waterDataStatistics realizationOfDataCalculation.c 徐寅秋 commit at 2020-12-25

waterDataStatistics/calculationOfAlarmUnprocessedData/realizationOfDataCalculation.c

@@ -0,0 +1,155 @@
+/*
+ * OMAP3 Power Management Routines
+ *
+ * Copyright (C) 2006-2008 Nokia Corporation
+ * Tony Lindgren <tony@atomide.com>
+ * Jouni Hogander
+ *
+ * Copyright (C) 2007 Texas Instruments, Inc.
+ * Rajendra Nayak <rnayak@ti.com>
+ *
+ * Copyright (C) 2005 Texas Instruments, Inc.
+ * Richard Woodruff <r-woodruff2@ti.com>
+ *
+ * Based on pm.c for omap1
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/pm.h>
+#include <linux/suspend.h>
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <linux/list.h>
+#include <linux/err.h>
+#include <linux/gpio.h>
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+#include <linux/omap-dma.h>
+#include <linux/platform_data/gpio-omap.h>
+
+#include <trace/events/power.h>
+
+#include <asm/fncpy.h>
+#include <asm/suspend.h>
+#include <asm/system_misc.h>
+
+#include "clockdomain.h"
+#include "powerdomain.h"
+#include "soc.h"
+#include "common.h"
+#include "cm3xxx.h"
+#include "cm-regbits-34xx.h"
+#include "gpmc.h"
+#include "prm-regbits-34xx.h"
+#include "prm3xxx.h"
+#include "pm.h"
+#include "sdrc.h"
+#include "sram.h"
+#include "control.h"
+
+/* pm34xx errata defined in pm.h */
+u16 pm34xx_errata;
+
+struct power_state {
+	struct powerdomain *pwrdm;
+	u32 next_state;
+#ifdef CONFIG_SUSPEND
+	u32 saved_state;
+#endif
+	struct list_head node;
+};
+
+static LIST_HEAD(pwrst_list);
+
+static int (*_omap_save_secure_sram)(u32 *addr);
+void (*omap3_do_wfi_sram)(void);
+
+static struct powerdomain *mpu_pwrdm, *neon_pwrdm;
+static struct powerdomain *core_pwrdm, *per_pwrdm;
+
+static void omap3_core_save_context(void)
+{
+	omap3_ctrl_save_padconf();
+
+	/*
+	 * Force write last pad into memory, as this can fail in some
+	 * cases according to errata 1.157, 1.185
+	 */
+	omap_ctrl_writel(omap_ctrl_readl(OMAP343X_PADCONF_ETK_D14),
+		OMAP343X_CONTROL_MEM_WKUP + 0x2a0);
+
+	/* Save the Interrupt controller context */
+	omap_intc_save_context();
+	/* Save the GPMC context */
+	omap3_gpmc_save_context();
+	/* Save the system control module context, padconf already save above*/
+	omap3_control_save_context();
+	omap_dma_global_context_save();
+}
+
+static void omap3_core_restore_context(void)
+{
+	/* Restore the control module context, padconf restored by h/w */
+	omap3_control_restore_context();
+	/* Restore the GPMC context */
+	omap3_gpmc_restore_context();
+	/* Restore the interrupt controller context */
+	omap_intc_restore_context();
+	omap_dma_global_context_restore();
+}
+
+/*
+ * FIXME: This function should be called before entering off-mode after
+ * OMAP3 secure services have been accessed. Currently it is only called
+ * once during boot sequence, but this works as we are not using secure
+ * services.
+ */
+static void omap3_save_secure_ram_context(void)
+{
+	u32 ret;
+	int mpu_next_state = pwrdm_read_next_pwrst(mpu_pwrdm);
+
+	if (omap_type() != OMAP2_DEVICE_TYPE_GP) {
+		/*
+		 * MPU next state must be set to POWER_ON temporarily,
+		 * otherwise the WFI executed inside the ROM code
+		 * will hang the system.
+		 */
+		pwrdm_set_next_pwrst(mpu_pwrdm, PWRDM_POWER_ON);
+		ret = _omap_save_secure_sram((u32 *)
+				__pa(omap3_secure_ram_storage));
+		pwrdm_set_next_pwrst(mpu_pwrdm, mpu_next_state);
+		/* Following is for error tracking, it should not happen */
+		if (ret) {
+			pr_err("save_secure_sram() returns %08x\n", ret);
+			while (1)
+				;
+		}
+	}
+}
+
+/*
+ * PRCM Interrupt Handler Helper Function
+ *
+ * The purpose of this function is to clear any wake-up events latched
+ * in the PRCM PM_WKST_x registers. It is possible that a wake-up event
+ * may occur whilst attempting to clear a PM_WKST_x register and thus
+ * set another bit in this register. A while loop is used to ensure
+ * that any peripheral wake-up events occurring while attempting to
+ * clear the PM_WKST_x are detected and cleared.
+ */
+static int prcm_clear_mod_irqs(s16 module, u8 regs, u32 ignore_bits)
+{
+	u32 wkst, fclk, iclk, clken;
+	u16 wkst_off = (regs == 3) ? OMAP3430ES2_PM_WKST3 : PM_WKST1;
+	u16 fclk_off = (regs == 3) ? OMAP3430ES2_CM_FCLKEN3 : CM_FCLKEN1;
+	u16 iclk_off = (regs == 3) ? CM_ICLKEN3 : CM_ICLKEN1;
+	u16 grpsel_off = (regs == 3) ?
+		OMAP3430ES2_PM_MPUGRPSEL3 : OMAP3430_PM_MPUGRPSEL;
+	int c = 0;
+
+	wkst = omap2_prm_read_mod_reg(module, wkst_off);