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__ */