diff options
Diffstat (limited to 'driver/temp_sensor/sb_tsi.c')
-rw-r--r-- | driver/temp_sensor/sb_tsi.c | 41 |
1 files changed, 0 insertions, 41 deletions
diff --git a/driver/temp_sensor/sb_tsi.c b/driver/temp_sensor/sb_tsi.c deleted file mode 100644 index ba47bcb727..0000000000 --- a/driver/temp_sensor/sb_tsi.c +++ /dev/null @@ -1,41 +0,0 @@ -/* Copyright 2016 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - -/* - * SB-TSI: SB Temperature Sensor Interface. - * This is an I2C temp sensor on the AMD Stony Ridge FT4 SOC. - */ - -#include "chipset.h" -#include "common.h" -#include "console.h" -#include "gpio.h" -#include "hooks.h" -#include "i2c.h" -#include "sb_tsi.h" -#include "util.h" - -static int raw_read8(const int offset, int *data_ptr) -{ - return i2c_read8(I2C_PORT_THERMAL_AP, SB_TSI_I2C_ADDR_FLAGS, - offset, data_ptr); -} - -int sb_tsi_get_val(int idx, int *temp_ptr) -{ - int ret; - /* There is only one temp sensor on the FT4 */ - if (idx != 0) - return EC_ERROR_PARAM1; - /* FT4 SB-TSI sensor only powered in S0 */ - if (!chipset_in_state(CHIPSET_STATE_ON)) - return EC_ERROR_NOT_POWERED; - /* Read the value over I2C */ - ret = raw_read8(SB_TSI_TEMP_H, temp_ptr); - if (ret) - return ret; - *temp_ptr = C_TO_K(*temp_ptr); - return EC_SUCCESS; -} |