From 554101e3e5f396b987c846332863a3fcdc87b1d6 Mon Sep 17 00:00:00 2001
From: Giel de Nijs <giel@caffeinetrip.com>
Date: Fri, 2 Nov 2007 09:08:02 -0400
Subject: Input: atkbd - properly handle special keys on Dell Latitudes

Most of Fn+F? special keys on (at least) the Dell Latitude laptops don't
generate a hardware key release event so the driver has to generate one.

Signed-off-by: Giel de Nijs <giel@caffeinetrip.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
 drivers/input/keyboard/atkbd.c | 89 ++++++++++++++++++++++++++++++++++--------
 1 file changed, 72 insertions(+), 17 deletions(-)

diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index b39c5b3..7162f79 100644
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -28,6 +28,7 @@
 #include <linux/workqueue.h>
 #include <linux/libps2.h>
 #include <linux/mutex.h>
+#include <linux/dmi.h>
 
 #define DRIVER_DESC	"AT and PS/2 keyboard driver"
 
@@ -201,6 +202,7 @@ struct atkbd {
 
 	unsigned short id;
 	unsigned char keycode[512];
+	DECLARE_BITMAP(force_release_mask, 512);
 	unsigned char set;
 	unsigned char translated;
 	unsigned char extra;
@@ -225,6 +227,11 @@ struct atkbd {
 	unsigned long event_mask;
 };
 
+/*
+ * System-specific ketymap fixup routine
+ */
+static void (*atkbd_platform_fixup)(struct atkbd *);
+
 static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf,
 				ssize_t (*handler)(struct atkbd *, char *));
 static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t count,
@@ -349,7 +356,7 @@ static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data,
 	struct atkbd *atkbd = serio_get_drvdata(serio);
 	struct input_dev *dev = atkbd->dev;
 	unsigned int code = data;
-	int scroll = 0, hscroll = 0, click = -1, add_release_event = 0;
+	int scroll = 0, hscroll = 0, click = -1;
 	int value;
 	unsigned char keycode;
 
@@ -414,14 +421,6 @@ static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data,
 				       "Some program might be trying access hardware directly.\n",
 				       data == ATKBD_RET_ACK ? "ACK" : "NAK", serio->phys);
 			goto out;
-		case ATKBD_RET_HANGEUL:
-		case ATKBD_RET_HANJA:
-			/*
-			 * These keys do not report release and thus need to be
-			 * flagged properly
-			 */
-			add_release_event = 1;
-			break;
 		case ATKBD_RET_ERR:
 			atkbd->err_count++;
 #ifdef ATKBD_DEBUG
@@ -491,7 +490,7 @@ static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data,
 			input_event(dev, EV_KEY, keycode, value);
 			input_sync(dev);
 
-			if (value && add_release_event) {
+			if (value && test_bit(code, atkbd->force_release_mask)) {
 				input_report_key(dev, keycode, 0);
 				input_sync(dev);
 			}
@@ -834,6 +833,22 @@ static void atkbd_disconnect(struct serio *serio)
 	kfree(atkbd);
 }
 
+/*
+ * Most special keys (Fn+F?) on Dell Latitudes do not generate release
+ * events so we have to do it ourselves.
+ */
+static void atkbd_latitude_keymap_fixup(struct atkbd *atkbd)
+{
+	const unsigned int forced_release_keys[] = {
+		0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8f, 0x93,
+	};
+	int i;
+
+	if (atkbd->set == 2)
+		for (i = 0; i < ARRAY_SIZE(forced_release_keys); i++)
+			__set_bit(forced_release_keys[i],
+				  atkbd->force_release_mask);
+}
 
 /*
  * atkbd_set_keycode_table() initializes keyboard's keycode table
@@ -842,17 +857,20 @@ static void atkbd_disconnect(struct serio *serio)
 
 static void atkbd_set_keycode_table(struct atkbd *atkbd)
 {
+	unsigned int scancode;
 	int i, j;
 
 	memset(atkbd->keycode, 0, sizeof(atkbd->keycode));
+	bitmap_zero(atkbd->force_release_mask, 512);
 
 	if (atkbd->translated) {
 		for (i = 0; i < 128; i++) {
-			atkbd->keycode[i] = atkbd_set2_keycode[atkbd_unxlate_table[i]];
-			atkbd->keycode[i | 0x80] = atkbd_set2_keycode[atkbd_unxlate_table[i] | 0x80];
+			scancode = atkbd_unxlate_table[i];
+			atkbd->keycode[i] = atkbd_set2_keycode[scancode];
+			atkbd->keycode[i | 0x80] = atkbd_set2_keycode[scancode | 0x80];
 			if (atkbd->scroll)
 				for (j = 0; j < ARRAY_SIZE(atkbd_scroll_keys); j++)
-					if ((atkbd_unxlate_table[i] | 0x80) == atkbd_scroll_keys[j].set2)
+					if ((scancode | 0x80) == atkbd_scroll_keys[j].set2)
 						atkbd->keycode[i | 0x80] = atkbd_scroll_keys[j].keycode;
 		}
 	} else if (atkbd->set == 3) {
@@ -861,12 +879,29 @@ static void atkbd_set_keycode_table(struct atkbd *atkbd)
 		memcpy(atkbd->keycode, atkbd_set2_keycode, sizeof(atkbd->keycode));
 
 		if (atkbd->scroll)
-			for (i = 0; i < ARRAY_SIZE(atkbd_scroll_keys); i++)
-				atkbd->keycode[atkbd_scroll_keys[i].set2] = atkbd_scroll_keys[i].keycode;
+			for (i = 0; i < ARRAY_SIZE(atkbd_scroll_keys); i++) {
+				scancode = atkbd_scroll_keys[i].set2;
+				atkbd->keycode[scancode] = atkbd_scroll_keys[i].keycode;
+		}
 	}
 
-	atkbd->keycode[atkbd_compat_scancode(atkbd, ATKBD_RET_HANGEUL)] = KEY_HANGUEL;
-	atkbd->keycode[atkbd_compat_scancode(atkbd, ATKBD_RET_HANJA)] = KEY_HANJA;
+/*
+ * HANGEUL and HANJA keys do not send release events so we need to
+ * generate such events ourselves
+ */
+	scancode = atkbd_compat_scancode(atkbd, ATKBD_RET_HANGEUL);
+	atkbd->keycode[scancode] = KEY_HANGEUL;
+	__set_bit(scancode, atkbd->force_release_mask);
+
+	scancode = atkbd_compat_scancode(atkbd, ATKBD_RET_HANJA);
+	atkbd->keycode[scancode] = KEY_HANJA;
+	__set_bit(scancode, atkbd->force_release_mask);
+
+/*
+ * Perform additional fixups
+ */
+	if (atkbd_platform_fixup)
+		atkbd_platform_fixup(atkbd);
 }
 
 /*
@@ -1401,9 +1436,29 @@ static ssize_t atkbd_show_err_count(struct atkbd *atkbd, char *buf)
 	return sprintf(buf, "%lu\n", atkbd->err_count);
 }
 
+static int __init atkbd_setup_fixup(const struct dmi_system_id *id)
+{
+	atkbd_platform_fixup = id->driver_data;
+	return 0;
+}
+
+static struct dmi_system_id atkbd_dmi_quirk_table[] __initdata = {
+	{
+		.ident = "Dell Latitude series",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Latitude"),
+		},
+		.callback = atkbd_setup_fixup,
+		.driver_data = atkbd_latitude_keymap_fixup,
+	},
+	{ }
+};
 
 static int __init atkbd_init(void)
 {
+	dmi_check_system(atkbd_dmi_quirk_table);
+
 	return serio_register_driver(&atkbd_drv);
 }
 
-- 
cgit v1.1


From f4f37c8ec7d2491c8885c890ba74254b9adfbeee Mon Sep 17 00:00:00 2001
From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Date: Sun, 4 Nov 2007 00:41:12 -0400
Subject: Input: Add proper locking when changing device's keymap

Take dev->event_lock to make sure that we don't race with input_event() and
also force key up event when removing a key from keymap table.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
 drivers/char/keyboard.c |  4 +--
 drivers/input/evdev.c   |  6 ++--
 drivers/input/input.c   | 78 +++++++++++++++++++++++++++++++++++++++++++++----
 include/linux/input.h   |  3 ++
 4 files changed, 80 insertions(+), 11 deletions(-)

diff --git a/drivers/char/keyboard.c b/drivers/char/keyboard.c
index fc54d23..5218d0d 100644
--- a/drivers/char/keyboard.c
+++ b/drivers/char/keyboard.c
@@ -194,7 +194,7 @@ int getkeycode(unsigned int scancode)
 	int error = -ENODEV;
 
 	list_for_each_entry(handle, &kbd_handler.h_list, h_node) {
-		error = handle->dev->getkeycode(handle->dev, scancode, &keycode);
+		error = input_get_keycode(handle->dev, scancode, &keycode);
 		if (!error)
 			return keycode;
 	}
@@ -208,7 +208,7 @@ int setkeycode(unsigned int scancode, unsigned int keycode)
 	int error = -ENODEV;
 
 	list_for_each_entry(handle, &kbd_handler.h_list, h_node) {
-		error = handle->dev->setkeycode(handle->dev, scancode, keycode);
+		error = input_set_keycode(handle->dev, scancode, keycode);
 		if (!error)
 			break;
 	}
diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index e5b4e9b..0727b0a 100644
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c
@@ -617,7 +617,7 @@ static long evdev_do_ioctl(struct file *file, unsigned int cmd,
 		if (get_user(t, ip))
 			return -EFAULT;
 
-		error = dev->getkeycode(dev, t, &v);
+		error = input_get_keycode(dev, t, &v);
 		if (error)
 			return error;
 
@@ -630,7 +630,7 @@ static long evdev_do_ioctl(struct file *file, unsigned int cmd,
 		if (get_user(t, ip) || get_user(v, ip + 1))
 			return -EFAULT;
 
-		return dev->setkeycode(dev, t, v);
+		return input_set_keycode(dev, t, v);
 
 	case EVIOCSFF:
 		if (copy_from_user(&effect, p, sizeof(effect)))
@@ -683,7 +683,7 @@ static long evdev_do_ioctl(struct file *file, unsigned int cmd,
 				case EV_FF:  bits = dev->ffbit;  len = FF_MAX;  break;
 				case EV_SW:  bits = dev->swbit;  len = SW_MAX;  break;
 				default: return -EINVAL;
-			}
+				}
 				return bits_to_user(bits, len, _IOC_SIZE(cmd), p, compat_mode);
 			}
 
diff --git a/drivers/input/input.c b/drivers/input/input.c
index a0be978..e1729e1 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -493,7 +493,7 @@ static void input_disconnect_device(struct input_dev *dev)
 	if (is_event_supported(EV_KEY, dev->evbit, EV_MAX)) {
 		for (code = 0; code <= KEY_MAX; code++) {
 			if (is_event_supported(code, dev->keybit, KEY_MAX) &&
-			    test_bit(code, dev->key)) {
+			    __test_and_clear_bit(code, dev->key)) {
 				input_pass_event(dev, EV_KEY, code, 0);
 			}
 		}
@@ -526,7 +526,7 @@ static int input_default_getkeycode(struct input_dev *dev,
 	if (!dev->keycodesize)
 		return -EINVAL;
 
-	if (scancode < 0 || scancode >= dev->keycodemax)
+	if (scancode >= dev->keycodemax)
 		return -EINVAL;
 
 	*keycode = input_fetch_keycode(dev, scancode);
@@ -540,10 +540,7 @@ static int input_default_setkeycode(struct input_dev *dev,
 	int old_keycode;
 	int i;
 
-	if (scancode < 0 || scancode >= dev->keycodemax)
-		return -EINVAL;
-
-	if (keycode < 0 || keycode > KEY_MAX)
+	if (scancode >= dev->keycodemax)
 		return -EINVAL;
 
 	if (!dev->keycodesize)
@@ -586,6 +583,75 @@ static int input_default_setkeycode(struct input_dev *dev,
 	return 0;
 }
 
+/**
+ * input_get_keycode - retrieve keycode currently mapped to a given scancode
+ * @dev: input device which keymap is being queried
+ * @scancode: scancode (or its equivalent for device in question) for which
+ *	keycode is needed
+ * @keycode: result
+ *
+ * This function should be called by anyone interested in retrieving current
+ * keymap. Presently keyboard and evdev handlers use it.
+ */
+int input_get_keycode(struct input_dev *dev, int scancode, int *keycode)
+{
+	if (scancode < 0)
+		return -EINVAL;
+
+	return dev->getkeycode(dev, scancode, keycode);
+}
+EXPORT_SYMBOL(input_get_keycode);
+
+/**
+ * input_get_keycode - assign new keycode to a given scancode
+ * @dev: input device which keymap is being updated
+ * @scancode: scancode (or its equivalent for device in question)
+ * @keycode: new keycode to be assigned to the scancode
+ *
+ * This function should be called by anyone needing to update current
+ * keymap. Presently keyboard and evdev handlers use it.
+ */
+int input_set_keycode(struct input_dev *dev, int scancode, int keycode)
+{
+	unsigned long flags;
+	int old_keycode;
+	int retval;
+
+	if (scancode < 0)
+		return -EINVAL;
+
+	if (keycode < 0 || keycode > KEY_MAX)
+		return -EINVAL;
+
+	spin_lock_irqsave(&dev->event_lock, flags);
+
+	retval = dev->getkeycode(dev, scancode, &old_keycode);
+	if (retval)
+		goto out;
+
+	retval = dev->setkeycode(dev, scancode, keycode);
+	if (retval)
+		goto out;
+
+	/*
+	 * Simulate keyup event if keycode is not present
+	 * in the keymap anymore
+	 */
+	if (test_bit(EV_KEY, dev->evbit) &&
+	    !is_event_supported(old_keycode, dev->keybit, KEY_MAX) &&
+	    __test_and_clear_bit(old_keycode, dev->key)) {
+
+		input_pass_event(dev, EV_KEY, old_keycode, 0);
+		if (dev->sync)
+			input_pass_event(dev, EV_SYN, SYN_REPORT, 1);
+	}
+
+ out:
+	spin_unlock_irqrestore(&dev->event_lock, flags);
+
+	return retval;
+}
+EXPORT_SYMBOL(input_set_keycode);
 
 #define MATCH_BIT(bit, max) \
 		for (i = 0; i < BITS_TO_LONGS(max); i++) \
diff --git a/include/linux/input.h b/include/linux/input.h
index 2075d6d..9a963fe 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -1309,6 +1309,9 @@ static inline void input_set_abs_params(struct input_dev *dev, int axis, int min
 	dev->absbit[BIT_WORD(axis)] |= BIT_MASK(axis);
 }
 
+int input_get_keycode(struct input_dev *dev, int scancode, int *keycode);
+int input_set_keycode(struct input_dev *dev, int scancode, int keycode);
+
 extern struct class input_class;
 
 /**
-- 
cgit v1.1


From 1953ea2d8df48f33d2a79042ae1b4a2d5f1548a3 Mon Sep 17 00:00:00 2001
From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Date: Sun, 4 Nov 2007 00:41:24 -0400
Subject: Input: keyspan_remote - add support for loadable keymaps

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
 drivers/input/misc/keyspan_remote.c | 118 ++++++++++++++++++++----------------
 1 file changed, 67 insertions(+), 51 deletions(-)

diff --git a/drivers/input/misc/keyspan_remote.c b/drivers/input/misc/keyspan_remote.c
index fd74347..86ddd72 100644
--- a/drivers/input/misc/keyspan_remote.c
+++ b/drivers/input/misc/keyspan_remote.c
@@ -46,53 +46,12 @@ MODULE_PARM_DESC(debug, "Enable extra debug messages and information");
 
 #define RECV_SIZE	8	/* The UIA-11 type have a 8 byte limit. */
 
-/* table of devices that work with this driver */
-static struct usb_device_id keyspan_table[] = {
-	{ USB_DEVICE(USB_KEYSPAN_VENDOR_ID, USB_KEYSPAN_PRODUCT_UIA11) },
-	{ }					/* Terminating entry */
-};
-
-/* Structure to store all the real stuff that a remote sends to us. */
-struct keyspan_message {
-	u16	system;
-	u8	button;
-	u8	toggle;
-};
-
-/* Structure used for all the bit testing magic needed to be done. */
-struct bit_tester {
-	u32	tester;
-	int	len;
-	int	pos;
-	int	bits_left;
-	u8	buffer[32];
-};
-
-/* Structure to hold all of our driver specific stuff */
-struct usb_keyspan {
-	char				name[128];
-	char				phys[64];
-	struct usb_device*		udev;
-	struct input_dev		*input;
-	struct usb_interface*		interface;
-	struct usb_endpoint_descriptor* in_endpoint;
-	struct urb*			irq_urb;
-	int				open;
-	dma_addr_t			in_dma;
-	unsigned char*			in_buffer;
-
-	/* variables used to parse messages from remote. */
-	struct bit_tester		data;
-	int				stage;
-	int				toggle;
-};
-
 /*
  * Table that maps the 31 possible keycodes to input keys.
  * Currently there are 15 and 17 button models so RESERVED codes
  * are blank areas in the mapping.
  */
-static const int keyspan_key_table[] = {
+static const unsigned short keyspan_key_table[] = {
 	KEY_RESERVED,		/* 0 is just a place holder. */
 	KEY_RESERVED,
 	KEY_STOP,
@@ -127,6 +86,48 @@ static const int keyspan_key_table[] = {
 	KEY_MENU
 };
 
+/* table of devices that work with this driver */
+static struct usb_device_id keyspan_table[] = {
+	{ USB_DEVICE(USB_KEYSPAN_VENDOR_ID, USB_KEYSPAN_PRODUCT_UIA11) },
+	{ }					/* Terminating entry */
+};
+
+/* Structure to store all the real stuff that a remote sends to us. */
+struct keyspan_message {
+	u16	system;
+	u8	button;
+	u8	toggle;
+};
+
+/* Structure used for all the bit testing magic needed to be done. */
+struct bit_tester {
+	u32	tester;
+	int	len;
+	int	pos;
+	int	bits_left;
+	u8	buffer[32];
+};
+
+/* Structure to hold all of our driver specific stuff */
+struct usb_keyspan {
+	char				name[128];
+	char				phys[64];
+	unsigned short			keymap[ARRAY_SIZE(keyspan_key_table)];
+	struct usb_device		*udev;
+	struct input_dev		*input;
+	struct usb_interface		*interface;
+	struct usb_endpoint_descriptor	*in_endpoint;
+	struct urb*			irq_urb;
+	int				open;
+	dma_addr_t			in_dma;
+	unsigned char			*in_buffer;
+
+	/* variables used to parse messages from remote. */
+	struct bit_tester		data;
+	int				stage;
+	int				toggle;
+};
+
 static struct usb_driver keyspan_driver;
 
 /*
@@ -173,6 +174,15 @@ static int keyspan_load_tester(struct usb_keyspan* dev, int bits_needed)
 	return 0;
 }
 
+static void keyspan_report_button(struct usb_keyspan *remote, int button, int press)
+{
+	struct input_dev *input = remote->input;
+
+	input_event(input, EV_MSC, MSC_SCAN, button);
+	input_report_key(input, remote->keymap[button], press);
+	input_sync(input);
+}
+
 /*
  * Routine that handles all the logic needed to parse out the message from the remote.
  */
@@ -311,9 +321,8 @@ static void keyspan_check_data(struct usb_keyspan *remote)
 			__FUNCTION__, message.system, message.button, message.toggle);
 
 		if (message.toggle != remote->toggle) {
-			input_report_key(remote->input, keyspan_key_table[message.button], 1);
-			input_report_key(remote->input, keyspan_key_table[message.button], 0);
-			input_sync(remote->input);
+			keyspan_report_button(remote, message.button, 1);
+			keyspan_report_button(remote, message.button, 0);
 			remote->toggle = message.toggle;
 		}
 
@@ -491,16 +500,21 @@ static int keyspan_probe(struct usb_interface *interface, const struct usb_devic
 
 	usb_make_path(udev, remote->phys, sizeof(remote->phys));
 	strlcat(remote->phys, "/input0", sizeof(remote->phys));
+	memcpy(remote->keymap, keyspan_key_table, sizeof(remote->keymap));
 
 	input_dev->name = remote->name;
 	input_dev->phys = remote->phys;
 	usb_to_input_id(udev, &input_dev->id);
 	input_dev->dev.parent = &interface->dev;
+	input_dev->keycode = remote->keymap;
+	input_dev->keycodesize = sizeof(unsigned short);
+	input_dev->keycodemax = ARRAY_SIZE(remote->keymap);
 
-	input_dev->evbit[0] = BIT_MASK(EV_KEY);		/* We will only report KEY events. */
+	input_set_capability(input_dev, EV_MSC, MSC_SCAN);
+	__set_bit(EV_KEY, input_dev->evbit);
 	for (i = 0; i < ARRAY_SIZE(keyspan_key_table); i++)
-		if (keyspan_key_table[i] != KEY_RESERVED)
-			set_bit(keyspan_key_table[i], input_dev->keybit);
+		__set_bit(keyspan_key_table[i], input_dev->keybit);
+	__clear_bit(KEY_RESERVED, input_dev->keybit);
 
 	input_set_drvdata(input_dev, remote);
 
@@ -508,12 +522,14 @@ static int keyspan_probe(struct usb_interface *interface, const struct usb_devic
 	input_dev->close = keyspan_close;
 
 	/*
-	 * Initialize the URB to access the device. The urb gets sent to the device in keyspan_open()
+	 * Initialize the URB to access the device.
+	 * The urb gets sent to the device in keyspan_open()
 	 */
 	usb_fill_int_urb(remote->irq_urb,
-			 remote->udev, usb_rcvintpipe(remote->udev, remote->in_endpoint->bEndpointAddress),
+			 remote->udev,
+			 usb_rcvintpipe(remote->udev, endpoint->bEndpointAddress),
 			 remote->in_buffer, RECV_SIZE, keyspan_irq_recv, remote,
-			 remote->in_endpoint->bInterval);
+			 endpoint->bInterval);
 	remote->irq_urb->transfer_dma = remote->in_dma;
 	remote->irq_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
 
-- 
cgit v1.1


From 72341eea6f62a91f270157d86c0c82d832627dfd Mon Sep 17 00:00:00 2001
From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Date: Sun, 4 Nov 2007 00:41:30 -0400
Subject: Input: atlas_btns - add support for loadable keymaps

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
 drivers/input/misc/atlas_btns.c | 39 +++++++++++++++++++++++----------------
 1 file changed, 23 insertions(+), 16 deletions(-)

diff --git a/drivers/input/misc/atlas_btns.c b/drivers/input/misc/atlas_btns.c
index 4e3ad65..1b87191 100644
--- a/drivers/input/misc/atlas_btns.c
+++ b/drivers/input/misc/atlas_btns.c
@@ -29,9 +29,10 @@
 #include <asm/uaccess.h>
 #include <acpi/acpi_drivers.h>
 
-#define ACPI_ATLAS_NAME			"Atlas ACPI"
-#define ACPI_ATLAS_CLASS		"Atlas"
+#define ACPI_ATLAS_NAME		"Atlas ACPI"
+#define ACPI_ATLAS_CLASS	"Atlas"
 
+static unsigned short atlas_keymap[16];
 static struct input_dev *input_dev;
 
 /* button handling code */
@@ -50,12 +51,15 @@ static acpi_status acpi_atlas_button_handler(u32 function,
 		      void *handler_context, void *region_context)
 {
 	acpi_status status;
-	int keycode;
 
 	if (function == ACPI_WRITE) {
-		keycode = KEY_F1 + (address & 0x0F);
-		input_report_key(input_dev, keycode, !(address & 0x10));
+		int code = address & 0x0f;
+		int key_down = !(address & 0x10);
+
+		input_event(input_dev, EV_MSC, MSC_SCAN, code);
+		input_report_key(input_dev, atlas_keymap[code], key_down);
 		input_sync(input_dev);
+
 		status = 0;
 	} else {
 		printk(KERN_WARNING "atlas: shrugged on unexpected function"
@@ -70,6 +74,7 @@ static acpi_status acpi_atlas_button_handler(u32 function,
 static int atlas_acpi_button_add(struct acpi_device *device)
 {
 	acpi_status status;
+	int i;
 	int err;
 
 	input_dev = input_allocate_device();
@@ -81,17 +86,19 @@ static int atlas_acpi_button_add(struct acpi_device *device)
 	input_dev->name = "Atlas ACPI button driver";
 	input_dev->phys = "ASIM0000/atlas/input0";
 	input_dev->id.bustype = BUS_HOST;
-	input_dev->evbit[BIT_WORD(EV_KEY)] = BIT_MASK(EV_KEY);
-
-	set_bit(KEY_F1, input_dev->keybit);
-	set_bit(KEY_F2, input_dev->keybit);
-	set_bit(KEY_F3, input_dev->keybit);
-	set_bit(KEY_F4, input_dev->keybit);
-	set_bit(KEY_F5, input_dev->keybit);
-	set_bit(KEY_F6, input_dev->keybit);
-	set_bit(KEY_F7, input_dev->keybit);
-	set_bit(KEY_F8, input_dev->keybit);
-	set_bit(KEY_F9, input_dev->keybit);
+	input_dev->keycode = atlas_keymap;
+	input_dev->keycodesize = sizeof(unsigned short);
+	input_dev->keycodemax = ARRAY_SIZE(atlas_keymap);
+
+	input_set_capability(input_dev, EV_MSC, MSC_SCAN);
+	__set_bit(EV_KEY, input_dev->evbit);
+	for (i = 0; i < ARRAY_SIZE(atlas_keymap); i++) {
+		if (i < 9) {
+			atlas_keymap[i] = KEY_F1 + i;
+			__set_bit(KEY_F1 + i, input_dev->keybit);
+		} else
+			atlas_keymap[i] = KEY_RESERVED;
+	}
 
 	err = input_register_device(input_dev);
 	if (err) {
-- 
cgit v1.1


From b037b08e59633d939d79f1df9c43c6625f8db904 Mon Sep 17 00:00:00 2001
From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Date: Sun, 4 Nov 2007 00:41:36 -0400
Subject: Input: cobalt_btns - add support for loadable keymaps

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
 drivers/input/misc/cobalt_btns.c | 73 ++++++++++++++++++++--------------------
 1 file changed, 36 insertions(+), 37 deletions(-)

diff --git a/drivers/input/misc/cobalt_btns.c b/drivers/input/misc/cobalt_btns.c
index 1aef97e..4833b1a 100644
--- a/drivers/input/misc/cobalt_btns.c
+++ b/drivers/input/misc/cobalt_btns.c
@@ -27,55 +27,48 @@
 #define BUTTONS_COUNT_THRESHOLD	3
 #define BUTTONS_STATUS_MASK	0xfe000000
 
+static const unsigned short cobalt_map[] = {
+	KEY_RESERVED,
+	KEY_RESTART,
+	KEY_LEFT,
+	KEY_UP,
+	KEY_DOWN,
+	KEY_RIGHT,
+	KEY_ENTER,
+	KEY_SELECT
+};
+
 struct buttons_dev {
 	struct input_polled_dev *poll_dev;
+	unsigned short keymap[ARRAY_SIZE(cobalt_map)];
+	int count[ARRAY_SIZE(cobalt_map)];
 	void __iomem *reg;
 };
 
-struct buttons_map {
-	uint32_t mask;
-	int keycode;
-	int count;
-};
-
-static struct buttons_map buttons_map[] = {
-	{ 0x02000000, KEY_RESTART, },
-	{ 0x04000000, KEY_LEFT, },
-	{ 0x08000000, KEY_UP, },
-	{ 0x10000000, KEY_DOWN, },
-	{ 0x20000000, KEY_RIGHT, },
-	{ 0x40000000, KEY_ENTER, },
-	{ 0x80000000, KEY_SELECT, },
-};
-
 static void handle_buttons(struct input_polled_dev *dev)
 {
-	struct buttons_map *button = buttons_map;
 	struct buttons_dev *bdev = dev->private;
 	struct input_dev *input = dev->input;
 	uint32_t status;
 	int i;
 
-	status = readl(bdev->reg);
-	status = ~status & BUTTONS_STATUS_MASK;
+	status = ~readl(bdev->reg) >> 24;
 
-	for (i = 0; i < ARRAY_SIZE(buttons_map); i++) {
-		if (status & button->mask) {
-			button->count++;
+	for (i = 0; i < ARRAY_SIZE(bdev->keymap); i++) {
+		if (status & (1UL << i)) {
+			if (++bdev->count[i] == BUTTONS_COUNT_THRESHOLD) {
+				input_event(input, EV_MSC, MSC_SCAN, i);
+				input_report_key(input, bdev->keymap[i], 1);
+				input_sync(input);
+			}
 		} else {
-			if (button->count >= BUTTONS_COUNT_THRESHOLD) {
-				input_report_key(input, button->keycode, 0);
+			if (bdev->count[i] >= BUTTONS_COUNT_THRESHOLD) {
+				input_event(input, EV_MSC, MSC_SCAN, i);
+				input_report_key(input, bdev->keymap[i], 0);
 				input_sync(input);
 			}
-			button->count = 0;
-		}
-
-		if (button->count == BUTTONS_COUNT_THRESHOLD) {
-			input_report_key(input, button->keycode, 1);
-			input_sync(input);
+			bdev->count[i] = 0;
 		}
-
-		button++;
 	}
 }
 
@@ -94,6 +87,8 @@ static int __devinit cobalt_buttons_probe(struct platform_device *pdev)
 		goto err_free_mem;
 	}
 
+	memcpy(bdev->keymap, cobalt_map, sizeof(bdev->keymap));
+
 	poll_dev->private = bdev;
 	poll_dev->poll = handle_buttons;
 	poll_dev->poll_interval = BUTTONS_POLL_INTERVAL;
@@ -104,11 +99,15 @@ static int __devinit cobalt_buttons_probe(struct platform_device *pdev)
 	input->id.bustype = BUS_HOST;
 	input->cdev.dev = &pdev->dev;
 
-	input->evbit[0] = BIT_MASK(EV_KEY);
-	for (i = 0; i < ARRAY_SIZE(buttons_map); i++) {
-		set_bit(buttons_map[i].keycode, input->keybit);
-		buttons_map[i].count = 0;
-	}
+	input->keycode = pdev->keymap;
+	input->keycodemax = ARRAY_SIZE(pdev->keymap);
+	input->keycodesize = sizeof(unsigned short);
+
+	input_set_capability(input, EV_MSC, MSC_SCAN);
+	__set_bit(EV_KEY, input->evbit);
+	for (i = 0; i < ARRAY_SIZE(buttons_map); i++)
+		__set_bit(input->keycode[i], input->keybit);
+	__clear_bit(KEY_RESERVED, input->keybit);
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (!res) {
-- 
cgit v1.1


From f0b92b961b222fa1012058a773dfca1c5f21a498 Mon Sep 17 00:00:00 2001
From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Date: Sun, 4 Nov 2007 00:42:21 -0400
Subject: Input: atkbd - remove unneeded synchronize_sched()

atkbd_disable() provides all necessary synchronization with
atkbd_interrupt().

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
 drivers/input/keyboard/atkbd.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index 7162f79..514d80b 100644
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -823,7 +823,6 @@ static void atkbd_disconnect(struct serio *serio)
 	atkbd_disable(atkbd);
 
 	/* make sure we don't have a command in flight */
-	synchronize_sched();  /* Allow atkbd_interrupt()s to complete. */
 	flush_scheduled_work();
 
 	sysfs_remove_group(&serio->dev.kobj, &atkbd_attribute_group);
-- 
cgit v1.1


From a8399c512b5fa2cf80831f5b4cd3adffd299fbe3 Mon Sep 17 00:00:00 2001
From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Date: Sun, 4 Nov 2007 00:44:31 -0400
Subject: Input: i8042 - use synchronize_irq() instead of synchronize_sched()

RT guys advised me that in their kernels synchronize_sched() will not
work to ensure that all IRQ handlers run to their completion and that
synchronize_irq() should be used instead.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
 drivers/input/serio/i8042.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
index 1a0cea3..13da06f 100644
--- a/drivers/input/serio/i8042.c
+++ b/drivers/input/serio/i8042.c
@@ -280,7 +280,14 @@ static void i8042_stop(struct serio *serio)
 	struct i8042_port *port = serio->port_data;
 
 	port->exists = 0;
-	synchronize_sched();
+
+	/*
+	 * We synchronize with both AUX and KBD IRQs because there is
+	 * a (very unlikely) chance that AUX IRQ is raised for KBD port
+	 * and vice versa.
+	 */
+	synchronize_irq(I8042_AUX_IRQ);
+	synchronize_irq(I8042_KBD_IRQ);
 	port->serio = NULL;
 }
 
-- 
cgit v1.1


From 4615e33f43d3fad5fd92cd02757d23f7803dd7f9 Mon Sep 17 00:00:00 2001
From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Date: Sun, 4 Nov 2007 00:49:54 -0400
Subject: Input: iforce - don't access input_dev->private directly

input_{get|set}_drvdata() helpers should be used instead.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
 drivers/input/joystick/iforce/iforce-main.c | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/drivers/input/joystick/iforce/iforce-main.c b/drivers/input/joystick/iforce/iforce-main.c
index 6f826b3..a2517fa 100644
--- a/drivers/input/joystick/iforce/iforce-main.c
+++ b/drivers/input/joystick/iforce/iforce-main.c
@@ -85,7 +85,7 @@ static struct iforce_device iforce_device[] = {
 
 static int iforce_playback(struct input_dev *dev, int effect_id, int value)
 {
-	struct iforce* iforce = dev->private;
+	struct iforce *iforce = input_get_drvdata(dev);
 	struct iforce_core_effect *core_effect = &iforce->core_effects[effect_id];
 
 	if (value > 0)
@@ -99,7 +99,7 @@ static int iforce_playback(struct input_dev *dev, int effect_id, int value)
 
 static void iforce_set_gain(struct input_dev *dev, u16 gain)
 {
-	struct iforce* iforce = dev->private;
+	struct iforce *iforce = input_get_drvdata(dev);
 	unsigned char data[3];
 
 	data[0] = gain >> 9;
@@ -108,7 +108,7 @@ static void iforce_set_gain(struct input_dev *dev, u16 gain)
 
 static void iforce_set_autocenter(struct input_dev *dev, u16 magnitude)
 {
-	struct iforce* iforce = dev->private;
+	struct iforce *iforce = input_get_drvdata(dev);
 	unsigned char data[3];
 
 	data[0] = 0x03;
@@ -126,7 +126,7 @@ static void iforce_set_autocenter(struct input_dev *dev, u16 magnitude)
  */
 static int iforce_upload_effect(struct input_dev *dev, struct ff_effect *effect, struct ff_effect *old)
 {
-	struct iforce* iforce = dev->private;
+	struct iforce *iforce = input_get_drvdata(dev);
 	struct iforce_core_effect *core_effect = &iforce->core_effects[effect->id];
 	int ret;
 
@@ -173,7 +173,7 @@ static int iforce_upload_effect(struct input_dev *dev, struct ff_effect *effect,
  */
 static int iforce_erase_effect(struct input_dev *dev, int effect_id)
 {
-	struct iforce *iforce = dev->private;
+	struct iforce *iforce = input_get_drvdata(dev);
 	struct iforce_core_effect *core_effect = &iforce->core_effects[effect_id];
 	int err = 0;
 
@@ -191,7 +191,7 @@ static int iforce_erase_effect(struct input_dev *dev, int effect_id)
 
 static int iforce_open(struct input_dev *dev)
 {
-	struct iforce *iforce = dev->private;
+	struct iforce *iforce = input_get_drvdata(dev);
 
 	switch (iforce->bus) {
 #ifdef CONFIG_JOYSTICK_IFORCE_USB
@@ -213,7 +213,7 @@ static int iforce_open(struct input_dev *dev)
 
 static void iforce_release(struct input_dev *dev)
 {
-	struct iforce *iforce = dev->private;
+	struct iforce *iforce = input_get_drvdata(dev);
 	int i;
 
 	if (test_bit(EV_FF, dev->evbit)) {
@@ -298,7 +298,8 @@ int iforce_init_device(struct iforce *iforce)
 #endif
 	}
 
-	input_dev->private = iforce;
+	input_set_drvdata(input_dev, iforce);
+
 	input_dev->name = "Unknown I-Force device";
 	input_dev->open = iforce_open;
 	input_dev->close = iforce_release;
-- 
cgit v1.1


From a512a8cc20bbf74700d368ecb0a61dd9d8f1df48 Mon Sep 17 00:00:00 2001
From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Date: Sun, 4 Nov 2007 00:50:19 -0400
Subject: V4L/DVB: Don't access input_dev->private directly

Drivers should use input_{get|set}_drvdata() instead of accessing
input_dev->provate directly, but since these drivers do not actually
use the data stored there we can simply remove the assignments.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Acked-by: Mauro Carvalho Chehab <mchehab@infradead.org>
---
 drivers/media/video/usbvideo/konicawc.c           | 2 --
 drivers/media/video/usbvideo/quickcam_messenger.c | 2 --
 2 files changed, 4 deletions(-)

diff --git a/drivers/media/video/usbvideo/konicawc.c b/drivers/media/video/usbvideo/konicawc.c
index 3e93f80..719b17c 100644
--- a/drivers/media/video/usbvideo/konicawc.c
+++ b/drivers/media/video/usbvideo/konicawc.c
@@ -241,8 +241,6 @@ static void konicawc_register_input(struct konicawc *cam, struct usb_device *dev
 	input_dev->evbit[0] = BIT_MASK(EV_KEY);
 	input_dev->keybit[BIT_WORD(BTN_0)] = BIT_MASK(BTN_0);
 
-	input_dev->private = cam;
-
 	error = input_register_device(cam->input);
 	if (error) {
 		warn("Failed to register camera's input device, err: %d\n",
diff --git a/drivers/media/video/usbvideo/quickcam_messenger.c b/drivers/media/video/usbvideo/quickcam_messenger.c
index d847273..6438bc1 100644
--- a/drivers/media/video/usbvideo/quickcam_messenger.c
+++ b/drivers/media/video/usbvideo/quickcam_messenger.c
@@ -105,8 +105,6 @@ static void qcm_register_input(struct qcm *cam, struct usb_device *dev)
 	input_dev->evbit[0] = BIT_MASK(EV_KEY);
 	input_dev->keybit[BIT_WORD(BTN_0)] = BIT_MASK(BTN_0);
 
-	input_dev->private = cam;
-
 	error = input_register_device(cam->input);
 	if (error) {
 		warn("Failed to register camera's input device, err: %d\n",
-- 
cgit v1.1


From 374766bc2aa784f7a0833cc7563f057241ca7815 Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <shemminger@linux-foundation.org>
Date: Wed, 21 Nov 2007 14:03:37 -0500
Subject: Input: implement proper timer rounding for polled devices

Rounding doesn't matter for the first tick, but we want
succeeding ticks to be aligned on second boundary if poll
interval is large enough.

Also: cancel_rearming_delayed_workqueue is marked as obsolete
in workqueue.h so use cancel_delayed_work_sync.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Acked-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
 drivers/input/input-polldev.c | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/drivers/input/input-polldev.c b/drivers/input/input-polldev.c
index 92b3598..490918a 100644
--- a/drivers/input/input-polldev.c
+++ b/drivers/input/input-polldev.c
@@ -60,17 +60,21 @@ static void input_polled_device_work(struct work_struct *work)
 {
 	struct input_polled_dev *dev =
 		container_of(work, struct input_polled_dev, work.work);
+	unsigned long delay;
 
 	dev->poll(dev);
-	queue_delayed_work(polldev_wq, &dev->work,
-			   msecs_to_jiffies(dev->poll_interval));
+
+	delay = msecs_to_jiffies(dev->poll_interval);
+	if (delay >= HZ)
+		delay = round_jiffies_relative(delay);
+
+	queue_delayed_work(polldev_wq, &dev->work, delay);
 }
 
 static int input_open_polled_device(struct input_dev *input)
 {
 	struct input_polled_dev *dev = input->private;
 	int error;
-	unsigned long ticks;
 
 	error = input_polldev_start_workqueue();
 	if (error)
@@ -79,10 +83,8 @@ static int input_open_polled_device(struct input_dev *input)
 	if (dev->flush)
 		dev->flush(dev);
 
-	ticks = msecs_to_jiffies(dev->poll_interval);
-	if (ticks >= HZ)
-		ticks = round_jiffies(ticks);
-	queue_delayed_work(polldev_wq, &dev->work, ticks);
+	queue_delayed_work(polldev_wq, &dev->work,
+			   msecs_to_jiffies(dev->poll_interval));
 
 	return 0;
 }
@@ -91,7 +93,7 @@ static void input_close_polled_device(struct input_dev *input)
 {
 	struct input_polled_dev *dev = input->private;
 
-	cancel_rearming_delayed_workqueue(polldev_wq, &dev->work);
+	cancel_delayed_work_sync(&dev->work);
 	input_polldev_stop_workqueue();
 }
 
-- 
cgit v1.1


From 75570af1504141316c22dfb6796cd13bf5b11fd2 Mon Sep 17 00:00:00 2001
From: Steven Whitehouse <swhiteho@redhat.com>
Date: Tue, 27 Nov 2007 00:45:34 -0500
Subject: Input: fix bug in example code

The input example driver uses BTN_0 in the later stages of the
example, so this changes the interrupt routine to match.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
 Documentation/input/input-programming.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/input/input-programming.txt b/Documentation/input/input-programming.txt
index 47fc868..81905e8 100644
--- a/Documentation/input/input-programming.txt
+++ b/Documentation/input/input-programming.txt
@@ -22,7 +22,7 @@ static struct input_dev *button_dev;
 
 static void button_interrupt(int irq, void *dummy, struct pt_regs *fp)
 {
-	input_report_key(button_dev, BTN_1, inb(BUTTON_PORT) & 1);
+	input_report_key(button_dev, BTN_0, inb(BUTTON_PORT) & 1);
 	input_sync(button_dev);
 }
 
-- 
cgit v1.1


From 3b04a61107dfe46dbfc1796298b59ca3c0a09cd9 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Tue, 27 Nov 2007 00:45:50 -0500
Subject: Input: drop redundant includes of moduleparam.h

Drop #include <linux/moduleparam.h> in files that also include
linux/module.h, since module.h includes moduleparam.h already.

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
 drivers/input/joystick/amijoy.c        | 1 -
 drivers/input/joystick/analog.c        | 1 -
 drivers/input/joystick/db9.c           | 1 -
 drivers/input/joystick/gamecon.c       | 1 -
 drivers/input/joystick/turbografx.c    | 1 -
 drivers/input/joystick/xpad.c          | 1 -
 drivers/input/keyboard/atkbd.c         | 1 -
 drivers/input/keyboard/lkkbd.c         | 1 -
 drivers/input/misc/ati_remote.c        | 1 -
 drivers/input/misc/keyspan_remote.c    | 1 -
 drivers/input/mouse/inport.c           | 1 -
 drivers/input/mouse/logibm.c           | 1 -
 drivers/input/mouse/psmouse-base.c     | 1 -
 drivers/input/mouse/trackpoint.c       | 1 -
 drivers/input/mousedev.c               | 1 -
 drivers/input/serio/i8042.c            | 1 -
 drivers/input/serio/libps2.c           | 1 -
 drivers/input/touchscreen/mk712.c      | 1 -
 drivers/input/touchscreen/ucb1400_ts.c | 1 -
 19 files changed, 19 deletions(-)

diff --git a/drivers/input/joystick/amijoy.c b/drivers/input/joystick/amijoy.c
index 5cf9f36..deb9f82 100644
--- a/drivers/input/joystick/amijoy.c
+++ b/drivers/input/joystick/amijoy.c
@@ -32,7 +32,6 @@
 #include <linux/errno.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
-#include <linux/moduleparam.h>
 #include <linux/init.h>
 #include <linux/input.h>
 #include <linux/interrupt.h>
diff --git a/drivers/input/joystick/analog.c b/drivers/input/joystick/analog.c
index 1573988..f32e031 100644
--- a/drivers/input/joystick/analog.c
+++ b/drivers/input/joystick/analog.c
@@ -31,7 +31,6 @@
 #include <linux/delay.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
-#include <linux/moduleparam.h>
 #include <linux/slab.h>
 #include <linux/bitops.h>
 #include <linux/init.h>
diff --git a/drivers/input/joystick/db9.c b/drivers/input/joystick/db9.c
index a6ca9d5..960e501 100644
--- a/drivers/input/joystick/db9.c
+++ b/drivers/input/joystick/db9.c
@@ -33,7 +33,6 @@
 
 #include <linux/kernel.h>
 #include <linux/module.h>
-#include <linux/moduleparam.h>
 #include <linux/delay.h>
 #include <linux/init.h>
 #include <linux/parport.h>
diff --git a/drivers/input/joystick/gamecon.c b/drivers/input/joystick/gamecon.c
index df2a9d0..07a32af 100644
--- a/drivers/input/joystick/gamecon.c
+++ b/drivers/input/joystick/gamecon.c
@@ -33,7 +33,6 @@
 #include <linux/kernel.h>
 #include <linux/delay.h>
 #include <linux/module.h>
-#include <linux/moduleparam.h>
 #include <linux/init.h>
 #include <linux/parport.h>
 #include <linux/input.h>
diff --git a/drivers/input/joystick/turbografx.c b/drivers/input/joystick/turbografx.c
index bbebd4e..989483f 100644
--- a/drivers/input/joystick/turbografx.c
+++ b/drivers/input/joystick/turbografx.c
@@ -35,7 +35,6 @@
 #include <linux/parport.h>
 #include <linux/input.h>
 #include <linux/module.h>
-#include <linux/moduleparam.h>
 #include <linux/init.h>
 #include <linux/mutex.h>
 
diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
index 6e9d75b..0380597 100644
--- a/drivers/input/joystick/xpad.c
+++ b/drivers/input/joystick/xpad.c
@@ -75,7 +75,6 @@
 #include <linux/slab.h>
 #include <linux/stat.h>
 #include <linux/module.h>
-#include <linux/moduleparam.h>
 #include <linux/usb/input.h>
 
 #define DRIVER_VERSION "v0.0.6"
diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index 514d80b..4a95adc 100644
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -19,7 +19,6 @@
 
 #include <linux/delay.h>
 #include <linux/module.h>
-#include <linux/moduleparam.h>
 #include <linux/slab.h>
 #include <linux/interrupt.h>
 #include <linux/init.h>
diff --git a/drivers/input/keyboard/lkkbd.c b/drivers/input/keyboard/lkkbd.c
index 1b08f4e..32e2c26 100644
--- a/drivers/input/keyboard/lkkbd.c
+++ b/drivers/input/keyboard/lkkbd.c
@@ -64,7 +64,6 @@
 #include <linux/delay.h>
 #include <linux/slab.h>
 #include <linux/module.h>
-#include <linux/moduleparam.h>
 #include <linux/interrupt.h>
 #include <linux/init.h>
 #include <linux/input.h>
diff --git a/drivers/input/misc/ati_remote.c b/drivers/input/misc/ati_remote.c
index 3a79374..f3b86c2 100644
--- a/drivers/input/misc/ati_remote.c
+++ b/drivers/input/misc/ati_remote.c
@@ -90,7 +90,6 @@
 #include <linux/init.h>
 #include <linux/slab.h>
 #include <linux/module.h>
-#include <linux/moduleparam.h>
 #include <linux/usb/input.h>
 #include <linux/wait.h>
 #include <linux/jiffies.h>
diff --git a/drivers/input/misc/keyspan_remote.c b/drivers/input/misc/keyspan_remote.c
index 86ddd72..952938a 100644
--- a/drivers/input/misc/keyspan_remote.c
+++ b/drivers/input/misc/keyspan_remote.c
@@ -16,7 +16,6 @@
 #include <linux/init.h>
 #include <linux/slab.h>
 #include <linux/module.h>
-#include <linux/moduleparam.h>
 #include <linux/usb/input.h>
 
 #define DRIVER_VERSION	"v0.1"
diff --git a/drivers/input/mouse/inport.c b/drivers/input/mouse/inport.c
index 26ec095..06c35fc 100644
--- a/drivers/input/mouse/inport.c
+++ b/drivers/input/mouse/inport.c
@@ -35,7 +35,6 @@
  */
 
 #include <linux/module.h>
-#include <linux/moduleparam.h>
 #include <linux/ioport.h>
 #include <linux/init.h>
 #include <linux/interrupt.h>
diff --git a/drivers/input/mouse/logibm.c b/drivers/input/mouse/logibm.c
index 37e7c75..9ea8955 100644
--- a/drivers/input/mouse/logibm.c
+++ b/drivers/input/mouse/logibm.c
@@ -36,7 +36,6 @@
  */
 
 #include <linux/module.h>
-#include <linux/moduleparam.h>
 #include <linux/delay.h>
 #include <linux/ioport.h>
 #include <linux/init.h>
diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
index b862825..f5a6be1 100644
--- a/drivers/input/mouse/psmouse-base.c
+++ b/drivers/input/mouse/psmouse-base.c
@@ -13,7 +13,6 @@
 
 #include <linux/delay.h>
 #include <linux/module.h>
-#include <linux/moduleparam.h>
 #include <linux/slab.h>
 #include <linux/interrupt.h>
 #include <linux/input.h>
diff --git a/drivers/input/mouse/trackpoint.c b/drivers/input/mouse/trackpoint.c
index 9ab5b5e..26b845fc 100644
--- a/drivers/input/mouse/trackpoint.c
+++ b/drivers/input/mouse/trackpoint.c
@@ -11,7 +11,6 @@
 #include <linux/delay.h>
 #include <linux/serio.h>
 #include <linux/module.h>
-#include <linux/moduleparam.h>
 #include <linux/input.h>
 #include <linux/libps2.h>
 #include <linux/proc_fs.h>
diff --git a/drivers/input/mousedev.c b/drivers/input/mousedev.c
index be83516c..335eb87 100644
--- a/drivers/input/mousedev.c
+++ b/drivers/input/mousedev.c
@@ -16,7 +16,6 @@
 #include <linux/slab.h>
 #include <linux/poll.h>
 #include <linux/module.h>
-#include <linux/moduleparam.h>
 #include <linux/init.h>
 #include <linux/input.h>
 #include <linux/random.h>
diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
index 13da06f..cbe83bf 100644
--- a/drivers/input/serio/i8042.c
+++ b/drivers/input/serio/i8042.c
@@ -12,7 +12,6 @@
 
 #include <linux/delay.h>
 #include <linux/module.h>
-#include <linux/moduleparam.h>
 #include <linux/interrupt.h>
 #include <linux/ioport.h>
 #include <linux/init.h>
diff --git a/drivers/input/serio/libps2.c b/drivers/input/serio/libps2.c
index 10d9d74..b819239 100644
--- a/drivers/input/serio/libps2.c
+++ b/drivers/input/serio/libps2.c
@@ -13,7 +13,6 @@
 
 #include <linux/delay.h>
 #include <linux/module.h>
-#include <linux/moduleparam.h>
 #include <linux/slab.h>
 #include <linux/interrupt.h>
 #include <linux/input.h>
diff --git a/drivers/input/touchscreen/mk712.c b/drivers/input/touchscreen/mk712.c
index 80a6588..efd3aeb 100644
--- a/drivers/input/touchscreen/mk712.c
+++ b/drivers/input/touchscreen/mk712.c
@@ -36,7 +36,6 @@
  */
 
 #include <linux/module.h>
-#include <linux/moduleparam.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/errno.h>
diff --git a/drivers/input/touchscreen/ucb1400_ts.c b/drivers/input/touchscreen/ucb1400_ts.c
index 7549939..35faf46 100644
--- a/drivers/input/touchscreen/ucb1400_ts.c
+++ b/drivers/input/touchscreen/ucb1400_ts.c
@@ -15,7 +15,6 @@
  */
 
 #include <linux/module.h>
-#include <linux/moduleparam.h>
 #include <linux/init.h>
 #include <linux/completion.h>
 #include <linux/delay.h>
-- 
cgit v1.1


From fbb38e30e414c9ccd8b5d04344264522551008bc Mon Sep 17 00:00:00 2001
From: David Brownell <david-b@pacbell.net>
Date: Fri, 14 Dec 2007 01:26:33 -0500
Subject: Input: ads7846 - stop updating dev->power.power_state

This stops the ads7846 driver from using dev->power.power_state; that field is
deprecated (overdue for removal) and the only reason to update it was to make
the /sys/devices/.../power/state files (now removed) work better.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
 drivers/input/touchscreen/ads7846.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c
index f59aecf..1c08ecc5 100644
--- a/drivers/input/touchscreen/ads7846.c
+++ b/drivers/input/touchscreen/ads7846.c
@@ -116,6 +116,7 @@ struct ads7846 {
 // FIXME remove "irq_disabled"
 	unsigned		irq_disabled:1;	/* P: lock */
 	unsigned		disabled:1;
+	unsigned		is_suspended:1;
 
 	int			(*filter)(void *data, int data_idx, int *val);
 	void			*filter_data;
@@ -203,7 +204,7 @@ static void ads7846_disable(struct ads7846 *ts);
 static int device_suspended(struct device *dev)
 {
 	struct ads7846 *ts = dev_get_drvdata(dev);
-	return dev->power.power_state.event != PM_EVENT_ON || ts->disabled;
+	return ts->is_suspended || ts->disabled;
 }
 
 static int ads7846_read12_ser(struct device *dev, unsigned command)
@@ -795,7 +796,7 @@ static int ads7846_suspend(struct spi_device *spi, pm_message_t message)
 
 	spin_lock_irq(&ts->lock);
 
-	spi->dev.power.power_state = message;
+	ts->is_suspended = 1;
 	ads7846_disable(ts);
 
 	spin_unlock_irq(&ts->lock);
@@ -810,7 +811,7 @@ static int ads7846_resume(struct spi_device *spi)
 
 	spin_lock_irq(&ts->lock);
 
-	spi->dev.power.power_state = PMSG_ON;
+	ts->is_suspended = 0;
 	ads7846_enable(ts);
 
 	spin_unlock_irq(&ts->lock);
@@ -872,7 +873,6 @@ static int __devinit ads7846_probe(struct spi_device *spi)
 	}
 
 	dev_set_drvdata(&spi->dev, ts);
-	spi->dev.power.power_state = PMSG_ON;
 
 	ts->spi = spi;
 	ts->input = input_dev;
-- 
cgit v1.1


From 52fe0cdb090a344cad9d95461ad06239e0c28712 Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <shemminger@linux-foundation.org>
Date: Fri, 14 Dec 2007 11:08:37 -0500
Subject: Input: add driver for Fujitsu application buttons

This driver supports the application buttons on some Fujitsu Lifebook
laptops.  It is based on the earlier apanel driver done by Jochen Eisenger,
but with many changes.  The original driver used ioctl's and a separate
user space program (see http://apanel.sourceforge.net).  This driver hooks
into the input subsystem so that the normal keys act as expected without a
daemon.  In addition to buttons, the Mail Led is handled via LEDs class
device.

The driver now supports redefinable keymaps and no longer has to have a DMI
table for all Fujitsu laptops.

I thought about mixing this driver should be integrated into the Fujitsu
laptop extras driver that handles backlight, but rejected the idea because
it wasn't clear if all the Fujitsu laptops supported both.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
 drivers/input/misc/Kconfig  |  14 ++
 drivers/input/misc/Makefile |   1 +
 drivers/input/misc/apanel.c | 378 ++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 393 insertions(+)
 create mode 100644 drivers/input/misc/apanel.c

diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index 8f5c7b9..8b10d9f 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -40,6 +40,20 @@ config INPUT_M68K_BEEP
 	tristate "M68k Beeper support"
 	depends on M68K
 
+config INPUT_APANEL
+	tristate "Fujitsu Lifebook Application Panel buttons"
+	depends on X86
+	select I2C_I801
+	select INPUT_POLLDEV
+	select CHECK_SIGNATURE
+	help
+	 Say Y here for support of the Application Panel buttons, used on
+	 Fujitsu Lifebook. These are attached to the mainboard through
+	 an SMBus interface managed by the I2C Intel ICH (i801) driver.
+
+	 To compile this driver as a module, choose M here: the module will
+	 be called apanel.
+
 config INPUT_IXP4XX_BEEPER
 	tristate "IXP4XX Beeper support"
 	depends on ARCH_IXP4XX
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index 3585b50..ebd39f2 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -18,3 +18,4 @@ obj-$(CONFIG_INPUT_POWERMATE)		+= powermate.o
 obj-$(CONFIG_INPUT_YEALINK)		+= yealink.o
 obj-$(CONFIG_HP_SDC_RTC)		+= hp_sdc_rtc.o
 obj-$(CONFIG_INPUT_UINPUT)		+= uinput.o
+obj-$(CONFIG_INPUT_APANEL)		+= apanel.o
diff --git a/drivers/input/misc/apanel.c b/drivers/input/misc/apanel.c
new file mode 100644
index 0000000..9531d8c
--- /dev/null
+++ b/drivers/input/misc/apanel.c
@@ -0,0 +1,378 @@
+/*
+ *  Fujitsu Lifebook Application Panel button drive
+ *
+ *  Copyright (C) 2007 Stephen Hemminger <shemminger@linux-foundation.org>
+ *  Copyright (C) 2001-2003 Jochen Eisinger <jochen@penguin-breeder.org>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * Many Fujitsu Lifebook laptops have a small panel of buttons that are
+ * accessible via the i2c/smbus interface. This driver polls those
+ * buttons and generates input events.
+ *
+ * For more details see:
+ *	http://apanel.sourceforge.net/tech.php
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/ioport.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/input-polldev.h>
+#include <linux/i2c.h>
+#include <linux/workqueue.h>
+#include <linux/leds.h>
+
+#define APANEL_NAME	"Fujitsu Application Panel"
+#define APANEL_VERSION	"1.3.1"
+#define APANEL		"apanel"
+
+/* How often we poll keys - msecs */
+#define POLL_INTERVAL_DEFAULT	1000
+
+/* Magic constants in BIOS that tell about buttons */
+enum apanel_devid {
+	APANEL_DEV_NONE	  = 0,
+	APANEL_DEV_APPBTN = 1,
+	APANEL_DEV_CDBTN  = 2,
+	APANEL_DEV_LCD	  = 3,
+	APANEL_DEV_LED	  = 4,
+
+	APANEL_DEV_MAX,
+};
+
+enum apanel_chip {
+	CHIP_NONE    = 0,
+	CHIP_OZ992C  = 1,
+	CHIP_OZ163T  = 2,
+	CHIP_OZ711M3 = 4,
+};
+
+/* Result of BIOS snooping/probing -- what features are supported */
+static enum apanel_chip device_chip[APANEL_DEV_MAX];
+
+#define MAX_PANEL_KEYS	12
+
+struct apanel {
+	struct input_polled_dev *ipdev;
+	struct i2c_client client;
+	unsigned short keymap[MAX_PANEL_KEYS];
+	u16    nkeys;
+	u16    led_bits;
+	struct work_struct led_work;
+	struct led_classdev mail_led;
+};
+
+
+static int apanel_probe(struct i2c_adapter *, int, int);
+
+/* for now, we only support one address */
+static unsigned short normal_i2c[] = {0, I2C_CLIENT_END};
+static unsigned short ignore = I2C_CLIENT_END;
+static struct i2c_client_address_data addr_data = {
+	.normal_i2c	= normal_i2c,
+	.probe		= &ignore,
+	.ignore		= &ignore,
+};
+
+static void report_key(struct input_dev *input, unsigned keycode)
+{
+	pr_debug(APANEL ": report key %#x\n", keycode);
+	input_report_key(input, keycode, 1);
+	input_sync(input);
+
+	input_report_key(input, keycode, 0);
+	input_sync(input);
+}
+
+/* Poll for key changes
+ *
+ * Read Application keys via SMI
+ *  A (0x4), B (0x8), Internet (0x2), Email (0x1).
+ *
+ * CD keys:
+ * Forward (0x100), Rewind (0x200), Stop (0x400), Pause (0x800)
+ */
+static void apanel_poll(struct input_polled_dev *ipdev)
+{
+	struct apanel *ap = ipdev->private;
+	struct input_dev *idev = ipdev->input;
+	u8 cmd = device_chip[APANEL_DEV_APPBTN] == CHIP_OZ992C ? 0 : 8;
+	s32 data;
+	int i;
+
+	data = i2c_smbus_read_word_data(&ap->client, cmd);
+	if (data < 0)
+		return;	/* ignore errors (due to ACPI??) */
+
+	/* write back to clear latch */
+	i2c_smbus_write_word_data(&ap->client, cmd, 0);
+
+	if (!data)
+		return;
+
+	dev_dbg(&idev->dev, APANEL ": data %#x\n", data);
+	for (i = 0; i < idev->keycodemax; i++)
+		if ((1u << i) & data)
+			report_key(idev, ap->keymap[i]);
+}
+
+/* Track state changes of LED */
+static void led_update(struct work_struct *work)
+{
+	struct apanel *ap = container_of(work, struct apanel, led_work);
+
+	i2c_smbus_write_word_data(&ap->client, 0x10, ap->led_bits);
+}
+
+static void mail_led_set(struct led_classdev *led,
+			 enum led_brightness value)
+{
+	struct apanel *ap = container_of(led, struct apanel, mail_led);
+
+	if (value != LED_OFF)
+		ap->led_bits |= 0x8000;
+	else
+		ap->led_bits &= ~0x8000;
+
+	schedule_work(&ap->led_work);
+}
+
+static int apanel_detach_client(struct i2c_client *client)
+{
+	struct apanel *ap = i2c_get_clientdata(client);
+
+	if (device_chip[APANEL_DEV_LED] != CHIP_NONE)
+		led_classdev_unregister(&ap->mail_led);
+
+	input_unregister_polled_device(ap->ipdev);
+	i2c_detach_client(&ap->client);
+	input_free_polled_device(ap->ipdev);
+
+	return 0;
+}
+
+/* Function is invoked for every i2c adapter. */
+static int apanel_attach_adapter(struct i2c_adapter *adap)
+{
+	dev_dbg(&adap->dev, APANEL ": attach adapter id=%d\n", adap->id);
+
+	/* Our device is connected only to i801 on laptop */
+	if (adap->id != I2C_HW_SMBUS_I801)
+		return -ENODEV;
+
+	return i2c_probe(adap, &addr_data, apanel_probe);
+}
+
+static void apanel_shutdown(struct i2c_client *client)
+{
+	apanel_detach_client(client);
+}
+
+static struct i2c_driver apanel_driver = {
+	.driver = {
+		.name = APANEL,
+	},
+	.attach_adapter = &apanel_attach_adapter,
+	.detach_client  = &apanel_detach_client,
+	.shutdown	= &apanel_shutdown,
+};
+
+static struct apanel apanel = {
+	.client = {
+		.driver = &apanel_driver,
+		.name   = APANEL,
+	},
+	.keymap = {
+		[0] = KEY_MAIL,
+		[1] = KEY_WWW,
+		[2] = KEY_PROG2,
+		[3] = KEY_PROG1,
+
+		[8] = KEY_FORWARD,
+		[9] = KEY_REWIND,
+		[10] = KEY_STOPCD,
+		[11] = KEY_PLAYPAUSE,
+
+	},
+	.mail_led = {
+		.name = "mail:blue",
+		.brightness_set = mail_led_set,
+	},
+};
+
+/* NB: Only one panel on the i2c. */
+static int apanel_probe(struct i2c_adapter *bus, int address, int kind)
+{
+	struct apanel *ap;
+	struct input_polled_dev *ipdev;
+	struct input_dev *idev;
+	u8 cmd = device_chip[APANEL_DEV_APPBTN] == CHIP_OZ992C ? 0 : 8;
+	int i, err = -ENOMEM;
+
+	dev_dbg(&bus->dev, APANEL ": probe adapter %p addr %d kind %d\n",
+		bus, address, kind);
+
+	ap = &apanel;
+
+	ipdev = input_allocate_polled_device();
+	if (!ipdev)
+		goto out1;
+
+	ap->ipdev = ipdev;
+	ap->client.adapter = bus;
+	ap->client.addr = address;
+
+	i2c_set_clientdata(&ap->client, ap);
+
+	err = i2c_attach_client(&ap->client);
+	if (err)
+		goto out2;
+
+	err = i2c_smbus_write_word_data(&ap->client, cmd, 0);
+	if (err) {
+		dev_warn(&ap->client.dev, APANEL ": smbus write error %d\n",
+			 err);
+		goto out3;
+	}
+
+	ipdev->poll = apanel_poll;
+	ipdev->poll_interval = POLL_INTERVAL_DEFAULT;
+	ipdev->private = ap;
+
+	idev = ipdev->input;
+	idev->name = APANEL_NAME " buttons";
+	idev->phys = "apanel/input0";
+	idev->id.bustype = BUS_HOST;
+	idev->dev.parent = &ap->client.dev;
+
+	set_bit(EV_KEY, idev->evbit);
+
+	idev->keycode = ap->keymap;
+	idev->keycodesize = sizeof(ap->keymap[0]);
+	idev->keycodemax = (device_chip[APANEL_DEV_CDBTN] != CHIP_NONE) ? 12 : 4;
+
+	for (i = 0; i < idev->keycodemax; i++)
+		if (ap->keymap[i])
+			set_bit(ap->keymap[i], idev->keybit);
+
+	err = input_register_polled_device(ipdev);
+	if (err)
+		goto out3;
+
+	INIT_WORK(&ap->led_work, led_update);
+	if (device_chip[APANEL_DEV_LED] != CHIP_NONE) {
+		err = led_classdev_register(&ap->client.dev, &ap->mail_led);
+		if (err)
+			goto out4;
+	}
+
+	return 0;
+out4:
+	input_unregister_polled_device(ipdev);
+out3:
+	i2c_detach_client(&ap->client);
+out2:
+	input_free_polled_device(ipdev);
+out1:
+	return err;
+}
+
+/* Scan the system ROM for the signature "FJKEYINF" */
+static __init const void __iomem *bios_signature(const void __iomem *bios)
+{
+	ssize_t offset;
+	const unsigned char signature[] = "FJKEYINF";
+
+	for (offset = 0; offset < 0x10000; offset += 0x10) {
+		if (check_signature(bios + offset, signature,
+				    sizeof(signature)-1))
+			return bios + offset;
+	}
+	pr_notice(APANEL ": Fujitsu BIOS signature '%s' not found...\n",
+		  signature);
+	return NULL;
+}
+
+static int __init apanel_init(void)
+{
+	void __iomem *bios;
+	const void __iomem *p;
+	u8 devno;
+	int found = 0;
+
+	bios = ioremap(0xF0000, 0x10000); /* Can't fail */
+
+	p = bios_signature(bios);
+	if (!p) {
+		iounmap(bios);
+		return -ENODEV;
+	}
+
+	/* just use the first address */
+	p += 8;
+	normal_i2c[0] = readb(p+3) >> 1;
+
+	for ( ; (devno = readb(p)) & 0x7f; p += 4) {
+		unsigned char method, slave, chip;
+
+		method = readb(p + 1);
+		chip = readb(p + 2);
+		slave = readb(p + 3) >> 1;
+
+		if (slave != normal_i2c[0]) {
+			pr_notice(APANEL ": only one SMBus slave "
+				  "address supported, skiping device...\n");
+			continue;
+		}
+
+		/* translate alternative device numbers */
+		switch (devno) {
+		case 6:
+			devno = APANEL_DEV_APPBTN;
+			break;
+		case 7:
+			devno = APANEL_DEV_LED;
+			break;
+		}
+
+		if (devno >= APANEL_DEV_MAX)
+			pr_notice(APANEL ": unknown device %u found\n", devno);
+		else if (device_chip[devno] != CHIP_NONE)
+			pr_warning(APANEL ": duplicate entry for devno %u\n", devno);
+
+		else if (method != 1 && method != 2 && method != 4) {
+			pr_notice(APANEL ": unknown method %u for devno %u\n",
+				  method, devno);
+		} else {
+			device_chip[devno] = (enum apanel_chip) chip;
+			++found;
+		}
+	}
+	iounmap(bios);
+
+	if (found == 0) {
+		pr_info(APANEL ": no input devices reported by BIOS\n");
+		return -EIO;
+	}
+
+	return i2c_add_driver(&apanel_driver);
+}
+module_init(apanel_init);
+
+static void __exit apanel_cleanup(void)
+{
+	i2c_del_driver(&apanel_driver);
+}
+module_exit(apanel_cleanup);
+
+MODULE_AUTHOR("Stephen Hemminger <shemminger@linux-foundation.org>");
+MODULE_DESCRIPTION(APANEL_NAME " driver");
+MODULE_LICENSE("GPL");
+MODULE_VERSION(APANEL_VERSION);
+
+MODULE_ALIAS("dmi:*:svnFUJITSU:pnLifeBook*:pvr*:rvnFUJITSU:*");
+MODULE_ALIAS("dmi:*:svnFUJITSU:pnLifebook*:pvr*:rvnFUJITSU:*");
-- 
cgit v1.1


From 93e9012f40f75b8ab8a37deaf532b3c5e9b527c6 Mon Sep 17 00:00:00 2001
From: Dmitry Baryshkov <dbaryshkov@gmail.com>
Date: Mon, 21 Jan 2008 01:04:20 -0500
Subject: Input: add Tosa keyboard driver

Add keyboard support on tosa (Sharp Zaurus SL-6000x).
Largely based on patches by Dirk Opfer.

Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
 arch/arm/mach-pxa/tosa.c         |  43 ++++
 drivers/input/keyboard/Kconfig   |  21 ++
 drivers/input/keyboard/Makefile  |   1 +
 drivers/input/keyboard/tosakbd.c | 415 +++++++++++++++++++++++++++++++++++++++
 include/asm-arm/arch-pxa/tosa.h  |  30 +++
 5 files changed, 510 insertions(+)
 create mode 100644 drivers/input/keyboard/tosakbd.c

diff --git a/arch/arm/mach-pxa/tosa.c b/arch/arm/mach-pxa/tosa.c
index 240fd04..e7e0f52 100644
--- a/arch/arm/mach-pxa/tosa.c
+++ b/arch/arm/mach-pxa/tosa.c
@@ -21,6 +21,8 @@
 #include <linux/mmc/host.h>
 #include <linux/pm.h>
 #include <linux/delay.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
 
 #include <asm/setup.h>
 #include <asm/memory.h>
@@ -253,6 +255,46 @@ static struct platform_device tosakbd_device = {
 	.id		= -1,
 };
 
+static struct gpio_keys_button tosa_gpio_keys[] = {
+	{
+		.type	= EV_PWR,
+		.code	= KEY_SUSPEND,
+		.gpio	= TOSA_GPIO_ON_KEY,
+		.desc	= "On key",
+		.wakeup	= 1,
+		.active_low = 1,
+	},
+	{
+		.type	= EV_KEY,
+		.code	= TOSA_KEY_RECORD,
+		.gpio	= TOSA_GPIO_RECORD_BTN,
+		.desc	= "Record Button",
+		.wakeup	= 1,
+		.active_low = 1,
+	},
+	{
+		.type	= EV_KEY,
+		.code	= TOSA_KEY_SYNC,
+		.gpio	= TOSA_GPIO_SYNC,
+		.desc	= "Sync Button",
+		.wakeup	= 1,
+		.active_low = 1,
+	},
+};
+
+static struct gpio_keys_platform_data tosa_gpio_keys_platform_data = {
+	.buttons	= tosa_gpio_keys,
+	.nbuttons	= ARRAY_SIZE(tosa_gpio_keys),
+};
+
+static struct platform_device tosa_gpio_keys_device = {
+	.name	= "gpio-keys",
+	.id	= -1,
+	.dev	= {
+		.platform_data	= &tosa_gpio_keys_platform_data,
+	},
+};
+
 /*
  * Tosa LEDs
  */
@@ -265,6 +307,7 @@ static struct platform_device *devices[] __initdata = {
 	&tosascoop_device,
 	&tosascoop_jc_device,
 	&tosakbd_device,
+	&tosa_gpio_keys_device,
 	&tosaled_device,
 };
 
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index 086d58c..0c32762 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -154,6 +154,27 @@ config KEYBOARD_SPITZ
 	  To compile this driver as a module, choose M here: the
 	  module will be called spitzkbd.
 
+config KEYBOARD_TOSA
+	tristate "Tosa keyboard"
+	depends on MACH_TOSA
+	default y
+	help
+	  Say Y here to enable the keyboard on the Sharp Zaurus SL-6000x (Tosa)
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called tosakbd.
+
+config KEYBOARD_TOSA_USE_EXT_KEYCODES
+	bool "Tosa keyboard: use extended keycodes"
+	depends on KEYBOARD_TOSA
+	default n
+	help
+	  Say Y here to enable the tosa keyboard driver to generate extended
+	  (>= 127) keycodes. Be aware, that they can't be correctly interpreted
+	  by either console keyboard driver or by Kdrive keybd driver.
+
+	  Say Y only if you know, what you are doing!
+
 config KEYBOARD_AMIGA
 	tristate "Amiga keyboard"
 	depends on AMIGA
diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile
index e97455f..6caa065 100644
--- a/drivers/input/keyboard/Makefile
+++ b/drivers/input/keyboard/Makefile
@@ -15,6 +15,7 @@ obj-$(CONFIG_KEYBOARD_NEWTON)		+= newtonkbd.o
 obj-$(CONFIG_KEYBOARD_STOWAWAY)		+= stowaway.o
 obj-$(CONFIG_KEYBOARD_CORGI)		+= corgikbd.o
 obj-$(CONFIG_KEYBOARD_SPITZ)		+= spitzkbd.o
+obj-$(CONFIG_KEYBOARD_TOSA)		+= tosakbd.o
 obj-$(CONFIG_KEYBOARD_HIL)		+= hil_kbd.o
 obj-$(CONFIG_KEYBOARD_HIL_OLD)		+= hilkbd.o
 obj-$(CONFIG_KEYBOARD_OMAP)		+= omap-keypad.o
diff --git a/drivers/input/keyboard/tosakbd.c b/drivers/input/keyboard/tosakbd.c
new file mode 100644
index 0000000..3884d1e
--- /dev/null
+++ b/drivers/input/keyboard/tosakbd.c
@@ -0,0 +1,415 @@
+/*
+ *  Keyboard driver for Sharp Tosa models (SL-6000x)
+ *
+ *  Copyright (c) 2005 Dirk Opfer
+ *  Copyright (c) 2007 Dmitry Baryshkov
+ *
+ *  Based on xtkbd.c/locomkbd.c/corgikbd.c
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/input.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+
+#include <asm/arch/gpio.h>
+#include <asm/arch/tosa.h>
+
+#define KB_ROWMASK(r)		(1 << (r))
+#define SCANCODE(r, c)		(((r)<<4) + (c) + 1)
+#define NR_SCANCODES		SCANCODE(TOSA_KEY_SENSE_NUM - 1, TOSA_KEY_STROBE_NUM - 1) + 1
+
+#define SCAN_INTERVAL		(HZ/10)
+
+#define KB_DISCHARGE_DELAY	10
+#define KB_ACTIVATE_DELAY	10
+
+static unsigned int tosakbd_keycode[NR_SCANCODES] = {
+0,
+0, KEY_W, 0, 0, 0, KEY_K, KEY_BACKSPACE, KEY_P,
+0, 0, 0, 0, 0, 0, 0, 0,
+KEY_Q, KEY_E, KEY_T, KEY_Y, 0, KEY_O, KEY_I, KEY_COMMA,
+0, 0, 0, 0, 0, 0, 0, 0,
+KEY_A, KEY_D, KEY_G, KEY_U, 0, KEY_L, KEY_ENTER, KEY_DOT,
+0, 0, 0, 0, 0, 0, 0, 0,
+KEY_Z, KEY_C, KEY_V, KEY_J, TOSA_KEY_ADDRESSBOOK, TOSA_KEY_CANCEL, TOSA_KEY_CENTER, TOSA_KEY_OK,
+KEY_LEFTSHIFT, 0, 0, 0, 0, 0, 0, 0,
+KEY_S, KEY_R, KEY_B, KEY_N, TOSA_KEY_CALENDAR, TOSA_KEY_HOMEPAGE, KEY_LEFTCTRL, TOSA_KEY_LIGHT,
+0, KEY_RIGHTSHIFT, 0, 0, 0, 0, 0, 0,
+KEY_TAB, KEY_SLASH, KEY_H, KEY_M, TOSA_KEY_MENU, 0, KEY_UP, 0,
+0, 0, TOSA_KEY_FN, 0, 0, 0, 0, 0,
+KEY_X, KEY_F, KEY_SPACE, KEY_APOSTROPHE, TOSA_KEY_MAIL, KEY_LEFT, KEY_DOWN, KEY_RIGHT,
+0, 0, 0,
+};
+
+struct tosakbd {
+	unsigned int keycode[ARRAY_SIZE(tosakbd_keycode)];
+	struct input_dev *input;
+
+	spinlock_t lock; /* protect kbd scanning */
+	struct timer_list timer;
+};
+
+
+/* Helper functions for reading the keyboard matrix
+ * Note: We should really be using pxa_gpio_mode to alter GPDR but it
+ *       requires a function call per GPIO bit which is excessive
+ *       when we need to access 12 bits at once, multiple times.
+ * These functions must be called within local_irq_save()/local_irq_restore()
+ * or similar.
+ */
+#define GET_ROWS_STATUS(c)	((GPLR2 & TOSA_GPIO_ALL_SENSE_BIT) >> TOSA_GPIO_ALL_SENSE_RSHIFT)
+
+static inline void tosakbd_discharge_all(void)
+{
+	/* STROBE All HiZ */
+	GPCR1  = TOSA_GPIO_HIGH_STROBE_BIT;
+	GPDR1 &= ~TOSA_GPIO_HIGH_STROBE_BIT;
+	GPCR2  = TOSA_GPIO_LOW_STROBE_BIT;
+	GPDR2 &= ~TOSA_GPIO_LOW_STROBE_BIT;
+}
+
+static inline void tosakbd_activate_all(void)
+{
+	/* STROBE ALL -> High */
+	GPSR1  = TOSA_GPIO_HIGH_STROBE_BIT;
+	GPDR1 |= TOSA_GPIO_HIGH_STROBE_BIT;
+	GPSR2  = TOSA_GPIO_LOW_STROBE_BIT;
+	GPDR2 |= TOSA_GPIO_LOW_STROBE_BIT;
+
+	udelay(KB_DISCHARGE_DELAY);
+
+	/* STATE CLEAR */
+	GEDR2 |= TOSA_GPIO_ALL_SENSE_BIT;
+}
+
+static inline void tosakbd_activate_col(int col)
+{
+	if (col <= 5) {
+		/* STROBE col -> High, not col -> HiZ */
+		GPSR1 = TOSA_GPIO_STROBE_BIT(col);
+		GPDR1 = (GPDR1 & ~TOSA_GPIO_HIGH_STROBE_BIT) | TOSA_GPIO_STROBE_BIT(col);
+	} else {
+		/* STROBE col -> High, not col -> HiZ */
+		GPSR2 = TOSA_GPIO_STROBE_BIT(col);
+		GPDR2 = (GPDR2 & ~TOSA_GPIO_LOW_STROBE_BIT) | TOSA_GPIO_STROBE_BIT(col);
+	}
+}
+
+static inline void tosakbd_reset_col(int col)
+{
+	if (col <= 5) {
+		/* STROBE col -> Low */
+		GPCR1 = TOSA_GPIO_STROBE_BIT(col);
+		/* STROBE col -> out, not col -> HiZ */
+		GPDR1 = (GPDR1 & ~TOSA_GPIO_HIGH_STROBE_BIT) | TOSA_GPIO_STROBE_BIT(col);
+	} else {
+		/* STROBE col -> Low */
+		GPCR2 = TOSA_GPIO_STROBE_BIT(col);
+		/* STROBE col -> out, not col -> HiZ */
+		GPDR2 = (GPDR2 & ~TOSA_GPIO_LOW_STROBE_BIT) | TOSA_GPIO_STROBE_BIT(col);
+	}
+}
+/*
+ * The tosa keyboard only generates interrupts when a key is pressed.
+ * So when a key is pressed, we enable a timer.  This timer scans the
+ * keyboard, and this is how we detect when the key is released.
+ */
+
+/* Scan the hardware keyboard and push any changes up through the input layer */
+static void tosakbd_scankeyboard(struct platform_device *dev)
+{
+	struct tosakbd *tosakbd = platform_get_drvdata(dev);
+	unsigned int row, col, rowd;
+	unsigned long flags;
+	unsigned int num_pressed = 0;
+
+	spin_lock_irqsave(&tosakbd->lock, flags);
+
+	for (col = 0; col < TOSA_KEY_STROBE_NUM; col++) {
+		/*
+		 * Discharge the output driver capacitatance
+		 * in the keyboard matrix. (Yes it is significant..)
+		 */
+		tosakbd_discharge_all();
+		udelay(KB_DISCHARGE_DELAY);
+
+		tosakbd_activate_col(col);
+		udelay(KB_ACTIVATE_DELAY);
+
+		rowd = GET_ROWS_STATUS(col);
+
+		for (row = 0; row < TOSA_KEY_SENSE_NUM; row++) {
+			unsigned int scancode, pressed;
+			scancode = SCANCODE(row, col);
+			pressed = rowd & KB_ROWMASK(row);
+
+			if (pressed && !tosakbd->keycode[scancode])
+				dev_warn(&dev->dev,
+						"unhandled scancode: 0x%02x\n",
+						scancode);
+
+			input_report_key(tosakbd->input,
+					tosakbd->keycode[scancode],
+					pressed);
+			if (pressed)
+				num_pressed++;
+		}
+
+		tosakbd_reset_col(col);
+	}
+
+	tosakbd_activate_all();
+
+	input_sync(tosakbd->input);
+
+	/* if any keys are pressed, enable the timer */
+	if (num_pressed)
+		mod_timer(&tosakbd->timer, jiffies + SCAN_INTERVAL);
+
+	spin_unlock_irqrestore(&tosakbd->lock, flags);
+}
+
+/*
+ * tosa keyboard interrupt handler.
+ */
+static irqreturn_t tosakbd_interrupt(int irq, void *__dev)
+{
+	struct platform_device *dev = __dev;
+	struct tosakbd *tosakbd = platform_get_drvdata(dev);
+
+	if (!timer_pending(&tosakbd->timer)) {
+		/** wait chattering delay **/
+		udelay(20);
+		tosakbd_scankeyboard(dev);
+	}
+
+	return IRQ_HANDLED;
+}
+
+/*
+ * tosa timer checking for released keys
+ */
+static void tosakbd_timer_callback(unsigned long __dev)
+{
+	struct platform_device *dev = (struct platform_device *)__dev;
+	tosakbd_scankeyboard(dev);
+}
+
+#ifdef CONFIG_PM
+static int tosakbd_suspend(struct platform_device *dev, pm_message_t state)
+{
+	struct tosakbd *tosakbd = platform_get_drvdata(dev);
+
+	del_timer_sync(&tosakbd->timer);
+
+	return 0;
+}
+
+static int tosakbd_resume(struct platform_device *dev)
+{
+	tosakbd_scankeyboard(dev);
+
+	return 0;
+}
+#else
+#define tosakbd_suspend		NULL
+#define tosakbd_resume		NULL
+#endif
+
+static int __devinit tosakbd_probe(struct platform_device *pdev) {
+
+	int i;
+	struct tosakbd *tosakbd;
+	struct input_dev *input_dev;
+	int error;
+
+	tosakbd = kzalloc(sizeof(struct tosakbd), GFP_KERNEL);
+	if (!tosakbd)
+		return -ENOMEM;
+
+	input_dev = input_allocate_device();
+	if (!input_dev) {
+		kfree(tosakbd);
+		return -ENOMEM;
+	}
+
+	platform_set_drvdata(pdev, tosakbd);
+
+	spin_lock_init(&tosakbd->lock);
+
+	/* Init Keyboard rescan timer */
+	init_timer(&tosakbd->timer);
+	tosakbd->timer.function = tosakbd_timer_callback;
+	tosakbd->timer.data = (unsigned long) pdev;
+
+	tosakbd->input = input_dev;
+
+	input_set_drvdata(input_dev, tosakbd);
+	input_dev->name = "Tosa Keyboard";
+	input_dev->phys = "tosakbd/input0";
+	input_dev->dev.parent = &pdev->dev;
+
+	input_dev->id.bustype = BUS_HOST;
+	input_dev->id.vendor = 0x0001;
+	input_dev->id.product = 0x0001;
+	input_dev->id.version = 0x0100;
+
+	input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP);
+	input_dev->keycode = tosakbd->keycode;
+	input_dev->keycodesize = sizeof(unsigned int);
+	input_dev->keycodemax = ARRAY_SIZE(tosakbd_keycode);
+
+	memcpy(tosakbd->keycode, tosakbd_keycode, sizeof(tosakbd_keycode));
+
+	for (i = 0; i < ARRAY_SIZE(tosakbd_keycode); i++)
+		__set_bit(tosakbd->keycode[i], input_dev->keybit);
+	clear_bit(0, input_dev->keybit);
+
+	/* Setup sense interrupts - RisingEdge Detect, sense lines as inputs */
+	for (i = 0; i < TOSA_KEY_SENSE_NUM; i++) {
+		int gpio = TOSA_GPIO_KEY_SENSE(i);
+		int irq;
+		error = gpio_request(gpio, "tosakbd");
+		if (error < 0) {
+			printk(KERN_ERR "tosakbd: failed to request GPIO %d, "
+				" error %d\n", gpio, error);
+			goto fail;
+		}
+
+		error = gpio_direction_input(TOSA_GPIO_KEY_SENSE(i));
+		if (error < 0) {
+			printk(KERN_ERR "tosakbd: failed to configure input"
+				" direction for GPIO %d, error %d\n",
+				gpio, error);
+			gpio_free(gpio);
+			goto fail;
+		}
+
+		irq = gpio_to_irq(gpio);
+		if (irq < 0) {
+			error = irq;
+			printk(KERN_ERR "gpio-keys: Unable to get irq number"
+				" for GPIO %d, error %d\n",
+				gpio, error);
+			gpio_free(gpio);
+			goto fail;
+		}
+
+		error = request_irq(irq, tosakbd_interrupt,
+					IRQF_DISABLED | IRQF_TRIGGER_RISING,
+					"tosakbd", pdev);
+
+		if (error) {
+			printk("tosakbd: Can't get IRQ: %d: error %d!\n",
+					irq, error);
+			gpio_free(gpio);
+			goto fail;
+		}
+	}
+
+	/* Set Strobe lines as outputs - set high */
+	for (i = 0; i < TOSA_KEY_STROBE_NUM; i++) {
+		int gpio = TOSA_GPIO_KEY_STROBE(i);
+		error = gpio_request(gpio, "tosakbd");
+		if (error < 0) {
+			printk(KERN_ERR "tosakbd: failed to request GPIO %d, "
+				" error %d\n", gpio, error);
+			goto fail2;
+		}
+
+		error = gpio_direction_output(gpio, 1);
+		if (error < 0) {
+			printk(KERN_ERR "tosakbd: failed to configure input"
+				" direction for GPIO %d, error %d\n",
+				gpio, error);
+			gpio_free(gpio);
+			goto fail;
+		}
+
+	}
+
+	error = input_register_device(input_dev);
+	if (error) {
+		printk(KERN_ERR "tosakbd: Unable to register input device, "
+			"error: %d\n", error);
+		goto fail;
+	}
+
+	printk(KERN_INFO "input: Tosa Keyboard Registered\n");
+
+	return 0;
+
+fail2:
+	while (--i >= 0)
+		gpio_free(TOSA_GPIO_KEY_STROBE(i));
+
+	i = TOSA_KEY_SENSE_NUM;
+fail:
+	while (--i >= 0) {
+		free_irq(gpio_to_irq(TOSA_GPIO_KEY_SENSE(i)), pdev);
+		gpio_free(TOSA_GPIO_KEY_SENSE(i));
+	}
+
+	platform_set_drvdata(pdev, NULL);
+	input_free_device(input_dev);
+	kfree(tosakbd);
+
+	return error;
+}
+
+static int __devexit tosakbd_remove(struct platform_device *dev) {
+
+	int i;
+	struct tosakbd *tosakbd = platform_get_drvdata(dev);
+
+	for (i = 0; i < TOSA_KEY_STROBE_NUM; i++)
+		gpio_free(TOSA_GPIO_KEY_STROBE(i));
+
+	for (i = 0; i < TOSA_KEY_SENSE_NUM; i++) {
+		free_irq(gpio_to_irq(TOSA_GPIO_KEY_SENSE(i)), dev);
+		gpio_free(TOSA_GPIO_KEY_SENSE(i));
+	}
+
+	del_timer_sync(&tosakbd->timer);
+
+	input_unregister_device(tosakbd->input);
+
+	kfree(tosakbd);
+
+	return 0;
+}
+
+static struct platform_driver tosakbd_driver = {
+	.probe		= tosakbd_probe,
+	.remove		= __devexit_p(tosakbd_remove),
+	.suspend	= tosakbd_suspend,
+	.resume		= tosakbd_resume,
+	.driver		= {
+		.name	= "tosa-keyboard",
+	},
+};
+
+static int __devinit tosakbd_init(void)
+{
+	return platform_driver_register(&tosakbd_driver);
+}
+
+static void __exit tosakbd_exit(void)
+{
+	platform_driver_unregister(&tosakbd_driver);
+}
+
+module_init(tosakbd_init);
+module_exit(tosakbd_exit);
+
+MODULE_AUTHOR("Dirk Opfer <Dirk@Opfer-Online.de>");
+MODULE_DESCRIPTION("Tosa Keyboard Driver");
+MODULE_LICENSE("GPL v2");
diff --git a/include/asm-arm/arch-pxa/tosa.h b/include/asm-arm/arch-pxa/tosa.h
index c3364a2..c05e4fa 100644
--- a/include/asm-arm/arch-pxa/tosa.h
+++ b/include/asm-arm/arch-pxa/tosa.h
@@ -163,4 +163,34 @@
 
 extern struct platform_device tosascoop_jc_device;
 extern struct platform_device tosascoop_device;
+
+#define TOSA_KEY_SYNC		KEY_102ND /* ??? */
+
+
+#ifndef CONFIG_KEYBOARD_TOSA_USE_EXT_KEYCODES
+#define TOSA_KEY_RECORD		KEY_YEN
+#define TOSA_KEY_ADDRESSBOOK	KEY_KATAKANA
+#define TOSA_KEY_CANCEL		KEY_ESC
+#define TOSA_KEY_CENTER		KEY_HIRAGANA
+#define TOSA_KEY_OK		KEY_HENKAN
+#define TOSA_KEY_CALENDAR	KEY_KATAKANAHIRAGANA
+#define TOSA_KEY_HOMEPAGE	KEY_HANGEUL
+#define TOSA_KEY_LIGHT		KEY_MUHENKAN
+#define TOSA_KEY_MENU		KEY_HANJA
+#define TOSA_KEY_FN		KEY_RIGHTALT
+#define TOSA_KEY_MAIL		KEY_ZENKAKUHANKAKU
+#else
+#define TOSA_KEY_RECORD		KEY_RECORD
+#define TOSA_KEY_ADDRESSBOOK	KEY_ADDRESSBOOK
+#define TOSA_KEY_CANCEL		KEY_CANCEL
+#define TOSA_KEY_CENTER		KEY_SELECT /* ??? */
+#define TOSA_KEY_OK		KEY_OK
+#define TOSA_KEY_CALENDAR	KEY_CALENDAR
+#define TOSA_KEY_HOMEPAGE	KEY_HOMEPAGE
+#define TOSA_KEY_LIGHT		KEY_KBDILLUMTOGGLE
+#define TOSA_KEY_MENU		KEY_MENU
+#define TOSA_KEY_FN		KEY_FN
+#define TOSA_KEY_MAIL		KEY_MAIL
+#endif
+
 #endif /* _ASM_ARCH_TOSA_H_ */
-- 
cgit v1.1


From 8987fec0de0a4b71dd345052ea4271eaf05f7956 Mon Sep 17 00:00:00 2001
From: Carlos Corbacho <carlos@strangeworlds.co.uk>
Date: Mon, 21 Jan 2008 01:04:40 -0500
Subject: Input: i8042 - add Dritek keyboard extension quirk

Some Wistron based laptops need us to explicitly enable the 'Dritek
keyboard extension' to make their extra keys start generating scancodes.
Originally, this was just confined to older laptops, but a few Acer
laptops have turned up in 2007 that also need this again.

Signed-off-by: Carlos Corbacho <carlos@strangeworlds.co.uk>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
 drivers/input/serio/i8042-x86ia64io.h | 49 +++++++++++++++++++++++++++++++++++
 drivers/input/serio/i8042.c           | 14 ++++++++++
 2 files changed, 63 insertions(+)

diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index c5e68dc..4f6384d 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -277,6 +277,50 @@ static struct dmi_system_id __initdata i8042_dmi_nomux_table[] = {
 
 #endif
 
+#ifdef CONFIG_X86
+
+#include <linux/dmi.h>
+
+/*
+ * Some Wistron based laptops need us to explicitly enable the 'Dritek
+ * keyboard extension' to make their extra keys start generating scancodes.
+ * Originally, this was just confined to older laptops, but a few Acer laptops
+ * have turned up in 2007 that also need this again.
+ */
+static struct dmi_system_id __initdata i8042_dmi_dritek_table[] = {
+	{
+		.ident = "Acer Aspire 5630",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
+		},
+	},
+	{
+		.ident = "Acer Aspire 5650",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
+		},
+	},
+	{
+		.ident = "Acer Aspire 5680",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
+		},
+	},
+	{
+		.ident = "Acer TravelMate 2490",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
+		},
+	},
+	{ }
+};
+
+#endif /* CONFIG_X86 */
+
 
 #ifdef CONFIG_PNP
 #include <linux/pnp.h>
@@ -520,6 +564,11 @@ static int __init i8042_platform_init(void)
 		i8042_nomux = 1;
 #endif
 
+#ifdef CONFIG_X86
+	if (dmi_check_system(i8042_dmi_dritek_table))
+		i8042_dritek = 1;
+#endif /* CONFIG_X86 */
+
 	return retval;
 }
 
diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
index cbe83bf..1f73cf7 100644
--- a/drivers/input/serio/i8042.c
+++ b/drivers/input/serio/i8042.c
@@ -63,6 +63,12 @@ static unsigned int i8042_blink_frequency = 500;
 module_param_named(panicblink, i8042_blink_frequency, uint, 0600);
 MODULE_PARM_DESC(panicblink, "Frequency with which keyboard LEDs should blink when kernel panics");
 
+#ifdef CONFIG_X86
+static unsigned int i8042_dritek;
+module_param_named(dritek, i8042_dritek, bool, 0);
+MODULE_PARM_DESC(dritek, "Force enable the Dritek keyboard extension");
+#endif
+
 #ifdef CONFIG_PNP
 static int i8042_nopnp;
 module_param_named(nopnp, i8042_nopnp, bool, 0);
@@ -1145,6 +1151,7 @@ static int __devinit i8042_setup_kbd(void)
 static int __devinit i8042_probe(struct platform_device *dev)
 {
 	int error;
+	char param;
 
 	error = i8042_controller_selftest();
 	if (error)
@@ -1166,6 +1173,13 @@ static int __devinit i8042_probe(struct platform_device *dev)
 			goto out_fail;
 	}
 
+	if (i8042_dritek) {
+		param = 0x90;
+		error = i8042_command(&param, 0x1059);
+		if (error)
+			goto out_fail;
+	}
+
 /*
  * Ok, everything is ready, let's register all serio ports
  */
-- 
cgit v1.1


From 3eaeb9c951d060fff71bcdc327eb48ee52ed1c0c Mon Sep 17 00:00:00 2001
From: Francisco Alecrim <francisco.alecrim@indt.org.br>
Date: Mon, 21 Jan 2008 01:05:23 -0500
Subject: Input: remove duplicated headers in drivers/char/keyboard.c

drivers/char/keyboard.c: linux/consolemap.h is included more than once.

Signed-off-by: Francisco Alecrim <francisco.alecrim@indt.org.br>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
 drivers/char/keyboard.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/char/keyboard.c b/drivers/char/keyboard.c
index 5218d0d..4dbd342 100644
--- a/drivers/char/keyboard.c
+++ b/drivers/char/keyboard.c
@@ -38,7 +38,6 @@
 #include <linux/kbd_kern.h>
 #include <linux/kbd_diacr.h>
 #include <linux/vt_kern.h>
-#include <linux/consolemap.h>
 #include <linux/sysrq.h>
 #include <linux/input.h>
 #include <linux/reboot.h>
-- 
cgit v1.1


From 0c1efd365306c9b04df5abdd41e9b4dc721e84fb Mon Sep 17 00:00:00 2001
From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Date: Mon, 21 Jan 2008 01:08:24 -0500
Subject: Input: remove cdev from input_dev structure

Cdev field was obsolete and provided only for backward compatibility
since conversion of input core from class devices to regular devices.
It is time to remove it.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
 drivers/input/input.c | 3 ---
 include/linux/input.h | 4 ----
 2 files changed, 7 deletions(-)

diff --git a/drivers/input/input.c b/drivers/input/input.c
index e1729e1..6ee8af8 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -1395,9 +1395,6 @@ int input_register_device(struct input_dev *dev)
 	snprintf(dev->dev.bus_id, sizeof(dev->dev.bus_id),
 		 "input%ld", (unsigned long) atomic_inc_return(&input_no) - 1);
 
-	if (dev->cdev.dev)
-		dev->dev.parent = dev->cdev.dev;
-
 	error = device_add(&dev->dev);
 	if (error)
 		return error;
diff --git a/include/linux/input.h b/include/linux/input.h
index 9a963fe..48937ff 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -1018,7 +1018,6 @@ struct ff_effect {
  * @going_away: marks devices that are in a middle of unregistering and
  *	causes input_open_device*() fail with -ENODEV.
  * @dev: driver model's view of this device
- * @cdev: union for struct device pointer
  * @h_list: list of input handles associated with the device. When
  *	accessing the list dev->mutex must be held
  * @node: used to place the device onto input_dev_list
@@ -1083,9 +1082,6 @@ struct input_dev {
 	int going_away;
 
 	struct device dev;
-	union {			/* temporarily so while we switching to struct device */
-		struct device *dev;
-	} cdev;
 
 	struct list_head	h_list;
 	struct list_head	node;
-- 
cgit v1.1


From e2c75391dd74173d4855e997c7c3754a6a9b7977 Mon Sep 17 00:00:00 2001
From: Andre Haupt <andre@bitwigglers.org>
Date: Mon, 21 Jan 2008 01:16:15 -0500
Subject: Input: remove duplicate includes

Signed-off-by: Andre Haupt <andre@bitwigglers.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
 drivers/input/gameport/gameport.c       | 1 -
 drivers/input/keyboard/bf54x-keys.c     | 1 -
 drivers/input/keyboard/jornada720_kbd.c | 1 -
 3 files changed, 3 deletions(-)

diff --git a/drivers/input/gameport/gameport.c b/drivers/input/gameport/gameport.c
index 1dc2ac9..c5600ac 100644
--- a/drivers/input/gameport/gameport.c
+++ b/drivers/input/gameport/gameport.c
@@ -17,7 +17,6 @@
 #include <linux/init.h>
 #include <linux/gameport.h>
 #include <linux/wait.h>
-#include <linux/sched.h>
 #include <linux/slab.h>
 #include <linux/delay.h>
 #include <linux/kthread.h>
diff --git a/drivers/input/keyboard/bf54x-keys.c b/drivers/input/keyboard/bf54x-keys.c
index e5f4da9..05e3494 100644
--- a/drivers/input/keyboard/bf54x-keys.c
+++ b/drivers/input/keyboard/bf54x-keys.c
@@ -42,7 +42,6 @@
 #include <linux/delay.h>
 #include <linux/platform_device.h>
 #include <linux/input.h>
-#include <linux/irq.h>
 
 #include <asm/portmux.h>
 #include <asm/mach/bf54x_keys.h>
diff --git a/drivers/input/keyboard/jornada720_kbd.c b/drivers/input/keyboard/jornada720_kbd.c
index e6696b3..986f93c 100644
--- a/drivers/input/keyboard/jornada720_kbd.c
+++ b/drivers/input/keyboard/jornada720_kbd.c
@@ -17,7 +17,6 @@
  */
 #include <linux/device.h>
 #include <linux/errno.h>
-#include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/init.h>
 #include <linux/input.h>
-- 
cgit v1.1


From d182c10c842007984e12b3b816df2b10d997cc8e Mon Sep 17 00:00:00 2001
From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Date: Wed, 30 Jan 2008 16:33:40 -0500
Subject: Input: mousedev - use BIT_MASK instead of BIT

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
 drivers/input/mousedev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/input/mousedev.c b/drivers/input/mousedev.c
index 335eb87..bbbe5e8 100644
--- a/drivers/input/mousedev.c
+++ b/drivers/input/mousedev.c
@@ -1032,7 +1032,7 @@ static const struct input_device_id mousedev_ids[] = {
 		.flags = INPUT_DEVICE_ID_MATCH_EVBIT |
 			INPUT_DEVICE_ID_MATCH_KEYBIT |
 			INPUT_DEVICE_ID_MATCH_ABSBIT,
-		.evbit = { BIT(EV_KEY) | BIT(EV_ABS) | BIT(EV_SYN) },
+		.evbit = { BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS) },
 		.keybit = { [BIT_WORD(BTN_LEFT)] = BIT_MASK(BTN_LEFT) },
 		.absbit = { BIT_MASK(ABS_X) | BIT_MASK(ABS_Y) },
 	},	/* Mouse-like device with absolute X and Y but ordinary
-- 
cgit v1.1


From e17bb1de3b7f7569152c71a51e0bafe5419ab54a Mon Sep 17 00:00:00 2001
From: Richard Purdie <rpurdie@rpsys.net>
Date: Wed, 30 Jan 2008 16:33:59 -0500
Subject: Input: add input event to APM event bridge

This patch adds a very simple input power event to APM user suspend
event bridge. Its currently only works for the systems using the
emulated APM driver but could easily be extended to work with anything
with a true APM BIOS too.

This covers a standard embedded system need which is to suspend when the
user presses a suspend button. It leaves options open to system
integrators to ignore (or unload) this code and implement their own more
complex event handling system.

Its hidden behind the EMBEDDED Kconfig option since its only likely to
be of use to embedded style systems. It can be built as a module so the
"hardcoded" policy can easily be removed from the kernel at runtime if
desired too.

Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
 drivers/input/Kconfig     |  12 +++++
 drivers/input/Makefile    |   1 +
 drivers/input/apm-power.c | 131 ++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 144 insertions(+)
 create mode 100644 drivers/input/apm-power.c

diff --git a/drivers/input/Kconfig b/drivers/input/Kconfig
index 63512d9..9dea14d 100644
--- a/drivers/input/Kconfig
+++ b/drivers/input/Kconfig
@@ -137,6 +137,18 @@ config INPUT_EVBUG
 	  To compile this driver as a module, choose M here: the
 	  module will be called evbug.
 
+config INPUT_APMPOWER
+	tristate "Input Power Event -> APM Bridge" if EMBEDDED
+	depends on INPUT && APM_EMULATION
+	---help---
+	  Say Y here if you want suspend key events to trigger a user
+	  requested suspend through APM. This is useful on embedded
+	  systems where such behviour is desired without userspace
+	  interaction. If unsure, say N.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called apm-power.
+
 comment "Input Device Drivers"
 
 source "drivers/input/keyboard/Kconfig"
diff --git a/drivers/input/Makefile b/drivers/input/Makefile
index 99af903..2ae87b1 100644
--- a/drivers/input/Makefile
+++ b/drivers/input/Makefile
@@ -22,3 +22,4 @@ obj-$(CONFIG_INPUT_TABLET)	+= tablet/
 obj-$(CONFIG_INPUT_TOUCHSCREEN)	+= touchscreen/
 obj-$(CONFIG_INPUT_MISC)	+= misc/
 
+obj-$(CONFIG_INPUT_APMPOWER)	+= apm-power.o
diff --git a/drivers/input/apm-power.c b/drivers/input/apm-power.c
new file mode 100644
index 0000000..c36d110
--- /dev/null
+++ b/drivers/input/apm-power.c
@@ -0,0 +1,131 @@
+/*
+ *  Input Power Event -> APM Bridge
+ *
+ *  Copyright (c) 2007 Richard Purdie
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/input.h>
+#include <linux/slab.h>
+#include <linux/init.h>
+#include <linux/tty.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/apm-emulation.h>
+
+static void system_power_event(unsigned int keycode)
+{
+	switch (keycode) {
+	case KEY_SUSPEND:
+		apm_queue_event(APM_USER_SUSPEND);
+
+		printk(KERN_INFO "apm-power: Requesting system suspend...\n");
+		break;
+	default:
+		break;
+	}
+}
+
+static void apmpower_event(struct input_handle *handle, unsigned int type,
+		        unsigned int code, int value)
+{
+	/* only react on key down events */
+	if (value != 1)
+		return;
+
+	switch (type) {
+	case EV_PWR:
+		system_power_event(code);
+		break;
+
+	default:
+		break;
+	}
+}
+
+static int apmpower_connect(struct input_handler *handler,
+					  struct input_dev *dev,
+					  const struct input_device_id *id)
+{
+	struct input_handle *handle;
+	int error;
+
+	handle = kzalloc(sizeof(struct input_handle), GFP_KERNEL);
+	if (!handle)
+		return -ENOMEM;
+
+	handle->dev = dev;
+	handle->handler = handler;
+	handle->name = "apm-power";
+
+	handler->private = handle;
+
+	error = input_register_handle(handle);
+	if (error) {
+		printk(KERN_ERR
+			"apm-power: Failed to register input power handler, "
+			"error %d\n", error);
+		kfree(handle);
+		return error;
+	}
+
+	error = input_open_device(handle);
+	if (error) {
+		printk(KERN_ERR
+			"apm-power: Failed to open input power device, "
+			"error %d\n", error);
+		input_unregister_handle(handle);
+		kfree(handle);
+		return error;
+	}
+
+	return 0;
+}
+
+static void apmpower_disconnect(struct input_handle *handler)
+{
+	struct input_handle *handle = handler->private;
+
+	input_close_device(handle);
+	kfree(handle);
+}
+
+static const struct input_device_id apmpower_ids[] = {
+	{
+		.flags = INPUT_DEVICE_ID_MATCH_EVBIT,
+		.evbit = { BIT_MASK(EV_PWR) },
+	},
+	{ },
+};
+
+MODULE_DEVICE_TABLE(input, apmpower_ids);
+
+static struct input_handler apmpower_handler = {
+	.event =	apmpower_event,
+	.connect =	apmpower_connect,
+	.disconnect =	apmpower_disconnect,
+	.name =		"apm-power",
+	.id_table =	apmpower_ids,
+};
+
+static int __init apmpower_init(void)
+{
+	return input_register_handler(&apmpower_handler);
+}
+
+static void __exit apmpower_exit(void)
+{
+	input_unregister_handler(&apmpower_handler);
+}
+
+module_init(apmpower_init);
+module_exit(apmpower_exit);
+
+MODULE_AUTHOR("Richard Purdie <rpurdie@rpsys.net>");
+MODULE_DESCRIPTION("Input Power Event -> APM Bridge");
+MODULE_LICENSE("GPL");
-- 
cgit v1.1


From 5799ddb54e829c92b23b7a3bf5133923cb908116 Mon Sep 17 00:00:00 2001
From: Carlos Corbacho <carlos@strangeworlds.co.uk>
Date: Wed, 30 Jan 2008 16:34:12 -0500
Subject: Input: i8042 - add Dritek quirk for Acer Aspire 9110

The Acer Aspire 9110 series also requires the Dritek quirk to enable the
extra scancodes.

Signed-off-by: Carlos Corbacho <carlos@strangeworlds.co.uk>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
 drivers/input/serio/i8042-x86ia64io.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index 4f6384d..0ceb84d 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -310,6 +310,13 @@ static struct dmi_system_id __initdata i8042_dmi_dritek_table[] = {
 		},
 	},
 	{
+		.ident = "Acer Aspire 9110",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
+		},
+	},
+	{
 		.ident = "Acer TravelMate 2490",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
-- 
cgit v1.1


From b4d62de16283d096e2e0dfe9d3395f5ba1b1352e Mon Sep 17 00:00:00 2001
From: Bruce Duncan <B.W.Duncan@sms.ed.ac.uk>
Date: Wed, 30 Jan 2008 16:34:34 -0500
Subject: Input: i8042 - enable DMI quirks on x86-64

If firmware does not implement AUX_LOOP comand in 32 bit mode it
is unlikely to implement it in 64 bit mode. Same goes for active
multiplexing. See:

http://bugzilla.kernel.org/show_bug.cgi?id=9664

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
 drivers/input/serio/i8042-x86ia64io.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index 0ceb84d..9efb90b 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -63,7 +63,7 @@ static inline void i8042_write_command(int val)
 	outb(val, I8042_COMMAND_REG);
 }
 
-#if defined(__i386__)
+#if defined(__i386__) || defined(__x86_64__)
 
 #include <linux/dmi.h>
 
@@ -563,7 +563,7 @@ static int __init i8042_platform_init(void)
         i8042_reset = 1;
 #endif
 
-#if defined(__i386__)
+#if defined(__i386__) || defined(__x86_64__)
 	if (dmi_check_system(i8042_dmi_noloop_table))
 		i8042_noloop = 1;
 
-- 
cgit v1.1


From 3f79b1e94002791a42837a46b5817e87a0ac0873 Mon Sep 17 00:00:00 2001
From: Jiri Kosina <jkosina@suse.cz>
Date: Wed, 30 Jan 2008 16:34:52 -0500
Subject: Input: i8042 - add Fujitsu-Siemens Amilo Pro 2010 to nomux list

Reported-by: Hans Aschauer <Hans.Aschauer@web.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
 drivers/input/serio/i8042-x86ia64io.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index 9efb90b..662e844 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -186,6 +186,13 @@ static struct dmi_system_id __initdata i8042_dmi_nomux_table[] = {
 		},
 	},
 	{
+		.ident = "Fujitsu-Siemens Amilo Pro 2010",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2010"),
+		},
+	},
+	{
 		/*
 		 * No data is coming from the touchscreen unless KBC
 		 * is in legacy mode.
-- 
cgit v1.1


From cec69c376be132a6afdc55b8090a389eaa3cd770 Mon Sep 17 00:00:00 2001
From: Jan Engelhardt <jengelh@computergmbh.de>
Date: Thu, 31 Jan 2008 00:43:32 -0500
Subject: Input: constify function pointer tables (seq_operations)

Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
 drivers/input/input.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/input/input.c b/drivers/input/input.c
index 6ee8af8..f02c242 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -821,7 +821,7 @@ static int input_devices_seq_show(struct seq_file *seq, void *v)
 	return 0;
 }
 
-static struct seq_operations input_devices_seq_ops = {
+static const struct seq_operations input_devices_seq_ops = {
 	.start	= input_devices_seq_start,
 	.next	= input_devices_seq_next,
 	.stop	= input_devices_seq_stop,
@@ -874,7 +874,7 @@ static int input_handlers_seq_show(struct seq_file *seq, void *v)
 
 	return 0;
 }
-static struct seq_operations input_handlers_seq_ops = {
+static const struct seq_operations input_handlers_seq_ops = {
 	.start	= input_handlers_seq_start,
 	.next	= input_handlers_seq_next,
 	.stop	= input_handlers_seq_stop,
-- 
cgit v1.1


From 0e5f11aa80bd01d048f374cc64ef0819ad7d86f2 Mon Sep 17 00:00:00 2001
From: Eric Miao <eric.y.miao@gmail.com>
Date: Thu, 31 Jan 2008 00:56:46 -0500
Subject: Input: pxa27x_keypad - rename the driver (was pxa27x_keyboard)

The controller should really be called keypad, and also align
the naming of functions and structures to use "pxa27x_keypad"
as prefix, instead of "pxakbd".

Signed-off-by: Eric Miao <eric.miao@marvell.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
 drivers/input/keyboard/Kconfig             |   6 +-
 drivers/input/keyboard/Makefile            |   2 +-
 drivers/input/keyboard/pxa27x_keyboard.c   | 274 -----------------------------
 drivers/input/keyboard/pxa27x_keypad.c     | 274 +++++++++++++++++++++++++++++
 include/asm-arm/arch-pxa/pxa27x_keyboard.h |  13 --
 include/asm-arm/arch-pxa/pxa27x_keypad.h   |  13 ++
 6 files changed, 291 insertions(+), 291 deletions(-)
 delete mode 100644 drivers/input/keyboard/pxa27x_keyboard.c
 create mode 100644 drivers/input/keyboard/pxa27x_keypad.c
 delete mode 100644 include/asm-arm/arch-pxa/pxa27x_keyboard.h
 create mode 100644 include/asm-arm/arch-pxa/pxa27x_keypad.h

diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index 0c32762..d5b5f4a 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -260,13 +260,13 @@ config KEYBOARD_OMAP
 	  module will be called omap-keypad.
 
 config KEYBOARD_PXA27x
-	tristate "PXA27x keyboard support"
+	tristate "PXA27x keypad support"
 	depends on PXA27x
 	help
-	  Enable support for PXA27x matrix keyboard controller
+	  Enable support for PXA27x keypad controller
 
 	  To compile this driver as a module, choose M here: the
-	  module will be called pxa27x_keyboard.
+	  module will be called pxa27x_keypad.
 
 config KEYBOARD_AAED2000
 	tristate "AAED-2000 keyboard"
diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile
index 6caa065..e741f40 100644
--- a/drivers/input/keyboard/Makefile
+++ b/drivers/input/keyboard/Makefile
@@ -19,7 +19,7 @@ obj-$(CONFIG_KEYBOARD_TOSA)		+= tosakbd.o
 obj-$(CONFIG_KEYBOARD_HIL)		+= hil_kbd.o
 obj-$(CONFIG_KEYBOARD_HIL_OLD)		+= hilkbd.o
 obj-$(CONFIG_KEYBOARD_OMAP)		+= omap-keypad.o
-obj-$(CONFIG_KEYBOARD_PXA27x)		+= pxa27x_keyboard.o
+obj-$(CONFIG_KEYBOARD_PXA27x)		+= pxa27x_keypad.o
 obj-$(CONFIG_KEYBOARD_AAED2000)		+= aaed2000_kbd.o
 obj-$(CONFIG_KEYBOARD_GPIO)		+= gpio_keys.o
 obj-$(CONFIG_KEYBOARD_HP6XX)		+= jornada680_kbd.o
diff --git a/drivers/input/keyboard/pxa27x_keyboard.c b/drivers/input/keyboard/pxa27x_keyboard.c
deleted file mode 100644
index bdd64ee..0000000
--- a/drivers/input/keyboard/pxa27x_keyboard.c
+++ /dev/null
@@ -1,274 +0,0 @@
-/*
- * linux/drivers/input/keyboard/pxa27x_keyboard.c
- *
- * Driver for the pxa27x matrix keyboard controller.
- *
- * Created:	Feb 22, 2007
- * Author:	Rodolfo Giometti <giometti@linux.it>
- *
- * Based on a previous implementations by Kevin O'Connor
- * <kevin_at_koconnor.net> and Alex Osborne <bobofdoom@gmail.com> and
- * on some suggestions by Nicolas Pitre <nico@cam.org>.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/input.h>
-#include <linux/device.h>
-#include <linux/platform_device.h>
-#include <linux/clk.h>
-#include <linux/err.h>
-
-#include <asm/mach-types.h>
-#include <asm/mach/arch.h>
-#include <asm/mach/map.h>
-
-#include <asm/arch/hardware.h>
-#include <asm/arch/pxa-regs.h>
-#include <asm/arch/irqs.h>
-#include <asm/arch/pxa27x_keyboard.h>
-
-#define DRIVER_NAME		"pxa27x-keyboard"
-
-#define KPASMKP(col)		(col/2 == 0 ? KPASMKP0 : \
-				 col/2 == 1 ? KPASMKP1 : \
-				 col/2 == 2 ? KPASMKP2 : KPASMKP3)
-#define KPASMKPx_MKC(row, col)	(1 << (row + 16 * (col % 2)))
-
-static struct clk *pxakbd_clk;
-
-static irqreturn_t pxakbd_irq_handler(int irq, void *dev_id)
-{
-	struct platform_device *pdev = dev_id;
-	struct pxa27x_keyboard_platform_data *pdata = pdev->dev.platform_data;
-	struct input_dev *input_dev = platform_get_drvdata(pdev);
-	unsigned long kpc = KPC;
-	int p, row, col, rel;
-
-	if (kpc & KPC_DI) {
-		unsigned long kpdk = KPDK;
-
-		if (!(kpdk & KPDK_DKP)) {
-			/* better luck next time */
-		} else if (kpc & KPC_REE0) {
-			unsigned long kprec = KPREC;
-			KPREC = 0x7f;
-
-			if (kprec & KPREC_OF0)
-				rel = (kprec & 0xff) + 0x7f;
-			else if (kprec & KPREC_UF0)
-				rel = (kprec & 0xff) - 0x7f - 0xff;
-			else
-				rel = (kprec & 0xff) - 0x7f;
-
-			if (rel) {
-				input_report_rel(input_dev, REL_WHEEL, rel);
-				input_sync(input_dev);
-			}
-		}
-	}
-
-	if (kpc & KPC_MI) {
-		/* report the status of every button */
-		for (row = 0; row < pdata->nr_rows; row++) {
-			for (col = 0; col < pdata->nr_cols; col++) {
-				p = KPASMKP(col) & KPASMKPx_MKC(row, col) ?
-					1 : 0;
-				pr_debug("keycode %x - pressed %x\n",
-						pdata->keycodes[row][col], p);
-				input_report_key(input_dev,
-						pdata->keycodes[row][col], p);
-			}
-		}
-		input_sync(input_dev);
-	}
-
-	return IRQ_HANDLED;
-}
-
-static int pxakbd_open(struct input_dev *dev)
-{
-	/* Set keypad control register */
-	KPC |= (KPC_ASACT |
-		KPC_MS_ALL |
-		(2 << 6) | KPC_REE0 | KPC_DK_DEB_SEL |
-		KPC_ME | KPC_MIE | KPC_DE | KPC_DIE);
-
-	KPC &= ~KPC_AS;         /* disable automatic scan */
-	KPC &= ~KPC_IMKP;       /* do not ignore multiple keypresses */
-
-	/* Set rotary count to mid-point value */
-	KPREC = 0x7F;
-
-	/* Enable unit clock */
-	clk_enable(pxakbd_clk);
-
-	return 0;
-}
-
-static void pxakbd_close(struct input_dev *dev)
-{
-	/* Disable clock unit */
-	clk_disable(pxakbd_clk);
-}
-
-#ifdef CONFIG_PM
-static int pxakbd_suspend(struct platform_device *pdev, pm_message_t state)
-{
-	struct pxa27x_keyboard_platform_data *pdata = pdev->dev.platform_data;
-
-	/* Save controller status */
-	pdata->reg_kpc = KPC;
-	pdata->reg_kprec = KPREC;
-
-	return 0;
-}
-
-static int pxakbd_resume(struct platform_device *pdev)
-{
-	struct pxa27x_keyboard_platform_data *pdata = pdev->dev.platform_data;
-	struct input_dev *input_dev = platform_get_drvdata(pdev);
-
-	mutex_lock(&input_dev->mutex);
-
-	if (input_dev->users) {
-		/* Restore controller status */
-		KPC = pdata->reg_kpc;
-		KPREC = pdata->reg_kprec;
-
-		/* Enable unit clock */
-		clk_disable(pxakbd_clk);
-		clk_enable(pxakbd_clk);
-	}
-
-	mutex_unlock(&input_dev->mutex);
-
-	return 0;
-}
-#else
-#define pxakbd_suspend	NULL
-#define pxakbd_resume	NULL
-#endif
-
-static int __devinit pxakbd_probe(struct platform_device *pdev)
-{
-	struct pxa27x_keyboard_platform_data *pdata = pdev->dev.platform_data;
-	struct input_dev *input_dev;
-	int i, row, col, error;
-
-	pxakbd_clk = clk_get(&pdev->dev, "KBDCLK");
-	if (IS_ERR(pxakbd_clk)) {
-		error = PTR_ERR(pxakbd_clk);
-		goto err_clk;
-	}
-
-	/* Create and register the input driver. */
-	input_dev = input_allocate_device();
-	if (!input_dev) {
-		printk(KERN_ERR "Cannot request keypad device\n");
-		error = -ENOMEM;
-		goto err_alloc;
-	}
-
-	input_dev->name = DRIVER_NAME;
-	input_dev->id.bustype = BUS_HOST;
-	input_dev->open = pxakbd_open;
-	input_dev->close = pxakbd_close;
-	input_dev->dev.parent = &pdev->dev;
-
-	input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP) |
-		BIT_MASK(EV_REL);
-	input_dev->relbit[BIT_WORD(REL_WHEEL)] = BIT_MASK(REL_WHEEL);
-	for (row = 0; row < pdata->nr_rows; row++) {
-		for (col = 0; col < pdata->nr_cols; col++) {
-			int code = pdata->keycodes[row][col];
-			if (code > 0)
-				set_bit(code, input_dev->keybit);
-		}
-	}
-
-	error = request_irq(IRQ_KEYPAD, pxakbd_irq_handler, IRQF_DISABLED,
-			    DRIVER_NAME, pdev);
-	if (error) {
-		printk(KERN_ERR "Cannot request keypad IRQ\n");
-		goto err_free_dev;
-	}
-
-	platform_set_drvdata(pdev, input_dev);
-
-	/* Register the input device */
-	error = input_register_device(input_dev);
-	if (error)
-		goto err_free_irq;
-
-	/* Setup GPIOs. */
-	for (i = 0; i < pdata->nr_rows + pdata->nr_cols; i++)
-		pxa_gpio_mode(pdata->gpio_modes[i]);
-
-	/*
-	 * Store rows/cols info into keyboard registers.
-	 */
-
-	KPC |= (pdata->nr_rows - 1) << 26;
-	KPC |= (pdata->nr_cols - 1) << 23;
-
-	for (col = 0; col < pdata->nr_cols; col++)
-		KPC |= KPC_MS0 << col;
-
-	return 0;
-
- err_free_irq:
-	platform_set_drvdata(pdev, NULL);
-	free_irq(IRQ_KEYPAD, pdev);
- err_free_dev:
-	input_free_device(input_dev);
- err_alloc:
-	clk_put(pxakbd_clk);
- err_clk:
-	return error;
-}
-
-static int __devexit pxakbd_remove(struct platform_device *pdev)
-{
-	struct input_dev *input_dev = platform_get_drvdata(pdev);
-
-	input_unregister_device(input_dev);
-	free_irq(IRQ_KEYPAD, pdev);
-	clk_put(pxakbd_clk);
-	platform_set_drvdata(pdev, NULL);
-
-	return 0;
-}
-
-static struct platform_driver pxakbd_driver = {
-	.probe		= pxakbd_probe,
-	.remove		= __devexit_p(pxakbd_remove),
-	.suspend	= pxakbd_suspend,
-	.resume		= pxakbd_resume,
-	.driver		= {
-		.name	= DRIVER_NAME,
-	},
-};
-
-static int __init pxakbd_init(void)
-{
-	return platform_driver_register(&pxakbd_driver);
-}
-
-static void __exit pxakbd_exit(void)
-{
-	platform_driver_unregister(&pxakbd_driver);
-}
-
-module_init(pxakbd_init);
-module_exit(pxakbd_exit);
-
-MODULE_DESCRIPTION("PXA27x Matrix Keyboard Driver");
-MODULE_LICENSE("GPL");
diff --git a/drivers/input/keyboard/pxa27x_keypad.c b/drivers/input/keyboard/pxa27x_keypad.c
new file mode 100644
index 0000000..06c1d5a
--- /dev/null
+++ b/drivers/input/keyboard/pxa27x_keypad.c
@@ -0,0 +1,274 @@
+/*
+ * linux/drivers/input/keyboard/pxa27x_keypad.c
+ *
+ * Driver for the pxa27x matrix keyboard controller.
+ *
+ * Created:	Feb 22, 2007
+ * Author:	Rodolfo Giometti <giometti@linux.it>
+ *
+ * Based on a previous implementations by Kevin O'Connor
+ * <kevin_at_koconnor.net> and Alex Osborne <bobofdoom@gmail.com> and
+ * on some suggestions by Nicolas Pitre <nico@cam.org>.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/input.h>
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include <asm/arch/hardware.h>
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/irqs.h>
+#include <asm/arch/pxa27x_keypad.h>
+
+#define DRIVER_NAME		"pxa27x-keypad"
+
+#define KPASMKP(col)		(col/2 == 0 ? KPASMKP0 : \
+				 col/2 == 1 ? KPASMKP1 : \
+				 col/2 == 2 ? KPASMKP2 : KPASMKP3)
+#define KPASMKPx_MKC(row, col)	(1 << (row + 16 * (col % 2)))
+
+static struct clk *pxa27x_keypad_clk;
+
+static irqreturn_t pxa27x_keypad_irq_handler(int irq, void *dev_id)
+{
+	struct platform_device *pdev = dev_id;
+	struct pxa27x_keypad_platform_data *pdata = pdev->dev.platform_data;
+	struct input_dev *input_dev = platform_get_drvdata(pdev);
+	unsigned long kpc = KPC;
+	int p, row, col, rel;
+
+	if (kpc & KPC_DI) {
+		unsigned long kpdk = KPDK;
+
+		if (!(kpdk & KPDK_DKP)) {
+			/* better luck next time */
+		} else if (kpc & KPC_REE0) {
+			unsigned long kprec = KPREC;
+			KPREC = 0x7f;
+
+			if (kprec & KPREC_OF0)
+				rel = (kprec & 0xff) + 0x7f;
+			else if (kprec & KPREC_UF0)
+				rel = (kprec & 0xff) - 0x7f - 0xff;
+			else
+				rel = (kprec & 0xff) - 0x7f;
+
+			if (rel) {
+				input_report_rel(input_dev, REL_WHEEL, rel);
+				input_sync(input_dev);
+			}
+		}
+	}
+
+	if (kpc & KPC_MI) {
+		/* report the status of every button */
+		for (row = 0; row < pdata->nr_rows; row++) {
+			for (col = 0; col < pdata->nr_cols; col++) {
+				p = KPASMKP(col) & KPASMKPx_MKC(row, col) ?
+					1 : 0;
+				pr_debug("keycode %x - pressed %x\n",
+						pdata->keycodes[row][col], p);
+				input_report_key(input_dev,
+						pdata->keycodes[row][col], p);
+			}
+		}
+		input_sync(input_dev);
+	}
+
+	return IRQ_HANDLED;
+}
+
+static int pxa27x_keypad_open(struct input_dev *dev)
+{
+	/* Set keypad control register */
+	KPC |= (KPC_ASACT |
+		KPC_MS_ALL |
+		(2 << 6) | KPC_REE0 | KPC_DK_DEB_SEL |
+		KPC_ME | KPC_MIE | KPC_DE | KPC_DIE);
+
+	KPC &= ~KPC_AS;         /* disable automatic scan */
+	KPC &= ~KPC_IMKP;       /* do not ignore multiple keypresses */
+
+	/* Set rotary count to mid-point value */
+	KPREC = 0x7F;
+
+	/* Enable unit clock */
+	clk_enable(pxa27x_keypad_clk);
+
+	return 0;
+}
+
+static void pxa27x_keypad_close(struct input_dev *dev)
+{
+	/* Disable clock unit */
+	clk_disable(pxa27x_keypad_clk);
+}
+
+#ifdef CONFIG_PM
+static int pxa27x_keypad_suspend(struct platform_device *pdev, pm_message_t state)
+{
+	struct pxa27x_keypad_platform_data *pdata = pdev->dev.platform_data;
+
+	/* Save controller status */
+	pdata->reg_kpc = KPC;
+	pdata->reg_kprec = KPREC;
+
+	return 0;
+}
+
+static int pxa27x_keypad_resume(struct platform_device *pdev)
+{
+	struct pxa27x_keypad_platform_data *pdata = pdev->dev.platform_data;
+	struct input_dev *input_dev = platform_get_drvdata(pdev);
+
+	mutex_lock(&input_dev->mutex);
+
+	if (input_dev->users) {
+		/* Restore controller status */
+		KPC = pdata->reg_kpc;
+		KPREC = pdata->reg_kprec;
+
+		/* Enable unit clock */
+		clk_disable(pxa27x_keypad_clk);
+		clk_enable(pxa27x_keypad_clk);
+	}
+
+	mutex_unlock(&input_dev->mutex);
+
+	return 0;
+}
+#else
+#define pxa27x_keypad_suspend	NULL
+#define pxa27x_keypad_resume	NULL
+#endif
+
+static int __devinit pxa27x_keypad_probe(struct platform_device *pdev)
+{
+	struct pxa27x_keypad_platform_data *pdata = pdev->dev.platform_data;
+	struct input_dev *input_dev;
+	int i, row, col, error;
+
+	pxa27x_keypad_clk = clk_get(&pdev->dev, "KBDCLK");
+	if (IS_ERR(pxa27x_keypad_clk)) {
+		error = PTR_ERR(pxa27x_keypad_clk);
+		goto err_clk;
+	}
+
+	/* Create and register the input driver. */
+	input_dev = input_allocate_device();
+	if (!input_dev) {
+		printk(KERN_ERR "Cannot request keypad device\n");
+		error = -ENOMEM;
+		goto err_alloc;
+	}
+
+	input_dev->name = DRIVER_NAME;
+	input_dev->id.bustype = BUS_HOST;
+	input_dev->open = pxa27x_keypad_open;
+	input_dev->close = pxa27x_keypad_close;
+	input_dev->dev.parent = &pdev->dev;
+
+	input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP) |
+		BIT_MASK(EV_REL);
+	input_dev->relbit[BIT_WORD(REL_WHEEL)] = BIT_MASK(REL_WHEEL);
+	for (row = 0; row < pdata->nr_rows; row++) {
+		for (col = 0; col < pdata->nr_cols; col++) {
+			int code = pdata->keycodes[row][col];
+			if (code > 0)
+				set_bit(code, input_dev->keybit);
+		}
+	}
+
+	error = request_irq(IRQ_KEYPAD, pxa27x_keypad_irq_handler, IRQF_DISABLED,
+			    DRIVER_NAME, pdev);
+	if (error) {
+		printk(KERN_ERR "Cannot request keypad IRQ\n");
+		goto err_free_dev;
+	}
+
+	platform_set_drvdata(pdev, input_dev);
+
+	/* Register the input device */
+	error = input_register_device(input_dev);
+	if (error)
+		goto err_free_irq;
+
+	/* Setup GPIOs. */
+	for (i = 0; i < pdata->nr_rows + pdata->nr_cols; i++)
+		pxa_gpio_mode(pdata->gpio_modes[i]);
+
+	/*
+	 * Store rows/cols info into keyboard registers.
+	 */
+
+	KPC |= (pdata->nr_rows - 1) << 26;
+	KPC |= (pdata->nr_cols - 1) << 23;
+
+	for (col = 0; col < pdata->nr_cols; col++)
+		KPC |= KPC_MS0 << col;
+
+	return 0;
+
+ err_free_irq:
+	platform_set_drvdata(pdev, NULL);
+	free_irq(IRQ_KEYPAD, pdev);
+ err_free_dev:
+	input_free_device(input_dev);
+ err_alloc:
+	clk_put(pxa27x_keypad_clk);
+ err_clk:
+	return error;
+}
+
+static int __devexit pxa27x_keypad_remove(struct platform_device *pdev)
+{
+	struct input_dev *input_dev = platform_get_drvdata(pdev);
+
+	input_unregister_device(input_dev);
+	free_irq(IRQ_KEYPAD, pdev);
+	clk_put(pxa27x_keypad_clk);
+	platform_set_drvdata(pdev, NULL);
+
+	return 0;
+}
+
+static struct platform_driver pxa27x_keypad_driver = {
+	.probe		= pxa27x_keypad_probe,
+	.remove		= __devexit_p(pxa27x_keypad_remove),
+	.suspend	= pxa27x_keypad_suspend,
+	.resume		= pxa27x_keypad_resume,
+	.driver		= {
+		.name	= DRIVER_NAME,
+	},
+};
+
+static int __init pxa27x_keypad_init(void)
+{
+	return platform_driver_register(&pxa27x_keypad_driver);
+}
+
+static void __exit pxa27x_keypad_exit(void)
+{
+	platform_driver_unregister(&pxa27x_keypad_driver);
+}
+
+module_init(pxa27x_keypad_init);
+module_exit(pxa27x_keypad_exit);
+
+MODULE_DESCRIPTION("PXA27x Keypad Controller Driver");
+MODULE_LICENSE("GPL");
diff --git a/include/asm-arm/arch-pxa/pxa27x_keyboard.h b/include/asm-arm/arch-pxa/pxa27x_keyboard.h
deleted file mode 100644
index 3aaff92..0000000
--- a/include/asm-arm/arch-pxa/pxa27x_keyboard.h
+++ /dev/null
@@ -1,13 +0,0 @@
-#define PXAKBD_MAXROW		8
-#define PXAKBD_MAXCOL		8
-
-struct pxa27x_keyboard_platform_data {
-	int nr_rows, nr_cols;
-	int keycodes[PXAKBD_MAXROW][PXAKBD_MAXCOL];
-	int gpio_modes[PXAKBD_MAXROW + PXAKBD_MAXCOL];
-
-#ifdef CONFIG_PM
-	u32 reg_kpc;
-	u32 reg_kprec;
-#endif
-};
diff --git a/include/asm-arm/arch-pxa/pxa27x_keypad.h b/include/asm-arm/arch-pxa/pxa27x_keypad.h
new file mode 100644
index 0000000..f19f74a
--- /dev/null
+++ b/include/asm-arm/arch-pxa/pxa27x_keypad.h
@@ -0,0 +1,13 @@
+#define PXAKBD_MAXROW		8
+#define PXAKBD_MAXCOL		8
+
+struct pxa27x_keypad_platform_data {
+	int nr_rows, nr_cols;
+	int keycodes[PXAKBD_MAXROW][PXAKBD_MAXCOL];
+	int gpio_modes[PXAKBD_MAXROW + PXAKBD_MAXCOL];
+
+#ifdef CONFIG_PM
+	u32 reg_kpc;
+	u32 reg_kprec;
+#endif
+};
-- 
cgit v1.1


From 1a1cd739a4b985f87c47e2809db7e240dba2c385 Mon Sep 17 00:00:00 2001
From: Eric Miao <eric.y.miao@gmail.com>
Date: Thu, 31 Jan 2008 00:58:00 -0500
Subject: Input: pxa27x_keypad - remove pin configuration from the driver

The pin configurations will slowly be moved to the board specific code
at initialization thus to make the driver more generic.

Signed-off-by: Eric Miao <eric.miao@marvell.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
 drivers/input/keyboard/pxa27x_keypad.c   | 4 ----
 include/asm-arm/arch-pxa/pxa27x_keypad.h | 1 -
 2 files changed, 5 deletions(-)

diff --git a/drivers/input/keyboard/pxa27x_keypad.c b/drivers/input/keyboard/pxa27x_keypad.c
index 06c1d5a..43fb63d 100644
--- a/drivers/input/keyboard/pxa27x_keypad.c
+++ b/drivers/input/keyboard/pxa27x_keypad.c
@@ -208,10 +208,6 @@ static int __devinit pxa27x_keypad_probe(struct platform_device *pdev)
 	if (error)
 		goto err_free_irq;
 
-	/* Setup GPIOs. */
-	for (i = 0; i < pdata->nr_rows + pdata->nr_cols; i++)
-		pxa_gpio_mode(pdata->gpio_modes[i]);
-
 	/*
 	 * Store rows/cols info into keyboard registers.
 	 */
diff --git a/include/asm-arm/arch-pxa/pxa27x_keypad.h b/include/asm-arm/arch-pxa/pxa27x_keypad.h
index f19f74a..ef17db6 100644
--- a/include/asm-arm/arch-pxa/pxa27x_keypad.h
+++ b/include/asm-arm/arch-pxa/pxa27x_keypad.h
@@ -4,7 +4,6 @@
 struct pxa27x_keypad_platform_data {
 	int nr_rows, nr_cols;
 	int keycodes[PXAKBD_MAXROW][PXAKBD_MAXCOL];
-	int gpio_modes[PXAKBD_MAXROW + PXAKBD_MAXCOL];
 
 #ifdef CONFIG_PM
 	u32 reg_kpc;
-- 
cgit v1.1


From 1814db69698479eec2c000a43c83b5f263f6fbb6 Mon Sep 17 00:00:00 2001
From: Eric Miao <eric.y.miao@gmail.com>
Date: Thu, 31 Jan 2008 00:58:37 -0500
Subject: Input: pxa27x_keypad - introduce driver structure and use KEY() to
 define matrix keys

 1. Introduce the "struct pxa27x_keypad" structure for driver specific
    information, such as "struct clk", generated matrix key codes and
    so on

 2. Use KEY() macro to define matrix keys, instead of original 8x8 map
    this makes definition easier with keypad where keys are sparse

 3. Keep a generated array in "struct pxa27x_keypad" for fast lookup

 4. Separate the matrix scan into a dedicated function for readability
    and report only those keys whose state has been changed, instead
    of report all states

 5. Make use of KPAS to decide the faster path if only one key has been
    detected

Signed-off-by: Eric Miao <eric.miao@marvell.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
 drivers/input/keyboard/pxa27x_keypad.c   | 224 +++++++++++++++++++++++--------
 include/asm-arm/arch-pxa/pxa27x_keypad.h |  21 ++-
 2 files changed, 184 insertions(+), 61 deletions(-)

diff --git a/drivers/input/keyboard/pxa27x_keypad.c b/drivers/input/keyboard/pxa27x_keypad.c
index 43fb63d..8de35b0 100644
--- a/drivers/input/keyboard/pxa27x_keypad.c
+++ b/drivers/input/keyboard/pxa27x_keypad.c
@@ -37,20 +37,120 @@
 
 #define DRIVER_NAME		"pxa27x-keypad"
 
-#define KPASMKP(col)		(col/2 == 0 ? KPASMKP0 : \
-				 col/2 == 1 ? KPASMKP1 : \
-				 col/2 == 2 ? KPASMKP2 : KPASMKP3)
-#define KPASMKPx_MKC(row, col)	(1 << (row + 16 * (col % 2)))
+#define KPAS_MUKP(n)		(((n) >> 26) & 0x1f)
+#define KPAS_RP(n)		(((n) >> 4) & 0xf)
+#define KPAS_CP(n)		((n) & 0xf)
 
-static struct clk *pxa27x_keypad_clk;
+#define KPASMKP_MKC_MASK	(0xff)
+
+#define MAX_MATRIX_KEY_NUM	(8 * 8)
+
+struct pxa27x_keypad {
+	struct pxa27x_keypad_platform_data *pdata;
+
+	struct clk *clk;
+	struct input_dev *input_dev;
+
+	/* matrix key code map */
+	unsigned int matrix_keycodes[MAX_MATRIX_KEY_NUM];
+
+	/* state row bits of each column scan */
+	uint32_t matrix_key_state[MAX_MATRIX_KEY_COLS];
+};
+
+static void pxa27x_keypad_build_keycode(struct pxa27x_keypad *keypad)
+{
+	struct pxa27x_keypad_platform_data *pdata = keypad->pdata;
+	struct input_dev *input_dev = keypad->input_dev;
+	unsigned int *key;
+	int i;
+
+	key = &pdata->matrix_key_map[0];
+	for (i = 0; i < pdata->matrix_key_map_size; i++, key++) {
+		int row = ((*key) >> 28) & 0xf;
+		int col = ((*key) >> 24) & 0xf;
+		int code = (*key) & 0xffffff;
+
+		keypad->matrix_keycodes[(row << 3) + col] = code;
+		set_bit(code, input_dev->keybit);
+	}
+}
+
+static inline unsigned int lookup_matrix_keycode(
+		struct pxa27x_keypad *keypad, int row, int col)
+{
+	return keypad->matrix_keycodes[(row << 3) + col];
+}
+
+static void pxa27x_keypad_scan_matrix(struct pxa27x_keypad *keypad)
+{
+	struct pxa27x_keypad_platform_data *pdata = keypad->pdata;
+	int row, col, num_keys_pressed = 0;
+	uint32_t new_state[MAX_MATRIX_KEY_COLS];
+	uint32_t kpas = KPAS;
+
+	num_keys_pressed = KPAS_MUKP(kpas);
+
+	memset(new_state, 0, sizeof(new_state));
+
+	if (num_keys_pressed == 0)
+		goto scan;
+
+	if (num_keys_pressed == 1) {
+		col = KPAS_CP(kpas);
+		row = KPAS_RP(kpas);
+
+		/* if invalid row/col, treat as no key pressed */
+		if (col >= pdata->matrix_key_cols ||
+		    row >= pdata->matrix_key_rows)
+			goto scan;
+
+		new_state[col] = (1 << row);
+		goto scan;
+	}
+
+	if (num_keys_pressed > 1) {
+		uint32_t kpasmkp0 = KPASMKP0;
+		uint32_t kpasmkp1 = KPASMKP1;
+		uint32_t kpasmkp2 = KPASMKP2;
+		uint32_t kpasmkp3 = KPASMKP3;
+
+		new_state[0] = kpasmkp0 & KPASMKP_MKC_MASK;
+		new_state[1] = (kpasmkp0 >> 16) & KPASMKP_MKC_MASK;
+		new_state[2] = kpasmkp1 & KPASMKP_MKC_MASK;
+		new_state[3] = (kpasmkp1 >> 16) & KPASMKP_MKC_MASK;
+		new_state[4] = kpasmkp2 & KPASMKP_MKC_MASK;
+		new_state[5] = (kpasmkp2 >> 16) & KPASMKP_MKC_MASK;
+		new_state[6] = kpasmkp3 & KPASMKP_MKC_MASK;
+		new_state[7] = (kpasmkp3 >> 16) & KPASMKP_MKC_MASK;
+	}
+scan:
+	for (col = 0; col < pdata->matrix_key_cols; col++) {
+		uint32_t bits_changed;
+
+		bits_changed = keypad->matrix_key_state[col] ^ new_state[col];
+		if (bits_changed == 0)
+			continue;
+
+		for (row = 0; row < pdata->matrix_key_rows; row++) {
+			if ((bits_changed & (1 << row)) == 0)
+				continue;
+
+			input_report_key(keypad->input_dev,
+				lookup_matrix_keycode(keypad, row, col),
+				new_state[col] & (1 << row));
+		}
+	}
+	input_sync(keypad->input_dev);
+	memcpy(keypad->matrix_key_state, new_state, sizeof(new_state));
+}
 
 static irqreturn_t pxa27x_keypad_irq_handler(int irq, void *dev_id)
 {
-	struct platform_device *pdev = dev_id;
-	struct pxa27x_keypad_platform_data *pdata = pdev->dev.platform_data;
-	struct input_dev *input_dev = platform_get_drvdata(pdev);
+	struct pxa27x_keypad *keypad = dev_id;
+	struct input_dev *input_dev = keypad->input_dev;
 	unsigned long kpc = KPC;
-	int p, row, col, rel;
+	int rel;
 
 	if (kpc & KPC_DI) {
 		unsigned long kpdk = KPDK;
@@ -75,26 +175,16 @@ static irqreturn_t pxa27x_keypad_irq_handler(int irq, void *dev_id)
 		}
 	}
 
-	if (kpc & KPC_MI) {
-		/* report the status of every button */
-		for (row = 0; row < pdata->nr_rows; row++) {
-			for (col = 0; col < pdata->nr_cols; col++) {
-				p = KPASMKP(col) & KPASMKPx_MKC(row, col) ?
-					1 : 0;
-				pr_debug("keycode %x - pressed %x\n",
-						pdata->keycodes[row][col], p);
-				input_report_key(input_dev,
-						pdata->keycodes[row][col], p);
-			}
-		}
-		input_sync(input_dev);
-	}
+	if (kpc & KPC_MI)
+		pxa27x_keypad_scan_matrix(keypad);
 
 	return IRQ_HANDLED;
 }
 
 static int pxa27x_keypad_open(struct input_dev *dev)
 {
+	struct pxa27x_keypad *keypad = input_get_drvdata(dev);
+
 	/* Set keypad control register */
 	KPC |= (KPC_ASACT |
 		KPC_MS_ALL |
@@ -108,21 +198,24 @@ static int pxa27x_keypad_open(struct input_dev *dev)
 	KPREC = 0x7F;
 
 	/* Enable unit clock */
-	clk_enable(pxa27x_keypad_clk);
+	clk_enable(keypad->clk);
 
 	return 0;
 }
 
 static void pxa27x_keypad_close(struct input_dev *dev)
 {
+	struct pxa27x_keypad *keypad = input_get_drvdata(dev);
+
 	/* Disable clock unit */
-	clk_disable(pxa27x_keypad_clk);
+	clk_disable(keypad->clk);
 }
 
 #ifdef CONFIG_PM
 static int pxa27x_keypad_suspend(struct platform_device *pdev, pm_message_t state)
 {
-	struct pxa27x_keypad_platform_data *pdata = pdev->dev.platform_data;
+	struct pxa27x_keypad *keypad = platform_get_drvdata(pdev);
+	struct pxa27x_keypad_platform_data *pdata = keypad->pdata;
 
 	/* Save controller status */
 	pdata->reg_kpc = KPC;
@@ -133,8 +226,9 @@ static int pxa27x_keypad_suspend(struct platform_device *pdev, pm_message_t stat
 
 static int pxa27x_keypad_resume(struct platform_device *pdev)
 {
-	struct pxa27x_keypad_platform_data *pdata = pdev->dev.platform_data;
-	struct input_dev *input_dev = platform_get_drvdata(pdev);
+	struct pxa27x_keypad *keypad = platform_get_drvdata(pdev);
+	struct pxa27x_keypad_platform_data *pdata = keypad->pdata;
+	struct input_dev *input_dev = keypad->input_dev;
 
 	mutex_lock(&input_dev->mutex);
 
@@ -144,8 +238,7 @@ static int pxa27x_keypad_resume(struct platform_device *pdev)
 		KPREC = pdata->reg_kprec;
 
 		/* Enable unit clock */
-		clk_disable(pxa27x_keypad_clk);
-		clk_enable(pxa27x_keypad_clk);
+		clk_enable(keypad->clk);
 	}
 
 	mutex_unlock(&input_dev->mutex);
@@ -159,22 +252,36 @@ static int pxa27x_keypad_resume(struct platform_device *pdev)
 
 static int __devinit pxa27x_keypad_probe(struct platform_device *pdev)
 {
-	struct pxa27x_keypad_platform_data *pdata = pdev->dev.platform_data;
+	struct pxa27x_keypad *keypad;
 	struct input_dev *input_dev;
-	int i, row, col, error;
+	int col, error;
 
-	pxa27x_keypad_clk = clk_get(&pdev->dev, "KBDCLK");
-	if (IS_ERR(pxa27x_keypad_clk)) {
-		error = PTR_ERR(pxa27x_keypad_clk);
-		goto err_clk;
+	keypad = kzalloc(sizeof(struct pxa27x_keypad), GFP_KERNEL);
+	if (keypad == NULL) {
+		dev_err(&pdev->dev, "failed to allocate driver data\n");
+		return -ENOMEM;
+	}
+
+	keypad->pdata = pdev->dev.platform_data;
+	if (keypad->pdata == NULL) {
+		dev_err(&pdev->dev, "no platform data defined\n");
+		error = -EINVAL;
+		goto failed_free;
+	}
+
+	keypad->clk = clk_get(&pdev->dev, "KBDCLK");
+	if (IS_ERR(keypad->clk)) {
+		dev_err(&pdev->dev, "failed to get keypad clock\n");
+		error = PTR_ERR(keypad->clk);
+		goto failed_free;
 	}
 
 	/* Create and register the input driver. */
 	input_dev = input_allocate_device();
 	if (!input_dev) {
-		printk(KERN_ERR "Cannot request keypad device\n");
+		dev_err(&pdev->dev, "failed to allocate input device\n");
 		error = -ENOMEM;
-		goto err_alloc;
+		goto failed_put_clk;
 	}
 
 	input_dev->name = DRIVER_NAME;
@@ -183,25 +290,23 @@ static int __devinit pxa27x_keypad_probe(struct platform_device *pdev)
 	input_dev->close = pxa27x_keypad_close;
 	input_dev->dev.parent = &pdev->dev;
 
+	keypad->input_dev = input_dev;
+	input_set_drvdata(input_dev, keypad);
+
 	input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP) |
 		BIT_MASK(EV_REL);
 	input_dev->relbit[BIT_WORD(REL_WHEEL)] = BIT_MASK(REL_WHEEL);
-	for (row = 0; row < pdata->nr_rows; row++) {
-		for (col = 0; col < pdata->nr_cols; col++) {
-			int code = pdata->keycodes[row][col];
-			if (code > 0)
-				set_bit(code, input_dev->keybit);
-		}
-	}
+
+	pxa27x_keypad_build_keycode(keypad);
 
 	error = request_irq(IRQ_KEYPAD, pxa27x_keypad_irq_handler, IRQF_DISABLED,
-			    DRIVER_NAME, pdev);
+			    DRIVER_NAME, keypad);
 	if (error) {
 		printk(KERN_ERR "Cannot request keypad IRQ\n");
 		goto err_free_dev;
 	}
 
-	platform_set_drvdata(pdev, input_dev);
+	platform_set_drvdata(pdev, keypad);
 
 	/* Register the input device */
 	error = input_register_device(input_dev);
@@ -212,10 +317,10 @@ static int __devinit pxa27x_keypad_probe(struct platform_device *pdev)
 	 * Store rows/cols info into keyboard registers.
 	 */
 
-	KPC |= (pdata->nr_rows - 1) << 26;
-	KPC |= (pdata->nr_cols - 1) << 23;
+	KPC |= (keypad->pdata->matrix_key_rows - 1) << 26;
+	KPC |= (keypad->pdata->matrix_key_cols - 1) << 23;
 
-	for (col = 0; col < pdata->nr_cols; col++)
+	for (col = 0; col < keypad->pdata->matrix_key_cols; col++)
 		KPC |= KPC_MS0 << col;
 
 	return 0;
@@ -225,21 +330,26 @@ static int __devinit pxa27x_keypad_probe(struct platform_device *pdev)
 	free_irq(IRQ_KEYPAD, pdev);
  err_free_dev:
 	input_free_device(input_dev);
- err_alloc:
-	clk_put(pxa27x_keypad_clk);
- err_clk:
+failed_put_clk:
+	clk_put(keypad->clk);
+failed_free:
+	kfree(keypad);
 	return error;
 }
 
 static int __devexit pxa27x_keypad_remove(struct platform_device *pdev)
 {
-	struct input_dev *input_dev = platform_get_drvdata(pdev);
+	struct pxa27x_keypad *keypad = platform_get_drvdata(pdev);
 
-	input_unregister_device(input_dev);
 	free_irq(IRQ_KEYPAD, pdev);
-	clk_put(pxa27x_keypad_clk);
-	platform_set_drvdata(pdev, NULL);
 
+	clk_disable(keypad->clk);
+	clk_put(keypad->clk);
+
+	input_unregister_device(keypad->input_dev);
+
+	platform_set_drvdata(pdev, NULL);
+	kfree(keypad);
 	return 0;
 }
 
diff --git a/include/asm-arm/arch-pxa/pxa27x_keypad.h b/include/asm-arm/arch-pxa/pxa27x_keypad.h
index ef17db6..1b1bf9f 100644
--- a/include/asm-arm/arch-pxa/pxa27x_keypad.h
+++ b/include/asm-arm/arch-pxa/pxa27x_keypad.h
@@ -1,12 +1,25 @@
-#define PXAKBD_MAXROW		8
-#define PXAKBD_MAXCOL		8
+#ifndef __ASM_ARCH_PXA27x_KEYPAD_H
+#define __ASM_ARCH_PXA27x_KEYPAD_H
+
+#include <linux/input.h>
+
+#define MAX_MATRIX_KEY_ROWS	(8)
+#define MAX_MATRIX_KEY_COLS	(8)
 
 struct pxa27x_keypad_platform_data {
-	int nr_rows, nr_cols;
-	int keycodes[PXAKBD_MAXROW][PXAKBD_MAXCOL];
+
+	/* code map for the matrix keys */
+	unsigned int	matrix_key_rows;
+	unsigned int	matrix_key_cols;
+	unsigned int	*matrix_key_map;
+	int		matrix_key_map_size;
 
 #ifdef CONFIG_PM
 	u32 reg_kpc;
 	u32 reg_kprec;
 #endif
 };
+
+#define KEY(row, col, val)	(((row) << 28) | ((col) << 24) | (val))
+
+#endif /* __ASM_ARCH_PXA27x_KEYPAD_H */
-- 
cgit v1.1


From d7416f9eaa5427f47648973aac3a65e7a0eeda04 Mon Sep 17 00:00:00 2001
From: Eric Miao <eric.y.miao@gmail.com>
Date: Thu, 31 Jan 2008 00:58:52 -0500
Subject: Input: pxa27x_keypad - introduce pxa27x_keypad_config()

Introduce pxa27x_keypad_config() for keypad registers configuration
and remove the reg_kpc, reg_kprec from platform data structure
so that configurations of keypad registers can be centralized to a
single function.

It can also be re-used when resuming.

Signed-off-by: Eric Miao <eric.miao@marvell.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
 drivers/input/keyboard/pxa27x_keypad.c   | 60 +++++++++++++++-----------------
 include/asm-arm/arch-pxa/pxa27x_keypad.h |  5 ---
 2 files changed, 28 insertions(+), 37 deletions(-)

diff --git a/drivers/input/keyboard/pxa27x_keypad.c b/drivers/input/keyboard/pxa27x_keypad.c
index 8de35b0..e9d4e22 100644
--- a/drivers/input/keyboard/pxa27x_keypad.c
+++ b/drivers/input/keyboard/pxa27x_keypad.c
@@ -37,6 +37,10 @@
 
 #define DRIVER_NAME		"pxa27x-keypad"
 
+#define KPC_MKRN(n)	((((n) & 0x7) - 1) << 26) /* matrix key row number */
+#define KPC_MKCN(n)	((((n) & 0x7) - 1) << 23) /* matrix key column number */
+#define KPC_DKN(n)	((((n) & 0x7) - 1) << 6)  /* direct key number */
+
 #define KPAS_MUKP(n)		(((n) >> 26) & 0x1f)
 #define KPAS_RP(n)		(((n) >> 4) & 0xf)
 #define KPAS_CP(n)		((n) & 0xf)
@@ -145,6 +149,8 @@ scan:
 	memcpy(keypad->matrix_key_state, new_state, sizeof(new_state));
 }
 
+#define DEFAULT_KPREC	(0x007f007f)
+
 static irqreturn_t pxa27x_keypad_irq_handler(int irq, void *dev_id)
 {
 	struct pxa27x_keypad *keypad = dev_id;
@@ -181,24 +187,32 @@ static irqreturn_t pxa27x_keypad_irq_handler(int irq, void *dev_id)
 	return IRQ_HANDLED;
 }
 
-static int pxa27x_keypad_open(struct input_dev *dev)
+static void pxa27x_keypad_config(struct pxa27x_keypad *keypad)
 {
-	struct pxa27x_keypad *keypad = input_get_drvdata(dev);
+	struct pxa27x_keypad_platform_data *pdata = keypad->pdata;
+	unsigned long kpc = 0;
 
-	/* Set keypad control register */
-	KPC |= (KPC_ASACT |
-		KPC_MS_ALL |
-		(2 << 6) | KPC_REE0 | KPC_DK_DEB_SEL |
-		KPC_ME | KPC_MIE | KPC_DE | KPC_DIE);
+	/* enable matrix keys with automatic scan */
+	if (pdata->matrix_key_rows && pdata->matrix_key_cols) {
+		kpc |= KPC_ASACT | KPC_MIE | KPC_ME | KPC_MS_ALL;
+		kpc |= KPC_MKRN(pdata->matrix_key_rows) |
+		       KPC_MKCN(pdata->matrix_key_cols);
+	}
 
-	KPC &= ~KPC_AS;         /* disable automatic scan */
-	KPC &= ~KPC_IMKP;       /* do not ignore multiple keypresses */
+	/* FIXME: hardcoded to enable rotary 0 _only_ */
+	kpc |= KPC_DKN(2) | KPC_REE0 | KPC_DI | KPC_DIE;
 
-	/* Set rotary count to mid-point value */
-	KPREC = 0x7F;
+	KPC = kpc;
+	KPREC = DEFAULT_KPREC;
+}
+
+static int pxa27x_keypad_open(struct input_dev *dev)
+{
+	struct pxa27x_keypad *keypad = input_get_drvdata(dev);
 
 	/* Enable unit clock */
 	clk_enable(keypad->clk);
+	pxa27x_keypad_config(keypad);
 
 	return 0;
 }
@@ -215,30 +229,22 @@ static void pxa27x_keypad_close(struct input_dev *dev)
 static int pxa27x_keypad_suspend(struct platform_device *pdev, pm_message_t state)
 {
 	struct pxa27x_keypad *keypad = platform_get_drvdata(pdev);
-	struct pxa27x_keypad_platform_data *pdata = keypad->pdata;
-
-	/* Save controller status */
-	pdata->reg_kpc = KPC;
-	pdata->reg_kprec = KPREC;
 
+	clk_disable(keypad->clk);
 	return 0;
 }
 
 static int pxa27x_keypad_resume(struct platform_device *pdev)
 {
 	struct pxa27x_keypad *keypad = platform_get_drvdata(pdev);
-	struct pxa27x_keypad_platform_data *pdata = keypad->pdata;
 	struct input_dev *input_dev = keypad->input_dev;
 
 	mutex_lock(&input_dev->mutex);
 
 	if (input_dev->users) {
-		/* Restore controller status */
-		KPC = pdata->reg_kpc;
-		KPREC = pdata->reg_kprec;
-
 		/* Enable unit clock */
 		clk_enable(keypad->clk);
+		pxa27x_keypad_config(keypad);
 	}
 
 	mutex_unlock(&input_dev->mutex);
@@ -254,7 +260,7 @@ static int __devinit pxa27x_keypad_probe(struct platform_device *pdev)
 {
 	struct pxa27x_keypad *keypad;
 	struct input_dev *input_dev;
-	int col, error;
+	int error;
 
 	keypad = kzalloc(sizeof(struct pxa27x_keypad), GFP_KERNEL);
 	if (keypad == NULL) {
@@ -313,16 +319,6 @@ static int __devinit pxa27x_keypad_probe(struct platform_device *pdev)
 	if (error)
 		goto err_free_irq;
 
-	/*
-	 * Store rows/cols info into keyboard registers.
-	 */
-
-	KPC |= (keypad->pdata->matrix_key_rows - 1) << 26;
-	KPC |= (keypad->pdata->matrix_key_cols - 1) << 23;
-
-	for (col = 0; col < keypad->pdata->matrix_key_cols; col++)
-		KPC |= KPC_MS0 << col;
-
 	return 0;
 
  err_free_irq:
diff --git a/include/asm-arm/arch-pxa/pxa27x_keypad.h b/include/asm-arm/arch-pxa/pxa27x_keypad.h
index 1b1bf9f..23f4ebc 100644
--- a/include/asm-arm/arch-pxa/pxa27x_keypad.h
+++ b/include/asm-arm/arch-pxa/pxa27x_keypad.h
@@ -13,11 +13,6 @@ struct pxa27x_keypad_platform_data {
 	unsigned int	matrix_key_cols;
 	unsigned int	*matrix_key_map;
 	int		matrix_key_map_size;
-
-#ifdef CONFIG_PM
-	u32 reg_kpc;
-	u32 reg_kprec;
-#endif
 };
 
 #define KEY(row, col, val)	(((row) << 28) | ((col) << 24) | (val))
-- 
cgit v1.1


From 62059d9e912717abbfb875440621d935d091f289 Mon Sep 17 00:00:00 2001
From: Eric Miao <eric.y.miao@gmail.com>
Date: Thu, 31 Jan 2008 00:59:03 -0500
Subject: Input: pxa27x_keypad - enable rotary encoders and direct keys

1. Rotary encoder events can be configured either as relative events
   as the legacy code does or as any specified key code, this is
   useful on some platform which uses the rotary keys as
   KEY_{UP/DOWN/LEFT/RIGHT}

2. Add support for direct keys, the corresponding keycodes for each
   direct key can now be specified within the platform data

3. Remove the direct/rotary key detection code from the IRQ handler
   to dedicated functions to improve readability

Signed-off-by: Eric Miao <eric.miao@marvell.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
 drivers/input/keyboard/pxa27x_keypad.c   | 163 +++++++++++++++++++++++++------
 include/asm-arm/arch-pxa/pxa27x_keypad.h |  30 ++++++
 2 files changed, 164 insertions(+), 29 deletions(-)

diff --git a/drivers/input/keyboard/pxa27x_keypad.c b/drivers/input/keyboard/pxa27x_keypad.c
index e9d4e22..cd25b34 100644
--- a/drivers/input/keyboard/pxa27x_keypad.c
+++ b/drivers/input/keyboard/pxa27x_keypad.c
@@ -41,6 +41,9 @@
 #define KPC_MKCN(n)	((((n) & 0x7) - 1) << 23) /* matrix key column number */
 #define KPC_DKN(n)	((((n) & 0x7) - 1) << 6)  /* direct key number */
 
+#define KPDK_DKP        (0x1 << 31)
+#define KPDK_DK(n)	((n) & 0xff)
+
 #define KPAS_MUKP(n)		(((n) >> 26) & 0x1f)
 #define KPAS_RP(n)		(((n) >> 4) & 0xf)
 #define KPAS_CP(n)		((n) & 0xf)
@@ -60,6 +63,13 @@ struct pxa27x_keypad {
 
 	/* state row bits of each column scan */
 	uint32_t matrix_key_state[MAX_MATRIX_KEY_COLS];
+	uint32_t direct_key_state;
+
+	unsigned int direct_key_mask;
+
+	int rotary_rel_code[2];
+	int rotary_up_key[2];
+	int rotary_down_key[2];
 };
 
 static void pxa27x_keypad_build_keycode(struct pxa27x_keypad *keypad)
@@ -78,6 +88,25 @@ static void pxa27x_keypad_build_keycode(struct pxa27x_keypad *keypad)
 		keypad->matrix_keycodes[(row << 3) + col] = code;
 		set_bit(code, input_dev->keybit);
 	}
+
+	keypad->rotary_up_key[0] = pdata->rotary0_up_key;
+	keypad->rotary_up_key[1] = pdata->rotary1_up_key;
+	keypad->rotary_down_key[0] = pdata->rotary0_down_key;
+	keypad->rotary_down_key[1] = pdata->rotary1_down_key;
+	keypad->rotary_rel_code[0] = pdata->rotary0_rel_code;
+	keypad->rotary_rel_code[1] = pdata->rotary1_rel_code;
+
+	if (pdata->rotary0_up_key && pdata->rotary0_down_key) {
+		set_bit(pdata->rotary0_up_key, input_dev->keybit);
+		set_bit(pdata->rotary0_down_key, input_dev->keybit);
+	} else
+		set_bit(pdata->rotary0_rel_code, input_dev->relbit);
+
+	if (pdata->rotary1_up_key && pdata->rotary1_down_key) {
+		set_bit(pdata->rotary1_up_key, input_dev->keybit);
+		set_bit(pdata->rotary1_down_key, input_dev->keybit);
+	} else
+		set_bit(pdata->rotary1_rel_code, input_dev->relbit);
 }
 
 static inline unsigned int lookup_matrix_keycode(
@@ -151,35 +180,92 @@ scan:
 
 #define DEFAULT_KPREC	(0x007f007f)
 
+static inline int rotary_delta(uint32_t kprec)
+{
+	if (kprec & KPREC_OF0)
+		return (kprec & 0xff) + 0x7f;
+	else if (kprec & KPREC_UF0)
+		return (kprec & 0xff) - 0x7f - 0xff;
+	else
+		return (kprec & 0xff) - 0x7f;
+}
+
+static void report_rotary_event(struct pxa27x_keypad *keypad, int r, int delta)
+{
+	struct input_dev *dev = keypad->input_dev;
+
+	if (delta == 0)
+		return;
+
+	if (keypad->rotary_up_key[r] && keypad->rotary_down_key[r]) {
+		int keycode = (delta > 0) ? keypad->rotary_up_key[r] :
+					    keypad->rotary_down_key[r];
+
+		/* simulate a press-n-release */
+		input_report_key(dev, keycode, 1);
+		input_sync(dev);
+		input_report_key(dev, keycode, 0);
+		input_sync(dev);
+	} else {
+		input_report_rel(dev, keypad->rotary_rel_code[r], delta);
+		input_sync(dev);
+	}
+}
+
+static void pxa27x_keypad_scan_rotary(struct pxa27x_keypad *keypad)
+{
+	struct pxa27x_keypad_platform_data *pdata = keypad->pdata;
+	uint32_t kprec;
+
+	/* read and reset to default count value */
+	kprec = KPREC;
+	KPREC = DEFAULT_KPREC;
+
+	if (pdata->enable_rotary0)
+		report_rotary_event(keypad, 0, rotary_delta(kprec));
+
+	if (pdata->enable_rotary1)
+		report_rotary_event(keypad, 1, rotary_delta(kprec >> 16));
+}
+
+static void pxa27x_keypad_scan_direct(struct pxa27x_keypad *keypad)
+{
+	struct pxa27x_keypad_platform_data *pdata = keypad->pdata;
+	unsigned int new_state;
+	uint32_t kpdk, bits_changed;
+	int i;
+
+	kpdk = KPDK;
+
+	if (pdata->enable_rotary0 || pdata->enable_rotary1)
+		pxa27x_keypad_scan_rotary(keypad);
+
+	if (pdata->direct_key_map == NULL)
+		return;
+
+	new_state = KPDK_DK(kpdk) & keypad->direct_key_mask;
+	bits_changed = keypad->direct_key_state ^ new_state;
+
+	if (bits_changed == 0)
+		return;
+
+	for (i = 0; i < pdata->direct_key_num; i++) {
+		if (bits_changed & (1 << i))
+			input_report_key(keypad->input_dev,
+					pdata->direct_key_map[i],
+					(new_state & (1 << i)));
+	}
+	input_sync(keypad->input_dev);
+	keypad->direct_key_state = new_state;
+}
+
 static irqreturn_t pxa27x_keypad_irq_handler(int irq, void *dev_id)
 {
 	struct pxa27x_keypad *keypad = dev_id;
-	struct input_dev *input_dev = keypad->input_dev;
 	unsigned long kpc = KPC;
-	int rel;
-
-	if (kpc & KPC_DI) {
-		unsigned long kpdk = KPDK;
-
-		if (!(kpdk & KPDK_DKP)) {
-			/* better luck next time */
-		} else if (kpc & KPC_REE0) {
-			unsigned long kprec = KPREC;
-			KPREC = 0x7f;
-
-			if (kprec & KPREC_OF0)
-				rel = (kprec & 0xff) + 0x7f;
-			else if (kprec & KPREC_UF0)
-				rel = (kprec & 0xff) - 0x7f - 0xff;
-			else
-				rel = (kprec & 0xff) - 0x7f;
-
-			if (rel) {
-				input_report_rel(input_dev, REL_WHEEL, rel);
-				input_sync(input_dev);
-			}
-		}
-	}
+
+	if (kpc & KPC_DI)
+		pxa27x_keypad_scan_direct(keypad);
 
 	if (kpc & KPC_MI)
 		pxa27x_keypad_scan_matrix(keypad);
@@ -190,6 +276,7 @@ static irqreturn_t pxa27x_keypad_irq_handler(int irq, void *dev_id)
 static void pxa27x_keypad_config(struct pxa27x_keypad *keypad)
 {
 	struct pxa27x_keypad_platform_data *pdata = keypad->pdata;
+	unsigned int mask = 0, direct_key_num = 0;
 	unsigned long kpc = 0;
 
 	/* enable matrix keys with automatic scan */
@@ -199,10 +286,29 @@ static void pxa27x_keypad_config(struct pxa27x_keypad *keypad)
 		       KPC_MKCN(pdata->matrix_key_cols);
 	}
 
-	/* FIXME: hardcoded to enable rotary 0 _only_ */
-	kpc |= KPC_DKN(2) | KPC_REE0 | KPC_DI | KPC_DIE;
+	/* enable rotary key, debounce interval same as direct keys */
+	if (pdata->enable_rotary0) {
+		mask |= 0x03;
+		direct_key_num = 2;
+		kpc |= KPC_REE0;
+	}
+
+	if (pdata->enable_rotary1) {
+		mask |= 0x0c;
+		direct_key_num = 4;
+		kpc |= KPC_REE1;
+	}
+
+	if (pdata->direct_key_num > direct_key_num)
+		direct_key_num = pdata->direct_key_num;
+
+	keypad->direct_key_mask = ((2 << direct_key_num) - 1) & ~mask;
+
+	/* enable direct key */
+	if (direct_key_num)
+		kpc |= KPC_DE | KPC_DIE | KPC_DKN(direct_key_num);
 
-	KPC = kpc;
+	KPC = kpc | KPC_RE_ZERO_DEB;
 	KPREC = DEFAULT_KPREC;
 }
 
@@ -301,7 +407,6 @@ static int __devinit pxa27x_keypad_probe(struct platform_device *pdev)
 
 	input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP) |
 		BIT_MASK(EV_REL);
-	input_dev->relbit[BIT_WORD(REL_WHEEL)] = BIT_MASK(REL_WHEEL);
 
 	pxa27x_keypad_build_keycode(keypad);
 
diff --git a/include/asm-arm/arch-pxa/pxa27x_keypad.h b/include/asm-arm/arch-pxa/pxa27x_keypad.h
index 23f4ebc..6b832329 100644
--- a/include/asm-arm/arch-pxa/pxa27x_keypad.h
+++ b/include/asm-arm/arch-pxa/pxa27x_keypad.h
@@ -6,6 +6,20 @@
 #define MAX_MATRIX_KEY_ROWS	(8)
 #define MAX_MATRIX_KEY_COLS	(8)
 
+/* pxa3xx keypad platform specific parameters
+ *
+ * NOTE:
+ * 1. direct_key_num indicates the number of keys in the direct keypad
+ *    _plus_ the number of rotary-encoder sensor inputs,  this can be
+ *    left as 0 if only rotary encoders are enabled,  the driver will
+ *    automatically calculate this
+ *
+ * 2. direct_key_map is the key code map for the direct keys, if rotary
+ *    encoder(s) are enabled, direct key 0/1(2/3) will be ignored
+ *
+ * 3. rotary can be either interpreted as a relative input event (e.g.
+ *    REL_WHEEL/REL_HWHEEL) or specific keys (e.g. UP/DOWN/LEFT/RIGHT)
+ */
 struct pxa27x_keypad_platform_data {
 
 	/* code map for the matrix keys */
@@ -13,6 +27,22 @@ struct pxa27x_keypad_platform_data {
 	unsigned int	matrix_key_cols;
 	unsigned int	*matrix_key_map;
 	int		matrix_key_map_size;
+
+	/* direct keys */
+	int		direct_key_num;
+	unsigned int	direct_key_map[8];
+
+	/* rotary encoders 0 */
+	int		enable_rotary0;
+	int		rotary0_rel_code;
+	int		rotary0_up_key;
+	int		rotary0_down_key;
+
+	/* rotary encoders 1 */
+	int		enable_rotary1;
+	int		rotary1_rel_code;
+	int		rotary1_up_key;
+	int		rotary1_down_key;
 };
 
 #define KEY(row, col, val)	(((row) << 28) | ((col) << 24) | (val))
-- 
cgit v1.1


From 9c60debd2a666dc0e8466dee556af30ea68e97d2 Mon Sep 17 00:00:00 2001
From: Eric Miao <eric.miao@marvell.com>
Date: Thu, 31 Jan 2008 00:59:15 -0500
Subject: Input: pxa27x_keypad - use device resources for I/O memory mapping
 and IRQ

1. use ioremap() for registers access, this improves the portability
   of the driver (e.g. same IP on different processor with different
   I/O memory range), and make it possible to remove those registers
   definition in pxa-regs.h as PXA is undergoing a clean-up of that
   header file

2. use device specific IRQ instead of hardcoded IRQ_KEYPAD, same
   reason as above

3. clean up the error handling path in _probe()

4. remove DRIVER_NAME and use pdev->name when necessary, we don't
   actually need a constant string literals

Signed-off-by: Eric Miao <eric.miao@marvell.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
 drivers/input/keyboard/pxa27x_keypad.c | 158 ++++++++++++++++++++++++++-------
 1 file changed, 124 insertions(+), 34 deletions(-)

diff --git a/drivers/input/keyboard/pxa27x_keypad.c b/drivers/input/keyboard/pxa27x_keypad.c
index cd25b34..ceaf1e0 100644
--- a/drivers/input/keyboard/pxa27x_keypad.c
+++ b/drivers/input/keyboard/pxa27x_keypad.c
@@ -31,25 +31,71 @@
 #include <asm/mach/map.h>
 
 #include <asm/arch/hardware.h>
-#include <asm/arch/pxa-regs.h>
-#include <asm/arch/irqs.h>
 #include <asm/arch/pxa27x_keypad.h>
 
-#define DRIVER_NAME		"pxa27x-keypad"
-
+/*
+ * Keypad Controller registers
+ */
+#define KPC             0x0000 /* Keypad Control register */
+#define KPDK            0x0008 /* Keypad Direct Key register */
+#define KPREC           0x0010 /* Keypad Rotary Encoder register */
+#define KPMK            0x0018 /* Keypad Matrix Key register */
+#define KPAS            0x0020 /* Keypad Automatic Scan register */
+
+/* Keypad Automatic Scan Multiple Key Presser register 0-3 */
+#define KPASMKP0        0x0028
+#define KPASMKP1        0x0030
+#define KPASMKP2        0x0038
+#define KPASMKP3        0x0040
+#define KPKDI           0x0048
+
+/* bit definitions */
 #define KPC_MKRN(n)	((((n) & 0x7) - 1) << 26) /* matrix key row number */
 #define KPC_MKCN(n)	((((n) & 0x7) - 1) << 23) /* matrix key column number */
 #define KPC_DKN(n)	((((n) & 0x7) - 1) << 6)  /* direct key number */
 
+#define KPC_AS          (0x1 << 30)  /* Automatic Scan bit */
+#define KPC_ASACT       (0x1 << 29)  /* Automatic Scan on Activity */
+#define KPC_MI          (0x1 << 22)  /* Matrix interrupt bit */
+#define KPC_IMKP        (0x1 << 21)  /* Ignore Multiple Key Press */
+
+#define KPC_MS(n)	(0x1 << (13 + (n)))	/* Matrix scan line 'n' */
+#define KPC_MS_ALL      (0xff << 13)
+
+#define KPC_ME          (0x1 << 12)  /* Matrix Keypad Enable */
+#define KPC_MIE         (0x1 << 11)  /* Matrix Interrupt Enable */
+#define KPC_DK_DEB_SEL	(0x1 <<  9)  /* Direct Keypad Debounce Select */
+#define KPC_DI          (0x1 <<  5)  /* Direct key interrupt bit */
+#define KPC_RE_ZERO_DEB (0x1 <<  4)  /* Rotary Encoder Zero Debounce */
+#define KPC_REE1        (0x1 <<  3)  /* Rotary Encoder1 Enable */
+#define KPC_REE0        (0x1 <<  2)  /* Rotary Encoder0 Enable */
+#define KPC_DE          (0x1 <<  1)  /* Direct Keypad Enable */
+#define KPC_DIE         (0x1 <<  0)  /* Direct Keypad interrupt Enable */
+
 #define KPDK_DKP        (0x1 << 31)
 #define KPDK_DK(n)	((n) & 0xff)
 
-#define KPAS_MUKP(n)		(((n) >> 26) & 0x1f)
-#define KPAS_RP(n)		(((n) >> 4) & 0xf)
-#define KPAS_CP(n)		((n) & 0xf)
+#define KPREC_OF1       (0x1 << 31)
+#define kPREC_UF1       (0x1 << 30)
+#define KPREC_OF0       (0x1 << 15)
+#define KPREC_UF0       (0x1 << 14)
+
+#define KPREC_RECOUNT0(n)	((n) & 0xff)
+#define KPREC_RECOUNT1(n)	(((n) >> 16) & 0xff)
+
+#define KPMK_MKP        (0x1 << 31)
+#define KPAS_SO         (0x1 << 31)
+#define KPASMKPx_SO     (0x1 << 31)
+
+#define KPAS_MUKP(n)	(((n) >> 26) & 0x1f)
+#define KPAS_RP(n)	(((n) >> 4) & 0xf)
+#define KPAS_CP(n)	((n) & 0xf)
 
 #define KPASMKP_MKC_MASK	(0xff)
 
+#define keypad_readl(off)	__raw_readl(keypad->mmio_base + (off))
+#define keypad_writel(off, v)	__raw_writel((v), keypad->mmio_base + (off))
+
 #define MAX_MATRIX_KEY_NUM	(8 * 8)
 
 struct pxa27x_keypad {
@@ -57,6 +103,7 @@ struct pxa27x_keypad {
 
 	struct clk *clk;
 	struct input_dev *input_dev;
+	void __iomem *mmio_base;
 
 	/* matrix key code map */
 	unsigned int matrix_keycodes[MAX_MATRIX_KEY_NUM];
@@ -120,7 +167,7 @@ static void pxa27x_keypad_scan_matrix(struct pxa27x_keypad *keypad)
 	struct pxa27x_keypad_platform_data *pdata = keypad->pdata;
 	int row, col, num_keys_pressed = 0;
 	uint32_t new_state[MAX_MATRIX_KEY_COLS];
-	uint32_t kpas = KPAS;
+	uint32_t kpas = keypad_readl(KPAS);
 
 	num_keys_pressed = KPAS_MUKP(kpas);
 
@@ -143,10 +190,10 @@ static void pxa27x_keypad_scan_matrix(struct pxa27x_keypad *keypad)
 	}
 
 	if (num_keys_pressed > 1) {
-		uint32_t kpasmkp0 = KPASMKP0;
-		uint32_t kpasmkp1 = KPASMKP1;
-		uint32_t kpasmkp2 = KPASMKP2;
-		uint32_t kpasmkp3 = KPASMKP3;
+		uint32_t kpasmkp0 = keypad_readl(KPASMKP0);
+		uint32_t kpasmkp1 = keypad_readl(KPASMKP1);
+		uint32_t kpasmkp2 = keypad_readl(KPASMKP2);
+		uint32_t kpasmkp3 = keypad_readl(KPASMKP3);
 
 		new_state[0] = kpasmkp0 & KPASMKP_MKC_MASK;
 		new_state[1] = (kpasmkp0 >> 16) & KPASMKP_MKC_MASK;
@@ -218,8 +265,8 @@ static void pxa27x_keypad_scan_rotary(struct pxa27x_keypad *keypad)
 	uint32_t kprec;
 
 	/* read and reset to default count value */
-	kprec = KPREC;
-	KPREC = DEFAULT_KPREC;
+	kprec = keypad_readl(KPREC);
+	keypad_writel(KPREC, DEFAULT_KPREC);
 
 	if (pdata->enable_rotary0)
 		report_rotary_event(keypad, 0, rotary_delta(kprec));
@@ -235,7 +282,7 @@ static void pxa27x_keypad_scan_direct(struct pxa27x_keypad *keypad)
 	uint32_t kpdk, bits_changed;
 	int i;
 
-	kpdk = KPDK;
+	kpdk = keypad_readl(KPDK);
 
 	if (pdata->enable_rotary0 || pdata->enable_rotary1)
 		pxa27x_keypad_scan_rotary(keypad);
@@ -262,7 +309,7 @@ static void pxa27x_keypad_scan_direct(struct pxa27x_keypad *keypad)
 static irqreturn_t pxa27x_keypad_irq_handler(int irq, void *dev_id)
 {
 	struct pxa27x_keypad *keypad = dev_id;
-	unsigned long kpc = KPC;
+	unsigned long kpc = keypad_readl(KPC);
 
 	if (kpc & KPC_DI)
 		pxa27x_keypad_scan_direct(keypad);
@@ -308,8 +355,8 @@ static void pxa27x_keypad_config(struct pxa27x_keypad *keypad)
 	if (direct_key_num)
 		kpc |= KPC_DE | KPC_DIE | KPC_DKN(direct_key_num);
 
-	KPC = kpc | KPC_RE_ZERO_DEB;
-	KPREC = DEFAULT_KPREC;
+	keypad_writel(KPC, kpc | KPC_RE_ZERO_DEB);
+	keypad_writel(KPREC, DEFAULT_KPREC);
 }
 
 static int pxa27x_keypad_open(struct input_dev *dev)
@@ -362,11 +409,14 @@ static int pxa27x_keypad_resume(struct platform_device *pdev)
 #define pxa27x_keypad_resume	NULL
 #endif
 
+#define res_size(res)	((res)->end - (res)->start + 1)
+
 static int __devinit pxa27x_keypad_probe(struct platform_device *pdev)
 {
 	struct pxa27x_keypad *keypad;
 	struct input_dev *input_dev;
-	int error;
+	struct resource *res;
+	int irq, error;
 
 	keypad = kzalloc(sizeof(struct pxa27x_keypad), GFP_KERNEL);
 	if (keypad == NULL) {
@@ -381,11 +431,39 @@ static int __devinit pxa27x_keypad_probe(struct platform_device *pdev)
 		goto failed_free;
 	}
 
+	irq = platform_get_irq(pdev, 0);
+	if (irq < 0) {
+		dev_err(&pdev->dev, "failed to get keypad irq\n");
+		error = -ENXIO;
+		goto failed_free;
+	}
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (res == NULL) {
+		dev_err(&pdev->dev, "failed to get I/O memory\n");
+		error = -ENXIO;
+		goto failed_free;
+	}
+
+	res = request_mem_region(res->start, res_size(res), pdev->name);
+	if (res == NULL) {
+		dev_err(&pdev->dev, "failed to request I/O memory\n");
+		error = -EBUSY;
+		goto failed_free;
+	}
+
+	keypad->mmio_base = ioremap(res->start, res_size(res));
+	if (keypad->mmio_base == NULL) {
+		dev_err(&pdev->dev, "failed to remap I/O memory\n");
+		error = -ENXIO;
+		goto failed_free_mem;
+	}
+
 	keypad->clk = clk_get(&pdev->dev, "KBDCLK");
 	if (IS_ERR(keypad->clk)) {
 		dev_err(&pdev->dev, "failed to get keypad clock\n");
 		error = PTR_ERR(keypad->clk);
-		goto failed_free;
+		goto failed_free_io;
 	}
 
 	/* Create and register the input driver. */
@@ -396,7 +474,7 @@ static int __devinit pxa27x_keypad_probe(struct platform_device *pdev)
 		goto failed_put_clk;
 	}
 
-	input_dev->name = DRIVER_NAME;
+	input_dev->name = pdev->name;
 	input_dev->id.bustype = BUS_HOST;
 	input_dev->open = pxa27x_keypad_open;
 	input_dev->close = pxa27x_keypad_close;
@@ -409,30 +487,35 @@ static int __devinit pxa27x_keypad_probe(struct platform_device *pdev)
 		BIT_MASK(EV_REL);
 
 	pxa27x_keypad_build_keycode(keypad);
+	platform_set_drvdata(pdev, keypad);
 
-	error = request_irq(IRQ_KEYPAD, pxa27x_keypad_irq_handler, IRQF_DISABLED,
-			    DRIVER_NAME, keypad);
+	error = request_irq(irq, pxa27x_keypad_irq_handler, IRQF_DISABLED,
+			    pdev->name, keypad);
 	if (error) {
-		printk(KERN_ERR "Cannot request keypad IRQ\n");
-		goto err_free_dev;
+		dev_err(&pdev->dev, "failed to request IRQ\n");
+		goto failed_free_dev;
 	}
 
-	platform_set_drvdata(pdev, keypad);
-
 	/* Register the input device */
 	error = input_register_device(input_dev);
-	if (error)
-		goto err_free_irq;
+	if (error) {
+		dev_err(&pdev->dev, "failed to register input device\n");
+		goto failed_free_irq;
+	}
 
 	return 0;
 
- err_free_irq:
+failed_free_irq:
+	free_irq(irq, pdev);
 	platform_set_drvdata(pdev, NULL);
-	free_irq(IRQ_KEYPAD, pdev);
- err_free_dev:
+failed_free_dev:
 	input_free_device(input_dev);
 failed_put_clk:
 	clk_put(keypad->clk);
+failed_free_io:
+	iounmap(keypad->mmio_base);
+failed_free_mem:
+	release_mem_region(res->start, res_size(res));
 failed_free:
 	kfree(keypad);
 	return error;
@@ -441,13 +524,20 @@ failed_free:
 static int __devexit pxa27x_keypad_remove(struct platform_device *pdev)
 {
 	struct pxa27x_keypad *keypad = platform_get_drvdata(pdev);
+	struct resource *res;
 
-	free_irq(IRQ_KEYPAD, pdev);
+	free_irq(platform_get_irq(pdev, 0), pdev);
 
 	clk_disable(keypad->clk);
 	clk_put(keypad->clk);
 
 	input_unregister_device(keypad->input_dev);
+	input_free_device(keypad->input_dev);
+
+	iounmap(keypad->mmio_base);
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	release_mem_region(res->start, res_size(res));
 
 	platform_set_drvdata(pdev, NULL);
 	kfree(keypad);
@@ -460,7 +550,7 @@ static struct platform_driver pxa27x_keypad_driver = {
 	.suspend	= pxa27x_keypad_suspend,
 	.resume		= pxa27x_keypad_resume,
 	.driver		= {
-		.name	= DRIVER_NAME,
+		.name	= "pxa27x-keypad",
 	},
 };
 
-- 
cgit v1.1


From 76cb44e1a853f9c438ccf62eb5006f089430da72 Mon Sep 17 00:00:00 2001
From: Eric Miao <eric.y.miao@gmail.com>
Date: Thu, 31 Jan 2008 00:59:23 -0500
Subject: Input: pxa27x_keypad - add debounce_interval to the keypad platform
 data

Currently, only one debounce_interval is introduced for both direct and
matrix keys. This is true in most cases, although the keypad controller
supports different debounce for direct/matrix keys.

Some platforms do require this to be tuned, instead of the default
reset value of 100ms.

Rotary encoder will always use zero debounce time for now to achieve
certain sensitivity.

Signed-off-by: Eric Miao <eric.miao@marvell.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
 drivers/input/keyboard/pxa27x_keypad.c   | 1 +
 include/asm-arm/arch-pxa/pxa27x_keypad.h | 6 ++++++
 2 files changed, 7 insertions(+)

diff --git a/drivers/input/keyboard/pxa27x_keypad.c b/drivers/input/keyboard/pxa27x_keypad.c
index ceaf1e0..6224c2f 100644
--- a/drivers/input/keyboard/pxa27x_keypad.c
+++ b/drivers/input/keyboard/pxa27x_keypad.c
@@ -357,6 +357,7 @@ static void pxa27x_keypad_config(struct pxa27x_keypad *keypad)
 
 	keypad_writel(KPC, kpc | KPC_RE_ZERO_DEB);
 	keypad_writel(KPREC, DEFAULT_KPREC);
+	keypad_writel(KPKDI, pdata->debounce_interval);
 }
 
 static int pxa27x_keypad_open(struct input_dev *dev)
diff --git a/include/asm-arm/arch-pxa/pxa27x_keypad.h b/include/asm-arm/arch-pxa/pxa27x_keypad.h
index 6b832329..644f760 100644
--- a/include/asm-arm/arch-pxa/pxa27x_keypad.h
+++ b/include/asm-arm/arch-pxa/pxa27x_keypad.h
@@ -19,6 +19,9 @@
  *
  * 3. rotary can be either interpreted as a relative input event (e.g.
  *    REL_WHEEL/REL_HWHEEL) or specific keys (e.g. UP/DOWN/LEFT/RIGHT)
+ *
+ * 4. matrix key and direct key will use the same debounce_interval by
+ *    default, which should be sufficient in most cases
  */
 struct pxa27x_keypad_platform_data {
 
@@ -43,6 +46,9 @@ struct pxa27x_keypad_platform_data {
 	int		rotary1_rel_code;
 	int		rotary1_up_key;
 	int		rotary1_down_key;
+
+	/* key debounce interval */
+	unsigned int	debounce_interval;
 };
 
 #define KEY(row, col, val)	(((row) << 28) | ((col) << 24) | (val))
-- 
cgit v1.1


From e0f2677f0d21cfff9d45160343e6246417e55d02 Mon Sep 17 00:00:00 2001
From: Eric Miao <eric.y.miao@gmail.com>
Date: Thu, 31 Jan 2008 00:59:31 -0500
Subject: Input: pxa27x_keypad - also enable on PXA3xx

Signed-off-by: Eric Miao <eric.miao@marvell.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
 drivers/input/keyboard/Kconfig | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index d5b5f4a..8ea709b 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -260,10 +260,10 @@ config KEYBOARD_OMAP
 	  module will be called omap-keypad.
 
 config KEYBOARD_PXA27x
-	tristate "PXA27x keypad support"
-	depends on PXA27x
+	tristate "PXA27x/PXA3xx keypad support"
+	depends on PXA27x || PXA3xx
 	help
-	  Enable support for PXA27x keypad controller
+	  Enable support for PXA27x/PXA3xx keypad controller
 
 	  To compile this driver as a module, choose M here: the
 	  module will be called pxa27x_keypad.
-- 
cgit v1.1


From c18bab80d16f04db3e263cc97522d21693cad2ce Mon Sep 17 00:00:00 2001
From: Andrew Morton <akpm@linux-foundation.org>
Date: Wed, 6 Feb 2008 00:48:15 -0500
Subject: Input: i8042 - non-x86 build fix

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
 drivers/input/serio/i8042.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
index 1f73cf7..2763394 100644
--- a/drivers/input/serio/i8042.c
+++ b/drivers/input/serio/i8042.c
@@ -1172,14 +1172,14 @@ static int __devinit i8042_probe(struct platform_device *dev)
 		if (error)
 			goto out_fail;
 	}
-
+#ifdef CONFIG_X86
 	if (i8042_dritek) {
 		param = 0x90;
 		error = i8042_command(&param, 0x1059);
 		if (error)
 			goto out_fail;
 	}
-
+#endif
 /*
  * Ok, everything is ready, let's register all serio ports
  */
-- 
cgit v1.1