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