Release 4.7 drivers/media/pci/solo6x10/solo6x10-gpio.c
/*
* 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.
*/
#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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| ben collins | ben collins | 177 | 99.44% | 1 | 50.00% |
| krzysztof halasa | krzysztof halasa | 1 | 0.56% | 1 | 50.00% |
| Total | 178 | 100.00% | 2 | 100.00% |
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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| ben collins | ben collins | 30 | 96.77% | 1 | 50.00% |
| krzysztof halasa | krzysztof halasa | 1 | 3.23% | 1 | 50.00% |
| Total | 31 | 100.00% | 2 | 100.00% |
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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| ben collins | ben collins | 31 | 96.88% | 1 | 50.00% |
| krzysztof halasa | krzysztof halasa | 1 | 3.12% | 1 | 50.00% |
| Total | 32 | 100.00% | 2 | 100.00% |
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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| ben collins | ben collins | 72 | 98.63% | 1 | 50.00% |
| krzysztof halasa | krzysztof halasa | 1 | 1.37% | 1 | 50.00% |
| Total | 73 | 100.00% | 2 | 100.00% |
int solo_gpio_init(struct solo_dev *solo_dev)
{
solo_gpio_config(solo_dev);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| ben collins | ben collins | 17 | 94.44% | 1 | 50.00% |
| krzysztof halasa | krzysztof halasa | 1 | 5.56% | 1 | 50.00% |
| Total | 18 | 100.00% | 2 | 100.00% |
void solo_gpio_exit(struct solo_dev *solo_dev)
{
solo_gpio_clear(solo_dev, 0x30);
solo_gpio_config(solo_dev);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| ben collins | ben collins | 21 | 95.45% | 1 | 50.00% |
| krzysztof halasa | krzysztof halasa | 1 | 4.55% | 1 | 50.00% |
| Total | 22 | 100.00% | 2 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| ben collins | ben collins | 358 | 96.76% | 1 | 20.00% |
| krzysztof halasa | krzysztof halasa | 7 | 1.89% | 2 | 40.00% |
| hans verkuil | hans verkuil | 5 | 1.35% | 2 | 40.00% |
| Total | 370 | 100.00% | 5 | 100.00% |
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