kernel_samsung_a34x-permissive/drivers/misc/mediatek/usb20/mtk_musb_reg.h
2024-04-28 15:51:13 +02:00

546 lines
15 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2017 MediaTek Inc.
*/
#ifndef __MT_MUSB_REG_H__
#define __MT_MUSB_REG_H__
#include "musb_debug.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
/* 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
/* TXTYPE */
#define MUSB_TXTYPE_TXSPEED 0xC0
#define MUSB_TXTYPE_TXSPEED_FULL 0x80
/* 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
/* ALPS00798316, Enable DMA RxMode1 */
#define MUSB_EP_RXPKTCOUNT 0x0300
/* ALPS00798316, Enable DMA RxMode1 */
/* 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 */
#define MUSB_TXTYPE_EP0 0x1A /* 8 bit */
#define MUSB_FIFO_OFFSET(epnum) (0x20 + ((epnum) * 4))
/*
* Additional Control Registers
*/
#define MUSB_DEVCTL 0x60 /* 8 bit */
#define MUSB_OPSTATE 0x620
#define MUSB_OPSTATE_HOST_WAIT_DEV 0x21
#define OTG_IDLE 0
/*
* MD Direct Tethering related Registers
*/
#define MUSB_USB_MDL1INTM 0x744
#define MUSB_QIMCR 0xc08
#define MUSB_QIMSR 0xc0c
#define MUSB_USBGCSR 0xb00
/* 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 */
/* Offsets to endpoint registers in indexed model (using INDEX register) */
#define MUSB_INDEXED_OFFSET(_epnum, _offset) \
(0x10 + (_offset))
#define MUSB_TXCSR_MODE 0x2000
/* "bus control"/target registers, for host side multipoint (external hubs) */
#define MUSB_TXFUNCADDR 0x0480
#define MUSB_TXHUBADDR 0x0482
#define MUSB_RXFUNCADDR 0x0484
#define MUSB_RXHUBADDR 0x0486
/* Toggle registers */
#define MUSB_RXTOG 0x0080
#define MUSB_RXTOGEN 0x0082
#define MUSB_TXTOG 0x0084
#define MUSB_TXTOGEN 0x0086
#define MUSB_BUSCTL_OFFSET(_epnum, _offset) \
(0x80 + (8*(_epnum)) + (_offset))
/* MTK Software reset reg */
#define MUSB_SWRST 0x74
#define MUSB_SWRST_PHY_RST (1<<7)
#define MUSB_SWRST_PHYSIG_GATE_HS (1<<6)
#define MUSB_SWRST_PHYSIG_GATE_EN (1<<5)
#define MUSB_SWRST_REDUCE_DLY (1<<4)
#define MUSB_SWRST_UNDO_SRPFIX (1<<3)
#define MUSB_SWRST_FRC_VBUSVALID (1<<2)
#define MUSB_SWRST_SWRST (1<<1)
#define MUSB_SWRST_DISUSBRESET (1<<0)
#define USB_L1INTS (0x00a0) /* USB level 1 interrupt status register */
#define USB_L1INTM (0x00a4) /* USB level 1 interrupt mask register */
#define USB_L1INTP (0x00a8) /* USB level 1 interrupt polarity register */
/* #define DMA_INTR (USB_BASE + 0x0200) */
#define DMA_INTR_UNMASK_CLR_OFFSET (16)
#define DMA_INTR_UNMASK_SET_OFFSET (24)
#define USB_DMA_REALCOUNT(chan) (0x0280+0x10*(chan))
/* ====================== */
/* USB interrupt register */
/* ====================== */
/* word access */
#define TX_INT_STATUS (1<<0)
#define RX_INT_STATUS (1<<1)
#define USBCOM_INT_STATUS (1<<2)
#define DMA_INT_STATUS (1<<3)
#define PSR_INT_STATUS (1<<4)
#define QINT_STATUS (1<<5)
#define QHIF_INT_STATUS (1<<6)
#define DPDM_INT_STATUS (1<<7)
#define VBUSVALID_INT_STATUS (1<<8)
#define IDDIG_INT_STATUS (1<<9)
#define DRVVBUS_INT_STATUS (1<<10)
#define VBUSVALID_INT_POL (1<<8)
#define IDDIG_INT_POL (1<<9)
#define DRVVBUS_INT_POL (1<<10)
#define RESREG 0x700 /* Reserved Register */
#define HSTPWRDWN_OPT (1<<0) /* connection detection option */
/*
* OTG 2.0 Registers
*/
#define OTG20_CSRL 0x730 /* OTG20 Related Control Register L */
#define OTG20_CSRH 0x731 /* OTG20 Related Control Register H */
/* OTG20 Related Control Register L */
/* Disable Host mode entering
* C_OPM_HSUS state before entering suspend
*/
#define DIS_HSUS (1<<7)
/* EN: FS idle of A device will
* transfer to HFS_HSUS state first
*/
#define A_HFS_WHNP (1<<6)
/* Disables B device entering
* C_OPM_B_WTDIS states before
* switching to host mode
*/
#define DIS_B_WTDIS (1<<5)
/* EN: host-hs-suspend entering OPM_FS_WTCON state first
* while receiving disconnect signal
*/
#define HHS_SUSP_DIS (1<<4)
/* EN: Disables B device
* charging VBUS function
* for OTG2.0 feature
*/
#define DIS_CHARGE_VBUS (1<<3)
/* EN: hsus mode of host initializing resuming interrupt
* while receiving resume K as waiting for HNP
*/
#define HSUS_RESUME_INT (1<<2)
/* EN: hnpsus-mode of host entering host-normal mode as
* receiving resume K while waiting for HNP
*/
#define HSUS_RESUME (1<<1)
#define OTG20_EN (1<<0) /* Enables OTG 2.0 feature */
/* OTG20 Related Control Register H */
/* Informs whether HW sends bus reset automatically
* while B-device changes to host with HNP
*/
#define DIS_AUTORST (1<<1)
/* EN: to decrease A
* device connection
* denounce waiting timing
*/
#define CON_DEB_SHORT (1<<0)
/* QMU Registers */
#ifdef CONFIG_MTK_MUSB_QMU_SUPPORT
#define MUSB_QMUBASE (0x800)
#define MUSB_QISAR (0xc00)
#define MUSB_QIMR (0xc04)
#define MUSB_GPZCR (0xc34)
#endif
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(void __iomem *mbase,
u8 epnum, u8 qh_addr_reg)
{
musb_writew(mbase, MUSB_RXFUNCADDR + 8 * epnum, qh_addr_reg);
}
static inline void musb_write_rxhubaddr(void __iomem *mbase,
u8 epnum, u8 qh_h_addr_reg)
{
u16 rx_hub_port_addr = musb_readw(mbase, 0x0486 + 8 * epnum);
rx_hub_port_addr &= 0xff00;
rx_hub_port_addr |= qh_h_addr_reg;
musb_writew(mbase, MUSB_RXHUBADDR + 8 * epnum, rx_hub_port_addr);
}
static inline void musb_write_rxhubport(void __iomem *mbase,
u8 epnum, u8 qh_h_port_reg)
{
u16 rx_hub_port_addr = musb_readw(mbase, 0x0486 + 8 * epnum);
u16 rx_port_addr = (u16) qh_h_port_reg;
rx_hub_port_addr &= 0x00ff;
rx_hub_port_addr |= (rx_port_addr << 8);
musb_writew(mbase, MUSB_RXHUBADDR + 8 * epnum, rx_hub_port_addr);
}
static inline void musb_write_txfunaddr(void __iomem *mbase,
u8 epnum, u8 qh_addr_reg)
{
u16 new_qh_addr_reg;
unsigned char power, txtype;
power = musb_readb(mbase, MUSB_POWER);
txtype = musb_readb(mbase, MUSB_TXTYPE_EP0);
DBG(4, "%s - ep%d, power: 0x%X, txtype: 0x%X\n", __func__, epnum,
power, txtype);
if ((power & MUSB_POWER_HSMODE) &&
((txtype & MUSB_TXTYPE_TXSPEED) == MUSB_TXTYPE_TXSPEED_FULL)) {
new_qh_addr_reg = (qh_addr_reg | 0x100);
DBG(4, "%s SPLIT TRANS ep%d 0x%X 0x%X\n", __func__, epnum,
qh_addr_reg,
new_qh_addr_reg);
musb_writew(mbase, MUSB_TXFUNCADDR + 8 * epnum,
new_qh_addr_reg);
} else {
musb_writew(mbase, MUSB_TXFUNCADDR + 8 * epnum, qh_addr_reg);
}
}
static inline void musb_write_txhubaddr(void __iomem *mbase,
u8 epnum, u8 qh_h_addr_reg)
{
u16 tx_hub_port_addr = musb_readw(mbase, 0x0482 + 8 * epnum);
tx_hub_port_addr &= 0xff00;
tx_hub_port_addr |= qh_h_addr_reg;
musb_writew(mbase, MUSB_TXHUBADDR + 8 * epnum, tx_hub_port_addr);
}
static inline void musb_write_txhubport(void __iomem *mbase,
u8 epnum, u8 qh_h_port_reg)
{
u16 tx_hub_port_addr = musb_readw(mbase, 0x0482 + 8 * epnum);
u16 tx_port_addr = (u16) qh_h_port_reg;
tx_hub_port_addr &= 0x00ff;
tx_hub_port_addr |= (tx_port_addr << 8);
musb_writew(mbase, MUSB_TXHUBADDR + 8 * epnum, tx_hub_port_addr);
}
#endif /* __MUSB_REGS_H__ */