diff options
Diffstat (limited to 'recipes/linux/linux/simpad/linux-2.6.21-SIMpad-usb-gadget.patch')
| -rw-r--r-- | recipes/linux/linux/simpad/linux-2.6.21-SIMpad-usb-gadget.patch | 3329 |
1 files changed, 3329 insertions, 0 deletions
diff --git a/recipes/linux/linux/simpad/linux-2.6.21-SIMpad-usb-gadget.patch b/recipes/linux/linux/simpad/linux-2.6.21-SIMpad-usb-gadget.patch new file mode 100644 index 0000000000..00d062bd7d --- /dev/null +++ b/recipes/linux/linux/simpad/linux-2.6.21-SIMpad-usb-gadget.patch @@ -0,0 +1,3329 @@ +diff -uNr linux-2.6.21.vanilla/drivers/usb/gadget/Kconfig linux-2.6.21/drivers/usb/gadget/Kconfig +--- linux-2.6.21.vanilla/drivers/usb/gadget/Kconfig 2007-04-26 05:08:32.000000000 +0200 ++++ linux-2.6.21/drivers/usb/gadget/Kconfig 2007-06-05 11:58:28.000000000 +0200 +@@ -205,6 +205,21 @@ + depends on USB_GADGET_AT91 + default USB_GADGET + ++config USB_GADGET_SA1100 ++ boolean "SA1100 USB Device Port" ++ depends on ARCH_SA1100 ++ select USB_GADGET_SELECTED ++ help ++ ++ Say "y" to link the driver statically, or "m" to build a ++ dynamically linked module called "sa1100_udc" and force all ++ gadget drivers to also be dynamically linked. ++ ++config USB_SA1100 ++ tristate ++ depends on USB_GADGET_SA1100 ++ default USB_GADGET ++ + config USB_GADGET_DUMMY_HCD + boolean "Dummy HCD (DEVELOPMENT)" + depends on (USB=y || (USB=m && USB_GADGET=m)) && EXPERIMENTAL +diff -uNr linux-2.6.21.vanilla/drivers/usb/gadget/Makefile linux-2.6.21/drivers/usb/gadget/Makefile +--- linux-2.6.21.vanilla/drivers/usb/gadget/Makefile 2007-04-26 05:08:32.000000000 +0200 ++++ linux-2.6.21/drivers/usb/gadget/Makefile 2007-06-05 11:58:28.000000000 +0200 +@@ -8,6 +8,7 @@ + obj-$(CONFIG_USB_OMAP) += omap_udc.o + obj-$(CONFIG_USB_LH7A40X) += lh7a40x_udc.o + obj-$(CONFIG_USB_AT91) += at91_udc.o ++obj-$(CONFIG_USB_SA1100) += sa1100_udc.o + + # + # USB gadget drivers +diff -uNr linux-2.6.21.vanilla/drivers/usb/gadget/ether.c linux-2.6.21/drivers/usb/gadget/ether.c +--- linux-2.6.21.vanilla/drivers/usb/gadget/ether.c 2007-04-26 05:08:32.000000000 +0200 ++++ linux-2.6.21/drivers/usb/gadget/ether.c 2007-06-05 11:59:24.000000000 +0200 +@@ -1456,7 +1456,7 @@ + goto done_set_intf; + } + +-#ifdef DEV_CONFIG_CDC ++//#ifdef DEV_CONFIG_CDC + switch (wIndex) { + case 0: /* control/master intf */ + if (wValue != 0) +@@ -1498,12 +1498,12 @@ + value = 0; + break; + } +-#else ++//#else + /* FIXME this is wrong, as is the assumption that + * all non-PXA hardware talks real CDC ... + */ +- dev_warn (&gadget->dev, "set_interface ignored!\n"); +-#endif /* DEV_CONFIG_CDC */ ++// dev_warn (&gadget->dev, "set_interface ignored!\n"); ++//#endif /* DEV_CONFIG_CDC */ + + done_set_intf: + spin_unlock (&dev->lock); +diff -uNr linux-2.6.21.vanilla/drivers/usb/gadget/sa1100_udc.c linux-2.6.21/drivers/usb/gadget/sa1100_udc.c +--- linux-2.6.21.vanilla/drivers/usb/gadget/sa1100_udc.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.21/drivers/usb/gadget/sa1100_udc.c 2007-06-05 11:58:29.000000000 +0200 +@@ -0,0 +1,2591 @@ ++/* ++ * SA1100 USB Device Controller (UDC) driver. ++ * ++ * Copyright (C) Compaq Computer Corporation, 1998, 1999 ++ * Copyright (C) Extenex Corporation, 2001 ++ * Copyright (C) David Brownell, 2003 ++ * Copyright (C) Nick Bane, 2005, 2006 ++ * Many fragments from pxa2xx_udc.c and mach-sa1100 driver with various ++ * GPL Copyright authors incl Russel king and Nicolas Pitre ++ * Port to 2.6.12 by N C Bane ++ * ++ * This file provides interrupt routing and overall coordination for the ++ * sa1100 USB endpoints: ep0, ep1out-bulk, ep2out-bulk, as well as device ++ * initialization and some parts of USB "Chapter 9" device behavior. ++ * ++ * It implements the "USB gadget controller" API, abstracting most hardware ++ * details so that drivers running on top of this API are mostly independent ++ * of hardware. A key exception is that ep0 logic needs to understand which ++ * endpoints a given controller has, and their capabilities. Also, hardware ++ * that doesn't fully support USB (like sa1100) may need workarounds in the ++ * protocols implemented by device functions. ++ * ++ * See linux/Documentation/arm/SA1100/SA1100_USB for more info, or the ++ * kerneldoc for the API exposed to gadget drivers. ++ * ++ */ ++#define DEBUG 1 ++#define VERBOSE 1 ++ ++//#define SA1100_USB_DEBUG ++#ifdef SA1100_USB_DEBUG ++static int sa1100_usb_debug=0; ++#endif ++ ++#define NCB_DMA_FIX ++#ifdef NCB_DMA_FIX ++#include <linux/slab.h> ++#define SEND_BUFFER_SIZE 4096 /* this is probably a bit big */ ++#define RECEIVE_BUFFER_SIZE 256 /* 64 may be all that is necessary */ ++static char *send_buffer=NULL; ++static char *receive_buffer=NULL; ++#endif ++ ++#include <linux/module.h> ++#include <linux/kernel.h> ++#include <linux/delay.h> ++#include <linux/ioport.h> ++#include <linux/sched.h> ++#include <linux/slab.h> ++#include <linux/smp_lock.h> ++#include <linux/errno.h> ++#include <linux/init.h> ++#include <linux/timer.h> ++#include <linux/list.h> ++#include <linux/interrupt.h> ++#include <linux/version.h> ++#include <linux/device.h> ++#include <linux/platform_device.h> ++ ++#include <asm/byteorder.h> ++#include <asm/io.h> ++#include <asm/irq.h> ++#include <asm/dma.h> ++#include <asm/system.h> ++#include <asm/mach-types.h> ++#include <asm/unaligned.h> ++ ++#include <linux/usb.h>
++#include <linux/usb_ch9.h> ++#include <linux/usb_gadget.h> ++ ++#if CONFIG_PROC_FS
++#include <linux/proc_fs.h> ++#endif ++ ++#if defined(CONFIG_SA1100_BALLOON) ++#include <asm/arch/balloon.h> ++#endif ++ ++#define DRIVER_VERSION __DATE__ ++ ++#define DMA_ADDR_INVALID (~(dma_addr_t)0) ++ ++ ++static const char driver_name [] = "sa1100_udc"; ++static const char driver_desc [] = "SA-1110 USB Device Controller"; ++ ++static const char ep0name [] = "ep0"; ++ ++#ifdef DEBUG ++static char *type_string (u8 bmAttributes) ++{ ++ switch ( (bmAttributes) & USB_ENDPOINT_XFERTYPE_MASK) { ++ case USB_ENDPOINT_XFER_BULK: return "bulk"; ++ //case USB_ENDPOINT_XFER_ISOC: return "iso"; ++ case USB_ENDPOINT_XFER_INT: return "intr"; ++ }; ++ return "control"; ++} ++#endif ++ ++#include <linux/dma-mapping.h> ++struct usb_stats_t { ++ unsigned long ep0_fifo_write_failures; ++ unsigned long ep0_bytes_written; ++ unsigned long ep0_fifo_read_failures; ++ unsigned long ep0_bytes_read; ++}; ++ ++struct usb_info_t ++{ ++ dma_regs_t *dmaregs_tx, *dmaregs_rx; ++ int state; ++ unsigned char address; ++ struct usb_stats_t stats; ++}; ++ ++enum { kError=-1, kEvSuspend=0, kEvReset=1, ++ kEvResume=2, kEvAddress=3, kEvConfig=4, kEvDeConfig=5 }; ++int usbctl_next_state_on_event( int event ) { ++ return 0; ++} ++static struct usb_info_t usbd_info; ++ ++/* receiver */ ++void ep1_reset(void); ++void ep1_stall(void); ++int sa1100_usb_recv (struct usb_request *req, void (*callback) (int,int)); ++ ++/* xmitter */ ++void ep2_reset(void); ++void ep2_stall(void); ++int sa1100_usb_send (struct usb_request *req, void (*callback) (int,int)); ++ ++/* UDC register utility functions */ ++#define UDC_write(reg, val) { \ ++ int i = 10000; \ ++ do { \ ++ (reg) = (val); \ ++ if (i-- <= 0) { \ ++ printk( "%s [%d]: write %#x to %p (%#x) failed\n", \ ++ __FUNCTION__, __LINE__, (val), &(reg), (reg)); \ ++ break; \ ++ } \ ++ } while((reg) != (val)); \ ++} ++ ++#define UDC_set(reg, val) { \ ++ int i = 10000; \ ++ do { \ ++ (reg) |= (val); \ ++ if (i-- <= 0) { \ ++ printk( "%s [%d]: set %#x of %p (%#x) failed\n", \ ++ __FUNCTION__, __LINE__, (val), &(reg), (reg)); \ ++ break; \ ++ } \ ++ } while(!((reg) & (val))); \ ++} ++ ++#define UDC_clear(reg, val) { \ ++ int i = 10000; \ ++ do { \ ++ (reg) &= ~(val); \ ++ if (i-- <= 0) { \ ++ printk( "%s [%d]: clear %#x of %p (%#x) failed\n", \ ++ __FUNCTION__, __LINE__, (val), &(reg), (reg)); \ ++ break; \ ++ } \ ++ } while((reg) & (val)); \ ++} ++ ++#define UDC_flip(reg, val) { \ ++ int i = 10000; \ ++ (reg) = (val); \ ++ do { \ ++ (reg) = (val); \ ++ if (i-- <= 0) { \ ++ printk( "%s [%d]: flip %#x of %p (%#x) failed\n", \ ++ __FUNCTION__, __LINE__, (val), &(reg), (reg)); \ ++ break; \ ++ } \ ++ } while(((reg) & (val))); \ ++} ++ ++#include "sa1100_udc.h" ++ ++static struct sa1100_udc *the_controller; ++static void nuke (struct sa1100_ep *, int status); ++static void done (struct sa1100_ep *ep, struct sa1100_request *req, int status); ++static inline void ep0_idle (struct sa1100_udc *dev) ++{ ++ dev->ep0state = EP0_IDLE; ++} ++ ++// ep0 handlers ++ ++// 1 == lots of trace noise, 0 = only "important' stuff ++//#define VERBOSITY 1 ++ ++#ifndef MIN ++#define MIN( a, b ) ((a)<(b)?(a):(b)) ++#endif ++ ++#if 1 && !defined( ASSERT ) ++# define ASSERT(expr) \ ++ if(!(expr)) { \ ++ printk( "Assertion failed! %s,%s,%s,line=%d\n",\ ++ #expr,__FILE__,__FUNCTION__,__LINE__); \ ++ } ++#else ++# define ASSERT(expr) ++#endif ++ ++#if VERBOSITY ++#define PRINTKD(fmt, args...) printk( fmt , ## args) ++#else ++#define PRINTKD(fmt, args...) ++#endif ++ ++/* USB Device Requests */ ++typedef struct ++{ ++ __u8 bmRequestType; ++ __u8 bRequest; ++ __u16 wValue; ++ __u16 wIndex; ++ __u16 wLength; ++} usb_dev_request_t __attribute__ ((packed)); ++ ++/* other subroutines */ ++unsigned int (*wrint)(void); ++void ep0_int_hndlr( void ); ++static void ep0_queue(void *buf, unsigned int req, unsigned int act); ++static void write_fifo( void ); ++static int read_fifo( struct usb_ctrlrequest * p ); ++ ++/* some voodo helpers 01Mar01ww */ ++static void set_cs_bits( __u32 set_bits ); ++static void set_de( void ); ++static void set_ipr( void ); ++static void set_ipr_and_de( void ); ++static bool clear_opr( void ); ++ ++/*************************************************************************** ++Inline Helpers ++***************************************************************************/ ++ ++/* Data extraction from usb_request_t fields */ ++enum { kTargetDevice=0, kTargetInterface=1, kTargetEndpoint=2 }; ++static inline int request_target( __u8 b ) { return (int) ( b & 0x0F); } ++ ++static inline int windex_to_ep_num( __u16 w ) { return (int) ( w & 0x000F); } ++inline int type_code_from_request( __u8 by ) { return (( by >> 4 ) & 3); } ++ ++/* following is hook for self-powered flag in GET_STATUS. Some devices ++ .. might like to override and return real info */ ++static inline bool self_powered_hook( void ) { return true; } ++ ++#if VERBOSITY ++/* "pcs" == "print control status" */ ++static inline void pcs( void ) ++{ ++ __u32 foo = Ser0UDCCS0; ++ printk( "%8.8X: %s %s %s %s\n", ++ foo, ++ foo & UDCCS0_SE ? "SE" : "", ++ foo & UDCCS0_OPR ? "OPR" : "", ++ foo & UDCCS0_IPR ? "IPR" : "", ++ foo & UDCCS0_SST ? "SST" : "" ++ ); ++} ++static inline void preq( struct usb_ctrlrequest * pReq ) ++{ ++ static char * tnames[] = { "dev", "intf", "ep", "oth" }; ++ static char * rnames[] = { "std", "class", "vendor", "???" }; ++ char * psz; ++ switch( pReq->bRequest ) { ++ case USB_REQ_GET_STATUS: psz = "get stat"; break; ++ case USB_REQ_CLEAR_FEATURE: psz = "clr feat"; break; ++ case USB_REQ_SET_FEATURE: psz = "set feat"; break; ++ case USB_REQ_SET_ADDRESS: psz = "set addr"; break; ++ case USB_REQ_GET_DESCRIPTOR: psz = "get desc"; break; ++ case USB_REQ_SET_DESCRIPTOR: psz = "set desc"; break; ++ case USB_REQ_GET_CONFIGURATION: psz = "get cfg"; break; ++ case USB_REQ_SET_CONFIGURATION: psz = "set cfg"; break; ++ case USB_REQ_GET_INTERFACE: psz = "get intf"; break; ++ case USB_REQ_SET_INTERFACE: psz = "set intf"; break; ++ default: psz = "unknown"; break; ++ } ++ printk( "- [%s: %s req to %s. dir=%s]\n", psz, ++ rnames[ (pReq->bRequestType >> 5) & 3 ], ++ tnames[ pReq->bRequestType & 3 ], ++ ( pReq->bRequestType & 0x80 ) ? "in" : "out" ); ++} ++ ++static inline void usbctl_dump_request(const char *prefix, const struct usb_ctrlrequest *req) ++{ ++ printk("%s: bRequestType=0x%02x bRequest=0x%02x " ++ "wValue=0x%04x wIndex=0x%04x wLength=0x%04x\n", ++ prefix, req->bRequestType, req->bRequest, ++ le16_to_cpu(req->wValue), le16_to_cpu(req->wIndex), ++ le16_to_cpu(req->wLength)); ++} ++#else ++static inline void pcs( void ){} ++//static inline void preq( void ){} ++static inline void preq( void *x ){} ++static inline void usbctl_dump_request(const char *prefix, const struct usb_ctrlrequest *req) {} ++#endif ++ ++/*************************************************************************** ++Globals ++***************************************************************************/ ++static const char pszMe[] = "usbep0: "; ++ ++ ++/* global write struct to keep write ++ ..state around across interrupts */ ++static struct { ++ unsigned char *p; ++ int bytes_left; ++} wr; ++ ++/*************************************************************************** ++Public Interface ++***************************************************************************/ ++ ++/* reset received from HUB (or controller just went nuts and reset by itself!) ++ so udc core has been reset, track this state here */ ++void ++ep0_reset(void) ++{ ++ /* reset state machine */ ++ wr.p = NULL; ++ wr.bytes_left = 0; ++ usbd_info.address=0; ++// needed? Ser0UDCAR = 0; ++} ++ ++ ++/* handle interrupt for endpoint zero */ ++ ++inline void ep0_clear_write(void) { ++ wr.p=NULL; ++ wr.bytes_left=0; ++} ++ ++/* this is a config packet parser based on that from the updated HH 2.6 udc */ ++static void ++ep0_read_packet( void ) ++{ ++ unsigned char status_buf[2]; /* returned in GET_STATUS */ ++ struct usb_ctrlrequest req; ++ int request_type; ++ int n; ++ __u32 address; ++ ++ /* reset previous count */ ++ the_controller->ep0_req_len=-1; ++ ++ /* read the setup request */ ++ n = read_fifo( &req ); ++ usbctl_dump_request("ep0_read_packet",&req); ++ ++ if ( n != sizeof( req ) ) { ++ printk( "%ssetup begin: fifo READ ERROR wanted %d bytes got %d. " ++ " Stalling out...\n", ++ pszMe, sizeof( req ), n ); ++ /* force stall, serviced out */ ++ set_cs_bits( UDCCS0_FST | UDCCS0_SO ); ++ goto sh_sb_end; ++ } ++ ++ /* Is it a standard request? (not vendor or class request) */ ++ request_type = type_code_from_request( req.bRequestType ); ++ if ( request_type != 0 ) { ++ printk( "%ssetup begin: unsupported bRequestType: %d ignored\n", ++ pszMe, request_type ); ++ set_cs_bits( UDCCS0_DE | UDCCS0_SO ); ++ goto sh_sb_end; ++ } ++ ++ /* save requested reply size */ ++ the_controller->ep0_req_len=le16_to_cpu(req.wLength); ++ PRINTKD("%s: request length is %d\n",__FUNCTION__,the_controller->ep0_req_len); ++ ++#if VERBOSITY ++ { ++ unsigned char * pdb = (unsigned char *) &req; ++ PRINTKD( "%2.2X %2.2X %2.2X %2.2X %2.2X %2.2X %2.2X %2.2X ", ++ pdb[0], pdb[1], pdb[2], pdb[3], pdb[4], pdb[5], pdb[6], pdb[7] ++ ); ++ preq( &req ); ++ } ++#endif ++ ++ /* Handle it */ ++ switch( req.bRequest ) { ++ ++ /* This first bunch have no data phase */ ++ ++ case USB_REQ_SET_ADDRESS: ++ address = (__u32) (req.wValue & 0x7F); ++ /* when SO and DE sent, UDC will enter status phase and ack, ++ ..propagating new address to udc core. Next control transfer ++ ..will be on the new address. You can't see the change in a ++ ..read back of CAR until then. (about 250us later, on my box). ++ ..The original Intel driver sets S0 and DE and code to check ++ ..that address has propagated here. I tried this, but it ++ ..would only work sometimes! The rest of the time it would ++ ..never propagate and we'd spin forever. So now I just set ++ ..it and pray... ++ */ ++ Ser0UDCAR = address; ++ usbd_info.address = address; ++ usbctl_next_state_on_event( kEvAddress ); ++ set_cs_bits( UDCCS0_SO | UDCCS0_DE ); /* no data phase */ ++ printk( "%sI have been assigned address: %d\n", pszMe, address ); ++ break; ++ ++ ++ case USB_REQ_SET_CONFIGURATION: ++ if ( req.wValue == 1 ) { ++ /* configured */ ++ if (usbctl_next_state_on_event( kEvConfig ) != kError) { ++ /* (re)set the out and in max packet sizes */ ++ PRINTKD( "%s: calling the_controller.driver->setup with SET_CONFIGURATION\n", __FUNCTION__ ); ++ the_controller->driver->setup(&the_controller->gadget, &req); ++ __u32 in = __le16_to_cpu( the_controller->ep[1].ep.maxpacket ); ++ __u32 out = __le16_to_cpu( the_controller->ep[2].ep.maxpacket ); ++ Ser0UDCOMP = ( out - 1 ); ++ Ser0UDCIMP = ( in - 1 ); ++ // we are configured ++ usbd_info.state = USB_STATE_CONFIGURED; ++ // enable rx and tx interrupts ++ Ser0UDCCR &= ~(UDCCR_RIM | UDCCR_TIM); ++ ++ printk( "%sConfigured (OMP=%8.8X IMP=%8.8X)\n", pszMe, out, in ); ++ break; ++ } ++ } else if ( req.wValue == 0 ) { ++ /* de-configured */ ++ if (usbctl_next_state_on_event( kEvDeConfig ) != kError ) ++ printk( "%sDe-Configured\n", pszMe ); ++ usbd_info.state = 0; ++ Ser0UDCCR |= UDCCR_RIM | UDCCR_TIM; ++ ep1_reset (); ++ ep2_reset (); ++ printk("%s: de-configured. Tx and Rx interrupts disabled. ep1 and ep2 reset\n",__FUNCTION__); ++ } else { ++ printk( "%ssetup phase: Unknown " ++ "\"set configuration\" data %d\n", ++ pszMe, req.wValue ); ++ } ++ set_cs_bits( UDCCS0_SO | UDCCS0_DE ); /* no data phase */ ++ break; ++ ++ case USB_REQ_CLEAR_FEATURE: ++ /* could check data length, direction...26Jan01ww */ ++ if ( req.wValue == 0 ) { /* clearing ENDPOINT_HALT/STALL */ ++ int ep = windex_to_ep_num( req.wIndex ); ++ if ( ep == 1 ) { ++ printk( "%sclear feature \"endpoint halt\" " ++ " on receiver\n", pszMe ); ++ ep1_reset(); ++ } ++ else if ( ep == 2 ) { ++ printk( "%sclear feature \"endpoint halt\" " ++ "on xmitter\n", pszMe ); ++ ep2_reset(); ++ } else { ++ printk( "%sclear feature \"endpoint halt\" " ++ "on unsupported ep # %d\n", ++ pszMe, ep ); ++ } ++ } else { ++ printk( "%sUnsupported feature selector (%d) " ++ "in clear feature. Ignored.\n" , ++ pszMe, req.wValue ); ++ } ++ set_cs_bits( UDCCS0_SO | UDCCS0_DE ); /* no data phase */ ++ break; ++ ++ case USB_REQ_SET_FEATURE: ++ if ( req.wValue == 0 ) { /* setting ENDPOINT_HALT/STALL */ ++ int ep = windex_to_ep_num( req.wValue ); ++ if ( ep == 1 ) { ++ printk( "%set feature \"endpoint halt\" " ++ "on receiver\n", pszMe ); ++ ep1_stall(); ++ } ++ else if ( ep == 2 ) { ++ printk( "%sset feature \"endpoint halt\" " ++ " on xmitter\n", pszMe ); ++ ep2_stall(); ++ } else { ++ printk( "%sset feature \"endpoint halt\" " ++ "on unsupported ep # %d\n", ++ pszMe, ep ); ++ } ++ } ++ else { ++ printk( "%sUnsupported feature selector " ++ "(%d) in set feature\n", ++ pszMe, req.wValue ); ++ } ++ set_cs_bits( UDCCS0_SO | UDCCS0_DE ); /* no data phase */ ++ break; ++ ++ /* The rest have a data phase that writes back to the host */ ++ case USB_REQ_GET_STATUS: ++ /* return status bit flags */ ++ status_buf[0] = status_buf[1] = 0; ++ n = request_target(req.bRequestType); ++ switch( n ) { ++ case kTargetDevice: ++ if ( self_powered_hook() ) ++ status_buf[0] |= 1; ++ break; ++ case kTargetInterface: ++ break; ++ case kTargetEndpoint: ++ /* return stalled bit */ ++ n = windex_to_ep_num( req.wIndex ); ++ if ( n == 1 ) ++ status_buf[0] |= (Ser0UDCCS1 & UDCCS1_FST) >> 4; ++ else if ( n == 2 ) ++ status_buf[0] |= (Ser0UDCCS2 & UDCCS2_FST) >> 5; ++ else { ++ printk( "%sUnknown endpoint (%d) " ++ "in GET_STATUS\n", pszMe, n ); ++ } ++ break; ++ default: ++ printk( "%sUnknown target (%d) in GET_STATUS\n", ++ pszMe, n ); ++ /* fall thru */ ++ break; ++ } ++ PRINTKD("%s: GET_STATUS writing %d\n",__FUNCTION__,req.wLength); ++ ep0_queue( status_buf, req.wLength, sizeof( status_buf )); ++ break; ++ case USB_REQ_GET_DESCRIPTOR: ++ PRINTKD( "%s: calling the_controller.driver->setup with GET_DESCRIPTOR\n", __FUNCTION__ ); ++ the_controller->driver->setup(&the_controller->gadget, &req); ++ break; ++ case USB_REQ_GET_CONFIGURATION: ++ PRINTKD( "%s: calling the_controller.driver->setup with GET_CONFIGURATION\n", __FUNCTION__ ); ++ the_controller->driver->setup(&the_controller->gadget, &req); ++ break; ++ case USB_REQ_GET_INTERFACE: ++ PRINTKD( "%s: calling the_controller->driver->setup with GET_INTERFACE\n", __FUNCTION__ ); ++ the_controller->driver->setup(&the_controller->gadget, &req); ++ break; ++ case USB_REQ_SET_INTERFACE: ++ PRINTKD( "%s: calling the_controller->driver->setup with SET_INTERFACE\n", __FUNCTION__ ); ++ the_controller->driver->setup(&the_controller->gadget, &req); ++ break; ++ default : ++ printk("%sunknown request 0x%x\n", pszMe, req.bRequest); ++ break; ++ } /* switch( bRequest ) */ ++ ++sh_sb_end: ++ return; ++ ++} ++ ++void ++ep0_int_hndlr( void ) ++{ ++ u32 cs_reg_in; ++ ++ pcs(); ++ ++ cs_reg_in = Ser0UDCCS0; ++ ++ ++ /* ++ * If "setup end" has been set, the usb controller has terminated ++ * a setup transaction before we set DE. This happens during ++ * enumeration with some hosts. For example, the host will ask for ++ * our device descriptor and specify a return of 64 bytes. When we ++ * hand back the first 8, the host will know our max packet size ++ * and turn around and issue a new setup immediately. This causes ++ * the UDC to auto-ack the new setup and set SE. We must then ++ * "unload" (process) the new setup, which is what will happen ++ * after this preamble is finished executing. ++ */ ++ if (cs_reg_in & UDCCS0_SE) { ++ PRINTKD("UDC: early termination of setup\n"); ++ ++ /* ++ * Clear setup end ++ */ ++ set_cs_bits(UDCCS0_SSE); ++ ++ /* ++ * Clear any pending write. ++ */ ++ ep0_clear_write(); ++ } ++ ++ /* ++ * UDC sent a stall due to a protocol violation. ++ */ ++ if (cs_reg_in & UDCCS0_SST) { ++// usb->ep0_stall_sent++; ++ ++ PRINTKD("UDC: write_preamble: UDC sent stall\n"); ++ ++ /* ++ * Clear sent stall ++ */ ++ set_cs_bits(UDCCS0_SST); ++ ++ /* ++ * Clear any pending write. ++ */ ++ ep0_clear_write(); ++ } ++ ++ switch (cs_reg_in & (UDCCS0_OPR | UDCCS0_IPR)) { ++ case UDCCS0_OPR | UDCCS0_IPR: ++ PRINTKD("UDC: write_preamble: see OPR. Stopping write to " ++ "handle new SETUP\n"); ++ ++ /* ++ * very rarely, you can get OPR and ++ * leftover IPR. Try to clear ++ */ ++ UDC_clear(Ser0UDCCS0, UDCCS0_IPR); ++ ++ /* ++ * Clear any pending write. ++ */ ++ ep0_clear_write(); ++ ++ /*FALLTHROUGH*/ ++ case UDCCS0_OPR: ++ /* ++ * A new setup request is pending. Handle ++ * it. Note that we don't try to read a ++ * packet if SE was set and OPR is clear. ++ */ ++ ep0_read_packet(); ++ break; ++ ++ case 0: ++ // if data pending ... ++ if (wr.p) { ++ unsigned int cs_bits = 0; ++ if (wr.bytes_left != 0) { ++ /* ++ * More data to go ++ */ ++ write_fifo(); ++ // packet ready ++ cs_bits |= UDCCS0_IPR; ++ } ++ ++ if (wr.bytes_left == 0) { ++ /* ++ * All data sent. ++ */ ++ cs_bits |= wrint(); ++ // a null packet may be following ++ if (!wrint) ++ ep0_clear_write(); ++ } ++ set_cs_bits(cs_bits); ++ } ++ else ++ PRINTKD("%s: No data - probably an ACK\n",__FUNCTION__); ++ break; ++ ++ case UDCCS0_IPR: ++ PRINTKD("UDC: IPR set, not writing\n"); ++// usb->ep0_early_irqs++; ++ break; ++ } ++ ++ pcs(); ++ PRINTKD( "-end-\n" ); ++} ++ ++static unsigned int ep0_sh_write_data(void) ++{ ++ /* ++ * If bytes left is zero, we are coming in on the ++ * interrupt after the last packet went out. And ++ * we know we don't have to empty packet this ++ * transfer so just set DE and we are done ++ */ ++ PRINTKD("UDC: normal packet ended\n"); ++ wrint=NULL; ++ return UDCCS0_DE; ++} ++ ++static unsigned int ep0_sh_write_with_empty_packet(void) ++{ ++ /* ++ * If bytes left is zero, we are coming in on the ++ * interrupt after the last packet went out. ++ * We must do short packet suff, so set DE and IPR ++ */ ++ PRINTKD("UDC: short packet sent\n"); ++ wrint=NULL; ++ return UDCCS0_IPR | UDCCS0_DE; ++} ++ ++static unsigned int ep0_sh_write_data_then_empty_packet(void) ++{ ++ PRINTKD("UDC: last packet full. Send empty packet next\n"); ++ wrint=ep0_sh_write_with_empty_packet; ++ return 0; ++} ++ ++static void ep0_queue(void *buf, unsigned int len, unsigned int req_len) ++{ ++ __u32 cs_reg_bits = UDCCS0_IPR; ++ ++ PRINTKD("a=%d r=%d\n", len, req_len); ++ ++ if (len == 0) { ++ // no output packet to wait for ++ printk("%s: zero byte packet being queued. Setting DE and OPR end exiting\n",__FUNCTION__); ++ set_cs_bits(UDCCS0_DE | UDCCS0_SO); ++ return; ++ } ++ ++ /* ++ * thou shalt not enter data phase until ++ * Out Packet Ready is clear ++ */ ++ if (!clear_opr()) { ++ printk("UDC: SO did not clear OPR\n"); ++ set_cs_bits(UDCCS0_DE | UDCCS0_SO); ++ return; ++ } ++ ++ // note data to xmit stored ++ wr.p=buf; ++ wr.bytes_left=min(len, req_len); ++ ++ // write the first block ++ write_fifo(); ++ ++ // done already? ++ if (wr.bytes_left == 0) { ++ /* ++ * out in one, so data end ++ */ ++ cs_reg_bits |= UDCCS0_DE; ++ ep0_clear_write(); ++ // rest is a shorter than expected reply? ++ } else if (len < req_len) { ++ /* ++ * we are going to short-change host ++ * so need nul to not stall ++ */ ++ if (len % 8) { ++ PRINTKD("%s: %d more to go ending in a short packet.\n",__FUNCTION__,wr.bytes_left); ++ wrint=ep0_sh_write_with_empty_packet; ++ } ++ // unless we are on a packet boundary. Then send full packet plus null packet. ++ else { ++ PRINTKD("%s: %d more to go then add empty packet.\n",__FUNCTION__,wr.bytes_left); ++ wrint=ep0_sh_write_data_then_empty_packet; ++ } ++ } else { ++ /* ++ * we have as much or more than requested ++ */ ++ PRINTKD("%s: %d more to go.\n",__FUNCTION__,wr.bytes_left); ++ wrint=ep0_sh_write_data; ++ } ++ ++ /* ++ * note: IPR was set uncondtionally at start of routine ++ */ ++ set_cs_bits(cs_reg_bits); ++} ++ ++/* ++ * write_fifo() ++ * Stick bytes in the 8 bytes endpoint zero FIFO. ++ * This version uses a variety of tricks to make sure the bytes ++ * are written correctly. 1. The count register is checked to ++ * see if the byte went in, and the write is attempted again ++ * if not. 2. An overall counter is used to break out so we ++ * don't hang in those (rare) cases where the UDC reverses ++ * direction of the FIFO underneath us without notification ++ * (in response to host aborting a setup transaction early). ++ * ++ */ ++static void write_fifo( void ) ++{ ++ int bytes_this_time = MIN( wr.bytes_left, 8 ); ++ int bytes_written = 0; ++ ++ PRINTKD( "WF=%d: ", bytes_this_time ); ++ ++ while( bytes_this_time-- ) { ++ unsigned int cwc; ++ int i; ++ PRINTKD( "%2.2X ", *wr.p ); ++ cwc = Ser0UDCWC & 15; ++ i = 10; ++ do { ++ Ser0UDCD0 = *wr.p; ++ udelay( 20 ); /* voodo 28Feb01ww */ ++ } while( (Ser0UDCWC &15) == cwc && --i ); ++ ++ if ( i == 0 ) { ++ printk( "%swrite_fifo: write failure\n", pszMe ); ++ usbd_info.stats.ep0_fifo_write_failures++; ++ } ++ ++ wr.p++; ++ bytes_written++; ++ } ++ wr.bytes_left -= bytes_written; ++ ++ /* following propagation voodo so maybe caller writing IPR in ++ ..a moment might actually get it to stick 28Feb01ww */ ++ udelay( 300 ); ++ ++ usbd_info.stats.ep0_bytes_written += bytes_written; ++ PRINTKD( "L=%d WCR=%8.8X\n", wr.bytes_left, Ser0UDCWC ); ++} ++/* ++ * read_fifo() ++ * Read 1-8 bytes out of FIFO and put in request. ++ * Called to do the initial read of setup requests ++ * from the host. Return number of bytes read. ++ * ++ * Like write fifo above, this driver uses multiple ++ * reads checked agains the count register with an ++ * overall timeout. ++ * ++ */ ++static int ++read_fifo( struct usb_ctrlrequest * request ) ++{ ++ int bytes_read = 0; ++ int fifo_count; ++ ++ unsigned char * pOut = (unsigned char*) request; ++ ++ fifo_count = ( Ser0UDCWC & 0xFF ); ++ ++ ASSERT( fifo_count <= 8 ); ++ PRINTKD( "RF=%d ", fifo_count ); ++ ++ while( fifo_count-- ) { ++ unsigned int cwc; ++ int i; ++ ++ cwc = Ser0UDCWC & 15; ++ ++ i = 10; ++ do { ++ *pOut = (unsigned char) Ser0UDCD0; ++ udelay( 20 ); ++ } while( ( Ser0UDCWC & 15 ) == cwc && --i ); ++ ++ if ( i == 0 ) { ++ printk( "%sread_fifo(): read failure\n", pszMe ); ++ usbd_info.stats.ep0_fifo_read_failures++; ++ } ++ pOut++; ++ bytes_read++; ++ } ++ ++ PRINTKD( "fc=%d\n", bytes_read ); ++ usbd_info.stats.ep0_bytes_read++; ++ return bytes_read; ++} ++ ++/* some voodo I am adding, since the vanilla macros just aren't doing it 1Mar01ww */ ++ ++#define ABORT_BITS ( UDCCS0_SST | UDCCS0_SE ) ++#define OK_TO_WRITE (!( Ser0UDCCS0 & ABORT_BITS )) ++#define BOTH_BITS (UDCCS0_IPR | UDCCS0_DE) ++ ++static void set_cs_bits( __u32 bits ) ++{ ++ if ( bits & ( UDCCS0_SO | UDCCS0_SSE | UDCCS0_FST | UDCCS0_SST) ) ++ Ser0UDCCS0 = bits; ++ else if ( (bits & BOTH_BITS) == BOTH_BITS ) ++ set_ipr_and_de(); ++ else if ( bits & UDCCS0_IPR ) ++ set_ipr(); ++ else if ( bits & UDCCS0_DE ) ++ set_de(); ++} ++ ++static void set_de( void ) ++{ ++ int i = 1; ++ while( 1 ) { ++ if ( OK_TO_WRITE ) { ++ Ser0UDCCS0 |= UDCCS0_DE; ++ } else { ++ PRINTKD( "%sQuitting set DE because SST or SE set\n", pszMe ); ++ break; ++ } ++ if ( Ser0UDCCS0 & UDCCS0_DE ) ++ break; ++ udelay( i ); ++ if ( ++i == 50 ) { ++ printk( "%sDangnabbbit! Cannot set DE! (DE=%8.8X CCS0=%8.8X)\n", ++ pszMe, UDCCS0_DE, Ser0UDCCS0 ); ++ break; ++ } ++ } ++} ++ ++static void set_ipr( void ) ++{ ++ int i = 1; ++ while( 1 ) { ++ if ( OK_TO_WRITE ) { ++ Ser0UDCCS0 |= UDCCS0_IPR; ++ } else { ++ PRINTKD( "%sQuitting set IPR because SST or SE set\n", pszMe ); ++ break; ++ } ++ if ( Ser0UDCCS0 & UDCCS0_IPR ) ++ break; ++ udelay( i ); ++ if ( ++i == 50 ) { ++ printk( "%sDangnabbbit! Cannot set IPR! (IPR=%8.8X CCS0=%8.8X)\n", ++ pszMe, UDCCS0_IPR, Ser0UDCCS0 ); ++ break; ++ } ++ } ++} ++ ++static void set_ipr_and_de( void ) ++{ ++ int i = 1; ++ while( 1 ) { ++ if ( OK_TO_WRITE ) { ++ Ser0UDCCS0 |= BOTH_BITS; ++ } else { ++ PRINTKD( "%sQuitting set IPR/DE because SST or SE set\n", pszMe ); ++ break; ++ } ++ if ( (Ser0UDCCS0 & BOTH_BITS) == BOTH_BITS) ++ break; ++ udelay( i ); ++ if ( ++i == 50 ) { ++ printk( "%sDangnabbbit! Cannot set DE/IPR! (DE=%8.8X IPR=%8.8X CCS0=%8.8X)\n", ++ pszMe, UDCCS0_DE, UDCCS0_IPR, Ser0UDCCS0 ); ++ break; ++ } ++ } ++} ++ ++static bool clear_opr( void ) ++{ ++ int i = 10000; ++ bool is_clear; ++ do { ++ Ser0UDCCS0 = UDCCS0_SO; ++ is_clear = ! ( Ser0UDCCS0 & UDCCS0_OPR ); ++ if ( i-- <= 0 ) { ++ printk( "%sclear_opr(): failed\n", pszMe ); ++ break; ++ } ++ } while( ! is_clear ); ++ return is_clear; ++} ++ ++ ++ ++// ep1 handlers ++ ++static char *ep1_buf; ++static int ep1_len; ++static void (*ep1_callback)(int flag, int size); ++static char *ep1_curdmabuf; ++static dma_addr_t ep1_curdmapos; ++static int ep1_curdmalen; ++static int ep1_remain; ++static int ep1_used; ++ ++static dma_regs_t *dmaregs_rx = NULL; ++static int rx_pktsize; ++ ++static int naking; ++ ++static void ++ep1_start(void) ++{ ++ sa1100_reset_dma(dmaregs_rx); ++ if (!ep1_curdmalen) { ++ ep1_curdmalen = rx_pktsize; ++ if (ep1_curdmalen > ep1_remain) ++ ep1_curdmalen = ep1_remain; ++ ep1_curdmapos = dma_map_single(NULL, ep1_curdmabuf, ep1_curdmalen, ++ DMA_FROM_DEVICE); ++ } ++ ++ UDC_write( Ser0UDCOMP, ep1_curdmalen-1 ); ++ ++ sa1100_start_dma(dmaregs_rx, ep1_curdmapos, ep1_curdmalen); ++ ++ if ( naking ) { ++ /* turn off NAK of OUT packets, if set */ ++ UDC_flip( Ser0UDCCS1, UDCCS1_RPC ); ++ naking = 0; ++ } ++} ++ ++static void ++ep1_done(int flag) ++{ ++ int size = ep1_len - ep1_remain; ++ ++ if (!ep1_len) ++ return; ++ if (ep1_curdmalen) ++ dma_unmap_single(NULL, ep1_curdmapos, ep1_curdmalen, ++ DMA_FROM_DEVICE); ++ ep1_len = ep1_curdmalen = 0; ++ if (ep1_callback) ++ ep1_callback(flag, size); ++} ++ ++void ++ep1_state_change_notify( int new_state ) ++{ ++ ++} ++ ++void ++ep1_stall( void ) ++{ ++ /* SET_FEATURE force stall at UDC */ ++ UDC_set( Ser0UDCCS1, UDCCS1_FST ); ++} ++ ++int ++ep1_init(dma_regs_t *dmaregs) ++{ ++ dmaregs_rx = dmaregs; ++ sa1100_reset_dma(dmaregs_rx); ++ ep1_done(-EAGAIN); ++ return 0; ++} ++ ++void ++ep1_reset(void) ++{ ++ if (dmaregs_rx) ++ sa1100_reset_dma(dmaregs_rx); ++ UDC_clear(Ser0UDCCS1, UDCCS1_FST); ++ ep1_done(-EINTR); ++} ++ ++void ++ep1_int_hndlr(int udcsr) ++{ ++ dma_addr_t dma_addr; ++ unsigned int len; ++ int status = Ser0UDCCS1; ++ ++ if ( naking ) printk( "%sEh? in ISR but naking = %d\n", "usbrx: ", naking ); ++ ++ if (status & UDCCS1_RPC) { ++ ++ if (!ep1_curdmalen) { ++ printk("usb_recv: RPC for non-existent buffer\n"); ++ naking=1; ++ return; ++ } ++ ++ sa1100_stop_dma(dmaregs_rx); ++ ++ if (status & UDCCS1_SST) { ++ printk("usb_recv: stall sent OMP=%d\n",Ser0UDCOMP); ++ UDC_flip(Ser0UDCCS1, UDCCS1_SST); ++ ep1_done(-EIO); // UDC aborted current transfer, so we do ++ return; ++ } ++ ++ if (status & UDCCS1_RPE) { ++ printk("usb_recv: RPError %x\n", status); ++ UDC_flip(Ser0UDCCS1, UDCCS1_RPC); ++ ep1_done(-EIO); ++ return; ++ } ++ ++ dma_addr=sa1100_get_dma_pos(dmaregs_rx); ++ dma_unmap_single(NULL, ep1_curdmapos, ep1_curdmalen, ++ DMA_FROM_DEVICE); ++ len = dma_addr - ep1_curdmapos; ++#ifdef SA1100_USB_DEBUG ++ if (sa1100_usb_debug) { ++ int i; ++ printk("usb rx %d :\n ",len); ++ if (sa1100_usb_debug>1) { ++ for (i=0; i<len; i++) { ++ if ((i % 32)==31) ++ printk("\n "); ++// printk("%2.2x ",((char *)ep1_buf)[ep1_used+i]); ++ printk("%2.2x ",((char *)ep1_curdmapos)[i]); ++ } ++ } ++ printk("\n"); ++ } ++#endif ++ if (len < ep1_curdmalen) { ++ char *buf = ep1_curdmabuf + len; ++ while (Ser0UDCCS1 & UDCCS1_RNE) { ++ if (len >= ep1_curdmalen) { ++ printk("usb_recv: too much data in fifo\n"); ++ break; ++ } ++ *buf++ = Ser0UDCDR; ++ len++; ++ } ++ } else if (Ser0UDCCS1 & UDCCS1_RNE) { ++ printk("usb_recv: fifo screwed, shouldn't contain data\n"); ++ len = 0; ++ } ++ ++#if defined(NCB_DMA_FIX) ++// if (len && (ep1_buf != ep1_curdmabuf)) ++// memcpy(ep1_buf,ep1_curdmabuf,len); ++ if (len) ++ memcpy(&(((unsigned char *)ep1_buf)[ep1_used]),ep1_curdmabuf,len); ++#endif ++ ++ ep1_curdmalen = 0; /* dma unmap already done */ ++ ep1_remain -= len; ++ ep1_used += len; ++// ep1_curdmabuf += len; // use same buffer again ++ naking = 1; ++//printk("%s: received %d, %d remaining\n",__FUNCTION__,len,ep1_remain); ++ if (len && (len == rx_pktsize)) ++ ep1_start(); ++ else ++ ep1_done((len) ? 0 : -EPIPE); ++ } ++ /* else, you can get here if we are holding NAK */ ++} ++ ++int ++sa1100_usb_recv(struct usb_request *req, void (*callback)(int flag, int size)) ++{ ++ unsigned long flags; ++ char *buf=req->buf; ++ int len=req->length; ++ ++ if (ep1_len) ++ return -EBUSY; ++ ++ local_irq_save(flags); ++ ep1_buf = buf; ++ ep1_len = len; ++ ep1_callback = callback; ++ ep1_remain = len; ++ ep1_used = 0; ++#ifdef NCB_DMA_FIX ++// if (((size_t)buf)&3) ++ if (1) ++ ep1_curdmabuf = receive_buffer; ++ else ++#else ++ ep1_curdmabuf = buf; ++#endif ++ ep1_curdmalen = 0; ++ ep1_start(); ++ local_irq_restore(flags); ++ ++ return 0; ++} ++ ++// ep2 handlers ++ ++static char *ep2_buf; ++static int ep2_len; ++static void (*ep2_callback)(int status, int size); ++static dma_addr_t ep2_dma; ++static dma_addr_t ep2_curdmapos; ++static int ep2_curdmalen; ++static int ep2_remain; ++static dma_regs_t *dmaregs_tx = NULL; ++static int tx_pktsize; ++ ++/* device state is changing, async */ ++void ++ep2_state_change_notify( int new_state ) ++{ ++} ++ ++/* set feature stall executing, async */ ++void ++ep2_stall( void ) ++{ ++ UDC_set( Ser0UDCCS2, UDCCS2_FST ); /* force stall at UDC */ ++} ++ ++static void ++ep2_start(void) ++{ ++ if (!ep2_len) ++ return; ++ ++ ep2_curdmalen = tx_pktsize; ++ if (ep2_curdmalen > ep2_remain) ++ ep2_curdmalen = ep2_remain; ++ ++ /* must do this _before_ queue buffer.. */ ++ UDC_flip( Ser0UDCCS2,UDCCS2_TPC ); /* stop NAKing IN tokens */ ++ UDC_write( Ser0UDCIMP, ep2_curdmalen-1 ); ++ ++#if 0 ++ /* Remove if never seen...8Mar01ww */ ++ { ++ int massive_attack = 20; ++ while ( Ser0UDCIMP != ep2_curdmalen-1 && massive_attack-- ) { ++ printk( "usbsnd: Oh no you don't! Let me spin..." ); ++ udelay( 500 ); ++ printk( "and try again...\n" ); ++ UDC_write( Ser0UDCIMP, ep2_curdmalen-1 ); ++ } ++ if ( massive_attack != 20 ) { ++ if ( Ser0UDCIMP != ep2_curdmalen-1 ) ++ printk( "usbsnd: Massive attack FAILED :-( %d\n", ++ 20 - massive_attack ); ++ else ++ printk( "usbsnd: Massive attack WORKED :-) %d\n", ++ 20 - massive_attack ); ++ } ++ } ++ /* End remove if never seen... 8Mar01ww */ ++#endif ++ ++ Ser0UDCAR = usbd_info.address; // fighting stupid silicon bug ++ sa1100_start_dma(dmaregs_tx, ep2_curdmapos, ep2_curdmalen); ++} ++ ++static void ++ep2_done(int flag) ++{ ++ int size = ep2_len - ep2_remain; ++ if (ep2_len) { ++ dma_unmap_single(NULL, ep2_dma, ep2_len, DMA_TO_DEVICE); ++ ep2_len = 0; ++ if (ep2_callback) ++ ep2_callback(flag, size); ++ } ++} ++ ++int ++ep2_init(dma_regs_t *dmaregs) ++{ ++ dmaregs_tx = dmaregs; ++ sa1100_reset_dma(dmaregs_tx); ++ ep2_done(-EAGAIN); ++ return 0; ++} ++ ++void ++ep2_reset(void) ++{ ++ UDC_clear(Ser0UDCCS2, UDCCS2_FST); ++ if (dmaregs_tx) ++ sa1100_reset_dma(dmaregs_tx); ++ ep2_done(-EINTR); ++} ++ ++void ++ep2_int_hndlr(int udcsr) ++{ ++ int status = Ser0UDCCS2; ++ ++ if (Ser0UDCAR != usbd_info.address) // check for stupid silicon bug. ++ Ser0UDCAR = usbd_info.address; ++ ++ if (status & UDCCS2_TPC) { ++ ++ UDC_flip(Ser0UDCCS2, UDCCS2_SST); ++ ++ sa1100_reset_dma(dmaregs_tx); ++ ++ if (status & (UDCCS2_TPE | UDCCS2_TUR)) { ++ printk("usb_send: transmit error %x\n", status); ++ ep2_done(-EIO); ++ } else { ++#if 1 // 22Feb01ww/Oleg ++ ep2_curdmapos += ep2_curdmalen; ++ ep2_remain -= ep2_curdmalen; ++#else ++ ep2_curdmapos += Ser0UDCIMP + 1; // this is workaround ++ ep2_remain -= Ser0UDCIMP + 1; // for case when setting of Ser0UDCIMP was failed ++#endif ++ ++ if (ep2_remain != 0) ++ ep2_start(); ++ else ++ ep2_done(0); ++ } ++ } else { ++ printk("usb_send: Not TPC: UDCCS2 = %x\n", status); ++ } ++} ++ ++int ++sa1100_usb_send(struct usb_request *req, void (*callback)(int status, int size)) ++{ ++ char *buf=req->buf; ++ int len=req->length; ++ unsigned long flags; ++ ++ if (usbd_info.state != USB_STATE_CONFIGURED) { ++ PRINTKD("%s: return -ENODEV\n",__FUNCTION__); ++ return -ENODEV; ++ } ++ ++ if (ep2_len) { ++ PRINTKD("%s: return -EBUSY\n",__FUNCTION__); ++ return -EBUSY; ++ } ++ ++ local_irq_save(flags); ++#ifdef NCB_DMA_FIX ++ // if misaligned, copy to aligned buffer ++// if (((size_t)buf)&3) { ++ if (1) { ++ PRINTKD("%s: copying %d bytes to send_buffer\n",__FUNCTION__,len); ++ memcpy(send_buffer,buf,len); ++ ep2_buf = send_buffer; ++ } ++ else ++#endif ++ ep2_buf = buf; ++ ++ ep2_len = len; ++ ep2_dma = dma_map_single(NULL, ep2_buf, len,DMA_TO_DEVICE); ++ PRINTKD("%s: mapped dma to buffer(%p0\n",__FUNCTION__,buf); ++ ++ ep2_callback = callback; ++ ep2_remain = len; ++ ep2_curdmapos = ep2_dma; ++ ++ PRINTKD("%s: calling ep2_start\n",__FUNCTION__); ++ ep2_start(); ++ local_irq_restore(flags); ++ ++ return 0; ++} ++/*-------------------------------------------------------------------------*/ ++ ++static int ++sa1100_enable (struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc) ++{ ++ struct sa1100_udc *dev; ++ struct sa1100_ep *ep; ++ u32 max; ++ int type; ++ ++ ep = container_of (_ep, struct sa1100_ep, ep); ++ if (!_ep || !desc || ep->desc || _ep->name == ep0name ++ || desc->bDescriptorType != USB_DT_ENDPOINT)
{ ++ PRINTKD("%s: _ep = %p, desc = %p\n",__FUNCTION__,_ep,desc); ++ if (_ep && desc) ++ PRINTKD("%s: ep->desc = %p, _ep->name = %s desc->bDescriptorType = %s\n",__FUNCTION__,ep->desc,_ep->name, ++ (desc->bDescriptorType == USB_DT_ENDPOINT) ? "USB_DT_ENDPOINT":"bad!!"); ++ return -EINVAL; ++ } ++ ++ dev = ep->dev; ++ if (!dev->driver || dev->gadget.speed == USB_SPEED_UNKNOWN)
++ return -ESHUTDOWN; ++ ++ type = desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK; ++ max = le16_to_cpu (desc->wMaxPacketSize); ++ switch (max) { ++ case 64: case 32: ++ /* note: maxpacket > 16 means DMA might overrun/underrun */ ++ case 16: case 8: ++ break; ++ default: ++ if (type == USB_ENDPOINT_XFER_INT && max < 64) ++ break; ++ return -EDOM; ++ } ++ ++ switch (type) { ++ case USB_ENDPOINT_XFER_BULK: ++ case USB_ENDPOINT_XFER_INT: ++ if (ep == &dev->ep[2]) { ++ if (desc->bEndpointAddress != (USB_DIR_IN|2)
) { ++ PRINTKD("%s: ep[2] has invalid endpoint\n",__FUNCTION__); ++ return -EINVAL; ++ } ++ tx_pktsize = max; ++ Ser0UDCOMP = max - 1; ++ PRINTKD("%s: ep2 max packet size is %d\n",__FUNCTION__,max); ++ break; ++ } else if (ep == &dev->ep[1]) { ++ if (desc->bEndpointAddress != (USB_DIR_OUT|1))
{ ++ PRINTKD("%s: ep[1] has invalid endpoint\n",__FUNCTION__); ++ return -EINVAL; ++ } ++ rx_pktsize = max; ++ Ser0UDCIMP = max - 1; ++ PRINTKD("%s: ep1 max packet size is %d\n",__FUNCTION__,max); ++ break; ++ } ++ // FALLTHROUGH ++ default: ++ PRINTKD("%s: Invalid endpoint\n",__FUNCTION__); ++ return -EINVAL; ++ } ++ ++ _ep->maxpacket = max; ++ ep->desc = desc; ++ ++ DEBUG (dev, "enabled %s %s max %04x\n", _ep->name, ++ type_string (desc->bmAttributes), max); ++ ++ return 0; ++} ++ ++static int sa1100_disable (struct usb_ep *_ep) ++{ ++ struct sa1100_ep *ep; ++ ++ ep = container_of (_ep, struct sa1100_ep, ep); ++ if (!_ep || !ep->desc || _ep->name == ep0name) ++ return -EINVAL; ++ ++ nuke (ep, -ESHUTDOWN); ++ ++ DEBUG (ep->dev, "disabled %s\n", _ep->name); ++ ++ ep->desc = NULL; ++ ep->stopped = 1; ++ return 0; ++} ++ ++/*-------------------------------------------------------------------------*/ ++ ++static struct usb_request * ++sa1100_alloc_request (struct usb_ep *_ep, int gfp_flags) ++{ ++ struct sa1100_request *req; ++ ++ if (!_ep) ++ return 0; ++ ++ req = kmalloc (sizeof *req, gfp_flags); ++ if (!req) ++ return 0; ++ ++ memset (req, 0, sizeof *req); ++ req->req.dma = DMA_ADDR_INVALID; ++ INIT_LIST_HEAD (&req->queue); ++ return &req->req; ++} ++ ++static void ++sa1100_free_request (struct usb_ep *_ep, struct usb_request *_req) ++{ ++ struct sa1100_request *req; ++ ++#if 0 // NCB ++ struct sa1100_ep *ep; ++ ep = container_of (_ep, struct sa1100_ep, ep); ++ if (!ep || !_req || (!ep->desc && _ep->name != ep0name)) ++ return; ++
#endif ++ ++ req = container_of (_req, struct sa1100_request, req); ++ WARN_ON (!list_empty (&req->queue)); ++ kfree(req); //NCB - see pxa2xx_udc ++} ++ ++/*-------------------------------------------------------------------------*/ ++ ++/* allocate buffers this way to eliminate per-io buffer copies */ ++ ++static void * ++sa1100_alloc_buffer ( ++ struct usb_ep *_ep, ++ unsigned bytes, ++ dma_addr_t *dma, ++ int gfp_flags ++) ++{ ++ void *retval; ++#if 1 // NCB see pxa2xx_udc ++ retval = kmalloc (bytes, gfp_flags & ~(__GFP_DMA|__GFP_HIGHMEM)); ++ if (retval) ++// used in pxa .. *dma = virt_to_bus (retval); ++ *dma = virt_to_phys (retval); ++#else ++ struct sa1100_ep *ep; ++ ++ ep = container_of (_ep, struct sa1100_ep, ep); ++ if (!ep || (!ep->desc && _ep->name != ep0name)) ++ return 0; ++ ++ *dma = DMA_ADDR_INVALID; ++ retval = kmalloc (bytes, GFP_DMA | gfp_flags); ++ if (retval) ++ *dma = virt_to_phys (retval); ++
#endif ++ return retval; ++} ++ ++static void ++sa1100_free_buffer ( ++ struct usb_ep *_ep, ++ void *buf, ++ dma_addr_t dma, ++ unsigned bytes ++) { ++ kfree (buf); ++} ++ ++/*-------------------------------------------------------------------------*/ ++ ++static void ++done (struct sa1100_ep *ep, struct sa1100_request *req, int status) ++{ ++ unsigned stopped = ep->stopped; ++ ++ ++ list_del_init (&req->queue); ++ ++ if (req->req.status == -EINPROGRESS) ++ req->req.status = status; ++ else ++ status = req->req.status; ++ ++ if (status && status != -ESHUTDOWN) ++ VDEBUG (ep->dev, "complete %s req %p stat %d len %u/%u\n", ++ ep->ep.name, &req->req, status, ++ req->req.actual, req->req.length); ++ ++ /* don't modify queue heads during completion callback */ ++ ep->stopped = 1; ++ PRINTKD("%s: calling complete on req\n",__FUNCTION__); ++ req->req.complete (&ep->ep, &req->req); ++ ep->stopped = stopped; ++} ++ ++#if 0 // NCB ++void control_done (int value) ++{ ++ struct list_head *entry, *tmp; ++ struct sa1100_request *req; ++ ++ list_for_each_safe (entry, tmp, &the_controller.ep[0].queue) { ++ req = list_entry (entry, struct sa1100_request, queue); ++ ++ /* HACK -- assume no control errors */ ++ if (value == 0) ++ req->req.actual = req->req.length; ++#if 1 ++ PRINTKD("%s: calling done with ep=%p, req=%p\n",__FUNCTION__,&the_udc.ep[0],req); ++ done (&the_udc.ep[0], req, value); ++#else ++ done (&the_udc.ep0, req, value); ++#endif ++ value = -EPROTO; ++ } ++} ++#endif ++ ++/*-------------------------------------------------------------------------*/ ++ ++/* FIXME move away from the old non-queued api. ++ * - forces extra work on us ++ * - stores request state twice ++ * - doesn't let gadget driver handle dma mapping ++ * - status codes need mapping ++ */ ++ ++static int map_status (int status) ++{ ++ switch (status) { ++ case 0: ++ case -EIO: /* ep[12]_int_handler */ ++ return status; ++ case -EPIPE: /* ep1_int_handler */ ++ return 0; ++ // case -EAGAIN: /* ep[12]_init */ ++ // case -EINTR: /* ep[12]_reset */ ++ default: ++ return -ESHUTDOWN; ++ } ++} ++ ++static void tx_callback (int status, int size) ++{ ++ struct sa1100_ep *ep = &the_controller->ep[2]; ++ struct sa1100_request *req; ++ ++// PRINTKD("%s: doing ...\n",__FUNCTION__); ++PRINTKD("%s: doing ... status=%d size=%d\n",__FUNCTION__,status,size); ++//PRINTKD("%s: doing ... status=%d\n",__FUNCTION__,status); ++ if (list_empty (&ep->queue)) { ++ if (status != -EAGAIN) ++ DEBUG (ep->dev, "%s, bogus tx callback %d/%d\n", ++ ep->ep.name, status, size); ++// DEBUG (ep->dev, "%s, bogus tx callback %d\n", ++// ep->ep.name, status); ++else ++PRINTKD("%s: list empty.\n",__FUNCTION__); ++ return; ++ } ++ req = list_entry (ep->queue.next, struct sa1100_request, queue); ++ req->req.actual = size; ++ done (ep, req, map_status (status)); ++ ++PRINTKD("%s: ep->stopped=%s\n",__FUNCTION__,ep->stopped ? "true":"false"); ++ if (ep->stopped || list_empty (&ep->queue)) ++ return; ++ req = list_entry (ep->queue.next, struct sa1100_request, queue); ++PRINTKD("%s: calling sa1100_usb_send\n",__FUNCTION__); ++ sa1100_usb_send (&req->req, tx_callback); ++} ++ ++static void rx_callback (int status, int size) ++{ ++ struct sa1100_ep *ep = &the_controller->ep[1]; ++ struct sa1100_request *req; ++ ++// PRINTKD("%s: doing ...\n",__FUNCTION__); ++PRINTKD("%s: doing ... status=%d\n",__FUNCTION__,status); ++ if (list_empty (&ep->queue)) { ++ if (status != -EAGAIN) ++ DEBUG (ep->dev, "%s, bogus tx callback %d/%d\n", ++ ep->ep.name, status, size); ++ return; ++ } ++ req = list_entry (ep->queue.next, struct sa1100_request, queue); ++ req->req.actual = size; ++ done (ep, req, map_status (status)); ++ ++ if (ep->stopped || list_empty (&ep->queue)) ++ return; ++ req = list_entry (ep->queue.next, struct sa1100_request, queue); ++ sa1100_usb_recv (&req->req, rx_callback); ++} ++ ++ ++static int ++sa1100_queue (struct usb_ep *_ep, struct usb_request *_req, int gfp_flags) ++{ ++ struct sa1100_request *req; ++ struct sa1100_ep *ep; ++ struct sa1100_udc *dev; ++ unsigned long flags; ++ ++ req = container_of (_req, struct sa1100_request, req); ++ if (!_req || !_req->complete || !_req->buf ++ || !list_empty (&req->queue)) ++ return -EINVAL; ++ ++ ep = container_of (_ep, struct sa1100_ep, ep); ++ if (!_ep || (!ep->desc && _ep->name != ep0name)) ++ return -EINVAL; ++ dev = ep->dev; ++ ++ // handle ep0 ++ if (_ep->name == ep0name)
{ ++ ep0_queue( _req->buf, _req->length, dev->ep0_req_len >=0 ? dev->ep0_req_len: _req->length ); ++ return 0; ++ } ++ ++ if (!dev->driver || dev->gadget.speed == USB_SPEED_UNKNOWN) ++ return -ESHUTDOWN; ++ ++ /* sa1100 udc can't write zlps */ ++ if (ep == &dev->ep[2] && _req->length == 0) ++ return -ERANGE; ++ ++ /* the old sa1100 api doesn't use 'unsigned' for lengths */ ++ if (_req->length > INT_MAX) ++ return -ERANGE; ++ ++#if 0 ++ VDEBUG (dev, "%s queue req %p, len %d buf %p\n", ++ _ep->name, _req, _req->length, _req->buf); ++#endif ++ ++ local_irq_save (flags); ++ ++ _req->status = -EINPROGRESS; ++ _req->actual = 0; ++ ++// NCB if (list_empty) { ++ if (list_empty (&ep->queue) && !ep->stopped) { ++ /* FIXME this does DMA mapping wrong. caller is allowed ++ * to provide buffers that don't need mapping, but this ++ * doesn't use them. ++ */ ++ if (ep == &ep->dev->ep[2])
{ ++ PRINTKD("%s: sa1100_usb_send buf %p length %d\n",__FUNCTION__,_req->buf,_req->length); ++ sa1100_usb_send (_req, tx_callback); ++ } ++ else if (ep == &ep->dev->ep[1])
{ ++ PRINTKD("%s: sa1100_usb_recv buf %p length %d\n",__FUNCTION__,_req->buf,_req->length); ++ sa1100_usb_recv (_req, rx_callback); ++ } ++ /* ep0 rx/tx is handled separately */ ++ } ++ list_add_tail (&req->queue, &ep->queue); ++ ++ local_irq_restore (flags); ++ ++ return 0; ++} ++ ++/* dequeue ALL requests */ ++static void nuke (struct sa1100_ep *ep, int status) ++{ ++ struct sa1100_request *req; ++ ++ /* called with irqs blocked */ ++ ep->stopped = 1; ++ if (ep == &ep->dev->ep[1]) ++ ep1_reset (); ++ else if (ep == &ep->dev->ep[2]) ++ ep2_reset (); ++ while (!list_empty (&ep->queue)) { ++ req = list_entry (ep->queue.next, ++ struct sa1100_request, ++ queue); ++ done (ep, req, status); ++ } ++} ++ ++/* dequeue JUST ONE request */ ++static int sa1100_dequeue (struct usb_ep *_ep, struct usb_request *_req) ++{ ++ struct sa1100_ep *ep; ++ struct sa1100_request *req; ++ unsigned long flags; ++ ++ ep = container_of (_ep, struct sa1100_ep, ep); ++ req = container_of (_req, struct sa1100_request, req); ++ if (!_ep || (!ep->desc && _ep->name != ep0name) || !_req) ++ return -EINVAL; ++ ++ local_irq_save (flags); ++ ++ /* make sure it's actually queued on this endpoint */ ++ list_for_each_entry (req, &ep->queue, queue) { ++ if (&req->req == _req) ++ break; ++ } ++ if (&req->req != _req) { ++ local_irq_restore(flags); ++ return -EINVAL; ++ } ++ ++#if 0 ++//#ifdef USE_DMA ++ if (ep->dma >= 0 && ep->queue.next == &req->queue && !ep->stopped) { ++ cancel_dma(ep); ++ done(ep, req, -ECONNRESET); ++ /* restart i/o */ ++ if (!list_empty(&ep->queue)) { ++ req = list_entry(ep->queue.next, ++ struct pxa2xx_request, queue); ++ kick_dma(ep, req); ++ } ++ } else ++//#endif ++#endif ++ done(ep, req, -ECONNRESET); ++ ++ local_irq_restore(flags); ++ ++ return 0; ++} ++ ++/*-------------------------------------------------------------------------*/ ++ ++static int ++sa1100_set_halt (struct usb_ep *_ep, int value) ++{ ++ struct sa1100_ep *ep; ++ ++ ep = container_of (_ep, struct sa1100_ep, ep); ++ if (!_ep || (!ep->desc && _ep->name != ep0name)) ++ return -EINVAL; ++ if (!ep->dev->driver || ep->dev->gadget.speed == USB_SPEED_UNKNOWN) ++ return -ESHUTDOWN; ++ if ( (ep->desc->bmAttributes & 0x03) == USB_ENDPOINT_XFER_ISOC) ++ return -EINVAL; ++ ++ VDEBUG (ep->dev, "%s %s halt\n", _ep->name, value ? "set" : "clear"); ++ ++ /* set/clear, then synch memory views with the device */ ++ if (value) { ++ if (ep == &ep->dev->ep[1]) ++ ep1_stall (); ++ else ++ ep2_stall (); ++ } else { ++ if (ep == &ep->dev->ep[1]) ++ ep1_reset (); ++ else ++ ep2_reset (); ++ } ++ ++ return 0; ++} ++ ++static struct usb_ep_ops sa1100_ep_ops = { ++ .enable = sa1100_enable, ++ .disable = sa1100_disable, ++ ++ .alloc_request = sa1100_alloc_request, ++ .free_request = sa1100_free_request, ++ ++ .alloc_buffer = sa1100_alloc_buffer, ++ .free_buffer = sa1100_free_buffer, ++ ++ .queue = sa1100_queue, ++ .dequeue = sa1100_dequeue, ++ ++ .set_halt = sa1100_set_halt, ++ // .fifo_status = sa1100_fifo_status, ++ // .fifo_flush = sa1100_fifo_flush, ++}; ++ ++/*-------------------------------------------------------------------------*/ ++ ++static int sa1100_get_frame (struct usb_gadget *_gadget) ++{ ++ return -EOPNOTSUPP; ++} ++ ++static int sa1100_wakeup (struct usb_gadget *_gadget) ++{ ++ struct sa1100_udc *dev; ++ ++ if (!_gadget) ++ return 0; ++ dev = container_of (_gadget, struct sa1100_udc, gadget); ++ ++ // FIXME ++ ++ return 0; ++} ++ ++static const struct usb_gadget_ops sa1100_ops = { ++ .get_frame = sa1100_get_frame, ++ .wakeup = sa1100_wakeup, ++ ++ // .set_selfpowered = sa1100_set_selfpowered, ++}; ++ ++/*-------------------------------------------------------------------------*/ ++ ++static inline void enable_resume_mask_suspend (void) ++{ ++ int i = 0; ++ ++ while (1) { ++ Ser0UDCCR |= UDCCR_SUSIM; // mask future suspend events ++ udelay (i); ++ if ( (Ser0UDCCR & UDCCR_SUSIM) || (Ser0UDCSR & UDCSR_RSTIR)) ++ break; ++ if (++i == 50) { ++ WARN (&the_controller, "%s Could not set SUSIM %8.8X\n", ++ __FUNCTION__, Ser0UDCCR); ++ break; ++ } ++ } ++ ++ i = 0; ++ while (1) { ++ Ser0UDCCR &= ~UDCCR_RESIM; ++ udelay (i); ++ if ( (Ser0UDCCR & UDCCR_RESIM) == 0 ++ || (Ser0UDCSR & UDCSR_RSTIR)) ++ break; ++ if (++i == 50) { ++ WARN (&the_controller, "%s Could not clear RESIM %8.8X\n", ++ __FUNCTION__, Ser0UDCCR); ++ break; ++ } ++ } ++} ++ ++static inline void enable_suspend_mask_resume (void) ++{ ++ int i = 0; ++ while (1) { ++ Ser0UDCCR |= UDCCR_RESIM; // mask future resume events ++ udelay (i); ++ if (Ser0UDCCR & UDCCR_RESIM || (Ser0UDCSR & UDCSR_RSTIR)) ++ break; ++ if (++i == 50) { ++ WARN (&the_controller, "%s could not set RESIM %8.8X\n", ++ __FUNCTION__, Ser0UDCCR); ++ break; ++ } ++ } ++ i = 0; ++ while (1) { ++ Ser0UDCCR &= ~UDCCR_SUSIM; ++ udelay (i); ++ if ( (Ser0UDCCR & UDCCR_SUSIM) == 0 ++ || (Ser0UDCSR & UDCSR_RSTIR)) ++ break; ++ if (++i == 50) { ++ WARN (&the_controller, "%s Could not clear SUSIM %8.8X\n", ++ __FUNCTION__, Ser0UDCCR); ++ break; ++ } ++ } ++} ++ ++// HACK DEBUG 3Mar01ww ++// Well, maybe not, it really seems to help! 08Mar01ww ++static void core_kicker (void) ++{ ++ u32 car = Ser0UDCAR; ++ u32 imp = Ser0UDCIMP; ++ u32 omp = Ser0UDCOMP; ++ ++ UDC_set (Ser0UDCCR, UDCCR_UDD); ++ udelay (300); ++ UDC_clear (Ser0UDCCR, UDCCR_UDD); ++ ++ Ser0UDCAR = car; ++ Ser0UDCIMP = imp; ++ Ser0UDCOMP = omp; ++} ++ ++// NCB static void ++static irqreturn_t ++udc_int_hndlr (int irq, void *_dev, struct pt_regs *regs) ++{ ++ struct sa1100_udc *dev = _dev; ++ u32 status = Ser0UDCSR; ++ ++ u32 control = Ser0UDCCR; ++
PRINTKD("%s: status = 0x%x and control = 0x%x\n",__FUNCTION__,status,control); ++ /* ReSeT Interrupt Request - UDC has been reset */ ++ if (status & UDCSR_RSTIR) { ++ PRINTKD("%s: processing UDCSR_RSTIR\n",__FUNCTION__); ++ if (usbctl_next_state_on_event (kEvReset) != kError) { ++ /* starting 20ms or so reset sequence now... */ ++ INFO (dev, "Resetting\n"); ++ ep0_reset (); // just set state to idle ++ ep1_reset (); // flush dma, clear false stall ++ ep2_reset (); // flush dma, clear false stall ++ } ++ // mask reset ints, they flood during sequence, enable ++ // suspend and resume ++ Ser0UDCCR |= UDCCR_REM; // mask reset ++ Ser0UDCCR &= ~ (UDCCR_SUSIM | UDCCR_RESIM); // enable suspend and resume ++ UDC_flip ( Ser0UDCSR, status); // clear all pending sources ++ PRINTKD("%s: setting USB_FULL_SPEED\n",__FUNCTION__); ++ dev->gadget.speed = USB_SPEED_FULL; ++ return IRQ_HANDLED; // NCB ++ } ++ ++ /* else we have done something other than reset, ++ * so be sure reset enabled ++ */ ++ UDC_clear (Ser0UDCCR, UDCCR_REM); ++ ++ /* RESume Interrupt Request */ ++ if (status & UDCSR_RESIR) { ++ struct usb_gadget_driver *driver = dev->driver; ++ ++ PRINTKD("%s: processing UDCSR_RESIR\n",__FUNCTION__); ++ if (driver->resume) ++ driver->resume (&dev->gadget); ++ core_kicker (); ++ enable_suspend_mask_resume (); ++ } ++ ++ /* SUSpend Interrupt Request */ ++ if (status & UDCSR_SUSIR) { ++ struct usb_gadget_driver *driver = dev->driver; ++ ++ PRINTKD("%s: processing UDCSR_SUSIR\n",__FUNCTION__); ++ if (driver->suspend) ++ driver->suspend (&dev->gadget); ++ enable_resume_mask_suspend (); ++ } ++ ++ UDC_flip (Ser0UDCSR, status); // clear all pending sources ++ ++ if (status & UDCSR_EIR)
++ ep0_int_hndlr (); ++ ++ ++ if (status & UDCSR_RIR)
{ ++ PRINTKD("%s: processing ep1_int_hndlr\n",__FUNCTION__); ++ ep1_int_hndlr (status); ++ } ++ if (status & UDCSR_TIR)
{ ++ PRINTKD("%s: processing ep2_int_hndlr\n",__FUNCTION__); ++ ep2_int_hndlr (status); ++ } ++ ++ return IRQ_HANDLED; // NCB ++ ++} ++ ++/* soft_connect_hook () ++ * Some devices have platform-specific circuitry to make USB ++ * not seem to be plugged in, even when it is. This allows ++ * software to control when a device 'appears' on the USB bus ++ * (after Linux has booted and this driver has loaded, for ++ * example). If you have such a circuit, control it here. ++ */ ++#ifdef CONFIG_SA1100_EXTENEX1 ++static void soft_connect_hook (int enable) ++{ ++ if (machine_is_extenex1 ()) { ++ if (enable) { ++ PPDR |= PPC_USB_SOFT_CON; ++ PPSR |= PPC_USB_SOFT_CON; ++ } else { ++ PPSR &= ~PPC_USB_SOFT_CON; ++ PPDR &= ~PPC_USB_SOFT_CON; ++ } ++ } ++} ++#elif defined(CONFIG_SA1100_BALLOON) ++static void soft_connect_hook (int enable) ++{ ++ if (machine_is_balloon()) { ++ if (enable) ++ balloon_udc_connect(); ++ else ++ balloon_udc_disconnect(); ++ } ++} ++#else ++#define soft_connect_hook(x) do { } while (0); ++#endif ++ ++/* "function" sysfs attribute */ ++static ssize_t ++show_function (struct device *_dev, char *buf) ++{ ++ struct sa1100_udc *dev = dev_get_drvdata (_dev); ++ ++ if (!dev->driver ++ || !dev->driver->function ++ || strlen (dev->driver->function) > PAGE_SIZE) ++ return 0; ++ return scnprintf (buf, PAGE_SIZE, "%s\n", dev->driver->function); ++} ++static DEVICE_ATTR (function, S_IRUGO, show_function, NULL); ++ ++/* disable the UDC at the source */ ++static void udc_disable (struct sa1100_udc *dev) ++{ ++ soft_connect_hook (0); ++ UDC_set (Ser0UDCCR, UDCCR_UDD); ++ dev->gadget.speed = USB_SPEED_UNKNOWN; ++ ep0_idle(dev); ++} ++ ++static void udc_reinit(struct sa1100_udc *dev) { ++ ++ u32 i; ++ ++ /* Initialize the gadget controller data structure */ ++ INIT_LIST_HEAD (&dev->gadget.ep_list); ++ INIT_LIST_HEAD (&dev->gadget.ep0->ep_list); ++ ep0_idle(dev); ++ for ( i = 0 ; i < 3 ; i++) { ++ struct sa1100_ep *ep = &dev->ep[i]; ++ if (i != 0) ++ list_add_tail(&ep->ep.ep_list, &dev->gadget.ep_list); ++ ep->desc = NULL; ++ ep->stopped = 0; ++ INIT_LIST_HEAD(&ep->queue); ++ } ++} ++ ++/* enable the udc at the source */ ++static void udc_enable (struct sa1100_udc *dev) ++{ ++ UDC_clear (Ser0UDCCR, UDCCR_UDD); ++ ep0_idle(dev); ++} ++ ++static void ep0_start (struct sa1100_udc *dev) ++{ ++ udc_enable (dev); ++ udelay (100); ++ ++ /* clear stall - receiver seems to start stalled? 19Jan01ww */ ++ /* also clear other stuff just to be thurough 22Feb01ww */ ++ UDC_clear(Ser0UDCCS1, UDCCS1_FST | UDCCS1_RPE | UDCCS1_RPC ); ++ UDC_clear(Ser0UDCCS2, UDCCS2_FST | UDCCS2_TPE | UDCCS2_TPC ); ++ ++ /* mask everything */ ++ Ser0UDCCR = 0xFC; ++ ++ /* flush DMA and fire through some -EAGAINs */ ++ ep1_init (dev->ep[1].dmaregs); ++ ep2_init (dev->ep[2].dmaregs); ++ ++ /* enable any platform specific hardware */ ++ soft_connect_hook (1); ++ ++ /* clear all top-level sources */ ++ Ser0UDCSR = UDCSR_RSTIR | UDCSR_RESIR | UDCSR_EIR | ++ UDCSR_RIR | UDCSR_TIR | UDCSR_SUSIR ; ++ ++ /* EXERIMENT - a short line in the spec says toggling this ++ * bit diddles the internal state machine in the udc to ++ * expect a suspend ++ */ ++ Ser0UDCCR |= UDCCR_RESIM; ++ /* END EXPERIMENT 10Feb01ww */ ++ ++ /* enable any platform specific hardware */ ++ soft_connect_hook (1); ++ ++ /* Enable interrupts. If you are unplugged you will immediately ++ * get a suspend interrupt. If you are plugged and have a soft ++ * connect-circuit, you will get a reset. If you are plugged ++ * without a soft-connect, I think you also get suspend. In short, ++ * start with suspend masked and everything else enabled ++ */ ++ UDC_write( Ser0UDCCR, UDCCR_SUSIM ); ++} ++ ++ ++/* when a driver is successfully registered, it will receive ++ * control requests including set_configuration (), which enables ++ * non-control requests. then usb traffic follows until a ++ * disconnect is reported. then a host may connect again, or ++ * the driver might get unbound. ++ */ ++int usb_gadget_register_driver (struct usb_gadget_driver *driver) ++{ ++ struct sa1100_udc *dev = the_controller; ++ int retval; ++ ++ if (!driver ++ || !driver->bind ++ || !driver->unbind ++ || !driver->setup) ++ return -EINVAL; ++ if (!dev) ++ return -ENODEV; ++ if (dev->driver) ++ return -EBUSY; ++ ++ /* hook up the driver ... */ ++ dev->driver = driver; ++ dev->gadget.dev.driver = &driver->driver; ++ ++// device_add (&dev->gadget.dev); ++ retval = driver->bind (&dev->gadget); ++ if (retval) { ++ DEBUG (dev, "bind to driver %s --> %d\n", ++ driver->driver.name, retval); ++ device_del(&dev->gadget.dev); ++ dev->driver = NULL; ++ dev->gadget.dev.driver = NULL; ++ return retval; ++ } ++
device_create_file(dev->dev, &dev_attr_function); ++ ++ /* ... then enable host detection and ep0; and we're ready ++ * for set_configuration as well as eventual disconnect. ++ */ ++ ep0_start (dev); ++ ++ DEBUG (dev, "%s ready\n", driver->driver.name); ++ ++ return 0; ++} ++EXPORT_SYMBOL (usb_gadget_register_driver); ++ ++static void ++stop_activity (struct sa1100_udc *dev, struct usb_gadget_driver *driver) ++{ ++ int i; ++ ++ /* don't disconnect if it's not connected */ ++ if (dev->gadget.speed == USB_SPEED_UNKNOWN) ++ driver = NULL; ++
dev->gadget.speed = USB_SPEED_UNKNOWN; ++ ++ /* mask everything */ ++ Ser0UDCCR = 0xFC; ++ ++ /* stop hardware; prevent new request submissions; ++ * and kill any outstanding requests. ++ */ ++ for (i = 0; i < 3; i++) { ++ struct sa1100_ep *ep = &dev->ep[i]; ++ ++ ep->stopped = 1; ++ nuke(ep, -ESHUTDOWN); ++ } ++ udc_disable (dev); ++ ++ /* report disconnect; the driver is already quiesced */ ++ if (driver) { ++// spin_unlock (&dev->lock); ++ driver->disconnect (&dev->gadget); ++// spin_lock (&dev->lock); ++ } ++ /* re-init driver-visible data structures */ ++ udc_reinit(dev); ++} ++ ++int usb_gadget_unregister_driver (struct usb_gadget_driver *driver) ++{ ++ struct sa1100_udc *dev = the_controller; ++ ++ if (!dev) ++ return -ENODEV; ++ if (!driver || driver != dev->driver) ++ return -EINVAL; ++ ++ local_irq_disable(); ++ stop_activity (dev, driver); ++ local_irq_enable(); ++ driver->unbind (&dev->gadget); ++ dev->driver = 0; ++ ++//printk("%s: deleting device\n",__FUNCTION__); ++// device_del (&dev->gadget.dev); ++ device_remove_file(dev->dev, &dev_attr_function); ++ ++ DEBUG (dev, "unregistered driver '%s'\n", driver->driver.name); ++ return 0; ++} ++EXPORT_SYMBOL (usb_gadget_unregister_driver); ++ ++ ++/*-------------------------------------------------------------------------*/ ++ ++/*-------------------------------------------------------------------------*/ ++ ++////////////////////////////////////////////////////////////////////////////// ++// Proc Filesystem Support ++////////////////////////////////////////////////////////////////////////////// ++ ++#if CONFIG_PROC_FS ++ ++#define SAY(fmt,args...) p += sprintf (p, fmt, ## args) ++#define SAYV(num) p += sprintf (p, num_fmt, "Value", num) ++#define SAYC(label,yn) p += sprintf (p, yn_fmt, label, yn) ++#define SAYS(label,v) p += sprintf (p, cnt_fmt, label, v) ++ ++static int usbctl_read_proc (char *page, char **start, off_t off, ++ int count, int *eof, void *data) ++{ ++ const char * num_fmt = "%25.25s: %8.8lX\n"; ++ const char * cnt_fmt = "%25.25s: %lu\n"; ++ const char * yn_fmt = "%25.25s: %s\n"; ++ const char * yes = "YES"; ++ const char * no = "NO"; ++ unsigned long v; ++ char * p = page; ++ int len; ++ ++ SAY ("SA1100 USB Controller Core\n"); ++ ++ SAYS ("ep0 bytes read", usbd_info.stats.ep0_bytes_read); ++ SAYS ("ep0 bytes written", usbd_info.stats.ep0_bytes_written); ++ SAYS ("ep0 FIFO read failures", usbd_info.stats.ep0_fifo_read_failures); ++ SAYS ("ep0 FIFO write failures", usbd_info.stats.ep0_fifo_write_failures); ++ ++ SAY ("\n"); ++ ++ v = Ser0UDCAR; ++ SAY ("%25.25s: 0x%8.8lX - %ld\n", "Address Register", v, v); ++ v = Ser0UDCIMP; ++ SAY ("%25.25s: %ld (%8.8lX)\n", "IN max packet size", v+1, v); ++ v = Ser0UDCOMP; ++ SAY ("%25.25s: %ld (%8.8lX)\n", "OUT max packet size", v+1, v); ++ ++ v = Ser0UDCCR; ++ SAY ("\nUDC Mask Register\n"); ++ SAYV (v); ++ SAYC ("UDC Active", (v & UDCCR_UDA) ? yes : no); ++ SAYC ("Suspend interrupts masked", (v & UDCCR_SUSIM) ? yes : no); ++ SAYC ("Resume interrupts masked", (v & UDCCR_RESIM) ? yes : no); ++ SAYC ("Reset interrupts masked", (v & UDCCR_REM) ? yes : no); ++ ++ v = Ser0UDCSR; ++ SAY ("\nUDC Interrupt Request Register\n"); ++ SAYV (v); ++ SAYC ("Reset pending", (v & UDCSR_RSTIR) ? yes : no); ++ SAYC ("Suspend pending", (v & UDCSR_SUSIR) ? yes : no); ++ SAYC ("Resume pending", (v & UDCSR_RESIR) ? yes : no); ++ SAYC ("ep0 pending", (v & UDCSR_EIR) ? yes : no); ++ SAYC ("receiver pending", (v & UDCSR_RIR) ? yes : no); ++ SAYC ("tramsitter pending", (v & UDCSR_TIR) ? yes : no); ++ ++#ifdef CONFIG_SA1100_EXTENEX1 ++ SAYC ("\nSoft connect", (PPSR & PPC_USB_SOFT_CON) ? "Visible" : "Hidden"); ++#endif ++ ++#if 1 ++ SAY ("\nDMA Tx registers\n"); ++ { ++ dma_regs_t *r=the_controller->ep[2].dmaregs; ++ SAY (" DDAR"); ++ SAYV(r->DDAR); ++ SAY (" DCSR"); ++ SAYV(r->RdDCSR); ++ SAY (" DBSA (address buf A) "); ++ SAYV(r->DBSA); ++ SAY (" DBTA (transfer count A) "); ++ SAYV(r->DBTA); ++ SAY (" DBSB (address buf B) "); ++ SAYV(r->DBSB); ++ SAY (" DBTB (transfer count B) "); ++ SAYV(r->DBTB); ++ ++ } ++ SAY ("\nDMA Rx registers\n"); ++ { ++ dma_regs_t *r=the_controller->ep[1].dmaregs; ++ SAY (" DDAR"); ++ SAYV(r->DDAR); ++ SAY (" DCSR"); ++ SAYV(r->RdDCSR); ++ SAY (" DBSA (address buf A) "); ++ SAYV(r->DBSA); ++ SAY (" DBTA (transfer count A) "); ++ SAYV(r->DBTA); ++ SAY (" DBSB (address buf B) "); ++ SAYV(r->DBSB); ++ SAY (" DBTB (transfer count B) "); ++ SAYV(r->DBTB); ++ ++ } ++#endif ++#if 1 ++ v = Ser0UDCCS0; ++ SAY ("\nUDC Endpoint Zero Status Register\n"); ++ SAYV (v); ++ SAYC ("Out Packet Ready", (v & UDCCS0_OPR) ? yes : no); ++ SAYC ("In Packet Ready", (v & UDCCS0_IPR) ? yes : no); ++ SAYC ("Sent Stall", (v & UDCCS0_SST) ? yes : no); ++ SAYC ("Force Stall", (v & UDCCS0_FST) ? yes : no); ++ SAYC ("Data End", (v & UDCCS0_DE) ? yes : no); ++ SAYC ("Data Setup End", (v & UDCCS0_SE) ? yes : no); ++ SAYC ("Serviced (SO)", (v & UDCCS0_SO) ? yes : no); ++ ++ v = Ser0UDCCS1; ++ SAY ("\nUDC Receiver Status Register\n"); ++ SAYV (v); ++ SAYC ("Receive Packet Complete", (v & UDCCS1_RPC) ? yes : no); ++ SAYC ("Sent Stall", (v & UDCCS1_SST) ? yes : no); ++ SAYC ("Force Stall", (v & UDCCS1_FST) ? yes : no); ++ SAYC ("Receive Packet Error", (v & UDCCS1_RPE) ? yes : no); ++ SAYC ("Receive FIFO not empty", (v & UDCCS1_RNE) ? yes : no); ++ ++ v = Ser0UDCCS2; ++ SAY ("\nUDC Transmitter Status Register\n"); ++ SAYV (v); ++ SAYC ("FIFO has < 8 of 16 chars", (v & UDCCS2_TFS) ? yes : no); ++ SAYC ("Transmit Packet Complete", (v & UDCCS2_TPC) ? yes : no); ++ SAYC ("Transmit FIFO underrun", (v & UDCCS2_TUR) ? yes : no); ++ SAYC ("Transmit Packet Error", (v & UDCCS2_TPE) ? yes : no); ++ SAYC ("Sent Stall", (v & UDCCS2_SST) ? yes : no); ++ SAYC ("Force Stall", (v & UDCCS2_FST) ? yes : no); ++#endif ++ ++ len = (p - page) - off; ++ if (len < 0) ++ len = 0; ++ *eof = (len <=count) ? 1 : 0; ++ *start = page + off; ++ return len; ++} ++ ++static inline void register_proc_entry (void) ++{ ++ create_proc_read_entry (driver_name, 0, NULL, ++ usbctl_read_proc, NULL); ++} ++ ++static inline void unregister_proc_entry (void) ++{ ++ remove_proc_entry (driver_name, NULL); ++} ++ ++#else ++ ++#define register_proc_entry() do {} while (0) ++#define unregister_proc_entry() do {} while (0) ++ ++#endif /* CONFIG_PROC_FS */ ++ ++/*-------------------------------------------------------------------------*/ ++ ++MODULE_DESCRIPTION ("sa1100_udc"); ++MODULE_AUTHOR ("Various"); ++MODULE_LICENSE ("GPL"); ++ ++static struct sa1100_udc memory = { ++ .gadget = { ++ .ops = &sa1100_ops, ++ .ep0 = &memory.ep[0].ep, ++ .name = driver_name, ++/* ++ .dev = { ++ .bus_id = "gadget", ++ .release = nop_release, ++ }, ++*/ ++ }, ++ ++ /* control endpoint */ ++ .ep[0] = { ++ .ep = { ++ .name = ep0name, ++ .ops = &sa1100_ep_ops, ++ .maxpacket = EP0_FIFO_SIZE, ++// .maxpacket = 8, ++ }, ++ .dev = &memory, ++/* ++ .reg_udccs = &UDCCS0, ++ .reg_uddr = &UDDR0, ++*/ ++ }, ++ ++ /* first group of endpoints */ ++ .ep[1] = { ++ .ep = { ++ .name = "ep1out-bulk", ++ .ops = &sa1100_ep_ops, ++ .maxpacket = BULK_FIFO_SIZE, ++// .maxpacket = 64, ++ }, ++ .dev = &memory, ++/* ++ .fifo_size = BULK_FIFO_SIZE, ++ .bEndpointAddress = USB_DIR_IN | 1, ++ .bmAttributes = USB_ENDPOINT_XFER_BULK, ++ .reg_udccs = &UDCCS1, ++ .reg_uddr = &UDDR1, ++ drcmr (25) ++*/ ++ }, ++ .ep[2] = { ++ .ep = { ++ .name = "ep2in-bulk", ++ .ops = &sa1100_ep_ops, ++ .maxpacket = BULK_FIFO_SIZE, ++// .maxpacket = 64, ++ }, ++ .dev = &memory, ++/* ++ .fifo_size = BULK_FIFO_SIZE, ++ .bEndpointAddress = 2, ++ .bmAttributes = USB_ENDPOINT_XFER_BULK, ++ .reg_udccs = &UDCCS2, ++ .reg_ubcr = &UBCR2, ++ .reg_uddr = &UDDR2, ++ drcmr (26) ++*/ ++ } ++}; ++
++static int __init sa1100_udc_probe ( struct device *_dev) ++{ ++ struct sa1100_udc *dev=&memory; ++ int retval = 0; ++ ++ /* setup dev */ ++ dev->dev = _dev; ++// dev->mach = _dev->platform_data; ++ ++ device_initialize(&dev->gadget.dev); ++ dev->gadget.dev.parent = _dev; ++ dev->gadget.dev.dma_mask = _dev->dma_mask; ++ ++ the_controller = dev; ++ dev_set_drvdata(_dev, dev); ++ ++ /* controller stays disabled until gadget driver is bound */ ++ udc_disable (dev); ++ udc_reinit(dev); ++ ++// spin_lock_init(&the_udc.lock); ++ register_proc_entry (); ++ ++ /* setup dma channels and IRQ */ ++ retval = sa1100_request_dma(DMA_Ser0UDCRd, "USB receive", ++ NULL, NULL, &dev->ep[1].dmaregs); ++ if (retval) { ++ ERROR (dev, "couldn't get rx dma, err %d\n", retval); ++ goto err_rx_dma; ++ } ++ retval = sa1100_request_dma(DMA_Ser0UDCWr, "USB transmit", ++ NULL, NULL, &dev->ep[2].dmaregs); ++ if (retval) { ++ ERROR (dev, "couldn't get tx dma, err %d\n", retval); ++ goto err_tx_dma; ++ } ++ retval = request_irq (IRQ_Ser0UDC, udc_int_hndlr, SA_INTERRUPT, ++ driver_name, dev); ++ if (retval) { ++ ERROR (dev, "couldn't get irq, err %d\n", retval); ++ goto err_irq; ++ } ++ ++ INFO (dev, "initialized, rx %p tx %p irq %d\n", ++ dev->ep[1].dmaregs, dev->ep[2].dmaregs, IRQ_Ser0UDC); ++ return 0; ++ ++err_irq: ++ sa1100_free_dma (dev->ep[2].dmaregs); ++ usbd_info.dmaregs_rx = 0; ++err_tx_dma: ++ sa1100_free_dma (dev->ep[1].dmaregs); ++ usbd_info.dmaregs_tx = 0; ++err_rx_dma: ++ return retval; ++} ++ ++static int __exit sa1100_udc_remove (struct device *_dev) ++{ ++ struct sa1100_udc *dev = dev_get_drvdata(_dev); ++ ++ udc_disable (dev); ++ unregister_proc_entry (); ++ usb_gadget_unregister_driver (dev->driver); ++ sa1100_free_dma (dev->ep[1].dmaregs); ++ sa1100_free_dma (dev->ep[2].dmaregs); ++ free_irq (IRQ_Ser0UDC, dev); ++ dev_set_drvdata(_dev,NULL); ++ the_controller = NULL; ++ return 0; ++} ++ ++static struct device_driver udc_driver = { ++ .name = "sa11x0-udc", ++ .bus = &platform_bus_type, ++ .probe = sa1100_udc_probe, ++ .remove = __exit_p(sa1100_udc_remove), ++// .suspend = sa1100_udc_suspend, ++// .resume = sa1100_udc_resume, ++}; ++ ++static int __init udc_init(void) ++{ ++ printk(KERN_INFO "%s: version %s\n", driver_name, DRIVER_VERSION); ++#ifdef NCB_DMA_FIX ++ send_buffer = (char*) kmalloc( SEND_BUFFER_SIZE, GFP_KERNEL | GFP_DMA ); ++ receive_buffer = (char*) kmalloc( RECEIVE_BUFFER_SIZE, GFP_KERNEL | GFP_DMA ); ++#endif ++ return driver_register(&udc_driver); ++} ++module_init(udc_init); ++ ++static void __exit udc_exit(void) ++{ ++#ifdef NCB_DMA_FIX ++ if (send_buffer) { ++ kfree(send_buffer); ++ send_buffer=NULL; ++ } ++ if (receive_buffer) { ++ kfree(receive_buffer); ++ receive_buffer=NULL; ++ } ++#endif ++ driver_unregister(&udc_driver); ++} ++module_exit(udc_exit); ++ +diff -uNr linux-2.6.21.vanilla/drivers/usb/gadget/sa1100_udc.h linux-2.6.21/drivers/usb/gadget/sa1100_udc.h +--- linux-2.6.21.vanilla/drivers/usb/gadget/sa1100_udc.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.21/drivers/usb/gadget/sa1100_udc.h 2007-06-05 11:58:29.000000000 +0200 +@@ -0,0 +1,107 @@ ++/*
++ * internals of "new style" UDC controller
++ * <linux/usb_gadget.h> replaces ARM-specific "sa1100_usb.h".
++ */
++
++struct sa1100_ep {
++ struct usb_ep ep;
++ struct sa1100_udc *dev;
++ //unsigned long irqs;
++
++ const struct usb_endpoint_descriptor *desc;
++ struct list_head queue;
++ dma_regs_t *dmaregs; ++ unsigned stopped : 1;
++};
++
++struct sa1100_request {
++ struct usb_request req;
++ struct list_head queue;
++// NCB unsigned mapped : 1;
++};
++
++enum ep0_state { ++ EP0_IDLE, ++ EP0_IN_DATA_PHASE, ++ EP0_OUT_DATA_PHASE, ++ EP0_END_XFER, ++ EP0_STALL, ++}; ++ ++//#define EP0_FIFO_SIZE ((unsigned)16) ++#define EP0_FIFO_SIZE ((unsigned)8) ++#define BULK_FIFO_SIZE ((unsigned)64) ++//#define ISO_FIFO_SIZE ((unsigned)256) ++//#define INT_FIFO_SIZE ((unsigned)8) ++ ++struct udc_stats { ++ struct ep0stats { ++ unsigned long ops; ++ unsigned long bytes; ++ } read, write; ++ unsigned long irqs; ++}; ++ ++struct sa1100_udc {
++ struct usb_gadget gadget;
++ struct usb_gadget_driver *driver; ++ struct device *dev; ++ enum ep0_state ep0state; ++ struct udc_stats stats; ++// NCB spinlock_t lock;
++// NCB dma_regs_t *dmaregs_tx, *dmaregs_rx;
++ unsigned got_irq : 1, ++ vbus : 1, ++ pullup : 1, ++ has_cfr : 1, ++ req_pending : 1, ++ req_std : 1, ++ req_config : 1; ++ ++#define start_watchdog(dev) mod_timer(&dev->timer, jiffies + (HZ/200)) ++ struct timer_list timer; ++ u64 dma_mask; ++ unsigned char address;
++ struct sa1100_ep ep[3]; ++ int ep0_req_len; ++};
++
++/*-------------------------------------------------------------------------*/
++
++#define xprintk(dev,level,fmt,args...) \
++ printk(level "%s: " fmt , driver_name , ## args)
++
++#ifdef DEBUG
++#undef DEBUG
++#define DEBUG(dev,fmt,args...) \
++ xprintk(dev , KERN_DEBUG , fmt , ## args)
++#else
++#define DEBUG(dev,fmt,args...) \
++ do { } while (0)
++#endif /* DEBUG */
++
++#ifdef VERBOSE
++#define VDEBUG DEBUG
++#else
++#define VDEBUG(dev,fmt,args...) \
++ do { } while (0)
++#endif /* VERBOSE */
++
++#define ERROR(dev,fmt,args...) \
++ xprintk(dev , KERN_ERR , fmt , ## args)
++#define WARN(dev,fmt,args...) \
++ xprintk(dev , KERN_WARNING , fmt , ## args)
++#define INFO(dev,fmt,args...) \
++ xprintk(dev , KERN_INFO , fmt , ## args)
++
++/*-------------------------------------------------------------------------*/
++
++#ifndef container_of
++#define container_of list_entry
++#endif
++
++#ifndef WARN_ON
++#define WARN_ON(x) do { } while (0)
++#endif
++
++
+diff -uNr linux-2.6.21.vanilla/include/linux/usb_ch9.h linux-2.6.21/include/linux/usb_ch9.h +--- linux-2.6.21.vanilla/include/linux/usb_ch9.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.21/include/linux/usb_ch9.h 2007-06-05 11:58:29.000000000 +0200 +@@ -0,0 +1,555 @@ ++/* ++ * This file holds USB constants and structures that are needed for USB ++ * device APIs. These are used by the USB device model, which is defined ++ * in chapter 9 of the USB 2.0 specification. Linux has several APIs in C ++ * that need these: ++ * ++ * - the master/host side Linux-USB kernel driver API; ++ * - the "usbfs" user space API; and ++ * - the Linux "gadget" slave/device/peripheral side driver API. ++ * ++ * USB 2.0 adds an additional "On The Go" (OTG) mode, which lets systems ++ * act either as a USB master/host or as a USB slave/device. That means ++ * the master and slave side APIs benefit from working well together. ++ * ++ * There's also "Wireless USB", using low power short range radios for ++ * peripheral interconnection but otherwise building on the USB framework. ++ */ ++ ++#ifndef __LINUX_USB_CH9_H ++#define __LINUX_USB_CH9_H ++ ++#include <linux/types.h> /* __u8 etc */ ++ ++/*-------------------------------------------------------------------------*/ ++ ++/* CONTROL REQUEST SUPPORT */ ++ ++/* ++ * USB directions ++ * ++ * This bit flag is used in endpoint descriptors' bEndpointAddress field. ++ * It's also one of three fields in control requests bRequestType. ++ */ ++#define USB_DIR_OUT 0 /* to device */ ++#define USB_DIR_IN 0x80 /* to host */ ++ ++/* ++ * USB types, the second of three bRequestType fields ++ */ ++#define USB_TYPE_MASK (0x03 << 5) ++#define USB_TYPE_STANDARD (0x00 << 5) ++#define USB_TYPE_CLASS (0x01 << 5) ++#define USB_TYPE_VENDOR (0x02 << 5) ++#define USB_TYPE_RESERVED (0x03 << 5) ++ ++/* ++ * USB recipients, the third of three bRequestType fields ++ */ ++#define USB_RECIP_MASK 0x1f ++#define USB_RECIP_DEVICE 0x00 ++#define USB_RECIP_INTERFACE 0x01 ++#define USB_RECIP_ENDPOINT 0x02 ++#define USB_RECIP_OTHER 0x03 ++ ++/* ++ * Standard requests, for the bRequest field of a SETUP packet. ++ * ++ * These are qualified by the bRequestType field, so that for example ++ * TYPE_CLASS or TYPE_VENDOR specific feature flags could be retrieved ++ * by a GET_STATUS request. ++ */ ++#define USB_REQ_GET_STATUS 0x00 ++#define USB_REQ_CLEAR_FEATURE 0x01 ++#define USB_REQ_SET_FEATURE 0x03 ++#define USB_REQ_SET_ADDRESS 0x05 ++#define USB_REQ_GET_DESCRIPTOR 0x06 ++#define USB_REQ_SET_DESCRIPTOR 0x07 ++#define USB_REQ_GET_CONFIGURATION 0x08 ++#define USB_REQ_SET_CONFIGURATION 0x09 ++#define USB_REQ_GET_INTERFACE 0x0A ++#define USB_REQ_SET_INTERFACE 0x0B ++#define USB_REQ_SYNCH_FRAME 0x0C ++ ++#define USB_REQ_SET_ENCRYPTION 0x0D /* Wireless USB */ ++#define USB_REQ_GET_ENCRYPTION 0x0E ++#define USB_REQ_SET_HANDSHAKE 0x0F ++#define USB_REQ_GET_HANDSHAKE 0x10 ++#define USB_REQ_SET_CONNECTION 0x11 ++#define USB_REQ_SET_SECURITY_DATA 0x12 ++#define USB_REQ_GET_SECURITY_DATA 0x13 ++#define USB_REQ_SET_WUSB_DATA 0x14 ++#define USB_REQ_LOOPBACK_DATA_WRITE 0x15 ++#define USB_REQ_LOOPBACK_DATA_READ 0x16 ++#define USB_REQ_SET_INTERFACE_DS 0x17 ++ ++/* ++ * USB feature flags are written using USB_REQ_{CLEAR,SET}_FEATURE, and ++ * are read as a bit array returned by USB_REQ_GET_STATUS. (So there ++ * are at most sixteen features of each type.) ++ */ ++#define USB_DEVICE_SELF_POWERED 0 /* (read only) */ ++#define USB_DEVICE_REMOTE_WAKEUP 1 /* dev may initiate wakeup */ ++#define USB_DEVICE_TEST_MODE 2 /* (wired high speed only) */ ++#define USB_DEVICE_BATTERY 2 /* (wireless) */ ++#define USB_DEVICE_B_HNP_ENABLE 3 /* (otg) dev may initiate HNP */ ++#define USB_DEVICE_WUSB_DEVICE 3 /* (wireless)*/ ++#define USB_DEVICE_A_HNP_SUPPORT 4 /* (otg) RH port supports HNP */ ++#define USB_DEVICE_A_ALT_HNP_SUPPORT 5 /* (otg) other RH port does */ ++#define USB_DEVICE_DEBUG_MODE 6 /* (special devices only) */ ++ ++#define USB_ENDPOINT_HALT 0 /* IN/OUT will STALL */ ++ ++ ++/** ++ * struct usb_ctrlrequest - SETUP data for a USB device control request ++ * @bRequestType: matches the USB bmRequestType field ++ * @bRequest: matches the USB bRequest field ++ * @wValue: matches the USB wValue field (le16 byte order) ++ * @wIndex: matches the USB wIndex field (le16 byte order) ++ * @wLength: matches the USB wLength field (le16 byte order) ++ * ++ * This structure is used to send control requests to a USB device. It matches ++ * the different fields of the USB 2.0 Spec section 9.3, table 9-2. See the ++ * USB spec for a fuller description of the different fields, and what they are ++ * used for. ++ * ++ * Note that the driver for any interface can issue control requests. ++ * For most devices, interfaces don't coordinate with each other, so ++ * such requests may be made at any time. ++ */ ++struct usb_ctrlrequest { ++ __u8 bRequestType; ++ __u8 bRequest; ++ __le16 wValue; ++ __le16 wIndex; ++ __le16 wLength; ++} __attribute__ ((packed)); ++ ++/*-------------------------------------------------------------------------*/ ++ ++/* ++ * STANDARD DESCRIPTORS ... as returned by GET_DESCRIPTOR, or ++ * (rarely) accepted by SET_DESCRIPTOR. ++ * ++ * Note that all multi-byte values here are encoded in little endian ++ * byte order "on the wire". But when exposed through Linux-USB APIs, ++ * they've been converted to cpu byte order. ++ */ ++ ++/* ++ * Descriptor types ... USB 2.0 spec table 9.5 ++ */ ++#define USB_DT_DEVICE 0x01 ++#define USB_DT_CONFIG 0x02 ++#define USB_DT_STRING 0x03 ++#define USB_DT_INTERFACE 0x04 ++#define USB_DT_ENDPOINT 0x05 ++#define USB_DT_DEVICE_QUALIFIER 0x06 ++#define USB_DT_OTHER_SPEED_CONFIG 0x07 ++#define USB_DT_INTERFACE_POWER 0x08 ++/* these are from a minor usb 2.0 revision (ECN) */ ++#define USB_DT_OTG 0x09 ++#define USB_DT_DEBUG 0x0a ++#define USB_DT_INTERFACE_ASSOCIATION 0x0b ++/* these are from the Wireless USB spec */ ++#define USB_DT_SECURITY 0x0c ++#define USB_DT_KEY 0x0d ++#define USB_DT_ENCRYPTION_TYPE 0x0e ++#define USB_DT_BOS 0x0f ++#define USB_DT_DEVICE_CAPABILITY 0x10 ++#define USB_DT_WIRELESS_ENDPOINT_COMP 0x11 ++ ++/* conventional codes for class-specific descriptors */ ++#define USB_DT_CS_DEVICE 0x21 ++#define USB_DT_CS_CONFIG 0x22 ++#define USB_DT_CS_STRING 0x23 ++#define USB_DT_CS_INTERFACE 0x24 ++#define USB_DT_CS_ENDPOINT 0x25 ++ ++/* All standard descriptors have these 2 fields at the beginning */ ++struct usb_descriptor_header { ++ __u8 bLength; ++ __u8 bDescriptorType; ++} __attribute__ ((packed)); ++ ++ ++/*-------------------------------------------------------------------------*/ ++ ++/* USB_DT_DEVICE: Device descriptor */ ++struct usb_device_descriptor { ++ __u8 bLength; ++ __u8 bDescriptorType; ++ ++ __le16 bcdUSB; ++ __u8 bDeviceClass; ++ __u8 bDeviceSubClass; ++ __u8 bDeviceProtocol; ++ __u8 bMaxPacketSize0; ++ __le16 idVendor; ++ __le16 idProduct; ++ __le16 bcdDevice; ++ __u8 iManufacturer; ++ __u8 iProduct; ++ __u8 iSerialNumber; ++ __u8 bNumConfigurations; ++} __attribute__ ((packed)); ++ ++#define USB_DT_DEVICE_SIZE 18 ++ ++ ++/* ++ * Device and/or Interface Class codes ++ * as found in bDeviceClass or bInterfaceClass ++ * and defined by www.usb.org documents ++ */ ++#define USB_CLASS_PER_INTERFACE 0 /* for DeviceClass */ ++#define USB_CLASS_AUDIO 1 ++#define USB_CLASS_COMM 2 ++#define USB_CLASS_HID 3 ++#define USB_CLASS_PHYSICAL 5 ++#define USB_CLASS_STILL_IMAGE 6 ++#define USB_CLASS_PRINTER 7 ++#define USB_CLASS_MASS_STORAGE 8 ++#define USB_CLASS_HUB 9 ++#define USB_CLASS_CDC_DATA 0x0a ++#define USB_CLASS_CSCID 0x0b /* chip+ smart card */ ++#define USB_CLASS_CONTENT_SEC 0x0d /* content security */ ++#define USB_CLASS_VIDEO 0x0e ++#define USB_CLASS_WIRELESS_CONTROLLER 0xe0 ++#define USB_CLASS_APP_SPEC 0xfe ++#define USB_CLASS_VENDOR_SPEC 0xff ++ ++/*-------------------------------------------------------------------------*/ ++ ++/* USB_DT_CONFIG: Configuration descriptor information. ++ * ++ * USB_DT_OTHER_SPEED_CONFIG is the same descriptor, except that the ++ * descriptor type is different. Highspeed-capable devices can look ++ * different depending on what speed they're currently running. Only ++ * devices with a USB_DT_DEVICE_QUALIFIER have any OTHER_SPEED_CONFIG ++ * descriptors. ++ */ ++struct usb_config_descriptor { ++ __u8 bLength; ++ __u8 bDescriptorType; ++ ++ __le16 wTotalLength; ++ __u8 bNumInterfaces; ++ __u8 bConfigurationValue; ++ __u8 iConfiguration; ++ __u8 bmAttributes; ++ __u8 bMaxPower; ++} __attribute__ ((packed)); ++ ++#define USB_DT_CONFIG_SIZE 9 ++ ++/* from config descriptor bmAttributes */ ++#define USB_CONFIG_ATT_ONE (1 << 7) /* must be set */ ++#define USB_CONFIG_ATT_SELFPOWER (1 << 6) /* self powered */ ++#define USB_CONFIG_ATT_WAKEUP (1 << 5) /* can wakeup */ ++#define USB_CONFIG_ATT_BATTERY (1 << 4) /* battery powered */ ++ ++/*-------------------------------------------------------------------------*/ ++ ++/* USB_DT_STRING: String descriptor */ ++struct usb_string_descriptor { ++ __u8 bLength; ++ __u8 bDescriptorType; ++ ++ __le16 wData[1]; /* UTF-16LE encoded */ ++} __attribute__ ((packed)); ++ ++/* note that "string" zero is special, it holds language codes that ++ * the device supports, not Unicode characters. ++ */ ++ ++/*-------------------------------------------------------------------------*/ ++ ++/* USB_DT_INTERFACE: Interface descriptor */ ++struct usb_interface_descriptor { ++ __u8 bLength; ++ __u8 bDescriptorType; ++ ++ __u8 bInterfaceNumber; ++ __u8 bAlternateSetting; ++ __u8 bNumEndpoints; ++ __u8 bInterfaceClass; ++ __u8 bInterfaceSubClass; ++ __u8 bInterfaceProtocol; ++ __u8 iInterface; ++} __attribute__ ((packed)); ++ ++#define USB_DT_INTERFACE_SIZE 9 ++ ++/*-------------------------------------------------------------------------*/ ++ ++/* USB_DT_ENDPOINT: Endpoint descriptor */ ++struct usb_endpoint_descriptor { ++ __u8 bLength; ++ __u8 bDescriptorType; ++ ++ __u8 bEndpointAddress; ++ __u8 bmAttributes; ++ __le16 wMaxPacketSize; ++ __u8 bInterval; ++ ++ /* NOTE: these two are _only_ in audio endpoints. */ ++ /* use USB_DT_ENDPOINT*_SIZE in bLength, not sizeof. */ ++ __u8 bRefresh; ++ __u8 bSynchAddress; ++} __attribute__ ((packed)); ++ ++#define USB_DT_ENDPOINT_SIZE 7 ++#define USB_DT_ENDPOINT_AUDIO_SIZE 9 /* Audio extension */ ++ ++ ++/* ++ * Endpoints ++ */ ++#define USB_ENDPOINT_NUMBER_MASK 0x0f /* in bEndpointAddress */ ++#define USB_ENDPOINT_DIR_MASK 0x80 ++ ++#define USB_ENDPOINT_XFERTYPE_MASK 0x03 /* in bmAttributes */ ++#define USB_ENDPOINT_XFER_CONTROL 0 ++#define USB_ENDPOINT_XFER_ISOC 1 ++#define USB_ENDPOINT_XFER_BULK 2 ++#define USB_ENDPOINT_XFER_INT 3 ++#define USB_ENDPOINT_MAX_ADJUSTABLE 0x80 ++ ++ ++/*-------------------------------------------------------------------------*/ ++ ++/* USB_DT_DEVICE_QUALIFIER: Device Qualifier descriptor */ ++struct usb_qualifier_descriptor { ++ __u8 bLength; ++ __u8 bDescriptorType; ++ ++ __le16 bcdUSB; ++ __u8 bDeviceClass; ++ __u8 bDeviceSubClass; ++ __u8 bDeviceProtocol; ++ __u8 bMaxPacketSize0; ++ __u8 bNumConfigurations; ++ __u8 bRESERVED; ++} __attribute__ ((packed)); ++ ++ ++/*-------------------------------------------------------------------------*/ ++ ++/* USB_DT_OTG (from OTG 1.0a supplement) */ ++struct usb_otg_descriptor { ++ __u8 bLength; ++ __u8 bDescriptorType; ++ ++ __u8 bmAttributes; /* support for HNP, SRP, etc */ ++} __attribute__ ((packed)); ++ ++/* from usb_otg_descriptor.bmAttributes */ ++#define USB_OTG_SRP (1 << 0) ++#define USB_OTG_HNP (1 << 1) /* swap host/device roles */ ++ ++/*-------------------------------------------------------------------------*/ ++ ++/* USB_DT_DEBUG: for special highspeed devices, replacing serial console */ ++struct usb_debug_descriptor { ++ __u8 bLength; ++ __u8 bDescriptorType; ++ ++ /* bulk endpoints with 8 byte maxpacket */ ++ __u8 bDebugInEndpoint; ++ __u8 bDebugOutEndpoint; ++}; ++ ++/*-------------------------------------------------------------------------*/ ++ ++/* USB_DT_INTERFACE_ASSOCIATION: groups interfaces */ ++struct usb_interface_assoc_descriptor { ++ __u8 bLength; ++ __u8 bDescriptorType; ++ ++ __u8 bFirstInterface; ++ __u8 bInterfaceCount; ++ __u8 bFunctionClass; ++ __u8 bFunctionSubClass; ++ __u8 bFunctionProtocol; ++ __u8 iFunction; ++} __attribute__ ((packed)); ++ ++ ++/*-------------------------------------------------------------------------*/ ++ ++/* USB_DT_SECURITY: group of wireless security descriptors, including ++ * encryption types available for setting up a CC/association. ++ */ ++struct usb_security_descriptor { ++ __u8 bLength; ++ __u8 bDescriptorType; ++ ++ __le16 wTotalLength; ++ __u8 bNumEncryptionTypes; ++}; ++ ++/*-------------------------------------------------------------------------*/ ++ ++/* USB_DT_KEY: used with {GET,SET}_SECURITY_DATA; only public keys ++ * may be retrieved. ++ */ ++struct usb_key_descriptor { ++ __u8 bLength; ++ __u8 bDescriptorType; ++ ++ __u8 tTKID[3]; ++ __u8 bReserved; ++ __u8 bKeyData[0]; ++}; ++ ++/*-------------------------------------------------------------------------*/ ++ ++/* USB_DT_ENCRYPTION_TYPE: bundled in DT_SECURITY groups */ ++struct usb_encryption_descriptor { ++ __u8 bLength; ++ __u8 bDescriptorType; ++ ++ __u8 bEncryptionType; ++#define USB_ENC_TYPE_UNSECURE 0 ++#define USB_ENC_TYPE_WIRED 1 /* non-wireless mode */ ++#define USB_ENC_TYPE_CCM_1 2 /* aes128/cbc session */ ++#define USB_ENC_TYPE_RSA_1 3 /* rsa3072/sha1 auth */ ++ __u8 bEncryptionValue; /* use in SET_ENCRYPTION */ ++ __u8 bAuthKeyIndex; ++}; ++ ++ ++/*-------------------------------------------------------------------------*/ ++ ++/* USB_DT_BOS: group of wireless capabilities */ ++struct usb_bos_descriptor { ++ __u8 bLength; ++ __u8 bDescriptorType; ++ ++ __le16 wTotalLength; ++ __u8 bNumDeviceCaps; ++}; ++ ++/*-------------------------------------------------------------------------*/ ++ ++/* USB_DT_DEVICE_CAPABILITY: grouped with BOS */ ++struct usb_dev_cap_header { ++ __u8 bLength; ++ __u8 bDescriptorType; ++ __u8 bDevCapabilityType; ++}; ++ ++#define USB_CAP_TYPE_WIRELESS_USB 1 ++ ++struct usb_wireless_cap_descriptor { /* Ultra Wide Band */ ++ __u8 bLength; ++ __u8 bDescriptorType; ++ __u8 bDevCapabilityType; ++ ++ __u8 bmAttributes; ++#define USB_WIRELESS_P2P_DRD (1 << 1) ++#define USB_WIRELESS_BEACON_MASK (3 << 2) ++#define USB_WIRELESS_BEACON_SELF (1 << 2) ++#define USB_WIRELESS_BEACON_DIRECTED (2 << 2) ++#define USB_WIRELESS_BEACON_NONE (3 << 2) ++ __le16 wPHYRates; /* bit rates, Mbps */ ++#define USB_WIRELESS_PHY_53 (1 << 0) /* always set */ ++#define USB_WIRELESS_PHY_80 (1 << 1) ++#define USB_WIRELESS_PHY_107 (1 << 2) /* always set */ ++#define USB_WIRELESS_PHY_160 (1 << 3) ++#define USB_WIRELESS_PHY_200 (1 << 4) /* always set */ ++#define USB_WIRELESS_PHY_320 (1 << 5) ++#define USB_WIRELESS_PHY_400 (1 << 6) ++#define USB_WIRELESS_PHY_480 (1 << 7) ++ __u8 bmTFITXPowerInfo; /* TFI power levels */ ++ __u8 bmFFITXPowerInfo; /* FFI power levels */ ++ __le16 bmBandGroup; ++ __u8 bReserved; ++}; ++ ++/*-------------------------------------------------------------------------*/ ++ ++/* USB_DT_WIRELESS_ENDPOINT_COMP: companion descriptor associated with ++ * each endpoint descriptor for a wireless device ++ */ ++struct usb_wireless_ep_comp_descriptor { ++ __u8 bLength; ++ __u8 bDescriptorType; ++ ++ __u8 bMaxBurst; ++ __u8 bMaxSequence; ++ __le16 wMaxStreamDelay; ++ __le16 wOverTheAirPacketSize; ++ __u8 bOverTheAirInterval; ++ __u8 bmCompAttributes; ++#define USB_ENDPOINT_SWITCH_MASK 0x03 /* in bmCompAttributes */ ++#define USB_ENDPOINT_SWITCH_NO 0 ++#define USB_ENDPOINT_SWITCH_SWITCH 1 ++#define USB_ENDPOINT_SWITCH_SCALE 2 ++}; ++ ++/*-------------------------------------------------------------------------*/ ++ ++/* USB_REQ_SET_HANDSHAKE is a four-way handshake used between a wireless ++ * host and a device for connection set up, mutual authentication, and ++ * exchanging short lived session keys. The handshake depends on a CC. ++ */ ++struct usb_handshake { ++ __u8 bMessageNumber; ++ __u8 bStatus; ++ __u8 tTKID[3]; ++ __u8 bReserved; ++ __u8 CDID[16]; ++ __u8 nonce[16]; ++ __u8 MIC[8]; ++}; ++ ++/*-------------------------------------------------------------------------*/ ++ ++/* USB_REQ_SET_CONNECTION modifies or revokes a connection context (CC). ++ * A CC may also be set up using non-wireless secure channels (including ++ * wired USB!), and some devices may support CCs with multiple hosts. ++ */ ++struct usb_connection_context { ++ __u8 CHID[16]; /* persistent host id */ ++ __u8 CDID[16]; /* device id (unique w/in host context) */ ++ __u8 CK[16]; /* connection key */ ++}; ++ ++/*-------------------------------------------------------------------------*/ ++ ++/* USB 2.0 defines three speeds, here's how Linux identifies them */ ++ ++enum usb_device_speed { ++ USB_SPEED_UNKNOWN = 0, /* enumerating */ ++ USB_SPEED_LOW, USB_SPEED_FULL, /* usb 1.1 */ ++ USB_SPEED_HIGH, /* usb 2.0 */ ++ USB_SPEED_VARIABLE, /* wireless (usb 2.5) */ ++}; ++ ++enum usb_device_state { ++ /* NOTATTACHED isn't in the USB spec, and this state acts ++ * the same as ATTACHED ... but it's clearer this way. ++ */ ++ USB_STATE_NOTATTACHED = 0, ++ ++ /* chapter 9 and authentication (wireless) device states */ ++ USB_STATE_ATTACHED, ++ USB_STATE_POWERED, /* wired */ ++ USB_STATE_UNAUTHENTICATED, /* auth */ ++ USB_STATE_RECONNECTING, /* auth */ ++ USB_STATE_DEFAULT, /* limited function */ ++ USB_STATE_ADDRESS, ++ USB_STATE_CONFIGURED, /* most functions */ ++ ++ USB_STATE_SUSPENDED ++ ++ /* NOTE: there are actually four different SUSPENDED ++ * states, returning to POWERED, DEFAULT, ADDRESS, or ++ * CONFIGURED respectively when SOF tokens flow again. ++ */ ++}; ++ ++#endif /* __LINUX_USB_CH9_H */ |