HID: move cypress quirks

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

8 files changed, 177 insertions, 36 deletions

diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 1472239..69f3420 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -96,6 +96,13 @@ config HID_APPLE
 
 	If unsure, say M.
 
+config HID_CYPRESS
+	tristate "Cypress"
+	default m
+	depends on USB_HID
+	---help---
+	Support for Cypress mouse and barcodes.
+
 config HID_LOGITECH
 	tristate "Logitech"
 	default m
diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile
index 314d5b0..0610662 100644
--- a/drivers/hid/Makefile
+++ b/drivers/hid/Makefile
@@ -13,6 +13,7 @@ obj-m				+= hid-dummy.o
 endif
 
 obj-$(CONFIG_HID_APPLE)		+= hid-apple.o
+obj-$(CONFIG_HID_CYPRESS)	+= hid-cypress.o
 obj-$(CONFIG_HID_LOGITECH)	+= hid-logitech.o
 obj-$(CONFIG_HID_MICROSOFT)	+= hid-microsoft.o
 obj-$(CONFIG_HID_SUNPLUS)	+= hid-sunplus.o
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index e9e6dbb..331670b 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1162,6 +1162,9 @@ static const struct hid_device_id hid_blacklist[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) },
diff --git a/drivers/hid/hid-cypress.c b/drivers/hid/hid-cypress.c
new file mode 100644
index 0000000..a1e13f1
--- /dev/null
+++ b/drivers/hid/hid-cypress.c
@@ -0,0 +1,158 @@
+/*
+ *  HID driver for some cypress "special" devices
+ *
+ *  Copyright (c) 1999 Andreas Gal
+ *  Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
+ *  Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
+ *  Copyright (c) 2006-2007 Jiri Kosina
+ *  Copyright (c) 2007 Paul Walmsley
+ *  Copyright (c) 2008 Jiri Slaby
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ */
+
+#include <linux/device.h>
+#include <linux/hid.h>
+#include <linux/input.h>
+#include <linux/module.h>
+
+#include "hid-ids.h"
+
+#define CP_RDESC_SWAPPED_MIN_MAX	0x01
+#define CP_2WHEEL_MOUSE_HACK		0x02
+#define CP_2WHEEL_MOUSE_HACK_ON		0x04
+
+/*
+ * Some USB barcode readers from cypress have usage min and usage max in
+ * the wrong order
+ */
+static void cp_report_fixup(struct hid_device *hdev, __u8 *rdesc,
+		unsigned int rsize)
+{
+	unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
+	unsigned int i;
+
+	if (!(quirks & CP_RDESC_SWAPPED_MIN_MAX))
+		return;
+
+	for (i = 0; i < rsize - 4; i++)
+		if (rdesc[i] == 0x29 && rdesc[i + 2] == 0x19) {
+			__u8 tmp;
+
+			rdesc[i] = 0x19;
+			rdesc[i + 2] = 0x29;
+			tmp = rdesc[i + 3];
+			rdesc[i + 3] = rdesc[i + 1];
+			rdesc[i + 1] = tmp;
+		}
+}
+
+static int cp_input_mapped(struct hid_device *hdev, struct hid_input *hi,
+		struct hid_field *field, struct hid_usage *usage,
+		unsigned long **bit, int *max)
+{
+	unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
+
+	if (!(quirks & CP_2WHEEL_MOUSE_HACK))
+		return 0;
+
+	if (usage->type == EV_REL && usage->code == REL_WHEEL)
+		set_bit(REL_HWHEEL, *bit);
+	if (usage->hid == 0x00090005)
+		return -1;
+
+	return 0;
+}
+
+static int cp_event(struct hid_device *hdev, struct hid_field *field,
+		struct hid_usage *usage, __s32 value)
+{
+	unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
+
+	if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput ||
+			!usage->type || !(quirks & CP_2WHEEL_MOUSE_HACK))
+		return 0;
+
+	if (usage->hid == 0x00090005) {
+		if (value)
+			quirks |=  CP_2WHEEL_MOUSE_HACK_ON;
+		else
+			quirks &= ~CP_2WHEEL_MOUSE_HACK_ON;
+		hid_set_drvdata(hdev, (void *)quirks);
+		return 1;
+	}
+
+	if (usage->code == REL_WHEEL && (quirks & CP_2WHEEL_MOUSE_HACK_ON)) {
+		struct input_dev *input = field->hidinput->input;
+
+		input_event(input, usage->type, REL_HWHEEL, value);
+		return 1;
+	}
+
+	return 0;
+}
+
+static int cp_probe(struct hid_device *hdev, const struct hid_device_id *id)
+{
+	unsigned long quirks = id->driver_data;
+	int ret;
+
+	hid_set_drvdata(hdev, (void *)quirks);
+
+	ret = hid_parse(hdev);
+	if (ret) {
+		dev_err(&hdev->dev, "parse failed\n");
+		goto err_free;
+	}
+
+	ret = hid_hw_start(hdev);
+	if (ret) {
+		dev_err(&hdev->dev, "hw start failed\n");
+		goto err_free;
+	}
+
+	return 0;
+err_free:
+	return ret;
+}
+
+static const struct hid_device_id cp_devices[] = {
+	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1),
+		.driver_data = CP_RDESC_SWAPPED_MIN_MAX },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2),
+		.driver_data = CP_RDESC_SWAPPED_MIN_MAX },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE),
+		.driver_data = CP_2WHEEL_MOUSE_HACK },
+	{ }
+};
+MODULE_DEVICE_TABLE(hid, cp_devices);
+
+static struct hid_driver cp_driver = {
+	.name = "cypress",
+	.id_table = cp_devices,
+	.report_fixup = cp_report_fixup,
+	.input_mapped = cp_input_mapped,
+	.event = cp_event,
+	.probe = cp_probe,
+};
+
+static int cp_init(void)
+{
+	return hid_register_driver(&cp_driver);
+}
+
+static void cp_exit(void)
+{
+	hid_unregister_driver(&cp_driver);
+}
+
+module_init(cp_init);
+module_exit(cp_exit);
+MODULE_LICENSE("GPL");
+
+HID_COMPAT_LOAD_DRIVER(cypress);
diff --git a/drivers/hid/hid-dummy.c b/drivers/hid/hid-dummy.c
index 0c833d9..27cffe3 100644
--- a/drivers/hid/hid-dummy.c
+++ b/drivers/hid/hid-dummy.c
@@ -7,6 +7,9 @@ static int __init hid_dummy_init(void)
 #ifdef CONFIG_HID_APPLE_MODULE
 	HID_COMPAT_CALL_DRIVER(apple);
 #endif
+#ifdef CONFIG_HID_CYPRESS_MODULE
+	HID_COMPAT_CALL_DRIVER(cypress);
+#endif
 #ifdef CONFIG_HID_LOGITECH_MODULE
 	HID_COMPAT_CALL_DRIVER(logitech);
 #endif
diff --git a/drivers/hid/hid-input-quirks.c b/drivers/hid/hid-input-quirks.c
index a5e7163..6e7314f 100644
--- a/drivers/hid/hid-input-quirks.c
+++ b/drivers/hid/hid-input-quirks.c
@@ -236,8 +236,8 @@ int hidinput_event_quirks(struct hid_device *hid, struct hid_field *field, struc
 
 	input = field->hidinput->input;
 
-	if (((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
-		|| ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007))) {
+	if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) &&
+			(usage->hid == 0x00090007)) {
 		if (value) hid->quirks |=  HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
 		else       hid->quirks &= ~HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
 		return 1;
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index a6223bc..f1df25a 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -515,13 +515,13 @@ mapped:
 				hidinput, field, usage, &bit, &max) < 0)
 		goto ignore;
 
-	if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | HID_QUIRK_2WHEEL_MOUSE_HACK_5 |
+	if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 |
 			HID_QUIRK_2WHEEL_MOUSE_HACK_B8)) && (usage->type == EV_REL) &&
 			(usage->code == REL_WHEEL))
 		set_bit(REL_HWHEEL, bit);
 
-	if (((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
-		|| ((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007)))
+	if ((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) &&
+			(usage->hid == 0x00090007))
 		goto ignore;
 
 	set_bit(usage->type, input->evbit);
diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c
index 7f38c21..da80c64 100644
--- a/drivers/hid/usbhid/hid-quirks.c
+++ b/drivers/hid/usbhid/hid-quirks.c
@@ -31,7 +31,6 @@ static const struct hid_blacklist {
 
 	{ USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU, HID_QUIRK_2WHEEL_MOUSE_HACK_7 },
 	{ USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D, HID_QUIRK_2WHEEL_MOUSE_HACK_B8 },
-	{ USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE, HID_QUIRK_2WHEEL_MOUSE_HACK_5 },
 
 	{ USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_GAMEPAD, HID_QUIRK_BADPAD },
 	{ USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_PREDATOR, HID_QUIRK_BADPAD },
@@ -93,9 +92,6 @@ static const struct hid_rdesc_blacklist {
 
 	{ USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE, HID_QUIRK_RDESC_SAMSUNG_REMOTE },
 
-	{ USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1, HID_QUIRK_RDESC_SWAPPED_MIN_MAX },
-	{ USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2, HID_QUIRK_RDESC_SWAPPED_MIN_MAX },
-
 	{ 0, 0 }
 };
 
@@ -382,30 +378,6 @@ static void usbhid_fixup_petalynx_descriptor(unsigned char *rdesc, int rsize)
 	}
 }
 
-/*
- * Some USB barcode readers from cypress have usage min and usage max in
- * the wrong order
- */
-static void usbhid_fixup_cypress_descriptor(unsigned char *rdesc, int rsize)
-{
-	short fixed = 0;
-	int i;
-
-	for (i = 0; i < rsize - 4; i++) {
-		if (rdesc[i] == 0x29 && rdesc [i+2] == 0x19) {
-			unsigned char tmp;
-
-			rdesc[i] = 0x19; rdesc[i+2] = 0x29;
-			tmp = rdesc[i+3];
-			rdesc[i+3] = rdesc[i+1];
-			rdesc[i+1] = tmp;
-		}
-	}
-
-	if (fixed)
-		printk(KERN_INFO "Fixing up Cypress report descriptor\n");
-}
-
 static void usbhid_fixup_button_consumer_descriptor(unsigned char *rdesc, int rsize)
 {
 	if (rsize >= 30 && rdesc[29] == 0x05
@@ -420,9 +392,6 @@ static void __usbhid_fixup_report_descriptor(__u32 quirks, char *rdesc, unsigned
 	if ((quirks & HID_QUIRK_RDESC_CYMOTION))
 		usbhid_fixup_cymotion_descriptor(rdesc, rsize);
 
-	if (quirks & HID_QUIRK_RDESC_SWAPPED_MIN_MAX)
-		usbhid_fixup_cypress_descriptor(rdesc, rsize);
-
 	if (quirks & HID_QUIRK_RDESC_PETALYNX)
 		usbhid_fixup_petalynx_descriptor(rdesc, rsize);