Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / net / ethernet / samsung / sxgbe / sxgbe_mtl.h
1 /* 10G controller driver for Samsung SoCs
2  *
3  * Copyright (C) 2013 Samsung Electronics Co., Ltd.
4  *              http://www.samsung.com
5  *
6  * Author: Siva Reddy Kallam <siva.kallam@samsung.com>
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License version 2 as
10  * published by the Free Software Foundation.
11  */
12 #ifndef __SXGBE_MTL_H__
13 #define __SXGBE_MTL_H__
14
15 #define SXGBE_MTL_OPMODE_ESTMASK        0x3
16 #define SXGBE_MTL_OPMODE_RAAMASK        0x1
17 #define SXGBE_MTL_FCMASK                0x7
18 #define SXGBE_MTL_TX_FIFO_DIV           256
19 #define SXGBE_MTL_RX_FIFO_DIV           256
20
21 #define SXGBE_MTL_RXQ_OP_FEP            BIT(4)
22 #define SXGBE_MTL_RXQ_OP_FUP            BIT(3)
23 #define SXGBE_MTL_ENABLE_FC             0x80
24
25 #define ETS_WRR                         0xFFFFFF9F
26 #define ETS_RST                         0xFFFFFF9F
27 #define ETS_WFQ                         0x00000020
28 #define ETS_DWRR                        0x00000040
29 #define RAA_SP                          0xFFFFFFFB
30 #define RAA_WSP                         0x00000004
31
32 #define RX_QUEUE_DYNAMIC                0x80808080
33 #define RX_FC_ACTIVE                    8
34 #define RX_FC_DEACTIVE                  13
35
36 enum ttc_control {
37         MTL_CONTROL_TTC_64 = 0x00000000,
38         MTL_CONTROL_TTC_96 = 0x00000020,
39         MTL_CONTROL_TTC_128 = 0x00000030,
40         MTL_CONTROL_TTC_192 = 0x00000040,
41         MTL_CONTROL_TTC_256 = 0x00000050,
42         MTL_CONTROL_TTC_384 = 0x00000060,
43         MTL_CONTROL_TTC_512 = 0x00000070,
44 };
45
46 enum rtc_control {
47         MTL_CONTROL_RTC_64 = 0x00000000,
48         MTL_CONTROL_RTC_96 = 0x00000002,
49         MTL_CONTROL_RTC_128 = 0x00000003,
50 };
51
52 enum flow_control_th {
53         MTL_FC_FULL_1K = 0x00000000,
54         MTL_FC_FULL_2K = 0x00000001,
55         MTL_FC_FULL_4K = 0x00000002,
56         MTL_FC_FULL_5K = 0x00000003,
57         MTL_FC_FULL_6K = 0x00000004,
58         MTL_FC_FULL_8K = 0x00000005,
59         MTL_FC_FULL_16K = 0x00000006,
60         MTL_FC_FULL_24K = 0x00000007,
61 };
62
63 struct sxgbe_mtl_ops {
64         void (*mtl_init)(void __iomem *ioaddr, unsigned int etsalg,
65                          unsigned int raa);
66
67         void (*mtl_set_txfifosize)(void __iomem *ioaddr, int queue_num,
68                                    int mtl_fifo);
69
70         void (*mtl_set_rxfifosize)(void __iomem *ioaddr, int queue_num,
71                                    int queue_fifo);
72
73         void (*mtl_enable_txqueue)(void __iomem *ioaddr, int queue_num);
74
75         void (*mtl_disable_txqueue)(void __iomem *ioaddr, int queue_num);
76
77         void (*set_tx_mtl_mode)(void __iomem *ioaddr, int queue_num,
78                                 int tx_mode);
79
80         void (*set_rx_mtl_mode)(void __iomem *ioaddr, int queue_num,
81                                 int rx_mode);
82
83         void (*mtl_dynamic_dma_rxqueue)(void __iomem *ioaddr);
84
85         void (*mtl_fc_active)(void __iomem *ioaddr, int queue_num,
86                               int threshold);
87
88         void (*mtl_fc_deactive)(void __iomem *ioaddr, int queue_num,
89                                 int threshold);
90
91         void (*mtl_fc_enable)(void __iomem *ioaddr, int queue_num);
92
93         void (*mtl_fep_enable)(void __iomem *ioaddr, int queue_num);
94
95         void (*mtl_fep_disable)(void __iomem *ioaddr, int queue_num);
96
97         void (*mtl_fup_enable)(void __iomem *ioaddr, int queue_num);
98
99         void (*mtl_fup_disable)(void __iomem *ioaddr, int queue_num);
100 };
101
102 const struct sxgbe_mtl_ops *sxgbe_get_mtl_ops(void);
103
104 #endif /* __SXGBE_MTL_H__ */