cregit-Linux how code gets into the kernel

Release 4.12 include/media/tveeprom.h

Directory: include/media
/*
 * tveeprom - Contains structures and functions to work with Hauppauge
 *            eeproms.
 */

#include <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);

Overall Contributors

PersonTokensPropCommitsCommitProp
Gerd Knorr6357.27%111.11%
Mauro Carvalho Chehab2018.18%444.44%
Hans Verkuil1816.36%222.22%
Steven Toth87.27%111.11%
Joe Perches10.91%111.11%
Total110100.00%9100.00%
Directory: include/media
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