FM / mfd

/usr/src/kernels/4.18.0-553.121.1.el8_10.x86_64/include/linux/mfd/

/usr/src/kernels/4.18.0-553.121.1.el8_10.x86_64/include/linux/mfd

Name	Size	Mode	Actions
abx500/	-	0755	rm
arizona/	-	0755	rm
da9052/	-	0755	rm
da9055/	-	0755	rm
da9062/	-	0755	rm
da9063/	-	0755	rm
da9150/	-	0755	rm
mt6323/	-	0755	rm
mt6397/	-	0755	rm
pcf50633/	-	0755	rm
samsung/	-	0755	rm
syscon/	-	0755	rm
wm831x/	-	0755	rm
wm8350/	-	0755	rm
wm8994/	-	0755	rm
88pm80x.h	10226	0644	edit dl rm
88pm860x.h	13654	0644	edit dl rm
aat2870.h	4651	0644	edit dl rm
ab3100.h	4262	0644	edit dl rm
abx500.h	11980	0644	edit dl rm
ac100.h	6267	0644	edit dl rm
adp5520.h	8499	0644	edit dl rm
altera-a10sr.h	3507	0644	edit dl rm
as3711.h	2960	0644	edit dl rm
as3722.h	15477	0644	edit dl rm
asic3.h	12514	0644	edit dl rm
atmel-hlcdc.h	2634	0644	edit dl rm
axp20x.h	17214	0644	edit dl rm
bcm590xx.h	831	0644	edit dl rm
bd9571mwv.h	3712	0644	edit dl rm
core.h	4794	0644	edit dl rm
cros_ec.h	10595	0644	edit dl rm
cros_ec_commands.h	87508	0644	edit dl rm
cros_ec_lpc_mec.h	2838	0644	edit dl rm
cros_ec_lpc_reg.h	1949	0644	edit dl rm
da8xx-cfgchip.h	7501	0644	edit dl rm
da903x.h	7218	0644	edit dl rm
davinci_voicecodec.h	3323	0644	edit dl rm
db8500-prcmu.h	22205	0644	edit dl rm
dbx500-prcmu.h	14681	0644	edit dl rm
dln2.h	3617	0644	edit dl rm
dm355evm_msp.h	2879	0644	edit dl rm
ds1wm.h	817	0644	edit dl rm
ezx-pcap.h	7932	0644	edit dl rm
hi655x-pmic.h	2076	0644	edit dl rm
hi6421-pmic.h	1329	0644	edit dl rm
htc-pasic3.h	1225	0644	edit dl rm
imx25-tsadc.h	4972	0644	edit dl rm
intel_msic.h	16376	0644	edit dl rm
intel_soc_pmic.h	1265	0644	edit dl rm
intel_soc_pmic_bxtwc.h	2053	0644	edit dl rm
ipaq-micro.h	3750	0644	edit dl rm
janz.h	1053	0644	edit dl rm
kempld.h	4260	0644	edit dl rm
lm3533.h	2650	0644	edit dl rm
lochnagar.h	1624	0644	edit dl rm
lochnagar1_regs.h	7896	0644	edit dl rm
lochnagar2_regs.h	15550	0644	edit dl rm
lp873x.h	8895	0644	edit dl rm
lp3943.h	2747	0644	edit dl rm
lp8788-isink.h	1218	0644	edit dl rm
lp8788.h	8573	0644	edit dl rm
lp87565.h	7862	0644	edit dl rm
lpc_ich.h	1261	0644	edit dl rm
max8907.h	7701	0644	edit dl rm
max8925.h	7350	0644	edit dl rm
max8997-private.h	12733	0644	edit dl rm
max8997.h	6202	0644	edit dl rm
max8998-private.h	5126	0644	edit dl rm
max8998.h	3641	0644	edit dl rm
max14577-private.h	16240	0644	edit dl rm
max14577.h	2745	0644	edit dl rm
max77620.h	11134	0644	edit dl rm
max77686-private.h	13526	0644	edit dl rm
max77686.h	2709	0644	edit dl rm
max77693-common.h	1303	0644	edit dl rm
max77693-private.h	18384	0644	edit dl rm
max77693.h	2295	0644	edit dl rm
max77843-private.h	15804	0644	edit dl rm
mc13xxx.h	7872	0644	edit dl rm
mc13783.h	2902	0644	edit dl rm
mc13892.h	938	0644	edit dl rm
mcp.h	1816	0644	edit dl rm
menelaus.h	1284	0644	edit dl rm
motorola-cpcap.h	12797	0644	edit dl rm
mxs-lradc.h	6191	0644	edit dl rm
palmas.h	152645	0644	edit dl rm
qcom_rpm.h	293	0644	edit dl rm
rave-sp.h	1414	0644	edit dl rm
rc5t583.h	10056	0644	edit dl rm
rdc321x.h	591	0644	edit dl rm
retu.h	723	0644	edit dl rm
rk808.h	12807	0644	edit dl rm
rn5t618.h	7519	0644	edit dl rm
rt5033-private.h	8026	0644	edit dl rm
rt5033.h	1243	0644	edit dl rm
si476x-core.h	15606	0644	edit dl rm
si476x-platform.h	6603	0644	edit dl rm
si476x-reports.h	5010	0644	edit dl rm
sky81452.h	990	0644	edit dl rm
smsc.h	2921	0644	edit dl rm
sta2x11-mfd.h	19169	0644	edit dl rm
stm32-lptimer.h	1817	0644	edit dl rm
stm32-timers.h	5784	0644	edit dl rm
stmpe.h	3466	0644	edit dl rm
stw481x.h	1442	0644	edit dl rm
sun4i-gpadc.h	3710	0644	edit dl rm
syscon.h	1443	0644	edit dl rm
t7l66xb.h	817	0644	edit dl rm
tc3589x.h	3999	0644	edit dl rm
tc6387xb.h	516	0644	edit dl rm
tc6393xb.h	1548	0644	edit dl rm
ti-lmu-register.h	7613	0644	edit dl rm
ti-lmu.h	1822	0644	edit dl rm
ti_am335x_tscadc.h	5861	0644	edit dl rm
tmio.h	4098	0644	edit dl rm
tps6105x.h	3099	0644	edit dl rm
tps6507x.h	5055	0644	edit dl rm
tps6586x.h	2802	0644	edit dl rm
tps65010.h	6685	0644	edit dl rm
tps65086.h	3580	0644	edit dl rm
tps65090.h	4491	0644	edit dl rm
tps65217.h	8435	0644	edit dl rm
tps65218.h	8033	0644	edit dl rm
tps65910.h	31325	0644	edit dl rm
tps65912.h	10144	0644	edit dl rm
tps68470.h	3002	0644	edit dl rm
tps80031.h	20059	0644	edit dl rm
twl.h	26189	0644	edit dl rm
twl4030-audio.h	8741	0644	edit dl rm
twl6040.h	7328	0644	edit dl rm
ucb1x00.h	6728	0644	edit dl rm
viperboard.h	3022	0644	edit dl rm
wl1273-core.h	8496	0644	edit dl rm
wm97xx.h	576	0644	edit dl rm
wm8400-audio.h	71471	0644	edit dl rm
wm8400-private.h	59376	0644	edit dl rm
wm8400.h	1213	0644	edit dl rm

Edit: /usr/src/kernels/4.18.0-553.121.1.el8_10.x86_64/include/linux/mfd/viperboard.h (3022B)

/*
 *  include/linux/mfd/viperboard.h
 *
 *  Nano River Technologies viperboard definitions
 *
 *  (C) 2012 by Lemonage GmbH
 *  Author: Lars Poeschel <poeschel@lemonage.de>
 *  All rights reserved.
 *
 *  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;  either version 2 of the  License, or (at your
 *  option) any later version.
 *
 */

#ifndef __MFD_VIPERBOARD_H__
#define __MFD_VIPERBOARD_H__

#include <linux/types.h>
#include <linux/usb.h>

#define VPRBRD_EP_OUT               0x02
#define VPRBRD_EP_IN                0x86

#define VPRBRD_I2C_MSG_LEN          512 /* max length of a msg on USB level */

#define VPRBRD_I2C_FREQ_6MHZ        1                        /*   6 MBit/s */
#define VPRBRD_I2C_FREQ_3MHZ        2                        /*   3 MBit/s */
#define VPRBRD_I2C_FREQ_1MHZ        3                        /*   1 MBit/s */
#define VPRBRD_I2C_FREQ_FAST        4                        /* 400 kbit/s */
#define VPRBRD_I2C_FREQ_400KHZ      VPRBRD_I2C_FREQ_FAST
#define VPRBRD_I2C_FREQ_200KHZ      5                        /* 200 kbit/s */
#define VPRBRD_I2C_FREQ_STD         6                        /* 100 kbit/s */
#define VPRBRD_I2C_FREQ_100KHZ      VPRBRD_I2C_FREQ_STD
#define VPRBRD_I2C_FREQ_10KHZ       7                        /*  10 kbit/s */

#define VPRBRD_I2C_CMD_WRITE        0x00
#define VPRBRD_I2C_CMD_READ         0x01
#define VPRBRD_I2C_CMD_ADDR         0x02

#define VPRBRD_USB_TYPE_OUT	    0x40
#define VPRBRD_USB_TYPE_IN	    0xc0
#define VPRBRD_USB_TIMEOUT_MS       100
#define VPRBRD_USB_REQUEST_I2C_FREQ 0xe6
#define VPRBRD_USB_REQUEST_I2C      0xe9
#define VPRBRD_USB_REQUEST_MAJOR    0xea
#define VPRBRD_USB_REQUEST_MINOR    0xeb
#define VPRBRD_USB_REQUEST_ADC      0xec
#define VPRBRD_USB_REQUEST_GPIOA    0xed
#define VPRBRD_USB_REQUEST_GPIOB    0xdd

struct vprbrd_i2c_write_hdr {
	u8 cmd;
	u16 addr;
	u8 len1;
	u8 len2;
	u8 last;
	u8 chan;
	u16 spi;
} __packed;

struct vprbrd_i2c_read_hdr {
	u8 cmd;
	u16 addr;
	u8 len0;
	u8 len1;
	u8 len2;
	u8 len3;
	u8 len4;
	u8 len5;
	u16 tf1;                        /* transfer 1 length */
	u16 tf2;                        /* transfer 2 length */
} __packed;

struct vprbrd_i2c_status {
	u8 unknown[11];
	u8 status;
} __packed;

struct vprbrd_i2c_write_msg {
	struct vprbrd_i2c_write_hdr header;
	u8 data[VPRBRD_I2C_MSG_LEN
		- sizeof(struct vprbrd_i2c_write_hdr)];
} __packed;

struct vprbrd_i2c_read_msg {
	struct vprbrd_i2c_read_hdr header;
	u8 data[VPRBRD_I2C_MSG_LEN
		- sizeof(struct vprbrd_i2c_read_hdr)];
} __packed;

struct vprbrd_i2c_addr_msg {
	u8 cmd;
	u8 addr;
	u8 unknown1;
	u16 len;
	u8 unknown2;
	u8 unknown3;
} __packed;

/* Structure to hold all device specific stuff */
struct vprbrd {
	struct usb_device *usb_dev; /* the usb device for this device */
	struct mutex lock;
	u8 buf[sizeof(struct vprbrd_i2c_write_msg)];
	struct platform_device pdev;
};

#endif /* __MFD_VIPERBOARD_H__ */

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