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83d290c5 | 1 | // SPDX-License-Identifier: GPL-2.0+ |
83510766 SG |
2 | /* |
3 | * Copyright (c) 2015 Google, Inc | |
4 | * (C) Copyright 2001-2015 | |
5 | * DENX Software Engineering -- wd@denx.de | |
6 | * Compulab Ltd - http://compulab.co.il/ | |
7 | * Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com | |
83510766 SG |
8 | */ |
9 | ||
10 | #include <common.h> | |
a085aa1f | 11 | #include <linux/ctype.h> |
83510766 SG |
12 | #include <dm.h> |
13 | #include <video.h> | |
14 | #include <video_console.h> | |
5fba5329 | 15 | #include <video_font.h> /* Bitmap font for code page 437 */ |
83510766 | 16 | |
5c30fbb8 HS |
17 | /* |
18 | * Structure to describe a console color | |
19 | */ | |
20 | struct vid_rgb { | |
21 | u32 r; | |
22 | u32 g; | |
23 | u32 b; | |
24 | }; | |
25 | ||
83510766 SG |
26 | /* By default we scroll by a single line */ |
27 | #ifndef CONFIG_CONSOLE_SCROLL_LINES | |
28 | #define CONFIG_CONSOLE_SCROLL_LINES 1 | |
29 | #endif | |
30 | ||
31 | int vidconsole_putc_xy(struct udevice *dev, uint x, uint y, char ch) | |
32 | { | |
33 | struct vidconsole_ops *ops = vidconsole_get_ops(dev); | |
34 | ||
35 | if (!ops->putc_xy) | |
36 | return -ENOSYS; | |
37 | return ops->putc_xy(dev, x, y, ch); | |
38 | } | |
39 | ||
40 | int vidconsole_move_rows(struct udevice *dev, uint rowdst, uint rowsrc, | |
41 | uint count) | |
42 | { | |
43 | struct vidconsole_ops *ops = vidconsole_get_ops(dev); | |
44 | ||
45 | if (!ops->move_rows) | |
46 | return -ENOSYS; | |
47 | return ops->move_rows(dev, rowdst, rowsrc, count); | |
48 | } | |
49 | ||
50 | int vidconsole_set_row(struct udevice *dev, uint row, int clr) | |
51 | { | |
52 | struct vidconsole_ops *ops = vidconsole_get_ops(dev); | |
53 | ||
54 | if (!ops->set_row) | |
55 | return -ENOSYS; | |
56 | return ops->set_row(dev, row, clr); | |
57 | } | |
58 | ||
58c733a7 SG |
59 | static int vidconsole_entry_start(struct udevice *dev) |
60 | { | |
61 | struct vidconsole_ops *ops = vidconsole_get_ops(dev); | |
62 | ||
63 | if (!ops->entry_start) | |
64 | return -ENOSYS; | |
65 | return ops->entry_start(dev); | |
66 | } | |
67 | ||
83510766 | 68 | /* Move backwards one space */ |
7b9f7e44 | 69 | static int vidconsole_back(struct udevice *dev) |
83510766 SG |
70 | { |
71 | struct vidconsole_priv *priv = dev_get_uclass_priv(dev); | |
7b9f7e44 SG |
72 | struct vidconsole_ops *ops = vidconsole_get_ops(dev); |
73 | int ret; | |
74 | ||
75 | if (ops->backspace) { | |
76 | ret = ops->backspace(dev); | |
77 | if (ret != -ENOSYS) | |
78 | return ret; | |
79 | } | |
83510766 | 80 | |
f2661786 | 81 | priv->xcur_frac -= VID_TO_POS(priv->x_charsize); |
c5b77d01 | 82 | if (priv->xcur_frac < priv->xstart_frac) { |
f2661786 SG |
83 | priv->xcur_frac = (priv->cols - 1) * |
84 | VID_TO_POS(priv->x_charsize); | |
85 | priv->ycur -= priv->y_charsize; | |
86 | if (priv->ycur < 0) | |
87 | priv->ycur = 0; | |
83510766 | 88 | } |
55d39911 | 89 | video_sync(dev->parent, false); |
7b9f7e44 SG |
90 | |
91 | return 0; | |
83510766 SG |
92 | } |
93 | ||
94 | /* Move to a newline, scrolling the display if necessary */ | |
95 | static void vidconsole_newline(struct udevice *dev) | |
96 | { | |
97 | struct vidconsole_priv *priv = dev_get_uclass_priv(dev); | |
98 | struct udevice *vid_dev = dev->parent; | |
99 | struct video_priv *vid_priv = dev_get_uclass_priv(vid_dev); | |
100 | const int rows = CONFIG_CONSOLE_SCROLL_LINES; | |
101 | int i; | |
102 | ||
c5b77d01 | 103 | priv->xcur_frac = priv->xstart_frac; |
f2661786 | 104 | priv->ycur += priv->y_charsize; |
83510766 SG |
105 | |
106 | /* Check if we need to scroll the terminal */ | |
f2661786 | 107 | if ((priv->ycur + priv->y_charsize) / priv->y_charsize > priv->rows) { |
83510766 SG |
108 | vidconsole_move_rows(dev, 0, rows, priv->rows - rows); |
109 | for (i = 0; i < rows; i++) | |
110 | vidconsole_set_row(dev, priv->rows - i - 1, | |
111 | vid_priv->colour_bg); | |
f2661786 | 112 | priv->ycur -= rows * priv->y_charsize; |
83510766 | 113 | } |
58c733a7 SG |
114 | priv->last_ch = 0; |
115 | ||
55d39911 | 116 | video_sync(dev->parent, false); |
83510766 SG |
117 | } |
118 | ||
5c30fbb8 | 119 | static const struct vid_rgb colors[VID_COLOR_COUNT] = { |
703d885c | 120 | { 0x00, 0x00, 0x00 }, /* black */ |
9ffa4d12 HS |
121 | { 0xc0, 0x00, 0x00 }, /* red */ |
122 | { 0x00, 0xc0, 0x00 }, /* green */ | |
123 | { 0xc0, 0x60, 0x00 }, /* brown */ | |
124 | { 0x00, 0x00, 0xc0 }, /* blue */ | |
125 | { 0xc0, 0x00, 0xc0 }, /* magenta */ | |
126 | { 0x00, 0xc0, 0xc0 }, /* cyan */ | |
127 | { 0xc0, 0xc0, 0xc0 }, /* light gray */ | |
128 | { 0x80, 0x80, 0x80 }, /* gray */ | |
129 | { 0xff, 0x00, 0x00 }, /* bright red */ | |
130 | { 0x00, 0xff, 0x00 }, /* bright green */ | |
703d885c | 131 | { 0xff, 0xff, 0x00 }, /* yellow */ |
9ffa4d12 HS |
132 | { 0x00, 0x00, 0xff }, /* bright blue */ |
133 | { 0xff, 0x00, 0xff }, /* bright magenta */ | |
134 | { 0x00, 0xff, 0xff }, /* bright cyan */ | |
703d885c RC |
135 | { 0xff, 0xff, 0xff }, /* white */ |
136 | }; | |
137 | ||
5c30fbb8 | 138 | u32 vid_console_color(struct video_priv *priv, unsigned int idx) |
703d885c RC |
139 | { |
140 | switch (priv->bpix) { | |
141 | case VIDEO_BPP16: | |
5c30fbb8 HS |
142 | return ((colors[idx].r >> 3) << 11) | |
143 | ((colors[idx].g >> 2) << 5) | | |
144 | ((colors[idx].b >> 3) << 0); | |
703d885c | 145 | case VIDEO_BPP32: |
5c30fbb8 HS |
146 | return (colors[idx].r << 16) | |
147 | (colors[idx].g << 8) | | |
148 | (colors[idx].b << 0); | |
703d885c | 149 | default: |
5c30fbb8 HS |
150 | /* |
151 | * For unknown bit arrangements just support | |
152 | * black and white. | |
153 | */ | |
154 | if (idx) | |
155 | return 0xffffff; /* white */ | |
156 | else | |
157 | return 0x000000; /* black */ | |
703d885c RC |
158 | } |
159 | } | |
160 | ||
a085aa1f RC |
161 | static char *parsenum(char *s, int *num) |
162 | { | |
163 | char *end; | |
164 | *num = simple_strtol(s, &end, 10); | |
165 | return end; | |
166 | } | |
167 | ||
662f381a HS |
168 | /** |
169 | * set_cursor_position() - set cursor position | |
170 | * | |
171 | * @priv: private data of the video console | |
172 | * @row: new row | |
173 | * @col: new column | |
174 | */ | |
175 | static void set_cursor_position(struct vidconsole_priv *priv, int row, int col) | |
176 | { | |
177 | /* | |
178 | * Ensure we stay in the bounds of the screen. | |
179 | */ | |
180 | if (row >= priv->rows) | |
181 | row = priv->rows - 1; | |
182 | if (col >= priv->cols) | |
183 | col = priv->cols - 1; | |
184 | ||
185 | priv->ycur = row * priv->y_charsize; | |
186 | priv->xcur_frac = priv->xstart_frac + | |
187 | VID_TO_POS(col * priv->x_charsize); | |
188 | } | |
189 | ||
190 | /** | |
191 | * get_cursor_position() - get cursor position | |
192 | * | |
193 | * @priv: private data of the video console | |
194 | * @row: row | |
195 | * @col: column | |
196 | */ | |
197 | static void get_cursor_position(struct vidconsole_priv *priv, | |
198 | int *row, int *col) | |
199 | { | |
200 | *row = priv->ycur / priv->y_charsize; | |
201 | *col = VID_TO_PIXEL(priv->xcur_frac - priv->xstart_frac) / | |
202 | priv->x_charsize; | |
203 | } | |
204 | ||
a085aa1f RC |
205 | /* |
206 | * Process a character while accumulating an escape string. Chars are | |
207 | * accumulated into escape_buf until the end of escape sequence is | |
208 | * found, at which point the sequence is parsed and processed. | |
209 | */ | |
210 | static void vidconsole_escape_char(struct udevice *dev, char ch) | |
211 | { | |
212 | struct vidconsole_priv *priv = dev_get_uclass_priv(dev); | |
213 | ||
214 | if (!IS_ENABLED(CONFIG_VIDEO_ANSI)) | |
215 | goto error; | |
216 | ||
217 | /* Sanity checking for bogus ESC sequences: */ | |
218 | if (priv->escape_len >= sizeof(priv->escape_buf)) | |
219 | goto error; | |
662f381a HS |
220 | if (priv->escape_len == 0) { |
221 | switch (ch) { | |
222 | case '7': | |
223 | /* Save cursor position */ | |
224 | get_cursor_position(priv, &priv->row_saved, | |
225 | &priv->col_saved); | |
226 | priv->escape = 0; | |
227 | ||
228 | return; | |
229 | case '8': { | |
230 | /* Restore cursor position */ | |
231 | int row = priv->row_saved; | |
232 | int col = priv->col_saved; | |
233 | ||
234 | set_cursor_position(priv, row, col); | |
235 | priv->escape = 0; | |
236 | return; | |
237 | } | |
238 | case '[': | |
239 | break; | |
240 | default: | |
241 | goto error; | |
242 | } | |
243 | } | |
a085aa1f RC |
244 | |
245 | priv->escape_buf[priv->escape_len++] = ch; | |
246 | ||
247 | /* | |
248 | * Escape sequences are terminated by a letter, so keep | |
249 | * accumulating until we get one: | |
250 | */ | |
251 | if (!isalpha(ch)) | |
252 | return; | |
253 | ||
254 | /* | |
255 | * clear escape mode first, otherwise things will get highly | |
256 | * surprising if you hit any debug prints that come back to | |
257 | * this console. | |
258 | */ | |
259 | priv->escape = 0; | |
260 | ||
261 | switch (ch) { | |
29c158b9 AP |
262 | case 'A': |
263 | case 'B': | |
264 | case 'C': | |
265 | case 'D': | |
266 | case 'E': | |
267 | case 'F': { | |
268 | int row, col, num; | |
269 | char *s = priv->escape_buf; | |
270 | ||
271 | /* | |
272 | * Cursor up/down: [%dA, [%dB, [%dE, [%dF | |
273 | * Cursor left/right: [%dD, [%dC | |
274 | */ | |
275 | s++; /* [ */ | |
276 | s = parsenum(s, &num); | |
277 | if (num == 0) /* No digit in sequence ... */ | |
278 | num = 1; /* ... means "move by 1". */ | |
279 | ||
280 | get_cursor_position(priv, &row, &col); | |
281 | if (ch == 'A' || ch == 'F') | |
282 | row -= num; | |
283 | if (ch == 'C') | |
284 | col += num; | |
285 | if (ch == 'D') | |
286 | col -= num; | |
287 | if (ch == 'B' || ch == 'E') | |
288 | row += num; | |
289 | if (ch == 'E' || ch == 'F') | |
290 | col = 0; | |
291 | if (col < 0) | |
292 | col = 0; | |
293 | if (row < 0) | |
294 | row = 0; | |
295 | /* Right and bottom overflows are handled in the callee. */ | |
296 | set_cursor_position(priv, row, col); | |
297 | break; | |
298 | } | |
a085aa1f RC |
299 | case 'H': |
300 | case 'f': { | |
301 | int row, col; | |
302 | char *s = priv->escape_buf; | |
303 | ||
304 | /* | |
305 | * Set cursor position: [%d;%df or [%d;%dH | |
306 | */ | |
307 | s++; /* [ */ | |
308 | s = parsenum(s, &row); | |
309 | s++; /* ; */ | |
310 | s = parsenum(s, &col); | |
311 | ||
118f020d HS |
312 | /* |
313 | * Video origin is [0, 0], terminal origin is [1, 1]. | |
314 | */ | |
315 | if (row) | |
316 | --row; | |
317 | if (col) | |
318 | --col; | |
319 | ||
662f381a | 320 | set_cursor_position(priv, row, col); |
a085aa1f RC |
321 | |
322 | break; | |
323 | } | |
324 | case 'J': { | |
325 | int mode; | |
326 | ||
327 | /* | |
328 | * Clear part/all screen: | |
329 | * [J or [0J - clear screen from cursor down | |
330 | * [1J - clear screen from cursor up | |
331 | * [2J - clear entire screen | |
332 | * | |
333 | * TODO we really only handle entire-screen case, others | |
334 | * probably require some additions to video-uclass (and | |
335 | * are not really needed yet by efi_console) | |
336 | */ | |
337 | parsenum(priv->escape_buf + 1, &mode); | |
338 | ||
339 | if (mode == 2) { | |
340 | video_clear(dev->parent); | |
55d39911 | 341 | video_sync(dev->parent, false); |
a085aa1f RC |
342 | priv->ycur = 0; |
343 | priv->xcur_frac = priv->xstart_frac; | |
344 | } else { | |
345 | debug("unsupported clear mode: %d\n", mode); | |
346 | } | |
347 | break; | |
348 | } | |
4422294c AP |
349 | case 'K': { |
350 | struct video_priv *vid_priv = dev_get_uclass_priv(dev->parent); | |
351 | int mode; | |
352 | ||
353 | /* | |
354 | * Clear (parts of) current line | |
355 | * [0K - clear line to end | |
356 | * [2K - clear entire line | |
357 | */ | |
358 | parsenum(priv->escape_buf + 1, &mode); | |
359 | ||
360 | if (mode == 2) { | |
361 | int row, col; | |
362 | ||
363 | get_cursor_position(priv, &row, &col); | |
364 | vidconsole_set_row(dev, row, vid_priv->colour_bg); | |
365 | } | |
366 | break; | |
367 | } | |
703d885c RC |
368 | case 'm': { |
369 | struct video_priv *vid_priv = dev_get_uclass_priv(dev->parent); | |
370 | char *s = priv->escape_buf; | |
371 | char *end = &priv->escape_buf[priv->escape_len]; | |
372 | ||
373 | /* | |
374 | * Set graphics mode: [%d;...;%dm | |
375 | * | |
376 | * Currently only supports the color attributes: | |
377 | * | |
378 | * Foreground Colors: | |
379 | * | |
380 | * 30 Black | |
381 | * 31 Red | |
382 | * 32 Green | |
383 | * 33 Yellow | |
384 | * 34 Blue | |
385 | * 35 Magenta | |
386 | * 36 Cyan | |
387 | * 37 White | |
388 | * | |
389 | * Background Colors: | |
390 | * | |
391 | * 40 Black | |
392 | * 41 Red | |
393 | * 42 Green | |
394 | * 43 Yellow | |
395 | * 44 Blue | |
396 | * 45 Magenta | |
397 | * 46 Cyan | |
398 | * 47 White | |
399 | */ | |
400 | ||
401 | s++; /* [ */ | |
402 | while (s < end) { | |
403 | int val; | |
404 | ||
405 | s = parsenum(s, &val); | |
406 | s++; | |
407 | ||
408 | switch (val) { | |
9ffa4d12 HS |
409 | case 0: |
410 | /* all attributes off */ | |
b9f210a3 | 411 | video_set_default_colors(dev->parent, false); |
9ffa4d12 HS |
412 | break; |
413 | case 1: | |
414 | /* bold */ | |
415 | vid_priv->fg_col_idx |= 8; | |
416 | vid_priv->colour_fg = vid_console_color( | |
417 | vid_priv, vid_priv->fg_col_idx); | |
418 | break; | |
eabb0725 AP |
419 | case 7: |
420 | /* reverse video */ | |
421 | vid_priv->colour_fg = vid_console_color( | |
422 | vid_priv, vid_priv->bg_col_idx); | |
423 | vid_priv->colour_bg = vid_console_color( | |
424 | vid_priv, vid_priv->fg_col_idx); | |
425 | break; | |
703d885c | 426 | case 30 ... 37: |
5c30fbb8 | 427 | /* foreground color */ |
9ffa4d12 HS |
428 | vid_priv->fg_col_idx &= ~7; |
429 | vid_priv->fg_col_idx |= val - 30; | |
5c30fbb8 | 430 | vid_priv->colour_fg = vid_console_color( |
9ffa4d12 | 431 | vid_priv, vid_priv->fg_col_idx); |
703d885c RC |
432 | break; |
433 | case 40 ... 47: | |
eabb0725 AP |
434 | /* background color, also mask the bold bit */ |
435 | vid_priv->bg_col_idx &= ~0xf; | |
436 | vid_priv->bg_col_idx |= val - 40; | |
5c30fbb8 | 437 | vid_priv->colour_bg = vid_console_color( |
eabb0725 | 438 | vid_priv, vid_priv->bg_col_idx); |
703d885c RC |
439 | break; |
440 | default: | |
5c30fbb8 | 441 | /* ignore unsupported SGR parameter */ |
703d885c RC |
442 | break; |
443 | } | |
444 | } | |
445 | ||
446 | break; | |
447 | } | |
a085aa1f RC |
448 | default: |
449 | debug("unrecognized escape sequence: %*s\n", | |
450 | priv->escape_len, priv->escape_buf); | |
451 | } | |
452 | ||
453 | return; | |
454 | ||
455 | error: | |
456 | /* something went wrong, just revert to normal mode: */ | |
457 | priv->escape = 0; | |
458 | } | |
459 | ||
7035ec3c AP |
460 | /* Put that actual character on the screen (using the CP437 code page). */ |
461 | static int vidconsole_output_glyph(struct udevice *dev, char ch) | |
462 | { | |
463 | struct vidconsole_priv *priv = dev_get_uclass_priv(dev); | |
464 | int ret; | |
465 | ||
466 | /* | |
467 | * Failure of this function normally indicates an unsupported | |
468 | * colour depth. Check this and return an error to help with | |
469 | * diagnosis. | |
470 | */ | |
471 | ret = vidconsole_putc_xy(dev, priv->xcur_frac, priv->ycur, ch); | |
472 | if (ret == -EAGAIN) { | |
473 | vidconsole_newline(dev); | |
474 | ret = vidconsole_putc_xy(dev, priv->xcur_frac, priv->ycur, ch); | |
475 | } | |
476 | if (ret < 0) | |
477 | return ret; | |
478 | priv->xcur_frac += ret; | |
479 | priv->last_ch = ch; | |
480 | if (priv->xcur_frac >= priv->xsize_frac) | |
481 | vidconsole_newline(dev); | |
482 | ||
483 | return 0; | |
484 | } | |
485 | ||
83510766 SG |
486 | int vidconsole_put_char(struct udevice *dev, char ch) |
487 | { | |
488 | struct vidconsole_priv *priv = dev_get_uclass_priv(dev); | |
489 | int ret; | |
490 | ||
a085aa1f RC |
491 | if (priv->escape) { |
492 | vidconsole_escape_char(dev, ch); | |
493 | return 0; | |
494 | } | |
495 | ||
83510766 | 496 | switch (ch) { |
a085aa1f RC |
497 | case '\x1b': |
498 | priv->escape_len = 0; | |
499 | priv->escape = 1; | |
500 | break; | |
5508f10a SG |
501 | case '\a': |
502 | /* beep */ | |
503 | break; | |
83510766 | 504 | case '\r': |
c5b77d01 | 505 | priv->xcur_frac = priv->xstart_frac; |
83510766 SG |
506 | break; |
507 | case '\n': | |
508 | vidconsole_newline(dev); | |
58c733a7 | 509 | vidconsole_entry_start(dev); |
83510766 SG |
510 | break; |
511 | case '\t': /* Tab (8 chars alignment) */ | |
f2661786 SG |
512 | priv->xcur_frac = ((priv->xcur_frac / priv->tab_width_frac) |
513 | + 1) * priv->tab_width_frac; | |
83510766 | 514 | |
f2661786 | 515 | if (priv->xcur_frac >= priv->xsize_frac) |
83510766 SG |
516 | vidconsole_newline(dev); |
517 | break; | |
518 | case '\b': | |
519 | vidconsole_back(dev); | |
58c733a7 | 520 | priv->last_ch = 0; |
83510766 SG |
521 | break; |
522 | default: | |
7035ec3c | 523 | ret = vidconsole_output_glyph(dev, ch); |
f2661786 | 524 | if (ret < 0) |
83510766 | 525 | return ret; |
83510766 SG |
526 | break; |
527 | } | |
528 | ||
529 | return 0; | |
530 | } | |
531 | ||
532 | static void vidconsole_putc(struct stdio_dev *sdev, const char ch) | |
533 | { | |
534 | struct udevice *dev = sdev->priv; | |
535 | ||
536 | vidconsole_put_char(dev, ch); | |
55d39911 | 537 | video_sync(dev->parent, false); |
83510766 SG |
538 | } |
539 | ||
540 | static void vidconsole_puts(struct stdio_dev *sdev, const char *s) | |
541 | { | |
542 | struct udevice *dev = sdev->priv; | |
543 | ||
544 | while (*s) | |
545 | vidconsole_put_char(dev, *s++); | |
55d39911 | 546 | video_sync(dev->parent, false); |
83510766 SG |
547 | } |
548 | ||
549 | /* Set up the number of rows and colours (rotated drivers override this) */ | |
550 | static int vidconsole_pre_probe(struct udevice *dev) | |
551 | { | |
552 | struct vidconsole_priv *priv = dev_get_uclass_priv(dev); | |
553 | struct udevice *vid = dev->parent; | |
554 | struct video_priv *vid_priv = dev_get_uclass_priv(vid); | |
555 | ||
f2661786 | 556 | priv->xsize_frac = VID_TO_POS(vid_priv->xsize); |
83510766 SG |
557 | |
558 | return 0; | |
559 | } | |
560 | ||
561 | /* Register the device with stdio */ | |
562 | static int vidconsole_post_probe(struct udevice *dev) | |
563 | { | |
564 | struct vidconsole_priv *priv = dev_get_uclass_priv(dev); | |
565 | struct stdio_dev *sdev = &priv->sdev; | |
83510766 | 566 | |
f2661786 SG |
567 | if (!priv->tab_width_frac) |
568 | priv->tab_width_frac = VID_TO_POS(priv->x_charsize) * 8; | |
569 | ||
f1a1247d SG |
570 | if (dev->seq) { |
571 | snprintf(sdev->name, sizeof(sdev->name), "vidconsole%d", | |
572 | dev->seq); | |
573 | } else { | |
574 | strcpy(sdev->name, "vidconsole"); | |
575 | } | |
f2661786 | 576 | |
83510766 SG |
577 | sdev->flags = DEV_FLAGS_OUTPUT; |
578 | sdev->putc = vidconsole_putc; | |
579 | sdev->puts = vidconsole_puts; | |
580 | sdev->priv = dev; | |
83510766 | 581 | |
720873bf | 582 | return stdio_register(sdev); |
83510766 SG |
583 | } |
584 | ||
585 | UCLASS_DRIVER(vidconsole) = { | |
586 | .id = UCLASS_VIDEO_CONSOLE, | |
587 | .name = "vidconsole0", | |
588 | .pre_probe = vidconsole_pre_probe, | |
589 | .post_probe = vidconsole_post_probe, | |
590 | .per_device_auto_alloc_size = sizeof(struct vidconsole_priv), | |
591 | }; | |
592 | ||
593 | void vidconsole_position_cursor(struct udevice *dev, unsigned col, unsigned row) | |
594 | { | |
595 | struct vidconsole_priv *priv = dev_get_uclass_priv(dev); | |
f2661786 SG |
596 | struct udevice *vid_dev = dev->parent; |
597 | struct video_priv *vid_priv = dev_get_uclass_priv(vid_dev); | |
83510766 | 598 | |
9949ee87 SG |
599 | col *= priv->x_charsize; |
600 | row *= priv->y_charsize; | |
f2661786 SG |
601 | priv->xcur_frac = VID_TO_POS(min_t(short, col, vid_priv->xsize - 1)); |
602 | priv->ycur = min_t(short, row, vid_priv->ysize - 1); | |
83510766 SG |
603 | } |
604 | ||
605 | static int do_video_setcursor(cmd_tbl_t *cmdtp, int flag, int argc, | |
606 | char *const argv[]) | |
607 | { | |
608 | unsigned int col, row; | |
609 | struct udevice *dev; | |
610 | ||
611 | if (argc != 3) | |
612 | return CMD_RET_USAGE; | |
613 | ||
3f603cbb | 614 | if (uclass_first_device_err(UCLASS_VIDEO_CONSOLE, &dev)) |
83510766 SG |
615 | return CMD_RET_FAILURE; |
616 | col = simple_strtoul(argv[1], NULL, 10); | |
617 | row = simple_strtoul(argv[2], NULL, 10); | |
618 | vidconsole_position_cursor(dev, col, row); | |
619 | ||
620 | return 0; | |
621 | } | |
622 | ||
623 | static int do_video_puts(cmd_tbl_t *cmdtp, int flag, int argc, | |
624 | char *const argv[]) | |
625 | { | |
626 | struct udevice *dev; | |
627 | const char *s; | |
628 | ||
629 | if (argc != 2) | |
630 | return CMD_RET_USAGE; | |
631 | ||
3f603cbb | 632 | if (uclass_first_device_err(UCLASS_VIDEO_CONSOLE, &dev)) |
83510766 SG |
633 | return CMD_RET_FAILURE; |
634 | for (s = argv[1]; *s; s++) | |
635 | vidconsole_put_char(dev, *s); | |
636 | ||
55d39911 | 637 | video_sync(dev->parent, false); |
889808da | 638 | |
83510766 SG |
639 | return 0; |
640 | } | |
641 | ||
642 | U_BOOT_CMD( | |
643 | setcurs, 3, 1, do_video_setcursor, | |
644 | "set cursor position within screen", | |
645 | " <col> <row> in character" | |
646 | ); | |
647 | ||
648 | U_BOOT_CMD( | |
649 | lcdputs, 2, 1, do_video_puts, | |
650 | "print string on video framebuffer", | |
651 | " <string>" | |
652 | ); |