--- zzzz-none-000/linux-3.10.107/drivers/media/usb/dvb-usb-v2/af9035.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/media/usb/dvb-usb-v2/af9035.h	2021-02-04 17:41:59.000000000 +0000
@@ -30,7 +30,9 @@
 #include "mxl5007t.h"
 #include "tda18218.h"
 #include "fc2580.h"
-#include "tuner_it913x.h"
+#include "it913x.h"
+#include "si2168.h"
+#include "si2157.h"
 
 struct reg_val {
 	u32 reg;
@@ -61,7 +63,12 @@
 	u16 chip_type;
 	u8 dual_mode:1;
 	u16 eeprom_addr;
+	u8 af9033_i2c_addr[2];
 	struct af9033_config af9033_config[2];
+	struct af9033_ops ops;
+	#define AF9035_I2C_CLIENT_MAX 4
+	struct i2c_client *i2c_client[AF9035_I2C_CLIENT_MAX];
+	struct i2c_adapter *i2c_adapter_demod;
 };
 
 static const u32 clock_lut_af9035[] = {
@@ -95,13 +102,19 @@
 #define AF9035_FIRMWARE_AF9035 "dvb-usb-af9035-02.fw"
 #define AF9035_FIRMWARE_IT9135_V1 "dvb-usb-it9135-01.fw"
 #define AF9035_FIRMWARE_IT9135_V2 "dvb-usb-it9135-02.fw"
+#define AF9035_FIRMWARE_IT9303 "dvb-usb-it9303-01.fw"
 
 /*
  * eeprom is memory mapped as read only. Writing that memory mapped address
  * will not corrupt eeprom.
  *
- * eeprom has value 0x00 single mode and 0x03 for dual mode as far as I have
- * seen to this day.
+ * TS mode:
+ * 0  TS
+ * 1  DCA + PIP
+ * 3  PIP
+ * n  DCA
+ *
+ * Values 0 and 3 are seen to this day. 0 for single TS and 3 for dual TS.
  */
 
 #define EEPROM_BASE_AF9035        0x42fd
@@ -109,7 +122,7 @@
 #define EEPROM_SHIFT                0x10
 
 #define EEPROM_IR_MODE              0x10
-#define EEPROM_DUAL_MODE            0x29
+#define EEPROM_TS_MODE              0x29
 #define EEPROM_2ND_DEMOD_ADDR       0x2a
 #define EEPROM_IR_TYPE              0x2c
 #define EEPROM_1_IF_L               0x30
@@ -131,5 +144,7 @@
 #define CMD_FW_DL_BEGIN             0x24
 #define CMD_FW_DL_END               0x25
 #define CMD_FW_SCATTER_WR           0x29
+#define CMD_GENERIC_I2C_RD          0x2a
+#define CMD_GENERIC_I2C_WR          0x2b
 
 #endif