cairnsmore: Beginnings of new driver, with automatic upgrade from Ica…

…rus detection

CAIRNSMORE1_HASH_TIME based on 10000 samples

Makefile.am

@@ -88,7 +88,8 @@ endif
 endif
 
 if HAS_ICARUS
-bfgminer_SOURCES += driver-icarus.c
+bfgminer_SOURCES += driver-icarus.c icarus-common.h
+bfgminer_SOURCES += driver-cairnsmore.c
 endif
 
 if HAS_MODMINER

driver-cairnsmore.c

@@ -0,0 +1,70 @@
+/*
+ * Copyright 2012 Luke Dashjr
+ *
+ * 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.
+ */
+
+#include "fpgautils.h"
+#include "icarus-common.h"
+#include "miner.h"
+
+#define CAIRNSMORE1_IO_SPEED 115200
+#define CAIRNSMORE1_HASH_TIME 0.0000000024484
+
+struct device_api cairnsmore_api;
+
+static bool cairnsmore_detect_one(const char *devpath)
+{
+	struct ICARUS_INFO *info = calloc(1, sizeof(struct ICARUS_INFO));
+	if (unlikely(!info))
+		quit(1, "Failed to malloc ICARUS_INFO");
+
+	info->baud = CAIRNSMORE1_IO_SPEED;
+	info->work_division = 2;
+	info->fpga_count = 2;
+	info->quirk_reopen = false;
+
+	if (!icarus_detect_custom(devpath, &cairnsmore_api, info)) {
+		free(info);
+		return false;
+	}
+	return true;
+}
+
+static int cairnsmore_detect_auto(void)
+{
+	return
+	serial_autodetect_udev     (cairnsmore_detect_one, "*Cairnsmore1*") ?:
+	serial_autodetect_devserial(cairnsmore_detect_one, "Cairnsmore1") ?:
+	0;
+}
+
+static void cairnsmore_detect()
+{
+	// Actual serial detection is handled by Icarus driver
+	serial_detect_auto_byname(cairnsmore_api.dname, cairnsmore_detect_one, cairnsmore_detect_auto);
+}
+
+void convert_icarus_to_cairnsmore(struct cgpu_info *cm1)
+{
+	struct ICARUS_INFO *info = cm1->cgpu_data;
+	info->Hs = CAIRNSMORE1_HASH_TIME;
+	info->fullnonce = info->Hs * (((double)0xffffffff) + 1);
+	info->read_count = (int)(info->fullnonce * TIME_FACTOR) - 1;
+	cm1->api = &cairnsmore_api;
+	renumber_cgpu(cm1);
+}
+
+extern struct device_api icarus_api;
+
+__attribute__((constructor(1000)))
+static void cairnsmore_api_init()
+{
+	cairnsmore_api = icarus_api;
+	cairnsmore_api.dname = "cairnsmore";
+	cairnsmore_api.name = "ECM";
+	cairnsmore_api.api_detect = cairnsmore_detect;
+}