drivers/net/ethernet/samsung/sxgbe/sxgbe_mtl.h

   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
  33 enum 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
  43 enum rtc_control {
  44         MTL_CONTROL_RTC_64 = 0x00000000,
  45         MTL_CONTROL_RTC_96 = 0x00000002,
  46         MTL_CONTROL_RTC_128 = 0x00000003,
  47 };
  48
  49 enum 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
  60 struct 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
  99 const struct sxgbe_mtl_ops *sxgbe_get_mtl_ops(void);
 100
 101 #endif /* __SXGBE_MTL_H__ */