hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

greybus: greybus_desc.h created

This commit is contained in:
Greg Kroah-Hartman 2014-08-31 18:08:52 -07:00
parent b9b2a46265
commit 80ebe8a631
3 changed files with 105 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/staging/greybus/ap.c
View File

@ -17,9 +17,9 @@
#include <linux/kthread.h>
#include <linux/device.h>
#include "svc_msg.h"
#include "greybus_desc.h"
#include "greybus.h"
struct ap_msg {
u8 *data;
int size;

95
drivers/staging/greybus/greybus_desc.h Normal file
View File

@ -0,0 +1,95 @@
/*
* Greybus device descriptor definition
*
* Defined in the "Greybus Application Protocol" document.
* See that document for any details on these values and structures.
*
* Copyright 2014 Google Inc.
*/
#ifndef __GREYBUS_DESC_H
#define __GREYBUS_DESC_H
struct greybus_decriptor_block_header {
__le16 size;
u8 version_major;
u8 version_minor;
};
enum greybus_descriptor_type {
GREYBUS_TYPE_INVALID = 0x0000,
GREYBUS_TYPE_DEVICE_ID = 0x0001,
GREYBUS_TYPE_SERIAL_NUMBER = 0x0002,
GREYBUS_TYPE_DEVICE_STRING = 0x0003,
GREYBUS_TYPE_CPORT = 0x0004,
GREYBUS_TYPE_FUNCTION = 0x0005,
};
struct greybus_descriptor_header {
__le16 size;
__le16 type; /* enum greybus_descriptor_type */
};
struct greybus_descriptor_deviceid {
__le16 vendor;
__le16 product;
__le16 version;
u8 vendor_stringid;
u8 product_stringid;
};
struct greybus_descriptor_serial_number {
__le64 serial_number;
};
struct greybus_descriptor_string {
u8 id;
__le16 length;
u8 string[0];
};
struct greybus_descriptor_cport {
__le16 number;
u8 speed; // FIXME
u8 reserved;
};
enum greybus_function_class {
GREYBUS_FUNCTION_CONTROL = 0x00,
GREYBUS_FUNCTION_USB = 0x01,
GREYBUS_FUNCTION_GPIO = 0x02,
GREYBUS_FUNCTION_SPI = 0x03,
GREYBUS_FUNCTION_UART = 0x04,
GREYBUS_FUNCTION_PWM = 0x05,
GREYBUS_FUNCTION_I2S = 0x06,
GREYBUS_FUNCTION_I2C = 0x07,
GREYBUS_FUNCTION_SDIO = 0x08,
GREYBUS_FUNCTION_HID = 0x09,
GREYBUS_FUNCTION_DISPLAY = 0x0a,
GREYBUS_FUNCTION_CAMERA = 0x0b,
GREYBUS_FUNCTION_SENSOR = 0x0c,
GREYBUS_FUNCTION_VENDOR = 0xff,
};
struct greybus_descriptor_function {
__le16 number;
__le16 cport;
u8 function_class; /* enum greybus_function_class */
u8 function_subclass;
u8 function_protocol;
u8 reserved;
};
struct greybus_msg_descriptor {
struct greybus_descriptor_header header;
union {
struct greybus_descriptor_deviceid device_id;
struct greybus_descriptor_serial_number serial_number;
struct greybus_descriptor_string string;
struct greybus_descriptor_cport cport;
struct greybus_descriptor_function function;
};
};
#endif /* __GREYBUS_DESC_H */

15
drivers/staging/greybus/svc_msg.h
View File

@ -6,6 +6,10 @@
*
* Copyright 2014 Google Inc.
*/
#ifndef __SVC_MSG_H
#define __SVC_MSG_H
enum svc_function_type {
SVC_FUNCTION_HANDSHAKE = 0x00,
SVC_FUNCTION_UNIPRO_NETWORK_MANAGEMENT = 0x01,
@ -21,7 +25,7 @@ struct svc_msg_header {
u8 type; /* enum svc_function_type */
u8 version_major;
u8 version_minor;
u16 payload_length;
__le16 payload_length;
};
enum svc_function_handshake_type {
@ -81,7 +85,7 @@ struct svc_function_ddb_get {
struct svc_function_ddb_response {
u8 device_id;
u8 message_id;
u16 descriptor_length;
__le16 descriptor_length;
u8 ddb[0];
};
@ -107,8 +111,8 @@ enum svc_function_battery_status {
};
struct svc_function_power_battery_status {
u16 charge_full;
u16 charge_now;
__le16 charge_full;
__le16 charge_now;
u8 status; /* enum svc_function_battery_status */
};
@ -158,5 +162,4 @@ struct svc_msg {
};
};
#endif /* __SVC_MSG_H */