diff options
Diffstat (limited to 'drivers/isdn/sc/shmem.c')
| -rw-r--r-- | drivers/isdn/sc/shmem.c | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/drivers/isdn/sc/shmem.c b/drivers/isdn/sc/shmem.c deleted file mode 100644 index d24506ceb6e8..000000000000 --- a/drivers/isdn/sc/shmem.c +++ /dev/null @@ -1,138 +0,0 @@ -/* $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" - -/* - * - */ -void memcpy_toshmem(int card, void *dest, const void *src, size_t n) -{ - unsigned long flags; - unsigned char ch; - unsigned long dest_rem = ((unsigned long) dest) % 0x4000; - - 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((void __iomem *)(sc_adapter[card]->rambase + dest_rem), 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 %zu bytes from %#lx to %#lx\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 */ |