X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fusb%2Fhost%2Fehci.h;h=6aac39f50e0734d35e33f2fb3cfd5c6e2fcec627;hb=185a257f2f73bcd89050ad02da5bedbc28fc43fa;hp=18e257c2bdb5fca1006246d50636b24c01a2570e;hpb=127f2fa31ac624c744f3767363c4919209980956;p=pandora-kernel.git diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h index 18e257c2bdb5..6aac39f50e07 100644 --- a/drivers/usb/host/ehci.h +++ b/drivers/usb/host/ehci.h @@ -1,6 +1,6 @@ /* * 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 @@ -58,7 +58,6 @@ struct ehci_hcd { /* one per controller */ /* async schedule support */ struct ehci_qh *async; struct ehci_qh *reclaim; - unsigned reclaim_ready : 1; unsigned scanning : 1; /* periodic schedule support */ @@ -81,14 +80,19 @@ struct ehci_hcd { /* one per controller */ struct dma_pool *itd_pool; /* itd per iso urb */ struct dma_pool *sitd_pool; /* sitd per split iso urb */ + struct timer_list iaa_watchdog; struct timer_list watchdog; - struct notifier_block reboot_notifier; unsigned long actions; unsigned stamp; unsigned long next_statechange; u32 command; + /* SILICON QUIRKS */ unsigned is_tdi_rh_tt:1; /* TDI roothub with TT */ + unsigned no_selective_suspend:1; + unsigned has_fsl_port_bug:1; /* FreeScale */ + + u8 sbrn; /* packed release number */ /* irq statistics */ #ifdef EHCI_STATS @@ -97,10 +101,9 @@ struct ehci_hcd { /* one per controller */ #else # define COUNT(x) do {} while (0) #endif - u8 sbrn; /* packed release number */ }; -/* convert between an HCD pointer and the corresponding EHCI_HCD */ +/* convert between an HCD pointer and the corresponding EHCI_HCD */ static inline struct ehci_hcd *hcd_to_ehci (struct usb_hcd *hcd) { return (struct ehci_hcd *) (hcd->hcd_priv); @@ -111,9 +114,21 @@ static inline struct usb_hcd *ehci_to_hcd (struct ehci_hcd *ehci) } +static inline void +iaa_watchdog_start (struct ehci_hcd *ehci) +{ + WARN_ON(timer_pending(&ehci->iaa_watchdog)); + mod_timer (&ehci->iaa_watchdog, + jiffies + msecs_to_jiffies(EHCI_IAA_MSECS)); +} + +static inline void iaa_watchdog_done (struct ehci_hcd *ehci) +{ + del_timer (&ehci->iaa_watchdog); +} + enum ehci_timer_action { TIMER_IO_WATCHDOG, - TIMER_IAA_WATCHDOG, TIMER_ASYNC_SHRINK, TIMER_ASYNC_OFF, }; @@ -131,9 +146,6 @@ timer_action (struct ehci_hcd *ehci, enum ehci_timer_action action) unsigned long t; switch (action) { - case TIMER_IAA_WATCHDOG: - t = EHCI_IAA_JIFFIES; - break; case TIMER_IO_WATCHDOG: t = EHCI_IO_JIFFIES; break; @@ -150,8 +162,7 @@ timer_action (struct ehci_hcd *ehci, enum ehci_timer_action action) // async queue SHRINK often precedes IAA. while it's ready // to go OFF neither can matter, and afterwards the IO // watchdog stops unless there's still periodic traffic. - if (action != TIMER_IAA_WATCHDOG - && t > ehci->watchdog.expires + if (time_before_eq(t, ehci->watchdog.expires) && timer_pending (&ehci->watchdog)) return; mod_timer (&ehci->watchdog, t); @@ -175,8 +186,8 @@ struct ehci_caps { #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_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 */ @@ -201,7 +212,7 @@ struct ehci_regs { #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 */ +#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 */ @@ -227,9 +238,9 @@ struct ehci_regs { /* FRINDEX: offset 0x0C */ u32 frame_index; /* current microframe number */ /* CTRLDSSEGMENT: offset 0x10 */ - u32 segment; /* address bits 63:32 if needed */ + u32 segment; /* address bits 63:32 if needed */ /* PERIODICLISTBASE: offset 0x14 */ - u32 frame_list; /* points to periodic list */ + u32 frame_list; /* points to periodic list */ /* ASYNCLISTADDR: offset 0x18 */ u32 async_next; /* address of next async queue head */ @@ -298,7 +309,7 @@ struct ehci_dbg_port { /* * EHCI Specification 0.95 Section 3.5 - * QTD: describe data transfer components (buffer, direction, ...) + * QTD: describe data transfer components (buffer, direction, ...) * See Fig 3-6 "Queue Element Transfer Descriptor Block Diagram". * * These are associated only with "QH" (Queue Head) structures, @@ -308,7 +319,7 @@ struct ehci_qtd { /* first part defined by EHCI spec */ __le32 hw_next; /* see EHCI 3.5.1 */ __le32 hw_alt_next; /* see EHCI 3.5.2 */ - __le32 hw_token; /* see EHCI 3.5.3 */ + __le32 hw_token; /* see EHCI 3.5.3 */ #define QTD_TOGGLE (1 << 31) /* data toggle */ #define QTD_LENGTH(tok) (((tok)>>16) & 0x7fff) #define QTD_IOC (1 << 15) /* interrupt on complete */ @@ -345,8 +356,8 @@ struct ehci_qtd { /* values for that type tag */ #define Q_TYPE_ITD __constant_cpu_to_le32 (0 << 1) #define Q_TYPE_QH __constant_cpu_to_le32 (1 << 1) -#define Q_TYPE_SITD __constant_cpu_to_le32 (2 << 1) -#define Q_TYPE_FSTN __constant_cpu_to_le32 (3 << 1) +#define Q_TYPE_SITD __constant_cpu_to_le32 (2 << 1) +#define Q_TYPE_FSTN __constant_cpu_to_le32 (3 << 1) /* next async queue entry, or pointer to interrupt/periodic QH */ #define QH_NEXT(dma) (cpu_to_le32(((u32)dma)&~0x01f)|Q_TYPE_QH) @@ -363,7 +374,7 @@ struct ehci_qtd { * For entries in the async schedule, the type tag always says "qh". */ union ehci_shadow { - struct ehci_qh *qh; /* Q_TYPE_QH */ + struct ehci_qh *qh; /* Q_TYPE_QH */ struct ehci_itd *itd; /* Q_TYPE_ITD */ struct ehci_sitd *sitd; /* Q_TYPE_SITD */ struct ehci_fstn *fstn; /* Q_TYPE_FSTN */ @@ -393,7 +404,7 @@ struct ehci_qh { #define QH_HUBPORT 0x3f800000 #define QH_MULT 0xc0000000 __le32 hw_current; /* qtd list - see EHCI 3.6.4 */ - + /* qtd overlay (hardware parts of a struct ehci_qtd) */ __le32 hw_qtd_next; __le32 hw_alt_next; @@ -468,7 +479,7 @@ struct ehci_iso_stream { struct list_head td_list; /* queued itds/sitds */ struct list_head free_list; /* list of unused itds/sitds */ struct usb_device *udev; - struct usb_host_endpoint *ep; + struct usb_host_endpoint *ep; /* output of (re)scheduling */ unsigned long start; /* jiffies */ @@ -488,8 +499,8 @@ struct ehci_iso_stream { unsigned bandwidth; /* This is used to initialize iTD's hw_bufp fields */ - __le32 buf0; - __le32 buf1; + __le32 buf0; + __le32 buf1; __le32 buf2; /* this is used to initialize sITD's tt info */ @@ -517,7 +528,7 @@ struct ehci_itd { #define ITD_ACTIVE __constant_cpu_to_le32(EHCI_ISOC_ACTIVE) - __le32 hw_bufp [7]; /* see EHCI 3.3.3 */ + __le32 hw_bufp [7]; /* see EHCI 3.3.3 */ __le32 hw_bufp_hi [7]; /* Appendix B */ /* the rest is HCD-private */ @@ -538,7 +549,7 @@ struct ehci_itd { /*-------------------------------------------------------------------------*/ /* - * EHCI Specification 0.95 Section 3.4 + * EHCI Specification 0.95 Section 3.4 * siTD, aka split-transaction isochronous Transfer Descriptor * ... describe full speed iso xfers through TT in hubs * see Figure 3-5 "Split-transaction Isochronous Transaction Descriptor (siTD) @@ -636,6 +647,18 @@ ehci_port_speed(struct ehci_hcd *ehci, unsigned int portsc) #define ehci_port_speed(ehci, portsc) (1<has_fsl_port_bug) +#else +#define ehci_has_fsl_portno_bug(e) (0) +#endif + + /*-------------------------------------------------------------------------*/ #ifndef DEBUG