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10#include <common.h>
11#include <lcd.h>
12#include <video_font.h>
13#if defined(CONFIG_LCD_LOGO)
14#include <bmp_logo.h>
15#endif
16
17static struct console_t cons;
18
19void lcd_set_col(short col)
20{
21 cons.curr_col = col;
22}
23
24void lcd_set_row(short row)
25{
26 cons.curr_row = row;
27}
28
29void lcd_position_cursor(unsigned col, unsigned row)
30{
31 cons.curr_col = min_t(short, col, cons.cols - 1);
32 cons.curr_row = min_t(short, row, cons.rows - 1);
33}
34
35int lcd_get_screen_rows(void)
36{
37 return cons.rows;
38}
39
40int lcd_get_screen_columns(void)
41{
42 return cons.cols;
43}
44
45static void lcd_putc_xy0(struct console_t *pcons, ushort x, ushort y, char c)
46{
47 int fg_color = lcd_getfgcolor();
48 int bg_color = lcd_getbgcolor();
49 int i, row;
50 fbptr_t *dst = (fbptr_t *)pcons->fbbase +
51 y * pcons->lcdsizex +
52 x;
53
54 for (row = 0; row < VIDEO_FONT_HEIGHT; row++) {
55 uchar bits = video_fontdata[c * VIDEO_FONT_HEIGHT + row];
56 for (i = 0; i < VIDEO_FONT_WIDTH; ++i) {
57 *dst++ = (bits & 0x80) ? fg_color : bg_color;
58 bits <<= 1;
59 }
60 dst += (pcons->lcdsizex - VIDEO_FONT_WIDTH);
61 }
62}
63
64static inline void console_setrow0(struct console_t *pcons, u32 row, int clr)
65{
66 int i;
67 fbptr_t *dst = (fbptr_t *)pcons->fbbase +
68 row * VIDEO_FONT_HEIGHT *
69 pcons->lcdsizex;
70
71 for (i = 0; i < (VIDEO_FONT_HEIGHT * pcons->lcdsizex); i++)
72 *dst++ = clr;
73}
74
75static inline void console_moverow0(struct console_t *pcons,
76 u32 rowdst, u32 rowsrc)
77{
78 int i;
79 fbptr_t *dst = (fbptr_t *)pcons->fbbase +
80 rowdst * VIDEO_FONT_HEIGHT *
81 pcons->lcdsizex;
82
83 fbptr_t *src = (fbptr_t *)pcons->fbbase +
84 rowsrc * VIDEO_FONT_HEIGHT *
85 pcons->lcdsizex;
86
87 for (i = 0; i < (VIDEO_FONT_HEIGHT * pcons->lcdsizex); i++)
88 *dst++ = *src++;
89}
90
91static inline void console_back(void)
92{
93 if (--cons.curr_col < 0) {
94 cons.curr_col = cons.cols - 1;
95 if (--cons.curr_row < 0)
96 cons.curr_row = 0;
97 }
98
99 cons.fp_putc_xy(&cons,
100 cons.curr_col * VIDEO_FONT_WIDTH,
101 cons.curr_row * VIDEO_FONT_HEIGHT, ' ');
102}
103
104static inline void console_newline(void)
105{
106 const int rows = CONFIG_CONSOLE_SCROLL_LINES;
107 int bg_color = lcd_getbgcolor();
108 int i;
109
110 cons.curr_col = 0;
111
112
113 if (++cons.curr_row >= cons.rows) {
114 for (i = 0; i < cons.rows-rows; i++)
115 cons.fp_console_moverow(&cons, i, i+rows);
116 for (i = 0; i < rows; i++)
117 cons.fp_console_setrow(&cons, cons.rows-i-1, bg_color);
118 cons.curr_row -= rows;
119 }
120 lcd_sync();
121}
122
123void console_calc_rowcol(struct console_t *pcons, u32 sizex, u32 sizey)
124{
125 pcons->cols = sizex / VIDEO_FONT_WIDTH;
126#if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
127 pcons->rows = (pcons->lcdsizey - BMP_LOGO_HEIGHT);
128 pcons->rows /= VIDEO_FONT_HEIGHT;
129#else
130 pcons->rows = sizey / VIDEO_FONT_HEIGHT;
131#endif
132}
133
134void __weak lcd_init_console_rot(struct console_t *pcons)
135{
136 return;
137}
138
139void lcd_init_console(void *address, int vl_cols, int vl_rows, int vl_rot)
140{
141 memset(&cons, 0, sizeof(cons));
142 cons.fbbase = address;
143
144 cons.lcdsizex = vl_cols;
145 cons.lcdsizey = vl_rows;
146 cons.lcdrot = vl_rot;
147
148 cons.fp_putc_xy = &lcd_putc_xy0;
149 cons.fp_console_moverow = &console_moverow0;
150 cons.fp_console_setrow = &console_setrow0;
151 console_calc_rowcol(&cons, cons.lcdsizex, cons.lcdsizey);
152
153 lcd_init_console_rot(&cons);
154
155 debug("lcd_console: have %d/%d col/rws on scr %dx%d (%d deg rotated)\n",
156 cons.cols, cons.rows, cons.lcdsizex, cons.lcdsizey, vl_rot);
157}
158
159void lcd_putc(const char c)
160{
161 if (!lcd_is_enabled) {
162 serial_putc(c);
163
164 return;
165 }
166
167 switch (c) {
168 case '\r':
169 cons.curr_col = 0;
170 return;
171 case '\n':
172 console_newline();
173
174 return;
175 case '\t':
176 cons.curr_col += 8;
177 cons.curr_col &= ~7;
178
179 if (cons.curr_col >= cons.cols)
180 console_newline();
181
182 return;
183 case '\b':
184 console_back();
185
186 return;
187 default:
188 cons.fp_putc_xy(&cons,
189 cons.curr_col * VIDEO_FONT_WIDTH,
190 cons.curr_row * VIDEO_FONT_HEIGHT, c);
191 if (++cons.curr_col >= cons.cols)
192 console_newline();
193 }
194}
195
196void lcd_puts(const char *s)
197{
198 if (!lcd_is_enabled) {
199 serial_puts(s);
200
201 return;
202 }
203
204 while (*s)
205 lcd_putc(*s++);
206
207 lcd_sync();
208}
209
210void lcd_printf(const char *fmt, ...)
211{
212 va_list args;
213 char buf[CONFIG_SYS_PBSIZE];
214
215 va_start(args, fmt);
216 vsprintf(buf, fmt, args);
217 va_end(args);
218
219 lcd_puts(buf);
220}
221
222static int do_lcd_setcursor(cmd_tbl_t *cmdtp, int flag, int argc,
223 char *const argv[])
224{
225 unsigned int col, row;
226
227 if (argc != 3)
228 return CMD_RET_USAGE;
229
230 col = simple_strtoul(argv[1], NULL, 10);
231 row = simple_strtoul(argv[2], NULL, 10);
232 lcd_position_cursor(col, row);
233
234 return 0;
235}
236
237static int do_lcd_puts(cmd_tbl_t *cmdtp, int flag, int argc,
238 char *const argv[])
239{
240 if (argc != 2)
241 return CMD_RET_USAGE;
242
243 lcd_puts(argv[1]);
244
245 return 0;
246}
247
248U_BOOT_CMD(
249 setcurs, 3, 1, do_lcd_setcursor,
250 "set cursor position within screen",
251 " <col> <row> in character"
252);
253
254U_BOOT_CMD(
255 lcdputs, 2, 1, do_lcd_puts,
256 "print string on lcd-framebuffer",
257 " <string>"
258);
259
260
