[mirror_ubuntu-zesty-kernel.git] / drivers / video / pxafb.h

#ifndef __PXAFB_H__
#define __PXAFB_H__

/*
 * linux/drivers/video/pxafb.h
 *    -- Intel PXA250/210 LCD Controller Frame Buffer Device
 *
 *  Copyright (C) 1999 Eric A. Thomas.
 *  Copyright (C) 2004 Jean-Frederic Clere.
 *  Copyright (C) 2004 Ian Campbell.
 *  Copyright (C) 2004 Jeff Lackey.
 *   Based on sa1100fb.c Copyright (C) 1999 Eric A. Thomas
 *  which in turn is
 *   Based on acornfb.c Copyright (C) Russell King.
 *
 *  2001-08-03: Cliff Brake <cbrake@acclent.com>
 *	 - ported SA1100 code to PXA
 *
 * 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.
 */

/* PXA LCD DMA descriptor */
struct pxafb_dma_descriptor {
	unsigned int fdadr;
	unsigned int fsadr;
	unsigned int fidr;
	unsigned int ldcmd;
};

enum {
	PAL_NONE	= -1,
	PAL_BASE	= 0,
	PAL_OV1		= 1,
	PAL_OV2		= 2,
	PAL_MAX,
};

enum {
	DMA_BASE	= 0,
	DMA_UPPER	= 0,
	DMA_LOWER	= 1,
	DMA_OV1		= 1,
	DMA_OV2_Y	= 2,
	DMA_OV2_Cb	= 3,
	DMA_OV2_Cr	= 4,
	DMA_CURSOR	= 5,
	DMA_CMD		= 6,
	DMA_MAX,
};

/* maximum palette size - 256 entries, each 4 bytes long */
#define PALETTE_SIZE	(256 * 4)
#define CMD_BUFF_SIZE	(1024 * 50)

/* NOTE: the palette and frame dma descriptors are doubled to allow
 * the 2nd set for branch settings (FBRx)
 */
struct pxafb_dma_buff {
	unsigned char palette[PAL_MAX * PALETTE_SIZE];
	uint16_t cmd_buff[CMD_BUFF_SIZE];
	struct pxafb_dma_descriptor pal_desc[PAL_MAX * 2];
	struct pxafb_dma_descriptor dma_desc[DMA_MAX * 2];
};

struct pxafb_info {
	struct fb_info		fb;
	struct device		*dev;
	struct clk		*clk;

	void __iomem		*mmio_base;

	struct pxafb_dma_buff	*dma_buff;
	size_t			dma_buff_size;
	dma_addr_t		dma_buff_phys;
	dma_addr_t		fdadr[DMA_MAX * 2];

	void __iomem		*video_mem;	/* virtual address of frame buffer */
	unsigned long		video_mem_phys;	/* physical address of frame buffer */
	size_t			video_mem_size;	/* size of the frame buffer */
	u16 *			palette_cpu;	/* virtual address of palette memory */
	u_int			palette_size;

	u_int			lccr0;
	u_int			lccr3;
	u_int			lccr4;
	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;
	u_int			reg_lccr4;
	u_int			reg_cmdcr;

	unsigned long	hsync_time;

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

	struct completion	disable_done;

#ifdef CONFIG_FB_PXA_SMARTPANEL
	uint16_t		*smart_cmds;
	size_t			n_smart_cmds;
	struct completion	command_done;
	struct completion	refresh_done;
	struct task_struct	*smart_thread;
#endif

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

	void (*lcd_power)(int, struct fb_var_screeninfo *);
	void (*backlight_power)(int);
};

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

/*
 * 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 PXA_NAME	"PXA"

/*
 * Minimum X and Y resolutions
 */
#define MIN_XRES	64
#define MIN_YRES	64

/* maximum X and Y resolutions - note these are limits from the register
 * bits length instead of the real ones
 */
#define MAX_XRES	1024
#define MAX_YRES	1024

#endif /* __PXAFB_H__ */
Commit	Line	Data
1da177e4 LT	1	#ifndef __PXAFB_H__
	2	#define __PXAFB_H__
	3
	4	/*
	5	* linux/drivers/video/pxafb.h
	6	* -- Intel PXA250/210 LCD Controller Frame Buffer Device
	7	*
	8	* Copyright (C) 1999 Eric A. Thomas.
	9	* Copyright (C) 2004 Jean-Frederic Clere.
	10	* Copyright (C) 2004 Ian Campbell.
	11	* Copyright (C) 2004 Jeff Lackey.
	12	* Based on sa1100fb.c Copyright (C) 1999 Eric A. Thomas
	13	* which in turn is
	14	* Based on acornfb.c Copyright (C) Russell King.
	15	*
	16	* 2001-08-03: Cliff Brake <cbrake@acclent.com>
	17	* - ported SA1100 code to PXA
	18	*
	19	* This file is subject to the terms and conditions of the GNU General Public
	20	* License. See the file COPYING in the main directory of this archive
	21	* for more details.
	22	*/
	23
1da177e4 LT	24	/* PXA LCD DMA descriptor */
	25	struct pxafb_dma_descriptor {
	26	unsigned int fdadr;
	27	unsigned int fsadr;
	28	unsigned int fidr;
	29	unsigned int ldcmd;
	30	};
	31
2c42dd8e	32	enum {
	33	PAL_NONE = -1,
	34	PAL_BASE = 0,
	35	PAL_OV1 = 1,
	36	PAL_OV2 = 2,
	37	PAL_MAX,
	38	};
	39
	40	enum {
	41	DMA_BASE = 0,
	42	DMA_UPPER = 0,
	43	DMA_LOWER = 1,
	44	DMA_OV1 = 1,
	45	DMA_OV2_Y = 2,
	46	DMA_OV2_Cb = 3,
	47	DMA_OV2_Cr = 4,
	48	DMA_CURSOR = 5,
	49	DMA_CMD = 6,
	50	DMA_MAX,
	51	};
	52
	53	/* maximum palette size - 256 entries, each 4 bytes long */
	54	#define PALETTE_SIZE (256 * 4)
3c42a449	55	#define CMD_BUFF_SIZE (1024 * 50)
2c42dd8e	56
6e354846 EM	57	/* NOTE: the palette and frame dma descriptors are doubled to allow
	58	* the 2nd set for branch settings (FBRx)
	59	*/
2c42dd8e	60	struct pxafb_dma_buff {
2c42dd8e	61	unsigned char palette[PAL_MAX * PALETTE_SIZE];
3c42a449	62	uint16_t cmd_buff[CMD_BUFF_SIZE];
6e354846 EM	63	struct pxafb_dma_descriptor pal_desc[PAL_MAX * 2];
6e354846 EM	64	struct pxafb_dma_descriptor dma_desc[DMA_MAX * 2];
2c42dd8e	65	};
2c42dd8e	66
1da177e4 LT	67	struct pxafb_info {
	68	struct fb_info fb;
	69	struct device *dev;
72e3524c	70	struct clk *clk;
1da177e4	71
ce4fb7b8	72	void __iomem *mmio_base;
ce4fb7b8	73
2c42dd8e	74	struct pxafb_dma_buff *dma_buff;
77e19675	75	size_t dma_buff_size;
2c42dd8e	76	dma_addr_t dma_buff_phys;
6e354846	77	dma_addr_t fdadr[DMA_MAX * 2];
2c42dd8e	78
77e19675 EM	79	void __iomem video_mem; / virtual address of frame buffer */
	80	unsigned long video_mem_phys; /* physical address of frame buffer */
	81	size_t video_mem_size; /* size of the frame buffer */
1da177e4	82	u16 * palette_cpu; /* virtual address of palette memory */
1da177e4 LT	83	u_int palette_size;
1da177e4 LT	84
1da177e4 LT	85	u_int lccr0;
1da177e4 LT	86	u_int lccr3;
9ffa7396	87	u_int lccr4;
1da177e4 LT	88	u_int cmap_inverse:1,
	89	cmap_static:1,
	90	unused:30;
	91
	92	u_int reg_lccr0;
	93	u_int reg_lccr1;
	94	u_int reg_lccr2;
	95	u_int reg_lccr3;
9ffa7396	96	u_int reg_lccr4;
3c42a449	97	u_int reg_cmdcr;
1da177e4	98
ba44cd2d RP	99	unsigned long hsync_time;
ba44cd2d RP	100
1da177e4 LT	101	volatile u_char state;
1da177e4 LT	102	volatile u_char task_state;
b91dbce5	103	struct mutex ctrlr_lock;
1da177e4 LT	104	wait_queue_head_t ctrlr_wait;
	105	struct work_struct task;
	106
2ba162b9 EM	107	struct completion disable_done;
2ba162b9 EM	108
3c42a449 EM	109	#ifdef CONFIG_FB_PXA_SMARTPANEL
	110	uint16_t *smart_cmds;
	111	size_t n_smart_cmds;
	112	struct completion command_done;
	113	struct completion refresh_done;
	114	struct task_struct *smart_thread;
	115	#endif
	116
1da177e4 LT	117	#ifdef CONFIG_CPU_FREQ
	118	struct notifier_block freq_transition;
	119	struct notifier_block freq_policy;
	120	#endif
a5718a14 EM	121
	122	void (lcd_power)(int, struct fb_var_screeninfo );
	123	void (*backlight_power)(int);
1da177e4 LT	124	};
	125
	126	#define TO_INF(ptr,member) container_of(ptr,struct pxafb_info,member)
	127
	128	/*
	129	* These are the actions for set_ctrlr_state
	130	*/
	131	#define C_DISABLE (0)
	132	#define C_ENABLE (1)
	133	#define C_DISABLE_CLKCHANGE (2)
	134	#define C_ENABLE_CLKCHANGE (3)
	135	#define C_REENABLE (4)
	136	#define C_DISABLE_PM (5)
	137	#define C_ENABLE_PM (6)
	138	#define C_STARTUP (7)
	139
	140	#define PXA_NAME "PXA"
	141
1da177e4 LT	142	/*
	143	* Minimum X and Y resolutions
	144	*/
	145	#define MIN_XRES 64
	146	#define MIN_YRES 64
	147
3f16ff60 EM	148	/* maximum X and Y resolutions - note these are limits from the register
	149	* bits length instead of the real ones
	150	*/
	151	#define MAX_XRES 1024
	152	#define MAX_YRES 1024
	153
1da177e4	154	#endif /* __PXAFB_H__ */