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-rw-r--r--aclocal.m442
-rw-r--r--config.h.in3
-rwxr-xr-xconfigure10
-rw-r--r--lcd4linux.conf.sample10
-rw-r--r--lcd4linux_i2c.h1248
5 files changed, 641 insertions, 672 deletions
diff --git a/aclocal.m4 b/aclocal.m4
index c1b37d3..8f3f93d 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -10,13 +10,11 @@ dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without
dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A
dnl PARTICULAR PURPOSE.
-# lib-prefix.m4 serial 3 (gettext-0.13)
-dnl Copyright (C) 2001-2003 Free Software Foundation, Inc.
-dnl This file is free software, distributed under the terms of the GNU
-dnl General Public License. As a special exception to the GNU General
-dnl Public License, this file may be distributed as part of a program
-dnl that contains a configuration script generated by Autoconf, under
-dnl the same distribution terms as the rest of that program.
+# lib-prefix.m4 serial 4 (gettext-0.14.2)
+dnl Copyright (C) 2001-2005 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
dnl From Bruno Haible.
@@ -83,7 +81,7 @@ AC_DEFUN([AC_LIB_PREFIX],
if test "X$additional_includedir" = "X/usr/local/include"; then
if test -n "$GCC"; then
case $host_os in
- linux*) haveit=yes;;
+ linux* | gnu* | k*bsd*-gnu) haveit=yes;;
esac
fi
fi
@@ -166,16 +164,16 @@ AC_DEFUN([AC_LIB_WITH_FINAL_PREFIX],
prefix="$acl_save_prefix"
])
-# lib-link.m4 serial 4 (gettext-0.12)
-dnl Copyright (C) 2001-2003 Free Software Foundation, Inc.
-dnl This file is free software, distributed under the terms of the GNU
-dnl General Public License. As a special exception to the GNU General
-dnl Public License, this file may be distributed as part of a program
-dnl that contains a configuration script generated by Autoconf, under
-dnl the same distribution terms as the rest of that program.
+# lib-link.m4 serial 6 (gettext-0.14.3)
+dnl Copyright (C) 2001-2005 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
dnl From Bruno Haible.
+AC_PREREQ(2.50)
+
dnl AC_LIB_LINKFLAGS(name [, dependencies]) searches for libname and
dnl the libraries corresponding to explicit and implicit dependencies.
dnl Sets and AC_SUBSTs the LIB${NAME} and LTLIB${NAME} variables and
@@ -263,6 +261,8 @@ dnl libext, shlibext, hardcode_libdir_flag_spec, hardcode_libdir_separator,
dnl hardcode_direct, hardcode_minus_L.
AC_DEFUN([AC_LIB_RPATH],
[
+ dnl Tell automake >= 1.10 to complain if config.rpath is missing.
+ m4_ifdef([AC_REQUIRE_AUX_FILE], [AC_REQUIRE_AUX_FILE([config.rpath])])
AC_REQUIRE([AC_PROG_CC]) dnl we use $CC, $GCC, $LDFLAGS
AC_REQUIRE([AC_LIB_PROG_LD]) dnl we use $LD, $with_gnu_ld
AC_REQUIRE([AC_CANONICAL_HOST]) dnl we use $host
@@ -518,7 +518,7 @@ AC_DEFUN([AC_LIB_LINKFLAGS_BODY],
if test "X$additional_includedir" = "X/usr/local/include"; then
if test -n "$GCC"; then
case $host_os in
- linux*) haveit=yes;;
+ linux* | gnu* | k*bsd*-gnu) haveit=yes;;
esac
fi
fi
@@ -567,7 +567,7 @@ AC_DEFUN([AC_LIB_LINKFLAGS_BODY],
if test "X$additional_libdir" = "X/usr/local/lib"; then
if test -n "$GCC"; then
case $host_os in
- linux*) haveit=yes;;
+ linux* | gnu* | k*bsd*-gnu) haveit=yes;;
esac
fi
fi
@@ -720,11 +720,9 @@ AC_DEFUN([AC_LIB_APPENDTOVAR],
# lib-ld.m4 serial 3 (gettext-0.13)
dnl Copyright (C) 1996-2003 Free Software Foundation, Inc.
-dnl This file is free software, distributed under the terms of the GNU
-dnl General Public License. As a special exception to the GNU General
-dnl Public License, this file may be distributed as part of a program
-dnl that contains a configuration script generated by Autoconf, under
-dnl the same distribution terms as the rest of that program.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
dnl Subroutines of libtool.m4,
dnl with replacements s/AC_/AC_LIB/ and s/lt_cv/acl_cv/ to avoid collision
diff --git a/config.h.in b/config.h.in
index d008bc9..525be92 100644
--- a/config.h.in
+++ b/config.h.in
@@ -49,9 +49,6 @@
/* Define to 1 if you have the `m' library (-lm). */
#undef HAVE_LIBM
-/* Define to 1 if you have the <linux/compiler.h> header file. */
-#undef HAVE_LINUX_COMPILER_H
-
/* Define to 1 if you have the <linux/dvb/frontend.h> header file. */
#undef HAVE_LINUX_DVB_FRONTEND_H
diff --git a/configure b/configure
index 3c7b98e..ba81926 100755
--- a/configure
+++ b/configure
@@ -5451,10 +5451,6 @@ fi
done
-# check for i2c
-has_i2c="true"
-
-
# check for serdisplib
for ac_header in serdisplib/serdisp.h
@@ -5993,7 +5989,7 @@ TEXT="no"
GRAPHIC="no"
IMAGE="no"
-# generic I/O drivers
+# generiv I/O drivers
PARPORT="no"
SERIAL="no"
I2C="no"
@@ -6305,7 +6301,7 @@ fi
# generic i2c driver
if test "$I2C" = "yes"; then
- DRIVERS="$DRIVERS drv_generic_i2c.o"
+ DRIVERS="$DRIVERS drv_generic_i2c.o"
cat >>confdefs.h <<\_ACEOF
#define WITH_I2C 1
@@ -6339,7 +6335,7 @@ for plugin in $plugins; do
case $plugin in
!*)
val="no"
- driver=`echo $plugin|cut -c 2-`
+ plugin=`echo $plugin|cut -c 2-`
;;
*)
val="yes"
diff --git a/lcd4linux.conf.sample b/lcd4linux.conf.sample
index a402376..cebd16a 100644
--- a/lcd4linux.conf.sample
+++ b/lcd4linux.conf.sample
@@ -237,7 +237,7 @@ Display BWCT {
Display T6963-240x64 {
Driver 'T6963'
- Port '/dev/parport0'
+ Port '/dev/parports/0'
Size '240x64'
Wire.CE 'STROBE'
Wire.CD 'SLCTIN'
@@ -754,7 +754,7 @@ Layout testMySQL {
#Display 'LK204'
#Display 'MI240'
#Display 'CW12232'
-Display 'HD44780-generic'
+#Display 'HD44780-generic'
#Display 'SC1602D'
#Display 'LCM-162'
#Display 'CF631'
@@ -764,15 +764,15 @@ Display 'HD44780-generic'
#Display 'M50530-24x8'
#Display 'LCDTerm'
#Display 'CT20x4'
-#Display 'T6963-240x64'
+Display 'T6963-240x64'
#Display 'XWindow'
#Display 'USBLCD'
#Display 'BWCT'
#Display 'Image'
#Display 'Trefon'
-#Layout 'Default'
-Layout 'L8x2'
+Layout 'Default'
+#Layout 'L8x2'
#Layout 'L16x2'
#Layout 'L20x2'
#Layout 'Test'
diff --git a/lcd4linux_i2c.h b/lcd4linux_i2c.h
index 6980419..13fa5e7 100644
--- a/lcd4linux_i2c.h
+++ b/lcd4linux_i2c.h
@@ -1,37 +1,40 @@
-/* $Id: lcd4linux_i2c.h,v 1.1 2005/05/31 20:42:55 lfcorreia Exp $
- *
- * user space i2c sturctures and defines, taken from the official kernel i2c
- * includes to solve the problem when compiling user space application
- * (lcd4linux) with kernel space includes.
- * Should be removed when the kernel team decides on how to solve this
- * user space/kernel space compilation problem in kernel 2.8 or so.
- *
- * Copyright (C) 2005 Paul Kamphuis <pk_richman@users.sourceforge.net>
- * Copyright (C) 2005 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
- *
- * taken from kernel includes i2c.h and i2c-dev.h to prevent using kernel includes
- * Copyright (C) 1995-2000 Simon G. Vogl
- * With some changes from Kyösti Mälkki <kmalkki@cc.hut.fi> and
- * Frodo Looijaard <frodol@dds.nl>
- *
- * This file is part of LCD4Linux.
- *
- * LCD4Linux is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * LCD4Linux is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- *
+/* $Id: lcd4linux_i2c.h,v 1.2 2005/06/01 12:09:13 reinelt Exp $
+ *
+ * user space i2c sturctures and defines, taken from the official kernel i2c
+ * includes to solve the problem when compiling user space application
+ * (lcd4linux) with kernel space includes.
+ * Should be removed when the kernel team decides on how to solve this
+ * user space/kernel space compilation problem in kernel 2.8 or so.
+ *
+ * Copyright (C) 2005 Paul Kamphuis <pk_richman@users.sourceforge.net>
+ * Copyright (C) 2005 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
+ *
+ * taken from kernel includes i2c.h and i2c-dev.h to prevent using kernel includes
+ * Copyright (C) 1995-2000 Simon G. Vogl
+ * With some changes from Kyösti Mälkki <kmalkki@cc.hut.fi> and
+ * Frodo Looijaard <frodol@dds.nl>
+ *
+ * This file is part of LCD4Linux.
+ *
+ * LCD4Linux is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * LCD4Linux is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ *
* $Log: lcd4linux_i2c.h,v $
+ * Revision 1.2 2005/06/01 12:09:13 reinelt
+ * removed ^M from lcd4linux_i2c.h; indent.sh run
+ *
* Revision 1.1 2005/05/31 20:42:55 lfcorreia
* new file: lcd4linux_i2c.h
* avoid the problems detecting the proper I2C kernel include files
@@ -39,605 +42,580 @@
* rearrange all the other autoconf stuff to remove I2C detection
*
* new method by Paul Kamphuis to write to the I2C device
- *
- */
-
-#ifndef _LCD4LINUX_I2C_H
-#define _LCD4LINUX_I2C_H
-
-typedef signed int s32;
-typedef signed int __s32;
-typedef unsigned char u8;
-typedef unsigned short u16;
-typedef unsigned char __u8;
-typedef unsigned short __u16;
-typedef unsigned int u32;
-typedef unsigned int __u32;
-
-/* --- General options ------------------------------------------------ */
-
-struct i2c_msg;
-struct i2c_algorithm;
-struct i2c_adapter;
-struct i2c_client;
-struct i2c_driver;
-struct i2c_client_address_data;
-union i2c_smbus_data;
-
-/*
- * The master routines are the ones normally used to transmit data to devices
- * on a bus (or read from them). Apart from two basic transfer functions to
- * transmit one message at a time, a more complex version can be used to
- * transmit an arbitrary number of messages without interruption.
- */
-extern int i2c_master_send(struct i2c_client *,const char* ,int);
-extern int i2c_master_recv(struct i2c_client *,char* ,int);
-
-/* Transfer num messages.
- */
-extern int i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[],int num);
-
-/*
- * Some adapter types (i.e. PCF 8584 based ones) may support slave behaviuor.
- * This is not tested/implemented yet and will change in the future.
- */
-extern int i2c_slave_send(struct i2c_client *,char*,int);
-extern int i2c_slave_recv(struct i2c_client *,char*,int);
-
-
-
-/* This is the very generalized SMBus access routine. You probably do not
- want to use this, though; one of the functions below may be much easier,
- and probably just as fast.
- Note that we use i2c_adapter here, because you do not need a specific
- smbus adapter to call this function. */
-extern s32 i2c_smbus_xfer (struct i2c_adapter * adapter, u16 addr,
- unsigned short flags,
- char read_write, u8 command, int size,
- union i2c_smbus_data * data);
-
-/* Now follow the 'nice' access routines. These also document the calling
- conventions of smbus_access. */
-/*
-extern s32 i2c_smbus_write_quick(struct i2c_client * client, u8 value);
-extern s32 i2c_smbus_read_byte(struct i2c_client * client);
-extern s32 i2c_smbus_write_byte(struct i2c_client * client, u8 value);
-extern s32 i2c_smbus_read_byte_data(struct i2c_client * client, u8 command);
-extern s32 i2c_smbus_write_byte_data(struct i2c_client * client,
- u8 command, u8 value);
-extern s32 i2c_smbus_read_word_data(struct i2c_client * client, u8 command);
-extern s32 i2c_smbus_write_word_data(struct i2c_client * client,
- u8 command, u16 value);
-*/
-/* Returns the number of bytes transferred */
-/*
-extern s32 i2c_smbus_write_block_data(struct i2c_client * client,
- u8 command, u8 length,
- u8 *values);
-extern s32 i2c_smbus_read_i2c_block_data(struct i2c_client * client,
- u8 command, u8 *values);
-*/
-
-/*
- * A driver is capable of handling one or more physical devices present on
- * I2C adapters. This information is used to inform the driver of adapter
- * events.
- */
-
-/*flags for the driver struct: */
-#define I2C_DF_NOTIFY 0x01 /* notify on bus (de/a)ttaches */
-
-/*flags for the client struct: */
-#define I2C_CLIENT_ALLOW_USE 0x01 /* Client allows access */
-#define I2C_CLIENT_ALLOW_MULTIPLE_USE 0x02 /* Allow multiple access-locks */
- /* on an i2c_client */
-#define I2C_CLIENT_PEC 0x04 /* Use Packet Error Checking */
-#define I2C_CLIENT_TEN 0x10 /* we have a ten bit chip address */
- /* Must equal I2C_M_TEN below */
-
-/* i2c adapter classes (bitmask) */
-#define I2C_CLASS_HWMON (1<<0) /* lm_sensors, ... */
-#define I2C_CLASS_TV_ANALOG (1<<1) /* bttv + friends */
-#define I2C_CLASS_TV_DIGITAL (1<<2) /* dvb cards */
-#define I2C_CLASS_DDC (1<<3) /* i2c-matroxfb ? */
-#define I2C_CLASS_CAM_ANALOG (1<<4) /* camera with analog CCD */
-#define I2C_CLASS_CAM_DIGITAL (1<<5) /* most webcams */
-#define I2C_CLASS_SOUND (1<<6) /* sound devices */
-#define I2C_CLASS_ALL (UINT_MAX) /* all of the above */
-
-/* i2c_client_address_data is the struct for holding default client
- * addresses for a driver and for the parameters supplied on the
- * command line
- */
-struct i2c_client_address_data {
- unsigned short *normal_i2c;
- unsigned short *normal_i2c_range;
- unsigned short *probe;
- unsigned short *probe_range;
- unsigned short *ignore;
- unsigned short *ignore_range;
- unsigned short *force;
-};
-
-/* Internal numbers to terminate lists */
-#define I2C_CLIENT_END 0xfffe
-#define I2C_CLIENT_ISA_END 0xfffefffe
-
-/* The numbers to use to set I2C bus address */
-#define ANY_I2C_BUS 0xffff
-#define ANY_I2C_ISA_BUS 9191
-
-/* The length of the option lists */
-#define I2C_CLIENT_MAX_OPTS 48
-
-
-/* ----- functions exported by i2c.o */
-
-/* administration...
- */
-extern int i2c_add_adapter(struct i2c_adapter *);
-extern int i2c_del_adapter(struct i2c_adapter *);
-
-extern int i2c_add_driver(struct i2c_driver *);
-extern int i2c_del_driver(struct i2c_driver *);
-
-extern int i2c_attach_client(struct i2c_client *);
-extern int i2c_detach_client(struct i2c_client *);
-
-/* New function: This is to get an i2c_client-struct for controlling the
- client either by using i2c_control-function or having the
- client-module export functions that can be used with the i2c_client
- -struct. */
-extern struct i2c_client *i2c_get_client(int driver_id, int adapter_id,
- struct i2c_client *prev);
-
-/* Should be used with new function
- extern struct i2c_client *i2c_get_client(int,int,struct i2c_client *);
- to make sure that client-struct is valid and that it is okay to access
- the i2c-client.
- returns -EACCES if client doesn't allow use (default)
- returns -EBUSY if client doesn't allow multiple use (default) and
- usage_count >0 */
-extern int i2c_use_client(struct i2c_client *);
-extern int i2c_release_client(struct i2c_client *);
-
-/* call the i2c_client->command() of all attached clients with
- * the given arguments */
-extern void i2c_clients_command(struct i2c_adapter *adap,
- unsigned int cmd, void *arg);
-
-/* returns -EBUSY if address has been taken, 0 if not. Note that the only
- other place at which this is called is within i2c_attach_client; so
- you can cheat by simply not registering. Not recommended, of course! */
-extern int i2c_check_addr (struct i2c_adapter *adapter, int addr);
-
-/* Detect function. It iterates over all possible addresses itself.
- * It will only call found_proc if some client is connected at the
- * specific address (unless a 'force' matched);
- */
-extern int i2c_probe(struct i2c_adapter *adapter,
- struct i2c_client_address_data *address_data,
- int (*found_proc) (struct i2c_adapter *, int, int));
-
-/* An ioctl like call to set div. parameters of the adapter.
- */
-extern int i2c_control(struct i2c_client *,unsigned int, unsigned long);
-
-/* This call returns a unique low identifier for each registered adapter,
- * or -1 if the adapter was not registered.
- */
-extern int i2c_adapter_id(struct i2c_adapter *adap);
-extern struct i2c_adapter* i2c_get_adapter(int id);
-extern void i2c_put_adapter(struct i2c_adapter *adap);
-
-
-/* Return the functionality mask */
-extern u32 i2c_get_functionality (struct i2c_adapter *adap);
-
-/* Return 1 if adapter supports everything we need, 0 if not. */
-extern int i2c_check_functionality (struct i2c_adapter *adap, u32 func);
-
-/*
- * I2C Message - used for pure i2c transaction, also from /dev interface
- */
-struct i2c_msg {
- __u16 addr; /* slave address */
- __u16 flags;
-#define I2C_M_TEN 0x10 /* we have a ten bit chip address */
-#define I2C_M_RD 0x01
-#define I2C_M_NOSTART 0x4000
-#define I2C_M_REV_DIR_ADDR 0x2000
-#define I2C_M_IGNORE_NAK 0x1000
-#define I2C_M_NO_RD_ACK 0x0800
- __u16 len; /* msg length */
- __u8 *buf; /* pointer to msg data */
-};
-
-/* To determine what functionality is present */
-
-#define I2C_FUNC_I2C 0x00000001
-#define I2C_FUNC_10BIT_ADDR 0x00000002
-#define I2C_FUNC_PROTOCOL_MANGLING 0x00000004 /* I2C_M_{REV_DIR_ADDR,NOSTART,..} */
-#define I2C_FUNC_SMBUS_HWPEC_CALC 0x00000008 /* SMBus 2.0 */
-#define I2C_FUNC_SMBUS_READ_WORD_DATA_PEC 0x00000800 /* SMBus 2.0 */
-#define I2C_FUNC_SMBUS_WRITE_WORD_DATA_PEC 0x00001000 /* SMBus 2.0 */
-#define I2C_FUNC_SMBUS_PROC_CALL_PEC 0x00002000 /* SMBus 2.0 */
-#define I2C_FUNC_SMBUS_BLOCK_PROC_CALL_PEC 0x00004000 /* SMBus 2.0 */
-#define I2C_FUNC_SMBUS_BLOCK_PROC_CALL 0x00008000 /* SMBus 2.0 */
-#define I2C_FUNC_SMBUS_QUICK 0x00010000
-#define I2C_FUNC_SMBUS_READ_BYTE 0x00020000
-#define I2C_FUNC_SMBUS_WRITE_BYTE 0x00040000
-#define I2C_FUNC_SMBUS_READ_BYTE_DATA 0x00080000
-#define I2C_FUNC_SMBUS_WRITE_BYTE_DATA 0x00100000
-#define I2C_FUNC_SMBUS_READ_WORD_DATA 0x00200000
-#define I2C_FUNC_SMBUS_WRITE_WORD_DATA 0x00400000
-#define I2C_FUNC_SMBUS_PROC_CALL 0x00800000
-#define I2C_FUNC_SMBUS_READ_BLOCK_DATA 0x01000000
-#define I2C_FUNC_SMBUS_WRITE_BLOCK_DATA 0x02000000
-#define I2C_FUNC_SMBUS_READ_I2C_BLOCK 0x04000000 /* I2C-like block xfer */
-#define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK 0x08000000 /* w/ 1-byte reg. addr. */
-#define I2C_FUNC_SMBUS_READ_I2C_BLOCK_2 0x10000000 /* I2C-like block xfer */
-#define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK_2 0x20000000 /* w/ 2-byte reg. addr. */
-#define I2C_FUNC_SMBUS_READ_BLOCK_DATA_PEC 0x40000000 /* SMBus 2.0 */
-#define I2C_FUNC_SMBUS_WRITE_BLOCK_DATA_PEC 0x80000000 /* SMBus 2.0 */
-
-#define I2C_FUNC_SMBUS_BYTE I2C_FUNC_SMBUS_READ_BYTE | \
- I2C_FUNC_SMBUS_WRITE_BYTE
-#define I2C_FUNC_SMBUS_BYTE_DATA I2C_FUNC_SMBUS_READ_BYTE_DATA | \
- I2C_FUNC_SMBUS_WRITE_BYTE_DATA
-#define I2C_FUNC_SMBUS_WORD_DATA I2C_FUNC_SMBUS_READ_WORD_DATA | \
- I2C_FUNC_SMBUS_WRITE_WORD_DATA
-#define I2C_FUNC_SMBUS_BLOCK_DATA I2C_FUNC_SMBUS_READ_BLOCK_DATA | \
- I2C_FUNC_SMBUS_WRITE_BLOCK_DATA
-#define I2C_FUNC_SMBUS_I2C_BLOCK I2C_FUNC_SMBUS_READ_I2C_BLOCK | \
- I2C_FUNC_SMBUS_WRITE_I2C_BLOCK
-#define I2C_FUNC_SMBUS_I2C_BLOCK_2 I2C_FUNC_SMBUS_READ_I2C_BLOCK_2 | \
- I2C_FUNC_SMBUS_WRITE_I2C_BLOCK_2
-#define I2C_FUNC_SMBUS_BLOCK_DATA_PEC I2C_FUNC_SMBUS_READ_BLOCK_DATA_PEC | \
- I2C_FUNC_SMBUS_WRITE_BLOCK_DATA_PEC
-#define I2C_FUNC_SMBUS_WORD_DATA_PEC I2C_FUNC_SMBUS_READ_WORD_DATA_PEC | \
- I2C_FUNC_SMBUS_WRITE_WORD_DATA_PEC
-
-#define I2C_FUNC_SMBUS_READ_BYTE_PEC I2C_FUNC_SMBUS_READ_BYTE_DATA
-#define I2C_FUNC_SMBUS_WRITE_BYTE_PEC I2C_FUNC_SMBUS_WRITE_BYTE_DATA
-#define I2C_FUNC_SMBUS_READ_BYTE_DATA_PEC I2C_FUNC_SMBUS_READ_WORD_DATA
-#define I2C_FUNC_SMBUS_WRITE_BYTE_DATA_PEC I2C_FUNC_SMBUS_WRITE_WORD_DATA
-#define I2C_FUNC_SMBUS_BYTE_PEC I2C_FUNC_SMBUS_BYTE_DATA
-#define I2C_FUNC_SMBUS_BYTE_DATA_PEC I2C_FUNC_SMBUS_WORD_DATA
-
-#define I2C_FUNC_SMBUS_EMUL I2C_FUNC_SMBUS_QUICK | \
- I2C_FUNC_SMBUS_BYTE | \
- I2C_FUNC_SMBUS_BYTE_DATA | \
- I2C_FUNC_SMBUS_WORD_DATA | \
- I2C_FUNC_SMBUS_PROC_CALL | \
- I2C_FUNC_SMBUS_WRITE_BLOCK_DATA | \
- I2C_FUNC_SMBUS_WRITE_BLOCK_DATA_PEC | \
- I2C_FUNC_SMBUS_I2C_BLOCK
-
-/*
- * Data for SMBus Messages
- */
-#define I2C_SMBUS_BLOCK_MAX 32 /* As specified in SMBus standard */
-#define I2C_SMBUS_I2C_BLOCK_MAX 32 /* Not specified but we use same structure */
-union i2c_smbus_data {
- __u8 byte;
- __u16 word;
- __u8 block[I2C_SMBUS_BLOCK_MAX + 3]; /* block[0] is used for length */
- /* one more for read length in block process call */
- /* and one more for PEC */
-};
-
-/* smbus_access read or write markers */
-#define I2C_SMBUS_READ 1
-#define I2C_SMBUS_WRITE 0
-
-/* SMBus transaction types (size parameter in the above functions)
- Note: these no longer correspond to the (arbitrary) PIIX4 internal codes! */
-#define I2C_SMBUS_QUICK 0
-#define I2C_SMBUS_BYTE 1
-#define I2C_SMBUS_BYTE_DATA 2
-#define I2C_SMBUS_WORD_DATA 3
-#define I2C_SMBUS_PROC_CALL 4
-#define I2C_SMBUS_BLOCK_DATA 5
-#define I2C_SMBUS_I2C_BLOCK_DATA 6
-#define I2C_SMBUS_BLOCK_PROC_CALL 7 /* SMBus 2.0 */
-#define I2C_SMBUS_BLOCK_DATA_PEC 8 /* SMBus 2.0 */
-#define I2C_SMBUS_PROC_CALL_PEC 9 /* SMBus 2.0 */
-#define I2C_SMBUS_BLOCK_PROC_CALL_PEC 10 /* SMBus 2.0 */
-#define I2C_SMBUS_WORD_DATA_PEC 11 /* SMBus 2.0 */
-
-
-/* ----- commands for the ioctl like i2c_command call:
- * note that additional calls are defined in the algorithm and hw
- * dependent layers - these can be listed here, or see the
- * corresponding header files.
- */
- /* -> bit-adapter specific ioctls */
-#define I2C_RETRIES 0x0701 /* number of times a device address */
- /* should be polled when not */
- /* acknowledging */
-#define I2C_TIMEOUT 0x0702 /* set timeout - call with int */
-
-
-/* this is for i2c-dev.c */
-#define I2C_SLAVE 0x0703 /* Change slave address */
- /* Attn.: Slave address is 7 or 10 bits */
-#define I2C_SLAVE_FORCE 0x0706 /* Change slave address */
- /* Attn.: Slave address is 7 or 10 bits */
- /* This changes the address, even if it */
- /* is already taken! */
-#define I2C_TENBIT 0x0704 /* 0 for 7 bit addrs, != 0 for 10 bit */
-
-#define I2C_FUNCS 0x0705 /* Get the adapter functionality */
-#define I2C_RDWR 0x0707 /* Combined R/W transfer (one stop only)*/
-#define I2C_PEC 0x0708 /* != 0 for SMBus PEC */
-#if 0
-#define I2C_ACK_TEST 0x0710 /* See if a slave is at a specific address */
-#endif
-
-#define I2C_SMBUS 0x0720 /* SMBus-level access */
-
-/* ... algo-bit.c recognizes */
-#define I2C_UDELAY 0x0705 /* set delay in microsecs between each */
- /* written byte (except address) */
-#define I2C_MDELAY 0x0706 /* millisec delay between written bytes */
-
-/* ----- I2C-DEV: char device interface stuff ------------------------- */
-
-#define I2C_MAJOR 89 /* Device major number */
-
-/* These defines are used for probing i2c client addresses */
-/* Default fill of many variables */
-#define I2C_CLIENT_DEFAULTS {I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
- I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
- I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
- I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
- I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
- I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
- I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
- I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
- I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
- I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
- I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
- I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
- I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
- I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
- I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
- I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END}
-
-/* This is ugly. We need to evaluate I2C_CLIENT_MAX_OPTS before it is
- stringified */
-#define I2C_CLIENT_MODPARM_AUX1(x) "1-" #x "h"
-#define I2C_CLIENT_MODPARM_AUX(x) I2C_CLIENT_MODPARM_AUX1(x)
-#define I2C_CLIENT_MODPARM I2C_CLIENT_MODPARM_AUX(I2C_CLIENT_MAX_OPTS)
-
-/* I2C_CLIENT_MODULE_PARM creates a module parameter, and puts it in the
- module header */
-
-#define I2C_CLIENT_MODULE_PARM(var,desc) \
- static unsigned short var[I2C_CLIENT_MAX_OPTS] = I2C_CLIENT_DEFAULTS; \
- static unsigned int var##_num; \
- /*MODULE_PARM(var,I2C_CLIENT_MODPARM);*/ \
- module_param_array(var, short, &var##_num, 0); \
- MODULE_PARM_DESC(var,desc)
-
-/* This is the one you want to use in your own modules */
-#define I2C_CLIENT_INSMOD \
- I2C_CLIENT_MODULE_PARM(probe, \
- "List of adapter,address pairs to scan additionally"); \
- I2C_CLIENT_MODULE_PARM(probe_range, \
- "List of adapter,start-addr,end-addr triples to scan " \
- "additionally"); \
- I2C_CLIENT_MODULE_PARM(ignore, \
- "List of adapter,address pairs not to scan"); \
- I2C_CLIENT_MODULE_PARM(ignore_range, \
- "List of adapter,start-addr,end-addr triples not to " \
- "scan"); \
- I2C_CLIENT_MODULE_PARM(force, \
- "List of adapter,address pairs to boldly assume " \
- "to be present"); \
- static struct i2c_client_address_data addr_data = { \
- .normal_i2c = normal_i2c, \
- .normal_i2c_range = normal_i2c_range, \
- .probe = probe, \
- .probe_range = probe_range, \
- .ignore = ignore, \
- .ignore_range = ignore_range, \
- .force = force, \
- }
-
-/* Detect whether we are on the isa bus. If this returns true, all i2c
- access will fail! */
-#define i2c_is_isa_client(clientptr) \
- ((clientptr)->adapter->algo->id == I2C_ALGO_ISA)
-#define i2c_is_isa_adapter(adapptr) \
- ((adapptr)->algo->id == I2C_ALGO_ISA)
-
-
-/* Some IOCTL commands are defined in <linux/i2c.h> */
-/* Note: 10-bit addresses are NOT supported! */
-
-/* This is the structure as used in the I2C_SMBUS ioctl call */
-struct i2c_smbus_ioctl_data {
- __u8 read_write;
- __u8 command;
- __u32 size;
- union i2c_smbus_data *data;
-};
-
-/* This is the structure as used in the I2C_RDWR ioctl call */
-struct i2c_rdwr_ioctl_data {
- struct i2c_msg *msgs; /* pointers to i2c_msgs */
- __u32 nmsgs; /* number of i2c_msgs */
-};
-
-#define I2C_RDRW_IOCTL_MAX_MSGS 42
-
-#include <sys/ioctl.h>
-
-static inline __s32 i2c_smbus_access(int file, char read_write, __u8 command,
- int size, union i2c_smbus_data *data)
-{
- struct i2c_smbus_ioctl_data args;
-
- args.read_write = read_write;
- args.command = command;
- args.size = size;
- args.data = data;
- return ioctl(file,I2C_SMBUS,&args);
-}
-
-
-static inline __s32 i2c_smbus_write_quick(int file, __u8 value)
-{
- return i2c_smbus_access(file,value,0,I2C_SMBUS_QUICK,NULL);
-}
-
-static inline __s32 i2c_smbus_read_byte(int file)
-{
- union i2c_smbus_data data;
- if (i2c_smbus_access(file,I2C_SMBUS_READ,0,I2C_SMBUS_BYTE,&data))
- return -1;
- else
- return 0x0FF & data.byte;
-}
-
-static inline __s32 i2c_smbus_write_byte(int file, __u8 value)
-{
- return i2c_smbus_access(file,I2C_SMBUS_WRITE,value,
- I2C_SMBUS_BYTE,NULL);
-}
-
-static inline __s32 i2c_smbus_read_byte_data(int file, __u8 command)
-{
- union i2c_smbus_data data;
- if (i2c_smbus_access(file,I2C_SMBUS_READ,command,
- I2C_SMBUS_BYTE_DATA,&data))
- return -1;
- else
- return 0x0FF & data.byte;
-}
-
-static inline __s32 i2c_smbus_write_byte_data(int file, __u8 command,
- __u8 value)
-{
- union i2c_smbus_data data;
- data.byte = value;
- return i2c_smbus_access(file,I2C_SMBUS_WRITE,command,
- I2C_SMBUS_BYTE_DATA, &data);
-}
-
-static inline __s32 i2c_smbus_read_word_data(int file, __u8 command)
-{
- union i2c_smbus_data data;
- if (i2c_smbus_access(file,I2C_SMBUS_READ,command,
- I2C_SMBUS_WORD_DATA,&data))
- return -1;
- else
- return 0x0FFFF & data.word;
-}
-
-static inline __s32 i2c_smbus_write_word_data(int file, __u8 command,
- __u16 value)
-{
- union i2c_smbus_data data;
- data.word = value;
- return i2c_smbus_access(file,I2C_SMBUS_WRITE,command,
- I2C_SMBUS_WORD_DATA, &data);
-}
-
-static inline __s32 i2c_smbus_process_call(int file, __u8 command, __u16 value)
-{
- union i2c_smbus_data data;
- data.word = value;
- if (i2c_smbus_access(file,I2C_SMBUS_WRITE,command,
- I2C_SMBUS_PROC_CALL,&data))
- return -1;
- else
- return 0x0FFFF & data.word;
-}
-
-
-/* Returns the number of read bytes */
-static inline __s32 i2c_smbus_read_block_data(int file, __u8 command,
- __u8 *values)
-{
- union i2c_smbus_data data;
- int i;
- if (i2c_smbus_access(file,I2C_SMBUS_READ,command,
- I2C_SMBUS_BLOCK_DATA,&data))
- return -1;
- else {
- for (i = 1; i <= data.block[0]; i++)
- values[i-1] = data.block[i];
- return data.block[0];
- }
-}
-
-static inline __s32 i2c_smbus_write_block_data(int file, __u8 command,
- __u8 length, __u8 *values)
-{
- union i2c_smbus_data data;
- int i;
- if (length > 32)
- length = 32;
- for (i = 1; i <= length; i++)
- data.block[i] = values[i-1];
- data.block[0] = length;
- return i2c_smbus_access(file,I2C_SMBUS_WRITE,command,
- I2C_SMBUS_BLOCK_DATA, &data);
-}
-
-/* Returns the number of read bytes */
-static inline __s32 i2c_smbus_read_i2c_block_data(int file, __u8 command,
- __u8 *values)
-{
- union i2c_smbus_data data;
- int i;
- if (i2c_smbus_access(file,I2C_SMBUS_READ,command,
- I2C_SMBUS_I2C_BLOCK_DATA,&data))
- return -1;
- else {
- for (i = 1; i <= data.block[0]; i++)
- values[i-1] = data.block[i];
- return data.block[0];
- }
-}
-
-static inline __s32 i2c_smbus_write_i2c_block_data(int file, __u8 command,
- __u8 length, __u8 *values)
-{
- union i2c_smbus_data data;
- int i;
- if (length > 32)
- length = 32;
- for (i = 1; i <= length; i++)
- data.block[i] = values[i-1];
- data.block[0] = length;
- return i2c_smbus_access(file,I2C_SMBUS_WRITE,command,
- I2C_SMBUS_I2C_BLOCK_DATA, &data);
-}
-
-/* Returns the number of read bytes */
-static inline __s32 i2c_smbus_block_process_call(int file, __u8 command,
- __u8 length, __u8 *values)
-{
- union i2c_smbus_data data;
- int i;
- if (length > 32)
- length = 32;
- for (i = 1; i <= length; i++)
- data.block[i] = values[i-1];
- data.block[0] = length;
- if (i2c_smbus_access(file,I2C_SMBUS_WRITE,command,
- I2C_SMBUS_BLOCK_PROC_CALL,&data))
- return -1;
- else {
- for (i = 1; i <= data.block[0]; i++)
- values[i-1] = data.block[i];
- return data.block[0];
- }
-}
-
-
-#endif /* _LCD4LINUX_I2C_H */
+ *
+ */
+
+#ifndef _LCD4LINUX_I2C_H
+#define _LCD4LINUX_I2C_H
+
+typedef signed int s32;
+typedef signed int __s32;
+typedef unsigned char u8;
+typedef unsigned short u16;
+typedef unsigned char __u8;
+typedef unsigned short __u16;
+typedef unsigned int u32;
+typedef unsigned int __u32;
+
+/* --- General options ------------------------------------------------ */
+
+struct i2c_msg;
+struct i2c_algorithm;
+struct i2c_adapter;
+struct i2c_client;
+struct i2c_driver;
+struct i2c_client_address_data;
+union i2c_smbus_data;
+
+/*
+ * The master routines are the ones normally used to transmit data to devices
+ * on a bus (or read from them). Apart from two basic transfer functions to
+ * transmit one message at a time, a more complex version can be used to
+ * transmit an arbitrary number of messages without interruption.
+ */
+extern int i2c_master_send(struct i2c_client *, const char *, int);
+extern int i2c_master_recv(struct i2c_client *, char *, int);
+
+/* Transfer num messages.
+ */
+extern int i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], int num);
+
+/*
+ * Some adapter types (i.e. PCF 8584 based ones) may support slave behaviuor.
+ * This is not tested/implemented yet and will change in the future.
+ */
+extern int i2c_slave_send(struct i2c_client *, char *, int);
+extern int i2c_slave_recv(struct i2c_client *, char *, int);
+
+
+
+/* This is the very generalized SMBus access routine. You probably do not
+ want to use this, though; one of the functions below may be much easier,
+ and probably just as fast.
+ Note that we use i2c_adapter here, because you do not need a specific
+ smbus adapter to call this function. */
+extern s32 i2c_smbus_xfer(struct i2c_adapter *adapter, u16 addr,
+ unsigned short flags, char read_write, u8 command, int size, union i2c_smbus_data *data);
+
+/* Now follow the 'nice' access routines. These also document the calling
+ conventions of smbus_access. */
+/*
+extern s32 i2c_smbus_write_quick(struct i2c_client * client, u8 value);
+extern s32 i2c_smbus_read_byte(struct i2c_client * client);
+extern s32 i2c_smbus_write_byte(struct i2c_client * client, u8 value);
+extern s32 i2c_smbus_read_byte_data(struct i2c_client * client, u8 command);
+extern s32 i2c_smbus_write_byte_data(struct i2c_client * client,
+ u8 command, u8 value);
+extern s32 i2c_smbus_read_word_data(struct i2c_client * client, u8 command);
+extern s32 i2c_smbus_write_word_data(struct i2c_client * client,
+ u8 command, u16 value);
+*/
+/* Returns the number of bytes transferred */
+/*
+extern s32 i2c_smbus_write_block_data(struct i2c_client * client,
+ u8 command, u8 length,
+ u8 *values);
+extern s32 i2c_smbus_read_i2c_block_data(struct i2c_client * client,
+ u8 command, u8 *values);
+*/
+
+/*
+ * A driver is capable of handling one or more physical devices present on
+ * I2C adapters. This information is used to inform the driver of adapter
+ * events.
+ */
+
+/*flags for the driver struct: */
+#define I2C_DF_NOTIFY 0x01 /* notify on bus (de/a)ttaches */
+
+/*flags for the client struct: */
+#define I2C_CLIENT_ALLOW_USE 0x01 /* Client allows access */
+#define I2C_CLIENT_ALLOW_MULTIPLE_USE 0x02 /* Allow multiple access-locks */
+ /* on an i2c_client */
+#define I2C_CLIENT_PEC 0x04 /* Use Packet Error Checking */
+#define I2C_CLIENT_TEN 0x10 /* we have a ten bit chip address */
+ /* Must equal I2C_M_TEN below */
+
+/* i2c adapter classes (bitmask) */
+#define I2C_CLASS_HWMON (1<<0) /* lm_sensors, ... */
+#define I2C_CLASS_TV_ANALOG (1<<1) /* bttv + friends */
+#define I2C_CLASS_TV_DIGITAL (1<<2) /* dvb cards */
+#define I2C_CLASS_DDC (1<<3) /* i2c-matroxfb ? */
+#define I2C_CLASS_CAM_ANALOG (1<<4) /* camera with analog CCD */
+#define I2C_CLASS_CAM_DIGITAL (1<<5) /* most webcams */
+#define I2C_CLASS_SOUND (1<<6) /* sound devices */
+#define I2C_CLASS_ALL (UINT_MAX) /* all of the above */
+
+/* i2c_client_address_data is the struct for holding default client
+ * addresses for a driver and for the parameters supplied on the
+ * command line
+ */
+struct i2c_client_address_data {
+ unsigned short *normal_i2c;
+ unsigned short *normal_i2c_range;
+ unsigned short *probe;
+ unsigned short *probe_range;
+ unsigned short *ignore;
+ unsigned short *ignore_range;
+ unsigned short *force;
+};
+
+/* Internal numbers to terminate lists */
+#define I2C_CLIENT_END 0xfffe
+#define I2C_CLIENT_ISA_END 0xfffefffe
+
+/* The numbers to use to set I2C bus address */
+#define ANY_I2C_BUS 0xffff
+#define ANY_I2C_ISA_BUS 9191
+
+/* The length of the option lists */
+#define I2C_CLIENT_MAX_OPTS 48
+
+
+/* ----- functions exported by i2c.o */
+
+/* administration...
+ */
+extern int i2c_add_adapter(struct i2c_adapter *);
+extern int i2c_del_adapter(struct i2c_adapter *);
+
+extern int i2c_add_driver(struct i2c_driver *);
+extern int i2c_del_driver(struct i2c_driver *);
+
+extern int i2c_attach_client(struct i2c_client *);
+extern int i2c_detach_client(struct i2c_client *);
+
+/* New function: This is to get an i2c_client-struct for controlling the
+ client either by using i2c_control-function or having the
+ client-module export functions that can be used with the i2c_client
+ -struct. */
+extern struct i2c_client *i2c_get_client(int driver_id, int adapter_id, struct i2c_client *prev);
+
+/* Should be used with new function
+ extern struct i2c_client *i2c_get_client(int,int,struct i2c_client *);
+ to make sure that client-struct is valid and that it is okay to access
+ the i2c-client.
+ returns -EACCES if client doesn't allow use (default)
+ returns -EBUSY if client doesn't allow multiple use (default) and
+ usage_count >0 */
+extern int i2c_use_client(struct i2c_client *);
+extern int i2c_release_client(struct i2c_client *);
+
+/* call the i2c_client->command() of all attached clients with
+ * the given arguments */
+extern void i2c_clients_command(struct i2c_adapter *adap, unsigned int cmd, void *arg);
+
+/* returns -EBUSY if address has been taken, 0 if not. Note that the only
+ other place at which this is called is within i2c_attach_client; so
+ you can cheat by simply not registering. Not recommended, of course! */
+extern int i2c_check_addr(struct i2c_adapter *adapter, int addr);
+
+/* Detect function. It iterates over all possible addresses itself.
+ * It will only call found_proc if some client is connected at the
+ * specific address (unless a 'force' matched);
+ */
+extern int i2c_probe(struct i2c_adapter *adapter, struct i2c_client_address_data *address_data, int (*found_proc) (struct i2c_adapter *, int, int));
+
+/* An ioctl like call to set div. parameters of the adapter.
+ */
+extern int i2c_control(struct i2c_client *, unsigned int, unsigned long);
+
+/* This call returns a unique low identifier for each registered adapter,
+ * or -1 if the adapter was not registered.
+ */
+extern int i2c_adapter_id(struct i2c_adapter *adap);
+extern struct i2c_adapter *i2c_get_adapter(int id);
+extern void i2c_put_adapter(struct i2c_adapter *adap);
+
+
+/* Return the functionality mask */
+extern u32 i2c_get_functionality(struct i2c_adapter *adap);
+
+/* Return 1 if adapter supports everything we need, 0 if not. */
+extern int i2c_check_functionality(struct i2c_adapter *adap, u32 func);
+
+/*
+ * I2C Message - used for pure i2c transaction, also from /dev interface
+ */
+struct i2c_msg {
+ __u16 addr; /* slave address */
+ __u16 flags;
+#define I2C_M_TEN 0x10 /* we have a ten bit chip address */
+#define I2C_M_RD 0x01
+#define I2C_M_NOSTART 0x4000
+#define I2C_M_REV_DIR_ADDR 0x2000
+#define I2C_M_IGNORE_NAK 0x1000
+#define I2C_M_NO_RD_ACK 0x0800
+ __u16 len; /* msg length */
+ __u8 *buf; /* pointer to msg data */
+};
+
+/* To determine what functionality is present */
+
+#define I2C_FUNC_I2C 0x00000001
+#define I2C_FUNC_10BIT_ADDR 0x00000002
+#define I2C_FUNC_PROTOCOL_MANGLING 0x00000004 /* I2C_M_{REV_DIR_ADDR,NOSTART,..} */
+#define I2C_FUNC_SMBUS_HWPEC_CALC 0x00000008 /* SMBus 2.0 */
+#define I2C_FUNC_SMBUS_READ_WORD_DATA_PEC 0x00000800 /* SMBus 2.0 */
+#define I2C_FUNC_SMBUS_WRITE_WORD_DATA_PEC 0x00001000 /* SMBus 2.0 */
+#define I2C_FUNC_SMBUS_PROC_CALL_PEC 0x00002000 /* SMBus 2.0 */
+#define I2C_FUNC_SMBUS_BLOCK_PROC_CALL_PEC 0x00004000 /* SMBus 2.0 */
+#define I2C_FUNC_SMBUS_BLOCK_PROC_CALL 0x00008000 /* SMBus 2.0 */
+#define I2C_FUNC_SMBUS_QUICK 0x00010000
+#define I2C_FUNC_SMBUS_READ_BYTE 0x00020000
+#define I2C_FUNC_SMBUS_WRITE_BYTE 0x00040000
+#define I2C_FUNC_SMBUS_READ_BYTE_DATA 0x00080000
+#define I2C_FUNC_SMBUS_WRITE_BYTE_DATA 0x00100000
+#define I2C_FUNC_SMBUS_READ_WORD_DATA 0x00200000
+#define I2C_FUNC_SMBUS_WRITE_WORD_DATA 0x00400000
+#define I2C_FUNC_SMBUS_PROC_CALL 0x00800000
+#define I2C_FUNC_SMBUS_READ_BLOCK_DATA 0x01000000
+#define I2C_FUNC_SMBUS_WRITE_BLOCK_DATA 0x02000000
+#define I2C_FUNC_SMBUS_READ_I2C_BLOCK 0x04000000 /* I2C-like block xfer */
+#define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK 0x08000000 /* w/ 1-byte reg. addr. */
+#define I2C_FUNC_SMBUS_READ_I2C_BLOCK_2 0x10000000 /* I2C-like block xfer */
+#define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK_2 0x20000000 /* w/ 2-byte reg. addr. */
+#define I2C_FUNC_SMBUS_READ_BLOCK_DATA_PEC 0x40000000 /* SMBus 2.0 */
+#define I2C_FUNC_SMBUS_WRITE_BLOCK_DATA_PEC 0x80000000 /* SMBus 2.0 */
+
+#define I2C_FUNC_SMBUS_BYTE I2C_FUNC_SMBUS_READ_BYTE | \
+ I2C_FUNC_SMBUS_WRITE_BYTE
+#define I2C_FUNC_SMBUS_BYTE_DATA I2C_FUNC_SMBUS_READ_BYTE_DATA | \
+ I2C_FUNC_SMBUS_WRITE_BYTE_DATA
+#define I2C_FUNC_SMBUS_WORD_DATA I2C_FUNC_SMBUS_READ_WORD_DATA | \
+ I2C_FUNC_SMBUS_WRITE_WORD_DATA
+#define I2C_FUNC_SMBUS_BLOCK_DATA I2C_FUNC_SMBUS_READ_BLOCK_DATA | \
+ I2C_FUNC_SMBUS_WRITE_BLOCK_DATA
+#define I2C_FUNC_SMBUS_I2C_BLOCK I2C_FUNC_SMBUS_READ_I2C_BLOCK | \
+ I2C_FUNC_SMBUS_WRITE_I2C_BLOCK
+#define I2C_FUNC_SMBUS_I2C_BLOCK_2 I2C_FUNC_SMBUS_READ_I2C_BLOCK_2 | \
+ I2C_FUNC_SMBUS_WRITE_I2C_BLOCK_2
+#define I2C_FUNC_SMBUS_BLOCK_DATA_PEC I2C_FUNC_SMBUS_READ_BLOCK_DATA_PEC | \
+ I2C_FUNC_SMBUS_WRITE_BLOCK_DATA_PEC
+#define I2C_FUNC_SMBUS_WORD_DATA_PEC I2C_FUNC_SMBUS_READ_WORD_DATA_PEC | \
+ I2C_FUNC_SMBUS_WRITE_WORD_DATA_PEC
+
+#define I2C_FUNC_SMBUS_READ_BYTE_PEC I2C_FUNC_SMBUS_READ_BYTE_DATA
+#define I2C_FUNC_SMBUS_WRITE_BYTE_PEC I2C_FUNC_SMBUS_WRITE_BYTE_DATA
+#define I2C_FUNC_SMBUS_READ_BYTE_DATA_PEC I2C_FUNC_SMBUS_READ_WORD_DATA
+#define I2C_FUNC_SMBUS_WRITE_BYTE_DATA_PEC I2C_FUNC_SMBUS_WRITE_WORD_DATA
+#define I2C_FUNC_SMBUS_BYTE_PEC I2C_FUNC_SMBUS_BYTE_DATA
+#define I2C_FUNC_SMBUS_BYTE_DATA_PEC I2C_FUNC_SMBUS_WORD_DATA
+
+#define I2C_FUNC_SMBUS_EMUL I2C_FUNC_SMBUS_QUICK | \
+ I2C_FUNC_SMBUS_BYTE | \
+ I2C_FUNC_SMBUS_BYTE_DATA | \
+ I2C_FUNC_SMBUS_WORD_DATA | \
+ I2C_FUNC_SMBUS_PROC_CALL | \
+ I2C_FUNC_SMBUS_WRITE_BLOCK_DATA | \
+ I2C_FUNC_SMBUS_WRITE_BLOCK_DATA_PEC | \
+ I2C_FUNC_SMBUS_I2C_BLOCK
+
+/*
+ * Data for SMBus Messages
+ */
+#define I2C_SMBUS_BLOCK_MAX 32 /* As specified in SMBus standard */
+#define I2C_SMBUS_I2C_BLOCK_MAX 32 /* Not specified but we use same structure */
+union i2c_smbus_data {
+ __u8 byte;
+ __u16 word;
+ __u8 block[I2C_SMBUS_BLOCK_MAX + 3]; /* block[0] is used for length */
+ /* one more for read length in block process call */
+ /* and one more for PEC */
+};
+
+/* smbus_access read or write markers */
+#define I2C_SMBUS_READ 1
+#define I2C_SMBUS_WRITE 0
+
+/* SMBus transaction types (size parameter in the above functions)
+ Note: these no longer correspond to the (arbitrary) PIIX4 internal codes! */
+#define I2C_SMBUS_QUICK 0
+#define I2C_SMBUS_BYTE 1
+#define I2C_SMBUS_BYTE_DATA 2
+#define I2C_SMBUS_WORD_DATA 3
+#define I2C_SMBUS_PROC_CALL 4
+#define I2C_SMBUS_BLOCK_DATA 5
+#define I2C_SMBUS_I2C_BLOCK_DATA 6
+#define I2C_SMBUS_BLOCK_PROC_CALL 7 /* SMBus 2.0 */
+#define I2C_SMBUS_BLOCK_DATA_PEC 8 /* SMBus 2.0 */
+#define I2C_SMBUS_PROC_CALL_PEC 9 /* SMBus 2.0 */
+#define I2C_SMBUS_BLOCK_PROC_CALL_PEC 10 /* SMBus 2.0 */
+#define I2C_SMBUS_WORD_DATA_PEC 11 /* SMBus 2.0 */
+
+
+/* ----- commands for the ioctl like i2c_command call:
+ * note that additional calls are defined in the algorithm and hw
+ * dependent layers - these can be listed here, or see the
+ * corresponding header files.
+ */
+ /* -> bit-adapter specific ioctls */
+#define I2C_RETRIES 0x0701 /* number of times a device address */
+ /* should be polled when not */
+ /* acknowledging */
+#define I2C_TIMEOUT 0x0702 /* set timeout - call with int */
+
+
+/* this is for i2c-dev.c */
+#define I2C_SLAVE 0x0703 /* Change slave address */
+ /* Attn.: Slave address is 7 or 10 bits */
+#define I2C_SLAVE_FORCE 0x0706 /* Change slave address */
+ /* Attn.: Slave address is 7 or 10 bits */
+ /* This changes the address, even if it */
+ /* is already taken! */
+#define I2C_TENBIT 0x0704 /* 0 for 7 bit addrs, != 0 for 10 bit */
+
+#define I2C_FUNCS 0x0705 /* Get the adapter functionality */
+#define I2C_RDWR 0x0707 /* Combined R/W transfer (one stop only) */
+#define I2C_PEC 0x0708 /* != 0 for SMBus PEC */
+#if 0
+#define I2C_ACK_TEST 0x0710 /* See if a slave is at a specific address */
+#endif
+
+#define I2C_SMBUS 0x0720 /* SMBus-level access */
+
+/* ... algo-bit.c recognizes */
+#define I2C_UDELAY 0x0705 /* set delay in microsecs between each */
+ /* written byte (except address) */
+#define I2C_MDELAY 0x0706 /* millisec delay between written bytes */
+
+/* ----- I2C-DEV: char device interface stuff ------------------------- */
+
+#define I2C_MAJOR 89 /* Device major number */
+
+/* These defines are used for probing i2c client addresses */
+/* Default fill of many variables */
+#define I2C_CLIENT_DEFAULTS {I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
+ I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
+ I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
+ I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
+ I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
+ I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
+ I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
+ I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
+ I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
+ I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
+ I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
+ I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
+ I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
+ I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
+ I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
+ I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END}
+
+/* This is ugly. We need to evaluate I2C_CLIENT_MAX_OPTS before it is
+ stringified */
+#define I2C_CLIENT_MODPARM_AUX1(x) "1-" #x "h"
+#define I2C_CLIENT_MODPARM_AUX(x) I2C_CLIENT_MODPARM_AUX1(x)
+#define I2C_CLIENT_MODPARM I2C_CLIENT_MODPARM_AUX(I2C_CLIENT_MAX_OPTS)
+
+/* I2C_CLIENT_MODULE_PARM creates a module parameter, and puts it in the
+ module header */
+
+#define I2C_CLIENT_MODULE_PARM(var,desc) \
+ static unsigned short var[I2C_CLIENT_MAX_OPTS] = I2C_CLIENT_DEFAULTS; \
+ static unsigned int var##_num; \
+ /*MODULE_PARM(var,I2C_CLIENT_MODPARM);*/ \
+ module_param_array(var, short, &var##_num, 0); \
+ MODULE_PARM_DESC(var,desc)
+
+/* This is the one you want to use in your own modules */
+#define I2C_CLIENT_INSMOD \
+ I2C_CLIENT_MODULE_PARM(probe, \
+ "List of adapter,address pairs to scan additionally"); \
+ I2C_CLIENT_MODULE_PARM(probe_range, \
+ "List of adapter,start-addr,end-addr triples to scan " \
+ "additionally"); \
+ I2C_CLIENT_MODULE_PARM(ignore, \
+ "List of adapter,address pairs not to scan"); \
+ I2C_CLIENT_MODULE_PARM(ignore_range, \
+ "List of adapter,start-addr,end-addr triples not to " \
+ "scan"); \
+ I2C_CLIENT_MODULE_PARM(force, \
+ "List of adapter,address pairs to boldly assume " \
+ "to be present"); \
+ static struct i2c_client_address_data addr_data = { \
+ .normal_i2c = normal_i2c, \
+ .normal_i2c_range = normal_i2c_range, \
+ .probe = probe, \
+ .probe_range = probe_range, \
+ .ignore = ignore, \
+ .ignore_range = ignore_range, \
+ .force = force, \
+ }
+
+/* Detect whether we are on the isa bus. If this returns true, all i2c
+ access will fail! */
+#define i2c_is_isa_client(clientptr) \
+ ((clientptr)->adapter->algo->id == I2C_ALGO_ISA)
+#define i2c_is_isa_adapter(adapptr) \
+ ((adapptr)->algo->id == I2C_ALGO_ISA)
+
+
+/* Some IOCTL commands are defined in <linux/i2c.h> */
+/* Note: 10-bit addresses are NOT supported! */
+
+/* This is the structure as used in the I2C_SMBUS ioctl call */
+struct i2c_smbus_ioctl_data {
+ __u8 read_write;
+ __u8 command;
+ __u32 size;
+ union i2c_smbus_data *data;
+};
+
+/* This is the structure as used in the I2C_RDWR ioctl call */
+struct i2c_rdwr_ioctl_data {
+ struct i2c_msg *msgs; /* pointers to i2c_msgs */
+ __u32 nmsgs; /* number of i2c_msgs */
+};
+
+#define I2C_RDRW_IOCTL_MAX_MSGS 42
+
+#include <sys/ioctl.h>
+
+static inline __s32 i2c_smbus_access(int file, char read_write, __u8 command, int size, union i2c_smbus_data *data)
+{
+ struct i2c_smbus_ioctl_data args;
+
+ args.read_write = read_write;
+ args.command = command;
+ args.size = size;
+ args.data = data;
+ return ioctl(file, I2C_SMBUS, &args);
+}
+
+
+static inline __s32 i2c_smbus_write_quick(int file, __u8 value)
+{
+ return i2c_smbus_access(file, value, 0, I2C_SMBUS_QUICK, NULL);
+}
+
+static inline __s32 i2c_smbus_read_byte(int file)
+{
+ union i2c_smbus_data data;
+ if (i2c_smbus_access(file, I2C_SMBUS_READ, 0, I2C_SMBUS_BYTE, &data))
+ return -1;
+ else
+ return 0x0FF & data.byte;
+}
+
+static inline __s32 i2c_smbus_write_byte(int file, __u8 value)
+{
+ return i2c_smbus_access(file, I2C_SMBUS_WRITE, value, I2C_SMBUS_BYTE, NULL);
+}
+
+static inline __s32 i2c_smbus_read_byte_data(int file, __u8 command)
+{
+ union i2c_smbus_data data;
+ if (i2c_smbus_access(file, I2C_SMBUS_READ, command, I2C_SMBUS_BYTE_DATA, &data))
+ return -1;
+ else
+ return 0x0FF & data.byte;
+}
+
+static inline __s32 i2c_smbus_write_byte_data(int file, __u8 command, __u8 value)
+{
+ union i2c_smbus_data data;
+ data.byte = value;
+ return i2c_smbus_access(file, I2C_SMBUS_WRITE, command, I2C_SMBUS_BYTE_DATA, &data);
+}
+
+static inline __s32 i2c_smbus_read_word_data(int file, __u8 command)
+{
+ union i2c_smbus_data data;
+ if (i2c_smbus_access(file, I2C_SMBUS_READ, command, I2C_SMBUS_WORD_DATA, &data))
+ return -1;
+ else
+ return 0x0FFFF & data.word;
+}
+
+static inline __s32 i2c_smbus_write_word_data(int file, __u8 command, __u16 value)
+{
+ union i2c_smbus_data data;
+ data.word = value;
+ return i2c_smbus_access(file, I2C_SMBUS_WRITE, command, I2C_SMBUS_WORD_DATA, &data);
+}
+
+static inline __s32 i2c_smbus_process_call(int file, __u8 command, __u16 value)
+{
+ union i2c_smbus_data data;
+ data.word = value;
+ if (i2c_smbus_access(file, I2C_SMBUS_WRITE, command, I2C_SMBUS_PROC_CALL, &data))
+ return -1;
+ else
+ return 0x0FFFF & data.word;
+}
+
+
+/* Returns the number of read bytes */
+static inline __s32 i2c_smbus_read_block_data(int file, __u8 command, __u8 * values)
+{
+ union i2c_smbus_data data;
+ int i;
+ if (i2c_smbus_access(file, I2C_SMBUS_READ, command, I2C_SMBUS_BLOCK_DATA, &data))
+ return -1;
+ else {
+ for (i = 1; i <= data.block[0]; i++)
+ values[i - 1] = data.block[i];
+ return data.block[0];
+ }
+}
+
+static inline __s32 i2c_smbus_write_block_data(int file, __u8 command, __u8 length, __u8 * values)
+{
+ union i2c_smbus_data data;
+ int i;
+ if (length > 32)
+ length = 32;
+ for (i = 1; i <= length; i++)
+ data.block[i] = values[i - 1];
+ data.block[0] = length;
+ return i2c_smbus_access(file, I2C_SMBUS_WRITE, command, I2C_SMBUS_BLOCK_DATA, &data);
+}
+
+/* Returns the number of read bytes */
+static inline __s32 i2c_smbus_read_i2c_block_data(int file, __u8 command, __u8 * values)
+{
+ union i2c_smbus_data data;
+ int i;
+ if (i2c_smbus_access(file, I2C_SMBUS_READ, command, I2C_SMBUS_I2C_BLOCK_DATA, &data))
+ return -1;
+ else {
+ for (i = 1; i <= data.block[0]; i++)
+ values[i - 1] = data.block[i];
+ return data.block[0];
+ }
+}
+
+static inline __s32 i2c_smbus_write_i2c_block_data(int file, __u8 command, __u8 length, __u8 * values)
+{
+ union i2c_smbus_data data;
+ int i;
+ if (length > 32)
+ length = 32;
+ for (i = 1; i <= length; i++)
+ data.block[i] = values[i - 1];
+ data.block[0] = length;
+ return i2c_smbus_access(file, I2C_SMBUS_WRITE, command, I2C_SMBUS_I2C_BLOCK_DATA, &data);
+}
+
+/* Returns the number of read bytes */
+static inline __s32 i2c_smbus_block_process_call(int file, __u8 command, __u8 length, __u8 * values)
+{
+ union i2c_smbus_data data;
+ int i;
+ if (length > 32)
+ length = 32;
+ for (i = 1; i <= length; i++)
+ data.block[i] = values[i - 1];
+ data.block[0] = length;
+ if (i2c_smbus_access(file, I2C_SMBUS_WRITE, command, I2C_SMBUS_BLOCK_PROC_CALL, &data))
+ return -1;
+ else {
+ for (i = 1; i <= data.block[0]; i++)
+ values[i - 1] = data.block[i];
+ return data.block[0];
+ }
+}
+
+
+#endif /* _LCD4LINUX_I2C_H */
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-15 12:44:08 +0000