From: smckown Date: Wed, 7 Nov 2007 15:47:46 +0000 (+0000) Subject: This is the original version as sent by Silicon Labs. It was an older version X-Git-Tag: debian/0.11.2-5.2tmi~35 X-Git-Url: https://oss.titaniummirror.com/gitweb?p=cp210x.git;a=commitdiff_plain;h=54b1d6ef8351e1842e246ad5efbb2268d2243513 This is the original version as sent by Silicon Labs. It was an older version than was already included in the linux kernel at the time. --- diff --git a/Docs/SIL00205 design.doc b/Docs/SIL00205 design.doc new file mode 100644 index 0000000..3599f1b --- /dev/null +++ b/Docs/SIL00205 design.doc @@ -0,0 +1 @@ +ÐÏࡱ \ No newline at end of file diff --git a/Docs/SIL00205_RNF_20060115.doc b/Docs/SIL00205_RNF_20060115.doc new file mode 100644 index 0000000..f3a7444 Binary files /dev/null and b/Docs/SIL00205_RNF_20060115.doc differ diff --git a/Docs/SIL00205_RNF_20060901.doc b/Docs/SIL00205_RNF_20060901.doc new file mode 100644 index 0000000..ac89801 Binary files /dev/null and b/Docs/SIL00205_RNF_20060901.doc differ diff --git a/Docs/igx_to_2_6_15_1_diff.txt b/Docs/igx_to_2_6_15_1_diff.txt new file mode 100644 index 0000000..909c4df --- /dev/null +++ b/Docs/igx_to_2_6_15_1_diff.txt @@ -0,0 +1,415 @@ +26a27 +> #include +29,48d29 +< +< #if LINUX26 +< +< #include +< #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 for (i=0; 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 diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..5d5dbb8 --- /dev/null +++ b/Makefile @@ -0,0 +1,10 @@ +# CP2101 Makefile + +ifeq ("$(src)", "") + include Makefile.config + include Makefile$(KVER1)$(KVER2) +else + include $(src)/Makefile.config + include $(src)/Makefile$(KVER1)$(KVER2) +endif + diff --git a/Makefile.go b/Makefile.go new file mode 100644 index 0000000..407680c --- /dev/null +++ b/Makefile.go @@ -0,0 +1,46 @@ +# +# CP2101/CP2102/CP2103 USB to Serial Bridge Makefile +# +# (c) 2005-2006 Silicon Laboratories +# +# all - builds the modules, same as modules +# modules - builds kernel module +# install - installs driver +# clean - removes all object code +# distclean - remove everything resulting from building +# mrproper - remove emacs debris +# + +OBJS = cp2101.o + +SRC = cp2102.c + + +include ./Makefile.config + +KVER=$(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 $(LINUX_KERNEL) SUBDIRS="`pwd`" modules diff --git a/Makefile24 b/Makefile24 new file mode 100644 index 0000000..4a19ad3 --- /dev/null +++ b/Makefile24 @@ -0,0 +1,7 @@ +# + +EXTRA_CFLAGS += -I$(LINUX_KERNEL)/drivers/usb/serial + +obj-m += cp2101.o + +include $(TOPDIR)/Rules.make diff --git a/Makefile26 b/Makefile26 new file mode 100644 index 0000000..2456377 --- /dev/null +++ b/Makefile26 @@ -0,0 +1,7 @@ +# CP2101/CP2102/CP2103 2.6 makefile + +EXTRA_CFLAGS += -I$(LINUX_INCLUDE) -I$(LINUX_KERNEL)/drivers/usb/serial -DLINUX26 + +obj-m := cp2101.o + +cp2101-objs := $(OBJS) diff --git a/Modules.symvers b/Modules.symvers new file mode 100644 index 0000000..e69de29 diff --git a/Rules.make b/Rules.make new file mode 100644 index 0000000..c855f39 --- /dev/null +++ b/Rules.make @@ -0,0 +1,73 @@ +# -*-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 diff --git a/configure b/configure new file mode 100755 index 0000000..1d20a18 --- /dev/null +++ b/configure @@ -0,0 +1,118 @@ +#!/bin/bash + +function usage() +{ + echo "Usage: $0 [option ...]" + echo "" + echo "Where 'option' can be one of the following:" + echo " -kinc Kernel header files." + echo " -kpath Kernel sources." + echo " -kver Kernel version." + echo " -p Prefix for installing the kernel module." +} + +this_dir=`pwd` + +ARCH="" +TARGET="linux" +LINUX_KERNEL="/lib/modules/`uname -r`/build" +KVER="" +LIBPATH="" +INSTALL_PREFIX="" +CONFIG_FILE="Makefile.config" + + +while (($# > 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 diff --git a/cp2101.c b/cp2101.c new file mode 100644 index 0000000..6664cb3 --- /dev/null +++ b/cp2101.c @@ -0,0 +1,915 @@ +/* + * 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 + * + * Outstanding Issues: + * Buffers are not flushed when the port is opened. + * Multiple calls to write() may fail with "Resource temporarily unavailable" + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#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 +#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 */ + +#include "usb-serial.h" + +/* + * Version Information + * RJM: updated to 0.11 for 2.6.15 and later kernels + */ +#define DRIVER_VERSION "v0.11" +#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(0x10C4, 0xEA60) }, /* Silicon Labs factory default */ + { USB_DEVICE(0x10C4, 0x80CA) }, /* Degree Controls Inc */ + { USB_DEVICE(0x10AB, 0x10C5) }, /* Siemens MC60 Cable */ + { } /* 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, + .num_interrupt_in = 0, + .num_bulk_in = 0, + .num_bulk_out = 0, + .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 + +/* + * 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; idev,"%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); +} + +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); +} + +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; + } + 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; +} + +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"); diff --git a/installmod b/installmod new file mode 100644 index 0000000..2334445 --- /dev/null +++ b/installmod @@ -0,0 +1,29 @@ +#!/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 \"$1\" not present" + exit 1 +fi diff --git a/rpm/buildRPM b/rpm/buildRPM new file mode 100755 index 0000000..dbe689b --- /dev/null +++ b/rpm/buildRPM @@ -0,0 +1,38 @@ +#!/bin/sh +THISDIR=`pwd` +RPMROOT=/usr/src/redhat +NAME=cp2103 +VER_MAJ=0 +VER_MIN=11 +VER_PAT=0 +VERSION=$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 + + + + + diff --git a/rpm/cp2103.spec b/rpm/cp2103.spec new file mode 100644 index 0000000..c5a507a --- /dev/null +++ b/rpm/cp2103.spec @@ -0,0 +1,34 @@ +# 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 +