+ struct tuner *t;
+ struct tuner *radio;
+ struct tuner *tv;
+
+ t = kzalloc(sizeof(struct tuner), GFP_KERNEL);
+ if (NULL == t)
+ return -ENOMEM;
+ t->i2c = client;
+ strlcpy(client->name, "(tuner unset)", sizeof(client->name));
+ i2c_set_clientdata(client, t);
+ t->type = UNSET;
+ t->audmode = V4L2_TUNER_MODE_STEREO;
+ t->mode_mask = T_UNINITIALIZED;
+
+ if (show_i2c) {
+ unsigned char buffer[16];
+ int i, rc;
+
+ memset(buffer, 0, sizeof(buffer));
+ rc = i2c_master_recv(client, buffer, sizeof(buffer));
+ tuner_info("I2C RECV = ");
+ for (i = 0; i < rc; i++)
+ printk(KERN_CONT "%02x ", buffer[i]);
+ printk("\n");
+ }
+ /* HACK: This test was added to avoid tuner to probe tda9840 and
+ tea6415c on the MXB card */
+ if (client->adapter->id == I2C_HW_SAA7146 && client->addr < 0x4a) {
+ kfree(t);
+ return -ENODEV;
+ }
+
+ /* autodetection code based on the i2c addr */
+ if (!no_autodetect) {
+ switch (client->addr) {
+ case 0x10:
+ if (tea5761_autodetection(t->i2c->adapter, t->i2c->addr)
+ != EINVAL) {
+ t->type = TUNER_TEA5761;
+ t->mode_mask = T_RADIO;
+ t->mode = T_STANDBY;
+ /* Sets freq to FM range */
+ t->radio_freq = 87.5 * 16000;
+ tuner_lookup(t->i2c->adapter, &radio, &tv);
+ if (tv)
+ tv->mode_mask &= ~T_RADIO;
+
+ goto register_client;
+ }
+ break;
+ case 0x42:
+ case 0x43:
+ case 0x4a:
+ case 0x4b:
+ /* If chip is not tda8290, don't register.
+ since it can be tda9887*/
+ if (tda829x_probe(t->i2c->adapter,
+ t->i2c->addr) == 0) {
+ tuner_dbg("tda829x detected\n");
+ } else {
+ /* Default is being tda9887 */
+ t->type = TUNER_TDA9887;
+ t->mode_mask = T_RADIO | T_ANALOG_TV |
+ T_DIGITAL_TV;
+ t->mode = T_STANDBY;
+ goto register_client;
+ }
+ break;
+ case 0x60:
+ if (tea5767_autodetection(t->i2c->adapter, t->i2c->addr)
+ != EINVAL) {
+ t->type = TUNER_TEA5767;
+ t->mode_mask = T_RADIO;
+ t->mode = T_STANDBY;
+ /* Sets freq to FM range */
+ t->radio_freq = 87.5 * 16000;
+ tuner_lookup(t->i2c->adapter, &radio, &tv);
+ if (tv)
+ tv->mode_mask &= ~T_RADIO;
+
+ goto register_client;
+ }
+ break;
+ }
+ }
+
+ /* Initializes only the first TV tuner on this adapter. Why only the
+ first? Because there are some devices (notably the ones with TI
+ tuners) that have more than one i2c address for the *same* device.
+ Experience shows that, except for just one case, the first
+ address is the right one. The exception is a Russian tuner
+ (ACORP_Y878F). So, the desired behavior is just to enable the
+ first found TV tuner. */
+ tuner_lookup(t->i2c->adapter, &radio, &tv);
+ if (tv == NULL) {
+ t->mode_mask = T_ANALOG_TV | T_DIGITAL_TV;
+ if (radio == NULL)
+ t->mode_mask |= T_RADIO;
+ tuner_dbg("Setting mode_mask to 0x%02x\n", t->mode_mask);
+ t->tv_freq = 400 * 16; /* Sets freq to VHF High */
+ t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */
+ }
+
+ /* Should be just before return */
+register_client:
+ tuner_info("chip found @ 0x%x (%s)\n", client->addr << 1,
+ client->adapter->name);
+
+ /* Sets a default mode */
+ if (t->mode_mask & T_ANALOG_TV) {
+ t->mode = V4L2_TUNER_ANALOG_TV;
+ } else if (t->mode_mask & T_RADIO) {
+ t->mode = V4L2_TUNER_RADIO;
+ } else {
+ t->mode = V4L2_TUNER_DIGITAL_TV;
+ }
+ set_type(client, t->type, t->mode_mask, t->config, t->tuner_callback);
+ list_add_tail(&t->list, &tuner_list);
+ return 0;
+}
+
+static int tuner_legacy_probe(struct i2c_adapter *adap)
+{
+ if (0 != addr) {
+ normal_i2c[0] = addr;
+ normal_i2c[1] = I2C_CLIENT_END;
+ }
+
+ if ((adap->class & I2C_CLASS_TV_ANALOG) == 0)
+ return 0;
+
+ /* HACK: Ignore 0x6b and 0x6f on cx88 boards.
+ * FusionHDTV5 RT Gold has an ir receiver at 0x6b
+ * and an RTC at 0x6f which can get corrupted if probed.
+ */
+ if ((adap->id == I2C_HW_B_CX2388x) ||
+ (adap->id == I2C_HW_B_CX23885)) {
+ unsigned int i = 0;
+
+ while (i < I2C_CLIENT_MAX_OPTS && ignore[i] != I2C_CLIENT_END)
+ i += 2;
+ if (i + 4 < I2C_CLIENT_MAX_OPTS) {
+ ignore[i+0] = adap->nr;
+ ignore[i+1] = 0x6b;
+ ignore[i+2] = adap->nr;
+ ignore[i+3] = 0x6f;
+ ignore[i+4] = I2C_CLIENT_END;
+ } else
+ printk(KERN_WARNING "tuner: "
+ "too many options specified "
+ "in i2c probe ignore list!\n");
+ }
+ return 1;
+}
+
+static int tuner_remove(struct i2c_client *client)
+{
+ struct tuner *t = i2c_get_clientdata(client);
+ struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops;
+
+ if (analog_ops->release)
+ analog_ops->release(&t->fe);
+
+ list_del(&t->list);
+ kfree(t);
+ return 0;