1 /*******************************************************************************
2 Copyright (C) 2007-2009 STMicroelectronics Ltd
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.
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
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.
17 The full GNU General Public License is included in this distribution in
18 the file called "COPYING".
20 Author: Giuseppe Cavallaro <peppe.cavallaro@st.com>
21 *******************************************************************************/
23 #define STMMAC_RESOURCE_NAME "stmmaceth"
24 #define DRV_MODULE_VERSION "March_2012"
26 #include <linux/clk.h>
27 #include <linux/stmmac.h>
28 #include <linux/phy.h>
29 #include <linux/pci.h>
31 #ifdef CONFIG_STMMAC_TIMER
32 #include "stmmac_timer.h"
36 /* Frequently used values are kept adjacent for cache effect */
37 struct dma_desc *dma_tx ____cacheline_aligned;
38 dma_addr_t dma_tx_phy;
39 struct sk_buff **tx_skbuff;
41 unsigned int dirty_tx;
42 unsigned int dma_tx_size;
45 struct dma_desc *dma_rx ;
47 unsigned int dirty_rx;
48 struct sk_buff **rx_skbuff;
49 dma_addr_t *rx_skbuff_dma;
50 struct sk_buff_head rx_recycle;
52 struct net_device *dev;
53 dma_addr_t dma_rx_phy;
54 unsigned int dma_rx_size;
55 unsigned int dma_buf_sz;
56 struct device *device;
57 struct mac_device_info *hw;
60 struct stmmac_extra_stats xstats;
61 struct napi_struct napi;
62 int no_csum_insertion;
64 struct phy_device *phydev;
68 unsigned int flow_ctrl;
71 int mii_irq[PHY_MAX_ADDR];
78 #ifdef CONFIG_STMMAC_TIMER
79 struct stmmac_timer *tm;
81 struct plat_stmmacenet_data *plat;
82 struct stmmac_counters mmc;
83 struct dma_features dma_cap;
85 #ifdef CONFIG_HAVE_CLK
86 struct clk *stmmac_clk;
94 extern int stmmac_mdio_unregister(struct net_device *ndev);
95 extern int stmmac_mdio_register(struct net_device *ndev);
96 extern void stmmac_set_ethtool_ops(struct net_device *netdev);
97 extern const struct stmmac_desc_ops enh_desc_ops;
98 extern const struct stmmac_desc_ops ndesc_ops;
99 int stmmac_freeze(struct net_device *ndev);
100 int stmmac_restore(struct net_device *ndev);
101 int stmmac_resume(struct net_device *ndev);
102 int stmmac_suspend(struct net_device *ndev);
103 int stmmac_dvr_remove(struct net_device *ndev);
104 struct stmmac_priv *stmmac_dvr_probe(struct device *device,
105 struct plat_stmmacenet_data *plat_dat,
108 #ifdef CONFIG_HAVE_CLK
109 static inline int stmmac_clk_enable(struct stmmac_priv *priv)
111 if (!IS_ERR(priv->stmmac_clk))
112 return clk_prepare_enable(priv->stmmac_clk);
117 static inline void stmmac_clk_disable(struct stmmac_priv *priv)
119 if (IS_ERR(priv->stmmac_clk))
122 clk_disable_unprepare(priv->stmmac_clk);
124 static inline int stmmac_clk_get(struct stmmac_priv *priv)
126 priv->stmmac_clk = clk_get(priv->device, NULL);
128 if (IS_ERR(priv->stmmac_clk))
129 return PTR_ERR(priv->stmmac_clk);
134 static inline int stmmac_clk_enable(struct stmmac_priv *priv)
138 static inline void stmmac_clk_disable(struct stmmac_priv *priv)
141 static inline int stmmac_clk_get(struct stmmac_priv *priv)
145 #endif /* CONFIG_HAVE_CLK */
148 #ifdef CONFIG_STMMAC_PLATFORM
149 extern struct platform_driver stmmac_pltfr_driver;
150 static inline int stmmac_register_platform(void)
154 err = platform_driver_register(&stmmac_pltfr_driver);
156 pr_err("stmmac: failed to register the platform driver\n");
160 static inline void stmmac_unregister_platform(void)
162 platform_driver_register(&stmmac_pltfr_driver);
165 static inline int stmmac_register_platform(void)
167 pr_debug("stmmac: do not register the platf driver\n");
171 static inline void stmmac_unregister_platform(void)
174 #endif /* CONFIG_STMMAC_PLATFORM */
176 #ifdef CONFIG_STMMAC_PCI
177 extern struct pci_driver stmmac_pci_driver;
178 static inline int stmmac_register_pci(void)
182 err = pci_register_driver(&stmmac_pci_driver);
184 pr_err("stmmac: failed to register the PCI driver\n");
188 static inline void stmmac_unregister_pci(void)
190 pci_unregister_driver(&stmmac_pci_driver);
193 static inline int stmmac_register_pci(void)
195 pr_debug("stmmac: do not register the PCI driver\n");
199 static inline void stmmac_unregister_pci(void)
202 #endif /* CONFIG_STMMAC_PCI */