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IO space is memory mapped (no in(out)port required)

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@4013 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
nick 2002-01-06 17:10:27 +00:00
parent d35b5e9752
commit 9764478ac5
1 changed files with 13 additions and 6 deletions
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19
vidix/drivers/radeon_vid.c
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@ -198,10 +198,13 @@ static void * radeon_mem_base = 0;
static int32_t radeon_overlay_off = 0;
static uint32_t radeon_ram_size = 0;
#define INREG8(addr) INPORT8((uint32_t)(radeon_mmio_base)+addr)
#define OUTREG8(addr,val) OUTPORT8((uint32_t)(radeon_mmio_base)+addr,val)
#define INREG(addr) INPORT((uint32_t)(radeon_mmio_base)+addr)
#define OUTREG(addr,val) OUTPORT((uint32_t)(radeon_mmio_base)+addr,val)
#define GETREG(TYPE,PTR,OFFZ) (*((volatile TYPE*)((PTR)+(OFFZ))))
#define SETREG(TYPE,PTR,OFFZ,VAL) (*((volatile TYPE*)((PTR)+(OFFZ))))=VAL
#define INREG8(addr) GETREG(uint8_t,(uint32_t)(radeon_mmio_base),addr)
#define OUTREG8(addr,val) SETREG(uint8_t,(uint32_t)(radeon_mmio_base),addr,val)
#define INREG(addr) GETREG(uint32_t,(uint32_t)(radeon_mmio_base),addr)
#define OUTREG(addr,val) SETREG(uint32_t,(uint32_t)(radeon_mmio_base),addr,val)
#define OUTREGP(addr,val,mask) \
do { \
unsigned int _tmp = INREG(addr); \
@ -660,8 +663,12 @@ int vixProbe( int verbose )
int vixInit( void )
{
if(!probed) return EINTR;
if((radeon_mmio_base = map_phys_mem(pci_info.base2,0x7FFF))==(void *)-1) return ENOMEM;
if(!probed)
{
printf(RADEON_MSG" Driver was not probed but is being initializing\n");
return EINTR;
}
if((radeon_mmio_base = map_phys_mem(pci_info.base2,0xFFFF))==(void *)-1) return ENOMEM;
radeon_ram_size = INREG(CONFIG_MEMSIZE);
/* mem size is bits [28:0], mask off the rest. Range: from 1Mb up to 512 Mb */
radeon_ram_size &= CONFIG_MEMSIZE_MASK;