arm: tegra: tegra_enterprise: Creating board files

Creating initial board files and config files for tegra_enterprise board.

Original-Change-Id: I77dcd612421167b9c6441d5d6fb779bb51491efa
Reviewed-on: http://git-master/r/20852
Reviewed-by: Niket Sirsi <nsirsi@nvidia.com>
Tested-by: Niket Sirsi <nsirsi@nvidia.com>
Change-Id: I498fe3cde454657c22fb1c1bc2212eb5e2f7fd6e

1 files changed, 515 insertions, 0 deletions

diff --git a/arch/arm/mach-tegra/board-enterprise-panel.c b/arch/arm/mach-tegra/board-enterprise-panel.c
new file mode 100644
index 000000000000..7d0e21301d90
--- /dev/null
+++ b/arch/arm/mach-tegra/board-enterprise-panel.c
@@ -0,0 +1,515 @@
+/*
+ * arch/arm/mach-tegra/board-enterprise-panel.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/delay.h>
+#include <linux/gpio.h>
+#include <linux/regulator/consumer.h>
+#include <linux/resource.h>
+#include <asm/mach-types.h>
+#include <linux/platform_device.h>
+#include <linux/earlysuspend.h>
+#include <linux/pwm_backlight.h>
+#include <asm/atomic.h>
+#include <mach/nvhost.h>
+#include <mach/nvmap.h>
+#include <mach/irqs.h>
+#include <mach/iomap.h>
+#include <mach/dc.h>
+#include <mach/fb.h>
+
+#include "board.h"
+#include "board-enterprise.h"
+#include "devices.h"
+#include "gpio-names.h"
+
+/* Select panel to be used. */
+#define AVDD_LCD PMU_TCA6416_GPIO_PORT17
+#define DSI_PANEL_RESET 0
+
+#define tegra_enterprise_lvds_shutdown	TEGRA_GPIO_PL2
+#define tegra_enterprise_bl_enb		TEGRA_GPIO_PH2
+#define tegra_enterprise_bl_pwm		TEGRA_GPIO_PH0
+#define tegra_enterprise_hdmi_hpd		TEGRA_GPIO_PN7
+
+#define tegra_enterprise_dsia_bl_enb	TEGRA_GPIO_PW1
+#define tegra_enterprise_dsi_panel_reset	TEGRA_GPIO_PW0
+
+static struct regulator *tegra_enterprise_hdmi_reg = NULL;
+static struct regulator *tegra_enterprise_hdmi_pll = NULL;
+static struct regulator *tegra_enterprise_hdmi_vddio = NULL;
+
+static atomic_t sd_brightness = ATOMIC_INIT(255);
+
+static int tegra_enterprise_backlight_init(struct device *dev)
+{
+	int ret;
+
+	/* Enable back light for DSIa panel */
+	printk("tegra_enterprise_dsi_backlight_init\n");
+
+	ret = gpio_request(tegra_enterprise_dsia_bl_enb, "dsia_bl_enable");
+	if (ret < 0)
+		return ret;
+
+	ret = gpio_direction_output(tegra_enterprise_dsia_bl_enb, 1);
+	if (ret < 0)
+		gpio_free(tegra_enterprise_dsia_bl_enb);
+	else
+		tegra_gpio_enable(tegra_enterprise_dsia_bl_enb);
+
+	return ret;
+}
+
+static void tegra_enterprise_backlight_exit(struct device *dev)
+{
+	/* Disable back light for DSIa panel */
+	gpio_set_value(tegra_enterprise_dsia_bl_enb, 0);
+	gpio_free(tegra_enterprise_dsia_bl_enb);
+	tegra_gpio_disable(tegra_enterprise_dsia_bl_enb);
+
+	gpio_set_value(TEGRA_GPIO_PL2, 1);
+	mdelay(20);
+}
+
+static int tegra_enterprise_backlight_notify(struct device *unused, int brightness)
+{
+	int cur_sd_brightness = atomic_read(&sd_brightness);
+	int orig_brightness = brightness;
+
+	/* DSIa */
+	gpio_set_value(tegra_enterprise_dsia_bl_enb, !!brightness);
+
+	/* SD brightness is a percentage, 8-bit value. */
+	brightness = (brightness * cur_sd_brightness) / 255;
+	if (cur_sd_brightness != 255) {
+		printk("NVSD BL - in: %d, sd: %d, out: %d\n",
+			orig_brightness, cur_sd_brightness, brightness);
+	}
+
+	return brightness;
+}
+
+static struct platform_pwm_backlight_data tegra_enterprise_backlight_data = {
+	.pwm_id		= 0,
+	.max_brightness	= 255,
+	.dft_brightness	= 224,
+	.pwm_period_ns	= 5000000,
+	.init		= tegra_enterprise_backlight_init,
+	.exit		= tegra_enterprise_backlight_exit,
+	.notify		= tegra_enterprise_backlight_notify,
+};
+
+static struct platform_device tegra_enterprise_backlight_device = {
+	.name	= "pwm-backlight",
+	.id	= -1,
+	.dev	= {
+		.platform_data = &tegra_enterprise_backlight_data,
+	},
+};
+
+static int tegra_enterprise_hdmi_enable(void)
+{
+	int ret;
+	if (!tegra_enterprise_hdmi_reg) {
+		tegra_enterprise_hdmi_reg = regulator_get(NULL, "avdd_hdmi");
+		if (IS_ERR_OR_NULL(tegra_enterprise_hdmi_reg)) {
+			pr_err("hdmi: couldn't get regulator avdd_hdmi\n");
+			tegra_enterprise_hdmi_reg = NULL;
+			return PTR_ERR(tegra_enterprise_hdmi_reg);
+		}
+	}
+	ret = regulator_enable(tegra_enterprise_hdmi_reg);
+	if (ret < 0) {
+		pr_err("hdmi: couldn't enable regulator avdd_hdmi\n");
+		return ret;
+	}
+	if (!tegra_enterprise_hdmi_pll) {
+		tegra_enterprise_hdmi_pll = regulator_get(NULL, "avdd_hdmi_pll");
+		if (IS_ERR_OR_NULL(tegra_enterprise_hdmi_pll)) {
+			pr_err("hdmi: couldn't get regulator avdd_hdmi_pll\n");
+			tegra_enterprise_hdmi_pll = NULL;
+			regulator_put(tegra_enterprise_hdmi_reg);
+			tegra_enterprise_hdmi_reg = NULL;
+			return PTR_ERR(tegra_enterprise_hdmi_pll);
+		}
+	}
+	ret = regulator_enable(tegra_enterprise_hdmi_pll);
+	if (ret < 0) {
+		pr_err("hdmi: couldn't enable regulator avdd_hdmi_pll\n");
+		return ret;
+	}
+	if (!tegra_enterprise_hdmi_vddio) {
+		tegra_enterprise_hdmi_vddio = regulator_get(NULL, "vdd_hdmi_con");
+		if (IS_ERR_OR_NULL(tegra_enterprise_hdmi_vddio)) {
+			pr_err("hdmi: couldn't get regulator vdd_hdmi_con\n");
+			tegra_enterprise_hdmi_vddio = NULL;
+			regulator_put(tegra_enterprise_hdmi_pll);
+			tegra_enterprise_hdmi_pll = NULL;
+			regulator_put(tegra_enterprise_hdmi_reg);
+			tegra_enterprise_hdmi_reg = NULL;
+
+			return PTR_ERR(tegra_enterprise_hdmi_vddio);
+		}
+	}
+	ret = regulator_enable(tegra_enterprise_hdmi_vddio);
+	if (ret < 0) {
+		pr_err("hdmi: couldn't enable regulator vdd_hdmi_con\n");
+		return ret;
+	}
+	return 0;
+}
+
+static int tegra_enterprise_hdmi_disable(void)
+{
+
+	regulator_disable(tegra_enterprise_hdmi_reg);
+	regulator_put(tegra_enterprise_hdmi_reg);
+	tegra_enterprise_hdmi_reg = NULL;
+
+	regulator_disable(tegra_enterprise_hdmi_pll);
+	regulator_put(tegra_enterprise_hdmi_pll);
+	tegra_enterprise_hdmi_pll = NULL;
+
+	regulator_disable(tegra_enterprise_hdmi_vddio);
+	regulator_put(tegra_enterprise_hdmi_vddio);
+	tegra_enterprise_hdmi_vddio = NULL;
+	return 0;
+}
+static struct resource tegra_enterprise_disp1_resources[] = {
+	{
+		.name	= "irq",
+		.start	= INT_DISPLAY_GENERAL,
+		.end	= INT_DISPLAY_GENERAL,
+		.flags	= IORESOURCE_IRQ,
+	},
+	{
+		.name	= "regs",
+		.start	= TEGRA_DISPLAY_BASE,
+		.end	= TEGRA_DISPLAY_BASE + TEGRA_DISPLAY_SIZE-1,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.name	= "fbmem",
+		.start	= 0,	/* Filled in by tegra_enterprise_panel_init() */
+		.end	= 0,	/* Filled in by tegra_enterprise_panel_init() */
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.name	= "dsi_regs",
+		.start	= TEGRA_DSI_BASE,
+		.end	= TEGRA_DSI_BASE + TEGRA_DSI_SIZE - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct resource tegra_enterprise_disp2_resources[] = {
+	{
+		.name	= "irq",
+		.start	= INT_DISPLAY_B_GENERAL,
+		.end	= INT_DISPLAY_B_GENERAL,
+		.flags	= IORESOURCE_IRQ,
+	},
+	{
+		.name	= "regs",
+		.start	= TEGRA_DISPLAY2_BASE,
+		.end	= TEGRA_DISPLAY2_BASE + TEGRA_DISPLAY2_SIZE - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.name	= "fbmem",
+		.flags	= IORESOURCE_MEM,
+		.start	= 0,
+		.end	= 0,
+	},
+	{
+		.name	= "hdmi_regs",
+		.start	= TEGRA_HDMI_BASE,
+		.end	= TEGRA_HDMI_BASE + TEGRA_HDMI_SIZE - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct tegra_dc_sd_settings tegra_enterprise_sd_settings = {
+	.enable = 1, /* Normal mode operation */
+	.use_auto_pwm = false,
+	.hw_update_delay = 0,
+	.bin_width = 0,
+	.aggressiveness = 5,
+	.use_vid_luma = true,
+	/* Default video coefficients */
+	.coeff = {5, 9, 2},
+	.fc = {0, 0},
+	/* Immediate backlight changes */
+	.blp = {1024, 255},
+	/* Default BL TF */
+	.bltf = {
+			{128, 136, 144, 152},
+			{160, 168, 176, 184},
+			{192, 200, 208, 216},
+			{224, 232, 240, 248}
+		},
+	/* Default LUT */
+	.lut = {
+			{255, 255, 255},
+			{199, 199, 199},
+			{153, 153, 153},
+			{116, 116, 116},
+			{85, 85, 85},
+			{59, 59, 59},
+			{36, 36, 36},
+			{17, 17, 17},
+			{0, 0, 0}
+		},
+	.sd_brightness = &sd_brightness,
+	.bl_device = &tegra_enterprise_backlight_device,
+};
+
+static struct tegra_fb_data tegra_enterprise_hdmi_fb_data = {
+	.win		= 0,
+	.xres		= 1366,
+	.yres		= 768,
+	.bits_per_pixel	= 16,
+};
+
+static struct tegra_dc_out tegra_enterprise_disp2_out = {
+	.type		= TEGRA_DC_OUT_HDMI,
+	.flags		= TEGRA_DC_OUT_HOTPLUG_HIGH,
+
+	.dcc_bus	= 3,
+	.hotplug_gpio	= tegra_enterprise_hdmi_hpd,
+
+	.align		= TEGRA_DC_ALIGN_MSB,
+	.order		= TEGRA_DC_ORDER_RED_BLUE,
+
+	.enable		= tegra_enterprise_hdmi_enable,
+	.disable	= tegra_enterprise_hdmi_disable,
+};
+
+static struct tegra_dc_platform_data tegra_enterprise_disp2_pdata = {
+	.flags		= 0,
+	.default_out	= &tegra_enterprise_disp2_out,
+	.fb		= &tegra_enterprise_hdmi_fb_data,
+	.emc_clk_rate	= 300000000,
+};
+
+static int tegra_enterprise_dsi_panel_enable(void)
+{
+	static struct regulator *reg = NULL;
+
+	if (reg == NULL) {
+		reg = regulator_get(NULL, "avdd_dsi_csi");
+		if (IS_ERR_OR_NULL(reg)) {
+		pr_err("dsi: Could not get regulator avdd_dsi_csi\n");
+			reg = NULL;
+			return PTR_ERR(reg);
+		}
+	}
+	regulator_enable(reg);
+
+	return 0;
+}
+
+static int tegra_enterprise_dsi_panel_disable(void)
+{
+	return 0;
+}
+
+static struct tegra_dsi_cmd dsi_init_cmd[]= {
+	DSI_CMD_SHORT(0x05, 0x11, 0x00),
+	DSI_DLY_MS(150),
+	DSI_CMD_SHORT(0x05, 0x29, 0x00),
+	DSI_DLY_MS(20),
+};
+
+struct tegra_dsi_out tegra_enterprise_dsi = {
+	.n_data_lanes = 2,
+	.pixel_format = TEGRA_DSI_PIXEL_FORMAT_24BIT_P,
+	.refresh_rate = 60,
+	.virtual_channel = TEGRA_DSI_VIRTUAL_CHANNEL_0,
+
+	.panel_has_frame_buffer = true,
+	.dsi_instance = 0,
+	.n_init_cmd = ARRAY_SIZE(dsi_init_cmd),
+	.dsi_init_cmd = dsi_init_cmd,
+
+	.video_data_type = TEGRA_DSI_VIDEO_TYPE_COMMAND_MODE,
+};
+
+static struct tegra_dc_mode tegra_enterprise_dsi_modes[] = {
+	{
+		.pclk = 10000000,
+		.h_ref_to_sync = 4,
+		.v_ref_to_sync = 1,
+		.h_sync_width = 16,
+		.v_sync_width = 1,
+		.h_back_porch = 32,
+		.v_back_porch = 1,
+		.h_active = 540,
+		.v_active = 960,
+		.h_front_porch = 32,
+		.v_front_porch = 2,
+	},
+};
+
+
+static struct tegra_fb_data tegra_enterprise_dsi_fb_data = {
+	.win		= 0,
+	.xres		= 540,
+	.yres		= 960,
+	.bits_per_pixel	= 32,
+};
+
+
+static struct tegra_dc_out tegra_enterprise_disp1_out = {
+	.align		= TEGRA_DC_ALIGN_MSB,
+	.order		= TEGRA_DC_ORDER_RED_BLUE,
+	.sd_settings	= &tegra_enterprise_sd_settings,
+
+	.type		= TEGRA_DC_OUT_DSI,
+
+	.modes	 	= tegra_enterprise_dsi_modes,
+	.n_modes 	= ARRAY_SIZE(tegra_enterprise_dsi_modes),
+
+	.dsi		= &tegra_enterprise_dsi,
+
+	.enable		= tegra_enterprise_dsi_panel_enable,
+	.disable	= tegra_enterprise_dsi_panel_disable,
+};
+static struct tegra_dc_platform_data tegra_enterprise_disp1_pdata = {
+	.flags		= TEGRA_DC_FLAG_ENABLED,
+	.default_out	= &tegra_enterprise_disp1_out,
+	.emc_clk_rate	= 300000000,
+	.fb		= &tegra_enterprise_dsi_fb_data,
+};
+static struct nvhost_device tegra_enterprise_disp1_device = {
+	.name		= "tegradc",
+	.id		= 0,
+	.resource	= tegra_enterprise_disp1_resources,
+	.num_resources	= ARRAY_SIZE(tegra_enterprise_disp1_resources),
+	.dev = {
+		.platform_data = &tegra_enterprise_disp1_pdata,
+	},
+};
+
+static struct nvhost_device tegra_enterprise_disp2_device = {
+	.name		= "tegradc",
+	.id		= 1,
+	.resource	= tegra_enterprise_disp2_resources,
+	.num_resources	= ARRAY_SIZE(tegra_enterprise_disp2_resources),
+	.dev = {
+		.platform_data = &tegra_enterprise_disp2_pdata,
+	},
+};
+
+static struct nvmap_platform_carveout tegra_enterprise_carveouts[] = {
+	[0] = {
+		.name		= "iram",
+		.usage_mask	= NVMAP_HEAP_CARVEOUT_IRAM,
+		.base		= TEGRA_IRAM_BASE + TEGRA_RESET_HANDLER_SIZE,
+		.size		= TEGRA_IRAM_SIZE - TEGRA_RESET_HANDLER_SIZE,
+		.buddy_size	= 0, /* no buddy allocation for IRAM */
+	},
+	[1] = {
+		.name		= "generic-0",
+		.usage_mask	= NVMAP_HEAP_CARVEOUT_GENERIC,
+		.base		= 0,	/* Filled in by tegra_enterprise_panel_init() */
+		.size		= 0,	/* Filled in by tegra_enterprise_panel_init() */
+		.buddy_size	= SZ_32K,
+	},
+};
+
+static struct nvmap_platform_data tegra_enterprise_nvmap_data = {
+	.carveouts	= tegra_enterprise_carveouts,
+	.nr_carveouts	= ARRAY_SIZE(tegra_enterprise_carveouts),
+};
+
+static struct platform_device tegra_enterprise_nvmap_device = {
+	.name	= "tegra-nvmap",
+	.id	= -1,
+	.dev	= {
+		.platform_data = &tegra_enterprise_nvmap_data,
+	},
+};
+
+static struct platform_device *tegra_enterprise_gfx_devices[] __initdata = {
+	&tegra_enterprise_nvmap_device,
+	&tegra_grhost_device,
+	&tegra_pwfm0_device,
+	&tegra_enterprise_backlight_device,
+};
+
+
+#ifdef CONFIG_HAS_EARLYSUSPEND
+/* put early_suspend/late_resume handlers here for the display in order
+ * to keep the code out of the display driver, keeping it closer to upstream
+ */
+struct early_suspend tegra_enterprise_panel_early_suspender;
+
+static void tegra_enterprise_panel_early_suspend(struct early_suspend *h)
+{
+	if (num_registered_fb > 0)
+		fb_blank(registered_fb[0], FB_BLANK_POWERDOWN);
+}
+
+static void tegra_enterprise_panel_late_resume(struct early_suspend *h)
+{
+	if (num_registered_fb > 0)
+		fb_blank(registered_fb[0], FB_BLANK_UNBLANK);
+}
+#endif
+
+int __init tegra_enterprise_panel_init(void)
+{
+	int err;
+	struct resource *res;
+
+	tegra_enterprise_carveouts[1].base = tegra_carveout_start;
+	tegra_enterprise_carveouts[1].size = tegra_carveout_size;
+
+	tegra_gpio_enable(tegra_enterprise_hdmi_hpd);
+	gpio_request(tegra_enterprise_hdmi_hpd, "hdmi_hpd");
+	gpio_direction_input(tegra_enterprise_hdmi_hpd);
+
+#ifdef CONFIG_HAS_EARLYSUSPEND
+	tegra_enterprise_panel_early_suspender.suspend = tegra_enterprise_panel_early_suspend;
+	tegra_enterprise_panel_early_suspender.resume = tegra_enterprise_panel_late_resume;
+	tegra_enterprise_panel_early_suspender.level = EARLY_SUSPEND_LEVEL_DISABLE_FB;
+	register_early_suspend(&tegra_enterprise_panel_early_suspender);
+#endif
+
+	err = platform_add_devices(tegra_enterprise_gfx_devices,
+				ARRAY_SIZE(tegra_enterprise_gfx_devices));
+
+	res = nvhost_get_resource_byname(&tegra_enterprise_disp1_device,
+					 IORESOURCE_MEM, "fbmem");
+	res->start = tegra_fb_start;
+	res->end = tegra_fb_start + tegra_fb_size - 1;
+
+	if (!err)
+		err = nvhost_device_register(&tegra_enterprise_disp1_device);
+
+	res = nvhost_get_resource_byname(&tegra_enterprise_disp2_device,
+					 IORESOURCE_MEM, "fbmem");
+	res->start = tegra_fb2_start;
+	res->end = tegra_fb2_start + tegra_fb2_size - 1;
+	if (!err)
+		err = nvhost_device_register(&tegra_enterprise_disp2_device);
+	return err;
+}