| ti_i2c.c (256281) | ti_i2c.c (265810) |
|---|---|
| 1/*- 2 * Copyright (c) 2011 3 * Ben Gray <ben.r.gray@gmail.com>. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 31 unchanged lines hidden (view full) --- 40 * 41 * 42 * WARNING: This driver uses mtx_sleep and interrupts to perform transactions, 43 * which means you can't do a transaction during startup before the interrupts 44 * have been enabled. Hint - the freebsd function config_intrhook_establish(). 45 */ 46 47#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2011 3 * Ben Gray <ben.r.gray@gmail.com>. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 31 unchanged lines hidden (view full) --- 40 * 41 * 42 * WARNING: This driver uses mtx_sleep and interrupts to perform transactions, 43 * which means you can't do a transaction during startup before the interrupts 44 * have been enabled. Hint - the freebsd function config_intrhook_establish(). 45 */ 46 47#include <sys/cdefs.h> |
| 48__FBSDID("$FreeBSD: stable/10/sys/arm/ti/ti_i2c.c 239281 2012-08-15 06:31:32Z gonzo $"); | 48__FBSDID("$FreeBSD: stable/10/sys/arm/ti/ti_i2c.c 265810 2014-05-10 08:10:01Z rpaulo $"); |
| 49 50#include <sys/param.h> 51#include <sys/systm.h> 52#include <sys/bus.h> 53#include <sys/conf.h> 54#include <sys/kernel.h> 55#include <sys/lock.h> 56#include <sys/mbuf.h> --- 1014 unchanged lines hidden (view full) --- 1071 rid = 0; 1072 sc->sc_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 1073 RF_ACTIVE | RF_SHAREABLE); 1074 if (sc->sc_irq_res == NULL) { 1075 err = ENOMEM; 1076 goto out; 1077 } 1078 | 49 50#include <sys/param.h> 51#include <sys/systm.h> 52#include <sys/bus.h> 53#include <sys/conf.h> 54#include <sys/kernel.h> 55#include <sys/lock.h> 56#include <sys/mbuf.h> --- 1014 unchanged lines hidden (view full) --- 1071 rid = 0; 1072 sc->sc_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 1073 RF_ACTIVE | RF_SHAREABLE); 1074 if (sc->sc_irq_res == NULL) { 1075 err = ENOMEM; 1076 goto out; 1077 } 1078 |
| 1079 /* XXXOMAP3: FIXME get proper revision here */ 1080 /* First read the version number of the I2C module */ 1081 sc->sc_rev = ti_i2c_read_2(sc, I2C_REG_REVNB_HI) & 0xff; 1082 1083 device_printf(dev, "I2C revision %d.%d\n", sc->sc_rev >> 4, 1084 sc->sc_rev & 0xf); 1085 1086 /* Activate the H/W */ | 1079 /* First we _must_ activate the H/W */ |
| 1087 err = ti_i2c_activate(dev); 1088 if (err) { 1089 device_printf(dev, "ti_i2c_activate failed\n"); 1090 goto out; 1091 } 1092 | 1080 err = ti_i2c_activate(dev); 1081 if (err) { 1082 device_printf(dev, "ti_i2c_activate failed\n"); 1083 goto out; 1084 } 1085 |
| 1086 /* XXXOMAP3: FIXME get proper revision here */ 1087 /* Read the version number of the I2C module */ 1088 sc->sc_rev = ti_i2c_read_2(sc, I2C_REG_REVNB_HI) & 0xff; 1089 1090 device_printf(dev, "I2C revision %d.%d\n", sc->sc_rev >> 4, 1091 sc->sc_rev & 0xf); 1092 |
|
| 1093 /* activate the interrupt */ 1094 err = bus_setup_intr(dev, sc->sc_irq_res, INTR_TYPE_MISC | INTR_MPSAFE, 1095 NULL, ti_i2c_intr, sc, &sc->sc_irq_h); 1096 if (err) 1097 goto out; 1098 1099 /* Attach to the iicbus */ 1100 if ((sc->sc_iicbus = device_add_child(dev, "iicbus", -1)) == NULL) --- 79 unchanged lines hidden --- | 1093 /* activate the interrupt */ 1094 err = bus_setup_intr(dev, sc->sc_irq_res, INTR_TYPE_MISC | INTR_MPSAFE, 1095 NULL, ti_i2c_intr, sc, &sc->sc_irq_h); 1096 if (err) 1097 goto out; 1098 1099 /* Attach to the iicbus */ 1100 if ((sc->sc_iicbus = device_add_child(dev, "iicbus", -1)) == NULL) --- 79 unchanged lines hidden --- |