From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- include/media/tveeprom.h | 116 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 116 insertions(+) create mode 100644 include/media/tveeprom.h (limited to 'include/media/tveeprom.h') diff --git a/include/media/tveeprom.h b/include/media/tveeprom.h new file mode 100644 index 000000000..b56eaee82 --- /dev/null +++ b/include/media/tveeprom.h @@ -0,0 +1,116 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +/* + * tveeprom - Contains structures and functions to work with Hauppauge + * eeproms. + */ + +#include + +/** + * 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); -- cgit v1.2.3