1def609a63
all host controllers at the same time, we avoid problems where the BIOS will actually write to the USB registers of all the USB host controllers every time we handover one of them, and consequently reset the OS programmed values. Submitted by: avg Reviewed by: jhb
275 lines
8.9 KiB
C
275 lines
8.9 KiB
C
/* $FreeBSD$ */
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/*-
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* Copyright (c) 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Lennart Augustsson (lennart@augustsson.net) at
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* Carlstedt Research & Technology.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _OHCI_H_
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#define _OHCI_H_
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#define OHCI_MAX_DEVICES MIN(USB_MAX_DEVICES, 128)
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#define OHCI_NO_INTRS 32
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#define OHCI_HCCA_SIZE 256
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/* Structures alignment (bytes) */
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#define OHCI_HCCA_ALIGN 256
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#define OHCI_ED_ALIGN 16
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#define OHCI_TD_ALIGN 16
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#define OHCI_ITD_ALIGN 32
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#define OHCI_PAGE_SIZE 0x1000
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#define OHCI_PAGE(x) ((x) &~ 0xfff)
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#define OHCI_PAGE_OFFSET(x) ((x) & 0xfff)
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#define OHCI_PAGE_MASK(x) ((x) & 0xfff)
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#if ((USB_PAGE_SIZE < OHCI_ED_ALIGN) || (OHCI_ED_ALIGN == 0) || \
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(USB_PAGE_SIZE < OHCI_TD_ALIGN) || (OHCI_TD_ALIGN == 0) || \
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(USB_PAGE_SIZE < OHCI_ITD_ALIGN) || (OHCI_ITD_ALIGN == 0) || \
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(USB_PAGE_SIZE < OHCI_PAGE_SIZE) || (OHCI_PAGE_SIZE == 0))
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#error "Invalid USB page size!"
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#endif
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#define OHCI_VIRTUAL_FRAMELIST_COUNT 128/* dummy */
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#if (OHCI_VIRTUAL_FRAMELIST_COUNT < USB_MAX_FS_ISOC_FRAMES_PER_XFER)
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#error "maximum number of full-speed isochronous frames is higher than supported!"
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#endif
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struct ohci_hcca {
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volatile uint32_t hcca_interrupt_table[OHCI_NO_INTRS];
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volatile uint32_t hcca_frame_number;
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volatile uint32_t hcca_done_head;
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#define OHCI_DONE_INTRS 1
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} __aligned(OHCI_HCCA_ALIGN);
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typedef struct ohci_hcca ohci_hcca_t;
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struct ohci_ed {
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volatile uint32_t ed_flags;
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#define OHCI_ED_GET_FA(s) ((s) & 0x7f)
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#define OHCI_ED_ADDRMASK 0x0000007f
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#define OHCI_ED_SET_FA(s) (s)
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#define OHCI_ED_GET_EN(s) (((s) >> 7) & 0xf)
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#define OHCI_ED_SET_EN(s) ((s) << 7)
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#define OHCI_ED_DIR_MASK 0x00001800
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#define OHCI_ED_DIR_TD 0x00000000
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#define OHCI_ED_DIR_OUT 0x00000800
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#define OHCI_ED_DIR_IN 0x00001000
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#define OHCI_ED_SPEED 0x00002000
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#define OHCI_ED_SKIP 0x00004000
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#define OHCI_ED_FORMAT_GEN 0x00000000
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#define OHCI_ED_FORMAT_ISO 0x00008000
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#define OHCI_ED_GET_MAXP(s) (((s) >> 16) & 0x07ff)
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#define OHCI_ED_SET_MAXP(s) ((s) << 16)
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#define OHCI_ED_MAXPMASK (0x7ff << 16)
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volatile uint32_t ed_tailp;
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volatile uint32_t ed_headp;
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#define OHCI_HALTED 0x00000001
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#define OHCI_TOGGLECARRY 0x00000002
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#define OHCI_HEADMASK 0xfffffffc
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volatile uint32_t ed_next;
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/*
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* Extra information needed:
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*/
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struct ohci_ed *next;
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struct ohci_ed *prev;
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struct ohci_ed *obj_next;
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struct usb_page_cache *page_cache;
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uint32_t ed_self;
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} __aligned(OHCI_ED_ALIGN);
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typedef struct ohci_ed ohci_ed_t;
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struct ohci_td {
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volatile uint32_t td_flags;
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#define OHCI_TD_R 0x00040000 /* Buffer Rounding */
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#define OHCI_TD_DP_MASK 0x00180000 /* Direction / PID */
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#define OHCI_TD_SETUP 0x00000000
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#define OHCI_TD_OUT 0x00080000
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#define OHCI_TD_IN 0x00100000
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#define OHCI_TD_GET_DI(x) (((x) >> 21) & 7) /* Delay Interrupt */
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#define OHCI_TD_SET_DI(x) ((x) << 21)
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#define OHCI_TD_NOINTR 0x00e00000
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#define OHCI_TD_INTR_MASK 0x00e00000
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#define OHCI_TD_TOGGLE_CARRY 0x00000000
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#define OHCI_TD_TOGGLE_0 0x02000000
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#define OHCI_TD_TOGGLE_1 0x03000000
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#define OHCI_TD_TOGGLE_MASK 0x03000000
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#define OHCI_TD_GET_EC(x) (((x) >> 26) & 3) /* Error Count */
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#define OHCI_TD_GET_CC(x) ((x) >> 28) /* Condition Code */
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#define OHCI_TD_SET_CC(x) ((x) << 28)
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#define OHCI_TD_NOCC 0xf0000000
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volatile uint32_t td_cbp; /* Current Buffer Pointer */
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volatile uint32_t td_next; /* Next TD */
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#define OHCI_TD_NEXT_END 0
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volatile uint32_t td_be; /* Buffer End */
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/*
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* Extra information needed:
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*/
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struct ohci_td *obj_next;
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struct ohci_td *alt_next;
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struct usb_page_cache *page_cache;
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uint32_t td_self;
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uint16_t len;
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} __aligned(OHCI_TD_ALIGN);
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typedef struct ohci_td ohci_td_t;
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struct ohci_itd {
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volatile uint32_t itd_flags;
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#define OHCI_ITD_GET_SF(x) ((x) & 0x0000ffff)
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#define OHCI_ITD_SET_SF(x) ((x) & 0xffff)
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#define OHCI_ITD_GET_DI(x) (((x) >> 21) & 7) /* Delay Interrupt */
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#define OHCI_ITD_SET_DI(x) ((x) << 21)
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#define OHCI_ITD_NOINTR 0x00e00000
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#define OHCI_ITD_GET_FC(x) ((((x) >> 24) & 7)+1) /* Frame Count */
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#define OHCI_ITD_SET_FC(x) (((x)-1) << 24)
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#define OHCI_ITD_GET_CC(x) ((x) >> 28) /* Condition Code */
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#define OHCI_ITD_NOCC 0xf0000000
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#define OHCI_ITD_NOFFSET 8
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volatile uint32_t itd_bp0; /* Buffer Page 0 */
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volatile uint32_t itd_next; /* Next ITD */
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volatile uint32_t itd_be; /* Buffer End */
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volatile uint16_t itd_offset[OHCI_ITD_NOFFSET]; /* Buffer offsets and
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* Status */
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#define OHCI_ITD_PAGE_SELECT 0x00001000
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#define OHCI_ITD_MK_OFFS(len) (0xe000 | ((len) & 0x1fff))
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#define OHCI_ITD_PSW_LENGTH(x) ((x) & 0xfff) /* Transfer length */
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#define OHCI_ITD_PSW_GET_CC(x) ((x) >> 12) /* Condition Code */
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/*
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* Extra information needed:
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*/
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struct ohci_itd *obj_next;
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struct usb_page_cache *page_cache;
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uint32_t itd_self;
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uint8_t frames;
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} __aligned(OHCI_ITD_ALIGN);
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typedef struct ohci_itd ohci_itd_t;
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#define OHCI_CC_NO_ERROR 0
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#define OHCI_CC_CRC 1
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#define OHCI_CC_BIT_STUFFING 2
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#define OHCI_CC_DATA_TOGGLE_MISMATCH 3
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#define OHCI_CC_STALL 4
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#define OHCI_CC_DEVICE_NOT_RESPONDING 5
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#define OHCI_CC_PID_CHECK_FAILURE 6
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#define OHCI_CC_UNEXPECTED_PID 7
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#define OHCI_CC_DATA_OVERRUN 8
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#define OHCI_CC_DATA_UNDERRUN 9
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#define OHCI_CC_BUFFER_OVERRUN 12
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#define OHCI_CC_BUFFER_UNDERRUN 13
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#define OHCI_CC_NOT_ACCESSED 15
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/* Some delay needed when changing certain registers. */
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#define OHCI_ENABLE_POWER_DELAY 5
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#define OHCI_READ_DESC_DELAY 5
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#define OHCI_NO_EDS (2*OHCI_NO_INTRS)
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struct ohci_hw_softc {
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struct usb_page_cache hcca_pc;
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struct usb_page_cache ctrl_start_pc;
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struct usb_page_cache bulk_start_pc;
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struct usb_page_cache isoc_start_pc;
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struct usb_page_cache intr_start_pc[OHCI_NO_EDS];
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struct usb_page hcca_pg;
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struct usb_page ctrl_start_pg;
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struct usb_page bulk_start_pg;
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struct usb_page isoc_start_pg;
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struct usb_page intr_start_pg[OHCI_NO_EDS];
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};
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struct ohci_config_desc {
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struct usb_config_descriptor confd;
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struct usb_interface_descriptor ifcd;
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struct usb_endpoint_descriptor endpd;
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} __packed;
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union ohci_hub_desc {
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struct usb_status stat;
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struct usb_port_status ps;
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struct usb_hub_descriptor hubd;
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uint8_t temp[128];
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};
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typedef struct ohci_softc {
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struct ohci_hw_softc sc_hw;
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struct usb_bus sc_bus; /* base device */
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struct usb_callout sc_tmo_rhsc;
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union ohci_hub_desc sc_hub_desc;
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struct usb_device *sc_devices[OHCI_MAX_DEVICES];
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struct resource *sc_io_res;
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struct resource *sc_irq_res;
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struct ohci_hcca *sc_hcca_p;
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struct ohci_ed *sc_ctrl_p_last;
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struct ohci_ed *sc_bulk_p_last;
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struct ohci_ed *sc_isoc_p_last;
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struct ohci_ed *sc_intr_p_last[OHCI_NO_EDS];
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void *sc_intr_hdl;
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device_t sc_dev;
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bus_size_t sc_io_size;
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bus_space_tag_t sc_io_tag;
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bus_space_handle_t sc_io_hdl;
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uint32_t sc_eintrs; /* enabled interrupts */
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uint32_t sc_control; /* Preserved during suspend/standby */
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uint32_t sc_intre;
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uint16_t sc_intr_stat[OHCI_NO_EDS];
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uint16_t sc_id_vendor;
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uint8_t sc_noport;
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uint8_t sc_addr; /* device address */
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uint8_t sc_conf; /* device configuration */
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uint8_t sc_hub_idata[32];
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char sc_vendor[16];
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} ohci_softc_t;
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usb_bus_mem_cb_t ohci_iterate_hw_softc;
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usb_error_t ohci_init(ohci_softc_t *sc);
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void ohci_detach(struct ohci_softc *sc);
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void ohci_suspend(ohci_softc_t *sc);
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void ohci_resume(ohci_softc_t *sc);
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void ohci_interrupt(ohci_softc_t *sc);
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#endif /* _OHCI_H_ */
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