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1108 lines
33 KiB
1108 lines
33 KiB
/* ==========================================================================
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* $File: //dwh/usb_iip/dev/software/otg/linux/drivers/dwc_otg_cil.h $
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* $Revision: #91 $
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* $Date: 2008/09/19 $
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* $Change: 1099526 $
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*
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* Synopsys HS OTG Linux Software Driver and documentation (hereinafter,
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* "Software") is an Unsupported proprietary work of Synopsys, Inc. unless
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* otherwise expressly agreed to in writing between Synopsys and you.
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*
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* The Software IS NOT an item of Licensed Software or Licensed Product under
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* any End User Software License Agreement or Agreement for Licensed Product
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* with Synopsys or any supplement thereto. You are permitted to use and
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* redistribute this Software in source and binary forms, with or without
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* modification, provided that redistributions of source code must retain this
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* notice. You may not view, use, disclose, copy or distribute this file or
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* any information contained herein except pursuant to this license grant from
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* Synopsys. If you do not agree with this notice, including the disclaimer
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* below, then you are not authorized to use the Software.
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*
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* THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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* ========================================================================== */
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#if !defined(__DWC_CIL_H__)
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#define __DWC_CIL_H__
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#include <linux/workqueue.h>
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#include <linux/version.h>
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#include <asm/param.h>
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//#include <asm/arch/regs-irq.h>
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#include "otg_plat.h"
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#include "otg_regs.h"
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#ifdef DEBUG
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#include "linux/timer.h"
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#endif
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struct dwc_otg_hcd;
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/**
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* @file
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* This file contains the interface to the Core Interface Layer.
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*/
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/** Macros defined for DWC OTG HW Release verison */
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#define OTG_CORE_REV_2_00 0x4F542000
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#define OTG_CORE_REV_2_60a 0x4F54260A
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#define OTG_CORE_REV_2_71a 0x4F54271A
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#define OTG_CORE_REV_2_72a 0x4F54272A
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/**
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*/
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typedef struct iso_pkt_info
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{
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uint32_t offset;
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uint32_t length;
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int32_t status;
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} iso_pkt_info_t;
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/**
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* The <code>dwc_ep</code> structure represents the state of a single
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* endpoint when acting in device mode. It contains the data items
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* needed for an endpoint to be activated and transfer packets.
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*/
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typedef struct dwc_ep
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{
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/** EP number used for register address lookup */
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uint8_t num;
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/** EP direction 0 = OUT */
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unsigned is_in : 1;
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/** EP active. */
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unsigned active : 1;
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/** Periodic Tx FIFO # for IN EPs For INTR EP set to 0 to use non-periodic Tx FIFO
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If dedicated Tx FIFOs are enabled for all IN Eps - Tx FIFO # FOR IN EPs*/
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unsigned tx_fifo_num : 4;
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/** EP type: 0 - Control, 1 - ISOC, 2 - BULK, 3 - INTR */
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unsigned type : 2;
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#define DWC_OTG_EP_TYPE_CONTROL 0
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#define DWC_OTG_EP_TYPE_ISOC 1
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#define DWC_OTG_EP_TYPE_BULK 2
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#define DWC_OTG_EP_TYPE_INTR 3
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/** DATA start PID for INTR and BULK EP */
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unsigned data_pid_start : 1;
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/** Frame (even/odd) for ISOC EP */
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unsigned even_odd_frame : 1;
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/** Max Packet bytes */
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unsigned maxpacket : 11;
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/** Max Transfer size */
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unsigned maxxfer : 16;
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/** @name Transfer state */
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/** @{ */
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/**
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* Pointer to the beginning of the transfer buffer -- do not modify
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* during transfer.
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*/
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uint32_t dma_addr;
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uint32_t dma_desc_addr;
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dwc_otg_dma_desc_t* desc_addr;
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uint8_t *start_xfer_buff;
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/** pointer to the transfer buffer */
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uint8_t *xfer_buff;
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/** Number of bytes to transfer */
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unsigned xfer_len : 19;
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/** Number of bytes transferred. */
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unsigned xfer_count : 19;
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/** Sent ZLP */
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unsigned sent_zlp : 1;
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/** Total len for control transfer */
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unsigned total_len : 19;
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/** stall clear flag */
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unsigned stall_clear_flag : 1;
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/** Allocated DMA Desc count */
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uint32_t desc_cnt;
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uint32_t aligned_dma_addr;
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uint32_t aligned_buf_size;
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uint8_t *aligned_buf;
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#ifdef DWC_EN_ISOC
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/**
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* Variables specific for ISOC EPs
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*
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*/
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/** DMA addresses of ISOC buffers */
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uint32_t dma_addr0;
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uint32_t dma_addr1;
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uint32_t iso_dma_desc_addr;
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dwc_otg_dma_desc_t* iso_desc_addr;
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/** pointer to the transfer buffers */
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uint8_t *xfer_buff0;
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uint8_t *xfer_buff1;
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/** number of ISOC Buffer is processing */
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uint32_t proc_buf_num;
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/** Interval of ISOC Buffer processing */
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uint32_t buf_proc_intrvl;
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/** Data size for regular frame */
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uint32_t data_per_frame;
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/* todo - pattern data support is to be implemented in the future */
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/** Data size for pattern frame */
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uint32_t data_pattern_frame;
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/** Frame number of pattern data */
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uint32_t sync_frame;
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/** bInterval */
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uint32_t bInterval;
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/** ISO Packet number per frame */
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uint32_t pkt_per_frm;
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/** Next frame num for which will be setup DMA Desc */
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uint32_t next_frame;
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/** Number of packets per buffer processing */
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uint32_t pkt_cnt;
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/** Info for all isoc packets */
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iso_pkt_info_t *pkt_info;
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/** current pkt number */
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uint32_t cur_pkt;
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/** current pkt number */
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uint8_t *cur_pkt_addr;
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/** current pkt number */
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uint32_t cur_pkt_dma_addr;
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#endif //DWC_EN_ISOC
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/** @} */
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} dwc_ep_t;
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/*
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* Reasons for halting a host channel.
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*/
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typedef enum dwc_otg_halt_status
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{
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DWC_OTG_HC_XFER_NO_HALT_STATUS,
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DWC_OTG_HC_XFER_COMPLETE,
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DWC_OTG_HC_XFER_URB_COMPLETE,
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DWC_OTG_HC_XFER_ACK,
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DWC_OTG_HC_XFER_NAK,
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DWC_OTG_HC_XFER_NYET,
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DWC_OTG_HC_XFER_STALL,
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DWC_OTG_HC_XFER_XACT_ERR,
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DWC_OTG_HC_XFER_FRAME_OVERRUN,
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DWC_OTG_HC_XFER_BABBLE_ERR,
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DWC_OTG_HC_XFER_DATA_TOGGLE_ERR,
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DWC_OTG_HC_XFER_AHB_ERR,
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DWC_OTG_HC_XFER_PERIODIC_INCOMPLETE,
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DWC_OTG_HC_XFER_URB_DEQUEUE
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} dwc_otg_halt_status_e;
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/**
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* Host channel descriptor. This structure represents the state of a single
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* host channel when acting in host mode. It contains the data items needed to
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* transfer packets to an endpoint via a host channel.
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*/
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typedef struct dwc_hc
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{
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/** Host channel number used for register address lookup */
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uint8_t hc_num;
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/** Device to access */
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unsigned dev_addr : 7;
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/** EP to access */
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unsigned ep_num : 4;
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/** EP direction. 0: OUT, 1: IN */
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unsigned ep_is_in : 1;
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/**
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* EP speed.
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* One of the following values:
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* - DWC_OTG_EP_SPEED_LOW
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* - DWC_OTG_EP_SPEED_FULL
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* - DWC_OTG_EP_SPEED_HIGH
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*/
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unsigned speed : 2;
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#define DWC_OTG_EP_SPEED_LOW 0
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#define DWC_OTG_EP_SPEED_FULL 1
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#define DWC_OTG_EP_SPEED_HIGH 2
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/**
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* Endpoint type.
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* One of the following values:
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* - DWC_OTG_EP_TYPE_CONTROL: 0
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* - DWC_OTG_EP_TYPE_ISOC: 1
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* - DWC_OTG_EP_TYPE_BULK: 2
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* - DWC_OTG_EP_TYPE_INTR: 3
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*/
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unsigned ep_type : 2;
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/** Max packet size in bytes */
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unsigned max_packet : 11;
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/**
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* PID for initial transaction.
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* 0: DATA0,<br>
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* 1: DATA2,<br>
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* 2: DATA1,<br>
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* 3: MDATA (non-Control EP),
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* SETUP (Control EP)
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*/
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unsigned data_pid_start : 2;
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#define DWC_OTG_HC_PID_DATA0 0
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#define DWC_OTG_HC_PID_DATA2 1
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#define DWC_OTG_HC_PID_DATA1 2
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#define DWC_OTG_HC_PID_MDATA 3
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#define DWC_OTG_HC_PID_SETUP 3
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/** Number of periodic transactions per (micro)frame */
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unsigned multi_count: 2;
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/** @name Transfer State */
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/** @{ */
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/** Pointer to the current transfer buffer position. */
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uint8_t *xfer_buff;
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/** Total number of bytes to transfer. */
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uint32_t xfer_len;
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/** Number of bytes transferred so far. */
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uint32_t xfer_count;
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/** Packet count at start of transfer.*/
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uint16_t start_pkt_count;
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/**
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* Flag to indicate whether the transfer has been started. Set to 1 if
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* it has been started, 0 otherwise.
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*/
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uint8_t xfer_started;
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/**
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* Set to 1 to indicate that a PING request should be issued on this
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* channel. If 0, process normally.
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*/
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uint8_t do_ping;
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/**
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* Set to 1 to indicate that the error count for this transaction is
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* non-zero. Set to 0 if the error count is 0.
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*/
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uint8_t error_state;
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/**
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* Set to 1 to indicate that this channel should be halted the next
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* time a request is queued for the channel. This is necessary in
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* slave mode if no request queue space is available when an attempt
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* is made to halt the channel.
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*/
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uint8_t halt_on_queue;
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/**
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* Set to 1 if the host channel has been halted, but the core is not
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* finished flushing queued requests. Otherwise 0.
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*/
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uint8_t halt_pending;
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/**
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* Reason for halting the host channel.
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*/
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dwc_otg_halt_status_e halt_status;
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/*
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* Split settings for the host channel
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*/
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uint8_t do_split; /**< Enable split for the channel */
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uint8_t complete_split; /**< Enable complete split */
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uint8_t hub_addr; /**< Address of high speed hub */
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uint8_t port_addr; /**< Port of the low/full speed device */
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/** Split transaction position
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* One of the following values:
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* - DWC_HCSPLIT_XACTPOS_MID
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* - DWC_HCSPLIT_XACTPOS_BEGIN
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* - DWC_HCSPLIT_XACTPOS_END
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* - DWC_HCSPLIT_XACTPOS_ALL */
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uint8_t xact_pos;
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/** Set when the host channel does a short read. */
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uint8_t short_read;
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/**
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* Number of requests issued for this channel since it was assigned to
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* the current transfer (not counting PINGs).
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*/
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uint8_t requests;
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/**
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* Queue Head for the transfer being processed by this channel.
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*/
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struct dwc_otg_qh *qh;
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/** @} */
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/** Entry in list of host channels. */
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struct list_head hc_list_entry;
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} dwc_hc_t;
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/**
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* The following parameters may be specified when starting the module. These
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* parameters define how the DWC_otg controller should be configured.
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* Parameter values are passed to the CIL initialization function
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* dwc_otg_cil_init.
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*/
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typedef struct dwc_otg_core_params
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{
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int32_t opt;
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#define dwc_param_opt_default 1
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/**
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* Specifies the OTG capabilities. The driver will automatically
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* detect the value for this parameter if none is specified.
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* 0 - HNP and SRP capable (default)
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* 1 - SRP Only capable
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* 2 - No HNP/SRP capable
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*/
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int32_t otg_cap;
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#define DWC_OTG_CAP_PARAM_HNP_SRP_CAPABLE 0
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#define DWC_OTG_CAP_PARAM_SRP_ONLY_CAPABLE 1
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#define DWC_OTG_CAP_PARAM_NO_HNP_SRP_CAPABLE 2
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//#define dwc_param_otg_cap_default DWC_OTG_CAP_PARAM_HNP_SRP_CAPABLE
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#define dwc_param_otg_cap_default DWC_OTG_CAP_PARAM_NO_HNP_SRP_CAPABLE
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/**
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* Specifies whether to use slave or DMA mode for accessing the data
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* FIFOs. The driver will automatically detect the value for this
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* parameter if none is specified.
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* 0 - Slave
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* 1 - DMA (default, if available)
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*/
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int32_t dma_enable;
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#define dwc_param_dma_enable_default 1
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/**
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* When DMA mode is enabled specifies whether to use address DMA or DMA Descritor mode for accessing the data
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* FIFOs in device mode. The driver will automatically detect the value for this
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* parameter if none is specified.
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* 0 - address DMA
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* 1 - DMA Descriptor(default, if available)
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*/
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int32_t dma_desc_enable;
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#define dwc_param_dma_desc_enable_default 0
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/** The DMA Burst size (applicable only for External DMA
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* Mode). 1, 4, 8 16, 32, 64, 128, 256 (default 32)
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*/
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int32_t dma_burst_size; /* Translate this to GAHBCFG values */
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//#define dwc_param_dma_burst_size_default 32
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#define dwc_param_dma_burst_size_default 32
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/**
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* Specifies the maximum speed of operation in host and device mode.
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* The actual speed depends on the speed of the attached device and
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* the value of phy_type. The actual speed depends on the speed of the
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* attached device.
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* 0 - High Speed (default)
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* 1 - Full Speed
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*/
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int32_t speed;
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#define dwc_param_speed_default 0
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#define DWC_SPEED_PARAM_HIGH 0
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#define DWC_SPEED_PARAM_FULL 1
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/** Specifies whether low power mode is supported when attached
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* to a Full Speed or Low Speed device in host mode.
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* 0 - Don't support low power mode (default)
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* 1 - Support low power mode
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*/
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int32_t host_support_fs_ls_low_power;
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#define dwc_param_host_support_fs_ls_low_power_default 0
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/** Specifies the PHY clock rate in low power mode when connected to a
|
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* Low Speed device in host mode. This parameter is applicable only if
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* HOST_SUPPORT_FS_LS_LOW_POWER is enabled. If PHY_TYPE is set to FS
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* then defaults to 6 MHZ otherwise 48 MHZ.
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*
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* 0 - 48 MHz
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* 1 - 6 MHz
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*/
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int32_t host_ls_low_power_phy_clk;
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#define dwc_param_host_ls_low_power_phy_clk_default 0
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#define DWC_HOST_LS_LOW_POWER_PHY_CLK_PARAM_48MHZ 0
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#define DWC_HOST_LS_LOW_POWER_PHY_CLK_PARAM_6MHZ 1
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/**
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* 0 - Use cC FIFO size parameters
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* 1 - Allow dynamic FIFO sizing (default)
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*/
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int32_t enable_dynamic_fifo;
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#define dwc_param_enable_dynamic_fifo_default 1
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/** Total number of 4-byte words in the data FIFO memory. This
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* memory includes the Rx FIFO, non-periodic Tx FIFO, and periodic
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* Tx FIFOs.
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* 32 to 32768 (default 8192)
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* Note: The total FIFO memory depth in the FPGA configuration is 8192.
|
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*/
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int32_t data_fifo_size;
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#define dwc_param_data_fifo_size_default 8192
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|
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/** Number of 4-byte words in the Rx FIFO in device mode when dynamic
|
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* FIFO sizing is enabled.
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* 16 to 32768 (default 1064)
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*/
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int32_t dev_rx_fifo_size;
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//#define dwc_param_dev_rx_fifo_size_default 1064
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#define dwc_param_dev_rx_fifo_size_default 0x100
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|
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/**
|
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* Specifies whether dedicated transmit FIFOs are
|
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* enabled for non periodic IN endpoints in device mode
|
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* 0 - No
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* 1 - Yes
|
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*/
|
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int32_t en_multiple_tx_fifo;
|
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#define dwc_param_en_multiple_tx_fifo_default 1
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|
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/** Number of 4-byte words in each of the Tx FIFOs in device
|
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* mode when dynamic FIFO sizing is enabled.
|
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* 4 to 768 (default 256)
|
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*/
|
|
uint32_t dev_tx_fifo_size[MAX_TX_FIFOS];
|
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//#define dwc_param_dev_tx_fifo_size_default 256
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#define dwc_param_dev_tx_fifo_size_default 0x80
|
|
|
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/** Number of 4-byte words in the non-periodic Tx FIFO in device mode
|
|
* when dynamic FIFO sizing is enabled.
|
|
* 16 to 32768 (default 1024)
|
|
*/
|
|
int32_t dev_nperio_tx_fifo_size;
|
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//#define dwc_param_dev_nperio_tx_fifo_size_default 1024
|
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#define dwc_param_dev_nperio_tx_fifo_size_default 0x80
|
|
|
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/** Number of 4-byte words in each of the periodic Tx FIFOs in device
|
|
* mode when dynamic FIFO sizing is enabled.
|
|
* 4 to 768 (default 256)
|
|
*/
|
|
uint32_t dev_perio_tx_fifo_size[MAX_PERIO_FIFOS];
|
|
//#define dwc_param_dev_perio_tx_fifo_size_default 256
|
|
#define dwc_param_dev_perio_tx_fifo_size_default 0x80
|
|
|
|
/** Number of 4-byte words in the Rx FIFO in host mode when dynamic
|
|
* FIFO sizing is enabled.
|
|
* 16 to 32768 (default 1024)
|
|
*/
|
|
int32_t host_rx_fifo_size;
|
|
//#define dwc_param_host_rx_fifo_size_default 1024
|
|
#define dwc_param_host_rx_fifo_size_default 0x292
|
|
|
|
/** Number of 4-byte words in the non-periodic Tx FIFO in host mode
|
|
* when Dynamic FIFO sizing is enabled in the core.
|
|
* 16 to 32768 (default 1024)
|
|
*/
|
|
int32_t host_nperio_tx_fifo_size;
|
|
//#define dwc_param_host_nperio_tx_fifo_size_default 1024
|
|
//#define dwc_param_host_nperio_tx_fifo_size_default 0x292
|
|
#define dwc_param_host_nperio_tx_fifo_size_default 0x80
|
|
|
|
/** Number of 4-byte words in the host periodic Tx FIFO when dynamic
|
|
* FIFO sizing is enabled.
|
|
* 16 to 32768 (default 1024)
|
|
*/
|
|
int32_t host_perio_tx_fifo_size;
|
|
//#define dwc_param_host_perio_tx_fifo_size_default 1024
|
|
#define dwc_param_host_perio_tx_fifo_size_default 0x292
|
|
|
|
/** The maximum transfer size supported in bytes.
|
|
* 2047 to 65,535 (default 65,535)
|
|
*/
|
|
int32_t max_transfer_size;
|
|
#define dwc_param_max_transfer_size_default 65535
|
|
|
|
/** The maximum number of packets in a transfer.
|
|
* 15 to 511 (default 511)
|
|
*/
|
|
int32_t max_packet_count;
|
|
#define dwc_param_max_packet_count_default 511
|
|
|
|
/** The number of host channel registers to use.
|
|
* 1 to 16 (default 12)
|
|
* Note: The FPGA configuration supports a maximum of 12 host channels.
|
|
*/
|
|
int32_t host_channels;
|
|
//#define dwc_param_host_channels_default 12
|
|
#define dwc_param_host_channels_default 16
|
|
|
|
/** The number of endpoints in addition to EP0 available for device
|
|
* mode operations.
|
|
* 1 to 15 (default 6 IN and OUT)
|
|
* Note: The FPGA configuration supports a maximum of 6 IN and OUT
|
|
* endpoints in addition to EP0.
|
|
*/
|
|
int32_t dev_endpoints;
|
|
//#define dwc_param_dev_endpoints_default 6
|
|
#define dwc_param_dev_endpoints_default 8
|
|
|
|
/**
|
|
* Specifies the type of PHY interface to use. By default, the driver
|
|
* will automatically detect the phy_type.
|
|
*
|
|
* 0 - Full Speed PHY
|
|
* 1 - UTMI+ (default)
|
|
* 2 - ULPI
|
|
*/
|
|
int32_t phy_type;
|
|
#define DWC_PHY_TYPE_PARAM_FS 0
|
|
#define DWC_PHY_TYPE_PARAM_UTMI 1
|
|
#define DWC_PHY_TYPE_PARAM_ULPI 2
|
|
#define dwc_param_phy_type_default DWC_PHY_TYPE_PARAM_UTMI
|
|
|
|
/**
|
|
* Specifies the UTMI+ Data Width. This parameter is
|
|
* applicable for a PHY_TYPE of UTMI+ or ULPI. (For a ULPI
|
|
* PHY_TYPE, this parameter indicates the data width between
|
|
* the MAC and the ULPI Wrapper.) Also, this parameter is
|
|
* applicable only if the OTG_HSPHY_WIDTH cC parameter was set
|
|
* to "8 and 16 bits", meaning that the core has been
|
|
* configured to work at either data path width.
|
|
*
|
|
* 8 or 16 bits (default 16)
|
|
*/
|
|
int32_t phy_utmi_width;
|
|
#define dwc_param_phy_utmi_width_default 16
|
|
|
|
/**
|
|
* Specifies whether the ULPI operates at double or single
|
|
* data rate. This parameter is only applicable if PHY_TYPE is
|
|
* ULPI.
|
|
*
|
|
* 0 - single data rate ULPI interface with 8 bit wide data
|
|
* bus (default)
|
|
* 1 - double data rate ULPI interface with 4 bit wide data
|
|
* bus
|
|
*/
|
|
int32_t phy_ulpi_ddr;
|
|
#define dwc_param_phy_ulpi_ddr_default 0
|
|
|
|
/**
|
|
* Specifies whether to use the internal or external supply to
|
|
* drive the vbus with a ULPI phy.
|
|
*/
|
|
int32_t phy_ulpi_ext_vbus;
|
|
#define DWC_PHY_ULPI_INTERNAL_VBUS 0
|
|
#define DWC_PHY_ULPI_EXTERNAL_VBUS 1
|
|
#define dwc_param_phy_ulpi_ext_vbus_default DWC_PHY_ULPI_INTERNAL_VBUS
|
|
|
|
/**
|
|
* Specifies whether to use the I2Cinterface for full speed PHY. This
|
|
* parameter is only applicable if PHY_TYPE is FS.
|
|
* 0 - No (default)
|
|
* 1 - Yes
|
|
*/
|
|
int32_t i2c_enable;
|
|
#define dwc_param_i2c_enable_default 0
|
|
|
|
int32_t ulpi_fs_ls;
|
|
#define dwc_param_ulpi_fs_ls_default 0
|
|
|
|
int32_t ts_dline;
|
|
#define dwc_param_ts_dline_default 0
|
|
|
|
/** Thresholding enable flag-
|
|
* bit 0 - enable non-ISO Tx thresholding
|
|
* bit 1 - enable ISO Tx thresholding
|
|
* bit 2 - enable Rx thresholding
|
|
*/
|
|
uint32_t thr_ctl;
|
|
#define dwc_param_thr_ctl_default 0
|
|
|
|
/** Thresholding length for Tx
|
|
* FIFOs in 32 bit DWORDs
|
|
*/
|
|
uint32_t tx_thr_length;
|
|
#define dwc_param_tx_thr_length_default 64
|
|
|
|
/** Thresholding length for Rx
|
|
* FIFOs in 32 bit DWORDs
|
|
*/
|
|
uint32_t rx_thr_length;
|
|
#define dwc_param_rx_thr_length_default 64
|
|
|
|
/** Per Transfer Interrupt
|
|
* mode enable flag
|
|
* 1 - Enabled
|
|
* 0 - Disabled
|
|
*/
|
|
uint32_t pti_enable;
|
|
#define dwc_param_pti_enable_default 0
|
|
|
|
/** Molti Processor Interrupt
|
|
* mode enable flag
|
|
* 1 - Enabled
|
|
* 0 - Disabled
|
|
*/
|
|
uint32_t mpi_enable;
|
|
#define dwc_param_mpi_enable_default 0
|
|
|
|
} dwc_otg_core_params_t;
|
|
|
|
#ifdef DEBUG
|
|
struct dwc_otg_core_if;
|
|
typedef struct hc_xfer_info
|
|
{
|
|
struct dwc_otg_core_if *core_if;
|
|
dwc_hc_t *hc;
|
|
} hc_xfer_info_t;
|
|
#endif
|
|
|
|
/**
|
|
* The <code>dwc_otg_core_if</code> structure contains information needed to manage
|
|
* the DWC_otg controller acting in either host or device mode. It
|
|
* represents the programming view of the controller as a whole.
|
|
*/
|
|
typedef struct dwc_otg_core_if
|
|
{
|
|
/** Parameters that define how the core should be configured.*/
|
|
dwc_otg_core_params_t *core_params;
|
|
|
|
/** Core Global registers starting at offset 000h. */
|
|
dwc_otg_core_global_regs_t *core_global_regs;
|
|
|
|
/** Device-specific information */
|
|
dwc_otg_dev_if_t *dev_if;
|
|
/** Host-specific information */
|
|
dwc_otg_host_if_t *host_if;
|
|
|
|
/** Value from SNPSID register */
|
|
uint32_t snpsid;
|
|
|
|
/*
|
|
* Set to 1 if the core PHY interface bits in USBCFG have been
|
|
* initialized.
|
|
*/
|
|
uint8_t phy_init_done;
|
|
|
|
/*
|
|
* SRP Success flag, set by srp success interrupt in FS I2C mode
|
|
*/
|
|
uint8_t srp_success;
|
|
uint8_t srp_timer_started;
|
|
|
|
/* Common configuration information */
|
|
/** Power and Clock Gating Control Register */
|
|
volatile uint32_t *pcgcctl;
|
|
#define DWC_OTG_PCGCCTL_OFFSET 0xE00
|
|
|
|
/** Push/pop addresses for endpoints or host channels.*/
|
|
uint32_t *data_fifo[MAX_EPS_CHANNELS];
|
|
#define DWC_OTG_DATA_FIFO_OFFSET 0x1000
|
|
#define DWC_OTG_DATA_FIFO_SIZE 0x1000
|
|
|
|
/** Total RAM for FIFOs (Bytes) */
|
|
uint16_t total_fifo_size;
|
|
/** Size of Rx FIFO (Bytes) */
|
|
uint16_t rx_fifo_size;
|
|
/** Size of Non-periodic Tx FIFO (Bytes) */
|
|
uint16_t nperio_tx_fifo_size;
|
|
|
|
|
|
/** 1 if DMA is enabled, 0 otherwise. */
|
|
uint8_t dma_enable;
|
|
|
|
/** 1 if Descriptor DMA mode is enabled, 0 otherwise. */
|
|
uint8_t dma_desc_enable;
|
|
|
|
/** 1 if PTI Enhancement mode is enabled, 0 otherwise. */
|
|
uint8_t pti_enh_enable;
|
|
|
|
/** 1 if MPI Enhancement mode is enabled, 0 otherwise. */
|
|
uint8_t multiproc_int_enable;
|
|
|
|
/** 1 if dedicated Tx FIFOs are enabled, 0 otherwise. */
|
|
uint8_t en_multiple_tx_fifo;
|
|
|
|
/** Set to 1 if multiple packets of a high-bandwidth transfer is in
|
|
* process of being queued */
|
|
uint8_t queuing_high_bandwidth;
|
|
|
|
/** Hardware Configuration -- stored here for convenience.*/
|
|
hwcfg1_data_t hwcfg1;
|
|
hwcfg2_data_t hwcfg2;
|
|
hwcfg3_data_t hwcfg3;
|
|
hwcfg4_data_t hwcfg4;
|
|
|
|
/** Host and Device Configuration -- stored here for convenience.*/
|
|
hcfg_data_t hcfg;
|
|
dcfg_data_t dcfg;
|
|
|
|
/** The operational State, during transations
|
|
* (a_host>>a_peripherial and b_device=>b_host) this may not
|
|
* match the core but allows the software to determine
|
|
* transitions.
|
|
*/
|
|
uint8_t op_state;
|
|
|
|
/**
|
|
* Set to 1 if the HCD needs to be restarted on a session request
|
|
* interrupt. This is required if no connector ID status change has
|
|
* occurred since the HCD was last disconnected.
|
|
*/
|
|
uint8_t restart_hcd_on_session_req;
|
|
|
|
/** HCD callbacks */
|
|
/** A-Device is a_host */
|
|
#define A_HOST (1)
|
|
/** A-Device is a_suspend */
|
|
#define A_SUSPEND (2)
|
|
/** A-Device is a_peripherial */
|
|
#define A_PERIPHERAL (3)
|
|
/** B-Device is operating as a Peripheral. */
|
|
#define B_PERIPHERAL (4)
|
|
/** B-Device is operating as a Host. */
|
|
#define B_HOST (5)
|
|
|
|
/** HCD callbacks */
|
|
struct dwc_otg_cil_callbacks *hcd_cb;
|
|
/** PCD callbacks */
|
|
struct dwc_otg_cil_callbacks *pcd_cb;
|
|
|
|
/** Device mode Periodic Tx FIFO Mask */
|
|
uint32_t p_tx_msk;
|
|
/** Device mode Periodic Tx FIFO Mask */
|
|
uint32_t tx_msk;
|
|
|
|
/** Workqueue object used for handling several interrupts */
|
|
struct workqueue_struct *wq_otg;
|
|
|
|
/** Work object used for handling "Connector ID Status Change" Interrupt */
|
|
struct work_struct w_conn_id;
|
|
|
|
/** Work object used for handling "Wakeup Detected" Interrupt */
|
|
struct delayed_work w_wkp;
|
|
|
|
#ifdef DEBUG
|
|
uint32_t start_hcchar_val[MAX_EPS_CHANNELS];
|
|
|
|
hc_xfer_info_t hc_xfer_info[MAX_EPS_CHANNELS];
|
|
struct timer_list hc_xfer_timer[MAX_EPS_CHANNELS];
|
|
|
|
uint32_t hfnum_7_samples;
|
|
uint64_t hfnum_7_frrem_accum;
|
|
uint32_t hfnum_0_samples;
|
|
uint64_t hfnum_0_frrem_accum;
|
|
uint32_t hfnum_other_samples;
|
|
uint64_t hfnum_other_frrem_accum;
|
|
#endif
|
|
|
|
|
|
} dwc_otg_core_if_t;
|
|
|
|
/*We must clear S3C24XX_EINTPEND external interrupt register
|
|
* because after clearing in this register trigerred IRQ from
|
|
* H/W core in kernel interrupt can be occured again before OTG
|
|
* handlers clear all IRQ sources of Core registers because of
|
|
* timing latencies and Low Level IRQ Type.
|
|
*/
|
|
|
|
#ifdef CONFIG_MACH_IPMATE
|
|
#define S3C2410X_CLEAR_EINTPEND() \
|
|
do { \
|
|
if (!dwc_otg_read_core_intr(core_if)) { \
|
|
__raw_writel(1UL << 11,S3C24XX_EINTPEND); \
|
|
} \
|
|
} while (0)
|
|
#else
|
|
#define S3C2410X_CLEAR_EINTPEND() do { } while (0)
|
|
#endif
|
|
|
|
/*
|
|
* The following functions are functions for works
|
|
* using during handling some interrupts
|
|
*/
|
|
extern void w_conn_id_status_change(struct work_struct *p);
|
|
extern void w_wakeup_detected(struct work_struct *p);
|
|
|
|
|
|
/*
|
|
* The following functions support initialization of the CIL driver component
|
|
* and the DWC_otg controller.
|
|
*/
|
|
extern dwc_otg_core_if_t *dwc_otg_cil_init(const uint32_t *_reg_base_addr,
|
|
dwc_otg_core_params_t *_core_params);
|
|
extern void dwc_otg_cil_remove(dwc_otg_core_if_t *_core_if);
|
|
extern void dwc_otg_core_init(dwc_otg_core_if_t *_core_if);
|
|
extern void dwc_otg_core_host_init(dwc_otg_core_if_t *_core_if);
|
|
extern void dwc_otg_core_dev_init(dwc_otg_core_if_t *_core_if);
|
|
extern void dwc_otg_enable_global_interrupts( dwc_otg_core_if_t *_core_if );
|
|
extern void dwc_otg_disable_global_interrupts( dwc_otg_core_if_t *_core_if );
|
|
|
|
/** @name Device CIL Functions
|
|
* The following functions support managing the DWC_otg controller in device
|
|
* mode.
|
|
*/
|
|
/**@{*/
|
|
extern void dwc_otg_wakeup(dwc_otg_core_if_t *_core_if);
|
|
extern void dwc_otg_read_setup_packet (dwc_otg_core_if_t *_core_if, uint32_t *_dest);
|
|
extern uint32_t dwc_otg_get_frame_number(dwc_otg_core_if_t *_core_if);
|
|
extern void dwc_otg_ep0_activate(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep);
|
|
extern void dwc_otg_ep_activate(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep);
|
|
extern void dwc_otg_ep_deactivate(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep);
|
|
extern void dwc_otg_ep_start_transfer(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep);
|
|
extern void dwc_otg_ep_start_zl_transfer(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep);
|
|
extern void dwc_otg_ep0_start_transfer(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep);
|
|
extern void dwc_otg_ep0_continue_transfer(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep);
|
|
extern void dwc_otg_ep_write_packet(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep, int _dma);
|
|
extern void dwc_otg_ep_set_stall(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep);
|
|
extern void dwc_otg_ep_clear_stall(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep);
|
|
extern void dwc_otg_enable_device_interrupts(dwc_otg_core_if_t *_core_if);
|
|
extern void dwc_otg_dump_dev_registers(dwc_otg_core_if_t *_core_if);
|
|
extern void dwc_otg_dump_spram(dwc_otg_core_if_t *_core_if);
|
|
#ifdef DWC_EN_ISOC
|
|
extern void dwc_otg_iso_ep_start_frm_transfer(dwc_otg_core_if_t *core_if, dwc_ep_t *ep);
|
|
extern void dwc_otg_iso_ep_start_buf_transfer(dwc_otg_core_if_t *core_if, dwc_ep_t *ep);
|
|
#endif //DWC_EN_ISOC
|
|
/**@}*/
|
|
|
|
/** @name Host CIL Functions
|
|
* The following functions support managing the DWC_otg controller in host
|
|
* mode.
|
|
*/
|
|
/**@{*/
|
|
extern void dwc_otg_hc_init(dwc_otg_core_if_t *_core_if, dwc_hc_t *_hc);
|
|
extern void dwc_otg_hc_halt(struct dwc_otg_hcd *_hcd,
|
|
dwc_hc_t *_hc,
|
|
dwc_otg_halt_status_e _halt_status);
|
|
extern void dwc_otg_hc_cleanup(dwc_otg_core_if_t *_core_if, dwc_hc_t *_hc);
|
|
extern void dwc_otg_hc_start_transfer(dwc_otg_core_if_t *_core_if, dwc_hc_t *_hc);
|
|
extern int dwc_otg_hc_continue_transfer(dwc_otg_core_if_t *_core_if, dwc_hc_t *_hc);
|
|
extern void dwc_otg_hc_do_ping(dwc_otg_core_if_t *_core_if, dwc_hc_t *_hc);
|
|
extern void dwc_otg_hc_write_packet(dwc_otg_core_if_t *_core_if, dwc_hc_t *_hc);
|
|
extern void dwc_otg_enable_host_interrupts(dwc_otg_core_if_t *_core_if);
|
|
extern void dwc_otg_disable_host_interrupts(dwc_otg_core_if_t *_core_if);
|
|
|
|
/**
|
|
* This function Reads HPRT0 in preparation to modify. It keeps the
|
|
* WC bits 0 so that if they are read as 1, they won't clear when you
|
|
* write it back
|
|
*/
|
|
static inline uint32_t dwc_otg_read_hprt0(dwc_otg_core_if_t *_core_if)
|
|
{
|
|
hprt0_data_t hprt0;
|
|
hprt0.d32 = dwc_read_reg32(_core_if->host_if->hprt0);
|
|
hprt0.b.prtena = 0;
|
|
hprt0.b.prtconndet = 0;
|
|
hprt0.b.prtenchng = 0;
|
|
hprt0.b.prtovrcurrchng = 0;
|
|
return hprt0.d32;
|
|
}
|
|
|
|
extern void dwc_otg_dump_host_registers(dwc_otg_core_if_t *_core_if);
|
|
/**@}*/
|
|
|
|
/** @name Common CIL Functions
|
|
* The following functions support managing the DWC_otg controller in either
|
|
* device or host mode.
|
|
*/
|
|
/**@{*/
|
|
|
|
extern void dwc_otg_read_packet(dwc_otg_core_if_t *core_if,
|
|
uint8_t *dest,
|
|
uint16_t bytes);
|
|
|
|
extern void dwc_otg_dump_global_registers(dwc_otg_core_if_t *_core_if);
|
|
|
|
extern void dwc_otg_flush_tx_fifo( dwc_otg_core_if_t *_core_if,
|
|
const int _num );
|
|
extern void dwc_otg_flush_rx_fifo( dwc_otg_core_if_t *_core_if );
|
|
extern void dwc_otg_core_reset( dwc_otg_core_if_t *_core_if );
|
|
|
|
extern dwc_otg_dma_desc_t* dwc_otg_ep_alloc_desc_chain(uint32_t * dma_desc_addr, uint32_t count);
|
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extern void dwc_otg_ep_free_desc_chain(dwc_otg_dma_desc_t* desc_addr, uint32_t dma_desc_addr, uint32_t count);
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/**
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* This function returns the Core Interrupt register.
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*/
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static inline uint32_t dwc_otg_read_core_intr(dwc_otg_core_if_t *_core_if)
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{
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return (dwc_read_reg32(&_core_if->core_global_regs->gintsts) &
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dwc_read_reg32(&_core_if->core_global_regs->gintmsk));
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}
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/**
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* This function returns the OTG Interrupt register.
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*/
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static inline uint32_t dwc_otg_read_otg_intr (dwc_otg_core_if_t *_core_if)
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{
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return (dwc_read_reg32 (&_core_if->core_global_regs->gotgint));
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}
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/**
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* This function reads the Device All Endpoints Interrupt register and
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* returns the IN endpoint interrupt bits.
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*/
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static inline uint32_t dwc_otg_read_dev_all_in_ep_intr(dwc_otg_core_if_t *core_if)
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{
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uint32_t v;
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if(core_if->multiproc_int_enable) {
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v = dwc_read_reg32(&core_if->dev_if->dev_global_regs->deachint) &
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dwc_read_reg32(&core_if->dev_if->dev_global_regs->deachintmsk);
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} else {
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v = dwc_read_reg32(&core_if->dev_if->dev_global_regs->daint) &
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dwc_read_reg32(&core_if->dev_if->dev_global_regs->daintmsk);
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}
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return (v & 0xffff);
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}
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/**
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* This function reads the Device All Endpoints Interrupt register and
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* returns the OUT endpoint interrupt bits.
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*/
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static inline uint32_t dwc_otg_read_dev_all_out_ep_intr(dwc_otg_core_if_t *core_if)
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{
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uint32_t v;
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if(core_if->multiproc_int_enable) {
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v = dwc_read_reg32(&core_if->dev_if->dev_global_regs->deachint) &
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dwc_read_reg32(&core_if->dev_if->dev_global_regs->deachintmsk);
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} else {
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v = dwc_read_reg32(&core_if->dev_if->dev_global_regs->daint) &
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dwc_read_reg32(&core_if->dev_if->dev_global_regs->daintmsk);
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}
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return ((v & 0xffff0000) >> 16);
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}
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/**
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* This function returns the Device IN EP Interrupt register
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*/
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static inline uint32_t dwc_otg_read_dev_in_ep_intr(dwc_otg_core_if_t *core_if,
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dwc_ep_t *ep)
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{
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dwc_otg_dev_if_t *dev_if = core_if->dev_if;
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uint32_t v, msk, emp;
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if(core_if->multiproc_int_enable) {
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msk = dwc_read_reg32(&dev_if->dev_global_regs->diepeachintmsk[ep->num]);
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emp = dwc_read_reg32(&dev_if->dev_global_regs->dtknqr4_fifoemptymsk);
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msk |= ((emp >> ep->num) & 0x1) << 7;
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v = dwc_read_reg32(&dev_if->in_ep_regs[ep->num]->diepint) & msk;
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} else {
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msk = dwc_read_reg32(&dev_if->dev_global_regs->diepmsk);
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emp = dwc_read_reg32(&dev_if->dev_global_regs->dtknqr4_fifoemptymsk);
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msk |= ((emp >> ep->num) & 0x1) << 7;
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v = dwc_read_reg32(&dev_if->in_ep_regs[ep->num]->diepint) & msk;
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}
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return v;
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}
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/**
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* This function returns the Device OUT EP Interrupt register
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*/
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static inline uint32_t dwc_otg_read_dev_out_ep_intr(dwc_otg_core_if_t *_core_if,
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dwc_ep_t *_ep)
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{
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dwc_otg_dev_if_t *dev_if = _core_if->dev_if;
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uint32_t v;
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doepmsk_data_t msk = { .d32 = 0 };
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if(_core_if->multiproc_int_enable) {
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msk.d32 = dwc_read_reg32(&dev_if->dev_global_regs->doepeachintmsk[_ep->num]);
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if(_core_if->pti_enh_enable) {
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msk.b.pktdrpsts = 1;
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}
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v = dwc_read_reg32( &dev_if->out_ep_regs[_ep->num]->doepint) & msk.d32;
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} else {
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msk.d32 = dwc_read_reg32(&dev_if->dev_global_regs->doepmsk);
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if(_core_if->pti_enh_enable) {
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msk.b.pktdrpsts = 1;
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}
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v = dwc_read_reg32( &dev_if->out_ep_regs[_ep->num]->doepint) & msk.d32;
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}
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return v;
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}
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/**
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* This function returns the Host All Channel Interrupt register
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*/
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static inline uint32_t dwc_otg_read_host_all_channels_intr (dwc_otg_core_if_t *_core_if)
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{
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return (dwc_read_reg32 (&_core_if->host_if->host_global_regs->haint));
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}
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static inline uint32_t dwc_otg_read_host_channel_intr (dwc_otg_core_if_t *_core_if, dwc_hc_t *_hc)
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{
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return (dwc_read_reg32 (&_core_if->host_if->hc_regs[_hc->hc_num]->hcint));
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}
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/**
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* This function returns the mode of the operation, host or device.
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*
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* @return 0 - Device Mode, 1 - Host Mode
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*/
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static inline uint32_t dwc_otg_mode(dwc_otg_core_if_t *_core_if)
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{
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return (dwc_read_reg32( &_core_if->core_global_regs->gintsts ) & 0x1);
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}
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static inline uint8_t dwc_otg_is_device_mode(dwc_otg_core_if_t *_core_if)
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{
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return (dwc_otg_mode(_core_if) != DWC_HOST_MODE);
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}
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static inline uint8_t dwc_otg_is_host_mode(dwc_otg_core_if_t *_core_if)
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{
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return (dwc_otg_mode(_core_if) == DWC_HOST_MODE);
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}
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extern int32_t dwc_otg_handle_common_intr( dwc_otg_core_if_t *_core_if );
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/**@}*/
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/**
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* DWC_otg CIL callback structure. This structure allows the HCD and
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* PCD to register functions used for starting and stopping the PCD
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* and HCD for role change on for a DRD.
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*/
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typedef struct dwc_otg_cil_callbacks
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{
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/** Start function for role change */
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int (*start) (void *_p);
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/** Stop Function for role change */
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int (*stop) (void *_p);
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/** Disconnect Function for role change */
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int (*disconnect) (void *_p);
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/** Resume/Remote wakeup Function */
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int (*resume_wakeup) (void *_p);
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/** Suspend function */
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int (*suspend) (void *_p);
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/** Session Start (SRP) */
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int (*session_start) (void *_p);
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/** Pointer passed to start() and stop() */
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void *p;
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} dwc_otg_cil_callbacks_t;
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extern void dwc_otg_cil_register_pcd_callbacks( dwc_otg_core_if_t *_core_if,
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dwc_otg_cil_callbacks_t *_cb,
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void *_p);
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extern void dwc_otg_cil_register_hcd_callbacks( dwc_otg_core_if_t *_core_if,
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dwc_otg_cil_callbacks_t *_cb,
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void *_p);
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#ifndef warn
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#define warn printk
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#endif
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#endif
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