1 /*
2  * Copyright 2007 Freescale Semiconductor, Inc.
3  * York Sun <yorksun@freescale.com>
4  *
5  * FSL DIU Framebuffer driver
6  *
7  * See file CREDITS for list of people who contributed to this
8  * project.
9  *
10  * This program is free software; you can redistribute it and/or
11  * modify it under the terms of the GNU General Public License as
12  * published by the Free Software Foundation; either version 2 of
13  * the License, or (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with this program; if not, write to the Free Software
22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
23  * MA 02111-1307 USA
24  */
25 
26 #include <common.h>
27 #include <command.h>
28 #include <asm/io.h>
29 
30 #ifdef CONFIG_FSL_DIU_FB
31 
32 #include "../common/pixis.h"
33 #include "../common/fsl_diu_fb.h"
34 
35 #if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE)
36 #include <devices.h>
37 #include <video_fb.h>
38 #endif
39 
40 extern unsigned int FSL_Logo_BMP[];
41 
42 static int xres, yres;
43 
44 
45 void mpc8610hpcd_diu_init(void)
46 {
47 	char *monitor_port;
48 	int gamma_fix;
49 	unsigned int pixel_format;
50 	unsigned char tmp_val;
51 	unsigned char pixis_arch;
52 
53 	tmp_val = in8(PIXIS_BASE + PIXIS_BRDCFG0);
54 	pixis_arch = in8(PIXIS_BASE + PIXIS_VER);
55 
56 	monitor_port = getenv("monitor");
57 	if (!strncmp(monitor_port, "0", 1)) {	/* 0 - DVI */
58 		xres = 1280;
59 		yres = 1024;
60 		if (pixis_arch == 0x01)
61 			pixel_format = 0x88882317;
62 		else
63 			pixel_format = 0x88883316;
64 		gamma_fix = 0;
65 		out8(PIXIS_BASE + PIXIS_BRDCFG0, tmp_val | 0x08);
66 
67 	} else if (!strncmp(monitor_port, "1", 1)) { /* 1 - Single link LVDS */
68 		xres = 1024;
69 		yres = 768;
70 		pixel_format = 0x88883316;
71 		gamma_fix = 0;
72 		out8(PIXIS_BASE + PIXIS_BRDCFG0, (tmp_val & 0xf7) | 0x10);
73 
74 	} else if (!strncmp(monitor_port, "2", 1)) { /* 2 - Double link LVDS */
75 		xres = 1280;
76 		yres = 1024;
77 		pixel_format = 0x88883316;
78 		gamma_fix = 1;
79 		out8(PIXIS_BASE + PIXIS_BRDCFG0, tmp_val & 0xe7);
80 
81 	} else {	/* DVI */
82 		xres = 1280;
83 		yres = 1024;
84 		pixel_format = 0x88882317;
85 		gamma_fix = 0;
86 		out8(PIXIS_BASE + PIXIS_BRDCFG0, tmp_val | 0x08);
87 	}
88 
89 	fsl_diu_init(xres, pixel_format, gamma_fix,
90 		     (unsigned char *)FSL_Logo_BMP);
91 }
92 
93 int mpc8610diu_init_show_bmp(cmd_tbl_t *cmdtp,
94 			     int flag, int argc, char *argv[])
95 {
96 	unsigned int addr;
97 
98 	if (argc < 2) {
99 		printf ("Usage:\n%s\n", cmdtp->usage);
100 		return 1;
101 	}
102 
103 	if (!strncmp(argv[1],"init",4)) {
104 #if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE)
105 		fsl_diu_clear_screen();
106 		drv_video_init();
107 #else
108 		mpc8610hpcd_diu_init();
109 #endif
110 	} else {
111 		addr = simple_strtoul(argv[1], NULL, 16);
112 		fsl_diu_clear_screen();
113 		fsl_diu_display_bmp((unsigned char *)addr, 0, 0, 0);
114 	}
115 
116 	return 0;
117 }
118 
119 U_BOOT_CMD(
120 	diufb, CFG_MAXARGS, 1, mpc8610diu_init_show_bmp,
121 	"diufb init | addr - Init or Display BMP file\n",
122 	"init\n    - initialize DIU\n"
123 	"addr\n    - display bmp at address 'addr'\n"
124 	);
125 
126 
127 #if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE)
128 
129 /*
130  * The Graphic Device
131  */
132 GraphicDevice ctfb;
133 void *video_hw_init(void)
134 {
135 	GraphicDevice *pGD = (GraphicDevice *) &ctfb;
136 	struct fb_info *info;
137 
138 	mpc8610hpcd_diu_init();
139 
140 	/* fill in Graphic device struct */
141 	sprintf(pGD->modeIdent,
142 		"%dx%dx%d %ldkHz %ldHz",
143 		xres, yres, 32, 64, 60);
144 
145 	pGD->frameAdrs = (unsigned int)fsl_fb_open(&info);
146 	pGD->winSizeX = xres;
147 	pGD->winSizeY = yres - info->logo_height;
148 	pGD->plnSizeX = pGD->winSizeX;
149 	pGD->plnSizeY = pGD->winSizeY;
150 
151 	pGD->gdfBytesPP = 4;
152 	pGD->gdfIndex = GDF_32BIT_X888RGB;
153 
154 	pGD->isaBase = 0;
155 	pGD->pciBase = 0;
156 	pGD->memSize = info->screen_size - info->logo_size;
157 
158 	/* Cursor Start Address */
159 	pGD->dprBase = 0;
160 	pGD->vprBase = 0;
161 	pGD->cprBase = 0;
162 
163 	return (void *)pGD;
164 }
165 
166 void video_set_lut (unsigned int index,	/* color number */
167 		    unsigned char r,	/* red */
168 		    unsigned char g,	/* green */
169 		    unsigned char b	/* blue */
170 		    )
171 {
172 	return;
173 }
174 
175 #endif /* defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE) */
176 
177 #endif /* CONFIG_FSL_DIU_FB */
178