projects / mirror_ubuntu-artful-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| f01312d8 LP |
1 | /* |
| 2 | * include/linux/mfd/viperboard.h | |
| 3 | * | |
| 4 | * Nano River Technologies viperboard definitions | |
| 5 | * | |
| 6 | * (C) 2012 by Lemonage GmbH | |
| 7 | * Author: Lars Poeschel <poeschel@lemonage.de> | |
| 8 | * All rights reserved. | |
| 9 | * | |
| 10 | * This program is free software; you can redistribute it and/or modify it | |
| 11 | * under the terms of the GNU General Public License as published by the | |
| 12 | * Free Software Foundation; either version 2 of the License, or (at your | |
| 13 | * option) any later version. | |
| 14 | * | |
| 15 | */ | |
| 16 | ||
| 17 | #ifndef __MFD_VIPERBOARD_H__ | |
| 18 | #define __MFD_VIPERBOARD_H__ | |
| 19 | ||
| 20 | #include <linux/types.h> | |
| 21 | #include <linux/usb.h> | |
| 22 | ||
| 23 | #define VPRBRD_EP_OUT 0x02 | |
| 24 | #define VPRBRD_EP_IN 0x86 | |
| 25 | ||
| 26 | #define VPRBRD_I2C_MSG_LEN 512 /* max length of a msg on USB level */ | |
| 27 | ||
| 28 | #define VPRBRD_I2C_FREQ_6MHZ 1 /* 6 MBit/s */ | |
| 29 | #define VPRBRD_I2C_FREQ_3MHZ 2 /* 3 MBit/s */ | |
| 30 | #define VPRBRD_I2C_FREQ_1MHZ 3 /* 1 MBit/s */ | |
| 31 | #define VPRBRD_I2C_FREQ_FAST 4 /* 400 kbit/s */ | |
| 32 | #define VPRBRD_I2C_FREQ_400KHZ VPRBRD_I2C_FREQ_FAST | |
| 33 | #define VPRBRD_I2C_FREQ_200KHZ 5 /* 200 kbit/s */ | |
| 34 | #define VPRBRD_I2C_FREQ_STD 6 /* 100 kbit/s */ | |
| 35 | #define VPRBRD_I2C_FREQ_100KHZ VPRBRD_I2C_FREQ_STD | |
| 36 | #define VPRBRD_I2C_FREQ_10KHZ 7 /* 10 kbit/s */ | |
| 37 | ||
| 38 | #define VPRBRD_I2C_CMD_WRITE 0x00 | |
| 39 | #define VPRBRD_I2C_CMD_READ 0x01 | |
| 40 | #define VPRBRD_I2C_CMD_ADDR 0x02 | |
| 41 | ||
| 42 | #define VPRBRD_USB_TYPE_OUT 0x40 | |
| 43 | #define VPRBRD_USB_TYPE_IN 0xc0 | |
| 44 | #define VPRBRD_USB_TIMEOUT_MS 100 | |
| 174a13aa LP |
45 | #define VPRBRD_USB_REQUEST_I2C_FREQ 0xe6 |
| 46 | #define VPRBRD_USB_REQUEST_I2C 0xe9 | |
| f01312d8 LP |
47 | #define VPRBRD_USB_REQUEST_MAJOR 0xea |
| 48 | #define VPRBRD_USB_REQUEST_MINOR 0xeb | |
| ffd8a6e7 | 49 | #define VPRBRD_USB_REQUEST_ADC 0xec |
| 9d5b72de LP |
50 | #define VPRBRD_USB_REQUEST_GPIOA 0xed |
| 51 | #define VPRBRD_USB_REQUEST_GPIOB 0xdd | |
| f01312d8 LP |
52 | |
| 53 | struct vprbrd_i2c_write_hdr { | |
| 54 | u8 cmd; | |
| 55 | u16 addr; | |
| 56 | u8 len1; | |
| 57 | u8 len2; | |
| 58 | u8 last; | |
| 59 | u8 chan; | |
| 60 | u16 spi; | |
| 61 | } __packed; | |
| 62 | ||
| 63 | struct vprbrd_i2c_read_hdr { | |
| 64 | u8 cmd; | |
| 65 | u16 addr; | |
| 66 | u8 len0; | |
| 67 | u8 len1; | |
| 68 | u8 len2; | |
| 69 | u8 len3; | |
| 70 | u8 len4; | |
| 71 | u8 len5; | |
| 72 | u16 tf1; /* transfer 1 length */ | |
| 73 | u16 tf2; /* transfer 2 length */ | |
| 74 | } __packed; | |
| 75 | ||
| 76 | struct vprbrd_i2c_status { | |
| 77 | u8 unknown[11]; | |
| 78 | u8 status; | |
| 79 | } __packed; | |
| 80 | ||
| 81 | struct vprbrd_i2c_write_msg { | |
| 82 | struct vprbrd_i2c_write_hdr header; | |
| 83 | u8 data[VPRBRD_I2C_MSG_LEN | |
| 84 | - sizeof(struct vprbrd_i2c_write_hdr)]; | |
| 85 | } __packed; | |
| 86 | ||
| 87 | struct vprbrd_i2c_read_msg { | |
| 88 | struct vprbrd_i2c_read_hdr header; | |
| 89 | u8 data[VPRBRD_I2C_MSG_LEN | |
| 90 | - sizeof(struct vprbrd_i2c_read_hdr)]; | |
| 91 | } __packed; | |
| 92 | ||
| 93 | struct vprbrd_i2c_addr_msg { | |
| 94 | u8 cmd; | |
| 95 | u8 addr; | |
| 96 | u8 unknown1; | |
| 97 | u16 len; | |
| 98 | u8 unknown2; | |
| 99 | u8 unknown3; | |
| 100 | } __packed; | |
| 101 | ||
| 102 | /* Structure to hold all device specific stuff */ | |
| 103 | struct vprbrd { | |
| 104 | struct usb_device *usb_dev; /* the usb device for this device */ | |
| 105 | struct mutex lock; | |
| 106 | u8 buf[sizeof(struct vprbrd_i2c_write_msg)]; | |
| 107 | struct platform_device pdev; | |
| 108 | }; | |
| 109 | ||
| 110 | #endif /* __MFD_VIPERBOARD_H__ */ |