thodg/cgminer/usbutils.h

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• Hash : e35e8ae1
  Author :
  Date : 2013-03-04T09:45:07
  

  Implement and use usb_cleanup() on shutdown or restart

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• usbutils.h

• /*
   * Copyright 2012-2013 Andrew Smith
   *
   * 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 USBUTILS_H
  #define USBUTILS_H
  
  #include <libusb.h>
  
  // for 0x0403/0x6014 FT232H (and possibly others?)
  #define FTDI_TYPE_OUT (LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_RECIPIENT_DEVICE | LIBUSB_ENDPOINT_OUT)
  
  #define FTDI_REQUEST_RESET ((uint8_t)0)
  #define FTDI_REQUEST_MODEM ((uint8_t)1)
  #define FTDI_REQUEST_FLOW ((uint8_t)2)
  #define FTDI_REQUEST_BAUD ((uint8_t)3)
  #define FTDI_REQUEST_DATA ((uint8_t)4)
  
  #define FTDI_VALUE_RESET 0
  #define FTDI_VALUE_PURGE_RX 1
  #define FTDI_VALUE_PURGE_TX 2
  
  // baud with a 0 divisor is 120,000,000/10
  //#define FTDI_VALUE_BAUD (0)
  //#define FTDI_INDEX_BAUD (0)
  #define FTDI_VALUE_BAUD 0xc068
  #define FTDI_INDEX_BAUD 0x0200
  
  #define FTDI_VALUE_DATA 0
  #define FTDI_VALUE_FLOW 0
  #define FTDI_VALUE_MODEM 0x0303
  
  // Use the device defined timeout
  #define DEVTIMEOUT 0
  
  // For endpoints defined in usb_find_devices.eps,
  // the first two must be the default IN and OUT
  #define DEFAULT_EP_IN 0
  #define DEFAULT_EP_OUT 1
  
  struct usb_endpoints {
  	uint8_t att;
  	uint16_t size;
  	unsigned char ep;
  	bool found;
  };
  
  struct usb_find_devices {
  	int drv;
  	const char *name;
  	uint16_t idVendor;
  	uint16_t idProduct;
  	int kernel;
  	int config;
  	int interface;
  	unsigned int timeout;
  	int epcount;
  	struct usb_endpoints *eps;
  };
  
  struct cg_usb_device {
  	struct usb_find_devices *found;
  	libusb_device_handle *handle;
  	pthread_mutex_t *mutex;
  	struct libusb_device_descriptor *descriptor;
  	uint16_t usbver;
  	int speed;
  	char *prod_string;
  	char *manuf_string;
  	char *serial_string;
  	unsigned char fwVersion;	// ??
  	unsigned char interfaceVersion;	// ??
  };
  
  struct cg_usb_info {
  	uint8_t bus_number;
  	uint8_t device_address;
  	int usbstat;
  	bool nodev;
  	int nodev_count;
  	struct timeval last_nodev;
  };
  
  enum usb_cmds {
  	C_REJECTED = 0,
  	C_PING,
  	C_CLEAR,
  	C_REQUESTVERSION,
  	C_GETVERSION,
  	C_REQUESTFPGACOUNT,
  	C_GETFPGACOUNT,
  	C_STARTPROGRAM,
  	C_STARTPROGRAMSTATUS,
  	C_PROGRAM,
  	C_PROGRAMSTATUS,
  	C_PROGRAMSTATUS2,
  	C_FINALPROGRAMSTATUS,
  	C_SETCLOCK,
  	C_REPLYSETCLOCK,
  	C_REQUESTUSERCODE,
  	C_GETUSERCODE,
  	C_REQUESTTEMPERATURE,
  	C_GETTEMPERATURE,
  	C_SENDWORK,
  	C_SENDWORKSTATUS,
  	C_REQUESTWORKSTATUS,
  	C_GETWORKSTATUS,
  	C_REQUESTIDENTIFY,
  	C_GETIDENTIFY,
  	C_REQUESTFLASH,
  	C_REQUESTSENDWORK,
  	C_REQUESTSENDWORKSTATUS,
  	C_RESET,
  	C_SETBAUD,
  	C_SETDATA,
  	C_SETFLOW,
  	C_SETMODEM,
  	C_PURGERX,
  	C_PURGETX,
  	C_FLASHREPLY,
  	C_MAX
  };
  
  struct device_drv;
  struct cgpu_info;
  
  void usb_uninit(struct cgpu_info *cgpu);
  bool usb_init(struct cgpu_info *cgpu, struct libusb_device *dev, struct usb_find_devices *found);
  void usb_detect(struct device_drv *drv, bool (*device_detect)(struct libusb_device *, struct usb_find_devices *));
  struct api_data *api_usb_stats(int *count);
  void update_usb_stats(struct cgpu_info *cgpu);
  int _usb_read(struct cgpu_info *cgpu, int ep, char *buf, size_t bufsiz, int *processed, unsigned int timeout, int eol, enum usb_cmds, bool ftdi);
  int _usb_write(struct cgpu_info *cgpu, int ep, char *buf, size_t bufsiz, int *processed, unsigned int timeout, enum usb_cmds);
  int _usb_transfer(struct cgpu_info *cgpu, uint8_t request_type, uint8_t bRequest, uint16_t wValue, uint16_t wIndex, unsigned int timeout, enum usb_cmds cmd);
  void usb_cleanup();
  
  #define usb_read(cgpu, buf, bufsiz, read, cmd) \
  	_usb_read(cgpu, DEFAULT_EP_IN, buf, bufsiz, read, DEVTIMEOUT, -1, cmd, false)
  
  #define usb_read_nl(cgpu, buf, bufsiz, read, cmd) \
  	_usb_read(cgpu, DEFAULT_EP_IN, buf, bufsiz, read, DEVTIMEOUT, '\n', cmd, false)
  
  #define usb_read_ep(cgpu, ep, buf, bufsiz, read, cmd) \
  	_usb_read(cgpu, ep, buf, bufsiz, read, DEVTIMEOUT, -1, cmd, false)
  
  #define usb_read_timeout(cgpu, buf, bufsiz, read, timeout, cmd) \
  	_usb_read(cgpu, DEFAULT_EP_IN, buf, bufsiz, read, timeout, -1, cmd, false)
  
  #define usb_read_ep_timeout(cgpu, ep, buf, bufsiz, read, timeout, cmd) \
  	_usb_read(cgpu, ep, buf, bufsiz, read, timeout, -1, cmd, false)
  
  #define usb_write(cgpu, buf, bufsiz, wrote, cmd) \
  	_usb_write(cgpu, DEFAULT_EP_OUT, buf, bufsiz, wrote, DEVTIMEOUT, cmd)
  
  #define usb_write_ep(cgpu, ep, buf, bufsiz, wrote, cmd) \
  	_usb_write(cgpu, ep, buf, bufsiz, wrote, DEVTIMEOUT, cmd)
  
  #define usb_write_timeout(cgpu, buf, bufsiz, wrote, timeout, cmd) \
  	_usb_write(cgpu, DEFAULT_EP_OUT, buf, bufsiz, wrote, timeout, cmd)
  
  #define usb_write_ep_timeout(cgpu, ep, buf, bufsiz, wrote, timeout, cmd) \
  	_usb_write(cgpu, ep, buf, bufsiz, wrote, timeout, cmd)
  
  #define usb_ftdi_read_nl(cgpu, buf, bufsiz, read, cmd) \
  	_usb_read(cgpu, DEFAULT_EP_IN, buf, bufsiz, read, DEVTIMEOUT, '\n', cmd, true)
  
  #define usb_transfer(cgpu, typ, req, val, idx, cmd) \
  	_usb_transfer(cgpu, typ, req, val, idx, DEVTIMEOUT, cmd)
  
  #endif
  

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