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Replace some homegrown functions with better/correct ones.

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This commit is contained in:
Jung-uk Kim 2010-02-05 18:00:24 +00:00
parent 2622a559a7
commit f801fa102d
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=203530
1 changed files with 7 additions and 46 deletions
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53
sys/dev/fb/vesa.c
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@ -199,25 +199,11 @@ static int vesa_translate_flags(u_int16_t vflags);
static int vesa_translate_mmodel(u_int8_t vmodel);
static int vesa_bios_init(void);
static void vesa_clear_modes(video_info_t *info, int color);
static vm_offset_t vesa_map_buffer(u_int paddr, size_t size);
static void vesa_unmap_buffer(vm_offset_t vaddr, size_t size);
#if 0
static int vesa_get_origin(video_adapter_t *adp, off_t *offset);
#endif
static void
dump_buffer(u_char *buf, size_t len)
{
int i;
for(i = 0; i < len;) {
printf("%02x ", buf[i]);
if ((++i % 16) == 0)
printf("\n");
}
}
/* INT 10 BIOS calls */
static int
int10_set_mode(int mode)
@ -788,7 +774,7 @@ vesa_bios_init(void)
vesa_adp_info = &buf;
if (bootverbose) {
printf("VESA: information block\n");
dump_buffer((u_char *)&buf, sizeof(buf));
hexdump(&buf, sizeof(buf), NULL, HD_OMIT_CHARS);
}
vers = buf.v_version = le16toh(buf.v_version);
@ -1032,31 +1018,6 @@ vesa_clear_modes(video_info_t *info, int color)
}
}
static vm_offset_t
vesa_map_buffer(u_int paddr, size_t size)
{
vm_offset_t vaddr;
u_int off;
off = paddr - trunc_page(paddr);
vaddr = (vm_offset_t)pmap_mapdev_attr(paddr - off, size + off,
PAT_WRITE_COMBINING);
#if VESA_DEBUG > 1
printf("vesa_map_buffer: paddr:%x vaddr:%tx size:%zx off:%x\n",
paddr, vaddr, size, off);
#endif
return (vaddr + off);
}
static void
vesa_unmap_buffer(vm_offset_t vaddr, size_t size)
{
#if VESA_DEBUG > 1
printf("vesa_unmap_buffer: vaddr:%tx size:%zx\n", vaddr, size);
#endif
kmem_free(kernel_map, vaddr, size);
}
/* entry points */
static int
@ -1246,8 +1207,8 @@ vesa_set_mode(video_adapter_t *adp, int mode)
(*prevvidsw->get_info)(adp, mode, &info) == 0) {
int10_set_mode(adp->va_initial_bios_mode);
if (adp->va_info.vi_flags & V_INFO_LINEAR)
vesa_unmap_buffer(adp->va_buffer,
vesa_adp_info->v_memsize*64*1024);
pmap_unmapdev(adp->va_buffer,
vesa_adp_info->v_memsize * 64 * 1024);
/*
* Once (*prevvidsw->get_info)() succeeded,
* (*prevvidsw->set_mode)() below won't fail...
@ -1278,8 +1239,8 @@ vesa_set_mode(video_adapter_t *adp, int mode)
vesa_bios_set_dac(8);
if (adp->va_info.vi_flags & V_INFO_LINEAR)
vesa_unmap_buffer(adp->va_buffer,
vesa_adp_info->v_memsize*64*1024);
pmap_unmapdev(adp->va_buffer,
vesa_adp_info->v_memsize * 64 * 1024);
#if VESA_DEBUG > 0
printf("VESA: mode set!\n");
@ -1295,8 +1256,8 @@ vesa_set_mode(video_adapter_t *adp, int mode)
printf("VESA: setting up LFB\n");
#endif
vesa_adp->va_buffer =
vesa_map_buffer(info.vi_buffer,
vesa_adp_info->v_memsize*64*1024);
(vm_offset_t)pmap_mapdev_attr(info.vi_buffer,
vesa_adp_info->v_memsize * 64 * 1024, PAT_WRITE_COMBINING);
vesa_adp->va_buffer_size = info.vi_buffer_size;
vesa_adp->va_window = vesa_adp->va_buffer;
vesa_adp->va_window_size = info.vi_buffer_size/info.vi_planes;