diff options
Diffstat (limited to 'drivers/staging/rdma/hfi1/qsfp.h')
| -rw-r--r-- | drivers/staging/rdma/hfi1/qsfp.h | 240 |
1 files changed, 0 insertions, 240 deletions
diff --git a/drivers/staging/rdma/hfi1/qsfp.h b/drivers/staging/rdma/hfi1/qsfp.h deleted file mode 100644 index dadc66c442b9..000000000000 --- a/drivers/staging/rdma/hfi1/qsfp.h +++ /dev/null @@ -1,240 +0,0 @@ -/* - * 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. - * - */ -/* QSFP support common definitions, for hfi driver */ - -#define QSFP_DEV 0xA0 -#define QSFP_PWR_LAG_MSEC 2000 -#define QSFP_MODPRS_LAG_MSEC 20 -/* 128 byte pages, per SFF 8636 rev 2.4 */ -#define QSFP_MAX_NUM_PAGES 5 - -/* - * Below are masks for QSFP pins. Pins are the same for HFI0 and HFI1. - * _N means asserted low - */ -#define QSFP_HFI0_I2CCLK BIT(0) -#define QSFP_HFI0_I2CDAT BIT(1) -#define QSFP_HFI0_RESET_N BIT(2) -#define QSFP_HFI0_INT_N BIT(3) -#define QSFP_HFI0_MODPRST_N BIT(4) - -/* QSFP is paged at 256 bytes */ -#define QSFP_PAGESIZE 256 -/* Reads/writes cannot cross 128 byte boundaries */ -#define QSFP_RW_BOUNDARY 128 - -/* number of bytes in i2c offset for QSFP devices */ -#define __QSFP_OFFSET_SIZE 1 /* num address bytes */ -#define QSFP_OFFSET_SIZE (__QSFP_OFFSET_SIZE << 8) /* shifted value */ - -/* Defined fields that Intel requires of qualified cables */ -/* Byte 0 is Identifier, not checked */ -/* Byte 1 is reserved "status MSB" */ -#define QSFP_TX_CTRL_BYTE_OFFS 86 -#define QSFP_PWR_CTRL_BYTE_OFFS 93 -#define QSFP_CDR_CTRL_BYTE_OFFS 98 - -#define QSFP_PAGE_SELECT_BYTE_OFFS 127 -/* Byte 128 is Identifier: must be 0x0c for QSFP, or 0x0d for QSFP+ */ -#define QSFP_MOD_ID_OFFS 128 -/* - * Byte 129 is "Extended Identifier". - * For bits [7:6]: 0:1.5W, 1:2.0W, 2:2.5W, 3:3.5W - * For bits [1:0]: 0:Unused, 1:4W, 2:4.5W, 3:5W - */ -#define QSFP_MOD_PWR_OFFS 129 -/* Byte 130 is Connector type. Not Intel req'd */ -/* Bytes 131..138 are Transceiver types, bit maps for various tech, none IB */ -/* Byte 139 is encoding. code 0x01 is 8b10b. Not Intel req'd */ -/* byte 140 is nominal bit-rate, in units of 100Mbits/sec */ -#define QSFP_NOM_BIT_RATE_100_OFFS 140 -/* Byte 141 is Extended Rate Select. Not Intel req'd */ -/* Bytes 142..145 are lengths for various fiber types. Not Intel req'd */ -/* Byte 146 is length for Copper. Units of 1 meter */ -#define QSFP_MOD_LEN_OFFS 146 -/* - * Byte 147 is Device technology. D0..3 not Intel req'd - * D4..7 select from 15 choices, translated by table: - */ -#define QSFP_MOD_TECH_OFFS 147 -extern const char *const hfi1_qsfp_devtech[16]; -/* Active Equalization includes fiber, copper full EQ, and copper near Eq */ -#define QSFP_IS_ACTIVE(tech) ((0xA2FF >> ((tech) >> 4)) & 1) -/* Active Equalization includes fiber, copper full EQ, and copper far Eq */ -#define QSFP_IS_ACTIVE_FAR(tech) ((0x32FF >> ((tech) >> 4)) & 1) -/* Attenuation should be valid for copper other than full/near Eq */ -#define QSFP_HAS_ATTEN(tech) ((0x4D00 >> ((tech) >> 4)) & 1) -/* Length is only valid if technology is "copper" */ -#define QSFP_IS_CU(tech) ((0xED00 >> ((tech) >> 4)) & 1) -#define QSFP_TECH_1490 9 - -#define QSFP_OUI(oui) (((unsigned)oui[0] << 16) | ((unsigned)oui[1] << 8) | \ - oui[2]) -#define QSFP_OUI_AMPHENOL 0x415048 -#define QSFP_OUI_FINISAR 0x009065 -#define QSFP_OUI_GORE 0x002177 - -/* Bytes 148..163 are Vendor Name, Left-justified Blank-filled */ -#define QSFP_VEND_OFFS 148 -#define QSFP_VEND_LEN 16 -/* Byte 164 is IB Extended transceiver codes Bits D0..3 are SDR,DDR,QDR,EDR */ -#define QSFP_IBXCV_OFFS 164 -/* Bytes 165..167 are Vendor OUI number */ -#define QSFP_VOUI_OFFS 165 -#define QSFP_VOUI_LEN 3 -/* Bytes 168..183 are Vendor Part Number, string */ -#define QSFP_PN_OFFS 168 -#define QSFP_PN_LEN 16 -/* Bytes 184,185 are Vendor Rev. Left Justified, Blank-filled */ -#define QSFP_REV_OFFS 184 -#define QSFP_REV_LEN 2 -/* - * Bytes 186,187 are Wavelength, if Optical. Not Intel req'd - * If copper, they are attenuation in dB: - * Byte 186 is at 2.5Gb/sec (SDR), Byte 187 at 5.0Gb/sec (DDR) - */ -#define QSFP_ATTEN_OFFS 186 -#define QSFP_ATTEN_LEN 2 -/* - * Bytes 188,189 are Wavelength tolerance, if optical - * If copper, they are attenuation in dB: - * Byte 188 is at 12.5 Gb/s, Byte 189 at 25 Gb/s - */ -#define QSFP_CU_ATTEN_7G_OFFS 188 -#define QSFP_CU_ATTEN_12G_OFFS 189 -/* Byte 190 is Max Case Temp. Not Intel req'd */ -/* Byte 191 is LSB of sum of bytes 128..190. Not Intel req'd */ -#define QSFP_CC_OFFS 191 -#define QSFP_EQ_INFO_OFFS 193 -#define QSFP_CDR_INFO_OFFS 194 -/* Bytes 196..211 are Serial Number, String */ -#define QSFP_SN_OFFS 196 -#define QSFP_SN_LEN 16 -/* Bytes 212..219 are date-code YYMMDD (MM==1 for Jan) */ -#define QSFP_DATE_OFFS 212 -#define QSFP_DATE_LEN 6 -/* Bytes 218,219 are optional lot-code, string */ -#define QSFP_LOT_OFFS 218 -#define QSFP_LOT_LEN 2 -/* Bytes 220, 221 indicate monitoring options, Not Intel req'd */ -/* Byte 222 indicates nominal bitrate in units of 250Mbits/sec */ -#define QSFP_NOM_BIT_RATE_250_OFFS 222 -/* Byte 223 is LSB of sum of bytes 192..222 */ -#define QSFP_CC_EXT_OFFS 223 - -/* - * Interrupt flag masks - */ -#define QSFP_DATA_NOT_READY 0x01 - -#define QSFP_HIGH_TEMP_ALARM 0x80 -#define QSFP_LOW_TEMP_ALARM 0x40 -#define QSFP_HIGH_TEMP_WARNING 0x20 -#define QSFP_LOW_TEMP_WARNING 0x10 - -#define QSFP_HIGH_VCC_ALARM 0x80 -#define QSFP_LOW_VCC_ALARM 0x40 -#define QSFP_HIGH_VCC_WARNING 0x20 -#define QSFP_LOW_VCC_WARNING 0x10 - -#define QSFP_HIGH_POWER_ALARM 0x88 -#define QSFP_LOW_POWER_ALARM 0x44 -#define QSFP_HIGH_POWER_WARNING 0x22 -#define QSFP_LOW_POWER_WARNING 0x11 - -#define QSFP_HIGH_BIAS_ALARM 0x88 -#define QSFP_LOW_BIAS_ALARM 0x44 -#define QSFP_HIGH_BIAS_WARNING 0x22 -#define QSFP_LOW_BIAS_WARNING 0x11 - -#define QSFP_ATTEN_SDR(attenarray) (attenarray[0]) -#define QSFP_ATTEN_DDR(attenarray) (attenarray[1]) - -/* - * struct qsfp_data encapsulates state of QSFP device for one port. - * it will be part of port-specific data if a board supports QSFP. - * - * Since multiple board-types use QSFP, and their pport_data structs - * differ (in the chip-specific section), we need a pointer to its head. - * - * Avoiding premature optimization, we will have one work_struct per port, - * and let the qsfp_lock arbitrate access to common resources. - * - */ -struct qsfp_data { - /* Helps to find our way */ - struct hfi1_pportdata *ppd; - struct work_struct qsfp_work; - u8 cache[QSFP_MAX_NUM_PAGES * 128]; - /* protect qsfp data */ - spinlock_t qsfp_lock; - u8 check_interrupt_flags; - u8 reset_needed; - u8 limiting_active; - u8 cache_valid; - u8 cache_refresh_required; -}; - -int refresh_qsfp_cache(struct hfi1_pportdata *ppd, - struct qsfp_data *cp); -int get_qsfp_power_class(u8 power_byte); -int qsfp_mod_present(struct hfi1_pportdata *ppd); -int get_cable_info(struct hfi1_devdata *dd, u32 port_num, u32 addr, - u32 len, u8 *data); - -int i2c_write(struct hfi1_pportdata *ppd, u32 target, int i2c_addr, - int offset, void *bp, int len); -int i2c_read(struct hfi1_pportdata *ppd, u32 target, int i2c_addr, - int offset, void *bp, int len); -int qsfp_write(struct hfi1_pportdata *ppd, u32 target, int addr, void *bp, - int len); -int qsfp_read(struct hfi1_pportdata *ppd, u32 target, int addr, void *bp, - int len); -int one_qsfp_write(struct hfi1_pportdata *ppd, u32 target, int addr, void *bp, - int len); -int one_qsfp_read(struct hfi1_pportdata *ppd, u32 target, int addr, void *bp, - int len); |