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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106/* SPDX-License-Identifier: GPL-2.0-or-later *//* * include/linux/mfd/viperboard.h * * Nano River Technologies viperboard definitions * * (C) 2012 by Lemonage GmbH * Author: Lars Poeschel <poeschel@lemonage.de> * All rights reserved. */
#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; __le16 addr; u8 len1; u8 len2; u8 last; u8 chan; u16 spi;} __packed;
struct vprbrd_i2c_read_hdr { u8 cmd; __le16 addr; u8 len0; u8 len1; u8 len2; u8 len3; u8 len4; u8 len5; __le16 tf1; /* transfer 1 length */ __le16 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; __le16 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__ */