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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 | /* PXA LCD DMA descriptor */ | |
25 | struct pxafb_dma_descriptor { | |
26 | unsigned int fdadr; | |
27 | unsigned int fsadr; | |
28 | unsigned int fidr; | |
29 | unsigned int ldcmd; | |
30 | }; | |
31 | ||
32 | enum { | |
33 | PAL_NONE = -1, | |
34 | PAL_BASE = 0, | |
35 | PAL_OV1 = 1, | |
36 | PAL_OV2 = 2, | |
37 | PAL_MAX, | |
38 | }; | |
39 | ||
40 | enum { | |
41 | DMA_BASE = 0, | |
42 | DMA_UPPER = 0, | |
43 | DMA_LOWER = 1, | |
44 | DMA_OV1 = 1, | |
45 | DMA_OV2_Y = 2, | |
46 | DMA_OV2_Cb = 3, | |
47 | DMA_OV2_Cr = 4, | |
48 | DMA_CURSOR = 5, | |
49 | DMA_CMD = 6, | |
50 | DMA_MAX, | |
51 | }; | |
52 | ||
53 | /* maximum palette size - 256 entries, each 4 bytes long */ | |
54 | #define PALETTE_SIZE (256 * 4) | |
55 | #define CMD_BUFF_SIZE (1024 * 50) | |
56 | ||
57 | /* NOTE: the palette and frame dma descriptors are doubled to allow | |
58 | * the 2nd set for branch settings (FBRx) | |
59 | */ | |
60 | struct pxafb_dma_buff { | |
61 | unsigned char palette[PAL_MAX * PALETTE_SIZE]; | |
62 | uint16_t cmd_buff[CMD_BUFF_SIZE]; | |
63 | struct pxafb_dma_descriptor pal_desc[PAL_MAX * 2]; | |
64 | struct pxafb_dma_descriptor dma_desc[DMA_MAX * 2]; | |
65 | }; | |
66 | ||
67 | struct pxafb_info { | |
68 | struct fb_info fb; | |
69 | struct device *dev; | |
70 | struct clk *clk; | |
71 | ||
72 | void __iomem *mmio_base; | |
73 | ||
74 | struct pxafb_dma_buff *dma_buff; | |
75 | size_t dma_buff_size; | |
76 | dma_addr_t dma_buff_phys; | |
77 | dma_addr_t fdadr[DMA_MAX * 2]; | |
78 | ||
79 | void __iomem *video_mem; /* virtual address of frame buffer */ | |
80 | unsigned long video_mem_phys; /* physical address of frame buffer */ | |
81 | size_t video_mem_size; /* size of the frame buffer */ | |
82 | u16 * palette_cpu; /* virtual address of palette memory */ | |
83 | u_int palette_size; | |
84 | ||
85 | u_int lccr0; | |
86 | u_int lccr3; | |
87 | u_int lccr4; | |
88 | u_int cmap_inverse:1, | |
89 | cmap_static:1, | |
90 | unused:30; | |
91 | ||
92 | u_int reg_lccr0; | |
93 | u_int reg_lccr1; | |
94 | u_int reg_lccr2; | |
95 | u_int reg_lccr3; | |
96 | u_int reg_lccr4; | |
97 | u_int reg_cmdcr; | |
98 | ||
99 | unsigned long hsync_time; | |
100 | ||
101 | volatile u_char state; | |
102 | volatile u_char task_state; | |
103 | struct mutex ctrlr_lock; | |
104 | wait_queue_head_t ctrlr_wait; | |
105 | struct work_struct task; | |
106 | ||
107 | struct completion disable_done; | |
108 | ||
109 | #ifdef CONFIG_FB_PXA_SMARTPANEL | |
110 | uint16_t *smart_cmds; | |
111 | size_t n_smart_cmds; | |
112 | struct completion command_done; | |
113 | struct completion refresh_done; | |
114 | struct task_struct *smart_thread; | |
115 | #endif | |
116 | ||
117 | #ifdef CONFIG_CPU_FREQ | |
118 | struct notifier_block freq_transition; | |
119 | struct notifier_block freq_policy; | |
120 | #endif | |
121 | ||
122 | void (*lcd_power)(int, struct fb_var_screeninfo *); | |
123 | void (*backlight_power)(int); | |
124 | }; | |
125 | ||
126 | #define TO_INF(ptr,member) container_of(ptr,struct pxafb_info,member) | |
127 | ||
128 | /* | |
129 | * These are the actions for set_ctrlr_state | |
130 | */ | |
131 | #define C_DISABLE (0) | |
132 | #define C_ENABLE (1) | |
133 | #define C_DISABLE_CLKCHANGE (2) | |
134 | #define C_ENABLE_CLKCHANGE (3) | |
135 | #define C_REENABLE (4) | |
136 | #define C_DISABLE_PM (5) | |
137 | #define C_ENABLE_PM (6) | |
138 | #define C_STARTUP (7) | |
139 | ||
140 | #define PXA_NAME "PXA" | |
141 | ||
142 | /* | |
143 | * Minimum X and Y resolutions | |
144 | */ | |
145 | #define MIN_XRES 64 | |
146 | #define MIN_YRES 64 | |
147 | ||
148 | /* maximum X and Y resolutions - note these are limits from the register | |
149 | * bits length instead of the real ones | |
150 | */ | |
151 | #define MAX_XRES 1024 | |
152 | #define MAX_YRES 1024 | |
153 | ||
154 | #endif /* __PXAFB_H__ */ |