diff options
Diffstat (limited to 'arch/arm/mach-s3c2410/h1940-bluetooth.c')
| -rw-r--r-- | arch/arm/mach-s3c2410/h1940-bluetooth.c | 157 |
1 files changed, 0 insertions, 157 deletions
diff --git a/arch/arm/mach-s3c2410/h1940-bluetooth.c b/arch/arm/mach-s3c2410/h1940-bluetooth.c deleted file mode 100644 index a5eeb62ce1c2..000000000000 --- a/arch/arm/mach-s3c2410/h1940-bluetooth.c +++ /dev/null @@ -1,157 +0,0 @@ -/* - * arch/arm/mach-s3c2410/h1940-bluetooth.c - * Copyright (c) Arnaud Patard <arnaud.patard@rtp-net.org> - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file COPYING in the main directory of this archive for - * more details. - * - * S3C2410 bluetooth "driver" - * - */ - -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/delay.h> -#include <linux/string.h> -#include <linux/ctype.h> -#include <linux/leds.h> -#include <linux/gpio.h> -#include <linux/rfkill.h> - -#include <mach/regs-gpio.h> -#include <mach/hardware.h> -#include <mach/h1940-latch.h> -#include <mach/h1940.h> - -#define DRV_NAME "h1940-bt" - -/* Bluetooth control */ -static void h1940bt_enable(int on) -{ - if (on) { - /* Power on the chip */ - gpio_set_value(H1940_LATCH_BLUETOOTH_POWER, 1); - /* Reset the chip */ - mdelay(10); - - gpio_set_value(S3C2410_GPH(1), 1); - mdelay(10); - gpio_set_value(S3C2410_GPH(1), 0); - - h1940_led_blink_set(-EINVAL, GPIO_LED_BLINK, NULL, NULL); - } - else { - gpio_set_value(S3C2410_GPH(1), 1); - mdelay(10); - gpio_set_value(S3C2410_GPH(1), 0); - mdelay(10); - gpio_set_value(H1940_LATCH_BLUETOOTH_POWER, 0); - - h1940_led_blink_set(-EINVAL, GPIO_LED_NO_BLINK_LOW, NULL, NULL); - } -} - -static int h1940bt_set_block(void *data, bool blocked) -{ - h1940bt_enable(!blocked); - return 0; -} - -static const struct rfkill_ops h1940bt_rfkill_ops = { - .set_block = h1940bt_set_block, -}; - -static int __devinit h1940bt_probe(struct platform_device *pdev) -{ - struct rfkill *rfk; - int ret = 0; - - ret = gpio_request(S3C2410_GPH(1), dev_name(&pdev->dev)); - if (ret) { - dev_err(&pdev->dev, "could not get GPH1\n"); - return ret; - } - - ret = gpio_request(H1940_LATCH_BLUETOOTH_POWER, dev_name(&pdev->dev)); - if (ret) { - gpio_free(S3C2410_GPH(1)); - dev_err(&pdev->dev, "could not get BT_POWER\n"); - return ret; - } - - /* Configures BT serial port GPIOs */ - s3c_gpio_cfgpin(S3C2410_GPH(0), S3C2410_GPH0_nCTS0); - s3c_gpio_setpull(S3C2410_GPH(0), S3C_GPIO_PULL_NONE); - s3c_gpio_cfgpin(S3C2410_GPH(1), S3C2410_GPIO_OUTPUT); - s3c_gpio_setpull(S3C2410_GPH(1), S3C_GPIO_PULL_NONE); - s3c_gpio_cfgpin(S3C2410_GPH(2), S3C2410_GPH2_TXD0); - s3c_gpio_setpull(S3C2410_GPH(2), S3C_GPIO_PULL_NONE); - s3c_gpio_cfgpin(S3C2410_GPH(3), S3C2410_GPH3_RXD0); - s3c_gpio_setpull(S3C2410_GPH(3), S3C_GPIO_PULL_NONE); - - rfk = rfkill_alloc(DRV_NAME, &pdev->dev, RFKILL_TYPE_BLUETOOTH, - &h1940bt_rfkill_ops, NULL); - if (!rfk) { - ret = -ENOMEM; - goto err_rfk_alloc; - } - - ret = rfkill_register(rfk); - if (ret) - goto err_rfkill; - - platform_set_drvdata(pdev, rfk); - - return 0; - -err_rfkill: - rfkill_destroy(rfk); -err_rfk_alloc: - return ret; -} - -static int h1940bt_remove(struct platform_device *pdev) -{ - struct rfkill *rfk = platform_get_drvdata(pdev); - - platform_set_drvdata(pdev, NULL); - gpio_free(S3C2410_GPH(1)); - - if (rfk) { - rfkill_unregister(rfk); - rfkill_destroy(rfk); - } - rfk = NULL; - - h1940bt_enable(0); - - return 0; -} - - -static struct platform_driver h1940bt_driver = { - .driver = { - .name = DRV_NAME, - }, - .probe = h1940bt_probe, - .remove = h1940bt_remove, -}; - - -static int __init h1940bt_init(void) -{ - return platform_driver_register(&h1940bt_driver); -} - -static void __exit h1940bt_exit(void) -{ - platform_driver_unregister(&h1940bt_driver); -} - -module_init(h1940bt_init); -module_exit(h1940bt_exit); - -MODULE_AUTHOR("Arnaud Patard <arnaud.patard@rtp-net.org>"); -MODULE_DESCRIPTION("Driver for the iPAQ H1940 bluetooth chip"); -MODULE_LICENSE("GPL"); |