aiot/efElectricAgingTrendMining/databaseOperation/analysisDataOperation.c

/*
 * linux/arch/arm/mach-omap2/board-am3517evm.c
 *
 * Copyright (C) 2009 Texas Instruments Incorporated
 * Author: Ranjith Lohithakshan <ranjithl@ti.com>
 *
 * Based on mach-omap2/board-omap3evm.c
 *
 * 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 version 2.
 *
 * This program is distributed "as is" WITHOUT ANY WARRANTY of any kind,
 * whether express or implied; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/clk.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <linux/i2c/pca953x.h>
#include <linux/can/platform/ti_hecc.h>
#include <linux/davinci_emac.h>
#include <linux/mmc/host.h>
#include <linux/usb/musb.h>
#include <linux/platform_data/gpio-omap.h>

#include "am35xx.h"
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>

#include "common.h"
#include <video/omapdss.h>
#include <video/omap-panel-generic-dpi.h>
#include <video/omap-panel-tfp410.h>

#include "am35xx-emac.h"
#include "mux.h"
#include "control.h"
#include "hsmmc.h"

#define LCD_PANEL_PWR		176
#define LCD_PANEL_BKLIGHT_PWR	182
#define LCD_PANEL_PWM		181

static struct i2c_board_info __initdata am3517evm_i2c1_boardinfo[] = {
	{
		I2C_BOARD_INFO("s35390a", 0x30),
	},
};

/*
 * RTC - S35390A
 */
#define GPIO_RTCS35390A_IRQ	55

static void __init am3517_evm_rtc_init(void)
{
	int r;

	omap_mux_init_gpio(GPIO_RTCS35390A_IRQ, OMAP_PIN_INPUT_PULLUP);

	r = gpio_request_one(GPIO_RTCS35390A_IRQ, GPIOF_IN, "rtcs35390a-irq");
	if (r < 0) {
		printk(KERN_WARNING "failed to request GPIO#%d\n",
				GPIO_RTCS35390A_IRQ);
		return;
	}

	am3517evm_i2c1_boardinfo[0].irq = gpio_to_irq(GPIO_RTCS35390A_IRQ);
}

/*
 * I2C GPIO Expander - TCA6416
 */

/* Mounted on Base-Board */
static struct pca953x_platform_data am3517evm_gpio_expander_info_0 = {
	.gpio_base	= OMAP_MAX_GPIO_LINES,
};
static struct i2c_board_info __initdata am3517evm_i2c2_boardinfo[] = {
	{
		I2C_BOARD_INFO("tlv320aic23", 0x1A),
	},
	{
		I2C_BOARD_INFO("tca6416", 0x21),
		.platform_data = &am3517evm_gpio_expander_info_0,
	},
};

/* Mounted on UI Card */
static struct pca953x_platform_data am3517evm_ui_gpio_expander_info_1 = {
	.gpio_base	= OMAP_MAX_GPIO_LINES + 16,
};
static struct pca953x_platform_data am3517evm_ui_gpio_expander_info_2 = {
	.gpio_base	= OMAP_MAX_GPIO_LINES + 32,
};
static struct i2c_board_info __initdata am3517evm_i2c3_boardinfo[] = {
	{
		I2C_BOARD_INFO("tca6416", 0x20),
		.platform_data = &am3517evm_ui_gpio_expander_info_1,
	},
	{
		I2C_BOARD_INFO("tca6416", 0x21),
		.platform_data = &am3517evm_ui_gpio_expander_info_2,
	},
};

static int __init am3517_evm_i2c_init(void)
{
	omap_register_i2c_bus(1, 400, NULL, 0);
	omap_register_i2c_bus(2, 400, am3517evm_i2c2_boardinfo,
			ARRAY_SIZE(am3517evm_i2c2_boardinfo));
	omap_register_i2c_bus(3, 400, am3517evm_i2c3_boardinfo,
			ARRAY_SIZE(am3517evm_i2c3_boardinfo));

	return 0;
}

static int lcd_enabled;
static int dvi_enabled;

#if defined(CONFIG_PANEL_SHARP_LQ043T1DG01) || \
		defined(CONFIG_PANEL_SHARP_LQ043T1DG01_MODULE)
static struct gpio am3517_evm_dss_gpios[] __initdata = {
	/* GPIO 182 = LCD Backlight Power */
	{ LCD_PANEL_BKLIGHT_PWR, GPIOF_OUT_INIT_HIGH, "lcd_backlight_pwr" },
	/* GPIO 181 = LCD Panel PWM */
	{ LCD_PANEL_PWM,	 GPIOF_OUT_INIT_HIGH, "lcd bl enable"	  },
	/* GPIO 176 = LCD Panel Power enable pin */
	{ LCD_PANEL_PWR,	 GPIOF_OUT_INIT_HIGH, "dvi enable"	  },
};

static void __init am3517_evm_display_init(void)
{
	int r;

	omap_mux_init_gpio(LCD_PANEL_PWR, OMAP_PIN_INPUT_PULLUP);
	omap_mux_init_gpio(LCD_PANEL_BKLIGHT_PWR, OMAP_PIN_INPUT_PULLDOWN);
	omap_mux_init_gpio(LCD_PANEL_PWM, OMAP_PIN_INPUT_PULLDOWN);

	r = gpio_request_array(am3517_evm_dss_gpios,
			       ARRAY_SIZE(am3517_evm_dss_gpios));
	if (r) {
		printk(KERN_ERR "failed to get DSS panel control GPIOs\n");
		return;
	}

	printk(KERN_INFO "Display initialized successfully\n");
}
#else
static void __init am3517_evm_display_init(void) {}
#endif

static int am3517_evm_panel_enable_lcd(struct omap_dss_device *dssdev)
{
	if (dvi_enabled) {
		printk(KERN_ERR "cannot enable LCD, DVI is enabled\n");
		return -EINVAL;
	}
	gpio_set_value(LCD_PANEL_PWR, 1);
	lcd_enabled = 1;

	return 0;
}

static void am3517_evm_panel_disable_lcd(struct omap_dss_device *dssdev)
{
	gpio_set_value(LCD_PANEL_PWR, 0);
	lcd_enabled = 0;
}

static struct panel_generic_dpi_data lcd_panel = {
	.name			= "sharp_lq",
	.platform_enable	= am3517_evm_panel_enable_lcd,
	.platform_disable	= am3517_evm_panel_disable_lcd,
};

static struct omap_dss_device am3517_evm_lcd_device = {
	.type			= OMAP_DISPLAY_TYPE_DPI,
	.name			= "lcd",
	.driver_name		= "generic_dpi_panel",
	.data			= &lcd_panel,
	.phy.dpi.data_lines 	= 16,
};

static int am3517_evm_panel_enable_tv(struct omap_dss_device *dssdev)
{
	return 0;
}

static void am3517_evm_panel_disable_tv(struct omap_dss_device *dssdev)
{
}