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linux/include/video/omapdss.h
Tomi Valkeinen c49d005b6c OMAPDSS: HDMI: PHY burnout fix 
A hardware bug in the OMAP4 HDMI PHY causes physical damage to the board
if the HDMI PHY is kept powered on when the cable is not connected.

This patch solves the problem by adding hot-plug-detection into the HDMI
IP driver. This is not a real HPD support in the sense that nobody else
than the IP driver gets to know about the HPD events, but is only meant
to fix the HW bug.

The strategy is simple: If the display device is turned off by the user,
the PHY power is set to OFF. When the display device is turned on by the
user, the PHY power is set either to LDOON or TXON, depending on whether
the HDMI cable is connected.

The reason to avoid PHY OFF when the display device is on, but the cable
is disconnected, is that when the PHY is turned OFF, the HDMI IP is not
"ticking" and thus the DISPC does not receive pixel clock from the HDMI
IP. This would, for example, prevent any VSYNCs from happening, and
would thus affect the users of omapdss. By using LDOON when the cable is
disconnected we'll avoid the HW bug, but keep the HDMI working as usual
from the user's point of view.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2012-01-26 13:51:36 +02:00

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/*
* 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/>.
*/
#ifndef __OMAP_OMAPDSS_H
#define __OMAP_OMAPDSS_H
#include <linux/list.h>
#include <linux/kobject.h>
#include <linux/device.h>
#define DISPC_IRQ_FRAMEDONE (1 << 0)
#define DISPC_IRQ_VSYNC (1 << 1)
#define DISPC_IRQ_EVSYNC_EVEN (1 << 2)
#define DISPC_IRQ_EVSYNC_ODD (1 << 3)
#define DISPC_IRQ_ACBIAS_COUNT_STAT (1 << 4)
#define DISPC_IRQ_PROG_LINE_NUM (1 << 5)
#define DISPC_IRQ_GFX_FIFO_UNDERFLOW (1 << 6)
#define DISPC_IRQ_GFX_END_WIN (1 << 7)
#define DISPC_IRQ_PAL_GAMMA_MASK (1 << 8)
#define DISPC_IRQ_OCP_ERR (1 << 9)
#define DISPC_IRQ_VID1_FIFO_UNDERFLOW (1 << 10)
#define DISPC_IRQ_VID1_END_WIN (1 << 11)
#define DISPC_IRQ_VID2_FIFO_UNDERFLOW (1 << 12)
#define DISPC_IRQ_VID2_END_WIN (1 << 13)
#define DISPC_IRQ_SYNC_LOST (1 << 14)
#define DISPC_IRQ_SYNC_LOST_DIGIT (1 << 15)
#define DISPC_IRQ_WAKEUP (1 << 16)
#define DISPC_IRQ_SYNC_LOST2 (1 << 17)
#define DISPC_IRQ_VSYNC2 (1 << 18)
#define DISPC_IRQ_VID3_END_WIN (1 << 19)
#define DISPC_IRQ_VID3_FIFO_UNDERFLOW (1 << 20)
#define DISPC_IRQ_ACBIAS_COUNT_STAT2 (1 << 21)
#define DISPC_IRQ_FRAMEDONE2 (1 << 22)
#define DISPC_IRQ_FRAMEDONEWB (1 << 23)
#define DISPC_IRQ_FRAMEDONETV (1 << 24)
#define DISPC_IRQ_WBBUFFEROVERFLOW (1 << 25)
struct omap_dss_device;
struct omap_overlay_manager;
enum omap_display_type {
OMAP_DISPLAY_TYPE_NONE = 0,
OMAP_DISPLAY_TYPE_DPI = 1 << 0,
OMAP_DISPLAY_TYPE_DBI = 1 << 1,
OMAP_DISPLAY_TYPE_SDI = 1 << 2,
OMAP_DISPLAY_TYPE_DSI = 1 << 3,
OMAP_DISPLAY_TYPE_VENC = 1 << 4,
OMAP_DISPLAY_TYPE_HDMI = 1 << 5,
};
enum omap_plane {
OMAP_DSS_GFX = 0,
OMAP_DSS_VIDEO1 = 1,
OMAP_DSS_VIDEO2 = 2,
OMAP_DSS_VIDEO3 = 3,
};
enum omap_channel {
OMAP_DSS_CHANNEL_LCD = 0,
OMAP_DSS_CHANNEL_DIGIT = 1,
OMAP_DSS_CHANNEL_LCD2 = 2,
};
enum omap_color_mode {
OMAP_DSS_COLOR_CLUT1 = 1 << 0, /* BITMAP 1 */
OMAP_DSS_COLOR_CLUT2 = 1 << 1, /* BITMAP 2 */
OMAP_DSS_COLOR_CLUT4 = 1 << 2, /* BITMAP 4 */
OMAP_DSS_COLOR_CLUT8 = 1 << 3, /* BITMAP 8 */
OMAP_DSS_COLOR_RGB12U = 1 << 4, /* RGB12, 16-bit container */
OMAP_DSS_COLOR_ARGB16 = 1 << 5, /* ARGB16 */
OMAP_DSS_COLOR_RGB16 = 1 << 6, /* RGB16 */
OMAP_DSS_COLOR_RGB24U = 1 << 7, /* RGB24, 32-bit container */
OMAP_DSS_COLOR_RGB24P = 1 << 8, /* RGB24, 24-bit container */
OMAP_DSS_COLOR_YUV2 = 1 << 9, /* YUV2 4:2:2 co-sited */
OMAP_DSS_COLOR_UYVY = 1 << 10, /* UYVY 4:2:2 co-sited */
OMAP_DSS_COLOR_ARGB32 = 1 << 11, /* ARGB32 */
OMAP_DSS_COLOR_RGBA32 = 1 << 12, /* RGBA32 */
OMAP_DSS_COLOR_RGBX32 = 1 << 13, /* RGBx32 */
OMAP_DSS_COLOR_NV12 = 1 << 14, /* NV12 format: YUV 4:2:0 */
OMAP_DSS_COLOR_RGBA16 = 1 << 15, /* RGBA16 - 4444 */
OMAP_DSS_COLOR_RGBX16 = 1 << 16, /* RGBx16 - 4444 */
OMAP_DSS_COLOR_ARGB16_1555 = 1 << 17, /* ARGB16 - 1555 */
OMAP_DSS_COLOR_XRGB16_1555 = 1 << 18, /* xRGB16 - 1555 */
};
enum omap_lcd_display_type {
OMAP_DSS_LCD_DISPLAY_STN,
OMAP_DSS_LCD_DISPLAY_TFT,
};
enum omap_dss_load_mode {
OMAP_DSS_LOAD_CLUT_AND_FRAME = 0,
OMAP_DSS_LOAD_CLUT_ONLY = 1,
OMAP_DSS_LOAD_FRAME_ONLY = 2,
OMAP_DSS_LOAD_CLUT_ONCE_FRAME = 3,
};
enum omap_dss_trans_key_type {
OMAP_DSS_COLOR_KEY_GFX_DST = 0,
OMAP_DSS_COLOR_KEY_VID_SRC = 1,
};
enum omap_rfbi_te_mode {
OMAP_DSS_RFBI_TE_MODE_1 = 1,
OMAP_DSS_RFBI_TE_MODE_2 = 2,
};
enum omap_panel_config {
OMAP_DSS_LCD_IVS = 1<<0,
OMAP_DSS_LCD_IHS = 1<<1,
OMAP_DSS_LCD_IPC = 1<<2,
OMAP_DSS_LCD_IEO = 1<<3,
OMAP_DSS_LCD_RF = 1<<4,
OMAP_DSS_LCD_ONOFF = 1<<5,
OMAP_DSS_LCD_TFT = 1<<20,
};
enum omap_dss_venc_type {
OMAP_DSS_VENC_TYPE_COMPOSITE,
OMAP_DSS_VENC_TYPE_SVIDEO,
};
enum omap_dss_dsi_pixel_format {
OMAP_DSS_DSI_FMT_RGB888,
OMAP_DSS_DSI_FMT_RGB666,
OMAP_DSS_DSI_FMT_RGB666_PACKED,
OMAP_DSS_DSI_FMT_RGB565,
};
enum omap_dss_dsi_mode {
OMAP_DSS_DSI_CMD_MODE = 0,
OMAP_DSS_DSI_VIDEO_MODE,
};
enum omap_display_caps {
OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE = 1 << 0,
OMAP_DSS_DISPLAY_CAP_TEAR_ELIM = 1 << 1,
};
enum omap_dss_display_state {
OMAP_DSS_DISPLAY_DISABLED = 0,
OMAP_DSS_DISPLAY_ACTIVE,
OMAP_DSS_DISPLAY_SUSPENDED,
};
/* XXX perhaps this should be removed */
enum omap_dss_overlay_managers {
OMAP_DSS_OVL_MGR_LCD,
OMAP_DSS_OVL_MGR_TV,
OMAP_DSS_OVL_MGR_LCD2,
};
enum omap_dss_rotation_type {
OMAP_DSS_ROT_DMA = 0,
OMAP_DSS_ROT_VRFB = 1,
};
/* clockwise rotation angle */
enum omap_dss_rotation_angle {
OMAP_DSS_ROT_0 = 0,
OMAP_DSS_ROT_90 = 1,
OMAP_DSS_ROT_180 = 2,
OMAP_DSS_ROT_270 = 3,
};
enum omap_overlay_caps {
OMAP_DSS_OVL_CAP_SCALE = 1 << 0,
OMAP_DSS_OVL_CAP_GLOBAL_ALPHA = 1 << 1,
OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA = 1 << 2,
OMAP_DSS_OVL_CAP_ZORDER = 1 << 3,
};
enum omap_overlay_manager_caps {
OMAP_DSS_DUMMY_VALUE, /* add a dummy value to prevent compiler error */
};
enum omap_dss_clk_source {
OMAP_DSS_CLK_SRC_FCK = 0, /* OMAP2/3: DSS1_ALWON_FCLK
* OMAP4: DSS_FCLK */
OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC, /* OMAP3: DSI1_PLL_FCLK
* OMAP4: PLL1_CLK1 */
OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI, /* OMAP3: DSI2_PLL_FCLK
* OMAP4: PLL1_CLK2 */
OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC, /* OMAP4: PLL2_CLK1 */
OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DSI, /* OMAP4: PLL2_CLK2 */
};
enum omap_hdmi_flags {
OMAP_HDMI_SDA_SCL_EXTERNAL_PULLUP = 1 << 0,
};
/* RFBI */
struct rfbi_timings {
int cs_on_time;
int cs_off_time;
int we_on_time;
int we_off_time;
int re_on_time;
int re_off_time;
int we_cycle_time;
int re_cycle_time;
int cs_pulse_width;
int access_time;
int clk_div;
u32 tim[5]; /* set by rfbi_convert_timings() */
int converted;
};
void omap_rfbi_write_command(const void *buf, u32 len);
void omap_rfbi_read_data(void *buf, u32 len);
void omap_rfbi_write_data(const void *buf, u32 len);
void omap_rfbi_write_pixels(const void __iomem *buf, int scr_width,
u16 x, u16 y,
u16 w, u16 h);
int omap_rfbi_enable_te(bool enable, unsigned line);
int omap_rfbi_setup_te(enum omap_rfbi_te_mode mode,
unsigned hs_pulse_time, unsigned vs_pulse_time,
int hs_pol_inv, int vs_pol_inv, int extif_div);
void rfbi_bus_lock(void);
void rfbi_bus_unlock(void);
/* DSI */
struct omap_dss_dsi_videomode_data {
/* DSI video mode blanking data */
/* Unit: byte clock cycles */
u16 hsa;
u16 hfp;
u16 hbp;
/* Unit: line clocks */
u16 vsa;
u16 vfp;
u16 vbp;
/* DSI blanking modes */
int blanking_mode;
int hsa_blanking_mode;
int hbp_blanking_mode;
int hfp_blanking_mode;
/* Video port sync events */
int vp_de_pol;
int vp_hsync_pol;
int vp_vsync_pol;
bool vp_vsync_end;
bool vp_hsync_end;
bool ddr_clk_always_on;
int window_sync;
};
void dsi_bus_lock(struct omap_dss_device *dssdev);
void dsi_bus_unlock(struct omap_dss_device *dssdev);
int dsi_vc_dcs_write(struct omap_dss_device *dssdev, int channel, u8 *data,
int len);
int dsi_vc_generic_write(struct omap_dss_device *dssdev, int channel, u8 *data,
int len);
int dsi_vc_dcs_write_0(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd);
int dsi_vc_generic_write_0(struct omap_dss_device *dssdev, int channel);
int dsi_vc_dcs_write_1(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd,
u8 param);
int dsi_vc_generic_write_1(struct omap_dss_device *dssdev, int channel,
u8 param);
int dsi_vc_generic_write_2(struct omap_dss_device *dssdev, int channel,
u8 param1, u8 param2);
int dsi_vc_dcs_write_nosync(struct omap_dss_device *dssdev, int channel,
u8 *data, int len);
int dsi_vc_generic_write_nosync(struct omap_dss_device *dssdev, int channel,
u8 *data, int len);
int dsi_vc_dcs_read(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd,
u8 *buf, int buflen);
int dsi_vc_generic_read_0(struct omap_dss_device *dssdev, int channel, u8 *buf,
int buflen);
int dsi_vc_generic_read_1(struct omap_dss_device *dssdev, int channel, u8 param,
u8 *buf, int buflen);
int dsi_vc_generic_read_2(struct omap_dss_device *dssdev, int channel,
u8 param1, u8 param2, u8 *buf, int buflen);
int dsi_vc_set_max_rx_packet_size(struct omap_dss_device *dssdev, int channel,
u16 len);
int dsi_vc_send_null(struct omap_dss_device *dssdev, int channel);
int dsi_vc_send_bta_sync(struct omap_dss_device *dssdev, int channel);
int dsi_enable_video_output(struct omap_dss_device *dssdev, int channel);
void dsi_disable_video_output(struct omap_dss_device *dssdev, int channel);
/* Board specific data */
struct omap_dss_board_info {
int (*get_context_loss_count)(struct device *dev);
int num_devices;
struct omap_dss_device **devices;
struct omap_dss_device *default_device;
int (*dsi_enable_pads)(int dsi_id, unsigned lane_mask);
void (*dsi_disable_pads)(int dsi_id, unsigned lane_mask);
};
/* Init with the board info */
extern int omap_display_init(struct omap_dss_board_info *board_data);
/* HDMI mux init*/
extern int omap_hdmi_init(enum omap_hdmi_flags flags);
struct omap_display_platform_data {
struct omap_dss_board_info *board_data;
/* TODO: Additional members to be added when PM is considered */
};
struct omap_video_timings {
/* Unit: pixels */
u16 x_res;
/* Unit: pixels */
u16 y_res;
/* Unit: KHz */
u32 pixel_clock;
/* Unit: pixel clocks */
u16 hsw; /* Horizontal synchronization pulse width */
/* Unit: pixel clocks */
u16 hfp; /* Horizontal front porch */
/* Unit: pixel clocks */
u16 hbp; /* Horizontal back porch */
/* Unit: line clocks */
u16 vsw; /* Vertical synchronization pulse width */
/* Unit: line clocks */
u16 vfp; /* Vertical front porch */
/* Unit: line clocks */
u16 vbp; /* Vertical back porch */
};
#ifdef CONFIG_OMAP2_DSS_VENC
/* Hardcoded timings for tv modes. Venc only uses these to
* identify the mode, and does not actually use the configs
* itself. However, the configs should be something that
* a normal monitor can also show */
extern const struct omap_video_timings omap_dss_pal_timings;
extern const struct omap_video_timings omap_dss_ntsc_timings;
#endif
struct omap_dss_cpr_coefs {
s16 rr, rg, rb;
s16 gr, gg, gb;
s16 br, bg, bb;
};
struct omap_overlay_info {
u32 paddr;
u32 p_uv_addr; /* for NV12 format */
u16 screen_width;
u16 width;
u16 height;
enum omap_color_mode color_mode;
u8 rotation;
enum omap_dss_rotation_type rotation_type;
bool mirror;
u16 pos_x;
u16 pos_y;
u16 out_width; /* if 0, out_width == width */
u16 out_height; /* if 0, out_height == height */
u8 global_alpha;
u8 pre_mult_alpha;
u8 zorder;
};
struct omap_overlay {
struct kobject kobj;
struct list_head list;
/* static fields */
const char *name;
enum omap_plane id;
enum omap_color_mode supported_modes;
enum omap_overlay_caps caps;
/* dynamic fields */
struct omap_overlay_manager *manager;
/*
* The following functions do not block:
*
* is_enabled
* set_overlay_info
* get_overlay_info
*
* The rest of the functions may block and cannot be called from
* interrupt context
*/
int (*enable)(struct omap_overlay *ovl);
int (*disable)(struct omap_overlay *ovl);
bool (*is_enabled)(struct omap_overlay *ovl);
int (*set_manager)(struct omap_overlay *ovl,
struct omap_overlay_manager *mgr);
int (*unset_manager)(struct omap_overlay *ovl);
int (*set_overlay_info)(struct omap_overlay *ovl,
struct omap_overlay_info *info);
void (*get_overlay_info)(struct omap_overlay *ovl,
struct omap_overlay_info *info);
int (*wait_for_go)(struct omap_overlay *ovl);
};
struct omap_overlay_manager_info {
u32 default_color;
enum omap_dss_trans_key_type trans_key_type;
u32 trans_key;
bool trans_enabled;
bool partial_alpha_enabled;
bool cpr_enable;
struct omap_dss_cpr_coefs cpr_coefs;
};
struct omap_overlay_manager {
struct kobject kobj;
/* static fields */
const char *name;
enum omap_channel id;
enum omap_overlay_manager_caps caps;
struct list_head overlays;
enum omap_display_type supported_displays;
/* dynamic fields */
struct omap_dss_device *device;
/*
* The following functions do not block:
*
* set_manager_info
* get_manager_info
* apply
*
* The rest of the functions may block and cannot be called from
* interrupt context
*/
int (*set_device)(struct omap_overlay_manager *mgr,
struct omap_dss_device *dssdev);
int (*unset_device)(struct omap_overlay_manager *mgr);
int (*set_manager_info)(struct omap_overlay_manager *mgr,
struct omap_overlay_manager_info *info);
void (*get_manager_info)(struct omap_overlay_manager *mgr,
struct omap_overlay_manager_info *info);
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);
};
struct omap_dss_device {
struct device dev;
enum omap_display_type type;
enum omap_channel channel;
union {
struct {
u8 data_lines;
} dpi;
struct {
u8 channel;
u8 data_lines;
} rfbi;
struct {
u8 datapairs;
} sdi;
struct {
u8 clk_lane;
u8 clk_pol;
u8 data1_lane;
u8 data1_pol;
u8 data2_lane;
u8 data2_pol;
u8 data3_lane;
u8 data3_pol;
u8 data4_lane;
u8 data4_pol;
int module;
bool ext_te;
u8 ext_te_gpio;
} dsi;
struct {
enum omap_dss_venc_type type;
bool invert_polarity;
} venc;
} phy;
struct {
struct {
struct {
u16 lck_div;
u16 pck_div;
enum omap_dss_clk_source lcd_clk_src;
} channel;
enum omap_dss_clk_source dispc_fclk_src;
} dispc;
struct {
/* regn is one greater than TRM's REGN value */
u16 regn;
u16 regm;
u16 regm_dispc;
u16 regm_dsi;
u16 lp_clk_div;
enum omap_dss_clk_source dsi_fclk_src;
} dsi;
struct {
/* regn is one greater than TRM's REGN value */
u16 regn;
u16 regm2;
} hdmi;
} clocks;
struct {
struct omap_video_timings timings;
int acbi; /* ac-bias pin transitions per interrupt */
/* Unit: line clocks */
int acb; /* ac-bias pin frequency */
enum omap_panel_config config;
enum omap_dss_dsi_pixel_format dsi_pix_fmt;
enum omap_dss_dsi_mode dsi_mode;
struct omap_dss_dsi_videomode_data dsi_vm_data;
} panel;
struct {
u8 pixel_size;
struct rfbi_timings rfbi_timings;
} ctrl;
int reset_gpio;
int max_backlight_level;
const char *name;
/* used to match device to driver */
const char *driver_name;
void *data;
struct omap_dss_driver *driver;
/* helper variable for driver suspend/resume */
bool activate_after_resume;
enum omap_display_caps caps;
struct omap_overlay_manager *manager;
enum omap_dss_display_state 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);
};
struct omap_dss_hdmi_data
{
int hpd_gpio;
};
struct omap_dss_driver {
struct device_driver driver;
int (*probe)(struct omap_dss_device *);
void (*remove)(struct omap_dss_device *);
int (*enable)(struct omap_dss_device *display);
void (*disable)(struct omap_dss_device *display);
int (*suspend)(struct omap_dss_device *display);
int (*resume)(struct omap_dss_device *display);
int (*run_test)(struct omap_dss_device *display, int test);
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 (*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 (*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);
void (*get_dimensions)(struct omap_dss_device *dssdev,
u32 *width, u32 *height);
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 (*read_edid)(struct omap_dss_device *dssdev, u8 *buf, int len);
bool (*detect)(struct omap_dss_device *dssdev);
};
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);
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);
struct omap_dss_device *omap_dss_find_device(void *data,
int (*match)(struct omap_dss_device *dssdev, void *data));
int omap_dss_start_device(struct omap_dss_device *dssdev);
void omap_dss_stop_device(struct omap_dss_device *dssdev);
int omap_dss_get_num_overlay_managers(void);
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);
int omap_dispc_wait_for_irq_timeout(u32 irqmask, unsigned long timeout);
int omap_dispc_wait_for_irq_interruptible_timeout(u32 irqmask,
unsigned long timeout);
#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(struct omap_dss_device *dssdev, int channel,
bool enable);
int omapdss_dsi_enable_te(struct omap_dss_device *dssdev, bool enable);
int omap_dsi_update(struct omap_dss_device *dssdev, int channel,
void (*callback)(int, void *), void *data);
int omap_dsi_request_vc(struct omap_dss_device *dssdev, int *channel);
int omap_dsi_set_vc_id(struct omap_dss_device *dssdev, int channel, int vc_id);
void omap_dsi_release_vc(struct omap_dss_device *dssdev, int channel);
int omapdss_dsi_display_enable(struct omap_dss_device *dssdev);
void omapdss_dsi_display_disable(struct omap_dss_device *dssdev,
bool disconnect_lanes, bool enter_ulps);
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);
int omap_rfbi_configure(struct omap_dss_device *dssdev, int pixel_size,
int data_lines);
#endif
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