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;
90 struct timer_list eee_ctrl_timer;
91 bool tx_path_in_lpi_mode;
100 extern int stmmac_mdio_unregister(struct net_device *ndev);
101 extern int stmmac_mdio_register(struct net_device *ndev);
102 extern void stmmac_set_ethtool_ops(struct net_device *netdev);
103 extern const struct stmmac_desc_ops enh_desc_ops;
104 extern const struct stmmac_desc_ops ndesc_ops;
105 int stmmac_freeze(struct net_device *ndev);
106 int stmmac_restore(struct net_device *ndev);
107 int stmmac_resume(struct net_device *ndev);
108 int stmmac_suspend(struct net_device *ndev);
109 int stmmac_dvr_remove(struct net_device *ndev);
110 struct stmmac_priv *stmmac_dvr_probe(struct device *device,
111 struct plat_stmmacenet_data *plat_dat,
113 void stmmac_disable_eee_mode(struct stmmac_priv *priv);
114 bool stmmac_eee_init(struct stmmac_priv *priv);
116 #ifdef CONFIG_HAVE_CLK
117 static inline int stmmac_clk_enable(struct stmmac_priv *priv)
119 if (!IS_ERR(priv->stmmac_clk))
120 return clk_prepare_enable(priv->stmmac_clk);
125 static inline void stmmac_clk_disable(struct stmmac_priv *priv)
127 if (IS_ERR(priv->stmmac_clk))
130 clk_disable_unprepare(priv->stmmac_clk);
132 static inline int stmmac_clk_get(struct stmmac_priv *priv)
134 priv->stmmac_clk = clk_get(priv->device, NULL);
136 if (IS_ERR(priv->stmmac_clk))
137 return PTR_ERR(priv->stmmac_clk);
142 static inline int stmmac_clk_enable(struct stmmac_priv *priv)
146 static inline void stmmac_clk_disable(struct stmmac_priv *priv)
149 static inline int stmmac_clk_get(struct stmmac_priv *priv)
153 #endif /* CONFIG_HAVE_CLK */
156 #ifdef CONFIG_STMMAC_PLATFORM
157 extern struct platform_driver stmmac_pltfr_driver;
158 static inline int stmmac_register_platform(void)
162 err = platform_driver_register(&stmmac_pltfr_driver);
164 pr_err("stmmac: failed to register the platform driver\n");
168 static inline void stmmac_unregister_platform(void)
170 platform_driver_register(&stmmac_pltfr_driver);
173 static inline int stmmac_register_platform(void)
175 pr_debug("stmmac: do not register the platf driver\n");
179 static inline void stmmac_unregister_platform(void)
182 #endif /* CONFIG_STMMAC_PLATFORM */
184 #ifdef CONFIG_STMMAC_PCI
185 extern struct pci_driver stmmac_pci_driver;
186 static inline int stmmac_register_pci(void)
190 err = pci_register_driver(&stmmac_pci_driver);
192 pr_err("stmmac: failed to register the PCI driver\n");
196 static inline void stmmac_unregister_pci(void)
198 pci_unregister_driver(&stmmac_pci_driver);
201 static inline int stmmac_register_pci(void)
203 pr_debug("stmmac: do not register the PCI driver\n");
207 static inline void stmmac_unregister_pci(void)
210 #endif /* CONFIG_STMMAC_PCI */