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_priv {
  38         /* Frequently used values are kept adjacent for cache effect */
  39         struct dma_extended_desc *dma_etx ____cacheline_aligned_in_smp;
  40         struct dma_desc *dma_tx;
  41         struct sk_buff **tx_skbuff;
  42         unsigned int cur_tx;
  43         unsigned int dirty_tx;
  44         unsigned int dma_tx_size;
  45         u32 tx_count_frames;
  46         u32 tx_coal_frames;
  47         u32 tx_coal_timer;
  48         dma_addr_t *tx_skbuff_dma;
  49         dma_addr_t dma_tx_phy;
  50         int tx_coalesce;
  51         int hwts_tx_en;
  52         spinlock_t tx_lock;
  53         bool tx_path_in_lpi_mode;
  54         struct timer_list txtimer;
  55
  56         struct dma_desc *dma_rx ____cacheline_aligned_in_smp;
  57         struct dma_extended_desc *dma_erx;
  58         struct sk_buff **rx_skbuff;
  59         unsigned int cur_rx;
  60         unsigned int dirty_rx;
  61         unsigned int dma_rx_size;
  62         unsigned int dma_buf_sz;
  63         u32 rx_riwt;
  64         int hwts_rx_en;
  65         dma_addr_t *rx_skbuff_dma;
  66         dma_addr_t dma_rx_phy;
  67
  68         struct napi_struct napi ____cacheline_aligned_in_smp;
  69
  70         void __iomem *ioaddr;
  71         struct net_device *dev;
  72         struct device *device;
  73         struct mac_device_info *hw;
  74         spinlock_t lock;
  75
  76         struct phy_device *phydev ____cacheline_aligned_in_smp;
  77         int oldlink;
  78         int speed;
  79         int oldduplex;
  80         unsigned int flow_ctrl;
  81         unsigned int pause;
  82         struct mii_bus *mii;
  83         int mii_irq[PHY_MAX_ADDR];
  84
  85         struct stmmac_extra_stats xstats ____cacheline_aligned_in_smp;
  86         struct plat_stmmacenet_data *plat;
  87         struct dma_features dma_cap;
  88         struct stmmac_counters mmc;
  89         int hw_cap_support;
  90         int synopsys_id;
  91         u32 msg_enable;
  92         int wolopts;
  93         int wol_irq;
  94         struct clk *stmmac_clk;
  95         struct reset_control *stmmac_rst;
  96         int clk_csr;
  97         struct timer_list eee_ctrl_timer;
  98         int lpi_irq;
  99         int eee_enabled;
 100         int eee_active;
 101         int tx_lpi_timer;
 102         int pcs;
 103         unsigned int mode;
 104         int extend_desc;
 105         struct ptp_clock *ptp_clock;
 106         struct ptp_clock_info ptp_clock_ops;
 107         unsigned int default_addend;
 108         u32 adv_ts;
 109         int use_riwt;
 110         int irq_wake;
 111         spinlock_t ptp_lock;
 112 };
 113
 114 int stmmac_mdio_unregister(struct net_device *ndev);
 115 int stmmac_mdio_register(struct net_device *ndev);
 116 int stmmac_mdio_reset(struct mii_bus *mii);
 117 void stmmac_set_ethtool_ops(struct net_device *netdev);
 118 extern const struct stmmac_desc_ops enh_desc_ops;
 119 extern const struct stmmac_desc_ops ndesc_ops;
 120 extern const struct stmmac_hwtimestamp stmmac_ptp;
 121 int stmmac_ptp_register(struct stmmac_priv *priv);
 122 void stmmac_ptp_unregister(struct stmmac_priv *priv);
 123 int stmmac_resume(struct net_device *ndev);
 124 int stmmac_suspend(struct net_device *ndev);
 125 int stmmac_dvr_remove(struct net_device *ndev);
 126 struct stmmac_priv *stmmac_dvr_probe(struct device *device,
 127                                      struct plat_stmmacenet_data *plat_dat,
 128                                      void __iomem *addr);
 129 void stmmac_disable_eee_mode(struct stmmac_priv *priv);
 130 bool stmmac_eee_init(struct stmmac_priv *priv);
 131
 132 #ifdef CONFIG_STMMAC_PLATFORM
 133 #ifdef CONFIG_DWMAC_SUNXI
 134 extern const struct stmmac_of_data sun7i_gmac_data;
 135 #endif
 136 #ifdef CONFIG_DWMAC_STI
 137 extern const struct stmmac_of_data sti_gmac_data;
 138 #endif
 139 extern struct platform_driver stmmac_pltfr_driver;
 140 static inline int stmmac_register_platform(void)
 141 {
 142         int err;
 143
 144         err = platform_driver_register(&stmmac_pltfr_driver);
 145         if (err)
 146                 pr_err("stmmac: failed to register the platform driver\n");
 147
 148         return err;
 149 }
 150
 151 static inline void stmmac_unregister_platform(void)
 152 {
 153         platform_driver_unregister(&stmmac_pltfr_driver);
 154 }
 155 #else
 156 static inline int stmmac_register_platform(void)
 157 {
 158         pr_debug("stmmac: do not register the platf driver\n");
 159
 160         return 0;
 161 }
 162
 163 static inline void stmmac_unregister_platform(void)
 164 {
 165 }
 166 #endif /* CONFIG_STMMAC_PLATFORM */
 167
 168 #ifdef CONFIG_STMMAC_PCI
 169 extern struct pci_driver stmmac_pci_driver;
 170 static inline int stmmac_register_pci(void)
 171 {
 172         int err;
 173
 174         err = pci_register_driver(&stmmac_pci_driver);
 175         if (err)
 176                 pr_err("stmmac: failed to register the PCI driver\n");
 177
 178         return err;
 179 }
 180
 181 static inline void stmmac_unregister_pci(void)
 182 {
 183         pci_unregister_driver(&stmmac_pci_driver);
 184 }
 185 #else
 186 static inline int stmmac_register_pci(void)
 187 {
 188         pr_debug("stmmac: do not register the PCI driver\n");
 189
 190         return 0;
 191 }
 192
 193 static inline void stmmac_unregister_pci(void)
 194 {
 195 }
 196 #endif /* CONFIG_STMMAC_PCI */
 197
 198 #endif /* __STMMAC_H__ */