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/
usr/
src/
linux-headers-3.0.0-14/
include/
linux/
usb/
- drwxr-xr-x
|
Viewing file:  ehci_def.h (8.8 KB) -rw-r--r--Select action/file-type:  ( +) |  ( +) |  ( +) | Code ( +) | Session ( +) |  ( +) | SDB ( +) |  ( +) |  ( +) |  ( +) |  ( +) |  ( +) |
/*
* Copyright (c) 2001-2002 by David Brownell
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __LINUX_USB_EHCI_DEF_H
#define __LINUX_USB_EHCI_DEF_H
/* EHCI register interface, corresponds to EHCI Revision 0.95 specification */
/* Section 2.2 Host Controller Capability Registers */
struct ehci_caps {
/* these fields are specified as 8 and 16 bit registers,
* but some hosts can't perform 8 or 16 bit PCI accesses.
* some hosts treat caplength and hciversion as parts of a 32-bit
* register, others treat them as two separate registers, this
* affects the memory map for big endian controllers.
*/
u32 hc_capbase;
#define HC_LENGTH(ehci, p) (0x00ff&((p) >> /* bits 7:0 / offset 00h */ \
(ehci_big_endian_capbase(ehci) ? 24 : 0)))
#define HC_VERSION(ehci, p) (0xffff&((p) >> /* bits 31:16 / offset 02h */ \
(ehci_big_endian_capbase(ehci) ? 0 : 16)))
u32 hcs_params; /* HCSPARAMS - offset 0x4 */
#define HCS_DEBUG_PORT(p) (((p)>>20)&0xf) /* bits 23:20, debug port? */
#define HCS_INDICATOR(p) ((p)&(1 << 16)) /* true: has port indicators */
#define HCS_N_CC(p) (((p)>>12)&0xf) /* bits 15:12, #companion HCs */
#define HCS_N_PCC(p) (((p)>>8)&0xf) /* bits 11:8, ports per CC */
#define HCS_PORTROUTED(p) ((p)&(1 << 7)) /* true: port routing */
#define HCS_PPC(p) ((p)&(1 << 4)) /* true: port power control */
#define HCS_N_PORTS(p) (((p)>>0)&0xf) /* bits 3:0, ports on HC */
u32 hcc_params; /* HCCPARAMS - offset 0x8 */
/* EHCI 1.1 addendum */
#define HCC_32FRAME_PERIODIC_LIST(p) ((p)&(1 << 19))
#define HCC_PER_PORT_CHANGE_EVENT(p) ((p)&(1 << 18))
#define HCC_LPM(p) ((p)&(1 << 17))
#define HCC_HW_PREFETCH(p) ((p)&(1 << 16))
#define HCC_EXT_CAPS(p) (((p)>>8)&0xff) /* for pci extended caps */
#define HCC_ISOC_CACHE(p) ((p)&(1 << 7)) /* true: can cache isoc frame */
#define HCC_ISOC_THRES(p) (((p)>>4)&0x7) /* bits 6:4, uframes cached */
#define HCC_CANPARK(p) ((p)&(1 << 2)) /* true: can park on async qh */
#define HCC_PGM_FRAMELISTLEN(p) ((p)&(1 << 1)) /* true: periodic_size changes*/
#define HCC_64BIT_ADDR(p) ((p)&(1)) /* true: can use 64-bit addr */
u8 portroute[8]; /* nibbles for routing - offset 0xC */
};
/* Section 2.3 Host Controller Operational Registers */
struct ehci_regs {
/* USBCMD: offset 0x00 */
u32 command;
/* EHCI 1.1 addendum */
#define CMD_HIRD (0xf<<24) /* host initiated resume duration */
#define CMD_PPCEE (1<<15) /* per port change event enable */
#define CMD_FSP (1<<14) /* fully synchronized prefetch */
#define CMD_ASPE (1<<13) /* async schedule prefetch enable */
#define CMD_PSPE (1<<12) /* periodic schedule prefetch enable */
/* 23:16 is r/w intr rate, in microframes; default "8" == 1/msec */
#define CMD_PARK (1<<11) /* enable "park" on async qh */
#define CMD_PARK_CNT(c) (((c)>>8)&3) /* how many transfers to park for */
#define CMD_LRESET (1<<7) /* partial reset (no ports, etc) */
#define CMD_IAAD (1<<6) /* "doorbell" interrupt async advance */
#define CMD_ASE (1<<5) /* async schedule enable */
#define CMD_PSE (1<<4) /* periodic schedule enable */
/* 3:2 is periodic frame list size */
#define CMD_RESET (1<<1) /* reset HC not bus */
#define CMD_RUN (1<<0) /* start/stop HC */
/* USBSTS: offset 0x04 */
u32 status;
#define STS_PPCE_MASK (0xff<<16) /* Per-Port change event 1-16 */
#define STS_ASS (1<<15) /* Async Schedule Status */
#define STS_PSS (1<<14) /* Periodic Schedule Status */
#define STS_RECL (1<<13) /* Reclamation */
#define STS_HALT (1<<12) /* Not running (any reason) */
/* some bits reserved */
/* these STS_* flags are also intr_enable bits (USBINTR) */
#define STS_IAA (1<<5) /* Interrupted on async advance */
#define STS_FATAL (1<<4) /* such as some PCI access errors */
#define STS_FLR (1<<3) /* frame list rolled over */
#define STS_PCD (1<<2) /* port change detect */
#define STS_ERR (1<<1) /* "error" completion (overflow, ...) */
#define STS_INT (1<<0) /* "normal" completion (short, ...) */
/* USBINTR: offset 0x08 */
u32 intr_enable;
/* FRINDEX: offset 0x0C */
u32 frame_index; /* current microframe number */
/* CTRLDSSEGMENT: offset 0x10 */
u32 segment; /* address bits 63:32 if needed */
/* PERIODICLISTBASE: offset 0x14 */
u32 frame_list; /* points to periodic list */
/* ASYNCLISTADDR: offset 0x18 */
u32 async_next; /* address of next async queue head */
u32 reserved[9];
/* CONFIGFLAG: offset 0x40 */
u32 configured_flag;
#define FLAG_CF (1<<0) /* true: we'll support "high speed" */
/* PORTSC: offset 0x44 */
u32 port_status[0]; /* up to N_PORTS */
/* EHCI 1.1 addendum */
#define PORTSC_SUSPEND_STS_ACK 0
#define PORTSC_SUSPEND_STS_NYET 1
#define PORTSC_SUSPEND_STS_STALL 2
#define PORTSC_SUSPEND_STS_ERR 3
#define PORT_DEV_ADDR (0x7f<<25) /* device address */
#define PORT_SSTS (0x3<<23) /* suspend status */
/* 31:23 reserved */
#define PORT_WKOC_E (1<<22) /* wake on overcurrent (enable) */
#define PORT_WKDISC_E (1<<21) /* wake on disconnect (enable) */
#define PORT_WKCONN_E (1<<20) /* wake on connect (enable) */
/* 19:16 for port testing */
#define PORT_TEST(x) (((x)&0xf)<<16) /* Port Test Control */
#define PORT_TEST_PKT PORT_TEST(0x4) /* Port Test Control - packet test */
#define PORT_TEST_FORCE PORT_TEST(0x5) /* Port Test Control - force enable */
#define PORT_LED_OFF (0<<14)
#define PORT_LED_AMBER (1<<14)
#define PORT_LED_GREEN (2<<14)
#define PORT_LED_MASK (3<<14)
#define PORT_OWNER (1<<13) /* true: companion hc owns this port */
#define PORT_POWER (1<<12) /* true: has power (see PPC) */
#define PORT_USB11(x) (((x)&(3<<10)) == (1<<10)) /* USB 1.1 device */
/* 11:10 for detecting lowspeed devices (reset vs release ownership) */
/* 9 reserved */
#define PORT_LPM (1<<9) /* LPM transaction */
#define PORT_RESET (1<<8) /* reset port */
#define PORT_SUSPEND (1<<7) /* suspend port */
#define PORT_RESUME (1<<6) /* resume it */
#define PORT_OCC (1<<5) /* over current change */
#define PORT_OC (1<<4) /* over current active */
#define PORT_PEC (1<<3) /* port enable change */
#define PORT_PE (1<<2) /* port enable */
#define PORT_CSC (1<<1) /* connect status change */
#define PORT_CONNECT (1<<0) /* device connected */
#define PORT_RWC_BITS (PORT_CSC | PORT_PEC | PORT_OCC)
};
#define USBMODE 0x68 /* USB Device mode */
#define USBMODE_SDIS (1<<3) /* Stream disable */
#define USBMODE_BE (1<<2) /* BE/LE endianness select */
#define USBMODE_CM_HC (3<<0) /* host controller mode */
#define USBMODE_CM_IDLE (0<<0) /* idle state */
/* Moorestown has some non-standard registers, partially due to the fact that
* its EHCI controller has both TT and LPM support. HOSTPCx are extensions to
* PORTSCx
*/
#define HOSTPC0 0x84 /* HOSTPC extension */
#define HOSTPC_PHCD (1<<22) /* Phy clock disable */
#define HOSTPC_PSPD (3<<25) /* Port speed detection */
#define USBMODE_EX 0xc8 /* USB Device mode extension */
#define USBMODE_EX_VBPS (1<<5) /* VBus Power Select On */
#define USBMODE_EX_HC (3<<0) /* host controller mode */
#define TXFILLTUNING 0x24 /* TX FIFO Tuning register */
#define TXFIFO_DEFAULT (8<<16) /* FIFO burst threshold 8 */
/* Appendix C, Debug port ... intended for use with special "debug devices"
* that can help if there's no serial console. (nonstandard enumeration.)
*/
struct ehci_dbg_port {
u32 control;
#define DBGP_OWNER (1<<30)
#define DBGP_ENABLED (1<<28)
#define DBGP_DONE (1<<16)
#define DBGP_INUSE (1<<10)
#define DBGP_ERRCODE(x) (((x)>>7)&0x07)
# define DBGP_ERR_BAD 1
# define DBGP_ERR_SIGNAL 2
#define DBGP_ERROR (1<<6)
#define DBGP_GO (1<<5)
#define DBGP_OUT (1<<4)
#define DBGP_LEN(x) (((x)>>0)&0x0f)
u32 pids;
#define DBGP_PID_GET(x) (((x)>>16)&0xff)
#define DBGP_PID_SET(data, tok) (((data)<<8)|(tok))
u32 data03;
u32 data47;
u32 address;
#define DBGP_EPADDR(dev, ep) (((dev)<<8)|(ep))
};
#ifdef CONFIG_EARLY_PRINTK_DBGP
#include <linux/init.h>
extern int __init early_dbgp_init(char *s);
extern struct console early_dbgp_console;
#endif /* CONFIG_EARLY_PRINTK_DBGP */
#ifdef CONFIG_EARLY_PRINTK_DBGP
/* Call backs from ehci host driver to ehci debug driver */
extern int dbgp_external_startup(void);
extern int dbgp_reset_prep(void);
#else
static inline int dbgp_reset_prep(void)
{
return 1;
}
static inline int dbgp_external_startup(void)
{
return -1;
}
#endif
#endif /* __LINUX_USB_EHCI_DEF_H */
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