diff options
Diffstat (limited to 'target/linux/cns3xxx/files/drivers/usb/dwc/otg_pcd.h')
| -rw-r--r-- | target/linux/cns3xxx/files/drivers/usb/dwc/otg_pcd.h | 292 |
1 files changed, 0 insertions, 292 deletions
diff --git a/target/linux/cns3xxx/files/drivers/usb/dwc/otg_pcd.h b/target/linux/cns3xxx/files/drivers/usb/dwc/otg_pcd.h deleted file mode 100644 index e75437c21e..0000000000 --- a/target/linux/cns3xxx/files/drivers/usb/dwc/otg_pcd.h +++ /dev/null @@ -1,292 +0,0 @@ -/* ========================================================================== - * $File: //dwh/usb_iip/dev/software/otg/linux/drivers/dwc_otg_pcd.h $ - * $Revision: #36 $ - * $Date: 2008/09/26 $ - * $Change: 1103515 $ - * - * 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. - * ========================================================================== */ -#ifndef DWC_HOST_ONLY -#if !defined(__DWC_PCD_H__) -#define __DWC_PCD_H__ - -#include <linux/types.h> -#include <linux/list.h> -#include <linux/errno.h> -#include <linux/device.h> -#include <linux/platform_device.h> - -#include <linux/usb/ch9.h> -#include <linux/usb/gadget.h> - -#include <linux/interrupt.h> -#include <linux/dma-mapping.h> - -struct dwc_otg_device; - -#include "otg_cil.h" - -/** - * @file - * - * This file contains the structures, constants, and interfaces for - * the Perpherial Contoller Driver (PCD). - * - * The Peripheral Controller Driver (PCD) for Linux will implement the - * Gadget API, so that the existing Gadget drivers can be used. For - * the Mass Storage Function driver the File-backed USB Storage Gadget - * (FBS) driver will be used. The FBS driver supports the - * Control-Bulk (CB), Control-Bulk-Interrupt (CBI), and Bulk-Only - * transports. - * - */ - -/** Invalid DMA Address */ -#define DMA_ADDR_INVALID (~(dma_addr_t)0) -/** Maxpacket size for EP0 */ -#define MAX_EP0_SIZE 64 -/** Maxpacket size for any EP */ -#define MAX_PACKET_SIZE 1024 - -/** Max Transfer size for any EP */ -#define MAX_TRANSFER_SIZE 65535 - -/** Max DMA Descriptor count for any EP */ -#define MAX_DMA_DESC_CNT 64 - -/** - * Get the pointer to the core_if from the pcd pointer. - */ -#define GET_CORE_IF( _pcd ) (_pcd->otg_dev->core_if) - -/** - * States of EP0. - */ -typedef enum ep0_state -{ - EP0_DISCONNECT, /* no host */ - EP0_IDLE, - EP0_IN_DATA_PHASE, - EP0_OUT_DATA_PHASE, - EP0_IN_STATUS_PHASE, - EP0_OUT_STATUS_PHASE, - EP0_STALL, -} ep0state_e; - -/** Fordward declaration.*/ -struct dwc_otg_pcd; - -/** DWC_otg iso request structure. - * - */ -typedef struct usb_iso_request dwc_otg_pcd_iso_request_t; - -/** PCD EP structure. - * This structure describes an EP, there is an array of EPs in the PCD - * structure. - */ -typedef struct dwc_otg_pcd_ep -{ - /** USB EP data */ - struct usb_ep ep; - /** USB EP Descriptor */ - const struct usb_endpoint_descriptor *desc; - - /** queue of dwc_otg_pcd_requests. */ - struct list_head queue; - unsigned stopped : 1; - unsigned disabling : 1; - unsigned dma : 1; - unsigned queue_sof : 1; - -#ifdef DWC_EN_ISOC - /** DWC_otg Isochronous Transfer */ - struct usb_iso_request* iso_req; -#endif //DWC_EN_ISOC - - /** DWC_otg ep data. */ - dwc_ep_t dwc_ep; - - /** Pointer to PCD */ - struct dwc_otg_pcd *pcd; -}dwc_otg_pcd_ep_t; - - - -/** DWC_otg PCD Structure. - * This structure encapsulates the data for the dwc_otg PCD. - */ -typedef struct dwc_otg_pcd -{ - /** USB gadget */ - struct usb_gadget gadget; - /** USB gadget driver pointer*/ - struct usb_gadget_driver *driver; - /** The DWC otg device pointer. */ - struct dwc_otg_device *otg_dev; - - /** State of EP0 */ - ep0state_e ep0state; - /** EP0 Request is pending */ - unsigned ep0_pending : 1; - /** Indicates when SET CONFIGURATION Request is in process */ - unsigned request_config : 1; - /** The state of the Remote Wakeup Enable. */ - unsigned remote_wakeup_enable : 1; - /** The state of the B-Device HNP Enable. */ - unsigned b_hnp_enable : 1; - /** The state of A-Device HNP Support. */ - unsigned a_hnp_support : 1; - /** The state of the A-Device Alt HNP support. */ - unsigned a_alt_hnp_support : 1; - /** Count of pending Requests */ - unsigned request_pending; - - /** SETUP packet for EP0 - * This structure is allocated as a DMA buffer on PCD initialization - * with enough space for up to 3 setup packets. - */ - union - { - struct usb_ctrlrequest req; - uint32_t d32[2]; - } *setup_pkt; - - dma_addr_t setup_pkt_dma_handle; - - /** 2-byte dma buffer used to return status from GET_STATUS */ - uint16_t *status_buf; - dma_addr_t status_buf_dma_handle; - - /** EP0 */ - dwc_otg_pcd_ep_t ep0; - - /** Array of IN EPs. */ - dwc_otg_pcd_ep_t in_ep[ MAX_EPS_CHANNELS - 1]; - /** Array of OUT EPs. */ - dwc_otg_pcd_ep_t out_ep[ MAX_EPS_CHANNELS - 1]; - /** number of valid EPs in the above array. */ -// unsigned num_eps : 4; - spinlock_t lock; - /** Timer for SRP. If it expires before SRP is successful - * clear the SRP. */ - struct timer_list srp_timer; - - /** Tasklet to defer starting of TEST mode transmissions until - * Status Phase has been completed. - */ - struct tasklet_struct test_mode_tasklet; - - /** Tasklet to delay starting of xfer in DMA mode */ - struct tasklet_struct *start_xfer_tasklet; - - /** The test mode to enter when the tasklet is executed. */ - unsigned test_mode; - -} dwc_otg_pcd_t; - - -/** DWC_otg request structure. - * This structure is a list of requests. - */ -typedef struct -{ - struct usb_request req; /**< USB Request. */ - struct list_head queue; /**< queue of these requests. */ -} dwc_otg_pcd_request_t; - - -extern int dwc_otg_pcd_init(struct platform_device *pdev); - -//extern void dwc_otg_pcd_remove( struct dwc_otg_device *_otg_dev ); -extern void dwc_otg_pcd_remove( struct platform_device *pdev ); -extern int32_t dwc_otg_pcd_handle_intr( dwc_otg_pcd_t *pcd ); -extern void dwc_otg_pcd_start_srp_timer(dwc_otg_pcd_t *pcd ); - -extern void dwc_otg_pcd_initiate_srp(dwc_otg_pcd_t *pcd); -extern void dwc_otg_pcd_remote_wakeup(dwc_otg_pcd_t *pcd, int set); - -extern void dwc_otg_iso_buffer_done(dwc_otg_pcd_ep_t *ep, dwc_otg_pcd_iso_request_t *req); -extern void dwc_otg_request_done(dwc_otg_pcd_ep_t *_ep, dwc_otg_pcd_request_t *req, - int status); -extern void dwc_otg_request_nuke(dwc_otg_pcd_ep_t *_ep); -extern void dwc_otg_pcd_update_otg(dwc_otg_pcd_t *_pcd, - const unsigned reset); -#ifndef VERBOSE -#define VERIFY_PCD_DMA_ADDR(_addr_) BUG_ON(((_addr_)==DMA_ADDR_INVALID)||\ - ((_addr_)==0)||\ - ((_addr_)&0x3)) -#else -#define VERIFY_PCD_DMA_ADDR(_addr_) {\ - if(((_addr_)==DMA_ADDR_INVALID)||\ - ((_addr_)==0)||\ - ((_addr_)&0x3)) {\ - printk("%s: Invalid DMA address "#_addr_"(%.8x)\n",__func__,_addr_);\ - BUG();\ - }\ - } -#endif - - -static inline void ep_check_and_patch_dma_addr(dwc_otg_pcd_ep_t *ep){ -//void ep_check_and_patch_dma_addr(dwc_otg_pcd_ep_t *ep){ - dwc_ep_t *dwc_ep=&ep->dwc_ep; - -DWC_DEBUGPL(DBG_PCDV,"%s: dwc_ep xfer_buf=%.8x, total_len=%d, dma_addr=%.8x\n",__func__,(u32)dwc_ep->xfer_buff,(dwc_ep->total_len),dwc_ep->dma_addr); - if (/*(core_if->dma_enable)&&*/(dwc_ep->dma_addr==DMA_ADDR_INVALID)) { - if((((u32)dwc_ep->xfer_buff)&0x3)==0){ - dwc_ep->dma_addr=dma_map_single(NULL,(void *)(dwc_ep->start_xfer_buff),(dwc_ep->total_len), DMA_TO_DEVICE); -DWC_DEBUGPL(DBG_PCDV," got dma_addr=%.8x\n",dwc_ep->dma_addr); - }else{ -DWC_DEBUGPL(DBG_PCDV," buf not aligned, use aligned_buf instead. xfer_buf=%.8x, total_len=%d, aligned_buf_size=%d\n",(u32)dwc_ep->xfer_buff,(dwc_ep->total_len),dwc_ep->aligned_buf_size); - if(dwc_ep->aligned_buf_size<dwc_ep->total_len){ - if(dwc_ep->aligned_buf){ -//printk(" free buff dwc_ep aligned_buf_size=%d, aligned_buf(%.8x), aligned_dma_addr(%.8x));\n",dwc_ep->aligned_buf_size,dwc_ep->aligned_buf,dwc_ep->aligned_dma_addr); - //dma_free_coherent(NULL,dwc_ep->aligned_buf_size,dwc_ep->aligned_buf,dwc_ep->aligned_dma_addr); - kfree(dwc_ep->aligned_buf); - } - dwc_ep->aligned_buf_size=((1<<20)>(dwc_ep->total_len<<1))?(dwc_ep->total_len<<1):(1<<20); - //dwc_ep->aligned_buf = dma_alloc_coherent (NULL, dwc_ep->aligned_buf_size, &dwc_ep->aligned_dma_addr, GFP_KERNEL|GFP_DMA); - dwc_ep->aligned_buf=kmalloc(dwc_ep->aligned_buf_size,GFP_KERNEL|GFP_DMA|GFP_ATOMIC); - dwc_ep->aligned_dma_addr=dma_map_single(NULL,(void *)(dwc_ep->aligned_buf),(dwc_ep->aligned_buf_size),DMA_FROM_DEVICE); - if(!dwc_ep->aligned_buf){ - DWC_ERROR("Cannot alloc required buffer!!\n"); - BUG(); - } -DWC_DEBUGPL(DBG_PCDV," dwc_ep allocated aligned buf=%.8x, dma_addr=%.8x, size=%d(0x%x)\n", (u32)dwc_ep->aligned_buf, dwc_ep->aligned_dma_addr, dwc_ep->aligned_buf_size, dwc_ep->aligned_buf_size); - } - dwc_ep->dma_addr=dwc_ep->aligned_dma_addr; - if(dwc_ep->is_in) { - memcpy(dwc_ep->aligned_buf,dwc_ep->xfer_buff,dwc_ep->total_len); - dma_sync_single_for_device(NULL,dwc_ep->dma_addr,dwc_ep->total_len,DMA_TO_DEVICE); - } - } - } -} - -#endif -#endif /* DWC_HOST_ONLY */ |