poe: add userland helpers scripts/tools

Support user to control PSE on/off (chip: tps23861) via ucentral config file.
Use uci-default to write poe's uci default file.

Fixes: WIFI-14724
Signed-off-by: jackcybertan <jack.tsai@cybertan.com.tw>

feeds/ucentral/poe/Makefile

@@ -0,0 +1,42 @@
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=poe
+PKG_VERSION:=1.0
+PKG_RELEASE:=1
+
+PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME)
+
+include $(INCLUDE_DIR)/package.mk
+
+ifeq ($(CONFIG_TARGET_ipq50xx_generic_DEVICE_sonicfi_rap630w_311g),y)
+TARGET_CFLAGS += -DPLATFORM_EWW631_B1=1
+endif
+
+define Package/poe
+	SECTION:=utils
+	CATEGORY:=Utilities
+	TITLE:=Turn on/off PoE ports with TSP23861 chipset
+	DEPENDS:= +libubox +libubus +libuci +libi2c
+endef
+
+define Package/poe/description
+  Turn on/off PoE ports
+endef
+
+define Build/Prepare
+	mkdir -p $(PKG_BUILD_DIR)
+	$(CP) ./src/* $(PKG_BUILD_DIR)/
+endef
+
+
+define Package/poe/install
+	$(INSTALL_DIR) $(1)
+	$(INSTALL_DIR) $(1)/etc/config $(1)/etc/init.d
+	$(INSTALL_BIN) ./files/poe.init $(1)/etc/init.d/poe
+	$(INSTALL_BIN) ./files/poe.config $(1)/etc/config/poe
+
+	$(INSTALL_DIR) $(1)/usr/bin
+	$(INSTALL_BIN) $(PKG_BUILD_DIR)/tps23861-poe-ctrl $(1)/usr/bin
+endef
+
+$(eval $(call BuildPackage,poe))

feeds/ucentral/poe/files/poe.init

@@ -0,0 +1,33 @@
+#!/bin/sh /etc/rc.common
+
+START=10
+
+tps23861_poe_ctrl () {
+	local section="$1"
+	local num mode
+	config_get num "$section" port_num
+	config_get mode "$section" admin_mode
+	
+	if [ "$mode" == "1" ]; then
+		output=$(tps23861-poe-ctrl -p "${num}" -P on)
+		echo "<6>${output}" > "/dev/kmsg"
+	else
+		output=$(tps23861-poe-ctrl -p "${num}" -P off)
+		echo "<6>${output}" > "/dev/kmsg"
+	fi
+}
+
+start(){
+	. /lib/functions.sh
+	
+	board=$(board_name)
+	case $board in
+	sonicfi,rap630w-311g|\
+	cybertan,eww631-b1)
+		config_load poe
+		config_foreach tps23861_poe_ctrl port
+		;;
+	*)
+		;;
+	esac
+}

feeds/ucentral/poe/src/Makefile

@@ -0,0 +1,26 @@
+CFLAGS += -Wall -g
+
+INCLUDES =
+
+LDFLAGS = -lubus -lubox -li2c
+
+LIBS = 
+
+SRCS = tps23861-poe-ctrl.c \
+
+OBJS = $(SRCS:.c=.o)
+
+MAIN = tps23861-poe-ctrl
+
+
+all:   $(MAIN) 
+
+$(MAIN): $(OBJS)
+	$(CC) $(CFLAGS) $(INCLUDES) -o $(MAIN) $(OBJS) $(LDFLAGS) $(LIBS)
+	
+.c.o:
+	$(CC) $(CFLAGS) $(INCLUDES) -c $<  -o $@
+
+clean:
+	$(RM) *.o *~ $(MAIN) $(TEST)
+

feeds/ucentral/poe/src/tps23861-poe-ctrl.c

@@ -0,0 +1,215 @@
+/*
+ * User-space daemon formonitoring and managing PoE ports with
+ * TI TPS23861 chips. based on the Linux Kernel TPS23861
+ * HWMON driver.
+*/
+
+#include <stdio.h>		/* Standard input/output definitions */
+#include <string.h>		/* String function definitions */
+#include <unistd.h>		/* UNIX standard function definitions */
+#include <fcntl.h>		/* File control definitions */
+#include <errno.h>		/* Error number definitions */
+#include <sys/ioctl.h>
+#include <linux/i2c.h>
+#include <linux/i2c-dev.h>  /* uapi/linux/i2c-dev.h */
+
+#include <libubox/ulog.h>
+
+#define TPS23861_I2C_ADDR				0x20
+#define DETECT_CLASS_RESTART			0x18
+#define POWER_ENABLE					0x19
+#define POWER_ON_SHIFT					0
+#define POWER_OFF_SHIFT					4
+
+typedef unsigned char	u8;
+
+#if defined(PLATFORM_EWW631_B1)
+#define TPS23861_NUM_PORTS				1
+#endif
+
+#define CONVERT_PORT_NUM(x)				(1 << ((u8)x-1))
+
+unsigned int  PORT_POWER_STATUS[TPS23861_NUM_PORTS];
+
+int i2c_handler = -1;
+#define ULOG_DBG(fmt, ...) ulog(LOG_DEBUG, fmt, ## __VA_ARGS__)
+
+int open_device(void)
+{
+	int fd, fset;
+
+	fd = open("/dev/i2c-0", O_RDWR);
+	fset = fcntl(fd, F_SETFL, 0);
+	if (fset < 0)
+		printf("fcntl failed!\n");
+
+	//if (isatty(STDIN_FILENO) == 0)
+	//	printf("standard input is not a terminal device\n");
+
+	return fd;
+}
+
+int access_salve(int fd)
+{
+	int ret;
+
+	if((ret = ioctl(fd, I2C_SLAVE, TPS23861_I2C_ADDR)) < 0)
+	{
+		printf("%s: Failed to access slave bus[%s]\n",__func__, strerror(errno));
+		return -1;
+	}
+	return(ret);
+}
+
+// Write to an I2C slave device's register:
+int i2c_write(u8 slave_addr, u8 reg, u8 data)
+{
+	u8 outbuf[2];
+
+	struct i2c_msg msgs[1];
+	struct i2c_rdwr_ioctl_data msgset[1];
+
+	outbuf[0] = reg;
+	outbuf[1] = data;
+
+	msgs[0].addr = slave_addr;
+	msgs[0].flags = 0;
+	msgs[0].len = 2;
+	msgs[0].buf = outbuf;
+
+	msgset[0].msgs = msgs;
+	msgset[0].nmsgs = 1;
+
+	if (ioctl(i2c_handler, I2C_RDWR, &msgset) < 0) {
+		perror("ioctl(I2C_RDWR) in i2c_write");
+		return -1;
+	}
+
+	return 0;
+}
+
+void poe_set_PowerOnOff(u8 port, u8 on_off) {
+	u8 value;
+	u8 portBit;
+	portBit = CONVERT_PORT_NUM(port+1);
+
+	if(on_off == 0) {
+		value = (portBit << POWER_OFF_SHIFT);
+		PORT_POWER_STATUS[port] = 0;
+	} else {
+		value = (portBit << POWER_ON_SHIFT);
+		PORT_POWER_STATUS[port] = 1;
+	}
+
+	ULOG_DBG("set Port%d Power Status [%d] portBit 0x[%x] value 0x[%x]\n", port+1, PORT_POWER_STATUS[port], portBit, value);
+
+	if(i2c_write(TPS23861_I2C_ADDR, POWER_ENABLE, value) < 0)
+	{
+		ULOG_ERR("Set port%d power on-off error (0x19)\n", port);
+	}
+}
+
+void RestartPortDetectClass(u8 port)
+{
+	u8 value;
+
+	value = (1 << port) | (1 << (port + 4));
+	ULOG_DBG("RestartPortDetectClass value 0x%x\n", value);
+	if(i2c_write(TPS23861_I2C_ADDR, DETECT_CLASS_RESTART, value) < 0) {
+			ULOG_ERR("Set port%d detection and class on error\n",port);
+	}
+}
+
+int usage(const char *progname)
+{
+	fprintf(stderr, "Usage: %s -p <1-3> -P <on|off> [options]\n"
+			"Required options:\n"
+			"  -p <1-3>:           Select port number (Only port 1 is supported)\n"
+			"  -P <on|off>:        Set PSE function state <on|off>\n"
+			"Optional options:\n"
+			"  -d                  Enable debug mode\n"
+			"\n", progname);
+	return 1;
+}
+
+static int setPSE(int port ,char *optarg)
+{
+	int ret = 0;
+	i2c_handler = open_device();
+	if (i2c_handler < 0) {
+		ULOG_ERR("open i2c-0 device error!\n");
+		goto EXIT;
+	}
+
+	ret = access_salve(i2c_handler);
+	if (ret < 0)
+	{
+		ULOG_ERR("The i2c-0 access error\n");
+		goto EXIT;
+	}
+
+	if(!strncmp("on", optarg, 2)) {
+		printf("Enable port%d PSE function\n", port);
+		RestartPortDetectClass(port-1);
+	}
+	else if (!strncmp("off", optarg, 3)) {
+		printf("Disable port%d PSE function\n", port);
+		poe_set_PowerOnOff(port-1, 0);
+	}
+	else {
+		ULOG_ERR("[Set] Do not accept this optarg!!!\n");
+		ret = 1;
+	}
+EXIT:
+	close(i2c_handler);
+	return ret;
+}
+
+int main(int argc, char *argv[])
+{
+	int ch, ret = 0, port = 0;
+	char *PSE = NULL;
+	if (argc == 1) {
+		return usage(argv[0]);
+	}
+
+
+	ulog_open(ULOG_STDIO | ULOG_SYSLOG, LOG_DAEMON, "tps23861");
+	ulog_threshold(LOG_INFO);
+
+	while ((ch = getopt(argc, argv, "dp:P:")) != -1) {
+		switch (ch) {
+		case 'd':
+			printf("tps23861-i2c-control ulog_threshold set to debug level\n");
+			ulog_threshold(LOG_DEBUG);
+			break;
+
+		case 'p':
+			port = atoi(optarg);
+			break;
+
+		case 'P':
+			PSE = optarg;
+			break;
+
+		default:
+			ret = usage(argv[0]);
+			break;
+		}
+	}
+
+	if (port < 1 || port > 3) {
+		ret = usage(argv[0]);
+	}
+	else {
+		if (PSE) {
+			setPSE(port, PSE);
+		}
+		else {
+			ret = usage(argv[0]);
+		}
+	}
+
+	return ret;
+
+}

feeds/ucentral/ucentral-schema/files/etc/uci-defaults/99-ucentral-poe

@@ -0,0 +1,20 @@
+#!/bin/sh
+
+. /lib/functions.sh
+
+board=$(board_name)
+case $board in
+	sonicfi,rap630w-311g|\
+	cybertan,eww631-b1)
+		for num in $(seq 1 3)
+		do
+			uci add poe port
+			uci set poe.@port[-1]='port'
+			eval uci set poe.@port[-1].port_num='${num}'
+			uci set poe.@port[-1].admin_mode='1'
+		done
+		uci commit
+		;;
+	*)
+		;;
+esac