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Diffstat (limited to 'drivers/hid/intel-ish-hid/ishtp-hid.h')
-rw-r--r--drivers/hid/intel-ish-hid/ishtp-hid.h43
1 files changed, 21 insertions, 22 deletions
diff --git a/drivers/hid/intel-ish-hid/ishtp-hid.h b/drivers/hid/intel-ish-hid/ishtp-hid.h
index f5c7eb79b7b5..2bc19e8ba13e 100644
--- a/drivers/hid/intel-ish-hid/ishtp-hid.h
+++ b/drivers/hid/intel-ish-hid/ishtp-hid.h
@@ -1,16 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* ISHTP-HID glue driver's definitions.
*
* Copyright (c) 2014-2016, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
*/
#ifndef ISHTP_HID__H
#define ISHTP_HID__H
@@ -24,14 +16,9 @@
#define IS_RESPONSE 0x80
/* Used to dump to Linux trace buffer, if enabled */
-#define hid_ishtp_trace(client, ...) \
- client->cl_device->ishtp_dev->print_log(\
- client->cl_device->ishtp_dev, __VA_ARGS__)
-
-/* ISH Transport protocol (ISHTP in short) GUID */
-static const uuid_le hid_ishtp_guid = UUID_LE(0x33AECD58, 0xB679, 0x4E54,
- 0x9B, 0xD9, 0xA0, 0x4D, 0x34,
- 0xF0, 0xC2, 0x26);
+extern ishtp_print_log ishtp_hid_print_trace;
+#define hid_ishtp_trace(client, ...) \
+ (ishtp_hid_print_trace)(NULL, __VA_ARGS__)
/* ISH HID message structure */
struct hostif_msg_hdr {
@@ -44,6 +31,7 @@ struct hostif_msg_hdr {
struct hostif_msg {
struct hostif_msg_hdr hdr;
+ uint8_t payload[];
} __packed;
struct hostif_msg_to_sensor {
@@ -65,15 +53,17 @@ struct ishtp_version {
uint16_t build;
} __packed;
+struct report {
+ uint16_t size;
+ struct hostif_msg_hdr msg;
+} __packed;
+
/* struct for ISHTP aggregated input data */
struct report_list {
uint16_t total_size;
uint8_t num_of_reports;
uint8_t flags;
- struct {
- uint16_t size_of_report;
- uint8_t report[1];
- } __packed reports[1];
+ struct report reports[];
} __packed;
/* HOSTIF commands */
@@ -118,7 +108,7 @@ struct report_list {
* @multi_packet_cnt: Count of fragmented packet count
*
* This structure is used to store completion flags and per client data like
- * like report description, number of HID devices etc.
+ * report description, number of HID devices etc.
*/
struct ishtp_cl_data {
/* completion flags */
@@ -148,6 +138,7 @@ struct ishtp_cl_data {
int multi_packet_cnt;
struct work_struct work;
+ struct work_struct resume_work;
struct ishtp_cl_device *cl_device;
};
@@ -159,6 +150,9 @@ struct ishtp_cl_data {
* @client_data: Link to the client instance
* @hid_wait: Completion waitq
*
+ * @raw_get_req: Flag indicating raw get request ongoing
+ * @raw_buf: raw request buffer filled on receiving get report
+ * @raw_buf_size: raw request buffer size
* Used to tie hid hid->driver data to driver client instance
*/
struct ishtp_hid_data {
@@ -166,6 +160,11 @@ struct ishtp_hid_data {
bool request_done;
struct ishtp_cl_data *client_data;
wait_queue_head_t hid_wait;
+
+ /* raw request */
+ bool raw_get_req;
+ u8 *raw_buf;
+ size_t raw_buf_size;
};
/* Interface functions between HID LL driver and ISH TP client */