[net-next-2.6.git] / drivers / video / sa1100fb.h

/*
 * linux/drivers/video/sa1100fb.h
 *    -- StrongARM 1100 LCD Controller Frame Buffer Device
 *
 *  Copyright (C) 1999 Eric A. Thomas
 *   Based on acornfb.c Copyright (C) Russell King.
 *  
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file COPYING in the main directory of this archive
 * for more details.
 */

/*
 * These are the bitfields for each
 * display depth that we support.
 */
struct sa1100fb_rgb {
	struct fb_bitfield	red;
	struct fb_bitfield	green;
	struct fb_bitfield	blue;
	struct fb_bitfield	transp;
};

/*
 * This structure describes the machine which we are running on.
 */
struct sa1100fb_mach_info {
	u_long		pixclock;

	u_short		xres;
	u_short		yres;

	u_char		bpp;
	u_char		hsync_len;
	u_char		left_margin;
	u_char		right_margin;

	u_char		vsync_len;
	u_char		upper_margin;
	u_char		lower_margin;
	u_char		sync;

	u_int		cmap_greyscale:1,
			cmap_inverse:1,
			cmap_static:1,
			unused:29;

	u_int		lccr0;
	u_int		lccr3;
};

/* Shadows for LCD controller registers */
struct sa1100fb_lcd_reg {
	unsigned long lccr0;
	unsigned long lccr1;
	unsigned long lccr2;
	unsigned long lccr3;
};

#define RGB_4	(0)
#define RGB_8	(1)
#define RGB_16	(2)
#define NR_RGB	3

struct sa1100fb_info {
	struct fb_info		fb;
	struct device		*dev;
	struct sa1100fb_rgb	*rgb[NR_RGB];

	u_int			max_bpp;
	u_int			max_xres;
	u_int			max_yres;

	/*
	 * These are the addresses we mapped
	 * the framebuffer memory region to.
	 */
	dma_addr_t		map_dma;
	u_char *		map_cpu;
	u_int			map_size;

	u_char *		screen_cpu;
	dma_addr_t		screen_dma;
	u16 *			palette_cpu;
	dma_addr_t		palette_dma;
	u_int			palette_size;

	dma_addr_t		dbar1;
	dma_addr_t		dbar2;

	u_int			lccr0;
	u_int			lccr3;
	u_int			cmap_inverse:1,
				cmap_static:1,
				unused:30;

	u_int			reg_lccr0;
	u_int			reg_lccr1;
	u_int			reg_lccr2;
	u_int			reg_lccr3;

	volatile u_char		state;
	volatile u_char		task_state;
	struct mutex		ctrlr_lock;
	wait_queue_head_t	ctrlr_wait;
	struct work_struct	task;

#ifdef CONFIG_CPU_FREQ
	struct notifier_block	freq_transition;
	struct notifier_block	freq_policy;
#endif
};

#define TO_INF(ptr,member)	container_of(ptr,struct sa1100fb_info,member)

#define SA1100_PALETTE_MODE_VAL(bpp)    (((bpp) & 0x018) << 9)

/*
 * These are the actions for set_ctrlr_state
 */
#define C_DISABLE		(0)
#define C_ENABLE		(1)
#define C_DISABLE_CLKCHANGE	(2)
#define C_ENABLE_CLKCHANGE	(3)
#define C_REENABLE		(4)
#define C_DISABLE_PM		(5)
#define C_ENABLE_PM		(6)
#define C_STARTUP		(7)

#define SA1100_NAME	"SA1100"

/*
 *  Debug macros 
 */
#if DEBUG
#  define DPRINTK(fmt, args...)	printk("%s: " fmt, __func__ , ## args)
#else
#  define DPRINTK(fmt, args...)
#endif

/*
 * Minimum X and Y resolutions
 */
#define MIN_XRES	64
#define MIN_YRES	64
Commit	Line	Data
1da177e4 LT	1	/*
	2	* linux/drivers/video/sa1100fb.h
	3	* -- StrongARM 1100 LCD Controller Frame Buffer Device
	4	*
	5	* Copyright (C) 1999 Eric A. Thomas
	6	* Based on acornfb.c Copyright (C) Russell King.
	7	*
	8	* This file is subject to the terms and conditions of the GNU General Public
	9	* License. See the file COPYING in the main directory of this archive
	10	* for more details.
	11	*/
	12
	13	/*
	14	* These are the bitfields for each
	15	* display depth that we support.
	16	*/
	17	struct sa1100fb_rgb {
	18	struct fb_bitfield red;
	19	struct fb_bitfield green;
	20	struct fb_bitfield blue;
	21	struct fb_bitfield transp;
	22	};
	23
	24	/*
	25	* This structure describes the machine which we are running on.
	26	*/
	27	struct sa1100fb_mach_info {
	28	u_long pixclock;
	29
	30	u_short xres;
	31	u_short yres;
	32
	33	u_char bpp;
	34	u_char hsync_len;
	35	u_char left_margin;
	36	u_char right_margin;
	37
	38	u_char vsync_len;
	39	u_char upper_margin;
	40	u_char lower_margin;
	41	u_char sync;
	42
	43	u_int cmap_greyscale:1,
	44	cmap_inverse:1,
	45	cmap_static:1,
	46	unused:29;
	47
	48	u_int lccr0;
	49	u_int lccr3;
	50	};
	51
	52	/* Shadows for LCD controller registers */
	53	struct sa1100fb_lcd_reg {
	54	unsigned long lccr0;
	55	unsigned long lccr1;
	56	unsigned long lccr2;
	57	unsigned long lccr3;
	58	};
	59
0a453480 MJ	60	#define RGB_4 (0)
	61	#define RGB_8 (1)
	62	#define RGB_16 (2)
	63	#define NR_RGB 3
1da177e4 LT	64
	65	struct sa1100fb_info {
	66	struct fb_info fb;
	67	struct device *dev;
	68	struct sa1100fb_rgb *rgb[NR_RGB];
	69
	70	u_int max_bpp;
	71	u_int max_xres;
	72	u_int max_yres;
	73
	74	/*
	75	* These are the addresses we mapped
	76	* the framebuffer memory region to.
	77	*/
	78	dma_addr_t map_dma;
	79	u_char * map_cpu;
	80	u_int map_size;
	81
	82	u_char * screen_cpu;
	83	dma_addr_t screen_dma;
	84	u16 * palette_cpu;
	85	dma_addr_t palette_dma;
	86	u_int palette_size;
	87
	88	dma_addr_t dbar1;
	89	dma_addr_t dbar2;
	90
	91	u_int lccr0;
	92	u_int lccr3;
	93	u_int cmap_inverse:1,
	94	cmap_static:1,
	95	unused:30;
	96
	97	u_int reg_lccr0;
	98	u_int reg_lccr1;
	99	u_int reg_lccr2;
	100	u_int reg_lccr3;
	101
	102	volatile u_char state;
	103	volatile u_char task_state;
7951ac91	104	struct mutex ctrlr_lock;
1da177e4 LT	105	wait_queue_head_t ctrlr_wait;
	106	struct work_struct task;
	107
	108	#ifdef CONFIG_CPU_FREQ
	109	struct notifier_block freq_transition;
	110	struct notifier_block freq_policy;
	111	#endif
	112	};
	113
b385a144	114	#define TO_INF(ptr,member) container_of(ptr,struct sa1100fb_info,member)
1da177e4 LT	115
	116	#define SA1100_PALETTE_MODE_VAL(bpp) (((bpp) & 0x018) << 9)
	117
	118	/*
	119	* These are the actions for set_ctrlr_state
	120	*/
	121	#define C_DISABLE (0)
	122	#define C_ENABLE (1)
	123	#define C_DISABLE_CLKCHANGE (2)
	124	#define C_ENABLE_CLKCHANGE (3)
	125	#define C_REENABLE (4)
	126	#define C_DISABLE_PM (5)
	127	#define C_ENABLE_PM (6)
	128	#define C_STARTUP (7)
	129
	130	#define SA1100_NAME "SA1100"
	131
	132	/*
	133	* Debug macros
	134	*/
	135	#if DEBUG
5ae12170	136	# define DPRINTK(fmt, args...) printk("%s: " fmt, __func__ , ## args)
1da177e4 LT	137	#else
	138	# define DPRINTK(fmt, args...)
	139	#endif
	140
	141	/*
	142	* Minimum X and Y resolutions
	143	*/
	144	#define MIN_XRES 64
	145	#define MIN_YRES 64
	146