Initial Contribution
msm-2.6.38: tag AU_LINUX_ANDROID_GINGERBREAD.02.03.04.00.142
Signed-off-by: Bryan Huntsman <bryanh@codeaurora.org>
diff --git a/arch/arm/mach-msm/board-mahimahi-rfkill.c b/arch/arm/mach-msm/board-mahimahi-rfkill.c
new file mode 100644
index 0000000..05c9bb0
--- /dev/null
+++ b/arch/arm/mach-msm/board-mahimahi-rfkill.c
@@ -0,0 +1,122 @@
+/*
+ * Copyright (C) 2009 Google, Inc.
+ * Copyright (C) 2009 HTC Corporation.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/rfkill.h>
+#include <asm/gpio.h>
+#include <asm/mach-types.h>
+
+#include "board-mahimahi.h"
+
+static struct rfkill *bt_rfk;
+static const char bt_name[] = "bcm4329";
+
+static int bluetooth_set_power(void *data, bool blocked)
+{
+ if (!blocked) {
+ gpio_direction_output(MAHIMAHI_GPIO_BT_RESET_N, 1);
+ gpio_direction_output(MAHIMAHI_GPIO_BT_SHUTDOWN_N, 1);
+ } else {
+ gpio_direction_output(MAHIMAHI_GPIO_BT_SHUTDOWN_N, 0);
+ gpio_direction_output(MAHIMAHI_GPIO_BT_RESET_N, 0);
+ }
+ return 0;
+}
+
+static struct rfkill_ops mahimahi_rfkill_ops = {
+ .set_block = bluetooth_set_power,
+};
+
+static int mahimahi_rfkill_probe(struct platform_device *pdev)
+{
+ int rc = 0;
+ bool default_state = true; /* off */
+
+ rc = gpio_request(MAHIMAHI_GPIO_BT_RESET_N, "bt_reset");
+ if (rc)
+ goto err_gpio_reset;
+ rc = gpio_request(MAHIMAHI_GPIO_BT_SHUTDOWN_N, "bt_shutdown");
+ if (rc)
+ goto err_gpio_shutdown;
+
+ bluetooth_set_power(NULL, default_state);
+
+ bt_rfk = rfkill_alloc(bt_name, &pdev->dev, RFKILL_TYPE_BLUETOOTH,
+ &mahimahi_rfkill_ops, NULL);
+ if (!bt_rfk) {
+ rc = -ENOMEM;
+ goto err_rfkill_alloc;
+ }
+
+ rfkill_set_states(bt_rfk, default_state, false);
+
+ /* userspace cannot take exclusive control */
+
+ rc = rfkill_register(bt_rfk);
+ if (rc)
+ goto err_rfkill_reg;
+
+ return 0;
+
+err_rfkill_reg:
+ rfkill_destroy(bt_rfk);
+err_rfkill_alloc:
+ gpio_free(MAHIMAHI_GPIO_BT_SHUTDOWN_N);
+err_gpio_shutdown:
+ gpio_free(MAHIMAHI_GPIO_BT_RESET_N);
+err_gpio_reset:
+ return rc;
+}
+
+static int mahimahi_rfkill_remove(struct platform_device *dev)
+{
+ rfkill_unregister(bt_rfk);
+ rfkill_destroy(bt_rfk);
+ gpio_free(MAHIMAHI_GPIO_BT_SHUTDOWN_N);
+ gpio_free(MAHIMAHI_GPIO_BT_RESET_N);
+
+ return 0;
+}
+
+static struct platform_driver mahimahi_rfkill_driver = {
+ .probe = mahimahi_rfkill_probe,
+ .remove = mahimahi_rfkill_remove,
+ .driver = {
+ .name = "mahimahi_rfkill",
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init mahimahi_rfkill_init(void)
+{
+ if (!machine_is_mahimahi())
+ return 0;
+
+ return platform_driver_register(&mahimahi_rfkill_driver);
+}
+
+static void __exit mahimahi_rfkill_exit(void)
+{
+ platform_driver_unregister(&mahimahi_rfkill_driver);
+}
+
+module_init(mahimahi_rfkill_init);
+module_exit(mahimahi_rfkill_exit);
+MODULE_DESCRIPTION("mahimahi rfkill");
+MODULE_AUTHOR("Nick Pelly <npelly@google.com>");
+MODULE_LICENSE("GPL");