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 "March_2013"
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 #include <linux/ptp_clock_kernel.h>
35
36 struct stmmac_priv {
37 /* Frequently used values are kept adjacent for cache effect */
38 struct dma_extended_desc *dma_etx ____cacheline_aligned_in_smp;
39 struct dma_desc *dma_tx;
40 struct sk_buff **tx_skbuff;
41 unsigned int cur_tx;
42 unsigned int dirty_tx;
43 unsigned int dma_tx_size;
44 u32 tx_count_frames;
45 u32 tx_coal_frames;
46 u32 tx_coal_timer;
47 dma_addr_t *tx_skbuff_dma;
48 dma_addr_t dma_tx_phy;
49 int tx_coalesce;
50 int hwts_tx_en;
51 spinlock_t tx_lock;
52 bool tx_path_in_lpi_mode;
53 struct timer_list txtimer;
54
55 struct dma_desc *dma_rx ____cacheline_aligned_in_smp;
56 struct dma_extended_desc *dma_erx;
57 struct sk_buff **rx_skbuff;
58 unsigned int cur_rx;
59 unsigned int dirty_rx;
60 unsigned int dma_rx_size;
61 unsigned int dma_buf_sz;
62 u32 rx_riwt;
63 int hwts_rx_en;
64 dma_addr_t *rx_skbuff_dma;
65 dma_addr_t dma_rx_phy;
66
67 struct napi_struct napi ____cacheline_aligned_in_smp;
68
69 void __iomem *ioaddr;
70 struct net_device *dev;
71 struct device *device;
72 struct mac_device_info *hw;
73 int no_csum_insertion;
74 spinlock_t lock;
75
76 struct phy_device *phydev ____cacheline_aligned_in_smp;
77 int oldlink;
78 int speed;
79 int oldduplex;
80 unsigned int flow_ctrl;
81 unsigned int pause;
82 struct mii_bus *mii;
83 int mii_irq[PHY_MAX_ADDR];
84
85 struct stmmac_extra_stats xstats ____cacheline_aligned_in_smp;
86 struct plat_stmmacenet_data *plat;
87 struct dma_features dma_cap;
88 struct stmmac_counters mmc;
89 int hw_cap_support;
90 int synopsys_id;
91 u32 msg_enable;
92 int wolopts;
93 int wol_irq;
94 struct clk *stmmac_clk;
95 int clk_csr;
96 struct timer_list eee_ctrl_timer;
97 int lpi_irq;
98 int eee_enabled;
99 int eee_active;
100 int tx_lpi_timer;
101 int pcs;
102 unsigned int mode;
103 int extend_desc;
104 struct ptp_clock *ptp_clock;
105 struct ptp_clock_info ptp_clock_ops;
106 unsigned int default_addend;
107 u32 adv_ts;
108 int use_riwt;
109 spinlock_t ptp_lock;
110 };
111
112 extern int phyaddr;
113
114 extern int stmmac_mdio_unregister(struct net_device *ndev);
115 extern int stmmac_mdio_register(struct net_device *ndev);
116 extern void stmmac_set_ethtool_ops(struct net_device *netdev);
117 extern const struct stmmac_desc_ops enh_desc_ops;
118 extern const struct stmmac_desc_ops ndesc_ops;
119 extern const struct stmmac_hwtimestamp stmmac_ptp;
120 extern int stmmac_ptp_register(struct stmmac_priv *priv);
121 extern void stmmac_ptp_unregister(struct stmmac_priv *priv);
122 int stmmac_freeze(struct net_device *ndev);
123 int stmmac_restore(struct net_device *ndev);
124 int stmmac_resume(struct net_device *ndev);
125 int stmmac_suspend(struct net_device *ndev);
126 int stmmac_dvr_remove(struct net_device *ndev);
127 struct stmmac_priv *stmmac_dvr_probe(struct device *device,
128 struct plat_stmmacenet_data *plat_dat,
129 void __iomem *addr);
130 void stmmac_disable_eee_mode(struct stmmac_priv *priv);
131 bool stmmac_eee_init(struct stmmac_priv *priv);
132
133 #ifdef CONFIG_STMMAC_PLATFORM
134 extern struct platform_driver stmmac_pltfr_driver;
stmmac_register_platform(void)135 static inline int stmmac_register_platform(void)
136 {
137 int err;
138
139 err = platform_driver_register(&stmmac_pltfr_driver);
140 if (err)
141 pr_err("stmmac: failed to register the platform driver\n");
142
143 return err;
144 }
145
stmmac_unregister_platform(void)146 static inline void stmmac_unregister_platform(void)
147 {
148 platform_driver_unregister(&stmmac_pltfr_driver);
149 }
150 #else
stmmac_register_platform(void)151 static inline int stmmac_register_platform(void)
152 {
153 pr_debug("stmmac: do not register the platf driver\n");
154
155 return 0;
156 }
157
stmmac_unregister_platform(void)158 static inline void stmmac_unregister_platform(void)
159 {
160 }
161 #endif /* CONFIG_STMMAC_PLATFORM */
162
163 #ifdef CONFIG_STMMAC_PCI
164 extern struct pci_driver stmmac_pci_driver;
stmmac_register_pci(void)165 static inline int stmmac_register_pci(void)
166 {
167 int err;
168
169 err = pci_register_driver(&stmmac_pci_driver);
170 if (err)
171 pr_err("stmmac: failed to register the PCI driver\n");
172
173 return err;
174 }
175
stmmac_unregister_pci(void)176 static inline void stmmac_unregister_pci(void)
177 {
178 pci_unregister_driver(&stmmac_pci_driver);
179 }
180 #else
stmmac_register_pci(void)181 static inline int stmmac_register_pci(void)
182 {
183 pr_debug("stmmac: do not register the PCI driver\n");
184
185 return 0;
186 }
187
stmmac_unregister_pci(void)188 static inline void stmmac_unregister_pci(void)
189 {
190 }
191 #endif /* CONFIG_STMMAC_PCI */
192
193 #endif /* __STMMAC_H__ */
194