| ehci.c (203140) | ehci.c (203693) |
|---|---|
| 1/*- 2 * Copyright (c) 2008 Hans Petter Selasky. All rights reserved. 3 * Copyright (c) 2004 The NetBSD Foundation, Inc. All rights reserved. 4 * Copyright (c) 2004 Lennart Augustsson. All rights reserved. 5 * Copyright (c) 2004 Charles M. Hannum. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions --- 30 unchanged lines hidden (view full) --- 39 */ 40 41/* 42 * TODO: 43 * 1) command failures are not recovered correctly 44 */ 45 46#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2008 Hans Petter Selasky. All rights reserved. 3 * Copyright (c) 2004 The NetBSD Foundation, Inc. All rights reserved. 4 * Copyright (c) 2004 Lennart Augustsson. All rights reserved. 5 * Copyright (c) 2004 Charles M. Hannum. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions --- 30 unchanged lines hidden (view full) --- 39 */ 40 41/* 42 * TODO: 43 * 1) command failures are not recovered correctly 44 */ 45 46#include <sys/cdefs.h> |
| 47__FBSDID("$FreeBSD: head/sys/dev/usb/controller/ehci.c 203140 2010-01-29 01:30:13Z thompsa $"); | 47__FBSDID("$FreeBSD: head/sys/dev/usb/controller/ehci.c 203693 2010-02-09 00:38:40Z thompsa $"); |
| 48 49#include <sys/stdint.h> 50#include <sys/stddef.h> 51#include <sys/param.h> 52#include <sys/queue.h> 53#include <sys/types.h> 54#include <sys/systm.h> 55#include <sys/kernel.h> --- 31 unchanged lines hidden (view full) --- 87 88#define EHCI_BUS2SC(bus) \ 89 ((ehci_softc_t *)(((uint8_t *)(bus)) - \ 90 ((uint8_t *)&(((ehci_softc_t *)0)->sc_bus)))) 91 92#if USB_DEBUG 93static int ehcidebug = 0; 94static int ehcinohighspeed = 0; | 48 49#include <sys/stdint.h> 50#include <sys/stddef.h> 51#include <sys/param.h> 52#include <sys/queue.h> 53#include <sys/types.h> 54#include <sys/systm.h> 55#include <sys/kernel.h> --- 31 unchanged lines hidden (view full) --- 87 88#define EHCI_BUS2SC(bus) \ 89 ((ehci_softc_t *)(((uint8_t *)(bus)) - \ 90 ((uint8_t *)&(((ehci_softc_t *)0)->sc_bus)))) 91 92#if USB_DEBUG 93static int ehcidebug = 0; 94static int ehcinohighspeed = 0; |
| 95static int ehciiaadbug = 0; 96static int ehcilostintrbug = 0; |
|
| 95 96SYSCTL_NODE(_hw_usb, OID_AUTO, ehci, CTLFLAG_RW, 0, "USB ehci"); 97SYSCTL_INT(_hw_usb_ehci, OID_AUTO, debug, CTLFLAG_RW, 98 &ehcidebug, 0, "Debug level"); 99SYSCTL_INT(_hw_usb_ehci, OID_AUTO, no_hs, CTLFLAG_RW, 100 &ehcinohighspeed, 0, "Disable High Speed USB"); | 97 98SYSCTL_NODE(_hw_usb, OID_AUTO, ehci, CTLFLAG_RW, 0, "USB ehci"); 99SYSCTL_INT(_hw_usb_ehci, OID_AUTO, debug, CTLFLAG_RW, 100 &ehcidebug, 0, "Debug level"); 101SYSCTL_INT(_hw_usb_ehci, OID_AUTO, no_hs, CTLFLAG_RW, 102 &ehcinohighspeed, 0, "Disable High Speed USB"); |
| 103SYSCTL_INT(_hw_usb_ehci, OID_AUTO, iaadbug, CTLFLAG_RW, 104 &ehciiaadbug, 0, "Enable doorbell bug workaround"); 105SYSCTL_INT(_hw_usb_ehci, OID_AUTO, lostintrbug, CTLFLAG_RW, 106 &ehcilostintrbug, 0, "Enable lost interrupt bug workaround"); |
|
| 101 102TUNABLE_INT("hw.usb.ehci.debug", &ehcidebug); 103TUNABLE_INT("hw.usb.ehci.no_hs", &ehcinohighspeed); | 107 108TUNABLE_INT("hw.usb.ehci.debug", &ehcidebug); 109TUNABLE_INT("hw.usb.ehci.no_hs", &ehcinohighspeed); |
| 110TUNABLE_INT("hw.usb.ehci.iaadbug", &ehciiaadbug); 111TUNABLE_INT("hw.usb.ehci.lostintrbug", &ehcilostintrbug); |
|
| 104 105static void ehci_dump_regs(ehci_softc_t *sc); 106static void ehci_dump_sqh(ehci_softc_t *sc, ehci_qh_t *sqh); 107 108#endif 109 110#define EHCI_INTR_ENDPT 1 111 --- 134 unchanged lines hidden (view full) --- 246 usb_error_t err = 0; 247 248 DPRINTF("start\n"); 249 250 usb_callout_init_mtx(&sc->sc_tmo_pcd, &sc->sc_bus.bus_mtx, 0); 251 usb_callout_init_mtx(&sc->sc_tmo_poll, &sc->sc_bus.bus_mtx, 0); 252 253#if USB_DEBUG | 112 113static void ehci_dump_regs(ehci_softc_t *sc); 114static void ehci_dump_sqh(ehci_softc_t *sc, ehci_qh_t *sqh); 115 116#endif 117 118#define EHCI_INTR_ENDPT 1 119 --- 134 unchanged lines hidden (view full) --- 254 usb_error_t err = 0; 255 256 DPRINTF("start\n"); 257 258 usb_callout_init_mtx(&sc->sc_tmo_pcd, &sc->sc_bus.bus_mtx, 0); 259 usb_callout_init_mtx(&sc->sc_tmo_poll, &sc->sc_bus.bus_mtx, 0); 260 261#if USB_DEBUG |
| 262 if (ehciiaadbug) 263 sc->sc_flags |= EHCI_SCFLG_IAADBUG; 264 if (ehcilostintrbug) 265 sc->sc_flags |= EHCI_SCFLG_LOSTINTRBUG; |
|
| 254 if (ehcidebug > 2) { 255 ehci_dump_regs(sc); 256 } 257#endif 258 259 sc->sc_offs = EREAD1(sc, EHCI_CAPLENGTH); 260 261 version = EREAD2(sc, EHCI_HCIVERSION); --- 2013 unchanged lines hidden (view full) --- 2275 uint32_t temp; 2276 2277 /* setup TD's and QH */ 2278 ehci_setup_standard_chain(xfer, &sc->sc_async_p_last); 2279 2280 /* put transfer on interrupt queue */ 2281 ehci_transfer_intr_enqueue(xfer); 2282 | 266 if (ehcidebug > 2) { 267 ehci_dump_regs(sc); 268 } 269#endif 270 271 sc->sc_offs = EREAD1(sc, EHCI_CAPLENGTH); 272 273 version = EREAD2(sc, EHCI_HCIVERSION); --- 2013 unchanged lines hidden (view full) --- 2287 uint32_t temp; 2288 2289 /* setup TD's and QH */ 2290 ehci_setup_standard_chain(xfer, &sc->sc_async_p_last); 2291 2292 /* put transfer on interrupt queue */ 2293 ehci_transfer_intr_enqueue(xfer); 2294 |
| 2295 /* 2296 * XXX Certain nVidia chipsets choke when using the IAAD 2297 * feature too frequently. 2298 */ 2299 if (sc->sc_flags & EHCI_SCFLG_IAADBUG) 2300 return; 2301 |
|
| 2283 /* XXX Performance quirk: Some Host Controllers have a too low 2284 * interrupt rate. Issue an IAAD to stimulate the Host 2285 * Controller after queueing the BULK transfer. 2286 */ 2287 temp = EOREAD4(sc, EHCI_USBCMD); 2288 if (!(temp & EHCI_CMD_IAAD)) 2289 EOWRITE4(sc, EHCI_USBCMD, temp | EHCI_CMD_IAAD); 2290} --- 1611 unchanged lines hidden --- | 2302 /* XXX Performance quirk: Some Host Controllers have a too low 2303 * interrupt rate. Issue an IAAD to stimulate the Host 2304 * Controller after queueing the BULK transfer. 2305 */ 2306 temp = EOREAD4(sc, EHCI_USBCMD); 2307 if (!(temp & EHCI_CMD_IAAD)) 2308 EOWRITE4(sc, EHCI_USBCMD, temp | EHCI_CMD_IAAD); 2309} --- 1611 unchanged lines hidden --- |