pm_defs.h

/*
 * Copyright (c) 2013-2015, ARM Limited and Contributors. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * Neither the name of ARM nor the names of its contributors may be used
 * to endorse or promote products derived from this software without specific
 * prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

/* ZynqMP power management enums and defines */

#ifndef _PM_DEFS_H_
#define _PM_DEFS_H_

/*********************************************************************
 * Macro definitions
 ********************************************************************/

/*
 * Version number is a 32bit value, like:
 * (PM_VERSION_MAJOR << 16) | PM_VERSION_MINOR
 */
#define PM_VERSION_MAJOR	0
#define PM_VERSION_MINOR	2

#define PM_VERSION	((PM_VERSION_MAJOR << 16) | PM_VERSION_MINOR)

/* Capabilities for RAM */
#define PM_CAP_ACCESS	0x1U
#define PM_CAP_CONTEXT	0x2U

#define MAX_LATENCY	(~0U)
#define MAX_QOS		100U

/* State arguments of the self suspend */
#define PM_STATE_CPU_IDLE		0x0U
#define PM_STATE_SUSPEND_TO_RAM		0xFU

/*********************************************************************
 * Enum definitions
 ********************************************************************/

enum pm_api_id {
	/* Miscellaneous API functions: */
	PM_GET_API_VERSION = 1, /* Do not change or move */
	PM_SET_CONFIGURATION,
	PM_GET_NODE_STATUS,
	PM_GET_OP_CHARACTERISTIC,
	PM_REGISTER_NOTIFIER,
	/* API for suspending of PUs: */
	PM_REQ_SUSPEND,
	PM_SELF_SUSPEND,
	PM_FORCE_POWERDOWN,
	PM_ABORT_SUSPEND,
	PM_REQ_WAKEUP,
	PM_SET_WAKEUP_SOURCE,
	PM_SYSTEM_SHUTDOWN,
	/* API for managing PM slaves: */
	PM_REQ_NODE,
	PM_RELEASE_NODE,
	PM_SET_REQUIREMENT,
	PM_SET_MAX_LATENCY,
	/* Direct control API functions: */
	PM_RESET_ASSERT,
	PM_RESET_GET_STATUS,
	PM_MMIO_WRITE,
	PM_MMIO_READ,
	PM_API_MAX
};

enum pm_node_id {
	NODE_UNKNOWN = 0,
	NODE_APU,
	NODE_APU_0,
	NODE_APU_1,
	NODE_APU_2,
	NODE_APU_3,
	NODE_RPU,
	NODE_RPU_0,
	NODE_RPU_1,
	NODE_PL,
	NODE_FPD,
	NODE_OCM_BANK_0,
	NODE_OCM_BANK_1,
	NODE_OCM_BANK_2,
	NODE_OCM_BANK_3,
	NODE_TCM_0_A,
	NODE_TCM_0_B,
	NODE_TCM_1_A,
	NODE_TCM_1_B,
	NODE_L2,
	NODE_GPU_PP_0,
	NODE_GPU_PP_1,
	NODE_USB_0,
	NODE_USB_1,
	NODE_TTC_0,
	NODE_TTC_1,
	NODE_TTC_2,
	NODE_TTC_3,
	NODE_SATA,
	NODE_ETH_0,
	NODE_ETH_1,
	NODE_ETH_2,
	NODE_ETH_3,
	NODE_UART_0,
	NODE_UART_1,
	NODE_SPI_0,
	NODE_SPI_1,
	NODE_I2C_0,
	NODE_I2C_1,
	NODE_SD_0,
	NODE_SD_1,
	NODE_DP,
	NODE_GDMA,
	NODE_ADMA,
	NODE_NAND,
	NODE_QSPI,
	NODE_GPIO,
	NODE_CAN_0,
	NODE_CAN_1,
	NODE_AFI,
	NODE_APLL,
	NODE_VPLL,
	NODE_DPLL,
	NODE_RPLL,
	NODE_IOPLL,
	NODE_DDR,
	NODE_IPI_APU,
	NODE_IPI_RPU_0,
	NODE_GPU,
	NODE_PCIE,
	NODE_PCAP,
	NODE_RTC,
};

enum pm_request_ack {
	REQ_ACK_NO = 1,
	REQ_ACK_BLOCKING,
	REQ_ACK_NON_BLOCKING,
};

enum pm_abort_reason {
	ABORT_REASON_WKUP_EVENT = 100,
	ABORT_REASON_PU_BUSY,
	ABORT_REASON_NO_PWRDN,
	ABORT_REASON_UNKNOWN,
};

enum pm_suspend_reason {
	SUSPEND_REASON_PU_REQ = 201,
	SUSPEND_REASON_ALERT,
	SUSPEND_REASON_SYS_SHUTDOWN,
};

enum pm_ram_state {
	PM_RAM_STATE_OFF = 1,
	PM_RAM_STATE_RETENTION,
	PM_RAM_STATE_ON,
};

enum pm_opchar_type {
	PM_OPCHAR_TYPE_POWER = 1,
	PM_OPCHAR_TYPE_TEMP,
	PM_OPCHAR_TYPE_LATENCY,
};

/**
 * @PM_RET_SUCCESS:		success
 * @PM_RET_ERROR_ARGS:		illegal arguments provided
 * @PM_RET_ERROR_ACCESS:	access rights violation
 * @PM_RET_ERROR_TIMEOUT:	timeout in communication with PMU
 * @PM_RET_ERROR_NOTSUPPORTED:	feature not supported
 * @PM_RET_ERROR_PROC:		node is not a processor node
 * @PM_RET_ERROR_API_ID:	illegal API ID
 * @PM_RET_ERROR_OTHER:		other error
 */
enum pm_ret_status {
	PM_RET_SUCCESS,
	PM_RET_ERROR_ARGS,
	PM_RET_ERROR_ACCESS,
	PM_RET_ERROR_TIMEOUT,
	PM_RET_ERROR_NOTSUPPORTED,
	PM_RET_ERROR_PROC,
	PM_RET_ERROR_API_ID,
	PM_RET_ERROR_FAILURE,
	PM_RET_ERROR_COMMUNIC,
	PM_RET_ERROR_DOUBLEREQ,
	PM_RET_ERROR_OTHER,
};

/**
 * @PM_INITIAL_BOOT:	boot is a fresh system startup
 * @PM_RESUME:		boot is a resume
 * @PM_BOOT_ERROR:	error, boot cause cannot be identified
 */
enum pm_boot_status {
	PM_INITIAL_BOOT,
	PM_RESUME,
	PM_BOOT_ERROR,
};

#endif /* _PM_DEFS_H_ */