Added support for KVASER PCICAN-S/D/Q cards.
[lincan.git] / lincan / include / can_sysdep.h
1 #ifndef _CAN_SYSDEP_H
2 #define _CAN_SYSDEP_H
3
4 #ifdef CAN_WITH_RTL
5 #include <rtl.h>
6 #include <rtl_sync.h>
7 #include <rtl_core.h>
8 #include <rtl_mutex.h>
9 #include <rtl_sched.h>
10 #endif /*CAN_WITH_RTL*/
11
12 /*#define __NO_VERSION__*/
13 /*#include <linux/module.h>*/
14
15 #include <linux/version.h>
16 #include <linux/wait.h>
17 #include <linux/list.h>
18 #include <linux/fs.h>
19 #include <linux/ioport.h>
20 #include <linux/delay.h>
21 #include <linux/sched.h>
22 #include <linux/interrupt.h>
23 #include <asm/errno.h>
24
25 #include <asm/io.h>
26 #include <asm/atomic.h>
27 #include <asm/irq.h>
28 #include <asm/uaccess.h>
29
30 /*optional features*/
31 #define CAN_ENABLE_KERN_FASYNC
32 #define CAN_ENABLE_PCI_SUPPORT
33
34 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0))
35 #include <linux/malloc.h>
36 #else
37 #include <linux/slab.h>
38 #endif
39
40 #ifdef CAN_ENABLE_PCI_SUPPORT
41 #include "linux/pci.h"
42 #endif /*CAN_ENABLE_PCI_SUPPORT*/
43
44 /* Next is not sctrictly correct, because of 2.3.0, 2.3.1, 2.3.2
45    kernels need next definitions  too */
46 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,2,19)) /* may need correction */
47   #define wait_queue_head_t struct wait_queue *
48   #define wait_queue_t      struct wait_queue
49   #define init_waitqueue_head(queue_head) (*queue_head=NULL)
50   #define init_waitqueue_entry(qentry,qtask) \
51                         (qentry->next=NULL,qentry->task=qtask)
52   #define DECLARE_WAIT_QUEUE_HEAD(name) \
53         struct wait_queue * name=NULL
54   #define DECLARE_WAITQUEUE(wait, current) \
55         struct wait_queue wait = { current, NULL }
56   #define init_MUTEX(sem) (*sem=MUTEX)
57   #define DECLARE_MUTEX(name) struct semaphore name=MUTEX
58 #endif /* 2.2.19 */
59
60
61 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,7)) || (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0))
62
63 #define MINOR_NR \
64         (MINOR(file->f_dentry->d_inode->i_rdev))
65
66 #else /* Linux kernel < 2.5.7 or >= 2.6.0 */
67
68 #define MINOR_NR \
69         (minor(file->f_dentry->d_inode->i_rdev))
70
71 #endif /* Linux kernel < 2.5.7 or >= 2.6.0 */
72
73 #ifndef CAN_WITH_RTL
74 #if ((LINUX_VERSION_CODE < KERNEL_VERSION(2,5,68)) && !defined(IRQ_RETVAL))
75   typedef void can_irqreturn_t;
76   #define CAN_IRQ_NONE
77   #define CAN_IRQ_HANDLED
78   #define CAN_IRQ_RETVAL(x)
79 #else /* <=2.5.67 */
80   typedef irqreturn_t can_irqreturn_t;
81   #define CAN_IRQ_NONE    IRQ_NONE
82   #define CAN_IRQ_HANDLED IRQ_HANDLED
83   #define CAN_IRQ_RETVAL  IRQ_RETVAL
84 #endif /* <=2.5.67 */
85 #else /*CAN_WITH_RTL*/
86   typedef int can_irqreturn_t;
87   #define CAN_IRQ_NONE        0
88   #define CAN_IRQ_HANDLED     1
89   #define CAN_IRQ_RETVAL(x)   ((x) != 0)
90 #endif /*CAN_WITH_RTL*/
91
92 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,33))
93    #define can_synchronize_irq(irqnum) synchronize_irq()
94 #else /* >=2.5.33 */
95    #define can_synchronize_irq synchronize_irq
96 #endif
97
98 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0))
99   #define del_timer_sync del_timer
100 #endif /* <2.4.0 */
101
102 #ifndef CAN_WITH_RTL
103 /* Standard LINUX kernel */
104
105 #define can_spinlock_t             spinlock_t
106 #define can_spin_irqflags_t        unsigned long
107 #define can_spin_lock              spin_lock
108 #define can_spin_unlock            spin_unlock
109 #define can_spin_lock_irqsave      spin_lock_irqsave
110 #define can_spin_unlock_irqrestore spin_unlock_irqrestore
111 #define can_spin_lock_init         spin_lock_init
112
113 #if defined(CONFIG_PREEMPT) || (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0))
114 #define can_preempt_disable        preempt_disable
115 #define can_preempt_enable         preempt_enable
116 #else /*CONFIG_PREEMPT*/
117 #define can_preempt_disable()      do { } while (0)
118 #define can_preempt_enable()       do { } while (0)
119 #endif /*CONFIG_PREEMPT*/
120
121 #define can_enable_irq             enable_irq
122 #define can_disable_irq            disable_irq
123
124 #define can_printk                 printk
125
126 #else /*CAN_WITH_RTL*/
127
128 #define can_spinlock_t             rtl_spinlock_t
129 #define can_spin_irqflags_t        rtl_irqstate_t
130 #define can_spin_lock              rtl_spin_lock
131 #define can_spin_unlock            rtl_spin_unlock
132 #define can_spin_lock_irqsave      rtl_spin_lock_irqsave
133 #define can_spin_unlock_irqrestore rtl_spin_unlock_irqrestore
134 #define can_spin_lock_init         rtl_spin_lock_init
135
136 #define can_preempt_disable()      do { } while (0)
137 #define can_preempt_enable()       do { } while (0)
138
139 #define can_enable_irq             rtl_hard_enable_irq
140 #define can_disable_irq            rtl_hard_disable_irq
141
142 #define can_printk                 rtl_printf
143
144 /*
145  * terrible hack to test rtl_file private_data concept, ugh !!!
146  * this would result in crash on architectures,  where 
147  * sizeof(int) < sizeof(void *)
148  */
149 #define can_set_rtl_file_private_data(fptr, p) do{ fptr->f_minor=(long)(p); } while(0)
150 #define can_get_rtl_file_private_data(fptr) ((void*)((fptr)->f_minor))
151
152 #endif /*CAN_WITH_RTL*/
153
154 #endif /*_CAN_SYSDEP_H*/