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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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#ifndef __RTSX_USB_H#define __RTSX_USB_H
#include <linux/usb.h>
#define DRV_NAME_RTSX_USB "rtsx_usb"#define DRV_NAME_RTSX_USB_SDMMC "rtsx_usb_sdmmc"#define DRV_NAME_RTSX_USB_MS "rtsx_usb_ms"
/* related module names */#define RTSX_USB_SD_CARD 0#define RTSX_USB_MS_CARD 1
/* endpoint numbers */#define EP_BULK_OUT 1#define EP_BULK_IN 2#define EP_INTR_IN 3
/* USB vendor requests */#define RTSX_USB_REQ_REG_OP 0x00#define RTSX_USB_REQ_POLL 0x02
/* miscellaneous parameters */#define MIN_DIV_N 60#define MAX_DIV_N 120
#define MAX_PHASE 15#define RX_TUNING_CNT 3
#define QFN24 0#define LQFP48 1#define CHECK_PKG(ucr, pkg) ((ucr)->package == (pkg))
/* data structures */struct rtsx_ucr { u16 vendor_id; u16 product_id;
int package; u8 ic_version; bool is_rts5179;
unsigned int cur_clk;
u8 *cmd_buf; unsigned int cmd_idx; u8 *rsp_buf;
struct usb_device *pusb_dev; struct usb_interface *pusb_intf; struct usb_sg_request current_sg;
struct timer_list sg_timer; struct mutex dev_mutex;};
/* buffer size */#define IOBUF_SIZE 1024
/* prototypes of exported functions */extern int rtsx_usb_get_card_status(struct rtsx_ucr *ucr, u16 *status);
extern int rtsx_usb_read_register(struct rtsx_ucr *ucr, u16 addr, u8 *data);extern int rtsx_usb_write_register(struct rtsx_ucr *ucr, u16 addr, u8 mask, u8 data);
extern int rtsx_usb_ep0_write_register(struct rtsx_ucr *ucr, u16 addr, u8 mask, u8 data);extern int rtsx_usb_ep0_read_register(struct rtsx_ucr *ucr, u16 addr, u8 *data);
extern void rtsx_usb_add_cmd(struct rtsx_ucr *ucr, u8 cmd_type, u16 reg_addr, u8 mask, u8 data);extern int rtsx_usb_send_cmd(struct rtsx_ucr *ucr, u8 flag, int timeout);extern int rtsx_usb_get_rsp(struct rtsx_ucr *ucr, int rsp_len, int timeout);extern int rtsx_usb_transfer_data(struct rtsx_ucr *ucr, unsigned int pipe, void *buf, unsigned int len, int use_sg, unsigned int *act_len, int timeout);
extern int rtsx_usb_read_ppbuf(struct rtsx_ucr *ucr, u8 *buf, int buf_len);extern int rtsx_usb_write_ppbuf(struct rtsx_ucr *ucr, u8 *buf, int buf_len);extern int rtsx_usb_switch_clock(struct rtsx_ucr *ucr, unsigned int card_clock, u8 ssc_depth, bool initial_mode, bool double_clk, bool vpclk);extern int rtsx_usb_card_exclusive_check(struct rtsx_ucr *ucr, int card);
/* card status */#define SD_CD 0x01#define MS_CD 0x02#define XD_CD 0x04#define CD_MASK (SD_CD | MS_CD | XD_CD)#define SD_WP 0x08
/* OCPCTL */#define MS_OCP_DETECT_EN 0x08#define MS_OCP_INT_EN 0x04#define MS_OCP_INT_CLR 0x02#define MS_OCP_CLEAR 0x01
/* OCPSTAT */#define MS_OCP_DETECT 0x80#define MS_OCP_NOW 0x02#define MS_OCP_EVER 0x01
/* reader command field offset & parameters */#define READ_REG_CMD 0#define WRITE_REG_CMD 1#define CHECK_REG_CMD 2
#define PACKET_TYPE 4#define CNT_H 5#define CNT_L 6#define STAGE_FLAG 7#define CMD_OFFSET 8#define SEQ_WRITE_DATA_OFFSET 12
#define BATCH_CMD 0#define SEQ_READ 1#define SEQ_WRITE 2
#define STAGE_R 0x01#define STAGE_DI 0x02#define STAGE_DO 0x04#define STAGE_MS_STATUS 0x08#define STAGE_XD_STATUS 0x10#define MODE_C 0x00#define MODE_CR (STAGE_R)#define MODE_CDIR (STAGE_R | STAGE_DI)#define MODE_CDOR (STAGE_R | STAGE_DO)
#define EP0_OP_SHIFT 14#define EP0_READ_REG_CMD 2#define EP0_WRITE_REG_CMD 3
#define rtsx_usb_cmd_hdr_tag(ucr) \ do { \ ucr->cmd_buf[0] = 'R'; \ ucr->cmd_buf[1] = 'T'; \ ucr->cmd_buf[2] = 'C'; \ ucr->cmd_buf[3] = 'R'; \ } while (0)
static inline void rtsx_usb_init_cmd(struct rtsx_ucr *ucr){ rtsx_usb_cmd_hdr_tag(ucr); ucr->cmd_idx = 0; ucr->cmd_buf[PACKET_TYPE] = BATCH_CMD;}
/* internal register address */#define FPDCTL 0xFC00#define SSC_DIV_N_0 0xFC07#define SSC_CTL1 0xFC09#define SSC_CTL2 0xFC0A#define CFG_MODE 0xFC0E#define CFG_MODE_1 0xFC0F#define RCCTL 0xFC14#define SOF_WDOG 0xFC28#define SYS_DUMMY0 0xFC30
#define MS_BLKEND 0xFD30#define MS_READ_START 0xFD31#define MS_READ_COUNT 0xFD32#define MS_WRITE_START 0xFD33#define MS_WRITE_COUNT 0xFD34#define MS_COMMAND 0xFD35#define MS_OLD_BLOCK_0 0xFD36#define MS_OLD_BLOCK_1 0xFD37#define MS_NEW_BLOCK_0 0xFD38#define MS_NEW_BLOCK_1 0xFD39#define MS_LOG_BLOCK_0 0xFD3A#define MS_LOG_BLOCK_1 0xFD3B#define MS_BUS_WIDTH 0xFD3C#define MS_PAGE_START 0xFD3D#define MS_PAGE_LENGTH 0xFD3E#define MS_CFG 0xFD40#define MS_TPC 0xFD41#define MS_TRANS_CFG 0xFD42#define MS_TRANSFER 0xFD43#define MS_INT_REG 0xFD44#define MS_BYTE_CNT 0xFD45#define MS_SECTOR_CNT_L 0xFD46#define MS_SECTOR_CNT_H 0xFD47#define MS_DBUS_H 0xFD48
#define CARD_DMA1_CTL 0xFD5C#define CARD_PULL_CTL1 0xFD60#define CARD_PULL_CTL2 0xFD61#define CARD_PULL_CTL3 0xFD62#define CARD_PULL_CTL4 0xFD63#define CARD_PULL_CTL5 0xFD64#define CARD_PULL_CTL6 0xFD65#define CARD_EXIST 0xFD6F#define CARD_INT_PEND 0xFD71
#define LDO_POWER_CFG 0xFD7B
#define SD_CFG1 0xFDA0#define SD_CFG2 0xFDA1#define SD_CFG3 0xFDA2#define SD_STAT1 0xFDA3#define SD_STAT2 0xFDA4#define SD_BUS_STAT 0xFDA5#define SD_PAD_CTL 0xFDA6#define SD_SAMPLE_POINT_CTL 0xFDA7#define SD_PUSH_POINT_CTL 0xFDA8#define SD_CMD0 0xFDA9#define SD_CMD1 0xFDAA#define SD_CMD2 0xFDAB#define SD_CMD3 0xFDAC#define SD_CMD4 0xFDAD#define SD_CMD5 0xFDAE#define SD_BYTE_CNT_L 0xFDAF#define SD_BYTE_CNT_H 0xFDB0#define SD_BLOCK_CNT_L 0xFDB1#define SD_BLOCK_CNT_H 0xFDB2#define SD_TRANSFER 0xFDB3#define SD_CMD_STATE 0xFDB5#define SD_DATA_STATE 0xFDB6#define SD_VPCLK0_CTL 0xFC2A#define SD_VPCLK1_CTL 0xFC2B#define SD_DCMPS0_CTL 0xFC2C#define SD_DCMPS1_CTL 0xFC2D
#define CARD_DMA1_CTL 0xFD5C
#define HW_VERSION 0xFC01
#define SSC_CLK_FPGA_SEL 0xFC02#define CLK_DIV 0xFC03#define SFSM_ED 0xFC04
#define CD_DEGLITCH_WIDTH 0xFC20#define CD_DEGLITCH_EN 0xFC21#define AUTO_DELINK_EN 0xFC23
#define FPGA_PULL_CTL 0xFC1D#define CARD_CLK_SOURCE 0xFC2E
#define CARD_SHARE_MODE 0xFD51#define CARD_DRIVE_SEL 0xFD52#define CARD_STOP 0xFD53#define CARD_OE 0xFD54#define CARD_AUTO_BLINK 0xFD55#define CARD_GPIO 0xFD56#define SD30_DRIVE_SEL 0xFD57
#define CARD_DATA_SOURCE 0xFD5D#define CARD_SELECT 0xFD5E
#define CARD_CLK_EN 0xFD79#define CARD_PWR_CTL 0xFD7A
#define OCPCTL 0xFD80#define OCPPARA1 0xFD81#define OCPPARA2 0xFD82#define OCPSTAT 0xFD83
#define HS_USB_STAT 0xFE01#define HS_VCONTROL 0xFE26#define HS_VSTAIN 0xFE27#define HS_VLOADM 0xFE28#define HS_VSTAOUT 0xFE29
#define MC_IRQ 0xFF00#define MC_IRQEN 0xFF01#define MC_FIFO_CTL 0xFF02#define MC_FIFO_BC0 0xFF03#define MC_FIFO_BC1 0xFF04#define MC_FIFO_STAT 0xFF05#define MC_FIFO_MODE 0xFF06#define MC_FIFO_RD_PTR0 0xFF07#define MC_FIFO_RD_PTR1 0xFF08#define MC_DMA_CTL 0xFF10#define MC_DMA_TC0 0xFF11#define MC_DMA_TC1 0xFF12#define MC_DMA_TC2 0xFF13#define MC_DMA_TC3 0xFF14#define MC_DMA_RST 0xFF15
#define RBUF_SIZE_MASK 0xFBFF#define RBUF_BASE 0xF000#define PPBUF_BASE1 0xF800#define PPBUF_BASE2 0xFA00
/* internal register value macros */#define POWER_OFF 0x03#define PARTIAL_POWER_ON 0x02#define POWER_ON 0x00#define POWER_MASK 0x03#define LDO3318_PWR_MASK 0x0C#define LDO_ON 0x00#define LDO_SUSPEND 0x08#define LDO_OFF 0x0C#define DV3318_AUTO_PWR_OFF 0x10#define FORCE_LDO_POWERB 0x60
/* LDO_POWER_CFG */#define TUNE_SD18_MASK 0x1C#define TUNE_SD18_1V7 0x00#define TUNE_SD18_1V8 (0x01 << 2)#define TUNE_SD18_1V9 (0x02 << 2)#define TUNE_SD18_2V0 (0x03 << 2)#define TUNE_SD18_2V7 (0x04 << 2)#define TUNE_SD18_2V8 (0x05 << 2)#define TUNE_SD18_2V9 (0x06 << 2)#define TUNE_SD18_3V3 (0x07 << 2)
/* CLK_DIV */#define CLK_CHANGE 0x80#define CLK_DIV_1 0x00#define CLK_DIV_2 0x01#define CLK_DIV_4 0x02#define CLK_DIV_8 0x03
#define SSC_POWER_MASK 0x01#define SSC_POWER_DOWN 0x01#define SSC_POWER_ON 0x00
#define FPGA_VER 0x80#define HW_VER_MASK 0x0F
#define EXTEND_DMA1_ASYNC_SIGNAL 0x02
/* CFG_MODE*/#define XTAL_FREE 0x80#define CLK_MODE_MASK 0x03#define CLK_MODE_12M_XTAL 0x00#define CLK_MODE_NON_XTAL 0x01#define CLK_MODE_24M_OSC 0x02#define CLK_MODE_48M_OSC 0x03
/* CFG_MODE_1*/#define RTS5179 0x02
#define NYET_EN 0x01#define NYET_MSAK 0x01
#define SD30_DRIVE_MASK 0x07#define SD20_DRIVE_MASK 0x03
#define DISABLE_SD_CD 0x08#define DISABLE_MS_CD 0x10#define DISABLE_XD_CD 0x20#define SD_CD_DEGLITCH_EN 0x01#define MS_CD_DEGLITCH_EN 0x02#define XD_CD_DEGLITCH_EN 0x04
#define CARD_SHARE_LQFP48 0x04#define CARD_SHARE_QFN24 0x00#define CARD_SHARE_LQFP_SEL 0x04#define CARD_SHARE_XD 0x00#define CARD_SHARE_SD 0x01#define CARD_SHARE_MS 0x02#define CARD_SHARE_MASK 0x03
/* SD30_DRIVE_SEL */#define DRIVER_TYPE_A 0x05#define DRIVER_TYPE_B 0x03#define DRIVER_TYPE_C 0x02#define DRIVER_TYPE_D 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
/* CARD_CLK_EN */#define SD_CLK_EN 0x04#define MS_CLK_EN 0x08
/* CARD_SELECT */#define SD_MOD_SEL 2#define MS_MOD_SEL 3
/* CARD_SHARE_MODE */#define CARD_SHARE_LQFP48 0x04#define CARD_SHARE_QFN24 0x00#define CARD_SHARE_LQFP_SEL 0x04#define CARD_SHARE_XD 0x00#define CARD_SHARE_SD 0x01#define CARD_SHARE_MS 0x02#define CARD_SHARE_MASK 0x03
/* 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 0x03#define SSC_DEPTH_DISALBE 0x00#define SSC_DEPTH_2M 0x01#define SSC_DEPTH_1M 0x02#define SSC_DEPTH_512K 0x03
/* SD_VPCLK0_CTL */#define PHASE_CHANGE 0x80#define PHASE_NOT_RESET 0x40
/* SD_TRANSFER */#define SD_TRANSFER_START 0x80#define SD_TRANSFER_END 0x40#define SD_STAT_IDLE 0x20#define SD_TRANSFER_ERR 0x10#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_CFG1 */#define SD_CLK_DIVIDE_0 0x00#define SD_CLK_DIVIDE_256 0xC0#define SD_CLK_DIVIDE_128 0x80#define SD_CLK_DIVIDE_MASK 0xC0#define SD_BUS_WIDTH_1BIT 0x00#define SD_BUS_WIDTH_4BIT 0x01#define SD_BUS_WIDTH_8BIT 0x02#define SD_ASYNC_FIFO_RST 0x10#define SD_20_MODE 0x00#define SD_DDR_MODE 0x04#define SD_30_MODE 0x08
/* SD_CFG2 */#define SD_CALCULATE_CRC7 0x00#define SD_NO_CALCULATE_CRC7 0x80#define SD_CHECK_CRC16 0x00#define SD_NO_CHECK_CRC16 0x40#define SD_WAIT_CRC_TO_EN 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#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_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_DATA_STATE */#define SD_DATA_IDLE 0x80
/* CARD_DATA_SOURCE */#define PINGPONG_BUFFER 0x01#define RING_BUFFER 0x00
/* CARD_OE */#define SD_OUTPUT_EN 0x04#define MS_OUTPUT_EN 0x08
/* CARD_STOP */#define SD_STOP 0x04#define MS_STOP 0x08#define SD_CLR_ERR 0x40#define MS_CLR_ERR 0x80
/* CARD_CLK_SOURCE */#define CRC_FIX_CLK (0x00 << 0)#define CRC_VAR_CLK0 (0x01 << 0)#define CRC_VAR_CLK1 (0x02 << 0)#define SD30_FIX_CLK (0x00 << 2)#define SD30_VAR_CLK0 (0x01 << 2)#define SD30_VAR_CLK1 (0x02 << 2)#define SAMPLE_FIX_CLK (0x00 << 4)#define SAMPLE_VAR_CLK0 (0x01 << 4)#define SAMPLE_VAR_CLK1 (0x02 << 4)
/* 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
/* 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#define MS_TM_SET_CMD 0x06#define MS_TM_COPY_PAGE 0x07#define MS_TM_MULTI_READ 0x02#define MS_TM_MULTI_WRITE 0x03
/* MC_FIFO_CTL */#define FIFO_FLUSH 0x01
/* MC_DMA_RST */#define DMA_RESET 0x01
/* MC_DMA_CTL */#define DMA_TC_EQ_0 0x80#define DMA_DIR_TO_CARD 0x00#define DMA_DIR_FROM_CARD 0x02#define DMA_EN 0x01#define DMA_128 (0 << 2)#define DMA_256 (1 << 2)#define DMA_512 (2 << 2)#define DMA_1024 (3 << 2)#define DMA_PACK_SIZE_MASK 0x0C
/* CARD_INT_PEND */#define XD_INT 0x10#define MS_INT 0x08#define SD_INT 0x04
/* LED operations*/static inline int rtsx_usb_turn_on_led(struct rtsx_ucr *ucr){ return rtsx_usb_ep0_write_register(ucr, CARD_GPIO, 0x03, 0x02);}
static inline int rtsx_usb_turn_off_led(struct rtsx_ucr *ucr){ return rtsx_usb_ep0_write_register(ucr, CARD_GPIO, 0x03, 0x03);}
/* HW error clearing */static inline void rtsx_usb_clear_fsm_err(struct rtsx_ucr *ucr){ rtsx_usb_ep0_write_register(ucr, SFSM_ED, 0xf8, 0xf8);}
static inline void rtsx_usb_clear_dma_err(struct rtsx_ucr *ucr){ rtsx_usb_ep0_write_register(ucr, MC_FIFO_CTL, FIFO_FLUSH, FIFO_FLUSH); rtsx_usb_ep0_write_register(ucr, MC_DMA_RST, DMA_RESET, DMA_RESET);}#endif /* __RTS51139_H */