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package fsp
import "../../platforms/common"
type FieldMacros struct {}
// field - data structure for creating a new bitfield macro object
// configmap : map to select the current configuration
// value : the key value in the configmap
// override : overrides the function to generate the current bitfield macro
type field struct {
configmap map[uint8]string
value uint8
override func(configuration map[uint8]string, value uint8)
}
// generate - wrapper for generating bitfield macros string
// fields : field structure
func generate(fields ...*field) {
macro := common.GetMacro()
for _, field := range fields {
if field.override != nil {
// override if necessary
field.override(field.configmap, field.value)
continue
}
fieldmacro, valid := field.configmap[field.value]
if valid {
macro.Add(fieldmacro).Add(", ")
} else {
macro.Add("INVALID, ")
}
}
}
// DecodeDW0 - decode value of DW0 register
func (FieldMacros) DecodeDW0() {
macro := common.GetMacro()
dw0 := macro.Register(common.PAD_CFG_DW0)
ownershipStatus := func() uint8 {
if macro.IsOwnershipDriver() { return 1 }
return 0
}
generate(
&field {
configmap : map[uint8]string{
0: "GpioPadModeGpio",
1: "GpioPadModeNative1",
2: "GpioPadModeNative2",
3: "GpioPadModeNative3",
4: "GpioPadModeNative4",
5: "GpioPadModeNative5",
},
value : dw0.GetPadMode(),
},
&field {
configmap : map[uint8]string {
0: "GpioHostOwnAcpi",
1: "GpioHostOwnGpio",
},
value : ownershipStatus(),
},
&field {
configmap : map[uint8]string {
0: "GpioDirInOut",
1: "GpioDirIn",
2: "GpioDirOut",
3: "GpioDirNone",
1 << 4 | 0: "GpioDirInInvOut",
1 << 4 | 1: "GpioDirInInv",
},
value : dw0.GetRxInvert() << 4 | dw0.GetGPIORxTxDisableStatus(),
},
&field {
configmap : map[uint8]string {
0: "GpioOutLow",
1: "GpioOutHigh",
},
value : dw0.GetGPIOTXState(),
},
&field {
configmap : map[uint8]string {
1 << 0: "GpioIntNmi",
1 << 1: "GpioIntSmi",
1 << 2: "GpioIntSci",
1 << 3: "GpioIntApic",
},
override : func(configmap map[uint8]string, value uint8) {
mask := dw0.GetGPIOInputRouteIOxAPIC() << 3 |
dw0.GetGPIOInputRouteSCI() << 2 |
dw0.GetGPIOInputRouteSMI() << 1 |
dw0.GetGPIOInputRouteNMI()
if mask == 0 {
macro.Add("GpioIntDis | ")
return
}
for bit, fieldmacro := range configmap {
if mask & bit != 0 {
macro.Add(fieldmacro).Add(" | ")
}
}
},
},
&field {
configmap : map[uint8]string {
0: "GpioIntLevel",
1: "GpioIntEdge",
2: "GpioIntLvlEdgDis",
3: "GpioIntBothEdge",
},
value : dw0.GetRXLevelEdgeConfiguration(),
},
&field {
configmap : map[uint8]string {
0: "GpioResetPwrGood", // TODO: Has multiple values (to GPP and GPD)
1: "GpioHostDeepReset",
2: "GpioPlatformReset",
3: "GpioResumeReset",
},
value : dw0.GetResetConfig(),
},
)
}
// DecodeDW1 - decode value of DW1 register
func (FieldMacros) DecodeDW1() {
macro := common.GetMacro()
dw1 := macro.Register(common.PAD_CFG_DW1)
generate(
&field {
override : func(configmap map[uint8]string, value uint8) {
if dw1.GetPadTol() != 0 {
macro.Add("GpioTolerance1v8 | ")
}
},
},
&field {
configmap : map[uint8]string {
0x0: "GpioTermNone",
0x2: "GpioTermWpd5K",
0x4: "GpioTermWpd20K",
0x9: "GpioTermWpu1K",
0xa: "GpioTermWpu5K",
0xb: "GpioTermWpu2K",
0xc: "GpioTermWpu20K",
0xd: "GpioTermWpu1K2K",
0xf: "GpioTermNative",
},
value : dw1.GetTermination(),
},
)
}
// GenerateString - generates the entire string of bitfield macros.
func (bitfields FieldMacros) GenerateString() {
macro := common.GetMacro()
macro.Add("{ GPIO_SKL_H_").Id().Add(", { ")
bitfields.DecodeDW0()
bitfields.DecodeDW1()
macro.Add(" GpioPadConfigLock } },") // TODO: configure GpioPadConfigLock
}
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