waterDataStatistics memoryCall.c 朱俊杰 commit at 2020-11-30

waterDataStatistics/dataSharedMemory/memoryCall.c

@@ -533,3 +533,105 @@ int pwrdm_read_pwrst(struct powerdomain *pwrdm)
 {
 	int ret = -EINVAL;
 
+	if (!pwrdm)
+		return -EINVAL;
+
+	if (pwrdm->pwrsts == PWRSTS_ON)
+		return PWRDM_POWER_ON;
+
+	if (arch_pwrdm && arch_pwrdm->pwrdm_read_pwrst)
+		ret = arch_pwrdm->pwrdm_read_pwrst(pwrdm);
+
+	return ret;
+}
+
+/**
+ * pwrdm_read_prev_pwrst - get previous powerdomain power state
+ * @pwrdm: struct powerdomain * to get previous power state
+ *
+ * Return the powerdomain @pwrdm's previous power state.  Returns -EINVAL
+ * if the powerdomain pointer is null or returns the previous power state
+ * upon success.
+ */
+int pwrdm_read_prev_pwrst(struct powerdomain *pwrdm)
+{
+	int ret = -EINVAL;
+
+	if (!pwrdm)
+		return -EINVAL;
+
+	if (arch_pwrdm && arch_pwrdm->pwrdm_read_prev_pwrst)
+		ret = arch_pwrdm->pwrdm_read_prev_pwrst(pwrdm);
+
+	return ret;
+}
+
+/**
+ * pwrdm_set_logic_retst - set powerdomain logic power state upon retention
+ * @pwrdm: struct powerdomain * to set
+ * @pwrst: one of the PWRDM_POWER_* macros
+ *
+ * Set the next power state @pwrst that the logic portion of the
+ * powerdomain @pwrdm will enter when the powerdomain enters retention.
+ * This will be either RETENTION or OFF, if supported.  Returns
+ * -EINVAL if the powerdomain pointer is null or the target power
+ * state is not not supported, or returns 0 upon success.
+ */
+int pwrdm_set_logic_retst(struct powerdomain *pwrdm, u8 pwrst)
+{
+	int ret = -EINVAL;
+
+	if (!pwrdm)
+		return -EINVAL;
+
+	if (!(pwrdm->pwrsts_logic_ret & (1 << pwrst)))
+		return -EINVAL;
+
+	pr_debug("powerdomain: %s: setting next logic powerstate to %0x\n",
+		 pwrdm->name, pwrst);
+
+	if (arch_pwrdm && arch_pwrdm->pwrdm_set_logic_retst)
+		ret = arch_pwrdm->pwrdm_set_logic_retst(pwrdm, pwrst);
+
+	return ret;
+}
+
+/**
+ * pwrdm_set_mem_onst - set memory power state while powerdomain ON
+ * @pwrdm: struct powerdomain * to set
+ * @bank: memory bank number to set (0-3)
+ * @pwrst: one of the PWRDM_POWER_* macros
+ *
+ * Set the next power state @pwrst that memory bank @bank of the
+ * powerdomain @pwrdm will enter when the powerdomain enters the ON
+ * state.  @bank will be a number from 0 to 3, and represents different
+ * types of memory, depending on the powerdomain.  Returns -EINVAL if
+ * the powerdomain pointer is null or the target power state is not
+ * not supported for this memory bank, -EEXIST if the target memory
+ * bank does not exist or is not controllable, or returns 0 upon
+ * success.
+ */
+int pwrdm_set_mem_onst(struct powerdomain *pwrdm, u8 bank, u8 pwrst)
+{
+	int ret = -EINVAL;
+
+	if (!pwrdm)
+		return -EINVAL;
+
+	if (pwrdm->banks < (bank + 1))
+		return -EEXIST;
+
+	if (!(pwrdm->pwrsts_mem_on[bank] & (1 << pwrst)))
+		return -EINVAL;
+
+	pr_debug("powerdomain: %s: setting next memory powerstate for bank %0x while pwrdm-ON to %0x\n",
+		 pwrdm->name, bank, pwrst);
+
+	if (arch_pwrdm && arch_pwrdm->pwrdm_set_mem_onst)
+		ret = arch_pwrdm->pwrdm_set_mem_onst(pwrdm, bank, pwrst);
+
+	return ret;
+}
+
+/**
+ * pwrdm_set_mem_retst - set memory power state while powerdomain in RET