Create goodix.h

Author: rootd

libfprint/drivers/goodixtls/goodix.h

@@ -0,0 +1,74 @@
+/*
+ * Goodix 5110 driver for libfprint
+ *
+ * Copyright (C) 2021 Alexander Meiler <[email protected]>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#pragma once
+
+#include <glib.h>
+#include <stdint.h>
+#include <openssl/ssl.h>
+
+#define GOODIX_VEND_ID 0x27c6
+
+#define GOODIX_CMD_LEN 64
+#define GOODIX_EP_CMD_OUT 0x1
+#define GOODIX_EP_CMD_IN 0x81
+
+// Needed for commands which don't send an answer back (currently known only NOP)
+#define GOODIX_CMD_SKIP_READ -1
+
+// 10 seconds USB read timeout
+#define GOODIX_CMD_TIMEOUT 10000
+
+#define GOODIX_FIRMWARE_VERSION_SUPPORTED "GF_ST411SEC_APP_12109"
+
+struct goodix_cmd
+{
+  uint8_t cmd[64];
+  int response_len;
+  int response_len_2;
+};
+
+static const struct goodix_cmd nop = {
+  .cmd = {0xA0, 0x08, 0x00, 0xA8, 0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0xA5},
+  .response_len = GOODIX_CMD_SKIP_READ,
+};
+
+static const struct goodix_cmd enable_chip = {
+  .cmd = {0xA0, 0X06, 0x00, 0xA6, 0x96, 0x03, 0x00, 0x01, 0x00, 0x10},
+  .response_len = 10,
+};
+
+static const struct goodix_cmd read_fw = {
+  .cmd = {0xA0, 0x06, 0x00, 0xA6, 0xA8, 0x03, 0x00, 0x00, 0x00, 0xFF},
+  .response_len = 10,
+  .response_len_2 = 30,
+};
+
+G_DECLARE_FINAL_TYPE (FpiDeviceGoodixTLS, fpi_device_goodixtls, FPI, DEVICE_GOODIXTLS,
+                      FpImageDevice);
+
+// VID=0 PID=0 is needed for termination
+static const FpIdEntry goodix_id_table[] = {
+  {.vid = GOODIX_VEND_ID,  .pid = 0x5110, .driver_data = 0},
+  {.vid = 0,  .pid = 0,  .driver_data = 0},
+};
+
+static void goodix_dev_reset_state (FpiDeviceGoodixTLS *goodixdev);
+static void goodix_cmd_cb (FpiUsbTransfer *transfer, FpDevice *dev, gpointer user_data, GError *error);