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 extern struct platform_driver stmmac_pltfr_driver; 137 static inline int stmmac_register_platform(void) 138 { 139 int err; 140 141 err = platform_driver_register(&stmmac_pltfr_driver); 142 if (err) 143 pr_err("stmmac: failed to register the platform driver\n"); 144 145 return err; 146 } 147 148 static inline void stmmac_unregister_platform(void) 149 { 150 platform_driver_unregister(&stmmac_pltfr_driver); 151 } 152 #else 153 static inline int stmmac_register_platform(void) 154 { 155 pr_debug("stmmac: do not register the platf driver\n"); 156 157 return 0; 158 } 159 160 static inline void stmmac_unregister_platform(void) 161 { 162 } 163 #endif /* CONFIG_STMMAC_PLATFORM */ 164 165 #ifdef CONFIG_STMMAC_PCI 166 extern struct pci_driver stmmac_pci_driver; 167 static inline int stmmac_register_pci(void) 168 { 169 int err; 170 171 err = pci_register_driver(&stmmac_pci_driver); 172 if (err) 173 pr_err("stmmac: failed to register the PCI driver\n"); 174 175 return err; 176 } 177 178 static inline void stmmac_unregister_pci(void) 179 { 180 pci_unregister_driver(&stmmac_pci_driver); 181 } 182 #else 183 static inline int stmmac_register_pci(void) 184 { 185 pr_debug("stmmac: do not register the PCI driver\n"); 186 187 return 0; 188 } 189 190 static inline void stmmac_unregister_pci(void) 191 { 192 } 193 #endif /* CONFIG_STMMAC_PCI */ 194 195 #endif /* __STMMAC_H__ */ 196