377 строки
11 KiB
C
377 строки
11 KiB
C
/*
|
|
* Universal Flash Storage Host controller driver
|
|
*
|
|
* This code is based on drivers/scsi/ufs/ufshci.h
|
|
* Copyright (C) 2011-2012 Samsung India Software Operations
|
|
*
|
|
* 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.
|
|
*
|
|
* 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.
|
|
*
|
|
* NO WARRANTY
|
|
* THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
|
|
* CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
|
|
* LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
|
|
* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
|
|
* solely responsible for determining the appropriateness of using and
|
|
* distributing the Program and assumes all risks associated with its
|
|
* exercise of rights under this Agreement, including but not limited to
|
|
* the risks and costs of program errors, damage to or loss of data,
|
|
* programs or equipment, and unavailability or interruption of operations.
|
|
|
|
* DISCLAIMER OF LIABILITY
|
|
* NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
|
|
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), 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 OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
|
|
* HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
|
|
|
|
* 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 Street, Fifth Floor, Boston, MA 02110-1301,
|
|
* USA.
|
|
*/
|
|
|
|
#ifndef _UFSHCI_H
|
|
#define _UFSHCI_H
|
|
|
|
enum {
|
|
TASK_REQ_UPIU_SIZE_DWORDS = 8,
|
|
TASK_RSP_UPIU_SIZE_DWORDS = 8,
|
|
ALIGNED_UPIU_SIZE = 128,
|
|
};
|
|
|
|
/* UFSHCI Registers */
|
|
enum {
|
|
REG_CONTROLLER_CAPABILITIES = 0x00,
|
|
REG_UFS_VERSION = 0x08,
|
|
REG_CONTROLLER_DEV_ID = 0x10,
|
|
REG_CONTROLLER_PROD_ID = 0x14,
|
|
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,
|
|
};
|
|
|
|
/* Controller capability masks */
|
|
enum {
|
|
MASK_TRANSFER_REQUESTS_SLOTS = 0x0000001F,
|
|
MASK_TASK_MANAGEMENT_REQUEST_SLOTS = 0x00070000,
|
|
MASK_64_ADDRESSING_SUPPORT = 0x01000000,
|
|
MASK_OUT_OF_ORDER_DATA_DELIVERY_SUPPORT = 0x02000000,
|
|
MASK_UIC_DME_TEST_MODE_SUPPORT = 0x04000000,
|
|
};
|
|
|
|
/* 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,
|
|
UFSHCI_VERSION_11 = 0x00010100,
|
|
};
|
|
|
|
/*
|
|
* 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)
|
|
|
|
#define UFS_BIT(x) (1L << (x))
|
|
|
|
#define UTP_TRANSFER_REQ_COMPL UFS_BIT(0)
|
|
#define UIC_DME_END_PT_RESET UFS_BIT(1)
|
|
#define UIC_ERROR UFS_BIT(2)
|
|
#define UIC_TEST_MODE UFS_BIT(3)
|
|
#define UIC_POWER_MODE UFS_BIT(4)
|
|
#define UIC_HIBERNATE_EXIT UFS_BIT(5)
|
|
#define UIC_HIBERNATE_ENTER UFS_BIT(6)
|
|
#define UIC_LINK_LOST UFS_BIT(7)
|
|
#define UIC_LINK_STARTUP UFS_BIT(8)
|
|
#define UTP_TASK_REQ_COMPL UFS_BIT(9)
|
|
#define UIC_COMMAND_COMPL UFS_BIT(10)
|
|
#define DEVICE_FATAL_ERROR UFS_BIT(11)
|
|
#define CONTROLLER_FATAL_ERROR UFS_BIT(16)
|
|
#define SYSTEM_BUS_FATAL_ERROR UFS_BIT(17)
|
|
|
|
#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 UFS_BIT(0)
|
|
#define UTP_TRANSFER_REQ_LIST_READY UFS_BIT(1)
|
|
#define UTP_TASK_REQ_LIST_READY UFS_BIT(2)
|
|
#define UIC_COMMAND_READY UFS_BIT(3)
|
|
#define HOST_ERROR_INDICATOR UFS_BIT(4)
|
|
#define DEVICE_ERROR_INDICATOR UFS_BIT(5)
|
|
#define UIC_POWER_MODE_CHANGE_REQ_STATUS_MASK UFS_MASK(0x7, 8)
|
|
|
|
/* HCE - Host Controller Enable 34h */
|
|
#define CONTROLLER_ENABLE UFS_BIT(0)
|
|
#define CONTROLLER_DISABLE 0x0
|
|
|
|
/* UECPA - Host UIC Error Code PHY Adapter Layer 38h */
|
|
#define UIC_PHY_ADAPTER_LAYER_ERROR UFS_BIT(31)
|
|
#define UIC_PHY_ADAPTER_LAYER_ERROR_CODE_MASK 0x1F
|
|
|
|
/* UECDL - Host UIC Error Code Data Link Layer 3Ch */
|
|
#define UIC_DATA_LINK_LAYER_ERROR UFS_BIT(31)
|
|
#define UIC_DATA_LINK_LAYER_ERROR_CODE_MASK 0x7FFF
|
|
#define UIC_DATA_LINK_LAYER_ERROR_PA_INIT 0x2000
|
|
|
|
/* UECN - Host UIC Error Code Network Layer 40h */
|
|
#define UIC_NETWORK_LAYER_ERROR UFS_BIT(31)
|
|
#define UIC_NETWORK_LAYER_ERROR_CODE_MASK 0x7
|
|
|
|
/* UECT - Host UIC Error Code Transport Layer 44h */
|
|
#define UIC_TRANSPORT_LAYER_ERROR UFS_BIT(31)
|
|
#define UIC_TRANSPORT_LAYER_ERROR_CODE_MASK 0x7F
|
|
|
|
/* UECDME - Host UIC Error Code DME 48h */
|
|
#define UIC_DME_ERROR UFS_BIT(31)
|
|
#define UIC_DME_ERROR_CODE_MASK 0x1
|
|
|
|
#define INT_AGGR_TIMEOUT_VAL_MASK 0xFF
|
|
#define INT_AGGR_COUNTER_THRESHOLD_MASK UFS_MASK(0x1F, 8)
|
|
#define INT_AGGR_COUNTER_AND_TIMER_RESET UFS_BIT(16)
|
|
#define INT_AGGR_STATUS_BIT UFS_BIT(20)
|
|
#define INT_AGGR_PARAM_WRITE UFS_BIT(24)
|
|
#define INT_AGGR_ENABLE UFS_BIT(31)
|
|
|
|
/* UTRLRSR - UTP Transfer Request Run-Stop Register 60h */
|
|
#define UTP_TRANSFER_REQ_LIST_RUN_STOP_BIT UFS_BIT(0)
|
|
|
|
/* UTMRLRSR - UTP Task Management Request Run-Stop Register 80h */
|
|
#define UTP_TASK_REQ_LIST_RUN_STOP_BIT UFS_BIT(0)
|
|
|
|
/* 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
|
|
|
|
/* UIC Commands */
|
|
enum {
|
|
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_THRESHOLD_VALUE (0x1F << 8)
|
|
#define INT_AGGR_TIMEOUT_VALUE (0x02)
|
|
|
|
/* Interrupt disable masks */
|
|
enum {
|
|
/* Interrupt disable mask for UFSHCI v1.0 */
|
|
INTERRUPT_DISABLE_MASK_10 = 0xFFFF,
|
|
|
|
/* Interrupt disable mask for UFSHCI v1.1 */
|
|
INTERRUPT_DISABLE_MASK_11 = 0x0,
|
|
};
|
|
|
|
/*
|
|
* Request Descriptor Definitions
|
|
*/
|
|
|
|
/* Transfer request command type */
|
|
enum {
|
|
UTP_CMD_TYPE_SCSI = 0x0,
|
|
UTP_CMD_TYPE_UFS = 0x1,
|
|
UTP_CMD_TYPE_DEV_MANAGE = 0x2,
|
|
};
|
|
|
|
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,
|
|
};
|
|
|
|
/**
|
|
* 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 {
|
|
u32 base_addr;
|
|
u32 upper_addr;
|
|
u32 reserved;
|
|
u32 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 {
|
|
u32 dword_0;
|
|
u32 dword_1;
|
|
u32 dword_2;
|
|
u32 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*/
|
|
u32 command_desc_base_addr_lo;
|
|
u32 command_desc_base_addr_hi;
|
|
|
|
/* DW 6 */
|
|
u16 response_upiu_length;
|
|
u16 response_upiu_offset;
|
|
|
|
/* DW 7 */
|
|
u16 prd_table_length;
|
|
u16 prd_table_offset;
|
|
};
|
|
|
|
/**
|
|
* struct utp_task_req_desc - UTMRD structure
|
|
* @header: UTMRD header DW-0 to DW-3
|
|
* @task_req_upiu: Pointer to task request UPIU DW-4 to DW-11
|
|
* @task_rsp_upiu: Pointer to task response UPIU DW12 to DW-19
|
|
*/
|
|
struct utp_task_req_desc {
|
|
|
|
/* DW 0-3 */
|
|
struct request_desc_header header;
|
|
|
|
/* DW 4-11 */
|
|
u32 task_req_upiu[TASK_REQ_UPIU_SIZE_DWORDS];
|
|
|
|
/* DW 12-19 */
|
|
u32 task_rsp_upiu[TASK_RSP_UPIU_SIZE_DWORDS];
|
|
};
|
|
|
|
#endif /* End of Header */
|