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usr
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linux-headers-6.8.0-83
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include
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media
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tveeprom.h
/* SPDX-License-Identifier: GPL-2.0 */ /* * tveeprom - Contains structures and functions to work with Hauppauge * eeproms. */ #include <uapi/linux/if_ether.h> /** * enum tveeprom_audio_processor - Specifies the type of audio processor * used on a Hauppauge device. * * @TVEEPROM_AUDPROC_NONE: No audio processor present * @TVEEPROM_AUDPROC_INTERNAL: The audio processor is internal to the * video processor * @TVEEPROM_AUDPROC_MSP: The audio processor is a MSPXXXX device * @TVEEPROM_AUDPROC_OTHER: The audio processor is another device */ enum tveeprom_audio_processor { TVEEPROM_AUDPROC_NONE, TVEEPROM_AUDPROC_INTERNAL, TVEEPROM_AUDPROC_MSP, TVEEPROM_AUDPROC_OTHER, }; /** * struct tveeprom - Contains the fields parsed from Hauppauge eeproms * * @has_radio: 1 if the device has radio; 0 otherwise. * * @has_ir: If has_ir == 0, then it is unknown what the IR * capabilities are. Otherwise: * bit 0) 1 (= IR capabilities are known); * bit 1) IR receiver present; * bit 2) IR transmitter (blaster) present. * * @has_MAC_address: 0: no MAC, 1: MAC present, 2: unknown. * @tuner_type: type of the tuner (TUNER_*, as defined at * include/media/tuner.h). * * @tuner_formats: Supported analog TV standards (V4L2_STD_*). * @tuner_hauppauge_model: Hauppauge's code for the device model number. * @tuner2_type: type of the second tuner (TUNER_*, as defined * at include/media/tuner.h). * * @tuner2_formats: Tuner 2 supported analog TV standards * (V4L2_STD_*). * * @tuner2_hauppauge_model: tuner 2 Hauppauge's code for the device model * number. * * @audio_processor: analog audio decoder, as defined by enum * tveeprom_audio_processor. * * @decoder_processor: Hauppauge's code for the decoder chipset. * Unused by the drivers, as they probe the * decoder based on the PCI or USB ID. * * @model: Hauppauge's model number * * @revision: Card revision number * * @serial_number: Card's serial number * * @rev_str: Card revision converted to number * * @MAC_address: MAC address for the network interface */ struct tveeprom { u32 has_radio; u32 has_ir; u32 has_MAC_address; u32 tuner_type; u32 tuner_formats; u32 tuner_hauppauge_model; u32 tuner2_type; u32 tuner2_formats; u32 tuner2_hauppauge_model; u32 audio_processor; u32 decoder_processor; u32 model; u32 revision; u32 serial_number; char rev_str[5]; u8 MAC_address[ETH_ALEN]; }; /** * tveeprom_hauppauge_analog - Fill struct tveeprom using the contents * of the eeprom previously filled at * @eeprom_data field. * * @tvee: Struct to where the eeprom parsed data will be filled; * @eeprom_data: Array with the contents of the eeprom_data. It should * contain 256 bytes filled with the contents of the * eeprom read from the Hauppauge device. */ void tveeprom_hauppauge_analog(struct tveeprom *tvee, unsigned char *eeprom_data); /** * tveeprom_read - Reads the contents of the eeprom found at the Hauppauge * devices. * * @c: I2C client struct * @eedata: Array where the eeprom content will be stored. * @len: Size of @eedata array. If the eeprom content will be latter * be parsed by tveeprom_hauppauge_analog(), len should be, at * least, 256. */ int tveeprom_read(struct i2c_client *c, unsigned char *eedata, int len);
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