diff options
Diffstat (limited to 'drivers/staging/media/solo6x10/solo6x10-gpio.c')
| -rw-r--r-- | drivers/staging/media/solo6x10/solo6x10-gpio.c | 109 |
1 files changed, 0 insertions, 109 deletions
diff --git a/drivers/staging/media/solo6x10/solo6x10-gpio.c b/drivers/staging/media/solo6x10/solo6x10-gpio.c deleted file mode 100644 index 73276dc92875..000000000000 --- a/drivers/staging/media/solo6x10/solo6x10-gpio.c +++ /dev/null @@ -1,109 +0,0 @@ -/* - * Copyright (C) 2010-2013 Bluecherry, LLC <http://www.bluecherrydvr.com> - * - * Original author: - * Ben Collins <bcollins@ubuntu.com> - * - * Additional work by: - * John Brooks <john.brooks@bluecherry.net> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * 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. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#include <linux/kernel.h> -#include <linux/fs.h> -#include <linux/delay.h> -#include <linux/uaccess.h> - -#include "solo6x10.h" - -static void solo_gpio_mode(struct solo_dev *solo_dev, - unsigned int port_mask, unsigned int mode) -{ - int port; - unsigned int ret; - - ret = solo_reg_read(solo_dev, SOLO_GPIO_CONFIG_0); - - /* To set gpio */ - for (port = 0; port < 16; port++) { - if (!((1 << port) & port_mask)) - continue; - - ret &= (~(3 << (port << 1))); - ret |= ((mode & 3) << (port << 1)); - } - - solo_reg_write(solo_dev, SOLO_GPIO_CONFIG_0, ret); - - /* To set extended gpio - sensor */ - ret = solo_reg_read(solo_dev, SOLO_GPIO_CONFIG_1); - - for (port = 0; port < 16; port++) { - if (!((1 << (port + 16)) & port_mask)) - continue; - - if (!mode) - ret &= ~(1 << port); - else - ret |= 1 << port; - } - - solo_reg_write(solo_dev, SOLO_GPIO_CONFIG_1, ret); -} - -static void solo_gpio_set(struct solo_dev *solo_dev, unsigned int value) -{ - solo_reg_write(solo_dev, SOLO_GPIO_DATA_OUT, - solo_reg_read(solo_dev, SOLO_GPIO_DATA_OUT) | value); -} - -static void solo_gpio_clear(struct solo_dev *solo_dev, unsigned int value) -{ - solo_reg_write(solo_dev, SOLO_GPIO_DATA_OUT, - solo_reg_read(solo_dev, SOLO_GPIO_DATA_OUT) & ~value); -} - -static void solo_gpio_config(struct solo_dev *solo_dev) -{ - /* Video reset */ - solo_gpio_mode(solo_dev, 0x30, 1); - solo_gpio_clear(solo_dev, 0x30); - udelay(100); - solo_gpio_set(solo_dev, 0x30); - udelay(100); - - /* Warning: Don't touch the next line unless you're sure of what - * you're doing: first four gpio [0-3] are used for video. */ - solo_gpio_mode(solo_dev, 0x0f, 2); - - /* We use bit 8-15 of SOLO_GPIO_CONFIG_0 for relay purposes */ - solo_gpio_mode(solo_dev, 0xff00, 1); - - /* Initially set relay status to 0 */ - solo_gpio_clear(solo_dev, 0xff00); -} - -int solo_gpio_init(struct solo_dev *solo_dev) -{ - solo_gpio_config(solo_dev); - return 0; -} - -void solo_gpio_exit(struct solo_dev *solo_dev) -{ - solo_gpio_clear(solo_dev, 0x30); - solo_gpio_config(solo_dev); -} |