litmus-rt.git - The LITMUS^RT kernel.

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/* Driver for Realtek PCI-Express card reader * * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved. * * 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, 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. * * You should have received a copy of the GNU General Public License along * with this program; if not, see <http://www.gnu.org/licenses/>. * * Author: * Wei WANG <wei_wang@realsil.com.cn> * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China */ #ifndef __RTSX_PCI_H #define __RTSX_PCI_H #include <linux/sched.h> #include <linux/pci.h> #include "rtsx_common.h" #define MAX_RW_REG_CNT 1024 /* PCI Operation Register Address */ #define RTSX_HCBAR 0x00 #define RTSX_HCBCTLR 0x04 #define RTSX_HDBAR 0x08 #define RTSX_HDBCTLR 0x0C #define RTSX_HAIMR 0x10 #define RTSX_BIPR 0x14 #define RTSX_BIER 0x18 /* Host command buffer control register */ #define STOP_CMD (0x01 << 28) /* Host data buffer control register */ #define SDMA_MODE 0x00 #define ADMA_MODE (0x02 << 26) #define STOP_DMA (0x01 << 28) #define TRIG_DMA (0x01 << 31) /* Host access internal memory register */ #define HAIMR_TRANS_START (0x01 << 31) #define HAIMR_READ 0x00 #define HAIMR_WRITE (0x01 << 30) #define HAIMR_READ_START (HAIMR_TRANS_START | HAIMR_READ) #define HAIMR_WRITE_START (HAIMR_TRANS_START | HAIMR_WRITE) #define HAIMR_TRANS_END (HAIMR_TRANS_START) /* Bus interrupt pending register */ #define CMD_DONE_INT (1 << 31) #define DATA_DONE_INT (1 << 30) #define TRANS_OK_INT (1 << 29) #define TRANS_FAIL_INT (1 << 28) #define XD_INT (1 << 27) #define MS_INT (1 << 26) #define SD_INT (1 << 25) #define GPIO0_INT (1 << 24) #define OC_INT (1 << 23) #define SD_WRITE_PROTECT (1 << 19) #define XD_EXIST (1 << 18) #define MS_EXIST (1 << 17) #define SD_EXIST (1 << 16) #define DELINK_INT GPIO0_INT #define MS_OC_INT (1 << 23) #define SD_OC_INT (1 << 22) #define CARD_INT (XD_INT | MS_INT | SD_INT) #define NEED_COMPLETE_INT (DATA_DONE_INT | TRANS_OK_INT | TRANS_FAIL_INT) #define RTSX_INT (CMD_DONE_INT | NEED_COMPLETE_INT | \ CARD_INT | GPIO0_INT | OC_INT) #define CARD_EXIST (XD_EXIST | MS_EXIST | SD_EXIST) /* Bus interrupt enable register */ #define CMD_DONE_INT_EN (1 << 31) #define DATA_DONE_INT_EN (1 << 30) #define TRANS_OK_INT_EN (1 << 29) #define TRANS_FAIL_INT_EN (1 << 28) #define XD_INT_EN (1 << 27) #define MS_INT_EN (1 << 26) #define SD_INT_EN (1 << 25) #define GPIO0_INT_EN (1 << 24) #define OC_INT_EN (1 << 23) #define DELINK_INT_EN GPIO0_INT_EN #define MS_OC_INT_EN (1 << 23) #define SD_OC_INT_EN (1 << 22) #define READ_REG_CMD 0 #define WRITE_REG_CMD 1 #define CHECK_REG_CMD 2 /* * macros for easy use */ #define rtsx_pci_writel(pcr, reg, value) \ iowrite32(value, (pcr)->remap_addr + reg) #define rtsx_pci_readl(pcr, reg) \ ioread32((pcr)->remap_addr + reg) #define rtsx_pci_writew(pcr, reg, value) \ iowrite16(value, (pcr)->remap_addr + reg) #define rtsx_pci_readw(pcr, reg) \ ioread16((pcr)->remap_addr + reg) #define rtsx_pci_writeb(pcr, reg, value) \ iowrite8(value, (pcr)->remap_addr + reg) #define rtsx_pci_readb(pcr, reg) \ ioread8((pcr)->remap_addr + reg) #define rtsx_pci_read_config_byte(pcr, where, val) \ pci_read_config_byte((pcr)->pci, where, val) #define rtsx_pci_write_config_byte(pcr, where, val) \ pci_write_config_byte((pcr)->pci, where, val) #define rtsx_pci_read_config_dword(pcr, where, val) \ pci_read_config_dword((pcr)->pci, where, val) #define rtsx_pci_write_config_dword(pcr, where, val) \ pci_write_config_dword((pcr)->pci, where, val) #define STATE_TRANS_NONE 0 #define STATE_TRANS_CMD 1 #define STATE_TRANS_BUF 2 #define STATE_TRANS_SG 3 #define TRANS_NOT_READY 0 #define TRANS_RESULT_OK 1 #define TRANS_RESULT_FAIL 2 #define TRANS_NO_DEVICE 3 #define RTSX_RESV_BUF_LEN 4096 #define HOST_CMDS_BUF_LEN 1024 #define HOST_SG_TBL_BUF_LEN (RTSX_RESV_BUF_LEN - HOST_CMDS_BUF_LEN) #define HOST_SG_TBL_ITEMS (HOST_SG_TBL_BUF_LEN / 8) #define MAX_SG_ITEM_LEN 0x80000 #define HOST_TO_DEVICE 0 #define DEVICE_TO_HOST 1 #define MAX_PHASE 31 #define RX_TUNING_CNT 3 /* SG descriptor */ #define SG_INT 0x04 #define SG_END 0x02 #define SG_VALID 0x01 #define SG_NO_OP 0x00 #define SG_TRANS_DATA (0x02 << 4) #define SG_LINK_DESC (0x03 << 4) /* Output voltage */ #define OUTPUT_3V3 0 #define OUTPUT_1V8 1 /* Card Clock Enable Register */ #define SD_CLK_EN 0x04 #define MS_CLK_EN 0x08 /* Card Select Register */ #define SD_MOD_SEL 2 #define MS_MOD_SEL 3 /* Card Output Enable Register */ #define SD_OUTPUT_EN 0x04 #define MS_OUTPUT_EN 0x08 /* CARD_SHARE_MODE */ #define CARD_SHARE_MASK 0x0F #define CARD_SHARE_MULTI_LUN 0x00 #define CARD_SHARE_NORMAL 0x00 #define CARD_SHARE_48_SD 0x04 #define CARD_SHARE_48_MS 0x08 /* CARD_SHARE_MODE for barossa */ #define CARD_SHARE_BAROSSA_SD 0x01 #define CARD_SHARE_BAROSSA_MS 0x02 /* SD30_DRIVE_SEL */ #define DRIVER_TYPE_A 0x05 #define DRIVER_TYPE_B 0x03 #define DRIVER_TYPE_C 0x02 #define DRIVER_TYPE_D 0x01 /* FPDCTL */ #define SSC_POWER_DOWN 0x01 #define SD_OC_POWER_DOWN 0x02 #define ALL_POWER_DOWN 0x07 #define OC_POWER_DOWN 0x06 /* CLK_CTL */ #define CHANGE_CLK 0x01 /* LDO_CTL */ #define BPP_ASIC_1V7 0x00 #define BPP_ASIC_1V8 0x01 #define BPP_ASIC_1V9 0x02 #define BPP_ASIC_2V0 0x03 #define BPP_ASIC_2V7 0x04 #define BPP_ASIC_2V8 0x05 #define BPP_ASIC_3V2 0x06 #define BPP_ASIC_3V3 0x07 #define BPP_REG_TUNED18 0x07 #define BPP_TUNED18_SHIFT_8402 5 #define BPP_TUNED18_SHIFT_8411 4 #define BPP_PAD_MASK 0x04 #define BPP_PAD_3V3 0x04 #define BPP_PAD_1V8 0x00 #define BPP_LDO_POWB 0x03 #define BPP_LDO_ON 0x00 #define BPP_LDO_SUSPEND 0x02 #define BPP_LDO_OFF 0x03 /* CD_PAD_CTL */ #define CD_DISABLE_MASK 0x07 #define MS_CD_DISABLE 0x04 #define SD_CD_DISABLE 0x02 #define XD_CD_DISABLE 0x01 #define CD_DISABLE 0x07 #define CD_ENABLE 0x00 #define MS_CD_EN_ONLY 0x03 #define SD_CD_EN_ONLY 0x05 #define XD_CD_EN_ONLY 0x06 #define FORCE_CD_LOW_MASK 0x38 #define FORCE_CD_XD_LOW 0x08 #define FORCE_CD_SD_LOW 0x10 #define FORCE_CD_MS_LOW 0x20 #define CD_AUTO_DISABLE 0x40 /* SD_STAT1 */ #define SD_CRC7_ERR 0x80 #define SD_CRC16_ERR 0x40 #define SD_CRC_WRITE_ERR 0x20 #define SD_CRC_WRITE_ERR_MASK 0x1C #define GET_CRC_TIME_OUT 0x02 #define SD_TUNING_COMPARE_ERR 0x01 /* SD_STAT2 */ #define SD_RSP_80CLK_TIMEOUT 0x01 /* SD_BUS_STAT */ #define SD_CLK_TOGGLE_EN 0x80 #define SD_CLK_FORCE_STOP 0x40 #define SD_DAT3_STATUS 0x10 #define SD_DAT2_STATUS 0x08 #define SD_DAT1_STATUS 0x04 #define SD_DAT0_STATUS 0x02 #define SD_CMD_STATUS 0x01 /* SD_PAD_CTL */ #define SD_IO_USING_1V8 0x80 #define SD_IO_USING_3V3 0x7F #define TYPE_A_DRIVING 0x00 #define TYPE_B_DRIVING 0x01 #define TYPE_C_DRIVING 0x02 #define TYPE_D_DRIVING 0x03 /* SD_SAMPLE_POINT_CTL */ #define DDR_FIX_RX_DAT 0x00 #define DDR_VAR_RX_DAT 0x80 #define DDR_FIX_RX_DAT_EDGE 0x00 #define DDR_FIX_RX_DAT_14_DELAY 0x40 #define DDR_FIX_RX_CMD 0x00 #define DDR_VAR_RX_CMD 0x20 #define DDR_FIX_RX_CMD_POS_EDGE 0x00 #define DDR_FIX_RX_CMD_14_DELAY 0x10 #define SD20_RX_POS_EDGE 0x00 #define SD20_RX_14_DELAY 0x08 #define SD20_RX_SEL_MASK 0x08 /* SD_PUSH_POINT_CTL */ #define DDR_FIX_TX_CMD_DAT 0x00 #define DDR_VAR_TX_CMD_DAT 0x80 #define DDR_FIX_TX_DAT_14_TSU 0x00 #define DDR_FIX_TX_DAT_12_TSU 0x40 #define DDR_FIX_TX_CMD_NEG_EDGE 0x00 #define DDR_FIX_TX_CMD_14_AHEAD 0x20 #define SD20_TX_NEG_EDGE 0x00 #define SD20_TX_14_AHEAD 0x10 #define SD20_TX_SEL_MASK 0x10 #define DDR_VAR_SDCLK_POL_SWAP 0x01 /* SD_TRANSFER */ #define SD_TRANSFER_START 0x80 #define SD_TRANSFER_END 0x40 #define SD_STAT_IDLE 0x20 #define SD_TRANSFER_ERR 0x10 /* SD Transfer Mode definition */ #define SD_TM_NORMAL_WRITE 0x00 #define SD_TM_AUTO_WRITE_3 0x01 #define SD_TM_AUTO_WRITE_4 0x02 #define SD_TM_AUTO_READ_3 0x05 #define SD_TM_AUTO_READ_4 0x06 #define SD_TM_CMD_RSP 0x08 #define SD_TM_AUTO_WRITE_1 0x09 #define SD_TM_AUTO_WRITE_2 0x0A #define SD_TM_NORMAL_READ 0x0C #define SD_TM_AUTO_READ_1 0x0D #define SD_TM_AUTO_READ_2 0x0E #define SD_TM_AUTO_TUNING 0x0F /* SD_VPTX_CTL / SD_VPRX_CTL */ #define PHASE_CHANGE 0x80 #define PHASE_NOT_RESET 0x40 /* SD_DCMPS_TX_CTL / SD_DCMPS_RX_CTL */ #define DCMPS_CHANGE 0x80 #define DCMPS_CHANGE_DONE 0x40 #define DCMPS_ERROR 0x20 #define DCMPS_CURRENT_PHASE 0x1F /* SD Configure 1 Register */ #define SD_CLK_DIVIDE_0 0x00 #define SD_CLK_DIVIDE_256 0xC0 #define SD_CLK_DIVIDE_128 0x80 #define SD_BUS_WIDTH_1BIT 0x00 #define SD_BUS_WIDTH_4BIT 0x01 #define SD_BUS_WIDTH_8BIT 0x02 #define SD_ASYNC_FIFO_NOT_RST 0x10 #define SD_20_MODE 0x00 #define SD_DDR_MODE 0x04 #define SD_30_MODE 0x08 #define SD_CLK_DIVIDE_MASK 0xC0 /* SD_CMD_STATE */ #define SD_CMD_IDLE 0x80 /* SD_DATA_STATE */ #define SD_DATA_IDLE 0x80 /* DCM_DRP_CTL */ #define DCM_RESET 0x08 #define DCM_LOCKED 0x04 #define DCM_208M 0x00 #define DCM_TX 0x01 #define DCM_RX 0x02 /* DCM_DRP_TRIG */ #define DRP_START 0x80 #define DRP_DONE 0x40 /* DCM_DRP_CFG */ #define DRP_WRITE 0x80 #define DRP_READ 0x00 #define DCM_WRITE_ADDRESS_50 0x50 #define DCM_WRITE_ADDRESS_51 0x51 #define DCM_READ_ADDRESS_00 0x00 #define DCM_READ_ADDRESS_51 0x51 /* IRQSTAT0 */ #define DMA_DONE_INT 0x80 #define SUSPEND_INT 0x40 #define LINK_RDY_INT 0x20 #define LINK_DOWN_INT 0x10 /* DMACTL */ #define DMA_RST 0x80 #define DMA_BUSY 0x04 #define DMA_DIR_TO_CARD 0x00 #define DMA_DIR_FROM_CARD 0x02 #define DMA_EN 0x01 #define DMA_128 (0 << 4) #define DMA_256 (1 << 4) #define DMA_512 (2 << 4) #define DMA_1024 (3 << 4) #define DMA_PACK_SIZE_MASK 0x30 /* SSC_CTL1 */ #define SSC_RSTB 0x80 #define SSC_8X_EN 0x40 #define SSC_FIX_FRAC 0x20 #define SSC_SEL_1M 0x00 #define SSC_SEL_2M 0x08 #define SSC_SEL_4M 0x10 #define SSC_SEL_8M 0x18 /* SSC_CTL2 */ #define SSC_DEPTH_MASK 0x07 #define SSC_DEPTH_DISALBE 0x00 #define SSC_DEPTH_4M 0x01 #define SSC_DEPTH_2M 0x02 #define SSC_DEPTH_1M 0x03 #define SSC_DEPTH_500K 0x04 #define SSC_DEPTH_250K 0x05 /* System Clock Control Register */ #define CLK_LOW_FREQ 0x01 /* System Clock Divider Register */ #define CLK_DIV_1 0x01 #define CLK_DIV_2 0x02 #define CLK_DIV_4 0x03 #define CLK_DIV_8 0x04 /* MS_CFG */ #define SAMPLE_TIME_RISING 0x00 #define SAMPLE_TIME_FALLING 0x80 #define PUSH_TIME_DEFAULT 0x00 #define PUSH_TIME_ODD 0x40 #define NO_EXTEND_TOGGLE 0x00 #define EXTEND_TOGGLE_CHK 0x20 #define MS_BUS_WIDTH_1 0x00 #define MS_BUS_WIDTH_4 0x10 #define MS_BUS_WIDTH_8 0x18 #define MS_2K_SECTOR_MODE 0x04 #define MS_512_SECTOR_MODE 0x00 #define MS_TOGGLE_TIMEOUT_EN 0x00 #define MS_TOGGLE_TIMEOUT_DISEN 0x01 #define MS_NO_CHECK_INT 0x02 /* MS_TRANS_CFG */ #define WAIT_INT 0x80 #define NO_WAIT_INT 0x00 #define NO_AUTO_READ_INT_REG 0x00 #define AUTO_READ_INT_REG 0x40 #define MS_CRC16_ERR 0x20 #define MS_RDY_TIMEOUT 0x10 #define MS_INT_CMDNK 0x08 #define MS_INT_BREQ 0x04 #define MS_INT_ERR 0x02 #define MS_INT_CED 0x01 /* MS_TRANSFER */ #define MS_TRANSFER_START 0x80 #define MS_TRANSFER_END 0x40 #define MS_TRANSFER_ERR 0x20 #define MS_BS_STATE 0x10 #define MS_TM_READ_BYTES 0x00 #define MS_TM_NORMAL_READ 0x01 #define MS_TM_WRITE_BYTES 0x04 #define MS_TM_NORMAL_WRITE 0x05 #define MS_TM_AUTO_READ 0x08 #define MS_TM_AUTO_WRITE 0x0C /* SD Configure 2 Register */ #define SD_CALCULATE_CRC7 0x00 #define SD_NO_CALCULATE_CRC7 0x80 #define SD_CHECK_CRC16 0x00 #define SD_NO_CHECK_CRC16 0x40 #define SD_NO_CHECK_WAIT_CRC_TO 0x20 #define SD_WAIT_BUSY_END 0x08 #define SD_NO_WAIT_BUSY_END 0x00 #define SD_CHECK_CRC7 0x00 #define SD_NO_CHECK_CRC7 0x04 #define SD_RSP_LEN_0 0x00 #define SD_RSP_LEN_6 0x01 #define SD_RSP_LEN_17 0x02 /* SD/MMC Response Type Definition */ #define SD_RSP_TYPE_R0 0x04 #define SD_RSP_TYPE_R1 0x01 #define SD_RSP_TYPE_R1b 0x09 #define SD_RSP_TYPE_R2 0x02 #define SD_RSP_TYPE_R3 0x05 #define SD_RSP_TYPE_R4 0x05 #define SD_RSP_TYPE_R5 0x01 #define SD_RSP_TYPE_R6 0x01 #define SD_RSP_TYPE_R7 0x01 /* SD_CONFIGURE3 */ #define SD_RSP_80CLK_TIMEOUT_EN 0x01 /* Card Transfer Reset Register */ #define SPI_STOP 0x01 #define XD_STOP 0x02 #define SD_STOP 0x04 #define MS_STOP 0x08 #define SPI_CLR_ERR 0x10 #define XD_CLR_ERR 0x20 #define SD_CLR_ERR 0x40 #define MS_CLR_ERR 0x80 /* Card Data Source Register */ #define PINGPONG_BUFFER 0x01 #define RING_BUFFER 0x00 /* Card Power Control Register */ #define PMOS_STRG_MASK 0x10 #define PMOS_STRG_800mA 0x10 #define PMOS_STRG_400mA 0x00 #define SD_POWER_OFF 0x03 #define SD_PARTIAL_POWER_ON 0x01 #define SD_POWER_ON 0x00 #define SD_POWER_MASK 0x03 #define MS_POWER_OFF 0x0C #define MS_PARTIAL_POWER_ON 0x04 #define MS_POWER_ON 0x00 #define MS_POWER_MASK 0x0C #define BPP_POWER_OFF 0x0F #define BPP_POWER_5_PERCENT_ON 0x0E #define BPP_POWER_10_PERCENT_ON 0x0C #define BPP_POWER_15_PERCENT_ON 0x08 #define BPP_POWER_ON 0x00 #define BPP_POWER_MASK 0x0F #define SD_VCC_PARTIAL_POWER_ON 0x02 #define SD_VCC_POWER_ON 0x00 /* PWR_GATE_CTRL */ #define PWR_GATE_EN 0x01 #define LDO3318_PWR_MASK 0x06 #define LDO_ON 0x00


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