TGA_READ_REG
par->tga_chip_rev = TGA_READ_REG(par, TGA_START_REG) & 0xff;
while (TGA_READ_REG(par, TGA_CMD_STAT_REG) & 1) /* wait for not busy */
while (TGA_READ_REG(par, TGA_CMD_STAT_REG) & 1) /* wait for not busy */
while (!(TGA_READ_REG(par, TGA_INTR_STAT_REG) & 0x01))
while (!(TGA_READ_REG(par, TGA_INTR_STAT_REG) & 0x01))
vhcr = TGA_READ_REG(par, TGA_HORIZ_REG);
vvcr = TGA_READ_REG(par, TGA_VERT_REG);
vvvr = TGA_READ_REG(par, TGA_VALID_REG);