blob: 026a2c2859daaa1a66810d685e931383f11b5969 [file] [log] [blame]
/* Copyright (c) 2014 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.
*/
#ifndef __CROS_EC_INJECTOR_H
#define __CROS_EC_INJECTOR_H
/*
* Finite state machine definition for sending complex sequences
*
* the 32-bit commands have the following definition :
* [31:28] [27:0]
* Command arg
* INJ_CMD_x
* [27:16] [15:0]
* arg12 arg0
* [27:24] [23:16] [15:0]
* arg2 arg1 arg0
*/
/* Macros to extract values from FSM command words */
#define INJ_CMD(w) ((w) >> 28)
#define INJ_ARG(w) ((w) & 0x0FFFFFFF)
#define INJ_ARG0(w) ((w) & 0x0000FFFF)
#define INJ_ARG1(w) (((w) >> 16) & 0xFF)
#define INJ_ARG2(w) (((w) >> 24) & 0xF)
#define INJ_ARG12(w) (((w) >> 16) & 0xFFF)
enum inj_cmd {
INJ_CMD_END = 0x0, /* stop the FSM */
INJ_CMD_SEND = 0x1, /* Send message on CCx */
/* arg0: header arg1/2:payload index/count */
INJ_CMD_WAVE = 0x2, /* Send arbitrary waveform */
/* stored at index arg1 of len arg0 */
INJ_CMD_HRST = 0x3, /* Send Hard Reset on CCx */
INJ_CMD_WAIT = 0x4, /* Wait for arg12 edges if arg12 != 0 */
/* and timeout after arg0 ms */
INJ_CMD_GET = 0x5, /* Get parameter arg1 (INJ_GET_x) at index arg0 */
INJ_CMD_SET = 0x6, /* Set parameter arg1 (INJ_SET_x) with arg0 */
INJ_CMD_JUMP = 0x8, /* Jump to index (as arg0) */
INJ_CMD_EXPCT = 0xC, /* Expect a packet with command arg2 */
/* and timeout after arg0 ms */
INJ_CMD_NOP = 0xF, /* No-Operation */
};
enum inj_set {
INJ_SET_RESISTOR1 = 0, /* CC1 resistor as arg0 (INJ_RES_x) */
INJ_SET_RESISTOR2 = 1, /* CC2 resistor as arg0 (INJ_RES_x) */
INJ_SET_RECORD = 2, /* Recording on/off */
INJ_SET_TX_SPEED = 3, /* TX frequency is arg0 kHz */
INJ_SET_RX_THRESH = 4, /* RX voltage threshold is arg0 mV */
INJ_SET_POLARITY = 5, /* Polarity for other operations (INJ_POL_CC) */
INJ_SET_TRACE = 6, /* Text packet trace on/raw/off */
};
enum inj_get {
INJ_GET_CC = 0, /* CC1/CC2 voltages in mV */
INJ_GET_VBUS = 1, /* VBUS voltage in mV and current in mA */
INJ_GET_VCONN = 2, /* VCONN voltage in mV and current in mA */
INJ_GET_POLARITY = 3, /* Current polarity (INJ_POL_CC) */
};
enum inj_res {
INJ_RES_NONE = 0,
INJ_RES_RA = 1,
INJ_RES_RD = 2,
INJ_RES_RPUSB = 3,
INJ_RES_RP1A5 = 4,
INJ_RES_RP3A0 = 5,
};
enum inj_pol {
INJ_POL_CC1 = 0,
INJ_POL_CC2 = 1,
INJ_POL_AUTO = 0xffff,
};
enum trace_mode {
TRACE_MODE_OFF = 0,
TRACE_MODE_RAW = 1,
TRACE_MODE_ON = 2,
};
/* Number of words in the FSM command/data buffer */
#define INJ_CMD_COUNT 128
#endif /* __CROS_EC_INJECTOR_H */