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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
Rayagond Kokatanurbd4242d2012-08-22 21:28:18 +000023#ifndef __STMMAC_H__
24#define __STMMAC_H__
25
Giuseppe CAVALLARObfab27a2011-12-21 03:58:19 +000026#define STMMAC_RESOURCE_NAME "stmmaceth"
Giuseppe CAVALLARO94fbbbf2013-03-26 04:43:12 +000027#define DRV_MODULE_VERSION "March_2013"
Giuseppe CAVALLAROba1377ff2012-04-04 04:33:25 +000028
29#include <linux/clk.h>
Giuseppe CAVALLAROee7946a2010-01-06 23:07:14 +000030#include <linux/stmmac.h>
Giuseppe CAVALLARO286a8372011-10-18 00:01:24 +000031#include <linux/phy.h>
Giuseppe CAVALLARO33d5e332012-06-07 19:25:07 +000032#include <linux/pci.h>
Giuseppe Cavallaro47dd7a52009-10-14 15:13:45 -070033#include "common.h"
Rayagond Kokatanur92ba6882013-03-26 04:43:11 +000034#include <linux/ptp_clock_kernel.h>
Chen-Yu Tsaic5e4ddb2014-01-17 21:24:41 +080035#include <linux/reset.h>
Giuseppe Cavallaro47dd7a52009-10-14 15:13:45 -070036
37struct stmmac_priv {
38 /* Frequently used values are kept adjacent for cache effect */
Giuseppe CAVALLARO1bb6dea2013-04-08 02:10:02 +000039 struct dma_extended_desc *dma_etx ____cacheline_aligned_in_smp;
40 struct dma_desc *dma_tx;
Giuseppe Cavallaro47dd7a52009-10-14 15:13:45 -070041 struct sk_buff **tx_skbuff;
42 unsigned int cur_tx;
43 unsigned int dirty_tx;
44 unsigned int dma_tx_size;
Giuseppe CAVALLARO1bb6dea2013-04-08 02:10:02 +000045 u32 tx_count_frames;
46 u32 tx_coal_frames;
47 u32 tx_coal_timer;
48 dma_addr_t *tx_skbuff_dma;
49 dma_addr_t dma_tx_phy;
Giuseppe Cavallaro47dd7a52009-10-14 15:13:45 -070050 int tx_coalesce;
Giuseppe CAVALLARO1bb6dea2013-04-08 02:10:02 +000051 int hwts_tx_en;
52 spinlock_t tx_lock;
53 bool tx_path_in_lpi_mode;
54 struct timer_list txtimer;
Giuseppe Cavallaro47dd7a52009-10-14 15:13:45 -070055
Giuseppe CAVALLARO1bb6dea2013-04-08 02:10:02 +000056 struct dma_desc *dma_rx ____cacheline_aligned_in_smp;
57 struct dma_extended_desc *dma_erx;
58 struct sk_buff **rx_skbuff;
Giuseppe Cavallaro47dd7a52009-10-14 15:13:45 -070059 unsigned int cur_rx;
60 unsigned int dirty_rx;
Giuseppe Cavallaro47dd7a52009-10-14 15:13:45 -070061 unsigned int dma_rx_size;
Giuseppe Cavallaro47dd7a52009-10-14 15:13:45 -070062 unsigned int dma_buf_sz;
Giuseppe CAVALLARO1bb6dea2013-04-08 02:10:02 +000063 u32 rx_riwt;
64 int hwts_rx_en;
65 dma_addr_t *rx_skbuff_dma;
66 dma_addr_t dma_rx_phy;
67
68 struct napi_struct napi ____cacheline_aligned_in_smp;
69
70 void __iomem *ioaddr;
71 struct net_device *dev;
Giuseppe Cavallaro47dd7a52009-10-14 15:13:45 -070072 struct device *device;
Giuseppe CAVALLAROdb98a0b2010-01-06 23:07:17 +000073 struct mac_device_info *hw;
Giuseppe CAVALLARO1bb6dea2013-04-08 02:10:02 +000074 spinlock_t lock;
Giuseppe Cavallaro47dd7a52009-10-14 15:13:45 -070075
Giuseppe CAVALLARO1bb6dea2013-04-08 02:10:02 +000076 struct phy_device *phydev ____cacheline_aligned_in_smp;
Giuseppe Cavallaro47dd7a52009-10-14 15:13:45 -070077 int oldlink;
78 int speed;
79 int oldduplex;
80 unsigned int flow_ctrl;
81 unsigned int pause;
82 struct mii_bus *mii;
Giuseppe CAVALLARO36bcfe72011-07-20 00:05:23 +000083 int mii_irq[PHY_MAX_ADDR];
Giuseppe Cavallaro47dd7a52009-10-14 15:13:45 -070084
Giuseppe CAVALLARO1bb6dea2013-04-08 02:10:02 +000085 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;
Giuseppe Cavallaro47dd7a52009-10-14 15:13:45 -070091 u32 msg_enable;
Giuseppe Cavallaro47dd7a52009-10-14 15:13:45 -070092 int wolopts;
Deepak Sikri3172d3a2011-09-01 21:51:37 +000093 int wol_irq;
Giuseppe CAVALLAROba1377ff2012-04-04 04:33:25 +000094 struct clk *stmmac_clk;
Chen-Yu Tsaic5e4ddb2014-01-17 21:24:41 +080095 struct reset_control *stmmac_rst;
Giuseppe CAVALLAROcd7201f2012-04-04 04:33:27 +000096 int clk_csr;
Giuseppe CAVALLAROd7659552012-06-27 21:14:37 +000097 struct timer_list eee_ctrl_timer;
Giuseppe CAVALLAROd7659552012-06-27 21:14:37 +000098 int lpi_irq;
99 int eee_enabled;
100 int eee_active;
101 int tx_lpi_timer;
Giuseppe CAVALLARO1bb6dea2013-04-08 02:10:02 +0000102 int pcs;
Giuseppe CAVALLARO4a7d6662013-03-26 04:43:05 +0000103 unsigned int mode;
Giuseppe CAVALLAROc24602e2013-03-26 04:43:06 +0000104 int extend_desc;
Rayagond Kokatanur92ba6882013-03-26 04:43:11 +0000105 struct ptp_clock *ptp_clock;
106 struct ptp_clock_info ptp_clock_ops;
Giuseppe CAVALLARO1bb6dea2013-04-08 02:10:02 +0000107 unsigned int default_addend;
108 u32 adv_ts;
109 int use_riwt;
Srinivas Kandagatla89f7f2c2014-01-16 10:53:00 +0000110 int irq_wake;
Rayagond Kokatanur92ba6882013-03-26 04:43:11 +0000111 spinlock_t ptp_lock;
Giuseppe Cavallaro47dd7a52009-10-14 15:13:45 -0700112};
113
Joe Perchesd6cc64e2013-09-23 11:37:59 -0700114int stmmac_mdio_unregister(struct net_device *ndev);
115int stmmac_mdio_register(struct net_device *ndev);
Srinivas Kandagatla073752a2014-01-16 10:52:27 +0000116int stmmac_mdio_reset(struct mii_bus *mii);
Joe Perchesd6cc64e2013-09-23 11:37:59 -0700117void stmmac_set_ethtool_ops(struct net_device *netdev);
stephen hemmingercadb7922010-10-13 14:51:25 +0000118extern const struct stmmac_desc_ops enh_desc_ops;
119extern const struct stmmac_desc_ops ndesc_ops;
Rayagond Kokatanur891434b2013-03-26 04:43:10 +0000120extern const struct stmmac_hwtimestamp stmmac_ptp;
Joe Perchesd6cc64e2013-09-23 11:37:59 -0700121int stmmac_ptp_register(struct stmmac_priv *priv);
122void stmmac_ptp_unregister(struct stmmac_priv *priv);
Giuseppe CAVALLARObfab27a2011-12-21 03:58:19 +0000123int stmmac_resume(struct net_device *ndev);
124int stmmac_suspend(struct net_device *ndev);
125int stmmac_dvr_remove(struct net_device *ndev);
126struct stmmac_priv *stmmac_dvr_probe(struct device *device,
Giuseppe CAVALLAROcf3f0472012-02-15 00:10:39 +0000127 struct plat_stmmacenet_data *plat_dat,
128 void __iomem *addr);
Giuseppe CAVALLAROd7659552012-06-27 21:14:37 +0000129void stmmac_disable_eee_mode(struct stmmac_priv *priv);
130bool stmmac_eee_init(struct stmmac_priv *priv);
Giuseppe CAVALLAROba1377ff2012-04-04 04:33:25 +0000131
Giuseppe CAVALLARO33d5e332012-06-07 19:25:07 +0000132#ifdef CONFIG_STMMAC_PLATFORM
Chen-Yu Tsaiaf0bd4e2014-01-17 21:24:47 +0800133#ifdef CONFIG_DWMAC_SUNXI
134extern const struct stmmac_of_data sun7i_gmac_data;
135#endif
Giuseppe CAVALLARO33d5e332012-06-07 19:25:07 +0000136extern struct platform_driver stmmac_pltfr_driver;
137static inline int stmmac_register_platform(void)
138{
139 int err;
140
141 err = platform_driver_register(&stmmac_pltfr_driver);
142 if (err)
143 pr_err("stmmac: failed to register the platform driver\n");
144
145 return err;
146}
Giuseppe CAVALLAROceb694992013-04-08 02:10:01 +0000147
Giuseppe CAVALLARO33d5e332012-06-07 19:25:07 +0000148static inline void stmmac_unregister_platform(void)
149{
Konstantin Khlebnikov493682b2012-12-14 01:02:51 +0000150 platform_driver_unregister(&stmmac_pltfr_driver);
Giuseppe CAVALLARO33d5e332012-06-07 19:25:07 +0000151}
152#else
153static inline int stmmac_register_platform(void)
154{
155 pr_debug("stmmac: do not register the platf driver\n");
156
Konstantin Khlebnikov493682b2012-12-14 01:02:51 +0000157 return 0;
Giuseppe CAVALLARO33d5e332012-06-07 19:25:07 +0000158}
Giuseppe CAVALLAROceb694992013-04-08 02:10:01 +0000159
Giuseppe CAVALLARO33d5e332012-06-07 19:25:07 +0000160static inline void stmmac_unregister_platform(void)
161{
162}
163#endif /* CONFIG_STMMAC_PLATFORM */
164
165#ifdef CONFIG_STMMAC_PCI
166extern struct pci_driver stmmac_pci_driver;
167static inline int stmmac_register_pci(void)
168{
169 int err;
170
171 err = pci_register_driver(&stmmac_pci_driver);
172 if (err)
173 pr_err("stmmac: failed to register the PCI driver\n");
174
175 return err;
176}
Giuseppe CAVALLAROceb694992013-04-08 02:10:01 +0000177
Giuseppe CAVALLARO33d5e332012-06-07 19:25:07 +0000178static inline void stmmac_unregister_pci(void)
179{
180 pci_unregister_driver(&stmmac_pci_driver);
181}
182#else
183static inline int stmmac_register_pci(void)
184{
185 pr_debug("stmmac: do not register the PCI driver\n");
186
Konstantin Khlebnikov493682b2012-12-14 01:02:51 +0000187 return 0;
Giuseppe CAVALLARO33d5e332012-06-07 19:25:07 +0000188}
Giuseppe CAVALLAROceb694992013-04-08 02:10:01 +0000189
Giuseppe CAVALLARO33d5e332012-06-07 19:25:07 +0000190static inline void stmmac_unregister_pci(void)
191{
192}
193#endif /* CONFIG_STMMAC_PCI */
Rayagond Kokatanurbd4242d2012-08-22 21:28:18 +0000194
195#endif /* __STMMAC_H__ */