5 * linux/drivers/video/pxafb.h
6 * -- Intel PXA250/210 LCD Controller Frame Buffer Device
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
14 * Based on acornfb.c Copyright (C) Russell King.
16 * 2001-08-03: Cliff Brake <cbrake@acclent.com>
17 * - ported SA1100 code to PXA
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
24 /* Shadows for LCD controller registers */
25 struct pxafb_lcd_reg {
32 /* PXA LCD DMA descriptor */
33 struct pxafb_dma_descriptor {
49 * These are the addresses we mapped
50 * the framebuffer memory region to.
52 /* raw memory addresses */
53 dma_addr_t map_dma; /* physical */
54 u_char * map_cpu; /* virtual */
57 /* addresses of pieces placed in raw buffer */
58 u_char * screen_cpu; /* virtual address of frame buffer */
59 dma_addr_t screen_dma; /* physical address of frame buffer */
60 u16 * palette_cpu; /* virtual address of palette memory */
61 dma_addr_t palette_dma; /* physical address of palette memory */
65 struct pxafb_dma_descriptor * dmadesc_fblow_cpu;
66 dma_addr_t dmadesc_fblow_dma;
67 struct pxafb_dma_descriptor * dmadesc_fbhigh_cpu;
68 dma_addr_t dmadesc_fbhigh_dma;
69 struct pxafb_dma_descriptor * dmadesc_palette_cpu;
70 dma_addr_t dmadesc_palette_dma;
86 unsigned long hsync_time;
88 volatile u_char state;
89 volatile u_char task_state;
90 struct semaphore ctrlr_sem;
91 wait_queue_head_t ctrlr_wait;
92 struct work_struct task;
94 #ifdef CONFIG_CPU_FREQ
95 struct notifier_block freq_transition;
96 struct notifier_block freq_policy;
100 #define TO_INF(ptr,member) container_of(ptr,struct pxafb_info,member)
103 * These are the actions for set_ctrlr_state
105 #define C_DISABLE (0)
107 #define C_DISABLE_CLKCHANGE (2)
108 #define C_ENABLE_CLKCHANGE (3)
109 #define C_REENABLE (4)
110 #define C_DISABLE_PM (5)
111 #define C_ENABLE_PM (6)
112 #define C_STARTUP (7)
114 #define PXA_NAME "PXA"
117 * Minimum X and Y resolutions
122 #endif /* __PXAFB_H__ */