| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * pxa_lcd.h - PXA LCD Controller structures |
| * |
| * (C) Copyright 2001 |
| * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| */ |
| |
| #ifndef _PXA_LCD_H_ |
| #define _PXA_LCD_H_ |
| |
| /* |
| * PXA LCD DMA descriptor |
| */ |
| struct pxafb_dma_descriptor { |
| u_long fdadr; /* Frame descriptor address register */ |
| u_long fsadr; /* Frame source address register */ |
| u_long fidr; /* Frame ID register */ |
| u_long ldcmd; /* Command register */ |
| }; |
| |
| /* |
| * PXA LCD info |
| */ |
| struct pxafb_info { |
| /* Misc registers */ |
| u_long reg_lccr3; |
| u_long reg_lccr2; |
| u_long reg_lccr1; |
| u_long reg_lccr0; |
| u_long fdadr0; |
| u_long fdadr1; |
| |
| /* DMA descriptors */ |
| struct pxafb_dma_descriptor *dmadesc_fblow; |
| struct pxafb_dma_descriptor *dmadesc_fbhigh; |
| struct pxafb_dma_descriptor *dmadesc_palette; |
| |
| u_long screen; /* physical address of frame buffer */ |
| u_long palette; /* physical address of palette memory */ |
| u_int palette_size; |
| }; |
| |
| /* |
| * LCD controller stucture for PXA CPU |
| */ |
| typedef struct vidinfo { |
| ushort vl_col; /* Number of columns (i.e. 640) */ |
| ushort vl_row; /* Number of rows (i.e. 480) */ |
| ushort vl_rot; /* Rotation of Display (0, 1, 2, 3) */ |
| ushort vl_width; /* Width of display area in millimeters */ |
| ushort vl_height; /* Height of display area in millimeters */ |
| |
| /* LCD configuration register */ |
| u_char vl_clkp; /* Clock polarity */ |
| u_char vl_oep; /* Output Enable polarity */ |
| u_char vl_hsp; /* Horizontal Sync polarity */ |
| u_char vl_vsp; /* Vertical Sync polarity */ |
| u_char vl_dp; /* Data polarity */ |
| u_char vl_bpix;/* Bits per pixel, 0 = 1, 1 = 2, 2 = 4, 3 = 8, 4 = 16 */ |
| u_char vl_lbw; /* LCD Bus width, 0 = 4, 1 = 8 */ |
| u_char vl_splt;/* Split display, 0 = single-scan, 1 = dual-scan */ |
| u_char vl_clor; /* Color, 0 = mono, 1 = color */ |
| u_char vl_tft; /* 0 = passive, 1 = TFT */ |
| |
| /* Horizontal control register. Timing from data sheet */ |
| ushort vl_hpw; /* Horz sync pulse width */ |
| u_char vl_blw; /* Wait before of line */ |
| u_char vl_elw; /* Wait end of line */ |
| |
| /* Vertical control register. */ |
| u_char vl_vpw; /* Vertical sync pulse width */ |
| u_char vl_bfw; /* Wait before of frame */ |
| u_char vl_efw; /* Wait end of frame */ |
| |
| /* PXA LCD controller params */ |
| struct pxafb_info pxa; |
| } vidinfo_t; |
| |
| #endif |