Merge tag 'v2021.01-rc5' into next
[platform/kernel/u-boot.git] / drivers / misc / cros_ec_sandbox.c
index d741554..b3bb537 100644 (file)
 #include <ec_commands.h>
 #include <errno.h>
 #include <hash.h>
-#include <malloc.h>
+#include <log.h>
 #include <os.h>
 #include <u-boot/sha256.h>
 #include <spi.h>
+#include <asm/malloc.h>
 #include <asm/state.h>
 #include <asm/sdl.h>
 #include <linux/input.h>
@@ -74,7 +75,7 @@ struct ec_keymatrix_entry {
  * @recovery_req: Keyboard recovery requested
  */
 struct ec_state {
-       uint8_t vbnv_context[EC_VBNV_BLOCK_SIZE];
+       u8 vbnv_context[EC_VBNV_BLOCK_SIZE_V2];
        struct fdt_cros_ec ec_config;
        uint8_t *flash_data;
        int flash_data_len;
@@ -115,7 +116,7 @@ static int cros_ec_read_state(const void *blob, int node)
        prop = fdt_getprop(blob, node, "flash-data", &len);
        if (prop) {
                ec->flash_data_len = len;
-               ec->flash_data = os_malloc(len);
+               ec->flash_data = malloc(len);
                if (!ec->flash_data)
                        return -ENOMEM;
                memcpy(ec->flash_data, prop, len);
@@ -313,13 +314,15 @@ static int process_cmd(struct ec_state *ec,
 
                switch (req->op) {
                case EC_VBNV_CONTEXT_OP_READ:
+                       /* TODO(sjg@chromium.org): Support full-size context */
                        memcpy(resp->block, ec->vbnv_context,
-                              sizeof(resp->block));
-                       len = sizeof(*resp);
+                              EC_VBNV_BLOCK_SIZE);
+                       len = 16;
                        break;
                case EC_VBNV_CONTEXT_OP_WRITE:
-                       memcpy(ec->vbnv_context, resp->block,
-                              sizeof(resp->block));
+                       /* TODO(sjg@chromium.org): Support full-size context */
+                       memcpy(ec->vbnv_context, req->block,
+                              EC_VBNV_BLOCK_SIZE);
                        len = 0;
                        break;
                default:
@@ -457,6 +460,14 @@ static int process_cmd(struct ec_state *ec,
        case EC_CMD_ENTERING_MODE:
                len = 0;
                break;
+       case EC_CMD_GET_NEXT_EVENT: {
+               struct ec_response_get_next_event *resp = resp_data;
+
+               resp->event_type = EC_MKBP_EVENT_KEY_MATRIX;
+               cros_ec_keyscan(ec, resp->data.key_matrix);
+               len = sizeof(*resp);
+               break;
+       }
        default:
                printf("   ** Unknown EC command %#02x\n", req_hdr->command);
                return -1;
@@ -543,14 +554,14 @@ int cros_ec_probe(struct udevice *dev)
            ec->flash_data_len != ec->ec_config.flash.length) {
                printf("EC data length is %x, expected %x, discarding data\n",
                       ec->flash_data_len, ec->ec_config.flash.length);
-               os_free(ec->flash_data);
+               free(ec->flash_data);
                ec->flash_data = NULL;
        }
 
        /* Otherwise allocate the memory */
        if (!ec->flash_data) {
                ec->flash_data_len = ec->ec_config.flash.length;
-               ec->flash_data = os_malloc(ec->flash_data_len);
+               ec->flash_data = malloc(ec->flash_data_len);
                if (!ec->flash_data)
                        return -ENOMEM;
        }
@@ -569,11 +580,11 @@ static const struct udevice_id cros_ec_ids[] = {
        { }
 };
 
-U_BOOT_DRIVER(cros_ec_sandbox) = {
-       .name           = "cros_ec_sandbox",
+U_BOOT_DRIVER(google_cros_ec_sandbox) = {
+       .name           = "google_cros_ec_sandbox",
        .id             = UCLASS_CROS_EC,
        .of_match       = cros_ec_ids,
        .probe          = cros_ec_probe,
-       .priv_auto_alloc_size = sizeof(struct ec_state),
+       .priv_auto      = sizeof(struct ec_state),
        .ops            = &cros_ec_ops,
 };