvision->registered_i2c)
return 0;
memcpy(&usbvision->i2c_adap, &i2c_adap_template,
sizeof(struct i2c_adapter));
sprintf(usbvision->i2c_adap.name, "%s-%d-%s", i2c_adap_template.name,
usbvision->dev->bus->busnum, usbvision->dev->devpath);
PDEBUG(DBG_I2C, "Adaptername: %s", usbvision->i2c_adap.name);
usbvision->i2c_adap.dev.parent = &usbvision->dev->dev;
i2c_set_adapdata(&usbvision->i2c_adap, &usbvision->v4l2_dev);
if (usbvision_write_reg(usbvision, USBVISION_SER_MODE, USBVISION_IIC_LRNACK) < 0) {
printk(KERN_ERR "usbvision_i2c_register: can't write reg\n");
return -EBUSY;
}
PDEBUG(DBG_I2C, "I2C debugging is enabled [i2c]");
PDEBUG(DBG_I2C, "ALGO debugging is enabled [i2c]");
/* */
usbvision->i2c_adap.algo = &usbvision_algo;
usbvision->i2c_adap.timeout = 100; /* */
usbvision->i2c_adap.retries = 3; /* */
i2c_add_adapter(&usbvision->i2c_adap);
PDEBUG(DBG_I2C, "i2c bus for %s registered", usbvision->i2c_adap.name);
/* */
switch (usbvision_device_data[usbvision->dev_model].codec) {
case CODEC_SAA7113:
case CODEC_SAA7111:
/*
*/
mdelay(10);
v4l2_i2c_new_subdev(&usbvision->v4l2_dev,
&usbvision->i2c_adap,
"saa7115_auto", 0, saa711x_addrs);
break;
}
if (usbvision_device_data[usbvision->dev_model].tuner == 1) {
struct v4l2_subdev *sd;
enum v4l2_i2c_tuner_type type;
struct tuner_setup tun_setup;
sd = v4l2_i2c_new_subdev(&usbvision->v4l2_dev,
&usbvision->i2c_adap,
"tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_DEMOD));
/*
*/
type = sd ? ADDRS_TV_WITH_DEMOD : ADDRS_TV;
sd = v4l2_i2c_new_subdev(&usbvision->v4l2_dev,
&usbvision->i2c_adap,
"tuner", 0, v4l2_i2c_tuner_addrs(type));
if (sd == NULL)
return -ENODEV;
if (usbvision->tuner_type != -1) {
tun_setup.mode_mask = T_ANALOG_TV | T_RADIO;
tun_setup.type = usbvision->tuner_type;
tun_setup.addr = v4l2_i2c_subdev_addr(sd);
call_all(usbvision, tuner, s_type_addr, &tun_setup);
}
}
usbvision->registered_i2c = 1;
return 0;
}
