FM / mfd

/usr/src/kernels/4.18.0-553.157.1.el8_10.x86_64/include/linux/mfd/

/usr/src/kernels/4.18.0-553.157.1.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
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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
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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
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lp87565.h	7862	0644	edit dl rm
lpc_ich.h	1261	0644	edit dl rm
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max8925.h	7350	0644	edit dl rm
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max77693-common.h	1303	0644	edit dl rm
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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
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twl.h	26189	0644	edit dl rm
twl4030-audio.h	8741	0644	edit dl rm
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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/4.18.0-553.157.1.el8_10.x86_64/include/linux/mfd/dln2.h (3617B)

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __LINUX_USB_DLN2_H
#define __LINUX_USB_DLN2_H

#define DLN2_CMD(cmd, id)		((cmd) | ((id) << 8))

struct dln2_platform_data {
	u16 handle;		/* sub-driver handle (internally used only) */
	u8 port;		/* I2C/SPI port */
};

/**
 * dln2_event_cb_t - event callback function signature
 *
 * @pdev - the sub-device that registered this callback
 * @echo - the echo header field received in the message
 * @data - the data payload
 * @len  - the data payload length
 *
 * The callback function is called in interrupt context and the data payload is
 * only valid during the call. If the user needs later access of the data, it
 * must copy it.
 */

typedef void (*dln2_event_cb_t)(struct platform_device *pdev, u16 echo,
				const void *data, int len);

/**
 * dl2n_register_event_cb - register a callback function for an event
 *
 * @pdev - the sub-device that registers the callback
 * @event - the event for which to register a callback
 * @event_cb - the callback function
 *
 * @return 0 in case of success, negative value in case of error
 */
int dln2_register_event_cb(struct platform_device *pdev, u16 event,
			   dln2_event_cb_t event_cb);

/**
 * dln2_unregister_event_cb - unregister the callback function for an event
 *
 * @pdev - the sub-device that registered the callback
 * @event - the event for which to register a callback
 */
void dln2_unregister_event_cb(struct platform_device *pdev, u16 event);

/**
 * dln2_transfer - issue a DLN2 command and wait for a response and the
 * associated data
 *
 * @pdev - the sub-device which is issuing this transfer
 * @cmd - the command to be sent to the device
 * @obuf - the buffer to be sent to the device; it can be NULL if the user
 *	doesn't need to transmit data with this command
 * @obuf_len - the size of the buffer to be sent to the device
 * @ibuf - any data associated with the response will be copied here; it can be
 *	NULL if the user doesn't need the response data
 * @ibuf_len - must be initialized to the input buffer size; it will be modified
 *	to indicate the actual data transferred;
 *
 * @return 0 for success, negative value for errors
 */
int dln2_transfer(struct platform_device *pdev, u16 cmd,
		  const void *obuf, unsigned obuf_len,
		  void *ibuf, unsigned *ibuf_len);

/**
 * dln2_transfer_rx - variant of @dln2_transfer() where TX buffer is not needed
 *
 * @pdev - the sub-device which is issuing this transfer
 * @cmd - the command to be sent to the device
 * @ibuf - any data associated with the response will be copied here; it can be
 *	NULL if the user doesn't need the response data
 * @ibuf_len - must be initialized to the input buffer size; it will be modified
 *	to indicate the actual data transferred;
 *
 * @return 0 for success, negative value for errors
 */

static inline int dln2_transfer_rx(struct platform_device *pdev, u16 cmd,
				   void *ibuf, unsigned *ibuf_len)
{
	return dln2_transfer(pdev, cmd, NULL, 0, ibuf, ibuf_len);
}

/**
 * dln2_transfer_tx - variant of @dln2_transfer() where RX buffer is not needed
 *
 * @pdev - the sub-device which is issuing this transfer
 * @cmd - the command to be sent to the device
 * @obuf - the buffer to be sent to the device; it can be NULL if the
 *	user doesn't need to transmit data with this command
 * @obuf_len - the size of the buffer to be sent to the device
 *
 * @return 0 for success, negative value for errors
 */
static inline int dln2_transfer_tx(struct platform_device *pdev, u16 cmd,
				   const void *obuf, unsigned obuf_len)
{
	return dln2_transfer(pdev, cmd, obuf, obuf_len, NULL, NULL);
}

#endif

cmd: