[teensytas.git] / pkts.h


enum tas_pkt_type {
	PKT_FIXED_STATE       = 0xef01,
	PKT_STREAM_ENABLE     = 0xef02,
	PKT_STREAM_REQ        = 0xef03,
	PKT_STREAM_DATA_TO_P1 = 0xef04,
	PKT_STREAM_DATA_TO_P2 = 0xef05,
	PKT_STREAM_DATA_FROM  = 0xef06,
	PKT_STREAM_END        = 0xef07,
	PKT_STREAM_ABORT      = 0xef08,
};

struct tas_pkt {
	uint16_t type;
	uint16_t size; // for DATA_FROM/TO
	union {
		uint8_t data[60];
		struct {
			uint32_t frame; // just fyi
			uint8_t is_p2;
		} req;
		struct {
			uint8_t stream_to;
			uint8_t stream_from;
			// frame increment on read
			uint8_t inc_mode;
			uint8_t no_start_seq;
		} enable;
	};
} __attribute__((packed));

enum inc_mode {
	INC_MODE_VSYNC = 0,
	// shared stream index incremented by pl1 or pl2
	INC_MODE_SHARED_PL1 = 1,
	INC_MODE_SHARED_PL2 = 2,
	INC_MODE_SEPARATE = 3,
};
Commit	Line	Data
f20de073	1
f20de073	2	enum tas_pkt_type {
19560e5f	3	PKT_FIXED_STATE = 0xef01,
	4	PKT_STREAM_ENABLE = 0xef02,
	5	PKT_STREAM_REQ = 0xef03,
	6	PKT_STREAM_DATA_TO_P1 = 0xef04,
	7	PKT_STREAM_DATA_TO_P2 = 0xef05,
	8	PKT_STREAM_DATA_FROM = 0xef06,
	9	PKT_STREAM_END = 0xef07,
	10	PKT_STREAM_ABORT = 0xef08,
f20de073	11	};
	12
	13	struct tas_pkt {
	14	uint16_t type;
	15	uint16_t size; // for DATA_FROM/TO
	16	union {
	17	uint8_t data[60];
	18	struct {
	19	uint32_t frame; // just fyi
19560e5f	20	uint8_t is_p2;
f20de073	21	} req;
	22	struct {
	23	uint8_t stream_to;
	24	uint8_t stream_from;
	25	// frame increment on read
19560e5f	26	uint8_t inc_mode;
6d4349fc	27	uint8_t no_start_seq;
f20de073	28	} enable;
	29	};
	30	} __attribute__((packed));
19560e5f	31
	32	enum inc_mode {
	33	INC_MODE_VSYNC = 0,
	34	// shared stream index incremented by pl1 or pl2
	35	INC_MODE_SHARED_PL1 = 1,
	36	INC_MODE_SHARED_PL2 = 2,
be48e888	37	INC_MODE_SEPARATE = 3,
19560e5f	38	};