support uboot change LCD parameter

hc

2023-11-07 2a9a9d4f6c07f2f23b663fe5fbeac1168a5d1029

support uboot change LCD parameter

 u-boot/arch/arm/mach-rockchip/kernel_dtb.c
..
..
@@ -16,6 +16,503 @@
16
16
 
17
17
 DECLARE_GLOBAL_DATA_PTR;
18
18
 
19
+
20
+#if 1
21
+struct display_fixup_data {
22
+	int type;
23
+
24
+	int delay_prepare;
25
+	int delay_enable;
26
+	int delay_disable;
27
+	int delay_unprepare;
28
+	int delay_reset;
29
+	int delay_init;
30
+	int size_width;
31
+	int size_height;
32
+
33
+	int clock_frequency;
34
+	int hactive;
35
+	int hfront_porch;
36
+	int hsync_len;
37
+	int hback_porch;
38
+	int vactive;
39
+	int vfront_porch;
40
+	int vsync_len;
41
+	int vback_porch;
42
+	int hsync_active;
43
+	int vsync_active;
44
+	int de_active;
45
+	int pixelclk_active;
46
+
47
+	/* for DSI Panel */
48
+	int flags;
49
+	int format;
50
+	int lanes;
51
+	int init_cmd_length;
52
+	u8 *init_cmd;
53
+	
54
+	int nodka_lvds;
55
+};
56
+enum {
57
+	PANEL_TYPE_DSI,
58
+	PANEL_TYPE_EDP,
59
+	PANEL_TYPE_LVDS,
60
+};
61
+
62
+#define CUSTOM_PARTITION_NAME	"baseparameter"
63
+#define LCD_PARAM_MAX_COUNT	27
64
+
65
+int lcdParam[LCD_PARAM_MAX_COUNT];
66
+char param_buf_temp[4*1024] = {0};
67
+
68
+void set_lcdparam_test_edp(struct display_fixup_data *data)
69
+{
70
+
71
+	data->type = PANEL_TYPE_DSI; 
72
+	data->delay_prepare = 100;
73
+	data->delay_enable = 100;
74
+	data->delay_disable = 100;
75
+	data->delay_unprepare = 100;
76
+	data->delay_reset = 100;
77
+	data->delay_init = 100;
78
+	data->size_width = 240;
79
+	data->size_height = 300;
80
+	data->clock_frequency = 60000000;
81
+	data->hactive = 1024;
82
+	data->hfront_porch = 12;
83
+	data->hsync_len = 16;
84
+	data->hback_porch = 48;
85
+	data->vactive = 600;
86
+	data->vfront_porch = 8;
87
+	data->vsync_len = 4;
88
+	data->vback_porch = 8;
89
+	data->hsync_active = 0;
90
+	data->vsync_active = 0;
91
+	data->de_active = 0;
92
+	data->pixelclk_active = 0;
93
+	data->flags = 0;
94
+	data->format = 0;
95
+	data->lanes = 4;
96
+	*(data->init_cmd  + 0) = 0x05; 
97
+	*(data->init_cmd  + 1) = 0x00; 
98
+	*(data->init_cmd  + 2) = 0x01; 
99
+	*(data->init_cmd  + 3) = 0x01; 
100
+
101
+	*(data->init_cmd  + 4) = 0x05; 
102
+	*(data->init_cmd  + 5) = 0x00; 
103
+	*(data->init_cmd  + 6) = 0x01; 
104
+	*(data->init_cmd  + 7) = 0x02; 
105
+
106
+	*(data->init_cmd  + 8) = 0x05; 
107
+	*(data->init_cmd  + 9) = 0x00; 
108
+	*(data->init_cmd  + 10) = 0x01; 
109
+	*(data->init_cmd  + 11) = 0x03; 
110
+
111
+	*(data->init_cmd  + 12) = 0x05; 
112
+	*(data->init_cmd  + 13) = 0x00; 
113
+	*(data->init_cmd  + 14) = 0x01; 
114
+	*(data->init_cmd  + 15) = 0x05; 
115
+
116
+}
117
+
118
+int get_lcdparam_info_from_custom_partition(struct display_fixup_data *data)
119
+{
120
+	
121
+	struct blk_desc *dev_desc;
122
+	disk_partition_t part_info;
123
+	char *boot_partname = CUSTOM_PARTITION_NAME;
124
+  int ret,i;
125
+  
126
+  dev_desc = rockchip_get_bootdev();
127
+  if (!dev_desc) {
128
+          printf("%s: dev_desc is NULL!\n", __func__);
129
+          return -ENODEV;
130
+  }
131
+
132
+  ret = part_get_info_by_name(dev_desc, boot_partname, &part_info);
133
+  if (ret < 0) {
134
+      printf("%s: failed to get %s part, ret=%d\n",
135
+             __func__, boot_partname, ret);
136
+      /* RKIMG can support part table without 'boot' */
137
+      return -1;
138
+  }
139
+  
140
+  printf("block num: %lu, name %s ,type %s,block size :%lu\n",part_info.size,part_info.name,part_info.type,part_info.blksz);
141
+
142
+  ret = blk_dread(dev_desc, part_info.start + 512, 1, param_buf_temp);
143
+  if (ret != 1) {
144
+      printf("%s: failed to read screen parameter, ret=%d\n",
145
+             __func__, ret);
146
+      return -1;
147
+  }
148
+
149
+	for (i = 0; i < LCD_PARAM_MAX_COUNT; i++) {
150
+		lcdParam[i] = param_buf_temp[i * 4];
151
+		lcdParam[i] =  (lcdParam[i] << 8) + param_buf_temp[i * 4 + 1];
152
+		lcdParam[i] =  (lcdParam[i] << 8) + param_buf_temp[i * 4 + 2];
153
+		lcdParam[i] =  (lcdParam[i] << 8) + param_buf_temp[i * 4 + 3];
154
+		if(lcdParam[i] < 0){
155
+			lcdParam[i] = -lcdParam[i];
156
+		}
157
+		if(lcdParam[i] > 100000 && i != 9){
158
+			lcdParam[i] = 0;
159
+		}
160
+		printf("--get-- lcd_param %d\n",lcdParam[i]);
161
+	}
162
+
163
+  if(lcdParam[14] == 0 || lcdParam[10] == 0){
164
+  	 return -1;
165
+  	}
166
+	printf("-get- crc32 = 0X%02X%02X%02X%02X\n",
167
+	       param_buf_temp[LCD_PARAM_MAX_COUNT * 4], param_buf_temp[LCD_PARAM_MAX_COUNT * 4 + 1],
168
+	       param_buf_temp[LCD_PARAM_MAX_COUNT * 4 + 2], param_buf_temp[LCD_PARAM_MAX_COUNT * 4 + 3]);
169
+
170
+	data->type = lcdParam[0]; 
171
+	data->delay_prepare = lcdParam[4];
172
+	data->delay_enable = lcdParam[2];
173
+	data->delay_disable = lcdParam[3];
174
+	data->delay_unprepare = lcdParam[1];
175
+	data->delay_reset = lcdParam[5];
176
+	data->delay_init = lcdParam[6];
177
+	data->size_width = lcdParam[7];
178
+	data->size_height = lcdParam[8];
179
+	data->clock_frequency = lcdParam[9];
180
+	data->hactive = lcdParam[10];
181
+	data->hfront_porch = lcdParam[11];
182
+	data->hsync_len = lcdParam[12];
183
+	data->hback_porch = lcdParam[13];
184
+	data->vactive = lcdParam[14];
185
+	data->vfront_porch = lcdParam[15];
186
+	data->vsync_len = lcdParam[16];
187
+	data->vback_porch = lcdParam[17];
188
+	data->hsync_active = lcdParam[18];
189
+	data->vsync_active = lcdParam[19];
190
+	data->de_active = lcdParam[20];
191
+	data->pixelclk_active = lcdParam[21];
192
+	data->flags = lcdParam[22];
193
+	data->format = lcdParam[23];
194
+	data->lanes = lcdParam[24];
195
+	data->init_cmd_length = lcdParam[25] = 16;
196
+	data->nodka_lvds = lcdParam[26];
197
+    data->init_cmd =  malloc(sizeof(*(data->init_cmd)) * data->init_cmd_length);
198
+    for(i = 0; i < data->init_cmd_length; i++){
199
+       *(data->init_cmd + i) = param_buf_temp[100 + i];
200
+     //  printf("init cmd = %x\n",param_buf_temp[100 + i]);
201
+	   
202
+	}
203
+	
204
+//	set_lcdparam_test_edp(data);
205
+
206
+	return 0;
207
+}
208
+
209
+#endif
210
+
211
+
212
+static int find_connector_node(const void *blob, int node)
213
+{
214
+	int phandle, remote;
215
+	int nodedepth;
216
+
217
+	phandle = fdt_getprop_u32_default_node(blob, node, 0,
218
+					       "remote-endpoint", -1);
219
+	remote = fdt_node_offset_by_phandle(blob, phandle);
220
+	nodedepth = fdt_node_depth(blob, remote);
221
+
222
+	return fdt_supernode_atdepth_offset(blob, remote,
223
+					    nodedepth - 3, NULL);
224
+}
225
+
226
+static int get_panel_node(const void *blob, int conn_node)
227
+{
228
+	int panel, ports, port, ep, remote, ph, nodedepth;
229
+	
230
+	panel = fdt_subnode_offset(blob, conn_node, "panel");
231
+		printf("panel_1=%d\n",panel);
232
+	if (panel > 0) {
233
+		return panel;
234
+	}
235
+
236
+	ports = fdt_subnode_offset(blob, conn_node, "ports");
237
+	if (ports < 0)
238
+	{
239
+		return -ENODEV;
240
+	}
241
+
242
+	fdt_for_each_subnode(port, blob, ports) {
243
+		fdt_for_each_subnode(ep, blob, port) {
244
+			ph = fdt_getprop_u32_default_node(blob, ep, 0,
245
+							  "remote-endpoint", 0);
246
+			if (!ph)
247
+				continue;
248
+
249
+			remote = fdt_node_offset_by_phandle(blob, ph);
250
+
251
+			nodedepth = fdt_node_depth(blob, remote);
252
+			if (nodedepth < 2)
253
+				continue;
254
+
255
+			panel = fdt_supernode_atdepth_offset(blob, remote,
256
+							     nodedepth - 2,
257
+							     NULL);
258
+			break;
259
+		}
260
+	}
261
+	printf("panel_2=%d\n",panel);
262
+	return panel;
263
+}
264
+
265
+static int fdt_fixup_node_status(void *blob, int node, enum fdt_status status)
266
+{
267
+	int ret;
268
+
269
+//	printf("My fixup %s %d\n", fdt_get_name(blob, node, NULL), status);
270
+
271
+set_status:
272
+	ret = fdt_set_node_status(blob, node, status, 0);
273
+	if (ret == -FDT_ERR_NOSPACE) {
274
+		ret = fdt_increase_size(blob, 512);
275
+		if (!ret)
276
+			goto set_status;
277
+		else
278
+			goto err_size;
279
+	} else if (ret < 0) {
280
+		printf("Can't set node status: %s\n", fdt_strerror(ret));
281
+		return ret;
282
+	}
283
+
284
+	return 0;
285
+
286
+err_size:
287
+	printf("Can't increase blob size: %s\n", fdt_strerror(ret));
288
+	return ret;
289
+}
290
+#if 0
291
+static int fdt_fixup_panel_init_sequence(void *fdt, int node,const struct display_fixup_data *data)
292
+{
293
+   #if 0
294
+	u8 init_buf[] = {0x05, 0x00, 0x01, 0x78, 0x15, 0x01, 0x02, 0x03, 0x04, 0x05, 0x05, 0x01, 0x14,0x39, 0x01, 0x03, 0x02, 0x29, 0x11};
295
+	u8 exit_buf[] = {0x05, 0x64, 0x01, 0x29, 0x05, 0x64, 0x01, 0x11};
296
+	#endif
297
+	int ret;
298
+
299
+add_seq:
300
+	ret = fdt_setprop(fdt, node, "panel-init-sequence", data->init_cmd, data->init_cmd_length);
301
+	if (ret == -FDT_ERR_NOSPACE) {
302
+		printf(" init sequence FDT_ERR_NOSPACE\n");
303
+		ret = fdt_increase_size(fdt, data->init_cmd_length * 4);//gln the length needs precision
304
+		if (!ret)
305
+			goto add_seq;
306
+		else
307
+			goto err_size;
308
+	} else if (ret < 0) {
309
+		printf("Can't add property: %s\n", fdt_strerror(ret));
310
+		return ret;
311
+	}
312
+
313
+#if 0
314
+add_init_seq:
315
+	ret = fdt_setprop(fdt, node, "panel-init-sequence", init_buf, sizeof(init_buf));
316
+	if (ret == -FDT_ERR_NOSPACE) {
317
+		printf(" init sequence FDT_ERR_NOSPACE\n");
318
+		ret = fdt_increase_size(fdt, 512);//gln the length needs precision
319
+		if (!ret)
320
+			goto add_init_seq;
321
+		else
322
+			goto err_size;
323
+	} else if (ret < 0) {
324
+		printf("Can't add property: %s\n", fdt_strerror(ret));
325
+		return ret;
326
+	}
327
+add_exit_seq:
328
+	ret = fdt_setprop(fdt, node, "panel-exit-sequence", exit_buf, sizeof(exit_buf));
329
+	if (ret == -FDT_ERR_NOSPACE) {
330
+		printf(" init sequence FDT_ERR_NOSPACE\n");
331
+		ret = fdt_increase_size(fdt, 512);//gln the length needs precision
332
+		if (!ret)
333
+			goto add_exit_seq;
334
+		else
335
+			goto err_size;
336
+	} else if (ret < 0) {
337
+		printf("Can't add property: %s\n", fdt_strerror(ret));
338
+		return ret;
339
+	}
340
+#endif
341
+
342
+	return 0;
343
+
344
+err_size:
345
+	printf("Can't increase blob size: %s\n", fdt_strerror(ret));
346
+	return ret;
347
+}
348
+#endif
349
+
350
+static int fdt_fixup_setprop_u32(void *fdt, int node, const char *name, u32 data)
351
+{
352
+	int ret;
353
+
354
+set_prop:
355
+	ret = fdt_setprop_u32(fdt, node, name, data);
356
+	if (ret == -FDT_ERR_NOSPACE) {
357
+		ret = fdt_increase_size(fdt, 512);
358
+		if (!ret)
359
+			goto set_prop;
360
+		else
361
+			goto err_size;
362
+	} else if (ret < 0) {
363
+		printf("Can't add property: %s\n", fdt_strerror(ret));
364
+		return ret;
365
+	}
366
+
367
+	return 0;
368
+
369
+err_size:
370
+	printf("Can't increase blob size: %s\n", fdt_strerror(ret));
371
+	return ret;
372
+}
373
+
374
+static void fdt_fixup_display_timing(void *blob, int node,
375
+				     const struct display_fixup_data *data)
376
+{
377
+	fdt_fixup_setprop_u32(blob, node, "clock-frequency", data->clock_frequency);
378
+	fdt_fixup_setprop_u32(blob, node, "hactive", data->hactive);
379
+	fdt_fixup_setprop_u32(blob, node, "hfront-porch", data->hfront_porch);
380
+	fdt_fixup_setprop_u32(blob, node, "hsync-len", data->hsync_len);
381
+	fdt_fixup_setprop_u32(blob, node, "hback-porch", data->hback_porch);
382
+	fdt_fixup_setprop_u32(blob, node, "vactive", data->vactive);
383
+	fdt_fixup_setprop_u32(blob, node, "vfront-porch", data->vfront_porch);
384
+	fdt_fixup_setprop_u32(blob, node, "vsync-len", data->vsync_len);
385
+	fdt_fixup_setprop_u32(blob, node, "vback-porch", data->vback_porch);
386
+	fdt_fixup_setprop_u32(blob, node, "hsync-active", data->hsync_active);
387
+	fdt_fixup_setprop_u32(blob, node, "vsync-active", data->vsync_active);
388
+	fdt_fixup_setprop_u32(blob, node, "de-active", data->de_active);
389
+	fdt_fixup_setprop_u32(blob, node, "pixelclk-active", data->pixelclk_active);
390
+}
391
+
392
+static void fdt_fixup_panel_node(void *blob, int node, const char *name,
393
+				 const struct display_fixup_data *data)
394
+{
395
+/*
396
+	if (!strcmp(name, "dsi")) {
397
+		fdt_setprop_u32(blob, node, "dsi,flags", data->flags);
398
+		fdt_setprop_u32(blob, node, "dsi,format", data->format);
399
+		fdt_setprop_u32(blob, node, "dsi,lanes", data->lanes);
400
+		fdt_fixup_panel_init_sequence(blob, node,data);
401
+	}
402
+*/
403
+	fdt_fixup_setprop_u32(blob, node, "prepare-delay-ms", data->delay_prepare);
404
+	fdt_fixup_setprop_u32(blob, node, "enable-delay-ms", data->delay_enable);
405
+	fdt_fixup_setprop_u32(blob, node, "disable-delay-ms", data->delay_disable);
406
+	fdt_fixup_setprop_u32(blob, node, "unprepare-delay-ms", data->delay_unprepare);
407
+	fdt_fixup_setprop_u32(blob, node, "reset-delay-ms", data->delay_reset);
408
+	fdt_fixup_setprop_u32(blob, node, "init-delay-ms", data->delay_init);
409
+	fdt_fixup_setprop_u32(blob, node, "width-mm", data->size_width);
410
+	fdt_fixup_setprop_u32(blob, node, "height-mm", data->size_height);
411
+	
412
+}
413
+static void fdt_fixup_nodka_lvds(void *blob, int node,
414
+				     const struct display_fixup_data *data)
415
+{
416
+	if ( data->nodka_lvds != 0 )
417
+		fdt_fixup_setprop_u32(blob, node, "nodka-lvds", data->nodka_lvds);
418
+}
419
+
420
+
421
+static int fdt_fixup_display_sub_route(void *blob, const char *name,
422
+				       enum fdt_status status,
423
+				       const struct display_fixup_data *data)
424
+{
425
+	int route, phandle, connect, connector, panel, dt, timing, route_lvds;
426
+	char path[64];
427
+	char path_lvds[16] = "/panel";
428
+	int ret;
429
+	sprintf(path, "/display-subsystem/route/route-%s", name);
430
+	
431
+	
432
+	route = fdt_path_offset(blob, path);
433
+	printf("route : %d \n",route);
434
+	if (route < 0)
435
+		return route;
436
+	
437
+	route_lvds = fdt_path_offset(blob, path_lvds);
438
+	if (route_lvds < 0)
439
+	{
440
+		printf("can not get route_lvds = %d\n",route_lvds);
441
+		return route_lvds;
442
+	}
443
+	/* fixup lvds gpio channel*/
444
+	fdt_fixup_nodka_lvds(blob, route_lvds, data);
445
+	
446
+	/* fixup route status */
447
+	ret = fdt_fixup_node_status(blob, route, status);
448
+	if (ret < 0)
449
+		return ret;
450
+	phandle = fdt_getprop_u32_default_node(blob, route, 0, "connect", -1);
451
+	if (phandle < 0)
452
+		return phandle;
453
+	connect = fdt_node_offset_by_phandle(blob, phandle);
454
+	if (connect < 0)
455
+		return connect;
456
+	connector = find_connector_node(blob, connect);
457
+	if (connector < 0)
458
+		return connector;
459
+	/* fixup connector status */
460
+	ret = fdt_fixup_node_status(blob, connector, status);
461
+	if (ret < 0)
462
+		return ret;
463
+	if (status != FDT_STATUS_OKAY) {
464
+		return 0;
465
+	}
466
+	panel = get_panel_node(blob, connector);
467
+	if (panel < 0)
468
+		return panel;
469
+	/* fixup panel info */
470
+	fdt_fixup_panel_node(blob, panel, name, data);	
471
+	dt = fdt_subnode_offset(blob, panel, "display-timings");
472
+	if (dt < 0) {
473
+		return dt;
474
+	}
475
+	timing = fdt_subnode_offset(blob, dt, "timing");
476
+	if (timing < 0) {
477
+		phandle = fdt_getprop_u32_default_node(blob, dt, 0, "native-mode", -1);
478
+		if (phandle < 0)
479
+			return phandle;
480
+
481
+		timing = fdt_node_offset_by_phandle(blob, phandle);
482
+		if (timing < 0)
483
+			return timing;
484
+	}
485
+
486
+	/* fixup panel display timing */
487
+	fdt_fixup_display_timing(blob, timing, data);
488
+	return 0;
489
+}
490
+
491
+static void fdt_fixup_display_route(void *blob, const struct display_fixup_data *data)
492
+{
493
+	if (data->type == PANEL_TYPE_DSI) {
494
+		fdt_fixup_display_sub_route(blob, "dsi1", FDT_STATUS_OKAY, data);
495
+		fdt_fixup_display_sub_route(blob, "edp", FDT_STATUS_DISABLED, data);
496
+		fdt_fixup_display_sub_route(blob, "lvds", FDT_STATUS_DISABLED, data);
497
+	} else if (data->type == PANEL_TYPE_EDP) {
498
+		fdt_fixup_display_sub_route(blob, "dsi1", FDT_STATUS_DISABLED, data);
499
+		fdt_fixup_display_sub_route(blob, "edp", FDT_STATUS_OKAY, data);
500
+		fdt_fixup_display_sub_route(blob, "lvds", FDT_STATUS_DISABLED, data);
501
+	} else if (data->type == PANEL_TYPE_LVDS) {
502
+		fdt_fixup_display_sub_route(blob, "lvds", FDT_STATUS_OKAY, data);
503
+	  	fdt_fixup_display_sub_route(blob, "dsi1", FDT_STATUS_DISABLED, data);
504
+		fdt_fixup_display_sub_route(blob, "edp", FDT_STATUS_DISABLED, data);
505
+	}
506
+}
507
+
508
+
509
+
510
+
511
+
512
+
513
+
514
+
515
+
19
516
 #ifdef CONFIG_USING_KERNEL_DTB_V2
20
517
 static int dm_rm_kernel_dev(void)
21
518
 {
..
..
@@ -301,6 +798,7 @@
301
798
 #endif
302
799
 	ulong fdt_addr = 0;
303
800
 	int ret = -ENODEV;
801
+	struct display_fixup_data fix_data;
304
802
 
305
803
 	printf("DM: v%d\n", IS_ENABLED(CONFIG_USING_KERNEL_DTB_V2) ? 2 : 1);
306
804
 
..
..
@@ -318,8 +816,8 @@
318
816
 	}
319
817
 
320
818
 #ifdef CONFIG_EMBED_KERNEL_DTB_ALWAYS
321
-	printf("Always embed kernel dtb\n");
322
-	goto dtb_embed;
819
+       	printf("Always embed kernel dtb\n");
820
+       	goto dtb_embed;
323
821
 #endif
324
822
 	ret = rockchip_read_dtb_file((void *)fdt_addr);
325
823
 	if (!ret) {
..
..
@@ -375,6 +873,8 @@
375
873
 	phandles_fixup_cru((void *)gd->fdt_blob);
376
874
 	phandles_fixup_gpio((void *)gd->fdt_blob, (void *)ufdt_blob);
377
875
 #endif
876
+	if (!get_lcdparam_info_from_custom_partition(&fix_data))
877
+				fdt_fixup_display_route((void *)fdt_addr, &fix_data);
378
878
 
379
879
 	gd->flags |= GD_FLG_KDTB_READY;
380
880
 	gd->of_root_f = gd->of_root;