xref: /openbmc/u-boot/board/samsung/common/misc.c (revision c68c03f5)
1 /*
2  * Copyright (C) 2013 Samsung Electronics
3  * Przemyslaw Marczak <p.marczak@samsung.com>
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 
8 #include <common.h>
9 #include <lcd.h>
10 #include <libtizen.h>
11 #include <samsung/misc.h>
12 #include <errno.h>
13 #include <version.h>
14 #include <malloc.h>
15 #include <memalign.h>
16 #include <linux/sizes.h>
17 #include <asm/arch/cpu.h>
18 #include <asm/gpio.h>
19 #include <linux/input.h>
20 #include <dm.h>
21 /*
22  * Use #ifdef to work around conflicting headers while we wait for this to be
23  * converted to driver model.
24  */
25 #ifdef CONFIG_DM_PMIC_MAX77686
26 #include <power/max77686_pmic.h>
27 #endif
28 #ifdef CONFIG_DM_PMIC_MAX8998
29 #include <power/max8998_pmic.h>
30 #endif
31 #ifdef CONFIG_PMIC_MAX8997
32 #include <power/max8997_pmic.h>
33 #endif
34 #include <power/pmic.h>
35 #include <mmc.h>
36 
37 DECLARE_GLOBAL_DATA_PTR;
38 
39 #ifdef CONFIG_SET_DFU_ALT_INFO
40 void set_dfu_alt_info(char *interface, char *devstr)
41 {
42 	size_t buf_size = CONFIG_SET_DFU_ALT_BUF_LEN;
43 	ALLOC_CACHE_ALIGN_BUFFER(char, buf, buf_size);
44 	char *alt_info = "Settings not found!";
45 	char *status = "error!\n";
46 	char *alt_setting;
47 	char *alt_sep;
48 	int offset = 0;
49 
50 	puts("DFU alt info setting: ");
51 
52 	alt_setting = get_dfu_alt_boot(interface, devstr);
53 	if (alt_setting) {
54 		env_set("dfu_alt_boot", alt_setting);
55 		offset = snprintf(buf, buf_size, "%s", alt_setting);
56 	}
57 
58 	alt_setting = get_dfu_alt_system(interface, devstr);
59 	if (alt_setting) {
60 		if (offset)
61 			alt_sep = ";";
62 		else
63 			alt_sep = "";
64 
65 		offset += snprintf(buf + offset, buf_size - offset,
66 				    "%s%s", alt_sep, alt_setting);
67 	}
68 
69 	if (offset) {
70 		alt_info = buf;
71 		status = "done\n";
72 	}
73 
74 	env_set("dfu_alt_info", alt_info);
75 	puts(status);
76 }
77 #endif
78 
79 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
80 void set_board_info(void)
81 {
82 	char info[64];
83 
84 	snprintf(info, ARRAY_SIZE(info), "%u.%u", (s5p_cpu_rev & 0xf0) >> 4,
85 		 s5p_cpu_rev & 0xf);
86 	env_set("soc_rev", info);
87 
88 	snprintf(info, ARRAY_SIZE(info), "%x", s5p_cpu_id);
89 	env_set("soc_id", info);
90 
91 #ifdef CONFIG_REVISION_TAG
92 	snprintf(info, ARRAY_SIZE(info), "%x", get_board_rev());
93 	env_set("board_rev", info);
94 #endif
95 #ifdef CONFIG_OF_LIBFDT
96 	const char *bdtype = "";
97 	const char *bdname = CONFIG_SYS_BOARD;
98 
99 #ifdef CONFIG_BOARD_TYPES
100 	bdtype = get_board_type();
101 	if (!bdtype)
102 		bdtype = "";
103 
104 	sprintf(info, "%s%s", bdname, bdtype);
105 	env_set("boardname", info);
106 #endif
107 	snprintf(info, ARRAY_SIZE(info),  "%s%x-%s%s.dtb",
108 		 CONFIG_SYS_SOC, s5p_cpu_id, bdname, bdtype);
109 	env_set("fdtfile", info);
110 #endif
111 }
112 #endif /* CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG */
113 
114 #ifdef CONFIG_LCD_MENU
115 static int power_key_pressed(u32 reg)
116 {
117 #ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */
118 	struct pmic *pmic;
119 	u32 status;
120 	u32 mask;
121 
122 	pmic = pmic_get(KEY_PWR_PMIC_NAME);
123 	if (!pmic) {
124 		printf("%s: Not found\n", KEY_PWR_PMIC_NAME);
125 		return 0;
126 	}
127 
128 	if (pmic_probe(pmic))
129 		return 0;
130 
131 	if (reg == KEY_PWR_STATUS_REG)
132 		mask = KEY_PWR_STATUS_MASK;
133 	else
134 		mask = KEY_PWR_INTERRUPT_MASK;
135 
136 	if (pmic_reg_read(pmic, reg, &status))
137 		return 0;
138 
139 	return !!(status & mask);
140 #else
141 	return 0;
142 #endif
143 }
144 
145 static int key_pressed(int key)
146 {
147 	int value;
148 
149 	switch (key) {
150 	case KEY_POWER:
151 		value = power_key_pressed(KEY_PWR_INTERRUPT_REG);
152 		break;
153 	case KEY_VOLUMEUP:
154 		value = !gpio_get_value(KEY_VOL_UP_GPIO);
155 		break;
156 	case KEY_VOLUMEDOWN:
157 		value = !gpio_get_value(KEY_VOL_DOWN_GPIO);
158 		break;
159 	default:
160 		value = 0;
161 		break;
162 	}
163 
164 	return value;
165 }
166 
167 #ifdef CONFIG_LCD
168 static int check_keys(void)
169 {
170 	int keys = 0;
171 
172 	if (key_pressed(KEY_POWER))
173 		keys += KEY_POWER;
174 	if (key_pressed(KEY_VOLUMEUP))
175 		keys += KEY_VOLUMEUP;
176 	if (key_pressed(KEY_VOLUMEDOWN))
177 		keys += KEY_VOLUMEDOWN;
178 
179 	return keys;
180 }
181 
182 /*
183  * 0 BOOT_MODE_INFO
184  * 1 BOOT_MODE_THOR
185  * 2 BOOT_MODE_UMS
186  * 3 BOOT_MODE_DFU
187  * 4 BOOT_MODE_EXIT
188  */
189 static char *
190 mode_name[BOOT_MODE_EXIT + 1][2] = {
191 	{"DEVICE", ""},
192 	{"THOR", "thor"},
193 	{"UMS", "ums"},
194 	{"DFU", "dfu"},
195 	{"GPT", "gpt"},
196 	{"ENV", "env"},
197 	{"EXIT", ""},
198 };
199 
200 static char *
201 mode_info[BOOT_MODE_EXIT + 1] = {
202 	"info",
203 	"downloader",
204 	"mass storage",
205 	"firmware update",
206 	"restore",
207 	"default",
208 	"and run normal boot"
209 };
210 
211 static char *
212 mode_cmd[BOOT_MODE_EXIT + 1] = {
213 	"",
214 	"thor 0 mmc 0",
215 	"ums 0 mmc 0",
216 	"dfu 0 mmc 0",
217 	"gpt write mmc 0 $partitions",
218 	"env default -a; saveenv",
219 	"",
220 };
221 
222 static void display_board_info(void)
223 {
224 #ifdef CONFIG_MMC
225 	struct mmc *mmc = find_mmc_device(0);
226 #endif
227 	vidinfo_t *vid = &panel_info;
228 
229 	lcd_position_cursor(4, 4);
230 
231 	lcd_printf("%s\n\t", U_BOOT_VERSION);
232 	lcd_puts("\n\t\tBoard Info:\n");
233 #ifdef CONFIG_SYS_BOARD
234 	lcd_printf("\tBoard name: %s\n", CONFIG_SYS_BOARD);
235 #endif
236 #ifdef CONFIG_REVISION_TAG
237 	lcd_printf("\tBoard rev: %u\n", get_board_rev());
238 #endif
239 	lcd_printf("\tDRAM banks: %u\n", CONFIG_NR_DRAM_BANKS);
240 	lcd_printf("\tDRAM size: %u MB\n", gd->ram_size / SZ_1M);
241 
242 #ifdef CONFIG_MMC
243 	if (mmc) {
244 		if (!mmc->capacity)
245 			mmc_init(mmc);
246 
247 		lcd_printf("\teMMC size: %llu MB\n", mmc->capacity / SZ_1M);
248 	}
249 #endif
250 	if (vid)
251 		lcd_printf("\tDisplay resolution: %u x % u\n",
252 			   vid->vl_col, vid->vl_row);
253 
254 	lcd_printf("\tDisplay BPP: %u\n", 1 << vid->vl_bpix);
255 }
256 #endif
257 
258 static int mode_leave_menu(int mode)
259 {
260 #ifdef CONFIG_LCD
261 	char *exit_option;
262 	char *exit_reset = "reset";
263 	char *exit_back = "back";
264 	cmd_tbl_t *cmd;
265 	int cmd_result;
266 	int leave;
267 
268 	lcd_clear();
269 
270 	switch (mode) {
271 	case BOOT_MODE_EXIT:
272 		return 1;
273 	case BOOT_MODE_INFO:
274 		display_board_info();
275 		exit_option = exit_back;
276 		leave = 0;
277 		break;
278 	default:
279 		cmd = find_cmd(mode_name[mode][1]);
280 		if (cmd) {
281 			printf("Enter: %s %s\n", mode_name[mode][0],
282 			       mode_info[mode]);
283 			lcd_printf("\n\n\t%s %s\n", mode_name[mode][0],
284 				   mode_info[mode]);
285 			lcd_puts("\n\tDo not turn off device before finish!\n");
286 
287 			cmd_result = run_command(mode_cmd[mode], 0);
288 
289 			if (cmd_result == CMD_RET_SUCCESS) {
290 				printf("Command finished\n");
291 				lcd_clear();
292 				lcd_printf("\n\n\t%s finished\n",
293 					   mode_name[mode][0]);
294 
295 				exit_option = exit_reset;
296 				leave = 1;
297 			} else {
298 				printf("Command error\n");
299 				lcd_clear();
300 				lcd_printf("\n\n\t%s command error\n",
301 					   mode_name[mode][0]);
302 
303 				exit_option = exit_back;
304 				leave = 0;
305 			}
306 		} else {
307 			lcd_puts("\n\n\tThis mode is not supported.\n");
308 			exit_option = exit_back;
309 			leave = 0;
310 		}
311 	}
312 
313 	lcd_printf("\n\n\tPress POWER KEY to %s\n", exit_option);
314 
315 	/* Clear PWR button Rising edge interrupt status flag */
316 	power_key_pressed(KEY_PWR_INTERRUPT_REG);
317 
318 	/* Wait for PWR key */
319 	while (!key_pressed(KEY_POWER))
320 		mdelay(1);
321 
322 	lcd_clear();
323 	return leave;
324 #else
325 	return 0;
326 #endif
327 }
328 
329 #ifdef CONFIG_LCD
330 static void display_download_menu(int mode)
331 {
332 	char *selection[BOOT_MODE_EXIT + 1];
333 	int i;
334 
335 	for (i = 0; i <= BOOT_MODE_EXIT; i++)
336 		selection[i] = "[  ]";
337 
338 	selection[mode] = "[=>]";
339 
340 	lcd_clear();
341 	lcd_printf("\n\n\t\tDownload Mode Menu\n\n");
342 
343 	for (i = 0; i <= BOOT_MODE_EXIT; i++)
344 		lcd_printf("\t%s  %s - %s\n\n", selection[i],
345 			   mode_name[i][0], mode_info[i]);
346 }
347 #endif
348 
349 static void download_menu(void)
350 {
351 #ifdef CONFIG_LCD
352 	int mode = 0;
353 	int last_mode = 0;
354 	int run;
355 	int key = 0;
356 	int timeout = 15; /* sec */
357 	int i;
358 
359 	display_download_menu(mode);
360 
361 	lcd_puts("\n");
362 
363 	/* Start count if no key is pressed */
364 	while (check_keys())
365 		continue;
366 
367 	while (timeout--) {
368 		lcd_printf("\r\tNormal boot will start in: %2.d seconds.",
369 			   timeout);
370 
371 		/* about 1000 ms in for loop */
372 		for (i = 0; i < 10; i++) {
373 			mdelay(100);
374 			key = check_keys();
375 			if (key)
376 				break;
377 		}
378 		if (key)
379 			break;
380 	}
381 
382 	if (!key) {
383 		lcd_clear();
384 		return;
385 	}
386 
387 	while (1) {
388 		run = 0;
389 
390 		if (mode != last_mode)
391 			display_download_menu(mode);
392 
393 		last_mode = mode;
394 		mdelay(200);
395 
396 		key = check_keys();
397 		switch (key) {
398 		case KEY_POWER:
399 			run = 1;
400 			break;
401 		case KEY_VOLUMEUP:
402 			if (mode > 0)
403 				mode--;
404 			break;
405 		case KEY_VOLUMEDOWN:
406 			if (mode < BOOT_MODE_EXIT)
407 				mode++;
408 			break;
409 		default:
410 			break;
411 		}
412 
413 		if (run) {
414 			if (mode_leave_menu(mode))
415 				run_command("reset", 0);
416 
417 			display_download_menu(mode);
418 		}
419 	}
420 
421 	lcd_clear();
422 #endif
423 }
424 
425 void check_boot_mode(void)
426 {
427 	int pwr_key;
428 
429 	pwr_key = power_key_pressed(KEY_PWR_STATUS_REG);
430 	if (!pwr_key)
431 		return;
432 
433 	/* Clear PWR button Rising edge interrupt status flag */
434 	power_key_pressed(KEY_PWR_INTERRUPT_REG);
435 
436 	if (key_pressed(KEY_VOLUMEUP))
437 		download_menu();
438 	else if (key_pressed(KEY_VOLUMEDOWN))
439 		mode_leave_menu(BOOT_MODE_THOR);
440 }
441 
442 void keys_init(void)
443 {
444 	/* Set direction to input */
445 	gpio_request(KEY_VOL_UP_GPIO, "volume-up");
446 	gpio_request(KEY_VOL_DOWN_GPIO, "volume-down");
447 	gpio_direction_input(KEY_VOL_UP_GPIO);
448 	gpio_direction_input(KEY_VOL_DOWN_GPIO);
449 }
450 #endif /* CONFIG_LCD_MENU */
451 
452 #ifdef CONFIG_CMD_BMP
453 void draw_logo(void)
454 {
455 	int x, y;
456 	ulong addr;
457 
458 	addr = panel_info.logo_addr;
459 	if (!addr) {
460 		pr_err("There is no logo data.");
461 		return;
462 	}
463 
464 	if (panel_info.vl_width >= panel_info.logo_width) {
465 		x = ((panel_info.vl_width - panel_info.logo_width) >> 1);
466 		x += panel_info.logo_x_offset; /* For X center align */
467 	} else {
468 		x = 0;
469 		printf("Warning: image width is bigger than display width\n");
470 	}
471 
472 	if (panel_info.vl_height >= panel_info.logo_height) {
473 		y = ((panel_info.vl_height - panel_info.logo_height) >> 1);
474 		y += panel_info.logo_y_offset; /* For Y center align */
475 	} else {
476 		y = 0;
477 		printf("Warning: image height is bigger than display height\n");
478 	}
479 
480 	bmp_display(addr, x, y);
481 }
482 #endif /* CONFIG_CMD_BMP */
483