2 * S5PC100 and S5PC110 LCD Controller driver.
4 * Author: InKi Dae <inki.dae@samsung.com>
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation; either version 2 of
9 * the License, or (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
26 #include <linux/types.h>
28 #include <asm/arch/cpu.h>
32 #include "opening_wvga_32.h"
34 #define PANEL_WIDTH 480
35 #define PANEL_HEIGHT 800
36 #define S5P_LCD_BPP 32
38 extern void tl2796_panel_power_on(void);
39 extern void tl2796_panel_enable(void);
40 extern void tl2796_panel_init(void);
47 void *lcd_console_address;
52 static unsigned short makepixel565(char r, char g, char b)
54 return (unsigned short)(((r >> 3) << 11) | ((g >> 2) << 5) | (b >> 3));
57 static unsigned int makepixel8888(char a, char r, char g, char b)
59 return (unsigned int)((a << 24) | (r << 16) | (g << 8) | b);
62 static void read_image16(char* pImg, int x1pos, int y1pos, int x2pos,
63 int y2pos, unsigned short pixel)
65 unsigned short *pDst = (unsigned short *)pImg;
66 unsigned int offset_s;
69 for(i = y1pos; i < y2pos; i++) {
70 for(j = x1pos; j < x2pos; j++) {
71 offset_s = i * PANEL_WIDTH + j;
72 *(pDst + offset_s) = pixel;
77 static void read_image32(char* pImg, int x1pos, int y1pos, int x2pos,
78 int y2pos, unsigned int pixel)
80 unsigned int *pDst = (unsigned int *)pImg;
81 unsigned int offset_s;
84 for(i = y1pos; i < y2pos; i++) {
85 for(j = x1pos; j < x2pos; j++) {
86 offset_s = i * PANEL_WIDTH + j;
87 *(pDst+offset_s) = pixel;
93 vidinfo_t panel_info = {
94 .vl_col = PANEL_WIDTH,
95 .vl_row = PANEL_HEIGHT,
96 .vl_width = PANEL_WIDTH,
97 .vl_height = PANEL_HEIGHT,
98 .vl_clkp = CONFIG_SYS_HIGH,
99 .vl_hsp = CONFIG_SYS_LOW,
100 .vl_vsp = CONFIG_SYS_LOW,
101 .vl_dp = CONFIG_SYS_HIGH,
102 .vl_bpix = S5P_LCD_BPP,
117 static void s5pc_lcd_init_mem(void *lcdbase, vidinfo_t *vid)
119 unsigned long palette_size, palette_mem_size;
120 unsigned int fb_size;
122 fb_size = vid->vl_row * vid->vl_col * (vid->vl_bpix / 8);
126 palette_size = NBITS(vid->vl_bpix) == 8 ? 256 : 16;
127 palette_mem_size = palette_size * sizeof(u32);
129 s5pc_fimd_lcd_init_mem((unsigned long)lcd_base, (unsigned long)fb_size, palette_size);
131 udebug("fb_size=%d, screen_base=%x, palette_size=%d, palettle_mem_size=%d\n",
132 fb_size, (unsigned int)lcd_base, (int)palette_size, (int)palette_mem_size);
135 static void s5pc_gpio_setup(void)
137 if (cpu_is_s5pc100())
138 s5pc_c100_gpio_setup();
140 s5pc_c110_gpio_setup();
143 static void s5pc_lcd_init(vidinfo_t *vid)
145 s5pc_fimd_lcd_init(vid);
148 static void lcd_test(void)
151 read_image32((char *)lcd_base, 0, 0, 480, 200,
152 makepixel8888(0, 255, 0, 0));
154 read_image32((char *)lcd_base, 0, 200, 480, 400,
155 makepixel8888(0, 0, 255, 0));
157 read_image32((char *)lcd_base, 0, 400, 480, 600,
158 makepixel8888(0, 0, 0, 255));
160 read_image32((char *)lcd_base, 0, 600, 480, 800,
161 makepixel8888(0, 255, 255, 255));
164 void draw_bitmap(void *lcdbase, int x, int y, int w, int h, unsigned long *bmp)
167 unsigned long *fb = (unsigned long*)lcdbase;
169 for (j = y; j < (y + h); j++) {
170 for (i = x; i < (w + x); i++) {
171 *(fb + (j * PANEL_WIDTH) + i) =
172 *(unsigned long *)(bmp + k);
178 static void draw_samsung_logo(void* lcdbase)
182 x = (PANEL_WIDTH - 138) / 2;
183 y = (PANEL_HEIGHT - 28) / 2 - 5;
185 draw_bitmap(lcdbase, x, y, 138, 28, (unsigned long *)opening_32);
188 static void lcd_panel_on(void)
190 if (cpu_is_s5pc100()) {
191 tl2796_c100_panel_init();
192 tl2796_c100_panel_power_on();
194 tl2796_c110_panel_init();
195 tl2796_c110_panel_power_on();
198 tl2796_panel_enable();
201 void lcd_ctrl_init(void *lcdbase)
203 s5pc_lcd_init_mem(lcdbase, &panel_info);
205 #if defined(CONFIG_S5PC1XXFB_TEST)
206 memset(lcdbase, 0, PANEL_WIDTH*PANEL_HEIGHT*S5P_LCD_BPP/8);
209 #if defined(CONFIG_S5PC1XXFB_LOGO)
210 memset(lcdbase, 0, PANEL_WIDTH*PANEL_HEIGHT*S5P_LCD_BPP/8);
211 draw_samsung_logo(lcdbase);
215 s5pc_lcd_init(&panel_info);
218 void lcd_setcolreg(ushort regno, ushort red, ushort green, ushort blud)
223 void lcd_enable(void)
228 ulong calc_fbsize(void)
230 return s5pc_fimd_calc_fbsize();
233 void s5pc1xxfb_test(void *lcdbase)
235 lcd_ctrl_init(lcdbase);