waterDataStatistics alarmDataOperation.c 朱涛 commit at 2020-12-22

waterDataStatistics/databaseOperation/alarmDataOperation.c

@@ -2190,3 +2190,147 @@ static int _idle(struct omap_hwmod *oh)
 
 	if (_are_all_hardreset_lines_asserted(oh))
 		return 0;
+
+	if (oh->class->sysc)
+		_idle_sysc(oh);
+	_del_initiator_dep(oh, mpu_oh);
+
+	if (soc_ops.disable_module)
+		soc_ops.disable_module(oh);
+
+	/*
+	 * The module must be in idle mode before disabling any parents
+	 * clocks. Otherwise, the parent clock might be disabled before
+	 * the module transition is done, and thus will prevent the
+	 * transition to complete properly.
+	 */
+	_disable_clocks(oh);
+	if (oh->clkdm)
+		clkdm_hwmod_disable(oh->clkdm, oh);
+
+	/* Mux pins for device idle if populated */
+	if (oh->mux && oh->mux->pads_dynamic) {
+		omap_hwmod_mux(oh->mux, _HWMOD_STATE_IDLE);
+		_reconfigure_io_chain();
+	}
+
+	oh->_state = _HWMOD_STATE_IDLE;
+
+	return 0;
+}
+
+/**
+ * omap_hwmod_set_ocp_autoidle - set the hwmod's OCP autoidle bit
+ * @oh: struct omap_hwmod *
+ * @autoidle: desired AUTOIDLE bitfield value (0 or 1)
+ *
+ * Sets the IP block's OCP autoidle bit in hardware, and updates our
+ * local copy. Intended to be used by drivers that require
+ * direct manipulation of the AUTOIDLE bits.
+ * Returns -EINVAL if @oh is null or is not in the ENABLED state, or passes
+ * along the return value from _set_module_autoidle().
+ *
+ * Any users of this function should be scrutinized carefully.
+ */
+int omap_hwmod_set_ocp_autoidle(struct omap_hwmod *oh, u8 autoidle)
+{
+	u32 v;
+	int retval = 0;
+	unsigned long flags;
+
+	if (!oh || oh->_state != _HWMOD_STATE_ENABLED)
+		return -EINVAL;
+
+	spin_lock_irqsave(&oh->_lock, flags);
+
+	v = oh->_sysc_cache;
+
+	retval = _set_module_autoidle(oh, autoidle, &v);
+
+	if (!retval)
+		_write_sysconfig(v, oh);
+
+	spin_unlock_irqrestore(&oh->_lock, flags);
+
+	return retval;
+}
+
+/**
+ * _shutdown - shutdown an omap_hwmod
+ * @oh: struct omap_hwmod *
+ *
+ * Shut down an omap_hwmod @oh.  This should be called when the driver
+ * used for the hwmod is removed or unloaded or if the driver is not
+ * used by the system.  Returns -EINVAL if the hwmod is in the wrong
+ * state or returns 0.
+ */
+static int _shutdown(struct omap_hwmod *oh)
+{
+	int ret, i;
+	u8 prev_state;
+
+	if (oh->_state != _HWMOD_STATE_IDLE &&
+	    oh->_state != _HWMOD_STATE_ENABLED) {
+		WARN(1, "omap_hwmod: %s: disabled state can only be entered from idle, or enabled state\n",
+			oh->name);
+		return -EINVAL;
+	}
+
+	if (_are_all_hardreset_lines_asserted(oh))
+		return 0;
+
+	pr_debug("omap_hwmod: %s: disabling\n", oh->name);
+
+	if (oh->class->pre_shutdown) {
+		prev_state = oh->_state;
+		if (oh->_state == _HWMOD_STATE_IDLE)
+			_enable(oh);
+		ret = oh->class->pre_shutdown(oh);
+		if (ret) {
+			if (prev_state == _HWMOD_STATE_IDLE)
+				_idle(oh);
+			return ret;
+		}
+	}
+
+	if (oh->class->sysc) {
+		if (oh->_state == _HWMOD_STATE_IDLE)
+			_enable(oh);
+		_shutdown_sysc(oh);
+	}
+
+	/* clocks and deps are already disabled in idle */
+	if (oh->_state == _HWMOD_STATE_ENABLED) {
+		_del_initiator_dep(oh, mpu_oh);
+		/* XXX what about the other system initiators here? dma, dsp */
+		if (soc_ops.disable_module)
+			soc_ops.disable_module(oh);
+		_disable_clocks(oh);
+		if (oh->clkdm)
+			clkdm_hwmod_disable(oh->clkdm, oh);
+	}
+	/* XXX Should this code also force-disable the optional clocks? */
+
+	for (i = 0; i < oh->rst_lines_cnt; i++)
+		_assert_hardreset(oh, oh->rst_lines[i].name);
+
+	/* Mux pins to safe mode or use populated off mode values */
+	if (oh->mux)
+		omap_hwmod_mux(oh->mux, _HWMOD_STATE_DISABLED);
+
+	oh->_state = _HWMOD_STATE_DISABLED;
+
+	return 0;
+}
+
+/**
+ * _init_mpu_rt_base - populate the virtual address for a hwmod
+ * @oh: struct omap_hwmod * to locate the virtual address
+ *
+ * Cache the virtual address used by the MPU to access this IP block's
+ * registers.  This address is needed early so the OCP registers that
+ * are part of the device's address space can be ioremapped properly.
+ * No return value.
+ */
+static void __init _init_mpu_rt_base(struct omap_hwmod *oh, void *data)
+{