-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
yaml --- r: 105138 b: refs/heads/master c: 16b32fd h: refs/heads/master v: v3
- Loading branch information
Dmitry Baryshkov
authored and
Russell King
committed
Jul 7, 2008
1 parent
3e00c28
commit 8ea3a5e
Showing
7 changed files
with
202 additions
and
6 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -1,2 +1,2 @@ | ||
--- | ||
refs/heads/master: 5289fecda021828af85fccc8cc2613a85d0fcf52 | ||
refs/heads/master: 16b32fd0a35b30cbd67395cfcbd360354db44f39 |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,150 @@ | ||
/* | ||
* 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 <asm/arch/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_toggle_radio(void *data, enum rfkill_state state) | ||
{ | ||
pr_info("BT_RADIO going: %s\n", | ||
state == RFKILL_STATE_ON ? "on" : "off"); | ||
|
||
if (state == RFKILL_STATE_ON) { | ||
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 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_allocate(&dev->dev, RFKILL_TYPE_BLUETOOTH); | ||
if (!rfk) { | ||
rc = -ENOMEM; | ||
goto err_rfk_alloc; | ||
} | ||
|
||
rfk->name = "tosa-bt"; | ||
rfk->toggle_radio = tosa_bt_toggle_radio; | ||
rfk->data = data; | ||
#ifdef CONFIG_RFKILL_LEDS | ||
rfk->led_trigger.name = "tosa-bt"; | ||
#endif | ||
|
||
rc = rfkill_register(rfk); | ||
if (rc) | ||
goto err_rfkill; | ||
|
||
platform_set_drvdata(dev, rfk); | ||
|
||
return 0; | ||
|
||
err_rfkill: | ||
if (rfk) | ||
rfkill_free(rfk); | ||
rfk = NULL; | ||
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 __devexit 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); | ||
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 = __devexit_p(tosa_bt_remove), | ||
|
||
.driver = { | ||
.name = "tosa-bt", | ||
.owner = THIS_MODULE, | ||
}, | ||
}; | ||
|
||
|
||
static int __init tosa_bt_init(void) | ||
{ | ||
return platform_driver_register(&tosa_bt_driver); | ||
} | ||
|
||
static void __exit tosa_bt_exit(void) | ||
{ | ||
platform_driver_unregister(&tosa_bt_driver); | ||
} | ||
|
||
module_init(tosa_bt_init); | ||
module_exit(tosa_bt_exit); |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,22 @@ | ||
/* | ||
* Tosa bluetooth built-in chip control. | ||
* | ||
* Later it may be shared with some other platforms. | ||
* | ||
* 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. | ||
* | ||
*/ | ||
#ifndef TOSA_BT_H | ||
#define TOSA_BT_H | ||
|
||
struct tosa_bt_data { | ||
int gpio_pwr; | ||
int gpio_reset; | ||
}; | ||
|
||
#endif | ||
|