| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Santosh Yaraganavi | 703 | 66.51% | 2 | 7.69% |
| Seungwon Jeon | 78 | 7.38% | 4 | 15.38% |
| Kiwoong Kim | 64 | 6.05% | 1 | 3.85% |
| Yaniv Gardi | 54 | 5.11% | 5 | 19.23% |
| Alim Akhtar | 33 | 3.12% | 1 | 3.85% |
| Christoph Hellwig | 32 | 3.03% | 1 | 3.85% |
| Joao Pinto | 21 | 1.99% | 2 | 7.69% |
| Adrian Hunter | 21 | 1.99% | 1 | 3.85% |
| Sujit Reddy Thumma | 14 | 1.32% | 1 | 3.85% |
| Tomohiro Kusumi | 11 | 1.04% | 2 | 7.69% |
| Akinobu Mita | 10 | 0.95% | 1 | 3.85% |
| Dolev Raviv | 9 | 0.85% | 3 | 11.54% |
| Subhash Jadavani | 6 | 0.57% | 1 | 3.85% |
| Vinayak Holikatti | 1 | 0.09% | 1 | 3.85% |
| Total | 1057 | 26 |
/* * Universal Flash Storage Host controller driver * * This code is based on drivers/scsi/ufs/ufshci.h * Copyright (C) 2011-2013 Samsung India Software Operations * * Authors: * Santosh Yaraganavi <santosh.sy@samsung.com> * Vinayak Holikatti <h.vinayak@samsung.com> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * See the COPYING file in the top-level directory or visit * <http://www.gnu.org/licenses/gpl-2.0.html> * * 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. * * This program is provided "AS IS" and "WITH ALL FAULTS" and * without warranty of any kind. You are solely responsible for * determining the appropriateness of using and distributing * the program and assume all risks associated with your exercise * of rights with respect to the program, including but not limited * to infringement of third party rights, the risks and costs of * program errors, damage to or loss of data, programs or equipment, * and unavailability or interruption of operations. Under no * circumstances will the contributor of this Program be liable for * any damages of any kind arising from your use or distribution of * this program. */ #ifndef _UFSHCI_H #define _UFSHCI_H enum { TASK_REQ_UPIU_SIZE_DWORDS = 8, TASK_RSP_UPIU_SIZE_DWORDS = 8, ALIGNED_UPIU_SIZE = 512, }; /* UFSHCI Registers */ enum { REG_CONTROLLER_CAPABILITIES = 0x00, REG_UFS_VERSION = 0x08, REG_CONTROLLER_DEV_ID = 0x10, REG_CONTROLLER_PROD_ID = 0x14, REG_AUTO_HIBERNATE_IDLE_TIMER = 0x18, REG_INTERRUPT_STATUS = 0x20, REG_INTERRUPT_ENABLE = 0x24, REG_CONTROLLER_STATUS = 0x30, REG_CONTROLLER_ENABLE = 0x34, REG_UIC_ERROR_CODE_PHY_ADAPTER_LAYER = 0x38, REG_UIC_ERROR_CODE_DATA_LINK_LAYER = 0x3C, REG_UIC_ERROR_CODE_NETWORK_LAYER = 0x40, REG_UIC_ERROR_CODE_TRANSPORT_LAYER = 0x44, REG_UIC_ERROR_CODE_DME = 0x48, REG_UTP_TRANSFER_REQ_INT_AGG_CONTROL = 0x4C, REG_UTP_TRANSFER_REQ_LIST_BASE_L = 0x50, REG_UTP_TRANSFER_REQ_LIST_BASE_H = 0x54, REG_UTP_TRANSFER_REQ_DOOR_BELL = 0x58, REG_UTP_TRANSFER_REQ_LIST_CLEAR = 0x5C, REG_UTP_TRANSFER_REQ_LIST_RUN_STOP = 0x60, REG_UTP_TASK_REQ_LIST_BASE_L = 0x70, REG_UTP_TASK_REQ_LIST_BASE_H = 0x74, REG_UTP_TASK_REQ_DOOR_BELL = 0x78, REG_UTP_TASK_REQ_LIST_CLEAR = 0x7C, REG_UTP_TASK_REQ_LIST_RUN_STOP = 0x80, REG_UIC_COMMAND = 0x90, REG_UIC_COMMAND_ARG_1 = 0x94, REG_UIC_COMMAND_ARG_2 = 0x98, REG_UIC_COMMAND_ARG_3 = 0x9C, UFSHCI_REG_SPACE_SIZE = 0xA0, REG_UFS_CCAP = 0x100, REG_UFS_CRYPTOCAP = 0x104, UFSHCI_CRYPTO_REG_SPACE_SIZE = 0x400, }; /* Controller capability masks */ enum { MASK_TRANSFER_REQUESTS_SLOTS = 0x0000001F, MASK_TASK_MANAGEMENT_REQUEST_SLOTS = 0x00070000, MASK_AUTO_HIBERN8_SUPPORT = 0x00800000, MASK_64_ADDRESSING_SUPPORT = 0x01000000, MASK_OUT_OF_ORDER_DATA_DELIVERY_SUPPORT = 0x02000000, MASK_UIC_DME_TEST_MODE_SUPPORT = 0x04000000, }; #define UFS_MASK(mask, offset) ((mask) << (offset)) /* UFS Version 08h */ #define MINOR_VERSION_NUM_MASK UFS_MASK(0xFFFF, 0) #define MAJOR_VERSION_NUM_MASK UFS_MASK(0xFFFF, 16) /* Controller UFSHCI version */ enum { UFSHCI_VERSION_10 = 0x00010000, /* 1.0 */ UFSHCI_VERSION_11 = 0x00010100, /* 1.1 */ UFSHCI_VERSION_20 = 0x00000200, /* 2.0 */ UFSHCI_VERSION_21 = 0x00000210, /* 2.1 */ }; /* * HCDDID - Host Controller Identification Descriptor * - Device ID and Device Class 10h */ #define DEVICE_CLASS UFS_MASK(0xFFFF, 0) #define DEVICE_ID UFS_MASK(0xFF, 24) /* * HCPMID - Host Controller Identification Descriptor * - Product/Manufacturer ID 14h */ #define MANUFACTURE_ID_MASK UFS_MASK(0xFFFF, 0) #define PRODUCT_ID_MASK UFS_MASK(0xFFFF, 16) /* AHIT - Auto-Hibernate Idle Timer */ #define UFSHCI_AHIBERN8_TIMER_MASK GENMASK(9, 0) #define UFSHCI_AHIBERN8_SCALE_MASK GENMASK(12, 10) #define UFSHCI_AHIBERN8_SCALE_FACTOR 10 #define UFSHCI_AHIBERN8_MAX (1023 * 100000) /* * IS - Interrupt Status - 20h */ #define UTP_TRANSFER_REQ_COMPL 0x1 #define UIC_DME_END_PT_RESET 0x2 #define UIC_ERROR 0x4 #define UIC_TEST_MODE 0x8 #define UIC_POWER_MODE 0x10 #define UIC_HIBERNATE_EXIT 0x20 #define UIC_HIBERNATE_ENTER 0x40 #define UIC_LINK_LOST 0x80 #define UIC_LINK_STARTUP 0x100 #define UTP_TASK_REQ_COMPL 0x200 #define UIC_COMMAND_COMPL 0x400 #define DEVICE_FATAL_ERROR 0x800 #define CONTROLLER_FATAL_ERROR 0x10000 #define SYSTEM_BUS_FATAL_ERROR 0x20000 #define UFSHCD_UIC_PWR_MASK (UIC_HIBERNATE_ENTER |\ UIC_HIBERNATE_EXIT |\ UIC_POWER_MODE) #define UFSHCD_UIC_MASK (UIC_COMMAND_COMPL | UFSHCD_UIC_PWR_MASK) #define UFSHCD_ERROR_MASK (UIC_ERROR |\ DEVICE_FATAL_ERROR |\ CONTROLLER_FATAL_ERROR |\ SYSTEM_BUS_FATAL_ERROR) #define INT_FATAL_ERRORS (DEVICE_FATAL_ERROR |\ CONTROLLER_FATAL_ERROR |\ SYSTEM_BUS_FATAL_ERROR) /* HCS - Host Controller Status 30h */ #define DEVICE_PRESENT 0x1 #define UTP_TRANSFER_REQ_LIST_READY 0x2 #define UTP_TASK_REQ_LIST_READY 0x4 #define UIC_COMMAND_READY 0x8 #define HOST_ERROR_INDICATOR 0x10 #define DEVICE_ERROR_INDICATOR 0x20 #define UIC_POWER_MODE_CHANGE_REQ_STATUS_MASK UFS_MASK(0x7, 8) #define UFSHCD_STATUS_READY (UTP_TRANSFER_REQ_LIST_READY |\ UTP_TASK_REQ_LIST_READY |\ UIC_COMMAND_READY) enum { PWR_OK = 0x0, PWR_LOCAL = 0x01, PWR_REMOTE = 0x02, PWR_BUSY = 0x03, PWR_ERROR_CAP = 0x04, PWR_FATAL_ERROR = 0x05, }; /* HCE - Host Controller Enable 34h */ #define CONTROLLER_ENABLE 0x1 #define CONTROLLER_DISABLE 0x0 #define CRYPTO_GENERAL_ENABLE 0x2 /* UECPA - Host UIC Error Code PHY Adapter Layer 38h */ #define UIC_PHY_ADAPTER_LAYER_ERROR 0x80000000 #define UIC_PHY_ADAPTER_LAYER_ERROR_CODE_MASK 0x1F #define UIC_PHY_ADAPTER_LAYER_LANE_ERR_MASK 0xF /* UECDL - Host UIC Error Code Data Link Layer 3Ch */ #define UIC_DATA_LINK_LAYER_ERROR 0x80000000 #define UIC_DATA_LINK_LAYER_ERROR_CODE_MASK 0x7FFF #define UIC_DATA_LINK_LAYER_ERROR_TCX_REP_TIMER_EXP 0x2 #define UIC_DATA_LINK_LAYER_ERROR_AFCX_REQ_TIMER_EXP 0x4 #define UIC_DATA_LINK_LAYER_ERROR_FCX_PRO_TIMER_EXP 0x8 #define UIC_DATA_LINK_LAYER_ERROR_RX_BUF_OF 0x20 #define UIC_DATA_LINK_LAYER_ERROR_PA_INIT 0x2000 #define UIC_DATA_LINK_LAYER_ERROR_NAC_RECEIVED 0x0001 #define UIC_DATA_LINK_LAYER_ERROR_TCx_REPLAY_TIMEOUT 0x0002 /* UECN - Host UIC Error Code Network Layer 40h */ #define UIC_NETWORK_LAYER_ERROR 0x80000000 #define UIC_NETWORK_LAYER_ERROR_CODE_MASK 0x7 #define UIC_NETWORK_UNSUPPORTED_HEADER_TYPE 0x1 #define UIC_NETWORK_BAD_DEVICEID_ENC 0x2 #define UIC_NETWORK_LHDR_TRAP_PACKET_DROPPING 0x4 /* UECT - Host UIC Error Code Transport Layer 44h */ #define UIC_TRANSPORT_LAYER_ERROR 0x80000000 #define UIC_TRANSPORT_LAYER_ERROR_CODE_MASK 0x7F #define UIC_TRANSPORT_UNSUPPORTED_HEADER_TYPE 0x1 #define UIC_TRANSPORT_UNKNOWN_CPORTID 0x2 #define UIC_TRANSPORT_NO_CONNECTION_RX 0x4 #define UIC_TRANSPORT_CONTROLLED_SEGMENT_DROPPING 0x8 #define UIC_TRANSPORT_BAD_TC 0x10 #define UIC_TRANSPORT_E2E_CREDIT_OVERFOW 0x20 #define UIC_TRANSPORT_SAFETY_VALUE_DROPPING 0x40 /* UECDME - Host UIC Error Code DME 48h */ #define UIC_DME_ERROR 0x80000000 #define UIC_DME_ERROR_CODE_MASK 0x1 /* UTRIACR - Interrupt Aggregation control register - 0x4Ch */ #define INT_AGGR_TIMEOUT_VAL_MASK 0xFF #define INT_AGGR_COUNTER_THRESHOLD_MASK UFS_MASK(0x1F, 8) #define INT_AGGR_COUNTER_AND_TIMER_RESET 0x10000 #define INT_AGGR_STATUS_BIT 0x100000 #define INT_AGGR_PARAM_WRITE 0x1000000 #define INT_AGGR_ENABLE 0x80000000 /* UTRLRSR - UTP Transfer Request Run-Stop Register 60h */ #define UTP_TRANSFER_REQ_LIST_RUN_STOP_BIT 0x1 /* UTMRLRSR - UTP Task Management Request Run-Stop Register 80h */ #define UTP_TASK_REQ_LIST_RUN_STOP_BIT 0x1 /* UICCMD - UIC Command */ #define COMMAND_OPCODE_MASK 0xFF #define GEN_SELECTOR_INDEX_MASK 0xFFFF #define MIB_ATTRIBUTE_MASK UFS_MASK(0xFFFF, 16) #define RESET_LEVEL 0xFF #define ATTR_SET_TYPE_MASK UFS_MASK(0xFF, 16) #define CONFIG_RESULT_CODE_MASK 0xFF #define GENERIC_ERROR_CODE_MASK 0xFF /* GenSelectorIndex calculation macros for M-PHY attributes */ #define UIC_ARG_MPHY_TX_GEN_SEL_INDEX(lane) (lane) #define UIC_ARG_MPHY_RX_GEN_SEL_INDEX(lane) (PA_MAXDATALANES + (lane)) #define UIC_ARG_MIB_SEL(attr, sel) ((((attr) & 0xFFFF) << 16) |\ ((sel) & 0xFFFF)) #define UIC_ARG_MIB(attr) UIC_ARG_MIB_SEL(attr, 0) #define UIC_ARG_ATTR_TYPE(t) (((t) & 0xFF) << 16) #define UIC_GET_ATTR_ID(v) (((v) >> 16) & 0xFFFF) /* Link Status*/ enum link_status { UFSHCD_LINK_IS_DOWN = 1, UFSHCD_LINK_IS_UP = 2, }; /* UIC Commands */ enum uic_cmd_dme { UIC_CMD_DME_GET = 0x01, UIC_CMD_DME_SET = 0x02, UIC_CMD_DME_PEER_GET = 0x03, UIC_CMD_DME_PEER_SET = 0x04, UIC_CMD_DME_POWERON = 0x10, UIC_CMD_DME_POWEROFF = 0x11, UIC_CMD_DME_ENABLE = 0x12, UIC_CMD_DME_RESET = 0x14, UIC_CMD_DME_END_PT_RST = 0x15, UIC_CMD_DME_LINK_STARTUP = 0x16, UIC_CMD_DME_HIBER_ENTER = 0x17, UIC_CMD_DME_HIBER_EXIT = 0x18, UIC_CMD_DME_TEST_MODE = 0x1A, }; /* UIC Config result code / Generic error code */ enum { UIC_CMD_RESULT_SUCCESS = 0x00, UIC_CMD_RESULT_INVALID_ATTR = 0x01, UIC_CMD_RESULT_FAILURE = 0x01, UIC_CMD_RESULT_INVALID_ATTR_VALUE = 0x02, UIC_CMD_RESULT_READ_ONLY_ATTR = 0x03, UIC_CMD_RESULT_WRITE_ONLY_ATTR = 0x04, UIC_CMD_RESULT_BAD_INDEX = 0x05, UIC_CMD_RESULT_LOCKED_ATTR = 0x06, UIC_CMD_RESULT_BAD_TEST_FEATURE_INDEX = 0x07, UIC_CMD_RESULT_PEER_COMM_FAILURE = 0x08, UIC_CMD_RESULT_BUSY = 0x09, UIC_CMD_RESULT_DME_FAILURE = 0x0A, }; #define MASK_UIC_COMMAND_RESULT 0xFF #define INT_AGGR_COUNTER_THLD_VAL(c) (((c) & 0x1F) << 8) #define INT_AGGR_TIMEOUT_VAL(t) (((t) & 0xFF) << 0) /* Interrupt disable masks */ enum { /* Interrupt disable mask for UFSHCI v1.0 */ INTERRUPT_MASK_ALL_VER_10 = 0x30FFF, INTERRUPT_MASK_RW_VER_10 = 0x30000, /* Interrupt disable mask for UFSHCI v1.1 */ INTERRUPT_MASK_ALL_VER_11 = 0x31FFF, /* Interrupt disable mask for UFSHCI v2.1 */ INTERRUPT_MASK_ALL_VER_21 = 0x71FFF, }; /* * Request Descriptor Definitions */ /* Transfer request command type */ enum { UTP_CMD_TYPE_SCSI = 0x0, UTP_CMD_TYPE_UFS = 0x1, UTP_CMD_TYPE_DEV_MANAGE = 0x2, }; /* To accommodate UFS2.0 required Command type */ enum { UTP_CMD_TYPE_UFS_STORAGE = 0x1, }; enum { UTP_SCSI_COMMAND = 0x00000000, UTP_NATIVE_UFS_COMMAND = 0x10000000, UTP_DEVICE_MANAGEMENT_FUNCTION = 0x20000000, UTP_REQ_DESC_INT_CMD = 0x01000000, }; /* UTP Transfer Request Data Direction (DD) */ enum { UTP_NO_DATA_TRANSFER = 0x00000000, UTP_HOST_TO_DEVICE = 0x02000000, UTP_DEVICE_TO_HOST = 0x04000000, }; /* Overall command status values */ enum { OCS_SUCCESS = 0x0, OCS_INVALID_CMD_TABLE_ATTR = 0x1, OCS_INVALID_PRDT_ATTR = 0x2, OCS_MISMATCH_DATA_BUF_SIZE = 0x3, OCS_MISMATCH_RESP_UPIU_SIZE = 0x4, OCS_PEER_COMM_FAILURE = 0x5, OCS_ABORTED = 0x6, OCS_FATAL_ERROR = 0x7, OCS_INVALID_COMMAND_STATUS = 0x0F, MASK_OCS = 0x0F, }; /* The maximum length of the data byte count field in the PRDT is 256KB */ #define PRDT_DATA_BYTE_COUNT_MAX (256 * 1024) /* The granularity of the data byte count field in the PRDT is 32-bit */ #define PRDT_DATA_BYTE_COUNT_PAD 4 /** * struct ufshcd_sg_entry - UFSHCI PRD Entry * @base_addr: Lower 32bit physical address DW-0 * @upper_addr: Upper 32bit physical address DW-1 * @reserved: Reserved for future use DW-2 * @size: size of physical segment DW-3 */ struct ufshcd_sg_entry { __le32 base_addr; __le32 upper_addr; __le32 reserved; __le32 size; }; /** * struct utp_transfer_cmd_desc - UFS Command Descriptor structure * @command_upiu: Command UPIU Frame address * @response_upiu: Response UPIU Frame address * @prd_table: Physical Region Descriptor */ struct utp_transfer_cmd_desc { u8 command_upiu[ALIGNED_UPIU_SIZE]; u8 response_upiu[ALIGNED_UPIU_SIZE]; struct ufshcd_sg_entry prd_table[SG_ALL]; }; /** * struct request_desc_header - Descriptor Header common to both UTRD and UTMRD * @dword0: Descriptor Header DW0 * @dword1: Descriptor Header DW1 * @dword2: Descriptor Header DW2 * @dword3: Descriptor Header DW3 */ struct request_desc_header { __le32 dword_0; __le32 dword_1; __le32 dword_2; __le32 dword_3; }; /** * struct utp_transfer_req_desc - UTRD structure * @header: UTRD header DW-0 to DW-3 * @command_desc_base_addr_lo: UCD base address low DW-4 * @command_desc_base_addr_hi: UCD base address high DW-5 * @response_upiu_length: response UPIU length DW-6 * @response_upiu_offset: response UPIU offset DW-6 * @prd_table_length: Physical region descriptor length DW-7 * @prd_table_offset: Physical region descriptor offset DW-7 */ struct utp_transfer_req_desc { /* DW 0-3 */ struct request_desc_header header; /* DW 4-5*/ __le32 command_desc_base_addr_lo; __le32 command_desc_base_addr_hi; /* DW 6 */ __le16 response_upiu_length; __le16 response_upiu_offset; /* DW 7 */ __le16 prd_table_length; __le16 prd_table_offset; }; /* * UTMRD structure. */ struct utp_task_req_desc { /* DW 0-3 */ struct request_desc_header header; /* DW 4-11 - Task request UPIU structure */ struct utp_upiu_header req_header; __be32 input_param1; __be32 input_param2; __be32 input_param3; __be32 __reserved1[2]; /* DW 12-19 - Task Management Response UPIU structure */ struct utp_upiu_header rsp_header; __be32 output_param1; __be32 output_param2; __be32 __reserved2[3]; }; #endif /* End of Header */
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