TV-out pour CL-GD7548

updated: 28 oct 03

irq de l'armada

IRQ
4: serial rs232
3: irda infrarouge
5: audio
7: parport
14: ide
9,10,11: isa
9: eth0 NE2000
10:wifi

doc cirrus

gd7548hrm.pdf

infos diverses

mem A0000-AFFFF
mem B0000-BFFFF
i/o 03C0-03DF
mem 40000000-40FFFFFF
mem 41000000-41FFFFFF
mem C0000-CFFFF (ou C0000-CBFFF?) cirruslogic VGA BIOS

CL: vendor id: 0x1013
    device id: 0x0038

ntsc/pal est limité aux modes 1h, 3h, 12h, 13h, 5Fh, 64h
(driver windows spécial pour mode 5Fh)

cr30 tvout control register (page 363)
cr30(3) tvout enable
cr30(2) 0 : pal

sr25 timer sooftware reset & hardware conf (p. 277)
sr25(6) : external ramdac address/chip select


page 132,133 :
1h  txt
3h  txt
12h 640x480 16c
13h 320x200 256c
5Fh 640x480 256c
64h 640x480 64kc  <--- (vesa 111h)
--
65h 800x600 64kc (vesa mode 114h)

drivers: clmode & pci.regs

links