port the MOSCHIP MCS7703 driver from openbsd, based on changes between
openbsd uvscom and netbsd uvscom as a guide. XXX: it only attaches one of the two ucom's on this device currently. XXX: needs moscom.4.
This commit is contained in:
mrg
parent
a0e195499c
commit
bf40ad8b96
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@ -1,4 +1,4 @@
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# $NetBSD: files.usb,v 1.90 2008/10/10 16:37:16 joerg Exp $
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# $NetBSD: files.usb,v 1.91 2009/06/19 01:16:23 mrg Exp $
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#
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# Config file and device description for machine-independent USB code.
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# Included by ports that need it. Ports that use it must provide
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@ -251,6 +251,11 @@ device umct: ucombus
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attach umct at usbdevif
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file dev/usb/umct.c umct
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# MOSCHIP MCS7xxx serial driver
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device moscom: ucombus
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attach moscom at usbdevif
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file dev/usb/moscom.c moscom
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# SUNTAC Slipper U VS-10U driver
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device uvscom: ucombus
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attach uvscom at usbdevif
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@ -0,0 +1,460 @@
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/* $NetBSD: moscom.c,v 1.1 2009/06/19 01:16:23 mrg Exp $ */
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/* $OpenBSD: moscom.c,v 1.11 2007/10/11 18:33:14 deraadt Exp $ */
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/*
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* Copyright (c) 2006 Jonathan Gray <jsg@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: moscom.c,v 1.1 2009/06/19 01:16:23 mrg Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/conf.h>
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#include <sys/tty.h>
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#include <sys/device.h>
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#include <dev/usb/usb.h>
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#include <dev/usb/usbdi.h>
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#include <dev/usb/usbdi_util.h>
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#include <dev/usb/usbdevs.h>
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#include <dev/usb/usbdevs.h>
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#include <dev/usb/ucomvar.h>
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#define MOSCOMBUFSZ 256
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#define MOSCOM_CONFIG_NO 0
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#define MOSCOM_IFACE_NO 0
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#define MOSCOM_READ 0x0d
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#define MOSCOM_WRITE 0x0e
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#define MOSCOM_UART_REG 0x0300
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#define MOSCOM_VEND_REG 0x0000
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#define MOSCOM_TXBUF 0x00 /* Write */
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#define MOSCOM_RXBUF 0x00 /* Read */
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#define MOSCOM_INT 0x01
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#define MOSCOM_FIFO 0x02 /* Write */
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#define MOSCOM_ISR 0x02 /* Read */
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#define MOSCOM_LCR 0x03
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#define MOSCOM_MCR 0x04
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#define MOSCOM_LSR 0x05
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#define MOSCOM_MSR 0x06
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#define MOSCOM_SCRATCH 0x07
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#define MOSCOM_DIV_LO 0x08
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#define MOSCOM_DIV_HI 0x09
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#define MOSCOM_EFR 0x0a
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#define MOSCOM_XON1 0x0b
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#define MOSCOM_XON2 0x0c
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#define MOSCOM_XOFF1 0x0d
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#define MOSCOM_XOFF2 0x0e
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#define MOSCOM_BAUDLO 0x00
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#define MOSCOM_BAUDHI 0x01
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#define MOSCOM_INT_RXEN 0x01
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#define MOSCOM_INT_TXEN 0x02
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#define MOSCOM_INT_RSEN 0x04
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#define MOSCOM_INT_MDMEM 0x08
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#define MOSCOM_INT_SLEEP 0x10
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#define MOSCOM_INT_XOFF 0x20
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#define MOSCOM_INT_RTS 0x40
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#define MOSCOM_FIFO_EN 0x01
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#define MOSCOM_FIFO_RXCLR 0x02
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#define MOSCOM_FIFO_TXCLR 0x04
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#define MOSCOM_FIFO_DMA_BLK 0x08
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#define MOSCOM_FIFO_TXLVL_MASK 0x30
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#define MOSCOM_FIFO_TXLVL_8 0x00
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#define MOSCOM_FIFO_TXLVL_16 0x10
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#define MOSCOM_FIFO_TXLVL_32 0x20
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#define MOSCOM_FIFO_TXLVL_56 0x30
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#define MOSCOM_FIFO_RXLVL_MASK 0xc0
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#define MOSCOM_FIFO_RXLVL_8 0x00
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#define MOSCOM_FIFO_RXLVL_16 0x40
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#define MOSCOM_FIFO_RXLVL_56 0x80
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#define MOSCOM_FIFO_RXLVL_80 0xc0
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#define MOSCOM_ISR_MDM 0x00
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#define MOSCOM_ISR_NONE 0x01
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#define MOSCOM_ISR_TX 0x02
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#define MOSCOM_ISR_RX 0x04
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#define MOSCOM_ISR_LINE 0x06
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#define MOSCOM_ISR_RXTIMEOUT 0x0c
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#define MOSCOM_ISR_RX_XOFF 0x10
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#define MOSCOM_ISR_RTSCTS 0x20
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#define MOSCOM_ISR_FIFOEN 0xc0
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#define MOSCOM_LCR_DBITS(x) (x - 5)
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#define MOSCOM_LCR_STOP_BITS_1 0x00
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#define MOSCOM_LCR_STOP_BITS_2 0x04 /* 2 if 6-8 bits/char or 1.5 if 5 */
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#define MOSCOM_LCR_PARITY_NONE 0x00
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#define MOSCOM_LCR_PARITY_ODD 0x08
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#define MOSCOM_LCR_PARITY_EVEN 0x18
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#define MOSCOM_LCR_BREAK 0x40
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#define MOSCOM_LCR_DIVLATCH_EN 0x80
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#define MOSCOM_MCR_DTR 0x01
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#define MOSCOM_MCR_RTS 0x02
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#define MOSCOM_MCR_LOOP 0x04
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#define MOSCOM_MCR_INTEN 0x08
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#define MOSCOM_MCR_LOOPBACK 0x10
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#define MOSCOM_MCR_XONANY 0x20
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#define MOSCOM_MCR_IRDA_EN 0x40
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#define MOSCOM_MCR_BAUD_DIV4 0x80
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#define MOSCOM_LSR_RXDATA 0x01
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#define MOSCOM_LSR_RXOVER 0x02
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#define MOSCOM_LSR_RXPAR_ERR 0x04
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#define MOSCOM_LSR_RXFRM_ERR 0x08
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#define MOSCOM_LSR_RXBREAK 0x10
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#define MOSCOM_LSR_TXEMPTY 0x20
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#define MOSCOM_LSR_TXALLEMPTY 0x40
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#define MOSCOM_LSR_TXFIFO_ERR 0x80
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#define MOSCOM_MSR_CTS_CHG 0x01
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#define MOSCOM_MSR_DSR_CHG 0x02
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#define MOSCOM_MSR_RI_CHG 0x04
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#define MOSCOM_MSR_CD_CHG 0x08
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#define MOSCOM_MSR_CTS 0x10
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#define MOSCOM_MSR_RTS 0x20
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#define MOSCOM_MSR_RI 0x40
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#define MOSCOM_MSR_CD 0x80
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#define MOSCOM_BAUD_REF 115200
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struct moscom_softc {
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USBBASEDEVICE sc_dev;
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usbd_device_handle sc_udev;
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usbd_interface_handle sc_iface;
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device_ptr_t sc_subdev;
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u_char sc_msr;
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u_char sc_lsr;
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u_char sc_lcr;
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u_char sc_dying;
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};
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void moscom_get_status(void *, int, u_char *, u_char *);
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void moscom_set(void *, int, int, int);
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int moscom_param(void *, int, struct termios *);
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int moscom_open(void *, int);
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int moscom_cmd(struct moscom_softc *, int, int);
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struct ucom_methods moscom_methods = {
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NULL,
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moscom_set,
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moscom_param,
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NULL,
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moscom_open,
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NULL,
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NULL,
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NULL,
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};
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static const struct usb_devno moscom_devs[] = {
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{ USB_VENDOR_MOSCHIP, USB_PRODUCT_MOSCHIP_MCS7703 },
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{ USB_VENDOR_MOSCHIP, USB_PRODUCT_MOSCHIP_MCS7840 }
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};
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#define moscom_lookup(v, p) usb_lookup(moscom_devs, v, p)
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int moscom_match(device_t, cfdata_t, void *);
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void moscom_attach(device_t, device_t, void *);
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void moscom_childdet(device_t, device_t);
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int moscom_detach(device_t, int);
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int moscom_activate(device_t, enum devact);
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CFATTACH_DECL2_NEW(moscom, sizeof(struct moscom_softc), moscom_match,
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moscom_attach, moscom_detach, moscom_activate, NULL, moscom_childdet);
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USB_MATCH(moscom)
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{
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USB_MATCH_START(moscom, uaa);
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return (moscom_lookup(uaa->vendor, uaa->product) != NULL ?
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UMATCH_VENDOR_PRODUCT : UMATCH_NONE);
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}
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USB_ATTACH(moscom)
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{
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USB_ATTACH_START(moscom, sc, uaa);
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usbd_device_handle dev = uaa->device;
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struct ucom_attach_args uca;
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usb_interface_descriptor_t *id;
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usb_endpoint_descriptor_t *ed;
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char *devinfop;
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usbd_status error;
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int i;
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devinfop = usbd_devinfo_alloc(dev, 0);
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USB_ATTACH_SETUP;
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aprint_normal_dev(self, "%s\n", devinfop);
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usbd_devinfo_free(devinfop);
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sc->sc_dev = self;
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bzero(&uca, sizeof(uca));
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sc->sc_udev = uaa->device;
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if (usbd_set_config_index(sc->sc_udev, MOSCOM_CONFIG_NO, 1) != 0) {
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aprint_error_dev(self, "could not set configuration no\n");
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sc->sc_dying = 1;
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return;
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}
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/* get the first interface handle */
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error = usbd_device2interface_handle(sc->sc_udev, MOSCOM_IFACE_NO,
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&sc->sc_iface);
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if (error != 0) {
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aprint_error_dev(self, "could not get interface handle\n");
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sc->sc_dying = 1;
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return;
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}
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id = usbd_get_interface_descriptor(sc->sc_iface);
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uca.bulkin = uca.bulkout = -1;
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for (i = 0; i < id->bNumEndpoints; i++) {
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ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i);
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if (ed == NULL) {
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aprint_error_dev(self,
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"no endpoint descriptor found for %d\n", i);
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sc->sc_dying = 1;
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return;
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}
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if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
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UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK)
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uca.bulkin = ed->bEndpointAddress;
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else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
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UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK)
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uca.bulkout = ed->bEndpointAddress;
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}
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if (uca.bulkin == -1 || uca.bulkout == -1) {
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aprint_error_dev(self, "missing endpoint\n");
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sc->sc_dying = 1;
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return;
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}
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uca.ibufsize = MOSCOMBUFSZ;
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uca.obufsize = MOSCOMBUFSZ;
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uca.ibufsizepad = MOSCOMBUFSZ;
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uca.opkthdrlen = 0;
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uca.device = sc->sc_udev;
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uca.iface = sc->sc_iface;
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uca.methods = &moscom_methods;
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uca.arg = sc;
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uca.info = NULL;
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usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
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USBDEV(sc->sc_dev));
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sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, &uca,
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ucomprint, ucomsubmatch);
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USB_ATTACH_SUCCESS_RETURN;
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}
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void
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moscom_childdet(device_t self, device_t child)
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{
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struct moscom_softc *sc = device_private(self);
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KASSERT(sc->sc_subdev == child);
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sc->sc_subdev = NULL;
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}
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USB_DETACH(moscom)
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{
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USB_DETACH_START(moscom, sc);
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int rv = 0;
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sc->sc_dying = 1;
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if (sc->sc_subdev != NULL)
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rv = config_detach(sc->sc_subdev, flags);
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usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
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USBDEV(sc->sc_dev));
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return (rv);
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}
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int
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moscom_activate(device_t self, enum devact act)
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{
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struct moscom_softc *sc = device_private(self);
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int rv = 0;
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switch (act) {
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case DVACT_ACTIVATE:
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return (EOPNOTSUPP);
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case DVACT_DEACTIVATE:
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if (sc->sc_subdev != NULL)
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rv = config_deactivate(sc->sc_subdev);
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sc->sc_dying = 1;
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break;
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}
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return (rv);
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}
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int
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moscom_open(void *vsc, int portno)
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{
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struct moscom_softc *sc = vsc;
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usb_device_request_t req;
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if (sc->sc_dying)
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return (EIO);
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/* Purge FIFOs or odd things happen */
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if (moscom_cmd(sc, MOSCOM_FIFO, 0x00) != 0)
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return (EIO);
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if (moscom_cmd(sc, MOSCOM_FIFO, MOSCOM_FIFO_EN |
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MOSCOM_FIFO_RXCLR | MOSCOM_FIFO_TXCLR |
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MOSCOM_FIFO_DMA_BLK | MOSCOM_FIFO_RXLVL_MASK) != 0)
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return (EIO);
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/* Magic tell device we're ready for data command */
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req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
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req.bRequest = MOSCOM_WRITE;
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USETW(req.wValue, 0x08);
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USETW(req.wIndex, MOSCOM_INT);
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USETW(req.wLength, 0);
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if (usbd_do_request(sc->sc_udev, &req, NULL) != 0)
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return (EIO);
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return (0);
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}
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void
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moscom_set(void *vsc, int portno, int reg, int onoff)
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{
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struct moscom_softc *sc = vsc;
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int val;
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switch (reg) {
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case UCOM_SET_DTR:
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val = onoff ? MOSCOM_MCR_DTR : 0;
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break;
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case UCOM_SET_RTS:
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val = onoff ? MOSCOM_MCR_RTS : 0;
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break;
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case UCOM_SET_BREAK:
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val = sc->sc_lcr;
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if (onoff)
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val |= MOSCOM_LCR_BREAK;
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moscom_cmd(sc, MOSCOM_LCR, val);
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return;
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default:
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return;
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}
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moscom_cmd(sc, MOSCOM_MCR, val);
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}
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int
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moscom_param(void *vsc, int portno, struct termios *t)
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{
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struct moscom_softc *sc = (struct moscom_softc *)vsc;
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int data;
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if (t->c_ospeed <= 0 || t->c_ospeed > 115200)
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return (EINVAL);
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data = MOSCOM_BAUD_REF / t->c_ospeed;
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if (data == 0 || data > 0xffff)
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return (EINVAL);
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moscom_cmd(sc, MOSCOM_LCR, MOSCOM_LCR_DIVLATCH_EN);
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moscom_cmd(sc, MOSCOM_BAUDLO, data & 0xFF);
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moscom_cmd(sc, MOSCOM_BAUDHI, (data >> 8) & 0xFF);
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if (ISSET(t->c_cflag, CSTOPB))
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data = MOSCOM_LCR_STOP_BITS_2;
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else
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data = MOSCOM_LCR_STOP_BITS_1;
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if (ISSET(t->c_cflag, PARENB)) {
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if (ISSET(t->c_cflag, PARODD))
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data |= MOSCOM_LCR_PARITY_ODD;
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else
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data |= MOSCOM_LCR_PARITY_EVEN;
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} else
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data |= MOSCOM_LCR_PARITY_NONE;
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switch (ISSET(t->c_cflag, CSIZE)) {
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case CS5:
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data |= MOSCOM_LCR_DBITS(5);
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break;
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case CS6:
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data |= MOSCOM_LCR_DBITS(6);
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break;
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case CS7:
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data |= MOSCOM_LCR_DBITS(7);
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break;
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case CS8:
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data |= MOSCOM_LCR_DBITS(8);
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break;
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}
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sc->sc_lcr = data;
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moscom_cmd(sc, MOSCOM_LCR, sc->sc_lcr);
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#if 0
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/* XXX flow control */
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if (ISSET(t->c_cflag, CRTSCTS))
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/* rts/cts flow ctl */
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} else if (ISSET(t->c_iflag, IXON|IXOFF)) {
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||||
/* xon/xoff flow ctl */
|
||||
} else {
|
||||
/* disable flow ctl */
|
||||
}
|
||||
#endif
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
void
|
||||
moscom_get_status(void *vsc, int portno, u_char *lsr, u_char *msr)
|
||||
{
|
||||
struct moscom_softc *sc = vsc;
|
||||
|
||||
if (msr != NULL)
|
||||
*msr = sc->sc_msr;
|
||||
if (lsr != NULL)
|
||||
*lsr = sc->sc_lsr;
|
||||
}
|
||||
|
||||
int
|
||||
moscom_cmd(struct moscom_softc *sc, int reg, int val)
|
||||
{
|
||||
usb_device_request_t req;
|
||||
usbd_status err;
|
||||
|
||||
req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
|
||||
req.bRequest = MOSCOM_WRITE;
|
||||
USETW(req.wValue, val + MOSCOM_UART_REG);
|
||||
USETW(req.wIndex, reg);
|
||||
USETW(req.wLength, 0);
|
||||
err = usbd_do_request(sc->sc_udev, &req, NULL);
|
||||
if (err)
|
||||
return (EIO);
|
||||
else
|
||||
return (0);
|
||||
}
|
||||
Loading…
Reference in New Issue