Prepare for commiting 6515 chip specifc drop.

Split /hardware/invensesnse code to chip specific 60xx and 65xx directories.
Moved 6050 chip specific stuff into 60xx directory. Manta uses that.

This will allow 6515 chip specific stuff go in 65xx directoryi which will be
used by hammerhead.

Change-Id: If7ae097cba5376bbc68c644f14fdb2689dee2da5

1 files changed, 190 insertions, 0 deletions

diff --git a/60xx/libsensors_iio/software/core/mllite/linux/mlos_linux.c b/60xx/libsensors_iio/software/core/mllite/linux/mlos_linux.c
new file mode 100644
index 0000000..5424508
--- /dev/null
+++ b/60xx/libsensors_iio/software/core/mllite/linux/mlos_linux.c
@@ -0,0 +1,190 @@
+/*
+ $License:
+    Copyright (C) 2012 InvenSense Corporation, All Rights Reserved.
+ $
+ */
+
+/*******************************************************************************
+ *
+ * $Id: mlos_linux.c 5629 2011-06-11 03:13:08Z mcaramello $
+ *
+ ******************************************************************************/
+
+/**
+ *  @defgroup MLOS
+ *  @brief OS Interface.
+ *
+ *  @{
+ *      @file mlos.c
+ *      @brief OS Interface.
+ */
+
+/* ------------- */
+/* - Includes. - */
+/* ------------- */
+
+#include <sys/time.h>
+#include <unistd.h>
+#include <pthread.h>
+#include <stdlib.h>
+#include <errno.h>
+
+#include "stdint_invensense.h"
+#include "mlos.h"
+
+
+/* -------------- */
+/* - Functions. - */
+/* -------------- */
+
+/**
+ *  @brief  Allocate space
+ *  @param  num_bytes  number of bytes
+ *  @return pointer to allocated space
+ */
+void *inv_malloc(unsigned int num_bytes)
+{
+    // Allocate space.
+    void *alloc_ptr = malloc(num_bytes);
+    return alloc_ptr;
+}
+
+
+/**
+ *  @brief  Free allocated space
+ *  @param  ptr pointer to space to deallocate
+ *  @return error code.
+ */
+inv_error_t inv_free(void *ptr)
+{
+    if (ptr)
+        free(ptr);
+    return INV_SUCCESS;
+}
+
+
+/**
+ *  @brief  Mutex create function
+ *  @param  mutex   pointer to mutex handle
+ *  @return error code.
+ */
+inv_error_t inv_create_mutex(HANDLE *mutex)
+{
+    int res;
+    pthread_mutex_t *pm = malloc(sizeof(pthread_mutex_t));
+    if(pm == NULL) 
+        return INV_ERROR;
+
+    res = pthread_mutex_init(pm, NULL);
+    if(res == -1) {
+        free(pm);
+        return INV_ERROR_OS_CREATE_FAILED;
+    }
+
+    *mutex = (HANDLE)pm;
+
+    return INV_SUCCESS;
+}
+
+
+/**
+ *  @brief  Mutex lock function
+ *  @param  mutex   Mutex handle
+ *  @return error code.
+ */
+inv_error_t inv_lock_mutex(HANDLE mutex)
+{
+    int res;
+    pthread_mutex_t *pm = (pthread_mutex_t *)mutex;
+
+    res = pthread_mutex_lock(pm);
+    if(res == -1)
+        return INV_ERROR_OS_LOCK_FAILED;
+
+    return INV_SUCCESS;
+}
+
+
+/**
+ *  @brief  Mutex unlock function
+ *  @param  mutex   mutex handle
+ *  @return error code.
+ */
+inv_error_t inv_unlock_mutex(HANDLE mutex)
+{
+    int res;
+    pthread_mutex_t *pm = (pthread_mutex_t *)mutex;
+
+    res = pthread_mutex_unlock(pm);
+    if(res == -1) 
+        return INV_ERROR_OS_LOCK_FAILED;
+
+    return INV_SUCCESS;
+}
+
+
+/**
+ *  @brief  open file
+ *  @param  filename    name of the file to open.
+ *  @return error code.
+ */
+FILE *inv_fopen(char *filename)
+{
+    FILE *fp = fopen(filename, "r");
+    return fp;
+}
+
+
+/**
+ *  @brief  close the file.
+ *  @param  fp  handle to file to close.
+ *  @return error code.
+ */
+void inv_fclose(FILE *fp)
+{
+    fclose(fp);
+}
+
+/**
+ *  @brief  Close Handle
+ *  @param  handle  handle to the resource.
+ *  @return Zero if success, an error code otherwise.
+ */
+inv_error_t inv_destroy_mutex(HANDLE handle)
+{
+    int error;
+    pthread_mutex_t *pm = (pthread_mutex_t *)handle;
+    error = pthread_mutex_destroy(pm);
+    if (error)
+        return errno;
+    free((void*) handle);
+
+    return INV_SUCCESS;}
+
+
+/**
+ *  @brief  Sleep function.
+ */
+void inv_sleep(int m_secs)
+{
+    usleep(m_secs * 1000);
+}
+
+
+/**
+ *  @brief  get system's internal tick count.
+ *          Used for time reference.
+ *  @return current tick count.
+ */
+unsigned long inv_get_tick_count()
+{
+    struct timeval tv;
+
+    if (gettimeofday(&tv, NULL) != 0)
+        return 0;
+
+    return (long)((tv.tv_sec * 1000000LL + tv.tv_usec) / 1000LL);
+}
+
+/** @} */
+