/*
 * arch/arm/mach-tegra/board-ventana.c
 *
 * Copyright (c) 2010, NVIDIA Corporation.
 *
 * 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.,
 * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/ctype.h>
#include <linux/platform_device.h>
#include <linux/clk.h>
#include <linux/serial_8250.h>
#include <linux/i2c.h>
#include <linux/dma-mapping.h>
#include <linux/delay.h>
#include <linux/i2c-tegra.h>
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <linux/tegra_usb.h>
#include <linux/usb/android_composite.h>
#include <linux/mfd/tps6586x.h>

#ifdef CONFIG_TOUCHSCREEN_PANJIT_I2C
#include <linux/i2c/panjit_ts.h>
#endif

#ifdef CONFIG_TOUCHSCREEN_ATMEL_MT_T9
#include <linux/i2c/atmel_maxtouch.h>
#endif

#include <mach/clk.h>
#include <mach/iomap.h>
#include <mach/irqs.h>
#include <mach/pinmux.h>
#include <mach/iomap.h>
#include <mach/io.h>
#include <mach/i2s.h>
#include <mach/audio.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <mach/usb_phy.h>

#include "board.h"
#include "clock.h"
#include "board-ventana.h"
#include "devices.h"
#include "gpio-names.h"
#include "fuse.h"

static struct plat_serial8250_port debug_uart_platform_data[] = {
	{
		.membase	= IO_ADDRESS(TEGRA_UARTD_BASE),
		.mapbase	= TEGRA_UARTD_BASE,
		.irq		= INT_UARTD,
		.flags		= UPF_BOOT_AUTOCONF,
		.iotype		= UPIO_MEM,
		.regshift	= 2,
		.uartclk	= 216000000,
	}, {
		.flags		= 0,
	}
};

static struct platform_device debug_uart = {
	.name = "serial8250",
	.id = PLAT8250_DEV_PLATFORM,
	.dev = {
		.platform_data = debug_uart_platform_data,
	},
};

static struct tegra_utmip_config utmi_phy_config[] = {
	[0] = {
			.hssync_start_delay = 0,
			.idle_wait_delay = 17,
			.elastic_limit = 16,
			.term_range_adj = 6,
			.xcvr_setup = 15,
			.xcvr_lsfslew = 2,
			.xcvr_lsrslew = 2,
	},
	[1] = {
			.hssync_start_delay = 0,
			.idle_wait_delay = 17,
			.elastic_limit = 16,
			.term_range_adj = 6,
			.xcvr_setup = 8,
			.xcvr_lsfslew = 2,
			.xcvr_lsrslew = 2,
	},
};

static struct tegra_ulpi_config ulpi_phy_config = {
	.reset_gpio = TEGRA_GPIO_PG2,
	.clk = "clk_dev2",
};

#ifdef CONFIG_BCM4329_RFKILL

static struct resource ventana_bcm4329_rfkill_resources[] = {
	{
		.name   = "bcm4329_nreset_gpio",
		.start  = TEGRA_GPIO_PU0,
		.end    = TEGRA_GPIO_PU0,
		.flags  = IORESOURCE_IO,
	},
	{
		.name   = "bcm4329_nshutdown_gpio",
		.start  = TEGRA_GPIO_PK2,
		.end    = TEGRA_GPIO_PK2,
		.flags  = IORESOURCE_IO,
	},
};

static struct platform_device ventana_bcm4329_rfkill_device = {
	.name = "bcm4329_rfkill",
	.id             = -1,
	.num_resources  = ARRAY_SIZE(ventana_bcm4329_rfkill_resources),
	.resource       = ventana_bcm4329_rfkill_resources,
};

static noinline void __init ventana_bt_rfkill(void)
{
	/*Add Clock Resource*/
	clk_add_alias("bcm4329_32k_clk", ventana_bcm4329_rfkill_device.name, \
				"blink", NULL);

	platform_device_register(&ventana_bcm4329_rfkill_device);

	return;
}
#else
static inline void ventana_bt_rfkill(void) { }
#endif

static __initdata struct tegra_clk_init_table ventana_clk_init_table[] = {
	/* name		parent		rate		enabled */
	{ "uartd",	"pll_p",	216000000,	true},
	{ "uartc",	"pll_m",	600000000,	false},
	{ "blink",	"clk_32k",	32768,		false},
	{ "pll_p_out4",	"pll_p",	24000000,	true },
	{ "pwm",	"clk_32k",	32768,		false},
	{ "pll_a",	NULL,		11289600,	true},
	{ "pll_a_out0",	NULL,		11289600,	true},
	{ "i2s1",	"pll_a_out0",	11289600,	true},
	{ "i2s2",	"pll_a_out0",	11289600,	true},
	{ "audio",	"pll_a_out0",	11289600,	true},
	{ "audio_2x",	"audio",	22579200,	true},
	{ "kbc",	"clk_32k",	32768,		true},
	{ NULL,		NULL,		0,		0},
};

static char *usb_functions[] = { "mtp" };
static char *usb_functions_adb[] = { "mtp", "adb" };

static struct android_usb_product usb_products[] = {
	{
		.product_id     = 0x7102,
		.num_functions  = ARRAY_SIZE(usb_functions),
		.functions      = usb_functions,
	},
	{
		.product_id     = 0x7100,
		.num_functions  = ARRAY_SIZE(usb_functions_adb),
		.functions      = usb_functions_adb,
	},
};

/* standard android USB platform data */
static struct android_usb_platform_data andusb_plat = {
	.vendor_id              = 0x0955,
	.product_id             = 0x7100,
	.manufacturer_name      = "NVIDIA",
	.product_name           = "Ventana",
	.serial_number          = NULL,
	.num_products = ARRAY_SIZE(usb_products),
	.products = usb_products,
	.num_functions = ARRAY_SIZE(usb_functions_adb),
	.functions = usb_functions_adb,
};

static struct platform_device androidusb_device = {
	.name   = "android_usb",
	.id     = -1,
	.dev    = {
		.platform_data  = &andusb_plat,
	},
};

static struct i2c_board_info __initdata ventana_i2c_bus1_board_info[] = {
	{
		I2C_BOARD_INFO("wm8903", 0x1a),
	},
};

static struct tegra_ulpi_config ventana_ehci2_ulpi_phy_config = {
	.reset_gpio = TEGRA_GPIO_PV1,
	.clk = "clk_dev2",
};

static struct tegra_ehci_platform_data ventana_ehci2_ulpi_platform_data = {
	.operating_mode = TEGRA_USB_HOST,
	.power_down_on_bus_suspend = 0,
	.phy_config = &ventana_ehci2_ulpi_phy_config,
};

static struct tegra_i2c_platform_data ventana_i2c1_platform_data = {
	.adapter_nr	= 0,
	.bus_count	= 1,
	.bus_clk_rate	= { 400000, 0 },
};

static const struct tegra_pingroup_config i2c2_ddc = {
	.pingroup	= TEGRA_PINGROUP_DDC,
	.func		= TEGRA_MUX_I2C2,
};

static const struct tegra_pingroup_config i2c2_gen2 = {
	.pingroup	= TEGRA_PINGROUP_PTA,
	.func		= TEGRA_MUX_I2C2,
};

static struct tegra_i2c_platform_data ventana_i2c2_platform_data = {
	.adapter_nr	= 1,
	.bus_count	= 2,
	.bus_clk_rate	= { 400000, 10000 },
	.bus_mux	= { &i2c2_ddc, &i2c2_gen2 },
	.bus_mux_len	= { 1, 1 },
};

static struct tegra_i2c_platform_data ventana_i2c3_platform_data = {
	.adapter_nr	= 3,
	.bus_count	= 1,
	.bus_clk_rate	= { 400000, 0 },
};

static struct tegra_i2c_platform_data ventana_dvc_platform_data = {
	.adapter_nr	= 4,
	.bus_count	= 1,
	.bus_clk_rate	= { 400000, 0 },
	.is_dvc		= true,
};

static struct tegra_audio_platform_data tegra_audio_pdata = {
	.dma_on		= true,  /* use dma by default */
	.i2s_clk_rate	= 240000000,
	.dap_clk	= "clk_dev1",
	.audio_sync_clk = "audio_2x",
	.mode		= I2S_BIT_FORMAT_I2S,
	.fifo_fmt	= I2S_FIFO_16_LSB,
	.bit_size	= I2S_BIT_SIZE_16,
};

static void ventana_i2c_init(void)
{
	tegra_i2c_device1.dev.platform_data = &ventana_i2c1_platform_data;
	tegra_i2c_device2.dev.platform_data = &ventana_i2c2_platform_data;
	tegra_i2c_device3.dev.platform_data = &ventana_i2c3_platform_data;
	tegra_i2c_device4.dev.platform_data = &ventana_dvc_platform_data;

	i2c_register_board_info(0, ventana_i2c_bus1_board_info, 1);

	platform_device_register(&tegra_i2c_device1);
	platform_device_register(&tegra_i2c_device2);
	platform_device_register(&tegra_i2c_device3);
	platform_device_register(&tegra_i2c_device4);
}


#ifdef CONFIG_KEYBOARD_GPIO
#define GPIO_KEY(_id, _gpio, _iswake)		\
	{					\
		.code = _id,			\
		.gpio = TEGRA_GPIO_##_gpio,	\
		.active_low = 1,		\
		.desc = #_id,			\
		.type = EV_KEY,			\
		.wakeup = _iswake,		\
		.debounce_interval = 10,	\
	}

static struct gpio_keys_button ventana_keys[] = {
	[0] = GPIO_KEY(KEY_MENU, PQ3, 0),
	[1] = GPIO_KEY(KEY_HOME, PQ1, 0),
	[2] = GPIO_KEY(KEY_BACK, PQ2, 0),
	[3] = GPIO_KEY(KEY_VOLUMEUP, PQ5, 0),
	[4] = GPIO_KEY(KEY_VOLUMEDOWN, PQ4, 0),
	[5] = GPIO_KEY(KEY_POWER, PV2, 1),
};

static struct gpio_keys_platform_data ventana_keys_platform_data = {
	.buttons	= ventana_keys,
	.nbuttons	= ARRAY_SIZE(ventana_keys),
};

static struct platform_device ventana_keys_device = {
	.name	= "gpio-keys",
	.id	= 0,
	.dev	= {
		.platform_data	= &ventana_keys_platform_data,
	},
};

static void ventana_keys_init(void)
{
	int i;

	for (i = 0; i < ARRAY_SIZE(ventana_keys); i++)
		tegra_gpio_enable(ventana_keys[i].gpio);
}
#endif

static struct platform_device tegra_camera = {
	.name = "tegra_camera",
	.id = -1,
};

static struct platform_device *ventana_devices[] __initdata = {
	&tegra_otg_device,
	&androidusb_device,
	&debug_uart,
	&tegra_uartb_device,
	&tegra_uartc_device,
	&pmu_device,
	&tegra_udc_device,
	&tegra_ehci2_device,
	&tegra_gart_device,
	&tegra_aes_device,
#ifdef CONFIG_KEYBOARD_GPIO
	&ventana_keys_device,
#endif
	&tegra_wdt_device,
	&tegra_i2s_device1,
	&tegra_avp_device,
	&tegra_camera,
};


#ifdef CONFIG_TOUCHSCREEN_PANJIT_I2C
static struct panjit_i2c_ts_platform_data panjit_data = {
	.gpio_reset = TEGRA_GPIO_PQ7,
};

static const struct i2c_board_info ventana_i2c_bus1_touch_info[] = {
	{
	 I2C_BOARD_INFO("panjit_touch", 0x3),
	 .irq = TEGRA_GPIO_TO_IRQ(TEGRA_GPIO_PV6),
	 .platform_data = &panjit_data,
	 },
};

static int __init ventana_touch_init_panjit(void)
{
	tegra_gpio_enable(TEGRA_GPIO_PV6);

	tegra_gpio_enable(TEGRA_GPIO_PQ7);
	i2c_register_board_info(0, ventana_i2c_bus1_touch_info, 1);

	return 0;
}
#endif

#ifdef CONFIG_TOUCHSCREEN_ATMEL_MT_T9
/* Atmel MaxTouch touchscreen              Driver data */
/*-----------------------------------------------------*/
/*
 * Reads the CHANGELINE state; interrupt is valid if the changeline
 * is low.
 */
static u8 read_chg(void)
{
	return gpio_get_value(TEGRA_GPIO_PV6);
}

static u8 valid_interrupt(void)
{
	return !read_chg();
}

static struct mxt_platform_data Atmel_mxt_info = {
	/* Maximum number of simultaneous touches to report. */
	.numtouch = 10,
	// TODO: no need for any hw-specific things at init/exit?
	.init_platform_hw = NULL,
	.exit_platform_hw = NULL,
	.max_x = 1366,
	.max_y = 768,
	.valid_interrupt = &valid_interrupt,
	.read_chg = &read_chg,
};

static struct i2c_board_info __initdata i2c_info[] = {
	{
	 I2C_BOARD_INFO("maXTouch", MXT_I2C_ADDRESS),
	 .irq = TEGRA_GPIO_TO_IRQ(TEGRA_GPIO_PV6),
	 .platform_data = &Atmel_mxt_info,
	 },
};

static int __init ventana_touch_init_atmel(void)
{
	tegra_gpio_enable(TEGRA_GPIO_PV6);	/* FIXME:  Ventana-specific GPIO assignment     */
	tegra_gpio_enable(TEGRA_GPIO_PQ7);	/* FIXME:  Ventana-specific GPIO assignment     */

	gpio_set_value(TEGRA_GPIO_PQ7, 0);
	msleep(1);
	gpio_set_value(TEGRA_GPIO_PQ7, 1);
	msleep(100);

	i2c_register_board_info(0, i2c_info, 1);

	return 0;
}
#endif

static struct tegra_ehci_platform_data tegra_ehci_pdata[] = {
	[0] = {
			.phy_config = &utmi_phy_config[0],
			.operating_mode = TEGRA_USB_HOST,
			.power_down_on_bus_suspend = 0,
	},
	[1] = {
			.phy_config = &ulpi_phy_config,
			.operating_mode = TEGRA_USB_HOST,
			.power_down_on_bus_suspend = 1,
	},
	[2] = {
			.phy_config = &utmi_phy_config[1],
			.operating_mode = TEGRA_USB_HOST,
			.power_down_on_bus_suspend = 0,
	},
};

static void ventana_usb_init(void)
{
	tegra_ehci3_device.dev.platform_data=&tegra_ehci_pdata[2];
	platform_device_register(&tegra_ehci3_device);
}

struct platform_device *tegra_usb_otg_host_register(void)
{
	struct platform_device *pdev;
	void *platform_data;
	int val;

	pdev = platform_device_alloc(tegra_ehci1_device.name, tegra_ehci1_device.id);
	if (!pdev)
		return NULL;

	val = platform_device_add_resources(pdev, tegra_ehci1_device.resource,
		tegra_ehci1_device.num_resources);
	if (val)
		goto error;

	pdev->dev.dma_mask =  tegra_ehci1_device.dev.dma_mask;
	pdev->dev.coherent_dma_mask = tegra_ehci1_device.dev.coherent_dma_mask;

	platform_data = kmalloc(sizeof(struct tegra_ehci_platform_data), GFP_KERNEL);
	if (!platform_data)
		goto error;

	memcpy(platform_data, &tegra_ehci_pdata[0],
				sizeof(struct tegra_ehci_platform_data));
	pdev->dev.platform_data = platform_data;

	val = platform_device_add(pdev);
	if (val)
		goto error_add;

	return pdev;

error_add:
	kfree(platform_data);
error:
	pr_err("%s: failed to add the host contoller device\n", __func__);
	platform_device_put(pdev);
	return NULL;
}

void tegra_usb_otg_host_unregister(struct platform_device *pdev)
{
	platform_device_unregister(pdev);
}

static int __init ventana_gps_init(void)
{
	struct clk *clk32 = clk_get_sys(NULL, "blink");
	if (!IS_ERR(clk32)) {
		clk_set_rate(clk32,clk32->parent->rate);
		clk_enable(clk32);
	}

	tegra_gpio_enable(TEGRA_GPIO_PZ3);
	return 0;
}

static void ventana_power_off(void)
{
	int ret;

	ret = tps6586x_power_off();
	if (ret)
		pr_err("ventana: failed to power off\n");

	while(1);
}

static void __init ventana_power_off_init(void)
{
	pm_power_off = ventana_power_off;
}

static void __init tegra_ventana_init(void)
{
	char serial[20];
#if defined(CONFIG_TOUCHSCREEN_PANJIT_I2C) && \
	defined(CONFIG_TOUCHSCREEN_ATMEL_MT_T9)
	struct board_info BoardInfo;
#endif

	tegra_common_init();
	tegra_clk_init_from_table(ventana_clk_init_table);
	ventana_pinmux_init();
	ventana_i2c_init();
	snprintf(serial, sizeof(serial), "%llx", tegra_chip_uid());
	andusb_plat.serial_number = kstrdup(serial, GFP_KERNEL);
	tegra_i2s_device1.dev.platform_data = &tegra_audio_pdata;
	tegra_ehci2_device.dev.platform_data
		= &ventana_ehci2_ulpi_platform_data;
	platform_add_devices(ventana_devices, ARRAY_SIZE(ventana_devices));

	ventana_sdhci_init();
	ventana_charge_init();
	ventana_regulator_init();

#if defined(CONFIG_TOUCHSCREEN_PANJIT_I2C) && \
	defined(CONFIG_TOUCHSCREEN_ATMEL_MT_T9)

#define NVODM_ATMEL_TOUCHSCREEN 0x0A00
#define NVODM_PANJIT_TOUCHSCREEN 0x0000

	tegra_get_board_info(&BoardInfo);

	switch (BoardInfo.sku & 0xFF00) {
	case NVODM_ATMEL_TOUCHSCREEN:
		pr_info("Initializing Atmel touch driver\n");
		ventana_touch_init_atmel();
		break;
	default:
		pr_info("Initializing Panjit touch driver\n");
		ventana_touch_init_panjit();
		break;
	}
#elif defined(CONFIG_TOUCHSCREEN_ATMEL_MT_T9)
	pr_info("Initializing Atmel touch driver\n");
	ventana_touch_init_atmel();
#elif defined(CONFIG_TOUCHSCREEN_PANJIT_I2C)
	pr_info("Initializing Panjit touch driver\n");
	ventana_touch_init_panjit();
#endif

#ifdef CONFIG_KEYBOARD_GPIO
	ventana_keys_init();
#endif
#ifdef CONFIG_KEYBOARD_TEGRA
	ventana_kbc_init();
#endif

	ventana_usb_init();
	ventana_gps_init();
	ventana_panel_init();
	ventana_sensors_init();
	ventana_bt_rfkill();
	ventana_power_off_init();
}

MACHINE_START(VENTANA, "ventana")
	.boot_params    = 0x00000100,
	.phys_io        = IO_APB_PHYS,
	.io_pg_offst    = ((IO_APB_VIRT) >> 18) & 0xfffc,
	.init_irq       = tegra_init_irq,
	.init_machine   = tegra_ventana_init,
	.map_io         = tegra_map_common_io,
	.timer          = &tegra_timer,
MACHINE_END