diff options
Diffstat (limited to 'osdep/vbelib.c')
-rw-r--r-- | osdep/vbelib.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/osdep/vbelib.c b/osdep/vbelib.c index 356a0e3ac3..5ca5b3c59b 100644 --- a/osdep/vbelib.c +++ b/osdep/vbelib.c @@ -6,6 +6,7 @@ You can redistribute this file under terms and conditions of GNU General Public licence v2. Written by Nick Kurshev <nickols_k@mail.ru> + Neomagic TV out support by Rudolf Marek <r.marek et sh.cvut.cz> */ #include <../config.h> @@ -336,6 +337,46 @@ int vbeGetModeInfo(unsigned mode,struct VesaModeInfoBlock *data) return retval; } + +int vbeSetTV(unsigned int vesa_mode,unsigned int TV_mode) { + +#define NR_MODES 8 + +unsigned int mode_table[NR_MODES] = + {0x101,0x103,0x111,0x114,0x120,0x121,0x122,0x123}; +unsigned int tv_table[][NR_MODES] = { + {0x201,0x202,0x211,0x212,0x221,0x231,0x222,0x232}, + {0x200,0x203,0x210,0x213,0x220,0x230,0xFFFF,0xFFFF}}; + +/* + +Alternate mode map. If modes like 320x240 and 400x300 does not work, but +640x480 and 800x600 work, then try to replace above two lines with this +lines and write email to me if it works. +r.marek et sh.cvut.cz + + {0x201,0x202,0x211,0x212,0x222,0x223,0x224,0x225}, + {0x200,0x203,0x210,0x213,0x220,0x221,0xFFFF,0xFFFF}}; + +*/ + int i,retval; + struct LRMI_regs r; + + memset(&r,0,sizeof(struct LRMI_regs)); + for (i=0;((mode_table[i]!=(vesa_mode&0x3FF))&&(i<NR_MODES));i++) ; + + if (i==NR_MODES) return 0; + if(verbose > 1) printf("vbelib: Trying to set TV mode %x\n",tv_table[TV_mode][i]); + r.eax = 0x4f14; + r.ebx = 0x20; + r.edx = 0; + r.edi = 0; + r.ecx = tv_table[TV_mode][i]; + retval = VBE_LRMI_int(0x10,&r); + if(!retval) return VBE_VM86_FAIL; + return r.eax & 0xffff; + +} int vbeSetMode(unsigned mode,struct VesaCRTCInfoBlock *data) { struct LRMI_regs r; |