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Mauro Carvalho Chehabac19ecc2005-06-23 22:05:09 -07001
Mauro Carvalho Chehab326ab272015-10-05 13:08:34 -03002/*
3 * tveeprom - Contains structures and functions to work with Hauppauge
4 * eeproms.
5 */
Hans Verkuil33001012013-05-29 06:59:45 -03006
Joe Perches574e2af2013-08-01 16:17:48 -07007#include <linux/if_ether.h>
8
Mauro Carvalho Chehab326ab272015-10-05 13:08:34 -03009/**
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 */
19enum 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 */
Linus Torvalds1da177e2005-04-16 15:20:36 -070057struct tveeprom {
58 u32 has_radio;
Hans Verkuilb654fcdc2008-07-22 15:50:31 -030059 u32 has_ir;
Mauro Carvalho Chehab326ab272015-10-05 13:08:34 -030060 u32 has_MAC_address;
Linus Torvalds1da177e2005-04-16 15:20:36 -070061
62 u32 tuner_type;
63 u32 tuner_formats;
Hans Verkuilf95006f2005-12-01 00:51:42 -080064 u32 tuner_hauppauge_model;
Linus Torvalds1da177e2005-04-16 15:20:36 -070065
Mauro Carvalho Chehab0f97a932005-09-09 13:04:05 -070066 u32 tuner2_type;
67 u32 tuner2_formats;
Hans Verkuilf95006f2005-12-01 00:51:42 -080068 u32 tuner2_hauppauge_model;
Mauro Carvalho Chehab0f97a932005-09-09 13:04:05 -070069
Linus Torvalds1da177e2005-04-16 15:20:36 -070070 u32 audio_processor;
Mauro Carvalho Chehab0f97a932005-09-09 13:04:05 -070071 u32 decoder_processor;
Linus Torvalds1da177e2005-04-16 15:20:36 -070072
73 u32 model;
74 u32 revision;
75 u32 serial_number;
76 char rev_str[5];
Joe Perches574e2af2013-08-01 16:17:48 -070077 u8 MAC_address[ETH_ALEN];
Linus Torvalds1da177e2005-04-16 15:20:36 -070078};
79
Mauro Carvalho Chehab326ab272015-10-05 13:08:34 -030080/**
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 */
Mauro Carvalho Chehab0f97a932005-09-09 13:04:05 -070091void tveeprom_hauppauge_analog(struct i2c_client *c, struct tveeprom *tvee,
Linus Torvalds1da177e2005-04-16 15:20:36 -070092 unsigned char *eeprom_data);
93
Mauro Carvalho Chehab326ab272015-10-05 13:08:34 -030094/**
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 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700104int tveeprom_read(struct i2c_client *c, unsigned char *eedata, int len);