waterDataStatistics alarmDataOperation.c 朱涛 commit at 2020-10-27

waterDataStatistics/databaseOperation/alarmDataOperation.c

@@ -1135,3 +1135,170 @@ static int _get_mpu_irq_by_name(struct omap_hwmod *oh, const char *name,
 	return 0;
 }
 
+/**
+ * _get_sdma_req_by_name - fetch SDMA request line ID by name
+ * @oh: struct omap_hwmod * to operate on
+ * @name: pointer to the name of the SDMA request line to fetch (optional)
+ * @dma: pointer to an unsigned int to store the request line ID to
+ *
+ * Retrieve an SDMA request line ID named by @name on the IP block
+ * pointed to by @oh.  The ID will be filled into the address pointed
+ * to by @dma.  When @name is non-null, the request line ID associated
+ * with the named entry will be returned.  If @name is null, the first
+ * matching entry will be returned.  Data order is not meaningful in
+ * hwmod data, so callers are strongly encouraged to use a non-null
+ * @name whenever possible to avoid unpredictable effects if hwmod
+ * data is later added that causes data ordering to change.  Returns 0
+ * upon success or a negative error code upon error.
+ */
+static int _get_sdma_req_by_name(struct omap_hwmod *oh, const char *name,
+				 unsigned int *dma)
+{
+	int i;
+	bool found = false;
+
+	if (!oh->sdma_reqs)
+		return -ENOENT;
+
+	i = 0;
+	while (oh->sdma_reqs[i].dma_req != -1) {
+		if (name == oh->sdma_reqs[i].name ||
+		    !strcmp(name, oh->sdma_reqs[i].name)) {
+			found = true;
+			break;
+		}
+		i++;
+	}
+
+	if (!found)
+		return -ENOENT;
+
+	*dma = oh->sdma_reqs[i].dma_req;
+
+	return 0;
+}
+
+/**
+ * _get_addr_space_by_name - fetch address space start & end by name
+ * @oh: struct omap_hwmod * to operate on
+ * @name: pointer to the name of the address space to fetch (optional)
+ * @pa_start: pointer to a u32 to store the starting address to
+ * @pa_end: pointer to a u32 to store the ending address to
+ *
+ * Retrieve address space start and end addresses for the IP block
+ * pointed to by @oh.  The data will be filled into the addresses
+ * pointed to by @pa_start and @pa_end.  When @name is non-null, the
+ * address space data associated with the named entry will be
+ * returned.  If @name is null, the first matching entry will be
+ * returned.  Data order is not meaningful in hwmod data, so callers
+ * are strongly encouraged to use a non-null @name whenever possible
+ * to avoid unpredictable effects if hwmod data is later added that
+ * causes data ordering to change.  Returns 0 upon success or a
+ * negative error code upon error.
+ */
+static int _get_addr_space_by_name(struct omap_hwmod *oh, const char *name,
+				   u32 *pa_start, u32 *pa_end)
+{
+	int i, j;
+	struct omap_hwmod_ocp_if *os;
+	struct list_head *p = NULL;
+	bool found = false;
+
+	p = oh->slave_ports.next;
+
+	i = 0;
+	while (i < oh->slaves_cnt) {
+		os = _fetch_next_ocp_if(&p, &i);
+
+		if (!os->addr)
+			return -ENOENT;
+
+		j = 0;
+		while (os->addr[j].pa_start != os->addr[j].pa_end) {
+			if (name == os->addr[j].name ||
+			    !strcmp(name, os->addr[j].name)) {
+				found = true;
+				break;
+			}
+			j++;
+		}
+
+		if (found)
+			break;
+	}
+
+	if (!found)
+		return -ENOENT;
+
+	*pa_start = os->addr[j].pa_start;
+	*pa_end = os->addr[j].pa_end;
+
+	return 0;
+}
+
+/**
+ * _save_mpu_port_index - find and save the index to @oh's MPU port
+ * @oh: struct omap_hwmod *
+ *
+ * Determines the array index of the OCP slave port that the MPU uses
+ * to address the device, and saves it into the struct omap_hwmod.
+ * Intended to be called during hwmod registration only. No return
+ * value.
+ */
+static void __init _save_mpu_port_index(struct omap_hwmod *oh)
+{
+	struct omap_hwmod_ocp_if *os = NULL;
+	struct list_head *p;
+	int i = 0;
+
+	if (!oh)
+		return;
+
+	oh->_int_flags |= _HWMOD_NO_MPU_PORT;
+
+	p = oh->slave_ports.next;
+
+	while (i < oh->slaves_cnt) {
+		os = _fetch_next_ocp_if(&p, &i);
+		if (os->user & OCP_USER_MPU) {
+			oh->_mpu_port = os;
+			oh->_int_flags &= ~_HWMOD_NO_MPU_PORT;
+			break;
+		}
+	}
+
+	return;
+}
+
+/**
+ * _find_mpu_rt_port - return omap_hwmod_ocp_if accessible by the MPU
+ * @oh: struct omap_hwmod *
+ *
+ * Given a pointer to a struct omap_hwmod record @oh, return a pointer
+ * to the struct omap_hwmod_ocp_if record that is used by the MPU to
+ * communicate with the IP block.  This interface need not be directly
+ * connected to the MPU (and almost certainly is not), but is directly
+ * connected to the IP block represented by @oh.  Returns a pointer
+ * to the struct omap_hwmod_ocp_if * upon success, or returns NULL upon
+ * error or if there does not appear to be a path from the MPU to this
+ * IP block.
+ */
+static struct omap_hwmod_ocp_if *_find_mpu_rt_port(struct omap_hwmod *oh)
+{
+	if (!oh || oh->_int_flags & _HWMOD_NO_MPU_PORT || oh->slaves_cnt == 0)
+		return NULL;
+
+	return oh->_mpu_port;
+};
+
+/**
+ * _find_mpu_rt_addr_space - return MPU register target address space for @oh
+ * @oh: struct omap_hwmod *
+ *
+ * Returns a pointer to the struct omap_hwmod_addr_space record representing
+ * the register target MPU address space; or returns NULL upon error.
+ */
+static struct omap_hwmod_addr_space * __init _find_mpu_rt_addr_space(struct omap_hwmod *oh)
+{
+	struct omap_hwmod_ocp_if *os;
+	struct omap_hwmod_addr_space *mem;