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waterDataPreprocessing postProcessingDataMemoryDefinition.c 韩正义 commit at 2020-10-22

韩正义 4 anos atrás
pai
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d76123b36e

+ 151 - 0
waterDataPreprocessing/dataSharedMemory/postProcessingDataMemoryDefinition.c

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+/*
+ * linux/arch/arm/mach-omap2/mux.c
+ *
+ * OMAP2, OMAP3 and OMAP4 pin multiplexing configurations
+ *
+ * Copyright (C) 2004 - 2010 Texas Instruments Inc.
+ * Copyright (C) 2003 - 2008 Nokia Corporation
+ *
+ * Written by Tony Lindgren
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/list.h>
+#include <linux/slab.h>
+#include <linux/ctype.h>
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
+#include <linux/uaccess.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+
+
+#include "omap_hwmod.h"
+
+#include "soc.h"
+#include "control.h"
+#include "mux.h"
+#include "prm.h"
+#include "common.h"
+
+#define OMAP_MUX_BASE_OFFSET		0x30	/* Offset from CTRL_BASE */
+#define OMAP_MUX_BASE_SZ		0x5ca
+
+struct omap_mux_entry {
+	struct omap_mux		mux;
+	struct list_head	node;
+};
+
+static LIST_HEAD(mux_partitions);
+static DEFINE_MUTEX(muxmode_mutex);
+
+struct omap_mux_partition *omap_mux_get(const char *name)
+{
+	struct omap_mux_partition *partition;
+
+	list_for_each_entry(partition, &mux_partitions, node) {
+		if (!strcmp(name, partition->name))
+			return partition;
+	}
+
+	return NULL;
+}
+
+u16 omap_mux_read(struct omap_mux_partition *partition, u16 reg)
+{
+	if (partition->flags & OMAP_MUX_REG_8BIT)
+		return __raw_readb(partition->base + reg);
+	else
+		return __raw_readw(partition->base + reg);
+}
+
+void omap_mux_write(struct omap_mux_partition *partition, u16 val,
+			   u16 reg)
+{
+	if (partition->flags & OMAP_MUX_REG_8BIT)
+		__raw_writeb(val, partition->base + reg);
+	else
+		__raw_writew(val, partition->base + reg);
+}
+
+void omap_mux_write_array(struct omap_mux_partition *partition,
+				 struct omap_board_mux *board_mux)
+{
+	if (!board_mux)
+		return;
+
+	while (board_mux->reg_offset != OMAP_MUX_TERMINATOR) {
+		omap_mux_write(partition, board_mux->value,
+			       board_mux->reg_offset);
+		board_mux++;
+	}
+}
+
+#ifdef CONFIG_OMAP_MUX
+
+static char *omap_mux_options;
+
+static int __init _omap_mux_init_gpio(struct omap_mux_partition *partition,
+				      int gpio, int val)
+{
+	struct omap_mux_entry *e;
+	struct omap_mux *gpio_mux = NULL;
+	u16 old_mode;
+	u16 mux_mode;
+	int found = 0;
+	struct list_head *muxmodes = &partition->muxmodes;
+
+	if (!gpio)
+		return -EINVAL;
+
+	list_for_each_entry(e, muxmodes, node) {
+		struct omap_mux *m = &e->mux;
+		if (gpio == m->gpio) {
+			gpio_mux = m;
+			found++;
+		}
+	}
+
+	if (found == 0) {
+		pr_err("%s: Could not set gpio%i\n", __func__, gpio);
+		return -ENODEV;
+	}
+
+	if (found > 1) {
+		pr_info("%s: Multiple gpio paths (%d) for gpio%i\n", __func__,
+			found, gpio);
+		return -EINVAL;
+	}
+
+	old_mode = omap_mux_read(partition, gpio_mux->reg_offset);
+	mux_mode = val & ~(OMAP_MUX_NR_MODES - 1);
+	mux_mode |= partition->gpio;
+	pr_debug("%s: Setting signal %s.gpio%i 0x%04x -> 0x%04x\n", __func__,
+		 gpio_mux->muxnames[0], gpio, old_mode, mux_mode);
+	omap_mux_write(partition, mux_mode, gpio_mux->reg_offset);
+
+	return 0;
+}
+
+int __init omap_mux_init_gpio(int gpio, int val)
+{
+	struct omap_mux_partition *partition;
+	int ret;
+
+	list_for_each_entry(partition, &mux_partitions, node) {