1/* SPDX-License-Identifier: GPL-2.0-only */
2/* 10G controller driver for Samsung SoCs
3 *
4 * Copyright (C) 2013 Samsung Electronics Co., Ltd.
5 * http://www.samsung.com
6 *
7 * Author: Siva Reddy Kallam <siva.kallam@samsung.com>
8 */
9#ifndef __SXGBE_MTL_H__
10#define __SXGBE_MTL_H__
11
12#define SXGBE_MTL_OPMODE_ESTMASK 0x3
13#define SXGBE_MTL_OPMODE_RAAMASK 0x1
14#define SXGBE_MTL_FCMASK 0x7
15#define SXGBE_MTL_TX_FIFO_DIV 256
16#define SXGBE_MTL_RX_FIFO_DIV 256
17
18#define SXGBE_MTL_RXQ_OP_FEP BIT(4)
19#define SXGBE_MTL_RXQ_OP_FUP BIT(3)
20#define SXGBE_MTL_ENABLE_FC 0x80
21
22#define ETS_WRR 0xFFFFFF9F
23#define ETS_RST 0xFFFFFF9F
24#define ETS_WFQ 0x00000020
25#define ETS_DWRR 0x00000040
26#define RAA_SP 0xFFFFFFFB
27#define RAA_WSP 0x00000004
28
29#define RX_QUEUE_DYNAMIC 0x80808080
30#define RX_FC_ACTIVE 8
31#define RX_FC_DEACTIVE 13
32
33enum ttc_control {
34 MTL_CONTROL_TTC_64 = 0x00000000,
35 MTL_CONTROL_TTC_96 = 0x00000020,
36 MTL_CONTROL_TTC_128 = 0x00000030,
37 MTL_CONTROL_TTC_192 = 0x00000040,
38 MTL_CONTROL_TTC_256 = 0x00000050,
39 MTL_CONTROL_TTC_384 = 0x00000060,
40 MTL_CONTROL_TTC_512 = 0x00000070,
41};
42
43enum rtc_control {
44 MTL_CONTROL_RTC_64 = 0x00000000,
45 MTL_CONTROL_RTC_96 = 0x00000002,
46 MTL_CONTROL_RTC_128 = 0x00000003,
47};
48
49enum flow_control_th {
50 MTL_FC_FULL_1K = 0x00000000,
51 MTL_FC_FULL_2K = 0x00000001,
52 MTL_FC_FULL_4K = 0x00000002,
53 MTL_FC_FULL_5K = 0x00000003,
54 MTL_FC_FULL_6K = 0x00000004,
55 MTL_FC_FULL_8K = 0x00000005,
56 MTL_FC_FULL_16K = 0x00000006,
57 MTL_FC_FULL_24K = 0x00000007,
58};
59
60struct sxgbe_mtl_ops {
61 void (*mtl_init)(void __iomem *ioaddr, unsigned int etsalg,
62 unsigned int raa);
63
64 void (*mtl_set_txfifosize)(void __iomem *ioaddr, int queue_num,
65 int mtl_fifo);
66
67 void (*mtl_set_rxfifosize)(void __iomem *ioaddr, int queue_num,
68 int queue_fifo);
69
70 void (*mtl_enable_txqueue)(void __iomem *ioaddr, int queue_num);
71
72 void (*mtl_disable_txqueue)(void __iomem *ioaddr, int queue_num);
73
74 void (*set_tx_mtl_mode)(void __iomem *ioaddr, int queue_num,
75 int tx_mode);
76
77 void (*set_rx_mtl_mode)(void __iomem *ioaddr, int queue_num,
78 int rx_mode);
79
80 void (*mtl_dynamic_dma_rxqueue)(void __iomem *ioaddr);
81
82 void (*mtl_fc_active)(void __iomem *ioaddr, int queue_num,
83 int threshold);
84
85 void (*mtl_fc_deactive)(void __iomem *ioaddr, int queue_num,
86 int threshold);
87
88 void (*mtl_fc_enable)(void __iomem *ioaddr, int queue_num);
89
90 void (*mtl_fep_enable)(void __iomem *ioaddr, int queue_num);
91
92 void (*mtl_fep_disable)(void __iomem *ioaddr, int queue_num);
93
94 void (*mtl_fup_enable)(void __iomem *ioaddr, int queue_num);
95
96 void (*mtl_fup_disable)(void __iomem *ioaddr, int queue_num);
97};
98
99const struct sxgbe_mtl_ops *sxgbe_get_mtl_ops(void);
100
101#endif /* __SXGBE_MTL_H__ */
102

source code of linux/drivers/net/ethernet/samsung/sxgbe/sxgbe_mtl.h