Merge branch 'for-2.6.24' of master.kernel.org:/pub/scm/linux/kernel/git/olof/pasemi...
[linux-2.6] / drivers / video / pxafb.h
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         struct clk              *clk;
44
45         /*
46          * These are the addresses we mapped
47          * the framebuffer memory region to.
48          */
49         /* raw memory addresses */
50         dma_addr_t              map_dma;        /* physical */
51         u_char *                map_cpu;        /* virtual */
52         u_int                   map_size;
53
54         /* addresses of pieces placed in raw buffer */
55         u_char *                screen_cpu;     /* virtual address of frame buffer */
56         dma_addr_t              screen_dma;     /* physical address of frame buffer */
57         u16 *                   palette_cpu;    /* virtual address of palette memory */
58         dma_addr_t              palette_dma;    /* physical address of palette memory */
59         u_int                   palette_size;
60
61         /* DMA descriptors */
62         struct pxafb_dma_descriptor *   dmadesc_fblow_cpu;
63         dma_addr_t              dmadesc_fblow_dma;
64         struct pxafb_dma_descriptor *   dmadesc_fbhigh_cpu;
65         dma_addr_t              dmadesc_fbhigh_dma;
66         struct pxafb_dma_descriptor *   dmadesc_palette_cpu;
67         dma_addr_t              dmadesc_palette_dma;
68
69         dma_addr_t              fdadr0;
70         dma_addr_t              fdadr1;
71
72         u_int                   lccr0;
73         u_int                   lccr3;
74         u_int                   lccr4;
75         u_int                   cmap_inverse:1,
76                                 cmap_static:1,
77                                 unused:30;
78
79         u_int                   reg_lccr0;
80         u_int                   reg_lccr1;
81         u_int                   reg_lccr2;
82         u_int                   reg_lccr3;
83         u_int                   reg_lccr4;
84
85         unsigned long   hsync_time;
86
87         volatile u_char         state;
88         volatile u_char         task_state;
89         struct semaphore        ctrlr_sem;
90         wait_queue_head_t       ctrlr_wait;
91         struct work_struct      task;
92
93 #ifdef CONFIG_CPU_FREQ
94         struct notifier_block   freq_transition;
95         struct notifier_block   freq_policy;
96 #endif
97 };
98
99 #define TO_INF(ptr,member) container_of(ptr,struct pxafb_info,member)
100
101 /*
102  * These are the actions for set_ctrlr_state
103  */
104 #define C_DISABLE               (0)
105 #define C_ENABLE                (1)
106 #define C_DISABLE_CLKCHANGE     (2)
107 #define C_ENABLE_CLKCHANGE      (3)
108 #define C_REENABLE              (4)
109 #define C_DISABLE_PM            (5)
110 #define C_ENABLE_PM             (6)
111 #define C_STARTUP               (7)
112
113 #define PXA_NAME        "PXA"
114
115 /*
116  * Minimum X and Y resolutions
117  */
118 #define MIN_XRES        64
119 #define MIN_YRES        64
120
121 #endif /* __PXAFB_H__ */