/* $Id: platform.h,v 1.37.4.6 2005/01/31 12:22:20 armin Exp $
 *
 * platform.h
 *
 *
 * Copyright 2000-2003  by Armin Schindler (mac@melware.de)
 * Copyright 2000  Eicon Networks
 *
 * This software may be used and distributed according to the terms
 * of the GNU General Public License, incorporated herein by reference.
 */


#ifndef	__PLATFORM_H__
#define	__PLATFORM_H__

#if !defined(DIVA_BUILD)
#define DIVA_BUILD "local"
#endif

#include <linux/module.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/skbuff.h>
#include <linux/vmalloc.h>
#include <linux/proc_fs.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/list.h>
#include <asm/types.h>
#include <asm/io.h>

#include "cardtype.h"

/* activate debuglib for modules only */
#ifndef MODULE
#define DIVA_NO_DEBUGLIB
#endif

#define DIVA_USER_MODE_CARD_CONFIG 1
#define	USE_EXTENDED_DEBUGS 1

#define MAX_ADAPTER     32

#define DIVA_ISTREAM 1

#define MEMORY_SPACE_TYPE  0
#define PORT_SPACE_TYPE    1


#include <linux/string.h>

#ifndef	byte
#define	byte   u8
#endif

#ifndef	word
#define	word   u16
#endif

#ifndef	dword
#define	dword  u32
#endif

#ifndef	qword
#define	qword  u64
#endif

#ifndef	NULL
#define	NULL	((void *) 0)
#endif

#ifndef	far
#define far
#endif

#ifndef	_pascal
#define _pascal
#endif

#ifndef	_loadds
#define _loadds
#endif

#ifndef	_cdecl
#define _cdecl
#endif

#define MEM_TYPE_RAM		0
#define MEM_TYPE_PORT		1
#define MEM_TYPE_PROM		2
#define MEM_TYPE_CTLREG		3
#define MEM_TYPE_RESET		4
#define MEM_TYPE_CFG		5
#define MEM_TYPE_ADDRESS	6
#define MEM_TYPE_CONFIG		7
#define MEM_TYPE_CONTROL	8

#define MAX_MEM_TYPE		10

#define DIVA_OS_MEM_ATTACH_RAM(a)	((a)->ram)
#define DIVA_OS_MEM_ATTACH_PORT(a)	((a)->port)
#define DIVA_OS_MEM_ATTACH_PROM(a)	((a)->prom)
#define DIVA_OS_MEM_ATTACH_CTLREG(a)	((a)->ctlReg)
#define DIVA_OS_MEM_ATTACH_RESET(a)	((a)->reset)
#define DIVA_OS_MEM_ATTACH_CFG(a)	((a)->cfg)
#define DIVA_OS_MEM_ATTACH_ADDRESS(a)	((a)->Address)
#define DIVA_OS_MEM_ATTACH_CONFIG(a)	((a)->Config)
#define DIVA_OS_MEM_ATTACH_CONTROL(a)	((a)->Control)

#define DIVA_OS_MEM_DETACH_RAM(a, x)	do { } while (0)
#define DIVA_OS_MEM_DETACH_PORT(a, x)	do { } while (0)
#define DIVA_OS_MEM_DETACH_PROM(a, x)	do { } while (0)
#define DIVA_OS_MEM_DETACH_CTLREG(a, x)	do { } while (0)
#define DIVA_OS_MEM_DETACH_RESET(a, x)	do { } while (0)
#define DIVA_OS_MEM_DETACH_CFG(a, x)	do { } while (0)
#define DIVA_OS_MEM_DETACH_ADDRESS(a, x)	do { } while (0)
#define DIVA_OS_MEM_DETACH_CONFIG(a, x)	do { } while (0)
#define DIVA_OS_MEM_DETACH_CONTROL(a, x)	do { } while (0)

#define DIVA_INVALID_FILE_HANDLE  ((dword)(-1))

#define DIVAS_CONTAINING_RECORD(address, type, field)			\
	((type *)((char *)(address) - (char *)(&((type *)0)->field)))

extern int sprintf(char *, const char *, ...);

typedef void *LIST_ENTRY;

typedef char DEVICE_NAME[64];
typedef struct _ISDN_ADAPTER ISDN_ADAPTER;
typedef struct _ISDN_ADAPTER *PISDN_ADAPTER;

typedef void (*DIVA_DI_PRINTF)(unsigned char *, ...);
#include "debuglib.h"

#define dtrc(p) DBG_PRV0(p)
#define dbug(a, p) DBG_PRV1(p)


typedef struct e_info_s E_INFO;

typedef char diva_os_dependent_devica_name_t[64];
typedef void *PDEVICE_OBJECT;

struct _diva_os_soft_isr;
struct _diva_os_timer;
struct _ISDN_ADAPTER;

void diva_log_info(unsigned char *, ...);

/*
**  XDI DIDD Interface
*/
void diva_xdi_didd_register_adapter(int card);
void diva_xdi_didd_remove_adapter(int card);

/*
** memory allocation
*/
static __inline__ void *diva_os_malloc(unsigned long flags, unsigned long size)
{
	void *ret = NULL;

	if (size) {
		ret = (void *) vmalloc((unsigned int) size);
	}
	return (ret);
}
static __inline__ void diva_os_free(unsigned long flags, void *ptr)
{
	vfree(ptr);
}

/*
** use skbuffs for message buffer
*/
typedef struct sk_buff diva_os_message_buffer_s;
diva_os_message_buffer_s *diva_os_alloc_message_buffer(unsigned long size, void **data_buf);
void diva_os_free_message_buffer(diva_os_message_buffer_s *dmb);
#define DIVA_MESSAGE_BUFFER_LEN(x) x->len
#define DIVA_MESSAGE_BUFFER_DATA(x) x->data

/*
** mSeconds waiting
*/
static __inline__ void diva_os_sleep(dword mSec)
{
	msleep(mSec);
}
static __inline__ void diva_os_wait(dword mSec)
{
	mdelay(mSec);
}

/*
**  PCI Configuration space access
*/
void PCIwrite(byte bus, byte func, int offset, void *data, int length, void *pci_dev_handle);
void PCIread(byte bus, byte func, int offset, void *data, int length, void *pci_dev_handle);

/*
**  I/O Port utilities
*/
int diva_os_register_io_port(void *adapter, int reg, unsigned long port,
			     unsigned long length, const char *name, int id);
/*
**  I/O port access abstraction
*/
byte inpp(void __iomem *);
word inppw(void __iomem *);
void inppw_buffer(void __iomem *, void *, int);
void outppw(void __iomem *, word);
void outppw_buffer(void __iomem * , void*, int);
void outpp(void __iomem *, word);

/*
**  IRQ
*/
typedef struct _diva_os_adapter_irq_info {
	byte irq_nr;
	int  registered;
	char irq_name[24];
} diva_os_adapter_irq_info_t;
int diva_os_register_irq(void *context, byte irq, const char *name);
void diva_os_remove_irq(void *context, byte irq);

#define diva_os_in_irq() in_irq()

/*
**  Spin Lock framework
*/
typedef long diva_os_spin_lock_magic_t;
typedef spinlock_t diva_os_spin_lock_t;
static __inline__ int diva_os_initialize_spin_lock(spinlock_t *lock, void *unused) { \
	spin_lock_init(lock); return (0); }
static __inline__ void diva_os_enter_spin_lock(diva_os_spin_lock_t *a, \
					       diva_os_spin_lock_magic_t *old_irql, \
					       void *dbg) { spin_lock_bh(a); }
static __inline__ void diva_os_leave_spin_lock(diva_os_spin_lock_t *a, \
					       diva_os_spin_lock_magic_t *old_irql, \
					       void *dbg) { spin_unlock_bh(a); }

#define diva_os_destroy_spin_lock(a, b) do { } while (0)

/*
**  Deffered processing framework
*/
typedef int (*diva_os_isr_callback_t)(struct _ISDN_ADAPTER *);
typedef void (*diva_os_soft_isr_callback_t)(struct _diva_os_soft_isr *psoft_isr, void *context);

typedef struct _diva_os_soft_isr {
	void *object;
	diva_os_soft_isr_callback_t callback;
	void *callback_context;
	char dpc_thread_name[24];
} diva_os_soft_isr_t;

int diva_os_initialize_soft_isr(diva_os_soft_isr_t *psoft_isr, diva_os_soft_isr_callback_t callback, void *callback_context);
int diva_os_schedule_soft_isr(diva_os_soft_isr_t *psoft_isr);
int diva_os_cancel_soft_isr(diva_os_soft_isr_t *psoft_isr);
void diva_os_remove_soft_isr(diva_os_soft_isr_t *psoft_isr);

/*
  Get time service
*/
void diva_os_get_time(dword *sec, dword *usec);

/*
**  atomic operation, fake because we use threads
*/
typedef int diva_os_atomic_t;
static inline diva_os_atomic_t
diva_os_atomic_increment(diva_os_atomic_t *pv)
{
	*pv += 1;
	return (*pv);
}
static inline diva_os_atomic_t
diva_os_atomic_decrement(diva_os_atomic_t *pv)
{
	*pv -= 1;
	return (*pv);
}

/*
**  CAPI SECTION
*/
#define NO_CORNETN
#define IMPLEMENT_DTMF 1
#define IMPLEMENT_ECHO_CANCELLER 1
#define IMPLEMENT_RTP 1
#define IMPLEMENT_T38 1
#define IMPLEMENT_FAX_SUB_SEP_PWD 1
#define IMPLEMENT_V18 1
#define IMPLEMENT_DTMF_TONE 1
#define IMPLEMENT_PIAFS 1
#define IMPLEMENT_FAX_PAPER_FORMATS 1
#define IMPLEMENT_VOWN 1
#define IMPLEMENT_CAPIDTMF 1
#define IMPLEMENT_FAX_NONSTANDARD 1
#define VSWITCH_SUPPORT 1

#define IMPLEMENT_MARKED_OK_AFTER_FC 1

#define DIVA_IDI_RX_DMA 1

/*
** endian macros
**
** If only...  In some cases we did use them for endianness conversion;
** unfortunately, other uses were real iomem accesses.
*/
#define READ_BYTE(addr)   readb(addr)
#define READ_WORD(addr)   readw(addr)
#define READ_DWORD(addr)  readl(addr)

#define WRITE_BYTE(addr, v)  writeb(v, addr)
#define WRITE_WORD(addr, v)  writew(v, addr)
#define WRITE_DWORD(addr, v) writel(v, addr)

static inline __u16 GET_WORD(void *addr)
{
	return le16_to_cpu(*(__le16 *)addr);
}
static inline __u32 GET_DWORD(void *addr)
{
	return le32_to_cpu(*(__le32 *)addr);
}
static inline void PUT_WORD(void *addr, __u16 v)
{
	*(__le16 *)addr = cpu_to_le16(v);
}
static inline void PUT_DWORD(void *addr, __u32 v)
{
	*(__le32 *)addr = cpu_to_le32(v);
}

/*
** 32/64 bit macors
*/
#ifdef BITS_PER_LONG
#if BITS_PER_LONG > 32
#define PLATFORM_GT_32BIT
#define ULongToPtr(x) (void *)(unsigned long)(x)
#endif
#endif

/*
** undef os definitions of macros we use
*/
#undef ID_MASK
#undef N_DATA
#undef ADDR

/*
** dump file
*/
#define diva_os_dump_file_t char
#define diva_os_board_trace_t char
#define diva_os_dump_file(__x__) do { } while (0)

/*
** size of internal arrays
*/
#define MAX_DESCRIPTORS 64

#endif	/* __PLATFORM_H__ */