thodg/cgminer

diff --git a/driver-bflsc.c b/driver-bflsc.c
index 9c1528c..e0cb161 100644
--- a/driver-bflsc.c
+++ b/driver-bflsc.c
@@ -568,8 +568,6 @@ static void __bflsc_initialise(struct cgpu_info *bflsc)
 {
 	int err;
 
-// TODO: this is a standard BFL FPGA Initialisation
-// it probably will need changing ...
 // TODO: does x-link bypass the other device FTDI? (I think it does)
 //	So no initialisation required except for the master device?
 
@@ -588,7 +586,7 @@ static void __bflsc_initialise(struct cgpu_info *bflsc)
 
 	// Set data control
 	err = usb_transfer(bflsc, FTDI_TYPE_OUT, FTDI_REQUEST_DATA,
-				FTDI_VALUE_DATA, bflsc->usbdev->found->interface, C_SETDATA);
+				FTDI_VALUE_DATA_BAS, bflsc->usbdev->found->interface, C_SETDATA);
 
 	applog(LOG_DEBUG, "%s%i: setdata got err %d",
 		bflsc->drv->name, bflsc->device_id, err);
@@ -597,8 +595,8 @@ static void __bflsc_initialise(struct cgpu_info *bflsc)
 		return;
 
 	// Set the baud
-	err = usb_transfer(bflsc, FTDI_TYPE_OUT, FTDI_REQUEST_BAUD, FTDI_VALUE_BAUD,
-				(FTDI_INDEX_BAUD & 0xff00) | bflsc->usbdev->found->interface,
+	err = usb_transfer(bflsc, FTDI_TYPE_OUT, FTDI_REQUEST_BAUD, FTDI_VALUE_BAUD_BAS,
+				(FTDI_INDEX_BAUD_BAS & 0xff00) | bflsc->usbdev->found->interface,
 				C_SETBAUD);
 
 	applog(LOG_DEBUG, "%s%i: setbaud got err %d",
diff --git a/driver-bitforce.c b/driver-bitforce.c
index 7b4361b..c845285 100644
--- a/driver-bitforce.c
+++ b/driver-bitforce.c
@@ -101,7 +101,7 @@ static void bitforce_initialise(struct cgpu_info *bitforce, bool lock)
 
 	// Set data control
 	err = usb_transfer(bitforce, FTDI_TYPE_OUT, FTDI_REQUEST_DATA,
-				FTDI_VALUE_DATA, bitforce->usbdev->found->interface, C_SETDATA);
+				FTDI_VALUE_DATA_BFL, bitforce->usbdev->found->interface, C_SETDATA);
 	if (opt_debug)
 		applog(LOG_DEBUG, "%s%i: setdata got err %d",
 			bitforce->drv->name, bitforce->device_id, err);
@@ -110,8 +110,8 @@ static void bitforce_initialise(struct cgpu_info *bitforce, bool lock)
 		goto failed;
 
 	// Set the baud
-	err = usb_transfer(bitforce, FTDI_TYPE_OUT, FTDI_REQUEST_BAUD, FTDI_VALUE_BAUD,
-				(FTDI_INDEX_BAUD & 0xff00) | bitforce->usbdev->found->interface,
+	err = usb_transfer(bitforce, FTDI_TYPE_OUT, FTDI_REQUEST_BAUD, FTDI_VALUE_BAUD_BFL,
+				(FTDI_INDEX_BAUD_BFL & 0xff00) | bitforce->usbdev->found->interface,
 				C_SETBAUD);
 	if (opt_debug)
 		applog(LOG_DEBUG, "%s%i: setbaud got err %d",
diff --git a/driver-icarus.c b/driver-icarus.c
index a4b26c6..63d86b8 100644
--- a/driver-icarus.c
+++ b/driver-icarus.c
@@ -215,12 +215,91 @@ static int option_offset = -1;
 
 struct device_drv icarus_drv;
 
-static void icarus_initialise(struct cgpu_info *icarus, int baud)
+static void transfer(struct cgpu_info *icarus, uint8_t request_type, uint8_t bRequest, uint16_t wValue, uint16_t wIndex, enum usb_cmds cmd)
+{
+	int err;
+
+	err = usb_transfer(icarus, request_type, bRequest, wValue, wIndex, cmd);
+
+	applog(LOG_DEBUG, "%s%i: %s got err %d",
+			icarus->drv->name, icarus->device_id,
+			usb_cmdname(cmd), err);
+}
+
+// TODO: handle baud
+static void icarus_initialise(struct cgpu_info *icarus, __maybe_unused int baud)
 {
 	if (icarus->usbinfo.nodev)
 		return;
 
-	if (baud) {
+	switch (icarus->usbdev->ident) {
+		case IDENT_BLT:
+		case IDENT_LLT:
+			// Reset
+			transfer(icarus, FTDI_TYPE_OUT, FTDI_REQUEST_LATENCY, FTDI_VALUE_LATENCY,
+				 icarus->usbdev->found->interface, C_RESET);
+
+			if (icarus->usbinfo.nodev)
+				return;
+
+			// Reset
+			transfer(icarus, FTDI_TYPE_OUT, FTDI_REQUEST_RESET, FTDI_VALUE_RESET,
+				 icarus->usbdev->found->interface, C_RESET);
+
+			if (icarus->usbinfo.nodev)
+				return;
+
+			// Set data control
+			transfer(icarus, FTDI_TYPE_OUT, FTDI_REQUEST_DATA, FTDI_VALUE_DATA_BLT,
+				 icarus->usbdev->found->interface, C_SETDATA);
+
+			if (icarus->usbinfo.nodev)
+				return;
+
+			// Set the baud
+			transfer(icarus, FTDI_TYPE_OUT, FTDI_REQUEST_BAUD, FTDI_VALUE_BAUD_BLT,
+				 (FTDI_INDEX_BAUD_BLT & 0xff00) | icarus->usbdev->found->interface,
+				 C_SETBAUD);
+
+			if (icarus->usbinfo.nodev)
+				return;
+
+			// Set Modem Control
+			transfer(icarus, FTDI_TYPE_OUT, FTDI_REQUEST_MODEM, FTDI_VALUE_MODEM,
+				 icarus->usbdev->found->interface, C_SETMODEM);
+
+			if (icarus->usbinfo.nodev)
+				return;
+
+			// Set Flow Control
+			transfer(icarus, FTDI_TYPE_OUT, FTDI_REQUEST_FLOW, FTDI_VALUE_FLOW,
+				 icarus->usbdev->found->interface, C_SETFLOW);
+
+			if (icarus->usbinfo.nodev)
+				return;
+
+			// Clear any sent data
+			transfer(icarus, FTDI_TYPE_OUT, FTDI_REQUEST_RESET, FTDI_VALUE_PURGE_TX,
+				 icarus->usbdev->found->interface, C_PURGETX);
+
+			if (icarus->usbinfo.nodev)
+				return;
+
+			// Clear any received data
+			transfer(icarus, FTDI_TYPE_OUT, FTDI_REQUEST_RESET, FTDI_VALUE_PURGE_RX,
+				 icarus->usbdev->found->interface, C_PURGERX);
+
+			break;
+		case IDENT_ICA:
+			break;
+		case IDENT_AMU:
+			break;
+		case IDENT_CMR:
+			break;
+		default:
+			quit(1, "icarus_intialise() called with invalid %s%i ident=%d",
+				icarus->drv->name, icarus->device_id,
+				icarus->usbdev->ident);
 	}
 }
 
diff --git a/usbutils.c b/usbutils.c
index f11c790..72b66e4 100644
--- a/usbutils.c
+++ b/usbutils.c
@@ -1020,6 +1020,8 @@ union semun {
 // and thus it is best to always display them
 static bool cgminer_usb_lock_bd(struct device_drv *drv, uint8_t bus_number, uint8_t device_address)
 {
+	applog(LOG_DEBUG, "USB lock %s %d-%d", drv->name, (int)bus_number, (int)device_address);
+
 #ifdef WIN32
 	struct cgpu_info *cgpu;
 	HANDLE usbMutex;
@@ -1180,6 +1182,8 @@ static bool cgminer_usb_lock(struct device_drv *drv, libusb_device *dev)
 // and thus it is best to always display them
 static void cgminer_usb_unlock_bd(struct device_drv *drv, uint8_t bus_number, uint8_t device_address)
 {
+	applog(LOG_DEBUG, "USB unlock %s %d-%d", drv->name, (int)bus_number, (int)device_address);
+
 #ifdef WIN32
 	HANDLE usbMutex;
 	char name[64];
@@ -1253,6 +1257,8 @@ static void cgminer_usb_unlock(struct device_drv *drv, libusb_device *dev)
 
 static struct cg_usb_device *free_cgusb(struct cg_usb_device *cgusb)
 {
+	applog(LOG_DEBUG, "USB free %s", cgusb->found->name);
+
 	if (cgusb->serial_string && cgusb->serial_string != BLANK)
 		free(cgusb->serial_string);
 
@@ -1273,11 +1279,16 @@ static struct cg_usb_device *free_cgusb(struct cg_usb_device *cgusb)
 
 void usb_uninit(struct cgpu_info *cgpu)
 {
+	int err;
+
+	applog(LOG_DEBUG, "USB uninit %s%i",
+			cgpu->drv->name, cgpu->device_id);
+
 	// May have happened already during a failed initialisation
 	//  if release_cgpu() was called due to a USB NODEV(err)
 	if (!cgpu->usbdev)
 		return;
-	libusb_release_interface(cgpu->usbdev->handle, cgpu->usbdev->found->interface);
+	err = libusb_release_interface(cgpu->usbdev->handle, cgpu->usbdev->found->interface);
 	libusb_close(cgpu->usbdev->handle);
 	cgpu->usbdev = free_cgusb(cgpu->usbdev);
 }
@@ -1288,6 +1299,9 @@ static void release_cgpu(struct cgpu_info *cgpu)
 	struct cgpu_info *lookcgpu;
 	int i;
 
+	applog(LOG_DEBUG, "USB release %s%i",
+			cgpu->drv->name, cgpu->device_id);
+
 	// It has already been done
 	if (cgpu->usbinfo.nodev)
 		return;
diff --git a/usbutils.h b/usbutils.h
index 74c166e..5e50c72 100644
--- a/usbutils.h
+++ b/usbutils.h
@@ -20,18 +20,28 @@
 #define FTDI_REQUEST_FLOW ((uint8_t)2)
 #define FTDI_REQUEST_BAUD ((uint8_t)3)
 #define FTDI_REQUEST_DATA ((uint8_t)4)
+#define FTDI_REQUEST_LATENCY ((uint8_t)9)
 
 #define FTDI_VALUE_RESET 0
 #define FTDI_VALUE_PURGE_RX 1
 #define FTDI_VALUE_PURGE_TX 2
+#define FTDI_VALUE_LATENCY 1
+
+// Baud
+#define FTDI_VALUE_BAUD_BFL 0xc068
+#define FTDI_INDEX_BAUD_BFL 0x0200
+#define FTDI_VALUE_BAUD_BAS FTDI_VALUE_BAUD_BFL
+#define FTDI_INDEX_BAUD_BAS FTDI_INDEX_BAUD_BFL
+// LLT = BLT (same code)
+#define FTDI_VALUE_BAUD_BLT 0x001a
+#define FTDI_INDEX_BAUD_BLT 0x0000
+
+// Data control
+#define FTDI_VALUE_DATA_BFL 0
+#define FTDI_VALUE_DATA_BAS FTDI_VALUE_DATA_BFL
+// LLT = BLT (same code)
+#define FTDI_VALUE_DATA_BLT 8
 
-// 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