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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 | // SPDX-License-Identifier: GPL-2.0+ /* * Implementation of a expo, a collection of scenes providing menu options * * Copyright 2022 Google LLC * Written by Simon Glass <sjg@chromium.org> */ #include <common.h> #include <dm.h> #include <expo.h> #include <malloc.h> #include <video.h> #include "scene_internal.h" int expo_new(const char *name, void *priv, struct expo **expp) { struct expo *exp; exp = calloc(1, sizeof(struct expo)); if (!exp) return log_msg_ret("expo", -ENOMEM); exp->name = strdup(name); if (!exp->name) { free(exp); return log_msg_ret("name", -ENOMEM); } exp->priv = priv; INIT_LIST_HEAD(&exp->scene_head); INIT_LIST_HEAD(&exp->str_head); *expp = exp; return 0; } static void estr_destroy(struct expo_string *estr) { free(estr); } void expo_destroy(struct expo *exp) { struct scene *scn, *next; struct expo_string *estr, *enext; list_for_each_entry_safe(scn, next, &exp->scene_head, sibling) scene_destroy(scn); list_for_each_entry_safe(estr, enext, &exp->str_head, sibling) estr_destroy(estr); free(exp->name); free(exp); } int expo_str(struct expo *exp, const char *name, uint id, const char *str) { struct expo_string *estr; estr = calloc(1, sizeof(struct expo_string)); if (!estr) return log_msg_ret("obj", -ENOMEM); estr->id = resolve_id(exp, id); estr->str = str; list_add_tail(&estr->sibling, &exp->str_head); return estr->id; } const char *expo_get_str(struct expo *exp, uint id) { struct expo_string *estr; list_for_each_entry(estr, &exp->str_head, sibling) { if (estr->id == id) return estr->str; } return NULL; } int expo_set_display(struct expo *exp, struct udevice *dev) { exp->display = dev; return 0; } void exp_set_text_mode(struct expo *exp, bool text_mode) { exp->text_mode = text_mode; } struct scene *expo_lookup_scene_id(struct expo *exp, uint scene_id) { struct scene *scn; list_for_each_entry(scn, &exp->scene_head, sibling) { if (scn->id == scene_id) return scn; } return NULL; } int expo_set_scene_id(struct expo *exp, uint scene_id) { if (!expo_lookup_scene_id(exp, scene_id)) return log_msg_ret("id", -ENOENT); exp->scene_id = scene_id; return 0; } int expo_render(struct expo *exp) { struct udevice *dev = exp->display; struct video_priv *vid_priv = dev_get_uclass_priv(dev); struct scene *scn = NULL; u32 colour; int ret; colour = video_index_to_colour(vid_priv, VID_WHITE); ret = video_fill(dev, colour); if (ret) return log_msg_ret("fill", ret); if (exp->scene_id) { scn = expo_lookup_scene_id(exp, exp->scene_id); if (!scn) return log_msg_ret("scn", -ENOENT); ret = scene_render(scn); if (ret) return log_msg_ret("ren", ret); } video_sync(dev, true); return scn ? 0 : -ECHILD; } int expo_send_key(struct expo *exp, int key) { struct scene *scn = NULL; if (exp->scene_id) { int ret; scn = expo_lookup_scene_id(exp, exp->scene_id); if (!scn) return log_msg_ret("scn", -ENOENT); ret = scene_send_key(scn, key, &exp->action); if (ret) return log_msg_ret("key", ret); } return scn ? 0 : -ECHILD; } int expo_action_get(struct expo *exp, struct expo_action *act) { *act = exp->action; exp->action.type = EXPOACT_NONE; return act->type == EXPOACT_NONE ? -EAGAIN : 0; } |