mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-15 23:56:45 +07:00
55f4b1f736
This patch introduces Exynos UFS host controller driver which mainly handles vendor-specific operations including link startup, power mode change and hibernation/unhibernation. [robot: drivers/scsi/ufs/ufs-exynos.c:931:8-10: WARNING: possible condition with no effect (if == else) ] Link: https://lore.kernel.org/r/20200528011658.71590-10-alim.akhtar@samsung.com Reported-by: kbuild test robot <lkp@intel.com> Reported-by: Julia Lawall <julia.lawall@lip6.fr> Tested-by: Paweł Chmiel <pawel.mikolaj.chmiel@gmail.com> Reviewed-by: Kiwoong Kim <kwmad.kim@samsung.com> Reviewed-by: Avri Altman <avri.altman@wdc.com> Signed-off-by: Seungwon Jeon <essuuj@gmail.com> Signed-off-by: Alim Akhtar <alim.akhtar@samsung.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
328 lines
9.1 KiB
C
328 lines
9.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* drivers/scsi/ufs/unipro.h
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*
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* Copyright (C) 2013 Samsung Electronics Co., Ltd.
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*/
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#ifndef _UNIPRO_H_
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#define _UNIPRO_H_
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/*
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* M-TX Configuration Attributes
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*/
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#define TX_HIBERN8TIME_CAPABILITY 0x000F
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#define TX_MODE 0x0021
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#define TX_HSRATE_SERIES 0x0022
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#define TX_HSGEAR 0x0023
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#define TX_PWMGEAR 0x0024
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#define TX_AMPLITUDE 0x0025
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#define TX_HS_SLEWRATE 0x0026
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#define TX_SYNC_SOURCE 0x0027
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#define TX_HS_SYNC_LENGTH 0x0028
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#define TX_HS_PREPARE_LENGTH 0x0029
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#define TX_LS_PREPARE_LENGTH 0x002A
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#define TX_HIBERN8_CONTROL 0x002B
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#define TX_LCC_ENABLE 0x002C
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#define TX_PWM_BURST_CLOSURE_EXTENSION 0x002D
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#define TX_BYPASS_8B10B_ENABLE 0x002E
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#define TX_DRIVER_POLARITY 0x002F
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#define TX_HS_UNTERMINATED_LINE_DRIVE_ENABLE 0x0030
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#define TX_LS_TERMINATED_LINE_DRIVE_ENABLE 0x0031
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#define TX_LCC_SEQUENCER 0x0032
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#define TX_MIN_ACTIVATETIME 0x0033
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#define TX_PWM_G6_G7_SYNC_LENGTH 0x0034
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#define TX_REFCLKFREQ 0x00EB
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#define TX_CFGCLKFREQVAL 0x00EC
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#define CFGEXTRATTR 0x00F0
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#define DITHERCTRL2 0x00F1
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/*
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* M-RX Configuration Attributes
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*/
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#define RX_MODE 0x00A1
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#define RX_HSRATE_SERIES 0x00A2
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#define RX_HSGEAR 0x00A3
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#define RX_PWMGEAR 0x00A4
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#define RX_LS_TERMINATED_ENABLE 0x00A5
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#define RX_HS_UNTERMINATED_ENABLE 0x00A6
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#define RX_ENTER_HIBERN8 0x00A7
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#define RX_BYPASS_8B10B_ENABLE 0x00A8
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#define RX_TERMINATION_FORCE_ENABLE 0x00A9
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#define RX_MIN_ACTIVATETIME_CAPABILITY 0x008F
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#define RX_HIBERN8TIME_CAPABILITY 0x0092
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#define RX_REFCLKFREQ 0x00EB
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#define RX_CFGCLKFREQVAL 0x00EC
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#define CFGWIDEINLN 0x00F0
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#define CFGRXCDR8 0x00BA
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#define ENARXDIRECTCFG4 0x00F2
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#define CFGRXOVR8 0x00BD
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#define RXDIRECTCTRL2 0x00C7
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#define ENARXDIRECTCFG3 0x00F3
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#define RXCALCTRL 0x00B4
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#define ENARXDIRECTCFG2 0x00F4
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#define CFGRXOVR4 0x00E9
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#define RXSQCTRL 0x00B5
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#define CFGRXOVR6 0x00BF
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#define RX_HS_G1_SYNC_LENGTH_CAP 0x008B
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#define RX_HS_G1_PREP_LENGTH_CAP 0x008C
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#define RX_HS_G2_SYNC_LENGTH_CAP 0x0094
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#define RX_HS_G3_SYNC_LENGTH_CAP 0x0095
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#define RX_HS_G2_PREP_LENGTH_CAP 0x0096
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#define RX_HS_G3_PREP_LENGTH_CAP 0x0097
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#define RX_ADV_GRANULARITY_CAP 0x0098
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#define RX_MIN_ACTIVATETIME_CAP 0x008F
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#define RX_HIBERN8TIME_CAP 0x0092
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#define RX_ADV_HIBERN8TIME_CAP 0x0099
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#define RX_ADV_MIN_ACTIVATETIME_CAP 0x009A
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#define is_mphy_tx_attr(attr) (attr < RX_MODE)
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#define RX_ADV_FINE_GRAN_STEP(x) ((((x) & 0x3) << 1) | 0x1)
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#define SYNC_LEN_FINE(x) ((x) & 0x3F)
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#define SYNC_LEN_COARSE(x) ((1 << 6) | ((x) & 0x3F))
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#define PREP_LEN(x) ((x) & 0xF)
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#define RX_MIN_ACTIVATETIME_UNIT_US 100
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#define HIBERN8TIME_UNIT_US 100
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/*
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* Common Block Attributes
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*/
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#define TX_GLOBALHIBERNATE UNIPRO_CB_OFFSET(0x002B)
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#define REFCLKMODE UNIPRO_CB_OFFSET(0x00BF)
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#define DIRECTCTRL19 UNIPRO_CB_OFFSET(0x00CD)
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#define DIRECTCTRL10 UNIPRO_CB_OFFSET(0x00E6)
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#define CDIRECTCTRL6 UNIPRO_CB_OFFSET(0x00EA)
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#define RTOBSERVESELECT UNIPRO_CB_OFFSET(0x00F0)
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#define CBDIVFACTOR UNIPRO_CB_OFFSET(0x00F1)
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#define CBDCOCTRL5 UNIPRO_CB_OFFSET(0x00F3)
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#define CBPRGPLL2 UNIPRO_CB_OFFSET(0x00F8)
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#define CBPRGTUNING UNIPRO_CB_OFFSET(0x00FB)
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#define UNIPRO_CB_OFFSET(x) (0x8000 | x)
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/*
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* PHY Adpater attributes
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*/
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#define PA_ACTIVETXDATALANES 0x1560
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#define PA_ACTIVERXDATALANES 0x1580
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#define PA_TXTRAILINGCLOCKS 0x1564
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#define PA_PHY_TYPE 0x1500
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#define PA_AVAILTXDATALANES 0x1520
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#define PA_AVAILRXDATALANES 0x1540
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#define PA_MINRXTRAILINGCLOCKS 0x1543
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#define PA_TXPWRSTATUS 0x1567
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#define PA_RXPWRSTATUS 0x1582
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#define PA_TXFORCECLOCK 0x1562
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#define PA_TXPWRMODE 0x1563
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#define PA_LEGACYDPHYESCDL 0x1570
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#define PA_MAXTXSPEEDFAST 0x1521
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#define PA_MAXTXSPEEDSLOW 0x1522
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#define PA_MAXRXSPEEDFAST 0x1541
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#define PA_MAXRXSPEEDSLOW 0x1542
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#define PA_TXLINKSTARTUPHS 0x1544
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#define PA_LOCAL_TX_LCC_ENABLE 0x155E
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#define PA_TXSPEEDFAST 0x1565
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#define PA_TXSPEEDSLOW 0x1566
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#define PA_REMOTEVERINFO 0x15A0
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#define PA_TXGEAR 0x1568
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#define PA_TXTERMINATION 0x1569
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#define PA_HSSERIES 0x156A
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#define PA_PWRMODE 0x1571
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#define PA_RXGEAR 0x1583
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#define PA_RXTERMINATION 0x1584
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#define PA_MAXRXPWMGEAR 0x1586
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#define PA_MAXRXHSGEAR 0x1587
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#define PA_RXHSUNTERMCAP 0x15A5
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#define PA_RXLSTERMCAP 0x15A6
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#define PA_GRANULARITY 0x15AA
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#define PA_PACPREQTIMEOUT 0x1590
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#define PA_PACPREQEOBTIMEOUT 0x1591
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#define PA_HIBERN8TIME 0x15A7
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#define PA_LOCALVERINFO 0x15A9
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#define PA_GRANULARITY 0x15AA
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#define PA_TACTIVATE 0x15A8
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#define PA_PACPFRAMECOUNT 0x15C0
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#define PA_PACPERRORCOUNT 0x15C1
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#define PA_PHYTESTCONTROL 0x15C2
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#define PA_PWRMODEUSERDATA0 0x15B0
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#define PA_PWRMODEUSERDATA1 0x15B1
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#define PA_PWRMODEUSERDATA2 0x15B2
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#define PA_PWRMODEUSERDATA3 0x15B3
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#define PA_PWRMODEUSERDATA4 0x15B4
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#define PA_PWRMODEUSERDATA5 0x15B5
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#define PA_PWRMODEUSERDATA6 0x15B6
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#define PA_PWRMODEUSERDATA7 0x15B7
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#define PA_PWRMODEUSERDATA8 0x15B8
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#define PA_PWRMODEUSERDATA9 0x15B9
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#define PA_PWRMODEUSERDATA10 0x15BA
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#define PA_PWRMODEUSERDATA11 0x15BB
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#define PA_CONNECTEDTXDATALANES 0x1561
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#define PA_CONNECTEDRXDATALANES 0x1581
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#define PA_LOGICALLANEMAP 0x15A1
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#define PA_SLEEPNOCONFIGTIME 0x15A2
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#define PA_STALLNOCONFIGTIME 0x15A3
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#define PA_SAVECONFIGTIME 0x15A4
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#define PA_TXHSADAPTTYPE 0x15D4
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/* Adpat type for PA_TXHSADAPTTYPE attribute */
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#define PA_REFRESH_ADAPT 0x00
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#define PA_INITIAL_ADAPT 0x01
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#define PA_NO_ADAPT 0x03
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#define PA_TACTIVATE_TIME_UNIT_US 10
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#define PA_HIBERN8_TIME_UNIT_US 100
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/*Other attributes*/
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#define VS_MPHYCFGUPDT 0xD085
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#define VS_DEBUGOMC 0xD09E
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#define VS_POWERSTATE 0xD083
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#define PA_GRANULARITY_MIN_VAL 1
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#define PA_GRANULARITY_MAX_VAL 6
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/* PHY Adapter Protocol Constants */
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#define PA_MAXDATALANES 4
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#define DL_FC0ProtectionTimeOutVal_Default 8191
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#define DL_TC0ReplayTimeOutVal_Default 65535
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#define DL_AFC0ReqTimeOutVal_Default 32767
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#define DL_FC1ProtectionTimeOutVal_Default 8191
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#define DL_TC1ReplayTimeOutVal_Default 65535
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#define DL_AFC1ReqTimeOutVal_Default 32767
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#define DME_LocalFC0ProtectionTimeOutVal 0xD041
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#define DME_LocalTC0ReplayTimeOutVal 0xD042
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#define DME_LocalAFC0ReqTimeOutVal 0xD043
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/* PA power modes */
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enum {
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FAST_MODE = 1,
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SLOW_MODE = 2,
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FASTAUTO_MODE = 4,
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SLOWAUTO_MODE = 5,
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UNCHANGED = 7,
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};
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/* PA TX/RX Frequency Series */
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enum {
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PA_HS_MODE_A = 1,
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PA_HS_MODE_B = 2,
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};
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enum ufs_pwm_gear_tag {
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UFS_PWM_DONT_CHANGE, /* Don't change Gear */
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UFS_PWM_G1, /* PWM Gear 1 (default for reset) */
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UFS_PWM_G2, /* PWM Gear 2 */
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UFS_PWM_G3, /* PWM Gear 3 */
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UFS_PWM_G4, /* PWM Gear 4 */
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UFS_PWM_G5, /* PWM Gear 5 */
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UFS_PWM_G6, /* PWM Gear 6 */
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UFS_PWM_G7, /* PWM Gear 7 */
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};
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enum ufs_hs_gear_tag {
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UFS_HS_DONT_CHANGE, /* Don't change Gear */
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UFS_HS_G1, /* HS Gear 1 (default for reset) */
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UFS_HS_G2, /* HS Gear 2 */
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UFS_HS_G3, /* HS Gear 3 */
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UFS_HS_G4, /* HS Gear 4 */
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};
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enum ufs_unipro_ver {
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UFS_UNIPRO_VER_RESERVED = 0,
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UFS_UNIPRO_VER_1_40 = 1, /* UniPro version 1.40 */
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UFS_UNIPRO_VER_1_41 = 2, /* UniPro version 1.41 */
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UFS_UNIPRO_VER_1_6 = 3, /* UniPro version 1.6 */
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UFS_UNIPRO_VER_MAX = 4, /* UniPro unsupported version */
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/* UniPro version field mask in PA_LOCALVERINFO */
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UFS_UNIPRO_VER_MASK = 0xF,
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};
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/*
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* Data Link Layer Attributes
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*/
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#define DL_TC0TXFCTHRESHOLD 0x2040
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#define DL_FC0PROTTIMEOUTVAL 0x2041
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#define DL_TC0REPLAYTIMEOUTVAL 0x2042
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#define DL_AFC0REQTIMEOUTVAL 0x2043
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#define DL_AFC0CREDITTHRESHOLD 0x2044
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#define DL_TC0OUTACKTHRESHOLD 0x2045
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#define DL_TC1TXFCTHRESHOLD 0x2060
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#define DL_FC1PROTTIMEOUTVAL 0x2061
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#define DL_TC1REPLAYTIMEOUTVAL 0x2062
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#define DL_AFC1REQTIMEOUTVAL 0x2063
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#define DL_AFC1CREDITTHRESHOLD 0x2064
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#define DL_TC1OUTACKTHRESHOLD 0x2065
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#define DL_TXPREEMPTIONCAP 0x2000
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#define DL_TC0TXMAXSDUSIZE 0x2001
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#define DL_TC0RXINITCREDITVAL 0x2002
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#define DL_TC0TXBUFFERSIZE 0x2005
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#define DL_PEERTC0PRESENT 0x2046
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#define DL_PEERTC0RXINITCREVAL 0x2047
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#define DL_TC1TXMAXSDUSIZE 0x2003
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#define DL_TC1RXINITCREDITVAL 0x2004
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#define DL_TC1TXBUFFERSIZE 0x2006
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#define DL_PEERTC1PRESENT 0x2066
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#define DL_PEERTC1RXINITCREVAL 0x2067
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/*
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* Network Layer Attributes
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*/
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#define N_DEVICEID 0x3000
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#define N_DEVICEID_VALID 0x3001
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#define N_TC0TXMAXSDUSIZE 0x3020
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#define N_TC1TXMAXSDUSIZE 0x3021
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/*
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* Transport Layer Attributes
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*/
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#define T_NUMCPORTS 0x4000
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#define T_NUMTESTFEATURES 0x4001
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#define T_CONNECTIONSTATE 0x4020
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#define T_PEERDEVICEID 0x4021
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#define T_PEERCPORTID 0x4022
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#define T_TRAFFICCLASS 0x4023
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#define T_PROTOCOLID 0x4024
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#define T_CPORTFLAGS 0x4025
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#define T_TXTOKENVALUE 0x4026
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#define T_RXTOKENVALUE 0x4027
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#define T_LOCALBUFFERSPACE 0x4028
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#define T_PEERBUFFERSPACE 0x4029
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#define T_CREDITSTOSEND 0x402A
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#define T_CPORTMODE 0x402B
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#define T_TC0TXMAXSDUSIZE 0x4060
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#define T_TC1TXMAXSDUSIZE 0x4061
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#ifdef FALSE
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#undef FALSE
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#endif
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#ifdef TRUE
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#undef TRUE
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#endif
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/* Boolean attribute values */
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enum {
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FALSE = 0,
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TRUE,
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};
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/* CPort setting */
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#define E2EFC_ON (1 << 0)
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#define E2EFC_OFF (0 << 0)
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#define CSD_N_ON (0 << 1)
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#define CSD_N_OFF (1 << 1)
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#define CSV_N_ON (0 << 2)
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#define CSV_N_OFF (1 << 2)
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#define CPORT_DEF_FLAGS (CSV_N_OFF | CSD_N_OFF | E2EFC_OFF)
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/* CPort connection state */
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enum {
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CPORT_IDLE = 0,
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CPORT_CONNECTED,
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};
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#endif /* _UNIPRO_H_ */
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