[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/arch/arm/mach-pxa/tosa-bt.c b/src/kernel/linux/v4.14/arch/arm/mach-pxa/tosa-bt.c
new file mode 100644
index 0000000..8360608
--- /dev/null
+++ b/src/kernel/linux/v4.14/arch/arm/mach-pxa/tosa-bt.c
@@ -0,0 +1,138 @@
+/*
+ * Bluetooth built-in chip control
+ *
+ * Copyright (c) 2008 Dmitry Baryshkov
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <linux/delay.h>
+#include <linux/rfkill.h>
+
+#include "tosa_bt.h"
+
+static void tosa_bt_on(struct tosa_bt_data *data)
+{
+ gpio_set_value(data->gpio_reset, 0);
+ gpio_set_value(data->gpio_pwr, 1);
+ gpio_set_value(data->gpio_reset, 1);
+ mdelay(20);
+ gpio_set_value(data->gpio_reset, 0);
+}
+
+static void tosa_bt_off(struct tosa_bt_data *data)
+{
+ gpio_set_value(data->gpio_reset, 1);
+ mdelay(10);
+ gpio_set_value(data->gpio_pwr, 0);
+ gpio_set_value(data->gpio_reset, 0);
+}
+
+static int tosa_bt_set_block(void *data, bool blocked)
+{
+ pr_info("BT_RADIO going: %s\n", blocked ? "off" : "on");
+
+ if (!blocked) {
+ pr_info("TOSA_BT: going ON\n");
+ tosa_bt_on(data);
+ } else {
+ pr_info("TOSA_BT: going OFF\n");
+ tosa_bt_off(data);
+ }
+
+ return 0;
+}
+
+static const struct rfkill_ops tosa_bt_rfkill_ops = {
+ .set_block = tosa_bt_set_block,
+};
+
+static int tosa_bt_probe(struct platform_device *dev)
+{
+ int rc;
+ struct rfkill *rfk;
+
+ struct tosa_bt_data *data = dev->dev.platform_data;
+
+ rc = gpio_request(data->gpio_reset, "Bluetooth reset");
+ if (rc)
+ goto err_reset;
+ rc = gpio_direction_output(data->gpio_reset, 0);
+ if (rc)
+ goto err_reset_dir;
+ rc = gpio_request(data->gpio_pwr, "Bluetooth power");
+ if (rc)
+ goto err_pwr;
+ rc = gpio_direction_output(data->gpio_pwr, 0);
+ if (rc)
+ goto err_pwr_dir;
+
+ rfk = rfkill_alloc("tosa-bt", &dev->dev, RFKILL_TYPE_BLUETOOTH,
+ &tosa_bt_rfkill_ops, data);
+ if (!rfk) {
+ rc = -ENOMEM;
+ goto err_rfk_alloc;
+ }
+
+ rc = rfkill_register(rfk);
+ if (rc)
+ goto err_rfkill;
+
+ platform_set_drvdata(dev, rfk);
+
+ return 0;
+
+err_rfkill:
+ rfkill_destroy(rfk);
+err_rfk_alloc:
+ tosa_bt_off(data);
+err_pwr_dir:
+ gpio_free(data->gpio_pwr);
+err_pwr:
+err_reset_dir:
+ gpio_free(data->gpio_reset);
+err_reset:
+ return rc;
+}
+
+static int tosa_bt_remove(struct platform_device *dev)
+{
+ struct tosa_bt_data *data = dev->dev.platform_data;
+ struct rfkill *rfk = platform_get_drvdata(dev);
+
+ platform_set_drvdata(dev, NULL);
+
+ if (rfk) {
+ rfkill_unregister(rfk);
+ rfkill_destroy(rfk);
+ }
+ rfk = NULL;
+
+ tosa_bt_off(data);
+
+ gpio_free(data->gpio_pwr);
+ gpio_free(data->gpio_reset);
+
+ return 0;
+}
+
+static struct platform_driver tosa_bt_driver = {
+ .probe = tosa_bt_probe,
+ .remove = tosa_bt_remove,
+
+ .driver = {
+ .name = "tosa-bt",
+ },
+};
+module_platform_driver(tosa_bt_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Dmitry Baryshkov");
+MODULE_DESCRIPTION("Bluetooth built-in chip control");