/* * 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__ */Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Lars Poeschel | 302 | 100.00% | 4 | 100.00% |
| Total | 302 | 100.00% | 4 | 100.00% |