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Diffstat (limited to 'include/i2c_hid.h')
| -rw-r--r-- | include/i2c_hid.h | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/include/i2c_hid.h b/include/i2c_hid.h deleted file mode 100644 index 8568b42837..0000000000 --- a/include/i2c_hid.h +++ /dev/null @@ -1,67 +0,0 @@ -/* Copyright 2020 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - -/* - * General definitions for I2C-HID - * - * For a complete reference, please see the following docs on - * https://docs.microsoft.com/ - * - * 1. hid-over-i2c-protocol-spec-v1-0.docx - */ -#ifndef __CROS_EC_I2C_HID_H -#define __CROS_EC_I2C_HID_H - -#include "common.h" -#include "stdint.h" - -/* - * I2C-HID registers - * - * Except for I2C_HID_HID_DESC_REGISTER, fields in this section can be chosen - * freely so we just picked something that we are happy with. - * - * I2C_HID_HID_DESC_REGISTER is defined in the ACPI table so please make sure - * you have put in the same value there. - */ -#define I2C_HID_HID_DESC_REGISTER 0x0001 -#define I2C_HID_REPORT_DESC_REGISTER 0x1000 -#define I2C_HID_INPUT_REPORT_REGISTER 0x2000 -#define I2C_HID_COMMAND_REGISTER 0x3000 -#define I2C_HID_DATA_REGISTER 0x3000 - -/* I2C-HID commands */ -#define I2C_HID_CMD_RESET 0x01 -#define I2C_HID_CMD_GET_REPORT 0x02 -#define I2C_HID_CMD_SET_REPORT 0x03 -#define I2C_HID_CMD_GET_IDLE 0x04 -#define I2C_HID_CMD_SET_IDLE 0x05 -#define I2C_HID_CMD_GET_PROTOCOL 0x06 -#define I2C_HID_CMD_SET_PROTOCOL 0x07 -#define I2C_HID_CMD_SET_POWER 0x08 - -/* Common HID fields */ -#define I2C_HID_DESC_LENGTH sizeof(struct i2c_hid_descriptor) -#define I2C_HID_BCD_VERSION 0x0100 - -/* I2C-HID HID descriptor */ -struct __packed i2c_hid_descriptor { - uint16_t wHIDDescLength; - uint16_t bcdVersion; - uint16_t wReportDescLength; - uint16_t wReportDescRegister; - uint16_t wInputRegister; - uint16_t wMaxInputLength; - uint16_t wOutputRegister; - uint16_t wMaxOutputLength; - uint16_t wCommandRegister; - uint16_t wDataRegister; - uint16_t wVendorID; - uint16_t wProductID; - uint16_t wVersionID; - uint32_t reserved; -}; - -#endif /* __CROS_EC_I2C_HID_H */ |