+++ /dev/null
-ÐÏ\11ࡱ
\ No newline at end of file
+++ /dev/null
-26a27
-> #include <linux/moduleparam.h>
-29,48d29
-<
-< #if LINUX26
-<
-< #include <linux/moduleparam.h>
-< #define DEV_ERR(dev,format,arg...) dev_err(dev,format, ## arg)
-< #define USB_KILL_URB usb_kill_urb
-<
-< #else /* !LINUX26 */
-<
-< #ifdef CONFIG_USB_SERIAL_DEBUG
-< static int debug = 1;
-< #else
-< static int debug;
-< #endif
-<
-< #define DEV_ERR(dev,format,arg...) err(format, ## arg)
-< #define USB_KILL_URB usb_unlink_urb
-<
-< #endif /* LINUX26 */
-<
-54,55c35,36
-< #define DRIVER_VERSION "v0.10"
-< #define DRIVER_DESC "Silicon Labs CP2101/CP2102/CP2103 RS232 serial adaptor driver"
----
-> #define DRIVER_VERSION "v0.05"
-> #define DRIVER_DESC "Silicon Labs CP2101/CP2102 RS232 serial adaptor driver"
-60c41
-< static int cp2101_open(struct usb_serial_port*, struct file*);
----
-> static int cp2101_open(struct usb_serial_port*, struct file*);
-64a46,48
-> static int cp2101_tiocmget (struct usb_serial_port *, struct file *);
-> static int cp2101_tiocmset (struct usb_serial_port *, struct file *,
-> unsigned int, unsigned int);
-66c50
-< static int cp2101_startup (struct usb_serial *);
----
-> static int cp2101_startup (struct usb_serial *);
-68,70c52
-< static int cp2101_ioctl (struct usb_serial_port *port, struct file *file, unsigned int cmd, unsigned long arg);
-< static int cp2101_tiocmget (struct usb_serial_port *, struct file *);
-< static int cp2101_tiocmset (struct usb_serial_port *, struct file *, unsigned int, unsigned int);
----
->
-74a57
-> { USB_DEVICE(0x0FCF, 0x1003) }, /* Dynastream ANT development board */
-76a60,61
-> { USB_DEVICE(0x10C4, 0x80F6) }, /* Suunto sports instrument */
-> { USB_DEVICE(0x10A6, 0xAA26) }, /* Knock-off DCU-11 cable */
-77a63
-> { USB_DEVICE(0x16D6, 0x0001) }, /* Jablotron serial interface */
-83d68
-< #if LINUX26
-86c71
-< .name = "CP2101",
----
-> .name = "cp2101",
-91,92d75
-< #define USB_SUBMIT_URB_ATOMIC(_x_) usb_submit_urb(_x_ , GFP_ATOMIC)
-< #define USB_SUBMIT_URB_KERNEL(_x_) usb_submit_urb(_x_ , GFP_KERNEL)
-94,103c77,82
-< #else /* LINUX26 */
-<
-< #define USB_SUBMIT_URB_ATOMIC(_x_) usb_submit_urb(_x_)
-< #define USB_SUBMIT_URB_KERNEL(_x_) usb_submit_urb(_x_)
-< #endif
-<
-< static struct usb_serial_device_type cp2101_device = {
-< .owner = THIS_MODULE,
-< .name = "CP2101/CP2102/CP2103 USB to UART Bridge",
-< .id_table = id_table,
----
-> static struct usb_serial_driver cp2101_device = {
-> .driver = {
-> .owner = THIS_MODULE,
-> .name = "cp2101",
-> },
-> .id_table = id_table,
-107,111c86,89
-< .num_ports = 1,
-< .open = cp2101_open,
-< .close = cp2101_close,
-< .ioctl = cp2101_ioctl, /* GLA, Added backport */
-< .break_ctl = cp2101_break_ctl,
----
-> .num_ports = 1,
-> .open = cp2101_open,
-> .close = cp2101_close,
-> .break_ctl = cp2101_break_ctl,
-113,120c91,94
-< .shutdown = cp2101_shutdown,
-< #if LINUX26
-< .tiocmget = cp2101_tiocmget,
-< .tiocmset = cp2101_tiocmset,
-< .attach = cp2101_startup
-< #else
-< .startup = cp2101_startup
-< #endif
----
-> .tiocmget = cp2101_tiocmget,
-> .tiocmset = cp2101_tiocmset,
-> .attach = cp2101_startup,
-> .shutdown = cp2101_shutdown,
-128,134c102,108
-< #define CP2101_UART 0x00 /* Enable / Disable */
-< #define CP2101_BAUDRATE 0x01 /* (BAUD_RATE_GEN_FREQ / baudrate) */
-< #define CP2101_BITS 0x03 /* 0x(0)(databits)(parity)(stopbits) */
-< #define CP2101_BREAK 0x05 /* On / Off */
-< #define CP2101_CONTROL 0x07 /* Flow control line states */
-< #define CP2101_MODEMCTL 0x13 /* Modem controls */
-< #define CP2101_CONFIG_6 0x19 /* 6 bytes of config data ??? */
----
-> #define CP2101_UART 0x00 /* Enable / Disable */
-> #define CP2101_BAUDRATE 0x01 /* (BAUD_RATE_GEN_FREQ / baudrate) */
-> #define CP2101_BITS 0x03 /* 0x(0)(databits)(parity)(stopbits) */
-> #define CP2101_BREAK 0x05 /* On / Off */
-> #define CP2101_CONTROL 0x07 /* Flow control line states */
-> #define CP2101_MODEMCTL 0x13 /* Modem controls */
-> #define CP2101_CONFIG_6 0x19 /* 6 bytes of config data ??? */
-137,138c111,112
-< #define UART_ENABLE 0x0001
-< #define UART_DISABLE 0x0000
----
-> #define UART_ENABLE 0x0001
-> #define UART_DISABLE 0x0000
-141c115
-< #define BAUD_RATE_GEN_FREQ 0x384000
----
-> #define BAUD_RATE_GEN_FREQ 0x384000
-144,161c118,135
-< #define BITS_DATA_MASK 0x0f00
-< #define BITS_DATA_5 0x0500
-< #define BITS_DATA_6 0x0600
-< #define BITS_DATA_7 0x0700
-< #define BITS_DATA_8 0x0800
-< #define BITS_DATA_9 0x0900
-<
-< #define BITS_PARITY_MASK 0x00f0
-< #define BITS_PARITY_NONE 0x0000
-< #define BITS_PARITY_ODD 0x0010
-< #define BITS_PARITY_EVEN 0x0020
-< #define BITS_PARITY_MARK 0x0030
-< #define BITS_PARITY_SPACE 0x0040
-<
-< #define BITS_STOP_MASK 0x000f
-< #define BITS_STOP_1 0x0000
-< #define BITS_STOP_1_5 0x0001
-< #define BITS_STOP_2 0x0002
----
-> #define BITS_DATA_MASK 0X0f00
-> #define BITS_DATA_5 0X0500
-> #define BITS_DATA_6 0X0600
-> #define BITS_DATA_7 0X0700
-> #define BITS_DATA_8 0X0800
-> #define BITS_DATA_9 0X0900
->
-> #define BITS_PARITY_MASK 0x00f0
-> #define BITS_PARITY_NONE 0x0000
-> #define BITS_PARITY_ODD 0x0010
-> #define BITS_PARITY_EVEN 0x0020
-> #define BITS_PARITY_MARK 0x0030
-> #define BITS_PARITY_SPACE 0x0040
->
-> #define BITS_STOP_MASK 0x000f
-> #define BITS_STOP_1 0x0000
-> #define BITS_STOP_1_5 0x0001
-> #define BITS_STOP_2 0x0002
-164,165c138,139
-< #define BREAK_ON 0x0000
-< #define BREAK_OFF 0x0001
----
-> #define BREAK_ON 0x0000
-> #define BREAK_OFF 0x0001
-168,175c142,149
-< #define CONTROL_DTR 0x0001
-< #define CONTROL_RTS 0x0002
-< #define CONTROL_CTS 0x0010
-< #define CONTROL_DSR 0x0020
-< #define CONTROL_RING 0x0040
-< #define CONTROL_DCD 0x0080
-< #define CONTROL_WRITE_DTR 0x0100
-< #define CONTROL_WRITE_RTS 0x0200
----
-> #define CONTROL_DTR 0x0001
-> #define CONTROL_RTS 0x0002
-> #define CONTROL_CTS 0x0010
-> #define CONTROL_DSR 0x0020
-> #define CONTROL_RING 0x0040
-> #define CONTROL_DCD 0x0080
-> #define CONTROL_WRITE_DTR 0x0100
-> #define CONTROL_WRITE_RTS 0x0200
-198c172
-< DEV_ERR(&port->dev,"%s - out of memory.\n", __FUNCTION__);
----
-> dev_err(&port->dev, "%s - out of memory.\n", __FUNCTION__);
-206,215c180,182
-< result = usb_control_msg (
-< serial->dev,
-< usb_rcvctrlpipe (serial->dev, 0),
-< request,
-< REQTYPE_DEVICE_TO_HOST,
-< 0x0000,
-< 0,
-< buf,
-< size,
-< 300);
----
-> result = usb_control_msg (serial->dev,usb_rcvctrlpipe (serial->dev, 0),
-> request, REQTYPE_DEVICE_TO_HOST, 0x0000,
-> 0, buf, size, 300);
-218c185,186
-< for (i=0; i<length; i++) data[i] = le32_to_cpu(buf[i]);
----
-> for (i=0; i<length; i++)
-> data[i] = le32_to_cpu(buf[i]);
-223c191
-< DEV_ERR(&port->dev,"%s - Unable to send config request, "
----
-> dev_err(&port->dev, "%s - Unable to send config request, "
-250c218
-< DEV_ERR(&port->dev,"%s - out of memory.\n",
----
-> dev_err(&port->dev, "%s - out of memory.\n",
-256c224,225
-< for (i = 0; i < length; i++) buf[i] = cpu_to_le32(data[i]);
----
-> for (i = 0; i < length; i++)
-> buf[i] = cpu_to_le32(data[i]);
-259,268c228,231
-< result = usb_control_msg (
-< serial->dev,
-< usb_sndctrlpipe(serial->dev, 0),
-< request,
-< REQTYPE_HOST_TO_DEVICE,
-< 0x0000,
-< 0,
-< buf,
-< size,
-< 300);
----
-> result = usb_control_msg (serial->dev,
-> usb_sndctrlpipe(serial->dev, 0),
-> request, REQTYPE_HOST_TO_DEVICE, 0x0000,
-> 0, buf, size, 300);
-270,279c233,236
-< result = usb_control_msg (
-< serial->dev,
-< usb_sndctrlpipe(serial->dev, 0),
-< request,
-< REQTYPE_HOST_TO_DEVICE,
-< data[0],
-< 0,
-< NULL,
-< 0,
-< 300);
----
-> result = usb_control_msg (serial->dev,
-> usb_sndctrlpipe(serial->dev, 0),
-> request, REQTYPE_HOST_TO_DEVICE, data[0],
-> 0, NULL, 0, 300);
-285c242
-< DEV_ERR(&port->dev,"%s - Unable to send request, "
----
-> dev_err(&port->dev, "%s - Unable to send request, "
-292,301c249,252
-< result = usb_control_msg (
-< serial->dev,
-< usb_sndctrlpipe(serial->dev, 0),
-< request,
-< REQTYPE_HOST_TO_DEVICE,
-< data[0],
-< 0,
-< NULL,
-< 0,
-< 300);
----
-> result = usb_control_msg (serial->dev,
-> usb_sndctrlpipe(serial->dev, 0),
-> request, REQTYPE_HOST_TO_DEVICE, data[0],
-> 0, NULL, 0, 300);
-324c275
-< DEV_ERR(&port->dev, "%s - Unable to enable UART\n",
----
-> dev_err(&port->dev, "%s - Unable to enable UART\n",
-337c288
-< result = USB_SUBMIT_URB_KERNEL(port->read_urb);
----
-> result = usb_submit_urb(port->read_urb, GFP_KERNEL);
-339c290
-< DEV_ERR(&port->dev, "%s - failed resubmitting read urb, "
----
-> dev_err(&port->dev, "%s - failed resubmitting read urb, "
-359c310
-< if (serial != NULL && serial->dev) {
----
-> if (serial->dev) {
-362c313
-< USB_KILL_URB(port->write_urb);
----
-> usb_kill_urb(port->write_urb);
-364c315
-< USB_KILL_URB(port->read_urb);
----
-> usb_kill_urb(port->read_urb);
-366,374d316
-<
-< #if LINUX26
-< kfree (usb_get_serial_port_data(port));
-< usb_set_serial_port_data(port, NULL);
-< #else
-< /*TODOGLA: port.private maybe?
-< Nobody is using that at the moement in this driver*/
-< #endif
-<
-383,384c325,326
-< USB_KILL_URB(port->write_urb);
-< USB_KILL_URB(port->read_urb);
----
-> usb_kill_urb(port->write_urb);
-> usb_kill_urb(port->read_urb);
-615c557
-< DEV_ERR(&port->dev, "cp2101 driver does not "
----
-> dev_err(&port->dev, "cp2101 driver does not "
-625c567
-< DEV_ERR(&port->dev, "Baud rate requested not "
----
-> dev_err(&port->dev, "Baud rate requested not "
-656c598
-< DEV_ERR(&port->dev, "cp2101 driver does not "
----
-> dev_err(&port->dev, "cp2101 driver does not "
-663c605
-< DEV_ERR(&port->dev,"Number of data bits requested "
----
-> dev_err(&port->dev, "Number of data bits requested "
-680c622
-< DEV_ERR(&port->dev,"Parity mode not supported "
----
-> dev_err(&port->dev, "Parity mode not supported "
-695c637
-< DEV_ERR(&port->dev,"Number of stop bits requested "
----
-> dev_err(&port->dev, "Number of stop bits requested "
-789,827d730
-< static int cp2101_ioctl (struct usb_serial_port *port, struct file *file, unsigned int cmd, unsigned long arg)
-< {
-< dbg("%s (%d) cmd = 0x%04x", __FUNCTION__, port->number, cmd);
-<
-< switch (cmd) {
-<
-< #if !LINUX26
-< case TIOCMGET:
-< {
-< int result = cp2101_tiocmget(port, file);
-< if (copy_to_user(&arg, &result, sizeof(int)))
-< return -EFAULT;
-< }
-< break;
-<
-< case TIOCMSET:
-< case TIOCMBIS:
-<
-< case TIOCMBIC:
-< {
-< int val = 0;
-<
-< if (copy_from_user(&val, &arg, sizeof(int)))
-< return -EFAULT;
-<
-< if(cp2101_tiocmset(port, file, cmd==TIOCMBIC?0:val, cmd==TIOCMBIC?val:0))
-< return -EFAULT;
-< }
-< break;
-< #endif
-<
-< default:
-< dbg("%s not supported = 0x%04x", __FUNCTION__, cmd);
-< break;
-< }
-<
-< return -ENOIOCTLCMD;
-< }
-<
-843d745
-< #if LINUX26
-845,847d746
-< #else
-< cp2101_cleanup(&serial->port[i]);
-< #endif
-859,860c758
-< #if LINUX26
-< retval = usb_register(&cp2101_driver);
----
-> retval = usb_register(&cp2101_driver);
-866c764
-< #endif
----
->
-874d771
-< #if LINUX26
-876d772
-< #endif
-883a780
-> MODULE_VERSION(DRIVER_VERSION);
-886,887d782
-< #if LINUX26
-< MODULE_VERSION(DRIVER_VERSION);
-889,891d783
-< #else
-< MODULE_PARM(debug, "i");
-< #endif
+++ /dev/null
-# CP2101 Makefile
-
-ifeq ("$(src)", "")
- include Makefile.config
- include Makefile$(KVER1)$(KVER2)
-else
- include $(src)/Makefile.config
- include $(src)/Makefile$(KVER1)$(KVER2)
-endif
-
+++ /dev/null
-#
-# CP2101/CP2102/CP2103 USB to Serial Bridge Makefile
-#
-# (c) 2005-2006 Silicon Laboratories
-#
-# all - builds the modules, same as modules
-# modules - builds kernel module
-# install - installs driver
-# clean - removes all object code
-# distclean - remove everything resulting from building
-# mrproper - remove emacs debris
-#
-
-OBJS = cp2101.o
-
-SRC = cp2102.c
-
-
-include ./Makefile.config
-
-KVER=$(KVER1).$(KVER2).$(KVER3)
-MODULE=cp2101$(EXT)
-MODULES_DIR=$(INSTALL_PREFIX)/lib/modules
-MODULES_VER_DIR=$(MODULES_DIR)/$(KVER)
-
-# Rules
-
-all: modules
-
-clean:
- rm -f *.o .*.o.flags
- rm -f *.ko .*.o.cmd .*.ko.cmd *.mod.c
- rm -rf .tmp_versions
-
-distclean: clean mrproper
- rm -f Makefile.config
-
-install:
- ./installmod $(MODULE) $(MODULES_VER_DIR) $(MODULES_DIR)
-
-mrproper:
- rm -f *~
- rm -f Makefile.bak
-
-modules:
- make -C $(LINUX_KERNEL) SUBDIRS="`pwd`" modules
+++ /dev/null
-#
-
-EXTRA_CFLAGS += -I$(LINUX_KERNEL)/drivers/usb/serial
-
-obj-m += cp2101.o
-
-include $(TOPDIR)/Rules.make
+++ /dev/null
-# CP2101/CP2102/CP2103 2.6 makefile
-
-EXTRA_CFLAGS += -I$(LINUX_INCLUDE) -I$(LINUX_KERNEL)/drivers/usb/serial -DLINUX26
-
-obj-m := cp2101.o
-
-cp2101-objs := $(OBJS)
--- /dev/null
+To make the cp2101 driver from this code base:
+
+For older kernels (2.6.15-2.6.17):
+
+./configure
+vi cp2101.c
+ replace #include "usb-serial.h" with
+ #include "/path/to/usb-serial.h"
+ The file is found in linux source; may have to download it
+make -f Makefile.go all
+sudo make -f Makefile.go install
+to test: sudo modprobe cp2101, or plug in a device
+
+For newer kernels (2.6.20 and up):
+
+./configure -kver `uname -r`
+make -f Makefile.go all
+chmod a+x installmod
+sudo make -f Makefile.go install
+to test: sudo modprobe cp2101, or plug in a device
+++ /dev/null
-To make the cp2101 driver from this code base:
-
-For older kernels (2.6.15-2.6.17):
-
-./configure
-vi cp2101.c
- replace #include "usb-serial.h" with
- #include "/path/to/usb-serial.h"
- The file is found in linux source; may have to download it
-make -f Makefile.go all
-sudo make -f Makefile.go install
-to test: sudo modprobe cp2101, or plug in a device
-
-For newer kernels (2.6.20 and up):
-
-./configure -kver `uname -r`
-make -f Makefile.go all
-chmod a+x installmod
-sudo make -f Makefile.go install
-to test: sudo modprobe cp2101, or plug in a device
+++ /dev/null
-# -*-makefile-*-
-#
-# This file is a helper make file that makes building easier. It is meant
-# to be generic and is designed to be recycled by other drivers. The
-# comments should be clear enough. It partly comes from Linux Makefile,
-# and needs GNU make.
-
-# TOPDIR is declared by the Makefile including this file.
-ifndef TOPDIR
- TOPDIR = .
-endif
-
-# KERNELDIR can be speficied on the command line or environment
-# this may assuems a symbolic link has been set to /usr/src/linux
-ifndef KERNELDIR
- KERNELDIR = /usr/src/linux
-endif
-# The headers are taken from the kernel
- INCLUDEDIR = $(KERNELDIR)/include
-
-# We need the configuration file, for CONFIG_SMP and possibly other stuff
-# (especiall for RISC platforms, where CFLAGS depends on the exact
-# processor being used).
-#ifeq ($(KERNELDIR)/.config,$(wildcard $(KERNELDIR))/.config)
-# include $(KERNELDIR)/.config
-#else
-# MESSAGE := $(shell echo "WARNING: no .config file in $(KERNELDIR)")
-#endif
-
-# ARCH can be speficed on the comdline or env. too, and defaults to this arch
-# Unfortunately, we can't easily extract if from kernel configuration
-# (well, we could look athe asm- symlink... don't know if worth the effort)
-ifndef ARCH
- ARCH := $(shell uname -m | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ \
- -e s/arm.*/arm/ -e s/sa110/arm/)
-endif
-
-# This is useful if cross-compiling. Taken from kernel Makefile (CC changed)
-AS =$(CROSS_COMPILE)as
-LD =$(CROSS_COMPILE)ld
-CC =$(CROSS_COMPILE)gcc
-CPP =$(CC) -E
-AR =$(CROSS_COMPILE)ar
-NM =$(CROSS_COMPILE)nm
-STRIP =$(CROSS_COMPILE)strip
-OBJCOPY =$(CROSS_COMPILE)objcopy
-OBJDUMP =$(CROSS_COMPILE)objdump
-
-# The platform-specific Makefiles include portability nightmares.
-# Some platforms, though, don't have one, so check for existence first
-ARCHMAKEFILE = $(TOPDIR)/Makefile.$(ARCH)
-ifeq ($(ARCHMAKEFILE),$(wildcard $(ARCHMAKEFILE)))
- include $(ARCHMAKEFILE)
-endif
-
-# CFLAGS: all assignments to CFLAGS are inclremental, so you can specify
-# the initial flags on the command line or environment, if needed.
-
- CFLAGS += -Wall -D__KERNEL__ -DMODULE -I$(INCLUDEDIR)
-
-ifdef CONFIG_SMP
- CFLAGS += -D__SMP__ -DSMP
-endif
-
-# Prepend modversions.h if we're running with versioning.
-ifdef CONFIG_MODVERSIONS
- CFLAGS += -DMODVERSIONS -include $(KERNELDIR)/include/linux/modversions.h
-endif
-
-#Install dir
-VERSIONFILE = $(INCLUDEDIR)/linux/version.h
-VERSION = $(shell awk -F\" '/REL/ {print $$2}' $(VERSIONFILE))
-INSTALLDIR = /lib/modules/$(VERSION)/misc
+++ /dev/null
-#!/bin/bash
-
-function usage()
-{
- echo "Usage: $0 [option ...]"
- echo ""
- echo "Where 'option' can be one of the following:"
- echo " -kinc <path> Kernel header files."
- echo " -kpath <path> Kernel sources."
- echo " -kver <version> Kernel version."
- echo " -p <install folder> Prefix for installing the kernel module."
-}
-
-this_dir=`pwd`
-
-ARCH=""
-TARGET="linux"
-LINUX_KERNEL="/lib/modules/`uname -r`/build"
-KVER=""
-LIBPATH=""
-INSTALL_PREFIX=""
-CONFIG_FILE="Makefile.config"
-
-
-while (($# > 0)) ; do
- if [ "$1" == "-help" ] || [ "$1" == "-h" ] ; then
- usage
- exit 0
- elif [ "$1" == "-kinc" ] ; then
- if [ "$2" == "" ] ; then
- usage
- exit 1
- fi
- LINUX_INCLUDE="$2"
- shift 2
- elif [ "$1" == "-kpath" ] ; then
- if [ "$2" == "" ] ; then
- usage
- exit 1
- fi
- LINUX_KERNEL="$2"
- shift 2
- elif [ "$1" == "-kver" ] ; then
- if [ "$2" == "" ] ; then
- usage
- exit 1
- fi
- KVER="$2"
- shift 2
- elif [ "$1" == "-p" ] ; then
- if [ "$2" == "" ] ; then
- usage
- exit 1
- fi
- INSTALL_PREFIX="$2"
- shift 2
- else
- echo "ERROR: Unknown option $1"
- exit 1
- fi
-done
-
-if [ "$LINUX_INCLUDE" == "" ] ; then
- LINUX_INCLUDE="$LINUX_KERNEL/include"
-fi
-
-if [ ! -d "$LINUX_KERNEL" ] ; then
- echo "ERROR: $LINUX_KERNEL was not found."
- exit 1
-fi
-
-if [ ! -d "$LINUX_INCLUDE" ] ; then
- echo "ERROR: $LINUX_INCLUDE was not found."
- exit 1
-fi
-
-if [ "$KVER" == "" ] ; then
- if [ -f "$LINUX_INCLUDE/linux/version.h" ] ; then
- KVER=`grep UTS_RELEASE $LINUX_INCLUDE/linux/version.h | awk -- '{ if (FNR==1) { print $3 } }'`
- KVER=`echo $KVER | sed -e 's/"//g'`
- else
- echo "ERROR: $LINUX_INCLUDE/linux/version.h was not found. Configured kernel?"
- exit 1
- fi
-fi
-
-KVER1=`echo $KVER | awk -F . -- '{ print $1 }'`
-KVER2=`echo $KVER | awk -F . -- '{ print $2 }'`
-KVER3=`echo $KVER | sed -e "s/$KVER1\\.$KVER2\\.//g"`
-
-case $KVER2 in
- 4)
- makefile="Makefile24"
- EXT=".o"
- ;;
- 6)
- makefile="Makefile26"
- EXT=".ko"
- ;;
-esac
-
-echo "Kernel version : $KVER1.$KVER2.$KVER3"
-echo "Module extension : $EXT"
-echo "Kernel directory : $LINUX_KERNEL"
-echo "Include directory : $LINUX_INCLUDE"
-echo "Module install prefix : $INSTALL_PREFIX"
-
-
-rm -f $CONFIG_FILE
-echo "# Makefile.config" >>$CONFIG_FILE
-echo "# Automatically generated" >>$CONFIG_FILE
-echo "KVER1=$KVER1" >>$CONFIG_FILE
-echo "KVER2=$KVER2" >>$CONFIG_FILE
-echo "KVER3=$KVER3" >>$CONFIG_FILE
-echo "EXT=$EXT" >>$CONFIG_FILE
-echo "LINUX_KERNEL=$LINUX_KERNEL" >>$CONFIG_FILE
-echo "LINUX_INCLUDE=$LINUX_INCLUDE" >>$CONFIG_FILE
-echo "INSTALL_PREFIX=$INSTALL_PREFIX" >>$CONFIG_FILE
+++ /dev/null
-/*
- * Silicon Laboratories CP2101/CP2102/CP2103 USB to RS232 serial adaptor driver
- *
- * Copyright (C) 2005 Craig Shelley (craig@microtron.org.uk)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License version
- * 2 as published by the Free Software Foundation.
- *
- * Support to set flow control line levels using TIOCMGET and TIOCMSET
- * thanks to Karl Hiramoto karl@hiramoto.org. RTSCTS hardware flow
- * control thanks to Munir Nassar nassarmu@real-time.com
- *
- * Port configuration, usb descriptor and gpio management by R. Steve McKown
- * (smckown@titaniummirror.com).
- *
- * Outstanding Issues:
- * Buffers are not flushed when the port is opened.
- * Multiple calls to write() may fail with "Resource temporarily unavailable"
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/slab.h>
-#include <linux/tty.h>
-#include <linux/tty_flip.h>
-#include <linux/module.h>
-#include <linux/usb.h>
-#include <linux/version.h>
-#include <asm/uaccess.h>
-#include <linux/byteorder/generic.h>
-
-#ifndef KERNEL_VERSION
-#define KERNEL_VERSION(a,b,c) ((a)*65536 + (b)*256 + (c))
-#endif
-
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,0)
-#ifdef LINUX26
-#undef LINUX26
-#endif
-#define LINUX26
-#endif
-
-#ifdef LINUX26
-
-#include <linux/moduleparam.h>
-#include <linux/usb/serial.h>
-#define DEV_ERR(dev,format,arg...) dev_err(dev,format, ## arg)
-#define USB_KILL_URB usb_kill_urb
-
-#else /* !LINUX26 */
-
-#include <linux/config.h>
-#include "usb-serial.h"
-
-#ifdef CONFIG_USB_SERIAL_DEBUG
- static int debug = 1;
-#else
- static int debug;
-#endif
-
-#define DEV_ERR(dev,format,arg...) err(format, ## arg)
-#define USB_KILL_URB usb_unlink_urb
-
-#endif /* LINUX26 */
-
-/*
- * Version Information
- * RJM: updated to 0.11 for 2.6.15 and later kernels
- */
-#define DRIVER_VERSION "v0.11rsm"
-#define DRIVER_DESC "Silicon Labs CP2101/CP2102/CP2103 RS232 serial adaptor driver"
-
-/*
- * Function Prototypes
- */
-static int cp2101_open(struct usb_serial_port*, struct file*);
-static void cp2101_cleanup(struct usb_serial_port*);
-static void cp2101_close(struct usb_serial_port*, struct file*);
-static void cp2101_get_termios(struct usb_serial_port*);
-static void cp2101_set_termios(struct usb_serial_port*, struct termios*);
-static void cp2101_break_ctl(struct usb_serial_port*, int);
-static int cp2101_startup (struct usb_serial *);
-static void cp2101_shutdown(struct usb_serial*);
-static int cp2101_ioctl (struct usb_serial_port *port, struct file *file, unsigned int cmd, unsigned long arg);
-static int cp2101_tiocmget (struct usb_serial_port *, struct file *);
-static int cp2101_tiocmset (struct usb_serial_port *, struct file *, unsigned int, unsigned int);
-
-static int debug;
-
-static struct usb_device_id id_table [] = {
- { USB_DEVICE(0x0FCF, 0x1003) }, /* Dynastream ANT development board */
- { USB_DEVICE(0x10A6, 0xAA26) }, /* Knock-off DCU-11 cable */
- { USB_DEVICE(0x10AB, 0x10C5) }, /* Siemens MC60 Cable */
- { USB_DEVICE(0x10B5, 0xAC70) }, /* Nokia CA-42 USB */
- { USB_DEVICE(0x10C4, 0x803B) }, /* Pololu USB-serial converter */
- { USB_DEVICE(0x10C4, 0x8066) }, /* Argussoft In-System Programmer */
- { USB_DEVICE(0x10C4, 0x807A) }, /* Crumb128 board */
- { USB_DEVICE(0x10C4, 0x80CA) }, /* Degree Controls Inc */
- { USB_DEVICE(0x10C4, 0x80F6) }, /* Suunto sports instrument */
- { USB_DEVICE(0x10C4, 0x813D) }, /* Burnside Telecom Deskmobile */
- { USB_DEVICE(0x10C4, 0x814A) }, /* West Mountain Radio RIGblaster P&P */
- { USB_DEVICE(0x10C4, 0x814B) }, /* West Mountain Radio RIGtalk */
- { USB_DEVICE(0x10C4, 0x815E) }, /* Helicomm IP-Link 1220-DVM */
- { USB_DEVICE(0x10C4, 0x81C8) }, /* Lipowsky Industrie Elektronik GmbH, Baby-JTAG */
- { USB_DEVICE(0x10C4, 0x81E2) }, /* Lipowsky Industrie Elektronik GmbH, Baby-LIN */
- { USB_DEVICE(0x10C4, 0x8218) }, /* Lipowsky Industrie Elektronik GmbH, HARP-1 */
- { USB_DEVICE(0x10C4, 0xEA60) }, /* Silicon Labs factory default */
- { USB_DEVICE(0x10C4, 0xEA61) }, /* Silicon Labs factory default */
- { USB_DEVICE(0x13AD, 0x9999) }, /* Baltech card reader */
- { USB_DEVICE(0x16D6, 0x0001) }, /* Jablotron serial interface */
- { } /* Terminating Entry */
-};
-
-MODULE_DEVICE_TABLE (usb, id_table);
-
-#ifdef LINUX26
-static struct usb_driver cp2101_driver = {
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15)
- .owner = THIS_MODULE,
-#endif
- .name = "CP2101",
- .probe = usb_serial_probe,
- .disconnect = usb_serial_disconnect,
- .id_table = id_table,
-};
-#define USB_SUBMIT_URB_ATOMIC(_x_) usb_submit_urb(_x_ , GFP_ATOMIC)
-#define USB_SUBMIT_URB_KERNEL(_x_) usb_submit_urb(_x_ , GFP_KERNEL)
-
-#else /* LINUX26 */
-
-#define USB_SUBMIT_URB_ATOMIC(_x_) usb_submit_urb(_x_)
-#define USB_SUBMIT_URB_KERNEL(_x_) usb_submit_urb(_x_)
-#endif
-
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,15)
-static struct usb_serial_driver cp2101_device = {
- .driver = {
- .owner = THIS_MODULE,
- .name = "cp2101",
- },
-#else
-static struct usb_serial_device_type cp2101_device = {
- .owner = THIS_MODULE,
- .name = "CP2101/CP2102/CP2103 USB to UART Bridge",
-#endif
- .id_table = id_table,
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
- .num_interrupt_in = 0,
- .num_bulk_in = 0,
- .num_bulk_out = 0,
-#else
- .num_interrupt_in = NUM_DONT_CARE,
- .num_bulk_in = NUM_DONT_CARE,
- .num_bulk_out = NUM_DONT_CARE,
-#endif
- .num_ports = 1,
- .open = cp2101_open,
- .close = cp2101_close,
- .ioctl = cp2101_ioctl, /* GLA, Added backport */
- .break_ctl = cp2101_break_ctl,
- .set_termios = cp2101_set_termios,
-#ifdef LINUX26
- .tiocmget = cp2101_tiocmget,
- .tiocmset = cp2101_tiocmset,
- .attach = cp2101_startup,
-#else
- .startup = cp2101_startup,
-#endif
- .shutdown = cp2101_shutdown
-};
-
-/* Config request types */
-#define REQTYPE_HOST_TO_DEVICE 0x41
-#define REQTYPE_DEVICE_TO_HOST 0xc1
-
-/* Config SET requests. To GET, add 1 to the request number */
-#define CP2101_UART 0x00 /* Enable / Disable */
-#define CP2101_BAUDRATE 0x01 /* (BAUD_RATE_GEN_FREQ / baudrate) */
-#define CP2101_BITS 0x03 /* 0x(0)(databits)(parity)(stopbits) */
-#define CP2101_BREAK 0x05 /* On / Off */
-#define CP2101_CONTROL 0x07 /* Flow control line states */
-#define CP2101_MODEMCTL 0x13 /* Modem controls */
-#define CP2101_CONFIG_6 0x19 /* 6 bytes of config data ??? */
-
-/* CP2101_UART */
-#define UART_ENABLE 0x0001
-#define UART_DISABLE 0x0000
-
-/* CP2101_BAUDRATE */
-#define BAUD_RATE_GEN_FREQ 0x384000
-
-/* CP2101_BITS */
-#define BITS_DATA_MASK 0x0f00
-#define BITS_DATA_5 0x0500
-#define BITS_DATA_6 0x0600
-#define BITS_DATA_7 0x0700
-#define BITS_DATA_8 0x0800
-#define BITS_DATA_9 0x0900
-
-#define BITS_PARITY_MASK 0x00f0
-#define BITS_PARITY_NONE 0x0000
-#define BITS_PARITY_ODD 0x0010
-#define BITS_PARITY_EVEN 0x0020
-#define BITS_PARITY_MARK 0x0030
-#define BITS_PARITY_SPACE 0x0040
-
-#define BITS_STOP_MASK 0x000f
-#define BITS_STOP_1 0x0000
-#define BITS_STOP_1_5 0x0001
-#define BITS_STOP_2 0x0002
-
-/* CP2101_BREAK */
-#define BREAK_ON 0x0000
-#define BREAK_OFF 0x0001
-
-/* CP2101_CONTROL */
-#define CONTROL_DTR 0x0001
-#define CONTROL_RTS 0x0002
-#define CONTROL_CTS 0x0010
-#define CONTROL_DSR 0x0020
-#define CONTROL_RING 0x0040
-#define CONTROL_DCD 0x0080
-#define CONTROL_WRITE_DTR 0x0100
-#define CONTROL_WRITE_RTS 0x0200
-
-/* CP2103 ioctls */
-#define IOCTL_GPIOGET 0x8000 /* Get gpio bits */
-#define IOCTL_GPIOSET 0x8001 /* Set gpio bits */
-#define IOCTL_GPIOBIC 0x8002 /* Clear specific gpio bit(s) */
-#define IOCTL_GPIOBIS 0x8003 /* Set specific gpio bit(s) */
-
-/* CP210x ioctls principally used during initial device configuration */
-#define IOCTL_DEVICERESET 0x8004 /* Reset the cp210x */
-#define IOCTL_PORTCONFGET 0x8005 /* Get port configuration */
-#define IOCTL_PORTCONFSET 0x8006 /* Set port configuration */
-#define IOCTL_SETVID 0x8007 /* Set vendor id */
-#define IOCTL_SETPID 0x8008 /* Set product id */
-#define IOCTL_SETMFG 0x8009 /* Set manufacturer string */
-#define IOCTL_SETPRODUCT 0x800a /* Set product string */
-#define IOCTL_SETSERIAL 0x800b /* Set serial number string */
-#define IOCTL_SETDEVVER 0x800c /* set device version id */
-/* FIXME: where is IOCTL_SETMFG? */
-
-/* CP2103 GPIO */
-#define GPIO_0 0x01
-#define GPIO_1 0x02
-#define GPIO_2 0x04
-#define GPIO_3 0x08
-#define GPIO_MASK (GPIO_0|GPIO_1|GPIO_2|GPIO_3)
-
-/* GetDeviceVersion() return codes */
-#define CP210x_CP2101_VERSION 0x01
-#define CP210x_CP2102_VERSION 0x02
-#define CP210x_CP2103_VERSION 0x03
-
-/* Return codes */
-#define CP210x_SUCCESS 0x00
-#define CP210x_DEVICE_NOT_FOUND 0xFF
-#define CP210x_INVALID_HANDLE 0x01
-#define CP210x_INVALID_PARAMETER 0x02
-#define CP210x_DEVICE_IO_FAILED 0x03
-#define CP210x_FUNCTION_NOT_SUPPORTED 0x04
-#define CP210x_GLOBAL_DATA_ERROR 0x05
-#define CP210x_FILE_ERROR 0x06
-#define CP210x_COMMAND_FAILED 0x08
-#define CP210x_INVALID_ACCESS_TYPE 0x09
-
-/* USB descriptor sizes */
-#define CP210x_MAX_DEVICE_STRLEN 256
-#define CP210x_MAX_PRODUCT_STRLEN 126
-#define CP210x_MAX_SERIAL_STRLEN 63
-#define CP210x_MAX_MAXPOWER 250
-
-/* Used to pass variable sized buffers between user and kernel space (ioctls) */
-typedef struct {
- char* buf;
- size_t len;
-} cp2101_buffer_t;
-
-/* Port config definitions */
-typedef struct {
- uint16_t mode; /* Push-pull = 1, Open-drain = 0 */
- uint16_t lowPower;
- uint16_t latch; /* Logic high = 1, Logic low = 0 */
-} cp2101_port_state_t;
-
-typedef struct {
- cp2101_port_state_t reset;
- cp2101_port_state_t suspend;
- uint8_t enhancedFxn;
-} cp2101_port_config_t;
-
-#define PORT_CONFIG_LEN 13 /* Because sizeof() will pad to full words */
-
-
-/*
- * cp2101_buf_from_user
- * Copy a buffer from user space, returning the number of bytes copied
- * from ubuf.buf into kbuf. klen is the size of the buffer at kbuf.
- */
-size_t copy_buf_from_user(char* kbuf, unsigned long ubuf, size_t klen)
-{
- cp2101_buffer_t t;
-
- if (!kbuf || !ubuf || !klen || copy_from_user(&t, (cp2101_buffer_t *)ubuf,
- sizeof(t)))
- return 0;
- if (t.len < klen)
- klen = t.len;
- if (!t.buf || !t.len || copy_from_user(kbuf, t.buf, klen))
- return 0;
- return klen;
-}
-
-/*
- * cp2101_get_config
- * Reads from the CP2101 configuration registers
- * 'size' is specified in bytes.
- * 'data' is a pointer to a pre-allocated array of integers large
- * enough to hold 'size' bytes (with 4 bytes to each integer)
- */
-static int cp2101_get_config(struct usb_serial_port* port, u8 request,
- unsigned int *data, int size)
-{
- struct usb_serial *serial = port->serial;
- u32 *buf;
- int result, i, length;
-
- /* Number of integers required to contain the array */
- length = (((size - 1) | 3) + 1)/4;
-
- buf = kmalloc (length * sizeof(u32), GFP_KERNEL);
- memset(buf, 0, length * sizeof(u32));
-
- if (!buf) {
- DEV_ERR(&port->dev,"%s - out of memory.\n", __FUNCTION__);
- return -ENOMEM;
- }
-
- /* For get requests, the request number must be incremented */
- request++;
-
- /* Issue the request, attempting to read 'size' bytes */
- result = usb_control_msg (
- serial->dev,
- usb_rcvctrlpipe (serial->dev, 0),
- request,
- REQTYPE_DEVICE_TO_HOST,
- 0x0000,
- 0,
- buf,
- size,
- 300);
-
- /* Convert data into an array of integers */
- for (i=0; i<length; i++) data[i] = le32_to_cpu(buf[i]);
-
- kfree(buf);
-
- if (result != size) {
- DEV_ERR(&port->dev,"%s - Unable to send config request, "
- "request=0x%x size=%d result=%d\n",
- __FUNCTION__, request, size, result);
- return -EPROTO;
- }
-
- return 0;
-}
-
-/*
- * cp2101_set_config
- * Writes to the CP2101 configuration registers
- * Values less than 16 bits wide are sent directly
- * 'size' is specified in bytes.
- */
-static int cp2101_set_config(struct usb_serial_port* port, u8 request,
- unsigned int *data, int size)
-{
- struct usb_serial *serial = port->serial;
- u32 *buf;
- int result, i, length;
-
- /* Number of integers required to contain the array */
- length = (((size - 1) | 3) + 1)/4;
-
- buf = kmalloc(length * sizeof(u32), GFP_KERNEL);
- if (!buf) {
- DEV_ERR(&port->dev,"%s - out of memory.\n",
- __FUNCTION__);
- return -ENOMEM;
- }
-
- /* Array of integers into bytes */
- for (i = 0; i < length; i++) buf[i] = cpu_to_le32(data[i]);
-
- if (size > 2) {
- result = usb_control_msg (
- serial->dev,
- usb_sndctrlpipe(serial->dev, 0),
- request,
- REQTYPE_HOST_TO_DEVICE,
- 0x0000,
- 0,
- buf,
- size,
- 300);
- } else {
- result = usb_control_msg (
- serial->dev,
- usb_sndctrlpipe(serial->dev, 0),
- request,
- REQTYPE_HOST_TO_DEVICE,
- data[0],
- 0,
- NULL,
- 0,
- 300);
- }
-
- kfree(buf);
-
- if ((size > 2 && result != size) || result < 0) {
- DEV_ERR(&port->dev,"%s - Unable to send request, "
- "request=0x%x size=%d result=%d\n",
- __FUNCTION__, request, size, result);
- return -EPROTO;
- }
-
- /* Single data value */
- result = usb_control_msg (
- serial->dev,
- usb_sndctrlpipe(serial->dev, 0),
- request,
- REQTYPE_HOST_TO_DEVICE,
- data[0],
- 0,
- NULL,
- 0,
- 300);
- return 0;
-}
-
-/*
- * cp2101_set_config_single
- * Convenience function for calling cp2101_set_config on single data values
- * without requiring an integer pointer
- */
-static inline int cp2101_set_config_single(struct usb_serial_port* port,
- u8 request, unsigned int data)
-{
- return cp2101_set_config(port, request, &data, 2);
-}
-
-/*
- * cp2101_ctlmsg
- * A generic usb control message interface.
- * Returns the actual size of the data read or written within the message, 0
- * if no data were read or written, or a negative value to indicate an error.
- */
-static int cp2101_ctlmsg(struct usb_serial_port* port, u8 request,
- u8 requestype, u16 value, u16 index, void* data, u16 size)
-{
- struct usb_device *dev = port->serial->dev;
- u8 *tbuf;
- int ret;
-
- if (!(tbuf = kmalloc(size, GFP_KERNEL)))
- return -ENOMEM;
- if (requestype & 0x80) {
- ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), request,
- requestype, value, index, tbuf, size, 300);
- if (ret > 0 && size)
- memcpy(data, tbuf, size);
- } else {
- if (size)
- memcpy(tbuf, data, size);
- ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), request,
- requestype, value, index, tbuf, size, 300);
- }
- kfree(tbuf);
- if (ret < 0 && ret != -EPIPE) {
- dev_printk(KERN_DEBUG, &dev->dev, "cp2101: control failed cmd rqt %u "
- "rq %u len %u ret %d\n", requestype, request, size, ret);
- }
- return ret;
-}
-
-static int cp2101_reset(struct usb_serial_port *port)
-{
- dbg("%s", __FUNCTION__);
-
-#if 1
- /* Is this better than usb_device_reset? It may be. Once a client issues
- * the reset ioctl, it must disconnect and reconnect, since the USB
- * connections are torn down. We also ignore the error return, since the
- * part resets and doesn't send one...
- */
- cp2101_ctlmsg(port, 0xff, 0x40, 0x0008, 0x00, 0, 0);
-#else
- usb_reset_device(port->serial->dev);
-#endif
- return 0;
-}
-
-static int cp2101_get_partnum(struct usb_serial_port *port)
-{
- static u8 _partnum = 0;
- int ret = CP210x_SUCCESS;
- if (!_partnum) {
- u8 addr = port->serial->dev->actconfig->interface[0]->cur_altsetting->
- endpoint[0].desc.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
-
- if (addr == 0x03 || addr == 0x02) /* The part is a cp2101 */
- _partnum = 0x01;
- else if (addr == 0x01) /* Must query part to determine part number */
- ret = (cp2101_ctlmsg(port, 0xff, 0xc0, 0x370b, 0x00, &_partnum, 1)
- == 1) ? CP210x_SUCCESS : CP210x_DEVICE_IO_FAILED;
- else
- ret = CP210x_DEVICE_IO_FAILED;
- }
- dbg("%s - partnum %u err %d", __FUNCTION__, _partnum, ret);
- return (ret == CP210x_SUCCESS) ? _partnum : 0;
-}
-
-inline int cp2101_setu16(struct usb_serial_port *port, int cmd,
- unsigned int value)
-{
- return cp2101_ctlmsg(port, 0xff, 0x40, 3700 | (cmd & 0xff), value, 0, 0);
-}
-
-/* Populates usbstr with: (len) + (0x03) + unicode(str). Each char in str
- * takes up two bytes in unicode format, so the resulting len(usbstr) is
- * 2 * len(str) + 2.
- * Returns the resulting length of the string in usbstr.
- * This function can accept overlapping usbstr and str as long as the overlap
- * does not cause data written to usbstr to overwrite data not yet read from
- * str.
- */
-static int make_usb_string(char* usbstr, size_t usblen, char* src,
- size_t srclen)
-{
- int len = 0;
-
- if (usbstr && usblen >= 2 && src && *src && srclen) {
- char* p;
-
- /* The usb string format uses a single byte to represent length */
- if (usblen > 256)
- usblen = 256;
-
- p = usbstr + 1;
- *p++ = 0x03;
- len = 2;
- while (srclen && len < usblen) {
- *p++ = *src++;
- *p++ = 0;
- len += 2;
- srclen--;
- }
- *usbstr = (char)len;
- }
- return len;
-}
-
-/*
- * cp2101_setstr
- *
- * Set a USB string descriptor using proprietary cp210x control messages.
- * Return the number of characters actually written.
- */
-inline int cp2101_setstr(struct usb_serial_port *port, int cmd, char *usbstr)
-{
- unsigned len = usbstr[0];
- int ret = cp2101_ctlmsg(port, 0xff, 0x40, 0x3700 | (cmd & 0xff), 0, usbstr,
- len);
- dbg("%s - cmd 0x%02x len %d ret %d", __FUNCTION__, cmd, len, ret);
- return ret;
-}
-
-static int cp2101_open (struct usb_serial_port *port, struct file *filp)
-{
- struct usb_serial *serial = port->serial;
- int result;
-
- dbg("%s - port %d", __FUNCTION__, port->number);
-
- if (cp2101_set_config_single(port, CP2101_UART, UART_ENABLE)) {
- DEV_ERR(&port->dev, "%s - Unable to enable UART\n",
- __FUNCTION__);
- return -EPROTO;
- }
-
- /* Start reading from the device */
- usb_fill_bulk_urb (port->read_urb, serial->dev,
- usb_rcvbulkpipe(serial->dev,
- port->bulk_in_endpointAddress),
- port->read_urb->transfer_buffer,
- port->read_urb->transfer_buffer_length,
- serial->type->read_bulk_callback,
- port);
- result = USB_SUBMIT_URB_KERNEL(port->read_urb);
- if (result) {
- DEV_ERR(&port->dev, "%s - failed resubmitting read urb, "
- "error %d\n", __FUNCTION__, result);
- return result;
- }
-
- /* Configure the termios structure */
- cp2101_get_termios(port);
-
- /* Set the DTR and RTS pins low */
- cp2101_tiocmset(port, NULL, TIOCM_DTR | TIOCM_RTS, 0);
-
- return 0;
-}
-
-static void cp2101_cleanup (struct usb_serial_port *port)
-{
- struct usb_serial *serial = port->serial;
-
- dbg("%s - port %d", __FUNCTION__, port->number);
-
- if (serial != NULL && serial->dev) {
- /* shutdown any bulk reads that might be going on */
- if (serial->num_bulk_out)
- USB_KILL_URB(port->write_urb);
- if (serial->num_bulk_in)
- USB_KILL_URB(port->read_urb);
- }
-
-#ifdef LINUX26
- kfree (usb_get_serial_port_data(port));
- usb_set_serial_port_data(port, NULL);
-#else
- /*TODOGLA: port.private maybe?
- Nobody is using that at the moement in this driver*/
-#endif
-
-}
-
-static void cp2101_close (struct usb_serial_port *port, struct file * filp)
-{
- dbg("%s - port %d", __FUNCTION__, port->number);
-
- /* shutdown our urbs */
- dbg("%s - shutting down urbs", __FUNCTION__);
- USB_KILL_URB(port->write_urb);
- USB_KILL_URB(port->read_urb);
-
- cp2101_set_config_single(port, CP2101_UART, UART_DISABLE);
-}
-
-/*
- * cp2101_get_termios
- * Reads the baud rate, data bits, parity, stop bits and flow control mode
- * from the device, corrects any unsupported values, and configures the
- * termios structure to reflect the state of the device
- */
-static void cp2101_get_termios (struct usb_serial_port *port)
-{
- unsigned int cflag, modem_ctl[4];
- int baud;
- int bits;
-
- dbg("%s - port %d", __FUNCTION__, port->number);
-
- if ((!port->tty) || (!port->tty->termios)) {
- dbg("%s - no tty structures", __FUNCTION__);
- return;
- }
- cflag = port->tty->termios->c_cflag;
-
- cp2101_get_config(port, CP2101_BAUDRATE, &baud, 2);
- /* Convert to baudrate */
- if (baud)
- baud = BAUD_RATE_GEN_FREQ / baud;
-
- dbg("%s - baud rate = %d", __FUNCTION__, baud);
- cflag &= ~CBAUD;
- switch (baud) {
- /*
- * The baud rates which are commented out below
- * appear to be supported by the device
- * but are non-standard
- */
- case 600: cflag |= B600; break;
- case 1200: cflag |= B1200; break;
- case 1800: cflag |= B1800; break;
- case 2400: cflag |= B2400; break;
- case 4800: cflag |= B4800; break;
- /*case 7200: cflag |= B7200; break;*/
- case 9600: cflag |= B9600; break;
- /*case 14400: cflag |= B14400; break;*/
- case 19200: cflag |= B19200; break;
- /*case 28800: cflag |= B28800; break;*/
- case 38400: cflag |= B38400; break;
- /*case 55854: cflag |= B55054; break;*/
- case 57600: cflag |= B57600; break;
- case 115200: cflag |= B115200; break;
- /*case 127117: cflag |= B127117; break;*/
- case 230400: cflag |= B230400; break;
- case 460800: cflag |= B460800; break;
- case 921600: cflag |= B921600; break;
- /*case 3686400: cflag |= B3686400; break;*/
- default:
- dbg("%s - Baud rate is not supported, "
- "using 9600 baud", __FUNCTION__);
- cflag |= B9600;
- cp2101_set_config_single(port, CP2101_BAUDRATE,
- (BAUD_RATE_GEN_FREQ/9600));
- break;
- }
-
- cp2101_get_config(port, CP2101_BITS, &bits, 2);
- cflag &= ~CSIZE;
- switch(bits & BITS_DATA_MASK) {
- case BITS_DATA_5:
- dbg("%s - data bits = 5", __FUNCTION__);
- cflag |= CS5;
- break;
- case BITS_DATA_6:
- dbg("%s - data bits = 6", __FUNCTION__);
- cflag |= CS6;
- break;
- case BITS_DATA_7:
- dbg("%s - data bits = 7", __FUNCTION__);
- cflag |= CS7;
- break;
- case BITS_DATA_8:
- dbg("%s - data bits = 8", __FUNCTION__);
- cflag |= CS8;
- break;
- case BITS_DATA_9:
- dbg("%s - data bits = 9 (not supported, "
- "using 8 data bits)", __FUNCTION__);
- cflag |= CS8;
- bits &= ~BITS_DATA_MASK;
- bits |= BITS_DATA_8;
- cp2101_set_config(port, CP2101_BITS, &bits, 2);
- break;
- default:
- dbg("%s - Unknown number of data bits, "
- "using 8", __FUNCTION__);
- cflag |= CS8;
- bits &= ~BITS_DATA_MASK;
- bits |= BITS_DATA_8;
- cp2101_set_config(port, CP2101_BITS, &bits, 2);
- break;
- }
-
- switch(bits & BITS_PARITY_MASK) {
- case BITS_PARITY_NONE:
- dbg("%s - parity = NONE", __FUNCTION__);
- cflag &= ~PARENB;
- break;
- case BITS_PARITY_ODD:
- dbg("%s - parity = ODD", __FUNCTION__);
- cflag |= (PARENB|PARODD);
- break;
- case BITS_PARITY_EVEN:
- dbg("%s - parity = EVEN", __FUNCTION__);
- cflag &= ~PARODD;
- cflag |= PARENB;
- break;
- case BITS_PARITY_MARK:
- dbg("%s - parity = MARK (not supported, "
- "disabling parity)", __FUNCTION__);
- cflag &= ~PARENB;
- bits &= ~BITS_PARITY_MASK;
- cp2101_set_config(port, CP2101_BITS, &bits, 2);
- break;
- case BITS_PARITY_SPACE:
- dbg("%s - parity = SPACE (not supported, "
- "disabling parity)", __FUNCTION__);
- cflag &= ~PARENB;
- bits &= ~BITS_PARITY_MASK;
- cp2101_set_config(port, CP2101_BITS, &bits, 2);
- break;
- default:
- dbg("%s - Unknown parity mode, "
- "disabling parity", __FUNCTION__);
- cflag &= ~PARENB;
- bits &= ~BITS_PARITY_MASK;
- cp2101_set_config(port, CP2101_BITS, &bits, 2);
- break;
- }
-
- cflag &= ~CSTOPB;
- switch(bits & BITS_STOP_MASK) {
- case BITS_STOP_1:
- dbg("%s - stop bits = 1", __FUNCTION__);
- break;
- case BITS_STOP_1_5:
- dbg("%s - stop bits = 1.5 (not supported, "
- "using 1 stop bit)", __FUNCTION__);
- bits &= ~BITS_STOP_MASK;
- cp2101_set_config(port, CP2101_BITS, &bits, 2);
- break;
- case BITS_STOP_2:
- dbg("%s - stop bits = 2", __FUNCTION__);
- cflag |= CSTOPB;
- break;
- default:
- dbg("%s - Unknown number of stop bits, "
- "using 1 stop bit", __FUNCTION__);
- bits &= ~BITS_STOP_MASK;
- cp2101_set_config(port, CP2101_BITS, &bits, 2);
- break;
- }
-
- cp2101_get_config(port, CP2101_MODEMCTL, modem_ctl, 16);
- if (modem_ctl[0] & 0x0008) {
- dbg("%s - flow control = CRTSCTS", __FUNCTION__);
- cflag |= CRTSCTS;
- } else {
- dbg("%s - flow control = NONE", __FUNCTION__);
- cflag &= ~CRTSCTS;
- }
-
- port->tty->termios->c_cflag = cflag;
-}
-
-static void cp2101_set_termios (struct usb_serial_port *port,
- struct termios *old_termios)
-{
- unsigned int cflag, old_cflag=0;
- int baud=0, bits;
- unsigned int modem_ctl[4];
-
- dbg("%s - port %d", __FUNCTION__, port->number);
-
- if ((!port->tty) || (!port->tty->termios)) {
- dbg("%s - no tty structures", __FUNCTION__);
- return;
- }
- cflag = port->tty->termios->c_cflag;
-
- /* Check that they really want us to change something */
- if (old_termios) {
- if ((cflag == old_termios->c_cflag) &&
- (RELEVANT_IFLAG(port->tty->termios->c_iflag)
- == RELEVANT_IFLAG(old_termios->c_iflag))) {
- dbg("%s - nothing to change...", __FUNCTION__);
- return;
- }
-
- old_cflag = old_termios->c_cflag;
- }
-
- /* If the baud rate is to be updated*/
- if ((cflag & CBAUD) != (old_cflag & CBAUD)) {
- switch (cflag & CBAUD) {
- /*
- * The baud rates which are commented out below
- * appear to be supported by the device
- * but are non-standard
- */
- case B0: baud = 0; break;
- case B600: baud = 600; break;
- case B1200: baud = 1200; break;
- case B1800: baud = 1800; break;
- case B2400: baud = 2400; break;
- case B4800: baud = 4800; break;
- /*case B7200: baud = 7200; break;*/
- case B9600: baud = 9600; break;
- /*ase B14400: baud = 14400; break;*/
- case B19200: baud = 19200; break;
- /*case B28800: baud = 28800; break;*/
- case B38400: baud = 38400; break;
- /*case B55854: baud = 55054; break;*/
- case B57600: baud = 57600; break;
- case B115200: baud = 115200; break;
- /*case B127117: baud = 127117; break;*/
- case B230400: baud = 230400; break;
- case B460800: baud = 460800; break;
- case B921600: baud = 921600; break;
- /*case B3686400: baud = 3686400; break;*/
- default:
- DEV_ERR(&port->dev, "cp2101 driver does not "
- "support the baudrate requested\n");
- break;
- }
-
- if (baud) {
- dbg("%s - Setting baud rate to %d baud", __FUNCTION__,
- baud);
- if (cp2101_set_config_single(port, CP2101_BAUDRATE,
- (BAUD_RATE_GEN_FREQ / baud)))
- DEV_ERR(&port->dev, "Baud rate requested not "
- "supported by device\n");
- }
- }
-
- /* If the number of data bits is to be updated */
- if ((cflag & CSIZE) != (old_cflag & CSIZE)) {
- cp2101_get_config(port, CP2101_BITS, &bits, 2);
- bits &= ~BITS_DATA_MASK;
- switch (cflag & CSIZE) {
- case CS5:
- bits |= BITS_DATA_5;
- dbg("%s - data bits = 5", __FUNCTION__);
- break;
- case CS6:
- bits |= BITS_DATA_6;
- dbg("%s - data bits = 6", __FUNCTION__);
- break;
- case CS7:
- bits |= BITS_DATA_7;
- dbg("%s - data bits = 7", __FUNCTION__);
- break;
- case CS8:
- bits |= BITS_DATA_8;
- dbg("%s - data bits = 8", __FUNCTION__);
- break;
- /*case CS9:
- bits |= BITS_DATA_9;
- dbg("%s - data bits = 9", __FUNCTION__);
- break;*/
- default:
- DEV_ERR(&port->dev, "cp2101 driver does not "
- "support the number of bits requested,"
- " using 8 bit mode\n");
- bits |= BITS_DATA_8;
- break;
- }
- if (cp2101_set_config(port, CP2101_BITS, &bits, 2))
- DEV_ERR(&port->dev,"Number of data bits requested "
- "not supported by device\n");
- }
-
- if ((cflag & (PARENB|PARODD)) != (old_cflag & (PARENB|PARODD))) {
- cp2101_get_config(port, CP2101_BITS, &bits, 2);
- bits &= ~BITS_PARITY_MASK;
- if (cflag & PARENB) {
- if (cflag & PARODD) {
- bits |= BITS_PARITY_ODD;
- dbg("%s - parity = ODD", __FUNCTION__);
- } else {
- bits |= BITS_PARITY_EVEN;
- dbg("%s - parity = EVEN", __FUNCTION__);
- }
- }
- if (cp2101_set_config(port, CP2101_BITS, &bits, 2))
- DEV_ERR(&port->dev,"Parity mode not supported "
- "by device\n");
- }
-
- if ((cflag & CSTOPB) != (old_cflag & CSTOPB)) {
- cp2101_get_config(port, CP2101_BITS, &bits, 2);
- bits &= ~BITS_STOP_MASK;
- if (cflag & CSTOPB) {
- bits |= BITS_STOP_2;
- dbg("%s - stop bits = 2", __FUNCTION__);
- } else {
- bits |= BITS_STOP_1;
- dbg("%s - stop bits = 1", __FUNCTION__);
- }
- if (cp2101_set_config(port, CP2101_BITS, &bits, 2))
- DEV_ERR(&port->dev,"Number of stop bits requested "
- "not supported by device\n");
- }
-
- if ((cflag & CRTSCTS) != (old_cflag & CRTSCTS)) {
- cp2101_get_config(port, CP2101_MODEMCTL, modem_ctl, 16);
- dbg("%s - read modem controls = 0x%.4x 0x%.4x 0x%.4x 0x%.4x",
- __FUNCTION__, modem_ctl[0], modem_ctl[1],
- modem_ctl[2], modem_ctl[3]);
-
- if (cflag & CRTSCTS) {
- modem_ctl[0] &= ~0x7B;
- modem_ctl[0] |= 0x09;
- modem_ctl[1] = 0x80;
- dbg("%s - flow control = CRTSCTS", __FUNCTION__);
- } else {
- modem_ctl[0] &= ~0x7B;
- modem_ctl[0] |= 0x01;
- modem_ctl[1] |= 0x40;
- dbg("%s - flow control = NONE", __FUNCTION__);
- }
-
- dbg("%s - write modem controls = 0x%.4x 0x%.4x 0x%.4x 0x%.4x",
- __FUNCTION__, modem_ctl[0], modem_ctl[1],
- modem_ctl[2], modem_ctl[3]);
- cp2101_set_config(port, CP2101_MODEMCTL, modem_ctl, 16);
- }
-
-}
-
-static int cp2101_tiocmset (struct usb_serial_port *port, struct file *file,
- unsigned int set, unsigned int clear)
-{
- int control = 0;
-
- dbg("%s - port %d", __FUNCTION__, port->number);
-
- if (set & TIOCM_RTS) {
- control |= CONTROL_RTS;
- control |= CONTROL_WRITE_RTS;
- }
- if (set & TIOCM_DTR) {
- control |= CONTROL_DTR;
- control |= CONTROL_WRITE_DTR;
- }
- if (clear & TIOCM_RTS) {
- control &= ~CONTROL_RTS;
- control |= CONTROL_WRITE_RTS;
- }
- if (clear & TIOCM_DTR) {
- control &= ~CONTROL_DTR;
- control |= CONTROL_WRITE_DTR;
- }
-
- dbg("%s - control = 0x%.4x", __FUNCTION__, control);
-
- return cp2101_set_config(port, CP2101_CONTROL, &control, 2);
-
-}
-
-static int cp2101_tiocmget (struct usb_serial_port *port, struct file *file)
-{
- int control, result;
-
- dbg("%s - port %d", __FUNCTION__, port->number);
-
- cp2101_get_config(port, CP2101_CONTROL, &control, 1);
-
- result = ((control & CONTROL_DTR) ? TIOCM_DTR : 0)
- |((control & CONTROL_RTS) ? TIOCM_RTS : 0)
- |((control & CONTROL_CTS) ? TIOCM_CTS : 0)
- |((control & CONTROL_DSR) ? TIOCM_DSR : 0)
- |((control & CONTROL_RING)? TIOCM_RI : 0)
- |((control & CONTROL_DCD) ? TIOCM_CD : 0);
-
- dbg("%s - control = 0x%.2x", __FUNCTION__, control);
-
- return result;
-}
-
-static void cp2101_break_ctl (struct usb_serial_port *port, int break_state)
-{
- int state;
-
- dbg("%s - port %d", __FUNCTION__, port->number);
- if (break_state == 0)
- state = BREAK_OFF;
- else
- state = BREAK_ON;
- dbg("%s - turning break %s", __FUNCTION__,
- state==BREAK_OFF ? "off" : "on");
- cp2101_set_config(port, CP2101_BREAK, &state, 2);
-}
-
-/* Set all gpio simultaneously */
-static int cp2101_gpioset(struct usb_serial_port *port, u8 gpio)
-{
- dbg("%s - port %d, gpio = 0x%.2x", __FUNCTION__, port->number, gpio);
-
- return cp2101_ctlmsg(port, 0xff, 0x40, 0x37e1,
- ((uint16_t)gpio << 8) | GPIO_MASK, 0, 0);
-}
-
-/* Set select gpio bits */
-static int cp2101_gpiosetb(struct usb_serial_port *port, u8 set, u8 clear)
-{
- u16 gpio = 0;
-
- /* The bitmask is in the LSB, the values in the MSB */
- if (set & GPIO_0)
- gpio |= (GPIO_0 << 8)|GPIO_0;
- if (set & GPIO_1)
- gpio |= (GPIO_1 << 8)|GPIO_1;
- if (set & GPIO_2)
- gpio |= (GPIO_2 << 8)|GPIO_2;
- if (set & GPIO_3)
- gpio |= (GPIO_3 << 8)|GPIO_3;
- if (clear & GPIO_0)
- gpio = (gpio & ~(GPIO_0 << 8))|GPIO_0;
- if (clear & GPIO_1)
- gpio = (gpio & ~(GPIO_1 << 8))|GPIO_1;
- if (clear & GPIO_2)
- gpio = (gpio & ~(GPIO_2 << 8))|GPIO_2;
- if (clear & GPIO_3)
- gpio = (gpio & ~(GPIO_3 << 8))|GPIO_3;
-
- dbg("%s - port %d, gpiob = 0x%.4x", __FUNCTION__, port->number, gpio);
-
- /* FIXME: how about REQTYPE_HOST_TO_DEVICE instead of 0x40? */
- return cp2101_ctlmsg(port, 0xff, 0x40, 0x37e1, gpio, 0, 0);
-}
-
-static int cp2101_gpioget(struct usb_serial_port *port, u8* gpio)
-{
- int ret;
-
- dbg("%s - port %d", __FUNCTION__, port->number);
-
- /* FIXME: how about REQTYPE_DEVICE_TO_HOST instead of 0xc0? */
- ret = cp2101_ctlmsg(port, 0xff, 0xc0, 0x00c2, 0, gpio, 1);
-
- dbg("%s - gpio = 0x%.2x (%d)", __FUNCTION__, *gpio, ret);
-
- return (ret == 1) ? 0 : -1;
-}
-
-static int cp2101_portconfset(struct usb_serial_port *port,
- cp2101_port_config_t* config)
-{
- cp2101_port_config_t lconfig;
- int ret;
-
- dbg("%s", __FUNCTION__);
-
- memcpy(&lconfig, config, sizeof(lconfig));
-
- /* apparently not implemented yet */
- lconfig.suspend.lowPower = 0;
- lconfig.reset.lowPower = 0;
-
- /* Words from cp2103 are MSB */
- lconfig.reset.mode = cpu_to_be16(config->reset.mode);
- /* lconfig.reset.lowPower = cpu_to_be16(config->reset.lowPower); */
- lconfig.reset.latch = cpu_to_be16(config->reset.latch);
- lconfig.suspend.mode = cpu_to_be16(config->suspend.mode);
- /* lconfig.suspend.lowPower = cpu_to_be16(config->suspend.lowPower); */
- lconfig.suspend.latch = cpu_to_be16(config->suspend.latch);
-
- ret = cp2101_ctlmsg(port, 0xff, 0x40, 0x370c, 0, &lconfig, PORT_CONFIG_LEN);
- if (ret == PORT_CONFIG_LEN)
- return 0;
- else if (ret >= 0)
- return -1;
- else
- return ret;
-}
-
-static int cp2101_portconfget(struct usb_serial_port *port,
- cp2101_port_config_t* config)
-{
- int ret;
-
- dbg("%s", __FUNCTION__);
-
- ret = cp2101_ctlmsg(port, 0xff, 0xc0, 0x370c, 0, config, PORT_CONFIG_LEN);
- if (ret == PORT_CONFIG_LEN) {
- /* Words from cp2103 are MSB */
- config->reset.mode = be16_to_cpu(config->reset.mode);
- config->reset.lowPower = be16_to_cpu(config->reset.lowPower);
- config->reset.latch = be16_to_cpu(config->reset.latch);
- config->suspend.mode = be16_to_cpu(config->suspend.mode);
- config->suspend.lowPower = be16_to_cpu(config->suspend.lowPower);
- config->suspend.latch = be16_to_cpu(config->suspend.latch);
-
- /* apparently not implemented yet */
- config->reset.lowPower = 0;
- config->suspend.lowPower = 0;
-
- return 0;
- } else if (ret >= 0)
- return -1;
- else
- return ret;
-
-}
-
-static int cp2101_ioctl (struct usb_serial_port *port, struct file *file,
- unsigned int cmd, unsigned long arg)
-{
- dbg("%s (%d) cmd = 0x%04x", __FUNCTION__, port->number, cmd);
-
- switch (cmd) {
-
-#ifndef LINUX26
- case TIOCMGET:
- {
- int result = cp2101_tiocmget(port, file);
- if (copy_to_user(&arg, &result, sizeof(int)))
- return -EFAULT;
- return 0;
- }
- break;
-
- case TIOCMSET:
- case TIOCMBIS:
-
- case TIOCMBIC:
- {
- int val = 0;
-
- if (copy_from_user(&val, &arg, sizeof(int)))
- return -EFAULT;
-
-/* this looks wrong: TIOCMSET isn't going to work right */
- if(cp2101_tiocmset(port, file, cmd==TIOCMBIC?0:val, cmd==TIOCMBIC?val:0))
- return -EFAULT;
- return 0;
- }
- break;
-#endif
-
- case IOCTL_GPIOGET:
- if (cp2101_get_partnum(port) == CP210x_CP2103_VERSION) {
- u8 gpio = 0;
- if (!cp2101_gpioget(port, &gpio) &&
- !copy_to_user((u8*)arg, &gpio, sizeof(gpio)))
- return 0;
- }
- return -EFAULT;
- break;
-
- case IOCTL_GPIOSET:
- if (cp2101_get_partnum(port) == CP210x_CP2103_VERSION &&
- !cp2101_gpioset(port, arg))
- return 0;
- return -EFAULT;
- break;
-
- case IOCTL_GPIOBIC:
- case IOCTL_GPIOBIS:
- if (cp2101_get_partnum(port) == CP210x_CP2103_VERSION &&
- !cp2101_gpiosetb(port, (cmd==IOCTL_GPIOBIC) ? 0 : arg,
- (cmd==IOCTL_GPIOBIC) ? arg : 0))
- return 0;
- return -EFAULT;
- break;
-
- case IOCTL_DEVICERESET:
- return cp2101_reset(port);
- break;
-
- case IOCTL_PORTCONFGET:
- {
- cp2101_port_config_t config;
- if (!cp2101_portconfget(port, &config) &&
- !copy_to_user((cp2101_port_config_t*)arg, &config,
- sizeof(config)))
- return 0;
- }
- return -EFAULT;
- break;
-
- case IOCTL_PORTCONFSET:
- {
- cp2101_port_config_t config;
- if (!copy_from_user(&config, (cp2101_port_config_t*)arg,
- sizeof(config)) &&
- !cp2101_portconfset(port, &config))
- return 0;
- return -EFAULT;
- }
- break;
-
- case IOCTL_SETVID:
- {
- unsigned int vid;
- if (!copy_from_user(&vid, (unsigned int *)arg,
- sizeof(unsigned int)) &&
- !cp2101_setu16(port, 0x01, vid))
- return 0;
- return -EFAULT;
- }
- break;
-
- case IOCTL_SETPID:
- {
- unsigned int pid;
- if (!copy_from_user(&pid, (unsigned int *)arg,
- sizeof(unsigned int)) &&
- !cp2101_setu16(port, 0x02, pid))
- return 0;
- return -EFAULT;
- }
- break;
-
- case IOCTL_SETMFG:
-#if 0 /* Don't know how to set manufacturer desc yet */
- {
- char usbstr[CP210x_MAX_MFG_STRLEN * 2 + 2];
- size_t len = copy_buf_from_user(
- usbstr + sizeof(usbstr) - CP210x_MAX_MFG_STRLEN, arg,
- CP210x_MAX_MFG_STRLEN);
- len = make_usb_string(usbstr, sizeof(usbstr), str, len);
- if (len && cp2101_setstr(port, 0x00, usbstr) == len)
- return 0;
- return -EFAULT;
- }
-#endif
- break;
-
- case IOCTL_SETPRODUCT:
- {
- char usbstr[CP210x_MAX_PRODUCT_STRLEN * 2 + 2];
- char* str = usbstr + sizeof(usbstr) - CP210x_MAX_PRODUCT_STRLEN;
- size_t len = copy_buf_from_user(str, arg,
- CP210x_MAX_PRODUCT_STRLEN);
- len = make_usb_string(usbstr, sizeof(usbstr), str, len);
- if (len && cp2101_setstr(port, 0x03, usbstr) == len)
- return 0;
- return -EFAULT;
- }
- break;
-
- case IOCTL_SETSERIAL:
- {
- char usbstr[CP210x_MAX_SERIAL_STRLEN * 2 + 2];
- char* str = usbstr + sizeof(usbstr) - CP210x_MAX_SERIAL_STRLEN;
- size_t len = copy_buf_from_user(str, arg,
- CP210x_MAX_SERIAL_STRLEN);
- len = make_usb_string(usbstr, sizeof(usbstr), str, len);
- if (len && cp2101_setstr(port, 0x04, usbstr) == len)
- return 0;
- return -EFAULT;
- }
- break;
-
- case IOCTL_SETDEVVER:
- {
- unsigned int ver;
- if (!copy_from_user(&ver, (unsigned int *)arg,
- sizeof(unsigned int)) &&
- !cp2101_setu16(port, 0x07, ver))
- return 0;
- return -EFAULT;
- }
- break;
-
- default:
- dbg("%s not supported = 0x%04x", __FUNCTION__, cmd);
- break;
- }
-
- return -ENOIOCTLCMD;
-}
-
-static int cp2101_startup (struct usb_serial *serial)
-{
- /* CP2101 buffers behave strangely unless device is reset */
- usb_reset_device(serial->dev);
- return 0;
-}
-
-static void cp2101_shutdown (struct usb_serial *serial)
-{
- int i;
-
- dbg("%s", __FUNCTION__);
-
- /* Stop reads and writes on all ports */
- for (i=0; i < serial->num_ports; ++i) {
-#ifdef LINUX26
- cp2101_cleanup(serial->port[i]);
-#else
- cp2101_cleanup(&serial->port[i]);
-#endif
- }
-}
-
-static int __init cp2101_init (void)
-{
- int retval;
-
- retval = usb_serial_register(&cp2101_device);
- if (retval)
- return retval; /* Failed to register */
-
-#ifdef LINUX26
- retval = usb_register(&cp2101_driver);
- if (retval) {
- /* Failed to register */
- usb_serial_deregister(&cp2101_device);
- return retval;
- }
-#endif
- /* Success */
- info(DRIVER_DESC " " DRIVER_VERSION);
- return 0;
-}
-
-static void __exit cp2101_exit (void)
-{
-#ifdef LINUX26
- usb_deregister (&cp2101_driver);
-#endif
- usb_serial_deregister (&cp2101_device);
-}
-
-module_init(cp2101_init);
-module_exit(cp2101_exit);
-
-MODULE_DESCRIPTION(DRIVER_DESC);
-MODULE_LICENSE("GPL");
-
-#ifdef LINUX26
-MODULE_VERSION(DRIVER_VERSION);
-module_param(debug, bool, S_IRUGO | S_IWUSR);
-#else
-MODULE_PARM(debug, "i");
-#endif
-MODULE_PARM_DESC(debug, "Enable verbose debugging messages");
-
-/*
-vi:ts=4
-*/
-
+++ /dev/null
-.PHONY: all
-
-PROGS = cpmfg cpio cptwiddle
-# LDFLAGS += -lusb
-
-all: $(PROGS)
-
-$(PROGS): %: %.o
-
-clean:
- @rm -rf $(PROGS) $(PROGS:%=%.o)
+++ /dev/null
-Simple test applications for using the enhanced IOCTL's of the cp2101 driver.
+++ /dev/null
-/**
- * cpio.c
- *
- * Set cp2103 GPIO_0 and GPIO_1 for LED connection to get RX/TX activity.
- * Watch out, the tty is hardcoded.
- */
-
-#include <netinet/in.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-
-#define IOCTL_DEVICERESET 0x8004 /* Get port configuration */
-#define IOCTL_PORTCONFGET 0x8005 /* Get port configuration */
-#define IOCTL_PORTCONFSET 0x8006 /* Set port configuration */
-
-typedef struct {
- uint16_t mode;
- uint16_t lowPower;
- uint16_t latch;
-} cp2103_port_state_t;
-
-typedef struct {
- cp2103_port_state_t reset;
- cp2103_port_state_t suspend;
- uint8_t enhancedFxn;
-} cp2103_port_config_t;
-
-int cpConnect()
-{
- int ret, ioval;
- int fd = open("/dev/usb/tts/0", O_RDWR);
- if (fd < 0) {
- fprintf(stderr, "cannot open tty\n");
- return -1;
- }
- printf("tty opened\n");
- return fd;
-}
-
-void cpDisconnect(int fd)
-{
- if (fd >= 0)
- close(fd);
-}
-
-int main()
-{
- int fd;
- cp2103_port_config_t config;
- int ret;
-
- /* open */
- if ((fd = cpConnect()) < 0)
- return 1;
-
- /* Read the current port configuration */
- if ((ret = ioctl(fd, IOCTL_PORTCONFGET, &config))) {
- fprintf(stderr, "portconfget ioctl failed %d\n", ret);
- return 1;
- }
-
- /* Set the current port configuration; turn on GPIO_0 and GPIO_1 to get
- * activity LEDs.
- */
- config.reset.mode &= ~0x0300;
- config.suspend.mode &= ~0x0300;
- config.reset.latch |= 0x0300;
- config.enhancedFxn &= ~0x03;
- if ((ret = ioctl(fd, IOCTL_PORTCONFSET, &config))) {
- fprintf(stderr, "portconfset ioctl failed %d\n", ret);
- return 1;
- }
-
- /* Reset the part so the changes take effect. */
- if ((ret = ioctl(fd, IOCTL_DEVICERESET, 0))) {
- fprintf(stderr, "device reset ioctl %d\n", ret);
- return 1;
- }
-
- cpDisconnect(fd);
- return 0;
-}
+++ /dev/null
-/**
- * cpcfg.c
- *
- * Configure the USB descriptor and GPIO configurations for a cp2103-equipped
- * device.
- */
-
-#include <netinet/in.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-
-#define VID 0x10c4
-#define PID 0xea60
-
-/* CP2103 ioctls */
-#define IOCTL_GPIOGET 0x8000 /* Get gpio bits */
-#define IOCTL_GPIOSET 0x8001 /* Set gpio bits */
-#define IOCTL_GPIOBIC 0x8002 /* Clear specific gpio bit(s) */
-#define IOCTL_GPIOBIS 0x8003 /* Set specific gpio bit(s) */
-
-/* CP210x ioctls principally used during initial device configuration */
-#define IOCTL_DEVICERESET 0x8004 /* Reset the cp210x */
-#define IOCTL_PORTCONFGET 0x8005 /* Get port configuration */
-#define IOCTL_PORTCONFSET 0x8006 /* Set port configuration */
-#define IOCTL_SETVID 0x8007 /* Set vendor id */
-#define IOCTL_SETPID 0x8008 /* Set product id */
-#define IOCTL_SETMFG 0x8009 /* Set manufacturer string */
-#define IOCTL_SETPRODUCT 0x800a /* Set product string */
-#define IOCTL_SETSERIAL 0x800b /* Set serial number string */
-#define IOCTL_SETDEVVER 0x800c /* set device version id */
-/* FIXME: where is IOCTL_SETMFG? */
-
-/* CP2103 GPIO */
-#define GPIO_0 0x01
-#define GPIO_1 0x02
-#define GPIO_2 0x04
-#define GPIO_3 0x08
-#define GPIO_MASK (GPIO_0|GPIO_1|GPIO_2|GPIO_3)
-
-/* Port config definitions */
-typedef struct {
- uint16_t mode; /* Push-pull = 1, Open-drain = 0 */
- uint16_t lowPower;
- uint16_t latch; /* Logic high = 1, Logic low = 0 */
-} cp2101_port_state_t;
-
-typedef struct {
- cp2101_port_state_t reset;
- cp2101_port_state_t suspend;
- uint8_t enhancedFxn;
-} cp2101_port_config_t;
-
-#define PORT_CONFIG_LEN 13 /* Because sizeof() will pad to full words */
-
-/* Used to pass variable sized buffers between user and kernel space (ioctls) */
-typedef struct {
- char* buf;
- size_t len;
-} cp210x_buffer_t;
-
-void exit(int);
-
-int cpConnect(char* device)
-{
- int ret, ioval;
- int fd = open(device, O_RDWR);
- if (fd < 0) {
- fprintf(stderr, "cannot open %s\n", device);
- exit(1);
- }
- printf("%s opened\n", device);
- return fd;
-}
-
-void cpDisconnect(int fd)
-{
- if (fd >= 0)
- close(fd);
-}
-
-void cpSetStr(int fd, unsigned int ioctlno, char* string, size_t len)
-{
- int ret;
- cp210x_buffer_t buf = { buf: string, len: len };
-
- ret = ioctl(fd, ioctlno, &buf);
- if (ret) {
- fprintf(stderr, "failed to set via ioctl 0x%04x, err %d\n", ioctlno,
- ret);
- exit(1);
- }
-}
-
-void cpSetLeds(int fd)
-{
- int ret;
- cp2101_port_config_t config;
-
- /* Read the current port configuration */
- if ((ret = ioctl(fd, IOCTL_PORTCONFGET, &config))) {
- fprintf(stderr, "portconfget ioctl failed %d\n", ret);
- exit(1);
- }
-
- /* Set the current port configuration; turn on GPIO_0 and GPIO_1 to get
- * activity LEDs. GPIO_2 and GPIO_3 are set for 'regular' gpio.
- */
- config.reset.mode &= ~0x0300;
- config.suspend.mode &= ~0x0300;
- config.reset.latch |= 0x0300;
- config.enhancedFxn |= 0x03;
- config.enhancedFxn &= ~0x10; /* turn off weak pullups */
- if ((ret = ioctl(fd, IOCTL_PORTCONFSET, &config))) {
- fprintf(stderr, "portconfset ioctl failed %d\n", ret);
- exit(1);
- }
-}
-
-void cpReset(int fd)
-{
- int ret;
-
- /* Reset the part */
- if ((ret = ioctl(fd, IOCTL_DEVICERESET, 0))) {
- fprintf(stderr, "device reset ioctl %d\n", ret);
- exit(1);
- }
-}
-
-int main(int argc, char* argv[])
-{
- /* char newmfg[255] = "Company Name"; */
- char newprod[255] = "CompanyName ";
- char newsn[255];
- int fd;
-
- if (argc != 4) {
- fprintf(stderr, "usage: %s <tty> <part#> <sn#>\n", argv[0]);
- exit(1);
- }
-
- strcat(newprod, argv[2]);
- strcpy(newsn, argv[3]);
- fd = cpConnect(argv[1]);
- /* SiLabs doesn't allow set of mfg string on cp210x.
- * cpSetStr(fd, IOCTL_SETMFG, newmfg, strlen(newmfg));
- */
- cpSetStr(fd, IOCTL_SETPRODUCT, newprod, strlen(newprod));
- cpSetStr(fd, IOCTL_SETSERIAL, newsn, strlen(newsn));
- cpSetLeds(fd);
- cpReset(fd);
- cpDisconnect(fd);
- printf("done\n");
- return 0;
-}
+++ /dev/null
-/**
- * cptwiddle.c
- *
- * Twiddle the leds connected to the cp2103's GPIO_0 and GPIO_1 pins on the
- * USB device. Twiddle does the following:
- *
- * - Saves the current latch and port config settings
- * - Reconfigures for leds as IO
- * - Resets the device and reconnects to it
- * - Twiddles the LEDs
- * - Restores the original configuration
- * - Resets the device again so that the original config is immediately active
- *
- * Watch out; the tty device is hard-coded.
- */
-
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-
-/* CP2103 ioctls */
-#define IOCTL_GPIOGET 0x8000 /* Get gpio bits */
-#define IOCTL_GPIOSET 0x8001 /* Set gpio bits */
-#define IOCTL_GPIOBIC 0x8002 /* Clear specific gpio bit(s) */
-#define IOCTL_GPIOBIS 0x8003 /* Set specific gpio bit(s) */
-
-/* CP210x ioctls principally used during initial device configuration */
-#define IOCTL_DEVICERESET 0x8004 /* Reset the cp210x */
-#define IOCTL_PORTCONFGET 0x8005 /* Get port configuration */
-#define IOCTL_PORTCONFSET 0x8006 /* Set port configuration */
-#define IOCTL_SETVID 0x8007 /* Set vendor id */
-#define IOCTL_SETPID 0x8008 /* Set product id */
-#define IOCTL_SETMFG 0x8009 /* Set manufacturer string */
-#define IOCTL_SETPRODUCT 0x800a /* Set product string */
-#define IOCTL_SETSERIAL 0x800b /* Set serial number string */
-#define IOCTL_SETDEVVER 0x800c /* set device version id */
-/* FIXME: where is IOCTL_SETMFG? */
-
-
-typedef struct {
- uint16_t mode;
- uint16_t lowPower;
- uint16_t latch;
-} cp2103_port_state_t;
-
-typedef struct {
- cp2103_port_state_t reset;
- cp2103_port_state_t suspend;
- uint8_t enhancedFxn;
-} cp2103_port_config_t;
-
-int cpConnect()
-{
- int ret, ioval;
- int fd = open("/dev/usb/tts/0", O_RDWR);
- if (fd < 0) {
- fprintf(stderr, "cannot open tty\n");
- return -1;
- }
- printf("tty opened\n");
- return fd;
-}
-
-void cpDisconnect(int fd)
-{
- if (fd >= 0)
- close(fd);
-}
-
-int main()
-{
- int fd;
- cp2103_port_config_t config;
- cp2103_port_config_t saveConfig;
- uint8_t saveGpio;
- int ret;
- int i;
-
- if ((fd = cpConnect()) < 0)
- return 1;
-
- /* Read the current port configuration */
- if ((ret = ioctl(fd, IOCTL_PORTCONFGET, &config))) {
- fprintf(stderr, "portconfget ioctl failed %d\n", ret);
- return 1;
- }
- memcpy(&saveConfig, &config, sizeof(config));
- printf("port config received\n");
-
- /* Read the current gpio latches */
- if ((ret = ioctl(fd, IOCTL_GPIOGET, &saveGpio))) {
- fprintf(stderr, "gpioget ioctl failed %d\n", ret);
- return 1;
- }
- printf("saved gpio latches 0x%02x\n", saveGpio);
-
- /* Set the current port configuration; set GPIO_0 and GPIO_1 as outputs */
- config.reset.mode &= ~0x0300;
- config.suspend.mode &= ~0x0300;
- config.reset.latch |= 0x0300;
- config.enhancedFxn &= ~0x03;
- if ((ret = ioctl(fd, IOCTL_PORTCONFSET, &config))) {
- fprintf(stderr, "portconfset ioctl failed %d\n", ret);
- return 1;
- }
- printf("port config altered\n");
-
- /* Reset the part */
- if ((ret = ioctl(fd, IOCTL_DEVICERESET, 0))) {
- fprintf(stderr, "device reset ioctl failed %d\n", ret);
- return 1;
- }
- printf("device reset\n");
-
- /* Disconnect then reconnect */
- cpDisconnect(fd);
- printf("disconnected\n");
- for (i = 0; i < 10; i++) {
- sleep(1);
- if ((fd = cpConnect()) >= 0)
- break;
- }
- if (i == 100) {
- printf("failed to reconnect\n");
- return 1;
- }
- printf("reconnected\n");
-
- /* Now, twiddle some bits */
- for (i = 0; i < 8; i++) {
- uint8_t leds = i & 0x03;
- if ((ret = ioctl(fd, IOCTL_GPIOSET, leds))) {
- fprintf(stderr, "gpio set ioctl failed %d\n", ret);
- return 1;
- }
- printf("set leds %u\n", leds);
- sleep(1);
- }
-
- /* Restore the original latches */
- if ((ret = ioctl(fd, IOCTL_GPIOSET, saveGpio))) {
- fprintf(stderr, "gpio set ioctl failed %d\n", ret);
- return 1;
- }
- printf("gpio latches restored\n");
-
- /* Return the original configuration */
- if ((ret = ioctl(fd, IOCTL_PORTCONFSET, &saveConfig))) {
- fprintf(stderr, "portconfset ioctl failed %d\n", ret);
- return 1;
- }
- printf("port config restored\n");
-
- /* Reset the part again */
- if ((ret = ioctl(fd, IOCTL_DEVICERESET, 0))) {
- fprintf(stderr, "device reset ioctl failed %d\n", ret);
- return 1;
- }
- printf("device reset again\n");
-
- cpDisconnect(fd);
- return 0;
-}
+++ /dev/null
-#!/bin/bash
-
-if [ -f $1 ] ; then
- if [ ! -d $3 ] ; then
- echo "ERR: \"$3\" does not exist."
- exit 1
- fi
-
- if [ -d $2/kernel/drivers ] ; then
- installpath=$2/kernel/drivers/usb/serial/$1
- else
- installpath=$2/$1
- fi
-
- install -m 444 -D $1 $installpath
-
- if [ $? != 0 ] ; then
- echo "ERR: Failed to install $1 in $installpath"
- exit 1
- else
- echo "Installed $1 in $installpath"
- fi
-
- depmod
- exit 0
-else
- echo "ERR: Module \"$1\" not present"
- exit 1
-fi
+++ /dev/null
-#!/bin/sh
-THISDIR=`pwd`
-RPMROOT=/usr/src/redhat
-NAME=cp2103
-VER_MAJ=0
-VER_MIN=11
-VER_PAT=0
-VERSION=$VER_MAJ.$VER_MIN.$VER_PAT
-
-echo $PWD
-echo "Creating infrastructure."
-cd $RPMROOT/SOURCES
-rm -rf $NAME-$VERSION
-rm -rf $NAME-$VERSION.tar.gz
-mkdir $NAME-$VERSION
-cd $NAME-$VERSION
-
-echo "Copying source code."
-cp -R $THISDIR/. .
-echo "Packaging source code."
-cd ..
-tar cvf $NAME-$VERSION.tar $NAME-$VERSION
-gzip $NAME-$VERSION.tar
-
-echo "Copying source to RPM subsystem."
-cp $NAME-$VERSION/rpm/$NAME.spec $RPMROOT/SPECS/.
-
-echo "Starting RPM build..."
-
-KERNEL_BLD_VERSION=`uname -r`
-export KERNEL_BLD_VERSION
-
-rpmbuild -bs $RPMROOT/SPECS/cp2103.spec
-
-
-
-
-
+++ /dev/null
-# RPM header info
-Summary: Silicon Labs CP2101/CP2102/CP2103 USB To Serial Bridge driver
-Name: cp2103
-Version: 0.11.0
-Release: 1
-Group: System Environment/Kernel
-BuildRoot: /var/tmp/%{name}-%{version}-%{release}
-ExclusiveOS: linux
-Source: %{name}-%{version}.tar.gz
-Packager: Intelligraphics, Inc.
-Vendor: Silicon Laboratories, Inc.
-License: GPL
-
-%description
-Device driver kernel module for the Silicon Laboratories CP2101/CP2102/CP2103 USB To Serial Bridge.
-
-%prep
-%setup -q
-
-%build
-./configure
-make -f Makefile.go modules
-
-%install
-make -f Makefile.go install
-
-%clean
-make -f Makefile.go distclean
-
-%files
-%defattr(-,root,root)
-%doc
-%config
-
--- /dev/null
+ÐÏ\11ࡱ
\ No newline at end of file
--- /dev/null
+26a27
+> #include <linux/moduleparam.h>
+29,48d29
+<
+< #if LINUX26
+<
+< #include <linux/moduleparam.h>
+< #define DEV_ERR(dev,format,arg...) dev_err(dev,format, ## arg)
+< #define USB_KILL_URB usb_kill_urb
+<
+< #else /* !LINUX26 */
+<
+< #ifdef CONFIG_USB_SERIAL_DEBUG
+< static int debug = 1;
+< #else
+< static int debug;
+< #endif
+<
+< #define DEV_ERR(dev,format,arg...) err(format, ## arg)
+< #define USB_KILL_URB usb_unlink_urb
+<
+< #endif /* LINUX26 */
+<
+54,55c35,36
+< #define DRIVER_VERSION "v0.10"
+< #define DRIVER_DESC "Silicon Labs CP2101/CP2102/CP2103 RS232 serial adaptor driver"
+---
+> #define DRIVER_VERSION "v0.05"
+> #define DRIVER_DESC "Silicon Labs CP2101/CP2102 RS232 serial adaptor driver"
+60c41
+< static int cp2101_open(struct usb_serial_port*, struct file*);
+---
+> static int cp2101_open(struct usb_serial_port*, struct file*);
+64a46,48
+> static int cp2101_tiocmget (struct usb_serial_port *, struct file *);
+> static int cp2101_tiocmset (struct usb_serial_port *, struct file *,
+> unsigned int, unsigned int);
+66c50
+< static int cp2101_startup (struct usb_serial *);
+---
+> static int cp2101_startup (struct usb_serial *);
+68,70c52
+< static int cp2101_ioctl (struct usb_serial_port *port, struct file *file, unsigned int cmd, unsigned long arg);
+< static int cp2101_tiocmget (struct usb_serial_port *, struct file *);
+< static int cp2101_tiocmset (struct usb_serial_port *, struct file *, unsigned int, unsigned int);
+---
+>
+74a57
+> { USB_DEVICE(0x0FCF, 0x1003) }, /* Dynastream ANT development board */
+76a60,61
+> { USB_DEVICE(0x10C4, 0x80F6) }, /* Suunto sports instrument */
+> { USB_DEVICE(0x10A6, 0xAA26) }, /* Knock-off DCU-11 cable */
+77a63
+> { USB_DEVICE(0x16D6, 0x0001) }, /* Jablotron serial interface */
+83d68
+< #if LINUX26
+86c71
+< .name = "CP2101",
+---
+> .name = "cp2101",
+91,92d75
+< #define USB_SUBMIT_URB_ATOMIC(_x_) usb_submit_urb(_x_ , GFP_ATOMIC)
+< #define USB_SUBMIT_URB_KERNEL(_x_) usb_submit_urb(_x_ , GFP_KERNEL)
+94,103c77,82
+< #else /* LINUX26 */
+<
+< #define USB_SUBMIT_URB_ATOMIC(_x_) usb_submit_urb(_x_)
+< #define USB_SUBMIT_URB_KERNEL(_x_) usb_submit_urb(_x_)
+< #endif
+<
+< static struct usb_serial_device_type cp2101_device = {
+< .owner = THIS_MODULE,
+< .name = "CP2101/CP2102/CP2103 USB to UART Bridge",
+< .id_table = id_table,
+---
+> static struct usb_serial_driver cp2101_device = {
+> .driver = {
+> .owner = THIS_MODULE,
+> .name = "cp2101",
+> },
+> .id_table = id_table,
+107,111c86,89
+< .num_ports = 1,
+< .open = cp2101_open,
+< .close = cp2101_close,
+< .ioctl = cp2101_ioctl, /* GLA, Added backport */
+< .break_ctl = cp2101_break_ctl,
+---
+> .num_ports = 1,
+> .open = cp2101_open,
+> .close = cp2101_close,
+> .break_ctl = cp2101_break_ctl,
+113,120c91,94
+< .shutdown = cp2101_shutdown,
+< #if LINUX26
+< .tiocmget = cp2101_tiocmget,
+< .tiocmset = cp2101_tiocmset,
+< .attach = cp2101_startup
+< #else
+< .startup = cp2101_startup
+< #endif
+---
+> .tiocmget = cp2101_tiocmget,
+> .tiocmset = cp2101_tiocmset,
+> .attach = cp2101_startup,
+> .shutdown = cp2101_shutdown,
+128,134c102,108
+< #define CP2101_UART 0x00 /* Enable / Disable */
+< #define CP2101_BAUDRATE 0x01 /* (BAUD_RATE_GEN_FREQ / baudrate) */
+< #define CP2101_BITS 0x03 /* 0x(0)(databits)(parity)(stopbits) */
+< #define CP2101_BREAK 0x05 /* On / Off */
+< #define CP2101_CONTROL 0x07 /* Flow control line states */
+< #define CP2101_MODEMCTL 0x13 /* Modem controls */
+< #define CP2101_CONFIG_6 0x19 /* 6 bytes of config data ??? */
+---
+> #define CP2101_UART 0x00 /* Enable / Disable */
+> #define CP2101_BAUDRATE 0x01 /* (BAUD_RATE_GEN_FREQ / baudrate) */
+> #define CP2101_BITS 0x03 /* 0x(0)(databits)(parity)(stopbits) */
+> #define CP2101_BREAK 0x05 /* On / Off */
+> #define CP2101_CONTROL 0x07 /* Flow control line states */
+> #define CP2101_MODEMCTL 0x13 /* Modem controls */
+> #define CP2101_CONFIG_6 0x19 /* 6 bytes of config data ??? */
+137,138c111,112
+< #define UART_ENABLE 0x0001
+< #define UART_DISABLE 0x0000
+---
+> #define UART_ENABLE 0x0001
+> #define UART_DISABLE 0x0000
+141c115
+< #define BAUD_RATE_GEN_FREQ 0x384000
+---
+> #define BAUD_RATE_GEN_FREQ 0x384000
+144,161c118,135
+< #define BITS_DATA_MASK 0x0f00
+< #define BITS_DATA_5 0x0500
+< #define BITS_DATA_6 0x0600
+< #define BITS_DATA_7 0x0700
+< #define BITS_DATA_8 0x0800
+< #define BITS_DATA_9 0x0900
+<
+< #define BITS_PARITY_MASK 0x00f0
+< #define BITS_PARITY_NONE 0x0000
+< #define BITS_PARITY_ODD 0x0010
+< #define BITS_PARITY_EVEN 0x0020
+< #define BITS_PARITY_MARK 0x0030
+< #define BITS_PARITY_SPACE 0x0040
+<
+< #define BITS_STOP_MASK 0x000f
+< #define BITS_STOP_1 0x0000
+< #define BITS_STOP_1_5 0x0001
+< #define BITS_STOP_2 0x0002
+---
+> #define BITS_DATA_MASK 0X0f00
+> #define BITS_DATA_5 0X0500
+> #define BITS_DATA_6 0X0600
+> #define BITS_DATA_7 0X0700
+> #define BITS_DATA_8 0X0800
+> #define BITS_DATA_9 0X0900
+>
+> #define BITS_PARITY_MASK 0x00f0
+> #define BITS_PARITY_NONE 0x0000
+> #define BITS_PARITY_ODD 0x0010
+> #define BITS_PARITY_EVEN 0x0020
+> #define BITS_PARITY_MARK 0x0030
+> #define BITS_PARITY_SPACE 0x0040
+>
+> #define BITS_STOP_MASK 0x000f
+> #define BITS_STOP_1 0x0000
+> #define BITS_STOP_1_5 0x0001
+> #define BITS_STOP_2 0x0002
+164,165c138,139
+< #define BREAK_ON 0x0000
+< #define BREAK_OFF 0x0001
+---
+> #define BREAK_ON 0x0000
+> #define BREAK_OFF 0x0001
+168,175c142,149
+< #define CONTROL_DTR 0x0001
+< #define CONTROL_RTS 0x0002
+< #define CONTROL_CTS 0x0010
+< #define CONTROL_DSR 0x0020
+< #define CONTROL_RING 0x0040
+< #define CONTROL_DCD 0x0080
+< #define CONTROL_WRITE_DTR 0x0100
+< #define CONTROL_WRITE_RTS 0x0200
+---
+> #define CONTROL_DTR 0x0001
+> #define CONTROL_RTS 0x0002
+> #define CONTROL_CTS 0x0010
+> #define CONTROL_DSR 0x0020
+> #define CONTROL_RING 0x0040
+> #define CONTROL_DCD 0x0080
+> #define CONTROL_WRITE_DTR 0x0100
+> #define CONTROL_WRITE_RTS 0x0200
+198c172
+< DEV_ERR(&port->dev,"%s - out of memory.\n", __FUNCTION__);
+---
+> dev_err(&port->dev, "%s - out of memory.\n", __FUNCTION__);
+206,215c180,182
+< result = usb_control_msg (
+< serial->dev,
+< usb_rcvctrlpipe (serial->dev, 0),
+< request,
+< REQTYPE_DEVICE_TO_HOST,
+< 0x0000,
+< 0,
+< buf,
+< size,
+< 300);
+---
+> result = usb_control_msg (serial->dev,usb_rcvctrlpipe (serial->dev, 0),
+> request, REQTYPE_DEVICE_TO_HOST, 0x0000,
+> 0, buf, size, 300);
+218c185,186
+< for (i=0; i<length; i++) data[i] = le32_to_cpu(buf[i]);
+---
+> for (i=0; i<length; i++)
+> data[i] = le32_to_cpu(buf[i]);
+223c191
+< DEV_ERR(&port->dev,"%s - Unable to send config request, "
+---
+> dev_err(&port->dev, "%s - Unable to send config request, "
+250c218
+< DEV_ERR(&port->dev,"%s - out of memory.\n",
+---
+> dev_err(&port->dev, "%s - out of memory.\n",
+256c224,225
+< for (i = 0; i < length; i++) buf[i] = cpu_to_le32(data[i]);
+---
+> for (i = 0; i < length; i++)
+> buf[i] = cpu_to_le32(data[i]);
+259,268c228,231
+< result = usb_control_msg (
+< serial->dev,
+< usb_sndctrlpipe(serial->dev, 0),
+< request,
+< REQTYPE_HOST_TO_DEVICE,
+< 0x0000,
+< 0,
+< buf,
+< size,
+< 300);
+---
+> result = usb_control_msg (serial->dev,
+> usb_sndctrlpipe(serial->dev, 0),
+> request, REQTYPE_HOST_TO_DEVICE, 0x0000,
+> 0, buf, size, 300);
+270,279c233,236
+< result = usb_control_msg (
+< serial->dev,
+< usb_sndctrlpipe(serial->dev, 0),
+< request,
+< REQTYPE_HOST_TO_DEVICE,
+< data[0],
+< 0,
+< NULL,
+< 0,
+< 300);
+---
+> result = usb_control_msg (serial->dev,
+> usb_sndctrlpipe(serial->dev, 0),
+> request, REQTYPE_HOST_TO_DEVICE, data[0],
+> 0, NULL, 0, 300);
+285c242
+< DEV_ERR(&port->dev,"%s - Unable to send request, "
+---
+> dev_err(&port->dev, "%s - Unable to send request, "
+292,301c249,252
+< result = usb_control_msg (
+< serial->dev,
+< usb_sndctrlpipe(serial->dev, 0),
+< request,
+< REQTYPE_HOST_TO_DEVICE,
+< data[0],
+< 0,
+< NULL,
+< 0,
+< 300);
+---
+> result = usb_control_msg (serial->dev,
+> usb_sndctrlpipe(serial->dev, 0),
+> request, REQTYPE_HOST_TO_DEVICE, data[0],
+> 0, NULL, 0, 300);
+324c275
+< DEV_ERR(&port->dev, "%s - Unable to enable UART\n",
+---
+> dev_err(&port->dev, "%s - Unable to enable UART\n",
+337c288
+< result = USB_SUBMIT_URB_KERNEL(port->read_urb);
+---
+> result = usb_submit_urb(port->read_urb, GFP_KERNEL);
+339c290
+< DEV_ERR(&port->dev, "%s - failed resubmitting read urb, "
+---
+> dev_err(&port->dev, "%s - failed resubmitting read urb, "
+359c310
+< if (serial != NULL && serial->dev) {
+---
+> if (serial->dev) {
+362c313
+< USB_KILL_URB(port->write_urb);
+---
+> usb_kill_urb(port->write_urb);
+364c315
+< USB_KILL_URB(port->read_urb);
+---
+> usb_kill_urb(port->read_urb);
+366,374d316
+<
+< #if LINUX26
+< kfree (usb_get_serial_port_data(port));
+< usb_set_serial_port_data(port, NULL);
+< #else
+< /*TODOGLA: port.private maybe?
+< Nobody is using that at the moement in this driver*/
+< #endif
+<
+383,384c325,326
+< USB_KILL_URB(port->write_urb);
+< USB_KILL_URB(port->read_urb);
+---
+> usb_kill_urb(port->write_urb);
+> usb_kill_urb(port->read_urb);
+615c557
+< DEV_ERR(&port->dev, "cp2101 driver does not "
+---
+> dev_err(&port->dev, "cp2101 driver does not "
+625c567
+< DEV_ERR(&port->dev, "Baud rate requested not "
+---
+> dev_err(&port->dev, "Baud rate requested not "
+656c598
+< DEV_ERR(&port->dev, "cp2101 driver does not "
+---
+> dev_err(&port->dev, "cp2101 driver does not "
+663c605
+< DEV_ERR(&port->dev,"Number of data bits requested "
+---
+> dev_err(&port->dev, "Number of data bits requested "
+680c622
+< DEV_ERR(&port->dev,"Parity mode not supported "
+---
+> dev_err(&port->dev, "Parity mode not supported "
+695c637
+< DEV_ERR(&port->dev,"Number of stop bits requested "
+---
+> dev_err(&port->dev, "Number of stop bits requested "
+789,827d730
+< static int cp2101_ioctl (struct usb_serial_port *port, struct file *file, unsigned int cmd, unsigned long arg)
+< {
+< dbg("%s (%d) cmd = 0x%04x", __FUNCTION__, port->number, cmd);
+<
+< switch (cmd) {
+<
+< #if !LINUX26
+< case TIOCMGET:
+< {
+< int result = cp2101_tiocmget(port, file);
+< if (copy_to_user(&arg, &result, sizeof(int)))
+< return -EFAULT;
+< }
+< break;
+<
+< case TIOCMSET:
+< case TIOCMBIS:
+<
+< case TIOCMBIC:
+< {
+< int val = 0;
+<
+< if (copy_from_user(&val, &arg, sizeof(int)))
+< return -EFAULT;
+<
+< if(cp2101_tiocmset(port, file, cmd==TIOCMBIC?0:val, cmd==TIOCMBIC?val:0))
+< return -EFAULT;
+< }
+< break;
+< #endif
+<
+< default:
+< dbg("%s not supported = 0x%04x", __FUNCTION__, cmd);
+< break;
+< }
+<
+< return -ENOIOCTLCMD;
+< }
+<
+843d745
+< #if LINUX26
+845,847d746
+< #else
+< cp2101_cleanup(&serial->port[i]);
+< #endif
+859,860c758
+< #if LINUX26
+< retval = usb_register(&cp2101_driver);
+---
+> retval = usb_register(&cp2101_driver);
+866c764
+< #endif
+---
+>
+874d771
+< #if LINUX26
+876d772
+< #endif
+883a780
+> MODULE_VERSION(DRIVER_VERSION);
+886,887d782
+< #if LINUX26
+< MODULE_VERSION(DRIVER_VERSION);
+889,891d783
+< #else
+< MODULE_PARM(debug, "i");
+< #endif
--- /dev/null
+# CP2101 Makefile
+
+ifeq ("$(src)", "")
+ include Makefile.config
+ include Makefile$(KVER1)$(KVER2)
+else
+ include $(src)/Makefile.config
+ include $(src)/Makefile$(KVER1)$(KVER2)
+endif
+
--- /dev/null
+#
+# CP2101/CP2102/CP2103 USB to Serial Bridge Makefile
+#
+# (c) 2005-2006 Silicon Laboratories
+#
+# all - builds the modules, same as modules
+# modules - builds kernel module
+# install - installs driver
+# clean - removes all object code
+# distclean - remove everything resulting from building
+# mrproper - remove emacs debris
+#
+
+OBJS = cp2101.o
+
+SRC = cp2102.c
+
+
+include ./Makefile.config
+
+KVER=$(KVER1).$(KVER2).$(KVER3)
+MODULE=cp2101$(EXT)
+MODULES_DIR=$(INSTALL_PREFIX)/lib/modules
+MODULES_VER_DIR=$(MODULES_DIR)/$(KVER)
+
+# Rules
+
+all: modules
+
+clean:
+ rm -f *.o .*.o.flags
+ rm -f *.ko .*.o.cmd .*.ko.cmd *.mod.c
+ rm -rf .tmp_versions
+
+distclean: clean mrproper
+ rm -f Makefile.config
+
+install:
+ ./installmod $(MODULE) $(MODULES_VER_DIR) $(MODULES_DIR)
+
+mrproper:
+ rm -f *~
+ rm -f Makefile.bak
+
+modules:
+ make -C $(LINUX_KERNEL) SUBDIRS="`pwd`" modules
--- /dev/null
+#
+
+EXTRA_CFLAGS += -I$(LINUX_KERNEL)/drivers/usb/serial
+
+obj-m += cp2101.o
+
+include $(TOPDIR)/Rules.make
--- /dev/null
+# CP2101/CP2102/CP2103 2.6 makefile
+
+EXTRA_CFLAGS += -I$(LINUX_INCLUDE) -I$(LINUX_KERNEL)/drivers/usb/serial -DLINUX26
+
+obj-m := cp2101.o
+
+cp2101-objs := $(OBJS)
--- /dev/null
+# -*-makefile-*-
+#
+# This file is a helper make file that makes building easier. It is meant
+# to be generic and is designed to be recycled by other drivers. The
+# comments should be clear enough. It partly comes from Linux Makefile,
+# and needs GNU make.
+
+# TOPDIR is declared by the Makefile including this file.
+ifndef TOPDIR
+ TOPDIR = .
+endif
+
+# KERNELDIR can be speficied on the command line or environment
+# this may assuems a symbolic link has been set to /usr/src/linux
+ifndef KERNELDIR
+ KERNELDIR = /usr/src/linux
+endif
+# The headers are taken from the kernel
+ INCLUDEDIR = $(KERNELDIR)/include
+
+# We need the configuration file, for CONFIG_SMP and possibly other stuff
+# (especiall for RISC platforms, where CFLAGS depends on the exact
+# processor being used).
+#ifeq ($(KERNELDIR)/.config,$(wildcard $(KERNELDIR))/.config)
+# include $(KERNELDIR)/.config
+#else
+# MESSAGE := $(shell echo "WARNING: no .config file in $(KERNELDIR)")
+#endif
+
+# ARCH can be speficed on the comdline or env. too, and defaults to this arch
+# Unfortunately, we can't easily extract if from kernel configuration
+# (well, we could look athe asm- symlink... don't know if worth the effort)
+ifndef ARCH
+ ARCH := $(shell uname -m | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ \
+ -e s/arm.*/arm/ -e s/sa110/arm/)
+endif
+
+# This is useful if cross-compiling. Taken from kernel Makefile (CC changed)
+AS =$(CROSS_COMPILE)as
+LD =$(CROSS_COMPILE)ld
+CC =$(CROSS_COMPILE)gcc
+CPP =$(CC) -E
+AR =$(CROSS_COMPILE)ar
+NM =$(CROSS_COMPILE)nm
+STRIP =$(CROSS_COMPILE)strip
+OBJCOPY =$(CROSS_COMPILE)objcopy
+OBJDUMP =$(CROSS_COMPILE)objdump
+
+# The platform-specific Makefiles include portability nightmares.
+# Some platforms, though, don't have one, so check for existence first
+ARCHMAKEFILE = $(TOPDIR)/Makefile.$(ARCH)
+ifeq ($(ARCHMAKEFILE),$(wildcard $(ARCHMAKEFILE)))
+ include $(ARCHMAKEFILE)
+endif
+
+# CFLAGS: all assignments to CFLAGS are inclremental, so you can specify
+# the initial flags on the command line or environment, if needed.
+
+ CFLAGS += -Wall -D__KERNEL__ -DMODULE -I$(INCLUDEDIR)
+
+ifdef CONFIG_SMP
+ CFLAGS += -D__SMP__ -DSMP
+endif
+
+# Prepend modversions.h if we're running with versioning.
+ifdef CONFIG_MODVERSIONS
+ CFLAGS += -DMODVERSIONS -include $(KERNELDIR)/include/linux/modversions.h
+endif
+
+#Install dir
+VERSIONFILE = $(INCLUDEDIR)/linux/version.h
+VERSION = $(shell awk -F\" '/REL/ {print $$2}' $(VERSIONFILE))
+INSTALLDIR = /lib/modules/$(VERSION)/misc
--- /dev/null
+#!/bin/bash
+
+function usage()
+{
+ echo "Usage: $0 [option ...]"
+ echo ""
+ echo "Where 'option' can be one of the following:"
+ echo " -kinc <path> Kernel header files."
+ echo " -kpath <path> Kernel sources."
+ echo " -kver <version> Kernel version."
+ echo " -p <install folder> Prefix for installing the kernel module."
+}
+
+this_dir=`pwd`
+
+ARCH=""
+TARGET="linux"
+LINUX_KERNEL="/lib/modules/`uname -r`/build"
+KVER=""
+LIBPATH=""
+INSTALL_PREFIX=""
+CONFIG_FILE="Makefile.config"
+
+
+while (($# > 0)) ; do
+ if [ "$1" == "-help" ] || [ "$1" == "-h" ] ; then
+ usage
+ exit 0
+ elif [ "$1" == "-kinc" ] ; then
+ if [ "$2" == "" ] ; then
+ usage
+ exit 1
+ fi
+ LINUX_INCLUDE="$2"
+ shift 2
+ elif [ "$1" == "-kpath" ] ; then
+ if [ "$2" == "" ] ; then
+ usage
+ exit 1
+ fi
+ LINUX_KERNEL="$2"
+ shift 2
+ elif [ "$1" == "-kver" ] ; then
+ if [ "$2" == "" ] ; then
+ usage
+ exit 1
+ fi
+ KVER="$2"
+ shift 2
+ elif [ "$1" == "-p" ] ; then
+ if [ "$2" == "" ] ; then
+ usage
+ exit 1
+ fi
+ INSTALL_PREFIX="$2"
+ shift 2
+ else
+ echo "ERROR: Unknown option $1"
+ exit 1
+ fi
+done
+
+if [ "$LINUX_INCLUDE" == "" ] ; then
+ LINUX_INCLUDE="$LINUX_KERNEL/include"
+fi
+
+if [ ! -d "$LINUX_KERNEL" ] ; then
+ echo "ERROR: $LINUX_KERNEL was not found."
+ exit 1
+fi
+
+if [ ! -d "$LINUX_INCLUDE" ] ; then
+ echo "ERROR: $LINUX_INCLUDE was not found."
+ exit 1
+fi
+
+if [ "$KVER" == "" ] ; then
+ if [ -f "$LINUX_INCLUDE/linux/version.h" ] ; then
+ KVER=`grep UTS_RELEASE $LINUX_INCLUDE/linux/version.h | awk -- '{ if (FNR==1) { print $3 } }'`
+ KVER=`echo $KVER | sed -e 's/"//g'`
+ else
+ echo "ERROR: $LINUX_INCLUDE/linux/version.h was not found. Configured kernel?"
+ exit 1
+ fi
+fi
+
+KVER1=`echo $KVER | awk -F . -- '{ print $1 }'`
+KVER2=`echo $KVER | awk -F . -- '{ print $2 }'`
+KVER3=`echo $KVER | sed -e "s/$KVER1\\.$KVER2\\.//g"`
+
+case $KVER2 in
+ 4)
+ makefile="Makefile24"
+ EXT=".o"
+ ;;
+ 6)
+ makefile="Makefile26"
+ EXT=".ko"
+ ;;
+esac
+
+echo "Kernel version : $KVER1.$KVER2.$KVER3"
+echo "Module extension : $EXT"
+echo "Kernel directory : $LINUX_KERNEL"
+echo "Include directory : $LINUX_INCLUDE"
+echo "Module install prefix : $INSTALL_PREFIX"
+
+
+rm -f $CONFIG_FILE
+echo "# Makefile.config" >>$CONFIG_FILE
+echo "# Automatically generated" >>$CONFIG_FILE
+echo "KVER1=$KVER1" >>$CONFIG_FILE
+echo "KVER2=$KVER2" >>$CONFIG_FILE
+echo "KVER3=$KVER3" >>$CONFIG_FILE
+echo "EXT=$EXT" >>$CONFIG_FILE
+echo "LINUX_KERNEL=$LINUX_KERNEL" >>$CONFIG_FILE
+echo "LINUX_INCLUDE=$LINUX_INCLUDE" >>$CONFIG_FILE
+echo "INSTALL_PREFIX=$INSTALL_PREFIX" >>$CONFIG_FILE
--- /dev/null
+/*
+ * Silicon Laboratories CP2101/CP2102/CP2103 USB to RS232 serial adaptor driver
+ *
+ * Copyright (C) 2005 Craig Shelley (craig@microtron.org.uk)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * Support to set flow control line levels using TIOCMGET and TIOCMSET
+ * thanks to Karl Hiramoto karl@hiramoto.org. RTSCTS hardware flow
+ * control thanks to Munir Nassar nassarmu@real-time.com
+ *
+ * Port configuration, usb descriptor and gpio management by R. Steve McKown
+ * (smckown@titaniummirror.com).
+ *
+ * Outstanding Issues:
+ * Buffers are not flushed when the port is opened.
+ * Multiple calls to write() may fail with "Resource temporarily unavailable"
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/slab.h>
+#include <linux/tty.h>
+#include <linux/tty_flip.h>
+#include <linux/module.h>
+#include <linux/usb.h>
+#include <linux/version.h>
+#include <asm/uaccess.h>
+#include <linux/byteorder/generic.h>
+
+#ifndef KERNEL_VERSION
+#define KERNEL_VERSION(a,b,c) ((a)*65536 + (b)*256 + (c))
+#endif
+
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,0)
+#ifdef LINUX26
+#undef LINUX26
+#endif
+#define LINUX26
+#endif
+
+#ifdef LINUX26
+
+#include <linux/moduleparam.h>
+#include <linux/usb/serial.h>
+#define DEV_ERR(dev,format,arg...) dev_err(dev,format, ## arg)
+#define USB_KILL_URB usb_kill_urb
+
+#else /* !LINUX26 */
+
+#include <linux/config.h>
+#include "usb-serial.h"
+
+#ifdef CONFIG_USB_SERIAL_DEBUG
+ static int debug = 1;
+#else
+ static int debug;
+#endif
+
+#define DEV_ERR(dev,format,arg...) err(format, ## arg)
+#define USB_KILL_URB usb_unlink_urb
+
+#endif /* LINUX26 */
+
+/*
+ * Version Information
+ * RJM: updated to 0.11 for 2.6.15 and later kernels
+ */
+#define DRIVER_VERSION "v0.11rsm"
+#define DRIVER_DESC "Silicon Labs CP2101/CP2102/CP2103 RS232 serial adaptor driver"
+
+/*
+ * Function Prototypes
+ */
+static int cp2101_open(struct usb_serial_port*, struct file*);
+static void cp2101_cleanup(struct usb_serial_port*);
+static void cp2101_close(struct usb_serial_port*, struct file*);
+static void cp2101_get_termios(struct usb_serial_port*);
+static void cp2101_set_termios(struct usb_serial_port*, struct termios*);
+static void cp2101_break_ctl(struct usb_serial_port*, int);
+static int cp2101_startup (struct usb_serial *);
+static void cp2101_shutdown(struct usb_serial*);
+static int cp2101_ioctl (struct usb_serial_port *port, struct file *file, unsigned int cmd, unsigned long arg);
+static int cp2101_tiocmget (struct usb_serial_port *, struct file *);
+static int cp2101_tiocmset (struct usb_serial_port *, struct file *, unsigned int, unsigned int);
+
+static int debug;
+
+static struct usb_device_id id_table [] = {
+ { USB_DEVICE(0x0FCF, 0x1003) }, /* Dynastream ANT development board */
+ { USB_DEVICE(0x10A6, 0xAA26) }, /* Knock-off DCU-11 cable */
+ { USB_DEVICE(0x10AB, 0x10C5) }, /* Siemens MC60 Cable */
+ { USB_DEVICE(0x10B5, 0xAC70) }, /* Nokia CA-42 USB */
+ { USB_DEVICE(0x10C4, 0x803B) }, /* Pololu USB-serial converter */
+ { USB_DEVICE(0x10C4, 0x8066) }, /* Argussoft In-System Programmer */
+ { USB_DEVICE(0x10C4, 0x807A) }, /* Crumb128 board */
+ { USB_DEVICE(0x10C4, 0x80CA) }, /* Degree Controls Inc */
+ { USB_DEVICE(0x10C4, 0x80F6) }, /* Suunto sports instrument */
+ { USB_DEVICE(0x10C4, 0x813D) }, /* Burnside Telecom Deskmobile */
+ { USB_DEVICE(0x10C4, 0x814A) }, /* West Mountain Radio RIGblaster P&P */
+ { USB_DEVICE(0x10C4, 0x814B) }, /* West Mountain Radio RIGtalk */
+ { USB_DEVICE(0x10C4, 0x815E) }, /* Helicomm IP-Link 1220-DVM */
+ { USB_DEVICE(0x10C4, 0x81C8) }, /* Lipowsky Industrie Elektronik GmbH, Baby-JTAG */
+ { USB_DEVICE(0x10C4, 0x81E2) }, /* Lipowsky Industrie Elektronik GmbH, Baby-LIN */
+ { USB_DEVICE(0x10C4, 0x8218) }, /* Lipowsky Industrie Elektronik GmbH, HARP-1 */
+ { USB_DEVICE(0x10C4, 0xEA60) }, /* Silicon Labs factory default */
+ { USB_DEVICE(0x10C4, 0xEA61) }, /* Silicon Labs factory default */
+ { USB_DEVICE(0x13AD, 0x9999) }, /* Baltech card reader */
+ { USB_DEVICE(0x16D6, 0x0001) }, /* Jablotron serial interface */
+ { } /* Terminating Entry */
+};
+
+MODULE_DEVICE_TABLE (usb, id_table);
+
+#ifdef LINUX26
+static struct usb_driver cp2101_driver = {
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15)
+ .owner = THIS_MODULE,
+#endif
+ .name = "CP2101",
+ .probe = usb_serial_probe,
+ .disconnect = usb_serial_disconnect,
+ .id_table = id_table,
+};
+#define USB_SUBMIT_URB_ATOMIC(_x_) usb_submit_urb(_x_ , GFP_ATOMIC)
+#define USB_SUBMIT_URB_KERNEL(_x_) usb_submit_urb(_x_ , GFP_KERNEL)
+
+#else /* LINUX26 */
+
+#define USB_SUBMIT_URB_ATOMIC(_x_) usb_submit_urb(_x_)
+#define USB_SUBMIT_URB_KERNEL(_x_) usb_submit_urb(_x_)
+#endif
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,15)
+static struct usb_serial_driver cp2101_device = {
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = "cp2101",
+ },
+#else
+static struct usb_serial_device_type cp2101_device = {
+ .owner = THIS_MODULE,
+ .name = "CP2101/CP2102/CP2103 USB to UART Bridge",
+#endif
+ .id_table = id_table,
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
+ .num_interrupt_in = 0,
+ .num_bulk_in = 0,
+ .num_bulk_out = 0,
+#else
+ .num_interrupt_in = NUM_DONT_CARE,
+ .num_bulk_in = NUM_DONT_CARE,
+ .num_bulk_out = NUM_DONT_CARE,
+#endif
+ .num_ports = 1,
+ .open = cp2101_open,
+ .close = cp2101_close,
+ .ioctl = cp2101_ioctl, /* GLA, Added backport */
+ .break_ctl = cp2101_break_ctl,
+ .set_termios = cp2101_set_termios,
+#ifdef LINUX26
+ .tiocmget = cp2101_tiocmget,
+ .tiocmset = cp2101_tiocmset,
+ .attach = cp2101_startup,
+#else
+ .startup = cp2101_startup,
+#endif
+ .shutdown = cp2101_shutdown
+};
+
+/* Config request types */
+#define REQTYPE_HOST_TO_DEVICE 0x41
+#define REQTYPE_DEVICE_TO_HOST 0xc1
+
+/* Config SET requests. To GET, add 1 to the request number */
+#define CP2101_UART 0x00 /* Enable / Disable */
+#define CP2101_BAUDRATE 0x01 /* (BAUD_RATE_GEN_FREQ / baudrate) */
+#define CP2101_BITS 0x03 /* 0x(0)(databits)(parity)(stopbits) */
+#define CP2101_BREAK 0x05 /* On / Off */
+#define CP2101_CONTROL 0x07 /* Flow control line states */
+#define CP2101_MODEMCTL 0x13 /* Modem controls */
+#define CP2101_CONFIG_6 0x19 /* 6 bytes of config data ??? */
+
+/* CP2101_UART */
+#define UART_ENABLE 0x0001
+#define UART_DISABLE 0x0000
+
+/* CP2101_BAUDRATE */
+#define BAUD_RATE_GEN_FREQ 0x384000
+
+/* CP2101_BITS */
+#define BITS_DATA_MASK 0x0f00
+#define BITS_DATA_5 0x0500
+#define BITS_DATA_6 0x0600
+#define BITS_DATA_7 0x0700
+#define BITS_DATA_8 0x0800
+#define BITS_DATA_9 0x0900
+
+#define BITS_PARITY_MASK 0x00f0
+#define BITS_PARITY_NONE 0x0000
+#define BITS_PARITY_ODD 0x0010
+#define BITS_PARITY_EVEN 0x0020
+#define BITS_PARITY_MARK 0x0030
+#define BITS_PARITY_SPACE 0x0040
+
+#define BITS_STOP_MASK 0x000f
+#define BITS_STOP_1 0x0000
+#define BITS_STOP_1_5 0x0001
+#define BITS_STOP_2 0x0002
+
+/* CP2101_BREAK */
+#define BREAK_ON 0x0000
+#define BREAK_OFF 0x0001
+
+/* CP2101_CONTROL */
+#define CONTROL_DTR 0x0001
+#define CONTROL_RTS 0x0002
+#define CONTROL_CTS 0x0010
+#define CONTROL_DSR 0x0020
+#define CONTROL_RING 0x0040
+#define CONTROL_DCD 0x0080
+#define CONTROL_WRITE_DTR 0x0100
+#define CONTROL_WRITE_RTS 0x0200
+
+/* CP2103 ioctls */
+#define IOCTL_GPIOGET 0x8000 /* Get gpio bits */
+#define IOCTL_GPIOSET 0x8001 /* Set gpio bits */
+#define IOCTL_GPIOBIC 0x8002 /* Clear specific gpio bit(s) */
+#define IOCTL_GPIOBIS 0x8003 /* Set specific gpio bit(s) */
+
+/* CP210x ioctls principally used during initial device configuration */
+#define IOCTL_DEVICERESET 0x8004 /* Reset the cp210x */
+#define IOCTL_PORTCONFGET 0x8005 /* Get port configuration */
+#define IOCTL_PORTCONFSET 0x8006 /* Set port configuration */
+#define IOCTL_SETVID 0x8007 /* Set vendor id */
+#define IOCTL_SETPID 0x8008 /* Set product id */
+#define IOCTL_SETMFG 0x8009 /* Set manufacturer string */
+#define IOCTL_SETPRODUCT 0x800a /* Set product string */
+#define IOCTL_SETSERIAL 0x800b /* Set serial number string */
+#define IOCTL_SETDEVVER 0x800c /* set device version id */
+/* FIXME: where is IOCTL_SETMFG? */
+
+/* CP2103 GPIO */
+#define GPIO_0 0x01
+#define GPIO_1 0x02
+#define GPIO_2 0x04
+#define GPIO_3 0x08
+#define GPIO_MASK (GPIO_0|GPIO_1|GPIO_2|GPIO_3)
+
+/* GetDeviceVersion() return codes */
+#define CP210x_CP2101_VERSION 0x01
+#define CP210x_CP2102_VERSION 0x02
+#define CP210x_CP2103_VERSION 0x03
+
+/* Return codes */
+#define CP210x_SUCCESS 0x00
+#define CP210x_DEVICE_NOT_FOUND 0xFF
+#define CP210x_INVALID_HANDLE 0x01
+#define CP210x_INVALID_PARAMETER 0x02
+#define CP210x_DEVICE_IO_FAILED 0x03
+#define CP210x_FUNCTION_NOT_SUPPORTED 0x04
+#define CP210x_GLOBAL_DATA_ERROR 0x05
+#define CP210x_FILE_ERROR 0x06
+#define CP210x_COMMAND_FAILED 0x08
+#define CP210x_INVALID_ACCESS_TYPE 0x09
+
+/* USB descriptor sizes */
+#define CP210x_MAX_DEVICE_STRLEN 256
+#define CP210x_MAX_PRODUCT_STRLEN 126
+#define CP210x_MAX_SERIAL_STRLEN 63
+#define CP210x_MAX_MAXPOWER 250
+
+/* Used to pass variable sized buffers between user and kernel space (ioctls) */
+typedef struct {
+ char* buf;
+ size_t len;
+} cp2101_buffer_t;
+
+/* Port config definitions */
+typedef struct {
+ uint16_t mode; /* Push-pull = 1, Open-drain = 0 */
+ uint16_t lowPower;
+ uint16_t latch; /* Logic high = 1, Logic low = 0 */
+} cp2101_port_state_t;
+
+typedef struct {
+ cp2101_port_state_t reset;
+ cp2101_port_state_t suspend;
+ uint8_t enhancedFxn;
+} cp2101_port_config_t;
+
+#define PORT_CONFIG_LEN 13 /* Because sizeof() will pad to full words */
+
+
+/*
+ * cp2101_buf_from_user
+ * Copy a buffer from user space, returning the number of bytes copied
+ * from ubuf.buf into kbuf. klen is the size of the buffer at kbuf.
+ */
+size_t copy_buf_from_user(char* kbuf, unsigned long ubuf, size_t klen)
+{
+ cp2101_buffer_t t;
+
+ if (!kbuf || !ubuf || !klen || copy_from_user(&t, (cp2101_buffer_t *)ubuf,
+ sizeof(t)))
+ return 0;
+ if (t.len < klen)
+ klen = t.len;
+ if (!t.buf || !t.len || copy_from_user(kbuf, t.buf, klen))
+ return 0;
+ return klen;
+}
+
+/*
+ * cp2101_get_config
+ * Reads from the CP2101 configuration registers
+ * 'size' is specified in bytes.
+ * 'data' is a pointer to a pre-allocated array of integers large
+ * enough to hold 'size' bytes (with 4 bytes to each integer)
+ */
+static int cp2101_get_config(struct usb_serial_port* port, u8 request,
+ unsigned int *data, int size)
+{
+ struct usb_serial *serial = port->serial;
+ u32 *buf;
+ int result, i, length;
+
+ /* Number of integers required to contain the array */
+ length = (((size - 1) | 3) + 1)/4;
+
+ buf = kmalloc (length * sizeof(u32), GFP_KERNEL);
+ memset(buf, 0, length * sizeof(u32));
+
+ if (!buf) {
+ DEV_ERR(&port->dev,"%s - out of memory.\n", __FUNCTION__);
+ return -ENOMEM;
+ }
+
+ /* For get requests, the request number must be incremented */
+ request++;
+
+ /* Issue the request, attempting to read 'size' bytes */
+ result = usb_control_msg (
+ serial->dev,
+ usb_rcvctrlpipe (serial->dev, 0),
+ request,
+ REQTYPE_DEVICE_TO_HOST,
+ 0x0000,
+ 0,
+ buf,
+ size,
+ 300);
+
+ /* Convert data into an array of integers */
+ for (i=0; i<length; i++) data[i] = le32_to_cpu(buf[i]);
+
+ kfree(buf);
+
+ if (result != size) {
+ DEV_ERR(&port->dev,"%s - Unable to send config request, "
+ "request=0x%x size=%d result=%d\n",
+ __FUNCTION__, request, size, result);
+ return -EPROTO;
+ }
+
+ return 0;
+}
+
+/*
+ * cp2101_set_config
+ * Writes to the CP2101 configuration registers
+ * Values less than 16 bits wide are sent directly
+ * 'size' is specified in bytes.
+ */
+static int cp2101_set_config(struct usb_serial_port* port, u8 request,
+ unsigned int *data, int size)
+{
+ struct usb_serial *serial = port->serial;
+ u32 *buf;
+ int result, i, length;
+
+ /* Number of integers required to contain the array */
+ length = (((size - 1) | 3) + 1)/4;
+
+ buf = kmalloc(length * sizeof(u32), GFP_KERNEL);
+ if (!buf) {
+ DEV_ERR(&port->dev,"%s - out of memory.\n",
+ __FUNCTION__);
+ return -ENOMEM;
+ }
+
+ /* Array of integers into bytes */
+ for (i = 0; i < length; i++) buf[i] = cpu_to_le32(data[i]);
+
+ if (size > 2) {
+ result = usb_control_msg (
+ serial->dev,
+ usb_sndctrlpipe(serial->dev, 0),
+ request,
+ REQTYPE_HOST_TO_DEVICE,
+ 0x0000,
+ 0,
+ buf,
+ size,
+ 300);
+ } else {
+ result = usb_control_msg (
+ serial->dev,
+ usb_sndctrlpipe(serial->dev, 0),
+ request,
+ REQTYPE_HOST_TO_DEVICE,
+ data[0],
+ 0,
+ NULL,
+ 0,
+ 300);
+ }
+
+ kfree(buf);
+
+ if ((size > 2 && result != size) || result < 0) {
+ DEV_ERR(&port->dev,"%s - Unable to send request, "
+ "request=0x%x size=%d result=%d\n",
+ __FUNCTION__, request, size, result);
+ return -EPROTO;
+ }
+
+ /* Single data value */
+ result = usb_control_msg (
+ serial->dev,
+ usb_sndctrlpipe(serial->dev, 0),
+ request,
+ REQTYPE_HOST_TO_DEVICE,
+ data[0],
+ 0,
+ NULL,
+ 0,
+ 300);
+ return 0;
+}
+
+/*
+ * cp2101_set_config_single
+ * Convenience function for calling cp2101_set_config on single data values
+ * without requiring an integer pointer
+ */
+static inline int cp2101_set_config_single(struct usb_serial_port* port,
+ u8 request, unsigned int data)
+{
+ return cp2101_set_config(port, request, &data, 2);
+}
+
+/*
+ * cp2101_ctlmsg
+ * A generic usb control message interface.
+ * Returns the actual size of the data read or written within the message, 0
+ * if no data were read or written, or a negative value to indicate an error.
+ */
+static int cp2101_ctlmsg(struct usb_serial_port* port, u8 request,
+ u8 requestype, u16 value, u16 index, void* data, u16 size)
+{
+ struct usb_device *dev = port->serial->dev;
+ u8 *tbuf;
+ int ret;
+
+ if (!(tbuf = kmalloc(size, GFP_KERNEL)))
+ return -ENOMEM;
+ if (requestype & 0x80) {
+ ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), request,
+ requestype, value, index, tbuf, size, 300);
+ if (ret > 0 && size)
+ memcpy(data, tbuf, size);
+ } else {
+ if (size)
+ memcpy(tbuf, data, size);
+ ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), request,
+ requestype, value, index, tbuf, size, 300);
+ }
+ kfree(tbuf);
+ if (ret < 0 && ret != -EPIPE) {
+ dev_printk(KERN_DEBUG, &dev->dev, "cp2101: control failed cmd rqt %u "
+ "rq %u len %u ret %d\n", requestype, request, size, ret);
+ }
+ return ret;
+}
+
+static int cp2101_reset(struct usb_serial_port *port)
+{
+ dbg("%s", __FUNCTION__);
+
+#if 1
+ /* Is this better than usb_device_reset? It may be. Once a client issues
+ * the reset ioctl, it must disconnect and reconnect, since the USB
+ * connections are torn down. We also ignore the error return, since the
+ * part resets and doesn't send one...
+ */
+ cp2101_ctlmsg(port, 0xff, 0x40, 0x0008, 0x00, 0, 0);
+#else
+ usb_reset_device(port->serial->dev);
+#endif
+ return 0;
+}
+
+static int cp2101_get_partnum(struct usb_serial_port *port)
+{
+ static u8 _partnum = 0;
+ int ret = CP210x_SUCCESS;
+ if (!_partnum) {
+ u8 addr = port->serial->dev->actconfig->interface[0]->cur_altsetting->
+ endpoint[0].desc.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
+
+ if (addr == 0x03 || addr == 0x02) /* The part is a cp2101 */
+ _partnum = 0x01;
+ else if (addr == 0x01) /* Must query part to determine part number */
+ ret = (cp2101_ctlmsg(port, 0xff, 0xc0, 0x370b, 0x00, &_partnum, 1)
+ == 1) ? CP210x_SUCCESS : CP210x_DEVICE_IO_FAILED;
+ else
+ ret = CP210x_DEVICE_IO_FAILED;
+ }
+ dbg("%s - partnum %u err %d", __FUNCTION__, _partnum, ret);
+ return (ret == CP210x_SUCCESS) ? _partnum : 0;
+}
+
+inline int cp2101_setu16(struct usb_serial_port *port, int cmd,
+ unsigned int value)
+{
+ return cp2101_ctlmsg(port, 0xff, 0x40, 3700 | (cmd & 0xff), value, 0, 0);
+}
+
+/* Populates usbstr with: (len) + (0x03) + unicode(str). Each char in str
+ * takes up two bytes in unicode format, so the resulting len(usbstr) is
+ * 2 * len(str) + 2.
+ * Returns the resulting length of the string in usbstr.
+ * This function can accept overlapping usbstr and str as long as the overlap
+ * does not cause data written to usbstr to overwrite data not yet read from
+ * str.
+ */
+static int make_usb_string(char* usbstr, size_t usblen, char* src,
+ size_t srclen)
+{
+ int len = 0;
+
+ if (usbstr && usblen >= 2 && src && *src && srclen) {
+ char* p;
+
+ /* The usb string format uses a single byte to represent length */
+ if (usblen > 256)
+ usblen = 256;
+
+ p = usbstr + 1;
+ *p++ = 0x03;
+ len = 2;
+ while (srclen && len < usblen) {
+ *p++ = *src++;
+ *p++ = 0;
+ len += 2;
+ srclen--;
+ }
+ *usbstr = (char)len;
+ }
+ return len;
+}
+
+/*
+ * cp2101_setstr
+ *
+ * Set a USB string descriptor using proprietary cp210x control messages.
+ * Return the number of characters actually written.
+ */
+inline int cp2101_setstr(struct usb_serial_port *port, int cmd, char *usbstr)
+{
+ unsigned len = usbstr[0];
+ int ret = cp2101_ctlmsg(port, 0xff, 0x40, 0x3700 | (cmd & 0xff), 0, usbstr,
+ len);
+ dbg("%s - cmd 0x%02x len %d ret %d", __FUNCTION__, cmd, len, ret);
+ return ret;
+}
+
+static int cp2101_open (struct usb_serial_port *port, struct file *filp)
+{
+ struct usb_serial *serial = port->serial;
+ int result;
+
+ dbg("%s - port %d", __FUNCTION__, port->number);
+
+ if (cp2101_set_config_single(port, CP2101_UART, UART_ENABLE)) {
+ DEV_ERR(&port->dev, "%s - Unable to enable UART\n",
+ __FUNCTION__);
+ return -EPROTO;
+ }
+
+ /* Start reading from the device */
+ usb_fill_bulk_urb (port->read_urb, serial->dev,
+ usb_rcvbulkpipe(serial->dev,
+ port->bulk_in_endpointAddress),
+ port->read_urb->transfer_buffer,
+ port->read_urb->transfer_buffer_length,
+ serial->type->read_bulk_callback,
+ port);
+ result = USB_SUBMIT_URB_KERNEL(port->read_urb);
+ if (result) {
+ DEV_ERR(&port->dev, "%s - failed resubmitting read urb, "
+ "error %d\n", __FUNCTION__, result);
+ return result;
+ }
+
+ /* Configure the termios structure */
+ cp2101_get_termios(port);
+
+ /* Set the DTR and RTS pins low */
+ cp2101_tiocmset(port, NULL, TIOCM_DTR | TIOCM_RTS, 0);
+
+ return 0;
+}
+
+static void cp2101_cleanup (struct usb_serial_port *port)
+{
+ struct usb_serial *serial = port->serial;
+
+ dbg("%s - port %d", __FUNCTION__, port->number);
+
+ if (serial != NULL && serial->dev) {
+ /* shutdown any bulk reads that might be going on */
+ if (serial->num_bulk_out)
+ USB_KILL_URB(port->write_urb);
+ if (serial->num_bulk_in)
+ USB_KILL_URB(port->read_urb);
+ }
+
+#ifdef LINUX26
+ kfree (usb_get_serial_port_data(port));
+ usb_set_serial_port_data(port, NULL);
+#else
+ /*TODOGLA: port.private maybe?
+ Nobody is using that at the moement in this driver*/
+#endif
+
+}
+
+static void cp2101_close (struct usb_serial_port *port, struct file * filp)
+{
+ dbg("%s - port %d", __FUNCTION__, port->number);
+
+ /* shutdown our urbs */
+ dbg("%s - shutting down urbs", __FUNCTION__);
+ USB_KILL_URB(port->write_urb);
+ USB_KILL_URB(port->read_urb);
+
+ cp2101_set_config_single(port, CP2101_UART, UART_DISABLE);
+}
+
+/*
+ * cp2101_get_termios
+ * Reads the baud rate, data bits, parity, stop bits and flow control mode
+ * from the device, corrects any unsupported values, and configures the
+ * termios structure to reflect the state of the device
+ */
+static void cp2101_get_termios (struct usb_serial_port *port)
+{
+ unsigned int cflag, modem_ctl[4];
+ int baud;
+ int bits;
+
+ dbg("%s - port %d", __FUNCTION__, port->number);
+
+ if ((!port->tty) || (!port->tty->termios)) {
+ dbg("%s - no tty structures", __FUNCTION__);
+ return;
+ }
+ cflag = port->tty->termios->c_cflag;
+
+ cp2101_get_config(port, CP2101_BAUDRATE, &baud, 2);
+ /* Convert to baudrate */
+ if (baud)
+ baud = BAUD_RATE_GEN_FREQ / baud;
+
+ dbg("%s - baud rate = %d", __FUNCTION__, baud);
+ cflag &= ~CBAUD;
+ switch (baud) {
+ /*
+ * The baud rates which are commented out below
+ * appear to be supported by the device
+ * but are non-standard
+ */
+ case 600: cflag |= B600; break;
+ case 1200: cflag |= B1200; break;
+ case 1800: cflag |= B1800; break;
+ case 2400: cflag |= B2400; break;
+ case 4800: cflag |= B4800; break;
+ /*case 7200: cflag |= B7200; break;*/
+ case 9600: cflag |= B9600; break;
+ /*case 14400: cflag |= B14400; break;*/
+ case 19200: cflag |= B19200; break;
+ /*case 28800: cflag |= B28800; break;*/
+ case 38400: cflag |= B38400; break;
+ /*case 55854: cflag |= B55054; break;*/
+ case 57600: cflag |= B57600; break;
+ case 115200: cflag |= B115200; break;
+ /*case 127117: cflag |= B127117; break;*/
+ case 230400: cflag |= B230400; break;
+ case 460800: cflag |= B460800; break;
+ case 921600: cflag |= B921600; break;
+ /*case 3686400: cflag |= B3686400; break;*/
+ default:
+ dbg("%s - Baud rate is not supported, "
+ "using 9600 baud", __FUNCTION__);
+ cflag |= B9600;
+ cp2101_set_config_single(port, CP2101_BAUDRATE,
+ (BAUD_RATE_GEN_FREQ/9600));
+ break;
+ }
+
+ cp2101_get_config(port, CP2101_BITS, &bits, 2);
+ cflag &= ~CSIZE;
+ switch(bits & BITS_DATA_MASK) {
+ case BITS_DATA_5:
+ dbg("%s - data bits = 5", __FUNCTION__);
+ cflag |= CS5;
+ break;
+ case BITS_DATA_6:
+ dbg("%s - data bits = 6", __FUNCTION__);
+ cflag |= CS6;
+ break;
+ case BITS_DATA_7:
+ dbg("%s - data bits = 7", __FUNCTION__);
+ cflag |= CS7;
+ break;
+ case BITS_DATA_8:
+ dbg("%s - data bits = 8", __FUNCTION__);
+ cflag |= CS8;
+ break;
+ case BITS_DATA_9:
+ dbg("%s - data bits = 9 (not supported, "
+ "using 8 data bits)", __FUNCTION__);
+ cflag |= CS8;
+ bits &= ~BITS_DATA_MASK;
+ bits |= BITS_DATA_8;
+ cp2101_set_config(port, CP2101_BITS, &bits, 2);
+ break;
+ default:
+ dbg("%s - Unknown number of data bits, "
+ "using 8", __FUNCTION__);
+ cflag |= CS8;
+ bits &= ~BITS_DATA_MASK;
+ bits |= BITS_DATA_8;
+ cp2101_set_config(port, CP2101_BITS, &bits, 2);
+ break;
+ }
+
+ switch(bits & BITS_PARITY_MASK) {
+ case BITS_PARITY_NONE:
+ dbg("%s - parity = NONE", __FUNCTION__);
+ cflag &= ~PARENB;
+ break;
+ case BITS_PARITY_ODD:
+ dbg("%s - parity = ODD", __FUNCTION__);
+ cflag |= (PARENB|PARODD);
+ break;
+ case BITS_PARITY_EVEN:
+ dbg("%s - parity = EVEN", __FUNCTION__);
+ cflag &= ~PARODD;
+ cflag |= PARENB;
+ break;
+ case BITS_PARITY_MARK:
+ dbg("%s - parity = MARK (not supported, "
+ "disabling parity)", __FUNCTION__);
+ cflag &= ~PARENB;
+ bits &= ~BITS_PARITY_MASK;
+ cp2101_set_config(port, CP2101_BITS, &bits, 2);
+ break;
+ case BITS_PARITY_SPACE:
+ dbg("%s - parity = SPACE (not supported, "
+ "disabling parity)", __FUNCTION__);
+ cflag &= ~PARENB;
+ bits &= ~BITS_PARITY_MASK;
+ cp2101_set_config(port, CP2101_BITS, &bits, 2);
+ break;
+ default:
+ dbg("%s - Unknown parity mode, "
+ "disabling parity", __FUNCTION__);
+ cflag &= ~PARENB;
+ bits &= ~BITS_PARITY_MASK;
+ cp2101_set_config(port, CP2101_BITS, &bits, 2);
+ break;
+ }
+
+ cflag &= ~CSTOPB;
+ switch(bits & BITS_STOP_MASK) {
+ case BITS_STOP_1:
+ dbg("%s - stop bits = 1", __FUNCTION__);
+ break;
+ case BITS_STOP_1_5:
+ dbg("%s - stop bits = 1.5 (not supported, "
+ "using 1 stop bit)", __FUNCTION__);
+ bits &= ~BITS_STOP_MASK;
+ cp2101_set_config(port, CP2101_BITS, &bits, 2);
+ break;
+ case BITS_STOP_2:
+ dbg("%s - stop bits = 2", __FUNCTION__);
+ cflag |= CSTOPB;
+ break;
+ default:
+ dbg("%s - Unknown number of stop bits, "
+ "using 1 stop bit", __FUNCTION__);
+ bits &= ~BITS_STOP_MASK;
+ cp2101_set_config(port, CP2101_BITS, &bits, 2);
+ break;
+ }
+
+ cp2101_get_config(port, CP2101_MODEMCTL, modem_ctl, 16);
+ if (modem_ctl[0] & 0x0008) {
+ dbg("%s - flow control = CRTSCTS", __FUNCTION__);
+ cflag |= CRTSCTS;
+ } else {
+ dbg("%s - flow control = NONE", __FUNCTION__);
+ cflag &= ~CRTSCTS;
+ }
+
+ port->tty->termios->c_cflag = cflag;
+}
+
+static void cp2101_set_termios (struct usb_serial_port *port,
+ struct termios *old_termios)
+{
+ unsigned int cflag, old_cflag=0;
+ int baud=0, bits;
+ unsigned int modem_ctl[4];
+
+ dbg("%s - port %d", __FUNCTION__, port->number);
+
+ if ((!port->tty) || (!port->tty->termios)) {
+ dbg("%s - no tty structures", __FUNCTION__);
+ return;
+ }
+ cflag = port->tty->termios->c_cflag;
+
+ /* Check that they really want us to change something */
+ if (old_termios) {
+ if ((cflag == old_termios->c_cflag) &&
+ (RELEVANT_IFLAG(port->tty->termios->c_iflag)
+ == RELEVANT_IFLAG(old_termios->c_iflag))) {
+ dbg("%s - nothing to change...", __FUNCTION__);
+ return;
+ }
+
+ old_cflag = old_termios->c_cflag;
+ }
+
+ /* If the baud rate is to be updated*/
+ if ((cflag & CBAUD) != (old_cflag & CBAUD)) {
+ switch (cflag & CBAUD) {
+ /*
+ * The baud rates which are commented out below
+ * appear to be supported by the device
+ * but are non-standard
+ */
+ case B0: baud = 0; break;
+ case B600: baud = 600; break;
+ case B1200: baud = 1200; break;
+ case B1800: baud = 1800; break;
+ case B2400: baud = 2400; break;
+ case B4800: baud = 4800; break;
+ /*case B7200: baud = 7200; break;*/
+ case B9600: baud = 9600; break;
+ /*ase B14400: baud = 14400; break;*/
+ case B19200: baud = 19200; break;
+ /*case B28800: baud = 28800; break;*/
+ case B38400: baud = 38400; break;
+ /*case B55854: baud = 55054; break;*/
+ case B57600: baud = 57600; break;
+ case B115200: baud = 115200; break;
+ /*case B127117: baud = 127117; break;*/
+ case B230400: baud = 230400; break;
+ case B460800: baud = 460800; break;
+ case B921600: baud = 921600; break;
+ /*case B3686400: baud = 3686400; break;*/
+ default:
+ DEV_ERR(&port->dev, "cp2101 driver does not "
+ "support the baudrate requested\n");
+ break;
+ }
+
+ if (baud) {
+ dbg("%s - Setting baud rate to %d baud", __FUNCTION__,
+ baud);
+ if (cp2101_set_config_single(port, CP2101_BAUDRATE,
+ (BAUD_RATE_GEN_FREQ / baud)))
+ DEV_ERR(&port->dev, "Baud rate requested not "
+ "supported by device\n");
+ }
+ }
+
+ /* If the number of data bits is to be updated */
+ if ((cflag & CSIZE) != (old_cflag & CSIZE)) {
+ cp2101_get_config(port, CP2101_BITS, &bits, 2);
+ bits &= ~BITS_DATA_MASK;
+ switch (cflag & CSIZE) {
+ case CS5:
+ bits |= BITS_DATA_5;
+ dbg("%s - data bits = 5", __FUNCTION__);
+ break;
+ case CS6:
+ bits |= BITS_DATA_6;
+ dbg("%s - data bits = 6", __FUNCTION__);
+ break;
+ case CS7:
+ bits |= BITS_DATA_7;
+ dbg("%s - data bits = 7", __FUNCTION__);
+ break;
+ case CS8:
+ bits |= BITS_DATA_8;
+ dbg("%s - data bits = 8", __FUNCTION__);
+ break;
+ /*case CS9:
+ bits |= BITS_DATA_9;
+ dbg("%s - data bits = 9", __FUNCTION__);
+ break;*/
+ default:
+ DEV_ERR(&port->dev, "cp2101 driver does not "
+ "support the number of bits requested,"
+ " using 8 bit mode\n");
+ bits |= BITS_DATA_8;
+ break;
+ }
+ if (cp2101_set_config(port, CP2101_BITS, &bits, 2))
+ DEV_ERR(&port->dev,"Number of data bits requested "
+ "not supported by device\n");
+ }
+
+ if ((cflag & (PARENB|PARODD)) != (old_cflag & (PARENB|PARODD))) {
+ cp2101_get_config(port, CP2101_BITS, &bits, 2);
+ bits &= ~BITS_PARITY_MASK;
+ if (cflag & PARENB) {
+ if (cflag & PARODD) {
+ bits |= BITS_PARITY_ODD;
+ dbg("%s - parity = ODD", __FUNCTION__);
+ } else {
+ bits |= BITS_PARITY_EVEN;
+ dbg("%s - parity = EVEN", __FUNCTION__);
+ }
+ }
+ if (cp2101_set_config(port, CP2101_BITS, &bits, 2))
+ DEV_ERR(&port->dev,"Parity mode not supported "
+ "by device\n");
+ }
+
+ if ((cflag & CSTOPB) != (old_cflag & CSTOPB)) {
+ cp2101_get_config(port, CP2101_BITS, &bits, 2);
+ bits &= ~BITS_STOP_MASK;
+ if (cflag & CSTOPB) {
+ bits |= BITS_STOP_2;
+ dbg("%s - stop bits = 2", __FUNCTION__);
+ } else {
+ bits |= BITS_STOP_1;
+ dbg("%s - stop bits = 1", __FUNCTION__);
+ }
+ if (cp2101_set_config(port, CP2101_BITS, &bits, 2))
+ DEV_ERR(&port->dev,"Number of stop bits requested "
+ "not supported by device\n");
+ }
+
+ if ((cflag & CRTSCTS) != (old_cflag & CRTSCTS)) {
+ cp2101_get_config(port, CP2101_MODEMCTL, modem_ctl, 16);
+ dbg("%s - read modem controls = 0x%.4x 0x%.4x 0x%.4x 0x%.4x",
+ __FUNCTION__, modem_ctl[0], modem_ctl[1],
+ modem_ctl[2], modem_ctl[3]);
+
+ if (cflag & CRTSCTS) {
+ modem_ctl[0] &= ~0x7B;
+ modem_ctl[0] |= 0x09;
+ modem_ctl[1] = 0x80;
+ dbg("%s - flow control = CRTSCTS", __FUNCTION__);
+ } else {
+ modem_ctl[0] &= ~0x7B;
+ modem_ctl[0] |= 0x01;
+ modem_ctl[1] |= 0x40;
+ dbg("%s - flow control = NONE", __FUNCTION__);
+ }
+
+ dbg("%s - write modem controls = 0x%.4x 0x%.4x 0x%.4x 0x%.4x",
+ __FUNCTION__, modem_ctl[0], modem_ctl[1],
+ modem_ctl[2], modem_ctl[3]);
+ cp2101_set_config(port, CP2101_MODEMCTL, modem_ctl, 16);
+ }
+
+}
+
+static int cp2101_tiocmset (struct usb_serial_port *port, struct file *file,
+ unsigned int set, unsigned int clear)
+{
+ int control = 0;
+
+ dbg("%s - port %d", __FUNCTION__, port->number);
+
+ if (set & TIOCM_RTS) {
+ control |= CONTROL_RTS;
+ control |= CONTROL_WRITE_RTS;
+ }
+ if (set & TIOCM_DTR) {
+ control |= CONTROL_DTR;
+ control |= CONTROL_WRITE_DTR;
+ }
+ if (clear & TIOCM_RTS) {
+ control &= ~CONTROL_RTS;
+ control |= CONTROL_WRITE_RTS;
+ }
+ if (clear & TIOCM_DTR) {
+ control &= ~CONTROL_DTR;
+ control |= CONTROL_WRITE_DTR;
+ }
+
+ dbg("%s - control = 0x%.4x", __FUNCTION__, control);
+
+ return cp2101_set_config(port, CP2101_CONTROL, &control, 2);
+
+}
+
+static int cp2101_tiocmget (struct usb_serial_port *port, struct file *file)
+{
+ int control, result;
+
+ dbg("%s - port %d", __FUNCTION__, port->number);
+
+ cp2101_get_config(port, CP2101_CONTROL, &control, 1);
+
+ result = ((control & CONTROL_DTR) ? TIOCM_DTR : 0)
+ |((control & CONTROL_RTS) ? TIOCM_RTS : 0)
+ |((control & CONTROL_CTS) ? TIOCM_CTS : 0)
+ |((control & CONTROL_DSR) ? TIOCM_DSR : 0)
+ |((control & CONTROL_RING)? TIOCM_RI : 0)
+ |((control & CONTROL_DCD) ? TIOCM_CD : 0);
+
+ dbg("%s - control = 0x%.2x", __FUNCTION__, control);
+
+ return result;
+}
+
+static void cp2101_break_ctl (struct usb_serial_port *port, int break_state)
+{
+ int state;
+
+ dbg("%s - port %d", __FUNCTION__, port->number);
+ if (break_state == 0)
+ state = BREAK_OFF;
+ else
+ state = BREAK_ON;
+ dbg("%s - turning break %s", __FUNCTION__,
+ state==BREAK_OFF ? "off" : "on");
+ cp2101_set_config(port, CP2101_BREAK, &state, 2);
+}
+
+/* Set all gpio simultaneously */
+static int cp2101_gpioset(struct usb_serial_port *port, u8 gpio)
+{
+ dbg("%s - port %d, gpio = 0x%.2x", __FUNCTION__, port->number, gpio);
+
+ return cp2101_ctlmsg(port, 0xff, 0x40, 0x37e1,
+ ((uint16_t)gpio << 8) | GPIO_MASK, 0, 0);
+}
+
+/* Set select gpio bits */
+static int cp2101_gpiosetb(struct usb_serial_port *port, u8 set, u8 clear)
+{
+ u16 gpio = 0;
+
+ /* The bitmask is in the LSB, the values in the MSB */
+ if (set & GPIO_0)
+ gpio |= (GPIO_0 << 8)|GPIO_0;
+ if (set & GPIO_1)
+ gpio |= (GPIO_1 << 8)|GPIO_1;
+ if (set & GPIO_2)
+ gpio |= (GPIO_2 << 8)|GPIO_2;
+ if (set & GPIO_3)
+ gpio |= (GPIO_3 << 8)|GPIO_3;
+ if (clear & GPIO_0)
+ gpio = (gpio & ~(GPIO_0 << 8))|GPIO_0;
+ if (clear & GPIO_1)
+ gpio = (gpio & ~(GPIO_1 << 8))|GPIO_1;
+ if (clear & GPIO_2)
+ gpio = (gpio & ~(GPIO_2 << 8))|GPIO_2;
+ if (clear & GPIO_3)
+ gpio = (gpio & ~(GPIO_3 << 8))|GPIO_3;
+
+ dbg("%s - port %d, gpiob = 0x%.4x", __FUNCTION__, port->number, gpio);
+
+ /* FIXME: how about REQTYPE_HOST_TO_DEVICE instead of 0x40? */
+ return cp2101_ctlmsg(port, 0xff, 0x40, 0x37e1, gpio, 0, 0);
+}
+
+static int cp2101_gpioget(struct usb_serial_port *port, u8* gpio)
+{
+ int ret;
+
+ dbg("%s - port %d", __FUNCTION__, port->number);
+
+ /* FIXME: how about REQTYPE_DEVICE_TO_HOST instead of 0xc0? */
+ ret = cp2101_ctlmsg(port, 0xff, 0xc0, 0x00c2, 0, gpio, 1);
+
+ dbg("%s - gpio = 0x%.2x (%d)", __FUNCTION__, *gpio, ret);
+
+ return (ret == 1) ? 0 : -1;
+}
+
+static int cp2101_portconfset(struct usb_serial_port *port,
+ cp2101_port_config_t* config)
+{
+ cp2101_port_config_t lconfig;
+ int ret;
+
+ dbg("%s", __FUNCTION__);
+
+ memcpy(&lconfig, config, sizeof(lconfig));
+
+ /* apparently not implemented yet */
+ lconfig.suspend.lowPower = 0;
+ lconfig.reset.lowPower = 0;
+
+ /* Words from cp2103 are MSB */
+ lconfig.reset.mode = cpu_to_be16(config->reset.mode);
+ /* lconfig.reset.lowPower = cpu_to_be16(config->reset.lowPower); */
+ lconfig.reset.latch = cpu_to_be16(config->reset.latch);
+ lconfig.suspend.mode = cpu_to_be16(config->suspend.mode);
+ /* lconfig.suspend.lowPower = cpu_to_be16(config->suspend.lowPower); */
+ lconfig.suspend.latch = cpu_to_be16(config->suspend.latch);
+
+ ret = cp2101_ctlmsg(port, 0xff, 0x40, 0x370c, 0, &lconfig, PORT_CONFIG_LEN);
+ if (ret == PORT_CONFIG_LEN)
+ return 0;
+ else if (ret >= 0)
+ return -1;
+ else
+ return ret;
+}
+
+static int cp2101_portconfget(struct usb_serial_port *port,
+ cp2101_port_config_t* config)
+{
+ int ret;
+
+ dbg("%s", __FUNCTION__);
+
+ ret = cp2101_ctlmsg(port, 0xff, 0xc0, 0x370c, 0, config, PORT_CONFIG_LEN);
+ if (ret == PORT_CONFIG_LEN) {
+ /* Words from cp2103 are MSB */
+ config->reset.mode = be16_to_cpu(config->reset.mode);
+ config->reset.lowPower = be16_to_cpu(config->reset.lowPower);
+ config->reset.latch = be16_to_cpu(config->reset.latch);
+ config->suspend.mode = be16_to_cpu(config->suspend.mode);
+ config->suspend.lowPower = be16_to_cpu(config->suspend.lowPower);
+ config->suspend.latch = be16_to_cpu(config->suspend.latch);
+
+ /* apparently not implemented yet */
+ config->reset.lowPower = 0;
+ config->suspend.lowPower = 0;
+
+ return 0;
+ } else if (ret >= 0)
+ return -1;
+ else
+ return ret;
+
+}
+
+static int cp2101_ioctl (struct usb_serial_port *port, struct file *file,
+ unsigned int cmd, unsigned long arg)
+{
+ dbg("%s (%d) cmd = 0x%04x", __FUNCTION__, port->number, cmd);
+
+ switch (cmd) {
+
+#ifndef LINUX26
+ case TIOCMGET:
+ {
+ int result = cp2101_tiocmget(port, file);
+ if (copy_to_user(&arg, &result, sizeof(int)))
+ return -EFAULT;
+ return 0;
+ }
+ break;
+
+ case TIOCMSET:
+ case TIOCMBIS:
+
+ case TIOCMBIC:
+ {
+ int val = 0;
+
+ if (copy_from_user(&val, &arg, sizeof(int)))
+ return -EFAULT;
+
+/* this looks wrong: TIOCMSET isn't going to work right */
+ if(cp2101_tiocmset(port, file, cmd==TIOCMBIC?0:val, cmd==TIOCMBIC?val:0))
+ return -EFAULT;
+ return 0;
+ }
+ break;
+#endif
+
+ case IOCTL_GPIOGET:
+ if (cp2101_get_partnum(port) == CP210x_CP2103_VERSION) {
+ u8 gpio = 0;
+ if (!cp2101_gpioget(port, &gpio) &&
+ !copy_to_user((u8*)arg, &gpio, sizeof(gpio)))
+ return 0;
+ }
+ return -EFAULT;
+ break;
+
+ case IOCTL_GPIOSET:
+ if (cp2101_get_partnum(port) == CP210x_CP2103_VERSION &&
+ !cp2101_gpioset(port, arg))
+ return 0;
+ return -EFAULT;
+ break;
+
+ case IOCTL_GPIOBIC:
+ case IOCTL_GPIOBIS:
+ if (cp2101_get_partnum(port) == CP210x_CP2103_VERSION &&
+ !cp2101_gpiosetb(port, (cmd==IOCTL_GPIOBIC) ? 0 : arg,
+ (cmd==IOCTL_GPIOBIC) ? arg : 0))
+ return 0;
+ return -EFAULT;
+ break;
+
+ case IOCTL_DEVICERESET:
+ return cp2101_reset(port);
+ break;
+
+ case IOCTL_PORTCONFGET:
+ {
+ cp2101_port_config_t config;
+ if (!cp2101_portconfget(port, &config) &&
+ !copy_to_user((cp2101_port_config_t*)arg, &config,
+ sizeof(config)))
+ return 0;
+ }
+ return -EFAULT;
+ break;
+
+ case IOCTL_PORTCONFSET:
+ {
+ cp2101_port_config_t config;
+ if (!copy_from_user(&config, (cp2101_port_config_t*)arg,
+ sizeof(config)) &&
+ !cp2101_portconfset(port, &config))
+ return 0;
+ return -EFAULT;
+ }
+ break;
+
+ case IOCTL_SETVID:
+ {
+ unsigned int vid;
+ if (!copy_from_user(&vid, (unsigned int *)arg,
+ sizeof(unsigned int)) &&
+ !cp2101_setu16(port, 0x01, vid))
+ return 0;
+ return -EFAULT;
+ }
+ break;
+
+ case IOCTL_SETPID:
+ {
+ unsigned int pid;
+ if (!copy_from_user(&pid, (unsigned int *)arg,
+ sizeof(unsigned int)) &&
+ !cp2101_setu16(port, 0x02, pid))
+ return 0;
+ return -EFAULT;
+ }
+ break;
+
+ case IOCTL_SETMFG:
+#if 0 /* Don't know how to set manufacturer desc yet */
+ {
+ char usbstr[CP210x_MAX_MFG_STRLEN * 2 + 2];
+ size_t len = copy_buf_from_user(
+ usbstr + sizeof(usbstr) - CP210x_MAX_MFG_STRLEN, arg,
+ CP210x_MAX_MFG_STRLEN);
+ len = make_usb_string(usbstr, sizeof(usbstr), str, len);
+ if (len && cp2101_setstr(port, 0x00, usbstr) == len)
+ return 0;
+ return -EFAULT;
+ }
+#endif
+ break;
+
+ case IOCTL_SETPRODUCT:
+ {
+ char usbstr[CP210x_MAX_PRODUCT_STRLEN * 2 + 2];
+ char* str = usbstr + sizeof(usbstr) - CP210x_MAX_PRODUCT_STRLEN;
+ size_t len = copy_buf_from_user(str, arg,
+ CP210x_MAX_PRODUCT_STRLEN);
+ len = make_usb_string(usbstr, sizeof(usbstr), str, len);
+ if (len && cp2101_setstr(port, 0x03, usbstr) == len)
+ return 0;
+ return -EFAULT;
+ }
+ break;
+
+ case IOCTL_SETSERIAL:
+ {
+ char usbstr[CP210x_MAX_SERIAL_STRLEN * 2 + 2];
+ char* str = usbstr + sizeof(usbstr) - CP210x_MAX_SERIAL_STRLEN;
+ size_t len = copy_buf_from_user(str, arg,
+ CP210x_MAX_SERIAL_STRLEN);
+ len = make_usb_string(usbstr, sizeof(usbstr), str, len);
+ if (len && cp2101_setstr(port, 0x04, usbstr) == len)
+ return 0;
+ return -EFAULT;
+ }
+ break;
+
+ case IOCTL_SETDEVVER:
+ {
+ unsigned int ver;
+ if (!copy_from_user(&ver, (unsigned int *)arg,
+ sizeof(unsigned int)) &&
+ !cp2101_setu16(port, 0x07, ver))
+ return 0;
+ return -EFAULT;
+ }
+ break;
+
+ default:
+ dbg("%s not supported = 0x%04x", __FUNCTION__, cmd);
+ break;
+ }
+
+ return -ENOIOCTLCMD;
+}
+
+static int cp2101_startup (struct usb_serial *serial)
+{
+ /* CP2101 buffers behave strangely unless device is reset */
+ usb_reset_device(serial->dev);
+ return 0;
+}
+
+static void cp2101_shutdown (struct usb_serial *serial)
+{
+ int i;
+
+ dbg("%s", __FUNCTION__);
+
+ /* Stop reads and writes on all ports */
+ for (i=0; i < serial->num_ports; ++i) {
+#ifdef LINUX26
+ cp2101_cleanup(serial->port[i]);
+#else
+ cp2101_cleanup(&serial->port[i]);
+#endif
+ }
+}
+
+static int __init cp2101_init (void)
+{
+ int retval;
+
+ retval = usb_serial_register(&cp2101_device);
+ if (retval)
+ return retval; /* Failed to register */
+
+#ifdef LINUX26
+ retval = usb_register(&cp2101_driver);
+ if (retval) {
+ /* Failed to register */
+ usb_serial_deregister(&cp2101_device);
+ return retval;
+ }
+#endif
+ /* Success */
+ info(DRIVER_DESC " " DRIVER_VERSION);
+ return 0;
+}
+
+static void __exit cp2101_exit (void)
+{
+#ifdef LINUX26
+ usb_deregister (&cp2101_driver);
+#endif
+ usb_serial_deregister (&cp2101_device);
+}
+
+module_init(cp2101_init);
+module_exit(cp2101_exit);
+
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_LICENSE("GPL");
+
+#ifdef LINUX26
+MODULE_VERSION(DRIVER_VERSION);
+module_param(debug, bool, S_IRUGO | S_IWUSR);
+#else
+MODULE_PARM(debug, "i");
+#endif
+MODULE_PARM_DESC(debug, "Enable verbose debugging messages");
+
+/*
+vi:ts=4
+*/
+
--- /dev/null
+.PHONY: all
+
+PROGS = cpmfg cpio cptwiddle
+# LDFLAGS += -lusb
+
+all: $(PROGS)
+
+$(PROGS): %: %.o
+
+clean:
+ @rm -rf $(PROGS) $(PROGS:%=%.o)
--- /dev/null
+Simple test applications for using the enhanced IOCTL's of the cp2101 driver.
--- /dev/null
+/**
+ * cpio.c
+ *
+ * Set cp2103 GPIO_0 and GPIO_1 for LED connection to get RX/TX activity.
+ * Watch out, the tty is hardcoded.
+ */
+
+#include <netinet/in.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#define IOCTL_DEVICERESET 0x8004 /* Get port configuration */
+#define IOCTL_PORTCONFGET 0x8005 /* Get port configuration */
+#define IOCTL_PORTCONFSET 0x8006 /* Set port configuration */
+
+typedef struct {
+ uint16_t mode;
+ uint16_t lowPower;
+ uint16_t latch;
+} cp2103_port_state_t;
+
+typedef struct {
+ cp2103_port_state_t reset;
+ cp2103_port_state_t suspend;
+ uint8_t enhancedFxn;
+} cp2103_port_config_t;
+
+int cpConnect()
+{
+ int ret, ioval;
+ int fd = open("/dev/usb/tts/0", O_RDWR);
+ if (fd < 0) {
+ fprintf(stderr, "cannot open tty\n");
+ return -1;
+ }
+ printf("tty opened\n");
+ return fd;
+}
+
+void cpDisconnect(int fd)
+{
+ if (fd >= 0)
+ close(fd);
+}
+
+int main()
+{
+ int fd;
+ cp2103_port_config_t config;
+ int ret;
+
+ /* open */
+ if ((fd = cpConnect()) < 0)
+ return 1;
+
+ /* Read the current port configuration */
+ if ((ret = ioctl(fd, IOCTL_PORTCONFGET, &config))) {
+ fprintf(stderr, "portconfget ioctl failed %d\n", ret);
+ return 1;
+ }
+
+ /* Set the current port configuration; turn on GPIO_0 and GPIO_1 to get
+ * activity LEDs.
+ */
+ config.reset.mode &= ~0x0300;
+ config.suspend.mode &= ~0x0300;
+ config.reset.latch |= 0x0300;
+ config.enhancedFxn &= ~0x03;
+ if ((ret = ioctl(fd, IOCTL_PORTCONFSET, &config))) {
+ fprintf(stderr, "portconfset ioctl failed %d\n", ret);
+ return 1;
+ }
+
+ /* Reset the part so the changes take effect. */
+ if ((ret = ioctl(fd, IOCTL_DEVICERESET, 0))) {
+ fprintf(stderr, "device reset ioctl %d\n", ret);
+ return 1;
+ }
+
+ cpDisconnect(fd);
+ return 0;
+}
--- /dev/null
+/**
+ * cpcfg.c
+ *
+ * Configure the USB descriptor and GPIO configurations for a cp2103-equipped
+ * device.
+ */
+
+#include <netinet/in.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#define VID 0x10c4
+#define PID 0xea60
+
+/* CP2103 ioctls */
+#define IOCTL_GPIOGET 0x8000 /* Get gpio bits */
+#define IOCTL_GPIOSET 0x8001 /* Set gpio bits */
+#define IOCTL_GPIOBIC 0x8002 /* Clear specific gpio bit(s) */
+#define IOCTL_GPIOBIS 0x8003 /* Set specific gpio bit(s) */
+
+/* CP210x ioctls principally used during initial device configuration */
+#define IOCTL_DEVICERESET 0x8004 /* Reset the cp210x */
+#define IOCTL_PORTCONFGET 0x8005 /* Get port configuration */
+#define IOCTL_PORTCONFSET 0x8006 /* Set port configuration */
+#define IOCTL_SETVID 0x8007 /* Set vendor id */
+#define IOCTL_SETPID 0x8008 /* Set product id */
+#define IOCTL_SETMFG 0x8009 /* Set manufacturer string */
+#define IOCTL_SETPRODUCT 0x800a /* Set product string */
+#define IOCTL_SETSERIAL 0x800b /* Set serial number string */
+#define IOCTL_SETDEVVER 0x800c /* set device version id */
+/* FIXME: where is IOCTL_SETMFG? */
+
+/* CP2103 GPIO */
+#define GPIO_0 0x01
+#define GPIO_1 0x02
+#define GPIO_2 0x04
+#define GPIO_3 0x08
+#define GPIO_MASK (GPIO_0|GPIO_1|GPIO_2|GPIO_3)
+
+/* Port config definitions */
+typedef struct {
+ uint16_t mode; /* Push-pull = 1, Open-drain = 0 */
+ uint16_t lowPower;
+ uint16_t latch; /* Logic high = 1, Logic low = 0 */
+} cp2101_port_state_t;
+
+typedef struct {
+ cp2101_port_state_t reset;
+ cp2101_port_state_t suspend;
+ uint8_t enhancedFxn;
+} cp2101_port_config_t;
+
+#define PORT_CONFIG_LEN 13 /* Because sizeof() will pad to full words */
+
+/* Used to pass variable sized buffers between user and kernel space (ioctls) */
+typedef struct {
+ char* buf;
+ size_t len;
+} cp210x_buffer_t;
+
+void exit(int);
+
+int cpConnect(char* device)
+{
+ int ret, ioval;
+ int fd = open(device, O_RDWR);
+ if (fd < 0) {
+ fprintf(stderr, "cannot open %s\n", device);
+ exit(1);
+ }
+ printf("%s opened\n", device);
+ return fd;
+}
+
+void cpDisconnect(int fd)
+{
+ if (fd >= 0)
+ close(fd);
+}
+
+void cpSetStr(int fd, unsigned int ioctlno, char* string, size_t len)
+{
+ int ret;
+ cp210x_buffer_t buf = { buf: string, len: len };
+
+ ret = ioctl(fd, ioctlno, &buf);
+ if (ret) {
+ fprintf(stderr, "failed to set via ioctl 0x%04x, err %d\n", ioctlno,
+ ret);
+ exit(1);
+ }
+}
+
+void cpSetLeds(int fd)
+{
+ int ret;
+ cp2101_port_config_t config;
+
+ /* Read the current port configuration */
+ if ((ret = ioctl(fd, IOCTL_PORTCONFGET, &config))) {
+ fprintf(stderr, "portconfget ioctl failed %d\n", ret);
+ exit(1);
+ }
+
+ /* Set the current port configuration; turn on GPIO_0 and GPIO_1 to get
+ * activity LEDs. GPIO_2 and GPIO_3 are set for 'regular' gpio.
+ */
+ config.reset.mode &= ~0x0300;
+ config.suspend.mode &= ~0x0300;
+ config.reset.latch |= 0x0300;
+ config.enhancedFxn |= 0x03;
+ config.enhancedFxn &= ~0x10; /* turn off weak pullups */
+ if ((ret = ioctl(fd, IOCTL_PORTCONFSET, &config))) {
+ fprintf(stderr, "portconfset ioctl failed %d\n", ret);
+ exit(1);
+ }
+}
+
+void cpReset(int fd)
+{
+ int ret;
+
+ /* Reset the part */
+ if ((ret = ioctl(fd, IOCTL_DEVICERESET, 0))) {
+ fprintf(stderr, "device reset ioctl %d\n", ret);
+ exit(1);
+ }
+}
+
+int main(int argc, char* argv[])
+{
+ /* char newmfg[255] = "Company Name"; */
+ char newprod[255] = "CompanyName ";
+ char newsn[255];
+ int fd;
+
+ if (argc != 4) {
+ fprintf(stderr, "usage: %s <tty> <part#> <sn#>\n", argv[0]);
+ exit(1);
+ }
+
+ strcat(newprod, argv[2]);
+ strcpy(newsn, argv[3]);
+ fd = cpConnect(argv[1]);
+ /* SiLabs doesn't allow set of mfg string on cp210x.
+ * cpSetStr(fd, IOCTL_SETMFG, newmfg, strlen(newmfg));
+ */
+ cpSetStr(fd, IOCTL_SETPRODUCT, newprod, strlen(newprod));
+ cpSetStr(fd, IOCTL_SETSERIAL, newsn, strlen(newsn));
+ cpSetLeds(fd);
+ cpReset(fd);
+ cpDisconnect(fd);
+ printf("done\n");
+ return 0;
+}
--- /dev/null
+/**
+ * cptwiddle.c
+ *
+ * Twiddle the leds connected to the cp2103's GPIO_0 and GPIO_1 pins on the
+ * USB device. Twiddle does the following:
+ *
+ * - Saves the current latch and port config settings
+ * - Reconfigures for leds as IO
+ * - Resets the device and reconnects to it
+ * - Twiddles the LEDs
+ * - Restores the original configuration
+ * - Resets the device again so that the original config is immediately active
+ *
+ * Watch out; the tty device is hard-coded.
+ */
+
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+/* CP2103 ioctls */
+#define IOCTL_GPIOGET 0x8000 /* Get gpio bits */
+#define IOCTL_GPIOSET 0x8001 /* Set gpio bits */
+#define IOCTL_GPIOBIC 0x8002 /* Clear specific gpio bit(s) */
+#define IOCTL_GPIOBIS 0x8003 /* Set specific gpio bit(s) */
+
+/* CP210x ioctls principally used during initial device configuration */
+#define IOCTL_DEVICERESET 0x8004 /* Reset the cp210x */
+#define IOCTL_PORTCONFGET 0x8005 /* Get port configuration */
+#define IOCTL_PORTCONFSET 0x8006 /* Set port configuration */
+#define IOCTL_SETVID 0x8007 /* Set vendor id */
+#define IOCTL_SETPID 0x8008 /* Set product id */
+#define IOCTL_SETMFG 0x8009 /* Set manufacturer string */
+#define IOCTL_SETPRODUCT 0x800a /* Set product string */
+#define IOCTL_SETSERIAL 0x800b /* Set serial number string */
+#define IOCTL_SETDEVVER 0x800c /* set device version id */
+/* FIXME: where is IOCTL_SETMFG? */
+
+
+typedef struct {
+ uint16_t mode;
+ uint16_t lowPower;
+ uint16_t latch;
+} cp2103_port_state_t;
+
+typedef struct {
+ cp2103_port_state_t reset;
+ cp2103_port_state_t suspend;
+ uint8_t enhancedFxn;
+} cp2103_port_config_t;
+
+int cpConnect()
+{
+ int ret, ioval;
+ int fd = open("/dev/usb/tts/0", O_RDWR);
+ if (fd < 0) {
+ fprintf(stderr, "cannot open tty\n");
+ return -1;
+ }
+ printf("tty opened\n");
+ return fd;
+}
+
+void cpDisconnect(int fd)
+{
+ if (fd >= 0)
+ close(fd);
+}
+
+int main()
+{
+ int fd;
+ cp2103_port_config_t config;
+ cp2103_port_config_t saveConfig;
+ uint8_t saveGpio;
+ int ret;
+ int i;
+
+ if ((fd = cpConnect()) < 0)
+ return 1;
+
+ /* Read the current port configuration */
+ if ((ret = ioctl(fd, IOCTL_PORTCONFGET, &config))) {
+ fprintf(stderr, "portconfget ioctl failed %d\n", ret);
+ return 1;
+ }
+ memcpy(&saveConfig, &config, sizeof(config));
+ printf("port config received\n");
+
+ /* Read the current gpio latches */
+ if ((ret = ioctl(fd, IOCTL_GPIOGET, &saveGpio))) {
+ fprintf(stderr, "gpioget ioctl failed %d\n", ret);
+ return 1;
+ }
+ printf("saved gpio latches 0x%02x\n", saveGpio);
+
+ /* Set the current port configuration; set GPIO_0 and GPIO_1 as outputs */
+ config.reset.mode &= ~0x0300;
+ config.suspend.mode &= ~0x0300;
+ config.reset.latch |= 0x0300;
+ config.enhancedFxn &= ~0x03;
+ if ((ret = ioctl(fd, IOCTL_PORTCONFSET, &config))) {
+ fprintf(stderr, "portconfset ioctl failed %d\n", ret);
+ return 1;
+ }
+ printf("port config altered\n");
+
+ /* Reset the part */
+ if ((ret = ioctl(fd, IOCTL_DEVICERESET, 0))) {
+ fprintf(stderr, "device reset ioctl failed %d\n", ret);
+ return 1;
+ }
+ printf("device reset\n");
+
+ /* Disconnect then reconnect */
+ cpDisconnect(fd);
+ printf("disconnected\n");
+ for (i = 0; i < 10; i++) {
+ sleep(1);
+ if ((fd = cpConnect()) >= 0)
+ break;
+ }
+ if (i == 100) {
+ printf("failed to reconnect\n");
+ return 1;
+ }
+ printf("reconnected\n");
+
+ /* Now, twiddle some bits */
+ for (i = 0; i < 8; i++) {
+ uint8_t leds = i & 0x03;
+ if ((ret = ioctl(fd, IOCTL_GPIOSET, leds))) {
+ fprintf(stderr, "gpio set ioctl failed %d\n", ret);
+ return 1;
+ }
+ printf("set leds %u\n", leds);
+ sleep(1);
+ }
+
+ /* Restore the original latches */
+ if ((ret = ioctl(fd, IOCTL_GPIOSET, saveGpio))) {
+ fprintf(stderr, "gpio set ioctl failed %d\n", ret);
+ return 1;
+ }
+ printf("gpio latches restored\n");
+
+ /* Return the original configuration */
+ if ((ret = ioctl(fd, IOCTL_PORTCONFSET, &saveConfig))) {
+ fprintf(stderr, "portconfset ioctl failed %d\n", ret);
+ return 1;
+ }
+ printf("port config restored\n");
+
+ /* Reset the part again */
+ if ((ret = ioctl(fd, IOCTL_DEVICERESET, 0))) {
+ fprintf(stderr, "device reset ioctl failed %d\n", ret);
+ return 1;
+ }
+ printf("device reset again\n");
+
+ cpDisconnect(fd);
+ return 0;
+}
--- /dev/null
+#!/bin/bash
+
+if [ -f $1 ] ; then
+ if [ ! -d $3 ] ; then
+ echo "ERR: \"$3\" does not exist."
+ exit 1
+ fi
+
+ if [ -d $2/kernel/drivers ] ; then
+ installpath=$2/kernel/drivers/usb/serial/$1
+ else
+ installpath=$2/$1
+ fi
+
+ install -m 444 -D $1 $installpath
+
+ if [ $? != 0 ] ; then
+ echo "ERR: Failed to install $1 in $installpath"
+ exit 1
+ else
+ echo "Installed $1 in $installpath"
+ fi
+
+ depmod
+ exit 0
+else
+ echo "ERR: Module \"$1\" not present"
+ exit 1
+fi
--- /dev/null
+#!/bin/sh
+THISDIR=`pwd`
+RPMROOT=/usr/src/redhat
+NAME=cp2103
+VER_MAJ=0
+VER_MIN=11
+VER_PAT=0
+VERSION=$VER_MAJ.$VER_MIN.$VER_PAT
+
+echo $PWD
+echo "Creating infrastructure."
+cd $RPMROOT/SOURCES
+rm -rf $NAME-$VERSION
+rm -rf $NAME-$VERSION.tar.gz
+mkdir $NAME-$VERSION
+cd $NAME-$VERSION
+
+echo "Copying source code."
+cp -R $THISDIR/. .
+echo "Packaging source code."
+cd ..
+tar cvf $NAME-$VERSION.tar $NAME-$VERSION
+gzip $NAME-$VERSION.tar
+
+echo "Copying source to RPM subsystem."
+cp $NAME-$VERSION/rpm/$NAME.spec $RPMROOT/SPECS/.
+
+echo "Starting RPM build..."
+
+KERNEL_BLD_VERSION=`uname -r`
+export KERNEL_BLD_VERSION
+
+rpmbuild -bs $RPMROOT/SPECS/cp2103.spec
+
+
+
+
+
--- /dev/null
+# RPM header info
+Summary: Silicon Labs CP2101/CP2102/CP2103 USB To Serial Bridge driver
+Name: cp2103
+Version: 0.11.0
+Release: 1
+Group: System Environment/Kernel
+BuildRoot: /var/tmp/%{name}-%{version}-%{release}
+ExclusiveOS: linux
+Source: %{name}-%{version}.tar.gz
+Packager: Intelligraphics, Inc.
+Vendor: Silicon Laboratories, Inc.
+License: GPL
+
+%description
+Device driver kernel module for the Silicon Laboratories CP2101/CP2102/CP2103 USB To Serial Bridge.
+
+%prep
+%setup -q
+
+%build
+./configure
+make -f Makefile.go modules
+
+%install
+make -f Makefile.go install
+
+%clean
+make -f Makefile.go distclean
+
+%files
+%defattr(-,root,root)
+%doc
+%config
+
projects / cp210x.git / commitdiff