xref: /openbmc/linux/drivers/staging/most/dim2/errors.h (revision 9e510b68)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * errors.h - Definitions of errors for DIM2 HAL API
4  * (MediaLB, Device Interface Macro IP, OS62420)
5  *
6  * Copyright (C) 2015, Microchip Technology Germany II GmbH & Co. KG
7  */
8 
9 #ifndef _MOST_DIM_ERRORS_H
10 #define _MOST_DIM_ERRORS_H
11 
12 /**
13  * MOST DIM errors.
14  */
15 enum dim_errors_t {
16 	/** Not an error */
17 	DIM_NO_ERROR = 0,
18 
19 	/** Bad base address for DIM2 IP */
20 	DIM_INIT_ERR_DIM_ADDR = 0x10,
21 
22 	/**< Bad MediaLB clock */
23 	DIM_INIT_ERR_MLB_CLOCK,
24 
25 	/** Bad channel address */
26 	DIM_INIT_ERR_CHANNEL_ADDRESS,
27 
28 	/** Out of DBR memory */
29 	DIM_INIT_ERR_OUT_OF_MEMORY,
30 
31 	/** DIM API is called while DIM is not initialized successfully */
32 	DIM_ERR_DRIVER_NOT_INITIALIZED = 0x20,
33 
34 	/**
35 	 * Configuration does not respect hardware limitations
36 	 * for isochronous or synchronous channels
37 	 */
38 	DIM_ERR_BAD_CONFIG,
39 
40 	/**
41 	 * Buffer size does not respect hardware limitations
42 	 * for isochronous or synchronous channels
43 	 */
44 	DIM_ERR_BAD_BUFFER_SIZE,
45 
46 	DIM_ERR_UNDERFLOW,
47 
48 	DIM_ERR_OVERFLOW,
49 };
50 
51 #endif /* _MOST_DIM_ERRORS_H */
52