1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * Porting to u-boot:
4  *
5  * (C) Copyright 2011
6  * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
7  *
8  * Copyright (C) 2008-2009 MontaVista Software Inc.
9  * Copyright (C) 2008-2009 Texas Instruments Inc
10  *
11  * Based on the LCD driver for TI Avalanche processors written by
12  * Ajay Singh and Shalom Hai.
13  */
14 
15 #ifndef DA8XX_FB_H
16 #define DA8XX_FB_H
17 
18 enum panel_type {
19 	QVGA = 0,
20 	WVGA
21 };
22 
23 enum panel_shade {
24 	MONOCHROME = 0,
25 	COLOR_ACTIVE,
26 	COLOR_PASSIVE,
27 };
28 
29 enum raster_load_mode {
30 	LOAD_DATA = 1,
31 	LOAD_PALETTE,
32 };
33 
34 struct display_panel {
35 	enum panel_type panel_type; /* QVGA */
36 	int max_bpp;
37 	int min_bpp;
38 	enum panel_shade panel_shade;
39 };
40 
41 struct da8xx_panel {
42 	const char	name[25];	/* Full name <vendor>_<model> */
43 	unsigned short	width;
44 	unsigned short	height;
45 	int		hfp;		/* Horizontal front porch */
46 	int		hbp;		/* Horizontal back porch */
47 	int		hsw;		/* Horizontal Sync Pulse Width */
48 	int		vfp;		/* Vertical front porch */
49 	int		vbp;		/* Vertical back porch */
50 	int		vsw;		/* Vertical Sync Pulse Width */
51 	unsigned int	pxl_clk;	/* Pixel clock */
52 	unsigned char	invert_pxl_clk;	/* Invert Pixel clock */
53 };
54 
55 struct da8xx_lcdc_platform_data {
56 	const char manu_name[10];
57 	void *controller_data;
58 	const char type[25];
59 	void (*panel_power_ctrl)(int);
60 };
61 
62 struct lcd_ctrl_config {
63 	const struct display_panel *p_disp_panel;
64 
65 	/* AC Bias Pin Frequency */
66 	int ac_bias;
67 
68 	/* AC Bias Pin Transitions per Interrupt */
69 	int ac_bias_intrpt;
70 
71 	/* DMA burst size */
72 	int dma_burst_sz;
73 
74 	/* Bits per pixel */
75 	int bpp;
76 
77 	/* FIFO DMA Request Delay */
78 	int fdd;
79 
80 	/* TFT Alternative Signal Mapping (Only for active) */
81 	unsigned char tft_alt_mode;
82 
83 	/* 12 Bit Per Pixel (5-6-5) Mode (Only for passive) */
84 	unsigned char stn_565_mode;
85 
86 	/* Mono 8-bit Mode: 1=D0-D7 or 0=D0-D3 */
87 	unsigned char mono_8bit_mode;
88 
89 	/* Invert line clock */
90 	unsigned char invert_line_clock;
91 
92 	/* Invert frame clock  */
93 	unsigned char invert_frm_clock;
94 
95 	/* Horizontal and Vertical Sync Edge: 0=rising 1=falling */
96 	unsigned char sync_edge;
97 
98 	/* Horizontal and Vertical Sync: Control: 0=ignore */
99 	unsigned char sync_ctrl;
100 
101 	/* Raster Data Order Select: 1=Most-to-least 0=Least-to-most */
102 	unsigned char raster_order;
103 };
104 
105 struct lcd_sync_arg {
106 	int back_porch;
107 	int front_porch;
108 	int pulse_width;
109 };
110 
111 void da8xx_video_init(const struct da8xx_panel *panel,
112 		      const struct lcd_ctrl_config *lcd_cfg,
113 		      int bits_pixel);
114 
115 #endif  /* ifndef DA8XX_FB_H */
116