| /* | 
 |  * File: include/asm-arm/arch-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 | 
 |  | 
 | /* IOCTL commands. */ | 
 |  | 
 | #define OMAP_IOW(num, dtype)	_IOW('O', num, dtype) | 
 | #define OMAP_IOR(num, dtype)	_IOR('O', num, dtype) | 
 | #define OMAP_IOWR(num, dtype)	_IOWR('O', num, dtype) | 
 | #define OMAP_IO(num)		_IO('O', num) | 
 |  | 
 | #define OMAPFB_MIRROR		OMAP_IOW(31, int) | 
 | #define OMAPFB_SYNC_GFX		OMAP_IO(37) | 
 | #define OMAPFB_VSYNC		OMAP_IO(38) | 
 | #define OMAPFB_SET_UPDATE_MODE	OMAP_IOW(40, int) | 
 | #define OMAPFB_UPDATE_WINDOW_OLD OMAP_IOW(41, struct omapfb_update_window_old) | 
 | #define OMAPFB_GET_CAPS		OMAP_IOR(42, unsigned long) | 
 | #define OMAPFB_GET_UPDATE_MODE	OMAP_IOW(43, int) | 
 | #define OMAPFB_LCD_TEST		OMAP_IOW(45, int) | 
 | #define OMAPFB_CTRL_TEST	OMAP_IOW(46, int) | 
 | #define OMAPFB_UPDATE_WINDOW	OMAP_IOW(47, struct omapfb_update_window) | 
 | #define OMAPFB_SETUP_PLANE	OMAP_IOW(48, struct omapfb_setup_plane) | 
 | #define OMAPFB_ENABLE_PLANE	OMAP_IOW(49, struct omapfb_enable_plane) | 
 | #define OMAPFB_SET_COLOR_KEY	OMAP_IOW(50, struct omapfb_color_key) | 
 |  | 
 | #define OMAPFB_CAPS_GENERIC_MASK	0x00000fff | 
 | #define OMAPFB_CAPS_LCDC_MASK		0x00fff000 | 
 | #define OMAPFB_CAPS_PANEL_MASK		0xff000000 | 
 |  | 
 | #define OMAPFB_CAPS_MANUAL_UPDATE	0x00001000 | 
 | #define OMAPFB_CAPS_SET_BACKLIGHT	0x01000000 | 
 |  | 
 | /* Values from DSP must map to lower 16-bits */ | 
 | #define OMAPFB_FORMAT_MASK         0x00ff | 
 | #define OMAPFB_FORMAT_FLAG_DOUBLE  0x0100 | 
 |  | 
 | enum omapfb_color_format { | 
 | 	OMAPFB_COLOR_RGB565 = 0, | 
 | 	OMAPFB_COLOR_YUV422, | 
 | 	OMAPFB_COLOR_YUV420, | 
 | 	OMAPFB_COLOR_CLUT_8BPP, | 
 | 	OMAPFB_COLOR_CLUT_4BPP, | 
 | 	OMAPFB_COLOR_CLUT_2BPP, | 
 | 	OMAPFB_COLOR_CLUT_1BPP, | 
 | }; | 
 |  | 
 | struct omapfb_update_window { | 
 | 	__u32 x, y; | 
 | 	__u32 width, height; | 
 | 	__u32 format; | 
 | }; | 
 |  | 
 | struct omapfb_update_window_old { | 
 | 	__u32 x, y; | 
 | 	__u32 width, height; | 
 | }; | 
 |  | 
 | enum omapfb_plane { | 
 | 	OMAPFB_PLANE_GFX = 0, | 
 | 	OMAPFB_PLANE_VID1, | 
 | 	OMAPFB_PLANE_VID2, | 
 | }; | 
 |  | 
 | enum omapfb_channel_out { | 
 | 	OMAPFB_CHANNEL_OUT_LCD = 0, | 
 | 	OMAPFB_CHANNEL_OUT_DIGIT, | 
 | }; | 
 |  | 
 | struct omapfb_setup_plane { | 
 | 	__u8  plane; | 
 | 	__u8  channel_out; | 
 | 	__u32 offset; | 
 | 	__u32 pos_x, pos_y; | 
 | 	__u32 width, height; | 
 | 	__u32 color_mode; | 
 | }; | 
 |  | 
 | struct omapfb_enable_plane { | 
 | 	__u8  plane; | 
 | 	__u8  enable; | 
 | }; | 
 |  | 
 | enum omapfb_color_key_type { | 
 | 	OMAPFB_COLOR_KEY_DISABLED = 0, | 
 | 	OMAPFB_COLOR_KEY_GFX_DST, | 
 | 	OMAPFB_COLOR_KEY_VID_SRC, | 
 | }; | 
 |  | 
 | struct omapfb_color_key { | 
 | 	__u8  channel_out; | 
 | 	__u32 background; | 
 | 	__u32 trans_key; | 
 | 	__u8  key_type; | 
 | }; | 
 |  | 
 | enum omapfb_update_mode { | 
 | 	OMAPFB_UPDATE_DISABLED = 0, | 
 | 	OMAPFB_AUTO_UPDATE, | 
 | 	OMAPFB_MANUAL_UPDATE | 
 | }; | 
 |  | 
 | #ifdef __KERNEL__ | 
 |  | 
 | #include <linux/completion.h> | 
 | #include <linux/interrupt.h> | 
 | #include <linux/fb.h> | 
 | #include <linux/mutex.h> | 
 |  | 
 | #include <asm/arch/board.h> | 
 |  | 
 | #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 | 
 |  | 
 | #ifdef CONFIG_ARCH_OMAP1 | 
 | #define OMAPFB_PLANE_NUM		1 | 
 | #else | 
 | #define OMAPFB_PLANE_NUM		3 | 
 | #endif | 
 |  | 
 | 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 omapfb_device *fbdev); | 
 | 	void		(*cleanup)	(void); | 
 | 	int		(*enable)	(void); | 
 | 	void		(*disable)	(void); | 
 | 	unsigned long	(*get_caps)	(void); | 
 | 	int		(*set_bklight_level)(unsigned int level); | 
 | 	unsigned int	(*get_bklight_level)(void); | 
 | 	unsigned int	(*get_bklight_max)  (void); | 
 | 	int		(*run_test)	(int test_num); | 
 | }; | 
 |  | 
 | struct omapfb_device; | 
 |  | 
 | 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)		(void); | 
 | 	void (*cleanup)		(void); | 
 | 	void (*get_clk_info)	(u32 *clk_period, u32 *max_clk_div); | 
 | 	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); | 
 | 	unsigned long		max_transmit_size; | 
 | }; | 
 |  | 
 | struct omapfb_notifier_block { | 
 | 	struct notifier_block	nb; | 
 | 	void			*data; | 
 | }; | 
 |  | 
 | typedef int (*omapfb_notifier_callback_t)(struct omapfb_notifier_block *, | 
 | 					   unsigned long event, | 
 | 					   struct omapfb_device *fbdev); | 
 |  | 
 | struct lcd_ctrl { | 
 | 	const char	*name; | 
 | 	void		*data; | 
 |  | 
 | 	int		(*init)		  (struct omapfb_device *fbdev, | 
 | 					   int ext_mode, int req_vram_size); | 
 | 	void		(*cleanup)	  (void); | 
 | 	void		(*bind_client)	  (struct omapfb_notifier_block *nb); | 
 | 	void		(*get_vram_layout)(unsigned long *size, | 
 | 					   void **virt_base, | 
 | 					   dma_addr_t *phys_base); | 
 | 	int		(*mmap)		  (struct vm_area_struct *vma); | 
 | 	unsigned long	(*get_caps)	  (void); | 
 | 	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		(*enable_plane)	  (int plane, int enable); | 
 | 	int		(*update_window)  (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); | 
 |  | 
 | }; | 
 |  | 
 | enum omapfb_state { | 
 | 	OMAPFB_DISABLED	= 0, | 
 | 	OMAPFB_SUSPENDED= 99, | 
 | 	OMAPFB_ACTIVE	= 100 | 
 | }; | 
 |  | 
 | struct omapfb_device { | 
 | 	int			state; | 
 | 	int                     ext_lcdc;               /* Using external | 
 |                                                            LCD controller */ | 
 | 	struct mutex		rqueue_mutex; | 
 |  | 
 | 	void			*vram_virt_base; | 
 | 	dma_addr_t		vram_phys_base; | 
 | 	unsigned long		vram_size; | 
 |  | 
 | 	int			color_mode; | 
 | 	int			palette_size; | 
 | 	int			mirror; | 
 | 	u32			pseudo_palette[17]; | 
 |  | 
 | 	struct lcd_panel	*panel;			/* LCD panel */ | 
 | 	struct lcd_ctrl         *ctrl;			/* LCD controller */ | 
 | 	struct lcd_ctrl		*int_ctrl;		/* internal LCD ctrl */ | 
 | 	struct lcd_ctrl_extif	*ext_if;		/* LCD ctrl external | 
 | 							   interface */ | 
 | 	struct fb_info		*fb_info; | 
 |  | 
 | 	struct device		*dev; | 
 | }; | 
 |  | 
 | struct omapfb_platform_data { | 
 | 	struct omap_lcd_config   lcd; | 
 | 	struct omap_fbmem_config fbmem; | 
 | }; | 
 |  | 
 | #define OMAPFB_EVENT_READY	1 | 
 | #define OMAPFB_EVENT_DISABLED	2 | 
 |  | 
 | #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 omapfb_update_window *win, | 
 | 					void (*callback)(void *), | 
 | 					void *callback_data); | 
 |  | 
 | /* in arch/arm/plat-omap/devices.c */ | 
 | extern void omapfb_reserve_mem(void); | 
 |  | 
 | #endif /* __KERNEL__ */ | 
 |  | 
 | #endif /* __OMAPFB_H */ |