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__ */