268 lines
8.4 KiB
C
268 lines
8.4 KiB
C
/* $FreeBSD$ */
|
|
/*-
|
|
* Copyright (c) 1998 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Lennart Augustsson (lennart@augustsson.net) at
|
|
* Carlstedt Research & Technology.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
|
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
|
|
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef _OHCI_H_
|
|
#define _OHCI_H_
|
|
|
|
#define OHCI_MAX_DEVICES MIN(USB_MAX_DEVICES, 128)
|
|
|
|
#define OHCI_NO_INTRS 32
|
|
#define OHCI_HCCA_SIZE 256
|
|
|
|
/* Structures alignment (bytes) */
|
|
#define OHCI_HCCA_ALIGN 256
|
|
#define OHCI_ED_ALIGN 16
|
|
#define OHCI_TD_ALIGN 16
|
|
#define OHCI_ITD_ALIGN 32
|
|
|
|
#define OHCI_PAGE_SIZE 0x1000
|
|
#define OHCI_PAGE(x) ((x) &~ 0xfff)
|
|
#define OHCI_PAGE_OFFSET(x) ((x) & 0xfff)
|
|
#define OHCI_PAGE_MASK(x) ((x) & 0xfff)
|
|
|
|
#if ((USB_PAGE_SIZE < OHCI_ED_ALIGN) || (OHCI_ED_ALIGN == 0) || \
|
|
(USB_PAGE_SIZE < OHCI_TD_ALIGN) || (OHCI_TD_ALIGN == 0) || \
|
|
(USB_PAGE_SIZE < OHCI_ITD_ALIGN) || (OHCI_ITD_ALIGN == 0) || \
|
|
(USB_PAGE_SIZE < OHCI_PAGE_SIZE) || (OHCI_PAGE_SIZE == 0))
|
|
#error "Invalid USB page size!"
|
|
#endif
|
|
|
|
#define OHCI_VIRTUAL_FRAMELIST_COUNT 128/* dummy */
|
|
|
|
#if (OHCI_VIRTUAL_FRAMELIST_COUNT < USB_MAX_FS_ISOC_FRAMES_PER_XFER)
|
|
#error "maximum number of full-speed isochronous frames is higher than supported!"
|
|
#endif
|
|
|
|
struct ohci_hcca {
|
|
volatile uint32_t hcca_interrupt_table[OHCI_NO_INTRS];
|
|
volatile uint32_t hcca_frame_number;
|
|
volatile uint32_t hcca_done_head;
|
|
#define OHCI_DONE_INTRS 1
|
|
} __aligned(OHCI_HCCA_ALIGN);
|
|
|
|
typedef struct ohci_hcca ohci_hcca_t;
|
|
|
|
struct ohci_ed {
|
|
volatile uint32_t ed_flags;
|
|
#define OHCI_ED_GET_FA(s) ((s) & 0x7f)
|
|
#define OHCI_ED_ADDRMASK 0x0000007f
|
|
#define OHCI_ED_SET_FA(s) (s)
|
|
#define OHCI_ED_GET_EN(s) (((s) >> 7) & 0xf)
|
|
#define OHCI_ED_SET_EN(s) ((s) << 7)
|
|
#define OHCI_ED_DIR_MASK 0x00001800
|
|
#define OHCI_ED_DIR_TD 0x00000000
|
|
#define OHCI_ED_DIR_OUT 0x00000800
|
|
#define OHCI_ED_DIR_IN 0x00001000
|
|
#define OHCI_ED_SPEED 0x00002000
|
|
#define OHCI_ED_SKIP 0x00004000
|
|
#define OHCI_ED_FORMAT_GEN 0x00000000
|
|
#define OHCI_ED_FORMAT_ISO 0x00008000
|
|
#define OHCI_ED_GET_MAXP(s) (((s) >> 16) & 0x07ff)
|
|
#define OHCI_ED_SET_MAXP(s) ((s) << 16)
|
|
#define OHCI_ED_MAXPMASK (0x7ff << 16)
|
|
volatile uint32_t ed_tailp;
|
|
volatile uint32_t ed_headp;
|
|
#define OHCI_HALTED 0x00000001
|
|
#define OHCI_TOGGLECARRY 0x00000002
|
|
#define OHCI_HEADMASK 0xfffffffc
|
|
volatile uint32_t ed_next;
|
|
/*
|
|
* Extra information needed:
|
|
*/
|
|
struct ohci_ed *next;
|
|
struct ohci_ed *prev;
|
|
struct ohci_ed *obj_next;
|
|
struct usb_page_cache *page_cache;
|
|
uint32_t ed_self;
|
|
} __aligned(OHCI_ED_ALIGN);
|
|
|
|
typedef struct ohci_ed ohci_ed_t;
|
|
|
|
struct ohci_td {
|
|
volatile uint32_t td_flags;
|
|
#define OHCI_TD_R 0x00040000 /* Buffer Rounding */
|
|
#define OHCI_TD_DP_MASK 0x00180000 /* Direction / PID */
|
|
#define OHCI_TD_SETUP 0x00000000
|
|
#define OHCI_TD_OUT 0x00080000
|
|
#define OHCI_TD_IN 0x00100000
|
|
#define OHCI_TD_GET_DI(x) (((x) >> 21) & 7) /* Delay Interrupt */
|
|
#define OHCI_TD_SET_DI(x) ((x) << 21)
|
|
#define OHCI_TD_NOINTR 0x00e00000
|
|
#define OHCI_TD_INTR_MASK 0x00e00000
|
|
#define OHCI_TD_TOGGLE_CARRY 0x00000000
|
|
#define OHCI_TD_TOGGLE_0 0x02000000
|
|
#define OHCI_TD_TOGGLE_1 0x03000000
|
|
#define OHCI_TD_TOGGLE_MASK 0x03000000
|
|
#define OHCI_TD_GET_EC(x) (((x) >> 26) & 3) /* Error Count */
|
|
#define OHCI_TD_GET_CC(x) ((x) >> 28) /* Condition Code */
|
|
#define OHCI_TD_SET_CC(x) ((x) << 28)
|
|
#define OHCI_TD_NOCC 0xf0000000
|
|
volatile uint32_t td_cbp; /* Current Buffer Pointer */
|
|
volatile uint32_t td_next; /* Next TD */
|
|
#define OHCI_TD_NEXT_END 0
|
|
volatile uint32_t td_be; /* Buffer End */
|
|
/*
|
|
* Extra information needed:
|
|
*/
|
|
struct ohci_td *obj_next;
|
|
struct ohci_td *alt_next;
|
|
struct usb_page_cache *page_cache;
|
|
uint32_t td_self;
|
|
uint16_t len;
|
|
} __aligned(OHCI_TD_ALIGN);
|
|
|
|
typedef struct ohci_td ohci_td_t;
|
|
|
|
struct ohci_itd {
|
|
volatile uint32_t itd_flags;
|
|
#define OHCI_ITD_GET_SF(x) ((x) & 0x0000ffff)
|
|
#define OHCI_ITD_SET_SF(x) ((x) & 0xffff)
|
|
#define OHCI_ITD_GET_DI(x) (((x) >> 21) & 7) /* Delay Interrupt */
|
|
#define OHCI_ITD_SET_DI(x) ((x) << 21)
|
|
#define OHCI_ITD_NOINTR 0x00e00000
|
|
#define OHCI_ITD_GET_FC(x) ((((x) >> 24) & 7)+1) /* Frame Count */
|
|
#define OHCI_ITD_SET_FC(x) (((x)-1) << 24)
|
|
#define OHCI_ITD_GET_CC(x) ((x) >> 28) /* Condition Code */
|
|
#define OHCI_ITD_NOCC 0xf0000000
|
|
#define OHCI_ITD_NOFFSET 8
|
|
volatile uint32_t itd_bp0; /* Buffer Page 0 */
|
|
volatile uint32_t itd_next; /* Next ITD */
|
|
volatile uint32_t itd_be; /* Buffer End */
|
|
volatile uint16_t itd_offset[OHCI_ITD_NOFFSET]; /* Buffer offsets and
|
|
* Status */
|
|
#define OHCI_ITD_PAGE_SELECT 0x00001000
|
|
#define OHCI_ITD_MK_OFFS(len) (0xe000 | ((len) & 0x1fff))
|
|
#define OHCI_ITD_PSW_LENGTH(x) ((x) & 0xfff) /* Transfer length */
|
|
#define OHCI_ITD_PSW_GET_CC(x) ((x) >> 12) /* Condition Code */
|
|
/*
|
|
* Extra information needed:
|
|
*/
|
|
struct ohci_itd *obj_next;
|
|
struct usb_page_cache *page_cache;
|
|
uint32_t itd_self;
|
|
uint8_t frames;
|
|
} __aligned(OHCI_ITD_ALIGN);
|
|
|
|
typedef struct ohci_itd ohci_itd_t;
|
|
|
|
#define OHCI_CC_NO_ERROR 0
|
|
#define OHCI_CC_CRC 1
|
|
#define OHCI_CC_BIT_STUFFING 2
|
|
#define OHCI_CC_DATA_TOGGLE_MISMATCH 3
|
|
#define OHCI_CC_STALL 4
|
|
#define OHCI_CC_DEVICE_NOT_RESPONDING 5
|
|
#define OHCI_CC_PID_CHECK_FAILURE 6
|
|
#define OHCI_CC_UNEXPECTED_PID 7
|
|
#define OHCI_CC_DATA_OVERRUN 8
|
|
#define OHCI_CC_DATA_UNDERRUN 9
|
|
#define OHCI_CC_BUFFER_OVERRUN 12
|
|
#define OHCI_CC_BUFFER_UNDERRUN 13
|
|
#define OHCI_CC_NOT_ACCESSED 15
|
|
|
|
/* Some delay needed when changing certain registers. */
|
|
#define OHCI_ENABLE_POWER_DELAY 5
|
|
#define OHCI_READ_DESC_DELAY 5
|
|
|
|
#define OHCI_NO_EDS (2*OHCI_NO_INTRS)
|
|
|
|
struct ohci_hw_softc {
|
|
struct usb_page_cache hcca_pc;
|
|
struct usb_page_cache ctrl_start_pc;
|
|
struct usb_page_cache bulk_start_pc;
|
|
struct usb_page_cache isoc_start_pc;
|
|
struct usb_page_cache intr_start_pc[OHCI_NO_EDS];
|
|
|
|
struct usb_page hcca_pg;
|
|
struct usb_page ctrl_start_pg;
|
|
struct usb_page bulk_start_pg;
|
|
struct usb_page isoc_start_pg;
|
|
struct usb_page intr_start_pg[OHCI_NO_EDS];
|
|
};
|
|
|
|
struct ohci_config_desc {
|
|
struct usb_config_descriptor confd;
|
|
struct usb_interface_descriptor ifcd;
|
|
struct usb_endpoint_descriptor endpd;
|
|
} __packed;
|
|
|
|
union ohci_hub_desc {
|
|
struct usb_status stat;
|
|
struct usb_port_status ps;
|
|
struct usb_hub_descriptor hubd;
|
|
uint8_t temp[128];
|
|
};
|
|
|
|
typedef struct ohci_softc {
|
|
struct ohci_hw_softc sc_hw;
|
|
struct usb_bus sc_bus; /* base device */
|
|
struct usb_callout sc_tmo_rhsc;
|
|
union ohci_hub_desc sc_hub_desc;
|
|
|
|
struct usb_device *sc_devices[OHCI_MAX_DEVICES];
|
|
struct resource *sc_io_res;
|
|
struct resource *sc_irq_res;
|
|
struct ohci_hcca *sc_hcca_p;
|
|
struct ohci_ed *sc_ctrl_p_last;
|
|
struct ohci_ed *sc_bulk_p_last;
|
|
struct ohci_ed *sc_isoc_p_last;
|
|
struct ohci_ed *sc_intr_p_last[OHCI_NO_EDS];
|
|
void *sc_intr_hdl;
|
|
device_t sc_dev;
|
|
bus_size_t sc_io_size;
|
|
bus_space_tag_t sc_io_tag;
|
|
bus_space_handle_t sc_io_hdl;
|
|
|
|
uint32_t sc_eintrs; /* enabled interrupts */
|
|
uint32_t sc_control; /* Preserved during suspend/standby */
|
|
uint32_t sc_intre;
|
|
|
|
uint16_t sc_intr_stat[OHCI_NO_EDS];
|
|
uint16_t sc_id_vendor;
|
|
|
|
uint8_t sc_noport;
|
|
uint8_t sc_addr; /* device address */
|
|
uint8_t sc_conf; /* device configuration */
|
|
uint8_t sc_hub_idata[32];
|
|
|
|
char sc_vendor[16];
|
|
|
|
} ohci_softc_t;
|
|
|
|
usb_bus_mem_cb_t ohci_iterate_hw_softc;
|
|
|
|
usb_error_t ohci_init(ohci_softc_t *sc);
|
|
void ohci_detach(struct ohci_softc *sc);
|
|
void ohci_suspend(ohci_softc_t *sc);
|
|
void ohci_resume(ohci_softc_t *sc);
|
|
void ohci_interrupt(ohci_softc_t *sc);
|
|
|
|
#endif /* _OHCI_H_ */
|