From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753404AbaAOW7t (ORCPT ); Wed, 15 Jan 2014 17:59:49 -0500 Received: from mga01.intel.com ([192.55.52.88]:40913 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753346AbaAOW7l (ORCPT ); Wed, 15 Jan 2014 17:59:41 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.95,665,1384329600"; d="scan'208";a="465793983" From: Tomas Winkler To: gregkh@linuxfoundation.org Cc: arnd@arndb.de, linux-kernel@vger.kernel.org, Tomas Winkler , Alexander Usyskin Subject: [char-misc-next 2/5] mei: txe: add hw-txe.h header file Date: Thu, 16 Jan 2014 00:58:33 +0200 Message-Id: <1389826716-16956-3-git-send-email-tomas.winkler@intel.com> X-Mailer: git-send-email 1.8.4.2 In-Reply-To: <1389826716-16956-1-git-send-email-tomas.winkler@intel.com> References: <1389826716-16956-1-git-send-email-tomas.winkler@intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This header file add mei_txe_hw structure that hold txe hw specific state and other sw constructs. Signed-off-by: Tomas Winkler Signed-off-by: Alexander Usyskin --- drivers/misc/mei/hw-txe.h | 71 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 drivers/misc/mei/hw-txe.h diff --git a/drivers/misc/mei/hw-txe.h b/drivers/misc/mei/hw-txe.h new file mode 100644 index 0000000..857d88c --- /dev/null +++ b/drivers/misc/mei/hw-txe.h @@ -0,0 +1,71 @@ +/* + * + * 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 "hw.h" +#include "hw-txe-regs.h" + +/* 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: aliveness wait queue + * @recvd_aliveness: aliveness interrupt was recived + * @intr_cause: translated interrupt cause + */ +struct mei_txe_hw { + void __iomem *mem_addr[NUM_OF_MEM_BARS]; + u32 aliveness; + u32 readiness; + + wait_queue_head_t wait_aliveness; + bool recvd_aliveness; + + 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); +} + +struct mei_device *mei_txe_dev_init(struct pci_dev *pdev); + +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_ */ -- 1.8.4.2