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Giuseppe Cavallaro47dd7a52009-10-14 15:13:45 -07001/*******************************************************************************
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
Giuseppe CAVALLARObfab27a2011-12-21 03:58:19 +000023#define STMMAC_RESOURCE_NAME "stmmaceth"
Giuseppe CAVALLARObd856612012-04-04 04:33:28 +000024#define DRV_MODULE_VERSION "March_2012"
Giuseppe CAVALLAROba1377ff2012-04-04 04:33:25 +000025
26#include <linux/clk.h>
Giuseppe CAVALLAROee7946a2010-01-06 23:07:14 +000027#include <linux/stmmac.h>
Giuseppe CAVALLARO286a8372011-10-18 00:01:24 +000028#include <linux/phy.h>
Giuseppe Cavallaro47dd7a52009-10-14 15:13:45 -070029#include "common.h"
30#ifdef CONFIG_STMMAC_TIMER
31#include "stmmac_timer.h"
32#endif
33
34struct stmmac_priv {
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;
39 unsigned int cur_tx;
40 unsigned int dirty_tx;
41 unsigned int dma_tx_size;
Giuseppe Cavallaro47dd7a52009-10-14 15:13:45 -070042 int tx_coalesce;
43
44 struct dma_desc *dma_rx ;
45 unsigned int cur_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;
50
51 struct net_device *dev;
Giuseppe Cavallaro47dd7a52009-10-14 15:13:45 -070052 dma_addr_t dma_rx_phy;
53 unsigned int dma_rx_size;
Giuseppe Cavallaro47dd7a52009-10-14 15:13:45 -070054 unsigned int dma_buf_sz;
55 struct device *device;
Giuseppe CAVALLAROdb98a0b2010-01-06 23:07:17 +000056 struct mac_device_info *hw;
Giuseppe CAVALLAROad01b7d2010-08-23 20:40:42 +000057 void __iomem *ioaddr;
Giuseppe Cavallaro47dd7a52009-10-14 15:13:45 -070058
59 struct stmmac_extra_stats xstats;
60 struct napi_struct napi;
Giuseppe CAVALLARO9dfeb4d2010-11-24 02:37:58 +000061 int no_csum_insertion;
Giuseppe Cavallaro47dd7a52009-10-14 15:13:45 -070062
Giuseppe Cavallaro47dd7a52009-10-14 15:13:45 -070063 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;
Giuseppe CAVALLARO36bcfe72011-07-20 00:05:23 +000070 int mii_irq[PHY_MAX_ADDR];
Giuseppe Cavallaro47dd7a52009-10-14 15:13:45 -070071
72 u32 msg_enable;
73 spinlock_t lock;
Giuseppe CAVALLAROa9097a92011-10-18 00:01:19 +000074 spinlock_t tx_lock;
Giuseppe Cavallaro47dd7a52009-10-14 15:13:45 -070075 int wolopts;
Deepak Sikri3172d3a2011-09-01 21:51:37 +000076 int wol_irq;
Giuseppe Cavallaro47dd7a52009-10-14 15:13:45 -070077#ifdef CONFIG_STMMAC_TIMER
78 struct stmmac_timer *tm;
79#endif
Giuseppe CAVALLARO9dfeb4d2010-11-24 02:37:58 +000080 struct plat_stmmacenet_data *plat;
Giuseppe CAVALLARO1c901a42011-09-01 21:51:38 +000081 struct stmmac_counters mmc;
Giuseppe CAVALLAROe7434822011-09-01 21:51:41 +000082 struct dma_features dma_cap;
Giuseppe CAVALLARO19e30c12011-11-16 21:58:00 +000083 int hw_cap_support;
Giuseppe CAVALLAROba1377ff2012-04-04 04:33:25 +000084#ifdef CONFIG_HAVE_CLK
85 struct clk *stmmac_clk;
86#endif
Giuseppe CAVALLAROcd7201f2012-04-04 04:33:27 +000087 int clk_csr;
Giuseppe CAVALLAROcffb13f2012-05-13 22:18:41 +000088 int synopsys_id;
Giuseppe Cavallaro47dd7a52009-10-14 15:13:45 -070089};
90
Giuseppe CAVALLARObfab27a2011-12-21 03:58:19 +000091extern int phyaddr;
92
Giuseppe Cavallaro47dd7a52009-10-14 15:13:45 -070093extern int stmmac_mdio_unregister(struct net_device *ndev);
94extern int stmmac_mdio_register(struct net_device *ndev);
95extern void stmmac_set_ethtool_ops(struct net_device *netdev);
stephen hemmingercadb7922010-10-13 14:51:25 +000096extern const struct stmmac_desc_ops enh_desc_ops;
97extern const struct stmmac_desc_ops ndesc_ops;
Giuseppe CAVALLARObfab27a2011-12-21 03:58:19 +000098
99int stmmac_freeze(struct net_device *ndev);
100int stmmac_restore(struct net_device *ndev);
101int stmmac_resume(struct net_device *ndev);
102int stmmac_suspend(struct net_device *ndev);
103int stmmac_dvr_remove(struct net_device *ndev);
104struct stmmac_priv *stmmac_dvr_probe(struct device *device,
Giuseppe CAVALLAROcf3f0472012-02-15 00:10:39 +0000105 struct plat_stmmacenet_data *plat_dat,
106 void __iomem *addr);
Giuseppe CAVALLAROba1377ff2012-04-04 04:33:25 +0000107
108#ifdef CONFIG_HAVE_CLK
109static inline int stmmac_clk_enable(struct stmmac_priv *priv)
110{
Giuseppe CAVALLARO31ea38e2012-04-18 19:48:22 +0000111 if (!IS_ERR(priv->stmmac_clk))
Giuseppe CAVALLAROba1377ff2012-04-04 04:33:25 +0000112 return clk_enable(priv->stmmac_clk);
113
114 return 0;
115}
116
117static inline void stmmac_clk_disable(struct stmmac_priv *priv)
118{
Giuseppe CAVALLARO31ea38e2012-04-18 19:48:22 +0000119 if (IS_ERR(priv->stmmac_clk))
120 return;
121
122 clk_disable(priv->stmmac_clk);
Giuseppe CAVALLAROba1377ff2012-04-04 04:33:25 +0000123}
124static inline int stmmac_clk_get(struct stmmac_priv *priv)
125{
126 priv->stmmac_clk = clk_get(priv->device, NULL);
127
Giuseppe CAVALLARO31ea38e2012-04-18 19:48:22 +0000128 if (IS_ERR(priv->stmmac_clk))
Giuseppe CAVALLAROba1377ff2012-04-04 04:33:25 +0000129 return PTR_ERR(priv->stmmac_clk);
Giuseppe CAVALLARO31ea38e2012-04-18 19:48:22 +0000130
Giuseppe CAVALLAROba1377ff2012-04-04 04:33:25 +0000131 return 0;
132}
133#else
134static inline int stmmac_clk_enable(struct stmmac_priv *priv)
135{
136 return 0;
137}
138static inline void stmmac_clk_disable(struct stmmac_priv *priv)
139{
140}
141static inline int stmmac_clk_get(struct stmmac_priv *priv)
142{
143 return 0;
144}
145#endif /* CONFIG_HAVE_CLK */