OXIESEC PANEL

Name	Size	Modified	Perms
📁 ..	-	11/17/2022 06:42:23 AM	rwxr-xr-x
📄 88pm80x.h	9.99 KB	01/28/2018 09:20:33 PM	rw-r--r--
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📁 arizona	-	11/17/2022 06:42:23 AM	rwxr-xr-x
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📄 atmel-hlcdc.h	2.57 KB	01/28/2018 09:20:33 PM	rw-r--r--
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📄 bcm590xx.h	831 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 bd9571mwv.h	3.37 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 core.h	4.03 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 cros_ec.h	10.37 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 cros_ec_commands.h	84.45 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 cros_ec_lpc_mec.h	2.77 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 cros_ec_lpc_reg.h	1.9 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 da8xx-cfgchip.h	7.33 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 da903x.h	7.05 KB	01/28/2018 09:20:33 PM	rw-r--r--
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📄 davinci_voicecodec.h	3.25 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 db8500-prcmu.h	21.68 KB	01/28/2018 09:20:33 PM	rw-r--r--
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📄 dln2.h	3.53 KB	01/28/2018 09:20:33 PM	rw-r--r--
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📄 ds1wm.h	817 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 ezx-pcap.h	7.75 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 hi6421-pmic.h	1.3 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 hi655x-pmic.h	2.03 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 htc-pasic3.h	1.2 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 imx25-tsadc.h	4.86 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 intel_msic.h	15.99 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 intel_soc_pmic.h	1.17 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 intel_soc_pmic_bxtwc.h	2 KB	01/28/2018 09:20:33 PM	rw-r--r--
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📄 lp8788-isink.h	1.19 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 lp8788.h	8.84 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 lpc_ich.h	1.23 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 max14577-private.h	15.86 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 max14577.h	2.68 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 max77620.h	10.87 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 max77686-private.h	13.21 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 max77686.h	2.65 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 max77693-common.h	1.27 KB	01/28/2018 09:20:33 PM	rw-r--r--
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📄 max8997-private.h	12.43 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 max8997.h	6.04 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 max8998-private.h	5.01 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 max8998.h	3.56 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 mc13783.h	2.83 KB	01/28/2018 09:20:33 PM	rw-r--r--
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📄 mc13xxx.h	7.65 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 mcp.h	1.77 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 menelaus.h	1.25 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 motorola-cpcap.h	12.5 KB	01/28/2018 09:20:33 PM	rw-r--r--
📁 mt6323	-	11/17/2022 06:42:23 AM	rwxr-xr-x
📁 mt6397	-	11/17/2022 06:42:23 AM	rwxr-xr-x
📄 mxs-lradc.h	6.05 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 palmas.h	149.07 KB	11/01/2022 04:52:05 PM	rw-r--r--
📁 pcf50633	-	11/17/2022 06:42:23 AM	rwxr-xr-x
📄 qcom_rpm.h	293 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 rc5t583.h	9.82 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 rdc321x.h	591 bytes	01/28/2018 09:20:33 PM	rw-r--r--
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📄 rk808.h	12.51 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 rn5t618.h	7.34 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 rt5033-private.h	7.84 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 rt5033.h	1.21 KB	01/28/2018 09:20:33 PM	rw-r--r--
📁 samsung	-	11/17/2022 06:42:23 AM	rwxr-xr-x
📄 si476x-core.h	15.24 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 si476x-platform.h	6.45 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 si476x-reports.h	4.89 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 sky81452.h	990 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 smsc.h	2.85 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 sta2x11-mfd.h	18.72 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 stm32-lptimer.h	1.81 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 stm32-timers.h	3.07 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 stmpe.h	3.38 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 stw481x.h	1.41 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 sun4i-gpadc.h	3.62 KB	01/28/2018 09:20:33 PM	rw-r--r--
📁 syscon	-	11/17/2022 06:42:23 AM	rwxr-xr-x
📄 syscon.h	1.41 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 t7l66xb.h	771 bytes	11/01/2022 04:52:05 PM	rw-r--r--
📄 tc3589x.h	3.91 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 tc6387xb.h	516 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 tc6393xb.h	1.51 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 ti-lmu-register.h	7.43 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 ti-lmu.h	1.78 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 ti_am335x_tscadc.h	5.72 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 tmio.h	4.6 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 tps6105x.h	3.03 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 tps65010.h	6.53 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 tps6507x.h	4.94 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 tps65086.h	3.5 KB	01/28/2018 09:20:33 PM	rw-r--r--
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📄 tps6586x.h	2.71 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 tps65910.h	30.59 KB	01/28/2018 09:20:33 PM	rw-r--r--
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📄 tps80031.h	19.59 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 twl.h	25.58 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 twl4030-audio.h	8.54 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 twl6040.h	7.16 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 ucb1x00.h	6.57 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 viperboard.h	2.95 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 wl1273-core.h	8.3 KB	01/28/2018 09:20:33 PM	rw-r--r--
📁 wm831x	-	11/17/2022 06:42:23 AM	rwxr-xr-x
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📁 wm8994	-	11/17/2022 06:42:23 AM	rwxr-xr-x
📄 wm97xx.h	576 bytes	01/28/2018 09:20:33 PM	rw-r--r--

Editing: cros_ec.h

/*
 * ChromeOS EC multi-function device
 *
 * Copyright (C) 2012 Google, Inc
 *
 * This software is licensed under the terms of the GNU General Public
 * License version 2, as published by the Free Software Foundation, and
 * may be copied, distributed, and modified under those terms.
 *
 * 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.
 */

#ifndef __LINUX_MFD_CROS_EC_H
#define __LINUX_MFD_CROS_EC_H

#include <linux/cdev.h>
#include <linux/device.h>
#include <linux/notifier.h>
#include <linux/mfd/cros_ec_commands.h>
#include <linux/mutex.h>

#define CROS_EC_DEV_NAME "cros_ec"
#define CROS_EC_DEV_PD_NAME "cros_pd"

/*
 * The EC is unresponsive for a time after a reboot command.  Add a
 * simple delay to make sure that the bus stays locked.
 */
#define EC_REBOOT_DELAY_MS             50

/*
 * Max bus-specific overhead incurred by request/responses.
 * I2C requires 1 additional byte for requests.
 * I2C requires 2 additional bytes for responses.
 * SPI requires up to 32 additional bytes for responses.
 * */
#define EC_PROTO_VERSION_UNKNOWN	0
#define EC_MAX_REQUEST_OVERHEAD		1
#define EC_MAX_RESPONSE_OVERHEAD	32

/*
 * Command interface between EC and AP, for LPC, I2C and SPI interfaces.
 */
enum {
	EC_MSG_TX_HEADER_BYTES	= 3,
	EC_MSG_TX_TRAILER_BYTES	= 1,
	EC_MSG_TX_PROTO_BYTES	= EC_MSG_TX_HEADER_BYTES +
					EC_MSG_TX_TRAILER_BYTES,
	EC_MSG_RX_PROTO_BYTES	= 3,

/* Max length of messages for proto 2*/
	EC_PROTO2_MSG_BYTES		= EC_PROTO2_MAX_PARAM_SIZE +
					EC_MSG_TX_PROTO_BYTES,

EC_MAX_MSG_BYTES		= 64 * 1024,
};

/*
 * @version: Command version number (often 0)
 * @command: Command to send (EC_CMD_...)
 * @outsize: Outgoing length in bytes
 * @insize: Max number of bytes to accept from EC
 * @result: EC's response to the command (separate from communication failure)
 * @data: Where to put the incoming data from EC and outgoing data to EC
 */
struct cros_ec_command {
	uint32_t version;
	uint32_t command;
	uint32_t outsize;
	uint32_t insize;
	uint32_t result;
	uint8_t data[0];
};

/**
 * struct cros_ec_device - Information about a ChromeOS EC device
 *
 * @phys_name: name of physical comms layer (e.g. 'i2c-4')
 * @dev: Device pointer for physical comms device
 * @was_wake_device: true if this device was set to wake the system from
 * sleep at the last suspend
 * @cmd_readmem: direct read of the EC memory-mapped region, if supported
 *     @offset is within EC_LPC_ADDR_MEMMAP region.
 *     @bytes: number of bytes to read. zero means "read a string" (including
 *     the trailing '\0'). At most only EC_MEMMAP_SIZE bytes can be read.
 *     Caller must ensure that the buffer is large enough for the result when
 *     reading a string.
 *
 * @priv: Private data
 * @irq: Interrupt to use
 * @id: Device id
 * @din: input buffer (for data from EC)
 * @dout: output buffer (for data to EC)
 * \note
 * These two buffers will always be dword-aligned and include enough
 * space for up to 7 word-alignment bytes also, so we can ensure that
 * the body of the message is always dword-aligned (64-bit).
 * We use this alignment to keep ARM and x86 happy. Probably word
 * alignment would be OK, there might be a small performance advantage
 * to using dword.
 * @din_size: size of din buffer to allocate (zero to use static din)
 * @dout_size: size of dout buffer to allocate (zero to use static dout)
 * @wake_enabled: true if this device can wake the system from sleep
 * @suspended: true if this device had been suspended
 * @cmd_xfer: send command to EC and get response
 *     Returns the number of bytes received if the communication succeeded, but
 *     that doesn't mean the EC was happy with the command. The caller
 *     should check msg.result for the EC's result code.
 * @pkt_xfer: send packet to EC and get response
 * @lock: one transaction at a time
 * @mkbp_event_supported: true if this EC supports the MKBP event protocol.
 * @event_notifier: interrupt event notifier for transport devices.
 * @event_data: raw payload transferred with the MKBP event.
 * @event_size: size in bytes of the event data.
 */
struct cros_ec_device {

/* These are used by other drivers that want to talk to the EC */
	const char *phys_name;
	struct device *dev;
	bool was_wake_device;
	struct class *cros_class;
	int (*cmd_readmem)(struct cros_ec_device *ec, unsigned int offset,
			   unsigned int bytes, void *dest);

/* These are used to implement the platform-specific interface */
	u16 max_request;
	u16 max_response;
	u16 max_passthru;
	u16 proto_version;
	void *priv;
	int irq;
	u8 *din;
	u8 *dout;
	int din_size;
	int dout_size;
	bool wake_enabled;
	bool suspended;
	int (*cmd_xfer)(struct cros_ec_device *ec,
			struct cros_ec_command *msg);
	int (*pkt_xfer)(struct cros_ec_device *ec,
			struct cros_ec_command *msg);
	struct mutex lock;
	bool mkbp_event_supported;
	struct blocking_notifier_head event_notifier;

struct ec_response_get_next_event event_data;
	int event_size;
	u32 host_event_wake_mask;
};

/**
 * struct cros_ec_sensor_platform - ChromeOS EC sensor platform information
 *
 * @sensor_num: Id of the sensor, as reported by the EC.
 */
struct cros_ec_sensor_platform {
	u8 sensor_num;
};

/* struct cros_ec_platform - ChromeOS EC platform information
 *
 * @ec_name: name of EC device (e.g. 'cros-ec', 'cros-pd', ...)
 * used in /dev/ and sysfs.
 * @cmd_offset: offset to apply for each command. Set when
 * registering a devicde behind another one.
 */
struct cros_ec_platform {
	const char *ec_name;
	u16 cmd_offset;
};

struct cros_ec_debugfs;

/*
 * struct cros_ec_dev - ChromeOS EC device entry point
 *
 * @class_dev: Device structure used in sysfs
 * @cdev: Character device structure in /dev
 * @ec_dev: cros_ec_device structure to talk to the physical device
 * @dev: pointer to the platform device
 * @debug_info: cros_ec_debugfs structure for debugging information
 * @cmd_offset: offset to apply for each command.
 */
struct cros_ec_dev {
	struct device class_dev;
	struct cdev cdev;
	struct cros_ec_device *ec_dev;
	struct device *dev;
	struct cros_ec_debugfs *debug_info;
	u16 cmd_offset;
	u32 features[2];
};

/**
 * cros_ec_suspend - Handle a suspend operation for the ChromeOS EC device
 *
 * This can be called by drivers to handle a suspend event.
 *
 * ec_dev: Device to suspend
 * @return 0 if ok, -ve on error
 */
int cros_ec_suspend(struct cros_ec_device *ec_dev);

/**
 * cros_ec_resume - Handle a resume operation for the ChromeOS EC device
 *
 * This can be called by drivers to handle a resume event.
 *
 * @ec_dev: Device to resume
 * @return 0 if ok, -ve on error
 */
int cros_ec_resume(struct cros_ec_device *ec_dev);

/**
 * cros_ec_prepare_tx - Prepare an outgoing message in the output buffer
 *
 * This is intended to be used by all ChromeOS EC drivers, but at present
 * only SPI uses it. Once LPC uses the same protocol it can start using it.
 * I2C could use it now, with a refactor of the existing code.
 *
 * @ec_dev: Device to register
 * @msg: Message to write
 */
int cros_ec_prepare_tx(struct cros_ec_device *ec_dev,
		       struct cros_ec_command *msg);

/**
 * cros_ec_check_result - Check ec_msg->result
 *
 * This is used by ChromeOS EC drivers to check the ec_msg->result for
 * errors and to warn about them.
 *
 * @ec_dev: EC device
 * @msg: Message to check
 */
int cros_ec_check_result(struct cros_ec_device *ec_dev,
			 struct cros_ec_command *msg);

/**
 * cros_ec_cmd_xfer - Send a command to the ChromeOS EC
 *
 * Call this to send a command to the ChromeOS EC.  This should be used
 * instead of calling the EC's cmd_xfer() callback directly.
 *
 * @ec_dev: EC device
 * @msg: Message to write
 */
int cros_ec_cmd_xfer(struct cros_ec_device *ec_dev,
		     struct cros_ec_command *msg);

/**
 * cros_ec_cmd_xfer_status - Send a command to the ChromeOS EC
 *
 * This function is identical to cros_ec_cmd_xfer, except it returns success
 * status only if both the command was transmitted successfully and the EC
 * replied with success status. It's not necessary to check msg->result when
 * using this function.
 *
 * @ec_dev: EC device
 * @msg: Message to write
 * @return: Num. of bytes transferred on success, <0 on failure
 */
int cros_ec_cmd_xfer_status(struct cros_ec_device *ec_dev,
			    struct cros_ec_command *msg);

/**
 * cros_ec_remove - Remove a ChromeOS EC
 *
 * Call this to deregister a ChromeOS EC, then clean up any private data.
 *
 * @ec_dev: Device to register
 * @return 0 if ok, -ve on error
 */
int cros_ec_remove(struct cros_ec_device *ec_dev);

/**
 * cros_ec_register - Register a new ChromeOS EC, using the provided info
 *
 * Before calling this, allocate a pointer to a new device and then fill
 * in all the fields up to the --private-- marker.
 *
 * @ec_dev: Device to register
 * @return 0 if ok, -ve on error
 */
int cros_ec_register(struct cros_ec_device *ec_dev);

/**
 * cros_ec_query_all -  Query the protocol version supported by the ChromeOS EC
 *
 * @ec_dev: Device to register
 * @return 0 if ok, -ve on error
 */
int cros_ec_query_all(struct cros_ec_device *ec_dev);

/**
 * cros_ec_get_next_event -  Fetch next event from the ChromeOS EC
 *
 * @ec_dev: Device to fetch event from
 * @wake_event: Pointer to a bool set to true upon return if the event might be
 *              treated as a wake event. Ignored if null.
 *
 * Returns: 0 on success, Linux error number on failure
 */
int cros_ec_get_next_event(struct cros_ec_device *ec_dev, bool *wake_event);

/**
 * cros_ec_get_host_event - Return a mask of event set by the EC.
 *
 * When MKBP is supported, when the EC raises an interrupt,
 * We collect the events raised and call the functions in the ec notifier.
 *
 * This function is a helper to know which events are raised.
 */
u32 cros_ec_get_host_event(struct cros_ec_device *ec_dev);

/* sysfs stuff */
extern struct attribute_group cros_ec_attr_group;
extern struct attribute_group cros_ec_lightbar_attr_group;
extern struct attribute_group cros_ec_vbc_attr_group;

/* ACPI GPE handler */
#ifdef CONFIG_ACPI

int cros_ec_acpi_install_gpe_handler(struct device *dev);
void cros_ec_acpi_remove_gpe_handler(void);
void cros_ec_acpi_clear_gpe(void);

#else /* CONFIG_ACPI */

static inline int cros_ec_acpi_install_gpe_handler(struct device *dev)
{
	return -ENODEV;
}
static inline void cros_ec_acpi_remove_gpe_handler(void) {}
static inline void cros_ec_acpi_clear_gpe(void) {}

#endif /* CONFIG_ACPI */

#endif /* __LINUX_MFD_CROS_EC_H */