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more Radeon work.

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Get PLL info from BIOS emulator
This commit is contained in:
Markus Fröschle
2016-11-13 20:23:06 +00:00
parent 0ed03ee328
commit a9eaad9242
13 changed files with 150 additions and 139 deletions
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75
video/offscreen.c
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@@ -15,7 +15,8 @@
#include "bas_string.h"
#include "fb.h"
#undef DEBUG
#define DEBUG
#include "debug.h"
/* MD - Memory Descriptor */
@@ -183,13 +184,9 @@ long offscreen_free(struct fb_info *info, long addr)
{
MD *p,**q;
MPB *mpb;
#ifdef DEBUG
char buf[10];
Funcs_puts("radeon_offscreen_free(0x");
Funcs_ltoa(buf, addr, 16);
Funcs_puts(buf);
Funcs_puts("\r\n");
#endif
dbg("%p\r\n", addr);
//*vblsem = 0;
mpb = &pmd;
for (p = *(q = &mpb->mp_mal); p; p = *(q = &p->m_link))
@@ -212,41 +209,27 @@ long offscreen_alloc(struct fb_info *info, long amount)
{
long ret;
MD *m;
#ifdef DEBUG
char buf[10];
Funcs_puts("radeon_offscreen_alloc(0x");
Funcs_ltoa(buf, amount, 16);
Funcs_puts(buf);
Funcs_puts(") = 0x");
#endif
// *vblsem = 0;
if(amount == -1L)
if (amount == -1L)
{
ret = (long)ffit(-1L,&pmd);
ret = (long) ffit(-1L, &pmd);
// *vblsem = 1;
return(ret);
return ret;
}
if(amount <= 0 )
if (amount <= 0 )
{
// *vblsem = 1;
return(0);
}
if((amount & 1))
if ((amount & 1))
amount++;
m = ffit(amount,&pmd);
if(m == NULL)
m = ffit(amount, &pmd);
if (m == NULL)
{
#ifdef DEBUG
Funcs_puts("0\r\n");
#endif
// *vblsem = 1;
return(0);
}
#ifdef DEBUG
Funcs_ltoa(buf, m->m_start, 16);
Funcs_puts(buf);
Funcs_puts("\r\n");
#endif
ret = (long)m->m_start;
// *vblsem = 1;
return(ret);
@@ -259,36 +242,28 @@ long offscren_reserved(struct fb_info *info)
void offscreen_init(struct fb_info *info)
{
#ifdef DEBUG
char buf[10];
#endif
long size_screen, max_offscreen_size;
long size_screen;
long max_offscreen_size;
wrap = (long) info->var.xres_virtual * (long)(info->var.bits_per_pixel / 8);
size_screen = (long)info->var.yres_virtual * wrap;
if(!size_screen)
if (!size_screen)
size_screen = (long)info->screen_size;
pmd.mp_mfl = pmd.mp_rover = &tab_md[0];
tab_md[0].m_link = (MD *)NULL;
tab_md[0].m_start = (long)((unsigned long)info->ram_base + (unsigned long)size_screen);
tab_md[0].m_length = (long)info->ram_size - size_screen;
tab_md[0].m_own = (void *)1L;
max_offscreen_size = ((long)info->var.xres_virtual * 8192L * (long)(info->var.bits_per_pixel / 8)) - size_screen;
if(max_offscreen_size < 0)
if (max_offscreen_size < 0)
max_offscreen_size = 0;
if(tab_md[0].m_length > max_offscreen_size)
if (tab_md[0].m_length > max_offscreen_size)
tab_md[0].m_length = max_offscreen_size;
#ifdef DEBUG
Funcs_puts("offscreen_init start 0x");
Funcs_ltoa(buf, tab_md[0].m_start, 16);
Funcs_puts(buf);
Funcs_puts(", length 0x");
Funcs_ltoa(buf, tab_md[0].m_length, 16);
Funcs_puts(buf);
Funcs_puts(", ram_size 0x");
Funcs_ltoa(buf, (long)info->ram_size, 16);
Funcs_puts(buf);
Funcs_puts("\r\n");
#endif
dbg("offscreen_init start %p, length 0x%ld, ram size 0x%ld\r\n",
tab_md[0].m_start, tab_md[0].m_length, (long) info->ram_size);
pmd.mp_mal = (MD *)NULL;
}