280 lines
14 KiB
C
280 lines
14 KiB
C
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/**************************************************************************//**
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* @file ehci.h
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* @version V1.00
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* @brief USB EHCI host controller driver header file.
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* @note
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* SPDX-License-Identifier: Apache-2.0
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* Copyright (C) 2017 Nuvoton Technology Corp. All rights reserved.
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*****************************************************************************/
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#ifndef _USBH_EHCI_H_
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#define _USBH_EHCI_H_
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/// @cond HIDDEN_SYMBOLS
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struct utr_t;
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struct udev_t;
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struct qh_t;
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struct iso_ep_t;
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struct ep_info_t;
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/*----------------------------------------------------------------------------------------*/
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/* Periodic Frame List Size (256, 512, or 1024) */
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/*----------------------------------------------------------------------------------------*/
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#define FL_SIZE 1024 /* frame list size can be 256, 512, or 1024 */
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#define NUM_IQH 11 /* depends on FL_SIZE, 256:9, 512:10, 1024:11 */
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/*----------------------------------------------------------------------------------------*/
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/* Interrupt Threshold Control (1, 2, 4, 6, .. 64) */
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/*----------------------------------------------------------------------------------------*/
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#define UCMDR_INT_THR_CTRL (0x1<<HSUSBH_UCMDR_ITC_Pos) /* 1 micro-frames */
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/*----------------------------------------------------------------------------------------*/
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/* Queue Element Transfer Descriptor (qTD) */
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/*----------------------------------------------------------------------------------------*/
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typedef struct qTD_t
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{
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uint32_t Next_qTD; /* Next qTD Pointer */
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uint32_t Alt_Next_qTD; /* Alternate Next qTD Pointer */
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uint32_t Token; /* qTD Token */
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uint32_t Bptr[5]; /* qTD Buffer Page Pointer List */
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/*
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* The following members are used by USB Host libary.
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*/
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struct utr_t *utr; /* associated UTR */
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uint32_t xfer_len; /* assigned transfer transfer length */
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struct qh_t *qh; /* The QH that this qTD belong to. */
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struct qTD_t *next; /* link for <qtd_list> of QH */
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} qTD_T;
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#define QTD_LIST_END 0x1 /* Indicate the terminate of qTD list. */
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#define QTD_PTR(x) ((qTD_T *)((uint32_t)(x) & ~0x1F))
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/*
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* Status: qTD Token[7:0]
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*/
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#define QTD_STS_PS_OUT (0<<0) /* directs the HC to issue an OUT PID */
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#define QTD_STS_PS_PING (1<<0) /* directs the HC to issue an PING PID */
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#define QTD_STS_SPLIT_STRAT (0<<1) /* directs the HC to issue an Start split */
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#define QTD_STS_SPLIT_COMPLETE (1<<1) /* directs the HC to issue an Complete split */
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#define QTD_STS_MISS_MF (1<<2) /* miss a required complete-split transaction */
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#define QTD_STS_XactErr (1<<3) /* Transaction Error occurred */
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#define QTD_STS_BABBLE (1<<4) /* Babble Detected */
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#define QTD_STS_DATA_BUFF_ERR (1<<5) /* Data Buffer Error */
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#define QTD_STS_HALT (1<<6) /* Halted */
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#define QTD_STS_ACTIVE (1<<7) /* Active */
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/*
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* PID: qTD Token[9:8]
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*/
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#define QTD_PID_Msk (0x3<<8)
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#define QTD_PID_OUT (0<<8) /* generates token (E1H) */
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#define QTD_PID_IN (1<<8) /* generates token (69H) */
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#define QTD_PID_SETUP (2<<8) /* generates token (2DH) */
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#define QTD_ERR_COUNTER (3<<10) /* Token[11:10] */
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#define QTD_IOC (1<<15) /* Token[15] - Interrupt On Complete */
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#define QTD_TODO_LEN_Pos 16 /* Token[31:16] - Total Bytes to Transfer */
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#define QTD_TODO_LEN(x) (((x)>>16) & 0x7FFF)
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#define QTD_DT (1UL<<31) /* Token[31] - Data Toggle */
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/*----------------------------------------------------------------------------------------*/
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/* Queue Head (QH) */
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/*----------------------------------------------------------------------------------------*/
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typedef struct qh_t
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{
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/* OHCI spec. Endpoint descriptor */
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uint32_t HLink; /* Queue Head Horizontal Link Pointer */
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uint32_t Chrst; /* Endpoint Characteristics: QH DWord 1 */
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uint32_t Cap; /* Endpoint Capabilities: QH DWord 2 */
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uint32_t Curr_qTD; /* Current qTD Pointer */
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/*
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* The followings are qTD Transfer Overlay
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*/
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uint32_t OL_Next_qTD; /* Next qTD Pointer */
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uint32_t OL_Alt_Next_qTD; /* Alternate Next qTD Pointer */
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uint32_t OL_Token; /* qTD Token */
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uint32_t OL_Bptr[5]; /* qTD Buffer Page Pointer List */
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/*
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* The following members are used by USB Host libary.
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*/
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qTD_T *qtd_list; /* currently linked qTD transfers */
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qTD_T *done_list; /* currently linked qTD transfers */
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struct qh_t *next; /* point to the next QH in remove list */
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} QH_T;
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/* HLink[0] T field of "Queue Head Horizontal Link Pointer" */
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#define QH_HLNK_END 0x1
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/*
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* HLink[2:1] Typ field of "Queue Head Horizontal Link Pointer"
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*/
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#define QH_HLNK_ITD(x) (((uint32_t)(x) & ~0x1F) | 0x0)
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#define QH_HLNK_QH(x) (((uint32_t)(x) & ~0x1F) | 0x2)
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#define QH_HLNK_SITD(x) (((uint32_t)(x) & ~0x1F) | 0x4)
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#define QH_HLNK_FSTN(x) (((uint32_t)(x) & ~0x1F) | 0x6)
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#define QH_PTR(x) ((QH_T *)((uint32_t)(x) & ~0x1F))
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/*
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* Bit fields of "Endpoint Characteristics"
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*/
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#define QH_NAK_RL (4L<<28) /* Chrst[31:28] - NAK Count Reload */
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#define QH_CTRL_EP_FLAG (1<<27) /* Chrst[27] - Control Endpoint Flag */
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#define QH_RCLM_LIST_HEAD (1<<15) /* Chrst[15] - Head of Reclamation List Flag */
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#define QH_DTC (1<<14) /* Chrst[14] - Data Toggle Control */
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#define QH_EPS_FULL (0<<12) /* Chrst[13:12] - Endpoint Speed (Full) */
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#define QH_EPS_LOW (1<<12) /* Chrst[13:12] - Endpoint Speed (Low) */
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#define QH_EPS_HIGH (2<<12) /* Chrst[13:12] - Endpoint Speed (High) */
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#define QH_I_NEXT (1<<7) /* Chrst[7] - Inactivate on Next Transaction */
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/*
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* Bit fields of "Endpoint Capabilities"
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*/
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#define QH_MULT_Pos 30 /* Cap[31:30] - High-Bandwidth Pipe Multiplier */
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#define QH_HUB_PORT_Pos 23 /* Cap[29:23] - Hub Port Number */
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#define QH_HUB_ADDR_Pos 16 /* Cap[22:16] - Hub Addr */
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#define QH_C_MASK_Msk 0xFF00 /* Cap[15:8] - uFrame C-mask */
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#define QH_S_MASK_Msk 0x00FF /* Cap[7:0] - uFrame S-mask */
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/*----------------------------------------------------------------------------------------*/
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/* Isochronous (High-Speed) Transfer Descriptor (iTD) */
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/*----------------------------------------------------------------------------------------*/
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typedef struct itd_t
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{
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uint32_t Next_Link; /* Next Link Pointer */
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uint32_t Transaction[8]; /* Transaction Status and Control */
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uint32_t Bptr[7]; /* Buffer Page Pointer List */
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/*
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* The following members are used by USB Host libary.
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*/
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struct iso_ep_t *iso_ep; /* associated isochronous information block */
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struct utr_t *utr; /* associated UTR */
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uint32_t buff_base; /* buffer base address */
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uint8_t fidx; /* iTD's first index to UTR iso frames */
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uint8_t trans_mask; /* mask of activated transactions in iTD */
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uint32_t sched_frnidx; /* scheduled frame index */
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struct itd_t *next; /* used by software to maintain iTD list */
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} iTD_T;
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/*
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* Next_Link[2:1] Typ field of "Next Schedule Element Pointer" Typ field
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*/
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#define ITD_HLNK_ITD(x) (((uint32_t)(x) & ~0x1F) | 0x0)
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#define ITD_HLNK_QH(x) (((uint32_t)(x) & ~0x1F) | 0x2)
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#define ITD_HLNK_SITD(x) (((uint32_t)(x) & ~0x1F) | 0x4)
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#define ITD_HLNK_FSTN(x) (((uint32_t)(x) & ~0x1F) | 0x6)
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#define ITD_PTR(x) ((iTD_T *)((uint32_t)(x) & ~0x1F))
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/*
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* Transaction[8]
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*/
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#define ITD_STATUS(x) (((x)>>28)&0xF)
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#define ITD_STATUS_ACTIVE (0x80000000UL) /* Active */
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#define ITD_STATUS_BUFF_ERR (0x40000000UL) /* Data Buffer Error */
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#define ITD_STATUS_BABBLE (0x20000000UL) /* Babble Detected */
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#define ITD_STATUS_XACT_ERR (0x10000000UL) /* Transcation Error */
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#define ITD_XLEN_Pos 16
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#define ITD_XFER_LEN(x) (((x)>>16)&0xFFF)
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#define ITD_IOC (1<<15)
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#define ITD_PG_Pos 12
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#define ITD_XFER_OFF_Msk 0xFFF
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/*
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* Bptr[7]
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*/
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#define ITD_BUFF_PAGE_Pos 12
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/* Bptr[0] */
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#define ITD_EP_NUM_Pos 8
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#define ITD_EP_NUM(itd) (((itd)->Bptr[0]>>8)&0xF)
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#define ITD_DEV_ADDR_Pos 0
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#define ITD_DEV_ADDR(itd) ((itd)->Bptr[0]&0x7F)
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/* Bptr[1] */
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#define ITD_DIR_IN (1<<11)
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#define ITD_DIR_OUT (0<<11)
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#define ITD_MAX_PKTSZ_Pos 0
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#define ITD_MAX_PKTSZ(itd) ((itd)->Bptr[1]&0x7FF)
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/*----------------------------------------------------------------------------------------*/
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/* Split Isochronous (Full-Speed) Transfer Descriptor (siTD) */
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/*----------------------------------------------------------------------------------------*/
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typedef struct sitd_t
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{
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uint32_t Next_Link; /* Next Link Pointer */
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uint32_t Chrst; /* Endpoint and Transaction Translator Characteristics */
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uint32_t Sched; /* Micro-frame Schedule Control */
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uint32_t StsCtrl; /* siTD Transfer Status and Control */
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uint32_t Bptr[2]; /* Buffer Page Pointer List */
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uint32_t BackLink; /* siTD Back Link Pointer */
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/*
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* The following members are used by USB Host libary.
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*/
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struct iso_ep_t *iso_ep; /* associated isochronous information block */
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struct utr_t *utr; /* associated UTR */
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uint8_t fidx; /* iTD's first index to UTR iso frames */
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uint32_t sched_frnidx; /* scheduled frame index */
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struct sitd_t *next; /* used by software to maintain siTD list */
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} siTD_T;
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#define SITD_LIST_END 0x1 /* Indicate the terminate of siTD list. */
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#define SITD_XFER_IO_Msk (1UL<<31)
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#define SITD_XFER_IN (1UL<<31)
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#define SITD_XFER_OUT (0UL<<31)
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#define SITD_PORT_NUM_Pos 24
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#define SITD_HUB_ADDR_Pos 16
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#define SITD_EP_NUM_Pos 8
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#define SITD_DEV_ADDR_Pos 0
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#define SITD_IOC (1UL<<31)
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#define SITD_XFER_CNT_Pos 16
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#define SITD_XFER_CNT_Msk (0x3FF<<SITD_XFER_CNT_Pos)
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#define SITD_STATUS(x) ((x)&0xFC)
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#define SITD_STATUS_ACTIVE 0x80
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#define SITD_STATUS_ERR 0x40
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#define SITD_STATUS_BUFF_ERR 0x20
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#define SITD_BABBLE_DETECTED 0x10
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#define SITD_STATUS_XFER_ERR 0x08
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#define SITD_STATUS_MISSED_MF 0x04
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#define SITD_STATUS_ERROR_MASK 0x78
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/*
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* Next_Link[2:1] Typ field of "Next Schedule Element Pointer" Typ field
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*/
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#define SITD_HLNK_ITD(x) (((uint32_t)(x) & ~0x1F) | 0x0)
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#define SITD_HLNK_QH(x) (((uint32_t)(x) & ~0x1F) | 0x2)
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#define SITD_HLNK_SITD(x) (((uint32_t)(x) & ~0x1F) | 0x4)
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#define SITD_HLNK_FSTN(x) (((uint32_t)(x) & ~0x1F) | 0x6)
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#define SITD_PTR(x) ((siTD_T *)((uint32_t)(x) & ~0x1F))
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#define HLINK_IS_TERMINATED(x) (((uint32_t)(x) & 0x1) ? 1 : 0)
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#define HLINK_IS_SITD(x) ((((uint32_t)(x) & 0x6) == 0x4) ? 1 : 0)
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/*----------------------------------------------------------------------------------------*/
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/* Isochronous endpoint transfer information block. (Software only) */
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/*----------------------------------------------------------------------------------------*/
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typedef struct iso_ep_t
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{
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struct ep_info_t *ep;
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uint32_t next_frame; /* frame number of next scheduling */
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iTD_T *itd_list; /* Reference to a list of installed iTDs */
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iTD_T *itd_done_list; /* Reference to a list of completed iTDs */
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siTD_T *sitd_list; /* Reference to a list of installed siTDs */
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siTD_T *sitd_done_list; /* Reference to a list of completed siTDs */
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struct iso_ep_t *next; /* used by software to maintain ISO EP list */
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} ISO_EP_T;
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extern void scan_isochronous_list(void);
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/// @endcond
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#endif /* _USBH_EHCI_H_ */
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