thodg/cgminer

diff --git a/driver-bitmain.h b/driver-bitmain.h
new file mode 100644
index 0000000..3f95a58
--- /dev/null
+++ b/driver-bitmain.h
@@ -0,0 +1,212 @@
+/*
+ * Copyright 2013 BitMain project
+ * Copyright 2013 BitMain <xlc1985@126.com>
+ *
+ * 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 BITMAIN_H
+#define BITMAIN_H
+
+#ifdef USE_BITMAIN
+
+#include "util.h"
+
+#define BITMAIN_RESET_FAULT_DECISECONDS 1
+#define BITMAIN_MINER_THREADS 1
+
+#define BITMAIN_IO_SPEED		115200
+#define BITMAIN_HASH_TIME_FACTOR	((float)1.67/0x32)
+#define BITMAIN_RESET_PITCH	(300*1000*1000)
+
+#define BITMAIN_TOKEN_TYPE_TXCONFIG 0x51
+#define BITMAIN_TOKEN_TYPE_TXTASK   0x52
+#define BITMAIN_TOKEN_TYPE_RXSTATUS 0x53
+
+#define BITMAIN_DATA_TYPE_RXSTATUS  0xa1
+#define BITMAIN_DATA_TYPE_RXNONCE   0xa2
+
+#define BITMAIN_FAN_FACTOR 120
+#define BITMAIN_PWM_MAX 0xA0
+#define BITMAIN_DEFAULT_FAN_MIN 20
+#define BITMAIN_DEFAULT_FAN_MAX 100
+#define BITMAIN_DEFAULT_FAN_MAX_PWM 0xA0 /* 100% */
+#define BITMAIN_DEFAULT_FAN_MIN_PWM 0x20 /*  20% */
+
+#define BITMAIN_TEMP_TARGET 50
+#define BITMAIN_TEMP_HYSTERESIS 3
+#define BITMAIN_TEMP_OVERHEAT 60
+
+#define BITMAIN_DEFAULT_TIMEOUT 0x2D
+#define BITMAIN_MIN_FREQUENCY 256
+#define BITMAIN_MAX_FREQUENCY 450
+#define BITMAIN_TIMEOUT_FACTOR 12690
+#define BITMAIN_DEFAULT_FREQUENCY 282
+#define BITMAIN_DEFAULT_VOLTAGE 5
+#define BITMAIN_DEFAULT_MINER_NUM 0x20
+#define BITMAIN_DEFAULT_ASIC_NUM 0xA
+
+#define BITMAIN_AUTO_CYCLE 1024
+
+#define BITMAIN_FTDI_READSIZE 510
+#define BITMAIN_USB_PACKETSIZE 512
+#define BITMAIN_SENDBUF_SIZE 64
+#define BITMAIN_READBUF_SIZE 8192
+#define BITMAIN_RESET_TIMEOUT 100
+#define BITMAIN_READ_TIMEOUT 18 /* Enough to only half fill the buffer */
+#define BITMAIN_LATENCY 1
+
+struct bitmain_txconfig_token {
+	uint8_t token_type;
+	uint8_t length;
+	uint8_t reset                :1;
+	uint8_t fan_eft              :1;
+	uint8_t timeout_eft          :1;
+	uint8_t frequency_eft        :1;
+	uint8_t voltage_eft          :1;
+	uint8_t chain_check_time_eft :1;
+	uint8_t chip_config_eft      :1;
+	uint8_t reserved1            :1;
+	uint8_t reserved2;
+
+	uint8_t miner_num;
+	uint8_t asic_num;
+	uint8_t fan_pwm_data;
+	uint8_t timeout_data;
+
+	uint16_t frequency;
+	uint8_t voltage;
+	uint8_t chain_check_time;
+
+	uint32_t reg_data;
+	uint8_t chip_address;
+	uint8_t reg_address;
+	uint16_t crc;
+} __attribute__((packed, aligned(4)));
+
+struct bitmain_txtask_token {
+	uint8_t token_type;
+	uint8_t length;
+	uint8_t new_block            :1;
+	uint8_t reserved1            :7;
+	uint8_t reserved2;
+
+	uint32_t work_id;
+	uint8_t midstate[32];
+	uint8_t data2[12];
+	uint8_t reserved3[2];
+	uint16_t crc;
+} __attribute__((packed, aligned(4)));
+
+struct bitmain_rxstatus_token {
+	uint8_t token_type;
+	uint8_t length;
+	uint8_t chip_status_eft      :1;
+	uint8_t detect_get           :1;
+	uint8_t reserved1            :6;
+	uint8_t reserved2;
+
+	uint8_t chip_address;
+	uint8_t reg_address;
+	uint16_t crc;
+} __attribute__((packed, aligned(4)));
+
+struct bitmain_rxstatus_data {
+	uint8_t data_type;
+	uint8_t length;
+	uint8_t chip_value_eft       :1;
+	uint8_t reserved1            :7;
+	uint8_t reserved2;
+
+	uint32_t reg_value;
+	uint8_t miner_num;
+	uint8_t asic_num;
+	uint8_t temp_num;
+	uint8_t fan_num;
+	uint8_t temp[1024];
+	uint8_t fan[1024];
+	uint16_t crc;
+} __attribute__((packed, aligned(4)));
+
+struct bitmain_rxnonce_data {
+	uint8_t data_type;
+	uint8_t length;
+	uint8_t reserved1[2];
+	uint32_t work_id;
+	uint32_t nonce;
+} __attribute__((packed, aligned(4)));
+
+struct bitmain_info {
+	int baud;
+	int miner_num;
+	int asic_num;
+	int timeout;
+
+	int fan_num;
+	int fan[1024];
+	int temp_num;
+	int temp[1024];
+
+	int temp_max;
+	int temp_avg;
+	int temp_history_count;
+	int temp_history_index;
+	int temp_sum;
+	int temp_old;
+	int fan_pwm;
+
+	int no_matching_work;
+	int matching_work[BITMAIN_DEFAULT_MINER_NUM];
+
+	int frequency;
+
+	struct thr_info *thr;
+	pthread_t read_thr;
+	pthread_t write_thr;
+	pthread_mutex_t lock;
+	pthread_mutex_t qlock;
+	pthread_cond_t qcond;
+	cgsem_t write_sem;
+	int nonces;
+
+	int auto_queued;
+	int auto_nonces;
+	int auto_hw;
+
+	int idle;
+	bool reset;
+	bool overheat;
+	bool optimal;
+};
+
+#define BITMAIN_READ_SIZE 12
+#define BITMAIN_ARRAY_SIZE 512
+
+#define BTM_GETS_ERROR -1
+#define BTM_GETS_OK 0
+
+#define BTM_SEND_ERROR -1
+#define BTM_SEND_OK 0
+
+#define bitmain_buffer_full(bitmain) !usb_ftdi_cts(bitmain)
+
+#define BITMAIN_READ_TIME(baud) ((double)BITMAIN_READ_SIZE * (double)8.0 / (double)(baud))
+#define ASSERT1(condition) __maybe_unused static char sizeof_uint32_t_must_be_4[(condition)?1:-1]
+ASSERT1(sizeof(uint32_t) == 4);
+
+extern struct bitmain_info **bitmain_info;
+extern int opt_bitmain_temp;
+extern int opt_bitmain_overheat;
+extern int opt_bitmain_fan_min;
+extern int opt_bitmain_fan_max;
+extern int opt_bitmain_freq_min;
+extern int opt_bitmain_freq_max;
+extern bool opt_bitmain_auto;
+extern char *set_bitmain_fan(char *arg);
+extern char *set_bitmain_freq(char *arg);
+
+#endif /* USE_BITMAIN */
+#endif	/* BITMAIN_H */