X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=include%2Fusb.h;h=4689db624db291d51cc0a6ad0fee3676ff8c1f98;hb=c60795f41d37600b6ebd79ec99252ec2f5efecd4;hp=510df95d628e887fc49eaf3b9c58367f254e43e0;hpb=cb5473205206c7f14cbb1e747f28ec75b48826e2;p=u-boot diff --git a/include/usb.h b/include/usb.h index 510df95d62..4689db624d 100644 --- a/include/usb.h +++ b/include/usb.h @@ -27,6 +27,17 @@ #define _USB_H_ #include +#include + +/* + * The EHCI spec says that we must align to at least 32 bytes. However, + * some platforms require larger alignment. + */ +#if ARCH_DMA_MINALIGN > 32 +#define USB_DMA_MINALIGN ARCH_DMA_MINALIGN +#else +#define USB_DMA_MINALIGN 32 +#endif /* Everything is aribtrary */ #define USB_ALTSETTINGALLOC 4 @@ -41,12 +52,11 @@ #define USB_CNTL_TIMEOUT 100 /* 100ms timeout */ -/* String descriptor */ -struct usb_string_descriptor { - unsigned char bLength; - unsigned char bDescriptorType; - unsigned short wData[1]; -} __attribute__ ((packed)); +/* + * This is the timeout to allow for submitting an urb in ms. We allow more + * time for a BULK device to react - some are slow. + */ +#define USB_TIMEOUT_MS(pipe) (usb_pipebulk(pipe) ? 5000 : 1000) /* device request (setup) */ struct devrequest { @@ -57,53 +67,9 @@ struct devrequest { unsigned short length; } __attribute__ ((packed)); -/* All standard descriptors have these 2 fields in common */ -struct usb_descriptor_header { - unsigned char bLength; - unsigned char bDescriptorType; -} __attribute__ ((packed)); - -/* Device descriptor */ -struct usb_device_descriptor { - unsigned char bLength; - unsigned char bDescriptorType; - unsigned short bcdUSB; - unsigned char bDeviceClass; - unsigned char bDeviceSubClass; - unsigned char bDeviceProtocol; - unsigned char bMaxPacketSize0; - unsigned short idVendor; - unsigned short idProduct; - unsigned short bcdDevice; - unsigned char iManufacturer; - unsigned char iProduct; - unsigned char iSerialNumber; - unsigned char bNumConfigurations; -} __attribute__ ((packed)); - -/* Endpoint descriptor */ -struct usb_endpoint_descriptor { - unsigned char bLength; - unsigned char bDescriptorType; - unsigned char bEndpointAddress; - unsigned char bmAttributes; - unsigned short wMaxPacketSize; - unsigned char bInterval; - unsigned char bRefresh; - unsigned char bSynchAddress; -} __attribute__ ((packed)) __attribute__ ((aligned(2))); - -/* Interface descriptor */ -struct usb_interface_descriptor { - unsigned char bLength; - unsigned char bDescriptorType; - unsigned char bInterfaceNumber; - unsigned char bAlternateSetting; - unsigned char bNumEndpoints; - unsigned char bInterfaceClass; - unsigned char bInterfaceSubClass; - unsigned char bInterfaceProtocol; - unsigned char iInterface; +/* Interface */ +struct usb_interface { + struct usb_interface_descriptor desc; unsigned char no_of_ep; unsigned char num_altsetting; @@ -112,20 +78,12 @@ struct usb_interface_descriptor { struct usb_endpoint_descriptor ep_desc[USB_MAXENDPOINTS]; } __attribute__ ((packed)); - -/* Configuration descriptor information.. */ -struct usb_config_descriptor { - unsigned char bLength; - unsigned char bDescriptorType; - unsigned short wTotalLength; - unsigned char bNumInterfaces; - unsigned char bConfigurationValue; - unsigned char iConfiguration; - unsigned char bmAttributes; - unsigned char MaxPower; +/* Configuration information.. */ +struct usb_config { + struct usb_config_descriptor desc; unsigned char no_of_if; /* number of interfaces */ - struct usb_interface_descriptor if_desc[USB_MAXINTERFACES]; + struct usb_interface if_desc[USB_MAXINTERFACES]; } __attribute__ ((packed)); enum { @@ -138,7 +96,7 @@ enum { struct usb_device { int devnum; /* Device number on USB bus */ - int slow; /* Slow device? */ + int speed; /* full/low/high */ char mf[32]; /* manufacturer */ char prod[32]; /* product */ char serial[32]; /* serial number */ @@ -155,8 +113,10 @@ struct usb_device { int epmaxpacketout[16]; /* OUTput endpoint specific maximums */ int configno; /* selected config number */ - struct usb_device_descriptor descriptor; /* Device Descriptor */ - struct usb_config_descriptor config; /* config descriptor */ + /* Device Descriptor */ + struct usb_device_descriptor descriptor + __attribute__((aligned(ARCH_DMA_MINALIGN))); + struct usb_config config; /* config descriptor */ int have_langid; /* whether string_langid is valid yet */ int string_langid; /* language ID for strings */ @@ -171,8 +131,11 @@ struct usb_device { unsigned long status; int act_len; /* transfered bytes */ int maxchild; /* Number of ports if hub */ + int portnr; struct usb_device *parent; struct usb_device *children[USB_MAXCHILDREN]; + + void *controller; /* hardware controller private data */ }; /********************************************************************** @@ -180,23 +143,37 @@ struct usb_device { */ #if defined(CONFIG_USB_UHCI) || defined(CONFIG_USB_OHCI) || \ - defined(CONFIG_USB_OHCI_NEW) || defined(CONFIG_USB_SL811HS) || \ - defined(CONFIG_USB_ISP116X_HCD) || defined(CONFIG_USB_R8A66597_HCD) + defined(CONFIG_USB_EHCI) || defined(CONFIG_USB_OHCI_NEW) || \ + defined(CONFIG_USB_SL811HS) || defined(CONFIG_USB_ISP116X_HCD) || \ + defined(CONFIG_USB_R8A66597_HCD) || defined(CONFIG_USB_DAVINCI) || \ + defined(CONFIG_USB_OMAP3) || defined(CONFIG_USB_DA8XX) || \ + defined(CONFIG_USB_BLACKFIN) || defined(CONFIG_USB_AM35X) + +int usb_lowlevel_init(int index, void **controller); +int usb_lowlevel_stop(int index); -int usb_lowlevel_init(void); -int usb_lowlevel_stop(void); int submit_bulk_msg(struct usb_device *dev, unsigned long pipe, void *buffer, int transfer_len); int submit_control_msg(struct usb_device *dev, unsigned long pipe, void *buffer, int transfer_len, struct devrequest *setup); int submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer, int transfer_len, int interval); -void usb_event_poll(void); /* Defines */ #define USB_UHCI_VEND_ID 0x8086 #define USB_UHCI_DEV_ID 0x7112 +/* + * PXA25x can only act as USB device. There are drivers + * which works with USB CDC gadgets implementations. + * Some of them have common routines which can be used + * in boards init functions e.g. udc_disconnect() used for + * forced device disconnection from host. + */ +#elif defined(CONFIG_USB_GADGET_PXA2XX) + +extern void udc_disconnect(void); + #else #error USB Lowlevel not defined #endif @@ -210,6 +187,13 @@ int usb_stor_info(void); #endif +#ifdef CONFIG_USB_HOST_ETHER + +#define USB_MAX_ETH_DEV 5 +int usb_host_eth_scan(int mode); + +#endif + #ifdef CONFIG_USB_KEYBOARD int drv_usb_kbd_init(void); @@ -233,9 +217,8 @@ int usb_bulk_msg(struct usb_device *dev, unsigned int pipe, void *data, int len, int *actual_length, int timeout); int usb_submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer, int transfer_len, int interval); -void usb_disable_asynch(int disable); +int usb_disable_asynch(int disable); int usb_maxpacket(struct usb_device *dev, unsigned long pipe); -inline void wait_ms(unsigned long ms); int usb_get_configuration_no(struct usb_device *dev, unsigned char *buffer, int cfgno); int usb_get_report(struct usb_device *dev, int ifnum, unsigned char type, @@ -263,13 +246,13 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate); ((x_ & 0xFF000000UL) >> 24)); \ }) -#ifdef LITTLEENDIAN +#ifdef __LITTLE_ENDIAN # define swap_16(x) (x) # define swap_32(x) (x) #else # define swap_16(x) __swap_16(x) # define swap_32(x) __swap_32(x) -#endif /* LITTLEENDIAN */ +#endif /* * Calling this entity a "pipe" is glorifying it. A USB pipe @@ -279,7 +262,7 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate); * - endpoint number (4 bits) * - current Data0/1 state (1 bit) * - direction (1 bit) - * - speed (1 bit) + * - speed (2 bits) * - max packet size (2 bits: 8, 16, 32 or 64) * - pipe type (2 bits: control, interrupt, bulk, isochronous) * @@ -296,7 +279,6 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate); * - device: bits 8-14 * - endpoint: bits 15-18 * - Data0/1: bit 19 - * - speed: bit 26 (0 = Full, 1 = Low Speed) * - pipe type: bits 30-31 (00 = isochronous, 01 = interrupt, * 10 = control, 11 = bulk) * @@ -307,9 +289,9 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate); */ /* Create various pipes... */ #define create_pipe(dev,endpoint) \ - (((dev)->devnum << 8) | (endpoint << 15) | \ - ((dev)->slow << 26) | (dev)->maxpacketsize) -#define default_pipe(dev) ((dev)->slow << 26) + (((dev)->devnum << 8) | ((endpoint) << 15) | \ + (dev)->maxpacketsize) +#define default_pipe(dev) ((dev)->speed << 26) #define usb_sndctrlpipe(dev, endpoint) ((PIPE_CONTROL << 30) | \ create_pipe(dev, endpoint)) @@ -359,7 +341,6 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate); #define usb_pipe_endpdev(pipe) (((pipe) >> 8) & 0x7ff) #define usb_pipeendpoint(pipe) (((pipe) >> 15) & 0xf) #define usb_pipedata(pipe) (((pipe) >> 19) & 1) -#define usb_pipeslow(pipe) (((pipe) >> 26) & 1) #define usb_pipetype(pipe) (((pipe) >> 30) & 3) #define usb_pipeisoc(pipe) (usb_pipetype((pipe)) == PIPE_ISOCHRONOUS) #define usb_pipeint(pipe) (usb_pipetype((pipe)) == PIPE_INTERRUPT) @@ -401,4 +382,13 @@ struct usb_hub_device { struct usb_hub_descriptor desc; }; +int usb_hub_probe(struct usb_device *dev, int ifnum); +void usb_hub_reset(void); +int hub_port_reset(struct usb_device *dev, int port, + unsigned short *portstat); + +struct usb_device *usb_alloc_new_device(void *controller); + +int usb_new_device(struct usb_device *dev); + #endif /*_USB_H_ */