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 {
61 /* maximum palette size - 256 entries, each 4 bytes long */
62 #define PALETTE_SIZE (256 * 4)
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];
75 void __iomem *mmio_base;
77 struct pxafb_dma_buff *dma_buff;
78 dma_addr_t dma_buff_phys;
79 dma_addr_t fdadr[DMA_MAX];
82 * These are the addresses we mapped
83 * the framebuffer memory region to.
85 /* raw memory addresses */
86 dma_addr_t map_dma; /* physical */
87 u_char * map_cpu; /* virtual */
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 */
109 unsigned long hsync_time;
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;
117 struct completion disable_done;
119 #ifdef CONFIG_CPU_FREQ
120 struct notifier_block freq_transition;
121 struct notifier_block freq_policy;
125 #define TO_INF(ptr,member) container_of(ptr,struct pxafb_info,member)
128 * These are the actions for set_ctrlr_state
130 #define C_DISABLE (0)
132 #define C_DISABLE_CLKCHANGE (2)
133 #define C_ENABLE_CLKCHANGE (3)
134 #define C_REENABLE (4)
135 #define C_DISABLE_PM (5)
136 #define C_ENABLE_PM (6)
137 #define C_STARTUP (7)
139 #define PXA_NAME "PXA"
142 * Minimum X and Y resolutions
147 #endif /* __PXAFB_H__ */