#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 2 nd 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 ];
};
enum {
OVERLAY1,
OVERLAY2,
};
enum {
OVERLAY_FORMAT_RGB = 0 ,
OVERLAY_FORMAT_YUV444_PACKED,
OVERLAY_FORMAT_YUV444_PLANAR,
OVERLAY_FORMAT_YUV422_PLANAR,
OVERLAY_FORMAT_YUV420_PLANAR,
};
#define NONSTD_TO_XPOS(x) (((x) >> 0 ) & 0 x3ff)
#define NONSTD_TO_YPOS(x) (((x) >> 10 ) & 0 x3ff)
#define NONSTD_TO_PFOR(x) (((x) >> 20 ) & 0 x7)
struct pxafb_layer;
struct pxafb_layer_ops {
void (*enable)(struct pxafb_layer *);
void (*disable)(struct pxafb_layer *);
void (*setup)(struct pxafb_layer *);
};
struct pxafb_layer {
struct fb_info fb;
int id;
int registered;
uint32_t usage;
uint32_t control[2 ];
struct pxafb_layer_ops *ops;
void __iomem *video_mem;
unsigned long video_mem_phys;
size_t video_mem_size;
struct completion branch_done;
struct pxafb_info *fbi;
};
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_FB_PXA_OVERLAY
struct pxafb_layer overlay[2 ];
#endif
#ifdef CONFIG_CPU_FREQ
struct notifier_block freq_transition;
#endif
struct regulator *lcd_supply;
bool lcd_supply_enabled;
void (*lcd_power)(int , struct fb_var_screeninfo *);
void (*backlight_power)(int );
struct pxafb_mach_info *inf;
};
#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__ */
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