/*
 * arch/arm/mach-tegra/board-enterprise.c
 *
 * Copyright (c) 2011, 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/input.h>
#include <linux/platform_data/tegra_usb.h>
#include <linux/usb/android_composite.h>
#include <linux/spi/spi.h>
#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/spdif.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-enterprise.h"
#include "devices.h"
#include "gpio-names.h"
#include "fuse.h"


static struct usb_mass_storage_platform_data tegra_usb_fsg_platform = {
	.vendor = "NVIDIA",
	.product = "Tegra 3",
	.nluns = 1,
};

static struct platform_device tegra_usb_fsg_device = {
	.name = "usb_mass_storage",
	.id = -1,
	.dev = {
		.platform_data = &tegra_usb_fsg_platform,
	},
};

static struct plat_serial8250_port debug_uart_platform_data[] = {
	{
		.membase	= IO_ADDRESS(TEGRA_UARTA_BASE),
		.mapbase	= TEGRA_UARTA_BASE,
		.irq		= INT_UARTA,
		.flags		= UPF_BOOT_AUTOCONF | UPF_FIXED_TYPE,
		.type		= PORT_TEGRA,
		.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,
	},
};

/* !!!TODO: Change for enterprise (Taken from Cardhu) */
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 = 15,
			.xcvr_lsfslew = 2,
			.xcvr_lsrslew = 2,
	},
	[2] = {
			.hssync_start_delay = 0,
			.idle_wait_delay = 17,
			.elastic_limit = 16,
			.term_range_adj = 6,
			.xcvr_setup = 8,
			.xcvr_lsfslew = 2,
			.xcvr_lsrslew = 2,
	},
};

#ifdef CONFIG_BCM4329_RFKILL
static struct resource enterprise_bcm4329_rfkill_resources[] = {
	{
		.name   = "bcm4329_nshutdown_gpio",
		.start  = TEGRA_GPIO_PU0,
		.end    = TEGRA_GPIO_PU0,
		.flags  = IORESOURCE_IO,
	},
};

static struct platform_device enterprise_bcm4329_rfkill_device = {
	.name = "bcm4329_rfkill",
	.id             = -1,
	.num_resources  = ARRAY_SIZE(enterprise_bcm4329_rfkill_resources),
	.resource       = enterprise_bcm4329_rfkill_resources,
};

static noinline void __init enterprise_bt_rfkill(void)
{
	platform_device_register(&enterprise_bcm4329_rfkill_device);

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

static __initdata struct tegra_clk_init_table enterprise_clk_init_table[] = {
	/* name		parent		rate		enabled */
	{ "uarta",	"pll_p",	216000000,	true},
	{ "uartb",	"pll_p",	216000000,	false},
	{ "uartc",	"pll_p",	216000000,	false},
	{ "uartd",	"pll_p",	216000000,	false},
	{ "uarte",	"pll_p",	216000000,	false},
	{ "pll_m",	NULL,		0,		true},
	{ "hda",	"pll_p",	108000000,	false},
	{ "hda2codec_2x","pll_p",	48000000,	false},
	{ "pwm",	"clk_32k",	32768,		false},
	{ "blink",	"clk_32k",	32768,		true},
	{ "pll_a",	NULL,		56448000,	false},
	{ "pll_a_out0",	NULL,		11289600,	false},
	{ "d_audio","pll_a_out0",	11289600,	false},
	{ NULL,		NULL,		0,		0},
};

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

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           = "Enterprise",
	.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 enterprise_i2c_bus1_board_info[] = {
	{
		I2C_BOARD_INFO("wm8903", 0x1a),
	},
};

static struct tegra_i2c_platform_data enterprise_i2c1_platform_data = {
	.adapter_nr	= 0,
	.bus_count	= 1,
	.bus_clk_rate	= { 100000, 0 },
};

static struct tegra_i2c_platform_data enterprise_i2c2_platform_data = {
	.adapter_nr	= 1,
	.bus_count	= 1,
	.bus_clk_rate	= { 100000, 0 },
	.is_clkon_always = true,
};

static struct tegra_i2c_platform_data enterprise_i2c3_platform_data = {
	.adapter_nr	= 2,
	.bus_count	= 1,
	.bus_clk_rate	= { 100000, 0 },
};

static struct tegra_i2c_platform_data enterprise_i2c4_platform_data = {
	.adapter_nr	= 3,
	.bus_count	= 1,
	.bus_clk_rate	= { 100000, 0 },
};

static struct tegra_i2c_platform_data enterprise_i2c5_platform_data = {
	.adapter_nr	= 4,
	.bus_count	= 1,
	.bus_clk_rate	= { 100000, 0 },
};

static struct tegra_audio_platform_data tegra_i2s_pdata[] = {
	[0] = {
		.i2s_master	= true,
		.dma_on		= true,  /* use dma by default */
		.i2s_master_clk = 44100,
		.dev_clk_rate	= 11289600,
		.mode		= AUDIO_FRAME_FORMAT_I2S,
		.fifo_fmt	= AUDIO_FIFO_PACK_16,
		.bit_size	= AUDIO_BIT_SIZE_16,
		.i2s_bus_width	= 32,
		.dsp_bus_width	= 16,
	},
	[1] = {
		.i2s_master	= true,
		.dma_on		= true,  /* use dma by default */
		.i2s_master_clk = 8000,
		.dev_clk_rate	= 1024000,
		.mode		= AUDIO_FRAME_FORMAT_DSP,
		.fifo_fmt	= AUDIO_FIFO_NOP,
		.bit_size	= AUDIO_BIT_SIZE_16,
		.i2s_bus_width	= 32,
		.dsp_bus_width	= 16,
	},
	[2] = {
		.i2s_master	= true,
		.dma_on		= true,  /* use dma by default */
		.i2s_master_clk = 8000,
		.dev_clk_rate	= 1024000,
		.mode		= AUDIO_FRAME_FORMAT_DSP,
		.fifo_fmt	= AUDIO_FIFO_NOP,
		.bit_size	= AUDIO_BIT_SIZE_16,
		.i2s_bus_width	= 32,
		.dsp_bus_width	= 16,
	},
};

static struct tegra_audio_platform_data tegra_spdif_pdata = {
	.dma_on = true,  /* use dma by default */
	.dev_clk_rate = 5644800,
	.mode = SPDIF_BIT_MODE_MODE16BIT,
	.fifo_fmt = AUDIO_FIFO_PACK_16,
};

struct wired_jack_conf audio_wr_jack_conf = {
	.hp_det_n = TEGRA_GPIO_PW2,
	.en_mic_ext = TEGRA_GPIO_PX1,
	.en_mic_int = TEGRA_GPIO_PX0,
};

static void enterprise_audio_init(void)
{
#if defined(CONFIG_SND_HDA_TEGRA)
	platform_device_register(&tegra_hda_device);
#endif

	tegra_i2s_device1.dev.platform_data = &tegra_i2s_pdata[0];
	platform_device_register(&tegra_i2s_device1);

	tegra_i2s_device2.dev.platform_data = &tegra_i2s_pdata[1];
	platform_device_register(&tegra_i2s_device2);

	tegra_i2s_device3.dev.platform_data = &tegra_i2s_pdata[2];
	platform_device_register(&tegra_i2s_device3);

	tegra_spdif_device.dev.platform_data = &tegra_spdif_pdata;
	platform_device_register(&tegra_spdif_device);
}

static void enterprise_i2c_init(void)
{
	tegra_i2c_device1.dev.platform_data = &enterprise_i2c1_platform_data;
	tegra_i2c_device2.dev.platform_data = &enterprise_i2c2_platform_data;
	tegra_i2c_device3.dev.platform_data = &enterprise_i2c3_platform_data;
	tegra_i2c_device4.dev.platform_data = &enterprise_i2c4_platform_data;
	tegra_i2c_device5.dev.platform_data = &enterprise_i2c5_platform_data;

	// setting audio codec on i2c_4
	i2c_register_board_info(4, enterprise_i2c_bus1_board_info, 1);

	platform_device_register(&tegra_i2c_device5);
	platform_device_register(&tegra_i2c_device4);
	platform_device_register(&tegra_i2c_device3);
	platform_device_register(&tegra_i2c_device2);
	platform_device_register(&tegra_i2c_device1);
}

static struct resource tegra_rtc_resources[] = {
	[0] = {
		.start = TEGRA_RTC_BASE,
		.end = TEGRA_RTC_BASE + TEGRA_RTC_SIZE - 1,
		.flags = IORESOURCE_MEM,
	},
	[1] = {
		.start = INT_RTC,
		.end = INT_RTC,
		.flags = IORESOURCE_IRQ,
	},
};

static struct platform_device tegra_rtc_device = {
	.name = "tegra_rtc",
	.id   = -1,
	.resource = tegra_rtc_resources,
	.num_resources = ARRAY_SIZE(tegra_rtc_resources),
};

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

static struct platform_device *enterprise_devices[] __initdata = {
	&tegra_usb_fsg_device,
	&androidusb_device,
	&debug_uart,
	&tegra_uartb_device,
	&tegra_uartc_device,
	&tegra_uartd_device,
	&tegra_uarte_device,
	&pmu_device,
	&tegra_rtc_device,
	&tegra_udc_device,
#if defined(CONFIG_TEGRA_IOVMM_SMMU)
	&tegra_smmu_device,
#endif
	&tegra_wdt_device,
	&tegra_avp_device,
	&tegra_camera,
	&tegra_spi_device4,
};

static struct usb_phy_plat_data tegra_usb_phy_pdata[] = {
	[0] = {
			.instance = 0,
			.vbus_gpio = -1,
			.vbus_reg_supply = "vdd_vbus_micro_usb",
	},
	[1] = {
			.instance = 1,
			.vbus_gpio = -1,
	},
	[2] = {
			.instance = 2,
			.vbus_gpio = -1,
			.vbus_reg_supply = "vdd_vbus_typea_usb",
	},
};


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 = 1,
	},
	[1] = {
			.phy_config = &utmi_phy_config[1],
			.operating_mode = TEGRA_USB_HOST,
			.power_down_on_bus_suspend = 1,
	},
	[2] = {
			.phy_config = &utmi_phy_config[2],
			.operating_mode = TEGRA_USB_HOST,
			.power_down_on_bus_suspend = 1,
	},
};

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 struct tegra_otg_platform_data tegra_otg_pdata = {
	.host_register = &tegra_usb_otg_host_register,
	.host_unregister = &tegra_usb_otg_host_unregister,
};

static void enterprise_usb_init(void)
{
	tegra_usb_phy_init(tegra_usb_phy_pdata, ARRAY_SIZE(tegra_usb_phy_pdata));

	tegra_otg_device.dev.platform_data = &tegra_otg_pdata;
	platform_device_register(&tegra_otg_device);

	tegra_ehci2_device.dev.platform_data = &tegra_ehci_pdata[1];
	platform_device_register(&tegra_ehci2_device);


	tegra_ehci3_device.dev.platform_data = &tegra_ehci_pdata[2];
	platform_device_register(&tegra_ehci3_device);

}

static void enterprise_gps_init(void)
{
	tegra_gpio_enable(TEGRA_GPIO_PU2);
	tegra_gpio_enable(TEGRA_GPIO_PU3);
}

static void enterprise_modem_init(void)
{
	tegra_gpio_enable(TEGRA_GPIO_PH5);
}

static void __init tegra_enterprise_init(void)
{
	char serial[20];

	tegra_common_init();
	tegra_clk_init_from_table(enterprise_clk_init_table);
	enterprise_pinmux_init();
	enterprise_i2c_init();
	snprintf(serial, sizeof(serial), "%llx", tegra_chip_uid());
	andusb_plat.serial_number = kstrdup(serial, GFP_KERNEL);
	platform_add_devices(enterprise_devices, ARRAY_SIZE(enterprise_devices));
	enterprise_audio_init();
	enterprise_sdhci_init();
	enterprise_regulator_init();
	touch_init();
	enterprise_usb_init();
	enterprise_gps_init();
	enterprise_modem_init();
	enterprise_panel_init();
	enterprise_bt_rfkill();
	audio_wired_jack_init();
	enterprise_emc_init();
}

static void __init tegra_enterprise_reserve(void)
{
#if defined(CONFIG_NVMAP_CONVERT_CARVEOUT_TO_IOVMM)
	tegra_reserve(0, SZ_4M, SZ_8M);
#else
	tegra_reserve(SZ_128M, SZ_4M, SZ_8M);
#endif
}

MACHINE_START(TEGRA_ENTERPRISE, "tegra_enterprise")
	.boot_params    = 0x80000100,
	.phys_io        = IO_APB_PHYS,
	.io_pg_offst    = ((IO_APB_VIRT) >> 18) & 0xfffc,
	.init_irq       = tegra_init_irq,
	.init_machine   = tegra_enterprise_init,
	.map_io         = tegra_map_common_io,
	.reserve        = tegra_enterprise_reserve,
	.timer          = &tegra_timer,
MACHINE_END