/* Copyright 2017 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.
 */

/* MCHP MEC specific ADC module for Chrome EC */

#ifndef __CROS_EC_ADC_CHIP_H
#define __CROS_EC_ADC_CHIP_H

/* Data structure to define ADC channels. */
struct adc_t {
	const char *name;
	int factor_mul;
	int factor_div;
	int shift;
	int channel;
};

/*
 * Boards must provide this list of ADC channel definitions.
 * This must match the enum adc_channel list provided by the board.
 */
extern const struct adc_t adc_channels[];

/* Minimum and maximum values returned by adc_read_channel(). */
#define ADC_READ_MIN 0
#define ADC_READ_MAX 1023

/* Just plain id mapping for code readability */
#define MCHP_ADC_CH(x) (x)

#endif /* __CROS_EC_ADC_CHIP_H */

/* Copyright 2017 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.
 */

/* MCHP MEC specific ADC module for Chrome EC */

#ifndef __CROS_EC_ADC_CHIP_H
#define __CROS_EC_ADC_CHIP_H

/* Data structure to define ADC channels. */
struct adc_t {
	const char *name;
	int factor_mul;
	int factor_div;
	int shift;
	int channel;
};

/* List of ADC channels */
enum chip_adc_channel {
	CHIP_ADC_CH0 = 0,
	CHIP_ADC_CH1,
	CHIP_ADC_CH2,
	CHIP_ADC_CH3,
	CHIP_ADC_CH4,
	CHIP_ADC_CH5,
	CHIP_ADC_CH6,
	CHIP_ADC_CH7,
	CHIP_ADC_COUNT,
};

/*
 * Boards must provide this list of ADC channel definitions.
 * This must match the enum adc_channel list provided by the board.
 */
extern const struct adc_t adc_channels[];

/* Minimum and maximum values returned by adc_read_channel(). */
#define ADC_READ_MIN 0
#define ADC_READ_MAX 1023

/* Just plain id mapping for code readability */
#define MCHP_ADC_CH(x) (x)

#endif /* __CROS_EC_ADC_CHIP_H */

Add ADC channel enumeration to chip
mchp: Add ADC channel enumeration to chip

Add a chip level ADC channel enumerated type.

BRANCH=none
BUG=b:177463787
TEST=Booted skylake RVP to Chrome OS

Signed-off-by: Scott Worley <186210b307f58d6c0a191337b635ed93ad075837@microchip.corp-partner.google.com>
Change-Id: If30a71698b1d084380c6695e4c4b8921f5b8eec2
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2673019
Reviewed-by: Ravin Kumar <a0e97d6aca75c950342a3a8ebb8bd1c89d88be3e@microchip.com>
Reviewed-by: Aseda Aboagye <12c9b286316a940fd31c24070da5ab64cdd4d0e7@chromium.org>
Tested-by: Ravin Kumar <a0e97d6aca75c950342a3a8ebb8bd1c89d88be3e@microchip.com>
