Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.

1 files changed, 0 insertions, 614 deletions

diff --git a/ANDROID_3.4.5/arch/arm/mach-wmt/gpio.c b/ANDROID_3.4.5/arch/arm/mach-wmt/gpio.c
deleted file mode 100755
index 7558c137..00000000
--- a/ANDROID_3.4.5/arch/arm/mach-wmt/gpio.c
+++ /dev/null
@@ -1,614 +0,0 @@
-/* linux/arch/arm/mach-wmt/gpio.c
- *
- * Copyright (c) 2013 WonderMedia Technologies, Inc.
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * 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/module.h>
-#include <linux/device.h>
-#include <linux/gpio.h>
-#include <linux/init.h>
-#include <linux/irq.h>
-#include <linux/io.h>
-#include <linux/seq_file.h>
-#include <linux/kobject.h>
-#include <linux/debugfs.h>
-
-#include <mach/hardware.h>
-#include <mach/wmt_iomux.h>
-
-#undef	WMT_PIN
-#define WMT_PIN(__gp, __bit, __irq, __name)	\
-	{ .label = #__name, .regoff = __gp, .shift = __bit, .irqnum = __irq },
-
-const static struct wmt_gpio {
-	const char *label;
-	unsigned char regoff;
-	unsigned char shift;
-	int irqnum;
-} wmt_gpios[] = {
-	#include <mach/iomux.h>
-};
-
-#define to_wmt(__chip)	container_of(__chip, struct wmt_gpio_port, chip)
-
-struct wmt_gpio_port {
-	uint32_t base;
-	uint32_t gpio_irq_no_base;
-	int gpio_irq_nr;
-	struct gpio_chip chip;
-	spinlock_t lock;
-};
-
-static struct wmt_gpio_port wmt_gpio_port;
-
-#define INVALUE_REGS		0x00
-#define ENABLE_REGS		0x40
-#define DIRECTION_REGS		0x80
-#define OUTVALUE_REGS		0xc0
-
-#define INTMASK_REGS		0x300
-#define INTSTAT_REGS		0x360
-
-#define PULLENABLE_REGS		0x480
-#define PULLCONTROL_REGS	0x4c0
-
-#define GPIO_INT_LOW_LEV	0x0
-#define GPIO_INT_HIGH_LEV	0x1
-#define GPIO_INT_FALL_EDGE	0x2
-#define GPIO_INT_RISE_EDGE	0x3
-#define GPIO_INT_BOTH_EDGE	0x4
-
-#define CHIP_GPIO_BASE	0
-
-static void _clear_gpio_irqstatus(u32 irqindex)
-{
-	struct wmt_gpio_port *port = &wmt_gpio_port;
-	u32 addr = port->base + INTSTAT_REGS + (irqindex >> 3);
-	u8 index = irqindex & 0x7;
-
-	__raw_writeb(1 << index, addr);
-}
-
-static int _gpio_irqstatus(u32 irqindex)
-{
-	u8 l;
-	struct wmt_gpio_port *port = &wmt_gpio_port;
-	u32 addr = port->base + INTSTAT_REGS + (irqindex >> 3);
-	u8 index = irqindex & 0x7;
-	l = __raw_readb(addr);
-	return l & (1<<index);
-}
-
-int gpio_irqstatus(unsigned int gpio)
-{
-	int offset = gpio - CHIP_GPIO_BASE;
-	int irqindex = wmt_gpios[offset].irqnum;	
-	return _gpio_irqstatus(irqindex);
-}
-EXPORT_SYMBOL(gpio_irqstatus);
-
-static void _set_gpio_irqenable(u32 irqindex, int enable)
-{
-	struct wmt_gpio_port *port = &wmt_gpio_port;
-	u32 addr = port->base + INTMASK_REGS + irqindex;
-	u8 l;
-
-	l = __raw_readb(addr);
-	l = (l & 0x7f) | (!!enable << 7);
-	__raw_writeb(l, addr);
-}
-
-int is_gpio_irqenable(unsigned int gpio)
-{
-	u8 l;
-	int offset = gpio - CHIP_GPIO_BASE;
-	int irqindex = wmt_gpios[offset].irqnum;
-	struct wmt_gpio_port *port = &wmt_gpio_port;
-	u32 addr = port->base + INTMASK_REGS + irqindex;
-	
-	l = __raw_readb(addr);
-	return (l & 0x80);
-}
-EXPORT_SYMBOL(is_gpio_irqenable);
-
-void wmt_gpio_ack_irq(unsigned int gpio)
-{
-	int offset = gpio - CHIP_GPIO_BASE;
-	int irqindex = wmt_gpios[offset].irqnum;
-
-	_clear_gpio_irqstatus(irqindex);
-}
-EXPORT_SYMBOL(wmt_gpio_ack_irq);
-
-void wmt_gpio_mask_irq(unsigned int gpio)
-{
-	int offset = gpio - CHIP_GPIO_BASE;
-	int irqindex = wmt_gpios[offset].irqnum;
-
-	_set_gpio_irqenable(irqindex, 0);
-}
-EXPORT_SYMBOL(wmt_gpio_mask_irq);
-
-void wmt_gpio_unmask_irq(unsigned int gpio)
-{
-	int offset = gpio - CHIP_GPIO_BASE;
-	int irqindex = wmt_gpios[offset].irqnum;
-
-	_set_gpio_irqenable(irqindex, 1);
-}
-EXPORT_SYMBOL(wmt_gpio_unmask_irq);
-
-int wmt_gpio_set_irq_type(unsigned int gpio, u32 type)
-{
-	struct wmt_gpio_port *port = &wmt_gpio_port;
-	int offset = gpio - CHIP_GPIO_BASE;
-	int irqindex = wmt_gpios[offset].irqnum;
-	int edge;
-	u32 reg, val;
-
-	switch (type) {
-	case IRQ_TYPE_EDGE_RISING:
-		edge = GPIO_INT_RISE_EDGE;
-		break;
-	case IRQ_TYPE_EDGE_FALLING:
-		edge = GPIO_INT_FALL_EDGE;
-		break;
-	case IRQ_TYPE_EDGE_BOTH:
-		edge = GPIO_INT_BOTH_EDGE;
-		break;
-	case IRQ_TYPE_LEVEL_LOW:
-		edge = GPIO_INT_LOW_LEV;
-		break;
-	case IRQ_TYPE_LEVEL_HIGH:
-		edge = GPIO_INT_HIGH_LEV;
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	reg  = port->base + INTMASK_REGS + irqindex;
-	val = __raw_readb(reg) & 0xf8;
-	__raw_writeb(val | edge, reg);
-
-	_clear_gpio_irqstatus(irqindex);
-
-	return 0;
-}
-EXPORT_SYMBOL(wmt_gpio_set_irq_type);
-
-#ifdef WMT_GPIO_IRQ
-static void gpio_ack_irq(struct irq_data *d)
-{
-	struct wmt_gpio_port *port = &wmt_gpio_port;
-	int irqindex = d->irq - port->gpio_irq_no_base;
-
-	_clear_gpio_irqstatus(irqindex);
-}
-
-static void gpio_mask_irq(struct irq_data *d)
-{
-	struct wmt_gpio_port *port = &wmt_gpio_port;
-	int irqindex = d->irq - port->gpio_irq_no_base;
-
-	_set_gpio_irqenable(irqindex, 0);
-}
-
-static void gpio_unmask_irq(struct irq_data *d)
-{
-	struct wmt_gpio_port *port = &wmt_gpio_port;
-	int irqindex = d->irq - port->gpio_irq_no_base;
-
-	_set_gpio_irqenable(irqindex, 1);
-}
-
-static int gpio_set_irq_type(struct irq_data *d, u32 type)
-{
-	struct wmt_gpio_port *port = &wmt_gpio_port;
-	int edge, irqindex;
-	u32 reg, val;
-
-	switch (type) {
-	case IRQ_TYPE_EDGE_RISING:
-		edge = GPIO_INT_RISE_EDGE;
-		break;
-	case IRQ_TYPE_EDGE_FALLING:
-		edge = GPIO_INT_FALL_EDGE;
-		break;
-	case IRQ_TYPE_EDGE_BOTH:
-		edge = GPIO_INT_BOTH_EDGE;
-		break;
-	case IRQ_TYPE_LEVEL_LOW:
-		edge = GPIO_INT_LOW_LEV;
-		break;
-	case IRQ_TYPE_LEVEL_HIGH:
-		edge = GPIO_INT_HIGH_LEV;
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	irqindex = d->irq - port->gpio_irq_no_base;
-	reg  = port->base + INTMASK_REGS + irqindex;
-	val = __raw_readb(reg) & 0xf8;
-	__raw_writeb(val | edge, reg);
-
-	_clear_gpio_irqstatus(irqindex);
-
-	return 0;
-}
-
-/* WMT has one interrupt *for all* gpio ports */
-static void wmt_gpio_irq_handler(u32 irq, struct irq_desc *desc)
-{
-	int i;
-	u32 irq_msk, irq_stat;
-	struct wmt_gpio_port *port = &wmt_gpio_port;
-
-	/* walk through all interrupt status registers */
-	for (i = 0; i < 4; i++) {
-		irq_msk = __raw_readl(port->base + INTMASK_REGS + i*4);
-		if (!irq_msk)
-			continue;
-
-		irq_stat = __raw_readl(port->base + INTSTAT_REGS + i*4) & irq_msk;
-		while (irq_stat != 0) {
-			int irqoffset = fls(irq_stat) - 1;
-
-			generic_handle_irq(port->gpio_irq_no_base + i*32 + irqoffset);
-
-			irq_stat &= ~(1 << irqoffset);
-		}
-	}
-}
-
-static struct irq_chip gpio_irq_chip = {
-	.name = "GPIO",
-	.irq_ack = gpio_ack_irq,
-	.irq_mask = gpio_mask_irq,
-	.irq_unmask = gpio_unmask_irq,
-	.irq_set_type = gpio_set_irq_type,
-};
-#endif
-
-static int wmt_gpio_request(struct gpio_chip *chip, unsigned offset)
-{
-	struct wmt_gpio_port *port = to_wmt(chip);
-	uint32_t base = port->base;
-	uint8_t regoff = wmt_gpios[offset].regoff;
-	uint8_t shift  = wmt_gpios[offset].shift;
-	uint8_t val;
-
-	unsigned long flags;
-
-	spin_lock_irqsave(&port->lock, flags);
-
-	WARN_ON(offset >= ARRAY_SIZE(wmt_gpios));
-
-	val = readb(base + ENABLE_REGS + regoff);
-	val |= (1 << shift);
-	writeb(val, base + ENABLE_REGS + regoff);
-
-	spin_unlock_irqrestore(&port->lock, flags);
-	return 0;
-}
-
-static void wmt_gpio_free(struct gpio_chip *chip, unsigned offset)
-{
-	struct wmt_gpio_port *port = to_wmt(chip);
-//	uint32_t base = port->base;
-//	uint8_t regoff = wmt_gpios[offset].regoff;
-//	uint8_t shift  = wmt_gpios[offset].shift;
-//	uint8_t val;
-
-	unsigned long flags;
-
-	spin_lock_irqsave(&port->lock, flags);
-
-	WARN_ON(offset >= ARRAY_SIZE(wmt_gpios));
-
-//	val = readb(base + ENABLE_REGS + regoff);
-//	val &= ~(1 << shift);
-//	writeb(val, base + ENABLE_REGS + regoff);
-
-	spin_unlock_irqrestore(&port->lock, flags);
-}
-
-static void _set_gpio_direction(struct gpio_chip *chip, unsigned offset, int dir)
-{
-	struct wmt_gpio_port *port = to_wmt(chip);
-	uint32_t base = port->base;
-	uint8_t regoff = wmt_gpios[offset].regoff;
-	uint8_t shift  = wmt_gpios[offset].shift;
-	uint8_t val;
-	unsigned long flags;
-
-	spin_lock_irqsave(&port->lock, flags);
-
-	WARN_ON(offset >= ARRAY_SIZE(wmt_gpios));
-
-	val = readb(base + DIRECTION_REGS + regoff);
-	if (dir)
-		val |= (1 << shift);
-	else
-		val &= ~(1 << shift);
-	writeb(val, base + DIRECTION_REGS + regoff);
-
-	spin_unlock_irqrestore(&port->lock, flags);
-}
-
-static int wmt_gpio_get_value(struct gpio_chip *chip, unsigned offset)
-{
-	struct wmt_gpio_port *port = to_wmt(chip);
-	uint32_t base = port->base;
-	uint8_t regoff = wmt_gpios[offset].regoff;
-	uint8_t shift  = wmt_gpios[offset].shift;
-	uint8_t val;
-	int dir;
-
-	WARN_ON(offset >= ARRAY_SIZE(wmt_gpios));
-
-	val = readb(base + DIRECTION_REGS + regoff);
-	dir = (val >> shift) & 1;
-
-	if (dir)
-		return (readb(base + OUTVALUE_REGS + regoff) >> shift) & 1;
-	else
-		return (readb(base + INVALUE_REGS + regoff) >> shift) & 1;
-}
-
-static void wmt_gpio_set_value(struct gpio_chip *chip,
-			       unsigned offset, int value)
-{
-	struct wmt_gpio_port *port = to_wmt(chip);
-	uint32_t base = port->base;
-	uint8_t regoff = wmt_gpios[offset].regoff;
-	uint8_t shift  = wmt_gpios[offset].shift;
-	uint8_t val;
-	unsigned long flags;
-
-	spin_lock_irqsave(&port->lock, flags);
-
-	WARN_ON(offset >= ARRAY_SIZE(wmt_gpios));
-
-	val = readb(base + OUTVALUE_REGS + regoff);
-
-	if (value)
-		val |= (1 << shift);
-	else
-		val &= ~(1 << shift);
-
-	writeb(val, base + OUTVALUE_REGS + regoff);
-
-	spin_unlock_irqrestore(&port->lock, flags);
-}
-
-static int wmt_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
-{
-	_set_gpio_direction(chip, offset, 0);
-	return 0;
-}
-
-static int wmt_gpio_direction_output(struct gpio_chip *chip,
-				     unsigned offset, int value)
-{
-	wmt_gpio_set_value(chip, offset, value);
-	_set_gpio_direction(chip, offset, 1);
-	return 0;
-}
-
-static void _set_gpio_pullenable(unsigned offset, int enable)
-{
-	struct wmt_gpio_port *port = &wmt_gpio_port;
-	uint32_t base = port->base;
-	uint8_t regoff = wmt_gpios[offset].regoff;
-	uint8_t shift  = wmt_gpios[offset].shift;
-	uint8_t val;
-	unsigned long flags;
-
-	spin_lock_irqsave(&port->lock, flags);
-
-	WARN_ON(offset >= ARRAY_SIZE(wmt_gpios));
-
-	val = readb(base + PULLENABLE_REGS + regoff);
-	if (enable)
-		val |= (1 << shift);
-	else
-		val &= ~(1 << shift);
-	writeb(val, base + PULLENABLE_REGS + regoff);
-
-	spin_unlock_irqrestore(&port->lock, flags);
-}
-
-static void _set_gpio_pullup(unsigned offset, int up)
-{
-	struct wmt_gpio_port *port = &wmt_gpio_port;
-	uint32_t base = port->base;
-	uint8_t regoff = wmt_gpios[offset].regoff;
-	uint8_t shift  = wmt_gpios[offset].shift;
-	uint8_t val;
-	unsigned long flags;
-
-	spin_lock_irqsave(&port->lock, flags);
-
-	WARN_ON(offset >= ARRAY_SIZE(wmt_gpios));
-
-	val = readb(base + PULLCONTROL_REGS + regoff);
-	if (up)
-		val |= (1 << shift);
-	else
-		val &= ~(1 << shift);
-	writeb(val, base + PULLCONTROL_REGS + regoff);
-
-	spin_unlock_irqrestore(&port->lock, flags);
-}
-
-int wmt_gpio_setpull(unsigned int gpio, enum wmt_gpio_pulltype pull)
-{
-	int offset = gpio - CHIP_GPIO_BASE;
-
-	switch (pull) {
-	case WMT_GPIO_PULL_NONE:
-		_set_gpio_pullenable(offset, 0);
-		break;
-	case WMT_GPIO_PULL_UP:
-		_set_gpio_pullenable(offset, 1);
-		_set_gpio_pullup(offset, 1);
-		break;
-	case WMT_GPIO_PULL_DOWN:
-		_set_gpio_pullenable(offset, 1);
-		_set_gpio_pullup(offset, 0);
-		break;
-	default:
-		return -EINVAL;
-	}
-	return 0;
-}
-
-static int _get_gpio_pull(unsigned offset)
-{
-	struct wmt_gpio_port *port = &wmt_gpio_port;
-	uint32_t base = port->base;
-	uint8_t regoff = wmt_gpios[offset].regoff;
-	uint8_t shift  = wmt_gpios[offset].shift;
-	uint8_t val;
-	int dir;
-
-	WARN_ON(offset >= ARRAY_SIZE(wmt_gpios));
-
-	val = readb(base + DIRECTION_REGS + regoff);
-	dir = (val >> shift) & 1;
-
-	if (dir)
-		return (readb(base + OUTVALUE_REGS + regoff) >> shift) & 1;
-	else
-		return (readb(base + INVALUE_REGS + regoff) >> shift) & 1;
-}
-
-
-int wmt_gpio_getpull(unsigned int gpio)
-{
-	int offset = gpio - CHIP_GPIO_BASE;
-
-	return _get_gpio_pull(offset);
-}
-
-EXPORT_SYMBOL(wmt_gpio_setpull);
-EXPORT_SYMBOL(wmt_gpio_getpull);
-
-#ifdef WMT_GPIO_IRQ
-static int wmt_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
-{
-	struct wmt_gpio_port *port = &wmt_gpio_port;
-
-	WARN_ON(offset >= ARRAY_SIZE(wmt_gpios));
-
-	if (wmt_gpios[offset].irqnum < 0)
-		return -EINVAL;
-
-	return port->gpio_irq_no_base + wmt_gpios[offset].irqnum;
-}
-#endif
-
-static struct wmt_gpio_port wmt_gpio_port = {
-	.base = GPIO_BASE_ADDR,
-#ifdef WMT_GPIO_IRQ
-	.gpio_irq_no_base = WMT_GPIO_IRQ_START,
-	.gpio_irq_nr = WMT_GPIO_IRQS,
-#endif
-	.chip = {
-		.label			= "wmt-gpio",
-		.direction_input	= wmt_gpio_direction_input,
-		.direction_output	= wmt_gpio_direction_output,
-		.request		= wmt_gpio_request,
-		.free			= wmt_gpio_free,
-		.get			= wmt_gpio_get_value,
-		.set			= wmt_gpio_set_value,
-#ifdef WMT_GPIO_IRQ
-		.to_irq			= wmt_gpio_to_irq,
-#endif
-		.can_sleep		= 0,
-		.base			= CHIP_GPIO_BASE,
-		.ngpio			= ARRAY_SIZE(wmt_gpios),
-	},
-};
-
-void __init wmt_gpio_init(void)
-{
-#ifdef WMT_GPIO_IRQ
-	int irq;
-#endif
-
-	spin_lock_init(&wmt_gpio_port.lock);
-	BUG_ON(gpiochip_add(&wmt_gpio_port.chip) < 0);
-
-	/* XXX conflict with touchscreen irq */
-#ifdef WMT_GPIO_IRQ
-	for (irq = wmt_gpio_port.gpio_irq_no_base;
-	     irq < wmt_gpio_port.gpio_irq_no_base + wmt_gpio_port.gpio_irq_nr;
-	     irq++) {
-		irq_set_chip_and_handler(irq, &gpio_irq_chip, handle_level_irq);
-		set_irq_flags(irq, IRQF_VALID);
-	}
-
-	irq_set_chained_handler(IRQ_GPIO, wmt_gpio_irq_handler);
-#endif
-}
-
-const char *wmt_gpio_name(int gpio)
-{
-	if (gpio >= ARRAY_SIZE(wmt_gpios)) {
-		pr_err("wmt: can not find gpio-%d\n", gpio);
-		return NULL;
-	}
-
-	return wmt_gpios[gpio].label;
-}
-
-#ifdef CONFIG_DEBUG_FS
-
-static int wmt_gpio_show(struct seq_file *s, void *unused)
-{
-	unsigned i;
-
-	seq_printf(s, "GPIONUM  , REGOFF , SHIFT , MACRO NAME\n");
-	seq_printf(s, "---------+--------+-------+-----------\n");
-
-	for (i = 0; i < wmt_gpio_port.chip.ngpio; i++) {
-		seq_printf(s, "gpio-%-3d ,  0x%02x  ,    %d  , %s",
-			   i, wmt_gpios[i].regoff, wmt_gpios[i].shift, wmt_gpios[i].label);
-		seq_printf(s, "\n");
-	}
-	return 0;
-}
-
-static int wmt_gpio_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, wmt_gpio_show, NULL);
-}
-
-static const struct file_operations wmt_gpio_operations = {
-	.open		= wmt_gpio_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= single_release,
-};
-
-static int __init wmt_gpio_debugfs_init(void)
-{
-	/* /sys/kernel/debug/wmt-gpio */
-	(void) debugfs_create_file("wmt-gpio", S_IFREG | S_IRUGO,
-				   NULL, NULL, &wmt_gpio_operations);
-	return 0;
-}
-subsys_initcall(wmt_gpio_debugfs_init);
-
-#endif	/* DEBUG_FS */
-