1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | |
3 | /* |
4 | * tveeprom - Contains structures and functions to work with Hauppauge |
5 | * eeproms. |
6 | */ |
7 | |
8 | #include <uapi/linux/if_ether.h> |
9 | |
10 | /** |
11 | * enum tveeprom_audio_processor - Specifies the type of audio processor |
12 | * used on a Hauppauge device. |
13 | * |
14 | * @TVEEPROM_AUDPROC_NONE: No audio processor present |
15 | * @TVEEPROM_AUDPROC_INTERNAL: The audio processor is internal to the |
16 | * video processor |
17 | * @TVEEPROM_AUDPROC_MSP: The audio processor is a MSPXXXX device |
18 | * @TVEEPROM_AUDPROC_OTHER: The audio processor is another device |
19 | */ |
20 | enum tveeprom_audio_processor { |
21 | TVEEPROM_AUDPROC_NONE, |
22 | TVEEPROM_AUDPROC_INTERNAL, |
23 | TVEEPROM_AUDPROC_MSP, |
24 | TVEEPROM_AUDPROC_OTHER, |
25 | }; |
26 | |
27 | /** |
28 | * struct tveeprom - Contains the fields parsed from Hauppauge eeproms |
29 | * |
30 | * @has_radio: 1 if the device has radio; 0 otherwise. |
31 | * |
32 | * @has_ir: If has_ir == 0, then it is unknown what the IR |
33 | * capabilities are. Otherwise: |
34 | * bit 0) 1 (= IR capabilities are known); |
35 | * bit 1) IR receiver present; |
36 | * bit 2) IR transmitter (blaster) present. |
37 | * |
38 | * @has_MAC_address: 0: no MAC, 1: MAC present, 2: unknown. |
39 | * @tuner_type: type of the tuner (TUNER_*, as defined at |
40 | * include/media/tuner.h). |
41 | * |
42 | * @tuner_formats: Supported analog TV standards (V4L2_STD_*). |
43 | * @tuner_hauppauge_model: Hauppauge's code for the device model number. |
44 | * @tuner2_type: type of the second tuner (TUNER_*, as defined |
45 | * at include/media/tuner.h). |
46 | * |
47 | * @tuner2_formats: Tuner 2 supported analog TV standards |
48 | * (V4L2_STD_*). |
49 | * |
50 | * @tuner2_hauppauge_model: tuner 2 Hauppauge's code for the device model |
51 | * number. |
52 | * |
53 | * @audio_processor: analog audio decoder, as defined by enum |
54 | * tveeprom_audio_processor. |
55 | * |
56 | * @decoder_processor: Hauppauge's code for the decoder chipset. |
57 | * Unused by the drivers, as they probe the |
58 | * decoder based on the PCI or USB ID. |
59 | * |
60 | * @model: Hauppauge's model number |
61 | * |
62 | * @revision: Card revision number |
63 | * |
64 | * @serial_number: Card's serial number |
65 | * |
66 | * @rev_str: Card revision converted to number |
67 | * |
68 | * @MAC_address: MAC address for the network interface |
69 | */ |
70 | struct tveeprom { |
71 | u32 has_radio; |
72 | u32 has_ir; |
73 | u32 has_MAC_address; |
74 | |
75 | u32 tuner_type; |
76 | u32 tuner_formats; |
77 | u32 tuner_hauppauge_model; |
78 | |
79 | u32 tuner2_type; |
80 | u32 tuner2_formats; |
81 | u32 tuner2_hauppauge_model; |
82 | |
83 | u32 audio_processor; |
84 | u32 decoder_processor; |
85 | |
86 | u32 model; |
87 | u32 revision; |
88 | u32 serial_number; |
89 | char rev_str[5]; |
90 | u8 MAC_address[ETH_ALEN]; |
91 | }; |
92 | |
93 | /** |
94 | * tveeprom_hauppauge_analog - Fill struct tveeprom using the contents |
95 | * of the eeprom previously filled at |
96 | * @eeprom_data field. |
97 | * |
98 | * @tvee: Struct to where the eeprom parsed data will be filled; |
99 | * @eeprom_data: Array with the contents of the eeprom_data. It should |
100 | * contain 256 bytes filled with the contents of the |
101 | * eeprom read from the Hauppauge device. |
102 | */ |
103 | void tveeprom_hauppauge_analog(struct tveeprom *tvee, |
104 | unsigned char *eeprom_data); |
105 | |
106 | /** |
107 | * tveeprom_read - Reads the contents of the eeprom found at the Hauppauge |
108 | * devices. |
109 | * |
110 | * @c: I2C client struct |
111 | * @eedata: Array where the eeprom content will be stored. |
112 | * @len: Size of @eedata array. If the eeprom content will be latter |
113 | * be parsed by tveeprom_hauppauge_analog(), len should be, at |
114 | * least, 256. |
115 | */ |
116 | int tveeprom_read(struct i2c_client *c, unsigned char *eedata, int len); |
117 | |