Simon Glass | a0874dc | 2023-06-01 10:23:02 -0600 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
| 2 | /* |
| 3 | * Implementation of configuration editor |
| 4 | * |
| 5 | * Copyright 2023 Google LLC |
| 6 | * Written by Simon Glass <sjg@chromium.org> |
| 7 | */ |
| 8 | |
Simon Glass | 8d0f890 | 2023-08-14 16:40:27 -0600 | [diff] [blame] | 9 | #define LOG_CATEGORY LOGC_EXPO |
| 10 | |
Simon Glass | a0874dc | 2023-06-01 10:23:02 -0600 | [diff] [blame] | 11 | #include <common.h> |
Simon Glass | 2dee81f | 2023-08-14 16:40:33 -0600 | [diff] [blame] | 12 | #include <abuf.h> |
Simon Glass | 040b046 | 2023-08-14 16:40:25 -0600 | [diff] [blame] | 13 | #include <cedit.h> |
Simon Glass | a0874dc | 2023-06-01 10:23:02 -0600 | [diff] [blame] | 14 | #include <cli.h> |
| 15 | #include <dm.h> |
Simon Glass | fc9c0e0 | 2023-08-14 16:40:35 -0600 | [diff] [blame] | 16 | #include <env.h> |
Simon Glass | a0874dc | 2023-06-01 10:23:02 -0600 | [diff] [blame] | 17 | #include <expo.h> |
Simon Glass | eb6c71b | 2023-08-14 16:40:37 -0600 | [diff] [blame^] | 18 | #include <malloc.h> |
Simon Glass | a0874dc | 2023-06-01 10:23:02 -0600 | [diff] [blame] | 19 | #include <menu.h> |
Simon Glass | eb6c71b | 2023-08-14 16:40:37 -0600 | [diff] [blame^] | 20 | #include <rtc.h> |
Simon Glass | a0874dc | 2023-06-01 10:23:02 -0600 | [diff] [blame] | 21 | #include <video.h> |
| 22 | #include <linux/delay.h> |
| 23 | #include "scene_internal.h" |
| 24 | |
Simon Glass | eb6c71b | 2023-08-14 16:40:37 -0600 | [diff] [blame^] | 25 | enum { |
| 26 | CMOS_MAX_BITS = 2048, |
| 27 | CMOS_MAX_BYTES = CMOS_MAX_BITS / 8, |
| 28 | }; |
| 29 | |
| 30 | #define CMOS_BYTE(bit) ((bit) / 8) |
| 31 | #define CMOS_BIT(bit) ((bit) % 8) |
| 32 | |
Simon Glass | 2dee81f | 2023-08-14 16:40:33 -0600 | [diff] [blame] | 33 | /** |
| 34 | * struct cedit_iter_priv - private data for cedit operations |
| 35 | * |
| 36 | * @buf: Buffer to use when writing settings to the devicetree |
Simon Glass | 472317c | 2023-08-14 16:40:34 -0600 | [diff] [blame] | 37 | * @node: Node to read from when reading settings from devicetree |
Simon Glass | fc9c0e0 | 2023-08-14 16:40:35 -0600 | [diff] [blame] | 38 | * @verbose: true to show writing to environment variables |
Simon Glass | eb6c71b | 2023-08-14 16:40:37 -0600 | [diff] [blame^] | 39 | * @mask: Mask bits for the CMOS RAM. If a bit is set the byte containing it |
| 40 | * will be written |
| 41 | * @value: Value bits for CMOS RAM. This is the actual value written |
Simon Glass | 2dee81f | 2023-08-14 16:40:33 -0600 | [diff] [blame] | 42 | */ |
| 43 | struct cedit_iter_priv { |
| 44 | struct abuf *buf; |
Simon Glass | 472317c | 2023-08-14 16:40:34 -0600 | [diff] [blame] | 45 | ofnode node; |
Simon Glass | fc9c0e0 | 2023-08-14 16:40:35 -0600 | [diff] [blame] | 46 | bool verbose; |
Simon Glass | eb6c71b | 2023-08-14 16:40:37 -0600 | [diff] [blame^] | 47 | u8 *mask; |
| 48 | u8 *value; |
Simon Glass | 2dee81f | 2023-08-14 16:40:33 -0600 | [diff] [blame] | 49 | }; |
| 50 | |
Simon Glass | a0874dc | 2023-06-01 10:23:02 -0600 | [diff] [blame] | 51 | int cedit_arange(struct expo *exp, struct video_priv *vpriv, uint scene_id) |
| 52 | { |
| 53 | struct scene_obj_txt *txt; |
| 54 | struct scene_obj *obj; |
| 55 | struct scene *scn; |
| 56 | int y; |
| 57 | |
| 58 | scn = expo_lookup_scene_id(exp, scene_id); |
| 59 | if (!scn) |
| 60 | return log_msg_ret("scn", -ENOENT); |
| 61 | |
| 62 | txt = scene_obj_find_by_name(scn, "prompt"); |
| 63 | if (txt) |
| 64 | scene_obj_set_pos(scn, txt->obj.id, 0, vpriv->ysize - 50); |
| 65 | |
| 66 | txt = scene_obj_find_by_name(scn, "title"); |
| 67 | if (txt) |
| 68 | scene_obj_set_pos(scn, txt->obj.id, 200, 10); |
| 69 | |
| 70 | y = 100; |
| 71 | list_for_each_entry(obj, &scn->obj_head, sibling) { |
| 72 | if (obj->type == SCENEOBJT_MENU) { |
| 73 | scene_obj_set_pos(scn, obj->id, 50, y); |
| 74 | scene_menu_arrange(scn, (struct scene_obj_menu *)obj); |
| 75 | y += 50; |
| 76 | } |
| 77 | } |
| 78 | |
| 79 | return 0; |
| 80 | } |
| 81 | |
Simon Glass | 8d0f890 | 2023-08-14 16:40:27 -0600 | [diff] [blame] | 82 | int cedit_prepare(struct expo *exp, struct video_priv **vid_privp, |
| 83 | struct scene **scnp) |
Simon Glass | a0874dc | 2023-06-01 10:23:02 -0600 | [diff] [blame] | 84 | { |
Simon Glass | a0874dc | 2023-06-01 10:23:02 -0600 | [diff] [blame] | 85 | struct video_priv *vid_priv; |
Simon Glass | a0874dc | 2023-06-01 10:23:02 -0600 | [diff] [blame] | 86 | struct udevice *dev; |
| 87 | struct scene *scn; |
Simon Glass | 8d0f890 | 2023-08-14 16:40:27 -0600 | [diff] [blame] | 88 | uint scene_id; |
Simon Glass | a0874dc | 2023-06-01 10:23:02 -0600 | [diff] [blame] | 89 | int ret; |
| 90 | |
Simon Glass | a0874dc | 2023-06-01 10:23:02 -0600 | [diff] [blame] | 91 | /* For now we only support a video console */ |
| 92 | ret = uclass_first_device_err(UCLASS_VIDEO, &dev); |
| 93 | if (ret) |
| 94 | return log_msg_ret("vid", ret); |
| 95 | ret = expo_set_display(exp, dev); |
| 96 | if (ret) |
| 97 | return log_msg_ret("dis", ret); |
| 98 | |
| 99 | ret = expo_first_scene_id(exp); |
| 100 | if (ret < 0) |
| 101 | return log_msg_ret("scn", ret); |
| 102 | scene_id = ret; |
| 103 | |
| 104 | ret = expo_set_scene_id(exp, scene_id); |
| 105 | if (ret) |
| 106 | return log_msg_ret("sid", ret); |
| 107 | |
| 108 | exp->popup = true; |
| 109 | |
| 110 | /* This is not supported for now */ |
| 111 | if (0) |
| 112 | expo_set_text_mode(exp, true); |
| 113 | |
| 114 | vid_priv = dev_get_uclass_priv(dev); |
| 115 | |
| 116 | scn = expo_lookup_scene_id(exp, scene_id); |
| 117 | scene_highlight_first(scn); |
| 118 | |
| 119 | cedit_arange(exp, vid_priv, scene_id); |
| 120 | |
| 121 | ret = expo_calc_dims(exp); |
| 122 | if (ret) |
| 123 | return log_msg_ret("dim", ret); |
| 124 | |
Simon Glass | 8d0f890 | 2023-08-14 16:40:27 -0600 | [diff] [blame] | 125 | *vid_privp = vid_priv; |
| 126 | *scnp = scn; |
| 127 | |
| 128 | return scene_id; |
| 129 | } |
| 130 | |
| 131 | int cedit_run(struct expo *exp) |
| 132 | { |
| 133 | struct cli_ch_state s_cch, *cch = &s_cch; |
| 134 | struct video_priv *vid_priv; |
| 135 | uint scene_id; |
| 136 | struct scene *scn; |
| 137 | bool done; |
| 138 | int ret; |
| 139 | |
| 140 | cli_ch_init(cch); |
| 141 | ret = cedit_prepare(exp, &vid_priv, &scn); |
| 142 | if (ret < 0) |
| 143 | return log_msg_ret("prep", ret); |
| 144 | scene_id = ret; |
| 145 | |
Simon Glass | a0874dc | 2023-06-01 10:23:02 -0600 | [diff] [blame] | 146 | done = false; |
| 147 | do { |
| 148 | struct expo_action act; |
| 149 | int ichar, key; |
| 150 | |
| 151 | ret = expo_render(exp); |
| 152 | if (ret) |
| 153 | break; |
| 154 | |
| 155 | ichar = cli_ch_process(cch, 0); |
| 156 | if (!ichar) { |
| 157 | while (!ichar && !tstc()) { |
| 158 | schedule(); |
| 159 | mdelay(2); |
| 160 | ichar = cli_ch_process(cch, -ETIMEDOUT); |
| 161 | } |
| 162 | if (!ichar) { |
| 163 | ichar = getchar(); |
| 164 | ichar = cli_ch_process(cch, ichar); |
| 165 | } |
| 166 | } |
| 167 | |
| 168 | key = 0; |
| 169 | if (ichar) { |
| 170 | key = bootmenu_conv_key(ichar); |
| 171 | if (key == BKEY_NONE) |
| 172 | key = ichar; |
| 173 | } |
| 174 | if (!key) |
| 175 | continue; |
| 176 | |
| 177 | ret = expo_send_key(exp, key); |
| 178 | if (ret) |
| 179 | break; |
| 180 | |
| 181 | ret = expo_action_get(exp, &act); |
| 182 | if (!ret) { |
| 183 | switch (act.type) { |
| 184 | case EXPOACT_POINT_OBJ: |
| 185 | scene_set_highlight_id(scn, act.select.id); |
| 186 | cedit_arange(exp, vid_priv, scene_id); |
| 187 | break; |
| 188 | case EXPOACT_OPEN: |
| 189 | scene_set_open(scn, act.select.id, true); |
| 190 | cedit_arange(exp, vid_priv, scene_id); |
| 191 | break; |
| 192 | case EXPOACT_CLOSE: |
| 193 | scene_set_open(scn, act.select.id, false); |
| 194 | cedit_arange(exp, vid_priv, scene_id); |
| 195 | break; |
| 196 | case EXPOACT_SELECT: |
| 197 | scene_set_open(scn, scn->highlight_id, false); |
| 198 | cedit_arange(exp, vid_priv, scene_id); |
| 199 | break; |
| 200 | case EXPOACT_QUIT: |
| 201 | log_debug("quitting\n"); |
| 202 | done = true; |
| 203 | break; |
| 204 | default: |
| 205 | break; |
| 206 | } |
| 207 | } |
| 208 | } while (!done); |
| 209 | |
| 210 | if (ret) |
| 211 | return log_msg_ret("end", ret); |
| 212 | |
| 213 | return 0; |
| 214 | } |
Simon Glass | 2dee81f | 2023-08-14 16:40:33 -0600 | [diff] [blame] | 215 | |
| 216 | static int check_space(int ret, struct abuf *buf) |
| 217 | { |
| 218 | if (ret == -FDT_ERR_NOSPACE) { |
| 219 | if (!abuf_realloc_inc(buf, CEDIT_SIZE_INC)) |
| 220 | return log_msg_ret("spc", -ENOMEM); |
| 221 | ret = fdt_resize(abuf_data(buf), abuf_data(buf), |
| 222 | abuf_size(buf)); |
| 223 | if (ret) |
| 224 | return log_msg_ret("res", -EFAULT); |
| 225 | } |
| 226 | |
| 227 | return 0; |
| 228 | } |
| 229 | |
Simon Glass | fc9c0e0 | 2023-08-14 16:40:35 -0600 | [diff] [blame] | 230 | static int get_cur_menuitem_text(const struct scene_obj_menu *menu, |
| 231 | const char **strp) |
| 232 | { |
| 233 | struct scene *scn = menu->obj.scene; |
| 234 | const struct scene_menitem *mi; |
| 235 | const struct scene_obj_txt *txt; |
| 236 | const char *str; |
| 237 | |
| 238 | mi = scene_menuitem_find(menu, menu->cur_item_id); |
| 239 | if (!mi) |
| 240 | return log_msg_ret("mi", -ENOENT); |
| 241 | |
| 242 | txt = scene_obj_find(scn, mi->label_id, SCENEOBJT_TEXT); |
| 243 | if (!txt) |
| 244 | return log_msg_ret("txt", -ENOENT); |
| 245 | |
| 246 | str = expo_get_str(scn->expo, txt->str_id); |
| 247 | if (!str) |
| 248 | return log_msg_ret("str", -ENOENT); |
| 249 | *strp = str; |
| 250 | |
| 251 | return 0; |
| 252 | } |
| 253 | |
Simon Glass | 2dee81f | 2023-08-14 16:40:33 -0600 | [diff] [blame] | 254 | static int h_write_settings(struct scene_obj *obj, void *vpriv) |
| 255 | { |
| 256 | struct cedit_iter_priv *priv = vpriv; |
| 257 | struct abuf *buf = priv->buf; |
| 258 | |
| 259 | switch (obj->type) { |
| 260 | case SCENEOBJT_NONE: |
| 261 | case SCENEOBJT_IMAGE: |
| 262 | case SCENEOBJT_TEXT: |
| 263 | break; |
| 264 | case SCENEOBJT_MENU: { |
| 265 | const struct scene_obj_menu *menu; |
Simon Glass | 2dee81f | 2023-08-14 16:40:33 -0600 | [diff] [blame] | 266 | const char *str; |
| 267 | char name[80]; |
| 268 | int ret, i; |
| 269 | |
| 270 | menu = (struct scene_obj_menu *)obj; |
| 271 | ret = -EAGAIN; |
| 272 | for (i = 0; ret && i < 2; i++) { |
| 273 | ret = fdt_property_u32(abuf_data(buf), obj->name, |
| 274 | menu->cur_item_id); |
| 275 | if (!i) { |
| 276 | ret = check_space(ret, buf); |
| 277 | if (ret) |
| 278 | return log_msg_ret("res", -ENOMEM); |
| 279 | } |
| 280 | } |
| 281 | /* this should not happen */ |
| 282 | if (ret) |
| 283 | return log_msg_ret("wrt", -EFAULT); |
| 284 | |
Simon Glass | fc9c0e0 | 2023-08-14 16:40:35 -0600 | [diff] [blame] | 285 | ret = get_cur_menuitem_text(menu, &str); |
| 286 | if (ret) |
| 287 | return log_msg_ret("mis", ret); |
Simon Glass | 2dee81f | 2023-08-14 16:40:33 -0600 | [diff] [blame] | 288 | |
| 289 | snprintf(name, sizeof(name), "%s-str", obj->name); |
| 290 | ret = -EAGAIN; |
| 291 | for (i = 0; ret && i < 2; i++) { |
| 292 | ret = fdt_property_string(abuf_data(buf), name, str); |
| 293 | if (!i) { |
| 294 | ret = check_space(ret, buf); |
| 295 | if (ret) |
| 296 | return log_msg_ret("rs2", -ENOMEM); |
| 297 | } |
| 298 | } |
| 299 | |
| 300 | /* this should not happen */ |
| 301 | if (ret) |
| 302 | return log_msg_ret("wr2", -EFAULT); |
| 303 | |
| 304 | break; |
| 305 | } |
| 306 | } |
| 307 | |
| 308 | return 0; |
| 309 | } |
| 310 | |
| 311 | int cedit_write_settings(struct expo *exp, struct abuf *buf) |
| 312 | { |
| 313 | struct cedit_iter_priv priv; |
| 314 | void *fdt; |
| 315 | int ret; |
| 316 | |
| 317 | abuf_init(buf); |
| 318 | if (!abuf_realloc(buf, CEDIT_SIZE_INC)) |
| 319 | return log_msg_ret("buf", -ENOMEM); |
| 320 | |
| 321 | fdt = abuf_data(buf); |
| 322 | ret = fdt_create(fdt, abuf_size(buf)); |
| 323 | if (!ret) |
| 324 | ret = fdt_finish_reservemap(fdt); |
| 325 | if (!ret) |
| 326 | ret = fdt_begin_node(fdt, ""); |
| 327 | if (!ret) |
| 328 | ret = fdt_begin_node(fdt, CEDIT_NODE_NAME); |
| 329 | if (ret) { |
| 330 | log_debug("Failed to start FDT (err=%d)\n", ret); |
| 331 | return log_msg_ret("sta", -EINVAL); |
| 332 | } |
| 333 | |
| 334 | /* write out the items */ |
| 335 | priv.buf = buf; |
| 336 | ret = expo_iter_scene_objs(exp, h_write_settings, &priv); |
| 337 | if (ret) { |
| 338 | log_debug("Failed to write settings (err=%d)\n", ret); |
| 339 | return log_msg_ret("set", ret); |
| 340 | } |
| 341 | |
| 342 | ret = fdt_end_node(fdt); |
| 343 | if (!ret) |
| 344 | ret = fdt_end_node(fdt); |
| 345 | if (!ret) |
| 346 | ret = fdt_finish(fdt); |
| 347 | if (ret) { |
| 348 | log_debug("Failed to finish FDT (err=%d)\n", ret); |
| 349 | return log_msg_ret("fin", -EINVAL); |
| 350 | } |
| 351 | |
| 352 | return 0; |
| 353 | } |
Simon Glass | 472317c | 2023-08-14 16:40:34 -0600 | [diff] [blame] | 354 | |
| 355 | static int h_read_settings(struct scene_obj *obj, void *vpriv) |
| 356 | { |
| 357 | struct cedit_iter_priv *priv = vpriv; |
| 358 | ofnode node = priv->node; |
| 359 | |
| 360 | switch (obj->type) { |
| 361 | case SCENEOBJT_NONE: |
| 362 | case SCENEOBJT_IMAGE: |
| 363 | case SCENEOBJT_TEXT: |
| 364 | break; |
| 365 | case SCENEOBJT_MENU: { |
| 366 | struct scene_obj_menu *menu; |
| 367 | uint val; |
| 368 | |
| 369 | if (ofnode_read_u32(node, obj->name, &val)) |
| 370 | return log_msg_ret("rd", -ENOENT); |
| 371 | menu = (struct scene_obj_menu *)obj; |
| 372 | menu->cur_item_id = val; |
| 373 | |
| 374 | break; |
| 375 | } |
| 376 | } |
| 377 | |
| 378 | return 0; |
| 379 | } |
| 380 | |
| 381 | int cedit_read_settings(struct expo *exp, oftree tree) |
| 382 | { |
| 383 | struct cedit_iter_priv priv; |
| 384 | ofnode root, node; |
| 385 | int ret; |
| 386 | |
| 387 | root = oftree_root(tree); |
| 388 | if (!ofnode_valid(root)) |
| 389 | return log_msg_ret("roo", -ENOENT); |
| 390 | node = ofnode_find_subnode(root, CEDIT_NODE_NAME); |
| 391 | if (!ofnode_valid(node)) |
| 392 | return log_msg_ret("pat", -ENOENT); |
| 393 | |
| 394 | /* read in the items */ |
| 395 | priv.node = node; |
| 396 | ret = expo_iter_scene_objs(exp, h_read_settings, &priv); |
| 397 | if (ret) { |
| 398 | log_debug("Failed to read settings (err=%d)\n", ret); |
| 399 | return log_msg_ret("set", ret); |
| 400 | } |
| 401 | |
| 402 | return 0; |
| 403 | } |
Simon Glass | fc9c0e0 | 2023-08-14 16:40:35 -0600 | [diff] [blame] | 404 | |
| 405 | static int h_write_settings_env(struct scene_obj *obj, void *vpriv) |
| 406 | { |
| 407 | const struct scene_obj_menu *menu; |
| 408 | struct cedit_iter_priv *priv = vpriv; |
| 409 | char name[80], var[60]; |
| 410 | const char *str; |
| 411 | int val, ret; |
| 412 | |
| 413 | if (obj->type != SCENEOBJT_MENU) |
| 414 | return 0; |
| 415 | |
| 416 | menu = (struct scene_obj_menu *)obj; |
| 417 | val = menu->cur_item_id; |
| 418 | snprintf(var, sizeof(var), "c.%s", obj->name); |
| 419 | |
| 420 | if (priv->verbose) |
| 421 | printf("%s=%d\n", var, val); |
| 422 | |
| 423 | ret = env_set_ulong(var, val); |
| 424 | if (ret) |
| 425 | return log_msg_ret("set", ret); |
| 426 | |
| 427 | ret = get_cur_menuitem_text(menu, &str); |
| 428 | if (ret) |
| 429 | return log_msg_ret("mis", ret); |
| 430 | |
| 431 | snprintf(name, sizeof(name), "c.%s-str", obj->name); |
| 432 | if (priv->verbose) |
| 433 | printf("%s=%s\n", name, str); |
| 434 | |
| 435 | ret = env_set(name, str); |
| 436 | if (ret) |
| 437 | return log_msg_ret("st2", ret); |
| 438 | |
| 439 | return 0; |
| 440 | } |
| 441 | |
| 442 | int cedit_write_settings_env(struct expo *exp, bool verbose) |
| 443 | { |
| 444 | struct cedit_iter_priv priv; |
| 445 | int ret; |
| 446 | |
| 447 | /* write out the items */ |
| 448 | priv.verbose = verbose; |
| 449 | ret = expo_iter_scene_objs(exp, h_write_settings_env, &priv); |
| 450 | if (ret) { |
| 451 | log_debug("Failed to write settings to env (err=%d)\n", ret); |
| 452 | return log_msg_ret("set", ret); |
| 453 | } |
| 454 | |
| 455 | return 0; |
| 456 | } |
Simon Glass | bcf2b72 | 2023-08-14 16:40:36 -0600 | [diff] [blame] | 457 | |
| 458 | static int h_read_settings_env(struct scene_obj *obj, void *vpriv) |
| 459 | { |
| 460 | struct cedit_iter_priv *priv = vpriv; |
| 461 | struct scene_obj_menu *menu; |
| 462 | char var[60]; |
Simon Glass | eb6c71b | 2023-08-14 16:40:37 -0600 | [diff] [blame^] | 463 | int val; |
Simon Glass | bcf2b72 | 2023-08-14 16:40:36 -0600 | [diff] [blame] | 464 | |
| 465 | if (obj->type != SCENEOBJT_MENU) |
| 466 | return 0; |
| 467 | |
| 468 | menu = (struct scene_obj_menu *)obj; |
| 469 | val = menu->cur_item_id; |
| 470 | snprintf(var, sizeof(var), "c.%s", obj->name); |
| 471 | |
| 472 | val = env_get_ulong(var, 10, 0); |
| 473 | if (priv->verbose) |
| 474 | printf("%s=%d\n", var, val); |
| 475 | if (!val) |
| 476 | return log_msg_ret("get", -ENOENT); |
| 477 | |
| 478 | /* |
| 479 | * note that no validation is done here, to make sure the ID is valid |
| 480 | * and actually points to a menu item |
| 481 | */ |
| 482 | menu->cur_item_id = val; |
| 483 | |
| 484 | return 0; |
| 485 | } |
| 486 | |
| 487 | int cedit_read_settings_env(struct expo *exp, bool verbose) |
| 488 | { |
| 489 | struct cedit_iter_priv priv; |
| 490 | int ret; |
| 491 | |
| 492 | /* write out the items */ |
| 493 | priv.verbose = verbose; |
| 494 | ret = expo_iter_scene_objs(exp, h_read_settings_env, &priv); |
| 495 | if (ret) { |
| 496 | log_debug("Failed to read settings from env (err=%d)\n", ret); |
| 497 | return log_msg_ret("set", ret); |
| 498 | } |
| 499 | |
| 500 | return 0; |
| 501 | } |
Simon Glass | eb6c71b | 2023-08-14 16:40:37 -0600 | [diff] [blame^] | 502 | |
| 503 | /** |
| 504 | * get_cur_menuitem_seq() - Get the sequence number of a menu's current item |
| 505 | * |
| 506 | * Enumerates the items of a menu (0, 1, 2) and returns the sequence number of |
| 507 | * the currently selected item. If the first item is selected, this returns 0; |
| 508 | * if the second, 1; etc. |
| 509 | * |
| 510 | * @menu: Menu to check |
| 511 | * Return: Sequence number on success, else -ve error value |
| 512 | */ |
| 513 | static int get_cur_menuitem_seq(const struct scene_obj_menu *menu) |
| 514 | { |
| 515 | const struct scene_menitem *mi; |
| 516 | int seq, found; |
| 517 | |
| 518 | seq = 0; |
| 519 | found = -1; |
| 520 | list_for_each_entry(mi, &menu->item_head, sibling) { |
| 521 | if (mi->id == menu->cur_item_id) { |
| 522 | found = seq; |
| 523 | break; |
| 524 | } |
| 525 | seq++; |
| 526 | } |
| 527 | |
| 528 | if (found == -1) |
| 529 | return log_msg_ret("nf", -ENOENT); |
| 530 | |
| 531 | return found; |
| 532 | } |
| 533 | |
| 534 | static int h_write_settings_cmos(struct scene_obj *obj, void *vpriv) |
| 535 | { |
| 536 | const struct scene_obj_menu *menu; |
| 537 | struct cedit_iter_priv *priv = vpriv; |
| 538 | int val, ret; |
| 539 | uint i, seq; |
| 540 | |
| 541 | if (obj->type != SCENEOBJT_MENU) |
| 542 | return 0; |
| 543 | |
| 544 | menu = (struct scene_obj_menu *)obj; |
| 545 | val = menu->cur_item_id; |
| 546 | |
| 547 | ret = get_cur_menuitem_seq(menu); |
| 548 | if (ret < 0) |
| 549 | return log_msg_ret("cur", ret); |
| 550 | seq = ret; |
| 551 | log_debug("%s: seq=%d\n", menu->obj.name, seq); |
| 552 | |
| 553 | /* figure out where to place this item */ |
| 554 | if (!obj->bit_length) |
| 555 | return log_msg_ret("len", -EINVAL); |
| 556 | if (obj->start_bit + obj->bit_length > CMOS_MAX_BITS) |
| 557 | return log_msg_ret("bit", -E2BIG); |
| 558 | |
| 559 | for (i = 0; i < obj->bit_length; i++, seq >>= 1) { |
| 560 | uint bitnum = obj->start_bit + i; |
| 561 | |
| 562 | priv->mask[CMOS_BYTE(bitnum)] |= 1 << CMOS_BIT(bitnum); |
| 563 | if (seq & 1) |
| 564 | priv->value[CMOS_BYTE(bitnum)] |= BIT(CMOS_BIT(bitnum)); |
| 565 | log_debug("bit %x %x %x\n", bitnum, |
| 566 | priv->mask[CMOS_BYTE(bitnum)], |
| 567 | priv->value[CMOS_BYTE(bitnum)]); |
| 568 | } |
| 569 | |
| 570 | return 0; |
| 571 | } |
| 572 | |
| 573 | int cedit_write_settings_cmos(struct expo *exp, struct udevice *dev, |
| 574 | bool verbose) |
| 575 | { |
| 576 | struct cedit_iter_priv priv; |
| 577 | int ret, i, count, first, last; |
| 578 | |
| 579 | /* write out the items */ |
| 580 | priv.mask = calloc(1, CMOS_MAX_BYTES); |
| 581 | if (!priv.mask) |
| 582 | return log_msg_ret("mas", -ENOMEM); |
| 583 | priv.value = calloc(1, CMOS_MAX_BYTES); |
| 584 | if (!priv.value) { |
| 585 | free(priv.mask); |
| 586 | return log_msg_ret("val", -ENOMEM); |
| 587 | } |
| 588 | |
| 589 | ret = expo_iter_scene_objs(exp, h_write_settings_cmos, &priv); |
| 590 | if (ret) { |
| 591 | log_debug("Failed to write CMOS (err=%d)\n", ret); |
| 592 | ret = log_msg_ret("set", ret); |
| 593 | goto done; |
| 594 | } |
| 595 | |
| 596 | /* write the data to the RTC */ |
| 597 | first = CMOS_MAX_BYTES; |
| 598 | last = -1; |
| 599 | for (i = 0, count = 0; i < CMOS_MAX_BYTES; i++) { |
| 600 | if (priv.mask[i]) { |
| 601 | log_debug("Write byte %x: %x\n", i, priv.value[i]); |
| 602 | ret = rtc_write8(dev, i, priv.value[i]); |
| 603 | if (ret) { |
| 604 | ret = log_msg_ret("wri", ret); |
| 605 | goto done; |
| 606 | } |
| 607 | count++; |
| 608 | first = min(first, i); |
| 609 | last = max(last, i); |
| 610 | } |
| 611 | } |
| 612 | if (verbose) { |
| 613 | printf("Write %d bytes from offset %x to %x\n", count, first, |
| 614 | last); |
| 615 | } |
| 616 | |
| 617 | done: |
| 618 | free(priv.mask); |
| 619 | free(priv.value); |
| 620 | return ret; |
| 621 | } |