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Diffstat (limited to 'include/linux/hid.h')
-rw-r--r--include/linux/hid.h60
1 files changed, 38 insertions, 22 deletions
diff --git a/include/linux/hid.h b/include/linux/hid.h
index b12cb1c8e682..568a9d8c749b 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -46,7 +46,7 @@ struct hid_item {
__s16 s16;
__u32 u32;
__s32 s32;
- __u8 *longdata;
+ const __u8 *longdata;
} data;
};
@@ -81,6 +81,8 @@ struct hid_item {
#define HID_MAIN_ITEM_TAG_FEATURE 11
#define HID_MAIN_ITEM_TAG_BEGIN_COLLECTION 10
#define HID_MAIN_ITEM_TAG_END_COLLECTION 12
+#define HID_MAIN_ITEM_TAG_RESERVED_MIN 13
+#define HID_MAIN_ITEM_TAG_RESERVED_MAX 15
/*
* HID report descriptor main item contents
@@ -218,6 +220,7 @@ struct hid_item {
#define HID_GD_DOWN 0x00010091
#define HID_GD_RIGHT 0x00010092
#define HID_GD_LEFT 0x00010093
+#define HID_GD_DO_NOT_DISTURB 0x0001009b
/* Microsoft Win8 Wireless Radio Controls CA usage codes */
#define HID_GD_RFKILL_BTN 0x000100c6
#define HID_GD_RFKILL_LED 0x000100c7
@@ -354,11 +357,13 @@ struct hid_item {
* | @HID_QUIRK_INPUT_PER_APP:
* | @HID_QUIRK_X_INVERT:
* | @HID_QUIRK_Y_INVERT:
+ * | @HID_QUIRK_IGNORE_MOUSE:
* | @HID_QUIRK_SKIP_OUTPUT_REPORTS:
* | @HID_QUIRK_SKIP_OUTPUT_REPORT_ID:
* | @HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP:
* | @HID_QUIRK_HAVE_SPECIAL_DRIVER:
* | @HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE:
+ * | @HID_QUIRK_IGNORE_SPECIAL_DRIVER
* | @HID_QUIRK_FULLSPEED_INTERVAL:
* | @HID_QUIRK_NO_INIT_REPORTS:
* | @HID_QUIRK_NO_IGNORE:
@@ -378,12 +383,14 @@ struct hid_item {
#define HID_QUIRK_INPUT_PER_APP BIT(11)
#define HID_QUIRK_X_INVERT BIT(12)
#define HID_QUIRK_Y_INVERT BIT(13)
+#define HID_QUIRK_IGNORE_MOUSE BIT(14)
#define HID_QUIRK_SKIP_OUTPUT_REPORTS BIT(16)
#define HID_QUIRK_SKIP_OUTPUT_REPORT_ID BIT(17)
#define HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP BIT(18)
#define HID_QUIRK_HAVE_SPECIAL_DRIVER BIT(19)
#define HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE BIT(20)
#define HID_QUIRK_NOINVERT BIT(21)
+#define HID_QUIRK_IGNORE_SPECIAL_DRIVER BIT(22)
#define HID_QUIRK_FULLSPEED_INTERVAL BIT(28)
#define HID_QUIRK_NO_INIT_REPORTS BIT(29)
#define HID_QUIRK_NO_IGNORE BIT(30)
@@ -474,9 +481,9 @@ struct hid_usage {
__s8 wheel_factor; /* 120/resolution_multiplier */
__u16 code; /* input driver code */
__u8 type; /* input driver type */
- __s8 hat_min; /* hat switch fun */
- __s8 hat_max; /* ditto */
- __s8 hat_dir; /* ditto */
+ __s16 hat_min; /* hat switch fun */
+ __s16 hat_max; /* ditto */
+ __s16 hat_dir; /* ditto */
__s16 wheel_accumulated; /* hi-res wheel */
};
@@ -599,15 +606,17 @@ enum hid_battery_status {
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_device {
+ const __u8 *dev_rdesc; /* device report descriptor */
+ const __u8 *bpf_rdesc; /* bpf modified report descriptor, if any */
+ const __u8 *rdesc; /* currently used report descriptor */
+ unsigned int dev_rsize;
+ unsigned int bpf_rsize;
+ unsigned int rsize;
+ unsigned int collection_size; /* Number of allocated hid_collections */
struct hid_collection *collection; /* List of HID collections */
- unsigned collection_size; /* Number of allocated hid_collections */
- unsigned maxcollection; /* Number of parsed collections */
- unsigned maxapplication; /* Number of applications */
+ unsigned int maxcollection; /* Number of parsed collections */
+ unsigned int maxapplication; /* Number of applications */
__u16 bus; /* BUS ID */
__u16 group; /* Report group */
__u32 vendor; /* Vendor ID */
@@ -733,8 +742,9 @@ struct hid_descriptor {
__le16 bcdHID;
__u8 bCountryCode;
__u8 bNumDescriptors;
+ struct hid_class_descriptor rpt_desc;
- struct hid_class_descriptor desc[1];
+ struct hid_class_descriptor opt_descs[];
} __attribute__ ((packed));
#define HID_DEVICE(b, g, ven, prod) \
@@ -785,6 +795,8 @@ struct hid_usage_id {
* @suspend: invoked on suspend (NULL means nop)
* @resume: invoked on resume if device was not reset (NULL means nop)
* @reset_resume: invoked on resume if device was reset (NULL means nop)
+ * @on_hid_hw_open: invoked when hid core opens first instance (NULL means nop)
+ * @on_hid_hw_close: invoked when hid core closes last instance (NULL means nop)
*
* probe should return -errno on error, or 0 on success. During probe,
* input will not be passed to raw_event unless hid_device_io_start is
@@ -822,7 +834,7 @@ struct hid_driver {
struct hid_usage *usage, __s32 value);
void (*report)(struct hid_device *hdev, struct hid_report *report);
- __u8 *(*report_fixup)(struct hid_device *hdev, __u8 *buf,
+ const __u8 *(*report_fixup)(struct hid_device *hdev, __u8 *buf,
unsigned int *size);
int (*input_mapping)(struct hid_device *hdev,
@@ -840,6 +852,8 @@ struct hid_driver {
int (*suspend)(struct hid_device *hdev, pm_message_t message);
int (*resume)(struct hid_device *hdev);
int (*reset_resume)(struct hid_device *hdev);
+ void (*on_hid_hw_open)(struct hid_device *hdev);
+ void (*on_hid_hw_close)(struct hid_device *hdev);
/* private: */
struct device_driver driver;
@@ -940,6 +954,8 @@ extern void hidinput_report_event(struct hid_device *hid, struct hid_report *rep
extern int hidinput_connect(struct hid_device *hid, unsigned int force);
extern void hidinput_disconnect(struct hid_device *);
+struct hid_field *hid_find_field(struct hid_device *hdev, unsigned int report_type,
+ unsigned int application, unsigned int usage);
int hid_set_field(struct hid_field *, unsigned, __s32);
int hid_input_report(struct hid_device *hid, enum hid_report_type type, u8 *data, u32 size,
int interrupt);
@@ -953,7 +969,7 @@ struct hid_device *hid_allocate_device(void);
struct hid_report *hid_register_report(struct hid_device *device,
enum hid_report_type type, unsigned int id,
unsigned int application);
-int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size);
+int hid_parse_report(struct hid_device *hid, const __u8 *start, unsigned size);
struct hid_report *hid_validate_values(struct hid_device *hid,
enum hid_report_type type, unsigned int id,
unsigned int field_index,
@@ -972,7 +988,6 @@ const struct hid_device_id *hid_match_device(struct hid_device *hdev,
struct hid_driver *hdrv);
bool hid_compare_device_paths(struct hid_device *hdev_a,
struct hid_device *hdev_b, char separator);
-s32 hid_snto32(__u32 value, unsigned n);
__u32 hid_field_extract(const struct hid_device *hid, __u8 *report,
unsigned offset, unsigned n);
@@ -1125,6 +1140,13 @@ int __must_check hid_hw_open(struct hid_device *hdev);
void hid_hw_close(struct hid_device *hdev);
void hid_hw_request(struct hid_device *hdev,
struct hid_report *report, enum hid_class_request reqtype);
+int __hid_hw_raw_request(struct hid_device *hdev,
+ unsigned char reportnum, __u8 *buf,
+ size_t len, enum hid_report_type rtype,
+ enum hid_class_request reqtype,
+ __u64 source, bool from_bpf);
+int __hid_hw_output_report(struct hid_device *hdev, __u8 *buf, size_t len, __u64 source,
+ bool from_bpf);
int hid_hw_raw_request(struct hid_device *hdev,
unsigned char reportnum, __u8 *buf,
size_t len, enum hid_report_type rtype,
@@ -1209,12 +1231,6 @@ unsigned long hid_lookup_quirk(const struct hid_device *hdev);
int hid_quirks_init(char **quirks_param, __u16 bus, int count);
void hid_quirks_exit(__u16 bus);
-#ifdef CONFIG_HID_PID
-int hid_pidff_init(struct hid_device *hid);
-#else
-#define hid_pidff_init NULL
-#endif
-
#define dbg_hid(fmt, ...) pr_debug("%s: " fmt, __FILE__, ##__VA_ARGS__)
#define hid_err(hid, fmt, ...) \
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.