378 lines
13 KiB
C
378 lines
13 KiB
C
/* $FreeBSD$ */
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/*-
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* Copyright (c) 2007 Hans Petter Selasky <hselasky@FreeBSD.org>
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* 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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#ifndef _USS820_DCI_H_
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#define _USS820_DCI_H_
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#define USS820_MAX_DEVICES (USB_MIN_DEVICES + 1)
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#define USS820_EP_MAX 8 /* maximum number of endpoints */
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#define USS820_TXDAT 0x00 /* Transmit FIFO data */
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#define USS820_TXCNTL 0x01 /* Transmit FIFO byte count low */
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#define USS820_TXCNTL_MASK 0xFF
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#define USS820_TXCNTH 0x02 /* Transmit FIFO byte count high */
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#define USS820_TXCNTH_MASK 0x03
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#define USS820_TXCNTH_UNUSED 0xFC
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#define USS820_TXCON 0x03 /* USB transmit FIFO control */
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#define USS820_TXCON_REVRP 0x01
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#define USS820_TXCON_ADVRM 0x02
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#define USS820_TXCON_ATM 0x04 /* Automatic Transmit Management */
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#define USS820_TXCON_TXISO 0x08 /* Transmit Isochronous Data */
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#define USS820_TXCON_UNUSED 0x10
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#define USS820_TXCON_FFSZ_16_64 0x00
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#define USS820_TXCON_FFSZ_64_256 0x20
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#define USS820_TXCON_FFSZ_8_512 0x40
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#define USS820_TXCON_FFSZ_32_1024 0x60
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#define USS820_TXCON_FFSZ_MASK 0x60
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#define USS820_TXCON_TXCLR 0x80 /* Transmit FIFO clear */
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#define USS820_TXFLG 0x04 /* Transmit FIFO flag (Read Only) */
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#define USS820_TXFLG_TXOVF 0x01 /* TX overrun */
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#define USS820_TXFLG_TXURF 0x02 /* TX underrun */
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#define USS820_TXFLG_TXFULL 0x04 /* TX full */
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#define USS820_TXFLG_TXEMP 0x08 /* TX empty */
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#define USS820_TXFLG_UNUSED 0x30
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#define USS820_TXFLG_TXFIF0 0x40
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#define USS820_TXFLG_TXFIF1 0x80
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#define USS820_RXDAT 0x05 /* Receive FIFO data */
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#define USS820_RXCNTL 0x06 /* Receive FIFO byte count low */
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#define USS820_RXCNTL_MASK 0xFF
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#define USS820_RXCNTH 0x07 /* Receive FIFO byte count high */
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#define USS820_RXCNTH_MASK 0x03
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#define USS820_RXCNTH_UNUSED 0xFC
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#define USS820_RXCON 0x08 /* Receive FIFO control */
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#define USS820_RXCON_REVWP 0x01
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#define USS820_RXCON_ADVWM 0x02
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#define USS820_RXCON_ARM 0x04 /* Auto Receive Management */
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#define USS820_RXCON_RXISO 0x08 /* Receive Isochronous Data */
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#define USS820_RXCON_RXFFRC 0x10 /* FIFO Read Complete */
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#define USS820_RXCON_FFSZ_16_64 0x00
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#define USS820_RXCON_FFSZ_64_256 0x20
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#define USS820_RXCON_FFSZ_8_512 0x40
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#define USS820_RXCON_FFSZ_32_1024 0x60
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#define USS820_RXCON_RXCLR 0x80 /* Receive FIFO clear */
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#define USS820_RXFLG 0x09 /* Receive FIFO flag (Read Only) */
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#define USS820_RXFLG_RXOVF 0x01 /* RX overflow */
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#define USS820_RXFLG_RXURF 0x02 /* RX underflow */
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#define USS820_RXFLG_RXFULL 0x04 /* RX full */
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#define USS820_RXFLG_RXEMP 0x08 /* RX empty */
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#define USS820_RXFLG_RXFLUSH 0x10 /* RX flush */
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#define USS820_RXFLG_UNUSED 0x20
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#define USS820_RXFLG_RXFIF0 0x40
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#define USS820_RXFLG_RXFIF1 0x80
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#define USS820_EPINDEX 0x0a /* Endpoint index selection */
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#define USS820_EPINDEX_MASK 0x07
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#define USS820_EPINDEX_UNUSED 0xF8
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#define USS820_EPCON 0x0b /* Endpoint control */
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#define USS820_EPCON_TXEPEN 0x01 /* Transmit Endpoint Enable */
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#define USS820_EPCON_TXOE 0x02 /* Transmit Output Enable */
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#define USS820_EPCON_RXEPEN 0x04 /* Receive Endpoint Enable */
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#define USS820_EPCON_RXIE 0x08 /* Receive Input Enable */
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#define USS820_EPCON_RXSPM 0x10 /* Receive Single-Packet Mode */
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#define USS820_EPCON_CTLEP 0x20 /* Control Endpoint */
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#define USS820_EPCON_TXSTL 0x40 /* Stall Transmit Endpoint */
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#define USS820_EPCON_RXSTL 0x80 /* Stall Receive Endpoint */
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#define USS820_TXSTAT 0x0c /* Transmit status */
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#define USS820_TXSTAT_TXACK 0x01 /* Transmit Acknowledge */
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#define USS820_TXSTAT_TXERR 0x02 /* Transmit Error */
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#define USS820_TXSTAT_TXVOID 0x04 /* Transmit Void */
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#define USS820_TXSTAT_TXSOVW 0x08 /* Transmit Data Sequence Overwrite
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* Bit */
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#define USS820_TXSTAT_TXFLUSH 0x10 /* Transmit FIFO Packet Flushed */
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#define USS820_TXSTAT_TXNAKE 0x20 /* Transmit NAK Mode Enable */
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#define USS820_TXSTAT_TXDSAM 0x40 /* Transmit Data-Set-Available Mode */
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#define USS820_TXSTAT_TXSEQ 0x80 /* Transmitter Current Sequence Bit */
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#define USS820_RXSTAT 0x0d /* Receive status */
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#define USS820_RXSTAT_RXACK 0x01 /* Receive Acknowledge */
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#define USS820_RXSTAT_RXERR 0x02 /* Receive Error */
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#define USS820_RXSTAT_RXVOID 0x04 /* Receive Void */
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#define USS820_RXSTAT_RXSOVW 0x08 /* Receive Data Sequence Overwrite Bit */
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#define USS820_RXSTAT_EDOVW 0x10 /* End Overwrite Flag */
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#define USS820_RXSTAT_STOVW 0x20 /* Start Overwrite Flag */
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#define USS820_RXSTAT_RXSETUP 0x40 /* Received SETUP token */
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#define USS820_RXSTAT_RXSEQ 0x80 /* Receiver Endpoint Sequence Bit */
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#define USS820_SOFL 0x0e /* Start Of Frame counter low */
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#define USS820_SOFL_MASK 0xFF
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#define USS820_SOFH 0x0f /* Start Of Frame counter high */
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#define USS820_SOFH_MASK 0x07
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#define USS820_SOFH_SOFDIS 0x08 /* SOF Pin Output Disable */
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#define USS820_SOFH_FTLOCK 0x10 /* Frame Timer Lock */
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#define USS820_SOFH_SOFIE 0x20 /* SOF Interrupt Enable */
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#define USS820_SOFH_ASOF 0x40 /* Any Start of Frame */
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#define USS820_SOFH_SOFACK 0x80 /* SOF Token Received Without Error */
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#define USS820_FADDR 0x10 /* Function Address */
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#define USS820_FADDR_MASK 0x7F
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#define USS820_FADDR_UNUSED 0x80
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#define USS820_SCR 0x11 /* System Control */
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#define USS820_SCR_UNUSED 0x01
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#define USS820_SCR_T_IRQ 0x02 /* Global Interrupt Enable */
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#define USS820_SCR_IRQLVL 0x04 /* Interrupt Mode */
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#define USS820_SCR_SRESET 0x08 /* Software reset */
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#define USS820_SCR_IE_RESET 0x10 /* Enable Reset Interrupt */
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#define USS820_SCR_IE_SUSP 0x20 /* Enable Suspend Interrupt */
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#define USS820_SCR_RWUPE 0x40 /* Enable Remote Wake-Up Feature */
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#define USS820_SCR_IRQPOL 0x80 /* IRQ polarity */
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#define USS820_SSR 0x12 /* System Status */
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#define USS820_SSR_RESET 0x01 /* Reset Condition Detected on USB
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* cable */
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#define USS820_SSR_SUSPEND 0x02 /* Suspend Detected */
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#define USS820_SSR_RESUME 0x04 /* Resume Detected */
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#define USS820_SSR_SUSPDIS 0x08 /* Suspend Disable */
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#define USS820_SSR_SUSPPO 0x10 /* Suspend Power Off */
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#define USS820_SSR_UNUSED 0xE0
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#define USS820_UNK0 0x13 /* Unknown */
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#define USS820_UNK0_UNUSED 0xFF
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#define USS820_SBI 0x14 /* Serial bus interrupt low */
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#define USS820_SBI_FTXD0 0x01 /* Function Transmit Done, EP 0 */
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#define USS820_SBI_FRXD0 0x02 /* Function Receive Done, EP 0 */
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#define USS820_SBI_FTXD1 0x04
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#define USS820_SBI_FRXD1 0x08
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#define USS820_SBI_FTXD2 0x10
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#define USS820_SBI_FRXD2 0x20
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#define USS820_SBI_FTXD3 0x40
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#define USS820_SBI_FRXD3 0x80
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#define USS820_SBI1 0x15 /* Serial bus interrupt high */
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#define USS820_SBI1_FTXD4 0x01
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#define USS820_SBI1_FRXD4 0x02
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#define USS820_SBI1_FTXD5 0x04
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#define USS820_SBI1_FRXD5 0x08
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#define USS820_SBI1_FTXD6 0x10
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#define USS820_SBI1_FRXD6 0x20
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#define USS820_SBI1_FTXD7 0x40
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#define USS820_SBI1_FRXD7 0x80
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#define USS820_SBIE 0x16 /* Serial bus interrupt enable low */
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#define USS820_SBIE_FTXIE0 0x01
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#define USS820_SBIE_FRXIE0 0x02
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#define USS820_SBIE_FTXIE1 0x04
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#define USS820_SBIE_FRXIE1 0x08
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#define USS820_SBIE_FTXIE2 0x10
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#define USS820_SBIE_FRXIE2 0x20
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#define USS820_SBIE_FTXIE3 0x40
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#define USS820_SBIE_FRXIE3 0x80
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#define USS820_SBIE1 0x17 /* Serial bus interrupt enable high */
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#define USS820_SBIE1_FTXIE4 0x01
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#define USS820_SBIE1_FRXIE4 0x02
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#define USS820_SBIE1_FTXIE5 0x04
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#define USS820_SBIE1_FRXIE5 0x08
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#define USS820_SBIE1_FTXIE6 0x10
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#define USS820_SBIE1_FRXIE6 0x20
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#define USS820_SBIE1_FTXIE7 0x40
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#define USS820_SBIE1_FRXIE7 0x80
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#define USS820_REV 0x18 /* Hardware revision */
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#define USS820_REV_MIN 0x0F
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#define USS820_REV_MAJ 0xF0
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#define USS820_LOCK 0x19 /* Suspend power-off locking */
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#define USS820_LOCK_UNLOCKED 0x01
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#define USS820_LOCK_UNUSED 0xFE
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#define USS820_PEND 0x1a /* Pend hardware status update */
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#define USS820_PEND_PEND 0x01
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#define USS820_PEND_UNUSED 0xFE
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#define USS820_SCRATCH 0x1b /* Scratch firmware information */
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#define USS820_SCRATCH_MASK 0x7F
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#define USS820_SCRATCH_IE_RESUME 0x80 /* Enable Resume Interrupt */
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#define USS820_MCSR 0x1c /* Miscellaneous control and status */
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#define USS820_MCSR_DPEN 0x01 /* DPLS Pull-Up Enable */
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#define USS820_MCSR_SUSPLOE 0x02 /* Suspend Lock Out Enable */
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#define USS820_MCSR_BDFEAT 0x04 /* Board Feature Enable */
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#define USS820_MCSR_FEAT 0x08 /* Feature Enable */
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#define USS820_MCSR_PKGID 0x10 /* Package Identification */
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#define USS820_MCSR_SUSPS 0x20 /* Suspend Status */
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#define USS820_MCSR_INIT 0x40 /* Device Initialized */
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#define USS820_MCSR_RWUPR 0x80 /* Remote Wakeup-Up Remember */
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#define USS820_DSAV 0x1d /* Data set available low (Read Only) */
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#define USS820_DSAV_TXAV0 0x01
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#define USS820_DSAV_RXAV0 0x02
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#define USS820_DSAV_TXAV1 0x04
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#define USS820_DSAV_RXAV1 0x08
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#define USS820_DSAV_TXAV2 0x10
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#define USS820_DSAV_RXAV2 0x20
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#define USS820_DSAV_TXAV3 0x40
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#define USS820_DSAV_RXAV3 0x80
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#define USS820_DSAV1 0x1e /* Data set available high */
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#define USS820_DSAV1_TXAV4 0x01
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#define USS820_DSAV1_RXAV4 0x02
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#define USS820_DSAV1_TXAV5 0x04
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#define USS820_DSAV1_RXAV5 0x08
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#define USS820_DSAV1_TXAV6 0x10
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#define USS820_DSAV1_RXAV6 0x20
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#define USS820_DSAV1_TXAV7 0x40
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#define USS820_DSAV1_RXAV7 0x80
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#define USS820_UNK1 0x1f /* Unknown */
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#define USS820_UNK1_UNKNOWN 0xFF
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#define USS820_GET_REG(sc,reg) \
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((reg) << (sc)->sc_reg_shift)
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#define USS820_READ_1(sc, reg) \
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bus_space_read_1((sc)->sc_io_tag, (sc)->sc_io_hdl, \
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USS820_GET_REG(sc,reg))
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#define USS820_WRITE_1(sc, reg, data) \
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bus_space_write_1((sc)->sc_io_tag, (sc)->sc_io_hdl, \
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USS820_GET_REG(sc,reg), data)
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struct uss820dci_td;
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typedef uint8_t (uss820dci_cmd_t)(struct uss820dci_td *td);
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struct uss820dci_td {
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bus_space_tag_t io_tag;
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bus_space_handle_t io_hdl;
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struct uss820dci_td *obj_next;
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uss820dci_cmd_t *func;
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struct usb2_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 rx_stat_reg;
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uint8_t tx_stat_reg;
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uint8_t rx_flag_reg;
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uint8_t tx_flag_reg;
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uint8_t rx_fifo_reg;
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uint8_t tx_fifo_reg;
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uint8_t rx_count_low_reg;
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uint8_t rx_count_high_reg;
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uint8_t tx_count_low_reg;
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uint8_t tx_count_high_reg;
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uint8_t rx_cntl_reg;
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uint8_t tx_cntl_reg;
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uint8_t ep_reg;
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uint8_t pend_reg;
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uint8_t ep_index;
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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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};
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struct uss820_std_temp {
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uss820dci_cmd_t *func;
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struct usb2_page_cache *pc;
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struct uss820dci_td *td;
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struct uss820dci_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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};
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struct uss820dci_config_desc {
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struct usb2_config_descriptor confd;
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struct usb2_interface_descriptor ifcd;
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struct usb2_endpoint_descriptor endpd;
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} __packed;
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union uss820_hub_temp {
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uWord wValue;
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struct usb2_port_status ps;
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};
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struct uss820_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 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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uint8_t mcsr_feat:1;
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};
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struct uss820dci_softc {
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struct usb2_bus sc_bus;
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union uss820_hub_temp sc_hub_temp;
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LIST_HEAD(, usb2_xfer) sc_interrupt_list_head;
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struct usb2_sw_transfer sc_root_ctrl;
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struct usb2_sw_transfer sc_root_intr;
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struct usb2_device *sc_devices[USS820_MAX_DEVICES];
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struct resource *sc_io_res;
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struct resource *sc_irq_res;
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void *sc_intr_hdl;
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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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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_reg_shift;
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uint8_t sc_hub_idata[1];
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struct uss820_flags sc_flags;
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};
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/* prototypes */
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usb2_error_t uss820dci_init(struct uss820dci_softc *sc);
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void uss820dci_uninit(struct uss820dci_softc *sc);
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void uss820dci_suspend(struct uss820dci_softc *sc);
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void uss820dci_resume(struct uss820dci_softc *sc);
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void uss820dci_interrupt(struct uss820dci_softc *sc);
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#endif /* _USS820_DCI_H_ */
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