Merge branch 'for-linus' of git://gitorious.org/linux-omap-dss2/linux

* 'for-linus' of git://gitorious.org/linux-omap-dss2/linux: (49 commits)
  OMAP: DSS2: Taal: Fix TE when resuming
  OMAP: DSS2: Taal: Fix ESD check
  OMAP: DSS2: OMAPFB: Constify some function parameters
  OMAP: DSS2: OMAPFB: install omapfb.h
  OMAP: DSS2: DSI: add error prints
  OMAP: DSS2: TPO-TD03MTEA1: fix function names
  OMAP: DSS2: DSI: add dsi_vc_dcs_read_2() helper
  OMAP: DSS2: OMAPFB: Remove FB_OMAP2_FORCE_AUTO_UPDATE
  OMAP: DSS2: DSI: remove external TE support
  OMAP: DSS2: move timing functions
  OMAP: DSS2: move set/get_wss()
  OMAP: DSS2: move enable/disable/suspend/resume
  OMAP: DSS2: move update() and sync()
  OMAP: DSS2: move set/get_update_mode()
  OMAP: DSS2: move enable/get_te()
  OMAP: DSS2: move get_recommended_bpp()
  OMAP: DSS2: move get_resolution()
  OMAP: DSS2: move enable/disable_channel to overlay manager
  OMAP: DSS2: move wait_vsync()
  OMAP: DSS2: move get/set_rotate()
  ...

arch/arm/mach-omap2/board-3430sdp.c

@@ -541,10 +541,6 @@ static struct regulator_init_data sdp3430_vdac = {
 
 /* VPLL2 for digital video outputs */
 static struct regulator_consumer_supply sdp3430_vpll2_supplies[] = {
-	{
-		.supply		= "vdvi",
-		.dev		= &sdp3430_lcd_device.dev,
-	},
 	{
 		.supply		= "vdds_dsi",
 		.dev		= &sdp3430_dss_device.dev,

arch/arm/plat-omap/include/plat/display.h

@@ -233,8 +233,12 @@ int omap_rfbi_setup_te(enum omap_rfbi_te_mode mode,
 void dsi_bus_lock(void);
 void dsi_bus_unlock(void);
 int dsi_vc_dcs_write(int channel, u8 *data, int len);
+int dsi_vc_dcs_write_0(int channel, u8 dcs_cmd);
+int dsi_vc_dcs_write_1(int channel, u8 dcs_cmd, u8 param);
 int dsi_vc_dcs_write_nosync(int channel, u8 *data, int len);
 int dsi_vc_dcs_read(int channel, u8 dcs_cmd, u8 *buf, int buflen);
+int dsi_vc_dcs_read_1(int channel, u8 dcs_cmd, u8 *data);
+int dsi_vc_dcs_read_2(int channel, u8 dcs_cmd, u16 *data);
 int dsi_vc_set_max_rx_packet_size(int channel, u16 len);
 int dsi_vc_send_null(int channel);
 int dsi_vc_send_bta_sync(int channel);
@@ -367,6 +371,10 @@ struct omap_overlay_manager {
 
 	int (*apply)(struct omap_overlay_manager *mgr);
 	int (*wait_for_go)(struct omap_overlay_manager *mgr);
+	int (*wait_for_vsync)(struct omap_overlay_manager *mgr);
+
+	int (*enable)(struct omap_overlay_manager *mgr);
+	int (*disable)(struct omap_overlay_manager *mgr);
 };
 
 struct omap_dss_device {
@@ -426,16 +434,11 @@ struct omap_dss_device {
 		int acb;	/* ac-bias pin frequency */
 
 		enum omap_panel_config config;
-
-		u8 recommended_bpp;
-
-		struct omap_dss_device *ctrl;
 	} panel;
 
 	struct {
 		u8 pixel_size;
 		struct rfbi_timings rfbi_timings;
-		struct omap_dss_device *panel;
 	} ctrl;
 
 	int reset_gpio;
@@ -460,49 +463,6 @@ struct omap_dss_device {
 
 	enum omap_dss_display_state state;
 
-	int (*enable)(struct omap_dss_device *dssdev);
-	void (*disable)(struct omap_dss_device *dssdev);
-
-	int (*suspend)(struct omap_dss_device *dssdev);
-	int (*resume)(struct omap_dss_device *dssdev);
-
-	void (*get_resolution)(struct omap_dss_device *dssdev,
-			u16 *xres, u16 *yres);
-	int (*get_recommended_bpp)(struct omap_dss_device *dssdev);
-
-	int (*check_timings)(struct omap_dss_device *dssdev,
-			struct omap_video_timings *timings);
-	void (*set_timings)(struct omap_dss_device *dssdev,
-			struct omap_video_timings *timings);
-	void (*get_timings)(struct omap_dss_device *dssdev,
-			struct omap_video_timings *timings);
-	int (*update)(struct omap_dss_device *dssdev,
-			       u16 x, u16 y, u16 w, u16 h);
-	int (*sync)(struct omap_dss_device *dssdev);
-	int (*wait_vsync)(struct omap_dss_device *dssdev);
-
-	int (*set_update_mode)(struct omap_dss_device *dssdev,
-			enum omap_dss_update_mode);
-	enum omap_dss_update_mode (*get_update_mode)
-		(struct omap_dss_device *dssdev);
-
-	int (*enable_te)(struct omap_dss_device *dssdev, bool enable);
-	int (*get_te)(struct omap_dss_device *dssdev);
-
-	u8 (*get_rotate)(struct omap_dss_device *dssdev);
-	int (*set_rotate)(struct omap_dss_device *dssdev, u8 rotate);
-
-	bool (*get_mirror)(struct omap_dss_device *dssdev);
-	int (*set_mirror)(struct omap_dss_device *dssdev, bool enable);
-
-	int (*run_test)(struct omap_dss_device *dssdev, int test);
-	int (*memory_read)(struct omap_dss_device *dssdev,
-			void *buf, size_t size,
-			u16 x, u16 y, u16 w, u16 h);
-
-	int (*set_wss)(struct omap_dss_device *dssdev, u32 wss);
-	u32 (*get_wss)(struct omap_dss_device *dssdev);
-
 	/* platform specific  */
 	int (*platform_enable)(struct omap_dss_device *dssdev);
 	void (*platform_disable)(struct omap_dss_device *dssdev);
@@ -522,11 +482,17 @@ struct omap_dss_driver {
 	int (*resume)(struct omap_dss_device *display);
 	int (*run_test)(struct omap_dss_device *display, int test);
 
-	void (*setup_update)(struct omap_dss_device *dssdev,
+	int (*set_update_mode)(struct omap_dss_device *dssdev,
+			enum omap_dss_update_mode);
+	enum omap_dss_update_mode (*get_update_mode)(
+			struct omap_dss_device *dssdev);
+
+	int (*update)(struct omap_dss_device *dssdev,
 			       u16 x, u16 y, u16 w, u16 h);
+	int (*sync)(struct omap_dss_device *dssdev);
 
 	int (*enable_te)(struct omap_dss_device *dssdev, bool enable);
-	int (*wait_for_te)(struct omap_dss_device *dssdev);
+	int (*get_te)(struct omap_dss_device *dssdev);
 
 	u8 (*get_rotate)(struct omap_dss_device *dssdev);
 	int (*set_rotate)(struct omap_dss_device *dssdev, u8 rotate);
@@ -537,6 +503,20 @@ struct omap_dss_driver {
 	int (*memory_read)(struct omap_dss_device *dssdev,
 			void *buf, size_t size,
 			u16 x, u16 y, u16 w, u16 h);
+
+	void (*get_resolution)(struct omap_dss_device *dssdev,
+			u16 *xres, u16 *yres);
+	int (*get_recommended_bpp)(struct omap_dss_device *dssdev);
+
+	int (*check_timings)(struct omap_dss_device *dssdev,
+			struct omap_video_timings *timings);
+	void (*set_timings)(struct omap_dss_device *dssdev,
+			struct omap_video_timings *timings);
+	void (*get_timings)(struct omap_dss_device *dssdev,
+			struct omap_video_timings *timings);
+
+	int (*set_wss)(struct omap_dss_device *dssdev, u32 wss);
+	u32 (*get_wss)(struct omap_dss_device *dssdev);
 };
 
 int omap_dss_register_driver(struct omap_dss_driver *);
@@ -561,6 +541,10 @@ struct omap_overlay_manager *omap_dss_get_overlay_manager(int num);
 int omap_dss_get_num_overlays(void);
 struct omap_overlay *omap_dss_get_overlay(int num);
 
+void omapdss_default_get_resolution(struct omap_dss_device *dssdev,
+		u16 *xres, u16 *yres);
+int omapdss_default_get_recommended_bpp(struct omap_dss_device *dssdev);
+
 typedef void (*omap_dispc_isr_t) (void *arg, u32 mask);
 int omap_dispc_register_isr(omap_dispc_isr_t isr, void *arg, u32 mask);
 int omap_dispc_unregister_isr(omap_dispc_isr_t isr, void *arg, u32 mask);
@@ -572,4 +556,35 @@ int omap_dispc_wait_for_irq_interruptible_timeout(u32 irqmask,
 #define to_dss_driver(x) container_of((x), struct omap_dss_driver, driver)
 #define to_dss_device(x) container_of((x), struct omap_dss_device, dev)
 
+void omapdss_dsi_vc_enable_hs(int channel, bool enable);
+int omapdss_dsi_enable_te(struct omap_dss_device *dssdev, bool enable);
+
+int omap_dsi_prepare_update(struct omap_dss_device *dssdev,
+				    u16 *x, u16 *y, u16 *w, u16 *h);
+int omap_dsi_update(struct omap_dss_device *dssdev,
+		int channel,
+		u16 x, u16 y, u16 w, u16 h,
+		void (*callback)(int, void *), void *data);
+
+int omapdss_dsi_display_enable(struct omap_dss_device *dssdev);
+void omapdss_dsi_display_disable(struct omap_dss_device *dssdev);
+
+int omapdss_dpi_display_enable(struct omap_dss_device *dssdev);
+void omapdss_dpi_display_disable(struct omap_dss_device *dssdev);
+void dpi_set_timings(struct omap_dss_device *dssdev,
+			struct omap_video_timings *timings);
+int dpi_check_timings(struct omap_dss_device *dssdev,
+			struct omap_video_timings *timings);
+
+int omapdss_sdi_display_enable(struct omap_dss_device *dssdev);
+void omapdss_sdi_display_disable(struct omap_dss_device *dssdev);
+
+int omapdss_rfbi_display_enable(struct omap_dss_device *dssdev);
+void omapdss_rfbi_display_disable(struct omap_dss_device *dssdev);
+int omap_rfbi_prepare_update(struct omap_dss_device *dssdev,
+		u16 *x, u16 *y, u16 *w, u16 *h);
+int omap_rfbi_update(struct omap_dss_device *dssdev,
+		u16 x, u16 y, u16 w, u16 h,
+		void (*callback)(void *), void *data);
+
 #endif

drivers/video/omap/lcd_ams_delta.c

@@ -24,6 +24,7 @@
 #include <linux/platform_device.h>
 #include <linux/io.h>
 #include <linux/delay.h>
+#include <linux/lcd.h>
 
 #include <plat/board-ams-delta.h>
 #include <mach/hardware.h>
@@ -32,6 +33,71 @@
 
 #define AMS_DELTA_DEFAULT_CONTRAST	112
 
+#define AMS_DELTA_MAX_CONTRAST		0x00FF
+#define AMS_DELTA_LCD_POWER		0x0100
+
+
+/* LCD class device section */
+
+static int ams_delta_lcd;
+
+static int ams_delta_lcd_set_power(struct lcd_device *dev, int power)
+{
+	if (power == FB_BLANK_UNBLANK) {
+		if (!(ams_delta_lcd & AMS_DELTA_LCD_POWER)) {
+			omap_writeb(ams_delta_lcd & AMS_DELTA_MAX_CONTRAST,
+					OMAP_PWL_ENABLE);
+			omap_writeb(1, OMAP_PWL_CLK_ENABLE);
+			ams_delta_lcd |= AMS_DELTA_LCD_POWER;
+		}
+	} else {
+		if (ams_delta_lcd & AMS_DELTA_LCD_POWER) {
+			omap_writeb(0, OMAP_PWL_ENABLE);
+			omap_writeb(0, OMAP_PWL_CLK_ENABLE);
+			ams_delta_lcd &= ~AMS_DELTA_LCD_POWER;
+		}
+	}
+	return 0;
+}
+
+static int ams_delta_lcd_set_contrast(struct lcd_device *dev, int value)
+{
+	if ((value >= 0) && (value <= AMS_DELTA_MAX_CONTRAST)) {
+		omap_writeb(value, OMAP_PWL_ENABLE);
+		ams_delta_lcd &= ~AMS_DELTA_MAX_CONTRAST;
+		ams_delta_lcd |= value;
+	}
+	return 0;
+}
+
+#ifdef CONFIG_LCD_CLASS_DEVICE
+static int ams_delta_lcd_get_power(struct lcd_device *dev)
+{
+	if (ams_delta_lcd & AMS_DELTA_LCD_POWER)
+		return FB_BLANK_UNBLANK;
+	else
+		return FB_BLANK_POWERDOWN;
+}
+
+static int ams_delta_lcd_get_contrast(struct lcd_device *dev)
+{
+	if (!(ams_delta_lcd & AMS_DELTA_LCD_POWER))
+		return 0;
+
+	return ams_delta_lcd & AMS_DELTA_MAX_CONTRAST;
+}
+
+static struct lcd_ops ams_delta_lcd_ops = {
+	.get_power = ams_delta_lcd_get_power,
+	.set_power = ams_delta_lcd_set_power,
+	.get_contrast = ams_delta_lcd_get_contrast,
+	.set_contrast = ams_delta_lcd_set_contrast,
+};
+#endif
+
+
+/* omapfb panel section */
+
 static int ams_delta_panel_init(struct lcd_panel *panel,
 		struct omapfb_device *fbdev)
 {
@@ -48,10 +114,6 @@ static int ams_delta_panel_enable(struct lcd_panel *panel)
 			AMS_DELTA_LATCH2_LCD_NDISP);
 	ams_delta_latch2_write(AMS_DELTA_LATCH2_LCD_VBLEN,
 			AMS_DELTA_LATCH2_LCD_VBLEN);
-
-	omap_writeb(1, OMAP_PWL_CLK_ENABLE);
-	omap_writeb(AMS_DELTA_DEFAULT_CONTRAST, OMAP_PWL_ENABLE);
-
 	return 0;
 }
 
@@ -91,8 +153,31 @@ static struct lcd_panel ams_delta_panel = {
 	.get_caps	= ams_delta_panel_get_caps,
 };
 
+
+/* platform driver section */
+
 static int ams_delta_panel_probe(struct platform_device *pdev)
 {
+	struct lcd_device *lcd_device = NULL;
+#ifdef CONFIG_LCD_CLASS_DEVICE
+	int ret;
+
+	lcd_device = lcd_device_register("omapfb", &pdev->dev, NULL,
+						&ams_delta_lcd_ops);
+
+	if (IS_ERR(lcd_device)) {
+		ret = PTR_ERR(lcd_device);
+		dev_err(&pdev->dev, "failed to register device\n");
+		return ret;
+	}
+
+	platform_set_drvdata(pdev, lcd_device);
+	lcd_device->props.max_contrast = AMS_DELTA_MAX_CONTRAST;
+#endif
+
+	ams_delta_lcd_set_contrast(lcd_device, AMS_DELTA_DEFAULT_CONTRAST);
+	ams_delta_lcd_set_power(lcd_device, FB_BLANK_UNBLANK);
+
 	omapfb_register_panel(&ams_delta_panel);
 	return 0;
 }

drivers/video/omap/omapfb_main.c

@@ -486,9 +486,10 @@ static int set_color_mode(struct omapfb_plane_struct *plane,
 		return 0;
 	case 12:
 		var->bits_per_pixel = 16;
-		plane->color_mode = OMAPFB_COLOR_RGB444;
-		return 0;
 	case 16:
+		if (plane->fbdev->panel->bpp == 12)
+			plane->color_mode = OMAPFB_COLOR_RGB444;
+		else
 			plane->color_mode = OMAPFB_COLOR_RGB565;
 		return 0;
 	default:

drivers/video/omap2/displays/Kconfig

@@ -13,10 +13,28 @@ config PANEL_SHARP_LS037V7DW01
         help
           LCD Panel used in TI's SDP3430 and EVM boards
 
+config PANEL_SHARP_LQ043T1DG01
+        tristate "Sharp LQ043T1DG01 LCD Panel"
+        depends on OMAP2_DSS
+        help
+          LCD Panel used in TI's OMAP3517 EVM boards
+
 config PANEL_TAAL
         tristate "Taal DSI Panel"
         depends on OMAP2_DSS_DSI
         help
           Taal DSI command mode panel from TPO.
 
+config PANEL_TOPPOLY_TDO35S
+        tristate "Toppoly TDO35S LCD Panel support"
+        depends on OMAP2_DSS
+        help
+          LCD Panel used in CM-T35
+
+config PANEL_TPO_TD043MTEA1
+        tristate "TPO TD043MTEA1 LCD Panel"
+        depends on OMAP2_DSS && I2C
+        help
+          LCD Panel used in OMAP3 Pandora
+
 endmenu

drivers/video/omap2/displays/Makefile

 obj-$(CONFIG_PANEL_GENERIC) += panel-generic.o
 obj-$(CONFIG_PANEL_SHARP_LS037V7DW01) += panel-sharp-ls037v7dw01.o
+obj-$(CONFIG_PANEL_SHARP_LQ043T1DG01) += panel-sharp-lq043t1dg01.o
 
 obj-$(CONFIG_PANEL_TAAL) += panel-taal.o
+obj-$(CONFIG_PANEL_TOPPOLY_TDO35S) += panel-toppoly-tdo35s.o
+obj-$(CONFIG_PANEL_TPO_TD043MTEA1) += panel-tpo-td043mtea1.o

drivers/video/omap2/displays/panel-generic.c

@@ -35,6 +35,35 @@ static struct omap_video_timings generic_panel_timings = {
 	.vbp		= 7,
 };
 
+static int generic_panel_power_on(struct omap_dss_device *dssdev)
+{
+	int r;
+
+	r = omapdss_dpi_display_enable(dssdev);
+	if (r)
+		goto err0;
+
+	if (dssdev->platform_enable) {
+		r = dssdev->platform_enable(dssdev);
+		if (r)
+			goto err1;
+	}
+
+	return 0;
+err1:
+	omapdss_dpi_display_disable(dssdev);
+err0:
+	return r;
+}
+
+static void generic_panel_power_off(struct omap_dss_device *dssdev)
+{
+	if (dssdev->platform_disable)
+		dssdev->platform_disable(dssdev);
+
+	omapdss_dpi_display_disable(dssdev);
+}
+
 static int generic_panel_probe(struct omap_dss_device *dssdev)
 {
 	dssdev->panel.config = OMAP_DSS_LCD_TFT;
@@ -51,27 +80,40 @@ static int generic_panel_enable(struct omap_dss_device *dssdev)
 {
 	int r = 0;
 
-	if (dssdev->platform_enable)
-		r = dssdev->platform_enable(dssdev);
-
+	r = generic_panel_power_on(dssdev);
+	if (r)
 		return r;
+
+	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+	return 0;
 }
 
 static void generic_panel_disable(struct omap_dss_device *dssdev)
 {
-	if (dssdev->platform_disable)
-		dssdev->platform_disable(dssdev);
+	generic_panel_power_off(dssdev);
+
+	dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
 }
 
 static int generic_panel_suspend(struct omap_dss_device *dssdev)
 {
-	generic_panel_disable(dssdev);
+	generic_panel_power_off(dssdev);
+	dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
 	return 0;
 }
 
 static int generic_panel_resume(struct omap_dss_device *dssdev)
 {
-	return generic_panel_enable(dssdev);
+	int r = 0;
+
+	r = generic_panel_power_on(dssdev);
+	if (r)
+		return r;
+
+	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+	return 0;
 }
 
 static struct omap_dss_driver generic_driver = {

drivers/video/omap2/displays/panel-sharp-lq043t1dg01.c

+/*
+ * LCD panel driver for Sharp LQ043T1DG01
+ *
+ * Copyright (C) 2009 Texas Instruments Inc
+ * Author: Vaibhav Hiremath <hvaibhav@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License 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.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/err.h>
+
+#include <plat/display.h>
+
+static struct omap_video_timings sharp_lq_timings = {
+	.x_res = 480,
+	.y_res = 272,
+
+	.pixel_clock	= 9000,
+
+	.hsw		= 42,
+	.hfp		= 3,
+	.hbp		= 2,
+
+	.vsw		= 11,
+	.vfp		= 3,
+	.vbp		= 2,
+};
+
+static int sharp_lq_panel_power_on(struct omap_dss_device *dssdev)
+{
+	int r;
+
+	r = omapdss_dpi_display_enable(dssdev);
+	if (r)
+		goto err0;
+
+	/* wait couple of vsyncs until enabling the LCD */
+	msleep(50);
+
+	if (dssdev->platform_enable) {
+		r = dssdev->platform_enable(dssdev);
+		if (r)
+			goto err1;
+	}
+
+	return 0;
+err1:
+	omapdss_dpi_display_disable(dssdev);
+err0:
+	return r;
+}
+
+static void sharp_lq_panel_power_off(struct omap_dss_device *dssdev)
+{
+	if (dssdev->platform_disable)
+		dssdev->platform_disable(dssdev);
+
+	/* wait at least 5 vsyncs after disabling the LCD */
+	msleep(100);
+
+	omapdss_dpi_display_disable(dssdev);
+}
+
+static int sharp_lq_panel_probe(struct omap_dss_device *dssdev)
+{
+
+	dssdev->panel.config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
+		OMAP_DSS_LCD_IHS | OMAP_DSS_LCD_IEO;
+	dssdev->panel.acb = 0x0;
+	dssdev->panel.timings = sharp_lq_timings;
+
+	return 0;
+}
+
+static void sharp_lq_panel_remove(struct omap_dss_device *dssdev)
+{
+}
+
+static int sharp_lq_panel_enable(struct omap_dss_device *dssdev)
+{
+	int r = 0;
+
+	r = sharp_lq_panel_power_on(dssdev);
+	if (r)
+		return r;
+
+	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+	return 0;
+}
+
+static void sharp_lq_panel_disable(struct omap_dss_device *dssdev)
+{
+	sharp_lq_panel_power_off(dssdev);
+
+	dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
+}
+
+static int sharp_lq_panel_suspend(struct omap_dss_device *dssdev)
+{
+	sharp_lq_panel_power_off(dssdev);
+	dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
+	return 0;
+}
+
+static int sharp_lq_panel_resume(struct omap_dss_device *dssdev)
+{
+	int r = 0;
+
+	r = sharp_lq_panel_power_on(dssdev);
+	if (r)
+		return r;
+
+	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+	return 0;
+}
+
+static struct omap_dss_driver sharp_lq_driver = {
+	.probe		= sharp_lq_panel_probe,
+	.remove		= sharp_lq_panel_remove,
+
+	.enable		= sharp_lq_panel_enable,
+	.disable	= sharp_lq_panel_disable,
+	.suspend	= sharp_lq_panel_suspend,
+	.resume		= sharp_lq_panel_resume,
+
+	.driver         = {
+		.name   = "sharp_lq_panel",
+		.owner  = THIS_MODULE,
+	},
+};
+
+static int __init sharp_lq_panel_drv_init(void)
+{
+	return omap_dss_register_driver(&sharp_lq_driver);
+}
+
+static void __exit sharp_lq_panel_drv_exit(void)
+{
+	omap_dss_unregister_driver(&sharp_lq_driver);
+}
+
+module_init(sharp_lq_panel_drv_init);
+module_exit(sharp_lq_panel_drv_exit);
+MODULE_LICENSE("GPL");

drivers/video/omap2/displays/panel-sharp-ls037v7dw01.c

@@ -20,19 +20,10 @@
 #include <linux/module.h>
 #include <linux/delay.h>
 #include <linux/device.h>
-#include <linux/regulator/consumer.h>
 #include <linux/err.h>
 
 #include <plat/display.h>
 
-struct sharp_data {
-	/* XXX This regulator should actually be in SDP board file, not here,
-	 * as it doesn't actually power the LCD, but something else that
-	 * affects the output to LCD (I think. Somebody clarify). It doesn't do
-	 * harm here, as SDP is the only board using this currently */
-	struct regulator *vdvi_reg;
-};
-
 static struct omap_video_timings sharp_ls_timings = {
 	.x_res = 480,
 	.y_res = 640,
@@ -50,77 +41,81 @@ static struct omap_video_timings sharp_ls_timings = {
 
 static int sharp_ls_panel_probe(struct omap_dss_device *dssdev)
 {
-	struct sharp_data *sd;
-
 	dssdev->panel.config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
 		OMAP_DSS_LCD_IHS;
 	dssdev->panel.acb = 0x28;
 	dssdev->panel.timings = sharp_ls_timings;
 
-	sd = kzalloc(sizeof(*sd), GFP_KERNEL);
-	if (!sd)
-		return -ENOMEM;
-
-	dev_set_drvdata(&dssdev->dev, sd);
-
-	sd->vdvi_reg = regulator_get(&dssdev->dev, "vdvi");
-	if (IS_ERR(sd->vdvi_reg)) {
-		kfree(sd);
-		pr_err("failed to get VDVI regulator\n");
-		return PTR_ERR(sd->vdvi_reg);
-	}
-
 	return 0;
 }
 
 static void sharp_ls_panel_remove(struct omap_dss_device *dssdev)
 {
-	struct sharp_data *sd = dev_get_drvdata(&dssdev->dev);
-
-	regulator_put(sd->vdvi_reg);
-
-	kfree(sd);
 }
 
-static int sharp_ls_panel_enable(struct omap_dss_device *dssdev)
+static int sharp_ls_power_on(struct omap_dss_device *dssdev)
 {
-	struct sharp_data *sd = dev_get_drvdata(&dssdev->dev);
 	int r = 0;
 
+	r = omapdss_dpi_display_enable(dssdev);
+	if (r)
+		goto err0;
+
 	/* wait couple of vsyncs until enabling the LCD */
 	msleep(50);
 
-	regulator_enable(sd->vdvi_reg);
-
-	if (dssdev->platform_enable)
+	if (dssdev->platform_enable) {
 		r = dssdev->platform_enable(dssdev);
+		if (r)
+			goto err1;
+	}
 
+	return 0;
+err1:
+	omapdss_dpi_display_disable(dssdev);
+err0:
 	return r;
 }
 
-static void sharp_ls_panel_disable(struct omap_dss_device *dssdev)
+static void sharp_ls_power_off(struct omap_dss_device *dssdev)
 {
-	struct sharp_data *sd = dev_get_drvdata(&dssdev->dev);
-
 	if (dssdev->platform_disable)
 		dssdev->platform_disable(dssdev);
 
-	regulator_disable(sd->vdvi_reg);
-
 	/* wait at least 5 vsyncs after disabling the LCD */
 
 	msleep(100);
+
+	omapdss_dpi_display_disable(dssdev);
+}
+
+static int sharp_ls_panel_enable(struct omap_dss_device *dssdev)
+{
+	int r;
+	r = sharp_ls_power_on(dssdev);
+	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+	return r;
+}
+
+static void sharp_ls_panel_disable(struct omap_dss_device *dssdev)
+{
+	sharp_ls_power_off(dssdev);
+	dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
 }
 
 static int sharp_ls_panel_suspend(struct omap_dss_device *dssdev)
 {
-	sharp_ls_panel_disable(dssdev);
+	sharp_ls_power_off(dssdev);
+	dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
 	return 0;
 }
 
 static int sharp_ls_panel_resume(struct omap_dss_device *dssdev)
 {
-	return sharp_ls_panel_enable(dssdev);
+	int r;
+	r = sharp_ls_power_on(dssdev);
+	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+	return r;
 }
 
 static struct omap_dss_driver sharp_ls_driver = {

drivers/video/omap2/displays/panel-toppoly-tdo35s.c

+/*
+ * LCD panel driver for Toppoly TDO35S
+ *
+ * Copyright (C) 2009 CompuLab, Ltd.
+ * Author: Mike Rapoport <mike@compulab.co.il>
+ *
+ * Based on generic panel support
+ * Copyright (C) 2008 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License 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.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/module.h>
+#include <linux/delay.h>
+
+#include <plat/display.h>
+
+static struct omap_video_timings toppoly_tdo_panel_timings = {
+	/* 640 x 480 @ 60 Hz  Reduced blanking VESA CVT 0.31M3-R */
+	.x_res		= 480,
+	.y_res		= 640,
+
+	.pixel_clock	= 26000,
+
+	.hfp		= 104,
+	.hsw		= 8,
+	.hbp		= 8,
+
+	.vfp		= 4,
+	.vsw		= 2,
+	.vbp		= 2,
+};
+
+static int toppoly_tdo_panel_power_on(struct omap_dss_device *dssdev)
+{
+	int r;
+
+	r = omapdss_dpi_display_enable(dssdev);
+	if (r)
+		goto err0;
+
+	if (dssdev->platform_enable) {
+		r = dssdev->platform_enable(dssdev);
+		if (r)
+			goto err1;
+	}
+
+	return 0;
+err1:
+	omapdss_dpi_display_disable(dssdev);
+err0:
+	return r;
+}
+
+static void toppoly_tdo_panel_power_off(struct omap_dss_device *dssdev)
+{
+	if (dssdev->platform_disable)
+		dssdev->platform_disable(dssdev);
+
+	omapdss_dpi_display_disable(dssdev);
+}
+
+static int toppoly_tdo_panel_probe(struct omap_dss_device *dssdev)
+{
+	dssdev->panel.config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
+		OMAP_DSS_LCD_IHS;
+	dssdev->panel.timings = toppoly_tdo_panel_timings;
+
+	return 0;
+}
+
+static void toppoly_tdo_panel_remove(struct omap_dss_device *dssdev)
+{
+}
+
+static int toppoly_tdo_panel_enable(struct omap_dss_device *dssdev)
+{
+	int r = 0;
+
+	r = toppoly_tdo_panel_power_on(dssdev);
+	if (r)
+		return r;
+
+	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+	return 0;
+}
+
+static void toppoly_tdo_panel_disable(struct omap_dss_device *dssdev)
+{
+	toppoly_tdo_panel_power_off(dssdev);
+
+	dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
+}
+
+static int toppoly_tdo_panel_suspend(struct omap_dss_device *dssdev)
+{
+	toppoly_tdo_panel_power_off(dssdev);
+	dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
+	return 0;
+}
+
+static int toppoly_tdo_panel_resume(struct omap_dss_device *dssdev)
+{
+	int r = 0;
+
+	r = toppoly_tdo_panel_power_on(dssdev);
+	if (r)
+		return r;
+
+	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+	return 0;
+}
+
+static struct omap_dss_driver generic_driver = {
+	.probe		= toppoly_tdo_panel_probe,
+	.remove		= toppoly_tdo_panel_remove,
+
+	.enable		= toppoly_tdo_panel_enable,
+	.disable	= toppoly_tdo_panel_disable,
+	.suspend	= toppoly_tdo_panel_suspend,
+	.resume		= toppoly_tdo_panel_resume,
+
+	.driver         = {
+		.name   = "toppoly_tdo35s_panel",
+		.owner  = THIS_MODULE,
+	},
+};
+
+static int __init toppoly_tdo_panel_drv_init(void)
+{
+	return omap_dss_register_driver(&generic_driver);
+}
+
+static void __exit toppoly_tdo_panel_drv_exit(void)
+{
+	omap_dss_unregister_driver(&generic_driver);
+}
+
+module_init(toppoly_tdo_panel_drv_init);
+module_exit(toppoly_tdo_panel_drv_exit);
+MODULE_LICENSE("GPL");

drivers/video/omap2/dss/Kconfig

@@ -30,19 +30,29 @@ config OMAP2_DSS_COLLECT_IRQ_STATS
 	depends on OMAP2_DSS_DEBUG_SUPPORT
 	default n
 	help
-	  Collect DSS IRQ statistics, printable via debugfs
+	  Collect DSS IRQ statistics, printable via debugfs.
+
+	  The statistics can be found from
+	  <debugfs>/omapdss/dispc_irq for DISPC interrupts, and
+	  <debugfs>/omapdss/dsi_irq for DSI interrupts.
 
 config OMAP2_DSS_RFBI
 	bool "RFBI support"
         default n
 	help
-	  MIPI DBI, or RFBI (Remote Framebuffer Interface), support.
+	  MIPI DBI support (RFBI, Remote Framebuffer Interface, in Texas
+	  Instrument's terminology).
+
+	  DBI is a bus between the host processor and a peripheral,
+	  such as a display or a framebuffer chip.
+
+	  See http://www.mipi.org/ for DBI spesifications.
 
 config OMAP2_DSS_VENC
 	bool "VENC support"
         default y
 	help
-	  OMAP Video Encoder support.
+	  OMAP Video Encoder support for S-Video and composite TV-out.
 
 config OMAP2_DSS_SDI
 	bool "SDI support"
@@ -51,12 +61,20 @@ config OMAP2_DSS_SDI
 	help
 	  SDI (Serial Display Interface) support.
 
+	  SDI is a high speed one-way display serial bus between the host
+	  processor and a display.
+
 config OMAP2_DSS_DSI
 	bool "DSI support"
 	depends on ARCH_OMAP3
         default n
 	help
-	  MIPI DSI support.
+	  MIPI DSI (Display Serial Interface) support.
+
+	  DSI is a high speed half-duplex serial interface between the host
+	  processor and a peripheral, such as a display or a framebuffer chip.
+
+	  See http://www.mipi.org/ for DSI spesifications.
 
 config OMAP2_DSS_USE_DSI_PLL
 	bool "Use DSI PLL for PCLK (EXPERIMENTAL)"

drivers/video/omap2/dss/core.c

@@ -31,6 +31,7 @@
 #include <linux/debugfs.h>
 #include <linux/io.h>
 #include <linux/device.h>
+#include <linux/regulator/consumer.h>
 
 #include <plat/display.h>
 #include <plat/clock.h>
@@ -47,6 +48,10 @@ static struct {
 	struct clk      *dss_54m_fck;
 	struct clk	*dss_96m_fck;
 	unsigned	num_clks_enabled;
+
+	struct regulator *vdds_dsi_reg;
+	struct regulator *vdds_sdi_reg;
+	struct regulator *vdda_dac_reg;
 } core;
 
 static void dss_clk_enable_all_no_ctx(void);
@@ -284,9 +289,11 @@ static void dss_clk_enable_no_ctx(enum dss_clock clks)
 
 void dss_clk_enable(enum dss_clock clks)
 {
+	bool check_ctx = core.num_clks_enabled == 0;
+
 	dss_clk_enable_no_ctx(clks);
 
-	if (cpu_is_omap34xx() && dss_need_ctx_restore())
+	if (check_ctx && cpu_is_omap34xx() && dss_need_ctx_restore())
 		restore_all_ctx();
 }
 
@@ -352,6 +359,50 @@ static void dss_clk_disable_all(void)
 	dss_clk_disable(clks);
 }
 
+/* REGULATORS */
+
+struct regulator *dss_get_vdds_dsi(void)
+{
+	struct regulator *reg;
+
+	if (core.vdds_dsi_reg != NULL)
+		return core.vdds_dsi_reg;
+
+	reg = regulator_get(&core.pdev->dev, "vdds_dsi");
+	if (!IS_ERR(reg))
+		core.vdds_dsi_reg = reg;
+
+	return reg;
+}
+
+struct regulator *dss_get_vdds_sdi(void)
+{
+	struct regulator *reg;
+
+	if (core.vdds_sdi_reg != NULL)
+		return core.vdds_sdi_reg;
+
+	reg = regulator_get(&core.pdev->dev, "vdds_sdi");
+	if (!IS_ERR(reg))
+		core.vdds_sdi_reg = reg;
+
+	return reg;
+}
+
+struct regulator *dss_get_vdda_dac(void)
+{
+	struct regulator *reg;
+
+	if (core.vdda_dac_reg != NULL)
+		return core.vdda_dac_reg;
+
+	reg = regulator_get(&core.pdev->dev, "vdda_dac");
+	if (!IS_ERR(reg))
+		core.vdda_dac_reg = reg;
+
+	return reg;
+}
+
 /* DEBUGFS */
 #if defined(CONFIG_DEBUG_FS) && defined(CONFIG_OMAP2_DSS_DEBUG_SUPPORT)
 static void dss_debug_dump_clocks(struct seq_file *s)
@@ -397,10 +448,12 @@ static int dss_initialize_debugfs(void)
 	debugfs_create_file("clk", S_IRUGO, dss_debugfs_dir,
 			&dss_debug_dump_clocks, &dss_debug_fops);
 
+#ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS
 	debugfs_create_file("dispc_irq", S_IRUGO, dss_debugfs_dir,
 			&dispc_dump_irqs, &dss_debug_fops);
+#endif
 
-#ifdef CONFIG_OMAP2_DSS_DSI
+#if defined(CONFIG_OMAP2_DSS_DSI) && defined(CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS)
 	debugfs_create_file("dsi_irq", S_IRUGO, dss_debugfs_dir,
 			&dsi_dump_irqs, &dss_debug_fops);
 #endif
@@ -473,7 +526,7 @@ static int omap_dss_probe(struct platform_device *pdev)
 	}
 #endif
 
-	r = dpi_init();
+	r = dpi_init(pdev);
 	if (r) {
 		DSSERR("Failed to initialize dpi\n");
 		goto fail0;
@@ -718,16 +771,14 @@ static int dss_driver_probe(struct device *dev)
 
 	dss_init_device(core.pdev, dssdev);
 
-	/* skip this if the device is behind a ctrl */
-	if (!dssdev->panel.ctrl) {
 	force = pdata->default_device == dssdev;
 	dss_recheck_connections(dssdev, force);
-	}
 
 	r = dssdrv->probe(dssdev);
 
 	if (r) {
 		DSSERR("driver probe failed: %d\n", r);
+		dss_uninit_device(core.pdev, dssdev);
 		return r;
 	}
 
@@ -760,6 +811,13 @@ int omap_dss_register_driver(struct omap_dss_driver *dssdriver)
 	dssdriver->driver.bus = &dss_bus_type;
 	dssdriver->driver.probe = dss_driver_probe;
 	dssdriver->driver.remove = dss_driver_remove;
+
+	if (dssdriver->get_resolution == NULL)
+		dssdriver->get_resolution = omapdss_default_get_resolution;
+	if (dssdriver->get_recommended_bpp == NULL)
+		dssdriver->get_recommended_bpp =
+			omapdss_default_get_recommended_bpp;
+
 	return driver_register(&dssdriver->driver);
 }
 EXPORT_SYMBOL(omap_dss_register_driver);
@@ -808,8 +866,6 @@ static void omap_dss_dev_release(struct device *dev)
 int omap_dss_register_device(struct omap_dss_device *dssdev)
 {
 	static int dev_num;
-	static int panel_num;
-	int r;
 
 	WARN_ON(!dssdev->driver_name);
 
@@ -818,36 +874,12 @@ int omap_dss_register_device(struct omap_dss_device *dssdev)
 	dssdev->dev.parent = &dss_bus;
 	dssdev->dev.release = omap_dss_dev_release;
 	dev_set_name(&dssdev->dev, "display%d", dev_num++);
-	r = device_register(&dssdev->dev);
-	if (r)
-		return r;
-
-	if (dssdev->ctrl.panel) {
-		struct omap_dss_device *panel = dssdev->ctrl.panel;
-
-		panel->panel.ctrl = dssdev;
-
-		reset_device(&panel->dev, 1);
-		panel->dev.bus = &dss_bus_type;
-		panel->dev.parent = &dssdev->dev;
-		panel->dev.release = omap_dss_dev_release;
-		dev_set_name(&panel->dev, "panel%d", panel_num++);
-		r = device_register(&panel->dev);
-		if (r)
-			return r;
-	}
-
-	return 0;
+	return device_register(&dssdev->dev);
 }
 
 void omap_dss_unregister_device(struct omap_dss_device *dssdev)
 {
 	device_unregister(&dssdev->dev);
-
-	if (dssdev->ctrl.panel) {
-		struct omap_dss_device *panel = dssdev->ctrl.panel;
-		device_unregister(&panel->dev);
-	}
 }
 
 /* BUS */
@@ -901,6 +933,21 @@ static int __init omap_dss_init(void)
 
 static void __exit omap_dss_exit(void)
 {
+	if (core.vdds_dsi_reg != NULL) {
+		regulator_put(core.vdds_dsi_reg);
+		core.vdds_dsi_reg = NULL;
+	}
+
+	if (core.vdds_sdi_reg != NULL) {
+		regulator_put(core.vdds_sdi_reg);
+		core.vdds_sdi_reg = NULL;
+	}
+
+	if (core.vdda_dac_reg != NULL) {
+		regulator_put(core.vdda_dac_reg);
+		core.vdda_dac_reg = NULL;
+	}
+
 	platform_driver_unregister(&omap_dss_driver);
 
 	omap_dss_bus_unregister();

drivers/video/omap2/dss/dispc.c

@@ -1725,7 +1725,7 @@ static void _enable_lcd_out(bool enable)
 	REG_FLD_MOD(DISPC_CONTROL, enable ? 1 : 0, 0, 0);
 }
 
-void dispc_enable_lcd_out(bool enable)
+static void dispc_enable_lcd_out(bool enable)
 {
 	struct completion frame_done_completion;
 	bool is_on;
@@ -1772,7 +1772,7 @@ static void _enable_digit_out(bool enable)
 	REG_FLD_MOD(DISPC_CONTROL, enable ? 1 : 0, 1, 1);
 }
 
-void dispc_enable_digit_out(bool enable)
+static void dispc_enable_digit_out(bool enable)
 {
 	struct completion frame_done_completion;
 	int r;
@@ -1836,6 +1836,26 @@ void dispc_enable_digit_out(bool enable)
 	enable_clocks(0);
 }
 
+bool dispc_is_channel_enabled(enum omap_channel channel)
+{
+	if (channel == OMAP_DSS_CHANNEL_LCD)
+		return !!REG_GET(DISPC_CONTROL, 0, 0);
+	else if (channel == OMAP_DSS_CHANNEL_DIGIT)
+		return !!REG_GET(DISPC_CONTROL, 1, 1);
+	else
+		BUG();
+}
+
+void dispc_enable_channel(enum omap_channel channel, bool enable)
+{
+	if (channel == OMAP_DSS_CHANNEL_LCD)
+		dispc_enable_lcd_out(enable);
+	else if (channel == OMAP_DSS_CHANNEL_DIGIT)
+		dispc_enable_digit_out(enable);
+	else
+		BUG();
+}
+
 void dispc_lcd_enable_signal_polarity(bool act_high)
 {
 	enable_clocks(1);
@@ -2198,7 +2218,7 @@ unsigned long dispc_fclk_rate(void)
 {
 	unsigned long r = 0;
 
-	if (dss_get_dispc_clk_source() == 0)
+	if (dss_get_dispc_clk_source() == DSS_SRC_DSS1_ALWON_FCLK)
 		r = dss_clk_get_rate(DSS_CLK_FCK1);
 	else
 #ifdef CONFIG_OMAP2_DSS_DSI
@@ -2251,7 +2271,7 @@ void dispc_dump_clocks(struct seq_file *s)
 	seq_printf(s, "- DISPC -\n");
 
 	seq_printf(s, "dispc fclk source = %s\n",
-			dss_get_dispc_clk_source() == 0 ?
+			dss_get_dispc_clk_source() == DSS_SRC_DSS1_ALWON_FCLK ?
 			"dss1_alwon_fclk" : "dsi1_pll_fclk");
 
 	seq_printf(s, "fck\t\t%-16lu\n", dispc_fclk_rate());
@@ -2301,8 +2321,6 @@ void dispc_dump_irqs(struct seq_file *s)
 	PIS(WAKEUP);
 #undef PIS
 }
-#else
-void dispc_dump_irqs(struct seq_file *s) { }
 #endif
 
 void dispc_dump_regs(struct seq_file *s)
@@ -2854,12 +2872,13 @@ static void dispc_error_worker(struct work_struct *work)
 				manager = mgr;
 				enable = mgr->device->state ==
 						OMAP_DSS_DISPLAY_ACTIVE;
-				mgr->device->disable(mgr->device);
+				mgr->device->driver->disable(mgr->device);
 				break;
 			}
 		}
 
 		if (manager) {
+			struct omap_dss_device *dssdev = manager->device;
 			for (i = 0; i < omap_dss_get_num_overlays(); ++i) {
 				struct omap_overlay *ovl;
 				ovl = omap_dss_get_overlay(i);
@@ -2874,7 +2893,7 @@ static void dispc_error_worker(struct work_struct *work)
 			dispc_go(manager->id);
 			mdelay(50);
 			if (enable)
-				manager->device->enable(manager->device);
+				dssdev->driver->enable(dssdev);
 		}
 	}
 
@@ -2892,12 +2911,13 @@ static void dispc_error_worker(struct work_struct *work)
 				manager = mgr;
 				enable = mgr->device->state ==
 						OMAP_DSS_DISPLAY_ACTIVE;
-				mgr->device->disable(mgr->device);
+				mgr->device->driver->disable(mgr->device);
 				break;
 			}
 		}
 
 		if (manager) {
+			struct omap_dss_device *dssdev = manager->device;
 			for (i = 0; i < omap_dss_get_num_overlays(); ++i) {
 				struct omap_overlay *ovl;
 				ovl = omap_dss_get_overlay(i);
@@ -2912,7 +2932,7 @@ static void dispc_error_worker(struct work_struct *work)
 			dispc_go(manager->id);
 			mdelay(50);
 			if (enable)
-				manager->device->enable(manager->device);
+				dssdev->driver->enable(dssdev);
 		}
 	}
 
@@ -2923,7 +2943,7 @@ static void dispc_error_worker(struct work_struct *work)
 			mgr = omap_dss_get_overlay_manager(i);
 
 			if (mgr->caps & OMAP_DSS_OVL_CAP_DISPC)
-				mgr->device->disable(mgr->device);
+				mgr->device->driver->disable(mgr->device);
 		}
 	}
 

drivers/video/omap2/dss/display.c

@@ -53,11 +53,11 @@ static ssize_t display_enabled_store(struct device *dev,
 
 	if (enabled != (dssdev->state != OMAP_DSS_DISPLAY_DISABLED)) {
 		if (enabled) {
-			r = dssdev->enable(dssdev);
+			r = dssdev->driver->enable(dssdev);
 			if (r)
 				return r;
 		} else {
-			dssdev->disable(dssdev);
+			dssdev->driver->disable(dssdev);
 		}
 	}
 
@@ -69,8 +69,8 @@ static ssize_t display_upd_mode_show(struct device *dev,
 {
 	struct omap_dss_device *dssdev = to_dss_device(dev);
 	enum omap_dss_update_mode mode = OMAP_DSS_UPDATE_AUTO;
-	if (dssdev->get_update_mode)
-		mode = dssdev->get_update_mode(dssdev);
+	if (dssdev->driver->get_update_mode)
+		mode = dssdev->driver->get_update_mode(dssdev);
 	return snprintf(buf, PAGE_SIZE, "%d\n", mode);
 }
 
@@ -94,7 +94,7 @@ static ssize_t display_upd_mode_store(struct device *dev,
 		return -EINVAL;
 	}
 
-	r = dssdev->set_update_mode(dssdev, mode);
+	r = dssdev->driver->set_update_mode(dssdev, mode);
 	if (r)
 		return r;
 
@@ -106,7 +106,8 @@ static ssize_t display_tear_show(struct device *dev,
 {
 	struct omap_dss_device *dssdev = to_dss_device(dev);
 	return snprintf(buf, PAGE_SIZE, "%d\n",
-			dssdev->get_te ? dssdev->get_te(dssdev) : 0);
+			dssdev->driver->get_te ?
+			dssdev->driver->get_te(dssdev) : 0);
 }
 
 static ssize_t display_tear_store(struct device *dev,
@@ -116,12 +117,12 @@ static ssize_t display_tear_store(struct device *dev,
 	unsigned long te;
 	int r;
 
-	if (!dssdev->enable_te || !dssdev->get_te)
+	if (!dssdev->driver->enable_te || !dssdev->driver->get_te)
 		return -ENOENT;
 
 	te = simple_strtoul(buf, NULL, 0);
 
-	r = dssdev->enable_te(dssdev, te);
+	r = dssdev->driver->enable_te(dssdev, te);
 	if (r)
 		return r;
 
@@ -134,10 +135,10 @@ static ssize_t display_timings_show(struct device *dev,
 	struct omap_dss_device *dssdev = to_dss_device(dev);
 	struct omap_video_timings t;
 
-	if (!dssdev->get_timings)
+	if (!dssdev->driver->get_timings)
 		return -ENOENT;
 
-	dssdev->get_timings(dssdev, &t);
+	dssdev->driver->get_timings(dssdev, &t);
 
 	return snprintf(buf, PAGE_SIZE, "%u,%u/%u/%u/%u,%u/%u/%u/%u\n",
 			t.pixel_clock,
@@ -152,7 +153,7 @@ static ssize_t display_timings_store(struct device *dev,
 	struct omap_video_timings t;
 	int r, found;
 
-	if (!dssdev->set_timings || !dssdev->check_timings)
+	if (!dssdev->driver->set_timings || !dssdev->driver->check_timings)
 		return -ENOENT;
 
 	found = 0;
@@ -171,11 +172,11 @@ static ssize_t display_timings_store(struct device *dev,
 				&t.y_res, &t.vfp, &t.vbp, &t.vsw) != 9)
 		return -EINVAL;
 
-	r = dssdev->check_timings(dssdev, &t);
+	r = dssdev->driver->check_timings(dssdev, &t);
 	if (r)
 		return r;
 
-	dssdev->set_timings(dssdev, &t);
+	dssdev->driver->set_timings(dssdev, &t);
 
 	return size;
 }
@@ -185,9 +186,9 @@ static ssize_t display_rotate_show(struct device *dev,
 {
 	struct omap_dss_device *dssdev = to_dss_device(dev);
 	int rotate;
-	if (!dssdev->get_rotate)
+	if (!dssdev->driver->get_rotate)
 		return -ENOENT;
-	rotate = dssdev->get_rotate(dssdev);
+	rotate = dssdev->driver->get_rotate(dssdev);
 	return snprintf(buf, PAGE_SIZE, "%u\n", rotate);
 }
 
@@ -198,12 +199,12 @@ static ssize_t display_rotate_store(struct device *dev,
 	unsigned long rot;
 	int r;
 
-	if (!dssdev->set_rotate || !dssdev->get_rotate)
+	if (!dssdev->driver->set_rotate || !dssdev->driver->get_rotate)
 		return -ENOENT;
 
 	rot = simple_strtoul(buf, NULL, 0);
 
-	r = dssdev->set_rotate(dssdev, rot);
+	r = dssdev->driver->set_rotate(dssdev, rot);
 	if (r)
 		return r;
 
@@ -215,9 +216,9 @@ static ssize_t display_mirror_show(struct device *dev,
 {
 	struct omap_dss_device *dssdev = to_dss_device(dev);
 	int mirror;
-	if (!dssdev->get_mirror)
+	if (!dssdev->driver->get_mirror)
 		return -ENOENT;
-	mirror = dssdev->get_mirror(dssdev);
+	mirror = dssdev->driver->get_mirror(dssdev);
 	return snprintf(buf, PAGE_SIZE, "%u\n", mirror);
 }
 
@@ -228,12 +229,12 @@ static ssize_t display_mirror_store(struct device *dev,
 	unsigned long mirror;
 	int r;
 
-	if (!dssdev->set_mirror || !dssdev->get_mirror)
+	if (!dssdev->driver->set_mirror || !dssdev->driver->get_mirror)
 		return -ENOENT;
 
 	mirror = simple_strtoul(buf, NULL, 0);
 
-	r = dssdev->set_mirror(dssdev, mirror);
+	r = dssdev->driver->set_mirror(dssdev, mirror);
 	if (r)
 		return r;
 
@@ -246,10 +247,10 @@ static ssize_t display_wss_show(struct device *dev,
 	struct omap_dss_device *dssdev = to_dss_device(dev);
 	unsigned int wss;
 
-	if (!dssdev->get_wss)
+	if (!dssdev->driver->get_wss)
 		return -ENOENT;
 
-	wss = dssdev->get_wss(dssdev);
+	wss = dssdev->driver->get_wss(dssdev);
 
 	return snprintf(buf, PAGE_SIZE, "0x%05x\n", wss);
 }
@@ -261,7 +262,7 @@ static ssize_t display_wss_store(struct device *dev,
 	unsigned long wss;
 	int r;
 
-	if (!dssdev->get_wss || !dssdev->set_wss)
+	if (!dssdev->driver->get_wss || !dssdev->driver->set_wss)
 		return -ENOENT;
 
 	if (strict_strtoul(buf, 0, &wss))
@@ -270,7 +271,7 @@ static ssize_t display_wss_store(struct device *dev,
 	if (wss > 0xfffff)
 		return -EINVAL;
 
-	r = dssdev->set_wss(dssdev, wss);
+	r = dssdev->driver->set_wss(dssdev, wss);
 	if (r)
 		return r;
 
@@ -303,12 +304,13 @@ static struct device_attribute *display_sysfs_attrs[] = {
 	NULL
 };
 
-static void default_get_resolution(struct omap_dss_device *dssdev,
+void omapdss_default_get_resolution(struct omap_dss_device *dssdev,
 			u16 *xres, u16 *yres)
 {
 	*xres = dssdev->panel.timings.x_res;
 	*yres = dssdev->panel.timings.y_res;
 }
+EXPORT_SYMBOL(omapdss_default_get_resolution);
 
 void default_get_overlay_fifo_thresholds(enum omap_plane plane,
 		u32 fifo_size, enum omap_burst_size *burst_size,
@@ -323,24 +325,8 @@ void default_get_overlay_fifo_thresholds(enum omap_plane plane,
 	*fifo_low = fifo_size - burst_size_bytes;
 }
 
-static int default_wait_vsync(struct omap_dss_device *dssdev)
+int omapdss_default_get_recommended_bpp(struct omap_dss_device *dssdev)
 {
-	unsigned long timeout = msecs_to_jiffies(500);
-	u32 irq;
-
-	if (dssdev->type == OMAP_DISPLAY_TYPE_VENC)
-		irq = DISPC_IRQ_EVSYNC_ODD;
-	else
-		irq = DISPC_IRQ_VSYNC;
-
-	return omap_dispc_wait_for_irq_interruptible_timeout(irq, timeout);
-}
-
-static int default_get_recommended_bpp(struct omap_dss_device *dssdev)
-{
-	if (dssdev->panel.recommended_bpp)
-		return dssdev->panel.recommended_bpp;
-
 	switch (dssdev->type) {
 	case OMAP_DISPLAY_TYPE_DPI:
 		if (dssdev->phy.dpi.data_lines == 24)
@@ -362,6 +348,7 @@ static int default_get_recommended_bpp(struct omap_dss_device *dssdev)
 		BUG();
 	}
 }
+EXPORT_SYMBOL(omapdss_default_get_recommended_bpp);
 
 /* Checks if replication logic should be used. Only use for active matrix,
  * when overlay is in RGB12U or RGB16 mode, and LCD interface is
@@ -425,10 +412,6 @@ void dss_init_device(struct platform_device *pdev,
 		return;
 	}
 
-	dssdev->get_resolution = default_get_resolution;
-	dssdev->get_recommended_bpp = default_get_recommended_bpp;
-	dssdev->wait_vsync = default_wait_vsync;
-
 	switch (dssdev->type) {
 	case OMAP_DISPLAY_TYPE_DPI:
 		r = dpi_init_display(dssdev);
@@ -502,13 +485,13 @@ static int dss_suspend_device(struct device *dev, void *data)
 		return 0;
 	}
 
-	if (!dssdev->suspend) {
+	if (!dssdev->driver->suspend) {
 		DSSERR("display '%s' doesn't implement suspend\n",
 				dssdev->name);
 		return -ENOSYS;
 	}
 
-	r = dssdev->suspend(dssdev);
+	r = dssdev->driver->suspend(dssdev);
 	if (r)
 		return r;
 
@@ -537,8 +520,8 @@ static int dss_resume_device(struct device *dev, void *data)
 	int r;
 	struct omap_dss_device *dssdev = to_dss_device(dev);
 
-	if (dssdev->activate_after_resume && dssdev->resume) {
-		r = dssdev->resume(dssdev);
+	if (dssdev->activate_after_resume && dssdev->driver->resume) {
+		r = dssdev->driver->resume(dssdev);
 		if (r)
 			return r;
 	}
@@ -558,7 +541,7 @@ int dss_resume_all_devices(void)
 static int dss_disable_device(struct device *dev, void *data)
 {
 	struct omap_dss_device *dssdev = to_dss_device(dev);
-	dssdev->disable(dssdev);
+	dssdev->driver->disable(dssdev);
 	return 0;
 }
 
@@ -591,10 +574,6 @@ struct omap_dss_device *omap_dss_get_next_device(struct omap_dss_device *from)
 
 	int match(struct device *dev, void *data)
 	{
-		/* skip panels connected to controllers */
-		if (to_dss_device(dev)->panel.ctrl)
-			return 0;
-
 		return 1;
 	}
 
@@ -626,45 +605,21 @@ EXPORT_SYMBOL(omap_dss_find_device);
 
 int omap_dss_start_device(struct omap_dss_device *dssdev)
 {
-	int r;
-
 	if (!dssdev->driver) {
 		DSSDBG("no driver\n");
-		r = -ENODEV;
-		goto err0;
-	}
-
-	if (dssdev->ctrl.panel && !dssdev->ctrl.panel->driver) {
-		DSSDBG("no panel driver\n");
-		r = -ENODEV;
-		goto err0;
+		return -ENODEV;
 	}
 
 	if (!try_module_get(dssdev->dev.driver->owner)) {
-		r = -ENODEV;
-		goto err0;
-	}
-
-	if (dssdev->ctrl.panel) {
-		if (!try_module_get(dssdev->ctrl.panel->dev.driver->owner)) {
-			r = -ENODEV;
-			goto err1;
-		}
+		return -ENODEV;
 	}
 
 	return 0;
-err1:
-	module_put(dssdev->dev.driver->owner);
-err0:
-	return r;
 }
 EXPORT_SYMBOL(omap_dss_start_device);
 
 void omap_dss_stop_device(struct omap_dss_device *dssdev)
 {
-	if (dssdev->ctrl.panel)
-		module_put(dssdev->ctrl.panel->dev.driver->owner);
-
 	module_put(dssdev->dev.driver->owner);
 }
 EXPORT_SYMBOL(omap_dss_stop_device);

drivers/video/omap2/dss/dpi.c

@@ -25,7 +25,10 @@
 #include <linux/kernel.h>
 #include <linux/clk.h>
 #include <linux/delay.h>
+#include <linux/err.h>
 #include <linux/errno.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/consumer.h>
 
 #include <plat/display.h>
 #include <plat/cpu.h>
@@ -33,7 +36,7 @@
 #include "dss.h"
 
 static struct {
-	int update_enabled;
+	struct regulator *vdds_dsi_reg;
 } dpi;
 
 #ifdef CONFIG_OMAP2_DSS_USE_DSI_PLL
@@ -53,7 +56,7 @@ static int dpi_set_dsi_clk(bool is_tft, unsigned long pck_req,
 	if (r)
 		return r;
 
-	dss_select_clk_source(0, 1);
+	dss_select_dispc_clk_source(DSS_SRC_DSI1_PLL_FCLK);
 
 	r = dispc_set_clock_div(&dispc_cinfo);
 	if (r)
@@ -150,7 +153,7 @@ static int dpi_basic_init(struct omap_dss_device *dssdev)
 	return 0;
 }
 
-static int dpi_display_enable(struct omap_dss_device *dssdev)
+int omapdss_dpi_display_enable(struct omap_dss_device *dssdev)
 {
 	int r;
 
@@ -160,9 +163,9 @@ static int dpi_display_enable(struct omap_dss_device *dssdev)
 		goto err0;
 	}
 
-	if (dssdev->state != OMAP_DSS_DISPLAY_DISABLED) {
-		DSSERR("display already enabled\n");
-		r = -EINVAL;
+	if (cpu_is_omap34xx()) {
+		r = regulator_enable(dpi.vdds_dsi_reg);
+		if (r)
 			goto err1;
 	}
 
@@ -184,18 +187,10 @@ static int dpi_display_enable(struct omap_dss_device *dssdev)
 
 	mdelay(2);
 
-	dispc_enable_lcd_out(1);
-
-	r = dssdev->driver->enable(dssdev);
-	if (r)
-		goto err5;
-
-	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+	dssdev->manager->enable(dssdev->manager);
 
 	return 0;
 
-err5:
-	dispc_enable_lcd_out(0);
 err4:
 #ifdef CONFIG_OMAP2_DSS_USE_DSI_PLL
 	dsi_pll_uninit();
@@ -204,78 +199,35 @@ static int dpi_display_enable(struct omap_dss_device *dssdev)
 #endif
 err2:
 	dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1);
+	if (cpu_is_omap34xx())
+		regulator_disable(dpi.vdds_dsi_reg);
 err1:
 	omap_dss_stop_device(dssdev);
 err0:
 	return r;
 }
+EXPORT_SYMBOL(omapdss_dpi_display_enable);
 
-static int dpi_display_resume(struct omap_dss_device *dssdev);
-
-static void dpi_display_disable(struct omap_dss_device *dssdev)
+void omapdss_dpi_display_disable(struct omap_dss_device *dssdev)
 {
-	if (dssdev->state == OMAP_DSS_DISPLAY_DISABLED)
-		return;
-
-	if (dssdev->state == OMAP_DSS_DISPLAY_SUSPENDED)
-		dpi_display_resume(dssdev);
-
-	dssdev->driver->disable(dssdev);
-
-	dispc_enable_lcd_out(0);
+	dssdev->manager->disable(dssdev->manager);
 
 #ifdef CONFIG_OMAP2_DSS_USE_DSI_PLL
-	dss_select_clk_source(0, 0);
+	dss_select_dispc_clk_source(DSS_SRC_DSS1_ALWON_FCLK);
 	dsi_pll_uninit();
 	dss_clk_disable(DSS_CLK_FCK2);
 #endif
 
 	dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1);
 
-	dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
+	if (cpu_is_omap34xx())
+		regulator_disable(dpi.vdds_dsi_reg);
 
 	omap_dss_stop_device(dssdev);
 }
+EXPORT_SYMBOL(omapdss_dpi_display_disable);
 
-static int dpi_display_suspend(struct omap_dss_device *dssdev)
-{
-	if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
-		return -EINVAL;
-
-	DSSDBG("dpi_display_suspend\n");
-
-	if (dssdev->driver->suspend)
-		dssdev->driver->suspend(dssdev);
-
-	dispc_enable_lcd_out(0);
-
-	dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1);
-
-	dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
-
-	return 0;
-}
-
-static int dpi_display_resume(struct omap_dss_device *dssdev)
-{
-	if (dssdev->state != OMAP_DSS_DISPLAY_SUSPENDED)
-		return -EINVAL;
-
-	DSSDBG("dpi_display_resume\n");
-
-	dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK1);
-
-	dispc_enable_lcd_out(1);
-
-	if (dssdev->driver->resume)
-		dssdev->driver->resume(dssdev);
-
-	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
-
-	return 0;
-}
-
-static void dpi_set_timings(struct omap_dss_device *dssdev,
+void dpi_set_timings(struct omap_dss_device *dssdev,
 			struct omap_video_timings *timings)
 {
 	DSSDBG("dpi_set_timings\n");
@@ -285,8 +237,9 @@ static void dpi_set_timings(struct omap_dss_device *dssdev,
 		dispc_go(OMAP_DSS_CHANNEL_LCD);
 	}
 }
+EXPORT_SYMBOL(dpi_set_timings);
 
-static int dpi_check_timings(struct omap_dss_device *dssdev,
+int dpi_check_timings(struct omap_dss_device *dssdev,
 			struct omap_video_timings *timings)
 {
 	bool is_tft;
@@ -340,56 +293,25 @@ static int dpi_check_timings(struct omap_dss_device *dssdev,
 
 	return 0;
 }
-
-static void dpi_get_timings(struct omap_dss_device *dssdev,
-			struct omap_video_timings *timings)
-{
-	*timings = dssdev->panel.timings;
-}
-
-static int dpi_display_set_update_mode(struct omap_dss_device *dssdev,
-		enum omap_dss_update_mode mode)
-{
-	if (mode == OMAP_DSS_UPDATE_MANUAL)
-		return -EINVAL;
-
-	if (mode == OMAP_DSS_UPDATE_DISABLED) {
-		dispc_enable_lcd_out(0);
-		dpi.update_enabled = 0;
-	} else {
-		dispc_enable_lcd_out(1);
-		dpi.update_enabled = 1;
-	}
-
-	return 0;
-}
-
-static enum omap_dss_update_mode dpi_display_get_update_mode(
-		struct omap_dss_device *dssdev)
-{
-	return dpi.update_enabled ? OMAP_DSS_UPDATE_AUTO :
-		OMAP_DSS_UPDATE_DISABLED;
-}
+EXPORT_SYMBOL(dpi_check_timings);
 
 int dpi_init_display(struct omap_dss_device *dssdev)
 {
 	DSSDBG("init_display\n");
 
-	dssdev->enable = dpi_display_enable;
-	dssdev->disable = dpi_display_disable;
-	dssdev->suspend = dpi_display_suspend;
-	dssdev->resume = dpi_display_resume;
-	dssdev->set_timings = dpi_set_timings;
-	dssdev->check_timings = dpi_check_timings;
-	dssdev->get_timings = dpi_get_timings;
-	dssdev->set_update_mode = dpi_display_set_update_mode;
-	dssdev->get_update_mode = dpi_display_get_update_mode;
-
 	return 0;
 }
 
-int dpi_init(void)
+int dpi_init(struct platform_device *pdev)
 {
+	if (cpu_is_omap34xx()) {
+		dpi.vdds_dsi_reg = dss_get_vdds_dsi();
+		if (IS_ERR(dpi.vdds_dsi_reg)) {
+			DSSERR("can't get VDDS_DSI regulator\n");
+			return PTR_ERR(dpi.vdds_dsi_reg);
+		}
+	}
+
 	return 0;
 }
 

drivers/video/omap2/dss/dss.c

@@ -68,6 +68,9 @@ static struct {
 	struct dss_clock_info cache_dss_cinfo;
 	struct dispc_clock_info cache_dispc_cinfo;
 
+	enum dss_clk_source dsi_clk_source;
+	enum dss_clk_source dispc_clk_source;
+
 	u32		ctx[DSS_SZ_REGS / sizeof(u32)];
 } dss;
 
@@ -247,23 +250,42 @@ void dss_dump_regs(struct seq_file *s)
 #undef DUMPREG
 }
 
-void dss_select_clk_source(bool dsi, bool dispc)
+void dss_select_dispc_clk_source(enum dss_clk_source clk_src)
+{
+	int b;
+
+	BUG_ON(clk_src != DSS_SRC_DSI1_PLL_FCLK &&
+			clk_src != DSS_SRC_DSS1_ALWON_FCLK);
+
+	b = clk_src == DSS_SRC_DSS1_ALWON_FCLK ? 0 : 1;
+
+	REG_FLD_MOD(DSS_CONTROL, b, 0, 0);	/* DISPC_CLK_SWITCH */
+
+	dss.dispc_clk_source = clk_src;
+}
+
+void dss_select_dsi_clk_source(enum dss_clk_source clk_src)
 {
-	u32 r;
-	r = dss_read_reg(DSS_CONTROL);
-	r = FLD_MOD(r, dsi, 1, 1);	/* DSI_CLK_SWITCH */
-	r = FLD_MOD(r, dispc, 0, 0);	/* DISPC_CLK_SWITCH */
-	dss_write_reg(DSS_CONTROL, r);
+	int b;
+
+	BUG_ON(clk_src != DSS_SRC_DSI2_PLL_FCLK &&
+			clk_src != DSS_SRC_DSS1_ALWON_FCLK);
+
+	b = clk_src == DSS_SRC_DSS1_ALWON_FCLK ? 0 : 1;
+
+	REG_FLD_MOD(DSS_CONTROL, b, 1, 1);	/* DSI_CLK_SWITCH */
+
+	dss.dsi_clk_source = clk_src;
 }
 
-int dss_get_dsi_clk_source(void)
+enum dss_clk_source dss_get_dispc_clk_source(void)
 {
-	return FLD_GET(dss_read_reg(DSS_CONTROL), 1, 1);
+	return dss.dispc_clk_source;
 }
 
-int dss_get_dispc_clk_source(void)
+enum dss_clk_source dss_get_dsi_clk_source(void)
 {
-	return FLD_GET(dss_read_reg(DSS_CONTROL), 0, 0);
+	return dss.dsi_clk_source;
 }
 
 /* calculate clock rates using dividers in cinfo */

drivers/video/omap2/dss/dss.h

@@ -119,6 +119,12 @@ enum dss_clock {
 	DSS_CLK_96M	= 1 << 4,
 };
 
+enum dss_clk_source {
+	DSS_SRC_DSI1_PLL_FCLK,
+	DSS_SRC_DSI2_PLL_FCLK,
+	DSS_SRC_DSS1_ALWON_FCLK,
+};
+
 struct dss_clock_info {
 	/* rates that we get with dividers below */
 	unsigned long fck;
@@ -169,6 +175,9 @@ unsigned long dss_clk_get_rate(enum dss_clock clk);
 int dss_need_ctx_restore(void);
 void dss_dump_clocks(struct seq_file *s);
 struct bus_type *dss_get_bus(void);
+struct regulator *dss_get_vdds_dsi(void);
+struct regulator *dss_get_vdds_sdi(void);
+struct regulator *dss_get_vdda_dac(void);
 
 /* display */
 int dss_suspend_all_devices(void);
@@ -216,9 +225,11 @@ void dss_sdi_init(u8 datapairs);
 int dss_sdi_enable(void);
 void dss_sdi_disable(void);
 
-void dss_select_clk_source(bool dsi, bool dispc);
-int dss_get_dsi_clk_source(void);
-int dss_get_dispc_clk_source(void);
+void dss_select_dispc_clk_source(enum dss_clk_source clk_src);
+void dss_select_dsi_clk_source(enum dss_clk_source clk_src);
+enum dss_clk_source dss_get_dispc_clk_source(void);
+enum dss_clk_source dss_get_dsi_clk_source(void);
+
 void dss_set_venc_output(enum omap_dss_venc_type type);
 void dss_set_dac_pwrdn_bgz(bool enable);
 
@@ -261,7 +272,7 @@ void dsi_get_overlay_fifo_thresholds(enum omap_plane plane,
 		u32 *fifo_low, u32 *fifo_high);
 
 /* DPI */
-int dpi_init(void);
+int dpi_init(struct platform_device *pdev);
 void dpi_exit(void);
 int dpi_init_display(struct omap_dss_device *dssdev);
 
@@ -313,8 +324,8 @@ int dispc_setup_plane(enum omap_plane plane,
 
 bool dispc_go_busy(enum omap_channel channel);
 void dispc_go(enum omap_channel channel);
-void dispc_enable_lcd_out(bool enable);
-void dispc_enable_digit_out(bool enable);
+void dispc_enable_channel(enum omap_channel channel, bool enable);
+bool dispc_is_channel_enabled(enum omap_channel channel);
 int dispc_enable_plane(enum omap_plane plane, bool enable);
 void dispc_enable_replication(enum omap_plane plane, bool enable);
 

drivers/video/omap2/dss/manager.c

@@ -501,6 +501,19 @@ static int omap_dss_unset_device(struct omap_overlay_manager *mgr)
 	return 0;
 }
 
+static int dss_mgr_wait_for_vsync(struct omap_overlay_manager *mgr)
+{
+	unsigned long timeout = msecs_to_jiffies(500);
+	u32 irq;
+
+	if (mgr->device->type == OMAP_DISPLAY_TYPE_VENC)
+		irq = DISPC_IRQ_EVSYNC_ODD;
+	else
+		irq = DISPC_IRQ_VSYNC;
+
+	return omap_dispc_wait_for_irq_interruptible_timeout(irq, timeout);
+}
+
 static int dss_mgr_wait_for_go(struct omap_overlay_manager *mgr)
 {
 	unsigned long timeout = msecs_to_jiffies(500);
@@ -509,17 +522,18 @@ static int dss_mgr_wait_for_go(struct omap_overlay_manager *mgr)
 	u32 irq;
 	int r;
 	int i;
+	struct omap_dss_device *dssdev = mgr->device;
 
-	if (!mgr->device)
+	if (!dssdev)
 		return 0;
 
-	if (mgr->device->type == OMAP_DISPLAY_TYPE_VENC) {
+	if (dssdev->type == OMAP_DISPLAY_TYPE_VENC) {
 		irq = DISPC_IRQ_EVSYNC_ODD | DISPC_IRQ_EVSYNC_EVEN;
 		channel = OMAP_DSS_CHANNEL_DIGIT;
 	} else {
-		if (mgr->device->caps & OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE) {
+		if (dssdev->caps & OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE) {
 			enum omap_dss_update_mode mode;
-			mode = mgr->device->get_update_mode(mgr->device);
+			mode = dssdev->driver->get_update_mode(dssdev);
 			if (mode != OMAP_DSS_UPDATE_AUTO)
 				return 0;
 
@@ -592,7 +606,7 @@ int dss_mgr_wait_for_go_ovl(struct omap_overlay *ovl)
 	} else {
 		if (dssdev->caps & OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE) {
 			enum omap_dss_update_mode mode;
-			mode = dssdev->get_update_mode(dssdev);
+			mode = dssdev->driver->get_update_mode(dssdev);
 			if (mode != OMAP_DSS_UPDATE_AUTO)
 				return 0;
 
@@ -1064,7 +1078,7 @@ void dss_start_update(struct omap_dss_device *dssdev)
 		mc->shadow_dirty = false;
 	}
 
-	dispc_enable_lcd_out(1);
+	dssdev->manager->enable(dssdev->manager);
 }
 
 static void dss_apply_irq_handler(void *data, u32 mask)
@@ -1196,7 +1210,8 @@ static int omap_dss_mgr_apply(struct omap_overlay_manager *mgr)
 
 		oc->manual_update =
 			dssdev->caps & OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE &&
-			dssdev->get_update_mode(dssdev) != OMAP_DSS_UPDATE_AUTO;
+			dssdev->driver->get_update_mode(dssdev) !=
+				OMAP_DSS_UPDATE_AUTO;
 
 		++num_planes_enabled;
 	}
@@ -1237,7 +1252,8 @@ static int omap_dss_mgr_apply(struct omap_overlay_manager *mgr)
 
 		mc->manual_update =
 			dssdev->caps & OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE &&
-			dssdev->get_update_mode(dssdev) != OMAP_DSS_UPDATE_AUTO;
+			dssdev->driver->get_update_mode(dssdev) !=
+				OMAP_DSS_UPDATE_AUTO;
 	}
 
 	/* XXX TODO: Try to get fifomerge working. The problem is that it
@@ -1351,6 +1367,18 @@ static void omap_dss_mgr_get_info(struct omap_overlay_manager *mgr,
 	*info = mgr->info;
 }
 
+static int dss_mgr_enable(struct omap_overlay_manager *mgr)
+{
+	dispc_enable_channel(mgr->id, 1);
+	return 0;
+}
+
+static int dss_mgr_disable(struct omap_overlay_manager *mgr)
+{
+	dispc_enable_channel(mgr->id, 0);
+	return 0;
+}
+
 static void omap_dss_add_overlay_manager(struct omap_overlay_manager *manager)
 {
 	++num_managers;
@@ -1394,6 +1422,10 @@ int dss_init_overlay_managers(struct platform_device *pdev)
 		mgr->set_manager_info = &omap_dss_mgr_set_info;
 		mgr->get_manager_info = &omap_dss_mgr_get_info;
 		mgr->wait_for_go = &dss_mgr_wait_for_go;
+		mgr->wait_for_vsync = &dss_mgr_wait_for_vsync;
+
+		mgr->enable = &dss_mgr_enable;
+		mgr->disable = &dss_mgr_disable;
 
 		mgr->caps = OMAP_DSS_OVL_MGR_CAP_DISPC;
 

drivers/video/omap2/dss/overlay.c

@@ -350,7 +350,7 @@ int dss_check_overlay(struct omap_overlay *ovl, struct omap_dss_device *dssdev)
 		return -EINVAL;
 	}
 
-	dssdev->get_resolution(dssdev, &dw, &dh);
+	dssdev->driver->get_resolution(dssdev, &dw, &dh);
 
 	DSSDBG("check_overlay %d: (%d,%d %dx%d -> %dx%d) disp (%dx%d)\n",
 			ovl->id,

drivers/video/omap2/omapfb/Kconfig

@@ -16,16 +16,7 @@ config FB_OMAP2_DEBUG_SUPPORT
 	depends on FB_OMAP2
 	help
 	  Support for debug output. You have to enable the actual printing
-	  with debug module parameter.
-
-config FB_OMAP2_FORCE_AUTO_UPDATE
-	bool "Force main display to automatic update mode"
-	depends on FB_OMAP2
-	help
-	  Forces main display to automatic update mode (if possible),
-	  and also enables tearsync (if possible). By default
-	  displays that support manual update are started in manual
-	  update mode.
+	  with 'debug' module parameter.
 
 config FB_OMAP2_NUM_FBS
 	int "Number of framebuffers"

drivers/video/omap2/omapfb/omapfb.h

@@ -83,6 +83,12 @@ struct omapfb2_device {
 	struct omap_overlay *overlays[10];
 	unsigned num_managers;
 	struct omap_overlay_manager *managers[10];
+
+	unsigned num_bpp_overrides;
+	struct {
+		struct omap_dss_device *dssdev;
+		u8 bpp;
+	} bpp_overrides[10];
 };
 
 struct omapfb_colormode {
@@ -105,6 +111,9 @@ void omapfb_remove_sysfs(struct omapfb2_device *fbdev);
 
 int omapfb_ioctl(struct fb_info *fbi, unsigned int cmd, unsigned long arg);
 
+int omapfb_update_window(struct fb_info *fbi,
+		u32 x, u32 y, u32 w, u32 h);
+
 int dss_mode_to_fb_mode(enum omap_color_mode dssmode,
 			struct fb_var_screeninfo *var);
 

include/linux/Kbuild

@@ -126,6 +126,7 @@ header-y += nfs2.h
 header-y += nfs4_mount.h
 header-y += nfs_mount.h
 header-y += nl80211.h
+header-y += omapfb.h
 header-y += param.h
 header-y += pci_regs.h
 header-y += perf_event.h

include/linux/omapfb.h

@@ -57,6 +57,7 @@
 #define OMAPFB_WAITFORGO	OMAP_IO(60)
 #define OMAPFB_GET_VRAM_INFO	OMAP_IOR(61, struct omapfb_vram_info)
 #define OMAPFB_SET_TEARSYNC	OMAP_IOW(62, struct omapfb_tearsync_info)
+#define OMAPFB_GET_DISPLAY_INFO	OMAP_IOR(63, struct omapfb_display_info)
 
 #define OMAPFB_CAPS_GENERIC_MASK	0x00000fff
 #define OMAPFB_CAPS_LCDC_MASK		0x00fff000
@@ -206,6 +207,14 @@ struct omapfb_tearsync_info {
 	__u16 reserved2;
 };
 
+struct omapfb_display_info {
+	__u16 xres;
+	__u16 yres;
+	__u32 width;	/* phys width of the display in micrometers */
+	__u32 height;	/* phys height of the display in micrometers */
+	__u32 reserved[5];
+};
+
 #ifdef __KERNEL__
 
 #include <plat/board.h>