updated dependencies

vendor/periph.io/x/host/v3/allwinner/h6.go

@@ -8,14 +8,14 @@
 package allwinner
 
 import (
-	"fmt"
-	"strings"
-
+	_ "embed"
+	"encoding/json"
 	"periph.io/x/conn/v3/pin"
 	"periph.io/x/host/v3/sysfs"
+	"strings"
 )
 
-// mappingH6 describes the mapping of the H5 processor gpios to their
+// mappingH6 describes the mapping of the H6 processor gpios to their
 // alternate functions.
 // According to https://linux-sunxi.org/H616 H616 and H618 are the same.
 // allwinner marketing team seems to disagree.
@@ -31,25 +31,36 @@ import (
 //   - SDC means SDCard?
 //   - NAND connects to a NAND flash controller.
 //   - CSI and CCI are for video capture.
-var mappingH6 = map[string][5]pin.Func{
-	"PC0": {"NAND_WE", "SDC2_DS", "SPI0_CLK", "", "PA_EINT0"},
-	"PC1": {"NAND_ALE", "SDC2_RST", "", "", "PA_EINT1"},
-	"PC2": {"NAND_CLE", "", "SPI0_MOSI", "", "PA_EINT2"},
-	"PC3": {"NAND_CE1", "", "SPI0_CS0", "BOOT_SEL1", "PA_EINT3"},
-	"PC4": {"NAND_CE0", "", "SPI0_MIS0", "BOOT_SEL2", "PA_EINT4"},
-	"PC5": {"NAND_RE", "SDC2_CLK", "", "BOOT_SEL3", "PA_EINT5"},
-	"PC6": {"NAND_RB0", "SDC2_CMD", "", "BOOT_SEL4", "PA_EINT6"},
-	"PC7": {"NAND_RB1", "", "SPI0_CS1", "", "PA_EINT7"},
-	"PC8": {"NAND_DQ7", "SDC2_D3", "", "", "PA_EINT8"},
+//
+// The data itself has been extracted from the pdf using
+// https://ronnywang.github.io/pdf-table-extractor/ and some
+// scripting.  The data has been validated manually.
+//
+//go:embed H6_pins.json
+var h6PinsSpec []byte
 
-	"PC9":  {"NAND_DQ6", "SDC2_D4", "", "", "PA_EINT9"},
-	"PC10": {"NAND_DQ5", "SDC2_D0", "", "", "PA_EINT10"},
-	"PC11": {"NAND_DQ4", "SDC2_D5", "", "", "PA_EINT11"},
-	"PC12": {"NAND_DQS", "", "", "", "PA_EINT12"},
-	"PC13": {"NAND_DQ3", "SDC2_D1", "", "", "PA_EINT13"},
-	"PC14": {"NAND_DQ2", "SDC2_D6", "", "", "PA_EINT14"},
-	"PC15": {"NAND_DQ1", "SDC2_D1", "SPI0_WP", "", "PA_EINT15"},
-	"PC16": {"NAND_DQ0", "SDC2_D7", "SPI0_HOLD", "", "PA_EINT16"},
+type serializedPinSpec struct {
+	Name      string
+	Function2 pin.Func
+	Function3 pin.Func
+	Function4 pin.Func
+	Function5 pin.Func
+	Function6 pin.Func
+}
+
+func getH6SerializedPinSpecs() ([]serializedPinSpec, error) {
+	var serializedPins []serializedPinSpec
+	err := json.Unmarshal(h6PinsSpec, &serializedPins)
+	return serializedPins, err
+}
+
+func getAltFunc(pinSpec serializedPinSpec) [5]pin.Func {
+	return [5]pin.Func{
+		pinSpec.Function2,
+		pinSpec.Function3,
+		pinSpec.Function4,
+		pinSpec.Function5,
+		pinSpec.Function6}
 }
 
 // mapH6Pins uses mappingH6 to actually set the altFunc fields of all gpio
@@ -57,15 +68,17 @@ var mappingH6 = map[string][5]pin.Func{
 //
 // It is called by the generic allwinner processor code if an H6 is detected.
 func mapH6Pins() error {
-	fmt.Println("Initializing H6 pins.")
-	for name, altFuncs := range mappingH6 {
-		pin := cpupins[name]
-		pin.altFunc = altFuncs
+	serializedPinSpecs, err := getH6SerializedPinSpecs()
+	if err != nil {
+		return err
+	}
+	for _, pinSpec := range serializedPinSpecs {
+		pin := cpupins[pinSpec.Name]
+		pin.altFunc = getAltFunc(pinSpec)
 		pin.available = true
-		if strings.Contains(string(altFuncs[4]), "_EINT") {
+		if strings.Contains(string(pinSpec.Function6), "_EINT") {
 			pin.supportEdge = true
 		}
-
 		// Initializes the sysfs corresponding pin right away.
 		pin.sysfsPin = sysfs.Pins[pin.Number()]
 	}