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-rw-r--r--include/linux/pmic_status.h82
1 files changed, 82 insertions, 0 deletions
diff --git a/include/linux/pmic_status.h b/include/linux/pmic_status.h
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+++ b/include/linux/pmic_status.h
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+/*
+ * Copyright 2004-2010 Freescale Semiconductor, Inc. All Rights Reserved.
+ */
+
+/*
+ * The code contained herein is licensed under the GNU Lesser General
+ * Public License. You may obtain a copy of the GNU Lesser General
+ * Public License Version 2.1 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/lgpl-license.html
+ * http://www.gnu.org/copyleft/lgpl.html
+ */
+#ifndef __ASM_ARCH_MXC_PMIC_STATUS_H__
+#define __ASM_ARCH_MXC_PMIC_STATUS_H__
+#include <asm-generic/errno-base.h>
+#ifdef __KERNEL__
+#include <asm/uaccess.h> /* copy_{from,to}_user() */
+#endif
+/*!
+ * @file arch-mxc/pmic_status.h
+ * @brief PMIC APIs return code definition.
+ *
+ * @ingroup PMIC_CORE
+ */
+
+/*!
+ * @enum PMIC_STATUS
+ * @brief Define return values for all PMIC APIs.
+ *
+ * These return values are used by all of the PMIC APIs.
+ *
+ * @ingroup PMIC
+ */
+typedef enum {
+ PMIC_SUCCESS = 0, /*!< The requested operation was successfully
+ completed. */
+ PMIC_ERROR = -1, /*!< The requested operation could not be completed
+ due to an error. */
+ PMIC_PARAMETER_ERROR = -2, /*!< The requested operation failed because
+ one or more of the parameters was
+ invalid. */
+ PMIC_NOT_SUPPORTED = -3, /*!< The requested operation could not be
+ completed because the PMIC hardware
+ does not support it. */
+ PMIC_SYSTEM_ERROR_EINTR = -EINTR,
+
+ PMIC_MALLOC_ERROR = -5, /*!< Error in malloc function */
+ PMIC_UNSUBSCRIBE_ERROR = -6, /*!< Error in un-subscribe event */
+ PMIC_EVENT_NOT_SUBSCRIBED = -7, /*!< Event occur and not subscribed */
+ PMIC_EVENT_CALL_BACK = -8, /*!< Error - bad call back */
+ PMIC_CLIENT_NBOVERFLOW = -9, /*!< The requested operation could not be
+ completed because there are too many
+ PMIC client requests */
+} PMIC_STATUS;
+
+/*
+ * Bitfield macros that use rely on bitfield width/shift information.
+ */
+#define BITFMASK(field) (((1U << (field ## _WID)) - 1) << (field ## _LSH))
+#define BITFVAL(field, val) ((val) << (field ## _LSH))
+#define BITFEXT(var, bit) ((var & BITFMASK(bit)) >> (bit ## _LSH))
+
+/*
+ * Macros implementing error handling
+ */
+#define CHECK_ERROR(a) \
+do { \
+ int ret = (a); \
+ if (ret != PMIC_SUCCESS) \
+ return ret; \
+} while (0)
+
+#define CHECK_ERROR_KFREE(func, freeptrs) \
+do { \
+ int ret = (func); \
+ if (ret != PMIC_SUCCESS) { \
+ freeptrs; \
+ return ret; \
+ } \
+} while (0);
+
+#endif /* __ASM_ARCH_MXC_PMIC_STATUS_H__ */