1  #ifndef _CGMINER_NEPTUNE_H
 2  #define _CGMINER_NEPTUNE_H 
 3  #include <stdint.h>
 4  #include "miner.h"
 5  
 6  /* ASIC Command codes */
 7  #define	KNC_ASIC_CMD_GETINFO             0x80
 8  #define KNC_ASIC_CMD_SETWORK             0x81
 9  #define KNC_ASIC_CMD_SETWORK_CLEAN       0x83        /* Neptune */
10  #define KNC_ASIC_CMD_HALT                0x83        /* Jupiter */
11  #define KNC_ASIC_CMD_REPORT              0x82
12  
13  /* Status byte */
14  #define KNC_ASIC_ACK_CRC                    (1<<5)
15  #define KNC_ASIC_ACK_ACCEPT                 (1<<2)
16  #define KNC_ASIC_ACK_MASK                   (~(KNC_ASIC_ACK_CRC|KNC_ASIC_ACK_ACCEPT))
17  #define KNC_ASIC_ACK_MATCH                  ((1<<7)|(1<<0))
18  
19  /* Version word */
20  #define KNC_ASIC_VERSION_JUPITER            0xa001
21  #define KNC_ASIC_VERSION_NEPTUNE            0xa002
22  
23  /* Limits of current chips & I/O board */
24  #define KNC_MAX_CORES_PER_DIE	360
25  #define KNC_MAX_ASICS 6
26  
27  struct knc_die_info {
28  	enum {
29  		KNC_VERSION_UNKNOWN = 0,
30  		KNC_VERSION_JUPITER,
31  		KNC_VERSION_NEPTUNE
32  	} version;
33  	char want_work[KNC_MAX_CORES_PER_DIE];
34  	int cores;
35  	int pll_locked;
36  	int hash_reset_n;
37  	int pll_reset_n;
38  	int pll_power_down;
39  };
40  
41  #define KNC_NONCES_PER_REPORT 5
42  
43  struct knc_report {
44  	int next_state;
45  	int state;
46  	int next_slot;
47  	int active_slot;
48  	uint32_t progress;
49  	struct {
50  		int slot;
51  		uint32_t nonce;
52  	} nonce[KNC_NONCES_PER_REPORT];
53  };
54  
55  int knc_prepare_info(uint8_t *request, int die, struct knc_die_info *die_info, int *response_size);
56  int knc_prepare_report(uint8_t *request, int die, int core);
57  int knc_prepare_neptune_setwork(uint8_t *request, int die, int core, int slot, struct work *work, int clean);
58  int knc_prepare_jupiter_setwork(uint8_t *request, int die, int core, int slot, struct work *work);
59  int knc_prepare_jupiter_halt(uint8_t *request, int die, int core);
60  int knc_prepare_neptune_halt(uint8_t *request, int die, int core);
61  
62  int knc_decode_info(uint8_t *response, struct knc_die_info *die_info);
63  int knc_decode_report(uint8_t *response, struct knc_report *report, int version);
64  
65  void knc_prepare_neptune_message(int request_length, const uint8_t *request, uint8_t *buffer);
66  
67  #define KNC_ACCEPTED    (1<<0)
68  #define KNC_ERR_CRC     (1<<1)
69  #define KNC_ERR_ACK     (1<<2)
70  #define KNC_ERR_CRCACK  (1<<3)
71  #define KNC_ERR_UNAVAIL (1<<4)
72  #define KNC_ERR_MASK	(~(KNC_ACCEPTED))
73  #define KNC_IS_ERROR(x) (((x) & KNC_ERR_MASK) != 0)
74  
75  int knc_prepare_transfer(uint8_t *txbuf, int offset, int size, int channel, int request_length, const uint8_t *request, int response_length);
76  int knc_decode_response(uint8_t *rxbuf, int request_length, uint8_t **response, int response_length);
77  int knc_syncronous_transfer(void *ctx, int channel, int request_length, const uint8_t *request, int response_length, uint8_t *response);
78  
79  /* Detect ASIC DIE version */
80  int knc_detect_die(void *ctx, int channel, int die, struct knc_die_info *die_info);
81  
82  /* red, green, blue valid range 0 - 15. No response or checksum from controller */
83  int knc_prepare_led(uint8_t *txbuf, int offset, int size, int red, int green, int blue);
84  
85  /* Reset controller */
86  int knc_prepare_reset(uint8_t *txbuf, int offset, int size);
87  
88  #endif