gpio: reorganize drivers

Sort the gpio makefile and enforce the naming convention gpio-*.c for
gpio drivers.

v2: cleaned up filenames in Kconfig and comment blocks
v3: fixup use of BASIC_MMIO to GENERIC_GPIO for mxc

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

1 files changed, 0 insertions, 316 deletions

diff --git a/drivers/gpio/sch_gpio.c b/drivers/gpio/sch_gpio.c
deleted file mode 100644
index 56060421cdf..00000000000
--- a/drivers/gpio/sch_gpio.c
+++ /dev/null
@@ -1,316 +0,0 @@
-/*
- *  sch_gpio.c - GPIO interface for Intel Poulsbo SCH
- *
- *  Copyright (c) 2010 CompuLab Ltd
- *  Author: Denis Turischev <denis@compulab.co.il>
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License 2 as published
- *  by the Free Software Foundation.
- *
- *  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; see the file COPYING.  If not, write to
- *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/io.h>
-#include <linux/errno.h>
-#include <linux/acpi.h>
-#include <linux/platform_device.h>
-#include <linux/pci_ids.h>
-
-#include <linux/gpio.h>
-
-static DEFINE_SPINLOCK(gpio_lock);
-
-#define CGEN	(0x00)
-#define CGIO	(0x04)
-#define CGLV	(0x08)
-
-#define RGEN	(0x20)
-#define RGIO	(0x24)
-#define RGLV	(0x28)
-
-static unsigned short gpio_ba;
-
-static int sch_gpio_core_direction_in(struct gpio_chip *gc, unsigned  gpio_num)
-{
-	u8 curr_dirs;
-	unsigned short offset, bit;
-
-	spin_lock(&gpio_lock);
-
-	offset = CGIO + gpio_num / 8;
-	bit = gpio_num % 8;
-
-	curr_dirs = inb(gpio_ba + offset);
-
-	if (!(curr_dirs & (1 << bit)))
-		outb(curr_dirs | (1 << bit), gpio_ba + offset);
-
-	spin_unlock(&gpio_lock);
-	return 0;
-}
-
-static int sch_gpio_core_get(struct gpio_chip *gc, unsigned gpio_num)
-{
-	int res;
-	unsigned short offset, bit;
-
-	offset = CGLV + gpio_num / 8;
-	bit = gpio_num % 8;
-
-	res = !!(inb(gpio_ba + offset) & (1 << bit));
-	return res;
-}
-
-static void sch_gpio_core_set(struct gpio_chip *gc, unsigned gpio_num, int val)
-{
-	u8 curr_vals;
-	unsigned short offset, bit;
-
-	spin_lock(&gpio_lock);
-
-	offset = CGLV + gpio_num / 8;
-	bit = gpio_num % 8;
-
-	curr_vals = inb(gpio_ba + offset);
-
-	if (val)
-		outb(curr_vals | (1 << bit), gpio_ba + offset);
-	else
-		outb((curr_vals & ~(1 << bit)), gpio_ba + offset);
-	spin_unlock(&gpio_lock);
-}
-
-static int sch_gpio_core_direction_out(struct gpio_chip *gc,
-					unsigned gpio_num, int val)
-{
-	u8 curr_dirs;
-	unsigned short offset, bit;
-
-	sch_gpio_core_set(gc, gpio_num, val);
-
-	spin_lock(&gpio_lock);
-
-	offset = CGIO + gpio_num / 8;
-	bit = gpio_num % 8;
-
-	curr_dirs = inb(gpio_ba + offset);
-	if (curr_dirs & (1 << bit))
-		outb(curr_dirs & ~(1 << bit), gpio_ba + offset);
-
-	spin_unlock(&gpio_lock);
-	return 0;
-}
-
-static struct gpio_chip sch_gpio_core = {
-	.label			= "sch_gpio_core",
-	.owner			= THIS_MODULE,
-	.direction_input	= sch_gpio_core_direction_in,
-	.get			= sch_gpio_core_get,
-	.direction_output	= sch_gpio_core_direction_out,
-	.set			= sch_gpio_core_set,
-};
-
-static int sch_gpio_resume_direction_in(struct gpio_chip *gc,
-					unsigned gpio_num)
-{
-	u8 curr_dirs;
-
-	spin_lock(&gpio_lock);
-
-	curr_dirs = inb(gpio_ba + RGIO);
-
-	if (!(curr_dirs & (1 << gpio_num)))
-		outb(curr_dirs | (1 << gpio_num) , gpio_ba + RGIO);
-
-	spin_unlock(&gpio_lock);
-	return 0;
-}
-
-static int sch_gpio_resume_get(struct gpio_chip *gc, unsigned gpio_num)
-{
-	return !!(inb(gpio_ba + RGLV) & (1 << gpio_num));
-}
-
-static void sch_gpio_resume_set(struct gpio_chip *gc,
-				unsigned gpio_num, int val)
-{
-	u8 curr_vals;
-
-	spin_lock(&gpio_lock);
-
-	curr_vals = inb(gpio_ba + RGLV);
-
-	if (val)
-		outb(curr_vals | (1 << gpio_num), gpio_ba + RGLV);
-	else
-		outb((curr_vals & ~(1 << gpio_num)), gpio_ba + RGLV);
-
-	spin_unlock(&gpio_lock);
-}
-
-static int sch_gpio_resume_direction_out(struct gpio_chip *gc,
-					unsigned gpio_num, int val)
-{
-	u8 curr_dirs;
-
-	sch_gpio_resume_set(gc, gpio_num, val);
-
-	spin_lock(&gpio_lock);
-
-	curr_dirs = inb(gpio_ba + RGIO);
-	if (curr_dirs & (1 << gpio_num))
-		outb(curr_dirs & ~(1 << gpio_num), gpio_ba + RGIO);
-
-	spin_unlock(&gpio_lock);
-	return 0;
-}
-
-static struct gpio_chip sch_gpio_resume = {
-	.label			= "sch_gpio_resume",
-	.owner			= THIS_MODULE,
-	.direction_input	= sch_gpio_resume_direction_in,
-	.get			= sch_gpio_resume_get,
-	.direction_output	= sch_gpio_resume_direction_out,
-	.set			= sch_gpio_resume_set,
-};
-
-static int __devinit sch_gpio_probe(struct platform_device *pdev)
-{
-	struct resource *res;
-	int err, id;
-
-	id = pdev->id;
-	if (!id)
-		return -ENODEV;
-
-	res = platform_get_resource(pdev, IORESOURCE_IO, 0);
-	if (!res)
-		return -EBUSY;
-
-	if (!request_region(res->start, resource_size(res), pdev->name))
-		return -EBUSY;
-
-	gpio_ba = res->start;
-
-	switch (id) {
-		case PCI_DEVICE_ID_INTEL_SCH_LPC:
-			sch_gpio_core.base = 0;
-			sch_gpio_core.ngpio = 10;
-
-			sch_gpio_resume.base = 10;
-			sch_gpio_resume.ngpio = 4;
-
-			/*
-			 * GPIO[6:0] enabled by default
-			 * GPIO7 is configured by the CMC as SLPIOVR
-			 * Enable GPIO[9:8] core powered gpios explicitly
-			 */
-			outb(0x3, gpio_ba + CGEN + 1);
-			/*
-			 * SUS_GPIO[2:0] enabled by default
-			 * Enable SUS_GPIO3 resume powered gpio explicitly
-			 */
-			outb(0x8, gpio_ba + RGEN);
-			break;
-
-		case PCI_DEVICE_ID_INTEL_ITC_LPC:
-			sch_gpio_core.base = 0;
-			sch_gpio_core.ngpio = 5;
-
-			sch_gpio_resume.base = 5;
-			sch_gpio_resume.ngpio = 9;
-			break;
-
-		default:
-			return -ENODEV;
-	}
-
-	sch_gpio_core.dev = &pdev->dev;
-	sch_gpio_resume.dev = &pdev->dev;
-
-	err = gpiochip_add(&sch_gpio_core);
-	if (err < 0)
-		goto err_sch_gpio_core;
-
-	err = gpiochip_add(&sch_gpio_resume);
-	if (err < 0)
-		goto err_sch_gpio_resume;
-
-	return 0;
-
-err_sch_gpio_resume:
-	err = gpiochip_remove(&sch_gpio_core);
-	if (err)
-		dev_err(&pdev->dev, "%s failed, %d\n",
-				"gpiochip_remove()", err);
-
-err_sch_gpio_core:
-	release_region(res->start, resource_size(res));
-	gpio_ba = 0;
-
-	return err;
-}
-
-static int __devexit sch_gpio_remove(struct platform_device *pdev)
-{
-	struct resource *res;
-	if (gpio_ba) {
-		int err;
-
-		err  = gpiochip_remove(&sch_gpio_core);
-		if (err)
-			dev_err(&pdev->dev, "%s failed, %d\n",
-				"gpiochip_remove()", err);
-		err = gpiochip_remove(&sch_gpio_resume);
-		if (err)
-			dev_err(&pdev->dev, "%s failed, %d\n",
-				"gpiochip_remove()", err);
-
-		res = platform_get_resource(pdev, IORESOURCE_IO, 0);
-
-		release_region(res->start, resource_size(res));
-		gpio_ba = 0;
-
-		return err;
-	}
-
-	return 0;
-}
-
-static struct platform_driver sch_gpio_driver = {
-	.driver = {
-		.name = "sch_gpio",
-		.owner = THIS_MODULE,
-	},
-	.probe		= sch_gpio_probe,
-	.remove		= __devexit_p(sch_gpio_remove),
-};
-
-static int __init sch_gpio_init(void)
-{
-	return platform_driver_register(&sch_gpio_driver);
-}
-
-static void __exit sch_gpio_exit(void)
-{
-	platform_driver_unregister(&sch_gpio_driver);
-}
-
-module_init(sch_gpio_init);
-module_exit(sch_gpio_exit);
-
-MODULE_AUTHOR("Denis Turischev <denis@compulab.co.il>");
-MODULE_DESCRIPTION("GPIO interface for Intel Poulsbo SCH");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:sch_gpio");