Add ingenic-opensdk package (#436)

general/package/hisilicon-opensdk/hisilicon-opensdk.mk

@@ -1,6 +1,6 @@
 ################################################################################
 #
-# openhisilicon
+# hisilicon-opensdk
 #
 ################################################################################
 

general/package/ingenic-opensdk/Config.in

@@ -0,0 +1,10 @@
+config BR2_PACKAGE_INGENIC_OPENSDK
+	bool "ingenic-opensdk"
+	default n
+	depends on BR2_LINUX_KERNEL
+	help
+	  Opensource Ingenic SoCs SDK
+
+comment "INGENIC_OPENSDK needs a Linux kernel to be built"
+	depends on !BR2_LINUX_KERNEL
+

general/package/ingenic-opensdk/ingenic-opensdk.mk

@@ -0,0 +1,23 @@
+################################################################################
+#
+# ingenic-opensdk
+#
+################################################################################
+
+INGENIC_OPENSDK_LICENSE = GPL-3.0
+INGENIC_OPENSDK_LICENSE_FILES = LICENSE
+
+FAMILY = $(shell grep "/board/" $(BR2_CONFIG) | head -1 | cut -d "/" -f 3)
+
+
+define INGENIC_OPENSDK_EXTRACT_CMDS
+	cp $(BR2_EXTERNAL_INGENIC_PATH)/package/ingenic-opensdk/src/kernel/* $(@D)/
+endef
+
+INGENIC_OPENSDK_MODULE_MAKE_OPTS = \
+	>CONFIG_GPIO=m \
+	KVER=$(LINUX_VERSION_PROBED) \
+	KSRC=$(LINUX_DIR)
+
+$(eval $(kernel-module))
+$(eval $(generic-package))

general/package/ingenic-opensdk/src/kernel/Makefile

@@ -0,0 +1,20 @@
+CROSS_COMPILE ?= mips-linux-gnu-
+
+ifeq (${ISVP_ENV_KERNEL_DIR}, )
+	ISVP_ENV_KERNEL_DIR = ../../../kernel
+endif
+
+KDIR := ${ISVP_ENV_KERNEL_DIR}
+MODULE_NAME := gpio
+
+all: modules
+
+.PHONY: modules clean
+
+obj-m := $(MODULE_NAME).o
+
+modules:
+	@$(MAKE) -C $(KDIR) M=$(shell pwd) $@
+clean:
+	@rm -rf *.o *~ .depend .*.cmd  *.mod.c .tmp_versions *.ko *.symvers modules.order
+	@rm -f gpio

general/package/ingenic-opensdk/src/kernel/gpio.c

@@ -0,0 +1,78 @@
+#include <jz_proc.h>
+#include <linux/proc_fs.h>
+#include <linux/gpio.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("OpenIPC");
+MODULE_DESCRIPTION("Ingenic GPIO Claimer");
+
+static struct proc_dir_entry *claim_proc;
+
+int claim_gpio(int gpio) {
+  int ret = 0;
+
+  pr_debug("GPIO[%i] Requesting...\n", gpio);
+
+  if (!gpio_is_valid(gpio)) {
+    pr_err("GPIO[%i] is not valid\n", gpio);
+    return -1;
+  }
+
+  if (gpio_request(gpio, 0) < 0)
+    return -1;
+
+  pr_debug("GPIO[%i] Setting direction...\n", gpio);
+  gpio_direction_output(gpio, 0);
+  pr_debug("GPIO[%i] Exporting...\n", gpio);
+  gpio_export(gpio, true);
+
+  return 0;
+}
+
+ssize_t claim_proc_write(struct file *filp, const char *buf, size_t len,
+                         loff_t *off) {
+  int ret = 0;
+  char cmd[4] = {0};
+  uint32_t addr, data, datalen;
+
+  if (len > 4) {
+    return -EFAULT;
+  }
+  if (copy_from_user(cmd, buf, len)) {
+    return -EFAULT;
+  }
+  int gpio = simple_strtoul(cmd, NULL, 0);
+  ret = claim_gpio(gpio);
+  if (ret) {
+    pr_err("GPIO[%i] Error %i \n", gpio, ret);
+    return -EFAULT;
+  } else {
+    pr_debug("GPIO[%i] Claiming...\n", gpio);
+  }
+
+  return len;
+}
+
+static const struct file_operations claim_proc_fops = {
+    .owner = THIS_MODULE,
+    .write = claim_proc_write,
+};
+
+static __init int init_claim(void) {
+  claim_proc = proc_mkdir("jz/claim", 0);
+  if (!claim_proc) {
+    printk("err: jz_proc_mkdir failed\n");
+  }
+  proc_create_data("gpio", S_IRUGO, claim_proc, &claim_proc_fops, NULL);
+  printk("Ingenic GPIO claim module (c) OpenIPC.org\n");
+  return 0;
+}
+
+static __exit void exit_claim(void) { proc_remove(claim_proc); }
+
+module_init(init_claim);
+module_exit(exit_claim);