286 lines
8.9 KiB
C
286 lines
8.9 KiB
C
/* $FreeBSD$ */
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/*-
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* Copyright (c) 2009 Hans Petter Selasky. All rights reserved.
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* 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 DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER 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
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* SUCH DAMAGE.
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*/
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/*
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* USB Device Port register definitions, copied from ATMEGA documentation
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* provided by ATMEL.
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*/
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#ifndef _ATMEGADCI_H_
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#define _ATMEGADCI_H_
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#define ATMEGA_MAX_DEVICES (USB_MIN_DEVICES + 1)
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#define ATMEGA_OTGTCON 0xF9
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#define ATMEGA_OTGTCON_VALUE(x) ((x) << 0)
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#define ATMEGA_OTGTCON_PAGE(x) ((x) << 5)
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#define ATMEGA_UEINT 0xF4
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#define ATMEGA_UEINT_MASK(n) (1 << (n)) /* endpoint interrupt mask */
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#define ATMEGA_UEBCHX 0xF3 /* FIFO byte count high */
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#define ATMEGA_UEBCLX 0xF2 /* FIFO byte count low */
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#define ATMEGA_UEDATX 0xF1 /* FIFO data */
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#define ATMEGA_UEIENX 0xF0 /* interrupt enable register */
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#define ATMEGA_UEIENX_TXINE (1 << 0)
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#define ATMEGA_UEIENX_STALLEDE (1 << 1)
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#define ATMEGA_UEIENX_RXOUTE (1 << 2)
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#define ATMEGA_UEIENX_RXSTPE (1 << 3) /* received SETUP packet */
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#define ATMEGA_UEIENX_NAKOUTE (1 << 4)
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#define ATMEGA_UEIENX_NAKINE (1 << 6)
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#define ATMEGA_UEIENX_FLERRE (1 << 7)
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#define ATMEGA_UESTA1X 0xEF
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#define ATMEGA_UESTA1X_CURRBK (3 << 0) /* current bank */
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#define ATMEGA_UESTA1X_CTRLDIR (1 << 2) /* control endpoint direction */
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#define ATMEGA_UESTA0X 0xEE
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#define ATMEGA_UESTA0X_NBUSYBK (3 << 0)
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#define ATMEGA_UESTA0X_DTSEQ (3 << 2)
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#define ATMEGA_UESTA0X_UNDERFI (1 << 5) /* underflow */
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#define ATMEGA_UESTA0X_OVERFI (1 << 6) /* overflow */
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#define ATMEGA_UESTA0X_CFGOK (1 << 7)
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#define ATMEGA_UECFG1X 0xED /* endpoint config register */
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#define ATMEGA_UECFG1X_ALLOC (1 << 1)
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#define ATMEGA_UECFG1X_EPBK0 (0 << 2)
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#define ATMEGA_UECFG1X_EPBK1 (1 << 2)
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#define ATMEGA_UECFG1X_EPBK2 (2 << 2)
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#define ATMEGA_UECFG1X_EPBK3 (3 << 2)
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#define ATMEGA_UECFG1X_EPSIZE(n) ((n) << 4)
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#define ATMEGA_UECFG0X 0xEC
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#define ATMEGA_UECFG0X_EPDIR (1 << 0) /* endpoint direction */
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#define ATMEGA_UECFG0X_EPTYPE0 (0 << 6)
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#define ATMEGA_UECFG0X_EPTYPE1 (1 << 6)
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#define ATMEGA_UECFG0X_EPTYPE2 (2 << 6)
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#define ATMEGA_UECFG0X_EPTYPE3 (3 << 6)
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#define ATMEGA_UECONX 0xEB
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#define ATMEGA_UECONX_EPEN (1 << 0)
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#define ATMEGA_UECONX_RSTDT (1 << 3)
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#define ATMEGA_UECONX_STALLRQC (1 << 4) /* stall request clear */
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#define ATMEGA_UECONX_STALLRQ (1 << 5) /* stall request set */
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#define ATMEGA_UERST 0xEA /* endpoint reset register */
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#define ATMEGA_UERST_MASK(n) (1 << (n))
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#define ATMEGA_UENUM 0xE9 /* endpoint number */
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#define ATMEGA_UEINTX 0xE8 /* interrupt register */
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#define ATMEGA_UEINTX_TXINI (1 << 0)
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#define ATMEGA_UEINTX_STALLEDI (1 << 1)
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#define ATMEGA_UEINTX_RXOUTI (1 << 2)
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#define ATMEGA_UEINTX_RXSTPI (1 << 3) /* received setup packet */
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#define ATMEGA_UEINTX_NAKOUTI (1 << 4)
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#define ATMEGA_UEINTX_RWAL (1 << 5)
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#define ATMEGA_UEINTX_NAKINI (1 << 6)
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#define ATMEGA_UEINTX_FIFOCON (1 << 7)
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#define ATMEGA_UDMFN 0xE6
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#define ATMEGA_UDMFN_FNCERR (1 << 4)
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#define ATMEGA_UDFNUMH 0xE5 /* frame number high */
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#define ATMEGA_UDFNUMH_MASK 7
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#define ATMEGA_UDFNUML 0xE4 /* frame number low */
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#define ATMEGA_UDFNUML_MASK 0xFF
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#define ATMEGA_FRAME_MASK 0x7FF
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#define ATMEGA_UDADDR 0xE3 /* USB address */
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#define ATMEGA_UDADDR_MASK 0x7F
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#define ATMEGA_UDADDR_ADDEN (1 << 7)
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#define ATMEGA_UDIEN 0xE2 /* USB device interrupt enable */
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#define ATMEGA_UDINT_SUSPE (1 << 0)
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#define ATMEGA_UDINT_MSOFE (1 << 1)
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#define ATMEGA_UDINT_SOFE (1 << 2)
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#define ATMEGA_UDINT_EORSTE (1 << 3)
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#define ATMEGA_UDINT_WAKEUPE (1 << 4)
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#define ATMEGA_UDINT_EORSME (1 << 5)
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#define ATMEGA_UDINT_UPRSME (1 << 6)
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#define ATMEGA_UDINT 0xE1 /* USB device interrupt status */
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#define ATMEGA_UDINT_SUSPI (1 << 0)
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#define ATMEGA_UDINT_MSOFI (1 << 1)
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#define ATMEGA_UDINT_SOFI (1 << 2)
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#define ATMEGA_UDINT_EORSTI (1 << 3)
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#define ATMEGA_UDINT_WAKEUPI (1 << 4)
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#define ATMEGA_UDINT_EORSMI (1 << 5)
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#define ATMEGA_UDINT_UPRSMI (1 << 6)
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#define ATMEGA_UDCON 0xE0 /* USB device connection register */
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#define ATMEGA_UDCON_DETACH (1 << 0)
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#define ATMEGA_UDCON_RMWKUP (1 << 1)
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#define ATMEGA_UDCON_LSM (1 << 2)
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#define ATMEGA_UDCON_RSTCPU (1 << 3)
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#define ATMEGA_OTGINT 0xDF
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#define ATMEGA_OTGCON 0xDD
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#define ATMEGA_OTGCON_VBUSRQC (1 << 0)
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#define ATMEGA_OTGCON_VBUSREQ (1 << 1)
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#define ATMEGA_OTGCON_VBUSHWC (1 << 2)
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#define ATMEGA_OTGCON_SRPSEL (1 << 3)
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#define ATMEGA_OTGCON_SRPREQ (1 << 4)
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#define ATMEGA_OTGCON_HNPREQ (1 << 5)
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#define ATMEGA_USBINT 0xDA
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#define ATMEGA_USBINT_VBUSTI (1 << 0) /* USB VBUS interrupt */
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#define ATMEGA_USBINT_IDI (1 << 1) /* USB ID interrupt */
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#define ATMEGA_USBSTA 0xD9
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#define ATMEGA_USBSTA_VBUS (1 << 0)
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#define ATMEGA_USBSTA_ID (1 << 1)
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#define ATMEGA_USBCON 0xD8
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#define ATMEGA_USBCON_VBUSTE (1 << 0)
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#define ATMEGA_USBCON_IDE (1 << 1)
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#define ATMEGA_USBCON_OTGPADE (1 << 4)
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#define ATMEGA_USBCON_FRZCLK (1 << 5)
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#define ATMEGA_USBCON_USBE (1 << 7)
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#define ATMEGA_UHWCON 0xD7
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#define ATMEGA_UHWCON_UVREGE (1 << 0)
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#define ATMEGA_UHWCON_UVCONE (1 << 4)
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#define ATMEGA_UHWCON_UIDE (1 << 6)
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#define ATMEGA_UHWCON_UIMOD (1 << 7)
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#define ATMEGA_READ_1(sc, reg) \
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bus_space_read_1((sc)->sc_io_tag, (sc)->sc_io_hdl, reg)
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#define ATMEGA_WRITE_1(sc, reg, data) \
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bus_space_write_1((sc)->sc_io_tag, (sc)->sc_io_hdl, reg, data)
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#define ATMEGA_WRITE_MULTI_1(sc, reg, ptr, len) \
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bus_space_write_multi_1((sc)->sc_io_tag, (sc)->sc_io_hdl, reg, ptr, len)
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#define ATMEGA_READ_MULTI_1(sc, reg, ptr, len) \
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bus_space_read_multi_1((sc)->sc_io_tag, (sc)->sc_io_hdl, reg, ptr, len)
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/*
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* Maximum number of endpoints supported:
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*/
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#define ATMEGA_EP_MAX 7
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struct atmegadci_td;
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typedef uint8_t (atmegadci_cmd_t)(struct atmegadci_td *td);
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typedef void (atmegadci_clocks_t)(struct usb_bus *);
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struct atmegadci_td {
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struct atmegadci_td *obj_next;
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atmegadci_cmd_t *func;
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struct usb_page_cache *pc;
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uint32_t offset;
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uint32_t remainder;
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uint16_t max_packet_size;
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uint8_t error:1;
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uint8_t alt_next:1;
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uint8_t short_pkt:1;
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uint8_t support_multi_buffer:1;
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uint8_t did_stall:1;
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uint8_t ep_no:3;
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};
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struct atmegadci_std_temp {
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atmegadci_cmd_t *func;
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struct usb_page_cache *pc;
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struct atmegadci_td *td;
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struct atmegadci_td *td_next;
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uint32_t len;
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uint32_t offset;
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uint16_t max_frame_size;
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uint8_t short_pkt;
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/*
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* short_pkt = 0: transfer should be short terminated
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* short_pkt = 1: transfer should not be short terminated
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*/
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uint8_t setup_alt_next;
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uint8_t did_stall;
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};
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struct atmegadci_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 atmegadci_hub_temp {
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uWord wValue;
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struct usb_port_status ps;
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};
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struct atmegadci_flags {
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uint8_t change_connect:1;
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uint8_t change_suspend:1;
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uint8_t status_suspend:1; /* set if suspended */
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uint8_t status_vbus:1; /* set if present */
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uint8_t status_bus_reset:1; /* set if reset complete */
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uint8_t remote_wakeup:1;
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uint8_t self_powered:1;
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uint8_t clocks_off:1;
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uint8_t port_powered:1;
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uint8_t port_enabled:1;
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uint8_t d_pulled_up:1;
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};
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struct atmegadci_softc {
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struct usb_bus sc_bus;
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union atmegadci_hub_temp sc_hub_temp;
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/* must be set by by the bus interface layer */
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atmegadci_clocks_t *sc_clocks_on;
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atmegadci_clocks_t *sc_clocks_off;
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struct usb_device *sc_devices[ATMEGA_MAX_DEVICES];
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struct resource *sc_irq_res;
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void *sc_intr_hdl;
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struct resource *sc_io_res;
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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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uint8_t sc_rt_addr; /* root hub address */
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uint8_t sc_dv_addr; /* device address */
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uint8_t sc_conf; /* root hub config */
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uint8_t sc_hub_idata[1];
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struct atmegadci_flags sc_flags;
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};
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/* prototypes */
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usb_error_t atmegadci_init(struct atmegadci_softc *sc);
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void atmegadci_uninit(struct atmegadci_softc *sc);
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void atmegadci_suspend(struct atmegadci_softc *sc);
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void atmegadci_resume(struct atmegadci_softc *sc);
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void atmegadci_interrupt(struct atmegadci_softc *sc);
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#endif /* _ATMEGADCI_H_ */
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