From: smckown Date: Thu, 28 Aug 2008 17:59:00 +0000 (+0000) Subject: Changes in progress to support debian (ubuntu) integration X-Git-Tag: debian/0.11.2-5.2tmi~31 X-Git-Url: https://oss.titaniummirror.com/gitweb?p=cp210x.git;a=commitdiff_plain;h=db657625822bb2d96ee0ee8117f3cf81f0d9af08 Changes in progress to support debian (ubuntu) integration --- diff --git a/Docs/SIL00205 design.doc b/Docs/SIL00205 design.doc deleted file mode 100644 index 3599f1b..0000000 --- a/Docs/SIL00205 design.doc +++ /dev/null @@ -1 +0,0 @@ -ÐÏࡱ \ No newline at end of file diff --git a/Docs/SIL00205_RNF_20060115.doc b/Docs/SIL00205_RNF_20060115.doc deleted file mode 100644 index f3a7444..0000000 Binary files a/Docs/SIL00205_RNF_20060115.doc and /dev/null differ diff --git a/Docs/SIL00205_RNF_20060901.doc b/Docs/SIL00205_RNF_20060901.doc deleted file mode 100644 index ac89801..0000000 Binary files a/Docs/SIL00205_RNF_20060901.doc and /dev/null differ diff --git a/Docs/igx_to_2_6_15_1_diff.txt b/Docs/igx_to_2_6_15_1_diff.txt deleted file mode 100644 index 909c4df..0000000 --- a/Docs/igx_to_2_6_15_1_diff.txt +++ /dev/null @@ -1,415 +0,0 @@ -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 deleted file mode 100644 index 5d5dbb8..0000000 --- a/Makefile +++ /dev/null @@ -1,10 +0,0 @@ -# CP2101 Makefile - -ifeq ("$(src)", "") - include Makefile.config - include Makefile$(KVER1)$(KVER2) -else - include $(src)/Makefile.config - include $(src)/Makefile$(KVER1)$(KVER2) -endif - diff --git a/Makefile.go b/Makefile.go deleted file mode 100644 index 407680c..0000000 --- a/Makefile.go +++ /dev/null @@ -1,46 +0,0 @@ -# -# CP2101/CP2102/CP2103 USB to Serial Bridge Makefile -# -# (c) 2005-2006 Silicon Laboratories -# -# all - builds the modules, same as modules -# modules - builds kernel module -# install - installs driver -# clean - removes all object code -# distclean - remove everything resulting from building -# mrproper - remove emacs debris -# - -OBJS = cp2101.o - -SRC = cp2102.c - - -include ./Makefile.config - -KVER=$(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 $(LINUX_KERNEL) SUBDIRS="`pwd`" modules diff --git a/Makefile24 b/Makefile24 deleted file mode 100644 index 4a19ad3..0000000 --- a/Makefile24 +++ /dev/null @@ -1,7 +0,0 @@ -# - -EXTRA_CFLAGS += -I$(LINUX_KERNEL)/drivers/usb/serial - -obj-m += cp2101.o - -include $(TOPDIR)/Rules.make diff --git a/Makefile26 b/Makefile26 deleted file mode 100644 index 2456377..0000000 --- a/Makefile26 +++ /dev/null @@ -1,7 +0,0 @@ -# CP2101/CP2102/CP2103 2.6 makefile - -EXTRA_CFLAGS += -I$(LINUX_INCLUDE) -I$(LINUX_KERNEL)/drivers/usb/serial -DLINUX26 - -obj-m := cp2101.o - -cp2101-objs := $(OBJS) diff --git a/Modules.symvers b/Modules.symvers deleted file mode 100644 index e69de29..0000000 diff --git a/README b/README new file mode 100644 index 0000000..f2c583c --- /dev/null +++ b/README @@ -0,0 +1,20 @@ +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 diff --git a/README.txt b/README.txt deleted file mode 100644 index f2c583c..0000000 --- a/README.txt +++ /dev/null @@ -1,20 +0,0 @@ -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 diff --git a/Rules.make b/Rules.make deleted file mode 100644 index c855f39..0000000 --- a/Rules.make +++ /dev/null @@ -1,73 +0,0 @@ -# -*-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 deleted file mode 100755 index 1d20a18..0000000 --- a/configure +++ /dev/null @@ -1,118 +0,0 @@ -#!/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 deleted file mode 100644 index 53dd422..0000000 --- a/cp2101.c +++ /dev/null @@ -1,1405 +0,0 @@ -/* - * 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 -#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 -#include -#define DEV_ERR(dev,format,arg...) dev_err(dev,format, ## arg) -#define USB_KILL_URB usb_kill_urb - -#else /* !LINUX26 */ - -#include -#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; 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); -} - -/* - * 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 -*/ - diff --git a/examples/Makefile b/examples/Makefile deleted file mode 100644 index 85f2190..0000000 --- a/examples/Makefile +++ /dev/null @@ -1,11 +0,0 @@ -.PHONY: all - -PROGS = cpmfg cpio cptwiddle -# LDFLAGS += -lusb - -all: $(PROGS) - -$(PROGS): %: %.o - -clean: - @rm -rf $(PROGS) $(PROGS:%=%.o) diff --git a/examples/README.txt b/examples/README.txt deleted file mode 100644 index c80db59..0000000 --- a/examples/README.txt +++ /dev/null @@ -1 +0,0 @@ -Simple test applications for using the enhanced IOCTL's of the cp2101 driver. diff --git a/examples/cpio.c b/examples/cpio.c deleted file mode 100644 index f0f6f38..0000000 --- a/examples/cpio.c +++ /dev/null @@ -1,85 +0,0 @@ -/** - * cpio.c - * - * Set cp2103 GPIO_0 and GPIO_1 for LED connection to get RX/TX activity. - * Watch out, the tty is hardcoded. - */ - -#include -#include -#include -#include -#include -#include - -#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; -} diff --git a/examples/cpmfg.c b/examples/cpmfg.c deleted file mode 100644 index ed8524a..0000000 --- a/examples/cpmfg.c +++ /dev/null @@ -1,159 +0,0 @@ -/** - * cpcfg.c - * - * Configure the USB descriptor and GPIO configurations for a cp2103-equipped - * device. - */ - -#include -#include -#include -#include -#include -#include -#include - -#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 \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; -} diff --git a/examples/cptwiddle.c b/examples/cptwiddle.c deleted file mode 100644 index 068809e..0000000 --- a/examples/cptwiddle.c +++ /dev/null @@ -1,167 +0,0 @@ -/** - * 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 -#include -#include -#include -#include -#include -#include - -/* 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; -} diff --git a/installmod b/installmod deleted file mode 100644 index 2334445..0000000 --- a/installmod +++ /dev/null @@ -1,29 +0,0 @@ -#!/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 deleted file mode 100755 index dbe689b..0000000 --- a/rpm/buildRPM +++ /dev/null @@ -1,38 +0,0 @@ -#!/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 deleted file mode 100644 index c5a507a..0000000 --- a/rpm/cp2103.spec +++ /dev/null @@ -1,34 +0,0 @@ -# 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 - diff --git a/src/Docs/SIL00205 design.doc b/src/Docs/SIL00205 design.doc new file mode 100644 index 0000000..3599f1b --- /dev/null +++ b/src/Docs/SIL00205 design.doc @@ -0,0 +1 @@ +ÐÏࡱ \ No newline at end of file diff --git a/src/Docs/SIL00205_RNF_20060115.doc b/src/Docs/SIL00205_RNF_20060115.doc new file mode 100644 index 0000000..f3a7444 Binary files /dev/null and b/src/Docs/SIL00205_RNF_20060115.doc differ diff --git a/src/Docs/SIL00205_RNF_20060901.doc b/src/Docs/SIL00205_RNF_20060901.doc new file mode 100644 index 0000000..ac89801 Binary files /dev/null and b/src/Docs/SIL00205_RNF_20060901.doc differ diff --git a/src/Docs/igx_to_2_6_15_1_diff.txt b/src/Docs/igx_to_2_6_15_1_diff.txt new file mode 100644 index 0000000..909c4df --- /dev/null +++ b/src/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/src/Makefile b/src/Makefile new file mode 100644 index 0000000..5d5dbb8 --- /dev/null +++ b/src/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/src/Makefile.go b/src/Makefile.go new file mode 100644 index 0000000..407680c --- /dev/null +++ b/src/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/src/Makefile24 b/src/Makefile24 new file mode 100644 index 0000000..4a19ad3 --- /dev/null +++ b/src/Makefile24 @@ -0,0 +1,7 @@ +# + +EXTRA_CFLAGS += -I$(LINUX_KERNEL)/drivers/usb/serial + +obj-m += cp2101.o + +include $(TOPDIR)/Rules.make diff --git a/src/Makefile26 b/src/Makefile26 new file mode 100644 index 0000000..2456377 --- /dev/null +++ b/src/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/src/Modules.symvers b/src/Modules.symvers new file mode 100644 index 0000000..e69de29 diff --git a/src/Rules.make b/src/Rules.make new file mode 100644 index 0000000..c855f39 --- /dev/null +++ b/src/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/src/configure b/src/configure new file mode 100755 index 0000000..1d20a18 --- /dev/null +++ b/src/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/src/cp2101.c b/src/cp2101.c new file mode 100644 index 0000000..53dd422 --- /dev/null +++ b/src/cp2101.c @@ -0,0 +1,1405 @@ +/* + * 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 +#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 +#include +#define DEV_ERR(dev,format,arg...) dev_err(dev,format, ## arg) +#define USB_KILL_URB usb_kill_urb + +#else /* !LINUX26 */ + +#include +#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; 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); +} + +/* + * 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 +*/ + diff --git a/src/examples/Makefile b/src/examples/Makefile new file mode 100644 index 0000000..85f2190 --- /dev/null +++ b/src/examples/Makefile @@ -0,0 +1,11 @@ +.PHONY: all + +PROGS = cpmfg cpio cptwiddle +# LDFLAGS += -lusb + +all: $(PROGS) + +$(PROGS): %: %.o + +clean: + @rm -rf $(PROGS) $(PROGS:%=%.o) diff --git a/src/examples/README.txt b/src/examples/README.txt new file mode 100644 index 0000000..c80db59 --- /dev/null +++ b/src/examples/README.txt @@ -0,0 +1 @@ +Simple test applications for using the enhanced IOCTL's of the cp2101 driver. diff --git a/src/examples/cpio.c b/src/examples/cpio.c new file mode 100644 index 0000000..f0f6f38 --- /dev/null +++ b/src/examples/cpio.c @@ -0,0 +1,85 @@ +/** + * cpio.c + * + * Set cp2103 GPIO_0 and GPIO_1 for LED connection to get RX/TX activity. + * Watch out, the tty is hardcoded. + */ + +#include +#include +#include +#include +#include +#include + +#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; +} diff --git a/src/examples/cpmfg.c b/src/examples/cpmfg.c new file mode 100644 index 0000000..ed8524a --- /dev/null +++ b/src/examples/cpmfg.c @@ -0,0 +1,159 @@ +/** + * cpcfg.c + * + * Configure the USB descriptor and GPIO configurations for a cp2103-equipped + * device. + */ + +#include +#include +#include +#include +#include +#include +#include + +#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 \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; +} diff --git a/src/examples/cptwiddle.c b/src/examples/cptwiddle.c new file mode 100644 index 0000000..068809e --- /dev/null +++ b/src/examples/cptwiddle.c @@ -0,0 +1,167 @@ +/** + * 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 +#include +#include +#include +#include +#include +#include + +/* 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; +} diff --git a/src/installmod b/src/installmod new file mode 100644 index 0000000..2334445 --- /dev/null +++ b/src/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 \"$1\" not present" + exit 1 +fi diff --git a/src/rpm/buildRPM b/src/rpm/buildRPM new file mode 100755 index 0000000..dbe689b --- /dev/null +++ b/src/rpm/buildRPM @@ -0,0 +1,38 @@ +#!/bin/sh +THISDIR=`pwd` +RPMROOT=/usr/src/redhat +NAME=cp2103 +VER_MAJ=0 +VER_MIN=11 +VER_PAT=0 +VERSION=$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/src/rpm/cp2103.spec b/src/rpm/cp2103.spec new file mode 100644 index 0000000..c5a507a --- /dev/null +++ b/src/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 +