diff options
Diffstat (limited to 'sys/dev/usb/controller/ohci.h')
| -rw-r--r-- | sys/dev/usb/controller/ohci.h | 264 |
1 files changed, 264 insertions, 0 deletions
diff --git a/sys/dev/usb/controller/ohci.h b/sys/dev/usb/controller/ohci.h new file mode 100644 index 000000000000..e8f7ae39ba8d --- /dev/null +++ b/sys/dev/usb/controller/ohci.h @@ -0,0 +1,264 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * 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 */ + + 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_interrupt(ohci_softc_t *sc); + +#endif /* _OHCI_H_ */ |