1 #ifndef __PXAFB_H__
2 #define __PXAFB_H__
3
4 /*
5 * linux/drivers/video/pxafb.h
6 * -- Intel PXA250/210 LCD Controller Frame Buffer Device
7 *
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
13 * which in turn is
14 * Based on acornfb.c Copyright (C) Russell King.
15 *
16 * 2001-08-03: Cliff Brake <cbrake@acclent.com>
17 * - ported SA1100 code to PXA
18 *
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
21 * for more details.
22 */
23
24 /* Shadows for LCD controller registers */
25 struct pxafb_lcd_reg {
26 unsigned int lccr0;
27 unsigned int lccr1;
28 unsigned int lccr2;
29 unsigned int lccr3;
30 };
31
32 /* PXA LCD DMA descriptor */
33 struct pxafb_dma_descriptor {
34 unsigned int fdadr;
35 unsigned int fsadr;
36 unsigned int fidr;
37 unsigned int ldcmd;
38 };
39
40 struct pxafb_info {
41 struct fb_info fb;
42 struct device *dev;
43
44 u_int max_bpp;
45 u_int max_xres;
46 u_int max_yres;
47
48 /*
49 * These are the addresses we mapped
50 * the framebuffer memory region to.
51 */
52 /* raw memory addresses */
53 dma_addr_t map_dma; /* physical */
54 u_char * map_cpu; /* virtual */
55 u_int map_size;
56
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 */
62 u_int palette_size;
63
64 /* DMA descriptors */
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;
71
72 dma_addr_t fdadr0;
73 dma_addr_t fdadr1;
74
75 u_int lccr0;
76 u_int lccr3;
77 u_int cmap_inverse:1,
78 cmap_static:1,
79 unused:30;
80
81 u_int reg_lccr0;
82 u_int reg_lccr1;
83 u_int reg_lccr2;
84 u_int reg_lccr3;
85
86 volatile u_char state;
87 volatile u_char task_state;
88 struct semaphore ctrlr_sem;
89 wait_queue_head_t ctrlr_wait;
90 struct work_struct task;
91
92 #ifdef CONFIG_CPU_FREQ
93 struct notifier_block freq_transition;
94 struct notifier_block freq_policy;
95 #endif
96 };
97
98 #define TO_INF(ptr,member) container_of(ptr,struct pxafb_info,member)
99
100 /*
101 * These are the actions for set_ctrlr_state
102 */
103 #define C_DISABLE (0)
104 #define C_ENABLE (1)
105 #define C_DISABLE_CLKCHANGE (2)
106 #define C_ENABLE_CLKCHANGE (3)
107 #define C_REENABLE (4)
108 #define C_DISABLE_PM (5)
109 #define C_ENABLE_PM (6)
110 #define C_STARTUP (7)
111
112 #define PXA_NAME "PXA"
113
114 /*
115 * Debug macros
116 */
117 #if DEBUG
118 # define DPRINTK(fmt, args...) printk("%s: " fmt, __FUNCTION__ , ## args)
119 #else
120 # define DPRINTK(fmt, args...)
121 #endif
122
123 /*
124 * Minimum X and Y resolutions
125 */
126 #define MIN_XRES 64
127 #define MIN_YRES 64
128
129 #endif /* __PXAFB_H__ */
130
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