Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid

Pull HID subsystem updates from Jiri Kosina:
 "Apart from various driver updates and added support for a number of
  new devices (mostly multitouch ones, but not limited to), there is one
  change that is worth pointing out explicitly: creation of HID device
  groups and proper autoloading of hid-multitouch, implemented by Henrik
  Rydberg."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (50 commits)
  HID: wacom: fix build breakage without CONFIG_LEDS_CLASS
  HID: waltop: Extend barrel button fix
  HID: hyperv: Set the hid drvdata correctly
  HID: wacom: Unify speed setting
  HID: wacom: Add speed setting for Intuos4 WL
  HID: wacom: Move Graphire raport header check.
  HID: uclogic: Add support for UC-Logic TWHL850
  HID: explain the signed/unsigned handling in hid_add_field()
  HID: handle logical min/max signedness properly in parser
  HID: logitech: read all 32 bits of report type bitfield
  HID: wacom: Add LED selector control for Wacom Intuos4 WL
  HID: hid-multitouch: fix wrong protocol detection
  HID: wiimote: Fix IR data parser
  HID: wacom: Add tilt reporting for Intuos4 WL
  HID: multitouch: MT interface matching for Baanto
  HID: hid-multitouch: Only match MT interfaces
  HID: Create a common generic driver
  HID: hid-multitouch: Switch to device groups
  HID: Create a generic device group
  HID: Allow bus wildcard matching
  ...

3 files changed, 23 insertions, 21 deletions

diff --git a/include/linux/hid.h b/include/linux/hid.h
index 3a95da60fd3e..449fa385703d 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -317,7 +317,6 @@ struct hid_item {
 #define HID_QUIRK_BADPAD                        0x00000020
 #define HID_QUIRK_MULTI_INPUT                   0x00000040
 #define HID_QUIRK_HIDINPUT_FORCE                0x00000080
-#define HID_QUIRK_MULTITOUCH                    0x00000100
 #define HID_QUIRK_SKIP_OUTPUT_REPORTS           0x00010000
 #define HID_QUIRK_FULLSPEED_INTERVAL            0x10000000
 #define HID_QUIRK_NO_INIT_REPORTS               0x20000000
@@ -325,6 +324,12 @@ struct hid_item {
 #define HID_QUIRK_NO_INPUT_SYNC                 0x80000000
 
 /*
+ * HID device groups
+ */
+#define HID_GROUP_GENERIC                       0x0001
+#define HID_GROUP_MULTITOUCH                    0x0002
+
+/*
  * This is the global environment of the parser. This information is
  * persistent for main-items. The global environment can be saved and
  * restored with PUSH/POP statements.
@@ -467,6 +472,8 @@ struct hid_driver;
 struct hid_ll_driver;
 
 struct hid_device {                                                     /* device report descriptor */
+        __u8 *dev_rdesc;
+        unsigned dev_rsize;
         __u8 *rdesc;
         unsigned rsize;
         struct hid_collection *collection;                              /* List of HID collections */
@@ -474,6 +481,7 @@ struct hid_device {							/* device report descriptor */
         unsigned maxcollection;                                         /* Number of parsed collections */
         unsigned maxapplication;                                        /* Number of applications */
         __u16 bus;                                                      /* BUS ID */
+        __u16 group;                                                    /* Report group */
         __u32 vendor;                                                   /* Vendor ID */
         __u32 product;                                                  /* Product ID */
         __u32 version;                                                  /* HID version */
@@ -578,12 +586,12 @@ struct hid_descriptor {
         struct hid_class_descriptor desc[1];
 } __attribute__ ((packed));
 
-#define HID_DEVICE(b, ven, prod) \
-        .bus = (b), \
-        .vendor = (ven), .product = (prod)
-
-#define HID_USB_DEVICE(ven, prod)       HID_DEVICE(BUS_USB, ven, prod)
-#define HID_BLUETOOTH_DEVICE(ven, prod) HID_DEVICE(BUS_BLUETOOTH, ven, prod)
+#define HID_DEVICE(b, g, ven, prod)                                     \
+        .bus = (b), .group = (g), .vendor = (ven), .product = (prod)
+#define HID_USB_DEVICE(ven, prod)                               \
+        .bus = BUS_USB, .vendor = (ven), .product = (prod)
+#define HID_BLUETOOTH_DEVICE(ven, prod)                                 \
+        .bus = BUS_BLUETOOTH, .vendor = (ven), .product = (prod)
 
 #define HID_REPORT_ID(rep) \
         .report_type = (rep)
@@ -735,6 +743,7 @@ void hid_output_report(struct hid_report *report, __u8 *data);
 struct hid_device *hid_allocate_device(void);
 struct hid_report *hid_register_report(struct hid_device *device, unsigned type, unsigned id);
 int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size);
+int hid_open_report(struct hid_device *device);
 int hid_check_keys_pressed(struct hid_device *hid);
 int hid_connect(struct hid_device *hid, unsigned int connect_mask);
 void hid_disconnect(struct hid_device *hid);
@@ -805,16 +814,7 @@ static inline void hid_map_usage_clear(struct hid_input *hidinput,
  */
 static inline int __must_check hid_parse(struct hid_device *hdev)
 {
-        int ret;
-
-        if (hdev->status & HID_STAT_PARSED)
-                return 0;
-
-        ret = hdev->ll_driver->parse(hdev);
-        if (!ret)
-                hdev->status |= HID_STAT_PARSED;
-
-        return ret;
+        return hid_open_report(hdev);
 }
 
 /**
@@ -896,7 +896,7 @@ static inline int hid_hw_power(struct hid_device *hdev, int level)
         return hdev->ll_driver->power ? hdev->ll_driver->power(hdev, level) : 0;
 }
 
-void hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
+int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
                 int interrupt);
 
 extern int hid_generic_init(void);
diff --git a/include/linux/hidraw.h b/include/linux/hidraw.h
index 4b88e697c4e9..45e9fcb8d877 100644
--- a/include/linux/hidraw.h
+++ b/include/linux/hidraw.h
@@ -76,13 +76,13 @@ struct hidraw_list {
 #ifdef CONFIG_HIDRAW
 int hidraw_init(void);
 void hidraw_exit(void);
-void hidraw_report_event(struct hid_device *, u8 *, int);
+int hidraw_report_event(struct hid_device *, u8 *, int);
 int hidraw_connect(struct hid_device *);
 void hidraw_disconnect(struct hid_device *);
 #else
 static inline int hidraw_init(void) { return 0; }
 static inline void hidraw_exit(void) { }
-static inline void hidraw_report_event(struct hid_device *hid, u8 *data, int len) { }
+static inline int hidraw_report_event(struct hid_device *hid, u8 *data, int len) { return 0; }
 static inline int hidraw_connect(struct hid_device *hid) { return -1; }
 static inline void hidraw_disconnect(struct hid_device *hid) { }
 #endif
diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h
index 501da4cb8a6d..5db93821f9c7 100644
--- a/include/linux/mod_devicetable.h
+++ b/include/linux/mod_devicetable.h
@@ -132,10 +132,12 @@ struct usb_device_id {
 #define USB_DEVICE_ID_MATCH_INT_PROTOCOL        0x0200
 
 #define HID_ANY_ID                              (~0)
+#define HID_BUS_ANY                             0xffff
+#define HID_GROUP_ANY                           0x0000
 
 struct hid_device_id {
         __u16 bus;
-        __u16 pad1;
+        __u16 group;
         __u32 vendor;
         __u32 product;
         kernel_ulong_t driver_data