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+/*
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+ * Copyright 2013 Luke Dashjr
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+ * Copyright 2013 Vladimir Strinski
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+ * Copyright 2013 HashBuster team
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+ *
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+ * This program is free software; you can redistribute it and/or modify it
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+ * under the terms of the GNU General Public License as published by the Free
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+ * Software Foundation; either version 3 of the License, or (at your option)
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+ * any later version. See COPYING for more details.
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+ */
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+
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+#include "config.h"
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+
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+#include <stdbool.h>
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+#include <stdint.h>
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+
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+#include "deviceapi.h"
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+#include "driver-bitfury.h"
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+#include "libbitfury.h"
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+#include "logging.h"
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+#include "lowlevel.h"
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+#include "lowl-hid.h"
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+#include "miner.h"
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+
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+#define HASHBUSTER_USB_PRODUCT "HashBuster"
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+
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+#define HASHBUSTER_MAX_BYTES_PER_SPI_TRANSFER 61
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+
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+BFG_REGISTER_DRIVER(hashbuster2_drv)
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+
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+static
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+bool hashbuster2_io(libusb_device_handle * const h, unsigned char *buf, unsigned char *cmd)
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+{
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+ const uint8_t cmdbyte = *((uint8_t *)cmd);
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+ int result;
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+ char x[0x81];
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+
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+ bool rv = true;
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+ if (unlikely(opt_dev_protocol))
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+ {
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+ bin2hex(x, cmd, 0x40);
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+ applog(LOG_DEBUG, "%s(%p): SEND: %s", __func__, h, x);
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+ }
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+
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+ do // Workaround for PIC USB buffer corruption. We should repeat last packet if receive FF
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+ {
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+ libusb_bulk_transfer(h, 0x01, cmd, 64, &result, 0);
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+ libusb_bulk_transfer(h, 0x81, buf, 64, &result, 0);
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+ } while(buf[0]==0xFF);
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+
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+ if (unlikely(opt_dev_protocol))
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+ {
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+ bin2hex(x, buf, 0x40);
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+ applog(LOG_DEBUG, "%s(%p): RECV: %s", __func__, h, x);
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+ }
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+ return rv;
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+}
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+
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+static
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+bool hashbuster2_spi_config(libusb_device_handle * const h, const uint8_t mode, const uint8_t miso, const uint32_t freq)
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+{
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+ uint8_t buf[0x40] = {'\x01', '\x01'};
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+ if (!hashbuster2_io(h, buf, buf))
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+ return false;
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+ return (buf[1] == '\x00');
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+}
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+
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+static
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+bool hashbuster2_spi_disable(libusb_device_handle * const h)
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+{
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+ uint8_t buf[0x40] = {'\x01', '\x00'};
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+ if (!hashbuster2_io(h, buf, buf))
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+ return false;
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+ return (buf[1] == '\x00');
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+}
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+
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+static
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+bool hashbuster2_spi_reset(libusb_device_handle * const h, uint8_t chips)
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+{
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+ uint8_t buf[0x40] = {'\x02', '\x00', chips};
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+ if (!hashbuster2_io(h, buf, buf))
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+ return false;
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+ return (buf[1] == '\x00');
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+}
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+
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+static
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+bool hashbuster2_spi_transfer(libusb_device_handle * const h, void * const buf, const void * const data, size_t datasz)
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+{
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+ if (datasz > HASHBUSTER_MAX_BYTES_PER_SPI_TRANSFER)
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+ return false;
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+ uint8_t cbuf[0x40] = {'\x03', '\x00', datasz};
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+ memcpy(&cbuf[3], data, datasz);
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+ if (!hashbuster2_io(h, cbuf, cbuf))
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+ return false;
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+ if (cbuf[2] != datasz)
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+ return false;
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+ memcpy(buf, &cbuf[3], datasz);
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+ return true;
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+}
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+
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+static
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+bool hashbuster2_spi_txrx(struct spi_port * const port)
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+{
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+ libusb_device_handle * const h = port->userp;
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+ const uint8_t *wrbuf = spi_gettxbuf(port);
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+ uint8_t *rdbuf = spi_getrxbuf(port);
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+ size_t bufsz = spi_getbufsz(port);
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+
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+ hashbuster2_spi_disable(h);
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+ hashbuster2_spi_reset(h, 0x10);
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+
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+ hashbuster2_spi_config(h, port->mode, 0, port->speed);
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+
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+ while (bufsz >= HASHBUSTER_MAX_BYTES_PER_SPI_TRANSFER)
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+ {
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+ if (!hashbuster2_spi_transfer(h, rdbuf, wrbuf, HASHBUSTER_MAX_BYTES_PER_SPI_TRANSFER))
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+ return false;
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+ rdbuf += HASHBUSTER_MAX_BYTES_PER_SPI_TRANSFER;
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+ wrbuf += HASHBUSTER_MAX_BYTES_PER_SPI_TRANSFER;
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+ bufsz -= HASHBUSTER_MAX_BYTES_PER_SPI_TRANSFER;
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+ }
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+
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+ if (bufsz > 0)
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+ {
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+ if (!hashbuster2_spi_transfer(h, rdbuf, wrbuf, bufsz))
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+ return false;
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+ }
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+
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+ return true;
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+}
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+
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+static
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+bool hashbuster2_lowl_match(const struct lowlevel_device_info * const info)
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+{
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+ return lowlevel_match_id(info, &lowl_usb, 0xFA04, 0x000D);
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+}
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+
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+static
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+bool hashbuster2_lowl_probe(const struct lowlevel_device_info * const info)
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+{
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+ struct cgpu_info *cgpu = NULL, *proc1 = NULL, *prev_cgpu = NULL;
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+ struct bitfury_device **devicelist, *bitfury;
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+ struct spi_port *port;
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+ int i, j;
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+ int proc_count = 0;
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+ struct bitfury_device dummy_bitfury;
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+ struct cgpu_info dummy_cgpu;
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+ const char * const product = info->product;
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+ const char * const serial = info->serial;
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+ char * const path = info->path;
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+ hid_device *h_lost;
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+ libusb_device_handle *h;
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+ uint8_t buf[0x40] = {'\xfe'};
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+
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+ if (info->lowl != &lowl_usb)
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+ applogr(false, LOG_WARNING, "%s: Matched \"%s\" serial \"%s\", but lowlevel driver is not usb_generic!",
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+ __func__, product, serial);
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+
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+ if (info->vid != 0xFA04 || info->pid != 0x000D)
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+ applogr(false, LOG_WARNING, "%s: Wrong VID/PID", __func__);
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+
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+ libusb_init(NULL);
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+ libusb_set_debug(NULL,3);
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+
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+ libusb_device *dev = info->lowl_data;
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+ libusb_open(dev, &h);
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+ if (libusb_kernel_driver_active(h, 0))
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+ libusb_detach_kernel_driver(h, 0);
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+ libusb_set_configuration(h, 1);
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+ libusb_claim_interface(h, 0);
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+
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+ unsigned char OUTPacket[64];
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+ unsigned char INPacket[64];
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+ signed int result;
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+ OUTPacket[0] = 0xFE;
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+ libusb_bulk_transfer(h, 0x01, OUTPacket, 64, &result, 0);
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+ libusb_bulk_transfer(h, 0x81, INPacket, 64, &result, 0);
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+ if (INPacket[1] == 0x18)
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+ {
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+ do
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+ {
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+ // Turn on miner PSU
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+ OUTPacket[0] = 0x10;
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+ OUTPacket[1] = 0x00;
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+ OUTPacket[2] = 0x01;
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+ libusb_bulk_transfer(h, 0x01, OUTPacket, 64, &result, 0);
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+ libusb_bulk_transfer(h, 0x81, INPacket, 64, &result, 0);
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+ } while (INPacket[0] == 0xFF);
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+ }
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+
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+ int chip_n;
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+
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+ port = malloc(sizeof(*port));
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+ port->cgpu = &dummy_cgpu;
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+ port->txrx = hashbuster2_spi_txrx;
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+ port->userp=h;
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+ port->repr = hashbuster2_drv.dname;
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+ port->logprio = LOG_DEBUG;
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+ port->speed = 100000;
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+ port->mode = 0;
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+ dummy_bitfury.slot = 0;
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+
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+ chip_n = libbitfury_detectChips1(port);
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+ if (chip_n)
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+ {
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+ applog(LOG_WARNING, "BITFURY slot %d: %d chips detected", 0, chip_n);
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+
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+ devicelist = malloc(sizeof(*devicelist) * chip_n);
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+ for (j = 0; j < chip_n; ++j)
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+ {
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+ devicelist[j] = bitfury = malloc(sizeof(*bitfury));
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+ *bitfury = (struct bitfury_device){
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+ .spi = port,
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+ .slot = 0,
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+ .fasync = j,
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+ };
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+ }
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+
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+ cgpu = malloc(sizeof(*cgpu));
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+ *cgpu = (struct cgpu_info){
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+ .drv = &hashbuster2_drv,
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+ .procs = chip_n,
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+ .device_data = devicelist,
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+ .cutofftemp = 200,
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+ .threads = 1,
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+ .dev_manufacturer = maybe_strdup(info->manufacturer),
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+ .dev_product = maybe_strdup(product),
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+ .dev_serial = maybe_strdup(serial),
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+ .deven = DEV_ENABLED,
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+ };
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+ }
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+
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+ return add_cgpu(cgpu);
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+}
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+
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+static
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+bool hashbuster2_init(struct thr_info * const thr)
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+{
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+ struct cgpu_info * const cgpu = thr->cgpu, *proc;
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+ struct spi_port *port;
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+
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+ struct bitfury_device **devicelist;
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+ struct bitfury_device *bitfury;
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+
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+ libusb_device_handle *h;
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+
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+ for (proc = thr->cgpu; proc; proc = proc->next_proc)
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+ {
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+ devicelist = proc->device_data;
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+ bitfury = devicelist[proc->proc_id];
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+ proc->device_data = bitfury;
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+ bitfury->spi->cgpu = proc;
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+ bitfury_init_chip(proc);
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+ bitfury->osc6_bits = 53;
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+ bitfury_send_reinit(bitfury->spi, bitfury->slot, bitfury->fasync, bitfury->osc6_bits);
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+ bitfury_init_freq_stat(&bitfury->chip_stat, 52, 56);
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+
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+ if (proc->proc_id == proc->procs - 1)
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+ free(devicelist);
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+ }
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+
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+ timer_set_now(&thr->tv_poll);
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+ cgpu->status = LIFE_INIT2;
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+ return true;
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+}
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+
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+static
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+bool hashbuster2_get_stats(struct cgpu_info * const cgpu)
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+{
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+ struct cgpu_info *proc;
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+ if (cgpu != cgpu->device)
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+ return true;
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+
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+ struct bitfury_device * const bitfury = cgpu->device_data;
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+ struct spi_port * const spi = bitfury->spi;
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+ libusb_device_handle * const h = spi->userp;
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+ uint8_t buf[0x40] = {'\x04'};
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+ if (!hashbuster2_io(h, buf, buf))
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+ return false;
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+ if (buf[1])
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+ {
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+ for (proc = cgpu; proc; proc = proc->next_proc)
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+ proc->temp = buf[1];
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+ }
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+ return true;
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+}
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+
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+struct device_drv hashbuster2_drv = {
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+ .dname = "hashbuster2",
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+ .name = "HBR",
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+ .lowl_match = hashbuster2_lowl_match,
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+ .lowl_probe = hashbuster2_lowl_probe,
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+
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+ .thread_init = hashbuster2_init,
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+ .thread_disable = bitfury_disable,
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+ .thread_enable = bitfury_enable,
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+ .thread_shutdown = bitfury_shutdown,
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+
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+ .minerloop = minerloop_async,
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+ .job_prepare = bitfury_job_prepare,
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+ .job_start = bitfury_noop_job_start,
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+ .poll = bitfury_do_io,
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+ .job_process_results = bitfury_job_process_results,
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+
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+ .get_stats = hashbuster2_get_stats,
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+
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+ .get_api_extra_device_detail = bitfury_api_device_detail,
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+ .get_api_extra_device_status = bitfury_api_device_status,
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+ .set_device = bitfury_set_device,
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+
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+#ifdef HAVE_CURSES
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+ .proc_wlogprint_status = bitfury_wlogprint_status,
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+ .proc_tui_wlogprint_choices = bitfury_tui_wlogprint_choices,
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+ .proc_tui_handle_choice = bitfury_tui_handle_choice,
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+#endif
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+};
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Luke Dashjr