139 lines
4.9 KiB
C
139 lines
4.9 KiB
C
#include "common.h"
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#include <ddekit/panic.h>
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#include <ddekit/resources.h>
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#include <ddekit/pgtab.h>
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#include <minix/vm.h>
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#ifdef DDEBUG_LEVEL_RESOURCE
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#undef DDEBUG
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#define DDEBUG DDEBUG_LEVEL_RESOURCE
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#endif
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#include "debug.h"
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#include "util.h"
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/****************************************************************************/
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/* ddekit_release_dma */
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/****************************************************************************/
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PUBLIC int ddekit_request_dma(int nr) {
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WARN_UNIMPL;
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/* do we stil use isa dma ? imho no.*/
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return -1;
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}
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/****************************************************************************/
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/* ddekit_request_dma */
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/****************************************************************************/
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PUBLIC int ddekit_release_dma(int nr) {
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WARN_UNIMPL;
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/* do we stil use isa dma ? imho no.*/
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return -1;
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}
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/*
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* In minix we don't need to explicitly request IO-ports, ...
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*/
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/****************************************************************************/
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/* ddekit_release/request_io */
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/****************************************************************************/
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PUBLIC int ddekit_request_io (ddekit_addr_t start, ddekit_addr_t count) {
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return 0;
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}
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PUBLIC int ddekit_release_io (ddekit_addr_t start, ddekit_addr_t count) {
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return 0;
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}
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/****************************************************************************/
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/* ddekit_request_mem */
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/****************************************************************************/
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PUBLIC int ddekit_request_mem
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(ddekit_addr_t start, ddekit_addr_t size, ddekit_addr_t *vaddr) {
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*vaddr = (ddekit_addr_t) vm_map_phys(SELF, (void *)start, size);
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DDEBUG_MSG_VERBOSE("start: %x, size: %d, virt: %x", start, size, *vaddr);
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if( *vaddr == (ddekit_addr_t) NULL) {
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ddekit_panic("unable to map IO memory from %p of size %d",
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start, size);
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}
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return (vaddr==NULL);
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}
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/****************************************************************************/
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/* ddekit_release_mem */
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/****************************************************************************/
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PUBLIC int ddekit_release_mem(ddekit_addr_t start, ddekit_addr_t size)
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{
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return vm_unmap_phys(SELF,(void *) start, size );
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}
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/****************************************************************************/
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/* ddekit_inb */
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/****************************************************************************/
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PUBLIC unsigned char ddekit_inb(ddekit_addr_t port) {
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u32_t ret;
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if (sys_inb(port, &ret)) {
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ddekit_panic("sys_inb failed.");
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}
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DDEBUG_MSG_VERBOSE("read port %x: %x", port, ret);
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return (char) ret;
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}
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/****************************************************************************/
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/* ddekit_inw */
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/****************************************************************************/
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PUBLIC unsigned short ddekit_inw(ddekit_addr_t port) {
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u32_t ret;
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if (sys_inw(port, &ret)) {
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ddekit_panic("sys_inw failed.");
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}
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DDEBUG_MSG_VERBOSE("read port %x: %x", port, ret);
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return (short) ret;
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}
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/****************************************************************************/
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/* ddekit_inl */
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/****************************************************************************/
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PUBLIC unsigned long ddekit_inl(ddekit_addr_t port){
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u32_t ret;
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if (sys_inl(port, &ret)) {
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ddekit_panic("sys_outl failed.");
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}
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DDEBUG_MSG_VERBOSE("read port %x: %x", port, ret);
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return ret;
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}
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/****************************************************************************/
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/* ddekit_outb */
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/****************************************************************************/
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PUBLIC void ddekit_outb(ddekit_addr_t port, unsigned char val) {
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if (sys_outb(port,val)) {
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ddekit_panic("sys_outb failed.");
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}
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DDEBUG_MSG_VERBOSE("write port %x: %x", port, val);
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}
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/****************************************************************************/
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/* ddekit_outw */
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/****************************************************************************/
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PUBLIC void ddekit_outw(ddekit_addr_t port, unsigned short val) {
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if (sys_outw(port,val)) {
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ddekit_panic("sys_outw failed.");
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}
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DDEBUG_MSG_VERBOSE("write port %x: %x", port, val);
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}
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/****************************************************************************/
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/* ddekit_outl */
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/****************************************************************************/
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PUBLIC void ddekit_outl(ddekit_addr_t port, unsigned long val) {
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if (sys_outl(port,val)) {
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ddekit_panic("sys_outl failed.");
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}
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DDEBUG_MSG_VERBOSE("write port %x: %x", port, val);
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}
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