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stmmac.h
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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 <[email protected]>
21 *******************************************************************************/
22 
23 #ifndef __STMMAC_H__
24 #define __STMMAC_H__
25 
26 #define STMMAC_RESOURCE_NAME "stmmaceth"
27 #define DRV_MODULE_VERSION "March_2012"
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 #ifdef CONFIG_STMMAC_TIMER
35 #include "stmmac_timer.h"
36 #endif
37 
38 struct stmmac_priv {
39  /* Frequently used values are kept adjacent for cache effect */
40  struct dma_desc *dma_tx ____cacheline_aligned;
41  dma_addr_t dma_tx_phy;
42  struct sk_buff **tx_skbuff;
43  unsigned int cur_tx;
44  unsigned int dirty_tx;
45  unsigned int dma_tx_size;
46  int tx_coalesce;
47 
48  struct dma_desc *dma_rx ;
49  unsigned int cur_rx;
50  unsigned int dirty_rx;
51  struct sk_buff **rx_skbuff;
52  dma_addr_t *rx_skbuff_dma;
53 
54  struct net_device *dev;
55  dma_addr_t dma_rx_phy;
56  unsigned int dma_rx_size;
57  unsigned int dma_buf_sz;
58  struct device *device;
59  struct mac_device_info *hw;
60  void __iomem *ioaddr;
61 
62  struct stmmac_extra_stats xstats;
63  struct napi_struct napi;
64  int no_csum_insertion;
65 
66  struct phy_device *phydev;
67  int oldlink;
68  int speed;
69  int oldduplex;
70  unsigned int flow_ctrl;
71  unsigned int pause;
72  struct mii_bus *mii;
73  int mii_irq[PHY_MAX_ADDR];
74 
75  u32 msg_enable;
76  spinlock_t lock;
77  spinlock_t tx_lock;
78  int wolopts;
79  int wol_irq;
80 #ifdef CONFIG_STMMAC_TIMER
81  struct stmmac_timer *tm;
82 #endif
83  struct plat_stmmacenet_data *plat;
84  struct stmmac_counters mmc;
85  struct dma_features dma_cap;
86  int hw_cap_support;
87  struct clk *stmmac_clk;
88  int clk_csr;
89  int synopsys_id;
90  struct timer_list eee_ctrl_timer;
91  bool tx_path_in_lpi_mode;
92  int lpi_irq;
93  int eee_enabled;
94  int eee_active;
95  int tx_lpi_timer;
96 };
97 
98 extern int phyaddr;
99 
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,
112  void __iomem *addr);
113 void stmmac_disable_eee_mode(struct stmmac_priv *priv);
114 bool stmmac_eee_init(struct stmmac_priv *priv);
115 
116 #ifdef CONFIG_STMMAC_PLATFORM
117 extern struct platform_driver stmmac_pltfr_driver;
118 static inline int stmmac_register_platform(void)
119 {
120  int err;
121 
122  err = platform_driver_register(&stmmac_pltfr_driver);
123  if (err)
124  pr_err("stmmac: failed to register the platform driver\n");
125 
126  return err;
127 }
128 static inline void stmmac_unregister_platform(void)
129 {
130  platform_driver_register(&stmmac_pltfr_driver);
131 }
132 #else
133 static inline int stmmac_register_platform(void)
134 {
135  pr_debug("stmmac: do not register the platf driver\n");
136 
137  return -EINVAL;
138 }
139 static inline void stmmac_unregister_platform(void)
140 {
141 }
142 #endif /* CONFIG_STMMAC_PLATFORM */
143 
144 #ifdef CONFIG_STMMAC_PCI
145 extern struct pci_driver stmmac_pci_driver;
146 static inline int stmmac_register_pci(void)
147 {
148  int err;
149 
150  err = pci_register_driver(&stmmac_pci_driver);
151  if (err)
152  pr_err("stmmac: failed to register the PCI driver\n");
153 
154  return err;
155 }
156 static inline void stmmac_unregister_pci(void)
157 {
158  pci_unregister_driver(&stmmac_pci_driver);
159 }
160 #else
161 static inline int stmmac_register_pci(void)
162 {
163  pr_debug("stmmac: do not register the PCI driver\n");
164 
165  return -EINVAL;
166 }
167 static inline void stmmac_unregister_pci(void)
168 {
169 }
170 #endif /* CONFIG_STMMAC_PCI */
171 
172 #endif /* __STMMAC_H__ */
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