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-rw-r--r--chip/it83xx/dac.c90
1 files changed, 0 insertions, 90 deletions
diff --git a/chip/it83xx/dac.c b/chip/it83xx/dac.c
deleted file mode 100644
index 695d1cbc68..0000000000
--- a/chip/it83xx/dac.c
+++ /dev/null
@@ -1,90 +0,0 @@
-/* Copyright 2020 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.
- */
-
-/* IT83xx DAC module for Chrome EC */
-
-#include "console.h"
-#include "dac_chip.h"
-#include "gpio.h"
-#include "hooks.h"
-#include "registers.h"
-#include "util.h"
-
-/* DAC module enable */
-void dac_enable_channel(enum chip_dac_channel ch)
-{
- IT83XX_DAC_DACPDREG &= ~IT83XX_DAC_POWDN(ch);
-}
-
-/* DAC module disable */
-void dac_disable_channel(enum chip_dac_channel ch)
-{
- IT83XX_DAC_DACPDREG |= IT83XX_DAC_POWDN(ch);
-}
-
-/* Set DAC output voltage */
-void dac_set_output_voltage(enum chip_dac_channel ch, int mv)
-{
- IT83XX_DAC_DACDAT(ch) = mv * DAC_RAW_DATA / DAC_AVCC;
-}
-
-/* Get DAC output voltage */
-int dac_get_output_voltage(enum chip_dac_channel ch)
-{
- return IT83XX_DAC_DACDAT(ch) * DAC_AVCC / DAC_RAW_DATA;
-}
-
-/* DAC module Initialization */
-static void dac_init(void)
-{
- /* Configure GPIOs */
- gpio_config_module(MODULE_DAC, 1);
-}
-DECLARE_HOOK(HOOK_INIT, dac_init, HOOK_PRIO_INIT_DAC);
-
-static int command_dac(int argc, char **argv)
-{
- char *e;
- int ch, mv, rv;
-
- if (argc < 2)
- return EC_ERROR_PARAM_COUNT;
-
- ch = strtoi(argv[1], &e, 0);
- if (*e)
- return EC_ERROR_PARAM1;
- if (ch < 2 || ch > 5) {
- ccprintf("ch%d is not supported\n", ch);
- return EC_ERROR_PARAM1;
- }
-
- if (argc == 2) {
- if (!(IT83XX_DAC_DACPDREG & IT83XX_DAC_POWDN(ch))) {
- /* Get DAC output voltage */
- rv = dac_get_output_voltage(ch);
- ccprintf("DAC ch%d VOLT=%dmV\n", ch, rv);
- } else
- ccprintf("The DAC ch%d is powered down.\n", ch);
- } else {
- /*
- * DAC data register raw data
- * 0 ~ 0xFF(8-bit) = voltage 0 ~ 3300mV
- */
- mv = strtoi(argv[2], &e, 0);
- if (*e)
- return EC_ERROR_PARAM2;
- if (mv) {
- /* Set DAC output voltage */
- dac_set_output_voltage(ch, mv);
- dac_enable_channel(ch);
- } else
- dac_disable_channel(ch);
- }
-
- return EC_SUCCESS;
-}
-DECLARE_CONSOLE_COMMAND(dac, command_dac,
- "[ch2-5] [0-3300mV]",
- "Enable or disable(0mV) DAC output voltage.");