mirror of
https://github.com/FEX-Emu/linux.git
synced 2024-11-28 18:11:24 +00:00
e3ca5e762c
This patch contains the following possible cleanips: - make some needlessly global code static - remove the compiled but completely unused debug.c - remove or #if 0 the following unused global functions: - command.c: loopback - command.c: loadproc - init.c: irq_supported - packet.c: print_skb - shmem.c: memset_shmem - timer.c: trace_timer Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
146 lines
3.9 KiB
C
146 lines
3.9 KiB
C
/* $Id: shmem.c,v 1.2.10.1 2001/09/23 22:24:59 kai Exp $
|
|
*
|
|
* Copyright (C) 1996 SpellCaster Telecommunications Inc.
|
|
*
|
|
* Card functions implementing ISDN4Linux functionality
|
|
*
|
|
* This software may be used and distributed according to the terms
|
|
* of the GNU General Public License, incorporated herein by reference.
|
|
*
|
|
* For more information, please contact gpl-info@spellcast.com or write:
|
|
*
|
|
* SpellCaster Telecommunications Inc.
|
|
* 5621 Finch Avenue East, Unit #3
|
|
* Scarborough, Ontario Canada
|
|
* M1B 2T9
|
|
* +1 (416) 297-8565
|
|
* +1 (416) 297-6433 Facsimile
|
|
*/
|
|
|
|
#include "includes.h" /* This must be first */
|
|
#include "hardware.h"
|
|
#include "card.h"
|
|
|
|
/*
|
|
* Main adapter array
|
|
*/
|
|
extern board *sc_adapter[];
|
|
extern int cinst;
|
|
|
|
/*
|
|
*
|
|
*/
|
|
void memcpy_toshmem(int card, void *dest, const void *src, size_t n)
|
|
{
|
|
unsigned long flags;
|
|
unsigned char ch;
|
|
|
|
if(!IS_VALID_CARD(card)) {
|
|
pr_debug("Invalid param: %d is not a valid card id\n", card);
|
|
return;
|
|
}
|
|
|
|
if(n > SRAM_PAGESIZE) {
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* determine the page to load from the address
|
|
*/
|
|
ch = (unsigned long) dest / SRAM_PAGESIZE;
|
|
pr_debug("%s: loaded page %d\n", sc_adapter[card]->devicename,ch);
|
|
/*
|
|
* Block interrupts and load the page
|
|
*/
|
|
spin_lock_irqsave(&sc_adapter[card]->lock, flags);
|
|
|
|
outb(((sc_adapter[card]->shmem_magic + ch * SRAM_PAGESIZE) >> 14) | 0x80,
|
|
sc_adapter[card]->ioport[sc_adapter[card]->shmem_pgport]);
|
|
memcpy_toio(sc_adapter[card]->rambase +
|
|
((unsigned long) dest % 0x4000), src, n);
|
|
spin_unlock_irqrestore(&sc_adapter[card]->lock, flags);
|
|
pr_debug("%s: set page to %#x\n",sc_adapter[card]->devicename,
|
|
((sc_adapter[card]->shmem_magic + ch * SRAM_PAGESIZE)>>14)|0x80);
|
|
pr_debug("%s: copying %d bytes from %#x to %#x\n",
|
|
sc_adapter[card]->devicename, n,
|
|
(unsigned long) src,
|
|
sc_adapter[card]->rambase + ((unsigned long) dest %0x4000));
|
|
}
|
|
|
|
/*
|
|
* Reverse of above
|
|
*/
|
|
void memcpy_fromshmem(int card, void *dest, const void *src, size_t n)
|
|
{
|
|
unsigned long flags;
|
|
unsigned char ch;
|
|
|
|
if(!IS_VALID_CARD(card)) {
|
|
pr_debug("Invalid param: %d is not a valid card id\n", card);
|
|
return;
|
|
}
|
|
|
|
if(n > SRAM_PAGESIZE) {
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* determine the page to load from the address
|
|
*/
|
|
ch = (unsigned long) src / SRAM_PAGESIZE;
|
|
pr_debug("%s: loaded page %d\n", sc_adapter[card]->devicename,ch);
|
|
|
|
|
|
/*
|
|
* Block interrupts and load the page
|
|
*/
|
|
spin_lock_irqsave(&sc_adapter[card]->lock, flags);
|
|
|
|
outb(((sc_adapter[card]->shmem_magic + ch * SRAM_PAGESIZE) >> 14) | 0x80,
|
|
sc_adapter[card]->ioport[sc_adapter[card]->shmem_pgport]);
|
|
memcpy_fromio(dest,(void *)(sc_adapter[card]->rambase +
|
|
((unsigned long) src % 0x4000)), n);
|
|
spin_unlock_irqrestore(&sc_adapter[card]->lock, flags);
|
|
pr_debug("%s: set page to %#x\n",sc_adapter[card]->devicename,
|
|
((sc_adapter[card]->shmem_magic + ch * SRAM_PAGESIZE)>>14)|0x80);
|
|
/* pr_debug("%s: copying %d bytes from %#x to %#x\n",
|
|
sc_adapter[card]->devicename, n,
|
|
sc_adapter[card]->rambase + ((unsigned long) src %0x4000), (unsigned long) dest); */
|
|
}
|
|
|
|
#if 0
|
|
void memset_shmem(int card, void *dest, int c, size_t n)
|
|
{
|
|
unsigned long flags;
|
|
unsigned char ch;
|
|
|
|
if(!IS_VALID_CARD(card)) {
|
|
pr_debug("Invalid param: %d is not a valid card id\n", card);
|
|
return;
|
|
}
|
|
|
|
if(n > SRAM_PAGESIZE) {
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* determine the page to load from the address
|
|
*/
|
|
ch = (unsigned long) dest / SRAM_PAGESIZE;
|
|
pr_debug("%s: loaded page %d\n",sc_adapter[card]->devicename,ch);
|
|
|
|
/*
|
|
* Block interrupts and load the page
|
|
*/
|
|
spin_lock_irqsave(&sc_adapter[card]->lock, flags);
|
|
|
|
outb(((sc_adapter[card]->shmem_magic + ch * SRAM_PAGESIZE) >> 14) | 0x80,
|
|
sc_adapter[card]->ioport[sc_adapter[card]->shmem_pgport]);
|
|
memset_io(sc_adapter[card]->rambase +
|
|
((unsigned long) dest % 0x4000), c, n);
|
|
pr_debug("%s: set page to %#x\n",sc_adapter[card]->devicename,
|
|
((sc_adapter[card]->shmem_magic + ch * SRAM_PAGESIZE)>>14)|0x80);
|
|
spin_unlock_irqrestore(&sc_adapter[card]->lock, flags);
|
|
}
|
|
#endif /* 0 */
|