102 	struct ec_state *ec = &s_state;  in cros_ec_read_state()  local
107 	ec->current_image = EC_IMAGE_RO;  in cros_ec_read_state()
112 	ec->current_image = fdtdec_get_int(blob, node, "current-image",  in cros_ec_read_state()
115 	if (prop && len == sizeof(ec->vbnv_context))  in cros_ec_read_state()
116 		memcpy(ec->vbnv_context, prop, len);  in cros_ec_read_state()
120 		ec->flash_data_len = len;  in cros_ec_read_state()
121 		ec->flash_data = os_malloc(len);  in cros_ec_read_state()
122 		if (!ec->flash_data)  in cros_ec_read_state()
124 		memcpy(ec->flash_data, prop, len);  in cros_ec_read_state()
142 	struct ec_state *ec = g_state;  in cros_ec_write_state()  local
145 	fdt_setprop_u32(blob, node, "current-image", ec->current_image);  in cros_ec_write_state()
146 	fdt_setprop(blob, node, "vbnv-context", ec->vbnv_context,  in cros_ec_write_state()
147 		    sizeof(ec->vbnv_context));  in cros_ec_write_state()
148 	return state_setprop(node, "flash-data", ec->flash_data,  in cros_ec_write_state()
149 			     ec->ec_config.flash.length);  in cros_ec_write_state()
167 static int get_image_used(struct ec_state *ec, struct fmap_entry *entry)  in get_image_used()  argument
177 	     size > 0 && ec->flash_data[entry->offset + size] != 0xea;  in get_image_used()
194 static int keyscan_read_fdt_matrix(struct ec_state *ec, ofnode node)  in keyscan_read_fdt_matrix()  argument
201 	ec->matrix_count = len / 4;  in keyscan_read_fdt_matrix()
202 	ec->matrix = calloc(ec->matrix_count, sizeof(*ec->matrix));  in keyscan_read_fdt_matrix()
203 	if (!ec->matrix) {  in keyscan_read_fdt_matrix()
209 	for (upto = 0; upto < ec->matrix_count; upto++) {  in keyscan_read_fdt_matrix()
210 		struct ec_keymatrix_entry *matrix = &ec->matrix[upto];  in keyscan_read_fdt_matrix()
227 	if (upto != ec->matrix_count) {  in keyscan_read_fdt_matrix()
243 static int cros_ec_keyscan(struct ec_state *ec, uint8_t *scan)  in cros_ec_keyscan()  argument
251 	memset(ec->keyscan, '\0', bytes);  in cros_ec_keyscan()
255 	for (i = 0, matrix = ec->matrix; i < ec->matrix_count; i++, matrix++) {  in cros_ec_keyscan()
267 			ec->keyscan[matrix->col] |= 1 << matrix->row;  in cros_ec_keyscan()
271 	memcpy(scan, ec->keyscan, bytes);  in cros_ec_keyscan()
285 static int process_cmd(struct ec_state *ec,  in process_cmd()  argument
308 		resp->current_image = ec->current_image;  in process_cmd()
319 			memcpy(resp->block, ec->vbnv_context,  in process_cmd()
324 			memcpy(ec->vbnv_context, resp->block,  in process_cmd()
344 			ec->current_image = EC_IMAGE_RW;  in process_cmd()
357 		if (ec->recovery_req) {  in process_cmd()
371 		entry = &ec->ec_config.region[EC_FLASH_REGION_RW];  in process_cmd()
377 			len = get_image_used(ec, entry);  in process_cmd()
379 					 ec->flash_data + entry->offset,  in process_cmd()
428 			entry = &ec->ec_config.region[req->region];  in process_cmd()
444 		memset(ec->flash_data + req->offset,  in process_cmd()
445 		       ec->ec_config.flash_erase_value,  in process_cmd()
453 		memcpy(ec->flash_data + req->offset, req + 1, req->size);  in process_cmd()
458 		len = cros_ec_keyscan(ec, resp_data);  in process_cmd()
474 	struct ec_state *ec = dev_get_priv(dev->dev);  in cros_ec_sandbox_packet()  local
481 	len = process_cmd(ec, req_hdr, req_data, resp_hdr, resp_data);  in cros_ec_sandbox_packet()
499 	struct ec_state *ec = dev_get_priv(dev->dev);  in cros_ec_check_keyboard()  local
508 		ec->recovery_req = true;  in cros_ec_check_keyboard()
515 	struct ec_state *ec = dev->priv;  in cros_ec_probe()  local
521 	memcpy(ec, &s_state, sizeof(*ec));  in cros_ec_probe()
522 	err = cros_ec_decode_ec_flash(dev, &ec->ec_config);  in cros_ec_probe()
539 	} else if (keyscan_read_fdt_matrix(ec, node)) {  in cros_ec_probe()
545 	if (ec->flash_data &&  in cros_ec_probe()
546 	    ec->flash_data_len != ec->ec_config.flash.length) {  in cros_ec_probe()
548 		       ec->flash_data_len, ec->ec_config.flash.length);  in cros_ec_probe()
549 		os_free(ec->flash_data);  in cros_ec_probe()
550 		ec->flash_data = NULL;  in cros_ec_probe()
554 	if (!ec->flash_data) {  in cros_ec_probe()
555 		ec->flash_data_len = ec->ec_config.flash.length;  in cros_ec_probe()
556 		ec->flash_data = os_malloc(ec->flash_data_len);  in cros_ec_probe()
557 		if (!ec->flash_data)  in cros_ec_probe()
562 	g_state = ec;  in cros_ec_probe()