[mirror_ubuntu-bionic-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.
 */

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

/* 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)

struct pxafb_dma_buff {
	unsigned char palette[PAL_MAX * PALETTE_SIZE];
	struct pxafb_dma_descriptor pal_desc[PAL_MAX];
	struct pxafb_dma_descriptor dma_desc[DMA_MAX];
};

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

	void __iomem		*mmio_base;

	struct pxafb_dma_buff	*dma_buff;
	dma_addr_t		dma_buff_phys;
	dma_addr_t		fdadr[DMA_MAX];

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

	/* addresses of pieces placed in raw buffer */
	u_char *		screen_cpu;	/* virtual address of frame buffer */
	dma_addr_t		screen_dma;	/* physical address of 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;

	unsigned long	hsync_time;

	volatile u_char		state;
	volatile u_char		task_state;
	struct semaphore	ctrlr_sem;
	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 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

#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
	24	/* Shadows for LCD controller registers */
	25	struct pxafb_lcd_reg {
	26	unsigned int lccr0;
	27	unsigned int lccr1;
	28	unsigned int lccr2;
	29	unsigned int lccr3;
	30	};
	31
	32	/* PXA LCD DMA descriptor */
	33	struct pxafb_dma_descriptor {
	34	unsigned int fdadr;
	35	unsigned int fsadr;
	36	unsigned int fidr;
	37	unsigned int ldcmd;
	38	};
	39
2c42dd8e	40	enum {
	41	PAL_NONE = -1,
	42	PAL_BASE = 0,
	43	PAL_OV1 = 1,
	44	PAL_OV2 = 2,
	45	PAL_MAX,
	46	};
	47
	48	enum {
	49	DMA_BASE = 0,
	50	DMA_UPPER = 0,
	51	DMA_LOWER = 1,
	52	DMA_OV1 = 1,
	53	DMA_OV2_Y = 2,
	54	DMA_OV2_Cb = 3,
	55	DMA_OV2_Cr = 4,
	56	DMA_CURSOR = 5,
	57	DMA_CMD = 6,
	58	DMA_MAX,
	59	};
	60
	61	/* maximum palette size - 256 entries, each 4 bytes long */
	62	#define PALETTE_SIZE (256 * 4)
	63
	64	struct pxafb_dma_buff {
	65	unsigned char palette[PAL_MAX * PALETTE_SIZE];
	66	struct pxafb_dma_descriptor pal_desc[PAL_MAX];
	67	struct pxafb_dma_descriptor dma_desc[DMA_MAX];
	68	};
	69
1da177e4 LT	70	struct pxafb_info {
	71	struct fb_info fb;
	72	struct device *dev;
72e3524c	73	struct clk *clk;
1da177e4	74
ce4fb7b8	75	void __iomem *mmio_base;
ce4fb7b8	76
2c42dd8e	77	struct pxafb_dma_buff *dma_buff;
	78	dma_addr_t dma_buff_phys;
	79	dma_addr_t fdadr[DMA_MAX];
	80
1da177e4 LT	81	/*
	82	* These are the addresses we mapped
	83	* the framebuffer memory region to.
	84	*/
	85	/* raw memory addresses */
	86	dma_addr_t map_dma; /* physical */
	87	u_char * map_cpu; /* virtual */
	88	u_int map_size;
	89
	90	/* addresses of pieces placed in raw buffer */
	91	u_char * screen_cpu; /* virtual address of frame buffer */
	92	dma_addr_t screen_dma; /* physical address of frame buffer */
	93	u16 * palette_cpu; /* virtual address of palette memory */
1da177e4 LT	94	u_int palette_size;
1da177e4 LT	95
1da177e4 LT	96	u_int lccr0;
1da177e4 LT	97	u_int lccr3;
9ffa7396	98	u_int lccr4;
1da177e4 LT	99	u_int cmap_inverse:1,
	100	cmap_static:1,
	101	unused:30;
	102
	103	u_int reg_lccr0;
	104	u_int reg_lccr1;
	105	u_int reg_lccr2;
	106	u_int reg_lccr3;
9ffa7396	107	u_int reg_lccr4;
1da177e4	108
ba44cd2d RP	109	unsigned long hsync_time;
ba44cd2d RP	110
1da177e4 LT	111	volatile u_char state;
	112	volatile u_char task_state;
	113	struct semaphore ctrlr_sem;
	114	wait_queue_head_t ctrlr_wait;
	115	struct work_struct task;
	116
	117	#ifdef CONFIG_CPU_FREQ
	118	struct notifier_block freq_transition;
	119	struct notifier_block freq_policy;
	120	#endif
	121	};
	122
	123	#define TO_INF(ptr,member) container_of(ptr,struct pxafb_info,member)
	124
	125	/*
	126	* These are the actions for set_ctrlr_state
	127	*/
	128	#define C_DISABLE (0)
	129	#define C_ENABLE (1)
	130	#define C_DISABLE_CLKCHANGE (2)
	131	#define C_ENABLE_CLKCHANGE (3)
	132	#define C_REENABLE (4)
	133	#define C_DISABLE_PM (5)
	134	#define C_ENABLE_PM (6)
	135	#define C_STARTUP (7)
	136
	137	#define PXA_NAME "PXA"
	138
1da177e4 LT	139	/*
	140	* Minimum X and Y resolutions
	141	*/
	142	#define MIN_XRES 64
	143	#define MIN_YRES 64
	144
	145	#endif /* __PXAFB_H__ */