superio/fintek: Add f81803A

Add f81803A plus the capability to control the fan with any fintek SIO.
This will be done through a common API, though currently only F81803A will
have it implemented.

BUG=none.
TEST=Tested later with padmelon board.

Change-Id: I3d336e76bccc38452b1b1aefef5d4a4f7ee129a8
Signed-off-by: Richard Spiegel <richard.spiegel@silverbackltd.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33623
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>

1 files changed, 63 insertions, 0 deletions

diff --git a/src/superio/fintek/common/fan_api_call.c b/src/superio/fintek/common/fan_api_call.c
new file mode 100644
index 0000000000..1bd5b2e7d4
--- /dev/null
+++ b/src/superio/fintek/common/fan_api_call.c
@@ -0,0 +1,63 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2019 Richard Spiegel <richard.spiegel@silverbackltd.com>
+ * Copyright (C) 2019 Silverback ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <console/console.h>
+#include "fan_control.h"
+
+static int check_status(int status)
+{
+	if (status < HWM_STATUS_SUCCESS)
+		return status;
+	return HWM_STATUS_SUCCESS;	/* positive values are warnings only */
+}
+
+int set_fan(struct fintek_fan *fan_init)
+{
+	int s;
+
+	s = set_sensor_type(CONFIG_HWM_PORT, fan_init->sensor, fan_init->stype);
+	if (check_status(s) != HWM_STATUS_SUCCESS)
+		return s;
+
+	s = set_fan_temperature_source(CONFIG_HWM_PORT, fan_init->fan, fan_init->temp_source);
+	if (check_status(s) != HWM_STATUS_SUCCESS)
+		return s;
+
+	s = set_fan_type_mode(CONFIG_HWM_PORT, fan_init->fan, fan_init->ftype, fan_init->fmode);
+	if (check_status(s) != HWM_STATUS_SUCCESS)
+		return s;
+
+	s = set_pwm_frequency(CONFIG_HWM_PORT, fan_init->fan, fan_init->fan_freq);
+	if (check_status(s) != HWM_STATUS_SUCCESS)
+		return s;
+
+	s = set_fan_speed_change_rate(CONFIG_HWM_PORT, fan_init->fan, fan_init->rate_up,
+				fan_init->rate_down);
+	if (check_status(s) != HWM_STATUS_SUCCESS)
+		return s;
+
+	s = set_fan_follow(CONFIG_HWM_PORT, fan_init->fan, fan_init->follow);
+	if (check_status(s) != HWM_STATUS_SUCCESS)
+		return s;
+
+	s = set_sections(CONFIG_HWM_PORT, fan_init->fan, fan_init->boundaries,
+				fan_init->sections);
+	if (check_status(s) != HWM_STATUS_SUCCESS)
+		return s;
+
+	printk(BIOS_DEBUG, "Fan %d completed\n", fan_init->fan);
+	return HWM_STATUS_SUCCESS;
+}