| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * MUSB OTG driver register defines |
| * |
| * Copyright 2005 Mentor Graphics Corporation |
| * Copyright (C) 2005-2006 by Texas Instruments |
| * Copyright (C) 2006-2007 Nokia Corporation |
| */ |
| |
| #ifndef __MUSB_REGS_H__ |
| #define __MUSB_REGS_H__ |
| |
| #define MUSB_EP0_FIFOSIZE 64 /* This is non-configurable */ |
| |
| /* |
| * MUSB Register bits |
| */ |
| |
| /* POWER */ |
| #define MUSB_POWER_ISOUPDATE 0x80 |
| #define MUSB_POWER_SOFTCONN 0x40 |
| #define MUSB_POWER_HSENAB 0x20 |
| #define MUSB_POWER_HSMODE 0x10 |
| #define MUSB_POWER_RESET 0x08 |
| #define MUSB_POWER_RESUME 0x04 |
| #define MUSB_POWER_SUSPENDM 0x02 |
| #define MUSB_POWER_ENSUSPEND 0x01 |
| |
| /* INTRUSB */ |
| #define MUSB_INTR_SUSPEND 0x01 |
| #define MUSB_INTR_RESUME 0x02 |
| #define MUSB_INTR_RESET 0x04 |
| #define MUSB_INTR_BABBLE 0x04 |
| #define MUSB_INTR_SOF 0x08 |
| #define MUSB_INTR_CONNECT 0x10 |
| #define MUSB_INTR_DISCONNECT 0x20 |
| #define MUSB_INTR_SESSREQ 0x40 |
| #define MUSB_INTR_VBUSERROR 0x80 /* For SESSION end */ |
| |
| /* DEVCTL */ |
| #define MUSB_DEVCTL_BDEVICE 0x80 |
| #define MUSB_DEVCTL_FSDEV 0x40 |
| #define MUSB_DEVCTL_LSDEV 0x20 |
| #define MUSB_DEVCTL_VBUS 0x18 |
| #define MUSB_DEVCTL_VBUS_SHIFT 3 |
| #define MUSB_DEVCTL_HM 0x04 |
| #define MUSB_DEVCTL_HR 0x02 |
| #define MUSB_DEVCTL_SESSION 0x01 |
| |
| /* BABBLE_CTL */ |
| #define MUSB_BABBLE_FORCE_TXIDLE 0x80 |
| #define MUSB_BABBLE_SW_SESSION_CTRL 0x40 |
| #define MUSB_BABBLE_STUCK_J 0x20 |
| #define MUSB_BABBLE_RCV_DISABLE 0x04 |
| |
| /* MUSB ULPI VBUSCONTROL */ |
| #define MUSB_ULPI_USE_EXTVBUS 0x01 |
| #define MUSB_ULPI_USE_EXTVBUSIND 0x02 |
| /* ULPI_REG_CONTROL */ |
| #define MUSB_ULPI_REG_REQ (1 << 0) |
| #define MUSB_ULPI_REG_CMPLT (1 << 1) |
| #define MUSB_ULPI_RDN_WR (1 << 2) |
| |
| /* TESTMODE */ |
| #define MUSB_TEST_FORCE_HOST 0x80 |
| #define MUSB_TEST_FIFO_ACCESS 0x40 |
| #define MUSB_TEST_FORCE_FS 0x20 |
| #define MUSB_TEST_FORCE_HS 0x10 |
| #define MUSB_TEST_PACKET 0x08 |
| #define MUSB_TEST_K 0x04 |
| #define MUSB_TEST_J 0x02 |
| #define MUSB_TEST_SE0_NAK 0x01 |
| |
| /* Allocate for double-packet buffering (effectively doubles assigned _SIZE) */ |
| #define MUSB_FIFOSZ_DPB 0x10 |
| /* Allocation size (8, 16, 32, ... 4096) */ |
| #define MUSB_FIFOSZ_SIZE 0x0f |
| |
| /* CSR0 */ |
| #define MUSB_CSR0_FLUSHFIFO 0x0100 |
| #define MUSB_CSR0_TXPKTRDY 0x0002 |
| #define MUSB_CSR0_RXPKTRDY 0x0001 |
| |
| /* CSR0 in Peripheral mode */ |
| #define MUSB_CSR0_P_SVDSETUPEND 0x0080 |
| #define MUSB_CSR0_P_SVDRXPKTRDY 0x0040 |
| #define MUSB_CSR0_P_SENDSTALL 0x0020 |
| #define MUSB_CSR0_P_SETUPEND 0x0010 |
| #define MUSB_CSR0_P_DATAEND 0x0008 |
| #define MUSB_CSR0_P_SENTSTALL 0x0004 |
| |
| /* CSR0 in Host mode */ |
| #define MUSB_CSR0_H_DIS_PING 0x0800 |
| #define MUSB_CSR0_H_WR_DATATOGGLE 0x0400 /* Set to allow setting: */ |
| #define MUSB_CSR0_H_DATATOGGLE 0x0200 /* Data toggle control */ |
| #define MUSB_CSR0_H_NAKTIMEOUT 0x0080 |
| #define MUSB_CSR0_H_STATUSPKT 0x0040 |
| #define MUSB_CSR0_H_REQPKT 0x0020 |
| #define MUSB_CSR0_H_ERROR 0x0010 |
| #define MUSB_CSR0_H_SETUPPKT 0x0008 |
| #define MUSB_CSR0_H_RXSTALL 0x0004 |
| |
| /* CSR0 bits to avoid zeroing (write zero clears, write 1 ignored) */ |
| #define MUSB_CSR0_P_WZC_BITS \ |
| (MUSB_CSR0_P_SENTSTALL) |
| #define MUSB_CSR0_H_WZC_BITS \ |
| (MUSB_CSR0_H_NAKTIMEOUT | MUSB_CSR0_H_RXSTALL \ |
| | MUSB_CSR0_RXPKTRDY) |
| |
| /* TxType/RxType */ |
| #define MUSB_TYPE_SPEED 0xc0 |
| #define MUSB_TYPE_SPEED_SHIFT 6 |
| #define MUSB_TYPE_PROTO 0x30 /* Implicitly zero for ep0 */ |
| #define MUSB_TYPE_PROTO_SHIFT 4 |
| #define MUSB_TYPE_REMOTE_END 0xf /* Implicitly zero for ep0 */ |
| |
| /* CONFIGDATA */ |
| #define MUSB_CONFIGDATA_MPRXE 0x80 /* Auto bulk pkt combining */ |
| #define MUSB_CONFIGDATA_MPTXE 0x40 /* Auto bulk pkt splitting */ |
| #define MUSB_CONFIGDATA_BIGENDIAN 0x20 |
| #define MUSB_CONFIGDATA_HBRXE 0x10 /* HB-ISO for RX */ |
| #define MUSB_CONFIGDATA_HBTXE 0x08 /* HB-ISO for TX */ |
| #define MUSB_CONFIGDATA_DYNFIFO 0x04 /* Dynamic FIFO sizing */ |
| #define MUSB_CONFIGDATA_SOFTCONE 0x02 /* SoftConnect */ |
| #define MUSB_CONFIGDATA_UTMIDW 0x01 /* Data width 0/1 => 8/16bits */ |
| |
| /* TXCSR in Peripheral and Host mode */ |
| #define MUSB_TXCSR_AUTOSET 0x8000 |
| #define MUSB_TXCSR_DMAENAB 0x1000 |
| #define MUSB_TXCSR_FRCDATATOG 0x0800 |
| #define MUSB_TXCSR_DMAMODE 0x0400 |
| #define MUSB_TXCSR_CLRDATATOG 0x0040 |
| #define MUSB_TXCSR_FLUSHFIFO 0x0008 |
| #define MUSB_TXCSR_FIFONOTEMPTY 0x0002 |
| #define MUSB_TXCSR_TXPKTRDY 0x0001 |
| |
| /* TXCSR in Peripheral mode */ |
| #define MUSB_TXCSR_P_ISO 0x4000 |
| #define MUSB_TXCSR_P_INCOMPTX 0x0080 |
| #define MUSB_TXCSR_P_SENTSTALL 0x0020 |
| #define MUSB_TXCSR_P_SENDSTALL 0x0010 |
| #define MUSB_TXCSR_P_UNDERRUN 0x0004 |
| |
| /* TXCSR in Host mode */ |
| #define MUSB_TXCSR_H_WR_DATATOGGLE 0x0200 |
| #define MUSB_TXCSR_H_DATATOGGLE 0x0100 |
| #define MUSB_TXCSR_H_NAKTIMEOUT 0x0080 |
| #define MUSB_TXCSR_H_RXSTALL 0x0020 |
| #define MUSB_TXCSR_H_ERROR 0x0004 |
| |
| /* TXCSR bits to avoid zeroing (write zero clears, write 1 ignored) */ |
| #define MUSB_TXCSR_P_WZC_BITS \ |
| (MUSB_TXCSR_P_INCOMPTX | MUSB_TXCSR_P_SENTSTALL \ |
| | MUSB_TXCSR_P_UNDERRUN | MUSB_TXCSR_FIFONOTEMPTY) |
| #define MUSB_TXCSR_H_WZC_BITS \ |
| (MUSB_TXCSR_H_NAKTIMEOUT | MUSB_TXCSR_H_RXSTALL \ |
| | MUSB_TXCSR_H_ERROR | MUSB_TXCSR_FIFONOTEMPTY) |
| |
| /* RXCSR in Peripheral and Host mode */ |
| #define MUSB_RXCSR_AUTOCLEAR 0x8000 |
| #define MUSB_RXCSR_DMAENAB 0x2000 |
| #define MUSB_RXCSR_DISNYET 0x1000 |
| #define MUSB_RXCSR_PID_ERR 0x1000 |
| #define MUSB_RXCSR_DMAMODE 0x0800 |
| #define MUSB_RXCSR_INCOMPRX 0x0100 |
| #define MUSB_RXCSR_CLRDATATOG 0x0080 |
| #define MUSB_RXCSR_FLUSHFIFO 0x0010 |
| #define MUSB_RXCSR_DATAERROR 0x0008 |
| #define MUSB_RXCSR_FIFOFULL 0x0002 |
| #define MUSB_RXCSR_RXPKTRDY 0x0001 |
| |
| /* RXCSR in Peripheral mode */ |
| #define MUSB_RXCSR_P_ISO 0x4000 |
| #define MUSB_RXCSR_P_SENTSTALL 0x0040 |
| #define MUSB_RXCSR_P_SENDSTALL 0x0020 |
| #define MUSB_RXCSR_P_OVERRUN 0x0004 |
| |
| /* RXCSR in Host mode */ |
| #define MUSB_RXCSR_H_AUTOREQ 0x4000 |
| #define MUSB_RXCSR_H_WR_DATATOGGLE 0x0400 |
| #define MUSB_RXCSR_H_DATATOGGLE 0x0200 |
| #define MUSB_RXCSR_H_RXSTALL 0x0040 |
| #define MUSB_RXCSR_H_REQPKT 0x0020 |
| #define MUSB_RXCSR_H_ERROR 0x0004 |
| |
| /* RXCSR bits to avoid zeroing (write zero clears, write 1 ignored) */ |
| #define MUSB_RXCSR_P_WZC_BITS \ |
| (MUSB_RXCSR_P_SENTSTALL | MUSB_RXCSR_P_OVERRUN \ |
| | MUSB_RXCSR_RXPKTRDY) |
| #define MUSB_RXCSR_H_WZC_BITS \ |
| (MUSB_RXCSR_H_RXSTALL | MUSB_RXCSR_H_ERROR \ |
| | MUSB_RXCSR_DATAERROR | MUSB_RXCSR_RXPKTRDY) |
| |
| /* HUBADDR */ |
| #define MUSB_HUBADDR_MULTI_TT 0x80 |
| |
| |
| /* |
| * Common USB registers |
| */ |
| |
| #define MUSB_FADDR 0x00 /* 8-bit */ |
| #define MUSB_POWER 0x01 /* 8-bit */ |
| |
| #define MUSB_INTRTX 0x02 /* 16-bit */ |
| #define MUSB_INTRRX 0x04 |
| #define MUSB_INTRTXE 0x06 |
| #define MUSB_INTRRXE 0x08 |
| #define MUSB_INTRUSB 0x0A /* 8 bit */ |
| #define MUSB_INTRUSBE 0x0B /* 8 bit */ |
| #define MUSB_FRAME 0x0C |
| #define MUSB_INDEX 0x0E /* 8 bit */ |
| #define MUSB_TESTMODE 0x0F /* 8 bit */ |
| |
| /* |
| * Additional Control Registers |
| */ |
| |
| #define MUSB_DEVCTL 0x60 /* 8 bit */ |
| #define MUSB_BABBLE_CTL 0x61 /* 8 bit */ |
| |
| /* These are always controlled through the INDEX register */ |
| #define MUSB_TXFIFOSZ 0x62 /* 8-bit (see masks) */ |
| #define MUSB_RXFIFOSZ 0x63 /* 8-bit (see masks) */ |
| #define MUSB_TXFIFOADD 0x64 /* 16-bit offset shifted right 3 */ |
| #define MUSB_RXFIFOADD 0x66 /* 16-bit offset shifted right 3 */ |
| |
| /* REVISIT: vctrl/vstatus: optional vendor utmi+phy register at 0x68 */ |
| #define MUSB_HWVERS 0x6C /* 8 bit */ |
| #define MUSB_ULPI_BUSCONTROL 0x70 /* 8 bit */ |
| #define MUSB_ULPI_INT_MASK 0x72 /* 8 bit */ |
| #define MUSB_ULPI_INT_SRC 0x73 /* 8 bit */ |
| #define MUSB_ULPI_REG_DATA 0x74 /* 8 bit */ |
| #define MUSB_ULPI_REG_ADDR 0x75 /* 8 bit */ |
| #define MUSB_ULPI_REG_CONTROL 0x76 /* 8 bit */ |
| #define MUSB_ULPI_RAW_DATA 0x77 /* 8 bit */ |
| |
| #define MUSB_EPINFO 0x78 /* 8 bit */ |
| #define MUSB_RAMINFO 0x79 /* 8 bit */ |
| #define MUSB_LINKINFO 0x7a /* 8 bit */ |
| #define MUSB_VPLEN 0x7b /* 8 bit */ |
| #define MUSB_HS_EOF1 0x7c /* 8 bit */ |
| #define MUSB_FS_EOF1 0x7d /* 8 bit */ |
| #define MUSB_LS_EOF1 0x7e /* 8 bit */ |
| |
| /* Offsets to endpoint registers */ |
| #define MUSB_TXMAXP 0x00 |
| #define MUSB_TXCSR 0x02 |
| #define MUSB_CSR0 MUSB_TXCSR /* Re-used for EP0 */ |
| #define MUSB_RXMAXP 0x04 |
| #define MUSB_RXCSR 0x06 |
| #define MUSB_RXCOUNT 0x08 |
| #define MUSB_COUNT0 MUSB_RXCOUNT /* Re-used for EP0 */ |
| #define MUSB_TXTYPE 0x0A |
| #define MUSB_TYPE0 MUSB_TXTYPE /* Re-used for EP0 */ |
| #define MUSB_TXINTERVAL 0x0B |
| #define MUSB_NAKLIMIT0 MUSB_TXINTERVAL /* Re-used for EP0 */ |
| #define MUSB_RXTYPE 0x0C |
| #define MUSB_RXINTERVAL 0x0D |
| #define MUSB_FIFOSIZE 0x0F |
| #define MUSB_CONFIGDATA MUSB_FIFOSIZE /* Re-used for EP0 */ |
| |
| #include "tusb6010.h" /* Needed "only" for TUSB_EP0_CONF */ |
| |
| #define MUSB_TXCSR_MODE 0x2000 |
| |
| /* "bus control"/target registers, for host side multipoint (external hubs) */ |
| #define MUSB_TXFUNCADDR 0x00 |
| #define MUSB_TXHUBADDR 0x02 |
| #define MUSB_TXHUBPORT 0x03 |
| |
| #define MUSB_RXFUNCADDR 0x04 |
| #define MUSB_RXHUBADDR 0x06 |
| #define MUSB_RXHUBPORT 0x07 |
| |
| static inline void musb_write_txfifosz(void __iomem *mbase, u8 c_size) |
| { |
| musb_writeb(mbase, MUSB_TXFIFOSZ, c_size); |
| } |
| |
| static inline void musb_write_txfifoadd(void __iomem *mbase, u16 c_off) |
| { |
| musb_writew(mbase, MUSB_TXFIFOADD, c_off); |
| } |
| |
| static inline void musb_write_rxfifosz(void __iomem *mbase, u8 c_size) |
| { |
| musb_writeb(mbase, MUSB_RXFIFOSZ, c_size); |
| } |
| |
| static inline void musb_write_rxfifoadd(void __iomem *mbase, u16 c_off) |
| { |
| musb_writew(mbase, MUSB_RXFIFOADD, c_off); |
| } |
| |
| static inline void musb_write_ulpi_buscontrol(void __iomem *mbase, u8 val) |
| { |
| musb_writeb(mbase, MUSB_ULPI_BUSCONTROL, val); |
| } |
| |
| static inline u8 musb_read_txfifosz(void __iomem *mbase) |
| { |
| return musb_readb(mbase, MUSB_TXFIFOSZ); |
| } |
| |
| static inline u16 musb_read_txfifoadd(void __iomem *mbase) |
| { |
| return musb_readw(mbase, MUSB_TXFIFOADD); |
| } |
| |
| static inline u8 musb_read_rxfifosz(void __iomem *mbase) |
| { |
| return musb_readb(mbase, MUSB_RXFIFOSZ); |
| } |
| |
| static inline u16 musb_read_rxfifoadd(void __iomem *mbase) |
| { |
| return musb_readw(mbase, MUSB_RXFIFOADD); |
| } |
| |
| static inline u8 musb_read_ulpi_buscontrol(void __iomem *mbase) |
| { |
| return musb_readb(mbase, MUSB_ULPI_BUSCONTROL); |
| } |
| |
| static inline u8 musb_read_configdata(void __iomem *mbase) |
| { |
| musb_writeb(mbase, MUSB_INDEX, 0); |
| return musb_readb(mbase, 0x10 + MUSB_CONFIGDATA); |
| } |
| |
| static inline u16 musb_read_hwvers(void __iomem *mbase) |
| { |
| return musb_readw(mbase, MUSB_HWVERS); |
| } |
| |
| static inline void musb_write_rxfunaddr(struct musb *musb, u8 epnum, |
| u8 qh_addr_reg) |
| { |
| musb_writeb(musb->mregs, |
| musb->io.busctl_offset(epnum, MUSB_RXFUNCADDR), |
| qh_addr_reg); |
| } |
| |
| static inline void musb_write_rxhubaddr(struct musb *musb, u8 epnum, |
| u8 qh_h_addr_reg) |
| { |
| musb_writeb(musb->mregs, musb->io.busctl_offset(epnum, MUSB_RXHUBADDR), |
| qh_h_addr_reg); |
| } |
| |
| static inline void musb_write_rxhubport(struct musb *musb, u8 epnum, |
| u8 qh_h_port_reg) |
| { |
| musb_writeb(musb->mregs, musb->io.busctl_offset(epnum, MUSB_RXHUBPORT), |
| qh_h_port_reg); |
| } |
| |
| static inline void musb_write_txfunaddr(struct musb *musb, u8 epnum, |
| u8 qh_addr_reg) |
| { |
| musb_writeb(musb->mregs, |
| musb->io.busctl_offset(epnum, MUSB_TXFUNCADDR), |
| qh_addr_reg); |
| } |
| |
| static inline void musb_write_txhubaddr(struct musb *musb, u8 epnum, |
| u8 qh_addr_reg) |
| { |
| musb_writeb(musb->mregs, musb->io.busctl_offset(epnum, MUSB_TXHUBADDR), |
| qh_addr_reg); |
| } |
| |
| static inline void musb_write_txhubport(struct musb *musb, u8 epnum, |
| u8 qh_h_port_reg) |
| { |
| musb_writeb(musb->mregs, musb->io.busctl_offset(epnum, MUSB_TXHUBPORT), |
| qh_h_port_reg); |
| } |
| |
| static inline u8 musb_read_rxfunaddr(struct musb *musb, u8 epnum) |
| { |
| return musb_readb(musb->mregs, |
| musb->io.busctl_offset(epnum, MUSB_RXFUNCADDR)); |
| } |
| |
| static inline u8 musb_read_rxhubaddr(struct musb *musb, u8 epnum) |
| { |
| return musb_readb(musb->mregs, |
| musb->io.busctl_offset(epnum, MUSB_RXHUBADDR)); |
| } |
| |
| static inline u8 musb_read_rxhubport(struct musb *musb, u8 epnum) |
| { |
| return musb_readb(musb->mregs, |
| musb->io.busctl_offset(epnum, MUSB_RXHUBPORT)); |
| } |
| |
| static inline u8 musb_read_txfunaddr(struct musb *musb, u8 epnum) |
| { |
| return musb_readb(musb->mregs, |
| musb->io.busctl_offset(epnum, MUSB_TXFUNCADDR)); |
| } |
| |
| static inline u8 musb_read_txhubaddr(struct musb *musb, u8 epnum) |
| { |
| return musb_readb(musb->mregs, |
| musb->io.busctl_offset(epnum, MUSB_TXHUBADDR)); |
| } |
| |
| static inline u8 musb_read_txhubport(struct musb *musb, u8 epnum) |
| { |
| return musb_readb(musb->mregs, |
| musb->io.busctl_offset(epnum, MUSB_TXHUBPORT)); |
| } |
| |
| #endif /* __MUSB_REGS_H__ */ |