FM / mfd

/usr/src/linux-headers-5.15.0-190/include/linux/mfd/

/usr/src/linux-headers-5.15.0-190/include/linux/mfd

Name	Size	Mode	Actions
abx500/	-	0755	rm
arizona/	-	0755	rm
atc260x/	-	0755	rm
da9052/	-	0755	rm
da9055/	-	0755	rm
da9062/	-	0755	rm
da9063/	-	0755	rm
da9150/	-	0755	rm
madera/	-	0755	rm
mt6323/	-	0755	rm
mt6358/	-	0755	rm
mt6359/	-	0755	rm
mt6359p/	-	0755	rm
mt6397/	-	0755	rm
pcf50633/	-	0755	rm
samsung/	-	0755	rm
syscon/	-	0755	rm
wcd934x/	-	0755	rm
wm831x/	-	0755	rm
wm8350/	-	0755	rm
wm8994/	-	0755	rm
88pm80x.h	10080	0644	edit dl rm
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aat2870.h	4014	0644	edit dl rm
abx500.h	2401	0644	edit dl rm
ac100.h	6121	0644	edit dl rm
adp5520.h	8506	0644	edit dl rm
altera-a10sr.h	2955	0644	edit dl rm
altera-sysmgr.h	725	0644	edit dl rm
as3711.h	2808	0644	edit dl rm
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asic3.h	12368	0644	edit dl rm
atmel-hlcdc.h	2094	0644	edit dl rm
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bcm590xx.h	618	0644	edit dl rm
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core.h	4760	0644	edit dl rm
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da903x.h	7218	0644	edit dl rm
davinci_voicecodec.h	2658	0644	edit dl rm
db8500-prcmu.h	21842	0644	edit dl rm
dbx500-prcmu.h	14268	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
gsc.h	1818	0644	edit dl rm
hi655x-pmic.h	1934	0644	edit dl rm
hi6421-pmic.h	1184	0644	edit dl rm
hi6421-spmi-pmic.h	519	0644	edit dl rm
htc-pasic3.h	1225	0644	edit dl rm
idt8a340_reg.h	30024	0644	edit dl rm
idt82p33_reg.h	2938	0644	edit dl rm
imx25-tsadc.h	4972	0644	edit dl rm
ingenic-tcu.h	1753	0644	edit dl rm
intel-m10-bmc.h	4907	0644	edit dl rm
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intel_soc_pmic.h	1693	0644	edit dl rm
intel_soc_pmic_bxtwc.h	1641	0644	edit dl rm
intel_soc_pmic_mrfld.h	2288	0644	edit dl rm
ipaq-micro.h	3750	0644	edit dl rm
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lochnagar1_regs.h	7896	0644	edit dl rm
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lp87565.h	7588	0644	edit dl rm
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max77693-common.h	1088	0644	edit dl rm
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mc13xxx.h	7769	0644	edit dl rm
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mc13892.h	792	0644	edit dl rm
mcp.h	1647	0644	edit dl rm
menelaus.h	1284	0644	edit dl rm
motorola-cpcap.h	12651	0644	edit dl rm
mp2629.h	422	0644	edit dl rm
mxs-lradc.h	5736	0644	edit dl rm
ntxec.h	907	0644	edit dl rm
palmas.h	152382	0644	edit dl rm
qcom_rpm.h	293	0644	edit dl rm
rave-sp.h	1448	0644	edit dl rm
rc5t583.h	9501	0644	edit dl rm
rdc321x.h	591	0644	edit dl rm
retu.h	723	0644	edit dl rm
rk808.h	19885	0644	edit dl rm
rn5t618.h	7840	0644	edit dl rm
rohm-bd718x7.h	9038	0644	edit dl rm
rohm-bd957x.h	4362	0644	edit dl rm
rohm-bd70528.h	11082	0644	edit dl rm
rohm-bd71815.h	15608	0644	edit dl rm
rohm-bd71828.h	13084	0644	edit dl rm
rohm-generic.h	2825	0644	edit dl rm
rohm-shared.h	631	0644	edit dl rm
rsmu.h	897	0644	edit dl rm
rt5033-private.h	7927	0644	edit dl rm
rt5033.h	1098	0644	edit dl rm
sc27xx-pmic.h	228	0644	edit dl rm
si476x-core.h	15192	0644	edit dl rm
si476x-platform.h	6189	0644	edit dl rm
si476x-reports.h	4596	0644	edit dl rm
sky81452.h	354	0644	edit dl rm
sta2x11-mfd.h	18565	0644	edit dl rm
stm32-lptimer.h	2102	0644	edit dl rm
stm32-timers.h	5948	0644	edit dl rm
stmfx.h	4051	0644	edit dl rm
stmpe.h	4083	0644	edit dl rm
stpmic1.h	5750	0644	edit dl rm
stw481x.h	1422	0644	edit dl rm
sun4i-gpadc.h	3564	0644	edit dl rm
syscon.h	1871	0644	edit dl rm
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tc3589x.h	4123	0644	edit dl rm
tc6387xb.h	516	0644	edit dl rm
tc6393xb.h	1402	0644	edit dl rm
ti-lmu-register.h	5666	0644	edit dl rm
ti-lmu.h	1857	0644	edit dl rm
ti_am335x_tscadc.h	6028	0644	edit dl rm
tmio.h	3894	0644	edit dl rm
tps6105x.h	3079	0644	edit dl rm
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tps68470.h	3002	0644	edit dl rm
tps80031.h	20059	0644	edit dl rm
twl.h	25494	0644	edit dl rm
twl4030-audio.h	8129	0644	edit dl rm
twl6040.h	6716	0644	edit dl rm
ucb1x00.h	6559	0644	edit dl rm
viperboard.h	2802	0644	edit dl rm
wl1273-core.h	7887	0644	edit dl rm
wm97xx.h	369	0644	edit dl rm
wm8400-audio.h	70819	0644	edit dl rm
wm8400-private.h	58492	0644	edit dl rm
wm8400.h	561	0644	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-190/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: