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 You should have received a copy of the GNU General Public License along with 14 this program; if not, write to the Free Software Foundation, Inc., 15 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. 16 17 The full GNU General Public License is included in this distribution in 18 the file called "COPYING". 19 20 Author: Giuseppe Cavallaro <peppe.cavallaro@st.com> 21 *******************************************************************************/ 22 23 #ifndef __STMMAC_H__ 24 #define __STMMAC_H__ 25 26 #define STMMAC_RESOURCE_NAME "stmmaceth" 27 #define DRV_MODULE_VERSION "Jan_2016" 28 29 #include <linux/clk.h> 30 #include <linux/stmmac.h> 31 #include <linux/phy.h> 32 #include <linux/pci.h> 33 #include "common.h" 34 #include <linux/ptp_clock_kernel.h> 35 #include <linux/reset.h> 36 37 struct stmmac_resources { 38 void __iomem *addr; 39 const char *mac; 40 int wol_irq; 41 int lpi_irq; 42 int irq; 43 }; 44 45 struct stmmac_tx_info { 46 dma_addr_t buf; 47 bool map_as_page; 48 unsigned len; 49 bool last_segment; 50 bool is_jumbo; 51 }; 52 53 struct stmmac_priv { 54 /* Frequently used values are kept adjacent for cache effect */ 55 struct dma_extended_desc *dma_etx ____cacheline_aligned_in_smp; 56 struct dma_desc *dma_tx; 57 struct sk_buff **tx_skbuff; 58 unsigned int cur_tx; 59 unsigned int dirty_tx; 60 u32 tx_count_frames; 61 u32 tx_coal_frames; 62 u32 tx_coal_timer; 63 struct stmmac_tx_info *tx_skbuff_dma; 64 dma_addr_t dma_tx_phy; 65 int tx_coalesce; 66 int hwts_tx_en; 67 spinlock_t tx_lock; 68 bool tx_path_in_lpi_mode; 69 struct timer_list txtimer; 70 bool tso; 71 72 struct dma_desc *dma_rx ____cacheline_aligned_in_smp; 73 struct dma_extended_desc *dma_erx; 74 struct sk_buff **rx_skbuff; 75 unsigned int cur_rx; 76 unsigned int dirty_rx; 77 unsigned int dma_buf_sz; 78 unsigned int rx_copybreak; 79 unsigned int rx_zeroc_thresh; 80 u32 rx_riwt; 81 int hwts_rx_en; 82 dma_addr_t *rx_skbuff_dma; 83 dma_addr_t dma_rx_phy; 84 85 struct napi_struct napi ____cacheline_aligned_in_smp; 86 87 void __iomem *ioaddr; 88 struct net_device *dev; 89 struct device *device; 90 struct mac_device_info *hw; 91 spinlock_t lock; 92 93 struct phy_device *phydev ____cacheline_aligned_in_smp; 94 int oldlink; 95 int speed; 96 int oldduplex; 97 unsigned int flow_ctrl; 98 unsigned int pause; 99 struct mii_bus *mii; 100 int mii_irq[PHY_MAX_ADDR]; 101 102 struct stmmac_extra_stats xstats ____cacheline_aligned_in_smp; 103 struct plat_stmmacenet_data *plat; 104 struct dma_features dma_cap; 105 struct stmmac_counters mmc; 106 int hw_cap_support; 107 int synopsys_id; 108 u32 msg_enable; 109 int wolopts; 110 int wol_irq; 111 struct clk *stmmac_clk; 112 struct clk *pclk; 113 struct reset_control *stmmac_rst; 114 int clk_csr; 115 struct timer_list eee_ctrl_timer; 116 int lpi_irq; 117 int eee_enabled; 118 int eee_active; 119 int tx_lpi_timer; 120 int pcs; 121 unsigned int mode; 122 int extend_desc; 123 struct ptp_clock *ptp_clock; 124 struct ptp_clock_info ptp_clock_ops; 125 unsigned int default_addend; 126 struct clk *clk_ptp_ref; 127 unsigned int clk_ptp_rate; 128 u32 adv_ts; 129 int use_riwt; 130 int irq_wake; 131 spinlock_t ptp_lock; 132 void __iomem *mmcaddr; 133 u32 rx_tail_addr; 134 u32 tx_tail_addr; 135 u32 mss; 136 137 #ifdef CONFIG_DEBUG_FS 138 struct dentry *dbgfs_dir; 139 struct dentry *dbgfs_rings_status; 140 struct dentry *dbgfs_dma_cap; 141 #endif 142 }; 143 144 int stmmac_mdio_unregister(struct net_device *ndev); 145 int stmmac_mdio_register(struct net_device *ndev); 146 int stmmac_mdio_reset(struct mii_bus *mii); 147 void stmmac_set_ethtool_ops(struct net_device *netdev); 148 149 int stmmac_ptp_register(struct stmmac_priv *priv); 150 void stmmac_ptp_unregister(struct stmmac_priv *priv); 151 int stmmac_resume(struct device *dev); 152 int stmmac_suspend(struct device *dev); 153 int stmmac_dvr_remove(struct device *dev); 154 int stmmac_dvr_probe(struct device *device, 155 struct plat_stmmacenet_data *plat_dat, 156 struct stmmac_resources *res); 157 void stmmac_disable_eee_mode(struct stmmac_priv *priv); 158 bool stmmac_eee_init(struct stmmac_priv *priv); 159 160 #endif /* __STMMAC_H__ */ 161