waterDataStatistics alarmDataOperation.c 朱涛 commit at 2020-11-27

waterDataStatistics/databaseOperation/alarmDataOperation.c

@@ -1497,3 +1497,160 @@ static void _shutdown_sysc(struct omap_hwmod *oh)
 static struct omap_hwmod *_lookup(const char *name)
 {
 	struct omap_hwmod *oh, *temp_oh;
+
+	oh = NULL;
+
+	list_for_each_entry(temp_oh, &omap_hwmod_list, node) {
+		if (!strcmp(name, temp_oh->name)) {
+			oh = temp_oh;
+			break;
+		}
+	}
+
+	return oh;
+}
+
+/**
+ * _init_clkdm - look up a clockdomain name, store pointer in omap_hwmod
+ * @oh: struct omap_hwmod *
+ *
+ * Convert a clockdomain name stored in a struct omap_hwmod into a
+ * clockdomain pointer, and save it into the struct omap_hwmod.
+ * Return -EINVAL if the clkdm_name lookup failed.
+ */
+static int _init_clkdm(struct omap_hwmod *oh)
+{
+	if (!oh->clkdm_name) {
+		pr_debug("omap_hwmod: %s: missing clockdomain\n", oh->name);
+		return 0;
+	}
+
+	oh->clkdm = clkdm_lookup(oh->clkdm_name);
+	if (!oh->clkdm) {
+		pr_warning("omap_hwmod: %s: could not associate to clkdm %s\n",
+			oh->name, oh->clkdm_name);
+		return -EINVAL;
+	}
+
+	pr_debug("omap_hwmod: %s: associated to clkdm %s\n",
+		oh->name, oh->clkdm_name);
+
+	return 0;
+}
+
+/**
+ * _init_clocks - clk_get() all clocks associated with this hwmod. Retrieve as
+ * well the clockdomain.
+ * @oh: struct omap_hwmod *
+ * @data: not used; pass NULL
+ *
+ * Called by omap_hwmod_setup_*() (after omap2_clk_init()).
+ * Resolves all clock names embedded in the hwmod.  Returns 0 on
+ * success, or a negative error code on failure.
+ */
+static int _init_clocks(struct omap_hwmod *oh, void *data)
+{
+	int ret = 0;
+
+	if (oh->_state != _HWMOD_STATE_REGISTERED)
+		return 0;
+
+	pr_debug("omap_hwmod: %s: looking up clocks\n", oh->name);
+
+	if (soc_ops.init_clkdm)
+		ret |= soc_ops.init_clkdm(oh);
+
+	ret |= _init_main_clk(oh);
+	ret |= _init_interface_clks(oh);
+	ret |= _init_opt_clks(oh);
+
+	if (!ret)
+		oh->_state = _HWMOD_STATE_CLKS_INITED;
+	else
+		pr_warning("omap_hwmod: %s: cannot _init_clocks\n", oh->name);
+
+	return ret;
+}
+
+/**
+ * _lookup_hardreset - fill register bit info for this hwmod/reset line
+ * @oh: struct omap_hwmod *
+ * @name: name of the reset line in the context of this hwmod
+ * @ohri: struct omap_hwmod_rst_info * that this function will fill in
+ *
+ * Return the bit position of the reset line that match the
+ * input name. Return -ENOENT if not found.
+ */
+static int _lookup_hardreset(struct omap_hwmod *oh, const char *name,
+			     struct omap_hwmod_rst_info *ohri)
+{
+	int i;
+
+	for (i = 0; i < oh->rst_lines_cnt; i++) {
+		const char *rst_line = oh->rst_lines[i].name;
+		if (!strcmp(rst_line, name)) {
+			ohri->rst_shift = oh->rst_lines[i].rst_shift;
+			ohri->st_shift = oh->rst_lines[i].st_shift;
+			pr_debug("omap_hwmod: %s: %s: %s: rst %d st %d\n",
+				 oh->name, __func__, rst_line, ohri->rst_shift,
+				 ohri->st_shift);
+
+			return 0;
+		}
+	}
+
+	return -ENOENT;
+}
+
+/**
+ * _assert_hardreset - assert the HW reset line of submodules
+ * contained in the hwmod module.
+ * @oh: struct omap_hwmod *
+ * @name: name of the reset line to lookup and assert
+ *
+ * Some IP like dsp, ipu or iva contain processor that require an HW
+ * reset line to be assert / deassert in order to enable fully the IP.
+ * Returns -EINVAL if @oh is null, -ENOSYS if we have no way of
+ * asserting the hardreset line on the currently-booted SoC, or passes
+ * along the return value from _lookup_hardreset() or the SoC's
+ * assert_hardreset code.
+ */
+static int _assert_hardreset(struct omap_hwmod *oh, const char *name)
+{
+	struct omap_hwmod_rst_info ohri;
+	int ret = -EINVAL;
+
+	if (!oh)
+		return -EINVAL;
+
+	if (!soc_ops.assert_hardreset)
+		return -ENOSYS;
+
+	ret = _lookup_hardreset(oh, name, &ohri);
+	if (ret < 0)
+		return ret;
+
+	ret = soc_ops.assert_hardreset(oh, &ohri);
+
+	return ret;
+}
+
+/**
+ * _deassert_hardreset - deassert the HW reset line of submodules contained
+ * in the hwmod module.
+ * @oh: struct omap_hwmod *
+ * @name: name of the reset line to look up and deassert
+ *
+ * Some IP like dsp, ipu or iva contain processor that require an HW
+ * reset line to be assert / deassert in order to enable fully the IP.
+ * Returns -EINVAL if @oh is null, -ENOSYS if we have no way of
+ * deasserting the hardreset line on the currently-booted SoC, or passes
+ * along the return value from _lookup_hardreset() or the SoC's
+ * deassert_hardreset code.
+ */
+static int _deassert_hardreset(struct omap_hwmod *oh, const char *name)
+{
+	struct omap_hwmod_rst_info ohri;
+	int ret = -EINVAL;
+	int hwsup = 0;
+