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130 lines
2.9 KiB
C
130 lines
2.9 KiB
C
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#ifndef __PXAFB_H__
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#define __PXAFB_H__
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/*
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* linux/drivers/video/pxafb.h
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* -- Intel PXA250/210 LCD Controller Frame Buffer Device
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*
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* Copyright (C) 1999 Eric A. Thomas.
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* Copyright (C) 2004 Jean-Frederic Clere.
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* Copyright (C) 2004 Ian Campbell.
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* Copyright (C) 2004 Jeff Lackey.
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* Based on sa1100fb.c Copyright (C) 1999 Eric A. Thomas
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* which in turn is
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* Based on acornfb.c Copyright (C) Russell King.
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*
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* 2001-08-03: Cliff Brake <cbrake@acclent.com>
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* - ported SA1100 code to PXA
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file COPYING in the main directory of this archive
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* for more details.
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*/
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/* Shadows for LCD controller registers */
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struct pxafb_lcd_reg {
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unsigned int lccr0;
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unsigned int lccr1;
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unsigned int lccr2;
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unsigned int lccr3;
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};
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/* PXA LCD DMA descriptor */
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struct pxafb_dma_descriptor {
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unsigned int fdadr;
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unsigned int fsadr;
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unsigned int fidr;
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unsigned int ldcmd;
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};
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struct pxafb_info {
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struct fb_info fb;
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struct device *dev;
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u_int max_bpp;
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u_int max_xres;
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u_int max_yres;
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/*
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* These are the addresses we mapped
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* the framebuffer memory region to.
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*/
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/* raw memory addresses */
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dma_addr_t map_dma; /* physical */
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u_char * map_cpu; /* virtual */
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u_int map_size;
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/* addresses of pieces placed in raw buffer */
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u_char * screen_cpu; /* virtual address of frame buffer */
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dma_addr_t screen_dma; /* physical address of frame buffer */
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u16 * palette_cpu; /* virtual address of palette memory */
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dma_addr_t palette_dma; /* physical address of palette memory */
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u_int palette_size;
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/* DMA descriptors */
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struct pxafb_dma_descriptor * dmadesc_fblow_cpu;
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dma_addr_t dmadesc_fblow_dma;
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struct pxafb_dma_descriptor * dmadesc_fbhigh_cpu;
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dma_addr_t dmadesc_fbhigh_dma;
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struct pxafb_dma_descriptor * dmadesc_palette_cpu;
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dma_addr_t dmadesc_palette_dma;
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dma_addr_t fdadr0;
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dma_addr_t fdadr1;
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u_int lccr0;
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u_int lccr3;
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u_int cmap_inverse:1,
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cmap_static:1,
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unused:30;
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u_int reg_lccr0;
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u_int reg_lccr1;
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u_int reg_lccr2;
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u_int reg_lccr3;
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volatile u_char state;
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volatile u_char task_state;
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struct semaphore ctrlr_sem;
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wait_queue_head_t ctrlr_wait;
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struct work_struct task;
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#ifdef CONFIG_CPU_FREQ
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struct notifier_block freq_transition;
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struct notifier_block freq_policy;
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#endif
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};
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#define TO_INF(ptr,member) container_of(ptr,struct pxafb_info,member)
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/*
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* These are the actions for set_ctrlr_state
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*/
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#define C_DISABLE (0)
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#define C_ENABLE (1)
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#define C_DISABLE_CLKCHANGE (2)
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#define C_ENABLE_CLKCHANGE (3)
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#define C_REENABLE (4)
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#define C_DISABLE_PM (5)
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#define C_ENABLE_PM (6)
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#define C_STARTUP (7)
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#define PXA_NAME "PXA"
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/*
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* Debug macros
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*/
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#if DEBUG
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# define DPRINTK(fmt, args...) printk("%s: " fmt, __FUNCTION__ , ## args)
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#else
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# define DPRINTK(fmt, args...)
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#endif
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/*
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* Minimum X and Y resolutions
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*/
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#define MIN_XRES 64
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#define MIN_YRES 64
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#endif /* __PXAFB_H__ */
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