efDataStatistics memoryOperation.c 庞乐 commit at 2020-09-03

efDataStatistics/dataSharedMemory/memoryOperation.c

@@ -0,0 +1,185 @@
+/*
+* linux/arch/arm/mach-omap1/board-sx1.c
+*
+* Modified from board-generic.c
+*
+* Support for the Siemens SX1 mobile phone.
+*
+* Original version : Vladimir Ananiev (Vovan888-at-gmail com)
+*
+* Maintainters : Vladimir Ananiev (aka Vovan888), Sergge
+*		oslik.ru
+*
+* 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/gpio.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/input.h>
+#include <linux/platform_device.h>
+#include <linux/notifier.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+#include <linux/types.h>
+#include <linux/i2c.h>
+#include <linux/errno.h>
+#include <linux/export.h>
+#include <linux/omapfb.h>
+#include <linux/platform_data/keypad-omap.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include <mach/flash.h>
+#include <mach/mux.h>
+#include <linux/omap-dma.h>
+#include <mach/irda.h>
+#include <mach/tc.h>
+#include <mach/board-sx1.h>
+
+#include <mach/hardware.h>
+#include <mach/usb.h>
+
+#include "common.h"
+#include "dma.h"
+
+/* Write to I2C device */
+int sx1_i2c_write_byte(u8 devaddr, u8 regoffset, u8 value)
+{
+	struct i2c_adapter *adap;
+	int err;
+	struct i2c_msg msg[1];
+	unsigned char data[2];
+
+	adap = i2c_get_adapter(0);
+	if (!adap)
+		return -ENODEV;
+	msg->addr = devaddr;	/* I2C address of chip */
+	msg->flags = 0;
+	msg->len = 2;
+	msg->buf = data;
+	data[0] = regoffset;	/* register num */
+	data[1] = value;		/* register data */
+	err = i2c_transfer(adap, msg, 1);
+	i2c_put_adapter(adap);
+	if (err >= 0)
+		return 0;
+	return err;
+}
+
+/* Read from I2C device */
+int sx1_i2c_read_byte(u8 devaddr, u8 regoffset, u8 *value)
+{
+	struct i2c_adapter *adap;
+	int err;
+	struct i2c_msg msg[1];
+	unsigned char data[2];
+
+	adap = i2c_get_adapter(0);
+	if (!adap)
+		return -ENODEV;
+
+	msg->addr = devaddr;	/* I2C address of chip */
+	msg->flags = 0;
+	msg->len = 1;
+	msg->buf = data;
+	data[0] = regoffset;	/* register num */
+	err = i2c_transfer(adap, msg, 1);
+
+	msg->addr = devaddr;	/* I2C address */
+	msg->flags = I2C_M_RD;
+	msg->len = 1;
+	msg->buf = data;
+	err = i2c_transfer(adap, msg, 1);
+	*value = data[0];
+	i2c_put_adapter(adap);
+
+	if (err >= 0)
+		return 0;
+	return err;
+}
+/* set keyboard backlight intensity */
+int sx1_setkeylight(u8 keylight)
+{
+	if (keylight > SOFIA_MAX_LIGHT_VAL)
+		keylight = SOFIA_MAX_LIGHT_VAL;
+	return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
+}
+/* get current keylight intensity */
+int sx1_getkeylight(u8 * keylight)
+{
+	return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
+}
+/* set LCD backlight intensity */
+int sx1_setbacklight(u8 backlight)
+{
+	if (backlight > SOFIA_MAX_LIGHT_VAL)
+		backlight = SOFIA_MAX_LIGHT_VAL;
+	return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG,
+				  backlight);
+}
+/* get current LCD backlight intensity */
+int sx1_getbacklight (u8 * backlight)
+{
+	return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG,
+				 backlight);
+}
+/* set LCD backlight power on/off */
+int sx1_setmmipower(u8 onoff)
+{
+	int err;
+	u8 dat = 0;
+	err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
+	if (err < 0)
+		return err;
+	if (onoff)
+		dat |= SOFIA_MMILIGHT_POWER;
+	else
+		dat &= ~SOFIA_MMILIGHT_POWER;
+	return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
+}
+
+/* set USB power on/off */
+int sx1_setusbpower(u8 onoff)
+{
+	int err;
+	u8 dat = 0;
+	err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
+	if (err < 0)
+		return err;
+	if (onoff)
+		dat |= SOFIA_USB_POWER;
+	else
+		dat &= ~SOFIA_USB_POWER;
+	return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
+}
+
+EXPORT_SYMBOL(sx1_setkeylight);
+EXPORT_SYMBOL(sx1_getkeylight);
+EXPORT_SYMBOL(sx1_setbacklight);
+EXPORT_SYMBOL(sx1_getbacklight);
+EXPORT_SYMBOL(sx1_setmmipower);
+EXPORT_SYMBOL(sx1_setusbpower);
+
+/*----------- Keypad -------------------------*/
+
+static const unsigned int sx1_keymap[] = {
+	KEY(3, 5, GROUP_0 | 117), /* camera Qt::Key_F17 */
+	KEY(4, 0, GROUP_0 | 114), /* voice memo Qt::Key_F14 */
+	KEY(4, 1, GROUP_2 | 114), /* voice memo */
+	KEY(4, 2, GROUP_3 | 114), /* voice memo */
+	KEY(0, 0, GROUP_1 | KEY_F12),	/* red button Qt::Key_Hangup */
+	KEY(3, 4, GROUP_1 | KEY_LEFT),
+	KEY(3, 2, GROUP_1 | KEY_DOWN),
+	KEY(3, 1, GROUP_1 | KEY_RIGHT),
+	KEY(3, 0, GROUP_1 | KEY_UP),
+	KEY(3, 3, GROUP_1 | KEY_POWER), /* joystick press or Qt::Key_Select */
+	KEY(0, 5, GROUP_1 | KEY_1),
+	KEY(0, 4, GROUP_1 | KEY_2),
+	KEY(0, 3, GROUP_1 | KEY_3),
+	KEY(4, 3, GROUP_1 | KEY_4),
+	KEY(4, 4, GROUP_1 | KEY_5),