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 36 struct stmmac_priv { 37 /* Frequently used values are kept adjacent for cache effect */ 38 struct dma_extended_desc *dma_etx ____cacheline_aligned_in_smp; 39 struct dma_desc *dma_tx; 40 struct sk_buff **tx_skbuff; 41 unsigned int cur_tx; 42 unsigned int dirty_tx; 43 unsigned int dma_tx_size; 44 u32 tx_count_frames; 45 u32 tx_coal_frames; 46 u32 tx_coal_timer; 47 dma_addr_t *tx_skbuff_dma; 48 dma_addr_t dma_tx_phy; 49 int tx_coalesce; 50 int hwts_tx_en; 51 spinlock_t tx_lock; 52 bool tx_path_in_lpi_mode; 53 struct timer_list txtimer; 54 55 struct dma_desc *dma_rx ____cacheline_aligned_in_smp; 56 struct dma_extended_desc *dma_erx; 57 struct sk_buff **rx_skbuff; 58 unsigned int cur_rx; 59 unsigned int dirty_rx; 60 unsigned int dma_rx_size; 61 unsigned int dma_buf_sz; 62 u32 rx_riwt; 63 int hwts_rx_en; 64 dma_addr_t *rx_skbuff_dma; 65 dma_addr_t dma_rx_phy; 66 67 struct napi_struct napi ____cacheline_aligned_in_smp; 68 69 void __iomem *ioaddr; 70 struct net_device *dev; 71 struct device *device; 72 struct mac_device_info *hw; 73 spinlock_t lock; 74 75 struct phy_device *phydev ____cacheline_aligned_in_smp; 76 int oldlink; 77 int speed; 78 int oldduplex; 79 unsigned int flow_ctrl; 80 unsigned int pause; 81 struct mii_bus *mii; 82 int mii_irq[PHY_MAX_ADDR]; 83 84 struct stmmac_extra_stats xstats ____cacheline_aligned_in_smp; 85 struct plat_stmmacenet_data *plat; 86 struct dma_features dma_cap; 87 struct stmmac_counters mmc; 88 int hw_cap_support; 89 int synopsys_id; 90 u32 msg_enable; 91 int wolopts; 92 int wol_irq; 93 struct clk *stmmac_clk; 94 int clk_csr; 95 struct timer_list eee_ctrl_timer; 96 int lpi_irq; 97 int eee_enabled; 98 int eee_active; 99 int tx_lpi_timer; 100 int pcs; 101 unsigned int mode; 102 int extend_desc; 103 struct ptp_clock *ptp_clock; 104 struct ptp_clock_info ptp_clock_ops; 105 unsigned int default_addend; 106 u32 adv_ts; 107 int use_riwt; 108 spinlock_t ptp_lock; 109 }; 110 111 extern int phyaddr; 112 113 extern int stmmac_mdio_unregister(struct net_device *ndev); 114 extern int stmmac_mdio_register(struct net_device *ndev); 115 extern void stmmac_set_ethtool_ops(struct net_device *netdev); 116 extern const struct stmmac_desc_ops enh_desc_ops; 117 extern const struct stmmac_desc_ops ndesc_ops; 118 extern const struct stmmac_hwtimestamp stmmac_ptp; 119 extern int stmmac_ptp_register(struct stmmac_priv *priv); 120 extern void stmmac_ptp_unregister(struct stmmac_priv *priv); 121 int stmmac_freeze(struct net_device *ndev); 122 int stmmac_restore(struct net_device *ndev); 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 extern struct platform_driver stmmac_pltfr_driver; 134 static inline int stmmac_register_platform(void) 135 { 136 int err; 137 138 err = platform_driver_register(&stmmac_pltfr_driver); 139 if (err) 140 pr_err("stmmac: failed to register the platform driver\n"); 141 142 return err; 143 } 144 145 static inline void stmmac_unregister_platform(void) 146 { 147 platform_driver_unregister(&stmmac_pltfr_driver); 148 } 149 #else 150 static inline int stmmac_register_platform(void) 151 { 152 pr_debug("stmmac: do not register the platf driver\n"); 153 154 return 0; 155 } 156 157 static inline void stmmac_unregister_platform(void) 158 { 159 } 160 #endif /* CONFIG_STMMAC_PLATFORM */ 161 162 #ifdef CONFIG_STMMAC_PCI 163 extern struct pci_driver stmmac_pci_driver; 164 static inline int stmmac_register_pci(void) 165 { 166 int err; 167 168 err = pci_register_driver(&stmmac_pci_driver); 169 if (err) 170 pr_err("stmmac: failed to register the PCI driver\n"); 171 172 return err; 173 } 174 175 static inline void stmmac_unregister_pci(void) 176 { 177 pci_unregister_driver(&stmmac_pci_driver); 178 } 179 #else 180 static inline int stmmac_register_pci(void) 181 { 182 pr_debug("stmmac: do not register the PCI driver\n"); 183 184 return 0; 185 } 186 187 static inline void stmmac_unregister_pci(void) 188 { 189 } 190 #endif /* CONFIG_STMMAC_PCI */ 191 192 #endif /* __STMMAC_H__ */ 193