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      "March_2013"
  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 };
  49
  50 struct stmmac_priv {
  51         /* Frequently used values are kept adjacent for cache effect */
  52         struct dma_extended_desc *dma_etx ____cacheline_aligned_in_smp;
  53         struct dma_desc *dma_tx;
  54         struct sk_buff **tx_skbuff;
  55         unsigned int cur_tx;
  56         unsigned int dirty_tx;
  57         unsigned int dma_tx_size;
  58         u32 tx_count_frames;
  59         u32 tx_coal_frames;
  60         u32 tx_coal_timer;
  61         struct stmmac_tx_info *tx_skbuff_dma;
  62         dma_addr_t dma_tx_phy;
  63         int tx_coalesce;
  64         int hwts_tx_en;
  65         spinlock_t tx_lock;
  66         bool tx_path_in_lpi_mode;
  67         struct timer_list txtimer;
  68
  69         struct dma_desc *dma_rx ____cacheline_aligned_in_smp;
  70         struct dma_extended_desc *dma_erx;
  71         struct sk_buff **rx_skbuff;
  72         unsigned int cur_rx;
  73         unsigned int dirty_rx;
  74         unsigned int dma_rx_size;
  75         unsigned int dma_buf_sz;
  76         u32 rx_riwt;
  77         int hwts_rx_en;
  78         dma_addr_t *rx_skbuff_dma;
  79         dma_addr_t dma_rx_phy;
  80
  81         struct napi_struct napi ____cacheline_aligned_in_smp;
  82
  83         void __iomem *ioaddr;
  84         struct net_device *dev;
  85         struct device *device;
  86         struct mac_device_info *hw;
  87         spinlock_t lock;
  88
  89         struct phy_device *phydev ____cacheline_aligned_in_smp;
  90         int oldlink;
  91         int speed;
  92         int oldduplex;
  93         unsigned int flow_ctrl;
  94         unsigned int pause;
  95         struct mii_bus *mii;
  96         int mii_irq[PHY_MAX_ADDR];
  97
  98         struct stmmac_extra_stats xstats ____cacheline_aligned_in_smp;
  99         struct plat_stmmacenet_data *plat;
 100         struct dma_features dma_cap;
 101         struct stmmac_counters mmc;
 102         int hw_cap_support;
 103         int synopsys_id;
 104         u32 msg_enable;
 105         int wolopts;
 106         int wol_irq;
 107         struct clk *stmmac_clk;
 108         struct clk *pclk;
 109         struct reset_control *stmmac_rst;
 110         int clk_csr;
 111         struct timer_list eee_ctrl_timer;
 112         int lpi_irq;
 113         int eee_enabled;
 114         int eee_active;
 115         int tx_lpi_timer;
 116         int pcs;
 117         unsigned int mode;
 118         int extend_desc;
 119         struct ptp_clock *ptp_clock;
 120         struct ptp_clock_info ptp_clock_ops;
 121         unsigned int default_addend;
 122         struct clk *clk_ptp_ref;
 123         unsigned int clk_ptp_rate;
 124         u32 adv_ts;
 125         int use_riwt;
 126         int irq_wake;
 127         spinlock_t ptp_lock;
 128
 129 #ifdef CONFIG_DEBUG_FS
 130         struct dentry *dbgfs_dir;
 131         struct dentry *dbgfs_rings_status;
 132         struct dentry *dbgfs_dma_cap;
 133 #endif
 134 };
 135
 136 int stmmac_mdio_unregister(struct net_device *ndev);
 137 int stmmac_mdio_register(struct net_device *ndev);
 138 int stmmac_mdio_reset(struct mii_bus *mii);
 139 void stmmac_set_ethtool_ops(struct net_device *netdev);
 140
 141 int stmmac_ptp_register(struct stmmac_priv *priv);
 142 void stmmac_ptp_unregister(struct stmmac_priv *priv);
 143 int stmmac_resume(struct net_device *ndev);
 144 int stmmac_suspend(struct net_device *ndev);
 145 int stmmac_dvr_remove(struct net_device *ndev);
 146 int stmmac_dvr_probe(struct device *device,
 147                      struct plat_stmmacenet_data *plat_dat,
 148                      struct stmmac_resources *res);
 149 void stmmac_disable_eee_mode(struct stmmac_priv *priv);
 150 bool stmmac_eee_init(struct stmmac_priv *priv);
 151
 152 #endif /* __STMMAC_H__ */