From 863981e96738983919de841ec669e157e6bdaeb0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Sun, 11 Sep 2016 04:34:46 -0300 Subject: Linux-libre 4.7.1-gnu --- drivers/infiniband/hw/hfi1/twsi.h | 65 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 drivers/infiniband/hw/hfi1/twsi.h (limited to 'drivers/infiniband/hw/hfi1/twsi.h') diff --git a/drivers/infiniband/hw/hfi1/twsi.h b/drivers/infiniband/hw/hfi1/twsi.h new file mode 100644 index 000000000..5b8a5b5e7 --- /dev/null +++ b/drivers/infiniband/hw/hfi1/twsi.h @@ -0,0 +1,65 @@ +#ifndef _TWSI_H +#define _TWSI_H +/* + * Copyright(c) 2015, 2016 Intel Corporation. + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program 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. + * + * BSD LICENSE + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * - Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#define HFI1_TWSI_NO_DEV 0xFF + +struct hfi1_devdata; + +/* Bit position of SDA/SCL pins in ASIC_QSFP* registers */ +#define GPIO_SDA_NUM 1 +#define GPIO_SCL_NUM 0 + +/* these functions must be called with qsfp_lock held */ +int hfi1_twsi_reset(struct hfi1_devdata *dd, u32 target); +int hfi1_twsi_blk_rd(struct hfi1_devdata *dd, u32 target, int dev, int addr, + void *buffer, int len); +int hfi1_twsi_blk_wr(struct hfi1_devdata *dd, u32 target, int dev, int addr, + const void *buffer, int len); + +#endif /* _TWSI_H */ -- cgit v1.2.3-54-g00ecf