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 #include <linux/reset.h>
36
37 struct stmmac_tx_info {
38 dma_addr_t buf;
39 bool map_as_page;
40 };
41
42 struct stmmac_priv {
43 /* Frequently used values are kept adjacent for cache effect */
44 struct dma_extended_desc *dma_etx ____cacheline_aligned_in_smp;
45 struct dma_desc *dma_tx;
46 struct sk_buff **tx_skbuff;
47 unsigned int cur_tx;
48 unsigned int dirty_tx;
49 unsigned int dma_tx_size;
50 u32 tx_count_frames;
51 u32 tx_coal_frames;
52 u32 tx_coal_timer;
53 struct stmmac_tx_info *tx_skbuff_dma;
54 dma_addr_t dma_tx_phy;
55 int tx_coalesce;
56 int hwts_tx_en;
57 spinlock_t tx_lock;
58 bool tx_path_in_lpi_mode;
59 struct timer_list txtimer;
60
61 struct dma_desc *dma_rx ____cacheline_aligned_in_smp;
62 struct dma_extended_desc *dma_erx;
63 struct sk_buff **rx_skbuff;
64 unsigned int cur_rx;
65 unsigned int dirty_rx;
66 unsigned int dma_rx_size;
67 unsigned int dma_buf_sz;
68 u32 rx_riwt;
69 int hwts_rx_en;
70 dma_addr_t *rx_skbuff_dma;
71 dma_addr_t dma_rx_phy;
72
73 struct napi_struct napi ____cacheline_aligned_in_smp;
74
75 void __iomem *ioaddr;
76 struct net_device *dev;
77 struct device *device;
78 struct mac_device_info *hw;
79 spinlock_t lock;
80
81 struct phy_device *phydev ____cacheline_aligned_in_smp;
82 int oldlink;
83 int speed;
84 int oldduplex;
85 unsigned int flow_ctrl;
86 unsigned int pause;
87 struct mii_bus *mii;
88 int mii_irq[PHY_MAX_ADDR];
89
90 struct stmmac_extra_stats xstats ____cacheline_aligned_in_smp;
91 struct plat_stmmacenet_data *plat;
92 struct dma_features dma_cap;
93 struct stmmac_counters mmc;
94 int hw_cap_support;
95 int synopsys_id;
96 u32 msg_enable;
97 int wolopts;
98 int wol_irq;
99 struct clk *stmmac_clk;
100 struct reset_control *stmmac_rst;
101 int clk_csr;
102 struct timer_list eee_ctrl_timer;
103 int lpi_irq;
104 int eee_enabled;
105 int eee_active;
106 int tx_lpi_timer;
107 int pcs;
108 unsigned int mode;
109 int extend_desc;
110 struct ptp_clock *ptp_clock;
111 struct ptp_clock_info ptp_clock_ops;
112 unsigned int default_addend;
113 struct clk *clk_ptp_ref;
114 unsigned int clk_ptp_rate;
115 u32 adv_ts;
116 int use_riwt;
117 int irq_wake;
118 spinlock_t ptp_lock;
119 };
120
121 int stmmac_mdio_unregister(struct net_device *ndev);
122 int stmmac_mdio_register(struct net_device *ndev);
123 int stmmac_mdio_reset(struct mii_bus *mii);
124 void stmmac_set_ethtool_ops(struct net_device *netdev);
125 extern const struct stmmac_desc_ops enh_desc_ops;
126 extern const struct stmmac_desc_ops ndesc_ops;
127 extern const struct stmmac_hwtimestamp stmmac_ptp;
128 int stmmac_ptp_register(struct stmmac_priv *priv);
129 void stmmac_ptp_unregister(struct stmmac_priv *priv);
130 int stmmac_resume(struct net_device *ndev);
131 int stmmac_suspend(struct net_device *ndev);
132 int stmmac_dvr_remove(struct net_device *ndev);
133 struct stmmac_priv *stmmac_dvr_probe(struct device *device,
134 struct plat_stmmacenet_data *plat_dat,
135 void __iomem *addr);
136 void stmmac_disable_eee_mode(struct stmmac_priv *priv);
137 bool stmmac_eee_init(struct stmmac_priv *priv);
138
139 #ifdef CONFIG_STMMAC_PLATFORM
140 #ifdef CONFIG_DWMAC_MESON
141 extern const struct stmmac_of_data meson6_dwmac_data;
142 #endif
143 #ifdef CONFIG_DWMAC_SUNXI
144 extern const struct stmmac_of_data sun7i_gmac_data;
145 #endif
146 #ifdef CONFIG_DWMAC_STI
147 extern const struct stmmac_of_data stih4xx_dwmac_data;
148 extern const struct stmmac_of_data stid127_dwmac_data;
149 #endif
150 #ifdef CONFIG_DWMAC_SOCFPGA
151 extern const struct stmmac_of_data socfpga_gmac_data;
152 #endif
153 extern struct platform_driver stmmac_pltfr_driver;
stmmac_register_platform(void)154 static inline int stmmac_register_platform(void)
155 {
156 int err;
157
158 err = platform_driver_register(&stmmac_pltfr_driver);
159 if (err)
160 pr_err("stmmac: failed to register the platform driver\n");
161
162 return err;
163 }
164
stmmac_unregister_platform(void)165 static inline void stmmac_unregister_platform(void)
166 {
167 platform_driver_unregister(&stmmac_pltfr_driver);
168 }
169 #else
stmmac_register_platform(void)170 static inline int stmmac_register_platform(void)
171 {
172 pr_debug("stmmac: do not register the platf driver\n");
173
174 return 0;
175 }
176
stmmac_unregister_platform(void)177 static inline void stmmac_unregister_platform(void)
178 {
179 }
180 #endif /* CONFIG_STMMAC_PLATFORM */
181
182 #ifdef CONFIG_STMMAC_PCI
183 extern struct pci_driver stmmac_pci_driver;
stmmac_register_pci(void)184 static inline int stmmac_register_pci(void)
185 {
186 int err;
187
188 err = pci_register_driver(&stmmac_pci_driver);
189 if (err)
190 pr_err("stmmac: failed to register the PCI driver\n");
191
192 return err;
193 }
194
stmmac_unregister_pci(void)195 static inline void stmmac_unregister_pci(void)
196 {
197 pci_unregister_driver(&stmmac_pci_driver);
198 }
199 #else
stmmac_register_pci(void)200 static inline int stmmac_register_pci(void)
201 {
202 pr_debug("stmmac: do not register the PCI driver\n");
203
204 return 0;
205 }
206
stmmac_unregister_pci(void)207 static inline void stmmac_unregister_pci(void)
208 {
209 }
210 #endif /* CONFIG_STMMAC_PCI */
211
212 #endif /* __STMMAC_H__ */
213