cros_ec: Add cros_ec_build_info and callback
Wilco does not expose the fw version via the RO or RW version like a
standard CROS EC. Instead we will use the build info.
The function is marked as unused because it will be used in the next cl.
BUG=b:130438917
TEST=mosys ish info on Sarien
Change-Id: I3500b076d0c8ba63a732e0fd4b636a2a92e3f9da
Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/1625451
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Legacy-Commit-Queue: Commit Bot <commit-bot@chromium.org>
Reviewed-by: Jett Rink <jettrink@chromium.org>
diff --git a/drivers/google/cros_ec.c b/drivers/google/cros_ec.c
index 16fea43..f0d7434 100644
--- a/drivers/google/cros_ec.c
+++ b/drivers/google/cros_ec.c
@@ -117,6 +117,27 @@
return ret;
}
+const char *cros_ec_build_info(struct platform_intf *intf, struct ec_cb *ec)
+{
+ const int max_size = 128;
+ char *ret = mosys_zalloc(max_size);
+ struct cros_ec_priv *priv;
+
+ MOSYS_CHECK(ec && ec->priv);
+ priv = ec->priv;
+
+ MOSYS_CHECK(priv->cmd);
+ if (priv->cmd(intf, ec, EC_CMD_GET_BUILD_INFO, 0, ret, max_size - 1,
+ NULL, 0)) {
+ free(ret);
+ return NULL;
+ }
+
+ lprintf(LOG_DEBUG, "Build Info: %s\n", ret);
+
+ return ret;
+}
+
int cros_ec_board_version(struct platform_intf *intf, struct ec_cb *ec)
{
struct cros_ec_priv *priv;
diff --git a/drivers/google/cros_ec_cb.c b/drivers/google/cros_ec_cb.c
index 5bef5e0..e5ac09b 100644
--- a/drivers/google/cros_ec_cb.c
+++ b/drivers/google/cros_ec_cb.c
@@ -84,6 +84,20 @@
return version;
}
+__attribute__((unused)) static const char *
+cros_ec_build_info_cb(struct platform_intf *intf, struct ec_cb *ec)
+{
+ static const char *build_info = NULL;
+
+ if (build_info)
+ return build_info;
+
+ build_info = cros_ec_build_info(intf, ec);
+ if (build_info)
+ add_destroy_callback(free, (void *)build_info);
+ return build_info;
+}
+
struct ec_cb cros_ec_cb = {
.vendor = cros_ec_vendor,
.name = cros_ec_name,
diff --git a/include/drivers/google/cros_ec.h b/include/drivers/google/cros_ec.h
index 79639b7..164c68a 100644
--- a/include/drivers/google/cros_ec.h
+++ b/include/drivers/google/cros_ec.h
@@ -90,6 +90,7 @@
/* EC commands */
int cros_ec_hello(struct platform_intf *intf, struct ec_cb *ec);
const char *cros_ec_version(struct platform_intf *intf, struct ec_cb *ec);
+const char *cros_ec_build_info(struct platform_intf *intf, struct ec_cb *ec);
int cros_ec_chip_info(struct platform_intf *intf, struct ec_cb *ec,
struct ec_response_get_chip_info *info);
int cros_ec_flash_info(struct platform_intf *intf, struct ec_cb *ec,
