[linux-2.6-block.git] / drivers / video / omap / omapfb.h

/*
 * File: drivers/video/omap/omapfb.h
 *
 * Framebuffer driver for TI OMAP boards
 *
 * Copyright (C) 2004 Nokia Corporation
 * Author: Imre Deak <imre.deak@nokia.com>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2 of the License, or (at your
 * option) any later version.
 *
 * 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, write to the Free Software Foundation, Inc.,
 * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

#ifndef __OMAPFB_H
#define __OMAPFB_H

#include <linux/fb.h>
#include <linux/mutex.h>
#include <linux/omapfb.h>

#define OMAPFB_EVENT_READY	1
#define OMAPFB_EVENT_DISABLED	2

#define OMAP_LCDC_INV_VSYNC             0x0001
#define OMAP_LCDC_INV_HSYNC             0x0002
#define OMAP_LCDC_INV_PIX_CLOCK         0x0004
#define OMAP_LCDC_INV_OUTPUT_EN         0x0008
#define OMAP_LCDC_HSVS_RISING_EDGE      0x0010
#define OMAP_LCDC_HSVS_OPPOSITE         0x0020

#define OMAP_LCDC_SIGNAL_MASK		0x003f

#define OMAP_LCDC_PANEL_TFT		0x0100

#define OMAPFB_PLANE_XRES_MIN		8
#define OMAPFB_PLANE_YRES_MIN		8

struct omapfb_device;

struct lcd_panel {
	const char	*name;
	int		config;		/* TFT/STN, signal inversion */
	int		bpp;		/* Pixel format in fb mem */
	int		data_lines;	/* Lines on LCD HW interface */

	int		x_res, y_res;
	int		pixel_clock;	/* In kHz */
	int		hsw;		/* Horizontal synchronization
					   pulse width */
	int		hfp;		/* Horizontal front porch */
	int		hbp;		/* Horizontal back porch */
	int		vsw;		/* Vertical synchronization
					   pulse width */
	int		vfp;		/* Vertical front porch */
	int		vbp;		/* Vertical back porch */
	int		acb;		/* ac-bias pin frequency */
	int		pcd;		/* pixel clock divider.
					   Obsolete use pixel_clock instead */

	int		(*init)		(struct lcd_panel *panel,
					 struct omapfb_device *fbdev);
	void		(*cleanup)	(struct lcd_panel *panel);
	int		(*enable)	(struct lcd_panel *panel);
	void		(*disable)	(struct lcd_panel *panel);
	unsigned long	(*get_caps)	(struct lcd_panel *panel);
	int		(*set_bklight_level)(struct lcd_panel *panel,
					     unsigned int level);
	unsigned int	(*get_bklight_level)(struct lcd_panel *panel);
	unsigned int	(*get_bklight_max)  (struct lcd_panel *panel);
	int		(*run_test)	(struct lcd_panel *panel, int test_num);
};

struct extif_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 extif->convert_timings */

	int converted;
};

struct lcd_ctrl_extif {
	int  (*init)		(struct omapfb_device *fbdev);
	void (*cleanup)		(void);
	void (*get_clk_info)	(u32 *clk_period, u32 *max_clk_div);
	unsigned long (*get_max_tx_rate)(void);
	int  (*convert_timings)	(struct extif_timings *timings);
	void (*set_timings)	(const struct extif_timings *timings);
	void (*set_bits_per_cycle)(int bpc);
	void (*write_command)	(const void *buf, unsigned int len);
	void (*read_data)	(void *buf, unsigned int len);
	void (*write_data)	(const void *buf, unsigned int len);
	void (*transfer_area)	(int width, int height,
				 void (callback)(void *data), void *data);
	int  (*setup_tearsync)	(unsigned pin_cnt,
				 unsigned hs_pulse_time, unsigned vs_pulse_time,
				 int hs_pol_inv, int vs_pol_inv, int div);
	int  (*enable_tearsync) (int enable, unsigned line);

	unsigned long		max_transmit_size;
};

struct omapfb_notifier_block {
	struct notifier_block	nb;
	void			*data;
	int			plane_idx;
};

typedef int (*omapfb_notifier_callback_t)(struct notifier_block *,
					  unsigned long event,
					  void *fbi);

struct lcd_ctrl {
	const char	*name;
	void		*data;

	int		(*init)		  (struct omapfb_device *fbdev,
					   int ext_mode,
					   struct omapfb_mem_desc *req_md);
	void		(*cleanup)	  (void);
	void		(*bind_client)	  (struct omapfb_notifier_block *nb);
	void		(*get_caps)	  (int plane, struct omapfb_caps *caps);
	int		(*set_update_mode)(enum omapfb_update_mode mode);
	enum omapfb_update_mode (*get_update_mode)(void);
	int		(*setup_plane)	  (int plane, int channel_out,
					   unsigned long offset,
					   int screen_width,
					   int pos_x, int pos_y, int width,
					   int height, int color_mode);
	int		(*set_rotate)	  (int angle);
	int		(*setup_mem)	  (int plane, size_t size,
					   int mem_type, unsigned long *paddr);
	int		(*mmap)		  (struct fb_info *info,
					   struct vm_area_struct *vma);
	int		(*set_scale)	  (int plane,
					   int orig_width, int orig_height,
					   int out_width, int out_height);
	int		(*enable_plane)	  (int plane, int enable);
	int		(*update_window)  (struct fb_info *fbi,
					   struct omapfb_update_window *win,
					   void (*callback)(void *),
					   void *callback_data);
	void		(*sync)		  (void);
	void		(*suspend)	  (void);
	void		(*resume)	  (void);
	int		(*run_test)	  (int test_num);
	int		(*setcolreg)	  (u_int regno, u16 red, u16 green,
					   u16 blue, u16 transp,
					   int update_hw_mem);
	int		(*set_color_key)  (struct omapfb_color_key *ck);
	int		(*get_color_key)  (struct omapfb_color_key *ck);
};

enum omapfb_state {
	OMAPFB_DISABLED		= 0,
	OMAPFB_SUSPENDED	= 99,
	OMAPFB_ACTIVE		= 100
};

struct omapfb_plane_struct {
	int				idx;
	struct omapfb_plane_info	info;
	enum omapfb_color_format	color_mode;
	struct omapfb_device		*fbdev;
};

struct omapfb_device {
	int			state;
	int                     ext_lcdc;		/* Using external
							   LCD controller */
	struct mutex		rqueue_mutex;

	int			palette_size;
	u32			pseudo_palette[17];

	struct lcd_panel	*panel;			/* LCD panel */
	const struct lcd_ctrl	*ctrl;			/* LCD controller */
	const struct lcd_ctrl	*int_ctrl;		/* internal LCD ctrl */
	struct lcd_ctrl_extif	*ext_if;		/* LCD ctrl external
							   interface */
	struct device		*dev;
	struct fb_var_screeninfo	new_var;	/* for mode changes */

	struct omapfb_mem_desc		mem_desc;
	struct fb_info			*fb_info[OMAPFB_PLANE_NUM];

	struct platform_device	*dssdev;	/* dummy dev for clocks */
};

#ifdef CONFIG_ARCH_OMAP1
extern struct lcd_ctrl omap1_lcd_ctrl;
#else
extern struct lcd_ctrl omap2_disp_ctrl;
#endif

extern void omapfb_register_panel(struct lcd_panel *panel);
extern void omapfb_write_first_pixel(struct omapfb_device *fbdev, u16 pixval);
extern void omapfb_notify_clients(struct omapfb_device *fbdev,
				  unsigned long event);
extern int  omapfb_register_client(struct omapfb_notifier_block *nb,
				   omapfb_notifier_callback_t callback,
				   void *callback_data);
extern int  omapfb_unregister_client(struct omapfb_notifier_block *nb);
extern int  omapfb_update_window_async(struct fb_info *fbi,
				       struct omapfb_update_window *win,
				       void (*callback)(void *),
				       void *callback_data);

#endif /* __OMAPFB_H */
Commit	Line	Data
9ad5897c	1	/*
91773a00	2	* File: drivers/video/omap/omapfb.h
9ad5897c TL	3	*
	4	* Framebuffer driver for TI OMAP boards
	5	*
	6	* Copyright (C) 2004 Nokia Corporation
	7	* Author: Imre Deak <imre.deak@nokia.com>
	8	*
	9	* This program is free software; you can redistribute it and/or modify it
	10	* under the terms of the GNU General Public License as published by the
	11	* Free Software Foundation; either version 2 of the License, or (at your
	12	* option) any later version.
	13	*
	14	* This program is distributed in the hope that it will be useful, but
	15	* WITHOUT ANY WARRANTY; without even the implied warranty of
	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	17	* General Public License for more details.
	18	*
	19	* You should have received a copy of the GNU General Public License along
	20	* with this program; if not, write to the Free Software Foundation, Inc.,
	21	* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
	22	*/
	23
	24	#ifndef __OMAPFB_H
	25	#define __OMAPFB_H
	26
9ad5897c	27	#include <linux/fb.h>
0dc5e77c	28	#include <linux/mutex.h>
91773a00	29	#include <linux/omapfb.h>
0dc5e77c	30
91773a00 TV	31	#define OMAPFB_EVENT_READY 1
91773a00 TV	32	#define OMAPFB_EVENT_DISABLED 2
9ad5897c TL	33
	34	#define OMAP_LCDC_INV_VSYNC 0x0001
	35	#define OMAP_LCDC_INV_HSYNC 0x0002
	36	#define OMAP_LCDC_INV_PIX_CLOCK 0x0004
	37	#define OMAP_LCDC_INV_OUTPUT_EN 0x0008
	38	#define OMAP_LCDC_HSVS_RISING_EDGE 0x0010
	39	#define OMAP_LCDC_HSVS_OPPOSITE 0x0020
	40
	41	#define OMAP_LCDC_SIGNAL_MASK 0x003f
	42
	43	#define OMAP_LCDC_PANEL_TFT 0x0100
	44
f4e4c324 TL	45	#define OMAPFB_PLANE_XRES_MIN 8
	46	#define OMAPFB_PLANE_YRES_MIN 8
	47
9ad5897c TL	48	struct omapfb_device;
	49
	50	struct lcd_panel {
	51	const char *name;
	52	int config; /* TFT/STN, signal inversion */
	53	int bpp; /* Pixel format in fb mem */
	54	int data_lines; /* Lines on LCD HW interface */
	55
	56	int x_res, y_res;
	57	int pixel_clock; /* In kHz */
	58	int hsw; /* Horizontal synchronization
	59	pulse width */
	60	int hfp; /* Horizontal front porch */
	61	int hbp; /* Horizontal back porch */
	62	int vsw; /* Vertical synchronization
	63	pulse width */
	64	int vfp; /* Vertical front porch */
	65	int vbp; /* Vertical back porch */
	66	int acb; /* ac-bias pin frequency */
	67	int pcd; /* pixel clock divider.
	68	Obsolete use pixel_clock instead */
	69
f4e4c324 TL	70	int (init) (struct lcd_panel panel,
	71	struct omapfb_device *fbdev);
	72	void (cleanup) (struct lcd_panel panel);
	73	int (enable) (struct lcd_panel panel);
	74	void (disable) (struct lcd_panel panel);
	75	unsigned long (get_caps) (struct lcd_panel panel);
	76	int (set_bklight_level)(struct lcd_panel panel,
	77	unsigned int level);
	78	unsigned int (get_bklight_level)(struct lcd_panel panel);
	79	unsigned int (get_bklight_max) (struct lcd_panel panel);
	80	int (run_test) (struct lcd_panel panel, int test_num);
9ad5897c TL	81	};
9ad5897c TL	82
9ad5897c TL	83	struct extif_timings {
	84	int cs_on_time;
	85	int cs_off_time;
	86	int we_on_time;
	87	int we_off_time;
	88	int re_on_time;
	89	int re_off_time;
	90	int we_cycle_time;
	91	int re_cycle_time;
	92	int cs_pulse_width;
	93	int access_time;
0dc5e77c TL	94
	95	int clk_div;
	96
	97	u32 tim[5]; /* set by extif->convert_timings */
	98
	99	int converted;
9ad5897c TL	100	};
	101
	102	struct lcd_ctrl_extif {
f4e4c324	103	int (init) (struct omapfb_device fbdev);
9ad5897c	104	void (*cleanup) (void);
0dc5e77c	105	void (get_clk_info) (u32 clk_period, u32 *max_clk_div);
b01d96d6	106	unsigned long (*get_max_tx_rate)(void);
0dc5e77c	107	int (convert_timings) (struct extif_timings timings);
9ad5897c	108	void (set_timings) (const struct extif_timings timings);
0dc5e77c TL	109	void (*set_bits_per_cycle)(int bpc);
	110	void (write_command) (const void buf, unsigned int len);
	111	void (read_data) (void buf, unsigned int len);
	112	void (write_data) (const void buf, unsigned int len);
9ad5897c	113	void (*transfer_area) (int width, int height,
91773a00	114	void (callback)(void data), void data);
b01d96d6 KS	115	int (*setup_tearsync) (unsigned pin_cnt,
	116	unsigned hs_pulse_time, unsigned vs_pulse_time,
	117	int hs_pol_inv, int vs_pol_inv, int div);
	118	int (*enable_tearsync) (int enable, unsigned line);
f4e4c324	119
0dc5e77c	120	unsigned long max_transmit_size;
9ad5897c TL	121	};
9ad5897c TL	122
0dc5e77c TL	123	struct omapfb_notifier_block {
	124	struct notifier_block nb;
	125	void *data;
f4e4c324	126	int plane_idx;
0dc5e77c TL	127	};
0dc5e77c TL	128
f4e4c324 TL	129	typedef int (omapfb_notifier_callback_t)(struct notifier_block ,
	130	unsigned long event,
	131	void *fbi);
	132
9ad5897c TL	133	struct lcd_ctrl {
	134	const char *name;
	135	void *data;
	136
	137	int (init) (struct omapfb_device fbdev,
f4e4c324 TL	138	int ext_mode,
f4e4c324 TL	139	struct omapfb_mem_desc *req_md);
9ad5897c	140	void (*cleanup) (void);
0dc5e77c	141	void (bind_client) (struct omapfb_notifier_block nb);
b01d96d6	142	void (get_caps) (int plane, struct omapfb_caps caps);
9ad5897c TL	143	int (*set_update_mode)(enum omapfb_update_mode mode);
	144	enum omapfb_update_mode (*get_update_mode)(void);
	145	int (*setup_plane) (int plane, int channel_out,
	146	unsigned long offset,
	147	int screen_width,
	148	int pos_x, int pos_y, int width,
	149	int height, int color_mode);
646e3ed1	150	int (*set_rotate) (int angle);
b01d96d6 KS	151	int (*setup_mem) (int plane, size_t size,
	152	int mem_type, unsigned long *paddr);
	153	int (mmap) (struct fb_info info,
	154	struct vm_area_struct *vma);
f4e4c324 TL	155	int (*set_scale) (int plane,
	156	int orig_width, int orig_height,
	157	int out_width, int out_height);
9ad5897c	158	int (*enable_plane) (int plane, int enable);
f4e4c324 TL	159	int (update_window) (struct fb_info fbi,
f4e4c324 TL	160	struct omapfb_update_window *win,
9ad5897c TL	161	void (callback)(void ),
	162	void *callback_data);
	163	void (*sync) (void);
	164	void (*suspend) (void);
	165	void (*resume) (void);
	166	int (*run_test) (int test_num);
	167	int (*setcolreg) (u_int regno, u16 red, u16 green,
	168	u16 blue, u16 transp,
	169	int update_hw_mem);
	170	int (set_color_key) (struct omapfb_color_key ck);
f4e4c324	171	int (get_color_key) (struct omapfb_color_key ck);
9ad5897c TL	172	};
	173
	174	enum omapfb_state {
91773a00 TV	175	OMAPFB_DISABLED = 0,
	176	OMAPFB_SUSPENDED = 99,
	177	OMAPFB_ACTIVE = 100
9ad5897c TL	178	};
9ad5897c TL	179
f4e4c324 TL	180	struct omapfb_plane_struct {
	181	int idx;
	182	struct omapfb_plane_info info;
	183	enum omapfb_color_format color_mode;
	184	struct omapfb_device *fbdev;
	185	};
	186
9ad5897c TL	187	struct omapfb_device {
9ad5897c TL	188	int state;
91773a00 TV	189	int ext_lcdc; /* Using external
91773a00 TV	190	LCD controller */
0dc5e77c	191	struct mutex rqueue_mutex;
9ad5897c	192
9ad5897c	193	int palette_size;
9ad5897c TL	194	u32 pseudo_palette[17];
	195
	196	struct lcd_panel panel; / LCD panel */
020f9706 RK	197	const struct lcd_ctrl ctrl; / LCD controller */
020f9706 RK	198	const struct lcd_ctrl int_ctrl; / internal LCD ctrl */
9ad5897c TL	199	struct lcd_ctrl_extif ext_if; / LCD ctrl external
9ad5897c TL	200	interface */
9ad5897c	201	struct device *dev;
b01d96d6	202	struct fb_var_screeninfo new_var; /* for mode changes */
f4e4c324 TL	203
	204	struct omapfb_mem_desc mem_desc;
	205	struct fb_info *fb_info[OMAPFB_PLANE_NUM];
f778a12d TV	206
f778a12d TV	207	struct platform_device dssdev; / dummy dev for clocks */
9ad5897c TL	208	};
9ad5897c TL	209
9ad5897c TL	210	#ifdef CONFIG_ARCH_OMAP1
	211	extern struct lcd_ctrl omap1_lcd_ctrl;
	212	#else
	213	extern struct lcd_ctrl omap2_disp_ctrl;
	214	#endif
	215
0dc5e77c	216	extern void omapfb_register_panel(struct lcd_panel *panel);
9ad5897c	217	extern void omapfb_write_first_pixel(struct omapfb_device *fbdev, u16 pixval);
0dc5e77c TL	218	extern void omapfb_notify_clients(struct omapfb_device *fbdev,
	219	unsigned long event);
	220	extern int omapfb_register_client(struct omapfb_notifier_block *nb,
f4e4c324 TL	221	omapfb_notifier_callback_t callback,
f4e4c324 TL	222	void *callback_data);
0dc5e77c	223	extern int omapfb_unregister_client(struct omapfb_notifier_block *nb);
f4e4c324 TL	224	extern int omapfb_update_window_async(struct fb_info *fbi,
	225	struct omapfb_update_window *win,
	226	void (callback)(void ),
	227	void *callback_data);
0dc5e77c	228
9ad5897c	229	#endif /* __OMAPFB_H */