/*
* Copyright 2012 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 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;
uint8_t bus_number;
uint8_t device_address;
uint16_t usbver;
int speed;
char *prod_string;
char *manuf_string;
char *serial_string;
unsigned char fwVersion; // ??
unsigned char interfaceVersion; // ??
};
enum usb_cmds {
C_PING = 0,
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_MAX
};
struct device_api;
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_api *api, 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
