[xburst] Drop support for older kernel versions

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@24915 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 0 insertions, 510 deletions

diff --git a/target/linux/xburst/patches-2.6.35/800-n516-lpc.patch b/target/linux/xburst/patches-2.6.35/800-n516-lpc.patch
deleted file mode 100644
index 9194f106f4..0000000000
--- a/target/linux/xburst/patches-2.6.35/800-n516-lpc.patch
+++ /dev/null
@@ -1,510 +0,0 @@
-From a607edde7251b573d84f7e0286d60138ecb5bc21 Mon Sep 17 00:00:00 2001
-From: Lars-Peter Clausen <lars@metafoo.de>
-Date: Wed, 12 May 2010 14:22:36 +0200
-Subject: [PATCH] Add n516 lpc driver
-
----
- drivers/misc/Kconfig    |    8 +
- drivers/misc/Makefile   |    1 +
- drivers/misc/n516-lpc.c |  471 +++++++++++++++++++++++++++++++++++++++++++++++
- 3 files changed, 480 insertions(+), 0 deletions(-)
- create mode 100644 drivers/misc/n516-lpc.c
-
---- a/drivers/misc/Kconfig
-+++ b/drivers/misc/Kconfig
-@@ -353,6 +353,14 @@ config VMWARE_BALLOON
- 	  To compile this driver as a module, choose M here: the
- 	  module will be called vmware_balloon.
- 
-+config N516_LPC
-+	tristate "N516 keys & power controller"
-+	depends on I2C
-+	depends on INPUT
-+	depends on POWER_SUPPLY
-+	help
-+	  N516 keyboard & power controller driver
-+
- source "drivers/misc/c2port/Kconfig"
- source "drivers/misc/eeprom/Kconfig"
- source "drivers/misc/cb710/Kconfig"
---- a/drivers/misc/Makefile
-+++ b/drivers/misc/Makefile
-@@ -31,3 +31,4 @@ obj-$(CONFIG_IWMC3200TOP)      += iwmc32
- obj-y				+= eeprom/
- obj-y				+= cb710/
- obj-$(CONFIG_VMWARE_BALLOON)	+= vmware_balloon.o
-+obj-$(CONFIG_N516_LPC)		+= n516-lpc.o
---- /dev/null
-+++ b/drivers/misc/n516-lpc.c
-@@ -0,0 +1,471 @@
-+#include <linux/module.h>
-+#include <linux/version.h>
-+#include <linux/init.h>
-+#include <linux/fs.h>
-+#include <linux/interrupt.h>
-+#include <linux/irq.h>
-+#include <linux/sched.h>
-+#include <linux/pm.h>
-+#include <linux/sysctl.h>
-+#include <linux/proc_fs.h>
-+#include <linux/delay.h>
-+#include <linux/platform_device.h>
-+#include <linux/input.h>
-+#include <linux/power_supply.h>
-+#include <linux/suspend.h>
-+
-+#include <linux/i2c.h>
-+
-+#include <asm/mach-jz4740/irq.h>
-+#include <asm/mach-jz4740/gpio.h>
-+#include <asm/mach-jz4740/board-n516.h>
-+
-+static int batt_level=0;
-+module_param(batt_level, int, 0);
-+
-+struct n516_lpc_chip {
-+	struct i2c_client	*i2c_client;
-+	struct input_dev	*input;
-+	unsigned int		battery_level;
-+	unsigned int		suspending:1, can_sleep:1;
-+};
-+
-+static struct n516_lpc_chip *the_lpc;
-+
-+struct i2c_device_id n516_lpc_i2c_ids[] = {
-+	{"LPC524", 0},
-+	{},
-+};
-+
-+MODULE_DEVICE_TABLE(i2c, n516_lpc_i2c_ids);
-+
-+static const unsigned short normal_i2c[] = I2C_ADDRS(0x54);
-+
-+static const unsigned int n516_lpc_keymap[] = {
-+	[0x01] = KEY_4,
-+	[0x02] = KEY_3,
-+	[0x03] = KEY_2,
-+	[0x04] = KEY_1,
-+	[0x05] = KEY_0,
-+	[0x07] = KEY_9,
-+	[0x08] = KEY_8,
-+	[0x09] = KEY_7,
-+	[0x0a] = KEY_6,
-+	[0x0b] = KEY_5,
-+	[0x0d] = KEY_PLAYPAUSE,
-+	[0x0e] = KEY_MENU,
-+	[0x0f] = KEY_SEARCH,
-+	[0x10] = KEY_DIRECTION,
-+	[0x11] = KEY_SPACE,
-+	[0x13] = KEY_ENTER,
-+	[0x14] = KEY_UP,
-+	[0x15] = KEY_DOWN,
-+	[0x16] = KEY_RIGHT,
-+	[0x17] = KEY_LEFT,
-+	[0x19] = KEY_PAGEDOWN,
-+	[0x1a] = KEY_PAGEUP,
-+	[0x1c] = KEY_POWER,
-+	[0x1d] = KEY_ESC,
-+	[0x1e] = KEY_SLEEP,
-+	[0x1f] = KEY_WAKEUP,
-+};
-+
-+static const unsigned int batt_charge[] = {0, 7, 20, 45, 65, 80, 100};
-+#define MAX_BAT_LEVEL	6
-+
-+static inline int n516_bat_charging(void)
-+{
-+	return !gpio_get_value(GPIO_CHARG_STAT_N);
-+}
-+
-+static int n516_bat_get_status(struct power_supply *b)
-+{
-+	if (power_supply_am_i_supplied(b)) {
-+		if (n516_bat_charging())
-+			return POWER_SUPPLY_STATUS_CHARGING;
-+		else
-+			return POWER_SUPPLY_STATUS_FULL;
-+	} else {
-+		return POWER_SUPPLY_STATUS_DISCHARGING;
-+	}
-+}
-+
-+static int n516_bat_get_charge(struct power_supply *b)
-+{
-+	return batt_charge[the_lpc->battery_level];
-+}
-+
-+static int n516_bat_get_property(struct power_supply *b,
-+		enum power_supply_property psp,
-+		union power_supply_propval *val)
-+{
-+	switch (psp) {
-+	case POWER_SUPPLY_PROP_STATUS:
-+		val->intval = n516_bat_get_status(b);
-+		break;
-+	case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
-+		val->intval = 100;
-+		break;
-+	case POWER_SUPPLY_PROP_CHARGE_EMPTY_DESIGN:
-+		val->intval = 0;
-+		break;
-+	case POWER_SUPPLY_PROP_CHARGE_NOW:
-+		val->intval = n516_bat_get_charge(b);
-+		break;
-+	default:
-+		return -EINVAL;
-+	}
-+	return 0;
-+}
-+
-+static void n516_bat_power_changed(struct power_supply *p)
-+{
-+	if (power_supply_am_i_supplied(p) && !n516_bat_charging())
-+		the_lpc->battery_level = MAX_BAT_LEVEL;
-+
-+	power_supply_changed(p);
-+}
-+
-+static enum power_supply_property n516_bat_properties[] = {
-+	POWER_SUPPLY_PROP_STATUS,
-+	POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
-+	POWER_SUPPLY_PROP_CHARGE_EMPTY_DESIGN,
-+	POWER_SUPPLY_PROP_CHARGE_NOW,
-+};
-+
-+static struct power_supply n516_battery = {
-+	.name		= "n516-battery",
-+	.get_property	= n516_bat_get_property,
-+	.properties	= n516_bat_properties,
-+	.num_properties	= ARRAY_SIZE(n516_bat_properties),
-+	.external_power_changed = n516_bat_power_changed,
-+};
-+
-+static irqreturn_t n516_bat_charge_irq(int irq, void *dev)
-+{
-+	struct power_supply *psy = dev;
-+
-+	dev_dbg(psy->dev, "Battery charging IRQ\n");
-+
-+	if (power_supply_am_i_supplied(psy) && !n516_bat_charging())
-+		the_lpc->battery_level = MAX_BAT_LEVEL;
-+
-+	power_supply_changed(psy);
-+
-+	return IRQ_HANDLED;
-+}
-+
-+static int n516_lpc_send_message(struct n516_lpc_chip *chip, unsigned char val)
-+{
-+	struct i2c_client *client = chip->i2c_client;
-+	struct i2c_msg msg = {client->addr, client->flags, 1, &val};
-+	int ret = 0;
-+
-+	ret = i2c_transfer(client->adapter, &msg, 1);
-+	return ret > 0 ? 0 : ret;
-+}
-+
-+static void n516_key_event(struct n516_lpc_chip *chip, unsigned char keycode)
-+{
-+	struct i2c_client *client = chip->i2c_client;
-+	bool long_press = false;
-+
-+	if (keycode & 0x40) {
-+		keycode &= ~0x40;
-+		long_press = true;
-+	}
-+
-+	dev_dbg(&client->dev, "keycode: 0x%02x, long_press: 0x%02x\n", keycode, (unsigned int)long_press);
-+
-+	if (keycode >= ARRAY_SIZE(n516_lpc_keymap) || n516_lpc_keymap[keycode] == 0)
-+		return;
-+
-+	if (long_press)
-+		input_report_key(chip->input, KEY_LEFTALT, 1);
-+
-+	input_report_key(chip->input, n516_lpc_keymap[keycode], 1);
-+	input_sync(chip->input);
-+	input_report_key(chip->input, n516_lpc_keymap[keycode], 0);
-+
-+	if (long_press)
-+		input_report_key(chip->input, KEY_LEFTALT, 0);
-+	input_sync(chip->input);
-+}
-+
-+static void n516_battery_event(struct n516_lpc_chip *chip, unsigned char battery_level)
-+{
-+	if (battery_level != chip->battery_level) {
-+		chip->battery_level = battery_level;
-+		power_supply_changed(&n516_battery);
-+	}
-+}
-+
-+static irqreturn_t n516_lpc_irq_thread(int irq, void *devid)
-+{
-+	struct n516_lpc_chip *chip = (struct n516_lpc_chip*)devid;
-+	int ret;
-+	unsigned char raw_msg;
-+	struct i2c_client *client = chip->i2c_client;
-+	struct i2c_msg msg = {client->addr, client->flags | I2C_M_RD, 1, &raw_msg};
-+
-+	if (client->dev.power.status >= DPM_OFF)
-+		return IRQ_HANDLED;
-+
-+	ret = i2c_transfer(client->adapter, &msg, 1);
-+	if (ret != 1) {
-+		dev_dbg(&client->dev, "I2C error: %d\n", ret);
-+		return IRQ_HANDLED;
-+	}
-+
-+	dev_dbg(&client->dev, "msg: 0x%02x\n", raw_msg);
-+
-+	/* Ack wakeup event */
-+	if ((raw_msg & ~0x40) < ARRAY_SIZE(n516_lpc_keymap))
-+		n516_key_event(chip, raw_msg);
-+	else if ((raw_msg >= 0x81) && (raw_msg <= 0x87))
-+		n516_battery_event(chip, raw_msg - 0x81);
-+	else if (raw_msg == 0x7e)
-+		n516_lpc_send_message(chip, 0x00);
-+	else
-+		dev_warn(&client->dev, "Unknown message: %x\n", raw_msg);
-+
-+	if (chip->suspending)
-+		chip->can_sleep = 0;
-+
-+	return IRQ_HANDLED;
-+}
-+
-+static void n516_lpc_power_off(void)
-+{
-+	struct i2c_client *client = the_lpc->i2c_client;
-+	unsigned char val = 0x01;
-+	struct i2c_msg msg = {client->addr, client->flags, 1, &val};
-+
-+	printk("Issue LPC POWEROFF command...\n");
-+	while (1)
-+		i2c_transfer(client->adapter, &msg, 1);
-+}
-+
-+static int n516_lpc_detect(struct i2c_client *client, struct i2c_board_info *info)
-+{
-+	return 0;
-+}
-+
-+static int n516_lpc_suspend_notifier(struct notifier_block *nb,
-+		                                unsigned long event,
-+						void *dummy)
-+{
-+	switch(event) {
-+	case PM_SUSPEND_PREPARE:
-+		the_lpc->suspending = 1;
-+		the_lpc->can_sleep = 1;
-+		break;
-+	case PM_POST_SUSPEND:
-+		the_lpc->suspending = 0;
-+		the_lpc->can_sleep = 1;
-+		break;
-+	default:
-+		return NOTIFY_DONE;
-+	}
-+	return NOTIFY_OK;
-+}
-+
-+static struct notifier_block n516_lpc_notif_block = {
-+	.notifier_call = n516_lpc_suspend_notifier,
-+};
-+
-+static int __devinit n516_lpc_probe(struct i2c_client *client, const struct i2c_device_id *id)
-+{
-+	struct n516_lpc_chip *chip;
-+	struct input_dev *input;
-+	int ret = 0;
-+	int i;
-+
-+	chip = kzalloc(sizeof(*chip), GFP_KERNEL);
-+	if (!chip)
-+		return -ENOMEM;
-+
-+	the_lpc = chip;
-+	chip->i2c_client = client;
-+	if ((batt_level > 0) && (batt_level < ARRAY_SIZE(batt_charge)))
-+		chip->battery_level = batt_level;
-+	else
-+		chip->battery_level = 1;
-+
-+	i2c_set_clientdata(client, chip);
-+
-+	ret = gpio_request(GPIO_LPC_INT, "LPC interrupt request");
-+	if (ret) {
-+		dev_err(&client->dev, "Unable to reguest LPC INT GPIO\n");
-+		goto err_gpio_req_lpcint;
-+	}
-+
-+	ret = gpio_request(GPIO_CHARG_STAT_N, "LPC charging status");
-+	if (ret) {
-+		dev_err(&client->dev, "Unable to reguest CHARG STAT GPIO\n");
-+		goto err_gpio_req_chargstat;
-+	}
-+
-+	/* Enter normal mode */
-+	n516_lpc_send_message(chip, 0x2);
-+
-+	input = input_allocate_device();
-+	if (!input) {
-+		dev_err(&client->dev, "Unable to allocate input device\n");
-+		ret = -ENOMEM;
-+		goto err_input_alloc;
-+	}
-+
-+	chip->input = input;
-+
-+	__set_bit(EV_KEY, input->evbit);
-+
-+	for (i = 0; i < ARRAY_SIZE(n516_lpc_keymap); i++)
-+		__set_bit(n516_lpc_keymap[i], input->keybit);
-+
-+	__set_bit(KEY_LEFTALT, input->keybit);
-+
-+	input->name = "n516-keys";
-+	input->phys = "n516-keys/input0";
-+	input->dev.parent = &client->dev;
-+	input->id.bustype = BUS_I2C;
-+	input->id.vendor = 0x0001;
-+	input->id.product = 0x0001;
-+	input->id.version = 0x0100;
-+
-+	ret = input_register_device(input);
-+	if (ret < 0) {
-+		dev_err(&client->dev, "Unable to register input device\n");
-+		goto err_input_register;
-+	}
-+
-+	ret = power_supply_register(NULL, &n516_battery);
-+	if (ret) {
-+		dev_err(&client->dev, "Unable to register N516 battery\n");
-+		goto err_bat_reg;
-+	}
-+
-+	ret = request_threaded_irq(gpio_to_irq(GPIO_LPC_INT), NULL,
-+					n516_lpc_irq_thread,
-+					IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
-+					"lpc", chip);
-+	if (ret) {
-+		dev_err(&client->dev, "request_irq failed: %d\n", ret);
-+		goto err_request_lpc_irq;
-+	}
-+
-+	ret = request_irq(gpio_to_irq(GPIO_CHARG_STAT_N), n516_bat_charge_irq,
-+				IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
-+				"battery charging", &n516_battery);
-+	if (ret) {
-+		dev_err(&client->dev, "Unable to claim battery charging IRQ\n");
-+		goto err_request_chrg_irq;
-+	}
-+
-+	pm_power_off = n516_lpc_power_off;
-+	ret = register_pm_notifier(&n516_lpc_notif_block);
-+	if (ret) {
-+		dev_err(&client->dev, "Unable to register PM notify block\n");
-+		goto err_reg_pm_notifier;
-+	}
-+
-+	device_init_wakeup(&client->dev, 1);
-+
-+	return 0;
-+
-+	unregister_pm_notifier(&n516_lpc_notif_block);
-+err_reg_pm_notifier:
-+	free_irq(gpio_to_irq(GPIO_CHARG_STAT_N), &n516_battery);
-+err_request_chrg_irq:
-+	free_irq(gpio_to_irq(GPIO_LPC_INT), chip);
-+err_request_lpc_irq:
-+	power_supply_unregister(&n516_battery);
-+err_bat_reg:
-+	input_unregister_device(input);
-+err_input_register:
-+	input_free_device(input);
-+err_input_alloc:
-+	gpio_free(GPIO_CHARG_STAT_N);
-+err_gpio_req_chargstat:
-+	gpio_free(GPIO_LPC_INT);
-+err_gpio_req_lpcint:
-+	i2c_set_clientdata(client, NULL);
-+	kfree(chip);
-+
-+	return ret;
-+}
-+
-+static int __devexit n516_lpc_remove(struct i2c_client *client)
-+{
-+	struct n516_lpc_chip *chip = i2c_get_clientdata(client);
-+
-+	unregister_pm_notifier(&n516_lpc_notif_block);
-+	pm_power_off = NULL;
-+	free_irq(gpio_to_irq(GPIO_CHARG_STAT_N), &n516_battery);
-+	free_irq(gpio_to_irq(GPIO_LPC_INT), chip);
-+	power_supply_unregister(&n516_battery);
-+	input_unregister_device(chip->input);
-+	gpio_free(GPIO_CHARG_STAT_N);
-+	gpio_free(GPIO_LPC_INT);
-+	i2c_set_clientdata(client, NULL);
-+	kfree(chip);
-+
-+	return 0;
-+}
-+
-+#if CONFIG_PM
-+static int n516_lpc_suspend(struct i2c_client *client, pm_message_t msg)
-+{
-+	if (!the_lpc->can_sleep)
-+		return -EBUSY;
-+
-+	if (device_may_wakeup(&client->dev))
-+		enable_irq_wake(gpio_to_irq(GPIO_LPC_INT));
-+
-+	return 0;
-+}
-+
-+static int n516_lpc_resume(struct i2c_client *client)
-+{
-+	if (device_may_wakeup(&client->dev))
-+		disable_irq_wake(gpio_to_irq(GPIO_LPC_INT));
-+
-+	return 0;
-+}
-+#else
-+#define n516_lpc_suspend NULL
-+#define n516_lpc_resume NULL
-+#endif
-+
-+
-+static struct i2c_driver n516_lpc_driver = {
-+	.class		= I2C_CLASS_HWMON,
-+	.driver		= {
-+		.name	= "n516-keys",
-+		.owner	= THIS_MODULE,
-+	},
-+	.probe		= n516_lpc_probe,
-+	.remove		= __devexit_p(n516_lpc_remove),
-+	.detect		= n516_lpc_detect,
-+	.id_table	= n516_lpc_i2c_ids,
-+	.address_list	= normal_i2c,
-+	.suspend	= n516_lpc_suspend,
-+	.resume		= n516_lpc_resume,
-+};
-+
-+static int __init n516_lpc_init(void)
-+{
-+	return i2c_add_driver(&n516_lpc_driver);
-+}
-+module_init(n516_lpc_init);
-+
-+static void __exit n516_lpc_exit(void)
-+{
-+	i2c_del_driver(&n516_lpc_driver);
-+}
-+module_exit(n516_lpc_exit);
-+
-+MODULE_AUTHOR("Yauhen Kharuzhy");
-+MODULE_LICENSE("GPL");
-+MODULE_DESCRIPTION("Keys and power controller driver for N516");
-+MODULE_ALIAS("platform:n516-keys");