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>
30 #ifdef CONFIG_STMMAC_TIMER
31 #include "stmmac_timer.h"
35 /* Frequently used values are kept adjacent for cache effect */
36 struct dma_desc *dma_tx ____cacheline_aligned;
37 dma_addr_t dma_tx_phy;
38 struct sk_buff **tx_skbuff;
40 unsigned int dirty_tx;
41 unsigned int dma_tx_size;
44 struct dma_desc *dma_rx ;
46 unsigned int dirty_rx;
47 struct sk_buff **rx_skbuff;
48 dma_addr_t *rx_skbuff_dma;
49 struct sk_buff_head rx_recycle;
51 struct net_device *dev;
52 dma_addr_t dma_rx_phy;
53 unsigned int dma_rx_size;
54 unsigned int dma_buf_sz;
55 struct device *device;
56 struct mac_device_info *hw;
59 struct stmmac_extra_stats xstats;
60 struct napi_struct napi;
61 int no_csum_insertion;
63 struct phy_device *phydev;
67 unsigned int flow_ctrl;
70 int mii_irq[PHY_MAX_ADDR];
77 #ifdef CONFIG_STMMAC_TIMER
78 struct stmmac_timer *tm;
80 struct plat_stmmacenet_data *plat;
81 struct stmmac_counters mmc;
82 struct dma_features dma_cap;
84 #ifdef CONFIG_HAVE_CLK
85 struct clk *stmmac_clk;
92 extern int stmmac_mdio_unregister(struct net_device *ndev);
93 extern int stmmac_mdio_register(struct net_device *ndev);
94 extern void stmmac_set_ethtool_ops(struct net_device *netdev);
95 extern const struct stmmac_desc_ops enh_desc_ops;
96 extern const struct stmmac_desc_ops ndesc_ops;
98 int stmmac_freeze(struct net_device *ndev);
99 int stmmac_restore(struct net_device *ndev);
100 int stmmac_resume(struct net_device *ndev);
101 int stmmac_suspend(struct net_device *ndev);
102 int stmmac_dvr_remove(struct net_device *ndev);
103 struct stmmac_priv *stmmac_dvr_probe(struct device *device,
104 struct plat_stmmacenet_data *plat_dat,
107 #ifdef CONFIG_HAVE_CLK
108 static inline int stmmac_clk_enable(struct stmmac_priv *priv)
110 if (priv->stmmac_clk)
111 return clk_enable(priv->stmmac_clk);
116 static inline void stmmac_clk_disable(struct stmmac_priv *priv)
118 if (priv->stmmac_clk)
119 clk_disable(priv->stmmac_clk);
121 static inline int stmmac_clk_get(struct stmmac_priv *priv)
123 priv->stmmac_clk = clk_get(priv->device, NULL);
125 if (IS_ERR(priv->stmmac_clk)) {
126 pr_err("%s: ERROR clk_get failed\n", __func__);
127 return PTR_ERR(priv->stmmac_clk);
132 static inline int stmmac_clk_enable(struct stmmac_priv *priv)
136 static inline void stmmac_clk_disable(struct stmmac_priv *priv)
139 static inline int stmmac_clk_get(struct stmmac_priv *priv)
143 #endif /* CONFIG_HAVE_CLK */