/*
* 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
*
* Copyright ( c ) 2008 - 2011 Intel Corporation . All rights reserved .
*
* 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 .
*
* You should have received a copy of the GNU General Public License
* along with this program ; if not , write to the Free Software
* Foundation , Inc . , 51 Franklin St - Fifth Floor , Boston , MA 02110 - 1301 USA .
* The full GNU General Public License is included in this distribution
* in the file called LICENSE . GPL .
*
* BSD LICENSE
*
* Copyright ( c ) 2008 - 2011 Intel Corporation . All rights reserved .
* All rights reserved .
*
* 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 .
*/
#ifndef _ISCI_PROBE_ROMS_H_
#define _ISCI_PROBE_ROMS_H_
#ifdef __KERNEL__
#include <linux/firmware.h>
#include <linux/pci.h>
#include <linux/efi.h>
#include "isci.h"
#define SCIC_SDS_PARM_NO_SPEED 0
/* generation 1 (i.e. 1.5 Gb/s) */
#define SCIC_SDS_PARM_GEN1_SPEED 1
/* generation 2 (i.e. 3.0 Gb/s) */
#define SCIC_SDS_PARM_GEN2_SPEED 2
/* generation 3 (i.e. 6.0 Gb/s) */
#define SCIC_SDS_PARM_GEN3_SPEED 3
#define SCIC_SDS_PARM_MAX_SPEED SCIC_SDS_PARM_GEN3_SPEED
/* parameters that can be set by module parameters */
struct sci_user_parameters {
struct sci_phy_user_params {
/**
* This field specifies the NOTIFY ( ENABLE SPIN UP ) primitive
* insertion frequency for this phy index .
*/
u32 notify_enable_spin_up_insertion_frequency;
/**
* This method specifies the number of transmitted DWORDs within which
* to transmit a single ALIGN primitive . This value applies regardless
* of what type of device is attached or connection state . A value of
* 0 indicates that no ALIGN primitives will be inserted .
*/
u16 align_insertion_frequency;
/**
* This method specifies the number of transmitted DWORDs within which
* to transmit 2 ALIGN primitives . This applies for SAS connections
* only . A minimum value of 3 is required for this field .
*/
u16 in_connection_align_insertion_frequency;
/**
* This field indicates the maximum speed generation to be utilized
* by phys in the supplied port .
* - A value of 1 indicates generation 1 ( i . e . 1 . 5 Gb / s ) .
* - A value of 2 indicates generation 2 ( i . e . 3 . 0 Gb / s ) .
* - A value of 3 indicates generation 3 ( i . e . 6 . 0 Gb / s ) .
*/
u8 max_speed_generation;
} phys[SCI_MAX_PHYS];
/**
* This field specifies the maximum number of direct attached devices
* that can have power supplied to them simultaneously .
*/
u8 max_concurr_spinup;
/**
* This field specifies the number of seconds to allow a phy to consume
* power before yielding to another phy .
*
*/
u8 phy_spin_up_delay_interval;
/**
* These timer values specifies how long a link will remain open with no
* activity in increments of a microsecond , it can be in increments of
* 100 microseconds if the upper most bit is set .
*
*/
u16 stp_inactivity_timeout;
u16 ssp_inactivity_timeout;
/**
* These timer values specifies how long a link will remain open in increments
* of 100 microseconds .
*
*/
u16 stp_max_occupancy_timeout;
u16 ssp_max_occupancy_timeout;
/**
* This timer value specifies how long a link will remain open with no
* outbound traffic in increments of a microsecond .
*
*/
u8 no_outbound_task_timeout;
};
#define SCIC_SDS_PARM_PHY_MASK_MIN 0 x0
#define SCIC_SDS_PARM_PHY_MASK_MAX 0 xF
#define MAX_CONCURRENT_DEVICE_SPIN_UP_COUNT 4
struct sci_oem_params;
int sci_oem_parameters_validate(struct sci_oem_params *oem, u8 version);
struct isci_orom;
struct isci_orom *isci_request_oprom(struct pci_dev *pdev);
struct isci_orom *isci_request_firmware(struct pci_dev *pdev, const struct firmware *fw);
struct isci_orom *isci_get_efi_var(struct pci_dev *pdev);
struct isci_oem_hdr {
u8 sig[4 ];
u8 rev_major;
u8 rev_minor;
u16 len;
u8 checksum;
u8 reserved1;
u16 reserved2;
} __attribute__ ((packed));
#else
#define SCI_MAX_PORTS 4
#define SCI_MAX_PHYS 4
#define SCI_MAX_CONTROLLERS 2
#endif
#define ISCI_FW_NAME "isci/isci_firmware.bin"
#define ROMSIGNATURE 0 xaa55
#define ISCI_OEM_SIG "$OEM"
#define ISCI_OEM_SIG_SIZE 4
#define ISCI_ROM_SIG "ISCUOEMB"
#define ISCI_ROM_SIG_SIZE 8
#define ISCI_EFI_VENDOR_GUID \
EFI_GUID(0 x193dfefa, 0 xa445, 0 x4302, 0 x99, 0 xd8, 0 xef, 0 x3a, 0 xad, \
0 x1a, 0 x04, 0 xc6)
#define ISCI_EFI_VAR_NAME "RstScuO"
#define ISCI_ROM_VER_1_0 0 x10
#define ISCI_ROM_VER_1_1 0 x11
#define ISCI_ROM_VER_1_3 0 x13
#define ISCI_ROM_VER_LATEST ISCI_ROM_VER_1_3
/* Allowed PORT configuration modes APC Automatic PORT configuration mode is
* defined by the OEM configuration parameters providing no PHY_MASK parameters
* for any PORT . i . e . There are no phys assigned to any of the ports at start .
* MPC Manual PORT configuration mode is defined by the OEM configuration
* parameters providing a PHY_MASK value for any PORT . It is assumed that any
* PORT with no PHY_MASK is an invalid port and not all PHYs must be assigned .
* A PORT_PHY mask that assigns just a single PHY to a port and no other PHYs
* being assigned is sufficient to declare manual PORT configuration .
*/
enum sci_port_configuration_mode {
SCIC_PORT_MANUAL_CONFIGURATION_MODE = 0 ,
SCIC_PORT_AUTOMATIC_CONFIGURATION_MODE = 1
};
struct sci_bios_oem_param_block_hdr {
uint8_t signature[ISCI_ROM_SIG_SIZE];
uint16_t total_block_length;
uint8_t hdr_length;
uint8_t version;
uint8_t preboot_source;
uint8_t num_elements;
uint16_t element_length;
uint8_t reserved[8 ];
} __attribute__ ((packed));
struct sci_oem_params {
struct {
uint8_t mode_type;
uint8_t max_concurr_spin_up;
/*
* This bitfield indicates the OEM ' s desired default Tx
* Spread Spectrum Clocking ( SSC ) settings for SATA and SAS .
* NOTE : Default SSC Modulation Frequency is 31 . 5 KHz .
*/
union {
struct {
/*
* NOTE : Max spread for SATA is + 0 / - 5000 PPM .
* Down - spreading SSC ( only method allowed for SATA ) :
* SATA SSC Tx Disabled = 0 x0
* SATA SSC Tx at + 0 / - 1419 PPM Spread = 0 x2
* SATA SSC Tx at + 0 / - 2129 PPM Spread = 0 x3
* SATA SSC Tx at + 0 / - 4257 PPM Spread = 0 x6
* SATA SSC Tx at + 0 / - 4967 PPM Spread = 0 x7
*/
uint8_t ssc_sata_tx_spread_level:4 ;
/*
* SAS SSC Tx Disabled = 0 x0
*
* NOTE : Max spread for SAS down - spreading + 0 /
* - 2300 PPM
* Down - spreading SSC :
* SAS SSC Tx at + 0 / - 1419 PPM Spread = 0 x2
* SAS SSC Tx at + 0 / - 2129 PPM Spread = 0 x3
*
* NOTE : Max spread for SAS center - spreading + 2300 /
* - 2300 PPM
* Center - spreading SSC :
* SAS SSC Tx at + 1064 / - 1064 PPM Spread = 0 x3
* SAS SSC Tx at + 2129 / - 2129 PPM Spread = 0 x6
*/
uint8_t ssc_sas_tx_spread_level:3 ;
/*
* NOTE : Refer to the SSC section of the SAS 2 . x
* Specification for proper setting of this field .
* For standard SAS Initiator SAS PHY operation it
* should be 0 for Down - spreading .
* SAS SSC Tx spread type :
* Down - spreading SSC = 0
* Center - spreading SSC = 1
*/
uint8_t ssc_sas_tx_type:1 ;
};
uint8_t do_enable_ssc;
};
/*
* This field indicates length of the SAS / SATA cable between
* host and device .
* This field is used make relationship between analog
* parameters of the phy in the silicon and length of the cable .
* Supported cable attenuation levels :
* " short " - up to 3 m , " medium " - 3 m to 6 m , and " long " - more than
* 6 m .
*
* This is bit mask field :
*
* BIT : ( MSB ) 7 6 5 4
* ASSIGNMENT : < phy3 > < phy2 > < phy1 > < phy0 > - Medium cable
* length assignment
* BIT : 3 2 1 0 ( LSB )
* ASSIGNMENT : < phy3 > < phy2 > < phy1 > < phy0 > - Long cable length
* assignment
*
* BITS 7 - 4 are set when the cable length is assigned to medium
* BITS 3 - 0 are set when the cable length is assigned to long
*
* The BIT positions are clear when the cable length is
* assigned to short .
*
* Setting the bits for both long and medium cable length is
* undefined .
*
* A value of 0 x84 would assign
* phy3 - medium
* phy2 - long
* phy1 - short
* phy0 - short
*/
uint8_t cable_selection_mask;
} controller;
struct {
uint8_t phy_mask;
} ports[SCI_MAX_PORTS];
struct sci_phy_oem_params {
struct {
uint32_t high;
uint32_t low;
} sas_address;
uint32_t afe_tx_amp_control0;
uint32_t afe_tx_amp_control1;
uint32_t afe_tx_amp_control2;
uint32_t afe_tx_amp_control3;
} phys[SCI_MAX_PHYS];
} __attribute__ ((packed));
struct isci_orom {
struct sci_bios_oem_param_block_hdr hdr;
struct sci_oem_params ctrl[SCI_MAX_CONTROLLERS];
} __attribute__ ((packed));
#endif
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