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author | John Crispin <john@openwrt.org> | 2013-06-21 16:54:37 +0000 |
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committer | John Crispin <john@openwrt.org> | 2013-06-21 16:54:37 +0000 |
commit | 4ebf19b48fafc8d94e14e4ba779969613b241a6a (patch) | |
tree | 9918f890a8915023b49ea30948beb5d048c333fa /package/platform/lantiq/ltq-hcd/src/ifxhcd_queue.c | |
parent | 44b1688e6c7b4f16f7165fbd560e1183aef69090 (diff) | |
download | upstream-4ebf19b48fafc8d94e14e4ba779969613b241a6a.tar.gz upstream-4ebf19b48fafc8d94e14e4ba779969613b241a6a.tar.bz2 upstream-4ebf19b48fafc8d94e14e4ba779969613b241a6a.zip |
packages: clean up the package folder
Signed-off-by: John Crispin <blogic@openwrt.org>
SVN-Revision: 37007
Diffstat (limited to 'package/platform/lantiq/ltq-hcd/src/ifxhcd_queue.c')
-rw-r--r-- | package/platform/lantiq/ltq-hcd/src/ifxhcd_queue.c | 485 |
1 files changed, 0 insertions, 485 deletions
diff --git a/package/platform/lantiq/ltq-hcd/src/ifxhcd_queue.c b/package/platform/lantiq/ltq-hcd/src/ifxhcd_queue.c deleted file mode 100644 index a30fcd05e9..0000000000 --- a/package/platform/lantiq/ltq-hcd/src/ifxhcd_queue.c +++ /dev/null @@ -1,485 +0,0 @@ -/***************************************************************************** - ** FILE NAME : ifxhcd_queue.c - ** PROJECT : IFX USB sub-system V3 - ** MODULES : IFX USB sub-system Host and Device driver - ** SRC VERSION : 3.2 - ** DATE : 1/Jan/2011 - ** AUTHOR : Chen, Howard - ** DESCRIPTION : This file contains the functions to manage Queue Heads and Queue - ** Transfer Descriptors. - ** FUNCTIONS : - ** COMPILER : gcc - ** REFERENCE : Synopsys DWC-OTG Driver 2.7 - ** COPYRIGHT : Copyright (c) 2010 - ** LANTIQ DEUTSCHLAND GMBH, - ** Am Campeon 3, 85579 Neubiberg, Germany - ** - ** This program is free software; you can redistribute it and/or modify - ** it under the terms of the GNU General Public License as published by - ** the Free Software Foundation; either version 2 of the License, or - ** (at your option) any later version. - ** - ** Version Control Section ** - ** $Author$ - ** $Date$ - ** $Revisions$ - ** $Log$ Revision history - *****************************************************************************/ - -/* - * This file contains code fragments from Synopsys HS OTG Linux Software Driver. - * For this code the following notice is applicable: - * - * ========================================================================== - * - * Synopsys HS OTG Linux Software Driver and documentation (hereinafter, - * "Software") is an Unsupported proprietary work of Synopsys, Inc. unless - * otherwise expressly agreed to in writing between Synopsys and you. - * - * The Software IS NOT an item of Licensed Software or Licensed Product under - * any End User Software License Agreement or Agreement for Licensed Product - * with Synopsys or any supplement thereto. You are permitted to use and - * redistribute this Software in source and binary forms, with or without - * modification, provided that redistributions of source code must retain this - * notice. You may not view, use, disclose, copy or distribute this file or - * any information contained herein except pursuant to this license grant from - * Synopsys. If you do not agree with this notice, including the disclaimer - * below, then you are not authorized to use the Software. - * - * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT, - * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES - * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH - * DAMAGE. - * ========================================================================== */ - -/*! - \file ifxhcd_queue.c - \ingroup IFXUSB_DRIVER_V3 - \brief This file contains the functions to manage Queue Heads and Queue - Transfer Descriptors. -*/ -#include <linux/version.h> -#include "ifxusb_version.h" - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/init.h> -#include <linux/device.h> -#include <linux/errno.h> -#include <linux/list.h> -#include <linux/interrupt.h> -#include <linux/string.h> - -#include "ifxusb_plat.h" -#include "ifxusb_regs.h" -#include "ifxusb_cif.h" -#include "ifxhcd.h" - -#ifdef __EPQD_DESTROY_TIMEOUT__ - #define epqh_self_destroy_timeout 300 - static void eqph_destroy_func(unsigned long _ptr) - { - ifxhcd_epqh_t *epqh=(ifxhcd_epqh_t *)_ptr; - if(epqh) - { - if(epqh->sysep) - { - epqh->sysep->hcpriv=NULL; - } - ifxhcd_epqh_free (epqh); - } - } -#endif - -/*! - \brief This function allocates and initializes a EPQH. - - \param _ifxhcd The HCD state structure for the USB Host controller. - \param[in] _urb Holds the information about the device/endpoint that we need - to initialize the EPQH. - - \return Returns pointer to the newly allocated EPQH, or NULL on error. - */ -static ifxhcd_epqh_t *ifxhcd_epqh_create (ifxhcd_hcd_t *_ifxhcd, struct urb *_urb) -{ - ifxhcd_epqh_t *epqh; - - hprt0_data_t hprt0; - struct usb_host_endpoint *sysep = ifxhcd_urb_to_endpoint(_urb); - - /* Allocate memory */ -// epqh=(ifxhcd_epqh_t *) kmalloc (sizeof(ifxhcd_epqh_t), GFP_KERNEL); - epqh=(ifxhcd_epqh_t *) kmalloc (sizeof(ifxhcd_epqh_t), GFP_ATOMIC); - - if(epqh == NULL) - return NULL; - - memset (epqh, 0, sizeof (ifxhcd_epqh_t)); - - epqh->sysep=sysep; - - epqh->devno=_urb->dev->devnum; - - epqh->ifxhcd=_ifxhcd; - epqh->phase=EPQH_IDLE; - - /* Initialize EPQH */ - switch (usb_pipetype(_urb->pipe)) - { - case PIPE_CONTROL : epqh->ep_type = IFXUSB_EP_TYPE_CTRL; break; - case PIPE_BULK : epqh->ep_type = IFXUSB_EP_TYPE_BULK; break; - case PIPE_ISOCHRONOUS: epqh->ep_type = IFXUSB_EP_TYPE_ISOC; break; - case PIPE_INTERRUPT : epqh->ep_type = IFXUSB_EP_TYPE_INTR; break; - } - - usb_settoggle(_urb->dev, usb_pipeendpoint (_urb->pipe), !usb_pipein(_urb->pipe), IFXUSB_HC_PID_DATA0); - epqh->mps = usb_maxpacket(_urb->dev, _urb->pipe, !(usb_pipein(_urb->pipe))); - - INIT_LIST_HEAD(&epqh->urbd_list); - #ifdef __STRICT_ORDER__ - INIT_LIST_HEAD(&epqh->release_list); - #endif - INIT_LIST_HEAD(&epqh->ql); - INIT_LIST_HEAD(&epqh->ql_all); - INIT_URBD_LIST(epqh); - - epqh->hc = NULL; - - /* FS/LS Enpoint on HS Hub - * NOT virtual root hub */ - epqh->need_split = 0; - hprt0.d32 = ifxusb_read_hprt0 (&_ifxhcd->core_if); - if (hprt0.b.prtspd == IFXUSB_HPRT0_PRTSPD_HIGH_SPEED && - ((_urb->dev->speed == USB_SPEED_LOW) || - (_urb->dev->speed == USB_SPEED_FULL)) && - (_urb->dev->tt) && (_urb->dev->tt->hub) && (_urb->dev->tt->hub->devnum != 1)) - { - IFX_DEBUGPL(DBG_HCD, "QH init: EP %d: TT found at hub addr %d, for port %d\n", - usb_pipeendpoint(_urb->pipe), _urb->dev->tt->hub->devnum, - _urb->dev->ttport); - epqh->need_split = 1; - } - - if (epqh->ep_type == IFXUSB_EP_TYPE_INTR || - epqh->ep_type == IFXUSB_EP_TYPE_ISOC) - { - /* Compute scheduling parameters once and save them. */ - epqh->interval = _urb->interval; - if(epqh->need_split) - epqh->interval *= 8; - } - - #ifdef __EN_ISOC__ - if (epqh->ep_type == IFXUSB_EP_TYPE_ISOC) - _ifxhcd->isoc_ep_count++; - #endif - - epqh->period_counter=0; - - #ifdef __EPQD_DESTROY_TIMEOUT__ - /* Start a timer for this transfer. */ - init_timer(&epqh->destroy_timer); - epqh->destroy_timer.function = eqph_destroy_func; - epqh->destroy_timer.data = (unsigned long)(epqh); - #endif - - #ifdef __DEBUG__ - IFX_DEBUGPL(DBG_HCD , "IFXUSB HCD EPQH Initialized\n"); - IFX_DEBUGPL(DBG_HCDV, "IFXUSB HCD EPQH - epqh = %p\n", epqh); - IFX_DEBUGPL(DBG_HCDV, "IFXUSB HCD EPQH - Device Address = %d EP %d, %s\n", - _urb->dev->devnum, - usb_pipeendpoint(_urb->pipe), - usb_pipein(_urb->pipe) == USB_DIR_IN ? "IN" : "OUT"); - IFX_DEBUGPL(DBG_HCDV, "IFXUSB HCD EPQH - Speed = %s\n", - ({ char *speed; switch (_urb->dev->speed) { - case USB_SPEED_LOW: speed = "low" ; break; - case USB_SPEED_FULL: speed = "full"; break; - case USB_SPEED_HIGH: speed = "high"; break; - default: speed = "?"; break; - }; speed;})); - IFX_DEBUGPL(DBG_HCDV, "IFXUSB HCD EPQH - Type = %s\n", - ({ - char *type; switch (epqh->ep_type) - { - case IFXUSB_EP_TYPE_ISOC: type = "isochronous"; break; - case IFXUSB_EP_TYPE_INTR: type = "interrupt" ; break; - case IFXUSB_EP_TYPE_CTRL: type = "control" ; break; - case IFXUSB_EP_TYPE_BULK: type = "bulk" ; break; - default: type = "?"; break; - }; - type; - })); - if (epqh->ep_type == IFXUSB_EP_TYPE_INTR) - IFX_DEBUGPL(DBG_HCDV, "IFXUSB HCD EPQH - interval = %d\n", epqh->interval); - #endif - - LOCK_EPQH_LIST_ALL(_ifxhcd); - list_add_tail(&epqh->ql_all, &_ifxhcd->epqh_list_all); - UNLOCK_EPQH_LIST_ALL(_ifxhcd); - - LOCK_EPQH_LIST(_ifxhcd); - switch (epqh->ep_type) - { - case IFXUSB_EP_TYPE_CTRL: - case IFXUSB_EP_TYPE_BULK: - - list_add_tail(&epqh->ql, &_ifxhcd->epqh_list_np); - break; - case IFXUSB_EP_TYPE_INTR: - list_add_tail(&epqh->ql, &_ifxhcd->epqh_list_intr); - break; - #ifdef __EN_ISOC__ - case IFXUSB_EP_TYPE_ISOC: - list_add_tail(&epqh->ql, &_ifxhcd->epqh_list_isoc); - - break; - #endif - } - UNLOCK_EPQH_LIST(_ifxhcd); - return epqh; -} - - - - - - -/*! - \brief Free the EPQH. EPQH should already be removed from a list. - URBD list should already be empty if called from URB Dequeue. - - \param[in] _epqh The EPQH to free. - */ -void ifxhcd_epqh_free (ifxhcd_epqh_t *_epqh) -{ - unsigned long flags; - if(!_epqh) - return; - - if(_epqh->sysep) _epqh->sysep->hcpriv=NULL; - _epqh->sysep=NULL; - - local_irq_save (flags); - if (!list_empty(&_epqh->urbd_list)) - IFX_WARN("%s() invalid epqh state\n",__func__); - else - { - LOCK_EPQH_LIST_ALL(_epqh->ifxhcd); - if (!list_empty(&_epqh->ql_all)) - list_del_init (&_epqh->ql_all); - UNLOCK_EPQH_LIST_ALL(_epqh->ifxhcd); - - LOCK_EPQH_LIST(_epqh->ifxhcd); - if (!list_empty(&_epqh->ql)) - list_del_init (&_epqh->ql); - UNLOCK_EPQH_LIST(_epqh->ifxhcd); - - #ifdef __EPQD_DESTROY_TIMEOUT__ - del_timer(&_epqh->destroy_timer); - #endif - kfree (_epqh); - } - local_irq_restore (flags); -} - - -void ifxhcd_epqh_idle(ifxhcd_epqh_t *_epqh) -{ - unsigned long flags; - local_irq_save(flags); - LOCK_URBD_LIST(_epqh); - if (list_empty(&_epqh->urbd_list)) - { - if(_epqh->ep_type == IFXUSB_EP_TYPE_ISOC || _epqh->ep_type == IFXUSB_EP_TYPE_INTR) - _epqh->phase=EPQH_STDBY; - else - { - _epqh->phase=EPQH_IDLE; - #ifdef __EPQD_DESTROY_TIMEOUT__ - del_timer(&_epqh->destroy_timer); - _epqh->destroy_timer.expires = jiffies + (HZ*epqh_self_destroy_timeout); - add_timer(&_epqh->destroy_timer ); - #endif - } - } - else - { - _epqh->phase=EPQH_READY; - #ifdef __EPQD_DESTROY_TIMEOUT__ - del_timer(&_epqh->destroy_timer); - #endif - } - UNLOCK_URBD_LIST(_epqh); - local_irq_restore(flags); -} - - -void ifxhcd_epqh_idle_periodic(ifxhcd_epqh_t *_epqh) -{ - unsigned long flags; - if(_epqh->ep_type != IFXUSB_EP_TYPE_ISOC && _epqh->ep_type != IFXUSB_EP_TYPE_INTR && _epqh->phase!=EPQH_STDBY) - return; - - local_irq_save(flags); - LOCK_URBD_LIST(_epqh); - if (!list_empty(&_epqh->urbd_list)) - IFX_WARN("%s() invalid epqh state(not empty)\n",__func__); - - _epqh->phase=EPQH_IDLE; - - #ifdef __EPQD_DESTROY_TIMEOUT__ - del_timer(&_epqh->destroy_timer); - _epqh->destroy_timer.expires = jiffies + (HZ*epqh_self_destroy_timeout); - add_timer(&_epqh->destroy_timer ); - #endif - - #ifdef __EN_ISOC__ - if (_epqh->ep_type == IFXUSB_EP_TYPE_ISOC) - _epqh->ifxhcd->isoc_ep_count--; - #endif - UNLOCK_URBD_LIST(_epqh); - local_irq_restore(flags); -} - - -ifxhcd_epqh_t *ifxhcd_urbd_create (ifxhcd_hcd_t *_ifxhcd,struct urb *_urb) -{ - ifxhcd_urbd_t *urbd; - struct usb_host_endpoint *sysep; - ifxhcd_epqh_t *epqh=NULL; - unsigned long flags; - - local_irq_save(flags); - - sysep = ifxhcd_urb_to_endpoint(_urb); - - LOCK_EPQH_LIST_ALL(_ifxhcd); - epqh = sysep_to_epqh(_ifxhcd, sysep); - - if (!epqh) - { - sysep->hcpriv = NULL; - epqh = ifxhcd_epqh_create (_ifxhcd, _urb); - } - UNLOCK_EPQH_LIST_ALL(_ifxhcd); - - if (!epqh) - { - IFX_ERROR("EPQH Error alloc\n"); - local_irq_restore (flags); - return (ifxhcd_epqh_t *)NULL; - } - if(epqh->phase==EPQH_DISABLING) - { - IFX_ERROR("EPQH Error alloc while disabling\n"); - local_irq_restore (flags); - return (ifxhcd_epqh_t *)NULL; - } - sysep->hcpriv = epqh; - - if(_urb->hcpriv) - { - IFX_WARN("%s() Previous urb->hcpriv exist %p\n",__func__,_urb->hcpriv); - #if 1 - local_irq_restore (flags); - return (ifxhcd_epqh_t *)NULL; - #else - urbd = _urb->hcpriv; - if(urbd->epqh!=epqh) - IFX_WARN("%s() Previous urb->hcpriv exist %p and epqh not the same %p %p\n",__func__,_urb->hcpriv,urbd->epqh,epqh); - #endif - } - else - { - urbd = (ifxhcd_urbd_t *) kmalloc (sizeof(ifxhcd_urbd_t), GFP_ATOMIC); - if (!urbd) - { - local_irq_restore (flags); - return (ifxhcd_epqh_t *)NULL; - } - memset (urbd, 0, sizeof (ifxhcd_urbd_t)); - INIT_LIST_HEAD(&urbd->ql); - } - - _urb->hcpriv = urbd; - urbd->urb = _urb; - urbd->epqh = epqh; - urbd->status= -EINPROGRESS; - - urbd->is_in=usb_pipein(_urb->pipe) ? 1 : 0; -#define URB_NO_SETUP_DMA_MAP 0 - #ifdef __EN_ISOC__ - if(epqh->ep_type == IFXUSB_EP_TYPE_ISOC) - { - if(_urb->transfer_flags && URB_NO_TRANSFER_DMA_MAP) - urbd->xfer_buff = (uint8_t *) (KSEG1ADDR((uint32_t *)_urb->transfer_dma)); - else - urbd->xfer_buff = (uint8_t *) _urb->transfer_buffer; - } - else - #endif - { - urbd->xfer_len=_urb->transfer_buffer_length; - if(urbd->xfer_len>0) - { - if(_urb->transfer_flags && URB_NO_TRANSFER_DMA_MAP) - urbd->xfer_buff = (uint8_t *) (KSEG1ADDR((uint32_t *)_urb->transfer_dma)); - else - urbd->xfer_buff = (uint8_t *) _urb->transfer_buffer; - } - } - - #if 1 // cache write-back, so DMA engine can get correct content. Precaution - if(urbd->xfer_len) - dma_cache_wback_inv((unsigned long)urbd->xfer_buff, urbd->xfer_len); - #endif - - if(epqh->ep_type == IFXUSB_EP_TYPE_CTRL) - { - if(_urb->transfer_flags && URB_NO_SETUP_DMA_MAP) - urbd->setup_buff = (uint8_t *) (KSEG1ADDR((uint32_t *)_urb->setup_dma)); - else - urbd->setup_buff = (uint8_t *) _urb->setup_packet; - #if 1 // cache write-back, so DMA engine can get correct content. Precaution - dma_cache_wback_inv((unsigned long)urbd->setup_buff, 16); - #endif - } - - LOCK_URBD_LIST(epqh); - if (!list_empty(&urbd->ql)) - list_del_init(&urbd->ql); - list_add_tail(&urbd->ql, &epqh->urbd_list); - epqh->urbd_count++; - UNLOCK_URBD_LIST(epqh); - - local_irq_restore (flags); - return epqh; -} - - - -ifxhcd_epqh_t * sysep_to_epqh(ifxhcd_hcd_t *_ifxhcd, struct usb_host_endpoint *_sysep) -{ - ifxhcd_epqh_t *epqh; - - LOCK_EPQH_LIST_ALL(_ifxhcd); - list_for_each_entry( epqh, &_ifxhcd->epqh_list_all, ql_all) - { - if(epqh->sysep==_sysep) - { - UNLOCK_EPQH_LIST_ALL(_ifxhcd); - return epqh; - } - } - UNLOCK_EPQH_LIST_ALL(_ifxhcd); - return NULL; -} - |