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- /*
- * This file is part of the UCB release of Plan 9. It is subject to the license
- * terms in the LICENSE file found in the top-level directory of this
- * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
- * part of the UCB release of Plan 9, including this file, may be copied,
- * modified, propagated, or distributed except according to the terms contained
- * in the LICENSE file.
- */
- /*
- * ECHI portable hardware definitions
- */
- typedef struct Ecapio Ecapio;
- typedef struct Edbgio Edbgio;
- #pragma incomplete Ecapio;
- #pragma incomplete Edbgio;
- /*
- * EHCI interface registers and bits
- */
- enum
- {
- /* Ecapio->parms reg. */
- Cnports = 0xF, /* nport bits */
- Cdbgportshift = 20, /* debug port */
- Cdbgportmask = 0xF,
- /* Ecapio->capparms bits */
- C64 = 1<<0, /* 64-bits */
- Cpfl = 1<<1, /* program'ble frame list: can be <1024 */
- Casp = 1<<2, /* asynch. sched. park */
- Ceecpshift = 8, /* extended capabilities ptr. */
- Ceecpmask = (1<<8) - 1,
- Clegacy = 1, /* legacy support cap. id */
- CLbiossem = 2, /* legacy cap. bios sem. */
- CLossem = 3, /* legacy cap. os sem */
- CLcontrol = 4, /* legacy support control & status */
- /* typed links */
- Lterm = 1,
- Litd = 0<<1,
- Lqh = 1<<1,
- Lsitd = 2<<1,
- Lfstn = 3<<1, /* we don't use these */
- /* Cmd reg. */
- Cstop = 0x00000, /* stop running */
- Crun = 0x00001, /* start operation */
- Chcreset = 0x00002, /* host controller reset */
- Cflsmask = 0x0000C, /* frame list size bits */
- Cfls1024 = 0x00000, /* frame list size 1024 */
- Cfls512 = 0x00004, /* frame list size 512 frames */
- Cfls256 = 0x00008, /* frame list size 256 frames */
- Cpse = 0x00010, /* periodic sched. enable */
- Case = 0x00020, /* async sched. enable */
- Ciasync = 0x00040, /* interrupt on async advance doorbell */
- /* interrupt threshold ctl. in µframes (1-32 in powers of 2) */
- Citcshift = 16,
- Citcmask = 0xff << Citcshift,
- /* Sts reg. */
- Sasyncss = 0x08000, /* aync schedule status */
- Speriodss = 0x04000, /* periodic schedule status */
- Srecl = 0x02000, /* reclamnation (empty async sched.) */
- Shalted = 0x01000, /* h.c. is halted */
- Sasync = 0x00020, /* interrupt on async advance */
- Sherr = 0x00010, /* host system error */
- Sfrroll = 0x00008, /* frame list roll over */
- Sportchg = 0x00004, /* port change detect */
- Serrintr = 0x00002, /* error interrupt */
- Sintr = 0x00001, /* interrupt */
- Sintrs = 0x0003F, /* interrupts status */
- /* Intr reg. */
- Iusb = 0x01, /* intr. on usb */
- Ierr = 0x02, /* intr. on usb error */
- Iportchg = 0x04, /* intr. on port change */
- Ifrroll = 0x08, /* intr. on frlist roll over */
- Ihcerr = 0x10, /* intr. on host error */
- Iasync = 0x20, /* intr. on async advance enable */
- Iall = 0x3F, /* all interrupts */
- /* Config reg. */
- Callmine = 1, /* route all ports to us */
- /* Portsc reg. */
- Pspresent = 0x00000001, /* device present */
- Psstatuschg = 0x00000002, /* Pspresent changed */
- Psenable = 0x00000004, /* device enabled */
- Pschange = 0x00000008, /* Psenable changed */
- Psresume = 0x00000040, /* resume detected */
- Pssuspend = 0x00000080, /* port suspended */
- Psreset = 0x00000100, /* port reset */
- Pspower = 0x00001000, /* port power on */
- Psowner = 0x00002000, /* port owned by companion */
- Pslinemask = 0x00000C00, /* line status bits */
- Pslow = 0x00000400, /* low speed device */
- /* Debug port csw reg. */
- Cowner = 0x40000000, /* port owned by ehci */
- Cenable = 0x10000000, /* debug port enabled */
- Cdone = 0x00010000, /* request is done */
- Cbusy = 0x00000400, /* port in use by a driver */
- Cerrmask= 0x00000380, /* error code bits */
- Chwerr = 0x00000100, /* hardware error */
- Cterr = 0x00000080, /* transaction error */
- Cfailed = 0x00000040, /* transaction did fail */
- Cgo = 0x00000020, /* execute the transaction */
- Cwrite = 0x00000010, /* request is a write */
- Clen = 0x0000000F, /* data len */
- /* Debug port pid reg. */
- Prpidshift = 16, /* received pid */
- Prpidmask = 0xFF,
- Pspidshift = 8, /* sent pid */
- Pspidmask = 0xFF,
- Ptokshift = 0, /* token pid */
- Ptokmask = 0xFF,
- Ptoggle = 0x00008800, /* to update toggles */
- Ptogglemask = 0x0000FF00,
- /* Debug port addr reg. */
- Adevshift = 8, /* device address */
- Adevmask = 0x7F,
- Aepshift = 0, /* endpoint number */
- Aepmask = 0xF,
- };
- /*
- * Capability registers (hw)
- */
- struct Ecapio
- {
- uint32_t cap; /* 00 controller capability register */
- uint32_t parms; /* 04 structural parameters register */
- uint32_t capparms; /* 08 capability parameters */
- uint32_t portroute; /* 0c not on the CS5536 */
- };
- /*
- * Debug port registers (hw)
- */
- struct Edbgio
- {
- uint32_t csw; /* control and status */
- uint32_t pid; /* USB pid */
- unsigned char data[8]; /* data buffer */
- uint32_t addr; /* device and endpoint addresses */
- };
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