| /******************************************************************************* |
| Copyright (C) 2007-2009 STMicroelectronics Ltd |
| |
| This program is free software; you can redistribute it and/or modify it |
| under the terms and conditions of the GNU General Public License, |
| version 2, as published by the Free Software Foundation. |
| |
| This program is distributed in the hope it will be useful, but WITHOUT |
| ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| more details. |
| |
| You should have received a copy of the GNU General Public License along with |
| this program; if not, write to the Free Software Foundation, Inc., |
| 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. |
| |
| The full GNU General Public License is included in this distribution in |
| the file called "COPYING". |
| |
| Author: Giuseppe Cavallaro <peppe.cavallaro@st.com> |
| *******************************************************************************/ |
| |
| #define STMMAC_RESOURCE_NAME "stmmaceth" |
| #define DRV_MODULE_VERSION "March_2012" |
| |
| #include <linux/clk.h> |
| #include <linux/stmmac.h> |
| #include <linux/phy.h> |
| #include <linux/pci.h> |
| #include "common.h" |
| #ifdef CONFIG_STMMAC_TIMER |
| #include "stmmac_timer.h" |
| #endif |
| |
| struct stmmac_priv { |
| /* Frequently used values are kept adjacent for cache effect */ |
| struct dma_desc *dma_tx ____cacheline_aligned; |
| dma_addr_t dma_tx_phy; |
| struct sk_buff **tx_skbuff; |
| unsigned int cur_tx; |
| unsigned int dirty_tx; |
| unsigned int dma_tx_size; |
| int tx_coalesce; |
| |
| struct dma_desc *dma_rx ; |
| unsigned int cur_rx; |
| unsigned int dirty_rx; |
| struct sk_buff **rx_skbuff; |
| dma_addr_t *rx_skbuff_dma; |
| struct sk_buff_head rx_recycle; |
| |
| struct net_device *dev; |
| dma_addr_t dma_rx_phy; |
| unsigned int dma_rx_size; |
| unsigned int dma_buf_sz; |
| struct device *device; |
| struct mac_device_info *hw; |
| void __iomem *ioaddr; |
| |
| struct stmmac_extra_stats xstats; |
| struct napi_struct napi; |
| int no_csum_insertion; |
| |
| struct phy_device *phydev; |
| int oldlink; |
| int speed; |
| int oldduplex; |
| unsigned int flow_ctrl; |
| unsigned int pause; |
| struct mii_bus *mii; |
| int mii_irq[PHY_MAX_ADDR]; |
| |
| u32 msg_enable; |
| spinlock_t lock; |
| spinlock_t tx_lock; |
| int wolopts; |
| int wol_irq; |
| #ifdef CONFIG_STMMAC_TIMER |
| struct stmmac_timer *tm; |
| #endif |
| struct plat_stmmacenet_data *plat; |
| struct stmmac_counters mmc; |
| struct dma_features dma_cap; |
| int hw_cap_support; |
| #ifdef CONFIG_HAVE_CLK |
| struct clk *stmmac_clk; |
| #endif |
| int clk_csr; |
| int synopsys_id; |
| struct timer_list eee_ctrl_timer; |
| bool tx_path_in_lpi_mode; |
| int lpi_irq; |
| int eee_enabled; |
| int eee_active; |
| int tx_lpi_timer; |
| }; |
| |
| extern int phyaddr; |
| |
| extern int stmmac_mdio_unregister(struct net_device *ndev); |
| extern int stmmac_mdio_register(struct net_device *ndev); |
| extern void stmmac_set_ethtool_ops(struct net_device *netdev); |
| extern const struct stmmac_desc_ops enh_desc_ops; |
| extern const struct stmmac_desc_ops ndesc_ops; |
| int stmmac_freeze(struct net_device *ndev); |
| int stmmac_restore(struct net_device *ndev); |
| int stmmac_resume(struct net_device *ndev); |
| int stmmac_suspend(struct net_device *ndev); |
| int stmmac_dvr_remove(struct net_device *ndev); |
| struct stmmac_priv *stmmac_dvr_probe(struct device *device, |
| struct plat_stmmacenet_data *plat_dat, |
| void __iomem *addr); |
| void stmmac_disable_eee_mode(struct stmmac_priv *priv); |
| bool stmmac_eee_init(struct stmmac_priv *priv); |
| |
| #ifdef CONFIG_HAVE_CLK |
| static inline int stmmac_clk_enable(struct stmmac_priv *priv) |
| { |
| if (!IS_ERR(priv->stmmac_clk)) |
| return clk_prepare_enable(priv->stmmac_clk); |
| |
| return 0; |
| } |
| |
| static inline void stmmac_clk_disable(struct stmmac_priv *priv) |
| { |
| if (IS_ERR(priv->stmmac_clk)) |
| return; |
| |
| clk_disable_unprepare(priv->stmmac_clk); |
| } |
| static inline int stmmac_clk_get(struct stmmac_priv *priv) |
| { |
| priv->stmmac_clk = clk_get(priv->device, NULL); |
| |
| if (IS_ERR(priv->stmmac_clk)) |
| return PTR_ERR(priv->stmmac_clk); |
| |
| return 0; |
| } |
| #else |
| static inline int stmmac_clk_enable(struct stmmac_priv *priv) |
| { |
| return 0; |
| } |
| static inline void stmmac_clk_disable(struct stmmac_priv *priv) |
| { |
| } |
| static inline int stmmac_clk_get(struct stmmac_priv *priv) |
| { |
| return 0; |
| } |
| #endif /* CONFIG_HAVE_CLK */ |
| |
| |
| #ifdef CONFIG_STMMAC_PLATFORM |
| extern struct platform_driver stmmac_pltfr_driver; |
| static inline int stmmac_register_platform(void) |
| { |
| int err; |
| |
| err = platform_driver_register(&stmmac_pltfr_driver); |
| if (err) |
| pr_err("stmmac: failed to register the platform driver\n"); |
| |
| return err; |
| } |
| static inline void stmmac_unregister_platform(void) |
| { |
| platform_driver_register(&stmmac_pltfr_driver); |
| } |
| #else |
| static inline int stmmac_register_platform(void) |
| { |
| pr_debug("stmmac: do not register the platf driver\n"); |
| |
| return -EINVAL; |
| } |
| static inline void stmmac_unregister_platform(void) |
| { |
| } |
| #endif /* CONFIG_STMMAC_PLATFORM */ |
| |
| #ifdef CONFIG_STMMAC_PCI |
| extern struct pci_driver stmmac_pci_driver; |
| static inline int stmmac_register_pci(void) |
| { |
| int err; |
| |
| err = pci_register_driver(&stmmac_pci_driver); |
| if (err) |
| pr_err("stmmac: failed to register the PCI driver\n"); |
| |
| return err; |
| } |
| static inline void stmmac_unregister_pci(void) |
| { |
| pci_unregister_driver(&stmmac_pci_driver); |
| } |
| #else |
| static inline int stmmac_register_pci(void) |
| { |
| pr_debug("stmmac: do not register the PCI driver\n"); |
| |
| return -EINVAL; |
| } |
| static inline void stmmac_unregister_pci(void) |
| { |
| } |
| #endif /* CONFIG_STMMAC_PCI */ |
