diff options
Diffstat (limited to 'include/espi.h')
-rw-r--r-- | include/espi.h | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/include/espi.h b/include/espi.h deleted file mode 100644 index d1b8af3425..0000000000 --- a/include/espi.h +++ /dev/null @@ -1,97 +0,0 @@ -/* Copyright 2016 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. - */ - -/* eSPI module for Chrome EC */ - -#ifndef __CROS_EC_ESPI_H -#define __CROS_EC_ESPI_H - -#include "gpio_signal.h" - -/* Signal through VW */ -enum espi_vw_signal { - /* The first valid VW signal is 0x2000 */ - VW_SIGNAL_START = IOEX_LIMIT + 1, - VW_SLP_S3_L = VW_SIGNAL_START, /* index 02h (In) */ - VW_SLP_S4_L, - VW_SLP_S5_L, - VW_SUS_STAT_L, /* index 03h (In) */ - VW_PLTRST_L, - VW_OOB_RST_WARN, - VW_OOB_RST_ACK, /* index 04h (Out) */ - VW_WAKE_L, - VW_PME_L, - VW_ERROR_FATAL, /* index 05h (Out) */ - VW_ERROR_NON_FATAL, - /* Merge bit 3/0 into one signal. Need to set them simultaneously */ - VW_PERIPHERAL_BTLD_STATUS_DONE, - VW_SCI_L, /* index 06h (Out) */ - VW_SMI_L, - VW_RCIN_L, - VW_HOST_RST_ACK, - VW_HOST_RST_WARN, /* index 07h (In) */ - VW_SUS_ACK, /* index 40h (Out) */ - VW_SUS_WARN_L, /* index 41h (In) */ - VW_SUS_PWRDN_ACK_L, - VW_SLP_A_L, - VW_SLP_LAN, /* index 42h (In) */ - VW_SLP_WLAN, - VW_SIGNAL_END, - VW_LIMIT = 0x2FFF -}; -BUILD_ASSERT(VW_SIGNAL_END < VW_LIMIT); - -#define VW_SIGNAL_COUNT (VW_SIGNAL_END - VW_SIGNAL_START) - -/** - * Set eSPI Virtual-Wire signal to Host - * - * @param signal vw signal needs to set - * @param level level of vw signal - * @return EC_SUCCESS, or non-zero if error. - */ -int espi_vw_set_wire(enum espi_vw_signal signal, uint8_t level); - -/** - * Get eSPI Virtual-Wire signal from host - * - * @param signal vw signal needs to get - * @return 1: set by host, otherwise: no signal - */ -int espi_vw_get_wire(enum espi_vw_signal signal); - -/** - * Enable VW interrupt of power sequence signal - * - * @param signal vw signal needs to enable interrupt - * @return EC_SUCCESS, or non-zero if error. - */ -int espi_vw_enable_wire_int(enum espi_vw_signal signal); - -/** - * Disable VW interrupt of power sequence signal - * - * @param signal vw signal needs to disable interrupt - * @return EC_SUCCESS, or non-zero if error. - */ -int espi_vw_disable_wire_int(enum espi_vw_signal signal); - -/** - * Return pointer to constant eSPI virtual wire signal name - * - * @param signal virtual wire enum - * @return pointer to string or NULL if signal out of range - */ -const char *espi_vw_get_wire_name(enum espi_vw_signal signal); - -/** - * Check if signal is an eSPI virtual wire - * @param signal is gpio_signal or espi_vw_signal enum casted to int - * @return 1 if signal is virtual wire else returns 0. - */ -int espi_signal_is_vw(int signal); - - -#endif /* __CROS_EC_ESPI_H */ |