drivers/net/ethernet/stmicro/stmmac/stmmac.h

   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         unsigned int mode;
 121         int extend_desc;
 122         struct ptp_clock *ptp_clock;
 123         struct ptp_clock_info ptp_clock_ops;
 124         unsigned int default_addend;
 125         struct clk *clk_ptp_ref;
 126         unsigned int clk_ptp_rate;
 127         u32 adv_ts;
 128         int use_riwt;
 129         int irq_wake;
 130         spinlock_t ptp_lock;
 131         void __iomem *mmcaddr;
 132         u32 rx_tail_addr;
 133         u32 tx_tail_addr;
 134         u32 mss;
 135
 136 #ifdef CONFIG_DEBUG_FS
 137         struct dentry *dbgfs_dir;
 138         struct dentry *dbgfs_rings_status;
 139         struct dentry *dbgfs_dma_cap;
 140 #endif
 141 };
 142
 143 int stmmac_mdio_unregister(struct net_device *ndev);
 144 int stmmac_mdio_register(struct net_device *ndev);
 145 int stmmac_mdio_reset(struct mii_bus *mii);
 146 void stmmac_set_ethtool_ops(struct net_device *netdev);
 147
 148 int stmmac_ptp_register(struct stmmac_priv *priv);
 149 void stmmac_ptp_unregister(struct stmmac_priv *priv);
 150 int stmmac_resume(struct device *dev);
 151 int stmmac_suspend(struct device *dev);
 152 int stmmac_dvr_remove(struct device *dev);
 153 int stmmac_dvr_probe(struct device *device,
 154                      struct plat_stmmacenet_data *plat_dat,
 155                      struct stmmac_resources *res);
 156 void stmmac_disable_eee_mode(struct stmmac_priv *priv);
 157 bool stmmac_eee_init(struct stmmac_priv *priv);
 158
 159 #endif /* __STMMAC_H__ */