thodg/cgminer/driver-hashfast.h

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• Hash : 485a093d
  Author :
  Date : 2014-02-06T15:34:18
  

  Minimise the die clock differences in hfa to no more than 50Mhz.

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• driver-hashfast.h

• /*
   * Copyright 2013 Con Kolivas <kernel@kolivas.org>
   * Copyright 2013 Hashfast
   *
   * This program is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License as published by the Free
   * Software Foundation; either version 3 of the License, or (at your option)
   * any later version.  See COPYING for more details.
   */
  
  #ifndef HASHFAST_H
  #define HASHFAST_H
  
  #ifdef USE_HASHFAST
  #include "miner.h"
  #include "elist.h"
  #include "hf_protocol.h"
  
  int opt_hfa_ntime_roll;
  int opt_hfa_hash_clock;
  int opt_hfa_overheat;
  int opt_hfa_target;
  bool opt_hfa_pll_bypass;
  bool opt_hfa_dfu_boot;
  int opt_hfa_fan_default;
  int opt_hfa_fan_max;
  int opt_hfa_fan_min;
  
  char *set_hfa_fan(char *arg);
  
  #define HASHFAST_MINER_THREADS 1
  #define HFA_CLOCK_DEFAULT 550
  #define HFA_CLOCK_MIN 125
  #define HFA_CLOCK_MAXDIFF 50
  #define HFA_TEMP_OVERHEAT 95
  #define HFA_TEMP_TARGET 88
  #define HFA_TEMP_HYSTERESIS 3
  #define HFA_FAN_DEFAULT 33
  #define HFA_FAN_MAX 85
  #define HFA_FAN_MIN 10
  
  // Matching fields for hf_statistics, but large #s for local accumulation, per-die
  struct hf_long_statistics {
  	uint64_t rx_header_crc;                     // Header CRCs
  	uint64_t rx_body_crc;                       // Data CRCs
  	uint64_t rx_header_timeouts;                // Header timeouts
  	uint64_t rx_body_timeouts;                  // Data timeouts
  	uint64_t core_nonce_fifo_full;              // Core nonce Q overrun events
  	uint64_t array_nonce_fifo_full;             // System nonce Q overrun events
  	uint64_t stats_overrun;                     // Overrun in statistics reporting
  };
  
  // Matching fields for hf_usb_stats1, but large #s for local accumulation, per device
  struct hf_long_usb_stats1 {
  	// USB incoming
  	uint64_t usb_rx_preambles;
  	uint64_t usb_rx_receive_byte_errors;
  	uint64_t usb_rx_bad_hcrc;
  
  	// USB outgoing
  	uint64_t usb_tx_attempts;
  	uint64_t usb_tx_packets;
  	uint64_t usb_tx_timeouts;
  	uint64_t usb_tx_incompletes;
  	uint64_t usb_tx_endpointstalled;
  	uint64_t usb_tx_disconnected;
  	uint64_t usb_tx_suspended;
  #if 0
  	/* We don't care about UART stats */
  	// UART transmit
  	uint64_t uart_tx_queue_dma;
  	uint64_t uart_tx_interrupts;
  
  	// UART receive
  	uint64_t uart_rx_preamble_ints;
  	uint64_t uart_rx_missed_preamble_ints;
  	uint64_t uart_rx_header_done;
  	uint64_t uart_rx_data_done;
  	uint64_t uart_rx_bad_hcrc;
  	uint64_t uart_rx_bad_dma;
  	uint64_t uart_rx_short_dma;
  	uint64_t uart_rx_buffers_full;
  #endif
  
  	uint8_t  max_tx_buffers;
  	uint8_t  max_rx_buffers;
  };
  
  /* Private per die data for dynamic clocking */
  struct hf_die_data {
  	int hash_clock;
  	double temp;
  	time_t last_restart;
  };
  
  struct hashfast_info {
  	int asic_count;                             // # of chips in the chain
  	int core_count;                             // # of cores per chip
  	int device_type;                            // What sort of device this is
  	int num_sequence;                           // A power of 2. What the sequence number range is.
  	int ref_frequency;                          // Reference clock rate
  	struct hf_g1_die_data *die_status;          // Array of per-die voltage, current, temperature sensor data
  	struct hf_long_statistics *die_statistics;  // Array of per-die error counters
  	struct hf_long_usb_stats1 stats1;
  	struct hf_die_data *die_data;
  	int hash_clock_rate;                        // Hash clock rate to use, in Mhz
  	struct hf_usb_init_base usb_init_base;      // USB Base information from USB_INIT
  	struct hf_config_data config_data;          // Configuration data used from USB_INIT
  	int core_bitmap_size;                       // in bytes
  	uint32_t *core_bitmap;                      // Core OK bitmap test results, run with PLL Bypassed
  	int group_ntime_roll;                       // Total ntime roll amount per group
  	int core_ntime_roll;                        // Total core ntime roll amount
  
  	pthread_mutex_t lock;
  	struct work **works;
  	uint16_t hash_sequence_head;                // HOST:   The next hash sequence # to be sent
  	uint16_t hash_sequence_tail;                // HOST:   Follows device_sequence_tail around to free work
  	uint16_t device_sequence_head;              // DEVICE: The most recent sequence number the device dispatched
  	uint16_t device_sequence_tail;              // DEVICE: The most recently completed job in the device
  	int64_t hash_count;
  	uint64_t raw_hashes;
  	uint64_t calc_hashes;
  	uint16_t shed_count;                        // Dynamic copy of #cores device has shed for thermal control
  	int no_matching_work;
  	int resets;
  	int overheat;
  	double max_temp;
  	int last_max_temp;
  	int temp_updates;
  	int fanspeed;                               // Fanspeed in percent
  	int last_die_adjusted;
  	int clock_offset;
  
  	pthread_t read_thr;
  	time_t last_restart;
  	time_t last_send;
  };
  
  #endif /* USE_HASHFAST */
  #endif	/* HASHFAST_H */
  

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