Kip: Support force lid open

Factory test process need lid switch no function or keep lid opened

BUG=chrome-os-partner:33281
BRANCH=kip
TEST=Run command "ectool forcelidopen 1" and "reboot". Then lid close
quickly, the system boot as lid opened.
Deault value  or run command "ectool forcelidopen 0" make the device normal.

Change-Id: I407a28c6900a1f8aa9d3b01d4e83f6c4e1e88012
Signed-off-by: Devin Lu <Devin.Lu@quantatw.com>
Reviewed-on: https://chromium-review.googlesource.com/225334
Reviewed-by: Chih-Wei Tsai <adam.tsai@quantatw.com>
Tested-by: Chih-Wei Tsai <adam.tsai@quantatw.com>
Reviewed-by: Mohammed Habibulla <moch@chromium.org>

3 files changed, 56 insertions, 1 deletions

diff --git a/common/lid_switch.c b/common/lid_switch.c
index 80e3dbfbaa..e955965e92 100644
--- a/common/lid_switch.c
+++ b/common/lid_switch.c
@@ -21,6 +21,7 @@
 #define LID_DEBOUNCE_US    (30 * MSEC)  /* Debounce time for lid switch */
 
 static int debounced_lid_open;		/* Debounced lid state */
+static int forced_lid_open;	/* Forced lid open */
 
 /**
  * Get raw lid switch state.
@@ -29,7 +30,7 @@ static int debounced_lid_open;		/* Debounced lid state */
  */
 static int raw_lid_open(void)
 {
-	return gpio_get_level(GPIO_LID_OPEN) ? 1 : 0;
+	return (forced_lid_open || gpio_get_level(GPIO_LID_OPEN)) ? 1 : 0;
 }
 
 /**
@@ -125,3 +126,21 @@ DECLARE_CONSOLE_COMMAND(lidclose, command_lidclose,
 			NULL,
 			"Simulate lid close",
 			NULL);
+
+/**
+ * Host command to enable/disable lid opened.
+ */
+static int hc_force_lid_open(struct host_cmd_handler_args *args)
+{
+	const struct ec_params_force_lid_open *p = args->params;
+
+	/* Override lid open if necessary */
+	forced_lid_open = p->enabled ? 1 : 0;
+
+	/* Make this take effect immediately; no debounce time */
+	hook_call_deferred(lid_change_deferred, 0);
+
+	return EC_RES_SUCCESS;
+}
+DECLARE_HOST_COMMAND(EC_CMD_FORCE_LID_OPEN, hc_force_lid_open,
+		     EC_VER_MASK(0));
diff --git a/include/ec_commands.h b/include/ec_commands.h
index 9a5c4ec68b..9238d037d8 100644
--- a/include/ec_commands.h
+++ b/include/ec_commands.h
@@ -1326,6 +1326,16 @@ struct ec_response_motion_sense {
 } __packed;
 
 /*****************************************************************************/
+/* Force lid open command */
+
+/* Make lid event always open */
+#define EC_CMD_FORCE_LID_OPEN 0x2c
+
+struct ec_params_force_lid_open {
+	uint8_t enabled;
+} __packed;
+
+/*****************************************************************************/
 /* USB charging control commands */
 
 /* Set USB port charging mode */
diff --git a/util/ectool.c b/util/ectool.c
index 4539d62e7c..8571fe84c7 100644
--- a/util/ectool.c
+++ b/util/ectool.c
@@ -86,6 +86,8 @@ const char help_str[] =
 	"      Reads from EC flash to a file\n"
 	"  flashwrite <offset> <infile>\n"
 	"      Writes to EC flash from a file\n"
+	"  forcelidopen <enable>\n"
+	"      Forces the lid switch to open position\n"
 	"  gpioget <GPIO name>\n"
 	"      Get the value of GPIO signal\n"
 	"  gpioset <GPIO name>\n"
@@ -3810,6 +3812,29 @@ struct command {
 	int (*handler)(int argc, char *argv[]);
 };
 
+int cmd_force_lid_open(int argc, char *argv[])
+{
+	struct ec_params_force_lid_open p;
+	char *e;
+	int rv;
+
+	if (argc != 2) {
+		fprintf(stderr, "Usage: %s <0|1>\n", argv[0]);
+		return -1;
+	}
+	p.enabled = strtol(argv[1], &e, 0);
+	if (e && *e) {
+		fprintf(stderr, "Bad value.\n");
+		return -1;
+	}
+
+	rv = ec_command(EC_CMD_FORCE_LID_OPEN, 0, &p, sizeof(p), NULL, 0);
+	if (rv < 0)
+		return rv;
+	printf("Success.\n");
+	return 0;
+}
+
 /* NULL-terminated list of commands */
 const struct command commands[] = {
 	{"extpwrcurrentlimit", cmd_ext_power_current_limit},
@@ -3842,6 +3867,7 @@ const struct command commands[] = {
 	{"flashread", cmd_flash_read},
 	{"flashwrite", cmd_flash_write},
 	{"flashinfo", cmd_flash_info},
+	{"forcelidopen", cmd_force_lid_open},
 	{"gpioget", cmd_gpio_get},
 	{"gpioset", cmd_gpio_set},
 	{"hangdetect", cmd_hang_detect},