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__ */ 105