| exynos5_i2c.c (263936) | exynos5_i2c.c (266945) |
|---|---|
| 1/*- 2 * Copyright (c) 2014 Ruslan Bukin <br@bsdpad.com> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 16 unchanged lines hidden (view full) --- 25 */ 26 27/* 28 * Samsung Exynos 5 Inter-Integrated Circuit (I2C) 29 * Chapter 13, Exynos 5 Dual User's Manual Public Rev 1.00 30 */ 31 32#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2014 Ruslan Bukin <br@bsdpad.com> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 16 unchanged lines hidden (view full) --- 25 */ 26 27/* 28 * Samsung Exynos 5 Inter-Integrated Circuit (I2C) 29 * Chapter 13, Exynos 5 Dual User's Manual Public Rev 1.00 30 */ 31 32#include <sys/cdefs.h> |
| 33__FBSDID("$FreeBSD: head/sys/arm/samsung/exynos/exynos5_i2c.c 263936 2014-03-30 15:22:36Z br $"); | 33__FBSDID("$FreeBSD: head/sys/arm/samsung/exynos/exynos5_i2c.c 266945 2014-06-01 08:45:27Z br $"); |
| 34 35#include <sys/param.h> 36#include <sys/systm.h> 37#include <sys/bus.h> 38#include <sys/kernel.h> 39#include <sys/module.h> 40#include <sys/malloc.h> 41#include <sys/rman.h> --- 325 unchanged lines hidden (view full) --- 367 reg |= (I2CMODE_MR << I2CMODE_S); 368 reg |= I2C_START_STOP; 369 WRITE1(sc, I2CSTAT, reg); 370 371 *read = 0; 372 mtx_lock(&sc->mutex); 373 374 /* dummy read */ | 34 35#include <sys/param.h> 36#include <sys/systm.h> 37#include <sys/bus.h> 38#include <sys/kernel.h> 39#include <sys/module.h> 40#include <sys/malloc.h> 41#include <sys/rman.h> --- 325 unchanged lines hidden (view full) --- 367 reg |= (I2CMODE_MR << I2CMODE_S); 368 reg |= I2C_START_STOP; 369 WRITE1(sc, I2CSTAT, reg); 370 371 *read = 0; 372 mtx_lock(&sc->mutex); 373 374 /* dummy read */ |
| 375 clear_ipend(sc); 376 error = wait_for_iif(sc); 377 if (error) { 378 DPRINTF("cant i2c read: iif error\n"); 379 mtx_unlock(&sc->mutex); 380 return (error); 381 } |
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| 375 READ1(sc, I2CDS); 376 377 DPRINTF("Read "); 378 while (*read < len) { 379 380 /* Do not ack last read */ 381 if (*read == (len - 1)) { 382 reg = READ1(sc, I2CCON); --- 94 unchanged lines hidden --- | 382 READ1(sc, I2CDS); 383 384 DPRINTF("Read "); 385 while (*read < len) { 386 387 /* Do not ack last read */ 388 if (*read == (len - 1)) { 389 reg = READ1(sc, I2CCON); --- 94 unchanged lines hidden --- |