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@@ -1,915 +0,0 @@
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-/**
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- * libztex.c - Ztex 1.15x/1.15y fpga board support library
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- *
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- * Copyright (c) 2012 nelisky.btc@gmail.com
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- * Copyright (c) 2012 Denis Ahrens <denis@h3q.com>
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- * Copyright (c) 2012 Peter Stuge <peter@stuge.se>
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- *
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- * This work is based upon the Java SDK provided by ztex which is
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- * Copyright (C) 2009-2011 ZTEX GmbH.
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- * http://www.ztex.de
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope that it will be useful, but
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- * WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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- * General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this program; if not, see http://www.gnu.org/licenses/.
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-**/
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-
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-#include "config.h"
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-
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-#include <stdio.h>
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-#include <unistd.h>
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-#include <string.h>
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-
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-#include "miner.h"
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-#include "fpgautils.h"
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-#include "libztex.h"
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-
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-//* Capability index for EEPROM support.
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-#define CAPABILITY_EEPROM 0,0
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-//* Capability index for FPGA configuration support.
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-#define CAPABILITY_FPGA 0,1
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-//* Capability index for FLASH memory support.
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-#define CAPABILITY_FLASH 0,2
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-//* Capability index for DEBUG helper support.
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-#define CAPABILITY_DEBUG 0,3
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-//* Capability index for AVR XMEGA support.
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-#define CAPABILITY_XMEGA 0,4
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-//* Capability index for AVR XMEGA support.
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-#define CAPABILITY_HS_FPGA 0,5
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-//* Capability index for AVR XMEGA support.
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-#define CAPABILITY_MAC_EEPROM 0,6
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-//* Capability index for multi FPGA support.
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-#define CAPABILITY_MULTI_FPGA 0,7
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-
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-static int libztex_get_string_descriptor_ascii(libusb_device_handle *dev, uint8_t desc_index,
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- unsigned char *data, int length)
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-{
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- int i, cnt;
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- uint16_t langid;
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- unsigned char buf[260];
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-
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- /* We open code string descriptor retrieval and ASCII decoding here
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- * in order to work around that libusb_get_string_descriptor_ascii()
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- * in the FreeBSD libusb implementation hits a bug in ZTEX firmware,
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- * where the device returns more bytes than requested, causing babble,
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- * which makes FreeBSD return an error to us.
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- *
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- * Avoid the mess by doing it manually the same way as libusb-1.0.
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- */
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-
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- cnt = libusb_control_transfer(dev, LIBUSB_ENDPOINT_IN,
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- LIBUSB_REQUEST_GET_DESCRIPTOR, (LIBUSB_DT_STRING << 8) | 0,
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- 0x0000, buf, sizeof(buf), 1000);
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- if (cnt < 0) {
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- applog(LOG_ERR, "%s: Failed to read LANGIDs: %d", __func__, cnt);
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- return cnt;
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- }
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-
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- langid = libusb_le16_to_cpu(((uint16_t *)buf)[1]);
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-
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- cnt = libusb_control_transfer(dev, LIBUSB_ENDPOINT_IN,
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- LIBUSB_REQUEST_GET_DESCRIPTOR, (LIBUSB_DT_STRING << 8) | desc_index,
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- langid, buf, sizeof(buf), 1000);
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- if (cnt < 0) {
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- applog(LOG_ERR, "%s: Failed to read string descriptor: %d", __func__, cnt);
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- return cnt;
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- }
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-
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- /* num chars = (all bytes except bLength and bDescriptorType) / 2 */
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- for (i = 0; i <= (cnt - 2) / 2 && i < length-1; i++)
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- data[i] = buf[2 + i*2];
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-
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- data[i] = 0;
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-
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- return LIBUSB_SUCCESS;
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-}
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-
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-enum check_result
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-{
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- CHECK_ERROR,
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- CHECK_IS_NOT_ZTEX,
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- CHECK_OK,
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- CHECK_RESCAN,
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-};
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-
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-static bool libztex_firmwareReset(struct libusb_device_handle *hndl, bool enable)
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-{
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- uint8_t reset = enable;
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- int cnt = libusb_control_transfer(hndl, 0x40, 0xA0, 0xE600, 0, &reset, 1, 1000);
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- if (cnt < 0)
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- {
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- applog(LOG_ERR, "Ztex reset %d failed: %d", enable, cnt);
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- return 1;
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- }
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-
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- return 0;
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-}
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-
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-static enum check_result libztex_checkDevice(struct libusb_device *dev)
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-{
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- FILE *fp = NULL;
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- libusb_device_handle *hndl = NULL;
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- struct libusb_device_descriptor desc;
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- int ret = CHECK_ERROR, err, cnt;
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- size_t got_bytes, length;
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- unsigned char buf[64], *fw_buf;
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- unsigned int i;
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-
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- err = libusb_get_device_descriptor(dev, &desc);
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- if (unlikely(err != 0)) {
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- applog(LOG_ERR, "Ztex check device: Failed to open read descriptor with error %d", err);
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- return CHECK_ERROR;
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- }
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-
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- if (desc.idVendor != LIBZTEX_IDVENDOR || desc.idProduct != LIBZTEX_IDPRODUCT) {
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- applog(LOG_DEBUG, "Not a ZTEX device %04x:%04x", desc.idVendor, desc.idProduct);
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- return CHECK_IS_NOT_ZTEX;
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- }
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-
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- err = libusb_open(dev, &hndl);
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- if (err != LIBUSB_SUCCESS) {
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- applog(LOG_ERR, "%s: Can not open ZTEX device: %d", __func__, err);
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- goto done;
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- }
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-
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- cnt = libusb_control_transfer(hndl, 0xc0, 0x22, 0, 0, buf, 40, 500);
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- if (unlikely(cnt < 0)) {
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- applog(LOG_ERR, "Ztex check device: Failed to read ztex descriptor with err %d", cnt);
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- goto done;
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- }
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-
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- if (buf[0] != 40 || buf[1] != 1 || buf[2] != 'Z' || buf[3] != 'T' || buf[4] != 'E' || buf[5] != 'X') {
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- applog(LOG_ERR, "Ztex check device: Error reading ztex descriptor");
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- goto done;
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- }
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-
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- if (buf[6] != 10)
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- {
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- ret = CHECK_IS_NOT_ZTEX;
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- goto done;
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- }
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-
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- // 15 = 1.15y 13 = 1.15d or 1.15x
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- switch(buf[7])
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- {
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- case 13:
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- applog(LOG_ERR, "Found ztex board 1.15d or 1.15x");
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- break;
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- case 15:
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- applog(LOG_ERR, "Found ztex board 1.15y");
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- break;
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- default:
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- applog(LOG_ERR, "Found unknown ztex board");
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- ret = CHECK_IS_NOT_ZTEX;
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- goto done;
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- }
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-
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- // testing for dummy firmware
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- if (buf[8] != 0) {
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- ret = CHECK_OK;
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- goto done;
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- }
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-
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- applog(LOG_ERR, "Found dummy firmware, trying to send mining firmware");
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-
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- char productString[32];
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-
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- cnt = libztex_get_string_descriptor_ascii(hndl, desc.iProduct, (unsigned char*)productString, sizeof(productString));
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- if (unlikely(cnt < 0)) {
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- applog(LOG_ERR, "Ztex check device: Failed to read device productString with err %d", cnt);
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- return cnt;
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- }
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-
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- applog(LOG_ERR, "productString: %s", productString);
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-
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- unsigned char productID2 = buf[7];
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- char *firmware = NULL;
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-
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- if (strcmp("USB-FPGA Module 1.15d (default)", productString) == 0 && productID2 == 13)
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- {
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- firmware = "ztex_ufm1_15d4.bin";
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- }
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- else if (strcmp("USB-FPGA Module 1.15x (default)", productString) == 0 && productID2 == 13)
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- {
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- firmware = "ztex_ufm1_15d4.bin";
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- }
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- else if (strcmp("USB-FPGA Module 1.15y (default)", productString) == 0 && productID2 == 15)
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- {
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- firmware = "ztex_ufm1_15y1.bin";
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- }
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-
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- if (firmware == NULL)
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- {
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- applog(LOG_ERR, "could not figure out which firmware to use");
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- goto done;
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- }
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-
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- applog(LOG_ERR, "Mining firmware filename: %s", firmware);
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-
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- fp = open_bitstream("ztex", firmware);
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- if (!fp) {
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- applog(LOG_ERR, "failed to open firmware file '%s'", firmware);
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- goto done;
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- }
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-
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- if (0 != fseek(fp, 0, SEEK_END)) {
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- applog(LOG_ERR, "Ztex firmware fseek: %s", strerror(errno));
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- goto done;
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- }
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-
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- length = ftell(fp);
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- rewind(fp);
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- fw_buf = malloc(length);
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- if (!fw_buf) {
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- applog(LOG_ERR, "%s: Can not allocate memory: %s", __func__, strerror(errno));
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- goto done;
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- }
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-
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- got_bytes = fread(fw_buf, 1, length, fp);
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- fclose(fp);
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- fp = NULL;
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-
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- if (got_bytes < length) {
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- applog(LOG_ERR, "%s: Incomplete firmware read: %d/%d", __func__, (int)got_bytes, (int)length);
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- goto done;
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- }
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-
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- // in buf[] is still the identifier of the dummy firmware
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- // use it to compare it with the new firmware
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- char *rv = memmem(fw_buf, got_bytes, buf, 8);
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- if (rv == NULL)
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- {
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- applog(LOG_ERR, "%s: found firmware is not ZTEX", __func__);
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- goto done;
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- }
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-
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- // check for dummy firmware
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- if (rv[8] == 0)
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- {
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- applog(LOG_ERR, "%s: found a ZTEX dummy firmware", __func__);
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- goto done;
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- }
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-
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- if (libztex_firmwareReset(hndl, true))
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- goto done;
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-
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- for (i = 0; i < length; i+= 256) {
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- // firmware wants data in small chunks like 256 bytes
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- int numbytes = (length - i) < 256 ? (length - i) : 256;
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- int k = libusb_control_transfer(hndl, 0x40, 0xA0, i, 0, fw_buf + i, numbytes, 1000);
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- if (k < numbytes)
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- {
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- applog(LOG_ERR, "Ztex device: Failed to write firmware at %d with err: %d", i, k);
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- goto done;
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- }
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- }
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-
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- if (libztex_firmwareReset(hndl, false))
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- goto done;
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-
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- applog(LOG_ERR, "Ztex device: succesfully wrote firmware");
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- ret = CHECK_RESCAN;
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-
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-done:
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- if (fp)
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- fclose(fp);
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- if (hndl)
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- libusb_close(hndl);
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- return ret;
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-}
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-
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-static bool libztex_checkCapability(struct libztex_device *ztex, int i, int j)
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-{
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- if (!((i >= 0) && (i <= 5) && (j >= 0) && (j < 8) &&
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- (((ztex->interfaceCapabilities[i] & 255) & (1 << j)) != 0))) {
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- applog(LOG_ERR, "%s: capability missing: %d %d", ztex->repr, i, j);
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- return false;
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- }
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- return true;
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-}
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-
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-static char libztex_detectBitstreamBitOrder(const unsigned char *buf, int size)
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-{
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- int i;
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-
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- for (i = 0; i < size - 4; i++) {
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- if (((buf[i] & 255) == 0xaa) && ((buf[i + 1] & 255) == 0x99) && ((buf[i + 2] & 255) == 0x55) && ((buf[i + 3] & 255) == 0x66))
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- return 1;
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- if (((buf[i] & 255) == 0x55) && ((buf[i + 1] & 255) == 0x99) && ((buf[i + 2] & 255) == 0xaa) && ((buf[i + 3] & 255) == 0x66))
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- return 0;
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- }
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- applog(LOG_WARNING, "Unable to determine bitstream bit order: no signature found");
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- return 0;
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-}
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-
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-static void libztex_swapBits(unsigned char *buf, int size)
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-{
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- unsigned char c;
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- int i;
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-
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- for (i = 0; i < size; i++) {
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- c = buf[i];
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- buf[i] = ((c & 128) >> 7) |
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- ((c & 64) >> 5) |
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- ((c & 32) >> 3) |
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- ((c & 16) >> 1) |
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- ((c & 8) << 1) |
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- ((c & 4) << 3) |
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- ((c & 2) << 5) |
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- ((c & 1) << 7);
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- }
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-}
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-
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-static int libztex_getFpgaState(struct libztex_device *ztex, struct libztex_fpgastate *state)
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-{
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- unsigned char buf[9];
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- int cnt;
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-
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- if (!libztex_checkCapability(ztex, CAPABILITY_FPGA))
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- return -1;
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- cnt = libusb_control_transfer(ztex->hndl, 0xc0, 0x30, 0, 0, buf, 9, 1000);
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- if (unlikely(cnt < 0)) {
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- applog(LOG_ERR, "%s: Failed getFpgaState with err %d", ztex->repr, cnt);
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- return cnt;
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- }
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- state->fpgaConfigured = (buf[0] == 0);
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- state->fpgaChecksum = buf[1] & 0xff;
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- state->fpgaBytes = ((buf[5] & 0xff) << 24) | ((buf[4] & 0xff) << 16) | ((buf[3] & 0xff) << 8) | (buf[2] & 0xff);
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- state->fpgaInitB = buf[6] & 0xff;
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- state->fpgaFlashResult = buf[7];
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- state->fpgaFlashBitSwap = (buf[8] != 0);
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- return 0;
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-}
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-
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-static int libztex_configureFpgaHS(struct libztex_device *ztex, const char* firmware, bool force, char bs)
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-{
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- struct libztex_fpgastate state;
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- const int transactionBytes = 65536;
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- unsigned char buf[transactionBytes], settings[2];
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- int tries, cnt, err;
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- FILE *fp;
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-
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- if (!libztex_checkCapability(ztex, CAPABILITY_HS_FPGA))
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- return -1;
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- libztex_getFpgaState(ztex, &state);
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- if (!force && state.fpgaConfigured) {
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- applog(LOG_INFO, "Bitstream already configured");
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- return 0;
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- }
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- cnt = libusb_control_transfer(ztex->hndl, 0xc0, 0x33, 0, 0, settings, 2, 1000);
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- if (unlikely(cnt < 0)) {
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- applog(LOG_ERR, "%s: Failed getHSFpgaSettings with err %d", ztex->repr, cnt);
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- return cnt;
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- }
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-
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- err = libusb_claim_interface(ztex->hndl, settings[1]);
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- if (err != LIBUSB_SUCCESS) {
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- applog(LOG_ERR, "%s: failed to claim interface for hs transfer", ztex->repr);
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- return -4;
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- }
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-
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- for (tries = 3; tries > 0; tries--) {
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- fp = open_bitstream("ztex", firmware);
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- if (!fp) {
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- applog(LOG_ERR, "%s: failed to read bitstream '%s'", ztex->repr, firmware);
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- libusb_release_interface(ztex->hndl, settings[1]);
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- return -2;
|
|
|
- }
|
|
|
-
|
|
|
- libusb_control_transfer(ztex->hndl, 0x40, 0x34, 0, 0, NULL, 0, 1000);
|
|
|
- // 0x34 - initHSFPGAConfiguration
|
|
|
-
|
|
|
- do
|
|
|
- {
|
|
|
- int length = fread(buf,1,transactionBytes,fp);
|
|
|
-
|
|
|
- if (bs != 0 && bs != 1)
|
|
|
- bs = libztex_detectBitstreamBitOrder(buf, length);
|
|
|
- if (bs == 1)
|
|
|
- libztex_swapBits(buf, length);
|
|
|
-
|
|
|
- err = libusb_bulk_transfer(ztex->hndl, settings[0], buf, length, &cnt, 1000);
|
|
|
- if (cnt != length)
|
|
|
- applog(LOG_ERR, "%s: cnt != length", ztex->repr);
|
|
|
- if (err != 0)
|
|
|
- applog(LOG_ERR, "%s: Failed send hs fpga data", ztex->repr);
|
|
|
- }
|
|
|
- while (!feof(fp));
|
|
|
-
|
|
|
- libusb_control_transfer(ztex->hndl, 0x40, 0x35, 0, 0, NULL, 0, 1000);
|
|
|
- // 0x35 - finishHSFPGAConfiguration
|
|
|
- if (cnt >= 0)
|
|
|
- tries = 0;
|
|
|
-
|
|
|
- fclose(fp);
|
|
|
-
|
|
|
- libztex_getFpgaState(ztex, &state);
|
|
|
- if (!state.fpgaConfigured) {
|
|
|
- applog(LOG_ERR, "%s: HS FPGA configuration failed: DONE pin does not go high", ztex->repr);
|
|
|
- libusb_release_interface(ztex->hndl, settings[1]);
|
|
|
- return -3;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- libusb_release_interface(ztex->hndl, settings[1]);
|
|
|
-
|
|
|
- cgsleep_ms(200);
|
|
|
- applog(LOG_INFO, "%s: HS FPGA configuration done", ztex->repr);
|
|
|
- return 0;
|
|
|
-}
|
|
|
-
|
|
|
-static int libztex_configureFpgaLS(struct libztex_device *ztex, const char* firmware, bool force, char bs)
|
|
|
-{
|
|
|
- struct libztex_fpgastate state;
|
|
|
- const int transactionBytes = 2048;
|
|
|
- unsigned char buf[transactionBytes];
|
|
|
- int tries, cnt;
|
|
|
- FILE *fp;
|
|
|
-
|
|
|
- if (!libztex_checkCapability(ztex, CAPABILITY_FPGA))
|
|
|
- return -1;
|
|
|
-
|
|
|
- libztex_getFpgaState(ztex, &state);
|
|
|
- if (!force && state.fpgaConfigured) {
|
|
|
- applog(LOG_DEBUG, "Bitstream already configured");
|
|
|
- return 0;
|
|
|
- }
|
|
|
-
|
|
|
- for (tries = 10; tries > 0; tries--) {
|
|
|
- fp = open_bitstream("ztex", firmware);
|
|
|
- if (!fp) {
|
|
|
- applog(LOG_ERR, "%s: failed to read bitstream '%s'", ztex->repr, firmware);
|
|
|
- return -2;
|
|
|
- }
|
|
|
-
|
|
|
- //* Reset fpga
|
|
|
- cnt = libztex_resetFpga(ztex);
|
|
|
- if (unlikely(cnt < 0)) {
|
|
|
- applog(LOG_ERR, "%s: Failed reset fpga with err %d", ztex->repr, cnt);
|
|
|
- continue;
|
|
|
- }
|
|
|
-
|
|
|
- do
|
|
|
- {
|
|
|
- int length = fread(buf, 1, transactionBytes, fp);
|
|
|
-
|
|
|
- if (bs != 0 && bs != 1)
|
|
|
- bs = libztex_detectBitstreamBitOrder(buf, length);
|
|
|
- if (bs == 1)
|
|
|
- libztex_swapBits(buf, length);
|
|
|
- cnt = libusb_control_transfer(ztex->hndl, 0x40, 0x32, 0, 0, buf, length, 5000);
|
|
|
- if (cnt != length)
|
|
|
- {
|
|
|
- applog(LOG_ERR, "%s: Failed send ls fpga data", ztex->repr);
|
|
|
- break;
|
|
|
- }
|
|
|
- }
|
|
|
- while (!feof(fp));
|
|
|
-
|
|
|
- if (cnt > 0)
|
|
|
- tries = 0;
|
|
|
-
|
|
|
- fclose(fp);
|
|
|
- }
|
|
|
-
|
|
|
- libztex_getFpgaState(ztex, &state);
|
|
|
- if (!state.fpgaConfigured) {
|
|
|
- applog(LOG_ERR, "%s: LS FPGA configuration failed: DONE pin does not go high", ztex->repr);
|
|
|
- return -3;
|
|
|
- }
|
|
|
-
|
|
|
- cgsleep_ms(200);
|
|
|
- applog(LOG_INFO, "%s: FPGA configuration done", ztex->repr);
|
|
|
- return 0;
|
|
|
-}
|
|
|
-
|
|
|
-int libztex_configureFpga(struct libztex_device *ztex)
|
|
|
-{
|
|
|
- char buf[256];
|
|
|
- int rv;
|
|
|
-
|
|
|
- strcpy(buf, ztex->bitFileName);
|
|
|
- strcat(buf, ".bit");
|
|
|
- rv = libztex_configureFpgaHS(ztex, buf, true, 2);
|
|
|
- if (rv != 0)
|
|
|
- rv = libztex_configureFpgaLS(ztex, buf, true, 2);
|
|
|
- return rv;
|
|
|
-}
|
|
|
-
|
|
|
-int libztex_numberOfFpgas(struct libztex_device *ztex)
|
|
|
-{
|
|
|
- int cnt;
|
|
|
- unsigned char buf[3];
|
|
|
-
|
|
|
- if (ztex->numberOfFpgas < 0) {
|
|
|
- if (libztex_checkCapability(ztex, CAPABILITY_MULTI_FPGA)) {
|
|
|
- cnt = libusb_control_transfer(ztex->hndl, 0xc0, 0x50, 0, 0, buf, 3, 1000);
|
|
|
- if (unlikely(cnt < 0)) {
|
|
|
- applog(LOG_ERR, "%s: Failed getMultiFpgaInfo with err %d", ztex->repr, cnt);
|
|
|
- return cnt;
|
|
|
- }
|
|
|
- ztex->numberOfFpgas = buf[0] + 1;
|
|
|
- ztex->selectedFpga = -1;//buf[1];
|
|
|
- ztex->parallelConfigSupport = (buf[2] == 1);
|
|
|
- } else {
|
|
|
- ztex->numberOfFpgas = 1;
|
|
|
- ztex->selectedFpga = -1;//0;
|
|
|
- ztex->parallelConfigSupport = false;
|
|
|
- }
|
|
|
- }
|
|
|
- return ztex->numberOfFpgas;
|
|
|
-}
|
|
|
-
|
|
|
-int libztex_selectFpga(struct libztex_device *ztex)
|
|
|
-{
|
|
|
- int cnt, fpgacnt = libztex_numberOfFpgas(ztex->root);
|
|
|
- int16_t number = ztex->fpgaNum;
|
|
|
-
|
|
|
- if (number < 0 || number >= fpgacnt) {
|
|
|
- applog(LOG_WARNING, "%s: Trying to select wrong fpga (%d in %d)", ztex->repr, number, fpgacnt);
|
|
|
- return 1;
|
|
|
- }
|
|
|
- if (ztex->root->selectedFpga != number && libztex_checkCapability(ztex->root, CAPABILITY_MULTI_FPGA)) {
|
|
|
- cnt = libusb_control_transfer(ztex->root->hndl, 0x40, 0x51, (uint16_t)number, 0, NULL, 0, 500);
|
|
|
- if (unlikely(cnt < 0)) {
|
|
|
- applog(LOG_ERR, "Ztex check device: Failed to set fpga with err %d", cnt);
|
|
|
- ztex->root->selectedFpga = -1;
|
|
|
- return cnt;
|
|
|
- }
|
|
|
- ztex->root->selectedFpga = number;
|
|
|
- }
|
|
|
- return 0;
|
|
|
-}
|
|
|
-
|
|
|
-int libztex_setFreq(struct libztex_device *ztex, uint16_t freq)
|
|
|
-{
|
|
|
- int cnt;
|
|
|
- uint16_t oldfreq = ztex->freqM;
|
|
|
-
|
|
|
- if (freq > ztex->freqMaxM)
|
|
|
- freq = ztex->freqMaxM;
|
|
|
-
|
|
|
- cnt = libusb_control_transfer(ztex->hndl, 0x40, 0x83, freq, 0, NULL, 0, 500);
|
|
|
- if (unlikely(cnt < 0)) {
|
|
|
- applog(LOG_ERR, "Ztex check device: Failed to set frequency with err %d", cnt);
|
|
|
- return cnt;
|
|
|
- }
|
|
|
- ztex->freqM = freq;
|
|
|
- if (oldfreq > ztex->freqMaxM)
|
|
|
- applog(LOG_WARNING, "%s: Frequency set to %0.1f MHz",
|
|
|
- ztex->repr, ztex->freqM1 * (ztex->freqM + 1));
|
|
|
- else
|
|
|
- applog(LOG_WARNING, "%s: Frequency change from %0.1f to %0.1f MHz",
|
|
|
- ztex->repr, ztex->freqM1 * (oldfreq + 1), ztex->freqM1 * (ztex->freqM + 1));
|
|
|
-
|
|
|
- return 0;
|
|
|
-}
|
|
|
-
|
|
|
-int libztex_resetFpga(struct libztex_device *ztex)
|
|
|
-{
|
|
|
- return libusb_control_transfer(ztex->hndl, 0x40, 0x31, 0, 0, NULL, 0, 1000);
|
|
|
-}
|
|
|
-
|
|
|
-int libztex_suspend(struct libztex_device *ztex)
|
|
|
-{
|
|
|
- if (ztex->suspendSupported) {
|
|
|
- return libusb_control_transfer(ztex->hndl, 0x40, 0x84, 0, 0, NULL, 0, 1000);
|
|
|
- } else {
|
|
|
- return 0;
|
|
|
- }
|
|
|
-}
|
|
|
-
|
|
|
-int libztex_prepare_device(struct libusb_device *dev, struct libztex_device** ztex)
|
|
|
-{
|
|
|
- struct libztex_device *newdev = *ztex;
|
|
|
- int i, cnt, err;
|
|
|
- unsigned char buf[64];
|
|
|
-
|
|
|
- err = libusb_open(dev, &newdev->hndl);
|
|
|
- if (err != LIBUSB_SUCCESS) {
|
|
|
- applog(LOG_ERR, "%s: Can not open ZTEX device: %d", __func__, err);
|
|
|
- return CHECK_ERROR;
|
|
|
- }
|
|
|
-
|
|
|
- err = libusb_get_device_descriptor(dev, &newdev->descriptor);
|
|
|
- if (unlikely(err != 0)) {
|
|
|
- applog(LOG_ERR, "Ztex check device: Failed to open read descriptor with error %d", err);
|
|
|
- return CHECK_ERROR;
|
|
|
- }
|
|
|
-
|
|
|
- cnt = libztex_get_string_descriptor_ascii(newdev->hndl, newdev->descriptor.iSerialNumber, newdev->snString, sizeof(newdev->snString));
|
|
|
- if (unlikely(cnt < 0)) {
|
|
|
- applog(LOG_ERR, "Ztex check device: Failed to read device snString with err %d", cnt);
|
|
|
- return cnt;
|
|
|
- }
|
|
|
-
|
|
|
- cnt = libusb_control_transfer(newdev->hndl, 0xc0, 0x22, 0, 0, buf, 40, 500);
|
|
|
- if (unlikely(cnt < 0)) {
|
|
|
- applog(LOG_ERR, "Ztex check device: Failed to read ztex descriptor with err %d", cnt);
|
|
|
- return cnt;
|
|
|
- }
|
|
|
-
|
|
|
- if (buf[0] != 40 || buf[1] != 1 || buf[2] != 'Z' || buf[3] != 'T' || buf[4] != 'E' || buf[5] != 'X') {
|
|
|
- applog(LOG_ERR, "Ztex check device: Error reading ztex descriptor");
|
|
|
- return 2;
|
|
|
- }
|
|
|
-
|
|
|
- newdev->productId[0] = buf[6];
|
|
|
- newdev->productId[1] = buf[7];
|
|
|
- newdev->productId[2] = buf[8];
|
|
|
- newdev->productId[3] = buf[9];
|
|
|
- newdev->fwVersion = buf[10];
|
|
|
- newdev->interfaceVersion = buf[11];
|
|
|
- newdev->interfaceCapabilities[0] = buf[12];
|
|
|
- newdev->interfaceCapabilities[1] = buf[13];
|
|
|
- newdev->interfaceCapabilities[2] = buf[14];
|
|
|
- newdev->interfaceCapabilities[3] = buf[15];
|
|
|
- newdev->interfaceCapabilities[4] = buf[16];
|
|
|
- newdev->interfaceCapabilities[5] = buf[17];
|
|
|
- newdev->moduleReserved[0] = buf[18];
|
|
|
- newdev->moduleReserved[1] = buf[19];
|
|
|
- newdev->moduleReserved[2] = buf[20];
|
|
|
- newdev->moduleReserved[3] = buf[21];
|
|
|
- newdev->moduleReserved[4] = buf[22];
|
|
|
- newdev->moduleReserved[5] = buf[23];
|
|
|
- newdev->moduleReserved[6] = buf[24];
|
|
|
- newdev->moduleReserved[7] = buf[25];
|
|
|
- newdev->moduleReserved[8] = buf[26];
|
|
|
- newdev->moduleReserved[9] = buf[27];
|
|
|
- newdev->moduleReserved[10] = buf[28];
|
|
|
- newdev->moduleReserved[11] = buf[29];
|
|
|
-
|
|
|
- cnt = libusb_control_transfer(newdev->hndl, 0xc0, 0x82, 0, 0, buf, 64, 500);
|
|
|
- if (unlikely(cnt < 0)) {
|
|
|
- applog(LOG_ERR, "Ztex check device: Failed to read ztex descriptor with err %d", cnt);
|
|
|
- return cnt;
|
|
|
- }
|
|
|
-
|
|
|
- if (unlikely(buf[0] != 5)) {
|
|
|
- if (unlikely(buf[0] != 2 && buf[0] != 4)) {
|
|
|
- applog(LOG_ERR, "Invalid BTCMiner descriptor version. Firmware must be updated (%d).", buf[0]);
|
|
|
- return 3;
|
|
|
- }
|
|
|
- applog(LOG_WARNING, "Firmware out of date (%d).", buf[0]);
|
|
|
- }
|
|
|
-
|
|
|
- i = buf[0] > 4? 11: (buf[0] > 2? 10: 8);
|
|
|
-
|
|
|
- while (cnt < 64 && buf[cnt] != 0)
|
|
|
- cnt++;
|
|
|
- if (cnt < i + 1) {
|
|
|
- applog(LOG_ERR, "Invalid bitstream file name .");
|
|
|
- return 4;
|
|
|
- }
|
|
|
-
|
|
|
- newdev->bitFileName = malloc(sizeof(char) * (cnt + 1));
|
|
|
- memcpy(newdev->bitFileName, &buf[i], cnt);
|
|
|
- newdev->bitFileName[cnt] = 0;
|
|
|
-
|
|
|
- newdev->numNonces = buf[1] + 1;
|
|
|
- newdev->offsNonces = ((buf[2] & 255) | ((buf[3] & 255) << 8)) - 10000;
|
|
|
- newdev->freqM1 = ((buf[4] & 255) | ((buf[5] & 255) << 8) ) * 0.01;
|
|
|
- newdev->freqMaxM = (buf[7] & 255);
|
|
|
- newdev->freqM = (buf[6] & 255);
|
|
|
- newdev->freqMDefault = newdev->freqM;
|
|
|
- newdev->suspendSupported = (buf[0] == 5);
|
|
|
- newdev->hashesPerClock = buf[0] > 2? (((buf[8] & 255) | ((buf[9] & 255) << 8)) + 1) / 128.0: 1.0;
|
|
|
- newdev->extraSolutions = buf[0] > 4? buf[10]: 0;
|
|
|
-
|
|
|
- applog(LOG_DEBUG, "PID: %d numNonces: %d offsNonces: %d freqM1: %f freqMaxM: %d freqM: %d suspendSupported: %s hashesPerClock: %f extraSolutions: %d",
|
|
|
- buf[0], newdev->numNonces, newdev->offsNonces, newdev->freqM1, newdev->freqMaxM, newdev->freqM, newdev->suspendSupported ? "T": "F",
|
|
|
- newdev->hashesPerClock, newdev->extraSolutions);
|
|
|
-
|
|
|
- if (buf[0] < 4) {
|
|
|
- if (strncmp(newdev->bitFileName, "ztex_ufm1_15b", 13) != 0)
|
|
|
- newdev->hashesPerClock = 0.5;
|
|
|
- applog(LOG_WARNING, "HASHES_PER_CLOCK not defined, assuming %0.2f", newdev->hashesPerClock);
|
|
|
- }
|
|
|
-
|
|
|
- for (cnt=0; cnt < 255; cnt++) {
|
|
|
- newdev->errorCount[cnt] = 0;
|
|
|
- newdev->errorWeight[cnt] = 0;
|
|
|
- newdev->errorRate[cnt] = 0;
|
|
|
- newdev->maxErrorRate[cnt] = 0;
|
|
|
- }
|
|
|
-
|
|
|
- // fake that the last round found something valid
|
|
|
- newdev->nonceCheckValid = 1;
|
|
|
-
|
|
|
- newdev->usbbus = libusb_get_bus_number(dev);
|
|
|
- newdev->usbaddress = libusb_get_device_address(dev);
|
|
|
- sprintf(newdev->repr, "ZTEX %s-1", newdev->snString);
|
|
|
- return 0;
|
|
|
-}
|
|
|
-
|
|
|
-void libztex_destroy_device(struct libztex_device* ztex)
|
|
|
-{
|
|
|
- if (ztex->hndl != NULL) {
|
|
|
- libusb_close(ztex->hndl);
|
|
|
- ztex->hndl = NULL;
|
|
|
- }
|
|
|
- if (ztex->bitFileName != NULL) {
|
|
|
- free(ztex->bitFileName);
|
|
|
- ztex->bitFileName = NULL;
|
|
|
- }
|
|
|
- free(ztex);
|
|
|
-}
|
|
|
-
|
|
|
-int libztex_scanDevices(struct libztex_dev_list*** devs_p)
|
|
|
-{
|
|
|
- int usbdevices[LIBZTEX_MAX_DESCRIPTORS];
|
|
|
- struct libztex_dev_list **devs = NULL;
|
|
|
- struct libztex_device *ztex = NULL;
|
|
|
- int found, max_found = 0, pos = 0, err, rescan, ret = 0;
|
|
|
- libusb_device **list = NULL;
|
|
|
- ssize_t cnt, i;
|
|
|
-
|
|
|
- do {
|
|
|
- cnt = libusb_get_device_list(NULL, &list);
|
|
|
- if (unlikely(cnt < 0)) {
|
|
|
- applog(LOG_ERR, "Ztex scan devices: Failed to list usb devices with err %d", (int)cnt);
|
|
|
- goto done;
|
|
|
- }
|
|
|
-
|
|
|
- for (found = rescan = i = 0; i < cnt; i++) {
|
|
|
- err = libztex_checkDevice(list[i]);
|
|
|
- switch (err) {
|
|
|
- case CHECK_ERROR:
|
|
|
- applog(LOG_ERR, "Ztex: Can not check device: %d", err);
|
|
|
- continue;
|
|
|
- case CHECK_IS_NOT_ZTEX:
|
|
|
- continue;
|
|
|
- case CHECK_OK:
|
|
|
- // Got one!
|
|
|
- usbdevices[found++] = i;
|
|
|
- break;
|
|
|
- case CHECK_RESCAN:
|
|
|
- rescan = 1;
|
|
|
- found++;
|
|
|
- break;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- if (found < max_found)
|
|
|
- rescan = 1;
|
|
|
- else if (found > max_found)
|
|
|
- max_found = found;
|
|
|
-
|
|
|
- if (rescan)
|
|
|
- libusb_free_device_list(list, 1);
|
|
|
- } while (rescan);
|
|
|
-
|
|
|
- if (0 == found)
|
|
|
- goto done;
|
|
|
-
|
|
|
- devs = malloc(sizeof(struct libztex_dev_list *) * found);
|
|
|
- if (devs == NULL) {
|
|
|
- applog(LOG_ERR, "Ztex scan devices: Failed to allocate memory");
|
|
|
- goto done;
|
|
|
- }
|
|
|
-
|
|
|
- for (i = 0; i < found; i++) {
|
|
|
- if (!ztex) {
|
|
|
- ztex = malloc(sizeof(*ztex));
|
|
|
- if (!ztex) {
|
|
|
- applog(LOG_ERR, "%s: Can not allocate memory for device struct: %s", __func__, strerror(errno));
|
|
|
- goto done;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- ztex->bitFileName = NULL;
|
|
|
- ztex->numberOfFpgas = -1;
|
|
|
-
|
|
|
- err = libztex_prepare_device(list[usbdevices[i]], &ztex);
|
|
|
- if (unlikely(err != 0)) {
|
|
|
- applog(LOG_ERR, "prepare device: %d", err);
|
|
|
- libztex_destroy_device(ztex);
|
|
|
- ztex = NULL;
|
|
|
- continue;
|
|
|
- }
|
|
|
-
|
|
|
- devs[pos] = malloc(sizeof(struct libztex_dev_list));
|
|
|
- if (NULL == devs[pos]) {
|
|
|
- applog(LOG_ERR, "%s: Can not allocate memory for device: %s", __func__, strerror(errno));
|
|
|
- libztex_destroy_device(ztex);
|
|
|
- ztex = NULL;
|
|
|
- continue;
|
|
|
- }
|
|
|
-
|
|
|
- devs[pos]->dev = ztex;
|
|
|
- ztex = NULL;
|
|
|
- devs[pos]->next = NULL;
|
|
|
- if (pos > 0)
|
|
|
- devs[pos - 1]->next = devs[pos];
|
|
|
- pos++;
|
|
|
- }
|
|
|
-
|
|
|
- ret = pos;
|
|
|
-
|
|
|
-done:
|
|
|
- if (ret > 0)
|
|
|
- *devs_p = devs;
|
|
|
- else if (devs)
|
|
|
- free(devs);
|
|
|
- if (list)
|
|
|
- libusb_free_device_list(list, 1);
|
|
|
- return ret;
|
|
|
-}
|
|
|
-
|
|
|
-int libztex_sendHashData(struct libztex_device *ztex, unsigned char *sendbuf)
|
|
|
-{
|
|
|
- int cnt = 0, ret, len;
|
|
|
-
|
|
|
- if (ztex == NULL || ztex->hndl == NULL)
|
|
|
- return 0;
|
|
|
- ret = 44; len = 0;
|
|
|
- while (ret > 0) {
|
|
|
- cnt = libusb_control_transfer(ztex->hndl, 0x40, 0x80, 0, 0, sendbuf + len, ret, 1000);
|
|
|
- if (cnt >= 0) {
|
|
|
- ret -= cnt;
|
|
|
- len += cnt;
|
|
|
- } else
|
|
|
- break;
|
|
|
- }
|
|
|
- if (unlikely(cnt < 0))
|
|
|
- applog(LOG_ERR, "%s: Failed sendHashData with err %d", ztex->repr, cnt);
|
|
|
-
|
|
|
- return cnt;
|
|
|
-}
|
|
|
-
|
|
|
-int libztex_readHashData(struct libztex_device *ztex, struct libztex_hash_data nonces[])
|
|
|
-{
|
|
|
- int bufsize = 12 + ztex->extraSolutions * 4;
|
|
|
- int cnt = 0, i, j, ret, len;
|
|
|
- unsigned char *rbuf;
|
|
|
-
|
|
|
- if (ztex->hndl == NULL)
|
|
|
- return 0;
|
|
|
-
|
|
|
- rbuf = malloc(sizeof(unsigned char) * (ztex->numNonces * bufsize));
|
|
|
- if (rbuf == NULL) {
|
|
|
- applog(LOG_ERR, "%s: Failed to allocate memory for reading nonces", ztex->repr);
|
|
|
- return 0;
|
|
|
- }
|
|
|
- ret = bufsize * ztex->numNonces; len = 0;
|
|
|
- while (ret > 0) {
|
|
|
- cnt = libusb_control_transfer(ztex->hndl, 0xc0, 0x81, 0, 0, rbuf + len, ret, 1000);
|
|
|
- if (cnt >= 0) {
|
|
|
- ret -= cnt;
|
|
|
- len += cnt;
|
|
|
- } else
|
|
|
- break;
|
|
|
- }
|
|
|
-
|
|
|
- if (unlikely(cnt < 0)) {
|
|
|
- applog(LOG_ERR, "%s: Failed readHashData with err %d", ztex->repr, cnt);
|
|
|
- free(rbuf);
|
|
|
- return cnt;
|
|
|
- }
|
|
|
-
|
|
|
- for (i=0; i<ztex->numNonces; i++) {
|
|
|
- memcpy((char*)&nonces[i].goldenNonce[0], &rbuf[i*bufsize], 4);
|
|
|
- nonces[i].goldenNonce[0] -= ztex->offsNonces;
|
|
|
- //applog(LOG_DEBUG, "W %d:0 %0.8x", i, nonces[i].goldenNonce[0]);
|
|
|
-
|
|
|
- memcpy((char*)&nonces[i].nonce, &rbuf[(i*bufsize)+4], 4);
|
|
|
- memcpy((char*)&nonces[i].hash7, &rbuf[(i*bufsize)+8], 4);
|
|
|
-
|
|
|
- nonces[i].nonce = htole32(nonces[i].nonce);
|
|
|
- nonces[i].hash7 = htole32(nonces[i].hash7);
|
|
|
-
|
|
|
- nonces[i].nonce -= ztex->offsNonces;
|
|
|
-
|
|
|
- for (j=0; j<ztex->extraSolutions; j++) {
|
|
|
- memcpy((char*)&nonces[i].goldenNonce[j+1], &rbuf[(i*bufsize)+12+(j*4)], 4);
|
|
|
- nonces[i].goldenNonce[j+1] = htole32(nonces[i].goldenNonce[j+1]);
|
|
|
- nonces[i].goldenNonce[j+1] -= ztex->offsNonces;
|
|
|
- //applog(LOG_DEBUG, "W %d:%d %0.8x", i, j+1, nonces[i].goldenNonce[j+1]);
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- free(rbuf);
|
|
|
- return cnt;
|
|
|
-}
|
|
|
-
|
|
|
-void libztex_freeDevList(struct libztex_dev_list **devs)
|
|
|
-{
|
|
|
- bool done = false;
|
|
|
- ssize_t cnt = 0;
|
|
|
-
|
|
|
- while (!done) {
|
|
|
- if (devs[cnt]->next == NULL)
|
|
|
- done = true;
|
|
|
- free(devs[cnt++]);
|
|
|
- }
|
|
|
- free(devs);
|
|
|
-}
|
|
|
-
|
Con Kolivas