1 | /* |
2 | * This file is part of the Chelsio T4 Ethernet driver for Linux. |
3 | * |
4 | * Copyright (c) 2003-2015 Chelsio Communications, Inc. All rights reserved. |
5 | * |
6 | * This software is available to you under a choice of one of two |
7 | * licenses. You may choose to be licensed under the terms of the GNU |
8 | * General Public License (GPL) Version 2, available from the file |
9 | * COPYING in the main directory of this source tree, or the |
10 | * OpenIB.org BSD license below: |
11 | * |
12 | * Redistribution and use in source and binary forms, with or |
13 | * without modification, are permitted provided that the following |
14 | * conditions are met: |
15 | * |
16 | * - Redistributions of source code must retain the above |
17 | * copyright notice, this list of conditions and the following |
18 | * disclaimer. |
19 | * |
20 | * - Redistributions in binary form must reproduce the above |
21 | * copyright notice, this list of conditions and the following |
22 | * disclaimer in the documentation and/or other materials |
23 | * provided with the distribution. |
24 | * |
25 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
26 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
27 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
28 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
29 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
30 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
31 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
32 | * SOFTWARE. |
33 | */ |
34 | #ifndef __T4_CHIP_TYPE_H__ |
35 | #define __T4_CHIP_TYPE_H__ |
36 | |
37 | #define CHELSIO_PCI_ID_VER(__DeviceID) ((__DeviceID) >> 12) |
38 | |
39 | #define CHELSIO_T4 0x4 |
40 | #define CHELSIO_T5 0x5 |
41 | #define CHELSIO_T6 0x6 |
42 | |
43 | /* We code the Chelsio T4 Family "Chip Code" as a tuple: |
44 | * |
45 | * (Chip Version, Chip Revision) |
46 | * |
47 | * where: |
48 | * |
49 | * Chip Version: is T4, T5, etc. |
50 | * Chip Revision: is the FAB "spin" of the Chip Version. |
51 | */ |
52 | #define CHELSIO_CHIP_CODE(version, revision) (((version) << 4) | (revision)) |
53 | #define CHELSIO_CHIP_VERSION(code) (((code) >> 4) & 0xf) |
54 | #define CHELSIO_CHIP_RELEASE(code) ((code) & 0xf) |
55 | |
56 | enum chip_type { |
57 | T4_A1 = CHELSIO_CHIP_CODE(CHELSIO_T4, 1), |
58 | T4_A2 = CHELSIO_CHIP_CODE(CHELSIO_T4, 2), |
59 | T4_FIRST_REV = T4_A1, |
60 | T4_LAST_REV = T4_A2, |
61 | |
62 | T5_A0 = CHELSIO_CHIP_CODE(CHELSIO_T5, 0), |
63 | T5_A1 = CHELSIO_CHIP_CODE(CHELSIO_T5, 1), |
64 | T5_FIRST_REV = T5_A0, |
65 | T5_LAST_REV = T5_A1, |
66 | |
67 | T6_A0 = CHELSIO_CHIP_CODE(CHELSIO_T6, 0), |
68 | T6_FIRST_REV = T6_A0, |
69 | T6_LAST_REV = T6_A0, |
70 | }; |
71 | |
72 | static inline int is_t4(enum chip_type chip) |
73 | { |
74 | return (CHELSIO_CHIP_VERSION(chip) == CHELSIO_T4); |
75 | } |
76 | |
77 | static inline int is_t5(enum chip_type chip) |
78 | { |
79 | return (CHELSIO_CHIP_VERSION(chip) == CHELSIO_T5); |
80 | } |
81 | |
82 | static inline int is_t6(enum chip_type chip) |
83 | { |
84 | return (CHELSIO_CHIP_VERSION(chip) == CHELSIO_T6); |
85 | } |
86 | |
87 | #endif /* __T4_CHIP_TYPE_H__ */ |
88 | |