1 /******************************************************************************* 2 Copyright (C) 2007-2009 STMicroelectronics Ltd 3 4 This program is free software; you can redistribute it and/or modify it 5 under the terms and conditions of the GNU General Public License, 6 version 2, as published by the Free Software Foundation. 7 8 This program is distributed in the hope it will be useful, but WITHOUT 9 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 10 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 11 more details. 12 13 The full GNU General Public License is included in this distribution in 14 the file called "COPYING". 15 16 Author: Giuseppe Cavallaro <peppe.cavallaro@st.com> 17 *******************************************************************************/ 18 19 #ifndef __STMMAC_H__ 20 #define __STMMAC_H__ 21 22 #define STMMAC_RESOURCE_NAME "stmmaceth" 23 #define DRV_MODULE_VERSION "Jan_2016" 24 25 #include <linux/clk.h> 26 #include <linux/stmmac.h> 27 #include <linux/phy.h> 28 #include <linux/pci.h> 29 #include "common.h" 30 #include <linux/ptp_clock_kernel.h> 31 #include <linux/reset.h> 32 33 struct stmmac_resources { 34 void __iomem *addr; 35 const char *mac; 36 int wol_irq; 37 int lpi_irq; 38 int irq; 39 }; 40 41 struct stmmac_tx_info { 42 dma_addr_t buf; 43 bool map_as_page; 44 unsigned len; 45 bool last_segment; 46 bool is_jumbo; 47 }; 48 49 /* Frequently used values are kept adjacent for cache effect */ 50 struct stmmac_tx_queue { 51 u32 queue_index; 52 struct stmmac_priv *priv_data; 53 struct dma_extended_desc *dma_etx ____cacheline_aligned_in_smp; 54 struct dma_desc *dma_tx; 55 struct sk_buff **tx_skbuff; 56 struct stmmac_tx_info *tx_skbuff_dma; 57 unsigned int cur_tx; 58 unsigned int dirty_tx; 59 dma_addr_t dma_tx_phy; 60 u32 tx_tail_addr; 61 u32 mss; 62 }; 63 64 struct stmmac_rx_queue { 65 u32 queue_index; 66 struct stmmac_priv *priv_data; 67 struct dma_extended_desc *dma_erx; 68 struct dma_desc *dma_rx ____cacheline_aligned_in_smp; 69 struct sk_buff **rx_skbuff; 70 dma_addr_t *rx_skbuff_dma; 71 unsigned int cur_rx; 72 unsigned int dirty_rx; 73 u32 rx_zeroc_thresh; 74 dma_addr_t dma_rx_phy; 75 u32 rx_tail_addr; 76 struct napi_struct napi ____cacheline_aligned_in_smp; 77 }; 78 79 struct stmmac_priv { 80 /* Frequently used values are kept adjacent for cache effect */ 81 u32 tx_count_frames; 82 u32 tx_coal_frames; 83 u32 tx_coal_timer; 84 85 int tx_coalesce; 86 int hwts_tx_en; 87 bool tx_path_in_lpi_mode; 88 struct timer_list txtimer; 89 bool tso; 90 91 unsigned int dma_buf_sz; 92 unsigned int rx_copybreak; 93 u32 rx_riwt; 94 int hwts_rx_en; 95 96 void __iomem *ioaddr; 97 struct net_device *dev; 98 struct device *device; 99 struct mac_device_info *hw; 100 spinlock_t lock; 101 102 /* RX Queue */ 103 struct stmmac_rx_queue rx_queue[MTL_MAX_RX_QUEUES]; 104 105 /* TX Queue */ 106 struct stmmac_tx_queue tx_queue[MTL_MAX_TX_QUEUES]; 107 108 bool oldlink; 109 int speed; 110 int oldduplex; 111 unsigned int flow_ctrl; 112 unsigned int pause; 113 struct mii_bus *mii; 114 int mii_irq[PHY_MAX_ADDR]; 115 116 struct stmmac_extra_stats xstats ____cacheline_aligned_in_smp; 117 struct plat_stmmacenet_data *plat; 118 struct dma_features dma_cap; 119 struct stmmac_counters mmc; 120 int hw_cap_support; 121 int synopsys_id; 122 u32 msg_enable; 123 int wolopts; 124 int wol_irq; 125 int clk_csr; 126 struct timer_list eee_ctrl_timer; 127 int lpi_irq; 128 int eee_enabled; 129 int eee_active; 130 int tx_lpi_timer; 131 unsigned int mode; 132 int extend_desc; 133 struct ptp_clock *ptp_clock; 134 struct ptp_clock_info ptp_clock_ops; 135 unsigned int default_addend; 136 u32 adv_ts; 137 int use_riwt; 138 int irq_wake; 139 spinlock_t ptp_lock; 140 void __iomem *mmcaddr; 141 void __iomem *ptpaddr; 142 143 #ifdef CONFIG_DEBUG_FS 144 struct dentry *dbgfs_dir; 145 struct dentry *dbgfs_rings_status; 146 struct dentry *dbgfs_dma_cap; 147 #endif 148 }; 149 150 int stmmac_mdio_unregister(struct net_device *ndev); 151 int stmmac_mdio_register(struct net_device *ndev); 152 int stmmac_mdio_reset(struct mii_bus *mii); 153 void stmmac_set_ethtool_ops(struct net_device *netdev); 154 155 void stmmac_ptp_register(struct stmmac_priv *priv); 156 void stmmac_ptp_unregister(struct stmmac_priv *priv); 157 int stmmac_resume(struct device *dev); 158 int stmmac_suspend(struct device *dev); 159 int stmmac_dvr_remove(struct device *dev); 160 int stmmac_dvr_probe(struct device *device, 161 struct plat_stmmacenet_data *plat_dat, 162 struct stmmac_resources *res); 163 void stmmac_disable_eee_mode(struct stmmac_priv *priv); 164 bool stmmac_eee_init(struct stmmac_priv *priv); 165 166 #endif /* __STMMAC_H__ */ 167