diff options
Diffstat (limited to 'target/linux/lantiq/files-3.3/drivers/usb/ifxhcd/ifxhcd.h')
| -rw-r--r-- | target/linux/lantiq/files-3.3/drivers/usb/ifxhcd/ifxhcd.h | 628 |
1 files changed, 0 insertions, 628 deletions
diff --git a/target/linux/lantiq/files-3.3/drivers/usb/ifxhcd/ifxhcd.h b/target/linux/lantiq/files-3.3/drivers/usb/ifxhcd/ifxhcd.h deleted file mode 100644 index 3a40851..0000000 --- a/target/linux/lantiq/files-3.3/drivers/usb/ifxhcd/ifxhcd.h +++ /dev/null @@ -1,628 +0,0 @@ -/***************************************************************************** - ** FILE NAME : ifxhcd.h - ** PROJECT : IFX USB sub-system V3 - ** MODULES : IFX USB sub-system Host and Device driver - ** SRC VERSION : 1.0 - ** DATE : 1/Jan/2009 - ** AUTHOR : Chen, Howard - ** DESCRIPTION : This file contains the structures, constants, and interfaces for - ** the Host Contoller Driver (HCD). - ** - ** The Host Controller Driver (HCD) is responsible for translating requests - ** from the USB Driver into the appropriate actions on the IFXUSB controller. - ** It isolates the USBD from the specifics of the controller by providing an - ** API to the USBD. - ** FUNCTIONS : - ** COMPILER : gcc - ** REFERENCE : Synopsys DWC-OTG Driver 2.7 - ** COPYRIGHT : - ** Version Control Section ** - ** $Author$ - ** $Date$ - ** $Revisions$ - ** $Log$ Revision history -*****************************************************************************/ - -/*! - \defgroup IFXUSB_HCD HCD Interface - \ingroup IFXUSB_DRIVER_V3 - \brief The Host Controller Driver (HCD) is responsible for translating requests - from the USB Driver into the appropriate actions on the IFXUSB controller. - It isolates the USBD from the specifics of the controller by providing an - API to the USBD. - */ - - -/*! - \file ifxhcd.h - \ingroup IFXUSB_DRIVER_V3 - \brief This file contains the structures, constants, and interfaces for - the Host Contoller Driver (HCD). - */ - -#if !defined(__IFXHCD_H__) -#define __IFXHCD_H__ - -#include <linux/list.h> -#include <linux/usb.h> - -#ifdef __USE_TIMER_4_SOF__ -#include <linux/hrtimer.h> -#endif -#include <linux/usb/hcd.h> - -#include "ifxusb_cif.h" -#include "ifxusb_plat.h" - - - -/*! - \addtogroup IFXUSB_HCD - */ -/*@{*/ - -/* Phases for control transfers.*/ -typedef enum ifxhcd_control_phase { - IFXHCD_CONTROL_SETUP, - IFXHCD_CONTROL_DATA, - IFXHCD_CONTROL_STATUS -} ifxhcd_control_phase_e; - -/* Reasons for halting a host channel. */ -typedef enum ifxhcd_halt_status -{ - HC_XFER_NO_HALT_STATUS, // Initial - HC_XFER_COMPLETE, // Xact complete without error, upward - HC_XFER_URB_COMPLETE, // Xfer complete without error, short upward - HC_XFER_STALL, // HC stopped abnormally, upward/downward - HC_XFER_XACT_ERR, // HC stopped abnormally, upward - HC_XFER_FRAME_OVERRUN, // HC stopped abnormally, upward - HC_XFER_BABBLE_ERR, // HC stopped abnormally, upward - HC_XFER_AHB_ERR, // HC stopped abnormally, upward - HC_XFER_DATA_TOGGLE_ERR, - HC_XFER_URB_DEQUEUE, // HC stopper manually, downward - HC_XFER_NAK // HC stopped by nak monitor, downward -} ifxhcd_halt_status_e; - -struct ifxhcd_urbd; -struct ifxhcd_hc ; -struct ifxhcd_epqh ; -struct ifxhcd_hcd; - -/*! - \brief A URB Descriptor (URBD) holds the state of a bulk, control, - interrupt, or isochronous transfer. A single URBD is created for each URB - (of one of these types) submitted to the HCD. The transfer associated with - a URBD may require one or multiple transactions. - - A URBD is linked to a EP Queue Head, which is entered in either the - isoc, intr or non-periodic schedule for execution. When a URBD is chosen for - execution, some or all of its transactions may be executed. After - execution, the state of the URBD is updated. The URBD may be retired if all - its transactions are complete or if an error occurred. Otherwise, it - remains in the schedule so more transactions can be executed later. - */ -typedef struct ifxhcd_urbd { - struct list_head urbd_list_entry; // Hook for EPQH->urbd_list and ifxhcd->urbd_complete_list - struct urb *urb; /*!< URB for this transfer */ - //struct urb { - // struct list_head urb_list; - // struct list_head anchor_list; - // struct usb_anchor * anchor; - // struct usb_device * dev; - // struct usb_host_endpoint * ep; - // unsigned int pipe; - // int status; - // unsigned int transfer_flags; - // void * transfer_buffer; - // dma_addr_t transfer_dma; - // u32 transfer_buffer_length; - // u32 actual_length; - // unsigned char * setup_packet; - // dma_addr_t setup_dma; - // int start_frame; - // int number_of_packets; - // int interval; - // int error_count; - // void * context; - // usb_complete_t complete; - // struct usb_iso_packet_descriptor iso_frame_desc[0]; - //}; - //urb_list For use by current owner of the URB. - //anchor_list membership in the list of an anchor - //anchor to anchor URBs to a common mooring - //dev Identifies the USB device to perform the request. - //ep Points to the endpoint's data structure. Will - // eventually replace pipe. - //pipe Holds endpoint number, direction, type, and more. - // Create these values with the eight macros available; u - // sb_{snd,rcv}TYPEpipe(dev,endpoint), where the TYPE is - // "ctrl", "bulk", "int" or "iso". For example - // usb_sndbulkpipe or usb_rcvintpipe. Endpoint numbers - // range from zero to fifteen. Note that "in" endpoint two - // is a different endpoint (and pipe) from "out" endpoint - // two. The current configuration controls the existence, - // type, and maximum packet size of any given endpoint. - //status This is read in non-iso completion functions to get - // the status of the particular request. ISO requests - // only use it to tell whether the URB was unlinked; - // detailed status for each frame is in the fields of - // the iso_frame-desc. - //transfer_flags A variety of flags may be used to affect how URB - // submission, unlinking, or operation are handled. - // Different kinds of URB can use different flags. - // URB_SHORT_NOT_OK - // URB_ISO_ASAP - // URB_NO_TRANSFER_DMA_MAP - // URB_NO_SETUP_DMA_MAP - // URB_NO_FSBR - // URB_ZERO_PACKET - // URB_NO_INTERRUPT - //transfer_buffer This identifies the buffer to (or from) which the I/O - // request will be performed (unless URB_NO_TRANSFER_DMA_MAP - // is set). This buffer must be suitable for DMA; allocate it - // with kmalloc or equivalent. For transfers to "in" - // endpoints, contents of this buffer will be modified. This - // buffer is used for the data stage of control transfers. - //transfer_dma When transfer_flags includes URB_NO_TRANSFER_DMA_MAP, the - // device driver is saying that it provided this DMA address, - // which the host controller driver should use in preference - // to the transfer_buffer. - //transfer_buffer_length How big is transfer_buffer. The transfer may be broken - // up into chunks according to the current maximum packet size - // for the endpoint, which is a function of the configuration - // and is encoded in the pipe. When the length is zero, neither - // transfer_buffer nor transfer_dma is used. - //actual_length This is read in non-iso completion functions, and it tells - // how many bytes (out of transfer_buffer_length) were transferred. - // It will normally be the same as requested, unless either an error - // was reported or a short read was performed. The URB_SHORT_NOT_OK - // transfer flag may be used to make such short reads be reported - // as errors. - //setup_packet Only used for control transfers, this points to eight bytes of - // setup data. Control transfers always start by sending this data - // to the device. Then transfer_buffer is read or written, if needed. - //setup_dma For control transfers with URB_NO_SETUP_DMA_MAP set, the device - // driver has provided this DMA address for the setup packet. The - // host controller driver should use this in preference to setup_packet. - //start_frame Returns the initial frame for isochronous transfers. - //number_of_packets Lists the number of ISO transfer buffers. - //interval Specifies the polling interval for interrupt or isochronous transfers. - // The units are frames (milliseconds) for for full and low speed devices, - // and microframes (1/8 millisecond) for highspeed ones. - //error_count Returns the number of ISO transfers that reported errors. - //context For use in completion functions. This normally points to request-specific - // driver context. - //complete Completion handler. This URB is passed as the parameter to the completion - // function. The completion function may then do what it likes with the URB, - // including resubmitting or freeing it. - //iso_frame_desc[0] Used to provide arrays of ISO transfer buffers and to collect the transfer - // status for each buffer. - - struct ifxhcd_epqh *epqh; - // Actual data portion, not SETUP or STATUS in case of CTRL XFER - // DMA adjusted - uint8_t *setup_buff; /*!< Pointer to the entire transfer buffer. (CPU accessable)*/ - uint8_t *xfer_buff; /*!< Pointer to the entire transfer buffer. (CPU accessable)*/ - uint32_t xfer_len; /*!< Total number of bytes to transfer in this xfer. */ - unsigned is_in :1; - unsigned is_active:1; - - // For ALL XFER - uint8_t error_count; /*!< Holds the number of bus errors that have occurred for a transaction - within this transfer. - */ - /*== AVM/BC 20101111 Needed for URB Complete List ==*/ - int status; - // For ISOC XFER only - #ifdef __EN_ISOC__ - int isoc_frame_index; /*!< Index of the next frame descriptor for an isochronous transfer. A - frame descriptor describes the buffer position and length of the - data to be transferred in the next scheduled (micro)frame of an - isochronous transfer. It also holds status for that transaction. - The frame index starts at 0. - */ - // For SPLITed ISOC XFER only - uint8_t isoc_split_pos; /*!< Position of the ISOC split on full/low speed */ - uint16_t isoc_split_offset;/*!< Position of the ISOC split in the buffer for the current frame */ - #endif -} ifxhcd_urbd_t; - -/*! - \brief A EP Queue Head (EPQH) holds the static characteristics of an endpoint and - maintains a list of transfers (URBDs) for that endpoint. A EPQH structure may - be entered in either the isoc, intr or non-periodic schedule. - */ - -typedef struct ifxhcd_epqh { - struct list_head epqh_list_entry; // Hook for EP Queues - struct list_head urbd_list; /*!< List of URBDs for this EPQH. */ - struct ifxhcd_hc *hc; /*!< Host channel currently processing transfers for this EPQH. */ - struct ifxhcd_urbd *urbd; /*!< URBD currently assigned to a host channel for this EPQH. */ - struct usb_host_endpoint *sysep; - uint8_t ep_type; /*!< Endpoint type. One of the following values: - - IFXUSB_EP_TYPE_CTRL - - IFXUSB_EP_TYPE_ISOC - - IFXUSB_EP_TYPE_BULK - - IFXUSB_EP_TYPE_INTR - */ - uint16_t mps; /*!< wMaxPacketSize Field of Endpoint Descriptor. */ - - /* == AVM/WK 20100710 Fix - Use toggle of usbcore ==*/ - /*uint8_t data_toggle;*/ /*!< Determines the PID of the next data packet - One of the following values: - - IFXHCD_HC_PID_DATA0 - - IFXHCD_HC_PID_DATA1 - */ - uint8_t is_active; - - uint8_t pkt_count_limit; - #ifdef __EPQD_DESTROY_TIMEOUT__ - struct timer_list destroy_timer; - #endif - - uint16_t wait_for_sof; - uint8_t need_split; /*!< Full/low speed endpoint on high-speed hub requires split. */ - uint16_t interval; /*!< Interval between transfers in (micro)frames. (for INTR)*/ - - uint16_t period_counter; /*!< Interval between transfers in (micro)frames. */ - uint8_t period_do; - - uint8_t aligned_checked; - - #if defined(__UNALIGNED_BUFFER_ADJ__) - uint8_t using_aligned_setup; - uint8_t *aligned_setup; - uint8_t using_aligned_buf; - uint8_t *aligned_buf; - unsigned aligned_buf_len : 19; - #endif - - uint8_t *dump_buf; -} ifxhcd_epqh_t; - - -#if defined(__HC_XFER_TIMEOUT__) - struct ifxusb_core_if; - struct ifxhcd_hc; - typedef struct hc_xfer_info - { - struct ifxusb_core_if *core_if; - struct ifxhcd_hc *hc; - } hc_xfer_info_t; -#endif //defined(__HC_XFER_TIMEOUT__) - - -/*! - \brief Host channel descriptor. This structure represents the state of a single - host channel when acting in host mode. It contains the data items needed to - transfer packets to an endpoint via a host channel. - */ -typedef struct ifxhcd_hc -{ - struct list_head hc_list_entry ; // Hook to free hc - struct ifxhcd_epqh *epqh ; /*!< EP Queue Head for the transfer being processed by this channel. */ - - uint8_t hc_num ; /*!< Host channel number used for register address lookup */ - uint8_t *xfer_buff ; /*!< Pointer to the entire transfer buffer. */ - uint32_t xfer_count ; /*!< Number of bytes transferred so far. The offset of the begin of the buf */ - uint32_t xfer_len ; /*!< Total number of bytes to transfer in this xfer. */ - uint16_t start_pkt_count ; /*!< Packet count at start of transfer. Used to calculate the actual xfer size*/ - ifxhcd_halt_status_e halt_status; /*!< Reason for halting the host channel. */ - - unsigned dev_addr : 7; /*!< Device to access */ - unsigned ep_num : 4; /*!< EP to access */ - unsigned is_in : 1; /*!< EP direction. 0: OUT, 1: IN */ - unsigned speed : 2; /*!< EP speed. */ - unsigned ep_type : 2; /*!< Endpoint type. */ - unsigned mps :11; /*!< Max packet size in bytes */ - unsigned data_pid_start : 2; /*!< PID for initial transaction. */ - unsigned do_ping : 1; /*!< Set to 1 to indicate that a PING request should be issued on this - channel. If 0, process normally. - */ - - unsigned xfer_started : 1; /*!< Flag to indicate whether the transfer has been started. Set to 1 if - it has been started, 0 otherwise. - */ - unsigned halting : 1; /*!< Set to 1 if the host channel has been halted, but the core is not - finished flushing queued requests. Otherwise 0. - */ - unsigned short_rw : 1; /*!< When Tx, means termination needed. - When Rx, indicate Short Read */ - /* Split settings for the host channel */ - unsigned split : 2; /*!< Split: 0-Non Split, 1-SSPLIT, 2&3 CSPLIT */ - - /*== AVM/BC 20100701 - Workaround FullSpeed Interrupts with HiSpeed Hub ==*/ - unsigned nyet_count; - - /* nak monitor */ - unsigned nak_retry_r : 16; - unsigned nak_retry : 16; - #define nak_retry_max 40000 - unsigned nak_countdown : 8; - unsigned nak_countdown_r: 8; - #define nak_countdown_max 1 - - uint16_t wait_for_sof; - ifxhcd_control_phase_e control_phase; /*!< Current phase for control transfers (Setup, Data, or Status). */ - uint32_t ssplit_out_xfer_count; /*!< How many bytes transferred during SSPLIT OUT */ - #ifdef __DEBUG__ - uint32_t start_hcchar_val; - #endif - #ifdef __HC_XFER_TIMEOUT__ - hc_xfer_info_t hc_xfer_info; - struct timer_list hc_xfer_timer; - #endif - uint32_t hcchar; - - /* Split settings for the host channel */ - uint8_t hub_addr; /*!< Address of high speed hub */ - uint8_t port_addr; /*!< Port of the low/full speed device */ - #ifdef __EN_ISOC__ - uint8_t isoc_xact_pos; /*!< Split transaction position */ - #endif -} ifxhcd_hc_t; - - -/*! - \brief This structure holds the state of the HCD, including the non-periodic and - periodic schedules. - */ -typedef struct ifxhcd_hcd -{ - struct device *dev; - struct hc_driver hc_driver; - ifxusb_core_if_t core_if; /*!< Pointer to the core interface structure. */ - struct usb_hcd *syshcd; - - volatile union ifxhcd_internal_flags - { - uint32_t d32; - struct - { - unsigned port_connect_status_change : 1; - unsigned port_connect_status : 1; - unsigned port_reset_change : 1; - unsigned port_enable_change : 1; - unsigned port_suspend_change : 1; - unsigned port_over_current_change : 1; - unsigned reserved : 27; - } b; - } flags; /*!< Internal HCD Flags */ - - struct ifxhcd_hc ifxhc[MAX_EPS_CHANNELS]; /*!< Array of pointers to the host channel descriptors. Allows accessing - a host channel descriptor given the host channel number. This is - useful in interrupt handlers. - */ - struct list_head free_hc_list; /*!< Free host channels in the controller. This is a list of ifxhcd_hc_t items. */ - uint8_t *status_buf; /*!< Buffer to use for any data received during the status phase of a - control transfer. Normally no data is transferred during the status - phase. This buffer is used as a bit bucket. - */ - #define IFXHCD_STATUS_BUF_SIZE 64 - - struct list_head epqh_np_active; // with URBD, with HC - struct list_head epqh_np_ready; // with URBD, No HC - - struct list_head epqh_intr_active; // with URBD, with HC - struct list_head epqh_intr_ready; // with URBD, no pass, No HC - - #ifdef __EN_ISOC__ - struct list_head epqh_isoc_active; // with URBD, with HC - struct list_head epqh_isoc_ready; // with URBD, no pass, No HC - #endif - - /*== AVM/BC 20101111 URB Complete List ==*/ - struct list_head urbd_complete_list; - - struct list_head epqh_stdby; - - /* AVM/BC 20101111 flags removed */ - //unsigned process_channels_in_use : 1; - //unsigned select_eps_in_use : 1; - - struct tasklet_struct select_eps; /*!< Tasket to do a reset */ - uint32_t lastframe; - spinlock_t lock; -#ifdef __USE_TIMER_4_SOF__ - struct hrtimer hr_timer; -#endif -} ifxhcd_hcd_t; - -/* Gets the ifxhcd_hcd from a struct usb_hcd */ -static inline ifxhcd_hcd_t *syshcd_to_ifxhcd(struct usb_hcd *syshcd) -{ - return (ifxhcd_hcd_t *)(syshcd->hcd_priv[0]); -} - -/* Gets the struct usb_hcd that contains a ifxhcd_hcd_t. */ -static inline struct usb_hcd *ifxhcd_to_syshcd(ifxhcd_hcd_t *ifxhcd) -{ - return (struct usb_hcd *)(ifxhcd->syshcd); -} - -/*! \brief HCD Create/Destroy Functions */ -/*@{*/ - extern int ifxhcd_init (ifxhcd_hcd_t *_ifxhcd); - extern void ifxhcd_remove(ifxhcd_hcd_t *_ifxhcd); -/*@}*/ - -/*! \brief Linux HC Driver API Functions */ -/*@{*/ -extern int ifxhcd_start(struct usb_hcd *hcd); -extern void ifxhcd_stop (struct usb_hcd *hcd); -extern int ifxhcd_get_frame_number(struct usb_hcd *hcd); - - -/*! - \brief This function does the setup for a data transfer for a host channel and - starts the transfer. May be called in either Slave mode or DMA mode. In - Slave mode, the caller must ensure that there is sufficient space in the - request queue and Tx Data FIFO. - - For an OUT transfer in Slave mode, it loads a data packet into the - appropriate FIFO. If necessary, additional data packets will be loaded in - the Host ISR. - - For an IN transfer in Slave mode, a data packet is requested. The data - packets are unloaded from the Rx FIFO in the Host ISR. If necessary, - additional data packets are requested in the Host ISR. - - For a PING transfer in Slave mode, the Do Ping bit is set in the HCTSIZ - register along with a packet count of 1 and the channel is enabled. This - causes a single PING transaction to occur. Other fields in HCTSIZ are - simply set to 0 since no data transfer occurs in this case. - - For a PING transfer in DMA mode, the HCTSIZ register is initialized with - all the information required to perform the subsequent data transfer. In - addition, the Do Ping bit is set in the HCTSIZ register. In this case, the - controller performs the entire PING protocol, then starts the data - transfer. - - @param _ifxhc Information needed to initialize the host channel. The xfer_len - value may be reduced to accommodate the max widths of the XferSize and - PktCnt fields in the HCTSIZn register. The multi_count value may be changed - to reflect the final xfer_len value. - */ -extern void ifxhcd_hc_start(ifxusb_core_if_t *_core_if, ifxhcd_hc_t *_ifxhc); - -//extern int ifxhcd_urb_enqueue(struct usb_hcd *_syshcd, struct usb_host_endpoint *_sysep, struct urb *_urb, gfp_t mem_flags); -//extern int ifxhcd_urb_dequeue(struct usb_hcd *_syshcd, struct urb *_urb); -extern irqreturn_t ifxhcd_irq(struct usb_hcd *_syshcd); -int ifxhcd_urb_enqueue( struct usb_hcd *_syshcd, - /*--- struct usb_host_endpoint *_sysep, Parameter im 2.6.28 entfallen ---*/ - struct urb *_urb, - gfp_t _mem_flags); -int ifxhcd_urb_dequeue( struct usb_hcd *_syshcd, - struct urb *_urb, int status /* Parameter neu in 2.6.28 */); - -extern void ifxhcd_endpoint_disable(struct usb_hcd *_syshcd, struct usb_host_endpoint *_sysep); - -extern int ifxhcd_hub_status_data(struct usb_hcd *_syshcd, char *_buf); -extern int ifxhcd_hub_control( struct usb_hcd *_syshcd, - u16 _typeReq, - u16 _wValue, - u16 _wIndex, - char *_buf, - u16 _wLength); - -/*@}*/ - -/*! \brief Transaction Execution Functions */ -/*@{*/ -extern void ifxhcd_complete_urb (ifxhcd_hcd_t *_ifxhcd, ifxhcd_urbd_t *_urbd, int _status); - -/*@}*/ - -/*! \brief Deferred Transaction Execution Functions */ -/*@{*/ - -/*== AVM/BC 20101111 URB Complete List ==*/ -extern void defer_ifxhcd_complete_urb (ifxhcd_hcd_t *_ifxhcd, ifxhcd_urbd_t *_urbd, int _status); - -/*! - \brief Clears the transfer state for a host channel. This function is normally - called after a transfer is done and the host channel is being released. - */ -extern void ifxhcd_hc_cleanup(ifxusb_core_if_t *_core_if, ifxhcd_hc_t *_ifxhc); - -/*! - \brief Attempts to halt a host channel. This function should only be called in - Slave mode or to abort a transfer in either Slave mode or DMA mode. Under - normal circumstances in DMA mode, the controller halts the channel when the - transfer is complete or a condition occurs that requires application - intervention. - - In slave mode, checks for a free request queue entry, then sets the Channel - Enable and Channel Disable bits of the Host Channel Characteristics - register of the specified channel to intiate the halt. If there is no free - request queue entry, sets only the Channel Disable bit of the HCCHARn - register to flush requests for this channel. In the latter case, sets a - flag to indicate that the host channel needs to be halted when a request - queue slot is open. - - In DMA mode, always sets the Channel Enable and Channel Disable bits of the - HCCHARn register. The controller ensures there is space in the request - queue before submitting the halt request. - - Some time may elapse before the core flushes any posted requests for this - host channel and halts. The Channel Halted interrupt handler completes the - deactivation of the host channel. - */ -extern void ifxhcd_hc_halt(ifxusb_core_if_t *_core_if, - ifxhcd_hc_t *_ifxhc, - ifxhcd_halt_status_e _halt_status); - -/*! - \brief Prepares a host channel for transferring packets to/from a specific - endpoint. The HCCHARn register is set up with the characteristics specified - in _ifxhc. Host channel interrupts that may need to be serviced while this - transfer is in progress are enabled. - */ -extern void ifxhcd_hc_init(ifxusb_core_if_t *_core_if, ifxhcd_hc_t *_ifxhc); - -/*! - \brief This function is called to handle the disconnection of host port. - */ -int32_t ifxhcd_disconnect(ifxhcd_hcd_t *_ifxhcd); -/*@}*/ - -/*! \brief Interrupt Handler Functions */ -/*@{*/ -extern irqreturn_t ifxhcd_oc_irq(int _irq, void *_dev); - -extern int32_t ifxhcd_handle_oc_intr(ifxhcd_hcd_t *_ifxhcd); -extern int32_t ifxhcd_handle_intr (ifxhcd_hcd_t *_ifxhcd); -/*@}*/ - - -/*! \brief Schedule Queue Functions */ -/*@{*/ -extern ifxhcd_epqh_t *ifxhcd_epqh_create (ifxhcd_hcd_t *_ifxhcd, struct urb *_urb); -extern void ifxhcd_epqh_free ( ifxhcd_epqh_t *_epqh); -extern void select_eps (ifxhcd_hcd_t *_ifxhcd); -extern void process_channels(ifxhcd_hcd_t *_ifxhcd); -extern void process_channels_sub(ifxhcd_hcd_t *_ifxhcd); -extern void complete_channel(ifxhcd_hcd_t *_ifxhcd, ifxhcd_hc_t *_ifxhc, ifxhcd_urbd_t *_urbd); -extern void ifxhcd_epqh_ready(ifxhcd_hcd_t *_ifxhcd, ifxhcd_epqh_t *_epqh); -extern void ifxhcd_epqh_active(ifxhcd_hcd_t *_ifxhcd, ifxhcd_epqh_t *_epqh); -extern void ifxhcd_epqh_idle(ifxhcd_hcd_t *_ifxhcd, ifxhcd_epqh_t *_epqh); -extern void ifxhcd_epqh_idle_periodic(ifxhcd_epqh_t *_epqh); -extern int ifxhcd_urbd_create (ifxhcd_hcd_t *_ifxhcd,struct urb *_urb); -/*@}*/ - -/*! \brief Gets the usb_host_endpoint associated with an URB. */ -static inline struct usb_host_endpoint *ifxhcd_urb_to_endpoint(struct urb *_urb) -{ - struct usb_device *dev = _urb->dev; - int ep_num = usb_pipeendpoint(_urb->pipe); - - return (usb_pipein(_urb->pipe))?(dev->ep_in[ep_num]):(dev->ep_out[ep_num]); -} - -/*! - * \brief Gets the endpoint number from a _bEndpointAddress argument. The endpoint is - * qualified with its direction (possible 32 endpoints per device). - */ -#define ifxhcd_ep_addr_to_endpoint(_bEndpointAddress_) ((_bEndpointAddress_ & USB_ENDPOINT_NUMBER_MASK) | \ - ((_bEndpointAddress_ & USB_DIR_IN) != 0) << 4) - - -/* AVM/WK: not needed? - -extern struct usb_device *usb_alloc_dev (struct usb_device *parent, struct usb_bus *, unsigned port); -extern int usb_add_hcd (struct usb_hcd *syshcd, unsigned int irqnum, unsigned long irqflags); -extern void usb_remove_hcd (struct usb_hcd *syshcd); -extern struct usb_hcd *usb_create_hcd (const struct hc_driver *driver, struct device *dev, char *bus_name); -extern void usb_hcd_giveback_urb (struct usb_hcd *syshcd, struct urb *urb); -extern void usb_put_hcd (struct usb_hcd *syshcd); -extern long usb_calc_bus_time (int speed, int is_input, int isoc, int bytecount); - -*/ -/** Internal Functions */ -void ifxhcd_dump_state(ifxhcd_hcd_t *_ifxhcd); -extern char *syserr(int errno); - -/*@}*//*IFXUSB_HCD*/ - -#endif // __IFXHCD_H__ |