thodg/cgminer/knc-asic.h

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• Hash : 0ae0a87d
  Author :
  Date : 2014-06-30T20:00:59
  

  Update knc-asic to current version, fixing next_state response bit decoding

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• knc-asic.h

• #ifndef _CGMINER_NEPTUNE_H
  #define _CGMINER_NEPTUNE_H 
  #include <stdint.h>
  #include "miner.h"
  
  /* ASIC Command codes */
  #define	KNC_ASIC_CMD_GETINFO             0x80
  #define KNC_ASIC_CMD_SETWORK             0x81
  #define KNC_ASIC_CMD_SETWORK_CLEAN       0x83        /* Neptune */
  #define KNC_ASIC_CMD_HALT                0x83        /* Jupiter */
  #define KNC_ASIC_CMD_REPORT              0x82
  
  /* Status byte */
  #define KNC_ASIC_ACK_CRC                    (1<<5)
  #define KNC_ASIC_ACK_ACCEPT                 (1<<2)
  #define KNC_ASIC_ACK_MASK                   (~(KNC_ASIC_ACK_CRC|KNC_ASIC_ACK_ACCEPT))
  #define KNC_ASIC_ACK_MATCH                  ((1<<7)|(1<<0))
  
  /* Version word */
  #define KNC_ASIC_VERSION_JUPITER            0xa001
  #define KNC_ASIC_VERSION_NEPTUNE            0xa002
  
  /* Limits of current chips & I/O board */
  #define KNC_MAX_CORES_PER_DIE	360
  #define KNC_MAX_ASICS 6
  
  struct knc_die_info {
  	enum {
  		KNC_VERSION_UNKNOWN = 0,
  		KNC_VERSION_JUPITER,
  		KNC_VERSION_NEPTUNE
  	} version;
  	char want_work[KNC_MAX_CORES_PER_DIE];
  	int cores;
  	int pll_locked;
  	int hash_reset_n;
  	int pll_reset_n;
  	int pll_power_down;
  };
  
  #define KNC_NONCES_PER_REPORT 5
  
  struct knc_report {
  	int next_state;
  	int state;
  	int next_slot;
  	int active_slot;
  	uint32_t progress;
  	struct {
  		int slot;
  		uint32_t nonce;
  	} nonce[KNC_NONCES_PER_REPORT];
  };
  
  int knc_prepare_info(uint8_t *request, int die, struct knc_die_info *die_info, int *response_size);
  int knc_prepare_report(uint8_t *request, int die, int core);
  int knc_prepare_neptune_setwork(uint8_t *request, int die, int core, int slot, struct work *work, int clean);
  int knc_prepare_jupiter_setwork(uint8_t *request, int die, int core, int slot, struct work *work);
  int knc_prepare_jupiter_halt(uint8_t *request, int die, int core);
  int knc_prepare_neptune_halt(uint8_t *request, int die, int core);
  
  int knc_decode_info(uint8_t *response, struct knc_die_info *die_info);
  int knc_decode_report(uint8_t *response, struct knc_report *report, int version);
  
  void knc_prepare_neptune_message(int request_length, const uint8_t *request, uint8_t *buffer);
  
  #define KNC_ACCEPTED    (1<<0)
  #define KNC_ERR_CRC     (1<<1)
  #define KNC_ERR_ACK     (1<<2)
  #define KNC_ERR_CRCACK  (1<<3)
  #define KNC_ERR_MASK	(~(KNC_ACCEPTED))
  
  int knc_prepare_transfer(uint8_t *txbuf, int offset, int size, int channel, int request_length, const uint8_t *request, int response_length);
  int knc_decode_response(uint8_t *rxbuf, int request_length, uint8_t **response, int response_length);
  int knc_syncronous_transfer(void *ctx, int channel, int request_length, const uint8_t *request, int response_length, uint8_t *response);
  
  /* Detect ASIC DIE version */
  int knc_detect_die(void *ctx, int channel, int die, struct knc_die_info *die_info);
  
  /* red, green, blue valid range 0 - 15. No response or checksum from controller */
  int knc_prepare_led(uint8_t *txbuf, int offset, int size, int red, int green, int blue);
  
  /* Reset controller */
  int knc_prepare_reset(uint8_t *txbuf, int offset, int size);
  
  #endif
  

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