Merge commit 'AU_LINUX_ANDROID_ICS.04.00.04.00.126' into msm-3.4

AU_LINUX_ANDROID_ICS.04.00.04.00.126 from msm-3.0.
First parent is from google/android-3.4.

* commit 'AU_LINUX_ANDROID_ICS.04.00.04.00.126': (8712 commits)
  PRNG: Device tree entry for qrng device.
  vidc:1080p: Set video core timeout value for Thumbnail mode
  msm: sps: improve the debugging support in SPS driver
  board-8064 msm: Overlap secure and non secure video firmware heaps.
  msm: clock: Add handoff ops for 7x30 and copper XO clocks
  msm_fb: display: Wait for external vsync before DTV IOMMU unmap
  msm: Fix ciruclar dependency in debug UART settings
  msm: gdsc: Add GDSC regulator driver for msm-copper
  defconfig: Enable Mobicore Driver.
  mobicore: Add mobicore driver.
  mobicore: rename variable to lower case.
  mobicore: rename folder.
  mobicore: add makefiles
  mobicore: initial import of kernel driver
  ASoC: msm: Add SLIMBUS_2_RX CPU DAI
  board-8064-gpio: Update FUNC for EPM SPI CS
  msm_fb: display: Remove chicken bit config during video playback
  mmc: msm_sdcc: enable the sanitize capability
  msm-fb: display: lm2 writeback support on mpq platfroms
  msm_fb: display: Disable LVDS phy & pll during panel off
  ...

Signed-off-by: Steve Muckle <smuckle@codeaurora.org>
diff --git a/arch/arm/mach-msm/board-8930-display.c b/arch/arm/mach-msm/board-8930-display.c
new file mode 100644
index 0000000..e18e40d
--- /dev/null
+++ b/arch/arm/mach-msm/board-8930-display.c
@@ -0,0 +1,791 @@
+/* Copyright (c) 2011-2012, Code Aurora Forum. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * 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.
+ *
+ */
+
+#include <linux/init.h>
+#include <linux/ioport.h>
+#include <linux/platform_device.h>
+#include <linux/bootmem.h>
+#include <linux/gpio.h>
+#include <asm/mach-types.h>
+#include <mach/msm_bus_board.h>
+#include <mach/msm_memtypes.h>
+#include <mach/board.h>
+#include <mach/gpiomux.h>
+#include <mach/socinfo.h>
+#include <linux/ion.h>
+#include <mach/ion.h>
+
+#include "devices.h"
+#include "board-8930.h"
+
+#ifdef CONFIG_FB_MSM_TRIPLE_BUFFER
+#define MSM_FB_PRIM_BUF_SIZE \
+		(roundup((1920 * 1088 * 4), 4096) * 3) /* 4 bpp x 3 pages */
+#else
+#define MSM_FB_PRIM_BUF_SIZE \
+		(roundup((1920 * 1088 * 4), 4096) * 2) /* 4 bpp x 2 pages */
+#endif
+/* Note: must be multiple of 4096 */
+#define MSM_FB_SIZE roundup(MSM_FB_PRIM_BUF_SIZE, 4096)
+
+#ifdef CONFIG_FB_MSM_OVERLAY0_WRITEBACK
+#define MSM_FB_OVERLAY0_WRITEBACK_SIZE roundup((1376 * 768 * 3 * 2), 4096)
+#else
+#define MSM_FB_OVERLAY0_WRITEBACK_SIZE (0)
+#endif  /* CONFIG_FB_MSM_OVERLAY0_WRITEBACK */
+
+#ifdef CONFIG_FB_MSM_OVERLAY1_WRITEBACK
+#define MSM_FB_OVERLAY1_WRITEBACK_SIZE roundup((1920 * 1088 * 3 * 2), 4096)
+#else
+#define MSM_FB_OVERLAY1_WRITEBACK_SIZE (0)
+#endif  /* CONFIG_FB_MSM_OVERLAY1_WRITEBACK */
+
+#define MDP_VSYNC_GPIO 0
+
+#define MIPI_CMD_NOVATEK_QHD_PANEL_NAME	"mipi_cmd_novatek_qhd"
+#define MIPI_VIDEO_NOVATEK_QHD_PANEL_NAME	"mipi_video_novatek_qhd"
+#define MIPI_VIDEO_TOSHIBA_WSVGA_PANEL_NAME	"mipi_video_toshiba_wsvga"
+#define MIPI_VIDEO_CHIMEI_WXGA_PANEL_NAME	"mipi_video_chimei_wxga"
+#define MIPI_VIDEO_SIMULATOR_VGA_PANEL_NAME	"mipi_video_simulator_vga"
+#define MIPI_CMD_RENESAS_FWVGA_PANEL_NAME	"mipi_cmd_renesas_fwvga"
+#define HDMI_PANEL_NAME	"hdmi_msm"
+#define TVOUT_PANEL_NAME	"tvout_msm"
+
+static struct resource msm_fb_resources[] = {
+	{
+		.flags = IORESOURCE_DMA,
+	}
+};
+
+static int msm_fb_detect_panel(const char *name)
+{
+	if (!strncmp(name, MIPI_CMD_NOVATEK_QHD_PANEL_NAME,
+			strnlen(MIPI_CMD_NOVATEK_QHD_PANEL_NAME,
+				PANEL_NAME_MAX_LEN)))
+		return 0;
+
+#if !defined(CONFIG_FB_MSM_LVDS_MIPI_PANEL_DETECT) && \
+	!defined(CONFIG_FB_MSM_MIPI_PANEL_DETECT)
+	if (!strncmp(name, MIPI_VIDEO_NOVATEK_QHD_PANEL_NAME,
+			strnlen(MIPI_VIDEO_NOVATEK_QHD_PANEL_NAME,
+				PANEL_NAME_MAX_LEN)))
+		return 0;
+
+	if (!strncmp(name, MIPI_VIDEO_TOSHIBA_WSVGA_PANEL_NAME,
+			strnlen(MIPI_VIDEO_TOSHIBA_WSVGA_PANEL_NAME,
+				PANEL_NAME_MAX_LEN)))
+		return 0;
+
+	if (!strncmp(name, MIPI_VIDEO_SIMULATOR_VGA_PANEL_NAME,
+			strnlen(MIPI_VIDEO_SIMULATOR_VGA_PANEL_NAME,
+				PANEL_NAME_MAX_LEN)))
+		return 0;
+
+	if (!strncmp(name, MIPI_CMD_RENESAS_FWVGA_PANEL_NAME,
+			strnlen(MIPI_CMD_RENESAS_FWVGA_PANEL_NAME,
+				PANEL_NAME_MAX_LEN)))
+		return 0;
+#endif
+
+	if (!strncmp(name, HDMI_PANEL_NAME,
+			strnlen(HDMI_PANEL_NAME,
+				PANEL_NAME_MAX_LEN)))
+		return 0;
+
+	if (!strncmp(name, TVOUT_PANEL_NAME,
+			strnlen(TVOUT_PANEL_NAME,
+				PANEL_NAME_MAX_LEN)))
+		return 0;
+
+	pr_warning("%s: not supported '%s'", __func__, name);
+	return -ENODEV;
+}
+
+static struct msm_fb_platform_data msm_fb_pdata = {
+	.detect_client = msm_fb_detect_panel,
+};
+
+static struct platform_device msm_fb_device = {
+	.name   = "msm_fb",
+	.id     = 0,
+	.num_resources     = ARRAY_SIZE(msm_fb_resources),
+	.resource          = msm_fb_resources,
+	.dev.platform_data = &msm_fb_pdata,
+};
+
+static bool dsi_power_on;
+
+/*
+ * TODO: When physical 8930/PM8038 hardware becomes
+ * available, replace mipi_dsi_cdp_panel_power with
+ * appropriate function.
+ */
+#define DISP_RST_GPIO 58
+static int mipi_dsi_cdp_panel_power(int on)
+{
+	static struct regulator *reg_l8, *reg_l23, *reg_l2;
+	int rc;
+
+	pr_debug("%s: state : %d\n", __func__, on);
+
+	if (!dsi_power_on) {
+
+		reg_l8 = regulator_get(&msm_mipi_dsi1_device.dev,
+				"dsi_vdc");
+		if (IS_ERR(reg_l8)) {
+			pr_err("could not get 8038_l8, rc = %ld\n",
+				PTR_ERR(reg_l8));
+			return -ENODEV;
+		}
+		reg_l23 = regulator_get(&msm_mipi_dsi1_device.dev,
+				"dsi_vddio");
+		if (IS_ERR(reg_l23)) {
+			pr_err("could not get 8038_l23, rc = %ld\n",
+				PTR_ERR(reg_l23));
+			return -ENODEV;
+		}
+		reg_l2 = regulator_get(&msm_mipi_dsi1_device.dev,
+				"dsi_vdda");
+		if (IS_ERR(reg_l2)) {
+			pr_err("could not get 8038_l2, rc = %ld\n",
+				PTR_ERR(reg_l2));
+			return -ENODEV;
+		}
+		rc = regulator_set_voltage(reg_l8, 2800000, 3000000);
+		if (rc) {
+			pr_err("set_voltage l8 failed, rc=%d\n", rc);
+			return -EINVAL;
+		}
+		rc = regulator_set_voltage(reg_l23, 1800000, 1800000);
+		if (rc) {
+			pr_err("set_voltage l23 failed, rc=%d\n", rc);
+			return -EINVAL;
+		}
+		rc = regulator_set_voltage(reg_l2, 1200000, 1200000);
+		if (rc) {
+			pr_err("set_voltage l2 failed, rc=%d\n", rc);
+			return -EINVAL;
+		}
+		rc = gpio_request(DISP_RST_GPIO, "disp_rst_n");
+		if (rc) {
+			pr_err("request gpio DISP_RST_GPIO failed, rc=%d\n",
+				rc);
+			gpio_free(DISP_RST_GPIO);
+			return -ENODEV;
+		}
+		dsi_power_on = true;
+	}
+	if (on) {
+		rc = regulator_set_optimum_mode(reg_l8, 100000);
+		if (rc < 0) {
+			pr_err("set_optimum_mode l8 failed, rc=%d\n", rc);
+			return -EINVAL;
+		}
+		rc = regulator_set_optimum_mode(reg_l23, 100000);
+		if (rc < 0) {
+			pr_err("set_optimum_mode l23 failed, rc=%d\n", rc);
+			return -EINVAL;
+		}
+		rc = regulator_set_optimum_mode(reg_l2, 100000);
+		if (rc < 0) {
+			pr_err("set_optimum_mode l2 failed, rc=%d\n", rc);
+			return -EINVAL;
+		}
+		rc = regulator_enable(reg_l8);
+		if (rc) {
+			pr_err("enable l8 failed, rc=%d\n", rc);
+			return -ENODEV;
+		}
+		rc = regulator_enable(reg_l23);
+		if (rc) {
+			pr_err("enable l8 failed, rc=%d\n", rc);
+			return -ENODEV;
+		}
+		rc = regulator_enable(reg_l2);
+		if (rc) {
+			pr_err("enable l2 failed, rc=%d\n", rc);
+			return -ENODEV;
+		}
+		usleep(10000);
+		gpio_set_value(DISP_RST_GPIO, 1);
+		usleep(10);
+		gpio_set_value(DISP_RST_GPIO, 0);
+		usleep(20);
+		gpio_set_value(DISP_RST_GPIO, 1);
+	} else {
+
+		gpio_set_value(DISP_RST_GPIO, 0);
+
+		rc = regulator_disable(reg_l2);
+		if (rc) {
+			pr_err("disable reg_l2 failed, rc=%d\n", rc);
+			return -ENODEV;
+		}
+		rc = regulator_disable(reg_l8);
+		if (rc) {
+			pr_err("disable reg_l8 failed, rc=%d\n", rc);
+			return -ENODEV;
+		}
+		rc = regulator_disable(reg_l23);
+		if (rc) {
+			pr_err("disable reg_l23 failed, rc=%d\n", rc);
+			return -ENODEV;
+		}
+		rc = regulator_set_optimum_mode(reg_l8, 100);
+		if (rc < 0) {
+			pr_err("set_optimum_mode l8 failed, rc=%d\n", rc);
+			return -EINVAL;
+		}
+		rc = regulator_set_optimum_mode(reg_l23, 100);
+		if (rc < 0) {
+			pr_err("set_optimum_mode l23 failed, rc=%d\n", rc);
+			return -EINVAL;
+		}
+		rc = regulator_set_optimum_mode(reg_l2, 100);
+		if (rc < 0) {
+			pr_err("set_optimum_mode l2 failed, rc=%d\n", rc);
+			return -EINVAL;
+		}
+	}
+	return 0;
+}
+
+static int mipi_dsi_panel_power(int on)
+{
+	pr_debug("%s: on=%d\n", __func__, on);
+
+	return mipi_dsi_cdp_panel_power(on);
+}
+
+static struct mipi_dsi_platform_data mipi_dsi_pdata = {
+	.vsync_gpio = MDP_VSYNC_GPIO,
+	.dsi_power_save = mipi_dsi_panel_power,
+};
+
+#ifdef CONFIG_MSM_BUS_SCALING
+
+static struct msm_bus_vectors mdp_init_vectors[] = {
+	{
+		.src = MSM_BUS_MASTER_MDP_PORT0,
+		.dst = MSM_BUS_SLAVE_EBI_CH0,
+		.ab = 0,
+		.ib = 0,
+	},
+};
+
+#ifdef CONFIG_FB_MSM_HDMI_AS_PRIMARY
+static struct msm_bus_vectors hdmi_as_primary_vectors[] = {
+	/* If HDMI is used as primary */
+	{
+		.src = MSM_BUS_MASTER_MDP_PORT0,
+		.dst = MSM_BUS_SLAVE_EBI_CH0,
+		.ab = 2000000000,
+		.ib = 2000000000,
+	},
+};
+static struct msm_bus_paths mdp_bus_scale_usecases[] = {
+	{
+		ARRAY_SIZE(mdp_init_vectors),
+		mdp_init_vectors,
+	},
+	{
+		ARRAY_SIZE(hdmi_as_primary_vectors),
+		hdmi_as_primary_vectors,
+	},
+	{
+		ARRAY_SIZE(hdmi_as_primary_vectors),
+		hdmi_as_primary_vectors,
+	},
+	{
+		ARRAY_SIZE(hdmi_as_primary_vectors),
+		hdmi_as_primary_vectors,
+	},
+	{
+		ARRAY_SIZE(hdmi_as_primary_vectors),
+		hdmi_as_primary_vectors,
+	},
+	{
+		ARRAY_SIZE(hdmi_as_primary_vectors),
+		hdmi_as_primary_vectors,
+	},
+};
+#else
+static struct msm_bus_vectors mdp_ui_vectors[] = {
+	{
+		.src = MSM_BUS_MASTER_MDP_PORT0,
+		.dst = MSM_BUS_SLAVE_EBI_CH0,
+		.ab = 216000000 * 2,
+		.ib = 270000000 * 2,
+	},
+};
+
+static struct msm_bus_vectors mdp_vga_vectors[] = {
+	/* VGA and less video */
+	{
+		.src = MSM_BUS_MASTER_MDP_PORT0,
+		.dst = MSM_BUS_SLAVE_EBI_CH0,
+		.ab = 216000000 * 2,
+		.ib = 270000000 * 2,
+	},
+};
+
+static struct msm_bus_vectors mdp_720p_vectors[] = {
+	/* 720p and less video */
+	{
+		.src = MSM_BUS_MASTER_MDP_PORT0,
+		.dst = MSM_BUS_SLAVE_EBI_CH0,
+		.ab = 230400000 * 2,
+		.ib = 288000000 * 2,
+	},
+};
+
+static struct msm_bus_vectors mdp_1080p_vectors[] = {
+	/* 1080p and less video */
+	{
+		.src = MSM_BUS_MASTER_MDP_PORT0,
+		.dst = MSM_BUS_SLAVE_EBI_CH0,
+		.ab = 334080000 * 2,
+		.ib = 417600000 * 2,
+	},
+};
+
+static struct msm_bus_paths mdp_bus_scale_usecases[] = {
+	{
+		ARRAY_SIZE(mdp_init_vectors),
+		mdp_init_vectors,
+	},
+	{
+		ARRAY_SIZE(mdp_ui_vectors),
+		mdp_ui_vectors,
+	},
+	{
+		ARRAY_SIZE(mdp_ui_vectors),
+		mdp_ui_vectors,
+	},
+	{
+		ARRAY_SIZE(mdp_vga_vectors),
+		mdp_vga_vectors,
+	},
+	{
+		ARRAY_SIZE(mdp_720p_vectors),
+		mdp_720p_vectors,
+	},
+	{
+		ARRAY_SIZE(mdp_1080p_vectors),
+		mdp_1080p_vectors,
+	},
+};
+#endif
+
+static struct msm_bus_scale_pdata mdp_bus_scale_pdata = {
+	mdp_bus_scale_usecases,
+	ARRAY_SIZE(mdp_bus_scale_usecases),
+	.name = "mdp",
+};
+
+#endif
+
+#ifdef CONFIG_FB_MSM_HDMI_AS_PRIMARY
+static int mdp_core_clk_rate_table[] = {
+	200000000,
+	200000000,
+	200000000,
+	200000000,
+};
+#else
+static int mdp_core_clk_rate_table[] = {
+	85330000,
+	128000000,
+	160000000,
+	200000000,
+};
+#endif
+
+static struct msm_panel_common_pdata mdp_pdata = {
+	.gpio = MDP_VSYNC_GPIO,
+#ifdef CONFIG_FB_MSM_HDMI_AS_PRIMARY
+	.mdp_core_clk_rate = 200000000,
+#else
+	.mdp_core_clk_rate = 85330000,
+#endif
+	.mdp_core_clk_table = mdp_core_clk_rate_table,
+	.num_mdp_clk = ARRAY_SIZE(mdp_core_clk_rate_table),
+#ifdef CONFIG_MSM_BUS_SCALING
+	.mdp_bus_scale_table = &mdp_bus_scale_pdata,
+#endif
+	.mdp_rev = MDP_REV_42,
+#ifdef CONFIG_MSM_MULTIMEDIA_USE_ION
+	.mem_hid = BIT(ION_CP_MM_HEAP_ID),
+#else
+	.mem_hid = MEMTYPE_EBI1,
+#endif
+};
+
+void __init msm8930_mdp_writeback(struct memtype_reserve* reserve_table)
+{
+	mdp_pdata.ov0_wb_size = MSM_FB_OVERLAY0_WRITEBACK_SIZE;
+	mdp_pdata.ov1_wb_size = MSM_FB_OVERLAY1_WRITEBACK_SIZE;
+#if defined(CONFIG_ANDROID_PMEM) && !defined(CONFIG_MSM_MULTIMEDIA_USE_ION)
+	reserve_table[mdp_pdata.mem_hid].size +=
+		mdp_pdata.ov0_wb_size;
+	reserve_table[mdp_pdata.mem_hid].size +=
+		mdp_pdata.ov1_wb_size;
+#endif
+}
+
+#define LPM_CHANNEL0 0
+static int toshiba_gpio[] = {LPM_CHANNEL0};
+
+static struct mipi_dsi_panel_platform_data toshiba_pdata = {
+	.gpio = toshiba_gpio,
+};
+
+static struct platform_device mipi_dsi_toshiba_panel_device = {
+	.name = "mipi_toshiba",
+	.id = 0,
+	.dev = {
+		.platform_data = &toshiba_pdata,
+	}
+};
+
+#define FPGA_3D_GPIO_CONFIG_ADDR	0xB5
+
+static struct mipi_dsi_phy_ctrl dsi_novatek_cmd_mode_phy_db = {
+
+/* DSI_BIT_CLK at 500MHz, 2 lane, RGB888 */
+	{0x0F, 0x0a, 0x04, 0x00, 0x20},	/* regulator */
+	/* timing   */
+	{0xab, 0x8a, 0x18, 0x00, 0x92, 0x97, 0x1b, 0x8c,
+	0x0c, 0x03, 0x04, 0xa0},
+	{0x5f, 0x00, 0x00, 0x10},	/* phy ctrl */
+	{0xff, 0x00, 0x06, 0x00},	/* strength */
+	/* pll control */
+	{0x40, 0xf9, 0x30, 0xda, 0x00, 0x40, 0x03, 0x62,
+	0x40, 0x07, 0x03,
+	0x00, 0x1a, 0x00, 0x00, 0x02, 0x00, 0x20, 0x00, 0x01},
+};
+
+static struct mipi_dsi_panel_platform_data novatek_pdata = {
+	.fpga_3d_config_addr  = FPGA_3D_GPIO_CONFIG_ADDR,
+	.fpga_ctrl_mode = FPGA_SPI_INTF,
+	.phy_ctrl_settings = &dsi_novatek_cmd_mode_phy_db,
+	.dlane_swap = 0x1,
+	.enable_wled_bl_ctrl = 0x1,
+};
+
+static struct platform_device mipi_dsi_novatek_panel_device = {
+	.name = "mipi_novatek",
+	.id = 0,
+	.dev = {
+		.platform_data = &novatek_pdata,
+	}
+};
+
+#ifdef CONFIG_FB_MSM_HDMI_MSM_PANEL
+static struct resource hdmi_msm_resources[] = {
+	{
+		.name  = "hdmi_msm_qfprom_addr",
+		.start = 0x00700000,
+		.end   = 0x007060FF,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.name  = "hdmi_msm_hdmi_addr",
+		.start = 0x04A00000,
+		.end   = 0x04A00FFF,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.name  = "hdmi_msm_irq",
+		.start = HDMI_IRQ,
+		.end   = HDMI_IRQ,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+static int hdmi_enable_5v(int on);
+static int hdmi_core_power(int on, int show);
+static int hdmi_cec_power(int on);
+
+static struct msm_hdmi_platform_data hdmi_msm_data = {
+	.irq = HDMI_IRQ,
+	.enable_5v = hdmi_enable_5v,
+	.core_power = hdmi_core_power,
+	.cec_power = hdmi_cec_power,
+};
+
+static struct platform_device hdmi_msm_device = {
+	.name = "hdmi_msm",
+	.id = 0,
+	.num_resources = ARRAY_SIZE(hdmi_msm_resources),
+	.resource = hdmi_msm_resources,
+	.dev.platform_data = &hdmi_msm_data,
+};
+#endif /* CONFIG_FB_MSM_HDMI_MSM_PANEL */
+
+#ifdef CONFIG_FB_MSM_WRITEBACK_MSM_PANEL
+static struct platform_device wfd_panel_device = {
+	.name = "wfd_panel",
+	.id = 0,
+	.dev.platform_data = NULL,
+};
+
+static struct platform_device wfd_device = {
+	.name          = "msm_wfd",
+	.id            = -1,
+};
+#endif
+
+#ifdef CONFIG_MSM_BUS_SCALING
+static struct msm_bus_vectors dtv_bus_init_vectors[] = {
+	{
+		.src = MSM_BUS_MASTER_MDP_PORT0,
+		.dst = MSM_BUS_SLAVE_EBI_CH0,
+		.ab = 0,
+		.ib = 0,
+	},
+};
+
+#ifdef CONFIG_FB_MSM_HDMI_AS_PRIMARY
+static struct msm_bus_vectors dtv_bus_def_vectors[] = {
+	{
+		.src = MSM_BUS_MASTER_MDP_PORT0,
+		.dst = MSM_BUS_SLAVE_EBI_CH0,
+		.ab = 2000000000,
+		.ib = 2000000000,
+	},
+};
+#else
+static struct msm_bus_vectors dtv_bus_def_vectors[] = {
+	{
+		.src = MSM_BUS_MASTER_MDP_PORT0,
+		.dst = MSM_BUS_SLAVE_EBI_CH0,
+		.ab = 566092800 * 2,
+		.ib = 707616000 * 2,
+	},
+};
+#endif
+
+static struct msm_bus_paths dtv_bus_scale_usecases[] = {
+	{
+		ARRAY_SIZE(dtv_bus_init_vectors),
+		dtv_bus_init_vectors,
+	},
+	{
+		ARRAY_SIZE(dtv_bus_def_vectors),
+		dtv_bus_def_vectors,
+	},
+};
+static struct msm_bus_scale_pdata dtv_bus_scale_pdata = {
+	dtv_bus_scale_usecases,
+	ARRAY_SIZE(dtv_bus_scale_usecases),
+	.name = "dtv",
+};
+
+static struct lcdc_platform_data dtv_pdata = {
+	.bus_scale_table = &dtv_bus_scale_pdata,
+};
+#endif
+
+#ifdef CONFIG_FB_MSM_HDMI_MSM_PANEL
+static int hdmi_enable_5v(int on)
+{
+	static struct regulator *reg_ext_5v;	/* HDMI_5V */
+	static int prev_on;
+	int rc;
+
+	if (on == prev_on)
+		return 0;
+
+	if (!reg_ext_5v) {
+		reg_ext_5v = regulator_get(&hdmi_msm_device.dev, "hdmi_mvs");
+		if (IS_ERR(reg_ext_5v)) {
+			pr_err("'%s' regulator not found, rc=%ld\n",
+				"hdmi_mvs", IS_ERR(reg_ext_5v));
+			reg_ext_5v = NULL;
+			return -ENODEV;
+		}
+	}
+
+	if (on) {
+		rc = regulator_enable(reg_ext_5v);
+		if (rc) {
+			pr_err("'%s' regulator enable failed, rc=%d\n",
+				"reg_ext_5v", rc);
+			return rc;
+		}
+		pr_debug("%s(on): success\n", __func__);
+	} else {
+		rc = regulator_disable(reg_ext_5v);
+		if (rc)
+			pr_warning("'%s' regulator disable failed, rc=%d\n",
+				"reg_ext_5v", rc);
+		pr_debug("%s(off): success\n", __func__);
+	}
+
+	prev_on = on;
+
+	return 0;
+}
+
+static int hdmi_core_power(int on, int show)
+{
+	/* Both HDMI "avdd" and "vcc" are powered by 8038_l23 regulator */
+	static struct regulator *reg_8038_l23;
+	static int prev_on;
+	int rc;
+
+	if (on == prev_on)
+		return 0;
+
+	if (!reg_8038_l23) {
+		reg_8038_l23 = regulator_get(&hdmi_msm_device.dev, "hdmi_avdd");
+		if (IS_ERR(reg_8038_l23)) {
+			pr_err("could not get reg_8038_l23, rc = %ld\n",
+				PTR_ERR(reg_8038_l23));
+			return -ENODEV;
+		}
+		rc = regulator_set_voltage(reg_8038_l23, 1800000, 1800000);
+		if (rc) {
+			pr_err("set_voltage failed for 8921_l23, rc=%d\n", rc);
+			return -EINVAL;
+		}
+	}
+
+	if (on) {
+		rc = regulator_set_optimum_mode(reg_8038_l23, 100000);
+		if (rc < 0) {
+			pr_err("set_optimum_mode l23 failed, rc=%d\n", rc);
+			return -EINVAL;
+		}
+		rc = regulator_enable(reg_8038_l23);
+		if (rc) {
+			pr_err("'%s' regulator enable failed, rc=%d\n",
+				"hdmi_avdd", rc);
+			return rc;
+		}
+		rc = gpio_request(100, "HDMI_DDC_CLK");
+		if (rc) {
+			pr_err("'%s'(%d) gpio_request failed, rc=%d\n",
+				"HDMI_DDC_CLK", 100, rc);
+			goto error1;
+		}
+		rc = gpio_request(101, "HDMI_DDC_DATA");
+		if (rc) {
+			pr_err("'%s'(%d) gpio_request failed, rc=%d\n",
+				"HDMI_DDC_DATA", 101, rc);
+			goto error2;
+		}
+		rc = gpio_request(102, "HDMI_HPD");
+		if (rc) {
+			pr_err("'%s'(%d) gpio_request failed, rc=%d\n",
+				"HDMI_HPD", 102, rc);
+			goto error3;
+		}
+		pr_debug("%s(on): success\n", __func__);
+	} else {
+		gpio_free(100);
+		gpio_free(101);
+		gpio_free(102);
+
+		rc = regulator_disable(reg_8038_l23);
+		if (rc) {
+			pr_err("disable reg_8038_l23 failed, rc=%d\n", rc);
+			return -ENODEV;
+		}
+		rc = regulator_set_optimum_mode(reg_8038_l23, 100);
+		if (rc < 0) {
+			pr_err("set_optimum_mode l23 failed, rc=%d\n", rc);
+			return -EINVAL;
+		}
+		pr_debug("%s(off): success\n", __func__);
+	}
+
+	prev_on = on;
+
+	return 0;
+
+error3:
+	gpio_free(101);
+error2:
+	gpio_free(100);
+error1:
+	regulator_disable(reg_8038_l23);
+	return rc;
+}
+
+static int hdmi_cec_power(int on)
+{
+	static int prev_on;
+	int rc;
+
+	if (on == prev_on)
+		return 0;
+
+	if (on) {
+		rc = gpio_request(99, "HDMI_CEC_VAR");
+		if (rc) {
+			pr_err("'%s'(%d) gpio_request failed, rc=%d\n",
+				"HDMI_CEC_VAR", 99, rc);
+			goto error;
+		}
+		pr_debug("%s(on): success\n", __func__);
+	} else {
+		gpio_free(99);
+		pr_debug("%s(off): success\n", __func__);
+	}
+
+	prev_on = on;
+
+	return 0;
+error:
+	return rc;
+}
+#endif /* CONFIG_FB_MSM_HDMI_MSM_PANEL */
+
+void __init msm8930_init_fb(void)
+{
+	platform_device_register(&msm_fb_device);
+
+#ifdef CONFIG_FB_MSM_WRITEBACK_MSM_PANEL
+	platform_device_register(&wfd_panel_device);
+	platform_device_register(&wfd_device);
+#endif
+
+	platform_device_register(&mipi_dsi_novatek_panel_device);
+
+#ifdef CONFIG_FB_MSM_HDMI_MSM_PANEL
+	platform_device_register(&hdmi_msm_device);
+#endif
+
+	platform_device_register(&mipi_dsi_toshiba_panel_device);
+
+	msm_fb_register_device("mdp", &mdp_pdata);
+	msm_fb_register_device("mipi_dsi", &mipi_dsi_pdata);
+#ifdef CONFIG_MSM_BUS_SCALING
+	msm_fb_register_device("dtv", &dtv_pdata);
+#endif
+}
+
+void __init msm8930_allocate_fb_region(void)
+{
+	void *addr;
+	unsigned long size;
+
+	size = MSM_FB_SIZE;
+	addr = alloc_bootmem_align(size, 0x1000);
+	msm_fb_resources[0].start = __pa(addr);
+	msm_fb_resources[0].end = msm_fb_resources[0].start + size - 1;
+	pr_info("allocating %lu bytes at %p (%lx physical) for fb\n",
+			size, addr, __pa(addr));
+}