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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>
#include <linux/platform_device.h>
#include <asm/atomic.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_ACBIAS_COUNT_STAT2 (1 << 21)
#define DISPC_IRQ_FRAMEDONE2 (1 << 22)
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
};
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_display_caps {
OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE = 1 << 0,
OMAP_DSS_DISPLAY_CAP_TEAR_ELIM = 1 << 1,
};
enum omap_dss_update_mode {
OMAP_DSS_UPDATE_DISABLED = 0,
OMAP_DSS_UPDATE_AUTO,
OMAP_DSS_UPDATE_MANUAL,
};
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_DISPC = 1 << 1,
};
enum omap_overlay_manager_caps {
OMAP_DSS_OVL_MGR_CAP_DISPC = 1 << 0,
};
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 */
};
/* 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 */
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_dcs_write_0(struct omap_dss_device *dssdev, int channel,
u8 dcs_cmd);
int dsi_vc_dcs_write_1(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd,
u8 param);
int dsi_vc_dcs_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_dcs_read_1(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd,
u8 *data);
int dsi_vc_dcs_read_2(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd,
u8 *data1, u8 *data2);
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);
/* Board specific data */
struct omap_dss_board_info {
int (*get_last_off_on_transaction_id)(struct device *dev);
int num_devices;
struct omap_dss_device **devices;
struct omap_dss_device *default_device;
void (*dsi_mux_pads)(bool enable);
};
#if defined(CONFIG_OMAP2_DSS_MODULE) || defined(CONFIG_OMAP2_DSS)
/* Init with the board info */
extern int omap_display_init(struct omap_dss_board_info *board_data);
#else
static inline int omap_display_init(struct omap_dss_board_info *board_data)
{
return 0;
}
#endif
struct omap_display_platform_data {
struct omap_dss_board_info *board_data;
/* TODO: Additional members to be added when PM is considered */
bool (*opt_clock_available)(const char *clk_role);
};
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_overlay_info {
bool enabled;
u32 paddr;
void __iomem *vaddr;
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;
};
struct omap_overlay {
struct kobject kobj;
struct list_head list;
/* static fields */
const char *name;
int id;
enum omap_color_mode supported_modes;
enum omap_overlay_caps caps;
/* dynamic fields */
struct omap_overlay_manager *manager;
struct omap_overlay_info info;
/* if true, info has been changed, but not applied() yet */
bool info_dirty;
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 alpha_enabled;
};
struct omap_overlay_manager {
struct kobject kobj;
struct list_head list;
/* static fields */
const char *name;
int id;
enum omap_overlay_manager_caps caps;
int num_overlays;
struct omap_overlay **overlays;
enum omap_display_type supported_displays;
/* dynamic fields */
struct omap_dss_device *device;
struct omap_overlay_manager_info info;
bool device_changed;
/* if true, info has been changed but not applied() yet */
bool info_dirty;
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);
int (*enable)(struct omap_overlay_manager *mgr);
int (*disable)(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 {
u16 regn;
u16 regm;
u16 regm_dispc;
u16 regm_dsi;
u16 lp_clk_div;
enum omap_dss_clk_source dsi_fclk_src;
} dsi;
struct {
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;
} 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_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 (*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 (*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 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_prepare_update(struct omap_dss_device *dssdev,
u16 *x, u16 *y, u16 *w, u16 *h,
bool enlarge_update_area);
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 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
