Merge branch 'linus' into timers/urgent

Get upstream changes so we can apply fixes against them

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

5 files changed, 465 insertions, 42 deletions

diff --git a/include/video/display_timing.h b/include/video/display_timing.h
index 5d0259b..28d9d0d 100644
--- a/include/video/display_timing.h
+++ b/include/video/display_timing.h
@@ -27,6 +27,7 @@ enum display_flags {
 	DISPLAY_FLAGS_PIXDATA_NEGEDGE	= BIT(7),
 	DISPLAY_FLAGS_INTERLACED	= BIT(8),
 	DISPLAY_FLAGS_DOUBLESCAN	= BIT(9),
+	DISPLAY_FLAGS_DOUBLECLK		= BIT(10),
 };
 
 /*
diff --git a/include/video/of_display_timing.h b/include/video/of_display_timing.h
index 8016eb7..79e6697 100644
--- a/include/video/of_display_timing.h
+++ b/include/video/of_display_timing.h
@@ -10,10 +10,13 @@
 #define __LINUX_OF_DISPLAY_TIMING_H
 
 struct device_node;
+struct display_timing;
 struct display_timings;
 
 #define OF_USE_NATIVE_MODE -1
 
+int of_get_display_timing(struct device_node *np, const char *name,
+		struct display_timing *dt);
 struct display_timings *of_get_display_timings(struct device_node *np);
 int of_display_timings_exist(struct device_node *np);
 
diff --git a/include/video/omap-panel-data.h b/include/video/omap-panel-data.h
index 0c3b46d..6b2366f 100644
--- a/include/video/omap-panel-data.h
+++ b/include/video/omap-panel-data.h
@@ -27,6 +27,9 @@
 #ifndef __OMAP_PANEL_DATA_H
 #define __OMAP_PANEL_DATA_H
 
+#include <video/omapdss.h>
+#include <video/display_timing.h>
+
 struct omap_dss_device;
 
 /**
@@ -147,4 +150,210 @@ struct panel_tpo_td043_data {
 	int nreset_gpio;
 };
 
+/**
+ * encoder_tfp410 platform data
+ * @name: name for this display entity
+ * @power_down_gpio: gpio number for PD pin (or -1 if not available)
+ * @data_lines: number of DPI datalines
+ */
+struct encoder_tfp410_platform_data {
+	const char *name;
+	const char *source;
+	int power_down_gpio;
+	int data_lines;
+};
+
+/**
+ * encoder_tpd12s015 platform data
+ * @name: name for this display entity
+ * @ct_cp_hpd_gpio: CT_CP_HPD gpio number
+ * @ls_oe_gpio: LS_OE gpio number
+ * @hpd_gpio: HPD gpio number
+ */
+struct encoder_tpd12s015_platform_data {
+	const char *name;
+	const char *source;
+
+	int ct_cp_hpd_gpio;
+	int ls_oe_gpio;
+	int hpd_gpio;
+};
+
+/**
+ * connector_dvi platform data
+ * @name: name for this display entity
+ * @source: name of the display entity used as a video source
+ * @i2c_bus_num: i2c bus number to be used for reading EDID
+ */
+struct connector_dvi_platform_data {
+	const char *name;
+	const char *source;
+	int i2c_bus_num;
+};
+
+/**
+ * connector_hdmi platform data
+ * @name: name for this display entity
+ * @source: name of the display entity used as a video source
+ */
+struct connector_hdmi_platform_data {
+	const char *name;
+	const char *source;
+};
+
+/**
+ * connector_atv platform data
+ * @name: name for this display entity
+ * @source: name of the display entity used as a video source
+ * @connector_type: composite/svideo
+ * @invert_polarity: invert signal polarity
+ */
+struct connector_atv_platform_data {
+	const char *name;
+	const char *source;
+
+	enum omap_dss_venc_type connector_type;
+	bool invert_polarity;
+};
+
+/**
+ * panel_dpi platform data
+ * @name: name for this display entity
+ * @source: name of the display entity used as a video source
+ * @data_lines: number of DPI datalines
+ * @display_timing: timings for this panel
+ * @backlight_gpio: gpio to enable/disable the backlight (or -1)
+ * @enable_gpio: gpio to enable/disable the panel (or -1)
+ */
+struct panel_dpi_platform_data {
+	const char *name;
+	const char *source;
+
+	int data_lines;
+
+	const struct display_timing *display_timing;
+
+	int backlight_gpio;
+	int enable_gpio;
+};
+
+/**
+ * panel_dsicm platform data
+ * @name: name for this display entity
+ * @source: name of the display entity used as a video source
+ * @reset_gpio: gpio to reset the panel (or -1)
+ * @use_ext_te: use external TE GPIO
+ * @ext_te_gpio: external TE GPIO
+ * @ulps_timeout: time to wait before entering ULPS, 0 = disabled (ms)
+ * @use_dsi_backlight: true if panel uses DSI command to control backlight
+ * @pin_config: DSI pin configuration
+ */
+struct panel_dsicm_platform_data {
+	const char *name;
+	const char *source;
+
+	int reset_gpio;
+
+	bool use_ext_te;
+	int ext_te_gpio;
+
+	unsigned ulps_timeout;
+
+	bool use_dsi_backlight;
+
+	struct omap_dsi_pin_config pin_config;
+};
+
+/**
+ * panel_acx565akm platform data
+ * @name: name for this display entity
+ * @source: name of the display entity used as a video source
+ * @reset_gpio: gpio to reset the panel (or -1)
+ * @datapairs: number of SDI datapairs
+ */
+struct panel_acx565akm_platform_data {
+	const char *name;
+	const char *source;
+
+	int reset_gpio;
+
+	int datapairs;
+};
+
+/**
+ * panel_lb035q02 platform data
+ * @name: name for this display entity
+ * @source: name of the display entity used as a video source
+ * @data_lines: number of DPI datalines
+ * @backlight_gpio: gpio to enable/disable the backlight (or -1)
+ * @enable_gpio: gpio to enable/disable the panel (or -1)
+ */
+struct panel_lb035q02_platform_data {
+	const char *name;
+	const char *source;
+
+	int data_lines;
+
+	int backlight_gpio;
+	int enable_gpio;
+};
+
+/**
+ * panel_sharp_ls037v7dw01 platform data
+ * @name: name for this display entity
+ * @source: name of the display entity used as a video source
+ * @data_lines: number of DPI datalines
+ * @resb_gpio: reset signal GPIO
+ * @ini_gpio: power on control GPIO
+ * @mo_gpio: selection for resolution(VGA/QVGA) GPIO
+ * @lr_gpio: selection for horizontal scanning direction GPIO
+ * @ud_gpio: selection for vertical scanning direction GPIO
+ */
+struct panel_sharp_ls037v7dw01_platform_data {
+	const char *name;
+	const char *source;
+
+	int data_lines;
+
+	int resb_gpio;
+	int ini_gpio;
+	int mo_gpio;
+	int lr_gpio;
+	int ud_gpio;
+};
+
+/**
+ * panel-tpo-td043mtea1 platform data
+ * @name: name for this display entity
+ * @source: name of the display entity used as a video source
+ * @data_lines: number of DPI datalines
+ * @nreset_gpio: reset signal
+ */
+struct panel_tpo_td043mtea1_platform_data {
+	const char *name;
+	const char *source;
+
+	int data_lines;
+
+	int nreset_gpio;
+};
+
+/**
+ * panel-nec-nl8048hl11 platform data
+ * @name: name for this display entity
+ * @source: name of the display entity used as a video source
+ * @data_lines: number of DPI datalines
+ * @res_gpio: reset signal
+ * @qvga_gpio: selection for resolution(QVGA/WVGA)
+ */
+struct panel_nec_nl8048hl11_platform_data {
+	const char *name;
+	const char *source;
+
+	int data_lines;
+
+	int res_gpio;
+	int qvga_gpio;
+};
+
 #endif /* __OMAP_PANEL_DATA_H */
diff --git a/include/video/omapdss.h b/include/video/omapdss.h
index aeb4e9a..b394635 100644
--- a/include/video/omapdss.h
+++ b/include/video/omapdss.h
@@ -23,6 +23,8 @@
 #include <linux/device.h>
 #include <linux/interrupt.h>
 
+#include <video/videomode.h>
+
 #define DISPC_IRQ_FRAMEDONE		(1 << 0)
 #define DISPC_IRQ_VSYNC			(1 << 1)
 #define DISPC_IRQ_EVSYNC_EVEN		(1 << 2)
@@ -68,6 +70,7 @@ enum omap_display_type {
 	OMAP_DISPLAY_TYPE_DSI		= 1 << 3,
 	OMAP_DISPLAY_TYPE_VENC		= 1 << 4,
 	OMAP_DISPLAY_TYPE_HDMI		= 1 << 5,
+	OMAP_DISPLAY_TYPE_DVI		= 1 << 6,
 };
 
 enum omap_plane {
@@ -169,6 +172,11 @@ enum omap_dss_audio_state {
 	OMAP_DSS_AUDIO_PLAYING,
 };
 
+struct omap_dss_audio {
+	struct snd_aes_iec958 *iec;
+	struct snd_cea_861_aud_if *cea;
+};
+
 enum omap_dss_rotation_type {
 	OMAP_DSS_ROT_DMA	= 1 << 0,
 	OMAP_DSS_ROT_VRFB	= 1 << 1,
@@ -365,6 +373,7 @@ struct omap_dss_board_info {
 	int num_devices;
 	struct omap_dss_device **devices;
 	struct omap_dss_device *default_device;
+	const char *default_display_name;
 	int (*dsi_enable_pads)(int dsi_id, unsigned lane_mask);
 	void (*dsi_disable_pads)(int dsi_id, unsigned lane_mask);
 	int (*set_min_bus_tput)(struct device *dev, unsigned long r);
@@ -512,7 +521,7 @@ struct omap_overlay_manager {
 	enum omap_dss_output_id supported_outputs;
 
 	/* dynamic fields */
-	struct omap_dss_output *output;
+	struct omap_dss_device *output;
 
 	/*
 	 * The following functions do not block:
@@ -526,7 +535,7 @@ struct omap_overlay_manager {
 	 */
 
 	int (*set_output)(struct omap_overlay_manager *mgr,
-		struct omap_dss_output *output);
+		struct omap_dss_device *output);
 	int (*unset_output)(struct omap_overlay_manager *mgr);
 
 	int (*set_manager_info)(struct omap_overlay_manager *mgr,
@@ -569,33 +578,192 @@ struct omap_dss_writeback_info {
 	u8 pre_mult_alpha;
 };
 
-struct omap_dss_output {
-	struct list_head list;
+struct omapdss_dpi_ops {
+	int (*connect)(struct omap_dss_device *dssdev,
+			struct omap_dss_device *dst);
+	void (*disconnect)(struct omap_dss_device *dssdev,
+			struct omap_dss_device *dst);
 
-	const char *name;
+	int (*enable)(struct omap_dss_device *dssdev);
+	void (*disable)(struct omap_dss_device *dssdev);
 
-	/* display type supported by the output */
-	enum omap_display_type type;
+	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);
 
-	/* DISPC channel for this output */
-	enum omap_channel dispc_channel;
+	void (*set_data_lines)(struct omap_dss_device *dssdev, int data_lines);
+};
 
-	/* output instance */
-	enum omap_dss_output_id id;
+struct omapdss_sdi_ops {
+	int (*connect)(struct omap_dss_device *dssdev,
+			struct omap_dss_device *dst);
+	void (*disconnect)(struct omap_dss_device *dssdev,
+			struct omap_dss_device *dst);
 
-	/* output's platform device pointer */
-	struct platform_device *pdev;
+	int (*enable)(struct omap_dss_device *dssdev);
+	void (*disable)(struct omap_dss_device *dssdev);
 
-	/* dynamic fields */
-	struct omap_overlay_manager *manager;
+	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);
 
-	struct omap_dss_device *device;
+	void (*set_datapairs)(struct omap_dss_device *dssdev, int datapairs);
+};
+
+struct omapdss_dvi_ops {
+	int (*connect)(struct omap_dss_device *dssdev,
+			struct omap_dss_device *dst);
+	void (*disconnect)(struct omap_dss_device *dssdev,
+			struct omap_dss_device *dst);
+
+	int (*enable)(struct omap_dss_device *dssdev);
+	void (*disable)(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);
+};
+
+struct omapdss_atv_ops {
+	int (*connect)(struct omap_dss_device *dssdev,
+			struct omap_dss_device *dst);
+	void (*disconnect)(struct omap_dss_device *dssdev,
+			struct omap_dss_device *dst);
+
+	int (*enable)(struct omap_dss_device *dssdev);
+	void (*disable)(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);
+
+	void (*set_type)(struct omap_dss_device *dssdev,
+		enum omap_dss_venc_type type);
+	void (*invert_vid_out_polarity)(struct omap_dss_device *dssdev,
+		bool invert_polarity);
+
+	int (*set_wss)(struct omap_dss_device *dssdev, u32 wss);
+	u32 (*get_wss)(struct omap_dss_device *dssdev);
+};
+
+struct omapdss_hdmi_ops {
+	int (*connect)(struct omap_dss_device *dssdev,
+			struct omap_dss_device *dst);
+	void (*disconnect)(struct omap_dss_device *dssdev,
+			struct omap_dss_device *dst);
+
+	int (*enable)(struct omap_dss_device *dssdev);
+	void (*disable)(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 (*read_edid)(struct omap_dss_device *dssdev, u8 *buf, int len);
+	bool (*detect)(struct omap_dss_device *dssdev);
+
+	/*
+	 * Note: These functions might sleep. Do not call while
+	 * holding a spinlock/readlock.
+	 */
+	int (*audio_enable)(struct omap_dss_device *dssdev);
+	void (*audio_disable)(struct omap_dss_device *dssdev);
+	bool (*audio_supported)(struct omap_dss_device *dssdev);
+	int (*audio_config)(struct omap_dss_device *dssdev,
+		struct omap_dss_audio *audio);
+	/* Note: These functions may not sleep */
+	int (*audio_start)(struct omap_dss_device *dssdev);
+	void (*audio_stop)(struct omap_dss_device *dssdev);
+};
+
+struct omapdss_dsi_ops {
+	int (*connect)(struct omap_dss_device *dssdev,
+			struct omap_dss_device *dst);
+	void (*disconnect)(struct omap_dss_device *dssdev,
+			struct omap_dss_device *dst);
+
+	int (*enable)(struct omap_dss_device *dssdev);
+	void (*disable)(struct omap_dss_device *dssdev, bool disconnect_lanes,
+			bool enter_ulps);
+
+	/* bus configuration */
+	int (*set_config)(struct omap_dss_device *dssdev,
+			const struct omap_dss_dsi_config *cfg);
+	int (*configure_pins)(struct omap_dss_device *dssdev,
+			const struct omap_dsi_pin_config *pin_cfg);
+
+	void (*enable_hs)(struct omap_dss_device *dssdev, int channel,
+			bool enable);
+	int (*enable_te)(struct omap_dss_device *dssdev, bool enable);
+
+	int (*update)(struct omap_dss_device *dssdev, int channel,
+			void (*callback)(int, void *), void *data);
+
+	void (*bus_lock)(struct omap_dss_device *dssdev);
+	void (*bus_unlock)(struct omap_dss_device *dssdev);
+
+	int (*enable_video_output)(struct omap_dss_device *dssdev, int channel);
+	void (*disable_video_output)(struct omap_dss_device *dssdev,
+			int channel);
+
+	int (*request_vc)(struct omap_dss_device *dssdev, int *channel);
+	int (*set_vc_id)(struct omap_dss_device *dssdev, int channel,
+			int vc_id);
+	void (*release_vc)(struct omap_dss_device *dssdev, int channel);
+
+	/* data transfer */
+	int (*dcs_write)(struct omap_dss_device *dssdev, int channel,
+			u8 *data, int len);
+	int (*dcs_write_nosync)(struct omap_dss_device *dssdev, int channel,
+			u8 *data, int len);
+	int (*dcs_read)(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd,
+			u8 *data, int len);
+
+	int (*gen_write)(struct omap_dss_device *dssdev, int channel,
+			u8 *data, int len);
+	int (*gen_write_nosync)(struct omap_dss_device *dssdev, int channel,
+			u8 *data, int len);
+	int (*gen_read)(struct omap_dss_device *dssdev, int channel,
+			u8 *reqdata, int reqlen,
+			u8 *data, int len);
+
+	int (*bta_sync)(struct omap_dss_device *dssdev, int channel);
+
+	int (*set_max_rx_packet_size)(struct omap_dss_device *dssdev,
+			int channel, u16 plen);
 };
 
 struct omap_dss_device {
-	struct device dev;
+	/* old device, to be removed */
+	struct device old_dev;
+
+	/* new device, pointer to panel device */
+	struct device *dev;
+
+	struct module *owner;
+
+	struct list_head panel_list;
+
+	/* alias in the form of "display%d" */
+	char alias[16];
 
 	enum omap_display_type type;
+	enum omap_display_type output_type;
 
 	/* obsolete, to be removed */
 	enum omap_channel channel;
@@ -616,9 +784,6 @@ struct omap_dss_device {
 
 		struct {
 			int module;
-
-			bool ext_te;
-			u8 ext_te_gpio;
 		} dsi;
 
 		struct {
@@ -639,10 +804,6 @@ struct omap_dss_device {
 		struct rfbi_timings rfbi_timings;
 	} ctrl;
 
-	int reset_gpio;
-
-	int max_backlight_level;
-
 	const char *name;
 
 	/* used to match device to driver */
@@ -652,22 +813,40 @@ struct omap_dss_device {
 
 	struct omap_dss_driver *driver;
 
+	union {
+		const struct omapdss_dpi_ops *dpi;
+		const struct omapdss_sdi_ops *sdi;
+		const struct omapdss_dvi_ops *dvi;
+		const struct omapdss_hdmi_ops *hdmi;
+		const struct omapdss_atv_ops *atv;
+		const struct omapdss_dsi_ops *dsi;
+	} ops;
+
 	/* helper variable for driver suspend/resume */
 	bool activate_after_resume;
 
 	enum omap_display_caps caps;
 
-	struct omap_dss_output *output;
+	struct omap_dss_device *output;
 
 	enum omap_dss_display_state state;
 
 	enum omap_dss_audio_state audio_state;
 
-	/* platform specific  */
-	int (*platform_enable)(struct omap_dss_device *dssdev);
-	void (*platform_disable)(struct omap_dss_device *dssdev);
-	int (*set_backlight)(struct omap_dss_device *dssdev, int level);
-	int (*get_backlight)(struct omap_dss_device *dssdev);
+	/* OMAP DSS output specific fields */
+
+	struct list_head list;
+
+	/* DISPC channel for this output */
+	enum omap_channel dispc_channel;
+
+	/* output instance */
+	enum omap_dss_output_id id;
+
+	/* dynamic fields */
+	struct omap_overlay_manager *manager;
+
+	struct omap_dss_device *device;
 };
 
 struct omap_dss_hdmi_data
@@ -677,17 +856,15 @@ struct omap_dss_hdmi_data
 	int hpd_gpio;
 };
 
-struct omap_dss_audio {
-	struct snd_aes_iec958 *iec;
-	struct snd_cea_861_aud_if *cea;
-};
-
 struct omap_dss_driver {
 	struct device_driver driver;
 
 	int (*probe)(struct omap_dss_device *);
 	void (*remove)(struct omap_dss_device *);
 
+	int (*connect)(struct omap_dss_device *dssdev);
+	void (*disconnect)(struct omap_dss_device *dssdev);
+
 	int (*enable)(struct omap_dss_device *display);
 	void (*disable)(struct omap_dss_device *display);
 	int (*run_test)(struct omap_dss_device *display, int test);
@@ -753,7 +930,10 @@ bool omapdss_is_initialized(void);
 int omap_dss_register_driver(struct omap_dss_driver *);
 void omap_dss_unregister_driver(struct omap_dss_driver *);
 
-void omap_dss_get_device(struct omap_dss_device *dssdev);
+int omapdss_register_display(struct omap_dss_device *dssdev);
+void omapdss_unregister_display(struct omap_dss_device *dssdev);
+
+struct omap_dss_device *omap_dss_get_device(struct omap_dss_device *dssdev);
 void omap_dss_put_device(struct omap_dss_device *dssdev);
 #define for_each_dss_dev(d) while ((d = omap_dss_get_next_device(d)) != NULL)
 struct omap_dss_device *omap_dss_get_next_device(struct omap_dss_device *from);
@@ -761,8 +941,10 @@ struct omap_dss_device *omap_dss_find_device(void *data,
 		int (*match)(struct omap_dss_device *dssdev, void *data));
 const char *omapdss_get_default_display_name(void);
 
-int omap_dss_start_device(struct omap_dss_device *dssdev);
-void omap_dss_stop_device(struct omap_dss_device *dssdev);
+void videomode_to_omap_video_timings(const struct videomode *vm,
+		struct omap_video_timings *ovt);
+void omap_video_timings_to_videomode(const struct omap_video_timings *ovt,
+		struct videomode *vm);
 
 int dss_feat_get_num_mgrs(void);
 int dss_feat_get_num_ovls(void);
@@ -778,10 +960,17 @@ 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);
 
-struct omap_dss_output *omap_dss_get_output(enum omap_dss_output_id id);
-int omapdss_output_set_device(struct omap_dss_output *out,
+int omapdss_register_output(struct omap_dss_device *output);
+void omapdss_unregister_output(struct omap_dss_device *output);
+struct omap_dss_device *omap_dss_get_output(enum omap_dss_output_id id);
+struct omap_dss_device *omap_dss_find_output(const char *name);
+struct omap_dss_device *omap_dss_find_output_by_node(struct device_node *node);
+int omapdss_output_set_device(struct omap_dss_device *out,
 		struct omap_dss_device *dssdev);
-int omapdss_output_unset_device(struct omap_dss_output *out);
+int omapdss_output_unset_device(struct omap_dss_device *out);
+
+struct omap_dss_device *omapdss_find_output_from_display(struct omap_dss_device *dssdev);
+struct omap_overlay_manager *omapdss_find_mgr_from_display(struct omap_dss_device *dssdev);
 
 void omapdss_default_get_resolution(struct omap_dss_device *dssdev,
 		u16 *xres, u16 *yres);
@@ -832,7 +1021,7 @@ int dispc_ovl_setup(enum omap_plane plane, const struct omap_overlay_info *oi,
 		bool mem_to_mem);
 
 #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)
+#define to_dss_device(x) container_of((x), struct omap_dss_device, old_dev)
 
 void omapdss_dsi_vc_enable_hs(struct omap_dss_device *dssdev, int channel,
 		bool enable);
@@ -883,6 +1072,11 @@ int omapdss_compat_init(void);
 void omapdss_compat_uninit(void);
 
 struct dss_mgr_ops {
+	int (*connect)(struct omap_overlay_manager *mgr,
+		struct omap_dss_device *dst);
+	void (*disconnect)(struct omap_overlay_manager *mgr,
+		struct omap_dss_device *dst);
+
 	void (*start_update)(struct omap_overlay_manager *mgr);
 	int (*enable)(struct omap_overlay_manager *mgr);
 	void (*disable)(struct omap_overlay_manager *mgr);
@@ -899,6 +1093,10 @@ struct dss_mgr_ops {
 int dss_install_mgr_ops(const struct dss_mgr_ops *mgr_ops);
 void dss_uninstall_mgr_ops(void);
 
+int dss_mgr_connect(struct omap_overlay_manager *mgr,
+		struct omap_dss_device *dst);
+void dss_mgr_disconnect(struct omap_overlay_manager *mgr,
+		struct omap_dss_device *dst);
 void dss_mgr_set_timings(struct omap_overlay_manager *mgr,
 		const struct omap_video_timings *timings);
 void dss_mgr_set_lcd_config(struct omap_overlay_manager *mgr,
@@ -910,4 +1108,15 @@ int dss_mgr_register_framedone_handler(struct omap_overlay_manager *mgr,
 		void (*handler)(void *), void *data);
 void dss_mgr_unregister_framedone_handler(struct omap_overlay_manager *mgr,
 		void (*handler)(void *), void *data);
+
+static inline bool omapdss_device_is_connected(struct omap_dss_device *dssdev)
+{
+	return dssdev->output;
+}
+
+static inline bool omapdss_device_is_enabled(struct omap_dss_device *dssdev)
+{
+	return dssdev->state == OMAP_DSS_DISPLAY_ACTIVE;
+}
+
 #endif
diff --git a/include/video/uvesafb.h b/include/video/uvesafb.h
index 1a91850..30f5362 100644
--- a/include/video/uvesafb.h
+++ b/include/video/uvesafb.h
@@ -134,6 +134,7 @@ struct uvesafb_par {
 
 	int mode_idx;
 	struct vbe_crtc_ib crtc;
+	int mtrr_handle;
 };
 
 #endif /* _UVESAFB_H */