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 }; 62 63 struct stmmac_rx_queue { 64 u32 queue_index; 65 struct stmmac_priv *priv_data; 66 struct dma_extended_desc *dma_erx; 67 struct dma_desc *dma_rx ____cacheline_aligned_in_smp; 68 struct sk_buff **rx_skbuff; 69 dma_addr_t *rx_skbuff_dma; 70 unsigned int cur_rx; 71 unsigned int dirty_rx; 72 u32 rx_zeroc_thresh; 73 dma_addr_t dma_rx_phy; 74 u32 rx_tail_addr; 75 struct napi_struct napi ____cacheline_aligned_in_smp; 76 }; 77 78 struct stmmac_priv { 79 /* Frequently used values are kept adjacent for cache effect */ 80 u32 tx_count_frames; 81 u32 tx_coal_frames; 82 u32 tx_coal_timer; 83 84 int tx_coalesce; 85 int hwts_tx_en; 86 bool tx_path_in_lpi_mode; 87 struct timer_list txtimer; 88 bool tso; 89 90 unsigned int dma_buf_sz; 91 unsigned int rx_copybreak; 92 u32 rx_riwt; 93 int hwts_rx_en; 94 95 void __iomem *ioaddr; 96 struct net_device *dev; 97 struct device *device; 98 struct mac_device_info *hw; 99 spinlock_t lock; 100 101 /* RX Queue */ 102 struct stmmac_rx_queue rx_queue[MTL_MAX_RX_QUEUES]; 103 104 /* TX Queue */ 105 struct stmmac_tx_queue tx_queue[MTL_MAX_TX_QUEUES]; 106 107 int oldlink; 108 int speed; 109 int oldduplex; 110 unsigned int flow_ctrl; 111 unsigned int pause; 112 struct mii_bus *mii; 113 int mii_irq[PHY_MAX_ADDR]; 114 115 struct stmmac_extra_stats xstats ____cacheline_aligned_in_smp; 116 struct plat_stmmacenet_data *plat; 117 struct dma_features dma_cap; 118 struct stmmac_counters mmc; 119 int hw_cap_support; 120 int synopsys_id; 121 u32 msg_enable; 122 int wolopts; 123 int wol_irq; 124 int clk_csr; 125 struct timer_list eee_ctrl_timer; 126 int lpi_irq; 127 int eee_enabled; 128 int eee_active; 129 int tx_lpi_timer; 130 unsigned int mode; 131 int extend_desc; 132 struct ptp_clock *ptp_clock; 133 struct ptp_clock_info ptp_clock_ops; 134 unsigned int default_addend; 135 u32 adv_ts; 136 int use_riwt; 137 int irq_wake; 138 spinlock_t ptp_lock; 139 void __iomem *mmcaddr; 140 void __iomem *ptpaddr; 141 u32 mss; 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