xref: /openbmc/u-boot/arch/sandbox/include/asm/test.h (revision 5d9a88f4)

/* SPDX-License-Identifier: GPL-2.0+ */
/*
 * Test-related constants for sandbox
 *
 * Copyright (c) 2014 Google, Inc
 */

#ifndef __ASM_TEST_H
#define __ASM_TEST_H

/* The sandbox driver always permits an I2C device with this address */
#define SANDBOX_I2C_TEST_ADDR		0x59

#define SANDBOX_PCI_VENDOR_ID		0x1234
#define SANDBOX_PCI_DEVICE_ID		0x5678
#define SANDBOX_PCI_CLASS_CODE		PCI_CLASS_CODE_COMM
#define SANDBOX_PCI_CLASS_SUB_CODE	PCI_CLASS_SUB_CODE_COMM_SERIAL

#define PCI_CAP_ID_PM_OFFSET		0x50
#define PCI_CAP_ID_EXP_OFFSET		0x60
#define PCI_CAP_ID_MSIX_OFFSET		0x70

#define PCI_EXT_CAP_ID_ERR_OFFSET	0x100
#define PCI_EXT_CAP_ID_VC_OFFSET	0x200
#define PCI_EXT_CAP_ID_DSN_OFFSET	0x300

/* Useful for PCI_VDEVICE() macro */
#define PCI_VENDOR_ID_SANDBOX		SANDBOX_PCI_VENDOR_ID
#define SWAP_CASE_DRV_DATA		0x55aa

#define SANDBOX_CLK_RATE		32768

/* System controller driver data */
enum {
	SYSCON0		= 32,
	SYSCON1,

	SYSCON_COUNT
};

/**
 * sandbox_i2c_set_test_mode() - set test mode for running unit tests
 *
 * See sandbox_i2c_xfer() for the behaviour changes.
 *
 * @bus:	sandbox I2C bus to adjust
 * @test_mode:	true to select test mode, false to run normally
 */
void sandbox_i2c_set_test_mode(struct udevice *bus, bool test_mode);

enum sandbox_i2c_eeprom_test_mode {
	SIE_TEST_MODE_NONE,
	/* Permits read/write of only one byte per I2C transaction */
	SIE_TEST_MODE_SINGLE_BYTE,
};

void sandbox_i2c_eeprom_set_test_mode(struct udevice *dev,
				      enum sandbox_i2c_eeprom_test_mode mode);

void sandbox_i2c_eeprom_set_offset_len(struct udevice *dev, int offset_len);

/*
 * sandbox_timer_add_offset()
 *
 * Allow tests to add to the time reported through lib/time.c functions
 * offset: number of milliseconds to advance the system time
 */
void sandbox_timer_add_offset(unsigned long offset);

/**
 * sandbox_i2c_rtc_set_offset() - set the time offset from system/base time
 *
 * @dev:		RTC device to adjust
 * @use_system_time:	true to use system time, false to use @base_time
 * @offset:		RTC offset from current system/base time (-1 for no
 *			change)
 * @return old value of RTC offset
 */
long sandbox_i2c_rtc_set_offset(struct udevice *dev, bool use_system_time,
				int offset);

/**
 * sandbox_i2c_rtc_get_set_base_time() - get and set the base time
 *
 * @dev:		RTC device to adjust
 * @base_time:		New base system time (set to -1 for no change)
 * @return old base time
 */
long sandbox_i2c_rtc_get_set_base_time(struct udevice *dev, long base_time);

int sandbox_usb_keyb_add_string(struct udevice *dev, const char *str);

/**
 * sandbox_osd_get_mem() - get the internal memory of a sandbox OSD
 *
 * @dev:	OSD device for which to access the internal memory for
 * @buf:	pointer to buffer to receive the OSD memory data
 * @buflen:	length of buffer in bytes
 */
int sandbox_osd_get_mem(struct udevice *dev, u8 *buf, size_t buflen);

/**
 * sandbox_pwm_get_config() - get the PWM config for a channel
 *
 * @dev: Device to check
 * @channel: Channel number to check
 * @period_ns: Period of the PWM in nanoseconds
 * @duty_ns: Current duty cycle of the PWM in nanoseconds
 * @enable: true if the PWM is enabled
 * @polarity: true if the PWM polarity is active high
 * @return 0 if OK, -ENOSPC if the PWM number is invalid
 */
int sandbox_pwm_get_config(struct udevice *dev, uint channel, uint *period_nsp,
			   uint *duty_nsp, bool *enablep, bool *polarityp);

#endif