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 147223993b86..69f3420882a6 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 314d5b0c70d5..061066201186 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 e9e6dbbaaa83..331670b32e68 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 000000000000..a1e13f15f0a7
--- /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 0c833d920c3d..27cffe3586f5 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 a5e7163158fb..6e7314f7b998 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 a6223bc5c734..f1df25ab0baa 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 7f38c21e146b..da80c64fb25c 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);