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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__ */ |