1 files changed, 77 insertions, 0 deletions
diff --git a/drivers/misc/mei/hw-txe.h b/drivers/misc/mei/hw-txe.h
new file mode 100644
index 00000000000..e244af79167
--- /dev/null
+++ b/drivers/misc/mei/hw-txe.h
@@ -0,0 +1,77 @@
+/*
+ *
+ * Intel Management Engine Interface (Intel MEI) Linux driver
+ * Copyright (c) 2013-2014, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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.
+ *
+ */
+
+#ifndef _MEI_HW_TXE_H_
+#define _MEI_HW_TXE_H_
+
+#include <linux/irqreturn.h>
+
+#include "hw.h"
+#include "hw-txe-regs.h"
+
+#define MEI_TXI_RPM_TIMEOUT    500 /* ms */
+
+/* Flatten Hierarchy interrupt cause */
+#define TXE_INTR_READINESS_BIT  0 /* HISR_INT_0_STS */
+#define TXE_INTR_READINESS      HISR_INT_0_STS
+#define TXE_INTR_ALIVENESS_BIT  1 /* HISR_INT_1_STS */
+#define TXE_INTR_ALIVENESS      HISR_INT_1_STS
+#define TXE_INTR_OUT_DB_BIT     2 /* HISR_INT_2_STS */
+#define TXE_INTR_OUT_DB         HISR_INT_2_STS
+#define TXE_INTR_IN_READY_BIT   8 /* beyond HISR */
+#define TXE_INTR_IN_READY       BIT(8)
+
+/**
+ * struct mei_txe_hw - txe hardware specifics
+ *
+ * @mem_addr:            SeC and BRIDGE bars
+ * @aliveness:           aliveness (power gating) state of the hardware
+ * @readiness:           readiness state of the hardware
+ * @wait_aliveness_resp: aliveness wait queue
+ * @intr_cause:          translated interrupt cause
+ */
+struct mei_txe_hw {
+	void __iomem *mem_addr[NUM_OF_MEM_BARS];
+	u32 aliveness;
+	u32 readiness;
+	u32 slots;
+
+	wait_queue_head_t wait_aliveness_resp;
+
+	unsigned long intr_cause;
+};
+
+#define to_txe_hw(dev) (struct mei_txe_hw *)((dev)->hw)
+
+static inline struct mei_device *hw_txe_to_mei(struct mei_txe_hw *hw)
+{
+	return container_of((void *)hw, struct mei_device, hw);
+}
+
+extern const struct mei_cfg mei_txe_cfg;
+
+struct mei_device *mei_txe_dev_init(struct pci_dev *pdev,
+	const struct mei_cfg *cfg);
+
+irqreturn_t mei_txe_irq_quick_handler(int irq, void *dev_id);
+irqreturn_t mei_txe_irq_thread_handler(int irq, void *dev_id);
+
+int mei_txe_aliveness_set_sync(struct mei_device *dev, u32 req);
+
+int mei_txe_setup_satt2(struct mei_device *dev, phys_addr_t addr, u32 range);
+
+
+#endif /* _MEI_HW_TXE_H_ */