1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
#ifndef __PXAFB_H__
#define __PXAFB_H__
/*
* linux/drivers/video/pxafb.h
* -- Intel PXA250/210 LCD Controller Frame Buffer Device
*
* Copyright (C) 1999 Eric A. Thomas.
* Copyright (C) 2004 Jean-Frederic Clere.
* Copyright (C) 2004 Ian Campbell.
* Copyright (C) 2004 Jeff Lackey.
* Based on sa1100fb.c Copyright (C) 1999 Eric A. Thomas
* which in turn is
* Based on acornfb.c Copyright (C) Russell King.
*
* 2001-08-03: Cliff Brake <cbrake@acclent.com>
* - ported SA1100 code to PXA
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file COPYING in the main directory of this archive
* for more details.
*/
/* PXA LCD DMA descriptor */
struct pxafb_dma_descriptor {
unsigned int fdadr;
unsigned int fsadr;
unsigned int fidr;
unsigned int ldcmd;
};
enum {
PAL_NONE = -1,
PAL_BASE = 0,
PAL_OV1 = 1,
PAL_OV2 = 2,
PAL_MAX,
};
enum {
DMA_BASE = 0,
DMA_UPPER = 0,
DMA_LOWER = 1,
DMA_OV1 = 1,
DMA_OV2_Y = 2,
DMA_OV2_Cb = 3,
DMA_OV2_Cr = 4,
DMA_CURSOR = 5,
DMA_CMD = 6,
DMA_MAX,
};
/* maximum palette size - 256 entries, each 4 bytes long */
#define PALETTE_SIZE (256 * 4)
#define CMD_BUFF_SIZE (1024 * 50)
struct pxafb_dma_buff {
unsigned char palette[PAL_MAX * PALETTE_SIZE];
uint16_t cmd_buff[CMD_BUFF_SIZE];
struct pxafb_dma_descriptor pal_desc[PAL_MAX];
struct pxafb_dma_descriptor dma_desc[DMA_MAX];
};
struct pxafb_info {
struct fb_info fb;
struct device *dev;
struct clk *clk;
void __iomem *mmio_base;
struct pxafb_dma_buff *dma_buff;
size_t dma_buff_size;
dma_addr_t dma_buff_phys;
dma_addr_t fdadr[DMA_MAX];
void __iomem *video_mem; /* virtual address of frame buffer */
unsigned long video_mem_phys; /* physical address of frame buffer */
size_t video_mem_size; /* size of the frame buffer */
u16 * palette_cpu; /* virtual address of palette memory */
u_int palette_size;
u_int lccr0;
u_int lccr3;
u_int lccr4;
u_int cmap_inverse:1,
cmap_static:1,
unused:30;
u_int reg_lccr0;
u_int reg_lccr1;
u_int reg_lccr2;
u_int reg_lccr3;
u_int reg_lccr4;
u_int reg_cmdcr;
unsigned long hsync_time;
volatile u_char state;
volatile u_char task_state;
struct mutex ctrlr_lock;
wait_queue_head_t ctrlr_wait;
struct work_struct task;
struct completion disable_done;
#ifdef CONFIG_FB_PXA_SMARTPANEL
uint16_t *smart_cmds;
size_t n_smart_cmds;
struct completion command_done;
struct completion refresh_done;
struct task_struct *smart_thread;
#endif
#ifdef CONFIG_CPU_FREQ
struct notifier_block freq_transition;
struct notifier_block freq_policy;
#endif
void (*lcd_power)(int, struct fb_var_screeninfo *);
void (*backlight_power)(int);
};
#define TO_INF(ptr,member) container_of(ptr,struct pxafb_info,member)
/*
* These are the actions for set_ctrlr_state
*/
#define C_DISABLE (0)
#define C_ENABLE (1)
#define C_DISABLE_CLKCHANGE (2)
#define C_ENABLE_CLKCHANGE (3)
#define C_REENABLE (4)
#define C_DISABLE_PM (5)
#define C_ENABLE_PM (6)
#define C_STARTUP (7)
#define PXA_NAME "PXA"
/*
* Minimum X and Y resolutions
*/
#define MIN_XRES 64
#define MIN_YRES 64
#endif /* __PXAFB_H__ */
|
