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 <peppe.cavallaro@st.com>
21 *******************************************************************************/
22 
23 #ifndef __STMMAC_H__
24 #define __STMMAC_H__
25 
26 #define STMMAC_RESOURCE_NAME   "stmmaceth"
27 #define DRV_MODULE_VERSION	"Nov_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 
35 struct stmmac_priv {
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;
40 	unsigned int cur_tx;
41 	unsigned int dirty_tx;
42 	unsigned int dma_tx_size;
43 	int tx_coalesce;
44 
45 	struct dma_desc *dma_rx ;
46 	unsigned int cur_rx;
47 	unsigned int dirty_rx;
48 	struct sk_buff **rx_skbuff;
49 	dma_addr_t *rx_skbuff_dma;
50 
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;
57 	void __iomem *ioaddr;
58 
59 	struct stmmac_extra_stats xstats;
60 	struct napi_struct napi;
61 	int no_csum_insertion;
62 
63 	struct phy_device *phydev;
64 	int oldlink;
65 	int speed;
66 	int oldduplex;
67 	unsigned int flow_ctrl;
68 	unsigned int pause;
69 	struct mii_bus *mii;
70 	int mii_irq[PHY_MAX_ADDR];
71 
72 	u32 msg_enable;
73 	spinlock_t lock;
74 	spinlock_t tx_lock;
75 	int wolopts;
76 	int wol_irq;
77 	struct plat_stmmacenet_data *plat;
78 	struct stmmac_counters mmc;
79 	struct dma_features dma_cap;
80 	int hw_cap_support;
81 	struct clk *stmmac_clk;
82 	int clk_csr;
83 	int synopsys_id;
84 	struct timer_list eee_ctrl_timer;
85 	bool tx_path_in_lpi_mode;
86 	int lpi_irq;
87 	int eee_enabled;
88 	int eee_active;
89 	int tx_lpi_timer;
90 	struct timer_list txtimer;
91 	u32 tx_count_frames;
92 	u32 tx_coal_frames;
93 	u32 tx_coal_timer;
94 	int use_riwt;
95 	u32 rx_riwt;
96 	unsigned int mode;
97 };
98 
99 extern int phyaddr;
100 
101 extern int stmmac_mdio_unregister(struct net_device *ndev);
102 extern int stmmac_mdio_register(struct net_device *ndev);
103 extern void stmmac_set_ethtool_ops(struct net_device *netdev);
104 extern const struct stmmac_desc_ops enh_desc_ops;
105 extern const struct stmmac_desc_ops ndesc_ops;
106 int stmmac_freeze(struct net_device *ndev);
107 int stmmac_restore(struct net_device *ndev);
108 int stmmac_resume(struct net_device *ndev);
109 int stmmac_suspend(struct net_device *ndev);
110 int stmmac_dvr_remove(struct net_device *ndev);
111 struct stmmac_priv *stmmac_dvr_probe(struct device *device,
112 				     struct plat_stmmacenet_data *plat_dat,
113 				     void __iomem *addr);
114 void stmmac_disable_eee_mode(struct stmmac_priv *priv);
115 bool stmmac_eee_init(struct stmmac_priv *priv);
116 
117 #ifdef CONFIG_STMMAC_PLATFORM
118 extern struct platform_driver stmmac_pltfr_driver;
119 static inline int stmmac_register_platform(void)
120 {
121 	int err;
122 
123 	err = platform_driver_register(&stmmac_pltfr_driver);
124 	if (err)
125 		pr_err("stmmac: failed to register the platform driver\n");
126 
127 	return err;
128 }
129 static inline void stmmac_unregister_platform(void)
130 {
131 	platform_driver_unregister(&stmmac_pltfr_driver);
132 }
133 #else
134 static inline int stmmac_register_platform(void)
135 {
136 	pr_debug("stmmac: do not register the platf driver\n");
137 
138 	return 0;
139 }
140 static inline void stmmac_unregister_platform(void)
141 {
142 }
143 #endif /* CONFIG_STMMAC_PLATFORM */
144 
145 #ifdef CONFIG_STMMAC_PCI
146 extern struct pci_driver stmmac_pci_driver;
147 static inline int stmmac_register_pci(void)
148 {
149 	int err;
150 
151 	err = pci_register_driver(&stmmac_pci_driver);
152 	if (err)
153 		pr_err("stmmac: failed to register the PCI driver\n");
154 
155 	return err;
156 }
157 static inline void stmmac_unregister_pci(void)
158 {
159 	pci_unregister_driver(&stmmac_pci_driver);
160 }
161 #else
162 static inline int stmmac_register_pci(void)
163 {
164 	pr_debug("stmmac: do not register the PCI driver\n");
165 
166 	return 0;
167 }
168 static inline void stmmac_unregister_pci(void)
169 {
170 }
171 #endif /* CONFIG_STMMAC_PCI */
172 
173 #endif /* __STMMAC_H__ */
174