1 2 /* 3 * tveeprom - Contains structures and functions to work with Hauppauge 4 * eeproms. 5 */ 6 7 #include <linux/if_ether.h> 8 9 /** 10 * enum tveeprom_audio_processor - Specifies the type of audio processor 11 * used on a Hauppauge device. 12 * 13 * @TVEEPROM_AUDPROC_NONE: No audio processor present 14 * @TVEEPROM_AUDPROC_INTERNAL: The audio processor is internal to the 15 * video processor 16 * @TVEEPROM_AUDPROC_MSP: The audio processor is a MSPXXXX device 17 * @TVEEPROM_AUDPROC_OTHER: The audio processor is another device 18 */ 19 enum tveeprom_audio_processor { 20 TVEEPROM_AUDPROC_NONE, 21 TVEEPROM_AUDPROC_INTERNAL, 22 TVEEPROM_AUDPROC_MSP, 23 TVEEPROM_AUDPROC_OTHER, 24 }; 25 26 /** 27 * struct tveeprom - Contains the fields parsed from Hauppauge eeproms 28 * 29 * @has_radio: 1 if the device has radio; 0 otherwise. 30 * @has_ir: If has_ir == 0, then it is unknown what the IR 31 * capabilities are. Otherwise: 32 * bit 0) 1 (= IR capabilities are known); 33 * bit 1) IR receiver present; 34 * bit 2) IR transmitter (blaster) present. 35 * @has_MAC_address: 0: no MAC, 1: MAC present, 2: unknown. 36 * @tuner_type: type of the tuner (TUNER_*, as defined at 37 * include/media/tuner.h). 38 * @tuner_formats: Supported analog TV standards (V4L2_STD_*). 39 * @tuner_hauppauge_model: Hauppauge's code for the device model number. 40 * @tuner2_type: type of the second tuner (TUNER_*, as defined 41 * at include/media/tuner.h). 42 * @tuner2_formats: Tuner 2 supported analog TV standards 43 * (V4L2_STD_*). 44 * @tuner2_hauppauge_model: tuner 2 Hauppauge's code for the device model 45 * number. 46 * @audio_processor: analog audio decoder, as defined by enum 47 * tveeprom_audio_processor. 48 * @decoder_processor: Hauppauge's code for the decoder chipset. 49 * Unused by the drivers, as they probe the 50 * decoder based on the PCI or USB ID. 51 * @model: Hauppauge's model number 52 * @revision: Card revision number 53 * @serial_number: Card's serial number 54 * @rev_str: Card revision converted to number 55 * @MAC_address: MAC address for the network interface 56 */ 57 struct tveeprom { 58 u32 has_radio; 59 u32 has_ir; 60 u32 has_MAC_address; 61 62 u32 tuner_type; 63 u32 tuner_formats; 64 u32 tuner_hauppauge_model; 65 66 u32 tuner2_type; 67 u32 tuner2_formats; 68 u32 tuner2_hauppauge_model; 69 70 u32 audio_processor; 71 u32 decoder_processor; 72 73 u32 model; 74 u32 revision; 75 u32 serial_number; 76 char rev_str[5]; 77 u8 MAC_address[ETH_ALEN]; 78 }; 79 80 /** 81 * tveeprom_hauppauge_analog - Fill struct tveeprom using the contents 82 * of the eeprom previously filled at 83 * @eeprom_data field. 84 * 85 * @c: I2C client struct 86 * @tvee: Struct to where the eeprom parsed data will be filled; 87 * @eeprom_data: Array with the contents of the eeprom_data. It should 88 * contain 256 bytes filled with the contents of the 89 * eeprom read from the Hauppauge device. 90 */ 91 void tveeprom_hauppauge_analog(struct i2c_client *c, struct tveeprom *tvee, 92 unsigned char *eeprom_data); 93 94 /** 95 * tveeprom_read - Reads the contents of the eeprom found at the Hauppauge 96 * devices. 97 * 98 * @c: I2C client struct 99 * @eedata: Array where the eeprom content will be stored. 100 * @len: Size of @eedata array. If the eeprom content will be latter 101 * be parsed by tveeprom_hauppauge_analog(), len should be, at 102 * least, 256. 103 */ 104 int tveeprom_read(struct i2c_client *c, unsigned char *eedata, int len); 105