+static int dw2102_serit_i2c_transfer(struct i2c_adapter *adap,
+ struct i2c_msg msg[], int num)
+{
+ struct dvb_usb_device *d = i2c_get_adapdata(adap);
+ int ret = 0;
+ u8 buf6[] = {0, 0, 0, 0, 0, 0, 0};
+
+ if (!d)
+ return -ENODEV;
+ if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
+ return -EAGAIN;
+
+ switch (num) {
+ case 2:
+ /* read si2109 register by number */
+ buf6[0] = 0xd0;
+ buf6[1] = msg[0].len;
+ buf6[2] = msg[0].buf[0];
+ ret = dw210x_op_rw(d->udev, 0xc2, 0, 0,
+ buf6, msg[0].len + 2, DW210X_WRITE_MSG);
+ /* read si2109 register */
+ ret = dw210x_op_rw(d->udev, 0xc3, 0xd0, 0,
+ buf6, msg[1].len + 2, DW210X_READ_MSG);
+ memcpy(msg[1].buf, buf6 + 2, msg[1].len);
+
+ break;
+ case 1:
+ switch (msg[0].addr) {
+ case 0x68:
+ /* write to si2109 register */
+ buf6[0] = 0xd0;
+ buf6[1] = msg[0].len;
+ memcpy(buf6 + 2, msg[0].buf, msg[0].len);
+ ret = dw210x_op_rw(d->udev, 0xc2, 0, 0, buf6,
+ msg[0].len + 2, DW210X_WRITE_MSG);
+ break;
+ case(DW2102_RC_QUERY):
+ ret = dw210x_op_rw(d->udev, 0xb8, 0, 0,
+ buf6, 2, DW210X_READ_MSG);
+ msg[0].buf[0] = buf6[0];
+ msg[0].buf[1] = buf6[1];
+ break;
+ case(DW2102_VOLTAGE_CTRL):
+ buf6[0] = 0x30;
+ buf6[1] = msg[0].buf[0];
+ ret = dw210x_op_rw(d->udev, 0xb2, 0, 0,
+ buf6, 2, DW210X_WRITE_MSG);
+ break;
+ }
+ break;
+ }
+
+ mutex_unlock(&d->i2c_mutex);
+ return num;
+}
+static int dw2102_earda_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], int num)
+{
+ struct dvb_usb_device *d = i2c_get_adapdata(adap);
+ int ret = 0;
+
+ if (!d)
+ return -ENODEV;
+ if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
+ return -EAGAIN;
+
+ switch (num) {
+ case 2: {
+ /* read */
+ /* first write first register number */
+ u8 ibuf [msg[1].len + 2], obuf[3];
+ obuf[0] = 0xd0;
+ obuf[1] = msg[0].len;
+ obuf[2] = msg[0].buf[0];
+ ret = dw210x_op_rw(d->udev, 0xc2, 0, 0,
+ obuf, msg[0].len + 2, DW210X_WRITE_MSG);
+ /* second read registers */
+ ret = dw210x_op_rw(d->udev, 0xc3, 0xd1 , 0,
+ ibuf, msg[1].len + 2, DW210X_READ_MSG);
+ memcpy(msg[1].buf, ibuf + 2, msg[1].len);
+
+ break;
+ }
+ case 1:
+ switch (msg[0].addr) {
+ case 0x68: {
+ /* write to register */
+ u8 obuf[msg[0].len + 2];
+ obuf[0] = 0xd0;
+ obuf[1] = msg[0].len;
+ memcpy(obuf + 2, msg[0].buf, msg[0].len);
+ ret = dw210x_op_rw(d->udev, 0xc2, 0, 0,
+ obuf, msg[0].len + 2, DW210X_WRITE_MSG);
+ break;
+ }
+ case 0x61: {
+ /* write to tuner */
+ u8 obuf[msg[0].len + 2];
+ obuf[0] = 0xc2;
+ obuf[1] = msg[0].len;
+ memcpy(obuf + 2, msg[0].buf, msg[0].len);
+ ret = dw210x_op_rw(d->udev, 0xc2, 0, 0,
+ obuf, msg[0].len + 2, DW210X_WRITE_MSG);
+ break;
+ }
+ case(DW2102_RC_QUERY): {
+ u8 ibuf[2];
+ ret = dw210x_op_rw(d->udev, 0xb8, 0, 0,
+ ibuf, 2, DW210X_READ_MSG);
+ memcpy(msg[0].buf, ibuf , 2);
+ break;
+ }
+ case(DW2102_VOLTAGE_CTRL): {
+ u8 obuf[2];
+ obuf[0] = 0x30;
+ obuf[1] = msg[0].buf[0];
+ ret = dw210x_op_rw(d->udev, 0xb2, 0, 0,
+ obuf, 2, DW210X_WRITE_MSG);
+ break;
+ }
+ }
+
+ break;
+ }
+
+ mutex_unlock(&d->i2c_mutex);
+ return num;
+}
+
+static int dw2104_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], int num)
+{
+ struct dvb_usb_device *d = i2c_get_adapdata(adap);
+ int ret = 0;
+ int len, i;
+
+ if (!d)
+ return -ENODEV;
+ if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
+ return -EAGAIN;
+
+ switch (num) {
+ case 2: {
+ /* read */
+ /* first write first register number */
+ u8 ibuf [msg[1].len + 2], obuf[3];
+ obuf[0] = 0xaa;
+ obuf[1] = msg[0].len;
+ obuf[2] = msg[0].buf[0];
+ ret = dw210x_op_rw(d->udev, 0xc2, 0, 0,
+ obuf, msg[0].len + 2, DW210X_WRITE_MSG);
+ /* second read registers */
+ ret = dw210x_op_rw(d->udev, 0xc3, 0xab , 0,
+ ibuf, msg[1].len + 2, DW210X_READ_MSG);
+ memcpy(msg[1].buf, ibuf + 2, msg[1].len);
+
+ break;
+ }
+ case 1:
+ switch (msg[0].addr) {
+ case 0x55: {
+ if (msg[0].buf[0] == 0xf7) {
+ /* firmware */
+ /* Write in small blocks */
+ u8 obuf[19];
+ obuf[0] = 0xaa;
+ obuf[1] = 0x11;
+ obuf[2] = 0xf7;
+ len = msg[0].len - 1;
+ i = 1;
+ do {
+ memcpy(obuf + 3, msg[0].buf + i, (len > 16 ? 16 : len));
+ ret = dw210x_op_rw(d->udev, 0xc2, 0, 0,
+ obuf, (len > 16 ? 16 : len) + 3, DW210X_WRITE_MSG);
+ i += 16;
+ len -= 16;
+ } while (len > 0);
+ } else {
+ /* write to register */
+ u8 obuf[msg[0].len + 2];
+ obuf[0] = 0xaa;
+ obuf[1] = msg[0].len;
+ memcpy(obuf + 2, msg[0].buf, msg[0].len);
+ ret = dw210x_op_rw(d->udev, 0xc2, 0, 0,
+ obuf, msg[0].len + 2, DW210X_WRITE_MSG);
+ }
+ break;
+ }
+ case(DW2102_RC_QUERY): {
+ u8 ibuf[2];
+ ret = dw210x_op_rw(d->udev, 0xb8, 0, 0,
+ ibuf, 2, DW210X_READ_MSG);
+ memcpy(msg[0].buf, ibuf , 2);
+ break;
+ }
+ case(DW2102_VOLTAGE_CTRL): {
+ u8 obuf[2];
+ obuf[0] = 0x30;
+ obuf[1] = msg[0].buf[0];
+ ret = dw210x_op_rw(d->udev, 0xb2, 0, 0,
+ obuf, 2, DW210X_WRITE_MSG);
+ break;
+ }
+ }
+
+ break;
+ }
+
+ mutex_unlock(&d->i2c_mutex);
+ return num;
+}
+
+static u32 dw210x_i2c_func(struct i2c_adapter *adapter)