Talk:SC Communication

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0x30 AV Service return packet when HDMI inserted (personal info removed):

000c000: 3001 0000 0000 8031 8000 0000 0104 0104  0......1........
000c010: 2000 0282 00ff ffff ffff ff00 0469 fa22   ............i."
000c020: 0101 0101 2c15 0103 8030 1b78 eec4 f5a3  ....,....0.x....
000c030: 574a 9c23 1150 54bf ef00 714f 8180 8140  WJ.#.PT...qO...@
000c040: 9500 a940 b300 d1c0 0101 023a 8018 7138  ...@.......:..q8
000c050: 2d40 582c 4500 132b 2100 001e 0000 00fd  -@X,E..+!.......
000c060: 0032 4c1e 5311 000a 2020 2020 2020 0000  .2L.S...      ..
000c070: 00fc 0056 4532 3238 0a20 2020 2020 2020  ...VE228.
000c080: 0000 00ff 00XX XXXX XXXX XXXX XXXX XXXX  .....EDIDSERIALN
000c090: XX0a 0188 0203 1ef1 4b90 0504 0302 0111  M.......K.......
000c0a0: 1213 141f 2309 0707 8301 0000 6503 0c00  ....#.......e...
000c0b0: 1000 1a36 80a0 7038 1e40 3020 3500 132b  ...6..p8.@0 5..+
000c0c0: 2100 001a 6621 56aa 5100 1e30 468f 3300  !...f!V.Q..0F.3.
000c0d0: 132b 2100 001e 011d 0072 51d0 1e20 6e28  .+!......rQ.. n(
000c0e0: 5500 132b 2100 001e 8c0a d08a 20e0 2d10  U..+!....... .-.
000c0f0: 103e 9600 132b 2100 0018 011d 8018 711c  .>...+!.......q.
000c100: 1620 582c 2500 132b 2100 009f 0000 0000  . X,%..+!.......

Syscon packets

Configuration Service (0x12)

Get IDlog information

Purpose: Can be used to get CID/eCID information.

struct __attribute__ ((packed)) get_idlog_info_request_t {
	uint8_t cmd; // 0x03
	uint8_t param; // 0x01
};

struct __attribute__ ((packed)) get_idlog_info_response_t {
	uint8_t cmd;
	uint8_t padding[3];
	uint8_t ecid[16];
	uint8_t cid[6];
};

Get reference clock

Purpose: Used to calculate an initial value of timebase register.

struct __attribute__ ((packed)) get_reference_clock_request_t {
	uint8_t cmd; // 0x03
	uint8_t param; // 0x10
};

struct __attribute__ ((packed)) get_reference_clock_response_t {
	uint8_t cmd;
	uint8_t padding[3];
	uint32_t ref_clock_value;
	uint32_t unk;
};

Get core clock multiplier

Purpose: Used together with reference clock to calculate clock frequency.

struct __attribute__ ((packed)) get_core_clock_multiplier_request_t {
	uint8_t cmd; // 0x03
	uint8_t param; // 0x00
};

struct __attribute__ ((packed)) get_core_clock_multiplier_response_t {
	uint8_t cmd;
	uint8_t padding[3];
	uint8_t id; // 00:2, 01:4, 03: 8, 04:10, 05:12, 06:16, 07:20
};
  • Clock frequency = core clock multiplier table[id] * reference clock.
  • For example, if you have id=3 and reference clock=400000000, then your clock frequency will be: 400000000*8=3200000000 (3.2 Ghz)

Get platform ID

Purpose: Used to get platform ID (Cytology, Cookie, etc).

struct __attribute__ ((packed)) get_platform_id_request_t {
	uint8_t cmd; // 0x20
	uint8_t param; // 0x10
};

struct __attribute__ ((packed)) get_platform_id_response_t {
	uint8_t cmd;
	uint8_t padding[3];
	uint8_t platform_id[8]; // ASCII-string
};

Get hardware configuration

Purpose: Used to get hardware configuration (PS2 emulation compatibility, card support, WLAN interface, etc).

struct __attribute__ ((packed)) get_hw_config_request_t {
	uint8_t cmd; // 0x22
};

struct __attribute__ ((packed)) get_hw_config_response_t {
	uint8_t cmd;
	uint8_t padding[3];
	uint8_t data[12];
};

Power Service (0x13): Query system power up cause

struct __attribute__ ((packed)) query_system_power_up_cause_request_t {
	uint8_t cmd; // 0x10
};

struct __attribute__ ((packed)) query_system_power_up_cause_response_t {
	uint32_t error_code;
	uint32_t wake_source;
	uint8_t requested_os_context;
	uint8_t current_os_context;
	uint8_t requested_gr_context;
	uint8_t current_gr_context;
	uint8_t last_shutdown_cause;
	uint8_t padding[3];
};