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1 /*
2 * pxa_lcd.h - PXA LCD Controller structures
3 *
4 * (C) Copyright 2001
5 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
6 *
7 * SPDX-License-Identifier: GPL-2.0+
8 */
9
10 #ifndef _PXA_LCD_H_
11 #define _PXA_LCD_H_
12
13 /*
14 * PXA LCD DMA descriptor
15 */
16 struct pxafb_dma_descriptor {
17 u_long fdadr; /* Frame descriptor address register */
18 u_long fsadr; /* Frame source address register */
19 u_long fidr; /* Frame ID register */
20 u_long ldcmd; /* Command register */
21 };
22
23 /*
24 * PXA LCD info
25 */
26 struct pxafb_info {
27 /* Misc registers */
28 u_long reg_lccr3;
29 u_long reg_lccr2;
30 u_long reg_lccr1;
31 u_long reg_lccr0;
32 u_long fdadr0;
33 u_long fdadr1;
34
35 /* DMA descriptors */
36 struct pxafb_dma_descriptor *dmadesc_fblow;
37 struct pxafb_dma_descriptor *dmadesc_fbhigh;
38 struct pxafb_dma_descriptor *dmadesc_palette;
39
40 u_long screen; /* physical address of frame buffer */
41 u_long palette; /* physical address of palette memory */
42 u_int palette_size;
43 };
44
45 /*
46 * LCD controller stucture for PXA CPU
47 */
48 typedef struct vidinfo {
49 ushort vl_col; /* Number of columns (i.e. 640) */
50 ushort vl_row; /* Number of rows (i.e. 480) */
51 ushort vl_rot; /* Rotation of Display (0, 1, 2, 3) */
52 ushort vl_width; /* Width of display area in millimeters */
53 ushort vl_height; /* Height of display area in millimeters */
54
55 /* LCD configuration register */
56 u_char vl_clkp; /* Clock polarity */
57 u_char vl_oep; /* Output Enable polarity */
58 u_char vl_hsp; /* Horizontal Sync polarity */
59 u_char vl_vsp; /* Vertical Sync polarity */
60 u_char vl_dp; /* Data polarity */
61 u_char vl_bpix;/* Bits per pixel, 0 = 1, 1 = 2, 2 = 4, 3 = 8, 4 = 16 */
62 u_char vl_lbw; /* LCD Bus width, 0 = 4, 1 = 8 */
63 u_char vl_splt;/* Split display, 0 = single-scan, 1 = dual-scan */
64 u_char vl_clor; /* Color, 0 = mono, 1 = color */
65 u_char vl_tft; /* 0 = passive, 1 = TFT */
66
67 /* Horizontal control register. Timing from data sheet */
68 ushort vl_hpw; /* Horz sync pulse width */
69 u_char vl_blw; /* Wait before of line */
70 u_char vl_elw; /* Wait end of line */
71
72 /* Vertical control register. */
73 u_char vl_vpw; /* Vertical sync pulse width */
74 u_char vl_bfw; /* Wait before of frame */
75 u_char vl_efw; /* Wait end of frame */
76
77 /* PXA LCD controller params */
78 struct pxafb_info pxa;
79 } vidinfo_t;
80
81 #endif