#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; }; struct pxafb_info { struct fb_info fb; struct device *dev; u_int max_bpp; u_int max_xres; u_int max_yres; /* * 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 */ dma_addr_t palette_dma; /* physical address of palette memory */ u_int palette_size; /* DMA descriptors */ struct pxafb_dma_descriptor * dmadesc_fblow_cpu; dma_addr_t dmadesc_fblow_dma; struct pxafb_dma_descriptor * dmadesc_fbhigh_cpu; dma_addr_t dmadesc_fbhigh_dma; struct pxafb_dma_descriptor * dmadesc_palette_cpu; dma_addr_t dmadesc_palette_dma; dma_addr_t fdadr0; dma_addr_t fdadr1; 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 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" /* * Debug macros */ #if DEBUG # define DPRINTK(fmt, args...) printk("%s: " fmt, __FUNCTION__ , ## args) #else # define DPRINTK(fmt, args...) #endif /* * Minimum X and Y resolutions */ #define MIN_XRES 64 #define MIN_YRES 64 #endif /* __PXAFB_H__ */