e3xx: Added firmware for battery based devices.

Note: This firmware does *not* support Rev B units.

Signed-off-by: Moritz Fischer <moritz.fischer@ettus.com>

1 files changed, 40 insertions, 0 deletions

diff --git a/firmware/e300/battery/ltc294x.h b/firmware/e300/battery/ltc294x.h
new file mode 100644
index 000000000..be35c7ceb
--- /dev/null
+++ b/firmware/e300/battery/ltc294x.h
@@ -0,0 +1,40 @@
+/* USRP E310 Firmware Linear Technology LTC294X driver
+ * Copyright (C) 2014 Ettus Research
+ * This file is part of the USRP E310 Firmware
+ * The USRP E310 Firmware 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 2 of the License, or
+ * (at your option) any later version.
+ * The USRP E310 Firmware 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 General Public License for more details.
+ * You should have received a copy of the GNU General Public License
+ * along with the USRP E310 Firmware. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/**
+ * \file ltc294x.h
+ * \brief Linear Technology LTC294X driver
+ */
+
+#ifndef LTC294X_H
+#define LTC294X_H
+
+#include "pmu.h"
+
+typedef enum {
+	LTC294X_MODEL_2941 = 0x1,
+	LTC294X_MODEL_2942 = 0x0
+} ltc294x_model_t;
+
+/**
+ * \brief Initializes the LTC294X chip
+ * \param model What model we're looking we should probe for
+ * \return 0 on success, negative error code otherwise
+ */
+int8_t ltc294x_init(ltc294x_model_t model);
+
+extern irqreturn_t ltc294x_irq_handler(void);
+
+#endif /* LTC294X_H */