Re: [PATCH 7/7] iio: adc: twl4030: Fold twl4030-madc.h into driver

From: Jonathan Cameron
Date: Sun Apr 30 2017 - 12:38:22 EST


On 27/04/17 16:30, Sebastian Reichel wrote:
> twl4030-madc.h is no longer used by anything outside of
> the iio driver, so it can be merged into the driver.
>
> Signed-off-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxxxx>
Acked-by: Jonathan Cameron <jic23@xxxxxxxxxx>
> ---
> drivers/iio/adc/twl4030-madc.c | 113 +++++++++++++++++++++++++++++++-
> include/linux/i2c/twl4030-madc.h | 137 ---------------------------------------
> 2 files changed, 112 insertions(+), 138 deletions(-)
> delete mode 100644 include/linux/i2c/twl4030-madc.h
>
> diff --git a/drivers/iio/adc/twl4030-madc.c b/drivers/iio/adc/twl4030-madc.c
> index 21df5b932bd1..bd3d37fc2144 100644
> --- a/drivers/iio/adc/twl4030-madc.c
> +++ b/drivers/iio/adc/twl4030-madc.c
> @@ -36,7 +36,6 @@
> #include <linux/platform_device.h>
> #include <linux/slab.h>
> #include <linux/i2c/twl.h>
> -#include <linux/i2c/twl4030-madc.h>
> #include <linux/module.h>
> #include <linux/stddef.h>
> #include <linux/mutex.h>
> @@ -49,9 +48,121 @@
>
> #include <linux/iio/iio.h>
>
> +#define TWL4030_MADC_MAX_CHANNELS 16
> +
> +#define TWL4030_MADC_CTRL1 0x00
> +#define TWL4030_MADC_CTRL2 0x01
> +
> +#define TWL4030_MADC_RTSELECT_LSB 0x02
> +#define TWL4030_MADC_SW1SELECT_LSB 0x06
> +#define TWL4030_MADC_SW2SELECT_LSB 0x0A
> +
> +#define TWL4030_MADC_RTAVERAGE_LSB 0x04
> +#define TWL4030_MADC_SW1AVERAGE_LSB 0x08
> +#define TWL4030_MADC_SW2AVERAGE_LSB 0x0C
> +
> +#define TWL4030_MADC_CTRL_SW1 0x12
> +#define TWL4030_MADC_CTRL_SW2 0x13
> +
> +#define TWL4030_MADC_RTCH0_LSB 0x17
> +#define TWL4030_MADC_GPCH0_LSB 0x37
> +
> +#define TWL4030_MADC_MADCON (1 << 0) /* MADC power on */
> +#define TWL4030_MADC_BUSY (1 << 0) /* MADC busy */
> +/* MADC conversion completion */
> +#define TWL4030_MADC_EOC_SW (1 << 1)
> +/* MADC SWx start conversion */
> +#define TWL4030_MADC_SW_START (1 << 5)
> +#define TWL4030_MADC_ADCIN0 (1 << 0)
> +#define TWL4030_MADC_ADCIN1 (1 << 1)
> +#define TWL4030_MADC_ADCIN2 (1 << 2)
> +#define TWL4030_MADC_ADCIN3 (1 << 3)
> +#define TWL4030_MADC_ADCIN4 (1 << 4)
> +#define TWL4030_MADC_ADCIN5 (1 << 5)
> +#define TWL4030_MADC_ADCIN6 (1 << 6)
> +#define TWL4030_MADC_ADCIN7 (1 << 7)
> +#define TWL4030_MADC_ADCIN8 (1 << 8)
> +#define TWL4030_MADC_ADCIN9 (1 << 9)
> +#define TWL4030_MADC_ADCIN10 (1 << 10)
> +#define TWL4030_MADC_ADCIN11 (1 << 11)
> +#define TWL4030_MADC_ADCIN12 (1 << 12)
> +#define TWL4030_MADC_ADCIN13 (1 << 13)
> +#define TWL4030_MADC_ADCIN14 (1 << 14)
> +#define TWL4030_MADC_ADCIN15 (1 << 15)
> +
> +/* Fixed channels */
> +#define TWL4030_MADC_BTEMP TWL4030_MADC_ADCIN1
> +#define TWL4030_MADC_VBUS TWL4030_MADC_ADCIN8
> +#define TWL4030_MADC_VBKB TWL4030_MADC_ADCIN9
> +#define TWL4030_MADC_ICHG TWL4030_MADC_ADCIN10
> +#define TWL4030_MADC_VCHG TWL4030_MADC_ADCIN11
> +#define TWL4030_MADC_VBAT TWL4030_MADC_ADCIN12
> +
> +/* Step size and prescaler ratio */
> +#define TEMP_STEP_SIZE 147
> +#define TEMP_PSR_R 100
> +#define CURR_STEP_SIZE 147
> +#define CURR_PSR_R1 44
> +#define CURR_PSR_R2 88
> +
> +#define TWL4030_BCI_BCICTL1 0x23
> +#define TWL4030_BCI_CGAIN 0x020
> +#define TWL4030_BCI_MESBAT (1 << 1)
> +#define TWL4030_BCI_TYPEN (1 << 4)
> +#define TWL4030_BCI_ITHEN (1 << 3)
> +
> +#define REG_BCICTL2 0x024
> +#define TWL4030_BCI_ITHSENS 0x007
> +
> +/* Register and bits for GPBR1 register */
> +#define TWL4030_REG_GPBR1 0x0c
> +#define TWL4030_GPBR1_MADC_HFCLK_EN (1 << 7)
> +
> #define TWL4030_USB_SEL_MADC_MCPC (1<<3)
> #define TWL4030_USB_CARKIT_ANA_CTRL 0xBB
>
> +struct twl4030_madc_conversion_method {
> + u8 sel;
> + u8 avg;
> + u8 rbase;
> + u8 ctrl;
> +};
> +
> +/**
> + * struct twl4030_madc_request - madc request packet for channel conversion
> + * @channels: 16 bit bitmap for individual channels
> + * @do_avg: sample the input channel for 4 consecutive cycles
> + * @method: RT, SW1, SW2
> + * @type: Polling or interrupt based method
> + * @active: Flag if request is active
> + * @result_pending: Flag from irq handler, that result is ready
> + * @raw: Return raw value, do not convert it
> + * @rbuf: Result buffer
> + */
> +struct twl4030_madc_request {
> + unsigned long channels;
> + bool do_avg;
> + u16 method;
> + u16 type;
> + bool active;
> + bool result_pending;
> + bool raw;
> + int rbuf[TWL4030_MADC_MAX_CHANNELS];
> +};
> +
> +enum conversion_methods {
> + TWL4030_MADC_RT,
> + TWL4030_MADC_SW1,
> + TWL4030_MADC_SW2,
> + TWL4030_MADC_NUM_METHODS
> +};
> +
> +enum sample_type {
> + TWL4030_MADC_WAIT,
> + TWL4030_MADC_IRQ_ONESHOT,
> + TWL4030_MADC_IRQ_REARM
> +};
> +
> /**
> * struct twl4030_madc_data - a container for madc info
> * @dev: Pointer to device structure for madc
> diff --git a/include/linux/i2c/twl4030-madc.h b/include/linux/i2c/twl4030-madc.h
> deleted file mode 100644
> index 34e94747b61e..000000000000
> --- a/include/linux/i2c/twl4030-madc.h
> +++ /dev/null
> @@ -1,137 +0,0 @@
> -/*
> - * twl4030_madc.h - Header for TWL4030 MADC
> - *
> - * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
> - * J Keerthy <j-keerthy@xxxxxx>
> - *
> - * This program is free software; you can redistribute it and/or
> - * modify it under the terms of the GNU General Public License
> - * version 2 as published by the Free Software Foundation.
> - *
> - * 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.
> - *
> - * You should have received a copy of the GNU General Public License
> - * along with this program; if not, write to the Free Software
> - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
> - * 02110-1301 USA
> - *
> - */
> -
> -#ifndef _TWL4030_MADC_H
> -#define _TWL4030_MADC_H
> -
> -struct twl4030_madc_conversion_method {
> - u8 sel;
> - u8 avg;
> - u8 rbase;
> - u8 ctrl;
> -};
> -
> -#define TWL4030_MADC_MAX_CHANNELS 16
> -
> -
> -/*
> - * twl4030_madc_request- madc request packet for channel conversion
> - * @channels: 16 bit bitmap for individual channels
> - * @do_avgP: sample the input channel for 4 consecutive cycles
> - * @method: RT, SW1, SW2
> - * @type: Polling or interrupt based method
> - * @raw: Return raw value, do not convert it
> - */
> -
> -struct twl4030_madc_request {
> - unsigned long channels;
> - bool do_avg;
> - u16 method;
> - u16 type;
> - bool active;
> - bool result_pending;
> - bool raw;
> - int rbuf[TWL4030_MADC_MAX_CHANNELS];
> -};
> -
> -enum conversion_methods {
> - TWL4030_MADC_RT,
> - TWL4030_MADC_SW1,
> - TWL4030_MADC_SW2,
> - TWL4030_MADC_NUM_METHODS
> -};
> -
> -enum sample_type {
> - TWL4030_MADC_WAIT,
> - TWL4030_MADC_IRQ_ONESHOT,
> - TWL4030_MADC_IRQ_REARM
> -};
> -
> -#define TWL4030_MADC_CTRL1 0x00
> -#define TWL4030_MADC_CTRL2 0x01
> -
> -#define TWL4030_MADC_RTSELECT_LSB 0x02
> -#define TWL4030_MADC_SW1SELECT_LSB 0x06
> -#define TWL4030_MADC_SW2SELECT_LSB 0x0A
> -
> -#define TWL4030_MADC_RTAVERAGE_LSB 0x04
> -#define TWL4030_MADC_SW1AVERAGE_LSB 0x08
> -#define TWL4030_MADC_SW2AVERAGE_LSB 0x0C
> -
> -#define TWL4030_MADC_CTRL_SW1 0x12
> -#define TWL4030_MADC_CTRL_SW2 0x13
> -
> -#define TWL4030_MADC_RTCH0_LSB 0x17
> -#define TWL4030_MADC_GPCH0_LSB 0x37
> -
> -#define TWL4030_MADC_MADCON (1 << 0) /* MADC power on */
> -#define TWL4030_MADC_BUSY (1 << 0) /* MADC busy */
> -/* MADC conversion completion */
> -#define TWL4030_MADC_EOC_SW (1 << 1)
> -/* MADC SWx start conversion */
> -#define TWL4030_MADC_SW_START (1 << 5)
> -#define TWL4030_MADC_ADCIN0 (1 << 0)
> -#define TWL4030_MADC_ADCIN1 (1 << 1)
> -#define TWL4030_MADC_ADCIN2 (1 << 2)
> -#define TWL4030_MADC_ADCIN3 (1 << 3)
> -#define TWL4030_MADC_ADCIN4 (1 << 4)
> -#define TWL4030_MADC_ADCIN5 (1 << 5)
> -#define TWL4030_MADC_ADCIN6 (1 << 6)
> -#define TWL4030_MADC_ADCIN7 (1 << 7)
> -#define TWL4030_MADC_ADCIN8 (1 << 8)
> -#define TWL4030_MADC_ADCIN9 (1 << 9)
> -#define TWL4030_MADC_ADCIN10 (1 << 10)
> -#define TWL4030_MADC_ADCIN11 (1 << 11)
> -#define TWL4030_MADC_ADCIN12 (1 << 12)
> -#define TWL4030_MADC_ADCIN13 (1 << 13)
> -#define TWL4030_MADC_ADCIN14 (1 << 14)
> -#define TWL4030_MADC_ADCIN15 (1 << 15)
> -
> -/* Fixed channels */
> -#define TWL4030_MADC_BTEMP TWL4030_MADC_ADCIN1
> -#define TWL4030_MADC_VBUS TWL4030_MADC_ADCIN8
> -#define TWL4030_MADC_VBKB TWL4030_MADC_ADCIN9
> -#define TWL4030_MADC_ICHG TWL4030_MADC_ADCIN10
> -#define TWL4030_MADC_VCHG TWL4030_MADC_ADCIN11
> -#define TWL4030_MADC_VBAT TWL4030_MADC_ADCIN12
> -
> -/* Step size and prescaler ratio */
> -#define TEMP_STEP_SIZE 147
> -#define TEMP_PSR_R 100
> -#define CURR_STEP_SIZE 147
> -#define CURR_PSR_R1 44
> -#define CURR_PSR_R2 88
> -
> -#define TWL4030_BCI_BCICTL1 0x23
> -#define TWL4030_BCI_CGAIN 0x020
> -#define TWL4030_BCI_MESBAT (1 << 1)
> -#define TWL4030_BCI_TYPEN (1 << 4)
> -#define TWL4030_BCI_ITHEN (1 << 3)
> -
> -#define REG_BCICTL2 0x024
> -#define TWL4030_BCI_ITHSENS 0x007
> -
> -/* Register and bits for GPBR1 register */
> -#define TWL4030_REG_GPBR1 0x0c
> -#define TWL4030_GPBR1_MADC_HFCLK_EN (1 << 7)
> -
> -#endif
>