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u-boot/drivers/usb/musb/musb_core.h
Tom Rini 83d290c56f SPDX: Convert all of our single license tags to Linux Kernel style 
When U-Boot started using SPDX tags we were among the early adopters and
there weren't a lot of other examples to borrow from.  So we picked the
area of the file that usually had a full license text and replaced it
with an appropriate SPDX-License-Identifier: entry.  Since then, the
Linux Kernel has adopted SPDX tags and they place it as the very first
line in a file (except where shebangs are used, then it's second line)
and with slightly different comment styles than us.

In part due to community overlap, in part due to better tag visibility
and in part for other minor reasons, switch over to that style.

This commit changes all instances where we have a single declared
license in the tag as both the before and after are identical in tag
contents.  There's also a few places where I found we did not have a tag
and have introduced one.

Signed-off-by: Tom Rini <trini@konsulko.com>
2018-05-07 09:34:12 -04:00

343 lines
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/* SPDX-License-Identifier: GPL-2.0 */
/******************************************************************
* Copyright 2008 Mentor Graphics Corporation
* Copyright (C) 2008 by Texas Instruments
*
* This file is part of the Inventra Controller Driver for Linux.
******************************************************************/
#ifndef __MUSB_HDRC_DEFS_H__
#define __MUSB_HDRC_DEFS_H__
#include <usb_defs.h>
#include <asm/io.h>
#define MUSB_EP0_FIFOSIZE 64 /* This is non-configurable */
/* EP0 */
struct musb_ep0_regs {
u16 reserved4;
u16 csr0;
u16 reserved5;
u16 reserved6;
u16 count0;
u8 host_type0;
u8 host_naklimit0;
u8 reserved7;
u8 reserved8;
u8 reserved9;
u8 configdata;
};
/* EP 1-15 */
struct musb_epN_regs {
u16 txmaxp;
u16 txcsr;
u16 rxmaxp;
u16 rxcsr;
u16 rxcount;
u8 txtype;
u8 txinterval;
u8 rxtype;
u8 rxinterval;
u8 reserved0;
u8 fifosize;
};
/* Mentor USB core register overlay structure */
#ifndef musb_regs
struct musb_regs {
/* common registers */
u8 faddr;
u8 power;
u16 intrtx;
u16 intrrx;
u16 intrtxe;
u16 intrrxe;
u8 intrusb;
u8 intrusbe;
u16 frame;
u8 index;
u8 testmode;
/* indexed registers */
u16 txmaxp;
u16 txcsr;
u16 rxmaxp;
u16 rxcsr;
u16 rxcount;
u8 txtype;
u8 txinterval;
u8 rxtype;
u8 rxinterval;
u8 reserved0;
u8 fifosize;
/* fifo */
u32 fifox[16];
/* OTG, dynamic FIFO, version & vendor registers */
u8 devctl;
u8 reserved1;
u8 txfifosz;
u8 rxfifosz;
u16 txfifoadd;
u16 rxfifoadd;
u32 vcontrol;
u16 hwvers;
u16 reserved2a[1];
u8 ulpi_busctl;
u8 reserved2b[1];
u16 reserved2[3];
u8 epinfo;
u8 raminfo;
u8 linkinfo;
u8 vplen;
u8 hseof1;
u8 fseof1;
u8 lseof1;
u8 reserved3;
/* target address registers */
struct musb_tar_regs {
u8 txfuncaddr;
u8 reserved0;
u8 txhubaddr;
u8 txhubport;
u8 rxfuncaddr;
u8 reserved1;
u8 rxhubaddr;
u8 rxhubport;
} tar[16];
/*
* endpoint registers
* ep0 elements are valid when array index is 0
* otherwise epN is valid
*/
union musb_ep_regs {
struct musb_ep0_regs ep0;
struct musb_epN_regs epN;
} ep[16];
} __attribute__((packed));
#endif
/*
* 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
#define MUSB_POWER_HSMODE_SHIFT 4
/* 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
/* ULPI VBUSCONTROL */
#define ULPI_USE_EXTVBUS 0x01
#define ULPI_USE_EXTVBUSIND 0x02
/* 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_SPEED_HIGH 1
#define MUSB_TYPE_SPEED_FULL 2
#define MUSB_TYPE_SPEED_LOW 3
#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 */
#define MUSB_TYPE_PROTO_BULK 2
#define MUSB_TYPE_PROTO_INTR 3
/* 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_MODE 0x2000
#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
#define MUSB_TXCSR_H_DATATOGGLE_SHIFT 8
/* 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
#define MUSB_S_RXCSR_H_DATATOGGLE 9
/* 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
/* Endpoint configuration information. Note: The value of endpoint fifo size
* element should be either 8,16,32,64,128,256,512,1024,2048 or 4096. Other
* values are not supported
*/
struct musb_epinfo {
u8 epnum; /* endpoint number */
u8 epdir; /* endpoint direction */
u16 epsize; /* endpoint FIFO size */
};
/*
* Platform specific MUSB configuration. Any platform using the musb
* functionality should create one instance of this structure in the
* platform specific file.
*/
struct musb_config {
struct musb_regs *regs;
u32 timeout;
u8 musb_speed;
u8 extvbus;
};
/* externally defined data */
extern struct musb_config musb_cfg;
extern struct musb_regs *musbr;
/* exported functions */
extern void musb_start(void);
extern void musb_configure_ep(const struct musb_epinfo *epinfo, u8 cnt);
extern void write_fifo(u8 ep, u32 length, void *fifo_data);
extern void read_fifo(u8 ep, u32 length, void *fifo_data);
static inline u8 musb_read_ulpi_buscontrol(struct musb_regs *musbr)
{
return readb(&musbr->ulpi_busctl);
}
static inline void musb_write_ulpi_buscontrol(struct musb_regs *musbr, u8 val)
{
writeb(val, &musbr->ulpi_busctl);
}
#endif /* __MUSB_HDRC_DEFS_H__ */
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