Initial import of sane-backends version 1.0.24-1.2

1 files changed, 362 insertions, 0 deletions

diff --git a/backend/plustek-pp_sysdep.h b/backend/plustek-pp_sysdep.h
new file mode 100644
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+++ b/backend/plustek-pp_sysdep.h
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+/* @file plustek-pp_sysdep.h
+ * @brief a trial to centralize changes between the different 
+ *        kernel-versions some stuff is maybe not relevant, but anyway...
+ *
+ * Copyright (C) 2000-2013 Gerhard Jaeger <gerhard@gjaeger.de>
+ *
+ * History:
+ * 0.30 - initial version
+ * 0.38 - added this header
+ * 0.39 - added kernel 2.4 stuff
+ * 0.40 - added slab.h/malloc.h stuff for kernel >= 2.4.17
+ * 0.41 - no changes
+ * 0.42 - added _GET_TIME
+ *      - added LINUX_26 for new kernel
+ *      - added _MINOR
+ * 0.43 - added class functions
+ * 0.44 - added support for kernel >= 2.6.35 and 3.x
+ * .
+ * <hr>
+ * This file is part of the SANE package.
+ *
+ * This program 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 of the
+ * License, or (at your option) any later version.
+ *
+ * This program 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., 59 Temple Place - Suite 330, Boston,
+ * MA 02111-1307, USA.
+ *
+ * As a special exception, the authors of SANE give permission for
+ * additional uses of the libraries contained in this release of SANE.
+ *
+ * The exception is that, if you link a SANE library with other files
+ * to produce an executable, this does not by itself cause the
+ * resulting executable to be covered by the GNU General Public
+ * License.  Your use of that executable is in no way restricted on
+ * account of linking the SANE library code into it.
+ *
+ * This exception does not, however, invalidate any other reasons why
+ * the executable file might be covered by the GNU General Public
+ * License.
+ *
+ * If you submit changes to SANE to the maintainers to be included in
+ * a subsequent release, you agree by submitting the changes that
+ * those changes may be distributed with this exception intact.
+ *
+ * If you write modifications of your own for SANE, it is your choice
+ * whether to permit this exception to apply to your modifications.
+ * If you do not wish that, delete this exception notice.
+ * <hr>
+ */
+#ifndef _SYSDEP_H_
+#define _SYSDEP_H_
+
+#ifndef LINUX_VERSION_CODE
+# include <linux/version.h>
+#endif
+
+#ifndef VERSION_CODE
+#  define VERSION_CODE(vers,rel,seq) ( ((vers)<<16) | ((rel)<<8) | (seq) )
+#endif
+
+/* only allow > 2.0.x */
+#if LINUX_VERSION_CODE < VERSION_CODE(2,0,0)
+#  error "This kernel is too old: not supported by this file"
+#endif
+#if LINUX_VERSION_CODE < VERSION_CODE(2,1,0)
+#  define LINUX_20
+#elif LINUX_VERSION_CODE < VERSION_CODE(2,4,0)
+#  define LINUX_21
+#elif LINUX_VERSION_CODE < VERSION_CODE(2,6,0)
+#  define LINUX_24
+#else
+#  define LINUX_24
+#  define LINUX_26
+# include <linux/device.h>
+# if LINUX_VERSION_CODE > VERSION_CODE(2,6,35)
+#  define NOLOCK_IOCTL
+#  define IOCTL unlocked_ioctl
+# else
+#  define IOCTL ioctl
+# endif
+# if LINUX_VERSION_CODE > VERSION_CODE(3,0,0)
+#   include <linux/sched.h>
+# endif
+#endif
+
+#include <linux/types.h> /* used later in this header */
+
+
+/* Modularization issues */
+#if LINUX_VERSION_CODE < VERSION_CODE(2,1,18)
+#  define __USE_OLD_SYMTAB__
+#  define EXPORT_NO_SYMBOLS register_symtab(NULL);
+#  define REGISTER_SYMTAB(tab) register_symtab(tab)
+#else
+#  define REGISTER_SYMTAB(tab) /* nothing */
+#endif
+
+#ifdef __USE_OLD_SYMTAB__
+#  define __MODULE_STRING(s)         /* nothing */
+#  define MODULE_PARM(v,t)           /* nothing */
+#  define MODULE_PARM_DESC(v,t)      /* nothing */
+#  define MODULE_AUTHOR(n)           /* nothing */
+#  define MODULE_DESCRIPTION(d)      /* nothing */
+#  define MODULE_SUPPORTED_DEVICE(n) /* nothing */
+#endif
+
+#if LINUX_VERSION_CODE < VERSION_CODE(2,1,31)
+# define CLOSETYPE     		void
+# define CLOSERETURN(arg)
+#else
+# define CLOSETYPE     		int
+# define CLOSERETURN(arg)	return arg
+#endif
+
+/*
+ * "select" changed in 2.1.23. The implementation is twin, but this
+ * header is new
+ */
+#if LINUX_VERSION_CODE > VERSION_CODE(2,1,22)
+#  include <linux/poll.h>
+#else
+#  define __USE_OLD_SELECT__
+#endif
+
+/* Other change in the fops are solved using pseudo-types */
+#if defined(LINUX_21) || defined(LINUX_24) || defined(LINUX_26)
+#  define lseek_t      long long
+#  define lseek_off_t  long long
+#else
+#  define lseek_t      int
+#  define lseek_off_t  off_t
+#endif
+
+/* changed the prototype of read/write */
+#if defined(LINUX_21) || defined (LINUX_24) || defined(LINUX_26) || defined(__alpha__)
+# define count_t unsigned long
+# define read_write_t long
+#else
+# define count_t int
+# define read_write_t int
+#endif
+
+
+#if LINUX_VERSION_CODE < VERSION_CODE(2,1,31)
+# define release_t void
+#  define release_return(x) return
+#else
+#  define release_t int
+#  define release_return(x) return (x)
+#endif
+
+/*
+ * access to user space: use the 2.1 functions,
+ * and implement them as macros for 2.0
+ */
+
+#ifdef LINUX_20
+#  include <asm/segment.h>
+#  define access_ok(t,a,sz)           (verify_area((t),(a),(sz)) ? 0 : 1)
+#  define verify_area_20              verify_area
+#  define copy_to_user(t,f,n)         (memcpy_tofs(t,f,n), 0)
+#  define __copy_to_user(t,f,n)       copy_to_user((t),(f),(n))
+#  define copy_to_user_ret(t,f,n,r)   copy_to_user((t),(f),(n))
+#  define copy_from_user(t,f,n)       (memcpy_fromfs((t),(f),(n)), 0)
+#  define __copy_from_user(t,f,n)     copy_from_user((t),(f),(n))
+#  define copy_from_user_ret(t,f,n,r) copy_from_user((t),(f),(n))
+#  define PUT_USER(val,add)           (put_user((val),(add)), 0)
+#  define __PUT_USER(val,add)         PUT_USER((val),(add))
+#  define PUT_USER_RET(val,add,ret)   PUT_USER((val),(add))
+#  define GET_USER(dest,add)          ((dest)=get_user((add)), 0)
+#  define __GET_USER(dest,add)        GET_USER((dest),(add))
+#  define GET_USER_RET(dest,add,ret)  GET_USER((dest),(add))
+#else
+#  include <asm/uaccess.h>
+#  include <asm/io.h>
+#  define verify_area_20(t,a,sz) (0) /* == success */
+#  define PUT_USER put_user
+#  define __PUT_USER __put_user
+#  define PUT_USER_RET put_user_ret
+#  define GET_USER get_user
+#  define __GET_USER __get_user
+#  define GET_USER_RET get_user_ret
+
+/* starting with 2.4.0-test8, they removed the put_user_ret and get_user_ret
+ * macros, so we recode'em
+ */
+#if defined(LINUX_24) || defined(LINUX_26)
+#ifndef put_user_ret
+#  define put_user_ret(x,ptr,ret) ({ if (put_user(x,ptr)) return ret; })
+#endif
+
+#ifndef get_user_ret
+#  define get_user_ret(x,ptr,ret) ({ if (get_user(x,ptr)) return ret; })
+#endif
+#endif
+
+#endif
+
+/* ioremap */
+#ifdef LINUX_20
+# define ioremap vremap
+# define iounmap vfree
+#endif
+
+/* The use_count of exec_domain and binfmt changed in 2.1.23 */
+
+#ifdef LINUX_20
+#  define INCRCOUNT(p)  ((p)->module ? __MOD_INC_USE_COUNT((p)->module) : 0)
+#  define CURRCOUNT(p)  ((p)->module && (p)->module->usecount)
+#  define DECRCOUNT(p)  ((p)->module ? __MOD_DEC_USE_COUNT((p)->module) : 0)
+#else
+#  define INCRCOUNT(p)  ((p)->use_count++)
+#  define CURRCOUNT(p)  ((p)->use_count)
+#  define DECRCOUNT(p)  ((p)->use_count--)
+#endif
+
+/* register_dynamic no more existent -- just have 0 as inum */
+#if LINUX_VERSION_CODE >= VERSION_CODE(2,1,29)
+#  define proc_register_dynamic proc_register
+#endif
+
+#if LINUX_VERSION_CODE < VERSION_CODE(2,1,37)
+#  define test_and_set_bit(nr,addr)  test_bit((nr),(addr))
+#  define test_and_clear_bit(nr,addr) clear_bit((nr),(addr))
+#  define test_and_change_bit(nr,addr) change_bit((nr),(addr))
+#endif
+
+/* 2.1.30 removed these functions. Let's define them, just in case */
+#if LINUX_VERSION_CODE > VERSION_CODE(2,1,29)
+#  define queue_task_irq      queue_task
+#  define queue_task_irq_off  queue_task
+#endif
+
+/* 2.1.10 and 2.1.43 introduced new functions. They are worth using */
+
+#if LINUX_VERSION_CODE < VERSION_CODE(2,1,10)
+
+#  include <asm/byteorder.h>
+#  ifdef __LITTLE_ENDIAN
+#    define cpu_to_le16(x) (x)
+#    define cpu_to_le32(x) (x)
+#    define cpu_to_be16(x) htons((x))
+#    define cpu_to_be32(x) htonl((x))
+#  else
+#    define cpu_to_be16(x) (x)
+#    define cpu_to_be32(x) (x)
+     extern inline __u16 cpu_to_le16(__u16 x) { return (x<<8) | (x>>8);}
+     extern inline __u32 cpu_to_le32(__u32 x) { return((x>>24) |
+             ((x>>8)&0xff00) | ((x<<8)&0xff0000) | (x<<24));}
+#  endif
+
+#  define le16_to_cpu(x)  cpu_to_le16(x)
+#  define le32_to_cpu(x)  cpu_to_le32(x)
+#  define be16_to_cpu(x)  cpu_to_be16(x)
+#  define be32_to_cpu(x)  cpu_to_be32(x)
+
+#endif
+
+#if LINUX_VERSION_CODE < VERSION_CODE(2,1,43)
+#  define cpu_to_le16p(addr) (cpu_to_le16(*(addr)))
+#  define cpu_to_le32p(addr) (cpu_to_le32(*(addr)))
+#  define cpu_to_be16p(addr) (cpu_to_be16(*(addr)))
+#  define cpu_to_be32p(addr) (cpu_to_be32(*(addr)))
+
+   extern inline void cpu_to_le16s(__u16 *a) {*a = cpu_to_le16(*a);}
+   extern inline void cpu_to_le32s(__u16 *a) {*a = cpu_to_le32(*a);}
+   extern inline void cpu_to_be16s(__u16 *a) {*a = cpu_to_be16(*a);}
+   extern inline void cpu_to_be32s(__u16 *a) {*a = cpu_to_be32(*a);}
+
+#  define le16_to_cpup(x) cpu_to_le16p(x)
+#  define le32_to_cpup(x) cpu_to_le32p(x)
+#  define be16_to_cpup(x) cpu_to_be16p(x)
+#  define be32_to_cpup(x) cpu_to_be32p(x)
+
+#  define le16_to_cpus(x) cpu_to_le16s(x)
+#  define le32_to_cpus(x) cpu_to_le32s(x)
+#  define be16_to_cpus(x) cpu_to_be16s(x)
+#  define be32_to_cpus(x) cpu_to_be32s(x)
+#endif
+
+#if LINUX_VERSION_CODE < VERSION_CODE(2,1,15)
+#  define __USE_OLD_REBUILD_HEADER__
+#endif
+
+#if LINUX_VERSION_CODE < VERSION_CODE(2,1,30)
+#  define in_interrupt() (intr_count!=0)
+#endif
+
+/*
+ * from 2.4.17 on, they decided to use slab.h instead of malloc.h... so what...
+ * somewhere from 2.4.18-pre9 they skipped get_fast_time...
+ */
+#if LINUX_VERSION_CODE < VERSION_CODE(2,4,17)
+#  include "linux/malloc.h"
+#  define _GET_TIME get_fast_time
+#else
+#  include "linux/slab.h"
+#  define _GET_TIME do_gettimeofday
+#endif
+
+#ifdef LINUX_26
+#  define _MINOR(p) iminor(p)
+#else
+#  define _MINOR(p) minor(p->i_rdev)
+#endif
+
+/* Basic class macros */
+#ifdef LINUX_26
+#if LINUX_VERSION_CODE >= VERSION_CODE(2,6,15)
+
+typedef struct class class_t;
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
+#define CLASS_DEV_CREATE(class, devt, device, name) \
+      device_create(class, device, devt, NULL, "%s", name)
+#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26)
+#define CLASS_DEV_CREATE(class, devt, device, name) \
+        device_create(class, device, devt, name)
+#else
+#define CLASS_DEV_CREATE(class, devt, device, name) \
+        class_device_create(class, NULL, devt, device, name)
+#endif
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26)
+#define CLASS_DEV_DESTROY device_destroy
+#else
+#define CLASS_DEV_DESTROY class_device_destroy
+#endif
+
+#else /* LINUX 2.6.0 - 2.6.14 */
+
+#if LINUX_VERSION_CODE >= VERSION_CODE(2,6,13) /* LINUX 2.6.13 - 2.6.14 */
+typedef struct class class_t;
+#define CLASS_DEVICE_CREATE            class_device_create
+#define CLASS_DEV_DESTROY(class, devt) class_device_destroy(class, devt)
+
+#else /* LINUX 2.6.0 - 2.6.12, class_simple */
+
+typedef struct class_simple class_t;
+#define CLASS_DEVICE_CREATE            class_simple_device_add
+#define CLASS_DEV_DESTROY(class, devt) class_simple_device_remove(class, devt)
+
+#define class_create class_simple_create
+#define class_destroy class_simple_destroy
+#define class_device_destroy(a, b) class_simple_device_remove(b)
+
+#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,13) */
+#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,15) */
+#endif
+
+#endif /* _SYSDEP_H_ */
+
+/* END PLUSTEK-PP_SYSDEP.H ..................................................*/