qemu-patch-raspberry4/tests/libqos/i2c.h
Cédric Le Goater 5141d4158c misc: add pca9552 LED blinker model
Specs are available here :

    https://www.nxp.com/docs/en/application-note/AN264.pdf

This is a simple model supporting the basic registers for led and GPIO
mode. The device also supports two blinking rates but not the model
yet.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20180530064049.27976-7-clg@kaod.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-06-08 13:15:32 +01:00

38 lines
935 B
C

/*
* I2C libqos
*
* Copyright (c) 2012 Andreas Färber
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#ifndef LIBQOS_I2C_H
#define LIBQOS_I2C_H
#include "libqtest.h"
typedef struct I2CAdapter I2CAdapter;
struct I2CAdapter {
void (*send)(I2CAdapter *adapter, uint8_t addr,
const uint8_t *buf, uint16_t len);
void (*recv)(I2CAdapter *adapter, uint8_t addr,
uint8_t *buf, uint16_t len);
QTestState *qts;
};
#define OMAP2_I2C_1_BASE 0x48070000
void i2c_send(I2CAdapter *i2c, uint8_t addr,
const uint8_t *buf, uint16_t len);
void i2c_recv(I2CAdapter *i2c, uint8_t addr,
uint8_t *buf, uint16_t len);
/* libi2c-omap.c */
I2CAdapter *omap_i2c_create(QTestState *qts, uint64_t addr);
/* libi2c-imx.c */
I2CAdapter *imx_i2c_create(QTestState *qts, uint64_t addr);
#endif